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authorSreekanth Reddy <sreekanth.reddy@avagotech.com>2015-11-11 07:00:21 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-11 18:27:24 -0500
commit09ec55ed74ebb8a61859609011d28ab0bcb15e08 (patch)
treeb5878777ace8a6b5a57ed8fb47412d70dbca2bc0
parent78f97c8f612d0e7d7d08d741549e89e8c951920a (diff)
mpt2sas: Remove .c and .h files from mpt2sas driver
Remove .c and .h files which are no longer needed from mpt2sas driver. We are reusing this code from mpt3sas. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c4899
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.h1235
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_config.c1527
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.c3101
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.h419
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_debug.h182
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_scsih.c8855
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_transport.c2173
8 files changed, 0 insertions, 22391 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
deleted file mode 100644
index c167911221e9..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ /dev/null
@@ -1,4899 +0,0 @@
1/*
2 * This is the Fusion MPT base driver providing common API layer interface
3 * for access to MPT (Message Passing Technology) firmware.
4 *
5 * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
6 * Copyright (C) 2007-2014 LSI Corporation
7 * Copyright (C) 20013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * NO WARRANTY
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
30
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
43 * USA.
44 */
45
46#include <linux/kernel.h>
47#include <linux/module.h>
48#include <linux/errno.h>
49#include <linux/init.h>
50#include <linux/slab.h>
51#include <linux/types.h>
52#include <linux/pci.h>
53#include <linux/kdev_t.h>
54#include <linux/blkdev.h>
55#include <linux/delay.h>
56#include <linux/interrupt.h>
57#include <linux/dma-mapping.h>
58#include <linux/sort.h>
59#include <linux/io.h>
60#include <linux/time.h>
61#include <linux/kthread.h>
62#include <linux/aer.h>
63
64#include "mpt2sas_base.h"
65
66static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS];
67
68#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
69
70#define MAX_HBA_QUEUE_DEPTH 30000
71#define MAX_CHAIN_DEPTH 100000
72static int max_queue_depth = -1;
73module_param(max_queue_depth, int, 0);
74MODULE_PARM_DESC(max_queue_depth, " max controller queue depth ");
75
76static int max_sgl_entries = -1;
77module_param(max_sgl_entries, int, 0);
78MODULE_PARM_DESC(max_sgl_entries, " max sg entries ");
79
80static int msix_disable = -1;
81module_param(msix_disable, int, 0);
82MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
83
84static int max_msix_vectors = -1;
85module_param(max_msix_vectors, int, 0);
86MODULE_PARM_DESC(max_msix_vectors, " max msix vectors ");
87
88static int mpt2sas_fwfault_debug;
89MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
90 "and halt firmware - (default=0)");
91
92static int disable_discovery = -1;
93module_param(disable_discovery, int, 0);
94MODULE_PARM_DESC(disable_discovery, " disable discovery ");
95
96static int
97_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag);
98
99static int
100_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag);
101
102/**
103 * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
104 *
105 */
106static int
107_scsih_set_fwfault_debug(const char *val, struct kernel_param *kp)
108{
109 int ret = param_set_int(val, kp);
110 struct MPT2SAS_ADAPTER *ioc;
111
112 if (ret)
113 return ret;
114
115 /* global ioc spinlock to protect controller list on list operations */
116 printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug);
117 spin_lock(&gioc_lock);
118 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
119 ioc->fwfault_debug = mpt2sas_fwfault_debug;
120 spin_unlock(&gioc_lock);
121 return 0;
122}
123
124module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug,
125 param_get_int, &mpt2sas_fwfault_debug, 0644);
126
127/**
128 * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc
129 * @arg: input argument, used to derive ioc
130 *
131 * Return 0 if controller is removed from pci subsystem.
132 * Return -1 for other case.
133 */
134static int mpt2sas_remove_dead_ioc_func(void *arg)
135{
136 struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg;
137 struct pci_dev *pdev;
138
139 if ((ioc == NULL))
140 return -1;
141
142 pdev = ioc->pdev;
143 if ((pdev == NULL))
144 return -1;
145 pci_stop_and_remove_bus_device_locked(pdev);
146 return 0;
147}
148
149
150/**
151 * _base_fault_reset_work - workq handling ioc fault conditions
152 * @work: input argument, used to derive ioc
153 * Context: sleep.
154 *
155 * Return nothing.
156 */
157static void
158_base_fault_reset_work(struct work_struct *work)
159{
160 struct MPT2SAS_ADAPTER *ioc =
161 container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work);
162 unsigned long flags;
163 u32 doorbell;
164 int rc;
165 struct task_struct *p;
166
167 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
168 if (ioc->shost_recovery || ioc->pci_error_recovery)
169 goto rearm_timer;
170 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
171
172 doorbell = mpt2sas_base_get_iocstate(ioc, 0);
173 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) {
174 printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n",
175 ioc->name, __func__);
176
177 /* It may be possible that EEH recovery can resolve some of
178 * pci bus failure issues rather removing the dead ioc function
179 * by considering controller is in a non-operational state. So
180 * here priority is given to the EEH recovery. If it doesn't
181 * not resolve this issue, mpt2sas driver will consider this
182 * controller to non-operational state and remove the dead ioc
183 * function.
184 */
185 if (ioc->non_operational_loop++ < 5) {
186 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock,
187 flags);
188 goto rearm_timer;
189 }
190
191 /*
192 * Call _scsih_flush_pending_cmds callback so that we flush all
193 * pending commands back to OS. This call is required to aovid
194 * deadlock at block layer. Dead IOC will fail to do diag reset,
195 * and this call is safe since dead ioc will never return any
196 * command back from HW.
197 */
198 ioc->schedule_dead_ioc_flush_running_cmds(ioc);
199 /*
200 * Set remove_host flag early since kernel thread will
201 * take some time to execute.
202 */
203 ioc->remove_host = 1;
204 /*Remove the Dead Host */
205 p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc,
206 "mpt2sas_dead_ioc_%d", ioc->id);
207 if (IS_ERR(p)) {
208 printk(MPT2SAS_ERR_FMT
209 "%s: Running mpt2sas_dead_ioc thread failed !!!!\n",
210 ioc->name, __func__);
211 } else {
212 printk(MPT2SAS_ERR_FMT
213 "%s: Running mpt2sas_dead_ioc thread success !!!!\n",
214 ioc->name, __func__);
215 }
216
217 return; /* don't rearm timer */
218 }
219
220 ioc->non_operational_loop = 0;
221
222 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
223 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
224 FORCE_BIG_HAMMER);
225 printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name,
226 __func__, (rc == 0) ? "success" : "failed");
227 doorbell = mpt2sas_base_get_iocstate(ioc, 0);
228 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
229 mpt2sas_base_fault_info(ioc, doorbell &
230 MPI2_DOORBELL_DATA_MASK);
231 }
232
233 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
234 rearm_timer:
235 if (ioc->fault_reset_work_q)
236 queue_delayed_work(ioc->fault_reset_work_q,
237 &ioc->fault_reset_work,
238 msecs_to_jiffies(FAULT_POLLING_INTERVAL));
239 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
240}
241
242/**
243 * mpt2sas_base_start_watchdog - start the fault_reset_work_q
244 * @ioc: per adapter object
245 * Context: sleep.
246 *
247 * Return nothing.
248 */
249void
250mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc)
251{
252 unsigned long flags;
253
254 if (ioc->fault_reset_work_q)
255 return;
256
257 /* initialize fault polling */
258 INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
259 snprintf(ioc->fault_reset_work_q_name,
260 sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
261 ioc->fault_reset_work_q =
262 create_singlethread_workqueue(ioc->fault_reset_work_q_name);
263 if (!ioc->fault_reset_work_q) {
264 printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
265 ioc->name, __func__, __LINE__);
266 return;
267 }
268 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
269 if (ioc->fault_reset_work_q)
270 queue_delayed_work(ioc->fault_reset_work_q,
271 &ioc->fault_reset_work,
272 msecs_to_jiffies(FAULT_POLLING_INTERVAL));
273 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
274}
275
276/**
277 * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q
278 * @ioc: per adapter object
279 * Context: sleep.
280 *
281 * Return nothing.
282 */
283void
284mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc)
285{
286 unsigned long flags;
287 struct workqueue_struct *wq;
288
289 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
290 wq = ioc->fault_reset_work_q;
291 ioc->fault_reset_work_q = NULL;
292 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
293 if (wq) {
294 if (!cancel_delayed_work_sync(&ioc->fault_reset_work))
295 flush_workqueue(wq);
296 destroy_workqueue(wq);
297 }
298}
299
300/**
301 * mpt2sas_base_fault_info - verbose translation of firmware FAULT code
302 * @ioc: per adapter object
303 * @fault_code: fault code
304 *
305 * Return nothing.
306 */
307void
308mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code)
309{
310 printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n",
311 ioc->name, fault_code);
312}
313
314/**
315 * mpt2sas_halt_firmware - halt's mpt controller firmware
316 * @ioc: per adapter object
317 *
318 * For debugging timeout related issues. Writing 0xCOFFEE00
319 * to the doorbell register will halt controller firmware. With
320 * the purpose to stop both driver and firmware, the enduser can
321 * obtain a ring buffer from controller UART.
322 */
323void
324mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc)
325{
326 u32 doorbell;
327
328 if (!ioc->fwfault_debug)
329 return;
330
331 dump_stack();
332
333 doorbell = readl(&ioc->chip->Doorbell);
334 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
335 mpt2sas_base_fault_info(ioc , doorbell);
336 else {
337 writel(0xC0FFEE00, &ioc->chip->Doorbell);
338 printk(MPT2SAS_ERR_FMT "Firmware is halted due to command "
339 "timeout\n", ioc->name);
340 }
341
342 panic("panic in %s\n", __func__);
343}
344
345#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
346/**
347 * _base_sas_ioc_info - verbose translation of the ioc status
348 * @ioc: per adapter object
349 * @mpi_reply: reply mf payload returned from firmware
350 * @request_hdr: request mf
351 *
352 * Return nothing.
353 */
354static void
355_base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
356 MPI2RequestHeader_t *request_hdr)
357{
358 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
359 MPI2_IOCSTATUS_MASK;
360 char *desc = NULL;
361 u16 frame_sz;
362 char *func_str = NULL;
363
364 /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
365 if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
366 request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
367 request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
368 return;
369
370 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
371 return;
372
373 switch (ioc_status) {
374
375/****************************************************************************
376* Common IOCStatus values for all replies
377****************************************************************************/
378
379 case MPI2_IOCSTATUS_INVALID_FUNCTION:
380 desc = "invalid function";
381 break;
382 case MPI2_IOCSTATUS_BUSY:
383 desc = "busy";
384 break;
385 case MPI2_IOCSTATUS_INVALID_SGL:
386 desc = "invalid sgl";
387 break;
388 case MPI2_IOCSTATUS_INTERNAL_ERROR:
389 desc = "internal error";
390 break;
391 case MPI2_IOCSTATUS_INVALID_VPID:
392 desc = "invalid vpid";
393 break;
394 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
395 desc = "insufficient resources";
396 break;
397 case MPI2_IOCSTATUS_INVALID_FIELD:
398 desc = "invalid field";
399 break;
400 case MPI2_IOCSTATUS_INVALID_STATE:
401 desc = "invalid state";
402 break;
403 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
404 desc = "op state not supported";
405 break;
406
407/****************************************************************************
408* Config IOCStatus values
409****************************************************************************/
410
411 case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION:
412 desc = "config invalid action";
413 break;
414 case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE:
415 desc = "config invalid type";
416 break;
417 case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE:
418 desc = "config invalid page";
419 break;
420 case MPI2_IOCSTATUS_CONFIG_INVALID_DATA:
421 desc = "config invalid data";
422 break;
423 case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS:
424 desc = "config no defaults";
425 break;
426 case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT:
427 desc = "config cant commit";
428 break;
429
430/****************************************************************************
431* SCSI IO Reply
432****************************************************************************/
433
434 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
435 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
436 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
437 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
438 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
439 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
440 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
441 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
442 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
443 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
444 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
445 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
446 break;
447
448/****************************************************************************
449* For use by SCSI Initiator and SCSI Target end-to-end data protection
450****************************************************************************/
451
452 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
453 desc = "eedp guard error";
454 break;
455 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
456 desc = "eedp ref tag error";
457 break;
458 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
459 desc = "eedp app tag error";
460 break;
461
462/****************************************************************************
463* SCSI Target values
464****************************************************************************/
465
466 case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX:
467 desc = "target invalid io index";
468 break;
469 case MPI2_IOCSTATUS_TARGET_ABORTED:
470 desc = "target aborted";
471 break;
472 case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE:
473 desc = "target no conn retryable";
474 break;
475 case MPI2_IOCSTATUS_TARGET_NO_CONNECTION:
476 desc = "target no connection";
477 break;
478 case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH:
479 desc = "target xfer count mismatch";
480 break;
481 case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR:
482 desc = "target data offset error";
483 break;
484 case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA:
485 desc = "target too much write data";
486 break;
487 case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT:
488 desc = "target iu too short";
489 break;
490 case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT:
491 desc = "target ack nak timeout";
492 break;
493 case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED:
494 desc = "target nak received";
495 break;
496
497/****************************************************************************
498* Serial Attached SCSI values
499****************************************************************************/
500
501 case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED:
502 desc = "smp request failed";
503 break;
504 case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN:
505 desc = "smp data overrun";
506 break;
507
508/****************************************************************************
509* Diagnostic Buffer Post / Diagnostic Release values
510****************************************************************************/
511
512 case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED:
513 desc = "diagnostic released";
514 break;
515 default:
516 break;
517 }
518
519 if (!desc)
520 return;
521
522 switch (request_hdr->Function) {
523 case MPI2_FUNCTION_CONFIG:
524 frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size;
525 func_str = "config_page";
526 break;
527 case MPI2_FUNCTION_SCSI_TASK_MGMT:
528 frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t);
529 func_str = "task_mgmt";
530 break;
531 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
532 frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t);
533 func_str = "sas_iounit_ctl";
534 break;
535 case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
536 frame_sz = sizeof(Mpi2SepRequest_t);
537 func_str = "enclosure";
538 break;
539 case MPI2_FUNCTION_IOC_INIT:
540 frame_sz = sizeof(Mpi2IOCInitRequest_t);
541 func_str = "ioc_init";
542 break;
543 case MPI2_FUNCTION_PORT_ENABLE:
544 frame_sz = sizeof(Mpi2PortEnableRequest_t);
545 func_str = "port_enable";
546 break;
547 case MPI2_FUNCTION_SMP_PASSTHROUGH:
548 frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size;
549 func_str = "smp_passthru";
550 break;
551 default:
552 frame_sz = 32;
553 func_str = "unknown";
554 break;
555 }
556
557 printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p),"
558 " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str);
559
560 _debug_dump_mf(request_hdr, frame_sz/4);
561}
562
563/**
564 * _base_display_event_data - verbose translation of firmware asyn events
565 * @ioc: per adapter object
566 * @mpi_reply: reply mf payload returned from firmware
567 *
568 * Return nothing.
569 */
570static void
571_base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
572 Mpi2EventNotificationReply_t *mpi_reply)
573{
574 char *desc = NULL;
575 u16 event;
576
577 if (!(ioc->logging_level & MPT_DEBUG_EVENTS))
578 return;
579
580 event = le16_to_cpu(mpi_reply->Event);
581
582 switch (event) {
583 case MPI2_EVENT_LOG_DATA:
584 desc = "Log Data";
585 break;
586 case MPI2_EVENT_STATE_CHANGE:
587 desc = "Status Change";
588 break;
589 case MPI2_EVENT_HARD_RESET_RECEIVED:
590 desc = "Hard Reset Received";
591 break;
592 case MPI2_EVENT_EVENT_CHANGE:
593 desc = "Event Change";
594 break;
595 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
596 desc = "Device Status Change";
597 break;
598 case MPI2_EVENT_IR_OPERATION_STATUS:
599 if (!ioc->hide_ir_msg)
600 desc = "IR Operation Status";
601 break;
602 case MPI2_EVENT_SAS_DISCOVERY:
603 {
604 Mpi2EventDataSasDiscovery_t *event_data =
605 (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
606 printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name,
607 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
608 "start" : "stop");
609 if (event_data->DiscoveryStatus)
610 printk("discovery_status(0x%08x)",
611 le32_to_cpu(event_data->DiscoveryStatus));
612 printk("\n");
613 return;
614 }
615 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
616 desc = "SAS Broadcast Primitive";
617 break;
618 case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
619 desc = "SAS Init Device Status Change";
620 break;
621 case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW:
622 desc = "SAS Init Table Overflow";
623 break;
624 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
625 desc = "SAS Topology Change List";
626 break;
627 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
628 desc = "SAS Enclosure Device Status Change";
629 break;
630 case MPI2_EVENT_IR_VOLUME:
631 if (!ioc->hide_ir_msg)
632 desc = "IR Volume";
633 break;
634 case MPI2_EVENT_IR_PHYSICAL_DISK:
635 if (!ioc->hide_ir_msg)
636 desc = "IR Physical Disk";
637 break;
638 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
639 if (!ioc->hide_ir_msg)
640 desc = "IR Configuration Change List";
641 break;
642 case MPI2_EVENT_LOG_ENTRY_ADDED:
643 if (!ioc->hide_ir_msg)
644 desc = "Log Entry Added";
645 break;
646 case MPI2_EVENT_TEMP_THRESHOLD:
647 desc = "Temperature Threshold";
648 break;
649 }
650
651 if (!desc)
652 return;
653
654 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc);
655}
656#endif
657
658/**
659 * _base_sas_log_info - verbose translation of firmware log info
660 * @ioc: per adapter object
661 * @log_info: log info
662 *
663 * Return nothing.
664 */
665static void
666_base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info)
667{
668 union loginfo_type {
669 u32 loginfo;
670 struct {
671 u32 subcode:16;
672 u32 code:8;
673 u32 originator:4;
674 u32 bus_type:4;
675 } dw;
676 };
677 union loginfo_type sas_loginfo;
678 char *originator_str = NULL;
679
680 sas_loginfo.loginfo = log_info;
681 if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
682 return;
683
684 /* each nexus loss loginfo */
685 if (log_info == 0x31170000)
686 return;
687
688 /* eat the loginfos associated with task aborts */
689 if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info ==
690 0x31140000 || log_info == 0x31130000))
691 return;
692
693 switch (sas_loginfo.dw.originator) {
694 case 0:
695 originator_str = "IOP";
696 break;
697 case 1:
698 originator_str = "PL";
699 break;
700 case 2:
701 if (!ioc->hide_ir_msg)
702 originator_str = "IR";
703 else
704 originator_str = "WarpDrive";
705 break;
706 }
707
708 printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), "
709 "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info,
710 originator_str, sas_loginfo.dw.code,
711 sas_loginfo.dw.subcode);
712}
713
714/**
715 * _base_display_reply_info -
716 * @ioc: per adapter object
717 * @smid: system request message index
718 * @msix_index: MSIX table index supplied by the OS
719 * @reply: reply message frame(lower 32bit addr)
720 *
721 * Return nothing.
722 */
723static void
724_base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
725 u32 reply)
726{
727 MPI2DefaultReply_t *mpi_reply;
728 u16 ioc_status;
729
730 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
731 if (unlikely(!mpi_reply)) {
732 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
733 ioc->name, __FILE__, __LINE__, __func__);
734 return;
735 }
736 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
737#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
738 if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
739 (ioc->logging_level & MPT_DEBUG_REPLY)) {
740 _base_sas_ioc_info(ioc , mpi_reply,
741 mpt2sas_base_get_msg_frame(ioc, smid));
742 }
743#endif
744 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
745 _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo));
746}
747
748/**
749 * mpt2sas_base_done - base internal command completion routine
750 * @ioc: per adapter object
751 * @smid: system request message index
752 * @msix_index: MSIX table index supplied by the OS
753 * @reply: reply message frame(lower 32bit addr)
754 *
755 * Return 1 meaning mf should be freed from _base_interrupt
756 * 0 means the mf is freed from this function.
757 */
758u8
759mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
760 u32 reply)
761{
762 MPI2DefaultReply_t *mpi_reply;
763
764 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
765 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
766 return 1;
767
768 if (ioc->base_cmds.status == MPT2_CMD_NOT_USED)
769 return 1;
770
771 ioc->base_cmds.status |= MPT2_CMD_COMPLETE;
772 if (mpi_reply) {
773 ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID;
774 memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
775 }
776 ioc->base_cmds.status &= ~MPT2_CMD_PENDING;
777
778 complete(&ioc->base_cmds.done);
779 return 1;
780}
781
782/**
783 * _base_async_event - main callback handler for firmware asyn events
784 * @ioc: per adapter object
785 * @msix_index: MSIX table index supplied by the OS
786 * @reply: reply message frame(lower 32bit addr)
787 *
788 * Returns void.
789 */
790static void
791_base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
792{
793 Mpi2EventNotificationReply_t *mpi_reply;
794 Mpi2EventAckRequest_t *ack_request;
795 u16 smid;
796
797 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
798 if (!mpi_reply)
799 return;
800 if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
801 return;
802#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
803 _base_display_event_data(ioc, mpi_reply);
804#endif
805 if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
806 goto out;
807 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
808 if (!smid) {
809 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
810 ioc->name, __func__);
811 goto out;
812 }
813
814 ack_request = mpt2sas_base_get_msg_frame(ioc, smid);
815 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
816 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
817 ack_request->Event = mpi_reply->Event;
818 ack_request->EventContext = mpi_reply->EventContext;
819 ack_request->VF_ID = 0; /* TODO */
820 ack_request->VP_ID = 0;
821 mpt2sas_base_put_smid_default(ioc, smid);
822
823 out:
824
825 /* scsih callback handler */
826 mpt2sas_scsih_event_callback(ioc, msix_index, reply);
827
828 /* ctl callback handler */
829 mpt2sas_ctl_event_callback(ioc, msix_index, reply);
830
831 return;
832}
833
834/**
835 * _base_get_cb_idx - obtain the callback index
836 * @ioc: per adapter object
837 * @smid: system request message index
838 *
839 * Return callback index.
840 */
841static u8
842_base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
843{
844 int i;
845 u8 cb_idx;
846
847 if (smid < ioc->hi_priority_smid) {
848 i = smid - 1;
849 cb_idx = ioc->scsi_lookup[i].cb_idx;
850 } else if (smid < ioc->internal_smid) {
851 i = smid - ioc->hi_priority_smid;
852 cb_idx = ioc->hpr_lookup[i].cb_idx;
853 } else if (smid <= ioc->hba_queue_depth) {
854 i = smid - ioc->internal_smid;
855 cb_idx = ioc->internal_lookup[i].cb_idx;
856 } else
857 cb_idx = 0xFF;
858 return cb_idx;
859}
860
861/**
862 * _base_mask_interrupts - disable interrupts
863 * @ioc: per adapter object
864 *
865 * Disabling ResetIRQ, Reply and Doorbell Interrupts
866 *
867 * Return nothing.
868 */
869static void
870_base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc)
871{
872 u32 him_register;
873
874 ioc->mask_interrupts = 1;
875 him_register = readl(&ioc->chip->HostInterruptMask);
876 him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
877 writel(him_register, &ioc->chip->HostInterruptMask);
878 readl(&ioc->chip->HostInterruptMask);
879}
880
881/**
882 * _base_unmask_interrupts - enable interrupts
883 * @ioc: per adapter object
884 *
885 * Enabling only Reply Interrupts
886 *
887 * Return nothing.
888 */
889static void
890_base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
891{
892 u32 him_register;
893
894 him_register = readl(&ioc->chip->HostInterruptMask);
895 him_register &= ~MPI2_HIM_RIM;
896 writel(him_register, &ioc->chip->HostInterruptMask);
897 ioc->mask_interrupts = 0;
898}
899
900union reply_descriptor {
901 u64 word;
902 struct {
903 u32 low;
904 u32 high;
905 } u;
906};
907
908/**
909 * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
910 * @irq: irq number (not used)
911 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
912 * @r: pt_regs pointer (not used)
913 *
914 * Return IRQ_HANDLE if processed, else IRQ_NONE.
915 */
916static irqreturn_t
917_base_interrupt(int irq, void *bus_id)
918{
919 struct adapter_reply_queue *reply_q = bus_id;
920 union reply_descriptor rd;
921 u32 completed_cmds;
922 u8 request_desript_type;
923 u16 smid;
924 u8 cb_idx;
925 u32 reply;
926 u8 msix_index = reply_q->msix_index;
927 struct MPT2SAS_ADAPTER *ioc = reply_q->ioc;
928 Mpi2ReplyDescriptorsUnion_t *rpf;
929 u8 rc;
930
931 if (ioc->mask_interrupts)
932 return IRQ_NONE;
933
934 if (!atomic_add_unless(&reply_q->busy, 1, 1))
935 return IRQ_NONE;
936
937 rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
938 request_desript_type = rpf->Default.ReplyFlags
939 & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
940 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
941 atomic_dec(&reply_q->busy);
942 return IRQ_NONE;
943 }
944
945 completed_cmds = 0;
946 cb_idx = 0xFF;
947 do {
948 rd.word = le64_to_cpu(rpf->Words);
949 if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
950 goto out;
951 reply = 0;
952 smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
953 if (request_desript_type ==
954 MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
955 reply = le32_to_cpu
956 (rpf->AddressReply.ReplyFrameAddress);
957 if (reply > ioc->reply_dma_max_address ||
958 reply < ioc->reply_dma_min_address)
959 reply = 0;
960 } else if (request_desript_type ==
961 MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
962 goto next;
963 else if (request_desript_type ==
964 MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS)
965 goto next;
966 if (smid) {
967 cb_idx = _base_get_cb_idx(ioc, smid);
968 if ((likely(cb_idx < MPT_MAX_CALLBACKS))
969 && (likely(mpt_callbacks[cb_idx] != NULL))) {
970 rc = mpt_callbacks[cb_idx](ioc, smid,
971 msix_index, reply);
972 if (reply)
973 _base_display_reply_info(ioc, smid,
974 msix_index, reply);
975 if (rc)
976 mpt2sas_base_free_smid(ioc, smid);
977 }
978 }
979 if (!smid)
980 _base_async_event(ioc, msix_index, reply);
981
982 /* reply free queue handling */
983 if (reply) {
984 ioc->reply_free_host_index =
985 (ioc->reply_free_host_index ==
986 (ioc->reply_free_queue_depth - 1)) ?
987 0 : ioc->reply_free_host_index + 1;
988 ioc->reply_free[ioc->reply_free_host_index] =
989 cpu_to_le32(reply);
990 wmb();
991 writel(ioc->reply_free_host_index,
992 &ioc->chip->ReplyFreeHostIndex);
993 }
994
995 next:
996
997 rpf->Words = cpu_to_le64(ULLONG_MAX);
998 reply_q->reply_post_host_index =
999 (reply_q->reply_post_host_index ==
1000 (ioc->reply_post_queue_depth - 1)) ? 0 :
1001 reply_q->reply_post_host_index + 1;
1002 request_desript_type =
1003 reply_q->reply_post_free[reply_q->reply_post_host_index].
1004 Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
1005 completed_cmds++;
1006 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
1007 goto out;
1008 if (!reply_q->reply_post_host_index)
1009 rpf = reply_q->reply_post_free;
1010 else
1011 rpf++;
1012 } while (1);
1013
1014 out:
1015
1016 if (!completed_cmds) {
1017 atomic_dec(&reply_q->busy);
1018 return IRQ_NONE;
1019 }
1020 wmb();
1021 if (ioc->is_warpdrive) {
1022 writel(reply_q->reply_post_host_index,
1023 ioc->reply_post_host_index[msix_index]);
1024 atomic_dec(&reply_q->busy);
1025 return IRQ_HANDLED;
1026 }
1027 writel(reply_q->reply_post_host_index | (msix_index <<
1028 MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex);
1029 atomic_dec(&reply_q->busy);
1030 return IRQ_HANDLED;
1031}
1032
1033/**
1034 * _base_is_controller_msix_enabled - is controller support muli-reply queues
1035 * @ioc: per adapter object
1036 *
1037 */
1038static inline int
1039_base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc)
1040{
1041 return (ioc->facts.IOCCapabilities &
1042 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
1043}
1044
1045/**
1046 * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues
1047 * @ioc: per adapter object
1048 * Context: ISR conext
1049 *
1050 * Called when a Task Management request has completed. We want
1051 * to flush the other reply queues so all the outstanding IO has been
1052 * completed back to OS before we process the TM completetion.
1053 *
1054 * Return nothing.
1055 */
1056void
1057mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc)
1058{
1059 struct adapter_reply_queue *reply_q;
1060
1061 /* If MSIX capability is turned off
1062 * then multi-queues are not enabled
1063 */
1064 if (!_base_is_controller_msix_enabled(ioc))
1065 return;
1066
1067 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
1068 if (ioc->shost_recovery)
1069 return;
1070 /* TMs are on msix_index == 0 */
1071 if (reply_q->msix_index == 0)
1072 continue;
1073 _base_interrupt(reply_q->vector, (void *)reply_q);
1074 }
1075}
1076
1077/**
1078 * mpt2sas_base_release_callback_handler - clear interrupt callback handler
1079 * @cb_idx: callback index
1080 *
1081 * Return nothing.
1082 */
1083void
1084mpt2sas_base_release_callback_handler(u8 cb_idx)
1085{
1086 mpt_callbacks[cb_idx] = NULL;
1087}
1088
1089/**
1090 * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler
1091 * @cb_func: callback function
1092 *
1093 * Returns cb_func.
1094 */
1095u8
1096mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func)
1097{
1098 u8 cb_idx;
1099
1100 for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
1101 if (mpt_callbacks[cb_idx] == NULL)
1102 break;
1103
1104 mpt_callbacks[cb_idx] = cb_func;
1105 return cb_idx;
1106}
1107
1108/**
1109 * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler
1110 *
1111 * Return nothing.
1112 */
1113void
1114mpt2sas_base_initialize_callback_handler(void)
1115{
1116 u8 cb_idx;
1117
1118 for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
1119 mpt2sas_base_release_callback_handler(cb_idx);
1120}
1121
1122/**
1123 * mpt2sas_base_build_zero_len_sge - build zero length sg entry
1124 * @ioc: per adapter object
1125 * @paddr: virtual address for SGE
1126 *
1127 * Create a zero length scatter gather entry to insure the IOCs hardware has
1128 * something to use if the target device goes brain dead and tries
1129 * to send data even when none is asked for.
1130 *
1131 * Return nothing.
1132 */
1133void
1134mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr)
1135{
1136 u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
1137 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
1138 MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
1139 MPI2_SGE_FLAGS_SHIFT);
1140 ioc->base_add_sg_single(paddr, flags_length, -1);
1141}
1142
1143/**
1144 * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
1145 * @paddr: virtual address for SGE
1146 * @flags_length: SGE flags and data transfer length
1147 * @dma_addr: Physical address
1148 *
1149 * Return nothing.
1150 */
1151static void
1152_base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1153{
1154 Mpi2SGESimple32_t *sgel = paddr;
1155
1156 flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
1157 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1158 sgel->FlagsLength = cpu_to_le32(flags_length);
1159 sgel->Address = cpu_to_le32(dma_addr);
1160}
1161
1162
1163/**
1164 * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
1165 * @paddr: virtual address for SGE
1166 * @flags_length: SGE flags and data transfer length
1167 * @dma_addr: Physical address
1168 *
1169 * Return nothing.
1170 */
1171static void
1172_base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1173{
1174 Mpi2SGESimple64_t *sgel = paddr;
1175
1176 flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
1177 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1178 sgel->FlagsLength = cpu_to_le32(flags_length);
1179 sgel->Address = cpu_to_le64(dma_addr);
1180}
1181
1182#define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
1183
1184/**
1185 * _base_config_dma_addressing - set dma addressing
1186 * @ioc: per adapter object
1187 * @pdev: PCI device struct
1188 *
1189 * Returns 0 for success, non-zero for failure.
1190 */
1191static int
1192_base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev)
1193{
1194 struct sysinfo s;
1195 u64 consistent_dma_mask;
1196
1197 if (ioc->dma_mask)
1198 consistent_dma_mask = DMA_BIT_MASK(64);
1199 else
1200 consistent_dma_mask = DMA_BIT_MASK(32);
1201
1202 if (sizeof(dma_addr_t) > 4) {
1203 const uint64_t required_mask =
1204 dma_get_required_mask(&pdev->dev);
1205 if ((required_mask > DMA_BIT_MASK(32)) &&
1206 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1207 !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) {
1208 ioc->base_add_sg_single = &_base_add_sg_single_64;
1209 ioc->sge_size = sizeof(Mpi2SGESimple64_t);
1210 ioc->dma_mask = 64;
1211 goto out;
1212 }
1213 }
1214
1215 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1216 && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
1217 ioc->base_add_sg_single = &_base_add_sg_single_32;
1218 ioc->sge_size = sizeof(Mpi2SGESimple32_t);
1219 ioc->dma_mask = 32;
1220 } else
1221 return -ENODEV;
1222
1223 out:
1224 si_meminfo(&s);
1225 printk(MPT2SAS_INFO_FMT
1226 "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n",
1227 ioc->name, ioc->dma_mask, convert_to_kb(s.totalram));
1228
1229 return 0;
1230}
1231
1232static int
1233_base_change_consistent_dma_mask(struct MPT2SAS_ADAPTER *ioc,
1234 struct pci_dev *pdev)
1235{
1236 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
1237 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1238 return -ENODEV;
1239 }
1240 return 0;
1241}
1242/**
1243 * _base_check_enable_msix - checks MSIX capabable.
1244 * @ioc: per adapter object
1245 *
1246 * Check to see if card is capable of MSIX, and set number
1247 * of available msix vectors
1248 */
1249static int
1250_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)
1251{
1252 int base;
1253 u16 message_control;
1254
1255
1256 /* Check whether controller SAS2008 B0 controller,
1257 if it is SAS2008 B0 controller use IO-APIC instead of MSIX */
1258 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 &&
1259 ioc->pdev->revision == 0x01) {
1260 return -EINVAL;
1261 }
1262
1263 base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
1264 if (!base) {
1265 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "
1266 "supported\n", ioc->name));
1267 return -EINVAL;
1268 }
1269
1270 /* get msix vector count */
1271 /* NUMA_IO not supported for older controllers */
1272 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
1273 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
1274 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
1275 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
1276 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
1277 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
1278 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
1279 ioc->msix_vector_count = 1;
1280 else {
1281 pci_read_config_word(ioc->pdev, base + 2, &message_control);
1282 ioc->msix_vector_count = (message_control & 0x3FF) + 1;
1283 }
1284 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, "
1285 "vector_count(%d)\n", ioc->name, ioc->msix_vector_count));
1286
1287 return 0;
1288}
1289
1290/**
1291 * _base_free_irq - free irq
1292 * @ioc: per adapter object
1293 *
1294 * Freeing respective reply_queue from the list.
1295 */
1296static void
1297_base_free_irq(struct MPT2SAS_ADAPTER *ioc)
1298{
1299 struct adapter_reply_queue *reply_q, *next;
1300
1301 if (list_empty(&ioc->reply_queue_list))
1302 return;
1303
1304 list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
1305 list_del(&reply_q->list);
1306 irq_set_affinity_hint(reply_q->vector, NULL);
1307 free_cpumask_var(reply_q->affinity_hint);
1308 synchronize_irq(reply_q->vector);
1309 free_irq(reply_q->vector, reply_q);
1310 kfree(reply_q);
1311 }
1312}
1313
1314/**
1315 * _base_request_irq - request irq
1316 * @ioc: per adapter object
1317 * @index: msix index into vector table
1318 * @vector: irq vector
1319 *
1320 * Inserting respective reply_queue into the list.
1321 */
1322static int
1323_base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector)
1324{
1325 struct adapter_reply_queue *reply_q;
1326 int r;
1327
1328 reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
1329 if (!reply_q) {
1330 printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n",
1331 ioc->name, (int)sizeof(struct adapter_reply_queue));
1332 return -ENOMEM;
1333 }
1334 reply_q->ioc = ioc;
1335 reply_q->msix_index = index;
1336 reply_q->vector = vector;
1337
1338 if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL))
1339 return -ENOMEM;
1340 cpumask_clear(reply_q->affinity_hint);
1341
1342 atomic_set(&reply_q->busy, 0);
1343 if (ioc->msix_enable)
1344 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
1345 MPT2SAS_DRIVER_NAME, ioc->id, index);
1346 else
1347 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
1348 MPT2SAS_DRIVER_NAME, ioc->id);
1349 r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
1350 reply_q);
1351 if (r) {
1352 printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n",
1353 reply_q->name, vector);
1354 kfree(reply_q);
1355 return -EBUSY;
1356 }
1357
1358 INIT_LIST_HEAD(&reply_q->list);
1359 list_add_tail(&reply_q->list, &ioc->reply_queue_list);
1360 return 0;
1361}
1362
1363/**
1364 * _base_assign_reply_queues - assigning msix index for each cpu
1365 * @ioc: per adapter object
1366 *
1367 * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
1368 *
1369 * It would nice if we could call irq_set_affinity, however it is not
1370 * an exported symbol
1371 */
1372static void
1373_base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc)
1374{
1375 unsigned int cpu, nr_cpus, nr_msix, index = 0;
1376 struct adapter_reply_queue *reply_q;
1377
1378 if (!_base_is_controller_msix_enabled(ioc))
1379 return;
1380
1381 memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
1382
1383 nr_cpus = num_online_cpus();
1384 nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count,
1385 ioc->facts.MaxMSIxVectors);
1386 if (!nr_msix)
1387 return;
1388
1389 cpu = cpumask_first(cpu_online_mask);
1390
1391 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
1392
1393 unsigned int i, group = nr_cpus / nr_msix;
1394
1395 if (cpu >= nr_cpus)
1396 break;
1397
1398 if (index < nr_cpus % nr_msix)
1399 group++;
1400
1401 for (i = 0 ; i < group ; i++) {
1402 ioc->cpu_msix_table[cpu] = index;
1403 cpumask_or(reply_q->affinity_hint,
1404 reply_q->affinity_hint, get_cpu_mask(cpu));
1405 cpu = cpumask_next(cpu, cpu_online_mask);
1406 }
1407
1408 if (irq_set_affinity_hint(reply_q->vector,
1409 reply_q->affinity_hint))
1410 dinitprintk(ioc, pr_info(MPT2SAS_FMT
1411 "error setting affinity hint for irq vector %d\n",
1412 ioc->name, reply_q->vector));
1413 index++;
1414 }
1415}
1416
1417/**
1418 * _base_disable_msix - disables msix
1419 * @ioc: per adapter object
1420 *
1421 */
1422static void
1423_base_disable_msix(struct MPT2SAS_ADAPTER *ioc)
1424{
1425 if (ioc->msix_enable) {
1426 pci_disable_msix(ioc->pdev);
1427 ioc->msix_enable = 0;
1428 }
1429}
1430
1431/**
1432 * _base_enable_msix - enables msix, failback to io_apic
1433 * @ioc: per adapter object
1434 *
1435 */
1436static int
1437_base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
1438{
1439 struct msix_entry *entries, *a;
1440 int r;
1441 int i;
1442 u8 try_msix = 0;
1443
1444 if (msix_disable == -1 || msix_disable == 0)
1445 try_msix = 1;
1446
1447 if (!try_msix)
1448 goto try_ioapic;
1449
1450 if (_base_check_enable_msix(ioc) != 0)
1451 goto try_ioapic;
1452
1453 ioc->reply_queue_count = min_t(int, ioc->cpu_count,
1454 ioc->msix_vector_count);
1455
1456 if (!ioc->rdpq_array_enable && max_msix_vectors == -1)
1457 max_msix_vectors = 8;
1458
1459 if (max_msix_vectors > 0) {
1460 ioc->reply_queue_count = min_t(int, max_msix_vectors,
1461 ioc->reply_queue_count);
1462 ioc->msix_vector_count = ioc->reply_queue_count;
1463 } else if (max_msix_vectors == 0)
1464 goto try_ioapic;
1465
1466 printk(MPT2SAS_INFO_FMT
1467 "MSI-X vectors supported: %d, no of cores: %d, max_msix_vectors: %d\n",
1468 ioc->name, ioc->msix_vector_count, ioc->cpu_count, max_msix_vectors);
1469
1470 entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
1471 GFP_KERNEL);
1472 if (!entries) {
1473 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc "
1474 "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__,
1475 __LINE__, __func__));
1476 goto try_ioapic;
1477 }
1478
1479 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
1480 a->entry = i;
1481
1482 r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count);
1483 if (r) {
1484 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT
1485 "pci_enable_msix_exact failed (r=%d) !!!\n", ioc->name, r));
1486 kfree(entries);
1487 goto try_ioapic;
1488 }
1489
1490 ioc->msix_enable = 1;
1491 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
1492 r = _base_request_irq(ioc, i, a->vector);
1493 if (r) {
1494 _base_free_irq(ioc);
1495 _base_disable_msix(ioc);
1496 kfree(entries);
1497 goto try_ioapic;
1498 }
1499 }
1500
1501 kfree(entries);
1502 return 0;
1503
1504/* failback to io_apic interrupt routing */
1505 try_ioapic:
1506
1507 ioc->reply_queue_count = 1;
1508 r = _base_request_irq(ioc, 0, ioc->pdev->irq);
1509
1510 return r;
1511}
1512
1513/**
1514 * mpt2sas_base_map_resources - map in controller resources (io/irq/memap)
1515 * @ioc: per adapter object
1516 *
1517 * Returns 0 for success, non-zero for failure.
1518 */
1519int
1520mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
1521{
1522 struct pci_dev *pdev = ioc->pdev;
1523 u32 memap_sz;
1524 u32 pio_sz;
1525 int i, r = 0;
1526 u64 pio_chip = 0;
1527 u64 chip_phys = 0;
1528 struct adapter_reply_queue *reply_q;
1529
1530 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n",
1531 ioc->name, __func__));
1532
1533 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1534 if (pci_enable_device_mem(pdev)) {
1535 printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: "
1536 "failed\n", ioc->name);
1537 ioc->bars = 0;
1538 return -ENODEV;
1539 }
1540
1541
1542 if (pci_request_selected_regions(pdev, ioc->bars,
1543 MPT2SAS_DRIVER_NAME)) {
1544 printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: "
1545 "failed\n", ioc->name);
1546 ioc->bars = 0;
1547 r = -ENODEV;
1548 goto out_fail;
1549 }
1550
1551 /* AER (Advanced Error Reporting) hooks */
1552 pci_enable_pcie_error_reporting(pdev);
1553
1554 pci_set_master(pdev);
1555
1556 if (_base_config_dma_addressing(ioc, pdev) != 0) {
1557 printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n",
1558 ioc->name, pci_name(pdev));
1559 r = -ENODEV;
1560 goto out_fail;
1561 }
1562
1563 for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) &&
1564 (!memap_sz || !pio_sz); i++) {
1565 if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
1566 if (pio_sz)
1567 continue;
1568 pio_chip = (u64)pci_resource_start(pdev, i);
1569 pio_sz = pci_resource_len(pdev, i);
1570 } else {
1571 if (memap_sz)
1572 continue;
1573 /* verify memory resource is valid before using */
1574 if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
1575 ioc->chip_phys = pci_resource_start(pdev, i);
1576 chip_phys = (u64)ioc->chip_phys;
1577 memap_sz = pci_resource_len(pdev, i);
1578 ioc->chip = ioremap(ioc->chip_phys, memap_sz);
1579 }
1580 }
1581 }
1582
1583 if (ioc->chip == NULL) {
1584 printk(MPT2SAS_ERR_FMT "unable to map adapter memory! "
1585 "or resource not found\n", ioc->name);
1586 r = -EINVAL;
1587 goto out_fail;
1588 }
1589
1590 _base_mask_interrupts(ioc);
1591
1592 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
1593 if (r)
1594 goto out_fail;
1595
1596 if (!ioc->rdpq_array_enable_assigned) {
1597 ioc->rdpq_array_enable = ioc->rdpq_array_capable;
1598 ioc->rdpq_array_enable_assigned = 1;
1599 }
1600
1601 r = _base_enable_msix(ioc);
1602 if (r)
1603 goto out_fail;
1604
1605 list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
1606 printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
1607 reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
1608 "IO-APIC enabled"), reply_q->vector);
1609
1610 printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
1611 ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
1612 printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n",
1613 ioc->name, (unsigned long long)pio_chip, pio_sz);
1614
1615 /* Save PCI configuration state for recovery from PCI AER/EEH errors */
1616 pci_save_state(pdev);
1617
1618 return 0;
1619
1620 out_fail:
1621 if (ioc->chip_phys)
1622 iounmap(ioc->chip);
1623 ioc->chip_phys = 0;
1624 pci_release_selected_regions(ioc->pdev, ioc->bars);
1625 pci_disable_pcie_error_reporting(pdev);
1626 pci_disable_device(pdev);
1627 return r;
1628}
1629
1630/**
1631 * mpt2sas_base_get_msg_frame - obtain request mf pointer
1632 * @ioc: per adapter object
1633 * @smid: system request message index(smid zero is invalid)
1634 *
1635 * Returns virt pointer to message frame.
1636 */
1637void *
1638mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1639{
1640 return (void *)(ioc->request + (smid * ioc->request_sz));
1641}
1642
1643/**
1644 * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request
1645 * @ioc: per adapter object
1646 * @smid: system request message index
1647 *
1648 * Returns virt pointer to sense buffer.
1649 */
1650void *
1651mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1652{
1653 return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
1654}
1655
1656/**
1657 * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request
1658 * @ioc: per adapter object
1659 * @smid: system request message index
1660 *
1661 * Returns phys pointer to the low 32bit address of the sense buffer.
1662 */
1663__le32
1664mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1665{
1666 return cpu_to_le32(ioc->sense_dma +
1667 ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
1668}
1669
1670/**
1671 * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address
1672 * @ioc: per adapter object
1673 * @phys_addr: lower 32 physical addr of the reply
1674 *
1675 * Converts 32bit lower physical addr into a virt address.
1676 */
1677void *
1678mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr)
1679{
1680 if (!phys_addr)
1681 return NULL;
1682 return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
1683}
1684
1685/**
1686 * mpt2sas_base_get_smid - obtain a free smid from internal queue
1687 * @ioc: per adapter object
1688 * @cb_idx: callback index
1689 *
1690 * Returns smid (zero is invalid)
1691 */
1692u16
1693mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
1694{
1695 unsigned long flags;
1696 struct request_tracker *request;
1697 u16 smid;
1698
1699 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1700 if (list_empty(&ioc->internal_free_list)) {
1701 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1702 printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
1703 ioc->name, __func__);
1704 return 0;
1705 }
1706
1707 request = list_entry(ioc->internal_free_list.next,
1708 struct request_tracker, tracker_list);
1709 request->cb_idx = cb_idx;
1710 smid = request->smid;
1711 list_del(&request->tracker_list);
1712 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1713 return smid;
1714}
1715
1716/**
1717 * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
1718 * @ioc: per adapter object
1719 * @cb_idx: callback index
1720 * @scmd: pointer to scsi command object
1721 *
1722 * Returns smid (zero is invalid)
1723 */
1724u16
1725mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1726 struct scsi_cmnd *scmd)
1727{
1728 unsigned long flags;
1729 struct scsiio_tracker *request;
1730 u16 smid;
1731
1732 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1733 if (list_empty(&ioc->free_list)) {
1734 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1735 printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
1736 ioc->name, __func__);
1737 return 0;
1738 }
1739
1740 request = list_entry(ioc->free_list.next,
1741 struct scsiio_tracker, tracker_list);
1742 request->scmd = scmd;
1743 request->cb_idx = cb_idx;
1744 smid = request->smid;
1745 list_del(&request->tracker_list);
1746 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1747 return smid;
1748}
1749
1750/**
1751 * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
1752 * @ioc: per adapter object
1753 * @cb_idx: callback index
1754 *
1755 * Returns smid (zero is invalid)
1756 */
1757u16
1758mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
1759{
1760 unsigned long flags;
1761 struct request_tracker *request;
1762 u16 smid;
1763
1764 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1765 if (list_empty(&ioc->hpr_free_list)) {
1766 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1767 return 0;
1768 }
1769
1770 request = list_entry(ioc->hpr_free_list.next,
1771 struct request_tracker, tracker_list);
1772 request->cb_idx = cb_idx;
1773 smid = request->smid;
1774 list_del(&request->tracker_list);
1775 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1776 return smid;
1777}
1778
1779
1780/**
1781 * mpt2sas_base_free_smid - put smid back on free_list
1782 * @ioc: per adapter object
1783 * @smid: system request message index
1784 *
1785 * Return nothing.
1786 */
1787void
1788mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1789{
1790 unsigned long flags;
1791 int i;
1792 struct chain_tracker *chain_req, *next;
1793
1794 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1795 if (smid < ioc->hi_priority_smid) {
1796 /* scsiio queue */
1797 i = smid - 1;
1798 if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
1799 list_for_each_entry_safe(chain_req, next,
1800 &ioc->scsi_lookup[i].chain_list, tracker_list) {
1801 list_del_init(&chain_req->tracker_list);
1802 list_add(&chain_req->tracker_list,
1803 &ioc->free_chain_list);
1804 }
1805 }
1806 ioc->scsi_lookup[i].cb_idx = 0xFF;
1807 ioc->scsi_lookup[i].scmd = NULL;
1808 ioc->scsi_lookup[i].direct_io = 0;
1809 list_add(&ioc->scsi_lookup[i].tracker_list,
1810 &ioc->free_list);
1811 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1812
1813 /*
1814 * See _wait_for_commands_to_complete() call with regards
1815 * to this code.
1816 */
1817 if (ioc->shost_recovery && ioc->pending_io_count) {
1818 if (ioc->pending_io_count == 1)
1819 wake_up(&ioc->reset_wq);
1820 ioc->pending_io_count--;
1821 }
1822 return;
1823 } else if (smid < ioc->internal_smid) {
1824 /* hi-priority */
1825 i = smid - ioc->hi_priority_smid;
1826 ioc->hpr_lookup[i].cb_idx = 0xFF;
1827 list_add(&ioc->hpr_lookup[i].tracker_list,
1828 &ioc->hpr_free_list);
1829 } else if (smid <= ioc->hba_queue_depth) {
1830 /* internal queue */
1831 i = smid - ioc->internal_smid;
1832 ioc->internal_lookup[i].cb_idx = 0xFF;
1833 list_add(&ioc->internal_lookup[i].tracker_list,
1834 &ioc->internal_free_list);
1835 }
1836 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1837}
1838
1839/**
1840 * _base_writeq - 64 bit write to MMIO
1841 * @ioc: per adapter object
1842 * @b: data payload
1843 * @addr: address in MMIO space
1844 * @writeq_lock: spin lock
1845 *
1846 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
1847 * care of 32 bit environment where its not quarenteed to send the entire word
1848 * in one transfer.
1849 */
1850#ifndef writeq
1851static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
1852 spinlock_t *writeq_lock)
1853{
1854 unsigned long flags;
1855 __u64 data_out = cpu_to_le64(b);
1856
1857 spin_lock_irqsave(writeq_lock, flags);
1858 writel((u32)(data_out), addr);
1859 writel((u32)(data_out >> 32), (addr + 4));
1860 spin_unlock_irqrestore(writeq_lock, flags);
1861}
1862#else
1863static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
1864 spinlock_t *writeq_lock)
1865{
1866 writeq(cpu_to_le64(b), addr);
1867}
1868#endif
1869
1870static inline u8
1871_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
1872{
1873 return ioc->cpu_msix_table[raw_smp_processor_id()];
1874}
1875
1876/**
1877 * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
1878 * @ioc: per adapter object
1879 * @smid: system request message index
1880 * @handle: device handle
1881 *
1882 * Return nothing.
1883 */
1884void
1885mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle)
1886{
1887 Mpi2RequestDescriptorUnion_t descriptor;
1888 u64 *request = (u64 *)&descriptor;
1889
1890
1891 descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1892 descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
1893 descriptor.SCSIIO.SMID = cpu_to_le16(smid);
1894 descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
1895 descriptor.SCSIIO.LMID = 0;
1896 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1897 &ioc->scsi_lookup_lock);
1898}
1899
1900
1901/**
1902 * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware
1903 * @ioc: per adapter object
1904 * @smid: system request message index
1905 *
1906 * Return nothing.
1907 */
1908void
1909mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1910{
1911 Mpi2RequestDescriptorUnion_t descriptor;
1912 u64 *request = (u64 *)&descriptor;
1913
1914 descriptor.HighPriority.RequestFlags =
1915 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1916 descriptor.HighPriority.MSIxIndex = 0;
1917 descriptor.HighPriority.SMID = cpu_to_le16(smid);
1918 descriptor.HighPriority.LMID = 0;
1919 descriptor.HighPriority.Reserved1 = 0;
1920 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1921 &ioc->scsi_lookup_lock);
1922}
1923
1924/**
1925 * mpt2sas_base_put_smid_default - Default, primarily used for config pages
1926 * @ioc: per adapter object
1927 * @smid: system request message index
1928 *
1929 * Return nothing.
1930 */
1931void
1932mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1933{
1934 Mpi2RequestDescriptorUnion_t descriptor;
1935 u64 *request = (u64 *)&descriptor;
1936
1937 descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1938 descriptor.Default.MSIxIndex = _base_get_msix_index(ioc);
1939 descriptor.Default.SMID = cpu_to_le16(smid);
1940 descriptor.Default.LMID = 0;
1941 descriptor.Default.DescriptorTypeDependent = 0;
1942 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1943 &ioc->scsi_lookup_lock);
1944}
1945
1946/**
1947 * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware
1948 * @ioc: per adapter object
1949 * @smid: system request message index
1950 * @io_index: value used to track the IO
1951 *
1952 * Return nothing.
1953 */
1954void
1955mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1956 u16 io_index)
1957{
1958 Mpi2RequestDescriptorUnion_t descriptor;
1959 u64 *request = (u64 *)&descriptor;
1960
1961 descriptor.SCSITarget.RequestFlags =
1962 MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET;
1963 descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc);
1964 descriptor.SCSITarget.SMID = cpu_to_le16(smid);
1965 descriptor.SCSITarget.LMID = 0;
1966 descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index);
1967 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1968 &ioc->scsi_lookup_lock);
1969}
1970
1971/**
1972 * _base_display_dell_branding - Disply branding string
1973 * @ioc: per adapter object
1974 *
1975 * Return nothing.
1976 */
1977static void
1978_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc)
1979{
1980 char dell_branding[MPT2SAS_DELL_BRANDING_SIZE];
1981
1982 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
1983 return;
1984
1985 memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE);
1986 switch (ioc->pdev->subsystem_device) {
1987 case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
1988 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
1989 MPT2SAS_DELL_BRANDING_SIZE - 1);
1990 break;
1991 case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
1992 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
1993 MPT2SAS_DELL_BRANDING_SIZE - 1);
1994 break;
1995 case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
1996 strncpy(dell_branding,
1997 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING,
1998 MPT2SAS_DELL_BRANDING_SIZE - 1);
1999 break;
2000 case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
2001 strncpy(dell_branding,
2002 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING,
2003 MPT2SAS_DELL_BRANDING_SIZE - 1);
2004 break;
2005 case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
2006 strncpy(dell_branding,
2007 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING,
2008 MPT2SAS_DELL_BRANDING_SIZE - 1);
2009 break;
2010 case MPT2SAS_DELL_PERC_H200_SSDID:
2011 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
2012 MPT2SAS_DELL_BRANDING_SIZE - 1);
2013 break;
2014 case MPT2SAS_DELL_6GBPS_SAS_SSDID:
2015 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
2016 MPT2SAS_DELL_BRANDING_SIZE - 1);
2017 break;
2018 default:
2019 sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device);
2020 break;
2021 }
2022
2023 printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X),"
2024 " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding,
2025 ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor,
2026 ioc->pdev->subsystem_device);
2027}
2028
2029/**
2030 * _base_display_intel_branding - Display branding string
2031 * @ioc: per adapter object
2032 *
2033 * Return nothing.
2034 */
2035static void
2036_base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc)
2037{
2038 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
2039 return;
2040
2041 switch (ioc->pdev->device) {
2042 case MPI2_MFGPAGE_DEVID_SAS2008:
2043 switch (ioc->pdev->subsystem_device) {
2044 case MPT2SAS_INTEL_RMS2LL080_SSDID:
2045 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2046 MPT2SAS_INTEL_RMS2LL080_BRANDING);
2047 break;
2048 case MPT2SAS_INTEL_RMS2LL040_SSDID:
2049 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2050 MPT2SAS_INTEL_RMS2LL040_BRANDING);
2051 break;
2052 case MPT2SAS_INTEL_SSD910_SSDID:
2053 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2054 MPT2SAS_INTEL_SSD910_BRANDING);
2055 break;
2056 default:
2057 break;
2058 }
2059 case MPI2_MFGPAGE_DEVID_SAS2308_2:
2060 switch (ioc->pdev->subsystem_device) {
2061 case MPT2SAS_INTEL_RS25GB008_SSDID:
2062 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2063 MPT2SAS_INTEL_RS25GB008_BRANDING);
2064 break;
2065 case MPT2SAS_INTEL_RMS25JB080_SSDID:
2066 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2067 MPT2SAS_INTEL_RMS25JB080_BRANDING);
2068 break;
2069 case MPT2SAS_INTEL_RMS25JB040_SSDID:
2070 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2071 MPT2SAS_INTEL_RMS25JB040_BRANDING);
2072 break;
2073 case MPT2SAS_INTEL_RMS25KB080_SSDID:
2074 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2075 MPT2SAS_INTEL_RMS25KB080_BRANDING);
2076 break;
2077 case MPT2SAS_INTEL_RMS25KB040_SSDID:
2078 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2079 MPT2SAS_INTEL_RMS25KB040_BRANDING);
2080 break;
2081 case MPT2SAS_INTEL_RMS25LB040_SSDID:
2082 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2083 MPT2SAS_INTEL_RMS25LB040_BRANDING);
2084 break;
2085 case MPT2SAS_INTEL_RMS25LB080_SSDID:
2086 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2087 MPT2SAS_INTEL_RMS25LB080_BRANDING);
2088 break;
2089 default:
2090 break;
2091 }
2092 default:
2093 break;
2094 }
2095}
2096
2097/**
2098 * _base_display_hp_branding - Display branding string
2099 * @ioc: per adapter object
2100 *
2101 * Return nothing.
2102 */
2103static void
2104_base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc)
2105{
2106 if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID)
2107 return;
2108
2109 switch (ioc->pdev->device) {
2110 case MPI2_MFGPAGE_DEVID_SAS2004:
2111 switch (ioc->pdev->subsystem_device) {
2112 case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
2113 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2114 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
2115 break;
2116 default:
2117 break;
2118 }
2119 case MPI2_MFGPAGE_DEVID_SAS2308_2:
2120 switch (ioc->pdev->subsystem_device) {
2121 case MPT2SAS_HP_2_4_INTERNAL_SSDID:
2122 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2123 MPT2SAS_HP_2_4_INTERNAL_BRANDING);
2124 break;
2125 case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
2126 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2127 MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
2128 break;
2129 case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
2130 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2131 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
2132 break;
2133 case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
2134 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2135 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
2136 break;
2137 default:
2138 break;
2139 }
2140 default:
2141 break;
2142 }
2143}
2144
2145/**
2146 * _base_display_ioc_capabilities - Disply IOC's capabilities.
2147 * @ioc: per adapter object
2148 *
2149 * Return nothing.
2150 */
2151static void
2152_base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
2153{
2154 int i = 0;
2155 char desc[16];
2156 u32 iounit_pg1_flags;
2157 u32 bios_version;
2158
2159 bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2160 strncpy(desc, ioc->manu_pg0.ChipName, 16);
2161 printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "
2162 "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
2163 ioc->name, desc,
2164 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2165 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2166 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2167 ioc->facts.FWVersion.Word & 0x000000FF,
2168 ioc->pdev->revision,
2169 (bios_version & 0xFF000000) >> 24,
2170 (bios_version & 0x00FF0000) >> 16,
2171 (bios_version & 0x0000FF00) >> 8,
2172 bios_version & 0x000000FF);
2173
2174 _base_display_dell_branding(ioc);
2175 _base_display_intel_branding(ioc);
2176 _base_display_hp_branding(ioc);
2177
2178 printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name);
2179
2180 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
2181 printk("Initiator");
2182 i++;
2183 }
2184
2185 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
2186 printk("%sTarget", i ? "," : "");
2187 i++;
2188 }
2189
2190 i = 0;
2191 printk("), ");
2192 printk("Capabilities=(");
2193
2194 if (!ioc->hide_ir_msg) {
2195 if (ioc->facts.IOCCapabilities &
2196 MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
2197 printk("Raid");
2198 i++;
2199 }
2200 }
2201
2202 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
2203 printk("%sTLR", i ? "," : "");
2204 i++;
2205 }
2206
2207 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
2208 printk("%sMulticast", i ? "," : "");
2209 i++;
2210 }
2211
2212 if (ioc->facts.IOCCapabilities &
2213 MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
2214 printk("%sBIDI Target", i ? "," : "");
2215 i++;
2216 }
2217
2218 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
2219 printk("%sEEDP", i ? "," : "");
2220 i++;
2221 }
2222
2223 if (ioc->facts.IOCCapabilities &
2224 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
2225 printk("%sSnapshot Buffer", i ? "," : "");
2226 i++;
2227 }
2228
2229 if (ioc->facts.IOCCapabilities &
2230 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
2231 printk("%sDiag Trace Buffer", i ? "," : "");
2232 i++;
2233 }
2234
2235 if (ioc->facts.IOCCapabilities &
2236 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
2237 printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : "");
2238 i++;
2239 }
2240
2241 if (ioc->facts.IOCCapabilities &
2242 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
2243 printk("%sTask Set Full", i ? "," : "");
2244 i++;
2245 }
2246
2247 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2248 if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
2249 printk("%sNCQ", i ? "," : "");
2250 i++;
2251 }
2252
2253 printk(")\n");
2254}
2255
2256/**
2257 * mpt2sas_base_update_missing_delay - change the missing delay timers
2258 * @ioc: per adapter object
2259 * @device_missing_delay: amount of time till device is reported missing
2260 * @io_missing_delay: interval IO is returned when there is a missing device
2261 *
2262 * Return nothing.
2263 *
2264 * Passed on the command line, this function will modify the device missing
2265 * delay, as well as the io missing delay. This should be called at driver
2266 * load time.
2267 */
2268void
2269mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
2270 u16 device_missing_delay, u8 io_missing_delay)
2271{
2272 u16 dmd, dmd_new, dmd_orignal;
2273 u8 io_missing_delay_original;
2274 u16 sz;
2275 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
2276 Mpi2ConfigReply_t mpi_reply;
2277 u8 num_phys = 0;
2278 u16 ioc_status;
2279
2280 mpt2sas_config_get_number_hba_phys(ioc, &num_phys);
2281 if (!num_phys)
2282 return;
2283
2284 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
2285 sizeof(Mpi2SasIOUnit1PhyData_t));
2286 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
2287 if (!sas_iounit_pg1) {
2288 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2289 ioc->name, __FILE__, __LINE__, __func__);
2290 goto out;
2291 }
2292 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
2293 sas_iounit_pg1, sz))) {
2294 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2295 ioc->name, __FILE__, __LINE__, __func__);
2296 goto out;
2297 }
2298 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
2299 MPI2_IOCSTATUS_MASK;
2300 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2301 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2302 ioc->name, __FILE__, __LINE__, __func__);
2303 goto out;
2304 }
2305
2306 /* device missing delay */
2307 dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
2308 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2309 dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2310 else
2311 dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2312 dmd_orignal = dmd;
2313 if (device_missing_delay > 0x7F) {
2314 dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
2315 device_missing_delay;
2316 dmd = dmd / 16;
2317 dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
2318 } else
2319 dmd = device_missing_delay;
2320 sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
2321
2322 /* io missing delay */
2323 io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
2324 sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
2325
2326 if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
2327 sz)) {
2328 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2329 dmd_new = (dmd &
2330 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2331 else
2332 dmd_new =
2333 dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2334 printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), "
2335 "new(%d)\n", ioc->name, dmd_orignal, dmd_new);
2336 printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), "
2337 "new(%d)\n", ioc->name, io_missing_delay_original,
2338 io_missing_delay);
2339 ioc->device_missing_delay = dmd_new;
2340 ioc->io_missing_delay = io_missing_delay;
2341 }
2342
2343out:
2344 kfree(sas_iounit_pg1);
2345}
2346
2347/**
2348 * _base_static_config_pages - static start of day config pages
2349 * @ioc: per adapter object
2350 *
2351 * Return nothing.
2352 */
2353static void
2354_base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
2355{
2356 Mpi2ConfigReply_t mpi_reply;
2357 u32 iounit_pg1_flags;
2358
2359 mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
2360 if (ioc->ir_firmware)
2361 mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
2362 &ioc->manu_pg10);
2363 mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
2364 mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
2365 mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
2366 mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
2367 mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
2368 mpt2sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
2369 _base_display_ioc_capabilities(ioc);
2370
2371 /*
2372 * Enable task_set_full handling in iounit_pg1 when the
2373 * facts capabilities indicate that its supported.
2374 */
2375 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2376 if ((ioc->facts.IOCCapabilities &
2377 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
2378 iounit_pg1_flags &=
2379 ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
2380 else
2381 iounit_pg1_flags |=
2382 MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
2383 ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
2384 mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
2385
2386 if (ioc->iounit_pg8.NumSensors)
2387 ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors;
2388}
2389
2390/**
2391 * _base_release_memory_pools - release memory
2392 * @ioc: per adapter object
2393 *
2394 * Free memory allocated from _base_allocate_memory_pools.
2395 *
2396 * Return nothing.
2397 */
2398static void
2399_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
2400{
2401 int i = 0;
2402 struct reply_post_struct *rps;
2403
2404 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2405 __func__));
2406
2407 if (ioc->request) {
2408 pci_free_consistent(ioc->pdev, ioc->request_dma_sz,
2409 ioc->request, ioc->request_dma);
2410 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)"
2411 ": free\n", ioc->name, ioc->request));
2412 ioc->request = NULL;
2413 }
2414
2415 if (ioc->sense) {
2416 pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
2417 if (ioc->sense_dma_pool)
2418 pci_pool_destroy(ioc->sense_dma_pool);
2419 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)"
2420 ": free\n", ioc->name, ioc->sense));
2421 ioc->sense = NULL;
2422 }
2423
2424 if (ioc->reply) {
2425 pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
2426 if (ioc->reply_dma_pool)
2427 pci_pool_destroy(ioc->reply_dma_pool);
2428 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)"
2429 ": free\n", ioc->name, ioc->reply));
2430 ioc->reply = NULL;
2431 }
2432
2433 if (ioc->reply_free) {
2434 pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
2435 ioc->reply_free_dma);
2436 if (ioc->reply_free_dma_pool)
2437 pci_pool_destroy(ioc->reply_free_dma_pool);
2438 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool"
2439 "(0x%p): free\n", ioc->name, ioc->reply_free));
2440 ioc->reply_free = NULL;
2441 }
2442
2443 if (ioc->reply_post) {
2444 do {
2445 rps = &ioc->reply_post[i];
2446 if (rps->reply_post_free) {
2447 pci_pool_free(
2448 ioc->reply_post_free_dma_pool,
2449 rps->reply_post_free,
2450 rps->reply_post_free_dma);
2451 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
2452 "reply_post_free_pool(0x%p): free\n",
2453 ioc->name, rps->reply_post_free));
2454 rps->reply_post_free = NULL;
2455 }
2456 } while (ioc->rdpq_array_enable &&
2457 (++i < ioc->reply_queue_count));
2458
2459 if (ioc->reply_post_free_dma_pool)
2460 pci_pool_destroy(ioc->reply_post_free_dma_pool);
2461 kfree(ioc->reply_post);
2462 }
2463
2464 if (ioc->config_page) {
2465 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
2466 "config_page(0x%p): free\n", ioc->name,
2467 ioc->config_page));
2468 pci_free_consistent(ioc->pdev, ioc->config_page_sz,
2469 ioc->config_page, ioc->config_page_dma);
2470 }
2471
2472 if (ioc->scsi_lookup) {
2473 free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
2474 ioc->scsi_lookup = NULL;
2475 }
2476 kfree(ioc->hpr_lookup);
2477 kfree(ioc->internal_lookup);
2478 if (ioc->chain_lookup) {
2479 for (i = 0; i < ioc->chain_depth; i++) {
2480 if (ioc->chain_lookup[i].chain_buffer)
2481 pci_pool_free(ioc->chain_dma_pool,
2482 ioc->chain_lookup[i].chain_buffer,
2483 ioc->chain_lookup[i].chain_buffer_dma);
2484 }
2485 if (ioc->chain_dma_pool)
2486 pci_pool_destroy(ioc->chain_dma_pool);
2487 free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
2488 ioc->chain_lookup = NULL;
2489 }
2490}
2491
2492
2493/**
2494 * _base_allocate_memory_pools - allocate start of day memory pools
2495 * @ioc: per adapter object
2496 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2497 *
2498 * Returns 0 success, anything else error
2499 */
2500static int
2501_base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
2502{
2503 struct mpt2sas_facts *facts;
2504 u16 max_sge_elements;
2505 u16 chains_needed_per_io;
2506 u32 sz, total_sz, reply_post_free_sz;
2507 u32 retry_sz;
2508 u16 max_request_credit;
2509 int i;
2510
2511 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2512 __func__));
2513
2514 retry_sz = 0;
2515 facts = &ioc->facts;
2516
2517 /* command line tunables for max sgl entries */
2518 if (max_sgl_entries != -1) {
2519 ioc->shost->sg_tablesize = min_t(unsigned short,
2520 max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS);
2521 if (ioc->shost->sg_tablesize > MPT2SAS_SG_DEPTH)
2522 printk(MPT2SAS_WARN_FMT
2523 "sg_tablesize(%u) is bigger than kernel defined"
2524 " SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name,
2525 ioc->shost->sg_tablesize, MPT2SAS_SG_DEPTH);
2526 } else {
2527 ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH;
2528 }
2529
2530 /* command line tunables for max controller queue depth */
2531 if (max_queue_depth != -1 && max_queue_depth != 0) {
2532 max_request_credit = min_t(u16, max_queue_depth +
2533 ioc->hi_priority_depth + ioc->internal_depth,
2534 facts->RequestCredit);
2535 if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
2536 max_request_credit = MAX_HBA_QUEUE_DEPTH;
2537 } else
2538 max_request_credit = min_t(u16, facts->RequestCredit,
2539 MAX_HBA_QUEUE_DEPTH);
2540
2541 ioc->hba_queue_depth = max_request_credit;
2542 ioc->hi_priority_depth = facts->HighPriorityCredit;
2543 ioc->internal_depth = ioc->hi_priority_depth + 5;
2544
2545 /* request frame size */
2546 ioc->request_sz = facts->IOCRequestFrameSize * 4;
2547
2548 /* reply frame size */
2549 ioc->reply_sz = facts->ReplyFrameSize * 4;
2550
2551 retry_allocation:
2552 total_sz = 0;
2553 /* calculate number of sg elements left over in the 1st frame */
2554 max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
2555 sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size);
2556 ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size;
2557
2558 /* now do the same for a chain buffer */
2559 max_sge_elements = ioc->request_sz - ioc->sge_size;
2560 ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size;
2561
2562 ioc->chain_offset_value_for_main_message =
2563 ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) +
2564 (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4;
2565
2566 /*
2567 * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
2568 */
2569 chains_needed_per_io = ((ioc->shost->sg_tablesize -
2570 ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
2571 + 1;
2572 if (chains_needed_per_io > facts->MaxChainDepth) {
2573 chains_needed_per_io = facts->MaxChainDepth;
2574 ioc->shost->sg_tablesize = min_t(u16,
2575 ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
2576 * chains_needed_per_io), ioc->shost->sg_tablesize);
2577 }
2578 ioc->chains_needed_per_io = chains_needed_per_io;
2579
2580 /* reply free queue sizing - taking into account for 64 FW events */
2581 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
2582
2583 /* calculate reply descriptor post queue depth */
2584 ioc->reply_post_queue_depth = ioc->hba_queue_depth +
2585 ioc->reply_free_queue_depth + 1;
2586 /* align the reply post queue on the next 16 count boundary */
2587 if (ioc->reply_post_queue_depth % 16)
2588 ioc->reply_post_queue_depth += 16 -
2589 (ioc->reply_post_queue_depth % 16);
2590
2591
2592 if (ioc->reply_post_queue_depth >
2593 facts->MaxReplyDescriptorPostQueueDepth) {
2594 ioc->reply_post_queue_depth =
2595 facts->MaxReplyDescriptorPostQueueDepth -
2596 (facts->MaxReplyDescriptorPostQueueDepth % 16);
2597 ioc->hba_queue_depth =
2598 ((ioc->reply_post_queue_depth - 64) / 2) - 1;
2599 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
2600 }
2601
2602 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: "
2603 "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
2604 "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message,
2605 ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize,
2606 ioc->chains_needed_per_io));
2607
2608 /* reply post queue, 16 byte align */
2609 reply_post_free_sz = ioc->reply_post_queue_depth *
2610 sizeof(Mpi2DefaultReplyDescriptor_t);
2611
2612 sz = reply_post_free_sz;
2613 if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable)
2614 sz *= ioc->reply_queue_count;
2615
2616 ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ?
2617 (ioc->reply_queue_count):1,
2618 sizeof(struct reply_post_struct), GFP_KERNEL);
2619
2620 if (!ioc->reply_post) {
2621 printk(MPT2SAS_ERR_FMT "reply_post_free pool: kcalloc failed\n",
2622 ioc->name);
2623 goto out;
2624 }
2625 ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
2626 ioc->pdev, sz, 16, 0);
2627 if (!ioc->reply_post_free_dma_pool) {
2628 printk(MPT2SAS_ERR_FMT
2629 "reply_post_free pool: pci_pool_create failed\n",
2630 ioc->name);
2631 goto out;
2632 }
2633 i = 0;
2634 do {
2635 ioc->reply_post[i].reply_post_free =
2636 pci_pool_alloc(ioc->reply_post_free_dma_pool,
2637 GFP_KERNEL,
2638 &ioc->reply_post[i].reply_post_free_dma);
2639 if (!ioc->reply_post[i].reply_post_free) {
2640 printk(MPT2SAS_ERR_FMT
2641 "reply_post_free pool: pci_pool_alloc failed\n",
2642 ioc->name);
2643 goto out;
2644 }
2645 memset(ioc->reply_post[i].reply_post_free, 0, sz);
2646 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
2647 "reply post free pool (0x%p): depth(%d),"
2648 "element_size(%d), pool_size(%d kB)\n", ioc->name,
2649 ioc->reply_post[i].reply_post_free,
2650 ioc->reply_post_queue_depth, 8, sz/1024));
2651 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
2652 "reply_post_free_dma = (0x%llx)\n", ioc->name,
2653 (unsigned long long)
2654 ioc->reply_post[i].reply_post_free_dma));
2655 total_sz += sz;
2656 } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count));
2657
2658 if (ioc->dma_mask == 64) {
2659 if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) {
2660 printk(MPT2SAS_WARN_FMT
2661 "no suitable consistent DMA mask for %s\n",
2662 ioc->name, pci_name(ioc->pdev));
2663 goto out;
2664 }
2665 }
2666
2667 ioc->scsiio_depth = ioc->hba_queue_depth -
2668 ioc->hi_priority_depth - ioc->internal_depth;
2669
2670 /* set the scsi host can_queue depth
2671 * with some internal commands that could be outstanding
2672 */
2673 ioc->shost->can_queue = ioc->scsiio_depth;
2674 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "
2675 "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));
2676
2677 /* contiguous pool for request and chains, 16 byte align, one extra "
2678 * "frame for smid=0
2679 */
2680 ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
2681 sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
2682
2683 /* hi-priority queue */
2684 sz += (ioc->hi_priority_depth * ioc->request_sz);
2685
2686 /* internal queue */
2687 sz += (ioc->internal_depth * ioc->request_sz);
2688
2689 ioc->request_dma_sz = sz;
2690 ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma);
2691 if (!ioc->request) {
2692 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
2693 "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2694 "total(%d kB)\n", ioc->name, ioc->hba_queue_depth,
2695 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
2696 if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH)
2697 goto out;
2698 retry_sz += 64;
2699 ioc->hba_queue_depth = max_request_credit - retry_sz;
2700 goto retry_allocation;
2701 }
2702
2703 if (retry_sz)
2704 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
2705 "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2706 "total(%d kb)\n", ioc->name, ioc->hba_queue_depth,
2707 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
2708
2709
2710 /* hi-priority queue */
2711 ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
2712 ioc->request_sz);
2713 ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
2714 ioc->request_sz);
2715
2716 /* internal queue */
2717 ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
2718 ioc->request_sz);
2719 ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
2720 ioc->request_sz);
2721
2722
2723 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): "
2724 "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
2725 ioc->request, ioc->hba_queue_depth, ioc->request_sz,
2726 (ioc->hba_queue_depth * ioc->request_sz)/1024));
2727 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n",
2728 ioc->name, (unsigned long long) ioc->request_dma));
2729 total_sz += sz;
2730
2731 sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker);
2732 ioc->scsi_lookup_pages = get_order(sz);
2733 ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages(
2734 GFP_KERNEL, ioc->scsi_lookup_pages);
2735 if (!ioc->scsi_lookup) {
2736 printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, "
2737 "sz(%d)\n", ioc->name, (int)sz);
2738 goto out;
2739 }
2740
2741 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): "
2742 "depth(%d)\n", ioc->name, ioc->request,
2743 ioc->scsiio_depth));
2744
2745 ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
2746 sz = ioc->chain_depth * sizeof(struct chain_tracker);
2747 ioc->chain_pages = get_order(sz);
2748
2749 ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
2750 GFP_KERNEL, ioc->chain_pages);
2751 if (!ioc->chain_lookup) {
2752 printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, "
2753 "sz(%d)\n", ioc->name, (int)sz);
2754 goto out;
2755 }
2756 ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
2757 ioc->request_sz, 16, 0);
2758 if (!ioc->chain_dma_pool) {
2759 printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create "
2760 "failed\n", ioc->name);
2761 goto out;
2762 }
2763 for (i = 0; i < ioc->chain_depth; i++) {
2764 ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
2765 ioc->chain_dma_pool , GFP_KERNEL,
2766 &ioc->chain_lookup[i].chain_buffer_dma);
2767 if (!ioc->chain_lookup[i].chain_buffer) {
2768 ioc->chain_depth = i;
2769 goto chain_done;
2770 }
2771 total_sz += ioc->request_sz;
2772 }
2773chain_done:
2774 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth"
2775 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
2776 ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
2777 ioc->request_sz))/1024));
2778
2779 /* initialize hi-priority queue smid's */
2780 ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
2781 sizeof(struct request_tracker), GFP_KERNEL);
2782 if (!ioc->hpr_lookup) {
2783 printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n",
2784 ioc->name);
2785 goto out;
2786 }
2787 ioc->hi_priority_smid = ioc->scsiio_depth + 1;
2788 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): "
2789 "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority,
2790 ioc->hi_priority_depth, ioc->hi_priority_smid));
2791
2792 /* initialize internal queue smid's */
2793 ioc->internal_lookup = kcalloc(ioc->internal_depth,
2794 sizeof(struct request_tracker), GFP_KERNEL);
2795 if (!ioc->internal_lookup) {
2796 printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n",
2797 ioc->name);
2798 goto out;
2799 }
2800 ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
2801 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): "
2802 "depth(%d), start smid(%d)\n", ioc->name, ioc->internal,
2803 ioc->internal_depth, ioc->internal_smid));
2804
2805 /* sense buffers, 4 byte align */
2806 sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
2807 ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
2808 0);
2809 if (!ioc->sense_dma_pool) {
2810 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n",
2811 ioc->name);
2812 goto out;
2813 }
2814 ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
2815 &ioc->sense_dma);
2816 if (!ioc->sense) {
2817 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n",
2818 ioc->name);
2819 goto out;
2820 }
2821 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
2822 "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
2823 "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth,
2824 SCSI_SENSE_BUFFERSIZE, sz/1024));
2825 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n",
2826 ioc->name, (unsigned long long)ioc->sense_dma));
2827 total_sz += sz;
2828
2829 /* reply pool, 4 byte align */
2830 sz = ioc->reply_free_queue_depth * ioc->reply_sz;
2831 ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
2832 0);
2833 if (!ioc->reply_dma_pool) {
2834 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n",
2835 ioc->name);
2836 goto out;
2837 }
2838 ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
2839 &ioc->reply_dma);
2840 if (!ioc->reply) {
2841 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n",
2842 ioc->name);
2843 goto out;
2844 }
2845 ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
2846 ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
2847 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
2848 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
2849 ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
2850 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n",
2851 ioc->name, (unsigned long long)ioc->reply_dma));
2852 total_sz += sz;
2853
2854 /* reply free queue, 16 byte align */
2855 sz = ioc->reply_free_queue_depth * 4;
2856 ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
2857 ioc->pdev, sz, 16, 0);
2858 if (!ioc->reply_free_dma_pool) {
2859 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create "
2860 "failed\n", ioc->name);
2861 goto out;
2862 }
2863 ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
2864 &ioc->reply_free_dma);
2865 if (!ioc->reply_free) {
2866 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc "
2867 "failed\n", ioc->name);
2868 goto out;
2869 }
2870 memset(ioc->reply_free, 0, sz);
2871 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): "
2872 "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name,
2873 ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024));
2874 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma"
2875 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma));
2876 total_sz += sz;
2877
2878 ioc->config_page_sz = 512;
2879 ioc->config_page = pci_alloc_consistent(ioc->pdev,
2880 ioc->config_page_sz, &ioc->config_page_dma);
2881 if (!ioc->config_page) {
2882 printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc "
2883 "failed\n", ioc->name);
2884 goto out;
2885 }
2886 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size"
2887 "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz));
2888 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma"
2889 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma));
2890 total_sz += ioc->config_page_sz;
2891
2892 printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n",
2893 ioc->name, total_sz/1024);
2894 printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), "
2895 "Max Controller Queue Depth(%d)\n",
2896 ioc->name, ioc->shost->can_queue, facts->RequestCredit);
2897 printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n",
2898 ioc->name, ioc->shost->sg_tablesize);
2899 return 0;
2900
2901 out:
2902 return -ENOMEM;
2903}
2904
2905
2906/**
2907 * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter.
2908 * @ioc: Pointer to MPT_ADAPTER structure
2909 * @cooked: Request raw or cooked IOC state
2910 *
2911 * Returns all IOC Doorbell register bits if cooked==0, else just the
2912 * Doorbell bits in MPI_IOC_STATE_MASK.
2913 */
2914u32
2915mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked)
2916{
2917 u32 s, sc;
2918
2919 s = readl(&ioc->chip->Doorbell);
2920 sc = s & MPI2_IOC_STATE_MASK;
2921 return cooked ? sc : s;
2922}
2923
2924/**
2925 * _base_wait_on_iocstate - waiting on a particular ioc state
2926 * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
2927 * @timeout: timeout in second
2928 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2929 *
2930 * Returns 0 for success, non-zero for failure.
2931 */
2932static int
2933_base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout,
2934 int sleep_flag)
2935{
2936 u32 count, cntdn;
2937 u32 current_state;
2938
2939 count = 0;
2940 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2941 do {
2942 current_state = mpt2sas_base_get_iocstate(ioc, 1);
2943 if (current_state == ioc_state)
2944 return 0;
2945 if (count && current_state == MPI2_IOC_STATE_FAULT)
2946 break;
2947 if (sleep_flag == CAN_SLEEP)
2948 msleep(1);
2949 else
2950 udelay(500);
2951 count++;
2952 } while (--cntdn);
2953
2954 return current_state;
2955}
2956
2957/**
2958 * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
2959 * a write to the doorbell)
2960 * @ioc: per adapter object
2961 * @timeout: timeout in second
2962 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2963 *
2964 * Returns 0 for success, non-zero for failure.
2965 *
2966 * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
2967 */
2968static int
2969_base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout,
2970 int sleep_flag)
2971{
2972 u32 cntdn, count;
2973 u32 int_status;
2974
2975 count = 0;
2976 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2977 do {
2978 int_status = readl(&ioc->chip->HostInterruptStatus);
2979 if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
2980 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2981 "successful count(%d), timeout(%d)\n", ioc->name,
2982 __func__, count, timeout));
2983 return 0;
2984 }
2985 if (sleep_flag == CAN_SLEEP)
2986 msleep(1);
2987 else
2988 udelay(500);
2989 count++;
2990 } while (--cntdn);
2991
2992 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2993 "int_status(%x)!\n", ioc->name, __func__, count, int_status);
2994 return -EFAULT;
2995}
2996
2997/**
2998 * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
2999 * @ioc: per adapter object
3000 * @timeout: timeout in second
3001 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3002 *
3003 * Returns 0 for success, non-zero for failure.
3004 *
3005 * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
3006 * doorbell.
3007 */
3008static int
3009_base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout,
3010 int sleep_flag)
3011{
3012 u32 cntdn, count;
3013 u32 int_status;
3014 u32 doorbell;
3015
3016 count = 0;
3017 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
3018 do {
3019 int_status = readl(&ioc->chip->HostInterruptStatus);
3020 if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
3021 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
3022 "successful count(%d), timeout(%d)\n", ioc->name,
3023 __func__, count, timeout));
3024 return 0;
3025 } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
3026 doorbell = readl(&ioc->chip->Doorbell);
3027 if ((doorbell & MPI2_IOC_STATE_MASK) ==
3028 MPI2_IOC_STATE_FAULT) {
3029 mpt2sas_base_fault_info(ioc , doorbell);
3030 return -EFAULT;
3031 }
3032 } else if (int_status == 0xFFFFFFFF)
3033 goto out;
3034
3035 if (sleep_flag == CAN_SLEEP)
3036 msleep(1);
3037 else
3038 udelay(500);
3039 count++;
3040 } while (--cntdn);
3041
3042 out:
3043 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
3044 "int_status(%x)!\n", ioc->name, __func__, count, int_status);
3045 return -EFAULT;
3046}
3047
3048/**
3049 * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
3050 * @ioc: per adapter object
3051 * @timeout: timeout in second
3052 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3053 *
3054 * Returns 0 for success, non-zero for failure.
3055 *
3056 */
3057static int
3058_base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout,
3059 int sleep_flag)
3060{
3061 u32 cntdn, count;
3062 u32 doorbell_reg;
3063
3064 count = 0;
3065 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
3066 do {
3067 doorbell_reg = readl(&ioc->chip->Doorbell);
3068 if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
3069 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
3070 "successful count(%d), timeout(%d)\n", ioc->name,
3071 __func__, count, timeout));
3072 return 0;
3073 }
3074 if (sleep_flag == CAN_SLEEP)
3075 msleep(1);
3076 else
3077 udelay(500);
3078 count++;
3079 } while (--cntdn);
3080
3081 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
3082 "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg);
3083 return -EFAULT;
3084}
3085
3086/**
3087 * _base_send_ioc_reset - send doorbell reset
3088 * @ioc: per adapter object
3089 * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
3090 * @timeout: timeout in second
3091 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3092 *
3093 * Returns 0 for success, non-zero for failure.
3094 */
3095static int
3096_base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout,
3097 int sleep_flag)
3098{
3099 u32 ioc_state;
3100 int r = 0;
3101
3102 if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
3103 printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n",
3104 ioc->name, __func__);
3105 return -EFAULT;
3106 }
3107
3108 if (!(ioc->facts.IOCCapabilities &
3109 MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
3110 return -EFAULT;
3111
3112 printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name);
3113
3114 writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
3115 &ioc->chip->Doorbell);
3116 if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) {
3117 r = -EFAULT;
3118 goto out;
3119 }
3120 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
3121 timeout, sleep_flag);
3122 if (ioc_state) {
3123 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
3124 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
3125 r = -EFAULT;
3126 goto out;
3127 }
3128 out:
3129 printk(MPT2SAS_INFO_FMT "message unit reset: %s\n",
3130 ioc->name, ((r == 0) ? "SUCCESS" : "FAILED"));
3131 return r;
3132}
3133
3134/**
3135 * _base_handshake_req_reply_wait - send request thru doorbell interface
3136 * @ioc: per adapter object
3137 * @request_bytes: request length
3138 * @request: pointer having request payload
3139 * @reply_bytes: reply length
3140 * @reply: pointer to reply payload
3141 * @timeout: timeout in second
3142 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3143 *
3144 * Returns 0 for success, non-zero for failure.
3145 */
3146static int
3147_base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes,
3148 u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag)
3149{
3150 MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
3151 int i;
3152 u8 failed;
3153 u16 dummy;
3154 __le32 *mfp;
3155
3156 /* make sure doorbell is not in use */
3157 if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
3158 printk(MPT2SAS_ERR_FMT "doorbell is in use "
3159 " (line=%d)\n", ioc->name, __LINE__);
3160 return -EFAULT;
3161 }
3162
3163 /* clear pending doorbell interrupts from previous state changes */
3164 if (readl(&ioc->chip->HostInterruptStatus) &
3165 MPI2_HIS_IOC2SYS_DB_STATUS)
3166 writel(0, &ioc->chip->HostInterruptStatus);
3167
3168 /* send message to ioc */
3169 writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
3170 ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
3171 &ioc->chip->Doorbell);
3172
3173 if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) {
3174 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3175 "int failed (line=%d)\n", ioc->name, __LINE__);
3176 return -EFAULT;
3177 }
3178 writel(0, &ioc->chip->HostInterruptStatus);
3179
3180 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) {
3181 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3182 "ack failed (line=%d)\n", ioc->name, __LINE__);
3183 return -EFAULT;
3184 }
3185
3186 /* send message 32-bits at a time */
3187 for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
3188 writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
3189 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag)))
3190 failed = 1;
3191 }
3192
3193 if (failed) {
3194 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3195 "sending request failed (line=%d)\n", ioc->name, __LINE__);
3196 return -EFAULT;
3197 }
3198
3199 /* now wait for the reply */
3200 if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) {
3201 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3202 "int failed (line=%d)\n", ioc->name, __LINE__);
3203 return -EFAULT;
3204 }
3205
3206 /* read the first two 16-bits, it gives the total length of the reply */
3207 reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3208 & MPI2_DOORBELL_DATA_MASK);
3209 writel(0, &ioc->chip->HostInterruptStatus);
3210 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3211 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3212 "int failed (line=%d)\n", ioc->name, __LINE__);
3213 return -EFAULT;
3214 }
3215 reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3216 & MPI2_DOORBELL_DATA_MASK);
3217 writel(0, &ioc->chip->HostInterruptStatus);
3218
3219 for (i = 2; i < default_reply->MsgLength * 2; i++) {
3220 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3221 printk(MPT2SAS_ERR_FMT "doorbell "
3222 "handshake int failed (line=%d)\n", ioc->name,
3223 __LINE__);
3224 return -EFAULT;
3225 }
3226 if (i >= reply_bytes/2) /* overflow case */
3227 dummy = readl(&ioc->chip->Doorbell);
3228 else
3229 reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3230 & MPI2_DOORBELL_DATA_MASK);
3231 writel(0, &ioc->chip->HostInterruptStatus);
3232 }
3233
3234 _base_wait_for_doorbell_int(ioc, 5, sleep_flag);
3235 if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) {
3236 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use "
3237 " (line=%d)\n", ioc->name, __LINE__));
3238 }
3239 writel(0, &ioc->chip->HostInterruptStatus);
3240
3241 if (ioc->logging_level & MPT_DEBUG_INIT) {
3242 mfp = (__le32 *)reply;
3243 printk(KERN_INFO "\toffset:data\n");
3244 for (i = 0; i < reply_bytes/4; i++)
3245 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
3246 le32_to_cpu(mfp[i]));
3247 }
3248 return 0;
3249}
3250
3251/**
3252 * mpt2sas_base_sas_iounit_control - send sas iounit control to FW
3253 * @ioc: per adapter object
3254 * @mpi_reply: the reply payload from FW
3255 * @mpi_request: the request payload sent to FW
3256 *
3257 * The SAS IO Unit Control Request message allows the host to perform low-level
3258 * operations, such as resets on the PHYs of the IO Unit, also allows the host
3259 * to obtain the IOC assigned device handles for a device if it has other
3260 * identifying information about the device, in addition allows the host to
3261 * remove IOC resources associated with the device.
3262 *
3263 * Returns 0 for success, non-zero for failure.
3264 */
3265int
3266mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
3267 Mpi2SasIoUnitControlReply_t *mpi_reply,
3268 Mpi2SasIoUnitControlRequest_t *mpi_request)
3269{
3270 u16 smid;
3271 u32 ioc_state;
3272 unsigned long timeleft;
3273 bool issue_reset = false;
3274 int rc;
3275 void *request;
3276 u16 wait_state_count;
3277
3278 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3279 __func__));
3280
3281 mutex_lock(&ioc->base_cmds.mutex);
3282
3283 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
3284 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
3285 ioc->name, __func__);
3286 rc = -EAGAIN;
3287 goto out;
3288 }
3289
3290 wait_state_count = 0;
3291 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3292 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3293 if (wait_state_count++ == 10) {
3294 printk(MPT2SAS_ERR_FMT
3295 "%s: failed due to ioc not operational\n",
3296 ioc->name, __func__);
3297 rc = -EFAULT;
3298 goto out;
3299 }
3300 ssleep(1);
3301 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3302 printk(MPT2SAS_INFO_FMT "%s: waiting for "
3303 "operational state(count=%d)\n", ioc->name,
3304 __func__, wait_state_count);
3305 }
3306
3307 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3308 if (!smid) {
3309 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3310 ioc->name, __func__);
3311 rc = -EAGAIN;
3312 goto out;
3313 }
3314
3315 rc = 0;
3316 ioc->base_cmds.status = MPT2_CMD_PENDING;
3317 request = mpt2sas_base_get_msg_frame(ioc, smid);
3318 ioc->base_cmds.smid = smid;
3319 memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
3320 if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
3321 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
3322 ioc->ioc_link_reset_in_progress = 1;
3323 init_completion(&ioc->base_cmds.done);
3324 mpt2sas_base_put_smid_default(ioc, smid);
3325 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
3326 msecs_to_jiffies(10000));
3327 if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
3328 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
3329 ioc->ioc_link_reset_in_progress)
3330 ioc->ioc_link_reset_in_progress = 0;
3331 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3332 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3333 ioc->name, __func__);
3334 _debug_dump_mf(mpi_request,
3335 sizeof(Mpi2SasIoUnitControlRequest_t)/4);
3336 if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
3337 issue_reset = true;
3338 goto issue_host_reset;
3339 }
3340 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
3341 memcpy(mpi_reply, ioc->base_cmds.reply,
3342 sizeof(Mpi2SasIoUnitControlReply_t));
3343 else
3344 memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
3345 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3346 goto out;
3347
3348 issue_host_reset:
3349 if (issue_reset)
3350 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
3351 FORCE_BIG_HAMMER);
3352 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3353 rc = -EFAULT;
3354 out:
3355 mutex_unlock(&ioc->base_cmds.mutex);
3356 return rc;
3357}
3358
3359
3360/**
3361 * mpt2sas_base_scsi_enclosure_processor - sending request to sep device
3362 * @ioc: per adapter object
3363 * @mpi_reply: the reply payload from FW
3364 * @mpi_request: the request payload sent to FW
3365 *
3366 * The SCSI Enclosure Processor request message causes the IOC to
3367 * communicate with SES devices to control LED status signals.
3368 *
3369 * Returns 0 for success, non-zero for failure.
3370 */
3371int
3372mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
3373 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
3374{
3375 u16 smid;
3376 u32 ioc_state;
3377 unsigned long timeleft;
3378 bool issue_reset = false;
3379 int rc;
3380 void *request;
3381 u16 wait_state_count;
3382
3383 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3384 __func__));
3385
3386 mutex_lock(&ioc->base_cmds.mutex);
3387
3388 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
3389 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
3390 ioc->name, __func__);
3391 rc = -EAGAIN;
3392 goto out;
3393 }
3394
3395 wait_state_count = 0;
3396 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3397 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3398 if (wait_state_count++ == 10) {
3399 printk(MPT2SAS_ERR_FMT
3400 "%s: failed due to ioc not operational\n",
3401 ioc->name, __func__);
3402 rc = -EFAULT;
3403 goto out;
3404 }
3405 ssleep(1);
3406 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3407 printk(MPT2SAS_INFO_FMT "%s: waiting for "
3408 "operational state(count=%d)\n", ioc->name,
3409 __func__, wait_state_count);
3410 }
3411
3412 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3413 if (!smid) {
3414 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3415 ioc->name, __func__);
3416 rc = -EAGAIN;
3417 goto out;
3418 }
3419
3420 rc = 0;
3421 ioc->base_cmds.status = MPT2_CMD_PENDING;
3422 request = mpt2sas_base_get_msg_frame(ioc, smid);
3423 ioc->base_cmds.smid = smid;
3424 memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
3425 init_completion(&ioc->base_cmds.done);
3426 mpt2sas_base_put_smid_default(ioc, smid);
3427 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
3428 msecs_to_jiffies(10000));
3429 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3430 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3431 ioc->name, __func__);
3432 _debug_dump_mf(mpi_request,
3433 sizeof(Mpi2SepRequest_t)/4);
3434 if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
3435 issue_reset = true;
3436 goto issue_host_reset;
3437 }
3438 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
3439 memcpy(mpi_reply, ioc->base_cmds.reply,
3440 sizeof(Mpi2SepReply_t));
3441 else
3442 memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
3443 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3444 goto out;
3445
3446 issue_host_reset:
3447 if (issue_reset)
3448 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
3449 FORCE_BIG_HAMMER);
3450 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3451 rc = -EFAULT;
3452 out:
3453 mutex_unlock(&ioc->base_cmds.mutex);
3454 return rc;
3455}
3456
3457/**
3458 * _base_get_port_facts - obtain port facts reply and save in ioc
3459 * @ioc: per adapter object
3460 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3461 *
3462 * Returns 0 for success, non-zero for failure.
3463 */
3464static int
3465_base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag)
3466{
3467 Mpi2PortFactsRequest_t mpi_request;
3468 Mpi2PortFactsReply_t mpi_reply;
3469 struct mpt2sas_port_facts *pfacts;
3470 int mpi_reply_sz, mpi_request_sz, r;
3471
3472 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3473 __func__));
3474
3475 mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
3476 mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
3477 memset(&mpi_request, 0, mpi_request_sz);
3478 mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
3479 mpi_request.PortNumber = port;
3480 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
3481 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
3482
3483 if (r != 0) {
3484 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3485 ioc->name, __func__, r);
3486 return r;
3487 }
3488
3489 pfacts = &ioc->pfacts[port];
3490 memset(pfacts, 0, sizeof(struct mpt2sas_port_facts));
3491 pfacts->PortNumber = mpi_reply.PortNumber;
3492 pfacts->VP_ID = mpi_reply.VP_ID;
3493 pfacts->VF_ID = mpi_reply.VF_ID;
3494 pfacts->MaxPostedCmdBuffers =
3495 le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
3496
3497 return 0;
3498}
3499
3500/**
3501 * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL
3502 * @ioc: per adapter object
3503 * @timeout:
3504 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3505 *
3506 * Returns 0 for success, non-zero for failure.
3507 */
3508static int
3509_base_wait_for_iocstate(struct MPT2SAS_ADAPTER *ioc, int timeout,
3510 int sleep_flag)
3511{
3512 u32 ioc_state, doorbell;
3513 int rc;
3514
3515 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3516 __func__));
3517
3518 if (ioc->pci_error_recovery)
3519 return 0;
3520
3521 doorbell = mpt2sas_base_get_iocstate(ioc, 0);
3522 ioc_state = doorbell & MPI2_IOC_STATE_MASK;
3523 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n",
3524 ioc->name, __func__, ioc_state));
3525
3526 switch (ioc_state) {
3527 case MPI2_IOC_STATE_READY:
3528 case MPI2_IOC_STATE_OPERATIONAL:
3529 return 0;
3530 }
3531
3532 if (doorbell & MPI2_DOORBELL_USED) {
3533 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT
3534 "unexpected doorbell activ!e\n", ioc->name));
3535 goto issue_diag_reset;
3536 }
3537
3538 if (ioc_state == MPI2_IOC_STATE_FAULT) {
3539 mpt2sas_base_fault_info(ioc, doorbell &
3540 MPI2_DOORBELL_DATA_MASK);
3541 goto issue_diag_reset;
3542 }
3543
3544 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
3545 timeout, sleep_flag);
3546 if (ioc_state) {
3547 printk(MPT2SAS_ERR_FMT
3548 "%s: failed going to ready state (ioc_state=0x%x)\n",
3549 ioc->name, __func__, ioc_state);
3550 return -EFAULT;
3551 }
3552
3553 issue_diag_reset:
3554 rc = _base_diag_reset(ioc, sleep_flag);
3555 return rc;
3556}
3557
3558/**
3559 * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
3560 * @ioc: per adapter object
3561 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3562 *
3563 * Returns 0 for success, non-zero for failure.
3564 */
3565static int
3566_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3567{
3568 Mpi2IOCFactsRequest_t mpi_request;
3569 Mpi2IOCFactsReply_t mpi_reply;
3570 struct mpt2sas_facts *facts;
3571 int mpi_reply_sz, mpi_request_sz, r;
3572
3573 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3574 __func__));
3575
3576 r = _base_wait_for_iocstate(ioc, 10, sleep_flag);
3577 if (r) {
3578 printk(MPT2SAS_ERR_FMT "%s: failed getting to correct state\n",
3579 ioc->name, __func__);
3580 return r;
3581 }
3582
3583 mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
3584 mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
3585 memset(&mpi_request, 0, mpi_request_sz);
3586 mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
3587 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
3588 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
3589
3590 if (r != 0) {
3591 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3592 ioc->name, __func__, r);
3593 return r;
3594 }
3595
3596 facts = &ioc->facts;
3597 memset(facts, 0, sizeof(struct mpt2sas_facts));
3598 facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
3599 facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
3600 facts->VP_ID = mpi_reply.VP_ID;
3601 facts->VF_ID = mpi_reply.VF_ID;
3602 facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
3603 facts->MaxChainDepth = mpi_reply.MaxChainDepth;
3604 facts->WhoInit = mpi_reply.WhoInit;
3605 facts->NumberOfPorts = mpi_reply.NumberOfPorts;
3606 facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
3607 facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
3608 facts->MaxReplyDescriptorPostQueueDepth =
3609 le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
3610 facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
3611 facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
3612 if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
3613 ioc->ir_firmware = 1;
3614 if ((facts->IOCCapabilities &
3615 MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE))
3616 ioc->rdpq_array_capable = 1;
3617 facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
3618 facts->IOCRequestFrameSize =
3619 le16_to_cpu(mpi_reply.IOCRequestFrameSize);
3620 facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
3621 facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
3622 ioc->shost->max_id = -1;
3623 facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
3624 facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
3625 facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
3626 facts->HighPriorityCredit =
3627 le16_to_cpu(mpi_reply.HighPriorityCredit);
3628 facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
3629 facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
3630
3631 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), "
3632 "max chains per io(%d)\n", ioc->name, facts->RequestCredit,
3633 facts->MaxChainDepth));
3634 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), "
3635 "reply frame size(%d)\n", ioc->name,
3636 facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4));
3637 return 0;
3638}
3639
3640/**
3641 * _base_send_ioc_init - send ioc_init to firmware
3642 * @ioc: per adapter object
3643 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3644 *
3645 * Returns 0 for success, non-zero for failure.
3646 */
3647static int
3648_base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3649{
3650 Mpi2IOCInitRequest_t mpi_request;
3651 Mpi2IOCInitReply_t mpi_reply;
3652 int i, r = 0;
3653 struct timeval current_time;
3654 u16 ioc_status;
3655 u32 reply_post_free_array_sz = 0;
3656 Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL;
3657 dma_addr_t reply_post_free_array_dma;
3658
3659 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3660 __func__));
3661
3662 memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
3663 mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
3664 mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
3665 mpi_request.VF_ID = 0; /* TODO */
3666 mpi_request.VP_ID = 0;
3667 mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION);
3668 mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
3669
3670 if (_base_is_controller_msix_enabled(ioc))
3671 mpi_request.HostMSIxVectors = ioc->reply_queue_count;
3672 mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
3673 mpi_request.ReplyDescriptorPostQueueDepth =
3674 cpu_to_le16(ioc->reply_post_queue_depth);
3675 mpi_request.ReplyFreeQueueDepth =
3676 cpu_to_le16(ioc->reply_free_queue_depth);
3677
3678 mpi_request.SenseBufferAddressHigh =
3679 cpu_to_le32((u64)ioc->sense_dma >> 32);
3680 mpi_request.SystemReplyAddressHigh =
3681 cpu_to_le32((u64)ioc->reply_dma >> 32);
3682 mpi_request.SystemRequestFrameBaseAddress =
3683 cpu_to_le64((u64)ioc->request_dma);
3684 mpi_request.ReplyFreeQueueAddress =
3685 cpu_to_le64((u64)ioc->reply_free_dma);
3686
3687 if (ioc->rdpq_array_enable) {
3688 reply_post_free_array_sz = ioc->reply_queue_count *
3689 sizeof(Mpi2IOCInitRDPQArrayEntry);
3690 reply_post_free_array = pci_alloc_consistent(ioc->pdev,
3691 reply_post_free_array_sz, &reply_post_free_array_dma);
3692 if (!reply_post_free_array) {
3693 printk(MPT2SAS_ERR_FMT
3694 "reply_post_free_array: pci_alloc_consistent failed\n",
3695 ioc->name);
3696 r = -ENOMEM;
3697 goto out;
3698 }
3699 memset(reply_post_free_array, 0, reply_post_free_array_sz);
3700 for (i = 0; i < ioc->reply_queue_count; i++)
3701 reply_post_free_array[i].RDPQBaseAddress =
3702 cpu_to_le64(
3703 (u64)ioc->reply_post[i].reply_post_free_dma);
3704 mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE;
3705 mpi_request.ReplyDescriptorPostQueueAddress =
3706 cpu_to_le64((u64)reply_post_free_array_dma);
3707 } else {
3708 mpi_request.ReplyDescriptorPostQueueAddress =
3709 cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma);
3710 }
3711
3712 /* This time stamp specifies number of milliseconds
3713 * since epoch ~ midnight January 1, 1970.
3714 */
3715 do_gettimeofday(&current_time);
3716 mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 +
3717 (current_time.tv_usec / 1000));
3718
3719 if (ioc->logging_level & MPT_DEBUG_INIT) {
3720 __le32 *mfp;
3721 int i;
3722
3723 mfp = (__le32 *)&mpi_request;
3724 printk(KERN_INFO "\toffset:data\n");
3725 for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
3726 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
3727 le32_to_cpu(mfp[i]));
3728 }
3729
3730 r = _base_handshake_req_reply_wait(ioc,
3731 sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
3732 sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10,
3733 sleep_flag);
3734
3735 if (r != 0) {
3736 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3737 ioc->name, __func__, r);
3738 goto out;
3739 }
3740
3741 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
3742 if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
3743 mpi_reply.IOCLogInfo) {
3744 printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__);
3745 r = -EIO;
3746 }
3747
3748out:
3749 if (reply_post_free_array)
3750 pci_free_consistent(ioc->pdev, reply_post_free_array_sz,
3751 reply_post_free_array,
3752 reply_post_free_array_dma);
3753 return r;
3754}
3755
3756/**
3757 * mpt2sas_port_enable_done - command completion routine for port enable
3758 * @ioc: per adapter object
3759 * @smid: system request message index
3760 * @msix_index: MSIX table index supplied by the OS
3761 * @reply: reply message frame(lower 32bit addr)
3762 *
3763 * Return 1 meaning mf should be freed from _base_interrupt
3764 * 0 means the mf is freed from this function.
3765 */
3766u8
3767mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3768 u32 reply)
3769{
3770 MPI2DefaultReply_t *mpi_reply;
3771 u16 ioc_status;
3772
3773 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
3774 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
3775 return 1;
3776
3777 if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED)
3778 return 1;
3779
3780 ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE;
3781 if (mpi_reply) {
3782 ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID;
3783 memcpy(ioc->port_enable_cmds.reply, mpi_reply,
3784 mpi_reply->MsgLength*4);
3785 }
3786 ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING;
3787
3788 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
3789
3790 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
3791 ioc->port_enable_failed = 1;
3792
3793 if (ioc->is_driver_loading) {
3794 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
3795 mpt2sas_port_enable_complete(ioc);
3796 return 1;
3797 } else {
3798 ioc->start_scan_failed = ioc_status;
3799 ioc->start_scan = 0;
3800 return 1;
3801 }
3802 }
3803 complete(&ioc->port_enable_cmds.done);
3804 return 1;
3805}
3806
3807
3808/**
3809 * _base_send_port_enable - send port_enable(discovery stuff) to firmware
3810 * @ioc: per adapter object
3811 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3812 *
3813 * Returns 0 for success, non-zero for failure.
3814 */
3815static int
3816_base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3817{
3818 Mpi2PortEnableRequest_t *mpi_request;
3819 Mpi2PortEnableReply_t *mpi_reply;
3820 unsigned long timeleft;
3821 int r = 0;
3822 u16 smid;
3823 u16 ioc_status;
3824
3825 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
3826
3827 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
3828 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3829 ioc->name, __func__);
3830 return -EAGAIN;
3831 }
3832
3833 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
3834 if (!smid) {
3835 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3836 ioc->name, __func__);
3837 return -EAGAIN;
3838 }
3839
3840 ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
3841 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3842 ioc->port_enable_cmds.smid = smid;
3843 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
3844 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
3845
3846 init_completion(&ioc->port_enable_cmds.done);
3847 mpt2sas_base_put_smid_default(ioc, smid);
3848 timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done,
3849 300*HZ);
3850 if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) {
3851 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3852 ioc->name, __func__);
3853 _debug_dump_mf(mpi_request,
3854 sizeof(Mpi2PortEnableRequest_t)/4);
3855 if (ioc->port_enable_cmds.status & MPT2_CMD_RESET)
3856 r = -EFAULT;
3857 else
3858 r = -ETIME;
3859 goto out;
3860 }
3861 mpi_reply = ioc->port_enable_cmds.reply;
3862
3863 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
3864 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3865 printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n",
3866 ioc->name, __func__, ioc_status);
3867 r = -EFAULT;
3868 goto out;
3869 }
3870 out:
3871 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
3872 printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ?
3873 "SUCCESS" : "FAILED"));
3874 return r;
3875}
3876
3877/**
3878 * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply)
3879 * @ioc: per adapter object
3880 *
3881 * Returns 0 for success, non-zero for failure.
3882 */
3883int
3884mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc)
3885{
3886 Mpi2PortEnableRequest_t *mpi_request;
3887 u16 smid;
3888
3889 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
3890
3891 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
3892 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3893 ioc->name, __func__);
3894 return -EAGAIN;
3895 }
3896
3897 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
3898 if (!smid) {
3899 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3900 ioc->name, __func__);
3901 return -EAGAIN;
3902 }
3903
3904 ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
3905 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3906 ioc->port_enable_cmds.smid = smid;
3907 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
3908 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
3909
3910 mpt2sas_base_put_smid_default(ioc, smid);
3911 return 0;
3912}
3913
3914/**
3915 * _base_determine_wait_on_discovery - desposition
3916 * @ioc: per adapter object
3917 *
3918 * Decide whether to wait on discovery to complete. Used to either
3919 * locate boot device, or report volumes ahead of physical devices.
3920 *
3921 * Returns 1 for wait, 0 for don't wait
3922 */
3923static int
3924_base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc)
3925{
3926 /* We wait for discovery to complete if IR firmware is loaded.
3927 * The sas topology events arrive before PD events, so we need time to
3928 * turn on the bit in ioc->pd_handles to indicate PD
3929 * Also, it maybe required to report Volumes ahead of physical
3930 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
3931 */
3932 if (ioc->ir_firmware)
3933 return 1;
3934
3935 /* if no Bios, then we don't need to wait */
3936 if (!ioc->bios_pg3.BiosVersion)
3937 return 0;
3938
3939 /* Bios is present, then we drop down here.
3940 *
3941 * If there any entries in the Bios Page 2, then we wait
3942 * for discovery to complete.
3943 */
3944
3945 /* Current Boot Device */
3946 if ((ioc->bios_pg2.CurrentBootDeviceForm &
3947 MPI2_BIOSPAGE2_FORM_MASK) ==
3948 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
3949 /* Request Boot Device */
3950 (ioc->bios_pg2.ReqBootDeviceForm &
3951 MPI2_BIOSPAGE2_FORM_MASK) ==
3952 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
3953 /* Alternate Request Boot Device */
3954 (ioc->bios_pg2.ReqAltBootDeviceForm &
3955 MPI2_BIOSPAGE2_FORM_MASK) ==
3956 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
3957 return 0;
3958
3959 return 1;
3960}
3961
3962
3963/**
3964 * _base_unmask_events - turn on notification for this event
3965 * @ioc: per adapter object
3966 * @event: firmware event
3967 *
3968 * The mask is stored in ioc->event_masks.
3969 */
3970static void
3971_base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event)
3972{
3973 u32 desired_event;
3974
3975 if (event >= 128)
3976 return;
3977
3978 desired_event = (1 << (event % 32));
3979
3980 if (event < 32)
3981 ioc->event_masks[0] &= ~desired_event;
3982 else if (event < 64)
3983 ioc->event_masks[1] &= ~desired_event;
3984 else if (event < 96)
3985 ioc->event_masks[2] &= ~desired_event;
3986 else if (event < 128)
3987 ioc->event_masks[3] &= ~desired_event;
3988}
3989
3990/**
3991 * _base_event_notification - send event notification
3992 * @ioc: per adapter object
3993 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3994 *
3995 * Returns 0 for success, non-zero for failure.
3996 */
3997static int
3998_base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3999{
4000 Mpi2EventNotificationRequest_t *mpi_request;
4001 unsigned long timeleft;
4002 u16 smid;
4003 int r = 0;
4004 int i;
4005
4006 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4007 __func__));
4008
4009 if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
4010 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
4011 ioc->name, __func__);
4012 return -EAGAIN;
4013 }
4014
4015 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
4016 if (!smid) {
4017 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
4018 ioc->name, __func__);
4019 return -EAGAIN;
4020 }
4021 ioc->base_cmds.status = MPT2_CMD_PENDING;
4022 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
4023 ioc->base_cmds.smid = smid;
4024 memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
4025 mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4026 mpi_request->VF_ID = 0; /* TODO */
4027 mpi_request->VP_ID = 0;
4028 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
4029 mpi_request->EventMasks[i] =
4030 cpu_to_le32(ioc->event_masks[i]);
4031 init_completion(&ioc->base_cmds.done);
4032 mpt2sas_base_put_smid_default(ioc, smid);
4033 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
4034 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
4035 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
4036 ioc->name, __func__);
4037 _debug_dump_mf(mpi_request,
4038 sizeof(Mpi2EventNotificationRequest_t)/4);
4039 if (ioc->base_cmds.status & MPT2_CMD_RESET)
4040 r = -EFAULT;
4041 else
4042 r = -ETIME;
4043 } else
4044 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n",
4045 ioc->name, __func__));
4046 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
4047 return r;
4048}
4049
4050/**
4051 * mpt2sas_base_validate_event_type - validating event types
4052 * @ioc: per adapter object
4053 * @event: firmware event
4054 *
4055 * This will turn on firmware event notification when application
4056 * ask for that event. We don't mask events that are already enabled.
4057 */
4058void
4059mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type)
4060{
4061 int i, j;
4062 u32 event_mask, desired_event;
4063 u8 send_update_to_fw;
4064
4065 for (i = 0, send_update_to_fw = 0; i <
4066 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
4067 event_mask = ~event_type[i];
4068 desired_event = 1;
4069 for (j = 0; j < 32; j++) {
4070 if (!(event_mask & desired_event) &&
4071 (ioc->event_masks[i] & desired_event)) {
4072 ioc->event_masks[i] &= ~desired_event;
4073 send_update_to_fw = 1;
4074 }
4075 desired_event = (desired_event << 1);
4076 }
4077 }
4078
4079 if (!send_update_to_fw)
4080 return;
4081
4082 mutex_lock(&ioc->base_cmds.mutex);
4083 _base_event_notification(ioc, CAN_SLEEP);
4084 mutex_unlock(&ioc->base_cmds.mutex);
4085}
4086
4087/**
4088 * _base_diag_reset - the "big hammer" start of day reset
4089 * @ioc: per adapter object
4090 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4091 *
4092 * Returns 0 for success, non-zero for failure.
4093 */
4094static int
4095_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4096{
4097 u32 host_diagnostic;
4098 u32 ioc_state;
4099 u32 count;
4100 u32 hcb_size;
4101
4102 printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name);
4103 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n",
4104 ioc->name));
4105
4106 count = 0;
4107 do {
4108 /* Write magic sequence to WriteSequence register
4109 * Loop until in diagnostic mode
4110 */
4111 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic "
4112 "sequence\n", ioc->name));
4113 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
4114 writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
4115 writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
4116 writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
4117 writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
4118 writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
4119 writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
4120
4121 /* wait 100 msec */
4122 if (sleep_flag == CAN_SLEEP)
4123 msleep(100);
4124 else
4125 mdelay(100);
4126
4127 if (count++ > 20)
4128 goto out;
4129
4130 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
4131 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic "
4132 "sequence: count(%d), host_diagnostic(0x%08x)\n",
4133 ioc->name, count, host_diagnostic));
4134
4135 } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
4136
4137 hcb_size = readl(&ioc->chip->HCBSize);
4138
4139 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n",
4140 ioc->name));
4141 writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
4142 &ioc->chip->HostDiagnostic);
4143
4144 /* This delay allows the chip PCIe hardware time to finish reset tasks*/
4145 if (sleep_flag == CAN_SLEEP)
4146 msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
4147 else
4148 mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
4149
4150 /* Approximately 300 second max wait */
4151 for (count = 0; count < (300000000 /
4152 MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) {
4153
4154 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
4155
4156 if (host_diagnostic == 0xFFFFFFFF)
4157 goto out;
4158 if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
4159 break;
4160
4161 /* Wait to pass the second read delay window */
4162 if (sleep_flag == CAN_SLEEP)
4163 msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC
4164 /1000);
4165 else
4166 mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC
4167 /1000);
4168 }
4169
4170 if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
4171
4172 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter "
4173 "assuming the HCB Address points to good F/W\n",
4174 ioc->name));
4175 host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
4176 host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
4177 writel(host_diagnostic, &ioc->chip->HostDiagnostic);
4178
4179 drsprintk(ioc, printk(MPT2SAS_INFO_FMT
4180 "re-enable the HCDW\n", ioc->name));
4181 writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
4182 &ioc->chip->HCBSize);
4183 }
4184
4185 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n",
4186 ioc->name));
4187 writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
4188 &ioc->chip->HostDiagnostic);
4189
4190 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the "
4191 "diagnostic register\n", ioc->name));
4192 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
4193
4194 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the "
4195 "READY state\n", ioc->name));
4196 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20,
4197 sleep_flag);
4198 if (ioc_state) {
4199 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
4200 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
4201 goto out;
4202 }
4203
4204 printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name);
4205 return 0;
4206
4207 out:
4208 printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name);
4209 return -EFAULT;
4210}
4211
4212/**
4213 * _base_make_ioc_ready - put controller in READY state
4214 * @ioc: per adapter object
4215 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4216 * @type: FORCE_BIG_HAMMER or SOFT_RESET
4217 *
4218 * Returns 0 for success, non-zero for failure.
4219 */
4220static int
4221_base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
4222 enum reset_type type)
4223{
4224 u32 ioc_state;
4225 int rc;
4226
4227 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4228 __func__));
4229
4230 if (ioc->pci_error_recovery)
4231 return 0;
4232
4233 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
4234 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n",
4235 ioc->name, __func__, ioc_state));
4236
4237 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
4238 return 0;
4239
4240 if (ioc_state & MPI2_DOORBELL_USED) {
4241 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
4242 "active!\n", ioc->name));
4243 goto issue_diag_reset;
4244 }
4245
4246 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
4247 mpt2sas_base_fault_info(ioc, ioc_state &
4248 MPI2_DOORBELL_DATA_MASK);
4249 goto issue_diag_reset;
4250 }
4251
4252 if (type == FORCE_BIG_HAMMER)
4253 goto issue_diag_reset;
4254
4255 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
4256 if (!(_base_send_ioc_reset(ioc,
4257 MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) {
4258 ioc->ioc_reset_count++;
4259 return 0;
4260 }
4261
4262 issue_diag_reset:
4263 rc = _base_diag_reset(ioc, CAN_SLEEP);
4264 ioc->ioc_reset_count++;
4265 return rc;
4266}
4267
4268/**
4269 * _base_make_ioc_operational - put controller in OPERATIONAL state
4270 * @ioc: per adapter object
4271 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4272 *
4273 * Returns 0 for success, non-zero for failure.
4274 */
4275static int
4276_base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4277{
4278 int r, i;
4279 unsigned long flags;
4280 u32 reply_address;
4281 u16 smid;
4282 struct _tr_list *delayed_tr, *delayed_tr_next;
4283 u8 hide_flag;
4284 struct adapter_reply_queue *reply_q;
4285 long reply_post_free;
4286 u32 reply_post_free_sz, index = 0;
4287
4288 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4289 __func__));
4290
4291 /* clean the delayed target reset list */
4292 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4293 &ioc->delayed_tr_list, list) {
4294 list_del(&delayed_tr->list);
4295 kfree(delayed_tr);
4296 }
4297
4298 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4299 &ioc->delayed_tr_volume_list, list) {
4300 list_del(&delayed_tr->list);
4301 kfree(delayed_tr);
4302 }
4303
4304 /* initialize the scsi lookup free list */
4305 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4306 INIT_LIST_HEAD(&ioc->free_list);
4307 smid = 1;
4308 for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
4309 INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
4310 ioc->scsi_lookup[i].cb_idx = 0xFF;
4311 ioc->scsi_lookup[i].smid = smid;
4312 ioc->scsi_lookup[i].scmd = NULL;
4313 ioc->scsi_lookup[i].direct_io = 0;
4314 list_add_tail(&ioc->scsi_lookup[i].tracker_list,
4315 &ioc->free_list);
4316 }
4317
4318 /* hi-priority queue */
4319 INIT_LIST_HEAD(&ioc->hpr_free_list);
4320 smid = ioc->hi_priority_smid;
4321 for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
4322 ioc->hpr_lookup[i].cb_idx = 0xFF;
4323 ioc->hpr_lookup[i].smid = smid;
4324 list_add_tail(&ioc->hpr_lookup[i].tracker_list,
4325 &ioc->hpr_free_list);
4326 }
4327
4328 /* internal queue */
4329 INIT_LIST_HEAD(&ioc->internal_free_list);
4330 smid = ioc->internal_smid;
4331 for (i = 0; i < ioc->internal_depth; i++, smid++) {
4332 ioc->internal_lookup[i].cb_idx = 0xFF;
4333 ioc->internal_lookup[i].smid = smid;
4334 list_add_tail(&ioc->internal_lookup[i].tracker_list,
4335 &ioc->internal_free_list);
4336 }
4337
4338 /* chain pool */
4339 INIT_LIST_HEAD(&ioc->free_chain_list);
4340 for (i = 0; i < ioc->chain_depth; i++)
4341 list_add_tail(&ioc->chain_lookup[i].tracker_list,
4342 &ioc->free_chain_list);
4343
4344 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4345
4346 /* initialize Reply Free Queue */
4347 for (i = 0, reply_address = (u32)ioc->reply_dma ;
4348 i < ioc->reply_free_queue_depth ; i++, reply_address +=
4349 ioc->reply_sz)
4350 ioc->reply_free[i] = cpu_to_le32(reply_address);
4351
4352 /* initialize reply queues */
4353 if (ioc->is_driver_loading)
4354 _base_assign_reply_queues(ioc);
4355
4356 /* initialize Reply Post Free Queue */
4357 reply_post_free_sz = ioc->reply_post_queue_depth *
4358 sizeof(Mpi2DefaultReplyDescriptor_t);
4359 reply_post_free = (long)ioc->reply_post[index].reply_post_free;
4360 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
4361 reply_q->reply_post_host_index = 0;
4362 reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
4363 reply_post_free;
4364 for (i = 0; i < ioc->reply_post_queue_depth; i++)
4365 reply_q->reply_post_free[i].Words =
4366 cpu_to_le64(ULLONG_MAX);
4367 if (!_base_is_controller_msix_enabled(ioc))
4368 goto skip_init_reply_post_free_queue;
4369 /*
4370 * If RDPQ is enabled, switch to the next allocation.
4371 * Otherwise advance within the contiguous region.
4372 */
4373 if (ioc->rdpq_array_enable)
4374 reply_post_free = (long)
4375 ioc->reply_post[++index].reply_post_free;
4376 else
4377 reply_post_free += reply_post_free_sz;
4378 }
4379 skip_init_reply_post_free_queue:
4380
4381 r = _base_send_ioc_init(ioc, sleep_flag);
4382 if (r)
4383 return r;
4384
4385 /* initialize reply free host index */
4386 ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
4387 writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
4388
4389 /* initialize reply post host index */
4390 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
4391 writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT,
4392 &ioc->chip->ReplyPostHostIndex);
4393 if (!_base_is_controller_msix_enabled(ioc))
4394 goto skip_init_reply_post_host_index;
4395 }
4396
4397 skip_init_reply_post_host_index:
4398
4399 _base_unmask_interrupts(ioc);
4400
4401 r = _base_event_notification(ioc, sleep_flag);
4402 if (r)
4403 return r;
4404
4405 if (sleep_flag == CAN_SLEEP)
4406 _base_static_config_pages(ioc);
4407
4408
4409 if (ioc->is_driver_loading) {
4410 if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
4411 == 0x80) {
4412 hide_flag = (u8) (
4413 le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) &
4414 MFG_PAGE10_HIDE_SSDS_MASK);
4415 if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
4416 ioc->mfg_pg10_hide_flag = hide_flag;
4417 }
4418 ioc->wait_for_discovery_to_complete =
4419 _base_determine_wait_on_discovery(ioc);
4420 return r; /* scan_start and scan_finished support */
4421 }
4422 r = _base_send_port_enable(ioc, sleep_flag);
4423 if (r)
4424 return r;
4425
4426 return r;
4427}
4428
4429/**
4430 * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap)
4431 * @ioc: per adapter object
4432 *
4433 * Return nothing.
4434 */
4435void
4436mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
4437{
4438 struct pci_dev *pdev = ioc->pdev;
4439
4440 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4441 __func__));
4442
4443 /* synchronizing freeing resource with pci_access_mutex lock */
4444 mutex_lock(&ioc->pci_access_mutex);
4445 if (ioc->chip_phys && ioc->chip) {
4446 _base_mask_interrupts(ioc);
4447 ioc->shost_recovery = 1;
4448 _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
4449 ioc->shost_recovery = 0;
4450 }
4451
4452 _base_free_irq(ioc);
4453 _base_disable_msix(ioc);
4454
4455 if (ioc->chip_phys && ioc->chip)
4456 iounmap(ioc->chip);
4457 ioc->chip_phys = 0;
4458
4459 if (pci_is_enabled(pdev)) {
4460 pci_release_selected_regions(ioc->pdev, ioc->bars);
4461 pci_disable_pcie_error_reporting(pdev);
4462 pci_disable_device(pdev);
4463 }
4464 mutex_unlock(&ioc->pci_access_mutex);
4465 return;
4466}
4467
4468/**
4469 * mpt2sas_base_attach - attach controller instance
4470 * @ioc: per adapter object
4471 *
4472 * Returns 0 for success, non-zero for failure.
4473 */
4474int
4475mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
4476{
4477 int r, i;
4478 int cpu_id, last_cpu_id = 0;
4479
4480 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4481 __func__));
4482
4483 /* setup cpu_msix_table */
4484 ioc->cpu_count = num_online_cpus();
4485 for_each_online_cpu(cpu_id)
4486 last_cpu_id = cpu_id;
4487 ioc->cpu_msix_table_sz = last_cpu_id + 1;
4488 ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
4489 ioc->reply_queue_count = 1;
4490 if (!ioc->cpu_msix_table) {
4491 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for "
4492 "cpu_msix_table failed!!!\n", ioc->name));
4493 r = -ENOMEM;
4494 goto out_free_resources;
4495 }
4496
4497 if (ioc->is_warpdrive) {
4498 ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
4499 sizeof(resource_size_t *), GFP_KERNEL);
4500 if (!ioc->reply_post_host_index) {
4501 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation "
4502 "for cpu_msix_table failed!!!\n", ioc->name));
4503 r = -ENOMEM;
4504 goto out_free_resources;
4505 }
4506 }
4507
4508 ioc->rdpq_array_enable_assigned = 0;
4509 ioc->dma_mask = 0;
4510 r = mpt2sas_base_map_resources(ioc);
4511 if (r)
4512 goto out_free_resources;
4513
4514 if (ioc->is_warpdrive) {
4515 ioc->reply_post_host_index[0] = (resource_size_t __iomem *)
4516 &ioc->chip->ReplyPostHostIndex;
4517
4518 for (i = 1; i < ioc->cpu_msix_table_sz; i++)
4519 ioc->reply_post_host_index[i] =
4520 (resource_size_t __iomem *)
4521 ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
4522 * 4)));
4523 }
4524
4525 pci_set_drvdata(ioc->pdev, ioc->shost);
4526 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
4527 if (r)
4528 goto out_free_resources;
4529
4530 r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
4531 if (r)
4532 goto out_free_resources;
4533
4534 ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
4535 sizeof(struct mpt2sas_port_facts), GFP_KERNEL);
4536 if (!ioc->pfacts) {
4537 r = -ENOMEM;
4538 goto out_free_resources;
4539 }
4540
4541 for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
4542 r = _base_get_port_facts(ioc, i, CAN_SLEEP);
4543 if (r)
4544 goto out_free_resources;
4545 }
4546
4547 r = _base_allocate_memory_pools(ioc, CAN_SLEEP);
4548 if (r)
4549 goto out_free_resources;
4550
4551 init_waitqueue_head(&ioc->reset_wq);
4552 /* allocate memory pd handle bitmask list */
4553 ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
4554 if (ioc->facts.MaxDevHandle % 8)
4555 ioc->pd_handles_sz++;
4556 ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
4557 GFP_KERNEL);
4558 if (!ioc->pd_handles) {
4559 r = -ENOMEM;
4560 goto out_free_resources;
4561 }
4562 ioc->blocking_handles = kzalloc(ioc->pd_handles_sz,
4563 GFP_KERNEL);
4564 if (!ioc->blocking_handles) {
4565 r = -ENOMEM;
4566 goto out_free_resources;
4567 }
4568 ioc->fwfault_debug = mpt2sas_fwfault_debug;
4569
4570 /* base internal command bits */
4571 mutex_init(&ioc->base_cmds.mutex);
4572 ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4573 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
4574
4575 /* port_enable command bits */
4576 ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4577 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
4578
4579 /* transport internal command bits */
4580 ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4581 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
4582 mutex_init(&ioc->transport_cmds.mutex);
4583
4584 /* scsih internal command bits */
4585 ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4586 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
4587 mutex_init(&ioc->scsih_cmds.mutex);
4588
4589 /* task management internal command bits */
4590 ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4591 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4592 mutex_init(&ioc->tm_cmds.mutex);
4593
4594 /* config page internal command bits */
4595 ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4596 ioc->config_cmds.status = MPT2_CMD_NOT_USED;
4597 mutex_init(&ioc->config_cmds.mutex);
4598
4599 /* ctl module internal command bits */
4600 ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4601 ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
4602 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
4603 mutex_init(&ioc->ctl_cmds.mutex);
4604
4605 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
4606 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
4607 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
4608 !ioc->ctl_cmds.sense) {
4609 r = -ENOMEM;
4610 goto out_free_resources;
4611 }
4612
4613 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
4614 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
4615 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
4616 r = -ENOMEM;
4617 goto out_free_resources;
4618 }
4619
4620 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
4621 ioc->event_masks[i] = -1;
4622
4623 /* here we enable the events we care about */
4624 _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
4625 _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
4626 _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
4627 _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4628 _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
4629 _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
4630 _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
4631 _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
4632 _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
4633 _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
4634 _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
4635 r = _base_make_ioc_operational(ioc, CAN_SLEEP);
4636 if (r)
4637 goto out_free_resources;
4638
4639 ioc->non_operational_loop = 0;
4640
4641 return 0;
4642
4643 out_free_resources:
4644
4645 ioc->remove_host = 1;
4646 mpt2sas_base_free_resources(ioc);
4647 _base_release_memory_pools(ioc);
4648 pci_set_drvdata(ioc->pdev, NULL);
4649 kfree(ioc->cpu_msix_table);
4650 if (ioc->is_warpdrive)
4651 kfree(ioc->reply_post_host_index);
4652 kfree(ioc->pd_handles);
4653 kfree(ioc->blocking_handles);
4654 kfree(ioc->tm_cmds.reply);
4655 kfree(ioc->transport_cmds.reply);
4656 kfree(ioc->scsih_cmds.reply);
4657 kfree(ioc->config_cmds.reply);
4658 kfree(ioc->base_cmds.reply);
4659 kfree(ioc->port_enable_cmds.reply);
4660 kfree(ioc->ctl_cmds.reply);
4661 kfree(ioc->ctl_cmds.sense);
4662 kfree(ioc->pfacts);
4663 ioc->ctl_cmds.reply = NULL;
4664 ioc->base_cmds.reply = NULL;
4665 ioc->tm_cmds.reply = NULL;
4666 ioc->scsih_cmds.reply = NULL;
4667 ioc->transport_cmds.reply = NULL;
4668 ioc->config_cmds.reply = NULL;
4669 ioc->pfacts = NULL;
4670 return r;
4671}
4672
4673
4674/**
4675 * mpt2sas_base_detach - remove controller instance
4676 * @ioc: per adapter object
4677 *
4678 * Return nothing.
4679 */
4680void
4681mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
4682{
4683
4684 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4685 __func__));
4686
4687 mpt2sas_base_stop_watchdog(ioc);
4688 mpt2sas_base_free_resources(ioc);
4689 _base_release_memory_pools(ioc);
4690 pci_set_drvdata(ioc->pdev, NULL);
4691 kfree(ioc->cpu_msix_table);
4692 if (ioc->is_warpdrive)
4693 kfree(ioc->reply_post_host_index);
4694 kfree(ioc->pd_handles);
4695 kfree(ioc->blocking_handles);
4696 kfree(ioc->pfacts);
4697 kfree(ioc->ctl_cmds.reply);
4698 kfree(ioc->ctl_cmds.sense);
4699 kfree(ioc->base_cmds.reply);
4700 kfree(ioc->port_enable_cmds.reply);
4701 kfree(ioc->tm_cmds.reply);
4702 kfree(ioc->transport_cmds.reply);
4703 kfree(ioc->scsih_cmds.reply);
4704 kfree(ioc->config_cmds.reply);
4705}
4706
4707/**
4708 * _base_reset_handler - reset callback handler (for base)
4709 * @ioc: per adapter object
4710 * @reset_phase: phase
4711 *
4712 * The handler for doing any required cleanup or initialization.
4713 *
4714 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
4715 * MPT2_IOC_DONE_RESET
4716 *
4717 * Return nothing.
4718 */
4719static void
4720_base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
4721{
4722 mpt2sas_scsih_reset_handler(ioc, reset_phase);
4723 mpt2sas_ctl_reset_handler(ioc, reset_phase);
4724 switch (reset_phase) {
4725 case MPT2_IOC_PRE_RESET:
4726 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4727 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
4728 break;
4729 case MPT2_IOC_AFTER_RESET:
4730 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4731 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
4732 if (ioc->transport_cmds.status & MPT2_CMD_PENDING) {
4733 ioc->transport_cmds.status |= MPT2_CMD_RESET;
4734 mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid);
4735 complete(&ioc->transport_cmds.done);
4736 }
4737 if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
4738 ioc->base_cmds.status |= MPT2_CMD_RESET;
4739 mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid);
4740 complete(&ioc->base_cmds.done);
4741 }
4742 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
4743 ioc->port_enable_failed = 1;
4744 ioc->port_enable_cmds.status |= MPT2_CMD_RESET;
4745 mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
4746 if (ioc->is_driver_loading) {
4747 ioc->start_scan_failed =
4748 MPI2_IOCSTATUS_INTERNAL_ERROR;
4749 ioc->start_scan = 0;
4750 ioc->port_enable_cmds.status =
4751 MPT2_CMD_NOT_USED;
4752 } else
4753 complete(&ioc->port_enable_cmds.done);
4754
4755 }
4756 if (ioc->config_cmds.status & MPT2_CMD_PENDING) {
4757 ioc->config_cmds.status |= MPT2_CMD_RESET;
4758 mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid);
4759 ioc->config_cmds.smid = USHRT_MAX;
4760 complete(&ioc->config_cmds.done);
4761 }
4762 break;
4763 case MPT2_IOC_DONE_RESET:
4764 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4765 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
4766 break;
4767 }
4768}
4769
4770/**
4771 * _wait_for_commands_to_complete - reset controller
4772 * @ioc: Pointer to MPT_ADAPTER structure
4773 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4774 *
4775 * This function waiting(3s) for all pending commands to complete
4776 * prior to putting controller in reset.
4777 */
4778static void
4779_wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4780{
4781 u32 ioc_state;
4782 unsigned long flags;
4783 u16 i;
4784
4785 ioc->pending_io_count = 0;
4786 if (sleep_flag != CAN_SLEEP)
4787 return;
4788
4789 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
4790 if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
4791 return;
4792
4793 /* pending command count */
4794 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4795 for (i = 0; i < ioc->scsiio_depth; i++)
4796 if (ioc->scsi_lookup[i].cb_idx != 0xFF)
4797 ioc->pending_io_count++;
4798 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4799
4800 if (!ioc->pending_io_count)
4801 return;
4802
4803 /* wait for pending commands to complete */
4804 wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
4805}
4806
4807/**
4808 * mpt2sas_base_hard_reset_handler - reset controller
4809 * @ioc: Pointer to MPT_ADAPTER structure
4810 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4811 * @type: FORCE_BIG_HAMMER or SOFT_RESET
4812 *
4813 * Returns 0 for success, non-zero for failure.
4814 */
4815int
4816mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
4817 enum reset_type type)
4818{
4819 int r;
4820 unsigned long flags;
4821
4822 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
4823 __func__));
4824
4825 if (ioc->pci_error_recovery) {
4826 printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n",
4827 ioc->name, __func__);
4828 r = 0;
4829 goto out_unlocked;
4830 }
4831
4832 if (mpt2sas_fwfault_debug)
4833 mpt2sas_halt_firmware(ioc);
4834
4835 /* TODO - What we really should be doing is pulling
4836 * out all the code associated with NO_SLEEP; its never used.
4837 * That is legacy code from mpt fusion driver, ported over.
4838 * I will leave this BUG_ON here for now till its been resolved.
4839 */
4840 BUG_ON(sleep_flag == NO_SLEEP);
4841
4842 /* wait for an active reset in progress to complete */
4843 if (!mutex_trylock(&ioc->reset_in_progress_mutex)) {
4844 do {
4845 ssleep(1);
4846 } while (ioc->shost_recovery == 1);
4847 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
4848 __func__));
4849 return ioc->ioc_reset_in_progress_status;
4850 }
4851
4852 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
4853 ioc->shost_recovery = 1;
4854 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
4855
4856 _base_reset_handler(ioc, MPT2_IOC_PRE_RESET);
4857 _wait_for_commands_to_complete(ioc, sleep_flag);
4858 _base_mask_interrupts(ioc);
4859 r = _base_make_ioc_ready(ioc, sleep_flag, type);
4860 if (r)
4861 goto out;
4862 _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET);
4863
4864 /* If this hard reset is called while port enable is active, then
4865 * there is no reason to call make_ioc_operational
4866 */
4867 if (ioc->is_driver_loading && ioc->port_enable_failed) {
4868 ioc->remove_host = 1;
4869 r = -EFAULT;
4870 goto out;
4871 }
4872
4873 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
4874 if (r)
4875 goto out;
4876
4877 if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable)
4878 panic("%s: Issue occurred with flashing controller firmware."
4879 "Please reboot the system and ensure that the correct"
4880 " firmware version is running\n", ioc->name);
4881
4882 r = _base_make_ioc_operational(ioc, sleep_flag);
4883 if (!r)
4884 _base_reset_handler(ioc, MPT2_IOC_DONE_RESET);
4885 out:
4886 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n",
4887 ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
4888
4889 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
4890 ioc->ioc_reset_in_progress_status = r;
4891 ioc->shost_recovery = 0;
4892 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
4893 mutex_unlock(&ioc->reset_in_progress_mutex);
4894
4895 out_unlocked:
4896 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
4897 __func__));
4898 return r;
4899}
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
deleted file mode 100644
index 65e1046efd87..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ /dev/null
@@ -1,1235 +0,0 @@
1/*
2 * This is the Fusion MPT base driver providing common API layer interface
3 * for access to MPT (Message Passing Technology) firmware.
4 *
5 * This code is based on drivers/scsi/mpt2sas/mpt2_base.h
6 * Copyright (C) 2007-2014 LSI Corporation
7 * Copyright (C) 20013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * NO WARRANTY
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
30
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
43 * USA.
44 */
45
46#ifndef MPT2SAS_BASE_H_INCLUDED
47#define MPT2SAS_BASE_H_INCLUDED
48
49#include "mpi/mpi2_type.h"
50#include "mpi/mpi2.h"
51#include "mpi/mpi2_ioc.h"
52#include "mpi/mpi2_cnfg.h"
53#include "mpi/mpi2_init.h"
54#include "mpi/mpi2_raid.h"
55#include "mpi/mpi2_tool.h"
56#include "mpi/mpi2_sas.h"
57
58#include <scsi/scsi.h>
59#include <scsi/scsi_cmnd.h>
60#include <scsi/scsi_device.h>
61#include <scsi/scsi_host.h>
62#include <scsi/scsi_tcq.h>
63#include <scsi/scsi_transport_sas.h>
64#include <scsi/scsi_dbg.h>
65#include <scsi/scsi_eh.h>
66
67#include "mpt2sas_debug.h"
68
69/* driver versioning info */
70#define MPT2SAS_DRIVER_NAME "mpt2sas"
71#define MPT2SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
72#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
73#define MPT2SAS_DRIVER_VERSION "20.100.00.00"
74#define MPT2SAS_MAJOR_VERSION 20
75#define MPT2SAS_MINOR_VERSION 100
76#define MPT2SAS_BUILD_VERSION 00
77#define MPT2SAS_RELEASE_VERSION 00
78
79/*
80 * Set MPT2SAS_SG_DEPTH value based on user input.
81 */
82#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
83#if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16
84#define MPT2SAS_SG_DEPTH 16
85#elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128
86#define MPT2SAS_SG_DEPTH 128
87#else
88#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
89#endif
90#else
91#define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */
92#endif
93
94
95/*
96 * Generic Defines
97 */
98#define MPT2SAS_SATA_QUEUE_DEPTH 32
99#define MPT2SAS_SAS_QUEUE_DEPTH 254
100#define MPT2SAS_RAID_QUEUE_DEPTH 128
101
102#define MPT_NAME_LENGTH 32 /* generic length of strings */
103#define MPT_STRING_LENGTH 64
104
105#define MPT_MAX_CALLBACKS 16
106
107
108#define CAN_SLEEP 1
109#define NO_SLEEP 0
110
111#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
112
113#define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/
114
115#define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF
116
117
118/*
119 * reset phases
120 */
121#define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
122#define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
123#define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
124
125/*
126 * logging format
127 */
128#define MPT2SAS_FMT "%s: "
129#define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
130#define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
131#define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
132#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
133
134/*
135 * Dell HBA branding
136 */
137#define MPT2SAS_DELL_BRANDING_SIZE 32
138
139#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
140#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
141#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
142#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
143#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
144#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
145#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
146
147/*
148 * Dell HBA SSDIDs
149 */
150#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
151#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
152#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
153#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
154#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
155#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
156#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
157
158/*
159 * Intel HBA branding
160 */
161#define MPT2SAS_INTEL_RMS25JB080_BRANDING \
162 "Intel(R) Integrated RAID Module RMS25JB080"
163#define MPT2SAS_INTEL_RMS25JB040_BRANDING \
164 "Intel(R) Integrated RAID Module RMS25JB040"
165#define MPT2SAS_INTEL_RMS25KB080_BRANDING \
166 "Intel(R) Integrated RAID Module RMS25KB080"
167#define MPT2SAS_INTEL_RMS25KB040_BRANDING \
168 "Intel(R) Integrated RAID Module RMS25KB040"
169#define MPT2SAS_INTEL_RMS25LB040_BRANDING \
170 "Intel(R) Integrated RAID Module RMS25LB040"
171#define MPT2SAS_INTEL_RMS25LB080_BRANDING \
172 "Intel(R) Integrated RAID Module RMS25LB080"
173#define MPT2SAS_INTEL_RMS2LL080_BRANDING \
174 "Intel Integrated RAID Module RMS2LL080"
175#define MPT2SAS_INTEL_RMS2LL040_BRANDING \
176 "Intel Integrated RAID Module RMS2LL040"
177#define MPT2SAS_INTEL_RS25GB008_BRANDING \
178 "Intel(R) RAID Controller RS25GB008"
179#define MPT2SAS_INTEL_SSD910_BRANDING \
180 "Intel(R) SSD 910 Series"
181/*
182 * Intel HBA SSDIDs
183 */
184#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
185#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
186#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
187#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
188#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
189#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
190#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
191#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
192#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
193#define MPT2SAS_INTEL_SSD910_SSDID 0x3700
194
195/*
196 * HP HBA branding
197 */
198#define MPT2SAS_HP_3PAR_SSVID 0x1590
199#define MPT2SAS_HP_2_4_INTERNAL_BRANDING "HP H220 Host Bus Adapter"
200#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING "HP H221 Host Bus Adapter"
201#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
202#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING "HP H220i Host Bus Adapter"
203#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING "HP H210i Host Bus Adapter"
204
205/*
206 * HO HBA SSDIDs
207 */
208#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
209#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
210#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
211#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
212#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
213
214/*
215 * WarpDrive Specific Log codes
216 */
217
218#define MPT2_WARPDRIVE_LOGENTRY (0x8002)
219#define MPT2_WARPDRIVE_LC_SSDT (0x41)
220#define MPT2_WARPDRIVE_LC_SSDLW (0x43)
221#define MPT2_WARPDRIVE_LC_SSDLF (0x44)
222#define MPT2_WARPDRIVE_LC_BRMF (0x4D)
223
224/*
225 * per target private data
226 */
227#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
228#define MPT_TARGET_FLAGS_VOLUME 0x02
229#define MPT_TARGET_FLAGS_DELETED 0x04
230
231/**
232 * struct MPT2SAS_TARGET - starget private hostdata
233 * @starget: starget object
234 * @sas_address: target sas address
235 * @raid_device: raid_device pointer to access volume data
236 * @handle: device handle
237 * @num_luns: number luns
238 * @flags: MPT_TARGET_FLAGS_XXX flags
239 * @deleted: target flaged for deletion
240 * @tm_busy: target is busy with TM request.
241 * @sdev: The sas_device associated with this target
242 */
243struct MPT2SAS_TARGET {
244 struct scsi_target *starget;
245 u64 sas_address;
246 struct _raid_device *raid_device;
247 u16 handle;
248 int num_luns;
249 u32 flags;
250 u8 deleted;
251 u8 tm_busy;
252 struct _sas_device *sdev;
253};
254
255
256/*
257 * per device private data
258 */
259#define MPT_DEVICE_FLAGS_INIT 0x01
260#define MPT_DEVICE_TLR_ON 0x02
261
262/**
263 * struct MPT2SAS_DEVICE - sdev private hostdata
264 * @sas_target: starget private hostdata
265 * @lun: lun number
266 * @flags: MPT_DEVICE_XXX flags
267 * @configured_lun: lun is configured
268 * @block: device is in SDEV_BLOCK state
269 * @tlr_snoop_check: flag used in determining whether to disable TLR
270 */
271
272/* OEM Identifiers */
273#define MFG10_OEM_ID_INVALID (0x00000000)
274#define MFG10_OEM_ID_DELL (0x00000001)
275#define MFG10_OEM_ID_FSC (0x00000002)
276#define MFG10_OEM_ID_SUN (0x00000003)
277#define MFG10_OEM_ID_IBM (0x00000004)
278
279/* GENERIC Flags 0*/
280#define MFG10_GF0_OCE_DISABLED (0x00000001)
281#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
282#define MFG10_GF0_R10_DISPLAY (0x00000004)
283#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
284#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
285
286/* OEM Specific Flags will come from OEM specific header files */
287typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
288 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
289 U8 OEMIdentifier; /* 04h */
290 U8 Reserved1; /* 05h */
291 U16 Reserved2; /* 08h */
292 U32 Reserved3; /* 0Ch */
293 U32 GenericFlags0; /* 10h */
294 U32 GenericFlags1; /* 14h */
295 U32 Reserved4; /* 18h */
296 U32 OEMSpecificFlags0; /* 1Ch */
297 U32 OEMSpecificFlags1; /* 20h */
298 U32 Reserved5[18]; /* 24h-60h*/
299} MPI2_CONFIG_PAGE_MAN_10,
300 *PTR_MPI2_CONFIG_PAGE_MAN_10,
301 Mpi2ManufacturingPage10_t, *pMpi2ManufacturingPage10_t;
302
303#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
304#define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
305#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
306#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
307
308
309struct MPT2SAS_DEVICE {
310 struct MPT2SAS_TARGET *sas_target;
311 unsigned int lun;
312 u32 flags;
313 u8 configured_lun;
314 u8 block;
315 u8 tlr_snoop_check;
316};
317
318#define MPT2_CMD_NOT_USED 0x8000 /* free */
319#define MPT2_CMD_COMPLETE 0x0001 /* completed */
320#define MPT2_CMD_PENDING 0x0002 /* pending */
321#define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
322#define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
323
324/**
325 * struct _internal_cmd - internal commands struct
326 * @mutex: mutex
327 * @done: completion
328 * @reply: reply message pointer
329 * @sense: sense data
330 * @status: MPT2_CMD_XXX status
331 * @smid: system message id
332 */
333struct _internal_cmd {
334 struct mutex mutex;
335 struct completion done;
336 void *reply;
337 void *sense;
338 u16 status;
339 u16 smid;
340};
341
342
343/**
344 * struct _sas_device - attached device information
345 * @list: sas device list
346 * @starget: starget object
347 * @sas_address: device sas address
348 * @device_name: retrieved from the SAS IDENTIFY frame.
349 * @handle: device handle
350 * @sas_address_parent: sas address of parent expander or sas host
351 * @enclosure_handle: enclosure handle
352 * @enclosure_logical_id: enclosure logical identifier
353 * @volume_handle: volume handle (valid when hidden raid member)
354 * @volume_wwid: volume unique identifier
355 * @device_info: bitfield provides detailed info about the device
356 * @id: target id
357 * @channel: target channel
358 * @slot: number number
359 * @phy: phy identifier provided in sas device page 0
360 * @responding: used in _scsih_sas_device_mark_responding
361 * @pfa_led_on: flag for PFA LED status
362 */
363struct _sas_device {
364 struct list_head list;
365 struct scsi_target *starget;
366 u64 sas_address;
367 u64 device_name;
368 u16 handle;
369 u64 sas_address_parent;
370 u16 enclosure_handle;
371 u64 enclosure_logical_id;
372 u16 volume_handle;
373 u64 volume_wwid;
374 u32 device_info;
375 int id;
376 int channel;
377 u16 slot;
378 u8 phy;
379 u8 responding;
380 u8 pfa_led_on;
381 struct kref refcount;
382};
383
384static inline void sas_device_get(struct _sas_device *s)
385{
386 kref_get(&s->refcount);
387}
388
389static inline void sas_device_free(struct kref *r)
390{
391 kfree(container_of(r, struct _sas_device, refcount));
392}
393
394static inline void sas_device_put(struct _sas_device *s)
395{
396 kref_put(&s->refcount, sas_device_free);
397}
398
399/**
400 * struct _raid_device - raid volume link list
401 * @list: sas device list
402 * @starget: starget object
403 * @sdev: scsi device struct (volumes are single lun)
404 * @wwid: unique identifier for the volume
405 * @handle: device handle
406 * @block_size: Block size of the volume
407 * @id: target id
408 * @channel: target channel
409 * @volume_type: the raid level
410 * @device_info: bitfield provides detailed info about the hidden components
411 * @num_pds: number of hidden raid components
412 * @responding: used in _scsih_raid_device_mark_responding
413 * @percent_complete: resync percent complete
414 * @direct_io_enabled: Whether direct io to PDs are allowed or not
415 * @stripe_exponent: X where 2powX is the stripe sz in blocks
416 * @block_exponent: X where 2powX is the block sz in bytes
417 * @max_lba: Maximum number of LBA in the volume
418 * @stripe_sz: Stripe Size of the volume
419 * @device_info: Device info of the volume member disk
420 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
421 */
422#define MPT_MAX_WARPDRIVE_PDS 8
423struct _raid_device {
424 struct list_head list;
425 struct scsi_target *starget;
426 struct scsi_device *sdev;
427 u64 wwid;
428 u16 handle;
429 u16 block_sz;
430 int id;
431 int channel;
432 u8 volume_type;
433 u8 num_pds;
434 u8 responding;
435 u8 percent_complete;
436 u8 direct_io_enabled;
437 u8 stripe_exponent;
438 u8 block_exponent;
439 u64 max_lba;
440 u32 stripe_sz;
441 u32 device_info;
442 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
443};
444
445/**
446 * struct _boot_device - boot device info
447 * @is_raid: flag to indicate whether this is volume
448 * @device: holds pointer for either struct _sas_device or
449 * struct _raid_device
450 */
451struct _boot_device {
452 u8 is_raid;
453 void *device;
454};
455
456/**
457 * struct _sas_port - wide/narrow sas port information
458 * @port_list: list of ports belonging to expander
459 * @num_phys: number of phys belonging to this port
460 * @remote_identify: attached device identification
461 * @rphy: sas transport rphy object
462 * @port: sas transport wide/narrow port object
463 * @phy_list: _sas_phy list objects belonging to this port
464 */
465struct _sas_port {
466 struct list_head port_list;
467 u8 num_phys;
468 struct sas_identify remote_identify;
469 struct sas_rphy *rphy;
470 struct sas_port *port;
471 struct list_head phy_list;
472};
473
474/**
475 * struct _sas_phy - phy information
476 * @port_siblings: list of phys belonging to a port
477 * @identify: phy identification
478 * @remote_identify: attached device identification
479 * @phy: sas transport phy object
480 * @phy_id: unique phy id
481 * @handle: device handle for this phy
482 * @attached_handle: device handle for attached device
483 * @phy_belongs_to_port: port has been created for this phy
484 */
485struct _sas_phy {
486 struct list_head port_siblings;
487 struct sas_identify identify;
488 struct sas_identify remote_identify;
489 struct sas_phy *phy;
490 u8 phy_id;
491 u16 handle;
492 u16 attached_handle;
493 u8 phy_belongs_to_port;
494};
495
496/**
497 * struct _sas_node - sas_host/expander information
498 * @list: list of expanders
499 * @parent_dev: parent device class
500 * @num_phys: number phys belonging to this sas_host/expander
501 * @sas_address: sas address of this sas_host/expander
502 * @handle: handle for this sas_host/expander
503 * @sas_address_parent: sas address of parent expander or sas host
504 * @enclosure_handle: handle for this a member of an enclosure
505 * @device_info: bitwise defining capabilities of this sas_host/expander
506 * @responding: used in _scsih_expander_device_mark_responding
507 * @phy: a list of phys that make up this sas_host/expander
508 * @sas_port_list: list of ports attached to this sas_host/expander
509 */
510struct _sas_node {
511 struct list_head list;
512 struct device *parent_dev;
513 u8 num_phys;
514 u64 sas_address;
515 u16 handle;
516 u64 sas_address_parent;
517 u16 enclosure_handle;
518 u64 enclosure_logical_id;
519 u8 responding;
520 struct _sas_phy *phy;
521 struct list_head sas_port_list;
522};
523
524/**
525 * enum reset_type - reset state
526 * @FORCE_BIG_HAMMER: issue diagnostic reset
527 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
528 */
529enum reset_type {
530 FORCE_BIG_HAMMER,
531 SOFT_RESET,
532};
533
534/**
535 * struct chain_tracker - firmware chain tracker
536 * @chain_buffer: chain buffer
537 * @chain_buffer_dma: physical address
538 * @tracker_list: list of free request (ioc->free_chain_list)
539 */
540struct chain_tracker {
541 void *chain_buffer;
542 dma_addr_t chain_buffer_dma;
543 struct list_head tracker_list;
544};
545
546/**
547 * struct scsiio_tracker - scsi mf request tracker
548 * @smid: system message id
549 * @scmd: scsi request pointer
550 * @cb_idx: callback index
551 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
552 * @chain_list: list of chains associated to this IO
553 * @tracker_list: list of free request (ioc->free_list)
554 */
555struct scsiio_tracker {
556 u16 smid;
557 struct scsi_cmnd *scmd;
558 u8 cb_idx;
559 u8 direct_io;
560 struct list_head chain_list;
561 struct list_head tracker_list;
562};
563
564/**
565 * struct request_tracker - firmware request tracker
566 * @smid: system message id
567 * @cb_idx: callback index
568 * @tracker_list: list of free request (ioc->free_list)
569 */
570struct request_tracker {
571 u16 smid;
572 u8 cb_idx;
573 struct list_head tracker_list;
574};
575
576/**
577 * struct _tr_list - target reset list
578 * @handle: device handle
579 * @state: state machine
580 */
581struct _tr_list {
582 struct list_head list;
583 u16 handle;
584 u16 state;
585};
586
587typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
588
589/**
590 * struct adapter_reply_queue - the reply queue struct
591 * @ioc: per adapter object
592 * @msix_index: msix index into vector table
593 * @vector: irq vector
594 * @reply_post_host_index: head index in the pool where FW completes IO
595 * @reply_post_free: reply post base virt address
596 * @name: the name registered to request_irq()
597 * @busy: isr is actively processing replies on another cpu
598 * @list: this list
599*/
600struct adapter_reply_queue {
601 struct MPT2SAS_ADAPTER *ioc;
602 u8 msix_index;
603 unsigned int vector;
604 u32 reply_post_host_index;
605 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
606 char name[MPT_NAME_LENGTH];
607 atomic_t busy;
608 cpumask_var_t affinity_hint;
609 struct list_head list;
610};
611
612/* IOC Facts and Port Facts converted from little endian to cpu */
613union mpi2_version_union {
614 MPI2_VERSION_STRUCT Struct;
615 u32 Word;
616};
617
618struct mpt2sas_facts {
619 u16 MsgVersion;
620 u16 HeaderVersion;
621 u8 IOCNumber;
622 u8 VP_ID;
623 u8 VF_ID;
624 u16 IOCExceptions;
625 u16 IOCStatus;
626 u32 IOCLogInfo;
627 u8 MaxChainDepth;
628 u8 WhoInit;
629 u8 NumberOfPorts;
630 u8 MaxMSIxVectors;
631 u16 RequestCredit;
632 u16 ProductID;
633 u32 IOCCapabilities;
634 union mpi2_version_union FWVersion;
635 u16 IOCRequestFrameSize;
636 u16 Reserved3;
637 u16 MaxInitiators;
638 u16 MaxTargets;
639 u16 MaxSasExpanders;
640 u16 MaxEnclosures;
641 u16 ProtocolFlags;
642 u16 HighPriorityCredit;
643 u16 MaxReplyDescriptorPostQueueDepth;
644 u8 ReplyFrameSize;
645 u8 MaxVolumes;
646 u16 MaxDevHandle;
647 u16 MaxPersistentEntries;
648 u16 MinDevHandle;
649};
650
651struct mpt2sas_port_facts {
652 u8 PortNumber;
653 u8 VP_ID;
654 u8 VF_ID;
655 u8 PortType;
656 u16 MaxPostedCmdBuffers;
657};
658
659struct reply_post_struct {
660 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
661 dma_addr_t reply_post_free_dma;
662};
663
664/**
665 * enum mutex_type - task management mutex type
666 * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
667 * @TM_MUTEX_ON: mutex is required
668 */
669enum mutex_type {
670 TM_MUTEX_OFF = 0,
671 TM_MUTEX_ON = 1,
672};
673
674typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc);
675/**
676 * struct MPT2SAS_ADAPTER - per adapter struct
677 * @list: ioc_list
678 * @shost: shost object
679 * @id: unique adapter id
680 * @cpu_count: number online cpus
681 * @name: generic ioc string
682 * @tmp_string: tmp string used for logging
683 * @pdev: pci pdev object
684 * @chip: memory mapped register space
685 * @chip_phys: physical addrss prior to mapping
686 * @logging_level: see mpt2sas_debug.h
687 * @fwfault_debug: debuging FW timeouts
688 * @ir_firmware: IR firmware present
689 * @bars: bitmask of BAR's that must be configured
690 * @mask_interrupts: ignore interrupt
691 * @dma_mask: used to set the consistent dma mask
692 * @fault_reset_work_q_name: fw fault work queue
693 * @fault_reset_work_q: ""
694 * @fault_reset_work: ""
695 * @firmware_event_name: fw event work queue
696 * @firmware_event_thread: ""
697 * @fw_events_off: flag to turn off fw event handling
698 * @fw_event_lock:
699 * @fw_event_list: list of fw events
700 * @aen_event_read_flag: event log was read
701 * @broadcast_aen_busy: broadcast aen waiting to be serviced
702 * @shost_recovery: host reset in progress
703 * @ioc_reset_in_progress_lock:
704 * @ioc_link_reset_in_progress: phy/hard reset in progress
705 * @ignore_loginfos: ignore loginfos during task management
706 * @remove_host: flag for when driver unloads, to avoid sending dev resets
707 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
708 * @wait_for_discovery_to_complete: flag set at driver load time when
709 * waiting on reporting devices
710 * @is_driver_loading: flag set at driver load time
711 * @port_enable_failed: flag set when port enable has failed
712 * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work
713 * @start_scan_failed: means port enable failed, return's the ioc_status
714 * @msix_enable: flag indicating msix is enabled
715 * @msix_vector_count: number msix vectors
716 * @cpu_msix_table: table for mapping cpus to msix index
717 * @cpu_msix_table_sz: table size
718 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
719 * @scsi_io_cb_idx: shost generated commands
720 * @tm_cb_idx: task management commands
721 * @scsih_cb_idx: scsih internal commands
722 * @transport_cb_idx: transport internal commands
723 * @ctl_cb_idx: clt internal commands
724 * @base_cb_idx: base internal commands
725 * @config_cb_idx: base internal commands
726 * @tm_tr_cb_idx : device removal target reset handshake
727 * @tm_tr_volume_cb_idx : volume removal target reset
728 * @base_cmds:
729 * @transport_cmds:
730 * @scsih_cmds:
731 * @tm_cmds:
732 * @ctl_cmds:
733 * @config_cmds:
734 * @base_add_sg_single: handler for either 32/64 bit sgl's
735 * @event_type: bits indicating which events to log
736 * @event_context: unique id for each logged event
737 * @event_log: event log pointer
738 * @event_masks: events that are masked
739 * @facts: static facts data
740 * @pfacts: static port facts data
741 * @manu_pg0: static manufacturing page 0
742 * @manu_pg10: static manufacturing page 10
743 * @bios_pg2: static bios page 2
744 * @bios_pg3: static bios page 3
745 * @ioc_pg8: static ioc page 8
746 * @iounit_pg0: static iounit page 0
747 * @iounit_pg1: static iounit page 1
748 * @iounit_pg8: static iounit page 8
749 * @sas_hba: sas host object
750 * @sas_expander_list: expander object list
751 * @sas_node_lock:
752 * @sas_device_list: sas device object list
753 * @sas_device_init_list: sas device object list (used only at init time)
754 * @sas_device_lock:
755 * @io_missing_delay: time for IO completed by fw when PDR enabled
756 * @device_missing_delay: time for device missing by fw when PDR enabled
757 * @sas_id : used for setting volume target IDs
758 * @blocking_handles: bitmask used to identify which devices need blocking
759 * @pd_handles : bitmask for PD handles
760 * @pd_handles_sz : size of pd_handle bitmask
761 * @config_page_sz: config page size
762 * @config_page: reserve memory for config page payload
763 * @config_page_dma:
764 * @hba_queue_depth: hba request queue depth
765 * @sge_size: sg element size for either 32/64 bit
766 * @scsiio_depth: SCSI_IO queue depth
767 * @request_sz: per request frame size
768 * @request: pool of request frames
769 * @request_dma:
770 * @request_dma_sz:
771 * @scsi_lookup: firmware request tracker list
772 * @scsi_lookup_lock:
773 * @free_list: free list of request
774 * @chain: pool of chains
775 * @pending_io_count:
776 * @reset_wq:
777 * @chain_dma:
778 * @max_sges_in_main_message: number sg elements in main message
779 * @max_sges_in_chain_message: number sg elements per chain
780 * @chains_needed_per_io: max chains per io
781 * @chain_offset_value_for_main_message: location 1st sg in main
782 * @chain_depth: total chains allocated
783 * @hi_priority_smid:
784 * @hi_priority:
785 * @hi_priority_dma:
786 * @hi_priority_depth:
787 * @hpr_lookup:
788 * @hpr_free_list:
789 * @internal_smid:
790 * @internal:
791 * @internal_dma:
792 * @internal_depth:
793 * @internal_lookup:
794 * @internal_free_list:
795 * @sense: pool of sense
796 * @sense_dma:
797 * @sense_dma_pool:
798 * @reply_depth: hba reply queue depth:
799 * @reply_sz: per reply frame size:
800 * @reply: pool of replys:
801 * @reply_dma:
802 * @reply_dma_pool:
803 * @reply_free_queue_depth: reply free depth
804 * @reply_free: pool for reply free queue (32 bit addr)
805 * @reply_free_dma:
806 * @reply_free_dma_pool:
807 * @reply_free_host_index: tail index in pool to insert free replys
808 * @reply_post_queue_depth: reply post queue depth
809 * @reply_post_struct: struct for reply_post_free physical & virt address
810 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
811 * @rdpq_array_enable: rdpq_array support is enabled in the driver
812 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
813 * is assigned only ones
814 * @reply_queue_count: number of reply queue's
815 * @reply_queue_list: link list contaning the reply queue info
816 * @reply_post_host_index: head index in the pool where FW completes IO
817 * @delayed_tr_list: target reset link list
818 * @delayed_tr_volume_list: volume target reset link list
819 * @@temp_sensors_count: flag to carry the number of temperature sensors
820 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
821 * pci resource handling. PCI resource freeing will lead to free
822 * vital hardware/memory resource, which might be in use by cli/sysfs
823 * path functions resulting in Null pointer reference followed by kernel
824 * crash. To avoid the above race condition we use mutex syncrhonization
825 * which ensures the syncrhonization between cli/sysfs_show path
826 */
827struct MPT2SAS_ADAPTER {
828 struct list_head list;
829 struct Scsi_Host *shost;
830 u8 id;
831 int cpu_count;
832 char name[MPT_NAME_LENGTH];
833 char tmp_string[MPT_STRING_LENGTH];
834 struct pci_dev *pdev;
835 Mpi2SystemInterfaceRegs_t __iomem *chip;
836 resource_size_t chip_phys;
837 int logging_level;
838 int fwfault_debug;
839 u8 ir_firmware;
840 int bars;
841 u8 mask_interrupts;
842 int dma_mask;
843
844 /* fw fault handler */
845 char fault_reset_work_q_name[20];
846 struct workqueue_struct *fault_reset_work_q;
847 struct delayed_work fault_reset_work;
848
849 /* fw event handler */
850 char firmware_event_name[20];
851 struct workqueue_struct *firmware_event_thread;
852 spinlock_t fw_event_lock;
853 struct list_head fw_event_list;
854
855 /* misc flags */
856 int aen_event_read_flag;
857 u8 broadcast_aen_busy;
858 u16 broadcast_aen_pending;
859 u8 shost_recovery;
860
861 struct mutex reset_in_progress_mutex;
862 spinlock_t ioc_reset_in_progress_lock;
863 u8 ioc_link_reset_in_progress;
864 u8 ioc_reset_in_progress_status;
865
866 u8 ignore_loginfos;
867 u8 remove_host;
868 u8 pci_error_recovery;
869 u8 wait_for_discovery_to_complete;
870 struct completion port_enable_done;
871 u8 is_driver_loading;
872 u8 port_enable_failed;
873
874 u8 start_scan;
875 u16 start_scan_failed;
876
877 u8 msix_enable;
878 u16 msix_vector_count;
879 u8 *cpu_msix_table;
880 resource_size_t __iomem **reply_post_host_index;
881 u16 cpu_msix_table_sz;
882 u32 ioc_reset_count;
883 MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
884 u32 non_operational_loop;
885
886 /* internal commands, callback index */
887 u8 scsi_io_cb_idx;
888 u8 tm_cb_idx;
889 u8 transport_cb_idx;
890 u8 scsih_cb_idx;
891 u8 ctl_cb_idx;
892 u8 base_cb_idx;
893 u8 port_enable_cb_idx;
894 u8 config_cb_idx;
895 u8 tm_tr_cb_idx;
896 u8 tm_tr_volume_cb_idx;
897 u8 tm_sas_control_cb_idx;
898 struct _internal_cmd base_cmds;
899 struct _internal_cmd port_enable_cmds;
900 struct _internal_cmd transport_cmds;
901 struct _internal_cmd scsih_cmds;
902 struct _internal_cmd tm_cmds;
903 struct _internal_cmd ctl_cmds;
904 struct _internal_cmd config_cmds;
905
906 MPT_ADD_SGE base_add_sg_single;
907
908 /* event log */
909 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
910 u32 event_context;
911 void *event_log;
912 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
913
914 /* static config pages */
915 struct mpt2sas_facts facts;
916 struct mpt2sas_port_facts *pfacts;
917 Mpi2ManufacturingPage0_t manu_pg0;
918 Mpi2BiosPage2_t bios_pg2;
919 Mpi2BiosPage3_t bios_pg3;
920 Mpi2IOCPage8_t ioc_pg8;
921 Mpi2IOUnitPage0_t iounit_pg0;
922 Mpi2IOUnitPage1_t iounit_pg1;
923 Mpi2IOUnitPage8_t iounit_pg8;
924
925 struct _boot_device req_boot_device;
926 struct _boot_device req_alt_boot_device;
927 struct _boot_device current_boot_device;
928
929 /* sas hba, expander, and device list */
930 struct _sas_node sas_hba;
931 struct list_head sas_expander_list;
932 spinlock_t sas_node_lock;
933 struct list_head sas_device_list;
934 struct list_head sas_device_init_list;
935 spinlock_t sas_device_lock;
936 struct list_head raid_device_list;
937 spinlock_t raid_device_lock;
938 u8 io_missing_delay;
939 u16 device_missing_delay;
940 int sas_id;
941 void *blocking_handles;
942 void *pd_handles;
943 u16 pd_handles_sz;
944
945 /* config page */
946 u16 config_page_sz;
947 void *config_page;
948 dma_addr_t config_page_dma;
949
950 /* scsiio request */
951 u16 hba_queue_depth;
952 u16 sge_size;
953 u16 scsiio_depth;
954 u16 request_sz;
955 u8 *request;
956 dma_addr_t request_dma;
957 u32 request_dma_sz;
958 struct scsiio_tracker *scsi_lookup;
959 ulong scsi_lookup_pages;
960 spinlock_t scsi_lookup_lock;
961 struct list_head free_list;
962 int pending_io_count;
963 wait_queue_head_t reset_wq;
964
965 /* chain */
966 struct chain_tracker *chain_lookup;
967 struct list_head free_chain_list;
968 struct dma_pool *chain_dma_pool;
969 ulong chain_pages;
970 u16 max_sges_in_main_message;
971 u16 max_sges_in_chain_message;
972 u16 chains_needed_per_io;
973 u16 chain_offset_value_for_main_message;
974 u32 chain_depth;
975
976 /* hi-priority queue */
977 u16 hi_priority_smid;
978 u8 *hi_priority;
979 dma_addr_t hi_priority_dma;
980 u16 hi_priority_depth;
981 struct request_tracker *hpr_lookup;
982 struct list_head hpr_free_list;
983
984 /* internal queue */
985 u16 internal_smid;
986 u8 *internal;
987 dma_addr_t internal_dma;
988 u16 internal_depth;
989 struct request_tracker *internal_lookup;
990 struct list_head internal_free_list;
991
992 /* sense */
993 u8 *sense;
994 dma_addr_t sense_dma;
995 struct dma_pool *sense_dma_pool;
996
997 /* reply */
998 u16 reply_sz;
999 u8 *reply;
1000 dma_addr_t reply_dma;
1001 u32 reply_dma_max_address;
1002 u32 reply_dma_min_address;
1003 struct dma_pool *reply_dma_pool;
1004
1005 /* reply free queue */
1006 u16 reply_free_queue_depth;
1007 __le32 *reply_free;
1008 dma_addr_t reply_free_dma;
1009 struct dma_pool *reply_free_dma_pool;
1010 u32 reply_free_host_index;
1011
1012 /* reply post queue */
1013 u16 reply_post_queue_depth;
1014 struct reply_post_struct *reply_post;
1015 u8 rdpq_array_capable;
1016 u8 rdpq_array_enable;
1017 u8 rdpq_array_enable_assigned;
1018 struct dma_pool *reply_post_free_dma_pool;
1019 u8 reply_queue_count;
1020 struct list_head reply_queue_list;
1021
1022 struct list_head delayed_tr_list;
1023 struct list_head delayed_tr_volume_list;
1024 u8 temp_sensors_count;
1025
1026 /* diag buffer support */
1027 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1028 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1029 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1030 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1031 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1032 Mpi2ManufacturingPage10_t manu_pg10;
1033 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1034 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1035 u32 ring_buffer_offset;
1036 u32 ring_buffer_sz;
1037 u8 is_warpdrive;
1038 u8 hide_ir_msg;
1039 u8 mfg_pg10_hide_flag;
1040 u8 hide_drives;
1041
1042 struct mutex pci_access_mutex;
1043};
1044
1045typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1046 u32 reply);
1047
1048
1049/* base shared API */
1050extern struct list_head mpt2sas_ioc_list;
1051/* spinlock on list operations over IOCs
1052 * Case: when multiple warpdrive cards(IOCs) are in use
1053 * Each IOC will added to the ioc list stucture on initialization.
1054 * Watchdog threads run at regular intervals to check IOC for any
1055 * fault conditions which will trigger the dead_ioc thread to
1056 * deallocate pci resource, resulting deleting the IOC netry from list,
1057 * this deletion need to protected by spinlock to enusre that
1058 * ioc removal is syncrhonized, if not synchronized it might lead to
1059 * list_del corruption as the ioc list is traversed in cli path
1060 */
1061extern spinlock_t gioc_lock;
1062void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
1063void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
1064
1065int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
1066void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
1067int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
1068void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
1069int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
1070 enum reset_type type);
1071
1072void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1073void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1074void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
1075__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
1076 u16 smid);
1077void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
1078
1079/* hi-priority queue */
1080u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1081u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1082 struct scsi_cmnd *scmd);
1083
1084u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1085void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1086void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1087 u16 handle);
1088void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1089void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1090 u16 io_index);
1091void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1092void mpt2sas_base_initialize_callback_handler(void);
1093u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1094void mpt2sas_base_release_callback_handler(u8 cb_idx);
1095
1096u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1097 u32 reply);
1098u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1099 u8 msix_index, u32 reply);
1100void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
1101
1102u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
1103
1104void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
1105int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
1106 Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
1107 *mpi_request);
1108int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
1109 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1110void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
1111
1112void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
1113
1114void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
1115 u16 device_missing_delay, u8 io_missing_delay);
1116
1117int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
1118
1119/* scsih shared API */
1120void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1121 u32 reply);
1122int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
1123 uint channel, uint id, uint lun, u8 type, u16 smid_task,
1124 ulong timeout, enum mutex_type m_type);
1125void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1126void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1127void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1128void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
1129 u64 sas_address);
1130struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
1131 u16 handle);
1132struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
1133 *ioc, u64 sas_address);
1134struct _sas_device *mpt2sas_get_sdev_by_addr(
1135 struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1136struct _sas_device *__mpt2sas_get_sdev_by_addr(
1137 struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1138
1139void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
1140void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1141
1142/* config shared API */
1143u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1144 u32 reply);
1145int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
1146int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
1147 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1148int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
1149 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
1150int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1151 *mpi_reply, Mpi2BiosPage2_t *config_page);
1152int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1153 *mpi_reply, Mpi2BiosPage3_t *config_page);
1154int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1155 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1156int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1157 *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
1158int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1159 *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
1160int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1161 *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
1162int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1163 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1164int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1165 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1166int mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
1167 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1168int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
1169 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1170int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1171 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1172int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
1173 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1174int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1175 *mpi_reply, Mpi2IOCPage8_t *config_page);
1176int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1177 *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
1178int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1179 *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
1180int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1181 *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
1182int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1183 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1184int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1185 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1186int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1187 *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
1188int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
1189int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1190 *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
1191int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1192 *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
1193 u32 form_specific);
1194int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1195 u16 *volume_handle);
1196int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1197 u64 *wwid);
1198/* ctl shared API */
1199extern struct device_attribute *mpt2sas_host_attrs[];
1200extern struct device_attribute *mpt2sas_dev_attrs[];
1201void mpt2sas_ctl_init(void);
1202void mpt2sas_ctl_exit(void);
1203u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1204 u32 reply);
1205void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1206void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1207 u32 reply);
1208void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
1209 Mpi2EventNotificationReply_t *mpi_reply);
1210
1211void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
1212 u8 bits_to_regsiter);
1213
1214/* transport shared API */
1215u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1216 u32 reply);
1217struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
1218 u16 handle, u64 sas_address);
1219void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
1220 u64 sas_address_parent);
1221int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1222 *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1223int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1224 *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
1225void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
1226 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1227extern struct sas_function_template mpt2sas_transport_functions;
1228extern struct scsi_transport_template *mpt2sas_transport_template;
1229extern int scsi_internal_device_block(struct scsi_device *sdev);
1230extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
1231 u8 msix_index, u32 reply);
1232extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1233 enum scsi_device_state new_state);
1234
1235#endif /* MPT2SAS_BASE_H_INCLUDED */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
deleted file mode 100644
index c43815b1a485..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ /dev/null
@@ -1,1527 +0,0 @@
1/*
2 * This module provides common API for accessing firmware configuration pages
3 *
4 * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
5 * Copyright (C) 2007-2014 LSI Corporation
6 * Copyright (C) 20013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
45#include <linux/module.h>
46#include <linux/kernel.h>
47#include <linux/init.h>
48#include <linux/errno.h>
49#include <linux/blkdev.h>
50#include <linux/sched.h>
51#include <linux/workqueue.h>
52#include <linux/delay.h>
53#include <linux/pci.h>
54#include <linux/slab.h>
55
56#include "mpt2sas_base.h"
57
58/* local definitions */
59
60/* Timeout for config page request (in seconds) */
61#define MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT 15
62
63/* Common sgl flags for READING a config page. */
64#define MPT2_CONFIG_COMMON_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
65 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
66 | MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT)
67
68/* Common sgl flags for WRITING a config page. */
69#define MPT2_CONFIG_COMMON_WRITE_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
70 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
71 | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC) \
72 << MPI2_SGE_FLAGS_SHIFT)
73
74/**
75 * struct config_request - obtain dma memory via routine
76 * @sz: size
77 * @page: virt pointer
78 * @page_dma: phys pointer
79 *
80 */
81struct config_request{
82 u16 sz;
83 void *page;
84 dma_addr_t page_dma;
85};
86
87#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
88/**
89 * _config_display_some_debug - debug routine
90 * @ioc: per adapter object
91 * @smid: system request message index
92 * @calling_function_name: string pass from calling function
93 * @mpi_reply: reply message frame
94 * Context: none.
95 *
96 * Function for displaying debug info helpful when debugging issues
97 * in this module.
98 */
99static void
100_config_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
101 char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
102{
103 Mpi2ConfigRequest_t *mpi_request;
104 char *desc = NULL;
105
106 if (!(ioc->logging_level & MPT_DEBUG_CONFIG))
107 return;
108
109 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
110 switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) {
111 case MPI2_CONFIG_PAGETYPE_IO_UNIT:
112 desc = "io_unit";
113 break;
114 case MPI2_CONFIG_PAGETYPE_IOC:
115 desc = "ioc";
116 break;
117 case MPI2_CONFIG_PAGETYPE_BIOS:
118 desc = "bios";
119 break;
120 case MPI2_CONFIG_PAGETYPE_RAID_VOLUME:
121 desc = "raid_volume";
122 break;
123 case MPI2_CONFIG_PAGETYPE_MANUFACTURING:
124 desc = "manufaucturing";
125 break;
126 case MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK:
127 desc = "physdisk";
128 break;
129 case MPI2_CONFIG_PAGETYPE_EXTENDED:
130 switch (mpi_request->ExtPageType) {
131 case MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT:
132 desc = "sas_io_unit";
133 break;
134 case MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER:
135 desc = "sas_expander";
136 break;
137 case MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE:
138 desc = "sas_device";
139 break;
140 case MPI2_CONFIG_EXTPAGETYPE_SAS_PHY:
141 desc = "sas_phy";
142 break;
143 case MPI2_CONFIG_EXTPAGETYPE_LOG:
144 desc = "log";
145 break;
146 case MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE:
147 desc = "enclosure";
148 break;
149 case MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG:
150 desc = "raid_config";
151 break;
152 case MPI2_CONFIG_EXTPAGETYPE_DRIVER_MAPPING:
153 desc = "driver_mapping";
154 break;
155 }
156 break;
157 }
158
159 if (!desc)
160 return;
161
162 printk(MPT2SAS_INFO_FMT "%s: %s(%d), action(%d), form(0x%08x), "
163 "smid(%d)\n", ioc->name, calling_function_name, desc,
164 mpi_request->Header.PageNumber, mpi_request->Action,
165 le32_to_cpu(mpi_request->PageAddress), smid);
166
167 if (!mpi_reply)
168 return;
169
170 if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
171 printk(MPT2SAS_INFO_FMT
172 "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
173 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
174 le32_to_cpu(mpi_reply->IOCLogInfo));
175}
176#endif
177
178/**
179 * _config_alloc_config_dma_memory - obtain physical memory
180 * @ioc: per adapter object
181 * @mem: struct config_request
182 *
183 * A wrapper for obtaining dma-able memory for config page request.
184 *
185 * Returns 0 for success, non-zero for failure.
186 */
187static int
188_config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
189 struct config_request *mem)
190{
191 int r = 0;
192
193 if (mem->sz > ioc->config_page_sz) {
194 mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz,
195 &mem->page_dma, GFP_KERNEL);
196 if (!mem->page) {
197 printk(MPT2SAS_ERR_FMT "%s: dma_alloc_coherent"
198 " failed asking for (%d) bytes!!\n",
199 ioc->name, __func__, mem->sz);
200 r = -ENOMEM;
201 }
202 } else { /* use tmp buffer if less than 512 bytes */
203 mem->page = ioc->config_page;
204 mem->page_dma = ioc->config_page_dma;
205 }
206 return r;
207}
208
209/**
210 * _config_free_config_dma_memory - wrapper to free the memory
211 * @ioc: per adapter object
212 * @mem: struct config_request
213 *
214 * A wrapper to free dma-able memory when using _config_alloc_config_dma_memory.
215 *
216 * Returns 0 for success, non-zero for failure.
217 */
218static void
219_config_free_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
220 struct config_request *mem)
221{
222 if (mem->sz > ioc->config_page_sz)
223 dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page,
224 mem->page_dma);
225}
226
227/**
228 * mpt2sas_config_done - config page completion routine
229 * @ioc: per adapter object
230 * @smid: system request message index
231 * @msix_index: MSIX table index supplied by the OS
232 * @reply: reply message frame(lower 32bit addr)
233 * Context: none.
234 *
235 * The callback handler when using _config_request.
236 *
237 * Return 1 meaning mf should be freed from _base_interrupt
238 * 0 means the mf is freed from this function.
239 */
240u8
241mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
242 u32 reply)
243{
244 MPI2DefaultReply_t *mpi_reply;
245
246 if (ioc->config_cmds.status == MPT2_CMD_NOT_USED)
247 return 1;
248 if (ioc->config_cmds.smid != smid)
249 return 1;
250 ioc->config_cmds.status |= MPT2_CMD_COMPLETE;
251 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
252 if (mpi_reply) {
253 ioc->config_cmds.status |= MPT2_CMD_REPLY_VALID;
254 memcpy(ioc->config_cmds.reply, mpi_reply,
255 mpi_reply->MsgLength*4);
256 }
257 ioc->config_cmds.status &= ~MPT2_CMD_PENDING;
258#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
259 _config_display_some_debug(ioc, smid, "config_done", mpi_reply);
260#endif
261 ioc->config_cmds.smid = USHRT_MAX;
262 complete(&ioc->config_cmds.done);
263 return 1;
264}
265
266/**
267 * _config_request - main routine for sending config page requests
268 * @ioc: per adapter object
269 * @mpi_request: request message frame
270 * @mpi_reply: reply mf payload returned from firmware
271 * @timeout: timeout in seconds
272 * @config_page: contents of the config page
273 * @config_page_sz: size of config page
274 * Context: sleep
275 *
276 * A generic API for config page requests to firmware.
277 *
278 * The ioc->config_cmds.status flag should be MPT2_CMD_NOT_USED before calling
279 * this API.
280 *
281 * The callback index is set inside `ioc->config_cb_idx.
282 *
283 * Returns 0 for success, non-zero for failure.
284 */
285static int
286_config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
287 *mpi_request, Mpi2ConfigReply_t *mpi_reply, int timeout,
288 void *config_page, u16 config_page_sz)
289{
290 u16 smid;
291 u32 ioc_state;
292 unsigned long timeleft;
293 Mpi2ConfigRequest_t *config_request;
294 int r;
295 u8 retry_count, issue_host_reset = 0;
296 u16 wait_state_count;
297 struct config_request mem;
298
299 mutex_lock(&ioc->config_cmds.mutex);
300 if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) {
301 printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n",
302 ioc->name, __func__);
303 mutex_unlock(&ioc->config_cmds.mutex);
304 return -EAGAIN;
305 }
306
307 retry_count = 0;
308 memset(&mem, 0, sizeof(struct config_request));
309
310 mpi_request->VF_ID = 0; /* TODO */
311 mpi_request->VP_ID = 0;
312
313 if (config_page) {
314 mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion;
315 mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber;
316 mpi_request->Header.PageType = mpi_reply->Header.PageType;
317 mpi_request->Header.PageLength = mpi_reply->Header.PageLength;
318 mpi_request->ExtPageLength = mpi_reply->ExtPageLength;
319 mpi_request->ExtPageType = mpi_reply->ExtPageType;
320 if (mpi_request->Header.PageLength)
321 mem.sz = mpi_request->Header.PageLength * 4;
322 else
323 mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4;
324 r = _config_alloc_config_dma_memory(ioc, &mem);
325 if (r != 0)
326 goto out;
327 if (mpi_request->Action ==
328 MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT ||
329 mpi_request->Action ==
330 MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM) {
331 ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
332 MPT2_CONFIG_COMMON_WRITE_SGLFLAGS | mem.sz,
333 mem.page_dma);
334 memcpy(mem.page, config_page, min_t(u16, mem.sz,
335 config_page_sz));
336 } else {
337 memset(config_page, 0, config_page_sz);
338 ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
339 MPT2_CONFIG_COMMON_SGLFLAGS | mem.sz, mem.page_dma);
340 }
341 }
342
343 retry_config:
344 if (retry_count) {
345 if (retry_count > 2) { /* attempt only 2 retries */
346 r = -EFAULT;
347 goto free_mem;
348 }
349 printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
350 ioc->name, __func__, retry_count);
351 }
352 wait_state_count = 0;
353 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
354 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
355 if (wait_state_count++ == MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT) {
356 printk(MPT2SAS_ERR_FMT
357 "%s: failed due to ioc not operational\n",
358 ioc->name, __func__);
359 ioc->config_cmds.status = MPT2_CMD_NOT_USED;
360 r = -EFAULT;
361 goto free_mem;
362 }
363 ssleep(1);
364 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
365 printk(MPT2SAS_INFO_FMT "%s: waiting for "
366 "operational state(count=%d)\n", ioc->name,
367 __func__, wait_state_count);
368 }
369 if (wait_state_count)
370 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
371 ioc->name, __func__);
372
373 smid = mpt2sas_base_get_smid(ioc, ioc->config_cb_idx);
374 if (!smid) {
375 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
376 ioc->name, __func__);
377 ioc->config_cmds.status = MPT2_CMD_NOT_USED;
378 r = -EAGAIN;
379 goto free_mem;
380 }
381
382 r = 0;
383 memset(mpi_reply, 0, sizeof(Mpi2ConfigReply_t));
384 ioc->config_cmds.status = MPT2_CMD_PENDING;
385 config_request = mpt2sas_base_get_msg_frame(ioc, smid);
386 ioc->config_cmds.smid = smid;
387 memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t));
388#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
389 _config_display_some_debug(ioc, smid, "config_request", NULL);
390#endif
391 init_completion(&ioc->config_cmds.done);
392 mpt2sas_base_put_smid_default(ioc, smid);
393 timeleft = wait_for_completion_timeout(&ioc->config_cmds.done,
394 timeout*HZ);
395 if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
396 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
397 ioc->name, __func__);
398 _debug_dump_mf(mpi_request,
399 sizeof(Mpi2ConfigRequest_t)/4);
400 retry_count++;
401 if (ioc->config_cmds.smid == smid)
402 mpt2sas_base_free_smid(ioc, smid);
403 if ((ioc->shost_recovery) || (ioc->config_cmds.status &
404 MPT2_CMD_RESET) || ioc->pci_error_recovery)
405 goto retry_config;
406 issue_host_reset = 1;
407 r = -EFAULT;
408 goto free_mem;
409 }
410
411 if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID)
412 memcpy(mpi_reply, ioc->config_cmds.reply,
413 sizeof(Mpi2ConfigReply_t));
414 if (retry_count)
415 printk(MPT2SAS_INFO_FMT "%s: retry (%d) completed!!\n",
416 ioc->name, __func__, retry_count);
417 if (config_page && mpi_request->Action ==
418 MPI2_CONFIG_ACTION_PAGE_READ_CURRENT)
419 memcpy(config_page, mem.page, min_t(u16, mem.sz,
420 config_page_sz));
421 free_mem:
422 if (config_page)
423 _config_free_config_dma_memory(ioc, &mem);
424 out:
425 ioc->config_cmds.status = MPT2_CMD_NOT_USED;
426 mutex_unlock(&ioc->config_cmds.mutex);
427
428 if (issue_host_reset)
429 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
430 FORCE_BIG_HAMMER);
431 return r;
432}
433
434/**
435 * mpt2sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
436 * @ioc: per adapter object
437 * @mpi_reply: reply mf payload returned from firmware
438 * @config_page: contents of the config page
439 * Context: sleep.
440 *
441 * Returns 0 for success, non-zero for failure.
442 */
443int
444mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
445 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page)
446{
447 Mpi2ConfigRequest_t mpi_request;
448 int r;
449
450 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
451 mpi_request.Function = MPI2_FUNCTION_CONFIG;
452 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
453 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
454 mpi_request.Header.PageNumber = 0;
455 mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
456 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
457 r = _config_request(ioc, &mpi_request, mpi_reply,
458 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
459 if (r)
460 goto out;
461
462 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
463 r = _config_request(ioc, &mpi_request, mpi_reply,
464 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
465 sizeof(*config_page));
466 out:
467 return r;
468}
469
470/**
471 * mpt2sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
472 * @ioc: per adapter object
473 * @mpi_reply: reply mf payload returned from firmware
474 * @config_page: contents of the config page
475 * Context: sleep.
476 *
477 * Returns 0 for success, non-zero for failure.
478 */
479int
480mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
481 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page)
482{
483 Mpi2ConfigRequest_t mpi_request;
484 int r;
485
486 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
487 mpi_request.Function = MPI2_FUNCTION_CONFIG;
488 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
489 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
490 mpi_request.Header.PageNumber = 10;
491 mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
492 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
493 r = _config_request(ioc, &mpi_request, mpi_reply,
494 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
495 if (r)
496 goto out;
497
498 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
499 r = _config_request(ioc, &mpi_request, mpi_reply,
500 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
501 sizeof(*config_page));
502 out:
503 return r;
504}
505
506/**
507 * mpt2sas_config_get_bios_pg2 - obtain bios page 2
508 * @ioc: per adapter object
509 * @mpi_reply: reply mf payload returned from firmware
510 * @config_page: contents of the config page
511 * Context: sleep.
512 *
513 * Returns 0 for success, non-zero for failure.
514 */
515int
516mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
517 Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page)
518{
519 Mpi2ConfigRequest_t mpi_request;
520 int r;
521
522 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
523 mpi_request.Function = MPI2_FUNCTION_CONFIG;
524 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
525 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
526 mpi_request.Header.PageNumber = 2;
527 mpi_request.Header.PageVersion = MPI2_BIOSPAGE2_PAGEVERSION;
528 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
529 r = _config_request(ioc, &mpi_request, mpi_reply,
530 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
531 if (r)
532 goto out;
533
534 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
535 r = _config_request(ioc, &mpi_request, mpi_reply,
536 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
537 sizeof(*config_page));
538 out:
539 return r;
540}
541
542/**
543 * mpt2sas_config_get_bios_pg3 - obtain bios page 3
544 * @ioc: per adapter object
545 * @mpi_reply: reply mf payload returned from firmware
546 * @config_page: contents of the config page
547 * Context: sleep.
548 *
549 * Returns 0 for success, non-zero for failure.
550 */
551int
552mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
553 *mpi_reply, Mpi2BiosPage3_t *config_page)
554{
555 Mpi2ConfigRequest_t mpi_request;
556 int r;
557
558 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
559 mpi_request.Function = MPI2_FUNCTION_CONFIG;
560 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
561 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
562 mpi_request.Header.PageNumber = 3;
563 mpi_request.Header.PageVersion = MPI2_BIOSPAGE3_PAGEVERSION;
564 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
565 r = _config_request(ioc, &mpi_request, mpi_reply,
566 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
567 if (r)
568 goto out;
569
570 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
571 r = _config_request(ioc, &mpi_request, mpi_reply,
572 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
573 sizeof(*config_page));
574 out:
575 return r;
576}
577
578/**
579 * mpt2sas_config_get_iounit_pg0 - obtain iounit page 0
580 * @ioc: per adapter object
581 * @mpi_reply: reply mf payload returned from firmware
582 * @config_page: contents of the config page
583 * Context: sleep.
584 *
585 * Returns 0 for success, non-zero for failure.
586 */
587int
588mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
589 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page)
590{
591 Mpi2ConfigRequest_t mpi_request;
592 int r;
593
594 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
595 mpi_request.Function = MPI2_FUNCTION_CONFIG;
596 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
597 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
598 mpi_request.Header.PageNumber = 0;
599 mpi_request.Header.PageVersion = MPI2_IOUNITPAGE0_PAGEVERSION;
600 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
601 r = _config_request(ioc, &mpi_request, mpi_reply,
602 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
603 if (r)
604 goto out;
605
606 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
607 r = _config_request(ioc, &mpi_request, mpi_reply,
608 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
609 sizeof(*config_page));
610 out:
611 return r;
612}
613
614/**
615 * mpt2sas_config_get_iounit_pg1 - obtain iounit page 1
616 * @ioc: per adapter object
617 * @mpi_reply: reply mf payload returned from firmware
618 * @config_page: contents of the config page
619 * Context: sleep.
620 *
621 * Returns 0 for success, non-zero for failure.
622 */
623int
624mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
625 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
626{
627 Mpi2ConfigRequest_t mpi_request;
628 int r;
629
630 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
631 mpi_request.Function = MPI2_FUNCTION_CONFIG;
632 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
633 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
634 mpi_request.Header.PageNumber = 1;
635 mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
636 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
637 r = _config_request(ioc, &mpi_request, mpi_reply,
638 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
639 if (r)
640 goto out;
641
642 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
643 r = _config_request(ioc, &mpi_request, mpi_reply,
644 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
645 sizeof(*config_page));
646 out:
647 return r;
648}
649
650/**
651 * mpt2sas_config_set_iounit_pg1 - set iounit page 1
652 * @ioc: per adapter object
653 * @mpi_reply: reply mf payload returned from firmware
654 * @config_page: contents of the config page
655 * Context: sleep.
656 *
657 * Returns 0 for success, non-zero for failure.
658 */
659int
660mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
661 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
662{
663 Mpi2ConfigRequest_t mpi_request;
664 int r;
665
666 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
667 mpi_request.Function = MPI2_FUNCTION_CONFIG;
668 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
669 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
670 mpi_request.Header.PageNumber = 1;
671 mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
672 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
673 r = _config_request(ioc, &mpi_request, mpi_reply,
674 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
675 if (r)
676 goto out;
677
678 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
679 r = _config_request(ioc, &mpi_request, mpi_reply,
680 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
681 sizeof(*config_page));
682 out:
683 return r;
684}
685
686/**
687 * mpt2sas_config_get_iounit_pg3 - obtain iounit page 3
688 * @ioc: per adapter object
689 * @mpi_reply: reply mf payload returned from firmware
690 * @config_page: contents of the config page
691 * @sz: size of buffer passed in config_page
692 * Context: sleep.
693 *
694 * Returns 0 for success, non-zero for failure.
695 */
696int
697mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
698 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz)
699{
700 Mpi2ConfigRequest_t mpi_request;
701 int r;
702
703 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
704 mpi_request.Function = MPI2_FUNCTION_CONFIG;
705 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
706 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
707 mpi_request.Header.PageNumber = 3;
708 mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION;
709 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
710 r = _config_request(ioc, &mpi_request, mpi_reply,
711 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
712 if (r)
713 goto out;
714
715 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
716 r = _config_request(ioc, &mpi_request, mpi_reply,
717 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
718 out:
719 return r;
720}
721
722/**
723 * mpt2sas_config_get_iounit_pg8 - obtain iounit page 8
724 * @ioc: per adapter object
725 * @mpi_reply: reply mf payload returned from firmware
726 * @config_page: contents of the config page
727 * Context: sleep.
728 *
729 * Returns 0 for success, non-zero for failure.
730 */
731int
732mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
733 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page)
734{
735 Mpi2ConfigRequest_t mpi_request;
736 int r;
737
738 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
739 mpi_request.Function = MPI2_FUNCTION_CONFIG;
740 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
741 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
742 mpi_request.Header.PageNumber = 8;
743 mpi_request.Header.PageVersion = MPI2_IOUNITPAGE8_PAGEVERSION;
744 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
745 r = _config_request(ioc, &mpi_request, mpi_reply,
746 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
747 if (r)
748 goto out;
749
750 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
751 r = _config_request(ioc, &mpi_request, mpi_reply,
752 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
753 sizeof(*config_page));
754 out:
755 return r;
756}
757
758/**
759 * mpt2sas_config_get_ioc_pg8 - obtain ioc page 8
760 * @ioc: per adapter object
761 * @mpi_reply: reply mf payload returned from firmware
762 * @config_page: contents of the config page
763 * Context: sleep.
764 *
765 * Returns 0 for success, non-zero for failure.
766 */
767int
768mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
769 Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page)
770{
771 Mpi2ConfigRequest_t mpi_request;
772 int r;
773
774 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
775 mpi_request.Function = MPI2_FUNCTION_CONFIG;
776 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
777 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
778 mpi_request.Header.PageNumber = 8;
779 mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
780 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
781 r = _config_request(ioc, &mpi_request, mpi_reply,
782 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
783 if (r)
784 goto out;
785
786 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
787 r = _config_request(ioc, &mpi_request, mpi_reply,
788 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
789 sizeof(*config_page));
790 out:
791 return r;
792}
793
794/**
795 * mpt2sas_config_get_sas_device_pg0 - obtain sas device page 0
796 * @ioc: per adapter object
797 * @mpi_reply: reply mf payload returned from firmware
798 * @config_page: contents of the config page
799 * @form: GET_NEXT_HANDLE or HANDLE
800 * @handle: device handle
801 * Context: sleep.
802 *
803 * Returns 0 for success, non-zero for failure.
804 */
805int
806mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
807 *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle)
808{
809 Mpi2ConfigRequest_t mpi_request;
810 int r;
811
812 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
813 mpi_request.Function = MPI2_FUNCTION_CONFIG;
814 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
815 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
816 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
817 mpi_request.Header.PageVersion = MPI2_SASDEVICE0_PAGEVERSION;
818 mpi_request.Header.PageNumber = 0;
819 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
820 r = _config_request(ioc, &mpi_request, mpi_reply,
821 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
822 if (r)
823 goto out;
824
825 mpi_request.PageAddress = cpu_to_le32(form | handle);
826 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
827 r = _config_request(ioc, &mpi_request, mpi_reply,
828 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
829 sizeof(*config_page));
830 out:
831 return r;
832}
833
834/**
835 * mpt2sas_config_get_sas_device_pg1 - obtain sas device page 1
836 * @ioc: per adapter object
837 * @mpi_reply: reply mf payload returned from firmware
838 * @config_page: contents of the config page
839 * @form: GET_NEXT_HANDLE or HANDLE
840 * @handle: device handle
841 * Context: sleep.
842 *
843 * Returns 0 for success, non-zero for failure.
844 */
845int
846mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
847 *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle)
848{
849 Mpi2ConfigRequest_t mpi_request;
850 int r;
851
852 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
853 mpi_request.Function = MPI2_FUNCTION_CONFIG;
854 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
855 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
856 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
857 mpi_request.Header.PageVersion = MPI2_SASDEVICE1_PAGEVERSION;
858 mpi_request.Header.PageNumber = 1;
859 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
860 r = _config_request(ioc, &mpi_request, mpi_reply,
861 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
862 if (r)
863 goto out;
864
865 mpi_request.PageAddress = cpu_to_le32(form | handle);
866 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
867 r = _config_request(ioc, &mpi_request, mpi_reply,
868 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
869 sizeof(*config_page));
870 out:
871 return r;
872}
873
874/**
875 * mpt2sas_config_get_number_hba_phys - obtain number of phys on the host
876 * @ioc: per adapter object
877 * @num_phys: pointer returned with the number of phys
878 * Context: sleep.
879 *
880 * Returns 0 for success, non-zero for failure.
881 */
882int
883mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
884{
885 Mpi2ConfigRequest_t mpi_request;
886 int r;
887 u16 ioc_status;
888 Mpi2ConfigReply_t mpi_reply;
889 Mpi2SasIOUnitPage0_t config_page;
890
891 *num_phys = 0;
892 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
893 mpi_request.Function = MPI2_FUNCTION_CONFIG;
894 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
895 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
896 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
897 mpi_request.Header.PageNumber = 0;
898 mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
899 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
900 r = _config_request(ioc, &mpi_request, &mpi_reply,
901 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
902 if (r)
903 goto out;
904
905 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
906 r = _config_request(ioc, &mpi_request, &mpi_reply,
907 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
908 sizeof(Mpi2SasIOUnitPage0_t));
909 if (!r) {
910 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
911 MPI2_IOCSTATUS_MASK;
912 if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
913 *num_phys = config_page.NumPhys;
914 }
915 out:
916 return r;
917}
918
919/**
920 * mpt2sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
921 * @ioc: per adapter object
922 * @mpi_reply: reply mf payload returned from firmware
923 * @config_page: contents of the config page
924 * @sz: size of buffer passed in config_page
925 * Context: sleep.
926 *
927 * Calling function should call config_get_number_hba_phys prior to
928 * this function, so enough memory is allocated for config_page.
929 *
930 * Returns 0 for success, non-zero for failure.
931 */
932int
933mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
934 *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz)
935{
936 Mpi2ConfigRequest_t mpi_request;
937 int r;
938
939 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
940 mpi_request.Function = MPI2_FUNCTION_CONFIG;
941 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
942 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
943 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
944 mpi_request.Header.PageNumber = 0;
945 mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
946 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
947 r = _config_request(ioc, &mpi_request, mpi_reply,
948 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
949 if (r)
950 goto out;
951
952 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
953 r = _config_request(ioc, &mpi_request, mpi_reply,
954 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
955 out:
956 return r;
957}
958
959/**
960 * mpt2sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
961 * @ioc: per adapter object
962 * @mpi_reply: reply mf payload returned from firmware
963 * @config_page: contents of the config page
964 * @sz: size of buffer passed in config_page
965 * Context: sleep.
966 *
967 * Calling function should call config_get_number_hba_phys prior to
968 * this function, so enough memory is allocated for config_page.
969 *
970 * Returns 0 for success, non-zero for failure.
971 */
972int
973mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
974 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
975{
976 Mpi2ConfigRequest_t mpi_request;
977 int r;
978
979 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
980 mpi_request.Function = MPI2_FUNCTION_CONFIG;
981 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
982 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
983 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
984 mpi_request.Header.PageNumber = 1;
985 mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
986 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
987 r = _config_request(ioc, &mpi_request, mpi_reply,
988 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
989 if (r)
990 goto out;
991
992 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
993 r = _config_request(ioc, &mpi_request, mpi_reply,
994 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
995 out:
996 return r;
997}
998
999/**
1000 * mpt2sas_config_set_sas_iounit_pg1 - send sas iounit page 1
1001 * @ioc: per adapter object
1002 * @mpi_reply: reply mf payload returned from firmware
1003 * @config_page: contents of the config page
1004 * @sz: size of buffer passed in config_page
1005 * Context: sleep.
1006 *
1007 * Calling function should call config_get_number_hba_phys prior to
1008 * this function, so enough memory is allocated for config_page.
1009 *
1010 * Returns 0 for success, non-zero for failure.
1011 */
1012int
1013mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1014 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
1015{
1016 Mpi2ConfigRequest_t mpi_request;
1017 int r;
1018
1019 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1020 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1021 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1022 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1023 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
1024 mpi_request.Header.PageNumber = 1;
1025 mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
1026 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1027 r = _config_request(ioc, &mpi_request, mpi_reply,
1028 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1029 if (r)
1030 goto out;
1031
1032 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
1033 _config_request(ioc, &mpi_request, mpi_reply,
1034 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
1035 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM;
1036 r = _config_request(ioc, &mpi_request, mpi_reply,
1037 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
1038 out:
1039 return r;
1040}
1041
1042/**
1043 * mpt2sas_config_get_expander_pg0 - obtain expander page 0
1044 * @ioc: per adapter object
1045 * @mpi_reply: reply mf payload returned from firmware
1046 * @config_page: contents of the config page
1047 * @form: GET_NEXT_HANDLE or HANDLE
1048 * @handle: expander handle
1049 * Context: sleep.
1050 *
1051 * Returns 0 for success, non-zero for failure.
1052 */
1053int
1054mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1055 *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle)
1056{
1057 Mpi2ConfigRequest_t mpi_request;
1058 int r;
1059
1060 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1061 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1062 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1063 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1064 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
1065 mpi_request.Header.PageNumber = 0;
1066 mpi_request.Header.PageVersion = MPI2_SASEXPANDER0_PAGEVERSION;
1067 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1068 r = _config_request(ioc, &mpi_request, mpi_reply,
1069 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1070 if (r)
1071 goto out;
1072
1073 mpi_request.PageAddress = cpu_to_le32(form | handle);
1074 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1075 r = _config_request(ioc, &mpi_request, mpi_reply,
1076 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1077 sizeof(*config_page));
1078 out:
1079 return r;
1080}
1081
1082/**
1083 * mpt2sas_config_get_expander_pg1 - obtain expander page 1
1084 * @ioc: per adapter object
1085 * @mpi_reply: reply mf payload returned from firmware
1086 * @config_page: contents of the config page
1087 * @phy_number: phy number
1088 * @handle: expander handle
1089 * Context: sleep.
1090 *
1091 * Returns 0 for success, non-zero for failure.
1092 */
1093int
1094mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1095 *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number,
1096 u16 handle)
1097{
1098 Mpi2ConfigRequest_t mpi_request;
1099 int r;
1100
1101 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1102 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1103 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1104 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1105 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
1106 mpi_request.Header.PageNumber = 1;
1107 mpi_request.Header.PageVersion = MPI2_SASEXPANDER1_PAGEVERSION;
1108 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1109 r = _config_request(ioc, &mpi_request, mpi_reply,
1110 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1111 if (r)
1112 goto out;
1113
1114 mpi_request.PageAddress =
1115 cpu_to_le32(MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM |
1116 (phy_number << MPI2_SAS_EXPAND_PGAD_PHYNUM_SHIFT) | handle);
1117 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1118 r = _config_request(ioc, &mpi_request, mpi_reply,
1119 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1120 sizeof(*config_page));
1121 out:
1122 return r;
1123}
1124
1125/**
1126 * mpt2sas_config_get_enclosure_pg0 - obtain enclosure page 0
1127 * @ioc: per adapter object
1128 * @mpi_reply: reply mf payload returned from firmware
1129 * @config_page: contents of the config page
1130 * @form: GET_NEXT_HANDLE or HANDLE
1131 * @handle: expander handle
1132 * Context: sleep.
1133 *
1134 * Returns 0 for success, non-zero for failure.
1135 */
1136int
1137mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1138 *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle)
1139{
1140 Mpi2ConfigRequest_t mpi_request;
1141 int r;
1142
1143 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1144 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1145 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1146 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1147 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE;
1148 mpi_request.Header.PageNumber = 0;
1149 mpi_request.Header.PageVersion = MPI2_SASENCLOSURE0_PAGEVERSION;
1150 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1151 r = _config_request(ioc, &mpi_request, mpi_reply,
1152 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1153 if (r)
1154 goto out;
1155
1156 mpi_request.PageAddress = cpu_to_le32(form | handle);
1157 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1158 r = _config_request(ioc, &mpi_request, mpi_reply,
1159 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1160 sizeof(*config_page));
1161 out:
1162 return r;
1163}
1164
1165/**
1166 * mpt2sas_config_get_phy_pg0 - obtain phy page 0
1167 * @ioc: per adapter object
1168 * @mpi_reply: reply mf payload returned from firmware
1169 * @config_page: contents of the config page
1170 * @phy_number: phy number
1171 * Context: sleep.
1172 *
1173 * Returns 0 for success, non-zero for failure.
1174 */
1175int
1176mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1177 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number)
1178{
1179 Mpi2ConfigRequest_t mpi_request;
1180 int r;
1181
1182 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1183 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1184 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1185 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1186 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
1187 mpi_request.Header.PageNumber = 0;
1188 mpi_request.Header.PageVersion = MPI2_SASPHY0_PAGEVERSION;
1189 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1190 r = _config_request(ioc, &mpi_request, mpi_reply,
1191 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1192 if (r)
1193 goto out;
1194
1195 mpi_request.PageAddress =
1196 cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
1197 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1198 r = _config_request(ioc, &mpi_request, mpi_reply,
1199 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1200 sizeof(*config_page));
1201 out:
1202 return r;
1203}
1204
1205/**
1206 * mpt2sas_config_get_phy_pg1 - obtain phy page 1
1207 * @ioc: per adapter object
1208 * @mpi_reply: reply mf payload returned from firmware
1209 * @config_page: contents of the config page
1210 * @phy_number: phy number
1211 * Context: sleep.
1212 *
1213 * Returns 0 for success, non-zero for failure.
1214 */
1215int
1216mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1217 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number)
1218{
1219 Mpi2ConfigRequest_t mpi_request;
1220 int r;
1221
1222 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1223 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1224 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1225 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1226 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
1227 mpi_request.Header.PageNumber = 1;
1228 mpi_request.Header.PageVersion = MPI2_SASPHY1_PAGEVERSION;
1229 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1230 r = _config_request(ioc, &mpi_request, mpi_reply,
1231 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1232 if (r)
1233 goto out;
1234
1235 mpi_request.PageAddress =
1236 cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
1237 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1238 r = _config_request(ioc, &mpi_request, mpi_reply,
1239 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1240 sizeof(*config_page));
1241 out:
1242 return r;
1243}
1244
1245/**
1246 * mpt2sas_config_get_raid_volume_pg1 - obtain raid volume page 1
1247 * @ioc: per adapter object
1248 * @mpi_reply: reply mf payload returned from firmware
1249 * @config_page: contents of the config page
1250 * @form: GET_NEXT_HANDLE or HANDLE
1251 * @handle: volume handle
1252 * Context: sleep.
1253 *
1254 * Returns 0 for success, non-zero for failure.
1255 */
1256int
1257mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
1258 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1259 u32 handle)
1260{
1261 Mpi2ConfigRequest_t mpi_request;
1262 int r;
1263
1264 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1265 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1266 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1267 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
1268 mpi_request.Header.PageNumber = 1;
1269 mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE1_PAGEVERSION;
1270 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1271 r = _config_request(ioc, &mpi_request, mpi_reply,
1272 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1273 if (r)
1274 goto out;
1275
1276 mpi_request.PageAddress = cpu_to_le32(form | handle);
1277 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1278 r = _config_request(ioc, &mpi_request, mpi_reply,
1279 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1280 sizeof(*config_page));
1281 out:
1282 return r;
1283}
1284
1285/**
1286 * mpt2sas_config_get_number_pds - obtain number of phys disk assigned to volume
1287 * @ioc: per adapter object
1288 * @handle: volume handle
1289 * @num_pds: returns pds count
1290 * Context: sleep.
1291 *
1292 * Returns 0 for success, non-zero for failure.
1293 */
1294int
1295mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
1296 u8 *num_pds)
1297{
1298 Mpi2ConfigRequest_t mpi_request;
1299 Mpi2RaidVolPage0_t config_page;
1300 Mpi2ConfigReply_t mpi_reply;
1301 int r;
1302 u16 ioc_status;
1303
1304 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1305 *num_pds = 0;
1306 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1307 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1308 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
1309 mpi_request.Header.PageNumber = 0;
1310 mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
1311 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1312 r = _config_request(ioc, &mpi_request, &mpi_reply,
1313 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1314 if (r)
1315 goto out;
1316
1317 mpi_request.PageAddress =
1318 cpu_to_le32(MPI2_RAID_VOLUME_PGAD_FORM_HANDLE | handle);
1319 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1320 r = _config_request(ioc, &mpi_request, &mpi_reply,
1321 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
1322 sizeof(Mpi2RaidVolPage0_t));
1323 if (!r) {
1324 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1325 MPI2_IOCSTATUS_MASK;
1326 if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
1327 *num_pds = config_page.NumPhysDisks;
1328 }
1329
1330 out:
1331 return r;
1332}
1333
1334/**
1335 * mpt2sas_config_get_raid_volume_pg0 - obtain raid volume page 0
1336 * @ioc: per adapter object
1337 * @mpi_reply: reply mf payload returned from firmware
1338 * @config_page: contents of the config page
1339 * @form: GET_NEXT_HANDLE or HANDLE
1340 * @handle: volume handle
1341 * @sz: size of buffer passed in config_page
1342 * Context: sleep.
1343 *
1344 * Returns 0 for success, non-zero for failure.
1345 */
1346int
1347mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc,
1348 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1349 u32 handle, u16 sz)
1350{
1351 Mpi2ConfigRequest_t mpi_request;
1352 int r;
1353
1354 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1355 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1356 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1357 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
1358 mpi_request.Header.PageNumber = 0;
1359 mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
1360 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1361 r = _config_request(ioc, &mpi_request, mpi_reply,
1362 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1363 if (r)
1364 goto out;
1365
1366 mpi_request.PageAddress = cpu_to_le32(form | handle);
1367 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1368 r = _config_request(ioc, &mpi_request, mpi_reply,
1369 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
1370 out:
1371 return r;
1372}
1373
1374/**
1375 * mpt2sas_config_get_phys_disk_pg0 - obtain phys disk page 0
1376 * @ioc: per adapter object
1377 * @mpi_reply: reply mf payload returned from firmware
1378 * @config_page: contents of the config page
1379 * @form: GET_NEXT_PHYSDISKNUM, PHYSDISKNUM, DEVHANDLE
1380 * @form_specific: specific to the form
1381 * Context: sleep.
1382 *
1383 * Returns 0 for success, non-zero for failure.
1384 */
1385int
1386mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1387 *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
1388 u32 form_specific)
1389{
1390 Mpi2ConfigRequest_t mpi_request;
1391 int r;
1392
1393 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1394 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1395 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1396 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK;
1397 mpi_request.Header.PageNumber = 0;
1398 mpi_request.Header.PageVersion = MPI2_RAIDPHYSDISKPAGE0_PAGEVERSION;
1399 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1400 r = _config_request(ioc, &mpi_request, mpi_reply,
1401 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1402 if (r)
1403 goto out;
1404
1405 mpi_request.PageAddress = cpu_to_le32(form | form_specific);
1406 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1407 r = _config_request(ioc, &mpi_request, mpi_reply,
1408 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1409 sizeof(*config_page));
1410 out:
1411 return r;
1412}
1413
1414/**
1415 * mpt2sas_config_get_volume_handle - returns volume handle for give hidden raid components
1416 * @ioc: per adapter object
1417 * @pd_handle: phys disk handle
1418 * @volume_handle: volume handle
1419 * Context: sleep.
1420 *
1421 * Returns 0 for success, non-zero for failure.
1422 */
1423int
1424mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1425 u16 *volume_handle)
1426{
1427 Mpi2RaidConfigurationPage0_t *config_page = NULL;
1428 Mpi2ConfigRequest_t mpi_request;
1429 Mpi2ConfigReply_t mpi_reply;
1430 int r, i, config_page_sz;
1431 u16 ioc_status;
1432 int config_num;
1433 u16 element_type;
1434 u16 phys_disk_dev_handle;
1435
1436 *volume_handle = 0;
1437 memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1438 mpi_request.Function = MPI2_FUNCTION_CONFIG;
1439 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1440 mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1441 mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG;
1442 mpi_request.Header.PageVersion = MPI2_RAIDCONFIG0_PAGEVERSION;
1443 mpi_request.Header.PageNumber = 0;
1444 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1445 r = _config_request(ioc, &mpi_request, &mpi_reply,
1446 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1447 if (r)
1448 goto out;
1449
1450 mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1451 config_page_sz = (le16_to_cpu(mpi_reply.ExtPageLength) * 4);
1452 config_page = kmalloc(config_page_sz, GFP_KERNEL);
1453 if (!config_page) {
1454 r = -1;
1455 goto out;
1456 }
1457 config_num = 0xff;
1458 while (1) {
1459 mpi_request.PageAddress = cpu_to_le32(config_num +
1460 MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM);
1461 r = _config_request(ioc, &mpi_request, &mpi_reply,
1462 MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1463 config_page_sz);
1464 if (r)
1465 goto out;
1466 r = -1;
1467 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1468 MPI2_IOCSTATUS_MASK;
1469 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
1470 goto out;
1471 for (i = 0; i < config_page->NumElements; i++) {
1472 element_type = le16_to_cpu(config_page->
1473 ConfigElement[i].ElementFlags) &
1474 MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE;
1475 if (element_type ==
1476 MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT ||
1477 element_type ==
1478 MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT) {
1479 phys_disk_dev_handle =
1480 le16_to_cpu(config_page->ConfigElement[i].
1481 PhysDiskDevHandle);
1482 if (phys_disk_dev_handle == pd_handle) {
1483 *volume_handle =
1484 le16_to_cpu(config_page->
1485 ConfigElement[i].VolDevHandle);
1486 r = 0;
1487 goto out;
1488 }
1489 } else if (element_type ==
1490 MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT) {
1491 *volume_handle = 0;
1492 r = 0;
1493 goto out;
1494 }
1495 }
1496 config_num = config_page->ConfigNum;
1497 }
1498 out:
1499 kfree(config_page);
1500 return r;
1501}
1502
1503/**
1504 * mpt2sas_config_get_volume_wwid - returns wwid given the volume handle
1505 * @ioc: per adapter object
1506 * @volume_handle: volume handle
1507 * @wwid: volume wwid
1508 * Context: sleep.
1509 *
1510 * Returns 0 for success, non-zero for failure.
1511 */
1512int
1513mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1514 u64 *wwid)
1515{
1516 Mpi2ConfigReply_t mpi_reply;
1517 Mpi2RaidVolPage1_t raid_vol_pg1;
1518
1519 *wwid = 0;
1520 if (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
1521 &raid_vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE,
1522 volume_handle))) {
1523 *wwid = le64_to_cpu(raid_vol_pg1.WWID);
1524 return 0;
1525 } else
1526 return -1;
1527}
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
deleted file mode 100644
index 3694b63bd993..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ /dev/null
@@ -1,3101 +0,0 @@
1/*
2 * Management Module Support for MPT (Message Passing Technology) based
3 * controllers
4 *
5 * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
6 * Copyright (C) 2007-2014 LSI Corporation
7 * Copyright (C) 20013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * NO WARRANTY
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
30
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
43 * USA.
44 */
45
46#include <linux/kernel.h>
47#include <linux/module.h>
48#include <linux/errno.h>
49#include <linux/init.h>
50#include <linux/slab.h>
51#include <linux/types.h>
52#include <linux/pci.h>
53#include <linux/delay.h>
54#include <linux/mutex.h>
55#include <linux/compat.h>
56#include <linux/poll.h>
57
58#include <linux/io.h>
59#include <linux/uaccess.h>
60
61#include "mpt2sas_base.h"
62#include "mpt2sas_ctl.h"
63
64static DEFINE_MUTEX(_ctl_mutex);
65static struct fasync_struct *async_queue;
66static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
67
68static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type,
69 u8 *issue_reset);
70
71/**
72 * enum block_state - blocking state
73 * @NON_BLOCKING: non blocking
74 * @BLOCKING: blocking
75 *
76 * These states are for ioctls that need to wait for a response
77 * from firmware, so they probably require sleep.
78 */
79enum block_state {
80 NON_BLOCKING,
81 BLOCKING,
82};
83
84#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
85/**
86 * _ctl_sas_device_find_by_handle - sas device search
87 * @ioc: per adapter object
88 * @handle: sas device handle (assigned by firmware)
89 * Context: Calling function should acquire ioc->sas_device_lock
90 *
91 * This searches for sas_device based on sas_address, then return sas_device
92 * object.
93 */
94static struct _sas_device *
95_ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
96{
97 struct _sas_device *sas_device, *r;
98
99 r = NULL;
100 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
101 if (sas_device->handle != handle)
102 continue;
103 r = sas_device;
104 goto out;
105 }
106
107 out:
108 return r;
109}
110
111/**
112 * _ctl_display_some_debug - debug routine
113 * @ioc: per adapter object
114 * @smid: system request message index
115 * @calling_function_name: string pass from calling function
116 * @mpi_reply: reply message frame
117 * Context: none.
118 *
119 * Function for displaying debug info helpful when debugging issues
120 * in this module.
121 */
122static void
123_ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
124 char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
125{
126 Mpi2ConfigRequest_t *mpi_request;
127 char *desc = NULL;
128
129 if (!(ioc->logging_level & MPT_DEBUG_IOCTL))
130 return;
131
132 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
133 switch (mpi_request->Function) {
134 case MPI2_FUNCTION_SCSI_IO_REQUEST:
135 {
136 Mpi2SCSIIORequest_t *scsi_request =
137 (Mpi2SCSIIORequest_t *)mpi_request;
138
139 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
140 "scsi_io, cmd(0x%02x), cdb_len(%d)",
141 scsi_request->CDB.CDB32[0],
142 le16_to_cpu(scsi_request->IoFlags) & 0xF);
143 desc = ioc->tmp_string;
144 break;
145 }
146 case MPI2_FUNCTION_SCSI_TASK_MGMT:
147 desc = "task_mgmt";
148 break;
149 case MPI2_FUNCTION_IOC_INIT:
150 desc = "ioc_init";
151 break;
152 case MPI2_FUNCTION_IOC_FACTS:
153 desc = "ioc_facts";
154 break;
155 case MPI2_FUNCTION_CONFIG:
156 {
157 Mpi2ConfigRequest_t *config_request =
158 (Mpi2ConfigRequest_t *)mpi_request;
159
160 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
161 "config, type(0x%02x), ext_type(0x%02x), number(%d)",
162 (config_request->Header.PageType &
163 MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType,
164 config_request->Header.PageNumber);
165 desc = ioc->tmp_string;
166 break;
167 }
168 case MPI2_FUNCTION_PORT_FACTS:
169 desc = "port_facts";
170 break;
171 case MPI2_FUNCTION_PORT_ENABLE:
172 desc = "port_enable";
173 break;
174 case MPI2_FUNCTION_EVENT_NOTIFICATION:
175 desc = "event_notification";
176 break;
177 case MPI2_FUNCTION_FW_DOWNLOAD:
178 desc = "fw_download";
179 break;
180 case MPI2_FUNCTION_FW_UPLOAD:
181 desc = "fw_upload";
182 break;
183 case MPI2_FUNCTION_RAID_ACTION:
184 desc = "raid_action";
185 break;
186 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
187 {
188 Mpi2SCSIIORequest_t *scsi_request =
189 (Mpi2SCSIIORequest_t *)mpi_request;
190
191 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
192 "raid_pass, cmd(0x%02x), cdb_len(%d)",
193 scsi_request->CDB.CDB32[0],
194 le16_to_cpu(scsi_request->IoFlags) & 0xF);
195 desc = ioc->tmp_string;
196 break;
197 }
198 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
199 desc = "sas_iounit_cntl";
200 break;
201 case MPI2_FUNCTION_SATA_PASSTHROUGH:
202 desc = "sata_pass";
203 break;
204 case MPI2_FUNCTION_DIAG_BUFFER_POST:
205 desc = "diag_buffer_post";
206 break;
207 case MPI2_FUNCTION_DIAG_RELEASE:
208 desc = "diag_release";
209 break;
210 case MPI2_FUNCTION_SMP_PASSTHROUGH:
211 desc = "smp_passthrough";
212 break;
213 }
214
215 if (!desc)
216 return;
217
218 printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n",
219 ioc->name, calling_function_name, desc, smid);
220
221 if (!mpi_reply)
222 return;
223
224 if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
225 printk(MPT2SAS_INFO_FMT
226 "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
227 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
228 le32_to_cpu(mpi_reply->IOCLogInfo));
229
230 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
231 mpi_request->Function ==
232 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
233 Mpi2SCSIIOReply_t *scsi_reply =
234 (Mpi2SCSIIOReply_t *)mpi_reply;
235 struct _sas_device *sas_device = NULL;
236 unsigned long flags;
237
238 spin_lock_irqsave(&ioc->sas_device_lock, flags);
239 sas_device = _ctl_sas_device_find_by_handle(ioc,
240 le16_to_cpu(scsi_reply->DevHandle));
241 if (sas_device) {
242 printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
243 "phy(%d)\n", ioc->name, (unsigned long long)
244 sas_device->sas_address, sas_device->phy);
245 printk(MPT2SAS_WARN_FMT
246 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
247 ioc->name, sas_device->enclosure_logical_id,
248 sas_device->slot);
249 }
250 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
251 if (scsi_reply->SCSIState || scsi_reply->SCSIStatus)
252 printk(MPT2SAS_INFO_FMT
253 "\tscsi_state(0x%02x), scsi_status"
254 "(0x%02x)\n", ioc->name,
255 scsi_reply->SCSIState,
256 scsi_reply->SCSIStatus);
257 }
258}
259#endif
260
261/**
262 * mpt2sas_ctl_done - ctl module completion routine
263 * @ioc: per adapter object
264 * @smid: system request message index
265 * @msix_index: MSIX table index supplied by the OS
266 * @reply: reply message frame(lower 32bit addr)
267 * Context: none.
268 *
269 * The callback handler when using ioc->ctl_cb_idx.
270 *
271 * Return 1 meaning mf should be freed from _base_interrupt
272 * 0 means the mf is freed from this function.
273 */
274u8
275mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
276 u32 reply)
277{
278 MPI2DefaultReply_t *mpi_reply;
279 Mpi2SCSIIOReply_t *scsiio_reply;
280 const void *sense_data;
281 u32 sz;
282
283 if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED)
284 return 1;
285 if (ioc->ctl_cmds.smid != smid)
286 return 1;
287 ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE;
288 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
289 if (mpi_reply) {
290 memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
291 ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID;
292 /* get sense data */
293 if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
294 mpi_reply->Function ==
295 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
296 scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply;
297 if (scsiio_reply->SCSIState &
298 MPI2_SCSI_STATE_AUTOSENSE_VALID) {
299 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
300 le32_to_cpu(scsiio_reply->SenseCount));
301 sense_data = mpt2sas_base_get_sense_buffer(ioc,
302 smid);
303 memcpy(ioc->ctl_cmds.sense, sense_data, sz);
304 }
305 }
306 }
307#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
308 _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply);
309#endif
310 ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING;
311 complete(&ioc->ctl_cmds.done);
312 return 1;
313}
314
315/**
316 * _ctl_check_event_type - determines when an event needs logging
317 * @ioc: per adapter object
318 * @event: firmware event
319 *
320 * The bitmask in ioc->event_type[] indicates which events should be
321 * be saved in the driver event_log. This bitmask is set by application.
322 *
323 * Returns 1 when event should be captured, or zero means no match.
324 */
325static int
326_ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event)
327{
328 u16 i;
329 u32 desired_event;
330
331 if (event >= 128 || !event || !ioc->event_log)
332 return 0;
333
334 desired_event = (1 << (event % 32));
335 if (!desired_event)
336 desired_event = 1;
337 i = event / 32;
338 return desired_event & ioc->event_type[i];
339}
340
341/**
342 * mpt2sas_ctl_add_to_event_log - add event
343 * @ioc: per adapter object
344 * @mpi_reply: reply message frame
345 *
346 * Return nothing.
347 */
348void
349mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
350 Mpi2EventNotificationReply_t *mpi_reply)
351{
352 struct MPT2_IOCTL_EVENTS *event_log;
353 u16 event;
354 int i;
355 u32 sz, event_data_sz;
356 u8 send_aen = 0;
357
358 if (!ioc->event_log)
359 return;
360
361 event = le16_to_cpu(mpi_reply->Event);
362
363 if (_ctl_check_event_type(ioc, event)) {
364
365 /* insert entry into circular event_log */
366 i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE;
367 event_log = ioc->event_log;
368 event_log[i].event = event;
369 event_log[i].context = ioc->event_context++;
370
371 event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4;
372 sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE);
373 memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE);
374 memcpy(event_log[i].data, mpi_reply->EventData, sz);
375 send_aen = 1;
376 }
377
378 /* This aen_event_read_flag flag is set until the
379 * application has read the event log.
380 * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
381 */
382 if (event == MPI2_EVENT_LOG_ENTRY_ADDED ||
383 (send_aen && !ioc->aen_event_read_flag)) {
384 ioc->aen_event_read_flag = 1;
385 wake_up_interruptible(&ctl_poll_wait);
386 if (async_queue)
387 kill_fasync(&async_queue, SIGIO, POLL_IN);
388 }
389}
390
391/**
392 * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time)
393 * @ioc: per adapter object
394 * @msix_index: MSIX table index supplied by the OS
395 * @reply: reply message frame(lower 32bit addr)
396 * Context: interrupt.
397 *
398 * This function merely adds a new work task into ioc->firmware_event_thread.
399 * The tasks are worked from _firmware_event_work in user context.
400 *
401 * Returns void.
402 */
403void
404mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
405 u32 reply)
406{
407 Mpi2EventNotificationReply_t *mpi_reply;
408
409 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
410 if (unlikely(!mpi_reply)) {
411 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
412 ioc->name, __FILE__, __LINE__, __func__);
413 return;
414 }
415 mpt2sas_ctl_add_to_event_log(ioc, mpi_reply);
416 return;
417}
418
419/**
420 * _ctl_verify_adapter - validates ioc_number passed from application
421 * @ioc: per adapter object
422 * @iocpp: The ioc pointer is returned in this.
423 *
424 * Return (-1) means error, else ioc_number.
425 */
426static int
427_ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp)
428{
429 struct MPT2SAS_ADAPTER *ioc;
430 /* global ioc lock to protect controller on list operations */
431 spin_lock(&gioc_lock);
432 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
433 if (ioc->id != ioc_number)
434 continue;
435 spin_unlock(&gioc_lock);
436 *iocpp = ioc;
437 return ioc_number;
438 }
439 spin_unlock(&gioc_lock);
440 *iocpp = NULL;
441 return -1;
442}
443
444/**
445 * mpt2sas_ctl_reset_handler - reset callback handler (for ctl)
446 * @ioc: per adapter object
447 * @reset_phase: phase
448 *
449 * The handler for doing any required cleanup or initialization.
450 *
451 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
452 * MPT2_IOC_DONE_RESET
453 */
454void
455mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
456{
457 int i;
458 u8 issue_reset;
459
460 switch (reset_phase) {
461 case MPT2_IOC_PRE_RESET:
462 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
463 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
464 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
465 if (!(ioc->diag_buffer_status[i] &
466 MPT2_DIAG_BUFFER_IS_REGISTERED))
467 continue;
468 if ((ioc->diag_buffer_status[i] &
469 MPT2_DIAG_BUFFER_IS_RELEASED))
470 continue;
471 _ctl_send_release(ioc, i, &issue_reset);
472 }
473 break;
474 case MPT2_IOC_AFTER_RESET:
475 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
476 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
477 if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) {
478 ioc->ctl_cmds.status |= MPT2_CMD_RESET;
479 mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid);
480 complete(&ioc->ctl_cmds.done);
481 }
482 break;
483 case MPT2_IOC_DONE_RESET:
484 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
485 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
486
487 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
488 if (!(ioc->diag_buffer_status[i] &
489 MPT2_DIAG_BUFFER_IS_REGISTERED))
490 continue;
491 if ((ioc->diag_buffer_status[i] &
492 MPT2_DIAG_BUFFER_IS_RELEASED))
493 continue;
494 ioc->diag_buffer_status[i] |=
495 MPT2_DIAG_BUFFER_IS_DIAG_RESET;
496 }
497 break;
498 }
499}
500
501/**
502 * _ctl_fasync -
503 * @fd -
504 * @filep -
505 * @mode -
506 *
507 * Called when application request fasyn callback handler.
508 */
509static int
510_ctl_fasync(int fd, struct file *filep, int mode)
511{
512 return fasync_helper(fd, filep, mode, &async_queue);
513}
514
515/**
516 * _ctl_poll -
517 * @file -
518 * @wait -
519 *
520 */
521static unsigned int
522_ctl_poll(struct file *filep, poll_table *wait)
523{
524 struct MPT2SAS_ADAPTER *ioc;
525
526 poll_wait(filep, &ctl_poll_wait, wait);
527
528 /* global ioc lock to protect controller on list operations */
529 spin_lock(&gioc_lock);
530 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
531 if (ioc->aen_event_read_flag) {
532 spin_unlock(&gioc_lock);
533 return POLLIN | POLLRDNORM;
534 }
535 }
536 spin_unlock(&gioc_lock);
537 return 0;
538}
539
540/**
541 * _ctl_set_task_mid - assign an active smid to tm request
542 * @ioc: per adapter object
543 * @karg - (struct mpt2_ioctl_command)
544 * @tm_request - pointer to mf from user space
545 *
546 * Returns 0 when an smid if found, else fail.
547 * during failure, the reply frame is filled.
548 */
549static int
550_ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
551 Mpi2SCSITaskManagementRequest_t *tm_request)
552{
553 u8 found = 0;
554 u16 i;
555 u16 handle;
556 struct scsi_cmnd *scmd;
557 struct MPT2SAS_DEVICE *priv_data;
558 unsigned long flags;
559 Mpi2SCSITaskManagementReply_t *tm_reply;
560 u32 sz;
561 u32 lun;
562 char *desc = NULL;
563
564 if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
565 desc = "abort_task";
566 else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
567 desc = "query_task";
568 else
569 return 0;
570
571 lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
572
573 handle = le16_to_cpu(tm_request->DevHandle);
574 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
575 for (i = ioc->scsiio_depth; i && !found; i--) {
576 scmd = ioc->scsi_lookup[i - 1].scmd;
577 if (scmd == NULL || scmd->device == NULL ||
578 scmd->device->hostdata == NULL)
579 continue;
580 if (lun != scmd->device->lun)
581 continue;
582 priv_data = scmd->device->hostdata;
583 if (priv_data->sas_target == NULL)
584 continue;
585 if (priv_data->sas_target->handle != handle)
586 continue;
587 tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid);
588 found = 1;
589 }
590 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
591
592 if (!found) {
593 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
594 "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name,
595 desc, le16_to_cpu(tm_request->DevHandle), lun));
596 tm_reply = ioc->ctl_cmds.reply;
597 tm_reply->DevHandle = tm_request->DevHandle;
598 tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
599 tm_reply->TaskType = tm_request->TaskType;
600 tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4;
601 tm_reply->VP_ID = tm_request->VP_ID;
602 tm_reply->VF_ID = tm_request->VF_ID;
603 sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz);
604 if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply,
605 sz))
606 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
607 __LINE__, __func__);
608 return 1;
609 }
610
611 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
612 "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name,
613 desc, le16_to_cpu(tm_request->DevHandle), lun,
614 le16_to_cpu(tm_request->TaskMID)));
615 return 0;
616}
617
618/**
619 * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode
620 * @ioc: per adapter object
621 * @karg - (struct mpt2_ioctl_command)
622 * @mf - pointer to mf in user space
623 */
624static long
625_ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg,
626 void __user *mf)
627{
628 MPI2RequestHeader_t *mpi_request = NULL, *request;
629 MPI2DefaultReply_t *mpi_reply;
630 u32 ioc_state;
631 u16 ioc_status;
632 u16 smid;
633 unsigned long timeout, timeleft;
634 u8 issue_reset;
635 u32 sz;
636 void *psge;
637 void *data_out = NULL;
638 dma_addr_t data_out_dma;
639 size_t data_out_sz = 0;
640 void *data_in = NULL;
641 dma_addr_t data_in_dma;
642 size_t data_in_sz = 0;
643 u32 sgl_flags;
644 long ret;
645 u16 wait_state_count;
646
647 issue_reset = 0;
648
649 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
650 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
651 ioc->name, __func__);
652 ret = -EAGAIN;
653 goto out;
654 }
655
656 wait_state_count = 0;
657 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
658 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
659 if (wait_state_count++ == 10) {
660 printk(MPT2SAS_ERR_FMT
661 "%s: failed due to ioc not operational\n",
662 ioc->name, __func__);
663 ret = -EFAULT;
664 goto out;
665 }
666 ssleep(1);
667 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
668 printk(MPT2SAS_INFO_FMT "%s: waiting for "
669 "operational state(count=%d)\n", ioc->name,
670 __func__, wait_state_count);
671 }
672 if (wait_state_count)
673 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
674 ioc->name, __func__);
675
676 mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL);
677 if (!mpi_request) {
678 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for "
679 "mpi_request\n", ioc->name, __func__);
680 ret = -ENOMEM;
681 goto out;
682 }
683
684 /* Check for overflow and wraparound */
685 if (karg.data_sge_offset * 4 > ioc->request_sz ||
686 karg.data_sge_offset > (UINT_MAX / 4)) {
687 ret = -EINVAL;
688 goto out;
689 }
690
691 /* copy in request message frame from user */
692 if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) {
693 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__,
694 __func__);
695 ret = -EFAULT;
696 goto out;
697 }
698
699 if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
700 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx);
701 if (!smid) {
702 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
703 ioc->name, __func__);
704 ret = -EAGAIN;
705 goto out;
706 }
707 } else {
708
709 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL);
710 if (!smid) {
711 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
712 ioc->name, __func__);
713 ret = -EAGAIN;
714 goto out;
715 }
716 }
717
718 ret = 0;
719 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
720 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
721 request = mpt2sas_base_get_msg_frame(ioc, smid);
722 memcpy(request, mpi_request, karg.data_sge_offset*4);
723 ioc->ctl_cmds.smid = smid;
724 data_out_sz = karg.data_out_size;
725 data_in_sz = karg.data_in_size;
726
727 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
728 mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
729 if (!le16_to_cpu(mpi_request->FunctionDependent1) ||
730 le16_to_cpu(mpi_request->FunctionDependent1) >
731 ioc->facts.MaxDevHandle) {
732 ret = -EINVAL;
733 mpt2sas_base_free_smid(ioc, smid);
734 goto out;
735 }
736 }
737
738 /* obtain dma-able memory for data transfer */
739 if (data_out_sz) /* WRITE */ {
740 data_out = pci_alloc_consistent(ioc->pdev, data_out_sz,
741 &data_out_dma);
742 if (!data_out) {
743 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
744 __LINE__, __func__);
745 ret = -ENOMEM;
746 mpt2sas_base_free_smid(ioc, smid);
747 goto out;
748 }
749 if (copy_from_user(data_out, karg.data_out_buf_ptr,
750 data_out_sz)) {
751 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
752 __LINE__, __func__);
753 ret = -EFAULT;
754 mpt2sas_base_free_smid(ioc, smid);
755 goto out;
756 }
757 }
758
759 if (data_in_sz) /* READ */ {
760 data_in = pci_alloc_consistent(ioc->pdev, data_in_sz,
761 &data_in_dma);
762 if (!data_in) {
763 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
764 __LINE__, __func__);
765 ret = -ENOMEM;
766 mpt2sas_base_free_smid(ioc, smid);
767 goto out;
768 }
769 }
770
771 /* add scatter gather elements */
772 psge = (void *)request + (karg.data_sge_offset*4);
773
774 if (!data_out_sz && !data_in_sz) {
775 mpt2sas_base_build_zero_len_sge(ioc, psge);
776 } else if (data_out_sz && data_in_sz) {
777 /* WRITE sgel first */
778 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
779 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
780 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
781 ioc->base_add_sg_single(psge, sgl_flags |
782 data_out_sz, data_out_dma);
783
784 /* incr sgel */
785 psge += ioc->sge_size;
786
787 /* READ sgel last */
788 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
789 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
790 MPI2_SGE_FLAGS_END_OF_LIST);
791 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
792 ioc->base_add_sg_single(psge, sgl_flags |
793 data_in_sz, data_in_dma);
794 } else if (data_out_sz) /* WRITE */ {
795 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
796 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
797 MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
798 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
799 ioc->base_add_sg_single(psge, sgl_flags |
800 data_out_sz, data_out_dma);
801 } else if (data_in_sz) /* READ */ {
802 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
803 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
804 MPI2_SGE_FLAGS_END_OF_LIST);
805 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
806 ioc->base_add_sg_single(psge, sgl_flags |
807 data_in_sz, data_in_dma);
808 }
809
810 /* send command to firmware */
811#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
812 _ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
813#endif
814
815 init_completion(&ioc->ctl_cmds.done);
816 switch (mpi_request->Function) {
817 case MPI2_FUNCTION_SCSI_IO_REQUEST:
818 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
819 {
820 Mpi2SCSIIORequest_t *scsiio_request =
821 (Mpi2SCSIIORequest_t *)request;
822 scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
823 scsiio_request->SenseBufferLowAddress =
824 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
825 memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE);
826 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
827 mpt2sas_base_put_smid_scsi_io(ioc, smid,
828 le16_to_cpu(mpi_request->FunctionDependent1));
829 else
830 mpt2sas_base_put_smid_default(ioc, smid);
831 break;
832 }
833 case MPI2_FUNCTION_SCSI_TASK_MGMT:
834 {
835 Mpi2SCSITaskManagementRequest_t *tm_request =
836 (Mpi2SCSITaskManagementRequest_t *)request;
837
838 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
839 "handle(0x%04x), task_type(0x%02x)\n", ioc->name,
840 le16_to_cpu(tm_request->DevHandle), tm_request->TaskType));
841
842 if (tm_request->TaskType ==
843 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
844 tm_request->TaskType ==
845 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) {
846 if (_ctl_set_task_mid(ioc, &karg, tm_request)) {
847 mpt2sas_base_free_smid(ioc, smid);
848 goto out;
849 }
850 }
851
852 mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
853 tm_request->DevHandle));
854 mpt2sas_base_put_smid_hi_priority(ioc, smid);
855 break;
856 }
857 case MPI2_FUNCTION_SMP_PASSTHROUGH:
858 {
859 Mpi2SmpPassthroughRequest_t *smp_request =
860 (Mpi2SmpPassthroughRequest_t *)mpi_request;
861 u8 *data;
862
863 /* ioc determines which port to use */
864 smp_request->PhysicalPort = 0xFF;
865 if (smp_request->PassthroughFlags &
866 MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE)
867 data = (u8 *)&smp_request->SGL;
868 else {
869 if (unlikely(data_out == NULL)) {
870 printk(KERN_ERR "failure at %s:%d/%s()!\n",
871 __FILE__, __LINE__, __func__);
872 mpt2sas_base_free_smid(ioc, smid);
873 ret = -EINVAL;
874 goto out;
875 }
876 data = data_out;
877 }
878
879 if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) {
880 ioc->ioc_link_reset_in_progress = 1;
881 ioc->ignore_loginfos = 1;
882 }
883 mpt2sas_base_put_smid_default(ioc, smid);
884 break;
885 }
886 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
887 {
888 Mpi2SasIoUnitControlRequest_t *sasiounit_request =
889 (Mpi2SasIoUnitControlRequest_t *)mpi_request;
890
891 if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET
892 || sasiounit_request->Operation ==
893 MPI2_SAS_OP_PHY_LINK_RESET) {
894 ioc->ioc_link_reset_in_progress = 1;
895 ioc->ignore_loginfos = 1;
896 }
897 mpt2sas_base_put_smid_default(ioc, smid);
898 break;
899 }
900 default:
901 mpt2sas_base_put_smid_default(ioc, smid);
902 break;
903 }
904
905 if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT)
906 timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
907 else
908 timeout = karg.timeout;
909 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
910 timeout*HZ);
911 if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
912 Mpi2SCSITaskManagementRequest_t *tm_request =
913 (Mpi2SCSITaskManagementRequest_t *)mpi_request;
914 mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
915 tm_request->DevHandle));
916 } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
917 mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) &&
918 ioc->ioc_link_reset_in_progress) {
919 ioc->ioc_link_reset_in_progress = 0;
920 ioc->ignore_loginfos = 0;
921 }
922 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
923 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
924 __func__);
925 _debug_dump_mf(mpi_request, karg.data_sge_offset);
926 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
927 issue_reset = 1;
928 goto issue_host_reset;
929 }
930
931 mpi_reply = ioc->ctl_cmds.reply;
932 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
933
934#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
935 if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT &&
936 (ioc->logging_level & MPT_DEBUG_TM)) {
937 Mpi2SCSITaskManagementReply_t *tm_reply =
938 (Mpi2SCSITaskManagementReply_t *)mpi_reply;
939
940 printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
941 "IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
942 "TerminationCount(0x%08x)\n", ioc->name,
943 le16_to_cpu(tm_reply->IOCStatus),
944 le32_to_cpu(tm_reply->IOCLogInfo),
945 le32_to_cpu(tm_reply->TerminationCount));
946 }
947#endif
948 /* copy out xdata to user */
949 if (data_in_sz) {
950 if (copy_to_user(karg.data_in_buf_ptr, data_in,
951 data_in_sz)) {
952 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
953 __LINE__, __func__);
954 ret = -ENODATA;
955 goto out;
956 }
957 }
958
959 /* copy out reply message frame to user */
960 if (karg.max_reply_bytes) {
961 sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz);
962 if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply,
963 sz)) {
964 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
965 __LINE__, __func__);
966 ret = -ENODATA;
967 goto out;
968 }
969 }
970
971 /* copy out sense to user */
972 if (karg.max_sense_bytes && (mpi_request->Function ==
973 MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function ==
974 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
975 sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE);
976 if (copy_to_user(karg.sense_data_ptr,
977 ioc->ctl_cmds.sense, sz)) {
978 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
979 __LINE__, __func__);
980 ret = -ENODATA;
981 goto out;
982 }
983 }
984
985 issue_host_reset:
986 if (issue_reset) {
987 ret = -ENODATA;
988 if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
989 mpi_request->Function ==
990 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
991 mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) {
992 printk(MPT2SAS_INFO_FMT "issue target reset: handle "
993 "= (0x%04x)\n", ioc->name,
994 le16_to_cpu(mpi_request->FunctionDependent1));
995 mpt2sas_halt_firmware(ioc);
996 mpt2sas_scsih_issue_tm(ioc,
997 le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
998 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10,
999 TM_MUTEX_ON);
1000 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
1001 } else
1002 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1003 FORCE_BIG_HAMMER);
1004 }
1005
1006 out:
1007
1008 /* free memory associated with sg buffers */
1009 if (data_in)
1010 pci_free_consistent(ioc->pdev, data_in_sz, data_in,
1011 data_in_dma);
1012
1013 if (data_out)
1014 pci_free_consistent(ioc->pdev, data_out_sz, data_out,
1015 data_out_dma);
1016
1017 kfree(mpi_request);
1018 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1019 return ret;
1020}
1021
1022/**
1023 * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode
1024 * @ioc: per adapter object
1025 * @arg - user space buffer containing ioctl content
1026 */
1027static long
1028_ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1029{
1030 struct mpt2_ioctl_iocinfo karg;
1031
1032 if (copy_from_user(&karg, arg, sizeof(karg))) {
1033 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1034 __FILE__, __LINE__, __func__);
1035 return -EFAULT;
1036 }
1037
1038 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1039 __func__));
1040
1041 memset(&karg, 0 , sizeof(karg));
1042 if (ioc->is_warpdrive)
1043 karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200;
1044 else
1045 karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
1046 if (ioc->pfacts)
1047 karg.port_number = ioc->pfacts[0].PortNumber;
1048 karg.hw_rev = ioc->pdev->revision;
1049 karg.pci_id = ioc->pdev->device;
1050 karg.subsystem_device = ioc->pdev->subsystem_device;
1051 karg.subsystem_vendor = ioc->pdev->subsystem_vendor;
1052 karg.pci_information.u.bits.bus = ioc->pdev->bus->number;
1053 karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn);
1054 karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
1055 karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
1056 karg.firmware_version = ioc->facts.FWVersion.Word;
1057 strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME);
1058 strcat(karg.driver_version, "-");
1059 strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
1060 karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
1061
1062 if (copy_to_user(arg, &karg, sizeof(karg))) {
1063 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1064 __FILE__, __LINE__, __func__);
1065 return -EFAULT;
1066 }
1067 return 0;
1068}
1069
1070/**
1071 * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode
1072 * @ioc: per adapter object
1073 * @arg - user space buffer containing ioctl content
1074 */
1075static long
1076_ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1077{
1078 struct mpt2_ioctl_eventquery karg;
1079
1080 if (copy_from_user(&karg, arg, sizeof(karg))) {
1081 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1082 __FILE__, __LINE__, __func__);
1083 return -EFAULT;
1084 }
1085
1086 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1087 __func__));
1088
1089 karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE;
1090 memcpy(karg.event_types, ioc->event_type,
1091 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
1092
1093 if (copy_to_user(arg, &karg, sizeof(karg))) {
1094 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1095 __FILE__, __LINE__, __func__);
1096 return -EFAULT;
1097 }
1098 return 0;
1099}
1100
1101/**
1102 * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode
1103 * @ioc: per adapter object
1104 * @arg - user space buffer containing ioctl content
1105 */
1106static long
1107_ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1108{
1109 struct mpt2_ioctl_eventenable karg;
1110
1111 if (copy_from_user(&karg, arg, sizeof(karg))) {
1112 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1113 __FILE__, __LINE__, __func__);
1114 return -EFAULT;
1115 }
1116
1117 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1118 __func__));
1119
1120 if (ioc->event_log)
1121 return 0;
1122 memcpy(ioc->event_type, karg.event_types,
1123 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
1124 mpt2sas_base_validate_event_type(ioc, ioc->event_type);
1125
1126 /* initialize event_log */
1127 ioc->event_context = 0;
1128 ioc->aen_event_read_flag = 0;
1129 ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE,
1130 sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL);
1131 if (!ioc->event_log) {
1132 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1133 __FILE__, __LINE__, __func__);
1134 return -ENOMEM;
1135 }
1136 return 0;
1137}
1138
1139/**
1140 * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode
1141 * @ioc: per adapter object
1142 * @arg - user space buffer containing ioctl content
1143 */
1144static long
1145_ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1146{
1147 struct mpt2_ioctl_eventreport karg;
1148 u32 number_bytes, max_events, max;
1149 struct mpt2_ioctl_eventreport __user *uarg = arg;
1150
1151 if (copy_from_user(&karg, arg, sizeof(karg))) {
1152 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1153 __FILE__, __LINE__, __func__);
1154 return -EFAULT;
1155 }
1156
1157 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1158 __func__));
1159
1160 number_bytes = karg.hdr.max_data_size -
1161 sizeof(struct mpt2_ioctl_header);
1162 max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS);
1163 max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events);
1164
1165 /* If fewer than 1 event is requested, there must have
1166 * been some type of error.
1167 */
1168 if (!max || !ioc->event_log)
1169 return -ENODATA;
1170
1171 number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS);
1172 if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) {
1173 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1174 __FILE__, __LINE__, __func__);
1175 return -EFAULT;
1176 }
1177
1178 /* reset flag so SIGIO can restart */
1179 ioc->aen_event_read_flag = 0;
1180 return 0;
1181}
1182
1183/**
1184 * _ctl_do_reset - main handler for MPT2HARDRESET opcode
1185 * @ioc: per adapter object
1186 * @arg - user space buffer containing ioctl content
1187 */
1188static long
1189_ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1190{
1191 struct mpt2_ioctl_diag_reset karg;
1192 int retval;
1193
1194 if (copy_from_user(&karg, arg, sizeof(karg))) {
1195 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1196 __FILE__, __LINE__, __func__);
1197 return -EFAULT;
1198 }
1199
1200 if (ioc->shost_recovery || ioc->pci_error_recovery ||
1201 ioc->is_driver_loading)
1202 return -EAGAIN;
1203 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1204 __func__));
1205
1206 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1207 FORCE_BIG_HAMMER);
1208 printk(MPT2SAS_INFO_FMT "host reset: %s\n",
1209 ioc->name, ((!retval) ? "SUCCESS" : "FAILED"));
1210 return 0;
1211}
1212
1213/**
1214 * _ctl_btdh_search_sas_device - searching for sas device
1215 * @ioc: per adapter object
1216 * @btdh: btdh ioctl payload
1217 */
1218static int
1219_ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc,
1220 struct mpt2_ioctl_btdh_mapping *btdh)
1221{
1222 struct _sas_device *sas_device;
1223 unsigned long flags;
1224 int rc = 0;
1225
1226 if (list_empty(&ioc->sas_device_list))
1227 return rc;
1228
1229 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1230 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
1231 if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
1232 btdh->handle == sas_device->handle) {
1233 btdh->bus = sas_device->channel;
1234 btdh->id = sas_device->id;
1235 rc = 1;
1236 goto out;
1237 } else if (btdh->bus == sas_device->channel && btdh->id ==
1238 sas_device->id && btdh->handle == 0xFFFF) {
1239 btdh->handle = sas_device->handle;
1240 rc = 1;
1241 goto out;
1242 }
1243 }
1244 out:
1245 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1246 return rc;
1247}
1248
1249/**
1250 * _ctl_btdh_search_raid_device - searching for raid device
1251 * @ioc: per adapter object
1252 * @btdh: btdh ioctl payload
1253 */
1254static int
1255_ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc,
1256 struct mpt2_ioctl_btdh_mapping *btdh)
1257{
1258 struct _raid_device *raid_device;
1259 unsigned long flags;
1260 int rc = 0;
1261
1262 if (list_empty(&ioc->raid_device_list))
1263 return rc;
1264
1265 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1266 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
1267 if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
1268 btdh->handle == raid_device->handle) {
1269 btdh->bus = raid_device->channel;
1270 btdh->id = raid_device->id;
1271 rc = 1;
1272 goto out;
1273 } else if (btdh->bus == raid_device->channel && btdh->id ==
1274 raid_device->id && btdh->handle == 0xFFFF) {
1275 btdh->handle = raid_device->handle;
1276 rc = 1;
1277 goto out;
1278 }
1279 }
1280 out:
1281 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1282 return rc;
1283}
1284
1285/**
1286 * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode
1287 * @ioc: per adapter object
1288 * @arg - user space buffer containing ioctl content
1289 */
1290static long
1291_ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1292{
1293 struct mpt2_ioctl_btdh_mapping karg;
1294 int rc;
1295
1296 if (copy_from_user(&karg, arg, sizeof(karg))) {
1297 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1298 __FILE__, __LINE__, __func__);
1299 return -EFAULT;
1300 }
1301
1302 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1303 __func__));
1304
1305 rc = _ctl_btdh_search_sas_device(ioc, &karg);
1306 if (!rc)
1307 _ctl_btdh_search_raid_device(ioc, &karg);
1308
1309 if (copy_to_user(arg, &karg, sizeof(karg))) {
1310 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1311 __FILE__, __LINE__, __func__);
1312 return -EFAULT;
1313 }
1314 return 0;
1315}
1316
1317/**
1318 * _ctl_diag_capability - return diag buffer capability
1319 * @ioc: per adapter object
1320 * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
1321 *
1322 * returns 1 when diag buffer support is enabled in firmware
1323 */
1324static u8
1325_ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type)
1326{
1327 u8 rc = 0;
1328
1329 switch (buffer_type) {
1330 case MPI2_DIAG_BUF_TYPE_TRACE:
1331 if (ioc->facts.IOCCapabilities &
1332 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER)
1333 rc = 1;
1334 break;
1335 case MPI2_DIAG_BUF_TYPE_SNAPSHOT:
1336 if (ioc->facts.IOCCapabilities &
1337 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER)
1338 rc = 1;
1339 break;
1340 case MPI2_DIAG_BUF_TYPE_EXTENDED:
1341 if (ioc->facts.IOCCapabilities &
1342 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER)
1343 rc = 1;
1344 }
1345
1346 return rc;
1347}
1348
1349/**
1350 * _ctl_diag_register_2 - wrapper for registering diag buffer support
1351 * @ioc: per adapter object
1352 * @diag_register: the diag_register struct passed in from user space
1353 *
1354 */
1355static long
1356_ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
1357 struct mpt2_diag_register *diag_register)
1358{
1359 int rc, i;
1360 void *request_data = NULL;
1361 dma_addr_t request_data_dma;
1362 u32 request_data_sz = 0;
1363 Mpi2DiagBufferPostRequest_t *mpi_request;
1364 Mpi2DiagBufferPostReply_t *mpi_reply;
1365 u8 buffer_type;
1366 unsigned long timeleft;
1367 u16 smid;
1368 u16 ioc_status;
1369 u8 issue_reset = 0;
1370
1371 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1372 __func__));
1373
1374 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1375 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1376 ioc->name, __func__);
1377 rc = -EAGAIN;
1378 goto out;
1379 }
1380
1381 buffer_type = diag_register->buffer_type;
1382 if (!_ctl_diag_capability(ioc, buffer_type)) {
1383 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1384 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1385 return -EPERM;
1386 }
1387
1388 if (ioc->diag_buffer_status[buffer_type] &
1389 MPT2_DIAG_BUFFER_IS_REGISTERED) {
1390 printk(MPT2SAS_ERR_FMT "%s: already has a registered "
1391 "buffer for buffer_type(0x%02x)\n", ioc->name, __func__,
1392 buffer_type);
1393 return -EINVAL;
1394 }
1395
1396 if (diag_register->requested_buffer_size % 4) {
1397 printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size "
1398 "is not 4 byte aligned\n", ioc->name, __func__);
1399 return -EINVAL;
1400 }
1401
1402 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1403 if (!smid) {
1404 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1405 ioc->name, __func__);
1406 rc = -EAGAIN;
1407 goto out;
1408 }
1409
1410 rc = 0;
1411 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1412 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1413 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1414 ioc->ctl_cmds.smid = smid;
1415
1416 request_data = ioc->diag_buffer[buffer_type];
1417 request_data_sz = diag_register->requested_buffer_size;
1418 ioc->unique_id[buffer_type] = diag_register->unique_id;
1419 ioc->diag_buffer_status[buffer_type] = 0;
1420 memcpy(ioc->product_specific[buffer_type],
1421 diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS);
1422 ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags;
1423
1424 if (request_data) {
1425 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1426 if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) {
1427 pci_free_consistent(ioc->pdev,
1428 ioc->diag_buffer_sz[buffer_type],
1429 request_data, request_data_dma);
1430 request_data = NULL;
1431 }
1432 }
1433
1434 if (request_data == NULL) {
1435 ioc->diag_buffer_sz[buffer_type] = 0;
1436 ioc->diag_buffer_dma[buffer_type] = 0;
1437 request_data = pci_alloc_consistent(
1438 ioc->pdev, request_data_sz, &request_data_dma);
1439 if (request_data == NULL) {
1440 printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"
1441 " for diag buffers, requested size(%d)\n",
1442 ioc->name, __func__, request_data_sz);
1443 mpt2sas_base_free_smid(ioc, smid);
1444 return -ENOMEM;
1445 }
1446 ioc->diag_buffer[buffer_type] = request_data;
1447 ioc->diag_buffer_sz[buffer_type] = request_data_sz;
1448 ioc->diag_buffer_dma[buffer_type] = request_data_dma;
1449 }
1450
1451 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
1452 mpi_request->BufferType = diag_register->buffer_type;
1453 mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
1454 mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
1455 mpi_request->BufferLength = cpu_to_le32(request_data_sz);
1456 mpi_request->VF_ID = 0; /* TODO */
1457 mpi_request->VP_ID = 0;
1458
1459 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), "
1460 "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data,
1461 (unsigned long long)request_data_dma,
1462 le32_to_cpu(mpi_request->BufferLength)));
1463
1464 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1465 mpi_request->ProductSpecific[i] =
1466 cpu_to_le32(ioc->product_specific[buffer_type][i]);
1467
1468 init_completion(&ioc->ctl_cmds.done);
1469 mpt2sas_base_put_smid_default(ioc, smid);
1470 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1471 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1472
1473 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1474 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1475 __func__);
1476 _debug_dump_mf(mpi_request,
1477 sizeof(Mpi2DiagBufferPostRequest_t)/4);
1478 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1479 issue_reset = 1;
1480 goto issue_host_reset;
1481 }
1482
1483 /* process the completed Reply Message Frame */
1484 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
1485 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
1486 ioc->name, __func__);
1487 rc = -EFAULT;
1488 goto out;
1489 }
1490
1491 mpi_reply = ioc->ctl_cmds.reply;
1492 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1493
1494 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1495 ioc->diag_buffer_status[buffer_type] |=
1496 MPT2_DIAG_BUFFER_IS_REGISTERED;
1497 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
1498 ioc->name, __func__));
1499 } else {
1500 printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
1501 "log_info(0x%08x)\n", ioc->name, __func__,
1502 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1503 rc = -EFAULT;
1504 }
1505
1506 issue_host_reset:
1507 if (issue_reset)
1508 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1509 FORCE_BIG_HAMMER);
1510
1511 out:
1512
1513 if (rc && request_data)
1514 pci_free_consistent(ioc->pdev, request_data_sz,
1515 request_data, request_data_dma);
1516
1517 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1518 return rc;
1519}
1520
1521/**
1522 * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time
1523 * @ioc: per adapter object
1524 * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
1525 *
1526 * This is called when command line option diag_buffer_enable is enabled
1527 * at driver load time.
1528 */
1529void
1530mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register)
1531{
1532 struct mpt2_diag_register diag_register;
1533
1534 memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
1535
1536 if (bits_to_register & 1) {
1537 printk(MPT2SAS_INFO_FMT "registering trace buffer support\n",
1538 ioc->name);
1539 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
1540 /* register for 1MB buffers */
1541 diag_register.requested_buffer_size = (1024 * 1024);
1542 diag_register.unique_id = 0x7075900;
1543 _ctl_diag_register_2(ioc, &diag_register);
1544 }
1545
1546 if (bits_to_register & 2) {
1547 printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n",
1548 ioc->name);
1549 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
1550 /* register for 2MB buffers */
1551 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1552 diag_register.unique_id = 0x7075901;
1553 _ctl_diag_register_2(ioc, &diag_register);
1554 }
1555
1556 if (bits_to_register & 4) {
1557 printk(MPT2SAS_INFO_FMT "registering extended buffer support\n",
1558 ioc->name);
1559 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
1560 /* register for 2MB buffers */
1561 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1562 diag_register.unique_id = 0x7075901;
1563 _ctl_diag_register_2(ioc, &diag_register);
1564 }
1565}
1566
1567/**
1568 * _ctl_diag_register - application register with driver
1569 * @ioc: per adapter object
1570 * @arg - user space buffer containing ioctl content
1571 *
1572 * This will allow the driver to setup any required buffers that will be
1573 * needed by firmware to communicate with the driver.
1574 */
1575static long
1576_ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1577{
1578 struct mpt2_diag_register karg;
1579 long rc;
1580
1581 if (copy_from_user(&karg, arg, sizeof(karg))) {
1582 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1583 __FILE__, __LINE__, __func__);
1584 return -EFAULT;
1585 }
1586
1587 rc = _ctl_diag_register_2(ioc, &karg);
1588 return rc;
1589}
1590
1591/**
1592 * _ctl_diag_unregister - application unregister with driver
1593 * @ioc: per adapter object
1594 * @arg - user space buffer containing ioctl content
1595 *
1596 * This will allow the driver to cleanup any memory allocated for diag
1597 * messages and to free up any resources.
1598 */
1599static long
1600_ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1601{
1602 struct mpt2_diag_unregister karg;
1603 void *request_data;
1604 dma_addr_t request_data_dma;
1605 u32 request_data_sz;
1606 u8 buffer_type;
1607
1608 if (copy_from_user(&karg, arg, sizeof(karg))) {
1609 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1610 __FILE__, __LINE__, __func__);
1611 return -EFAULT;
1612 }
1613
1614 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1615 __func__));
1616
1617 buffer_type = karg.unique_id & 0x000000ff;
1618 if (!_ctl_diag_capability(ioc, buffer_type)) {
1619 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1620 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1621 return -EPERM;
1622 }
1623
1624 if ((ioc->diag_buffer_status[buffer_type] &
1625 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1626 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1627 "registered\n", ioc->name, __func__, buffer_type);
1628 return -EINVAL;
1629 }
1630 if ((ioc->diag_buffer_status[buffer_type] &
1631 MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
1632 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been "
1633 "released\n", ioc->name, __func__, buffer_type);
1634 return -EINVAL;
1635 }
1636
1637 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1638 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1639 "registered\n", ioc->name, __func__, karg.unique_id);
1640 return -EINVAL;
1641 }
1642
1643 request_data = ioc->diag_buffer[buffer_type];
1644 if (!request_data) {
1645 printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
1646 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1647 return -ENOMEM;
1648 }
1649
1650 request_data_sz = ioc->diag_buffer_sz[buffer_type];
1651 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1652 pci_free_consistent(ioc->pdev, request_data_sz,
1653 request_data, request_data_dma);
1654 ioc->diag_buffer[buffer_type] = NULL;
1655 ioc->diag_buffer_status[buffer_type] = 0;
1656 return 0;
1657}
1658
1659/**
1660 * _ctl_diag_query - query relevant info associated with diag buffers
1661 * @ioc: per adapter object
1662 * @arg - user space buffer containing ioctl content
1663 *
1664 * The application will send only buffer_type and unique_id. Driver will
1665 * inspect unique_id first, if valid, fill in all the info. If unique_id is
1666 * 0x00, the driver will return info specified by Buffer Type.
1667 */
1668static long
1669_ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1670{
1671 struct mpt2_diag_query karg;
1672 void *request_data;
1673 int i;
1674 u8 buffer_type;
1675
1676 if (copy_from_user(&karg, arg, sizeof(karg))) {
1677 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1678 __FILE__, __LINE__, __func__);
1679 return -EFAULT;
1680 }
1681
1682 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1683 __func__));
1684
1685 karg.application_flags = 0;
1686 buffer_type = karg.buffer_type;
1687
1688 if (!_ctl_diag_capability(ioc, buffer_type)) {
1689 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1690 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1691 return -EPERM;
1692 }
1693
1694 if ((ioc->diag_buffer_status[buffer_type] &
1695 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1696 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1697 "registered\n", ioc->name, __func__, buffer_type);
1698 return -EINVAL;
1699 }
1700
1701 if (karg.unique_id & 0xffffff00) {
1702 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1703 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1704 "registered\n", ioc->name, __func__,
1705 karg.unique_id);
1706 return -EINVAL;
1707 }
1708 }
1709
1710 request_data = ioc->diag_buffer[buffer_type];
1711 if (!request_data) {
1712 printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
1713 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1714 return -ENOMEM;
1715 }
1716
1717 if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED)
1718 karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
1719 MPT2_APP_FLAGS_BUFFER_VALID);
1720 else
1721 karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
1722 MPT2_APP_FLAGS_BUFFER_VALID |
1723 MPT2_APP_FLAGS_FW_BUFFER_ACCESS);
1724
1725 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1726 karg.product_specific[i] =
1727 ioc->product_specific[buffer_type][i];
1728
1729 karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
1730 karg.driver_added_buffer_size = 0;
1731 karg.unique_id = ioc->unique_id[buffer_type];
1732 karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
1733
1734 if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) {
1735 printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query "
1736 "data @ %p\n", ioc->name, __func__, arg);
1737 return -EFAULT;
1738 }
1739 return 0;
1740}
1741
1742/**
1743 * _ctl_send_release - Diag Release Message
1744 * @ioc: per adapter object
1745 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
1746 * @issue_reset - specifies whether host reset is required.
1747 *
1748 */
1749static int
1750_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
1751{
1752 Mpi2DiagReleaseRequest_t *mpi_request;
1753 Mpi2DiagReleaseReply_t *mpi_reply;
1754 u16 smid;
1755 u16 ioc_status;
1756 u32 ioc_state;
1757 int rc;
1758 unsigned long timeleft;
1759
1760 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1761 __func__));
1762
1763 rc = 0;
1764 *issue_reset = 0;
1765
1766 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1767 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
1768 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
1769 "skipping due to FAULT state\n", ioc->name,
1770 __func__));
1771 rc = -EAGAIN;
1772 goto out;
1773 }
1774
1775 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1776 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1777 ioc->name, __func__);
1778 rc = -EAGAIN;
1779 goto out;
1780 }
1781
1782 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1783 if (!smid) {
1784 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1785 ioc->name, __func__);
1786 rc = -EAGAIN;
1787 goto out;
1788 }
1789
1790 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1791 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1792 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1793 ioc->ctl_cmds.smid = smid;
1794
1795 mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
1796 mpi_request->BufferType = buffer_type;
1797 mpi_request->VF_ID = 0; /* TODO */
1798 mpi_request->VP_ID = 0;
1799
1800 init_completion(&ioc->ctl_cmds.done);
1801 mpt2sas_base_put_smid_default(ioc, smid);
1802 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1803 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1804
1805 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1806 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1807 __func__);
1808 _debug_dump_mf(mpi_request,
1809 sizeof(Mpi2DiagReleaseRequest_t)/4);
1810 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1811 *issue_reset = 1;
1812 rc = -EFAULT;
1813 goto out;
1814 }
1815
1816 /* process the completed Reply Message Frame */
1817 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
1818 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
1819 ioc->name, __func__);
1820 rc = -EFAULT;
1821 goto out;
1822 }
1823
1824 mpi_reply = ioc->ctl_cmds.reply;
1825 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1826
1827 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1828 ioc->diag_buffer_status[buffer_type] |=
1829 MPT2_DIAG_BUFFER_IS_RELEASED;
1830 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
1831 ioc->name, __func__));
1832 } else {
1833 printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
1834 "log_info(0x%08x)\n", ioc->name, __func__,
1835 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1836 rc = -EFAULT;
1837 }
1838
1839 out:
1840 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1841 return rc;
1842}
1843
1844/**
1845 * _ctl_diag_release - request to send Diag Release Message to firmware
1846 * @arg - user space buffer containing ioctl content
1847 *
1848 * This allows ownership of the specified buffer to returned to the driver,
1849 * allowing an application to read the buffer without fear that firmware is
1850 * overwritting information in the buffer.
1851 */
1852static long
1853_ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1854{
1855 struct mpt2_diag_release karg;
1856 void *request_data;
1857 int rc;
1858 u8 buffer_type;
1859 u8 issue_reset = 0;
1860
1861 if (copy_from_user(&karg, arg, sizeof(karg))) {
1862 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1863 __FILE__, __LINE__, __func__);
1864 return -EFAULT;
1865 }
1866
1867 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1868 __func__));
1869
1870 buffer_type = karg.unique_id & 0x000000ff;
1871 if (!_ctl_diag_capability(ioc, buffer_type)) {
1872 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1873 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1874 return -EPERM;
1875 }
1876
1877 if ((ioc->diag_buffer_status[buffer_type] &
1878 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1879 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1880 "registered\n", ioc->name, __func__, buffer_type);
1881 return -EINVAL;
1882 }
1883
1884 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1885 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1886 "registered\n", ioc->name, __func__, karg.unique_id);
1887 return -EINVAL;
1888 }
1889
1890 if (ioc->diag_buffer_status[buffer_type] &
1891 MPT2_DIAG_BUFFER_IS_RELEASED) {
1892 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
1893 "is already released\n", ioc->name, __func__,
1894 buffer_type);
1895 return 0;
1896 }
1897
1898 request_data = ioc->diag_buffer[buffer_type];
1899
1900 if (!request_data) {
1901 printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
1902 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1903 return -ENOMEM;
1904 }
1905
1906 /* buffers were released by due to host reset */
1907 if ((ioc->diag_buffer_status[buffer_type] &
1908 MPT2_DIAG_BUFFER_IS_DIAG_RESET)) {
1909 ioc->diag_buffer_status[buffer_type] |=
1910 MPT2_DIAG_BUFFER_IS_RELEASED;
1911 ioc->diag_buffer_status[buffer_type] &=
1912 ~MPT2_DIAG_BUFFER_IS_DIAG_RESET;
1913 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
1914 "was released due to host reset\n", ioc->name, __func__,
1915 buffer_type);
1916 return 0;
1917 }
1918
1919 rc = _ctl_send_release(ioc, buffer_type, &issue_reset);
1920
1921 if (issue_reset)
1922 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1923 FORCE_BIG_HAMMER);
1924
1925 return rc;
1926}
1927
1928/**
1929 * _ctl_diag_read_buffer - request for copy of the diag buffer
1930 * @ioc: per adapter object
1931 * @arg - user space buffer containing ioctl content
1932 */
1933static long
1934_ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1935{
1936 struct mpt2_diag_read_buffer karg;
1937 struct mpt2_diag_read_buffer __user *uarg = arg;
1938 void *request_data, *diag_data;
1939 Mpi2DiagBufferPostRequest_t *mpi_request;
1940 Mpi2DiagBufferPostReply_t *mpi_reply;
1941 int rc, i;
1942 u8 buffer_type;
1943 unsigned long timeleft, request_size, copy_size;
1944 u16 smid;
1945 u16 ioc_status;
1946 u8 issue_reset = 0;
1947
1948 if (copy_from_user(&karg, arg, sizeof(karg))) {
1949 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1950 __FILE__, __LINE__, __func__);
1951 return -EFAULT;
1952 }
1953
1954 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1955 __func__));
1956
1957 buffer_type = karg.unique_id & 0x000000ff;
1958 if (!_ctl_diag_capability(ioc, buffer_type)) {
1959 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1960 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1961 return -EPERM;
1962 }
1963
1964 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1965 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1966 "registered\n", ioc->name, __func__, karg.unique_id);
1967 return -EINVAL;
1968 }
1969
1970 request_data = ioc->diag_buffer[buffer_type];
1971 if (!request_data) {
1972 printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
1973 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1974 return -ENOMEM;
1975 }
1976
1977 request_size = ioc->diag_buffer_sz[buffer_type];
1978
1979 if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
1980 printk(MPT2SAS_ERR_FMT "%s: either the starting_offset "
1981 "or bytes_to_read are not 4 byte aligned\n", ioc->name,
1982 __func__);
1983 return -EINVAL;
1984 }
1985
1986 if (karg.starting_offset > request_size)
1987 return -EINVAL;
1988
1989 diag_data = (void *)(request_data + karg.starting_offset);
1990 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), "
1991 "offset(%d), sz(%d)\n", ioc->name, __func__,
1992 diag_data, karg.starting_offset, karg.bytes_to_read));
1993
1994 /* Truncate data on requests that are too large */
1995 if ((diag_data + karg.bytes_to_read < diag_data) ||
1996 (diag_data + karg.bytes_to_read > request_data + request_size))
1997 copy_size = request_size - karg.starting_offset;
1998 else
1999 copy_size = karg.bytes_to_read;
2000
2001 if (copy_to_user((void __user *)uarg->diagnostic_data,
2002 diag_data, copy_size)) {
2003 printk(MPT2SAS_ERR_FMT "%s: Unable to write "
2004 "mpt_diag_read_buffer_t data @ %p\n", ioc->name,
2005 __func__, diag_data);
2006 return -EFAULT;
2007 }
2008
2009 if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0)
2010 return 0;
2011
2012 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister "
2013 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type));
2014 if ((ioc->diag_buffer_status[buffer_type] &
2015 MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
2016 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2017 "buffer_type(0x%02x) is still registered\n", ioc->name,
2018 __func__, buffer_type));
2019 return 0;
2020 }
2021 /* Get a free request frame and save the message context.
2022 */
2023
2024 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
2025 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
2026 ioc->name, __func__);
2027 rc = -EAGAIN;
2028 goto out;
2029 }
2030
2031 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
2032 if (!smid) {
2033 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2034 ioc->name, __func__);
2035 rc = -EAGAIN;
2036 goto out;
2037 }
2038
2039 rc = 0;
2040 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
2041 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
2042 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2043 ioc->ctl_cmds.smid = smid;
2044
2045 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
2046 mpi_request->BufferType = buffer_type;
2047 mpi_request->BufferLength =
2048 cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
2049 mpi_request->BufferAddress =
2050 cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
2051 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
2052 mpi_request->ProductSpecific[i] =
2053 cpu_to_le32(ioc->product_specific[buffer_type][i]);
2054 mpi_request->VF_ID = 0; /* TODO */
2055 mpi_request->VP_ID = 0;
2056
2057 init_completion(&ioc->ctl_cmds.done);
2058 mpt2sas_base_put_smid_default(ioc, smid);
2059 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
2060 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
2061
2062 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
2063 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
2064 __func__);
2065 _debug_dump_mf(mpi_request,
2066 sizeof(Mpi2DiagBufferPostRequest_t)/4);
2067 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
2068 issue_reset = 1;
2069 goto issue_host_reset;
2070 }
2071
2072 /* process the completed Reply Message Frame */
2073 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
2074 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
2075 ioc->name, __func__);
2076 rc = -EFAULT;
2077 goto out;
2078 }
2079
2080 mpi_reply = ioc->ctl_cmds.reply;
2081 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
2082
2083 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
2084 ioc->diag_buffer_status[buffer_type] |=
2085 MPT2_DIAG_BUFFER_IS_REGISTERED;
2086 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
2087 ioc->name, __func__));
2088 } else {
2089 printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
2090 "log_info(0x%08x)\n", ioc->name, __func__,
2091 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
2092 rc = -EFAULT;
2093 }
2094
2095 issue_host_reset:
2096 if (issue_reset)
2097 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2098 FORCE_BIG_HAMMER);
2099
2100 out:
2101
2102 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
2103 return rc;
2104}
2105
2106
2107#ifdef CONFIG_COMPAT
2108/**
2109 * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
2110 * @ioc: per adapter object
2111 * @cmd - ioctl opcode
2112 * @arg - (struct mpt2_ioctl_command32)
2113 *
2114 * MPT2COMMAND32 - Handle 32bit applications running on 64bit os.
2115 */
2116static long
2117_ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd,
2118 void __user *arg)
2119{
2120 struct mpt2_ioctl_command32 karg32;
2121 struct mpt2_ioctl_command32 __user *uarg;
2122 struct mpt2_ioctl_command karg;
2123
2124 if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32))
2125 return -EINVAL;
2126
2127 uarg = (struct mpt2_ioctl_command32 __user *) arg;
2128
2129 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
2130 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2131 __FILE__, __LINE__, __func__);
2132 return -EFAULT;
2133 }
2134
2135 memset(&karg, 0, sizeof(struct mpt2_ioctl_command));
2136 karg.hdr.ioc_number = karg32.hdr.ioc_number;
2137 karg.hdr.port_number = karg32.hdr.port_number;
2138 karg.hdr.max_data_size = karg32.hdr.max_data_size;
2139 karg.timeout = karg32.timeout;
2140 karg.max_reply_bytes = karg32.max_reply_bytes;
2141 karg.data_in_size = karg32.data_in_size;
2142 karg.data_out_size = karg32.data_out_size;
2143 karg.max_sense_bytes = karg32.max_sense_bytes;
2144 karg.data_sge_offset = karg32.data_sge_offset;
2145 karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr);
2146 karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr);
2147 karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr);
2148 karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr);
2149 return _ctl_do_mpt_command(ioc, karg, &uarg->mf);
2150}
2151#endif
2152
2153/**
2154 * _ctl_ioctl_main - main ioctl entry point
2155 * @file - (struct file)
2156 * @cmd - ioctl opcode
2157 * @arg -
2158 * compat - handles 32 bit applications in 64bit os
2159 */
2160static long
2161_ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
2162 u8 compat)
2163{
2164 struct MPT2SAS_ADAPTER *ioc;
2165 struct mpt2_ioctl_header ioctl_header;
2166 enum block_state state;
2167 long ret = -EINVAL;
2168
2169 /* get IOCTL header */
2170 if (copy_from_user(&ioctl_header, (char __user *)arg,
2171 sizeof(struct mpt2_ioctl_header))) {
2172 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2173 __FILE__, __LINE__, __func__);
2174 return -EFAULT;
2175 }
2176
2177 if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc)
2178 return -ENODEV;
2179 /* pci_access_mutex lock acquired by ioctl path */
2180 mutex_lock(&ioc->pci_access_mutex);
2181 if (ioc->shost_recovery || ioc->pci_error_recovery ||
2182 ioc->is_driver_loading || ioc->remove_host) {
2183 ret = -EAGAIN;
2184 goto out_unlock_pciaccess;
2185 }
2186
2187 state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
2188 if (state == NON_BLOCKING) {
2189 if (!mutex_trylock(&ioc->ctl_cmds.mutex)) {
2190 ret = -EAGAIN;
2191 goto out_unlock_pciaccess;
2192 }
2193 } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
2194 ret = -ERESTARTSYS;
2195 goto out_unlock_pciaccess;
2196 }
2197
2198 switch (cmd) {
2199 case MPT2IOCINFO:
2200 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo))
2201 ret = _ctl_getiocinfo(ioc, arg);
2202 break;
2203#ifdef CONFIG_COMPAT
2204 case MPT2COMMAND32:
2205#endif
2206 case MPT2COMMAND:
2207 {
2208 struct mpt2_ioctl_command __user *uarg;
2209 struct mpt2_ioctl_command karg;
2210#ifdef CONFIG_COMPAT
2211 if (compat) {
2212 ret = _ctl_compat_mpt_command(ioc, cmd, arg);
2213 break;
2214 }
2215#endif
2216 if (copy_from_user(&karg, arg, sizeof(karg))) {
2217 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2218 __FILE__, __LINE__, __func__);
2219 ret = -EFAULT;
2220 break;
2221 }
2222
2223 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) {
2224 uarg = arg;
2225 ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);
2226 }
2227 break;
2228 }
2229 case MPT2EVENTQUERY:
2230 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery))
2231 ret = _ctl_eventquery(ioc, arg);
2232 break;
2233 case MPT2EVENTENABLE:
2234 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable))
2235 ret = _ctl_eventenable(ioc, arg);
2236 break;
2237 case MPT2EVENTREPORT:
2238 ret = _ctl_eventreport(ioc, arg);
2239 break;
2240 case MPT2HARDRESET:
2241 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset))
2242 ret = _ctl_do_reset(ioc, arg);
2243 break;
2244 case MPT2BTDHMAPPING:
2245 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping))
2246 ret = _ctl_btdh_mapping(ioc, arg);
2247 break;
2248 case MPT2DIAGREGISTER:
2249 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register))
2250 ret = _ctl_diag_register(ioc, arg);
2251 break;
2252 case MPT2DIAGUNREGISTER:
2253 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister))
2254 ret = _ctl_diag_unregister(ioc, arg);
2255 break;
2256 case MPT2DIAGQUERY:
2257 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query))
2258 ret = _ctl_diag_query(ioc, arg);
2259 break;
2260 case MPT2DIAGRELEASE:
2261 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release))
2262 ret = _ctl_diag_release(ioc, arg);
2263 break;
2264 case MPT2DIAGREADBUFFER:
2265 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer))
2266 ret = _ctl_diag_read_buffer(ioc, arg);
2267 break;
2268 default:
2269
2270 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT
2271 "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd));
2272 break;
2273 }
2274
2275 mutex_unlock(&ioc->ctl_cmds.mutex);
2276out_unlock_pciaccess:
2277 mutex_unlock(&ioc->pci_access_mutex);
2278 return ret;
2279}
2280
2281/**
2282 * _ctl_ioctl - main ioctl entry point (unlocked)
2283 * @file - (struct file)
2284 * @cmd - ioctl opcode
2285 * @arg -
2286 */
2287static long
2288_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2289{
2290 long ret;
2291
2292 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0);
2293 return ret;
2294}
2295#ifdef CONFIG_COMPAT
2296/**
2297 * _ctl_ioctl_compat - main ioctl entry point (compat)
2298 * @file -
2299 * @cmd -
2300 * @arg -
2301 *
2302 * This routine handles 32 bit applications in 64bit os.
2303 */
2304static long
2305_ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
2306{
2307 long ret;
2308
2309 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1);
2310 return ret;
2311}
2312#endif
2313
2314/* scsi host attributes */
2315
2316/**
2317 * _ctl_version_fw_show - firmware version
2318 * @cdev - pointer to embedded class device
2319 * @buf - the buffer returned
2320 *
2321 * A sysfs 'read-only' shost attribute.
2322 */
2323static ssize_t
2324_ctl_version_fw_show(struct device *cdev, struct device_attribute *attr,
2325 char *buf)
2326{
2327 struct Scsi_Host *shost = class_to_shost(cdev);
2328 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2329
2330 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2331 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2332 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2333 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2334 ioc->facts.FWVersion.Word & 0x000000FF);
2335}
2336static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL);
2337
2338/**
2339 * _ctl_version_bios_show - bios version
2340 * @cdev - pointer to embedded class device
2341 * @buf - the buffer returned
2342 *
2343 * A sysfs 'read-only' shost attribute.
2344 */
2345static ssize_t
2346_ctl_version_bios_show(struct device *cdev, struct device_attribute *attr,
2347 char *buf)
2348{
2349 struct Scsi_Host *shost = class_to_shost(cdev);
2350 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2351
2352 u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2353
2354 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2355 (version & 0xFF000000) >> 24,
2356 (version & 0x00FF0000) >> 16,
2357 (version & 0x0000FF00) >> 8,
2358 version & 0x000000FF);
2359}
2360static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL);
2361
2362/**
2363 * _ctl_version_mpi_show - MPI (message passing interface) version
2364 * @cdev - pointer to embedded class device
2365 * @buf - the buffer returned
2366 *
2367 * A sysfs 'read-only' shost attribute.
2368 */
2369static ssize_t
2370_ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr,
2371 char *buf)
2372{
2373 struct Scsi_Host *shost = class_to_shost(cdev);
2374 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2375
2376 return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
2377 ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
2378}
2379static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL);
2380
2381/**
2382 * _ctl_version_product_show - product name
2383 * @cdev - pointer to embedded class device
2384 * @buf - the buffer returned
2385 *
2386 * A sysfs 'read-only' shost attribute.
2387 */
2388static ssize_t
2389_ctl_version_product_show(struct device *cdev, struct device_attribute *attr,
2390 char *buf)
2391{
2392 struct Scsi_Host *shost = class_to_shost(cdev);
2393 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2394
2395 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
2396}
2397static DEVICE_ATTR(version_product, S_IRUGO,
2398 _ctl_version_product_show, NULL);
2399
2400/**
2401 * _ctl_version_nvdata_persistent_show - ndvata persistent version
2402 * @cdev - pointer to embedded class device
2403 * @buf - the buffer returned
2404 *
2405 * A sysfs 'read-only' shost attribute.
2406 */
2407static ssize_t
2408_ctl_version_nvdata_persistent_show(struct device *cdev,
2409 struct device_attribute *attr, char *buf)
2410{
2411 struct Scsi_Host *shost = class_to_shost(cdev);
2412 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2413
2414 return snprintf(buf, PAGE_SIZE, "%08xh\n",
2415 le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
2416}
2417static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
2418 _ctl_version_nvdata_persistent_show, NULL);
2419
2420/**
2421 * _ctl_version_nvdata_default_show - nvdata default version
2422 * @cdev - pointer to embedded class device
2423 * @buf - the buffer returned
2424 *
2425 * A sysfs 'read-only' shost attribute.
2426 */
2427static ssize_t
2428_ctl_version_nvdata_default_show(struct device *cdev,
2429 struct device_attribute *attr, char *buf)
2430{
2431 struct Scsi_Host *shost = class_to_shost(cdev);
2432 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2433
2434 return snprintf(buf, PAGE_SIZE, "%08xh\n",
2435 le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
2436}
2437static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
2438 _ctl_version_nvdata_default_show, NULL);
2439
2440/**
2441 * _ctl_board_name_show - board name
2442 * @cdev - pointer to embedded class device
2443 * @buf - the buffer returned
2444 *
2445 * A sysfs 'read-only' shost attribute.
2446 */
2447static ssize_t
2448_ctl_board_name_show(struct device *cdev, struct device_attribute *attr,
2449 char *buf)
2450{
2451 struct Scsi_Host *shost = class_to_shost(cdev);
2452 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2453
2454 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
2455}
2456static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL);
2457
2458/**
2459 * _ctl_board_assembly_show - board assembly name
2460 * @cdev - pointer to embedded class device
2461 * @buf - the buffer returned
2462 *
2463 * A sysfs 'read-only' shost attribute.
2464 */
2465static ssize_t
2466_ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr,
2467 char *buf)
2468{
2469 struct Scsi_Host *shost = class_to_shost(cdev);
2470 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2471
2472 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
2473}
2474static DEVICE_ATTR(board_assembly, S_IRUGO,
2475 _ctl_board_assembly_show, NULL);
2476
2477/**
2478 * _ctl_board_tracer_show - board tracer number
2479 * @cdev - pointer to embedded class device
2480 * @buf - the buffer returned
2481 *
2482 * A sysfs 'read-only' shost attribute.
2483 */
2484static ssize_t
2485_ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr,
2486 char *buf)
2487{
2488 struct Scsi_Host *shost = class_to_shost(cdev);
2489 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2490
2491 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
2492}
2493static DEVICE_ATTR(board_tracer, S_IRUGO,
2494 _ctl_board_tracer_show, NULL);
2495
2496/**
2497 * _ctl_io_delay_show - io missing delay
2498 * @cdev - pointer to embedded class device
2499 * @buf - the buffer returned
2500 *
2501 * This is for firmware implemention for deboucing device
2502 * removal events.
2503 *
2504 * A sysfs 'read-only' shost attribute.
2505 */
2506static ssize_t
2507_ctl_io_delay_show(struct device *cdev, struct device_attribute *attr,
2508 char *buf)
2509{
2510 struct Scsi_Host *shost = class_to_shost(cdev);
2511 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2512
2513 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
2514}
2515static DEVICE_ATTR(io_delay, S_IRUGO,
2516 _ctl_io_delay_show, NULL);
2517
2518/**
2519 * _ctl_device_delay_show - device missing delay
2520 * @cdev - pointer to embedded class device
2521 * @buf - the buffer returned
2522 *
2523 * This is for firmware implemention for deboucing device
2524 * removal events.
2525 *
2526 * A sysfs 'read-only' shost attribute.
2527 */
2528static ssize_t
2529_ctl_device_delay_show(struct device *cdev, struct device_attribute *attr,
2530 char *buf)
2531{
2532 struct Scsi_Host *shost = class_to_shost(cdev);
2533 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2534
2535 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
2536}
2537static DEVICE_ATTR(device_delay, S_IRUGO,
2538 _ctl_device_delay_show, NULL);
2539
2540/**
2541 * _ctl_fw_queue_depth_show - global credits
2542 * @cdev - pointer to embedded class device
2543 * @buf - the buffer returned
2544 *
2545 * This is firmware queue depth limit
2546 *
2547 * A sysfs 'read-only' shost attribute.
2548 */
2549static ssize_t
2550_ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
2551 char *buf)
2552{
2553 struct Scsi_Host *shost = class_to_shost(cdev);
2554 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2555
2556 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
2557}
2558static DEVICE_ATTR(fw_queue_depth, S_IRUGO,
2559 _ctl_fw_queue_depth_show, NULL);
2560
2561/**
2562 * _ctl_sas_address_show - sas address
2563 * @cdev - pointer to embedded class device
2564 * @buf - the buffer returned
2565 *
2566 * This is the controller sas address
2567 *
2568 * A sysfs 'read-only' shost attribute.
2569 */
2570static ssize_t
2571_ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr,
2572 char *buf)
2573{
2574 struct Scsi_Host *shost = class_to_shost(cdev);
2575 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2576
2577 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
2578 (unsigned long long)ioc->sas_hba.sas_address);
2579}
2580static DEVICE_ATTR(host_sas_address, S_IRUGO,
2581 _ctl_host_sas_address_show, NULL);
2582
2583/**
2584 * _ctl_logging_level_show - logging level
2585 * @cdev - pointer to embedded class device
2586 * @buf - the buffer returned
2587 *
2588 * A sysfs 'read/write' shost attribute.
2589 */
2590static ssize_t
2591_ctl_logging_level_show(struct device *cdev, struct device_attribute *attr,
2592 char *buf)
2593{
2594 struct Scsi_Host *shost = class_to_shost(cdev);
2595 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2596
2597 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
2598}
2599static ssize_t
2600_ctl_logging_level_store(struct device *cdev, struct device_attribute *attr,
2601 const char *buf, size_t count)
2602{
2603 struct Scsi_Host *shost = class_to_shost(cdev);
2604 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2605 int val = 0;
2606
2607 if (sscanf(buf, "%x", &val) != 1)
2608 return -EINVAL;
2609
2610 ioc->logging_level = val;
2611 printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name,
2612 ioc->logging_level);
2613 return strlen(buf);
2614}
2615static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
2616 _ctl_logging_level_show, _ctl_logging_level_store);
2617
2618/* device attributes */
2619/*
2620 * _ctl_fwfault_debug_show - show/store fwfault_debug
2621 * @cdev - pointer to embedded class device
2622 * @buf - the buffer returned
2623 *
2624 * mpt2sas_fwfault_debug is command line option
2625 * A sysfs 'read/write' shost attribute.
2626 */
2627static ssize_t
2628_ctl_fwfault_debug_show(struct device *cdev,
2629 struct device_attribute *attr, char *buf)
2630{
2631 struct Scsi_Host *shost = class_to_shost(cdev);
2632 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2633
2634 return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
2635}
2636static ssize_t
2637_ctl_fwfault_debug_store(struct device *cdev,
2638 struct device_attribute *attr, const char *buf, size_t count)
2639{
2640 struct Scsi_Host *shost = class_to_shost(cdev);
2641 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2642 int val = 0;
2643
2644 if (sscanf(buf, "%d", &val) != 1)
2645 return -EINVAL;
2646
2647 ioc->fwfault_debug = val;
2648 printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name,
2649 ioc->fwfault_debug);
2650 return strlen(buf);
2651}
2652static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR,
2653 _ctl_fwfault_debug_show, _ctl_fwfault_debug_store);
2654
2655
2656/**
2657 * _ctl_ioc_reset_count_show - ioc reset count
2658 * @cdev - pointer to embedded class device
2659 * @buf - the buffer returned
2660 *
2661 * This is firmware queue depth limit
2662 *
2663 * A sysfs 'read-only' shost attribute.
2664 */
2665static ssize_t
2666_ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
2667 char *buf)
2668{
2669 struct Scsi_Host *shost = class_to_shost(cdev);
2670 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2671
2672 return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count);
2673}
2674static DEVICE_ATTR(ioc_reset_count, S_IRUGO,
2675 _ctl_ioc_reset_count_show, NULL);
2676
2677/**
2678 * _ctl_ioc_reply_queue_count_show - number of reply queues
2679 * @cdev - pointer to embedded class device
2680 * @buf - the buffer returned
2681 *
2682 * This is number of reply queues
2683 *
2684 * A sysfs 'read-only' shost attribute.
2685 */
2686static ssize_t
2687_ctl_ioc_reply_queue_count_show(struct device *cdev,
2688 struct device_attribute *attr, char *buf)
2689{
2690 u8 reply_queue_count;
2691 struct Scsi_Host *shost = class_to_shost(cdev);
2692 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2693
2694 if ((ioc->facts.IOCCapabilities &
2695 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
2696 reply_queue_count = ioc->reply_queue_count;
2697 else
2698 reply_queue_count = 1;
2699 return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
2700}
2701static DEVICE_ATTR(reply_queue_count, S_IRUGO,
2702 _ctl_ioc_reply_queue_count_show, NULL);
2703
2704/**
2705 * _ctl_BRM_status_show - Backup Rail Monitor Status
2706 * @cdev - pointer to embedded class device
2707 * @buf - the buffer returned
2708 *
2709 * This is number of reply queues
2710 *
2711 * A sysfs 'read-only' shost attribute.
2712 */
2713static ssize_t
2714_ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr,
2715 char *buf)
2716{
2717 struct Scsi_Host *shost = class_to_shost(cdev);
2718 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2719 Mpi2IOUnitPage3_t *io_unit_pg3 = NULL;
2720 Mpi2ConfigReply_t mpi_reply;
2721 u16 backup_rail_monitor_status = 0;
2722 u16 ioc_status;
2723 int sz;
2724 ssize_t rc = 0;
2725
2726 if (!ioc->is_warpdrive) {
2727 printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\
2728 "warpdrive\n", ioc->name, __func__);
2729 goto out;
2730 }
2731 /* pci_access_mutex lock acquired by sysfs show path */
2732 mutex_lock(&ioc->pci_access_mutex);
2733 if (ioc->pci_error_recovery || ioc->remove_host) {
2734 mutex_unlock(&ioc->pci_access_mutex);
2735 return 0;
2736 }
2737
2738 /* allocate upto GPIOVal 36 entries */
2739 sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
2740 io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
2741 if (!io_unit_pg3) {
2742 printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\
2743 "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz);
2744 goto out;
2745 }
2746
2747 if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) !=
2748 0) {
2749 printk(MPT2SAS_ERR_FMT
2750 "%s: failed reading iounit_pg3\n", ioc->name,
2751 __func__);
2752 goto out;
2753 }
2754
2755 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
2756 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2757 printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\
2758 "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status);
2759 goto out;
2760 }
2761
2762 if (io_unit_pg3->GPIOCount < 25) {
2763 printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\
2764 "25 entries, detected (%d) entries\n", ioc->name, __func__,
2765 io_unit_pg3->GPIOCount);
2766 goto out;
2767 }
2768
2769 /* BRM status is in bit zero of GPIOVal[24] */
2770 backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]);
2771 rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1));
2772
2773 out:
2774 kfree(io_unit_pg3);
2775 mutex_unlock(&ioc->pci_access_mutex);
2776 return rc;
2777}
2778static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL);
2779
2780struct DIAG_BUFFER_START {
2781 __le32 Size;
2782 __le32 DiagVersion;
2783 u8 BufferType;
2784 u8 Reserved[3];
2785 __le32 Reserved1;
2786 __le32 Reserved2;
2787 __le32 Reserved3;
2788};
2789/**
2790 * _ctl_host_trace_buffer_size_show - host buffer size (trace only)
2791 * @cdev - pointer to embedded class device
2792 * @buf - the buffer returned
2793 *
2794 * A sysfs 'read-only' shost attribute.
2795 */
2796static ssize_t
2797_ctl_host_trace_buffer_size_show(struct device *cdev,
2798 struct device_attribute *attr, char *buf)
2799{
2800 struct Scsi_Host *shost = class_to_shost(cdev);
2801 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2802 u32 size = 0;
2803 struct DIAG_BUFFER_START *request_data;
2804
2805 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
2806 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2807 "registered\n", ioc->name, __func__);
2808 return 0;
2809 }
2810
2811 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2812 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
2813 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2814 "registered\n", ioc->name, __func__);
2815 return 0;
2816 }
2817
2818 request_data = (struct DIAG_BUFFER_START *)
2819 ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE];
2820 if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 ||
2821 le32_to_cpu(request_data->DiagVersion) == 0x01000000) &&
2822 le32_to_cpu(request_data->Reserved3) == 0x4742444c)
2823 size = le32_to_cpu(request_data->Size);
2824
2825 ioc->ring_buffer_sz = size;
2826 return snprintf(buf, PAGE_SIZE, "%d\n", size);
2827}
2828static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO,
2829 _ctl_host_trace_buffer_size_show, NULL);
2830
2831/**
2832 * _ctl_host_trace_buffer_show - firmware ring buffer (trace only)
2833 * @cdev - pointer to embedded class device
2834 * @buf - the buffer returned
2835 *
2836 * A sysfs 'read/write' shost attribute.
2837 *
2838 * You will only be able to read 4k bytes of ring buffer at a time.
2839 * In order to read beyond 4k bytes, you will have to write out the
2840 * offset to the same attribute, it will move the pointer.
2841 */
2842static ssize_t
2843_ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr,
2844 char *buf)
2845{
2846 struct Scsi_Host *shost = class_to_shost(cdev);
2847 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2848 void *request_data;
2849 u32 size;
2850
2851 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
2852 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2853 "registered\n", ioc->name, __func__);
2854 return 0;
2855 }
2856
2857 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2858 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
2859 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2860 "registered\n", ioc->name, __func__);
2861 return 0;
2862 }
2863
2864 if (ioc->ring_buffer_offset > ioc->ring_buffer_sz)
2865 return 0;
2866
2867 size = ioc->ring_buffer_sz - ioc->ring_buffer_offset;
2868 size = (size > PAGE_SIZE) ? PAGE_SIZE : size;
2869 request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset;
2870 memcpy(buf, request_data, size);
2871 return size;
2872}
2873
2874static ssize_t
2875_ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr,
2876 const char *buf, size_t count)
2877{
2878 struct Scsi_Host *shost = class_to_shost(cdev);
2879 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2880 int val = 0;
2881
2882 if (sscanf(buf, "%d", &val) != 1)
2883 return -EINVAL;
2884
2885 ioc->ring_buffer_offset = val;
2886 return strlen(buf);
2887}
2888static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR,
2889 _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store);
2890
2891/*****************************************/
2892
2893/**
2894 * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only)
2895 * @cdev - pointer to embedded class device
2896 * @buf - the buffer returned
2897 *
2898 * A sysfs 'read/write' shost attribute.
2899 *
2900 * This is a mechnism to post/release host_trace_buffers
2901 */
2902static ssize_t
2903_ctl_host_trace_buffer_enable_show(struct device *cdev,
2904 struct device_attribute *attr, char *buf)
2905{
2906 struct Scsi_Host *shost = class_to_shost(cdev);
2907 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2908
2909 if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) ||
2910 ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2911 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0))
2912 return snprintf(buf, PAGE_SIZE, "off\n");
2913 else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2914 MPT2_DIAG_BUFFER_IS_RELEASED))
2915 return snprintf(buf, PAGE_SIZE, "release\n");
2916 else
2917 return snprintf(buf, PAGE_SIZE, "post\n");
2918}
2919
2920static ssize_t
2921_ctl_host_trace_buffer_enable_store(struct device *cdev,
2922 struct device_attribute *attr, const char *buf, size_t count)
2923{
2924 struct Scsi_Host *shost = class_to_shost(cdev);
2925 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2926 char str[10] = "";
2927 struct mpt2_diag_register diag_register;
2928 u8 issue_reset = 0;
2929
2930 if (sscanf(buf, "%9s", str) != 1)
2931 return -EINVAL;
2932
2933 if (!strcmp(str, "post")) {
2934 /* exit out if host buffers are already posted */
2935 if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) &&
2936 (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2937 MPT2_DIAG_BUFFER_IS_REGISTERED) &&
2938 ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2939 MPT2_DIAG_BUFFER_IS_RELEASED) == 0))
2940 goto out;
2941 memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
2942 printk(MPT2SAS_INFO_FMT "posting host trace buffers\n",
2943 ioc->name);
2944 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
2945 diag_register.requested_buffer_size = (1024 * 1024);
2946 diag_register.unique_id = 0x7075900;
2947 ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0;
2948 _ctl_diag_register_2(ioc, &diag_register);
2949 } else if (!strcmp(str, "release")) {
2950 /* exit out if host buffers are already released */
2951 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE])
2952 goto out;
2953 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2954 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)
2955 goto out;
2956 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2957 MPT2_DIAG_BUFFER_IS_RELEASED))
2958 goto out;
2959 printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n",
2960 ioc->name);
2961 _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset);
2962 }
2963
2964 out:
2965 return strlen(buf);
2966}
2967static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR,
2968 _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store);
2969
2970struct device_attribute *mpt2sas_host_attrs[] = {
2971 &dev_attr_version_fw,
2972 &dev_attr_version_bios,
2973 &dev_attr_version_mpi,
2974 &dev_attr_version_product,
2975 &dev_attr_version_nvdata_persistent,
2976 &dev_attr_version_nvdata_default,
2977 &dev_attr_board_name,
2978 &dev_attr_board_assembly,
2979 &dev_attr_board_tracer,
2980 &dev_attr_io_delay,
2981 &dev_attr_device_delay,
2982 &dev_attr_logging_level,
2983 &dev_attr_fwfault_debug,
2984 &dev_attr_fw_queue_depth,
2985 &dev_attr_host_sas_address,
2986 &dev_attr_ioc_reset_count,
2987 &dev_attr_host_trace_buffer_size,
2988 &dev_attr_host_trace_buffer,
2989 &dev_attr_host_trace_buffer_enable,
2990 &dev_attr_reply_queue_count,
2991 &dev_attr_BRM_status,
2992 NULL,
2993};
2994
2995/**
2996 * _ctl_device_sas_address_show - sas address
2997 * @cdev - pointer to embedded class device
2998 * @buf - the buffer returned
2999 *
3000 * This is the sas address for the target
3001 *
3002 * A sysfs 'read-only' shost attribute.
3003 */
3004static ssize_t
3005_ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr,
3006 char *buf)
3007{
3008 struct scsi_device *sdev = to_scsi_device(dev);
3009 struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3010
3011 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
3012 (unsigned long long)sas_device_priv_data->sas_target->sas_address);
3013}
3014static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL);
3015
3016/**
3017 * _ctl_device_handle_show - device handle
3018 * @cdev - pointer to embedded class device
3019 * @buf - the buffer returned
3020 *
3021 * This is the firmware assigned device handle
3022 *
3023 * A sysfs 'read-only' shost attribute.
3024 */
3025static ssize_t
3026_ctl_device_handle_show(struct device *dev, struct device_attribute *attr,
3027 char *buf)
3028{
3029 struct scsi_device *sdev = to_scsi_device(dev);
3030 struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3031
3032 return snprintf(buf, PAGE_SIZE, "0x%04x\n",
3033 sas_device_priv_data->sas_target->handle);
3034}
3035static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL);
3036
3037struct device_attribute *mpt2sas_dev_attrs[] = {
3038 &dev_attr_sas_address,
3039 &dev_attr_sas_device_handle,
3040 NULL,
3041};
3042
3043static const struct file_operations ctl_fops = {
3044 .owner = THIS_MODULE,
3045 .unlocked_ioctl = _ctl_ioctl,
3046 .poll = _ctl_poll,
3047 .fasync = _ctl_fasync,
3048#ifdef CONFIG_COMPAT
3049 .compat_ioctl = _ctl_ioctl_compat,
3050#endif
3051 .llseek = noop_llseek,
3052};
3053
3054static struct miscdevice ctl_dev = {
3055 .minor = MPT2SAS_MINOR,
3056 .name = MPT2SAS_DEV_NAME,
3057 .fops = &ctl_fops,
3058};
3059
3060/**
3061 * mpt2sas_ctl_init - main entry point for ctl.
3062 *
3063 */
3064void
3065mpt2sas_ctl_init(void)
3066{
3067 async_queue = NULL;
3068 if (misc_register(&ctl_dev) < 0)
3069 printk(KERN_ERR "%s can't register misc device [minor=%d]\n",
3070 MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
3071
3072 init_waitqueue_head(&ctl_poll_wait);
3073}
3074
3075/**
3076 * mpt2sas_ctl_exit - exit point for ctl
3077 *
3078 */
3079void
3080mpt2sas_ctl_exit(void)
3081{
3082 struct MPT2SAS_ADAPTER *ioc;
3083 int i;
3084
3085 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
3086
3087 /* free memory associated to diag buffers */
3088 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
3089 if (!ioc->diag_buffer[i])
3090 continue;
3091 pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i],
3092 ioc->diag_buffer[i], ioc->diag_buffer_dma[i]);
3093 ioc->diag_buffer[i] = NULL;
3094 ioc->diag_buffer_status[i] = 0;
3095 }
3096
3097 kfree(ioc->event_log);
3098 }
3099 misc_deregister(&ctl_dev);
3100}
3101
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
deleted file mode 100644
index 46b2fc5b74af..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h
+++ /dev/null
@@ -1,419 +0,0 @@
1/*
2 * Management Module Support for MPT (Message Passing Technology) based
3 * controllers
4 *
5 * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h
6 * Copyright (C) 2007-2014 LSI Corporation
7 * Copyright (C) 20013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * NO WARRANTY
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
30
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
43 * USA.
44 */
45
46#ifndef MPT2SAS_CTL_H_INCLUDED
47#define MPT2SAS_CTL_H_INCLUDED
48
49#ifdef __KERNEL__
50#include <linux/miscdevice.h>
51#endif
52
53#define MPT2SAS_DEV_NAME "mpt2ctl"
54#define MPT2_MAGIC_NUMBER 'L'
55#define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
56
57/**
58 * IOCTL opcodes
59 */
60#define MPT2IOCINFO _IOWR(MPT2_MAGIC_NUMBER, 17, \
61 struct mpt2_ioctl_iocinfo)
62#define MPT2COMMAND _IOWR(MPT2_MAGIC_NUMBER, 20, \
63 struct mpt2_ioctl_command)
64#ifdef CONFIG_COMPAT
65#define MPT2COMMAND32 _IOWR(MPT2_MAGIC_NUMBER, 20, \
66 struct mpt2_ioctl_command32)
67#endif
68#define MPT2EVENTQUERY _IOWR(MPT2_MAGIC_NUMBER, 21, \
69 struct mpt2_ioctl_eventquery)
70#define MPT2EVENTENABLE _IOWR(MPT2_MAGIC_NUMBER, 22, \
71 struct mpt2_ioctl_eventenable)
72#define MPT2EVENTREPORT _IOWR(MPT2_MAGIC_NUMBER, 23, \
73 struct mpt2_ioctl_eventreport)
74#define MPT2HARDRESET _IOWR(MPT2_MAGIC_NUMBER, 24, \
75 struct mpt2_ioctl_diag_reset)
76#define MPT2BTDHMAPPING _IOWR(MPT2_MAGIC_NUMBER, 31, \
77 struct mpt2_ioctl_btdh_mapping)
78
79/* diag buffer support */
80#define MPT2DIAGREGISTER _IOWR(MPT2_MAGIC_NUMBER, 26, \
81 struct mpt2_diag_register)
82#define MPT2DIAGRELEASE _IOWR(MPT2_MAGIC_NUMBER, 27, \
83 struct mpt2_diag_release)
84#define MPT2DIAGUNREGISTER _IOWR(MPT2_MAGIC_NUMBER, 28, \
85 struct mpt2_diag_unregister)
86#define MPT2DIAGQUERY _IOWR(MPT2_MAGIC_NUMBER, 29, \
87 struct mpt2_diag_query)
88#define MPT2DIAGREADBUFFER _IOWR(MPT2_MAGIC_NUMBER, 30, \
89 struct mpt2_diag_read_buffer)
90
91/**
92 * struct mpt2_ioctl_header - main header structure
93 * @ioc_number - IOC unit number
94 * @port_number - IOC port number
95 * @max_data_size - maximum number bytes to transfer on read
96 */
97struct mpt2_ioctl_header {
98 uint32_t ioc_number;
99 uint32_t port_number;
100 uint32_t max_data_size;
101};
102
103/**
104 * struct mpt2_ioctl_diag_reset - diagnostic reset
105 * @hdr - generic header
106 */
107struct mpt2_ioctl_diag_reset {
108 struct mpt2_ioctl_header hdr;
109};
110
111
112/**
113 * struct mpt2_ioctl_pci_info - pci device info
114 * @device - pci device id
115 * @function - pci function id
116 * @bus - pci bus id
117 * @segment_id - pci segment id
118 */
119struct mpt2_ioctl_pci_info {
120 union {
121 struct {
122 uint32_t device:5;
123 uint32_t function:3;
124 uint32_t bus:24;
125 } bits;
126 uint32_t word;
127 } u;
128 uint32_t segment_id;
129};
130
131
132#define MPT2_IOCTL_INTERFACE_SCSI (0x00)
133#define MPT2_IOCTL_INTERFACE_FC (0x01)
134#define MPT2_IOCTL_INTERFACE_FC_IP (0x02)
135#define MPT2_IOCTL_INTERFACE_SAS (0x03)
136#define MPT2_IOCTL_INTERFACE_SAS2 (0x04)
137#define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05)
138#define MPT2_IOCTL_VERSION_LENGTH (32)
139
140/**
141 * struct mpt2_ioctl_iocinfo - generic controller info
142 * @hdr - generic header
143 * @adapter_type - type of adapter (spi, fc, sas)
144 * @port_number - port number
145 * @pci_id - PCI Id
146 * @hw_rev - hardware revision
147 * @sub_system_device - PCI subsystem Device ID
148 * @sub_system_vendor - PCI subsystem Vendor ID
149 * @rsvd0 - reserved
150 * @firmware_version - firmware version
151 * @bios_version - BIOS version
152 * @driver_version - driver version - 32 ASCII characters
153 * @rsvd1 - reserved
154 * @scsi_id - scsi id of adapter 0
155 * @rsvd2 - reserved
156 * @pci_information - pci info (2nd revision)
157 */
158struct mpt2_ioctl_iocinfo {
159 struct mpt2_ioctl_header hdr;
160 uint32_t adapter_type;
161 uint32_t port_number;
162 uint32_t pci_id;
163 uint32_t hw_rev;
164 uint32_t subsystem_device;
165 uint32_t subsystem_vendor;
166 uint32_t rsvd0;
167 uint32_t firmware_version;
168 uint32_t bios_version;
169 uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH];
170 uint8_t rsvd1;
171 uint8_t scsi_id;
172 uint16_t rsvd2;
173 struct mpt2_ioctl_pci_info pci_information;
174};
175
176
177/* number of event log entries */
178#define MPT2SAS_CTL_EVENT_LOG_SIZE (50)
179
180/**
181 * struct mpt2_ioctl_eventquery - query event count and type
182 * @hdr - generic header
183 * @event_entries - number of events returned by get_event_report
184 * @rsvd - reserved
185 * @event_types - type of events currently being captured
186 */
187struct mpt2_ioctl_eventquery {
188 struct mpt2_ioctl_header hdr;
189 uint16_t event_entries;
190 uint16_t rsvd;
191 uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
192};
193
194/**
195 * struct mpt2_ioctl_eventenable - enable/disable event capturing
196 * @hdr - generic header
197 * @event_types - toggle off/on type of events to be captured
198 */
199struct mpt2_ioctl_eventenable {
200 struct mpt2_ioctl_header hdr;
201 uint32_t event_types[4];
202};
203
204#define MPT2_EVENT_DATA_SIZE (192)
205/**
206 * struct MPT2_IOCTL_EVENTS -
207 * @event - the event that was reported
208 * @context - unique value for each event assigned by driver
209 * @data - event data returned in fw reply message
210 */
211struct MPT2_IOCTL_EVENTS {
212 uint32_t event;
213 uint32_t context;
214 uint8_t data[MPT2_EVENT_DATA_SIZE];
215};
216
217/**
218 * struct mpt2_ioctl_eventreport - returing event log
219 * @hdr - generic header
220 * @event_data - (see struct MPT2_IOCTL_EVENTS)
221 */
222struct mpt2_ioctl_eventreport {
223 struct mpt2_ioctl_header hdr;
224 struct MPT2_IOCTL_EVENTS event_data[1];
225};
226
227/**
228 * struct mpt2_ioctl_command - generic mpt firmware passthru ioctl
229 * @hdr - generic header
230 * @timeout - command timeout in seconds. (if zero then use driver default
231 * value).
232 * @reply_frame_buf_ptr - reply location
233 * @data_in_buf_ptr - destination for read
234 * @data_out_buf_ptr - data source for write
235 * @sense_data_ptr - sense data location
236 * @max_reply_bytes - maximum number of reply bytes to be sent to app.
237 * @data_in_size - number bytes for data transfer in (read)
238 * @data_out_size - number bytes for data transfer out (write)
239 * @max_sense_bytes - maximum number of bytes for auto sense buffers
240 * @data_sge_offset - offset in words from the start of the request message to
241 * the first SGL
242 * @mf[1];
243 */
244struct mpt2_ioctl_command {
245 struct mpt2_ioctl_header hdr;
246 uint32_t timeout;
247 void __user *reply_frame_buf_ptr;
248 void __user *data_in_buf_ptr;
249 void __user *data_out_buf_ptr;
250 void __user *sense_data_ptr;
251 uint32_t max_reply_bytes;
252 uint32_t data_in_size;
253 uint32_t data_out_size;
254 uint32_t max_sense_bytes;
255 uint32_t data_sge_offset;
256 uint8_t mf[1];
257};
258
259#ifdef CONFIG_COMPAT
260struct mpt2_ioctl_command32 {
261 struct mpt2_ioctl_header hdr;
262 uint32_t timeout;
263 uint32_t reply_frame_buf_ptr;
264 uint32_t data_in_buf_ptr;
265 uint32_t data_out_buf_ptr;
266 uint32_t sense_data_ptr;
267 uint32_t max_reply_bytes;
268 uint32_t data_in_size;
269 uint32_t data_out_size;
270 uint32_t max_sense_bytes;
271 uint32_t data_sge_offset;
272 uint8_t mf[1];
273};
274#endif
275
276/**
277 * struct mpt2_ioctl_btdh_mapping - mapping info
278 * @hdr - generic header
279 * @id - target device identification number
280 * @bus - SCSI bus number that the target device exists on
281 * @handle - device handle for the target device
282 * @rsvd - reserved
283 *
284 * To obtain a bus/id the application sets
285 * handle to valid handle, and bus/id to 0xFFFF.
286 *
287 * To obtain the device handle the application sets
288 * bus/id valid value, and the handle to 0xFFFF.
289 */
290struct mpt2_ioctl_btdh_mapping {
291 struct mpt2_ioctl_header hdr;
292 uint32_t id;
293 uint32_t bus;
294 uint16_t handle;
295 uint16_t rsvd;
296};
297
298
299/* status bits for ioc->diag_buffer_status */
300#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
301#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
302#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04)
303
304/* application flags for mpt2_diag_register, mpt2_diag_query */
305#define MPT2_APP_FLAGS_APP_OWNED (0x0001)
306#define MPT2_APP_FLAGS_BUFFER_VALID (0x0002)
307#define MPT2_APP_FLAGS_FW_BUFFER_ACCESS (0x0004)
308
309/* flags for mpt2_diag_read_buffer */
310#define MPT2_FLAGS_REREGISTER (0x0001)
311
312#define MPT2_PRODUCT_SPECIFIC_DWORDS 23
313
314/**
315 * struct mpt2_diag_register - application register with driver
316 * @hdr - generic header
317 * @reserved -
318 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
319 * @application_flags - misc flags
320 * @diagnostic_flags - specifies flags affecting command processing
321 * @product_specific - product specific information
322 * @requested_buffer_size - buffers size in bytes
323 * @unique_id - tag specified by application that is used to signal ownership
324 * of the buffer.
325 *
326 * This will allow the driver to setup any required buffers that will be
327 * needed by firmware to communicate with the driver.
328 */
329struct mpt2_diag_register {
330 struct mpt2_ioctl_header hdr;
331 uint8_t reserved;
332 uint8_t buffer_type;
333 uint16_t application_flags;
334 uint32_t diagnostic_flags;
335 uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
336 uint32_t requested_buffer_size;
337 uint32_t unique_id;
338};
339
340/**
341 * struct mpt2_diag_unregister - application unregister with driver
342 * @hdr - generic header
343 * @unique_id - tag uniquely identifies the buffer to be unregistered
344 *
345 * This will allow the driver to cleanup any memory allocated for diag
346 * messages and to free up any resources.
347 */
348struct mpt2_diag_unregister {
349 struct mpt2_ioctl_header hdr;
350 uint32_t unique_id;
351};
352
353/**
354 * struct mpt2_diag_query - query relevant info associated with diag buffers
355 * @hdr - generic header
356 * @reserved -
357 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
358 * @application_flags - misc flags
359 * @diagnostic_flags - specifies flags affecting command processing
360 * @product_specific - product specific information
361 * @total_buffer_size - diag buffer size in bytes
362 * @driver_added_buffer_size - size of extra space appended to end of buffer
363 * @unique_id - unique id associated with this buffer.
364 *
365 * The application will send only buffer_type and unique_id. Driver will
366 * inspect unique_id first, if valid, fill in all the info. If unique_id is
367 * 0x00, the driver will return info specified by Buffer Type.
368 */
369struct mpt2_diag_query {
370 struct mpt2_ioctl_header hdr;
371 uint8_t reserved;
372 uint8_t buffer_type;
373 uint16_t application_flags;
374 uint32_t diagnostic_flags;
375 uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
376 uint32_t total_buffer_size;
377 uint32_t driver_added_buffer_size;
378 uint32_t unique_id;
379};
380
381/**
382 * struct mpt2_diag_release - request to send Diag Release Message to firmware
383 * @hdr - generic header
384 * @unique_id - tag uniquely identifies the buffer to be released
385 *
386 * This allows ownership of the specified buffer to returned to the driver,
387 * allowing an application to read the buffer without fear that firmware is
388 * overwritting information in the buffer.
389 */
390struct mpt2_diag_release {
391 struct mpt2_ioctl_header hdr;
392 uint32_t unique_id;
393};
394
395/**
396 * struct mpt2_diag_read_buffer - request for copy of the diag buffer
397 * @hdr - generic header
398 * @status -
399 * @reserved -
400 * @flags - misc flags
401 * @starting_offset - starting offset within drivers buffer where to start
402 * reading data at into the specified application buffer
403 * @bytes_to_read - number of bytes to copy from the drivers buffer into the
404 * application buffer starting at starting_offset.
405 * @unique_id - unique id associated with this buffer.
406 * @diagnostic_data - data payload
407 */
408struct mpt2_diag_read_buffer {
409 struct mpt2_ioctl_header hdr;
410 uint8_t status;
411 uint8_t reserved;
412 uint16_t flags;
413 uint32_t starting_offset;
414 uint32_t bytes_to_read;
415 uint32_t unique_id;
416 uint32_t diagnostic_data[1];
417};
418
419#endif /* MPT2SAS_CTL_H_INCLUDED */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_debug.h b/drivers/scsi/mpt2sas/mpt2sas_debug.h
deleted file mode 100644
index 277120d45648..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_debug.h
+++ /dev/null
@@ -1,182 +0,0 @@
1/*
2 * Logging Support for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt2sas/mpt2_debug.c
5 * Copyright (C) 2007-2014 LSI Corporation
6 * Copyright (C) 20013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
45#ifndef MPT2SAS_DEBUG_H_INCLUDED
46#define MPT2SAS_DEBUG_H_INCLUDED
47
48#define MPT_DEBUG 0x00000001
49#define MPT_DEBUG_MSG_FRAME 0x00000002
50#define MPT_DEBUG_SG 0x00000004
51#define MPT_DEBUG_EVENTS 0x00000008
52#define MPT_DEBUG_EVENT_WORK_TASK 0x00000010
53#define MPT_DEBUG_INIT 0x00000020
54#define MPT_DEBUG_EXIT 0x00000040
55#define MPT_DEBUG_FAIL 0x00000080
56#define MPT_DEBUG_TM 0x00000100
57#define MPT_DEBUG_REPLY 0x00000200
58#define MPT_DEBUG_HANDSHAKE 0x00000400
59#define MPT_DEBUG_CONFIG 0x00000800
60#define MPT_DEBUG_DL 0x00001000
61#define MPT_DEBUG_RESET 0x00002000
62#define MPT_DEBUG_SCSI 0x00004000
63#define MPT_DEBUG_IOCTL 0x00008000
64#define MPT_DEBUG_CSMISAS 0x00010000
65#define MPT_DEBUG_SAS 0x00020000
66#define MPT_DEBUG_TRANSPORT 0x00040000
67#define MPT_DEBUG_TASK_SET_FULL 0x00080000
68
69#define MPT_DEBUG_TARGET_MODE 0x00100000
70
71
72/*
73 * CONFIG_SCSI_MPT2SAS_LOGGING - enabled in Kconfig
74 */
75
76#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
77#define MPT_CHECK_LOGGING(IOC, CMD, BITS) \
78{ \
79 if (IOC->logging_level & BITS) \
80 CMD; \
81}
82#else
83#define MPT_CHECK_LOGGING(IOC, CMD, BITS)
84#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
85
86
87/*
88 * debug macros
89 */
90
91#define dprintk(IOC, CMD) \
92 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG)
93
94#define dsgprintk(IOC, CMD) \
95 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SG)
96
97#define devtprintk(IOC, CMD) \
98 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENTS)
99
100#define dewtprintk(IOC, CMD) \
101 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENT_WORK_TASK)
102
103#define dinitprintk(IOC, CMD) \
104 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_INIT)
105
106#define dexitprintk(IOC, CMD) \
107 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EXIT)
108
109#define dfailprintk(IOC, CMD) \
110 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_FAIL)
111
112#define dtmprintk(IOC, CMD) \
113 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TM)
114
115#define dreplyprintk(IOC, CMD) \
116 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_REPLY)
117
118#define dhsprintk(IOC, CMD) \
119 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_HANDSHAKE)
120
121#define dcprintk(IOC, CMD) \
122 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CONFIG)
123
124#define ddlprintk(IOC, CMD) \
125 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_DL)
126
127#define drsprintk(IOC, CMD) \
128 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_RESET)
129
130#define dsprintk(IOC, CMD) \
131 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SCSI)
132
133#define dctlprintk(IOC, CMD) \
134 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_IOCTL)
135
136#define dcsmisasprintk(IOC, CMD) \
137 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CSMISAS)
138
139#define dsasprintk(IOC, CMD) \
140 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS)
141
142#define dsastransport(IOC, CMD) \
143 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS_WIDE)
144
145#define dmfprintk(IOC, CMD) \
146 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_MSG_FRAME)
147
148#define dtsfprintk(IOC, CMD) \
149 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TASK_SET_FULL)
150
151#define dtransportprintk(IOC, CMD) \
152 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRANSPORT)
153
154#define dTMprintk(IOC, CMD) \
155 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TARGET_MODE)
156
157/* inline functions for dumping debug data*/
158#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
159/**
160 * _debug_dump_mf - print message frame contents
161 * @mpi_request: pointer to message frame
162 * @sz: number of dwords
163 */
164static inline void
165_debug_dump_mf(void *mpi_request, int sz)
166{
167 int i;
168 __le32 *mfp = (__le32 *)mpi_request;
169
170 printk(KERN_INFO "mf:\n\t");
171 for (i = 0; i < sz; i++) {
172 if (i && ((i % 8) == 0))
173 printk("\n\t");
174 printk("%08x ", le32_to_cpu(mfp[i]));
175 }
176 printk("\n");
177}
178#else
179#define _debug_dump_mf(mpi_request, sz)
180#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
181
182#endif /* MPT2SAS_DEBUG_H_INCLUDED */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
deleted file mode 100644
index 0ad09b2bff9c..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ /dev/null
@@ -1,8855 +0,0 @@
1/*
2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
5 * Copyright (C) 2007-2014 LSI Corporation
6 * Copyright (C) 20013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
45#include <linux/module.h>
46#include <linux/kernel.h>
47#include <linux/init.h>
48#include <linux/errno.h>
49#include <linux/blkdev.h>
50#include <linux/sched.h>
51#include <linux/workqueue.h>
52#include <linux/delay.h>
53#include <linux/pci.h>
54#include <linux/interrupt.h>
55#include <linux/aer.h>
56#include <linux/raid_class.h>
57#include <linux/slab.h>
58
59#include <asm/unaligned.h>
60
61#include "mpt2sas_base.h"
62
63MODULE_AUTHOR(MPT2SAS_AUTHOR);
64MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
65MODULE_LICENSE("GPL");
66MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
67
68#define RAID_CHANNEL 1
69
70/* forward proto's */
71static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
72 struct _sas_node *sas_expander);
73static void _firmware_event_work(struct work_struct *work);
74
75static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid);
76
77static void _scsih_scan_start(struct Scsi_Host *shost);
78static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time);
79
80/* global parameters */
81LIST_HEAD(mpt2sas_ioc_list);
82/* global ioc lock for list operations */
83DEFINE_SPINLOCK(gioc_lock);
84/* local parameters */
85static u8 scsi_io_cb_idx = -1;
86static u8 tm_cb_idx = -1;
87static u8 ctl_cb_idx = -1;
88static u8 base_cb_idx = -1;
89static u8 port_enable_cb_idx = -1;
90static u8 transport_cb_idx = -1;
91static u8 scsih_cb_idx = -1;
92static u8 config_cb_idx = -1;
93static int mpt_ids;
94
95static u8 tm_tr_cb_idx = -1 ;
96static u8 tm_tr_volume_cb_idx = -1 ;
97static u8 tm_sas_control_cb_idx = -1;
98
99/* command line options */
100static u32 logging_level;
101MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
102 "(default=0)");
103
104static ushort max_sectors = 0xFFFF;
105module_param(max_sectors, ushort, 0);
106MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
107
108static int missing_delay[2] = {-1, -1};
109module_param_array(missing_delay, int, NULL, 0);
110MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
111
112/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
113#define MPT2SAS_MAX_LUN (16895)
114static int max_lun = MPT2SAS_MAX_LUN;
115module_param(max_lun, int, 0);
116MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
117
118/* diag_buffer_enable is bitwise
119 * bit 0 set = TRACE
120 * bit 1 set = SNAPSHOT
121 * bit 2 set = EXTENDED
122 *
123 * Either bit can be set, or both
124 */
125static int diag_buffer_enable = -1;
126module_param(diag_buffer_enable, int, 0);
127MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers "
128 "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
129
130static int disable_discovery = -1;
131module_param(disable_discovery, int, 0);
132MODULE_PARM_DESC(disable_discovery, " disable discovery ");
133
134/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
135static int prot_mask = 0;
136module_param(prot_mask, int, 0);
137MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
138
139/**
140 * struct sense_info - common structure for obtaining sense keys
141 * @skey: sense key
142 * @asc: additional sense code
143 * @ascq: additional sense code qualifier
144 */
145struct sense_info {
146 u8 skey;
147 u8 asc;
148 u8 ascq;
149};
150
151
152#define MPT2SAS_TURN_ON_PFA_LED (0xFFFC)
153#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
154#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
155/**
156 * struct fw_event_work - firmware event struct
157 * @list: link list framework
158 * @work: work object (ioc->fault_reset_work_q)
159 * @cancel_pending_work: flag set during reset handling
160 * @ioc: per adapter object
161 * @device_handle: device handle
162 * @VF_ID: virtual function id
163 * @VP_ID: virtual port id
164 * @ignore: flag meaning this event has been marked to ignore
165 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
166 * @event_data: reply event data payload follows
167 *
168 * This object stored on ioc->fw_event_list.
169 */
170struct fw_event_work {
171 struct list_head list;
172 u8 cancel_pending_work;
173 struct delayed_work delayed_work;
174 struct MPT2SAS_ADAPTER *ioc;
175 u16 device_handle;
176 u8 VF_ID;
177 u8 VP_ID;
178 u8 ignore;
179 u16 event;
180 struct kref refcount;
181 char event_data[0] __aligned(4);
182};
183
184static void fw_event_work_free(struct kref *r)
185{
186 kfree(container_of(r, struct fw_event_work, refcount));
187}
188
189static void fw_event_work_get(struct fw_event_work *fw_work)
190{
191 kref_get(&fw_work->refcount);
192}
193
194static void fw_event_work_put(struct fw_event_work *fw_work)
195{
196 kref_put(&fw_work->refcount, fw_event_work_free);
197}
198
199static struct fw_event_work *alloc_fw_event_work(int len)
200{
201 struct fw_event_work *fw_event;
202
203 fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
204 if (!fw_event)
205 return NULL;
206
207 kref_init(&fw_event->refcount);
208 return fw_event;
209}
210
211/* raid transport support */
212static struct raid_template *mpt2sas_raid_template;
213
214/**
215 * struct _scsi_io_transfer - scsi io transfer
216 * @handle: sas device handle (assigned by firmware)
217 * @is_raid: flag set for hidden raid components
218 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
219 * @data_length: data transfer length
220 * @data_dma: dma pointer to data
221 * @sense: sense data
222 * @lun: lun number
223 * @cdb_length: cdb length
224 * @cdb: cdb contents
225 * @timeout: timeout for this command
226 * @VF_ID: virtual function id
227 * @VP_ID: virtual port id
228 * @valid_reply: flag set for reply message
229 * @sense_length: sense length
230 * @ioc_status: ioc status
231 * @scsi_state: scsi state
232 * @scsi_status: scsi staus
233 * @log_info: log information
234 * @transfer_length: data length transfer when there is a reply message
235 *
236 * Used for sending internal scsi commands to devices within this module.
237 * Refer to _scsi_send_scsi_io().
238 */
239struct _scsi_io_transfer {
240 u16 handle;
241 u8 is_raid;
242 enum dma_data_direction dir;
243 u32 data_length;
244 dma_addr_t data_dma;
245 u8 sense[SCSI_SENSE_BUFFERSIZE];
246 u32 lun;
247 u8 cdb_length;
248 u8 cdb[32];
249 u8 timeout;
250 u8 VF_ID;
251 u8 VP_ID;
252 u8 valid_reply;
253 /* the following bits are only valid when 'valid_reply = 1' */
254 u32 sense_length;
255 u16 ioc_status;
256 u8 scsi_state;
257 u8 scsi_status;
258 u32 log_info;
259 u32 transfer_length;
260};
261
262/*
263 * The pci device ids are defined in mpi/mpi2_cnfg.h.
264 */
265static struct pci_device_id scsih_pci_table[] = {
266 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
267 PCI_ANY_ID, PCI_ANY_ID },
268 /* Falcon ~ 2008*/
269 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
270 PCI_ANY_ID, PCI_ANY_ID },
271 /* Liberator ~ 2108 */
272 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
273 PCI_ANY_ID, PCI_ANY_ID },
274 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
275 PCI_ANY_ID, PCI_ANY_ID },
276 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
277 PCI_ANY_ID, PCI_ANY_ID },
278 /* Meteor ~ 2116 */
279 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
280 PCI_ANY_ID, PCI_ANY_ID },
281 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
282 PCI_ANY_ID, PCI_ANY_ID },
283 /* Thunderbolt ~ 2208 */
284 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
285 PCI_ANY_ID, PCI_ANY_ID },
286 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
287 PCI_ANY_ID, PCI_ANY_ID },
288 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
289 PCI_ANY_ID, PCI_ANY_ID },
290 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
291 PCI_ANY_ID, PCI_ANY_ID },
292 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
293 PCI_ANY_ID, PCI_ANY_ID },
294 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
295 PCI_ANY_ID, PCI_ANY_ID },
296 /* Mustang ~ 2308 */
297 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
298 PCI_ANY_ID, PCI_ANY_ID },
299 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
300 PCI_ANY_ID, PCI_ANY_ID },
301 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
302 PCI_ANY_ID, PCI_ANY_ID },
303 /* SSS6200 */
304 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
305 PCI_ANY_ID, PCI_ANY_ID },
306 {0} /* Terminating entry */
307};
308MODULE_DEVICE_TABLE(pci, scsih_pci_table);
309
310/**
311 * _scsih_set_debug_level - global setting of ioc->logging_level.
312 *
313 * Note: The logging levels are defined in mpt2sas_debug.h.
314 */
315static int
316_scsih_set_debug_level(const char *val, struct kernel_param *kp)
317{
318 int ret = param_set_int(val, kp);
319 struct MPT2SAS_ADAPTER *ioc;
320
321 if (ret)
322 return ret;
323
324 printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
325 spin_lock(&gioc_lock);
326 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
327 ioc->logging_level = logging_level;
328 spin_unlock(&gioc_lock);
329 return 0;
330}
331module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
332 &logging_level, 0644);
333
334/**
335 * _scsih_srch_boot_sas_address - search based on sas_address
336 * @sas_address: sas address
337 * @boot_device: boot device object from bios page 2
338 *
339 * Returns 1 when there's a match, 0 means no match.
340 */
341static inline int
342_scsih_srch_boot_sas_address(u64 sas_address,
343 Mpi2BootDeviceSasWwid_t *boot_device)
344{
345 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
346}
347
348/**
349 * _scsih_srch_boot_device_name - search based on device name
350 * @device_name: device name specified in INDENTIFY fram
351 * @boot_device: boot device object from bios page 2
352 *
353 * Returns 1 when there's a match, 0 means no match.
354 */
355static inline int
356_scsih_srch_boot_device_name(u64 device_name,
357 Mpi2BootDeviceDeviceName_t *boot_device)
358{
359 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
360}
361
362/**
363 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
364 * @enclosure_logical_id: enclosure logical id
365 * @slot_number: slot number
366 * @boot_device: boot device object from bios page 2
367 *
368 * Returns 1 when there's a match, 0 means no match.
369 */
370static inline int
371_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
372 Mpi2BootDeviceEnclosureSlot_t *boot_device)
373{
374 return (enclosure_logical_id == le64_to_cpu(boot_device->
375 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
376 SlotNumber)) ? 1 : 0;
377}
378
379/**
380 * _scsih_is_boot_device - search for matching boot device.
381 * @sas_address: sas address
382 * @device_name: device name specified in INDENTIFY fram
383 * @enclosure_logical_id: enclosure logical id
384 * @slot_number: slot number
385 * @form: specifies boot device form
386 * @boot_device: boot device object from bios page 2
387 *
388 * Returns 1 when there's a match, 0 means no match.
389 */
390static int
391_scsih_is_boot_device(u64 sas_address, u64 device_name,
392 u64 enclosure_logical_id, u16 slot, u8 form,
393 Mpi2BiosPage2BootDevice_t *boot_device)
394{
395 int rc = 0;
396
397 switch (form) {
398 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
399 if (!sas_address)
400 break;
401 rc = _scsih_srch_boot_sas_address(
402 sas_address, &boot_device->SasWwid);
403 break;
404 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
405 if (!enclosure_logical_id)
406 break;
407 rc = _scsih_srch_boot_encl_slot(
408 enclosure_logical_id,
409 slot, &boot_device->EnclosureSlot);
410 break;
411 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
412 if (!device_name)
413 break;
414 rc = _scsih_srch_boot_device_name(
415 device_name, &boot_device->DeviceName);
416 break;
417 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
418 break;
419 }
420
421 return rc;
422}
423
424/**
425 * _scsih_get_sas_address - set the sas_address for given device handle
426 * @handle: device handle
427 * @sas_address: sas address
428 *
429 * Returns 0 success, non-zero when failure
430 */
431static int
432_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
433 u64 *sas_address)
434{
435 Mpi2SasDevicePage0_t sas_device_pg0;
436 Mpi2ConfigReply_t mpi_reply;
437 u32 ioc_status;
438 *sas_address = 0;
439
440 if (handle <= ioc->sas_hba.num_phys) {
441 *sas_address = ioc->sas_hba.sas_address;
442 return 0;
443 }
444
445 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
446 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
447 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
448 __FILE__, __LINE__, __func__);
449 return -ENXIO;
450 }
451
452 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
453 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
454 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
455 return 0;
456 }
457
458 /* we hit this becuase the given parent handle doesn't exist */
459 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
460 return -ENXIO;
461 /* else error case */
462 printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), "
463 "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
464 __FILE__, __LINE__, __func__);
465 return -EIO;
466}
467
468/**
469 * _scsih_determine_boot_device - determine boot device.
470 * @ioc: per adapter object
471 * @device: either sas_device or raid_device object
472 * @is_raid: [flag] 1 = raid object, 0 = sas object
473 *
474 * Determines whether this device should be first reported device to
475 * to scsi-ml or sas transport, this purpose is for persistent boot device.
476 * There are primary, alternate, and current entries in bios page 2. The order
477 * priority is primary, alternate, then current. This routine saves
478 * the corresponding device object and is_raid flag in the ioc object.
479 * The saved data to be used later in _scsih_probe_boot_devices().
480 */
481static void
482_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
483 void *device, u8 is_raid)
484{
485 struct _sas_device *sas_device;
486 struct _raid_device *raid_device;
487 u64 sas_address;
488 u64 device_name;
489 u64 enclosure_logical_id;
490 u16 slot;
491
492 /* only process this function when driver loads */
493 if (!ioc->is_driver_loading)
494 return;
495
496 /* no Bios, return immediately */
497 if (!ioc->bios_pg3.BiosVersion)
498 return;
499
500 if (!is_raid) {
501 sas_device = device;
502 sas_address = sas_device->sas_address;
503 device_name = sas_device->device_name;
504 enclosure_logical_id = sas_device->enclosure_logical_id;
505 slot = sas_device->slot;
506 } else {
507 raid_device = device;
508 sas_address = raid_device->wwid;
509 device_name = 0;
510 enclosure_logical_id = 0;
511 slot = 0;
512 }
513
514 if (!ioc->req_boot_device.device) {
515 if (_scsih_is_boot_device(sas_address, device_name,
516 enclosure_logical_id, slot,
517 (ioc->bios_pg2.ReqBootDeviceForm &
518 MPI2_BIOSPAGE2_FORM_MASK),
519 &ioc->bios_pg2.RequestedBootDevice)) {
520 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
521 "%s: req_boot_device(0x%016llx)\n",
522 ioc->name, __func__,
523 (unsigned long long)sas_address));
524 ioc->req_boot_device.device = device;
525 ioc->req_boot_device.is_raid = is_raid;
526 }
527 }
528
529 if (!ioc->req_alt_boot_device.device) {
530 if (_scsih_is_boot_device(sas_address, device_name,
531 enclosure_logical_id, slot,
532 (ioc->bios_pg2.ReqAltBootDeviceForm &
533 MPI2_BIOSPAGE2_FORM_MASK),
534 &ioc->bios_pg2.RequestedAltBootDevice)) {
535 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
536 "%s: req_alt_boot_device(0x%016llx)\n",
537 ioc->name, __func__,
538 (unsigned long long)sas_address));
539 ioc->req_alt_boot_device.device = device;
540 ioc->req_alt_boot_device.is_raid = is_raid;
541 }
542 }
543
544 if (!ioc->current_boot_device.device) {
545 if (_scsih_is_boot_device(sas_address, device_name,
546 enclosure_logical_id, slot,
547 (ioc->bios_pg2.CurrentBootDeviceForm &
548 MPI2_BIOSPAGE2_FORM_MASK),
549 &ioc->bios_pg2.CurrentBootDevice)) {
550 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
551 "%s: current_boot_device(0x%016llx)\n",
552 ioc->name, __func__,
553 (unsigned long long)sas_address));
554 ioc->current_boot_device.device = device;
555 ioc->current_boot_device.is_raid = is_raid;
556 }
557 }
558}
559
560static struct _sas_device *
561__mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc,
562 struct MPT2SAS_TARGET *tgt_priv)
563{
564 struct _sas_device *ret;
565
566 assert_spin_locked(&ioc->sas_device_lock);
567
568 ret = tgt_priv->sdev;
569 if (ret)
570 sas_device_get(ret);
571
572 return ret;
573}
574
575static struct _sas_device *
576mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc,
577 struct MPT2SAS_TARGET *tgt_priv)
578{
579 struct _sas_device *ret;
580 unsigned long flags;
581
582 spin_lock_irqsave(&ioc->sas_device_lock, flags);
583 ret = __mpt2sas_get_sdev_from_target(ioc, tgt_priv);
584 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
585
586 return ret;
587}
588
589
590struct _sas_device *
591__mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc,
592 u64 sas_address)
593{
594 struct _sas_device *sas_device;
595
596 assert_spin_locked(&ioc->sas_device_lock);
597
598 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
599 if (sas_device->sas_address == sas_address)
600 goto found_device;
601
602 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
603 if (sas_device->sas_address == sas_address)
604 goto found_device;
605
606 return NULL;
607
608found_device:
609 sas_device_get(sas_device);
610 return sas_device;
611}
612
613/**
614 * mpt2sas_get_sdev_by_addr - sas device search
615 * @ioc: per adapter object
616 * @sas_address: sas address
617 * Context: Calling function should acquire ioc->sas_device_lock
618 *
619 * This searches for sas_device based on sas_address, then return sas_device
620 * object.
621 */
622struct _sas_device *
623mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc,
624 u64 sas_address)
625{
626 struct _sas_device *sas_device;
627 unsigned long flags;
628
629 spin_lock_irqsave(&ioc->sas_device_lock, flags);
630 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
631 sas_address);
632 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
633
634 return sas_device;
635}
636
637static struct _sas_device *
638__mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
639{
640 struct _sas_device *sas_device;
641
642 assert_spin_locked(&ioc->sas_device_lock);
643
644 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
645 if (sas_device->handle == handle)
646 goto found_device;
647
648 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
649 if (sas_device->handle == handle)
650 goto found_device;
651
652 return NULL;
653
654found_device:
655 sas_device_get(sas_device);
656 return sas_device;
657}
658
659/**
660 * mpt2sas_get_sdev_by_handle - sas device search
661 * @ioc: per adapter object
662 * @handle: sas device handle (assigned by firmware)
663 * Context: Calling function should acquire ioc->sas_device_lock
664 *
665 * This searches for sas_device based on sas_address, then return sas_device
666 * object.
667 */
668static struct _sas_device *
669mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
670{
671 struct _sas_device *sas_device;
672 unsigned long flags;
673
674 spin_lock_irqsave(&ioc->sas_device_lock, flags);
675 sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
676 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
677
678 return sas_device;
679}
680
681/**
682 * _scsih_sas_device_remove - remove sas_device from list.
683 * @ioc: per adapter object
684 * @sas_device: the sas_device object
685 * Context: This function will acquire ioc->sas_device_lock.
686 *
687 * If sas_device is on the list, remove it and decrement its reference count.
688 */
689static void
690_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
691 struct _sas_device *sas_device)
692{
693 unsigned long flags;
694
695 if (!sas_device)
696 return;
697
698 /*
699 * The lock serializes access to the list, but we still need to verify
700 * that nobody removed the entry while we were waiting on the lock.
701 */
702 spin_lock_irqsave(&ioc->sas_device_lock, flags);
703 if (!list_empty(&sas_device->list)) {
704 list_del_init(&sas_device->list);
705 sas_device_put(sas_device);
706 }
707 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
708}
709
710
711/**
712 * _scsih_sas_device_add - insert sas_device to the list.
713 * @ioc: per adapter object
714 * @sas_device: the sas_device object
715 * Context: This function will acquire ioc->sas_device_lock.
716 *
717 * Adding new object to the ioc->sas_device_list.
718 */
719static void
720_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
721 struct _sas_device *sas_device)
722{
723 unsigned long flags;
724
725 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
726 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
727 sas_device->handle, (unsigned long long)sas_device->sas_address));
728
729 spin_lock_irqsave(&ioc->sas_device_lock, flags);
730 sas_device_get(sas_device);
731 list_add_tail(&sas_device->list, &ioc->sas_device_list);
732 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
733
734 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
735 sas_device->sas_address_parent)) {
736 _scsih_sas_device_remove(ioc, sas_device);
737 } else if (!sas_device->starget) {
738 /* When asyn scanning is enabled, its not possible to remove
739 * devices while scanning is turned on due to an oops in
740 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
741 */
742 if (!ioc->is_driver_loading) {
743 mpt2sas_transport_port_remove(ioc,
744 sas_device->sas_address,
745 sas_device->sas_address_parent);
746 _scsih_sas_device_remove(ioc, sas_device);
747 }
748 }
749}
750
751/**
752 * _scsih_sas_device_init_add - insert sas_device to the list.
753 * @ioc: per adapter object
754 * @sas_device: the sas_device object
755 * Context: This function will acquire ioc->sas_device_lock.
756 *
757 * Adding new object at driver load time to the ioc->sas_device_init_list.
758 */
759static void
760_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
761 struct _sas_device *sas_device)
762{
763 unsigned long flags;
764
765 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
766 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
767 sas_device->handle, (unsigned long long)sas_device->sas_address));
768
769 spin_lock_irqsave(&ioc->sas_device_lock, flags);
770 sas_device_get(sas_device);
771 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
772 _scsih_determine_boot_device(ioc, sas_device, 0);
773 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
774}
775
776/**
777 * _scsih_raid_device_find_by_id - raid device search
778 * @ioc: per adapter object
779 * @id: sas device target id
780 * @channel: sas device channel
781 * Context: Calling function should acquire ioc->raid_device_lock
782 *
783 * This searches for raid_device based on target id, then return raid_device
784 * object.
785 */
786static struct _raid_device *
787_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
788{
789 struct _raid_device *raid_device, *r;
790
791 r = NULL;
792 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
793 if (raid_device->id == id && raid_device->channel == channel) {
794 r = raid_device;
795 goto out;
796 }
797 }
798
799 out:
800 return r;
801}
802
803/**
804 * _scsih_raid_device_find_by_handle - raid device search
805 * @ioc: per adapter object
806 * @handle: sas device handle (assigned by firmware)
807 * Context: Calling function should acquire ioc->raid_device_lock
808 *
809 * This searches for raid_device based on handle, then return raid_device
810 * object.
811 */
812static struct _raid_device *
813_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
814{
815 struct _raid_device *raid_device, *r;
816
817 r = NULL;
818 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
819 if (raid_device->handle != handle)
820 continue;
821 r = raid_device;
822 goto out;
823 }
824
825 out:
826 return r;
827}
828
829/**
830 * _scsih_raid_device_find_by_wwid - raid device search
831 * @ioc: per adapter object
832 * @handle: sas device handle (assigned by firmware)
833 * Context: Calling function should acquire ioc->raid_device_lock
834 *
835 * This searches for raid_device based on wwid, then return raid_device
836 * object.
837 */
838static struct _raid_device *
839_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
840{
841 struct _raid_device *raid_device, *r;
842
843 r = NULL;
844 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
845 if (raid_device->wwid != wwid)
846 continue;
847 r = raid_device;
848 goto out;
849 }
850
851 out:
852 return r;
853}
854
855/**
856 * _scsih_raid_device_add - add raid_device object
857 * @ioc: per adapter object
858 * @raid_device: raid_device object
859 *
860 * This is added to the raid_device_list link list.
861 */
862static void
863_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
864 struct _raid_device *raid_device)
865{
866 unsigned long flags;
867
868 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
869 "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
870 raid_device->handle, (unsigned long long)raid_device->wwid));
871
872 spin_lock_irqsave(&ioc->raid_device_lock, flags);
873 list_add_tail(&raid_device->list, &ioc->raid_device_list);
874 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
875}
876
877/**
878 * _scsih_raid_device_remove - delete raid_device object
879 * @ioc: per adapter object
880 * @raid_device: raid_device object
881 *
882 */
883static void
884_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
885 struct _raid_device *raid_device)
886{
887 unsigned long flags;
888
889 spin_lock_irqsave(&ioc->raid_device_lock, flags);
890 list_del(&raid_device->list);
891 kfree(raid_device);
892 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
893}
894
895/**
896 * mpt2sas_scsih_expander_find_by_handle - expander device search
897 * @ioc: per adapter object
898 * @handle: expander handle (assigned by firmware)
899 * Context: Calling function should acquire ioc->sas_device_lock
900 *
901 * This searches for expander device based on handle, then returns the
902 * sas_node object.
903 */
904struct _sas_node *
905mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
906{
907 struct _sas_node *sas_expander, *r;
908
909 r = NULL;
910 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
911 if (sas_expander->handle != handle)
912 continue;
913 r = sas_expander;
914 goto out;
915 }
916 out:
917 return r;
918}
919
920/**
921 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
922 * @ioc: per adapter object
923 * @sas_address: sas address
924 * Context: Calling function should acquire ioc->sas_node_lock.
925 *
926 * This searches for expander device based on sas_address, then returns the
927 * sas_node object.
928 */
929struct _sas_node *
930mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
931 u64 sas_address)
932{
933 struct _sas_node *sas_expander, *r;
934
935 r = NULL;
936 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
937 if (sas_expander->sas_address != sas_address)
938 continue;
939 r = sas_expander;
940 goto out;
941 }
942 out:
943 return r;
944}
945
946/**
947 * _scsih_expander_node_add - insert expander device to the list.
948 * @ioc: per adapter object
949 * @sas_expander: the sas_device object
950 * Context: This function will acquire ioc->sas_node_lock.
951 *
952 * Adding new object to the ioc->sas_expander_list.
953 *
954 * Return nothing.
955 */
956static void
957_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
958 struct _sas_node *sas_expander)
959{
960 unsigned long flags;
961
962 spin_lock_irqsave(&ioc->sas_node_lock, flags);
963 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
964 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
965}
966
967/**
968 * _scsih_is_end_device - determines if device is an end device
969 * @device_info: bitfield providing information about the device.
970 * Context: none
971 *
972 * Returns 1 if end device.
973 */
974static int
975_scsih_is_end_device(u32 device_info)
976{
977 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
978 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
979 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
980 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
981 return 1;
982 else
983 return 0;
984}
985
986/**
987 * _scsih_scsi_lookup_get - returns scmd entry
988 * @ioc: per adapter object
989 * @smid: system request message index
990 *
991 * Returns the smid stored scmd pointer.
992 */
993static struct scsi_cmnd *
994_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
995{
996 return ioc->scsi_lookup[smid - 1].scmd;
997}
998
999/**
1000 * _scsih_scsi_lookup_get_clear - returns scmd entry
1001 * @ioc: per adapter object
1002 * @smid: system request message index
1003 *
1004 * Returns the smid stored scmd pointer.
1005 * Then will derefrence the stored scmd pointer.
1006 */
1007static inline struct scsi_cmnd *
1008_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1009{
1010 unsigned long flags;
1011 struct scsi_cmnd *scmd;
1012
1013 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1014 scmd = ioc->scsi_lookup[smid - 1].scmd;
1015 ioc->scsi_lookup[smid - 1].scmd = NULL;
1016 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1017
1018 return scmd;
1019}
1020
1021/**
1022 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1023 * @ioc: per adapter object
1024 * @smid: system request message index
1025 * @scmd: pointer to scsi command object
1026 * Context: This function will acquire ioc->scsi_lookup_lock.
1027 *
1028 * This will search for a scmd pointer in the scsi_lookup array,
1029 * returning the revelent smid. A returned value of zero means invalid.
1030 */
1031static u16
1032_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
1033 *scmd)
1034{
1035 u16 smid;
1036 unsigned long flags;
1037 int i;
1038
1039 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1040 smid = 0;
1041 for (i = 0; i < ioc->scsiio_depth; i++) {
1042 if (ioc->scsi_lookup[i].scmd == scmd) {
1043 smid = ioc->scsi_lookup[i].smid;
1044 goto out;
1045 }
1046 }
1047 out:
1048 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1049 return smid;
1050}
1051
1052/**
1053 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1054 * @ioc: per adapter object
1055 * @id: target id
1056 * @channel: channel
1057 * Context: This function will acquire ioc->scsi_lookup_lock.
1058 *
1059 * This will search for a matching channel:id in the scsi_lookup array,
1060 * returning 1 if found.
1061 */
1062static u8
1063_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
1064 int channel)
1065{
1066 u8 found;
1067 unsigned long flags;
1068 int i;
1069
1070 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1071 found = 0;
1072 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1073 if (ioc->scsi_lookup[i].scmd &&
1074 (ioc->scsi_lookup[i].scmd->device->id == id &&
1075 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
1076 found = 1;
1077 goto out;
1078 }
1079 }
1080 out:
1081 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1082 return found;
1083}
1084
1085/**
1086 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1087 * @ioc: per adapter object
1088 * @id: target id
1089 * @lun: lun number
1090 * @channel: channel
1091 * Context: This function will acquire ioc->scsi_lookup_lock.
1092 *
1093 * This will search for a matching channel:id:lun in the scsi_lookup array,
1094 * returning 1 if found.
1095 */
1096static u8
1097_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
1098 unsigned int lun, int channel)
1099{
1100 u8 found;
1101 unsigned long flags;
1102 int i;
1103
1104 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1105 found = 0;
1106 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1107 if (ioc->scsi_lookup[i].scmd &&
1108 (ioc->scsi_lookup[i].scmd->device->id == id &&
1109 ioc->scsi_lookup[i].scmd->device->channel == channel &&
1110 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
1111 found = 1;
1112 goto out;
1113 }
1114 }
1115 out:
1116 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1117 return found;
1118}
1119
1120/**
1121 * _scsih_get_chain_buffer_tracker - obtain chain tracker
1122 * @ioc: per adapter object
1123 * @smid: smid associated to an IO request
1124 *
1125 * Returns chain tracker(from ioc->free_chain_list)
1126 */
1127static struct chain_tracker *
1128_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1129{
1130 struct chain_tracker *chain_req;
1131 unsigned long flags;
1132
1133 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1134 if (list_empty(&ioc->free_chain_list)) {
1135 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1136 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not "
1137 "available\n", ioc->name));
1138 return NULL;
1139 }
1140 chain_req = list_entry(ioc->free_chain_list.next,
1141 struct chain_tracker, tracker_list);
1142 list_del_init(&chain_req->tracker_list);
1143 list_add_tail(&chain_req->tracker_list,
1144 &ioc->scsi_lookup[smid - 1].chain_list);
1145 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1146 return chain_req;
1147}
1148
1149/**
1150 * _scsih_build_scatter_gather - main sg creation routine
1151 * @ioc: per adapter object
1152 * @scmd: scsi command
1153 * @smid: system request message index
1154 * Context: none.
1155 *
1156 * The main routine that builds scatter gather table from a given
1157 * scsi request sent via the .queuecommand main handler.
1158 *
1159 * Returns 0 success, anything else error
1160 */
1161static int
1162_scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
1163 struct scsi_cmnd *scmd, u16 smid)
1164{
1165 Mpi2SCSIIORequest_t *mpi_request;
1166 dma_addr_t chain_dma;
1167 struct scatterlist *sg_scmd;
1168 void *sg_local, *chain;
1169 u32 chain_offset;
1170 u32 chain_length;
1171 u32 chain_flags;
1172 int sges_left;
1173 u32 sges_in_segment;
1174 u32 sgl_flags;
1175 u32 sgl_flags_last_element;
1176 u32 sgl_flags_end_buffer;
1177 struct chain_tracker *chain_req;
1178
1179 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1180
1181 /* init scatter gather flags */
1182 sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
1183 if (scmd->sc_data_direction == DMA_TO_DEVICE)
1184 sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
1185 sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
1186 << MPI2_SGE_FLAGS_SHIFT;
1187 sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
1188 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
1189 << MPI2_SGE_FLAGS_SHIFT;
1190 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1191
1192 sg_scmd = scsi_sglist(scmd);
1193 sges_left = scsi_dma_map(scmd);
1194 if (sges_left < 0) {
1195 sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
1196 " failed: request for %d bytes!\n", scsi_bufflen(scmd));
1197 return -ENOMEM;
1198 }
1199
1200 sg_local = &mpi_request->SGL;
1201 sges_in_segment = ioc->max_sges_in_main_message;
1202 if (sges_left <= sges_in_segment)
1203 goto fill_in_last_segment;
1204
1205 mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
1206 (sges_in_segment * ioc->sge_size))/4;
1207
1208 /* fill in main message segment when there is a chain following */
1209 while (sges_in_segment) {
1210 if (sges_in_segment == 1)
1211 ioc->base_add_sg_single(sg_local,
1212 sgl_flags_last_element | sg_dma_len(sg_scmd),
1213 sg_dma_address(sg_scmd));
1214 else
1215 ioc->base_add_sg_single(sg_local, sgl_flags |
1216 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1217 sg_scmd = sg_next(sg_scmd);
1218 sg_local += ioc->sge_size;
1219 sges_left--;
1220 sges_in_segment--;
1221 }
1222
1223 /* initializing the chain flags and pointers */
1224 chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
1225 chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
1226 if (!chain_req)
1227 return -1;
1228 chain = chain_req->chain_buffer;
1229 chain_dma = chain_req->chain_buffer_dma;
1230 do {
1231 sges_in_segment = (sges_left <=
1232 ioc->max_sges_in_chain_message) ? sges_left :
1233 ioc->max_sges_in_chain_message;
1234 chain_offset = (sges_left == sges_in_segment) ?
1235 0 : (sges_in_segment * ioc->sge_size)/4;
1236 chain_length = sges_in_segment * ioc->sge_size;
1237 if (chain_offset) {
1238 chain_offset = chain_offset <<
1239 MPI2_SGE_CHAIN_OFFSET_SHIFT;
1240 chain_length += ioc->sge_size;
1241 }
1242 ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
1243 chain_length, chain_dma);
1244 sg_local = chain;
1245 if (!chain_offset)
1246 goto fill_in_last_segment;
1247
1248 /* fill in chain segments */
1249 while (sges_in_segment) {
1250 if (sges_in_segment == 1)
1251 ioc->base_add_sg_single(sg_local,
1252 sgl_flags_last_element |
1253 sg_dma_len(sg_scmd),
1254 sg_dma_address(sg_scmd));
1255 else
1256 ioc->base_add_sg_single(sg_local, sgl_flags |
1257 sg_dma_len(sg_scmd),
1258 sg_dma_address(sg_scmd));
1259 sg_scmd = sg_next(sg_scmd);
1260 sg_local += ioc->sge_size;
1261 sges_left--;
1262 sges_in_segment--;
1263 }
1264
1265 chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
1266 if (!chain_req)
1267 return -1;
1268 chain = chain_req->chain_buffer;
1269 chain_dma = chain_req->chain_buffer_dma;
1270 } while (1);
1271
1272
1273 fill_in_last_segment:
1274
1275 /* fill the last segment */
1276 while (sges_left) {
1277 if (sges_left == 1)
1278 ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
1279 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1280 else
1281 ioc->base_add_sg_single(sg_local, sgl_flags |
1282 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1283 sg_scmd = sg_next(sg_scmd);
1284 sg_local += ioc->sge_size;
1285 sges_left--;
1286 }
1287
1288 return 0;
1289}
1290
1291/**
1292 * _scsih_change_queue_depth - setting device queue depth
1293 * @sdev: scsi device struct
1294 * @qdepth: requested queue depth
1295 *
1296 * Returns queue depth.
1297 */
1298static int
1299_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1300{
1301 struct Scsi_Host *shost = sdev->host;
1302 int max_depth;
1303 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1304 struct MPT2SAS_DEVICE *sas_device_priv_data;
1305 struct MPT2SAS_TARGET *sas_target_priv_data;
1306 struct _sas_device *sas_device;
1307 unsigned long flags;
1308
1309 max_depth = shost->can_queue;
1310
1311 /* limit max device queue for SATA to 32 */
1312 sas_device_priv_data = sdev->hostdata;
1313 if (!sas_device_priv_data)
1314 goto not_sata;
1315 sas_target_priv_data = sas_device_priv_data->sas_target;
1316 if (!sas_target_priv_data)
1317 goto not_sata;
1318 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1319 goto not_sata;
1320
1321 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1322 sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data);
1323 if (sas_device) {
1324 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1325 max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
1326
1327 sas_device_put(sas_device);
1328 }
1329 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1330
1331 not_sata:
1332 if (!sdev->tagged_supported)
1333 max_depth = 1;
1334 if (qdepth > max_depth)
1335 qdepth = max_depth;
1336 return scsi_change_queue_depth(sdev, qdepth);
1337}
1338
1339/**
1340 * _scsih_target_alloc - target add routine
1341 * @starget: scsi target struct
1342 *
1343 * Returns 0 if ok. Any other return is assumed to be an error and
1344 * the device is ignored.
1345 */
1346static int
1347_scsih_target_alloc(struct scsi_target *starget)
1348{
1349 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1350 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1351 struct MPT2SAS_TARGET *sas_target_priv_data;
1352 struct _sas_device *sas_device;
1353 struct _raid_device *raid_device;
1354 unsigned long flags;
1355 struct sas_rphy *rphy;
1356
1357 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1358 GFP_KERNEL);
1359 if (!sas_target_priv_data)
1360 return -ENOMEM;
1361
1362 starget->hostdata = sas_target_priv_data;
1363 sas_target_priv_data->starget = starget;
1364 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
1365
1366 /* RAID volumes */
1367 if (starget->channel == RAID_CHANNEL) {
1368 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1369 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1370 starget->channel);
1371 if (raid_device) {
1372 sas_target_priv_data->handle = raid_device->handle;
1373 sas_target_priv_data->sas_address = raid_device->wwid;
1374 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1375 if (ioc->is_warpdrive)
1376 sas_target_priv_data->raid_device = raid_device;
1377 raid_device->starget = starget;
1378 }
1379 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1380 return 0;
1381 }
1382
1383 /* sas/sata devices */
1384 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1385 rphy = dev_to_rphy(starget->dev.parent);
1386 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
1387 rphy->identify.sas_address);
1388
1389 if (sas_device) {
1390 sas_target_priv_data->handle = sas_device->handle;
1391 sas_target_priv_data->sas_address = sas_device->sas_address;
1392 sas_target_priv_data->sdev = sas_device;
1393 sas_device->starget = starget;
1394 sas_device->id = starget->id;
1395 sas_device->channel = starget->channel;
1396 if (test_bit(sas_device->handle, ioc->pd_handles))
1397 sas_target_priv_data->flags |=
1398 MPT_TARGET_FLAGS_RAID_COMPONENT;
1399
1400 }
1401 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1402
1403 return 0;
1404}
1405
1406/**
1407 * _scsih_target_destroy - target destroy routine
1408 * @starget: scsi target struct
1409 *
1410 * Returns nothing.
1411 */
1412static void
1413_scsih_target_destroy(struct scsi_target *starget)
1414{
1415 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1416 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1417 struct MPT2SAS_TARGET *sas_target_priv_data;
1418 struct _sas_device *sas_device;
1419 struct _raid_device *raid_device;
1420 unsigned long flags;
1421 struct sas_rphy *rphy;
1422
1423 sas_target_priv_data = starget->hostdata;
1424 if (!sas_target_priv_data)
1425 return;
1426
1427 if (starget->channel == RAID_CHANNEL) {
1428 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1429 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1430 starget->channel);
1431 if (raid_device) {
1432 raid_device->starget = NULL;
1433 raid_device->sdev = NULL;
1434 }
1435 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1436 goto out;
1437 }
1438
1439 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1440 rphy = dev_to_rphy(starget->dev.parent);
1441 sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data);
1442 if (sas_device && (sas_device->starget == starget) &&
1443 (sas_device->id == starget->id) &&
1444 (sas_device->channel == starget->channel))
1445 sas_device->starget = NULL;
1446
1447 if (sas_device) {
1448 /*
1449 * Corresponding get() is in _scsih_target_alloc()
1450 */
1451 sas_target_priv_data->sdev = NULL;
1452 sas_device_put(sas_device);
1453
1454 sas_device_put(sas_device);
1455 }
1456 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1457
1458 out:
1459 kfree(sas_target_priv_data);
1460 starget->hostdata = NULL;
1461}
1462
1463/**
1464 * _scsih_slave_alloc - device add routine
1465 * @sdev: scsi device struct
1466 *
1467 * Returns 0 if ok. Any other return is assumed to be an error and
1468 * the device is ignored.
1469 */
1470static int
1471_scsih_slave_alloc(struct scsi_device *sdev)
1472{
1473 struct Scsi_Host *shost;
1474 struct MPT2SAS_ADAPTER *ioc;
1475 struct MPT2SAS_TARGET *sas_target_priv_data;
1476 struct MPT2SAS_DEVICE *sas_device_priv_data;
1477 struct scsi_target *starget;
1478 struct _raid_device *raid_device;
1479 struct _sas_device *sas_device;
1480 unsigned long flags;
1481
1482 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
1483 GFP_KERNEL);
1484 if (!sas_device_priv_data)
1485 return -ENOMEM;
1486
1487 sas_device_priv_data->lun = sdev->lun;
1488 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1489
1490 starget = scsi_target(sdev);
1491 sas_target_priv_data = starget->hostdata;
1492 sas_target_priv_data->num_luns++;
1493 sas_device_priv_data->sas_target = sas_target_priv_data;
1494 sdev->hostdata = sas_device_priv_data;
1495 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1496 sdev->no_uld_attach = 1;
1497
1498 shost = dev_to_shost(&starget->dev);
1499 ioc = shost_priv(shost);
1500 if (starget->channel == RAID_CHANNEL) {
1501 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1502 raid_device = _scsih_raid_device_find_by_id(ioc,
1503 starget->id, starget->channel);
1504 if (raid_device)
1505 raid_device->sdev = sdev; /* raid is single lun */
1506 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1507 }
1508
1509 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1510 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1511 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
1512 sas_target_priv_data->sas_address);
1513 if (sas_device && (sas_device->starget == NULL)) {
1514 sdev_printk(KERN_INFO, sdev,
1515 "%s : sas_device->starget set to starget @ %d\n",
1516 __func__, __LINE__);
1517 sas_device->starget = starget;
1518 }
1519
1520 if (sas_device)
1521 sas_device_put(sas_device);
1522
1523 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1524 }
1525
1526 return 0;
1527}
1528
1529/**
1530 * _scsih_slave_destroy - device destroy routine
1531 * @sdev: scsi device struct
1532 *
1533 * Returns nothing.
1534 */
1535static void
1536_scsih_slave_destroy(struct scsi_device *sdev)
1537{
1538 struct MPT2SAS_TARGET *sas_target_priv_data;
1539 struct scsi_target *starget;
1540 struct Scsi_Host *shost;
1541 struct MPT2SAS_ADAPTER *ioc;
1542 struct _sas_device *sas_device;
1543 unsigned long flags;
1544
1545 if (!sdev->hostdata)
1546 return;
1547
1548 starget = scsi_target(sdev);
1549 sas_target_priv_data = starget->hostdata;
1550 sas_target_priv_data->num_luns--;
1551
1552 shost = dev_to_shost(&starget->dev);
1553 ioc = shost_priv(shost);
1554
1555 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1556 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1557 sas_device = __mpt2sas_get_sdev_from_target(ioc,
1558 sas_target_priv_data);
1559 if (sas_device && !sas_target_priv_data->num_luns)
1560 sas_device->starget = NULL;
1561
1562 if (sas_device)
1563 sas_device_put(sas_device);
1564 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1565 }
1566
1567 kfree(sdev->hostdata);
1568 sdev->hostdata = NULL;
1569}
1570
1571/**
1572 * _scsih_display_sata_capabilities - sata capabilities
1573 * @ioc: per adapter object
1574 * @handle: device handle
1575 * @sdev: scsi device struct
1576 */
1577static void
1578_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
1579 u16 handle, struct scsi_device *sdev)
1580{
1581 Mpi2ConfigReply_t mpi_reply;
1582 Mpi2SasDevicePage0_t sas_device_pg0;
1583 u32 ioc_status;
1584 u16 flags;
1585 u32 device_info;
1586
1587 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1588 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1589 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1590 ioc->name, __FILE__, __LINE__, __func__);
1591 return;
1592 }
1593
1594 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1595 MPI2_IOCSTATUS_MASK;
1596 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1597 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1598 ioc->name, __FILE__, __LINE__, __func__);
1599 return;
1600 }
1601
1602 flags = le16_to_cpu(sas_device_pg0.Flags);
1603 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1604
1605 sdev_printk(KERN_INFO, sdev,
1606 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1607 "sw_preserve(%s)\n",
1608 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1609 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1610 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1611 "n",
1612 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1613 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1614 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1615}
1616
1617/**
1618 * _scsih_is_raid - return boolean indicating device is raid volume
1619 * @dev the device struct object
1620 */
1621static int
1622_scsih_is_raid(struct device *dev)
1623{
1624 struct scsi_device *sdev = to_scsi_device(dev);
1625 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1626
1627 if (ioc->is_warpdrive)
1628 return 0;
1629 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1630}
1631
1632/**
1633 * _scsih_get_resync - get raid volume resync percent complete
1634 * @dev the device struct object
1635 */
1636static void
1637_scsih_get_resync(struct device *dev)
1638{
1639 struct scsi_device *sdev = to_scsi_device(dev);
1640 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1641 static struct _raid_device *raid_device;
1642 unsigned long flags;
1643 Mpi2RaidVolPage0_t vol_pg0;
1644 Mpi2ConfigReply_t mpi_reply;
1645 u32 volume_status_flags;
1646 u8 percent_complete;
1647 u16 handle;
1648
1649 percent_complete = 0;
1650 handle = 0;
1651 if (ioc->is_warpdrive)
1652 goto out;
1653
1654 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1655 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1656 sdev->channel);
1657 if (raid_device) {
1658 handle = raid_device->handle;
1659 percent_complete = raid_device->percent_complete;
1660 }
1661 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1662
1663 if (!handle)
1664 goto out;
1665
1666 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1667 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1668 sizeof(Mpi2RaidVolPage0_t))) {
1669 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1670 ioc->name, __FILE__, __LINE__, __func__);
1671 percent_complete = 0;
1672 goto out;
1673 }
1674
1675 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1676 if (!(volume_status_flags &
1677 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1678 percent_complete = 0;
1679
1680 out:
1681 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
1682}
1683
1684/**
1685 * _scsih_get_state - get raid volume level
1686 * @dev the device struct object
1687 */
1688static void
1689_scsih_get_state(struct device *dev)
1690{
1691 struct scsi_device *sdev = to_scsi_device(dev);
1692 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1693 static struct _raid_device *raid_device;
1694 unsigned long flags;
1695 Mpi2RaidVolPage0_t vol_pg0;
1696 Mpi2ConfigReply_t mpi_reply;
1697 u32 volstate;
1698 enum raid_state state = RAID_STATE_UNKNOWN;
1699 u16 handle = 0;
1700
1701 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1702 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1703 sdev->channel);
1704 if (raid_device)
1705 handle = raid_device->handle;
1706 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1707
1708 if (!raid_device)
1709 goto out;
1710
1711 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1712 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1713 sizeof(Mpi2RaidVolPage0_t))) {
1714 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1715 ioc->name, __FILE__, __LINE__, __func__);
1716 goto out;
1717 }
1718
1719 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1720 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1721 state = RAID_STATE_RESYNCING;
1722 goto out;
1723 }
1724
1725 switch (vol_pg0.VolumeState) {
1726 case MPI2_RAID_VOL_STATE_OPTIMAL:
1727 case MPI2_RAID_VOL_STATE_ONLINE:
1728 state = RAID_STATE_ACTIVE;
1729 break;
1730 case MPI2_RAID_VOL_STATE_DEGRADED:
1731 state = RAID_STATE_DEGRADED;
1732 break;
1733 case MPI2_RAID_VOL_STATE_FAILED:
1734 case MPI2_RAID_VOL_STATE_MISSING:
1735 state = RAID_STATE_OFFLINE;
1736 break;
1737 }
1738 out:
1739 raid_set_state(mpt2sas_raid_template, dev, state);
1740}
1741
1742/**
1743 * _scsih_set_level - set raid level
1744 * @sdev: scsi device struct
1745 * @volume_type: volume type
1746 */
1747static void
1748_scsih_set_level(struct scsi_device *sdev, u8 volume_type)
1749{
1750 enum raid_level level = RAID_LEVEL_UNKNOWN;
1751
1752 switch (volume_type) {
1753 case MPI2_RAID_VOL_TYPE_RAID0:
1754 level = RAID_LEVEL_0;
1755 break;
1756 case MPI2_RAID_VOL_TYPE_RAID10:
1757 level = RAID_LEVEL_10;
1758 break;
1759 case MPI2_RAID_VOL_TYPE_RAID1E:
1760 level = RAID_LEVEL_1E;
1761 break;
1762 case MPI2_RAID_VOL_TYPE_RAID1:
1763 level = RAID_LEVEL_1;
1764 break;
1765 }
1766
1767 raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level);
1768}
1769
1770/**
1771 * _scsih_get_volume_capabilities - volume capabilities
1772 * @ioc: per adapter object
1773 * @sas_device: the raid_device object
1774 *
1775 * Returns 0 for success, else 1
1776 */
1777static int
1778_scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
1779 struct _raid_device *raid_device)
1780{
1781 Mpi2RaidVolPage0_t *vol_pg0;
1782 Mpi2RaidPhysDiskPage0_t pd_pg0;
1783 Mpi2SasDevicePage0_t sas_device_pg0;
1784 Mpi2ConfigReply_t mpi_reply;
1785 u16 sz;
1786 u8 num_pds;
1787
1788 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1789 &num_pds)) || !num_pds) {
1790 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
1791 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1792 __func__));
1793 return 1;
1794 }
1795
1796 raid_device->num_pds = num_pds;
1797 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1798 sizeof(Mpi2RaidVol0PhysDisk_t));
1799 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1800 if (!vol_pg0) {
1801 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
1802 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1803 __func__));
1804 return 1;
1805 }
1806
1807 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1808 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1809 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
1810 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1811 __func__));
1812 kfree(vol_pg0);
1813 return 1;
1814 }
1815
1816 raid_device->volume_type = vol_pg0->VolumeType;
1817
1818 /* figure out what the underlying devices are by
1819 * obtaining the device_info bits for the 1st device
1820 */
1821 if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1822 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1823 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1824 if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1825 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1826 le16_to_cpu(pd_pg0.DevHandle)))) {
1827 raid_device->device_info =
1828 le32_to_cpu(sas_device_pg0.DeviceInfo);
1829 }
1830 }
1831
1832 kfree(vol_pg0);
1833 return 0;
1834}
1835/**
1836 * _scsih_disable_ddio - Disable direct I/O for all the volumes
1837 * @ioc: per adapter object
1838 */
1839static void
1840_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc)
1841{
1842 Mpi2RaidVolPage1_t vol_pg1;
1843 Mpi2ConfigReply_t mpi_reply;
1844 struct _raid_device *raid_device;
1845 u16 handle;
1846 u16 ioc_status;
1847 unsigned long flags;
1848
1849 handle = 0xFFFF;
1850 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
1851 &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
1852 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1853 MPI2_IOCSTATUS_MASK;
1854 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
1855 break;
1856 handle = le16_to_cpu(vol_pg1.DevHandle);
1857 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1858 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
1859 if (raid_device)
1860 raid_device->direct_io_enabled = 0;
1861 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1862 }
1863 return;
1864}
1865
1866
1867/**
1868 * _scsih_get_num_volumes - Get number of volumes in the ioc
1869 * @ioc: per adapter object
1870 */
1871static u8
1872_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc)
1873{
1874 Mpi2RaidVolPage1_t vol_pg1;
1875 Mpi2ConfigReply_t mpi_reply;
1876 u16 handle;
1877 u8 vol_cnt = 0;
1878 u16 ioc_status;
1879
1880 handle = 0xFFFF;
1881 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
1882 &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
1883 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1884 MPI2_IOCSTATUS_MASK;
1885 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
1886 break;
1887 vol_cnt++;
1888 handle = le16_to_cpu(vol_pg1.DevHandle);
1889 }
1890 return vol_cnt;
1891}
1892
1893
1894/**
1895 * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
1896 * @ioc: per adapter object
1897 * @raid_device: the raid_device object
1898 */
1899static void
1900_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc,
1901 struct _raid_device *raid_device)
1902{
1903 Mpi2RaidVolPage0_t *vol_pg0;
1904 Mpi2RaidPhysDiskPage0_t pd_pg0;
1905 Mpi2ConfigReply_t mpi_reply;
1906 u16 sz;
1907 u8 num_pds, count;
1908 unsigned long stripe_sz, block_sz;
1909 u8 stripe_exp, block_exp;
1910 u64 dev_max_lba;
1911
1912 if (!ioc->is_warpdrive)
1913 return;
1914
1915 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) {
1916 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1917 "globally as drives are exposed\n", ioc->name);
1918 return;
1919 }
1920 if (_scsih_get_num_volumes(ioc) > 1) {
1921 _scsih_disable_ddio(ioc);
1922 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1923 "globally as number of drives > 1\n", ioc->name);
1924 return;
1925 }
1926 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1927 &num_pds)) || !num_pds) {
1928 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1929 "Failure in computing number of drives\n", ioc->name);
1930 return;
1931 }
1932
1933 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1934 sizeof(Mpi2RaidVol0PhysDisk_t));
1935 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1936 if (!vol_pg0) {
1937 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1938 "Memory allocation failure for RVPG0\n", ioc->name);
1939 return;
1940 }
1941
1942 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1943 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1944 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1945 "Failure in retrieving RVPG0\n", ioc->name);
1946 kfree(vol_pg0);
1947 return;
1948 }
1949
1950 /*
1951 * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
1952 * assumed for WARPDRIVE, disable direct I/O
1953 */
1954 if (num_pds > MPT_MAX_WARPDRIVE_PDS) {
1955 printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled "
1956 "for the drive with handle(0x%04x): num_mem=%d, "
1957 "max_mem_allowed=%d\n", ioc->name, raid_device->handle,
1958 num_pds, MPT_MAX_WARPDRIVE_PDS);
1959 kfree(vol_pg0);
1960 return;
1961 }
1962 for (count = 0; count < num_pds; count++) {
1963 if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1964 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1965 vol_pg0->PhysDisk[count].PhysDiskNum) ||
1966 le16_to_cpu(pd_pg0.DevHandle) ==
1967 MPT2SAS_INVALID_DEVICE_HANDLE) {
1968 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
1969 "disabled for the drive with handle(0x%04x) member"
1970 "handle retrieval failed for member number=%d\n",
1971 ioc->name, raid_device->handle,
1972 vol_pg0->PhysDisk[count].PhysDiskNum);
1973 goto out_error;
1974 }
1975 /* Disable direct I/O if member drive lba exceeds 4 bytes */
1976 dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA);
1977 if (dev_max_lba >> 32) {
1978 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
1979 "disabled for the drive with handle(0x%04x) member"
1980 "handle (0x%04x) unsupported max lba 0x%016llx\n",
1981 ioc->name, raid_device->handle,
1982 le16_to_cpu(pd_pg0.DevHandle),
1983 (unsigned long long)dev_max_lba);
1984 goto out_error;
1985 }
1986
1987 raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle);
1988 }
1989
1990 /*
1991 * Assumption for WD: Direct I/O is not supported if the volume is
1992 * not RAID0
1993 */
1994 if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) {
1995 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1996 "for the drive with handle(0x%04x): type=%d, "
1997 "s_sz=%uK, blk_size=%u\n", ioc->name,
1998 raid_device->handle, raid_device->volume_type,
1999 (le32_to_cpu(vol_pg0->StripeSize) *
2000 le16_to_cpu(vol_pg0->BlockSize)) / 1024,
2001 le16_to_cpu(vol_pg0->BlockSize));
2002 goto out_error;
2003 }
2004
2005 stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
2006 stripe_exp = find_first_bit(&stripe_sz, 32);
2007 if (stripe_exp == 32) {
2008 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
2009 "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
2010 ioc->name, raid_device->handle,
2011 (le32_to_cpu(vol_pg0->StripeSize) *
2012 le16_to_cpu(vol_pg0->BlockSize)) / 1024);
2013 goto out_error;
2014 }
2015 raid_device->stripe_exponent = stripe_exp;
2016 block_sz = le16_to_cpu(vol_pg0->BlockSize);
2017 block_exp = find_first_bit(&block_sz, 16);
2018 if (block_exp == 16) {
2019 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
2020 "for the drive with handle(0x%04x) invalid block sz %u\n",
2021 ioc->name, raid_device->handle,
2022 le16_to_cpu(vol_pg0->BlockSize));
2023 goto out_error;
2024 }
2025 raid_device->block_exponent = block_exp;
2026 raid_device->direct_io_enabled = 1;
2027
2028 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive"
2029 " with handle(0x%04x)\n", ioc->name, raid_device->handle);
2030 /*
2031 * WARPDRIVE: Though the following fields are not used for direct IO,
2032 * stored for future purpose:
2033 */
2034 raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA);
2035 raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
2036 raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize);
2037
2038
2039 kfree(vol_pg0);
2040 return;
2041
2042out_error:
2043 raid_device->direct_io_enabled = 0;
2044 for (count = 0; count < num_pds; count++)
2045 raid_device->pd_handle[count] = 0;
2046 kfree(vol_pg0);
2047 return;
2048}
2049
2050/**
2051 * _scsih_enable_tlr - setting TLR flags
2052 * @ioc: per adapter object
2053 * @sdev: scsi device struct
2054 *
2055 * Enabling Transaction Layer Retries for tape devices when
2056 * vpd page 0x90 is present
2057 *
2058 */
2059static void
2060_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev)
2061{
2062 /* only for TAPE */
2063 if (sdev->type != TYPE_TAPE)
2064 return;
2065
2066 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
2067 return;
2068
2069 sas_enable_tlr(sdev);
2070 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
2071 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
2072 return;
2073
2074}
2075
2076/**
2077 * _scsih_slave_configure - device configure routine.
2078 * @sdev: scsi device struct
2079 *
2080 * Returns 0 if ok. Any other return is assumed to be an error and
2081 * the device is ignored.
2082 */
2083static int
2084_scsih_slave_configure(struct scsi_device *sdev)
2085{
2086 struct Scsi_Host *shost = sdev->host;
2087 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2088 struct MPT2SAS_DEVICE *sas_device_priv_data;
2089 struct MPT2SAS_TARGET *sas_target_priv_data;
2090 struct _sas_device *sas_device;
2091 struct _raid_device *raid_device;
2092 unsigned long flags;
2093 int qdepth;
2094 u8 ssp_target = 0;
2095 char *ds = "";
2096 char *r_level = "";
2097 u16 handle, volume_handle = 0;
2098 u64 volume_wwid = 0;
2099
2100 qdepth = 1;
2101 sas_device_priv_data = sdev->hostdata;
2102 sas_device_priv_data->configured_lun = 1;
2103 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
2104 sas_target_priv_data = sas_device_priv_data->sas_target;
2105 handle = sas_target_priv_data->handle;
2106
2107 /* raid volume handling */
2108 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
2109
2110 spin_lock_irqsave(&ioc->raid_device_lock, flags);
2111 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
2112 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
2113 if (!raid_device) {
2114 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2115 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
2116 __LINE__, __func__));
2117 return 1;
2118 }
2119
2120 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
2121 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2122 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
2123 __LINE__, __func__));
2124 return 1;
2125 }
2126 /*
2127 * WARPDRIVE: Initialize the required data for Direct IO
2128 */
2129 _scsih_init_warpdrive_properties(ioc, raid_device);
2130
2131 /* RAID Queue Depth Support
2132 * IS volume = underlying qdepth of drive type, either
2133 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
2134 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
2135 */
2136 if (raid_device->device_info &
2137 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
2138 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
2139 ds = "SSP";
2140 } else {
2141 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
2142 if (raid_device->device_info &
2143 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2144 ds = "SATA";
2145 else
2146 ds = "STP";
2147 }
2148
2149 switch (raid_device->volume_type) {
2150 case MPI2_RAID_VOL_TYPE_RAID0:
2151 r_level = "RAID0";
2152 break;
2153 case MPI2_RAID_VOL_TYPE_RAID1E:
2154 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2155 if (ioc->manu_pg10.OEMIdentifier &&
2156 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
2157 MFG10_GF0_R10_DISPLAY) &&
2158 !(raid_device->num_pds % 2))
2159 r_level = "RAID10";
2160 else
2161 r_level = "RAID1E";
2162 break;
2163 case MPI2_RAID_VOL_TYPE_RAID1:
2164 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2165 r_level = "RAID1";
2166 break;
2167 case MPI2_RAID_VOL_TYPE_RAID10:
2168 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2169 r_level = "RAID10";
2170 break;
2171 case MPI2_RAID_VOL_TYPE_UNKNOWN:
2172 default:
2173 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2174 r_level = "RAIDX";
2175 break;
2176 }
2177
2178 if (!ioc->hide_ir_msg)
2179 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
2180 "wwid(0x%016llx), pd_count(%d), type(%s)\n",
2181 r_level, raid_device->handle,
2182 (unsigned long long)raid_device->wwid,
2183 raid_device->num_pds, ds);
2184 _scsih_change_queue_depth(sdev, qdepth);
2185 /* raid transport support */
2186 if (!ioc->is_warpdrive)
2187 _scsih_set_level(sdev, raid_device->volume_type);
2188 return 0;
2189 }
2190
2191 /* non-raid handling */
2192 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
2193 if (mpt2sas_config_get_volume_handle(ioc, handle,
2194 &volume_handle)) {
2195 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2196 "failure at %s:%d/%s()!\n", ioc->name,
2197 __FILE__, __LINE__, __func__));
2198 return 1;
2199 }
2200 if (volume_handle && mpt2sas_config_get_volume_wwid(ioc,
2201 volume_handle, &volume_wwid)) {
2202 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2203 "failure at %s:%d/%s()!\n", ioc->name,
2204 __FILE__, __LINE__, __func__));
2205 return 1;
2206 }
2207 }
2208
2209 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2210 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
2211 sas_device_priv_data->sas_target->sas_address);
2212 if (!sas_device) {
2213 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2214 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2215 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
2216 __LINE__, __func__));
2217 return 1;
2218 }
2219 sas_device->volume_handle = volume_handle;
2220 sas_device->volume_wwid = volume_wwid;
2221 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
2222 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
2223 ssp_target = 1;
2224 ds = "SSP";
2225 } else {
2226 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
2227 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
2228 ds = "STP";
2229 else if (sas_device->device_info &
2230 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2231 ds = "SATA";
2232 }
2233 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
2234 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2235 ds, sas_device->handle,
2236 (unsigned long long)sas_device->sas_address,
2237 sas_device->phy,
2238 (unsigned long long)sas_device->device_name);
2239 sdev_printk(KERN_INFO, sdev, "%s: "
2240 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
2241 (unsigned long long) sas_device->enclosure_logical_id,
2242 sas_device->slot);
2243
2244 sas_device_put(sas_device);
2245 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2246 if (!ssp_target)
2247 _scsih_display_sata_capabilities(ioc, handle, sdev);
2248
2249 _scsih_change_queue_depth(sdev, qdepth);
2250
2251 if (ssp_target) {
2252 sas_read_port_mode_page(sdev);
2253 _scsih_enable_tlr(ioc, sdev);
2254 }
2255
2256 return 0;
2257}
2258
2259/**
2260 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
2261 * @sdev: scsi device struct
2262 * @bdev: pointer to block device context
2263 * @capacity: device size (in 512 byte sectors)
2264 * @params: three element array to place output:
2265 * params[0] number of heads (max 255)
2266 * params[1] number of sectors (max 63)
2267 * params[2] number of cylinders
2268 *
2269 * Return nothing.
2270 */
2271static int
2272_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
2273 sector_t capacity, int params[])
2274{
2275 int heads;
2276 int sectors;
2277 sector_t cylinders;
2278 ulong dummy;
2279
2280 heads = 64;
2281 sectors = 32;
2282
2283 dummy = heads * sectors;
2284 cylinders = capacity;
2285 sector_div(cylinders, dummy);
2286
2287 /*
2288 * Handle extended translation size for logical drives
2289 * > 1Gb
2290 */
2291 if ((ulong)capacity >= 0x200000) {
2292 heads = 255;
2293 sectors = 63;
2294 dummy = heads * sectors;
2295 cylinders = capacity;
2296 sector_div(cylinders, dummy);
2297 }
2298
2299 /* return result */
2300 params[0] = heads;
2301 params[1] = sectors;
2302 params[2] = cylinders;
2303
2304 return 0;
2305}
2306
2307/**
2308 * _scsih_response_code - translation of device response code
2309 * @ioc: per adapter object
2310 * @response_code: response code returned by the device
2311 *
2312 * Return nothing.
2313 */
2314static void
2315_scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
2316{
2317 char *desc;
2318
2319 switch (response_code) {
2320 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2321 desc = "task management request completed";
2322 break;
2323 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2324 desc = "invalid frame";
2325 break;
2326 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2327 desc = "task management request not supported";
2328 break;
2329 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2330 desc = "task management request failed";
2331 break;
2332 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2333 desc = "task management request succeeded";
2334 break;
2335 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2336 desc = "invalid lun";
2337 break;
2338 case 0xA:
2339 desc = "overlapped tag attempted";
2340 break;
2341 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2342 desc = "task queued, however not sent to target";
2343 break;
2344 default:
2345 desc = "unknown";
2346 break;
2347 }
2348 printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
2349 ioc->name, response_code, desc);
2350}
2351
2352/**
2353 * _scsih_tm_done - tm completion routine
2354 * @ioc: per adapter object
2355 * @smid: system request message index
2356 * @msix_index: MSIX table index supplied by the OS
2357 * @reply: reply message frame(lower 32bit addr)
2358 * Context: none.
2359 *
2360 * The callback handler when using scsih_issue_tm.
2361 *
2362 * Return 1 meaning mf should be freed from _base_interrupt
2363 * 0 means the mf is freed from this function.
2364 */
2365static u8
2366_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2367{
2368 MPI2DefaultReply_t *mpi_reply;
2369
2370 if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
2371 return 1;
2372 if (ioc->tm_cmds.smid != smid)
2373 return 1;
2374 mpt2sas_base_flush_reply_queues(ioc);
2375 ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
2376 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
2377 if (mpi_reply) {
2378 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2379 ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
2380 }
2381 ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
2382 complete(&ioc->tm_cmds.done);
2383 return 1;
2384}
2385
2386/**
2387 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
2388 * @ioc: per adapter object
2389 * @handle: device handle
2390 *
2391 * During taskmangement request, we need to freeze the device queue.
2392 */
2393void
2394mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2395{
2396 struct MPT2SAS_DEVICE *sas_device_priv_data;
2397 struct scsi_device *sdev;
2398 u8 skip = 0;
2399
2400 shost_for_each_device(sdev, ioc->shost) {
2401 if (skip)
2402 continue;
2403 sas_device_priv_data = sdev->hostdata;
2404 if (!sas_device_priv_data)
2405 continue;
2406 if (sas_device_priv_data->sas_target->handle == handle) {
2407 sas_device_priv_data->sas_target->tm_busy = 1;
2408 skip = 1;
2409 ioc->ignore_loginfos = 1;
2410 }
2411 }
2412}
2413
2414/**
2415 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
2416 * @ioc: per adapter object
2417 * @handle: device handle
2418 *
2419 * During taskmangement request, we need to freeze the device queue.
2420 */
2421void
2422mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2423{
2424 struct MPT2SAS_DEVICE *sas_device_priv_data;
2425 struct scsi_device *sdev;
2426 u8 skip = 0;
2427
2428 shost_for_each_device(sdev, ioc->shost) {
2429 if (skip)
2430 continue;
2431 sas_device_priv_data = sdev->hostdata;
2432 if (!sas_device_priv_data)
2433 continue;
2434 if (sas_device_priv_data->sas_target->handle == handle) {
2435 sas_device_priv_data->sas_target->tm_busy = 0;
2436 skip = 1;
2437 ioc->ignore_loginfos = 0;
2438 }
2439 }
2440}
2441
2442
2443/**
2444 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
2445 * @ioc: per adapter struct
2446 * @device_handle: device handle
2447 * @channel: the channel assigned by the OS
2448 * @id: the id assigned by the OS
2449 * @lun: lun number
2450 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2451 * @smid_task: smid assigned to the task
2452 * @timeout: timeout in seconds
2453 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2454 * Context: user
2455 *
2456 * A generic API for sending task management requests to firmware.
2457 *
2458 * The callback index is set inside `ioc->tm_cb_idx`.
2459 *
2460 * Return SUCCESS or FAILED.
2461 */
2462int
2463mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
2464 uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
2465 enum mutex_type m_type)
2466{
2467 Mpi2SCSITaskManagementRequest_t *mpi_request;
2468 Mpi2SCSITaskManagementReply_t *mpi_reply;
2469 u16 smid = 0;
2470 u32 ioc_state;
2471 unsigned long timeleft;
2472 struct scsiio_tracker *scsi_lookup = NULL;
2473 int rc;
2474
2475 if (m_type == TM_MUTEX_ON)
2476 mutex_lock(&ioc->tm_cmds.mutex);
2477 if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
2478 printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
2479 __func__, ioc->name);
2480 rc = FAILED;
2481 goto err_out;
2482 }
2483
2484 if (ioc->shost_recovery || ioc->remove_host ||
2485 ioc->pci_error_recovery) {
2486 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
2487 __func__, ioc->name);
2488 rc = FAILED;
2489 goto err_out;
2490 }
2491
2492 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
2493 if (ioc_state & MPI2_DOORBELL_USED) {
2494 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
2495 "active!\n", ioc->name));
2496 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2497 FORCE_BIG_HAMMER);
2498 rc = (!rc) ? SUCCESS : FAILED;
2499 goto err_out;
2500 }
2501
2502 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2503 mpt2sas_base_fault_info(ioc, ioc_state &
2504 MPI2_DOORBELL_DATA_MASK);
2505 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2506 FORCE_BIG_HAMMER);
2507 rc = (!rc) ? SUCCESS : FAILED;
2508 goto err_out;
2509 }
2510
2511 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2512 if (!smid) {
2513 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2514 ioc->name, __func__);
2515 rc = FAILED;
2516 goto err_out;
2517 }
2518
2519 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2520 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2521
2522 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
2523 " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
2524 smid_task));
2525 ioc->tm_cmds.status = MPT2_CMD_PENDING;
2526 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2527 ioc->tm_cmds.smid = smid;
2528 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2529 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2530 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2531 mpi_request->DevHandle = cpu_to_le16(handle);
2532 mpi_request->TaskType = type;
2533 mpi_request->TaskMID = cpu_to_le16(smid_task);
2534 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2535 mpt2sas_scsih_set_tm_flag(ioc, handle);
2536 init_completion(&ioc->tm_cmds.done);
2537 mpt2sas_base_put_smid_hi_priority(ioc, smid);
2538 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2539 if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
2540 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
2541 ioc->name, __func__);
2542 _debug_dump_mf(mpi_request,
2543 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2544 if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
2545 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2546 FORCE_BIG_HAMMER);
2547 rc = (!rc) ? SUCCESS : FAILED;
2548 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2549 mpt2sas_scsih_clear_tm_flag(ioc, handle);
2550 goto err_out;
2551 }
2552 }
2553
2554 if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
2555 mpi_reply = ioc->tm_cmds.reply;
2556 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
2557 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2558 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2559 le32_to_cpu(mpi_reply->IOCLogInfo),
2560 le32_to_cpu(mpi_reply->TerminationCount)));
2561 if (ioc->logging_level & MPT_DEBUG_TM) {
2562 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2563 if (mpi_reply->IOCStatus)
2564 _debug_dump_mf(mpi_request,
2565 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2566 }
2567 }
2568
2569 switch (type) {
2570 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2571 rc = SUCCESS;
2572 if (scsi_lookup->scmd == NULL)
2573 break;
2574 rc = FAILED;
2575 break;
2576
2577 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2578 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2579 rc = FAILED;
2580 else
2581 rc = SUCCESS;
2582 break;
2583
2584 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2585 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2586 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2587 rc = FAILED;
2588 else
2589 rc = SUCCESS;
2590 break;
2591 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2592 rc = SUCCESS;
2593 break;
2594 default:
2595 rc = FAILED;
2596 break;
2597 }
2598
2599 mpt2sas_scsih_clear_tm_flag(ioc, handle);
2600 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2601 if (m_type == TM_MUTEX_ON)
2602 mutex_unlock(&ioc->tm_cmds.mutex);
2603
2604 return rc;
2605
2606 err_out:
2607 if (m_type == TM_MUTEX_ON)
2608 mutex_unlock(&ioc->tm_cmds.mutex);
2609 return rc;
2610}
2611
2612/**
2613 * _scsih_tm_display_info - displays info about the device
2614 * @ioc: per adapter struct
2615 * @scmd: pointer to scsi command object
2616 *
2617 * Called by task management callback handlers.
2618 */
2619static void
2620_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2621{
2622 struct scsi_target *starget = scmd->device->sdev_target;
2623 struct MPT2SAS_TARGET *priv_target = starget->hostdata;
2624 struct _sas_device *sas_device = NULL;
2625 unsigned long flags;
2626 char *device_str = NULL;
2627
2628 if (!priv_target)
2629 return;
2630 if (ioc->hide_ir_msg)
2631 device_str = "WarpDrive";
2632 else
2633 device_str = "volume";
2634
2635 scsi_print_command(scmd);
2636 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2637 starget_printk(KERN_INFO, starget, "%s handle(0x%04x), "
2638 "%s wwid(0x%016llx)\n", device_str, priv_target->handle,
2639 device_str, (unsigned long long)priv_target->sas_address);
2640 } else {
2641 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2642 sas_device = __mpt2sas_get_sdev_from_target(ioc, priv_target);
2643 if (sas_device) {
2644 if (priv_target->flags &
2645 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2646 starget_printk(KERN_INFO, starget,
2647 "volume handle(0x%04x), "
2648 "volume wwid(0x%016llx)\n",
2649 sas_device->volume_handle,
2650 (unsigned long long)sas_device->volume_wwid);
2651 }
2652 starget_printk(KERN_INFO, starget,
2653 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2654 sas_device->handle,
2655 (unsigned long long)sas_device->sas_address,
2656 sas_device->phy);
2657 starget_printk(KERN_INFO, starget,
2658 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2659 (unsigned long long)sas_device->enclosure_logical_id,
2660 sas_device->slot);
2661
2662 sas_device_put(sas_device);
2663 }
2664 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2665 }
2666}
2667
2668/**
2669 * _scsih_abort - eh threads main abort routine
2670 * @scmd: pointer to scsi command object
2671 *
2672 * Returns SUCCESS if command aborted else FAILED
2673 */
2674static int
2675_scsih_abort(struct scsi_cmnd *scmd)
2676{
2677 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2678 struct MPT2SAS_DEVICE *sas_device_priv_data;
2679 u16 smid;
2680 u16 handle;
2681 int r;
2682
2683 sdev_printk(KERN_INFO, scmd->device, "attempting task abort! "
2684 "scmd(%p)\n", scmd);
2685 _scsih_tm_display_info(ioc, scmd);
2686
2687 sas_device_priv_data = scmd->device->hostdata;
2688 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2689 sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
2690 "scmd(%p)\n", scmd);
2691 scmd->result = DID_NO_CONNECT << 16;
2692 scmd->scsi_done(scmd);
2693 r = SUCCESS;
2694 goto out;
2695 }
2696
2697 /* search for the command */
2698 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2699 if (!smid) {
2700 scmd->result = DID_RESET << 16;
2701 r = SUCCESS;
2702 goto out;
2703 }
2704
2705 /* for hidden raid components and volumes this is not supported */
2706 if (sas_device_priv_data->sas_target->flags &
2707 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2708 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2709 scmd->result = DID_RESET << 16;
2710 r = FAILED;
2711 goto out;
2712 }
2713
2714 mpt2sas_halt_firmware(ioc);
2715
2716 handle = sas_device_priv_data->sas_target->handle;
2717 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2718 scmd->device->id, scmd->device->lun,
2719 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
2720
2721 out:
2722 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2723 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2724 return r;
2725}
2726
2727/**
2728 * _scsih_dev_reset - eh threads main device reset routine
2729 * @scmd: pointer to scsi command object
2730 *
2731 * Returns SUCCESS if command aborted else FAILED
2732 */
2733static int
2734_scsih_dev_reset(struct scsi_cmnd *scmd)
2735{
2736 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2737 struct MPT2SAS_DEVICE *sas_device_priv_data;
2738 struct _sas_device *sas_device = NULL;
2739 u16 handle;
2740 int r;
2741
2742 struct scsi_target *starget = scmd->device->sdev_target;
2743 struct MPT2SAS_TARGET *target_priv_data = starget->hostdata;
2744
2745 starget_printk(KERN_INFO, starget, "attempting device reset! "
2746 "scmd(%p)\n", scmd);
2747 _scsih_tm_display_info(ioc, scmd);
2748
2749 sas_device_priv_data = scmd->device->hostdata;
2750 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2751 starget_printk(KERN_INFO, starget, "device been deleted! "
2752 "scmd(%p)\n", scmd);
2753 scmd->result = DID_NO_CONNECT << 16;
2754 scmd->scsi_done(scmd);
2755 r = SUCCESS;
2756 goto out;
2757 }
2758
2759 /* for hidden raid components obtain the volume_handle */
2760 handle = 0;
2761 if (sas_device_priv_data->sas_target->flags &
2762 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2763 sas_device = mpt2sas_get_sdev_from_target(ioc,
2764 target_priv_data);
2765 if (sas_device)
2766 handle = sas_device->volume_handle;
2767 } else
2768 handle = sas_device_priv_data->sas_target->handle;
2769
2770 if (!handle) {
2771 scmd->result = DID_RESET << 16;
2772 r = FAILED;
2773 goto out;
2774 }
2775
2776 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2777 scmd->device->id, scmd->device->lun,
2778 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
2779
2780 out:
2781 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2782 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2783
2784 if (sas_device)
2785 sas_device_put(sas_device);
2786
2787 return r;
2788}
2789
2790/**
2791 * _scsih_target_reset - eh threads main target reset routine
2792 * @scmd: pointer to scsi command object
2793 *
2794 * Returns SUCCESS if command aborted else FAILED
2795 */
2796static int
2797_scsih_target_reset(struct scsi_cmnd *scmd)
2798{
2799 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2800 struct MPT2SAS_DEVICE *sas_device_priv_data;
2801 struct _sas_device *sas_device = NULL;
2802 u16 handle;
2803 int r;
2804 struct scsi_target *starget = scmd->device->sdev_target;
2805 struct MPT2SAS_TARGET *target_priv_data = starget->hostdata;
2806
2807 starget_printk(KERN_INFO, starget, "attempting target reset! "
2808 "scmd(%p)\n", scmd);
2809 _scsih_tm_display_info(ioc, scmd);
2810
2811 sas_device_priv_data = scmd->device->hostdata;
2812 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2813 starget_printk(KERN_INFO, starget, "target been deleted! "
2814 "scmd(%p)\n", scmd);
2815 scmd->result = DID_NO_CONNECT << 16;
2816 scmd->scsi_done(scmd);
2817 r = SUCCESS;
2818 goto out;
2819 }
2820
2821 /* for hidden raid components obtain the volume_handle */
2822 handle = 0;
2823 if (sas_device_priv_data->sas_target->flags &
2824 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2825 sas_device = mpt2sas_get_sdev_from_target(ioc,
2826 target_priv_data);
2827 if (sas_device)
2828 handle = sas_device->volume_handle;
2829 } else
2830 handle = sas_device_priv_data->sas_target->handle;
2831
2832 if (!handle) {
2833 scmd->result = DID_RESET << 16;
2834 r = FAILED;
2835 goto out;
2836 }
2837
2838 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2839 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
2840 30, TM_MUTEX_ON);
2841
2842 out:
2843 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2844 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2845
2846 if (sas_device)
2847 sas_device_put(sas_device);
2848
2849 return r;
2850}
2851
2852/**
2853 * _scsih_host_reset - eh threads main host reset routine
2854 * @scmd: pointer to scsi command object
2855 *
2856 * Returns SUCCESS if command aborted else FAILED
2857 */
2858static int
2859_scsih_host_reset(struct scsi_cmnd *scmd)
2860{
2861 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2862 int r, retval;
2863
2864 printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
2865 ioc->name, scmd);
2866 scsi_print_command(scmd);
2867
2868 if (ioc->is_driver_loading) {
2869 printk(MPT2SAS_INFO_FMT "Blocking the host reset\n",
2870 ioc->name);
2871 r = FAILED;
2872 goto out;
2873 }
2874
2875 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2876 FORCE_BIG_HAMMER);
2877 r = (retval < 0) ? FAILED : SUCCESS;
2878
2879 out:
2880 printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
2881 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2882
2883 return r;
2884}
2885
2886/**
2887 * _scsih_fw_event_add - insert and queue up fw_event
2888 * @ioc: per adapter object
2889 * @fw_event: object describing the event
2890 * Context: This function will acquire ioc->fw_event_lock.
2891 *
2892 * This adds the firmware event object into link list, then queues it up to
2893 * be processed from user context.
2894 *
2895 * Return nothing.
2896 */
2897static void
2898_scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2899{
2900 unsigned long flags;
2901
2902 if (ioc->firmware_event_thread == NULL)
2903 return;
2904
2905 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2906 fw_event_work_get(fw_event);
2907 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2908 INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
2909 fw_event_work_get(fw_event);
2910 queue_delayed_work(ioc->firmware_event_thread,
2911 &fw_event->delayed_work, 0);
2912 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2913}
2914
2915/**
2916 * _scsih_fw_event_del_from_list - delete fw_event from the list
2917 * @ioc: per adapter object
2918 * @fw_event: object describing the event
2919 * Context: This function will acquire ioc->fw_event_lock.
2920 *
2921 * If the fw_event is on the fw_event_list, remove it and do a put.
2922 *
2923 * Return nothing.
2924 */
2925static void
2926_scsih_fw_event_del_from_list(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2927 *fw_event)
2928{
2929 unsigned long flags;
2930
2931 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2932 if (!list_empty(&fw_event->list)) {
2933 list_del_init(&fw_event->list);
2934 fw_event_work_put(fw_event);
2935 }
2936 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2937}
2938
2939/**
2940 * _scsih_error_recovery_delete_devices - remove devices not responding
2941 * @ioc: per adapter object
2942 *
2943 * Return nothing.
2944 */
2945static void
2946_scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc)
2947{
2948 struct fw_event_work *fw_event;
2949
2950 if (ioc->is_driver_loading)
2951 return;
2952
2953 fw_event = alloc_fw_event_work(0);
2954 if (!fw_event)
2955 return;
2956
2957 fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
2958 fw_event->ioc = ioc;
2959 _scsih_fw_event_add(ioc, fw_event);
2960 fw_event_work_put(fw_event);
2961}
2962
2963/**
2964 * mpt2sas_port_enable_complete - port enable completed (fake event)
2965 * @ioc: per adapter object
2966 *
2967 * Return nothing.
2968 */
2969void
2970mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc)
2971{
2972 struct fw_event_work *fw_event;
2973
2974 fw_event = alloc_fw_event_work(0);
2975 if (!fw_event)
2976 return;
2977 fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE;
2978 fw_event->ioc = ioc;
2979 _scsih_fw_event_add(ioc, fw_event);
2980 fw_event_work_put(fw_event);
2981}
2982
2983static struct fw_event_work *dequeue_next_fw_event(struct MPT2SAS_ADAPTER *ioc)
2984{
2985 unsigned long flags;
2986 struct fw_event_work *fw_event = NULL;
2987
2988 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2989 if (!list_empty(&ioc->fw_event_list)) {
2990 fw_event = list_first_entry(&ioc->fw_event_list,
2991 struct fw_event_work, list);
2992 list_del_init(&fw_event->list);
2993 }
2994 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2995
2996 return fw_event;
2997}
2998
2999/**
3000 * _scsih_fw_event_cleanup_queue - cleanup event queue
3001 * @ioc: per adapter object
3002 *
3003 * Walk the firmware event queue, either killing timers, or waiting
3004 * for outstanding events to complete
3005 *
3006 * Return nothing.
3007 */
3008static void
3009_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
3010{
3011 struct fw_event_work *fw_event;
3012
3013 if (list_empty(&ioc->fw_event_list) ||
3014 !ioc->firmware_event_thread || in_interrupt())
3015 return;
3016
3017 while ((fw_event = dequeue_next_fw_event(ioc))) {
3018 /*
3019 * Wait on the fw_event to complete. If this returns 1, then
3020 * the event was never executed, and we need a put for the
3021 * reference the delayed_work had on the fw_event.
3022 *
3023 * If it did execute, we wait for it to finish, and the put will
3024 * happen from _firmware_event_work()
3025 */
3026 if (cancel_delayed_work_sync(&fw_event->delayed_work))
3027 fw_event_work_put(fw_event);
3028
3029 fw_event_work_put(fw_event);
3030 }
3031}
3032
3033/**
3034 * _scsih_ublock_io_all_device - unblock every device
3035 * @ioc: per adapter object
3036 *
3037 * change the device state from block to running
3038 */
3039static void
3040_scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc)
3041{
3042 struct MPT2SAS_DEVICE *sas_device_priv_data;
3043 struct scsi_device *sdev;
3044
3045 shost_for_each_device(sdev, ioc->shost) {
3046 sas_device_priv_data = sdev->hostdata;
3047 if (!sas_device_priv_data)
3048 continue;
3049 if (!sas_device_priv_data->block)
3050 continue;
3051 sas_device_priv_data->block = 0;
3052 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, "
3053 "handle(0x%04x)\n",
3054 sas_device_priv_data->sas_target->handle));
3055 scsi_internal_device_unblock(sdev, SDEV_RUNNING);
3056 }
3057}
3058/**
3059 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
3060 * @ioc: per adapter object
3061 * @handle: device handle
3062 *
3063 * During device pull we need to appropiately set the sdev state.
3064 */
3065static void
3066_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
3067{
3068 struct MPT2SAS_DEVICE *sas_device_priv_data;
3069 struct scsi_device *sdev;
3070
3071 shost_for_each_device(sdev, ioc->shost) {
3072 sas_device_priv_data = sdev->hostdata;
3073 if (!sas_device_priv_data)
3074 continue;
3075 if (!sas_device_priv_data->block)
3076 continue;
3077 if (sas_device_priv_data->sas_target->sas_address ==
3078 sas_address) {
3079 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
3080 MPT2SAS_INFO_FMT "SDEV_RUNNING: "
3081 "sas address(0x%016llx)\n", ioc->name,
3082 (unsigned long long)sas_address));
3083 sas_device_priv_data->block = 0;
3084 scsi_internal_device_unblock(sdev, SDEV_RUNNING);
3085 }
3086 }
3087}
3088
3089/**
3090 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
3091 * @ioc: per adapter object
3092 * @handle: device handle
3093 *
3094 * During device pull we need to appropiately set the sdev state.
3095 */
3096static void
3097_scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc)
3098{
3099 struct MPT2SAS_DEVICE *sas_device_priv_data;
3100 struct scsi_device *sdev;
3101
3102 shost_for_each_device(sdev, ioc->shost) {
3103 sas_device_priv_data = sdev->hostdata;
3104 if (!sas_device_priv_data)
3105 continue;
3106 if (sas_device_priv_data->block)
3107 continue;
3108 sas_device_priv_data->block = 1;
3109 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, "
3110 "handle(0x%04x)\n",
3111 sas_device_priv_data->sas_target->handle));
3112 scsi_internal_device_block(sdev);
3113 }
3114}
3115
3116
3117/**
3118 * _scsih_block_io_device - set the device state to SDEV_BLOCK
3119 * @ioc: per adapter object
3120 * @handle: device handle
3121 *
3122 * During device pull we need to appropiately set the sdev state.
3123 */
3124static void
3125_scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3126{
3127 struct MPT2SAS_DEVICE *sas_device_priv_data;
3128 struct scsi_device *sdev;
3129
3130 shost_for_each_device(sdev, ioc->shost) {
3131 sas_device_priv_data = sdev->hostdata;
3132 if (!sas_device_priv_data)
3133 continue;
3134 if (sas_device_priv_data->block)
3135 continue;
3136 if (sas_device_priv_data->sas_target->handle == handle) {
3137 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
3138 MPT2SAS_INFO_FMT "SDEV_BLOCK: "
3139 "handle(0x%04x)\n", ioc->name, handle));
3140 sas_device_priv_data->block = 1;
3141 scsi_internal_device_block(sdev);
3142 }
3143 }
3144}
3145
3146/**
3147 * _scsih_block_io_to_children_attached_to_ex
3148 * @ioc: per adapter object
3149 * @sas_expander: the sas_device object
3150 *
3151 * This routine set sdev state to SDEV_BLOCK for all devices
3152 * attached to this expander. This function called when expander is
3153 * pulled.
3154 */
3155static void
3156_scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
3157 struct _sas_node *sas_expander)
3158{
3159 struct _sas_port *mpt2sas_port;
3160 struct _sas_device *sas_device;
3161 struct _sas_node *expander_sibling;
3162 unsigned long flags;
3163
3164 if (!sas_expander)
3165 return;
3166
3167 list_for_each_entry(mpt2sas_port,
3168 &sas_expander->sas_port_list, port_list) {
3169 if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) {
3170 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3171 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
3172 mpt2sas_port->remote_identify.sas_address);
3173 if (sas_device) {
3174 set_bit(sas_device->handle,
3175 ioc->blocking_handles);
3176 sas_device_put(sas_device);
3177 }
3178 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3179 }
3180 }
3181
3182 list_for_each_entry(mpt2sas_port,
3183 &sas_expander->sas_port_list, port_list) {
3184
3185 if (mpt2sas_port->remote_identify.device_type ==
3186 SAS_EDGE_EXPANDER_DEVICE ||
3187 mpt2sas_port->remote_identify.device_type ==
3188 SAS_FANOUT_EXPANDER_DEVICE) {
3189 expander_sibling =
3190 mpt2sas_scsih_expander_find_by_sas_address(
3191 ioc, mpt2sas_port->remote_identify.sas_address);
3192 _scsih_block_io_to_children_attached_to_ex(ioc,
3193 expander_sibling);
3194 }
3195 }
3196}
3197
3198/**
3199 * _scsih_block_io_to_children_attached_directly
3200 * @ioc: per adapter object
3201 * @event_data: topology change event data
3202 *
3203 * This routine set sdev state to SDEV_BLOCK for all devices
3204 * direct attached during device pull.
3205 */
3206static void
3207_scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
3208 Mpi2EventDataSasTopologyChangeList_t *event_data)
3209{
3210 int i;
3211 u16 handle;
3212 u16 reason_code;
3213 u8 phy_number;
3214
3215 for (i = 0; i < event_data->NumEntries; i++) {
3216 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3217 if (!handle)
3218 continue;
3219 phy_number = event_data->StartPhyNum + i;
3220 reason_code = event_data->PHY[i].PhyStatus &
3221 MPI2_EVENT_SAS_TOPO_RC_MASK;
3222 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3223 _scsih_block_io_device(ioc, handle);
3224 }
3225}
3226
3227/**
3228 * _scsih_tm_tr_send - send task management request
3229 * @ioc: per adapter object
3230 * @handle: device handle
3231 * Context: interrupt time.
3232 *
3233 * This code is to initiate the device removal handshake protocol
3234 * with controller firmware. This function will issue target reset
3235 * using high priority request queue. It will send a sas iounit
3236 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3237 *
3238 * This is designed to send muliple task management request at the same
3239 * time to the fifo. If the fifo is full, we will append the request,
3240 * and process it in a future completion.
3241 */
3242static void
3243_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3244{
3245 Mpi2SCSITaskManagementRequest_t *mpi_request;
3246 u16 smid;
3247 struct _sas_device *sas_device = NULL;
3248 struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
3249 u64 sas_address = 0;
3250 unsigned long flags;
3251 struct _tr_list *delayed_tr;
3252 u32 ioc_state;
3253
3254 if (ioc->remove_host) {
3255 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
3256 "removed: handle(0x%04x)\n", __func__, ioc->name, handle));
3257 return;
3258 } else if (ioc->pci_error_recovery) {
3259 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
3260 "error recovery: handle(0x%04x)\n", __func__, ioc->name,
3261 handle));
3262 return;
3263 }
3264 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3265 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3266 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
3267 "operational: handle(0x%04x)\n", __func__, ioc->name,
3268 handle));
3269 return;
3270 }
3271
3272 /* if PD, then return */
3273 if (test_bit(handle, ioc->pd_handles))
3274 return;
3275
3276 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3277 sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
3278 if (sas_device && sas_device->starget &&
3279 sas_device->starget->hostdata) {
3280 sas_target_priv_data = sas_device->starget->hostdata;
3281 sas_target_priv_data->deleted = 1;
3282 sas_address = sas_device->sas_address;
3283 }
3284 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3285
3286 if (sas_target_priv_data) {
3287 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: "
3288 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle,
3289 (unsigned long long)sas_address));
3290 _scsih_ublock_io_device(ioc, sas_address);
3291 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
3292 }
3293
3294 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3295 if (!smid) {
3296 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3297 if (!delayed_tr)
3298 goto out;
3299 INIT_LIST_HEAD(&delayed_tr->list);
3300 delayed_tr->handle = handle;
3301 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3302 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3303 "DELAYED:tr:handle(0x%04x), (open)\n",
3304 ioc->name, handle));
3305 goto out;
3306 }
3307
3308 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
3309 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
3310 ioc->tm_tr_cb_idx));
3311 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3312 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3313 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3314 mpi_request->DevHandle = cpu_to_le16(handle);
3315 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3316 mpt2sas_base_put_smid_hi_priority(ioc, smid);
3317out:
3318 if (sas_device)
3319 sas_device_put(sas_device);
3320}
3321
3322
3323
3324/**
3325 * _scsih_sas_control_complete - completion routine
3326 * @ioc: per adapter object
3327 * @smid: system request message index
3328 * @msix_index: MSIX table index supplied by the OS
3329 * @reply: reply message frame(lower 32bit addr)
3330 * Context: interrupt time.
3331 *
3332 * This is the sas iounit control completion routine.
3333 * This code is part of the code to initiate the device removal
3334 * handshake protocol with controller firmware.
3335 *
3336 * Return 1 meaning mf should be freed from _base_interrupt
3337 * 0 means the mf is freed from this function.
3338 */
3339static u8
3340_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
3341 u8 msix_index, u32 reply)
3342{
3343 Mpi2SasIoUnitControlReply_t *mpi_reply =
3344 mpt2sas_base_get_reply_virt_addr(ioc, reply);
3345 if (likely(mpi_reply)) {
3346 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3347 "sc_complete:handle(0x%04x), (open) "
3348 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3349 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3350 le16_to_cpu(mpi_reply->IOCStatus),
3351 le32_to_cpu(mpi_reply->IOCLogInfo)));
3352 } else {
3353 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3354 ioc->name, __FILE__, __LINE__, __func__);
3355 }
3356 return 1;
3357}
3358
3359/**
3360 * _scsih_tm_tr_volume_send - send target reset request for volumes
3361 * @ioc: per adapter object
3362 * @handle: device handle
3363 * Context: interrupt time.
3364 *
3365 * This is designed to send muliple task management request at the same
3366 * time to the fifo. If the fifo is full, we will append the request,
3367 * and process it in a future completion.
3368 */
3369static void
3370_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3371{
3372 Mpi2SCSITaskManagementRequest_t *mpi_request;
3373 u16 smid;
3374 struct _tr_list *delayed_tr;
3375
3376 if (ioc->shost_recovery || ioc->remove_host ||
3377 ioc->pci_error_recovery) {
3378 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
3379 "progress!\n", __func__, ioc->name));
3380 return;
3381 }
3382
3383 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3384 if (!smid) {
3385 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3386 if (!delayed_tr)
3387 return;
3388 INIT_LIST_HEAD(&delayed_tr->list);
3389 delayed_tr->handle = handle;
3390 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3391 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3392 "DELAYED:tr:handle(0x%04x), (open)\n",
3393 ioc->name, handle));
3394 return;
3395 }
3396
3397 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
3398 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
3399 ioc->tm_tr_volume_cb_idx));
3400 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3401 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3402 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3403 mpi_request->DevHandle = cpu_to_le16(handle);
3404 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3405 mpt2sas_base_put_smid_hi_priority(ioc, smid);
3406}
3407
3408/**
3409 * _scsih_tm_volume_tr_complete - target reset completion
3410 * @ioc: per adapter object
3411 * @smid: system request message index
3412 * @msix_index: MSIX table index supplied by the OS
3413 * @reply: reply message frame(lower 32bit addr)
3414 * Context: interrupt time.
3415 *
3416 * Return 1 meaning mf should be freed from _base_interrupt
3417 * 0 means the mf is freed from this function.
3418 */
3419static u8
3420_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
3421 u8 msix_index, u32 reply)
3422{
3423 u16 handle;
3424 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3425 Mpi2SCSITaskManagementReply_t *mpi_reply =
3426 mpt2sas_base_get_reply_virt_addr(ioc, reply);
3427
3428 if (ioc->shost_recovery || ioc->remove_host ||
3429 ioc->pci_error_recovery) {
3430 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
3431 "progress!\n", __func__, ioc->name));
3432 return 1;
3433 }
3434 if (unlikely(!mpi_reply)) {
3435 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3436 ioc->name, __FILE__, __LINE__, __func__);
3437 return 1;
3438 }
3439 mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
3440 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3441 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3442 dewtprintk(ioc, printk("spurious interrupt: "
3443 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle,
3444 le16_to_cpu(mpi_reply->DevHandle), smid));
3445 return 0;
3446 }
3447
3448 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3449 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3450 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3451 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3452 le32_to_cpu(mpi_reply->IOCLogInfo),
3453 le32_to_cpu(mpi_reply->TerminationCount)));
3454
3455 return _scsih_check_for_pending_tm(ioc, smid);
3456}
3457
3458/**
3459 * _scsih_tm_tr_complete -
3460 * @ioc: per adapter object
3461 * @smid: system request message index
3462 * @msix_index: MSIX table index supplied by the OS
3463 * @reply: reply message frame(lower 32bit addr)
3464 * Context: interrupt time.
3465 *
3466 * This is the target reset completion routine.
3467 * This code is part of the code to initiate the device removal
3468 * handshake protocol with controller firmware.
3469 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3470 *
3471 * Return 1 meaning mf should be freed from _base_interrupt
3472 * 0 means the mf is freed from this function.
3473 */
3474static u8
3475_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3476 u32 reply)
3477{
3478 u16 handle;
3479 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3480 Mpi2SCSITaskManagementReply_t *mpi_reply =
3481 mpt2sas_base_get_reply_virt_addr(ioc, reply);
3482 Mpi2SasIoUnitControlRequest_t *mpi_request;
3483 u16 smid_sas_ctrl;
3484 u32 ioc_state;
3485
3486 if (ioc->remove_host) {
3487 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
3488 "removed\n", __func__, ioc->name));
3489 return 1;
3490 } else if (ioc->pci_error_recovery) {
3491 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
3492 "error recovery\n", __func__, ioc->name));
3493 return 1;
3494 }
3495 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3496 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3497 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
3498 "operational\n", __func__, ioc->name));
3499 return 1;
3500 }
3501 if (unlikely(!mpi_reply)) {
3502 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3503 ioc->name, __FILE__, __LINE__, __func__);
3504 return 1;
3505 }
3506 mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
3507 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3508 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3509 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
3510 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
3511 le16_to_cpu(mpi_reply->DevHandle), smid));
3512 return 0;
3513 }
3514
3515 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3516 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3517 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3518 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3519 le32_to_cpu(mpi_reply->IOCLogInfo),
3520 le32_to_cpu(mpi_reply->TerminationCount)));
3521
3522 smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
3523 if (!smid_sas_ctrl) {
3524 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3525 ioc->name, __func__);
3526 return 1;
3527 }
3528
3529 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
3530 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
3531 ioc->tm_sas_control_cb_idx));
3532 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
3533 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3534 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3535 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3536 mpi_request->DevHandle = mpi_request_tm->DevHandle;
3537 mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
3538
3539 return _scsih_check_for_pending_tm(ioc, smid);
3540}
3541
3542/**
3543 * _scsih_check_for_pending_tm - check for pending task management
3544 * @ioc: per adapter object
3545 * @smid: system request message index
3546 *
3547 * This will check delayed target reset list, and feed the
3548 * next reqeust.
3549 *
3550 * Return 1 meaning mf should be freed from _base_interrupt
3551 * 0 means the mf is freed from this function.
3552 */
3553static u8
3554_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid)
3555{
3556 struct _tr_list *delayed_tr;
3557
3558 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3559 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3560 struct _tr_list, list);
3561 mpt2sas_base_free_smid(ioc, smid);
3562 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3563 list_del(&delayed_tr->list);
3564 kfree(delayed_tr);
3565 return 0;
3566 }
3567
3568 if (!list_empty(&ioc->delayed_tr_list)) {
3569 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3570 struct _tr_list, list);
3571 mpt2sas_base_free_smid(ioc, smid);
3572 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3573 list_del(&delayed_tr->list);
3574 kfree(delayed_tr);
3575 return 0;
3576 }
3577
3578 return 1;
3579}
3580
3581/**
3582 * _scsih_check_topo_delete_events - sanity check on topo events
3583 * @ioc: per adapter object
3584 * @event_data: the event data payload
3585 *
3586 * This routine added to better handle cable breaker.
3587 *
3588 * This handles the case where driver receives multiple expander
3589 * add and delete events in a single shot. When there is a delete event
3590 * the routine will void any pending add events waiting in the event queue.
3591 *
3592 * Return nothing.
3593 */
3594static void
3595_scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
3596 Mpi2EventDataSasTopologyChangeList_t *event_data)
3597{
3598 struct fw_event_work *fw_event;
3599 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3600 u16 expander_handle;
3601 struct _sas_node *sas_expander;
3602 unsigned long flags;
3603 int i, reason_code;
3604 u16 handle;
3605
3606 for (i = 0 ; i < event_data->NumEntries; i++) {
3607 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3608 if (!handle)
3609 continue;
3610 reason_code = event_data->PHY[i].PhyStatus &
3611 MPI2_EVENT_SAS_TOPO_RC_MASK;
3612 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3613 _scsih_tm_tr_send(ioc, handle);
3614 }
3615
3616 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3617 if (expander_handle < ioc->sas_hba.num_phys) {
3618 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3619 return;
3620 }
3621 if (event_data->ExpStatus ==
3622 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3623 /* put expander attached devices into blocking state */
3624 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3625 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
3626 expander_handle);
3627 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3628 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3629 do {
3630 handle = find_first_bit(ioc->blocking_handles,
3631 ioc->facts.MaxDevHandle);
3632 if (handle < ioc->facts.MaxDevHandle)
3633 _scsih_block_io_device(ioc, handle);
3634 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3635 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3636 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3637
3638 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3639 return;
3640
3641 /* mark ignore flag for pending events */
3642 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3643 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3644 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3645 fw_event->ignore)
3646 continue;
3647 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3648 fw_event->event_data;
3649 if (local_event_data->ExpStatus ==
3650 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3651 local_event_data->ExpStatus ==
3652 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3653 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3654 expander_handle) {
3655 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3656 "setting ignoring flag\n", ioc->name));
3657 fw_event->ignore = 1;
3658 }
3659 }
3660 }
3661 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3662}
3663
3664/**
3665 * _scsih_set_volume_delete_flag - setting volume delete flag
3666 * @ioc: per adapter object
3667 * @handle: device handle
3668 *
3669 * This
3670 * Return nothing.
3671 */
3672static void
3673_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3674{
3675 struct _raid_device *raid_device;
3676 struct MPT2SAS_TARGET *sas_target_priv_data;
3677 unsigned long flags;
3678
3679 spin_lock_irqsave(&ioc->raid_device_lock, flags);
3680 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
3681 if (raid_device && raid_device->starget &&
3682 raid_device->starget->hostdata) {
3683 sas_target_priv_data =
3684 raid_device->starget->hostdata;
3685 sas_target_priv_data->deleted = 1;
3686 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3687 "setting delete flag: handle(0x%04x), "
3688 "wwid(0x%016llx)\n", ioc->name, handle,
3689 (unsigned long long) raid_device->wwid));
3690 }
3691 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3692}
3693
3694/**
3695 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3696 * @handle: input handle
3697 * @a: handle for volume a
3698 * @b: handle for volume b
3699 *
3700 * IR firmware only supports two raid volumes. The purpose of this
3701 * routine is to set the volume handle in either a or b. When the given
3702 * input handle is non-zero, or when a and b have not been set before.
3703 */
3704static void
3705_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3706{
3707 if (!handle || handle == *a || handle == *b)
3708 return;
3709 if (!*a)
3710 *a = handle;
3711 else if (!*b)
3712 *b = handle;
3713}
3714
3715/**
3716 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3717 * @ioc: per adapter object
3718 * @event_data: the event data payload
3719 * Context: interrupt time.
3720 *
3721 * This routine will send target reset to volume, followed by target
3722 * resets to the PDs. This is called when a PD has been removed, or
3723 * volume has been deleted or removed. When the target reset is sent
3724 * to volume, the PD target resets need to be queued to start upon
3725 * completion of the volume target reset.
3726 *
3727 * Return nothing.
3728 */
3729static void
3730_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc,
3731 Mpi2EventDataIrConfigChangeList_t *event_data)
3732{
3733 Mpi2EventIrConfigElement_t *element;
3734 int i;
3735 u16 handle, volume_handle, a, b;
3736 struct _tr_list *delayed_tr;
3737
3738 a = 0;
3739 b = 0;
3740
3741 if (ioc->is_warpdrive)
3742 return;
3743
3744 /* Volume Resets for Deleted or Removed */
3745 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3746 for (i = 0; i < event_data->NumElements; i++, element++) {
3747 if (element->ReasonCode ==
3748 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3749 element->ReasonCode ==
3750 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3751 volume_handle = le16_to_cpu(element->VolDevHandle);
3752 _scsih_set_volume_delete_flag(ioc, volume_handle);
3753 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3754 }
3755 }
3756
3757 /* Volume Resets for UNHIDE events */
3758 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3759 for (i = 0; i < event_data->NumElements; i++, element++) {
3760 if (le32_to_cpu(event_data->Flags) &
3761 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3762 continue;
3763 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3764 volume_handle = le16_to_cpu(element->VolDevHandle);
3765 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3766 }
3767 }
3768
3769 if (a)
3770 _scsih_tm_tr_volume_send(ioc, a);
3771 if (b)
3772 _scsih_tm_tr_volume_send(ioc, b);
3773
3774 /* PD target resets */
3775 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3776 for (i = 0; i < event_data->NumElements; i++, element++) {
3777 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3778 continue;
3779 handle = le16_to_cpu(element->PhysDiskDevHandle);
3780 volume_handle = le16_to_cpu(element->VolDevHandle);
3781 clear_bit(handle, ioc->pd_handles);
3782 if (!volume_handle)
3783 _scsih_tm_tr_send(ioc, handle);
3784 else if (volume_handle == a || volume_handle == b) {
3785 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3786 BUG_ON(!delayed_tr);
3787 INIT_LIST_HEAD(&delayed_tr->list);
3788 delayed_tr->handle = handle;
3789 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3790 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3791 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3792 handle));
3793 } else
3794 _scsih_tm_tr_send(ioc, handle);
3795 }
3796}
3797
3798
3799/**
3800 * _scsih_check_volume_delete_events - set delete flag for volumes
3801 * @ioc: per adapter object
3802 * @event_data: the event data payload
3803 * Context: interrupt time.
3804 *
3805 * This will handle the case when the cable connected to entire volume is
3806 * pulled. We will take care of setting the deleted flag so normal IO will
3807 * not be sent.
3808 *
3809 * Return nothing.
3810 */
3811static void
3812_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc,
3813 Mpi2EventDataIrVolume_t *event_data)
3814{
3815 u32 state;
3816
3817 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3818 return;
3819 state = le32_to_cpu(event_data->NewValue);
3820 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3821 MPI2_RAID_VOL_STATE_FAILED)
3822 _scsih_set_volume_delete_flag(ioc,
3823 le16_to_cpu(event_data->VolDevHandle));
3824}
3825
3826/**
3827 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3828 * @ioc: per adapter object
3829 * @event_data: the temp threshold event data
3830 * Context: interrupt time.
3831 *
3832 * Return nothing.
3833 */
3834static void
3835_scsih_temp_threshold_events(struct MPT2SAS_ADAPTER *ioc,
3836 Mpi2EventDataTemperature_t *event_data)
3837{
3838 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3839 printk(MPT2SAS_ERR_FMT "Temperature Threshold flags %s%s%s%s"
3840 " exceeded for Sensor: %d !!!\n", ioc->name,
3841 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3842 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3843 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3844 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3845 event_data->SensorNum);
3846 printk(MPT2SAS_ERR_FMT "Current Temp In Celsius: %d\n",
3847 ioc->name, event_data->CurrentTemperature);
3848 }
3849}
3850
3851/**
3852 * _scsih_flush_running_cmds - completing outstanding commands.
3853 * @ioc: per adapter object
3854 *
3855 * The flushing out of all pending scmd commands following host reset,
3856 * where all IO is dropped to the floor.
3857 *
3858 * Return nothing.
3859 */
3860static void
3861_scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
3862{
3863 struct scsi_cmnd *scmd;
3864 u16 smid;
3865 u16 count = 0;
3866
3867 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3868 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3869 if (!scmd)
3870 continue;
3871 count++;
3872 mpt2sas_base_free_smid(ioc, smid);
3873 scsi_dma_unmap(scmd);
3874 if (ioc->pci_error_recovery)
3875 scmd->result = DID_NO_CONNECT << 16;
3876 else
3877 scmd->result = DID_RESET << 16;
3878 scmd->scsi_done(scmd);
3879 }
3880 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
3881 ioc->name, count));
3882}
3883
3884/**
3885 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3886 * @scmd: pointer to scsi command object
3887 * @mpi_request: pointer to the SCSI_IO reqest message frame
3888 *
3889 * Supporting protection 1 and 3.
3890 *
3891 * Returns nothing
3892 */
3893static void
3894_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
3895{
3896 u16 eedp_flags;
3897 unsigned char prot_op = scsi_get_prot_op(scmd);
3898 unsigned char prot_type = scsi_get_prot_type(scmd);
3899
3900 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3901 return;
3902
3903 if (prot_op == SCSI_PROT_READ_STRIP)
3904 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3905 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3906 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3907 else
3908 return;
3909
3910 switch (prot_type) {
3911 case SCSI_PROT_DIF_TYPE1:
3912 case SCSI_PROT_DIF_TYPE2:
3913
3914 /*
3915 * enable ref/guard checking
3916 * auto increment ref tag
3917 */
3918 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3919 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3920 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3921 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
3922 cpu_to_be32(scsi_get_lba(scmd));
3923 break;
3924
3925 case SCSI_PROT_DIF_TYPE3:
3926
3927 /*
3928 * enable guard checking
3929 */
3930 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3931 break;
3932 }
3933 mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
3934 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3935}
3936
3937/**
3938 * _scsih_eedp_error_handling - return sense code for EEDP errors
3939 * @scmd: pointer to scsi command object
3940 * @ioc_status: ioc status
3941 *
3942 * Returns nothing
3943 */
3944static void
3945_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
3946{
3947 u8 ascq;
3948
3949 switch (ioc_status) {
3950 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3951 ascq = 0x01;
3952 break;
3953 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3954 ascq = 0x02;
3955 break;
3956 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3957 ascq = 0x03;
3958 break;
3959 default:
3960 ascq = 0x00;
3961 break;
3962 }
3963
3964 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq);
3965 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
3966 SAM_STAT_CHECK_CONDITION;
3967}
3968
3969/**
3970 * _scsih_scsi_direct_io_get - returns direct io flag
3971 * @ioc: per adapter object
3972 * @smid: system request message index
3973 *
3974 * Returns the smid stored scmd pointer.
3975 */
3976static inline u8
3977_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
3978{
3979 return ioc->scsi_lookup[smid - 1].direct_io;
3980}
3981
3982/**
3983 * _scsih_scsi_direct_io_set - sets direct io flag
3984 * @ioc: per adapter object
3985 * @smid: system request message index
3986 * @direct_io: Zero or non-zero value to set in the direct_io flag
3987 *
3988 * Returns Nothing.
3989 */
3990static inline void
3991_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io)
3992{
3993 ioc->scsi_lookup[smid - 1].direct_io = direct_io;
3994}
3995
3996
3997/**
3998 * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
3999 * @ioc: per adapter object
4000 * @scmd: pointer to scsi command object
4001 * @raid_device: pointer to raid device data structure
4002 * @mpi_request: pointer to the SCSI_IO reqest message frame
4003 * @smid: system request message index
4004 *
4005 * Returns nothing
4006 */
4007static void
4008_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4009 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
4010 u16 smid)
4011{
4012 sector_t v_lba, p_lba, stripe_off, column, io_size;
4013 u32 stripe_sz, stripe_exp;
4014 u8 num_pds, cmd = scmd->cmnd[0];
4015
4016 if (cmd != READ_10 && cmd != WRITE_10 &&
4017 cmd != READ_16 && cmd != WRITE_16)
4018 return;
4019
4020 if (cmd == READ_10 || cmd == WRITE_10)
4021 v_lba = get_unaligned_be32(&mpi_request->CDB.CDB32[2]);
4022 else
4023 v_lba = get_unaligned_be64(&mpi_request->CDB.CDB32[2]);
4024
4025 io_size = scsi_bufflen(scmd) >> raid_device->block_exponent;
4026
4027 if (v_lba + io_size - 1 > raid_device->max_lba)
4028 return;
4029
4030 stripe_sz = raid_device->stripe_sz;
4031 stripe_exp = raid_device->stripe_exponent;
4032 stripe_off = v_lba & (stripe_sz - 1);
4033
4034 /* Return unless IO falls within a stripe */
4035 if (stripe_off + io_size > stripe_sz)
4036 return;
4037
4038 num_pds = raid_device->num_pds;
4039 p_lba = v_lba >> stripe_exp;
4040 column = sector_div(p_lba, num_pds);
4041 p_lba = (p_lba << stripe_exp) + stripe_off;
4042
4043 mpi_request->DevHandle = cpu_to_le16(raid_device->pd_handle[column]);
4044
4045 if (cmd == READ_10 || cmd == WRITE_10)
4046 put_unaligned_be32(lower_32_bits(p_lba),
4047 &mpi_request->CDB.CDB32[2]);
4048 else
4049 put_unaligned_be64(p_lba, &mpi_request->CDB.CDB32[2]);
4050
4051 _scsih_scsi_direct_io_set(ioc, smid, 1);
4052}
4053
4054/**
4055 * _scsih_qcmd - main scsi request entry point
4056 * @scmd: pointer to scsi command object
4057 * @done: function pointer to be invoked on completion
4058 *
4059 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4060 *
4061 * Returns 0 on success. If there's a failure, return either:
4062 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4063 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4064 */
4065static int
4066_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
4067{
4068 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
4069 struct MPT2SAS_DEVICE *sas_device_priv_data;
4070 struct MPT2SAS_TARGET *sas_target_priv_data;
4071 struct _raid_device *raid_device;
4072 Mpi2SCSIIORequest_t *mpi_request;
4073 u32 mpi_control;
4074 u16 smid;
4075
4076 sas_device_priv_data = scmd->device->hostdata;
4077 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4078 scmd->result = DID_NO_CONNECT << 16;
4079 scmd->scsi_done(scmd);
4080 return 0;
4081 }
4082
4083 if (ioc->pci_error_recovery || ioc->remove_host) {
4084 scmd->result = DID_NO_CONNECT << 16;
4085 scmd->scsi_done(scmd);
4086 return 0;
4087 }
4088
4089 sas_target_priv_data = sas_device_priv_data->sas_target;
4090 /* invalid device handle */
4091 if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
4092 scmd->result = DID_NO_CONNECT << 16;
4093 scmd->scsi_done(scmd);
4094 return 0;
4095 }
4096
4097 /* host recovery or link resets sent via IOCTLs */
4098 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4099 return SCSI_MLQUEUE_HOST_BUSY;
4100 /* device busy with task management */
4101 else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
4102 return SCSI_MLQUEUE_DEVICE_BUSY;
4103 /* device has been deleted */
4104 else if (sas_target_priv_data->deleted) {
4105 scmd->result = DID_NO_CONNECT << 16;
4106 scmd->scsi_done(scmd);
4107 return 0;
4108 }
4109
4110 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4111 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4112 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4113 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4114 else
4115 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4116
4117 /* set tags */
4118 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
4119
4120 /* Make sure Device is not raid volume.
4121 * We do not expose raid functionality to upper layer for warpdrive.
4122 */
4123 if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
4124 sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
4125 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4126
4127 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4128 if (!smid) {
4129 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
4130 ioc->name, __func__);
4131 goto out;
4132 }
4133 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
4134 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4135 _scsih_setup_eedp(scmd, mpi_request);
4136 if (scmd->cmd_len == 32)
4137 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4138 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4139 if (sas_device_priv_data->sas_target->flags &
4140 MPT_TARGET_FLAGS_RAID_COMPONENT)
4141 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4142 else
4143 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4144 mpi_request->DevHandle =
4145 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4146 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4147 mpi_request->Control = cpu_to_le32(mpi_control);
4148 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4149 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4150 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4151 mpi_request->SenseBufferLowAddress =
4152 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
4153 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4154 mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
4155 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
4156 mpi_request->VF_ID = 0; /* TODO */
4157 mpi_request->VP_ID = 0;
4158 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4159 mpi_request->LUN);
4160 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4161
4162 if (!mpi_request->DataLength) {
4163 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
4164 } else {
4165 if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
4166 mpt2sas_base_free_smid(ioc, smid);
4167 goto out;
4168 }
4169 }
4170
4171 raid_device = sas_target_priv_data->raid_device;
4172 if (raid_device && raid_device->direct_io_enabled)
4173 _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request,
4174 smid);
4175
4176 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
4177 mpt2sas_base_put_smid_scsi_io(ioc, smid,
4178 le16_to_cpu(mpi_request->DevHandle));
4179 else
4180 mpt2sas_base_put_smid_default(ioc, smid);
4181 return 0;
4182
4183 out:
4184 return SCSI_MLQUEUE_HOST_BUSY;
4185}
4186
4187/**
4188 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4189 * @sense_buffer: sense data returned by target
4190 * @data: normalized skey/asc/ascq
4191 *
4192 * Return nothing.
4193 */
4194static void
4195_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4196{
4197 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4198 /* descriptor format */
4199 data->skey = sense_buffer[1] & 0x0F;
4200 data->asc = sense_buffer[2];
4201 data->ascq = sense_buffer[3];
4202 } else {
4203 /* fixed format */
4204 data->skey = sense_buffer[2] & 0x0F;
4205 data->asc = sense_buffer[12];
4206 data->ascq = sense_buffer[13];
4207 }
4208}
4209
4210#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4211/**
4212 * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
4213 * @ioc: per adapter object
4214 * @scmd: pointer to scsi command object
4215 * @mpi_reply: reply mf payload returned from firmware
4216 *
4217 * scsi_status - SCSI Status code returned from target device
4218 * scsi_state - state info associated with SCSI_IO determined by ioc
4219 * ioc_status - ioc supplied status info
4220 *
4221 * Return nothing.
4222 */
4223static void
4224_scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4225 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4226{
4227 u32 response_info;
4228 u8 *response_bytes;
4229 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4230 MPI2_IOCSTATUS_MASK;
4231 u8 scsi_state = mpi_reply->SCSIState;
4232 u8 scsi_status = mpi_reply->SCSIStatus;
4233 char *desc_ioc_state = NULL;
4234 char *desc_scsi_status = NULL;
4235 char *desc_scsi_state = ioc->tmp_string;
4236 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4237 struct _sas_device *sas_device = NULL;
4238 struct scsi_target *starget = scmd->device->sdev_target;
4239 struct MPT2SAS_TARGET *priv_target = starget->hostdata;
4240 char *device_str = NULL;
4241
4242 if (!priv_target)
4243 return;
4244
4245 if (ioc->hide_ir_msg)
4246 device_str = "WarpDrive";
4247 else
4248 device_str = "volume";
4249
4250 if (log_info == 0x31170000)
4251 return;
4252
4253 switch (ioc_status) {
4254 case MPI2_IOCSTATUS_SUCCESS:
4255 desc_ioc_state = "success";
4256 break;
4257 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4258 desc_ioc_state = "invalid function";
4259 break;
4260 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4261 desc_ioc_state = "scsi recovered error";
4262 break;
4263 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4264 desc_ioc_state = "scsi invalid dev handle";
4265 break;
4266 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4267 desc_ioc_state = "scsi device not there";
4268 break;
4269 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4270 desc_ioc_state = "scsi data overrun";
4271 break;
4272 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4273 desc_ioc_state = "scsi data underrun";
4274 break;
4275 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4276 desc_ioc_state = "scsi io data error";
4277 break;
4278 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4279 desc_ioc_state = "scsi protocol error";
4280 break;
4281 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4282 desc_ioc_state = "scsi task terminated";
4283 break;
4284 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4285 desc_ioc_state = "scsi residual mismatch";
4286 break;
4287 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4288 desc_ioc_state = "scsi task mgmt failed";
4289 break;
4290 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4291 desc_ioc_state = "scsi ioc terminated";
4292 break;
4293 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4294 desc_ioc_state = "scsi ext terminated";
4295 break;
4296 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4297 desc_ioc_state = "eedp guard error";
4298 break;
4299 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4300 desc_ioc_state = "eedp ref tag error";
4301 break;
4302 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4303 desc_ioc_state = "eedp app tag error";
4304 break;
4305 default:
4306 desc_ioc_state = "unknown";
4307 break;
4308 }
4309
4310 switch (scsi_status) {
4311 case MPI2_SCSI_STATUS_GOOD:
4312 desc_scsi_status = "good";
4313 break;
4314 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4315 desc_scsi_status = "check condition";
4316 break;
4317 case MPI2_SCSI_STATUS_CONDITION_MET:
4318 desc_scsi_status = "condition met";
4319 break;
4320 case MPI2_SCSI_STATUS_BUSY:
4321 desc_scsi_status = "busy";
4322 break;
4323 case MPI2_SCSI_STATUS_INTERMEDIATE:
4324 desc_scsi_status = "intermediate";
4325 break;
4326 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4327 desc_scsi_status = "intermediate condmet";
4328 break;
4329 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4330 desc_scsi_status = "reservation conflict";
4331 break;
4332 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4333 desc_scsi_status = "command terminated";
4334 break;
4335 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4336 desc_scsi_status = "task set full";
4337 break;
4338 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4339 desc_scsi_status = "aca active";
4340 break;
4341 case MPI2_SCSI_STATUS_TASK_ABORTED:
4342 desc_scsi_status = "task aborted";
4343 break;
4344 default:
4345 desc_scsi_status = "unknown";
4346 break;
4347 }
4348
4349 desc_scsi_state[0] = '\0';
4350 if (!scsi_state)
4351 desc_scsi_state = " ";
4352 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4353 strcat(desc_scsi_state, "response info ");
4354 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4355 strcat(desc_scsi_state, "state terminated ");
4356 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4357 strcat(desc_scsi_state, "no status ");
4358 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4359 strcat(desc_scsi_state, "autosense failed ");
4360 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4361 strcat(desc_scsi_state, "autosense valid ");
4362
4363 scsi_print_command(scmd);
4364
4365 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4366 printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4367 device_str, (unsigned long long)priv_target->sas_address);
4368 } else {
4369 sas_device = mpt2sas_get_sdev_from_target(ioc, priv_target);
4370 if (sas_device) {
4371 printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
4372 "phy(%d)\n", ioc->name, sas_device->sas_address,
4373 sas_device->phy);
4374 printk(MPT2SAS_WARN_FMT
4375 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
4376 ioc->name, sas_device->enclosure_logical_id,
4377 sas_device->slot);
4378
4379 sas_device_put(sas_device);
4380 }
4381 }
4382
4383 printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), "
4384 "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4385 desc_ioc_state, ioc_status, smid);
4386 printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
4387 "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
4388 scsi_get_resid(scmd));
4389 printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
4390 "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4391 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4392 printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
4393 "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
4394 scsi_status, desc_scsi_state, scsi_state);
4395
4396 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4397 struct sense_info data;
4398 _scsih_normalize_sense(scmd->sense_buffer, &data);
4399 printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
4400 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
4401 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4402 }
4403
4404 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4405 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4406 response_bytes = (u8 *)&response_info;
4407 _scsih_response_code(ioc, response_bytes[0]);
4408 }
4409}
4410#endif
4411
4412/**
4413 * _scsih_turn_on_pfa_led - illuminate PFA LED
4414 * @ioc: per adapter object
4415 * @handle: device handle
4416 * Context: process
4417 *
4418 * Return nothing.
4419 */
4420static void
4421_scsih_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4422{
4423 Mpi2SepReply_t mpi_reply;
4424 Mpi2SepRequest_t mpi_request;
4425 struct _sas_device *sas_device;
4426
4427 sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
4428 if (!sas_device)
4429 return;
4430
4431 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4432 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4433 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4434 mpi_request.SlotStatus =
4435 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4436 mpi_request.DevHandle = cpu_to_le16(handle);
4437 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4438 if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4439 &mpi_request)) != 0) {
4440 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
4441 __FILE__, __LINE__, __func__);
4442 goto out;
4443 }
4444 sas_device->pfa_led_on = 1;
4445
4446
4447 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4448 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
4449 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4450 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4451 le32_to_cpu(mpi_reply.IOCLogInfo)));
4452 goto out;
4453 }
4454out:
4455 sas_device_put(sas_device);
4456}
4457
4458/**
4459 * _scsih_turn_off_pfa_led - turn off PFA LED
4460 * @ioc: per adapter object
4461 * @sas_device: sas device whose PFA LED has to turned off
4462 * Context: process
4463 *
4464 * Return nothing.
4465 */
4466static void
4467_scsih_turn_off_pfa_led(struct MPT2SAS_ADAPTER *ioc,
4468 struct _sas_device *sas_device)
4469{
4470 Mpi2SepReply_t mpi_reply;
4471 Mpi2SepRequest_t mpi_request;
4472
4473 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4474 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4475 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4476 mpi_request.SlotStatus = 0;
4477 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4478 mpi_request.DevHandle = 0;
4479 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4480 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4481 if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4482 &mpi_request)) != 0) {
4483 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
4484 __FILE__, __LINE__, __func__);
4485 return;
4486 }
4487
4488 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4489 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: "
4490 "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name,
4491 le16_to_cpu(mpi_reply.IOCStatus),
4492 le32_to_cpu(mpi_reply.IOCLogInfo)));
4493 return;
4494 }
4495}
4496
4497/**
4498 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
4499 * @ioc: per adapter object
4500 * @handle: device handle
4501 * Context: interrupt.
4502 *
4503 * Return nothing.
4504 */
4505static void
4506_scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4507{
4508 struct fw_event_work *fw_event;
4509
4510 fw_event = alloc_fw_event_work(0);
4511 if (!fw_event)
4512 return;
4513 fw_event->event = MPT2SAS_TURN_ON_PFA_LED;
4514 fw_event->device_handle = handle;
4515 fw_event->ioc = ioc;
4516 _scsih_fw_event_add(ioc, fw_event);
4517 fw_event_work_put(fw_event);
4518}
4519
4520/**
4521 * _scsih_smart_predicted_fault - process smart errors
4522 * @ioc: per adapter object
4523 * @handle: device handle
4524 * Context: interrupt.
4525 *
4526 * Return nothing.
4527 */
4528static void
4529_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4530{
4531 struct scsi_target *starget;
4532 struct MPT2SAS_TARGET *sas_target_priv_data;
4533 Mpi2EventNotificationReply_t *event_reply;
4534 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4535 struct _sas_device *sas_device;
4536 ssize_t sz;
4537 unsigned long flags;
4538
4539 /* only handle non-raid devices */
4540 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4541 sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
4542 if (!sas_device) {
4543 goto out_unlock;
4544 }
4545 starget = sas_device->starget;
4546 sas_target_priv_data = starget->hostdata;
4547
4548 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
4549 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4550 goto out_unlock;
4551
4552 starget_printk(KERN_WARNING, starget, "predicted fault\n");
4553 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4554
4555 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
4556 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
4557
4558 /* insert into event log */
4559 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4560 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4561 event_reply = kzalloc(sz, GFP_ATOMIC);
4562 if (!event_reply) {
4563 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4564 ioc->name, __FILE__, __LINE__, __func__);
4565 goto out;
4566 }
4567
4568 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4569 event_reply->Event =
4570 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4571 event_reply->MsgLength = sz/4;
4572 event_reply->EventDataLength =
4573 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4574 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4575 event_reply->EventData;
4576 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4577 event_data->ASC = 0x5D;
4578 event_data->DevHandle = cpu_to_le16(handle);
4579 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4580 mpt2sas_ctl_add_to_event_log(ioc, event_reply);
4581 kfree(event_reply);
4582out:
4583 if (sas_device)
4584 sas_device_put(sas_device);
4585 return;
4586
4587out_unlock:
4588 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4589 goto out;
4590}
4591
4592/**
4593 * _scsih_io_done - scsi request callback
4594 * @ioc: per adapter object
4595 * @smid: system request message index
4596 * @msix_index: MSIX table index supplied by the OS
4597 * @reply: reply message frame(lower 32bit addr)
4598 *
4599 * Callback handler when using _scsih_qcmd.
4600 *
4601 * Return 1 meaning mf should be freed from _base_interrupt
4602 * 0 means the mf is freed from this function.
4603 */
4604static u8
4605_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4606{
4607 Mpi2SCSIIORequest_t *mpi_request;
4608 Mpi2SCSIIOReply_t *mpi_reply;
4609 struct scsi_cmnd *scmd;
4610 u16 ioc_status;
4611 u32 xfer_cnt;
4612 u8 scsi_state;
4613 u8 scsi_status;
4614 u32 log_info;
4615 struct MPT2SAS_DEVICE *sas_device_priv_data;
4616 u32 response_code = 0;
4617 unsigned long flags;
4618
4619 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
4620 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4621 if (scmd == NULL)
4622 return 1;
4623
4624 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
4625
4626 if (mpi_reply == NULL) {
4627 scmd->result = DID_OK << 16;
4628 goto out;
4629 }
4630
4631 sas_device_priv_data = scmd->device->hostdata;
4632 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4633 sas_device_priv_data->sas_target->deleted) {
4634 scmd->result = DID_NO_CONNECT << 16;
4635 goto out;
4636 }
4637 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4638 /*
4639 * WARPDRIVE: If direct_io is set then it is directIO,
4640 * the failed direct I/O should be redirected to volume
4641 */
4642 if (_scsih_scsi_direct_io_get(ioc, smid) &&
4643 ((ioc_status & MPI2_IOCSTATUS_MASK)
4644 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4645 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4646 ioc->scsi_lookup[smid - 1].scmd = scmd;
4647 _scsih_scsi_direct_io_set(ioc, smid, 0);
4648 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4649 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4650 mpi_request->DevHandle =
4651 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4652 mpt2sas_base_put_smid_scsi_io(ioc, smid,
4653 sas_device_priv_data->sas_target->handle);
4654 return 0;
4655 }
4656
4657
4658 /* turning off TLR */
4659 scsi_state = mpi_reply->SCSIState;
4660 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4661 response_code =
4662 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4663 if (!sas_device_priv_data->tlr_snoop_check) {
4664 sas_device_priv_data->tlr_snoop_check++;
4665 /* Make sure Device is not raid volume.
4666 * We do not expose raid functionality to upper layer for warpdrive.
4667 */
4668 if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
4669 sas_is_tlr_enabled(scmd->device) &&
4670 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4671 sas_disable_tlr(scmd->device);
4672 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4673 }
4674 }
4675
4676 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4677 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4678 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4679 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4680 else
4681 log_info = 0;
4682 ioc_status &= MPI2_IOCSTATUS_MASK;
4683 scsi_status = mpi_reply->SCSIStatus;
4684
4685 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4686 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4687 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4688 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4689 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4690 }
4691
4692 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4693 struct sense_info data;
4694 const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
4695 smid);
4696 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4697 le32_to_cpu(mpi_reply->SenseCount));
4698 memcpy(scmd->sense_buffer, sense_data, sz);
4699 _scsih_normalize_sense(scmd->sense_buffer, &data);
4700 /* failure prediction threshold exceeded */
4701 if (data.asc == 0x5D)
4702 _scsih_smart_predicted_fault(ioc,
4703 le16_to_cpu(mpi_reply->DevHandle));
4704 }
4705
4706 switch (ioc_status) {
4707 case MPI2_IOCSTATUS_BUSY:
4708 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4709 scmd->result = SAM_STAT_BUSY;
4710 break;
4711
4712 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4713 scmd->result = DID_NO_CONNECT << 16;
4714 break;
4715
4716 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4717 if (sas_device_priv_data->block) {
4718 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4719 goto out;
4720 }
4721 if (log_info == 0x32010081) {
4722 scmd->result = DID_RESET << 16;
4723 break;
4724 }
4725 scmd->result = DID_SOFT_ERROR << 16;
4726 break;
4727 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4728 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4729 scmd->result = DID_RESET << 16;
4730 break;
4731
4732 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4733 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4734 scmd->result = DID_SOFT_ERROR << 16;
4735 else
4736 scmd->result = (DID_OK << 16) | scsi_status;
4737 break;
4738
4739 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4740 scmd->result = (DID_OK << 16) | scsi_status;
4741
4742 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4743 break;
4744
4745 if (xfer_cnt < scmd->underflow) {
4746 if (scsi_status == SAM_STAT_BUSY)
4747 scmd->result = SAM_STAT_BUSY;
4748 else
4749 scmd->result = DID_SOFT_ERROR << 16;
4750 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4751 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4752 scmd->result = DID_SOFT_ERROR << 16;
4753 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4754 scmd->result = DID_RESET << 16;
4755 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4756 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4757 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4758 scmd->result = (DRIVER_SENSE << 24) |
4759 SAM_STAT_CHECK_CONDITION;
4760 scmd->sense_buffer[0] = 0x70;
4761 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4762 scmd->sense_buffer[12] = 0x20;
4763 scmd->sense_buffer[13] = 0;
4764 }
4765 break;
4766
4767 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4768 scsi_set_resid(scmd, 0);
4769 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4770 case MPI2_IOCSTATUS_SUCCESS:
4771 scmd->result = (DID_OK << 16) | scsi_status;
4772 if (response_code ==
4773 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4774 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4775 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4776 scmd->result = DID_SOFT_ERROR << 16;
4777 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4778 scmd->result = DID_RESET << 16;
4779 break;
4780
4781 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4782 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4783 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4784 _scsih_eedp_error_handling(scmd, ioc_status);
4785 break;
4786 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4787 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4788 case MPI2_IOCSTATUS_INVALID_SGL:
4789 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4790 case MPI2_IOCSTATUS_INVALID_FIELD:
4791 case MPI2_IOCSTATUS_INVALID_STATE:
4792 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4793 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4794 default:
4795 scmd->result = DID_SOFT_ERROR << 16;
4796 break;
4797
4798 }
4799
4800#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4801 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4802 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
4803#endif
4804
4805 out:
4806 scsi_dma_unmap(scmd);
4807 scmd->scsi_done(scmd);
4808 return 1;
4809}
4810
4811/**
4812 * _scsih_sas_host_refresh - refreshing sas host object contents
4813 * @ioc: per adapter object
4814 * Context: user
4815 *
4816 * During port enable, fw will send topology events for every device. Its
4817 * possible that the handles may change from the previous setting, so this
4818 * code keeping handles updating if changed.
4819 *
4820 * Return nothing.
4821 */
4822static void
4823_scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
4824{
4825 u16 sz;
4826 u16 ioc_status;
4827 int i;
4828 Mpi2ConfigReply_t mpi_reply;
4829 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4830 u16 attached_handle;
4831 u8 link_rate;
4832
4833 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
4834 "updating handles for sas_host(0x%016llx)\n",
4835 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4836
4837 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4838 * sizeof(Mpi2SasIOUnit0PhyData_t));
4839 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4840 if (!sas_iounit_pg0) {
4841 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4842 ioc->name, __FILE__, __LINE__, __func__);
4843 return;
4844 }
4845
4846 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4847 sas_iounit_pg0, sz)) != 0)
4848 goto out;
4849 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4850 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4851 goto out;
4852 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4853 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4854 if (i == 0)
4855 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4856 PhyData[0].ControllerDevHandle);
4857 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4858 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4859 AttachedDevHandle);
4860 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4861 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4862 mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4863 attached_handle, i, link_rate);
4864 }
4865 out:
4866 kfree(sas_iounit_pg0);
4867}
4868
4869/**
4870 * _scsih_sas_host_add - create sas host object
4871 * @ioc: per adapter object
4872 *
4873 * Creating host side data object, stored in ioc->sas_hba
4874 *
4875 * Return nothing.
4876 */
4877static void
4878_scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
4879{
4880 int i;
4881 Mpi2ConfigReply_t mpi_reply;
4882 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4883 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4884 Mpi2SasPhyPage0_t phy_pg0;
4885 Mpi2SasDevicePage0_t sas_device_pg0;
4886 Mpi2SasEnclosurePage0_t enclosure_pg0;
4887 u16 ioc_status;
4888 u16 sz;
4889 u16 device_missing_delay;
4890
4891 mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
4892 if (!ioc->sas_hba.num_phys) {
4893 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4894 ioc->name, __FILE__, __LINE__, __func__);
4895 return;
4896 }
4897
4898 /* sas_iounit page 0 */
4899 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4900 sizeof(Mpi2SasIOUnit0PhyData_t));
4901 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4902 if (!sas_iounit_pg0) {
4903 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4904 ioc->name, __FILE__, __LINE__, __func__);
4905 return;
4906 }
4907 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4908 sas_iounit_pg0, sz))) {
4909 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4910 ioc->name, __FILE__, __LINE__, __func__);
4911 goto out;
4912 }
4913 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4914 MPI2_IOCSTATUS_MASK;
4915 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4916 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4917 ioc->name, __FILE__, __LINE__, __func__);
4918 goto out;
4919 }
4920
4921 /* sas_iounit page 1 */
4922 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4923 sizeof(Mpi2SasIOUnit1PhyData_t));
4924 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4925 if (!sas_iounit_pg1) {
4926 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4927 ioc->name, __FILE__, __LINE__, __func__);
4928 goto out;
4929 }
4930 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4931 sas_iounit_pg1, sz))) {
4932 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4933 ioc->name, __FILE__, __LINE__, __func__);
4934 goto out;
4935 }
4936 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4937 MPI2_IOCSTATUS_MASK;
4938 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4939 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4940 ioc->name, __FILE__, __LINE__, __func__);
4941 goto out;
4942 }
4943
4944 ioc->io_missing_delay =
4945 le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
4946 device_missing_delay =
4947 le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
4948 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4949 ioc->device_missing_delay = (device_missing_delay &
4950 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4951 else
4952 ioc->device_missing_delay = device_missing_delay &
4953 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4954
4955 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
4956 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
4957 sizeof(struct _sas_phy), GFP_KERNEL);
4958 if (!ioc->sas_hba.phy) {
4959 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4960 ioc->name, __FILE__, __LINE__, __func__);
4961 goto out;
4962 }
4963 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4964 if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4965 i))) {
4966 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4967 ioc->name, __FILE__, __LINE__, __func__);
4968 goto out;
4969 }
4970 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4971 MPI2_IOCSTATUS_MASK;
4972 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4973 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4974 ioc->name, __FILE__, __LINE__, __func__);
4975 goto out;
4976 }
4977
4978 if (i == 0)
4979 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4980 PhyData[0].ControllerDevHandle);
4981 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4982 ioc->sas_hba.phy[i].phy_id = i;
4983 mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
4984 phy_pg0, ioc->sas_hba.parent_dev);
4985 }
4986 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4987 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
4988 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4989 ioc->name, __FILE__, __LINE__, __func__);
4990 goto out;
4991 }
4992 ioc->sas_hba.enclosure_handle =
4993 le16_to_cpu(sas_device_pg0.EnclosureHandle);
4994 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
4995 printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
4996 "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
4997 (unsigned long long) ioc->sas_hba.sas_address,
4998 ioc->sas_hba.num_phys) ;
4999
5000 if (ioc->sas_hba.enclosure_handle) {
5001 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5002 &enclosure_pg0,
5003 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5004 ioc->sas_hba.enclosure_handle))) {
5005 ioc->sas_hba.enclosure_logical_id =
5006 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5007 }
5008 }
5009
5010 out:
5011 kfree(sas_iounit_pg1);
5012 kfree(sas_iounit_pg0);
5013}
5014
5015/**
5016 * _scsih_expander_add - creating expander object
5017 * @ioc: per adapter object
5018 * @handle: expander handle
5019 *
5020 * Creating expander object, stored in ioc->sas_expander_list.
5021 *
5022 * Return 0 for success, else error.
5023 */
5024static int
5025_scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
5026{
5027 struct _sas_node *sas_expander;
5028 Mpi2ConfigReply_t mpi_reply;
5029 Mpi2ExpanderPage0_t expander_pg0;
5030 Mpi2ExpanderPage1_t expander_pg1;
5031 Mpi2SasEnclosurePage0_t enclosure_pg0;
5032 u32 ioc_status;
5033 u16 parent_handle;
5034 u64 sas_address, sas_address_parent = 0;
5035 int i;
5036 unsigned long flags;
5037 struct _sas_port *mpt2sas_port = NULL;
5038 int rc = 0;
5039
5040 if (!handle)
5041 return -1;
5042
5043 if (ioc->shost_recovery || ioc->pci_error_recovery)
5044 return -1;
5045
5046 if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5047 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5048 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5049 ioc->name, __FILE__, __LINE__, __func__);
5050 return -1;
5051 }
5052
5053 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5054 MPI2_IOCSTATUS_MASK;
5055 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5056 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5057 ioc->name, __FILE__, __LINE__, __func__);
5058 return -1;
5059 }
5060
5061 /* handle out of order topology events */
5062 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5063 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5064 != 0) {
5065 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5066 ioc->name, __FILE__, __LINE__, __func__);
5067 return -1;
5068 }
5069 if (sas_address_parent != ioc->sas_hba.sas_address) {
5070 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5071 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
5072 sas_address_parent);
5073 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5074 if (!sas_expander) {
5075 rc = _scsih_expander_add(ioc, parent_handle);
5076 if (rc != 0)
5077 return rc;
5078 }
5079 }
5080
5081 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5082 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5083 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
5084 sas_address);
5085 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5086
5087 if (sas_expander)
5088 return 0;
5089
5090 sas_expander = kzalloc(sizeof(struct _sas_node),
5091 GFP_KERNEL);
5092 if (!sas_expander) {
5093 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5094 ioc->name, __FILE__, __LINE__, __func__);
5095 return -1;
5096 }
5097
5098 sas_expander->handle = handle;
5099 sas_expander->num_phys = expander_pg0.NumPhys;
5100 sas_expander->sas_address_parent = sas_address_parent;
5101 sas_expander->sas_address = sas_address;
5102
5103 printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
5104 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5105 handle, parent_handle, (unsigned long long)
5106 sas_expander->sas_address, sas_expander->num_phys);
5107
5108 if (!sas_expander->num_phys)
5109 goto out_fail;
5110 sas_expander->phy = kcalloc(sas_expander->num_phys,
5111 sizeof(struct _sas_phy), GFP_KERNEL);
5112 if (!sas_expander->phy) {
5113 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5114 ioc->name, __FILE__, __LINE__, __func__);
5115 rc = -1;
5116 goto out_fail;
5117 }
5118
5119 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5120 mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
5121 sas_address_parent);
5122 if (!mpt2sas_port) {
5123 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5124 ioc->name, __FILE__, __LINE__, __func__);
5125 rc = -1;
5126 goto out_fail;
5127 }
5128 sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
5129
5130 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5131 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
5132 &expander_pg1, i, handle))) {
5133 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5134 ioc->name, __FILE__, __LINE__, __func__);
5135 rc = -1;
5136 goto out_fail;
5137 }
5138 sas_expander->phy[i].handle = handle;
5139 sas_expander->phy[i].phy_id = i;
5140
5141 if ((mpt2sas_transport_add_expander_phy(ioc,
5142 &sas_expander->phy[i], expander_pg1,
5143 sas_expander->parent_dev))) {
5144 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5145 ioc->name, __FILE__, __LINE__, __func__);
5146 rc = -1;
5147 goto out_fail;
5148 }
5149 }
5150
5151 if (sas_expander->enclosure_handle) {
5152 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5153 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5154 sas_expander->enclosure_handle))) {
5155 sas_expander->enclosure_logical_id =
5156 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5157 }
5158 }
5159
5160 _scsih_expander_node_add(ioc, sas_expander);
5161 return 0;
5162
5163 out_fail:
5164
5165 if (mpt2sas_port)
5166 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
5167 sas_address_parent);
5168 kfree(sas_expander);
5169 return rc;
5170}
5171
5172/**
5173 * _scsih_done - scsih callback handler.
5174 * @ioc: per adapter object
5175 * @smid: system request message index
5176 * @msix_index: MSIX table index supplied by the OS
5177 * @reply: reply message frame(lower 32bit addr)
5178 *
5179 * Callback handler when sending internal generated message frames.
5180 * The callback index passed is `ioc->scsih_cb_idx`
5181 *
5182 * Return 1 meaning mf should be freed from _base_interrupt
5183 * 0 means the mf is freed from this function.
5184 */
5185static u8
5186_scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5187{
5188 MPI2DefaultReply_t *mpi_reply;
5189
5190 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
5191 if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED)
5192 return 1;
5193 if (ioc->scsih_cmds.smid != smid)
5194 return 1;
5195 ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE;
5196 if (mpi_reply) {
5197 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5198 mpi_reply->MsgLength*4);
5199 ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID;
5200 }
5201 ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING;
5202 complete(&ioc->scsih_cmds.done);
5203 return 1;
5204}
5205
5206/**
5207 * mpt2sas_expander_remove - removing expander object
5208 * @ioc: per adapter object
5209 * @sas_address: expander sas_address
5210 *
5211 * Return nothing.
5212 */
5213void
5214mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
5215{
5216 struct _sas_node *sas_expander;
5217 unsigned long flags;
5218
5219 if (ioc->shost_recovery)
5220 return;
5221
5222 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5223 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
5224 sas_address);
5225 if (sas_expander)
5226 list_del(&sas_expander->list);
5227 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5228 if (sas_expander)
5229 _scsih_expander_node_remove(ioc, sas_expander);
5230}
5231
5232/**
5233 * _scsih_check_access_status - check access flags
5234 * @ioc: per adapter object
5235 * @sas_address: sas address
5236 * @handle: sas device handle
5237 * @access_flags: errors returned during discovery of the device
5238 *
5239 * Return 0 for success, else failure
5240 */
5241static u8
5242_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
5243 u16 handle, u8 access_status)
5244{
5245 u8 rc = 1;
5246 char *desc = NULL;
5247
5248 switch (access_status) {
5249 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5250 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5251 rc = 0;
5252 break;
5253 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5254 desc = "sata capability failed";
5255 break;
5256 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5257 desc = "sata affiliation conflict";
5258 break;
5259 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5260 desc = "route not addressable";
5261 break;
5262 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5263 desc = "smp error not addressable";
5264 break;
5265 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5266 desc = "device blocked";
5267 break;
5268 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5269 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5270 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5271 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5272 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5273 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5274 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5275 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5276 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5277 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5278 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5279 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5280 desc = "sata initialization failed";
5281 break;
5282 default:
5283 desc = "unknown";
5284 break;
5285 }
5286
5287 if (!rc)
5288 return 0;
5289
5290 printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
5291 "handle(0x%04x)\n", ioc->name, desc,
5292 (unsigned long long)sas_address, handle);
5293 return rc;
5294}
5295
5296static void
5297_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
5298{
5299 Mpi2ConfigReply_t mpi_reply;
5300 Mpi2SasDevicePage0_t sas_device_pg0;
5301 struct _sas_device *sas_device;
5302 u32 ioc_status;
5303 unsigned long flags;
5304 u64 sas_address;
5305 struct scsi_target *starget;
5306 struct MPT2SAS_TARGET *sas_target_priv_data;
5307 u32 device_info;
5308
5309
5310 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5311 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5312 return;
5313
5314 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5315 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5316 return;
5317
5318 /* check if this is end device */
5319 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5320 if (!(_scsih_is_end_device(device_info)))
5321 return;
5322
5323 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5324 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5325 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
5326 sas_address);
5327
5328 if (!sas_device) {
5329 printk(MPT2SAS_ERR_FMT "device is not present "
5330 "handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
5331 goto out_unlock;
5332 }
5333
5334 if (unlikely(sas_device->handle != handle)) {
5335 starget = sas_device->starget;
5336 sas_target_priv_data = starget->hostdata;
5337 starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
5338 " to (0x%04x)!!!\n", sas_device->handle, handle);
5339 sas_target_priv_data->handle = handle;
5340 sas_device->handle = handle;
5341 }
5342
5343 /* check if device is present */
5344 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5345 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5346 printk(MPT2SAS_ERR_FMT "device is not present "
5347 "handle(0x%04x), flags!!!\n", ioc->name, handle);
5348 goto out_unlock;
5349 }
5350
5351 /* check if there were any issues with discovery */
5352 if (_scsih_check_access_status(ioc, sas_address, handle,
5353 sas_device_pg0.AccessStatus))
5354 goto out_unlock;
5355
5356 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5357 _scsih_ublock_io_device(ioc, sas_address);
5358 if (sas_device)
5359 sas_device_put(sas_device);
5360 return;
5361
5362out_unlock:
5363 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5364 if (sas_device)
5365 sas_device_put(sas_device);
5366}
5367
5368/**
5369 * _scsih_add_device - creating sas device object
5370 * @ioc: per adapter object
5371 * @handle: sas device handle
5372 * @phy_num: phy number end device attached to
5373 * @is_pd: is this hidden raid component
5374 *
5375 * Creating end device object, stored in ioc->sas_device_list.
5376 *
5377 * Returns 0 for success, non-zero for failure.
5378 */
5379static int
5380_scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
5381{
5382 Mpi2ConfigReply_t mpi_reply;
5383 Mpi2SasDevicePage0_t sas_device_pg0;
5384 Mpi2SasEnclosurePage0_t enclosure_pg0;
5385 struct _sas_device *sas_device;
5386 u32 ioc_status;
5387 __le64 sas_address;
5388 u32 device_info;
5389
5390 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5391 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5392 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5393 ioc->name, __FILE__, __LINE__, __func__);
5394 return -1;
5395 }
5396
5397 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5398 MPI2_IOCSTATUS_MASK;
5399 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5400 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5401 ioc->name, __FILE__, __LINE__, __func__);
5402 return -1;
5403 }
5404
5405 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5406
5407 /* check if device is present */
5408 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5409 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5410 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5411 ioc->name, __FILE__, __LINE__, __func__);
5412 printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
5413 ioc->name, le16_to_cpu(sas_device_pg0.Flags));
5414 return -1;
5415 }
5416
5417 /* check if there were any issues with discovery */
5418 if (_scsih_check_access_status(ioc, sas_address, handle,
5419 sas_device_pg0.AccessStatus))
5420 return -1;
5421
5422 /* check if this is end device */
5423 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5424 if (!(_scsih_is_end_device(device_info))) {
5425 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5426 ioc->name, __FILE__, __LINE__, __func__);
5427 return -1;
5428 }
5429
5430 sas_device = mpt2sas_get_sdev_by_addr(ioc,
5431 sas_address);
5432
5433 if (sas_device) {
5434 sas_device_put(sas_device);
5435 return 0;
5436 }
5437
5438 sas_device = kzalloc(sizeof(struct _sas_device),
5439 GFP_KERNEL);
5440 if (!sas_device) {
5441 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5442 ioc->name, __FILE__, __LINE__, __func__);
5443 return -1;
5444 }
5445
5446 kref_init(&sas_device->refcount);
5447 sas_device->handle = handle;
5448 if (_scsih_get_sas_address(ioc, le16_to_cpu
5449 (sas_device_pg0.ParentDevHandle),
5450 &sas_device->sas_address_parent) != 0)
5451 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5452 ioc->name, __FILE__, __LINE__, __func__);
5453 sas_device->enclosure_handle =
5454 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5455 sas_device->slot =
5456 le16_to_cpu(sas_device_pg0.Slot);
5457 sas_device->device_info = device_info;
5458 sas_device->sas_address = sas_address;
5459 sas_device->phy = sas_device_pg0.PhyNum;
5460
5461 /* get enclosure_logical_id */
5462 if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
5463 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5464 sas_device->enclosure_handle)))
5465 sas_device->enclosure_logical_id =
5466 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5467
5468 /* get device name */
5469 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5470
5471 if (ioc->wait_for_discovery_to_complete)
5472 _scsih_sas_device_init_add(ioc, sas_device);
5473 else
5474 _scsih_sas_device_add(ioc, sas_device);
5475
5476 sas_device_put(sas_device);
5477 return 0;
5478}
5479
5480/**
5481 * _scsih_remove_device - removing sas device object
5482 * @ioc: per adapter object
5483 * @sas_device_delete: the sas_device object
5484 *
5485 * Return nothing.
5486 */
5487static void
5488_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
5489 struct _sas_device *sas_device)
5490{
5491 struct MPT2SAS_TARGET *sas_target_priv_data;
5492
5493 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5494 (sas_device->pfa_led_on)) {
5495 _scsih_turn_off_pfa_led(ioc, sas_device);
5496 sas_device->pfa_led_on = 0;
5497 }
5498
5499 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
5500 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
5501 sas_device->handle, (unsigned long long)
5502 sas_device->sas_address));
5503
5504 if (sas_device->starget && sas_device->starget->hostdata) {
5505 sas_target_priv_data = sas_device->starget->hostdata;
5506 sas_target_priv_data->deleted = 1;
5507 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5508 sas_target_priv_data->handle =
5509 MPT2SAS_INVALID_DEVICE_HANDLE;
5510 }
5511
5512 if (!ioc->hide_drives)
5513 mpt2sas_transport_port_remove(ioc,
5514 sas_device->sas_address,
5515 sas_device->sas_address_parent);
5516
5517 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
5518 "(0x%016llx)\n", ioc->name, sas_device->handle,
5519 (unsigned long long) sas_device->sas_address);
5520
5521 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
5522 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
5523 sas_device->handle, (unsigned long long)
5524 sas_device->sas_address));
5525}
5526/**
5527 * _scsih_device_remove_by_handle - removing device object by handle
5528 * @ioc: per adapter object
5529 * @handle: device handle
5530 *
5531 * Return nothing.
5532 */
5533static void
5534_scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
5535{
5536 struct _sas_device *sas_device;
5537 unsigned long flags;
5538
5539 if (ioc->shost_recovery)
5540 return;
5541
5542 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5543 sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
5544 if (sas_device) {
5545 list_del_init(&sas_device->list);
5546 sas_device_put(sas_device);
5547 }
5548 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5549
5550 if (sas_device) {
5551 _scsih_remove_device(ioc, sas_device);
5552 sas_device_put(sas_device);
5553 }
5554}
5555
5556/**
5557 * mpt2sas_device_remove_by_sas_address - removing device object by sas address
5558 * @ioc: per adapter object
5559 * @sas_address: device sas_address
5560 *
5561 * Return nothing.
5562 */
5563void
5564mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
5565 u64 sas_address)
5566{
5567 struct _sas_device *sas_device;
5568 unsigned long flags;
5569
5570 if (ioc->shost_recovery)
5571 return;
5572
5573 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5574 sas_device = __mpt2sas_get_sdev_by_addr(ioc, sas_address);
5575 if (sas_device) {
5576 list_del_init(&sas_device->list);
5577 sas_device_put(sas_device);
5578 }
5579 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5580
5581 if (sas_device) {
5582 _scsih_remove_device(ioc, sas_device);
5583 sas_device_put(sas_device);
5584 }
5585}
5586#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5587/**
5588 * _scsih_sas_topology_change_event_debug - debug for topology event
5589 * @ioc: per adapter object
5590 * @event_data: event data payload
5591 * Context: user.
5592 */
5593static void
5594_scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5595 Mpi2EventDataSasTopologyChangeList_t *event_data)
5596{
5597 int i;
5598 u16 handle;
5599 u16 reason_code;
5600 u8 phy_number;
5601 char *status_str = NULL;
5602 u8 link_rate, prev_link_rate;
5603
5604 switch (event_data->ExpStatus) {
5605 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5606 status_str = "add";
5607 break;
5608 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5609 status_str = "remove";
5610 break;
5611 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5612 case 0:
5613 status_str = "responding";
5614 break;
5615 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5616 status_str = "remove delay";
5617 break;
5618 default:
5619 status_str = "unknown status";
5620 break;
5621 }
5622 printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n",
5623 ioc->name, status_str);
5624 printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) "
5625 "start_phy(%02d), count(%d)\n",
5626 le16_to_cpu(event_data->ExpanderDevHandle),
5627 le16_to_cpu(event_data->EnclosureHandle),
5628 event_data->StartPhyNum, event_data->NumEntries);
5629 for (i = 0; i < event_data->NumEntries; i++) {
5630 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5631 if (!handle)
5632 continue;
5633 phy_number = event_data->StartPhyNum + i;
5634 reason_code = event_data->PHY[i].PhyStatus &
5635 MPI2_EVENT_SAS_TOPO_RC_MASK;
5636 switch (reason_code) {
5637 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5638 status_str = "target add";
5639 break;
5640 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5641 status_str = "target remove";
5642 break;
5643 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5644 status_str = "delay target remove";
5645 break;
5646 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5647 status_str = "link rate change";
5648 break;
5649 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5650 status_str = "target responding";
5651 break;
5652 default:
5653 status_str = "unknown";
5654 break;
5655 }
5656 link_rate = event_data->PHY[i].LinkRate >> 4;
5657 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5658 printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:"
5659 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5660 handle, status_str, link_rate, prev_link_rate);
5661
5662 }
5663}
5664#endif
5665
5666/**
5667 * _scsih_sas_topology_change_event - handle topology changes
5668 * @ioc: per adapter object
5669 * @fw_event: The fw_event_work object
5670 * Context: user.
5671 *
5672 */
5673static void
5674_scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
5675 struct fw_event_work *fw_event)
5676{
5677 int i;
5678 u16 parent_handle, handle;
5679 u16 reason_code;
5680 u8 phy_number, max_phys;
5681 struct _sas_node *sas_expander;
5682 u64 sas_address;
5683 unsigned long flags;
5684 u8 link_rate, prev_link_rate;
5685 Mpi2EventDataSasTopologyChangeList_t *event_data =
5686 (Mpi2EventDataSasTopologyChangeList_t *)
5687 fw_event->event_data;
5688
5689#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5690 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5691 _scsih_sas_topology_change_event_debug(ioc, event_data);
5692#endif
5693
5694 if (ioc->remove_host || ioc->pci_error_recovery)
5695 return;
5696
5697 if (!ioc->sas_hba.num_phys)
5698 _scsih_sas_host_add(ioc);
5699 else
5700 _scsih_sas_host_refresh(ioc);
5701
5702 if (fw_event->ignore) {
5703 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander "
5704 "event\n", ioc->name));
5705 return;
5706 }
5707
5708 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5709
5710 /* handle expander add */
5711 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5712 if (_scsih_expander_add(ioc, parent_handle) != 0)
5713 return;
5714
5715 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5716 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
5717 parent_handle);
5718 if (sas_expander) {
5719 sas_address = sas_expander->sas_address;
5720 max_phys = sas_expander->num_phys;
5721 } else if (parent_handle < ioc->sas_hba.num_phys) {
5722 sas_address = ioc->sas_hba.sas_address;
5723 max_phys = ioc->sas_hba.num_phys;
5724 } else {
5725 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5726 return;
5727 }
5728 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5729
5730 /* handle siblings events */
5731 for (i = 0; i < event_data->NumEntries; i++) {
5732 if (fw_event->ignore) {
5733 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring "
5734 "expander event\n", ioc->name));
5735 return;
5736 }
5737 if (ioc->shost_recovery || ioc->remove_host ||
5738 ioc->pci_error_recovery)
5739 return;
5740 phy_number = event_data->StartPhyNum + i;
5741 if (phy_number >= max_phys)
5742 continue;
5743 reason_code = event_data->PHY[i].PhyStatus &
5744 MPI2_EVENT_SAS_TOPO_RC_MASK;
5745 if ((event_data->PHY[i].PhyStatus &
5746 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5747 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5748 continue;
5749 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5750 if (!handle)
5751 continue;
5752 link_rate = event_data->PHY[i].LinkRate >> 4;
5753 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5754 switch (reason_code) {
5755 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5756
5757 if (ioc->shost_recovery)
5758 break;
5759
5760 if (link_rate == prev_link_rate)
5761 break;
5762
5763 mpt2sas_transport_update_links(ioc, sas_address,
5764 handle, phy_number, link_rate);
5765
5766 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5767 break;
5768
5769 _scsih_check_device(ioc, handle);
5770 break;
5771 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5772
5773 if (ioc->shost_recovery)
5774 break;
5775
5776 mpt2sas_transport_update_links(ioc, sas_address,
5777 handle, phy_number, link_rate);
5778
5779 _scsih_add_device(ioc, handle, phy_number, 0);
5780 break;
5781 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5782
5783 _scsih_device_remove_by_handle(ioc, handle);
5784 break;
5785 }
5786 }
5787
5788 /* handle expander removal */
5789 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5790 sas_expander)
5791 mpt2sas_expander_remove(ioc, sas_address);
5792
5793}
5794
5795#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5796/**
5797 * _scsih_sas_device_status_change_event_debug - debug for device event
5798 * @event_data: event data payload
5799 * Context: user.
5800 *
5801 * Return nothing.
5802 */
5803static void
5804_scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5805 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5806{
5807 char *reason_str = NULL;
5808
5809 switch (event_data->ReasonCode) {
5810 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5811 reason_str = "smart data";
5812 break;
5813 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5814 reason_str = "unsupported device discovered";
5815 break;
5816 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5817 reason_str = "internal device reset";
5818 break;
5819 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5820 reason_str = "internal task abort";
5821 break;
5822 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5823 reason_str = "internal task abort set";
5824 break;
5825 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5826 reason_str = "internal clear task set";
5827 break;
5828 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5829 reason_str = "internal query task";
5830 break;
5831 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5832 reason_str = "sata init failure";
5833 break;
5834 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5835 reason_str = "internal device reset complete";
5836 break;
5837 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5838 reason_str = "internal task abort complete";
5839 break;
5840 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5841 reason_str = "internal async notification";
5842 break;
5843 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5844 reason_str = "expander reduced functionality";
5845 break;
5846 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5847 reason_str = "expander reduced functionality complete";
5848 break;
5849 default:
5850 reason_str = "unknown reason";
5851 break;
5852 }
5853 printk(MPT2SAS_INFO_FMT "device status change: (%s)\n"
5854 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5855 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5856 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5857 le16_to_cpu(event_data->TaskTag));
5858 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5859 printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5860 event_data->ASC, event_data->ASCQ);
5861 printk(KERN_INFO "\n");
5862}
5863#endif
5864
5865/**
5866 * _scsih_sas_device_status_change_event - handle device status change
5867 * @ioc: per adapter object
5868 * @fw_event: The fw_event_work object
5869 * Context: user.
5870 *
5871 * Return nothing.
5872 */
5873static void
5874_scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
5875 struct fw_event_work *fw_event)
5876{
5877 struct MPT2SAS_TARGET *target_priv_data;
5878 struct _sas_device *sas_device;
5879 u64 sas_address;
5880 unsigned long flags;
5881 Mpi2EventDataSasDeviceStatusChange_t *event_data =
5882 (Mpi2EventDataSasDeviceStatusChange_t *)
5883 fw_event->event_data;
5884
5885#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5886 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5887 _scsih_sas_device_status_change_event_debug(ioc,
5888 event_data);
5889#endif
5890
5891 /* In MPI Revision K (0xC), the internal device reset complete was
5892 * implemented, so avoid setting tm_busy flag for older firmware.
5893 */
5894 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5895 return;
5896
5897 if (event_data->ReasonCode !=
5898 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5899 event_data->ReasonCode !=
5900 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5901 return;
5902
5903 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5904 sas_address = le64_to_cpu(event_data->SASAddress);
5905 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
5906 sas_address);
5907
5908 if (!sas_device || !sas_device->starget)
5909 goto out;
5910
5911 target_priv_data = sas_device->starget->hostdata;
5912 if (!target_priv_data)
5913 goto out;
5914
5915 if (event_data->ReasonCode ==
5916 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
5917 target_priv_data->tm_busy = 1;
5918 else
5919 target_priv_data->tm_busy = 0;
5920
5921out:
5922 if (sas_device)
5923 sas_device_put(sas_device);
5924
5925 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5926
5927}
5928
5929#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5930/**
5931 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
5932 * @ioc: per adapter object
5933 * @event_data: event data payload
5934 * Context: user.
5935 *
5936 * Return nothing.
5937 */
5938static void
5939_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5940 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
5941{
5942 char *reason_str = NULL;
5943
5944 switch (event_data->ReasonCode) {
5945 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
5946 reason_str = "enclosure add";
5947 break;
5948 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
5949 reason_str = "enclosure remove";
5950 break;
5951 default:
5952 reason_str = "unknown reason";
5953 break;
5954 }
5955
5956 printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n"
5957 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5958 " number slots(%d)\n", ioc->name, reason_str,
5959 le16_to_cpu(event_data->EnclosureHandle),
5960 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
5961 le16_to_cpu(event_data->StartSlot));
5962}
5963#endif
5964
5965/**
5966 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5967 * @ioc: per adapter object
5968 * @fw_event: The fw_event_work object
5969 * Context: user.
5970 *
5971 * Return nothing.
5972 */
5973static void
5974_scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
5975 struct fw_event_work *fw_event)
5976{
5977#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5978 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5979 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
5980 (Mpi2EventDataSasEnclDevStatusChange_t *)
5981 fw_event->event_data);
5982#endif
5983}
5984
5985/**
5986 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5987 * @ioc: per adapter object
5988 * @fw_event: The fw_event_work object
5989 * Context: user.
5990 *
5991 * Return nothing.
5992 */
5993static void
5994_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc,
5995 struct fw_event_work *fw_event)
5996{
5997 struct scsi_cmnd *scmd;
5998 struct scsi_device *sdev;
5999 u16 smid, handle;
6000 u32 lun;
6001 struct MPT2SAS_DEVICE *sas_device_priv_data;
6002 u32 termination_count;
6003 u32 query_count;
6004 Mpi2SCSITaskManagementReply_t *mpi_reply;
6005 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6006 (Mpi2EventDataSasBroadcastPrimitive_t *)
6007 fw_event->event_data;
6008 u16 ioc_status;
6009 unsigned long flags;
6010 int r;
6011 u8 max_retries = 0;
6012 u8 task_abort_retries;
6013
6014 mutex_lock(&ioc->tm_cmds.mutex);
6015 pr_info(MPT2SAS_FMT
6016 "%s: enter: phy number(%d), width(%d)\n",
6017 ioc->name, __func__, event_data->PhyNum,
6018 event_data->PortWidth);
6019
6020 _scsih_block_io_all_device(ioc);
6021
6022 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6023 mpi_reply = ioc->tm_cmds.reply;
6024broadcast_aen_retry:
6025
6026 /* sanity checks for retrying this loop */
6027 if (max_retries++ == 5) {
6028 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n",
6029 ioc->name, __func__));
6030 goto out;
6031 } else if (max_retries > 1)
6032 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n",
6033 ioc->name, __func__, max_retries - 1));
6034
6035 termination_count = 0;
6036 query_count = 0;
6037 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6038 if (ioc->shost_recovery)
6039 goto out;
6040 scmd = _scsih_scsi_lookup_get(ioc, smid);
6041 if (!scmd)
6042 continue;
6043 sdev = scmd->device;
6044 sas_device_priv_data = sdev->hostdata;
6045 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6046 continue;
6047 /* skip hidden raid components */
6048 if (sas_device_priv_data->sas_target->flags &
6049 MPT_TARGET_FLAGS_RAID_COMPONENT)
6050 continue;
6051 /* skip volumes */
6052 if (sas_device_priv_data->sas_target->flags &
6053 MPT_TARGET_FLAGS_VOLUME)
6054 continue;
6055
6056 handle = sas_device_priv_data->sas_target->handle;
6057 lun = sas_device_priv_data->lun;
6058 query_count++;
6059
6060 if (ioc->shost_recovery)
6061 goto out;
6062
6063 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6064 r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
6065 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
6066 TM_MUTEX_OFF);
6067 if (r == FAILED) {
6068 sdev_printk(KERN_WARNING, sdev,
6069 "mpt2sas_scsih_issue_tm: FAILED when sending "
6070 "QUERY_TASK: scmd(%p)\n", scmd);
6071 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6072 goto broadcast_aen_retry;
6073 }
6074 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6075 & MPI2_IOCSTATUS_MASK;
6076 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6077 sdev_printk(KERN_WARNING, sdev, "query task: FAILED "
6078 "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status,
6079 scmd);
6080 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6081 goto broadcast_aen_retry;
6082 }
6083
6084 /* see if IO is still owned by IOC and target */
6085 if (mpi_reply->ResponseCode ==
6086 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6087 mpi_reply->ResponseCode ==
6088 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6089 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6090 continue;
6091 }
6092 task_abort_retries = 0;
6093 tm_retry:
6094 if (task_abort_retries++ == 60) {
6095 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
6096 "%s: ABORT_TASK: giving up\n", ioc->name,
6097 __func__));
6098 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6099 goto broadcast_aen_retry;
6100 }
6101
6102 if (ioc->shost_recovery)
6103 goto out_no_lock;
6104
6105 r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
6106 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
6107 TM_MUTEX_OFF);
6108 if (r == FAILED) {
6109 sdev_printk(KERN_WARNING, sdev,
6110 "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6111 "scmd(%p)\n", scmd);
6112 goto tm_retry;
6113 }
6114
6115 if (task_abort_retries > 1)
6116 sdev_printk(KERN_WARNING, sdev,
6117 "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6118 " scmd(%p)\n",
6119 task_abort_retries - 1, scmd);
6120
6121 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6123 }
6124
6125 if (ioc->broadcast_aen_pending) {
6126 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to"
6127 " pending AEN\n", ioc->name, __func__));
6128 ioc->broadcast_aen_pending = 0;
6129 goto broadcast_aen_retry;
6130 }
6131
6132 out:
6133 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6134 out_no_lock:
6135
6136 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
6137 "%s - exit, query_count = %d termination_count = %d\n",
6138 ioc->name, __func__, query_count, termination_count));
6139
6140 ioc->broadcast_aen_busy = 0;
6141 if (!ioc->shost_recovery)
6142 _scsih_ublock_io_all_device(ioc);
6143 mutex_unlock(&ioc->tm_cmds.mutex);
6144}
6145
6146/**
6147 * _scsih_sas_discovery_event - handle discovery events
6148 * @ioc: per adapter object
6149 * @fw_event: The fw_event_work object
6150 * Context: user.
6151 *
6152 * Return nothing.
6153 */
6154static void
6155_scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
6156 struct fw_event_work *fw_event)
6157{
6158 Mpi2EventDataSasDiscovery_t *event_data =
6159 (Mpi2EventDataSasDiscovery_t *)
6160 fw_event->event_data;
6161
6162#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6163 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6164 printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name,
6165 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6166 "start" : "stop");
6167 if (event_data->DiscoveryStatus)
6168 printk("discovery_status(0x%08x)",
6169 le32_to_cpu(event_data->DiscoveryStatus));
6170 printk("\n");
6171 }
6172#endif
6173
6174 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6175 !ioc->sas_hba.num_phys) {
6176 if (disable_discovery > 0 && ioc->shost_recovery) {
6177 /* Wait for the reset to complete */
6178 while (ioc->shost_recovery)
6179 ssleep(1);
6180 }
6181 _scsih_sas_host_add(ioc);
6182 }
6183}
6184
6185/**
6186 * _scsih_reprobe_lun - reprobing lun
6187 * @sdev: scsi device struct
6188 * @no_uld_attach: sdev->no_uld_attach flag setting
6189 *
6190 **/
6191static void
6192_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6193{
6194 int rc;
6195
6196 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6197 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6198 sdev->no_uld_attach ? "hidding" : "exposing");
6199 rc = scsi_device_reprobe(sdev);
6200}
6201
6202/**
6203 * _scsih_sas_volume_add - add new volume
6204 * @ioc: per adapter object
6205 * @element: IR config element data
6206 * Context: user.
6207 *
6208 * Return nothing.
6209 */
6210static void
6211_scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
6212 Mpi2EventIrConfigElement_t *element)
6213{
6214 struct _raid_device *raid_device;
6215 unsigned long flags;
6216 u64 wwid;
6217 u16 handle = le16_to_cpu(element->VolDevHandle);
6218 int rc;
6219
6220 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
6221 if (!wwid) {
6222 printk(MPT2SAS_ERR_FMT
6223 "failure at %s:%d/%s()!\n", ioc->name,
6224 __FILE__, __LINE__, __func__);
6225 return;
6226 }
6227
6228 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6229 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6230 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6231
6232 if (raid_device)
6233 return;
6234
6235 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6236 if (!raid_device) {
6237 printk(MPT2SAS_ERR_FMT
6238 "failure at %s:%d/%s()!\n", ioc->name,
6239 __FILE__, __LINE__, __func__);
6240 return;
6241 }
6242
6243 raid_device->id = ioc->sas_id++;
6244 raid_device->channel = RAID_CHANNEL;
6245 raid_device->handle = handle;
6246 raid_device->wwid = wwid;
6247 _scsih_raid_device_add(ioc, raid_device);
6248 if (!ioc->wait_for_discovery_to_complete) {
6249 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6250 raid_device->id, 0);
6251 if (rc)
6252 _scsih_raid_device_remove(ioc, raid_device);
6253 } else {
6254 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6255 _scsih_determine_boot_device(ioc, raid_device, 1);
6256 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6257 }
6258}
6259
6260/**
6261 * _scsih_sas_volume_delete - delete volume
6262 * @ioc: per adapter object
6263 * @handle: volume device handle
6264 * Context: user.
6265 *
6266 * Return nothing.
6267 */
6268static void
6269_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle)
6270{
6271 struct _raid_device *raid_device;
6272 unsigned long flags;
6273 struct MPT2SAS_TARGET *sas_target_priv_data;
6274 struct scsi_target *starget = NULL;
6275
6276 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6277 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
6278 if (raid_device) {
6279 if (raid_device->starget) {
6280 starget = raid_device->starget;
6281 sas_target_priv_data = starget->hostdata;
6282 sas_target_priv_data->deleted = 1;
6283 }
6284 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
6285 "(0x%016llx)\n", ioc->name, raid_device->handle,
6286 (unsigned long long) raid_device->wwid);
6287 list_del(&raid_device->list);
6288 kfree(raid_device);
6289 }
6290 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6291 if (starget)
6292 scsi_remove_target(&starget->dev);
6293}
6294
6295/**
6296 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6297 * @ioc: per adapter object
6298 * @element: IR config element data
6299 * Context: user.
6300 *
6301 * Return nothing.
6302 */
6303static void
6304_scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
6305 Mpi2EventIrConfigElement_t *element)
6306{
6307 struct _sas_device *sas_device;
6308 struct scsi_target *starget = NULL;
6309 struct MPT2SAS_TARGET *sas_target_priv_data;
6310 unsigned long flags;
6311 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6312
6313 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6314 sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
6315 if (sas_device) {
6316 sas_device->volume_handle = 0;
6317 sas_device->volume_wwid = 0;
6318 clear_bit(handle, ioc->pd_handles);
6319 if (sas_device->starget && sas_device->starget->hostdata) {
6320 starget = sas_device->starget;
6321 sas_target_priv_data = starget->hostdata;
6322 sas_target_priv_data->flags &=
6323 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6324 }
6325 }
6326 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6327 if (!sas_device)
6328 return;
6329
6330 /* exposing raid component */
6331 if (starget)
6332 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
6333
6334 sas_device_put(sas_device);
6335}
6336
6337/**
6338 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6339 * @ioc: per adapter object
6340 * @element: IR config element data
6341 * Context: user.
6342 *
6343 * Return nothing.
6344 */
6345static void
6346_scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
6347 Mpi2EventIrConfigElement_t *element)
6348{
6349 struct _sas_device *sas_device;
6350 struct scsi_target *starget = NULL;
6351 struct MPT2SAS_TARGET *sas_target_priv_data;
6352 unsigned long flags;
6353 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6354 u16 volume_handle = 0;
6355 u64 volume_wwid = 0;
6356
6357 mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle);
6358 if (volume_handle)
6359 mpt2sas_config_get_volume_wwid(ioc, volume_handle,
6360 &volume_wwid);
6361
6362 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6363 sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
6364 if (sas_device) {
6365 set_bit(handle, ioc->pd_handles);
6366 if (sas_device->starget && sas_device->starget->hostdata) {
6367 starget = sas_device->starget;
6368 sas_target_priv_data = starget->hostdata;
6369 sas_target_priv_data->flags |=
6370 MPT_TARGET_FLAGS_RAID_COMPONENT;
6371 sas_device->volume_handle = volume_handle;
6372 sas_device->volume_wwid = volume_wwid;
6373 }
6374 }
6375 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6376 if (!sas_device)
6377 return;
6378
6379 /* hiding raid component */
6380 if (starget)
6381 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
6382
6383 sas_device_put(sas_device);
6384}
6385
6386/**
6387 * _scsih_sas_pd_delete - delete pd component
6388 * @ioc: per adapter object
6389 * @element: IR config element data
6390 * Context: user.
6391 *
6392 * Return nothing.
6393 */
6394static void
6395_scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
6396 Mpi2EventIrConfigElement_t *element)
6397{
6398 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6399
6400 _scsih_device_remove_by_handle(ioc, handle);
6401}
6402
6403/**
6404 * _scsih_sas_pd_add - remove pd component
6405 * @ioc: per adapter object
6406 * @element: IR config element data
6407 * Context: user.
6408 *
6409 * Return nothing.
6410 */
6411static void
6412_scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
6413 Mpi2EventIrConfigElement_t *element)
6414{
6415 struct _sas_device *sas_device;
6416 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6417 Mpi2ConfigReply_t mpi_reply;
6418 Mpi2SasDevicePage0_t sas_device_pg0;
6419 u32 ioc_status;
6420 u64 sas_address;
6421 u16 parent_handle;
6422
6423 set_bit(handle, ioc->pd_handles);
6424
6425 sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
6426 if (sas_device) {
6427 sas_device_put(sas_device);
6428 return;
6429 }
6430
6431 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6432 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6433 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6434 ioc->name, __FILE__, __LINE__, __func__);
6435 return;
6436 }
6437
6438 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6439 MPI2_IOCSTATUS_MASK;
6440 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6441 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6442 ioc->name, __FILE__, __LINE__, __func__);
6443 return;
6444 }
6445
6446 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6447 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6448 mpt2sas_transport_update_links(ioc, sas_address, handle,
6449 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6450
6451 _scsih_add_device(ioc, handle, 0, 1);
6452}
6453
6454#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6455/**
6456 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6457 * @ioc: per adapter object
6458 * @event_data: event data payload
6459 * Context: user.
6460 *
6461 * Return nothing.
6462 */
6463static void
6464_scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
6465 Mpi2EventDataIrConfigChangeList_t *event_data)
6466{
6467 Mpi2EventIrConfigElement_t *element;
6468 u8 element_type;
6469 int i;
6470 char *reason_str = NULL, *element_str = NULL;
6471
6472 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6473
6474 printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n",
6475 ioc->name, (le32_to_cpu(event_data->Flags) &
6476 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6477 "foreign" : "native", event_data->NumElements);
6478 for (i = 0; i < event_data->NumElements; i++, element++) {
6479 switch (element->ReasonCode) {
6480 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6481 reason_str = "add";
6482 break;
6483 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6484 reason_str = "remove";
6485 break;
6486 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6487 reason_str = "no change";
6488 break;
6489 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6490 reason_str = "hide";
6491 break;
6492 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6493 reason_str = "unhide";
6494 break;
6495 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6496 reason_str = "volume_created";
6497 break;
6498 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6499 reason_str = "volume_deleted";
6500 break;
6501 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6502 reason_str = "pd_created";
6503 break;
6504 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6505 reason_str = "pd_deleted";
6506 break;
6507 default:
6508 reason_str = "unknown reason";
6509 break;
6510 }
6511 element_type = le16_to_cpu(element->ElementFlags) &
6512 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6513 switch (element_type) {
6514 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6515 element_str = "volume";
6516 break;
6517 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6518 element_str = "phys disk";
6519 break;
6520 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6521 element_str = "hot spare";
6522 break;
6523 default:
6524 element_str = "unknown element";
6525 break;
6526 }
6527 printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), "
6528 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6529 reason_str, le16_to_cpu(element->VolDevHandle),
6530 le16_to_cpu(element->PhysDiskDevHandle),
6531 element->PhysDiskNum);
6532 }
6533}
6534#endif
6535
6536/**
6537 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6538 * @ioc: per adapter object
6539 * @fw_event: The fw_event_work object
6540 * Context: user.
6541 *
6542 * Return nothing.
6543 */
6544static void
6545_scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
6546 struct fw_event_work *fw_event)
6547{
6548 Mpi2EventIrConfigElement_t *element;
6549 int i;
6550 u8 foreign_config;
6551 Mpi2EventDataIrConfigChangeList_t *event_data =
6552 (Mpi2EventDataIrConfigChangeList_t *)
6553 fw_event->event_data;
6554
6555#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6556 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6557 && !ioc->hide_ir_msg)
6558 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6559
6560#endif
6561
6562 if (ioc->shost_recovery)
6563 return;
6564
6565 foreign_config = (le32_to_cpu(event_data->Flags) &
6566 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6567
6568 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6569 for (i = 0; i < event_data->NumElements; i++, element++) {
6570
6571 switch (element->ReasonCode) {
6572 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6573 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6574 if (!foreign_config)
6575 _scsih_sas_volume_add(ioc, element);
6576 break;
6577 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6578 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6579 if (!foreign_config)
6580 _scsih_sas_volume_delete(ioc,
6581 le16_to_cpu(element->VolDevHandle));
6582 break;
6583 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6584 if (!ioc->is_warpdrive)
6585 _scsih_sas_pd_hide(ioc, element);
6586 break;
6587 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6588 if (!ioc->is_warpdrive)
6589 _scsih_sas_pd_expose(ioc, element);
6590 break;
6591 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6592 if (!ioc->is_warpdrive)
6593 _scsih_sas_pd_add(ioc, element);
6594 break;
6595 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6596 if (!ioc->is_warpdrive)
6597 _scsih_sas_pd_delete(ioc, element);
6598 break;
6599 }
6600 }
6601}
6602
6603/**
6604 * _scsih_sas_ir_volume_event - IR volume event
6605 * @ioc: per adapter object
6606 * @fw_event: The fw_event_work object
6607 * Context: user.
6608 *
6609 * Return nothing.
6610 */
6611static void
6612_scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
6613 struct fw_event_work *fw_event)
6614{
6615 u64 wwid;
6616 unsigned long flags;
6617 struct _raid_device *raid_device;
6618 u16 handle;
6619 u32 state;
6620 int rc;
6621 Mpi2EventDataIrVolume_t *event_data =
6622 (Mpi2EventDataIrVolume_t *)
6623 fw_event->event_data;
6624
6625 if (ioc->shost_recovery)
6626 return;
6627
6628 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6629 return;
6630
6631 handle = le16_to_cpu(event_data->VolDevHandle);
6632 state = le32_to_cpu(event_data->NewValue);
6633 if (!ioc->hide_ir_msg)
6634 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
6635 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
6636 le32_to_cpu(event_data->PreviousValue), state));
6637
6638 switch (state) {
6639 case MPI2_RAID_VOL_STATE_MISSING:
6640 case MPI2_RAID_VOL_STATE_FAILED:
6641 _scsih_sas_volume_delete(ioc, handle);
6642 break;
6643
6644 case MPI2_RAID_VOL_STATE_ONLINE:
6645 case MPI2_RAID_VOL_STATE_DEGRADED:
6646 case MPI2_RAID_VOL_STATE_OPTIMAL:
6647
6648 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6649 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
6650 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6651
6652 if (raid_device)
6653 break;
6654
6655 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
6656 if (!wwid) {
6657 printk(MPT2SAS_ERR_FMT
6658 "failure at %s:%d/%s()!\n", ioc->name,
6659 __FILE__, __LINE__, __func__);
6660 break;
6661 }
6662
6663 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6664 if (!raid_device) {
6665 printk(MPT2SAS_ERR_FMT
6666 "failure at %s:%d/%s()!\n", ioc->name,
6667 __FILE__, __LINE__, __func__);
6668 break;
6669 }
6670
6671 raid_device->id = ioc->sas_id++;
6672 raid_device->channel = RAID_CHANNEL;
6673 raid_device->handle = handle;
6674 raid_device->wwid = wwid;
6675 _scsih_raid_device_add(ioc, raid_device);
6676 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6677 raid_device->id, 0);
6678 if (rc)
6679 _scsih_raid_device_remove(ioc, raid_device);
6680 break;
6681
6682 case MPI2_RAID_VOL_STATE_INITIALIZING:
6683 default:
6684 break;
6685 }
6686}
6687
6688/**
6689 * _scsih_sas_ir_physical_disk_event - PD event
6690 * @ioc: per adapter object
6691 * @fw_event: The fw_event_work object
6692 * Context: user.
6693 *
6694 * Return nothing.
6695 */
6696static void
6697_scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
6698 struct fw_event_work *fw_event)
6699{
6700 u16 handle, parent_handle;
6701 u32 state;
6702 struct _sas_device *sas_device;
6703 Mpi2ConfigReply_t mpi_reply;
6704 Mpi2SasDevicePage0_t sas_device_pg0;
6705 u32 ioc_status;
6706 Mpi2EventDataIrPhysicalDisk_t *event_data =
6707 (Mpi2EventDataIrPhysicalDisk_t *)
6708 fw_event->event_data;
6709 u64 sas_address;
6710
6711 if (ioc->shost_recovery)
6712 return;
6713
6714 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6715 return;
6716
6717 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6718 state = le32_to_cpu(event_data->NewValue);
6719
6720 if (!ioc->hide_ir_msg)
6721 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
6722 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
6723 le32_to_cpu(event_data->PreviousValue), state));
6724
6725 switch (state) {
6726 case MPI2_RAID_PD_STATE_ONLINE:
6727 case MPI2_RAID_PD_STATE_DEGRADED:
6728 case MPI2_RAID_PD_STATE_REBUILDING:
6729 case MPI2_RAID_PD_STATE_OPTIMAL:
6730 case MPI2_RAID_PD_STATE_HOT_SPARE:
6731
6732 if (!ioc->is_warpdrive)
6733 set_bit(handle, ioc->pd_handles);
6734
6735 sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
6736 if (sas_device) {
6737 sas_device_put(sas_device);
6738 return;
6739 }
6740
6741 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6742 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6743 handle))) {
6744 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6745 ioc->name, __FILE__, __LINE__, __func__);
6746 return;
6747 }
6748
6749 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6750 MPI2_IOCSTATUS_MASK;
6751 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6752 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6753 ioc->name, __FILE__, __LINE__, __func__);
6754 return;
6755 }
6756
6757 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6758 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6759 mpt2sas_transport_update_links(ioc, sas_address, handle,
6760 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6761
6762 _scsih_add_device(ioc, handle, 0, 1);
6763
6764 break;
6765
6766 case MPI2_RAID_PD_STATE_OFFLINE:
6767 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6768 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6769 default:
6770 break;
6771 }
6772}
6773
6774#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6775/**
6776 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6777 * @ioc: per adapter object
6778 * @event_data: event data payload
6779 * Context: user.
6780 *
6781 * Return nothing.
6782 */
6783static void
6784_scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
6785 Mpi2EventDataIrOperationStatus_t *event_data)
6786{
6787 char *reason_str = NULL;
6788
6789 switch (event_data->RAIDOperation) {
6790 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6791 reason_str = "resync";
6792 break;
6793 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6794 reason_str = "online capacity expansion";
6795 break;
6796 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6797 reason_str = "consistency check";
6798 break;
6799 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6800 reason_str = "background init";
6801 break;
6802 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6803 reason_str = "make data consistent";
6804 break;
6805 }
6806
6807 if (!reason_str)
6808 return;
6809
6810 printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
6811 "\thandle(0x%04x), percent complete(%d)\n",
6812 ioc->name, reason_str,
6813 le16_to_cpu(event_data->VolDevHandle),
6814 event_data->PercentComplete);
6815}
6816#endif
6817
6818/**
6819 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6820 * @ioc: per adapter object
6821 * @fw_event: The fw_event_work object
6822 * Context: user.
6823 *
6824 * Return nothing.
6825 */
6826static void
6827_scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
6828 struct fw_event_work *fw_event)
6829{
6830 Mpi2EventDataIrOperationStatus_t *event_data =
6831 (Mpi2EventDataIrOperationStatus_t *)
6832 fw_event->event_data;
6833 static struct _raid_device *raid_device;
6834 unsigned long flags;
6835 u16 handle;
6836
6837#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6838 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6839 && !ioc->hide_ir_msg)
6840 _scsih_sas_ir_operation_status_event_debug(ioc,
6841 event_data);
6842#endif
6843
6844 /* code added for raid transport support */
6845 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
6846
6847 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6848 handle = le16_to_cpu(event_data->VolDevHandle);
6849 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
6850 if (raid_device)
6851 raid_device->percent_complete =
6852 event_data->PercentComplete;
6853 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6854 }
6855}
6856
6857/**
6858 * _scsih_prep_device_scan - initialize parameters prior to device scan
6859 * @ioc: per adapter object
6860 *
6861 * Set the deleted flag prior to device scan. If the device is found during
6862 * the scan, then we clear the deleted flag.
6863 */
6864static void
6865_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
6866{
6867 struct MPT2SAS_DEVICE *sas_device_priv_data;
6868 struct scsi_device *sdev;
6869
6870 shost_for_each_device(sdev, ioc->shost) {
6871 sas_device_priv_data = sdev->hostdata;
6872 if (sas_device_priv_data && sas_device_priv_data->sas_target)
6873 sas_device_priv_data->sas_target->deleted = 1;
6874 }
6875}
6876
6877/**
6878 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6879 * @ioc: per adapter object
6880 * @sas_address: sas address
6881 * @slot: enclosure slot id
6882 * @handle: device handle
6883 *
6884 * After host reset, find out whether devices are still responding.
6885 * Used in _scsi_remove_unresponsive_sas_devices.
6886 *
6887 * Return nothing.
6888 */
6889static void
6890_scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
6891 u16 slot, u16 handle)
6892{
6893 struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
6894 struct scsi_target *starget;
6895 struct _sas_device *sas_device;
6896 unsigned long flags;
6897
6898 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6899 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
6900 if (sas_device->sas_address == sas_address &&
6901 sas_device->slot == slot) {
6902 sas_device->responding = 1;
6903 starget = sas_device->starget;
6904 if (starget && starget->hostdata) {
6905 sas_target_priv_data = starget->hostdata;
6906 sas_target_priv_data->tm_busy = 0;
6907 sas_target_priv_data->deleted = 0;
6908 } else
6909 sas_target_priv_data = NULL;
6910 if (starget)
6911 starget_printk(KERN_INFO, starget,
6912 "handle(0x%04x), sas_addr(0x%016llx), "
6913 "enclosure logical id(0x%016llx), "
6914 "slot(%d)\n", handle,
6915 (unsigned long long)sas_device->sas_address,
6916 (unsigned long long)
6917 sas_device->enclosure_logical_id,
6918 sas_device->slot);
6919 if (sas_device->handle == handle)
6920 goto out;
6921 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
6922 sas_device->handle);
6923 sas_device->handle = handle;
6924 if (sas_target_priv_data)
6925 sas_target_priv_data->handle = handle;
6926 goto out;
6927 }
6928 }
6929 out:
6930 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6931}
6932
6933/**
6934 * _scsih_search_responding_sas_devices -
6935 * @ioc: per adapter object
6936 *
6937 * After host reset, find out whether devices are still responding.
6938 * If not remove.
6939 *
6940 * Return nothing.
6941 */
6942static void
6943_scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
6944{
6945 Mpi2SasDevicePage0_t sas_device_pg0;
6946 Mpi2ConfigReply_t mpi_reply;
6947 u16 ioc_status;
6948 __le64 sas_address;
6949 u16 handle;
6950 u32 device_info;
6951 u16 slot;
6952
6953 printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name);
6954
6955 if (list_empty(&ioc->sas_device_list))
6956 goto out;
6957
6958 handle = 0xFFFF;
6959 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6960 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
6961 handle))) {
6962 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6963 MPI2_IOCSTATUS_MASK;
6964 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
6965 break;
6966 handle = le16_to_cpu(sas_device_pg0.DevHandle);
6967 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
6968 if (!(_scsih_is_end_device(device_info)))
6969 continue;
6970 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
6971 slot = le16_to_cpu(sas_device_pg0.Slot);
6972 _scsih_mark_responding_sas_device(ioc, sas_address, slot,
6973 handle);
6974 }
6975out:
6976 printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n",
6977 ioc->name);
6978}
6979
6980/**
6981 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6982 * @ioc: per adapter object
6983 * @wwid: world wide identifier for raid volume
6984 * @handle: device handle
6985 *
6986 * After host reset, find out whether devices are still responding.
6987 * Used in _scsi_remove_unresponsive_raid_devices.
6988 *
6989 * Return nothing.
6990 */
6991static void
6992_scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
6993 u16 handle)
6994{
6995 struct MPT2SAS_TARGET *sas_target_priv_data;
6996 struct scsi_target *starget;
6997 struct _raid_device *raid_device;
6998 unsigned long flags;
6999
7000 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7001 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7002 if (raid_device->wwid == wwid && raid_device->starget) {
7003 starget = raid_device->starget;
7004 if (starget && starget->hostdata) {
7005 sas_target_priv_data = starget->hostdata;
7006 sas_target_priv_data->deleted = 0;
7007 } else
7008 sas_target_priv_data = NULL;
7009 raid_device->responding = 1;
7010 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7011 starget_printk(KERN_INFO, raid_device->starget,
7012 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7013 (unsigned long long)raid_device->wwid);
7014 /*
7015 * WARPDRIVE: The handles of the PDs might have changed
7016 * across the host reset so re-initialize the
7017 * required data for Direct IO
7018 */
7019 _scsih_init_warpdrive_properties(ioc, raid_device);
7020 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7021 if (raid_device->handle == handle) {
7022 spin_unlock_irqrestore(&ioc->raid_device_lock,
7023 flags);
7024 return;
7025 }
7026 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
7027 raid_device->handle);
7028 raid_device->handle = handle;
7029 if (sas_target_priv_data)
7030 sas_target_priv_data->handle = handle;
7031 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7032 return;
7033 }
7034 }
7035
7036 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7037}
7038
7039/**
7040 * _scsih_search_responding_raid_devices -
7041 * @ioc: per adapter object
7042 *
7043 * After host reset, find out whether devices are still responding.
7044 * If not remove.
7045 *
7046 * Return nothing.
7047 */
7048static void
7049_scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
7050{
7051 Mpi2RaidVolPage1_t volume_pg1;
7052 Mpi2RaidVolPage0_t volume_pg0;
7053 Mpi2RaidPhysDiskPage0_t pd_pg0;
7054 Mpi2ConfigReply_t mpi_reply;
7055 u16 ioc_status;
7056 u16 handle;
7057 u8 phys_disk_num;
7058
7059 if (!ioc->ir_firmware)
7060 return;
7061
7062 printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n",
7063 ioc->name);
7064
7065 if (list_empty(&ioc->raid_device_list))
7066 goto out;
7067
7068 handle = 0xFFFF;
7069 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7070 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7071 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7072 MPI2_IOCSTATUS_MASK;
7073 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7074 break;
7075 handle = le16_to_cpu(volume_pg1.DevHandle);
7076
7077 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7078 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7079 sizeof(Mpi2RaidVolPage0_t)))
7080 continue;
7081
7082 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7083 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7084 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7085 _scsih_mark_responding_raid_device(ioc,
7086 le64_to_cpu(volume_pg1.WWID), handle);
7087 }
7088
7089 /* refresh the pd_handles */
7090 if (!ioc->is_warpdrive) {
7091 phys_disk_num = 0xFF;
7092 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7093 while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7094 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7095 phys_disk_num))) {
7096 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7097 MPI2_IOCSTATUS_MASK;
7098 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7099 break;
7100 phys_disk_num = pd_pg0.PhysDiskNum;
7101 handle = le16_to_cpu(pd_pg0.DevHandle);
7102 set_bit(handle, ioc->pd_handles);
7103 }
7104 }
7105out:
7106 printk(MPT2SAS_INFO_FMT "search for responding raid volumes: "
7107 "complete\n", ioc->name);
7108}
7109
7110/**
7111 * _scsih_mark_responding_expander - mark a expander as responding
7112 * @ioc: per adapter object
7113 * @sas_address: sas address
7114 * @handle:
7115 *
7116 * After host reset, find out whether devices are still responding.
7117 * Used in _scsi_remove_unresponsive_expanders.
7118 *
7119 * Return nothing.
7120 */
7121static void
7122_scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
7123 u16 handle)
7124{
7125 struct _sas_node *sas_expander;
7126 unsigned long flags;
7127 int i;
7128
7129 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7130 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7131 if (sas_expander->sas_address != sas_address)
7132 continue;
7133 sas_expander->responding = 1;
7134 if (sas_expander->handle == handle)
7135 goto out;
7136 printk(KERN_INFO "\texpander(0x%016llx): handle changed"
7137 " from(0x%04x) to (0x%04x)!!!\n",
7138 (unsigned long long)sas_expander->sas_address,
7139 sas_expander->handle, handle);
7140 sas_expander->handle = handle;
7141 for (i = 0 ; i < sas_expander->num_phys ; i++)
7142 sas_expander->phy[i].handle = handle;
7143 goto out;
7144 }
7145 out:
7146 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7147}
7148
7149/**
7150 * _scsih_search_responding_expanders -
7151 * @ioc: per adapter object
7152 *
7153 * After host reset, find out whether devices are still responding.
7154 * If not remove.
7155 *
7156 * Return nothing.
7157 */
7158static void
7159_scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
7160{
7161 Mpi2ExpanderPage0_t expander_pg0;
7162 Mpi2ConfigReply_t mpi_reply;
7163 u16 ioc_status;
7164 u64 sas_address;
7165 u16 handle;
7166
7167 printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name);
7168
7169 if (list_empty(&ioc->sas_expander_list))
7170 goto out;
7171
7172 handle = 0xFFFF;
7173 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7174 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7175
7176 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7177 MPI2_IOCSTATUS_MASK;
7178 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7179 break;
7180
7181 handle = le16_to_cpu(expander_pg0.DevHandle);
7182 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7183 printk(KERN_INFO "\texpander present: handle(0x%04x), "
7184 "sas_addr(0x%016llx)\n", handle,
7185 (unsigned long long)sas_address);
7186 _scsih_mark_responding_expander(ioc, sas_address, handle);
7187 }
7188
7189 out:
7190 printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name);
7191}
7192
7193/**
7194 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7195 * @ioc: per adapter object
7196 *
7197 * Return nothing.
7198 */
7199static void
7200_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
7201{
7202 struct _sas_device *sas_device, *sas_device_next;
7203 struct _sas_node *sas_expander, *sas_expander_next;
7204 struct _raid_device *raid_device, *raid_device_next;
7205 struct list_head tmp_list;
7206 unsigned long flags;
7207 LIST_HEAD(head);
7208
7209 printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n",
7210 ioc->name);
7211
7212 /* removing unresponding end devices */
7213 printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n",
7214 ioc->name);
7215
7216 /*
7217 * Iterate, pulling off devices marked as non-responding. We become the
7218 * owner for the reference the list had on any object we prune.
7219 */
7220 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7221 list_for_each_entry_safe(sas_device, sas_device_next,
7222 &ioc->sas_device_list, list) {
7223 if (!sas_device->responding)
7224 list_move_tail(&sas_device->list, &head);
7225 else
7226 sas_device->responding = 0;
7227 }
7228 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7229
7230 /*
7231 * Now, uninitialize and remove the unresponding devices we pruned.
7232 */
7233 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7234 _scsih_remove_device(ioc, sas_device);
7235 list_del_init(&sas_device->list);
7236 sas_device_put(sas_device);
7237 }
7238
7239 /* removing unresponding volumes */
7240 if (ioc->ir_firmware) {
7241 printk(MPT2SAS_INFO_FMT "removing unresponding devices: "
7242 "volumes\n", ioc->name);
7243 list_for_each_entry_safe(raid_device, raid_device_next,
7244 &ioc->raid_device_list, list) {
7245 if (!raid_device->responding)
7246 _scsih_sas_volume_delete(ioc,
7247 raid_device->handle);
7248 else
7249 raid_device->responding = 0;
7250 }
7251 }
7252 /* removing unresponding expanders */
7253 printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n",
7254 ioc->name);
7255 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7256 INIT_LIST_HEAD(&tmp_list);
7257 list_for_each_entry_safe(sas_expander, sas_expander_next,
7258 &ioc->sas_expander_list, list) {
7259 if (!sas_expander->responding)
7260 list_move_tail(&sas_expander->list, &tmp_list);
7261 else
7262 sas_expander->responding = 0;
7263 }
7264 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7265 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7266 list) {
7267 list_del(&sas_expander->list);
7268 _scsih_expander_node_remove(ioc, sas_expander);
7269 }
7270 printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n",
7271 ioc->name);
7272 /* unblock devices */
7273 _scsih_ublock_io_all_device(ioc);
7274}
7275
7276static void
7277_scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc,
7278 struct _sas_node *sas_expander, u16 handle)
7279{
7280 Mpi2ExpanderPage1_t expander_pg1;
7281 Mpi2ConfigReply_t mpi_reply;
7282 int i;
7283
7284 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7285 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
7286 &expander_pg1, i, handle))) {
7287 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
7288 ioc->name, __FILE__, __LINE__, __func__);
7289 return;
7290 }
7291
7292 mpt2sas_transport_update_links(ioc, sas_expander->sas_address,
7293 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7294 expander_pg1.NegotiatedLinkRate >> 4);
7295 }
7296}
7297
7298/**
7299 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7300 * @ioc: per adapter object
7301 *
7302 * Return nothing.
7303 */
7304static void
7305_scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc)
7306{
7307 Mpi2ExpanderPage0_t expander_pg0;
7308 Mpi2SasDevicePage0_t sas_device_pg0;
7309 Mpi2RaidVolPage1_t volume_pg1;
7310 Mpi2RaidVolPage0_t volume_pg0;
7311 Mpi2RaidPhysDiskPage0_t pd_pg0;
7312 Mpi2EventIrConfigElement_t element;
7313 Mpi2ConfigReply_t mpi_reply;
7314 u8 phys_disk_num;
7315 u16 ioc_status;
7316 u16 handle, parent_handle;
7317 u64 sas_address;
7318 struct _sas_device *sas_device;
7319 struct _sas_node *expander_device;
7320 static struct _raid_device *raid_device;
7321 u8 retry_count;
7322 unsigned long flags;
7323
7324 printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name);
7325
7326 _scsih_sas_host_refresh(ioc);
7327
7328 printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n",
7329 ioc->name);
7330 /* expanders */
7331 handle = 0xFFFF;
7332 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7333 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7334 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7335 MPI2_IOCSTATUS_MASK;
7336 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7337 printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: "
7338 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7339 ioc->name, ioc_status,
7340 le32_to_cpu(mpi_reply.IOCLogInfo));
7341 break;
7342 }
7343 handle = le16_to_cpu(expander_pg0.DevHandle);
7344 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7345 expander_device = mpt2sas_scsih_expander_find_by_sas_address(
7346 ioc, le64_to_cpu(expander_pg0.SASAddress));
7347 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7348 if (expander_device)
7349 _scsih_refresh_expander_links(ioc, expander_device,
7350 handle);
7351 else {
7352 printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: "
7353 "handle (0x%04x), sas_addr(0x%016llx)\n",
7354 ioc->name, handle, (unsigned long long)
7355 le64_to_cpu(expander_pg0.SASAddress));
7356 _scsih_expander_add(ioc, handle);
7357 printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: "
7358 "handle (0x%04x), sas_addr(0x%016llx)\n",
7359 ioc->name, handle, (unsigned long long)
7360 le64_to_cpu(expander_pg0.SASAddress));
7361 }
7362 }
7363
7364 printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n",
7365 ioc->name);
7366
7367 if (!ioc->ir_firmware)
7368 goto skip_to_sas;
7369
7370 printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name);
7371 /* phys disk */
7372 phys_disk_num = 0xFF;
7373 while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7374 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7375 phys_disk_num))) {
7376 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7377 MPI2_IOCSTATUS_MASK;
7378 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7379 printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:"
7380 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7381 ioc->name, ioc_status,
7382 le32_to_cpu(mpi_reply.IOCLogInfo));
7383 break;
7384 }
7385 phys_disk_num = pd_pg0.PhysDiskNum;
7386 handle = le16_to_cpu(pd_pg0.DevHandle);
7387 sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
7388 if (sas_device) {
7389 sas_device_put(sas_device);
7390 continue;
7391 }
7392 if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7393 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7394 handle) != 0)
7395 continue;
7396 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7397 MPI2_IOCSTATUS_MASK;
7398 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7399 printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan "
7400 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7401 ioc->name, ioc_status,
7402 le32_to_cpu(mpi_reply.IOCLogInfo));
7403 break;
7404 }
7405 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7406 if (!_scsih_get_sas_address(ioc, parent_handle,
7407 &sas_address)) {
7408 printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: "
7409 " handle (0x%04x), sas_addr(0x%016llx)\n",
7410 ioc->name, handle, (unsigned long long)
7411 le64_to_cpu(sas_device_pg0.SASAddress));
7412 mpt2sas_transport_update_links(ioc, sas_address,
7413 handle, sas_device_pg0.PhyNum,
7414 MPI2_SAS_NEG_LINK_RATE_1_5);
7415 set_bit(handle, ioc->pd_handles);
7416 retry_count = 0;
7417 /* This will retry adding the end device.
7418 * _scsih_add_device() will decide on retries and
7419 * return "1" when it should be retried
7420 */
7421 while (_scsih_add_device(ioc, handle, retry_count++,
7422 1)) {
7423 ssleep(1);
7424 }
7425 printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: "
7426 " handle (0x%04x), sas_addr(0x%016llx)\n",
7427 ioc->name, handle, (unsigned long long)
7428 le64_to_cpu(sas_device_pg0.SASAddress));
7429 }
7430 }
7431
7432 printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n",
7433 ioc->name);
7434
7435 printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name);
7436 /* volumes */
7437 handle = 0xFFFF;
7438 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7439 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7440 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7441 MPI2_IOCSTATUS_MASK;
7442 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7443 printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
7444 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7445 ioc->name, ioc_status,
7446 le32_to_cpu(mpi_reply.IOCLogInfo));
7447 break;
7448 }
7449 handle = le16_to_cpu(volume_pg1.DevHandle);
7450 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7451 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7452 le64_to_cpu(volume_pg1.WWID));
7453 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7454 if (raid_device)
7455 continue;
7456 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7457 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7458 sizeof(Mpi2RaidVolPage0_t)))
7459 continue;
7460 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7461 MPI2_IOCSTATUS_MASK;
7462 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7463 printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
7464 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7465 ioc->name, ioc_status,
7466 le32_to_cpu(mpi_reply.IOCLogInfo));
7467 break;
7468 }
7469 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7470 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7471 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7472 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7473 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7474 element.VolDevHandle = volume_pg1.DevHandle;
7475 printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: "
7476 " handle (0x%04x)\n", ioc->name,
7477 volume_pg1.DevHandle);
7478 _scsih_sas_volume_add(ioc, &element);
7479 printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: "
7480 " handle (0x%04x)\n", ioc->name,
7481 volume_pg1.DevHandle);
7482 }
7483 }
7484
7485 printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n",
7486 ioc->name);
7487
7488 skip_to_sas:
7489
7490 printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n",
7491 ioc->name);
7492 /* sas devices */
7493 handle = 0xFFFF;
7494 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7495 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7496 handle))) {
7497 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7498 MPI2_IOCSTATUS_MASK;
7499 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7500 printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:"
7501 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7502 ioc->name, ioc_status,
7503 le32_to_cpu(mpi_reply.IOCLogInfo));
7504 break;
7505 }
7506 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7507 if (!(_scsih_is_end_device(
7508 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7509 continue;
7510 sas_device = mpt2sas_get_sdev_by_addr(ioc,
7511 le64_to_cpu(sas_device_pg0.SASAddress));
7512 if (sas_device) {
7513 sas_device_put(sas_device);
7514 continue;
7515 }
7516 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7517 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7518 printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: "
7519 "handle (0x%04x), sas_addr(0x%016llx)\n",
7520 ioc->name, handle, (unsigned long long)
7521 le64_to_cpu(sas_device_pg0.SASAddress));
7522 mpt2sas_transport_update_links(ioc, sas_address, handle,
7523 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7524 retry_count = 0;
7525 /* This will retry adding the end device.
7526 * _scsih_add_device() will decide on retries and
7527 * return "1" when it should be retried
7528 */
7529 while (_scsih_add_device(ioc, handle, retry_count++,
7530 0)) {
7531 ssleep(1);
7532 }
7533 printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: "
7534 "handle (0x%04x), sas_addr(0x%016llx)\n",
7535 ioc->name, handle, (unsigned long long)
7536 le64_to_cpu(sas_device_pg0.SASAddress));
7537 }
7538 }
7539
7540 printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n",
7541 ioc->name);
7542
7543 printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name);
7544}
7545
7546
7547/**
7548 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
7549 * @ioc: per adapter object
7550 * @reset_phase: phase
7551 *
7552 * The handler for doing any required cleanup or initialization.
7553 *
7554 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
7555 * MPT2_IOC_DONE_RESET
7556 *
7557 * Return nothing.
7558 */
7559void
7560mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
7561{
7562 switch (reset_phase) {
7563 case MPT2_IOC_PRE_RESET:
7564 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
7565 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
7566 break;
7567 case MPT2_IOC_AFTER_RESET:
7568 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
7569 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
7570 if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
7571 ioc->scsih_cmds.status |= MPT2_CMD_RESET;
7572 mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7573 complete(&ioc->scsih_cmds.done);
7574 }
7575 if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
7576 ioc->tm_cmds.status |= MPT2_CMD_RESET;
7577 mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7578 complete(&ioc->tm_cmds.done);
7579 }
7580 _scsih_fw_event_cleanup_queue(ioc);
7581 _scsih_flush_running_cmds(ioc);
7582 break;
7583 case MPT2_IOC_DONE_RESET:
7584 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
7585 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
7586 _scsih_sas_host_refresh(ioc);
7587 _scsih_prep_device_scan(ioc);
7588 _scsih_search_responding_sas_devices(ioc);
7589 _scsih_search_responding_raid_devices(ioc);
7590 _scsih_search_responding_expanders(ioc);
7591 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7592 !ioc->sas_hba.num_phys)) {
7593 _scsih_prep_device_scan(ioc);
7594 _scsih_search_responding_sas_devices(ioc);
7595 _scsih_search_responding_raid_devices(ioc);
7596 _scsih_search_responding_expanders(ioc);
7597 _scsih_error_recovery_delete_devices(ioc);
7598 }
7599 break;
7600 }
7601}
7602
7603/**
7604 * _firmware_event_work - delayed task for processing firmware events
7605 * @ioc: per adapter object
7606 * @work: equal to the fw_event_work object
7607 * Context: user.
7608 *
7609 * Return nothing.
7610 */
7611static void
7612_firmware_event_work(struct work_struct *work)
7613{
7614 struct fw_event_work *fw_event = container_of(work,
7615 struct fw_event_work, delayed_work.work);
7616 struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
7617
7618 _scsih_fw_event_del_from_list(ioc, fw_event);
7619
7620 /* the queue is being flushed so ignore this event */
7621 if (ioc->remove_host || ioc->pci_error_recovery) {
7622 fw_event_work_put(fw_event);
7623 return;
7624 }
7625
7626 switch (fw_event->event) {
7627 case MPT2SAS_REMOVE_UNRESPONDING_DEVICES:
7628 while (scsi_host_in_recovery(ioc->shost) ||
7629 ioc->shost_recovery) {
7630 /*
7631 * If we're unloading, bail. Otherwise, this can become
7632 * an infinite loop.
7633 */
7634 if (ioc->remove_host)
7635 goto out;
7636
7637 ssleep(1);
7638 }
7639 _scsih_remove_unresponding_sas_devices(ioc);
7640 _scsih_scan_for_devices_after_reset(ioc);
7641 break;
7642 case MPT2SAS_PORT_ENABLE_COMPLETE:
7643 ioc->start_scan = 0;
7644
7645 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7646 mpt2sas_base_update_missing_delay(ioc, missing_delay[0],
7647 missing_delay[1]);
7648
7649 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
7650 "from worker thread\n", ioc->name));
7651 break;
7652 case MPT2SAS_TURN_ON_PFA_LED:
7653 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
7654 break;
7655 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7656 _scsih_sas_topology_change_event(ioc, fw_event);
7657 break;
7658 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7659 _scsih_sas_device_status_change_event(ioc,
7660 fw_event);
7661 break;
7662 case MPI2_EVENT_SAS_DISCOVERY:
7663 _scsih_sas_discovery_event(ioc,
7664 fw_event);
7665 break;
7666 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7667 _scsih_sas_broadcast_primitive_event(ioc,
7668 fw_event);
7669 break;
7670 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7671 _scsih_sas_enclosure_dev_status_change_event(ioc,
7672 fw_event);
7673 break;
7674 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7675 _scsih_sas_ir_config_change_event(ioc, fw_event);
7676 break;
7677 case MPI2_EVENT_IR_VOLUME:
7678 _scsih_sas_ir_volume_event(ioc, fw_event);
7679 break;
7680 case MPI2_EVENT_IR_PHYSICAL_DISK:
7681 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7682 break;
7683 case MPI2_EVENT_IR_OPERATION_STATUS:
7684 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7685 break;
7686 }
7687out:
7688 fw_event_work_put(fw_event);
7689}
7690
7691/**
7692 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
7693 * @ioc: per adapter object
7694 * @msix_index: MSIX table index supplied by the OS
7695 * @reply: reply message frame(lower 32bit addr)
7696 * Context: interrupt.
7697 *
7698 * This function merely adds a new work task into ioc->firmware_event_thread.
7699 * The tasks are worked from _firmware_event_work in user context.
7700 *
7701 * Returns void.
7702 */
7703void
7704mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
7705 u32 reply)
7706{
7707 struct fw_event_work *fw_event;
7708 Mpi2EventNotificationReply_t *mpi_reply;
7709 u16 event;
7710 u16 sz;
7711
7712 /* events turned off due to host reset or driver unloading */
7713 if (ioc->remove_host || ioc->pci_error_recovery)
7714 return;
7715
7716 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
7717
7718 if (unlikely(!mpi_reply)) {
7719 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7720 ioc->name, __FILE__, __LINE__, __func__);
7721 return;
7722 }
7723
7724 event = le16_to_cpu(mpi_reply->Event);
7725
7726 switch (event) {
7727 /* handle these */
7728 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7729 {
7730 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7731 (Mpi2EventDataSasBroadcastPrimitive_t *)
7732 mpi_reply->EventData;
7733
7734 if (baen_data->Primitive !=
7735 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7736 return;
7737
7738 if (ioc->broadcast_aen_busy) {
7739 ioc->broadcast_aen_pending++;
7740 return;
7741 } else
7742 ioc->broadcast_aen_busy = 1;
7743 break;
7744 }
7745
7746 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7747 _scsih_check_topo_delete_events(ioc,
7748 (Mpi2EventDataSasTopologyChangeList_t *)
7749 mpi_reply->EventData);
7750 break;
7751 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7752 _scsih_check_ir_config_unhide_events(ioc,
7753 (Mpi2EventDataIrConfigChangeList_t *)
7754 mpi_reply->EventData);
7755 break;
7756 case MPI2_EVENT_IR_VOLUME:
7757 _scsih_check_volume_delete_events(ioc,
7758 (Mpi2EventDataIrVolume_t *)
7759 mpi_reply->EventData);
7760 break;
7761 case MPI2_EVENT_LOG_ENTRY_ADDED:
7762 {
7763 Mpi2EventDataLogEntryAdded_t *log_entry;
7764 __le32 *log_code;
7765
7766 if (!ioc->is_warpdrive)
7767 break;
7768
7769 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7770 mpi_reply->EventData;
7771 log_code = (__le32 *)log_entry->LogData;
7772
7773 if (le16_to_cpu(log_entry->LogEntryQualifier)
7774 != MPT2_WARPDRIVE_LOGENTRY)
7775 break;
7776
7777 switch (le32_to_cpu(*log_code)) {
7778 case MPT2_WARPDRIVE_LC_SSDT:
7779 printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
7780 "IO Throttling has occurred in the WarpDrive "
7781 "subsystem. Check WarpDrive documentation for "
7782 "additional details.\n", ioc->name);
7783 break;
7784 case MPT2_WARPDRIVE_LC_SSDLW:
7785 printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
7786 "Program/Erase Cycles for the WarpDrive subsystem "
7787 "in degraded range. Check WarpDrive documentation "
7788 "for additional details.\n", ioc->name);
7789 break;
7790 case MPT2_WARPDRIVE_LC_SSDLF:
7791 printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
7792 "There are no Program/Erase Cycles for the "
7793 "WarpDrive subsystem. The storage device will be "
7794 "in read-only mode. Check WarpDrive documentation "
7795 "for additional details.\n", ioc->name);
7796 break;
7797 case MPT2_WARPDRIVE_LC_BRMF:
7798 printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
7799 "The Backup Rail Monitor has failed on the "
7800 "WarpDrive subsystem. Check WarpDrive "
7801 "documentation for additional details.\n",
7802 ioc->name);
7803 break;
7804 }
7805
7806 break;
7807 }
7808 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7809 case MPI2_EVENT_IR_OPERATION_STATUS:
7810 case MPI2_EVENT_SAS_DISCOVERY:
7811 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7812 case MPI2_EVENT_IR_PHYSICAL_DISK:
7813 break;
7814
7815 case MPI2_EVENT_TEMP_THRESHOLD:
7816 _scsih_temp_threshold_events(ioc,
7817 (Mpi2EventDataTemperature_t *)
7818 mpi_reply->EventData);
7819 break;
7820
7821 default: /* ignore the rest */
7822 return;
7823 }
7824
7825 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
7826 fw_event = alloc_fw_event_work(sz);
7827 if (!fw_event) {
7828 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
7829 ioc->name, __FILE__, __LINE__, __func__);
7830 return;
7831 }
7832
7833 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
7834 fw_event->ioc = ioc;
7835 fw_event->VF_ID = mpi_reply->VF_ID;
7836 fw_event->VP_ID = mpi_reply->VP_ID;
7837 fw_event->event = event;
7838 _scsih_fw_event_add(ioc, fw_event);
7839 fw_event_work_put(fw_event);
7840 return;
7841}
7842
7843/* shost template */
7844static struct scsi_host_template scsih_driver_template = {
7845 .module = THIS_MODULE,
7846 .name = "Fusion MPT SAS Host",
7847 .proc_name = MPT2SAS_DRIVER_NAME,
7848 .queuecommand = _scsih_qcmd,
7849 .target_alloc = _scsih_target_alloc,
7850 .slave_alloc = _scsih_slave_alloc,
7851 .slave_configure = _scsih_slave_configure,
7852 .target_destroy = _scsih_target_destroy,
7853 .slave_destroy = _scsih_slave_destroy,
7854 .scan_finished = _scsih_scan_finished,
7855 .scan_start = _scsih_scan_start,
7856 .change_queue_depth = _scsih_change_queue_depth,
7857 .eh_abort_handler = _scsih_abort,
7858 .eh_device_reset_handler = _scsih_dev_reset,
7859 .eh_target_reset_handler = _scsih_target_reset,
7860 .eh_host_reset_handler = _scsih_host_reset,
7861 .bios_param = _scsih_bios_param,
7862 .can_queue = 1,
7863 .this_id = -1,
7864 .sg_tablesize = MPT2SAS_SG_DEPTH,
7865 .max_sectors = 32767,
7866 .cmd_per_lun = 7,
7867 .use_clustering = ENABLE_CLUSTERING,
7868 .shost_attrs = mpt2sas_host_attrs,
7869 .sdev_attrs = mpt2sas_dev_attrs,
7870 .track_queue_depth = 1,
7871};
7872
7873/**
7874 * _scsih_expander_node_remove - removing expander device from list.
7875 * @ioc: per adapter object
7876 * @sas_expander: the sas_device object
7877 * Context: Calling function should acquire ioc->sas_node_lock.
7878 *
7879 * Removing object and freeing associated memory from the
7880 * ioc->sas_expander_list.
7881 *
7882 * Return nothing.
7883 */
7884static void
7885_scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
7886 struct _sas_node *sas_expander)
7887{
7888 struct _sas_port *mpt2sas_port, *next;
7889
7890 /* remove sibling ports attached to this expander */
7891 list_for_each_entry_safe(mpt2sas_port, next,
7892 &sas_expander->sas_port_list, port_list) {
7893 if (ioc->shost_recovery)
7894 return;
7895 if (mpt2sas_port->remote_identify.device_type ==
7896 SAS_END_DEVICE)
7897 mpt2sas_device_remove_by_sas_address(ioc,
7898 mpt2sas_port->remote_identify.sas_address);
7899 else if (mpt2sas_port->remote_identify.device_type ==
7900 SAS_EDGE_EXPANDER_DEVICE ||
7901 mpt2sas_port->remote_identify.device_type ==
7902 SAS_FANOUT_EXPANDER_DEVICE)
7903 mpt2sas_expander_remove(ioc,
7904 mpt2sas_port->remote_identify.sas_address);
7905 }
7906
7907 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
7908 sas_expander->sas_address_parent);
7909
7910 printk(MPT2SAS_INFO_FMT "expander_remove: handle"
7911 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7912 sas_expander->handle, (unsigned long long)
7913 sas_expander->sas_address);
7914
7915 kfree(sas_expander->phy);
7916 kfree(sas_expander);
7917}
7918
7919/**
7920 * _scsih_ir_shutdown - IR shutdown notification
7921 * @ioc: per adapter object
7922 *
7923 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7924 * the host system is shutting down.
7925 *
7926 * Return nothing.
7927 */
7928static void
7929_scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
7930{
7931 Mpi2RaidActionRequest_t *mpi_request;
7932 Mpi2RaidActionReply_t *mpi_reply;
7933 u16 smid;
7934
7935 /* is IR firmware build loaded ? */
7936 if (!ioc->ir_firmware)
7937 return;
7938
7939 mutex_lock(&ioc->scsih_cmds.mutex);
7940
7941 if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
7942 printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n",
7943 ioc->name, __func__);
7944 goto out;
7945 }
7946 ioc->scsih_cmds.status = MPT2_CMD_PENDING;
7947
7948 smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx);
7949 if (!smid) {
7950 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
7951 ioc->name, __func__);
7952 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
7953 goto out;
7954 }
7955
7956 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
7957 ioc->scsih_cmds.smid = smid;
7958 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
7959
7960 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
7961 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
7962
7963 if (!ioc->hide_ir_msg)
7964 printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name);
7965 init_completion(&ioc->scsih_cmds.done);
7966 mpt2sas_base_put_smid_default(ioc, smid);
7967 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
7968
7969 if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) {
7970 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
7971 ioc->name, __func__);
7972 goto out;
7973 }
7974
7975 if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) {
7976 mpi_reply = ioc->scsih_cmds.reply;
7977
7978 if (!ioc->hide_ir_msg)
7979 printk(MPT2SAS_INFO_FMT "IR shutdown (complete): "
7980 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7981 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
7982 le32_to_cpu(mpi_reply->IOCLogInfo));
7983 }
7984
7985 out:
7986 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
7987 mutex_unlock(&ioc->scsih_cmds.mutex);
7988}
7989
7990/**
7991 * _scsih_shutdown - routine call during system shutdown
7992 * @pdev: PCI device struct
7993 *
7994 * Return nothing.
7995 */
7996static void
7997_scsih_shutdown(struct pci_dev *pdev)
7998{
7999 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8000 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8001 struct workqueue_struct *wq;
8002 unsigned long flags;
8003
8004 ioc->remove_host = 1;
8005 _scsih_fw_event_cleanup_queue(ioc);
8006
8007 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8008 wq = ioc->firmware_event_thread;
8009 ioc->firmware_event_thread = NULL;
8010 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8011 if (wq)
8012 destroy_workqueue(wq);
8013
8014 _scsih_ir_shutdown(ioc);
8015 mpt2sas_base_detach(ioc);
8016}
8017
8018/**
8019 * _scsih_remove - detach and remove add host
8020 * @pdev: PCI device struct
8021 *
8022 * Routine called when unloading the driver.
8023 * Return nothing.
8024 */
8025static void
8026_scsih_remove(struct pci_dev *pdev)
8027{
8028 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8029 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8030 struct _sas_port *mpt2sas_port, *next_port;
8031 struct _raid_device *raid_device, *next;
8032 struct MPT2SAS_TARGET *sas_target_priv_data;
8033 struct workqueue_struct *wq;
8034 unsigned long flags;
8035
8036 ioc->remove_host = 1;
8037 _scsih_fw_event_cleanup_queue(ioc);
8038
8039 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8040 wq = ioc->firmware_event_thread;
8041 ioc->firmware_event_thread = NULL;
8042 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8043 if (wq)
8044 destroy_workqueue(wq);
8045
8046 /* release all the volumes */
8047 _scsih_ir_shutdown(ioc);
8048 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8049 list) {
8050 if (raid_device->starget) {
8051 sas_target_priv_data =
8052 raid_device->starget->hostdata;
8053 sas_target_priv_data->deleted = 1;
8054 scsi_remove_target(&raid_device->starget->dev);
8055 }
8056 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
8057 "(0x%016llx)\n", ioc->name, raid_device->handle,
8058 (unsigned long long) raid_device->wwid);
8059 _scsih_raid_device_remove(ioc, raid_device);
8060 }
8061
8062 /* free ports attached to the sas_host */
8063 list_for_each_entry_safe(mpt2sas_port, next_port,
8064 &ioc->sas_hba.sas_port_list, port_list) {
8065 if (mpt2sas_port->remote_identify.device_type ==
8066 SAS_END_DEVICE)
8067 mpt2sas_device_remove_by_sas_address(ioc,
8068 mpt2sas_port->remote_identify.sas_address);
8069 else if (mpt2sas_port->remote_identify.device_type ==
8070 SAS_EDGE_EXPANDER_DEVICE ||
8071 mpt2sas_port->remote_identify.device_type ==
8072 SAS_FANOUT_EXPANDER_DEVICE)
8073 mpt2sas_expander_remove(ioc,
8074 mpt2sas_port->remote_identify.sas_address);
8075 }
8076
8077 /* free phys attached to the sas_host */
8078 if (ioc->sas_hba.num_phys) {
8079 kfree(ioc->sas_hba.phy);
8080 ioc->sas_hba.phy = NULL;
8081 ioc->sas_hba.num_phys = 0;
8082 }
8083
8084 sas_remove_host(shost);
8085 scsi_remove_host(shost);
8086 mpt2sas_base_detach(ioc);
8087 spin_lock(&gioc_lock);
8088 list_del(&ioc->list);
8089 spin_unlock(&gioc_lock);
8090 scsi_host_put(shost);
8091}
8092
8093/**
8094 * _scsih_probe_boot_devices - reports 1st device
8095 * @ioc: per adapter object
8096 *
8097 * If specified in bios page 2, this routine reports the 1st
8098 * device scsi-ml or sas transport for persistent boot device
8099 * purposes. Please refer to function _scsih_determine_boot_device()
8100 */
8101static void
8102_scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
8103{
8104 u8 is_raid;
8105 void *device;
8106 struct _sas_device *sas_device;
8107 struct _raid_device *raid_device;
8108 u16 handle;
8109 u64 sas_address_parent;
8110 u64 sas_address;
8111 unsigned long flags;
8112 int rc;
8113
8114 /* no Bios, return immediately */
8115 if (!ioc->bios_pg3.BiosVersion)
8116 return;
8117
8118 device = NULL;
8119 is_raid = 0;
8120 if (ioc->req_boot_device.device) {
8121 device = ioc->req_boot_device.device;
8122 is_raid = ioc->req_boot_device.is_raid;
8123 } else if (ioc->req_alt_boot_device.device) {
8124 device = ioc->req_alt_boot_device.device;
8125 is_raid = ioc->req_alt_boot_device.is_raid;
8126 } else if (ioc->current_boot_device.device) {
8127 device = ioc->current_boot_device.device;
8128 is_raid = ioc->current_boot_device.is_raid;
8129 }
8130
8131 if (!device)
8132 return;
8133
8134 if (is_raid) {
8135 raid_device = device;
8136 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8137 raid_device->id, 0);
8138 if (rc)
8139 _scsih_raid_device_remove(ioc, raid_device);
8140 } else {
8141 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8142 sas_device = device;
8143 handle = sas_device->handle;
8144 sas_address_parent = sas_device->sas_address_parent;
8145 sas_address = sas_device->sas_address;
8146 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8147 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8148
8149 if (ioc->hide_drives)
8150 return;
8151 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
8152 sas_device->sas_address_parent)) {
8153 _scsih_sas_device_remove(ioc, sas_device);
8154 } else if (!sas_device->starget) {
8155 if (!ioc->is_driver_loading) {
8156 mpt2sas_transport_port_remove(ioc,
8157 sas_address,
8158 sas_address_parent);
8159 _scsih_sas_device_remove(ioc, sas_device);
8160 }
8161 }
8162 }
8163}
8164
8165/**
8166 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8167 * @ioc: per adapter object
8168 *
8169 * Called during initial loading of the driver.
8170 */
8171static void
8172_scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
8173{
8174 struct _raid_device *raid_device, *raid_next;
8175 int rc;
8176
8177 list_for_each_entry_safe(raid_device, raid_next,
8178 &ioc->raid_device_list, list) {
8179 if (raid_device->starget)
8180 continue;
8181 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8182 raid_device->id, 0);
8183 if (rc)
8184 _scsih_raid_device_remove(ioc, raid_device);
8185 }
8186}
8187
8188static struct _sas_device *get_next_sas_device(struct MPT2SAS_ADAPTER *ioc)
8189{
8190 struct _sas_device *sas_device = NULL;
8191 unsigned long flags;
8192
8193 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8194 if (!list_empty(&ioc->sas_device_init_list)) {
8195 sas_device = list_first_entry(&ioc->sas_device_init_list,
8196 struct _sas_device, list);
8197 sas_device_get(sas_device);
8198 }
8199 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8200
8201 return sas_device;
8202}
8203
8204static void sas_device_make_active(struct MPT2SAS_ADAPTER *ioc,
8205 struct _sas_device *sas_device)
8206{
8207 unsigned long flags;
8208
8209 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8210
8211 /*
8212 * Since we dropped the lock during the call to port_add(), we need to
8213 * be careful here that somebody else didn't move or delete this item
8214 * while we were busy with other things.
8215 *
8216 * If it was on the list, we need a put() for the reference the list
8217 * had. Either way, we need a get() for the destination list.
8218 */
8219 if (!list_empty(&sas_device->list)) {
8220 list_del_init(&sas_device->list);
8221 sas_device_put(sas_device);
8222 }
8223
8224 sas_device_get(sas_device);
8225 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8226
8227 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8228}
8229
8230/**
8231 * _scsih_probe_sas - reporting sas devices to sas transport
8232 * @ioc: per adapter object
8233 *
8234 * Called during initial loading of the driver.
8235 */
8236static void
8237_scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
8238{
8239 struct _sas_device *sas_device;
8240
8241 if (ioc->hide_drives)
8242 return;
8243
8244 while ((sas_device = get_next_sas_device(ioc))) {
8245 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
8246 sas_device->sas_address_parent)) {
8247 _scsih_sas_device_remove(ioc, sas_device);
8248 sas_device_put(sas_device);
8249 continue;
8250 } else if (!sas_device->starget) {
8251 if (!ioc->is_driver_loading) {
8252 mpt2sas_transport_port_remove(ioc,
8253 sas_device->sas_address,
8254 sas_device->sas_address_parent);
8255 _scsih_sas_device_remove(ioc, sas_device);
8256 sas_device_put(sas_device);
8257 continue;
8258 }
8259 }
8260
8261 sas_device_make_active(ioc, sas_device);
8262 sas_device_put(sas_device);
8263 }
8264}
8265
8266/**
8267 * _scsih_probe_devices - probing for devices
8268 * @ioc: per adapter object
8269 *
8270 * Called during initial loading of the driver.
8271 */
8272static void
8273_scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
8274{
8275 u16 volume_mapping_flags;
8276
8277 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8278 return; /* return when IOC doesn't support initiator mode */
8279
8280 _scsih_probe_boot_devices(ioc);
8281
8282 if (ioc->ir_firmware) {
8283 volume_mapping_flags =
8284 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8285 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8286 if (volume_mapping_flags ==
8287 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8288 _scsih_probe_raid(ioc);
8289 _scsih_probe_sas(ioc);
8290 } else {
8291 _scsih_probe_sas(ioc);
8292 _scsih_probe_raid(ioc);
8293 }
8294 } else
8295 _scsih_probe_sas(ioc);
8296}
8297
8298
8299/**
8300 * _scsih_scan_start - scsi lld callback for .scan_start
8301 * @shost: SCSI host pointer
8302 *
8303 * The shost has the ability to discover targets on its own instead
8304 * of scanning the entire bus. In our implemention, we will kick off
8305 * firmware discovery.
8306 */
8307static void
8308_scsih_scan_start(struct Scsi_Host *shost)
8309{
8310 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8311 int rc;
8312
8313 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8314 mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable);
8315
8316 if (disable_discovery > 0)
8317 return;
8318
8319 ioc->start_scan = 1;
8320 rc = mpt2sas_port_enable(ioc);
8321
8322 if (rc != 0)
8323 printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name);
8324}
8325
8326/**
8327 * _scsih_scan_finished - scsi lld callback for .scan_finished
8328 * @shost: SCSI host pointer
8329 * @time: elapsed time of the scan in jiffies
8330 *
8331 * This function will be called periodically until it returns 1 with the
8332 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8333 * we wait for firmware discovery to complete, then return 1.
8334 */
8335static int
8336_scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
8337{
8338 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8339
8340 if (disable_discovery > 0) {
8341 ioc->is_driver_loading = 0;
8342 ioc->wait_for_discovery_to_complete = 0;
8343 return 1;
8344 }
8345
8346 if (time >= (300 * HZ)) {
8347 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
8348 printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout "
8349 "(timeout=300s)\n", ioc->name);
8350 ioc->is_driver_loading = 0;
8351 return 1;
8352 }
8353
8354 if (ioc->start_scan)
8355 return 0;
8356
8357 if (ioc->start_scan_failed) {
8358 printk(MPT2SAS_INFO_FMT "port enable: FAILED with "
8359 "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed);
8360 ioc->is_driver_loading = 0;
8361 ioc->wait_for_discovery_to_complete = 0;
8362 ioc->remove_host = 1;
8363 return 1;
8364 }
8365
8366 printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name);
8367 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
8368
8369 if (ioc->wait_for_discovery_to_complete) {
8370 ioc->wait_for_discovery_to_complete = 0;
8371 _scsih_probe_devices(ioc);
8372 }
8373 mpt2sas_base_start_watchdog(ioc);
8374 ioc->is_driver_loading = 0;
8375 return 1;
8376}
8377
8378
8379/**
8380 * _scsih_probe - attach and add scsi host
8381 * @pdev: PCI device struct
8382 * @id: pci device id
8383 *
8384 * Returns 0 success, anything else error.
8385 */
8386static int
8387_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
8388{
8389 struct MPT2SAS_ADAPTER *ioc;
8390 struct Scsi_Host *shost;
8391 int rv;
8392
8393 shost = scsi_host_alloc(&scsih_driver_template,
8394 sizeof(struct MPT2SAS_ADAPTER));
8395 if (!shost)
8396 return -ENODEV;
8397
8398 /* init local params */
8399 ioc = shost_priv(shost);
8400 memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
8401 INIT_LIST_HEAD(&ioc->list);
8402 spin_lock(&gioc_lock);
8403 list_add_tail(&ioc->list, &mpt2sas_ioc_list);
8404 spin_unlock(&gioc_lock);
8405 ioc->shost = shost;
8406 ioc->id = mpt_ids++;
8407 sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
8408 ioc->pdev = pdev;
8409 if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8410 ioc->is_warpdrive = 1;
8411 ioc->hide_ir_msg = 1;
8412 } else
8413 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8414 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8415 ioc->tm_cb_idx = tm_cb_idx;
8416 ioc->ctl_cb_idx = ctl_cb_idx;
8417 ioc->base_cb_idx = base_cb_idx;
8418 ioc->port_enable_cb_idx = port_enable_cb_idx;
8419 ioc->transport_cb_idx = transport_cb_idx;
8420 ioc->scsih_cb_idx = scsih_cb_idx;
8421 ioc->config_cb_idx = config_cb_idx;
8422 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8423 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8424 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8425 ioc->logging_level = logging_level;
8426 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8427 /* misc semaphores and spin locks */
8428 mutex_init(&ioc->reset_in_progress_mutex);
8429 /* initializing pci_access_mutex lock */
8430 mutex_init(&ioc->pci_access_mutex);
8431 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8432 spin_lock_init(&ioc->scsi_lookup_lock);
8433 spin_lock_init(&ioc->sas_device_lock);
8434 spin_lock_init(&ioc->sas_node_lock);
8435 spin_lock_init(&ioc->fw_event_lock);
8436 spin_lock_init(&ioc->raid_device_lock);
8437
8438 INIT_LIST_HEAD(&ioc->sas_device_list);
8439 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8440 INIT_LIST_HEAD(&ioc->sas_expander_list);
8441 INIT_LIST_HEAD(&ioc->fw_event_list);
8442 INIT_LIST_HEAD(&ioc->raid_device_list);
8443 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8444 INIT_LIST_HEAD(&ioc->delayed_tr_list);
8445 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
8446 INIT_LIST_HEAD(&ioc->reply_queue_list);
8447
8448 /* init shost parameters */
8449 shost->max_cmd_len = 32;
8450 shost->max_lun = max_lun;
8451 shost->transportt = mpt2sas_transport_template;
8452 shost->unique_id = ioc->id;
8453
8454 if (max_sectors != 0xFFFF) {
8455 if (max_sectors < 64) {
8456 shost->max_sectors = 64;
8457 printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
8458 "for max_sectors, range is 64 to 32767. Assigning "
8459 "value of 64.\n", ioc->name, max_sectors);
8460 } else if (max_sectors > 32767) {
8461 shost->max_sectors = 32767;
8462 printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
8463 "for max_sectors, range is 64 to 8192. Assigning "
8464 "default value of 32767.\n", ioc->name,
8465 max_sectors);
8466 } else {
8467 shost->max_sectors = max_sectors & 0xFFFE;
8468 printk(MPT2SAS_INFO_FMT "The max_sectors value is "
8469 "set to %d\n", ioc->name, shost->max_sectors);
8470 }
8471 }
8472
8473 /* register EEDP capabilities with SCSI layer */
8474 if (prot_mask)
8475 scsi_host_set_prot(shost, prot_mask);
8476 else
8477 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8478 | SHOST_DIF_TYPE2_PROTECTION
8479 | SHOST_DIF_TYPE3_PROTECTION);
8480
8481 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8482
8483 /* event thread */
8484 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
8485 "fw_event%d", ioc->id);
8486 ioc->firmware_event_thread = create_singlethread_workqueue(
8487 ioc->firmware_event_name);
8488 if (!ioc->firmware_event_thread) {
8489 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
8490 ioc->name, __FILE__, __LINE__, __func__);
8491 rv = -ENODEV;
8492 goto out_thread_fail;
8493 }
8494
8495 ioc->is_driver_loading = 1;
8496 if ((mpt2sas_base_attach(ioc))) {
8497 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
8498 ioc->name, __FILE__, __LINE__, __func__);
8499 rv = -ENODEV;
8500 goto out_attach_fail;
8501 }
8502
8503 if (ioc->is_warpdrive) {
8504 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8505 ioc->hide_drives = 0;
8506 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8507 ioc->hide_drives = 1;
8508 else {
8509 if (_scsih_get_num_volumes(ioc))
8510 ioc->hide_drives = 1;
8511 else
8512 ioc->hide_drives = 0;
8513 }
8514 } else
8515 ioc->hide_drives = 0;
8516
8517 rv = scsi_add_host(shost, &pdev->dev);
8518 if (rv) {
8519 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
8520 ioc->name, __FILE__, __LINE__, __func__);
8521 goto out_add_shost_fail;
8522 }
8523
8524 scsi_scan_host(shost);
8525
8526 return 0;
8527
8528 out_add_shost_fail:
8529 mpt2sas_base_detach(ioc);
8530 out_attach_fail:
8531 destroy_workqueue(ioc->firmware_event_thread);
8532 out_thread_fail:
8533 spin_lock(&gioc_lock);
8534 list_del(&ioc->list);
8535 spin_unlock(&gioc_lock);
8536 scsi_host_put(shost);
8537 return rv;
8538}
8539
8540#ifdef CONFIG_PM
8541/**
8542 * _scsih_suspend - power management suspend main entry point
8543 * @pdev: PCI device struct
8544 * @state: PM state change to (usually PCI_D3)
8545 *
8546 * Returns 0 success, anything else error.
8547 */
8548static int
8549_scsih_suspend(struct pci_dev *pdev, pm_message_t state)
8550{
8551 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8552 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8553 pci_power_t device_state;
8554
8555 mpt2sas_base_stop_watchdog(ioc);
8556 scsi_block_requests(shost);
8557 _scsih_ir_shutdown(ioc);
8558 device_state = pci_choose_state(pdev, state);
8559 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
8560 "operating state [D%d]\n", ioc->name, pdev,
8561 pci_name(pdev), device_state);
8562
8563 mpt2sas_base_free_resources(ioc);
8564 pci_save_state(pdev);
8565 pci_set_power_state(pdev, device_state);
8566 return 0;
8567}
8568
8569/**
8570 * _scsih_resume - power management resume main entry point
8571 * @pdev: PCI device struct
8572 *
8573 * Returns 0 success, anything else error.
8574 */
8575static int
8576_scsih_resume(struct pci_dev *pdev)
8577{
8578 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8579 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8580 pci_power_t device_state = pdev->current_state;
8581 int r;
8582
8583 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
8584 "operating state [D%d]\n", ioc->name, pdev,
8585 pci_name(pdev), device_state);
8586
8587 pci_set_power_state(pdev, PCI_D0);
8588 pci_enable_wake(pdev, PCI_D0, 0);
8589 pci_restore_state(pdev);
8590 ioc->pdev = pdev;
8591 r = mpt2sas_base_map_resources(ioc);
8592 if (r)
8593 return r;
8594
8595 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
8596 scsi_unblock_requests(shost);
8597 mpt2sas_base_start_watchdog(ioc);
8598 return 0;
8599}
8600#endif /* CONFIG_PM */
8601
8602/**
8603 * _scsih_pci_error_detected - Called when a PCI error is detected.
8604 * @pdev: PCI device struct
8605 * @state: PCI channel state
8606 *
8607 * Description: Called when a PCI error is detected.
8608 *
8609 * Return value:
8610 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8611 */
8612static pci_ers_result_t
8613_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
8614{
8615 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8616 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8617
8618 printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
8619 ioc->name, state);
8620
8621 switch (state) {
8622 case pci_channel_io_normal:
8623 return PCI_ERS_RESULT_CAN_RECOVER;
8624 case pci_channel_io_frozen:
8625 /* Fatal error, prepare for slot reset */
8626 ioc->pci_error_recovery = 1;
8627 scsi_block_requests(ioc->shost);
8628 mpt2sas_base_stop_watchdog(ioc);
8629 mpt2sas_base_free_resources(ioc);
8630 return PCI_ERS_RESULT_NEED_RESET;
8631 case pci_channel_io_perm_failure:
8632 /* Permanent error, prepare for device removal */
8633 ioc->pci_error_recovery = 1;
8634 mpt2sas_base_stop_watchdog(ioc);
8635 _scsih_flush_running_cmds(ioc);
8636 return PCI_ERS_RESULT_DISCONNECT;
8637 }
8638 return PCI_ERS_RESULT_NEED_RESET;
8639}
8640
8641/**
8642 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
8643 * @pdev: PCI device struct
8644 *
8645 * Description: This routine is called by the pci error recovery
8646 * code after the PCI slot has been reset, just before we
8647 * should resume normal operations.
8648 */
8649static pci_ers_result_t
8650_scsih_pci_slot_reset(struct pci_dev *pdev)
8651{
8652 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8653 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8654 int rc;
8655
8656 printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
8657 ioc->name);
8658
8659 ioc->pci_error_recovery = 0;
8660 ioc->pdev = pdev;
8661 pci_restore_state(pdev);
8662 rc = mpt2sas_base_map_resources(ioc);
8663 if (rc)
8664 return PCI_ERS_RESULT_DISCONNECT;
8665
8666
8667 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
8668 FORCE_BIG_HAMMER);
8669
8670 printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
8671 (rc == 0) ? "success" : "failed");
8672
8673 if (!rc)
8674 return PCI_ERS_RESULT_RECOVERED;
8675 else
8676 return PCI_ERS_RESULT_DISCONNECT;
8677}
8678
8679/**
8680 * _scsih_pci_resume() - resume normal ops after PCI reset
8681 * @pdev: pointer to PCI device
8682 *
8683 * Called when the error recovery driver tells us that its
8684 * OK to resume normal operation. Use completion to allow
8685 * halted scsi ops to resume.
8686 */
8687static void
8688_scsih_pci_resume(struct pci_dev *pdev)
8689{
8690 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8691 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8692
8693 printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
8694
8695 pci_cleanup_aer_uncorrect_error_status(pdev);
8696 mpt2sas_base_start_watchdog(ioc);
8697 scsi_unblock_requests(ioc->shost);
8698}
8699
8700/**
8701 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8702 * @pdev: pointer to PCI device
8703 */
8704static pci_ers_result_t
8705_scsih_pci_mmio_enabled(struct pci_dev *pdev)
8706{
8707 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8708 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8709
8710 printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
8711 ioc->name);
8712
8713 /* TODO - dump whatever for debugging purposes */
8714
8715 /* Request a slot reset. */
8716 return PCI_ERS_RESULT_NEED_RESET;
8717}
8718
8719static const struct pci_error_handlers _scsih_err_handler = {
8720 .error_detected = _scsih_pci_error_detected,
8721 .mmio_enabled = _scsih_pci_mmio_enabled,
8722 .slot_reset = _scsih_pci_slot_reset,
8723 .resume = _scsih_pci_resume,
8724};
8725
8726static struct pci_driver scsih_driver = {
8727 .name = MPT2SAS_DRIVER_NAME,
8728 .id_table = scsih_pci_table,
8729 .probe = _scsih_probe,
8730 .remove = _scsih_remove,
8731 .shutdown = _scsih_shutdown,
8732 .err_handler = &_scsih_err_handler,
8733#ifdef CONFIG_PM
8734 .suspend = _scsih_suspend,
8735 .resume = _scsih_resume,
8736#endif
8737};
8738
8739/* raid transport support */
8740static struct raid_function_template mpt2sas_raid_functions = {
8741 .cookie = &scsih_driver_template,
8742 .is_raid = _scsih_is_raid,
8743 .get_resync = _scsih_get_resync,
8744 .get_state = _scsih_get_state,
8745};
8746
8747/**
8748 * _scsih_init - main entry point for this driver.
8749 *
8750 * Returns 0 success, anything else error.
8751 */
8752static int __init
8753_scsih_init(void)
8754{
8755 int error;
8756
8757 mpt_ids = 0;
8758 printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
8759 MPT2SAS_DRIVER_VERSION);
8760
8761 mpt2sas_transport_template =
8762 sas_attach_transport(&mpt2sas_transport_functions);
8763 if (!mpt2sas_transport_template)
8764 return -ENODEV;
8765 /* raid transport support */
8766 mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions);
8767 if (!mpt2sas_raid_template) {
8768 sas_release_transport(mpt2sas_transport_template);
8769 return -ENODEV;
8770 }
8771
8772 mpt2sas_base_initialize_callback_handler();
8773
8774 /* queuecommand callback hander */
8775 scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
8776
8777 /* task management callback handler */
8778 tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
8779
8780 /* base internal commands callback handler */
8781 base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
8782 port_enable_cb_idx = mpt2sas_base_register_callback_handler(
8783 mpt2sas_port_enable_done);
8784
8785 /* transport internal commands callback handler */
8786 transport_cb_idx = mpt2sas_base_register_callback_handler(
8787 mpt2sas_transport_done);
8788
8789 /* scsih internal commands callback handler */
8790 scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done);
8791
8792 /* configuration page API internal commands callback handler */
8793 config_cb_idx = mpt2sas_base_register_callback_handler(
8794 mpt2sas_config_done);
8795
8796 /* ctl module callback handler */
8797 ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
8798
8799 tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
8800 _scsih_tm_tr_complete);
8801
8802 tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler(
8803 _scsih_tm_volume_tr_complete);
8804
8805 tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
8806 _scsih_sas_control_complete);
8807
8808 mpt2sas_ctl_init();
8809
8810 error = pci_register_driver(&scsih_driver);
8811 if (error) {
8812 /* raid transport support */
8813 raid_class_release(mpt2sas_raid_template);
8814 sas_release_transport(mpt2sas_transport_template);
8815 }
8816
8817 return error;
8818}
8819
8820/**
8821 * _scsih_exit - exit point for this driver (when it is a module).
8822 *
8823 * Returns 0 success, anything else error.
8824 */
8825static void __exit
8826_scsih_exit(void)
8827{
8828 printk(KERN_INFO "mpt2sas version %s unloading\n",
8829 MPT2SAS_DRIVER_VERSION);
8830
8831 pci_unregister_driver(&scsih_driver);
8832
8833 mpt2sas_ctl_exit();
8834
8835 mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
8836 mpt2sas_base_release_callback_handler(tm_cb_idx);
8837 mpt2sas_base_release_callback_handler(base_cb_idx);
8838 mpt2sas_base_release_callback_handler(port_enable_cb_idx);
8839 mpt2sas_base_release_callback_handler(transport_cb_idx);
8840 mpt2sas_base_release_callback_handler(scsih_cb_idx);
8841 mpt2sas_base_release_callback_handler(config_cb_idx);
8842 mpt2sas_base_release_callback_handler(ctl_cb_idx);
8843
8844 mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
8845 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx);
8846 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
8847
8848 /* raid transport support */
8849 raid_class_release(mpt2sas_raid_template);
8850 sas_release_transport(mpt2sas_transport_template);
8851
8852}
8853
8854module_init(_scsih_init);
8855module_exit(_scsih_exit);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
deleted file mode 100644
index af868009395d..000000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ /dev/null
@@ -1,2173 +0,0 @@
1/*
2 * SAS Transport Layer for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt2sas/mpt2_transport.c
5 * Copyright (C) 2007-2014 LSI Corporation
6 * Copyright (C) 20013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
45#include <linux/module.h>
46#include <linux/kernel.h>
47#include <linux/init.h>
48#include <linux/errno.h>
49#include <linux/sched.h>
50#include <linux/workqueue.h>
51#include <linux/delay.h>
52#include <linux/pci.h>
53#include <linux/slab.h>
54
55#include <scsi/scsi.h>
56#include <scsi/scsi_cmnd.h>
57#include <scsi/scsi_device.h>
58#include <scsi/scsi_host.h>
59#include <scsi/scsi_transport_sas.h>
60#include <scsi/scsi_dbg.h>
61
62#include "mpt2sas_base.h"
63/**
64 * _transport_sas_node_find_by_sas_address - sas node search
65 * @ioc: per adapter object
66 * @sas_address: sas address of expander or sas host
67 * Context: Calling function should acquire ioc->sas_node_lock.
68 *
69 * Search for either hba phys or expander device based on handle, then returns
70 * the sas_node object.
71 */
72static struct _sas_node *
73_transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
74 u64 sas_address)
75{
76 if (ioc->sas_hba.sas_address == sas_address)
77 return &ioc->sas_hba;
78 else
79 return mpt2sas_scsih_expander_find_by_sas_address(ioc,
80 sas_address);
81}
82
83/**
84 * _transport_convert_phy_link_rate -
85 * @link_rate: link rate returned from mpt firmware
86 *
87 * Convert link_rate from mpi fusion into sas_transport form.
88 */
89static enum sas_linkrate
90_transport_convert_phy_link_rate(u8 link_rate)
91{
92 enum sas_linkrate rc;
93
94 switch (link_rate) {
95 case MPI2_SAS_NEG_LINK_RATE_1_5:
96 rc = SAS_LINK_RATE_1_5_GBPS;
97 break;
98 case MPI2_SAS_NEG_LINK_RATE_3_0:
99 rc = SAS_LINK_RATE_3_0_GBPS;
100 break;
101 case MPI2_SAS_NEG_LINK_RATE_6_0:
102 rc = SAS_LINK_RATE_6_0_GBPS;
103 break;
104 case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED:
105 rc = SAS_PHY_DISABLED;
106 break;
107 case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED:
108 rc = SAS_LINK_RATE_FAILED;
109 break;
110 case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR:
111 rc = SAS_SATA_PORT_SELECTOR;
112 break;
113 case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS:
114 rc = SAS_PHY_RESET_IN_PROGRESS;
115 break;
116 default:
117 case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE:
118 case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE:
119 rc = SAS_LINK_RATE_UNKNOWN;
120 break;
121 }
122 return rc;
123}
124
125/**
126 * _transport_set_identify - set identify for phys and end devices
127 * @ioc: per adapter object
128 * @handle: device handle
129 * @identify: sas identify info
130 *
131 * Populates sas identify info.
132 *
133 * Returns 0 for success, non-zero for failure.
134 */
135static int
136_transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
137 struct sas_identify *identify)
138{
139 Mpi2SasDevicePage0_t sas_device_pg0;
140 Mpi2ConfigReply_t mpi_reply;
141 u32 device_info;
142 u32 ioc_status;
143
144 if (ioc->shost_recovery || ioc->pci_error_recovery) {
145 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
146 __func__, ioc->name);
147 return -EFAULT;
148 }
149
150 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
151 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
152 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
153
154 ioc->name, __FILE__, __LINE__, __func__);
155 return -ENXIO;
156 }
157
158 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
159 MPI2_IOCSTATUS_MASK;
160 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
161 printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
162 "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
163 __FILE__, __LINE__, __func__);
164 return -EIO;
165 }
166
167 memset(identify, 0, sizeof(struct sas_identify));
168 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
169
170 /* sas_address */
171 identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
172
173 /* phy number of the parent device this device is linked to */
174 identify->phy_identifier = sas_device_pg0.PhyNum;
175
176 /* device_type */
177 switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
178 case MPI2_SAS_DEVICE_INFO_NO_DEVICE:
179 identify->device_type = SAS_PHY_UNUSED;
180 break;
181 case MPI2_SAS_DEVICE_INFO_END_DEVICE:
182 identify->device_type = SAS_END_DEVICE;
183 break;
184 case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER:
185 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
186 break;
187 case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER:
188 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
189 break;
190 }
191
192 /* initiator_port_protocols */
193 if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR)
194 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
195 if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR)
196 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
197 if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR)
198 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
199 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST)
200 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
201
202 /* target_port_protocols */
203 if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET)
204 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
205 if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
206 identify->target_port_protocols |= SAS_PROTOCOL_STP;
207 if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET)
208 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
209 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
210 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
211
212 return 0;
213}
214
215/**
216 * mpt2sas_transport_done - internal transport layer callback handler.
217 * @ioc: per adapter object
218 * @smid: system request message index
219 * @msix_index: MSIX table index supplied by the OS
220 * @reply: reply message frame(lower 32bit addr)
221 *
222 * Callback handler when sending internal generated transport cmds.
223 * The callback index passed is `ioc->transport_cb_idx`
224 *
225 * Return 1 meaning mf should be freed from _base_interrupt
226 * 0 means the mf is freed from this function.
227 */
228u8
229mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
230 u32 reply)
231{
232 MPI2DefaultReply_t *mpi_reply;
233
234 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
235 if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED)
236 return 1;
237 if (ioc->transport_cmds.smid != smid)
238 return 1;
239 ioc->transport_cmds.status |= MPT2_CMD_COMPLETE;
240 if (mpi_reply) {
241 memcpy(ioc->transport_cmds.reply, mpi_reply,
242 mpi_reply->MsgLength*4);
243 ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID;
244 }
245 ioc->transport_cmds.status &= ~MPT2_CMD_PENDING;
246 complete(&ioc->transport_cmds.done);
247 return 1;
248}
249
250/* report manufacture request structure */
251struct rep_manu_request{
252 u8 smp_frame_type;
253 u8 function;
254 u8 reserved;
255 u8 request_length;
256};
257
258/* report manufacture reply structure */
259struct rep_manu_reply{
260 u8 smp_frame_type; /* 0x41 */
261 u8 function; /* 0x01 */
262 u8 function_result;
263 u8 response_length;
264 u16 expander_change_count;
265 u8 reserved0[2];
266 u8 sas_format;
267 u8 reserved2[3];
268 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
269 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
270 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
271 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
272 u16 component_id;
273 u8 component_revision_id;
274 u8 reserved3;
275 u8 vendor_specific[8];
276};
277
278/**
279 * _transport_expander_report_manufacture - obtain SMP report_manufacture
280 * @ioc: per adapter object
281 * @sas_address: expander sas address
282 * @edev: the sas_expander_device object
283 *
284 * Fills in the sas_expander_device object when SMP port is created.
285 *
286 * Returns 0 for success, non-zero for failure.
287 */
288static int
289_transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
290 u64 sas_address, struct sas_expander_device *edev)
291{
292 Mpi2SmpPassthroughRequest_t *mpi_request;
293 Mpi2SmpPassthroughReply_t *mpi_reply;
294 struct rep_manu_reply *manufacture_reply;
295 struct rep_manu_request *manufacture_request;
296 int rc;
297 u16 smid;
298 u32 ioc_state;
299 unsigned long timeleft;
300 void *psge;
301 u32 sgl_flags;
302 u8 issue_reset = 0;
303 void *data_out = NULL;
304 dma_addr_t data_out_dma;
305 u32 sz;
306 u16 wait_state_count;
307
308 if (ioc->shost_recovery || ioc->pci_error_recovery) {
309 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
310 __func__, ioc->name);
311 return -EFAULT;
312 }
313
314 mutex_lock(&ioc->transport_cmds.mutex);
315
316 if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
317 printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
318 ioc->name, __func__);
319 rc = -EAGAIN;
320 goto out;
321 }
322 ioc->transport_cmds.status = MPT2_CMD_PENDING;
323
324 wait_state_count = 0;
325 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
326 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
327 if (wait_state_count++ == 10) {
328 printk(MPT2SAS_ERR_FMT
329 "%s: failed due to ioc not operational\n",
330 ioc->name, __func__);
331 rc = -EFAULT;
332 goto out;
333 }
334 ssleep(1);
335 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
336 printk(MPT2SAS_INFO_FMT "%s: waiting for "
337 "operational state(count=%d)\n", ioc->name,
338 __func__, wait_state_count);
339 }
340 if (wait_state_count)
341 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
342 ioc->name, __func__);
343
344 smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
345 if (!smid) {
346 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
347 ioc->name, __func__);
348 rc = -EAGAIN;
349 goto out;
350 }
351
352 rc = 0;
353 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
354 ioc->transport_cmds.smid = smid;
355
356 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
357 data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
358
359 if (!data_out) {
360 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
361 __LINE__, __func__);
362 rc = -ENOMEM;
363 mpt2sas_base_free_smid(ioc, smid);
364 goto out;
365 }
366
367 manufacture_request = data_out;
368 manufacture_request->smp_frame_type = 0x40;
369 manufacture_request->function = 1;
370 manufacture_request->reserved = 0;
371 manufacture_request->request_length = 0;
372
373 memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
374 mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
375 mpi_request->PhysicalPort = 0xFF;
376 mpi_request->VF_ID = 0; /* TODO */
377 mpi_request->VP_ID = 0;
378 mpi_request->SASAddress = cpu_to_le64(sas_address);
379 mpi_request->RequestDataLength =
380 cpu_to_le16(sizeof(struct rep_manu_request));
381 psge = &mpi_request->SGL;
382
383 /* WRITE sgel first */
384 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
385 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
386 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
387 ioc->base_add_sg_single(psge, sgl_flags |
388 sizeof(struct rep_manu_request), data_out_dma);
389
390 /* incr sgel */
391 psge += ioc->sge_size;
392
393 /* READ sgel last */
394 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
395 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
396 MPI2_SGE_FLAGS_END_OF_LIST);
397 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
398 ioc->base_add_sg_single(psge, sgl_flags |
399 sizeof(struct rep_manu_reply), data_out_dma +
400 sizeof(struct rep_manu_request));
401
402 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
403 "send to sas_addr(0x%016llx)\n", ioc->name,
404 (unsigned long long)sas_address));
405 init_completion(&ioc->transport_cmds.done);
406 mpt2sas_base_put_smid_default(ioc, smid);
407 timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
408 10*HZ);
409
410 if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
411 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
412 ioc->name, __func__);
413 _debug_dump_mf(mpi_request,
414 sizeof(Mpi2SmpPassthroughRequest_t)/4);
415 if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
416 issue_reset = 1;
417 goto issue_host_reset;
418 }
419
420 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
421 "complete\n", ioc->name));
422
423 if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
424 u8 *tmp;
425
426 mpi_reply = ioc->transport_cmds.reply;
427
428 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
429 "report_manufacture - reply data transfer size(%d)\n",
430 ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
431
432 if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
433 sizeof(struct rep_manu_reply))
434 goto out;
435
436 manufacture_reply = data_out + sizeof(struct rep_manu_request);
437 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
438 SAS_EXPANDER_VENDOR_ID_LEN);
439 strncpy(edev->product_id, manufacture_reply->product_id,
440 SAS_EXPANDER_PRODUCT_ID_LEN);
441 strncpy(edev->product_rev, manufacture_reply->product_rev,
442 SAS_EXPANDER_PRODUCT_REV_LEN);
443 edev->level = manufacture_reply->sas_format & 1;
444 if (edev->level) {
445 strncpy(edev->component_vendor_id,
446 manufacture_reply->component_vendor_id,
447 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
448 tmp = (u8 *)&manufacture_reply->component_id;
449 edev->component_id = tmp[0] << 8 | tmp[1];
450 edev->component_revision_id =
451 manufacture_reply->component_revision_id;
452 }
453 } else
454 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
455 "report_manufacture - no reply\n", ioc->name));
456
457 issue_host_reset:
458 if (issue_reset)
459 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
460 FORCE_BIG_HAMMER);
461 out:
462 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
463 if (data_out)
464 pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
465
466 mutex_unlock(&ioc->transport_cmds.mutex);
467 return rc;
468}
469
470/**
471 * _transport_delete_port - helper function to removing a port
472 * @ioc: per adapter object
473 * @mpt2sas_port: mpt2sas per port object
474 *
475 * Returns nothing.
476 */
477static void
478_transport_delete_port(struct MPT2SAS_ADAPTER *ioc,
479 struct _sas_port *mpt2sas_port)
480{
481 u64 sas_address = mpt2sas_port->remote_identify.sas_address;
482 enum sas_device_type device_type =
483 mpt2sas_port->remote_identify.device_type;
484
485 dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
486 "remove: sas_addr(0x%016llx)\n",
487 (unsigned long long) sas_address);
488
489 ioc->logging_level |= MPT_DEBUG_TRANSPORT;
490 if (device_type == SAS_END_DEVICE)
491 mpt2sas_device_remove_by_sas_address(ioc, sas_address);
492 else if (device_type == SAS_EDGE_EXPANDER_DEVICE ||
493 device_type == SAS_FANOUT_EXPANDER_DEVICE)
494 mpt2sas_expander_remove(ioc, sas_address);
495 ioc->logging_level &= ~MPT_DEBUG_TRANSPORT;
496}
497
498/**
499 * _transport_delete_phy - helper function to removing single phy from port
500 * @ioc: per adapter object
501 * @mpt2sas_port: mpt2sas per port object
502 * @mpt2sas_phy: mpt2sas per phy object
503 *
504 * Returns nothing.
505 */
506static void
507_transport_delete_phy(struct MPT2SAS_ADAPTER *ioc,
508 struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy)
509{
510 u64 sas_address = mpt2sas_port->remote_identify.sas_address;
511
512 dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
513 "remove: sas_addr(0x%016llx), phy(%d)\n",
514 (unsigned long long) sas_address, mpt2sas_phy->phy_id);
515
516 list_del(&mpt2sas_phy->port_siblings);
517 mpt2sas_port->num_phys--;
518 sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
519 mpt2sas_phy->phy_belongs_to_port = 0;
520}
521
522/**
523 * _transport_add_phy - helper function to adding single phy to port
524 * @ioc: per adapter object
525 * @mpt2sas_port: mpt2sas per port object
526 * @mpt2sas_phy: mpt2sas per phy object
527 *
528 * Returns nothing.
529 */
530static void
531_transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port,
532 struct _sas_phy *mpt2sas_phy)
533{
534 u64 sas_address = mpt2sas_port->remote_identify.sas_address;
535
536 dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
537 "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long)
538 sas_address, mpt2sas_phy->phy_id);
539
540 list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list);
541 mpt2sas_port->num_phys++;
542 sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy);
543 mpt2sas_phy->phy_belongs_to_port = 1;
544}
545
546/**
547 * _transport_add_phy_to_an_existing_port - adding new phy to existing port
548 * @ioc: per adapter object
549 * @sas_node: sas node object (either expander or sas host)
550 * @mpt2sas_phy: mpt2sas per phy object
551 * @sas_address: sas address of device/expander were phy needs to be added to
552 *
553 * Returns nothing.
554 */
555static void
556_transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
557struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address)
558{
559 struct _sas_port *mpt2sas_port;
560 struct _sas_phy *phy_srch;
561
562 if (mpt2sas_phy->phy_belongs_to_port == 1)
563 return;
564
565 list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list,
566 port_list) {
567 if (mpt2sas_port->remote_identify.sas_address !=
568 sas_address)
569 continue;
570 list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
571 port_siblings) {
572 if (phy_srch == mpt2sas_phy)
573 return;
574 }
575 _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy);
576 return;
577 }
578
579}
580
581/**
582 * _transport_del_phy_from_an_existing_port - delete phy from existing port
583 * @ioc: per adapter object
584 * @sas_node: sas node object (either expander or sas host)
585 * @mpt2sas_phy: mpt2sas per phy object
586 *
587 * Returns nothing.
588 */
589static void
590_transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
591 struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy)
592{
593 struct _sas_port *mpt2sas_port, *next;
594 struct _sas_phy *phy_srch;
595
596 if (mpt2sas_phy->phy_belongs_to_port == 0)
597 return;
598
599 list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
600 port_list) {
601 list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
602 port_siblings) {
603 if (phy_srch != mpt2sas_phy)
604 continue;
605 if (mpt2sas_port->num_phys == 1)
606 _transport_delete_port(ioc, mpt2sas_port);
607 else
608 _transport_delete_phy(ioc, mpt2sas_port,
609 mpt2sas_phy);
610 return;
611 }
612 }
613}
614
615/**
616 * _transport_sanity_check - sanity check when adding a new port
617 * @ioc: per adapter object
618 * @sas_node: sas node object (either expander or sas host)
619 * @sas_address: sas address of device being added
620 *
621 * See the explanation above from _transport_delete_duplicate_port
622 */
623static void
624_transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node,
625 u64 sas_address)
626{
627 int i;
628
629 for (i = 0; i < sas_node->num_phys; i++) {
630 if (sas_node->phy[i].remote_identify.sas_address != sas_address)
631 continue;
632 if (sas_node->phy[i].phy_belongs_to_port == 1)
633 _transport_del_phy_from_an_existing_port(ioc, sas_node,
634 &sas_node->phy[i]);
635 }
636}
637
638/**
639 * mpt2sas_transport_port_add - insert port to the list
640 * @ioc: per adapter object
641 * @handle: handle of attached device
642 * @sas_address: sas address of parent expander or sas host
643 * Context: This function will acquire ioc->sas_node_lock.
644 *
645 * Adding new port object to the sas_node->sas_port_list.
646 *
647 * Returns mpt2sas_port.
648 */
649struct _sas_port *
650mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle,
651 u64 sas_address)
652{
653 struct _sas_phy *mpt2sas_phy, *next;
654 struct _sas_port *mpt2sas_port;
655 unsigned long flags;
656 struct _sas_node *sas_node;
657 struct sas_rphy *rphy;
658 int i;
659 struct sas_port *port;
660
661 mpt2sas_port = kzalloc(sizeof(struct _sas_port),
662 GFP_KERNEL);
663 if (!mpt2sas_port) {
664 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
665 ioc->name, __FILE__, __LINE__, __func__);
666 return NULL;
667 }
668
669 INIT_LIST_HEAD(&mpt2sas_port->port_list);
670 INIT_LIST_HEAD(&mpt2sas_port->phy_list);
671 spin_lock_irqsave(&ioc->sas_node_lock, flags);
672 sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
673 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
674
675 if (!sas_node) {
676 printk(MPT2SAS_ERR_FMT "%s: Could not find "
677 "parent sas_address(0x%016llx)!\n", ioc->name,
678 __func__, (unsigned long long)sas_address);
679 goto out_fail;
680 }
681
682 if ((_transport_set_identify(ioc, handle,
683 &mpt2sas_port->remote_identify))) {
684 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
685 ioc->name, __FILE__, __LINE__, __func__);
686 goto out_fail;
687 }
688
689 if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) {
690 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
691 ioc->name, __FILE__, __LINE__, __func__);
692 goto out_fail;
693 }
694
695 _transport_sanity_check(ioc, sas_node,
696 mpt2sas_port->remote_identify.sas_address);
697
698 for (i = 0; i < sas_node->num_phys; i++) {
699 if (sas_node->phy[i].remote_identify.sas_address !=
700 mpt2sas_port->remote_identify.sas_address)
701 continue;
702 list_add_tail(&sas_node->phy[i].port_siblings,
703 &mpt2sas_port->phy_list);
704 mpt2sas_port->num_phys++;
705 }
706
707 if (!mpt2sas_port->num_phys) {
708 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
709 ioc->name, __FILE__, __LINE__, __func__);
710 goto out_fail;
711 }
712
713 port = sas_port_alloc_num(sas_node->parent_dev);
714 if ((sas_port_add(port))) {
715 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
716 ioc->name, __FILE__, __LINE__, __func__);
717 goto out_fail;
718 }
719
720 list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list,
721 port_siblings) {
722 if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
723 dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)"
724 ", sas_addr(0x%016llx), phy(%d)\n", handle,
725 (unsigned long long)
726 mpt2sas_port->remote_identify.sas_address,
727 mpt2sas_phy->phy_id);
728 sas_port_add_phy(port, mpt2sas_phy->phy);
729 mpt2sas_phy->phy_belongs_to_port = 1;
730 }
731
732 mpt2sas_port->port = port;
733 if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE)
734 rphy = sas_end_device_alloc(port);
735 else
736 rphy = sas_expander_alloc(port,
737 mpt2sas_port->remote_identify.device_type);
738
739 rphy->identify = mpt2sas_port->remote_identify;
740 if ((sas_rphy_add(rphy))) {
741 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
742 ioc->name, __FILE__, __LINE__, __func__);
743 }
744 if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
745 dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), "
746 "sas_addr(0x%016llx)\n", handle,
747 (unsigned long long)
748 mpt2sas_port->remote_identify.sas_address);
749 mpt2sas_port->rphy = rphy;
750 spin_lock_irqsave(&ioc->sas_node_lock, flags);
751 list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list);
752 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
753
754 /* fill in report manufacture */
755 if (mpt2sas_port->remote_identify.device_type ==
756 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
757 mpt2sas_port->remote_identify.device_type ==
758 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER)
759 _transport_expander_report_manufacture(ioc,
760 mpt2sas_port->remote_identify.sas_address,
761 rphy_to_expander_device(rphy));
762
763 return mpt2sas_port;
764
765 out_fail:
766 list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list,
767 port_siblings)
768 list_del(&mpt2sas_phy->port_siblings);
769 kfree(mpt2sas_port);
770 return NULL;
771}
772
773/**
774 * mpt2sas_transport_port_remove - remove port from the list
775 * @ioc: per adapter object
776 * @sas_address: sas address of attached device
777 * @sas_address_parent: sas address of parent expander or sas host
778 * Context: This function will acquire ioc->sas_node_lock.
779 *
780 * Removing object and freeing associated memory from the
781 * ioc->sas_port_list.
782 *
783 * Return nothing.
784 */
785void
786mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
787 u64 sas_address_parent)
788{
789 int i;
790 unsigned long flags;
791 struct _sas_port *mpt2sas_port, *next;
792 struct _sas_node *sas_node;
793 u8 found = 0;
794 struct _sas_phy *mpt2sas_phy, *next_phy;
795
796 spin_lock_irqsave(&ioc->sas_node_lock, flags);
797 sas_node = _transport_sas_node_find_by_sas_address(ioc,
798 sas_address_parent);
799 if (!sas_node) {
800 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
801 return;
802 }
803 list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
804 port_list) {
805 if (mpt2sas_port->remote_identify.sas_address != sas_address)
806 continue;
807 found = 1;
808 list_del(&mpt2sas_port->port_list);
809 goto out;
810 }
811 out:
812 if (!found) {
813 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
814 return;
815 }
816
817 for (i = 0; i < sas_node->num_phys; i++) {
818 if (sas_node->phy[i].remote_identify.sas_address == sas_address)
819 memset(&sas_node->phy[i].remote_identify, 0 ,
820 sizeof(struct sas_identify));
821 }
822
823 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
824 list_for_each_entry_safe(mpt2sas_phy, next_phy,
825 &mpt2sas_port->phy_list, port_siblings) {
826 if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
827 dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
828 "remove: sas_addr(0x%016llx), phy(%d)\n",
829 (unsigned long long)
830 mpt2sas_port->remote_identify.sas_address,
831 mpt2sas_phy->phy_id);
832 mpt2sas_phy->phy_belongs_to_port = 0;
833 sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
834 list_del(&mpt2sas_phy->port_siblings);
835 }
836 sas_port_delete(mpt2sas_port->port);
837 kfree(mpt2sas_port);
838}
839
840/**
841 * mpt2sas_transport_add_host_phy - report sas_host phy to transport
842 * @ioc: per adapter object
843 * @mpt2sas_phy: mpt2sas per phy object
844 * @phy_pg0: sas phy page 0
845 * @parent_dev: parent device class object
846 *
847 * Returns 0 for success, non-zero for failure.
848 */
849int
850mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
851 *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev)
852{
853 struct sas_phy *phy;
854 int phy_index = mpt2sas_phy->phy_id;
855
856
857 INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
858 phy = sas_phy_alloc(parent_dev, phy_index);
859 if (!phy) {
860 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
861 ioc->name, __FILE__, __LINE__, __func__);
862 return -1;
863 }
864 if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
865 &mpt2sas_phy->identify))) {
866 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
867 ioc->name, __FILE__, __LINE__, __func__);
868 return -1;
869 }
870 phy->identify = mpt2sas_phy->identify;
871 mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle);
872 if (mpt2sas_phy->attached_handle)
873 _transport_set_identify(ioc, mpt2sas_phy->attached_handle,
874 &mpt2sas_phy->remote_identify);
875 phy->identify.phy_identifier = mpt2sas_phy->phy_id;
876 phy->negotiated_linkrate = _transport_convert_phy_link_rate(
877 phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
878 phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
879 phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
880 phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
881 phy_pg0.HwLinkRate >> 4);
882 phy->minimum_linkrate = _transport_convert_phy_link_rate(
883 phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
884 phy->maximum_linkrate = _transport_convert_phy_link_rate(
885 phy_pg0.ProgrammedLinkRate >> 4);
886
887 if ((sas_phy_add(phy))) {
888 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
889 ioc->name, __FILE__, __LINE__, __func__);
890 sas_phy_free(phy);
891 return -1;
892 }
893 if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
894 dev_printk(KERN_INFO, &phy->dev,
895 "add: handle(0x%04x), sas_addr(0x%016llx)\n"
896 "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
897 mpt2sas_phy->handle, (unsigned long long)
898 mpt2sas_phy->identify.sas_address,
899 mpt2sas_phy->attached_handle,
900 (unsigned long long)
901 mpt2sas_phy->remote_identify.sas_address);
902 mpt2sas_phy->phy = phy;
903 return 0;
904}
905
906
907/**
908 * mpt2sas_transport_add_expander_phy - report expander phy to transport
909 * @ioc: per adapter object
910 * @mpt2sas_phy: mpt2sas per phy object
911 * @expander_pg1: expander page 1
912 * @parent_dev: parent device class object
913 *
914 * Returns 0 for success, non-zero for failure.
915 */
916int
917mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
918 *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev)
919{
920 struct sas_phy *phy;
921 int phy_index = mpt2sas_phy->phy_id;
922
923 INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
924 phy = sas_phy_alloc(parent_dev, phy_index);
925 if (!phy) {
926 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
927 ioc->name, __FILE__, __LINE__, __func__);
928 return -1;
929 }
930 if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
931 &mpt2sas_phy->identify))) {
932 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
933 ioc->name, __FILE__, __LINE__, __func__);
934 return -1;
935 }
936 phy->identify = mpt2sas_phy->identify;
937 mpt2sas_phy->attached_handle =
938 le16_to_cpu(expander_pg1.AttachedDevHandle);
939 if (mpt2sas_phy->attached_handle)
940 _transport_set_identify(ioc, mpt2sas_phy->attached_handle,
941 &mpt2sas_phy->remote_identify);
942 phy->identify.phy_identifier = mpt2sas_phy->phy_id;
943 phy->negotiated_linkrate = _transport_convert_phy_link_rate(
944 expander_pg1.NegotiatedLinkRate &
945 MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
946 phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
947 expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
948 phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
949 expander_pg1.HwLinkRate >> 4);
950 phy->minimum_linkrate = _transport_convert_phy_link_rate(
951 expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
952 phy->maximum_linkrate = _transport_convert_phy_link_rate(
953 expander_pg1.ProgrammedLinkRate >> 4);
954
955 if ((sas_phy_add(phy))) {
956 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
957 ioc->name, __FILE__, __LINE__, __func__);
958 sas_phy_free(phy);
959 return -1;
960 }
961 if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
962 dev_printk(KERN_INFO, &phy->dev,
963 "add: handle(0x%04x), sas_addr(0x%016llx)\n"
964 "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
965 mpt2sas_phy->handle, (unsigned long long)
966 mpt2sas_phy->identify.sas_address,
967 mpt2sas_phy->attached_handle,
968 (unsigned long long)
969 mpt2sas_phy->remote_identify.sas_address);
970 mpt2sas_phy->phy = phy;
971 return 0;
972}
973
974/**
975 * mpt2sas_transport_update_links - refreshing phy link changes
976 * @ioc: per adapter object
977 * @sas_address: sas address of parent expander or sas host
978 * @handle: attached device handle
979 * @phy_numberv: phy number
980 * @link_rate: new link rate
981 *
982 * Returns nothing.
983 */
984void
985mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
986 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate)
987{
988 unsigned long flags;
989 struct _sas_node *sas_node;
990 struct _sas_phy *mpt2sas_phy;
991
992 if (ioc->shost_recovery || ioc->pci_error_recovery)
993 return;
994
995 spin_lock_irqsave(&ioc->sas_node_lock, flags);
996 sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
997 if (!sas_node) {
998 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
999 return;
1000 }
1001
1002 mpt2sas_phy = &sas_node->phy[phy_number];
1003 mpt2sas_phy->attached_handle = handle;
1004 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1005 if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) {
1006 _transport_set_identify(ioc, handle,
1007 &mpt2sas_phy->remote_identify);
1008 _transport_add_phy_to_an_existing_port(ioc, sas_node,
1009 mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
1010 } else
1011 memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
1012 sas_identify));
1013
1014 if (mpt2sas_phy->phy)
1015 mpt2sas_phy->phy->negotiated_linkrate =
1016 _transport_convert_phy_link_rate(link_rate);
1017
1018 if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
1019 dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
1020 "refresh: parent sas_addr(0x%016llx),\n"
1021 "\tlink_rate(0x%02x), phy(%d)\n"
1022 "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
1023 (unsigned long long)sas_address,
1024 link_rate, phy_number, handle, (unsigned long long)
1025 mpt2sas_phy->remote_identify.sas_address);
1026}
1027
1028static inline void *
1029phy_to_ioc(struct sas_phy *phy)
1030{
1031 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
1032 return shost_priv(shost);
1033}
1034
1035static inline void *
1036rphy_to_ioc(struct sas_rphy *rphy)
1037{
1038 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
1039 return shost_priv(shost);
1040}
1041
1042
1043/* report phy error log structure */
1044struct phy_error_log_request{
1045 u8 smp_frame_type; /* 0x40 */
1046 u8 function; /* 0x11 */
1047 u8 allocated_response_length;
1048 u8 request_length; /* 02 */
1049 u8 reserved_1[5];
1050 u8 phy_identifier;
1051 u8 reserved_2[2];
1052};
1053
1054/* report phy error log reply structure */
1055struct phy_error_log_reply{
1056 u8 smp_frame_type; /* 0x41 */
1057 u8 function; /* 0x11 */
1058 u8 function_result;
1059 u8 response_length;
1060 __be16 expander_change_count;
1061 u8 reserved_1[3];
1062 u8 phy_identifier;
1063 u8 reserved_2[2];
1064 __be32 invalid_dword;
1065 __be32 running_disparity_error;
1066 __be32 loss_of_dword_sync;
1067 __be32 phy_reset_problem;
1068};
1069
1070/**
1071 * _transport_get_expander_phy_error_log - return expander counters
1072 * @ioc: per adapter object
1073 * @phy: The sas phy object
1074 *
1075 * Returns 0 for success, non-zero for failure.
1076 *
1077 */
1078static int
1079_transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc,
1080 struct sas_phy *phy)
1081{
1082 Mpi2SmpPassthroughRequest_t *mpi_request;
1083 Mpi2SmpPassthroughReply_t *mpi_reply;
1084 struct phy_error_log_request *phy_error_log_request;
1085 struct phy_error_log_reply *phy_error_log_reply;
1086 int rc;
1087 u16 smid;
1088 u32 ioc_state;
1089 unsigned long timeleft;
1090 void *psge;
1091 u32 sgl_flags;
1092 u8 issue_reset = 0;
1093 void *data_out = NULL;
1094 dma_addr_t data_out_dma;
1095 u32 sz;
1096 u16 wait_state_count;
1097
1098 if (ioc->shost_recovery || ioc->pci_error_recovery) {
1099 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
1100 __func__, ioc->name);
1101 return -EFAULT;
1102 }
1103
1104 mutex_lock(&ioc->transport_cmds.mutex);
1105
1106 if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
1107 printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
1108 ioc->name, __func__);
1109 rc = -EAGAIN;
1110 goto out;
1111 }
1112 ioc->transport_cmds.status = MPT2_CMD_PENDING;
1113
1114 wait_state_count = 0;
1115 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1116 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
1117 if (wait_state_count++ == 10) {
1118 printk(MPT2SAS_ERR_FMT
1119 "%s: failed due to ioc not operational\n",
1120 ioc->name, __func__);
1121 rc = -EFAULT;
1122 goto out;
1123 }
1124 ssleep(1);
1125 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1126 printk(MPT2SAS_INFO_FMT "%s: waiting for "
1127 "operational state(count=%d)\n", ioc->name,
1128 __func__, wait_state_count);
1129 }
1130 if (wait_state_count)
1131 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
1132 ioc->name, __func__);
1133
1134 smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
1135 if (!smid) {
1136 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1137 ioc->name, __func__);
1138 rc = -EAGAIN;
1139 goto out;
1140 }
1141
1142 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1143 ioc->transport_cmds.smid = smid;
1144
1145 sz = sizeof(struct phy_error_log_request) +
1146 sizeof(struct phy_error_log_reply);
1147 data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
1148 if (!data_out) {
1149 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
1150 __LINE__, __func__);
1151 rc = -ENOMEM;
1152 mpt2sas_base_free_smid(ioc, smid);
1153 goto out;
1154 }
1155
1156 rc = -EINVAL;
1157 memset(data_out, 0, sz);
1158 phy_error_log_request = data_out;
1159 phy_error_log_request->smp_frame_type = 0x40;
1160 phy_error_log_request->function = 0x11;
1161 phy_error_log_request->request_length = 2;
1162 phy_error_log_request->allocated_response_length = 0;
1163 phy_error_log_request->phy_identifier = phy->number;
1164
1165 memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
1166 mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
1167 mpi_request->PhysicalPort = 0xFF;
1168 mpi_request->VF_ID = 0; /* TODO */
1169 mpi_request->VP_ID = 0;
1170 mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
1171 mpi_request->RequestDataLength =
1172 cpu_to_le16(sizeof(struct phy_error_log_request));
1173 psge = &mpi_request->SGL;
1174
1175 /* WRITE sgel first */
1176 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1177 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
1178 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1179 ioc->base_add_sg_single(psge, sgl_flags |
1180 sizeof(struct phy_error_log_request), data_out_dma);
1181
1182 /* incr sgel */
1183 psge += ioc->sge_size;
1184
1185 /* READ sgel last */
1186 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1187 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
1188 MPI2_SGE_FLAGS_END_OF_LIST);
1189 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1190 ioc->base_add_sg_single(psge, sgl_flags |
1191 sizeof(struct phy_error_log_reply), data_out_dma +
1192 sizeof(struct phy_error_log_request));
1193
1194 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
1195 "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name,
1196 (unsigned long long)phy->identify.sas_address, phy->number));
1197 init_completion(&ioc->transport_cmds.done);
1198 mpt2sas_base_put_smid_default(ioc, smid);
1199 timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
1200 10*HZ);
1201
1202 if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
1203 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
1204 ioc->name, __func__);
1205 _debug_dump_mf(mpi_request,
1206 sizeof(Mpi2SmpPassthroughRequest_t)/4);
1207 if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
1208 issue_reset = 1;
1209 goto issue_host_reset;
1210 }
1211
1212 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
1213 "complete\n", ioc->name));
1214
1215 if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
1216
1217 mpi_reply = ioc->transport_cmds.reply;
1218
1219 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
1220 "phy_error_log - reply data transfer size(%d)\n",
1221 ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
1222
1223 if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
1224 sizeof(struct phy_error_log_reply))
1225 goto out;
1226
1227 phy_error_log_reply = data_out +
1228 sizeof(struct phy_error_log_request);
1229
1230 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
1231 "phy_error_log - function_result(%d)\n",
1232 ioc->name, phy_error_log_reply->function_result));
1233
1234 phy->invalid_dword_count =
1235 be32_to_cpu(phy_error_log_reply->invalid_dword);
1236 phy->running_disparity_error_count =
1237 be32_to_cpu(phy_error_log_reply->running_disparity_error);
1238 phy->loss_of_dword_sync_count =
1239 be32_to_cpu(phy_error_log_reply->loss_of_dword_sync);
1240 phy->phy_reset_problem_count =
1241 be32_to_cpu(phy_error_log_reply->phy_reset_problem);
1242 rc = 0;
1243 } else
1244 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
1245 "phy_error_log - no reply\n", ioc->name));
1246
1247 issue_host_reset:
1248 if (issue_reset)
1249 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1250 FORCE_BIG_HAMMER);
1251 out:
1252 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
1253 if (data_out)
1254 pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
1255
1256 mutex_unlock(&ioc->transport_cmds.mutex);
1257 return rc;
1258}
1259
1260/**
1261 * _transport_get_linkerrors - return phy counters for both hba and expanders
1262 * @phy: The sas phy object
1263 *
1264 * Returns 0 for success, non-zero for failure.
1265 *
1266 */
1267static int
1268_transport_get_linkerrors(struct sas_phy *phy)
1269{
1270 struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
1271 unsigned long flags;
1272 Mpi2ConfigReply_t mpi_reply;
1273 Mpi2SasPhyPage1_t phy_pg1;
1274
1275 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1276 if (_transport_sas_node_find_by_sas_address(ioc,
1277 phy->identify.sas_address) == NULL) {
1278 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1279 return -EINVAL;
1280 }
1281 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1282
1283 if (phy->identify.sas_address != ioc->sas_hba.sas_address)
1284 return _transport_get_expander_phy_error_log(ioc, phy);
1285
1286 /* get hba phy error logs */
1287 if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1,
1288 phy->number))) {
1289 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1290 ioc->name, __FILE__, __LINE__, __func__);
1291 return -ENXIO;
1292 }
1293
1294 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
1295 printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
1296 "(0x%04x), loginfo(0x%08x)\n", ioc->name,
1297 phy->number, le16_to_cpu(mpi_reply.IOCStatus),
1298 le32_to_cpu(mpi_reply.IOCLogInfo));
1299
1300 phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount);
1301 phy->running_disparity_error_count =
1302 le32_to_cpu(phy_pg1.RunningDisparityErrorCount);
1303 phy->loss_of_dword_sync_count =
1304 le32_to_cpu(phy_pg1.LossDwordSynchCount);
1305 phy->phy_reset_problem_count =
1306 le32_to_cpu(phy_pg1.PhyResetProblemCount);
1307 return 0;
1308}
1309
1310/**
1311 * _transport_get_enclosure_identifier -
1312 * @phy: The sas phy object
1313 *
1314 * Obtain the enclosure logical id for an expander.
1315 * Returns 0 for success, non-zero for failure.
1316 */
1317static int
1318_transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
1319{
1320 struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
1321 struct _sas_device *sas_device;
1322 unsigned long flags;
1323 int rc;
1324
1325 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1326 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
1327 rphy->identify.sas_address);
1328 if (sas_device) {
1329 *identifier = sas_device->enclosure_logical_id;
1330 rc = 0;
1331 sas_device_put(sas_device);
1332 } else {
1333 *identifier = 0;
1334 rc = -ENXIO;
1335 }
1336
1337 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1338 return rc;
1339}
1340
1341/**
1342 * _transport_get_bay_identifier -
1343 * @phy: The sas phy object
1344 *
1345 * Returns the slot id for a device that resides inside an enclosure.
1346 */
1347static int
1348_transport_get_bay_identifier(struct sas_rphy *rphy)
1349{
1350 struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
1351 struct _sas_device *sas_device;
1352 unsigned long flags;
1353 int rc;
1354
1355 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1356 sas_device = __mpt2sas_get_sdev_by_addr(ioc,
1357 rphy->identify.sas_address);
1358 if (sas_device) {
1359 rc = sas_device->slot;
1360 sas_device_put(sas_device);
1361 } else {
1362 rc = -ENXIO;
1363 }
1364 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1365 return rc;
1366}
1367
1368/* phy control request structure */
1369struct phy_control_request{
1370 u8 smp_frame_type; /* 0x40 */
1371 u8 function; /* 0x91 */
1372 u8 allocated_response_length;
1373 u8 request_length; /* 0x09 */
1374 u16 expander_change_count;
1375 u8 reserved_1[3];
1376 u8 phy_identifier;
1377 u8 phy_operation;
1378 u8 reserved_2[13];
1379 u64 attached_device_name;
1380 u8 programmed_min_physical_link_rate;
1381 u8 programmed_max_physical_link_rate;
1382 u8 reserved_3[6];
1383};
1384
1385/* phy control reply structure */
1386struct phy_control_reply{
1387 u8 smp_frame_type; /* 0x41 */
1388 u8 function; /* 0x11 */
1389 u8 function_result;
1390 u8 response_length;
1391};
1392
1393#define SMP_PHY_CONTROL_LINK_RESET (0x01)
1394#define SMP_PHY_CONTROL_HARD_RESET (0x02)
1395#define SMP_PHY_CONTROL_DISABLE (0x03)
1396
1397/**
1398 * _transport_expander_phy_control - expander phy control
1399 * @ioc: per adapter object
1400 * @phy: The sas phy object
1401 *
1402 * Returns 0 for success, non-zero for failure.
1403 *
1404 */
1405static int
1406_transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc,
1407 struct sas_phy *phy, u8 phy_operation)
1408{
1409 Mpi2SmpPassthroughRequest_t *mpi_request;
1410 Mpi2SmpPassthroughReply_t *mpi_reply;
1411 struct phy_control_request *phy_control_request;
1412 struct phy_control_reply *phy_control_reply;
1413 int rc;
1414 u16 smid;
1415 u32 ioc_state;
1416 unsigned long timeleft;
1417 void *psge;
1418 u32 sgl_flags;
1419 u8 issue_reset = 0;
1420 void *data_out = NULL;
1421 dma_addr_t data_out_dma;
1422 u32 sz;
1423 u16 wait_state_count;
1424
1425 if (ioc->shost_recovery) {
1426 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
1427 __func__, ioc->name);
1428 return -EFAULT;
1429 }
1430
1431 mutex_lock(&ioc->transport_cmds.mutex);
1432
1433 if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
1434 printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
1435 ioc->name, __func__);
1436 rc = -EAGAIN;
1437 goto out;
1438 }
1439 ioc->transport_cmds.status = MPT2_CMD_PENDING;
1440
1441 wait_state_count = 0;
1442 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1443 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
1444 if (wait_state_count++ == 10) {
1445 printk(MPT2SAS_ERR_FMT
1446 "%s: failed due to ioc not operational\n",
1447 ioc->name, __func__);
1448 rc = -EFAULT;
1449 goto out;
1450 }
1451 ssleep(1);
1452 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1453 printk(MPT2SAS_INFO_FMT "%s: waiting for "
1454 "operational state(count=%d)\n", ioc->name,
1455 __func__, wait_state_count);
1456 }
1457 if (wait_state_count)
1458 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
1459 ioc->name, __func__);
1460
1461 smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
1462 if (!smid) {
1463 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1464 ioc->name, __func__);
1465 rc = -EAGAIN;
1466 goto out;
1467 }
1468
1469 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1470 ioc->transport_cmds.smid = smid;
1471
1472 sz = sizeof(struct phy_control_request) +
1473 sizeof(struct phy_control_reply);
1474 data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
1475 if (!data_out) {
1476 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
1477 __LINE__, __func__);
1478 rc = -ENOMEM;
1479 mpt2sas_base_free_smid(ioc, smid);
1480 goto out;
1481 }
1482
1483 rc = -EINVAL;
1484 memset(data_out, 0, sz);
1485 phy_control_request = data_out;
1486 phy_control_request->smp_frame_type = 0x40;
1487 phy_control_request->function = 0x91;
1488 phy_control_request->request_length = 9;
1489 phy_control_request->allocated_response_length = 0;
1490 phy_control_request->phy_identifier = phy->number;
1491 phy_control_request->phy_operation = phy_operation;
1492 phy_control_request->programmed_min_physical_link_rate =
1493 phy->minimum_linkrate << 4;
1494 phy_control_request->programmed_max_physical_link_rate =
1495 phy->maximum_linkrate << 4;
1496
1497 memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
1498 mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
1499 mpi_request->PhysicalPort = 0xFF;
1500 mpi_request->VF_ID = 0; /* TODO */
1501 mpi_request->VP_ID = 0;
1502 mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
1503 mpi_request->RequestDataLength =
1504 cpu_to_le16(sizeof(struct phy_error_log_request));
1505 psge = &mpi_request->SGL;
1506
1507 /* WRITE sgel first */
1508 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1509 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
1510 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1511 ioc->base_add_sg_single(psge, sgl_flags |
1512 sizeof(struct phy_control_request), data_out_dma);
1513
1514 /* incr sgel */
1515 psge += ioc->sge_size;
1516
1517 /* READ sgel last */
1518 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1519 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
1520 MPI2_SGE_FLAGS_END_OF_LIST);
1521 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1522 ioc->base_add_sg_single(psge, sgl_flags |
1523 sizeof(struct phy_control_reply), data_out_dma +
1524 sizeof(struct phy_control_request));
1525
1526 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
1527 "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name,
1528 (unsigned long long)phy->identify.sas_address, phy->number,
1529 phy_operation));
1530
1531 init_completion(&ioc->transport_cmds.done);
1532 mpt2sas_base_put_smid_default(ioc, smid);
1533 timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
1534 10*HZ);
1535
1536 if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
1537 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
1538 ioc->name, __func__);
1539 _debug_dump_mf(mpi_request,
1540 sizeof(Mpi2SmpPassthroughRequest_t)/4);
1541 if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
1542 issue_reset = 1;
1543 goto issue_host_reset;
1544 }
1545
1546 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
1547 "complete\n", ioc->name));
1548
1549 if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
1550
1551 mpi_reply = ioc->transport_cmds.reply;
1552
1553 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
1554 "phy_control - reply data transfer size(%d)\n",
1555 ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
1556
1557 if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
1558 sizeof(struct phy_control_reply))
1559 goto out;
1560
1561 phy_control_reply = data_out +
1562 sizeof(struct phy_control_request);
1563
1564 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
1565 "phy_control - function_result(%d)\n",
1566 ioc->name, phy_control_reply->function_result));
1567
1568 rc = 0;
1569 } else
1570 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
1571 "phy_control - no reply\n", ioc->name));
1572
1573 issue_host_reset:
1574 if (issue_reset)
1575 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1576 FORCE_BIG_HAMMER);
1577 out:
1578 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
1579 if (data_out)
1580 pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
1581
1582 mutex_unlock(&ioc->transport_cmds.mutex);
1583 return rc;
1584}
1585
1586/**
1587 * _transport_phy_reset -
1588 * @phy: The sas phy object
1589 * @hard_reset:
1590 *
1591 * Returns 0 for success, non-zero for failure.
1592 */
1593static int
1594_transport_phy_reset(struct sas_phy *phy, int hard_reset)
1595{
1596 struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
1597 Mpi2SasIoUnitControlReply_t mpi_reply;
1598 Mpi2SasIoUnitControlRequest_t mpi_request;
1599 unsigned long flags;
1600
1601 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1602 if (_transport_sas_node_find_by_sas_address(ioc,
1603 phy->identify.sas_address) == NULL) {
1604 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1605 return -EINVAL;
1606 }
1607 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1608
1609 /* handle expander phys */
1610 if (phy->identify.sas_address != ioc->sas_hba.sas_address)
1611 return _transport_expander_phy_control(ioc, phy,
1612 (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET :
1613 SMP_PHY_CONTROL_LINK_RESET);
1614
1615 /* handle hba phys */
1616 memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t));
1617 mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
1618 mpi_request.Operation = hard_reset ?
1619 MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET;
1620 mpi_request.PhyNum = phy->number;
1621
1622 if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) {
1623 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1624 ioc->name, __FILE__, __LINE__, __func__);
1625 return -ENXIO;
1626 }
1627
1628 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
1629 printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
1630 "(0x%04x), loginfo(0x%08x)\n", ioc->name,
1631 phy->number, le16_to_cpu(mpi_reply.IOCStatus),
1632 le32_to_cpu(mpi_reply.IOCLogInfo));
1633
1634 return 0;
1635}
1636
1637/**
1638 * _transport_phy_enable - enable/disable phys
1639 * @phy: The sas phy object
1640 * @enable: enable phy when true
1641 *
1642 * Only support sas_host direct attached phys.
1643 * Returns 0 for success, non-zero for failure.
1644 */
1645static int
1646_transport_phy_enable(struct sas_phy *phy, int enable)
1647{
1648 struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
1649 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
1650 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
1651 Mpi2ConfigReply_t mpi_reply;
1652 u16 ioc_status;
1653 u16 sz;
1654 int rc = 0;
1655 unsigned long flags;
1656 int i, discovery_active;
1657
1658 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1659 if (_transport_sas_node_find_by_sas_address(ioc,
1660 phy->identify.sas_address) == NULL) {
1661 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1662 return -EINVAL;
1663 }
1664 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1665
1666 /* handle expander phys */
1667 if (phy->identify.sas_address != ioc->sas_hba.sas_address)
1668 return _transport_expander_phy_control(ioc, phy,
1669 (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET :
1670 SMP_PHY_CONTROL_DISABLE);
1671
1672 /* handle hba phys */
1673
1674 /* read sas_iounit page 0 */
1675 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
1676 sizeof(Mpi2SasIOUnit0PhyData_t));
1677 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
1678 if (!sas_iounit_pg0) {
1679 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1680 ioc->name, __FILE__, __LINE__, __func__);
1681 rc = -ENOMEM;
1682 goto out;
1683 }
1684 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
1685 sas_iounit_pg0, sz))) {
1686 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1687 ioc->name, __FILE__, __LINE__, __func__);
1688 rc = -ENXIO;
1689 goto out;
1690 }
1691 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1692 MPI2_IOCSTATUS_MASK;
1693 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1694 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1695 ioc->name, __FILE__, __LINE__, __func__);
1696 rc = -EIO;
1697 goto out;
1698 }
1699
1700 /* unable to enable/disable phys when when discovery is active */
1701 for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) {
1702 if (sas_iounit_pg0->PhyData[i].PortFlags &
1703 MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) {
1704 printk(MPT2SAS_ERR_FMT "discovery is active on "
1705 "port = %d, phy = %d: unable to enable/disable "
1706 "phys, try again later!\n", ioc->name,
1707 sas_iounit_pg0->PhyData[i].Port, i);
1708 discovery_active = 1;
1709 }
1710 }
1711
1712 if (discovery_active) {
1713 rc = -EAGAIN;
1714 goto out;
1715 }
1716
1717 /* read sas_iounit page 1 */
1718 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
1719 sizeof(Mpi2SasIOUnit1PhyData_t));
1720 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
1721 if (!sas_iounit_pg1) {
1722 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1723 ioc->name, __FILE__, __LINE__, __func__);
1724 rc = -ENOMEM;
1725 goto out;
1726 }
1727 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
1728 sas_iounit_pg1, sz))) {
1729 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1730 ioc->name, __FILE__, __LINE__, __func__);
1731 rc = -ENXIO;
1732 goto out;
1733 }
1734 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1735 MPI2_IOCSTATUS_MASK;
1736 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1737 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1738 ioc->name, __FILE__, __LINE__, __func__);
1739 rc = -EIO;
1740 goto out;
1741 }
1742 /* copy Port/PortFlags/PhyFlags from page 0 */
1743 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
1744 sas_iounit_pg1->PhyData[i].Port =
1745 sas_iounit_pg0->PhyData[i].Port;
1746 sas_iounit_pg1->PhyData[i].PortFlags =
1747 (sas_iounit_pg0->PhyData[i].PortFlags &
1748 MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG);
1749 sas_iounit_pg1->PhyData[i].PhyFlags =
1750 (sas_iounit_pg0->PhyData[i].PhyFlags &
1751 (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED +
1752 MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED));
1753 }
1754 if (enable)
1755 sas_iounit_pg1->PhyData[phy->number].PhyFlags
1756 &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
1757 else
1758 sas_iounit_pg1->PhyData[phy->number].PhyFlags
1759 |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
1760
1761 mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz);
1762
1763 /* link reset */
1764 if (enable)
1765 _transport_phy_reset(phy, 0);
1766
1767 out:
1768 kfree(sas_iounit_pg1);
1769 kfree(sas_iounit_pg0);
1770 return rc;
1771}
1772
1773/**
1774 * _transport_phy_speed - set phy min/max link rates
1775 * @phy: The sas phy object
1776 * @rates: rates defined in sas_phy_linkrates
1777 *
1778 * Only support sas_host direct attached phys.
1779 * Returns 0 for success, non-zero for failure.
1780 */
1781static int
1782_transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
1783{
1784 struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
1785 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
1786 Mpi2SasPhyPage0_t phy_pg0;
1787 Mpi2ConfigReply_t mpi_reply;
1788 u16 ioc_status;
1789 u16 sz;
1790 int i;
1791 int rc = 0;
1792 unsigned long flags;
1793
1794 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1795 if (_transport_sas_node_find_by_sas_address(ioc,
1796 phy->identify.sas_address) == NULL) {
1797 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1798 return -EINVAL;
1799 }
1800 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1801
1802 if (!rates->minimum_linkrate)
1803 rates->minimum_linkrate = phy->minimum_linkrate;
1804 else if (rates->minimum_linkrate < phy->minimum_linkrate_hw)
1805 rates->minimum_linkrate = phy->minimum_linkrate_hw;
1806
1807 if (!rates->maximum_linkrate)
1808 rates->maximum_linkrate = phy->maximum_linkrate;
1809 else if (rates->maximum_linkrate > phy->maximum_linkrate_hw)
1810 rates->maximum_linkrate = phy->maximum_linkrate_hw;
1811
1812 /* handle expander phys */
1813 if (phy->identify.sas_address != ioc->sas_hba.sas_address) {
1814 phy->minimum_linkrate = rates->minimum_linkrate;
1815 phy->maximum_linkrate = rates->maximum_linkrate;
1816 return _transport_expander_phy_control(ioc, phy,
1817 SMP_PHY_CONTROL_LINK_RESET);
1818 }
1819
1820 /* handle hba phys */
1821
1822 /* sas_iounit page 1 */
1823 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
1824 sizeof(Mpi2SasIOUnit1PhyData_t));
1825 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
1826 if (!sas_iounit_pg1) {
1827 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1828 ioc->name, __FILE__, __LINE__, __func__);
1829 rc = -ENOMEM;
1830 goto out;
1831 }
1832 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
1833 sas_iounit_pg1, sz))) {
1834 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1835 ioc->name, __FILE__, __LINE__, __func__);
1836 rc = -ENXIO;
1837 goto out;
1838 }
1839 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1840 MPI2_IOCSTATUS_MASK;
1841 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1842 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1843 ioc->name, __FILE__, __LINE__, __func__);
1844 rc = -EIO;
1845 goto out;
1846 }
1847
1848 for (i = 0; i < ioc->sas_hba.num_phys; i++) {
1849 if (phy->number != i) {
1850 sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
1851 (ioc->sas_hba.phy[i].phy->minimum_linkrate +
1852 (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4));
1853 } else {
1854 sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
1855 (rates->minimum_linkrate +
1856 (rates->maximum_linkrate << 4));
1857 }
1858 }
1859
1860 if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
1861 sz)) {
1862 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1863 ioc->name, __FILE__, __LINE__, __func__);
1864 rc = -ENXIO;
1865 goto out;
1866 }
1867
1868 /* link reset */
1869 _transport_phy_reset(phy, 0);
1870
1871 /* read phy page 0, then update the rates in the sas transport phy */
1872 if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
1873 phy->number)) {
1874 phy->minimum_linkrate = _transport_convert_phy_link_rate(
1875 phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
1876 phy->maximum_linkrate = _transport_convert_phy_link_rate(
1877 phy_pg0.ProgrammedLinkRate >> 4);
1878 phy->negotiated_linkrate = _transport_convert_phy_link_rate(
1879 phy_pg0.NegotiatedLinkRate &
1880 MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
1881 }
1882
1883 out:
1884 kfree(sas_iounit_pg1);
1885 return rc;
1886}
1887
1888
1889/**
1890 * _transport_smp_handler - transport portal for smp passthru
1891 * @shost: shost object
1892 * @rphy: sas transport rphy object
1893 * @req:
1894 *
1895 * This used primarily for smp_utils.
1896 * Example:
1897 * smp_rep_general /sys/class/bsg/expander-5:0
1898 */
1899static int
1900_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
1901 struct request *req)
1902{
1903 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1904 Mpi2SmpPassthroughRequest_t *mpi_request;
1905 Mpi2SmpPassthroughReply_t *mpi_reply;
1906 int rc;
1907 u16 smid;
1908 u32 ioc_state;
1909 unsigned long timeleft;
1910 void *psge;
1911 u32 sgl_flags;
1912 u8 issue_reset = 0;
1913 dma_addr_t dma_addr_in = 0;
1914 dma_addr_t dma_addr_out = 0;
1915 dma_addr_t pci_dma_in = 0;
1916 dma_addr_t pci_dma_out = 0;
1917 void *pci_addr_in = NULL;
1918 void *pci_addr_out = NULL;
1919 u16 wait_state_count;
1920 struct request *rsp = req->next_rq;
1921 struct bio_vec bvec;
1922 struct bvec_iter iter;
1923
1924 if (!rsp) {
1925 printk(MPT2SAS_ERR_FMT "%s: the smp response space is "
1926 "missing\n", ioc->name, __func__);
1927 return -EINVAL;
1928 }
1929 if (ioc->shost_recovery || ioc->pci_error_recovery) {
1930 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
1931 __func__, ioc->name);
1932 return -EFAULT;
1933 }
1934
1935 rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex);
1936 if (rc)
1937 return rc;
1938
1939 if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
1940 printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name,
1941 __func__);
1942 rc = -EAGAIN;
1943 goto out;
1944 }
1945 ioc->transport_cmds.status = MPT2_CMD_PENDING;
1946
1947 /* Check if the request is split across multiple segments */
1948 if (bio_multiple_segments(req->bio)) {
1949 u32 offset = 0;
1950
1951 /* Allocate memory and copy the request */
1952 pci_addr_out = pci_alloc_consistent(ioc->pdev,
1953 blk_rq_bytes(req), &pci_dma_out);
1954 if (!pci_addr_out) {
1955 printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n",
1956 ioc->name, __func__);
1957 rc = -ENOMEM;
1958 goto out;
1959 }
1960
1961 bio_for_each_segment(bvec, req->bio, iter) {
1962 memcpy(pci_addr_out + offset,
1963 page_address(bvec.bv_page) + bvec.bv_offset,
1964 bvec.bv_len);
1965 offset += bvec.bv_len;
1966 }
1967 } else {
1968 dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio),
1969 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
1970 if (!dma_addr_out) {
1971 printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n",
1972 ioc->name, __func__);
1973 rc = -ENOMEM;
1974 goto free_pci;
1975 }
1976 }
1977
1978 /* Check if the response needs to be populated across
1979 * multiple segments */
1980 if (bio_multiple_segments(rsp->bio)) {
1981 pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp),
1982 &pci_dma_in);
1983 if (!pci_addr_in) {
1984 printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n",
1985 ioc->name, __func__);
1986 rc = -ENOMEM;
1987 goto unmap;
1988 }
1989 } else {
1990 dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio),
1991 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
1992 if (!dma_addr_in) {
1993 printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n",
1994 ioc->name, __func__);
1995 rc = -ENOMEM;
1996 goto unmap;
1997 }
1998 }
1999
2000 wait_state_count = 0;
2001 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
2002 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
2003 if (wait_state_count++ == 10) {
2004 printk(MPT2SAS_ERR_FMT
2005 "%s: failed due to ioc not operational\n",
2006 ioc->name, __func__);
2007 rc = -EFAULT;
2008 goto unmap;
2009 }
2010 ssleep(1);
2011 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
2012 printk(MPT2SAS_INFO_FMT "%s: waiting for "
2013 "operational state(count=%d)\n", ioc->name,
2014 __func__, wait_state_count);
2015 }
2016 if (wait_state_count)
2017 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
2018 ioc->name, __func__);
2019
2020 smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
2021 if (!smid) {
2022 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2023 ioc->name, __func__);
2024 rc = -EAGAIN;
2025 goto unmap;
2026 }
2027
2028 rc = 0;
2029 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2030 ioc->transport_cmds.smid = smid;
2031
2032 memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
2033 mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
2034 mpi_request->PhysicalPort = 0xFF;
2035 mpi_request->VF_ID = 0; /* TODO */
2036 mpi_request->VP_ID = 0;
2037 mpi_request->SASAddress = (rphy) ?
2038 cpu_to_le64(rphy->identify.sas_address) :
2039 cpu_to_le64(ioc->sas_hba.sas_address);
2040 mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2041 psge = &mpi_request->SGL;
2042
2043 /* WRITE sgel first */
2044 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
2045 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
2046 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
2047 if (bio_multiple_segments(req->bio)) {
2048 ioc->base_add_sg_single(psge, sgl_flags |
2049 (blk_rq_bytes(req) - 4), pci_dma_out);
2050 } else {
2051 ioc->base_add_sg_single(psge, sgl_flags |
2052 (blk_rq_bytes(req) - 4), dma_addr_out);
2053 }
2054
2055 /* incr sgel */
2056 psge += ioc->sge_size;
2057
2058 /* READ sgel last */
2059 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
2060 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
2061 MPI2_SGE_FLAGS_END_OF_LIST);
2062 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
2063 if (bio_multiple_segments(rsp->bio)) {
2064 ioc->base_add_sg_single(psge, sgl_flags |
2065 (blk_rq_bytes(rsp) + 4), pci_dma_in);
2066 } else {
2067 ioc->base_add_sg_single(psge, sgl_flags |
2068 (blk_rq_bytes(rsp) + 4), dma_addr_in);
2069 }
2070
2071 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
2072 "sending smp request\n", ioc->name, __func__));
2073
2074 init_completion(&ioc->transport_cmds.done);
2075 mpt2sas_base_put_smid_default(ioc, smid);
2076 timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
2077 10*HZ);
2078
2079 if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
2080 printk(MPT2SAS_ERR_FMT "%s : timeout\n",
2081 __func__, ioc->name);
2082 _debug_dump_mf(mpi_request,
2083 sizeof(Mpi2SmpPassthroughRequest_t)/4);
2084 if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
2085 issue_reset = 1;
2086 goto issue_host_reset;
2087 }
2088
2089 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
2090 "complete\n", ioc->name, __func__));
2091
2092 if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
2093
2094 mpi_reply = ioc->transport_cmds.reply;
2095
2096 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
2097 "%s - reply data transfer size(%d)\n",
2098 ioc->name, __func__,
2099 le16_to_cpu(mpi_reply->ResponseDataLength)));
2100
2101 memcpy(req->sense, mpi_reply, sizeof(*mpi_reply));
2102 req->sense_len = sizeof(*mpi_reply);
2103 req->resid_len = 0;
2104 rsp->resid_len -=
2105 le16_to_cpu(mpi_reply->ResponseDataLength);
2106 /* check if the resp needs to be copied from the allocated
2107 * pci mem */
2108 if (bio_multiple_segments(rsp->bio)) {
2109 u32 offset = 0;
2110 u32 bytes_to_copy =
2111 le16_to_cpu(mpi_reply->ResponseDataLength);
2112 bio_for_each_segment(bvec, rsp->bio, iter) {
2113 if (bytes_to_copy <= bvec.bv_len) {
2114 memcpy(page_address(bvec.bv_page) +
2115 bvec.bv_offset, pci_addr_in +
2116 offset, bytes_to_copy);
2117 break;
2118 } else {
2119 memcpy(page_address(bvec.bv_page) +
2120 bvec.bv_offset, pci_addr_in +
2121 offset, bvec.bv_len);
2122 bytes_to_copy -= bvec.bv_len;
2123 }
2124 offset += bvec.bv_len;
2125 }
2126 }
2127 } else {
2128 dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
2129 "%s - no reply\n", ioc->name, __func__));
2130 rc = -ENXIO;
2131 }
2132
2133 issue_host_reset:
2134 if (issue_reset) {
2135 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2136 FORCE_BIG_HAMMER);
2137 rc = -ETIMEDOUT;
2138 }
2139
2140 unmap:
2141 if (dma_addr_out)
2142 pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req),
2143 PCI_DMA_BIDIRECTIONAL);
2144 if (dma_addr_in)
2145 pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp),
2146 PCI_DMA_BIDIRECTIONAL);
2147
2148 free_pci:
2149 if (pci_addr_out)
2150 pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out,
2151 pci_dma_out);
2152
2153 if (pci_addr_in)
2154 pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in,
2155 pci_dma_in);
2156
2157 out:
2158 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
2159 mutex_unlock(&ioc->transport_cmds.mutex);
2160 return rc;
2161}
2162
2163struct sas_function_template mpt2sas_transport_functions = {
2164 .get_linkerrors = _transport_get_linkerrors,
2165 .get_enclosure_identifier = _transport_get_enclosure_identifier,
2166 .get_bay_identifier = _transport_get_bay_identifier,
2167 .phy_reset = _transport_phy_reset,
2168 .phy_enable = _transport_phy_enable,
2169 .set_phy_speed = _transport_phy_speed,
2170 .smp_handler = _transport_smp_handler,
2171};
2172
2173struct scsi_transport_template *mpt2sas_transport_template;
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-12 13:54:23 -0400