aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r--drivers/scsi/lpfc/Makefile32
-rw-r--r--drivers/scsi/lpfc/lpfc.h384
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c1291
-rw-r--r--drivers/scsi/lpfc/lpfc_compat.h97
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h216
-rw-r--r--drivers/scsi/lpfc/lpfc_ct.c1237
-rw-r--r--drivers/scsi/lpfc/lpfc_disc.h206
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c3258
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c2537
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h2687
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c1739
-rw-r--r--drivers/scsi/lpfc/lpfc_logmsg.h41
-rw-r--r--drivers/scsi/lpfc/lpfc_mbox.c646
-rw-r--r--drivers/scsi/lpfc/lpfc_mem.c179
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c1842
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c1246
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.h157
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c2885
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.h216
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h32
20 files changed, 20928 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/Makefile b/drivers/scsi/lpfc/Makefile
new file mode 100644
index 000000000000..2b3098591c41
--- /dev/null
+++ b/drivers/scsi/lpfc/Makefile
@@ -0,0 +1,32 @@
1#/*******************************************************************
2# * This file is part of the Emulex Linux Device Driver for *
3# * Enterprise Fibre Channel Host Bus Adapters. *
4# * Refer to the README file included with this package for *
5# * driver version and adapter support. *
6# * Copyright (C) 2004 Emulex Corporation. *
7# * www.emulex.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, a copy of which *
18# * can be found in the file COPYING included with this package. *
19# *******************************************************************/
20######################################################################
21
22#$Id: Makefile 1.58 2005/01/23 19:00:32EST sf_support Exp $
23
24ifneq ($(GCOV),)
25 EXTRA_CFLAGS += -fprofile-arcs -ftest-coverage
26 EXTRA_CFLAGS += -O0
27endif
28
29obj-$(CONFIG_SCSI_LPFC) := lpfc.o
30
31lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o \
32 lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
new file mode 100644
index 000000000000..d78247c63d04
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -0,0 +1,384 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc.h 1.167 2005/04/07 08:47:05EDT sf_support Exp $
23 */
24
25struct lpfc_sli2_slim;
26
27#define LPFC_MAX_TARGET 256 /* max targets supported */
28#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */
29#define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */
30
31#define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */
32#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
33#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
34
35#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */
36#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
37#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
38
39/* Define macros for 64 bit support */
40#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
41#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
42#define getPaddr(high, low) ((dma_addr_t)( \
43 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
44/* Provide maximum configuration definitions. */
45#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
46#define MAX_FCP_TARGET 256 /* max num of FCP targets supported */
47#define FC_MAX_ADPTMSG 64
48
49#define MAX_HBAEVT 32
50
51/* Provide DMA memory definitions the driver uses per port instance. */
52struct lpfc_dmabuf {
53 struct list_head list;
54 void *virt; /* virtual address ptr */
55 dma_addr_t phys; /* mapped address */
56};
57
58struct lpfc_dma_pool {
59 struct lpfc_dmabuf *elements;
60 uint32_t max_count;
61 uint32_t current_count;
62};
63
64/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
65#define MEM_PRI 0x100
66
67
68/****************************************************************************/
69/* Device VPD save area */
70/****************************************************************************/
71typedef struct lpfc_vpd {
72 uint32_t status; /* vpd status value */
73 uint32_t length; /* number of bytes actually returned */
74 struct {
75 uint32_t rsvd1; /* Revision numbers */
76 uint32_t biuRev;
77 uint32_t smRev;
78 uint32_t smFwRev;
79 uint32_t endecRev;
80 uint16_t rBit;
81 uint8_t fcphHigh;
82 uint8_t fcphLow;
83 uint8_t feaLevelHigh;
84 uint8_t feaLevelLow;
85 uint32_t postKernRev;
86 uint32_t opFwRev;
87 uint8_t opFwName[16];
88 uint32_t sli1FwRev;
89 uint8_t sli1FwName[16];
90 uint32_t sli2FwRev;
91 uint8_t sli2FwName[16];
92 } rev;
93} lpfc_vpd_t;
94
95struct lpfc_scsi_buf;
96
97
98/*
99 * lpfc stat counters
100 */
101struct lpfc_stats {
102 /* Statistics for ELS commands */
103 uint32_t elsLogiCol;
104 uint32_t elsRetryExceeded;
105 uint32_t elsXmitRetry;
106 uint32_t elsDelayRetry;
107 uint32_t elsRcvDrop;
108 uint32_t elsRcvFrame;
109 uint32_t elsRcvRSCN;
110 uint32_t elsRcvRNID;
111 uint32_t elsRcvFARP;
112 uint32_t elsRcvFARPR;
113 uint32_t elsRcvFLOGI;
114 uint32_t elsRcvPLOGI;
115 uint32_t elsRcvADISC;
116 uint32_t elsRcvPDISC;
117 uint32_t elsRcvFAN;
118 uint32_t elsRcvLOGO;
119 uint32_t elsRcvPRLO;
120 uint32_t elsRcvPRLI;
121 uint32_t elsRcvRRQ;
122 uint32_t elsXmitFLOGI;
123 uint32_t elsXmitPLOGI;
124 uint32_t elsXmitPRLI;
125 uint32_t elsXmitADISC;
126 uint32_t elsXmitLOGO;
127 uint32_t elsXmitSCR;
128 uint32_t elsXmitRNID;
129 uint32_t elsXmitFARP;
130 uint32_t elsXmitFARPR;
131 uint32_t elsXmitACC;
132 uint32_t elsXmitLSRJT;
133
134 uint32_t frameRcvBcast;
135 uint32_t frameRcvMulti;
136 uint32_t strayXmitCmpl;
137 uint32_t frameXmitDelay;
138 uint32_t xriCmdCmpl;
139 uint32_t xriStatErr;
140 uint32_t LinkUp;
141 uint32_t LinkDown;
142 uint32_t LinkMultiEvent;
143 uint32_t NoRcvBuf;
144 uint32_t fcpCmd;
145 uint32_t fcpCmpl;
146 uint32_t fcpRspErr;
147 uint32_t fcpRemoteStop;
148 uint32_t fcpPortRjt;
149 uint32_t fcpPortBusy;
150 uint32_t fcpError;
151 uint32_t fcpLocalErr;
152};
153
154enum sysfs_mbox_state {
155 SMBOX_IDLE,
156 SMBOX_WRITING,
157 SMBOX_READING
158};
159
160struct lpfc_sysfs_mbox {
161 enum sysfs_mbox_state state;
162 size_t offset;
163 struct lpfcMboxq * mbox;
164};
165
166struct lpfc_hba {
167 struct list_head hba_list; /* List of hbas/ports */
168 struct lpfc_sli sli;
169 struct lpfc_sli2_slim *slim2p;
170 dma_addr_t slim2p_mapping;
171 uint16_t pci_cfg_value;
172
173 uint32_t hba_state;
174
175#define LPFC_INIT_START 1 /* Initial state after board reset */
176#define LPFC_INIT_MBX_CMDS 2 /* Initialize HBA with mbox commands */
177#define LPFC_LINK_DOWN 3 /* HBA initialized, link is down */
178#define LPFC_LINK_UP 4 /* Link is up - issue READ_LA */
179#define LPFC_LOCAL_CFG_LINK 5 /* local NPORT Id configured */
180#define LPFC_FLOGI 6 /* FLOGI sent to Fabric */
181#define LPFC_FABRIC_CFG_LINK 7 /* Fabric assigned NPORT Id
182 configured */
183#define LPFC_NS_REG 8 /* Register with NameServer */
184#define LPFC_NS_QRY 9 /* Query NameServer for NPort ID list */
185#define LPFC_BUILD_DISC_LIST 10 /* Build ADISC and PLOGI lists for
186 * device authentication / discovery */
187#define LPFC_DISC_AUTH 11 /* Processing ADISC list */
188#define LPFC_CLEAR_LA 12 /* authentication cmplt - issue
189 CLEAR_LA */
190#define LPFC_HBA_READY 32
191#define LPFC_HBA_ERROR 0xff
192
193 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
194
195 uint32_t fc_eventTag; /* event tag for link attention */
196 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
197
198 uint32_t num_disc_nodes; /*in addition to hba_state */
199
200 struct timer_list fc_estabtmo; /* link establishment timer */
201 struct timer_list fc_disctmo; /* Discovery rescue timer */
202 struct timer_list fc_fdmitmo; /* fdmi timer */
203 /* These fields used to be binfo */
204 struct lpfc_name fc_nodename; /* fc nodename */
205 struct lpfc_name fc_portname; /* fc portname */
206 uint32_t fc_pref_DID; /* preferred D_ID */
207 uint8_t fc_pref_ALPA; /* preferred AL_PA */
208 uint32_t fc_edtov; /* E_D_TOV timer value */
209 uint32_t fc_arbtov; /* ARB_TOV timer value */
210 uint32_t fc_ratov; /* R_A_TOV timer value */
211 uint32_t fc_rttov; /* R_T_TOV timer value */
212 uint32_t fc_altov; /* AL_TOV timer value */
213 uint32_t fc_crtov; /* C_R_TOV timer value */
214 uint32_t fc_citov; /* C_I_TOV timer value */
215 uint32_t fc_myDID; /* fibre channel S_ID */
216 uint32_t fc_prevDID; /* previous fibre channel S_ID */
217
218 struct serv_parm fc_sparam; /* buffer for our service parameters */
219 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
220 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
221
222 uint8_t fc_ns_retry; /* retries for fabric nameserver */
223 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
224 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
225 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
226 uint32_t lmt;
227 uint32_t fc_flag; /* FC flags */
228#define FC_PT2PT 0x1 /* pt2pt with no fabric */
229#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
230#define FC_DISC_TMO 0x4 /* Discovery timer running */
231#define FC_PUBLIC_LOOP 0x8 /* Public loop */
232#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
233#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
234#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
235#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
236#define FC_FABRIC 0x100 /* We are fabric attached */
237#define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
238#define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
239#define FC_LOADING 0x1000 /* HBA in process of loading drvr */
240#define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */
241#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
242#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
243#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
244
245 uint32_t fc_topology; /* link topology, from LINK INIT */
246
247 struct lpfc_stats fc_stat;
248
249 /* These are the head/tail pointers for the bind, plogi, adisc, unmap,
250 * and map lists. Their counters are immediately following.
251 */
252 struct list_head fc_plogi_list;
253 struct list_head fc_adisc_list;
254 struct list_head fc_reglogin_list;
255 struct list_head fc_prli_list;
256 struct list_head fc_nlpunmap_list;
257 struct list_head fc_nlpmap_list;
258 struct list_head fc_npr_list;
259 struct list_head fc_unused_list;
260
261 /* Keep counters for the number of entries in each list. */
262 uint16_t fc_plogi_cnt;
263 uint16_t fc_adisc_cnt;
264 uint16_t fc_reglogin_cnt;
265 uint16_t fc_prli_cnt;
266 uint16_t fc_unmap_cnt;
267 uint16_t fc_map_cnt;
268 uint16_t fc_npr_cnt;
269 uint16_t fc_unused_cnt;
270 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
271 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
272
273#define LPFC_RPI_HASH_SIZE 64
274#define LPFC_RPI_HASH_FUNC(x) ((x) & (0x3f))
275 /* ptr to active D_ID / RPIs */
276 struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE];
277 uint32_t wwnn[2];
278 uint32_t RandomData[7];
279
280 uint32_t cfg_log_verbose;
281 uint32_t cfg_lun_queue_depth;
282 uint32_t cfg_nodev_tmo;
283 uint32_t cfg_hba_queue_depth;
284 uint32_t cfg_fcp_class;
285 uint32_t cfg_use_adisc;
286 uint32_t cfg_ack0;
287 uint32_t cfg_topology;
288 uint32_t cfg_scan_down;
289 uint32_t cfg_link_speed;
290 uint32_t cfg_cr_delay;
291 uint32_t cfg_cr_count;
292 uint32_t cfg_fdmi_on;
293 uint32_t cfg_fcp_bind_method;
294 uint32_t cfg_discovery_threads;
295 uint32_t cfg_max_luns;
296 uint32_t cfg_sg_seg_cnt;
297 uint32_t cfg_sg_dma_buf_size;
298
299 lpfc_vpd_t vpd; /* vital product data */
300
301 struct Scsi_Host *host;
302 struct pci_dev *pcidev;
303 struct list_head work_list;
304 uint32_t work_ha; /* Host Attention Bits for WT */
305 uint32_t work_ha_mask; /* HA Bits owned by WT */
306 uint32_t work_hs; /* HS stored in case of ERRAT */
307 uint32_t work_status[2]; /* Extra status from SLIM */
308 uint32_t work_hba_events; /* Timeout to be handled */
309#define WORKER_DISC_TMO 0x1 /* Discovery timeout */
310#define WORKER_ELS_TMO 0x2 /* ELS timeout */
311#define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
312#define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
313
314 wait_queue_head_t *work_wait;
315 struct task_struct *worker_thread;
316
317 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
318 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
319 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
320 PCI BAR0 */
321 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
322 PCI BAR2 */
323
324 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
325 void __iomem *HAregaddr; /* virtual address for host attn reg */
326 void __iomem *CAregaddr; /* virtual address for chip attn reg */
327 void __iomem *HSregaddr; /* virtual address for host status
328 reg */
329 void __iomem *HCregaddr; /* virtual address for host ctl reg */
330
331 int brd_no; /* FC board number */
332
333 char SerialNumber[32]; /* adapter Serial Number */
334 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
335 char ModelDesc[256]; /* Model Description */
336 char ModelName[80]; /* Model Name */
337 char ProgramType[256]; /* Program Type */
338 char Port[20]; /* Port No */
339 uint8_t vpd_flag; /* VPD data flag */
340
341#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
342#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
343#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
344#define VPD_PORT 0x8 /* valid vpd port data */
345#define VPD_MASK 0xf /* mask for any vpd data */
346
347 struct timer_list els_tmofunc;
348
349 void *link_stats;
350
351 /*
352 * stat counters
353 */
354 uint64_t fc4InputRequests;
355 uint64_t fc4OutputRequests;
356 uint64_t fc4ControlRequests;
357
358 struct lpfc_sysfs_mbox sysfs_mbox;
359
360 /* fastpath list. */
361 struct list_head lpfc_scsi_buf_list;
362 uint32_t total_scsi_bufs;
363 struct list_head lpfc_iocb_list;
364 uint32_t total_iocbq_bufs;
365
366 /* pci_mem_pools */
367 struct pci_pool *lpfc_scsi_dma_buf_pool;
368 struct pci_pool *lpfc_mbuf_pool;
369 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
370
371 mempool_t *mbox_mem_pool;
372 mempool_t *nlp_mem_pool;
373 struct list_head freebufList;
374 struct list_head ctrspbuflist;
375 struct list_head rnidrspbuflist;
376};
377
378
379struct rnidrsp {
380 void *buf;
381 uint32_t uniqueid;
382 struct list_head list;
383 uint32_t data;
384};
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
new file mode 100644
index 000000000000..1276bd77b995
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -0,0 +1,1291 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_attr.c 1.24 2005/04/13 11:58:55EDT sf_support Exp $
23 */
24
25#include <linux/ctype.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28
29#include <scsi/scsi_device.h>
30#include <scsi/scsi_host.h>
31#include <scsi/scsi_tcq.h>
32#include <scsi/scsi_transport_fc.h>
33
34#include "lpfc_hw.h"
35#include "lpfc_sli.h"
36#include "lpfc_disc.h"
37#include "lpfc_scsi.h"
38#include "lpfc.h"
39#include "lpfc_logmsg.h"
40#include "lpfc_version.h"
41#include "lpfc_compat.h"
42#include "lpfc_crtn.h"
43
44
45static void
46lpfc_jedec_to_ascii(int incr, char hdw[])
47{
48 int i, j;
49 for (i = 0; i < 8; i++) {
50 j = (incr & 0xf);
51 if (j <= 9)
52 hdw[7 - i] = 0x30 + j;
53 else
54 hdw[7 - i] = 0x61 + j - 10;
55 incr = (incr >> 4);
56 }
57 hdw[8] = 0;
58 return;
59}
60
61static ssize_t
62lpfc_drvr_version_show(struct class_device *cdev, char *buf)
63{
64 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
65}
66
67static ssize_t
68management_version_show(struct class_device *cdev, char *buf)
69{
70 return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
71}
72
73static ssize_t
74lpfc_info_show(struct class_device *cdev, char *buf)
75{
76 struct Scsi_Host *host = class_to_shost(cdev);
77 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
78}
79
80static ssize_t
81lpfc_serialnum_show(struct class_device *cdev, char *buf)
82{
83 struct Scsi_Host *host = class_to_shost(cdev);
84 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
85 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
86}
87
88static ssize_t
89lpfc_modeldesc_show(struct class_device *cdev, char *buf)
90{
91 struct Scsi_Host *host = class_to_shost(cdev);
92 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
93 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
94}
95
96static ssize_t
97lpfc_modelname_show(struct class_device *cdev, char *buf)
98{
99 struct Scsi_Host *host = class_to_shost(cdev);
100 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
101 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
102}
103
104static ssize_t
105lpfc_programtype_show(struct class_device *cdev, char *buf)
106{
107 struct Scsi_Host *host = class_to_shost(cdev);
108 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
109 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
110}
111
112static ssize_t
113lpfc_portnum_show(struct class_device *cdev, char *buf)
114{
115 struct Scsi_Host *host = class_to_shost(cdev);
116 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
117 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
118}
119
120static ssize_t
121lpfc_fwrev_show(struct class_device *cdev, char *buf)
122{
123 struct Scsi_Host *host = class_to_shost(cdev);
124 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
125 char fwrev[32];
126 lpfc_decode_firmware_rev(phba, fwrev, 1);
127 return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
128}
129
130static ssize_t
131lpfc_hdw_show(struct class_device *cdev, char *buf)
132{
133 char hdw[9];
134 struct Scsi_Host *host = class_to_shost(cdev);
135 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
136 lpfc_vpd_t *vp = &phba->vpd;
137 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
138 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
139}
140static ssize_t
141lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
142{
143 struct Scsi_Host *host = class_to_shost(cdev);
144 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
145 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
146}
147static ssize_t
148lpfc_state_show(struct class_device *cdev, char *buf)
149{
150 struct Scsi_Host *host = class_to_shost(cdev);
151 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
152 int len = 0;
153 switch (phba->hba_state) {
154 case LPFC_INIT_START:
155 case LPFC_INIT_MBX_CMDS:
156 case LPFC_LINK_DOWN:
157 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
158 break;
159 case LPFC_LINK_UP:
160 case LPFC_LOCAL_CFG_LINK:
161 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
162 break;
163 case LPFC_FLOGI:
164 case LPFC_FABRIC_CFG_LINK:
165 case LPFC_NS_REG:
166 case LPFC_NS_QRY:
167 case LPFC_BUILD_DISC_LIST:
168 case LPFC_DISC_AUTH:
169 case LPFC_CLEAR_LA:
170 len += snprintf(buf + len, PAGE_SIZE-len,
171 "Link Up - Discovery\n");
172 break;
173 case LPFC_HBA_READY:
174 len += snprintf(buf + len, PAGE_SIZE-len,
175 "Link Up - Ready:\n");
176 if (phba->fc_topology == TOPOLOGY_LOOP) {
177 if (phba->fc_flag & FC_PUBLIC_LOOP)
178 len += snprintf(buf + len, PAGE_SIZE-len,
179 " Public Loop\n");
180 else
181 len += snprintf(buf + len, PAGE_SIZE-len,
182 " Private Loop\n");
183 } else {
184 if (phba->fc_flag & FC_FABRIC)
185 len += snprintf(buf + len, PAGE_SIZE-len,
186 " Fabric\n");
187 else
188 len += snprintf(buf + len, PAGE_SIZE-len,
189 " Point-2-Point\n");
190 }
191 }
192 return len;
193}
194
195static ssize_t
196lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
197{
198 struct Scsi_Host *host = class_to_shost(cdev);
199 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
200 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
201 phba->fc_unmap_cnt);
202}
203
204
205static ssize_t
206lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
207{
208 struct Scsi_Host *host = class_to_shost(cdev);
209 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
210 int val = 0;
211 LPFC_MBOXQ_t *pmboxq;
212 int mbxstatus = MBXERR_ERROR;
213
214 if ((sscanf(buf, "%d", &val) != 1) ||
215 (val != 1))
216 return -EINVAL;
217
218 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
219 (phba->hba_state != LPFC_HBA_READY))
220 return -EPERM;
221
222 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
223
224 if (!pmboxq)
225 return -ENOMEM;
226
227 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
228 lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
229 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
230
231 if (mbxstatus == MBX_TIMEOUT)
232 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
233 else
234 mempool_free( pmboxq, phba->mbox_mem_pool);
235
236 if (mbxstatus == MBXERR_ERROR)
237 return -EIO;
238
239 return strlen(buf);
240}
241
242static ssize_t
243lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
244{
245 struct Scsi_Host *host = class_to_shost(cdev);
246 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
247 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
248}
249
250static ssize_t
251lpfc_board_online_show(struct class_device *cdev, char *buf)
252{
253 struct Scsi_Host *host = class_to_shost(cdev);
254 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
255
256 if (!phba) return 0;
257
258 if (phba->fc_flag & FC_OFFLINE_MODE)
259 return snprintf(buf, PAGE_SIZE, "0\n");
260 else
261 return snprintf(buf, PAGE_SIZE, "1\n");
262}
263
264static ssize_t
265lpfc_board_online_store(struct class_device *cdev, const char *buf,
266 size_t count)
267{
268 struct Scsi_Host *host = class_to_shost(cdev);
269 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
270 struct completion online_compl;
271 int val=0, status=0;
272
273 if (sscanf(buf, "%d", &val) != 1)
274 return 0;
275
276 init_completion(&online_compl);
277
278 if (val)
279 lpfc_workq_post_event(phba, &status, &online_compl,
280 LPFC_EVT_ONLINE);
281 else
282 lpfc_workq_post_event(phba, &status, &online_compl,
283 LPFC_EVT_OFFLINE);
284 wait_for_completion(&online_compl);
285 if (!status)
286 return strlen(buf);
287 else
288 return 0;
289}
290
291
292#define lpfc_param_show(attr) \
293static ssize_t \
294lpfc_##attr##_show(struct class_device *cdev, char *buf) \
295{ \
296 struct Scsi_Host *host = class_to_shost(cdev);\
297 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
298 int val = 0;\
299 if (phba){\
300 val = phba->cfg_##attr;\
301 return snprintf(buf, PAGE_SIZE, "%d\n",\
302 phba->cfg_##attr);\
303 }\
304 return 0;\
305}
306
307#define lpfc_param_store(attr, minval, maxval) \
308static ssize_t \
309lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
310{ \
311 struct Scsi_Host *host = class_to_shost(cdev);\
312 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
313 int val = 0;\
314 if (!isdigit(buf[0]))\
315 return -EINVAL;\
316 if (sscanf(buf, "0x%x", &val) != 1)\
317 if (sscanf(buf, "%d", &val) != 1)\
318 return -EINVAL;\
319 if (phba){\
320 if (val >= minval && val <= maxval) {\
321 phba->cfg_##attr = val;\
322 return strlen(buf);\
323 }\
324 }\
325 return 0;\
326}
327
328#define LPFC_ATTR_R_NOINIT(name, desc) \
329extern int lpfc_##name;\
330module_param(lpfc_##name, int, 0);\
331MODULE_PARM_DESC(lpfc_##name, desc);\
332lpfc_param_show(name)\
333static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
334
335#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
336static int lpfc_##name = defval;\
337module_param(lpfc_##name, int, 0);\
338MODULE_PARM_DESC(lpfc_##name, desc);\
339lpfc_param_show(name)\
340static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
341
342#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
343static int lpfc_##name = defval;\
344module_param(lpfc_##name, int, 0);\
345MODULE_PARM_DESC(lpfc_##name, desc);\
346lpfc_param_show(name)\
347lpfc_param_store(name, minval, maxval)\
348static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
349 lpfc_##name##_show, lpfc_##name##_store)
350
351static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
352static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
353static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
354static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
355static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
356static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
357static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
358static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
359static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
360static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
361 lpfc_option_rom_version_show, NULL);
362static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
363 lpfc_num_discovered_ports_show, NULL);
364static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
365static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
366 NULL);
367static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
368 NULL);
369static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip);
370static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
371 lpfc_board_online_show, lpfc_board_online_store);
372
373
374/*
375# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
376# deluged with LOTS of information.
377# You can set a bit mask to record specific types of verbose messages:
378#
379# LOG_ELS 0x1 ELS events
380# LOG_DISCOVERY 0x2 Link discovery events
381# LOG_MBOX 0x4 Mailbox events
382# LOG_INIT 0x8 Initialization events
383# LOG_LINK_EVENT 0x10 Link events
384# LOG_IP 0x20 IP traffic history
385# LOG_FCP 0x40 FCP traffic history
386# LOG_NODE 0x80 Node table events
387# LOG_MISC 0x400 Miscellaneous events
388# LOG_SLI 0x800 SLI events
389# LOG_CHK_COND 0x1000 FCP Check condition flag
390# LOG_LIBDFC 0x2000 LIBDFC events
391# LOG_ALL_MSG 0xffff LOG all messages
392*/
393LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
394
395/*
396# lun_queue_depth: This parameter is used to limit the number of outstanding
397# commands per FCP LUN. Value range is [1,128]. Default value is 30.
398*/
399LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
400 "Max number of FCP commands we can queue to a specific LUN");
401
402/*
403# Some disk devices have a "select ID" or "select Target" capability.
404# From a protocol standpoint "select ID" usually means select the
405# Fibre channel "ALPA". In the FC-AL Profile there is an "informative
406# annex" which contains a table that maps a "select ID" (a number
407# between 0 and 7F) to an ALPA. By default, for compatibility with
408# older drivers, the lpfc driver scans this table from low ALPA to high
409# ALPA.
410#
411# Turning on the scan-down variable (on = 1, off = 0) will
412# cause the lpfc driver to use an inverted table, effectively
413# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
414#
415# (Note: This "select ID" functionality is a LOOP ONLY characteristic
416# and will not work across a fabric. Also this parameter will take
417# effect only in the case when ALPA map is not available.)
418*/
419LPFC_ATTR_R(scan_down, 1, 0, 1,
420 "Start scanning for devices from highest ALPA to lowest");
421
422/*
423# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
424# until the timer expires. Value range is [0,255]. Default value is 20.
425# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
426*/
427LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
428 "Seconds driver will hold I/O waiting for a device to come back");
429
430/*
431# lpfc_topology: link topology for init link
432# 0x0 = attempt loop mode then point-to-point
433# 0x02 = attempt point-to-point mode only
434# 0x04 = attempt loop mode only
435# 0x06 = attempt point-to-point mode then loop
436# Set point-to-point mode if you want to run as an N_Port.
437# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
438# Default value is 0.
439*/
440LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
441
442/*
443# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
444# connection.
445# 0 = auto select (default)
446# 1 = 1 Gigabaud
447# 2 = 2 Gigabaud
448# 4 = 4 Gigabaud
449# Value range is [0,4]. Default value is 0.
450*/
451LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
452
453/*
454# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
455# Value range is [2,3]. Default value is 3.
456*/
457LPFC_ATTR_R(fcp_class, 3, 2, 3,
458 "Select Fibre Channel class of service for FCP sequences");
459
460/*
461# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
462# is [0,1]. Default value is 0.
463*/
464LPFC_ATTR_RW(use_adisc, 0, 0, 1,
465 "Use ADISC on rediscovery to authenticate FCP devices");
466
467/*
468# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
469# range is [0,1]. Default value is 0.
470*/
471LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
472
473/*
474# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
475# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
476# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
477# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
478# cr_delay is set to 0.
479*/
480static int lpfc_cr_delay = 0;
481module_param(lpfc_cr_delay, int , 0);
482MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
483 "interrupt response is generated");
484
485static int lpfc_cr_count = 1;
486module_param(lpfc_cr_count, int, 0);
487MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
488 "interrupt response is generated");
489
490/*
491# lpfc_fdmi_on: controls FDMI support.
492# 0 = no FDMI support
493# 1 = support FDMI without attribute of hostname
494# 2 = support FDMI with attribute of hostname
495# Value range [0,2]. Default value is 0.
496*/
497LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
498
499/*
500# Specifies the maximum number of ELS cmds we can have outstanding (for
501# discovery). Value range is [1,64]. Default value = 32.
502*/
503static int lpfc_discovery_threads = 32;
504module_param(lpfc_discovery_threads, int, 0);
505MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
506 "during discovery");
507
508/*
509# lpfc_max_luns: maximum number of LUNs per target driver will support
510# Value range is [1,32768]. Default value is 256.
511# NOTE: The SCSI layer will scan each target for this many luns
512*/
513LPFC_ATTR_R(max_luns, 256, 1, 32768,
514 "Maximum number of LUNs per target driver will support");
515
516struct class_device_attribute *lpfc_host_attrs[] = {
517 &class_device_attr_info,
518 &class_device_attr_serialnum,
519 &class_device_attr_modeldesc,
520 &class_device_attr_modelname,
521 &class_device_attr_programtype,
522 &class_device_attr_portnum,
523 &class_device_attr_fwrev,
524 &class_device_attr_hdw,
525 &class_device_attr_option_rom_version,
526 &class_device_attr_state,
527 &class_device_attr_num_discovered_ports,
528 &class_device_attr_lpfc_drvr_version,
529 &class_device_attr_lpfc_log_verbose,
530 &class_device_attr_lpfc_lun_queue_depth,
531 &class_device_attr_lpfc_nodev_tmo,
532 &class_device_attr_lpfc_fcp_class,
533 &class_device_attr_lpfc_use_adisc,
534 &class_device_attr_lpfc_ack0,
535 &class_device_attr_lpfc_topology,
536 &class_device_attr_lpfc_scan_down,
537 &class_device_attr_lpfc_link_speed,
538 &class_device_attr_lpfc_fdmi_on,
539 &class_device_attr_lpfc_max_luns,
540 &class_device_attr_nport_evt_cnt,
541 &class_device_attr_management_version,
542 &class_device_attr_issue_lip,
543 &class_device_attr_board_online,
544 NULL,
545};
546
547static ssize_t
548sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
549{
550 size_t buf_off;
551 struct Scsi_Host *host = class_to_shost(container_of(kobj,
552 struct class_device, kobj));
553 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
554
555 if ((off + count) > FF_REG_AREA_SIZE)
556 return -ERANGE;
557
558 if (count == 0) return 0;
559
560 if (off % 4 || count % 4 || (unsigned long)buf % 4)
561 return -EINVAL;
562
563 spin_lock_irq(phba->host->host_lock);
564
565 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
566 spin_unlock_irq(phba->host->host_lock);
567 return -EPERM;
568 }
569
570 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
571 writel(*((uint32_t *)(buf + buf_off)),
572 phba->ctrl_regs_memmap_p + off + buf_off);
573
574 spin_unlock_irq(phba->host->host_lock);
575
576 return count;
577}
578
579static ssize_t
580sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
581{
582 size_t buf_off;
583 uint32_t * tmp_ptr;
584 struct Scsi_Host *host = class_to_shost(container_of(kobj,
585 struct class_device, kobj));
586 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
587
588 if (off > FF_REG_AREA_SIZE)
589 return -ERANGE;
590
591 if ((off + count) > FF_REG_AREA_SIZE)
592 count = FF_REG_AREA_SIZE - off;
593
594 if (count == 0) return 0;
595
596 if (off % 4 || count % 4 || (unsigned long)buf % 4)
597 return -EINVAL;
598
599 spin_lock_irq(phba->host->host_lock);
600
601 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
602 tmp_ptr = (uint32_t *)(buf + buf_off);
603 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
604 }
605
606 spin_unlock_irq(phba->host->host_lock);
607
608 return count;
609}
610
611static struct bin_attribute sysfs_ctlreg_attr = {
612 .attr = {
613 .name = "ctlreg",
614 .mode = S_IRUSR | S_IWUSR,
615 .owner = THIS_MODULE,
616 },
617 .size = 256,
618 .read = sysfs_ctlreg_read,
619 .write = sysfs_ctlreg_write,
620};
621
622
623static void
624sysfs_mbox_idle (struct lpfc_hba * phba)
625{
626 phba->sysfs_mbox.state = SMBOX_IDLE;
627 phba->sysfs_mbox.offset = 0;
628
629 if (phba->sysfs_mbox.mbox) {
630 mempool_free(phba->sysfs_mbox.mbox,
631 phba->mbox_mem_pool);
632 phba->sysfs_mbox.mbox = NULL;
633 }
634}
635
636static ssize_t
637sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
638{
639 struct Scsi_Host * host =
640 class_to_shost(container_of(kobj, struct class_device, kobj));
641 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
642 struct lpfcMboxq * mbox = NULL;
643
644 if ((count + off) > MAILBOX_CMD_SIZE)
645 return -ERANGE;
646
647 if (off % 4 || count % 4 || (unsigned long)buf % 4)
648 return -EINVAL;
649
650 if (count == 0)
651 return 0;
652
653 if (off == 0) {
654 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
655 if (!mbox)
656 return -ENOMEM;
657
658 }
659
660 spin_lock_irq(host->host_lock);
661
662 if (off == 0) {
663 if (phba->sysfs_mbox.mbox)
664 mempool_free(mbox, phba->mbox_mem_pool);
665 else
666 phba->sysfs_mbox.mbox = mbox;
667 phba->sysfs_mbox.state = SMBOX_WRITING;
668 } else {
669 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
670 phba->sysfs_mbox.offset != off ||
671 phba->sysfs_mbox.mbox == NULL ) {
672 sysfs_mbox_idle(phba);
673 spin_unlock_irq(host->host_lock);
674 return -EINVAL;
675 }
676 }
677
678 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
679 buf, count);
680
681 phba->sysfs_mbox.offset = off + count;
682
683 spin_unlock_irq(host->host_lock);
684
685 return count;
686}
687
688static ssize_t
689sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
690{
691 struct Scsi_Host *host =
692 class_to_shost(container_of(kobj, struct class_device,
693 kobj));
694 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
695 int rc;
696
697 if (off > sizeof(MAILBOX_t))
698 return -ERANGE;
699
700 if ((count + off) > sizeof(MAILBOX_t))
701 count = sizeof(MAILBOX_t) - off;
702
703 if (off % 4 || count % 4 || (unsigned long)buf % 4)
704 return -EINVAL;
705
706 if (off && count == 0)
707 return 0;
708
709 spin_lock_irq(phba->host->host_lock);
710
711 if (off == 0 &&
712 phba->sysfs_mbox.state == SMBOX_WRITING &&
713 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
714
715 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
716 /* Offline only */
717 case MBX_WRITE_NV:
718 case MBX_INIT_LINK:
719 case MBX_DOWN_LINK:
720 case MBX_CONFIG_LINK:
721 case MBX_CONFIG_RING:
722 case MBX_RESET_RING:
723 case MBX_UNREG_LOGIN:
724 case MBX_CLEAR_LA:
725 case MBX_DUMP_CONTEXT:
726 case MBX_RUN_DIAGS:
727 case MBX_RESTART:
728 case MBX_FLASH_WR_ULA:
729 case MBX_SET_MASK:
730 case MBX_SET_SLIM:
731 case MBX_SET_DEBUG:
732 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
733 printk(KERN_WARNING "mbox_read:Command 0x%x "
734 "is illegal in on-line state\n",
735 phba->sysfs_mbox.mbox->mb.mbxCommand);
736 sysfs_mbox_idle(phba);
737 spin_unlock_irq(phba->host->host_lock);
738 return -EPERM;
739 }
740 case MBX_LOAD_SM:
741 case MBX_READ_NV:
742 case MBX_READ_CONFIG:
743 case MBX_READ_RCONFIG:
744 case MBX_READ_STATUS:
745 case MBX_READ_XRI:
746 case MBX_READ_REV:
747 case MBX_READ_LNK_STAT:
748 case MBX_DUMP_MEMORY:
749 case MBX_DOWN_LOAD:
750 case MBX_UPDATE_CFG:
751 case MBX_LOAD_AREA:
752 case MBX_LOAD_EXP_ROM:
753 break;
754 case MBX_READ_SPARM64:
755 case MBX_READ_LA:
756 case MBX_READ_LA64:
757 case MBX_REG_LOGIN:
758 case MBX_REG_LOGIN64:
759 case MBX_CONFIG_PORT:
760 case MBX_RUN_BIU_DIAG:
761 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
762 phba->sysfs_mbox.mbox->mb.mbxCommand);
763 sysfs_mbox_idle(phba);
764 spin_unlock_irq(phba->host->host_lock);
765 return -EPERM;
766 default:
767 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
768 phba->sysfs_mbox.mbox->mb.mbxCommand);
769 sysfs_mbox_idle(phba);
770 spin_unlock_irq(phba->host->host_lock);
771 return -EPERM;
772 }
773
774 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
775 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
776
777 spin_unlock_irq(phba->host->host_lock);
778 rc = lpfc_sli_issue_mbox (phba,
779 phba->sysfs_mbox.mbox,
780 MBX_POLL);
781 spin_lock_irq(phba->host->host_lock);
782
783 } else {
784 spin_unlock_irq(phba->host->host_lock);
785 rc = lpfc_sli_issue_mbox_wait (phba,
786 phba->sysfs_mbox.mbox,
787 phba->fc_ratov * 2);
788 spin_lock_irq(phba->host->host_lock);
789 }
790
791 if (rc != MBX_SUCCESS) {
792 sysfs_mbox_idle(phba);
793 spin_unlock_irq(host->host_lock);
794 return -ENODEV;
795 }
796 phba->sysfs_mbox.state = SMBOX_READING;
797 }
798 else if (phba->sysfs_mbox.offset != off ||
799 phba->sysfs_mbox.state != SMBOX_READING) {
800 printk(KERN_WARNING "mbox_read: Bad State\n");
801 sysfs_mbox_idle(phba);
802 spin_unlock_irq(host->host_lock);
803 return -EINVAL;
804 }
805
806 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
807
808 phba->sysfs_mbox.offset = off + count;
809
810 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
811 sysfs_mbox_idle(phba);
812
813 spin_unlock_irq(phba->host->host_lock);
814
815 return count;
816}
817
818static struct bin_attribute sysfs_mbox_attr = {
819 .attr = {
820 .name = "mbox",
821 .mode = S_IRUSR | S_IWUSR,
822 .owner = THIS_MODULE,
823 },
824 .size = sizeof(MAILBOX_t),
825 .read = sysfs_mbox_read,
826 .write = sysfs_mbox_write,
827};
828
829int
830lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
831{
832 struct Scsi_Host *host = phba->host;
833 int error;
834
835 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
836 &sysfs_ctlreg_attr);
837 if (error)
838 goto out;
839
840 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
841 &sysfs_mbox_attr);
842 if (error)
843 goto out_remove_ctlreg_attr;
844
845 return 0;
846out_remove_ctlreg_attr:
847 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
848out:
849 return error;
850}
851
852void
853lpfc_free_sysfs_attr(struct lpfc_hba *phba)
854{
855 struct Scsi_Host *host = phba->host;
856
857 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
858 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
859}
860
861
862/*
863 * Dynamic FC Host Attributes Support
864 */
865
866static void
867lpfc_get_host_port_id(struct Scsi_Host *shost)
868{
869 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
870 /* note: fc_myDID already in cpu endianness */
871 fc_host_port_id(shost) = phba->fc_myDID;
872}
873
874static void
875lpfc_get_host_port_type(struct Scsi_Host *shost)
876{
877 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
878
879 spin_lock_irq(shost->host_lock);
880
881 if (phba->hba_state == LPFC_HBA_READY) {
882 if (phba->fc_topology == TOPOLOGY_LOOP) {
883 if (phba->fc_flag & FC_PUBLIC_LOOP)
884 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
885 else
886 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
887 } else {
888 if (phba->fc_flag & FC_FABRIC)
889 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
890 else
891 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
892 }
893 } else
894 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
895
896 spin_unlock_irq(shost->host_lock);
897}
898
899static void
900lpfc_get_host_port_state(struct Scsi_Host *shost)
901{
902 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
903
904 spin_lock_irq(shost->host_lock);
905
906 if (phba->fc_flag & FC_OFFLINE_MODE)
907 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
908 else {
909 switch (phba->hba_state) {
910 case LPFC_INIT_START:
911 case LPFC_INIT_MBX_CMDS:
912 case LPFC_LINK_DOWN:
913 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
914 break;
915 case LPFC_LINK_UP:
916 case LPFC_LOCAL_CFG_LINK:
917 case LPFC_FLOGI:
918 case LPFC_FABRIC_CFG_LINK:
919 case LPFC_NS_REG:
920 case LPFC_NS_QRY:
921 case LPFC_BUILD_DISC_LIST:
922 case LPFC_DISC_AUTH:
923 case LPFC_CLEAR_LA:
924 case LPFC_HBA_READY:
925 /* Links up, beyond this port_type reports state */
926 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
927 break;
928 case LPFC_HBA_ERROR:
929 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
930 break;
931 default:
932 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
933 break;
934 }
935 }
936
937 spin_unlock_irq(shost->host_lock);
938}
939
940static void
941lpfc_get_host_speed(struct Scsi_Host *shost)
942{
943 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
944
945 spin_lock_irq(shost->host_lock);
946
947 if (phba->hba_state == LPFC_HBA_READY) {
948 switch(phba->fc_linkspeed) {
949 case LA_1GHZ_LINK:
950 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
951 break;
952 case LA_2GHZ_LINK:
953 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
954 break;
955 case LA_4GHZ_LINK:
956 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
957 break;
958 default:
959 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
960 break;
961 }
962 }
963
964 spin_unlock_irq(shost->host_lock);
965}
966
967static void
968lpfc_get_host_fabric_name (struct Scsi_Host *shost)
969{
970 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
971 u64 nodename;
972
973 spin_lock_irq(shost->host_lock);
974
975 if ((phba->fc_flag & FC_FABRIC) ||
976 ((phba->fc_topology == TOPOLOGY_LOOP) &&
977 (phba->fc_flag & FC_PUBLIC_LOOP)))
978 memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64));
979 else
980 /* fabric is local port if there is no F/FL_Port */
981 memcpy(&nodename, &phba->fc_nodename, sizeof(u64));
982
983 spin_unlock_irq(shost->host_lock);
984
985 fc_host_fabric_name(shost) = be64_to_cpu(nodename);
986}
987
988
989static struct fc_host_statistics *
990lpfc_get_stats(struct Scsi_Host *shost)
991{
992 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
993 struct lpfc_sli *psli = &phba->sli;
994 struct fc_host_statistics *hs =
995 (struct fc_host_statistics *)phba->link_stats;
996 LPFC_MBOXQ_t *pmboxq;
997 MAILBOX_t *pmb;
998 int rc=0;
999
1000 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1001 if (!pmboxq)
1002 return NULL;
1003 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1004
1005 pmb = &pmboxq->mb;
1006 pmb->mbxCommand = MBX_READ_STATUS;
1007 pmb->mbxOwner = OWN_HOST;
1008 pmboxq->context1 = NULL;
1009
1010 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1011 (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){
1012 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1013 } else
1014 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1015
1016 if (rc != MBX_SUCCESS) {
1017 if (pmboxq) {
1018 if (rc == MBX_TIMEOUT)
1019 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1020 else
1021 mempool_free( pmboxq, phba->mbox_mem_pool);
1022 }
1023 return NULL;
1024 }
1025
1026 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1027 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1028 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1029 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1030
1031 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1032 pmb->mbxCommand = MBX_READ_LNK_STAT;
1033 pmb->mbxOwner = OWN_HOST;
1034 pmboxq->context1 = NULL;
1035
1036 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1037 (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) {
1038 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1039 } else
1040 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1041
1042 if (rc != MBX_SUCCESS) {
1043 if (pmboxq) {
1044 if (rc == MBX_TIMEOUT)
1045 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1046 else
1047 mempool_free( pmboxq, phba->mbox_mem_pool);
1048 }
1049 return NULL;
1050 }
1051
1052 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1053 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1054 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1055 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1056 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1057 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1058 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1059
1060 if (phba->fc_topology == TOPOLOGY_LOOP) {
1061 hs->lip_count = (phba->fc_eventTag >> 1);
1062 hs->nos_count = -1;
1063 } else {
1064 hs->lip_count = -1;
1065 hs->nos_count = (phba->fc_eventTag >> 1);
1066 }
1067
1068 hs->dumped_frames = -1;
1069
1070/* FIX ME */
1071 /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1072
1073 return hs;
1074}
1075
1076
1077/*
1078 * The LPFC driver treats linkdown handling as target loss events so there
1079 * are no sysfs handlers for link_down_tmo.
1080 */
1081static void
1082lpfc_get_starget_port_id(struct scsi_target *starget)
1083{
1084 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1085 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1086 uint32_t did = -1;
1087 struct lpfc_nodelist *ndlp = NULL;
1088
1089 spin_lock_irq(shost->host_lock);
1090 /* Search the mapped list for this target ID */
1091 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1092 if (starget->id == ndlp->nlp_sid) {
1093 did = ndlp->nlp_DID;
1094 break;
1095 }
1096 }
1097 spin_unlock_irq(shost->host_lock);
1098
1099 fc_starget_port_id(starget) = did;
1100}
1101
1102static void
1103lpfc_get_starget_node_name(struct scsi_target *starget)
1104{
1105 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1106 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1107 uint64_t node_name = 0;
1108 struct lpfc_nodelist *ndlp = NULL;
1109
1110 spin_lock_irq(shost->host_lock);
1111 /* Search the mapped list for this target ID */
1112 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1113 if (starget->id == ndlp->nlp_sid) {
1114 memcpy(&node_name, &ndlp->nlp_nodename,
1115 sizeof(struct lpfc_name));
1116 break;
1117 }
1118 }
1119 spin_unlock_irq(shost->host_lock);
1120
1121 fc_starget_node_name(starget) = be64_to_cpu(node_name);
1122}
1123
1124static void
1125lpfc_get_starget_port_name(struct scsi_target *starget)
1126{
1127 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1128 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1129 uint64_t port_name = 0;
1130 struct lpfc_nodelist *ndlp = NULL;
1131
1132 spin_lock_irq(shost->host_lock);
1133 /* Search the mapped list for this target ID */
1134 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1135 if (starget->id == ndlp->nlp_sid) {
1136 memcpy(&port_name, &ndlp->nlp_portname,
1137 sizeof(struct lpfc_name));
1138 break;
1139 }
1140 }
1141 spin_unlock_irq(shost->host_lock);
1142
1143 fc_starget_port_name(starget) = be64_to_cpu(port_name);
1144}
1145
1146static void
1147lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1148{
1149 /*
1150 * Return the driver's global value for device loss timeout plus
1151 * five seconds to allow the driver's nodev timer to run.
1152 */
1153 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1154}
1155
1156static void
1157lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1158{
1159 /*
1160 * The driver doesn't have a per-target timeout setting. Set
1161 * this value globally. lpfc_nodev_tmo should be greater then 0.
1162 */
1163 if (timeout)
1164 lpfc_nodev_tmo = timeout;
1165 else
1166 lpfc_nodev_tmo = 1;
1167 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1168}
1169
1170
1171#define lpfc_rport_show_function(field, format_string, sz, cast) \
1172static ssize_t \
1173lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1174{ \
1175 struct fc_rport *rport = transport_class_to_rport(cdev); \
1176 struct lpfc_rport_data *rdata = rport->hostdata; \
1177 return snprintf(buf, sz, format_string, \
1178 (rdata->target) ? cast rdata->target->field : 0); \
1179}
1180
1181#define lpfc_rport_rd_attr(field, format_string, sz) \
1182 lpfc_rport_show_function(field, format_string, sz, ) \
1183static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1184
1185
1186struct fc_function_template lpfc_transport_functions = {
1187 /* fixed attributes the driver supports */
1188 .show_host_node_name = 1,
1189 .show_host_port_name = 1,
1190 .show_host_supported_classes = 1,
1191 .show_host_supported_fc4s = 1,
1192 .show_host_symbolic_name = 1,
1193 .show_host_supported_speeds = 1,
1194 .show_host_maxframe_size = 1,
1195
1196 /* dynamic attributes the driver supports */
1197 .get_host_port_id = lpfc_get_host_port_id,
1198 .show_host_port_id = 1,
1199
1200 .get_host_port_type = lpfc_get_host_port_type,
1201 .show_host_port_type = 1,
1202
1203 .get_host_port_state = lpfc_get_host_port_state,
1204 .show_host_port_state = 1,
1205
1206 /* active_fc4s is shown but doesn't change (thus no get function) */
1207 .show_host_active_fc4s = 1,
1208
1209 .get_host_speed = lpfc_get_host_speed,
1210 .show_host_speed = 1,
1211
1212 .get_host_fabric_name = lpfc_get_host_fabric_name,
1213 .show_host_fabric_name = 1,
1214
1215 /*
1216 * The LPFC driver treats linkdown handling as target loss events
1217 * so there are no sysfs handlers for link_down_tmo.
1218 */
1219
1220 .get_fc_host_stats = lpfc_get_stats,
1221
1222 /* the LPFC driver doesn't support resetting stats yet */
1223
1224 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1225 .show_rport_maxframe_size = 1,
1226 .show_rport_supported_classes = 1,
1227
1228 .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1229 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1230 .show_rport_dev_loss_tmo = 1,
1231
1232 .get_starget_port_id = lpfc_get_starget_port_id,
1233 .show_starget_port_id = 1,
1234
1235 .get_starget_node_name = lpfc_get_starget_node_name,
1236 .show_starget_node_name = 1,
1237
1238 .get_starget_port_name = lpfc_get_starget_port_name,
1239 .show_starget_port_name = 1,
1240};
1241
1242void
1243lpfc_get_cfgparam(struct lpfc_hba *phba)
1244{
1245 phba->cfg_log_verbose = lpfc_log_verbose;
1246 phba->cfg_cr_delay = lpfc_cr_delay;
1247 phba->cfg_cr_count = lpfc_cr_count;
1248 phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
1249 phba->cfg_fcp_class = lpfc_fcp_class;
1250 phba->cfg_use_adisc = lpfc_use_adisc;
1251 phba->cfg_ack0 = lpfc_ack0;
1252 phba->cfg_topology = lpfc_topology;
1253 phba->cfg_scan_down = lpfc_scan_down;
1254 phba->cfg_nodev_tmo = lpfc_nodev_tmo;
1255 phba->cfg_link_speed = lpfc_link_speed;
1256 phba->cfg_fdmi_on = lpfc_fdmi_on;
1257 phba->cfg_discovery_threads = lpfc_discovery_threads;
1258 phba->cfg_max_luns = lpfc_max_luns;
1259
1260 /*
1261 * The total number of segments is the configuration value plus 2
1262 * since the IOCB need a command and response bde.
1263 */
1264 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1265
1266 /*
1267 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1268 * used to create the sg_dma_buf_pool must be dynamically calculated
1269 */
1270 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1271 sizeof(struct fcp_rsp) +
1272 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1273
1274 switch (phba->pcidev->device) {
1275 case PCI_DEVICE_ID_LP101:
1276 case PCI_DEVICE_ID_BSMB:
1277 case PCI_DEVICE_ID_ZSMB:
1278 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1279 break;
1280 case PCI_DEVICE_ID_RFLY:
1281 case PCI_DEVICE_ID_PFLY:
1282 case PCI_DEVICE_ID_BMID:
1283 case PCI_DEVICE_ID_ZMID:
1284 case PCI_DEVICE_ID_TFLY:
1285 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1286 break;
1287 default:
1288 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1289 }
1290 return;
1291}
diff --git a/drivers/scsi/lpfc/lpfc_compat.h b/drivers/scsi/lpfc/lpfc_compat.h
new file mode 100644
index 000000000000..646649fe962a
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_compat.h
@@ -0,0 +1,97 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_compat.h 1.32 2005/01/25 17:51:45EST sf_support Exp $
23 *
24 * This file provides macros to aid compilation in the Linux 2.4 kernel
25 * over various platform architectures.
26 */
27
28/*******************************************************************
29Note: HBA's SLI memory contains little-endian LW.
30Thus to access it from a little-endian host,
31memcpy_toio() and memcpy_fromio() can be used.
32However on a big-endian host, copy 4 bytes at a time,
33using writel() and readl().
34 *******************************************************************/
35
36#if __BIG_ENDIAN
37
38static inline void
39lpfc_memcpy_to_slim(void __iomem *dest, void *src, unsigned int bytes)
40{
41 uint32_t __iomem *dest32;
42 uint32_t *src32;
43 unsigned int four_bytes;
44
45
46 dest32 = (uint32_t __iomem *) dest;
47 src32 = (uint32_t *) src;
48
49 /* write input bytes, 4 bytes at a time */
50 for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) {
51 writel( *src32, dest32);
52 readl(dest32); /* flush */
53 dest32++;
54 src32++;
55 }
56
57 return;
58}
59
60static inline void
61lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
62{
63 uint32_t *dest32;
64 uint32_t __iomem *src32;
65 unsigned int four_bytes;
66
67
68 dest32 = (uint32_t *) dest;
69 src32 = (uint32_t __iomem *) src;
70
71 /* read input bytes, 4 bytes at a time */
72 for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) {
73 *dest32 = readl( src32);
74 dest32++;
75 src32++;
76 }
77
78 return;
79}
80
81#else
82
83static inline void
84lpfc_memcpy_to_slim( void __iomem *dest, void *src, unsigned int bytes)
85{
86 /* actually returns 1 byte past dest */
87 memcpy_toio( dest, src, bytes);
88}
89
90static inline void
91lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
92{
93 /* actually returns 1 byte past dest */
94 memcpy_fromio( dest, src, bytes);
95}
96
97#endif /* __BIG_ENDIAN */
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
new file mode 100644
index 000000000000..c504477a6a5d
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -0,0 +1,216 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_crtn.h 1.166 2005/04/07 08:46:47EDT sf_support Exp $
23 */
24
25void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
26void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
27int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
28 struct lpfc_dmabuf *mp);
29void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
30void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
31int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
32void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
33void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
34int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
35 uint32_t);
36void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
37void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
38void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
39
40
41int lpfc_linkdown(struct lpfc_hba *);
42void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
43
44void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
45void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
46void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
47void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
48void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
49int lpfc_nlp_plogi(struct lpfc_hba *, struct lpfc_nodelist *);
50int lpfc_nlp_adisc(struct lpfc_hba *, struct lpfc_nodelist *);
51int lpfc_nlp_unmapped(struct lpfc_hba *, struct lpfc_nodelist *);
52int lpfc_nlp_list(struct lpfc_hba *, struct lpfc_nodelist *, int);
53void lpfc_set_disctmo(struct lpfc_hba *);
54int lpfc_can_disctmo(struct lpfc_hba *);
55int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *);
56int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
57 struct lpfc_iocbq *, struct lpfc_nodelist *);
58int lpfc_nlp_remove(struct lpfc_hba *, struct lpfc_nodelist *);
59void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t);
60struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t);
61struct lpfc_nodelist *lpfc_setup_rscn_node(struct lpfc_hba *, uint32_t);
62void lpfc_disc_list_loopmap(struct lpfc_hba *);
63void lpfc_disc_start(struct lpfc_hba *);
64void lpfc_disc_flush_list(struct lpfc_hba *);
65void lpfc_disc_timeout(unsigned long);
66void lpfc_scan_timeout(unsigned long);
67
68struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
69struct lpfc_nodelist *lpfc_findnode_remove_rpi(struct lpfc_hba * phba,
70 uint16_t rpi);
71void lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
72 uint16_t rpi);
73
74int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
75int lpfc_do_work(void *);
76int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *,
77 uint32_t);
78
79uint32_t lpfc_cmpl_prli_reglogin_issue(struct lpfc_hba *,
80 struct lpfc_nodelist *, void *,
81 uint32_t);
82uint32_t lpfc_cmpl_plogi_prli_issue(struct lpfc_hba *, struct lpfc_nodelist *,
83 void *, uint32_t);
84
85int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *,
86 struct serv_parm *, uint32_t);
87int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp,
88 int);
89int lpfc_els_abort_flogi(struct lpfc_hba *);
90int lpfc_initial_flogi(struct lpfc_hba *);
91int lpfc_issue_els_plogi(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
92int lpfc_issue_els_prli(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
93int lpfc_issue_els_adisc(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
94int lpfc_issue_els_logo(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
95int lpfc_issue_els_scr(struct lpfc_hba *, uint32_t, uint8_t);
96int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
97int lpfc_els_rsp_acc(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
98 struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t);
99int lpfc_els_rsp_reject(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
100 struct lpfc_nodelist *);
101int lpfc_els_rsp_adisc_acc(struct lpfc_hba *, struct lpfc_iocbq *,
102 struct lpfc_nodelist *);
103int lpfc_els_rsp_prli_acc(struct lpfc_hba *, struct lpfc_iocbq *,
104 struct lpfc_nodelist *);
105void lpfc_els_retry_delay(unsigned long);
106void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
107void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
108 struct lpfc_iocbq *);
109int lpfc_els_handle_rscn(struct lpfc_hba *);
110int lpfc_els_flush_rscn(struct lpfc_hba *);
111int lpfc_rscn_payload_check(struct lpfc_hba *, uint32_t);
112void lpfc_els_flush_cmd(struct lpfc_hba *);
113int lpfc_els_disc_adisc(struct lpfc_hba *);
114int lpfc_els_disc_plogi(struct lpfc_hba *);
115void lpfc_els_timeout(unsigned long);
116void lpfc_els_timeout_handler(struct lpfc_hba *);
117
118void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
119 struct lpfc_iocbq *);
120int lpfc_ns_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
121int lpfc_fdmi_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
122void lpfc_fdmi_tmo(unsigned long);
123void lpfc_fdmi_tmo_handler(struct lpfc_hba *);
124
125int lpfc_config_port_prep(struct lpfc_hba *);
126int lpfc_config_port_post(struct lpfc_hba *);
127int lpfc_hba_down_prep(struct lpfc_hba *);
128void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
129int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
130void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
131uint8_t *lpfc_get_lpfchba_info(struct lpfc_hba *, uint8_t *);
132int lpfc_fcp_abort(struct lpfc_hba *, int, int, int);
133int lpfc_online(struct lpfc_hba *);
134int lpfc_offline(struct lpfc_hba *);
135
136
137int lpfc_sli_setup(struct lpfc_hba *);
138int lpfc_sli_queue_setup(struct lpfc_hba *);
139void lpfc_slim_access(struct lpfc_hba *);
140
141void lpfc_handle_eratt(struct lpfc_hba *);
142void lpfc_handle_latt(struct lpfc_hba *);
143irqreturn_t lpfc_intr_handler(int, void *, struct pt_regs *);
144
145void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
146void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
147void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
148void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
149LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
150
151int lpfc_mem_alloc(struct lpfc_hba *);
152void lpfc_mem_free(struct lpfc_hba *);
153
154int lpfc_sli_hba_setup(struct lpfc_hba *);
155int lpfc_sli_hba_down(struct lpfc_hba *);
156int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
157int lpfc_sli_handle_mb_event(struct lpfc_hba *);
158int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
159 struct lpfc_sli_ring *, uint32_t);
160void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
161int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
162 struct lpfc_iocbq *, uint32_t);
163void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
164int lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
165int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
166 struct lpfc_dmabuf *);
167struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
168 struct lpfc_sli_ring *,
169 dma_addr_t);
170int lpfc_sli_issue_abort_iotag32(struct lpfc_hba *, struct lpfc_sli_ring *,
171 struct lpfc_iocbq *);
172int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
173 uint64_t, lpfc_ctx_cmd);
174int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
175 uint64_t, uint32_t, lpfc_ctx_cmd);
176
177void lpfc_mbox_timeout(unsigned long);
178void lpfc_mbox_timeout_handler(struct lpfc_hba *);
179void lpfc_map_fcp_cmnd_to_bpl(struct lpfc_hba *, struct lpfc_scsi_buf *);
180void lpfc_free_scsi_cmd(struct lpfc_scsi_buf *);
181uint32_t lpfc_os_timeout_transform(struct lpfc_hba *, uint32_t);
182
183struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order,
184 uint32_t did);
185
186int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
187 uint32_t timeout);
188
189int lpfc_sli_issue_iocb_wait_high_priority(struct lpfc_hba * phba,
190 struct lpfc_sli_ring * pring,
191 struct lpfc_iocbq * piocb,
192 uint32_t flag,
193 struct lpfc_iocbq * prspiocbq,
194 uint32_t timeout);
195void lpfc_sli_wake_iocb_high_priority(struct lpfc_hba * phba,
196 struct lpfc_iocbq * queue1,
197 struct lpfc_iocbq * queue2);
198
199void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
200void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
201
202/* Function prototypes. */
203const char* lpfc_info(struct Scsi_Host *);
204void lpfc_get_cfgparam(struct lpfc_hba *);
205int lpfc_alloc_sysfs_attr(struct lpfc_hba *);
206void lpfc_free_sysfs_attr(struct lpfc_hba *);
207extern struct class_device_attribute *lpfc_host_attrs[];
208extern struct scsi_host_template lpfc_template;
209extern struct fc_function_template lpfc_transport_functions;
210
211void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp);
212
213#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
214#define HBA_EVENT_RSCN 5
215#define HBA_EVENT_LINK_UP 2
216#define HBA_EVENT_LINK_DOWN 3
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
new file mode 100644
index 000000000000..c40cb239c16d
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -0,0 +1,1237 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_ct.c 1.161 2005/04/13 11:59:01EDT sf_support Exp $
23 *
24 * Fibre Channel SCSI LAN Device Driver CT support
25 */
26
27#include <linux/blkdev.h>
28#include <linux/pci.h>
29#include <linux/interrupt.h>
30#include <linux/utsname.h>
31
32#include <scsi/scsi_device.h>
33#include <scsi/scsi_host.h>
34
35#include "lpfc_hw.h"
36#include "lpfc_sli.h"
37#include "lpfc_disc.h"
38#include "lpfc_scsi.h"
39#include "lpfc.h"
40#include "lpfc_logmsg.h"
41#include "lpfc_crtn.h"
42#include "lpfc_version.h"
43
44#define HBA_PORTSPEED_UNKNOWN 0 /* Unknown - transceiver
45 * incapable of reporting */
46#define HBA_PORTSPEED_1GBIT 1 /* 1 GBit/sec */
47#define HBA_PORTSPEED_2GBIT 2 /* 2 GBit/sec */
48#define HBA_PORTSPEED_4GBIT 8 /* 4 GBit/sec */
49#define HBA_PORTSPEED_8GBIT 16 /* 8 GBit/sec */
50#define HBA_PORTSPEED_10GBIT 4 /* 10 GBit/sec */
51#define HBA_PORTSPEED_NOT_NEGOTIATED 5 /* Speed not established */
52
53#define FOURBYTES 4
54
55
56static char *lpfc_release_version = LPFC_DRIVER_VERSION;
57
58/*
59 * lpfc_ct_unsol_event
60 */
61void
62lpfc_ct_unsol_event(struct lpfc_hba * phba,
63 struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocbq)
64{
65
66 struct lpfc_iocbq *next_piocbq;
67 struct lpfc_dmabuf *pmbuf = NULL;
68 struct lpfc_dmabuf *matp, *next_matp;
69 uint32_t ctx = 0, size = 0, cnt = 0;
70 IOCB_t *icmd = &piocbq->iocb;
71 IOCB_t *save_icmd = icmd;
72 int i, go_exit = 0;
73 struct list_head head;
74
75 if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
76 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
77 /* Not enough posted buffers; Try posting more buffers */
78 phba->fc_stat.NoRcvBuf++;
79 lpfc_post_buffer(phba, pring, 0, 1);
80 return;
81 }
82
83 /* If there are no BDEs associated with this IOCB,
84 * there is nothing to do.
85 */
86 if (icmd->ulpBdeCount == 0)
87 return;
88
89 INIT_LIST_HEAD(&head);
90 list_add_tail(&head, &piocbq->list);
91
92 list_for_each_entry_safe(piocbq, next_piocbq, &head, list) {
93 icmd = &piocbq->iocb;
94 if (ctx == 0)
95 ctx = (uint32_t) (icmd->ulpContext);
96 if (icmd->ulpBdeCount == 0)
97 continue;
98
99 for (i = 0; i < icmd->ulpBdeCount; i++) {
100 matp = lpfc_sli_ringpostbuf_get(phba, pring,
101 getPaddr(icmd->un.
102 cont64[i].
103 addrHigh,
104 icmd->un.
105 cont64[i].
106 addrLow));
107 if (!matp) {
108 /* Insert lpfc log message here */
109 lpfc_post_buffer(phba, pring, cnt, 1);
110 go_exit = 1;
111 goto ct_unsol_event_exit_piocbq;
112 }
113
114 /* Typically for Unsolicited CT requests */
115 if (!pmbuf) {
116 pmbuf = matp;
117 INIT_LIST_HEAD(&pmbuf->list);
118 } else
119 list_add_tail(&matp->list, &pmbuf->list);
120
121 size += icmd->un.cont64[i].tus.f.bdeSize;
122 cnt++;
123 }
124
125 icmd->ulpBdeCount = 0;
126 }
127
128 lpfc_post_buffer(phba, pring, cnt, 1);
129 if (save_icmd->ulpStatus) {
130 go_exit = 1;
131 }
132
133ct_unsol_event_exit_piocbq:
134 if (pmbuf) {
135 list_for_each_entry_safe(matp, next_matp, &pmbuf->list, list) {
136 lpfc_mbuf_free(phba, matp->virt, matp->phys);
137 list_del(&matp->list);
138 kfree(matp);
139 }
140 lpfc_mbuf_free(phba, pmbuf->virt, pmbuf->phys);
141 kfree(pmbuf);
142 }
143 return;
144}
145
146static void
147lpfc_free_ct_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mlist)
148{
149 struct lpfc_dmabuf *mlast, *next_mlast;
150
151 list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
152 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
153 list_del(&mlast->list);
154 kfree(mlast);
155 }
156 lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
157 kfree(mlist);
158 return;
159}
160
161static struct lpfc_dmabuf *
162lpfc_alloc_ct_rsp(struct lpfc_hba * phba, int cmdcode, struct ulp_bde64 * bpl,
163 uint32_t size, int *entries)
164{
165 struct lpfc_dmabuf *mlist = NULL;
166 struct lpfc_dmabuf *mp;
167 int cnt, i = 0;
168
169 /* We get chucks of FCELSSIZE */
170 cnt = size > FCELSSIZE ? FCELSSIZE: size;
171
172 while (size) {
173 /* Allocate buffer for rsp payload */
174 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
175 if (!mp) {
176 if (mlist)
177 lpfc_free_ct_rsp(phba, mlist);
178 return NULL;
179 }
180
181 INIT_LIST_HEAD(&mp->list);
182
183 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT))
184 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
185 else
186 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
187
188 if (!mp->virt) {
189 kfree(mp);
190 lpfc_free_ct_rsp(phba, mlist);
191 return NULL;
192 }
193
194 /* Queue it to a linked list */
195 if (!mlist)
196 mlist = mp;
197 else
198 list_add_tail(&mp->list, &mlist->list);
199
200 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
201 /* build buffer ptr list for IOCB */
202 bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
203 bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
204 bpl->tus.f.bdeSize = (uint16_t) cnt;
205 bpl->tus.w = le32_to_cpu(bpl->tus.w);
206 bpl++;
207
208 i++;
209 size -= cnt;
210 }
211
212 *entries = i;
213 return mlist;
214}
215
216static int
217lpfc_gen_req(struct lpfc_hba *phba, struct lpfc_dmabuf *bmp,
218 struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
219 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
220 struct lpfc_iocbq *),
221 struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
222 uint32_t tmo)
223{
224
225 struct lpfc_sli *psli = &phba->sli;
226 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
227 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
228 IOCB_t *icmd;
229 struct lpfc_iocbq *geniocb = NULL;
230
231 /* Allocate buffer for command iocb */
232 spin_lock_irq(phba->host->host_lock);
233 list_remove_head(lpfc_iocb_list, geniocb, struct lpfc_iocbq, list);
234 spin_unlock_irq(phba->host->host_lock);
235
236 if (geniocb == NULL)
237 return 1;
238 memset(geniocb, 0, sizeof (struct lpfc_iocbq));
239
240 icmd = &geniocb->iocb;
241 icmd->un.genreq64.bdl.ulpIoTag32 = 0;
242 icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
243 icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
244 icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
245 icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
246
247 if (usr_flg)
248 geniocb->context3 = NULL;
249 else
250 geniocb->context3 = (uint8_t *) bmp;
251
252 /* Save for completion so we can release these resources */
253 geniocb->context1 = (uint8_t *) inp;
254 geniocb->context2 = (uint8_t *) outp;
255
256 /* Fill in payload, bp points to frame payload */
257 icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
258
259 /* Fill in rest of iocb */
260 icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
261 icmd->un.genreq64.w5.hcsw.Dfctl = 0;
262 icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
263 icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
264
265 if (!tmo)
266 tmo = (2 * phba->fc_ratov) + 1;
267 icmd->ulpTimeout = tmo;
268 icmd->ulpBdeCount = 1;
269 icmd->ulpLe = 1;
270 icmd->ulpClass = CLASS3;
271 icmd->ulpContext = ndlp->nlp_rpi;
272
273 /* Issue GEN REQ IOCB for NPORT <did> */
274 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
275 "%d:0119 Issue GEN REQ IOCB for NPORT x%x "
276 "Data: x%x x%x\n", phba->brd_no, icmd->un.ulpWord[5],
277 icmd->ulpIoTag, phba->hba_state);
278 geniocb->iocb_cmpl = cmpl;
279 geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
280 spin_lock_irq(phba->host->host_lock);
281 if (lpfc_sli_issue_iocb(phba, pring, geniocb, 0) == IOCB_ERROR) {
282 list_add_tail(&geniocb->list, lpfc_iocb_list);
283 spin_unlock_irq(phba->host->host_lock);
284 return 1;
285 }
286 spin_unlock_irq(phba->host->host_lock);
287
288 return 0;
289}
290
291static int
292lpfc_ct_cmd(struct lpfc_hba *phba, struct lpfc_dmabuf *inmp,
293 struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
294 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
295 struct lpfc_iocbq *),
296 uint32_t rsp_size)
297{
298 struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
299 struct lpfc_dmabuf *outmp;
300 int cnt = 0, status;
301 int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
302 CommandResponse.bits.CmdRsp;
303
304 bpl++; /* Skip past ct request */
305
306 /* Put buffer(s) for ct rsp in bpl */
307 outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
308 if (!outmp)
309 return -ENOMEM;
310
311 status = lpfc_gen_req(phba, bmp, inmp, outmp, cmpl, ndlp, 0,
312 cnt+1, 0);
313 if (status) {
314 lpfc_free_ct_rsp(phba, outmp);
315 return -ENOMEM;
316 }
317 return 0;
318}
319
320static int
321lpfc_ns_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mp, uint32_t Size)
322{
323 struct lpfc_sli_ct_request *Response =
324 (struct lpfc_sli_ct_request *) mp->virt;
325 struct lpfc_nodelist *ndlp = NULL;
326 struct lpfc_dmabuf *mlast, *next_mp;
327 uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
328 uint32_t Did;
329 uint32_t CTentry;
330 int Cnt;
331 struct list_head head;
332
333 lpfc_set_disctmo(phba);
334
335 Cnt = Size > FCELSSIZE ? FCELSSIZE : Size;
336
337 list_add_tail(&head, &mp->list);
338 list_for_each_entry_safe(mp, next_mp, &head, list) {
339 mlast = mp;
340
341 Size -= Cnt;
342
343 if (!ctptr)
344 ctptr = (uint32_t *) mlast->virt;
345 else
346 Cnt -= 16; /* subtract length of CT header */
347
348 /* Loop through entire NameServer list of DIDs */
349 while (Cnt) {
350
351 /* Get next DID from NameServer List */
352 CTentry = *ctptr++;
353 Did = ((be32_to_cpu(CTentry)) & Mask_DID);
354
355 ndlp = NULL;
356 if (Did != phba->fc_myDID) {
357 /* Check for rscn processing or not */
358 ndlp = lpfc_setup_disc_node(phba, Did);
359 }
360 /* Mark all node table entries that are in the
361 Nameserver */
362 if (ndlp) {
363 /* NameServer Rsp */
364 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
365 "%d:0238 Process x%x NameServer"
366 " Rsp Data: x%x x%x x%x\n",
367 phba->brd_no,
368 Did, ndlp->nlp_flag,
369 phba->fc_flag,
370 phba->fc_rscn_id_cnt);
371 } else {
372 /* NameServer Rsp */
373 lpfc_printf_log(phba,
374 KERN_INFO,
375 LOG_DISCOVERY,
376 "%d:0239 Skip x%x NameServer "
377 "Rsp Data: x%x x%x x%x\n",
378 phba->brd_no,
379 Did, Size, phba->fc_flag,
380 phba->fc_rscn_id_cnt);
381 }
382
383 if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
384 goto nsout1;
385 Cnt -= sizeof (uint32_t);
386 }
387 ctptr = NULL;
388
389 }
390
391nsout1:
392 list_del(&head);
393
394 /* Here we are finished in the case RSCN */
395 if (phba->hba_state == LPFC_HBA_READY) {
396 lpfc_els_flush_rscn(phba);
397 spin_lock_irq(phba->host->host_lock);
398 phba->fc_flag |= FC_RSCN_MODE; /* we are still in RSCN mode */
399 spin_unlock_irq(phba->host->host_lock);
400 }
401 return 0;
402}
403
404
405
406
407static void
408lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
409 struct lpfc_iocbq * rspiocb)
410{
411 IOCB_t *irsp;
412 struct lpfc_sli *psli;
413 struct lpfc_dmabuf *bmp;
414 struct lpfc_dmabuf *inp;
415 struct lpfc_dmabuf *outp;
416 struct lpfc_nodelist *ndlp;
417 struct lpfc_sli_ct_request *CTrsp;
418
419 psli = &phba->sli;
420 /* we pass cmdiocb to state machine which needs rspiocb as well */
421 cmdiocb->context_un.rsp_iocb = rspiocb;
422
423 inp = (struct lpfc_dmabuf *) cmdiocb->context1;
424 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
425 bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
426
427 irsp = &rspiocb->iocb;
428 if (irsp->ulpStatus) {
429 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
430 ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
431 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) {
432 goto out;
433 }
434
435 /* Check for retry */
436 if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
437 phba->fc_ns_retry++;
438 /* CT command is being retried */
439 ndlp =
440 lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
441 NameServer_DID);
442 if (ndlp) {
443 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) ==
444 0) {
445 goto out;
446 }
447 }
448 }
449 } else {
450 /* Good status, continue checking */
451 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
452 if (CTrsp->CommandResponse.bits.CmdRsp ==
453 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
454 lpfc_ns_rsp(phba, outp,
455 (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
456 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
457 be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
458 /* NameServer Rsp Error */
459 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
460 "%d:0240 NameServer Rsp Error "
461 "Data: x%x x%x x%x x%x\n",
462 phba->brd_no,
463 CTrsp->CommandResponse.bits.CmdRsp,
464 (uint32_t) CTrsp->ReasonCode,
465 (uint32_t) CTrsp->Explanation,
466 phba->fc_flag);
467 } else {
468 /* NameServer Rsp Error */
469 lpfc_printf_log(phba,
470 KERN_INFO,
471 LOG_DISCOVERY,
472 "%d:0241 NameServer Rsp Error "
473 "Data: x%x x%x x%x x%x\n",
474 phba->brd_no,
475 CTrsp->CommandResponse.bits.CmdRsp,
476 (uint32_t) CTrsp->ReasonCode,
477 (uint32_t) CTrsp->Explanation,
478 phba->fc_flag);
479 }
480 }
481 /* Link up / RSCN discovery */
482 lpfc_disc_start(phba);
483out:
484 lpfc_free_ct_rsp(phba, outp);
485 lpfc_mbuf_free(phba, inp->virt, inp->phys);
486 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
487 kfree(inp);
488 kfree(bmp);
489 spin_lock_irq(phba->host->host_lock);
490 list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list);
491 spin_unlock_irq(phba->host->host_lock);
492 return;
493}
494
495static void
496lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
497 struct lpfc_iocbq * rspiocb)
498{
499 struct lpfc_sli *psli;
500 struct lpfc_dmabuf *bmp;
501 struct lpfc_dmabuf *inp;
502 struct lpfc_dmabuf *outp;
503 IOCB_t *irsp;
504 struct lpfc_sli_ct_request *CTrsp;
505
506 psli = &phba->sli;
507 /* we pass cmdiocb to state machine which needs rspiocb as well */
508 cmdiocb->context_un.rsp_iocb = rspiocb;
509
510 inp = (struct lpfc_dmabuf *) cmdiocb->context1;
511 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
512 bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
513 irsp = &rspiocb->iocb;
514
515 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
516
517 /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
518 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
519 "%d:0209 RFT request completes ulpStatus x%x "
520 "CmdRsp x%x\n", phba->brd_no, irsp->ulpStatus,
521 CTrsp->CommandResponse.bits.CmdRsp);
522
523 lpfc_free_ct_rsp(phba, outp);
524 lpfc_mbuf_free(phba, inp->virt, inp->phys);
525 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
526 kfree(inp);
527 kfree(bmp);
528 spin_lock_irq(phba->host->host_lock);
529 list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list);
530 spin_unlock_irq(phba->host->host_lock);
531 return;
532}
533
534static void
535lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
536 struct lpfc_iocbq * rspiocb)
537{
538 lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
539 return;
540}
541
542static void
543lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
544 struct lpfc_iocbq * rspiocb)
545{
546 lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
547 return;
548}
549
550void
551lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp)
552{
553 char fwrev[16];
554
555 lpfc_decode_firmware_rev(phba, fwrev, 0);
556
557 if (phba->Port[0]) {
558 sprintf(symbp, "Emulex %s Port %s FV%s DV%s", phba->ModelName,
559 phba->Port, fwrev, lpfc_release_version);
560 } else {
561 sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName,
562 fwrev, lpfc_release_version);
563 }
564}
565
566/*
567 * lpfc_ns_cmd
568 * Description:
569 * Issue Cmd to NameServer
570 * SLI_CTNS_GID_FT
571 * LI_CTNS_RFT_ID
572 */
573int
574lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
575{
576 struct lpfc_dmabuf *mp, *bmp;
577 struct lpfc_sli_ct_request *CtReq;
578 struct ulp_bde64 *bpl;
579 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
580 struct lpfc_iocbq *) = NULL;
581 uint32_t rsp_size = 1024;
582
583 /* fill in BDEs for command */
584 /* Allocate buffer for command payload */
585 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
586 if (!mp)
587 goto ns_cmd_exit;
588
589 INIT_LIST_HEAD(&mp->list);
590 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
591 if (!mp->virt)
592 goto ns_cmd_free_mp;
593
594 /* Allocate buffer for Buffer ptr list */
595 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
596 if (!bmp)
597 goto ns_cmd_free_mpvirt;
598
599 INIT_LIST_HEAD(&bmp->list);
600 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
601 if (!bmp->virt)
602 goto ns_cmd_free_bmp;
603
604 /* NameServer Req */
605 lpfc_printf_log(phba,
606 KERN_INFO,
607 LOG_DISCOVERY,
608 "%d:0236 NameServer Req Data: x%x x%x x%x\n",
609 phba->brd_no, cmdcode, phba->fc_flag,
610 phba->fc_rscn_id_cnt);
611
612 bpl = (struct ulp_bde64 *) bmp->virt;
613 memset(bpl, 0, sizeof(struct ulp_bde64));
614 bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
615 bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
616 bpl->tus.f.bdeFlags = 0;
617 if (cmdcode == SLI_CTNS_GID_FT)
618 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
619 else if (cmdcode == SLI_CTNS_RFT_ID)
620 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
621 else if (cmdcode == SLI_CTNS_RNN_ID)
622 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
623 else if (cmdcode == SLI_CTNS_RSNN_NN)
624 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
625 else
626 bpl->tus.f.bdeSize = 0;
627 bpl->tus.w = le32_to_cpu(bpl->tus.w);
628
629 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
630 memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
631 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
632 CtReq->RevisionId.bits.InId = 0;
633 CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
634 CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
635 CtReq->CommandResponse.bits.Size = 0;
636 switch (cmdcode) {
637 case SLI_CTNS_GID_FT:
638 CtReq->CommandResponse.bits.CmdRsp =
639 be16_to_cpu(SLI_CTNS_GID_FT);
640 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
641 if (phba->hba_state < LPFC_HBA_READY)
642 phba->hba_state = LPFC_NS_QRY;
643 lpfc_set_disctmo(phba);
644 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
645 rsp_size = FC_MAX_NS_RSP;
646 break;
647
648 case SLI_CTNS_RFT_ID:
649 CtReq->CommandResponse.bits.CmdRsp =
650 be16_to_cpu(SLI_CTNS_RFT_ID);
651 CtReq->un.rft.PortId = be32_to_cpu(phba->fc_myDID);
652 CtReq->un.rft.fcpReg = 1;
653 cmpl = lpfc_cmpl_ct_cmd_rft_id;
654 break;
655
656 case SLI_CTNS_RNN_ID:
657 CtReq->CommandResponse.bits.CmdRsp =
658 be16_to_cpu(SLI_CTNS_RNN_ID);
659 CtReq->un.rnn.PortId = be32_to_cpu(phba->fc_myDID);
660 memcpy(CtReq->un.rnn.wwnn, &phba->fc_nodename,
661 sizeof (struct lpfc_name));
662 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
663 break;
664
665 case SLI_CTNS_RSNN_NN:
666 CtReq->CommandResponse.bits.CmdRsp =
667 be16_to_cpu(SLI_CTNS_RSNN_NN);
668 memcpy(CtReq->un.rsnn.wwnn, &phba->fc_nodename,
669 sizeof (struct lpfc_name));
670 lpfc_get_hba_sym_node_name(phba, CtReq->un.rsnn.symbname);
671 CtReq->un.rsnn.len = strlen(CtReq->un.rsnn.symbname);
672 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
673 break;
674 }
675
676 if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, rsp_size))
677 /* On success, The cmpl function will free the buffers */
678 return 0;
679
680 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
681ns_cmd_free_bmp:
682 kfree(bmp);
683ns_cmd_free_mpvirt:
684 lpfc_mbuf_free(phba, mp->virt, mp->phys);
685ns_cmd_free_mp:
686 kfree(mp);
687ns_cmd_exit:
688 return 1;
689}
690
691static void
692lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba,
693 struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb)
694{
695 struct lpfc_dmabuf *bmp = cmdiocb->context3;
696 struct lpfc_dmabuf *inp = cmdiocb->context1;
697 struct lpfc_dmabuf *outp = cmdiocb->context2;
698 struct lpfc_sli_ct_request *CTrsp = outp->virt;
699 struct lpfc_sli_ct_request *CTcmd = inp->virt;
700 struct lpfc_nodelist *ndlp;
701 uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
702 uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
703
704 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
705 if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
706 /* FDMI rsp failed */
707 lpfc_printf_log(phba,
708 KERN_INFO,
709 LOG_DISCOVERY,
710 "%d:0220 FDMI rsp failed Data: x%x\n",
711 phba->brd_no,
712 be16_to_cpu(fdmi_cmd));
713 }
714
715 switch (be16_to_cpu(fdmi_cmd)) {
716 case SLI_MGMT_RHBA:
717 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RPA);
718 break;
719
720 case SLI_MGMT_RPA:
721 break;
722
723 case SLI_MGMT_DHBA:
724 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DPRT);
725 break;
726
727 case SLI_MGMT_DPRT:
728 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RHBA);
729 break;
730 }
731
732 lpfc_free_ct_rsp(phba, outp);
733 lpfc_mbuf_free(phba, inp->virt, inp->phys);
734 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
735 kfree(inp);
736 kfree(bmp);
737 spin_lock_irq(phba->host->host_lock);
738 list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list);
739 spin_unlock_irq(phba->host->host_lock);
740 return;
741}
742int
743lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
744{
745 struct lpfc_dmabuf *mp, *bmp;
746 struct lpfc_sli_ct_request *CtReq;
747 struct ulp_bde64 *bpl;
748 uint32_t size;
749 REG_HBA *rh;
750 PORT_ENTRY *pe;
751 REG_PORT_ATTRIBUTE *pab;
752 ATTRIBUTE_BLOCK *ab;
753 ATTRIBUTE_ENTRY *ae;
754 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
755 struct lpfc_iocbq *);
756
757
758 /* fill in BDEs for command */
759 /* Allocate buffer for command payload */
760 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
761 if (!mp)
762 goto fdmi_cmd_exit;
763
764 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
765 if (!mp->virt)
766 goto fdmi_cmd_free_mp;
767
768 /* Allocate buffer for Buffer ptr list */
769 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
770 if (!bmp)
771 goto fdmi_cmd_free_mpvirt;
772
773 bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
774 if (!bmp->virt)
775 goto fdmi_cmd_free_bmp;
776
777 INIT_LIST_HEAD(&mp->list);
778 INIT_LIST_HEAD(&bmp->list);
779
780 /* FDMI request */
781 lpfc_printf_log(phba,
782 KERN_INFO,
783 LOG_DISCOVERY,
784 "%d:0218 FDMI Request Data: x%x x%x x%x\n",
785 phba->brd_no,
786 phba->fc_flag, phba->hba_state, cmdcode);
787
788 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
789
790 memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
791 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
792 CtReq->RevisionId.bits.InId = 0;
793
794 CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
795 CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
796 size = 0;
797
798 switch (cmdcode) {
799 case SLI_MGMT_RHBA:
800 {
801 lpfc_vpd_t *vp = &phba->vpd;
802 uint32_t i, j, incr;
803 int len;
804
805 CtReq->CommandResponse.bits.CmdRsp =
806 be16_to_cpu(SLI_MGMT_RHBA);
807 CtReq->CommandResponse.bits.Size = 0;
808 rh = (REG_HBA *) & CtReq->un.PortID;
809 memcpy(&rh->hi.PortName, &phba->fc_sparam.portName,
810 sizeof (struct lpfc_name));
811 /* One entry (port) per adapter */
812 rh->rpl.EntryCnt = be32_to_cpu(1);
813 memcpy(&rh->rpl.pe, &phba->fc_sparam.portName,
814 sizeof (struct lpfc_name));
815
816 /* point to the HBA attribute block */
817 size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
818 ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
819 ab->EntryCnt = 0;
820
821 /* Point to the beginning of the first HBA attribute
822 entry */
823 /* #1 HBA attribute entry */
824 size += FOURBYTES;
825 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
826 ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
827 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES
828 + sizeof (struct lpfc_name));
829 memcpy(&ae->un.NodeName, &phba->fc_sparam.nodeName,
830 sizeof (struct lpfc_name));
831 ab->EntryCnt++;
832 size += FOURBYTES + sizeof (struct lpfc_name);
833
834 /* #2 HBA attribute entry */
835 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
836 ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
837 strcpy(ae->un.Manufacturer, "Emulex Corporation");
838 len = strlen(ae->un.Manufacturer);
839 len += (len & 3) ? (4 - (len & 3)) : 4;
840 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
841 ab->EntryCnt++;
842 size += FOURBYTES + len;
843
844 /* #3 HBA attribute entry */
845 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
846 ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
847 strcpy(ae->un.SerialNumber, phba->SerialNumber);
848 len = strlen(ae->un.SerialNumber);
849 len += (len & 3) ? (4 - (len & 3)) : 4;
850 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
851 ab->EntryCnt++;
852 size += FOURBYTES + len;
853
854 /* #4 HBA attribute entry */
855 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
856 ae->ad.bits.AttrType = be16_to_cpu(MODEL);
857 strcpy(ae->un.Model, phba->ModelName);
858 len = strlen(ae->un.Model);
859 len += (len & 3) ? (4 - (len & 3)) : 4;
860 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
861 ab->EntryCnt++;
862 size += FOURBYTES + len;
863
864 /* #5 HBA attribute entry */
865 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
866 ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
867 strcpy(ae->un.ModelDescription, phba->ModelDesc);
868 len = strlen(ae->un.ModelDescription);
869 len += (len & 3) ? (4 - (len & 3)) : 4;
870 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
871 ab->EntryCnt++;
872 size += FOURBYTES + len;
873
874 /* #6 HBA attribute entry */
875 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
876 ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
877 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
878 /* Convert JEDEC ID to ascii for hardware version */
879 incr = vp->rev.biuRev;
880 for (i = 0; i < 8; i++) {
881 j = (incr & 0xf);
882 if (j <= 9)
883 ae->un.HardwareVersion[7 - i] =
884 (char)((uint8_t) 0x30 +
885 (uint8_t) j);
886 else
887 ae->un.HardwareVersion[7 - i] =
888 (char)((uint8_t) 0x61 +
889 (uint8_t) (j - 10));
890 incr = (incr >> 4);
891 }
892 ab->EntryCnt++;
893 size += FOURBYTES + 8;
894
895 /* #7 HBA attribute entry */
896 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
897 ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
898 strcpy(ae->un.DriverVersion, lpfc_release_version);
899 len = strlen(ae->un.DriverVersion);
900 len += (len & 3) ? (4 - (len & 3)) : 4;
901 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
902 ab->EntryCnt++;
903 size += FOURBYTES + len;
904
905 /* #8 HBA attribute entry */
906 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
907 ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
908 strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
909 len = strlen(ae->un.OptionROMVersion);
910 len += (len & 3) ? (4 - (len & 3)) : 4;
911 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
912 ab->EntryCnt++;
913 size += FOURBYTES + len;
914
915 /* #9 HBA attribute entry */
916 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
917 ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
918 lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
919 1);
920 len = strlen(ae->un.FirmwareVersion);
921 len += (len & 3) ? (4 - (len & 3)) : 4;
922 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
923 ab->EntryCnt++;
924 size += FOURBYTES + len;
925
926 /* #10 HBA attribute entry */
927 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
928 ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
929 sprintf(ae->un.OsNameVersion, "%s %s %s",
930 system_utsname.sysname, system_utsname.release,
931 system_utsname.version);
932 len = strlen(ae->un.OsNameVersion);
933 len += (len & 3) ? (4 - (len & 3)) : 4;
934 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
935 ab->EntryCnt++;
936 size += FOURBYTES + len;
937
938 /* #11 HBA attribute entry */
939 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
940 ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
941 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
942 ae->un.MaxCTPayloadLen = (65 * 4096);
943 ab->EntryCnt++;
944 size += FOURBYTES + 4;
945
946 ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
947 /* Total size */
948 size = GID_REQUEST_SZ - 4 + size;
949 }
950 break;
951
952 case SLI_MGMT_RPA:
953 {
954 lpfc_vpd_t *vp;
955 struct serv_parm *hsp;
956 int len;
957
958 vp = &phba->vpd;
959
960 CtReq->CommandResponse.bits.CmdRsp =
961 be16_to_cpu(SLI_MGMT_RPA);
962 CtReq->CommandResponse.bits.Size = 0;
963 pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
964 size = sizeof (struct lpfc_name) + FOURBYTES;
965 memcpy((uint8_t *) & pab->PortName,
966 (uint8_t *) & phba->fc_sparam.portName,
967 sizeof (struct lpfc_name));
968 pab->ab.EntryCnt = 0;
969
970 /* #1 Port attribute entry */
971 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
972 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
973 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
974 ae->un.SupportFC4Types[2] = 1;
975 ae->un.SupportFC4Types[7] = 1;
976 pab->ab.EntryCnt++;
977 size += FOURBYTES + 32;
978
979 /* #2 Port attribute entry */
980 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
981 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
982 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
983 if (FC_JEDEC_ID(vp->rev.biuRev) == VIPER_JEDEC_ID)
984 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
985 else if (FC_JEDEC_ID(vp->rev.biuRev) == HELIOS_JEDEC_ID)
986 ae->un.SupportSpeed = HBA_PORTSPEED_4GBIT;
987 else if ((FC_JEDEC_ID(vp->rev.biuRev) ==
988 CENTAUR_2G_JEDEC_ID)
989 || (FC_JEDEC_ID(vp->rev.biuRev) ==
990 PEGASUS_JEDEC_ID)
991 || (FC_JEDEC_ID(vp->rev.biuRev) ==
992 THOR_JEDEC_ID))
993 ae->un.SupportSpeed = HBA_PORTSPEED_2GBIT;
994 else
995 ae->un.SupportSpeed = HBA_PORTSPEED_1GBIT;
996 pab->ab.EntryCnt++;
997 size += FOURBYTES + 4;
998
999 /* #3 Port attribute entry */
1000 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1001 ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1002 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1003 switch(phba->fc_linkspeed) {
1004 case LA_1GHZ_LINK:
1005 ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1006 break;
1007 case LA_2GHZ_LINK:
1008 ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1009 break;
1010 case LA_4GHZ_LINK:
1011 ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1012 break;
1013 default:
1014 ae->un.PortSpeed =
1015 HBA_PORTSPEED_UNKNOWN;
1016 break;
1017 }
1018 pab->ab.EntryCnt++;
1019 size += FOURBYTES + 4;
1020
1021 /* #4 Port attribute entry */
1022 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1023 ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1024 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1025 hsp = (struct serv_parm *) & phba->fc_sparam;
1026 ae->un.MaxFrameSize =
1027 (((uint32_t) hsp->cmn.
1028 bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1029 bbRcvSizeLsb;
1030 pab->ab.EntryCnt++;
1031 size += FOURBYTES + 4;
1032
1033 /* #5 Port attribute entry */
1034 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1035 ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1036 strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1037 len = strlen((char *)ae->un.OsDeviceName);
1038 len += (len & 3) ? (4 - (len & 3)) : 4;
1039 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1040 pab->ab.EntryCnt++;
1041 size += FOURBYTES + len;
1042
1043 if (phba->cfg_fdmi_on == 2) {
1044 /* #6 Port attribute entry */
1045 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1046 size);
1047 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1048 sprintf(ae->un.HostName, "%s",
1049 system_utsname.nodename);
1050 len = strlen(ae->un.HostName);
1051 len += (len & 3) ? (4 - (len & 3)) : 4;
1052 ae->ad.bits.AttrLen =
1053 be16_to_cpu(FOURBYTES + len);
1054 pab->ab.EntryCnt++;
1055 size += FOURBYTES + len;
1056 }
1057
1058 pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1059 /* Total size */
1060 size = GID_REQUEST_SZ - 4 + size;
1061 }
1062 break;
1063
1064 case SLI_MGMT_DHBA:
1065 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1066 CtReq->CommandResponse.bits.Size = 0;
1067 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1068 memcpy((uint8_t *) & pe->PortName,
1069 (uint8_t *) & phba->fc_sparam.portName,
1070 sizeof (struct lpfc_name));
1071 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1072 break;
1073
1074 case SLI_MGMT_DPRT:
1075 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1076 CtReq->CommandResponse.bits.Size = 0;
1077 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1078 memcpy((uint8_t *) & pe->PortName,
1079 (uint8_t *) & phba->fc_sparam.portName,
1080 sizeof (struct lpfc_name));
1081 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1082 break;
1083 }
1084
1085 bpl = (struct ulp_bde64 *) bmp->virt;
1086 bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
1087 bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
1088 bpl->tus.f.bdeFlags = 0;
1089 bpl->tus.f.bdeSize = size;
1090 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1091
1092 cmpl = lpfc_cmpl_ct_cmd_fdmi;
1093
1094 if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP))
1095 return 0;
1096
1097 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1098fdmi_cmd_free_bmp:
1099 kfree(bmp);
1100fdmi_cmd_free_mpvirt:
1101 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1102fdmi_cmd_free_mp:
1103 kfree(mp);
1104fdmi_cmd_exit:
1105 /* Issue FDMI request failed */
1106 lpfc_printf_log(phba,
1107 KERN_INFO,
1108 LOG_DISCOVERY,
1109 "%d:0244 Issue FDMI request failed Data: x%x\n",
1110 phba->brd_no,
1111 cmdcode);
1112 return 1;
1113}
1114
1115void
1116lpfc_fdmi_tmo(unsigned long ptr)
1117{
1118 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1119 unsigned long iflag;
1120
1121 spin_lock_irqsave(phba->host->host_lock, iflag);
1122 if (!(phba->work_hba_events & WORKER_FDMI_TMO)) {
1123 phba->work_hba_events |= WORKER_FDMI_TMO;
1124 if (phba->work_wait)
1125 wake_up(phba->work_wait);
1126 }
1127 spin_unlock_irqrestore(phba->host->host_lock,iflag);
1128}
1129
1130void
1131lpfc_fdmi_tmo_handler(struct lpfc_hba *phba)
1132{
1133 struct lpfc_nodelist *ndlp;
1134
1135 spin_lock_irq(phba->host->host_lock);
1136 if (!(phba->work_hba_events & WORKER_FDMI_TMO)) {
1137 spin_unlock_irq(phba->host->host_lock);
1138 return;
1139 }
1140 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
1141 if (ndlp) {
1142 if (system_utsname.nodename[0] != '\0') {
1143 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
1144 } else {
1145 mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
1146 }
1147 }
1148 spin_unlock_irq(phba->host->host_lock);
1149 return;
1150}
1151
1152
1153void
1154lpfc_decode_firmware_rev(struct lpfc_hba * phba, char *fwrevision, int flag)
1155{
1156 struct lpfc_sli *psli = &phba->sli;
1157 lpfc_vpd_t *vp = &phba->vpd;
1158 uint32_t b1, b2, b3, b4, i, rev;
1159 char c;
1160 uint32_t *ptr, str[4];
1161 uint8_t *fwname;
1162
1163 if (vp->rev.rBit) {
1164 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1165 rev = vp->rev.sli2FwRev;
1166 else
1167 rev = vp->rev.sli1FwRev;
1168
1169 b1 = (rev & 0x0000f000) >> 12;
1170 b2 = (rev & 0x00000f00) >> 8;
1171 b3 = (rev & 0x000000c0) >> 6;
1172 b4 = (rev & 0x00000030) >> 4;
1173
1174 switch (b4) {
1175 case 0:
1176 c = 'N';
1177 break;
1178 case 1:
1179 c = 'A';
1180 break;
1181 case 2:
1182 c = 'B';
1183 break;
1184 default:
1185 c = 0;
1186 break;
1187 }
1188 b4 = (rev & 0x0000000f);
1189
1190 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1191 fwname = vp->rev.sli2FwName;
1192 else
1193 fwname = vp->rev.sli1FwName;
1194
1195 for (i = 0; i < 16; i++)
1196 if (fwname[i] == 0x20)
1197 fwname[i] = 0;
1198
1199 ptr = (uint32_t*)fwname;
1200
1201 for (i = 0; i < 3; i++)
1202 str[i] = be32_to_cpu(*ptr++);
1203
1204 if (c == 0) {
1205 if (flag)
1206 sprintf(fwrevision, "%d.%d%d (%s)",
1207 b1, b2, b3, (char *)str);
1208 else
1209 sprintf(fwrevision, "%d.%d%d", b1,
1210 b2, b3);
1211 } else {
1212 if (flag)
1213 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1214 b1, b2, b3, c,
1215 b4, (char *)str);
1216 else
1217 sprintf(fwrevision, "%d.%d%d%c%d",
1218 b1, b2, b3, c, b4);
1219 }
1220 } else {
1221 rev = vp->rev.smFwRev;
1222
1223 b1 = (rev & 0xff000000) >> 24;
1224 b2 = (rev & 0x00f00000) >> 20;
1225 b3 = (rev & 0x000f0000) >> 16;
1226 c = (rev & 0x0000ff00) >> 8;
1227 b4 = (rev & 0x000000ff);
1228
1229 if (flag)
1230 sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1231 b2, b3, c, b4);
1232 else
1233 sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1234 b2, b3, c, b4);
1235 }
1236 return;
1237}
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
new file mode 100644
index 000000000000..adccc99510d5
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -0,0 +1,206 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_disc.h 1.61 2005/04/07 08:46:52EDT sf_support Exp $
23 */
24
25#define FC_MAX_HOLD_RSCN 32 /* max number of deferred RSCNs */
26#define FC_MAX_NS_RSP 65536 /* max size NameServer rsp */
27#define FC_MAXLOOP 126 /* max devices supported on a fc loop */
28#define LPFC_DISC_FLOGI_TMO 10 /* Discovery FLOGI ratov */
29
30
31/* This is the protocol dependent definition for a Node List Entry.
32 * This is used by Fibre Channel protocol to support FCP.
33 */
34
35/* structure used to queue event to the discovery tasklet */
36struct lpfc_work_evt {
37 struct list_head evt_listp;
38 void * evt_arg1;
39 void * evt_arg2;
40 uint32_t evt;
41};
42
43#define LPFC_EVT_NODEV_TMO 0x1
44#define LPFC_EVT_ONLINE 0x2
45#define LPFC_EVT_OFFLINE 0x3
46#define LPFC_EVT_ELS_RETRY 0x4
47
48struct lpfc_nodelist {
49 struct list_head nlp_listp;
50 struct lpfc_name nlp_portname; /* port name */
51 struct lpfc_name nlp_nodename; /* node name */
52 uint32_t nlp_flag; /* entry flags */
53 uint32_t nlp_DID; /* FC D_ID of entry */
54 uint32_t nlp_last_elscmd; /* Last ELS cmd sent */
55 uint16_t nlp_type;
56#define NLP_FC_NODE 0x1 /* entry is an FC node */
57#define NLP_FABRIC 0x4 /* entry rep a Fabric entity */
58#define NLP_FCP_TARGET 0x8 /* entry is an FCP target */
59#define NLP_FCP_INITIATOR 0x10 /* entry is an FCP Initiator */
60
61 uint16_t nlp_rpi;
62 uint16_t nlp_state; /* state transition indicator */
63 uint16_t nlp_xri; /* output exchange id for RPI */
64 uint16_t nlp_sid; /* scsi id */
65#define NLP_NO_SID 0xffff
66 uint16_t nlp_maxframe; /* Max RCV frame size */
67 uint8_t nlp_class_sup; /* Supported Classes */
68 uint8_t nlp_retry; /* used for ELS retries */
69 uint8_t nlp_disc_refcnt; /* used for DSM */
70 uint8_t nlp_fcp_info; /* class info, bits 0-3 */
71#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */
72
73 struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
74 struct timer_list nlp_tmofunc; /* Used for nodev tmo */
75 struct fc_rport *rport; /* Corresponding FC transport
76 port structure */
77 struct lpfc_nodelist *nlp_rpi_hash_next;
78 struct lpfc_hba *nlp_phba;
79 struct lpfc_work_evt nodev_timeout_evt;
80 struct lpfc_work_evt els_retry_evt;
81};
82
83/* Defines for nlp_flag (uint32) */
84#define NLP_NO_LIST 0x0 /* Indicates immediately free node */
85#define NLP_UNUSED_LIST 0x1 /* Flg to indicate node will be freed */
86#define NLP_PLOGI_LIST 0x2 /* Flg to indicate sent PLOGI */
87#define NLP_ADISC_LIST 0x3 /* Flg to indicate sent ADISC */
88#define NLP_REGLOGIN_LIST 0x4 /* Flg to indicate sent REG_LOGIN */
89#define NLP_PRLI_LIST 0x5 /* Flg to indicate sent PRLI */
90#define NLP_UNMAPPED_LIST 0x6 /* Node is now unmapped */
91#define NLP_MAPPED_LIST 0x7 /* Node is now mapped */
92#define NLP_NPR_LIST 0x8 /* Node is in NPort Recovery state */
93#define NLP_JUST_DQ 0x9 /* just deque ndlp in lpfc_nlp_list */
94#define NLP_LIST_MASK 0xf /* mask to see what list node is on */
95#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */
96#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */
97#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */
98#define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */
99#define NLP_RNID_SND 0x400 /* sent RNID request for this entry */
100#define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */
101#define NLP_NODEV_TMO 0x10000 /* nodev timeout is running for node */
102#define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */
103#define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */
104#define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */
105#define NLP_LOGO_ACC 0x100000 /* Process LOGO after ACC completes */
106#define NLP_TGT_NO_SCSIID 0x200000 /* good PRLI but no binding for scsid */
107#define NLP_ACC_REGLOGIN 0x1000000 /* Issue Reg Login after successful
108 ACC */
109#define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from
110 NPR list */
111#define NLP_DELAY_REMOVE 0x4000000 /* Defer removal till end of DSM */
112
113/* Defines for list searchs */
114#define NLP_SEARCH_MAPPED 0x1 /* search mapped */
115#define NLP_SEARCH_UNMAPPED 0x2 /* search unmapped */
116#define NLP_SEARCH_PLOGI 0x4 /* search plogi */
117#define NLP_SEARCH_ADISC 0x8 /* search adisc */
118#define NLP_SEARCH_REGLOGIN 0x10 /* search reglogin */
119#define NLP_SEARCH_PRLI 0x20 /* search prli */
120#define NLP_SEARCH_NPR 0x40 /* search npr */
121#define NLP_SEARCH_UNUSED 0x80 /* search mapped */
122#define NLP_SEARCH_ALL 0xff /* search all lists */
123
124/* There are 4 different double linked lists nodelist entries can reside on.
125 * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used
126 * when Link Up discovery or Registered State Change Notification (RSCN)
127 * processing is needed. Each list holds the nodes that require a PLOGI or
128 * ADISC Extended Link Service (ELS) request. These lists keep track of the
129 * nodes affected by an RSCN, or a Link Up (Typically, all nodes are effected
130 * by Link Up) event. The unmapped_list contains all nodes that have
131 * successfully logged into at the Fibre Channel level. The
132 * mapped_list will contain all nodes that are mapped FCP targets.
133 *
134 * The bind list is a list of undiscovered (potentially non-existent) nodes
135 * that we have saved binding information on. This information is used when
136 * nodes transition from the unmapped to the mapped list.
137 */
138
139/* Defines for nlp_state */
140#define NLP_STE_UNUSED_NODE 0x0 /* node is just allocated */
141#define NLP_STE_PLOGI_ISSUE 0x1 /* PLOGI was sent to NL_PORT */
142#define NLP_STE_ADISC_ISSUE 0x2 /* ADISC was sent to NL_PORT */
143#define NLP_STE_REG_LOGIN_ISSUE 0x3 /* REG_LOGIN was issued for NL_PORT */
144#define NLP_STE_PRLI_ISSUE 0x4 /* PRLI was sent to NL_PORT */
145#define NLP_STE_UNMAPPED_NODE 0x5 /* PRLI completed from NL_PORT */
146#define NLP_STE_MAPPED_NODE 0x6 /* Identified as a FCP Target */
147#define NLP_STE_NPR_NODE 0x7 /* NPort disappeared */
148#define NLP_STE_MAX_STATE 0x8
149#define NLP_STE_FREED_NODE 0xff /* node entry was freed to MEM_NLP */
150
151/* For UNUSED_NODE state, the node has just been allocated.
152 * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on
153 * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list
154 * and put on the unmapped list. For ADISC processing, the node is taken off
155 * the ADISC list and placed on either the mapped or unmapped list (depending
156 * on its previous state). Once on the unmapped list, a PRLI is issued and the
157 * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is
158 * changed to PRLI_COMPL. If the completion indicates a mapped
159 * node, the node is taken off the unmapped list. The binding list is checked
160 * for a valid binding, or a binding is automatically assigned. If binding
161 * assignment is unsuccessful, the node is left on the unmapped list. If
162 * binding assignment is successful, the associated binding list entry (if
163 * any) is removed, and the node is placed on the mapped list.
164 */
165/*
166 * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped
167 * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers
168 * expire, all effected nodes will receive a DEVICE_RM event.
169 */
170/*
171 * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists
172 * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap
173 * check, additional nodes may be added (DEVICE_ADD) or removed (DEVICE_RM) to /
174 * from the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated,
175 * we will first process the ADISC list. 32 entries are processed initially and
176 * ADISC is initited for each one. Completions / Events for each node are
177 * funnelled thru the state machine. As each node finishes ADISC processing, it
178 * starts ADISC for any nodes waiting for ADISC processing. If no nodes are
179 * waiting, and the ADISC list count is identically 0, then we are done. For
180 * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we
181 * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI
182 * list. 32 entries are processed initially and PLOGI is initited for each one.
183 * Completions / Events for each node are funnelled thru the state machine. As
184 * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting
185 * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is
186 * identically 0, then we are done. We have now completed discovery / RSCN
187 * handling. Upon completion, ALL nodes should be on either the mapped or
188 * unmapped lists.
189 */
190
191/* Defines for Node List Entry Events that could happen */
192#define NLP_EVT_RCV_PLOGI 0x0 /* Rcv'd an ELS PLOGI command */
193#define NLP_EVT_RCV_PRLI 0x1 /* Rcv'd an ELS PRLI command */
194#define NLP_EVT_RCV_LOGO 0x2 /* Rcv'd an ELS LOGO command */
195#define NLP_EVT_RCV_ADISC 0x3 /* Rcv'd an ELS ADISC command */
196#define NLP_EVT_RCV_PDISC 0x4 /* Rcv'd an ELS PDISC command */
197#define NLP_EVT_RCV_PRLO 0x5 /* Rcv'd an ELS PRLO command */
198#define NLP_EVT_CMPL_PLOGI 0x6 /* Sent an ELS PLOGI command */
199#define NLP_EVT_CMPL_PRLI 0x7 /* Sent an ELS PRLI command */
200#define NLP_EVT_CMPL_LOGO 0x8 /* Sent an ELS LOGO command */
201#define NLP_EVT_CMPL_ADISC 0x9 /* Sent an ELS ADISC command */
202#define NLP_EVT_CMPL_REG_LOGIN 0xa /* REG_LOGIN mbox cmd completed */
203#define NLP_EVT_DEVICE_RM 0xb /* Device not found in NS / ALPAmap */
204#define NLP_EVT_DEVICE_RECOVERY 0xc /* Device existence unknown */
205#define NLP_EVT_MAX_EVENT 0xd
206
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
new file mode 100644
index 000000000000..68d1b77e0256
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -0,0 +1,3258 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_els.c 1.186 2005/04/13 14:26:55EDT sf_support Exp $
23 */
24
25#include <linux/blkdev.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28
29#include <scsi/scsi_device.h>
30#include <scsi/scsi_host.h>
31#include <scsi/scsi_transport_fc.h>
32
33#include "lpfc_hw.h"
34#include "lpfc_sli.h"
35#include "lpfc_disc.h"
36#include "lpfc_scsi.h"
37#include "lpfc.h"
38#include "lpfc_logmsg.h"
39#include "lpfc_crtn.h"
40
41static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *,
42 struct lpfc_iocbq *);
43static int lpfc_max_els_tries = 3;
44
45static int
46lpfc_els_chk_latt(struct lpfc_hba * phba)
47{
48 struct lpfc_sli *psli;
49 LPFC_MBOXQ_t *mbox;
50 uint32_t ha_copy;
51 int rc;
52
53 psli = &phba->sli;
54
55 if ((phba->hba_state >= LPFC_HBA_READY) ||
56 (phba->hba_state == LPFC_LINK_DOWN))
57 return 0;
58
59 /* Read the HBA Host Attention Register */
60 spin_lock_irq(phba->host->host_lock);
61 ha_copy = readl(phba->HAregaddr);
62 spin_unlock_irq(phba->host->host_lock);
63
64 if (!(ha_copy & HA_LATT))
65 return 0;
66
67 /* Pending Link Event during Discovery */
68 lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY,
69 "%d:0237 Pending Link Event during "
70 "Discovery: State x%x\n",
71 phba->brd_no, phba->hba_state);
72
73 /* CLEAR_LA should re-enable link attention events and
74 * we should then imediately take a LATT event. The
75 * LATT processing should call lpfc_linkdown() which
76 * will cleanup any left over in-progress discovery
77 * events.
78 */
79 spin_lock_irq(phba->host->host_lock);
80 phba->fc_flag |= FC_ABORT_DISCOVERY;
81 spin_unlock_irq(phba->host->host_lock);
82
83 if (phba->hba_state != LPFC_CLEAR_LA) {
84 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
85 phba->hba_state = LPFC_CLEAR_LA;
86 lpfc_clear_la(phba, mbox);
87 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
88 rc = lpfc_sli_issue_mbox (phba, mbox,
89 (MBX_NOWAIT | MBX_STOP_IOCB));
90 if (rc == MBX_NOT_FINISHED) {
91 mempool_free(mbox, phba->mbox_mem_pool);
92 phba->hba_state = LPFC_HBA_ERROR;
93 }
94 }
95 }
96
97 return (1);
98
99}
100
101static struct lpfc_iocbq *
102lpfc_prep_els_iocb(struct lpfc_hba * phba,
103 uint8_t expectRsp,
104 uint16_t cmdSize,
105 uint8_t retry, struct lpfc_nodelist * ndlp, uint32_t elscmd)
106{
107 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
108 struct lpfc_sli_ring *pring;
109 struct lpfc_iocbq *elsiocb = NULL;
110 struct lpfc_dmabuf *pcmd, *prsp, *pbuflist;
111 struct ulp_bde64 *bpl;
112 IOCB_t *icmd;
113
114 pring = &phba->sli.ring[LPFC_ELS_RING];
115
116 if (phba->hba_state < LPFC_LINK_UP)
117 return NULL;
118
119
120 /* Allocate buffer for command iocb */
121 spin_lock_irq(phba->host->host_lock);
122 list_remove_head(lpfc_iocb_list, elsiocb, struct lpfc_iocbq, list);
123 spin_unlock_irq(phba->host->host_lock);
124
125 if (elsiocb == NULL)
126 return NULL;
127 memset(elsiocb, 0, sizeof (struct lpfc_iocbq));
128 icmd = &elsiocb->iocb;
129
130 /* fill in BDEs for command */
131 /* Allocate buffer for command payload */
132 if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
133 ((pcmd->virt = lpfc_mbuf_alloc(phba,
134 MEM_PRI, &(pcmd->phys))) == 0)) {
135 if (pcmd)
136 kfree(pcmd);
137
138 list_add_tail(&elsiocb->list, lpfc_iocb_list);
139 return NULL;
140 }
141
142 INIT_LIST_HEAD(&pcmd->list);
143
144 /* Allocate buffer for response payload */
145 if (expectRsp) {
146 prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
147 if (prsp)
148 prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
149 &prsp->phys);
150 if (prsp == 0 || prsp->virt == 0) {
151 if (prsp)
152 kfree(prsp);
153 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
154 kfree(pcmd);
155 list_add_tail(&elsiocb->list, lpfc_iocb_list);
156 return NULL;
157 }
158 INIT_LIST_HEAD(&prsp->list);
159 } else {
160 prsp = NULL;
161 }
162
163 /* Allocate buffer for Buffer ptr list */
164 pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
165 if (pbuflist)
166 pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
167 &pbuflist->phys);
168 if (pbuflist == 0 || pbuflist->virt == 0) {
169 list_add_tail(&elsiocb->list, lpfc_iocb_list);
170 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
171 lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
172 kfree(pcmd);
173 kfree(prsp);
174 if (pbuflist)
175 kfree(pbuflist);
176 return NULL;
177 }
178
179 INIT_LIST_HEAD(&pbuflist->list);
180
181 icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
182 icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
183 icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
184 if (expectRsp) {
185 icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
186 icmd->un.elsreq64.remoteID = ndlp->nlp_DID; /* DID */
187 icmd->ulpCommand = CMD_ELS_REQUEST64_CR;
188 } else {
189 icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64);
190 icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX;
191 }
192
193 icmd->ulpBdeCount = 1;
194 icmd->ulpLe = 1;
195 icmd->ulpClass = CLASS3;
196
197 bpl = (struct ulp_bde64 *) pbuflist->virt;
198 bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys));
199 bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys));
200 bpl->tus.f.bdeSize = cmdSize;
201 bpl->tus.f.bdeFlags = 0;
202 bpl->tus.w = le32_to_cpu(bpl->tus.w);
203
204 if (expectRsp) {
205 bpl++;
206 bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys));
207 bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys));
208 bpl->tus.f.bdeSize = FCELSSIZE;
209 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
210 bpl->tus.w = le32_to_cpu(bpl->tus.w);
211 }
212
213 /* Save for completion so we can release these resources */
214 elsiocb->context1 = (uint8_t *) ndlp;
215 elsiocb->context2 = (uint8_t *) pcmd;
216 elsiocb->context3 = (uint8_t *) pbuflist;
217 elsiocb->retry = retry;
218 elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT;
219
220 if (prsp) {
221 list_add(&prsp->list, &pcmd->list);
222 }
223
224 if (expectRsp) {
225 /* Xmit ELS command <elsCmd> to remote NPORT <did> */
226 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
227 "%d:0116 Xmit ELS command x%x to remote "
228 "NPORT x%x Data: x%x x%x\n",
229 phba->brd_no, elscmd,
230 ndlp->nlp_DID, icmd->ulpIoTag, phba->hba_state);
231 } else {
232 /* Xmit ELS response <elsCmd> to remote NPORT <did> */
233 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
234 "%d:0117 Xmit ELS response x%x to remote "
235 "NPORT x%x Data: x%x x%x\n",
236 phba->brd_no, elscmd,
237 ndlp->nlp_DID, icmd->ulpIoTag, cmdSize);
238 }
239
240 return (elsiocb);
241}
242
243
244static int
245lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
246 struct serv_parm *sp, IOCB_t *irsp)
247{
248 LPFC_MBOXQ_t *mbox;
249 int rc;
250
251 spin_lock_irq(phba->host->host_lock);
252 phba->fc_flag |= FC_FABRIC;
253 spin_unlock_irq(phba->host->host_lock);
254
255 phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov);
256 if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */
257 phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000;
258
259 phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000;
260
261 if (phba->fc_topology == TOPOLOGY_LOOP) {
262 spin_lock_irq(phba->host->host_lock);
263 phba->fc_flag |= FC_PUBLIC_LOOP;
264 spin_unlock_irq(phba->host->host_lock);
265 } else {
266 /*
267 * If we are a N-port connected to a Fabric, fixup sparam's so
268 * logins to devices on remote loops work.
269 */
270 phba->fc_sparam.cmn.altBbCredit = 1;
271 }
272
273 phba->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
274 memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name));
275 memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name));
276 ndlp->nlp_class_sup = 0;
277 if (sp->cls1.classValid)
278 ndlp->nlp_class_sup |= FC_COS_CLASS1;
279 if (sp->cls2.classValid)
280 ndlp->nlp_class_sup |= FC_COS_CLASS2;
281 if (sp->cls3.classValid)
282 ndlp->nlp_class_sup |= FC_COS_CLASS3;
283 if (sp->cls4.classValid)
284 ndlp->nlp_class_sup |= FC_COS_CLASS4;
285 ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
286 sp->cmn.bbRcvSizeLsb;
287 memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm));
288
289 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
290 if (!mbox)
291 goto fail;
292
293 phba->hba_state = LPFC_FABRIC_CFG_LINK;
294 lpfc_config_link(phba, mbox);
295 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
296
297 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
298 if (rc == MBX_NOT_FINISHED)
299 goto fail_free_mbox;
300
301 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
302 if (!mbox)
303 goto fail;
304
305 if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0))
306 goto fail_free_mbox;
307
308 /*
309 * set_slim mailbox command needs to execute first,
310 * queue this command to be processed later.
311 */
312 mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
313 mbox->context2 = ndlp;
314
315 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
316 if (rc == MBX_NOT_FINISHED)
317 goto fail_free_mbox;
318
319 return 0;
320
321 fail_free_mbox:
322 mempool_free(mbox, phba->mbox_mem_pool);
323 fail:
324 return -ENXIO;
325}
326
327/*
328 * We FLOGIed into an NPort, initiate pt2pt protocol
329 */
330static int
331lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
332 struct serv_parm *sp)
333{
334 LPFC_MBOXQ_t *mbox;
335 int rc;
336
337 spin_lock_irq(phba->host->host_lock);
338 phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
339 spin_unlock_irq(phba->host->host_lock);
340
341 phba->fc_edtov = FF_DEF_EDTOV;
342 phba->fc_ratov = FF_DEF_RATOV;
343 rc = memcmp(&phba->fc_portname, &sp->portName,
344 sizeof(struct lpfc_name));
345 if (rc >= 0) {
346 /* This side will initiate the PLOGI */
347 spin_lock_irq(phba->host->host_lock);
348 phba->fc_flag |= FC_PT2PT_PLOGI;
349 spin_unlock_irq(phba->host->host_lock);
350
351 /*
352 * N_Port ID cannot be 0, set our to LocalID the other
353 * side will be RemoteID.
354 */
355
356 /* not equal */
357 if (rc)
358 phba->fc_myDID = PT2PT_LocalID;
359
360 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
361 if (!mbox)
362 goto fail;
363
364 lpfc_config_link(phba, mbox);
365
366 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
367 rc = lpfc_sli_issue_mbox(phba, mbox,
368 MBX_NOWAIT | MBX_STOP_IOCB);
369 if (rc == MBX_NOT_FINISHED) {
370 mempool_free(mbox, phba->mbox_mem_pool);
371 goto fail;
372 }
373 mempool_free(ndlp, phba->nlp_mem_pool);
374
375 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID);
376 if (!ndlp) {
377 /*
378 * Cannot find existing Fabric ndlp, so allocate a
379 * new one
380 */
381 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
382 if (!ndlp)
383 goto fail;
384
385 lpfc_nlp_init(phba, ndlp, PT2PT_RemoteID);
386 }
387
388 memcpy(&ndlp->nlp_portname, &sp->portName,
389 sizeof(struct lpfc_name));
390 memcpy(&ndlp->nlp_nodename, &sp->nodeName,
391 sizeof(struct lpfc_name));
392 ndlp->nlp_state = NLP_STE_NPR_NODE;
393 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
394 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
395 } else {
396 /* This side will wait for the PLOGI */
397 mempool_free( ndlp, phba->nlp_mem_pool);
398 }
399
400 spin_lock_irq(phba->host->host_lock);
401 phba->fc_flag |= FC_PT2PT;
402 spin_unlock_irq(phba->host->host_lock);
403
404 /* Start discovery - this should just do CLEAR_LA */
405 lpfc_disc_start(phba);
406 return 0;
407 fail:
408 return -ENXIO;
409}
410
411static void
412lpfc_cmpl_els_flogi(struct lpfc_hba * phba,
413 struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb)
414{
415 IOCB_t *irsp = &rspiocb->iocb;
416 struct lpfc_nodelist *ndlp = cmdiocb->context1;
417 struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp;
418 struct serv_parm *sp;
419 int rc;
420
421 /* Check to see if link went down during discovery */
422 if (lpfc_els_chk_latt(phba)) {
423 lpfc_nlp_remove(phba, ndlp);
424 goto out;
425 }
426
427 if (irsp->ulpStatus) {
428 /* Check for retry */
429 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
430 /* ELS command is being retried */
431 goto out;
432 }
433 /* FLOGI failed, so there is no fabric */
434 spin_lock_irq(phba->host->host_lock);
435 phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
436 spin_unlock_irq(phba->host->host_lock);
437
438 /* If private loop, then allow max outstandting els to be
439 * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no
440 * alpa map would take too long otherwise.
441 */
442 if (phba->alpa_map[0] == 0) {
443 phba->cfg_discovery_threads =
444 LPFC_MAX_DISC_THREADS;
445 }
446
447 /* FLOGI failure */
448 lpfc_printf_log(phba,
449 KERN_INFO,
450 LOG_ELS,
451 "%d:0100 FLOGI failure Data: x%x x%x\n",
452 phba->brd_no,
453 irsp->ulpStatus, irsp->un.ulpWord[4]);
454 goto flogifail;
455 }
456
457 /*
458 * The FLogI succeeded. Sync the data for the CPU before
459 * accessing it.
460 */
461 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list);
462
463 sp = prsp->virt + sizeof(uint32_t);
464
465 /* FLOGI completes successfully */
466 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
467 "%d:0101 FLOGI completes sucessfully "
468 "Data: x%x x%x x%x x%x\n",
469 phba->brd_no,
470 irsp->un.ulpWord[4], sp->cmn.e_d_tov,
471 sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution);
472
473 if (phba->hba_state == LPFC_FLOGI) {
474 /*
475 * If Common Service Parameters indicate Nport
476 * we are point to point, if Fport we are Fabric.
477 */
478 if (sp->cmn.fPort)
479 rc = lpfc_cmpl_els_flogi_fabric(phba, ndlp, sp, irsp);
480 else
481 rc = lpfc_cmpl_els_flogi_nport(phba, ndlp, sp);
482
483 if (!rc)
484 goto out;
485 }
486
487flogifail:
488 lpfc_nlp_remove(phba, ndlp);
489
490 if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
491 (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED &&
492 irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) {
493 /* FLOGI failed, so just use loop map to make discovery list */
494 lpfc_disc_list_loopmap(phba);
495
496 /* Start discovery */
497 lpfc_disc_start(phba);
498 }
499
500out:
501 lpfc_els_free_iocb(phba, cmdiocb);
502}
503
504static int
505lpfc_issue_els_flogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
506 uint8_t retry)
507{
508 struct serv_parm *sp;
509 IOCB_t *icmd;
510 struct lpfc_iocbq *elsiocb;
511 struct lpfc_sli_ring *pring;
512 uint8_t *pcmd;
513 uint16_t cmdsize;
514 uint32_t tmo;
515 int rc;
516
517 pring = &phba->sli.ring[LPFC_ELS_RING];
518
519 cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm));
520 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
521 ndlp, ELS_CMD_FLOGI)) == 0) {
522 return (1);
523 }
524
525 icmd = &elsiocb->iocb;
526 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
527
528 /* For FLOGI request, remainder of payload is service parameters */
529 *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI;
530 pcmd += sizeof (uint32_t);
531 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
532 sp = (struct serv_parm *) pcmd;
533
534 /* Setup CSPs accordingly for Fabric */
535 sp->cmn.e_d_tov = 0;
536 sp->cmn.w2.r_a_tov = 0;
537 sp->cls1.classValid = 0;
538 sp->cls2.seqDelivery = 1;
539 sp->cls3.seqDelivery = 1;
540 if (sp->cmn.fcphLow < FC_PH3)
541 sp->cmn.fcphLow = FC_PH3;
542 if (sp->cmn.fcphHigh < FC_PH3)
543 sp->cmn.fcphHigh = FC_PH3;
544
545 tmo = phba->fc_ratov;
546 phba->fc_ratov = LPFC_DISC_FLOGI_TMO;
547 lpfc_set_disctmo(phba);
548 phba->fc_ratov = tmo;
549
550 phba->fc_stat.elsXmitFLOGI++;
551 elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi;
552 spin_lock_irq(phba->host->host_lock);
553 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
554 spin_unlock_irq(phba->host->host_lock);
555 if (rc == IOCB_ERROR) {
556 lpfc_els_free_iocb(phba, elsiocb);
557 return (1);
558 }
559 return (0);
560}
561
562int
563lpfc_els_abort_flogi(struct lpfc_hba * phba)
564{
565 struct lpfc_sli_ring *pring;
566 struct lpfc_iocbq *iocb, *next_iocb;
567 struct lpfc_nodelist *ndlp;
568 IOCB_t *icmd;
569
570 /* Abort outstanding I/O on NPort <nlp_DID> */
571 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
572 "%d:0201 Abort outstanding I/O on NPort x%x\n",
573 phba->brd_no, Fabric_DID);
574
575 pring = &phba->sli.ring[LPFC_ELS_RING];
576
577 /*
578 * Check the txcmplq for an iocb that matches the nport the driver is
579 * searching for.
580 */
581 spin_lock_irq(phba->host->host_lock);
582 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
583 icmd = &iocb->iocb;
584 if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) {
585 ndlp = (struct lpfc_nodelist *)(iocb->context1);
586 if (ndlp && (ndlp->nlp_DID == Fabric_DID)) {
587 list_del(&iocb->list);
588 pring->txcmplq_cnt--;
589
590 if ((icmd->un.elsreq64.bdl.ulpIoTag32)) {
591 lpfc_sli_issue_abort_iotag32
592 (phba, pring, iocb);
593 }
594 if (iocb->iocb_cmpl) {
595 icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
596 icmd->un.ulpWord[4] =
597 IOERR_SLI_ABORTED;
598 spin_unlock_irq(phba->host->host_lock);
599 (iocb->iocb_cmpl) (phba, iocb, iocb);
600 spin_lock_irq(phba->host->host_lock);
601 } else {
602 list_add_tail(&iocb->list,
603 &phba->lpfc_iocb_list);
604 }
605 }
606 }
607 }
608 spin_unlock_irq(phba->host->host_lock);
609
610 return 0;
611}
612
613int
614lpfc_initial_flogi(struct lpfc_hba * phba)
615{
616 struct lpfc_nodelist *ndlp;
617
618 /* First look for Fabric ndlp on the unmapped list */
619
620 if ((ndlp =
621 lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
622 Fabric_DID)) == 0) {
623 /* Cannot find existing Fabric ndlp, so allocate a new one */
624 if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
625 == 0) {
626 return (0);
627 }
628 lpfc_nlp_init(phba, ndlp, Fabric_DID);
629 }
630 else {
631 phba->fc_unmap_cnt--;
632 list_del(&ndlp->nlp_listp);
633 spin_lock_irq(phba->host->host_lock);
634 ndlp->nlp_flag &= ~NLP_LIST_MASK;
635 spin_unlock_irq(phba->host->host_lock);
636 }
637 if (lpfc_issue_els_flogi(phba, ndlp, 0)) {
638 mempool_free( ndlp, phba->nlp_mem_pool);
639 }
640 return (1);
641}
642
643static void
644lpfc_more_plogi(struct lpfc_hba * phba)
645{
646 int sentplogi;
647
648 if (phba->num_disc_nodes)
649 phba->num_disc_nodes--;
650
651 /* Continue discovery with <num_disc_nodes> PLOGIs to go */
652 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
653 "%d:0232 Continue discovery with %d PLOGIs to go "
654 "Data: x%x x%x x%x\n",
655 phba->brd_no, phba->num_disc_nodes, phba->fc_plogi_cnt,
656 phba->fc_flag, phba->hba_state);
657
658 /* Check to see if there are more PLOGIs to be sent */
659 if (phba->fc_flag & FC_NLP_MORE) {
660 /* go thru NPR list and issue any remaining ELS PLOGIs */
661 sentplogi = lpfc_els_disc_plogi(phba);
662 }
663 return;
664}
665
666static void
667lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
668 struct lpfc_iocbq * rspiocb)
669{
670 IOCB_t *irsp;
671 struct lpfc_sli *psli;
672 struct lpfc_nodelist *ndlp;
673 int disc, rc, did, type;
674
675 psli = &phba->sli;
676
677 /* we pass cmdiocb to state machine which needs rspiocb as well */
678 cmdiocb->context_un.rsp_iocb = rspiocb;
679
680 irsp = &rspiocb->iocb;
681 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
682 spin_lock_irq(phba->host->host_lock);
683 ndlp->nlp_flag &= ~NLP_PLOGI_SND;
684 spin_unlock_irq(phba->host->host_lock);
685
686 /* Since ndlp can be freed in the disc state machine, note if this node
687 * is being used during discovery.
688 */
689 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
690 rc = 0;
691
692 /* PLOGI completes to NPort <nlp_DID> */
693 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
694 "%d:0102 PLOGI completes to NPort x%x "
695 "Data: x%x x%x x%x x%x\n",
696 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
697 irsp->un.ulpWord[4], disc, phba->num_disc_nodes);
698
699 /* Check to see if link went down during discovery */
700 if (lpfc_els_chk_latt(phba)) {
701 spin_lock_irq(phba->host->host_lock);
702 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
703 spin_unlock_irq(phba->host->host_lock);
704 goto out;
705 }
706
707 /* ndlp could be freed in DSM, save these values now */
708 type = ndlp->nlp_type;
709 did = ndlp->nlp_DID;
710
711 if (irsp->ulpStatus) {
712 /* Check for retry */
713 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
714 /* ELS command is being retried */
715 if (disc) {
716 spin_lock_irq(phba->host->host_lock);
717 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
718 spin_unlock_irq(phba->host->host_lock);
719 }
720 goto out;
721 }
722
723 /* PLOGI failed */
724 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
725 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
726 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
727 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
728 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
729 }
730 else {
731 rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb,
732 NLP_EVT_CMPL_PLOGI);
733 }
734 } else {
735 /* Good status, call state machine */
736 rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb,
737 NLP_EVT_CMPL_PLOGI);
738 }
739
740 if (type & NLP_FABRIC) {
741 /* If we cannot login to Nameserver, kick off discovery now */
742 if ((did == NameServer_DID) && (rc == NLP_STE_FREED_NODE)) {
743 lpfc_disc_start(phba);
744 }
745 goto out;
746 }
747
748 if (disc && phba->num_disc_nodes) {
749 /* Check to see if there are more PLOGIs to be sent */
750 lpfc_more_plogi(phba);
751 }
752
753 if (rc != NLP_STE_FREED_NODE) {
754 spin_lock_irq(phba->host->host_lock);
755 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
756 spin_unlock_irq(phba->host->host_lock);
757 }
758
759 if (phba->num_disc_nodes == 0) {
760 if(disc) {
761 spin_lock_irq(phba->host->host_lock);
762 phba->fc_flag &= ~FC_NDISC_ACTIVE;
763 spin_unlock_irq(phba->host->host_lock);
764 }
765 lpfc_can_disctmo(phba);
766 if (phba->fc_flag & FC_RSCN_MODE) {
767 /* Check to see if more RSCNs came in while we were
768 * processing this one.
769 */
770 if ((phba->fc_rscn_id_cnt == 0) &&
771 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
772 spin_lock_irq(phba->host->host_lock);
773 phba->fc_flag &= ~FC_RSCN_MODE;
774 spin_unlock_irq(phba->host->host_lock);
775 } else {
776 lpfc_els_handle_rscn(phba);
777 }
778 }
779 }
780
781out:
782 lpfc_els_free_iocb(phba, cmdiocb);
783 return;
784}
785
786int
787lpfc_issue_els_plogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
788 uint8_t retry)
789{
790 struct serv_parm *sp;
791 IOCB_t *icmd;
792 struct lpfc_iocbq *elsiocb;
793 struct lpfc_sli_ring *pring;
794 struct lpfc_sli *psli;
795 uint8_t *pcmd;
796 uint16_t cmdsize;
797
798 psli = &phba->sli;
799 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
800
801 cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm));
802 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
803 ndlp, ELS_CMD_PLOGI)) == 0) {
804 return (1);
805 }
806
807 icmd = &elsiocb->iocb;
808 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
809
810 /* For PLOGI request, remainder of payload is service parameters */
811 *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI;
812 pcmd += sizeof (uint32_t);
813 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
814 sp = (struct serv_parm *) pcmd;
815
816 if (sp->cmn.fcphLow < FC_PH_4_3)
817 sp->cmn.fcphLow = FC_PH_4_3;
818
819 if (sp->cmn.fcphHigh < FC_PH3)
820 sp->cmn.fcphHigh = FC_PH3;
821
822 phba->fc_stat.elsXmitPLOGI++;
823 elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi;
824 spin_lock_irq(phba->host->host_lock);
825 ndlp->nlp_flag |= NLP_PLOGI_SND;
826 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
827 ndlp->nlp_flag &= ~NLP_PLOGI_SND;
828 spin_unlock_irq(phba->host->host_lock);
829 lpfc_els_free_iocb(phba, elsiocb);
830 return (1);
831 }
832 spin_unlock_irq(phba->host->host_lock);
833 return (0);
834}
835
836static void
837lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
838 struct lpfc_iocbq * rspiocb)
839{
840 IOCB_t *irsp;
841 struct lpfc_sli *psli;
842 struct lpfc_nodelist *ndlp;
843
844 psli = &phba->sli;
845 /* we pass cmdiocb to state machine which needs rspiocb as well */
846 cmdiocb->context_un.rsp_iocb = rspiocb;
847
848 irsp = &(rspiocb->iocb);
849 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
850 spin_lock_irq(phba->host->host_lock);
851 ndlp->nlp_flag &= ~NLP_PRLI_SND;
852 spin_unlock_irq(phba->host->host_lock);
853
854 /* PRLI completes to NPort <nlp_DID> */
855 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
856 "%d:0103 PRLI completes to NPort x%x "
857 "Data: x%x x%x x%x\n",
858 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
859 irsp->un.ulpWord[4], phba->num_disc_nodes);
860
861 phba->fc_prli_sent--;
862 /* Check to see if link went down during discovery */
863 if (lpfc_els_chk_latt(phba))
864 goto out;
865
866 if (irsp->ulpStatus) {
867 /* Check for retry */
868 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
869 /* ELS command is being retried */
870 goto out;
871 }
872 /* PRLI failed */
873 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
874 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
875 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
876 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
877 goto out;
878 }
879 else {
880 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
881 NLP_EVT_CMPL_PRLI);
882 }
883 } else {
884 /* Good status, call state machine */
885 lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI);
886 }
887
888out:
889 lpfc_els_free_iocb(phba, cmdiocb);
890 return;
891}
892
893int
894lpfc_issue_els_prli(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
895 uint8_t retry)
896{
897 PRLI *npr;
898 IOCB_t *icmd;
899 struct lpfc_iocbq *elsiocb;
900 struct lpfc_sli_ring *pring;
901 struct lpfc_sli *psli;
902 uint8_t *pcmd;
903 uint16_t cmdsize;
904
905 psli = &phba->sli;
906 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
907
908 cmdsize = (sizeof (uint32_t) + sizeof (PRLI));
909 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
910 ndlp, ELS_CMD_PRLI)) == 0) {
911 return (1);
912 }
913
914 icmd = &elsiocb->iocb;
915 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
916
917 /* For PRLI request, remainder of payload is service parameters */
918 memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t)));
919 *((uint32_t *) (pcmd)) = ELS_CMD_PRLI;
920 pcmd += sizeof (uint32_t);
921
922 /* For PRLI, remainder of payload is PRLI parameter page */
923 npr = (PRLI *) pcmd;
924 /*
925 * If our firmware version is 3.20 or later,
926 * set the following bits for FC-TAPE support.
927 */
928 if (phba->vpd.rev.feaLevelHigh >= 0x02) {
929 npr->ConfmComplAllowed = 1;
930 npr->Retry = 1;
931 npr->TaskRetryIdReq = 1;
932 }
933 npr->estabImagePair = 1;
934 npr->readXferRdyDis = 1;
935
936 /* For FCP support */
937 npr->prliType = PRLI_FCP_TYPE;
938 npr->initiatorFunc = 1;
939
940 phba->fc_stat.elsXmitPRLI++;
941 elsiocb->iocb_cmpl = lpfc_cmpl_els_prli;
942 spin_lock_irq(phba->host->host_lock);
943 ndlp->nlp_flag |= NLP_PRLI_SND;
944 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
945 ndlp->nlp_flag &= ~NLP_PRLI_SND;
946 spin_unlock_irq(phba->host->host_lock);
947 lpfc_els_free_iocb(phba, elsiocb);
948 return (1);
949 }
950 spin_unlock_irq(phba->host->host_lock);
951 phba->fc_prli_sent++;
952 return (0);
953}
954
955static void
956lpfc_more_adisc(struct lpfc_hba * phba)
957{
958 int sentadisc;
959
960 if (phba->num_disc_nodes)
961 phba->num_disc_nodes--;
962
963 /* Continue discovery with <num_disc_nodes> ADISCs to go */
964 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
965 "%d:0210 Continue discovery with %d ADISCs to go "
966 "Data: x%x x%x x%x\n",
967 phba->brd_no, phba->num_disc_nodes, phba->fc_adisc_cnt,
968 phba->fc_flag, phba->hba_state);
969
970 /* Check to see if there are more ADISCs to be sent */
971 if (phba->fc_flag & FC_NLP_MORE) {
972 lpfc_set_disctmo(phba);
973
974 /* go thru NPR list and issue any remaining ELS ADISCs */
975 sentadisc = lpfc_els_disc_adisc(phba);
976 }
977 return;
978}
979
980static void
981lpfc_rscn_disc(struct lpfc_hba * phba)
982{
983 /* RSCN discovery */
984 /* go thru NPR list and issue ELS PLOGIs */
985 if (phba->fc_npr_cnt) {
986 if (lpfc_els_disc_plogi(phba))
987 return;
988 }
989 if (phba->fc_flag & FC_RSCN_MODE) {
990 /* Check to see if more RSCNs came in while we were
991 * processing this one.
992 */
993 if ((phba->fc_rscn_id_cnt == 0) &&
994 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
995 spin_lock_irq(phba->host->host_lock);
996 phba->fc_flag &= ~FC_RSCN_MODE;
997 spin_unlock_irq(phba->host->host_lock);
998 } else {
999 lpfc_els_handle_rscn(phba);
1000 }
1001 }
1002}
1003
1004static void
1005lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1006 struct lpfc_iocbq * rspiocb)
1007{
1008 IOCB_t *irsp;
1009 struct lpfc_sli *psli;
1010 struct lpfc_nodelist *ndlp;
1011 LPFC_MBOXQ_t *mbox;
1012 int disc, rc;
1013
1014 psli = &phba->sli;
1015
1016 /* we pass cmdiocb to state machine which needs rspiocb as well */
1017 cmdiocb->context_un.rsp_iocb = rspiocb;
1018
1019 irsp = &(rspiocb->iocb);
1020 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1021 spin_lock_irq(phba->host->host_lock);
1022 ndlp->nlp_flag &= ~NLP_ADISC_SND;
1023 spin_unlock_irq(phba->host->host_lock);
1024
1025 /* Since ndlp can be freed in the disc state machine, note if this node
1026 * is being used during discovery.
1027 */
1028 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
1029
1030 /* ADISC completes to NPort <nlp_DID> */
1031 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1032 "%d:0104 ADISC completes to NPort x%x "
1033 "Data: x%x x%x x%x x%x\n",
1034 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
1035 irsp->un.ulpWord[4], disc, phba->num_disc_nodes);
1036
1037 /* Check to see if link went down during discovery */
1038 if (lpfc_els_chk_latt(phba)) {
1039 spin_lock_irq(phba->host->host_lock);
1040 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1041 spin_unlock_irq(phba->host->host_lock);
1042 goto out;
1043 }
1044
1045 if (irsp->ulpStatus) {
1046 /* Check for retry */
1047 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
1048 /* ELS command is being retried */
1049 if (disc) {
1050 spin_lock_irq(phba->host->host_lock);
1051 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1052 spin_unlock_irq(phba->host->host_lock);
1053 lpfc_set_disctmo(phba);
1054 }
1055 goto out;
1056 }
1057 /* ADISC failed */
1058 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1059 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1060 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
1061 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
1062 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
1063 }
1064 else {
1065 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
1066 NLP_EVT_CMPL_ADISC);
1067 }
1068 } else {
1069 /* Good status, call state machine */
1070 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
1071 NLP_EVT_CMPL_ADISC);
1072 }
1073
1074 if (disc && phba->num_disc_nodes) {
1075 /* Check to see if there are more ADISCs to be sent */
1076 lpfc_more_adisc(phba);
1077
1078 /* Check to see if we are done with ADISC authentication */
1079 if (phba->num_disc_nodes == 0) {
1080 lpfc_can_disctmo(phba);
1081 /* If we get here, there is nothing left to wait for */
1082 if ((phba->hba_state < LPFC_HBA_READY) &&
1083 (phba->hba_state != LPFC_CLEAR_LA)) {
1084 /* Link up discovery */
1085 if ((mbox = mempool_alloc(phba->mbox_mem_pool,
1086 GFP_KERNEL))) {
1087 phba->hba_state = LPFC_CLEAR_LA;
1088 lpfc_clear_la(phba, mbox);
1089 mbox->mbox_cmpl =
1090 lpfc_mbx_cmpl_clear_la;
1091 rc = lpfc_sli_issue_mbox
1092 (phba, mbox,
1093 (MBX_NOWAIT | MBX_STOP_IOCB));
1094 if (rc == MBX_NOT_FINISHED) {
1095 mempool_free(mbox,
1096 phba->mbox_mem_pool);
1097 lpfc_disc_flush_list(phba);
1098 psli->ring[(psli->ip_ring)].
1099 flag &=
1100 ~LPFC_STOP_IOCB_EVENT;
1101 psli->ring[(psli->fcp_ring)].
1102 flag &=
1103 ~LPFC_STOP_IOCB_EVENT;
1104 psli->ring[(psli->next_ring)].
1105 flag &=
1106 ~LPFC_STOP_IOCB_EVENT;
1107 phba->hba_state =
1108 LPFC_HBA_READY;
1109 }
1110 }
1111 } else {
1112 lpfc_rscn_disc(phba);
1113 }
1114 }
1115 }
1116 spin_lock_irq(phba->host->host_lock);
1117 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1118 spin_unlock_irq(phba->host->host_lock);
1119out:
1120 lpfc_els_free_iocb(phba, cmdiocb);
1121 return;
1122}
1123
1124int
1125lpfc_issue_els_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
1126 uint8_t retry)
1127{
1128 ADISC *ap;
1129 IOCB_t *icmd;
1130 struct lpfc_iocbq *elsiocb;
1131 struct lpfc_sli_ring *pring;
1132 struct lpfc_sli *psli;
1133 uint8_t *pcmd;
1134 uint16_t cmdsize;
1135
1136 psli = &phba->sli;
1137 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1138
1139 cmdsize = (sizeof (uint32_t) + sizeof (ADISC));
1140 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1141 ndlp, ELS_CMD_ADISC)) == 0) {
1142 return (1);
1143 }
1144
1145 icmd = &elsiocb->iocb;
1146 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1147
1148 /* For ADISC request, remainder of payload is service parameters */
1149 *((uint32_t *) (pcmd)) = ELS_CMD_ADISC;
1150 pcmd += sizeof (uint32_t);
1151
1152 /* Fill in ADISC payload */
1153 ap = (ADISC *) pcmd;
1154 ap->hardAL_PA = phba->fc_pref_ALPA;
1155 memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name));
1156 memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
1157 ap->DID = be32_to_cpu(phba->fc_myDID);
1158
1159 phba->fc_stat.elsXmitADISC++;
1160 elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc;
1161 spin_lock_irq(phba->host->host_lock);
1162 ndlp->nlp_flag |= NLP_ADISC_SND;
1163 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1164 ndlp->nlp_flag &= ~NLP_ADISC_SND;
1165 spin_unlock_irq(phba->host->host_lock);
1166 lpfc_els_free_iocb(phba, elsiocb);
1167 return (1);
1168 }
1169 spin_unlock_irq(phba->host->host_lock);
1170 return (0);
1171}
1172
1173static void
1174lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1175 struct lpfc_iocbq * rspiocb)
1176{
1177 IOCB_t *irsp;
1178 struct lpfc_sli *psli;
1179 struct lpfc_nodelist *ndlp;
1180
1181 psli = &phba->sli;
1182 /* we pass cmdiocb to state machine which needs rspiocb as well */
1183 cmdiocb->context_un.rsp_iocb = rspiocb;
1184
1185 irsp = &(rspiocb->iocb);
1186 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1187 spin_lock_irq(phba->host->host_lock);
1188 ndlp->nlp_flag &= ~NLP_LOGO_SND;
1189 spin_unlock_irq(phba->host->host_lock);
1190
1191 /* LOGO completes to NPort <nlp_DID> */
1192 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1193 "%d:0105 LOGO completes to NPort x%x "
1194 "Data: x%x x%x x%x\n",
1195 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
1196 irsp->un.ulpWord[4], phba->num_disc_nodes);
1197
1198 /* Check to see if link went down during discovery */
1199 if (lpfc_els_chk_latt(phba))
1200 goto out;
1201
1202 if (irsp->ulpStatus) {
1203 /* Check for retry */
1204 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
1205 /* ELS command is being retried */
1206 goto out;
1207 }
1208 /* LOGO failed */
1209 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1210 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1211 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
1212 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
1213 goto out;
1214 }
1215 else {
1216 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
1217 NLP_EVT_CMPL_LOGO);
1218 }
1219 } else {
1220 /* Good status, call state machine */
1221 lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO);
1222
1223 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1224 lpfc_unreg_rpi(phba, ndlp);
1225 }
1226 }
1227
1228out:
1229 lpfc_els_free_iocb(phba, cmdiocb);
1230 return;
1231}
1232
1233int
1234lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
1235 uint8_t retry)
1236{
1237 IOCB_t *icmd;
1238 struct lpfc_iocbq *elsiocb;
1239 struct lpfc_sli_ring *pring;
1240 struct lpfc_sli *psli;
1241 uint8_t *pcmd;
1242 uint16_t cmdsize;
1243
1244 psli = &phba->sli;
1245 pring = &psli->ring[LPFC_ELS_RING];
1246
1247 cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name));
1248 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1249 ndlp, ELS_CMD_LOGO)) == 0) {
1250 return (1);
1251 }
1252
1253 icmd = &elsiocb->iocb;
1254 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1255 *((uint32_t *) (pcmd)) = ELS_CMD_LOGO;
1256 pcmd += sizeof (uint32_t);
1257
1258 /* Fill in LOGO payload */
1259 *((uint32_t *) (pcmd)) = be32_to_cpu(phba->fc_myDID);
1260 pcmd += sizeof (uint32_t);
1261 memcpy(pcmd, &phba->fc_portname, sizeof (struct lpfc_name));
1262
1263 phba->fc_stat.elsXmitLOGO++;
1264 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo;
1265 spin_lock_irq(phba->host->host_lock);
1266 ndlp->nlp_flag |= NLP_LOGO_SND;
1267 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1268 ndlp->nlp_flag &= ~NLP_LOGO_SND;
1269 spin_unlock_irq(phba->host->host_lock);
1270 lpfc_els_free_iocb(phba, elsiocb);
1271 return (1);
1272 }
1273 spin_unlock_irq(phba->host->host_lock);
1274 return (0);
1275}
1276
1277static void
1278lpfc_cmpl_els_cmd(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1279 struct lpfc_iocbq * rspiocb)
1280{
1281 IOCB_t *irsp;
1282
1283 irsp = &rspiocb->iocb;
1284
1285 /* ELS cmd tag <ulpIoTag> completes */
1286 lpfc_printf_log(phba,
1287 KERN_INFO,
1288 LOG_ELS,
1289 "%d:0106 ELS cmd tag x%x completes Data: x%x x%x\n",
1290 phba->brd_no,
1291 irsp->ulpIoTag, irsp->ulpStatus, irsp->un.ulpWord[4]);
1292
1293 /* Check to see if link went down during discovery */
1294 lpfc_els_chk_latt(phba);
1295 lpfc_els_free_iocb(phba, cmdiocb);
1296 return;
1297}
1298
1299int
1300lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry)
1301{
1302 IOCB_t *icmd;
1303 struct lpfc_iocbq *elsiocb;
1304 struct lpfc_sli_ring *pring;
1305 struct lpfc_sli *psli;
1306 uint8_t *pcmd;
1307 uint16_t cmdsize;
1308 struct lpfc_nodelist *ndlp;
1309
1310 psli = &phba->sli;
1311 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1312 cmdsize = (sizeof (uint32_t) + sizeof (SCR));
1313 if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) == 0) {
1314 return (1);
1315 }
1316
1317 lpfc_nlp_init(phba, ndlp, nportid);
1318
1319 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1320 ndlp, ELS_CMD_SCR)) == 0) {
1321 mempool_free( ndlp, phba->nlp_mem_pool);
1322 return (1);
1323 }
1324
1325 icmd = &elsiocb->iocb;
1326 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1327
1328 *((uint32_t *) (pcmd)) = ELS_CMD_SCR;
1329 pcmd += sizeof (uint32_t);
1330
1331 /* For SCR, remainder of payload is SCR parameter page */
1332 memset(pcmd, 0, sizeof (SCR));
1333 ((SCR *) pcmd)->Function = SCR_FUNC_FULL;
1334
1335 phba->fc_stat.elsXmitSCR++;
1336 elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd;
1337 spin_lock_irq(phba->host->host_lock);
1338 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1339 spin_unlock_irq(phba->host->host_lock);
1340 mempool_free( ndlp, phba->nlp_mem_pool);
1341 lpfc_els_free_iocb(phba, elsiocb);
1342 return (1);
1343 }
1344 spin_unlock_irq(phba->host->host_lock);
1345 mempool_free( ndlp, phba->nlp_mem_pool);
1346 return (0);
1347}
1348
1349static int
1350lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry)
1351{
1352 IOCB_t *icmd;
1353 struct lpfc_iocbq *elsiocb;
1354 struct lpfc_sli_ring *pring;
1355 struct lpfc_sli *psli;
1356 FARP *fp;
1357 uint8_t *pcmd;
1358 uint32_t *lp;
1359 uint16_t cmdsize;
1360 struct lpfc_nodelist *ondlp;
1361 struct lpfc_nodelist *ndlp;
1362
1363 psli = &phba->sli;
1364 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1365 cmdsize = (sizeof (uint32_t) + sizeof (FARP));
1366 if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) == 0) {
1367 return (1);
1368 }
1369 lpfc_nlp_init(phba, ndlp, nportid);
1370
1371 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1372 ndlp, ELS_CMD_RNID)) == 0) {
1373 mempool_free( ndlp, phba->nlp_mem_pool);
1374 return (1);
1375 }
1376
1377 icmd = &elsiocb->iocb;
1378 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1379
1380 *((uint32_t *) (pcmd)) = ELS_CMD_FARPR;
1381 pcmd += sizeof (uint32_t);
1382
1383 /* Fill in FARPR payload */
1384 fp = (FARP *) (pcmd);
1385 memset(fp, 0, sizeof (FARP));
1386 lp = (uint32_t *) pcmd;
1387 *lp++ = be32_to_cpu(nportid);
1388 *lp++ = be32_to_cpu(phba->fc_myDID);
1389 fp->Rflags = 0;
1390 fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE);
1391
1392 memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name));
1393 memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
1394 if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) {
1395 memcpy(&fp->OportName, &ondlp->nlp_portname,
1396 sizeof (struct lpfc_name));
1397 memcpy(&fp->OnodeName, &ondlp->nlp_nodename,
1398 sizeof (struct lpfc_name));
1399 }
1400
1401 phba->fc_stat.elsXmitFARPR++;
1402 elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd;
1403 spin_lock_irq(phba->host->host_lock);
1404 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1405 spin_unlock_irq(phba->host->host_lock);
1406 mempool_free( ndlp, phba->nlp_mem_pool);
1407 lpfc_els_free_iocb(phba, elsiocb);
1408 return (1);
1409 }
1410 spin_unlock_irq(phba->host->host_lock);
1411 mempool_free( ndlp, phba->nlp_mem_pool);
1412 return (0);
1413}
1414
1415void
1416lpfc_els_retry_delay(unsigned long ptr)
1417{
1418 struct lpfc_nodelist *ndlp;
1419 struct lpfc_hba *phba;
1420 unsigned long iflag;
1421 struct lpfc_work_evt *evtp;
1422
1423 ndlp = (struct lpfc_nodelist *)ptr;
1424 phba = ndlp->nlp_phba;
1425 evtp = &ndlp->els_retry_evt;
1426
1427 spin_lock_irqsave(phba->host->host_lock, iflag);
1428 if (!list_empty(&evtp->evt_listp)) {
1429 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1430 return;
1431 }
1432
1433 evtp->evt_arg1 = ndlp;
1434 evtp->evt = LPFC_EVT_ELS_RETRY;
1435 list_add_tail(&evtp->evt_listp, &phba->work_list);
1436 if (phba->work_wait)
1437 wake_up(phba->work_wait);
1438
1439 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1440 return;
1441}
1442
1443void
1444lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
1445{
1446 struct lpfc_hba *phba;
1447 uint32_t cmd;
1448 uint32_t did;
1449 uint8_t retry;
1450
1451 phba = ndlp->nlp_phba;
1452 spin_lock_irq(phba->host->host_lock);
1453 did = (uint32_t) (ndlp->nlp_DID);
1454 cmd = (uint32_t) (ndlp->nlp_last_elscmd);
1455
1456 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1457 spin_unlock_irq(phba->host->host_lock);
1458 return;
1459 }
1460
1461 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1462 spin_unlock_irq(phba->host->host_lock);
1463 retry = ndlp->nlp_retry;
1464
1465 switch (cmd) {
1466 case ELS_CMD_FLOGI:
1467 lpfc_issue_els_flogi(phba, ndlp, retry);
1468 break;
1469 case ELS_CMD_PLOGI:
1470 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1471 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1472 lpfc_issue_els_plogi(phba, ndlp, retry);
1473 break;
1474 case ELS_CMD_ADISC:
1475 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
1476 lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST);
1477 lpfc_issue_els_adisc(phba, ndlp, retry);
1478 break;
1479 case ELS_CMD_PRLI:
1480 ndlp->nlp_state = NLP_STE_PRLI_ISSUE;
1481 lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST);
1482 lpfc_issue_els_prli(phba, ndlp, retry);
1483 break;
1484 case ELS_CMD_LOGO:
1485 ndlp->nlp_state = NLP_STE_NPR_NODE;
1486 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1487 lpfc_issue_els_logo(phba, ndlp, retry);
1488 break;
1489 }
1490 return;
1491}
1492
1493static int
1494lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1495 struct lpfc_iocbq * rspiocb)
1496{
1497 IOCB_t *irsp;
1498 struct lpfc_dmabuf *pcmd;
1499 struct lpfc_nodelist *ndlp;
1500 uint32_t *elscmd;
1501 struct ls_rjt stat;
1502 int retry, maxretry;
1503 int delay;
1504 uint32_t cmd;
1505
1506 retry = 0;
1507 delay = 0;
1508 maxretry = lpfc_max_els_tries;
1509 irsp = &rspiocb->iocb;
1510 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1511 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
1512 cmd = 0;
1513 /* Note: context2 may be 0 for internal driver abort
1514 * of delays ELS command.
1515 */
1516
1517 if (pcmd && pcmd->virt) {
1518 elscmd = (uint32_t *) (pcmd->virt);
1519 cmd = *elscmd++;
1520 }
1521
1522 switch (irsp->ulpStatus) {
1523 case IOSTAT_FCP_RSP_ERROR:
1524 case IOSTAT_REMOTE_STOP:
1525 break;
1526
1527 case IOSTAT_LOCAL_REJECT:
1528 switch ((irsp->un.ulpWord[4] & 0xff)) {
1529 case IOERR_LOOP_OPEN_FAILURE:
1530 if (cmd == ELS_CMD_PLOGI) {
1531 if (cmdiocb->retry == 0) {
1532 delay = 1;
1533 }
1534 }
1535 retry = 1;
1536 break;
1537
1538 case IOERR_SEQUENCE_TIMEOUT:
1539 retry = 1;
1540 if ((cmd == ELS_CMD_FLOGI)
1541 && (phba->fc_topology != TOPOLOGY_LOOP)) {
1542 delay = 1;
1543 maxretry = 48;
1544 }
1545 break;
1546
1547 case IOERR_NO_RESOURCES:
1548 if (cmd == ELS_CMD_PLOGI) {
1549 delay = 1;
1550 }
1551 retry = 1;
1552 break;
1553
1554 case IOERR_INVALID_RPI:
1555 retry = 1;
1556 break;
1557 }
1558 break;
1559
1560 case IOSTAT_NPORT_RJT:
1561 case IOSTAT_FABRIC_RJT:
1562 if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) {
1563 retry = 1;
1564 break;
1565 }
1566 break;
1567
1568 case IOSTAT_NPORT_BSY:
1569 case IOSTAT_FABRIC_BSY:
1570 retry = 1;
1571 break;
1572
1573 case IOSTAT_LS_RJT:
1574 stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]);
1575 /* Added for Vendor specifc support
1576 * Just keep retrying for these Rsn / Exp codes
1577 */
1578 switch (stat.un.b.lsRjtRsnCode) {
1579 case LSRJT_UNABLE_TPC:
1580 if (stat.un.b.lsRjtRsnCodeExp ==
1581 LSEXP_CMD_IN_PROGRESS) {
1582 if (cmd == ELS_CMD_PLOGI) {
1583 delay = 1;
1584 maxretry = 48;
1585 }
1586 retry = 1;
1587 break;
1588 }
1589 if (cmd == ELS_CMD_PLOGI) {
1590 delay = 1;
1591 maxretry = lpfc_max_els_tries + 1;
1592 retry = 1;
1593 break;
1594 }
1595 break;
1596
1597 case LSRJT_LOGICAL_BSY:
1598 if (cmd == ELS_CMD_PLOGI) {
1599 delay = 1;
1600 maxretry = 48;
1601 }
1602 retry = 1;
1603 break;
1604 }
1605 break;
1606
1607 case IOSTAT_INTERMED_RSP:
1608 case IOSTAT_BA_RJT:
1609 break;
1610
1611 default:
1612 break;
1613 }
1614
1615 if (ndlp->nlp_DID == FDMI_DID) {
1616 retry = 1;
1617 }
1618
1619 if ((++cmdiocb->retry) >= maxretry) {
1620 phba->fc_stat.elsRetryExceeded++;
1621 retry = 0;
1622 }
1623
1624 if (retry) {
1625
1626 /* Retry ELS command <elsCmd> to remote NPORT <did> */
1627 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1628 "%d:0107 Retry ELS command x%x to remote "
1629 "NPORT x%x Data: x%x x%x\n",
1630 phba->brd_no,
1631 cmd, ndlp->nlp_DID, cmdiocb->retry, delay);
1632
1633 if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) {
1634 /* If discovery / RSCN timer is running, reset it */
1635 if (timer_pending(&phba->fc_disctmo) ||
1636 (phba->fc_flag & FC_RSCN_MODE)) {
1637 lpfc_set_disctmo(phba);
1638 }
1639 }
1640
1641 phba->fc_stat.elsXmitRetry++;
1642 if (delay) {
1643 phba->fc_stat.elsDelayRetry++;
1644 ndlp->nlp_retry = cmdiocb->retry;
1645
1646 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
1647 ndlp->nlp_flag |= NLP_DELAY_TMO;
1648
1649 ndlp->nlp_state = NLP_STE_NPR_NODE;
1650 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1651 ndlp->nlp_last_elscmd = cmd;
1652
1653 return (1);
1654 }
1655 switch (cmd) {
1656 case ELS_CMD_FLOGI:
1657 lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry);
1658 return (1);
1659 case ELS_CMD_PLOGI:
1660 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1661 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1662 lpfc_issue_els_plogi(phba, ndlp, cmdiocb->retry);
1663 return (1);
1664 case ELS_CMD_ADISC:
1665 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
1666 lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST);
1667 lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry);
1668 return (1);
1669 case ELS_CMD_PRLI:
1670 ndlp->nlp_state = NLP_STE_PRLI_ISSUE;
1671 lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST);
1672 lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry);
1673 return (1);
1674 case ELS_CMD_LOGO:
1675 ndlp->nlp_state = NLP_STE_NPR_NODE;
1676 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1677 lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry);
1678 return (1);
1679 }
1680 }
1681
1682 /* No retry ELS command <elsCmd> to remote NPORT <did> */
1683 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1684 "%d:0108 No retry ELS command x%x to remote NPORT x%x "
1685 "Data: x%x x%x\n",
1686 phba->brd_no,
1687 cmd, ndlp->nlp_DID, cmdiocb->retry, ndlp->nlp_flag);
1688
1689 return (0);
1690}
1691
1692int
1693lpfc_els_free_iocb(struct lpfc_hba * phba, struct lpfc_iocbq * elsiocb)
1694{
1695 struct lpfc_dmabuf *buf_ptr, *buf_ptr1;
1696
1697 /* context2 = cmd, context2->next = rsp, context3 = bpl */
1698 if (elsiocb->context2) {
1699 buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2;
1700 /* Free the response before processing the command. */
1701 if (!list_empty(&buf_ptr1->list)) {
1702 list_remove_head(&buf_ptr1->list, buf_ptr,
1703 struct lpfc_dmabuf,
1704 list);
1705 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1706 kfree(buf_ptr);
1707 }
1708 lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys);
1709 kfree(buf_ptr1);
1710 }
1711
1712 if (elsiocb->context3) {
1713 buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3;
1714 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1715 kfree(buf_ptr);
1716 }
1717 spin_lock_irq(phba->host->host_lock);
1718 list_add_tail(&elsiocb->list, &phba->lpfc_iocb_list);
1719 spin_unlock_irq(phba->host->host_lock);
1720 return 0;
1721}
1722
1723static void
1724lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1725 struct lpfc_iocbq * rspiocb)
1726{
1727 struct lpfc_nodelist *ndlp;
1728
1729 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1730
1731 /* ACC to LOGO completes to NPort <nlp_DID> */
1732 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1733 "%d:0109 ACC to LOGO completes to NPort x%x "
1734 "Data: x%x x%x x%x\n",
1735 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1736 ndlp->nlp_state, ndlp->nlp_rpi);
1737
1738 spin_lock_irq(phba->host->host_lock);
1739 ndlp->nlp_flag &= ~NLP_LOGO_ACC;
1740 spin_unlock_irq(phba->host->host_lock);
1741
1742 switch (ndlp->nlp_state) {
1743 case NLP_STE_UNUSED_NODE: /* node is just allocated */
1744 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1745 break;
1746 case NLP_STE_NPR_NODE: /* NPort Recovery mode */
1747 lpfc_unreg_rpi(phba, ndlp);
1748 break;
1749 default:
1750 break;
1751 }
1752 lpfc_els_free_iocb(phba, cmdiocb);
1753 return;
1754}
1755
1756static void
1757lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1758 struct lpfc_iocbq * rspiocb)
1759{
1760 struct lpfc_nodelist *ndlp;
1761 LPFC_MBOXQ_t *mbox = NULL;
1762
1763 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1764 if (cmdiocb->context_un.mbox)
1765 mbox = cmdiocb->context_un.mbox;
1766
1767
1768 /* Check to see if link went down during discovery */
1769 if ((lpfc_els_chk_latt(phba)) || !ndlp) {
1770 if (mbox) {
1771 mempool_free( mbox, phba->mbox_mem_pool);
1772 }
1773 goto out;
1774 }
1775
1776 /* ELS response tag <ulpIoTag> completes */
1777 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1778 "%d:0110 ELS response tag x%x completes "
1779 "Data: x%x x%x x%x x%x x%x x%x\n",
1780 phba->brd_no,
1781 cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus,
1782 rspiocb->iocb.un.ulpWord[4], ndlp->nlp_DID,
1783 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1784
1785 if (mbox) {
1786 if ((rspiocb->iocb.ulpStatus == 0)
1787 && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
1788 /* set_slim mailbox command needs to execute first,
1789 * queue this command to be processed later.
1790 */
1791 lpfc_unreg_rpi(phba, ndlp);
1792 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
1793 mbox->context2 = ndlp;
1794 ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE;
1795 lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST);
1796 if (lpfc_sli_issue_mbox(phba, mbox,
1797 (MBX_NOWAIT | MBX_STOP_IOCB))
1798 != MBX_NOT_FINISHED) {
1799 goto out;
1800 }
1801 /* NOTE: we should have messages for unsuccessful
1802 reglogin */
1803 mempool_free( mbox, phba->mbox_mem_pool);
1804 } else {
1805 mempool_free( mbox, phba->mbox_mem_pool);
1806 if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
1807 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1808 }
1809 }
1810 }
1811out:
1812 if (ndlp) {
1813 spin_lock_irq(phba->host->host_lock);
1814 ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN;
1815 spin_unlock_irq(phba->host->host_lock);
1816 }
1817 lpfc_els_free_iocb(phba, cmdiocb);
1818 return;
1819}
1820
1821int
1822lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
1823 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp,
1824 LPFC_MBOXQ_t * mbox, uint8_t newnode)
1825{
1826 IOCB_t *icmd;
1827 IOCB_t *oldcmd;
1828 struct lpfc_iocbq *elsiocb;
1829 struct lpfc_sli_ring *pring;
1830 struct lpfc_sli *psli;
1831 uint8_t *pcmd;
1832 uint16_t cmdsize;
1833 int rc;
1834
1835 psli = &phba->sli;
1836 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1837 oldcmd = &oldiocb->iocb;
1838
1839 switch (flag) {
1840 case ELS_CMD_ACC:
1841 cmdsize = sizeof (uint32_t);
1842 if ((elsiocb =
1843 lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1844 ndlp, ELS_CMD_ACC)) == 0) {
1845 return (1);
1846 }
1847 icmd = &elsiocb->iocb;
1848 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1849 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1850 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
1851 pcmd += sizeof (uint32_t);
1852 break;
1853 case ELS_CMD_PLOGI:
1854 cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t));
1855 if ((elsiocb =
1856 lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1857 ndlp, ELS_CMD_ACC)) == 0) {
1858 return (1);
1859 }
1860 icmd = &elsiocb->iocb;
1861 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1862 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1863
1864 if (mbox)
1865 elsiocb->context_un.mbox = mbox;
1866
1867 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
1868 pcmd += sizeof (uint32_t);
1869 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
1870 break;
1871 default:
1872 return (1);
1873 }
1874
1875 if (newnode)
1876 elsiocb->context1 = NULL;
1877
1878 /* Xmit ELS ACC response tag <ulpIoTag> */
1879 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1880 "%d:0128 Xmit ELS ACC response tag x%x "
1881 "Data: x%x x%x x%x x%x x%x\n",
1882 phba->brd_no,
1883 elsiocb->iocb.ulpIoTag,
1884 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
1885 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1886
1887 if (ndlp->nlp_flag & NLP_LOGO_ACC) {
1888 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc;
1889 } else {
1890 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
1891 }
1892
1893 phba->fc_stat.elsXmitACC++;
1894 spin_lock_irq(phba->host->host_lock);
1895 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
1896 spin_unlock_irq(phba->host->host_lock);
1897 if (rc == IOCB_ERROR) {
1898 lpfc_els_free_iocb(phba, elsiocb);
1899 return (1);
1900 }
1901 return (0);
1902}
1903
1904int
1905lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError,
1906 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
1907{
1908 IOCB_t *icmd;
1909 IOCB_t *oldcmd;
1910 struct lpfc_iocbq *elsiocb;
1911 struct lpfc_sli_ring *pring;
1912 struct lpfc_sli *psli;
1913 uint8_t *pcmd;
1914 uint16_t cmdsize;
1915 int rc;
1916
1917 psli = &phba->sli;
1918 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1919
1920 cmdsize = 2 * sizeof (uint32_t);
1921 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1922 ndlp, ELS_CMD_LS_RJT)) == 0) {
1923 return (1);
1924 }
1925
1926 icmd = &elsiocb->iocb;
1927 oldcmd = &oldiocb->iocb;
1928 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1929 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1930
1931 *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT;
1932 pcmd += sizeof (uint32_t);
1933 *((uint32_t *) (pcmd)) = rejectError;
1934
1935 /* Xmit ELS RJT <err> response tag <ulpIoTag> */
1936 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1937 "%d:0129 Xmit ELS RJT x%x response tag x%x "
1938 "Data: x%x x%x x%x x%x x%x\n",
1939 phba->brd_no,
1940 rejectError, elsiocb->iocb.ulpIoTag,
1941 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
1942 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1943
1944 phba->fc_stat.elsXmitLSRJT++;
1945 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
1946 spin_lock_irq(phba->host->host_lock);
1947 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
1948 spin_unlock_irq(phba->host->host_lock);
1949 if (rc == IOCB_ERROR) {
1950 lpfc_els_free_iocb(phba, elsiocb);
1951 return (1);
1952 }
1953 return (0);
1954}
1955
1956int
1957lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba,
1958 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
1959{
1960 ADISC *ap;
1961 IOCB_t *icmd;
1962 IOCB_t *oldcmd;
1963 struct lpfc_iocbq *elsiocb;
1964 struct lpfc_sli_ring *pring;
1965 struct lpfc_sli *psli;
1966 uint8_t *pcmd;
1967 uint16_t cmdsize;
1968 int rc;
1969
1970 psli = &phba->sli;
1971 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1972
1973 cmdsize = sizeof (uint32_t) + sizeof (ADISC);
1974 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1975 ndlp, ELS_CMD_ACC)) == 0) {
1976 return (1);
1977 }
1978
1979 /* Xmit ADISC ACC response tag <ulpIoTag> */
1980 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1981 "%d:0130 Xmit ADISC ACC response tag x%x "
1982 "Data: x%x x%x x%x x%x x%x\n",
1983 phba->brd_no,
1984 elsiocb->iocb.ulpIoTag,
1985 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
1986 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1987
1988 icmd = &elsiocb->iocb;
1989 oldcmd = &oldiocb->iocb;
1990 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1991 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1992
1993 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
1994 pcmd += sizeof (uint32_t);
1995
1996 ap = (ADISC *) (pcmd);
1997 ap->hardAL_PA = phba->fc_pref_ALPA;
1998 memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name));
1999 memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
2000 ap->DID = be32_to_cpu(phba->fc_myDID);
2001
2002 phba->fc_stat.elsXmitACC++;
2003 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2004 spin_lock_irq(phba->host->host_lock);
2005 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
2006 spin_unlock_irq(phba->host->host_lock);
2007 if (rc == IOCB_ERROR) {
2008 lpfc_els_free_iocb(phba, elsiocb);
2009 return (1);
2010 }
2011 return (0);
2012}
2013
2014int
2015lpfc_els_rsp_prli_acc(struct lpfc_hba * phba,
2016 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
2017{
2018 PRLI *npr;
2019 lpfc_vpd_t *vpd;
2020 IOCB_t *icmd;
2021 IOCB_t *oldcmd;
2022 struct lpfc_iocbq *elsiocb;
2023 struct lpfc_sli_ring *pring;
2024 struct lpfc_sli *psli;
2025 uint8_t *pcmd;
2026 uint16_t cmdsize;
2027 int rc;
2028
2029 psli = &phba->sli;
2030 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
2031
2032 cmdsize = sizeof (uint32_t) + sizeof (PRLI);
2033 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
2034 ndlp,
2035 (ELS_CMD_ACC |
2036 (ELS_CMD_PRLI & ~ELS_RSP_MASK)))) ==
2037 0) {
2038 return (1);
2039 }
2040
2041 /* Xmit PRLI ACC response tag <ulpIoTag> */
2042 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
2043 "%d:0131 Xmit PRLI ACC response tag x%x "
2044 "Data: x%x x%x x%x x%x x%x\n",
2045 phba->brd_no,
2046 elsiocb->iocb.ulpIoTag,
2047 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2048 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2049
2050 icmd = &elsiocb->iocb;
2051 oldcmd = &oldiocb->iocb;
2052 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2053 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2054
2055 *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
2056 pcmd += sizeof (uint32_t);
2057
2058 /* For PRLI, remainder of payload is PRLI parameter page */
2059 memset(pcmd, 0, sizeof (PRLI));
2060
2061 npr = (PRLI *) pcmd;
2062 vpd = &phba->vpd;
2063 /*
2064 * If our firmware version is 3.20 or later,
2065 * set the following bits for FC-TAPE support.
2066 */
2067 if (vpd->rev.feaLevelHigh >= 0x02) {
2068 npr->ConfmComplAllowed = 1;
2069 npr->Retry = 1;
2070 npr->TaskRetryIdReq = 1;
2071 }
2072
2073 npr->acceptRspCode = PRLI_REQ_EXECUTED;
2074 npr->estabImagePair = 1;
2075 npr->readXferRdyDis = 1;
2076 npr->ConfmComplAllowed = 1;
2077
2078 npr->prliType = PRLI_FCP_TYPE;
2079 npr->initiatorFunc = 1;
2080
2081 phba->fc_stat.elsXmitACC++;
2082 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2083
2084 spin_lock_irq(phba->host->host_lock);
2085 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
2086 spin_unlock_irq(phba->host->host_lock);
2087 if (rc == IOCB_ERROR) {
2088 lpfc_els_free_iocb(phba, elsiocb);
2089 return (1);
2090 }
2091 return (0);
2092}
2093
2094static int
2095lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba,
2096 uint8_t format,
2097 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
2098{
2099 RNID *rn;
2100 IOCB_t *icmd;
2101 IOCB_t *oldcmd;
2102 struct lpfc_iocbq *elsiocb;
2103 struct lpfc_sli_ring *pring;
2104 struct lpfc_sli *psli;
2105 uint8_t *pcmd;
2106 uint16_t cmdsize;
2107 int rc;
2108
2109 psli = &phba->sli;
2110 pring = &psli->ring[LPFC_ELS_RING];
2111
2112 cmdsize = sizeof (uint32_t) + sizeof (uint32_t)
2113 + (2 * sizeof (struct lpfc_name));
2114 if (format)
2115 cmdsize += sizeof (RNID_TOP_DISC);
2116
2117 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
2118 ndlp, ELS_CMD_ACC)) == 0) {
2119 return (1);
2120 }
2121
2122 /* Xmit RNID ACC response tag <ulpIoTag> */
2123 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
2124 "%d:0132 Xmit RNID ACC response tag x%x "
2125 "Data: x%x\n",
2126 phba->brd_no,
2127 elsiocb->iocb.ulpIoTag,
2128 elsiocb->iocb.ulpContext);
2129
2130 icmd = &elsiocb->iocb;
2131 oldcmd = &oldiocb->iocb;
2132 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2133 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2134
2135 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
2136 pcmd += sizeof (uint32_t);
2137
2138 memset(pcmd, 0, sizeof (RNID));
2139 rn = (RNID *) (pcmd);
2140 rn->Format = format;
2141 rn->CommonLen = (2 * sizeof (struct lpfc_name));
2142 memcpy(&rn->portName, &phba->fc_portname, sizeof (struct lpfc_name));
2143 memcpy(&rn->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
2144 switch (format) {
2145 case 0:
2146 rn->SpecificLen = 0;
2147 break;
2148 case RNID_TOPOLOGY_DISC:
2149 rn->SpecificLen = sizeof (RNID_TOP_DISC);
2150 memcpy(&rn->un.topologyDisc.portName,
2151 &phba->fc_portname, sizeof (struct lpfc_name));
2152 rn->un.topologyDisc.unitType = RNID_HBA;
2153 rn->un.topologyDisc.physPort = 0;
2154 rn->un.topologyDisc.attachedNodes = 0;
2155 break;
2156 default:
2157 rn->CommonLen = 0;
2158 rn->SpecificLen = 0;
2159 break;
2160 }
2161
2162 phba->fc_stat.elsXmitACC++;
2163 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2164 elsiocb->context1 = NULL; /* Don't need ndlp for cmpl,
2165 * it could be freed */
2166
2167 spin_lock_irq(phba->host->host_lock);
2168 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
2169 spin_unlock_irq(phba->host->host_lock);
2170 if (rc == IOCB_ERROR) {
2171 lpfc_els_free_iocb(phba, elsiocb);
2172 return (1);
2173 }
2174 return (0);
2175}
2176
2177int
2178lpfc_els_disc_adisc(struct lpfc_hba * phba)
2179{
2180 int sentadisc;
2181 struct lpfc_nodelist *ndlp, *next_ndlp;
2182
2183 sentadisc = 0;
2184 /* go thru NPR list and issue any remaining ELS ADISCs */
2185 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2186 nlp_listp) {
2187 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
2188 if (ndlp->nlp_flag & NLP_NPR_ADISC) {
2189 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2190 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
2191 lpfc_nlp_list(phba, ndlp,
2192 NLP_ADISC_LIST);
2193 lpfc_issue_els_adisc(phba, ndlp, 0);
2194 sentadisc++;
2195 phba->num_disc_nodes++;
2196 if (phba->num_disc_nodes >=
2197 phba->cfg_discovery_threads) {
2198 spin_lock_irq(phba->host->host_lock);
2199 phba->fc_flag |= FC_NLP_MORE;
2200 spin_unlock_irq(phba->host->host_lock);
2201 break;
2202 }
2203 }
2204 }
2205 }
2206 if (sentadisc == 0) {
2207 spin_lock_irq(phba->host->host_lock);
2208 phba->fc_flag &= ~FC_NLP_MORE;
2209 spin_unlock_irq(phba->host->host_lock);
2210 }
2211 return(sentadisc);
2212}
2213
2214int
2215lpfc_els_disc_plogi(struct lpfc_hba * phba)
2216{
2217 int sentplogi;
2218 struct lpfc_nodelist *ndlp, *next_ndlp;
2219
2220 sentplogi = 0;
2221 /* go thru NPR list and issue any remaining ELS PLOGIs */
2222 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2223 nlp_listp) {
2224 if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
2225 (!(ndlp->nlp_flag & NLP_DELAY_TMO))) {
2226 if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
2227 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
2228 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
2229 lpfc_issue_els_plogi(phba, ndlp, 0);
2230 sentplogi++;
2231 phba->num_disc_nodes++;
2232 if (phba->num_disc_nodes >=
2233 phba->cfg_discovery_threads) {
2234 spin_lock_irq(phba->host->host_lock);
2235 phba->fc_flag |= FC_NLP_MORE;
2236 spin_unlock_irq(phba->host->host_lock);
2237 break;
2238 }
2239 }
2240 }
2241 }
2242 if (sentplogi == 0) {
2243 spin_lock_irq(phba->host->host_lock);
2244 phba->fc_flag &= ~FC_NLP_MORE;
2245 spin_unlock_irq(phba->host->host_lock);
2246 }
2247 return(sentplogi);
2248}
2249
2250int
2251lpfc_els_flush_rscn(struct lpfc_hba * phba)
2252{
2253 struct lpfc_dmabuf *mp;
2254 int i;
2255
2256 for (i = 0; i < phba->fc_rscn_id_cnt; i++) {
2257 mp = phba->fc_rscn_id_list[i];
2258 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2259 kfree(mp);
2260 phba->fc_rscn_id_list[i] = NULL;
2261 }
2262 phba->fc_rscn_id_cnt = 0;
2263 spin_lock_irq(phba->host->host_lock);
2264 phba->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY);
2265 spin_unlock_irq(phba->host->host_lock);
2266 lpfc_can_disctmo(phba);
2267 return (0);
2268}
2269
2270int
2271lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did)
2272{
2273 D_ID ns_did;
2274 D_ID rscn_did;
2275 struct lpfc_dmabuf *mp;
2276 uint32_t *lp;
2277 uint32_t payload_len, cmd, i, match;
2278
2279 ns_did.un.word = did;
2280 match = 0;
2281
2282 /* Never match fabric nodes for RSCNs */
2283 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
2284 return(0);
2285
2286 /* If we are doing a FULL RSCN rediscovery, match everything */
2287 if (phba->fc_flag & FC_RSCN_DISCOVERY) {
2288 return (did);
2289 }
2290
2291 for (i = 0; i < phba->fc_rscn_id_cnt; i++) {
2292 mp = phba->fc_rscn_id_list[i];
2293 lp = (uint32_t *) mp->virt;
2294 cmd = *lp++;
2295 payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */
2296 payload_len -= sizeof (uint32_t); /* take off word 0 */
2297 while (payload_len) {
2298 rscn_did.un.word = *lp++;
2299 rscn_did.un.word = be32_to_cpu(rscn_did.un.word);
2300 payload_len -= sizeof (uint32_t);
2301 switch (rscn_did.un.b.resv) {
2302 case 0: /* Single N_Port ID effected */
2303 if (ns_did.un.word == rscn_did.un.word) {
2304 match = did;
2305 }
2306 break;
2307 case 1: /* Whole N_Port Area effected */
2308 if ((ns_did.un.b.domain == rscn_did.un.b.domain)
2309 && (ns_did.un.b.area == rscn_did.un.b.area))
2310 {
2311 match = did;
2312 }
2313 break;
2314 case 2: /* Whole N_Port Domain effected */
2315 if (ns_did.un.b.domain == rscn_did.un.b.domain)
2316 {
2317 match = did;
2318 }
2319 break;
2320 case 3: /* Whole Fabric effected */
2321 match = did;
2322 break;
2323 default:
2324 /* Unknown Identifier in RSCN list */
2325 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2326 "%d:0217 Unknown Identifier in "
2327 "RSCN payload Data: x%x\n",
2328 phba->brd_no, rscn_did.un.word);
2329 break;
2330 }
2331 if (match) {
2332 break;
2333 }
2334 }
2335 }
2336 return (match);
2337}
2338
2339static int
2340lpfc_rscn_recovery_check(struct lpfc_hba * phba)
2341{
2342 struct lpfc_nodelist *ndlp = NULL, *next_ndlp;
2343 struct list_head *listp;
2344 struct list_head *node_list[7];
2345 int i;
2346
2347 /* Look at all nodes effected by pending RSCNs and move
2348 * them to NPR list.
2349 */
2350 node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
2351 node_list[1] = &phba->fc_nlpmap_list;
2352 node_list[2] = &phba->fc_nlpunmap_list;
2353 node_list[3] = &phba->fc_prli_list;
2354 node_list[4] = &phba->fc_reglogin_list;
2355 node_list[5] = &phba->fc_adisc_list;
2356 node_list[6] = &phba->fc_plogi_list;
2357 for (i = 0; i < 7; i++) {
2358 listp = node_list[i];
2359 if (list_empty(listp))
2360 continue;
2361
2362 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
2363 if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID)))
2364 continue;
2365
2366 lpfc_disc_state_machine(phba, ndlp, NULL,
2367 NLP_EVT_DEVICE_RECOVERY);
2368 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
2369 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
2370 del_timer_sync(&ndlp->nlp_delayfunc);
2371 if (!list_empty(&ndlp->
2372 els_retry_evt.evt_listp))
2373 list_del_init(&ndlp->
2374 els_retry_evt.evt_listp);
2375 }
2376 }
2377 }
2378 return (0);
2379}
2380
2381static int
2382lpfc_els_rcv_rscn(struct lpfc_hba * phba,
2383 struct lpfc_iocbq * cmdiocb,
2384 struct lpfc_nodelist * ndlp, uint8_t newnode)
2385{
2386 struct lpfc_dmabuf *pcmd;
2387 uint32_t *lp;
2388 IOCB_t *icmd;
2389 uint32_t payload_len, cmd;
2390
2391 icmd = &cmdiocb->iocb;
2392 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2393 lp = (uint32_t *) pcmd->virt;
2394
2395 cmd = *lp++;
2396 payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */
2397 payload_len -= sizeof (uint32_t); /* take off word 0 */
2398 cmd &= ELS_CMD_MASK;
2399
2400 /* RSCN received */
2401 lpfc_printf_log(phba,
2402 KERN_INFO,
2403 LOG_DISCOVERY,
2404 "%d:0214 RSCN received Data: x%x x%x x%x x%x\n",
2405 phba->brd_no,
2406 phba->fc_flag, payload_len, *lp, phba->fc_rscn_id_cnt);
2407
2408 /* If we are about to begin discovery, just ACC the RSCN.
2409 * Discovery processing will satisfy it.
2410 */
2411 if (phba->hba_state < LPFC_NS_QRY) {
2412 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
2413 newnode);
2414 return (0);
2415 }
2416
2417 /* If we are already processing an RSCN, save the received
2418 * RSCN payload buffer, cmdiocb->context2 to process later.
2419 */
2420 if (phba->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) {
2421 if ((phba->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) &&
2422 !(phba->fc_flag & FC_RSCN_DISCOVERY)) {
2423 spin_lock_irq(phba->host->host_lock);
2424 phba->fc_flag |= FC_RSCN_MODE;
2425 spin_unlock_irq(phba->host->host_lock);
2426 phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd;
2427
2428 /* If we zero, cmdiocb->context2, the calling
2429 * routine will not try to free it.
2430 */
2431 cmdiocb->context2 = NULL;
2432
2433 /* Deferred RSCN */
2434 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2435 "%d:0235 Deferred RSCN "
2436 "Data: x%x x%x x%x\n",
2437 phba->brd_no, phba->fc_rscn_id_cnt,
2438 phba->fc_flag, phba->hba_state);
2439 } else {
2440 spin_lock_irq(phba->host->host_lock);
2441 phba->fc_flag |= FC_RSCN_DISCOVERY;
2442 spin_unlock_irq(phba->host->host_lock);
2443 /* ReDiscovery RSCN */
2444 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2445 "%d:0234 ReDiscovery RSCN "
2446 "Data: x%x x%x x%x\n",
2447 phba->brd_no, phba->fc_rscn_id_cnt,
2448 phba->fc_flag, phba->hba_state);
2449 }
2450 /* Send back ACC */
2451 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
2452 newnode);
2453
2454 /* send RECOVERY event for ALL nodes that match RSCN payload */
2455 lpfc_rscn_recovery_check(phba);
2456 return (0);
2457 }
2458
2459 phba->fc_flag |= FC_RSCN_MODE;
2460 phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd;
2461 /*
2462 * If we zero, cmdiocb->context2, the calling routine will
2463 * not try to free it.
2464 */
2465 cmdiocb->context2 = NULL;
2466
2467 lpfc_set_disctmo(phba);
2468
2469 /* Send back ACC */
2470 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode);
2471
2472 /* send RECOVERY event for ALL nodes that match RSCN payload */
2473 lpfc_rscn_recovery_check(phba);
2474
2475 return (lpfc_els_handle_rscn(phba));
2476}
2477
2478int
2479lpfc_els_handle_rscn(struct lpfc_hba * phba)
2480{
2481 struct lpfc_nodelist *ndlp;
2482
2483 /* Start timer for RSCN processing */
2484 lpfc_set_disctmo(phba);
2485
2486 /* RSCN processed */
2487 lpfc_printf_log(phba,
2488 KERN_INFO,
2489 LOG_DISCOVERY,
2490 "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n",
2491 phba->brd_no,
2492 phba->fc_flag, 0, phba->fc_rscn_id_cnt,
2493 phba->hba_state);
2494
2495 /* To process RSCN, first compare RSCN data with NameServer */
2496 phba->fc_ns_retry = 0;
2497 if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
2498 NameServer_DID))) {
2499 /* Good ndlp, issue CT Request to NameServer */
2500 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) {
2501 /* Wait for NameServer query cmpl before we can
2502 continue */
2503 return (1);
2504 }
2505 } else {
2506 /* If login to NameServer does not exist, issue one */
2507 /* Good status, issue PLOGI to NameServer */
2508 if ((ndlp =
2509 lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID))) {
2510 /* Wait for NameServer login cmpl before we can
2511 continue */
2512 return (1);
2513 }
2514 if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
2515 == 0) {
2516 lpfc_els_flush_rscn(phba);
2517 return (0);
2518 } else {
2519 lpfc_nlp_init(phba, ndlp, NameServer_DID);
2520 ndlp->nlp_type |= NLP_FABRIC;
2521 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
2522 lpfc_issue_els_plogi(phba, ndlp, 0);
2523 /* Wait for NameServer login cmpl before we can
2524 continue */
2525 return (1);
2526 }
2527 }
2528
2529 lpfc_els_flush_rscn(phba);
2530 return (0);
2531}
2532
2533static int
2534lpfc_els_rcv_flogi(struct lpfc_hba * phba,
2535 struct lpfc_iocbq * cmdiocb,
2536 struct lpfc_nodelist * ndlp, uint8_t newnode)
2537{
2538 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2539 uint32_t *lp = (uint32_t *) pcmd->virt;
2540 IOCB_t *icmd = &cmdiocb->iocb;
2541 struct serv_parm *sp;
2542 LPFC_MBOXQ_t *mbox;
2543 struct ls_rjt stat;
2544 uint32_t cmd, did;
2545 int rc;
2546
2547 cmd = *lp++;
2548 sp = (struct serv_parm *) lp;
2549
2550 /* FLOGI received */
2551
2552 lpfc_set_disctmo(phba);
2553
2554 if (phba->fc_topology == TOPOLOGY_LOOP) {
2555 /* We should never receive a FLOGI in loop mode, ignore it */
2556 did = icmd->un.elsreq64.remoteID;
2557
2558 /* An FLOGI ELS command <elsCmd> was received from DID <did> in
2559 Loop Mode */
2560 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
2561 "%d:0113 An FLOGI ELS command x%x was received "
2562 "from DID x%x in Loop Mode\n",
2563 phba->brd_no, cmd, did);
2564 return (1);
2565 }
2566
2567 did = Fabric_DID;
2568
2569 if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3))) {
2570 /* For a FLOGI we accept, then if our portname is greater
2571 * then the remote portname we initiate Nport login.
2572 */
2573
2574 rc = memcmp(&phba->fc_portname, &sp->portName,
2575 sizeof (struct lpfc_name));
2576
2577 if (!rc) {
2578 if ((mbox = mempool_alloc(phba->mbox_mem_pool,
2579 GFP_KERNEL)) == 0) {
2580 return (1);
2581 }
2582 lpfc_linkdown(phba);
2583 lpfc_init_link(phba, mbox,
2584 phba->cfg_topology,
2585 phba->cfg_link_speed);
2586 mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2587 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
2588 rc = lpfc_sli_issue_mbox
2589 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
2590 if (rc == MBX_NOT_FINISHED) {
2591 mempool_free( mbox, phba->mbox_mem_pool);
2592 }
2593 return (1);
2594 }
2595 else if (rc > 0) { /* greater than */
2596 spin_lock_irq(phba->host->host_lock);
2597 phba->fc_flag |= FC_PT2PT_PLOGI;
2598 spin_unlock_irq(phba->host->host_lock);
2599 }
2600 phba->fc_flag |= FC_PT2PT;
2601 phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
2602 } else {
2603 /* Reject this request because invalid parameters */
2604 stat.un.b.lsRjtRsvd0 = 0;
2605 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2606 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
2607 stat.un.b.vendorUnique = 0;
2608 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2609 return (1);
2610 }
2611
2612 /* Send back ACC */
2613 lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode);
2614
2615 return (0);
2616}
2617
2618static int
2619lpfc_els_rcv_rnid(struct lpfc_hba * phba,
2620 struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp)
2621{
2622 struct lpfc_dmabuf *pcmd;
2623 uint32_t *lp;
2624 IOCB_t *icmd;
2625 RNID *rn;
2626 struct ls_rjt stat;
2627 uint32_t cmd, did;
2628
2629 icmd = &cmdiocb->iocb;
2630 did = icmd->un.elsreq64.remoteID;
2631 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2632 lp = (uint32_t *) pcmd->virt;
2633
2634 cmd = *lp++;
2635 rn = (RNID *) lp;
2636
2637 /* RNID received */
2638
2639 switch (rn->Format) {
2640 case 0:
2641 case RNID_TOPOLOGY_DISC:
2642 /* Send back ACC */
2643 lpfc_els_rsp_rnid_acc(phba, rn->Format, cmdiocb, ndlp);
2644 break;
2645 default:
2646 /* Reject this request because format not supported */
2647 stat.un.b.lsRjtRsvd0 = 0;
2648 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2649 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
2650 stat.un.b.vendorUnique = 0;
2651 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2652 }
2653 return (0);
2654}
2655
2656static int
2657lpfc_els_rcv_rrq(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2658 struct lpfc_nodelist * ndlp)
2659{
2660 struct lpfc_dmabuf *pcmd;
2661 uint32_t *lp;
2662 IOCB_t *icmd;
2663 struct lpfc_sli_ring *pring;
2664 struct lpfc_sli *psli;
2665 RRQ *rrq;
2666 uint32_t cmd, did;
2667
2668 psli = &phba->sli;
2669 pring = &psli->ring[LPFC_FCP_RING];
2670 icmd = &cmdiocb->iocb;
2671 did = icmd->un.elsreq64.remoteID;
2672 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2673 lp = (uint32_t *) pcmd->virt;
2674
2675 cmd = *lp++;
2676 rrq = (RRQ *) lp;
2677
2678 /* RRQ received */
2679 /* Get oxid / rxid from payload and abort it */
2680 spin_lock_irq(phba->host->host_lock);
2681 if ((rrq->SID == be32_to_cpu(phba->fc_myDID))) {
2682 lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Oxid,
2683 LPFC_CTX_CTX);
2684 } else {
2685 lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Rxid,
2686 LPFC_CTX_CTX);
2687 }
2688
2689 spin_unlock_irq(phba->host->host_lock);
2690 /* ACCEPT the rrq request */
2691 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
2692
2693 return 0;
2694}
2695
2696static int
2697lpfc_els_rcv_farp(struct lpfc_hba * phba,
2698 struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp)
2699{
2700 struct lpfc_dmabuf *pcmd;
2701 uint32_t *lp;
2702 IOCB_t *icmd;
2703 FARP *fp;
2704 uint32_t cmd, cnt, did;
2705
2706 icmd = &cmdiocb->iocb;
2707 did = icmd->un.elsreq64.remoteID;
2708 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2709 lp = (uint32_t *) pcmd->virt;
2710
2711 cmd = *lp++;
2712 fp = (FARP *) lp;
2713
2714 /* FARP-REQ received from DID <did> */
2715 lpfc_printf_log(phba,
2716 KERN_INFO,
2717 LOG_IP,
2718 "%d:0601 FARP-REQ received from DID x%x\n",
2719 phba->brd_no, did);
2720
2721 /* We will only support match on WWPN or WWNN */
2722 if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) {
2723 return (0);
2724 }
2725
2726 cnt = 0;
2727 /* If this FARP command is searching for my portname */
2728 if (fp->Mflags & FARP_MATCH_PORT) {
2729 if (memcmp(&fp->RportName, &phba->fc_portname,
2730 sizeof (struct lpfc_name)) == 0)
2731 cnt = 1;
2732 }
2733
2734 /* If this FARP command is searching for my nodename */
2735 if (fp->Mflags & FARP_MATCH_NODE) {
2736 if (memcmp(&fp->RnodeName, &phba->fc_nodename,
2737 sizeof (struct lpfc_name)) == 0)
2738 cnt = 1;
2739 }
2740
2741 if (cnt) {
2742 if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) ||
2743 (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) {
2744 /* Log back into the node before sending the FARP. */
2745 if (fp->Rflags & FARP_REQUEST_PLOGI) {
2746 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
2747 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
2748 lpfc_issue_els_plogi(phba, ndlp, 0);
2749 }
2750
2751 /* Send a FARP response to that node */
2752 if (fp->Rflags & FARP_REQUEST_FARPR) {
2753 lpfc_issue_els_farpr(phba, did, 0);
2754 }
2755 }
2756 }
2757 return (0);
2758}
2759
2760static int
2761lpfc_els_rcv_farpr(struct lpfc_hba * phba,
2762 struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp)
2763{
2764 struct lpfc_dmabuf *pcmd;
2765 uint32_t *lp;
2766 IOCB_t *icmd;
2767 uint32_t cmd, did;
2768
2769 icmd = &cmdiocb->iocb;
2770 did = icmd->un.elsreq64.remoteID;
2771 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2772 lp = (uint32_t *) pcmd->virt;
2773
2774 cmd = *lp++;
2775 /* FARP-RSP received from DID <did> */
2776 lpfc_printf_log(phba,
2777 KERN_INFO,
2778 LOG_IP,
2779 "%d:0600 FARP-RSP received from DID x%x\n",
2780 phba->brd_no, did);
2781
2782 /* ACCEPT the Farp resp request */
2783 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
2784
2785 return 0;
2786}
2787
2788static int
2789lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2790 struct lpfc_nodelist * ndlp)
2791{
2792 struct lpfc_dmabuf *pcmd;
2793 uint32_t *lp;
2794 IOCB_t *icmd;
2795 FAN *fp;
2796 uint32_t cmd, did;
2797
2798 icmd = &cmdiocb->iocb;
2799 did = icmd->un.elsreq64.remoteID;
2800 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2801 lp = (uint32_t *) pcmd->virt;
2802
2803 cmd = *lp++;
2804 fp = (FAN *) lp;
2805
2806 /* FAN received */
2807
2808 /* ACCEPT the FAN request */
2809 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
2810
2811 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
2812 /* The discovery state machine needs to take a different
2813 * action if this node has switched fabrics
2814 */
2815 if ((memcmp(&fp->FportName, &phba->fc_fabparam.portName,
2816 sizeof (struct lpfc_name)) != 0)
2817 ||
2818 (memcmp(&fp->FnodeName, &phba->fc_fabparam.nodeName,
2819 sizeof (struct lpfc_name)) != 0)) {
2820 /* This node has switched fabrics. An FLOGI is required
2821 * after the timeout
2822 */
2823 return (0);
2824 }
2825
2826 /* Start discovery */
2827 lpfc_disc_start(phba);
2828 }
2829
2830 return (0);
2831}
2832
2833void
2834lpfc_els_timeout(unsigned long ptr)
2835{
2836 struct lpfc_hba *phba;
2837 unsigned long iflag;
2838
2839 phba = (struct lpfc_hba *)ptr;
2840 if (phba == 0)
2841 return;
2842 spin_lock_irqsave(phba->host->host_lock, iflag);
2843 if (!(phba->work_hba_events & WORKER_ELS_TMO)) {
2844 phba->work_hba_events |= WORKER_ELS_TMO;
2845 if (phba->work_wait)
2846 wake_up(phba->work_wait);
2847 }
2848 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2849 return;
2850}
2851
2852void
2853lpfc_els_timeout_handler(struct lpfc_hba *phba)
2854{
2855 struct lpfc_sli_ring *pring;
2856 struct lpfc_iocbq *tmp_iocb, *piocb;
2857 IOCB_t *cmd = NULL;
2858 struct lpfc_dmabuf *pcmd;
2859 struct list_head *dlp;
2860 uint32_t *elscmd;
2861 uint32_t els_command;
2862 uint32_t timeout;
2863 uint32_t remote_ID;
2864
2865 if (phba == 0)
2866 return;
2867 spin_lock_irq(phba->host->host_lock);
2868 /* If the timer is already canceled do nothing */
2869 if (!(phba->work_hba_events & WORKER_ELS_TMO)) {
2870 spin_unlock_irq(phba->host->host_lock);
2871 return;
2872 }
2873 timeout = (uint32_t)(phba->fc_ratov << 1);
2874
2875 pring = &phba->sli.ring[LPFC_ELS_RING];
2876 dlp = &pring->txcmplq;
2877
2878 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
2879 cmd = &piocb->iocb;
2880
2881 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
2882 continue;
2883 }
2884 pcmd = (struct lpfc_dmabuf *) piocb->context2;
2885 elscmd = (uint32_t *) (pcmd->virt);
2886 els_command = *elscmd;
2887
2888 if ((els_command == ELS_CMD_FARP)
2889 || (els_command == ELS_CMD_FARPR)) {
2890 continue;
2891 }
2892
2893 if (piocb->drvrTimeout > 0) {
2894 if (piocb->drvrTimeout >= timeout) {
2895 piocb->drvrTimeout -= timeout;
2896 } else {
2897 piocb->drvrTimeout = 0;
2898 }
2899 continue;
2900 }
2901
2902 list_del(&piocb->list);
2903 pring->txcmplq_cnt--;
2904
2905 if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) {
2906 struct lpfc_nodelist *ndlp;
2907
2908 ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext);
2909 remote_ID = ndlp->nlp_DID;
2910 if (cmd->un.elsreq64.bdl.ulpIoTag32) {
2911 lpfc_sli_issue_abort_iotag32(phba,
2912 pring, piocb);
2913 }
2914 } else {
2915 remote_ID = cmd->un.elsreq64.remoteID;
2916 }
2917
2918 lpfc_printf_log(phba,
2919 KERN_ERR,
2920 LOG_ELS,
2921 "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n",
2922 phba->brd_no, els_command,
2923 remote_ID, cmd->ulpCommand, cmd->ulpIoTag);
2924
2925 /*
2926 * The iocb has timed out; abort it.
2927 */
2928 if (piocb->iocb_cmpl) {
2929 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
2930 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
2931 spin_unlock_irq(phba->host->host_lock);
2932 (piocb->iocb_cmpl) (phba, piocb, piocb);
2933 spin_lock_irq(phba->host->host_lock);
2934 } else {
2935 list_add_tail(&piocb->list, &phba->lpfc_iocb_list);
2936 }
2937 }
2938 if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) {
2939 phba->els_tmofunc.expires = jiffies + HZ * timeout;
2940 add_timer(&phba->els_tmofunc);
2941 }
2942 spin_unlock_irq(phba->host->host_lock);
2943}
2944
2945void
2946lpfc_els_flush_cmd(struct lpfc_hba * phba)
2947{
2948 struct lpfc_sli_ring *pring;
2949 struct lpfc_iocbq *tmp_iocb, *piocb;
2950 IOCB_t *cmd = NULL;
2951 struct lpfc_dmabuf *pcmd;
2952 uint32_t *elscmd;
2953 uint32_t els_command;
2954 uint32_t remote_ID;
2955
2956 pring = &phba->sli.ring[LPFC_ELS_RING];
2957 spin_lock_irq(phba->host->host_lock);
2958 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) {
2959 cmd = &piocb->iocb;
2960
2961 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
2962 continue;
2963 }
2964
2965 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
2966 if ((cmd->ulpCommand == CMD_QUE_RING_BUF_CN) ||
2967 (cmd->ulpCommand == CMD_QUE_RING_BUF64_CN) ||
2968 (cmd->ulpCommand == CMD_CLOSE_XRI_CN) ||
2969 (cmd->ulpCommand == CMD_ABORT_XRI_CN)) {
2970 continue;
2971 }
2972
2973 pcmd = (struct lpfc_dmabuf *) piocb->context2;
2974 elscmd = (uint32_t *) (pcmd->virt);
2975 els_command = *elscmd;
2976
2977 if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) {
2978 struct lpfc_nodelist *ndlp;
2979
2980 ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext);
2981 remote_ID = ndlp->nlp_DID;
2982 if (phba->hba_state == LPFC_HBA_READY) {
2983 continue;
2984 }
2985 } else {
2986 remote_ID = cmd->un.elsreq64.remoteID;
2987 }
2988
2989 list_del(&piocb->list);
2990 pring->txcmplq_cnt--;
2991
2992 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
2993 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
2994
2995 if (piocb->iocb_cmpl) {
2996 spin_unlock_irq(phba->host->host_lock);
2997 (piocb->iocb_cmpl) (phba, piocb, piocb);
2998 spin_lock_irq(phba->host->host_lock);
2999 }
3000 else
3001 list_add_tail(&piocb->list, &phba->lpfc_iocb_list);
3002 }
3003
3004 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
3005 cmd = &piocb->iocb;
3006
3007 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3008 continue;
3009 }
3010 pcmd = (struct lpfc_dmabuf *) piocb->context2;
3011 elscmd = (uint32_t *) (pcmd->virt);
3012 els_command = *elscmd;
3013
3014 if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) {
3015 struct lpfc_nodelist *ndlp;
3016
3017 ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext);
3018 remote_ID = ndlp->nlp_DID;
3019 if (phba->hba_state == LPFC_HBA_READY) {
3020 continue;
3021 }
3022 } else {
3023 remote_ID = cmd->un.elsreq64.remoteID;
3024 }
3025
3026 list_del(&piocb->list);
3027 pring->txcmplq_cnt--;
3028
3029 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3030 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3031
3032 if (piocb->iocb_cmpl) {
3033 spin_unlock_irq(phba->host->host_lock);
3034 (piocb->iocb_cmpl) (phba, piocb, piocb);
3035 spin_lock_irq(phba->host->host_lock);
3036 }
3037 else
3038 list_add_tail(&piocb->list, &phba->lpfc_iocb_list);
3039 }
3040 spin_unlock_irq(phba->host->host_lock);
3041 return;
3042}
3043
3044void
3045lpfc_els_unsol_event(struct lpfc_hba * phba,
3046 struct lpfc_sli_ring * pring, struct lpfc_iocbq * elsiocb)
3047{
3048 struct lpfc_sli *psli;
3049 struct lpfc_nodelist *ndlp;
3050 struct lpfc_dmabuf *mp;
3051 uint32_t *lp;
3052 IOCB_t *icmd;
3053 struct ls_rjt stat;
3054 uint32_t cmd;
3055 uint32_t did;
3056 uint32_t newnode;
3057 uint32_t drop_cmd = 0; /* by default do NOT drop received cmd */
3058 uint32_t rjt_err = 0;
3059
3060 psli = &phba->sli;
3061 icmd = &elsiocb->iocb;
3062
3063 if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
3064 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
3065 /* Not enough posted buffers; Try posting more buffers */
3066 phba->fc_stat.NoRcvBuf++;
3067 lpfc_post_buffer(phba, pring, 0, 1);
3068 return;
3069 }
3070
3071 /* If there are no BDEs associated with this IOCB,
3072 * there is nothing to do.
3073 */
3074 if (icmd->ulpBdeCount == 0)
3075 return;
3076
3077 /* type of ELS cmd is first 32bit word in packet */
3078 mp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un.
3079 cont64[0].
3080 addrHigh,
3081 icmd->un.
3082 cont64[0].addrLow));
3083 if (mp == 0) {
3084 drop_cmd = 1;
3085 goto dropit;
3086 }
3087
3088 newnode = 0;
3089 lp = (uint32_t *) mp->virt;
3090 cmd = *lp++;
3091 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], 1, 1);
3092
3093 if (icmd->ulpStatus) {
3094 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3095 kfree(mp);
3096 drop_cmd = 1;
3097 goto dropit;
3098 }
3099
3100 /* Check to see if link went down during discovery */
3101 if (lpfc_els_chk_latt(phba)) {
3102 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3103 kfree(mp);
3104 drop_cmd = 1;
3105 goto dropit;
3106 }
3107
3108 did = icmd->un.rcvels.remoteID;
3109 if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
3110 /* Cannot find existing Fabric ndlp, so allocate a new one */
3111 if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
3112 == 0) {
3113 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3114 kfree(mp);
3115 drop_cmd = 1;
3116 goto dropit;
3117 }
3118
3119 lpfc_nlp_init(phba, ndlp, did);
3120 newnode = 1;
3121 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
3122 ndlp->nlp_type |= NLP_FABRIC;
3123 }
3124 }
3125
3126 phba->fc_stat.elsRcvFrame++;
3127 elsiocb->context1 = ndlp;
3128 elsiocb->context2 = mp;
3129
3130 if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) {
3131 cmd &= ELS_CMD_MASK;
3132 }
3133 /* ELS command <elsCmd> received from NPORT <did> */
3134 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
3135 "%d:0112 ELS command x%x received from NPORT x%x "
3136 "Data: x%x\n", phba->brd_no, cmd, did, phba->hba_state);
3137
3138 switch (cmd) {
3139 case ELS_CMD_PLOGI:
3140 phba->fc_stat.elsRcvPLOGI++;
3141 if (phba->hba_state < LPFC_DISC_AUTH) {
3142 rjt_err = LSEXP_NOTHING_MORE;
3143 break;
3144 }
3145 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI);
3146 break;
3147 case ELS_CMD_FLOGI:
3148 phba->fc_stat.elsRcvFLOGI++;
3149 lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode);
3150 if (newnode) {
3151 mempool_free( ndlp, phba->nlp_mem_pool);
3152 }
3153 break;
3154 case ELS_CMD_LOGO:
3155 phba->fc_stat.elsRcvLOGO++;
3156 if (phba->hba_state < LPFC_DISC_AUTH) {
3157 rjt_err = LSEXP_NOTHING_MORE;
3158 break;
3159 }
3160 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_LOGO);
3161 break;
3162 case ELS_CMD_PRLO:
3163 phba->fc_stat.elsRcvPRLO++;
3164 if (phba->hba_state < LPFC_DISC_AUTH) {
3165 rjt_err = LSEXP_NOTHING_MORE;
3166 break;
3167 }
3168 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLO);
3169 break;
3170 case ELS_CMD_RSCN:
3171 phba->fc_stat.elsRcvRSCN++;
3172 lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode);
3173 if (newnode) {
3174 mempool_free( ndlp, phba->nlp_mem_pool);
3175 }
3176 break;
3177 case ELS_CMD_ADISC:
3178 phba->fc_stat.elsRcvADISC++;
3179 if (phba->hba_state < LPFC_DISC_AUTH) {
3180 rjt_err = LSEXP_NOTHING_MORE;
3181 break;
3182 }
3183 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_ADISC);
3184 break;
3185 case ELS_CMD_PDISC:
3186 phba->fc_stat.elsRcvPDISC++;
3187 if (phba->hba_state < LPFC_DISC_AUTH) {
3188 rjt_err = LSEXP_NOTHING_MORE;
3189 break;
3190 }
3191 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PDISC);
3192 break;
3193 case ELS_CMD_FARPR:
3194 phba->fc_stat.elsRcvFARPR++;
3195 lpfc_els_rcv_farpr(phba, elsiocb, ndlp);
3196 break;
3197 case ELS_CMD_FARP:
3198 phba->fc_stat.elsRcvFARP++;
3199 lpfc_els_rcv_farp(phba, elsiocb, ndlp);
3200 break;
3201 case ELS_CMD_FAN:
3202 phba->fc_stat.elsRcvFAN++;
3203 lpfc_els_rcv_fan(phba, elsiocb, ndlp);
3204 break;
3205 case ELS_CMD_RRQ:
3206 phba->fc_stat.elsRcvRRQ++;
3207 lpfc_els_rcv_rrq(phba, elsiocb, ndlp);
3208 break;
3209 case ELS_CMD_PRLI:
3210 phba->fc_stat.elsRcvPRLI++;
3211 if (phba->hba_state < LPFC_DISC_AUTH) {
3212 rjt_err = LSEXP_NOTHING_MORE;
3213 break;
3214 }
3215 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
3216 break;
3217 case ELS_CMD_RNID:
3218 phba->fc_stat.elsRcvRNID++;
3219 lpfc_els_rcv_rnid(phba, elsiocb, ndlp);
3220 break;
3221 default:
3222 /* Unsupported ELS command, reject */
3223 rjt_err = LSEXP_NOTHING_MORE;
3224
3225 /* Unknown ELS command <elsCmd> received from NPORT <did> */
3226 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
3227 "%d:0115 Unknown ELS command x%x received from "
3228 "NPORT x%x\n", phba->brd_no, cmd, did);
3229 if (newnode) {
3230 mempool_free( ndlp, phba->nlp_mem_pool);
3231 }
3232 break;
3233 }
3234
3235 /* check if need to LS_RJT received ELS cmd */
3236 if (rjt_err) {
3237 stat.un.b.lsRjtRsvd0 = 0;
3238 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3239 stat.un.b.lsRjtRsnCodeExp = rjt_err;
3240 stat.un.b.vendorUnique = 0;
3241 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp);
3242 }
3243
3244 if (elsiocb->context2) {
3245 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3246 kfree(mp);
3247 }
3248dropit:
3249 /* check if need to drop received ELS cmd */
3250 if (drop_cmd == 1) {
3251 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
3252 "%d:0111 Dropping received ELS cmd "
3253 "Data: x%x x%x\n", phba->brd_no,
3254 icmd->ulpStatus, icmd->un.ulpWord[4]);
3255 phba->fc_stat.elsRcvDrop++;
3256 }
3257 return;
3258}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
new file mode 100644
index 000000000000..d546206038bf
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -0,0 +1,2537 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_hbadisc.c 1.266 2005/04/13 11:59:06EDT sf_support Exp $
23 */
24
25#include <linux/blkdev.h>
26#include <linux/pci.h>
27#include <linux/kthread.h>
28#include <linux/interrupt.h>
29
30#include <scsi/scsi_device.h>
31#include <scsi/scsi_host.h>
32#include <scsi/scsi_transport_fc.h>
33
34#include "lpfc_hw.h"
35#include "lpfc_disc.h"
36#include "lpfc_sli.h"
37#include "lpfc_scsi.h"
38#include "lpfc.h"
39#include "lpfc_logmsg.h"
40#include "lpfc_crtn.h"
41
42/* AlpaArray for assignment of scsid for scan-down and bind_method */
43static uint8_t lpfcAlpaArray[] = {
44 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
45 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
46 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
47 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
48 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
49 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
50 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
51 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
52 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
53 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
54 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
55 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
56 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
57};
58
59static void lpfc_disc_timeout_handler(struct lpfc_hba *);
60
61static void
62lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
63{
64 if (!(ndlp->nlp_type & NLP_FABRIC)) {
65 /* Nodev timeout on NPort <nlp_DID> */
66 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
67 "%d:0203 Nodev timeout on NPort x%x "
68 "Data: x%x x%x x%x\n",
69 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
70 ndlp->nlp_state, ndlp->nlp_rpi);
71 }
72
73 spin_lock_irq(phba->host->host_lock);
74 if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
75 spin_unlock_irq(phba->host->host_lock);
76 return;
77 }
78
79 ndlp->nlp_flag &= ~NLP_NODEV_TMO;
80
81 if (ndlp->nlp_sid != NLP_NO_SID) {
82 /* flush the target */
83 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
84 ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
85 }
86 spin_unlock_irq(phba->host->host_lock);
87
88 lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
89 return;
90}
91
92static void
93lpfc_work_list_done(struct lpfc_hba * phba)
94{
95 struct lpfc_work_evt *evtp = NULL;
96 struct lpfc_nodelist *ndlp;
97 int free_evt;
98
99 spin_lock_irq(phba->host->host_lock);
100 while(!list_empty(&phba->work_list)) {
101 list_remove_head((&phba->work_list), evtp, typeof(*evtp),
102 evt_listp);
103 spin_unlock_irq(phba->host->host_lock);
104 free_evt = 1;
105 switch(evtp->evt) {
106 case LPFC_EVT_NODEV_TMO:
107 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
108 lpfc_process_nodev_timeout(phba, ndlp);
109 free_evt = 0;
110 break;
111 case LPFC_EVT_ELS_RETRY:
112 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
113 lpfc_els_retry_delay_handler(ndlp);
114 free_evt = 0;
115 break;
116 case LPFC_EVT_ONLINE:
117 *(int *)(evtp->evt_arg1) = lpfc_online(phba);
118 complete((struct completion *)(evtp->evt_arg2));
119 break;
120 case LPFC_EVT_OFFLINE:
121 *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
122 complete((struct completion *)(evtp->evt_arg2));
123 break;
124 }
125 if (free_evt)
126 kfree(evtp);
127 spin_lock_irq(phba->host->host_lock);
128 }
129 spin_unlock_irq(phba->host->host_lock);
130
131}
132
133static void
134lpfc_work_done(struct lpfc_hba * phba)
135{
136 struct lpfc_sli_ring *pring;
137 int i;
138 uint32_t ha_copy;
139 uint32_t control;
140 uint32_t work_hba_events;
141
142 spin_lock_irq(phba->host->host_lock);
143 ha_copy = phba->work_ha;
144 phba->work_ha = 0;
145 work_hba_events=phba->work_hba_events;
146 spin_unlock_irq(phba->host->host_lock);
147
148 if(ha_copy & HA_ERATT)
149 lpfc_handle_eratt(phba);
150
151 if(ha_copy & HA_MBATT)
152 lpfc_sli_handle_mb_event(phba);
153
154 if(ha_copy & HA_LATT)
155 lpfc_handle_latt(phba);
156
157 if (work_hba_events & WORKER_DISC_TMO)
158 lpfc_disc_timeout_handler(phba);
159
160 if (work_hba_events & WORKER_ELS_TMO)
161 lpfc_els_timeout_handler(phba);
162
163 if (work_hba_events & WORKER_MBOX_TMO)
164 lpfc_mbox_timeout_handler(phba);
165
166 if (work_hba_events & WORKER_FDMI_TMO)
167 lpfc_fdmi_tmo_handler(phba);
168
169 spin_lock_irq(phba->host->host_lock);
170 phba->work_hba_events &= ~work_hba_events;
171 spin_unlock_irq(phba->host->host_lock);
172
173 for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) {
174 pring = &phba->sli.ring[i];
175 if ((ha_copy & HA_RXATT)
176 || (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
177 if (pring->flag & LPFC_STOP_IOCB_MASK) {
178 pring->flag |= LPFC_DEFERRED_RING_EVENT;
179 } else {
180 lpfc_sli_handle_slow_ring_event(phba, pring,
181 (ha_copy &
182 HA_RXMASK));
183 pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
184 }
185 /*
186 * Turn on Ring interrupts
187 */
188 spin_lock_irq(phba->host->host_lock);
189 control = readl(phba->HCregaddr);
190 control |= (HC_R0INT_ENA << i);
191 writel(control, phba->HCregaddr);
192 readl(phba->HCregaddr); /* flush */
193 spin_unlock_irq(phba->host->host_lock);
194 }
195 }
196
197 lpfc_work_list_done (phba);
198
199}
200
201static int
202check_work_wait_done(struct lpfc_hba *phba) {
203
204 spin_lock_irq(phba->host->host_lock);
205 if (phba->work_ha ||
206 phba->work_hba_events ||
207 (!list_empty(&phba->work_list)) ||
208 kthread_should_stop()) {
209 spin_unlock_irq(phba->host->host_lock);
210 return 1;
211 } else {
212 spin_unlock_irq(phba->host->host_lock);
213 return 0;
214 }
215}
216
217int
218lpfc_do_work(void *p)
219{
220 struct lpfc_hba *phba = p;
221 int rc;
222 DECLARE_WAIT_QUEUE_HEAD(work_waitq);
223
224 set_user_nice(current, -20);
225 phba->work_wait = &work_waitq;
226
227 while (1) {
228
229 rc = wait_event_interruptible(work_waitq,
230 check_work_wait_done(phba));
231 BUG_ON(rc);
232
233 if (kthread_should_stop())
234 break;
235
236 lpfc_work_done(phba);
237
238 }
239 phba->work_wait = NULL;
240 return 0;
241}
242
243/*
244 * This is only called to handle FC worker events. Since this a rare
245 * occurance, we allocate a struct lpfc_work_evt structure here instead of
246 * embedding it in the IOCB.
247 */
248int
249lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
250 uint32_t evt)
251{
252 struct lpfc_work_evt *evtp;
253
254 /*
255 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
256 * be queued to worker thread for processing
257 */
258 evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
259 if (!evtp)
260 return 0;
261
262 evtp->evt_arg1 = arg1;
263 evtp->evt_arg2 = arg2;
264 evtp->evt = evt;
265
266 list_add_tail(&evtp->evt_listp, &phba->work_list);
267 spin_lock_irq(phba->host->host_lock);
268 if (phba->work_wait)
269 wake_up(phba->work_wait);
270 spin_unlock_irq(phba->host->host_lock);
271
272 return 1;
273}
274
275int
276lpfc_linkdown(struct lpfc_hba * phba)
277{
278 struct lpfc_sli *psli;
279 struct lpfc_nodelist *ndlp, *next_ndlp;
280 struct list_head *listp;
281 struct list_head *node_list[7];
282 LPFC_MBOXQ_t *mb;
283 int rc, i;
284
285 psli = &phba->sli;
286
287 spin_lock_irq(phba->host->host_lock);
288 phba->hba_state = LPFC_LINK_DOWN;
289 spin_unlock_irq(phba->host->host_lock);
290
291 /* Clean up any firmware default rpi's */
292 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
293 lpfc_unreg_did(phba, 0xffffffff, mb);
294 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
295 if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
296 == MBX_NOT_FINISHED) {
297 mempool_free( mb, phba->mbox_mem_pool);
298 }
299 }
300
301 /* Cleanup any outstanding RSCN activity */
302 lpfc_els_flush_rscn(phba);
303
304 /* Cleanup any outstanding ELS commands */
305 lpfc_els_flush_cmd(phba);
306
307 /* Issue a LINK DOWN event to all nodes */
308 node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
309 node_list[1] = &phba->fc_nlpmap_list;
310 node_list[2] = &phba->fc_nlpunmap_list;
311 node_list[3] = &phba->fc_prli_list;
312 node_list[4] = &phba->fc_reglogin_list;
313 node_list[5] = &phba->fc_adisc_list;
314 node_list[6] = &phba->fc_plogi_list;
315 for (i = 0; i < 7; i++) {
316 listp = node_list[i];
317 if (list_empty(listp))
318 continue;
319
320 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
321 /* Fabric nodes are not handled thru state machine for
322 link down */
323 if (ndlp->nlp_type & NLP_FABRIC) {
324 /* Remove ALL Fabric nodes except Fabric_DID */
325 if (ndlp->nlp_DID != Fabric_DID) {
326 /* Take it off current list and free */
327 lpfc_nlp_list(phba, ndlp,
328 NLP_NO_LIST);
329 }
330 }
331 else {
332
333 rc = lpfc_disc_state_machine(phba, ndlp, NULL,
334 NLP_EVT_DEVICE_RECOVERY);
335
336 /* Check config parameter use-adisc or FCP-2 */
337 if ((rc != NLP_STE_FREED_NODE) &&
338 (phba->cfg_use_adisc == 0) &&
339 !(ndlp->nlp_fcp_info &
340 NLP_FCP_2_DEVICE)) {
341 /* We know we will have to relogin, so
342 * unreglogin the rpi right now to fail
343 * any outstanding I/Os quickly.
344 */
345 lpfc_unreg_rpi(phba, ndlp);
346 }
347 }
348 }
349 }
350
351 /* free any ndlp's on unused list */
352 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
353 nlp_listp) {
354 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
355 }
356
357 /* Setup myDID for link up if we are in pt2pt mode */
358 if (phba->fc_flag & FC_PT2PT) {
359 phba->fc_myDID = 0;
360 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
361 lpfc_config_link(phba, mb);
362 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
363 if (lpfc_sli_issue_mbox
364 (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
365 == MBX_NOT_FINISHED) {
366 mempool_free( mb, phba->mbox_mem_pool);
367 }
368 }
369 spin_lock_irq(phba->host->host_lock);
370 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
371 spin_unlock_irq(phba->host->host_lock);
372 }
373 spin_lock_irq(phba->host->host_lock);
374 phba->fc_flag &= ~FC_LBIT;
375 spin_unlock_irq(phba->host->host_lock);
376
377 /* Turn off discovery timer if its running */
378 lpfc_can_disctmo(phba);
379
380 /* Must process IOCBs on all rings to handle ABORTed I/Os */
381 return (0);
382}
383
384static int
385lpfc_linkup(struct lpfc_hba * phba)
386{
387 struct lpfc_nodelist *ndlp, *next_ndlp;
388
389 spin_lock_irq(phba->host->host_lock);
390 phba->hba_state = LPFC_LINK_UP;
391 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
392 FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
393 phba->fc_flag |= FC_NDISC_ACTIVE;
394 phba->fc_ns_retry = 0;
395 spin_unlock_irq(phba->host->host_lock);
396
397
398 /*
399 * Clean up old Fabric NLP_FABRIC logins.
400 */
401 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
402 nlp_listp) {
403 if (ndlp->nlp_DID == Fabric_DID) {
404 /* Take it off current list and free */
405 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
406 }
407 }
408
409 /* free any ndlp's on unused list */
410 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
411 nlp_listp) {
412 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
413 }
414
415 return 0;
416}
417
418/*
419 * This routine handles processing a CLEAR_LA mailbox
420 * command upon completion. It is setup in the LPFC_MBOXQ
421 * as the completion routine when the command is
422 * handed off to the SLI layer.
423 */
424void
425lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
426{
427 struct lpfc_sli *psli;
428 MAILBOX_t *mb;
429 uint32_t control;
430
431 psli = &phba->sli;
432 mb = &pmb->mb;
433 /* Since we don't do discovery right now, turn these off here */
434 psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
435 psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
436 psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
437
438 /* Check for error */
439 if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
440 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
441 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
442 "%d:0320 CLEAR_LA mbxStatus error x%x hba "
443 "state x%x\n",
444 phba->brd_no, mb->mbxStatus, phba->hba_state);
445
446 phba->hba_state = LPFC_HBA_ERROR;
447 goto out;
448 }
449
450 if (phba->fc_flag & FC_ABORT_DISCOVERY)
451 goto out;
452
453 phba->num_disc_nodes = 0;
454 /* go thru NPR list and issue ELS PLOGIs */
455 if (phba->fc_npr_cnt) {
456 lpfc_els_disc_plogi(phba);
457 }
458
459 if(!phba->num_disc_nodes) {
460 spin_lock_irq(phba->host->host_lock);
461 phba->fc_flag &= ~FC_NDISC_ACTIVE;
462 spin_unlock_irq(phba->host->host_lock);
463 }
464
465 phba->hba_state = LPFC_HBA_READY;
466
467out:
468 /* Device Discovery completes */
469 lpfc_printf_log(phba,
470 KERN_INFO,
471 LOG_DISCOVERY,
472 "%d:0225 Device Discovery completes\n",
473 phba->brd_no);
474
475 mempool_free( pmb, phba->mbox_mem_pool);
476
477 spin_lock_irq(phba->host->host_lock);
478 phba->fc_flag &= ~FC_ABORT_DISCOVERY;
479 if (phba->fc_flag & FC_ESTABLISH_LINK) {
480 phba->fc_flag &= ~FC_ESTABLISH_LINK;
481 }
482 spin_unlock_irq(phba->host->host_lock);
483
484 del_timer_sync(&phba->fc_estabtmo);
485
486 lpfc_can_disctmo(phba);
487
488 /* turn on Link Attention interrupts */
489 spin_lock_irq(phba->host->host_lock);
490 psli->sli_flag |= LPFC_PROCESS_LA;
491 control = readl(phba->HCregaddr);
492 control |= HC_LAINT_ENA;
493 writel(control, phba->HCregaddr);
494 readl(phba->HCregaddr); /* flush */
495 spin_unlock_irq(phba->host->host_lock);
496
497 return;
498}
499
500static void
501lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
502{
503 struct lpfc_sli *psli;
504 MAILBOX_t *mb;
505
506 psli = &phba->sli;
507 mb = &pmb->mb;
508 /* Check for error */
509 if (mb->mbxStatus) {
510 /* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */
511 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
512 "%d:0306 CONFIG_LINK mbxStatus error x%x "
513 "HBA state x%x\n",
514 phba->brd_no, mb->mbxStatus, phba->hba_state);
515
516 lpfc_linkdown(phba);
517 phba->hba_state = LPFC_HBA_ERROR;
518 goto out;
519 }
520
521 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
522 if (phba->fc_topology == TOPOLOGY_LOOP) {
523 /* If we are public loop and L bit was set */
524 if ((phba->fc_flag & FC_PUBLIC_LOOP) &&
525 !(phba->fc_flag & FC_LBIT)) {
526 /* Need to wait for FAN - use discovery timer
527 * for timeout. hba_state is identically
528 * LPFC_LOCAL_CFG_LINK while waiting for FAN
529 */
530 lpfc_set_disctmo(phba);
531 mempool_free( pmb, phba->mbox_mem_pool);
532 return;
533 }
534 }
535
536 /* Start discovery by sending a FLOGI hba_state is identically
537 * LPFC_FLOGI while waiting for FLOGI cmpl
538 */
539 phba->hba_state = LPFC_FLOGI;
540 lpfc_set_disctmo(phba);
541 lpfc_initial_flogi(phba);
542 mempool_free( pmb, phba->mbox_mem_pool);
543 return;
544 }
545 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
546 mempool_free( pmb, phba->mbox_mem_pool);
547 return;
548 }
549
550out:
551 /* CONFIG_LINK bad hba state <hba_state> */
552 lpfc_printf_log(phba,
553 KERN_ERR,
554 LOG_DISCOVERY,
555 "%d:0200 CONFIG_LINK bad hba state x%x\n",
556 phba->brd_no, phba->hba_state);
557
558 if (phba->hba_state != LPFC_CLEAR_LA) {
559 lpfc_clear_la(phba, pmb);
560 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
561 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
562 == MBX_NOT_FINISHED) {
563 mempool_free( pmb, phba->mbox_mem_pool);
564 lpfc_disc_flush_list(phba);
565 psli->ring[(psli->ip_ring)].flag &=
566 ~LPFC_STOP_IOCB_EVENT;
567 psli->ring[(psli->fcp_ring)].flag &=
568 ~LPFC_STOP_IOCB_EVENT;
569 psli->ring[(psli->next_ring)].flag &=
570 ~LPFC_STOP_IOCB_EVENT;
571 phba->hba_state = LPFC_HBA_READY;
572 }
573 } else {
574 mempool_free( pmb, phba->mbox_mem_pool);
575 }
576 return;
577}
578
579static void
580lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
581{
582 struct lpfc_sli *psli = &phba->sli;
583 MAILBOX_t *mb = &pmb->mb;
584 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
585
586
587 /* Check for error */
588 if (mb->mbxStatus) {
589 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
590 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
591 "%d:0319 READ_SPARAM mbxStatus error x%x "
592 "hba state x%x>\n",
593 phba->brd_no, mb->mbxStatus, phba->hba_state);
594
595 lpfc_linkdown(phba);
596 phba->hba_state = LPFC_HBA_ERROR;
597 goto out;
598 }
599
600 memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
601 sizeof (struct serv_parm));
602 memcpy((uint8_t *) & phba->fc_nodename,
603 (uint8_t *) & phba->fc_sparam.nodeName,
604 sizeof (struct lpfc_name));
605 memcpy((uint8_t *) & phba->fc_portname,
606 (uint8_t *) & phba->fc_sparam.portName,
607 sizeof (struct lpfc_name));
608 lpfc_mbuf_free(phba, mp->virt, mp->phys);
609 kfree(mp);
610 mempool_free( pmb, phba->mbox_mem_pool);
611 return;
612
613out:
614 pmb->context1 = NULL;
615 lpfc_mbuf_free(phba, mp->virt, mp->phys);
616 kfree(mp);
617 if (phba->hba_state != LPFC_CLEAR_LA) {
618 lpfc_clear_la(phba, pmb);
619 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
620 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
621 == MBX_NOT_FINISHED) {
622 mempool_free( pmb, phba->mbox_mem_pool);
623 lpfc_disc_flush_list(phba);
624 psli->ring[(psli->ip_ring)].flag &=
625 ~LPFC_STOP_IOCB_EVENT;
626 psli->ring[(psli->fcp_ring)].flag &=
627 ~LPFC_STOP_IOCB_EVENT;
628 psli->ring[(psli->next_ring)].flag &=
629 ~LPFC_STOP_IOCB_EVENT;
630 phba->hba_state = LPFC_HBA_READY;
631 }
632 } else {
633 mempool_free( pmb, phba->mbox_mem_pool);
634 }
635 return;
636}
637
638static void
639lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
640{
641 int i;
642 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
643 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
644 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
645
646 spin_lock_irq(phba->host->host_lock);
647 switch(la->UlnkSpeed) {
648 case LA_1GHZ_LINK:
649 phba->fc_linkspeed = LA_1GHZ_LINK;
650 break;
651 case LA_2GHZ_LINK:
652 phba->fc_linkspeed = LA_2GHZ_LINK;
653 break;
654 case LA_4GHZ_LINK:
655 phba->fc_linkspeed = LA_4GHZ_LINK;
656 break;
657 default:
658 phba->fc_linkspeed = LA_UNKNW_LINK;
659 break;
660 }
661
662 phba->fc_topology = la->topology;
663
664 if (phba->fc_topology == TOPOLOGY_LOOP) {
665 /* Get Loop Map information */
666
667 if (la->il)
668 phba->fc_flag |= FC_LBIT;
669
670 phba->fc_myDID = la->granted_AL_PA;
671 i = la->un.lilpBde64.tus.f.bdeSize;
672
673 if (i == 0) {
674 phba->alpa_map[0] = 0;
675 } else {
676 if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
677 int numalpa, j, k;
678 union {
679 uint8_t pamap[16];
680 struct {
681 uint32_t wd1;
682 uint32_t wd2;
683 uint32_t wd3;
684 uint32_t wd4;
685 } pa;
686 } un;
687 numalpa = phba->alpa_map[0];
688 j = 0;
689 while (j < numalpa) {
690 memset(un.pamap, 0, 16);
691 for (k = 1; j < numalpa; k++) {
692 un.pamap[k - 1] =
693 phba->alpa_map[j + 1];
694 j++;
695 if (k == 16)
696 break;
697 }
698 /* Link Up Event ALPA map */
699 lpfc_printf_log(phba,
700 KERN_WARNING,
701 LOG_LINK_EVENT,
702 "%d:1304 Link Up Event "
703 "ALPA map Data: x%x "
704 "x%x x%x x%x\n",
705 phba->brd_no,
706 un.pa.wd1, un.pa.wd2,
707 un.pa.wd3, un.pa.wd4);
708 }
709 }
710 }
711 } else {
712 phba->fc_myDID = phba->fc_pref_DID;
713 phba->fc_flag |= FC_LBIT;
714 }
715 spin_unlock_irq(phba->host->host_lock);
716
717 lpfc_linkup(phba);
718 if (sparam_mbox) {
719 lpfc_read_sparam(phba, sparam_mbox);
720 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
721 lpfc_sli_issue_mbox(phba, sparam_mbox,
722 (MBX_NOWAIT | MBX_STOP_IOCB));
723 }
724
725 if (cfglink_mbox) {
726 phba->hba_state = LPFC_LOCAL_CFG_LINK;
727 lpfc_config_link(phba, cfglink_mbox);
728 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
729 lpfc_sli_issue_mbox(phba, cfglink_mbox,
730 (MBX_NOWAIT | MBX_STOP_IOCB));
731 }
732}
733
734static void
735lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
736 uint32_t control;
737 struct lpfc_sli *psli = &phba->sli;
738
739 lpfc_linkdown(phba);
740
741 /* turn on Link Attention interrupts - no CLEAR_LA needed */
742 spin_lock_irq(phba->host->host_lock);
743 psli->sli_flag |= LPFC_PROCESS_LA;
744 control = readl(phba->HCregaddr);
745 control |= HC_LAINT_ENA;
746 writel(control, phba->HCregaddr);
747 readl(phba->HCregaddr); /* flush */
748 spin_unlock_irq(phba->host->host_lock);
749}
750
751/*
752 * This routine handles processing a READ_LA mailbox
753 * command upon completion. It is setup in the LPFC_MBOXQ
754 * as the completion routine when the command is
755 * handed off to the SLI layer.
756 */
757void
758lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
759{
760 READ_LA_VAR *la;
761 MAILBOX_t *mb = &pmb->mb;
762 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
763
764 /* Check for error */
765 if (mb->mbxStatus) {
766 lpfc_printf_log(phba,
767 KERN_INFO,
768 LOG_LINK_EVENT,
769 "%d:1307 READ_LA mbox error x%x state x%x\n",
770 phba->brd_no,
771 mb->mbxStatus, phba->hba_state);
772 lpfc_mbx_issue_link_down(phba);
773 phba->hba_state = LPFC_HBA_ERROR;
774 goto lpfc_mbx_cmpl_read_la_free_mbuf;
775 }
776
777 la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
778
779 memcpy(&phba->alpa_map[0], mp->virt, 128);
780
781 if (((phba->fc_eventTag + 1) < la->eventTag) ||
782 (phba->fc_eventTag == la->eventTag)) {
783 phba->fc_stat.LinkMultiEvent++;
784 if (la->attType == AT_LINK_UP) {
785 if (phba->fc_eventTag != 0)
786 lpfc_linkdown(phba);
787 }
788 }
789
790 phba->fc_eventTag = la->eventTag;
791
792 if (la->attType == AT_LINK_UP) {
793 phba->fc_stat.LinkUp++;
794 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
795 "%d:1303 Link Up Event x%x received "
796 "Data: x%x x%x x%x x%x\n",
797 phba->brd_no, la->eventTag, phba->fc_eventTag,
798 la->granted_AL_PA, la->UlnkSpeed,
799 phba->alpa_map[0]);
800 lpfc_mbx_process_link_up(phba, la);
801 } else {
802 phba->fc_stat.LinkDown++;
803 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
804 "%d:1305 Link Down Event x%x received "
805 "Data: x%x x%x x%x\n",
806 phba->brd_no, la->eventTag, phba->fc_eventTag,
807 phba->hba_state, phba->fc_flag);
808 lpfc_mbx_issue_link_down(phba);
809 }
810
811lpfc_mbx_cmpl_read_la_free_mbuf:
812 lpfc_mbuf_free(phba, mp->virt, mp->phys);
813 kfree(mp);
814 mempool_free(pmb, phba->mbox_mem_pool);
815 return;
816}
817
818/*
819 * This routine handles processing a REG_LOGIN mailbox
820 * command upon completion. It is setup in the LPFC_MBOXQ
821 * as the completion routine when the command is
822 * handed off to the SLI layer.
823 */
824void
825lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
826{
827 struct lpfc_sli *psli;
828 MAILBOX_t *mb;
829 struct lpfc_dmabuf *mp;
830 struct lpfc_nodelist *ndlp;
831
832 psli = &phba->sli;
833 mb = &pmb->mb;
834
835 ndlp = (struct lpfc_nodelist *) pmb->context2;
836 mp = (struct lpfc_dmabuf *) (pmb->context1);
837
838 pmb->context1 = NULL;
839
840 /* Good status, call state machine */
841 lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
842 lpfc_mbuf_free(phba, mp->virt, mp->phys);
843 kfree(mp);
844 mempool_free( pmb, phba->mbox_mem_pool);
845
846 return;
847}
848
849/*
850 * This routine handles processing a Fabric REG_LOGIN mailbox
851 * command upon completion. It is setup in the LPFC_MBOXQ
852 * as the completion routine when the command is
853 * handed off to the SLI layer.
854 */
855void
856lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
857{
858 struct lpfc_sli *psli;
859 MAILBOX_t *mb;
860 struct lpfc_dmabuf *mp;
861 struct lpfc_nodelist *ndlp;
862 struct lpfc_nodelist *ndlp_fdmi;
863
864
865 psli = &phba->sli;
866 mb = &pmb->mb;
867
868 ndlp = (struct lpfc_nodelist *) pmb->context2;
869 mp = (struct lpfc_dmabuf *) (pmb->context1);
870
871 if (mb->mbxStatus) {
872 lpfc_mbuf_free(phba, mp->virt, mp->phys);
873 kfree(mp);
874 mempool_free( pmb, phba->mbox_mem_pool);
875 mempool_free( ndlp, phba->nlp_mem_pool);
876
877 /* FLOGI failed, so just use loop map to make discovery list */
878 lpfc_disc_list_loopmap(phba);
879
880 /* Start discovery */
881 lpfc_disc_start(phba);
882 return;
883 }
884
885 pmb->context1 = NULL;
886
887 if (ndlp->nlp_rpi != 0)
888 lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
889 ndlp->nlp_rpi = mb->un.varWords[0];
890 lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
891 ndlp->nlp_type |= NLP_FABRIC;
892 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
893 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
894
895 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
896 /* This NPort has been assigned an NPort_ID by the fabric as a
897 * result of the completed fabric login. Issue a State Change
898 * Registration (SCR) ELS request to the fabric controller
899 * (SCR_DID) so that this NPort gets RSCN events from the
900 * fabric.
901 */
902 lpfc_issue_els_scr(phba, SCR_DID, 0);
903
904 /* Allocate a new node instance. If the pool is empty, just
905 * start the discovery process and skip the Nameserver login
906 * process. This is attempted again later on. Otherwise, issue
907 * a Port Login (PLOGI) to the NameServer
908 */
909 if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
910 == 0) {
911 lpfc_disc_start(phba);
912 } else {
913 lpfc_nlp_init(phba, ndlp, NameServer_DID);
914 ndlp->nlp_type |= NLP_FABRIC;
915 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
916 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
917 lpfc_issue_els_plogi(phba, ndlp, 0);
918 if (phba->cfg_fdmi_on) {
919 if ((ndlp_fdmi = mempool_alloc(
920 phba->nlp_mem_pool,
921 GFP_KERNEL))) {
922 lpfc_nlp_init(phba, ndlp_fdmi,
923 FDMI_DID);
924 ndlp_fdmi->nlp_type |= NLP_FABRIC;
925 ndlp_fdmi->nlp_state =
926 NLP_STE_PLOGI_ISSUE;
927 lpfc_issue_els_plogi(phba, ndlp_fdmi,
928 0);
929 }
930 }
931 }
932 }
933
934 lpfc_mbuf_free(phba, mp->virt, mp->phys);
935 kfree(mp);
936 mempool_free( pmb, phba->mbox_mem_pool);
937
938 return;
939}
940
941/*
942 * This routine handles processing a NameServer REG_LOGIN mailbox
943 * command upon completion. It is setup in the LPFC_MBOXQ
944 * as the completion routine when the command is
945 * handed off to the SLI layer.
946 */
947void
948lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
949{
950 struct lpfc_sli *psli;
951 MAILBOX_t *mb;
952 struct lpfc_dmabuf *mp;
953 struct lpfc_nodelist *ndlp;
954
955 psli = &phba->sli;
956 mb = &pmb->mb;
957
958 ndlp = (struct lpfc_nodelist *) pmb->context2;
959 mp = (struct lpfc_dmabuf *) (pmb->context1);
960
961 if (mb->mbxStatus) {
962 lpfc_mbuf_free(phba, mp->virt, mp->phys);
963 kfree(mp);
964 mempool_free( pmb, phba->mbox_mem_pool);
965 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
966
967 /* RegLogin failed, so just use loop map to make discovery
968 list */
969 lpfc_disc_list_loopmap(phba);
970
971 /* Start discovery */
972 lpfc_disc_start(phba);
973 return;
974 }
975
976 pmb->context1 = NULL;
977
978 if (ndlp->nlp_rpi != 0)
979 lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
980 ndlp->nlp_rpi = mb->un.varWords[0];
981 lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
982 ndlp->nlp_type |= NLP_FABRIC;
983 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
984 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
985
986 if (phba->hba_state < LPFC_HBA_READY) {
987 /* Link up discovery requires Fabrib registration. */
988 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
989 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
990 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
991 }
992
993 phba->fc_ns_retry = 0;
994 /* Good status, issue CT Request to NameServer */
995 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
996 /* Cannot issue NameServer Query, so finish up discovery */
997 lpfc_disc_start(phba);
998 }
999
1000 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1001 kfree(mp);
1002 mempool_free( pmb, phba->mbox_mem_pool);
1003
1004 return;
1005}
1006
1007static void
1008lpfc_register_remote_port(struct lpfc_hba * phba,
1009 struct lpfc_nodelist * ndlp)
1010{
1011 struct fc_rport *rport;
1012 struct lpfc_rport_data *rdata;
1013 struct fc_rport_identifiers rport_ids;
1014 uint64_t wwn;
1015
1016 /* Remote port has reappeared. Re-register w/ FC transport */
1017 memcpy(&wwn, &ndlp->nlp_nodename, sizeof(uint64_t));
1018 rport_ids.node_name = be64_to_cpu(wwn);
1019 memcpy(&wwn, &ndlp->nlp_portname, sizeof(uint64_t));
1020 rport_ids.port_name = be64_to_cpu(wwn);
1021 rport_ids.port_id = ndlp->nlp_DID;
1022 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
1023 if (ndlp->nlp_type & NLP_FCP_TARGET)
1024 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
1025 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
1026 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
1027
1028 ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
1029 if (!rport) {
1030 dev_printk(KERN_WARNING, &phba->pcidev->dev,
1031 "Warning: fc_remote_port_add failed\n");
1032 return;
1033 }
1034
1035 /* initialize static port data */
1036 rport->maxframe_size = ndlp->nlp_maxframe;
1037 rport->supported_classes = ndlp->nlp_class_sup;
1038 if ((rport->scsi_target_id != -1) &&
1039 (rport->scsi_target_id < MAX_FCP_TARGET)) {
1040 ndlp->nlp_sid = rport->scsi_target_id;
1041 }
1042 rdata = rport->dd_data;
1043 rdata->pnode = ndlp;
1044
1045 return;
1046}
1047
1048int
1049lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
1050{
1051 enum { none, unmapped, mapped } rport_add = none, rport_del = none;
1052 struct lpfc_sli *psli;
1053
1054 psli = &phba->sli;
1055 /* Sanity check to ensure we are not moving to / from the same list */
1056 if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
1057 if (list != NLP_NO_LIST)
1058 return(0);
1059 }
1060
1061 switch(nlp->nlp_flag & NLP_LIST_MASK) {
1062 case NLP_NO_LIST: /* Not on any list */
1063 break;
1064 case NLP_UNUSED_LIST:
1065 phba->fc_unused_cnt--;
1066 list_del(&nlp->nlp_listp);
1067 break;
1068 case NLP_PLOGI_LIST:
1069 phba->fc_plogi_cnt--;
1070 list_del(&nlp->nlp_listp);
1071 break;
1072 case NLP_ADISC_LIST:
1073 phba->fc_adisc_cnt--;
1074 list_del(&nlp->nlp_listp);
1075 break;
1076 case NLP_REGLOGIN_LIST:
1077 phba->fc_reglogin_cnt--;
1078 list_del(&nlp->nlp_listp);
1079 break;
1080 case NLP_PRLI_LIST:
1081 phba->fc_prli_cnt--;
1082 list_del(&nlp->nlp_listp);
1083 break;
1084 case NLP_UNMAPPED_LIST:
1085 phba->fc_unmap_cnt--;
1086 list_del(&nlp->nlp_listp);
1087 spin_lock_irq(phba->host->host_lock);
1088 nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
1089 nlp->nlp_type &= ~NLP_FC_NODE;
1090 spin_unlock_irq(phba->host->host_lock);
1091 phba->nport_event_cnt++;
1092 if (nlp->rport)
1093 rport_del = unmapped;
1094 break;
1095 case NLP_MAPPED_LIST:
1096 phba->fc_map_cnt--;
1097 list_del(&nlp->nlp_listp);
1098 phba->nport_event_cnt++;
1099 if (nlp->rport)
1100 rport_del = mapped;
1101 break;
1102 case NLP_NPR_LIST:
1103 phba->fc_npr_cnt--;
1104 list_del(&nlp->nlp_listp);
1105 /* Stop delay tmo if taking node off NPR list */
1106 if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
1107 (list != NLP_NPR_LIST)) {
1108 spin_lock_irq(phba->host->host_lock);
1109 nlp->nlp_flag &= ~NLP_DELAY_TMO;
1110 spin_unlock_irq(phba->host->host_lock);
1111 del_timer_sync(&nlp->nlp_delayfunc);
1112 if (!list_empty(&nlp->els_retry_evt.evt_listp))
1113 list_del_init(&nlp->els_retry_evt.evt_listp);
1114 }
1115 break;
1116 }
1117
1118 spin_lock_irq(phba->host->host_lock);
1119 nlp->nlp_flag &= ~NLP_LIST_MASK;
1120 spin_unlock_irq(phba->host->host_lock);
1121
1122 /* Add NPort <did> to <num> list */
1123 lpfc_printf_log(phba,
1124 KERN_INFO,
1125 LOG_NODE,
1126 "%d:0904 Add NPort x%x to %d list Data: x%x\n",
1127 phba->brd_no,
1128 nlp->nlp_DID, list, nlp->nlp_flag);
1129
1130 switch(list) {
1131 case NLP_NO_LIST: /* No list, just remove it */
1132 lpfc_nlp_remove(phba, nlp);
1133 break;
1134 case NLP_UNUSED_LIST:
1135 spin_lock_irq(phba->host->host_lock);
1136 nlp->nlp_flag |= list;
1137 spin_unlock_irq(phba->host->host_lock);
1138 /* Put it at the end of the unused list */
1139 list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
1140 phba->fc_unused_cnt++;
1141 break;
1142 case NLP_PLOGI_LIST:
1143 spin_lock_irq(phba->host->host_lock);
1144 nlp->nlp_flag |= list;
1145 spin_unlock_irq(phba->host->host_lock);
1146 /* Put it at the end of the plogi list */
1147 list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
1148 phba->fc_plogi_cnt++;
1149 break;
1150 case NLP_ADISC_LIST:
1151 spin_lock_irq(phba->host->host_lock);
1152 nlp->nlp_flag |= list;
1153 spin_unlock_irq(phba->host->host_lock);
1154 /* Put it at the end of the adisc list */
1155 list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
1156 phba->fc_adisc_cnt++;
1157 break;
1158 case NLP_REGLOGIN_LIST:
1159 spin_lock_irq(phba->host->host_lock);
1160 nlp->nlp_flag |= list;
1161 spin_unlock_irq(phba->host->host_lock);
1162 /* Put it at the end of the reglogin list */
1163 list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
1164 phba->fc_reglogin_cnt++;
1165 break;
1166 case NLP_PRLI_LIST:
1167 spin_lock_irq(phba->host->host_lock);
1168 nlp->nlp_flag |= list;
1169 spin_unlock_irq(phba->host->host_lock);
1170 /* Put it at the end of the prli list */
1171 list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
1172 phba->fc_prli_cnt++;
1173 break;
1174 case NLP_UNMAPPED_LIST:
1175 rport_add = unmapped;
1176 /* ensure all vestiges of "mapped" significance are gone */
1177 nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
1178 spin_lock_irq(phba->host->host_lock);
1179 nlp->nlp_flag |= list;
1180 spin_unlock_irq(phba->host->host_lock);
1181 /* Put it at the end of the unmap list */
1182 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
1183 phba->fc_unmap_cnt++;
1184 phba->nport_event_cnt++;
1185 /* stop nodev tmo if running */
1186 if (nlp->nlp_flag & NLP_NODEV_TMO) {
1187 spin_lock_irq(phba->host->host_lock);
1188 nlp->nlp_flag &= ~NLP_NODEV_TMO;
1189 spin_unlock_irq(phba->host->host_lock);
1190 del_timer_sync(&nlp->nlp_tmofunc);
1191 if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
1192 list_del_init(&nlp->nodev_timeout_evt.
1193 evt_listp);
1194
1195 }
1196 nlp->nlp_type |= NLP_FC_NODE;
1197 break;
1198 case NLP_MAPPED_LIST:
1199 rport_add = mapped;
1200 spin_lock_irq(phba->host->host_lock);
1201 nlp->nlp_flag |= list;
1202 spin_unlock_irq(phba->host->host_lock);
1203 /* Put it at the end of the map list */
1204 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
1205 phba->fc_map_cnt++;
1206 phba->nport_event_cnt++;
1207 /* stop nodev tmo if running */
1208 if (nlp->nlp_flag & NLP_NODEV_TMO) {
1209 nlp->nlp_flag &= ~NLP_NODEV_TMO;
1210 del_timer_sync(&nlp->nlp_tmofunc);
1211 if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
1212 list_del_init(&nlp->nodev_timeout_evt.
1213 evt_listp);
1214
1215 }
1216 break;
1217 case NLP_NPR_LIST:
1218 spin_lock_irq(phba->host->host_lock);
1219 nlp->nlp_flag |= list;
1220 spin_unlock_irq(phba->host->host_lock);
1221 /* Put it at the end of the npr list */
1222 list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
1223 phba->fc_npr_cnt++;
1224
1225 /*
1226 * Sanity check for Fabric entity.
1227 * Set nodev_tmo for NPR state, for Fabric use 1 sec.
1228 */
1229 if (nlp->nlp_type & NLP_FABRIC) {
1230 mod_timer(&nlp->nlp_tmofunc, jiffies + HZ);
1231 }
1232 else {
1233 mod_timer(&nlp->nlp_tmofunc,
1234 jiffies + HZ * phba->cfg_nodev_tmo);
1235 }
1236 spin_lock_irq(phba->host->host_lock);
1237 nlp->nlp_flag |= NLP_NODEV_TMO;
1238 nlp->nlp_flag &= ~NLP_RCV_PLOGI;
1239 spin_unlock_irq(phba->host->host_lock);
1240 break;
1241 case NLP_JUST_DQ:
1242 break;
1243 }
1244
1245 /*
1246 * We make all the calls into the transport after we have
1247 * moved the node between lists. This so that we don't
1248 * release the lock while in-between lists.
1249 */
1250
1251 /* Don't upcall midlayer if we're unloading */
1252 if (!(phba->fc_flag & FC_UNLOADING)) {
1253 /*
1254 * We revalidate the rport pointer as the "add" function
1255 * may have removed the remote port.
1256 */
1257 if ((rport_del != none) && nlp->rport)
1258 fc_remote_port_block(nlp->rport);
1259
1260 if (rport_add != none) {
1261 /*
1262 * Tell the fc transport about the port, if we haven't
1263 * already. If we have, and it's a scsi entity, be
1264 * sure to unblock any attached scsi devices
1265 */
1266 if (!nlp->rport)
1267 lpfc_register_remote_port(phba, nlp);
1268 else
1269 fc_remote_port_unblock(nlp->rport);
1270
1271 /*
1272 * if we added to Mapped list, but the remote port
1273 * registration failed or assigned a target id outside
1274 * our presentable range - move the node to the
1275 * Unmapped List
1276 */
1277 if ((rport_add == mapped) &&
1278 ((!nlp->rport) ||
1279 (nlp->rport->scsi_target_id == -1) ||
1280 (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) {
1281 nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1282 spin_lock_irq(phba->host->host_lock);
1283 nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
1284 spin_unlock_irq(phba->host->host_lock);
1285 lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
1286 }
1287 }
1288 }
1289 return (0);
1290}
1291
1292/*
1293 * Start / ReStart rescue timer for Discovery / RSCN handling
1294 */
1295void
1296lpfc_set_disctmo(struct lpfc_hba * phba)
1297{
1298 uint32_t tmo;
1299
1300 tmo = ((phba->fc_ratov * 2) + 1);
1301
1302 mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
1303 spin_lock_irq(phba->host->host_lock);
1304 phba->fc_flag |= FC_DISC_TMO;
1305 spin_unlock_irq(phba->host->host_lock);
1306
1307 /* Start Discovery Timer state <hba_state> */
1308 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1309 "%d:0247 Start Discovery Timer state x%x "
1310 "Data: x%x x%lx x%x x%x\n",
1311 phba->brd_no,
1312 phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
1313 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1314
1315 return;
1316}
1317
1318/*
1319 * Cancel rescue timer for Discovery / RSCN handling
1320 */
1321int
1322lpfc_can_disctmo(struct lpfc_hba * phba)
1323{
1324 /* Turn off discovery timer if its running */
1325 if (phba->fc_flag & FC_DISC_TMO) {
1326 spin_lock_irq(phba->host->host_lock);
1327 phba->fc_flag &= ~FC_DISC_TMO;
1328 spin_unlock_irq(phba->host->host_lock);
1329 del_timer_sync(&phba->fc_disctmo);
1330 phba->work_hba_events &= ~WORKER_DISC_TMO;
1331 }
1332
1333 /* Cancel Discovery Timer state <hba_state> */
1334 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1335 "%d:0248 Cancel Discovery Timer state x%x "
1336 "Data: x%x x%x x%x\n",
1337 phba->brd_no, phba->hba_state, phba->fc_flag,
1338 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1339
1340 return (0);
1341}
1342
1343/*
1344 * Check specified ring for outstanding IOCB on the SLI queue
1345 * Return true if iocb matches the specified nport
1346 */
1347int
1348lpfc_check_sli_ndlp(struct lpfc_hba * phba,
1349 struct lpfc_sli_ring * pring,
1350 struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
1351{
1352 struct lpfc_sli *psli;
1353 IOCB_t *icmd;
1354
1355 psli = &phba->sli;
1356 icmd = &iocb->iocb;
1357 if (pring->ringno == LPFC_ELS_RING) {
1358 switch (icmd->ulpCommand) {
1359 case CMD_GEN_REQUEST64_CR:
1360 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
1361 return (1);
1362 case CMD_ELS_REQUEST64_CR:
1363 case CMD_XMIT_ELS_RSP64_CX:
1364 if (iocb->context1 == (uint8_t *) ndlp)
1365 return (1);
1366 }
1367 } else if (pring->ringno == psli->ip_ring) {
1368
1369 } else if (pring->ringno == psli->fcp_ring) {
1370 /* Skip match check if waiting to relogin to FCP target */
1371 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
1372 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
1373 return (0);
1374 }
1375 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
1376 return (1);
1377 }
1378 } else if (pring->ringno == psli->next_ring) {
1379
1380 }
1381 return (0);
1382}
1383
1384/*
1385 * Free resources / clean up outstanding I/Os
1386 * associated with nlp_rpi in the LPFC_NODELIST entry.
1387 */
1388static int
1389lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1390{
1391 struct lpfc_sli *psli;
1392 struct lpfc_sli_ring *pring;
1393 struct lpfc_iocbq *iocb, *next_iocb;
1394 IOCB_t *icmd;
1395 uint32_t rpi, i;
1396
1397 /*
1398 * Everything that matches on txcmplq will be returned
1399 * by firmware with a no rpi error.
1400 */
1401 psli = &phba->sli;
1402 rpi = ndlp->nlp_rpi;
1403 if (rpi) {
1404 /* Now process each ring */
1405 for (i = 0; i < psli->num_rings; i++) {
1406 pring = &psli->ring[i];
1407
1408 spin_lock_irq(phba->host->host_lock);
1409 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
1410 list) {
1411 /*
1412 * Check to see if iocb matches the nport we are
1413 * looking for
1414 */
1415 if ((lpfc_check_sli_ndlp
1416 (phba, pring, iocb, ndlp))) {
1417 /* It matches, so deque and call compl
1418 with an error */
1419 list_del(&iocb->list);
1420 pring->txq_cnt--;
1421 if (iocb->iocb_cmpl) {
1422 icmd = &iocb->iocb;
1423 icmd->ulpStatus =
1424 IOSTAT_LOCAL_REJECT;
1425 icmd->un.ulpWord[4] =
1426 IOERR_SLI_ABORTED;
1427 spin_unlock_irq(phba->host->
1428 host_lock);
1429 (iocb->iocb_cmpl) (phba,
1430 iocb, iocb);
1431 spin_lock_irq(phba->host->
1432 host_lock);
1433 } else {
1434 list_add_tail(&iocb->list,
1435 &phba->lpfc_iocb_list);
1436 }
1437 }
1438 }
1439 spin_unlock_irq(phba->host->host_lock);
1440
1441 }
1442 }
1443 return (0);
1444}
1445
1446/*
1447 * Free rpi associated with LPFC_NODELIST entry.
1448 * This routine is called from lpfc_freenode(), when we are removing
1449 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1450 * LOGO that completes successfully, and we are waiting to PLOGI back
1451 * to the remote NPort. In addition, it is called after we receive
1452 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1453 * we are waiting to PLOGI back to the remote NPort.
1454 */
1455int
1456lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1457{
1458 LPFC_MBOXQ_t *mbox;
1459 int rc;
1460
1461 if (ndlp->nlp_rpi) {
1462 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1463 lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
1464 mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
1465 rc = lpfc_sli_issue_mbox
1466 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
1467 if (rc == MBX_NOT_FINISHED)
1468 mempool_free( mbox, phba->mbox_mem_pool);
1469 }
1470 lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
1471 lpfc_no_rpi(phba, ndlp);
1472 ndlp->nlp_rpi = 0;
1473 return 1;
1474 }
1475 return 0;
1476}
1477
1478/*
1479 * Free resources associated with LPFC_NODELIST entry
1480 * so it can be freed.
1481 */
1482static int
1483lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1484{
1485 LPFC_MBOXQ_t *mb;
1486 LPFC_MBOXQ_t *nextmb;
1487 struct lpfc_dmabuf *mp;
1488 struct fc_rport *rport;
1489
1490 /* Cleanup node for NPort <nlp_DID> */
1491 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1492 "%d:0900 Cleanup node for NPort x%x "
1493 "Data: x%x x%x x%x\n",
1494 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1495 ndlp->nlp_state, ndlp->nlp_rpi);
1496
1497 lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
1498
1499 /*
1500 * if unloading the driver - just leave the remote port in place.
1501 * The driver unload will force the attached devices to detach
1502 * and flush cache's w/o generating flush errors.
1503 */
1504 if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
1505 rport = ndlp->rport;
1506 ndlp->rport = NULL;
1507 fc_remote_port_unblock(rport);
1508 fc_remote_port_delete(rport);
1509 ndlp->nlp_sid = NLP_NO_SID;
1510 }
1511
1512 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1513 if ((mb = phba->sli.mbox_active)) {
1514 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1515 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1516 mb->context2 = NULL;
1517 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1518 }
1519 }
1520 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
1521 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1522 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1523 mp = (struct lpfc_dmabuf *) (mb->context1);
1524 if (mp) {
1525 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1526 kfree(mp);
1527 }
1528 list_del(&mb->list);
1529 mempool_free(mb, phba->mbox_mem_pool);
1530 }
1531 }
1532
1533 lpfc_els_abort(phba,ndlp,0);
1534 spin_lock_irq(phba->host->host_lock);
1535 ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO);
1536 spin_unlock_irq(phba->host->host_lock);
1537 del_timer_sync(&ndlp->nlp_tmofunc);
1538
1539 del_timer_sync(&ndlp->nlp_delayfunc);
1540
1541 if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
1542 list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
1543 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1544 list_del_init(&ndlp->els_retry_evt.evt_listp);
1545
1546 lpfc_unreg_rpi(phba, ndlp);
1547
1548 return (0);
1549}
1550
1551/*
1552 * Check to see if we can free the nlp back to the freelist.
1553 * If we are in the middle of using the nlp in the discovery state
1554 * machine, defer the free till we reach the end of the state machine.
1555 */
1556int
1557lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1558{
1559 if (ndlp->nlp_flag & NLP_NODEV_TMO) {
1560 spin_lock_irq(phba->host->host_lock);
1561 ndlp->nlp_flag &= ~NLP_NODEV_TMO;
1562 spin_unlock_irq(phba->host->host_lock);
1563 del_timer_sync(&ndlp->nlp_tmofunc);
1564 if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
1565 list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
1566
1567 }
1568
1569
1570 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1571 spin_lock_irq(phba->host->host_lock);
1572 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1573 spin_unlock_irq(phba->host->host_lock);
1574 del_timer_sync(&ndlp->nlp_delayfunc);
1575 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1576 list_del_init(&ndlp->els_retry_evt.evt_listp);
1577 }
1578
1579 if (ndlp->nlp_disc_refcnt) {
1580 spin_lock_irq(phba->host->host_lock);
1581 ndlp->nlp_flag |= NLP_DELAY_REMOVE;
1582 spin_unlock_irq(phba->host->host_lock);
1583 }
1584 else {
1585 lpfc_freenode(phba, ndlp);
1586 mempool_free( ndlp, phba->nlp_mem_pool);
1587 }
1588 return(0);
1589}
1590
1591static int
1592lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
1593{
1594 D_ID mydid;
1595 D_ID ndlpdid;
1596 D_ID matchdid;
1597
1598 if (did == Bcast_DID)
1599 return (0);
1600
1601 if (ndlp->nlp_DID == 0) {
1602 return (0);
1603 }
1604
1605 /* First check for Direct match */
1606 if (ndlp->nlp_DID == did)
1607 return (1);
1608
1609 /* Next check for area/domain identically equals 0 match */
1610 mydid.un.word = phba->fc_myDID;
1611 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
1612 return (0);
1613 }
1614
1615 matchdid.un.word = did;
1616 ndlpdid.un.word = ndlp->nlp_DID;
1617 if (matchdid.un.b.id == ndlpdid.un.b.id) {
1618 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
1619 (mydid.un.b.area == matchdid.un.b.area)) {
1620 if ((ndlpdid.un.b.domain == 0) &&
1621 (ndlpdid.un.b.area == 0)) {
1622 if (ndlpdid.un.b.id)
1623 return (1);
1624 }
1625 return (0);
1626 }
1627
1628 matchdid.un.word = ndlp->nlp_DID;
1629 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
1630 (mydid.un.b.area == ndlpdid.un.b.area)) {
1631 if ((matchdid.un.b.domain == 0) &&
1632 (matchdid.un.b.area == 0)) {
1633 if (matchdid.un.b.id)
1634 return (1);
1635 }
1636 }
1637 }
1638 return (0);
1639}
1640
1641/* Search for a nodelist entry on a specific list */
1642struct lpfc_nodelist *
1643lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
1644{
1645 struct lpfc_nodelist *ndlp, *next_ndlp;
1646 uint32_t data1;
1647
1648 if (order & NLP_SEARCH_UNMAPPED) {
1649 list_for_each_entry_safe(ndlp, next_ndlp,
1650 &phba->fc_nlpunmap_list, nlp_listp) {
1651 if (lpfc_matchdid(phba, ndlp, did)) {
1652 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1653 ((uint32_t) ndlp->nlp_xri << 16) |
1654 ((uint32_t) ndlp->nlp_type << 8) |
1655 ((uint32_t) ndlp->nlp_rpi & 0xff));
1656 /* FIND node DID unmapped */
1657 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1658 "%d:0929 FIND node DID unmapped"
1659 " Data: x%p x%x x%x x%x\n",
1660 phba->brd_no,
1661 ndlp, ndlp->nlp_DID,
1662 ndlp->nlp_flag, data1);
1663 return (ndlp);
1664 }
1665 }
1666 }
1667
1668 if (order & NLP_SEARCH_MAPPED) {
1669 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1670 nlp_listp) {
1671 if (lpfc_matchdid(phba, ndlp, did)) {
1672
1673 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1674 ((uint32_t) ndlp->nlp_xri << 16) |
1675 ((uint32_t) ndlp->nlp_type << 8) |
1676 ((uint32_t) ndlp->nlp_rpi & 0xff));
1677 /* FIND node DID mapped */
1678 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1679 "%d:0930 FIND node DID mapped "
1680 "Data: x%p x%x x%x x%x\n",
1681 phba->brd_no,
1682 ndlp, ndlp->nlp_DID,
1683 ndlp->nlp_flag, data1);
1684 return (ndlp);
1685 }
1686 }
1687 }
1688
1689 if (order & NLP_SEARCH_PLOGI) {
1690 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1691 nlp_listp) {
1692 if (lpfc_matchdid(phba, ndlp, did)) {
1693
1694 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1695 ((uint32_t) ndlp->nlp_xri << 16) |
1696 ((uint32_t) ndlp->nlp_type << 8) |
1697 ((uint32_t) ndlp->nlp_rpi & 0xff));
1698 /* LOG change to PLOGI */
1699 /* FIND node DID plogi */
1700 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1701 "%d:0908 FIND node DID plogi "
1702 "Data: x%p x%x x%x x%x\n",
1703 phba->brd_no,
1704 ndlp, ndlp->nlp_DID,
1705 ndlp->nlp_flag, data1);
1706 return (ndlp);
1707 }
1708 }
1709 }
1710
1711 if (order & NLP_SEARCH_ADISC) {
1712 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1713 nlp_listp) {
1714 if (lpfc_matchdid(phba, ndlp, did)) {
1715
1716 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1717 ((uint32_t) ndlp->nlp_xri << 16) |
1718 ((uint32_t) ndlp->nlp_type << 8) |
1719 ((uint32_t) ndlp->nlp_rpi & 0xff));
1720 /* LOG change to ADISC */
1721 /* FIND node DID adisc */
1722 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1723 "%d:0931 FIND node DID adisc "
1724 "Data: x%p x%x x%x x%x\n",
1725 phba->brd_no,
1726 ndlp, ndlp->nlp_DID,
1727 ndlp->nlp_flag, data1);
1728 return (ndlp);
1729 }
1730 }
1731 }
1732
1733 if (order & NLP_SEARCH_REGLOGIN) {
1734 list_for_each_entry_safe(ndlp, next_ndlp,
1735 &phba->fc_reglogin_list, nlp_listp) {
1736 if (lpfc_matchdid(phba, ndlp, did)) {
1737
1738 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1739 ((uint32_t) ndlp->nlp_xri << 16) |
1740 ((uint32_t) ndlp->nlp_type << 8) |
1741 ((uint32_t) ndlp->nlp_rpi & 0xff));
1742 /* LOG change to REGLOGIN */
1743 /* FIND node DID reglogin */
1744 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1745 "%d:0931 FIND node DID reglogin"
1746 " Data: x%p x%x x%x x%x\n",
1747 phba->brd_no,
1748 ndlp, ndlp->nlp_DID,
1749 ndlp->nlp_flag, data1);
1750 return (ndlp);
1751 }
1752 }
1753 }
1754
1755 if (order & NLP_SEARCH_PRLI) {
1756 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1757 nlp_listp) {
1758 if (lpfc_matchdid(phba, ndlp, did)) {
1759
1760 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1761 ((uint32_t) ndlp->nlp_xri << 16) |
1762 ((uint32_t) ndlp->nlp_type << 8) |
1763 ((uint32_t) ndlp->nlp_rpi & 0xff));
1764 /* LOG change to PRLI */
1765 /* FIND node DID prli */
1766 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1767 "%d:0931 FIND node DID prli "
1768 "Data: x%p x%x x%x x%x\n",
1769 phba->brd_no,
1770 ndlp, ndlp->nlp_DID,
1771 ndlp->nlp_flag, data1);
1772 return (ndlp);
1773 }
1774 }
1775 }
1776
1777 if (order & NLP_SEARCH_NPR) {
1778 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1779 nlp_listp) {
1780 if (lpfc_matchdid(phba, ndlp, did)) {
1781
1782 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1783 ((uint32_t) ndlp->nlp_xri << 16) |
1784 ((uint32_t) ndlp->nlp_type << 8) |
1785 ((uint32_t) ndlp->nlp_rpi & 0xff));
1786 /* LOG change to NPR */
1787 /* FIND node DID npr */
1788 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1789 "%d:0931 FIND node DID npr "
1790 "Data: x%p x%x x%x x%x\n",
1791 phba->brd_no,
1792 ndlp, ndlp->nlp_DID,
1793 ndlp->nlp_flag, data1);
1794 return (ndlp);
1795 }
1796 }
1797 }
1798
1799 if (order & NLP_SEARCH_UNUSED) {
1800 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1801 nlp_listp) {
1802 if (lpfc_matchdid(phba, ndlp, did)) {
1803
1804 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1805 ((uint32_t) ndlp->nlp_xri << 16) |
1806 ((uint32_t) ndlp->nlp_type << 8) |
1807 ((uint32_t) ndlp->nlp_rpi & 0xff));
1808 /* LOG change to UNUSED */
1809 /* FIND node DID unused */
1810 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1811 "%d:0931 FIND node DID unused "
1812 "Data: x%p x%x x%x x%x\n",
1813 phba->brd_no,
1814 ndlp, ndlp->nlp_DID,
1815 ndlp->nlp_flag, data1);
1816 return (ndlp);
1817 }
1818 }
1819 }
1820
1821 /* FIND node did <did> NOT FOUND */
1822 lpfc_printf_log(phba,
1823 KERN_INFO,
1824 LOG_NODE,
1825 "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
1826 phba->brd_no, did, order);
1827
1828 /* no match found */
1829 return NULL;
1830}
1831
1832struct lpfc_nodelist *
1833lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
1834{
1835 struct lpfc_nodelist *ndlp;
1836 uint32_t flg;
1837
1838 if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
1839 if ((phba->hba_state == LPFC_HBA_READY) &&
1840 ((lpfc_rscn_payload_check(phba, did) == 0)))
1841 return NULL;
1842 ndlp = (struct lpfc_nodelist *)
1843 mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1844 if (!ndlp)
1845 return NULL;
1846 lpfc_nlp_init(phba, ndlp, did);
1847 ndlp->nlp_state = NLP_STE_NPR_NODE;
1848 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1849 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1850 return ndlp;
1851 }
1852 if ((phba->hba_state == LPFC_HBA_READY) &&
1853 (phba->fc_flag & FC_RSCN_MODE)) {
1854 if (lpfc_rscn_payload_check(phba, did)) {
1855 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1856 }
1857 else {
1858 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1859 ndlp = NULL;
1860 }
1861 }
1862 else {
1863 flg = ndlp->nlp_flag & NLP_LIST_MASK;
1864 if ((flg == NLP_ADISC_LIST) ||
1865 (flg == NLP_PLOGI_LIST)) {
1866 return NULL;
1867 }
1868 ndlp->nlp_state = NLP_STE_NPR_NODE;
1869 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1870 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1871 }
1872 return ndlp;
1873}
1874
1875/* Build a list of nodes to discover based on the loopmap */
1876void
1877lpfc_disc_list_loopmap(struct lpfc_hba * phba)
1878{
1879 int j;
1880 uint32_t alpa, index;
1881
1882 if (phba->hba_state <= LPFC_LINK_DOWN) {
1883 return;
1884 }
1885 if (phba->fc_topology != TOPOLOGY_LOOP) {
1886 return;
1887 }
1888
1889 /* Check for loop map present or not */
1890 if (phba->alpa_map[0]) {
1891 for (j = 1; j <= phba->alpa_map[0]; j++) {
1892 alpa = phba->alpa_map[j];
1893
1894 if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
1895 continue;
1896 }
1897 lpfc_setup_disc_node(phba, alpa);
1898 }
1899 } else {
1900 /* No alpamap, so try all alpa's */
1901 for (j = 0; j < FC_MAXLOOP; j++) {
1902 /* If cfg_scan_down is set, start from highest
1903 * ALPA (0xef) to lowest (0x1).
1904 */
1905 if (phba->cfg_scan_down)
1906 index = j;
1907 else
1908 index = FC_MAXLOOP - j - 1;
1909 alpa = lpfcAlpaArray[index];
1910 if ((phba->fc_myDID & 0xff) == alpa) {
1911 continue;
1912 }
1913
1914 lpfc_setup_disc_node(phba, alpa);
1915 }
1916 }
1917 return;
1918}
1919
1920/* Start Link up / RSCN discovery on NPR list */
1921void
1922lpfc_disc_start(struct lpfc_hba * phba)
1923{
1924 struct lpfc_sli *psli;
1925 LPFC_MBOXQ_t *mbox;
1926 struct lpfc_nodelist *ndlp, *next_ndlp;
1927 uint32_t did_changed, num_sent;
1928 uint32_t clear_la_pending;
1929 int rc;
1930
1931 psli = &phba->sli;
1932
1933 if (phba->hba_state <= LPFC_LINK_DOWN) {
1934 return;
1935 }
1936 if (phba->hba_state == LPFC_CLEAR_LA)
1937 clear_la_pending = 1;
1938 else
1939 clear_la_pending = 0;
1940
1941 if (phba->hba_state < LPFC_HBA_READY) {
1942 phba->hba_state = LPFC_DISC_AUTH;
1943 }
1944 lpfc_set_disctmo(phba);
1945
1946 if (phba->fc_prevDID == phba->fc_myDID) {
1947 did_changed = 0;
1948 } else {
1949 did_changed = 1;
1950 }
1951 phba->fc_prevDID = phba->fc_myDID;
1952 phba->num_disc_nodes = 0;
1953
1954 /* Start Discovery state <hba_state> */
1955 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1956 "%d:0202 Start Discovery hba state x%x "
1957 "Data: x%x x%x x%x\n",
1958 phba->brd_no, phba->hba_state, phba->fc_flag,
1959 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1960
1961 /* If our did changed, we MUST do PLOGI */
1962 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1963 nlp_listp) {
1964 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1965 if (did_changed) {
1966 spin_lock_irq(phba->host->host_lock);
1967 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1968 spin_unlock_irq(phba->host->host_lock);
1969 }
1970 }
1971 }
1972
1973 /* First do ADISCs - if any */
1974 num_sent = lpfc_els_disc_adisc(phba);
1975
1976 if (num_sent)
1977 return;
1978
1979 if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
1980 /* If we get here, there is nothing to ADISC */
1981 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1982 phba->hba_state = LPFC_CLEAR_LA;
1983 lpfc_clear_la(phba, mbox);
1984 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
1985 rc = lpfc_sli_issue_mbox(phba, mbox,
1986 (MBX_NOWAIT | MBX_STOP_IOCB));
1987 if (rc == MBX_NOT_FINISHED) {
1988 mempool_free( mbox, phba->mbox_mem_pool);
1989 lpfc_disc_flush_list(phba);
1990 psli->ring[(psli->ip_ring)].flag &=
1991 ~LPFC_STOP_IOCB_EVENT;
1992 psli->ring[(psli->fcp_ring)].flag &=
1993 ~LPFC_STOP_IOCB_EVENT;
1994 psli->ring[(psli->next_ring)].flag &=
1995 ~LPFC_STOP_IOCB_EVENT;
1996 phba->hba_state = LPFC_HBA_READY;
1997 }
1998 }
1999 } else {
2000 /* Next do PLOGIs - if any */
2001 num_sent = lpfc_els_disc_plogi(phba);
2002
2003 if (num_sent)
2004 return;
2005
2006 if (phba->fc_flag & FC_RSCN_MODE) {
2007 /* Check to see if more RSCNs came in while we
2008 * were processing this one.
2009 */
2010 if ((phba->fc_rscn_id_cnt == 0) &&
2011 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
2012 spin_lock_irq(phba->host->host_lock);
2013 phba->fc_flag &= ~FC_RSCN_MODE;
2014 spin_unlock_irq(phba->host->host_lock);
2015 }
2016 else
2017 lpfc_els_handle_rscn(phba);
2018 }
2019 }
2020 return;
2021}
2022
2023/*
2024 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
2025 * ring the match the sppecified nodelist.
2026 */
2027static void
2028lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
2029{
2030 struct lpfc_sli *psli;
2031 IOCB_t *icmd;
2032 struct lpfc_iocbq *iocb, *next_iocb;
2033 struct lpfc_sli_ring *pring;
2034 struct lpfc_dmabuf *mp;
2035
2036 psli = &phba->sli;
2037 pring = &psli->ring[LPFC_ELS_RING];
2038
2039 /* Error matching iocb on txq or txcmplq
2040 * First check the txq.
2041 */
2042 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
2043 if (iocb->context1 != ndlp) {
2044 continue;
2045 }
2046 icmd = &iocb->iocb;
2047 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
2048 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
2049
2050 list_del(&iocb->list);
2051 pring->txq_cnt--;
2052 lpfc_els_free_iocb(phba, iocb);
2053 }
2054 }
2055
2056 /* Next check the txcmplq */
2057 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
2058 if (iocb->context1 != ndlp) {
2059 continue;
2060 }
2061 icmd = &iocb->iocb;
2062 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
2063 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
2064
2065 iocb->iocb_cmpl = NULL;
2066 /* context2 = cmd, context2->next = rsp, context3 =
2067 bpl */
2068 if (iocb->context2) {
2069 /* Free the response IOCB before handling the
2070 command. */
2071
2072 mp = (struct lpfc_dmabuf *) (iocb->context2);
2073 mp = list_get_first(&mp->list,
2074 struct lpfc_dmabuf,
2075 list);
2076 if (mp) {
2077 /* Delay before releasing rsp buffer to
2078 * give UNREG mbox a chance to take
2079 * effect.
2080 */
2081 list_add(&mp->list,
2082 &phba->freebufList);
2083 }
2084 lpfc_mbuf_free(phba,
2085 ((struct lpfc_dmabuf *)
2086 iocb->context2)->virt,
2087 ((struct lpfc_dmabuf *)
2088 iocb->context2)->phys);
2089 kfree(iocb->context2);
2090 }
2091
2092 if (iocb->context3) {
2093 lpfc_mbuf_free(phba,
2094 ((struct lpfc_dmabuf *)
2095 iocb->context3)->virt,
2096 ((struct lpfc_dmabuf *)
2097 iocb->context3)->phys);
2098 kfree(iocb->context3);
2099 }
2100 }
2101 }
2102
2103 return;
2104}
2105
2106void
2107lpfc_disc_flush_list(struct lpfc_hba * phba)
2108{
2109 struct lpfc_nodelist *ndlp, *next_ndlp;
2110
2111 if (phba->fc_plogi_cnt) {
2112 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
2113 nlp_listp) {
2114 lpfc_free_tx(phba, ndlp);
2115 lpfc_nlp_remove(phba, ndlp);
2116 }
2117 }
2118 if (phba->fc_adisc_cnt) {
2119 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
2120 nlp_listp) {
2121 lpfc_free_tx(phba, ndlp);
2122 lpfc_nlp_remove(phba, ndlp);
2123 }
2124 }
2125 return;
2126}
2127
2128/*****************************************************************************/
2129/*
2130 * NAME: lpfc_disc_timeout
2131 *
2132 * FUNCTION: Fibre Channel driver discovery timeout routine.
2133 *
2134 * EXECUTION ENVIRONMENT: interrupt only
2135 *
2136 * CALLED FROM:
2137 * Timer function
2138 *
2139 * RETURNS:
2140 * none
2141 */
2142/*****************************************************************************/
2143void
2144lpfc_disc_timeout(unsigned long ptr)
2145{
2146 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
2147 unsigned long flags = 0;
2148
2149 if (unlikely(!phba))
2150 return;
2151
2152 spin_lock_irqsave(phba->host->host_lock, flags);
2153 if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
2154 phba->work_hba_events |= WORKER_DISC_TMO;
2155 if (phba->work_wait)
2156 wake_up(phba->work_wait);
2157 }
2158 spin_unlock_irqrestore(phba->host->host_lock, flags);
2159 return;
2160}
2161
2162static void
2163lpfc_disc_timeout_handler(struct lpfc_hba *phba)
2164{
2165 struct lpfc_sli *psli;
2166 struct lpfc_nodelist *ndlp;
2167 LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
2168 int rc, clrlaerr = 0;
2169
2170 if (unlikely(!phba))
2171 return;
2172
2173 if (!(phba->fc_flag & FC_DISC_TMO))
2174 return;
2175
2176 psli = &phba->sli;
2177
2178 spin_lock_irq(phba->host->host_lock);
2179 phba->fc_flag &= ~FC_DISC_TMO;
2180 spin_unlock_irq(phba->host->host_lock);
2181
2182 switch (phba->hba_state) {
2183
2184 case LPFC_LOCAL_CFG_LINK:
2185 /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
2186 /* FAN timeout */
2187 lpfc_printf_log(phba,
2188 KERN_WARNING,
2189 LOG_DISCOVERY,
2190 "%d:0221 FAN timeout\n",
2191 phba->brd_no);
2192
2193 /* Forget about FAN, Start discovery by sending a FLOGI
2194 * hba_state is identically LPFC_FLOGI while waiting for FLOGI
2195 * cmpl
2196 */
2197 phba->hba_state = LPFC_FLOGI;
2198 lpfc_set_disctmo(phba);
2199 lpfc_initial_flogi(phba);
2200 break;
2201
2202 case LPFC_FLOGI:
2203 /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2204 /* Initial FLOGI timeout */
2205 lpfc_printf_log(phba,
2206 KERN_ERR,
2207 LOG_DISCOVERY,
2208 "%d:0222 Initial FLOGI timeout\n",
2209 phba->brd_no);
2210
2211 /* Assume no Fabric and go on with discovery.
2212 * Check for outstanding ELS FLOGI to abort.
2213 */
2214
2215 /* FLOGI failed, so just use loop map to make discovery list */
2216 lpfc_disc_list_loopmap(phba);
2217
2218 /* Start discovery */
2219 lpfc_disc_start(phba);
2220 break;
2221
2222 case LPFC_FABRIC_CFG_LINK:
2223 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2224 NameServer login */
2225 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2226 "%d:0223 Timeout while waiting for NameServer "
2227 "login\n", phba->brd_no);
2228
2229 /* Next look for NameServer ndlp */
2230 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
2231 if (ndlp)
2232 lpfc_nlp_remove(phba, ndlp);
2233 /* Start discovery */
2234 lpfc_disc_start(phba);
2235 break;
2236
2237 case LPFC_NS_QRY:
2238 /* Check for wait for NameServer Rsp timeout */
2239 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2240 "%d:0224 NameServer Query timeout "
2241 "Data: x%x x%x\n",
2242 phba->brd_no,
2243 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2244
2245 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
2246 NameServer_DID);
2247 if (ndlp) {
2248 if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
2249 /* Try it one more time */
2250 rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
2251 if (rc == 0)
2252 break;
2253 }
2254 phba->fc_ns_retry = 0;
2255 }
2256
2257 /* Nothing to authenticate, so CLEAR_LA right now */
2258 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2259 if (!clearlambox) {
2260 clrlaerr = 1;
2261 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2262 "%d:0226 Device Discovery "
2263 "completion error\n",
2264 phba->brd_no);
2265 phba->hba_state = LPFC_HBA_ERROR;
2266 break;
2267 }
2268
2269 phba->hba_state = LPFC_CLEAR_LA;
2270 lpfc_clear_la(phba, clearlambox);
2271 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2272 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2273 (MBX_NOWAIT | MBX_STOP_IOCB));
2274 if (rc == MBX_NOT_FINISHED) {
2275 mempool_free(clearlambox, phba->mbox_mem_pool);
2276 clrlaerr = 1;
2277 break;
2278 }
2279
2280 /* Setup and issue mailbox INITIALIZE LINK command */
2281 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2282 if (!initlinkmbox) {
2283 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2284 "%d:0226 Device Discovery "
2285 "completion error\n",
2286 phba->brd_no);
2287 phba->hba_state = LPFC_HBA_ERROR;
2288 break;
2289 }
2290
2291 lpfc_linkdown(phba);
2292 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
2293 phba->cfg_link_speed);
2294 initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2295 rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
2296 (MBX_NOWAIT | MBX_STOP_IOCB));
2297 if (rc == MBX_NOT_FINISHED)
2298 mempool_free(initlinkmbox, phba->mbox_mem_pool);
2299
2300 break;
2301
2302 case LPFC_DISC_AUTH:
2303 /* Node Authentication timeout */
2304 lpfc_printf_log(phba,
2305 KERN_ERR,
2306 LOG_DISCOVERY,
2307 "%d:0227 Node Authentication timeout\n",
2308 phba->brd_no);
2309 lpfc_disc_flush_list(phba);
2310 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2311 if (!clearlambox) {
2312 clrlaerr = 1;
2313 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2314 "%d:0226 Device Discovery "
2315 "completion error\n",
2316 phba->brd_no);
2317 phba->hba_state = LPFC_HBA_ERROR;
2318 break;
2319 }
2320 phba->hba_state = LPFC_CLEAR_LA;
2321 lpfc_clear_la(phba, clearlambox);
2322 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2323 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2324 (MBX_NOWAIT | MBX_STOP_IOCB));
2325 if (rc == MBX_NOT_FINISHED) {
2326 mempool_free(clearlambox, phba->mbox_mem_pool);
2327 clrlaerr = 1;
2328 }
2329 break;
2330
2331 case LPFC_CLEAR_LA:
2332 /* CLEAR LA timeout */
2333 lpfc_printf_log(phba,
2334 KERN_ERR,
2335 LOG_DISCOVERY,
2336 "%d:0228 CLEAR LA timeout\n",
2337 phba->brd_no);
2338 clrlaerr = 1;
2339 break;
2340
2341 case LPFC_HBA_READY:
2342 if (phba->fc_flag & FC_RSCN_MODE) {
2343 lpfc_printf_log(phba,
2344 KERN_ERR,
2345 LOG_DISCOVERY,
2346 "%d:0231 RSCN timeout Data: x%x x%x\n",
2347 phba->brd_no,
2348 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2349
2350 /* Cleanup any outstanding ELS commands */
2351 lpfc_els_flush_cmd(phba);
2352
2353 lpfc_els_flush_rscn(phba);
2354 lpfc_disc_flush_list(phba);
2355 }
2356 break;
2357 }
2358
2359 if (clrlaerr) {
2360 lpfc_disc_flush_list(phba);
2361 psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2362 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2363 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2364 phba->hba_state = LPFC_HBA_READY;
2365 }
2366
2367 return;
2368}
2369
2370static void
2371lpfc_nodev_timeout(unsigned long ptr)
2372{
2373 struct lpfc_hba *phba;
2374 struct lpfc_nodelist *ndlp;
2375 unsigned long iflag;
2376 struct lpfc_work_evt *evtp;
2377
2378 ndlp = (struct lpfc_nodelist *)ptr;
2379 phba = ndlp->nlp_phba;
2380 evtp = &ndlp->nodev_timeout_evt;
2381 spin_lock_irqsave(phba->host->host_lock, iflag);
2382
2383 if (!list_empty(&evtp->evt_listp)) {
2384 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2385 return;
2386 }
2387 evtp->evt_arg1 = ndlp;
2388 evtp->evt = LPFC_EVT_NODEV_TMO;
2389 list_add_tail(&evtp->evt_listp, &phba->work_list);
2390 if (phba->work_wait)
2391 wake_up(phba->work_wait);
2392
2393 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2394 return;
2395}
2396
2397
2398/*
2399 * This routine handles processing a NameServer REG_LOGIN mailbox
2400 * command upon completion. It is setup in the LPFC_MBOXQ
2401 * as the completion routine when the command is
2402 * handed off to the SLI layer.
2403 */
2404void
2405lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
2406{
2407 struct lpfc_sli *psli;
2408 MAILBOX_t *mb;
2409 struct lpfc_dmabuf *mp;
2410 struct lpfc_nodelist *ndlp;
2411
2412 psli = &phba->sli;
2413 mb = &pmb->mb;
2414
2415 ndlp = (struct lpfc_nodelist *) pmb->context2;
2416 mp = (struct lpfc_dmabuf *) (pmb->context1);
2417
2418 pmb->context1 = NULL;
2419
2420 if (ndlp->nlp_rpi != 0)
2421 lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
2422 ndlp->nlp_rpi = mb->un.varWords[0];
2423 lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
2424 ndlp->nlp_type |= NLP_FABRIC;
2425 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
2426 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
2427
2428 /* Start issuing Fabric-Device Management Interface (FDMI)
2429 * command to 0xfffffa (FDMI well known port)
2430 */
2431 if (phba->cfg_fdmi_on == 1) {
2432 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
2433 } else {
2434 /*
2435 * Delay issuing FDMI command if fdmi-on=2
2436 * (supporting RPA/hostnmae)
2437 */
2438 mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
2439 }
2440
2441 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2442 kfree(mp);
2443 mempool_free( pmb, phba->mbox_mem_pool);
2444
2445 return;
2446}
2447
2448/*
2449 * This routine looks up the ndlp hash
2450 * table for the given RPI. If rpi found
2451 * it return the node list pointer
2452 * else return 0.
2453 */
2454struct lpfc_nodelist *
2455lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
2456{
2457 struct lpfc_nodelist *ret;
2458
2459 ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)];
2460 while ((ret != 0) && (ret->nlp_rpi != rpi)) {
2461 ret = ret->nlp_rpi_hash_next;
2462 }
2463 return ret;
2464}
2465
2466/*
2467 * This routine looks up the ndlp hash table for the
2468 * given RPI. If rpi found it return the node list
2469 * pointer else return 0 after deleting the entry
2470 * from hash table.
2471 */
2472struct lpfc_nodelist *
2473lpfc_findnode_remove_rpi(struct lpfc_hba * phba, uint16_t rpi)
2474{
2475 struct lpfc_nodelist *ret, *temp;;
2476
2477 ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)];
2478 if (ret == 0)
2479 return NULL;
2480
2481 if (ret->nlp_rpi == rpi) {
2482 phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)] =
2483 ret->nlp_rpi_hash_next;
2484 ret->nlp_rpi_hash_next = NULL;
2485 return ret;
2486 }
2487
2488 while ((ret->nlp_rpi_hash_next != 0) &&
2489 (ret->nlp_rpi_hash_next->nlp_rpi != rpi)) {
2490 ret = ret->nlp_rpi_hash_next;
2491 }
2492
2493 if (ret->nlp_rpi_hash_next != 0) {
2494 temp = ret->nlp_rpi_hash_next;
2495 ret->nlp_rpi_hash_next = temp->nlp_rpi_hash_next;
2496 temp->nlp_rpi_hash_next = NULL;
2497 return temp;
2498 } else {
2499 return NULL;
2500 }
2501}
2502
2503/*
2504 * This routine adds the node list entry to the
2505 * ndlp hash table.
2506 */
2507void
2508lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
2509 uint16_t rpi)
2510{
2511
2512 uint32_t index;
2513
2514 index = LPFC_RPI_HASH_FUNC(rpi);
2515 ndlp->nlp_rpi_hash_next = phba->fc_nlplookup[index];
2516 phba->fc_nlplookup[index] = ndlp;
2517 return;
2518}
2519
2520void
2521lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
2522 uint32_t did)
2523{
2524 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
2525 INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp);
2526 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
2527 init_timer(&ndlp->nlp_tmofunc);
2528 ndlp->nlp_tmofunc.function = lpfc_nodev_timeout;
2529 ndlp->nlp_tmofunc.data = (unsigned long)ndlp;
2530 init_timer(&ndlp->nlp_delayfunc);
2531 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
2532 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
2533 ndlp->nlp_DID = did;
2534 ndlp->nlp_phba = phba;
2535 ndlp->nlp_sid = NLP_NO_SID;
2536 return;
2537}
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
new file mode 100644
index 000000000000..fc958a99dadb
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -0,0 +1,2687 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_hw.h 1.37 2005/03/29 19:51:45EST sf_support Exp $
23 */
24
25#define FDMI_DID 0xfffffaU
26#define NameServer_DID 0xfffffcU
27#define SCR_DID 0xfffffdU
28#define Fabric_DID 0xfffffeU
29#define Bcast_DID 0xffffffU
30#define Mask_DID 0xffffffU
31#define CT_DID_MASK 0xffff00U
32#define Fabric_DID_MASK 0xfff000U
33#define WELL_KNOWN_DID_MASK 0xfffff0U
34
35#define PT2PT_LocalID 1
36#define PT2PT_RemoteID 2
37
38#define FF_DEF_EDTOV 2000 /* Default E_D_TOV (2000ms) */
39#define FF_DEF_ALTOV 15 /* Default AL_TIME (15ms) */
40#define FF_DEF_RATOV 2 /* Default RA_TOV (2s) */
41#define FF_DEF_ARBTOV 1900 /* Default ARB_TOV (1900ms) */
42
43#define LPFC_BUF_RING0 64 /* Number of buffers to post to RING
44 0 */
45
46#define FCELSSIZE 1024 /* maximum ELS transfer size */
47
48#define LPFC_FCP_RING 0 /* ring 0 for FCP initiator commands */
49#define LPFC_IP_RING 1 /* ring 1 for IP commands */
50#define LPFC_ELS_RING 2 /* ring 2 for ELS commands */
51#define LPFC_FCP_NEXT_RING 3
52
53#define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */
54#define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */
55#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 IP command ring entries */
56#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 IP response ring entries */
57#define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */
58#define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */
59#define SLI2_IOCB_CMD_R2_ENTRIES 20 /* SLI-2 ELS command ring entries */
60#define SLI2_IOCB_RSP_R2_ENTRIES 20 /* SLI-2 ELS response ring entries */
61#define SLI2_IOCB_CMD_R3_ENTRIES 0
62#define SLI2_IOCB_RSP_R3_ENTRIES 0
63#define SLI2_IOCB_CMD_R3XTRA_ENTRIES 24
64#define SLI2_IOCB_RSP_R3XTRA_ENTRIES 32
65
66/* Common Transport structures and definitions */
67
68union CtRevisionId {
69 /* Structure is in Big Endian format */
70 struct {
71 uint32_t Revision:8;
72 uint32_t InId:24;
73 } bits;
74 uint32_t word;
75};
76
77union CtCommandResponse {
78 /* Structure is in Big Endian format */
79 struct {
80 uint32_t CmdRsp:16;
81 uint32_t Size:16;
82 } bits;
83 uint32_t word;
84};
85
86struct lpfc_sli_ct_request {
87 /* Structure is in Big Endian format */
88 union CtRevisionId RevisionId;
89 uint8_t FsType;
90 uint8_t FsSubType;
91 uint8_t Options;
92 uint8_t Rsrvd1;
93 union CtCommandResponse CommandResponse;
94 uint8_t Rsrvd2;
95 uint8_t ReasonCode;
96 uint8_t Explanation;
97 uint8_t VendorUnique;
98
99 union {
100 uint32_t PortID;
101 struct gid {
102 uint8_t PortType; /* for GID_PT requests */
103 uint8_t DomainScope;
104 uint8_t AreaScope;
105 uint8_t Fc4Type; /* for GID_FT requests */
106 } gid;
107 struct rft {
108 uint32_t PortId; /* For RFT_ID requests */
109
110#ifdef __BIG_ENDIAN_BITFIELD
111 uint32_t rsvd0:16;
112 uint32_t rsvd1:7;
113 uint32_t fcpReg:1; /* Type 8 */
114 uint32_t rsvd2:2;
115 uint32_t ipReg:1; /* Type 5 */
116 uint32_t rsvd3:5;
117#else /* __LITTLE_ENDIAN_BITFIELD */
118 uint32_t rsvd0:16;
119 uint32_t fcpReg:1; /* Type 8 */
120 uint32_t rsvd1:7;
121 uint32_t rsvd3:5;
122 uint32_t ipReg:1; /* Type 5 */
123 uint32_t rsvd2:2;
124#endif
125
126 uint32_t rsvd[7];
127 } rft;
128 struct rnn {
129 uint32_t PortId; /* For RNN_ID requests */
130 uint8_t wwnn[8];
131 } rnn;
132 struct rsnn { /* For RSNN_ID requests */
133 uint8_t wwnn[8];
134 uint8_t len;
135 uint8_t symbname[255];
136 } rsnn;
137 } un;
138};
139
140#define SLI_CT_REVISION 1
141#define GID_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 260)
142#define RFT_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 228)
143#define RNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 252)
144#define RSNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request))
145
146/*
147 * FsType Definitions
148 */
149
150#define SLI_CT_MANAGEMENT_SERVICE 0xFA
151#define SLI_CT_TIME_SERVICE 0xFB
152#define SLI_CT_DIRECTORY_SERVICE 0xFC
153#define SLI_CT_FABRIC_CONTROLLER_SERVICE 0xFD
154
155/*
156 * Directory Service Subtypes
157 */
158
159#define SLI_CT_DIRECTORY_NAME_SERVER 0x02
160
161/*
162 * Response Codes
163 */
164
165#define SLI_CT_RESPONSE_FS_RJT 0x8001
166#define SLI_CT_RESPONSE_FS_ACC 0x8002
167
168/*
169 * Reason Codes
170 */
171
172#define SLI_CT_NO_ADDITIONAL_EXPL 0x0
173#define SLI_CT_INVALID_COMMAND 0x01
174#define SLI_CT_INVALID_VERSION 0x02
175#define SLI_CT_LOGICAL_ERROR 0x03
176#define SLI_CT_INVALID_IU_SIZE 0x04
177#define SLI_CT_LOGICAL_BUSY 0x05
178#define SLI_CT_PROTOCOL_ERROR 0x07
179#define SLI_CT_UNABLE_TO_PERFORM_REQ 0x09
180#define SLI_CT_REQ_NOT_SUPPORTED 0x0b
181#define SLI_CT_HBA_INFO_NOT_REGISTERED 0x10
182#define SLI_CT_MULTIPLE_HBA_ATTR_OF_SAME_TYPE 0x11
183#define SLI_CT_INVALID_HBA_ATTR_BLOCK_LEN 0x12
184#define SLI_CT_HBA_ATTR_NOT_PRESENT 0x13
185#define SLI_CT_PORT_INFO_NOT_REGISTERED 0x20
186#define SLI_CT_MULTIPLE_PORT_ATTR_OF_SAME_TYPE 0x21
187#define SLI_CT_INVALID_PORT_ATTR_BLOCK_LEN 0x22
188#define SLI_CT_VENDOR_UNIQUE 0xff
189
190/*
191 * Name Server SLI_CT_UNABLE_TO_PERFORM_REQ Explanations
192 */
193
194#define SLI_CT_NO_PORT_ID 0x01
195#define SLI_CT_NO_PORT_NAME 0x02
196#define SLI_CT_NO_NODE_NAME 0x03
197#define SLI_CT_NO_CLASS_OF_SERVICE 0x04
198#define SLI_CT_NO_IP_ADDRESS 0x05
199#define SLI_CT_NO_IPA 0x06
200#define SLI_CT_NO_FC4_TYPES 0x07
201#define SLI_CT_NO_SYMBOLIC_PORT_NAME 0x08
202#define SLI_CT_NO_SYMBOLIC_NODE_NAME 0x09
203#define SLI_CT_NO_PORT_TYPE 0x0A
204#define SLI_CT_ACCESS_DENIED 0x10
205#define SLI_CT_INVALID_PORT_ID 0x11
206#define SLI_CT_DATABASE_EMPTY 0x12
207
208/*
209 * Name Server Command Codes
210 */
211
212#define SLI_CTNS_GA_NXT 0x0100
213#define SLI_CTNS_GPN_ID 0x0112
214#define SLI_CTNS_GNN_ID 0x0113
215#define SLI_CTNS_GCS_ID 0x0114
216#define SLI_CTNS_GFT_ID 0x0117
217#define SLI_CTNS_GSPN_ID 0x0118
218#define SLI_CTNS_GPT_ID 0x011A
219#define SLI_CTNS_GID_PN 0x0121
220#define SLI_CTNS_GID_NN 0x0131
221#define SLI_CTNS_GIP_NN 0x0135
222#define SLI_CTNS_GIPA_NN 0x0136
223#define SLI_CTNS_GSNN_NN 0x0139
224#define SLI_CTNS_GNN_IP 0x0153
225#define SLI_CTNS_GIPA_IP 0x0156
226#define SLI_CTNS_GID_FT 0x0171
227#define SLI_CTNS_GID_PT 0x01A1
228#define SLI_CTNS_RPN_ID 0x0212
229#define SLI_CTNS_RNN_ID 0x0213
230#define SLI_CTNS_RCS_ID 0x0214
231#define SLI_CTNS_RFT_ID 0x0217
232#define SLI_CTNS_RSPN_ID 0x0218
233#define SLI_CTNS_RPT_ID 0x021A
234#define SLI_CTNS_RIP_NN 0x0235
235#define SLI_CTNS_RIPA_NN 0x0236
236#define SLI_CTNS_RSNN_NN 0x0239
237#define SLI_CTNS_DA_ID 0x0300
238
239/*
240 * Port Types
241 */
242
243#define SLI_CTPT_N_PORT 0x01
244#define SLI_CTPT_NL_PORT 0x02
245#define SLI_CTPT_FNL_PORT 0x03
246#define SLI_CTPT_IP 0x04
247#define SLI_CTPT_FCP 0x08
248#define SLI_CTPT_NX_PORT 0x7F
249#define SLI_CTPT_F_PORT 0x81
250#define SLI_CTPT_FL_PORT 0x82
251#define SLI_CTPT_E_PORT 0x84
252
253#define SLI_CT_LAST_ENTRY 0x80000000
254
255/* Fibre Channel Service Parameter definitions */
256
257#define FC_PH_4_0 6 /* FC-PH version 4.0 */
258#define FC_PH_4_1 7 /* FC-PH version 4.1 */
259#define FC_PH_4_2 8 /* FC-PH version 4.2 */
260#define FC_PH_4_3 9 /* FC-PH version 4.3 */
261
262#define FC_PH_LOW 8 /* Lowest supported FC-PH version */
263#define FC_PH_HIGH 9 /* Highest supported FC-PH version */
264#define FC_PH3 0x20 /* FC-PH-3 version */
265
266#define FF_FRAME_SIZE 2048
267
268struct lpfc_name {
269#ifdef __BIG_ENDIAN_BITFIELD
270 uint8_t nameType:4; /* FC Word 0, bit 28:31 */
271 uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */
272#else /* __LITTLE_ENDIAN_BITFIELD */
273 uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */
274 uint8_t nameType:4; /* FC Word 0, bit 28:31 */
275#endif
276
277#define NAME_IEEE 0x1 /* IEEE name - nameType */
278#define NAME_IEEE_EXT 0x2 /* IEEE extended name */
279#define NAME_FC_TYPE 0x3 /* FC native name type */
280#define NAME_IP_TYPE 0x4 /* IP address */
281#define NAME_CCITT_TYPE 0xC
282#define NAME_CCITT_GR_TYPE 0xE
283 uint8_t IEEEextLsb; /* FC Word 0, bit 16:23, IEEE extended Lsb */
284 uint8_t IEEE[6]; /* FC IEEE address */
285};
286
287struct csp {
288 uint8_t fcphHigh; /* FC Word 0, byte 0 */
289 uint8_t fcphLow;
290 uint8_t bbCreditMsb;
291 uint8_t bbCreditlsb; /* FC Word 0, byte 3 */
292
293#ifdef __BIG_ENDIAN_BITFIELD
294 uint16_t increasingOffset:1; /* FC Word 1, bit 31 */
295 uint16_t randomOffset:1; /* FC Word 1, bit 30 */
296 uint16_t word1Reserved2:1; /* FC Word 1, bit 29 */
297 uint16_t fPort:1; /* FC Word 1, bit 28 */
298 uint16_t altBbCredit:1; /* FC Word 1, bit 27 */
299 uint16_t edtovResolution:1; /* FC Word 1, bit 26 */
300 uint16_t multicast:1; /* FC Word 1, bit 25 */
301 uint16_t broadcast:1; /* FC Word 1, bit 24 */
302
303 uint16_t huntgroup:1; /* FC Word 1, bit 23 */
304 uint16_t simplex:1; /* FC Word 1, bit 22 */
305 uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */
306 uint16_t dhd:1; /* FC Word 1, bit 18 */
307 uint16_t contIncSeqCnt:1; /* FC Word 1, bit 17 */
308 uint16_t payloadlength:1; /* FC Word 1, bit 16 */
309#else /* __LITTLE_ENDIAN_BITFIELD */
310 uint16_t broadcast:1; /* FC Word 1, bit 24 */
311 uint16_t multicast:1; /* FC Word 1, bit 25 */
312 uint16_t edtovResolution:1; /* FC Word 1, bit 26 */
313 uint16_t altBbCredit:1; /* FC Word 1, bit 27 */
314 uint16_t fPort:1; /* FC Word 1, bit 28 */
315 uint16_t word1Reserved2:1; /* FC Word 1, bit 29 */
316 uint16_t randomOffset:1; /* FC Word 1, bit 30 */
317 uint16_t increasingOffset:1; /* FC Word 1, bit 31 */
318
319 uint16_t payloadlength:1; /* FC Word 1, bit 16 */
320 uint16_t contIncSeqCnt:1; /* FC Word 1, bit 17 */
321 uint16_t dhd:1; /* FC Word 1, bit 18 */
322 uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */
323 uint16_t simplex:1; /* FC Word 1, bit 22 */
324 uint16_t huntgroup:1; /* FC Word 1, bit 23 */
325#endif
326
327 uint8_t bbRcvSizeMsb; /* Upper nibble is reserved */
328 uint8_t bbRcvSizeLsb; /* FC Word 1, byte 3 */
329 union {
330 struct {
331 uint8_t word2Reserved1; /* FC Word 2 byte 0 */
332
333 uint8_t totalConcurrSeq; /* FC Word 2 byte 1 */
334 uint8_t roByCategoryMsb; /* FC Word 2 byte 2 */
335
336 uint8_t roByCategoryLsb; /* FC Word 2 byte 3 */
337 } nPort;
338 uint32_t r_a_tov; /* R_A_TOV must be in B.E. format */
339 } w2;
340
341 uint32_t e_d_tov; /* E_D_TOV must be in B.E. format */
342};
343
344struct class_parms {
345#ifdef __BIG_ENDIAN_BITFIELD
346 uint8_t classValid:1; /* FC Word 0, bit 31 */
347 uint8_t intermix:1; /* FC Word 0, bit 30 */
348 uint8_t stackedXparent:1; /* FC Word 0, bit 29 */
349 uint8_t stackedLockDown:1; /* FC Word 0, bit 28 */
350 uint8_t seqDelivery:1; /* FC Word 0, bit 27 */
351 uint8_t word0Reserved1:3; /* FC Word 0, bit 24:26 */
352#else /* __LITTLE_ENDIAN_BITFIELD */
353 uint8_t word0Reserved1:3; /* FC Word 0, bit 24:26 */
354 uint8_t seqDelivery:1; /* FC Word 0, bit 27 */
355 uint8_t stackedLockDown:1; /* FC Word 0, bit 28 */
356 uint8_t stackedXparent:1; /* FC Word 0, bit 29 */
357 uint8_t intermix:1; /* FC Word 0, bit 30 */
358 uint8_t classValid:1; /* FC Word 0, bit 31 */
359
360#endif
361
362 uint8_t word0Reserved2; /* FC Word 0, bit 16:23 */
363
364#ifdef __BIG_ENDIAN_BITFIELD
365 uint8_t iCtlXidReAssgn:2; /* FC Word 0, Bit 14:15 */
366 uint8_t iCtlInitialPa:2; /* FC Word 0, bit 12:13 */
367 uint8_t iCtlAck0capable:1; /* FC Word 0, bit 11 */
368 uint8_t iCtlAckNcapable:1; /* FC Word 0, bit 10 */
369 uint8_t word0Reserved3:2; /* FC Word 0, bit 8: 9 */
370#else /* __LITTLE_ENDIAN_BITFIELD */
371 uint8_t word0Reserved3:2; /* FC Word 0, bit 8: 9 */
372 uint8_t iCtlAckNcapable:1; /* FC Word 0, bit 10 */
373 uint8_t iCtlAck0capable:1; /* FC Word 0, bit 11 */
374 uint8_t iCtlInitialPa:2; /* FC Word 0, bit 12:13 */
375 uint8_t iCtlXidReAssgn:2; /* FC Word 0, Bit 14:15 */
376#endif
377
378 uint8_t word0Reserved4; /* FC Word 0, bit 0: 7 */
379
380#ifdef __BIG_ENDIAN_BITFIELD
381 uint8_t rCtlAck0capable:1; /* FC Word 1, bit 31 */
382 uint8_t rCtlAckNcapable:1; /* FC Word 1, bit 30 */
383 uint8_t rCtlXidInterlck:1; /* FC Word 1, bit 29 */
384 uint8_t rCtlErrorPolicy:2; /* FC Word 1, bit 27:28 */
385 uint8_t word1Reserved1:1; /* FC Word 1, bit 26 */
386 uint8_t rCtlCatPerSeq:2; /* FC Word 1, bit 24:25 */
387#else /* __LITTLE_ENDIAN_BITFIELD */
388 uint8_t rCtlCatPerSeq:2; /* FC Word 1, bit 24:25 */
389 uint8_t word1Reserved1:1; /* FC Word 1, bit 26 */
390 uint8_t rCtlErrorPolicy:2; /* FC Word 1, bit 27:28 */
391 uint8_t rCtlXidInterlck:1; /* FC Word 1, bit 29 */
392 uint8_t rCtlAckNcapable:1; /* FC Word 1, bit 30 */
393 uint8_t rCtlAck0capable:1; /* FC Word 1, bit 31 */
394#endif
395
396 uint8_t word1Reserved2; /* FC Word 1, bit 16:23 */
397 uint8_t rcvDataSizeMsb; /* FC Word 1, bit 8:15 */
398 uint8_t rcvDataSizeLsb; /* FC Word 1, bit 0: 7 */
399
400 uint8_t concurrentSeqMsb; /* FC Word 2, bit 24:31 */
401 uint8_t concurrentSeqLsb; /* FC Word 2, bit 16:23 */
402 uint8_t EeCreditSeqMsb; /* FC Word 2, bit 8:15 */
403 uint8_t EeCreditSeqLsb; /* FC Word 2, bit 0: 7 */
404
405 uint8_t openSeqPerXchgMsb; /* FC Word 3, bit 24:31 */
406 uint8_t openSeqPerXchgLsb; /* FC Word 3, bit 16:23 */
407 uint8_t word3Reserved1; /* Fc Word 3, bit 8:15 */
408 uint8_t word3Reserved2; /* Fc Word 3, bit 0: 7 */
409};
410
411struct serv_parm { /* Structure is in Big Endian format */
412 struct csp cmn;
413 struct lpfc_name portName;
414 struct lpfc_name nodeName;
415 struct class_parms cls1;
416 struct class_parms cls2;
417 struct class_parms cls3;
418 struct class_parms cls4;
419 uint8_t vendorVersion[16];
420};
421
422/*
423 * Extended Link Service LS_COMMAND codes (Payload Word 0)
424 */
425#ifdef __BIG_ENDIAN_BITFIELD
426#define ELS_CMD_MASK 0xffff0000
427#define ELS_RSP_MASK 0xff000000
428#define ELS_CMD_LS_RJT 0x01000000
429#define ELS_CMD_ACC 0x02000000
430#define ELS_CMD_PLOGI 0x03000000
431#define ELS_CMD_FLOGI 0x04000000
432#define ELS_CMD_LOGO 0x05000000
433#define ELS_CMD_ABTX 0x06000000
434#define ELS_CMD_RCS 0x07000000
435#define ELS_CMD_RES 0x08000000
436#define ELS_CMD_RSS 0x09000000
437#define ELS_CMD_RSI 0x0A000000
438#define ELS_CMD_ESTS 0x0B000000
439#define ELS_CMD_ESTC 0x0C000000
440#define ELS_CMD_ADVC 0x0D000000
441#define ELS_CMD_RTV 0x0E000000
442#define ELS_CMD_RLS 0x0F000000
443#define ELS_CMD_ECHO 0x10000000
444#define ELS_CMD_TEST 0x11000000
445#define ELS_CMD_RRQ 0x12000000
446#define ELS_CMD_PRLI 0x20100014
447#define ELS_CMD_PRLO 0x21100014
448#define ELS_CMD_PDISC 0x50000000
449#define ELS_CMD_FDISC 0x51000000
450#define ELS_CMD_ADISC 0x52000000
451#define ELS_CMD_FARP 0x54000000
452#define ELS_CMD_FARPR 0x55000000
453#define ELS_CMD_FAN 0x60000000
454#define ELS_CMD_RSCN 0x61040000
455#define ELS_CMD_SCR 0x62000000
456#define ELS_CMD_RNID 0x78000000
457#else /* __LITTLE_ENDIAN_BITFIELD */
458#define ELS_CMD_MASK 0xffff
459#define ELS_RSP_MASK 0xff
460#define ELS_CMD_LS_RJT 0x01
461#define ELS_CMD_ACC 0x02
462#define ELS_CMD_PLOGI 0x03
463#define ELS_CMD_FLOGI 0x04
464#define ELS_CMD_LOGO 0x05
465#define ELS_CMD_ABTX 0x06
466#define ELS_CMD_RCS 0x07
467#define ELS_CMD_RES 0x08
468#define ELS_CMD_RSS 0x09
469#define ELS_CMD_RSI 0x0A
470#define ELS_CMD_ESTS 0x0B
471#define ELS_CMD_ESTC 0x0C
472#define ELS_CMD_ADVC 0x0D
473#define ELS_CMD_RTV 0x0E
474#define ELS_CMD_RLS 0x0F
475#define ELS_CMD_ECHO 0x10
476#define ELS_CMD_TEST 0x11
477#define ELS_CMD_RRQ 0x12
478#define ELS_CMD_PRLI 0x14001020
479#define ELS_CMD_PRLO 0x14001021
480#define ELS_CMD_PDISC 0x50
481#define ELS_CMD_FDISC 0x51
482#define ELS_CMD_ADISC 0x52
483#define ELS_CMD_FARP 0x54
484#define ELS_CMD_FARPR 0x55
485#define ELS_CMD_FAN 0x60
486#define ELS_CMD_RSCN 0x0461
487#define ELS_CMD_SCR 0x62
488#define ELS_CMD_RNID 0x78
489#endif
490
491/*
492 * LS_RJT Payload Definition
493 */
494
495struct ls_rjt { /* Structure is in Big Endian format */
496 union {
497 uint32_t lsRjtError;
498 struct {
499 uint8_t lsRjtRsvd0; /* FC Word 0, bit 24:31 */
500
501 uint8_t lsRjtRsnCode; /* FC Word 0, bit 16:23 */
502 /* LS_RJT reason codes */
503#define LSRJT_INVALID_CMD 0x01
504#define LSRJT_LOGICAL_ERR 0x03
505#define LSRJT_LOGICAL_BSY 0x05
506#define LSRJT_PROTOCOL_ERR 0x07
507#define LSRJT_UNABLE_TPC 0x09 /* Unable to perform command */
508#define LSRJT_CMD_UNSUPPORTED 0x0B
509#define LSRJT_VENDOR_UNIQUE 0xFF /* See Byte 3 */
510
511 uint8_t lsRjtRsnCodeExp; /* FC Word 0, bit 8:15 */
512 /* LS_RJT reason explanation */
513#define LSEXP_NOTHING_MORE 0x00
514#define LSEXP_SPARM_OPTIONS 0x01
515#define LSEXP_SPARM_ICTL 0x03
516#define LSEXP_SPARM_RCTL 0x05
517#define LSEXP_SPARM_RCV_SIZE 0x07
518#define LSEXP_SPARM_CONCUR_SEQ 0x09
519#define LSEXP_SPARM_CREDIT 0x0B
520#define LSEXP_INVALID_PNAME 0x0D
521#define LSEXP_INVALID_NNAME 0x0E
522#define LSEXP_INVALID_CSP 0x0F
523#define LSEXP_INVALID_ASSOC_HDR 0x11
524#define LSEXP_ASSOC_HDR_REQ 0x13
525#define LSEXP_INVALID_O_SID 0x15
526#define LSEXP_INVALID_OX_RX 0x17
527#define LSEXP_CMD_IN_PROGRESS 0x19
528#define LSEXP_INVALID_NPORT_ID 0x1F
529#define LSEXP_INVALID_SEQ_ID 0x21
530#define LSEXP_INVALID_XCHG 0x23
531#define LSEXP_INACTIVE_XCHG 0x25
532#define LSEXP_RQ_REQUIRED 0x27
533#define LSEXP_OUT_OF_RESOURCE 0x29
534#define LSEXP_CANT_GIVE_DATA 0x2A
535#define LSEXP_REQ_UNSUPPORTED 0x2C
536 uint8_t vendorUnique; /* FC Word 0, bit 0: 7 */
537 } b;
538 } un;
539};
540
541/*
542 * N_Port Login (FLOGO/PLOGO Request) Payload Definition
543 */
544
545typedef struct _LOGO { /* Structure is in Big Endian format */
546 union {
547 uint32_t nPortId32; /* Access nPortId as a word */
548 struct {
549 uint8_t word1Reserved1; /* FC Word 1, bit 31:24 */
550 uint8_t nPortIdByte0; /* N_port ID bit 16:23 */
551 uint8_t nPortIdByte1; /* N_port ID bit 8:15 */
552 uint8_t nPortIdByte2; /* N_port ID bit 0: 7 */
553 } b;
554 } un;
555 struct lpfc_name portName; /* N_port name field */
556} LOGO;
557
558/*
559 * FCP Login (PRLI Request / ACC) Payload Definition
560 */
561
562#define PRLX_PAGE_LEN 0x10
563#define TPRLO_PAGE_LEN 0x14
564
565typedef struct _PRLI { /* Structure is in Big Endian format */
566 uint8_t prliType; /* FC Parm Word 0, bit 24:31 */
567
568#define PRLI_FCP_TYPE 0x08
569 uint8_t word0Reserved1; /* FC Parm Word 0, bit 16:23 */
570
571#ifdef __BIG_ENDIAN_BITFIELD
572 uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */
573 uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */
574 uint8_t estabImagePair:1; /* FC Parm Word 0, bit 13 */
575
576 /* ACC = imagePairEstablished */
577 uint8_t word0Reserved2:1; /* FC Parm Word 0, bit 12 */
578 uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */
579#else /* __LITTLE_ENDIAN_BITFIELD */
580 uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */
581 uint8_t word0Reserved2:1; /* FC Parm Word 0, bit 12 */
582 uint8_t estabImagePair:1; /* FC Parm Word 0, bit 13 */
583 uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */
584 uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */
585 /* ACC = imagePairEstablished */
586#endif
587
588#define PRLI_REQ_EXECUTED 0x1 /* acceptRspCode */
589#define PRLI_NO_RESOURCES 0x2
590#define PRLI_INIT_INCOMPLETE 0x3
591#define PRLI_NO_SUCH_PA 0x4
592#define PRLI_PREDEF_CONFIG 0x5
593#define PRLI_PARTIAL_SUCCESS 0x6
594#define PRLI_INVALID_PAGE_CNT 0x7
595 uint8_t word0Reserved3; /* FC Parm Word 0, bit 0:7 */
596
597 uint32_t origProcAssoc; /* FC Parm Word 1, bit 0:31 */
598
599 uint32_t respProcAssoc; /* FC Parm Word 2, bit 0:31 */
600
601 uint8_t word3Reserved1; /* FC Parm Word 3, bit 24:31 */
602 uint8_t word3Reserved2; /* FC Parm Word 3, bit 16:23 */
603
604#ifdef __BIG_ENDIAN_BITFIELD
605 uint16_t Word3bit15Resved:1; /* FC Parm Word 3, bit 15 */
606 uint16_t Word3bit14Resved:1; /* FC Parm Word 3, bit 14 */
607 uint16_t Word3bit13Resved:1; /* FC Parm Word 3, bit 13 */
608 uint16_t Word3bit12Resved:1; /* FC Parm Word 3, bit 12 */
609 uint16_t Word3bit11Resved:1; /* FC Parm Word 3, bit 11 */
610 uint16_t Word3bit10Resved:1; /* FC Parm Word 3, bit 10 */
611 uint16_t TaskRetryIdReq:1; /* FC Parm Word 3, bit 9 */
612 uint16_t Retry:1; /* FC Parm Word 3, bit 8 */
613 uint16_t ConfmComplAllowed:1; /* FC Parm Word 3, bit 7 */
614 uint16_t dataOverLay:1; /* FC Parm Word 3, bit 6 */
615 uint16_t initiatorFunc:1; /* FC Parm Word 3, bit 5 */
616 uint16_t targetFunc:1; /* FC Parm Word 3, bit 4 */
617 uint16_t cmdDataMixEna:1; /* FC Parm Word 3, bit 3 */
618 uint16_t dataRspMixEna:1; /* FC Parm Word 3, bit 2 */
619 uint16_t readXferRdyDis:1; /* FC Parm Word 3, bit 1 */
620 uint16_t writeXferRdyDis:1; /* FC Parm Word 3, bit 0 */
621#else /* __LITTLE_ENDIAN_BITFIELD */
622 uint16_t Retry:1; /* FC Parm Word 3, bit 8 */
623 uint16_t TaskRetryIdReq:1; /* FC Parm Word 3, bit 9 */
624 uint16_t Word3bit10Resved:1; /* FC Parm Word 3, bit 10 */
625 uint16_t Word3bit11Resved:1; /* FC Parm Word 3, bit 11 */
626 uint16_t Word3bit12Resved:1; /* FC Parm Word 3, bit 12 */
627 uint16_t Word3bit13Resved:1; /* FC Parm Word 3, bit 13 */
628 uint16_t Word3bit14Resved:1; /* FC Parm Word 3, bit 14 */
629 uint16_t Word3bit15Resved:1; /* FC Parm Word 3, bit 15 */
630 uint16_t writeXferRdyDis:1; /* FC Parm Word 3, bit 0 */
631 uint16_t readXferRdyDis:1; /* FC Parm Word 3, bit 1 */
632 uint16_t dataRspMixEna:1; /* FC Parm Word 3, bit 2 */
633 uint16_t cmdDataMixEna:1; /* FC Parm Word 3, bit 3 */
634 uint16_t targetFunc:1; /* FC Parm Word 3, bit 4 */
635 uint16_t initiatorFunc:1; /* FC Parm Word 3, bit 5 */
636 uint16_t dataOverLay:1; /* FC Parm Word 3, bit 6 */
637 uint16_t ConfmComplAllowed:1; /* FC Parm Word 3, bit 7 */
638#endif
639} PRLI;
640
641/*
642 * FCP Logout (PRLO Request / ACC) Payload Definition
643 */
644
645typedef struct _PRLO { /* Structure is in Big Endian format */
646 uint8_t prloType; /* FC Parm Word 0, bit 24:31 */
647
648#define PRLO_FCP_TYPE 0x08
649 uint8_t word0Reserved1; /* FC Parm Word 0, bit 16:23 */
650
651#ifdef __BIG_ENDIAN_BITFIELD
652 uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */
653 uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */
654 uint8_t word0Reserved2:2; /* FC Parm Word 0, bit 12:13 */
655 uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */
656#else /* __LITTLE_ENDIAN_BITFIELD */
657 uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */
658 uint8_t word0Reserved2:2; /* FC Parm Word 0, bit 12:13 */
659 uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */
660 uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */
661#endif
662
663#define PRLO_REQ_EXECUTED 0x1 /* acceptRspCode */
664#define PRLO_NO_SUCH_IMAGE 0x4
665#define PRLO_INVALID_PAGE_CNT 0x7
666
667 uint8_t word0Reserved3; /* FC Parm Word 0, bit 0:7 */
668
669 uint32_t origProcAssoc; /* FC Parm Word 1, bit 0:31 */
670
671 uint32_t respProcAssoc; /* FC Parm Word 2, bit 0:31 */
672
673 uint32_t word3Reserved1; /* FC Parm Word 3, bit 0:31 */
674} PRLO;
675
676typedef struct _ADISC { /* Structure is in Big Endian format */
677 uint32_t hardAL_PA;
678 struct lpfc_name portName;
679 struct lpfc_name nodeName;
680 uint32_t DID;
681} ADISC;
682
683typedef struct _FARP { /* Structure is in Big Endian format */
684 uint32_t Mflags:8;
685 uint32_t Odid:24;
686#define FARP_NO_ACTION 0 /* FARP information enclosed, no
687 action */
688#define FARP_MATCH_PORT 0x1 /* Match on Responder Port Name */
689#define FARP_MATCH_NODE 0x2 /* Match on Responder Node Name */
690#define FARP_MATCH_IP 0x4 /* Match on IP address, not supported */
691#define FARP_MATCH_IPV4 0x5 /* Match on IPV4 address, not
692 supported */
693#define FARP_MATCH_IPV6 0x6 /* Match on IPV6 address, not
694 supported */
695 uint32_t Rflags:8;
696 uint32_t Rdid:24;
697#define FARP_REQUEST_PLOGI 0x1 /* Request for PLOGI */
698#define FARP_REQUEST_FARPR 0x2 /* Request for FARP Response */
699 struct lpfc_name OportName;
700 struct lpfc_name OnodeName;
701 struct lpfc_name RportName;
702 struct lpfc_name RnodeName;
703 uint8_t Oipaddr[16];
704 uint8_t Ripaddr[16];
705} FARP;
706
707typedef struct _FAN { /* Structure is in Big Endian format */
708 uint32_t Fdid;
709 struct lpfc_name FportName;
710 struct lpfc_name FnodeName;
711} FAN;
712
713typedef struct _SCR { /* Structure is in Big Endian format */
714 uint8_t resvd1;
715 uint8_t resvd2;
716 uint8_t resvd3;
717 uint8_t Function;
718#define SCR_FUNC_FABRIC 0x01
719#define SCR_FUNC_NPORT 0x02
720#define SCR_FUNC_FULL 0x03
721#define SCR_CLEAR 0xff
722} SCR;
723
724typedef struct _RNID_TOP_DISC {
725 struct lpfc_name portName;
726 uint8_t resvd[8];
727 uint32_t unitType;
728#define RNID_HBA 0x7
729#define RNID_HOST 0xa
730#define RNID_DRIVER 0xd
731 uint32_t physPort;
732 uint32_t attachedNodes;
733 uint16_t ipVersion;
734#define RNID_IPV4 0x1
735#define RNID_IPV6 0x2
736 uint16_t UDPport;
737 uint8_t ipAddr[16];
738 uint16_t resvd1;
739 uint16_t flags;
740#define RNID_TD_SUPPORT 0x1
741#define RNID_LP_VALID 0x2
742} RNID_TOP_DISC;
743
744typedef struct _RNID { /* Structure is in Big Endian format */
745 uint8_t Format;
746#define RNID_TOPOLOGY_DISC 0xdf
747 uint8_t CommonLen;
748 uint8_t resvd1;
749 uint8_t SpecificLen;
750 struct lpfc_name portName;
751 struct lpfc_name nodeName;
752 union {
753 RNID_TOP_DISC topologyDisc; /* topology disc (0xdf) */
754 } un;
755} RNID;
756
757typedef struct _RRQ { /* Structure is in Big Endian format */
758 uint32_t SID;
759 uint16_t Oxid;
760 uint16_t Rxid;
761 uint8_t resv[32]; /* optional association hdr */
762} RRQ;
763
764/* This is used for RSCN command */
765typedef struct _D_ID { /* Structure is in Big Endian format */
766 union {
767 uint32_t word;
768 struct {
769#ifdef __BIG_ENDIAN_BITFIELD
770 uint8_t resv;
771 uint8_t domain;
772 uint8_t area;
773 uint8_t id;
774#else /* __LITTLE_ENDIAN_BITFIELD */
775 uint8_t id;
776 uint8_t area;
777 uint8_t domain;
778 uint8_t resv;
779#endif
780 } b;
781 } un;
782} D_ID;
783
784/*
785 * Structure to define all ELS Payload types
786 */
787
788typedef struct _ELS_PKT { /* Structure is in Big Endian format */
789 uint8_t elsCode; /* FC Word 0, bit 24:31 */
790 uint8_t elsByte1;
791 uint8_t elsByte2;
792 uint8_t elsByte3;
793 union {
794 struct ls_rjt lsRjt; /* Payload for LS_RJT ELS response */
795 struct serv_parm logi; /* Payload for PLOGI/FLOGI/PDISC/ACC */
796 LOGO logo; /* Payload for PLOGO/FLOGO/ACC */
797 PRLI prli; /* Payload for PRLI/ACC */
798 PRLO prlo; /* Payload for PRLO/ACC */
799 ADISC adisc; /* Payload for ADISC/ACC */
800 FARP farp; /* Payload for FARP/ACC */
801 FAN fan; /* Payload for FAN */
802 SCR scr; /* Payload for SCR/ACC */
803 RRQ rrq; /* Payload for RRQ */
804 RNID rnid; /* Payload for RNID */
805 uint8_t pad[128 - 4]; /* Pad out to payload of 128 bytes */
806 } un;
807} ELS_PKT;
808
809/*
810 * FDMI
811 * HBA MAnagement Operations Command Codes
812 */
813#define SLI_MGMT_GRHL 0x100 /* Get registered HBA list */
814#define SLI_MGMT_GHAT 0x101 /* Get HBA attributes */
815#define SLI_MGMT_GRPL 0x102 /* Get registered Port list */
816#define SLI_MGMT_GPAT 0x110 /* Get Port attributes */
817#define SLI_MGMT_RHBA 0x200 /* Register HBA */
818#define SLI_MGMT_RHAT 0x201 /* Register HBA atttributes */
819#define SLI_MGMT_RPRT 0x210 /* Register Port */
820#define SLI_MGMT_RPA 0x211 /* Register Port attributes */
821#define SLI_MGMT_DHBA 0x300 /* De-register HBA */
822#define SLI_MGMT_DPRT 0x310 /* De-register Port */
823
824/*
825 * Management Service Subtypes
826 */
827#define SLI_CT_FDMI_Subtypes 0x10
828
829/*
830 * HBA Management Service Reject Code
831 */
832#define REJECT_CODE 0x9 /* Unable to perform command request */
833
834/*
835 * HBA Management Service Reject Reason Code
836 * Please refer to the Reason Codes above
837 */
838
839/*
840 * HBA Attribute Types
841 */
842#define NODE_NAME 0x1
843#define MANUFACTURER 0x2
844#define SERIAL_NUMBER 0x3
845#define MODEL 0x4
846#define MODEL_DESCRIPTION 0x5
847#define HARDWARE_VERSION 0x6
848#define DRIVER_VERSION 0x7
849#define OPTION_ROM_VERSION 0x8
850#define FIRMWARE_VERSION 0x9
851#define OS_NAME_VERSION 0xa
852#define MAX_CT_PAYLOAD_LEN 0xb
853
854/*
855 * Port Attrubute Types
856 */
857#define SUPPORTED_FC4_TYPES 0x1
858#define SUPPORTED_SPEED 0x2
859#define PORT_SPEED 0x3
860#define MAX_FRAME_SIZE 0x4
861#define OS_DEVICE_NAME 0x5
862#define HOST_NAME 0x6
863
864union AttributesDef {
865 /* Structure is in Big Endian format */
866 struct {
867 uint32_t AttrType:16;
868 uint32_t AttrLen:16;
869 } bits;
870 uint32_t word;
871};
872
873
874/*
875 * HBA Attribute Entry (8 - 260 bytes)
876 */
877typedef struct {
878 union AttributesDef ad;
879 union {
880 uint32_t VendorSpecific;
881 uint8_t Manufacturer[64];
882 uint8_t SerialNumber[64];
883 uint8_t Model[256];
884 uint8_t ModelDescription[256];
885 uint8_t HardwareVersion[256];
886 uint8_t DriverVersion[256];
887 uint8_t OptionROMVersion[256];
888 uint8_t FirmwareVersion[256];
889 struct lpfc_name NodeName;
890 uint8_t SupportFC4Types[32];
891 uint32_t SupportSpeed;
892 uint32_t PortSpeed;
893 uint32_t MaxFrameSize;
894 uint8_t OsDeviceName[256];
895 uint8_t OsNameVersion[256];
896 uint32_t MaxCTPayloadLen;
897 uint8_t HostName[256];
898 } un;
899} ATTRIBUTE_ENTRY;
900
901/*
902 * HBA Attribute Block
903 */
904typedef struct {
905 uint32_t EntryCnt; /* Number of HBA attribute entries */
906 ATTRIBUTE_ENTRY Entry; /* Variable-length array */
907} ATTRIBUTE_BLOCK;
908
909/*
910 * Port Entry
911 */
912typedef struct {
913 struct lpfc_name PortName;
914} PORT_ENTRY;
915
916/*
917 * HBA Identifier
918 */
919typedef struct {
920 struct lpfc_name PortName;
921} HBA_IDENTIFIER;
922
923/*
924 * Registered Port List Format
925 */
926typedef struct {
927 uint32_t EntryCnt;
928 PORT_ENTRY pe; /* Variable-length array */
929} REG_PORT_LIST;
930
931/*
932 * Register HBA(RHBA)
933 */
934typedef struct {
935 HBA_IDENTIFIER hi;
936 REG_PORT_LIST rpl; /* variable-length array */
937/* ATTRIBUTE_BLOCK ab; */
938} REG_HBA;
939
940/*
941 * Register HBA Attributes (RHAT)
942 */
943typedef struct {
944 struct lpfc_name HBA_PortName;
945 ATTRIBUTE_BLOCK ab;
946} REG_HBA_ATTRIBUTE;
947
948/*
949 * Register Port Attributes (RPA)
950 */
951typedef struct {
952 struct lpfc_name PortName;
953 ATTRIBUTE_BLOCK ab;
954} REG_PORT_ATTRIBUTE;
955
956/*
957 * Get Registered HBA List (GRHL) Accept Payload Format
958 */
959typedef struct {
960 uint32_t HBA__Entry_Cnt; /* Number of Registered HBA Identifiers */
961 struct lpfc_name HBA_PortName; /* Variable-length array */
962} GRHL_ACC_PAYLOAD;
963
964/*
965 * Get Registered Port List (GRPL) Accept Payload Format
966 */
967typedef struct {
968 uint32_t RPL_Entry_Cnt; /* Number of Registered Port Entries */
969 PORT_ENTRY Reg_Port_Entry[1]; /* Variable-length array */
970} GRPL_ACC_PAYLOAD;
971
972/*
973 * Get Port Attributes (GPAT) Accept Payload Format
974 */
975
976typedef struct {
977 ATTRIBUTE_BLOCK pab;
978} GPAT_ACC_PAYLOAD;
979
980
981/*
982 * Begin HBA configuration parameters.
983 * The PCI configuration register BAR assignments are:
984 * BAR0, offset 0x10 - SLIM base memory address
985 * BAR1, offset 0x14 - SLIM base memory high address
986 * BAR2, offset 0x18 - REGISTER base memory address
987 * BAR3, offset 0x1c - REGISTER base memory high address
988 * BAR4, offset 0x20 - BIU I/O registers
989 * BAR5, offset 0x24 - REGISTER base io high address
990 */
991
992/* Number of rings currently used and available. */
993#define MAX_CONFIGURED_RINGS 3
994#define MAX_RINGS 4
995
996/* IOCB / Mailbox is owned by FireFly */
997#define OWN_CHIP 1
998
999/* IOCB / Mailbox is owned by Host */
1000#define OWN_HOST 0
1001
1002/* Number of 4-byte words in an IOCB. */
1003#define IOCB_WORD_SZ 8
1004
1005/* defines for type field in fc header */
1006#define FC_ELS_DATA 0x1
1007#define FC_LLC_SNAP 0x5
1008#define FC_FCP_DATA 0x8
1009#define FC_COMMON_TRANSPORT_ULP 0x20
1010
1011/* defines for rctl field in fc header */
1012#define FC_DEV_DATA 0x0
1013#define FC_UNSOL_CTL 0x2
1014#define FC_SOL_CTL 0x3
1015#define FC_UNSOL_DATA 0x4
1016#define FC_FCP_CMND 0x6
1017#define FC_ELS_REQ 0x22
1018#define FC_ELS_RSP 0x23
1019
1020/* network headers for Dfctl field */
1021#define FC_NET_HDR 0x20
1022
1023/* Start FireFly Register definitions */
1024#define PCI_VENDOR_ID_EMULEX 0x10df
1025#define PCI_DEVICE_ID_FIREFLY 0x1ae5
1026#define PCI_DEVICE_ID_SUPERFLY 0xf700
1027#define PCI_DEVICE_ID_DRAGONFLY 0xf800
1028#define PCI_DEVICE_ID_RFLY 0xf095
1029#define PCI_DEVICE_ID_PFLY 0xf098
1030#define PCI_DEVICE_ID_TFLY 0xf0a5
1031#define PCI_DEVICE_ID_CENTAUR 0xf900
1032#define PCI_DEVICE_ID_PEGASUS 0xf980
1033#define PCI_DEVICE_ID_THOR 0xfa00
1034#define PCI_DEVICE_ID_VIPER 0xfb00
1035#define PCI_DEVICE_ID_HELIOS 0xfd00
1036#define PCI_DEVICE_ID_BMID 0xf0d5
1037#define PCI_DEVICE_ID_BSMB 0xf0d1
1038#define PCI_DEVICE_ID_ZEPHYR 0xfe00
1039#define PCI_DEVICE_ID_ZMID 0xf0e5
1040#define PCI_DEVICE_ID_ZSMB 0xf0e1
1041#define PCI_DEVICE_ID_LP101 0xf0a1
1042#define PCI_DEVICE_ID_LP10000S 0xfc00
1043
1044#define JEDEC_ID_ADDRESS 0x0080001c
1045#define FIREFLY_JEDEC_ID 0x1ACC
1046#define SUPERFLY_JEDEC_ID 0x0020
1047#define DRAGONFLY_JEDEC_ID 0x0021
1048#define DRAGONFLY_V2_JEDEC_ID 0x0025
1049#define CENTAUR_2G_JEDEC_ID 0x0026
1050#define CENTAUR_1G_JEDEC_ID 0x0028
1051#define PEGASUS_ORION_JEDEC_ID 0x0036
1052#define PEGASUS_JEDEC_ID 0x0038
1053#define THOR_JEDEC_ID 0x0012
1054#define HELIOS_JEDEC_ID 0x0364
1055#define ZEPHYR_JEDEC_ID 0x0577
1056#define VIPER_JEDEC_ID 0x4838
1057
1058#define JEDEC_ID_MASK 0x0FFFF000
1059#define JEDEC_ID_SHIFT 12
1060#define FC_JEDEC_ID(id) ((id & JEDEC_ID_MASK) >> JEDEC_ID_SHIFT)
1061
1062typedef struct { /* FireFly BIU registers */
1063 uint32_t hostAtt; /* See definitions for Host Attention
1064 register */
1065 uint32_t chipAtt; /* See definitions for Chip Attention
1066 register */
1067 uint32_t hostStatus; /* See definitions for Host Status register */
1068 uint32_t hostControl; /* See definitions for Host Control register */
1069 uint32_t buiConfig; /* See definitions for BIU configuration
1070 register */
1071} FF_REGS;
1072
1073/* IO Register size in bytes */
1074#define FF_REG_AREA_SIZE 256
1075
1076/* Host Attention Register */
1077
1078#define HA_REG_OFFSET 0 /* Byte offset from register base address */
1079
1080#define HA_R0RE_REQ 0x00000001 /* Bit 0 */
1081#define HA_R0CE_RSP 0x00000002 /* Bit 1 */
1082#define HA_R0ATT 0x00000008 /* Bit 3 */
1083#define HA_R1RE_REQ 0x00000010 /* Bit 4 */
1084#define HA_R1CE_RSP 0x00000020 /* Bit 5 */
1085#define HA_R1ATT 0x00000080 /* Bit 7 */
1086#define HA_R2RE_REQ 0x00000100 /* Bit 8 */
1087#define HA_R2CE_RSP 0x00000200 /* Bit 9 */
1088#define HA_R2ATT 0x00000800 /* Bit 11 */
1089#define HA_R3RE_REQ 0x00001000 /* Bit 12 */
1090#define HA_R3CE_RSP 0x00002000 /* Bit 13 */
1091#define HA_R3ATT 0x00008000 /* Bit 15 */
1092#define HA_LATT 0x20000000 /* Bit 29 */
1093#define HA_MBATT 0x40000000 /* Bit 30 */
1094#define HA_ERATT 0x80000000 /* Bit 31 */
1095
1096#define HA_RXRE_REQ 0x00000001 /* Bit 0 */
1097#define HA_RXCE_RSP 0x00000002 /* Bit 1 */
1098#define HA_RXATT 0x00000008 /* Bit 3 */
1099#define HA_RXMASK 0x0000000f
1100
1101/* Chip Attention Register */
1102
1103#define CA_REG_OFFSET 4 /* Byte offset from register base address */
1104
1105#define CA_R0CE_REQ 0x00000001 /* Bit 0 */
1106#define CA_R0RE_RSP 0x00000002 /* Bit 1 */
1107#define CA_R0ATT 0x00000008 /* Bit 3 */
1108#define CA_R1CE_REQ 0x00000010 /* Bit 4 */
1109#define CA_R1RE_RSP 0x00000020 /* Bit 5 */
1110#define CA_R1ATT 0x00000080 /* Bit 7 */
1111#define CA_R2CE_REQ 0x00000100 /* Bit 8 */
1112#define CA_R2RE_RSP 0x00000200 /* Bit 9 */
1113#define CA_R2ATT 0x00000800 /* Bit 11 */
1114#define CA_R3CE_REQ 0x00001000 /* Bit 12 */
1115#define CA_R3RE_RSP 0x00002000 /* Bit 13 */
1116#define CA_R3ATT 0x00008000 /* Bit 15 */
1117#define CA_MBATT 0x40000000 /* Bit 30 */
1118
1119/* Host Status Register */
1120
1121#define HS_REG_OFFSET 8 /* Byte offset from register base address */
1122
1123#define HS_MBRDY 0x00400000 /* Bit 22 */
1124#define HS_FFRDY 0x00800000 /* Bit 23 */
1125#define HS_FFER8 0x01000000 /* Bit 24 */
1126#define HS_FFER7 0x02000000 /* Bit 25 */
1127#define HS_FFER6 0x04000000 /* Bit 26 */
1128#define HS_FFER5 0x08000000 /* Bit 27 */
1129#define HS_FFER4 0x10000000 /* Bit 28 */
1130#define HS_FFER3 0x20000000 /* Bit 29 */
1131#define HS_FFER2 0x40000000 /* Bit 30 */
1132#define HS_FFER1 0x80000000 /* Bit 31 */
1133#define HS_FFERM 0xFF000000 /* Mask for error bits 31:24 */
1134
1135/* Host Control Register */
1136
1137#define HC_REG_OFFSET 12 /* Word offset from register base address */
1138
1139#define HC_MBINT_ENA 0x00000001 /* Bit 0 */
1140#define HC_R0INT_ENA 0x00000002 /* Bit 1 */
1141#define HC_R1INT_ENA 0x00000004 /* Bit 2 */
1142#define HC_R2INT_ENA 0x00000008 /* Bit 3 */
1143#define HC_R3INT_ENA 0x00000010 /* Bit 4 */
1144#define HC_INITHBI 0x02000000 /* Bit 25 */
1145#define HC_INITMB 0x04000000 /* Bit 26 */
1146#define HC_INITFF 0x08000000 /* Bit 27 */
1147#define HC_LAINT_ENA 0x20000000 /* Bit 29 */
1148#define HC_ERINT_ENA 0x80000000 /* Bit 31 */
1149
1150/* Mailbox Commands */
1151#define MBX_SHUTDOWN 0x00 /* terminate testing */
1152#define MBX_LOAD_SM 0x01
1153#define MBX_READ_NV 0x02
1154#define MBX_WRITE_NV 0x03
1155#define MBX_RUN_BIU_DIAG 0x04
1156#define MBX_INIT_LINK 0x05
1157#define MBX_DOWN_LINK 0x06
1158#define MBX_CONFIG_LINK 0x07
1159#define MBX_CONFIG_RING 0x09
1160#define MBX_RESET_RING 0x0A
1161#define MBX_READ_CONFIG 0x0B
1162#define MBX_READ_RCONFIG 0x0C
1163#define MBX_READ_SPARM 0x0D
1164#define MBX_READ_STATUS 0x0E
1165#define MBX_READ_RPI 0x0F
1166#define MBX_READ_XRI 0x10
1167#define MBX_READ_REV 0x11
1168#define MBX_READ_LNK_STAT 0x12
1169#define MBX_REG_LOGIN 0x13
1170#define MBX_UNREG_LOGIN 0x14
1171#define MBX_READ_LA 0x15
1172#define MBX_CLEAR_LA 0x16
1173#define MBX_DUMP_MEMORY 0x17
1174#define MBX_DUMP_CONTEXT 0x18
1175#define MBX_RUN_DIAGS 0x19
1176#define MBX_RESTART 0x1A
1177#define MBX_UPDATE_CFG 0x1B
1178#define MBX_DOWN_LOAD 0x1C
1179#define MBX_DEL_LD_ENTRY 0x1D
1180#define MBX_RUN_PROGRAM 0x1E
1181#define MBX_SET_MASK 0x20
1182#define MBX_SET_SLIM 0x21
1183#define MBX_UNREG_D_ID 0x23
1184#define MBX_CONFIG_FARP 0x25
1185
1186#define MBX_LOAD_AREA 0x81
1187#define MBX_RUN_BIU_DIAG64 0x84
1188#define MBX_CONFIG_PORT 0x88
1189#define MBX_READ_SPARM64 0x8D
1190#define MBX_READ_RPI64 0x8F
1191#define MBX_REG_LOGIN64 0x93
1192#define MBX_READ_LA64 0x95
1193
1194#define MBX_FLASH_WR_ULA 0x98
1195#define MBX_SET_DEBUG 0x99
1196#define MBX_LOAD_EXP_ROM 0x9C
1197
1198#define MBX_MAX_CMDS 0x9D
1199#define MBX_SLI2_CMD_MASK 0x80
1200
1201/* IOCB Commands */
1202
1203#define CMD_RCV_SEQUENCE_CX 0x01
1204#define CMD_XMIT_SEQUENCE_CR 0x02
1205#define CMD_XMIT_SEQUENCE_CX 0x03
1206#define CMD_XMIT_BCAST_CN 0x04
1207#define CMD_XMIT_BCAST_CX 0x05
1208#define CMD_QUE_RING_BUF_CN 0x06
1209#define CMD_QUE_XRI_BUF_CX 0x07
1210#define CMD_IOCB_CONTINUE_CN 0x08
1211#define CMD_RET_XRI_BUF_CX 0x09
1212#define CMD_ELS_REQUEST_CR 0x0A
1213#define CMD_ELS_REQUEST_CX 0x0B
1214#define CMD_RCV_ELS_REQ_CX 0x0D
1215#define CMD_ABORT_XRI_CN 0x0E
1216#define CMD_ABORT_XRI_CX 0x0F
1217#define CMD_CLOSE_XRI_CN 0x10
1218#define CMD_CLOSE_XRI_CX 0x11
1219#define CMD_CREATE_XRI_CR 0x12
1220#define CMD_CREATE_XRI_CX 0x13
1221#define CMD_GET_RPI_CN 0x14
1222#define CMD_XMIT_ELS_RSP_CX 0x15
1223#define CMD_GET_RPI_CR 0x16
1224#define CMD_XRI_ABORTED_CX 0x17
1225#define CMD_FCP_IWRITE_CR 0x18
1226#define CMD_FCP_IWRITE_CX 0x19
1227#define CMD_FCP_IREAD_CR 0x1A
1228#define CMD_FCP_IREAD_CX 0x1B
1229#define CMD_FCP_ICMND_CR 0x1C
1230#define CMD_FCP_ICMND_CX 0x1D
1231
1232#define CMD_ADAPTER_MSG 0x20
1233#define CMD_ADAPTER_DUMP 0x22
1234
1235/* SLI_2 IOCB Command Set */
1236
1237#define CMD_RCV_SEQUENCE64_CX 0x81
1238#define CMD_XMIT_SEQUENCE64_CR 0x82
1239#define CMD_XMIT_SEQUENCE64_CX 0x83
1240#define CMD_XMIT_BCAST64_CN 0x84
1241#define CMD_XMIT_BCAST64_CX 0x85
1242#define CMD_QUE_RING_BUF64_CN 0x86
1243#define CMD_QUE_XRI_BUF64_CX 0x87
1244#define CMD_IOCB_CONTINUE64_CN 0x88
1245#define CMD_RET_XRI_BUF64_CX 0x89
1246#define CMD_ELS_REQUEST64_CR 0x8A
1247#define CMD_ELS_REQUEST64_CX 0x8B
1248#define CMD_ABORT_MXRI64_CN 0x8C
1249#define CMD_RCV_ELS_REQ64_CX 0x8D
1250#define CMD_XMIT_ELS_RSP64_CX 0x95
1251#define CMD_FCP_IWRITE64_CR 0x98
1252#define CMD_FCP_IWRITE64_CX 0x99
1253#define CMD_FCP_IREAD64_CR 0x9A
1254#define CMD_FCP_IREAD64_CX 0x9B
1255#define CMD_FCP_ICMND64_CR 0x9C
1256#define CMD_FCP_ICMND64_CX 0x9D
1257
1258#define CMD_GEN_REQUEST64_CR 0xC2
1259#define CMD_GEN_REQUEST64_CX 0xC3
1260
1261#define CMD_MAX_IOCB_CMD 0xE6
1262#define CMD_IOCB_MASK 0xff
1263
1264#define MAX_MSG_DATA 28 /* max msg data in CMD_ADAPTER_MSG
1265 iocb */
1266#define LPFC_MAX_ADPTMSG 32 /* max msg data */
1267/*
1268 * Define Status
1269 */
1270#define MBX_SUCCESS 0
1271#define MBXERR_NUM_RINGS 1
1272#define MBXERR_NUM_IOCBS 2
1273#define MBXERR_IOCBS_EXCEEDED 3
1274#define MBXERR_BAD_RING_NUMBER 4
1275#define MBXERR_MASK_ENTRIES_RANGE 5
1276#define MBXERR_MASKS_EXCEEDED 6
1277#define MBXERR_BAD_PROFILE 7
1278#define MBXERR_BAD_DEF_CLASS 8
1279#define MBXERR_BAD_MAX_RESPONDER 9
1280#define MBXERR_BAD_MAX_ORIGINATOR 10
1281#define MBXERR_RPI_REGISTERED 11
1282#define MBXERR_RPI_FULL 12
1283#define MBXERR_NO_RESOURCES 13
1284#define MBXERR_BAD_RCV_LENGTH 14
1285#define MBXERR_DMA_ERROR 15
1286#define MBXERR_ERROR 16
1287#define MBX_NOT_FINISHED 255
1288
1289#define MBX_BUSY 0xffffff /* Attempted cmd to busy Mailbox */
1290#define MBX_TIMEOUT 0xfffffe /* time-out expired waiting for */
1291
1292/*
1293 * Begin Structure Definitions for Mailbox Commands
1294 */
1295
1296typedef struct {
1297#ifdef __BIG_ENDIAN_BITFIELD
1298 uint8_t tval;
1299 uint8_t tmask;
1300 uint8_t rval;
1301 uint8_t rmask;
1302#else /* __LITTLE_ENDIAN_BITFIELD */
1303 uint8_t rmask;
1304 uint8_t rval;
1305 uint8_t tmask;
1306 uint8_t tval;
1307#endif
1308} RR_REG;
1309
1310struct ulp_bde {
1311 uint32_t bdeAddress;
1312#ifdef __BIG_ENDIAN_BITFIELD
1313 uint32_t bdeReserved:4;
1314 uint32_t bdeAddrHigh:4;
1315 uint32_t bdeSize:24;
1316#else /* __LITTLE_ENDIAN_BITFIELD */
1317 uint32_t bdeSize:24;
1318 uint32_t bdeAddrHigh:4;
1319 uint32_t bdeReserved:4;
1320#endif
1321};
1322
1323struct ulp_bde64 { /* SLI-2 */
1324 union ULP_BDE_TUS {
1325 uint32_t w;
1326 struct {
1327#ifdef __BIG_ENDIAN_BITFIELD
1328 uint32_t bdeFlags:8; /* BDE Flags 0 IS A SUPPORTED
1329 VALUE !! */
1330 uint32_t bdeSize:24; /* Size of buffer (in bytes) */
1331#else /* __LITTLE_ENDIAN_BITFIELD */
1332 uint32_t bdeSize:24; /* Size of buffer (in bytes) */
1333 uint32_t bdeFlags:8; /* BDE Flags 0 IS A SUPPORTED
1334 VALUE !! */
1335#endif
1336
1337#define BUFF_USE_RSVD 0x01 /* bdeFlags */
1338#define BUFF_USE_INTRPT 0x02 /* Not Implemented with LP6000 */
1339#define BUFF_USE_CMND 0x04 /* Optional, 1=cmd/rsp 0=data buffer */
1340#define BUFF_USE_RCV 0x08 /* "" "", 1=rcv buffer, 0=xmit
1341 buffer */
1342#define BUFF_TYPE_32BIT 0x10 /* "" "", 1=32 bit addr 0=64 bit
1343 addr */
1344#define BUFF_TYPE_SPECIAL 0x20 /* Not Implemented with LP6000 */
1345#define BUFF_TYPE_BDL 0x40 /* Optional, may be set in BDL */
1346#define BUFF_TYPE_INVALID 0x80 /* "" "" */
1347 } f;
1348 } tus;
1349 uint32_t addrLow;
1350 uint32_t addrHigh;
1351};
1352#define BDE64_SIZE_WORD 0
1353#define BPL64_SIZE_WORD 0x40
1354
1355typedef struct ULP_BDL { /* SLI-2 */
1356#ifdef __BIG_ENDIAN_BITFIELD
1357 uint32_t bdeFlags:8; /* BDL Flags */
1358 uint32_t bdeSize:24; /* Size of BDL array in host memory (bytes) */
1359#else /* __LITTLE_ENDIAN_BITFIELD */
1360 uint32_t bdeSize:24; /* Size of BDL array in host memory (bytes) */
1361 uint32_t bdeFlags:8; /* BDL Flags */
1362#endif
1363
1364 uint32_t addrLow; /* Address 0:31 */
1365 uint32_t addrHigh; /* Address 32:63 */
1366 uint32_t ulpIoTag32; /* Can be used for 32 bit I/O Tag */
1367} ULP_BDL;
1368
1369/* Structure for MB Command LOAD_SM and DOWN_LOAD */
1370
1371typedef struct {
1372#ifdef __BIG_ENDIAN_BITFIELD
1373 uint32_t rsvd2:25;
1374 uint32_t acknowledgment:1;
1375 uint32_t version:1;
1376 uint32_t erase_or_prog:1;
1377 uint32_t update_flash:1;
1378 uint32_t update_ram:1;
1379 uint32_t method:1;
1380 uint32_t load_cmplt:1;
1381#else /* __LITTLE_ENDIAN_BITFIELD */
1382 uint32_t load_cmplt:1;
1383 uint32_t method:1;
1384 uint32_t update_ram:1;
1385 uint32_t update_flash:1;
1386 uint32_t erase_or_prog:1;
1387 uint32_t version:1;
1388 uint32_t acknowledgment:1;
1389 uint32_t rsvd2:25;
1390#endif
1391
1392 uint32_t dl_to_adr_low;
1393 uint32_t dl_to_adr_high;
1394 uint32_t dl_len;
1395 union {
1396 uint32_t dl_from_mbx_offset;
1397 struct ulp_bde dl_from_bde;
1398 struct ulp_bde64 dl_from_bde64;
1399 } un;
1400
1401} LOAD_SM_VAR;
1402
1403/* Structure for MB Command READ_NVPARM (02) */
1404
1405typedef struct {
1406 uint32_t rsvd1[3]; /* Read as all one's */
1407 uint32_t rsvd2; /* Read as all zero's */
1408 uint32_t portname[2]; /* N_PORT name */
1409 uint32_t nodename[2]; /* NODE name */
1410
1411#ifdef __BIG_ENDIAN_BITFIELD
1412 uint32_t pref_DID:24;
1413 uint32_t hardAL_PA:8;
1414#else /* __LITTLE_ENDIAN_BITFIELD */
1415 uint32_t hardAL_PA:8;
1416 uint32_t pref_DID:24;
1417#endif
1418
1419 uint32_t rsvd3[21]; /* Read as all one's */
1420} READ_NV_VAR;
1421
1422/* Structure for MB Command WRITE_NVPARMS (03) */
1423
1424typedef struct {
1425 uint32_t rsvd1[3]; /* Must be all one's */
1426 uint32_t rsvd2; /* Must be all zero's */
1427 uint32_t portname[2]; /* N_PORT name */
1428 uint32_t nodename[2]; /* NODE name */
1429
1430#ifdef __BIG_ENDIAN_BITFIELD
1431 uint32_t pref_DID:24;
1432 uint32_t hardAL_PA:8;
1433#else /* __LITTLE_ENDIAN_BITFIELD */
1434 uint32_t hardAL_PA:8;
1435 uint32_t pref_DID:24;
1436#endif
1437
1438 uint32_t rsvd3[21]; /* Must be all one's */
1439} WRITE_NV_VAR;
1440
1441/* Structure for MB Command RUN_BIU_DIAG (04) */
1442/* Structure for MB Command RUN_BIU_DIAG64 (0x84) */
1443
1444typedef struct {
1445 uint32_t rsvd1;
1446 union {
1447 struct {
1448 struct ulp_bde xmit_bde;
1449 struct ulp_bde rcv_bde;
1450 } s1;
1451 struct {
1452 struct ulp_bde64 xmit_bde64;
1453 struct ulp_bde64 rcv_bde64;
1454 } s2;
1455 } un;
1456} BIU_DIAG_VAR;
1457
1458/* Structure for MB Command INIT_LINK (05) */
1459
1460typedef struct {
1461#ifdef __BIG_ENDIAN_BITFIELD
1462 uint32_t rsvd1:24;
1463 uint32_t lipsr_AL_PA:8; /* AL_PA to issue Lip Selective Reset to */
1464#else /* __LITTLE_ENDIAN_BITFIELD */
1465 uint32_t lipsr_AL_PA:8; /* AL_PA to issue Lip Selective Reset to */
1466 uint32_t rsvd1:24;
1467#endif
1468
1469#ifdef __BIG_ENDIAN_BITFIELD
1470 uint8_t fabric_AL_PA; /* If using a Fabric Assigned AL_PA */
1471 uint8_t rsvd2;
1472 uint16_t link_flags;
1473#else /* __LITTLE_ENDIAN_BITFIELD */
1474 uint16_t link_flags;
1475 uint8_t rsvd2;
1476 uint8_t fabric_AL_PA; /* If using a Fabric Assigned AL_PA */
1477#endif
1478
1479#define FLAGS_LOCAL_LB 0x01 /* link_flags (=1) ENDEC loopback */
1480#define FLAGS_TOPOLOGY_MODE_LOOP_PT 0x00 /* Attempt loop then pt-pt */
1481#define FLAGS_TOPOLOGY_MODE_PT_PT 0x02 /* Attempt pt-pt only */
1482#define FLAGS_TOPOLOGY_MODE_LOOP 0x04 /* Attempt loop only */
1483#define FLAGS_TOPOLOGY_MODE_PT_LOOP 0x06 /* Attempt pt-pt then loop */
1484#define FLAGS_LIRP_LILP 0x80 /* LIRP / LILP is disabled */
1485
1486#define FLAGS_TOPOLOGY_FAILOVER 0x0400 /* Bit 10 */
1487#define FLAGS_LINK_SPEED 0x0800 /* Bit 11 */
1488
1489 uint32_t link_speed;
1490#define LINK_SPEED_AUTO 0 /* Auto selection */
1491#define LINK_SPEED_1G 1 /* 1 Gigabaud */
1492#define LINK_SPEED_2G 2 /* 2 Gigabaud */
1493#define LINK_SPEED_4G 4 /* 4 Gigabaud */
1494#define LINK_SPEED_8G 8 /* 4 Gigabaud */
1495#define LINK_SPEED_10G 16 /* 10 Gigabaud */
1496
1497} INIT_LINK_VAR;
1498
1499/* Structure for MB Command DOWN_LINK (06) */
1500
1501typedef struct {
1502 uint32_t rsvd1;
1503} DOWN_LINK_VAR;
1504
1505/* Structure for MB Command CONFIG_LINK (07) */
1506
1507typedef struct {
1508#ifdef __BIG_ENDIAN_BITFIELD
1509 uint32_t cr:1;
1510 uint32_t ci:1;
1511 uint32_t cr_delay:6;
1512 uint32_t cr_count:8;
1513 uint32_t rsvd1:8;
1514 uint32_t MaxBBC:8;
1515#else /* __LITTLE_ENDIAN_BITFIELD */
1516 uint32_t MaxBBC:8;
1517 uint32_t rsvd1:8;
1518 uint32_t cr_count:8;
1519 uint32_t cr_delay:6;
1520 uint32_t ci:1;
1521 uint32_t cr:1;
1522#endif
1523
1524 uint32_t myId;
1525 uint32_t rsvd2;
1526 uint32_t edtov;
1527 uint32_t arbtov;
1528 uint32_t ratov;
1529 uint32_t rttov;
1530 uint32_t altov;
1531 uint32_t crtov;
1532 uint32_t citov;
1533#ifdef __BIG_ENDIAN_BITFIELD
1534 uint32_t rrq_enable:1;
1535 uint32_t rrq_immed:1;
1536 uint32_t rsvd4:29;
1537 uint32_t ack0_enable:1;
1538#else /* __LITTLE_ENDIAN_BITFIELD */
1539 uint32_t ack0_enable:1;
1540 uint32_t rsvd4:29;
1541 uint32_t rrq_immed:1;
1542 uint32_t rrq_enable:1;
1543#endif
1544} CONFIG_LINK;
1545
1546/* Structure for MB Command PART_SLIM (08)
1547 * will be removed since SLI1 is no longer supported!
1548 */
1549typedef struct {
1550#ifdef __BIG_ENDIAN_BITFIELD
1551 uint16_t offCiocb;
1552 uint16_t numCiocb;
1553 uint16_t offRiocb;
1554 uint16_t numRiocb;
1555#else /* __LITTLE_ENDIAN_BITFIELD */
1556 uint16_t numCiocb;
1557 uint16_t offCiocb;
1558 uint16_t numRiocb;
1559 uint16_t offRiocb;
1560#endif
1561} RING_DEF;
1562
1563typedef struct {
1564#ifdef __BIG_ENDIAN_BITFIELD
1565 uint32_t unused1:24;
1566 uint32_t numRing:8;
1567#else /* __LITTLE_ENDIAN_BITFIELD */
1568 uint32_t numRing:8;
1569 uint32_t unused1:24;
1570#endif
1571
1572 RING_DEF ringdef[4];
1573 uint32_t hbainit;
1574} PART_SLIM_VAR;
1575
1576/* Structure for MB Command CONFIG_RING (09) */
1577
1578typedef struct {
1579#ifdef __BIG_ENDIAN_BITFIELD
1580 uint32_t unused2:6;
1581 uint32_t recvSeq:1;
1582 uint32_t recvNotify:1;
1583 uint32_t numMask:8;
1584 uint32_t profile:8;
1585 uint32_t unused1:4;
1586 uint32_t ring:4;
1587#else /* __LITTLE_ENDIAN_BITFIELD */
1588 uint32_t ring:4;
1589 uint32_t unused1:4;
1590 uint32_t profile:8;
1591 uint32_t numMask:8;
1592 uint32_t recvNotify:1;
1593 uint32_t recvSeq:1;
1594 uint32_t unused2:6;
1595#endif
1596
1597#ifdef __BIG_ENDIAN_BITFIELD
1598 uint16_t maxRespXchg;
1599 uint16_t maxOrigXchg;
1600#else /* __LITTLE_ENDIAN_BITFIELD */
1601 uint16_t maxOrigXchg;
1602 uint16_t maxRespXchg;
1603#endif
1604
1605 RR_REG rrRegs[6];
1606} CONFIG_RING_VAR;
1607
1608/* Structure for MB Command RESET_RING (10) */
1609
1610typedef struct {
1611 uint32_t ring_no;
1612} RESET_RING_VAR;
1613
1614/* Structure for MB Command READ_CONFIG (11) */
1615
1616typedef struct {
1617#ifdef __BIG_ENDIAN_BITFIELD
1618 uint32_t cr:1;
1619 uint32_t ci:1;
1620 uint32_t cr_delay:6;
1621 uint32_t cr_count:8;
1622 uint32_t InitBBC:8;
1623 uint32_t MaxBBC:8;
1624#else /* __LITTLE_ENDIAN_BITFIELD */
1625 uint32_t MaxBBC:8;
1626 uint32_t InitBBC:8;
1627 uint32_t cr_count:8;
1628 uint32_t cr_delay:6;
1629 uint32_t ci:1;
1630 uint32_t cr:1;
1631#endif
1632
1633#ifdef __BIG_ENDIAN_BITFIELD
1634 uint32_t topology:8;
1635 uint32_t myDid:24;
1636#else /* __LITTLE_ENDIAN_BITFIELD */
1637 uint32_t myDid:24;
1638 uint32_t topology:8;
1639#endif
1640
1641 /* Defines for topology (defined previously) */
1642#ifdef __BIG_ENDIAN_BITFIELD
1643 uint32_t AR:1;
1644 uint32_t IR:1;
1645 uint32_t rsvd1:29;
1646 uint32_t ack0:1;
1647#else /* __LITTLE_ENDIAN_BITFIELD */
1648 uint32_t ack0:1;
1649 uint32_t rsvd1:29;
1650 uint32_t IR:1;
1651 uint32_t AR:1;
1652#endif
1653
1654 uint32_t edtov;
1655 uint32_t arbtov;
1656 uint32_t ratov;
1657 uint32_t rttov;
1658 uint32_t altov;
1659 uint32_t lmt;
1660#define LMT_RESERVED 0x0 /* Not used */
1661#define LMT_266_10bit 0x1 /* 265.625 Mbaud 10 bit iface */
1662#define LMT_532_10bit 0x2 /* 531.25 Mbaud 10 bit iface */
1663#define LMT_1063_20bit 0x3 /* 1062.5 Mbaud 20 bit iface */
1664#define LMT_1063_10bit 0x4 /* 1062.5 Mbaud 10 bit iface */
1665#define LMT_2125_10bit 0x8 /* 2125 Mbaud 10 bit iface */
1666#define LMT_4250_10bit 0x40 /* 4250 Mbaud 10 bit iface */
1667
1668 uint32_t rsvd2;
1669 uint32_t rsvd3;
1670 uint32_t max_xri;
1671 uint32_t max_iocb;
1672 uint32_t max_rpi;
1673 uint32_t avail_xri;
1674 uint32_t avail_iocb;
1675 uint32_t avail_rpi;
1676 uint32_t default_rpi;
1677} READ_CONFIG_VAR;
1678
1679/* Structure for MB Command READ_RCONFIG (12) */
1680
1681typedef struct {
1682#ifdef __BIG_ENDIAN_BITFIELD
1683 uint32_t rsvd2:7;
1684 uint32_t recvNotify:1;
1685 uint32_t numMask:8;
1686 uint32_t profile:8;
1687 uint32_t rsvd1:4;
1688 uint32_t ring:4;
1689#else /* __LITTLE_ENDIAN_BITFIELD */
1690 uint32_t ring:4;
1691 uint32_t rsvd1:4;
1692 uint32_t profile:8;
1693 uint32_t numMask:8;
1694 uint32_t recvNotify:1;
1695 uint32_t rsvd2:7;
1696#endif
1697
1698#ifdef __BIG_ENDIAN_BITFIELD
1699 uint16_t maxResp;
1700 uint16_t maxOrig;
1701#else /* __LITTLE_ENDIAN_BITFIELD */
1702 uint16_t maxOrig;
1703 uint16_t maxResp;
1704#endif
1705
1706 RR_REG rrRegs[6];
1707
1708#ifdef __BIG_ENDIAN_BITFIELD
1709 uint16_t cmdRingOffset;
1710 uint16_t cmdEntryCnt;
1711 uint16_t rspRingOffset;
1712 uint16_t rspEntryCnt;
1713 uint16_t nextCmdOffset;
1714 uint16_t rsvd3;
1715 uint16_t nextRspOffset;
1716 uint16_t rsvd4;
1717#else /* __LITTLE_ENDIAN_BITFIELD */
1718 uint16_t cmdEntryCnt;
1719 uint16_t cmdRingOffset;
1720 uint16_t rspEntryCnt;
1721 uint16_t rspRingOffset;
1722 uint16_t rsvd3;
1723 uint16_t nextCmdOffset;
1724 uint16_t rsvd4;
1725 uint16_t nextRspOffset;
1726#endif
1727} READ_RCONF_VAR;
1728
1729/* Structure for MB Command READ_SPARM (13) */
1730/* Structure for MB Command READ_SPARM64 (0x8D) */
1731
1732typedef struct {
1733 uint32_t rsvd1;
1734 uint32_t rsvd2;
1735 union {
1736 struct ulp_bde sp; /* This BDE points to struct serv_parm
1737 structure */
1738 struct ulp_bde64 sp64;
1739 } un;
1740} READ_SPARM_VAR;
1741
1742/* Structure for MB Command READ_STATUS (14) */
1743
1744typedef struct {
1745#ifdef __BIG_ENDIAN_BITFIELD
1746 uint32_t rsvd1:31;
1747 uint32_t clrCounters:1;
1748 uint16_t activeXriCnt;
1749 uint16_t activeRpiCnt;
1750#else /* __LITTLE_ENDIAN_BITFIELD */
1751 uint32_t clrCounters:1;
1752 uint32_t rsvd1:31;
1753 uint16_t activeRpiCnt;
1754 uint16_t activeXriCnt;
1755#endif
1756
1757 uint32_t xmitByteCnt;
1758 uint32_t rcvByteCnt;
1759 uint32_t xmitFrameCnt;
1760 uint32_t rcvFrameCnt;
1761 uint32_t xmitSeqCnt;
1762 uint32_t rcvSeqCnt;
1763 uint32_t totalOrigExchanges;
1764 uint32_t totalRespExchanges;
1765 uint32_t rcvPbsyCnt;
1766 uint32_t rcvFbsyCnt;
1767} READ_STATUS_VAR;
1768
1769/* Structure for MB Command READ_RPI (15) */
1770/* Structure for MB Command READ_RPI64 (0x8F) */
1771
1772typedef struct {
1773#ifdef __BIG_ENDIAN_BITFIELD
1774 uint16_t nextRpi;
1775 uint16_t reqRpi;
1776 uint32_t rsvd2:8;
1777 uint32_t DID:24;
1778#else /* __LITTLE_ENDIAN_BITFIELD */
1779 uint16_t reqRpi;
1780 uint16_t nextRpi;
1781 uint32_t DID:24;
1782 uint32_t rsvd2:8;
1783#endif
1784
1785 union {
1786 struct ulp_bde sp;
1787 struct ulp_bde64 sp64;
1788 } un;
1789
1790} READ_RPI_VAR;
1791
1792/* Structure for MB Command READ_XRI (16) */
1793
1794typedef struct {
1795#ifdef __BIG_ENDIAN_BITFIELD
1796 uint16_t nextXri;
1797 uint16_t reqXri;
1798 uint16_t rsvd1;
1799 uint16_t rpi;
1800 uint32_t rsvd2:8;
1801 uint32_t DID:24;
1802 uint32_t rsvd3:8;
1803 uint32_t SID:24;
1804 uint32_t rsvd4;
1805 uint8_t seqId;
1806 uint8_t rsvd5;
1807 uint16_t seqCount;
1808 uint16_t oxId;
1809 uint16_t rxId;
1810 uint32_t rsvd6:30;
1811 uint32_t si:1;
1812 uint32_t exchOrig:1;
1813#else /* __LITTLE_ENDIAN_BITFIELD */
1814 uint16_t reqXri;
1815 uint16_t nextXri;
1816 uint16_t rpi;
1817 uint16_t rsvd1;
1818 uint32_t DID:24;
1819 uint32_t rsvd2:8;
1820 uint32_t SID:24;
1821 uint32_t rsvd3:8;
1822 uint32_t rsvd4;
1823 uint16_t seqCount;
1824 uint8_t rsvd5;
1825 uint8_t seqId;
1826 uint16_t rxId;
1827 uint16_t oxId;
1828 uint32_t exchOrig:1;
1829 uint32_t si:1;
1830 uint32_t rsvd6:30;
1831#endif
1832} READ_XRI_VAR;
1833
1834/* Structure for MB Command READ_REV (17) */
1835
1836typedef struct {
1837#ifdef __BIG_ENDIAN_BITFIELD
1838 uint32_t cv:1;
1839 uint32_t rr:1;
1840 uint32_t rsvd1:29;
1841 uint32_t rv:1;
1842#else /* __LITTLE_ENDIAN_BITFIELD */
1843 uint32_t rv:1;
1844 uint32_t rsvd1:29;
1845 uint32_t rr:1;
1846 uint32_t cv:1;
1847#endif
1848
1849 uint32_t biuRev;
1850 uint32_t smRev;
1851 union {
1852 uint32_t smFwRev;
1853 struct {
1854#ifdef __BIG_ENDIAN_BITFIELD
1855 uint8_t ProgType;
1856 uint8_t ProgId;
1857 uint16_t ProgVer:4;
1858 uint16_t ProgRev:4;
1859 uint16_t ProgFixLvl:2;
1860 uint16_t ProgDistType:2;
1861 uint16_t DistCnt:4;
1862#else /* __LITTLE_ENDIAN_BITFIELD */
1863 uint16_t DistCnt:4;
1864 uint16_t ProgDistType:2;
1865 uint16_t ProgFixLvl:2;
1866 uint16_t ProgRev:4;
1867 uint16_t ProgVer:4;
1868 uint8_t ProgId;
1869 uint8_t ProgType;
1870#endif
1871
1872 } b;
1873 } un;
1874 uint32_t endecRev;
1875#ifdef __BIG_ENDIAN_BITFIELD
1876 uint8_t feaLevelHigh;
1877 uint8_t feaLevelLow;
1878 uint8_t fcphHigh;
1879 uint8_t fcphLow;
1880#else /* __LITTLE_ENDIAN_BITFIELD */
1881 uint8_t fcphLow;
1882 uint8_t fcphHigh;
1883 uint8_t feaLevelLow;
1884 uint8_t feaLevelHigh;
1885#endif
1886
1887 uint32_t postKernRev;
1888 uint32_t opFwRev;
1889 uint8_t opFwName[16];
1890 uint32_t sli1FwRev;
1891 uint8_t sli1FwName[16];
1892 uint32_t sli2FwRev;
1893 uint8_t sli2FwName[16];
1894 uint32_t rsvd2;
1895 uint32_t RandomData[7];
1896} READ_REV_VAR;
1897
1898/* Structure for MB Command READ_LINK_STAT (18) */
1899
1900typedef struct {
1901 uint32_t rsvd1;
1902 uint32_t linkFailureCnt;
1903 uint32_t lossSyncCnt;
1904
1905 uint32_t lossSignalCnt;
1906 uint32_t primSeqErrCnt;
1907 uint32_t invalidXmitWord;
1908 uint32_t crcCnt;
1909 uint32_t primSeqTimeout;
1910 uint32_t elasticOverrun;
1911 uint32_t arbTimeout;
1912} READ_LNK_VAR;
1913
1914/* Structure for MB Command REG_LOGIN (19) */
1915/* Structure for MB Command REG_LOGIN64 (0x93) */
1916
1917typedef struct {
1918#ifdef __BIG_ENDIAN_BITFIELD
1919 uint16_t rsvd1;
1920 uint16_t rpi;
1921 uint32_t rsvd2:8;
1922 uint32_t did:24;
1923#else /* __LITTLE_ENDIAN_BITFIELD */
1924 uint16_t rpi;
1925 uint16_t rsvd1;
1926 uint32_t did:24;
1927 uint32_t rsvd2:8;
1928#endif
1929
1930 union {
1931 struct ulp_bde sp;
1932 struct ulp_bde64 sp64;
1933 } un;
1934
1935} REG_LOGIN_VAR;
1936
1937/* Word 30 contents for REG_LOGIN */
1938typedef union {
1939 struct {
1940#ifdef __BIG_ENDIAN_BITFIELD
1941 uint16_t rsvd1:12;
1942 uint16_t wd30_class:4;
1943 uint16_t xri;
1944#else /* __LITTLE_ENDIAN_BITFIELD */
1945 uint16_t xri;
1946 uint16_t wd30_class:4;
1947 uint16_t rsvd1:12;
1948#endif
1949 } f;
1950 uint32_t word;
1951} REG_WD30;
1952
1953/* Structure for MB Command UNREG_LOGIN (20) */
1954
1955typedef struct {
1956#ifdef __BIG_ENDIAN_BITFIELD
1957 uint16_t rsvd1;
1958 uint16_t rpi;
1959#else /* __LITTLE_ENDIAN_BITFIELD */
1960 uint16_t rpi;
1961 uint16_t rsvd1;
1962#endif
1963} UNREG_LOGIN_VAR;
1964
1965/* Structure for MB Command UNREG_D_ID (0x23) */
1966
1967typedef struct {
1968 uint32_t did;
1969} UNREG_D_ID_VAR;
1970
1971/* Structure for MB Command READ_LA (21) */
1972/* Structure for MB Command READ_LA64 (0x95) */
1973
1974typedef struct {
1975 uint32_t eventTag; /* Event tag */
1976#ifdef __BIG_ENDIAN_BITFIELD
1977 uint32_t rsvd1:22;
1978 uint32_t pb:1;
1979 uint32_t il:1;
1980 uint32_t attType:8;
1981#else /* __LITTLE_ENDIAN_BITFIELD */
1982 uint32_t attType:8;
1983 uint32_t il:1;
1984 uint32_t pb:1;
1985 uint32_t rsvd1:22;
1986#endif
1987
1988#define AT_RESERVED 0x00 /* Reserved - attType */
1989#define AT_LINK_UP 0x01 /* Link is up */
1990#define AT_LINK_DOWN 0x02 /* Link is down */
1991
1992#ifdef __BIG_ENDIAN_BITFIELD
1993 uint8_t granted_AL_PA;
1994 uint8_t lipAlPs;
1995 uint8_t lipType;
1996 uint8_t topology;
1997#else /* __LITTLE_ENDIAN_BITFIELD */
1998 uint8_t topology;
1999 uint8_t lipType;
2000 uint8_t lipAlPs;
2001 uint8_t granted_AL_PA;
2002#endif
2003
2004#define TOPOLOGY_PT_PT 0x01 /* Topology is pt-pt / pt-fabric */
2005#define TOPOLOGY_LOOP 0x02 /* Topology is FC-AL */
2006
2007 union {
2008 struct ulp_bde lilpBde; /* This BDE points to a 128 byte buffer
2009 to */
2010 /* store the LILP AL_PA position map into */
2011 struct ulp_bde64 lilpBde64;
2012 } un;
2013
2014#ifdef __BIG_ENDIAN_BITFIELD
2015 uint32_t Dlu:1;
2016 uint32_t Dtf:1;
2017 uint32_t Drsvd2:14;
2018 uint32_t DlnkSpeed:8;
2019 uint32_t DnlPort:4;
2020 uint32_t Dtx:2;
2021 uint32_t Drx:2;
2022#else /* __LITTLE_ENDIAN_BITFIELD */
2023 uint32_t Drx:2;
2024 uint32_t Dtx:2;
2025 uint32_t DnlPort:4;
2026 uint32_t DlnkSpeed:8;
2027 uint32_t Drsvd2:14;
2028 uint32_t Dtf:1;
2029 uint32_t Dlu:1;
2030#endif
2031
2032#ifdef __BIG_ENDIAN_BITFIELD
2033 uint32_t Ulu:1;
2034 uint32_t Utf:1;
2035 uint32_t Ursvd2:14;
2036 uint32_t UlnkSpeed:8;
2037 uint32_t UnlPort:4;
2038 uint32_t Utx:2;
2039 uint32_t Urx:2;
2040#else /* __LITTLE_ENDIAN_BITFIELD */
2041 uint32_t Urx:2;
2042 uint32_t Utx:2;
2043 uint32_t UnlPort:4;
2044 uint32_t UlnkSpeed:8;
2045 uint32_t Ursvd2:14;
2046 uint32_t Utf:1;
2047 uint32_t Ulu:1;
2048#endif
2049
2050#define LA_UNKNW_LINK 0x0 /* lnkSpeed */
2051#define LA_1GHZ_LINK 0x04 /* lnkSpeed */
2052#define LA_2GHZ_LINK 0x08 /* lnkSpeed */
2053#define LA_4GHZ_LINK 0x10 /* lnkSpeed */
2054#define LA_8GHZ_LINK 0x20 /* lnkSpeed */
2055#define LA_10GHZ_LINK 0x40 /* lnkSpeed */
2056
2057} READ_LA_VAR;
2058
2059/* Structure for MB Command CLEAR_LA (22) */
2060
2061typedef struct {
2062 uint32_t eventTag; /* Event tag */
2063 uint32_t rsvd1;
2064} CLEAR_LA_VAR;
2065
2066/* Structure for MB Command DUMP */
2067
2068typedef struct {
2069#ifdef __BIG_ENDIAN_BITFIELD
2070 uint32_t rsvd:25;
2071 uint32_t ra:1;
2072 uint32_t co:1;
2073 uint32_t cv:1;
2074 uint32_t type:4;
2075 uint32_t entry_index:16;
2076 uint32_t region_id:16;
2077#else /* __LITTLE_ENDIAN_BITFIELD */
2078 uint32_t type:4;
2079 uint32_t cv:1;
2080 uint32_t co:1;
2081 uint32_t ra:1;
2082 uint32_t rsvd:25;
2083 uint32_t region_id:16;
2084 uint32_t entry_index:16;
2085#endif
2086
2087 uint32_t rsvd1;
2088 uint32_t word_cnt;
2089 uint32_t resp_offset;
2090} DUMP_VAR;
2091
2092#define DMP_MEM_REG 0x1
2093#define DMP_NV_PARAMS 0x2
2094
2095#define DMP_REGION_VPD 0xe
2096#define DMP_VPD_SIZE 0x400 /* maximum amount of VPD */
2097#define DMP_RSP_OFFSET 0x14 /* word 5 contains first word of rsp */
2098#define DMP_RSP_SIZE 0x6C /* maximum of 27 words of rsp data */
2099
2100/* Structure for MB Command CONFIG_PORT (0x88) */
2101
2102typedef struct {
2103 uint32_t pcbLen;
2104 uint32_t pcbLow; /* bit 31:0 of memory based port config block */
2105 uint32_t pcbHigh; /* bit 63:32 of memory based port config block */
2106 uint32_t hbainit[5];
2107} CONFIG_PORT_VAR;
2108
2109/* SLI-2 Port Control Block */
2110
2111/* SLIM POINTER */
2112#define SLIMOFF 0x30 /* WORD */
2113
2114typedef struct _SLI2_RDSC {
2115 uint32_t cmdEntries;
2116 uint32_t cmdAddrLow;
2117 uint32_t cmdAddrHigh;
2118
2119 uint32_t rspEntries;
2120 uint32_t rspAddrLow;
2121 uint32_t rspAddrHigh;
2122} SLI2_RDSC;
2123
2124typedef struct _PCB {
2125#ifdef __BIG_ENDIAN_BITFIELD
2126 uint32_t type:8;
2127#define TYPE_NATIVE_SLI2 0x01;
2128 uint32_t feature:8;
2129#define FEATURE_INITIAL_SLI2 0x01;
2130 uint32_t rsvd:12;
2131 uint32_t maxRing:4;
2132#else /* __LITTLE_ENDIAN_BITFIELD */
2133 uint32_t maxRing:4;
2134 uint32_t rsvd:12;
2135 uint32_t feature:8;
2136#define FEATURE_INITIAL_SLI2 0x01;
2137 uint32_t type:8;
2138#define TYPE_NATIVE_SLI2 0x01;
2139#endif
2140
2141 uint32_t mailBoxSize;
2142 uint32_t mbAddrLow;
2143 uint32_t mbAddrHigh;
2144
2145 uint32_t hgpAddrLow;
2146 uint32_t hgpAddrHigh;
2147
2148 uint32_t pgpAddrLow;
2149 uint32_t pgpAddrHigh;
2150 SLI2_RDSC rdsc[MAX_RINGS];
2151} PCB_t;
2152
2153/* NEW_FEATURE */
2154typedef struct {
2155#ifdef __BIG_ENDIAN_BITFIELD
2156 uint32_t rsvd0:27;
2157 uint32_t discardFarp:1;
2158 uint32_t IPEnable:1;
2159 uint32_t nodeName:1;
2160 uint32_t portName:1;
2161 uint32_t filterEnable:1;
2162#else /* __LITTLE_ENDIAN_BITFIELD */
2163 uint32_t filterEnable:1;
2164 uint32_t portName:1;
2165 uint32_t nodeName:1;
2166 uint32_t IPEnable:1;
2167 uint32_t discardFarp:1;
2168 uint32_t rsvd:27;
2169#endif
2170
2171 uint8_t portname[8]; /* Used to be struct lpfc_name */
2172 uint8_t nodename[8];
2173 uint32_t rsvd1;
2174 uint32_t rsvd2;
2175 uint32_t rsvd3;
2176 uint32_t IPAddress;
2177} CONFIG_FARP_VAR;
2178
2179/* Union of all Mailbox Command types */
2180#define MAILBOX_CMD_WSIZE 32
2181#define MAILBOX_CMD_SIZE (MAILBOX_CMD_WSIZE * sizeof(uint32_t))
2182
2183typedef union {
2184 uint32_t varWords[MAILBOX_CMD_WSIZE - 1];
2185 LOAD_SM_VAR varLdSM; /* cmd = 1 (LOAD_SM) */
2186 READ_NV_VAR varRDnvp; /* cmd = 2 (READ_NVPARMS) */
2187 WRITE_NV_VAR varWTnvp; /* cmd = 3 (WRITE_NVPARMS) */
2188 BIU_DIAG_VAR varBIUdiag; /* cmd = 4 (RUN_BIU_DIAG) */
2189 INIT_LINK_VAR varInitLnk; /* cmd = 5 (INIT_LINK) */
2190 DOWN_LINK_VAR varDwnLnk; /* cmd = 6 (DOWN_LINK) */
2191 CONFIG_LINK varCfgLnk; /* cmd = 7 (CONFIG_LINK) */
2192 PART_SLIM_VAR varSlim; /* cmd = 8 (PART_SLIM) */
2193 CONFIG_RING_VAR varCfgRing; /* cmd = 9 (CONFIG_RING) */
2194 RESET_RING_VAR varRstRing; /* cmd = 10 (RESET_RING) */
2195 READ_CONFIG_VAR varRdConfig; /* cmd = 11 (READ_CONFIG) */
2196 READ_RCONF_VAR varRdRConfig; /* cmd = 12 (READ_RCONFIG) */
2197 READ_SPARM_VAR varRdSparm; /* cmd = 13 (READ_SPARM(64)) */
2198 READ_STATUS_VAR varRdStatus; /* cmd = 14 (READ_STATUS) */
2199 READ_RPI_VAR varRdRPI; /* cmd = 15 (READ_RPI(64)) */
2200 READ_XRI_VAR varRdXRI; /* cmd = 16 (READ_XRI) */
2201 READ_REV_VAR varRdRev; /* cmd = 17 (READ_REV) */
2202 READ_LNK_VAR varRdLnk; /* cmd = 18 (READ_LNK_STAT) */
2203 REG_LOGIN_VAR varRegLogin; /* cmd = 19 (REG_LOGIN(64)) */
2204 UNREG_LOGIN_VAR varUnregLogin; /* cmd = 20 (UNREG_LOGIN) */
2205 READ_LA_VAR varReadLA; /* cmd = 21 (READ_LA(64)) */
2206 CLEAR_LA_VAR varClearLA; /* cmd = 22 (CLEAR_LA) */
2207 DUMP_VAR varDmp; /* Warm Start DUMP mbx cmd */
2208 UNREG_D_ID_VAR varUnregDID; /* cmd = 0x23 (UNREG_D_ID) */
2209 CONFIG_FARP_VAR varCfgFarp; /* cmd = 0x25 (CONFIG_FARP) NEW_FEATURE */
2210 CONFIG_PORT_VAR varCfgPort; /* cmd = 0x88 (CONFIG_PORT) */
2211} MAILVARIANTS;
2212
2213/*
2214 * SLI-2 specific structures
2215 */
2216
2217typedef struct {
2218 uint32_t cmdPutInx;
2219 uint32_t rspGetInx;
2220} HGP;
2221
2222typedef struct {
2223 uint32_t cmdGetInx;
2224 uint32_t rspPutInx;
2225} PGP;
2226
2227typedef struct _SLI2_DESC {
2228 HGP host[MAX_RINGS];
2229 uint32_t unused1[16];
2230 PGP port[MAX_RINGS];
2231} SLI2_DESC;
2232
2233typedef union {
2234 SLI2_DESC s2;
2235} SLI_VAR;
2236
2237typedef struct {
2238#ifdef __BIG_ENDIAN_BITFIELD
2239 uint16_t mbxStatus;
2240 uint8_t mbxCommand;
2241 uint8_t mbxReserved:6;
2242 uint8_t mbxHc:1;
2243 uint8_t mbxOwner:1; /* Low order bit first word */
2244#else /* __LITTLE_ENDIAN_BITFIELD */
2245 uint8_t mbxOwner:1; /* Low order bit first word */
2246 uint8_t mbxHc:1;
2247 uint8_t mbxReserved:6;
2248 uint8_t mbxCommand;
2249 uint16_t mbxStatus;
2250#endif
2251
2252 MAILVARIANTS un;
2253 SLI_VAR us;
2254} MAILBOX_t;
2255
2256/*
2257 * Begin Structure Definitions for IOCB Commands
2258 */
2259
2260typedef struct {
2261#ifdef __BIG_ENDIAN_BITFIELD
2262 uint8_t statAction;
2263 uint8_t statRsn;
2264 uint8_t statBaExp;
2265 uint8_t statLocalError;
2266#else /* __LITTLE_ENDIAN_BITFIELD */
2267 uint8_t statLocalError;
2268 uint8_t statBaExp;
2269 uint8_t statRsn;
2270 uint8_t statAction;
2271#endif
2272 /* statRsn P/F_RJT reason codes */
2273#define RJT_BAD_D_ID 0x01 /* Invalid D_ID field */
2274#define RJT_BAD_S_ID 0x02 /* Invalid S_ID field */
2275#define RJT_UNAVAIL_TEMP 0x03 /* N_Port unavailable temp. */
2276#define RJT_UNAVAIL_PERM 0x04 /* N_Port unavailable perm. */
2277#define RJT_UNSUP_CLASS 0x05 /* Class not supported */
2278#define RJT_DELIM_ERR 0x06 /* Delimiter usage error */
2279#define RJT_UNSUP_TYPE 0x07 /* Type not supported */
2280#define RJT_BAD_CONTROL 0x08 /* Invalid link conrtol */
2281#define RJT_BAD_RCTL 0x09 /* R_CTL invalid */
2282#define RJT_BAD_FCTL 0x0A /* F_CTL invalid */
2283#define RJT_BAD_OXID 0x0B /* OX_ID invalid */
2284#define RJT_BAD_RXID 0x0C /* RX_ID invalid */
2285#define RJT_BAD_SEQID 0x0D /* SEQ_ID invalid */
2286#define RJT_BAD_DFCTL 0x0E /* DF_CTL invalid */
2287#define RJT_BAD_SEQCNT 0x0F /* SEQ_CNT invalid */
2288#define RJT_BAD_PARM 0x10 /* Param. field invalid */
2289#define RJT_XCHG_ERR 0x11 /* Exchange error */
2290#define RJT_PROT_ERR 0x12 /* Protocol error */
2291#define RJT_BAD_LENGTH 0x13 /* Invalid Length */
2292#define RJT_UNEXPECTED_ACK 0x14 /* Unexpected ACK */
2293#define RJT_LOGIN_REQUIRED 0x16 /* Login required */
2294#define RJT_TOO_MANY_SEQ 0x17 /* Excessive sequences */
2295#define RJT_XCHG_NOT_STRT 0x18 /* Exchange not started */
2296#define RJT_UNSUP_SEC_HDR 0x19 /* Security hdr not supported */
2297#define RJT_UNAVAIL_PATH 0x1A /* Fabric Path not available */
2298#define RJT_VENDOR_UNIQUE 0xFF /* Vendor unique error */
2299
2300#define IOERR_SUCCESS 0x00 /* statLocalError */
2301#define IOERR_MISSING_CONTINUE 0x01
2302#define IOERR_SEQUENCE_TIMEOUT 0x02
2303#define IOERR_INTERNAL_ERROR 0x03
2304#define IOERR_INVALID_RPI 0x04
2305#define IOERR_NO_XRI 0x05
2306#define IOERR_ILLEGAL_COMMAND 0x06
2307#define IOERR_XCHG_DROPPED 0x07
2308#define IOERR_ILLEGAL_FIELD 0x08
2309#define IOERR_BAD_CONTINUE 0x09
2310#define IOERR_TOO_MANY_BUFFERS 0x0A
2311#define IOERR_RCV_BUFFER_WAITING 0x0B
2312#define IOERR_NO_CONNECTION 0x0C
2313#define IOERR_TX_DMA_FAILED 0x0D
2314#define IOERR_RX_DMA_FAILED 0x0E
2315#define IOERR_ILLEGAL_FRAME 0x0F
2316#define IOERR_EXTRA_DATA 0x10
2317#define IOERR_NO_RESOURCES 0x11
2318#define IOERR_RESERVED 0x12
2319#define IOERR_ILLEGAL_LENGTH 0x13
2320#define IOERR_UNSUPPORTED_FEATURE 0x14
2321#define IOERR_ABORT_IN_PROGRESS 0x15
2322#define IOERR_ABORT_REQUESTED 0x16
2323#define IOERR_RECEIVE_BUFFER_TIMEOUT 0x17
2324#define IOERR_LOOP_OPEN_FAILURE 0x18
2325#define IOERR_RING_RESET 0x19
2326#define IOERR_LINK_DOWN 0x1A
2327#define IOERR_CORRUPTED_DATA 0x1B
2328#define IOERR_CORRUPTED_RPI 0x1C
2329#define IOERR_OUT_OF_ORDER_DATA 0x1D
2330#define IOERR_OUT_OF_ORDER_ACK 0x1E
2331#define IOERR_DUP_FRAME 0x1F
2332#define IOERR_LINK_CONTROL_FRAME 0x20 /* ACK_N received */
2333#define IOERR_BAD_HOST_ADDRESS 0x21
2334#define IOERR_RCV_HDRBUF_WAITING 0x22
2335#define IOERR_MISSING_HDR_BUFFER 0x23
2336#define IOERR_MSEQ_CHAIN_CORRUPTED 0x24
2337#define IOERR_ABORTMULT_REQUESTED 0x25
2338#define IOERR_BUFFER_SHORTAGE 0x28
2339#define IOERR_DEFAULT 0x29
2340#define IOERR_CNT 0x2A
2341
2342#define IOERR_DRVR_MASK 0x100
2343#define IOERR_SLI_DOWN 0x101 /* ulpStatus - Driver defined */
2344#define IOERR_SLI_BRESET 0x102
2345#define IOERR_SLI_ABORTED 0x103
2346} PARM_ERR;
2347
2348typedef union {
2349 struct {
2350#ifdef __BIG_ENDIAN_BITFIELD
2351 uint8_t Rctl; /* R_CTL field */
2352 uint8_t Type; /* TYPE field */
2353 uint8_t Dfctl; /* DF_CTL field */
2354 uint8_t Fctl; /* Bits 0-7 of IOCB word 5 */
2355#else /* __LITTLE_ENDIAN_BITFIELD */
2356 uint8_t Fctl; /* Bits 0-7 of IOCB word 5 */
2357 uint8_t Dfctl; /* DF_CTL field */
2358 uint8_t Type; /* TYPE field */
2359 uint8_t Rctl; /* R_CTL field */
2360#endif
2361
2362#define BC 0x02 /* Broadcast Received - Fctl */
2363#define SI 0x04 /* Sequence Initiative */
2364#define LA 0x08 /* Ignore Link Attention state */
2365#define LS 0x80 /* Last Sequence */
2366 } hcsw;
2367 uint32_t reserved;
2368} WORD5;
2369
2370/* IOCB Command template for a generic response */
2371typedef struct {
2372 uint32_t reserved[4];
2373 PARM_ERR perr;
2374} GENERIC_RSP;
2375
2376/* IOCB Command template for XMIT / XMIT_BCAST / RCV_SEQUENCE / XMIT_ELS */
2377typedef struct {
2378 struct ulp_bde xrsqbde[2];
2379 uint32_t xrsqRo; /* Starting Relative Offset */
2380 WORD5 w5; /* Header control/status word */
2381} XR_SEQ_FIELDS;
2382
2383/* IOCB Command template for ELS_REQUEST */
2384typedef struct {
2385 struct ulp_bde elsReq;
2386 struct ulp_bde elsRsp;
2387
2388#ifdef __BIG_ENDIAN_BITFIELD
2389 uint32_t word4Rsvd:7;
2390 uint32_t fl:1;
2391 uint32_t myID:24;
2392 uint32_t word5Rsvd:8;
2393 uint32_t remoteID:24;
2394#else /* __LITTLE_ENDIAN_BITFIELD */
2395 uint32_t myID:24;
2396 uint32_t fl:1;
2397 uint32_t word4Rsvd:7;
2398 uint32_t remoteID:24;
2399 uint32_t word5Rsvd:8;
2400#endif
2401} ELS_REQUEST;
2402
2403/* IOCB Command template for RCV_ELS_REQ */
2404typedef struct {
2405 struct ulp_bde elsReq[2];
2406 uint32_t parmRo;
2407
2408#ifdef __BIG_ENDIAN_BITFIELD
2409 uint32_t word5Rsvd:8;
2410 uint32_t remoteID:24;
2411#else /* __LITTLE_ENDIAN_BITFIELD */
2412 uint32_t remoteID:24;
2413 uint32_t word5Rsvd:8;
2414#endif
2415} RCV_ELS_REQ;
2416
2417/* IOCB Command template for ABORT / CLOSE_XRI */
2418typedef struct {
2419 uint32_t rsvd[3];
2420 uint32_t abortType;
2421#define ABORT_TYPE_ABTX 0x00000000
2422#define ABORT_TYPE_ABTS 0x00000001
2423 uint32_t parm;
2424#ifdef __BIG_ENDIAN_BITFIELD
2425 uint16_t abortContextTag; /* ulpContext from command to abort/close */
2426 uint16_t abortIoTag; /* ulpIoTag from command to abort/close */
2427#else /* __LITTLE_ENDIAN_BITFIELD */
2428 uint16_t abortIoTag; /* ulpIoTag from command to abort/close */
2429 uint16_t abortContextTag; /* ulpContext from command to abort/close */
2430#endif
2431} AC_XRI;
2432
2433/* IOCB Command template for ABORT_MXRI64 */
2434typedef struct {
2435 uint32_t rsvd[3];
2436 uint32_t abortType;
2437 uint32_t parm;
2438 uint32_t iotag32;
2439} A_MXRI64;
2440
2441/* IOCB Command template for GET_RPI */
2442typedef struct {
2443 uint32_t rsvd[4];
2444 uint32_t parmRo;
2445#ifdef __BIG_ENDIAN_BITFIELD
2446 uint32_t word5Rsvd:8;
2447 uint32_t remoteID:24;
2448#else /* __LITTLE_ENDIAN_BITFIELD */
2449 uint32_t remoteID:24;
2450 uint32_t word5Rsvd:8;
2451#endif
2452} GET_RPI;
2453
2454/* IOCB Command template for all FCP Initiator commands */
2455typedef struct {
2456 struct ulp_bde fcpi_cmnd; /* FCP_CMND payload descriptor */
2457 struct ulp_bde fcpi_rsp; /* Rcv buffer */
2458 uint32_t fcpi_parm;
2459 uint32_t fcpi_XRdy; /* transfer ready for IWRITE */
2460} FCPI_FIELDS;
2461
2462/* IOCB Command template for all FCP Target commands */
2463typedef struct {
2464 struct ulp_bde fcpt_Buffer[2]; /* FCP_CMND payload descriptor */
2465 uint32_t fcpt_Offset;
2466 uint32_t fcpt_Length; /* transfer ready for IWRITE */
2467} FCPT_FIELDS;
2468
2469/* SLI-2 IOCB structure definitions */
2470
2471/* IOCB Command template for 64 bit XMIT / XMIT_BCAST / XMIT_ELS */
2472typedef struct {
2473 ULP_BDL bdl;
2474 uint32_t xrsqRo; /* Starting Relative Offset */
2475 WORD5 w5; /* Header control/status word */
2476} XMT_SEQ_FIELDS64;
2477
2478/* IOCB Command template for 64 bit RCV_SEQUENCE64 */
2479typedef struct {
2480 struct ulp_bde64 rcvBde;
2481 uint32_t rsvd1;
2482 uint32_t xrsqRo; /* Starting Relative Offset */
2483 WORD5 w5; /* Header control/status word */
2484} RCV_SEQ_FIELDS64;
2485
2486/* IOCB Command template for ELS_REQUEST64 */
2487typedef struct {
2488 ULP_BDL bdl;
2489#ifdef __BIG_ENDIAN_BITFIELD
2490 uint32_t word4Rsvd:7;
2491 uint32_t fl:1;
2492 uint32_t myID:24;
2493 uint32_t word5Rsvd:8;
2494 uint32_t remoteID:24;
2495#else /* __LITTLE_ENDIAN_BITFIELD */
2496 uint32_t myID:24;
2497 uint32_t fl:1;
2498 uint32_t word4Rsvd:7;
2499 uint32_t remoteID:24;
2500 uint32_t word5Rsvd:8;
2501#endif
2502} ELS_REQUEST64;
2503
2504/* IOCB Command template for GEN_REQUEST64 */
2505typedef struct {
2506 ULP_BDL bdl;
2507 uint32_t xrsqRo; /* Starting Relative Offset */
2508 WORD5 w5; /* Header control/status word */
2509} GEN_REQUEST64;
2510
2511/* IOCB Command template for RCV_ELS_REQ64 */
2512typedef struct {
2513 struct ulp_bde64 elsReq;
2514 uint32_t rcvd1;
2515 uint32_t parmRo;
2516
2517#ifdef __BIG_ENDIAN_BITFIELD
2518 uint32_t word5Rsvd:8;
2519 uint32_t remoteID:24;
2520#else /* __LITTLE_ENDIAN_BITFIELD */
2521 uint32_t remoteID:24;
2522 uint32_t word5Rsvd:8;
2523#endif
2524} RCV_ELS_REQ64;
2525
2526/* IOCB Command template for all 64 bit FCP Initiator commands */
2527typedef struct {
2528 ULP_BDL bdl;
2529 uint32_t fcpi_parm;
2530 uint32_t fcpi_XRdy; /* transfer ready for IWRITE */
2531} FCPI_FIELDS64;
2532
2533/* IOCB Command template for all 64 bit FCP Target commands */
2534typedef struct {
2535 ULP_BDL bdl;
2536 uint32_t fcpt_Offset;
2537 uint32_t fcpt_Length; /* transfer ready for IWRITE */
2538} FCPT_FIELDS64;
2539
2540typedef struct _IOCB { /* IOCB structure */
2541 union {
2542 GENERIC_RSP grsp; /* Generic response */
2543 XR_SEQ_FIELDS xrseq; /* XMIT / BCAST / RCV_SEQUENCE cmd */
2544 struct ulp_bde cont[3]; /* up to 3 continuation bdes */
2545 RCV_ELS_REQ rcvels; /* RCV_ELS_REQ template */
2546 AC_XRI acxri; /* ABORT / CLOSE_XRI template */
2547 A_MXRI64 amxri; /* abort multiple xri command overlay */
2548 GET_RPI getrpi; /* GET_RPI template */
2549 FCPI_FIELDS fcpi; /* FCP Initiator template */
2550 FCPT_FIELDS fcpt; /* FCP target template */
2551
2552 /* SLI-2 structures */
2553
2554 struct ulp_bde64 cont64[2]; /* up to 2 64 bit continuation
2555 bde_64s */
2556 ELS_REQUEST64 elsreq64; /* ELS_REQUEST template */
2557 GEN_REQUEST64 genreq64; /* GEN_REQUEST template */
2558 RCV_ELS_REQ64 rcvels64; /* RCV_ELS_REQ template */
2559 XMT_SEQ_FIELDS64 xseq64; /* XMIT / BCAST cmd */
2560 FCPI_FIELDS64 fcpi64; /* FCP 64 bit Initiator template */
2561 FCPT_FIELDS64 fcpt64; /* FCP 64 bit target template */
2562
2563 uint32_t ulpWord[IOCB_WORD_SZ - 2]; /* generic 6 'words' */
2564 } un;
2565 union {
2566 struct {
2567#ifdef __BIG_ENDIAN_BITFIELD
2568 uint16_t ulpContext; /* High order bits word 6 */
2569 uint16_t ulpIoTag; /* Low order bits word 6 */
2570#else /* __LITTLE_ENDIAN_BITFIELD */
2571 uint16_t ulpIoTag; /* Low order bits word 6 */
2572 uint16_t ulpContext; /* High order bits word 6 */
2573#endif
2574 } t1;
2575 struct {
2576#ifdef __BIG_ENDIAN_BITFIELD
2577 uint16_t ulpContext; /* High order bits word 6 */
2578 uint16_t ulpIoTag1:2; /* Low order bits word 6 */
2579 uint16_t ulpIoTag0:14; /* Low order bits word 6 */
2580#else /* __LITTLE_ENDIAN_BITFIELD */
2581 uint16_t ulpIoTag0:14; /* Low order bits word 6 */
2582 uint16_t ulpIoTag1:2; /* Low order bits word 6 */
2583 uint16_t ulpContext; /* High order bits word 6 */
2584#endif
2585 } t2;
2586 } un1;
2587#define ulpContext un1.t1.ulpContext
2588#define ulpIoTag un1.t1.ulpIoTag
2589#define ulpIoTag0 un1.t2.ulpIoTag0
2590
2591#ifdef __BIG_ENDIAN_BITFIELD
2592 uint32_t ulpTimeout:8;
2593 uint32_t ulpXS:1;
2594 uint32_t ulpFCP2Rcvy:1;
2595 uint32_t ulpPU:2;
2596 uint32_t ulpIr:1;
2597 uint32_t ulpClass:3;
2598 uint32_t ulpCommand:8;
2599 uint32_t ulpStatus:4;
2600 uint32_t ulpBdeCount:2;
2601 uint32_t ulpLe:1;
2602 uint32_t ulpOwner:1; /* Low order bit word 7 */
2603#else /* __LITTLE_ENDIAN_BITFIELD */
2604 uint32_t ulpOwner:1; /* Low order bit word 7 */
2605 uint32_t ulpLe:1;
2606 uint32_t ulpBdeCount:2;
2607 uint32_t ulpStatus:4;
2608 uint32_t ulpCommand:8;
2609 uint32_t ulpClass:3;
2610 uint32_t ulpIr:1;
2611 uint32_t ulpPU:2;
2612 uint32_t ulpFCP2Rcvy:1;
2613 uint32_t ulpXS:1;
2614 uint32_t ulpTimeout:8;
2615#endif
2616
2617#define PARM_UNUSED 0 /* PU field (Word 4) not used */
2618#define PARM_REL_OFF 1 /* PU field (Word 4) = R. O. */
2619#define PARM_READ_CHECK 2 /* PU field (Word 4) = Data Transfer Length */
2620#define CLASS1 0 /* Class 1 */
2621#define CLASS2 1 /* Class 2 */
2622#define CLASS3 2 /* Class 3 */
2623#define CLASS_FCP_INTERMIX 7 /* FCP Data->Cls 1, all else->Cls 2 */
2624
2625#define IOSTAT_SUCCESS 0x0 /* ulpStatus - HBA defined */
2626#define IOSTAT_FCP_RSP_ERROR 0x1
2627#define IOSTAT_REMOTE_STOP 0x2
2628#define IOSTAT_LOCAL_REJECT 0x3
2629#define IOSTAT_NPORT_RJT 0x4
2630#define IOSTAT_FABRIC_RJT 0x5
2631#define IOSTAT_NPORT_BSY 0x6
2632#define IOSTAT_FABRIC_BSY 0x7
2633#define IOSTAT_INTERMED_RSP 0x8
2634#define IOSTAT_LS_RJT 0x9
2635#define IOSTAT_BA_RJT 0xA
2636#define IOSTAT_RSVD1 0xB
2637#define IOSTAT_RSVD2 0xC
2638#define IOSTAT_RSVD3 0xD
2639#define IOSTAT_RSVD4 0xE
2640#define IOSTAT_RSVD5 0xF
2641#define IOSTAT_DRIVER_REJECT 0x10 /* ulpStatus - Driver defined */
2642#define IOSTAT_DEFAULT 0xF /* Same as rsvd5 for now */
2643#define IOSTAT_CNT 0x11
2644
2645} IOCB_t;
2646
2647
2648#define SLI1_SLIM_SIZE (4 * 1024)
2649
2650/* Up to 498 IOCBs will fit into 16k
2651 * 256 (MAILBOX_t) + 140 (PCB_t) + ( 32 (IOCB_t) * 498 ) = < 16384
2652 */
2653#define SLI2_SLIM_SIZE (16 * 1024)
2654
2655/* Maximum IOCBs that will fit in SLI2 slim */
2656#define MAX_SLI2_IOCB 498
2657
2658struct lpfc_sli2_slim {
2659 MAILBOX_t mbx;
2660 PCB_t pcb;
2661 IOCB_t IOCBs[MAX_SLI2_IOCB];
2662};
2663
2664/*******************************************************************
2665This macro check PCI device to allow special handling for LC HBAs.
2666
2667Parameters:
2668device : struct pci_dev 's device field
2669
2670return 1 => TRUE
2671 0 => FALSE
2672 *******************************************************************/
2673static inline int
2674lpfc_is_LC_HBA(unsigned short device)
2675{
2676 if ((device == PCI_DEVICE_ID_TFLY) ||
2677 (device == PCI_DEVICE_ID_PFLY) ||
2678 (device == PCI_DEVICE_ID_LP101) ||
2679 (device == PCI_DEVICE_ID_BMID) ||
2680 (device == PCI_DEVICE_ID_BSMB) ||
2681 (device == PCI_DEVICE_ID_ZMID) ||
2682 (device == PCI_DEVICE_ID_ZSMB) ||
2683 (device == PCI_DEVICE_ID_RFLY))
2684 return 1;
2685 else
2686 return 0;
2687}
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
new file mode 100644
index 000000000000..233c912b63ce
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -0,0 +1,1739 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_init.c 1.233 2005/04/13 11:59:09EDT sf_support Exp $
23 */
24
25#include <linux/blkdev.h>
26#include <linux/delay.h>
27#include <linux/dma-mapping.h>
28#include <linux/idr.h>
29#include <linux/interrupt.h>
30#include <linux/kthread.h>
31#include <linux/pci.h>
32#include <linux/spinlock.h>
33
34#include <scsi/scsi_device.h>
35#include <scsi/scsi_host.h>
36#include <scsi/scsi_transport_fc.h>
37
38#include "lpfc_hw.h"
39#include "lpfc_sli.h"
40#include "lpfc_disc.h"
41#include "lpfc_scsi.h"
42#include "lpfc.h"
43#include "lpfc_logmsg.h"
44#include "lpfc_crtn.h"
45#include "lpfc_version.h"
46
47static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *);
48static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
49static int lpfc_post_rcv_buf(struct lpfc_hba *);
50
51static struct scsi_transport_template *lpfc_transport_template = NULL;
52static DEFINE_IDR(lpfc_hba_index);
53
54/************************************************************************/
55/* */
56/* lpfc_config_port_prep */
57/* This routine will do LPFC initialization prior to the */
58/* CONFIG_PORT mailbox command. This will be initialized */
59/* as a SLI layer callback routine. */
60/* This routine returns 0 on success or -ERESTART if it wants */
61/* the SLI layer to reset the HBA and try again. Any */
62/* other return value indicates an error. */
63/* */
64/************************************************************************/
65int
66lpfc_config_port_prep(struct lpfc_hba * phba)
67{
68 lpfc_vpd_t *vp = &phba->vpd;
69 int i = 0, rc;
70 LPFC_MBOXQ_t *pmb;
71 MAILBOX_t *mb;
72 char *lpfc_vpd_data = NULL;
73 uint16_t offset = 0;
74 static char licensed[56] =
75 "key unlock for use with gnu public licensed code only\0";
76
77 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
78 if (!pmb) {
79 phba->hba_state = LPFC_HBA_ERROR;
80 return -ENOMEM;
81 }
82
83 mb = &pmb->mb;
84 phba->hba_state = LPFC_INIT_MBX_CMDS;
85
86 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
87 uint32_t *ptext = (uint32_t *) licensed;
88
89 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
90 *ptext = cpu_to_be32(*ptext);
91
92 lpfc_read_nv(phba, pmb);
93 memset((char*)mb->un.varRDnvp.rsvd3, 0,
94 sizeof (mb->un.varRDnvp.rsvd3));
95 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
96 sizeof (licensed));
97
98 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
99
100 if (rc != MBX_SUCCESS) {
101 lpfc_printf_log(phba,
102 KERN_ERR,
103 LOG_MBOX,
104 "%d:0324 Config Port initialization "
105 "error, mbxCmd x%x READ_NVPARM, "
106 "mbxStatus x%x\n",
107 phba->brd_no,
108 mb->mbxCommand, mb->mbxStatus);
109 mempool_free(pmb, phba->mbox_mem_pool);
110 return -ERESTART;
111 }
112 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
113 sizeof (mb->un.varRDnvp.nodename));
114 }
115
116 /* Setup and issue mailbox READ REV command */
117 lpfc_read_rev(phba, pmb);
118 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
119 if (rc != MBX_SUCCESS) {
120 lpfc_printf_log(phba,
121 KERN_ERR,
122 LOG_INIT,
123 "%d:0439 Adapter failed to init, mbxCmd x%x "
124 "READ_REV, mbxStatus x%x\n",
125 phba->brd_no,
126 mb->mbxCommand, mb->mbxStatus);
127 mempool_free( pmb, phba->mbox_mem_pool);
128 return -ERESTART;
129 }
130
131 /* The HBA's current state is provided by the ProgType and rr fields.
132 * Read and check the value of these fields before continuing to config
133 * this port.
134 */
135 if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
136 /* Old firmware */
137 vp->rev.rBit = 0;
138 lpfc_printf_log(phba,
139 KERN_ERR,
140 LOG_INIT,
141 "%d:0440 Adapter failed to init, mbxCmd x%x "
142 "READ_REV detected outdated firmware"
143 "Data: x%x\n",
144 phba->brd_no,
145 mb->mbxCommand, 0);
146 mempool_free(pmb, phba->mbox_mem_pool);
147 return -ERESTART;
148 } else {
149 vp->rev.rBit = 1;
150 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
151 memcpy(vp->rev.sli1FwName,
152 (char*)mb->un.varRdRev.sli1FwName, 16);
153 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
154 memcpy(vp->rev.sli2FwName,
155 (char *)mb->un.varRdRev.sli2FwName, 16);
156 }
157
158 /* Save information as VPD data */
159 vp->rev.biuRev = mb->un.varRdRev.biuRev;
160 vp->rev.smRev = mb->un.varRdRev.smRev;
161 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
162 vp->rev.endecRev = mb->un.varRdRev.endecRev;
163 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
164 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
165 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
166 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
167 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
168 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
169
170 if (lpfc_is_LC_HBA(phba->pcidev->device))
171 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
172 sizeof (phba->RandomData));
173
174 /* Get the default values for Model Name and Description */
175 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
176
177 /* Get adapter VPD information */
178 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
179 if (!pmb->context2)
180 goto out_free_mbox;
181 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
182 if (!lpfc_vpd_data)
183 goto out_free_context2;
184
185 do {
186 lpfc_dump_mem(phba, pmb, offset);
187 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
188
189 if (rc != MBX_SUCCESS) {
190 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
191 "%d:0441 VPD not present on adapter, "
192 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
193 phba->brd_no,
194 mb->mbxCommand, mb->mbxStatus);
195 kfree(lpfc_vpd_data);
196 lpfc_vpd_data = NULL;
197 break;
198 }
199
200 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
201 mb->un.varDmp.word_cnt);
202 offset += mb->un.varDmp.word_cnt;
203 } while (mb->un.varDmp.word_cnt);
204 lpfc_parse_vpd(phba, lpfc_vpd_data);
205
206 kfree(lpfc_vpd_data);
207out_free_context2:
208 kfree(pmb->context2);
209out_free_mbox:
210 mempool_free(pmb, phba->mbox_mem_pool);
211 return 0;
212}
213
214/************************************************************************/
215/* */
216/* lpfc_config_port_post */
217/* This routine will do LPFC initialization after the */
218/* CONFIG_PORT mailbox command. This will be initialized */
219/* as a SLI layer callback routine. */
220/* This routine returns 0 on success. Any other return value */
221/* indicates an error. */
222/* */
223/************************************************************************/
224int
225lpfc_config_port_post(struct lpfc_hba * phba)
226{
227 LPFC_MBOXQ_t *pmb;
228 MAILBOX_t *mb;
229 struct lpfc_dmabuf *mp;
230 struct lpfc_sli *psli = &phba->sli;
231 uint32_t status, timeout;
232 int i, j, rc;
233
234 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
235 if (!pmb) {
236 phba->hba_state = LPFC_HBA_ERROR;
237 return -ENOMEM;
238 }
239 mb = &pmb->mb;
240
241 lpfc_config_link(phba, pmb);
242 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
243 if (rc != MBX_SUCCESS) {
244 lpfc_printf_log(phba,
245 KERN_ERR,
246 LOG_INIT,
247 "%d:0447 Adapter failed init, mbxCmd x%x "
248 "CONFIG_LINK mbxStatus x%x\n",
249 phba->brd_no,
250 mb->mbxCommand, mb->mbxStatus);
251 phba->hba_state = LPFC_HBA_ERROR;
252 mempool_free( pmb, phba->mbox_mem_pool);
253 return -EIO;
254 }
255
256 /* Get login parameters for NID. */
257 lpfc_read_sparam(phba, pmb);
258 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
259 lpfc_printf_log(phba,
260 KERN_ERR,
261 LOG_INIT,
262 "%d:0448 Adapter failed init, mbxCmd x%x "
263 "READ_SPARM mbxStatus x%x\n",
264 phba->brd_no,
265 mb->mbxCommand, mb->mbxStatus);
266 phba->hba_state = LPFC_HBA_ERROR;
267 mp = (struct lpfc_dmabuf *) pmb->context1;
268 mempool_free( pmb, phba->mbox_mem_pool);
269 lpfc_mbuf_free(phba, mp->virt, mp->phys);
270 kfree(mp);
271 return -EIO;
272 }
273
274 mp = (struct lpfc_dmabuf *) pmb->context1;
275
276 memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
277 lpfc_mbuf_free(phba, mp->virt, mp->phys);
278 kfree(mp);
279 pmb->context1 = NULL;
280
281 memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
282 sizeof (struct lpfc_name));
283 memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
284 sizeof (struct lpfc_name));
285 /* If no serial number in VPD data, use low 6 bytes of WWNN */
286 /* This should be consolidated into parse_vpd ? - mr */
287 if (phba->SerialNumber[0] == 0) {
288 uint8_t *outptr;
289
290 outptr = (uint8_t *) & phba->fc_nodename.IEEE[0];
291 for (i = 0; i < 12; i++) {
292 status = *outptr++;
293 j = ((status & 0xf0) >> 4);
294 if (j <= 9)
295 phba->SerialNumber[i] =
296 (char)((uint8_t) 0x30 + (uint8_t) j);
297 else
298 phba->SerialNumber[i] =
299 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
300 i++;
301 j = (status & 0xf);
302 if (j <= 9)
303 phba->SerialNumber[i] =
304 (char)((uint8_t) 0x30 + (uint8_t) j);
305 else
306 phba->SerialNumber[i] =
307 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
308 }
309 }
310
311 /* This should turn on DELAYED ABTS for ELS timeouts */
312 lpfc_set_slim(phba, pmb, 0x052198, 0x1);
313 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
314 phba->hba_state = LPFC_HBA_ERROR;
315 mempool_free( pmb, phba->mbox_mem_pool);
316 return -EIO;
317 }
318
319
320 lpfc_read_config(phba, pmb);
321 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
322 lpfc_printf_log(phba,
323 KERN_ERR,
324 LOG_INIT,
325 "%d:0453 Adapter failed to init, mbxCmd x%x "
326 "READ_CONFIG, mbxStatus x%x\n",
327 phba->brd_no,
328 mb->mbxCommand, mb->mbxStatus);
329 phba->hba_state = LPFC_HBA_ERROR;
330 mempool_free( pmb, phba->mbox_mem_pool);
331 return -EIO;
332 }
333
334 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
335 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
336 phba->cfg_hba_queue_depth =
337 mb->un.varRdConfig.max_xri + 1;
338
339 phba->lmt = mb->un.varRdConfig.lmt;
340 /* HBA is not 4GB capable, or HBA is not 2GB capable,
341 don't let link speed ask for it */
342 if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
343 (phba->cfg_link_speed > LINK_SPEED_2G)) ||
344 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
345 (phba->cfg_link_speed > LINK_SPEED_1G))) {
346 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
347 lpfc_printf_log(phba,
348 KERN_WARNING,
349 LOG_LINK_EVENT,
350 "%d:1302 Invalid speed for this board: "
351 "Reset link speed to auto: x%x\n",
352 phba->brd_no,
353 phba->cfg_link_speed);
354 phba->cfg_link_speed = LINK_SPEED_AUTO;
355 }
356
357 phba->hba_state = LPFC_LINK_DOWN;
358
359 /* Only process IOCBs on ring 0 till hba_state is READY */
360 if (psli->ring[psli->ip_ring].cmdringaddr)
361 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
362 if (psli->ring[psli->fcp_ring].cmdringaddr)
363 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
364 if (psli->ring[psli->next_ring].cmdringaddr)
365 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
366
367 /* Post receive buffers for desired rings */
368 lpfc_post_rcv_buf(phba);
369
370 /* Enable appropriate host interrupts */
371 spin_lock_irq(phba->host->host_lock);
372 status = readl(phba->HCregaddr);
373 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
374 if (psli->num_rings > 0)
375 status |= HC_R0INT_ENA;
376 if (psli->num_rings > 1)
377 status |= HC_R1INT_ENA;
378 if (psli->num_rings > 2)
379 status |= HC_R2INT_ENA;
380 if (psli->num_rings > 3)
381 status |= HC_R3INT_ENA;
382
383 writel(status, phba->HCregaddr);
384 readl(phba->HCregaddr); /* flush */
385 spin_unlock_irq(phba->host->host_lock);
386
387 /*
388 * Setup the ring 0 (els) timeout handler
389 */
390 timeout = phba->fc_ratov << 1;
391 phba->els_tmofunc.expires = jiffies + HZ * timeout;
392 add_timer(&phba->els_tmofunc);
393
394 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
395 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
396 if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
397 lpfc_printf_log(phba,
398 KERN_ERR,
399 LOG_INIT,
400 "%d:0454 Adapter failed to init, mbxCmd x%x "
401 "INIT_LINK, mbxStatus x%x\n",
402 phba->brd_no,
403 mb->mbxCommand, mb->mbxStatus);
404
405 /* Clear all interrupt enable conditions */
406 writel(0, phba->HCregaddr);
407 readl(phba->HCregaddr); /* flush */
408 /* Clear all pending interrupts */
409 writel(0xffffffff, phba->HAregaddr);
410 readl(phba->HAregaddr); /* flush */
411
412 phba->hba_state = LPFC_HBA_ERROR;
413 mempool_free(pmb, phba->mbox_mem_pool);
414 return -EIO;
415 }
416 /* MBOX buffer will be freed in mbox compl */
417
418 i = 0;
419 while ((phba->hba_state != LPFC_HBA_READY) ||
420 (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
421 ((phba->fc_map_cnt == 0) && (i<2)) ||
422 (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
423 /* Check every second for 30 retries. */
424 i++;
425 if (i > 30) {
426 break;
427 }
428 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
429 /* The link is down. Set linkdown timeout */
430 break;
431 }
432
433 /* Delay for 1 second to give discovery time to complete. */
434 msleep(1000);
435
436 }
437
438 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
439 * any potential PRLIs to flush thru the SLI sub-system.
440 */
441 msleep(50);
442
443 return (0);
444}
445
446/************************************************************************/
447/* */
448/* lpfc_hba_down_prep */
449/* This routine will do LPFC uninitialization before the */
450/* HBA is reset when bringing down the SLI Layer. This will be */
451/* initialized as a SLI layer callback routine. */
452/* This routine returns 0 on success. Any other return value */
453/* indicates an error. */
454/* */
455/************************************************************************/
456int
457lpfc_hba_down_prep(struct lpfc_hba * phba)
458{
459 /* Disable interrupts */
460 writel(0, phba->HCregaddr);
461 readl(phba->HCregaddr); /* flush */
462
463 /* Cleanup potential discovery resources */
464 lpfc_els_flush_rscn(phba);
465 lpfc_els_flush_cmd(phba);
466 lpfc_disc_flush_list(phba);
467
468 return (0);
469}
470
471/************************************************************************/
472/* */
473/* lpfc_handle_eratt */
474/* This routine will handle processing a Host Attention */
475/* Error Status event. This will be initialized */
476/* as a SLI layer callback routine. */
477/* */
478/************************************************************************/
479void
480lpfc_handle_eratt(struct lpfc_hba * phba)
481{
482 struct lpfc_sli *psli = &phba->sli;
483 struct lpfc_sli_ring *pring;
484
485 /*
486 * If a reset is sent to the HBA restore PCI configuration registers.
487 */
488 if ( phba->hba_state == LPFC_INIT_START ) {
489 mdelay(1);
490 readl(phba->HCregaddr); /* flush */
491 writel(0, phba->HCregaddr);
492 readl(phba->HCregaddr); /* flush */
493
494 /* Restore PCI cmd register */
495 pci_write_config_word(phba->pcidev,
496 PCI_COMMAND, phba->pci_cfg_value);
497 }
498
499 if (phba->work_hs & HS_FFER6) {
500 /* Re-establishing Link */
501 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
502 "%d:1301 Re-establishing Link "
503 "Data: x%x x%x x%x\n",
504 phba->brd_no, phba->work_hs,
505 phba->work_status[0], phba->work_status[1]);
506 spin_lock_irq(phba->host->host_lock);
507 phba->fc_flag |= FC_ESTABLISH_LINK;
508 spin_unlock_irq(phba->host->host_lock);
509
510 /*
511 * Firmware stops when it triggled erratt with HS_FFER6.
512 * That could cause the I/Os dropped by the firmware.
513 * Error iocb (I/O) on txcmplq and let the SCSI layer
514 * retry it after re-establishing link.
515 */
516 pring = &psli->ring[psli->fcp_ring];
517 lpfc_sli_abort_iocb_ring(phba, pring);
518
519
520 /*
521 * There was a firmware error. Take the hba offline and then
522 * attempt to restart it.
523 */
524 lpfc_offline(phba);
525 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
526 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
527 return;
528 }
529 } else {
530 /* The if clause above forces this code path when the status
531 * failure is a value other than FFER6. Do not call the offline
532 * twice. This is the adapter hardware error path.
533 */
534 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
535 "%d:0457 Adapter Hardware Error "
536 "Data: x%x x%x x%x\n",
537 phba->brd_no, phba->work_hs,
538 phba->work_status[0], phba->work_status[1]);
539
540 lpfc_offline(phba);
541
542 /*
543 * Restart all traffic to this host. Since the fc_transport
544 * block functions (future) were not called in lpfc_offline,
545 * don't call them here.
546 */
547 scsi_unblock_requests(phba->host);
548 }
549}
550
551/************************************************************************/
552/* */
553/* lpfc_handle_latt */
554/* This routine will handle processing a Host Attention */
555/* Link Status event. This will be initialized */
556/* as a SLI layer callback routine. */
557/* */
558/************************************************************************/
559void
560lpfc_handle_latt(struct lpfc_hba * phba)
561{
562 struct lpfc_sli *psli = &phba->sli;
563 LPFC_MBOXQ_t *pmb;
564 volatile uint32_t control;
565 struct lpfc_dmabuf *mp;
566 int rc = -ENOMEM;
567
568 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
569 if (!pmb)
570 goto lpfc_handle_latt_err_exit;
571
572 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
573 if (!mp)
574 goto lpfc_handle_latt_free_pmb;
575
576 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
577 if (!mp->virt)
578 goto lpfc_handle_latt_free_mp;
579
580 rc = -EIO;
581
582
583 psli->slistat.link_event++;
584 lpfc_read_la(phba, pmb, mp);
585 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
586 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
587 if (rc == MBX_NOT_FINISHED)
588 goto lpfc_handle_latt_free_mp;
589
590 /* Clear Link Attention in HA REG */
591 spin_lock_irq(phba->host->host_lock);
592 writel(HA_LATT, phba->HAregaddr);
593 readl(phba->HAregaddr); /* flush */
594 spin_unlock_irq(phba->host->host_lock);
595
596 return;
597
598lpfc_handle_latt_free_mp:
599 kfree(mp);
600lpfc_handle_latt_free_pmb:
601 kfree(pmb);
602lpfc_handle_latt_err_exit:
603 /* Enable Link attention interrupts */
604 spin_lock_irq(phba->host->host_lock);
605 psli->sli_flag |= LPFC_PROCESS_LA;
606 control = readl(phba->HCregaddr);
607 control |= HC_LAINT_ENA;
608 writel(control, phba->HCregaddr);
609 readl(phba->HCregaddr); /* flush */
610
611 /* Clear Link Attention in HA REG */
612 writel(HA_LATT, phba->HAregaddr);
613 readl(phba->HAregaddr); /* flush */
614 spin_unlock_irq(phba->host->host_lock);
615 lpfc_linkdown(phba);
616 phba->hba_state = LPFC_HBA_ERROR;
617
618 /* The other case is an error from issue_mbox */
619 if (rc == -ENOMEM)
620 lpfc_printf_log(phba,
621 KERN_WARNING,
622 LOG_MBOX,
623 "%d:0300 READ_LA: no buffers\n",
624 phba->brd_no);
625
626 return;
627}
628
629/************************************************************************/
630/* */
631/* lpfc_parse_vpd */
632/* This routine will parse the VPD data */
633/* */
634/************************************************************************/
635static int
636lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
637{
638 uint8_t lenlo, lenhi;
639 uint32_t Length;
640 int i, j;
641 int finished = 0;
642 int index = 0;
643
644 if (!vpd)
645 return 0;
646
647 /* Vital Product */
648 lpfc_printf_log(phba,
649 KERN_INFO,
650 LOG_INIT,
651 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
652 phba->brd_no,
653 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
654 (uint32_t) vpd[3]);
655 do {
656 switch (vpd[index]) {
657 case 0x82:
658 index += 1;
659 lenlo = vpd[index];
660 index += 1;
661 lenhi = vpd[index];
662 index += 1;
663 i = ((((unsigned short)lenhi) << 8) + lenlo);
664 index += i;
665 break;
666 case 0x90:
667 index += 1;
668 lenlo = vpd[index];
669 index += 1;
670 lenhi = vpd[index];
671 index += 1;
672 Length = ((((unsigned short)lenhi) << 8) + lenlo);
673
674 while (Length > 0) {
675 /* Look for Serial Number */
676 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
677 index += 2;
678 i = vpd[index];
679 index += 1;
680 j = 0;
681 Length -= (3+i);
682 while(i--) {
683 phba->SerialNumber[j++] = vpd[index++];
684 if (j == 31)
685 break;
686 }
687 phba->SerialNumber[j] = 0;
688 continue;
689 }
690 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
691 phba->vpd_flag |= VPD_MODEL_DESC;
692 index += 2;
693 i = vpd[index];
694 index += 1;
695 j = 0;
696 Length -= (3+i);
697 while(i--) {
698 phba->ModelDesc[j++] = vpd[index++];
699 if (j == 255)
700 break;
701 }
702 phba->ModelDesc[j] = 0;
703 continue;
704 }
705 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
706 phba->vpd_flag |= VPD_MODEL_NAME;
707 index += 2;
708 i = vpd[index];
709 index += 1;
710 j = 0;
711 Length -= (3+i);
712 while(i--) {
713 phba->ModelName[j++] = vpd[index++];
714 if (j == 79)
715 break;
716 }
717 phba->ModelName[j] = 0;
718 continue;
719 }
720 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
721 phba->vpd_flag |= VPD_PROGRAM_TYPE;
722 index += 2;
723 i = vpd[index];
724 index += 1;
725 j = 0;
726 Length -= (3+i);
727 while(i--) {
728 phba->ProgramType[j++] = vpd[index++];
729 if (j == 255)
730 break;
731 }
732 phba->ProgramType[j] = 0;
733 continue;
734 }
735 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
736 phba->vpd_flag |= VPD_PORT;
737 index += 2;
738 i = vpd[index];
739 index += 1;
740 j = 0;
741 Length -= (3+i);
742 while(i--) {
743 phba->Port[j++] = vpd[index++];
744 if (j == 19)
745 break;
746 }
747 phba->Port[j] = 0;
748 continue;
749 }
750 else {
751 index += 2;
752 i = vpd[index];
753 index += 1;
754 index += i;
755 Length -= (3 + i);
756 }
757 }
758 finished = 0;
759 break;
760 case 0x78:
761 finished = 1;
762 break;
763 default:
764 index ++;
765 break;
766 }
767 } while (!finished && (index < 108));
768
769 return(1);
770}
771
772static void
773lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
774{
775 lpfc_vpd_t *vp;
776 uint32_t id;
777 char str[16];
778
779 vp = &phba->vpd;
780 pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
781
782 switch ((id >> 16) & 0xffff) {
783 case PCI_DEVICE_ID_SUPERFLY:
784 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
785 strcpy(str, "LP7000 1");
786 else
787 strcpy(str, "LP7000E 1");
788 break;
789 case PCI_DEVICE_ID_DRAGONFLY:
790 strcpy(str, "LP8000 1");
791 break;
792 case PCI_DEVICE_ID_CENTAUR:
793 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
794 strcpy(str, "LP9002 2");
795 else
796 strcpy(str, "LP9000 1");
797 break;
798 case PCI_DEVICE_ID_RFLY:
799 strcpy(str, "LP952 2");
800 break;
801 case PCI_DEVICE_ID_PEGASUS:
802 strcpy(str, "LP9802 2");
803 break;
804 case PCI_DEVICE_ID_THOR:
805 strcpy(str, "LP10000 2");
806 break;
807 case PCI_DEVICE_ID_VIPER:
808 strcpy(str, "LPX1000 10");
809 break;
810 case PCI_DEVICE_ID_PFLY:
811 strcpy(str, "LP982 2");
812 break;
813 case PCI_DEVICE_ID_TFLY:
814 strcpy(str, "LP1050 2");
815 break;
816 case PCI_DEVICE_ID_HELIOS:
817 strcpy(str, "LP11000 4");
818 break;
819 case PCI_DEVICE_ID_BMID:
820 strcpy(str, "LP1150 4");
821 break;
822 case PCI_DEVICE_ID_BSMB:
823 strcpy(str, "LP111 4");
824 break;
825 case PCI_DEVICE_ID_ZEPHYR:
826 strcpy(str, "LP11000e 4");
827 break;
828 case PCI_DEVICE_ID_ZMID:
829 strcpy(str, "LP1150e 4");
830 break;
831 case PCI_DEVICE_ID_ZSMB:
832 strcpy(str, "LP111e 4");
833 break;
834 case PCI_DEVICE_ID_LP101:
835 strcpy(str, "LP101 2");
836 break;
837 case PCI_DEVICE_ID_LP10000S:
838 strcpy(str, "LP10000-S 2");
839 break;
840 }
841 if (mdp)
842 sscanf(str, "%s", mdp);
843 if (descp)
844 sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
845 "Channel Adapter", str);
846}
847
848/**************************************************/
849/* lpfc_post_buffer */
850/* */
851/* This routine will post count buffers to the */
852/* ring with the QUE_RING_BUF_CN command. This */
853/* allows 3 buffers / command to be posted. */
854/* Returns the number of buffers NOT posted. */
855/**************************************************/
856int
857lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
858 int type)
859{
860 IOCB_t *icmd;
861 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
862 struct lpfc_iocbq *iocb = NULL;
863 struct lpfc_dmabuf *mp1, *mp2;
864
865 cnt += pring->missbufcnt;
866
867 /* While there are buffers to post */
868 while (cnt > 0) {
869 /* Allocate buffer for command iocb */
870 spin_lock_irq(phba->host->host_lock);
871 list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list);
872 spin_unlock_irq(phba->host->host_lock);
873 if (iocb == NULL) {
874 pring->missbufcnt = cnt;
875 return cnt;
876 }
877 memset(iocb, 0, sizeof (struct lpfc_iocbq));
878 icmd = &iocb->iocb;
879
880 /* 2 buffers can be posted per command */
881 /* Allocate buffer to post */
882 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
883 if (mp1)
884 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
885 &mp1->phys);
886 if (mp1 == 0 || mp1->virt == 0) {
887 if (mp1)
888 kfree(mp1);
889 spin_lock_irq(phba->host->host_lock);
890 list_add_tail(&iocb->list, lpfc_iocb_list);
891 spin_unlock_irq(phba->host->host_lock);
892 pring->missbufcnt = cnt;
893 return cnt;
894 }
895
896 INIT_LIST_HEAD(&mp1->list);
897 /* Allocate buffer to post */
898 if (cnt > 1) {
899 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
900 if (mp2)
901 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
902 &mp2->phys);
903 if (mp2 == 0 || mp2->virt == 0) {
904 if (mp2)
905 kfree(mp2);
906 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
907 kfree(mp1);
908 spin_lock_irq(phba->host->host_lock);
909 list_add_tail(&iocb->list, lpfc_iocb_list);
910 spin_unlock_irq(phba->host->host_lock);
911 pring->missbufcnt = cnt;
912 return cnt;
913 }
914
915 INIT_LIST_HEAD(&mp2->list);
916 } else {
917 mp2 = NULL;
918 }
919
920 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
921 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
922 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
923 icmd->ulpBdeCount = 1;
924 cnt--;
925 if (mp2) {
926 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
927 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
928 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
929 cnt--;
930 icmd->ulpBdeCount = 2;
931 }
932
933 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
934 icmd->ulpLe = 1;
935
936 spin_lock_irq(phba->host->host_lock);
937 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
938 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
939 kfree(mp1);
940 cnt++;
941 if (mp2) {
942 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
943 kfree(mp2);
944 cnt++;
945 }
946 list_add_tail(&iocb->list, lpfc_iocb_list);
947 pring->missbufcnt = cnt;
948 spin_unlock_irq(phba->host->host_lock);
949 return cnt;
950 }
951 spin_unlock_irq(phba->host->host_lock);
952 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
953 if (mp2) {
954 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
955 }
956 }
957 pring->missbufcnt = 0;
958 return 0;
959}
960
961/************************************************************************/
962/* */
963/* lpfc_post_rcv_buf */
964/* This routine post initial rcv buffers to the configured rings */
965/* */
966/************************************************************************/
967static int
968lpfc_post_rcv_buf(struct lpfc_hba * phba)
969{
970 struct lpfc_sli *psli = &phba->sli;
971
972 /* Ring 0, ELS / CT buffers */
973 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
974 /* Ring 2 - FCP no buffers needed */
975
976 return 0;
977}
978
979#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
980
981/************************************************************************/
982/* */
983/* lpfc_sha_init */
984/* */
985/************************************************************************/
986static void
987lpfc_sha_init(uint32_t * HashResultPointer)
988{
989 HashResultPointer[0] = 0x67452301;
990 HashResultPointer[1] = 0xEFCDAB89;
991 HashResultPointer[2] = 0x98BADCFE;
992 HashResultPointer[3] = 0x10325476;
993 HashResultPointer[4] = 0xC3D2E1F0;
994}
995
996/************************************************************************/
997/* */
998/* lpfc_sha_iterate */
999/* */
1000/************************************************************************/
1001static void
1002lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1003{
1004 int t;
1005 uint32_t TEMP;
1006 uint32_t A, B, C, D, E;
1007 t = 16;
1008 do {
1009 HashWorkingPointer[t] =
1010 S(1,
1011 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1012 8] ^
1013 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1014 } while (++t <= 79);
1015 t = 0;
1016 A = HashResultPointer[0];
1017 B = HashResultPointer[1];
1018 C = HashResultPointer[2];
1019 D = HashResultPointer[3];
1020 E = HashResultPointer[4];
1021
1022 do {
1023 if (t < 20) {
1024 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1025 } else if (t < 40) {
1026 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1027 } else if (t < 60) {
1028 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1029 } else {
1030 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1031 }
1032 TEMP += S(5, A) + E + HashWorkingPointer[t];
1033 E = D;
1034 D = C;
1035 C = S(30, B);
1036 B = A;
1037 A = TEMP;
1038 } while (++t <= 79);
1039
1040 HashResultPointer[0] += A;
1041 HashResultPointer[1] += B;
1042 HashResultPointer[2] += C;
1043 HashResultPointer[3] += D;
1044 HashResultPointer[4] += E;
1045
1046}
1047
1048/************************************************************************/
1049/* */
1050/* lpfc_challenge_key */
1051/* */
1052/************************************************************************/
1053static void
1054lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1055{
1056 *HashWorking = (*RandomChallenge ^ *HashWorking);
1057}
1058
1059/************************************************************************/
1060/* */
1061/* lpfc_hba_init */
1062/* */
1063/************************************************************************/
1064void
1065lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1066{
1067 int t;
1068 uint32_t *HashWorking;
1069 uint32_t *pwwnn = phba->wwnn;
1070
1071 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1072 if (!HashWorking)
1073 return;
1074
1075 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1076 HashWorking[0] = HashWorking[78] = *pwwnn++;
1077 HashWorking[1] = HashWorking[79] = *pwwnn;
1078
1079 for (t = 0; t < 7; t++)
1080 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1081
1082 lpfc_sha_init(hbainit);
1083 lpfc_sha_iterate(hbainit, HashWorking);
1084 kfree(HashWorking);
1085}
1086
1087static void
1088lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1089{
1090 struct lpfc_nodelist *ndlp, *next_ndlp;
1091
1092 /* clean up phba - lpfc specific */
1093 lpfc_can_disctmo(phba);
1094 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1095 nlp_listp) {
1096 lpfc_nlp_remove(phba, ndlp);
1097 }
1098
1099 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1100 nlp_listp) {
1101 lpfc_nlp_remove(phba, ndlp);
1102 }
1103
1104 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1105 nlp_listp) {
1106 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1107 }
1108
1109 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1110 nlp_listp) {
1111 lpfc_nlp_remove(phba, ndlp);
1112 }
1113
1114 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1115 nlp_listp) {
1116 lpfc_nlp_remove(phba, ndlp);
1117 }
1118
1119 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1120 nlp_listp) {
1121 lpfc_nlp_remove(phba, ndlp);
1122 }
1123
1124 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1125 nlp_listp) {
1126 lpfc_nlp_remove(phba, ndlp);
1127 }
1128
1129 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1130 nlp_listp) {
1131 lpfc_nlp_remove(phba, ndlp);
1132 }
1133
1134 INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1135 INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1136 INIT_LIST_HEAD(&phba->fc_unused_list);
1137 INIT_LIST_HEAD(&phba->fc_plogi_list);
1138 INIT_LIST_HEAD(&phba->fc_adisc_list);
1139 INIT_LIST_HEAD(&phba->fc_reglogin_list);
1140 INIT_LIST_HEAD(&phba->fc_prli_list);
1141 INIT_LIST_HEAD(&phba->fc_npr_list);
1142
1143 phba->fc_map_cnt = 0;
1144 phba->fc_unmap_cnt = 0;
1145 phba->fc_plogi_cnt = 0;
1146 phba->fc_adisc_cnt = 0;
1147 phba->fc_reglogin_cnt = 0;
1148 phba->fc_prli_cnt = 0;
1149 phba->fc_npr_cnt = 0;
1150 phba->fc_unused_cnt= 0;
1151 return;
1152}
1153
1154static void
1155lpfc_establish_link_tmo(unsigned long ptr)
1156{
1157 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1158 unsigned long iflag;
1159
1160
1161 /* Re-establishing Link, timer expired */
1162 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1163 "%d:1300 Re-establishing Link, timer expired "
1164 "Data: x%x x%x\n",
1165 phba->brd_no, phba->fc_flag, phba->hba_state);
1166 spin_lock_irqsave(phba->host->host_lock, iflag);
1167 phba->fc_flag &= ~FC_ESTABLISH_LINK;
1168 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1169}
1170
1171static int
1172lpfc_stop_timer(struct lpfc_hba * phba)
1173{
1174 struct lpfc_sli *psli = &phba->sli;
1175
1176 /* Instead of a timer, this has been converted to a
1177 * deferred procedding list.
1178 */
1179 while (!list_empty(&phba->freebufList)) {
1180
1181 struct lpfc_dmabuf *mp = NULL;
1182
1183 list_remove_head((&phba->freebufList), mp,
1184 struct lpfc_dmabuf, list);
1185 if (mp) {
1186 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1187 kfree(mp);
1188 }
1189 }
1190
1191 del_timer_sync(&phba->fc_estabtmo);
1192 del_timer_sync(&phba->fc_disctmo);
1193 del_timer_sync(&phba->fc_fdmitmo);
1194 del_timer_sync(&phba->els_tmofunc);
1195 psli = &phba->sli;
1196 del_timer_sync(&psli->mbox_tmo);
1197 return(1);
1198}
1199
1200int
1201lpfc_online(struct lpfc_hba * phba)
1202{
1203 if (!phba)
1204 return 0;
1205
1206 if (!(phba->fc_flag & FC_OFFLINE_MODE))
1207 return 0;
1208
1209 lpfc_printf_log(phba,
1210 KERN_WARNING,
1211 LOG_INIT,
1212 "%d:0458 Bring Adapter online\n",
1213 phba->brd_no);
1214
1215 if (!lpfc_sli_queue_setup(phba))
1216 return 1;
1217
1218 if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */
1219 return 1;
1220
1221 spin_lock_irq(phba->host->host_lock);
1222 phba->fc_flag &= ~FC_OFFLINE_MODE;
1223 spin_unlock_irq(phba->host->host_lock);
1224
1225 /*
1226 * Restart all traffic to this host. Since the fc_transport block
1227 * functions (future) were not called in lpfc_offline, don't call them
1228 * here.
1229 */
1230 scsi_unblock_requests(phba->host);
1231 return 0;
1232}
1233
1234int
1235lpfc_offline(struct lpfc_hba * phba)
1236{
1237 struct lpfc_sli_ring *pring;
1238 struct lpfc_sli *psli;
1239 unsigned long iflag;
1240 int i = 0;
1241
1242 if (!phba)
1243 return 0;
1244
1245 if (phba->fc_flag & FC_OFFLINE_MODE)
1246 return 0;
1247
1248 /*
1249 * Don't call the fc_transport block api (future). The device is
1250 * going offline and causing a timer to fire in the midlayer is
1251 * unproductive. Just block all new requests until the driver
1252 * comes back online.
1253 */
1254 scsi_block_requests(phba->host);
1255 psli = &phba->sli;
1256 pring = &psli->ring[psli->fcp_ring];
1257
1258 lpfc_linkdown(phba);
1259
1260 /* The linkdown event takes 30 seconds to timeout. */
1261 while (pring->txcmplq_cnt) {
1262 mdelay(10);
1263 if (i++ > 3000)
1264 break;
1265 }
1266
1267 /* stop all timers associated with this hba */
1268 lpfc_stop_timer(phba);
1269 phba->work_hba_events = 0;
1270
1271 lpfc_printf_log(phba,
1272 KERN_WARNING,
1273 LOG_INIT,
1274 "%d:0460 Bring Adapter offline\n",
1275 phba->brd_no);
1276
1277 /* Bring down the SLI Layer and cleanup. The HBA is offline
1278 now. */
1279 lpfc_sli_hba_down(phba);
1280 lpfc_cleanup(phba, 1);
1281 spin_lock_irqsave(phba->host->host_lock, iflag);
1282 phba->fc_flag |= FC_OFFLINE_MODE;
1283 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1284 return 0;
1285}
1286
1287/******************************************************************************
1288* Function name: lpfc_scsi_free
1289*
1290* Description: Called from lpfc_pci_remove_one free internal driver resources
1291*
1292******************************************************************************/
1293static int
1294lpfc_scsi_free(struct lpfc_hba * phba)
1295{
1296 struct lpfc_scsi_buf *sb, *sb_next;
1297 struct lpfc_iocbq *io, *io_next;
1298
1299 spin_lock_irq(phba->host->host_lock);
1300 /* Release all the lpfc_scsi_bufs maintained by this host. */
1301 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1302 list_del(&sb->list);
1303 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1304 sb->dma_handle);
1305 kfree(sb);
1306 phba->total_scsi_bufs--;
1307 }
1308
1309 /* Release all the lpfc_iocbq entries maintained by this host. */
1310 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1311 list_del(&io->list);
1312 kfree(io);
1313 phba->total_iocbq_bufs--;
1314 }
1315
1316 spin_unlock_irq(phba->host->host_lock);
1317
1318 return 0;
1319}
1320
1321
1322static int __devinit
1323lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1324{
1325 struct Scsi_Host *host;
1326 struct lpfc_hba *phba;
1327 struct lpfc_sli *psli;
1328 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1329 unsigned long bar0map_len, bar2map_len;
1330 int error = -ENODEV, retval;
1331 int i;
1332 u64 wwname;
1333
1334 if (pci_enable_device(pdev))
1335 goto out;
1336 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1337 goto out_disable_device;
1338
1339 host = scsi_host_alloc(&lpfc_template,
1340 sizeof (struct lpfc_hba) + sizeof (unsigned long));
1341 if (!host)
1342 goto out_release_regions;
1343
1344 phba = (struct lpfc_hba*)host->hostdata;
1345 memset(phba, 0, sizeof (struct lpfc_hba));
1346 phba->link_stats = (void *)&phba[1];
1347 phba->host = host;
1348
1349 phba->fc_flag |= FC_LOADING;
1350 phba->pcidev = pdev;
1351
1352 /* Assign an unused board number */
1353 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1354 goto out_put_host;
1355
1356 error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1357 if (error)
1358 goto out_put_host;
1359
1360 host->unique_id = phba->brd_no;
1361
1362 INIT_LIST_HEAD(&phba->ctrspbuflist);
1363 INIT_LIST_HEAD(&phba->rnidrspbuflist);
1364 INIT_LIST_HEAD(&phba->freebufList);
1365
1366 /* Initialize timers used by driver */
1367 init_timer(&phba->fc_estabtmo);
1368 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1369 phba->fc_estabtmo.data = (unsigned long)phba;
1370 init_timer(&phba->fc_disctmo);
1371 phba->fc_disctmo.function = lpfc_disc_timeout;
1372 phba->fc_disctmo.data = (unsigned long)phba;
1373
1374 init_timer(&phba->fc_fdmitmo);
1375 phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1376 phba->fc_fdmitmo.data = (unsigned long)phba;
1377 init_timer(&phba->els_tmofunc);
1378 phba->els_tmofunc.function = lpfc_els_timeout;
1379 phba->els_tmofunc.data = (unsigned long)phba;
1380 psli = &phba->sli;
1381 init_timer(&psli->mbox_tmo);
1382 psli->mbox_tmo.function = lpfc_mbox_timeout;
1383 psli->mbox_tmo.data = (unsigned long)phba;
1384
1385 /*
1386 * Get all the module params for configuring this host and then
1387 * establish the host parameters.
1388 */
1389 lpfc_get_cfgparam(phba);
1390
1391 host->max_id = LPFC_MAX_TARGET;
1392 host->max_lun = phba->cfg_max_luns;
1393 host->this_id = -1;
1394
1395 /* Initialize all internally managed lists. */
1396 INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1397 INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1398 INIT_LIST_HEAD(&phba->fc_unused_list);
1399 INIT_LIST_HEAD(&phba->fc_plogi_list);
1400 INIT_LIST_HEAD(&phba->fc_adisc_list);
1401 INIT_LIST_HEAD(&phba->fc_reglogin_list);
1402 INIT_LIST_HEAD(&phba->fc_prli_list);
1403 INIT_LIST_HEAD(&phba->fc_npr_list);
1404
1405
1406 pci_set_master(pdev);
1407 retval = pci_set_mwi(pdev);
1408 if (retval)
1409 dev_printk(KERN_WARNING, &pdev->dev,
1410 "Warning: pci_set_mwi returned %d\n", retval);
1411
1412 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1413 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1414 goto out_idr_remove;
1415
1416 /*
1417 * Get the bus address of Bar0 and Bar2 and the number of bytes
1418 * required by each mapping.
1419 */
1420 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1421 bar0map_len = pci_resource_len(phba->pcidev, 0);
1422
1423 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1424 bar2map_len = pci_resource_len(phba->pcidev, 2);
1425
1426 /* Map HBA SLIM and Control Registers to a kernel virtual address. */
1427 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1428 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1429
1430 /* Allocate memory for SLI-2 structures */
1431 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1432 &phba->slim2p_mapping, GFP_KERNEL);
1433 if (!phba->slim2p)
1434 goto out_iounmap;
1435
1436
1437 /* Initialize the SLI Layer to run with lpfc HBAs. */
1438 lpfc_sli_setup(phba);
1439 lpfc_sli_queue_setup(phba);
1440
1441 error = lpfc_mem_alloc(phba);
1442 if (error)
1443 goto out_free_slim;
1444
1445 /* Initialize and populate the iocb list per host. */
1446 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1447 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1448 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1449 if (iocbq_entry == NULL) {
1450 printk(KERN_ERR "%s: only allocated %d iocbs of "
1451 "expected %d count. Unloading driver.\n",
1452 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1453 error = -ENOMEM;
1454 goto out_free_iocbq;
1455 }
1456
1457 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1458 spin_lock_irq(phba->host->host_lock);
1459 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1460 phba->total_iocbq_bufs++;
1461 spin_unlock_irq(phba->host->host_lock);
1462 }
1463
1464 /* Initialize HBA structure */
1465 phba->fc_edtov = FF_DEF_EDTOV;
1466 phba->fc_ratov = FF_DEF_RATOV;
1467 phba->fc_altov = FF_DEF_ALTOV;
1468 phba->fc_arbtov = FF_DEF_ARBTOV;
1469
1470 INIT_LIST_HEAD(&phba->work_list);
1471 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1472 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1473
1474 /* Startup the kernel thread for this host adapter. */
1475 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1476 "lpfc_worker_%d", phba->brd_no);
1477 if (IS_ERR(phba->worker_thread)) {
1478 error = PTR_ERR(phba->worker_thread);
1479 goto out_free_iocbq;
1480 }
1481
1482 /* We can rely on a queue depth attribute only after SLI HBA setup */
1483 host->can_queue = phba->cfg_hba_queue_depth - 10;
1484
1485 /* Tell the midlayer we support 16 byte commands */
1486 host->max_cmd_len = 16;
1487
1488 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1489 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1490
1491 host->transportt = lpfc_transport_template;
1492 host->hostdata[0] = (unsigned long)phba;
1493 pci_set_drvdata(pdev, host);
1494 error = scsi_add_host(host, &pdev->dev);
1495 if (error)
1496 goto out_kthread_stop;
1497
1498 error = lpfc_alloc_sysfs_attr(phba);
1499 if (error)
1500 goto out_kthread_stop;
1501
1502 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
1503 LPFC_DRIVER_NAME, phba);
1504 if (error) {
1505 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1506 "%d:0451 Enable interrupt handler failed\n",
1507 phba->brd_no);
1508 goto out_free_sysfs_attr;
1509 }
1510 phba->MBslimaddr = phba->slim_memmap_p;
1511 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1512 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1513 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1514 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1515
1516 error = lpfc_sli_hba_setup(phba);
1517 if (error)
1518 goto out_free_irq;
1519
1520 /*
1521 * set fixed host attributes
1522 * Must done after lpfc_sli_hba_setup()
1523 */
1524
1525 memcpy(&wwname, &phba->fc_nodename, sizeof(u64));
1526 fc_host_node_name(host) = be64_to_cpu(wwname);
1527 memcpy(&wwname, &phba->fc_portname, sizeof(u64));
1528 fc_host_port_name(host) = be64_to_cpu(wwname);
1529 fc_host_supported_classes(host) = FC_COS_CLASS3;
1530
1531 memset(fc_host_supported_fc4s(host), 0,
1532 sizeof(fc_host_supported_fc4s(host)));
1533 fc_host_supported_fc4s(host)[2] = 1;
1534 fc_host_supported_fc4s(host)[7] = 1;
1535
1536 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1537
1538 fc_host_supported_speeds(host) = 0;
1539 switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) {
1540 case VIPER_JEDEC_ID:
1541 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1542 break;
1543 case HELIOS_JEDEC_ID:
1544 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1545 /* Fall through */
1546 case CENTAUR_2G_JEDEC_ID:
1547 case PEGASUS_JEDEC_ID:
1548 case THOR_JEDEC_ID:
1549 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1550 /* Fall through */
1551 default:
1552 fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT;
1553 }
1554
1555 fc_host_maxframe_size(host) =
1556 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1557 (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1558
1559 /* This value is also unchanging */
1560 memset(fc_host_active_fc4s(host), 0,
1561 sizeof(fc_host_active_fc4s(host)));
1562 fc_host_active_fc4s(host)[2] = 1;
1563 fc_host_active_fc4s(host)[7] = 1;
1564
1565 spin_lock_irq(phba->host->host_lock);
1566 phba->fc_flag &= ~FC_LOADING;
1567 spin_unlock_irq(phba->host->host_lock);
1568 return 0;
1569
1570out_free_irq:
1571 lpfc_stop_timer(phba);
1572 phba->work_hba_events = 0;
1573 free_irq(phba->pcidev->irq, phba);
1574out_free_sysfs_attr:
1575 lpfc_free_sysfs_attr(phba);
1576out_kthread_stop:
1577 kthread_stop(phba->worker_thread);
1578out_free_iocbq:
1579 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1580 &phba->lpfc_iocb_list, list) {
1581 spin_lock_irq(phba->host->host_lock);
1582 kfree(iocbq_entry);
1583 phba->total_iocbq_bufs--;
1584 spin_unlock_irq(phba->host->host_lock);
1585 }
1586 lpfc_mem_free(phba);
1587out_free_slim:
1588 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1589 phba->slim2p_mapping);
1590out_iounmap:
1591 iounmap(phba->ctrl_regs_memmap_p);
1592 iounmap(phba->slim_memmap_p);
1593out_idr_remove:
1594 idr_remove(&lpfc_hba_index, phba->brd_no);
1595out_put_host:
1596 scsi_host_put(host);
1597out_release_regions:
1598 pci_release_regions(pdev);
1599out_disable_device:
1600 pci_disable_device(pdev);
1601out:
1602 return error;
1603}
1604
1605static void __devexit
1606lpfc_pci_remove_one(struct pci_dev *pdev)
1607{
1608 struct Scsi_Host *host = pci_get_drvdata(pdev);
1609 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0];
1610 unsigned long iflag;
1611
1612 lpfc_free_sysfs_attr(phba);
1613
1614 spin_lock_irqsave(phba->host->host_lock, iflag);
1615 phba->fc_flag |= FC_UNLOADING;
1616
1617 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1618
1619 fc_remove_host(phba->host);
1620 scsi_remove_host(phba->host);
1621
1622 kthread_stop(phba->worker_thread);
1623
1624 /*
1625 * Bring down the SLI Layer. This step disable all interrupts,
1626 * clears the rings, discards all mailbox commands, and resets
1627 * the HBA.
1628 */
1629 lpfc_sli_hba_down(phba);
1630
1631 /* Release the irq reservation */
1632 free_irq(phba->pcidev->irq, phba);
1633
1634 lpfc_cleanup(phba, 0);
1635 lpfc_stop_timer(phba);
1636 phba->work_hba_events = 0;
1637
1638 /*
1639 * Call scsi_free before mem_free since scsi bufs are released to their
1640 * corresponding pools here.
1641 */
1642 lpfc_scsi_free(phba);
1643 lpfc_mem_free(phba);
1644
1645 /* Free resources associated with SLI2 interface */
1646 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1647 phba->slim2p, phba->slim2p_mapping);
1648
1649 /* unmap adapter SLIM and Control Registers */
1650 iounmap(phba->ctrl_regs_memmap_p);
1651 iounmap(phba->slim_memmap_p);
1652
1653 pci_release_regions(phba->pcidev);
1654 pci_disable_device(phba->pcidev);
1655
1656 idr_remove(&lpfc_hba_index, phba->brd_no);
1657 scsi_host_put(phba->host);
1658
1659 pci_set_drvdata(pdev, NULL);
1660}
1661
1662static struct pci_device_id lpfc_id_table[] = {
1663 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1664 PCI_ANY_ID, PCI_ANY_ID, },
1665 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1666 PCI_ANY_ID, PCI_ANY_ID, },
1667 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1668 PCI_ANY_ID, PCI_ANY_ID, },
1669 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1670 PCI_ANY_ID, PCI_ANY_ID, },
1671 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1672 PCI_ANY_ID, PCI_ANY_ID, },
1673 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1674 PCI_ANY_ID, PCI_ANY_ID, },
1675 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1676 PCI_ANY_ID, PCI_ANY_ID, },
1677 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1678 PCI_ANY_ID, PCI_ANY_ID, },
1679 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1680 PCI_ANY_ID, PCI_ANY_ID, },
1681 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1682 PCI_ANY_ID, PCI_ANY_ID, },
1683 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1684 PCI_ANY_ID, PCI_ANY_ID, },
1685 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1686 PCI_ANY_ID, PCI_ANY_ID, },
1687 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1688 PCI_ANY_ID, PCI_ANY_ID, },
1689 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1690 PCI_ANY_ID, PCI_ANY_ID, },
1691 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1692 PCI_ANY_ID, PCI_ANY_ID, },
1693 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1694 PCI_ANY_ID, PCI_ANY_ID, },
1695 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1696 PCI_ANY_ID, PCI_ANY_ID, },
1697 { 0 }
1698};
1699
1700MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1701
1702static struct pci_driver lpfc_driver = {
1703 .name = LPFC_DRIVER_NAME,
1704 .id_table = lpfc_id_table,
1705 .probe = lpfc_pci_probe_one,
1706 .remove = __devexit_p(lpfc_pci_remove_one),
1707};
1708
1709static int __init
1710lpfc_init(void)
1711{
1712 int error = 0;
1713
1714 printk(LPFC_MODULE_DESC "\n");
1715
1716 lpfc_transport_template =
1717 fc_attach_transport(&lpfc_transport_functions);
1718 if (!lpfc_transport_template)
1719 return -ENOMEM;
1720 error = pci_register_driver(&lpfc_driver);
1721 if (error)
1722 fc_release_transport(lpfc_transport_template);
1723
1724 return error;
1725}
1726
1727static void __exit
1728lpfc_exit(void)
1729{
1730 pci_unregister_driver(&lpfc_driver);
1731 fc_release_transport(lpfc_transport_template);
1732}
1733
1734module_init(lpfc_init);
1735module_exit(lpfc_exit);
1736MODULE_LICENSE("GPL");
1737MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1738MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1739MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
new file mode 100644
index 000000000000..a85268880fae
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -0,0 +1,41 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_logmsg.h 1.32 2005/01/25 17:52:01EST sf_support Exp $
23 */
24
25#define LOG_ELS 0x1 /* ELS events */
26#define LOG_DISCOVERY 0x2 /* Link discovery events */
27#define LOG_MBOX 0x4 /* Mailbox events */
28#define LOG_INIT 0x8 /* Initialization events */
29#define LOG_LINK_EVENT 0x10 /* Link events */
30#define LOG_IP 0x20 /* IP traffic history */
31#define LOG_FCP 0x40 /* FCP traffic history */
32#define LOG_NODE 0x80 /* Node table events */
33#define LOG_MISC 0x400 /* Miscellaneous events */
34#define LOG_SLI 0x800 /* SLI events */
35#define LOG_CHK_COND 0x1000 /* FCP Check condition flag */
36#define LOG_LIBDFC 0x2000 /* Libdfc events */
37#define LOG_ALL_MSG 0xffff /* LOG all messages */
38
39#define lpfc_printf_log(phba, level, mask, fmt, arg...) \
40 { if (((mask) &(phba)->cfg_log_verbose) || (level[1] <= '3')) \
41 dev_printk(level, &((phba)->pcidev)->dev, fmt, ##arg); }
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
new file mode 100644
index 000000000000..8712a80fe747
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -0,0 +1,646 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_mbox.c 1.85 2005/04/13 11:59:11EDT sf_support Exp $
23 */
24
25#include <linux/blkdev.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28
29#include "lpfc_hw.h"
30#include "lpfc_sli.h"
31#include "lpfc_disc.h"
32#include "lpfc_scsi.h"
33#include "lpfc.h"
34#include "lpfc_logmsg.h"
35#include "lpfc_crtn.h"
36#include "lpfc_compat.h"
37
38/**********************************************/
39
40/* mailbox command */
41/**********************************************/
42void
43lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
44{
45 MAILBOX_t *mb;
46 void *ctx;
47
48 mb = &pmb->mb;
49 ctx = pmb->context2;
50
51 /* Setup to dump VPD region */
52 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
53 mb->mbxCommand = MBX_DUMP_MEMORY;
54 mb->un.varDmp.cv = 1;
55 mb->un.varDmp.type = DMP_NV_PARAMS;
56 mb->un.varDmp.entry_index = offset;
57 mb->un.varDmp.region_id = DMP_REGION_VPD;
58 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
59 mb->un.varDmp.co = 0;
60 mb->un.varDmp.resp_offset = 0;
61 pmb->context2 = ctx;
62 mb->mbxOwner = OWN_HOST;
63 return;
64}
65
66/**********************************************/
67/* lpfc_read_nv Issue a READ NVPARAM */
68/* mailbox command */
69/**********************************************/
70void
71lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
72{
73 MAILBOX_t *mb;
74
75 mb = &pmb->mb;
76 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
77 mb->mbxCommand = MBX_READ_NV;
78 mb->mbxOwner = OWN_HOST;
79 return;
80}
81
82/**********************************************/
83/* lpfc_read_la Issue a READ LA */
84/* mailbox command */
85/**********************************************/
86int
87lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
88{
89 MAILBOX_t *mb;
90 struct lpfc_sli *psli;
91
92 psli = &phba->sli;
93 mb = &pmb->mb;
94 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
95
96 INIT_LIST_HEAD(&mp->list);
97 mb->mbxCommand = MBX_READ_LA64;
98 mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128;
99 mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
100 mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys);
101
102 /* Save address for later completion and set the owner to host so that
103 * the FW knows this mailbox is available for processing.
104 */
105 pmb->context1 = (uint8_t *) mp;
106 mb->mbxOwner = OWN_HOST;
107 return (0);
108}
109
110/**********************************************/
111/* lpfc_clear_la Issue a CLEAR LA */
112/* mailbox command */
113/**********************************************/
114void
115lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
116{
117 MAILBOX_t *mb;
118
119 mb = &pmb->mb;
120 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
121
122 mb->un.varClearLA.eventTag = phba->fc_eventTag;
123 mb->mbxCommand = MBX_CLEAR_LA;
124 mb->mbxOwner = OWN_HOST;
125 return;
126}
127
128/**************************************************/
129/* lpfc_config_link Issue a CONFIG LINK */
130/* mailbox command */
131/**************************************************/
132void
133lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
134{
135 MAILBOX_t *mb = &pmb->mb;
136 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
137
138 /* NEW_FEATURE
139 * SLI-2, Coalescing Response Feature.
140 */
141 if (phba->cfg_cr_delay) {
142 mb->un.varCfgLnk.cr = 1;
143 mb->un.varCfgLnk.ci = 1;
144 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
145 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
146 }
147
148 mb->un.varCfgLnk.myId = phba->fc_myDID;
149 mb->un.varCfgLnk.edtov = phba->fc_edtov;
150 mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
151 mb->un.varCfgLnk.ratov = phba->fc_ratov;
152 mb->un.varCfgLnk.rttov = phba->fc_rttov;
153 mb->un.varCfgLnk.altov = phba->fc_altov;
154 mb->un.varCfgLnk.crtov = phba->fc_crtov;
155 mb->un.varCfgLnk.citov = phba->fc_citov;
156
157 if (phba->cfg_ack0)
158 mb->un.varCfgLnk.ack0_enable = 1;
159
160 mb->mbxCommand = MBX_CONFIG_LINK;
161 mb->mbxOwner = OWN_HOST;
162 return;
163}
164
165/**********************************************/
166/* lpfc_init_link Issue an INIT LINK */
167/* mailbox command */
168/**********************************************/
169void
170lpfc_init_link(struct lpfc_hba * phba,
171 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
172{
173 lpfc_vpd_t *vpd;
174 struct lpfc_sli *psli;
175 MAILBOX_t *mb;
176
177 mb = &pmb->mb;
178 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
179
180 psli = &phba->sli;
181 switch (topology) {
182 case FLAGS_TOPOLOGY_MODE_LOOP_PT:
183 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
184 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
185 break;
186 case FLAGS_TOPOLOGY_MODE_PT_PT:
187 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
188 break;
189 case FLAGS_TOPOLOGY_MODE_LOOP:
190 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
191 break;
192 case FLAGS_TOPOLOGY_MODE_PT_LOOP:
193 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
194 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
195 break;
196 }
197
198 /* NEW_FEATURE
199 * Setting up the link speed
200 */
201 vpd = &phba->vpd;
202 if (vpd->rev.feaLevelHigh >= 0x02){
203 switch(linkspeed){
204 case LINK_SPEED_1G:
205 case LINK_SPEED_2G:
206 case LINK_SPEED_4G:
207 mb->un.varInitLnk.link_flags |=
208 FLAGS_LINK_SPEED;
209 mb->un.varInitLnk.link_speed = linkspeed;
210 break;
211 case LINK_SPEED_AUTO:
212 default:
213 mb->un.varInitLnk.link_speed =
214 LINK_SPEED_AUTO;
215 break;
216 }
217
218 }
219 else
220 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
221
222 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
223 mb->mbxOwner = OWN_HOST;
224 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
225 return;
226}
227
228/**********************************************/
229/* lpfc_read_sparam Issue a READ SPARAM */
230/* mailbox command */
231/**********************************************/
232int
233lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
234{
235 struct lpfc_dmabuf *mp;
236 MAILBOX_t *mb;
237 struct lpfc_sli *psli;
238
239 psli = &phba->sli;
240 mb = &pmb->mb;
241 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
242
243 mb->mbxOwner = OWN_HOST;
244
245 /* Get a buffer to hold the HBAs Service Parameters */
246
247 if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
248 ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
249 if (mp)
250 kfree(mp);
251 mb->mbxCommand = MBX_READ_SPARM64;
252 /* READ_SPARAM: no buffers */
253 lpfc_printf_log(phba,
254 KERN_WARNING,
255 LOG_MBOX,
256 "%d:0301 READ_SPARAM: no buffers\n",
257 phba->brd_no);
258 return (1);
259 }
260 INIT_LIST_HEAD(&mp->list);
261 mb->mbxCommand = MBX_READ_SPARM64;
262 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
263 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
264 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
265
266 /* save address for completion */
267 pmb->context1 = mp;
268
269 return (0);
270}
271
272/********************************************/
273/* lpfc_unreg_did Issue a UNREG_DID */
274/* mailbox command */
275/********************************************/
276void
277lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
278{
279 MAILBOX_t *mb;
280
281 mb = &pmb->mb;
282 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
283
284 mb->un.varUnregDID.did = did;
285
286 mb->mbxCommand = MBX_UNREG_D_ID;
287 mb->mbxOwner = OWN_HOST;
288 return;
289}
290
291/***********************************************/
292
293/* command to write slim */
294/***********************************************/
295void
296lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr,
297 uint32_t value)
298{
299 MAILBOX_t *mb;
300
301 mb = &pmb->mb;
302 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
303
304 /* addr = 0x090597 is AUTO ABTS disable for ELS commands */
305 /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */
306
307 /*
308 * Always turn on DELAYED ABTS for ELS timeouts
309 */
310 if ((addr == 0x052198) && (value == 0))
311 value = 1;
312
313 mb->un.varWords[0] = addr;
314 mb->un.varWords[1] = value;
315
316 mb->mbxCommand = MBX_SET_SLIM;
317 mb->mbxOwner = OWN_HOST;
318 return;
319}
320
321/**********************************************/
322/* lpfc_read_nv Issue a READ CONFIG */
323/* mailbox command */
324/**********************************************/
325void
326lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
327{
328 MAILBOX_t *mb;
329
330 mb = &pmb->mb;
331 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
332
333 mb->mbxCommand = MBX_READ_CONFIG;
334 mb->mbxOwner = OWN_HOST;
335 return;
336}
337
338/********************************************/
339/* lpfc_reg_login Issue a REG_LOGIN */
340/* mailbox command */
341/********************************************/
342int
343lpfc_reg_login(struct lpfc_hba * phba,
344 uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag)
345{
346 uint8_t *sparam;
347 struct lpfc_dmabuf *mp;
348 MAILBOX_t *mb;
349 struct lpfc_sli *psli;
350
351 psli = &phba->sli;
352 mb = &pmb->mb;
353 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
354
355 mb->un.varRegLogin.rpi = 0;
356 mb->un.varRegLogin.did = did;
357 mb->un.varWords[30] = flag; /* Set flag to issue action on cmpl */
358
359 mb->mbxOwner = OWN_HOST;
360
361 /* Get a buffer to hold NPorts Service Parameters */
362 if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
363 ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
364 if (mp)
365 kfree(mp);
366
367 mb->mbxCommand = MBX_REG_LOGIN64;
368 /* REG_LOGIN: no buffers */
369 lpfc_printf_log(phba,
370 KERN_WARNING,
371 LOG_MBOX,
372 "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n",
373 phba->brd_no,
374 (uint32_t) did, (uint32_t) flag);
375 return (1);
376 }
377 INIT_LIST_HEAD(&mp->list);
378 sparam = mp->virt;
379
380 /* Copy param's into a new buffer */
381 memcpy(sparam, param, sizeof (struct serv_parm));
382
383 /* save address for completion */
384 pmb->context1 = (uint8_t *) mp;
385
386 mb->mbxCommand = MBX_REG_LOGIN64;
387 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
388 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
389 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
390
391 return (0);
392}
393
394/**********************************************/
395/* lpfc_unreg_login Issue a UNREG_LOGIN */
396/* mailbox command */
397/**********************************************/
398void
399lpfc_unreg_login(struct lpfc_hba * phba, uint32_t rpi, LPFC_MBOXQ_t * pmb)
400{
401 MAILBOX_t *mb;
402
403 mb = &pmb->mb;
404 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
405
406 mb->un.varUnregLogin.rpi = (uint16_t) rpi;
407 mb->un.varUnregLogin.rsvd1 = 0;
408
409 mb->mbxCommand = MBX_UNREG_LOGIN;
410 mb->mbxOwner = OWN_HOST;
411 return;
412}
413
414static void
415lpfc_config_pcb_setup(struct lpfc_hba * phba)
416{
417 struct lpfc_sli *psli = &phba->sli;
418 struct lpfc_sli_ring *pring;
419 PCB_t *pcbp = &phba->slim2p->pcb;
420 dma_addr_t pdma_addr;
421 uint32_t offset;
422 uint32_t iocbCnt;
423 int i;
424
425 psli->MBhostaddr = (uint32_t *)&phba->slim2p->mbx;
426 pcbp->maxRing = (psli->num_rings - 1);
427
428 iocbCnt = 0;
429 for (i = 0; i < psli->num_rings; i++) {
430 pring = &psli->ring[i];
431 /* A ring MUST have both cmd and rsp entries defined to be
432 valid */
433 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
434 pcbp->rdsc[i].cmdEntries = 0;
435 pcbp->rdsc[i].rspEntries = 0;
436 pcbp->rdsc[i].cmdAddrHigh = 0;
437 pcbp->rdsc[i].rspAddrHigh = 0;
438 pcbp->rdsc[i].cmdAddrLow = 0;
439 pcbp->rdsc[i].rspAddrLow = 0;
440 pring->cmdringaddr = NULL;
441 pring->rspringaddr = NULL;
442 continue;
443 }
444 /* Command ring setup for ring */
445 pring->cmdringaddr =
446 (void *)&phba->slim2p->IOCBs[iocbCnt];
447 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
448
449 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
450 (uint8_t *)phba->slim2p;
451 pdma_addr = phba->slim2p_mapping + offset;
452 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
453 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
454 iocbCnt += pring->numCiocb;
455
456 /* Response ring setup for ring */
457 pring->rspringaddr =
458 (void *)&phba->slim2p->IOCBs[iocbCnt];
459
460 pcbp->rdsc[i].rspEntries = pring->numRiocb;
461 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
462 (uint8_t *)phba->slim2p;
463 pdma_addr = phba->slim2p_mapping + offset;
464 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
465 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
466 iocbCnt += pring->numRiocb;
467 }
468}
469
470void
471lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
472{
473 MAILBOX_t *mb;
474
475 mb = &pmb->mb;
476 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
477 mb->un.varRdRev.cv = 1;
478 mb->mbxCommand = MBX_READ_REV;
479 mb->mbxOwner = OWN_HOST;
480 return;
481}
482
483void
484lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
485{
486 int i;
487 MAILBOX_t *mb = &pmb->mb;
488 struct lpfc_sli *psli;
489 struct lpfc_sli_ring *pring;
490
491 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
492
493 mb->un.varCfgRing.ring = ring;
494 mb->un.varCfgRing.maxOrigXchg = 0;
495 mb->un.varCfgRing.maxRespXchg = 0;
496 mb->un.varCfgRing.recvNotify = 1;
497
498 psli = &phba->sli;
499 pring = &psli->ring[ring];
500 mb->un.varCfgRing.numMask = pring->num_mask;
501 mb->mbxCommand = MBX_CONFIG_RING;
502 mb->mbxOwner = OWN_HOST;
503
504 /* Is this ring configured for a specific profile */
505 if (pring->prt[0].profile) {
506 mb->un.varCfgRing.profile = pring->prt[0].profile;
507 return;
508 }
509
510 /* Otherwise we setup specific rctl / type masks for this ring */
511 for (i = 0; i < pring->num_mask; i++) {
512 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
513 if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
514 mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
515 else
516 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
517 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
518 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
519 }
520
521 return;
522}
523
524void
525lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
526{
527 MAILBOX_t *mb = &pmb->mb;
528 dma_addr_t pdma_addr;
529 uint32_t bar_low, bar_high;
530 size_t offset;
531 HGP hgp;
532 void __iomem *to_slim;
533
534 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
535 mb->mbxCommand = MBX_CONFIG_PORT;
536 mb->mbxOwner = OWN_HOST;
537
538 mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
539
540 offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
541 pdma_addr = phba->slim2p_mapping + offset;
542 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
543 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
544
545 /* Now setup pcb */
546 phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
547 phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
548
549 /* Setup Mailbox pointers */
550 phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t);
551 offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
552 pdma_addr = phba->slim2p_mapping + offset;
553 phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
554 phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
555
556 /*
557 * Setup Host Group ring pointer.
558 *
559 * For efficiency reasons, the ring get/put pointers can be
560 * placed in adapter memory (SLIM) rather than in host memory.
561 * This allows firmware to avoid PCI reads/writes when updating
562 * and checking pointers.
563 *
564 * The firmware recognizes the use of SLIM memory by comparing
565 * the address of the get/put pointers structure with that of
566 * the SLIM BAR (BAR0).
567 *
568 * Caution: be sure to use the PCI config space value of BAR0/BAR1
569 * (the hardware's view of the base address), not the OS's
570 * value of pci_resource_start() as the OS value may be a cookie
571 * for ioremap/iomap.
572 */
573
574
575 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
576 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
577
578
579 /* mask off BAR0's flag bits 0 - 3 */
580 phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
581 (SLIMOFF*sizeof(uint32_t));
582 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
583 phba->slim2p->pcb.hgpAddrHigh = bar_high;
584 else
585 phba->slim2p->pcb.hgpAddrHigh = 0;
586 /* write HGP data to SLIM at the required longword offset */
587 memset(&hgp, 0, sizeof(HGP));
588 to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t));
589 lpfc_memcpy_to_slim(to_slim, &hgp, sizeof (HGP));
590
591 /* Setup Port Group ring pointer */
592 offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
593 (uint8_t *)phba->slim2p;
594 pdma_addr = phba->slim2p_mapping + offset;
595 phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
596 phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
597
598 /* Use callback routine to setp rings in the pcb */
599 lpfc_config_pcb_setup(phba);
600
601 /* special handling for LC HBAs */
602 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
603 uint32_t hbainit[5];
604
605 lpfc_hba_init(phba, hbainit);
606
607 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
608 }
609
610 /* Swap PCB if needed */
611 lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
612 sizeof (PCB_t));
613
614 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
615 "%d:0405 Service Level Interface (SLI) 2 selected\n",
616 phba->brd_no);
617}
618
619void
620lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
621{
622 struct lpfc_sli *psli;
623
624 psli = &phba->sli;
625
626 list_add_tail(&mbq->list, &psli->mboxq);
627
628 psli->mboxq_cnt++;
629
630 return;
631}
632
633LPFC_MBOXQ_t *
634lpfc_mbox_get(struct lpfc_hba * phba)
635{
636 LPFC_MBOXQ_t *mbq = NULL;
637 struct lpfc_sli *psli = &phba->sli;
638
639 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t,
640 list);
641 if (mbq) {
642 psli->mboxq_cnt--;
643 }
644
645 return mbq;
646}
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
new file mode 100644
index 000000000000..4397e1160712
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -0,0 +1,179 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_mem.c 1.79 2005/04/13 14:25:50EDT sf_support Exp $
23 */
24
25#include <linux/mempool.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28
29#include "lpfc_hw.h"
30#include "lpfc_sli.h"
31#include "lpfc_disc.h"
32#include "lpfc_scsi.h"
33#include "lpfc.h"
34#include "lpfc_crtn.h"
35
36#define LPFC_MBUF_POOL_SIZE 64 /* max elements in MBUF safety pool */
37#define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */
38
39static void *
40lpfc_pool_kmalloc(unsigned int gfp_flags, void *data)
41{
42 return kmalloc((unsigned long)data, gfp_flags);
43}
44
45static void
46lpfc_pool_kfree(void *obj, void *data)
47{
48 kfree(obj);
49}
50
51int
52lpfc_mem_alloc(struct lpfc_hba * phba)
53{
54 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
55 int i;
56
57 phba->lpfc_scsi_dma_buf_pool = pci_pool_create("lpfc_scsi_dma_buf_pool",
58 phba->pcidev, phba->cfg_sg_dma_buf_size, 8, 0);
59 if (!phba->lpfc_scsi_dma_buf_pool)
60 goto fail;
61
62 phba->lpfc_mbuf_pool = pci_pool_create("lpfc_mbuf_pool", phba->pcidev,
63 LPFC_BPL_SIZE, 8,0);
64 if (!phba->lpfc_mbuf_pool)
65 goto fail_free_dma_buf_pool;
66
67 pool->elements = kmalloc(sizeof(struct lpfc_dmabuf) *
68 LPFC_MBUF_POOL_SIZE, GFP_KERNEL);
69 pool->max_count = 0;
70 pool->current_count = 0;
71 for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) {
72 pool->elements[i].virt = pci_pool_alloc(phba->lpfc_mbuf_pool,
73 GFP_KERNEL, &pool->elements[i].phys);
74 if (!pool->elements[i].virt)
75 goto fail_free_mbuf_pool;
76 pool->max_count++;
77 pool->current_count++;
78 }
79
80 phba->mbox_mem_pool = mempool_create(LPFC_MEM_POOL_SIZE,
81 lpfc_pool_kmalloc, lpfc_pool_kfree,
82 (void *)(unsigned long)sizeof(LPFC_MBOXQ_t));
83 if (!phba->mbox_mem_pool)
84 goto fail_free_mbuf_pool;
85
86 phba->nlp_mem_pool = mempool_create(LPFC_MEM_POOL_SIZE,
87 lpfc_pool_kmalloc, lpfc_pool_kfree,
88 (void *)(unsigned long)sizeof(struct lpfc_nodelist));
89 if (!phba->nlp_mem_pool)
90 goto fail_free_mbox_pool;
91
92 return 0;
93
94 fail_free_mbox_pool:
95 mempool_destroy(phba->mbox_mem_pool);
96 fail_free_mbuf_pool:
97 while (--i)
98 pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
99 pool->elements[i].phys);
100 kfree(pool->elements);
101 pci_pool_destroy(phba->lpfc_mbuf_pool);
102 fail_free_dma_buf_pool:
103 pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool);
104 fail:
105 return -ENOMEM;
106}
107
108void
109lpfc_mem_free(struct lpfc_hba * phba)
110{
111 struct lpfc_sli *psli = &phba->sli;
112 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
113 LPFC_MBOXQ_t *mbox, *next_mbox;
114 struct lpfc_dmabuf *mp;
115 int i;
116
117 list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq, list) {
118 mp = (struct lpfc_dmabuf *) (mbox->context1);
119 if (mp) {
120 lpfc_mbuf_free(phba, mp->virt, mp->phys);
121 kfree(mp);
122 }
123 list_del(&mbox->list);
124 mempool_free(mbox, phba->mbox_mem_pool);
125 }
126
127 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
128 if (psli->mbox_active) {
129 mbox = psli->mbox_active;
130 mp = (struct lpfc_dmabuf *) (mbox->context1);
131 if (mp) {
132 lpfc_mbuf_free(phba, mp->virt, mp->phys);
133 kfree(mp);
134 }
135 mempool_free(mbox, phba->mbox_mem_pool);
136 psli->mbox_active = NULL;
137 }
138
139 for (i = 0; i < pool->current_count; i++)
140 pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
141 pool->elements[i].phys);
142 kfree(pool->elements);
143 mempool_destroy(phba->nlp_mem_pool);
144 mempool_destroy(phba->mbox_mem_pool);
145
146 pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool);
147 pci_pool_destroy(phba->lpfc_mbuf_pool);
148}
149
150void *
151lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
152{
153 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
154 void *ret;
155
156 ret = pci_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle);
157
158 if (!ret && ( mem_flags & MEM_PRI) && pool->current_count) {
159 pool->current_count--;
160 ret = pool->elements[pool->current_count].virt;
161 *handle = pool->elements[pool->current_count].phys;
162 }
163 return ret;
164}
165
166void
167lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
168{
169 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
170
171 if (pool->current_count < pool->max_count) {
172 pool->elements[pool->current_count].virt = virt;
173 pool->elements[pool->current_count].phys = dma;
174 pool->current_count++;
175 } else {
176 pci_pool_free(phba->lpfc_mbuf_pool, virt, dma);
177 }
178 return;
179}
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
new file mode 100644
index 000000000000..e7470a4738c5
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -0,0 +1,1842 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_nportdisc.c 1.179 2005/04/13 11:59:13EDT sf_support Exp $
23 */
24
25#include <linux/blkdev.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28
29#include <scsi/scsi_device.h>
30#include <scsi/scsi_host.h>
31#include <scsi/scsi_transport_fc.h>
32
33#include "lpfc_hw.h"
34#include "lpfc_sli.h"
35#include "lpfc_disc.h"
36#include "lpfc_scsi.h"
37#include "lpfc.h"
38#include "lpfc_logmsg.h"
39#include "lpfc_crtn.h"
40
41
42/* Called to verify a rcv'ed ADISC was intended for us. */
43static int
44lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
45 struct lpfc_name * nn, struct lpfc_name * pn)
46{
47 /* Compare the ADISC rsp WWNN / WWPN matches our internal node
48 * table entry for that node.
49 */
50 if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)) != 0)
51 return (0);
52
53 if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)) != 0)
54 return (0);
55
56 /* we match, return success */
57 return (1);
58}
59
60
61int
62lpfc_check_sparm(struct lpfc_hba * phba,
63 struct lpfc_nodelist * ndlp, struct serv_parm * sp,
64 uint32_t class)
65{
66 volatile struct serv_parm *hsp = &phba->fc_sparam;
67 /* First check for supported version */
68
69 /* Next check for class validity */
70 if (sp->cls1.classValid) {
71
72 if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb)
73 sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb;
74 if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb)
75 sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb;
76 } else if (class == CLASS1) {
77 return (0);
78 }
79
80 if (sp->cls2.classValid) {
81
82 if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb)
83 sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb;
84 if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb)
85 sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb;
86 } else if (class == CLASS2) {
87 return (0);
88 }
89
90 if (sp->cls3.classValid) {
91
92 if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb)
93 sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb;
94 if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb)
95 sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb;
96 } else if (class == CLASS3) {
97 return (0);
98 }
99
100 if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb)
101 sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb;
102 if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb)
103 sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb;
104
105 /* If check is good, copy wwpn wwnn into ndlp */
106 memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name));
107 memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name));
108 return (1);
109}
110
111static void *
112lpfc_check_elscmpl_iocb(struct lpfc_hba * phba,
113 struct lpfc_iocbq *cmdiocb,
114 struct lpfc_iocbq *rspiocb)
115{
116 struct lpfc_dmabuf *pcmd, *prsp;
117 uint32_t *lp;
118 void *ptr = NULL;
119 IOCB_t *irsp;
120
121 irsp = &rspiocb->iocb;
122 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
123
124 /* For lpfc_els_abort, context2 could be zero'ed to delay
125 * freeing associated memory till after ABTS completes.
126 */
127 if (pcmd) {
128 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf,
129 list);
130 if (prsp) {
131 lp = (uint32_t *) prsp->virt;
132 ptr = (void *)((uint8_t *)lp + sizeof(uint32_t));
133 }
134 }
135 else {
136 /* Force ulpStatus error since we are returning NULL ptr */
137 if (!(irsp->ulpStatus)) {
138 irsp->ulpStatus = IOSTAT_LOCAL_REJECT;
139 irsp->un.ulpWord[4] = IOERR_SLI_ABORTED;
140 }
141 ptr = NULL;
142 }
143 return (ptr);
144}
145
146
147/*
148 * Free resources / clean up outstanding I/Os
149 * associated with a LPFC_NODELIST entry. This
150 * routine effectively results in a "software abort".
151 */
152int
153lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
154 int send_abts)
155{
156 struct lpfc_sli *psli;
157 struct lpfc_sli_ring *pring;
158 struct lpfc_iocbq *iocb, *next_iocb;
159 IOCB_t *icmd;
160 int found = 0;
161
162 /* Abort outstanding I/O on NPort <nlp_DID> */
163 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
164 "%d:0201 Abort outstanding I/O on NPort x%x "
165 "Data: x%x x%x x%x\n",
166 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
167 ndlp->nlp_state, ndlp->nlp_rpi);
168
169 psli = &phba->sli;
170 pring = &psli->ring[LPFC_ELS_RING];
171
172 /* First check the txq */
173 do {
174 found = 0;
175 spin_lock_irq(phba->host->host_lock);
176 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
177 /* Check to see if iocb matches the nport we are looking
178 for */
179 if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) {
180 found = 1;
181 /* It matches, so deque and call compl with an
182 error */
183 list_del(&iocb->list);
184 pring->txq_cnt--;
185 if (iocb->iocb_cmpl) {
186 icmd = &iocb->iocb;
187 icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
188 icmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
189 spin_unlock_irq(phba->host->host_lock);
190 (iocb->iocb_cmpl) (phba, iocb, iocb);
191 spin_lock_irq(phba->host->host_lock);
192 } else {
193 list_add_tail(&iocb->list,
194 &phba->lpfc_iocb_list);
195 }
196 break;
197 }
198 }
199 spin_unlock_irq(phba->host->host_lock);
200 } while (found);
201
202 /* Everything on txcmplq will be returned by firmware
203 * with a no rpi / linkdown / abort error. For ring 0,
204 * ELS discovery, we want to get rid of it right here.
205 */
206 /* Next check the txcmplq */
207 do {
208 found = 0;
209 spin_lock_irq(phba->host->host_lock);
210 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq,
211 list) {
212 /* Check to see if iocb matches the nport we are looking
213 for */
214 if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) {
215 found = 1;
216 /* It matches, so deque and call compl with an
217 error */
218 list_del(&iocb->list);
219 pring->txcmplq_cnt--;
220
221 icmd = &iocb->iocb;
222 /* If the driver is completing an ELS
223 * command early, flush it out of the firmware.
224 */
225 if (send_abts &&
226 (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) &&
227 (icmd->un.elsreq64.bdl.ulpIoTag32)) {
228 lpfc_sli_issue_abort_iotag32(phba,
229 pring, iocb);
230 }
231 if (iocb->iocb_cmpl) {
232 icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
233 icmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
234 spin_unlock_irq(phba->host->host_lock);
235 (iocb->iocb_cmpl) (phba, iocb, iocb);
236 spin_lock_irq(phba->host->host_lock);
237 } else {
238 list_add_tail(&iocb->list,
239 &phba->lpfc_iocb_list);
240 }
241 break;
242 }
243 }
244 spin_unlock_irq(phba->host->host_lock);
245 } while(found);
246
247 /* If we are delaying issuing an ELS command, cancel it */
248 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
249 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
250 del_timer_sync(&ndlp->nlp_delayfunc);
251 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
252 list_del_init(&ndlp->els_retry_evt.evt_listp);
253 }
254 return (0);
255}
256
257static int
258lpfc_rcv_plogi(struct lpfc_hba * phba,
259 struct lpfc_nodelist * ndlp,
260 struct lpfc_iocbq *cmdiocb)
261{
262 struct lpfc_dmabuf *pcmd;
263 uint32_t *lp;
264 IOCB_t *icmd;
265 struct serv_parm *sp;
266 LPFC_MBOXQ_t *mbox;
267 struct ls_rjt stat;
268 int rc;
269
270 memset(&stat, 0, sizeof (struct ls_rjt));
271 if (phba->hba_state <= LPFC_FLOGI) {
272 /* Before responding to PLOGI, check for pt2pt mode.
273 * If we are pt2pt, with an outstanding FLOGI, abort
274 * the FLOGI and resend it first.
275 */
276 if (phba->fc_flag & FC_PT2PT) {
277 lpfc_els_abort_flogi(phba);
278 if (!(phba->fc_flag & FC_PT2PT_PLOGI)) {
279 /* If the other side is supposed to initiate
280 * the PLOGI anyway, just ACC it now and
281 * move on with discovery.
282 */
283 phba->fc_edtov = FF_DEF_EDTOV;
284 phba->fc_ratov = FF_DEF_RATOV;
285 /* Start discovery - this should just do
286 CLEAR_LA */
287 lpfc_disc_start(phba);
288 }
289 else {
290 lpfc_initial_flogi(phba);
291 }
292 }
293 else {
294 stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY;
295 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
296 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb,
297 ndlp);
298 return 0;
299 }
300 }
301 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
302 lp = (uint32_t *) pcmd->virt;
303 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
304 if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3) == 0)) {
305 /* Reject this request because invalid parameters */
306 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
307 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
308 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
309 return (0);
310 }
311 icmd = &cmdiocb->iocb;
312
313 /* PLOGI chkparm OK */
314 lpfc_printf_log(phba,
315 KERN_INFO,
316 LOG_ELS,
317 "%d:0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n",
318 phba->brd_no,
319 ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag,
320 ndlp->nlp_rpi);
321
322 if ((phba->cfg_fcp_class == 2) &&
323 (sp->cls2.classValid)) {
324 ndlp->nlp_fcp_info |= CLASS2;
325 } else {
326 ndlp->nlp_fcp_info |= CLASS3;
327 }
328 ndlp->nlp_class_sup = 0;
329 if (sp->cls1.classValid)
330 ndlp->nlp_class_sup |= FC_COS_CLASS1;
331 if (sp->cls2.classValid)
332 ndlp->nlp_class_sup |= FC_COS_CLASS2;
333 if (sp->cls3.classValid)
334 ndlp->nlp_class_sup |= FC_COS_CLASS3;
335 if (sp->cls4.classValid)
336 ndlp->nlp_class_sup |= FC_COS_CLASS4;
337 ndlp->nlp_maxframe =
338 ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb;
339
340 /* no need to reg_login if we are already in one of these states */
341 switch(ndlp->nlp_state) {
342 case NLP_STE_NPR_NODE:
343 if (!(ndlp->nlp_flag & NLP_NPR_ADISC))
344 break;
345 case NLP_STE_REG_LOGIN_ISSUE:
346 case NLP_STE_PRLI_ISSUE:
347 case NLP_STE_UNMAPPED_NODE:
348 case NLP_STE_MAPPED_NODE:
349 lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0);
350 return (1);
351 }
352
353 if ((phba->fc_flag & FC_PT2PT)
354 && !(phba->fc_flag & FC_PT2PT_PLOGI)) {
355 /* rcv'ed PLOGI decides what our NPortId will be */
356 phba->fc_myDID = icmd->un.rcvels.parmRo;
357 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
358 if (mbox == NULL)
359 goto out;
360 lpfc_config_link(phba, mbox);
361 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
362 rc = lpfc_sli_issue_mbox
363 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
364 if (rc == MBX_NOT_FINISHED) {
365 mempool_free( mbox, phba->mbox_mem_pool);
366 goto out;
367 }
368
369 lpfc_can_disctmo(phba);
370 }
371 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
372 if (mbox == NULL)
373 goto out;
374
375 if (lpfc_reg_login(phba, icmd->un.rcvels.remoteID,
376 (uint8_t *) sp, mbox, 0)) {
377 mempool_free( mbox, phba->mbox_mem_pool);
378 goto out;
379 }
380
381 /* ACC PLOGI rsp command needs to execute first,
382 * queue this mbox command to be processed later.
383 */
384 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
385 mbox->context2 = ndlp;
386 ndlp->nlp_flag |= NLP_ACC_REGLOGIN;
387
388 /* If there is an outstanding PLOGI issued, abort it before
389 * sending ACC rsp to PLOGI recieved.
390 */
391 if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) {
392 /* software abort outstanding PLOGI */
393 lpfc_els_abort(phba, ndlp, 1);
394 }
395 ndlp->nlp_flag |= NLP_RCV_PLOGI;
396 lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0);
397 return (1);
398
399out:
400 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
401 stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE;
402 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
403 return (0);
404}
405
406static int
407lpfc_rcv_padisc(struct lpfc_hba * phba,
408 struct lpfc_nodelist * ndlp,
409 struct lpfc_iocbq *cmdiocb)
410{
411 struct lpfc_dmabuf *pcmd;
412 struct serv_parm *sp;
413 struct lpfc_name *pnn, *ppn;
414 struct ls_rjt stat;
415 ADISC *ap;
416 IOCB_t *icmd;
417 uint32_t *lp;
418 uint32_t cmd;
419
420 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
421 lp = (uint32_t *) pcmd->virt;
422
423 cmd = *lp++;
424 if (cmd == ELS_CMD_ADISC) {
425 ap = (ADISC *) lp;
426 pnn = (struct lpfc_name *) & ap->nodeName;
427 ppn = (struct lpfc_name *) & ap->portName;
428 } else {
429 sp = (struct serv_parm *) lp;
430 pnn = (struct lpfc_name *) & sp->nodeName;
431 ppn = (struct lpfc_name *) & sp->portName;
432 }
433
434 icmd = &cmdiocb->iocb;
435 if ((icmd->ulpStatus == 0) &&
436 (lpfc_check_adisc(phba, ndlp, pnn, ppn))) {
437 if (cmd == ELS_CMD_ADISC) {
438 lpfc_els_rsp_adisc_acc(phba, cmdiocb, ndlp);
439 }
440 else {
441 lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp,
442 NULL, 0);
443 }
444 return (1);
445 }
446 /* Reject this request because invalid parameters */
447 stat.un.b.lsRjtRsvd0 = 0;
448 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
449 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
450 stat.un.b.vendorUnique = 0;
451 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
452
453 ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI;
454 /* 1 sec timeout */
455 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
456
457 spin_lock_irq(phba->host->host_lock);
458 ndlp->nlp_flag |= NLP_DELAY_TMO;
459 spin_unlock_irq(phba->host->host_lock);
460 ndlp->nlp_state = NLP_STE_NPR_NODE;
461 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
462 return (0);
463}
464
465static int
466lpfc_rcv_logo(struct lpfc_hba * phba,
467 struct lpfc_nodelist * ndlp,
468 struct lpfc_iocbq *cmdiocb)
469{
470 /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */
471 /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
472 * PLOGIs during LOGO storms from a device.
473 */
474 ndlp->nlp_flag |= NLP_LOGO_ACC;
475 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
476
477 if (!(ndlp->nlp_type & NLP_FABRIC)) {
478 /* Only try to re-login if this is NOT a Fabric Node */
479 ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI;
480 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
481 spin_lock_irq(phba->host->host_lock);
482 ndlp->nlp_flag |= NLP_DELAY_TMO;
483 spin_unlock_irq(phba->host->host_lock);
484 }
485
486 ndlp->nlp_state = NLP_STE_NPR_NODE;
487 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
488
489 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
490 /* The driver has to wait until the ACC completes before it continues
491 * processing the LOGO. The action will resume in
492 * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an
493 * unreg_login, the driver waits so the ACC does not get aborted.
494 */
495 return (0);
496}
497
498static void
499lpfc_rcv_prli(struct lpfc_hba * phba,
500 struct lpfc_nodelist * ndlp,
501 struct lpfc_iocbq *cmdiocb)
502{
503 struct lpfc_dmabuf *pcmd;
504 uint32_t *lp;
505 PRLI *npr;
506 struct fc_rport *rport = ndlp->rport;
507 u32 roles;
508
509 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
510 lp = (uint32_t *) pcmd->virt;
511 npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t));
512
513 ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
514 ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
515 if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
516 (npr->prliType == PRLI_FCP_TYPE)) {
517 if (npr->initiatorFunc)
518 ndlp->nlp_type |= NLP_FCP_INITIATOR;
519 if (npr->targetFunc)
520 ndlp->nlp_type |= NLP_FCP_TARGET;
521 if (npr->Retry)
522 ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
523 }
524 if (rport) {
525 /* We need to update the rport role values */
526 roles = FC_RPORT_ROLE_UNKNOWN;
527 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
528 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
529 if (ndlp->nlp_type & NLP_FCP_TARGET)
530 roles |= FC_RPORT_ROLE_FCP_TARGET;
531 fc_remote_port_rolechg(rport, roles);
532 }
533}
534
535static uint32_t
536lpfc_disc_set_adisc(struct lpfc_hba * phba,
537 struct lpfc_nodelist * ndlp)
538{
539 /* Check config parameter use-adisc or FCP-2 */
540 if ((phba->cfg_use_adisc == 0) &&
541 !(phba->fc_flag & FC_RSCN_MODE)) {
542 if (!(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE))
543 return (0);
544 }
545 spin_lock_irq(phba->host->host_lock);
546 ndlp->nlp_flag |= NLP_NPR_ADISC;
547 spin_unlock_irq(phba->host->host_lock);
548 return (1);
549}
550
551static uint32_t
552lpfc_disc_noop(struct lpfc_hba * phba,
553 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
554{
555 /* This routine does nothing, just return the current state */
556 return (ndlp->nlp_state);
557}
558
559static uint32_t
560lpfc_disc_illegal(struct lpfc_hba * phba,
561 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
562{
563 lpfc_printf_log(phba,
564 KERN_ERR,
565 LOG_DISCOVERY,
566 "%d:0253 Illegal State Transition: node x%x event x%x, "
567 "state x%x Data: x%x x%x\n",
568 phba->brd_no,
569 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
570 ndlp->nlp_flag);
571 return (ndlp->nlp_state);
572}
573
574/* Start of Discovery State Machine routines */
575
576static uint32_t
577lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba,
578 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
579{
580 struct lpfc_iocbq *cmdiocb;
581
582 cmdiocb = (struct lpfc_iocbq *) arg;
583
584 if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) {
585 ndlp->nlp_state = NLP_STE_UNUSED_NODE;
586 lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST);
587 return (ndlp->nlp_state);
588 }
589 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
590 return (NLP_STE_FREED_NODE);
591}
592
593static uint32_t
594lpfc_rcv_els_unused_node(struct lpfc_hba * phba,
595 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
596{
597 lpfc_issue_els_logo(phba, ndlp, 0);
598 lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST);
599 return (ndlp->nlp_state);
600}
601
602static uint32_t
603lpfc_rcv_logo_unused_node(struct lpfc_hba * phba,
604 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
605{
606 struct lpfc_iocbq *cmdiocb;
607
608 cmdiocb = (struct lpfc_iocbq *) arg;
609
610 spin_lock_irq(phba->host->host_lock);
611 ndlp->nlp_flag |= NLP_LOGO_ACC;
612 spin_unlock_irq(phba->host->host_lock);
613 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
614 lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST);
615
616 return (ndlp->nlp_state);
617}
618
619static uint32_t
620lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba,
621 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
622{
623 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
624 return (NLP_STE_FREED_NODE);
625}
626
627static uint32_t
628lpfc_device_rm_unused_node(struct lpfc_hba * phba,
629 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
630{
631 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
632 return (NLP_STE_FREED_NODE);
633}
634
635static uint32_t
636lpfc_rcv_plogi_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
637 void *arg, uint32_t evt)
638{
639 struct lpfc_iocbq *cmdiocb = arg;
640 struct lpfc_dmabuf *pcmd;
641 struct serv_parm *sp;
642 uint32_t *lp;
643 struct ls_rjt stat;
644 int port_cmp;
645
646 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
647 lp = (uint32_t *) pcmd->virt;
648 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
649
650 memset(&stat, 0, sizeof (struct ls_rjt));
651
652 /* For a PLOGI, we only accept if our portname is less
653 * than the remote portname.
654 */
655 phba->fc_stat.elsLogiCol++;
656 port_cmp = memcmp(&phba->fc_portname, &sp->portName,
657 sizeof (struct lpfc_name));
658
659 if (port_cmp >= 0) {
660 /* Reject this request because the remote node will accept
661 ours */
662 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
663 stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS;
664 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
665 }
666 else {
667 lpfc_rcv_plogi(phba, ndlp, cmdiocb);
668 } /* if our portname was less */
669
670 return (ndlp->nlp_state);
671}
672
673static uint32_t
674lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba,
675 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
676{
677 struct lpfc_iocbq *cmdiocb;
678
679 cmdiocb = (struct lpfc_iocbq *) arg;
680
681 /* software abort outstanding PLOGI */
682 lpfc_els_abort(phba, ndlp, 1);
683 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
684 spin_lock_irq(phba->host->host_lock);
685 ndlp->nlp_flag |= NLP_DELAY_TMO;
686 spin_unlock_irq(phba->host->host_lock);
687
688 if (evt == NLP_EVT_RCV_LOGO) {
689 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
690 }
691 else {
692 lpfc_issue_els_logo(phba, ndlp, 0);
693 }
694
695 /* Put ndlp in npr list set plogi timer for 1 sec */
696 ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI;
697 ndlp->nlp_state = NLP_STE_NPR_NODE;
698 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
699
700 return (ndlp->nlp_state);
701}
702
703static uint32_t
704lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
705 struct lpfc_nodelist * ndlp, void *arg,
706 uint32_t evt)
707{
708 struct lpfc_iocbq *cmdiocb, *rspiocb;
709 struct lpfc_dmabuf *pcmd, *prsp;
710 uint32_t *lp;
711 IOCB_t *irsp;
712 struct serv_parm *sp;
713 LPFC_MBOXQ_t *mbox;
714
715 cmdiocb = (struct lpfc_iocbq *) arg;
716 rspiocb = cmdiocb->context_un.rsp_iocb;
717
718 if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
719 return (ndlp->nlp_state);
720 }
721
722 irsp = &rspiocb->iocb;
723
724 if (irsp->ulpStatus)
725 goto out;
726
727 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
728
729 prsp = list_get_first(&pcmd->list,
730 struct lpfc_dmabuf,
731 list);
732 lp = (uint32_t *) prsp->virt;
733
734 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
735 if (!lpfc_check_sparm(phba, ndlp, sp, CLASS3))
736 goto out;
737
738 /* PLOGI chkparm OK */
739 lpfc_printf_log(phba,
740 KERN_INFO,
741 LOG_ELS,
742 "%d:0121 PLOGI chkparm OK "
743 "Data: x%x x%x x%x x%x\n",
744 phba->brd_no,
745 ndlp->nlp_DID, ndlp->nlp_state,
746 ndlp->nlp_flag, ndlp->nlp_rpi);
747
748 if ((phba->cfg_fcp_class == 2) &&
749 (sp->cls2.classValid)) {
750 ndlp->nlp_fcp_info |= CLASS2;
751 } else {
752 ndlp->nlp_fcp_info |= CLASS3;
753 }
754 ndlp->nlp_class_sup = 0;
755 if (sp->cls1.classValid)
756 ndlp->nlp_class_sup |= FC_COS_CLASS1;
757 if (sp->cls2.classValid)
758 ndlp->nlp_class_sup |= FC_COS_CLASS2;
759 if (sp->cls3.classValid)
760 ndlp->nlp_class_sup |= FC_COS_CLASS3;
761 if (sp->cls4.classValid)
762 ndlp->nlp_class_sup |= FC_COS_CLASS4;
763 ndlp->nlp_maxframe =
764 ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
765 sp->cmn.bbRcvSizeLsb;
766
767 if (!(mbox = mempool_alloc(phba->mbox_mem_pool,
768 GFP_KERNEL)))
769 goto out;
770
771 lpfc_unreg_rpi(phba, ndlp);
772 if (lpfc_reg_login
773 (phba, irsp->un.elsreq64.remoteID,
774 (uint8_t *) sp, mbox, 0) == 0) {
775 /* set_slim mailbox command needs to
776 * execute first, queue this command to
777 * be processed later.
778 */
779 switch(ndlp->nlp_DID) {
780 case NameServer_DID:
781 mbox->mbox_cmpl =
782 lpfc_mbx_cmpl_ns_reg_login;
783 break;
784 case FDMI_DID:
785 mbox->mbox_cmpl =
786 lpfc_mbx_cmpl_fdmi_reg_login;
787 break;
788 default:
789 mbox->mbox_cmpl =
790 lpfc_mbx_cmpl_reg_login;
791 }
792 mbox->context2 = ndlp;
793 if (lpfc_sli_issue_mbox(phba, mbox,
794 (MBX_NOWAIT | MBX_STOP_IOCB))
795 != MBX_NOT_FINISHED) {
796 ndlp->nlp_state =
797 NLP_STE_REG_LOGIN_ISSUE;
798 lpfc_nlp_list(phba, ndlp,
799 NLP_REGLOGIN_LIST);
800 return (ndlp->nlp_state);
801 }
802 mempool_free(mbox, phba->mbox_mem_pool);
803 } else {
804 mempool_free(mbox, phba->mbox_mem_pool);
805 }
806
807
808 out:
809 /* Free this node since the driver cannot login or has the wrong
810 sparm */
811 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
812 return (NLP_STE_FREED_NODE);
813}
814
815static uint32_t
816lpfc_device_rm_plogi_issue(struct lpfc_hba * phba,
817 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
818{
819 /* software abort outstanding PLOGI */
820 lpfc_els_abort(phba, ndlp, 1);
821
822 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
823 return (NLP_STE_FREED_NODE);
824}
825
826static uint32_t
827lpfc_device_recov_plogi_issue(struct lpfc_hba * phba,
828 struct lpfc_nodelist * ndlp, void *arg,
829 uint32_t evt)
830{
831 /* software abort outstanding PLOGI */
832 lpfc_els_abort(phba, ndlp, 1);
833
834 ndlp->nlp_state = NLP_STE_NPR_NODE;
835 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
836 spin_lock_irq(phba->host->host_lock);
837 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
838 spin_unlock_irq(phba->host->host_lock);
839
840 return (ndlp->nlp_state);
841}
842
843static uint32_t
844lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba,
845 struct lpfc_nodelist * ndlp, void *arg,
846 uint32_t evt)
847{
848 struct lpfc_iocbq *cmdiocb;
849
850 /* software abort outstanding ADISC */
851 lpfc_els_abort(phba, ndlp, 1);
852
853 cmdiocb = (struct lpfc_iocbq *) arg;
854
855 if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) {
856 return (ndlp->nlp_state);
857 }
858 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
859 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
860 lpfc_issue_els_plogi(phba, ndlp, 0);
861
862 return (ndlp->nlp_state);
863}
864
865static uint32_t
866lpfc_rcv_prli_adisc_issue(struct lpfc_hba * phba,
867 struct lpfc_nodelist * ndlp, void *arg,
868 uint32_t evt)
869{
870 struct lpfc_iocbq *cmdiocb;
871
872 cmdiocb = (struct lpfc_iocbq *) arg;
873
874 lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp);
875 return (ndlp->nlp_state);
876}
877
878static uint32_t
879lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba,
880 struct lpfc_nodelist * ndlp, void *arg,
881 uint32_t evt)
882{
883 struct lpfc_iocbq *cmdiocb;
884
885 cmdiocb = (struct lpfc_iocbq *) arg;
886
887 /* software abort outstanding ADISC */
888 lpfc_els_abort(phba, ndlp, 0);
889
890 lpfc_rcv_logo(phba, ndlp, cmdiocb);
891 return (ndlp->nlp_state);
892}
893
894static uint32_t
895lpfc_rcv_padisc_adisc_issue(struct lpfc_hba * phba,
896 struct lpfc_nodelist * ndlp, void *arg,
897 uint32_t evt)
898{
899 struct lpfc_iocbq *cmdiocb;
900
901 cmdiocb = (struct lpfc_iocbq *) arg;
902
903 lpfc_rcv_padisc(phba, ndlp, cmdiocb);
904 return (ndlp->nlp_state);
905}
906
907static uint32_t
908lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba,
909 struct lpfc_nodelist * ndlp, void *arg,
910 uint32_t evt)
911{
912 struct lpfc_iocbq *cmdiocb;
913
914 cmdiocb = (struct lpfc_iocbq *) arg;
915
916 /* Treat like rcv logo */
917 lpfc_rcv_logo(phba, ndlp, cmdiocb);
918 return (ndlp->nlp_state);
919}
920
921static uint32_t
922lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba,
923 struct lpfc_nodelist * ndlp, void *arg,
924 uint32_t evt)
925{
926 struct lpfc_iocbq *cmdiocb, *rspiocb;
927 IOCB_t *irsp;
928 ADISC *ap;
929
930 cmdiocb = (struct lpfc_iocbq *) arg;
931 rspiocb = cmdiocb->context_un.rsp_iocb;
932
933 ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
934 irsp = &rspiocb->iocb;
935
936 if ((irsp->ulpStatus) ||
937 (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) {
938 ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI;
939 /* 1 sec timeout */
940 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
941 spin_lock_irq(phba->host->host_lock);
942 ndlp->nlp_flag |= NLP_DELAY_TMO;
943 spin_unlock_irq(phba->host->host_lock);
944
945 memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name));
946 memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name));
947
948 ndlp->nlp_state = NLP_STE_NPR_NODE;
949 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
950 lpfc_unreg_rpi(phba, ndlp);
951 return (ndlp->nlp_state);
952 }
953 ndlp->nlp_state = NLP_STE_MAPPED_NODE;
954 lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST);
955 return (ndlp->nlp_state);
956}
957
958static uint32_t
959lpfc_device_rm_adisc_issue(struct lpfc_hba * phba,
960 struct lpfc_nodelist * ndlp, void *arg,
961 uint32_t evt)
962{
963 /* software abort outstanding ADISC */
964 lpfc_els_abort(phba, ndlp, 1);
965
966 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
967 return (NLP_STE_FREED_NODE);
968}
969
970static uint32_t
971lpfc_device_recov_adisc_issue(struct lpfc_hba * phba,
972 struct lpfc_nodelist * ndlp, void *arg,
973 uint32_t evt)
974{
975 /* software abort outstanding ADISC */
976 lpfc_els_abort(phba, ndlp, 1);
977
978 ndlp->nlp_state = NLP_STE_NPR_NODE;
979 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
980 spin_lock_irq(phba->host->host_lock);
981 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
982 spin_unlock_irq(phba->host->host_lock);
983
984 lpfc_disc_set_adisc(phba, ndlp);
985 return (ndlp->nlp_state);
986}
987
988static uint32_t
989lpfc_rcv_plogi_reglogin_issue(struct lpfc_hba * phba,
990 struct lpfc_nodelist * ndlp, void *arg,
991 uint32_t evt)
992{
993 struct lpfc_iocbq *cmdiocb;
994
995 cmdiocb = (struct lpfc_iocbq *) arg;
996
997 lpfc_rcv_plogi(phba, ndlp, cmdiocb);
998 return (ndlp->nlp_state);
999}
1000
1001static uint32_t
1002lpfc_rcv_prli_reglogin_issue(struct lpfc_hba * phba,
1003 struct lpfc_nodelist * ndlp, void *arg,
1004 uint32_t evt)
1005{
1006 struct lpfc_iocbq *cmdiocb;
1007
1008 cmdiocb = (struct lpfc_iocbq *) arg;
1009
1010 lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp);
1011 return (ndlp->nlp_state);
1012}
1013
1014static uint32_t
1015lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba,
1016 struct lpfc_nodelist * ndlp, void *arg,
1017 uint32_t evt)
1018{
1019 struct lpfc_iocbq *cmdiocb;
1020
1021 cmdiocb = (struct lpfc_iocbq *) arg;
1022
1023 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1024 return (ndlp->nlp_state);
1025}
1026
1027static uint32_t
1028lpfc_rcv_padisc_reglogin_issue(struct lpfc_hba * phba,
1029 struct lpfc_nodelist * ndlp, void *arg,
1030 uint32_t evt)
1031{
1032 struct lpfc_iocbq *cmdiocb;
1033
1034 cmdiocb = (struct lpfc_iocbq *) arg;
1035
1036 lpfc_rcv_padisc(phba, ndlp, cmdiocb);
1037 return (ndlp->nlp_state);
1038}
1039
1040static uint32_t
1041lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba,
1042 struct lpfc_nodelist * ndlp, void *arg,
1043 uint32_t evt)
1044{
1045 struct lpfc_iocbq *cmdiocb;
1046
1047 cmdiocb = (struct lpfc_iocbq *) arg;
1048 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
1049 return (ndlp->nlp_state);
1050}
1051
1052static uint32_t
1053lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba,
1054 struct lpfc_nodelist * ndlp,
1055 void *arg, uint32_t evt)
1056{
1057 LPFC_MBOXQ_t *pmb;
1058 MAILBOX_t *mb;
1059 uint32_t did;
1060
1061 pmb = (LPFC_MBOXQ_t *) arg;
1062 mb = &pmb->mb;
1063 did = mb->un.varWords[1];
1064 if (mb->mbxStatus) {
1065 /* RegLogin failed */
1066 lpfc_printf_log(phba,
1067 KERN_ERR,
1068 LOG_DISCOVERY,
1069 "%d:0246 RegLogin failed Data: x%x x%x x%x\n",
1070 phba->brd_no,
1071 did, mb->mbxStatus, phba->hba_state);
1072
1073 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
1074 spin_lock_irq(phba->host->host_lock);
1075 ndlp->nlp_flag |= NLP_DELAY_TMO;
1076 spin_unlock_irq(phba->host->host_lock);
1077
1078 lpfc_issue_els_logo(phba, ndlp, 0);
1079 /* Put ndlp in npr list set plogi timer for 1 sec */
1080 ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI;
1081 ndlp->nlp_state = NLP_STE_NPR_NODE;
1082 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1083 return (ndlp->nlp_state);
1084 }
1085
1086 if (ndlp->nlp_rpi != 0)
1087 lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
1088
1089 ndlp->nlp_rpi = mb->un.varWords[0];
1090 lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
1091
1092 /* Only if we are not a fabric nport do we issue PRLI */
1093 if (!(ndlp->nlp_type & NLP_FABRIC)) {
1094 ndlp->nlp_state = NLP_STE_PRLI_ISSUE;
1095 lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST);
1096 lpfc_issue_els_prli(phba, ndlp, 0);
1097 } else {
1098 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1099 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
1100 }
1101 return (ndlp->nlp_state);
1102}
1103
1104static uint32_t
1105lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba,
1106 struct lpfc_nodelist * ndlp, void *arg,
1107 uint32_t evt)
1108{
1109 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1110 return (NLP_STE_FREED_NODE);
1111}
1112
1113static uint32_t
1114lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba,
1115 struct lpfc_nodelist * ndlp, void *arg,
1116 uint32_t evt)
1117{
1118 ndlp->nlp_state = NLP_STE_NPR_NODE;
1119 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1120 spin_lock_irq(phba->host->host_lock);
1121 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1122 spin_unlock_irq(phba->host->host_lock);
1123 return (ndlp->nlp_state);
1124}
1125
1126static uint32_t
1127lpfc_rcv_plogi_prli_issue(struct lpfc_hba * phba,
1128 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1129{
1130 struct lpfc_iocbq *cmdiocb;
1131
1132 cmdiocb = (struct lpfc_iocbq *) arg;
1133
1134 lpfc_rcv_plogi(phba, ndlp, cmdiocb);
1135 return (ndlp->nlp_state);
1136}
1137
1138static uint32_t
1139lpfc_rcv_prli_prli_issue(struct lpfc_hba * phba,
1140 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1141{
1142 struct lpfc_iocbq *cmdiocb;
1143
1144 cmdiocb = (struct lpfc_iocbq *) arg;
1145
1146 lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp);
1147 return (ndlp->nlp_state);
1148}
1149
1150static uint32_t
1151lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba,
1152 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1153{
1154 struct lpfc_iocbq *cmdiocb;
1155
1156 cmdiocb = (struct lpfc_iocbq *) arg;
1157
1158 /* Software abort outstanding PRLI before sending acc */
1159 lpfc_els_abort(phba, ndlp, 1);
1160
1161 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1162 return (ndlp->nlp_state);
1163}
1164
1165static uint32_t
1166lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba,
1167 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1168{
1169 struct lpfc_iocbq *cmdiocb;
1170
1171 cmdiocb = (struct lpfc_iocbq *) arg;
1172
1173 lpfc_rcv_padisc(phba, ndlp, cmdiocb);
1174 return (ndlp->nlp_state);
1175}
1176
1177/* This routine is envoked when we rcv a PRLO request from a nport
1178 * we are logged into. We should send back a PRLO rsp setting the
1179 * appropriate bits.
1180 * NEXT STATE = PRLI_ISSUE
1181 */
1182static uint32_t
1183lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba,
1184 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1185{
1186 struct lpfc_iocbq *cmdiocb;
1187
1188 cmdiocb = (struct lpfc_iocbq *) arg;
1189 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
1190 return (ndlp->nlp_state);
1191}
1192
1193static uint32_t
1194lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba,
1195 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1196{
1197 struct lpfc_iocbq *cmdiocb, *rspiocb;
1198 IOCB_t *irsp;
1199 PRLI *npr;
1200
1201 cmdiocb = (struct lpfc_iocbq *) arg;
1202 rspiocb = cmdiocb->context_un.rsp_iocb;
1203 npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
1204
1205 irsp = &rspiocb->iocb;
1206 if (irsp->ulpStatus) {
1207 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1208 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
1209 return (ndlp->nlp_state);
1210 }
1211
1212 /* Check out PRLI rsp */
1213 ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
1214 ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
1215 if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
1216 (npr->prliType == PRLI_FCP_TYPE)) {
1217 if (npr->initiatorFunc)
1218 ndlp->nlp_type |= NLP_FCP_INITIATOR;
1219 if (npr->targetFunc)
1220 ndlp->nlp_type |= NLP_FCP_TARGET;
1221 if (npr->Retry)
1222 ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
1223 }
1224
1225 ndlp->nlp_state = NLP_STE_MAPPED_NODE;
1226 lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST);
1227 return (ndlp->nlp_state);
1228}
1229
1230/*! lpfc_device_rm_prli_issue
1231 *
1232 * \pre
1233 * \post
1234 * \param phba
1235 * \param ndlp
1236 * \param arg
1237 * \param evt
1238 * \return uint32_t
1239 *
1240 * \b Description:
1241 * This routine is envoked when we a request to remove a nport we are in the
1242 * process of PRLIing. We should software abort outstanding prli, unreg
1243 * login, send a logout. We will change node state to UNUSED_NODE, put it
1244 * on plogi list so it can be freed when LOGO completes.
1245 *
1246 */
1247static uint32_t
1248lpfc_device_rm_prli_issue(struct lpfc_hba * phba,
1249 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1250{
1251 /* software abort outstanding PRLI */
1252 lpfc_els_abort(phba, ndlp, 1);
1253
1254 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1255 return (NLP_STE_FREED_NODE);
1256}
1257
1258
1259/*! lpfc_device_recov_prli_issue
1260 *
1261 * \pre
1262 * \post
1263 * \param phba
1264 * \param ndlp
1265 * \param arg
1266 * \param evt
1267 * \return uint32_t
1268 *
1269 * \b Description:
1270 * The routine is envoked when the state of a device is unknown, like
1271 * during a link down. We should remove the nodelist entry from the
1272 * unmapped list, issue a UNREG_LOGIN, do a software abort of the
1273 * outstanding PRLI command, then free the node entry.
1274 */
1275static uint32_t
1276lpfc_device_recov_prli_issue(struct lpfc_hba * phba,
1277 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1278{
1279 /* software abort outstanding PRLI */
1280 lpfc_els_abort(phba, ndlp, 1);
1281
1282 ndlp->nlp_state = NLP_STE_NPR_NODE;
1283 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1284 spin_lock_irq(phba->host->host_lock);
1285 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1286 spin_unlock_irq(phba->host->host_lock);
1287 return (ndlp->nlp_state);
1288}
1289
1290static uint32_t
1291lpfc_rcv_plogi_unmap_node(struct lpfc_hba * phba,
1292 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1293{
1294 struct lpfc_iocbq *cmdiocb;
1295
1296 cmdiocb = (struct lpfc_iocbq *) arg;
1297
1298 lpfc_rcv_plogi(phba, ndlp, cmdiocb);
1299 return (ndlp->nlp_state);
1300}
1301
1302static uint32_t
1303lpfc_rcv_prli_unmap_node(struct lpfc_hba * phba,
1304 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1305{
1306 struct lpfc_iocbq *cmdiocb;
1307
1308 cmdiocb = (struct lpfc_iocbq *) arg;
1309
1310 lpfc_rcv_prli(phba, ndlp, cmdiocb);
1311 lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp);
1312 return (ndlp->nlp_state);
1313}
1314
1315static uint32_t
1316lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba,
1317 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1318{
1319 struct lpfc_iocbq *cmdiocb;
1320
1321 cmdiocb = (struct lpfc_iocbq *) arg;
1322
1323 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1324 return (ndlp->nlp_state);
1325}
1326
1327static uint32_t
1328lpfc_rcv_padisc_unmap_node(struct lpfc_hba * phba,
1329 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1330{
1331 struct lpfc_iocbq *cmdiocb;
1332
1333 cmdiocb = (struct lpfc_iocbq *) arg;
1334
1335 lpfc_rcv_padisc(phba, ndlp, cmdiocb);
1336 return (ndlp->nlp_state);
1337}
1338
1339static uint32_t
1340lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba,
1341 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1342{
1343 struct lpfc_iocbq *cmdiocb;
1344
1345 cmdiocb = (struct lpfc_iocbq *) arg;
1346
1347 /* Treat like rcv logo */
1348 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1349 return (ndlp->nlp_state);
1350}
1351
1352static uint32_t
1353lpfc_device_recov_unmap_node(struct lpfc_hba * phba,
1354 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1355{
1356 ndlp->nlp_state = NLP_STE_NPR_NODE;
1357 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1358 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1359 lpfc_disc_set_adisc(phba, ndlp);
1360
1361 return (ndlp->nlp_state);
1362}
1363
1364static uint32_t
1365lpfc_rcv_plogi_mapped_node(struct lpfc_hba * phba,
1366 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1367{
1368 struct lpfc_iocbq *cmdiocb;
1369
1370 cmdiocb = (struct lpfc_iocbq *) arg;
1371
1372 lpfc_rcv_plogi(phba, ndlp, cmdiocb);
1373 return (ndlp->nlp_state);
1374}
1375
1376static uint32_t
1377lpfc_rcv_prli_mapped_node(struct lpfc_hba * phba,
1378 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1379{
1380 struct lpfc_iocbq *cmdiocb;
1381
1382 cmdiocb = (struct lpfc_iocbq *) arg;
1383
1384 lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp);
1385 return (ndlp->nlp_state);
1386}
1387
1388static uint32_t
1389lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba,
1390 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1391{
1392 struct lpfc_iocbq *cmdiocb;
1393
1394 cmdiocb = (struct lpfc_iocbq *) arg;
1395
1396 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1397 return (ndlp->nlp_state);
1398}
1399
1400static uint32_t
1401lpfc_rcv_padisc_mapped_node(struct lpfc_hba * phba,
1402 struct lpfc_nodelist * ndlp, void *arg,
1403 uint32_t evt)
1404{
1405 struct lpfc_iocbq *cmdiocb;
1406
1407 cmdiocb = (struct lpfc_iocbq *) arg;
1408
1409 lpfc_rcv_padisc(phba, ndlp, cmdiocb);
1410 return (ndlp->nlp_state);
1411}
1412
1413static uint32_t
1414lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba,
1415 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1416{
1417 struct lpfc_iocbq *cmdiocb;
1418
1419 cmdiocb = (struct lpfc_iocbq *) arg;
1420
1421 /* flush the target */
1422 spin_lock_irq(phba->host->host_lock);
1423 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
1424 ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
1425 spin_unlock_irq(phba->host->host_lock);
1426
1427 /* Treat like rcv logo */
1428 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1429 return (ndlp->nlp_state);
1430}
1431
1432static uint32_t
1433lpfc_device_recov_mapped_node(struct lpfc_hba * phba,
1434 struct lpfc_nodelist * ndlp, void *arg,
1435 uint32_t evt)
1436{
1437 ndlp->nlp_state = NLP_STE_NPR_NODE;
1438 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1439 spin_lock_irq(phba->host->host_lock);
1440 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1441 spin_unlock_irq(phba->host->host_lock);
1442 lpfc_disc_set_adisc(phba, ndlp);
1443 return (ndlp->nlp_state);
1444}
1445
1446static uint32_t
1447lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba,
1448 struct lpfc_nodelist * ndlp, void *arg,
1449 uint32_t evt)
1450{
1451 struct lpfc_iocbq *cmdiocb;
1452
1453 cmdiocb = (struct lpfc_iocbq *) arg;
1454
1455 /* Ignore PLOGI if we have an outstanding LOGO */
1456 if (ndlp->nlp_flag & NLP_LOGO_SND) {
1457 return (ndlp->nlp_state);
1458 }
1459
1460 if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) {
1461 spin_lock_irq(phba->host->host_lock);
1462 ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC);
1463 spin_unlock_irq(phba->host->host_lock);
1464 return (ndlp->nlp_state);
1465 }
1466
1467 /* send PLOGI immediately, move to PLOGI issue state */
1468 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1469 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1470 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1471 lpfc_issue_els_plogi(phba, ndlp, 0);
1472 }
1473 return (ndlp->nlp_state);
1474}
1475
1476static uint32_t
1477lpfc_rcv_prli_npr_node(struct lpfc_hba * phba,
1478 struct lpfc_nodelist * ndlp, void *arg,
1479 uint32_t evt)
1480{
1481 struct lpfc_iocbq *cmdiocb;
1482 struct ls_rjt stat;
1483
1484 cmdiocb = (struct lpfc_iocbq *) arg;
1485
1486 memset(&stat, 0, sizeof (struct ls_rjt));
1487 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
1488 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
1489 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
1490
1491 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1492 if (ndlp->nlp_flag & NLP_NPR_ADISC) {
1493 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
1494 lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST);
1495 lpfc_issue_els_adisc(phba, ndlp, 0);
1496 } else {
1497 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1498 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1499 lpfc_issue_els_plogi(phba, ndlp, 0);
1500 }
1501 }
1502 return (ndlp->nlp_state);
1503}
1504
1505static uint32_t
1506lpfc_rcv_logo_npr_node(struct lpfc_hba * phba,
1507 struct lpfc_nodelist * ndlp, void *arg,
1508 uint32_t evt)
1509{
1510 struct lpfc_iocbq *cmdiocb;
1511
1512 cmdiocb = (struct lpfc_iocbq *) arg;
1513
1514 lpfc_rcv_logo(phba, ndlp, cmdiocb);
1515 return (ndlp->nlp_state);
1516}
1517
1518static uint32_t
1519lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba,
1520 struct lpfc_nodelist * ndlp, void *arg,
1521 uint32_t evt)
1522{
1523 struct lpfc_iocbq *cmdiocb;
1524
1525 cmdiocb = (struct lpfc_iocbq *) arg;
1526
1527 lpfc_rcv_padisc(phba, ndlp, cmdiocb);
1528
1529 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1530 if (ndlp->nlp_flag & NLP_NPR_ADISC) {
1531 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
1532 lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST);
1533 lpfc_issue_els_adisc(phba, ndlp, 0);
1534 } else {
1535 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1536 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1537 lpfc_issue_els_plogi(phba, ndlp, 0);
1538 }
1539 }
1540 return (ndlp->nlp_state);
1541}
1542
1543static uint32_t
1544lpfc_rcv_prlo_npr_node(struct lpfc_hba * phba,
1545 struct lpfc_nodelist * ndlp, void *arg,
1546 uint32_t evt)
1547{
1548 struct lpfc_iocbq *cmdiocb;
1549
1550 cmdiocb = (struct lpfc_iocbq *) arg;
1551
1552 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
1553
1554 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1555 if (ndlp->nlp_last_elscmd == (unsigned long)ELS_CMD_PLOGI) {
1556 return (ndlp->nlp_state);
1557 } else {
1558 spin_lock_irq(phba->host->host_lock);
1559 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1560 spin_unlock_irq(phba->host->host_lock);
1561 del_timer_sync(&ndlp->nlp_delayfunc);
1562 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1563 list_del_init(&ndlp->els_retry_evt.evt_listp);
1564 }
1565 }
1566
1567 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1568 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1569 lpfc_issue_els_plogi(phba, ndlp, 0);
1570 return (ndlp->nlp_state);
1571}
1572
1573static uint32_t
1574lpfc_cmpl_logo_npr_node(struct lpfc_hba * phba,
1575 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1576{
1577 lpfc_unreg_rpi(phba, ndlp);
1578 /* This routine does nothing, just return the current state */
1579 return (ndlp->nlp_state);
1580}
1581
1582static uint32_t
1583lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba,
1584 struct lpfc_nodelist * ndlp, void *arg,
1585 uint32_t evt)
1586{
1587 LPFC_MBOXQ_t *pmb;
1588 MAILBOX_t *mb;
1589
1590 pmb = (LPFC_MBOXQ_t *) arg;
1591 mb = &pmb->mb;
1592
1593 /* save rpi */
1594 if (ndlp->nlp_rpi != 0)
1595 lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
1596
1597 ndlp->nlp_rpi = mb->un.varWords[0];
1598 lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
1599
1600 return (ndlp->nlp_state);
1601}
1602
1603static uint32_t
1604lpfc_device_rm_npr_node(struct lpfc_hba * phba,
1605 struct lpfc_nodelist * ndlp, void *arg,
1606 uint32_t evt)
1607{
1608 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1609 return (NLP_STE_FREED_NODE);
1610}
1611
1612static uint32_t
1613lpfc_device_recov_npr_node(struct lpfc_hba * phba,
1614 struct lpfc_nodelist * ndlp, void *arg,
1615 uint32_t evt)
1616{
1617 spin_lock_irq(phba->host->host_lock);
1618 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1619 spin_unlock_irq(phba->host->host_lock);
1620 return (ndlp->nlp_state);
1621}
1622
1623
1624/* This next section defines the NPort Discovery State Machine */
1625
1626/* There are 4 different double linked lists nodelist entries can reside on.
1627 * The plogi list and adisc list are used when Link Up discovery or RSCN
1628 * processing is needed. Each list holds the nodes that we will send PLOGI
1629 * or ADISC on. These lists will keep track of what nodes will be effected
1630 * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up).
1631 * The unmapped_list will contain all nodes that we have successfully logged
1632 * into at the Fibre Channel level. The mapped_list will contain all nodes
1633 * that are mapped FCP targets.
1634 */
1635/*
1636 * The bind list is a list of undiscovered (potentially non-existent) nodes
1637 * that we have saved binding information on. This information is used when
1638 * nodes transition from the unmapped to the mapped list.
1639 */
1640/* For UNUSED_NODE state, the node has just been allocated .
1641 * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on
1642 * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list
1643 * and put on the unmapped list. For ADISC processing, the node is taken off
1644 * the ADISC list and placed on either the mapped or unmapped list (depending
1645 * on its previous state). Once on the unmapped list, a PRLI is issued and the
1646 * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is
1647 * changed to UNMAPPED_NODE. If the completion indicates a mapped
1648 * node, the node is taken off the unmapped list. The binding list is checked
1649 * for a valid binding, or a binding is automatically assigned. If binding
1650 * assignment is unsuccessful, the node is left on the unmapped list. If
1651 * binding assignment is successful, the associated binding list entry (if
1652 * any) is removed, and the node is placed on the mapped list.
1653 */
1654/*
1655 * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped
1656 * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers
1657 * expire, all effected nodes will receive a DEVICE_RM event.
1658 */
1659/*
1660 * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists
1661 * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap
1662 * check, additional nodes may be added or removed (via DEVICE_RM) to / from
1663 * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated,
1664 * we will first process the ADISC list. 32 entries are processed initially and
1665 * ADISC is initited for each one. Completions / Events for each node are
1666 * funnelled thru the state machine. As each node finishes ADISC processing, it
1667 * starts ADISC for any nodes waiting for ADISC processing. If no nodes are
1668 * waiting, and the ADISC list count is identically 0, then we are done. For
1669 * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we
1670 * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI
1671 * list. 32 entries are processed initially and PLOGI is initited for each one.
1672 * Completions / Events for each node are funnelled thru the state machine. As
1673 * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting
1674 * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is
1675 * indentically 0, then we are done. We have now completed discovery / RSCN
1676 * handling. Upon completion, ALL nodes should be on either the mapped or
1677 * unmapped lists.
1678 */
1679
1680static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT])
1681 (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t) = {
1682 /* Action routine Event Current State */
1683 lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */
1684 lpfc_rcv_els_unused_node, /* RCV_PRLI */
1685 lpfc_rcv_logo_unused_node, /* RCV_LOGO */
1686 lpfc_rcv_els_unused_node, /* RCV_ADISC */
1687 lpfc_rcv_els_unused_node, /* RCV_PDISC */
1688 lpfc_rcv_els_unused_node, /* RCV_PRLO */
1689 lpfc_disc_illegal, /* CMPL_PLOGI */
1690 lpfc_disc_illegal, /* CMPL_PRLI */
1691 lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */
1692 lpfc_disc_illegal, /* CMPL_ADISC */
1693 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
1694 lpfc_device_rm_unused_node, /* DEVICE_RM */
1695 lpfc_disc_illegal, /* DEVICE_RECOVERY */
1696
1697 lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */
1698 lpfc_rcv_els_plogi_issue, /* RCV_PRLI */
1699 lpfc_rcv_els_plogi_issue, /* RCV_LOGO */
1700 lpfc_rcv_els_plogi_issue, /* RCV_ADISC */
1701 lpfc_rcv_els_plogi_issue, /* RCV_PDISC */
1702 lpfc_rcv_els_plogi_issue, /* RCV_PRLO */
1703 lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */
1704 lpfc_disc_illegal, /* CMPL_PRLI */
1705 lpfc_disc_illegal, /* CMPL_LOGO */
1706 lpfc_disc_illegal, /* CMPL_ADISC */
1707 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
1708 lpfc_device_rm_plogi_issue, /* DEVICE_RM */
1709 lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */
1710
1711 lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */
1712 lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */
1713 lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */
1714 lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */
1715 lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */
1716 lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */
1717 lpfc_disc_illegal, /* CMPL_PLOGI */
1718 lpfc_disc_illegal, /* CMPL_PRLI */
1719 lpfc_disc_illegal, /* CMPL_LOGO */
1720 lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */
1721 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
1722 lpfc_device_rm_adisc_issue, /* DEVICE_RM */
1723 lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */
1724
1725 lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */
1726 lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */
1727 lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */
1728 lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */
1729 lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */
1730 lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */
1731 lpfc_disc_illegal, /* CMPL_PLOGI */
1732 lpfc_disc_illegal, /* CMPL_PRLI */
1733 lpfc_disc_illegal, /* CMPL_LOGO */
1734 lpfc_disc_illegal, /* CMPL_ADISC */
1735 lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */
1736 lpfc_device_rm_reglogin_issue, /* DEVICE_RM */
1737 lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */
1738
1739 lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */
1740 lpfc_rcv_prli_prli_issue, /* RCV_PRLI */
1741 lpfc_rcv_logo_prli_issue, /* RCV_LOGO */
1742 lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */
1743 lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */
1744 lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */
1745 lpfc_disc_illegal, /* CMPL_PLOGI */
1746 lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */
1747 lpfc_disc_illegal, /* CMPL_LOGO */
1748 lpfc_disc_illegal, /* CMPL_ADISC */
1749 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
1750 lpfc_device_rm_prli_issue, /* DEVICE_RM */
1751 lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */
1752
1753 lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */
1754 lpfc_rcv_prli_unmap_node, /* RCV_PRLI */
1755 lpfc_rcv_logo_unmap_node, /* RCV_LOGO */
1756 lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */
1757 lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */
1758 lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */
1759 lpfc_disc_illegal, /* CMPL_PLOGI */
1760 lpfc_disc_illegal, /* CMPL_PRLI */
1761 lpfc_disc_illegal, /* CMPL_LOGO */
1762 lpfc_disc_illegal, /* CMPL_ADISC */
1763 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
1764 lpfc_disc_illegal, /* DEVICE_RM */
1765 lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */
1766
1767 lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */
1768 lpfc_rcv_prli_mapped_node, /* RCV_PRLI */
1769 lpfc_rcv_logo_mapped_node, /* RCV_LOGO */
1770 lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */
1771 lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */
1772 lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */
1773 lpfc_disc_illegal, /* CMPL_PLOGI */
1774 lpfc_disc_illegal, /* CMPL_PRLI */
1775 lpfc_disc_illegal, /* CMPL_LOGO */
1776 lpfc_disc_illegal, /* CMPL_ADISC */
1777 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
1778 lpfc_disc_illegal, /* DEVICE_RM */
1779 lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */
1780
1781 lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */
1782 lpfc_rcv_prli_npr_node, /* RCV_PRLI */
1783 lpfc_rcv_logo_npr_node, /* RCV_LOGO */
1784 lpfc_rcv_padisc_npr_node, /* RCV_ADISC */
1785 lpfc_rcv_padisc_npr_node, /* RCV_PDISC */
1786 lpfc_rcv_prlo_npr_node, /* RCV_PRLO */
1787 lpfc_disc_noop, /* CMPL_PLOGI */
1788 lpfc_disc_noop, /* CMPL_PRLI */
1789 lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */
1790 lpfc_disc_noop, /* CMPL_ADISC */
1791 lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */
1792 lpfc_device_rm_npr_node, /* DEVICE_RM */
1793 lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */
1794};
1795
1796int
1797lpfc_disc_state_machine(struct lpfc_hba * phba,
1798 struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
1799{
1800 uint32_t cur_state, rc;
1801 uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *,
1802 uint32_t);
1803
1804 ndlp->nlp_disc_refcnt++;
1805 cur_state = ndlp->nlp_state;
1806
1807 /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */
1808 lpfc_printf_log(phba,
1809 KERN_INFO,
1810 LOG_DISCOVERY,
1811 "%d:0211 DSM in event x%x on NPort x%x in state %d "
1812 "Data: x%x\n",
1813 phba->brd_no,
1814 evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag);
1815
1816 func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt];
1817 rc = (func) (phba, ndlp, arg, evt);
1818
1819 /* DSM out state <rc> on NPort <nlp_DID> */
1820 lpfc_printf_log(phba,
1821 KERN_INFO,
1822 LOG_DISCOVERY,
1823 "%d:0212 DSM out state %d on NPort x%x Data: x%x\n",
1824 phba->brd_no,
1825 rc, ndlp->nlp_DID, ndlp->nlp_flag);
1826
1827 ndlp->nlp_disc_refcnt--;
1828
1829 /* Check to see if ndlp removal is deferred */
1830 if ((ndlp->nlp_disc_refcnt == 0)
1831 && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) {
1832 spin_lock_irq(phba->host->host_lock);
1833 ndlp->nlp_flag &= ~NLP_DELAY_REMOVE;
1834 spin_unlock_irq(phba->host->host_lock);
1835 lpfc_nlp_remove(phba, ndlp);
1836 return (NLP_STE_FREED_NODE);
1837 }
1838 if (rc == NLP_STE_FREED_NODE)
1839 return (NLP_STE_FREED_NODE);
1840 ndlp->nlp_state = rc;
1841 return (rc);
1842}
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
new file mode 100644
index 000000000000..42fab03ad2ba
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -0,0 +1,1246 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_scsi.c 1.37 2005/04/13 14:27:09EDT sf_support Exp $
23 */
24
25#include <linux/pci.h>
26#include <linux/interrupt.h>
27
28#include <scsi/scsi.h>
29#include <scsi/scsi_device.h>
30#include <scsi/scsi_host.h>
31#include <scsi/scsi_tcq.h>
32#include <scsi/scsi_transport_fc.h>
33
34#include "lpfc_version.h"
35#include "lpfc_hw.h"
36#include "lpfc_sli.h"
37#include "lpfc_disc.h"
38#include "lpfc_scsi.h"
39#include "lpfc.h"
40#include "lpfc_logmsg.h"
41#include "lpfc_crtn.h"
42
43#define LPFC_RESET_WAIT 2
44#define LPFC_ABORT_WAIT 2
45
46static inline void lpfc_put_lun(struct fcp_cmnd *fcmd, unsigned int lun)
47{
48 fcmd->fcpLunLsl = 0;
49 fcmd->fcpLunMsl = swab16((uint16_t)lun);
50}
51
52/*
53 * This routine allocates a scsi buffer, which contains all the necessary
54 * information needed to initiate a SCSI I/O. The non-DMAable buffer region
55 * contains information to build the IOCB. The DMAable region contains
56 * memory for the FCP CMND, FCP RSP, and the inital BPL. In addition to
57 * allocating memeory, the FCP CMND and FCP RSP BDEs are setup in the BPL
58 * and the BPL BDE is setup in the IOCB.
59 */
60static struct lpfc_scsi_buf *
61lpfc_get_scsi_buf(struct lpfc_hba * phba)
62{
63 struct lpfc_scsi_buf *psb;
64 struct ulp_bde64 *bpl;
65 IOCB_t *iocb;
66 dma_addr_t pdma_phys;
67
68 psb = kmalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL);
69 if (!psb)
70 return NULL;
71 memset(psb, 0, sizeof (struct lpfc_scsi_buf));
72 psb->scsi_hba = phba;
73
74 /*
75 * Get memory from the pci pool to map the virt space to pci bus space
76 * for an I/O. The DMA buffer includes space for the struct fcp_cmnd,
77 * struct fcp_rsp and the number of bde's necessary to support the
78 * sg_tablesize.
79 */
80 psb->data = pci_pool_alloc(phba->lpfc_scsi_dma_buf_pool, GFP_KERNEL,
81 &psb->dma_handle);
82 if (!psb->data) {
83 kfree(psb);
84 return NULL;
85 }
86
87 /* Initialize virtual ptrs to dma_buf region. */
88 memset(psb->data, 0, phba->cfg_sg_dma_buf_size);
89
90 psb->fcp_cmnd = psb->data;
91 psb->fcp_rsp = psb->data + sizeof(struct fcp_cmnd);
92 psb->fcp_bpl = psb->data + sizeof(struct fcp_cmnd) +
93 sizeof(struct fcp_rsp);
94
95 /* Initialize local short-hand pointers. */
96 bpl = psb->fcp_bpl;
97 pdma_phys = psb->dma_handle;
98
99 /*
100 * The first two bdes are the FCP_CMD and FCP_RSP. The balance are sg
101 * list bdes. Initialize the first two and leave the rest for
102 * queuecommand.
103 */
104 bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys));
105 bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys));
106 bpl->tus.f.bdeSize = sizeof (struct fcp_cmnd);
107 bpl->tus.f.bdeFlags = BUFF_USE_CMND;
108 bpl->tus.w = le32_to_cpu(bpl->tus.w);
109 bpl++;
110
111 /* Setup the physical region for the FCP RSP */
112 pdma_phys += sizeof (struct fcp_cmnd);
113 bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys));
114 bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys));
115 bpl->tus.f.bdeSize = sizeof (struct fcp_rsp);
116 bpl->tus.f.bdeFlags = (BUFF_USE_CMND | BUFF_USE_RCV);
117 bpl->tus.w = le32_to_cpu(bpl->tus.w);
118
119 /*
120 * Since the IOCB for the FCP I/O is built into this lpfc_scsi_buf,
121 * initialize it with all known data now.
122 */
123 pdma_phys += (sizeof (struct fcp_rsp));
124 iocb = &psb->cur_iocbq.iocb;
125 iocb->un.fcpi64.bdl.ulpIoTag32 = 0;
126 iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys);
127 iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys);
128 iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
129 iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDL;
130 iocb->ulpBdeCount = 1;
131 iocb->ulpClass = CLASS3;
132
133 return psb;
134}
135
136static void
137lpfc_free_scsi_buf(struct lpfc_scsi_buf * psb)
138{
139 struct lpfc_hba *phba = psb->scsi_hba;
140
141 /*
142 * There are only two special cases to consider. (1) the scsi command
143 * requested scatter-gather usage or (2) the scsi command allocated
144 * a request buffer, but did not request use_sg. There is a third
145 * case, but it does not require resource deallocation.
146 */
147 if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) {
148 dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer,
149 psb->seg_cnt, psb->pCmd->sc_data_direction);
150 } else {
151 if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) {
152 dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys,
153 psb->pCmd->request_bufflen,
154 psb->pCmd->sc_data_direction);
155 }
156 }
157
158 list_add_tail(&psb->list, &phba->lpfc_scsi_buf_list);
159}
160
161static int
162lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
163{
164 struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd;
165 struct scatterlist *sgel = NULL;
166 struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
167 struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl;
168 IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
169 dma_addr_t physaddr;
170 uint32_t i, num_bde = 0;
171 int datadir = scsi_cmnd->sc_data_direction;
172 int dma_error;
173
174 /*
175 * There are three possibilities here - use scatter-gather segment, use
176 * the single mapping, or neither. Start the lpfc command prep by
177 * bumping the bpl beyond the fcp_cmnd and fcp_rsp regions to the first
178 * data bde entry.
179 */
180 bpl += 2;
181 if (scsi_cmnd->use_sg) {
182 /*
183 * The driver stores the segment count returned from pci_map_sg
184 * because this a count of dma-mappings used to map the use_sg
185 * pages. They are not guaranteed to be the same for those
186 * architectures that implement an IOMMU.
187 */
188 sgel = (struct scatterlist *)scsi_cmnd->request_buffer;
189 lpfc_cmd->seg_cnt = dma_map_sg(&phba->pcidev->dev, sgel,
190 scsi_cmnd->use_sg, datadir);
191 if (lpfc_cmd->seg_cnt == 0)
192 return 1;
193
194 if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) {
195 printk(KERN_ERR "%s: Too many sg segments from "
196 "dma_map_sg. Config %d, seg_cnt %d",
197 __FUNCTION__, phba->cfg_sg_seg_cnt,
198 lpfc_cmd->seg_cnt);
199 dma_unmap_sg(&phba->pcidev->dev, sgel,
200 lpfc_cmd->seg_cnt, datadir);
201 return 1;
202 }
203
204 /*
205 * The driver established a maximum scatter-gather segment count
206 * during probe that limits the number of sg elements in any
207 * single scsi command. Just run through the seg_cnt and format
208 * the bde's.
209 */
210 for (i = 0; i < lpfc_cmd->seg_cnt; i++) {
211 physaddr = sg_dma_address(sgel);
212 bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr));
213 bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
214 bpl->tus.f.bdeSize = sg_dma_len(sgel);
215 if (datadir == DMA_TO_DEVICE)
216 bpl->tus.f.bdeFlags = 0;
217 else
218 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
219 bpl->tus.w = le32_to_cpu(bpl->tus.w);
220 bpl++;
221 sgel++;
222 num_bde++;
223 }
224 } else if (scsi_cmnd->request_buffer && scsi_cmnd->request_bufflen) {
225 physaddr = dma_map_single(&phba->pcidev->dev,
226 scsi_cmnd->request_buffer,
227 scsi_cmnd->request_bufflen,
228 datadir);
229 dma_error = dma_mapping_error(physaddr);
230 if (dma_error) {
231 lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
232 "%d:0718 Unable to dma_map_single "
233 "request_buffer: x%x\n",
234 phba->brd_no, dma_error);
235 return 1;
236 }
237
238 lpfc_cmd->nonsg_phys = physaddr;
239 bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr));
240 bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
241 bpl->tus.f.bdeSize = scsi_cmnd->request_bufflen;
242 if (datadir == DMA_TO_DEVICE)
243 bpl->tus.f.bdeFlags = 0;
244 bpl->tus.w = le32_to_cpu(bpl->tus.w);
245 num_bde = 1;
246 bpl++;
247 }
248
249 /*
250 * Finish initializing those IOCB fields that are dependent on the
251 * scsi_cmnd request_buffer
252 */
253 iocb_cmd->un.fcpi64.bdl.bdeSize +=
254 (num_bde * sizeof (struct ulp_bde64));
255 iocb_cmd->ulpBdeCount = 1;
256 iocb_cmd->ulpLe = 1;
257 fcp_cmnd->fcpDl = be32_to_cpu(scsi_cmnd->request_bufflen);
258 return 0;
259}
260
261static void
262lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
263{
264 struct scsi_cmnd *cmnd = lpfc_cmd->pCmd;
265 struct fcp_cmnd *fcpcmd = lpfc_cmd->fcp_cmnd;
266 struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp;
267 struct lpfc_hba *phba = lpfc_cmd->scsi_hba;
268 uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm;
269 uint32_t resp_info = fcprsp->rspStatus2;
270 uint32_t scsi_status = fcprsp->rspStatus3;
271 uint32_t host_status = DID_OK;
272 uint32_t rsplen = 0;
273
274 /*
275 * If this is a task management command, there is no
276 * scsi packet associated with this lpfc_cmd. The driver
277 * consumes it.
278 */
279 if (fcpcmd->fcpCntl2) {
280 scsi_status = 0;
281 goto out;
282 }
283
284 lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
285 "%d:0730 FCP command failed: RSP "
286 "Data: x%x x%x x%x x%x x%x x%x\n",
287 phba->brd_no, resp_info, scsi_status,
288 be32_to_cpu(fcprsp->rspResId),
289 be32_to_cpu(fcprsp->rspSnsLen),
290 be32_to_cpu(fcprsp->rspRspLen),
291 fcprsp->rspInfo3);
292
293 if (resp_info & RSP_LEN_VALID) {
294 rsplen = be32_to_cpu(fcprsp->rspRspLen);
295 if ((rsplen != 0 && rsplen != 4 && rsplen != 8) ||
296 (fcprsp->rspInfo3 != RSP_NO_FAILURE)) {
297 host_status = DID_ERROR;
298 goto out;
299 }
300 }
301
302 if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
303 uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen);
304 if (snslen > SCSI_SENSE_BUFFERSIZE)
305 snslen = SCSI_SENSE_BUFFERSIZE;
306
307 memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen);
308 }
309
310 cmnd->resid = 0;
311 if (resp_info & RESID_UNDER) {
312 cmnd->resid = be32_to_cpu(fcprsp->rspResId);
313
314 lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
315 "%d:0716 FCP Read Underrun, expected %d, "
316 "residual %d Data: x%x x%x x%x\n", phba->brd_no,
317 be32_to_cpu(fcpcmd->fcpDl), cmnd->resid,
318 fcpi_parm, cmnd->cmnd[0], cmnd->underflow);
319
320 /*
321 * The cmnd->underflow is the minimum number of bytes that must
322 * be transfered for this command. Provided a sense condition
323 * is not present, make sure the actual amount transferred is at
324 * least the underflow value or fail.
325 */
326 if (!(resp_info & SNS_LEN_VALID) &&
327 (scsi_status == SAM_STAT_GOOD) &&
328 (cmnd->request_bufflen - cmnd->resid) < cmnd->underflow) {
329 lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
330 "%d:0717 FCP command x%x residual "
331 "underrun converted to error "
332 "Data: x%x x%x x%x\n", phba->brd_no,
333 cmnd->cmnd[0], cmnd->request_bufflen,
334 cmnd->resid, cmnd->underflow);
335
336 host_status = DID_ERROR;
337 }
338 } else if (resp_info & RESID_OVER) {
339 lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
340 "%d:0720 FCP command x%x residual "
341 "overrun error. Data: x%x x%x \n",
342 phba->brd_no, cmnd->cmnd[0],
343 cmnd->request_bufflen, cmnd->resid);
344 host_status = DID_ERROR;
345
346 /*
347 * Check SLI validation that all the transfer was actually done
348 * (fcpi_parm should be zero). Apply check only to reads.
349 */
350 } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm &&
351 (cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
352 lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
353 "%d:0734 FCP Read Check Error Data: "
354 "x%x x%x x%x x%x\n", phba->brd_no,
355 be32_to_cpu(fcpcmd->fcpDl),
356 be32_to_cpu(fcprsp->rspResId),
357 fcpi_parm, cmnd->cmnd[0]);
358 host_status = DID_ERROR;
359 cmnd->resid = cmnd->request_bufflen;
360 }
361
362 out:
363 cmnd->result = ScsiResult(host_status, scsi_status);
364}
365
366static void
367lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
368 struct lpfc_iocbq *pIocbOut)
369{
370 struct lpfc_scsi_buf *lpfc_cmd =
371 (struct lpfc_scsi_buf *) pIocbIn->context1;
372 struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
373 struct lpfc_nodelist *pnode = rdata->pnode;
374 struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
375 unsigned long iflag;
376
377 lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
378 lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
379
380 if (lpfc_cmd->status) {
381 if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT &&
382 (lpfc_cmd->result & IOERR_DRVR_MASK))
383 lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
384 else if (lpfc_cmd->status >= IOSTAT_CNT)
385 lpfc_cmd->status = IOSTAT_DEFAULT;
386
387 lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
388 "%d:0729 FCP cmd x%x failed <%d/%d> status: "
389 "x%x result: x%x Data: x%x x%x\n",
390 phba->brd_no, cmd->cmnd[0], cmd->device->id,
391 cmd->device->lun, lpfc_cmd->status,
392 lpfc_cmd->result, pIocbOut->iocb.ulpContext,
393 lpfc_cmd->cur_iocbq.iocb.ulpIoTag);
394
395 switch (lpfc_cmd->status) {
396 case IOSTAT_FCP_RSP_ERROR:
397 /* Call FCP RSP handler to determine result */
398 lpfc_handle_fcp_err(lpfc_cmd);
399 break;
400 case IOSTAT_NPORT_BSY:
401 case IOSTAT_FABRIC_BSY:
402 cmd->result = ScsiResult(DID_BUS_BUSY, 0);
403 break;
404 default:
405 cmd->result = ScsiResult(DID_ERROR, 0);
406 break;
407 }
408
409 if (pnode) {
410 if (pnode->nlp_state != NLP_STE_MAPPED_NODE)
411 cmd->result = ScsiResult(DID_BUS_BUSY,
412 SAM_STAT_BUSY);
413 }
414 else {
415 cmd->result = ScsiResult(DID_NO_CONNECT, 0);
416 }
417 } else {
418 cmd->result = ScsiResult(DID_OK, 0);
419 }
420
421 if (cmd->result || lpfc_cmd->fcp_rsp->rspSnsLen) {
422 uint32_t *lp = (uint32_t *)cmd->sense_buffer;
423
424 lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
425 "%d:0710 Iodone <%d/%d> cmd %p, error x%x "
426 "SNS x%x x%x Data: x%x x%x\n",
427 phba->brd_no, cmd->device->id,
428 cmd->device->lun, cmd, cmd->result,
429 *lp, *(lp + 3), cmd->retries, cmd->resid);
430 }
431
432 spin_lock_irqsave(phba->host->host_lock, iflag);
433 lpfc_free_scsi_buf(lpfc_cmd);
434 cmd->host_scribble = NULL;
435 spin_unlock_irqrestore(phba->host->host_lock, iflag);
436
437 cmd->scsi_done(cmd);
438}
439
440static void
441lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd,
442 struct lpfc_nodelist *pnode)
443{
444 struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd;
445 struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
446 IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
447 struct lpfc_iocbq *piocbq = &(lpfc_cmd->cur_iocbq);
448 int datadir = scsi_cmnd->sc_data_direction;
449
450 lpfc_cmd->fcp_rsp->rspSnsLen = 0;
451
452 lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun);
453
454 memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16);
455
456 if (scsi_cmnd->device->tagged_supported) {
457 switch (scsi_cmnd->tag) {
458 case HEAD_OF_QUEUE_TAG:
459 fcp_cmnd->fcpCntl1 = HEAD_OF_Q;
460 break;
461 case ORDERED_QUEUE_TAG:
462 fcp_cmnd->fcpCntl1 = ORDERED_Q;
463 break;
464 default:
465 fcp_cmnd->fcpCntl1 = SIMPLE_Q;
466 break;
467 }
468 } else
469 fcp_cmnd->fcpCntl1 = 0;
470
471 /*
472 * There are three possibilities here - use scatter-gather segment, use
473 * the single mapping, or neither. Start the lpfc command prep by
474 * bumping the bpl beyond the fcp_cmnd and fcp_rsp regions to the first
475 * data bde entry.
476 */
477 if (scsi_cmnd->use_sg) {
478 if (datadir == DMA_TO_DEVICE) {
479 iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR;
480 iocb_cmd->un.fcpi.fcpi_parm = 0;
481 iocb_cmd->ulpPU = 0;
482 fcp_cmnd->fcpCntl3 = WRITE_DATA;
483 phba->fc4OutputRequests++;
484 } else {
485 iocb_cmd->ulpCommand = CMD_FCP_IREAD64_CR;
486 iocb_cmd->ulpPU = PARM_READ_CHECK;
487 iocb_cmd->un.fcpi.fcpi_parm =
488 scsi_cmnd->request_bufflen;
489 fcp_cmnd->fcpCntl3 = READ_DATA;
490 phba->fc4InputRequests++;
491 }
492 } else if (scsi_cmnd->request_buffer && scsi_cmnd->request_bufflen) {
493 if (datadir == DMA_TO_DEVICE) {
494 iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR;
495 iocb_cmd->un.fcpi.fcpi_parm = 0;
496 iocb_cmd->ulpPU = 0;
497 fcp_cmnd->fcpCntl3 = WRITE_DATA;
498 phba->fc4OutputRequests++;
499 } else {
500 iocb_cmd->ulpCommand = CMD_FCP_IREAD64_CR;
501 iocb_cmd->ulpPU = PARM_READ_CHECK;
502 iocb_cmd->un.fcpi.fcpi_parm =
503 scsi_cmnd->request_bufflen;
504 fcp_cmnd->fcpCntl3 = READ_DATA;
505 phba->fc4InputRequests++;
506 }
507 } else {
508 iocb_cmd->ulpCommand = CMD_FCP_ICMND64_CR;
509 iocb_cmd->un.fcpi.fcpi_parm = 0;
510 iocb_cmd->ulpPU = 0;
511 fcp_cmnd->fcpCntl3 = 0;
512 phba->fc4ControlRequests++;
513 }
514
515 /*
516 * Finish initializing those IOCB fields that are independent
517 * of the scsi_cmnd request_buffer
518 */
519 piocbq->iocb.ulpContext = pnode->nlp_rpi;
520 if (pnode->nlp_fcp_info & NLP_FCP_2_DEVICE)
521 piocbq->iocb.ulpFCP2Rcvy = 1;
522
523 piocbq->iocb.ulpClass = (pnode->nlp_fcp_info & 0x0f);
524 piocbq->context1 = lpfc_cmd;
525 piocbq->iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl;
526 piocbq->iocb.ulpTimeout = lpfc_cmd->timeout;
527}
528
529static int
530lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
531 struct lpfc_scsi_buf *lpfc_cmd,
532 uint8_t task_mgmt_cmd)
533{
534 struct lpfc_sli *psli;
535 struct lpfc_iocbq *piocbq;
536 IOCB_t *piocb;
537 struct fcp_cmnd *fcp_cmnd;
538 struct scsi_device *scsi_dev = lpfc_cmd->pCmd->device;
539 struct lpfc_rport_data *rdata = scsi_dev->hostdata;
540 struct lpfc_nodelist *ndlp = rdata->pnode;
541
542 if ((ndlp == 0) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
543 return 0;
544 }
545
546 psli = &phba->sli;
547 piocbq = &(lpfc_cmd->cur_iocbq);
548 piocb = &piocbq->iocb;
549
550 fcp_cmnd = lpfc_cmd->fcp_cmnd;
551 lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun);
552 fcp_cmnd->fcpCntl2 = task_mgmt_cmd;
553
554 piocb->ulpCommand = CMD_FCP_ICMND64_CR;
555
556 piocb->ulpContext = ndlp->nlp_rpi;
557 if (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
558 piocb->ulpFCP2Rcvy = 1;
559 }
560 piocb->ulpClass = (ndlp->nlp_fcp_info & 0x0f);
561
562 /* ulpTimeout is only one byte */
563 if (lpfc_cmd->timeout > 0xff) {
564 /*
565 * Do not timeout the command at the firmware level.
566 * The driver will provide the timeout mechanism.
567 */
568 piocb->ulpTimeout = 0;
569 } else {
570 piocb->ulpTimeout = lpfc_cmd->timeout;
571 }
572
573 lpfc_cmd->rdata = rdata;
574
575 switch (task_mgmt_cmd) {
576 case FCP_LUN_RESET:
577 /* Issue LUN Reset to TGT <num> LUN <num> */
578 lpfc_printf_log(phba,
579 KERN_INFO,
580 LOG_FCP,
581 "%d:0703 Issue LUN Reset to TGT %d LUN %d "
582 "Data: x%x x%x\n",
583 phba->brd_no,
584 scsi_dev->id, scsi_dev->lun,
585 ndlp->nlp_rpi, ndlp->nlp_flag);
586
587 break;
588 case FCP_ABORT_TASK_SET:
589 /* Issue Abort Task Set to TGT <num> LUN <num> */
590 lpfc_printf_log(phba,
591 KERN_INFO,
592 LOG_FCP,
593 "%d:0701 Issue Abort Task Set to TGT %d LUN %d "
594 "Data: x%x x%x\n",
595 phba->brd_no,
596 scsi_dev->id, scsi_dev->lun,
597 ndlp->nlp_rpi, ndlp->nlp_flag);
598
599 break;
600 case FCP_TARGET_RESET:
601 /* Issue Target Reset to TGT <num> */
602 lpfc_printf_log(phba,
603 KERN_INFO,
604 LOG_FCP,
605 "%d:0702 Issue Target Reset to TGT %d "
606 "Data: x%x x%x\n",
607 phba->brd_no,
608 scsi_dev->id, ndlp->nlp_rpi,
609 ndlp->nlp_flag);
610 break;
611 }
612
613 return (1);
614}
615
616static int
617lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
618{
619 struct lpfc_iocbq *iocbq;
620 struct lpfc_iocbq *iocbqrsp = NULL;
621 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
622 int ret;
623
624 ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET);
625 if (!ret)
626 return FAILED;
627
628 lpfc_cmd->scsi_hba = phba;
629 iocbq = &lpfc_cmd->cur_iocbq;
630 list_remove_head(lpfc_iocb_list, iocbqrsp, struct lpfc_iocbq, list);
631 if (!iocbqrsp)
632 return FAILED;
633 memset(iocbqrsp, 0, sizeof (struct lpfc_iocbq));
634
635 iocbq->iocb_flag |= LPFC_IO_POLL;
636 ret = lpfc_sli_issue_iocb_wait_high_priority(phba,
637 &phba->sli.ring[phba->sli.fcp_ring],
638 iocbq, SLI_IOCB_HIGH_PRIORITY,
639 iocbqrsp,
640 lpfc_cmd->timeout);
641 if (ret != IOCB_SUCCESS) {
642 lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
643 ret = FAILED;
644 } else {
645 ret = SUCCESS;
646 lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4];
647 lpfc_cmd->status = iocbqrsp->iocb.ulpStatus;
648 if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT &&
649 (lpfc_cmd->result & IOERR_DRVR_MASK))
650 lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
651 }
652
653 /*
654 * All outstanding txcmplq I/Os should have been aborted by the target.
655 * Unfortunately, some targets do not abide by this forcing the driver
656 * to double check.
657 */
658 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
659 lpfc_cmd->pCmd->device->id,
660 lpfc_cmd->pCmd->device->lun, 0, LPFC_CTX_TGT);
661
662 /* Return response IOCB to free list. */
663 list_add_tail(&iocbqrsp->list, lpfc_iocb_list);
664 return ret;
665}
666
667static void
668lpfc_scsi_cmd_iocb_cleanup (struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
669 struct lpfc_iocbq *pIocbOut)
670{
671 unsigned long iflag;
672 struct lpfc_scsi_buf *lpfc_cmd =
673 (struct lpfc_scsi_buf *) pIocbIn->context1;
674
675 spin_lock_irqsave(phba->host->host_lock, iflag);
676 lpfc_free_scsi_buf(lpfc_cmd);
677 spin_unlock_irqrestore(phba->host->host_lock, iflag);
678}
679
680static void
681lpfc_scsi_cmd_iocb_cmpl_aborted(struct lpfc_hba *phba,
682 struct lpfc_iocbq *pIocbIn,
683 struct lpfc_iocbq *pIocbOut)
684{
685 struct scsi_cmnd *ml_cmd =
686 ((struct lpfc_scsi_buf *) pIocbIn->context1)->pCmd;
687
688 lpfc_scsi_cmd_iocb_cleanup (phba, pIocbIn, pIocbOut);
689 ml_cmd->host_scribble = NULL;
690}
691
692const char *
693lpfc_info(struct Scsi_Host *host)
694{
695 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
696 int len;
697 static char lpfcinfobuf[384];
698
699 memset(lpfcinfobuf,0,384);
700 if (phba && phba->pcidev){
701 strncpy(lpfcinfobuf, phba->ModelDesc, 256);
702 len = strlen(lpfcinfobuf);
703 snprintf(lpfcinfobuf + len,
704 384-len,
705 " on PCI bus %02x device %02x irq %d",
706 phba->pcidev->bus->number,
707 phba->pcidev->devfn,
708 phba->pcidev->irq);
709 len = strlen(lpfcinfobuf);
710 if (phba->Port[0]) {
711 snprintf(lpfcinfobuf + len,
712 384-len,
713 " port %s",
714 phba->Port);
715 }
716 }
717 return lpfcinfobuf;
718}
719
720static int
721lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
722{
723 struct lpfc_hba *phba =
724 (struct lpfc_hba *) cmnd->device->host->hostdata[0];
725 struct lpfc_sli *psli = &phba->sli;
726 struct lpfc_rport_data *rdata = cmnd->device->hostdata;
727 struct lpfc_nodelist *ndlp = rdata->pnode;
728 struct lpfc_scsi_buf *lpfc_cmd = NULL;
729 struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list;
730 int err = 0;
731
732 /*
733 * The target pointer is guaranteed not to be NULL because the driver
734 * only clears the device->hostdata field in lpfc_slave_destroy. This
735 * approach guarantees no further IO calls on this target.
736 */
737 if (!ndlp) {
738 cmnd->result = ScsiResult(DID_NO_CONNECT, 0);
739 goto out_fail_command;
740 }
741
742 /*
743 * A Fibre Channel target is present and functioning only when the node
744 * state is MAPPED. Any other state is a failure.
745 */
746 if (ndlp->nlp_state != NLP_STE_MAPPED_NODE) {
747 if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) ||
748 (ndlp->nlp_state == NLP_STE_UNUSED_NODE)) {
749 cmnd->result = ScsiResult(DID_NO_CONNECT, 0);
750 goto out_fail_command;
751 }
752 /*
753 * The device is most likely recovered and the driver
754 * needs a bit more time to finish. Ask the midlayer
755 * to retry.
756 */
757 goto out_host_busy;
758 }
759
760 list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list);
761 if (lpfc_cmd == NULL) {
762 printk(KERN_WARNING "%s: No buffer available - list empty, "
763 "total count %d\n", __FUNCTION__, phba->total_scsi_bufs);
764 goto out_host_busy;
765 }
766
767 /*
768 * Store the midlayer's command structure for the completion phase
769 * and complete the command initialization.
770 */
771 lpfc_cmd->pCmd = cmnd;
772 lpfc_cmd->rdata = rdata;
773 lpfc_cmd->timeout = 0;
774 cmnd->host_scribble = (unsigned char *)lpfc_cmd;
775 cmnd->scsi_done = done;
776
777 err = lpfc_scsi_prep_dma_buf(phba, lpfc_cmd);
778 if (err)
779 goto out_host_busy_free_buf;
780
781 lpfc_scsi_prep_cmnd(phba, lpfc_cmd, ndlp);
782
783 err = lpfc_sli_issue_iocb(phba, &phba->sli.ring[psli->fcp_ring],
784 &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
785 if (err)
786 goto out_host_busy_free_buf;
787 return 0;
788
789 out_host_busy_free_buf:
790 lpfc_free_scsi_buf(lpfc_cmd);
791 cmnd->host_scribble = NULL;
792 out_host_busy:
793 return SCSI_MLQUEUE_HOST_BUSY;
794
795 out_fail_command:
796 done(cmnd);
797 return 0;
798}
799
800static int
801lpfc_abort_handler(struct scsi_cmnd *cmnd)
802{
803 struct lpfc_hba *phba =
804 (struct lpfc_hba *)cmnd->device->host->hostdata[0];
805 struct lpfc_sli_ring *pring = &phba->sli.ring[phba->sli.fcp_ring];
806 struct lpfc_iocbq *iocb, *next_iocb;
807 struct lpfc_iocbq *abtsiocb = NULL;
808 struct lpfc_scsi_buf *lpfc_cmd;
809 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
810 IOCB_t *cmd, *icmd;
811 unsigned long snum;
812 unsigned int id, lun;
813 unsigned int loop_count = 0;
814 int ret = IOCB_SUCCESS;
815
816 /*
817 * If the host_scribble data area is NULL, then the driver has already
818 * completed this command, but the midlayer did not see the completion
819 * before the eh fired. Just return SUCCESS.
820 */
821 lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
822 if (!lpfc_cmd)
823 return SUCCESS;
824
825 /* save these now since lpfc_cmd can be freed */
826 id = lpfc_cmd->pCmd->device->id;
827 lun = lpfc_cmd->pCmd->device->lun;
828 snum = lpfc_cmd->pCmd->serial_number;
829
830 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
831 cmd = &iocb->iocb;
832 if (iocb->context1 != lpfc_cmd)
833 continue;
834
835 list_del_init(&iocb->list);
836 pring->txq_cnt--;
837 if (!iocb->iocb_cmpl) {
838 list_add_tail(&iocb->list, lpfc_iocb_list);
839 }
840 else {
841 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
842 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
843 lpfc_scsi_cmd_iocb_cmpl_aborted(phba, iocb, iocb);
844 }
845
846 goto out;
847 }
848
849 list_remove_head(lpfc_iocb_list, abtsiocb, struct lpfc_iocbq, list);
850 if (abtsiocb == NULL)
851 return FAILED;
852
853 memset(abtsiocb, 0, sizeof (struct lpfc_iocbq));
854
855 /*
856 * The scsi command was not in the txq. Check the txcmplq and if it is
857 * found, send an abort to the FW.
858 */
859 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
860 if (iocb->context1 != lpfc_cmd)
861 continue;
862
863 iocb->iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl_aborted;
864 cmd = &iocb->iocb;
865 icmd = &abtsiocb->iocb;
866 icmd->un.acxri.abortType = ABORT_TYPE_ABTS;
867 icmd->un.acxri.abortContextTag = cmd->ulpContext;
868 icmd->un.acxri.abortIoTag = cmd->ulpIoTag;
869
870 icmd->ulpLe = 1;
871 icmd->ulpClass = cmd->ulpClass;
872 if (phba->hba_state >= LPFC_LINK_UP)
873 icmd->ulpCommand = CMD_ABORT_XRI_CN;
874 else
875 icmd->ulpCommand = CMD_CLOSE_XRI_CN;
876
877 if (lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0) ==
878 IOCB_ERROR) {
879 list_add_tail(&abtsiocb->list, lpfc_iocb_list);
880 ret = IOCB_ERROR;
881 break;
882 }
883
884 /* Wait for abort to complete */
885 while (cmnd->host_scribble)
886 {
887 spin_unlock_irq(phba->host->host_lock);
888 set_current_state(TASK_UNINTERRUPTIBLE);
889 schedule_timeout(LPFC_ABORT_WAIT*HZ);
890 spin_lock_irq(phba->host->host_lock);
891 if (++loop_count
892 > (2 * phba->cfg_nodev_tmo)/LPFC_ABORT_WAIT)
893 break;
894 }
895
896 if(cmnd->host_scribble) {
897 lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
898 "%d:0748 abort handler timed "
899 "out waiting for abort to "
900 "complete. Data: "
901 "x%x x%x x%x x%lx\n",
902 phba->brd_no, ret, id, lun, snum);
903 cmnd->host_scribble = NULL;
904 iocb->iocb_cmpl = lpfc_scsi_cmd_iocb_cleanup;
905 ret = IOCB_ERROR;
906 }
907
908 break;
909 }
910
911 out:
912 lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
913 "%d:0749 SCSI layer issued abort device "
914 "Data: x%x x%x x%x x%lx\n",
915 phba->brd_no, ret, id, lun, snum);
916
917 return ret == IOCB_SUCCESS ? SUCCESS : FAILED;
918}
919
920static int
921lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
922{
923 struct Scsi_Host *shost = cmnd->device->host;
924 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
925 struct lpfc_sli *psli = &phba->sli;
926 struct lpfc_scsi_buf *lpfc_cmd = NULL;
927 struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list;
928 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
929 struct lpfc_iocbq *iocbq, *iocbqrsp = NULL;
930 struct lpfc_rport_data *rdata = cmnd->device->hostdata;
931 struct lpfc_nodelist *pnode = rdata->pnode;
932 int ret = FAILED;
933 int cnt, loopcnt;
934
935 /*
936 * If target is not in a MAPPED state, delay the reset until
937 * target is rediscovered or nodev timeout expires.
938 */
939 while ( 1 ) {
940 if (!pnode)
941 break;
942
943 if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
944 spin_unlock_irq(phba->host->host_lock);
945 set_current_state(TASK_UNINTERRUPTIBLE);
946 schedule_timeout( HZ/2);
947 spin_lock_irq(phba->host->host_lock);
948 }
949 if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE))
950 break;
951 }
952
953 list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list);
954 if (lpfc_cmd == NULL)
955 goto out;
956
957 lpfc_cmd->pCmd = cmnd;
958 lpfc_cmd->timeout = 60;
959 lpfc_cmd->scsi_hba = phba;
960
961 ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET);
962 if (!ret)
963 goto out_free_scsi_buf;
964
965 iocbq = &lpfc_cmd->cur_iocbq;
966
967 /* get a buffer for this IOCB command response */
968 list_remove_head(lpfc_iocb_list, iocbqrsp, struct lpfc_iocbq, list);
969 if (iocbqrsp == NULL)
970 goto out_free_scsi_buf;
971
972 memset(iocbqrsp, 0, sizeof (struct lpfc_iocbq));
973
974 iocbq->iocb_flag |= LPFC_IO_POLL;
975 iocbq->iocb_cmpl = lpfc_sli_wake_iocb_high_priority;
976
977 ret = lpfc_sli_issue_iocb_wait_high_priority(phba,
978 &phba->sli.ring[psli->fcp_ring],
979 iocbq, 0, iocbqrsp, 60);
980 if (ret == IOCB_SUCCESS)
981 ret = SUCCESS;
982
983 lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4];
984 lpfc_cmd->status = iocbqrsp->iocb.ulpStatus;
985 if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT)
986 if (lpfc_cmd->result & IOERR_DRVR_MASK)
987 lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
988
989 /*
990 * All outstanding txcmplq I/Os should have been aborted by the target.
991 * Unfortunately, some targets do not abide by this forcing the driver
992 * to double check.
993 */
994 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
995 cmnd->device->id, cmnd->device->lun, 0,
996 LPFC_CTX_LUN);
997
998 loopcnt = 0;
999 while((cnt = lpfc_sli_sum_iocb(phba,
1000 &phba->sli.ring[phba->sli.fcp_ring],
1001 cmnd->device->id, cmnd->device->lun,
1002 LPFC_CTX_LUN))) {
1003 spin_unlock_irq(phba->host->host_lock);
1004 set_current_state(TASK_UNINTERRUPTIBLE);
1005 schedule_timeout(LPFC_RESET_WAIT*HZ);
1006 spin_lock_irq(phba->host->host_lock);
1007
1008 if (++loopcnt
1009 > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT)
1010 break;
1011 }
1012
1013 if (cnt) {
1014 lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
1015 "%d:0719 LUN Reset I/O flush failure: cnt x%x\n",
1016 phba->brd_no, cnt);
1017 }
1018
1019 list_add_tail(&iocbqrsp->list, lpfc_iocb_list);
1020
1021out_free_scsi_buf:
1022 lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
1023 "%d:0713 SCSI layer issued LUN reset (%d, %d) "
1024 "Data: x%x x%x x%x\n",
1025 phba->brd_no, lpfc_cmd->pCmd->device->id,
1026 lpfc_cmd->pCmd->device->lun, ret, lpfc_cmd->status,
1027 lpfc_cmd->result);
1028 lpfc_free_scsi_buf(lpfc_cmd);
1029out:
1030 return ret;
1031}
1032
1033/*
1034 * Note: midlayer calls this function with the host_lock held
1035 */
1036static int
1037lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
1038{
1039 struct Scsi_Host *shost = cmnd->device->host;
1040 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
1041 struct lpfc_nodelist *ndlp = NULL;
1042 int match;
1043 int ret = FAILED, i, err_count = 0;
1044 int cnt, loopcnt;
1045 unsigned int midlayer_id = 0;
1046 struct lpfc_scsi_buf * lpfc_cmd = NULL;
1047 struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list;
1048
1049 list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list);
1050 if (lpfc_cmd == NULL)
1051 goto out;
1052
1053 /* The lpfc_cmd storage is reused. Set all loop invariants. */
1054 lpfc_cmd->timeout = 60;
1055 lpfc_cmd->pCmd = cmnd;
1056 lpfc_cmd->scsi_hba = phba;
1057
1058 /*
1059 * Since the driver manages a single bus device, reset all
1060 * targets known to the driver. Should any target reset
1061 * fail, this routine returns failure to the midlayer.
1062 */
1063 midlayer_id = cmnd->device->id;
1064 for (i = 0; i < MAX_FCP_TARGET; i++) {
1065 /* Search the mapped list for this target ID */
1066 match = 0;
1067 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1068 if ((i == ndlp->nlp_sid) && ndlp->rport) {
1069 match = 1;
1070 break;
1071 }
1072 }
1073 if (!match)
1074 continue;
1075
1076 lpfc_cmd->pCmd->device->id = i;
1077 lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data;
1078 ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba);
1079 if (ret != SUCCESS) {
1080 lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
1081 "%d:0713 Bus Reset on target %d failed\n",
1082 phba->brd_no, i);
1083 err_count++;
1084 }
1085 }
1086
1087 cmnd->device->id = midlayer_id;
1088 loopcnt = 0;
1089 while((cnt = lpfc_sli_sum_iocb(phba,
1090 &phba->sli.ring[phba->sli.fcp_ring],
1091 0, 0, LPFC_CTX_HOST))) {
1092 spin_unlock_irq(phba->host->host_lock);
1093 set_current_state(TASK_UNINTERRUPTIBLE);
1094 schedule_timeout(LPFC_RESET_WAIT*HZ);
1095 spin_lock_irq(phba->host->host_lock);
1096
1097 if (++loopcnt
1098 > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT)
1099 break;
1100 }
1101
1102 if (cnt) {
1103 /* flush all outstanding commands on the host */
1104 i = lpfc_sli_abort_iocb(phba,
1105 &phba->sli.ring[phba->sli.fcp_ring], 0, 0, 0,
1106 LPFC_CTX_HOST);
1107
1108 lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
1109 "%d:0715 Bus Reset I/O flush failure: cnt x%x left x%x\n",
1110 phba->brd_no, cnt, i);
1111 }
1112
1113 if (!err_count)
1114 ret = SUCCESS;
1115
1116 lpfc_free_scsi_buf(lpfc_cmd);
1117 lpfc_printf_log(phba,
1118 KERN_ERR,
1119 LOG_FCP,
1120 "%d:0714 SCSI layer issued Bus Reset Data: x%x\n",
1121 phba->brd_no, ret);
1122out:
1123 return ret;
1124}
1125
1126static int
1127lpfc_slave_alloc(struct scsi_device *sdev)
1128{
1129 struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0];
1130 struct lpfc_nodelist *ndlp = NULL;
1131 int match = 0;
1132 struct lpfc_scsi_buf *scsi_buf = NULL;
1133 uint32_t total = 0, i;
1134 uint32_t num_to_alloc = 0;
1135 unsigned long flags;
1136 struct list_head *listp;
1137 struct list_head *node_list[6];
1138
1139 /*
1140 * Store the target pointer in the scsi_device hostdata pointer provided
1141 * the driver has already discovered the target id.
1142 */
1143
1144 /* Search the nlp lists other than unmap_list for this target ID */
1145 node_list[0] = &phba->fc_npr_list;
1146 node_list[1] = &phba->fc_nlpmap_list;
1147 node_list[2] = &phba->fc_prli_list;
1148 node_list[3] = &phba->fc_reglogin_list;
1149 node_list[4] = &phba->fc_adisc_list;
1150 node_list[5] = &phba->fc_plogi_list;
1151
1152 for (i = 0; i < 6 && !match; i++) {
1153 listp = node_list[i];
1154 if (list_empty(listp))
1155 continue;
1156 list_for_each_entry(ndlp, listp, nlp_listp) {
1157 if ((sdev->id == ndlp->nlp_sid) && ndlp->rport) {
1158 match = 1;
1159 break;
1160 }
1161 }
1162 }
1163
1164 if (!match)
1165 return -ENXIO;
1166
1167 sdev->hostdata = ndlp->rport->dd_data;
1168
1169 /*
1170 * Populate the cmds_per_lun count scsi_bufs into this host's globally
1171 * available list of scsi buffers. Don't allocate more than the
1172 * HBA limit conveyed to the midlayer via the host structure. Note
1173 * that this list of scsi bufs exists for the lifetime of the driver.
1174 */
1175 total = phba->total_scsi_bufs;
1176 num_to_alloc = LPFC_CMD_PER_LUN;
1177 if (total >= phba->cfg_hba_queue_depth) {
1178 printk(KERN_WARNING "%s, At config limitation of "
1179 "%d allocated scsi_bufs\n", __FUNCTION__, total);
1180 return 0;
1181 } else if (total + num_to_alloc > phba->cfg_hba_queue_depth) {
1182 num_to_alloc = phba->cfg_hba_queue_depth - total;
1183 }
1184
1185 for (i = 0; i < num_to_alloc; i++) {
1186 scsi_buf = lpfc_get_scsi_buf(phba);
1187 if (!scsi_buf) {
1188 printk(KERN_ERR "%s, failed to allocate "
1189 "scsi_buf\n", __FUNCTION__);
1190 break;
1191 }
1192
1193 spin_lock_irqsave(phba->host->host_lock, flags);
1194 phba->total_scsi_bufs++;
1195 list_add_tail(&scsi_buf->list, &phba->lpfc_scsi_buf_list);
1196 spin_unlock_irqrestore(phba->host->host_lock, flags);
1197 }
1198 return 0;
1199}
1200
1201static int
1202lpfc_slave_configure(struct scsi_device *sdev)
1203{
1204 struct lpfc_hba *phba = (struct lpfc_hba *) sdev->host->hostdata[0];
1205 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1206
1207 if (sdev->tagged_supported)
1208 scsi_activate_tcq(sdev, phba->cfg_lun_queue_depth);
1209 else
1210 scsi_deactivate_tcq(sdev, phba->cfg_lun_queue_depth);
1211
1212 /*
1213 * Initialize the fc transport attributes for the target
1214 * containing this scsi device. Also note that the driver's
1215 * target pointer is stored in the starget_data for the
1216 * driver's sysfs entry point functions.
1217 */
1218 rport->dev_loss_tmo = phba->cfg_nodev_tmo + 5;
1219
1220 return 0;
1221}
1222
1223static void
1224lpfc_slave_destroy(struct scsi_device *sdev)
1225{
1226 sdev->hostdata = NULL;
1227 return;
1228}
1229
1230struct scsi_host_template lpfc_template = {
1231 .module = THIS_MODULE,
1232 .name = LPFC_DRIVER_NAME,
1233 .info = lpfc_info,
1234 .queuecommand = lpfc_queuecommand,
1235 .eh_abort_handler = lpfc_abort_handler,
1236 .eh_device_reset_handler= lpfc_reset_lun_handler,
1237 .eh_bus_reset_handler = lpfc_reset_bus_handler,
1238 .slave_alloc = lpfc_slave_alloc,
1239 .slave_configure = lpfc_slave_configure,
1240 .slave_destroy = lpfc_slave_destroy,
1241 .this_id = -1,
1242 .sg_tablesize = LPFC_SG_SEG_CNT,
1243 .cmd_per_lun = LPFC_CMD_PER_LUN,
1244 .use_clustering = ENABLE_CLUSTERING,
1245 .shost_attrs = lpfc_host_attrs,
1246};
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
new file mode 100644
index 000000000000..4aafba47628d
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -0,0 +1,157 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_scsi.h 1.83 2005/04/07 08:47:43EDT sf_support Exp $
23 */
24
25struct lpfc_hba;
26
27#define list_remove_head(list, entry, type, member) \
28 if (!list_empty(list)) { \
29 entry = list_entry((list)->next, type, member); \
30 list_del_init(&entry->member); \
31 }
32
33#define list_get_first(list, type, member) \
34 (list_empty(list)) ? NULL : \
35 list_entry((list)->next, type, member)
36
37/* per-port data that is allocated in the FC transport for us */
38struct lpfc_rport_data {
39 struct lpfc_nodelist *pnode; /* Pointer to the node structure. */
40};
41
42struct fcp_rsp {
43 uint32_t rspRsvd1; /* FC Word 0, byte 0:3 */
44 uint32_t rspRsvd2; /* FC Word 1, byte 0:3 */
45
46 uint8_t rspStatus0; /* FCP_STATUS byte 0 (reserved) */
47 uint8_t rspStatus1; /* FCP_STATUS byte 1 (reserved) */
48 uint8_t rspStatus2; /* FCP_STATUS byte 2 field validity */
49#define RSP_LEN_VALID 0x01 /* bit 0 */
50#define SNS_LEN_VALID 0x02 /* bit 1 */
51#define RESID_OVER 0x04 /* bit 2 */
52#define RESID_UNDER 0x08 /* bit 3 */
53 uint8_t rspStatus3; /* FCP_STATUS byte 3 SCSI status byte */
54
55 uint32_t rspResId; /* Residual xfer if residual count field set in
56 fcpStatus2 */
57 /* Received in Big Endian format */
58 uint32_t rspSnsLen; /* Length of sense data in fcpSnsInfo */
59 /* Received in Big Endian format */
60 uint32_t rspRspLen; /* Length of FCP response data in fcpRspInfo */
61 /* Received in Big Endian format */
62
63 uint8_t rspInfo0; /* FCP_RSP_INFO byte 0 (reserved) */
64 uint8_t rspInfo1; /* FCP_RSP_INFO byte 1 (reserved) */
65 uint8_t rspInfo2; /* FCP_RSP_INFO byte 2 (reserved) */
66 uint8_t rspInfo3; /* FCP_RSP_INFO RSP_CODE byte 3 */
67
68#define RSP_NO_FAILURE 0x00
69#define RSP_DATA_BURST_ERR 0x01
70#define RSP_CMD_FIELD_ERR 0x02
71#define RSP_RO_MISMATCH_ERR 0x03
72#define RSP_TM_NOT_SUPPORTED 0x04 /* Task mgmt function not supported */
73#define RSP_TM_NOT_COMPLETED 0x05 /* Task mgmt function not performed */
74
75 uint32_t rspInfoRsvd; /* FCP_RSP_INFO bytes 4-7 (reserved) */
76
77 uint8_t rspSnsInfo[128];
78#define SNS_ILLEGAL_REQ 0x05 /* sense key is byte 3 ([2]) */
79#define SNSCOD_BADCMD 0x20 /* sense code is byte 13 ([12]) */
80};
81
82struct fcp_cmnd {
83 uint32_t fcpLunMsl; /* most significant lun word (32 bits) */
84 uint32_t fcpLunLsl; /* least significant lun word (32 bits) */
85 /* # of bits to shift lun id to end up in right
86 * payload word, little endian = 8, big = 16.
87 */
88#if __BIG_ENDIAN
89#define FC_LUN_SHIFT 16
90#define FC_ADDR_MODE_SHIFT 24
91#else /* __LITTLE_ENDIAN */
92#define FC_LUN_SHIFT 8
93#define FC_ADDR_MODE_SHIFT 0
94#endif
95
96 uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */
97 uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */
98#define SIMPLE_Q 0x00
99#define HEAD_OF_Q 0x01
100#define ORDERED_Q 0x02
101#define ACA_Q 0x04
102#define UNTAGGED 0x05
103 uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */
104#define FCP_ABORT_TASK_SET 0x02 /* Bit 1 */
105#define FCP_CLEAR_TASK_SET 0x04 /* bit 2 */
106#define FCP_BUS_RESET 0x08 /* bit 3 */
107#define FCP_LUN_RESET 0x10 /* bit 4 */
108#define FCP_TARGET_RESET 0x20 /* bit 5 */
109#define FCP_CLEAR_ACA 0x40 /* bit 6 */
110#define FCP_TERMINATE_TASK 0x80 /* bit 7 */
111 uint8_t fcpCntl3;
112#define WRITE_DATA 0x01 /* Bit 0 */
113#define READ_DATA 0x02 /* Bit 1 */
114
115 uint8_t fcpCdb[16]; /* SRB cdb field is copied here */
116 uint32_t fcpDl; /* Total transfer length */
117
118};
119
120struct lpfc_scsi_buf {
121 struct list_head list;
122 struct scsi_cmnd *pCmd;
123 struct lpfc_hba *scsi_hba;
124 struct lpfc_rport_data *rdata;
125
126 uint32_t timeout;
127
128 uint16_t status; /* From IOCB Word 7- ulpStatus */
129 uint32_t result; /* From IOCB Word 4. */
130
131 uint32_t seg_cnt; /* Number of scatter-gather segments returned by
132 * dma_map_sg. The driver needs this for calls
133 * to dma_unmap_sg. */
134 dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */
135
136 /*
137 * data and dma_handle are the kernel virutal and bus address of the
138 * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter
139 * gather bde list that supports the sg_tablesize value.
140 */
141 void *data;
142 dma_addr_t dma_handle;
143
144 struct fcp_cmnd *fcp_cmnd;
145 struct fcp_rsp *fcp_rsp;
146 struct ulp_bde64 *fcp_bpl;
147
148 /* cur_iocbq has phys of the dma-able buffer.
149 * Iotag is in here
150 */
151 struct lpfc_iocbq cur_iocbq;
152};
153
154#define LPFC_SCSI_DMA_EXT_SIZE 264
155#define LPFC_BPL_SIZE 1024
156
157#define MDAC_DIRECT_CMD 0x22
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
new file mode 100644
index 000000000000..8d14b28c80b9
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -0,0 +1,2885 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_sli.c 1.232 2005/04/13 11:59:16EDT sf_support Exp $
23 */
24
25#include <linux/blkdev.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28#include <linux/delay.h>
29
30#include <scsi/scsi_cmnd.h>
31#include <scsi/scsi_device.h>
32#include <scsi/scsi_host.h>
33
34#include "lpfc_hw.h"
35#include "lpfc_sli.h"
36#include "lpfc_disc.h"
37#include "lpfc_scsi.h"
38#include "lpfc.h"
39#include "lpfc_crtn.h"
40#include "lpfc_logmsg.h"
41#include "lpfc_compat.h"
42
43/*
44 * Define macro to log: Mailbox command x%x cannot issue Data
45 * This allows multiple uses of lpfc_msgBlk0311
46 * w/o perturbing log msg utility.
47 */
48#define LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) \
49 lpfc_printf_log(phba, \
50 KERN_INFO, \
51 LOG_MBOX | LOG_SLI, \
52 "%d:0311 Mailbox command x%x cannot issue " \
53 "Data: x%x x%x x%x\n", \
54 phba->brd_no, \
55 mb->mbxCommand, \
56 phba->hba_state, \
57 psli->sli_flag, \
58 flag);
59
60
61/* There are only four IOCB completion types. */
62typedef enum _lpfc_iocb_type {
63 LPFC_UNKNOWN_IOCB,
64 LPFC_UNSOL_IOCB,
65 LPFC_SOL_IOCB,
66 LPFC_ABORT_IOCB
67} lpfc_iocb_type;
68
69/*
70 * Translate the iocb command to an iocb command type used to decide the final
71 * disposition of each completed IOCB.
72 */
73static lpfc_iocb_type
74lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
75{
76 lpfc_iocb_type type = LPFC_UNKNOWN_IOCB;
77
78 if (iocb_cmnd > CMD_MAX_IOCB_CMD)
79 return 0;
80
81 switch (iocb_cmnd) {
82 case CMD_XMIT_SEQUENCE_CR:
83 case CMD_XMIT_SEQUENCE_CX:
84 case CMD_XMIT_BCAST_CN:
85 case CMD_XMIT_BCAST_CX:
86 case CMD_ELS_REQUEST_CR:
87 case CMD_ELS_REQUEST_CX:
88 case CMD_CREATE_XRI_CR:
89 case CMD_CREATE_XRI_CX:
90 case CMD_GET_RPI_CN:
91 case CMD_XMIT_ELS_RSP_CX:
92 case CMD_GET_RPI_CR:
93 case CMD_FCP_IWRITE_CR:
94 case CMD_FCP_IWRITE_CX:
95 case CMD_FCP_IREAD_CR:
96 case CMD_FCP_IREAD_CX:
97 case CMD_FCP_ICMND_CR:
98 case CMD_FCP_ICMND_CX:
99 case CMD_ADAPTER_MSG:
100 case CMD_ADAPTER_DUMP:
101 case CMD_XMIT_SEQUENCE64_CR:
102 case CMD_XMIT_SEQUENCE64_CX:
103 case CMD_XMIT_BCAST64_CN:
104 case CMD_XMIT_BCAST64_CX:
105 case CMD_ELS_REQUEST64_CR:
106 case CMD_ELS_REQUEST64_CX:
107 case CMD_FCP_IWRITE64_CR:
108 case CMD_FCP_IWRITE64_CX:
109 case CMD_FCP_IREAD64_CR:
110 case CMD_FCP_IREAD64_CX:
111 case CMD_FCP_ICMND64_CR:
112 case CMD_FCP_ICMND64_CX:
113 case CMD_GEN_REQUEST64_CR:
114 case CMD_GEN_REQUEST64_CX:
115 case CMD_XMIT_ELS_RSP64_CX:
116 type = LPFC_SOL_IOCB;
117 break;
118 case CMD_ABORT_XRI_CN:
119 case CMD_ABORT_XRI_CX:
120 case CMD_CLOSE_XRI_CN:
121 case CMD_CLOSE_XRI_CX:
122 case CMD_XRI_ABORTED_CX:
123 case CMD_ABORT_MXRI64_CN:
124 type = LPFC_ABORT_IOCB;
125 break;
126 case CMD_RCV_SEQUENCE_CX:
127 case CMD_RCV_ELS_REQ_CX:
128 case CMD_RCV_SEQUENCE64_CX:
129 case CMD_RCV_ELS_REQ64_CX:
130 type = LPFC_UNSOL_IOCB;
131 break;
132 default:
133 type = LPFC_UNKNOWN_IOCB;
134 break;
135 }
136
137 return type;
138}
139
140static int
141lpfc_sli_ring_map(struct lpfc_hba * phba, LPFC_MBOXQ_t *pmb)
142{
143 struct lpfc_sli *psli = &phba->sli;
144 MAILBOX_t *pmbox = &pmb->mb;
145 int i, rc;
146
147 for (i = 0; i < psli->num_rings; i++) {
148 phba->hba_state = LPFC_INIT_MBX_CMDS;
149 lpfc_config_ring(phba, i, pmb);
150 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
151 if (rc != MBX_SUCCESS) {
152 lpfc_printf_log(phba,
153 KERN_ERR,
154 LOG_INIT,
155 "%d:0446 Adapter failed to init, "
156 "mbxCmd x%x CFG_RING, mbxStatus x%x, "
157 "ring %d\n",
158 phba->brd_no,
159 pmbox->mbxCommand,
160 pmbox->mbxStatus,
161 i);
162 phba->hba_state = LPFC_HBA_ERROR;
163 return -ENXIO;
164 }
165 }
166 return 0;
167}
168
169static int
170lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba,
171 struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb)
172{
173 uint16_t iotag;
174
175 list_add_tail(&piocb->list, &pring->txcmplq);
176 pring->txcmplq_cnt++;
177 if (unlikely(pring->ringno == LPFC_ELS_RING))
178 mod_timer(&phba->els_tmofunc,
179 jiffies + HZ * (phba->fc_ratov << 1));
180
181 if (pring->fast_lookup) {
182 /* Setup fast lookup based on iotag for completion */
183 iotag = piocb->iocb.ulpIoTag;
184 if (iotag && (iotag < pring->fast_iotag))
185 *(pring->fast_lookup + iotag) = piocb;
186 else {
187
188 /* Cmd ring <ringno> put: iotag <iotag> greater then
189 configured max <fast_iotag> wd0 <icmd> */
190 lpfc_printf_log(phba,
191 KERN_ERR,
192 LOG_SLI,
193 "%d:0316 Cmd ring %d put: iotag x%x "
194 "greater then configured max x%x "
195 "wd0 x%x\n",
196 phba->brd_no,
197 pring->ringno, iotag,
198 pring->fast_iotag,
199 *(((uint32_t *)(&piocb->iocb)) + 7));
200 }
201 }
202 return (0);
203}
204
205static struct lpfc_iocbq *
206lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring)
207{
208 struct list_head *dlp;
209 struct lpfc_iocbq *cmd_iocb;
210
211 dlp = &pring->txq;
212 cmd_iocb = NULL;
213 list_remove_head((&pring->txq), cmd_iocb,
214 struct lpfc_iocbq,
215 list);
216 if (cmd_iocb) {
217 /* If the first ptr is not equal to the list header,
218 * deque the IOCBQ_t and return it.
219 */
220 pring->txq_cnt--;
221 }
222 return (cmd_iocb);
223}
224
225static IOCB_t *
226lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
227{
228 MAILBOX_t *mbox = (MAILBOX_t *)phba->sli.MBhostaddr;
229 PGP *pgp = (PGP *)&mbox->us.s2.port[pring->ringno];
230 uint32_t max_cmd_idx = pring->numCiocb;
231 IOCB_t *iocb = NULL;
232
233 if ((pring->next_cmdidx == pring->cmdidx) &&
234 (++pring->next_cmdidx >= max_cmd_idx))
235 pring->next_cmdidx = 0;
236
237 if (unlikely(pring->local_getidx == pring->next_cmdidx)) {
238
239 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
240
241 if (unlikely(pring->local_getidx >= max_cmd_idx)) {
242 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
243 "%d:0315 Ring %d issue: portCmdGet %d "
244 "is bigger then cmd ring %d\n",
245 phba->brd_no, pring->ringno,
246 pring->local_getidx, max_cmd_idx);
247
248 phba->hba_state = LPFC_HBA_ERROR;
249 /*
250 * All error attention handlers are posted to
251 * worker thread
252 */
253 phba->work_ha |= HA_ERATT;
254 phba->work_hs = HS_FFER3;
255 if (phba->work_wait)
256 wake_up(phba->work_wait);
257
258 return NULL;
259 }
260
261 if (pring->local_getidx == pring->next_cmdidx)
262 return NULL;
263 }
264
265 iocb = IOCB_ENTRY(pring->cmdringaddr, pring->cmdidx);
266
267 return iocb;
268}
269
270static uint32_t
271lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_sli_ring * pring)
272{
273 uint32_t search_start;
274
275 if (pring->fast_lookup == NULL) {
276 pring->iotag_ctr++;
277 if (pring->iotag_ctr >= pring->iotag_max)
278 pring->iotag_ctr = 1;
279 return pring->iotag_ctr;
280 }
281
282 search_start = pring->iotag_ctr;
283
284 do {
285 pring->iotag_ctr++;
286 if (pring->iotag_ctr >= pring->fast_iotag)
287 pring->iotag_ctr = 1;
288
289 if (*(pring->fast_lookup + pring->iotag_ctr) == NULL)
290 return pring->iotag_ctr;
291
292 } while (pring->iotag_ctr != search_start);
293
294 /*
295 * Outstanding I/O count for ring <ringno> is at max <fast_iotag>
296 */
297 lpfc_printf_log(phba,
298 KERN_ERR,
299 LOG_SLI,
300 "%d:0318 Outstanding I/O count for ring %d is at max x%x\n",
301 phba->brd_no,
302 pring->ringno,
303 pring->fast_iotag);
304 return (0);
305}
306
307static void
308lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
309 IOCB_t *iocb, struct lpfc_iocbq *nextiocb)
310{
311 /*
312 * Allocate and set up an iotag
313 */
314 nextiocb->iocb.ulpIoTag =
315 lpfc_sli_next_iotag(phba, &phba->sli.ring[phba->sli.fcp_ring]);
316
317 /*
318 * Issue iocb command to adapter
319 */
320 lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, sizeof (IOCB_t));
321 wmb();
322 pring->stats.iocb_cmd++;
323
324 /*
325 * If there is no completion routine to call, we can release the
326 * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF,
327 * that have no rsp ring completion, iocb_cmpl MUST be NULL.
328 */
329 if (nextiocb->iocb_cmpl)
330 lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb);
331 else {
332 list_add_tail(&nextiocb->list, &phba->lpfc_iocb_list);
333 }
334
335 /*
336 * Let the HBA know what IOCB slot will be the next one the
337 * driver will put a command into.
338 */
339 pring->cmdidx = pring->next_cmdidx;
340 writeb(pring->cmdidx, phba->MBslimaddr
341 + (SLIMOFF + (pring->ringno * 2)) * 4);
342}
343
344static void
345lpfc_sli_update_full_ring(struct lpfc_hba * phba,
346 struct lpfc_sli_ring *pring)
347{
348 int ringno = pring->ringno;
349
350 pring->flag |= LPFC_CALL_RING_AVAILABLE;
351
352 wmb();
353
354 /*
355 * Set ring 'ringno' to SET R0CE_REQ in Chip Att register.
356 * The HBA will tell us when an IOCB entry is available.
357 */
358 writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr);
359 readl(phba->CAregaddr); /* flush */
360
361 pring->stats.iocb_cmd_full++;
362}
363
364static void
365lpfc_sli_update_ring(struct lpfc_hba * phba,
366 struct lpfc_sli_ring *pring)
367{
368 int ringno = pring->ringno;
369
370 /*
371 * Tell the HBA that there is work to do in this ring.
372 */
373 wmb();
374 writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
375 readl(phba->CAregaddr); /* flush */
376}
377
378static void
379lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring)
380{
381 IOCB_t *iocb;
382 struct lpfc_iocbq *nextiocb;
383
384 /*
385 * Check to see if:
386 * (a) there is anything on the txq to send
387 * (b) link is up
388 * (c) link attention events can be processed (fcp ring only)
389 * (d) IOCB processing is not blocked by the outstanding mbox command.
390 */
391 if (pring->txq_cnt &&
392 (phba->hba_state > LPFC_LINK_DOWN) &&
393 (pring->ringno != phba->sli.fcp_ring ||
394 phba->sli.sli_flag & LPFC_PROCESS_LA) &&
395 !(pring->flag & LPFC_STOP_IOCB_MBX)) {
396
397 while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
398 (nextiocb = lpfc_sli_ringtx_get(phba, pring)))
399 lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
400
401 if (iocb)
402 lpfc_sli_update_ring(phba, pring);
403 else
404 lpfc_sli_update_full_ring(phba, pring);
405 }
406
407 return;
408}
409
410/* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */
411static void
412lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno)
413{
414 PGP *pgp =
415 ((PGP *) &
416 (((MAILBOX_t *)phba->sli.MBhostaddr)->us.s2.port[ringno]));
417
418 /* If the ring is active, flag it */
419 if (phba->sli.ring[ringno].cmdringaddr) {
420 if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) {
421 phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX;
422 /*
423 * Force update of the local copy of cmdGetInx
424 */
425 phba->sli.ring[ringno].local_getidx
426 = le32_to_cpu(pgp->cmdGetInx);
427 spin_lock_irq(phba->host->host_lock);
428 lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]);
429 spin_unlock_irq(phba->host->host_lock);
430 }
431 }
432}
433
434static int
435lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
436{
437 uint8_t ret;
438
439 switch (mbxCommand) {
440 case MBX_LOAD_SM:
441 case MBX_READ_NV:
442 case MBX_WRITE_NV:
443 case MBX_RUN_BIU_DIAG:
444 case MBX_INIT_LINK:
445 case MBX_DOWN_LINK:
446 case MBX_CONFIG_LINK:
447 case MBX_CONFIG_RING:
448 case MBX_RESET_RING:
449 case MBX_READ_CONFIG:
450 case MBX_READ_RCONFIG:
451 case MBX_READ_SPARM:
452 case MBX_READ_STATUS:
453 case MBX_READ_RPI:
454 case MBX_READ_XRI:
455 case MBX_READ_REV:
456 case MBX_READ_LNK_STAT:
457 case MBX_REG_LOGIN:
458 case MBX_UNREG_LOGIN:
459 case MBX_READ_LA:
460 case MBX_CLEAR_LA:
461 case MBX_DUMP_MEMORY:
462 case MBX_DUMP_CONTEXT:
463 case MBX_RUN_DIAGS:
464 case MBX_RESTART:
465 case MBX_UPDATE_CFG:
466 case MBX_DOWN_LOAD:
467 case MBX_DEL_LD_ENTRY:
468 case MBX_RUN_PROGRAM:
469 case MBX_SET_MASK:
470 case MBX_SET_SLIM:
471 case MBX_UNREG_D_ID:
472 case MBX_CONFIG_FARP:
473 case MBX_LOAD_AREA:
474 case MBX_RUN_BIU_DIAG64:
475 case MBX_CONFIG_PORT:
476 case MBX_READ_SPARM64:
477 case MBX_READ_RPI64:
478 case MBX_REG_LOGIN64:
479 case MBX_READ_LA64:
480 case MBX_FLASH_WR_ULA:
481 case MBX_SET_DEBUG:
482 case MBX_LOAD_EXP_ROM:
483 ret = mbxCommand;
484 break;
485 default:
486 ret = MBX_SHUTDOWN;
487 break;
488 }
489 return (ret);
490}
491static void
492lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
493{
494 wait_queue_head_t *pdone_q;
495
496 /*
497 * If pdone_q is empty, the driver thread gave up waiting and
498 * continued running.
499 */
500 pdone_q = (wait_queue_head_t *) pmboxq->context1;
501 if (pdone_q)
502 wake_up_interruptible(pdone_q);
503 return;
504}
505
506void
507lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
508{
509 struct lpfc_dmabuf *mp;
510 mp = (struct lpfc_dmabuf *) (pmb->context1);
511 if (mp) {
512 lpfc_mbuf_free(phba, mp->virt, mp->phys);
513 kfree(mp);
514 }
515 mempool_free( pmb, phba->mbox_mem_pool);
516 return;
517}
518
519int
520lpfc_sli_handle_mb_event(struct lpfc_hba * phba)
521{
522 MAILBOX_t *mbox;
523 MAILBOX_t *pmbox;
524 LPFC_MBOXQ_t *pmb;
525 struct lpfc_sli *psli;
526 int i, rc;
527 uint32_t process_next;
528
529 psli = &phba->sli;
530 /* We should only get here if we are in SLI2 mode */
531 if (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE)) {
532 return (1);
533 }
534
535 phba->sli.slistat.mbox_event++;
536
537 /* Get a Mailbox buffer to setup mailbox commands for callback */
538 if ((pmb = phba->sli.mbox_active)) {
539 pmbox = &pmb->mb;
540 mbox = (MAILBOX_t *) phba->sli.MBhostaddr;
541
542 /* First check out the status word */
543 lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t));
544
545 /* Sanity check to ensure the host owns the mailbox */
546 if (pmbox->mbxOwner != OWN_HOST) {
547 /* Lets try for a while */
548 for (i = 0; i < 10240; i++) {
549 /* First copy command data */
550 lpfc_sli_pcimem_bcopy(mbox, pmbox,
551 sizeof (uint32_t));
552 if (pmbox->mbxOwner == OWN_HOST)
553 goto mbout;
554 }
555 /* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus
556 <status> */
557 lpfc_printf_log(phba,
558 KERN_ERR,
559 LOG_MBOX | LOG_SLI,
560 "%d:0304 Stray Mailbox Interrupt "
561 "mbxCommand x%x mbxStatus x%x\n",
562 phba->brd_no,
563 pmbox->mbxCommand,
564 pmbox->mbxStatus);
565
566 spin_lock_irq(phba->host->host_lock);
567 phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE;
568 spin_unlock_irq(phba->host->host_lock);
569 return (1);
570 }
571
572 mbout:
573 del_timer_sync(&phba->sli.mbox_tmo);
574 phba->work_hba_events &= ~WORKER_MBOX_TMO;
575
576 /*
577 * It is a fatal error if unknown mbox command completion.
578 */
579 if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) ==
580 MBX_SHUTDOWN) {
581
582 /* Unknow mailbox command compl */
583 lpfc_printf_log(phba,
584 KERN_ERR,
585 LOG_MBOX | LOG_SLI,
586 "%d:0323 Unknown Mailbox command %x Cmpl\n",
587 phba->brd_no,
588 pmbox->mbxCommand);
589 phba->hba_state = LPFC_HBA_ERROR;
590 phba->work_hs = HS_FFER3;
591 lpfc_handle_eratt(phba);
592 return (0);
593 }
594
595 phba->sli.mbox_active = NULL;
596 if (pmbox->mbxStatus) {
597 phba->sli.slistat.mbox_stat_err++;
598 if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) {
599 /* Mbox cmd cmpl error - RETRYing */
600 lpfc_printf_log(phba,
601 KERN_INFO,
602 LOG_MBOX | LOG_SLI,
603 "%d:0305 Mbox cmd cmpl error - "
604 "RETRYing Data: x%x x%x x%x x%x\n",
605 phba->brd_no,
606 pmbox->mbxCommand,
607 pmbox->mbxStatus,
608 pmbox->un.varWords[0],
609 phba->hba_state);
610 pmbox->mbxStatus = 0;
611 pmbox->mbxOwner = OWN_HOST;
612 spin_lock_irq(phba->host->host_lock);
613 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
614 spin_unlock_irq(phba->host->host_lock);
615 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
616 if (rc == MBX_SUCCESS)
617 return (0);
618 }
619 }
620
621 /* Mailbox cmd <cmd> Cmpl <cmpl> */
622 lpfc_printf_log(phba,
623 KERN_INFO,
624 LOG_MBOX | LOG_SLI,
625 "%d:0307 Mailbox cmd x%x Cmpl x%p "
626 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n",
627 phba->brd_no,
628 pmbox->mbxCommand,
629 pmb->mbox_cmpl,
630 *((uint32_t *) pmbox),
631 pmbox->un.varWords[0],
632 pmbox->un.varWords[1],
633 pmbox->un.varWords[2],
634 pmbox->un.varWords[3],
635 pmbox->un.varWords[4],
636 pmbox->un.varWords[5],
637 pmbox->un.varWords[6],
638 pmbox->un.varWords[7]);
639
640 if (pmb->mbox_cmpl) {
641 lpfc_sli_pcimem_bcopy(mbox, pmbox, MAILBOX_CMD_SIZE);
642 pmb->mbox_cmpl(phba,pmb);
643 }
644 }
645
646
647 do {
648 process_next = 0; /* by default don't loop */
649 spin_lock_irq(phba->host->host_lock);
650 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
651
652 /* Process next mailbox command if there is one */
653 if ((pmb = lpfc_mbox_get(phba))) {
654 spin_unlock_irq(phba->host->host_lock);
655 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
656 if (rc == MBX_NOT_FINISHED) {
657 pmb->mb.mbxStatus = MBX_NOT_FINISHED;
658 pmb->mbox_cmpl(phba,pmb);
659 process_next = 1;
660 continue; /* loop back */
661 }
662 } else {
663 spin_unlock_irq(phba->host->host_lock);
664 /* Turn on IOCB processing */
665 for (i = 0; i < phba->sli.num_rings; i++) {
666 lpfc_sli_turn_on_ring(phba, i);
667 }
668
669 /* Free any lpfc_dmabuf's waiting for mbox cmd cmpls */
670 while (!list_empty(&phba->freebufList)) {
671 struct lpfc_dmabuf *mp;
672
673 mp = NULL;
674 list_remove_head((&phba->freebufList),
675 mp,
676 struct lpfc_dmabuf,
677 list);
678 if (mp) {
679 lpfc_mbuf_free(phba, mp->virt,
680 mp->phys);
681 kfree(mp);
682 }
683 }
684 }
685
686 } while (process_next);
687
688 return (0);
689}
690static int
691lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
692 struct lpfc_iocbq *saveq)
693{
694 IOCB_t * irsp;
695 WORD5 * w5p;
696 uint32_t Rctl, Type;
697 uint32_t match, i;
698
699 match = 0;
700 irsp = &(saveq->iocb);
701 if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX)
702 || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)) {
703 Rctl = FC_ELS_REQ;
704 Type = FC_ELS_DATA;
705 } else {
706 w5p =
707 (WORD5 *) & (saveq->iocb.un.
708 ulpWord[5]);
709 Rctl = w5p->hcsw.Rctl;
710 Type = w5p->hcsw.Type;
711
712 /* Firmware Workaround */
713 if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) &&
714 (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX)) {
715 Rctl = FC_ELS_REQ;
716 Type = FC_ELS_DATA;
717 w5p->hcsw.Rctl = Rctl;
718 w5p->hcsw.Type = Type;
719 }
720 }
721 /* unSolicited Responses */
722 if (pring->prt[0].profile) {
723 (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, saveq);
724 match = 1;
725 } else {
726 /* We must search, based on rctl / type
727 for the right routine */
728 for (i = 0; i < pring->num_mask;
729 i++) {
730 if ((pring->prt[i].rctl ==
731 Rctl)
732 && (pring->prt[i].
733 type == Type)) {
734 (pring->prt[i].lpfc_sli_rcv_unsol_event)
735 (phba, pring, saveq);
736 match = 1;
737 break;
738 }
739 }
740 }
741 if (match == 0) {
742 /* Unexpected Rctl / Type received */
743 /* Ring <ringno> handler: unexpected
744 Rctl <Rctl> Type <Type> received */
745 lpfc_printf_log(phba,
746 KERN_WARNING,
747 LOG_SLI,
748 "%d:0313 Ring %d handler: unexpected Rctl x%x "
749 "Type x%x received \n",
750 phba->brd_no,
751 pring->ringno,
752 Rctl,
753 Type);
754 }
755 return(1);
756}
757
758static struct lpfc_iocbq *
759lpfc_sli_txcmpl_ring_search_slow(struct lpfc_sli_ring * pring,
760 struct lpfc_iocbq * prspiocb)
761{
762 IOCB_t *icmd = NULL;
763 IOCB_t *irsp = NULL;
764 struct lpfc_iocbq *cmd_iocb;
765 struct lpfc_iocbq *iocb, *next_iocb;
766 uint16_t iotag;
767
768 irsp = &prspiocb->iocb;
769 iotag = irsp->ulpIoTag;
770 cmd_iocb = NULL;
771
772 /* Search through txcmpl from the begining */
773 list_for_each_entry_safe(iocb, next_iocb, &(pring->txcmplq), list) {
774 icmd = &iocb->iocb;
775 if (iotag == icmd->ulpIoTag) {
776 /* Found a match. */
777 cmd_iocb = iocb;
778 list_del(&iocb->list);
779 pring->txcmplq_cnt--;
780 break;
781 }
782 }
783
784 return (cmd_iocb);
785}
786
787static struct lpfc_iocbq *
788lpfc_sli_txcmpl_ring_iotag_lookup(struct lpfc_hba * phba,
789 struct lpfc_sli_ring * pring,
790 struct lpfc_iocbq * prspiocb)
791{
792 IOCB_t *irsp = NULL;
793 struct lpfc_iocbq *cmd_iocb = NULL;
794 uint16_t iotag;
795
796 if (unlikely(pring->fast_lookup == NULL))
797 return NULL;
798
799 /* Use fast lookup based on iotag for completion */
800 irsp = &prspiocb->iocb;
801 iotag = irsp->ulpIoTag;
802 if (iotag < pring->fast_iotag) {
803 cmd_iocb = *(pring->fast_lookup + iotag);
804 *(pring->fast_lookup + iotag) = NULL;
805 if (cmd_iocb) {
806 list_del(&cmd_iocb->list);
807 pring->txcmplq_cnt--;
808 return cmd_iocb;
809 } else {
810 /*
811 * This is clearly an error. A ring that uses iotags
812 * should never have a interrupt for a completion that
813 * is not on the ring. Return NULL and log a error.
814 */
815 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
816 "%d:0327 Rsp ring %d error - command "
817 "completion for iotag x%x not found\n",
818 phba->brd_no, pring->ringno, iotag);
819 return NULL;
820 }
821 }
822
823 /*
824 * Rsp ring <ringno> get: iotag <iotag> greater then
825 * configured max <fast_iotag> wd0 <irsp>. This is an
826 * error. Just return NULL.
827 */
828 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
829 "%d:0317 Rsp ring %d get: iotag x%x greater then "
830 "configured max x%x wd0 x%x\n",
831 phba->brd_no, pring->ringno, iotag, pring->fast_iotag,
832 *(((uint32_t *) irsp) + 7));
833 return NULL;
834}
835
836static int
837lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring,
838 struct lpfc_iocbq *saveq)
839{
840 struct lpfc_iocbq * cmdiocbp;
841 int rc = 1;
842 unsigned long iflag;
843
844 /* Based on the iotag field, get the cmd IOCB from the txcmplq */
845 spin_lock_irqsave(phba->host->host_lock, iflag);
846 cmdiocbp = lpfc_sli_txcmpl_ring_search_slow(pring, saveq);
847 if (cmdiocbp) {
848 if (cmdiocbp->iocb_cmpl) {
849 /*
850 * Post all ELS completions to the worker thread.
851 * All other are passed to the completion callback.
852 */
853 if (pring->ringno == LPFC_ELS_RING) {
854 spin_unlock_irqrestore(phba->host->host_lock,
855 iflag);
856 (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
857 spin_lock_irqsave(phba->host->host_lock, iflag);
858 }
859 else {
860 if (cmdiocbp->iocb_flag & LPFC_IO_POLL)
861 rc = 0;
862
863 spin_unlock_irqrestore(phba->host->host_lock,
864 iflag);
865 (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
866 spin_lock_irqsave(phba->host->host_lock, iflag);
867 }
868 } else {
869 list_add_tail(&cmdiocbp->list, &phba->lpfc_iocb_list);
870 }
871 } else {
872 /*
873 * Unknown initiating command based on the response iotag.
874 * This could be the case on the ELS ring because of
875 * lpfc_els_abort().
876 */
877 if (pring->ringno != LPFC_ELS_RING) {
878 /*
879 * Ring <ringno> handler: unexpected completion IoTag
880 * <IoTag>
881 */
882 lpfc_printf_log(phba,
883 KERN_WARNING,
884 LOG_SLI,
885 "%d:0322 Ring %d handler: unexpected "
886 "completion IoTag x%x Data: x%x x%x x%x x%x\n",
887 phba->brd_no,
888 pring->ringno,
889 saveq->iocb.ulpIoTag,
890 saveq->iocb.ulpStatus,
891 saveq->iocb.un.ulpWord[4],
892 saveq->iocb.ulpCommand,
893 saveq->iocb.ulpContext);
894 }
895 }
896 spin_unlock_irqrestore(phba->host->host_lock, iflag);
897 return rc;
898}
899
900/*
901 * This routine presumes LPFC_FCP_RING handling and doesn't bother
902 * to check it explicitly.
903 */
904static int
905lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
906 struct lpfc_sli_ring * pring, uint32_t mask)
907{
908 IOCB_t *irsp = NULL;
909 struct lpfc_iocbq *cmdiocbq = NULL;
910 struct lpfc_iocbq rspiocbq;
911 PGP *pgp;
912 uint32_t status;
913 uint32_t portRspPut, portRspMax;
914 int rc = 1;
915 lpfc_iocb_type type;
916 unsigned long iflag;
917 uint32_t rsp_cmpl = 0;
918 void __iomem *to_slim;
919
920 spin_lock_irqsave(phba->host->host_lock, iflag);
921 pring->stats.iocb_event++;
922
923 /* The driver assumes SLI-2 mode */
924 pgp = (PGP *) &((MAILBOX_t *) phba->sli.MBhostaddr)
925 ->us.s2.port[pring->ringno];
926
927 /*
928 * The next available response entry should never exceed the maximum
929 * entries. If it does, treat it as an adapter hardware error.
930 */
931 portRspMax = pring->numRiocb;
932 portRspPut = le32_to_cpu(pgp->rspPutInx);
933 if (unlikely(portRspPut >= portRspMax)) {
934 /*
935 * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
936 * rsp ring <portRspMax>
937 */
938 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
939 "%d:0312 Ring %d handler: portRspPut %d "
940 "is bigger then rsp ring %d\n",
941 phba->brd_no, pring->ringno, portRspPut,
942 portRspMax);
943
944 phba->hba_state = LPFC_HBA_ERROR;
945
946 /* All error attention handlers are posted to worker thread */
947 phba->work_ha |= HA_ERATT;
948 phba->work_hs = HS_FFER3;
949 if (phba->work_wait)
950 wake_up(phba->work_wait);
951
952 spin_unlock_irqrestore(phba->host->host_lock, iflag);
953 return 1;
954 }
955
956 rmb();
957 while (pring->rspidx != portRspPut) {
958 irsp = (IOCB_t *) IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
959 type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
960 pring->stats.iocb_rsp++;
961 rsp_cmpl++;
962
963 if (unlikely(irsp->ulpStatus)) {
964 /* Rsp ring <ringno> error: IOCB */
965 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
966 "%d:0326 Rsp Ring %d error: IOCB Data: "
967 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
968 phba->brd_no, pring->ringno,
969 irsp->un.ulpWord[0], irsp->un.ulpWord[1],
970 irsp->un.ulpWord[2], irsp->un.ulpWord[3],
971 irsp->un.ulpWord[4], irsp->un.ulpWord[5],
972 *(((uint32_t *) irsp) + 6),
973 *(((uint32_t *) irsp) + 7));
974 }
975
976 switch (type) {
977 case LPFC_ABORT_IOCB:
978 case LPFC_SOL_IOCB:
979 /*
980 * Idle exchange closed via ABTS from port. No iocb
981 * resources need to be recovered.
982 */
983 if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
984 printk(KERN_INFO "%s: IOCB cmd 0x%x processed. "
985 "Skipping completion\n", __FUNCTION__,
986 irsp->ulpCommand);
987 break;
988 }
989
990 rspiocbq.iocb.un.ulpWord[4] = irsp->un.ulpWord[4];
991 rspiocbq.iocb.ulpStatus = irsp->ulpStatus;
992 rspiocbq.iocb.ulpContext = irsp->ulpContext;
993 rspiocbq.iocb.ulpIoTag = irsp->ulpIoTag;
994 cmdiocbq = lpfc_sli_txcmpl_ring_iotag_lookup(phba,
995 pring,
996 &rspiocbq);
997 if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
998 spin_unlock_irqrestore(
999 phba->host->host_lock, iflag);
1000 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
1001 &rspiocbq);
1002 spin_lock_irqsave(phba->host->host_lock,
1003 iflag);
1004 }
1005 break;
1006 default:
1007 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
1008 char adaptermsg[LPFC_MAX_ADPTMSG];
1009 memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
1010 memcpy(&adaptermsg[0], (uint8_t *) irsp,
1011 MAX_MSG_DATA);
1012 dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s",
1013 phba->brd_no, adaptermsg);
1014 } else {
1015 /* Unknown IOCB command */
1016 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1017 "%d:0321 Unknown IOCB command "
1018 "Data: x%x, x%x x%x x%x x%x\n",
1019 phba->brd_no, type, irsp->ulpCommand,
1020 irsp->ulpStatus, irsp->ulpIoTag,
1021 irsp->ulpContext);
1022 }
1023 break;
1024 }
1025
1026 /*
1027 * The response IOCB has been processed. Update the ring
1028 * pointer in SLIM. If the port response put pointer has not
1029 * been updated, sync the pgp->rspPutInx and fetch the new port
1030 * response put pointer.
1031 */
1032 if (++pring->rspidx >= portRspMax)
1033 pring->rspidx = 0;
1034
1035 to_slim = phba->MBslimaddr +
1036 (SLIMOFF + (pring->ringno * 2) + 1) * 4;
1037 writeb(pring->rspidx, to_slim);
1038
1039 if (pring->rspidx == portRspPut)
1040 portRspPut = le32_to_cpu(pgp->rspPutInx);
1041 }
1042
1043 if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) {
1044 pring->stats.iocb_rsp_full++;
1045 status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4));
1046 writel(status, phba->CAregaddr);
1047 readl(phba->CAregaddr);
1048 }
1049 if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
1050 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
1051 pring->stats.iocb_cmd_empty++;
1052
1053 /* Force update of the local copy of cmdGetInx */
1054 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
1055 lpfc_sli_resume_iocb(phba, pring);
1056
1057 if ((pring->lpfc_sli_cmd_available))
1058 (pring->lpfc_sli_cmd_available) (phba, pring);
1059
1060 }
1061
1062 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1063 return rc;
1064}
1065
1066
1067int
1068lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
1069 struct lpfc_sli_ring * pring, uint32_t mask)
1070{
1071 IOCB_t *entry;
1072 IOCB_t *irsp = NULL;
1073 struct lpfc_iocbq *rspiocbp = NULL;
1074 struct lpfc_iocbq *next_iocb;
1075 struct lpfc_iocbq *cmdiocbp;
1076 struct lpfc_iocbq *saveq;
1077 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
1078 HGP *hgp;
1079 PGP *pgp;
1080 MAILBOX_t *mbox;
1081 uint8_t iocb_cmd_type;
1082 lpfc_iocb_type type;
1083 uint32_t status, free_saveq;
1084 uint32_t portRspPut, portRspMax;
1085 int rc = 1;
1086 unsigned long iflag;
1087 void __iomem *to_slim;
1088
1089 spin_lock_irqsave(phba->host->host_lock, iflag);
1090 pring->stats.iocb_event++;
1091
1092 /* The driver assumes SLI-2 mode */
1093 mbox = (MAILBOX_t *) phba->sli.MBhostaddr;
1094 pgp = (PGP *) & mbox->us.s2.port[pring->ringno];
1095 hgp = (HGP *) & mbox->us.s2.host[pring->ringno];
1096
1097 /*
1098 * The next available response entry should never exceed the maximum
1099 * entries. If it does, treat it as an adapter hardware error.
1100 */
1101 portRspMax = pring->numRiocb;
1102 portRspPut = le32_to_cpu(pgp->rspPutInx);
1103 if (portRspPut >= portRspMax) {
1104 /*
1105 * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
1106 * rsp ring <portRspMax>
1107 */
1108 lpfc_printf_log(phba,
1109 KERN_ERR,
1110 LOG_SLI,
1111 "%d:0312 Ring %d handler: portRspPut %d "
1112 "is bigger then rsp ring %d\n",
1113 phba->brd_no,
1114 pring->ringno, portRspPut, portRspMax);
1115
1116 phba->hba_state = LPFC_HBA_ERROR;
1117 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1118
1119 phba->work_hs = HS_FFER3;
1120 lpfc_handle_eratt(phba);
1121
1122 return 1;
1123 }
1124
1125 rmb();
1126 lpfc_iocb_list = &phba->lpfc_iocb_list;
1127 while (pring->rspidx != portRspPut) {
1128 /*
1129 * Build a completion list and call the appropriate handler.
1130 * The process is to get the next available response iocb, get
1131 * a free iocb from the list, copy the response data into the
1132 * free iocb, insert to the continuation list, and update the
1133 * next response index to slim. This process makes response
1134 * iocb's in the ring available to DMA as fast as possible but
1135 * pays a penalty for a copy operation. Since the iocb is
1136 * only 32 bytes, this penalty is considered small relative to
1137 * the PCI reads for register values and a slim write. When
1138 * the ulpLe field is set, the entire Command has been
1139 * received.
1140 */
1141 entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
1142 list_remove_head(lpfc_iocb_list, rspiocbp, struct lpfc_iocbq,
1143 list);
1144 if (rspiocbp == NULL) {
1145 printk(KERN_ERR "%s: out of buffers! Failing "
1146 "completion.\n", __FUNCTION__);
1147 break;
1148 }
1149
1150 lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, sizeof (IOCB_t));
1151 irsp = &rspiocbp->iocb;
1152
1153 if (++pring->rspidx >= portRspMax)
1154 pring->rspidx = 0;
1155
1156 to_slim = phba->MBslimaddr + (SLIMOFF + (pring->ringno * 2)
1157 + 1) * 4;
1158 writeb(pring->rspidx, to_slim);
1159
1160 if (list_empty(&(pring->iocb_continueq))) {
1161 list_add(&rspiocbp->list, &(pring->iocb_continueq));
1162 } else {
1163 list_add_tail(&rspiocbp->list,
1164 &(pring->iocb_continueq));
1165 }
1166
1167 pring->iocb_continueq_cnt++;
1168 if (irsp->ulpLe) {
1169 /*
1170 * By default, the driver expects to free all resources
1171 * associated with this iocb completion.
1172 */
1173 free_saveq = 1;
1174 saveq = list_get_first(&pring->iocb_continueq,
1175 struct lpfc_iocbq, list);
1176 irsp = &(saveq->iocb);
1177 list_del_init(&pring->iocb_continueq);
1178 pring->iocb_continueq_cnt = 0;
1179
1180 pring->stats.iocb_rsp++;
1181
1182 if (irsp->ulpStatus) {
1183 /* Rsp ring <ringno> error: IOCB */
1184 lpfc_printf_log(phba,
1185 KERN_WARNING,
1186 LOG_SLI,
1187 "%d:0328 Rsp Ring %d error: IOCB Data: "
1188 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
1189 phba->brd_no,
1190 pring->ringno,
1191 irsp->un.ulpWord[0],
1192 irsp->un.ulpWord[1],
1193 irsp->un.ulpWord[2],
1194 irsp->un.ulpWord[3],
1195 irsp->un.ulpWord[4],
1196 irsp->un.ulpWord[5],
1197 *(((uint32_t *) irsp) + 6),
1198 *(((uint32_t *) irsp) + 7));
1199 }
1200
1201 /*
1202 * Fetch the IOCB command type and call the correct
1203 * completion routine. Solicited and Unsolicited
1204 * IOCBs on the ELS ring get freed back to the
1205 * lpfc_iocb_list by the discovery kernel thread.
1206 */
1207 iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK;
1208 type = lpfc_sli_iocb_cmd_type(iocb_cmd_type);
1209 if (type == LPFC_SOL_IOCB) {
1210 spin_unlock_irqrestore(phba->host->host_lock,
1211 iflag);
1212 rc = lpfc_sli_process_sol_iocb(phba, pring,
1213 saveq);
1214 spin_lock_irqsave(phba->host->host_lock, iflag);
1215 } else if (type == LPFC_UNSOL_IOCB) {
1216 spin_unlock_irqrestore(phba->host->host_lock,
1217 iflag);
1218 rc = lpfc_sli_process_unsol_iocb(phba, pring,
1219 saveq);
1220 spin_lock_irqsave(phba->host->host_lock, iflag);
1221 } else if (type == LPFC_ABORT_IOCB) {
1222 if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) &&
1223 ((cmdiocbp =
1224 lpfc_sli_txcmpl_ring_search_slow(pring,
1225 saveq)))) {
1226 /* Call the specified completion
1227 routine */
1228 if (cmdiocbp->iocb_cmpl) {
1229 spin_unlock_irqrestore(
1230 phba->host->host_lock,
1231 iflag);
1232 (cmdiocbp->iocb_cmpl) (phba,
1233 cmdiocbp, saveq);
1234 spin_lock_irqsave(
1235 phba->host->host_lock,
1236 iflag);
1237 } else {
1238 list_add_tail(&cmdiocbp->list,
1239 lpfc_iocb_list);
1240 }
1241 }
1242 } else if (type == LPFC_UNKNOWN_IOCB) {
1243 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
1244
1245 char adaptermsg[LPFC_MAX_ADPTMSG];
1246
1247 memset(adaptermsg, 0,
1248 LPFC_MAX_ADPTMSG);
1249 memcpy(&adaptermsg[0], (uint8_t *) irsp,
1250 MAX_MSG_DATA);
1251 dev_warn(&((phba->pcidev)->dev),
1252 "lpfc%d: %s",
1253 phba->brd_no, adaptermsg);
1254 } else {
1255 /* Unknown IOCB command */
1256 lpfc_printf_log(phba,
1257 KERN_ERR,
1258 LOG_SLI,
1259 "%d:0321 Unknown IOCB command "
1260 "Data: x%x x%x x%x x%x\n",
1261 phba->brd_no,
1262 irsp->ulpCommand,
1263 irsp->ulpStatus,
1264 irsp->ulpIoTag,
1265 irsp->ulpContext);
1266 }
1267 }
1268
1269 if (free_saveq) {
1270 if (!list_empty(&saveq->list)) {
1271 list_for_each_entry_safe(rspiocbp,
1272 next_iocb,
1273 &saveq->list,
1274 list) {
1275 list_add_tail(&rspiocbp->list,
1276 lpfc_iocb_list);
1277 }
1278 }
1279
1280 list_add_tail(&saveq->list, lpfc_iocb_list);
1281 }
1282 }
1283
1284 /*
1285 * If the port response put pointer has not been updated, sync
1286 * the pgp->rspPutInx in the MAILBOX_tand fetch the new port
1287 * response put pointer.
1288 */
1289 if (pring->rspidx == portRspPut) {
1290 portRspPut = le32_to_cpu(pgp->rspPutInx);
1291 }
1292 } /* while (pring->rspidx != portRspPut) */
1293
1294 if ((rspiocbp != 0) && (mask & HA_R0RE_REQ)) {
1295 /* At least one response entry has been freed */
1296 pring->stats.iocb_rsp_full++;
1297 /* SET RxRE_RSP in Chip Att register */
1298 status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4));
1299 writel(status, phba->CAregaddr);
1300 readl(phba->CAregaddr); /* flush */
1301 }
1302 if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
1303 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
1304 pring->stats.iocb_cmd_empty++;
1305
1306 /* Force update of the local copy of cmdGetInx */
1307 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
1308 lpfc_sli_resume_iocb(phba, pring);
1309
1310 if ((pring->lpfc_sli_cmd_available))
1311 (pring->lpfc_sli_cmd_available) (phba, pring);
1312
1313 }
1314
1315 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1316 return rc;
1317}
1318
1319int
1320lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1321{
1322 struct lpfc_iocbq *iocb, *next_iocb;
1323 IOCB_t *icmd = NULL, *cmd = NULL;
1324 int errcnt;
1325 uint16_t iotag;
1326
1327 errcnt = 0;
1328
1329 /* Error everything on txq and txcmplq
1330 * First do the txq.
1331 */
1332 spin_lock_irq(phba->host->host_lock);
1333 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
1334 list_del_init(&iocb->list);
1335 if (iocb->iocb_cmpl) {
1336 icmd = &iocb->iocb;
1337 icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
1338 icmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
1339 spin_unlock_irq(phba->host->host_lock);
1340 (iocb->iocb_cmpl) (phba, iocb, iocb);
1341 spin_lock_irq(phba->host->host_lock);
1342 } else {
1343 list_add_tail(&iocb->list, &phba->lpfc_iocb_list);
1344 }
1345 }
1346 pring->txq_cnt = 0;
1347 INIT_LIST_HEAD(&(pring->txq));
1348
1349 /* Next issue ABTS for everything on the txcmplq */
1350 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
1351 cmd = &iocb->iocb;
1352
1353 /*
1354 * Imediate abort of IOCB, clear fast_lookup entry,
1355 * if any, deque and call compl
1356 */
1357 iotag = cmd->ulpIoTag;
1358 if (iotag && pring->fast_lookup &&
1359 (iotag < pring->fast_iotag))
1360 pring->fast_lookup[iotag] = NULL;
1361
1362 list_del_init(&iocb->list);
1363 pring->txcmplq_cnt--;
1364
1365 if (iocb->iocb_cmpl) {
1366 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
1367 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
1368 spin_unlock_irq(phba->host->host_lock);
1369 (iocb->iocb_cmpl) (phba, iocb, iocb);
1370 spin_lock_irq(phba->host->host_lock);
1371 } else {
1372 list_add_tail(&iocb->list, &phba->lpfc_iocb_list);
1373 }
1374 }
1375
1376 INIT_LIST_HEAD(&pring->txcmplq);
1377 pring->txcmplq_cnt = 0;
1378 spin_unlock_irq(phba->host->host_lock);
1379
1380 return errcnt;
1381}
1382
1383/******************************************************************************
1384* lpfc_sli_send_reset
1385*
1386* Note: After returning from this function, the HBA cannot be accessed for
1387* 1 ms. Since we do not wish to delay in interrupt context, it is the
1388* responsibility of the caller to perform the mdelay(1) and flush via readl().
1389******************************************************************************/
1390static int
1391lpfc_sli_send_reset(struct lpfc_hba * phba, uint16_t skip_post)
1392{
1393 MAILBOX_t *swpmb;
1394 volatile uint32_t word0;
1395 void __iomem *to_slim;
1396 unsigned long flags = 0;
1397
1398 spin_lock_irqsave(phba->host->host_lock, flags);
1399
1400 /* A board reset must use REAL SLIM. */
1401 phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
1402
1403 word0 = 0;
1404 swpmb = (MAILBOX_t *) & word0;
1405 swpmb->mbxCommand = MBX_RESTART;
1406 swpmb->mbxHc = 1;
1407
1408 to_slim = phba->MBslimaddr;
1409 writel(*(uint32_t *) swpmb, to_slim);
1410 readl(to_slim); /* flush */
1411
1412 /* Only skip post after fc_ffinit is completed */
1413 if (skip_post) {
1414 word0 = 1; /* This is really setting up word1 */
1415 } else {
1416 word0 = 0; /* This is really setting up word1 */
1417 }
1418 to_slim = phba->MBslimaddr + sizeof (uint32_t);
1419 writel(*(uint32_t *) swpmb, to_slim);
1420 readl(to_slim); /* flush */
1421
1422 /* Turn off parity checking and serr during the physical reset */
1423 pci_read_config_word(phba->pcidev, PCI_COMMAND, &phba->pci_cfg_value);
1424 pci_write_config_word(phba->pcidev, PCI_COMMAND,
1425 (phba->pci_cfg_value &
1426 ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
1427
1428 writel(HC_INITFF, phba->HCregaddr);
1429
1430 phba->hba_state = LPFC_INIT_START;
1431 spin_unlock_irqrestore(phba->host->host_lock, flags);
1432
1433 return 0;
1434}
1435
1436static int
1437lpfc_sli_brdreset(struct lpfc_hba * phba, uint16_t skip_post)
1438{
1439 struct lpfc_sli_ring *pring;
1440 int i;
1441 struct lpfc_dmabuf *mp, *next_mp;
1442 unsigned long flags = 0;
1443
1444 lpfc_sli_send_reset(phba, skip_post);
1445 mdelay(1);
1446
1447 spin_lock_irqsave(phba->host->host_lock, flags);
1448 /* Risk the write on flush case ie no delay after the readl */
1449 readl(phba->HCregaddr); /* flush */
1450 /* Now toggle INITFF bit set by lpfc_sli_send_reset */
1451 writel(0, phba->HCregaddr);
1452 readl(phba->HCregaddr); /* flush */
1453
1454 /* Restore PCI cmd register */
1455 pci_write_config_word(phba->pcidev, PCI_COMMAND, phba->pci_cfg_value);
1456
1457 /* perform board reset */
1458 phba->fc_eventTag = 0;
1459 phba->fc_myDID = 0;
1460 phba->fc_prevDID = Mask_DID;
1461
1462 /* Reset HBA */
1463 lpfc_printf_log(phba,
1464 KERN_INFO,
1465 LOG_SLI,
1466 "%d:0325 Reset HBA Data: x%x x%x x%x\n",
1467 phba->brd_no,
1468 phba->hba_state,
1469 phba->sli.sli_flag,
1470 skip_post);
1471
1472 /* Initialize relevant SLI info */
1473 for (i = 0; i < phba->sli.num_rings; i++) {
1474 pring = &phba->sli.ring[i];
1475 pring->flag = 0;
1476 pring->rspidx = 0;
1477 pring->next_cmdidx = 0;
1478 pring->local_getidx = 0;
1479 pring->cmdidx = 0;
1480 pring->missbufcnt = 0;
1481 }
1482 spin_unlock_irqrestore(phba->host->host_lock, flags);
1483
1484 if (skip_post) {
1485 mdelay(100);
1486 } else {
1487 mdelay(2000);
1488 }
1489
1490 spin_lock_irqsave(phba->host->host_lock, flags);
1491 /* Cleanup preposted buffers on the ELS ring */
1492 pring = &phba->sli.ring[LPFC_ELS_RING];
1493 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
1494 list_del(&mp->list);
1495 pring->postbufq_cnt--;
1496 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1497 kfree(mp);
1498 }
1499 spin_unlock_irqrestore(phba->host->host_lock, flags);
1500
1501 for (i = 0; i < phba->sli.num_rings; i++)
1502 lpfc_sli_abort_iocb_ring(phba, &phba->sli.ring[i]);
1503
1504 return 0;
1505}
1506
1507static int
1508lpfc_sli_chipset_init(struct lpfc_hba *phba)
1509{
1510 uint32_t status, i = 0;
1511
1512 /* Read the HBA Host Status Register */
1513 status = readl(phba->HSregaddr);
1514
1515 /* Check status register to see what current state is */
1516 i = 0;
1517 while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) {
1518
1519 /* Check every 100ms for 5 retries, then every 500ms for 5, then
1520 * every 2.5 sec for 5, then reset board and every 2.5 sec for
1521 * 4.
1522 */
1523 if (i++ >= 20) {
1524 /* Adapter failed to init, timeout, status reg
1525 <status> */
1526 lpfc_printf_log(phba,
1527 KERN_ERR,
1528 LOG_INIT,
1529 "%d:0436 Adapter failed to init, "
1530 "timeout, status reg x%x\n",
1531 phba->brd_no,
1532 status);
1533 phba->hba_state = LPFC_HBA_ERROR;
1534 return -ETIMEDOUT;
1535 }
1536
1537 /* Check to see if any errors occurred during init */
1538 if (status & HS_FFERM) {
1539 /* ERROR: During chipset initialization */
1540 /* Adapter failed to init, chipset, status reg
1541 <status> */
1542 lpfc_printf_log(phba,
1543 KERN_ERR,
1544 LOG_INIT,
1545 "%d:0437 Adapter failed to init, "
1546 "chipset, status reg x%x\n",
1547 phba->brd_no,
1548 status);
1549 phba->hba_state = LPFC_HBA_ERROR;
1550 return -EIO;
1551 }
1552
1553 if (i <= 5) {
1554 msleep(10);
1555 } else if (i <= 10) {
1556 msleep(500);
1557 } else {
1558 msleep(2500);
1559 }
1560
1561 if (i == 15) {
1562 lpfc_sli_brdreset(phba, 0);
1563 }
1564 /* Read the HBA Host Status Register */
1565 status = readl(phba->HSregaddr);
1566 }
1567
1568 /* Check to see if any errors occurred during init */
1569 if (status & HS_FFERM) {
1570 /* ERROR: During chipset initialization */
1571 /* Adapter failed to init, chipset, status reg <status> */
1572 lpfc_printf_log(phba,
1573 KERN_ERR,
1574 LOG_INIT,
1575 "%d:0438 Adapter failed to init, chipset, "
1576 "status reg x%x\n",
1577 phba->brd_no,
1578 status);
1579 phba->hba_state = LPFC_HBA_ERROR;
1580 return -EIO;
1581 }
1582
1583 /* Clear all interrupt enable conditions */
1584 writel(0, phba->HCregaddr);
1585 readl(phba->HCregaddr); /* flush */
1586
1587 /* setup host attn register */
1588 writel(0xffffffff, phba->HAregaddr);
1589 readl(phba->HAregaddr); /* flush */
1590 return 0;
1591}
1592
1593int
1594lpfc_sli_hba_setup(struct lpfc_hba * phba)
1595{
1596 LPFC_MBOXQ_t *pmb;
1597 uint32_t resetcount = 0, rc = 0, done = 0;
1598
1599 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1600 if (!pmb) {
1601 phba->hba_state = LPFC_HBA_ERROR;
1602 return -ENOMEM;
1603 }
1604
1605 while (resetcount < 2 && !done) {
1606 phba->hba_state = 0;
1607 lpfc_sli_brdreset(phba, 0);
1608 msleep(2500);
1609 rc = lpfc_sli_chipset_init(phba);
1610 if (rc)
1611 break;
1612
1613 resetcount++;
1614
1615 /* Call pre CONFIG_PORT mailbox command initialization. A value of 0
1616 * means the call was successful. Any other nonzero value is a failure,
1617 * but if ERESTART is returned, the driver may reset the HBA and try
1618 * again.
1619 */
1620 rc = lpfc_config_port_prep(phba);
1621 if (rc == -ERESTART) {
1622 phba->hba_state = 0;
1623 continue;
1624 } else if (rc) {
1625 break;
1626 }
1627
1628 phba->hba_state = LPFC_INIT_MBX_CMDS;
1629 lpfc_config_port(phba, pmb);
1630 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
1631 if (rc == MBX_SUCCESS)
1632 done = 1;
1633 else {
1634 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1635 "%d:0442 Adapter failed to init, mbxCmd x%x "
1636 "CONFIG_PORT, mbxStatus x%x Data: x%x\n",
1637 phba->brd_no, pmb->mb.mbxCommand,
1638 pmb->mb.mbxStatus, 0);
1639 phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
1640 }
1641 }
1642 if (!done)
1643 goto lpfc_sli_hba_setup_error;
1644
1645 rc = lpfc_sli_ring_map(phba, pmb);
1646
1647 if (rc)
1648 goto lpfc_sli_hba_setup_error;
1649
1650 phba->sli.sli_flag |= LPFC_PROCESS_LA;
1651
1652 rc = lpfc_config_port_post(phba);
1653 if (rc)
1654 goto lpfc_sli_hba_setup_error;
1655
1656 goto lpfc_sli_hba_setup_exit;
1657lpfc_sli_hba_setup_error:
1658 phba->hba_state = LPFC_HBA_ERROR;
1659lpfc_sli_hba_setup_exit:
1660 mempool_free(pmb, phba->mbox_mem_pool);
1661 return rc;
1662}
1663
1664static void
1665lpfc_mbox_abort(struct lpfc_hba * phba)
1666{
1667 LPFC_MBOXQ_t *pmbox;
1668 MAILBOX_t *mb;
1669
1670 if (phba->sli.mbox_active) {
1671 del_timer_sync(&phba->sli.mbox_tmo);
1672 phba->work_hba_events &= ~WORKER_MBOX_TMO;
1673 pmbox = phba->sli.mbox_active;
1674 mb = &pmbox->mb;
1675 phba->sli.mbox_active = NULL;
1676 if (pmbox->mbox_cmpl) {
1677 mb->mbxStatus = MBX_NOT_FINISHED;
1678 (pmbox->mbox_cmpl) (phba, pmbox);
1679 }
1680 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
1681 }
1682
1683 /* Abort all the non active mailbox commands. */
1684 spin_lock_irq(phba->host->host_lock);
1685 pmbox = lpfc_mbox_get(phba);
1686 while (pmbox) {
1687 mb = &pmbox->mb;
1688 if (pmbox->mbox_cmpl) {
1689 mb->mbxStatus = MBX_NOT_FINISHED;
1690 spin_unlock_irq(phba->host->host_lock);
1691 (pmbox->mbox_cmpl) (phba, pmbox);
1692 spin_lock_irq(phba->host->host_lock);
1693 }
1694 pmbox = lpfc_mbox_get(phba);
1695 }
1696 spin_unlock_irq(phba->host->host_lock);
1697 return;
1698}
1699
1700/*! lpfc_mbox_timeout
1701 *
1702 * \pre
1703 * \post
1704 * \param hba Pointer to per struct lpfc_hba structure
1705 * \param l1 Pointer to the driver's mailbox queue.
1706 * \return
1707 * void
1708 *
1709 * \b Description:
1710 *
1711 * This routine handles mailbox timeout events at timer interrupt context.
1712 */
1713void
1714lpfc_mbox_timeout(unsigned long ptr)
1715{
1716 struct lpfc_hba *phba;
1717 unsigned long iflag;
1718
1719 phba = (struct lpfc_hba *)ptr;
1720 spin_lock_irqsave(phba->host->host_lock, iflag);
1721 if (!(phba->work_hba_events & WORKER_MBOX_TMO)) {
1722 phba->work_hba_events |= WORKER_MBOX_TMO;
1723 if (phba->work_wait)
1724 wake_up(phba->work_wait);
1725 }
1726 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1727}
1728
1729void
1730lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
1731{
1732 LPFC_MBOXQ_t *pmbox;
1733 MAILBOX_t *mb;
1734
1735 spin_lock_irq(phba->host->host_lock);
1736 if (!(phba->work_hba_events & WORKER_MBOX_TMO)) {
1737 spin_unlock_irq(phba->host->host_lock);
1738 return;
1739 }
1740
1741 pmbox = phba->sli.mbox_active;
1742 mb = &pmbox->mb;
1743
1744 /* Mbox cmd <mbxCommand> timeout */
1745 lpfc_printf_log(phba,
1746 KERN_ERR,
1747 LOG_MBOX | LOG_SLI,
1748 "%d:0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
1749 phba->brd_no,
1750 mb->mbxCommand,
1751 phba->hba_state,
1752 phba->sli.sli_flag,
1753 phba->sli.mbox_active);
1754
1755 if (phba->sli.mbox_active == pmbox) {
1756 phba->sli.mbox_active = NULL;
1757 if (pmbox->mbox_cmpl) {
1758 mb->mbxStatus = MBX_NOT_FINISHED;
1759 spin_unlock_irq(phba->host->host_lock);
1760 (pmbox->mbox_cmpl) (phba, pmbox);
1761 spin_lock_irq(phba->host->host_lock);
1762 }
1763 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
1764 }
1765
1766 spin_unlock_irq(phba->host->host_lock);
1767 lpfc_mbox_abort(phba);
1768 return;
1769}
1770
1771int
1772lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
1773{
1774 MAILBOX_t *mbox;
1775 MAILBOX_t *mb;
1776 struct lpfc_sli *psli;
1777 uint32_t status, evtctr;
1778 uint32_t ha_copy;
1779 int i;
1780 unsigned long drvr_flag = 0;
1781 volatile uint32_t word0, ldata;
1782 void __iomem *to_slim;
1783
1784 psli = &phba->sli;
1785
1786 spin_lock_irqsave(phba->host->host_lock, drvr_flag);
1787
1788
1789 mb = &pmbox->mb;
1790 status = MBX_SUCCESS;
1791
1792 if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
1793 /* Polling for a mbox command when another one is already active
1794 * is not allowed in SLI. Also, the driver must have established
1795 * SLI2 mode to queue and process multiple mbox commands.
1796 */
1797
1798 if (flag & MBX_POLL) {
1799 spin_unlock_irqrestore(phba->host->host_lock,
1800 drvr_flag);
1801
1802 /* Mbox command <mbxCommand> cannot issue */
1803 LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag)
1804 return (MBX_NOT_FINISHED);
1805 }
1806
1807 if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) {
1808 spin_unlock_irqrestore(phba->host->host_lock,
1809 drvr_flag);
1810 /* Mbox command <mbxCommand> cannot issue */
1811 LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag)
1812 return (MBX_NOT_FINISHED);
1813 }
1814
1815 /* Handle STOP IOCB processing flag. This is only meaningful
1816 * if we are not polling for mbox completion.
1817 */
1818 if (flag & MBX_STOP_IOCB) {
1819 flag &= ~MBX_STOP_IOCB;
1820 /* Now flag each ring */
1821 for (i = 0; i < psli->num_rings; i++) {
1822 /* If the ring is active, flag it */
1823 if (psli->ring[i].cmdringaddr) {
1824 psli->ring[i].flag |=
1825 LPFC_STOP_IOCB_MBX;
1826 }
1827 }
1828 }
1829
1830 /* Another mailbox command is still being processed, queue this
1831 * command to be processed later.
1832 */
1833 lpfc_mbox_put(phba, pmbox);
1834
1835 /* Mbox cmd issue - BUSY */
1836 lpfc_printf_log(phba,
1837 KERN_INFO,
1838 LOG_MBOX | LOG_SLI,
1839 "%d:0308 Mbox cmd issue - BUSY Data: x%x x%x x%x x%x\n",
1840 phba->brd_no,
1841 mb->mbxCommand,
1842 phba->hba_state,
1843 psli->sli_flag,
1844 flag);
1845
1846 psli->slistat.mbox_busy++;
1847 spin_unlock_irqrestore(phba->host->host_lock,
1848 drvr_flag);
1849
1850 return (MBX_BUSY);
1851 }
1852
1853 /* Handle STOP IOCB processing flag. This is only meaningful
1854 * if we are not polling for mbox completion.
1855 */
1856 if (flag & MBX_STOP_IOCB) {
1857 flag &= ~MBX_STOP_IOCB;
1858 if (flag == MBX_NOWAIT) {
1859 /* Now flag each ring */
1860 for (i = 0; i < psli->num_rings; i++) {
1861 /* If the ring is active, flag it */
1862 if (psli->ring[i].cmdringaddr) {
1863 psli->ring[i].flag |=
1864 LPFC_STOP_IOCB_MBX;
1865 }
1866 }
1867 }
1868 }
1869
1870 psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE;
1871
1872 /* If we are not polling, we MUST be in SLI2 mode */
1873 if (flag != MBX_POLL) {
1874 if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) {
1875 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
1876 spin_unlock_irqrestore(phba->host->host_lock,
1877 drvr_flag);
1878 /* Mbox command <mbxCommand> cannot issue */
1879 LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag);
1880 return (MBX_NOT_FINISHED);
1881 }
1882 /* timeout active mbox command */
1883 mod_timer(&psli->mbox_tmo, jiffies + HZ * LPFC_MBOX_TMO);
1884 }
1885
1886 /* Mailbox cmd <cmd> issue */
1887 lpfc_printf_log(phba,
1888 KERN_INFO,
1889 LOG_MBOX | LOG_SLI,
1890 "%d:0309 Mailbox cmd x%x issue Data: x%x x%x x%x\n",
1891 phba->brd_no,
1892 mb->mbxCommand,
1893 phba->hba_state,
1894 psli->sli_flag,
1895 flag);
1896
1897 psli->slistat.mbox_cmd++;
1898 evtctr = psli->slistat.mbox_event;
1899
1900 /* next set own bit for the adapter and copy over command word */
1901 mb->mbxOwner = OWN_CHIP;
1902
1903 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
1904
1905 /* First copy command data to host SLIM area */
1906 mbox = (MAILBOX_t *) psli->MBhostaddr;
1907 lpfc_sli_pcimem_bcopy(mb, mbox, MAILBOX_CMD_SIZE);
1908 } else {
1909 if (mb->mbxCommand == MBX_CONFIG_PORT) {
1910 /* copy command data into host mbox for cmpl */
1911 mbox = (MAILBOX_t *) psli->MBhostaddr;
1912 lpfc_sli_pcimem_bcopy(mb, mbox, MAILBOX_CMD_SIZE);
1913 }
1914
1915 /* First copy mbox command data to HBA SLIM, skip past first
1916 word */
1917 to_slim = phba->MBslimaddr + sizeof (uint32_t);
1918 lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0],
1919 MAILBOX_CMD_SIZE - sizeof (uint32_t));
1920
1921 /* Next copy over first word, with mbxOwner set */
1922 ldata = *((volatile uint32_t *)mb);
1923 to_slim = phba->MBslimaddr;
1924 writel(ldata, to_slim);
1925 readl(to_slim); /* flush */
1926
1927 if (mb->mbxCommand == MBX_CONFIG_PORT) {
1928 /* switch over to host mailbox */
1929 psli->sli_flag |= LPFC_SLI2_ACTIVE;
1930 }
1931 }
1932
1933 wmb();
1934 /* interrupt board to doit right away */
1935 writel(CA_MBATT, phba->CAregaddr);
1936 readl(phba->CAregaddr); /* flush */
1937
1938 switch (flag) {
1939 case MBX_NOWAIT:
1940 /* Don't wait for it to finish, just return */
1941 psli->mbox_active = pmbox;
1942 break;
1943
1944 case MBX_POLL:
1945 i = 0;
1946 psli->mbox_active = NULL;
1947 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
1948 /* First read mbox status word */
1949 mbox = (MAILBOX_t *) psli->MBhostaddr;
1950 word0 = *((volatile uint32_t *)mbox);
1951 word0 = le32_to_cpu(word0);
1952 } else {
1953 /* First read mbox status word */
1954 word0 = readl(phba->MBslimaddr);
1955 }
1956
1957 /* Read the HBA Host Attention Register */
1958 ha_copy = readl(phba->HAregaddr);
1959
1960 /* Wait for command to complete */
1961 while (((word0 & OWN_CHIP) == OWN_CHIP)
1962 || !(ha_copy & HA_MBATT)) {
1963 if (i++ >= 100) {
1964 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
1965 spin_unlock_irqrestore(phba->host->host_lock,
1966 drvr_flag);
1967 return (MBX_NOT_FINISHED);
1968 }
1969
1970 /* Check if we took a mbox interrupt while we were
1971 polling */
1972 if (((word0 & OWN_CHIP) != OWN_CHIP)
1973 && (evtctr != psli->slistat.mbox_event))
1974 break;
1975
1976 spin_unlock_irqrestore(phba->host->host_lock,
1977 drvr_flag);
1978
1979 /* Can be in interrupt context, do not sleep */
1980 /* (or might be called with interrupts disabled) */
1981 mdelay(i);
1982
1983 spin_lock_irqsave(phba->host->host_lock, drvr_flag);
1984
1985 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
1986 /* First copy command data */
1987 mbox = (MAILBOX_t *) psli->MBhostaddr;
1988 word0 = *((volatile uint32_t *)mbox);
1989 word0 = le32_to_cpu(word0);
1990 if (mb->mbxCommand == MBX_CONFIG_PORT) {
1991 MAILBOX_t *slimmb;
1992 volatile uint32_t slimword0;
1993 /* Check real SLIM for any errors */
1994 slimword0 = readl(phba->MBslimaddr);
1995 slimmb = (MAILBOX_t *) & slimword0;
1996 if (((slimword0 & OWN_CHIP) != OWN_CHIP)
1997 && slimmb->mbxStatus) {
1998 psli->sli_flag &=
1999 ~LPFC_SLI2_ACTIVE;
2000 word0 = slimword0;
2001 }
2002 }
2003 } else {
2004 /* First copy command data */
2005 word0 = readl(phba->MBslimaddr);
2006 }
2007 /* Read the HBA Host Attention Register */
2008 ha_copy = readl(phba->HAregaddr);
2009 }
2010
2011 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
2012 /* First copy command data */
2013 mbox = (MAILBOX_t *) psli->MBhostaddr;
2014 /* copy results back to user */
2015 lpfc_sli_pcimem_bcopy(mbox, mb, MAILBOX_CMD_SIZE);
2016 } else {
2017 /* First copy command data */
2018 lpfc_memcpy_from_slim(mb, phba->MBslimaddr,
2019 MAILBOX_CMD_SIZE);
2020 if ((mb->mbxCommand == MBX_DUMP_MEMORY) &&
2021 pmbox->context2) {
2022 lpfc_memcpy_from_slim((void *)pmbox->context2,
2023 phba->MBslimaddr + DMP_RSP_OFFSET,
2024 mb->un.varDmp.word_cnt);
2025 }
2026 }
2027
2028 writel(HA_MBATT, phba->HAregaddr);
2029 readl(phba->HAregaddr); /* flush */
2030
2031 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2032 status = mb->mbxStatus;
2033 }
2034
2035 spin_unlock_irqrestore(phba->host->host_lock, drvr_flag);
2036 return (status);
2037}
2038
2039static int
2040lpfc_sli_ringtx_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring,
2041 struct lpfc_iocbq * piocb)
2042{
2043 /* Insert the caller's iocb in the txq tail for later processing. */
2044 list_add_tail(&piocb->list, &pring->txq);
2045 pring->txq_cnt++;
2046 return (0);
2047}
2048
2049static struct lpfc_iocbq *
2050lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2051 struct lpfc_iocbq ** piocb)
2052{
2053 struct lpfc_iocbq * nextiocb;
2054
2055 nextiocb = lpfc_sli_ringtx_get(phba, pring);
2056 if (!nextiocb) {
2057 nextiocb = *piocb;
2058 *piocb = NULL;
2059 }
2060
2061 return nextiocb;
2062}
2063
2064int
2065lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2066 struct lpfc_iocbq *piocb, uint32_t flag)
2067{
2068 struct lpfc_iocbq *nextiocb;
2069 IOCB_t *iocb;
2070
2071 /*
2072 * We should never get an IOCB if we are in a < LINK_DOWN state
2073 */
2074 if (unlikely(phba->hba_state < LPFC_LINK_DOWN))
2075 return IOCB_ERROR;
2076
2077 /*
2078 * Check to see if we are blocking IOCB processing because of a
2079 * outstanding mbox command.
2080 */
2081 if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX))
2082 goto iocb_busy;
2083
2084 if (unlikely(phba->hba_state == LPFC_LINK_DOWN)) {
2085 /*
2086 * Only CREATE_XRI, CLOSE_XRI, ABORT_XRI, and QUE_RING_BUF
2087 * can be issued if the link is not up.
2088 */
2089 switch (piocb->iocb.ulpCommand) {
2090 case CMD_QUE_RING_BUF_CN:
2091 case CMD_QUE_RING_BUF64_CN:
2092 case CMD_CLOSE_XRI_CN:
2093 case CMD_ABORT_XRI_CN:
2094 /*
2095 * For IOCBs, like QUE_RING_BUF, that have no rsp ring
2096 * completion, iocb_cmpl MUST be 0.
2097 */
2098 if (piocb->iocb_cmpl)
2099 piocb->iocb_cmpl = NULL;
2100 /*FALLTHROUGH*/
2101 case CMD_CREATE_XRI_CR:
2102 break;
2103 default:
2104 goto iocb_busy;
2105 }
2106
2107 /*
2108 * For FCP commands, we must be in a state where we can process link
2109 * attention events.
2110 */
2111 } else if (unlikely(pring->ringno == phba->sli.fcp_ring &&
2112 !(phba->sli.sli_flag & LPFC_PROCESS_LA)))
2113 goto iocb_busy;
2114
2115 /*
2116 * Check to see if this is a high priority command.
2117 * If so bypass tx queue processing.
2118 */
2119 if (unlikely((flag & SLI_IOCB_HIGH_PRIORITY) &&
2120 (iocb = lpfc_sli_next_iocb_slot(phba, pring)))) {
2121 lpfc_sli_submit_iocb(phba, pring, iocb, piocb);
2122 piocb = NULL;
2123 }
2124
2125 while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
2126 (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb)))
2127 lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
2128
2129 if (iocb)
2130 lpfc_sli_update_ring(phba, pring);
2131 else
2132 lpfc_sli_update_full_ring(phba, pring);
2133
2134 if (!piocb)
2135 return IOCB_SUCCESS;
2136
2137 goto out_busy;
2138
2139 iocb_busy:
2140 pring->stats.iocb_cmd_delay++;
2141
2142 out_busy:
2143
2144 if (!(flag & SLI_IOCB_RET_IOCB)) {
2145 lpfc_sli_ringtx_put(phba, pring, piocb);
2146 return IOCB_SUCCESS;
2147 }
2148
2149 return IOCB_BUSY;
2150}
2151
2152int
2153lpfc_sli_setup(struct lpfc_hba *phba)
2154{
2155 int i, totiocb = 0;
2156 struct lpfc_sli *psli = &phba->sli;
2157 struct lpfc_sli_ring *pring;
2158
2159 psli->num_rings = MAX_CONFIGURED_RINGS;
2160 psli->sli_flag = 0;
2161 psli->fcp_ring = LPFC_FCP_RING;
2162 psli->next_ring = LPFC_FCP_NEXT_RING;
2163 psli->ip_ring = LPFC_IP_RING;
2164
2165 for (i = 0; i < psli->num_rings; i++) {
2166 pring = &psli->ring[i];
2167 switch (i) {
2168 case LPFC_FCP_RING: /* ring 0 - FCP */
2169 /* numCiocb and numRiocb are used in config_port */
2170 pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES;
2171 pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES;
2172 pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES;
2173 pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES;
2174 pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES;
2175 pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES;
2176 pring->iotag_ctr = 0;
2177 pring->iotag_max =
2178 (phba->cfg_hba_queue_depth * 2);
2179 pring->fast_iotag = pring->iotag_max;
2180 pring->num_mask = 0;
2181 break;
2182 case LPFC_IP_RING: /* ring 1 - IP */
2183 /* numCiocb and numRiocb are used in config_port */
2184 pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES;
2185 pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES;
2186 pring->num_mask = 0;
2187 break;
2188 case LPFC_ELS_RING: /* ring 2 - ELS / CT */
2189 /* numCiocb and numRiocb are used in config_port */
2190 pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES;
2191 pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES;
2192 pring->fast_iotag = 0;
2193 pring->iotag_ctr = 0;
2194 pring->iotag_max = 4096;
2195 pring->num_mask = 4;
2196 pring->prt[0].profile = 0; /* Mask 0 */
2197 pring->prt[0].rctl = FC_ELS_REQ;
2198 pring->prt[0].type = FC_ELS_DATA;
2199 pring->prt[0].lpfc_sli_rcv_unsol_event =
2200 lpfc_els_unsol_event;
2201 pring->prt[1].profile = 0; /* Mask 1 */
2202 pring->prt[1].rctl = FC_ELS_RSP;
2203 pring->prt[1].type = FC_ELS_DATA;
2204 pring->prt[1].lpfc_sli_rcv_unsol_event =
2205 lpfc_els_unsol_event;
2206 pring->prt[2].profile = 0; /* Mask 2 */
2207 /* NameServer Inquiry */
2208 pring->prt[2].rctl = FC_UNSOL_CTL;
2209 /* NameServer */
2210 pring->prt[2].type = FC_COMMON_TRANSPORT_ULP;
2211 pring->prt[2].lpfc_sli_rcv_unsol_event =
2212 lpfc_ct_unsol_event;
2213 pring->prt[3].profile = 0; /* Mask 3 */
2214 /* NameServer response */
2215 pring->prt[3].rctl = FC_SOL_CTL;
2216 /* NameServer */
2217 pring->prt[3].type = FC_COMMON_TRANSPORT_ULP;
2218 pring->prt[3].lpfc_sli_rcv_unsol_event =
2219 lpfc_ct_unsol_event;
2220 break;
2221 }
2222 totiocb += (pring->numCiocb + pring->numRiocb);
2223 }
2224 if (totiocb > MAX_SLI2_IOCB) {
2225 /* Too many cmd / rsp ring entries in SLI2 SLIM */
2226 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2227 "%d:0462 Too many cmd / rsp ring entries in "
2228 "SLI2 SLIM Data: x%x x%x\n",
2229 phba->brd_no, totiocb, MAX_SLI2_IOCB);
2230 }
2231
2232 return 0;
2233}
2234
2235int
2236lpfc_sli_queue_setup(struct lpfc_hba * phba)
2237{
2238 struct lpfc_sli *psli;
2239 struct lpfc_sli_ring *pring;
2240 int i, cnt;
2241
2242 psli = &phba->sli;
2243 spin_lock_irq(phba->host->host_lock);
2244 INIT_LIST_HEAD(&psli->mboxq);
2245 /* Initialize list headers for txq and txcmplq as double linked lists */
2246 for (i = 0; i < psli->num_rings; i++) {
2247 pring = &psli->ring[i];
2248 pring->ringno = i;
2249 pring->next_cmdidx = 0;
2250 pring->local_getidx = 0;
2251 pring->cmdidx = 0;
2252 INIT_LIST_HEAD(&pring->txq);
2253 INIT_LIST_HEAD(&pring->txcmplq);
2254 INIT_LIST_HEAD(&pring->iocb_continueq);
2255 INIT_LIST_HEAD(&pring->postbufq);
2256 cnt = pring->fast_iotag;
2257 spin_unlock_irq(phba->host->host_lock);
2258 if (cnt) {
2259 pring->fast_lookup =
2260 kmalloc(cnt * sizeof (struct lpfc_iocbq *),
2261 GFP_KERNEL);
2262 if (pring->fast_lookup == 0) {
2263 return (0);
2264 }
2265 memset((char *)pring->fast_lookup, 0,
2266 cnt * sizeof (struct lpfc_iocbq *));
2267 }
2268 spin_lock_irq(phba->host->host_lock);
2269 }
2270 spin_unlock_irq(phba->host->host_lock);
2271 return (1);
2272}
2273
2274int
2275lpfc_sli_hba_down(struct lpfc_hba * phba)
2276{
2277 struct lpfc_sli *psli;
2278 struct lpfc_sli_ring *pring;
2279 LPFC_MBOXQ_t *pmb;
2280 struct lpfc_iocbq *iocb, *next_iocb;
2281 IOCB_t *icmd = NULL;
2282 int i;
2283 unsigned long flags = 0;
2284
2285 psli = &phba->sli;
2286 lpfc_hba_down_prep(phba);
2287
2288 spin_lock_irqsave(phba->host->host_lock, flags);
2289
2290 for (i = 0; i < psli->num_rings; i++) {
2291 pring = &psli->ring[i];
2292 pring->flag |= LPFC_DEFERRED_RING_EVENT;
2293
2294 /*
2295 * Error everything on the txq since these iocbs have not been
2296 * given to the FW yet.
2297 */
2298 pring->txq_cnt = 0;
2299
2300 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
2301 list_del_init(&iocb->list);
2302 if (iocb->iocb_cmpl) {
2303 icmd = &iocb->iocb;
2304 icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
2305 icmd->un.ulpWord[4] = IOERR_SLI_DOWN;
2306 spin_unlock_irqrestore(phba->host->host_lock,
2307 flags);
2308 (iocb->iocb_cmpl) (phba, iocb, iocb);
2309 spin_lock_irqsave(phba->host->host_lock, flags);
2310 } else {
2311 list_add_tail(&iocb->list,
2312 &phba->lpfc_iocb_list);
2313 }
2314 }
2315
2316 INIT_LIST_HEAD(&(pring->txq));
2317
2318 if (pring->fast_lookup) {
2319 kfree(pring->fast_lookup);
2320 pring->fast_lookup = NULL;
2321 }
2322
2323 }
2324
2325 spin_unlock_irqrestore(phba->host->host_lock, flags);
2326
2327 /* Return any active mbox cmds */
2328 del_timer_sync(&psli->mbox_tmo);
2329 spin_lock_irqsave(phba->host->host_lock, flags);
2330 phba->work_hba_events &= ~WORKER_MBOX_TMO;
2331 if (psli->mbox_active) {
2332 pmb = psli->mbox_active;
2333 pmb->mb.mbxStatus = MBX_NOT_FINISHED;
2334 if (pmb->mbox_cmpl) {
2335 spin_unlock_irqrestore(phba->host->host_lock, flags);
2336 pmb->mbox_cmpl(phba,pmb);
2337 spin_lock_irqsave(phba->host->host_lock, flags);
2338 }
2339 }
2340 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2341 psli->mbox_active = NULL;
2342
2343 /* Return any pending mbox cmds */
2344 while ((pmb = lpfc_mbox_get(phba)) != NULL) {
2345 pmb->mb.mbxStatus = MBX_NOT_FINISHED;
2346 if (pmb->mbox_cmpl) {
2347 spin_unlock_irqrestore(phba->host->host_lock, flags);
2348 pmb->mbox_cmpl(phba,pmb);
2349 spin_lock_irqsave(phba->host->host_lock, flags);
2350 }
2351 }
2352
2353 INIT_LIST_HEAD(&psli->mboxq);
2354
2355 spin_unlock_irqrestore(phba->host->host_lock, flags);
2356
2357 /*
2358 * Provided the hba is not in an error state, reset it. It is not
2359 * capable of IO anymore.
2360 */
2361 if (phba->hba_state != LPFC_HBA_ERROR) {
2362 phba->hba_state = LPFC_INIT_START;
2363 lpfc_sli_brdreset(phba, 1);
2364 }
2365
2366 return 1;
2367}
2368
2369void
2370lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
2371{
2372 uint32_t *src = srcp;
2373 uint32_t *dest = destp;
2374 uint32_t ldata;
2375 int i;
2376
2377 for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) {
2378 ldata = *src;
2379 ldata = le32_to_cpu(ldata);
2380 *dest = ldata;
2381 src++;
2382 dest++;
2383 }
2384}
2385
2386int
2387lpfc_sli_ringpostbuf_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring,
2388 struct lpfc_dmabuf * mp)
2389{
2390 /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up
2391 later */
2392 list_add_tail(&mp->list, &pring->postbufq);
2393
2394 pring->postbufq_cnt++;
2395 return 0;
2396}
2397
2398
2399struct lpfc_dmabuf *
2400lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2401 dma_addr_t phys)
2402{
2403 struct lpfc_dmabuf *mp, *next_mp;
2404 struct list_head *slp = &pring->postbufq;
2405
2406 /* Search postbufq, from the begining, looking for a match on phys */
2407 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
2408 if (mp->phys == phys) {
2409 list_del_init(&mp->list);
2410 pring->postbufq_cnt--;
2411 return mp;
2412 }
2413 }
2414
2415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2416 "%d:0410 Cannot find virtual addr for mapped buf on "
2417 "ring %d Data x%llx x%p x%p x%x\n",
2418 phba->brd_no, pring->ringno, (unsigned long long)phys,
2419 slp->next, slp->prev, pring->postbufq_cnt);
2420 return NULL;
2421}
2422
2423static void
2424lpfc_sli_abort_elsreq_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2425 struct lpfc_iocbq * rspiocb)
2426{
2427 struct lpfc_dmabuf *buf_ptr, *buf_ptr1;
2428 /* Free the resources associated with the ELS_REQUEST64 IOCB the driver
2429 * just aborted.
2430 * In this case, context2 = cmd, context2->next = rsp, context3 = bpl
2431 */
2432 if (cmdiocb->context2) {
2433 buf_ptr1 = (struct lpfc_dmabuf *) cmdiocb->context2;
2434
2435 /* Free the response IOCB before completing the abort
2436 command. */
2437 buf_ptr = NULL;
2438 list_remove_head((&buf_ptr1->list), buf_ptr,
2439 struct lpfc_dmabuf, list);
2440 if (buf_ptr) {
2441 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
2442 kfree(buf_ptr);
2443 }
2444 lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys);
2445 kfree(buf_ptr1);
2446 }
2447
2448 if (cmdiocb->context3) {
2449 buf_ptr = (struct lpfc_dmabuf *) cmdiocb->context3;
2450 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
2451 kfree(buf_ptr);
2452 }
2453
2454 list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list);
2455 return;
2456}
2457
2458int
2459lpfc_sli_issue_abort_iotag32(struct lpfc_hba * phba,
2460 struct lpfc_sli_ring * pring,
2461 struct lpfc_iocbq * cmdiocb)
2462{
2463 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
2464 struct lpfc_iocbq *abtsiocbp = NULL;
2465 IOCB_t *icmd = NULL;
2466 IOCB_t *iabt = NULL;
2467
2468 /* issue ABTS for this IOCB based on iotag */
2469 list_remove_head(lpfc_iocb_list, abtsiocbp, struct lpfc_iocbq, list);
2470 if (abtsiocbp == NULL)
2471 return 0;
2472 memset(abtsiocbp, 0, sizeof (struct lpfc_iocbq));
2473
2474 iabt = &abtsiocbp->iocb;
2475 icmd = &cmdiocb->iocb;
2476 switch (icmd->ulpCommand) {
2477 case CMD_ELS_REQUEST64_CR:
2478 /* Even though we abort the ELS command, the firmware may access
2479 * the BPL or other resources before it processes our
2480 * ABORT_MXRI64. Thus we must delay reusing the cmdiocb
2481 * resources till the actual abort request completes.
2482 */
2483 abtsiocbp->context1 = (void *)((unsigned long)icmd->ulpCommand);
2484 abtsiocbp->context2 = cmdiocb->context2;
2485 abtsiocbp->context3 = cmdiocb->context3;
2486 cmdiocb->context2 = NULL;
2487 cmdiocb->context3 = NULL;
2488 abtsiocbp->iocb_cmpl = lpfc_sli_abort_elsreq_cmpl;
2489 break;
2490 default:
2491 list_add_tail(&abtsiocbp->list, lpfc_iocb_list);
2492 return 0;
2493 }
2494
2495 iabt->un.amxri.abortType = ABORT_TYPE_ABTS;
2496 iabt->un.amxri.iotag32 = icmd->un.elsreq64.bdl.ulpIoTag32;
2497
2498 iabt->ulpLe = 1;
2499 iabt->ulpClass = CLASS3;
2500 iabt->ulpCommand = CMD_ABORT_MXRI64_CN;
2501
2502 if (lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0) == IOCB_ERROR) {
2503 list_add_tail(&abtsiocbp->list, lpfc_iocb_list);
2504 return 0;
2505 }
2506
2507 return 1;
2508}
2509
2510static int
2511lpfc_sli_validate_iocb_cmd(struct lpfc_scsi_buf *lpfc_cmd, uint16_t tgt_id,
2512 uint64_t lun_id, struct lpfc_iocbq *iocb,
2513 uint32_t ctx, lpfc_ctx_cmd ctx_cmd)
2514{
2515 int rc = 1;
2516
2517 if (lpfc_cmd == NULL)
2518 return rc;
2519
2520 switch (ctx_cmd) {
2521 case LPFC_CTX_LUN:
2522 if ((lpfc_cmd->pCmd->device->id == tgt_id) &&
2523 (lpfc_cmd->pCmd->device->lun == lun_id))
2524 rc = 0;
2525 break;
2526 case LPFC_CTX_TGT:
2527 if (lpfc_cmd->pCmd->device->id == tgt_id)
2528 rc = 0;
2529 break;
2530 case LPFC_CTX_CTX:
2531 if (iocb->iocb.ulpContext == ctx)
2532 rc = 0;
2533 case LPFC_CTX_HOST:
2534 rc = 0;
2535 break;
2536 default:
2537 printk(KERN_ERR "%s: Unknown context cmd type, value %d\n",
2538 __FUNCTION__, ctx_cmd);
2539 break;
2540 }
2541
2542 return rc;
2543}
2544
2545int
2546lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2547 uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd)
2548{
2549 struct lpfc_iocbq *iocb, *next_iocb;
2550 IOCB_t *cmd = NULL;
2551 struct lpfc_scsi_buf *lpfc_cmd;
2552 int sum = 0, ret_val = 0;
2553
2554 /* Next check the txcmplq */
2555 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
2556 cmd = &iocb->iocb;
2557
2558 /* Must be a FCP command */
2559 if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
2560 (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
2561 (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
2562 continue;
2563 }
2564
2565 /* context1 MUST be a struct lpfc_scsi_buf */
2566 lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1);
2567 ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id,
2568 NULL, 0, ctx_cmd);
2569 if (ret_val != 0)
2570 continue;
2571 sum++;
2572 }
2573 return sum;
2574}
2575
2576int
2577lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2578 uint16_t tgt_id, uint64_t lun_id, uint32_t ctx,
2579 lpfc_ctx_cmd abort_cmd)
2580{
2581 struct lpfc_iocbq *iocb, *next_iocb;
2582 struct lpfc_iocbq *abtsiocb = NULL;
2583 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
2584 IOCB_t *cmd = NULL;
2585 struct lpfc_scsi_buf *lpfc_cmd;
2586 int errcnt = 0, ret_val = 0;
2587
2588 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
2589 cmd = &iocb->iocb;
2590
2591 /* Must be a FCP command */
2592 if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
2593 (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
2594 (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
2595 continue;
2596 }
2597
2598 /* context1 MUST be a struct lpfc_scsi_buf */
2599 lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1);
2600 ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id,
2601 iocb, ctx, abort_cmd);
2602 if (ret_val != 0)
2603 continue;
2604
2605 /* issue ABTS for this IOCB based on iotag */
2606 list_remove_head(lpfc_iocb_list, abtsiocb, struct lpfc_iocbq,
2607 list);
2608 if (abtsiocb == NULL) {
2609 errcnt++;
2610 continue;
2611 }
2612 memset(abtsiocb, 0, sizeof (struct lpfc_iocbq));
2613
2614 abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
2615 abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext;
2616 abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag;
2617 abtsiocb->iocb.ulpLe = 1;
2618 abtsiocb->iocb.ulpClass = cmd->ulpClass;
2619
2620 if (phba->hba_state >= LPFC_LINK_UP)
2621 abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN;
2622 else
2623 abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN;
2624
2625 ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0);
2626 if (ret_val == IOCB_ERROR) {
2627 list_add_tail(&abtsiocb->list, lpfc_iocb_list);
2628 errcnt++;
2629 continue;
2630 }
2631 }
2632
2633 return errcnt;
2634}
2635
2636void
2637lpfc_sli_wake_iocb_high_priority(struct lpfc_hba * phba,
2638 struct lpfc_iocbq * queue1,
2639 struct lpfc_iocbq * queue2)
2640{
2641 if (queue1->context2 && queue2)
2642 memcpy(queue1->context2, queue2, sizeof (struct lpfc_iocbq));
2643
2644 /* The waiter is looking for LPFC_IO_HIPRI bit to be set
2645 as a signal to wake up */
2646 queue1->iocb_flag |= LPFC_IO_HIPRI;
2647 return;
2648}
2649
2650int
2651lpfc_sli_issue_iocb_wait_high_priority(struct lpfc_hba * phba,
2652 struct lpfc_sli_ring * pring,
2653 struct lpfc_iocbq * piocb,
2654 uint32_t flag,
2655 struct lpfc_iocbq * prspiocbq,
2656 uint32_t timeout)
2657{
2658 int j, delay_time, retval = IOCB_ERROR;
2659
2660 /* The caller must left context1 empty. */
2661 if (piocb->context_un.hipri_wait_queue != 0) {
2662 return IOCB_ERROR;
2663 }
2664
2665 /*
2666 * If the caller has provided a response iocbq buffer, context2 must
2667 * be NULL or its an error.
2668 */
2669 if (prspiocbq && piocb->context2) {
2670 return IOCB_ERROR;
2671 }
2672
2673 piocb->context2 = prspiocbq;
2674
2675 /* Setup callback routine and issue the command. */
2676 piocb->iocb_cmpl = lpfc_sli_wake_iocb_high_priority;
2677 retval = lpfc_sli_issue_iocb(phba, pring, piocb,
2678 flag | SLI_IOCB_HIGH_PRIORITY);
2679 if (retval != IOCB_SUCCESS) {
2680 piocb->context2 = NULL;
2681 return IOCB_ERROR;
2682 }
2683
2684 /*
2685 * This high-priority iocb was sent out-of-band. Poll for its
2686 * completion rather than wait for a signal. Note that the host_lock
2687 * is held by the midlayer and must be released here to allow the
2688 * interrupt handlers to complete the IO and signal this routine via
2689 * the iocb_flag.
2690 * Also, the delay_time is computed to be one second longer than
2691 * the scsi command timeout to give the FW time to abort on
2692 * timeout rather than the driver just giving up. Typically,
2693 * the midlayer does not specify a time for this command so the
2694 * driver is free to enforce its own timeout.
2695 */
2696
2697 delay_time = ((timeout + 1) * 1000) >> 6;
2698 retval = IOCB_ERROR;
2699 spin_unlock_irq(phba->host->host_lock);
2700 for (j = 0; j < 64; j++) {
2701 msleep(delay_time);
2702 if (piocb->iocb_flag & LPFC_IO_HIPRI) {
2703 piocb->iocb_flag &= ~LPFC_IO_HIPRI;
2704 retval = IOCB_SUCCESS;
2705 break;
2706 }
2707 }
2708
2709 spin_lock_irq(phba->host->host_lock);
2710 piocb->context2 = NULL;
2711 return retval;
2712}
2713int
2714lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
2715 uint32_t timeout)
2716{
2717 DECLARE_WAIT_QUEUE_HEAD(done_q);
2718 DECLARE_WAITQUEUE(wq_entry, current);
2719 uint32_t timeleft = 0;
2720 int retval;
2721
2722 /* The caller must leave context1 empty. */
2723 if (pmboxq->context1 != 0) {
2724 return (MBX_NOT_FINISHED);
2725 }
2726
2727 /* setup wake call as IOCB callback */
2728 pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait;
2729 /* setup context field to pass wait_queue pointer to wake function */
2730 pmboxq->context1 = &done_q;
2731
2732 /* start to sleep before we wait, to avoid races */
2733 set_current_state(TASK_INTERRUPTIBLE);
2734 add_wait_queue(&done_q, &wq_entry);
2735
2736 /* now issue the command */
2737 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
2738
2739 if (retval == MBX_BUSY || retval == MBX_SUCCESS) {
2740 timeleft = schedule_timeout(timeout * HZ);
2741 pmboxq->context1 = NULL;
2742 /* if schedule_timeout returns 0, we timed out and were not
2743 woken up */
2744 if (timeleft == 0) {
2745 retval = MBX_TIMEOUT;
2746 } else {
2747 retval = MBX_SUCCESS;
2748 }
2749 }
2750
2751
2752 set_current_state(TASK_RUNNING);
2753 remove_wait_queue(&done_q, &wq_entry);
2754 return retval;
2755}
2756
2757irqreturn_t
2758lpfc_intr_handler(int irq, void *dev_id, struct pt_regs * regs)
2759{
2760 struct lpfc_hba *phba;
2761 uint32_t ha_copy;
2762 uint32_t work_ha_copy;
2763 unsigned long status;
2764 int i;
2765 uint32_t control;
2766
2767 /*
2768 * Get the driver's phba structure from the dev_id and
2769 * assume the HBA is not interrupting.
2770 */
2771 phba = (struct lpfc_hba *) dev_id;
2772
2773 if (unlikely(!phba))
2774 return IRQ_NONE;
2775
2776 phba->sli.slistat.sli_intr++;
2777
2778 /*
2779 * Call the HBA to see if it is interrupting. If not, don't claim
2780 * the interrupt
2781 */
2782
2783 /* Ignore all interrupts during initialization. */
2784 if (unlikely(phba->hba_state < LPFC_LINK_DOWN))
2785 return IRQ_NONE;
2786
2787 /*
2788 * Read host attention register to determine interrupt source
2789 * Clear Attention Sources, except Error Attention (to
2790 * preserve status) and Link Attention
2791 */
2792 spin_lock(phba->host->host_lock);
2793 ha_copy = readl(phba->HAregaddr);
2794 writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
2795 readl(phba->HAregaddr); /* flush */
2796 spin_unlock(phba->host->host_lock);
2797
2798 if (unlikely(!ha_copy))
2799 return IRQ_NONE;
2800
2801 work_ha_copy = ha_copy & phba->work_ha_mask;
2802
2803 if (unlikely(work_ha_copy)) {
2804 if (work_ha_copy & HA_LATT) {
2805 if (phba->sli.sli_flag & LPFC_PROCESS_LA) {
2806 /*
2807 * Turn off Link Attention interrupts
2808 * until CLEAR_LA done
2809 */
2810 spin_lock(phba->host->host_lock);
2811 phba->sli.sli_flag &= ~LPFC_PROCESS_LA;
2812 control = readl(phba->HCregaddr);
2813 control &= ~HC_LAINT_ENA;
2814 writel(control, phba->HCregaddr);
2815 readl(phba->HCregaddr); /* flush */
2816 spin_unlock(phba->host->host_lock);
2817 }
2818 else
2819 work_ha_copy &= ~HA_LATT;
2820 }
2821
2822 if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) {
2823 for (i = 0; i < phba->sli.num_rings; i++) {
2824 if (work_ha_copy & (HA_RXATT << (4*i))) {
2825 /*
2826 * Turn off Slow Rings interrupts
2827 */
2828 spin_lock(phba->host->host_lock);
2829 control = readl(phba->HCregaddr);
2830 control &= ~(HC_R0INT_ENA << i);
2831 writel(control, phba->HCregaddr);
2832 readl(phba->HCregaddr); /* flush */
2833 spin_unlock(phba->host->host_lock);
2834 }
2835 }
2836 }
2837
2838 if (work_ha_copy & HA_ERATT) {
2839 phba->hba_state = LPFC_HBA_ERROR;
2840 /*
2841 * There was a link/board error. Read the
2842 * status register to retrieve the error event
2843 * and process it.
2844 */
2845 phba->sli.slistat.err_attn_event++;
2846 /* Save status info */
2847 phba->work_hs = readl(phba->HSregaddr);
2848 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
2849 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
2850
2851 /* Clear Chip error bit */
2852 writel(HA_ERATT, phba->HAregaddr);
2853 readl(phba->HAregaddr); /* flush */
2854
2855 /*
2856 * Reseting the HBA is the only reliable way
2857 * to shutdown interrupt when there is a
2858 * ERROR.
2859 */
2860 lpfc_sli_send_reset(phba, phba->hba_state);
2861 }
2862
2863 spin_lock(phba->host->host_lock);
2864 phba->work_ha |= work_ha_copy;
2865 if (phba->work_wait)
2866 wake_up(phba->work_wait);
2867 spin_unlock(phba->host->host_lock);
2868 }
2869
2870 ha_copy &= ~(phba->work_ha_mask);
2871
2872 /*
2873 * Process all events on FCP ring. Take the optimized path for
2874 * FCP IO. Any other IO is slow path and is handled by
2875 * the worker thread.
2876 */
2877 status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING)));
2878 status >>= (4*LPFC_FCP_RING);
2879 if (status & HA_RXATT)
2880 lpfc_sli_handle_fast_ring_event(phba,
2881 &phba->sli.ring[LPFC_FCP_RING],
2882 status);
2883 return IRQ_HANDLED;
2884
2885} /* lpfc_intr_handler */
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
new file mode 100644
index 000000000000..abd9a8c84e9e
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -0,0 +1,216 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_sli.h 1.42 2005/03/21 02:01:28EST sf_support Exp $
23 */
24
25/* forward declaration for LPFC_IOCB_t's use */
26struct lpfc_hba;
27
28/* Define the context types that SLI handles for abort and sums. */
29typedef enum _lpfc_ctx_cmd {
30 LPFC_CTX_LUN,
31 LPFC_CTX_TGT,
32 LPFC_CTX_CTX,
33 LPFC_CTX_HOST
34} lpfc_ctx_cmd;
35
36/* This structure is used to handle IOCB requests / responses */
37struct lpfc_iocbq {
38 /* lpfc_iocbqs are used in double linked lists */
39 struct list_head list;
40 IOCB_t iocb; /* IOCB cmd */
41 uint8_t retry; /* retry counter for IOCB cmd - if needed */
42 uint8_t iocb_flag;
43#define LPFC_IO_POLL 1 /* Polling mode iocb */
44#define LPFC_IO_LIBDFC 2 /* libdfc iocb */
45#define LPFC_IO_WAIT 4
46#define LPFC_IO_HIPRI 8 /* High Priority Queue signal flag */
47
48 uint8_t abort_count;
49 uint8_t rsvd2;
50 uint32_t drvrTimeout; /* driver timeout in seconds */
51 void *context1; /* caller context information */
52 void *context2; /* caller context information */
53 void *context3; /* caller context information */
54 union {
55 wait_queue_head_t *hipri_wait_queue; /* High Priority Queue wait
56 queue */
57 struct lpfc_iocbq *rsp_iocb;
58 struct lpfcMboxq *mbox;
59 } context_un;
60
61 void (*iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
62 struct lpfc_iocbq *);
63
64};
65
66#define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */
67#define SLI_IOCB_HIGH_PRIORITY 2 /* High priority command */
68
69#define IOCB_SUCCESS 0
70#define IOCB_BUSY 1
71#define IOCB_ERROR 2
72#define IOCB_TIMEDOUT 3
73
74typedef struct lpfcMboxq {
75 /* MBOXQs are used in single linked lists */
76 struct list_head list; /* ptr to next mailbox command */
77 MAILBOX_t mb; /* Mailbox cmd */
78 void *context1; /* caller context information */
79 void *context2; /* caller context information */
80
81 void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
82
83} LPFC_MBOXQ_t;
84
85#define MBX_POLL 1 /* poll mailbox till command done, then
86 return */
87#define MBX_NOWAIT 2 /* issue command then return immediately */
88#define MBX_STOP_IOCB 4 /* Stop iocb processing till mbox cmds
89 complete */
90
91#define LPFC_MAX_RING_MASK 4 /* max num of rctl/type masks allowed per
92 ring */
93#define LPFC_MAX_RING 4 /* max num of SLI rings used by driver */
94
95struct lpfc_sli_ring;
96
97struct lpfc_sli_ring_mask {
98 uint8_t profile; /* profile associated with ring */
99 uint8_t rctl; /* rctl / type pair configured for ring */
100 uint8_t type; /* rctl / type pair configured for ring */
101 uint8_t rsvd;
102 /* rcv'd unsol event */
103 void (*lpfc_sli_rcv_unsol_event) (struct lpfc_hba *,
104 struct lpfc_sli_ring *,
105 struct lpfc_iocbq *);
106};
107
108
109/* Structure used to hold SLI statistical counters and info */
110struct lpfc_sli_ring_stat {
111 uint64_t iocb_event; /* IOCB event counters */
112 uint64_t iocb_cmd; /* IOCB cmd issued */
113 uint64_t iocb_rsp; /* IOCB rsp received */
114 uint64_t iocb_cmd_delay; /* IOCB cmd ring delay */
115 uint64_t iocb_cmd_full; /* IOCB cmd ring full */
116 uint64_t iocb_cmd_empty; /* IOCB cmd ring is now empty */
117 uint64_t iocb_rsp_full; /* IOCB rsp ring full */
118};
119
120/* Structure used to hold SLI ring information */
121struct lpfc_sli_ring {
122 uint16_t flag; /* ring flags */
123#define LPFC_DEFERRED_RING_EVENT 0x001 /* Deferred processing a ring event */
124#define LPFC_CALL_RING_AVAILABLE 0x002 /* indicates cmd was full */
125#define LPFC_STOP_IOCB_MBX 0x010 /* Stop processing IOCB cmds mbox */
126#define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */
127#define LPFC_STOP_IOCB_MASK 0x030 /* Stop processing IOCB cmds mask */
128 uint16_t abtsiotag; /* tracks next iotag to use for ABTS */
129
130 uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
131 uint32_t next_cmdidx; /* next_cmd index */
132 uint8_t rsvd;
133 uint8_t ringno; /* ring number */
134 uint8_t rspidx; /* current index in response ring */
135 uint8_t cmdidx; /* current index in command ring */
136 uint16_t numCiocb; /* number of command iocb's per ring */
137 uint16_t numRiocb; /* number of rsp iocb's per ring */
138
139 uint32_t fast_iotag; /* max fastlookup based iotag */
140 uint32_t iotag_ctr; /* keeps track of the next iotag to use */
141 uint32_t iotag_max; /* max iotag value to use */
142 struct lpfc_iocbq ** fast_lookup; /* array of IOCB ptrs indexed by
143 iotag */
144 struct list_head txq;
145 uint16_t txq_cnt; /* current length of queue */
146 uint16_t txq_max; /* max length */
147 struct list_head txcmplq;
148 uint16_t txcmplq_cnt; /* current length of queue */
149 uint16_t txcmplq_max; /* max length */
150 uint32_t *cmdringaddr; /* virtual address for cmd rings */
151 uint32_t *rspringaddr; /* virtual address for rsp rings */
152 uint32_t missbufcnt; /* keep track of buffers to post */
153 struct list_head postbufq;
154 uint16_t postbufq_cnt; /* current length of queue */
155 uint16_t postbufq_max; /* max length */
156 struct list_head iocb_continueq;
157 uint16_t iocb_continueq_cnt; /* current length of queue */
158 uint16_t iocb_continueq_max; /* max length */
159
160 struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK];
161 uint32_t num_mask; /* number of mask entries in prt array */
162
163 struct lpfc_sli_ring_stat stats; /* SLI statistical info */
164
165 /* cmd ring available */
166 void (*lpfc_sli_cmd_available) (struct lpfc_hba *,
167 struct lpfc_sli_ring *);
168};
169
170/* Structure used to hold SLI statistical counters and info */
171struct lpfc_sli_stat {
172 uint64_t mbox_stat_err; /* Mbox cmds completed status error */
173 uint64_t mbox_cmd; /* Mailbox commands issued */
174 uint64_t sli_intr; /* Count of Host Attention interrupts */
175 uint32_t err_attn_event; /* Error Attn event counters */
176 uint32_t link_event; /* Link event counters */
177 uint32_t mbox_event; /* Mailbox event counters */
178 uint32_t mbox_busy; /* Mailbox cmd busy */
179};
180
181/* Structure used to hold SLI information */
182struct lpfc_sli {
183 uint32_t num_rings;
184 uint32_t sli_flag;
185
186 /* Additional sli_flags */
187#define LPFC_SLI_MBOX_ACTIVE 0x100 /* HBA mailbox is currently active */
188#define LPFC_SLI2_ACTIVE 0x200 /* SLI2 overlay in firmware is active */
189#define LPFC_PROCESS_LA 0x400 /* Able to process link attention */
190
191 struct lpfc_sli_ring ring[LPFC_MAX_RING];
192 int fcp_ring; /* ring used for FCP initiator commands */
193 int next_ring;
194
195 int ip_ring; /* ring used for IP network drv cmds */
196
197 struct lpfc_sli_stat slistat; /* SLI statistical info */
198 struct list_head mboxq;
199 uint16_t mboxq_cnt; /* current length of queue */
200 uint16_t mboxq_max; /* max length */
201 LPFC_MBOXQ_t *mbox_active; /* active mboxq information */
202
203 struct timer_list mbox_tmo; /* Hold clk to timeout active mbox
204 cmd */
205
206 uint32_t *MBhostaddr; /* virtual address for mbox cmds */
207};
208
209/* Given a pointer to the start of the ring, and the slot number of
210 * the desired iocb entry, calc a pointer to that entry.
211 * (assume iocb entry size is 32 bytes, or 8 words)
212 */
213#define IOCB_ENTRY(ring,slot) ((IOCB_t *)(((char *)(ring)) + ((slot) * 32)))
214
215#define LPFC_MBOX_TMO 30 /* Sec tmo for outstanding mbox
216 command */
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
new file mode 100644
index 000000000000..dfacd8d82097
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -0,0 +1,32 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.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, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc_version.h 1.49 2005/04/13 15:07:19EDT sf_support Exp $
23 */
24
25#define LPFC_DRIVER_VERSION "8.0.28"
26
27#define LPFC_DRIVER_NAME "lpfc"
28
29#define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \
30 LPFC_DRIVER_VERSION
31
32#define DFC_API_VERSION "0.0.0"
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 15:21:31 -0500