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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.h')
-rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.h | 779 |
1 files changed, 779 insertions, 0 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h new file mode 100644 index 000000000000..11fc17f218c8 --- /dev/null +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h | |||
@@ -0,0 +1,779 @@ | |||
1 | /* | ||
2 | * This is the Fusion MPT base driver providing common API layer interface | ||
3 | * for access to MPT (Message Passing Technology) firmware. | ||
4 | * | ||
5 | * This code is based on drivers/scsi/mpt2sas/mpt2_base.h | ||
6 | * Copyright (C) 2007-2008 LSI Corporation | ||
7 | * (mailto:DL-MPTFusionLinux@lsi.com) | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version 2 | ||
12 | * of the License, or (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * NO WARRANTY | ||
20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | ||
21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | ||
22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | ||
23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | ||
24 | * solely responsible for determining the appropriateness of using and | ||
25 | * distributing the Program and assumes all risks associated with its | ||
26 | * exercise of rights under this Agreement, including but not limited to | ||
27 | * the risks and costs of program errors, damage to or loss of data, | ||
28 | * programs or equipment, and unavailability or interruption of operations. | ||
29 | |||
30 | * DISCLAIMER OF LIABILITY | ||
31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | ||
32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | ||
34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | ||
35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | ||
36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | ||
37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | ||
38 | |||
39 | * You should have received a copy of the GNU General Public License | ||
40 | * along with this program; if not, write to the Free Software | ||
41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | ||
42 | * USA. | ||
43 | */ | ||
44 | |||
45 | #ifndef MPT2SAS_BASE_H_INCLUDED | ||
46 | #define MPT2SAS_BASE_H_INCLUDED | ||
47 | |||
48 | #include "mpi/mpi2_type.h" | ||
49 | #include "mpi/mpi2.h" | ||
50 | #include "mpi/mpi2_ioc.h" | ||
51 | #include "mpi/mpi2_cnfg.h" | ||
52 | #include "mpi/mpi2_init.h" | ||
53 | #include "mpi/mpi2_raid.h" | ||
54 | #include "mpi/mpi2_tool.h" | ||
55 | #include "mpi/mpi2_sas.h" | ||
56 | |||
57 | #include <scsi/scsi.h> | ||
58 | #include <scsi/scsi_cmnd.h> | ||
59 | #include <scsi/scsi_device.h> | ||
60 | #include <scsi/scsi_host.h> | ||
61 | #include <scsi/scsi_tcq.h> | ||
62 | #include <scsi/scsi_transport_sas.h> | ||
63 | #include <scsi/scsi_dbg.h> | ||
64 | |||
65 | #include "mpt2sas_debug.h" | ||
66 | |||
67 | /* driver versioning info */ | ||
68 | #define MPT2SAS_DRIVER_NAME "mpt2sas" | ||
69 | #define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>" | ||
70 | #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" | ||
71 | #define MPT2SAS_DRIVER_VERSION "00.100.11.15" | ||
72 | #define MPT2SAS_MAJOR_VERSION 00 | ||
73 | #define MPT2SAS_MINOR_VERSION 100 | ||
74 | #define MPT2SAS_BUILD_VERSION 11 | ||
75 | #define MPT2SAS_RELEASE_VERSION 15 | ||
76 | |||
77 | /* | ||
78 | * Set MPT2SAS_SG_DEPTH value based on user input. | ||
79 | */ | ||
80 | #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE | ||
81 | #if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16 | ||
82 | #define MPT2SAS_SG_DEPTH 16 | ||
83 | #elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128 | ||
84 | #define MPT2SAS_SG_DEPTH 128 | ||
85 | #else | ||
86 | #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE | ||
87 | #endif | ||
88 | #else | ||
89 | #define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */ | ||
90 | #endif | ||
91 | |||
92 | |||
93 | /* | ||
94 | * Generic Defines | ||
95 | */ | ||
96 | #define MPT2SAS_SATA_QUEUE_DEPTH 32 | ||
97 | #define MPT2SAS_SAS_QUEUE_DEPTH 254 | ||
98 | #define MPT2SAS_RAID_QUEUE_DEPTH 128 | ||
99 | |||
100 | #define MPT_NAME_LENGTH 32 /* generic length of strings */ | ||
101 | #define MPT_STRING_LENGTH 64 | ||
102 | |||
103 | #define MPT_MAX_CALLBACKS 16 | ||
104 | |||
105 | #define CAN_SLEEP 1 | ||
106 | #define NO_SLEEP 0 | ||
107 | |||
108 | #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */ | ||
109 | |||
110 | #define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/ | ||
111 | |||
112 | #define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF | ||
113 | |||
114 | |||
115 | /* | ||
116 | * reset phases | ||
117 | */ | ||
118 | #define MPT2_IOC_PRE_RESET 1 /* prior to host reset */ | ||
119 | #define MPT2_IOC_AFTER_RESET 2 /* just after host reset */ | ||
120 | #define MPT2_IOC_DONE_RESET 3 /* links re-initialized */ | ||
121 | |||
122 | /* | ||
123 | * logging format | ||
124 | */ | ||
125 | #define MPT2SAS_FMT "%s: " | ||
126 | #define MPT2SAS_DEBUG_FMT KERN_DEBUG MPT2SAS_FMT | ||
127 | #define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT | ||
128 | #define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT | ||
129 | #define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT | ||
130 | #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT | ||
131 | |||
132 | /* | ||
133 | * per target private data | ||
134 | */ | ||
135 | #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 | ||
136 | #define MPT_TARGET_FLAGS_VOLUME 0x02 | ||
137 | #define MPT_TARGET_FLAGS_DELETED 0x04 | ||
138 | |||
139 | /** | ||
140 | * struct MPT2SAS_TARGET - starget private hostdata | ||
141 | * @starget: starget object | ||
142 | * @sas_address: target sas address | ||
143 | * @handle: device handle | ||
144 | * @num_luns: number luns | ||
145 | * @flags: MPT_TARGET_FLAGS_XXX flags | ||
146 | * @deleted: target flaged for deletion | ||
147 | * @tm_busy: target is busy with TM request. | ||
148 | */ | ||
149 | struct MPT2SAS_TARGET { | ||
150 | struct scsi_target *starget; | ||
151 | u64 sas_address; | ||
152 | u16 handle; | ||
153 | int num_luns; | ||
154 | u32 flags; | ||
155 | u8 deleted; | ||
156 | u8 tm_busy; | ||
157 | }; | ||
158 | |||
159 | /* | ||
160 | * per device private data | ||
161 | */ | ||
162 | #define MPT_DEVICE_FLAGS_INIT 0x01 | ||
163 | #define MPT_DEVICE_TLR_ON 0x02 | ||
164 | |||
165 | /** | ||
166 | * struct MPT2SAS_DEVICE - sdev private hostdata | ||
167 | * @sas_target: starget private hostdata | ||
168 | * @lun: lun number | ||
169 | * @flags: MPT_DEVICE_XXX flags | ||
170 | * @configured_lun: lun is configured | ||
171 | * @block: device is in SDEV_BLOCK state | ||
172 | * @tlr_snoop_check: flag used in determining whether to disable TLR | ||
173 | */ | ||
174 | struct MPT2SAS_DEVICE { | ||
175 | struct MPT2SAS_TARGET *sas_target; | ||
176 | unsigned int lun; | ||
177 | u32 flags; | ||
178 | u8 configured_lun; | ||
179 | u8 block; | ||
180 | u8 tlr_snoop_check; | ||
181 | }; | ||
182 | |||
183 | #define MPT2_CMD_NOT_USED 0x8000 /* free */ | ||
184 | #define MPT2_CMD_COMPLETE 0x0001 /* completed */ | ||
185 | #define MPT2_CMD_PENDING 0x0002 /* pending */ | ||
186 | #define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */ | ||
187 | #define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */ | ||
188 | |||
189 | /** | ||
190 | * struct _internal_cmd - internal commands struct | ||
191 | * @mutex: mutex | ||
192 | * @done: completion | ||
193 | * @reply: reply message pointer | ||
194 | * @status: MPT2_CMD_XXX status | ||
195 | * @smid: system message id | ||
196 | */ | ||
197 | struct _internal_cmd { | ||
198 | struct mutex mutex; | ||
199 | struct completion done; | ||
200 | void *reply; | ||
201 | u16 status; | ||
202 | u16 smid; | ||
203 | }; | ||
204 | |||
205 | /* | ||
206 | * SAS Topology Structures | ||
207 | */ | ||
208 | |||
209 | /** | ||
210 | * struct _sas_device - attached device information | ||
211 | * @list: sas device list | ||
212 | * @starget: starget object | ||
213 | * @sas_address: device sas address | ||
214 | * @device_name: retrieved from the SAS IDENTIFY frame. | ||
215 | * @handle: device handle | ||
216 | * @parent_handle: handle to parent device | ||
217 | * @enclosure_handle: enclosure handle | ||
218 | * @enclosure_logical_id: enclosure logical identifier | ||
219 | * @volume_handle: volume handle (valid when hidden raid member) | ||
220 | * @volume_wwid: volume unique identifier | ||
221 | * @device_info: bitfield provides detailed info about the device | ||
222 | * @id: target id | ||
223 | * @channel: target channel | ||
224 | * @slot: number number | ||
225 | * @hidden_raid_component: set to 1 when this is a raid member | ||
226 | * @responding: used in _scsih_sas_device_mark_responding | ||
227 | */ | ||
228 | struct _sas_device { | ||
229 | struct list_head list; | ||
230 | struct scsi_target *starget; | ||
231 | u64 sas_address; | ||
232 | u64 device_name; | ||
233 | u16 handle; | ||
234 | u16 parent_handle; | ||
235 | u16 enclosure_handle; | ||
236 | u64 enclosure_logical_id; | ||
237 | u16 volume_handle; | ||
238 | u64 volume_wwid; | ||
239 | u32 device_info; | ||
240 | int id; | ||
241 | int channel; | ||
242 | u16 slot; | ||
243 | u8 hidden_raid_component; | ||
244 | u8 responding; | ||
245 | }; | ||
246 | |||
247 | /** | ||
248 | * struct _raid_device - raid volume link list | ||
249 | * @list: sas device list | ||
250 | * @starget: starget object | ||
251 | * @sdev: scsi device struct (volumes are single lun) | ||
252 | * @wwid: unique identifier for the volume | ||
253 | * @handle: device handle | ||
254 | * @id: target id | ||
255 | * @channel: target channel | ||
256 | * @volume_type: the raid level | ||
257 | * @device_info: bitfield provides detailed info about the hidden components | ||
258 | * @num_pds: number of hidden raid components | ||
259 | * @responding: used in _scsih_raid_device_mark_responding | ||
260 | */ | ||
261 | struct _raid_device { | ||
262 | struct list_head list; | ||
263 | struct scsi_target *starget; | ||
264 | struct scsi_device *sdev; | ||
265 | u64 wwid; | ||
266 | u16 handle; | ||
267 | int id; | ||
268 | int channel; | ||
269 | u8 volume_type; | ||
270 | u32 device_info; | ||
271 | u8 num_pds; | ||
272 | u8 responding; | ||
273 | }; | ||
274 | |||
275 | /** | ||
276 | * struct _boot_device - boot device info | ||
277 | * @is_raid: flag to indicate whether this is volume | ||
278 | * @device: holds pointer for either struct _sas_device or | ||
279 | * struct _raid_device | ||
280 | */ | ||
281 | struct _boot_device { | ||
282 | u8 is_raid; | ||
283 | void *device; | ||
284 | }; | ||
285 | |||
286 | /** | ||
287 | * struct _sas_port - wide/narrow sas port information | ||
288 | * @port_list: list of ports belonging to expander | ||
289 | * @handle: device handle for this port | ||
290 | * @sas_address: sas address of this port | ||
291 | * @num_phys: number of phys belonging to this port | ||
292 | * @remote_identify: attached device identification | ||
293 | * @rphy: sas transport rphy object | ||
294 | * @port: sas transport wide/narrow port object | ||
295 | * @phy_list: _sas_phy list objects belonging to this port | ||
296 | */ | ||
297 | struct _sas_port { | ||
298 | struct list_head port_list; | ||
299 | u16 handle; | ||
300 | u64 sas_address; | ||
301 | u8 num_phys; | ||
302 | struct sas_identify remote_identify; | ||
303 | struct sas_rphy *rphy; | ||
304 | struct sas_port *port; | ||
305 | struct list_head phy_list; | ||
306 | }; | ||
307 | |||
308 | /** | ||
309 | * struct _sas_phy - phy information | ||
310 | * @port_siblings: list of phys belonging to a port | ||
311 | * @identify: phy identification | ||
312 | * @remote_identify: attached device identification | ||
313 | * @phy: sas transport phy object | ||
314 | * @phy_id: unique phy id | ||
315 | * @handle: device handle for this phy | ||
316 | * @attached_handle: device handle for attached device | ||
317 | */ | ||
318 | struct _sas_phy { | ||
319 | struct list_head port_siblings; | ||
320 | struct sas_identify identify; | ||
321 | struct sas_identify remote_identify; | ||
322 | struct sas_phy *phy; | ||
323 | u8 phy_id; | ||
324 | u16 handle; | ||
325 | u16 attached_handle; | ||
326 | }; | ||
327 | |||
328 | /** | ||
329 | * struct _sas_node - sas_host/expander information | ||
330 | * @list: list of expanders | ||
331 | * @parent_dev: parent device class | ||
332 | * @num_phys: number phys belonging to this sas_host/expander | ||
333 | * @sas_address: sas address of this sas_host/expander | ||
334 | * @handle: handle for this sas_host/expander | ||
335 | * @parent_handle: parent handle | ||
336 | * @enclosure_handle: handle for this a member of an enclosure | ||
337 | * @device_info: bitwise defining capabilities of this sas_host/expander | ||
338 | * @responding: used in _scsih_expander_device_mark_responding | ||
339 | * @phy: a list of phys that make up this sas_host/expander | ||
340 | * @sas_port_list: list of ports attached to this sas_host/expander | ||
341 | */ | ||
342 | struct _sas_node { | ||
343 | struct list_head list; | ||
344 | struct device *parent_dev; | ||
345 | u8 num_phys; | ||
346 | u64 sas_address; | ||
347 | u16 handle; | ||
348 | u16 parent_handle; | ||
349 | u16 enclosure_handle; | ||
350 | u64 enclosure_logical_id; | ||
351 | u8 responding; | ||
352 | struct _sas_phy *phy; | ||
353 | struct list_head sas_port_list; | ||
354 | }; | ||
355 | |||
356 | /** | ||
357 | * enum reset_type - reset state | ||
358 | * @FORCE_BIG_HAMMER: issue diagnostic reset | ||
359 | * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer | ||
360 | */ | ||
361 | enum reset_type { | ||
362 | FORCE_BIG_HAMMER, | ||
363 | SOFT_RESET, | ||
364 | }; | ||
365 | |||
366 | /** | ||
367 | * struct request_tracker - firmware request tracker | ||
368 | * @smid: system message id | ||
369 | * @scmd: scsi request pointer | ||
370 | * @cb_idx: callback index | ||
371 | * @chain_list: list of chains associated to this IO | ||
372 | * @tracker_list: list of free request (ioc->free_list) | ||
373 | */ | ||
374 | struct request_tracker { | ||
375 | u16 smid; | ||
376 | struct scsi_cmnd *scmd; | ||
377 | u8 cb_idx; | ||
378 | struct list_head tracker_list; | ||
379 | }; | ||
380 | |||
381 | typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr); | ||
382 | |||
383 | /** | ||
384 | * struct MPT2SAS_ADAPTER - per adapter struct | ||
385 | * @list: ioc_list | ||
386 | * @shost: shost object | ||
387 | * @id: unique adapter id | ||
388 | * @pci_irq: irq number | ||
389 | * @name: generic ioc string | ||
390 | * @tmp_string: tmp string used for logging | ||
391 | * @pdev: pci pdev object | ||
392 | * @chip: memory mapped register space | ||
393 | * @chip_phys: physical addrss prior to mapping | ||
394 | * @pio_chip: I/O mapped register space | ||
395 | * @logging_level: see mpt2sas_debug.h | ||
396 | * @ir_firmware: IR firmware present | ||
397 | * @bars: bitmask of BAR's that must be configured | ||
398 | * @mask_interrupts: ignore interrupt | ||
399 | * @fault_reset_work_q_name: fw fault work queue | ||
400 | * @fault_reset_work_q: "" | ||
401 | * @fault_reset_work: "" | ||
402 | * @firmware_event_name: fw event work queue | ||
403 | * @firmware_event_thread: "" | ||
404 | * @fw_events_off: flag to turn off fw event handling | ||
405 | * @fw_event_lock: | ||
406 | * @fw_event_list: list of fw events | ||
407 | * @aen_event_read_flag: event log was read | ||
408 | * @broadcast_aen_busy: broadcast aen waiting to be serviced | ||
409 | * @ioc_reset_in_progress: host reset in progress | ||
410 | * @ioc_reset_in_progress_lock: | ||
411 | * @ioc_link_reset_in_progress: phy/hard reset in progress | ||
412 | * @ignore_loginfos: ignore loginfos during task managment | ||
413 | * @remove_host: flag for when driver unloads, to avoid sending dev resets | ||
414 | * @wait_for_port_enable_to_complete: | ||
415 | * @msix_enable: flag indicating msix is enabled | ||
416 | * @msix_vector_count: number msix vectors | ||
417 | * @msix_table: virt address to the msix table | ||
418 | * @msix_table_backup: backup msix table | ||
419 | * @scsi_io_cb_idx: shost generated commands | ||
420 | * @tm_cb_idx: task management commands | ||
421 | * @transport_cb_idx: transport internal commands | ||
422 | * @ctl_cb_idx: clt internal commands | ||
423 | * @base_cb_idx: base internal commands | ||
424 | * @config_cb_idx: base internal commands | ||
425 | * @base_cmds: | ||
426 | * @transport_cmds: | ||
427 | * @tm_cmds: | ||
428 | * @ctl_cmds: | ||
429 | * @config_cmds: | ||
430 | * @base_add_sg_single: handler for either 32/64 bit sgl's | ||
431 | * @event_type: bits indicating which events to log | ||
432 | * @event_context: unique id for each logged event | ||
433 | * @event_log: event log pointer | ||
434 | * @event_masks: events that are masked | ||
435 | * @facts: static facts data | ||
436 | * @pfacts: static port facts data | ||
437 | * @manu_pg0: static manufacturing page 0 | ||
438 | * @bios_pg2: static bios page 2 | ||
439 | * @bios_pg3: static bios page 3 | ||
440 | * @ioc_pg8: static ioc page 8 | ||
441 | * @iounit_pg0: static iounit page 0 | ||
442 | * @iounit_pg1: static iounit page 1 | ||
443 | * @sas_hba: sas host object | ||
444 | * @sas_expander_list: expander object list | ||
445 | * @sas_node_lock: | ||
446 | * @sas_device_list: sas device object list | ||
447 | * @sas_device_init_list: sas device object list (used only at init time) | ||
448 | * @sas_device_lock: | ||
449 | * @io_missing_delay: time for IO completed by fw when PDR enabled | ||
450 | * @device_missing_delay: time for device missing by fw when PDR enabled | ||
451 | * @config_page_sz: config page size | ||
452 | * @config_page: reserve memory for config page payload | ||
453 | * @config_page_dma: | ||
454 | * @sge_size: sg element size for either 32/64 bit | ||
455 | * @request_depth: hba request queue depth | ||
456 | * @request_sz: per request frame size | ||
457 | * @request: pool of request frames | ||
458 | * @request_dma: | ||
459 | * @request_dma_sz: | ||
460 | * @scsi_lookup: firmware request tracker list | ||
461 | * @scsi_lookup_lock: | ||
462 | * @free_list: free list of request | ||
463 | * @chain: pool of chains | ||
464 | * @pending_io_count: | ||
465 | * @reset_wq: | ||
466 | * @chain_dma: | ||
467 | * @max_sges_in_main_message: number sg elements in main message | ||
468 | * @max_sges_in_chain_message: number sg elements per chain | ||
469 | * @chains_needed_per_io: max chains per io | ||
470 | * @chain_offset_value_for_main_message: location 1st sg in main | ||
471 | * @chain_depth: total chains allocated | ||
472 | * @sense: pool of sense | ||
473 | * @sense_dma: | ||
474 | * @sense_dma_pool: | ||
475 | * @reply_depth: hba reply queue depth: | ||
476 | * @reply_sz: per reply frame size: | ||
477 | * @reply: pool of replys: | ||
478 | * @reply_dma: | ||
479 | * @reply_dma_pool: | ||
480 | * @reply_free_queue_depth: reply free depth | ||
481 | * @reply_free: pool for reply free queue (32 bit addr) | ||
482 | * @reply_free_dma: | ||
483 | * @reply_free_dma_pool: | ||
484 | * @reply_free_host_index: tail index in pool to insert free replys | ||
485 | * @reply_post_queue_depth: reply post queue depth | ||
486 | * @reply_post_free: pool for reply post (64bit descriptor) | ||
487 | * @reply_post_free_dma: | ||
488 | * @reply_post_free_dma_pool: | ||
489 | * @reply_post_host_index: head index in the pool where FW completes IO | ||
490 | */ | ||
491 | struct MPT2SAS_ADAPTER { | ||
492 | struct list_head list; | ||
493 | struct Scsi_Host *shost; | ||
494 | u8 id; | ||
495 | u32 pci_irq; | ||
496 | char name[MPT_NAME_LENGTH]; | ||
497 | char tmp_string[MPT_STRING_LENGTH]; | ||
498 | struct pci_dev *pdev; | ||
499 | Mpi2SystemInterfaceRegs_t __iomem *chip; | ||
500 | unsigned long chip_phys; | ||
501 | unsigned long pio_chip; | ||
502 | int logging_level; | ||
503 | u8 ir_firmware; | ||
504 | int bars; | ||
505 | u8 mask_interrupts; | ||
506 | |||
507 | /* fw fault handler */ | ||
508 | char fault_reset_work_q_name[20]; | ||
509 | struct workqueue_struct *fault_reset_work_q; | ||
510 | struct delayed_work fault_reset_work; | ||
511 | |||
512 | /* fw event handler */ | ||
513 | char firmware_event_name[20]; | ||
514 | struct workqueue_struct *firmware_event_thread; | ||
515 | u8 fw_events_off; | ||
516 | spinlock_t fw_event_lock; | ||
517 | struct list_head fw_event_list; | ||
518 | |||
519 | /* misc flags */ | ||
520 | int aen_event_read_flag; | ||
521 | u8 broadcast_aen_busy; | ||
522 | u8 ioc_reset_in_progress; | ||
523 | u8 shost_recovery; | ||
524 | spinlock_t ioc_reset_in_progress_lock; | ||
525 | u8 ioc_link_reset_in_progress; | ||
526 | u8 ignore_loginfos; | ||
527 | u8 remove_host; | ||
528 | u8 wait_for_port_enable_to_complete; | ||
529 | |||
530 | u8 msix_enable; | ||
531 | u16 msix_vector_count; | ||
532 | u32 *msix_table; | ||
533 | u32 *msix_table_backup; | ||
534 | |||
535 | /* internal commands, callback index */ | ||
536 | u8 scsi_io_cb_idx; | ||
537 | u8 tm_cb_idx; | ||
538 | u8 transport_cb_idx; | ||
539 | u8 ctl_cb_idx; | ||
540 | u8 base_cb_idx; | ||
541 | u8 config_cb_idx; | ||
542 | struct _internal_cmd base_cmds; | ||
543 | struct _internal_cmd transport_cmds; | ||
544 | struct _internal_cmd tm_cmds; | ||
545 | struct _internal_cmd ctl_cmds; | ||
546 | struct _internal_cmd config_cmds; | ||
547 | |||
548 | MPT_ADD_SGE base_add_sg_single; | ||
549 | |||
550 | /* event log */ | ||
551 | u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; | ||
552 | u32 event_context; | ||
553 | void *event_log; | ||
554 | u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; | ||
555 | |||
556 | /* static config pages */ | ||
557 | Mpi2IOCFactsReply_t facts; | ||
558 | Mpi2PortFactsReply_t *pfacts; | ||
559 | Mpi2ManufacturingPage0_t manu_pg0; | ||
560 | Mpi2BiosPage2_t bios_pg2; | ||
561 | Mpi2BiosPage3_t bios_pg3; | ||
562 | Mpi2IOCPage8_t ioc_pg8; | ||
563 | Mpi2IOUnitPage0_t iounit_pg0; | ||
564 | Mpi2IOUnitPage1_t iounit_pg1; | ||
565 | |||
566 | struct _boot_device req_boot_device; | ||
567 | struct _boot_device req_alt_boot_device; | ||
568 | struct _boot_device current_boot_device; | ||
569 | |||
570 | /* sas hba, expander, and device list */ | ||
571 | struct _sas_node sas_hba; | ||
572 | struct list_head sas_expander_list; | ||
573 | spinlock_t sas_node_lock; | ||
574 | struct list_head sas_device_list; | ||
575 | struct list_head sas_device_init_list; | ||
576 | spinlock_t sas_device_lock; | ||
577 | struct list_head raid_device_list; | ||
578 | spinlock_t raid_device_lock; | ||
579 | u8 io_missing_delay; | ||
580 | u16 device_missing_delay; | ||
581 | int sas_id; | ||
582 | |||
583 | /* config page */ | ||
584 | u16 config_page_sz; | ||
585 | void *config_page; | ||
586 | dma_addr_t config_page_dma; | ||
587 | |||
588 | /* request */ | ||
589 | u16 sge_size; | ||
590 | u16 request_depth; | ||
591 | u16 request_sz; | ||
592 | u8 *request; | ||
593 | dma_addr_t request_dma; | ||
594 | u32 request_dma_sz; | ||
595 | struct request_tracker *scsi_lookup; | ||
596 | spinlock_t scsi_lookup_lock; | ||
597 | struct list_head free_list; | ||
598 | int pending_io_count; | ||
599 | wait_queue_head_t reset_wq; | ||
600 | |||
601 | /* chain */ | ||
602 | u8 *chain; | ||
603 | dma_addr_t chain_dma; | ||
604 | u16 max_sges_in_main_message; | ||
605 | u16 max_sges_in_chain_message; | ||
606 | u16 chains_needed_per_io; | ||
607 | u16 chain_offset_value_for_main_message; | ||
608 | u16 chain_depth; | ||
609 | |||
610 | /* sense */ | ||
611 | u8 *sense; | ||
612 | dma_addr_t sense_dma; | ||
613 | struct dma_pool *sense_dma_pool; | ||
614 | |||
615 | /* reply */ | ||
616 | u16 reply_sz; | ||
617 | u8 *reply; | ||
618 | dma_addr_t reply_dma; | ||
619 | struct dma_pool *reply_dma_pool; | ||
620 | |||
621 | /* reply free queue */ | ||
622 | u16 reply_free_queue_depth; | ||
623 | u32 *reply_free; | ||
624 | dma_addr_t reply_free_dma; | ||
625 | struct dma_pool *reply_free_dma_pool; | ||
626 | u32 reply_free_host_index; | ||
627 | |||
628 | /* reply post queue */ | ||
629 | u16 reply_post_queue_depth; | ||
630 | Mpi2ReplyDescriptorsUnion_t *reply_post_free; | ||
631 | dma_addr_t reply_post_free_dma; | ||
632 | struct dma_pool *reply_post_free_dma_pool; | ||
633 | u32 reply_post_host_index; | ||
634 | |||
635 | /* diag buffer support */ | ||
636 | u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT]; | ||
637 | u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT]; | ||
638 | dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT]; | ||
639 | u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT]; | ||
640 | u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT]; | ||
641 | u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23]; | ||
642 | u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT]; | ||
643 | }; | ||
644 | |||
645 | typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, | ||
646 | u32 reply); | ||
647 | |||
648 | |||
649 | /* base shared API */ | ||
650 | extern struct list_head ioc_list; | ||
651 | |||
652 | int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc); | ||
653 | void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc); | ||
654 | int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc); | ||
655 | void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc); | ||
656 | int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | ||
657 | enum reset_type type); | ||
658 | |||
659 | void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid); | ||
660 | void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid); | ||
661 | void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr); | ||
662 | dma_addr_t mpt2sas_base_get_msg_frame_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid); | ||
663 | dma_addr_t mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid); | ||
664 | |||
665 | u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); | ||
666 | void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid); | ||
667 | void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id, | ||
668 | u16 handle); | ||
669 | void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id); | ||
670 | void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, | ||
671 | u8 vf_id, u16 io_index); | ||
672 | void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id); | ||
673 | void mpt2sas_base_initialize_callback_handler(void); | ||
674 | u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func); | ||
675 | void mpt2sas_base_release_callback_handler(u8 cb_idx); | ||
676 | |||
677 | void mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply); | ||
678 | void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr); | ||
679 | |||
680 | u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked); | ||
681 | |||
682 | void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code); | ||
683 | int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, | ||
684 | Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t | ||
685 | *mpi_request); | ||
686 | int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, | ||
687 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request); | ||
688 | void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type); | ||
689 | |||
690 | /* scsih shared API */ | ||
691 | void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, | ||
692 | u8 type, u16 smid_task, ulong timeout); | ||
693 | void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); | ||
694 | void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); | ||
695 | struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, | ||
696 | u16 handle); | ||
697 | struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER | ||
698 | *ioc, u64 sas_address); | ||
699 | struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address( | ||
700 | struct MPT2SAS_ADAPTER *ioc, u64 sas_address); | ||
701 | |||
702 | void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply); | ||
703 | void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); | ||
704 | |||
705 | /* config shared API */ | ||
706 | void mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply); | ||
707 | int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys); | ||
708 | int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, | ||
709 | Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page); | ||
710 | int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
711 | *mpi_reply, Mpi2BiosPage2_t *config_page); | ||
712 | int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
713 | *mpi_reply, Mpi2BiosPage3_t *config_page); | ||
714 | int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
715 | *mpi_reply, Mpi2IOUnitPage0_t *config_page); | ||
716 | int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
717 | *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle); | ||
718 | int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
719 | *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle); | ||
720 | int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
721 | *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz); | ||
722 | int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
723 | *mpi_reply, Mpi2IOUnitPage1_t *config_page); | ||
724 | int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
725 | *mpi_reply, Mpi2IOUnitPage1_t config_page); | ||
726 | int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
727 | *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); | ||
728 | int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
729 | *mpi_reply, Mpi2IOCPage8_t *config_page); | ||
730 | int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
731 | *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle); | ||
732 | int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
733 | *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle); | ||
734 | int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
735 | *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle); | ||
736 | int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
737 | *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number); | ||
738 | int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
739 | *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number); | ||
740 | int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
741 | *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle); | ||
742 | int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds); | ||
743 | int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
744 | *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz); | ||
745 | int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t | ||
746 | *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form, | ||
747 | u32 form_specific); | ||
748 | int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, | ||
749 | u16 *volume_handle); | ||
750 | int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle, | ||
751 | u64 *wwid); | ||
752 | |||
753 | /* ctl shared API */ | ||
754 | extern struct device_attribute *mpt2sas_host_attrs[]; | ||
755 | extern struct device_attribute *mpt2sas_dev_attrs[]; | ||
756 | void mpt2sas_ctl_init(void); | ||
757 | void mpt2sas_ctl_exit(void); | ||
758 | void mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply); | ||
759 | void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); | ||
760 | void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply); | ||
761 | void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, | ||
762 | Mpi2EventNotificationReply_t *mpi_reply); | ||
763 | |||
764 | /* transport shared API */ | ||
765 | void mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply); | ||
766 | struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, | ||
767 | u16 handle, u16 parent_handle); | ||
768 | void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | ||
769 | u16 parent_handle); | ||
770 | int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | ||
771 | *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev); | ||
772 | int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | ||
773 | *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev); | ||
774 | void mpt2sas_transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle, | ||
775 | u16 attached_handle, u8 phy_number, u8 link_rate); | ||
776 | extern struct sas_function_template mpt2sas_transport_functions; | ||
777 | extern struct scsi_transport_template *mpt2sas_transport_template; | ||
778 | |||
779 | #endif /* MPT2SAS_BASE_H_INCLUDED */ | ||