Commit | Line | Data |
---|---|---|
2cc37b15 | 1 | // SPDX-License-Identifier: GPL-2.0 |
6c223761 | 2 | /* |
889653ec | 3 | * driver for Microchip PQI-based storage controllers |
e4b73b3f | 4 | * Copyright (c) 2019-2022 Microchip Technology Inc. and its subsidiaries |
2f4c4b92 | 5 | * Copyright (c) 2016-2018 Microsemi Corporation |
6c223761 KB |
6 | * Copyright (c) 2016 PMC-Sierra, Inc. |
7 | * | |
2f4c4b92 | 8 | * Questions/Comments/Bugfixes to storagedev@microchip.com |
6c223761 KB |
9 | * |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/pci.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/sched.h> | |
18 | #include <linux/rtc.h> | |
19 | #include <linux/bcd.h> | |
3c50976f | 20 | #include <linux/reboot.h> |
6c223761 | 21 | #include <linux/cciss_ioctl.h> |
52198226 | 22 | #include <linux/blk-mq-pci.h> |
6c223761 KB |
23 | #include <scsi/scsi_host.h> |
24 | #include <scsi/scsi_cmnd.h> | |
25 | #include <scsi/scsi_device.h> | |
26 | #include <scsi/scsi_eh.h> | |
27 | #include <scsi/scsi_transport_sas.h> | |
28 | #include <asm/unaligned.h> | |
29 | #include "smartpqi.h" | |
30 | #include "smartpqi_sis.h" | |
31 | ||
32 | #if !defined(BUILD_TIMESTAMP) | |
33 | #define BUILD_TIMESTAMP | |
34 | #endif | |
35 | ||
f54f85df | 36 | #define DRIVER_VERSION "2.1.18-045" |
d56030f8 DB |
37 | #define DRIVER_MAJOR 2 |
38 | #define DRIVER_MINOR 1 | |
f54f85df DB |
39 | #define DRIVER_RELEASE 18 |
40 | #define DRIVER_REVISION 45 | |
6c223761 | 41 | |
6aa26b5a | 42 | #define DRIVER_NAME "Microchip SmartPQI Driver (v" \ |
2d154f5f | 43 | DRIVER_VERSION BUILD_TIMESTAMP ")" |
6c223761 KB |
44 | #define DRIVER_NAME_SHORT "smartpqi" |
45 | ||
e1d213bd KB |
46 | #define PQI_EXTRA_SGL_MEMORY (12 * sizeof(struct pqi_sg_descriptor)) |
47 | ||
2790cd4d KB |
48 | #define PQI_POST_RESET_DELAY_SECS 5 |
49 | #define PQI_POST_OFA_RESET_DELAY_UPON_TIMEOUT_SECS 10 | |
50 | ||
6aa26b5a DB |
51 | MODULE_AUTHOR("Microchip"); |
52 | MODULE_DESCRIPTION("Driver for Microchip Smart Family Controller version " | |
6c223761 | 53 | DRIVER_VERSION); |
6c223761 KB |
54 | MODULE_VERSION(DRIVER_VERSION); |
55 | MODULE_LICENSE("GPL"); | |
56 | ||
c1ea387d BVA |
57 | struct pqi_cmd_priv { |
58 | int this_residual; | |
59 | }; | |
60 | ||
61 | static struct pqi_cmd_priv *pqi_cmd_priv(struct scsi_cmnd *cmd) | |
62 | { | |
63 | return scsi_cmd_priv(cmd); | |
64 | } | |
65 | ||
5e693586 | 66 | static void pqi_verify_structures(void); |
5d1f03e6 MB |
67 | static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, |
68 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason); | |
5f310425 | 69 | static void pqi_ctrl_offline_worker(struct work_struct *work); |
6c223761 KB |
70 | static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info); |
71 | static void pqi_scan_start(struct Scsi_Host *shost); | |
72 | static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, | |
73 | struct pqi_queue_group *queue_group, enum pqi_io_path path, | |
74 | struct pqi_io_request *io_request); | |
75 | static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, | |
76 | struct pqi_iu_header *request, unsigned int flags, | |
ae0c189d | 77 | struct pqi_raid_error_info *error_info); |
6c223761 KB |
78 | static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, |
79 | struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, | |
80 | unsigned int cdb_length, struct pqi_queue_group *queue_group, | |
2a47834d | 81 | struct pqi_encryption_info *encryption_info, bool raid_bypass, bool io_high_prio); |
7a012c23 DB |
82 | static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, |
83 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
84 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
85 | struct pqi_scsi_dev_raid_map_data *rmd); | |
6702d2c4 DB |
86 | static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, |
87 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
88 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
89 | struct pqi_scsi_dev_raid_map_data *rmd); | |
4fd22c13 MR |
90 | static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info); |
91 | static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info); | |
2790cd4d KB |
92 | static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs); |
93 | static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info); | |
4fd22c13 MR |
94 | static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info); |
95 | static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info); | |
1e46731e | 96 | static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, |
904f2bfd | 97 | struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs); |
331f7e99 | 98 | static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info); |
6c223761 KB |
99 | |
100 | /* for flags argument to pqi_submit_raid_request_synchronous() */ | |
101 | #define PQI_SYNC_FLAGS_INTERRUPTABLE 0x1 | |
102 | ||
103 | static struct scsi_transport_template *pqi_sas_transport_template; | |
104 | ||
105 | static atomic_t pqi_controller_count = ATOMIC_INIT(0); | |
106 | ||
3c50976f KB |
107 | enum pqi_lockup_action { |
108 | NONE, | |
109 | REBOOT, | |
110 | PANIC | |
111 | }; | |
112 | ||
113 | static enum pqi_lockup_action pqi_lockup_action = NONE; | |
114 | ||
115 | static struct { | |
116 | enum pqi_lockup_action action; | |
117 | char *name; | |
118 | } pqi_lockup_actions[] = { | |
119 | { | |
120 | .action = NONE, | |
121 | .name = "none", | |
122 | }, | |
123 | { | |
124 | .action = REBOOT, | |
125 | .name = "reboot", | |
126 | }, | |
127 | { | |
128 | .action = PANIC, | |
129 | .name = "panic", | |
130 | }, | |
131 | }; | |
132 | ||
6a50d6ad KB |
133 | static unsigned int pqi_supported_event_types[] = { |
134 | PQI_EVENT_TYPE_HOTPLUG, | |
135 | PQI_EVENT_TYPE_HARDWARE, | |
136 | PQI_EVENT_TYPE_PHYSICAL_DEVICE, | |
137 | PQI_EVENT_TYPE_LOGICAL_DEVICE, | |
4fd22c13 | 138 | PQI_EVENT_TYPE_OFA, |
6a50d6ad KB |
139 | PQI_EVENT_TYPE_AIO_STATE_CHANGE, |
140 | PQI_EVENT_TYPE_AIO_CONFIG_CHANGE, | |
141 | }; | |
142 | ||
6c223761 KB |
143 | static int pqi_disable_device_id_wildcards; |
144 | module_param_named(disable_device_id_wildcards, | |
cbe0c7b1 | 145 | pqi_disable_device_id_wildcards, int, 0644); |
6c223761 KB |
146 | MODULE_PARM_DESC(disable_device_id_wildcards, |
147 | "Disable device ID wildcards."); | |
148 | ||
5a259e32 KB |
149 | static int pqi_disable_heartbeat; |
150 | module_param_named(disable_heartbeat, | |
151 | pqi_disable_heartbeat, int, 0644); | |
152 | MODULE_PARM_DESC(disable_heartbeat, | |
153 | "Disable heartbeat."); | |
154 | ||
155 | static int pqi_disable_ctrl_shutdown; | |
156 | module_param_named(disable_ctrl_shutdown, | |
157 | pqi_disable_ctrl_shutdown, int, 0644); | |
158 | MODULE_PARM_DESC(disable_ctrl_shutdown, | |
159 | "Disable controller shutdown when controller locked up."); | |
160 | ||
3c50976f KB |
161 | static char *pqi_lockup_action_param; |
162 | module_param_named(lockup_action, | |
163 | pqi_lockup_action_param, charp, 0644); | |
164 | MODULE_PARM_DESC(lockup_action, "Action to take when controller locked up.\n" | |
165 | "\t\tSupported: none, reboot, panic\n" | |
166 | "\t\tDefault: none"); | |
167 | ||
5e6a9760 GW |
168 | static int pqi_expose_ld_first; |
169 | module_param_named(expose_ld_first, | |
170 | pqi_expose_ld_first, int, 0644); | |
583891c9 | 171 | MODULE_PARM_DESC(expose_ld_first, "Expose logical drives before physical drives."); |
5e6a9760 | 172 | |
522bc026 DC |
173 | static int pqi_hide_vsep; |
174 | module_param_named(hide_vsep, | |
175 | pqi_hide_vsep, int, 0644); | |
583891c9 | 176 | MODULE_PARM_DESC(hide_vsep, "Hide the virtual SEP for direct attached drives."); |
522bc026 | 177 | |
cf15c3e7 MM |
178 | static int pqi_disable_managed_interrupts; |
179 | module_param_named(disable_managed_interrupts, | |
180 | pqi_disable_managed_interrupts, int, 0644); | |
181 | MODULE_PARM_DESC(disable_managed_interrupts, | |
182 | "Disable the kernel automatically assigning SMP affinity to IRQs."); | |
183 | ||
6d567dfe KB |
184 | static unsigned int pqi_ctrl_ready_timeout_secs; |
185 | module_param_named(ctrl_ready_timeout, | |
186 | pqi_ctrl_ready_timeout_secs, uint, 0644); | |
187 | MODULE_PARM_DESC(ctrl_ready_timeout, | |
188 | "Timeout in seconds for driver to wait for controller ready."); | |
189 | ||
6c223761 KB |
190 | static char *raid_levels[] = { |
191 | "RAID-0", | |
192 | "RAID-4", | |
193 | "RAID-1(1+0)", | |
194 | "RAID-5", | |
195 | "RAID-5+1", | |
7a012c23 DB |
196 | "RAID-6", |
197 | "RAID-1(Triple)", | |
6c223761 KB |
198 | }; |
199 | ||
200 | static char *pqi_raid_level_to_string(u8 raid_level) | |
201 | { | |
202 | if (raid_level < ARRAY_SIZE(raid_levels)) | |
203 | return raid_levels[raid_level]; | |
204 | ||
a9f93392 | 205 | return "RAID UNKNOWN"; |
6c223761 KB |
206 | } |
207 | ||
208 | #define SA_RAID_0 0 | |
209 | #define SA_RAID_4 1 | |
210 | #define SA_RAID_1 2 /* also used for RAID 10 */ | |
211 | #define SA_RAID_5 3 /* also used for RAID 50 */ | |
212 | #define SA_RAID_51 4 | |
213 | #define SA_RAID_6 5 /* also used for RAID 60 */ | |
7a012c23 DB |
214 | #define SA_RAID_TRIPLE 6 /* also used for RAID 1+0 Triple */ |
215 | #define SA_RAID_MAX SA_RAID_TRIPLE | |
6c223761 KB |
216 | #define SA_RAID_UNKNOWN 0xff |
217 | ||
218 | static inline void pqi_scsi_done(struct scsi_cmnd *scmd) | |
219 | { | |
7561a7e4 | 220 | pqi_prep_for_scsi_done(scmd); |
0ca19080 | 221 | scsi_done(scmd); |
6c223761 KB |
222 | } |
223 | ||
b6e2ef67 | 224 | static inline void pqi_disable_write_same(struct scsi_device *sdev) |
6c223761 | 225 | { |
b6e2ef67 | 226 | sdev->no_write_same = 1; |
6c223761 KB |
227 | } |
228 | ||
6c223761 | 229 | static inline bool pqi_scsi3addr_equal(u8 *scsi3addr1, u8 *scsi3addr2) |
6c223761 | 230 | { |
6c223761 | 231 | return memcmp(scsi3addr1, scsi3addr2, 8) == 0; |
6c223761 KB |
232 | } |
233 | ||
234 | static inline bool pqi_is_logical_device(struct pqi_scsi_dev *device) | |
235 | { | |
236 | return !device->is_physical_device; | |
237 | } | |
238 | ||
bd10cf0b KB |
239 | static inline bool pqi_is_external_raid_addr(u8 *scsi3addr) |
240 | { | |
241 | return scsi3addr[2] != 0; | |
242 | } | |
243 | ||
694c5d5b KB |
244 | static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info) |
245 | { | |
246 | return !ctrl_info->controller_online; | |
247 | } | |
248 | ||
6c223761 KB |
249 | static inline void pqi_check_ctrl_health(struct pqi_ctrl_info *ctrl_info) |
250 | { | |
251 | if (ctrl_info->controller_online) | |
252 | if (!sis_is_firmware_running(ctrl_info)) | |
5d1f03e6 | 253 | pqi_take_ctrl_offline(ctrl_info, PQI_FIRMWARE_KERNEL_NOT_UP); |
6c223761 KB |
254 | } |
255 | ||
256 | static inline bool pqi_is_hba_lunid(u8 *scsi3addr) | |
257 | { | |
258 | return pqi_scsi3addr_equal(scsi3addr, RAID_CTLR_LUNID); | |
259 | } | |
260 | ||
9ee5d6e9 MR |
261 | #define PQI_DRIVER_SCRATCH_PQI_MODE 0x1 |
262 | #define PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED 0x2 | |
263 | ||
583891c9 | 264 | static inline enum pqi_ctrl_mode pqi_get_ctrl_mode(struct pqi_ctrl_info *ctrl_info) |
ff6abb73 | 265 | { |
9ee5d6e9 | 266 | return sis_read_driver_scratch(ctrl_info) & PQI_DRIVER_SCRATCH_PQI_MODE ? PQI_MODE : SIS_MODE; |
ff6abb73 KB |
267 | } |
268 | ||
269 | static inline void pqi_save_ctrl_mode(struct pqi_ctrl_info *ctrl_info, | |
270 | enum pqi_ctrl_mode mode) | |
271 | { | |
9ee5d6e9 MR |
272 | u32 driver_scratch; |
273 | ||
274 | driver_scratch = sis_read_driver_scratch(ctrl_info); | |
275 | ||
276 | if (mode == PQI_MODE) | |
277 | driver_scratch |= PQI_DRIVER_SCRATCH_PQI_MODE; | |
278 | else | |
279 | driver_scratch &= ~PQI_DRIVER_SCRATCH_PQI_MODE; | |
280 | ||
281 | sis_write_driver_scratch(ctrl_info, driver_scratch); | |
282 | } | |
283 | ||
284 | static inline bool pqi_is_fw_triage_supported(struct pqi_ctrl_info *ctrl_info) | |
285 | { | |
286 | return (sis_read_driver_scratch(ctrl_info) & PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED) != 0; | |
287 | } | |
288 | ||
289 | static inline void pqi_save_fw_triage_setting(struct pqi_ctrl_info *ctrl_info, bool is_supported) | |
290 | { | |
291 | u32 driver_scratch; | |
292 | ||
293 | driver_scratch = sis_read_driver_scratch(ctrl_info); | |
294 | ||
295 | if (is_supported) | |
296 | driver_scratch |= PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED; | |
297 | else | |
298 | driver_scratch &= ~PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED; | |
299 | ||
300 | sis_write_driver_scratch(ctrl_info, driver_scratch); | |
ff6abb73 KB |
301 | } |
302 | ||
9fa82023 KB |
303 | static inline void pqi_ctrl_block_scan(struct pqi_ctrl_info *ctrl_info) |
304 | { | |
305 | ctrl_info->scan_blocked = true; | |
306 | mutex_lock(&ctrl_info->scan_mutex); | |
307 | } | |
308 | ||
309 | static inline void pqi_ctrl_unblock_scan(struct pqi_ctrl_info *ctrl_info) | |
310 | { | |
311 | ctrl_info->scan_blocked = false; | |
312 | mutex_unlock(&ctrl_info->scan_mutex); | |
313 | } | |
314 | ||
315 | static inline bool pqi_ctrl_scan_blocked(struct pqi_ctrl_info *ctrl_info) | |
316 | { | |
317 | return ctrl_info->scan_blocked; | |
318 | } | |
319 | ||
694c5d5b KB |
320 | static inline void pqi_ctrl_block_device_reset(struct pqi_ctrl_info *ctrl_info) |
321 | { | |
37f33181 | 322 | mutex_lock(&ctrl_info->lun_reset_mutex); |
694c5d5b KB |
323 | } |
324 | ||
37f33181 | 325 | static inline void pqi_ctrl_unblock_device_reset(struct pqi_ctrl_info *ctrl_info) |
694c5d5b | 326 | { |
37f33181 | 327 | mutex_unlock(&ctrl_info->lun_reset_mutex); |
694c5d5b KB |
328 | } |
329 | ||
9fa82023 KB |
330 | static inline void pqi_scsi_block_requests(struct pqi_ctrl_info *ctrl_info) |
331 | { | |
332 | struct Scsi_Host *shost; | |
333 | unsigned int num_loops; | |
334 | int msecs_sleep; | |
335 | ||
336 | shost = ctrl_info->scsi_host; | |
337 | ||
338 | scsi_block_requests(shost); | |
339 | ||
340 | num_loops = 0; | |
341 | msecs_sleep = 20; | |
342 | while (scsi_host_busy(shost)) { | |
343 | num_loops++; | |
344 | if (num_loops == 10) | |
345 | msecs_sleep = 500; | |
346 | msleep(msecs_sleep); | |
347 | } | |
348 | } | |
349 | ||
350 | static inline void pqi_scsi_unblock_requests(struct pqi_ctrl_info *ctrl_info) | |
351 | { | |
352 | scsi_unblock_requests(ctrl_info->scsi_host); | |
353 | } | |
354 | ||
355 | static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info) | |
356 | { | |
357 | atomic_inc(&ctrl_info->num_busy_threads); | |
694c5d5b KB |
358 | } |
359 | ||
9fa82023 | 360 | static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info) |
694c5d5b | 361 | { |
9fa82023 | 362 | atomic_dec(&ctrl_info->num_busy_threads); |
694c5d5b KB |
363 | } |
364 | ||
365 | static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) | |
366 | { | |
367 | return ctrl_info->block_requests; | |
368 | } | |
369 | ||
7561a7e4 KB |
370 | static inline void pqi_ctrl_block_requests(struct pqi_ctrl_info *ctrl_info) |
371 | { | |
372 | ctrl_info->block_requests = true; | |
7561a7e4 KB |
373 | } |
374 | ||
375 | static inline void pqi_ctrl_unblock_requests(struct pqi_ctrl_info *ctrl_info) | |
376 | { | |
377 | ctrl_info->block_requests = false; | |
378 | wake_up_all(&ctrl_info->block_requests_wait); | |
7561a7e4 KB |
379 | } |
380 | ||
ae0c189d | 381 | static void pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 382 | { |
7561a7e4 | 383 | if (!pqi_ctrl_blocked(ctrl_info)) |
ae0c189d | 384 | return; |
7561a7e4 KB |
385 | |
386 | atomic_inc(&ctrl_info->num_blocked_threads); | |
ae0c189d KB |
387 | wait_event(ctrl_info->block_requests_wait, |
388 | !pqi_ctrl_blocked(ctrl_info)); | |
7561a7e4 | 389 | atomic_dec(&ctrl_info->num_blocked_threads); |
7561a7e4 KB |
390 | } |
391 | ||
18ff5f08 KB |
392 | #define PQI_QUIESCE_WARNING_TIMEOUT_SECS 10 |
393 | ||
7561a7e4 KB |
394 | static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info) |
395 | { | |
18ff5f08 KB |
396 | unsigned long start_jiffies; |
397 | unsigned long warning_timeout; | |
398 | bool displayed_warning; | |
399 | ||
400 | displayed_warning = false; | |
401 | start_jiffies = jiffies; | |
42dc0426 | 402 | warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
18ff5f08 | 403 | |
7561a7e4 | 404 | while (atomic_read(&ctrl_info->num_busy_threads) > |
18ff5f08 KB |
405 | atomic_read(&ctrl_info->num_blocked_threads)) { |
406 | if (time_after(jiffies, warning_timeout)) { | |
407 | dev_warn(&ctrl_info->pci_dev->dev, | |
408 | "waiting %u seconds for driver activity to quiesce\n", | |
409 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
410 | displayed_warning = true; | |
42dc0426 | 411 | warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
18ff5f08 | 412 | } |
7561a7e4 | 413 | usleep_range(1000, 2000); |
18ff5f08 KB |
414 | } |
415 | ||
416 | if (displayed_warning) | |
417 | dev_warn(&ctrl_info->pci_dev->dev, | |
418 | "driver activity quiesced after waiting for %u seconds\n", | |
419 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
7561a7e4 KB |
420 | } |
421 | ||
03b288cf KB |
422 | static inline bool pqi_device_offline(struct pqi_scsi_dev *device) |
423 | { | |
424 | return device->device_offline; | |
425 | } | |
426 | ||
2790cd4d | 427 | static inline void pqi_ctrl_ofa_start(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 428 | { |
2790cd4d | 429 | mutex_lock(&ctrl_info->ofa_mutex); |
7561a7e4 | 430 | } |
6c223761 | 431 | |
2790cd4d | 432 | static inline void pqi_ctrl_ofa_done(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 433 | { |
2790cd4d | 434 | mutex_unlock(&ctrl_info->ofa_mutex); |
4fd22c13 MR |
435 | } |
436 | ||
2790cd4d | 437 | static inline void pqi_wait_until_ofa_finished(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 438 | { |
2790cd4d KB |
439 | mutex_lock(&ctrl_info->ofa_mutex); |
440 | mutex_unlock(&ctrl_info->ofa_mutex); | |
4fd22c13 MR |
441 | } |
442 | ||
2790cd4d | 443 | static inline bool pqi_ofa_in_progress(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 444 | { |
2790cd4d | 445 | return mutex_is_locked(&ctrl_info->ofa_mutex); |
4fd22c13 MR |
446 | } |
447 | ||
1e46731e MR |
448 | static inline void pqi_device_remove_start(struct pqi_scsi_dev *device) |
449 | { | |
450 | device->in_remove = true; | |
451 | } | |
452 | ||
1bdf6e93 | 453 | static inline bool pqi_device_in_remove(struct pqi_scsi_dev *device) |
1e46731e | 454 | { |
1bdf6e93 | 455 | return device->in_remove; |
1e46731e MR |
456 | } |
457 | ||
2790cd4d | 458 | static inline int pqi_event_type_to_event_index(unsigned int event_type) |
0530736e | 459 | { |
2790cd4d KB |
460 | int index; |
461 | ||
462 | for (index = 0; index < ARRAY_SIZE(pqi_supported_event_types); index++) | |
463 | if (event_type == pqi_supported_event_types[index]) | |
464 | return index; | |
465 | ||
466 | return -1; | |
0530736e KB |
467 | } |
468 | ||
2790cd4d | 469 | static inline bool pqi_is_supported_event(unsigned int event_type) |
0530736e | 470 | { |
2790cd4d | 471 | return pqi_event_type_to_event_index(event_type) != -1; |
0530736e KB |
472 | } |
473 | ||
583891c9 KB |
474 | static inline void pqi_schedule_rescan_worker_with_delay(struct pqi_ctrl_info *ctrl_info, |
475 | unsigned long delay) | |
5f310425 KB |
476 | { |
477 | if (pqi_ctrl_offline(ctrl_info)) | |
478 | return; | |
479 | ||
480 | schedule_delayed_work(&ctrl_info->rescan_work, delay); | |
481 | } | |
482 | ||
6c223761 KB |
483 | static inline void pqi_schedule_rescan_worker(struct pqi_ctrl_info *ctrl_info) |
484 | { | |
5f310425 KB |
485 | pqi_schedule_rescan_worker_with_delay(ctrl_info, 0); |
486 | } | |
487 | ||
42dc0426 | 488 | #define PQI_RESCAN_WORK_DELAY (10 * HZ) |
5f310425 | 489 | |
583891c9 | 490 | static inline void pqi_schedule_rescan_worker_delayed(struct pqi_ctrl_info *ctrl_info) |
5f310425 KB |
491 | { |
492 | pqi_schedule_rescan_worker_with_delay(ctrl_info, PQI_RESCAN_WORK_DELAY); | |
6c223761 KB |
493 | } |
494 | ||
061ef06a KB |
495 | static inline void pqi_cancel_rescan_worker(struct pqi_ctrl_info *ctrl_info) |
496 | { | |
497 | cancel_delayed_work_sync(&ctrl_info->rescan_work); | |
498 | } | |
499 | ||
98f87667 KB |
500 | static inline u32 pqi_read_heartbeat_counter(struct pqi_ctrl_info *ctrl_info) |
501 | { | |
502 | if (!ctrl_info->heartbeat_counter) | |
503 | return 0; | |
504 | ||
505 | return readl(ctrl_info->heartbeat_counter); | |
506 | } | |
507 | ||
4fd22c13 MR |
508 | static inline u8 pqi_read_soft_reset_status(struct pqi_ctrl_info *ctrl_info) |
509 | { | |
4fd22c13 MR |
510 | return readb(ctrl_info->soft_reset_status); |
511 | } | |
512 | ||
4ccc354b | 513 | static inline void pqi_clear_soft_reset_status(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 MR |
514 | { |
515 | u8 status; | |
516 | ||
4fd22c13 | 517 | status = pqi_read_soft_reset_status(ctrl_info); |
4ccc354b | 518 | status &= ~PQI_SOFT_RESET_ABORT; |
4fd22c13 MR |
519 | writeb(status, ctrl_info->soft_reset_status); |
520 | } | |
521 | ||
6c223761 KB |
522 | static int pqi_map_single(struct pci_dev *pci_dev, |
523 | struct pqi_sg_descriptor *sg_descriptor, void *buffer, | |
6917a9cc | 524 | size_t buffer_length, enum dma_data_direction data_direction) |
6c223761 KB |
525 | { |
526 | dma_addr_t bus_address; | |
527 | ||
6917a9cc | 528 | if (!buffer || buffer_length == 0 || data_direction == DMA_NONE) |
6c223761 KB |
529 | return 0; |
530 | ||
6917a9cc | 531 | bus_address = dma_map_single(&pci_dev->dev, buffer, buffer_length, |
6c223761 | 532 | data_direction); |
6917a9cc | 533 | if (dma_mapping_error(&pci_dev->dev, bus_address)) |
6c223761 KB |
534 | return -ENOMEM; |
535 | ||
536 | put_unaligned_le64((u64)bus_address, &sg_descriptor->address); | |
537 | put_unaligned_le32(buffer_length, &sg_descriptor->length); | |
538 | put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | static void pqi_pci_unmap(struct pci_dev *pci_dev, | |
544 | struct pqi_sg_descriptor *descriptors, int num_descriptors, | |
6917a9cc | 545 | enum dma_data_direction data_direction) |
6c223761 KB |
546 | { |
547 | int i; | |
548 | ||
6917a9cc | 549 | if (data_direction == DMA_NONE) |
6c223761 KB |
550 | return; |
551 | ||
552 | for (i = 0; i < num_descriptors; i++) | |
6917a9cc | 553 | dma_unmap_single(&pci_dev->dev, |
6c223761 KB |
554 | (dma_addr_t)get_unaligned_le64(&descriptors[i].address), |
555 | get_unaligned_le32(&descriptors[i].length), | |
556 | data_direction); | |
557 | } | |
558 | ||
559 | static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, | |
560 | struct pqi_raid_path_request *request, u8 cmd, | |
561 | u8 *scsi3addr, void *buffer, size_t buffer_length, | |
6917a9cc | 562 | u16 vpd_page, enum dma_data_direction *dir) |
6c223761 KB |
563 | { |
564 | u8 *cdb; | |
171c2865 | 565 | size_t cdb_length = buffer_length; |
6c223761 KB |
566 | |
567 | memset(request, 0, sizeof(*request)); | |
568 | ||
569 | request->header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
570 | put_unaligned_le16(offsetof(struct pqi_raid_path_request, | |
571 | sg_descriptors[1]) - PQI_REQUEST_HEADER_LENGTH, | |
572 | &request->header.iu_length); | |
573 | put_unaligned_le32(buffer_length, &request->buffer_length); | |
574 | memcpy(request->lun_number, scsi3addr, sizeof(request->lun_number)); | |
575 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
576 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; | |
577 | ||
578 | cdb = request->cdb; | |
579 | ||
580 | switch (cmd) { | |
be76f906 DB |
581 | case TEST_UNIT_READY: |
582 | request->data_direction = SOP_READ_FLAG; | |
583 | cdb[0] = TEST_UNIT_READY; | |
584 | break; | |
6c223761 KB |
585 | case INQUIRY: |
586 | request->data_direction = SOP_READ_FLAG; | |
587 | cdb[0] = INQUIRY; | |
588 | if (vpd_page & VPD_PAGE) { | |
589 | cdb[1] = 0x1; | |
590 | cdb[2] = (u8)vpd_page; | |
591 | } | |
171c2865 | 592 | cdb[4] = (u8)cdb_length; |
6c223761 KB |
593 | break; |
594 | case CISS_REPORT_LOG: | |
595 | case CISS_REPORT_PHYS: | |
596 | request->data_direction = SOP_READ_FLAG; | |
597 | cdb[0] = cmd; | |
28ca6d87 MM |
598 | if (cmd == CISS_REPORT_PHYS) { |
599 | if (ctrl_info->rpl_extended_format_4_5_supported) | |
600 | cdb[1] = CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_4; | |
601 | else | |
602 | cdb[1] = CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_2; | |
603 | } else { | |
f6cc2a77 | 604 | cdb[1] = ctrl_info->ciss_report_log_flags; |
28ca6d87 | 605 | } |
171c2865 | 606 | put_unaligned_be32(cdb_length, &cdb[6]); |
6c223761 KB |
607 | break; |
608 | case CISS_GET_RAID_MAP: | |
609 | request->data_direction = SOP_READ_FLAG; | |
610 | cdb[0] = CISS_READ; | |
611 | cdb[1] = CISS_GET_RAID_MAP; | |
171c2865 | 612 | put_unaligned_be32(cdb_length, &cdb[6]); |
6c223761 | 613 | break; |
58322fe0 | 614 | case SA_FLUSH_CACHE: |
ae0c189d | 615 | request->header.driver_flags = PQI_DRIVER_NONBLOCKABLE_REQUEST; |
6c223761 KB |
616 | request->data_direction = SOP_WRITE_FLAG; |
617 | cdb[0] = BMIC_WRITE; | |
58322fe0 | 618 | cdb[6] = BMIC_FLUSH_CACHE; |
171c2865 | 619 | put_unaligned_be16(cdb_length, &cdb[7]); |
6c223761 | 620 | break; |
171c2865 DC |
621 | case BMIC_SENSE_DIAG_OPTIONS: |
622 | cdb_length = 0; | |
df561f66 | 623 | fallthrough; |
6c223761 KB |
624 | case BMIC_IDENTIFY_CONTROLLER: |
625 | case BMIC_IDENTIFY_PHYSICAL_DEVICE: | |
6d90615f | 626 | case BMIC_SENSE_SUBSYSTEM_INFORMATION: |
f6cc2a77 | 627 | case BMIC_SENSE_FEATURE: |
6c223761 KB |
628 | request->data_direction = SOP_READ_FLAG; |
629 | cdb[0] = BMIC_READ; | |
630 | cdb[6] = cmd; | |
171c2865 | 631 | put_unaligned_be16(cdb_length, &cdb[7]); |
6c223761 | 632 | break; |
171c2865 DC |
633 | case BMIC_SET_DIAG_OPTIONS: |
634 | cdb_length = 0; | |
df561f66 | 635 | fallthrough; |
6c223761 KB |
636 | case BMIC_WRITE_HOST_WELLNESS: |
637 | request->data_direction = SOP_WRITE_FLAG; | |
638 | cdb[0] = BMIC_WRITE; | |
639 | cdb[6] = cmd; | |
171c2865 | 640 | put_unaligned_be16(cdb_length, &cdb[7]); |
6c223761 | 641 | break; |
3d46a59a DB |
642 | case BMIC_CSMI_PASSTHRU: |
643 | request->data_direction = SOP_BIDIRECTIONAL; | |
644 | cdb[0] = BMIC_WRITE; | |
645 | cdb[5] = CSMI_CC_SAS_SMP_PASSTHRU; | |
646 | cdb[6] = cmd; | |
647 | put_unaligned_be16(cdb_length, &cdb[7]); | |
6c223761 KB |
648 | break; |
649 | default: | |
9e68cccc | 650 | dev_err(&ctrl_info->pci_dev->dev, "unknown command 0x%c\n", cmd); |
6c223761 KB |
651 | break; |
652 | } | |
653 | ||
654 | switch (request->data_direction) { | |
655 | case SOP_READ_FLAG: | |
6917a9cc | 656 | *dir = DMA_FROM_DEVICE; |
6c223761 KB |
657 | break; |
658 | case SOP_WRITE_FLAG: | |
6917a9cc | 659 | *dir = DMA_TO_DEVICE; |
6c223761 KB |
660 | break; |
661 | case SOP_NO_DIRECTION_FLAG: | |
6917a9cc | 662 | *dir = DMA_NONE; |
6c223761 KB |
663 | break; |
664 | default: | |
6917a9cc | 665 | *dir = DMA_BIDIRECTIONAL; |
6c223761 KB |
666 | break; |
667 | } | |
668 | ||
6c223761 | 669 | return pqi_map_single(ctrl_info->pci_dev, &request->sg_descriptors[0], |
6917a9cc | 670 | buffer, buffer_length, *dir); |
6c223761 KB |
671 | } |
672 | ||
376fb880 KB |
673 | static inline void pqi_reinit_io_request(struct pqi_io_request *io_request) |
674 | { | |
675 | io_request->scmd = NULL; | |
676 | io_request->status = 0; | |
677 | io_request->error_info = NULL; | |
678 | io_request->raid_bypass = false; | |
679 | } | |
680 | ||
6c223761 KB |
681 | static struct pqi_io_request *pqi_alloc_io_request( |
682 | struct pqi_ctrl_info *ctrl_info) | |
683 | { | |
684 | struct pqi_io_request *io_request; | |
685 | u16 i = ctrl_info->next_io_request_slot; /* benignly racy */ | |
686 | ||
687 | while (1) { | |
688 | io_request = &ctrl_info->io_request_pool[i]; | |
689 | if (atomic_inc_return(&io_request->refcount) == 1) | |
690 | break; | |
691 | atomic_dec(&io_request->refcount); | |
692 | i = (i + 1) % ctrl_info->max_io_slots; | |
693 | } | |
694 | ||
695 | /* benignly racy */ | |
696 | ctrl_info->next_io_request_slot = (i + 1) % ctrl_info->max_io_slots; | |
697 | ||
376fb880 | 698 | pqi_reinit_io_request(io_request); |
6c223761 KB |
699 | |
700 | return io_request; | |
701 | } | |
702 | ||
703 | static void pqi_free_io_request(struct pqi_io_request *io_request) | |
704 | { | |
705 | atomic_dec(&io_request->refcount); | |
706 | } | |
707 | ||
02133b68 | 708 | static int pqi_send_scsi_raid_request(struct pqi_ctrl_info *ctrl_info, u8 cmd, |
694c5d5b | 709 | u8 *scsi3addr, void *buffer, size_t buffer_length, u16 vpd_page, |
ae0c189d | 710 | struct pqi_raid_error_info *error_info) |
6c223761 KB |
711 | { |
712 | int rc; | |
6c223761 | 713 | struct pqi_raid_path_request request; |
694c5d5b | 714 | enum dma_data_direction dir; |
6c223761 | 715 | |
583891c9 KB |
716 | rc = pqi_build_raid_path_request(ctrl_info, &request, cmd, scsi3addr, |
717 | buffer, buffer_length, vpd_page, &dir); | |
6c223761 KB |
718 | if (rc) |
719 | return rc; | |
720 | ||
ae0c189d | 721 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, error_info); |
6c223761 | 722 | |
6917a9cc | 723 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); |
694c5d5b | 724 | |
6c223761 KB |
725 | return rc; |
726 | } | |
727 | ||
694c5d5b | 728 | /* helper functions for pqi_send_scsi_raid_request */ |
02133b68 DC |
729 | |
730 | static inline int pqi_send_ctrl_raid_request(struct pqi_ctrl_info *ctrl_info, | |
694c5d5b | 731 | u8 cmd, void *buffer, size_t buffer_length) |
6c223761 | 732 | { |
02133b68 | 733 | return pqi_send_scsi_raid_request(ctrl_info, cmd, RAID_CTLR_LUNID, |
ae0c189d | 734 | buffer, buffer_length, 0, NULL); |
02133b68 | 735 | } |
6c223761 | 736 | |
02133b68 | 737 | static inline int pqi_send_ctrl_raid_with_error(struct pqi_ctrl_info *ctrl_info, |
694c5d5b KB |
738 | u8 cmd, void *buffer, size_t buffer_length, |
739 | struct pqi_raid_error_info *error_info) | |
02133b68 DC |
740 | { |
741 | return pqi_send_scsi_raid_request(ctrl_info, cmd, RAID_CTLR_LUNID, | |
ae0c189d | 742 | buffer, buffer_length, 0, error_info); |
02133b68 | 743 | } |
6c223761 | 744 | |
02133b68 | 745 | static inline int pqi_identify_controller(struct pqi_ctrl_info *ctrl_info, |
694c5d5b | 746 | struct bmic_identify_controller *buffer) |
02133b68 DC |
747 | { |
748 | return pqi_send_ctrl_raid_request(ctrl_info, BMIC_IDENTIFY_CONTROLLER, | |
694c5d5b | 749 | buffer, sizeof(*buffer)); |
02133b68 DC |
750 | } |
751 | ||
6d90615f | 752 | static inline int pqi_sense_subsystem_info(struct pqi_ctrl_info *ctrl_info, |
694c5d5b | 753 | struct bmic_sense_subsystem_info *sense_info) |
6d90615f MB |
754 | { |
755 | return pqi_send_ctrl_raid_request(ctrl_info, | |
694c5d5b KB |
756 | BMIC_SENSE_SUBSYSTEM_INFORMATION, sense_info, |
757 | sizeof(*sense_info)); | |
6d90615f MB |
758 | } |
759 | ||
02133b68 | 760 | static inline int pqi_scsi_inquiry(struct pqi_ctrl_info *ctrl_info, |
6c223761 | 761 | u8 *scsi3addr, u16 vpd_page, void *buffer, size_t buffer_length) |
02133b68 DC |
762 | { |
763 | return pqi_send_scsi_raid_request(ctrl_info, INQUIRY, scsi3addr, | |
ae0c189d | 764 | buffer, buffer_length, vpd_page, NULL); |
6c223761 KB |
765 | } |
766 | ||
767 | static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info, | |
768 | struct pqi_scsi_dev *device, | |
694c5d5b | 769 | struct bmic_identify_physical_device *buffer, size_t buffer_length) |
6c223761 KB |
770 | { |
771 | int rc; | |
6917a9cc | 772 | enum dma_data_direction dir; |
6c223761 KB |
773 | u16 bmic_device_index; |
774 | struct pqi_raid_path_request request; | |
775 | ||
776 | rc = pqi_build_raid_path_request(ctrl_info, &request, | |
777 | BMIC_IDENTIFY_PHYSICAL_DEVICE, RAID_CTLR_LUNID, buffer, | |
6917a9cc | 778 | buffer_length, 0, &dir); |
6c223761 KB |
779 | if (rc) |
780 | return rc; | |
781 | ||
782 | bmic_device_index = CISS_GET_DRIVE_NUMBER(device->scsi3addr); | |
783 | request.cdb[2] = (u8)bmic_device_index; | |
784 | request.cdb[9] = (u8)(bmic_device_index >> 8); | |
785 | ||
ae0c189d | 786 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 | 787 | |
6917a9cc | 788 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); |
694c5d5b | 789 | |
6c223761 KB |
790 | return rc; |
791 | } | |
792 | ||
f6cc2a77 KB |
793 | static inline u32 pqi_aio_limit_to_bytes(__le16 *limit) |
794 | { | |
795 | u32 bytes; | |
796 | ||
797 | bytes = get_unaligned_le16(limit); | |
798 | if (bytes == 0) | |
799 | bytes = ~0; | |
800 | else | |
801 | bytes *= 1024; | |
802 | ||
803 | return bytes; | |
804 | } | |
805 | ||
806 | #pragma pack(1) | |
807 | ||
808 | struct bmic_sense_feature_buffer { | |
809 | struct bmic_sense_feature_buffer_header header; | |
810 | struct bmic_sense_feature_io_page_aio_subpage aio_subpage; | |
811 | }; | |
812 | ||
813 | #pragma pack() | |
814 | ||
815 | #define MINIMUM_AIO_SUBPAGE_BUFFER_LENGTH \ | |
816 | offsetofend(struct bmic_sense_feature_buffer, \ | |
817 | aio_subpage.max_write_raid_1_10_3drive) | |
818 | ||
819 | #define MINIMUM_AIO_SUBPAGE_LENGTH \ | |
820 | (offsetofend(struct bmic_sense_feature_io_page_aio_subpage, \ | |
821 | max_write_raid_1_10_3drive) - \ | |
822 | sizeof_field(struct bmic_sense_feature_io_page_aio_subpage, header)) | |
823 | ||
824 | static int pqi_get_advanced_raid_bypass_config(struct pqi_ctrl_info *ctrl_info) | |
825 | { | |
826 | int rc; | |
827 | enum dma_data_direction dir; | |
828 | struct pqi_raid_path_request request; | |
829 | struct bmic_sense_feature_buffer *buffer; | |
830 | ||
831 | buffer = kmalloc(sizeof(*buffer), GFP_KERNEL); | |
832 | if (!buffer) | |
833 | return -ENOMEM; | |
834 | ||
583891c9 KB |
835 | rc = pqi_build_raid_path_request(ctrl_info, &request, BMIC_SENSE_FEATURE, RAID_CTLR_LUNID, |
836 | buffer, sizeof(*buffer), 0, &dir); | |
f6cc2a77 KB |
837 | if (rc) |
838 | goto error; | |
839 | ||
840 | request.cdb[2] = BMIC_SENSE_FEATURE_IO_PAGE; | |
841 | request.cdb[3] = BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE; | |
842 | ||
ae0c189d | 843 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 | 844 | |
6917a9cc | 845 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); |
694c5d5b | 846 | |
f6cc2a77 KB |
847 | if (rc) |
848 | goto error; | |
849 | ||
850 | if (buffer->header.page_code != BMIC_SENSE_FEATURE_IO_PAGE || | |
851 | buffer->header.subpage_code != | |
852 | BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE || | |
853 | get_unaligned_le16(&buffer->header.buffer_length) < | |
854 | MINIMUM_AIO_SUBPAGE_BUFFER_LENGTH || | |
855 | buffer->aio_subpage.header.page_code != | |
856 | BMIC_SENSE_FEATURE_IO_PAGE || | |
857 | buffer->aio_subpage.header.subpage_code != | |
858 | BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE || | |
859 | get_unaligned_le16(&buffer->aio_subpage.header.page_length) < | |
860 | MINIMUM_AIO_SUBPAGE_LENGTH) { | |
861 | goto error; | |
862 | } | |
863 | ||
864 | ctrl_info->max_transfer_encrypted_sas_sata = | |
865 | pqi_aio_limit_to_bytes( | |
866 | &buffer->aio_subpage.max_transfer_encrypted_sas_sata); | |
867 | ||
868 | ctrl_info->max_transfer_encrypted_nvme = | |
869 | pqi_aio_limit_to_bytes( | |
870 | &buffer->aio_subpage.max_transfer_encrypted_nvme); | |
871 | ||
872 | ctrl_info->max_write_raid_5_6 = | |
873 | pqi_aio_limit_to_bytes( | |
874 | &buffer->aio_subpage.max_write_raid_5_6); | |
875 | ||
876 | ctrl_info->max_write_raid_1_10_2drive = | |
877 | pqi_aio_limit_to_bytes( | |
878 | &buffer->aio_subpage.max_write_raid_1_10_2drive); | |
879 | ||
880 | ctrl_info->max_write_raid_1_10_3drive = | |
881 | pqi_aio_limit_to_bytes( | |
882 | &buffer->aio_subpage.max_write_raid_1_10_3drive); | |
883 | ||
884 | error: | |
885 | kfree(buffer); | |
886 | ||
6c223761 KB |
887 | return rc; |
888 | } | |
889 | ||
58322fe0 KB |
890 | static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info, |
891 | enum bmic_flush_cache_shutdown_event shutdown_event) | |
6c223761 KB |
892 | { |
893 | int rc; | |
58322fe0 | 894 | struct bmic_flush_cache *flush_cache; |
6c223761 | 895 | |
58322fe0 KB |
896 | flush_cache = kzalloc(sizeof(*flush_cache), GFP_KERNEL); |
897 | if (!flush_cache) | |
6c223761 KB |
898 | return -ENOMEM; |
899 | ||
58322fe0 KB |
900 | flush_cache->shutdown_event = shutdown_event; |
901 | ||
02133b68 DC |
902 | rc = pqi_send_ctrl_raid_request(ctrl_info, SA_FLUSH_CACHE, flush_cache, |
903 | sizeof(*flush_cache)); | |
6c223761 | 904 | |
58322fe0 | 905 | kfree(flush_cache); |
6c223761 KB |
906 | |
907 | return rc; | |
908 | } | |
909 | ||
3d46a59a DB |
910 | int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info, |
911 | struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length, | |
912 | struct pqi_raid_error_info *error_info) | |
913 | { | |
914 | return pqi_send_ctrl_raid_with_error(ctrl_info, BMIC_CSMI_PASSTHRU, | |
915 | buffer, buffer_length, error_info); | |
916 | } | |
171c2865 | 917 | |
694c5d5b | 918 | #define PQI_FETCH_PTRAID_DATA (1 << 31) |
171c2865 DC |
919 | |
920 | static int pqi_set_diag_rescan(struct pqi_ctrl_info *ctrl_info) | |
6c223761 KB |
921 | { |
922 | int rc; | |
171c2865 | 923 | struct bmic_diag_options *diag; |
6c223761 | 924 | |
171c2865 DC |
925 | diag = kzalloc(sizeof(*diag), GFP_KERNEL); |
926 | if (!diag) | |
927 | return -ENOMEM; | |
928 | ||
02133b68 | 929 | rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SENSE_DIAG_OPTIONS, |
694c5d5b | 930 | diag, sizeof(*diag)); |
6c223761 | 931 | if (rc) |
171c2865 | 932 | goto out; |
6c223761 | 933 | |
171c2865 DC |
934 | diag->options |= cpu_to_le32(PQI_FETCH_PTRAID_DATA); |
935 | ||
694c5d5b KB |
936 | rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SET_DIAG_OPTIONS, diag, |
937 | sizeof(*diag)); | |
938 | ||
171c2865 DC |
939 | out: |
940 | kfree(diag); | |
6c223761 | 941 | |
6c223761 KB |
942 | return rc; |
943 | } | |
944 | ||
02133b68 | 945 | static inline int pqi_write_host_wellness(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
946 | void *buffer, size_t buffer_length) |
947 | { | |
02133b68 | 948 | return pqi_send_ctrl_raid_request(ctrl_info, BMIC_WRITE_HOST_WELLNESS, |
694c5d5b | 949 | buffer, buffer_length); |
6c223761 KB |
950 | } |
951 | ||
952 | #pragma pack(1) | |
953 | ||
954 | struct bmic_host_wellness_driver_version { | |
955 | u8 start_tag[4]; | |
956 | u8 driver_version_tag[2]; | |
957 | __le16 driver_version_length; | |
958 | char driver_version[32]; | |
b2346b50 | 959 | u8 dont_write_tag[2]; |
6c223761 KB |
960 | u8 end_tag[2]; |
961 | }; | |
962 | ||
963 | #pragma pack() | |
964 | ||
965 | static int pqi_write_driver_version_to_host_wellness( | |
966 | struct pqi_ctrl_info *ctrl_info) | |
967 | { | |
968 | int rc; | |
969 | struct bmic_host_wellness_driver_version *buffer; | |
970 | size_t buffer_length; | |
971 | ||
972 | buffer_length = sizeof(*buffer); | |
973 | ||
974 | buffer = kmalloc(buffer_length, GFP_KERNEL); | |
975 | if (!buffer) | |
976 | return -ENOMEM; | |
977 | ||
978 | buffer->start_tag[0] = '<'; | |
979 | buffer->start_tag[1] = 'H'; | |
980 | buffer->start_tag[2] = 'W'; | |
981 | buffer->start_tag[3] = '>'; | |
982 | buffer->driver_version_tag[0] = 'D'; | |
983 | buffer->driver_version_tag[1] = 'V'; | |
984 | put_unaligned_le16(sizeof(buffer->driver_version), | |
985 | &buffer->driver_version_length); | |
061ef06a | 986 | strncpy(buffer->driver_version, "Linux " DRIVER_VERSION, |
6c223761 KB |
987 | sizeof(buffer->driver_version) - 1); |
988 | buffer->driver_version[sizeof(buffer->driver_version) - 1] = '\0'; | |
b2346b50 MR |
989 | buffer->dont_write_tag[0] = 'D'; |
990 | buffer->dont_write_tag[1] = 'W'; | |
6c223761 KB |
991 | buffer->end_tag[0] = 'Z'; |
992 | buffer->end_tag[1] = 'Z'; | |
993 | ||
994 | rc = pqi_write_host_wellness(ctrl_info, buffer, buffer_length); | |
995 | ||
996 | kfree(buffer); | |
997 | ||
998 | return rc; | |
999 | } | |
1000 | ||
1001 | #pragma pack(1) | |
1002 | ||
1003 | struct bmic_host_wellness_time { | |
1004 | u8 start_tag[4]; | |
1005 | u8 time_tag[2]; | |
1006 | __le16 time_length; | |
1007 | u8 time[8]; | |
1008 | u8 dont_write_tag[2]; | |
1009 | u8 end_tag[2]; | |
1010 | }; | |
1011 | ||
1012 | #pragma pack() | |
1013 | ||
1014 | static int pqi_write_current_time_to_host_wellness( | |
1015 | struct pqi_ctrl_info *ctrl_info) | |
1016 | { | |
1017 | int rc; | |
1018 | struct bmic_host_wellness_time *buffer; | |
1019 | size_t buffer_length; | |
1020 | time64_t local_time; | |
1021 | unsigned int year; | |
ed10858e | 1022 | struct tm tm; |
6c223761 KB |
1023 | |
1024 | buffer_length = sizeof(*buffer); | |
1025 | ||
1026 | buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1027 | if (!buffer) | |
1028 | return -ENOMEM; | |
1029 | ||
1030 | buffer->start_tag[0] = '<'; | |
1031 | buffer->start_tag[1] = 'H'; | |
1032 | buffer->start_tag[2] = 'W'; | |
1033 | buffer->start_tag[3] = '>'; | |
1034 | buffer->time_tag[0] = 'T'; | |
1035 | buffer->time_tag[1] = 'D'; | |
1036 | put_unaligned_le16(sizeof(buffer->time), | |
1037 | &buffer->time_length); | |
1038 | ||
ed10858e AB |
1039 | local_time = ktime_get_real_seconds(); |
1040 | time64_to_tm(local_time, -sys_tz.tz_minuteswest * 60, &tm); | |
6c223761 KB |
1041 | year = tm.tm_year + 1900; |
1042 | ||
1043 | buffer->time[0] = bin2bcd(tm.tm_hour); | |
1044 | buffer->time[1] = bin2bcd(tm.tm_min); | |
1045 | buffer->time[2] = bin2bcd(tm.tm_sec); | |
1046 | buffer->time[3] = 0; | |
1047 | buffer->time[4] = bin2bcd(tm.tm_mon + 1); | |
1048 | buffer->time[5] = bin2bcd(tm.tm_mday); | |
1049 | buffer->time[6] = bin2bcd(year / 100); | |
1050 | buffer->time[7] = bin2bcd(year % 100); | |
1051 | ||
1052 | buffer->dont_write_tag[0] = 'D'; | |
1053 | buffer->dont_write_tag[1] = 'W'; | |
1054 | buffer->end_tag[0] = 'Z'; | |
1055 | buffer->end_tag[1] = 'Z'; | |
1056 | ||
1057 | rc = pqi_write_host_wellness(ctrl_info, buffer, buffer_length); | |
1058 | ||
1059 | kfree(buffer); | |
1060 | ||
1061 | return rc; | |
1062 | } | |
1063 | ||
42dc0426 | 1064 | #define PQI_UPDATE_TIME_WORK_INTERVAL (24UL * 60 * 60 * HZ) |
6c223761 KB |
1065 | |
1066 | static void pqi_update_time_worker(struct work_struct *work) | |
1067 | { | |
1068 | int rc; | |
1069 | struct pqi_ctrl_info *ctrl_info; | |
1070 | ||
1071 | ctrl_info = container_of(to_delayed_work(work), struct pqi_ctrl_info, | |
1072 | update_time_work); | |
1073 | ||
6c223761 KB |
1074 | rc = pqi_write_current_time_to_host_wellness(ctrl_info); |
1075 | if (rc) | |
1076 | dev_warn(&ctrl_info->pci_dev->dev, | |
1077 | "error updating time on controller\n"); | |
1078 | ||
1079 | schedule_delayed_work(&ctrl_info->update_time_work, | |
1080 | PQI_UPDATE_TIME_WORK_INTERVAL); | |
1081 | } | |
1082 | ||
583891c9 | 1083 | static inline void pqi_schedule_update_time_worker(struct pqi_ctrl_info *ctrl_info) |
6c223761 | 1084 | { |
4fbebf1a | 1085 | schedule_delayed_work(&ctrl_info->update_time_work, 0); |
061ef06a KB |
1086 | } |
1087 | ||
583891c9 | 1088 | static inline void pqi_cancel_update_time_worker(struct pqi_ctrl_info *ctrl_info) |
061ef06a | 1089 | { |
061ef06a | 1090 | cancel_delayed_work_sync(&ctrl_info->update_time_work); |
6c223761 KB |
1091 | } |
1092 | ||
583891c9 KB |
1093 | static inline int pqi_report_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, void *buffer, |
1094 | size_t buffer_length) | |
6c223761 | 1095 | { |
583891c9 | 1096 | return pqi_send_ctrl_raid_request(ctrl_info, cmd, buffer, buffer_length); |
6c223761 KB |
1097 | } |
1098 | ||
583891c9 | 1099 | static int pqi_report_phys_logical_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, void **buffer) |
6c223761 KB |
1100 | { |
1101 | int rc; | |
1102 | size_t lun_list_length; | |
1103 | size_t lun_data_length; | |
1104 | size_t new_lun_list_length; | |
1105 | void *lun_data = NULL; | |
1106 | struct report_lun_header *report_lun_header; | |
1107 | ||
1108 | report_lun_header = kmalloc(sizeof(*report_lun_header), GFP_KERNEL); | |
1109 | if (!report_lun_header) { | |
1110 | rc = -ENOMEM; | |
1111 | goto out; | |
1112 | } | |
1113 | ||
583891c9 | 1114 | rc = pqi_report_luns(ctrl_info, cmd, report_lun_header, sizeof(*report_lun_header)); |
6c223761 KB |
1115 | if (rc) |
1116 | goto out; | |
1117 | ||
1118 | lun_list_length = get_unaligned_be32(&report_lun_header->list_length); | |
1119 | ||
1120 | again: | |
1121 | lun_data_length = sizeof(struct report_lun_header) + lun_list_length; | |
1122 | ||
1123 | lun_data = kmalloc(lun_data_length, GFP_KERNEL); | |
1124 | if (!lun_data) { | |
1125 | rc = -ENOMEM; | |
1126 | goto out; | |
1127 | } | |
1128 | ||
1129 | if (lun_list_length == 0) { | |
1130 | memcpy(lun_data, report_lun_header, sizeof(*report_lun_header)); | |
1131 | goto out; | |
1132 | } | |
1133 | ||
1134 | rc = pqi_report_luns(ctrl_info, cmd, lun_data, lun_data_length); | |
1135 | if (rc) | |
1136 | goto out; | |
1137 | ||
583891c9 KB |
1138 | new_lun_list_length = |
1139 | get_unaligned_be32(&((struct report_lun_header *)lun_data)->list_length); | |
6c223761 KB |
1140 | |
1141 | if (new_lun_list_length > lun_list_length) { | |
1142 | lun_list_length = new_lun_list_length; | |
1143 | kfree(lun_data); | |
1144 | goto again; | |
1145 | } | |
1146 | ||
1147 | out: | |
1148 | kfree(report_lun_header); | |
1149 | ||
1150 | if (rc) { | |
1151 | kfree(lun_data); | |
1152 | lun_data = NULL; | |
1153 | } | |
1154 | ||
1155 | *buffer = lun_data; | |
1156 | ||
1157 | return rc; | |
1158 | } | |
1159 | ||
583891c9 | 1160 | static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **buffer) |
6c223761 | 1161 | { |
28ca6d87 MM |
1162 | int rc; |
1163 | unsigned int i; | |
1164 | u8 rpl_response_format; | |
1165 | u32 num_physicals; | |
1166 | size_t rpl_16byte_wwid_list_length; | |
1167 | void *rpl_list; | |
1168 | struct report_lun_header *rpl_header; | |
1169 | struct report_phys_lun_8byte_wwid_list *rpl_8byte_wwid_list; | |
1170 | struct report_phys_lun_16byte_wwid_list *rpl_16byte_wwid_list; | |
1171 | ||
1172 | rc = pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_PHYS, &rpl_list); | |
1173 | if (rc) | |
1174 | return rc; | |
1175 | ||
1176 | if (ctrl_info->rpl_extended_format_4_5_supported) { | |
1177 | rpl_header = rpl_list; | |
1178 | rpl_response_format = rpl_header->flags & CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_MASK; | |
1179 | if (rpl_response_format == CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_4) { | |
1180 | *buffer = rpl_list; | |
1181 | return 0; | |
1182 | } else if (rpl_response_format != CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_2) { | |
1183 | dev_err(&ctrl_info->pci_dev->dev, | |
1184 | "RPL returned unsupported data format %u\n", | |
1185 | rpl_response_format); | |
1186 | return -EINVAL; | |
1187 | } else { | |
1188 | dev_warn(&ctrl_info->pci_dev->dev, | |
1189 | "RPL returned extended format 2 instead of 4\n"); | |
1190 | } | |
1191 | } | |
1192 | ||
1193 | rpl_8byte_wwid_list = rpl_list; | |
1194 | num_physicals = get_unaligned_be32(&rpl_8byte_wwid_list->header.list_length) / sizeof(rpl_8byte_wwid_list->lun_entries[0]); | |
1195 | rpl_16byte_wwid_list_length = sizeof(struct report_lun_header) + (num_physicals * sizeof(struct report_phys_lun_16byte_wwid)); | |
1196 | ||
1197 | rpl_16byte_wwid_list = kmalloc(rpl_16byte_wwid_list_length, GFP_KERNEL); | |
1198 | if (!rpl_16byte_wwid_list) | |
1199 | return -ENOMEM; | |
1200 | ||
1201 | put_unaligned_be32(num_physicals * sizeof(struct report_phys_lun_16byte_wwid), | |
1202 | &rpl_16byte_wwid_list->header.list_length); | |
1203 | rpl_16byte_wwid_list->header.flags = rpl_8byte_wwid_list->header.flags; | |
1204 | ||
1205 | for (i = 0; i < num_physicals; i++) { | |
1206 | memcpy(&rpl_16byte_wwid_list->lun_entries[i].lunid, &rpl_8byte_wwid_list->lun_entries[i].lunid, sizeof(rpl_8byte_wwid_list->lun_entries[i].lunid)); | |
291c2e00 KB |
1207 | memcpy(&rpl_16byte_wwid_list->lun_entries[i].wwid[0], &rpl_8byte_wwid_list->lun_entries[i].wwid, sizeof(rpl_8byte_wwid_list->lun_entries[i].wwid)); |
1208 | memset(&rpl_16byte_wwid_list->lun_entries[i].wwid[8], 0, 8); | |
28ca6d87 MM |
1209 | rpl_16byte_wwid_list->lun_entries[i].device_type = rpl_8byte_wwid_list->lun_entries[i].device_type; |
1210 | rpl_16byte_wwid_list->lun_entries[i].device_flags = rpl_8byte_wwid_list->lun_entries[i].device_flags; | |
1211 | rpl_16byte_wwid_list->lun_entries[i].lun_count = rpl_8byte_wwid_list->lun_entries[i].lun_count; | |
1212 | rpl_16byte_wwid_list->lun_entries[i].redundant_paths = rpl_8byte_wwid_list->lun_entries[i].redundant_paths; | |
1213 | rpl_16byte_wwid_list->lun_entries[i].aio_handle = rpl_8byte_wwid_list->lun_entries[i].aio_handle; | |
1214 | } | |
1215 | ||
1216 | kfree(rpl_8byte_wwid_list); | |
1217 | *buffer = rpl_16byte_wwid_list; | |
1218 | ||
1219 | return 0; | |
6c223761 KB |
1220 | } |
1221 | ||
583891c9 | 1222 | static inline int pqi_report_logical_luns(struct pqi_ctrl_info *ctrl_info, void **buffer) |
6c223761 KB |
1223 | { |
1224 | return pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_LOG, buffer); | |
1225 | } | |
1226 | ||
1227 | static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, | |
28ca6d87 MM |
1228 | struct report_phys_lun_16byte_wwid_list **physdev_list, |
1229 | struct report_log_lun_list **logdev_list) | |
6c223761 KB |
1230 | { |
1231 | int rc; | |
1232 | size_t logdev_list_length; | |
1233 | size_t logdev_data_length; | |
28ca6d87 MM |
1234 | struct report_log_lun_list *internal_logdev_list; |
1235 | struct report_log_lun_list *logdev_data; | |
6c223761 KB |
1236 | struct report_lun_header report_lun_header; |
1237 | ||
1238 | rc = pqi_report_phys_luns(ctrl_info, (void **)physdev_list); | |
1239 | if (rc) | |
1240 | dev_err(&ctrl_info->pci_dev->dev, | |
1241 | "report physical LUNs failed\n"); | |
1242 | ||
1243 | rc = pqi_report_logical_luns(ctrl_info, (void **)logdev_list); | |
1244 | if (rc) | |
1245 | dev_err(&ctrl_info->pci_dev->dev, | |
1246 | "report logical LUNs failed\n"); | |
1247 | ||
1248 | /* | |
1249 | * Tack the controller itself onto the end of the logical device list. | |
1250 | */ | |
1251 | ||
1252 | logdev_data = *logdev_list; | |
1253 | ||
1254 | if (logdev_data) { | |
1255 | logdev_list_length = | |
1256 | get_unaligned_be32(&logdev_data->header.list_length); | |
1257 | } else { | |
1258 | memset(&report_lun_header, 0, sizeof(report_lun_header)); | |
1259 | logdev_data = | |
28ca6d87 | 1260 | (struct report_log_lun_list *)&report_lun_header; |
6c223761 KB |
1261 | logdev_list_length = 0; |
1262 | } | |
1263 | ||
1264 | logdev_data_length = sizeof(struct report_lun_header) + | |
1265 | logdev_list_length; | |
1266 | ||
1267 | internal_logdev_list = kmalloc(logdev_data_length + | |
28ca6d87 | 1268 | sizeof(struct report_log_lun), GFP_KERNEL); |
6c223761 KB |
1269 | if (!internal_logdev_list) { |
1270 | kfree(*logdev_list); | |
1271 | *logdev_list = NULL; | |
1272 | return -ENOMEM; | |
1273 | } | |
1274 | ||
1275 | memcpy(internal_logdev_list, logdev_data, logdev_data_length); | |
1276 | memset((u8 *)internal_logdev_list + logdev_data_length, 0, | |
28ca6d87 | 1277 | sizeof(struct report_log_lun)); |
6c223761 | 1278 | put_unaligned_be32(logdev_list_length + |
28ca6d87 | 1279 | sizeof(struct report_log_lun), |
6c223761 KB |
1280 | &internal_logdev_list->header.list_length); |
1281 | ||
1282 | kfree(*logdev_list); | |
1283 | *logdev_list = internal_logdev_list; | |
1284 | ||
1285 | return 0; | |
1286 | } | |
1287 | ||
1288 | static inline void pqi_set_bus_target_lun(struct pqi_scsi_dev *device, | |
1289 | int bus, int target, int lun) | |
1290 | { | |
1291 | device->bus = bus; | |
1292 | device->target = target; | |
1293 | device->lun = lun; | |
1294 | } | |
1295 | ||
1296 | static void pqi_assign_bus_target_lun(struct pqi_scsi_dev *device) | |
1297 | { | |
1298 | u8 *scsi3addr; | |
1299 | u32 lunid; | |
bd10cf0b KB |
1300 | int bus; |
1301 | int target; | |
1302 | int lun; | |
6c223761 KB |
1303 | |
1304 | scsi3addr = device->scsi3addr; | |
1305 | lunid = get_unaligned_le32(scsi3addr); | |
1306 | ||
1307 | if (pqi_is_hba_lunid(scsi3addr)) { | |
1308 | /* The specified device is the controller. */ | |
1309 | pqi_set_bus_target_lun(device, PQI_HBA_BUS, 0, lunid & 0x3fff); | |
1310 | device->target_lun_valid = true; | |
1311 | return; | |
1312 | } | |
1313 | ||
1314 | if (pqi_is_logical_device(device)) { | |
bd10cf0b KB |
1315 | if (device->is_external_raid_device) { |
1316 | bus = PQI_EXTERNAL_RAID_VOLUME_BUS; | |
1317 | target = (lunid >> 16) & 0x3fff; | |
1318 | lun = lunid & 0xff; | |
1319 | } else { | |
1320 | bus = PQI_RAID_VOLUME_BUS; | |
1321 | target = 0; | |
1322 | lun = lunid & 0x3fff; | |
1323 | } | |
1324 | pqi_set_bus_target_lun(device, bus, target, lun); | |
6c223761 KB |
1325 | device->target_lun_valid = true; |
1326 | return; | |
1327 | } | |
1328 | ||
1329 | /* | |
1330 | * Defer target and LUN assignment for non-controller physical devices | |
1331 | * because the SAS transport layer will make these assignments later. | |
1332 | */ | |
1333 | pqi_set_bus_target_lun(device, PQI_PHYSICAL_DEVICE_BUS, 0, 0); | |
1334 | } | |
1335 | ||
1336 | static void pqi_get_raid_level(struct pqi_ctrl_info *ctrl_info, | |
1337 | struct pqi_scsi_dev *device) | |
1338 | { | |
1339 | int rc; | |
1340 | u8 raid_level; | |
1341 | u8 *buffer; | |
1342 | ||
1343 | raid_level = SA_RAID_UNKNOWN; | |
1344 | ||
1345 | buffer = kmalloc(64, GFP_KERNEL); | |
1346 | if (buffer) { | |
1347 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, | |
1348 | VPD_PAGE | CISS_VPD_LV_DEVICE_GEOMETRY, buffer, 64); | |
1349 | if (rc == 0) { | |
1350 | raid_level = buffer[8]; | |
1351 | if (raid_level > SA_RAID_MAX) | |
1352 | raid_level = SA_RAID_UNKNOWN; | |
1353 | } | |
1354 | kfree(buffer); | |
1355 | } | |
1356 | ||
1357 | device->raid_level = raid_level; | |
1358 | } | |
1359 | ||
1360 | static int pqi_validate_raid_map(struct pqi_ctrl_info *ctrl_info, | |
1361 | struct pqi_scsi_dev *device, struct raid_map *raid_map) | |
1362 | { | |
1363 | char *err_msg; | |
1364 | u32 raid_map_size; | |
1365 | u32 r5or6_blocks_per_row; | |
6c223761 KB |
1366 | |
1367 | raid_map_size = get_unaligned_le32(&raid_map->structure_size); | |
1368 | ||
1369 | if (raid_map_size < offsetof(struct raid_map, disk_data)) { | |
1370 | err_msg = "RAID map too small"; | |
1371 | goto bad_raid_map; | |
1372 | } | |
1373 | ||
6c223761 KB |
1374 | if (device->raid_level == SA_RAID_1) { |
1375 | if (get_unaligned_le16(&raid_map->layout_map_count) != 2) { | |
1376 | err_msg = "invalid RAID-1 map"; | |
1377 | goto bad_raid_map; | |
1378 | } | |
7a012c23 | 1379 | } else if (device->raid_level == SA_RAID_TRIPLE) { |
6c223761 | 1380 | if (get_unaligned_le16(&raid_map->layout_map_count) != 3) { |
7a012c23 | 1381 | err_msg = "invalid RAID-1(Triple) map"; |
6c223761 KB |
1382 | goto bad_raid_map; |
1383 | } | |
1384 | } else if ((device->raid_level == SA_RAID_5 || | |
1385 | device->raid_level == SA_RAID_6) && | |
1386 | get_unaligned_le16(&raid_map->layout_map_count) > 1) { | |
1387 | /* RAID 50/60 */ | |
1388 | r5or6_blocks_per_row = | |
1389 | get_unaligned_le16(&raid_map->strip_size) * | |
1390 | get_unaligned_le16(&raid_map->data_disks_per_row); | |
1391 | if (r5or6_blocks_per_row == 0) { | |
1392 | err_msg = "invalid RAID-5 or RAID-6 map"; | |
1393 | goto bad_raid_map; | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | return 0; | |
1398 | ||
1399 | bad_raid_map: | |
d87d5474 | 1400 | dev_warn(&ctrl_info->pci_dev->dev, |
38a7338a KB |
1401 | "logical device %08x%08x %s\n", |
1402 | *((u32 *)&device->scsi3addr), | |
1403 | *((u32 *)&device->scsi3addr[4]), err_msg); | |
6c223761 KB |
1404 | |
1405 | return -EINVAL; | |
1406 | } | |
1407 | ||
1408 | static int pqi_get_raid_map(struct pqi_ctrl_info *ctrl_info, | |
1409 | struct pqi_scsi_dev *device) | |
1410 | { | |
1411 | int rc; | |
a91aaae0 | 1412 | u32 raid_map_size; |
6c223761 KB |
1413 | struct raid_map *raid_map; |
1414 | ||
1415 | raid_map = kmalloc(sizeof(*raid_map), GFP_KERNEL); | |
1416 | if (!raid_map) | |
1417 | return -ENOMEM; | |
1418 | ||
a91aaae0 | 1419 | rc = pqi_send_scsi_raid_request(ctrl_info, CISS_GET_RAID_MAP, |
ae0c189d | 1420 | device->scsi3addr, raid_map, sizeof(*raid_map), 0, NULL); |
6c223761 KB |
1421 | if (rc) |
1422 | goto error; | |
1423 | ||
a91aaae0 | 1424 | raid_map_size = get_unaligned_le32(&raid_map->structure_size); |
6c223761 | 1425 | |
a91aaae0 | 1426 | if (raid_map_size > sizeof(*raid_map)) { |
6c223761 | 1427 | |
a91aaae0 AK |
1428 | kfree(raid_map); |
1429 | ||
1430 | raid_map = kmalloc(raid_map_size, GFP_KERNEL); | |
1431 | if (!raid_map) | |
1432 | return -ENOMEM; | |
1433 | ||
1434 | rc = pqi_send_scsi_raid_request(ctrl_info, CISS_GET_RAID_MAP, | |
ae0c189d | 1435 | device->scsi3addr, raid_map, raid_map_size, 0, NULL); |
a91aaae0 AK |
1436 | if (rc) |
1437 | goto error; | |
1438 | ||
1439 | if (get_unaligned_le32(&raid_map->structure_size) | |
1440 | != raid_map_size) { | |
1441 | dev_warn(&ctrl_info->pci_dev->dev, | |
583891c9 | 1442 | "requested %u bytes, received %u bytes\n", |
a91aaae0 AK |
1443 | raid_map_size, |
1444 | get_unaligned_le32(&raid_map->structure_size)); | |
d1f6581a | 1445 | rc = -EINVAL; |
a91aaae0 AK |
1446 | goto error; |
1447 | } | |
1448 | } | |
6c223761 KB |
1449 | |
1450 | rc = pqi_validate_raid_map(ctrl_info, device, raid_map); | |
1451 | if (rc) | |
1452 | goto error; | |
1453 | ||
1454 | device->raid_map = raid_map; | |
1455 | ||
1456 | return 0; | |
1457 | ||
1458 | error: | |
1459 | kfree(raid_map); | |
1460 | ||
1461 | return rc; | |
1462 | } | |
1463 | ||
f6cc2a77 KB |
1464 | static void pqi_set_max_transfer_encrypted(struct pqi_ctrl_info *ctrl_info, |
1465 | struct pqi_scsi_dev *device) | |
1466 | { | |
1467 | if (!ctrl_info->lv_drive_type_mix_valid) { | |
1468 | device->max_transfer_encrypted = ~0; | |
1469 | return; | |
1470 | } | |
1471 | ||
1472 | switch (LV_GET_DRIVE_TYPE_MIX(device->scsi3addr)) { | |
1473 | case LV_DRIVE_TYPE_MIX_SAS_HDD_ONLY: | |
1474 | case LV_DRIVE_TYPE_MIX_SATA_HDD_ONLY: | |
1475 | case LV_DRIVE_TYPE_MIX_SAS_OR_SATA_SSD_ONLY: | |
1476 | case LV_DRIVE_TYPE_MIX_SAS_SSD_ONLY: | |
1477 | case LV_DRIVE_TYPE_MIX_SATA_SSD_ONLY: | |
1478 | case LV_DRIVE_TYPE_MIX_SAS_ONLY: | |
1479 | case LV_DRIVE_TYPE_MIX_SATA_ONLY: | |
1480 | device->max_transfer_encrypted = | |
1481 | ctrl_info->max_transfer_encrypted_sas_sata; | |
1482 | break; | |
1483 | case LV_DRIVE_TYPE_MIX_NVME_ONLY: | |
1484 | device->max_transfer_encrypted = | |
1485 | ctrl_info->max_transfer_encrypted_nvme; | |
1486 | break; | |
1487 | case LV_DRIVE_TYPE_MIX_UNKNOWN: | |
1488 | case LV_DRIVE_TYPE_MIX_NO_RESTRICTION: | |
1489 | default: | |
1490 | device->max_transfer_encrypted = | |
1491 | min(ctrl_info->max_transfer_encrypted_sas_sata, | |
1492 | ctrl_info->max_transfer_encrypted_nvme); | |
1493 | break; | |
1494 | } | |
1495 | } | |
1496 | ||
588a63fe | 1497 | static void pqi_get_raid_bypass_status(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
1498 | struct pqi_scsi_dev *device) |
1499 | { | |
1500 | int rc; | |
1501 | u8 *buffer; | |
588a63fe | 1502 | u8 bypass_status; |
6c223761 KB |
1503 | |
1504 | buffer = kmalloc(64, GFP_KERNEL); | |
1505 | if (!buffer) | |
1506 | return; | |
1507 | ||
1508 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, | |
588a63fe | 1509 | VPD_PAGE | CISS_VPD_LV_BYPASS_STATUS, buffer, 64); |
6c223761 KB |
1510 | if (rc) |
1511 | goto out; | |
1512 | ||
694c5d5b KB |
1513 | #define RAID_BYPASS_STATUS 4 |
1514 | #define RAID_BYPASS_CONFIGURED 0x1 | |
1515 | #define RAID_BYPASS_ENABLED 0x2 | |
6c223761 | 1516 | |
588a63fe KB |
1517 | bypass_status = buffer[RAID_BYPASS_STATUS]; |
1518 | device->raid_bypass_configured = | |
1519 | (bypass_status & RAID_BYPASS_CONFIGURED) != 0; | |
1520 | if (device->raid_bypass_configured && | |
1521 | (bypass_status & RAID_BYPASS_ENABLED) && | |
f6cc2a77 | 1522 | pqi_get_raid_map(ctrl_info, device) == 0) { |
588a63fe | 1523 | device->raid_bypass_enabled = true; |
f6cc2a77 KB |
1524 | if (get_unaligned_le16(&device->raid_map->flags) & |
1525 | RAID_MAP_ENCRYPTION_ENABLED) | |
1526 | pqi_set_max_transfer_encrypted(ctrl_info, device); | |
1527 | } | |
6c223761 KB |
1528 | |
1529 | out: | |
1530 | kfree(buffer); | |
1531 | } | |
1532 | ||
1533 | /* | |
1534 | * Use vendor-specific VPD to determine online/offline status of a volume. | |
1535 | */ | |
1536 | ||
1537 | static void pqi_get_volume_status(struct pqi_ctrl_info *ctrl_info, | |
1538 | struct pqi_scsi_dev *device) | |
1539 | { | |
1540 | int rc; | |
1541 | size_t page_length; | |
1542 | u8 volume_status = CISS_LV_STATUS_UNAVAILABLE; | |
1543 | bool volume_offline = true; | |
1544 | u32 volume_flags; | |
1545 | struct ciss_vpd_logical_volume_status *vpd; | |
1546 | ||
1547 | vpd = kmalloc(sizeof(*vpd), GFP_KERNEL); | |
1548 | if (!vpd) | |
1549 | goto no_buffer; | |
1550 | ||
1551 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, | |
1552 | VPD_PAGE | CISS_VPD_LV_STATUS, vpd, sizeof(*vpd)); | |
1553 | if (rc) | |
1554 | goto out; | |
1555 | ||
7ff44499 DC |
1556 | if (vpd->page_code != CISS_VPD_LV_STATUS) |
1557 | goto out; | |
1558 | ||
6c223761 KB |
1559 | page_length = offsetof(struct ciss_vpd_logical_volume_status, |
1560 | volume_status) + vpd->page_length; | |
1561 | if (page_length < sizeof(*vpd)) | |
1562 | goto out; | |
1563 | ||
1564 | volume_status = vpd->volume_status; | |
1565 | volume_flags = get_unaligned_be32(&vpd->flags); | |
1566 | volume_offline = (volume_flags & CISS_LV_FLAGS_NO_HOST_IO) != 0; | |
1567 | ||
1568 | out: | |
1569 | kfree(vpd); | |
1570 | no_buffer: | |
1571 | device->volume_status = volume_status; | |
1572 | device->volume_offline = volume_offline; | |
1573 | } | |
1574 | ||
2a47834d | 1575 | #define PQI_DEVICE_NCQ_PRIO_SUPPORTED 0x01 |
ec504b23 MB |
1576 | #define PQI_DEVICE_PHY_MAP_SUPPORTED 0x10 |
1577 | ||
ce143793 KB |
1578 | static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, |
1579 | struct pqi_scsi_dev *device, | |
1580 | struct bmic_identify_physical_device *id_phys) | |
1581 | { | |
1582 | int rc; | |
26b390ab | 1583 | |
ce143793 KB |
1584 | memset(id_phys, 0, sizeof(*id_phys)); |
1585 | ||
1586 | rc = pqi_identify_physical_device(ctrl_info, device, | |
1587 | id_phys, sizeof(*id_phys)); | |
1588 | if (rc) { | |
1589 | device->queue_depth = PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH; | |
1590 | return rc; | |
1591 | } | |
1592 | ||
1593 | scsi_sanitize_inquiry_string(&id_phys->model[0], 8); | |
1594 | scsi_sanitize_inquiry_string(&id_phys->model[8], 16); | |
1595 | ||
1596 | memcpy(device->vendor, &id_phys->model[0], sizeof(device->vendor)); | |
1597 | memcpy(device->model, &id_phys->model[8], sizeof(device->model)); | |
1598 | ||
1599 | device->box_index = id_phys->box_index; | |
1600 | device->phys_box_on_bus = id_phys->phys_box_on_bus; | |
1601 | device->phy_connected_dev_type = id_phys->phy_connected_dev_type[0]; | |
1602 | device->queue_depth = | |
1603 | get_unaligned_le16(&id_phys->current_queue_depth_limit); | |
1604 | device->active_path_index = id_phys->active_path_number; | |
1605 | device->path_map = id_phys->redundant_path_present_map; | |
1606 | memcpy(&device->box, | |
1607 | &id_phys->alternate_paths_phys_box_on_port, | |
1608 | sizeof(device->box)); | |
1609 | memcpy(&device->phys_connector, | |
1610 | &id_phys->alternate_paths_phys_connector, | |
1611 | sizeof(device->phys_connector)); | |
1612 | device->bay = id_phys->phys_bay_in_box; | |
904f2bfd KM |
1613 | device->multi_lun_device_lun_count = id_phys->multi_lun_device_lun_count; |
1614 | if (!device->multi_lun_device_lun_count) | |
1615 | device->multi_lun_device_lun_count = 1; | |
ec504b23 MB |
1616 | if ((id_phys->even_more_flags & PQI_DEVICE_PHY_MAP_SUPPORTED) && |
1617 | id_phys->phy_count) | |
1618 | device->phy_id = | |
1619 | id_phys->phy_to_phy_map[device->active_path_index]; | |
1620 | else | |
1621 | device->phy_id = 0xFF; | |
1622 | ||
2a47834d GW |
1623 | device->ncq_prio_support = |
1624 | ((get_unaligned_le32(&id_phys->misc_drive_flags) >> 16) & | |
1625 | PQI_DEVICE_NCQ_PRIO_SUPPORTED); | |
1626 | ||
ce143793 KB |
1627 | return 0; |
1628 | } | |
1629 | ||
1630 | static int pqi_get_logical_device_info(struct pqi_ctrl_info *ctrl_info, | |
6c223761 KB |
1631 | struct pqi_scsi_dev *device) |
1632 | { | |
1633 | int rc; | |
1634 | u8 *buffer; | |
3d46a59a | 1635 | |
6c223761 KB |
1636 | buffer = kmalloc(64, GFP_KERNEL); |
1637 | if (!buffer) | |
1638 | return -ENOMEM; | |
1639 | ||
1640 | /* Send an inquiry to the device to see what it is. */ | |
ce143793 KB |
1641 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, 0, buffer, 64); |
1642 | if (rc) | |
1643 | goto out; | |
6c223761 KB |
1644 | |
1645 | scsi_sanitize_inquiry_string(&buffer[8], 8); | |
1646 | scsi_sanitize_inquiry_string(&buffer[16], 16); | |
1647 | ||
1648 | device->devtype = buffer[0] & 0x1f; | |
cbe0c7b1 KB |
1649 | memcpy(device->vendor, &buffer[8], sizeof(device->vendor)); |
1650 | memcpy(device->model, &buffer[16], sizeof(device->model)); | |
6c223761 | 1651 | |
ce143793 | 1652 | if (device->devtype == TYPE_DISK) { |
bd10cf0b KB |
1653 | if (device->is_external_raid_device) { |
1654 | device->raid_level = SA_RAID_UNKNOWN; | |
1655 | device->volume_status = CISS_LV_OK; | |
1656 | device->volume_offline = false; | |
1657 | } else { | |
1658 | pqi_get_raid_level(ctrl_info, device); | |
588a63fe | 1659 | pqi_get_raid_bypass_status(ctrl_info, device); |
bd10cf0b KB |
1660 | pqi_get_volume_status(ctrl_info, device); |
1661 | } | |
6c223761 KB |
1662 | } |
1663 | ||
1664 | out: | |
1665 | kfree(buffer); | |
1666 | ||
1667 | return rc; | |
1668 | } | |
1669 | ||
be76f906 DB |
1670 | /* |
1671 | * Prevent adding drive to OS for some corner cases such as a drive | |
1672 | * undergoing a sanitize operation. Some OSes will continue to poll | |
1673 | * the drive until the sanitize completes, which can take hours, | |
1674 | * resulting in long bootup delays. Commands such as TUR, READ_CAP | |
1675 | * are allowed, but READ/WRITE cause check condition. So the OS | |
1676 | * cannot check/read the partition table. | |
1677 | * Note: devices that have completed sanitize must be re-enabled | |
1678 | * using the management utility. | |
1679 | */ | |
1680 | static bool pqi_keep_device_offline(struct pqi_ctrl_info *ctrl_info, | |
1681 | struct pqi_scsi_dev *device) | |
1682 | { | |
1683 | u8 scsi_status; | |
1684 | int rc; | |
1685 | enum dma_data_direction dir; | |
1686 | char *buffer; | |
1687 | int buffer_length = 64; | |
1688 | size_t sense_data_length; | |
1689 | struct scsi_sense_hdr sshdr; | |
1690 | struct pqi_raid_path_request request; | |
1691 | struct pqi_raid_error_info error_info; | |
1692 | bool offline = false; /* Assume keep online */ | |
1693 | ||
1694 | /* Do not check controllers. */ | |
1695 | if (pqi_is_hba_lunid(device->scsi3addr)) | |
1696 | return false; | |
1697 | ||
1698 | /* Do not check LVs. */ | |
1699 | if (pqi_is_logical_device(device)) | |
1700 | return false; | |
1701 | ||
1702 | buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1703 | if (!buffer) | |
1704 | return false; /* Assume not offline */ | |
1705 | ||
1706 | /* Check for SANITIZE in progress using TUR */ | |
1707 | rc = pqi_build_raid_path_request(ctrl_info, &request, | |
1708 | TEST_UNIT_READY, RAID_CTLR_LUNID, buffer, | |
1709 | buffer_length, 0, &dir); | |
1710 | if (rc) | |
1711 | goto out; /* Assume not offline */ | |
1712 | ||
1713 | memcpy(request.lun_number, device->scsi3addr, sizeof(request.lun_number)); | |
1714 | ||
1715 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, &error_info); | |
1716 | ||
1717 | if (rc) | |
1718 | goto out; /* Assume not offline */ | |
1719 | ||
1720 | scsi_status = error_info.status; | |
1721 | sense_data_length = get_unaligned_le16(&error_info.sense_data_length); | |
1722 | if (sense_data_length == 0) | |
1723 | sense_data_length = | |
1724 | get_unaligned_le16(&error_info.response_data_length); | |
1725 | if (sense_data_length) { | |
1726 | if (sense_data_length > sizeof(error_info.data)) | |
1727 | sense_data_length = sizeof(error_info.data); | |
1728 | ||
1729 | /* | |
1730 | * Check for sanitize in progress: asc:0x04, ascq: 0x1b | |
1731 | */ | |
1732 | if (scsi_status == SAM_STAT_CHECK_CONDITION && | |
1733 | scsi_normalize_sense(error_info.data, | |
1734 | sense_data_length, &sshdr) && | |
1735 | sshdr.sense_key == NOT_READY && | |
1736 | sshdr.asc == 0x04 && | |
1737 | sshdr.ascq == 0x1b) { | |
1738 | device->device_offline = true; | |
1739 | offline = true; | |
1740 | goto out; /* Keep device offline */ | |
1741 | } | |
1742 | } | |
1743 | ||
1744 | out: | |
1745 | kfree(buffer); | |
1746 | return offline; | |
1747 | } | |
1748 | ||
ce143793 | 1749 | static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
1750 | struct pqi_scsi_dev *device, |
1751 | struct bmic_identify_physical_device *id_phys) | |
1752 | { | |
1753 | int rc; | |
1754 | ||
ce143793 KB |
1755 | if (device->is_expander_smp_device) |
1756 | return 0; | |
6c223761 | 1757 | |
ce143793 KB |
1758 | if (pqi_is_logical_device(device)) |
1759 | rc = pqi_get_logical_device_info(ctrl_info, device); | |
1760 | else | |
1761 | rc = pqi_get_physical_device_info(ctrl_info, device, id_phys); | |
694c5d5b | 1762 | |
ce143793 | 1763 | return rc; |
6c223761 KB |
1764 | } |
1765 | ||
1766 | static void pqi_show_volume_status(struct pqi_ctrl_info *ctrl_info, | |
1767 | struct pqi_scsi_dev *device) | |
1768 | { | |
1769 | char *status; | |
1770 | static const char unknown_state_str[] = | |
1771 | "Volume is in an unknown state (%u)"; | |
1772 | char unknown_state_buffer[sizeof(unknown_state_str) + 10]; | |
1773 | ||
1774 | switch (device->volume_status) { | |
1775 | case CISS_LV_OK: | |
1776 | status = "Volume online"; | |
1777 | break; | |
1778 | case CISS_LV_FAILED: | |
1779 | status = "Volume failed"; | |
1780 | break; | |
1781 | case CISS_LV_NOT_CONFIGURED: | |
1782 | status = "Volume not configured"; | |
1783 | break; | |
1784 | case CISS_LV_DEGRADED: | |
1785 | status = "Volume degraded"; | |
1786 | break; | |
1787 | case CISS_LV_READY_FOR_RECOVERY: | |
1788 | status = "Volume ready for recovery operation"; | |
1789 | break; | |
1790 | case CISS_LV_UNDERGOING_RECOVERY: | |
1791 | status = "Volume undergoing recovery"; | |
1792 | break; | |
1793 | case CISS_LV_WRONG_PHYSICAL_DRIVE_REPLACED: | |
1794 | status = "Wrong physical drive was replaced"; | |
1795 | break; | |
1796 | case CISS_LV_PHYSICAL_DRIVE_CONNECTION_PROBLEM: | |
1797 | status = "A physical drive not properly connected"; | |
1798 | break; | |
1799 | case CISS_LV_HARDWARE_OVERHEATING: | |
1800 | status = "Hardware is overheating"; | |
1801 | break; | |
1802 | case CISS_LV_HARDWARE_HAS_OVERHEATED: | |
1803 | status = "Hardware has overheated"; | |
1804 | break; | |
1805 | case CISS_LV_UNDERGOING_EXPANSION: | |
1806 | status = "Volume undergoing expansion"; | |
1807 | break; | |
1808 | case CISS_LV_NOT_AVAILABLE: | |
1809 | status = "Volume waiting for transforming volume"; | |
1810 | break; | |
1811 | case CISS_LV_QUEUED_FOR_EXPANSION: | |
1812 | status = "Volume queued for expansion"; | |
1813 | break; | |
1814 | case CISS_LV_DISABLED_SCSI_ID_CONFLICT: | |
1815 | status = "Volume disabled due to SCSI ID conflict"; | |
1816 | break; | |
1817 | case CISS_LV_EJECTED: | |
1818 | status = "Volume has been ejected"; | |
1819 | break; | |
1820 | case CISS_LV_UNDERGOING_ERASE: | |
1821 | status = "Volume undergoing background erase"; | |
1822 | break; | |
1823 | case CISS_LV_READY_FOR_PREDICTIVE_SPARE_REBUILD: | |
1824 | status = "Volume ready for predictive spare rebuild"; | |
1825 | break; | |
1826 | case CISS_LV_UNDERGOING_RPI: | |
1827 | status = "Volume undergoing rapid parity initialization"; | |
1828 | break; | |
1829 | case CISS_LV_PENDING_RPI: | |
1830 | status = "Volume queued for rapid parity initialization"; | |
1831 | break; | |
1832 | case CISS_LV_ENCRYPTED_NO_KEY: | |
1833 | status = "Encrypted volume inaccessible - key not present"; | |
1834 | break; | |
1835 | case CISS_LV_UNDERGOING_ENCRYPTION: | |
1836 | status = "Volume undergoing encryption process"; | |
1837 | break; | |
1838 | case CISS_LV_UNDERGOING_ENCRYPTION_REKEYING: | |
1839 | status = "Volume undergoing encryption re-keying process"; | |
1840 | break; | |
1841 | case CISS_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER: | |
d87d5474 | 1842 | status = "Volume encrypted but encryption is disabled"; |
6c223761 KB |
1843 | break; |
1844 | case CISS_LV_PENDING_ENCRYPTION: | |
1845 | status = "Volume pending migration to encrypted state"; | |
1846 | break; | |
1847 | case CISS_LV_PENDING_ENCRYPTION_REKEYING: | |
1848 | status = "Volume pending encryption rekeying"; | |
1849 | break; | |
1850 | case CISS_LV_NOT_SUPPORTED: | |
1851 | status = "Volume not supported on this controller"; | |
1852 | break; | |
1853 | case CISS_LV_STATUS_UNAVAILABLE: | |
1854 | status = "Volume status not available"; | |
1855 | break; | |
1856 | default: | |
1857 | snprintf(unknown_state_buffer, sizeof(unknown_state_buffer), | |
1858 | unknown_state_str, device->volume_status); | |
1859 | status = unknown_state_buffer; | |
1860 | break; | |
1861 | } | |
1862 | ||
1863 | dev_info(&ctrl_info->pci_dev->dev, | |
1864 | "scsi %d:%d:%d:%d %s\n", | |
1865 | ctrl_info->scsi_host->host_no, | |
1866 | device->bus, device->target, device->lun, status); | |
1867 | } | |
1868 | ||
6c223761 KB |
1869 | static void pqi_rescan_worker(struct work_struct *work) |
1870 | { | |
1871 | struct pqi_ctrl_info *ctrl_info; | |
1872 | ||
1873 | ctrl_info = container_of(to_delayed_work(work), struct pqi_ctrl_info, | |
1874 | rescan_work); | |
1875 | ||
1876 | pqi_scan_scsi_devices(ctrl_info); | |
1877 | } | |
1878 | ||
1879 | static int pqi_add_device(struct pqi_ctrl_info *ctrl_info, | |
1880 | struct pqi_scsi_dev *device) | |
1881 | { | |
1882 | int rc; | |
1883 | ||
1884 | if (pqi_is_logical_device(device)) | |
1885 | rc = scsi_add_device(ctrl_info->scsi_host, device->bus, | |
1886 | device->target, device->lun); | |
1887 | else | |
1888 | rc = pqi_add_sas_device(ctrl_info->sas_host, device); | |
1889 | ||
1890 | return rc; | |
1891 | } | |
1892 | ||
18ff5f08 | 1893 | #define PQI_REMOVE_DEVICE_PENDING_IO_TIMEOUT_MSECS (20 * 1000) |
1e46731e | 1894 | |
583891c9 | 1895 | static inline void pqi_remove_device(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) |
6c223761 | 1896 | { |
1e46731e | 1897 | int rc; |
904f2bfd | 1898 | int lun; |
1e46731e | 1899 | |
904f2bfd KM |
1900 | for (lun = 0; lun < device->multi_lun_device_lun_count; lun++) { |
1901 | rc = pqi_device_wait_for_pending_io(ctrl_info, device, lun, | |
1902 | PQI_REMOVE_DEVICE_PENDING_IO_TIMEOUT_MSECS); | |
1903 | if (rc) | |
1904 | dev_err(&ctrl_info->pci_dev->dev, | |
1905 | "scsi %d:%d:%d:%d removing device with %d outstanding command(s)\n", | |
1906 | ctrl_info->scsi_host->host_no, device->bus, | |
1907 | device->target, lun, | |
1908 | atomic_read(&device->scsi_cmds_outstanding[lun])); | |
1909 | } | |
1e46731e | 1910 | |
6c223761 KB |
1911 | if (pqi_is_logical_device(device)) |
1912 | scsi_remove_device(device->sdev); | |
1913 | else | |
1914 | pqi_remove_sas_device(device); | |
819225b0 DB |
1915 | |
1916 | pqi_device_remove_start(device); | |
6c223761 KB |
1917 | } |
1918 | ||
1919 | /* Assumes the SCSI device list lock is held. */ | |
1920 | ||
1921 | static struct pqi_scsi_dev *pqi_find_scsi_dev(struct pqi_ctrl_info *ctrl_info, | |
1922 | int bus, int target, int lun) | |
1923 | { | |
1924 | struct pqi_scsi_dev *device; | |
1925 | ||
4d15ad38 KB |
1926 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) |
1927 | if (device->bus == bus && device->target == target && device->lun == lun) | |
6c223761 KB |
1928 | return device; |
1929 | ||
1930 | return NULL; | |
1931 | } | |
1932 | ||
583891c9 | 1933 | static inline bool pqi_device_equal(struct pqi_scsi_dev *dev1, struct pqi_scsi_dev *dev2) |
6c223761 KB |
1934 | { |
1935 | if (dev1->is_physical_device != dev2->is_physical_device) | |
1936 | return false; | |
1937 | ||
1938 | if (dev1->is_physical_device) | |
28ca6d87 | 1939 | return memcmp(dev1->wwid, dev2->wwid, sizeof(dev1->wwid)) == 0; |
6c223761 | 1940 | |
583891c9 | 1941 | return memcmp(dev1->volume_id, dev2->volume_id, sizeof(dev1->volume_id)) == 0; |
6c223761 KB |
1942 | } |
1943 | ||
1944 | enum pqi_find_result { | |
1945 | DEVICE_NOT_FOUND, | |
1946 | DEVICE_CHANGED, | |
1947 | DEVICE_SAME, | |
1948 | }; | |
1949 | ||
1950 | static enum pqi_find_result pqi_scsi_find_entry(struct pqi_ctrl_info *ctrl_info, | |
4d15ad38 | 1951 | struct pqi_scsi_dev *device_to_find, struct pqi_scsi_dev **matching_device) |
6c223761 KB |
1952 | { |
1953 | struct pqi_scsi_dev *device; | |
1954 | ||
4d15ad38 KB |
1955 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { |
1956 | if (pqi_scsi3addr_equal(device_to_find->scsi3addr, device->scsi3addr)) { | |
6c223761 KB |
1957 | *matching_device = device; |
1958 | if (pqi_device_equal(device_to_find, device)) { | |
1959 | if (device_to_find->volume_offline) | |
1960 | return DEVICE_CHANGED; | |
1961 | return DEVICE_SAME; | |
1962 | } | |
1963 | return DEVICE_CHANGED; | |
1964 | } | |
1965 | } | |
1966 | ||
1967 | return DEVICE_NOT_FOUND; | |
1968 | } | |
1969 | ||
3d46a59a DB |
1970 | static inline const char *pqi_device_type(struct pqi_scsi_dev *device) |
1971 | { | |
1972 | if (device->is_expander_smp_device) | |
1973 | return "Enclosure SMP "; | |
1974 | ||
1975 | return scsi_device_type(device->devtype); | |
1976 | } | |
1977 | ||
6de783f6 KB |
1978 | #define PQI_DEV_INFO_BUFFER_LENGTH 128 |
1979 | ||
6c223761 KB |
1980 | static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, |
1981 | char *action, struct pqi_scsi_dev *device) | |
1982 | { | |
6de783f6 KB |
1983 | ssize_t count; |
1984 | char buffer[PQI_DEV_INFO_BUFFER_LENGTH]; | |
1985 | ||
a4256252 | 1986 | count = scnprintf(buffer, PQI_DEV_INFO_BUFFER_LENGTH, |
6de783f6 KB |
1987 | "%d:%d:", ctrl_info->scsi_host->host_no, device->bus); |
1988 | ||
1989 | if (device->target_lun_valid) | |
181aea89 | 1990 | count += scnprintf(buffer + count, |
6de783f6 KB |
1991 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
1992 | "%d:%d", | |
1993 | device->target, | |
1994 | device->lun); | |
1995 | else | |
181aea89 | 1996 | count += scnprintf(buffer + count, |
6de783f6 KB |
1997 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
1998 | "-:-"); | |
1999 | ||
2000 | if (pqi_is_logical_device(device)) | |
181aea89 | 2001 | count += scnprintf(buffer + count, |
6de783f6 KB |
2002 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2003 | " %08x%08x", | |
2004 | *((u32 *)&device->scsi3addr), | |
2005 | *((u32 *)&device->scsi3addr[4])); | |
2006 | else | |
181aea89 | 2007 | count += scnprintf(buffer + count, |
6de783f6 | 2008 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
28ca6d87 MM |
2009 | " %016llx%016llx", |
2010 | get_unaligned_be64(&device->wwid[0]), | |
2011 | get_unaligned_be64(&device->wwid[8])); | |
6de783f6 | 2012 | |
181aea89 | 2013 | count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, |
6de783f6 | 2014 | " %s %.8s %.16s ", |
3d46a59a | 2015 | pqi_device_type(device), |
6c223761 | 2016 | device->vendor, |
6de783f6 KB |
2017 | device->model); |
2018 | ||
2019 | if (pqi_is_logical_device(device)) { | |
2020 | if (device->devtype == TYPE_DISK) | |
181aea89 | 2021 | count += scnprintf(buffer + count, |
6de783f6 KB |
2022 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2023 | "SSDSmartPathCap%c En%c %-12s", | |
588a63fe KB |
2024 | device->raid_bypass_configured ? '+' : '-', |
2025 | device->raid_bypass_enabled ? '+' : '-', | |
6de783f6 KB |
2026 | pqi_raid_level_to_string(device->raid_level)); |
2027 | } else { | |
181aea89 | 2028 | count += scnprintf(buffer + count, |
6de783f6 KB |
2029 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2030 | "AIO%c", device->aio_enabled ? '+' : '-'); | |
2031 | if (device->devtype == TYPE_DISK || | |
2032 | device->devtype == TYPE_ZBC) | |
181aea89 | 2033 | count += scnprintf(buffer + count, |
6de783f6 KB |
2034 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2035 | " qd=%-6d", device->queue_depth); | |
2036 | } | |
2037 | ||
2038 | dev_info(&ctrl_info->pci_dev->dev, "%s %s\n", action, buffer); | |
6c223761 KB |
2039 | } |
2040 | ||
6ce3cfb3 KB |
2041 | static bool pqi_raid_maps_equal(struct raid_map *raid_map1, struct raid_map *raid_map2) |
2042 | { | |
2043 | u32 raid_map1_size; | |
2044 | u32 raid_map2_size; | |
2045 | ||
2046 | if (raid_map1 == NULL || raid_map2 == NULL) | |
2047 | return raid_map1 == raid_map2; | |
2048 | ||
2049 | raid_map1_size = get_unaligned_le32(&raid_map1->structure_size); | |
2050 | raid_map2_size = get_unaligned_le32(&raid_map2->structure_size); | |
2051 | ||
2052 | if (raid_map1_size != raid_map2_size) | |
2053 | return false; | |
2054 | ||
2055 | return memcmp(raid_map1, raid_map2, raid_map1_size) == 0; | |
2056 | } | |
2057 | ||
6c223761 KB |
2058 | /* Assumes the SCSI device list lock is held. */ |
2059 | ||
27655e9d MR |
2060 | static void pqi_scsi_update_device(struct pqi_ctrl_info *ctrl_info, |
2061 | struct pqi_scsi_dev *existing_device, struct pqi_scsi_dev *new_device) | |
6c223761 | 2062 | { |
6c223761 KB |
2063 | existing_device->device_type = new_device->device_type; |
2064 | existing_device->bus = new_device->bus; | |
2065 | if (new_device->target_lun_valid) { | |
2066 | existing_device->target = new_device->target; | |
2067 | existing_device->lun = new_device->lun; | |
2068 | existing_device->target_lun_valid = true; | |
2069 | } | |
2070 | ||
2071 | /* By definition, the scsi3addr and wwid fields are already the same. */ | |
2072 | ||
2073 | existing_device->is_physical_device = new_device->is_physical_device; | |
6ce3cfb3 KB |
2074 | memcpy(existing_device->vendor, new_device->vendor, sizeof(existing_device->vendor)); |
2075 | memcpy(existing_device->model, new_device->model, sizeof(existing_device->model)); | |
6c223761 | 2076 | existing_device->sas_address = new_device->sas_address; |
6c223761 | 2077 | existing_device->queue_depth = new_device->queue_depth; |
a9a68101 | 2078 | existing_device->device_offline = false; |
6c223761 | 2079 | |
6ce3cfb3 KB |
2080 | if (pqi_is_logical_device(existing_device)) { |
2081 | existing_device->is_external_raid_device = new_device->is_external_raid_device; | |
2082 | ||
2083 | if (existing_device->devtype == TYPE_DISK) { | |
2084 | existing_device->raid_level = new_device->raid_level; | |
2085 | existing_device->volume_status = new_device->volume_status; | |
2086 | if (ctrl_info->logical_volume_rescan_needed) | |
2087 | existing_device->rescan = true; | |
2088 | memset(existing_device->next_bypass_group, 0, sizeof(existing_device->next_bypass_group)); | |
2089 | if (!pqi_raid_maps_equal(existing_device->raid_map, new_device->raid_map)) { | |
2090 | kfree(existing_device->raid_map); | |
2091 | existing_device->raid_map = new_device->raid_map; | |
2092 | /* To prevent this from being freed later. */ | |
2093 | new_device->raid_map = NULL; | |
2094 | } | |
2095 | existing_device->raid_bypass_configured = new_device->raid_bypass_configured; | |
2096 | existing_device->raid_bypass_enabled = new_device->raid_bypass_enabled; | |
2097 | } | |
2098 | } else { | |
2099 | existing_device->aio_enabled = new_device->aio_enabled; | |
2100 | existing_device->aio_handle = new_device->aio_handle; | |
2101 | existing_device->is_expander_smp_device = new_device->is_expander_smp_device; | |
2102 | existing_device->active_path_index = new_device->active_path_index; | |
2103 | existing_device->phy_id = new_device->phy_id; | |
2104 | existing_device->path_map = new_device->path_map; | |
2105 | existing_device->bay = new_device->bay; | |
2106 | existing_device->box_index = new_device->box_index; | |
2107 | existing_device->phys_box_on_bus = new_device->phys_box_on_bus; | |
2108 | existing_device->phy_connected_dev_type = new_device->phy_connected_dev_type; | |
2109 | memcpy(existing_device->box, new_device->box, sizeof(existing_device->box)); | |
2110 | memcpy(existing_device->phys_connector, new_device->phys_connector, sizeof(existing_device->phys_connector)); | |
2111 | ||
2112 | existing_device->multi_lun_device_lun_count = new_device->multi_lun_device_lun_count; | |
2113 | if (existing_device->multi_lun_device_lun_count == 0) | |
2114 | existing_device->multi_lun_device_lun_count = 1; | |
2115 | } | |
6c223761 KB |
2116 | } |
2117 | ||
2118 | static inline void pqi_free_device(struct pqi_scsi_dev *device) | |
2119 | { | |
2120 | if (device) { | |
2121 | kfree(device->raid_map); | |
2122 | kfree(device); | |
2123 | } | |
2124 | } | |
2125 | ||
2126 | /* | |
2127 | * Called when exposing a new device to the OS fails in order to re-adjust | |
2128 | * our internal SCSI device list to match the SCSI ML's view. | |
2129 | */ | |
2130 | ||
2131 | static inline void pqi_fixup_botched_add(struct pqi_ctrl_info *ctrl_info, | |
2132 | struct pqi_scsi_dev *device) | |
2133 | { | |
2134 | unsigned long flags; | |
2135 | ||
2136 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
2137 | list_del(&device->scsi_device_list_entry); | |
2138 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
2139 | ||
2140 | /* Allow the device structure to be freed later. */ | |
2141 | device->keep_device = false; | |
2142 | } | |
2143 | ||
3d46a59a DB |
2144 | static inline bool pqi_is_device_added(struct pqi_scsi_dev *device) |
2145 | { | |
2146 | if (device->is_expander_smp_device) | |
2147 | return device->sas_port != NULL; | |
2148 | ||
2149 | return device->sdev != NULL; | |
2150 | } | |
2151 | ||
6c223761 KB |
2152 | static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, |
2153 | struct pqi_scsi_dev *new_device_list[], unsigned int num_new_devices) | |
2154 | { | |
2155 | int rc; | |
2156 | unsigned int i; | |
2157 | unsigned long flags; | |
2158 | enum pqi_find_result find_result; | |
2159 | struct pqi_scsi_dev *device; | |
2160 | struct pqi_scsi_dev *next; | |
2161 | struct pqi_scsi_dev *matching_device; | |
8a994a04 KB |
2162 | LIST_HEAD(add_list); |
2163 | LIST_HEAD(delete_list); | |
6c223761 KB |
2164 | |
2165 | /* | |
2166 | * The idea here is to do as little work as possible while holding the | |
2167 | * spinlock. That's why we go to great pains to defer anything other | |
2168 | * than updating the internal device list until after we release the | |
2169 | * spinlock. | |
2170 | */ | |
2171 | ||
2172 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
2173 | ||
2174 | /* Assume that all devices in the existing list have gone away. */ | |
4d15ad38 | 2175 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) |
6c223761 KB |
2176 | device->device_gone = true; |
2177 | ||
2178 | for (i = 0; i < num_new_devices; i++) { | |
2179 | device = new_device_list[i]; | |
2180 | ||
2181 | find_result = pqi_scsi_find_entry(ctrl_info, device, | |
694c5d5b | 2182 | &matching_device); |
6c223761 KB |
2183 | |
2184 | switch (find_result) { | |
2185 | case DEVICE_SAME: | |
2186 | /* | |
2187 | * The newly found device is already in the existing | |
2188 | * device list. | |
2189 | */ | |
2190 | device->new_device = false; | |
2191 | matching_device->device_gone = false; | |
27655e9d | 2192 | pqi_scsi_update_device(ctrl_info, matching_device, device); |
6c223761 KB |
2193 | break; |
2194 | case DEVICE_NOT_FOUND: | |
2195 | /* | |
2196 | * The newly found device is NOT in the existing device | |
2197 | * list. | |
2198 | */ | |
2199 | device->new_device = true; | |
2200 | break; | |
2201 | case DEVICE_CHANGED: | |
2202 | /* | |
2203 | * The original device has gone away and we need to add | |
2204 | * the new device. | |
2205 | */ | |
2206 | device->new_device = true; | |
2207 | break; | |
6c223761 KB |
2208 | } |
2209 | } | |
2210 | ||
2211 | /* Process all devices that have gone away. */ | |
2212 | list_for_each_entry_safe(device, next, &ctrl_info->scsi_device_list, | |
2213 | scsi_device_list_entry) { | |
2214 | if (device->device_gone) { | |
819225b0 | 2215 | list_del(&device->scsi_device_list_entry); |
6c223761 KB |
2216 | list_add_tail(&device->delete_list_entry, &delete_list); |
2217 | } | |
2218 | } | |
2219 | ||
2220 | /* Process all new devices. */ | |
2221 | for (i = 0; i < num_new_devices; i++) { | |
2222 | device = new_device_list[i]; | |
2223 | if (!device->new_device) | |
2224 | continue; | |
2225 | if (device->volume_offline) | |
2226 | continue; | |
2227 | list_add_tail(&device->scsi_device_list_entry, | |
2228 | &ctrl_info->scsi_device_list); | |
2229 | list_add_tail(&device->add_list_entry, &add_list); | |
2230 | /* To prevent this device structure from being freed later. */ | |
2231 | device->keep_device = true; | |
2232 | } | |
2233 | ||
6c223761 KB |
2234 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
2235 | ||
2790cd4d KB |
2236 | /* |
2237 | * If OFA is in progress and there are devices that need to be deleted, | |
2238 | * allow any pending reset operations to continue and unblock any SCSI | |
2239 | * requests before removal. | |
2240 | */ | |
2241 | if (pqi_ofa_in_progress(ctrl_info)) { | |
2242 | list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) | |
2243 | if (pqi_is_device_added(device)) | |
2244 | pqi_device_remove_start(device); | |
2245 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
2246 | pqi_scsi_unblock_requests(ctrl_info); | |
2247 | } | |
4fd22c13 | 2248 | |
6c223761 | 2249 | /* Remove all devices that have gone away. */ |
4d15ad38 | 2250 | list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) { |
6c223761 KB |
2251 | if (device->volume_offline) { |
2252 | pqi_dev_info(ctrl_info, "offline", device); | |
2253 | pqi_show_volume_status(ctrl_info, device); | |
4d15ad38 | 2254 | } else { |
819225b0 | 2255 | pqi_dev_info(ctrl_info, "removed", device); |
4d15ad38 | 2256 | } |
819225b0 DB |
2257 | if (pqi_is_device_added(device)) |
2258 | pqi_remove_device(ctrl_info, device); | |
2259 | list_del(&device->delete_list_entry); | |
2260 | pqi_free_device(device); | |
6c223761 KB |
2261 | } |
2262 | ||
2263 | /* | |
27655e9d MR |
2264 | * Notify the SML of any existing device changes such as; |
2265 | * queue depth, device size. | |
6c223761 | 2266 | */ |
583891c9 KB |
2267 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { |
2268 | if (device->sdev && device->queue_depth != device->advertised_queue_depth) { | |
2269 | device->advertised_queue_depth = device->queue_depth; | |
2270 | scsi_change_queue_depth(device->sdev, device->advertised_queue_depth); | |
244ca45e MR |
2271 | if (device->rescan) { |
2272 | scsi_rescan_device(&device->sdev->sdev_gendev); | |
2273 | device->rescan = false; | |
2274 | } | |
6c223761 KB |
2275 | } |
2276 | } | |
2277 | ||
2278 | /* Expose any new devices. */ | |
2279 | list_for_each_entry_safe(device, next, &add_list, add_list_entry) { | |
3d46a59a | 2280 | if (!pqi_is_device_added(device)) { |
6c223761 | 2281 | rc = pqi_add_device(ctrl_info, device); |
ce143793 KB |
2282 | if (rc == 0) { |
2283 | pqi_dev_info(ctrl_info, "added", device); | |
2284 | } else { | |
6c223761 KB |
2285 | dev_warn(&ctrl_info->pci_dev->dev, |
2286 | "scsi %d:%d:%d:%d addition failed, device not added\n", | |
2287 | ctrl_info->scsi_host->host_no, | |
2288 | device->bus, device->target, | |
2289 | device->lun); | |
2290 | pqi_fixup_botched_add(ctrl_info, device); | |
6c223761 KB |
2291 | } |
2292 | } | |
6c223761 | 2293 | } |
27655e9d MR |
2294 | |
2295 | ctrl_info->logical_volume_rescan_needed = false; | |
2296 | ||
6c223761 KB |
2297 | } |
2298 | ||
ce143793 | 2299 | static inline bool pqi_is_supported_device(struct pqi_scsi_dev *device) |
6c223761 | 2300 | { |
ce143793 KB |
2301 | /* |
2302 | * Only support the HBA controller itself as a RAID | |
2303 | * controller. If it's a RAID controller other than | |
2304 | * the HBA itself (an external RAID controller, for | |
2305 | * example), we don't support it. | |
2306 | */ | |
2307 | if (device->device_type == SA_DEVICE_TYPE_CONTROLLER && | |
2308 | !pqi_is_hba_lunid(device->scsi3addr)) | |
583891c9 | 2309 | return false; |
6c223761 | 2310 | |
ce143793 | 2311 | return true; |
6c223761 KB |
2312 | } |
2313 | ||
94086f5b | 2314 | static inline bool pqi_skip_device(u8 *scsi3addr) |
6c223761 | 2315 | { |
94086f5b KB |
2316 | /* Ignore all masked devices. */ |
2317 | if (MASKED_DEVICE(scsi3addr)) | |
6c223761 | 2318 | return true; |
6c223761 KB |
2319 | |
2320 | return false; | |
2321 | } | |
2322 | ||
522bc026 DC |
2323 | static inline void pqi_mask_device(u8 *scsi3addr) |
2324 | { | |
2325 | scsi3addr[3] |= 0xc0; | |
2326 | } | |
2327 | ||
94a68c81 MB |
2328 | static inline bool pqi_is_multipath_device(struct pqi_scsi_dev *device) |
2329 | { | |
2330 | if (pqi_is_logical_device(device)) | |
2331 | return false; | |
2332 | ||
2333 | return (device->path_map & (device->path_map - 1)) != 0; | |
2334 | } | |
2335 | ||
cd128244 DC |
2336 | static inline bool pqi_expose_device(struct pqi_scsi_dev *device) |
2337 | { | |
583891c9 | 2338 | return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); |
cd128244 DC |
2339 | } |
2340 | ||
6c223761 KB |
2341 | static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) |
2342 | { | |
2343 | int i; | |
2344 | int rc; | |
8a994a04 | 2345 | LIST_HEAD(new_device_list_head); |
28ca6d87 MM |
2346 | struct report_phys_lun_16byte_wwid_list *physdev_list = NULL; |
2347 | struct report_log_lun_list *logdev_list = NULL; | |
2348 | struct report_phys_lun_16byte_wwid *phys_lun; | |
2349 | struct report_log_lun *log_lun; | |
6c223761 KB |
2350 | struct bmic_identify_physical_device *id_phys = NULL; |
2351 | u32 num_physicals; | |
2352 | u32 num_logicals; | |
2353 | struct pqi_scsi_dev **new_device_list = NULL; | |
2354 | struct pqi_scsi_dev *device; | |
2355 | struct pqi_scsi_dev *next; | |
2356 | unsigned int num_new_devices; | |
2357 | unsigned int num_valid_devices; | |
2358 | bool is_physical_device; | |
2359 | u8 *scsi3addr; | |
5e6a9760 GW |
2360 | unsigned int physical_index; |
2361 | unsigned int logical_index; | |
6c223761 | 2362 | static char *out_of_memory_msg = |
6de783f6 | 2363 | "failed to allocate memory, device discovery stopped"; |
6c223761 | 2364 | |
6c223761 KB |
2365 | rc = pqi_get_device_lists(ctrl_info, &physdev_list, &logdev_list); |
2366 | if (rc) | |
2367 | goto out; | |
2368 | ||
2369 | if (physdev_list) | |
2370 | num_physicals = | |
2371 | get_unaligned_be32(&physdev_list->header.list_length) | |
2372 | / sizeof(physdev_list->lun_entries[0]); | |
2373 | else | |
2374 | num_physicals = 0; | |
2375 | ||
2376 | if (logdev_list) | |
2377 | num_logicals = | |
2378 | get_unaligned_be32(&logdev_list->header.list_length) | |
2379 | / sizeof(logdev_list->lun_entries[0]); | |
2380 | else | |
2381 | num_logicals = 0; | |
2382 | ||
2383 | if (num_physicals) { | |
2384 | /* | |
2385 | * We need this buffer for calls to pqi_get_physical_disk_info() | |
2386 | * below. We allocate it here instead of inside | |
2387 | * pqi_get_physical_disk_info() because it's a fairly large | |
2388 | * buffer. | |
2389 | */ | |
2390 | id_phys = kmalloc(sizeof(*id_phys), GFP_KERNEL); | |
2391 | if (!id_phys) { | |
2392 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2393 | out_of_memory_msg); | |
2394 | rc = -ENOMEM; | |
2395 | goto out; | |
2396 | } | |
522bc026 | 2397 | |
694c5d5b | 2398 | if (pqi_hide_vsep) { |
522bc026 | 2399 | for (i = num_physicals - 1; i >= 0; i--) { |
28ca6d87 MM |
2400 | phys_lun = &physdev_list->lun_entries[i]; |
2401 | if (CISS_GET_DRIVE_NUMBER(phys_lun->lunid) == PQI_VSEP_CISS_BTL) { | |
2402 | pqi_mask_device(phys_lun->lunid); | |
522bc026 DC |
2403 | break; |
2404 | } | |
2405 | } | |
2406 | } | |
6c223761 KB |
2407 | } |
2408 | ||
f6cc2a77 KB |
2409 | if (num_logicals && |
2410 | (logdev_list->header.flags & CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX)) | |
2411 | ctrl_info->lv_drive_type_mix_valid = true; | |
2412 | ||
6c223761 KB |
2413 | num_new_devices = num_physicals + num_logicals; |
2414 | ||
6da2ec56 KC |
2415 | new_device_list = kmalloc_array(num_new_devices, |
2416 | sizeof(*new_device_list), | |
2417 | GFP_KERNEL); | |
6c223761 KB |
2418 | if (!new_device_list) { |
2419 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", out_of_memory_msg); | |
2420 | rc = -ENOMEM; | |
2421 | goto out; | |
2422 | } | |
2423 | ||
2424 | for (i = 0; i < num_new_devices; i++) { | |
2425 | device = kzalloc(sizeof(*device), GFP_KERNEL); | |
2426 | if (!device) { | |
2427 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2428 | out_of_memory_msg); | |
2429 | rc = -ENOMEM; | |
2430 | goto out; | |
2431 | } | |
2432 | list_add_tail(&device->new_device_list_entry, | |
2433 | &new_device_list_head); | |
2434 | } | |
2435 | ||
2436 | device = NULL; | |
2437 | num_valid_devices = 0; | |
5e6a9760 GW |
2438 | physical_index = 0; |
2439 | logical_index = 0; | |
6c223761 KB |
2440 | |
2441 | for (i = 0; i < num_new_devices; i++) { | |
2442 | ||
5e6a9760 GW |
2443 | if ((!pqi_expose_ld_first && i < num_physicals) || |
2444 | (pqi_expose_ld_first && i >= num_logicals)) { | |
6c223761 | 2445 | is_physical_device = true; |
28ca6d87 MM |
2446 | phys_lun = &physdev_list->lun_entries[physical_index++]; |
2447 | log_lun = NULL; | |
2448 | scsi3addr = phys_lun->lunid; | |
6c223761 KB |
2449 | } else { |
2450 | is_physical_device = false; | |
28ca6d87 MM |
2451 | phys_lun = NULL; |
2452 | log_lun = &logdev_list->lun_entries[logical_index++]; | |
2453 | scsi3addr = log_lun->lunid; | |
6c223761 KB |
2454 | } |
2455 | ||
94086f5b | 2456 | if (is_physical_device && pqi_skip_device(scsi3addr)) |
6c223761 KB |
2457 | continue; |
2458 | ||
2459 | if (device) | |
2460 | device = list_next_entry(device, new_device_list_entry); | |
2461 | else | |
2462 | device = list_first_entry(&new_device_list_head, | |
2463 | struct pqi_scsi_dev, new_device_list_entry); | |
2464 | ||
2465 | memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr)); | |
2466 | device->is_physical_device = is_physical_device; | |
3d46a59a | 2467 | if (is_physical_device) { |
28ca6d87 | 2468 | device->device_type = phys_lun->device_type; |
ce143793 | 2469 | if (device->device_type == SA_DEVICE_TYPE_EXPANDER_SMP) |
3d46a59a DB |
2470 | device->is_expander_smp_device = true; |
2471 | } else { | |
bd10cf0b KB |
2472 | device->is_external_raid_device = |
2473 | pqi_is_external_raid_addr(scsi3addr); | |
3d46a59a | 2474 | } |
6c223761 | 2475 | |
ce143793 KB |
2476 | if (!pqi_is_supported_device(device)) |
2477 | continue; | |
2478 | ||
be76f906 DB |
2479 | /* Do not present disks that the OS cannot fully probe */ |
2480 | if (pqi_keep_device_offline(ctrl_info, device)) | |
2481 | continue; | |
2482 | ||
6c223761 | 2483 | /* Gather information about the device. */ |
ce143793 | 2484 | rc = pqi_get_device_info(ctrl_info, device, id_phys); |
6c223761 KB |
2485 | if (rc == -ENOMEM) { |
2486 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2487 | out_of_memory_msg); | |
2488 | goto out; | |
2489 | } | |
2490 | if (rc) { | |
6de783f6 KB |
2491 | if (device->is_physical_device) |
2492 | dev_warn(&ctrl_info->pci_dev->dev, | |
28ca6d87 MM |
2493 | "obtaining device info failed, skipping physical device %016llx%016llx\n", |
2494 | get_unaligned_be64(&phys_lun->wwid[0]), | |
2495 | get_unaligned_be64(&phys_lun->wwid[8])); | |
6de783f6 KB |
2496 | else |
2497 | dev_warn(&ctrl_info->pci_dev->dev, | |
2498 | "obtaining device info failed, skipping logical device %08x%08x\n", | |
2499 | *((u32 *)&device->scsi3addr), | |
2500 | *((u32 *)&device->scsi3addr[4])); | |
6c223761 KB |
2501 | rc = 0; |
2502 | continue; | |
2503 | } | |
2504 | ||
6c223761 KB |
2505 | pqi_assign_bus_target_lun(device); |
2506 | ||
6c223761 | 2507 | if (device->is_physical_device) { |
00598b05 | 2508 | memcpy(device->wwid, phys_lun->wwid, sizeof(device->wwid)); |
28ca6d87 | 2509 | if ((phys_lun->device_flags & |
694c5d5b | 2510 | CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED) && |
28ca6d87 | 2511 | phys_lun->aio_handle) { |
583891c9 KB |
2512 | device->aio_enabled = true; |
2513 | device->aio_handle = | |
28ca6d87 | 2514 | phys_lun->aio_handle; |
3d46a59a | 2515 | } |
6c223761 | 2516 | } else { |
28ca6d87 | 2517 | memcpy(device->volume_id, log_lun->volume_id, |
6c223761 KB |
2518 | sizeof(device->volume_id)); |
2519 | } | |
2520 | ||
291c2e00 | 2521 | device->sas_address = get_unaligned_be64(&device->wwid[0]); |
6c223761 KB |
2522 | |
2523 | new_device_list[num_valid_devices++] = device; | |
2524 | } | |
2525 | ||
2526 | pqi_update_device_list(ctrl_info, new_device_list, num_valid_devices); | |
2527 | ||
2528 | out: | |
2529 | list_for_each_entry_safe(device, next, &new_device_list_head, | |
2530 | new_device_list_entry) { | |
2531 | if (device->keep_device) | |
2532 | continue; | |
2533 | list_del(&device->new_device_list_entry); | |
2534 | pqi_free_device(device); | |
2535 | } | |
2536 | ||
2537 | kfree(new_device_list); | |
2538 | kfree(physdev_list); | |
2539 | kfree(logdev_list); | |
2540 | kfree(id_phys); | |
2541 | ||
2542 | return rc; | |
2543 | } | |
2544 | ||
6c223761 KB |
2545 | static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) |
2546 | { | |
66f1c2b4 KB |
2547 | int rc; |
2548 | int mutex_acquired; | |
6c223761 KB |
2549 | |
2550 | if (pqi_ctrl_offline(ctrl_info)) | |
2551 | return -ENXIO; | |
2552 | ||
66f1c2b4 KB |
2553 | mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); |
2554 | ||
2555 | if (!mutex_acquired) { | |
2556 | if (pqi_ctrl_scan_blocked(ctrl_info)) | |
2557 | return -EBUSY; | |
5f310425 | 2558 | pqi_schedule_rescan_worker_delayed(ctrl_info); |
66f1c2b4 | 2559 | return -EINPROGRESS; |
530dd8a7 | 2560 | } |
6c223761 | 2561 | |
66f1c2b4 KB |
2562 | rc = pqi_update_scsi_devices(ctrl_info); |
2563 | if (rc && !pqi_ctrl_scan_blocked(ctrl_info)) | |
2564 | pqi_schedule_rescan_worker_delayed(ctrl_info); | |
2565 | ||
2566 | mutex_unlock(&ctrl_info->scan_mutex); | |
2567 | ||
6c223761 KB |
2568 | return rc; |
2569 | } | |
2570 | ||
2571 | static void pqi_scan_start(struct Scsi_Host *shost) | |
2572 | { | |
4fd22c13 MR |
2573 | struct pqi_ctrl_info *ctrl_info; |
2574 | ||
2575 | ctrl_info = shost_to_hba(shost); | |
4fd22c13 MR |
2576 | |
2577 | pqi_scan_scsi_devices(ctrl_info); | |
6c223761 KB |
2578 | } |
2579 | ||
2580 | /* Returns TRUE if scan is finished. */ | |
2581 | ||
2582 | static int pqi_scan_finished(struct Scsi_Host *shost, | |
2583 | unsigned long elapsed_time) | |
2584 | { | |
2585 | struct pqi_ctrl_info *ctrl_info; | |
2586 | ||
2587 | ctrl_info = shost_priv(shost); | |
2588 | ||
2589 | return !mutex_is_locked(&ctrl_info->scan_mutex); | |
2590 | } | |
2591 | ||
583891c9 KB |
2592 | static inline void pqi_set_encryption_info(struct pqi_encryption_info *encryption_info, |
2593 | struct raid_map *raid_map, u64 first_block) | |
6c223761 KB |
2594 | { |
2595 | u32 volume_blk_size; | |
2596 | ||
2597 | /* | |
2598 | * Set the encryption tweak values based on logical block address. | |
2599 | * If the block size is 512, the tweak value is equal to the LBA. | |
2600 | * For other block sizes, tweak value is (LBA * block size) / 512. | |
2601 | */ | |
2602 | volume_blk_size = get_unaligned_le32(&raid_map->volume_blk_size); | |
2603 | if (volume_blk_size != 512) | |
2604 | first_block = (first_block * volume_blk_size) / 512; | |
2605 | ||
2606 | encryption_info->data_encryption_key_index = | |
2607 | get_unaligned_le16(&raid_map->data_encryption_key_index); | |
2608 | encryption_info->encrypt_tweak_lower = lower_32_bits(first_block); | |
2609 | encryption_info->encrypt_tweak_upper = upper_32_bits(first_block); | |
2610 | } | |
2611 | ||
2612 | /* | |
588a63fe | 2613 | * Attempt to perform RAID bypass mapping for a logical volume I/O. |
6c223761 KB |
2614 | */ |
2615 | ||
6702d2c4 DB |
2616 | static bool pqi_aio_raid_level_supported(struct pqi_ctrl_info *ctrl_info, |
2617 | struct pqi_scsi_dev_raid_map_data *rmd) | |
281a817f DB |
2618 | { |
2619 | bool is_supported = true; | |
2620 | ||
2621 | switch (rmd->raid_level) { | |
2622 | case SA_RAID_0: | |
2623 | break; | |
2624 | case SA_RAID_1: | |
f6cc2a77 KB |
2625 | if (rmd->is_write && (!ctrl_info->enable_r1_writes || |
2626 | rmd->data_length > ctrl_info->max_write_raid_1_10_2drive)) | |
2627 | is_supported = false; | |
2628 | break; | |
7a012c23 | 2629 | case SA_RAID_TRIPLE: |
f6cc2a77 KB |
2630 | if (rmd->is_write && (!ctrl_info->enable_r1_writes || |
2631 | rmd->data_length > ctrl_info->max_write_raid_1_10_3drive)) | |
281a817f DB |
2632 | is_supported = false; |
2633 | break; | |
2634 | case SA_RAID_5: | |
f6cc2a77 KB |
2635 | if (rmd->is_write && (!ctrl_info->enable_r5_writes || |
2636 | rmd->data_length > ctrl_info->max_write_raid_5_6)) | |
6702d2c4 DB |
2637 | is_supported = false; |
2638 | break; | |
281a817f | 2639 | case SA_RAID_6: |
f6cc2a77 KB |
2640 | if (rmd->is_write && (!ctrl_info->enable_r6_writes || |
2641 | rmd->data_length > ctrl_info->max_write_raid_5_6)) | |
281a817f DB |
2642 | is_supported = false; |
2643 | break; | |
281a817f DB |
2644 | default: |
2645 | is_supported = false; | |
f6cc2a77 | 2646 | break; |
281a817f DB |
2647 | } |
2648 | ||
2649 | return is_supported; | |
2650 | } | |
2651 | ||
6c223761 KB |
2652 | #define PQI_RAID_BYPASS_INELIGIBLE 1 |
2653 | ||
281a817f | 2654 | static int pqi_get_aio_lba_and_block_count(struct scsi_cmnd *scmd, |
583891c9 | 2655 | struct pqi_scsi_dev_raid_map_data *rmd) |
6c223761 | 2656 | { |
6c223761 KB |
2657 | /* Check for valid opcode, get LBA and block count. */ |
2658 | switch (scmd->cmnd[0]) { | |
2659 | case WRITE_6: | |
281a817f | 2660 | rmd->is_write = true; |
df561f66 | 2661 | fallthrough; |
6c223761 | 2662 | case READ_6: |
281a817f | 2663 | rmd->first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) | |
e018ef57 | 2664 | (scmd->cmnd[2] << 8) | scmd->cmnd[3]); |
281a817f DB |
2665 | rmd->block_cnt = (u32)scmd->cmnd[4]; |
2666 | if (rmd->block_cnt == 0) | |
2667 | rmd->block_cnt = 256; | |
6c223761 KB |
2668 | break; |
2669 | case WRITE_10: | |
281a817f | 2670 | rmd->is_write = true; |
df561f66 | 2671 | fallthrough; |
6c223761 | 2672 | case READ_10: |
281a817f DB |
2673 | rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); |
2674 | rmd->block_cnt = (u32)get_unaligned_be16(&scmd->cmnd[7]); | |
6c223761 KB |
2675 | break; |
2676 | case WRITE_12: | |
281a817f | 2677 | rmd->is_write = true; |
df561f66 | 2678 | fallthrough; |
6c223761 | 2679 | case READ_12: |
281a817f DB |
2680 | rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); |
2681 | rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[6]); | |
6c223761 KB |
2682 | break; |
2683 | case WRITE_16: | |
281a817f | 2684 | rmd->is_write = true; |
df561f66 | 2685 | fallthrough; |
6c223761 | 2686 | case READ_16: |
281a817f DB |
2687 | rmd->first_block = get_unaligned_be64(&scmd->cmnd[2]); |
2688 | rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[10]); | |
6c223761 KB |
2689 | break; |
2690 | default: | |
2691 | /* Process via normal I/O path. */ | |
2692 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2693 | } | |
2694 | ||
281a817f | 2695 | put_unaligned_le32(scsi_bufflen(scmd), &rmd->data_length); |
6c223761 | 2696 | |
281a817f DB |
2697 | return 0; |
2698 | } | |
6c223761 | 2699 | |
281a817f | 2700 | static int pci_get_aio_common_raid_map_values(struct pqi_ctrl_info *ctrl_info, |
583891c9 | 2701 | struct pqi_scsi_dev_raid_map_data *rmd, struct raid_map *raid_map) |
281a817f DB |
2702 | { |
2703 | #if BITS_PER_LONG == 32 | |
2704 | u64 tmpdiv; | |
2705 | #endif | |
2706 | ||
2707 | rmd->last_block = rmd->first_block + rmd->block_cnt - 1; | |
6c223761 KB |
2708 | |
2709 | /* Check for invalid block or wraparound. */ | |
281a817f DB |
2710 | if (rmd->last_block >= |
2711 | get_unaligned_le64(&raid_map->volume_blk_cnt) || | |
2712 | rmd->last_block < rmd->first_block) | |
6c223761 KB |
2713 | return PQI_RAID_BYPASS_INELIGIBLE; |
2714 | ||
281a817f | 2715 | rmd->data_disks_per_row = |
583891c9 | 2716 | get_unaligned_le16(&raid_map->data_disks_per_row); |
281a817f DB |
2717 | rmd->strip_size = get_unaligned_le16(&raid_map->strip_size); |
2718 | rmd->layout_map_count = get_unaligned_le16(&raid_map->layout_map_count); | |
6c223761 KB |
2719 | |
2720 | /* Calculate stripe information for the request. */ | |
281a817f | 2721 | rmd->blocks_per_row = rmd->data_disks_per_row * rmd->strip_size; |
667298ce DB |
2722 | if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ |
2723 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2724 | #if BITS_PER_LONG == 32 |
281a817f DB |
2725 | tmpdiv = rmd->first_block; |
2726 | do_div(tmpdiv, rmd->blocks_per_row); | |
2727 | rmd->first_row = tmpdiv; | |
2728 | tmpdiv = rmd->last_block; | |
2729 | do_div(tmpdiv, rmd->blocks_per_row); | |
2730 | rmd->last_row = tmpdiv; | |
2731 | rmd->first_row_offset = (u32)(rmd->first_block - (rmd->first_row * rmd->blocks_per_row)); | |
2732 | rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * rmd->blocks_per_row)); | |
2733 | tmpdiv = rmd->first_row_offset; | |
2734 | do_div(tmpdiv, rmd->strip_size); | |
2735 | rmd->first_column = tmpdiv; | |
2736 | tmpdiv = rmd->last_row_offset; | |
2737 | do_div(tmpdiv, rmd->strip_size); | |
2738 | rmd->last_column = tmpdiv; | |
6c223761 | 2739 | #else |
281a817f DB |
2740 | rmd->first_row = rmd->first_block / rmd->blocks_per_row; |
2741 | rmd->last_row = rmd->last_block / rmd->blocks_per_row; | |
2742 | rmd->first_row_offset = (u32)(rmd->first_block - | |
583891c9 | 2743 | (rmd->first_row * rmd->blocks_per_row)); |
281a817f | 2744 | rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * |
583891c9 | 2745 | rmd->blocks_per_row)); |
281a817f DB |
2746 | rmd->first_column = rmd->first_row_offset / rmd->strip_size; |
2747 | rmd->last_column = rmd->last_row_offset / rmd->strip_size; | |
6c223761 KB |
2748 | #endif |
2749 | ||
2750 | /* If this isn't a single row/column then give to the controller. */ | |
281a817f | 2751 | if (rmd->first_row != rmd->last_row || |
583891c9 | 2752 | rmd->first_column != rmd->last_column) |
6c223761 KB |
2753 | return PQI_RAID_BYPASS_INELIGIBLE; |
2754 | ||
2755 | /* Proceeding with driver mapping. */ | |
281a817f | 2756 | rmd->total_disks_per_row = rmd->data_disks_per_row + |
6c223761 | 2757 | get_unaligned_le16(&raid_map->metadata_disks_per_row); |
281a817f DB |
2758 | rmd->map_row = ((u32)(rmd->first_row >> |
2759 | raid_map->parity_rotation_shift)) % | |
6c223761 | 2760 | get_unaligned_le16(&raid_map->row_cnt); |
281a817f | 2761 | rmd->map_index = (rmd->map_row * rmd->total_disks_per_row) + |
583891c9 | 2762 | rmd->first_column; |
6c223761 | 2763 | |
281a817f DB |
2764 | return 0; |
2765 | } | |
6c223761 | 2766 | |
281a817f | 2767 | static int pqi_calc_aio_r5_or_r6(struct pqi_scsi_dev_raid_map_data *rmd, |
583891c9 | 2768 | struct raid_map *raid_map) |
281a817f | 2769 | { |
6c223761 | 2770 | #if BITS_PER_LONG == 32 |
281a817f | 2771 | u64 tmpdiv; |
6c223761 | 2772 | #endif |
6c223761 | 2773 | |
667298ce DB |
2774 | if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ |
2775 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2776 | ||
281a817f | 2777 | /* RAID 50/60 */ |
583891c9 | 2778 | /* Verify first and last block are in same RAID group. */ |
281a817f | 2779 | rmd->stripesize = rmd->blocks_per_row * rmd->layout_map_count; |
6c223761 | 2780 | #if BITS_PER_LONG == 32 |
281a817f DB |
2781 | tmpdiv = rmd->first_block; |
2782 | rmd->first_group = do_div(tmpdiv, rmd->stripesize); | |
2783 | tmpdiv = rmd->first_group; | |
2784 | do_div(tmpdiv, rmd->blocks_per_row); | |
2785 | rmd->first_group = tmpdiv; | |
2786 | tmpdiv = rmd->last_block; | |
2787 | rmd->last_group = do_div(tmpdiv, rmd->stripesize); | |
2788 | tmpdiv = rmd->last_group; | |
2789 | do_div(tmpdiv, rmd->blocks_per_row); | |
2790 | rmd->last_group = tmpdiv; | |
6c223761 | 2791 | #else |
281a817f DB |
2792 | rmd->first_group = (rmd->first_block % rmd->stripesize) / rmd->blocks_per_row; |
2793 | rmd->last_group = (rmd->last_block % rmd->stripesize) / rmd->blocks_per_row; | |
6c223761 | 2794 | #endif |
281a817f DB |
2795 | if (rmd->first_group != rmd->last_group) |
2796 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2797 | |
583891c9 | 2798 | /* Verify request is in a single row of RAID 5/6. */ |
6c223761 | 2799 | #if BITS_PER_LONG == 32 |
281a817f DB |
2800 | tmpdiv = rmd->first_block; |
2801 | do_div(tmpdiv, rmd->stripesize); | |
2802 | rmd->first_row = tmpdiv; | |
2803 | rmd->r5or6_first_row = tmpdiv; | |
2804 | tmpdiv = rmd->last_block; | |
2805 | do_div(tmpdiv, rmd->stripesize); | |
2806 | rmd->r5or6_last_row = tmpdiv; | |
6c223761 | 2807 | #else |
281a817f DB |
2808 | rmd->first_row = rmd->r5or6_first_row = |
2809 | rmd->first_block / rmd->stripesize; | |
2810 | rmd->r5or6_last_row = rmd->last_block / rmd->stripesize; | |
6c223761 | 2811 | #endif |
281a817f DB |
2812 | if (rmd->r5or6_first_row != rmd->r5or6_last_row) |
2813 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2814 | |
583891c9 | 2815 | /* Verify request is in a single column. */ |
6c223761 | 2816 | #if BITS_PER_LONG == 32 |
281a817f DB |
2817 | tmpdiv = rmd->first_block; |
2818 | rmd->first_row_offset = do_div(tmpdiv, rmd->stripesize); | |
2819 | tmpdiv = rmd->first_row_offset; | |
2820 | rmd->first_row_offset = (u32)do_div(tmpdiv, rmd->blocks_per_row); | |
2821 | rmd->r5or6_first_row_offset = rmd->first_row_offset; | |
2822 | tmpdiv = rmd->last_block; | |
2823 | rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->stripesize); | |
2824 | tmpdiv = rmd->r5or6_last_row_offset; | |
2825 | rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->blocks_per_row); | |
2826 | tmpdiv = rmd->r5or6_first_row_offset; | |
2827 | do_div(tmpdiv, rmd->strip_size); | |
2828 | rmd->first_column = rmd->r5or6_first_column = tmpdiv; | |
2829 | tmpdiv = rmd->r5or6_last_row_offset; | |
2830 | do_div(tmpdiv, rmd->strip_size); | |
2831 | rmd->r5or6_last_column = tmpdiv; | |
6c223761 | 2832 | #else |
281a817f | 2833 | rmd->first_row_offset = rmd->r5or6_first_row_offset = |
583891c9 KB |
2834 | (u32)((rmd->first_block % rmd->stripesize) % |
2835 | rmd->blocks_per_row); | |
281a817f DB |
2836 | |
2837 | rmd->r5or6_last_row_offset = | |
2838 | (u32)((rmd->last_block % rmd->stripesize) % | |
2839 | rmd->blocks_per_row); | |
2840 | ||
2841 | rmd->first_column = | |
583891c9 | 2842 | rmd->r5or6_first_row_offset / rmd->strip_size; |
281a817f DB |
2843 | rmd->r5or6_first_column = rmd->first_column; |
2844 | rmd->r5or6_last_column = rmd->r5or6_last_row_offset / rmd->strip_size; | |
2845 | #endif | |
2846 | if (rmd->r5or6_first_column != rmd->r5or6_last_column) | |
2847 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2848 | ||
583891c9 | 2849 | /* Request is eligible. */ |
281a817f DB |
2850 | rmd->map_row = |
2851 | ((u32)(rmd->first_row >> raid_map->parity_rotation_shift)) % | |
2852 | get_unaligned_le16(&raid_map->row_cnt); | |
6c223761 | 2853 | |
281a817f DB |
2854 | rmd->map_index = (rmd->first_group * |
2855 | (get_unaligned_le16(&raid_map->row_cnt) * | |
2856 | rmd->total_disks_per_row)) + | |
2857 | (rmd->map_row * rmd->total_disks_per_row) + rmd->first_column; | |
6c223761 | 2858 | |
6702d2c4 DB |
2859 | if (rmd->is_write) { |
2860 | u32 index; | |
6c223761 | 2861 | |
6702d2c4 DB |
2862 | /* |
2863 | * p_parity_it_nexus and q_parity_it_nexus are pointers to the | |
2864 | * parity entries inside the device's raid_map. | |
2865 | * | |
2866 | * A device's RAID map is bounded by: number of RAID disks squared. | |
2867 | * | |
2868 | * The devices RAID map size is checked during device | |
2869 | * initialization. | |
2870 | */ | |
2871 | index = DIV_ROUND_UP(rmd->map_index + 1, rmd->total_disks_per_row); | |
2872 | index *= rmd->total_disks_per_row; | |
2873 | index -= get_unaligned_le16(&raid_map->metadata_disks_per_row); | |
2874 | ||
2875 | rmd->p_parity_it_nexus = raid_map->disk_data[index].aio_handle; | |
2876 | if (rmd->raid_level == SA_RAID_6) { | |
2877 | rmd->q_parity_it_nexus = raid_map->disk_data[index + 1].aio_handle; | |
2878 | rmd->xor_mult = raid_map->disk_data[rmd->map_index].xor_mult[1]; | |
2879 | } | |
6702d2c4 DB |
2880 | #if BITS_PER_LONG == 32 |
2881 | tmpdiv = rmd->first_block; | |
2882 | do_div(tmpdiv, rmd->blocks_per_row); | |
2883 | rmd->row = tmpdiv; | |
2884 | #else | |
2885 | rmd->row = rmd->first_block / rmd->blocks_per_row; | |
6c223761 | 2886 | #endif |
6702d2c4 DB |
2887 | } |
2888 | ||
281a817f DB |
2889 | return 0; |
2890 | } | |
2891 | ||
2892 | static void pqi_set_aio_cdb(struct pqi_scsi_dev_raid_map_data *rmd) | |
2893 | { | |
2894 | /* Build the new CDB for the physical disk I/O. */ | |
2895 | if (rmd->disk_block > 0xffffffff) { | |
2896 | rmd->cdb[0] = rmd->is_write ? WRITE_16 : READ_16; | |
2897 | rmd->cdb[1] = 0; | |
2898 | put_unaligned_be64(rmd->disk_block, &rmd->cdb[2]); | |
2899 | put_unaligned_be32(rmd->disk_block_cnt, &rmd->cdb[10]); | |
2900 | rmd->cdb[14] = 0; | |
2901 | rmd->cdb[15] = 0; | |
2902 | rmd->cdb_length = 16; | |
2903 | } else { | |
2904 | rmd->cdb[0] = rmd->is_write ? WRITE_10 : READ_10; | |
2905 | rmd->cdb[1] = 0; | |
2906 | put_unaligned_be32((u32)rmd->disk_block, &rmd->cdb[2]); | |
2907 | rmd->cdb[6] = 0; | |
2908 | put_unaligned_be16((u16)rmd->disk_block_cnt, &rmd->cdb[7]); | |
2909 | rmd->cdb[9] = 0; | |
2910 | rmd->cdb_length = 10; | |
2911 | } | |
2912 | } | |
2913 | ||
7a012c23 | 2914 | static void pqi_calc_aio_r1_nexus(struct raid_map *raid_map, |
583891c9 | 2915 | struct pqi_scsi_dev_raid_map_data *rmd) |
7a012c23 DB |
2916 | { |
2917 | u32 index; | |
2918 | u32 group; | |
2919 | ||
2920 | group = rmd->map_index / rmd->data_disks_per_row; | |
2921 | ||
2922 | index = rmd->map_index - (group * rmd->data_disks_per_row); | |
2923 | rmd->it_nexus[0] = raid_map->disk_data[index].aio_handle; | |
2924 | index += rmd->data_disks_per_row; | |
2925 | rmd->it_nexus[1] = raid_map->disk_data[index].aio_handle; | |
2926 | if (rmd->layout_map_count > 2) { | |
2927 | index += rmd->data_disks_per_row; | |
2928 | rmd->it_nexus[2] = raid_map->disk_data[index].aio_handle; | |
2929 | } | |
2930 | ||
2931 | rmd->num_it_nexus_entries = rmd->layout_map_count; | |
2932 | } | |
2933 | ||
281a817f DB |
2934 | static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
2935 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
2936 | struct pqi_queue_group *queue_group) | |
2937 | { | |
281a817f | 2938 | int rc; |
7a012c23 DB |
2939 | struct raid_map *raid_map; |
2940 | u32 group; | |
2941 | u32 next_bypass_group; | |
281a817f DB |
2942 | struct pqi_encryption_info *encryption_info_ptr; |
2943 | struct pqi_encryption_info encryption_info; | |
583891c9 | 2944 | struct pqi_scsi_dev_raid_map_data rmd = { 0 }; |
281a817f DB |
2945 | |
2946 | rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); | |
2947 | if (rc) | |
2948 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2949 | ||
2950 | rmd.raid_level = device->raid_level; | |
6c223761 | 2951 | |
6702d2c4 | 2952 | if (!pqi_aio_raid_level_supported(ctrl_info, &rmd)) |
281a817f DB |
2953 | return PQI_RAID_BYPASS_INELIGIBLE; |
2954 | ||
2955 | if (unlikely(rmd.block_cnt == 0)) | |
2956 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2957 | ||
2958 | raid_map = device->raid_map; | |
6c223761 | 2959 | |
281a817f DB |
2960 | rc = pci_get_aio_common_raid_map_values(ctrl_info, &rmd, raid_map); |
2961 | if (rc) | |
2962 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2963 | |
7a012c23 DB |
2964 | if (device->raid_level == SA_RAID_1 || |
2965 | device->raid_level == SA_RAID_TRIPLE) { | |
2966 | if (rmd.is_write) { | |
2967 | pqi_calc_aio_r1_nexus(raid_map, &rmd); | |
2968 | } else { | |
5d8fbce0 | 2969 | group = device->next_bypass_group[rmd.map_index]; |
7a012c23 DB |
2970 | next_bypass_group = group + 1; |
2971 | if (next_bypass_group >= rmd.layout_map_count) | |
2972 | next_bypass_group = 0; | |
5d8fbce0 | 2973 | device->next_bypass_group[rmd.map_index] = next_bypass_group; |
7a012c23 DB |
2974 | rmd.map_index += group * rmd.data_disks_per_row; |
2975 | } | |
281a817f | 2976 | } else if ((device->raid_level == SA_RAID_5 || |
6702d2c4 DB |
2977 | device->raid_level == SA_RAID_6) && |
2978 | (rmd.layout_map_count > 1 || rmd.is_write)) { | |
281a817f DB |
2979 | rc = pqi_calc_aio_r5_or_r6(&rmd, raid_map); |
2980 | if (rc) | |
2981 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 KB |
2982 | } |
2983 | ||
281a817f DB |
2984 | if (unlikely(rmd.map_index >= RAID_MAP_MAX_ENTRIES)) |
2985 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2986 | ||
2987 | rmd.aio_handle = raid_map->disk_data[rmd.map_index].aio_handle; | |
2988 | rmd.disk_block = get_unaligned_le64(&raid_map->disk_starting_blk) + | |
2989 | rmd.first_row * rmd.strip_size + | |
2990 | (rmd.first_row_offset - rmd.first_column * rmd.strip_size); | |
2991 | rmd.disk_block_cnt = rmd.block_cnt; | |
6c223761 KB |
2992 | |
2993 | /* Handle differing logical/physical block sizes. */ | |
2994 | if (raid_map->phys_blk_shift) { | |
281a817f DB |
2995 | rmd.disk_block <<= raid_map->phys_blk_shift; |
2996 | rmd.disk_block_cnt <<= raid_map->phys_blk_shift; | |
6c223761 KB |
2997 | } |
2998 | ||
281a817f | 2999 | if (unlikely(rmd.disk_block_cnt > 0xffff)) |
6c223761 KB |
3000 | return PQI_RAID_BYPASS_INELIGIBLE; |
3001 | ||
281a817f | 3002 | pqi_set_aio_cdb(&rmd); |
6c223761 | 3003 | |
583891c9 | 3004 | if (get_unaligned_le16(&raid_map->flags) & RAID_MAP_ENCRYPTION_ENABLED) { |
f6cc2a77 KB |
3005 | if (rmd.data_length > device->max_transfer_encrypted) |
3006 | return PQI_RAID_BYPASS_INELIGIBLE; | |
583891c9 | 3007 | pqi_set_encryption_info(&encryption_info, raid_map, rmd.first_block); |
6c223761 KB |
3008 | encryption_info_ptr = &encryption_info; |
3009 | } else { | |
3010 | encryption_info_ptr = NULL; | |
3011 | } | |
3012 | ||
6702d2c4 DB |
3013 | if (rmd.is_write) { |
3014 | switch (device->raid_level) { | |
7a012c23 DB |
3015 | case SA_RAID_1: |
3016 | case SA_RAID_TRIPLE: | |
3017 | return pqi_aio_submit_r1_write_io(ctrl_info, scmd, queue_group, | |
3018 | encryption_info_ptr, device, &rmd); | |
6702d2c4 DB |
3019 | case SA_RAID_5: |
3020 | case SA_RAID_6: | |
3021 | return pqi_aio_submit_r56_write_io(ctrl_info, scmd, queue_group, | |
583891c9 | 3022 | encryption_info_ptr, device, &rmd); |
6702d2c4 | 3023 | } |
6702d2c4 DB |
3024 | } |
3025 | ||
f6cc2a77 KB |
3026 | return pqi_aio_submit_io(ctrl_info, scmd, rmd.aio_handle, |
3027 | rmd.cdb, rmd.cdb_length, queue_group, | |
2a47834d | 3028 | encryption_info_ptr, true, false); |
6c223761 KB |
3029 | } |
3030 | ||
3031 | #define PQI_STATUS_IDLE 0x0 | |
3032 | ||
3033 | #define PQI_CREATE_ADMIN_QUEUE_PAIR 1 | |
3034 | #define PQI_DELETE_ADMIN_QUEUE_PAIR 2 | |
3035 | ||
3036 | #define PQI_DEVICE_STATE_POWER_ON_AND_RESET 0x0 | |
3037 | #define PQI_DEVICE_STATE_STATUS_AVAILABLE 0x1 | |
3038 | #define PQI_DEVICE_STATE_ALL_REGISTERS_READY 0x2 | |
3039 | #define PQI_DEVICE_STATE_ADMIN_QUEUE_PAIR_READY 0x3 | |
3040 | #define PQI_DEVICE_STATE_ERROR 0x4 | |
3041 | ||
3042 | #define PQI_MODE_READY_TIMEOUT_SECS 30 | |
3043 | #define PQI_MODE_READY_POLL_INTERVAL_MSECS 1 | |
3044 | ||
3045 | static int pqi_wait_for_pqi_mode_ready(struct pqi_ctrl_info *ctrl_info) | |
3046 | { | |
3047 | struct pqi_device_registers __iomem *pqi_registers; | |
3048 | unsigned long timeout; | |
3049 | u64 signature; | |
3050 | u8 status; | |
3051 | ||
3052 | pqi_registers = ctrl_info->pqi_registers; | |
42dc0426 | 3053 | timeout = (PQI_MODE_READY_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 KB |
3054 | |
3055 | while (1) { | |
3056 | signature = readq(&pqi_registers->signature); | |
3057 | if (memcmp(&signature, PQI_DEVICE_SIGNATURE, | |
3058 | sizeof(signature)) == 0) | |
3059 | break; | |
3060 | if (time_after(jiffies, timeout)) { | |
3061 | dev_err(&ctrl_info->pci_dev->dev, | |
3062 | "timed out waiting for PQI signature\n"); | |
3063 | return -ETIMEDOUT; | |
3064 | } | |
3065 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3066 | } | |
3067 | ||
3068 | while (1) { | |
3069 | status = readb(&pqi_registers->function_and_status_code); | |
3070 | if (status == PQI_STATUS_IDLE) | |
3071 | break; | |
3072 | if (time_after(jiffies, timeout)) { | |
3073 | dev_err(&ctrl_info->pci_dev->dev, | |
3074 | "timed out waiting for PQI IDLE\n"); | |
3075 | return -ETIMEDOUT; | |
3076 | } | |
3077 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3078 | } | |
3079 | ||
3080 | while (1) { | |
3081 | if (readl(&pqi_registers->device_status) == | |
3082 | PQI_DEVICE_STATE_ALL_REGISTERS_READY) | |
3083 | break; | |
3084 | if (time_after(jiffies, timeout)) { | |
3085 | dev_err(&ctrl_info->pci_dev->dev, | |
3086 | "timed out waiting for PQI all registers ready\n"); | |
3087 | return -ETIMEDOUT; | |
3088 | } | |
3089 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3090 | } | |
3091 | ||
3092 | return 0; | |
3093 | } | |
3094 | ||
3095 | static inline void pqi_aio_path_disabled(struct pqi_io_request *io_request) | |
3096 | { | |
3097 | struct pqi_scsi_dev *device; | |
3098 | ||
3099 | device = io_request->scmd->device->hostdata; | |
588a63fe | 3100 | device->raid_bypass_enabled = false; |
376fb880 | 3101 | device->aio_enabled = false; |
6c223761 KB |
3102 | } |
3103 | ||
d87d5474 | 3104 | static inline void pqi_take_device_offline(struct scsi_device *sdev, char *path) |
6c223761 KB |
3105 | { |
3106 | struct pqi_ctrl_info *ctrl_info; | |
e58081a7 | 3107 | struct pqi_scsi_dev *device; |
6c223761 | 3108 | |
03b288cf KB |
3109 | device = sdev->hostdata; |
3110 | if (device->device_offline) | |
3111 | return; | |
3112 | ||
3113 | device->device_offline = true; | |
03b288cf KB |
3114 | ctrl_info = shost_to_hba(sdev->host); |
3115 | pqi_schedule_rescan_worker(ctrl_info); | |
a9a68101 | 3116 | dev_err(&ctrl_info->pci_dev->dev, "re-scanning %s scsi %d:%d:%d:%d\n", |
03b288cf KB |
3117 | path, ctrl_info->scsi_host->host_no, device->bus, |
3118 | device->target, device->lun); | |
6c223761 KB |
3119 | } |
3120 | ||
3121 | static void pqi_process_raid_io_error(struct pqi_io_request *io_request) | |
3122 | { | |
3123 | u8 scsi_status; | |
3124 | u8 host_byte; | |
3125 | struct scsi_cmnd *scmd; | |
3126 | struct pqi_raid_error_info *error_info; | |
3127 | size_t sense_data_length; | |
3128 | int residual_count; | |
3129 | int xfer_count; | |
3130 | struct scsi_sense_hdr sshdr; | |
3131 | ||
3132 | scmd = io_request->scmd; | |
3133 | if (!scmd) | |
3134 | return; | |
3135 | ||
3136 | error_info = io_request->error_info; | |
3137 | scsi_status = error_info->status; | |
3138 | host_byte = DID_OK; | |
3139 | ||
f5b63206 KB |
3140 | switch (error_info->data_out_result) { |
3141 | case PQI_DATA_IN_OUT_GOOD: | |
3142 | break; | |
3143 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
6c223761 KB |
3144 | xfer_count = |
3145 | get_unaligned_le32(&error_info->data_out_transferred); | |
3146 | residual_count = scsi_bufflen(scmd) - xfer_count; | |
3147 | scsi_set_resid(scmd, residual_count); | |
3148 | if (xfer_count < scmd->underflow) | |
3149 | host_byte = DID_SOFT_ERROR; | |
f5b63206 KB |
3150 | break; |
3151 | case PQI_DATA_IN_OUT_UNSOLICITED_ABORT: | |
3152 | case PQI_DATA_IN_OUT_ABORTED: | |
3153 | host_byte = DID_ABORT; | |
3154 | break; | |
3155 | case PQI_DATA_IN_OUT_TIMEOUT: | |
3156 | host_byte = DID_TIME_OUT; | |
3157 | break; | |
3158 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW: | |
3159 | case PQI_DATA_IN_OUT_PROTOCOL_ERROR: | |
3160 | case PQI_DATA_IN_OUT_BUFFER_ERROR: | |
3161 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA: | |
3162 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE: | |
3163 | case PQI_DATA_IN_OUT_ERROR: | |
3164 | case PQI_DATA_IN_OUT_HARDWARE_ERROR: | |
3165 | case PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR: | |
3166 | case PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT: | |
3167 | case PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED: | |
3168 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED: | |
3169 | case PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED: | |
3170 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST: | |
3171 | case PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION: | |
3172 | case PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED: | |
3173 | case PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ: | |
3174 | default: | |
3175 | host_byte = DID_ERROR; | |
3176 | break; | |
6c223761 KB |
3177 | } |
3178 | ||
3179 | sense_data_length = get_unaligned_le16(&error_info->sense_data_length); | |
3180 | if (sense_data_length == 0) | |
3181 | sense_data_length = | |
3182 | get_unaligned_le16(&error_info->response_data_length); | |
3183 | if (sense_data_length) { | |
3184 | if (sense_data_length > sizeof(error_info->data)) | |
3185 | sense_data_length = sizeof(error_info->data); | |
3186 | ||
3187 | if (scsi_status == SAM_STAT_CHECK_CONDITION && | |
3188 | scsi_normalize_sense(error_info->data, | |
3189 | sense_data_length, &sshdr) && | |
3190 | sshdr.sense_key == HARDWARE_ERROR && | |
8ef860ae | 3191 | sshdr.asc == 0x3e) { |
441b7195 EV |
3192 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(scmd->device->host); |
3193 | struct pqi_scsi_dev *device = scmd->device->hostdata; | |
3194 | ||
8ef860ae EV |
3195 | switch (sshdr.ascq) { |
3196 | case 0x1: /* LOGICAL UNIT FAILURE */ | |
3197 | if (printk_ratelimit()) | |
3198 | scmd_printk(KERN_ERR, scmd, "received 'logical unit failure' from controller for scsi %d:%d:%d:%d\n", | |
3199 | ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); | |
3200 | pqi_take_device_offline(scmd->device, "RAID"); | |
3201 | host_byte = DID_NO_CONNECT; | |
3202 | break; | |
3203 | ||
3204 | default: /* See http://www.t10.org/lists/asc-num.htm#ASC_3E */ | |
3205 | if (printk_ratelimit()) | |
3206 | scmd_printk(KERN_ERR, scmd, "received unhandled error %d from controller for scsi %d:%d:%d:%d\n", | |
3207 | sshdr.ascq, ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); | |
3208 | break; | |
3209 | } | |
6c223761 KB |
3210 | } |
3211 | ||
3212 | if (sense_data_length > SCSI_SENSE_BUFFERSIZE) | |
3213 | sense_data_length = SCSI_SENSE_BUFFERSIZE; | |
3214 | memcpy(scmd->sense_buffer, error_info->data, | |
3215 | sense_data_length); | |
3216 | } | |
3217 | ||
3218 | scmd->result = scsi_status; | |
3219 | set_host_byte(scmd, host_byte); | |
3220 | } | |
3221 | ||
3222 | static void pqi_process_aio_io_error(struct pqi_io_request *io_request) | |
3223 | { | |
3224 | u8 scsi_status; | |
3225 | u8 host_byte; | |
3226 | struct scsi_cmnd *scmd; | |
3227 | struct pqi_aio_error_info *error_info; | |
3228 | size_t sense_data_length; | |
3229 | int residual_count; | |
3230 | int xfer_count; | |
3231 | bool device_offline; | |
94a68c81 | 3232 | struct pqi_scsi_dev *device; |
6c223761 KB |
3233 | |
3234 | scmd = io_request->scmd; | |
3235 | error_info = io_request->error_info; | |
3236 | host_byte = DID_OK; | |
3237 | sense_data_length = 0; | |
3238 | device_offline = false; | |
94a68c81 | 3239 | device = scmd->device->hostdata; |
6c223761 KB |
3240 | |
3241 | switch (error_info->service_response) { | |
3242 | case PQI_AIO_SERV_RESPONSE_COMPLETE: | |
3243 | scsi_status = error_info->status; | |
3244 | break; | |
3245 | case PQI_AIO_SERV_RESPONSE_FAILURE: | |
3246 | switch (error_info->status) { | |
3247 | case PQI_AIO_STATUS_IO_ABORTED: | |
3248 | scsi_status = SAM_STAT_TASK_ABORTED; | |
3249 | break; | |
3250 | case PQI_AIO_STATUS_UNDERRUN: | |
3251 | scsi_status = SAM_STAT_GOOD; | |
3252 | residual_count = get_unaligned_le32( | |
3253 | &error_info->residual_count); | |
3254 | scsi_set_resid(scmd, residual_count); | |
3255 | xfer_count = scsi_bufflen(scmd) - residual_count; | |
3256 | if (xfer_count < scmd->underflow) | |
3257 | host_byte = DID_SOFT_ERROR; | |
3258 | break; | |
3259 | case PQI_AIO_STATUS_OVERRUN: | |
3260 | scsi_status = SAM_STAT_GOOD; | |
3261 | break; | |
3262 | case PQI_AIO_STATUS_AIO_PATH_DISABLED: | |
3263 | pqi_aio_path_disabled(io_request); | |
94a68c81 MB |
3264 | if (pqi_is_multipath_device(device)) { |
3265 | pqi_device_remove_start(device); | |
3266 | host_byte = DID_NO_CONNECT; | |
3267 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3268 | } else { | |
3269 | scsi_status = SAM_STAT_GOOD; | |
3270 | io_request->status = -EAGAIN; | |
3271 | } | |
6c223761 KB |
3272 | break; |
3273 | case PQI_AIO_STATUS_NO_PATH_TO_DEVICE: | |
3274 | case PQI_AIO_STATUS_INVALID_DEVICE: | |
376fb880 KB |
3275 | if (!io_request->raid_bypass) { |
3276 | device_offline = true; | |
3277 | pqi_take_device_offline(scmd->device, "AIO"); | |
3278 | host_byte = DID_NO_CONNECT; | |
3279 | } | |
6c223761 KB |
3280 | scsi_status = SAM_STAT_CHECK_CONDITION; |
3281 | break; | |
3282 | case PQI_AIO_STATUS_IO_ERROR: | |
3283 | default: | |
3284 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3285 | break; | |
3286 | } | |
3287 | break; | |
3288 | case PQI_AIO_SERV_RESPONSE_TMF_COMPLETE: | |
3289 | case PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED: | |
3290 | scsi_status = SAM_STAT_GOOD; | |
3291 | break; | |
3292 | case PQI_AIO_SERV_RESPONSE_TMF_REJECTED: | |
3293 | case PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN: | |
3294 | default: | |
3295 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3296 | break; | |
3297 | } | |
3298 | ||
3299 | if (error_info->data_present) { | |
3300 | sense_data_length = | |
3301 | get_unaligned_le16(&error_info->data_length); | |
3302 | if (sense_data_length) { | |
3303 | if (sense_data_length > sizeof(error_info->data)) | |
3304 | sense_data_length = sizeof(error_info->data); | |
3305 | if (sense_data_length > SCSI_SENSE_BUFFERSIZE) | |
3306 | sense_data_length = SCSI_SENSE_BUFFERSIZE; | |
3307 | memcpy(scmd->sense_buffer, error_info->data, | |
3308 | sense_data_length); | |
3309 | } | |
3310 | } | |
3311 | ||
3312 | if (device_offline && sense_data_length == 0) | |
f2b1e9c6 | 3313 | scsi_build_sense(scmd, 0, HARDWARE_ERROR, 0x3e, 0x1); |
6c223761 KB |
3314 | |
3315 | scmd->result = scsi_status; | |
3316 | set_host_byte(scmd, host_byte); | |
3317 | } | |
3318 | ||
3319 | static void pqi_process_io_error(unsigned int iu_type, | |
3320 | struct pqi_io_request *io_request) | |
3321 | { | |
3322 | switch (iu_type) { | |
3323 | case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR: | |
3324 | pqi_process_raid_io_error(io_request); | |
3325 | break; | |
3326 | case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR: | |
3327 | pqi_process_aio_io_error(io_request); | |
3328 | break; | |
3329 | } | |
3330 | } | |
3331 | ||
18ff5f08 | 3332 | static int pqi_interpret_task_management_response(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
3333 | struct pqi_task_management_response *response) |
3334 | { | |
3335 | int rc; | |
3336 | ||
3337 | switch (response->response_code) { | |
b17f0486 KB |
3338 | case SOP_TMF_COMPLETE: |
3339 | case SOP_TMF_FUNCTION_SUCCEEDED: | |
6c223761 KB |
3340 | rc = 0; |
3341 | break; | |
3406384b MR |
3342 | case SOP_TMF_REJECTED: |
3343 | rc = -EAGAIN; | |
3344 | break; | |
4e7d2602 MM |
3345 | case SOP_RC_INCORRECT_LOGICAL_UNIT: |
3346 | rc = -ENODEV; | |
3347 | break; | |
6c223761 KB |
3348 | default: |
3349 | rc = -EIO; | |
3350 | break; | |
3351 | } | |
3352 | ||
18ff5f08 KB |
3353 | if (rc) |
3354 | dev_err(&ctrl_info->pci_dev->dev, | |
3355 | "Task Management Function error: %d (response code: %u)\n", rc, response->response_code); | |
3356 | ||
6c223761 KB |
3357 | return rc; |
3358 | } | |
3359 | ||
5d1f03e6 MB |
3360 | static inline void pqi_invalid_response(struct pqi_ctrl_info *ctrl_info, |
3361 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) | |
6c223761 | 3362 | { |
5d1f03e6 | 3363 | pqi_take_ctrl_offline(ctrl_info, ctrl_shutdown_reason); |
9e68cccc KB |
3364 | } |
3365 | ||
3366 | static int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, struct pqi_queue_group *queue_group) | |
6c223761 | 3367 | { |
9e68cccc | 3368 | int num_responses; |
6c223761 KB |
3369 | pqi_index_t oq_pi; |
3370 | pqi_index_t oq_ci; | |
3371 | struct pqi_io_request *io_request; | |
3372 | struct pqi_io_response *response; | |
3373 | u16 request_id; | |
3374 | ||
3375 | num_responses = 0; | |
3376 | oq_ci = queue_group->oq_ci_copy; | |
3377 | ||
3378 | while (1) { | |
dac12fbc | 3379 | oq_pi = readl(queue_group->oq_pi); |
9e68cccc | 3380 | if (oq_pi >= ctrl_info->num_elements_per_oq) { |
5d1f03e6 | 3381 | pqi_invalid_response(ctrl_info, PQI_IO_PI_OUT_OF_RANGE); |
9e68cccc KB |
3382 | dev_err(&ctrl_info->pci_dev->dev, |
3383 | "I/O interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", | |
3384 | oq_pi, ctrl_info->num_elements_per_oq - 1, oq_ci); | |
3385 | return -1; | |
3386 | } | |
6c223761 KB |
3387 | if (oq_pi == oq_ci) |
3388 | break; | |
3389 | ||
3390 | num_responses++; | |
3391 | response = queue_group->oq_element_array + | |
3392 | (oq_ci * PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); | |
3393 | ||
3394 | request_id = get_unaligned_le16(&response->request_id); | |
9e68cccc | 3395 | if (request_id >= ctrl_info->max_io_slots) { |
5d1f03e6 | 3396 | pqi_invalid_response(ctrl_info, PQI_INVALID_REQ_ID); |
9e68cccc KB |
3397 | dev_err(&ctrl_info->pci_dev->dev, |
3398 | "request ID in response (%u) out of range (0-%u): producer index: %u consumer index: %u\n", | |
3399 | request_id, ctrl_info->max_io_slots - 1, oq_pi, oq_ci); | |
3400 | return -1; | |
3401 | } | |
6c223761 KB |
3402 | |
3403 | io_request = &ctrl_info->io_request_pool[request_id]; | |
9e68cccc | 3404 | if (atomic_read(&io_request->refcount) == 0) { |
5d1f03e6 | 3405 | pqi_invalid_response(ctrl_info, PQI_UNMATCHED_REQ_ID); |
9e68cccc KB |
3406 | dev_err(&ctrl_info->pci_dev->dev, |
3407 | "request ID in response (%u) does not match an outstanding I/O request: producer index: %u consumer index: %u\n", | |
3408 | request_id, oq_pi, oq_ci); | |
3409 | return -1; | |
3410 | } | |
6c223761 KB |
3411 | |
3412 | switch (response->header.iu_type) { | |
3413 | case PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS: | |
3414 | case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS: | |
2ba55c98 KB |
3415 | if (io_request->scmd) |
3416 | io_request->scmd->result = 0; | |
df561f66 | 3417 | fallthrough; |
6c223761 KB |
3418 | case PQI_RESPONSE_IU_GENERAL_MANAGEMENT: |
3419 | break; | |
b212c251 KB |
3420 | case PQI_RESPONSE_IU_VENDOR_GENERAL: |
3421 | io_request->status = | |
3422 | get_unaligned_le16( | |
583891c9 | 3423 | &((struct pqi_vendor_general_response *)response)->status); |
b212c251 | 3424 | break; |
6c223761 | 3425 | case PQI_RESPONSE_IU_TASK_MANAGEMENT: |
18ff5f08 KB |
3426 | io_request->status = pqi_interpret_task_management_response(ctrl_info, |
3427 | (void *)response); | |
6c223761 KB |
3428 | break; |
3429 | case PQI_RESPONSE_IU_AIO_PATH_DISABLED: | |
3430 | pqi_aio_path_disabled(io_request); | |
3431 | io_request->status = -EAGAIN; | |
3432 | break; | |
3433 | case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR: | |
3434 | case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR: | |
3435 | io_request->error_info = ctrl_info->error_buffer + | |
3436 | (get_unaligned_le16(&response->error_index) * | |
3437 | PQI_ERROR_BUFFER_ELEMENT_LENGTH); | |
9e68cccc | 3438 | pqi_process_io_error(response->header.iu_type, io_request); |
6c223761 KB |
3439 | break; |
3440 | default: | |
5d1f03e6 | 3441 | pqi_invalid_response(ctrl_info, PQI_UNEXPECTED_IU_TYPE); |
6c223761 | 3442 | dev_err(&ctrl_info->pci_dev->dev, |
9e68cccc KB |
3443 | "unexpected IU type: 0x%x: producer index: %u consumer index: %u\n", |
3444 | response->header.iu_type, oq_pi, oq_ci); | |
3445 | return -1; | |
6c223761 KB |
3446 | } |
3447 | ||
9e68cccc | 3448 | io_request->io_complete_callback(io_request, io_request->context); |
6c223761 KB |
3449 | |
3450 | /* | |
3451 | * Note that the I/O request structure CANNOT BE TOUCHED after | |
3452 | * returning from the I/O completion callback! | |
3453 | */ | |
6c223761 KB |
3454 | oq_ci = (oq_ci + 1) % ctrl_info->num_elements_per_oq; |
3455 | } | |
3456 | ||
3457 | if (num_responses) { | |
3458 | queue_group->oq_ci_copy = oq_ci; | |
3459 | writel(oq_ci, queue_group->oq_ci); | |
3460 | } | |
3461 | ||
3462 | return num_responses; | |
3463 | } | |
3464 | ||
3465 | static inline unsigned int pqi_num_elements_free(unsigned int pi, | |
df7a1fcf | 3466 | unsigned int ci, unsigned int elements_in_queue) |
6c223761 KB |
3467 | { |
3468 | unsigned int num_elements_used; | |
3469 | ||
3470 | if (pi >= ci) | |
3471 | num_elements_used = pi - ci; | |
3472 | else | |
3473 | num_elements_used = elements_in_queue - ci + pi; | |
3474 | ||
3475 | return elements_in_queue - num_elements_used - 1; | |
3476 | } | |
3477 | ||
98f87667 | 3478 | static void pqi_send_event_ack(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
3479 | struct pqi_event_acknowledge_request *iu, size_t iu_length) |
3480 | { | |
3481 | pqi_index_t iq_pi; | |
3482 | pqi_index_t iq_ci; | |
3483 | unsigned long flags; | |
3484 | void *next_element; | |
6c223761 KB |
3485 | struct pqi_queue_group *queue_group; |
3486 | ||
3487 | queue_group = &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP]; | |
3488 | put_unaligned_le16(queue_group->oq_id, &iu->header.response_queue_id); | |
3489 | ||
6c223761 KB |
3490 | while (1) { |
3491 | spin_lock_irqsave(&queue_group->submit_lock[RAID_PATH], flags); | |
3492 | ||
3493 | iq_pi = queue_group->iq_pi_copy[RAID_PATH]; | |
dac12fbc | 3494 | iq_ci = readl(queue_group->iq_ci[RAID_PATH]); |
6c223761 KB |
3495 | |
3496 | if (pqi_num_elements_free(iq_pi, iq_ci, | |
3497 | ctrl_info->num_elements_per_iq)) | |
3498 | break; | |
3499 | ||
3500 | spin_unlock_irqrestore( | |
3501 | &queue_group->submit_lock[RAID_PATH], flags); | |
3502 | ||
98f87667 | 3503 | if (pqi_ctrl_offline(ctrl_info)) |
6c223761 | 3504 | return; |
6c223761 KB |
3505 | } |
3506 | ||
3507 | next_element = queue_group->iq_element_array[RAID_PATH] + | |
3508 | (iq_pi * PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
3509 | ||
3510 | memcpy(next_element, iu, iu_length); | |
3511 | ||
3512 | iq_pi = (iq_pi + 1) % ctrl_info->num_elements_per_iq; | |
6c223761 KB |
3513 | queue_group->iq_pi_copy[RAID_PATH] = iq_pi; |
3514 | ||
3515 | /* | |
3516 | * This write notifies the controller that an IU is available to be | |
3517 | * processed. | |
3518 | */ | |
3519 | writel(iq_pi, queue_group->iq_pi[RAID_PATH]); | |
3520 | ||
3521 | spin_unlock_irqrestore(&queue_group->submit_lock[RAID_PATH], flags); | |
6c223761 KB |
3522 | } |
3523 | ||
3524 | static void pqi_acknowledge_event(struct pqi_ctrl_info *ctrl_info, | |
3525 | struct pqi_event *event) | |
3526 | { | |
3527 | struct pqi_event_acknowledge_request request; | |
3528 | ||
3529 | memset(&request, 0, sizeof(request)); | |
3530 | ||
3531 | request.header.iu_type = PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT; | |
3532 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
3533 | &request.header.iu_length); | |
3534 | request.event_type = event->event_type; | |
06b41e0d KB |
3535 | put_unaligned_le16(event->event_id, &request.event_id); |
3536 | put_unaligned_le32(event->additional_event_id, &request.additional_event_id); | |
6c223761 | 3537 | |
98f87667 | 3538 | pqi_send_event_ack(ctrl_info, &request, sizeof(request)); |
6c223761 KB |
3539 | } |
3540 | ||
4fd22c13 MR |
3541 | #define PQI_SOFT_RESET_STATUS_TIMEOUT_SECS 30 |
3542 | #define PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS 1 | |
3543 | ||
3544 | static enum pqi_soft_reset_status pqi_poll_for_soft_reset_status( | |
3545 | struct pqi_ctrl_info *ctrl_info) | |
6c223761 | 3546 | { |
4fd22c13 | 3547 | u8 status; |
583891c9 | 3548 | unsigned long timeout; |
6c223761 | 3549 | |
42dc0426 | 3550 | timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 | 3551 | |
4fd22c13 MR |
3552 | while (1) { |
3553 | status = pqi_read_soft_reset_status(ctrl_info); | |
3554 | if (status & PQI_SOFT_RESET_INITIATE) | |
3555 | return RESET_INITIATE_DRIVER; | |
3556 | ||
3557 | if (status & PQI_SOFT_RESET_ABORT) | |
3558 | return RESET_ABORT; | |
3559 | ||
4ccc354b KB |
3560 | if (!sis_is_firmware_running(ctrl_info)) |
3561 | return RESET_NORESPONSE; | |
3562 | ||
4fd22c13 | 3563 | if (time_after(jiffies, timeout)) { |
4ccc354b | 3564 | dev_warn(&ctrl_info->pci_dev->dev, |
4fd22c13 MR |
3565 | "timed out waiting for soft reset status\n"); |
3566 | return RESET_TIMEDOUT; | |
3567 | } | |
3568 | ||
4fd22c13 MR |
3569 | ssleep(PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS); |
3570 | } | |
3571 | } | |
3572 | ||
4ccc354b | 3573 | static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 MR |
3574 | { |
3575 | int rc; | |
2790cd4d | 3576 | unsigned int delay_secs; |
4ccc354b KB |
3577 | enum pqi_soft_reset_status reset_status; |
3578 | ||
3579 | if (ctrl_info->soft_reset_handshake_supported) | |
3580 | reset_status = pqi_poll_for_soft_reset_status(ctrl_info); | |
3581 | else | |
3582 | reset_status = RESET_INITIATE_FIRMWARE; | |
4fd22c13 | 3583 | |
2790cd4d | 3584 | delay_secs = PQI_POST_RESET_DELAY_SECS; |
4fd22c13 MR |
3585 | |
3586 | switch (reset_status) { | |
4fd22c13 | 3587 | case RESET_TIMEDOUT: |
2790cd4d | 3588 | delay_secs = PQI_POST_OFA_RESET_DELAY_UPON_TIMEOUT_SECS; |
4ccc354b KB |
3589 | fallthrough; |
3590 | case RESET_INITIATE_DRIVER: | |
4fd22c13 | 3591 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b | 3592 | "Online Firmware Activation: resetting controller\n"); |
4fd22c13 | 3593 | sis_soft_reset(ctrl_info); |
df561f66 | 3594 | fallthrough; |
4fd22c13 | 3595 | case RESET_INITIATE_FIRMWARE: |
4ccc354b KB |
3596 | ctrl_info->pqi_mode_enabled = false; |
3597 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); | |
2790cd4d | 3598 | rc = pqi_ofa_ctrl_restart(ctrl_info, delay_secs); |
4fd22c13 | 3599 | pqi_ofa_free_host_buffer(ctrl_info); |
4ccc354b | 3600 | pqi_ctrl_ofa_done(ctrl_info); |
4fd22c13 | 3601 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b KB |
3602 | "Online Firmware Activation: %s\n", |
3603 | rc == 0 ? "SUCCESS" : "FAILED"); | |
4fd22c13 MR |
3604 | break; |
3605 | case RESET_ABORT: | |
4fd22c13 | 3606 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b KB |
3607 | "Online Firmware Activation ABORTED\n"); |
3608 | if (ctrl_info->soft_reset_handshake_supported) | |
3609 | pqi_clear_soft_reset_status(ctrl_info); | |
3610 | pqi_ofa_free_host_buffer(ctrl_info); | |
3611 | pqi_ctrl_ofa_done(ctrl_info); | |
3612 | pqi_ofa_ctrl_unquiesce(ctrl_info); | |
4fd22c13 MR |
3613 | break; |
3614 | case RESET_NORESPONSE: | |
4ccc354b KB |
3615 | fallthrough; |
3616 | default: | |
3617 | dev_err(&ctrl_info->pci_dev->dev, | |
3618 | "unexpected Online Firmware Activation reset status: 0x%x\n", | |
3619 | reset_status); | |
4fd22c13 | 3620 | pqi_ofa_free_host_buffer(ctrl_info); |
4ccc354b KB |
3621 | pqi_ctrl_ofa_done(ctrl_info); |
3622 | pqi_ofa_ctrl_unquiesce(ctrl_info); | |
5d1f03e6 | 3623 | pqi_take_ctrl_offline(ctrl_info, PQI_OFA_RESPONSE_TIMEOUT); |
4fd22c13 MR |
3624 | break; |
3625 | } | |
3626 | } | |
3627 | ||
2790cd4d | 3628 | static void pqi_ofa_memory_alloc_worker(struct work_struct *work) |
4fd22c13 | 3629 | { |
2790cd4d | 3630 | struct pqi_ctrl_info *ctrl_info; |
4fd22c13 | 3631 | |
2790cd4d | 3632 | ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_memory_alloc_work); |
4fd22c13 | 3633 | |
2790cd4d KB |
3634 | pqi_ctrl_ofa_start(ctrl_info); |
3635 | pqi_ofa_setup_host_buffer(ctrl_info); | |
3636 | pqi_ofa_host_memory_update(ctrl_info); | |
3637 | } | |
4fd22c13 | 3638 | |
2790cd4d KB |
3639 | static void pqi_ofa_quiesce_worker(struct work_struct *work) |
3640 | { | |
3641 | struct pqi_ctrl_info *ctrl_info; | |
3642 | struct pqi_event *event; | |
4fd22c13 | 3643 | |
2790cd4d KB |
3644 | ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_quiesce_work); |
3645 | ||
3646 | event = &ctrl_info->events[pqi_event_type_to_event_index(PQI_EVENT_TYPE_OFA)]; | |
3647 | ||
3648 | pqi_ofa_ctrl_quiesce(ctrl_info); | |
3649 | pqi_acknowledge_event(ctrl_info, event); | |
3650 | pqi_process_soft_reset(ctrl_info); | |
3651 | } | |
4fd22c13 | 3652 | |
2790cd4d KB |
3653 | static bool pqi_ofa_process_event(struct pqi_ctrl_info *ctrl_info, |
3654 | struct pqi_event *event) | |
3655 | { | |
3656 | bool ack_event; | |
3657 | ||
3658 | ack_event = true; | |
3659 | ||
3660 | switch (event->event_id) { | |
3661 | case PQI_EVENT_OFA_MEMORY_ALLOCATION: | |
4fd22c13 | 3662 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3663 | "received Online Firmware Activation memory allocation request\n"); |
3664 | schedule_work(&ctrl_info->ofa_memory_alloc_work); | |
3665 | break; | |
3666 | case PQI_EVENT_OFA_QUIESCE: | |
4fd22c13 | 3667 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3668 | "received Online Firmware Activation quiesce request\n"); |
3669 | schedule_work(&ctrl_info->ofa_quiesce_work); | |
3670 | ack_event = false; | |
3671 | break; | |
3672 | case PQI_EVENT_OFA_CANCELED: | |
4fd22c13 | 3673 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3674 | "received Online Firmware Activation cancel request: reason: %u\n", |
3675 | ctrl_info->ofa_cancel_reason); | |
3676 | pqi_ofa_free_host_buffer(ctrl_info); | |
3677 | pqi_ctrl_ofa_done(ctrl_info); | |
3678 | break; | |
3679 | default: | |
3680 | dev_err(&ctrl_info->pci_dev->dev, | |
3681 | "received unknown Online Firmware Activation request: event ID: %u\n", | |
3682 | event->event_id); | |
3683 | break; | |
4fd22c13 MR |
3684 | } |
3685 | ||
2790cd4d | 3686 | return ack_event; |
4fd22c13 MR |
3687 | } |
3688 | ||
6ce3cfb3 KB |
3689 | static void pqi_disable_raid_bypass(struct pqi_ctrl_info *ctrl_info) |
3690 | { | |
3691 | unsigned long flags; | |
3692 | struct pqi_scsi_dev *device; | |
3693 | ||
3694 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
3695 | ||
3696 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) | |
3697 | if (device->raid_bypass_enabled) | |
3698 | device->raid_bypass_enabled = false; | |
3699 | ||
3700 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
3701 | } | |
3702 | ||
6c223761 KB |
3703 | static void pqi_event_worker(struct work_struct *work) |
3704 | { | |
3705 | unsigned int i; | |
2790cd4d | 3706 | bool rescan_needed; |
6c223761 | 3707 | struct pqi_ctrl_info *ctrl_info; |
6a50d6ad | 3708 | struct pqi_event *event; |
2790cd4d | 3709 | bool ack_event; |
6c223761 KB |
3710 | |
3711 | ctrl_info = container_of(work, struct pqi_ctrl_info, event_work); | |
3712 | ||
7561a7e4 | 3713 | pqi_ctrl_busy(ctrl_info); |
ae0c189d | 3714 | pqi_wait_if_ctrl_blocked(ctrl_info); |
5f310425 KB |
3715 | if (pqi_ctrl_offline(ctrl_info)) |
3716 | goto out; | |
3717 | ||
2790cd4d | 3718 | rescan_needed = false; |
6a50d6ad | 3719 | event = ctrl_info->events; |
6c223761 | 3720 | for (i = 0; i < PQI_NUM_SUPPORTED_EVENTS; i++) { |
6a50d6ad KB |
3721 | if (event->pending) { |
3722 | event->pending = false; | |
4fd22c13 | 3723 | if (event->event_type == PQI_EVENT_TYPE_OFA) { |
2790cd4d KB |
3724 | ack_event = pqi_ofa_process_event(ctrl_info, event); |
3725 | } else { | |
3726 | ack_event = true; | |
3727 | rescan_needed = true; | |
27655e9d MR |
3728 | if (event->event_type == PQI_EVENT_TYPE_LOGICAL_DEVICE) |
3729 | ctrl_info->logical_volume_rescan_needed = true; | |
6ce3cfb3 KB |
3730 | else if (event->event_type == PQI_EVENT_TYPE_AIO_STATE_CHANGE) |
3731 | pqi_disable_raid_bypass(ctrl_info); | |
4fd22c13 | 3732 | } |
2790cd4d KB |
3733 | if (ack_event) |
3734 | pqi_acknowledge_event(ctrl_info, event); | |
6c223761 | 3735 | } |
6a50d6ad | 3736 | event++; |
6c223761 KB |
3737 | } |
3738 | ||
4e7d2602 MM |
3739 | #define PQI_RESCAN_WORK_FOR_EVENT_DELAY (5 * HZ) |
3740 | ||
2790cd4d | 3741 | if (rescan_needed) |
4e7d2602 MM |
3742 | pqi_schedule_rescan_worker_with_delay(ctrl_info, |
3743 | PQI_RESCAN_WORK_FOR_EVENT_DELAY); | |
2790cd4d | 3744 | |
5f310425 | 3745 | out: |
7561a7e4 | 3746 | pqi_ctrl_unbusy(ctrl_info); |
6c223761 KB |
3747 | } |
3748 | ||
42dc0426 | 3749 | #define PQI_HEARTBEAT_TIMER_INTERVAL (10 * HZ) |
6c223761 | 3750 | |
74a0f573 | 3751 | static void pqi_heartbeat_timer_handler(struct timer_list *t) |
6c223761 KB |
3752 | { |
3753 | int num_interrupts; | |
98f87667 | 3754 | u32 heartbeat_count; |
583891c9 | 3755 | struct pqi_ctrl_info *ctrl_info = from_timer(ctrl_info, t, heartbeat_timer); |
6c223761 | 3756 | |
98f87667 KB |
3757 | pqi_check_ctrl_health(ctrl_info); |
3758 | if (pqi_ctrl_offline(ctrl_info)) | |
061ef06a KB |
3759 | return; |
3760 | ||
6c223761 | 3761 | num_interrupts = atomic_read(&ctrl_info->num_interrupts); |
98f87667 | 3762 | heartbeat_count = pqi_read_heartbeat_counter(ctrl_info); |
6c223761 KB |
3763 | |
3764 | if (num_interrupts == ctrl_info->previous_num_interrupts) { | |
98f87667 KB |
3765 | if (heartbeat_count == ctrl_info->previous_heartbeat_count) { |
3766 | dev_err(&ctrl_info->pci_dev->dev, | |
3767 | "no heartbeat detected - last heartbeat count: %u\n", | |
3768 | heartbeat_count); | |
5d1f03e6 | 3769 | pqi_take_ctrl_offline(ctrl_info, PQI_NO_HEARTBEAT); |
6c223761 KB |
3770 | return; |
3771 | } | |
6c223761 | 3772 | } else { |
98f87667 | 3773 | ctrl_info->previous_num_interrupts = num_interrupts; |
6c223761 KB |
3774 | } |
3775 | ||
98f87667 | 3776 | ctrl_info->previous_heartbeat_count = heartbeat_count; |
6c223761 KB |
3777 | mod_timer(&ctrl_info->heartbeat_timer, |
3778 | jiffies + PQI_HEARTBEAT_TIMER_INTERVAL); | |
3779 | } | |
3780 | ||
3781 | static void pqi_start_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) | |
3782 | { | |
98f87667 KB |
3783 | if (!ctrl_info->heartbeat_counter) |
3784 | return; | |
3785 | ||
6c223761 KB |
3786 | ctrl_info->previous_num_interrupts = |
3787 | atomic_read(&ctrl_info->num_interrupts); | |
98f87667 KB |
3788 | ctrl_info->previous_heartbeat_count = |
3789 | pqi_read_heartbeat_counter(ctrl_info); | |
6c223761 | 3790 | |
6c223761 KB |
3791 | ctrl_info->heartbeat_timer.expires = |
3792 | jiffies + PQI_HEARTBEAT_TIMER_INTERVAL; | |
061ef06a | 3793 | add_timer(&ctrl_info->heartbeat_timer); |
6c223761 KB |
3794 | } |
3795 | ||
3796 | static inline void pqi_stop_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) | |
3797 | { | |
98f87667 | 3798 | del_timer_sync(&ctrl_info->heartbeat_timer); |
6c223761 KB |
3799 | } |
3800 | ||
2790cd4d KB |
3801 | static void pqi_ofa_capture_event_payload(struct pqi_ctrl_info *ctrl_info, |
3802 | struct pqi_event *event, struct pqi_event_response *response) | |
4fd22c13 | 3803 | { |
2790cd4d KB |
3804 | switch (event->event_id) { |
3805 | case PQI_EVENT_OFA_MEMORY_ALLOCATION: | |
3806 | ctrl_info->ofa_bytes_requested = | |
3807 | get_unaligned_le32(&response->data.ofa_memory_allocation.bytes_requested); | |
3808 | break; | |
3809 | case PQI_EVENT_OFA_CANCELED: | |
3810 | ctrl_info->ofa_cancel_reason = | |
3811 | get_unaligned_le16(&response->data.ofa_cancelled.reason); | |
3812 | break; | |
4fd22c13 MR |
3813 | } |
3814 | } | |
3815 | ||
9e68cccc | 3816 | static int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) |
6c223761 | 3817 | { |
9e68cccc | 3818 | int num_events; |
6c223761 KB |
3819 | pqi_index_t oq_pi; |
3820 | pqi_index_t oq_ci; | |
3821 | struct pqi_event_queue *event_queue; | |
3822 | struct pqi_event_response *response; | |
6a50d6ad | 3823 | struct pqi_event *event; |
6c223761 KB |
3824 | int event_index; |
3825 | ||
3826 | event_queue = &ctrl_info->event_queue; | |
3827 | num_events = 0; | |
6c223761 KB |
3828 | oq_ci = event_queue->oq_ci_copy; |
3829 | ||
3830 | while (1) { | |
dac12fbc | 3831 | oq_pi = readl(event_queue->oq_pi); |
9e68cccc | 3832 | if (oq_pi >= PQI_NUM_EVENT_QUEUE_ELEMENTS) { |
5d1f03e6 | 3833 | pqi_invalid_response(ctrl_info, PQI_EVENT_PI_OUT_OF_RANGE); |
9e68cccc KB |
3834 | dev_err(&ctrl_info->pci_dev->dev, |
3835 | "event interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", | |
3836 | oq_pi, PQI_NUM_EVENT_QUEUE_ELEMENTS - 1, oq_ci); | |
3837 | return -1; | |
3838 | } | |
3839 | ||
6c223761 KB |
3840 | if (oq_pi == oq_ci) |
3841 | break; | |
3842 | ||
3843 | num_events++; | |
9e68cccc | 3844 | response = event_queue->oq_element_array + (oq_ci * PQI_EVENT_OQ_ELEMENT_LENGTH); |
6c223761 | 3845 | |
583891c9 | 3846 | event_index = pqi_event_type_to_event_index(response->event_type); |
6c223761 | 3847 | |
9e68cccc KB |
3848 | if (event_index >= 0 && response->request_acknowledge) { |
3849 | event = &ctrl_info->events[event_index]; | |
3850 | event->pending = true; | |
3851 | event->event_type = response->event_type; | |
06b41e0d KB |
3852 | event->event_id = get_unaligned_le16(&response->event_id); |
3853 | event->additional_event_id = | |
3854 | get_unaligned_le32(&response->additional_event_id); | |
9e68cccc | 3855 | if (event->event_type == PQI_EVENT_TYPE_OFA) |
2790cd4d | 3856 | pqi_ofa_capture_event_payload(ctrl_info, event, response); |
6c223761 KB |
3857 | } |
3858 | ||
3859 | oq_ci = (oq_ci + 1) % PQI_NUM_EVENT_QUEUE_ELEMENTS; | |
3860 | } | |
3861 | ||
3862 | if (num_events) { | |
3863 | event_queue->oq_ci_copy = oq_ci; | |
3864 | writel(oq_ci, event_queue->oq_ci); | |
98f87667 | 3865 | schedule_work(&ctrl_info->event_work); |
6c223761 KB |
3866 | } |
3867 | ||
3868 | return num_events; | |
3869 | } | |
3870 | ||
061ef06a KB |
3871 | #define PQI_LEGACY_INTX_MASK 0x1 |
3872 | ||
583891c9 | 3873 | static inline void pqi_configure_legacy_intx(struct pqi_ctrl_info *ctrl_info, bool enable_intx) |
061ef06a KB |
3874 | { |
3875 | u32 intx_mask; | |
3876 | struct pqi_device_registers __iomem *pqi_registers; | |
3877 | volatile void __iomem *register_addr; | |
3878 | ||
3879 | pqi_registers = ctrl_info->pqi_registers; | |
3880 | ||
3881 | if (enable_intx) | |
3882 | register_addr = &pqi_registers->legacy_intx_mask_clear; | |
3883 | else | |
3884 | register_addr = &pqi_registers->legacy_intx_mask_set; | |
3885 | ||
3886 | intx_mask = readl(register_addr); | |
3887 | intx_mask |= PQI_LEGACY_INTX_MASK; | |
3888 | writel(intx_mask, register_addr); | |
3889 | } | |
3890 | ||
3891 | static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info, | |
3892 | enum pqi_irq_mode new_mode) | |
3893 | { | |
3894 | switch (ctrl_info->irq_mode) { | |
3895 | case IRQ_MODE_MSIX: | |
3896 | switch (new_mode) { | |
3897 | case IRQ_MODE_MSIX: | |
3898 | break; | |
3899 | case IRQ_MODE_INTX: | |
3900 | pqi_configure_legacy_intx(ctrl_info, true); | |
061ef06a KB |
3901 | sis_enable_intx(ctrl_info); |
3902 | break; | |
3903 | case IRQ_MODE_NONE: | |
061ef06a KB |
3904 | break; |
3905 | } | |
3906 | break; | |
3907 | case IRQ_MODE_INTX: | |
3908 | switch (new_mode) { | |
3909 | case IRQ_MODE_MSIX: | |
3910 | pqi_configure_legacy_intx(ctrl_info, false); | |
061ef06a KB |
3911 | sis_enable_msix(ctrl_info); |
3912 | break; | |
3913 | case IRQ_MODE_INTX: | |
3914 | break; | |
3915 | case IRQ_MODE_NONE: | |
3916 | pqi_configure_legacy_intx(ctrl_info, false); | |
061ef06a KB |
3917 | break; |
3918 | } | |
3919 | break; | |
3920 | case IRQ_MODE_NONE: | |
3921 | switch (new_mode) { | |
3922 | case IRQ_MODE_MSIX: | |
3923 | sis_enable_msix(ctrl_info); | |
3924 | break; | |
3925 | case IRQ_MODE_INTX: | |
3926 | pqi_configure_legacy_intx(ctrl_info, true); | |
3927 | sis_enable_intx(ctrl_info); | |
3928 | break; | |
3929 | case IRQ_MODE_NONE: | |
3930 | break; | |
3931 | } | |
3932 | break; | |
3933 | } | |
3934 | ||
3935 | ctrl_info->irq_mode = new_mode; | |
3936 | } | |
3937 | ||
3938 | #define PQI_LEGACY_INTX_PENDING 0x1 | |
3939 | ||
3940 | static inline bool pqi_is_valid_irq(struct pqi_ctrl_info *ctrl_info) | |
3941 | { | |
3942 | bool valid_irq; | |
3943 | u32 intx_status; | |
3944 | ||
3945 | switch (ctrl_info->irq_mode) { | |
3946 | case IRQ_MODE_MSIX: | |
3947 | valid_irq = true; | |
3948 | break; | |
3949 | case IRQ_MODE_INTX: | |
583891c9 | 3950 | intx_status = readl(&ctrl_info->pqi_registers->legacy_intx_status); |
061ef06a KB |
3951 | if (intx_status & PQI_LEGACY_INTX_PENDING) |
3952 | valid_irq = true; | |
3953 | else | |
3954 | valid_irq = false; | |
3955 | break; | |
3956 | case IRQ_MODE_NONE: | |
3957 | default: | |
3958 | valid_irq = false; | |
3959 | break; | |
3960 | } | |
3961 | ||
3962 | return valid_irq; | |
3963 | } | |
3964 | ||
6c223761 KB |
3965 | static irqreturn_t pqi_irq_handler(int irq, void *data) |
3966 | { | |
3967 | struct pqi_ctrl_info *ctrl_info; | |
3968 | struct pqi_queue_group *queue_group; | |
9e68cccc KB |
3969 | int num_io_responses_handled; |
3970 | int num_events_handled; | |
6c223761 KB |
3971 | |
3972 | queue_group = data; | |
3973 | ctrl_info = queue_group->ctrl_info; | |
3974 | ||
061ef06a | 3975 | if (!pqi_is_valid_irq(ctrl_info)) |
6c223761 KB |
3976 | return IRQ_NONE; |
3977 | ||
9e68cccc KB |
3978 | num_io_responses_handled = pqi_process_io_intr(ctrl_info, queue_group); |
3979 | if (num_io_responses_handled < 0) | |
3980 | goto out; | |
6c223761 | 3981 | |
9e68cccc KB |
3982 | if (irq == ctrl_info->event_irq) { |
3983 | num_events_handled = pqi_process_event_intr(ctrl_info); | |
3984 | if (num_events_handled < 0) | |
3985 | goto out; | |
3986 | } else { | |
3987 | num_events_handled = 0; | |
3988 | } | |
6c223761 | 3989 | |
9e68cccc | 3990 | if (num_io_responses_handled + num_events_handled > 0) |
6c223761 KB |
3991 | atomic_inc(&ctrl_info->num_interrupts); |
3992 | ||
3993 | pqi_start_io(ctrl_info, queue_group, RAID_PATH, NULL); | |
3994 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, NULL); | |
3995 | ||
9e68cccc | 3996 | out: |
6c223761 KB |
3997 | return IRQ_HANDLED; |
3998 | } | |
3999 | ||
4000 | static int pqi_request_irqs(struct pqi_ctrl_info *ctrl_info) | |
4001 | { | |
d91d7820 | 4002 | struct pci_dev *pci_dev = ctrl_info->pci_dev; |
6c223761 KB |
4003 | int i; |
4004 | int rc; | |
4005 | ||
d91d7820 | 4006 | ctrl_info->event_irq = pci_irq_vector(pci_dev, 0); |
6c223761 KB |
4007 | |
4008 | for (i = 0; i < ctrl_info->num_msix_vectors_enabled; i++) { | |
d91d7820 | 4009 | rc = request_irq(pci_irq_vector(pci_dev, i), pqi_irq_handler, 0, |
52198226 | 4010 | DRIVER_NAME_SHORT, &ctrl_info->queue_groups[i]); |
6c223761 | 4011 | if (rc) { |
d91d7820 | 4012 | dev_err(&pci_dev->dev, |
6c223761 | 4013 | "irq %u init failed with error %d\n", |
d91d7820 | 4014 | pci_irq_vector(pci_dev, i), rc); |
6c223761 KB |
4015 | return rc; |
4016 | } | |
4017 | ctrl_info->num_msix_vectors_initialized++; | |
4018 | } | |
4019 | ||
4020 | return 0; | |
4021 | } | |
4022 | ||
98bf061b KB |
4023 | static void pqi_free_irqs(struct pqi_ctrl_info *ctrl_info) |
4024 | { | |
4025 | int i; | |
4026 | ||
4027 | for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) | |
4028 | free_irq(pci_irq_vector(ctrl_info->pci_dev, i), | |
4029 | &ctrl_info->queue_groups[i]); | |
4030 | ||
4031 | ctrl_info->num_msix_vectors_initialized = 0; | |
4032 | } | |
4033 | ||
6c223761 KB |
4034 | static int pqi_enable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) |
4035 | { | |
98bf061b | 4036 | int num_vectors_enabled; |
cf15c3e7 MM |
4037 | unsigned int flags = PCI_IRQ_MSIX; |
4038 | ||
4039 | if (!pqi_disable_managed_interrupts) | |
4040 | flags |= PCI_IRQ_AFFINITY; | |
6c223761 | 4041 | |
98bf061b | 4042 | num_vectors_enabled = pci_alloc_irq_vectors(ctrl_info->pci_dev, |
52198226 | 4043 | PQI_MIN_MSIX_VECTORS, ctrl_info->num_queue_groups, |
cf15c3e7 | 4044 | flags); |
98bf061b | 4045 | if (num_vectors_enabled < 0) { |
6c223761 | 4046 | dev_err(&ctrl_info->pci_dev->dev, |
98bf061b KB |
4047 | "MSI-X init failed with error %d\n", |
4048 | num_vectors_enabled); | |
4049 | return num_vectors_enabled; | |
6c223761 KB |
4050 | } |
4051 | ||
98bf061b | 4052 | ctrl_info->num_msix_vectors_enabled = num_vectors_enabled; |
061ef06a | 4053 | ctrl_info->irq_mode = IRQ_MODE_MSIX; |
6c223761 KB |
4054 | return 0; |
4055 | } | |
4056 | ||
98bf061b KB |
4057 | static void pqi_disable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) |
4058 | { | |
4059 | if (ctrl_info->num_msix_vectors_enabled) { | |
4060 | pci_free_irq_vectors(ctrl_info->pci_dev); | |
4061 | ctrl_info->num_msix_vectors_enabled = 0; | |
4062 | } | |
4063 | } | |
4064 | ||
6c223761 KB |
4065 | static int pqi_alloc_operational_queues(struct pqi_ctrl_info *ctrl_info) |
4066 | { | |
4067 | unsigned int i; | |
4068 | size_t alloc_length; | |
4069 | size_t element_array_length_per_iq; | |
4070 | size_t element_array_length_per_oq; | |
4071 | void *element_array; | |
dac12fbc | 4072 | void __iomem *next_queue_index; |
6c223761 KB |
4073 | void *aligned_pointer; |
4074 | unsigned int num_inbound_queues; | |
4075 | unsigned int num_outbound_queues; | |
4076 | unsigned int num_queue_indexes; | |
4077 | struct pqi_queue_group *queue_group; | |
4078 | ||
4079 | element_array_length_per_iq = | |
4080 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH * | |
4081 | ctrl_info->num_elements_per_iq; | |
4082 | element_array_length_per_oq = | |
4083 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH * | |
4084 | ctrl_info->num_elements_per_oq; | |
4085 | num_inbound_queues = ctrl_info->num_queue_groups * 2; | |
4086 | num_outbound_queues = ctrl_info->num_queue_groups; | |
4087 | num_queue_indexes = (ctrl_info->num_queue_groups * 3) + 1; | |
4088 | ||
4089 | aligned_pointer = NULL; | |
4090 | ||
4091 | for (i = 0; i < num_inbound_queues; i++) { | |
4092 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4093 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4094 | aligned_pointer += element_array_length_per_iq; | |
4095 | } | |
4096 | ||
4097 | for (i = 0; i < num_outbound_queues; i++) { | |
4098 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4099 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4100 | aligned_pointer += element_array_length_per_oq; | |
4101 | } | |
4102 | ||
4103 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4104 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4105 | aligned_pointer += PQI_NUM_EVENT_QUEUE_ELEMENTS * | |
4106 | PQI_EVENT_OQ_ELEMENT_LENGTH; | |
4107 | ||
4108 | for (i = 0; i < num_queue_indexes; i++) { | |
4109 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4110 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4111 | aligned_pointer += sizeof(pqi_index_t); | |
4112 | } | |
4113 | ||
4114 | alloc_length = (size_t)aligned_pointer + | |
4115 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; | |
4116 | ||
e1d213bd KB |
4117 | alloc_length += PQI_EXTRA_SGL_MEMORY; |
4118 | ||
6c223761 | 4119 | ctrl_info->queue_memory_base = |
750afb08 LC |
4120 | dma_alloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, |
4121 | &ctrl_info->queue_memory_base_dma_handle, | |
4122 | GFP_KERNEL); | |
6c223761 | 4123 | |
d87d5474 | 4124 | if (!ctrl_info->queue_memory_base) |
6c223761 | 4125 | return -ENOMEM; |
6c223761 KB |
4126 | |
4127 | ctrl_info->queue_memory_length = alloc_length; | |
4128 | ||
4129 | element_array = PTR_ALIGN(ctrl_info->queue_memory_base, | |
4130 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4131 | ||
4132 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4133 | queue_group = &ctrl_info->queue_groups[i]; | |
4134 | queue_group->iq_element_array[RAID_PATH] = element_array; | |
4135 | queue_group->iq_element_array_bus_addr[RAID_PATH] = | |
4136 | ctrl_info->queue_memory_base_dma_handle + | |
4137 | (element_array - ctrl_info->queue_memory_base); | |
4138 | element_array += element_array_length_per_iq; | |
4139 | element_array = PTR_ALIGN(element_array, | |
4140 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4141 | queue_group->iq_element_array[AIO_PATH] = element_array; | |
4142 | queue_group->iq_element_array_bus_addr[AIO_PATH] = | |
4143 | ctrl_info->queue_memory_base_dma_handle + | |
4144 | (element_array - ctrl_info->queue_memory_base); | |
4145 | element_array += element_array_length_per_iq; | |
4146 | element_array = PTR_ALIGN(element_array, | |
4147 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4148 | } | |
4149 | ||
4150 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4151 | queue_group = &ctrl_info->queue_groups[i]; | |
4152 | queue_group->oq_element_array = element_array; | |
4153 | queue_group->oq_element_array_bus_addr = | |
4154 | ctrl_info->queue_memory_base_dma_handle + | |
4155 | (element_array - ctrl_info->queue_memory_base); | |
4156 | element_array += element_array_length_per_oq; | |
4157 | element_array = PTR_ALIGN(element_array, | |
4158 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4159 | } | |
4160 | ||
4161 | ctrl_info->event_queue.oq_element_array = element_array; | |
4162 | ctrl_info->event_queue.oq_element_array_bus_addr = | |
4163 | ctrl_info->queue_memory_base_dma_handle + | |
4164 | (element_array - ctrl_info->queue_memory_base); | |
4165 | element_array += PQI_NUM_EVENT_QUEUE_ELEMENTS * | |
4166 | PQI_EVENT_OQ_ELEMENT_LENGTH; | |
4167 | ||
dac12fbc | 4168 | next_queue_index = (void __iomem *)PTR_ALIGN(element_array, |
6c223761 KB |
4169 | PQI_OPERATIONAL_INDEX_ALIGNMENT); |
4170 | ||
4171 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4172 | queue_group = &ctrl_info->queue_groups[i]; | |
4173 | queue_group->iq_ci[RAID_PATH] = next_queue_index; | |
4174 | queue_group->iq_ci_bus_addr[RAID_PATH] = | |
4175 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4176 | (next_queue_index - |
4177 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4178 | next_queue_index += sizeof(pqi_index_t); |
4179 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4180 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4181 | queue_group->iq_ci[AIO_PATH] = next_queue_index; | |
4182 | queue_group->iq_ci_bus_addr[AIO_PATH] = | |
4183 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4184 | (next_queue_index - |
4185 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4186 | next_queue_index += sizeof(pqi_index_t); |
4187 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4188 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4189 | queue_group->oq_pi = next_queue_index; | |
4190 | queue_group->oq_pi_bus_addr = | |
4191 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4192 | (next_queue_index - |
4193 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4194 | next_queue_index += sizeof(pqi_index_t); |
4195 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4196 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4197 | } | |
4198 | ||
4199 | ctrl_info->event_queue.oq_pi = next_queue_index; | |
4200 | ctrl_info->event_queue.oq_pi_bus_addr = | |
4201 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4202 | (next_queue_index - |
4203 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4204 | |
4205 | return 0; | |
4206 | } | |
4207 | ||
4208 | static void pqi_init_operational_queues(struct pqi_ctrl_info *ctrl_info) | |
4209 | { | |
4210 | unsigned int i; | |
4211 | u16 next_iq_id = PQI_MIN_OPERATIONAL_QUEUE_ID; | |
4212 | u16 next_oq_id = PQI_MIN_OPERATIONAL_QUEUE_ID; | |
4213 | ||
4214 | /* | |
4215 | * Initialize the backpointers to the controller structure in | |
4216 | * each operational queue group structure. | |
4217 | */ | |
4218 | for (i = 0; i < ctrl_info->num_queue_groups; i++) | |
4219 | ctrl_info->queue_groups[i].ctrl_info = ctrl_info; | |
4220 | ||
4221 | /* | |
4222 | * Assign IDs to all operational queues. Note that the IDs | |
4223 | * assigned to operational IQs are independent of the IDs | |
4224 | * assigned to operational OQs. | |
4225 | */ | |
4226 | ctrl_info->event_queue.oq_id = next_oq_id++; | |
4227 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4228 | ctrl_info->queue_groups[i].iq_id[RAID_PATH] = next_iq_id++; | |
4229 | ctrl_info->queue_groups[i].iq_id[AIO_PATH] = next_iq_id++; | |
4230 | ctrl_info->queue_groups[i].oq_id = next_oq_id++; | |
4231 | } | |
4232 | ||
4233 | /* | |
4234 | * Assign MSI-X table entry indexes to all queues. Note that the | |
4235 | * interrupt for the event queue is shared with the first queue group. | |
4236 | */ | |
4237 | ctrl_info->event_queue.int_msg_num = 0; | |
4238 | for (i = 0; i < ctrl_info->num_queue_groups; i++) | |
4239 | ctrl_info->queue_groups[i].int_msg_num = i; | |
4240 | ||
4241 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4242 | spin_lock_init(&ctrl_info->queue_groups[i].submit_lock[0]); | |
4243 | spin_lock_init(&ctrl_info->queue_groups[i].submit_lock[1]); | |
4244 | INIT_LIST_HEAD(&ctrl_info->queue_groups[i].request_list[0]); | |
4245 | INIT_LIST_HEAD(&ctrl_info->queue_groups[i].request_list[1]); | |
4246 | } | |
4247 | } | |
4248 | ||
4249 | static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) | |
4250 | { | |
4251 | size_t alloc_length; | |
4252 | struct pqi_admin_queues_aligned *admin_queues_aligned; | |
4253 | struct pqi_admin_queues *admin_queues; | |
4254 | ||
4255 | alloc_length = sizeof(struct pqi_admin_queues_aligned) + | |
4256 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; | |
4257 | ||
4258 | ctrl_info->admin_queue_memory_base = | |
750afb08 LC |
4259 | dma_alloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, |
4260 | &ctrl_info->admin_queue_memory_base_dma_handle, | |
4261 | GFP_KERNEL); | |
6c223761 KB |
4262 | |
4263 | if (!ctrl_info->admin_queue_memory_base) | |
4264 | return -ENOMEM; | |
4265 | ||
4266 | ctrl_info->admin_queue_memory_length = alloc_length; | |
4267 | ||
4268 | admin_queues = &ctrl_info->admin_queues; | |
4269 | admin_queues_aligned = PTR_ALIGN(ctrl_info->admin_queue_memory_base, | |
4270 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4271 | admin_queues->iq_element_array = | |
4272 | &admin_queues_aligned->iq_element_array; | |
4273 | admin_queues->oq_element_array = | |
4274 | &admin_queues_aligned->oq_element_array; | |
583891c9 KB |
4275 | admin_queues->iq_ci = |
4276 | (pqi_index_t __iomem *)&admin_queues_aligned->iq_ci; | |
dac12fbc KB |
4277 | admin_queues->oq_pi = |
4278 | (pqi_index_t __iomem *)&admin_queues_aligned->oq_pi; | |
6c223761 KB |
4279 | |
4280 | admin_queues->iq_element_array_bus_addr = | |
4281 | ctrl_info->admin_queue_memory_base_dma_handle + | |
4282 | (admin_queues->iq_element_array - | |
4283 | ctrl_info->admin_queue_memory_base); | |
4284 | admin_queues->oq_element_array_bus_addr = | |
4285 | ctrl_info->admin_queue_memory_base_dma_handle + | |
4286 | (admin_queues->oq_element_array - | |
4287 | ctrl_info->admin_queue_memory_base); | |
4288 | admin_queues->iq_ci_bus_addr = | |
4289 | ctrl_info->admin_queue_memory_base_dma_handle + | |
583891c9 KB |
4290 | ((void __iomem *)admin_queues->iq_ci - |
4291 | (void __iomem *)ctrl_info->admin_queue_memory_base); | |
6c223761 KB |
4292 | admin_queues->oq_pi_bus_addr = |
4293 | ctrl_info->admin_queue_memory_base_dma_handle + | |
dac12fbc KB |
4294 | ((void __iomem *)admin_queues->oq_pi - |
4295 | (void __iomem *)ctrl_info->admin_queue_memory_base); | |
6c223761 KB |
4296 | |
4297 | return 0; | |
4298 | } | |
4299 | ||
42dc0426 | 4300 | #define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES HZ |
6c223761 KB |
4301 | #define PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS 1 |
4302 | ||
4303 | static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info) | |
4304 | { | |
4305 | struct pqi_device_registers __iomem *pqi_registers; | |
4306 | struct pqi_admin_queues *admin_queues; | |
4307 | unsigned long timeout; | |
4308 | u8 status; | |
4309 | u32 reg; | |
4310 | ||
4311 | pqi_registers = ctrl_info->pqi_registers; | |
4312 | admin_queues = &ctrl_info->admin_queues; | |
4313 | ||
4314 | writeq((u64)admin_queues->iq_element_array_bus_addr, | |
4315 | &pqi_registers->admin_iq_element_array_addr); | |
4316 | writeq((u64)admin_queues->oq_element_array_bus_addr, | |
4317 | &pqi_registers->admin_oq_element_array_addr); | |
4318 | writeq((u64)admin_queues->iq_ci_bus_addr, | |
4319 | &pqi_registers->admin_iq_ci_addr); | |
4320 | writeq((u64)admin_queues->oq_pi_bus_addr, | |
4321 | &pqi_registers->admin_oq_pi_addr); | |
4322 | ||
4323 | reg = PQI_ADMIN_IQ_NUM_ELEMENTS | | |
e655d469 | 4324 | (PQI_ADMIN_OQ_NUM_ELEMENTS << 8) | |
6c223761 KB |
4325 | (admin_queues->int_msg_num << 16); |
4326 | writel(reg, &pqi_registers->admin_iq_num_elements); | |
583891c9 | 4327 | |
6c223761 KB |
4328 | writel(PQI_CREATE_ADMIN_QUEUE_PAIR, |
4329 | &pqi_registers->function_and_status_code); | |
4330 | ||
4331 | timeout = PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES + jiffies; | |
4332 | while (1) { | |
987d3560 | 4333 | msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS); |
6c223761 KB |
4334 | status = readb(&pqi_registers->function_and_status_code); |
4335 | if (status == PQI_STATUS_IDLE) | |
4336 | break; | |
4337 | if (time_after(jiffies, timeout)) | |
4338 | return -ETIMEDOUT; | |
6c223761 KB |
4339 | } |
4340 | ||
4341 | /* | |
4342 | * The offset registers are not initialized to the correct | |
4343 | * offsets until *after* the create admin queue pair command | |
4344 | * completes successfully. | |
4345 | */ | |
4346 | admin_queues->iq_pi = ctrl_info->iomem_base + | |
4347 | PQI_DEVICE_REGISTERS_OFFSET + | |
4348 | readq(&pqi_registers->admin_iq_pi_offset); | |
4349 | admin_queues->oq_ci = ctrl_info->iomem_base + | |
4350 | PQI_DEVICE_REGISTERS_OFFSET + | |
4351 | readq(&pqi_registers->admin_oq_ci_offset); | |
4352 | ||
4353 | return 0; | |
4354 | } | |
4355 | ||
4356 | static void pqi_submit_admin_request(struct pqi_ctrl_info *ctrl_info, | |
4357 | struct pqi_general_admin_request *request) | |
4358 | { | |
4359 | struct pqi_admin_queues *admin_queues; | |
4360 | void *next_element; | |
4361 | pqi_index_t iq_pi; | |
4362 | ||
4363 | admin_queues = &ctrl_info->admin_queues; | |
4364 | iq_pi = admin_queues->iq_pi_copy; | |
4365 | ||
4366 | next_element = admin_queues->iq_element_array + | |
4367 | (iq_pi * PQI_ADMIN_IQ_ELEMENT_LENGTH); | |
4368 | ||
4369 | memcpy(next_element, request, sizeof(*request)); | |
4370 | ||
4371 | iq_pi = (iq_pi + 1) % PQI_ADMIN_IQ_NUM_ELEMENTS; | |
4372 | admin_queues->iq_pi_copy = iq_pi; | |
4373 | ||
4374 | /* | |
4375 | * This write notifies the controller that an IU is available to be | |
4376 | * processed. | |
4377 | */ | |
4378 | writel(iq_pi, admin_queues->iq_pi); | |
4379 | } | |
4380 | ||
13bede67 KB |
4381 | #define PQI_ADMIN_REQUEST_TIMEOUT_SECS 60 |
4382 | ||
6c223761 KB |
4383 | static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info, |
4384 | struct pqi_general_admin_response *response) | |
4385 | { | |
4386 | struct pqi_admin_queues *admin_queues; | |
4387 | pqi_index_t oq_pi; | |
4388 | pqi_index_t oq_ci; | |
4389 | unsigned long timeout; | |
4390 | ||
4391 | admin_queues = &ctrl_info->admin_queues; | |
4392 | oq_ci = admin_queues->oq_ci_copy; | |
4393 | ||
42dc0426 | 4394 | timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 KB |
4395 | |
4396 | while (1) { | |
dac12fbc | 4397 | oq_pi = readl(admin_queues->oq_pi); |
6c223761 KB |
4398 | if (oq_pi != oq_ci) |
4399 | break; | |
4400 | if (time_after(jiffies, timeout)) { | |
4401 | dev_err(&ctrl_info->pci_dev->dev, | |
4402 | "timed out waiting for admin response\n"); | |
4403 | return -ETIMEDOUT; | |
4404 | } | |
13bede67 KB |
4405 | if (!sis_is_firmware_running(ctrl_info)) |
4406 | return -ENXIO; | |
6c223761 KB |
4407 | usleep_range(1000, 2000); |
4408 | } | |
4409 | ||
4410 | memcpy(response, admin_queues->oq_element_array + | |
4411 | (oq_ci * PQI_ADMIN_OQ_ELEMENT_LENGTH), sizeof(*response)); | |
4412 | ||
4413 | oq_ci = (oq_ci + 1) % PQI_ADMIN_OQ_NUM_ELEMENTS; | |
4414 | admin_queues->oq_ci_copy = oq_ci; | |
4415 | writel(oq_ci, admin_queues->oq_ci); | |
4416 | ||
4417 | return 0; | |
4418 | } | |
4419 | ||
4420 | static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, | |
4421 | struct pqi_queue_group *queue_group, enum pqi_io_path path, | |
4422 | struct pqi_io_request *io_request) | |
4423 | { | |
4424 | struct pqi_io_request *next; | |
4425 | void *next_element; | |
4426 | pqi_index_t iq_pi; | |
4427 | pqi_index_t iq_ci; | |
4428 | size_t iu_length; | |
4429 | unsigned long flags; | |
4430 | unsigned int num_elements_needed; | |
4431 | unsigned int num_elements_to_end_of_queue; | |
4432 | size_t copy_count; | |
4433 | struct pqi_iu_header *request; | |
4434 | ||
4435 | spin_lock_irqsave(&queue_group->submit_lock[path], flags); | |
4436 | ||
376fb880 KB |
4437 | if (io_request) { |
4438 | io_request->queue_group = queue_group; | |
6c223761 KB |
4439 | list_add_tail(&io_request->request_list_entry, |
4440 | &queue_group->request_list[path]); | |
376fb880 | 4441 | } |
6c223761 KB |
4442 | |
4443 | iq_pi = queue_group->iq_pi_copy[path]; | |
4444 | ||
4445 | list_for_each_entry_safe(io_request, next, | |
4446 | &queue_group->request_list[path], request_list_entry) { | |
4447 | ||
4448 | request = io_request->iu; | |
4449 | ||
4450 | iu_length = get_unaligned_le16(&request->iu_length) + | |
4451 | PQI_REQUEST_HEADER_LENGTH; | |
4452 | num_elements_needed = | |
4453 | DIV_ROUND_UP(iu_length, | |
4454 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4455 | ||
dac12fbc | 4456 | iq_ci = readl(queue_group->iq_ci[path]); |
6c223761 KB |
4457 | |
4458 | if (num_elements_needed > pqi_num_elements_free(iq_pi, iq_ci, | |
4459 | ctrl_info->num_elements_per_iq)) | |
4460 | break; | |
4461 | ||
4462 | put_unaligned_le16(queue_group->oq_id, | |
4463 | &request->response_queue_id); | |
4464 | ||
4465 | next_element = queue_group->iq_element_array[path] + | |
4466 | (iq_pi * PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4467 | ||
4468 | num_elements_to_end_of_queue = | |
4469 | ctrl_info->num_elements_per_iq - iq_pi; | |
4470 | ||
4471 | if (num_elements_needed <= num_elements_to_end_of_queue) { | |
4472 | memcpy(next_element, request, iu_length); | |
4473 | } else { | |
4474 | copy_count = num_elements_to_end_of_queue * | |
4475 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH; | |
4476 | memcpy(next_element, request, copy_count); | |
4477 | memcpy(queue_group->iq_element_array[path], | |
4478 | (u8 *)request + copy_count, | |
4479 | iu_length - copy_count); | |
4480 | } | |
4481 | ||
4482 | iq_pi = (iq_pi + num_elements_needed) % | |
4483 | ctrl_info->num_elements_per_iq; | |
4484 | ||
4485 | list_del(&io_request->request_list_entry); | |
4486 | } | |
4487 | ||
4488 | if (iq_pi != queue_group->iq_pi_copy[path]) { | |
4489 | queue_group->iq_pi_copy[path] = iq_pi; | |
4490 | /* | |
4491 | * This write notifies the controller that one or more IUs are | |
4492 | * available to be processed. | |
4493 | */ | |
4494 | writel(iq_pi, queue_group->iq_pi[path]); | |
4495 | } | |
4496 | ||
4497 | spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); | |
4498 | } | |
4499 | ||
1f37e992 KB |
4500 | #define PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS 10 |
4501 | ||
4502 | static int pqi_wait_for_completion_io(struct pqi_ctrl_info *ctrl_info, | |
4503 | struct completion *wait) | |
4504 | { | |
4505 | int rc; | |
1f37e992 KB |
4506 | |
4507 | while (1) { | |
4508 | if (wait_for_completion_io_timeout(wait, | |
42dc0426 | 4509 | PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * HZ)) { |
1f37e992 KB |
4510 | rc = 0; |
4511 | break; | |
4512 | } | |
4513 | ||
4514 | pqi_check_ctrl_health(ctrl_info); | |
4515 | if (pqi_ctrl_offline(ctrl_info)) { | |
4516 | rc = -ENXIO; | |
4517 | break; | |
4518 | } | |
1f37e992 KB |
4519 | } |
4520 | ||
4521 | return rc; | |
4522 | } | |
4523 | ||
6c223761 KB |
4524 | static void pqi_raid_synchronous_complete(struct pqi_io_request *io_request, |
4525 | void *context) | |
4526 | { | |
4527 | struct completion *waiting = context; | |
4528 | ||
4529 | complete(waiting); | |
4530 | } | |
4531 | ||
694c5d5b KB |
4532 | static int pqi_process_raid_io_error_synchronous( |
4533 | struct pqi_raid_error_info *error_info) | |
26b390ab KB |
4534 | { |
4535 | int rc = -EIO; | |
4536 | ||
4537 | switch (error_info->data_out_result) { | |
4538 | case PQI_DATA_IN_OUT_GOOD: | |
4539 | if (error_info->status == SAM_STAT_GOOD) | |
4540 | rc = 0; | |
4541 | break; | |
4542 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
4543 | if (error_info->status == SAM_STAT_GOOD || | |
4544 | error_info->status == SAM_STAT_CHECK_CONDITION) | |
4545 | rc = 0; | |
4546 | break; | |
4547 | case PQI_DATA_IN_OUT_ABORTED: | |
4548 | rc = PQI_CMD_STATUS_ABORTED; | |
4549 | break; | |
4550 | } | |
4551 | ||
4552 | return rc; | |
4553 | } | |
4554 | ||
ae0c189d KB |
4555 | static inline bool pqi_is_blockable_request(struct pqi_iu_header *request) |
4556 | { | |
4557 | return (request->driver_flags & PQI_DRIVER_NONBLOCKABLE_REQUEST) == 0; | |
4558 | } | |
4559 | ||
6c223761 KB |
4560 | static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, |
4561 | struct pqi_iu_header *request, unsigned int flags, | |
ae0c189d | 4562 | struct pqi_raid_error_info *error_info) |
6c223761 | 4563 | { |
957c5ab1 | 4564 | int rc = 0; |
6c223761 | 4565 | struct pqi_io_request *io_request; |
6c223761 | 4566 | size_t iu_length; |
957c5ab1 | 4567 | DECLARE_COMPLETION_ONSTACK(wait); |
6c223761 | 4568 | |
6c223761 KB |
4569 | if (flags & PQI_SYNC_FLAGS_INTERRUPTABLE) { |
4570 | if (down_interruptible(&ctrl_info->sync_request_sem)) | |
4571 | return -ERESTARTSYS; | |
4572 | } else { | |
ae0c189d | 4573 | down(&ctrl_info->sync_request_sem); |
6c223761 KB |
4574 | } |
4575 | ||
7561a7e4 | 4576 | pqi_ctrl_busy(ctrl_info); |
ae0c189d KB |
4577 | /* |
4578 | * Wait for other admin queue updates such as; | |
4579 | * config table changes, OFA memory updates, ... | |
4580 | */ | |
4581 | if (pqi_is_blockable_request(request)) | |
4582 | pqi_wait_if_ctrl_blocked(ctrl_info); | |
7561a7e4 | 4583 | |
376fb880 KB |
4584 | if (pqi_ctrl_offline(ctrl_info)) { |
4585 | rc = -ENXIO; | |
4586 | goto out; | |
4587 | } | |
4588 | ||
6c223761 KB |
4589 | io_request = pqi_alloc_io_request(ctrl_info); |
4590 | ||
4591 | put_unaligned_le16(io_request->index, | |
4592 | &(((struct pqi_raid_path_request *)request)->request_id)); | |
4593 | ||
4594 | if (request->iu_type == PQI_REQUEST_IU_RAID_PATH_IO) | |
4595 | ((struct pqi_raid_path_request *)request)->error_index = | |
4596 | ((struct pqi_raid_path_request *)request)->request_id; | |
4597 | ||
4598 | iu_length = get_unaligned_le16(&request->iu_length) + | |
4599 | PQI_REQUEST_HEADER_LENGTH; | |
4600 | memcpy(io_request->iu, request, iu_length); | |
4601 | ||
957c5ab1 KB |
4602 | io_request->io_complete_callback = pqi_raid_synchronous_complete; |
4603 | io_request->context = &wait; | |
4604 | ||
583891c9 | 4605 | pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, |
957c5ab1 KB |
4606 | io_request); |
4607 | ||
ae0c189d | 4608 | pqi_wait_for_completion_io(ctrl_info, &wait); |
6c223761 KB |
4609 | |
4610 | if (error_info) { | |
4611 | if (io_request->error_info) | |
583891c9 | 4612 | memcpy(error_info, io_request->error_info, sizeof(*error_info)); |
6c223761 KB |
4613 | else |
4614 | memset(error_info, 0, sizeof(*error_info)); | |
4615 | } else if (rc == 0 && io_request->error_info) { | |
583891c9 | 4616 | rc = pqi_process_raid_io_error_synchronous(io_request->error_info); |
6c223761 KB |
4617 | } |
4618 | ||
4619 | pqi_free_io_request(io_request); | |
4620 | ||
7561a7e4 | 4621 | out: |
ae0c189d | 4622 | pqi_ctrl_unbusy(ctrl_info); |
6c223761 KB |
4623 | up(&ctrl_info->sync_request_sem); |
4624 | ||
4625 | return rc; | |
4626 | } | |
4627 | ||
4628 | static int pqi_validate_admin_response( | |
4629 | struct pqi_general_admin_response *response, u8 expected_function_code) | |
4630 | { | |
4631 | if (response->header.iu_type != PQI_RESPONSE_IU_GENERAL_ADMIN) | |
4632 | return -EINVAL; | |
4633 | ||
4634 | if (get_unaligned_le16(&response->header.iu_length) != | |
4635 | PQI_GENERAL_ADMIN_IU_LENGTH) | |
4636 | return -EINVAL; | |
4637 | ||
4638 | if (response->function_code != expected_function_code) | |
4639 | return -EINVAL; | |
4640 | ||
4641 | if (response->status != PQI_GENERAL_ADMIN_STATUS_SUCCESS) | |
4642 | return -EINVAL; | |
4643 | ||
4644 | return 0; | |
4645 | } | |
4646 | ||
4647 | static int pqi_submit_admin_request_synchronous( | |
4648 | struct pqi_ctrl_info *ctrl_info, | |
4649 | struct pqi_general_admin_request *request, | |
4650 | struct pqi_general_admin_response *response) | |
4651 | { | |
4652 | int rc; | |
4653 | ||
4654 | pqi_submit_admin_request(ctrl_info, request); | |
4655 | ||
4656 | rc = pqi_poll_for_admin_response(ctrl_info, response); | |
4657 | ||
4658 | if (rc == 0) | |
ae0c189d | 4659 | rc = pqi_validate_admin_response(response, request->function_code); |
6c223761 KB |
4660 | |
4661 | return rc; | |
4662 | } | |
4663 | ||
4664 | static int pqi_report_device_capability(struct pqi_ctrl_info *ctrl_info) | |
4665 | { | |
4666 | int rc; | |
4667 | struct pqi_general_admin_request request; | |
4668 | struct pqi_general_admin_response response; | |
4669 | struct pqi_device_capability *capability; | |
4670 | struct pqi_iu_layer_descriptor *sop_iu_layer_descriptor; | |
4671 | ||
4672 | capability = kmalloc(sizeof(*capability), GFP_KERNEL); | |
4673 | if (!capability) | |
4674 | return -ENOMEM; | |
4675 | ||
4676 | memset(&request, 0, sizeof(request)); | |
4677 | ||
4678 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4679 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4680 | &request.header.iu_length); | |
4681 | request.function_code = | |
4682 | PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY; | |
4683 | put_unaligned_le32(sizeof(*capability), | |
4684 | &request.data.report_device_capability.buffer_length); | |
4685 | ||
4686 | rc = pqi_map_single(ctrl_info->pci_dev, | |
4687 | &request.data.report_device_capability.sg_descriptor, | |
4688 | capability, sizeof(*capability), | |
6917a9cc | 4689 | DMA_FROM_DEVICE); |
6c223761 KB |
4690 | if (rc) |
4691 | goto out; | |
4692 | ||
583891c9 | 4693 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, &response); |
6c223761 KB |
4694 | |
4695 | pqi_pci_unmap(ctrl_info->pci_dev, | |
4696 | &request.data.report_device_capability.sg_descriptor, 1, | |
6917a9cc | 4697 | DMA_FROM_DEVICE); |
6c223761 KB |
4698 | |
4699 | if (rc) | |
4700 | goto out; | |
4701 | ||
4702 | if (response.status != PQI_GENERAL_ADMIN_STATUS_SUCCESS) { | |
4703 | rc = -EIO; | |
4704 | goto out; | |
4705 | } | |
4706 | ||
4707 | ctrl_info->max_inbound_queues = | |
4708 | get_unaligned_le16(&capability->max_inbound_queues); | |
4709 | ctrl_info->max_elements_per_iq = | |
4710 | get_unaligned_le16(&capability->max_elements_per_iq); | |
4711 | ctrl_info->max_iq_element_length = | |
4712 | get_unaligned_le16(&capability->max_iq_element_length) | |
4713 | * 16; | |
4714 | ctrl_info->max_outbound_queues = | |
4715 | get_unaligned_le16(&capability->max_outbound_queues); | |
4716 | ctrl_info->max_elements_per_oq = | |
4717 | get_unaligned_le16(&capability->max_elements_per_oq); | |
4718 | ctrl_info->max_oq_element_length = | |
4719 | get_unaligned_le16(&capability->max_oq_element_length) | |
4720 | * 16; | |
4721 | ||
4722 | sop_iu_layer_descriptor = | |
4723 | &capability->iu_layer_descriptors[PQI_PROTOCOL_SOP]; | |
4724 | ||
4725 | ctrl_info->max_inbound_iu_length_per_firmware = | |
4726 | get_unaligned_le16( | |
4727 | &sop_iu_layer_descriptor->max_inbound_iu_length); | |
4728 | ctrl_info->inbound_spanning_supported = | |
4729 | sop_iu_layer_descriptor->inbound_spanning_supported; | |
4730 | ctrl_info->outbound_spanning_supported = | |
4731 | sop_iu_layer_descriptor->outbound_spanning_supported; | |
4732 | ||
4733 | out: | |
4734 | kfree(capability); | |
4735 | ||
4736 | return rc; | |
4737 | } | |
4738 | ||
4739 | static int pqi_validate_device_capability(struct pqi_ctrl_info *ctrl_info) | |
4740 | { | |
4741 | if (ctrl_info->max_iq_element_length < | |
4742 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) { | |
4743 | dev_err(&ctrl_info->pci_dev->dev, | |
4744 | "max. inbound queue element length of %d is less than the required length of %d\n", | |
4745 | ctrl_info->max_iq_element_length, | |
4746 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4747 | return -EINVAL; | |
4748 | } | |
4749 | ||
4750 | if (ctrl_info->max_oq_element_length < | |
4751 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH) { | |
4752 | dev_err(&ctrl_info->pci_dev->dev, | |
4753 | "max. outbound queue element length of %d is less than the required length of %d\n", | |
4754 | ctrl_info->max_oq_element_length, | |
4755 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); | |
4756 | return -EINVAL; | |
4757 | } | |
4758 | ||
4759 | if (ctrl_info->max_inbound_iu_length_per_firmware < | |
4760 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) { | |
4761 | dev_err(&ctrl_info->pci_dev->dev, | |
4762 | "max. inbound IU length of %u is less than the min. required length of %d\n", | |
4763 | ctrl_info->max_inbound_iu_length_per_firmware, | |
4764 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4765 | return -EINVAL; | |
4766 | } | |
4767 | ||
77668f41 KB |
4768 | if (!ctrl_info->inbound_spanning_supported) { |
4769 | dev_err(&ctrl_info->pci_dev->dev, | |
4770 | "the controller does not support inbound spanning\n"); | |
4771 | return -EINVAL; | |
4772 | } | |
4773 | ||
4774 | if (ctrl_info->outbound_spanning_supported) { | |
4775 | dev_err(&ctrl_info->pci_dev->dev, | |
4776 | "the controller supports outbound spanning but this driver does not\n"); | |
4777 | return -EINVAL; | |
4778 | } | |
4779 | ||
6c223761 KB |
4780 | return 0; |
4781 | } | |
4782 | ||
6c223761 KB |
4783 | static int pqi_create_event_queue(struct pqi_ctrl_info *ctrl_info) |
4784 | { | |
4785 | int rc; | |
4786 | struct pqi_event_queue *event_queue; | |
4787 | struct pqi_general_admin_request request; | |
4788 | struct pqi_general_admin_response response; | |
4789 | ||
4790 | event_queue = &ctrl_info->event_queue; | |
4791 | ||
4792 | /* | |
4793 | * Create OQ (Outbound Queue - device to host queue) to dedicate | |
4794 | * to events. | |
4795 | */ | |
4796 | memset(&request, 0, sizeof(request)); | |
4797 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4798 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4799 | &request.header.iu_length); | |
4800 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ; | |
4801 | put_unaligned_le16(event_queue->oq_id, | |
4802 | &request.data.create_operational_oq.queue_id); | |
4803 | put_unaligned_le64((u64)event_queue->oq_element_array_bus_addr, | |
4804 | &request.data.create_operational_oq.element_array_addr); | |
4805 | put_unaligned_le64((u64)event_queue->oq_pi_bus_addr, | |
4806 | &request.data.create_operational_oq.pi_addr); | |
4807 | put_unaligned_le16(PQI_NUM_EVENT_QUEUE_ELEMENTS, | |
4808 | &request.data.create_operational_oq.num_elements); | |
4809 | put_unaligned_le16(PQI_EVENT_OQ_ELEMENT_LENGTH / 16, | |
4810 | &request.data.create_operational_oq.element_length); | |
4811 | request.data.create_operational_oq.queue_protocol = PQI_PROTOCOL_SOP; | |
4812 | put_unaligned_le16(event_queue->int_msg_num, | |
4813 | &request.data.create_operational_oq.int_msg_num); | |
4814 | ||
4815 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4816 | &response); | |
4817 | if (rc) | |
4818 | return rc; | |
4819 | ||
4820 | event_queue->oq_ci = ctrl_info->iomem_base + | |
4821 | PQI_DEVICE_REGISTERS_OFFSET + | |
4822 | get_unaligned_le64( | |
4823 | &response.data.create_operational_oq.oq_ci_offset); | |
4824 | ||
4825 | return 0; | |
4826 | } | |
4827 | ||
061ef06a KB |
4828 | static int pqi_create_queue_group(struct pqi_ctrl_info *ctrl_info, |
4829 | unsigned int group_number) | |
6c223761 | 4830 | { |
6c223761 KB |
4831 | int rc; |
4832 | struct pqi_queue_group *queue_group; | |
4833 | struct pqi_general_admin_request request; | |
4834 | struct pqi_general_admin_response response; | |
4835 | ||
061ef06a | 4836 | queue_group = &ctrl_info->queue_groups[group_number]; |
6c223761 KB |
4837 | |
4838 | /* | |
4839 | * Create IQ (Inbound Queue - host to device queue) for | |
4840 | * RAID path. | |
4841 | */ | |
4842 | memset(&request, 0, sizeof(request)); | |
4843 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4844 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4845 | &request.header.iu_length); | |
4846 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ; | |
4847 | put_unaligned_le16(queue_group->iq_id[RAID_PATH], | |
4848 | &request.data.create_operational_iq.queue_id); | |
4849 | put_unaligned_le64( | |
4850 | (u64)queue_group->iq_element_array_bus_addr[RAID_PATH], | |
4851 | &request.data.create_operational_iq.element_array_addr); | |
4852 | put_unaligned_le64((u64)queue_group->iq_ci_bus_addr[RAID_PATH], | |
4853 | &request.data.create_operational_iq.ci_addr); | |
4854 | put_unaligned_le16(ctrl_info->num_elements_per_iq, | |
4855 | &request.data.create_operational_iq.num_elements); | |
4856 | put_unaligned_le16(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH / 16, | |
4857 | &request.data.create_operational_iq.element_length); | |
4858 | request.data.create_operational_iq.queue_protocol = PQI_PROTOCOL_SOP; | |
4859 | ||
4860 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4861 | &response); | |
4862 | if (rc) { | |
4863 | dev_err(&ctrl_info->pci_dev->dev, | |
4864 | "error creating inbound RAID queue\n"); | |
4865 | return rc; | |
4866 | } | |
4867 | ||
4868 | queue_group->iq_pi[RAID_PATH] = ctrl_info->iomem_base + | |
4869 | PQI_DEVICE_REGISTERS_OFFSET + | |
4870 | get_unaligned_le64( | |
4871 | &response.data.create_operational_iq.iq_pi_offset); | |
4872 | ||
4873 | /* | |
4874 | * Create IQ (Inbound Queue - host to device queue) for | |
4875 | * Advanced I/O (AIO) path. | |
4876 | */ | |
4877 | memset(&request, 0, sizeof(request)); | |
4878 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4879 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4880 | &request.header.iu_length); | |
4881 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ; | |
4882 | put_unaligned_le16(queue_group->iq_id[AIO_PATH], | |
4883 | &request.data.create_operational_iq.queue_id); | |
4884 | put_unaligned_le64((u64)queue_group-> | |
4885 | iq_element_array_bus_addr[AIO_PATH], | |
4886 | &request.data.create_operational_iq.element_array_addr); | |
4887 | put_unaligned_le64((u64)queue_group->iq_ci_bus_addr[AIO_PATH], | |
4888 | &request.data.create_operational_iq.ci_addr); | |
4889 | put_unaligned_le16(ctrl_info->num_elements_per_iq, | |
4890 | &request.data.create_operational_iq.num_elements); | |
4891 | put_unaligned_le16(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH / 16, | |
4892 | &request.data.create_operational_iq.element_length); | |
4893 | request.data.create_operational_iq.queue_protocol = PQI_PROTOCOL_SOP; | |
4894 | ||
4895 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4896 | &response); | |
4897 | if (rc) { | |
4898 | dev_err(&ctrl_info->pci_dev->dev, | |
4899 | "error creating inbound AIO queue\n"); | |
339faa81 | 4900 | return rc; |
6c223761 KB |
4901 | } |
4902 | ||
4903 | queue_group->iq_pi[AIO_PATH] = ctrl_info->iomem_base + | |
4904 | PQI_DEVICE_REGISTERS_OFFSET + | |
4905 | get_unaligned_le64( | |
4906 | &response.data.create_operational_iq.iq_pi_offset); | |
4907 | ||
4908 | /* | |
4909 | * Designate the 2nd IQ as the AIO path. By default, all IQs are | |
4910 | * assumed to be for RAID path I/O unless we change the queue's | |
4911 | * property. | |
4912 | */ | |
4913 | memset(&request, 0, sizeof(request)); | |
4914 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4915 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4916 | &request.header.iu_length); | |
4917 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CHANGE_IQ_PROPERTY; | |
4918 | put_unaligned_le16(queue_group->iq_id[AIO_PATH], | |
4919 | &request.data.change_operational_iq_properties.queue_id); | |
4920 | put_unaligned_le32(PQI_IQ_PROPERTY_IS_AIO_QUEUE, | |
4921 | &request.data.change_operational_iq_properties.vendor_specific); | |
4922 | ||
4923 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4924 | &response); | |
4925 | if (rc) { | |
4926 | dev_err(&ctrl_info->pci_dev->dev, | |
4927 | "error changing queue property\n"); | |
339faa81 | 4928 | return rc; |
6c223761 KB |
4929 | } |
4930 | ||
4931 | /* | |
4932 | * Create OQ (Outbound Queue - device to host queue). | |
4933 | */ | |
4934 | memset(&request, 0, sizeof(request)); | |
4935 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4936 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4937 | &request.header.iu_length); | |
4938 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ; | |
4939 | put_unaligned_le16(queue_group->oq_id, | |
4940 | &request.data.create_operational_oq.queue_id); | |
4941 | put_unaligned_le64((u64)queue_group->oq_element_array_bus_addr, | |
4942 | &request.data.create_operational_oq.element_array_addr); | |
4943 | put_unaligned_le64((u64)queue_group->oq_pi_bus_addr, | |
4944 | &request.data.create_operational_oq.pi_addr); | |
4945 | put_unaligned_le16(ctrl_info->num_elements_per_oq, | |
4946 | &request.data.create_operational_oq.num_elements); | |
4947 | put_unaligned_le16(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH / 16, | |
4948 | &request.data.create_operational_oq.element_length); | |
4949 | request.data.create_operational_oq.queue_protocol = PQI_PROTOCOL_SOP; | |
4950 | put_unaligned_le16(queue_group->int_msg_num, | |
4951 | &request.data.create_operational_oq.int_msg_num); | |
4952 | ||
4953 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4954 | &response); | |
4955 | if (rc) { | |
4956 | dev_err(&ctrl_info->pci_dev->dev, | |
4957 | "error creating outbound queue\n"); | |
339faa81 | 4958 | return rc; |
6c223761 KB |
4959 | } |
4960 | ||
4961 | queue_group->oq_ci = ctrl_info->iomem_base + | |
4962 | PQI_DEVICE_REGISTERS_OFFSET + | |
4963 | get_unaligned_le64( | |
4964 | &response.data.create_operational_oq.oq_ci_offset); | |
4965 | ||
6c223761 | 4966 | return 0; |
6c223761 KB |
4967 | } |
4968 | ||
4969 | static int pqi_create_queues(struct pqi_ctrl_info *ctrl_info) | |
4970 | { | |
4971 | int rc; | |
4972 | unsigned int i; | |
4973 | ||
4974 | rc = pqi_create_event_queue(ctrl_info); | |
4975 | if (rc) { | |
4976 | dev_err(&ctrl_info->pci_dev->dev, | |
4977 | "error creating event queue\n"); | |
4978 | return rc; | |
4979 | } | |
4980 | ||
4981 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
061ef06a | 4982 | rc = pqi_create_queue_group(ctrl_info, i); |
6c223761 KB |
4983 | if (rc) { |
4984 | dev_err(&ctrl_info->pci_dev->dev, | |
4985 | "error creating queue group number %u/%u\n", | |
4986 | i, ctrl_info->num_queue_groups); | |
4987 | return rc; | |
4988 | } | |
4989 | } | |
4990 | ||
4991 | return 0; | |
4992 | } | |
4993 | ||
4994 | #define PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH \ | |
5f492a7a | 4995 | struct_size((struct pqi_event_config *)0, descriptors, PQI_MAX_EVENT_DESCRIPTORS) |
6c223761 | 4996 | |
6a50d6ad KB |
4997 | static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, |
4998 | bool enable_events) | |
6c223761 KB |
4999 | { |
5000 | int rc; | |
5001 | unsigned int i; | |
5002 | struct pqi_event_config *event_config; | |
6a50d6ad | 5003 | struct pqi_event_descriptor *event_descriptor; |
6c223761 KB |
5004 | struct pqi_general_management_request request; |
5005 | ||
5006 | event_config = kmalloc(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5007 | GFP_KERNEL); | |
5008 | if (!event_config) | |
5009 | return -ENOMEM; | |
5010 | ||
5011 | memset(&request, 0, sizeof(request)); | |
5012 | ||
5013 | request.header.iu_type = PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG; | |
5014 | put_unaligned_le16(offsetof(struct pqi_general_management_request, | |
5015 | data.report_event_configuration.sg_descriptors[1]) - | |
5016 | PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); | |
5017 | put_unaligned_le32(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5018 | &request.data.report_event_configuration.buffer_length); | |
5019 | ||
5020 | rc = pqi_map_single(ctrl_info->pci_dev, | |
5021 | request.data.report_event_configuration.sg_descriptors, | |
5022 | event_config, PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
6917a9cc | 5023 | DMA_FROM_DEVICE); |
6c223761 KB |
5024 | if (rc) |
5025 | goto out; | |
5026 | ||
ae0c189d | 5027 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 KB |
5028 | |
5029 | pqi_pci_unmap(ctrl_info->pci_dev, | |
5030 | request.data.report_event_configuration.sg_descriptors, 1, | |
6917a9cc | 5031 | DMA_FROM_DEVICE); |
6c223761 KB |
5032 | |
5033 | if (rc) | |
5034 | goto out; | |
5035 | ||
6a50d6ad KB |
5036 | for (i = 0; i < event_config->num_event_descriptors; i++) { |
5037 | event_descriptor = &event_config->descriptors[i]; | |
5038 | if (enable_events && | |
5039 | pqi_is_supported_event(event_descriptor->event_type)) | |
583891c9 | 5040 | put_unaligned_le16(ctrl_info->event_queue.oq_id, |
6a50d6ad KB |
5041 | &event_descriptor->oq_id); |
5042 | else | |
5043 | put_unaligned_le16(0, &event_descriptor->oq_id); | |
5044 | } | |
6c223761 KB |
5045 | |
5046 | memset(&request, 0, sizeof(request)); | |
5047 | ||
5048 | request.header.iu_type = PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG; | |
5049 | put_unaligned_le16(offsetof(struct pqi_general_management_request, | |
5050 | data.report_event_configuration.sg_descriptors[1]) - | |
5051 | PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); | |
5052 | put_unaligned_le32(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5053 | &request.data.report_event_configuration.buffer_length); | |
5054 | ||
5055 | rc = pqi_map_single(ctrl_info->pci_dev, | |
5056 | request.data.report_event_configuration.sg_descriptors, | |
5057 | event_config, PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
6917a9cc | 5058 | DMA_TO_DEVICE); |
6c223761 KB |
5059 | if (rc) |
5060 | goto out; | |
5061 | ||
ae0c189d | 5062 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 KB |
5063 | |
5064 | pqi_pci_unmap(ctrl_info->pci_dev, | |
5065 | request.data.report_event_configuration.sg_descriptors, 1, | |
6917a9cc | 5066 | DMA_TO_DEVICE); |
6c223761 KB |
5067 | |
5068 | out: | |
5069 | kfree(event_config); | |
5070 | ||
5071 | return rc; | |
5072 | } | |
5073 | ||
6a50d6ad KB |
5074 | static inline int pqi_enable_events(struct pqi_ctrl_info *ctrl_info) |
5075 | { | |
5076 | return pqi_configure_events(ctrl_info, true); | |
5077 | } | |
5078 | ||
6c223761 KB |
5079 | static void pqi_free_all_io_requests(struct pqi_ctrl_info *ctrl_info) |
5080 | { | |
5081 | unsigned int i; | |
5082 | struct device *dev; | |
5083 | size_t sg_chain_buffer_length; | |
5084 | struct pqi_io_request *io_request; | |
5085 | ||
5086 | if (!ctrl_info->io_request_pool) | |
5087 | return; | |
5088 | ||
5089 | dev = &ctrl_info->pci_dev->dev; | |
5090 | sg_chain_buffer_length = ctrl_info->sg_chain_buffer_length; | |
5091 | io_request = ctrl_info->io_request_pool; | |
5092 | ||
5093 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
5094 | kfree(io_request->iu); | |
5095 | if (!io_request->sg_chain_buffer) | |
5096 | break; | |
5097 | dma_free_coherent(dev, sg_chain_buffer_length, | |
5098 | io_request->sg_chain_buffer, | |
5099 | io_request->sg_chain_buffer_dma_handle); | |
5100 | io_request++; | |
5101 | } | |
5102 | ||
5103 | kfree(ctrl_info->io_request_pool); | |
5104 | ctrl_info->io_request_pool = NULL; | |
5105 | } | |
5106 | ||
5107 | static inline int pqi_alloc_error_buffer(struct pqi_ctrl_info *ctrl_info) | |
5108 | { | |
694c5d5b KB |
5109 | ctrl_info->error_buffer = dma_alloc_coherent(&ctrl_info->pci_dev->dev, |
5110 | ctrl_info->error_buffer_length, | |
5111 | &ctrl_info->error_buffer_dma_handle, | |
5112 | GFP_KERNEL); | |
6c223761 KB |
5113 | if (!ctrl_info->error_buffer) |
5114 | return -ENOMEM; | |
5115 | ||
5116 | return 0; | |
5117 | } | |
5118 | ||
5119 | static int pqi_alloc_io_resources(struct pqi_ctrl_info *ctrl_info) | |
5120 | { | |
5121 | unsigned int i; | |
5122 | void *sg_chain_buffer; | |
5123 | size_t sg_chain_buffer_length; | |
5124 | dma_addr_t sg_chain_buffer_dma_handle; | |
5125 | struct device *dev; | |
5126 | struct pqi_io_request *io_request; | |
5127 | ||
583891c9 KB |
5128 | ctrl_info->io_request_pool = kcalloc(ctrl_info->max_io_slots, |
5129 | sizeof(ctrl_info->io_request_pool[0]), GFP_KERNEL); | |
6c223761 KB |
5130 | |
5131 | if (!ctrl_info->io_request_pool) { | |
5132 | dev_err(&ctrl_info->pci_dev->dev, | |
5133 | "failed to allocate I/O request pool\n"); | |
5134 | goto error; | |
5135 | } | |
5136 | ||
5137 | dev = &ctrl_info->pci_dev->dev; | |
5138 | sg_chain_buffer_length = ctrl_info->sg_chain_buffer_length; | |
5139 | io_request = ctrl_info->io_request_pool; | |
5140 | ||
5141 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
583891c9 | 5142 | io_request->iu = kmalloc(ctrl_info->max_inbound_iu_length, GFP_KERNEL); |
6c223761 KB |
5143 | |
5144 | if (!io_request->iu) { | |
5145 | dev_err(&ctrl_info->pci_dev->dev, | |
5146 | "failed to allocate IU buffers\n"); | |
5147 | goto error; | |
5148 | } | |
5149 | ||
5150 | sg_chain_buffer = dma_alloc_coherent(dev, | |
5151 | sg_chain_buffer_length, &sg_chain_buffer_dma_handle, | |
5152 | GFP_KERNEL); | |
5153 | ||
5154 | if (!sg_chain_buffer) { | |
5155 | dev_err(&ctrl_info->pci_dev->dev, | |
5156 | "failed to allocate PQI scatter-gather chain buffers\n"); | |
5157 | goto error; | |
5158 | } | |
5159 | ||
5160 | io_request->index = i; | |
5161 | io_request->sg_chain_buffer = sg_chain_buffer; | |
583891c9 | 5162 | io_request->sg_chain_buffer_dma_handle = sg_chain_buffer_dma_handle; |
6c223761 KB |
5163 | io_request++; |
5164 | } | |
5165 | ||
5166 | return 0; | |
5167 | ||
5168 | error: | |
5169 | pqi_free_all_io_requests(ctrl_info); | |
5170 | ||
5171 | return -ENOMEM; | |
5172 | } | |
5173 | ||
5174 | /* | |
5175 | * Calculate required resources that are sized based on max. outstanding | |
5176 | * requests and max. transfer size. | |
5177 | */ | |
5178 | ||
5179 | static void pqi_calculate_io_resources(struct pqi_ctrl_info *ctrl_info) | |
5180 | { | |
5181 | u32 max_transfer_size; | |
5182 | u32 max_sg_entries; | |
5183 | ||
5184 | ctrl_info->scsi_ml_can_queue = | |
5185 | ctrl_info->max_outstanding_requests - PQI_RESERVED_IO_SLOTS; | |
5186 | ctrl_info->max_io_slots = ctrl_info->max_outstanding_requests; | |
5187 | ||
5188 | ctrl_info->error_buffer_length = | |
5189 | ctrl_info->max_io_slots * PQI_ERROR_BUFFER_ELEMENT_LENGTH; | |
5190 | ||
d727a776 KB |
5191 | if (reset_devices) |
5192 | max_transfer_size = min(ctrl_info->max_transfer_size, | |
5193 | PQI_MAX_TRANSFER_SIZE_KDUMP); | |
5194 | else | |
5195 | max_transfer_size = min(ctrl_info->max_transfer_size, | |
5196 | PQI_MAX_TRANSFER_SIZE); | |
6c223761 KB |
5197 | |
5198 | max_sg_entries = max_transfer_size / PAGE_SIZE; | |
5199 | ||
5200 | /* +1 to cover when the buffer is not page-aligned. */ | |
5201 | max_sg_entries++; | |
5202 | ||
5203 | max_sg_entries = min(ctrl_info->max_sg_entries, max_sg_entries); | |
5204 | ||
5205 | max_transfer_size = (max_sg_entries - 1) * PAGE_SIZE; | |
5206 | ||
5207 | ctrl_info->sg_chain_buffer_length = | |
e1d213bd KB |
5208 | (max_sg_entries * sizeof(struct pqi_sg_descriptor)) + |
5209 | PQI_EXTRA_SGL_MEMORY; | |
6c223761 KB |
5210 | ctrl_info->sg_tablesize = max_sg_entries; |
5211 | ctrl_info->max_sectors = max_transfer_size / 512; | |
5212 | } | |
5213 | ||
5214 | static void pqi_calculate_queue_resources(struct pqi_ctrl_info *ctrl_info) | |
5215 | { | |
6c223761 KB |
5216 | int num_queue_groups; |
5217 | u16 num_elements_per_iq; | |
5218 | u16 num_elements_per_oq; | |
5219 | ||
d727a776 KB |
5220 | if (reset_devices) { |
5221 | num_queue_groups = 1; | |
5222 | } else { | |
5223 | int num_cpus; | |
5224 | int max_queue_groups; | |
5225 | ||
5226 | max_queue_groups = min(ctrl_info->max_inbound_queues / 2, | |
5227 | ctrl_info->max_outbound_queues - 1); | |
5228 | max_queue_groups = min(max_queue_groups, PQI_MAX_QUEUE_GROUPS); | |
6c223761 | 5229 | |
d727a776 KB |
5230 | num_cpus = num_online_cpus(); |
5231 | num_queue_groups = min(num_cpus, ctrl_info->max_msix_vectors); | |
5232 | num_queue_groups = min(num_queue_groups, max_queue_groups); | |
5233 | } | |
6c223761 KB |
5234 | |
5235 | ctrl_info->num_queue_groups = num_queue_groups; | |
061ef06a | 5236 | ctrl_info->max_hw_queue_index = num_queue_groups - 1; |
6c223761 | 5237 | |
77668f41 KB |
5238 | /* |
5239 | * Make sure that the max. inbound IU length is an even multiple | |
5240 | * of our inbound element length. | |
5241 | */ | |
5242 | ctrl_info->max_inbound_iu_length = | |
5243 | (ctrl_info->max_inbound_iu_length_per_firmware / | |
5244 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) * | |
5245 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH; | |
6c223761 KB |
5246 | |
5247 | num_elements_per_iq = | |
5248 | (ctrl_info->max_inbound_iu_length / | |
5249 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
5250 | ||
5251 | /* Add one because one element in each queue is unusable. */ | |
5252 | num_elements_per_iq++; | |
5253 | ||
5254 | num_elements_per_iq = min(num_elements_per_iq, | |
5255 | ctrl_info->max_elements_per_iq); | |
5256 | ||
5257 | num_elements_per_oq = ((num_elements_per_iq - 1) * 2) + 1; | |
5258 | num_elements_per_oq = min(num_elements_per_oq, | |
5259 | ctrl_info->max_elements_per_oq); | |
5260 | ||
5261 | ctrl_info->num_elements_per_iq = num_elements_per_iq; | |
5262 | ctrl_info->num_elements_per_oq = num_elements_per_oq; | |
5263 | ||
5264 | ctrl_info->max_sg_per_iu = | |
5265 | ((ctrl_info->max_inbound_iu_length - | |
5266 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / | |
5267 | sizeof(struct pqi_sg_descriptor)) + | |
5268 | PQI_MAX_EMBEDDED_SG_DESCRIPTORS; | |
6702d2c4 DB |
5269 | |
5270 | ctrl_info->max_sg_per_r56_iu = | |
5271 | ((ctrl_info->max_inbound_iu_length - | |
5272 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / | |
5273 | sizeof(struct pqi_sg_descriptor)) + | |
5274 | PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS; | |
6c223761 KB |
5275 | } |
5276 | ||
583891c9 KB |
5277 | static inline void pqi_set_sg_descriptor(struct pqi_sg_descriptor *sg_descriptor, |
5278 | struct scatterlist *sg) | |
6c223761 KB |
5279 | { |
5280 | u64 address = (u64)sg_dma_address(sg); | |
5281 | unsigned int length = sg_dma_len(sg); | |
5282 | ||
5283 | put_unaligned_le64(address, &sg_descriptor->address); | |
5284 | put_unaligned_le32(length, &sg_descriptor->length); | |
5285 | put_unaligned_le32(0, &sg_descriptor->flags); | |
5286 | } | |
5287 | ||
1a22bc4b DB |
5288 | static unsigned int pqi_build_sg_list(struct pqi_sg_descriptor *sg_descriptor, |
5289 | struct scatterlist *sg, int sg_count, struct pqi_io_request *io_request, | |
5290 | int max_sg_per_iu, bool *chained) | |
6c223761 KB |
5291 | { |
5292 | int i; | |
6c223761 | 5293 | unsigned int num_sg_in_iu; |
6c223761 | 5294 | |
1a22bc4b | 5295 | *chained = false; |
6c223761 | 5296 | i = 0; |
1a22bc4b DB |
5297 | num_sg_in_iu = 0; |
5298 | max_sg_per_iu--; /* Subtract 1 to leave room for chain marker. */ | |
6c223761 KB |
5299 | |
5300 | while (1) { | |
5301 | pqi_set_sg_descriptor(sg_descriptor, sg); | |
1a22bc4b | 5302 | if (!*chained) |
6c223761 KB |
5303 | num_sg_in_iu++; |
5304 | i++; | |
5305 | if (i == sg_count) | |
5306 | break; | |
5307 | sg_descriptor++; | |
5308 | if (i == max_sg_per_iu) { | |
1a22bc4b | 5309 | put_unaligned_le64((u64)io_request->sg_chain_buffer_dma_handle, |
6c223761 | 5310 | &sg_descriptor->address); |
1a22bc4b | 5311 | put_unaligned_le32((sg_count - num_sg_in_iu) * sizeof(*sg_descriptor), |
6c223761 | 5312 | &sg_descriptor->length); |
1a22bc4b DB |
5313 | put_unaligned_le32(CISS_SG_CHAIN, &sg_descriptor->flags); |
5314 | *chained = true; | |
6c223761 KB |
5315 | num_sg_in_iu++; |
5316 | sg_descriptor = io_request->sg_chain_buffer; | |
5317 | } | |
5318 | sg = sg_next(sg); | |
5319 | } | |
5320 | ||
5321 | put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); | |
6c223761 | 5322 | |
1a22bc4b | 5323 | return num_sg_in_iu; |
6c223761 KB |
5324 | } |
5325 | ||
6c223761 KB |
5326 | static int pqi_build_raid_sg_list(struct pqi_ctrl_info *ctrl_info, |
5327 | struct pqi_raid_path_request *request, struct scsi_cmnd *scmd, | |
6c223761 KB |
5328 | struct pqi_io_request *io_request) |
5329 | { | |
6c223761 KB |
5330 | u16 iu_length; |
5331 | int sg_count; | |
a60eec02 KB |
5332 | bool chained; |
5333 | unsigned int num_sg_in_iu; | |
6c223761 KB |
5334 | struct scatterlist *sg; |
5335 | struct pqi_sg_descriptor *sg_descriptor; | |
5336 | ||
5337 | sg_count = scsi_dma_map(scmd); | |
5338 | if (sg_count < 0) | |
5339 | return sg_count; | |
a60eec02 | 5340 | |
6c223761 | 5341 | iu_length = offsetof(struct pqi_raid_path_request, sg_descriptors) - |
a60eec02 | 5342 | PQI_REQUEST_HEADER_LENGTH; |
a60eec02 | 5343 | |
6c223761 KB |
5344 | if (sg_count == 0) |
5345 | goto out; | |
5346 | ||
a60eec02 KB |
5347 | sg = scsi_sglist(scmd); |
5348 | sg_descriptor = request->sg_descriptors; | |
a60eec02 | 5349 | |
1a22bc4b DB |
5350 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, |
5351 | ctrl_info->max_sg_per_iu, &chained); | |
6c223761 | 5352 | |
a60eec02 | 5353 | request->partial = chained; |
6c223761 | 5354 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); |
a60eec02 KB |
5355 | |
5356 | out: | |
6c223761 | 5357 | put_unaligned_le16(iu_length, &request->header.iu_length); |
6c223761 KB |
5358 | |
5359 | return 0; | |
5360 | } | |
5361 | ||
7a012c23 DB |
5362 | static int pqi_build_aio_r1_sg_list(struct pqi_ctrl_info *ctrl_info, |
5363 | struct pqi_aio_r1_path_request *request, struct scsi_cmnd *scmd, | |
5364 | struct pqi_io_request *io_request) | |
6c223761 | 5365 | { |
7a012c23 DB |
5366 | u16 iu_length; |
5367 | int sg_count; | |
5368 | bool chained; | |
5369 | unsigned int num_sg_in_iu; | |
5370 | struct scatterlist *sg; | |
5371 | struct pqi_sg_descriptor *sg_descriptor; | |
5372 | ||
5373 | sg_count = scsi_dma_map(scmd); | |
5374 | if (sg_count < 0) | |
5375 | return sg_count; | |
5376 | ||
5377 | iu_length = offsetof(struct pqi_aio_r1_path_request, sg_descriptors) - | |
5378 | PQI_REQUEST_HEADER_LENGTH; | |
5379 | num_sg_in_iu = 0; | |
5380 | ||
5381 | if (sg_count == 0) | |
5382 | goto out; | |
5383 | ||
5384 | sg = scsi_sglist(scmd); | |
5385 | sg_descriptor = request->sg_descriptors; | |
5386 | ||
5387 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, | |
5388 | ctrl_info->max_sg_per_iu, &chained); | |
5389 | ||
5390 | request->partial = chained; | |
5391 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); | |
5392 | ||
5393 | out: | |
5394 | put_unaligned_le16(iu_length, &request->header.iu_length); | |
5395 | request->num_sg_descriptors = num_sg_in_iu; | |
5396 | ||
5397 | return 0; | |
5398 | } | |
5399 | ||
6702d2c4 DB |
5400 | static int pqi_build_aio_r56_sg_list(struct pqi_ctrl_info *ctrl_info, |
5401 | struct pqi_aio_r56_path_request *request, struct scsi_cmnd *scmd, | |
5402 | struct pqi_io_request *io_request) | |
5403 | { | |
5404 | u16 iu_length; | |
5405 | int sg_count; | |
5406 | bool chained; | |
5407 | unsigned int num_sg_in_iu; | |
5408 | struct scatterlist *sg; | |
5409 | struct pqi_sg_descriptor *sg_descriptor; | |
5410 | ||
5411 | sg_count = scsi_dma_map(scmd); | |
5412 | if (sg_count < 0) | |
5413 | return sg_count; | |
5414 | ||
5415 | iu_length = offsetof(struct pqi_aio_r56_path_request, sg_descriptors) - | |
5416 | PQI_REQUEST_HEADER_LENGTH; | |
5417 | num_sg_in_iu = 0; | |
5418 | ||
5419 | if (sg_count != 0) { | |
5420 | sg = scsi_sglist(scmd); | |
5421 | sg_descriptor = request->sg_descriptors; | |
5422 | ||
5423 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, | |
5424 | ctrl_info->max_sg_per_r56_iu, &chained); | |
5425 | ||
5426 | request->partial = chained; | |
5427 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); | |
5428 | } | |
5429 | ||
5430 | put_unaligned_le16(iu_length, &request->header.iu_length); | |
5431 | request->num_sg_descriptors = num_sg_in_iu; | |
5432 | ||
5433 | return 0; | |
5434 | } | |
5435 | ||
6c223761 KB |
5436 | static int pqi_build_aio_sg_list(struct pqi_ctrl_info *ctrl_info, |
5437 | struct pqi_aio_path_request *request, struct scsi_cmnd *scmd, | |
5438 | struct pqi_io_request *io_request) | |
5439 | { | |
6c223761 KB |
5440 | u16 iu_length; |
5441 | int sg_count; | |
a60eec02 KB |
5442 | bool chained; |
5443 | unsigned int num_sg_in_iu; | |
6c223761 KB |
5444 | struct scatterlist *sg; |
5445 | struct pqi_sg_descriptor *sg_descriptor; | |
5446 | ||
5447 | sg_count = scsi_dma_map(scmd); | |
5448 | if (sg_count < 0) | |
5449 | return sg_count; | |
a60eec02 KB |
5450 | |
5451 | iu_length = offsetof(struct pqi_aio_path_request, sg_descriptors) - | |
5452 | PQI_REQUEST_HEADER_LENGTH; | |
5453 | num_sg_in_iu = 0; | |
5454 | ||
6c223761 KB |
5455 | if (sg_count == 0) |
5456 | goto out; | |
5457 | ||
a60eec02 KB |
5458 | sg = scsi_sglist(scmd); |
5459 | sg_descriptor = request->sg_descriptors; | |
a60eec02 | 5460 | |
1a22bc4b DB |
5461 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, |
5462 | ctrl_info->max_sg_per_iu, &chained); | |
6c223761 | 5463 | |
a60eec02 | 5464 | request->partial = chained; |
6c223761 | 5465 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); |
a60eec02 KB |
5466 | |
5467 | out: | |
6c223761 KB |
5468 | put_unaligned_le16(iu_length, &request->header.iu_length); |
5469 | request->num_sg_descriptors = num_sg_in_iu; | |
5470 | ||
5471 | return 0; | |
5472 | } | |
5473 | ||
5474 | static void pqi_raid_io_complete(struct pqi_io_request *io_request, | |
5475 | void *context) | |
5476 | { | |
5477 | struct scsi_cmnd *scmd; | |
5478 | ||
5479 | scmd = io_request->scmd; | |
5480 | pqi_free_io_request(io_request); | |
5481 | scsi_dma_unmap(scmd); | |
5482 | pqi_scsi_done(scmd); | |
5483 | } | |
5484 | ||
376fb880 KB |
5485 | static int pqi_raid_submit_scsi_cmd_with_io_request( |
5486 | struct pqi_ctrl_info *ctrl_info, struct pqi_io_request *io_request, | |
6c223761 KB |
5487 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, |
5488 | struct pqi_queue_group *queue_group) | |
5489 | { | |
5490 | int rc; | |
5491 | size_t cdb_length; | |
6c223761 KB |
5492 | struct pqi_raid_path_request *request; |
5493 | ||
6c223761 KB |
5494 | io_request->io_complete_callback = pqi_raid_io_complete; |
5495 | io_request->scmd = scmd; | |
5496 | ||
6c223761 | 5497 | request = io_request->iu; |
583891c9 | 5498 | memset(request, 0, offsetof(struct pqi_raid_path_request, sg_descriptors)); |
6c223761 KB |
5499 | |
5500 | request->header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
5501 | put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); | |
5502 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5503 | put_unaligned_le16(io_request->index, &request->request_id); | |
5504 | request->error_index = request->request_id; | |
583891c9 | 5505 | memcpy(request->lun_number, device->scsi3addr, sizeof(request->lun_number)); |
904f2bfd | 5506 | request->ml_device_lun_number = (u8)scmd->device->lun; |
6c223761 KB |
5507 | |
5508 | cdb_length = min_t(size_t, scmd->cmd_len, sizeof(request->cdb)); | |
5509 | memcpy(request->cdb, scmd->cmnd, cdb_length); | |
5510 | ||
5511 | switch (cdb_length) { | |
5512 | case 6: | |
5513 | case 10: | |
5514 | case 12: | |
5515 | case 16: | |
583891c9 | 5516 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; |
6c223761 KB |
5517 | break; |
5518 | case 20: | |
583891c9 | 5519 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_4; |
6c223761 KB |
5520 | break; |
5521 | case 24: | |
583891c9 | 5522 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_8; |
6c223761 KB |
5523 | break; |
5524 | case 28: | |
583891c9 | 5525 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_12; |
6c223761 KB |
5526 | break; |
5527 | case 32: | |
5528 | default: | |
583891c9 | 5529 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_16; |
6c223761 KB |
5530 | break; |
5531 | } | |
5532 | ||
5533 | switch (scmd->sc_data_direction) { | |
69695aea | 5534 | case DMA_FROM_DEVICE: |
6c223761 KB |
5535 | request->data_direction = SOP_READ_FLAG; |
5536 | break; | |
69695aea | 5537 | case DMA_TO_DEVICE: |
6c223761 KB |
5538 | request->data_direction = SOP_WRITE_FLAG; |
5539 | break; | |
5540 | case DMA_NONE: | |
5541 | request->data_direction = SOP_NO_DIRECTION_FLAG; | |
5542 | break; | |
5543 | case DMA_BIDIRECTIONAL: | |
5544 | request->data_direction = SOP_BIDIRECTIONAL; | |
5545 | break; | |
5546 | default: | |
5547 | dev_err(&ctrl_info->pci_dev->dev, | |
5548 | "unknown data direction: %d\n", | |
5549 | scmd->sc_data_direction); | |
6c223761 KB |
5550 | break; |
5551 | } | |
5552 | ||
5553 | rc = pqi_build_raid_sg_list(ctrl_info, request, scmd, io_request); | |
5554 | if (rc) { | |
5555 | pqi_free_io_request(io_request); | |
5556 | return SCSI_MLQUEUE_HOST_BUSY; | |
5557 | } | |
5558 | ||
5559 | pqi_start_io(ctrl_info, queue_group, RAID_PATH, io_request); | |
5560 | ||
5561 | return 0; | |
5562 | } | |
5563 | ||
376fb880 KB |
5564 | static inline int pqi_raid_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
5565 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
5566 | struct pqi_queue_group *queue_group) | |
5567 | { | |
5568 | struct pqi_io_request *io_request; | |
5569 | ||
5570 | io_request = pqi_alloc_io_request(ctrl_info); | |
5571 | ||
5572 | return pqi_raid_submit_scsi_cmd_with_io_request(ctrl_info, io_request, | |
5573 | device, scmd, queue_group); | |
5574 | } | |
5575 | ||
376fb880 KB |
5576 | static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request) |
5577 | { | |
5578 | struct scsi_cmnd *scmd; | |
03b288cf | 5579 | struct pqi_scsi_dev *device; |
376fb880 KB |
5580 | struct pqi_ctrl_info *ctrl_info; |
5581 | ||
5582 | if (!io_request->raid_bypass) | |
5583 | return false; | |
5584 | ||
5585 | scmd = io_request->scmd; | |
5586 | if ((scmd->result & 0xff) == SAM_STAT_GOOD) | |
5587 | return false; | |
5588 | if (host_byte(scmd->result) == DID_NO_CONNECT) | |
5589 | return false; | |
5590 | ||
03b288cf | 5591 | device = scmd->device->hostdata; |
5be9db06 | 5592 | if (pqi_device_offline(device) || pqi_device_in_remove(device)) |
03b288cf KB |
5593 | return false; |
5594 | ||
376fb880 KB |
5595 | ctrl_info = shost_to_hba(scmd->device->host); |
5596 | if (pqi_ctrl_offline(ctrl_info)) | |
5597 | return false; | |
5598 | ||
5599 | return true; | |
5600 | } | |
5601 | ||
6c223761 KB |
5602 | static void pqi_aio_io_complete(struct pqi_io_request *io_request, |
5603 | void *context) | |
5604 | { | |
5605 | struct scsi_cmnd *scmd; | |
5606 | ||
5607 | scmd = io_request->scmd; | |
5608 | scsi_dma_unmap(scmd); | |
5be9db06 | 5609 | if (io_request->status == -EAGAIN || pqi_raid_bypass_retry_needed(io_request)) { |
6c223761 | 5610 | set_host_byte(scmd, DID_IMM_RETRY); |
c1ea387d | 5611 | pqi_cmd_priv(scmd)->this_residual++; |
376fb880 | 5612 | } |
5be9db06 | 5613 | |
6c223761 KB |
5614 | pqi_free_io_request(io_request); |
5615 | pqi_scsi_done(scmd); | |
5616 | } | |
5617 | ||
b4dc06a9 | 5618 | static inline bool pqi_is_io_high_priority(struct pqi_ctrl_info *ctrl_info, |
2a47834d GW |
5619 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd) |
5620 | { | |
5621 | bool io_high_prio; | |
5622 | int priority_class; | |
5623 | ||
5624 | io_high_prio = false; | |
b4dc06a9 | 5625 | |
2a47834d GW |
5626 | if (device->ncq_prio_enable) { |
5627 | priority_class = | |
5628 | IOPRIO_PRIO_CLASS(req_get_ioprio(scsi_cmd_to_rq(scmd))); | |
5629 | if (priority_class == IOPRIO_CLASS_RT) { | |
b4dc06a9 | 5630 | /* Set NCQ priority for read/write commands. */ |
2a47834d GW |
5631 | switch (scmd->cmnd[0]) { |
5632 | case WRITE_16: | |
5633 | case READ_16: | |
5634 | case WRITE_12: | |
5635 | case READ_12: | |
5636 | case WRITE_10: | |
5637 | case READ_10: | |
5638 | case WRITE_6: | |
5639 | case READ_6: | |
5640 | io_high_prio = true; | |
5641 | break; | |
2a47834d GW |
5642 | } |
5643 | } | |
5644 | } | |
5645 | ||
5646 | return io_high_prio; | |
5647 | } | |
5648 | ||
6c223761 KB |
5649 | static inline int pqi_aio_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
5650 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
5651 | struct pqi_queue_group *queue_group) | |
5652 | { | |
2a47834d GW |
5653 | bool io_high_prio; |
5654 | ||
b4dc06a9 KB |
5655 | io_high_prio = pqi_is_io_high_priority(ctrl_info, device, scmd); |
5656 | ||
6c223761 | 5657 | return pqi_aio_submit_io(ctrl_info, scmd, device->aio_handle, |
2a47834d GW |
5658 | scmd->cmnd, scmd->cmd_len, queue_group, NULL, |
5659 | false, io_high_prio); | |
6c223761 KB |
5660 | } |
5661 | ||
5662 | static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, | |
5663 | struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, | |
5664 | unsigned int cdb_length, struct pqi_queue_group *queue_group, | |
2a47834d GW |
5665 | struct pqi_encryption_info *encryption_info, bool raid_bypass, |
5666 | bool io_high_prio) | |
6c223761 KB |
5667 | { |
5668 | int rc; | |
5669 | struct pqi_io_request *io_request; | |
5670 | struct pqi_aio_path_request *request; | |
904f2bfd | 5671 | struct pqi_scsi_dev *device; |
6c223761 | 5672 | |
904f2bfd | 5673 | device = scmd->device->hostdata; |
6c223761 KB |
5674 | io_request = pqi_alloc_io_request(ctrl_info); |
5675 | io_request->io_complete_callback = pqi_aio_io_complete; | |
5676 | io_request->scmd = scmd; | |
376fb880 | 5677 | io_request->raid_bypass = raid_bypass; |
6c223761 KB |
5678 | |
5679 | request = io_request->iu; | |
9e98e60b | 5680 | memset(request, 0, offsetof(struct pqi_aio_path_request, sg_descriptors)); |
6c223761 KB |
5681 | |
5682 | request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_IO; | |
5683 | put_unaligned_le32(aio_handle, &request->nexus_id); | |
5684 | put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); | |
5685 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
2a47834d | 5686 | request->command_priority = io_high_prio; |
6c223761 KB |
5687 | put_unaligned_le16(io_request->index, &request->request_id); |
5688 | request->error_index = request->request_id; | |
904f2bfd KM |
5689 | if (!pqi_is_logical_device(device) && ctrl_info->multi_lun_device_supported) |
5690 | put_unaligned_le64(((scmd->device->lun) << 8), &request->lun_number); | |
6c223761 KB |
5691 | if (cdb_length > sizeof(request->cdb)) |
5692 | cdb_length = sizeof(request->cdb); | |
5693 | request->cdb_length = cdb_length; | |
5694 | memcpy(request->cdb, cdb, cdb_length); | |
5695 | ||
5696 | switch (scmd->sc_data_direction) { | |
5697 | case DMA_TO_DEVICE: | |
5698 | request->data_direction = SOP_READ_FLAG; | |
5699 | break; | |
5700 | case DMA_FROM_DEVICE: | |
5701 | request->data_direction = SOP_WRITE_FLAG; | |
5702 | break; | |
5703 | case DMA_NONE: | |
5704 | request->data_direction = SOP_NO_DIRECTION_FLAG; | |
5705 | break; | |
5706 | case DMA_BIDIRECTIONAL: | |
5707 | request->data_direction = SOP_BIDIRECTIONAL; | |
5708 | break; | |
5709 | default: | |
5710 | dev_err(&ctrl_info->pci_dev->dev, | |
5711 | "unknown data direction: %d\n", | |
5712 | scmd->sc_data_direction); | |
6c223761 KB |
5713 | break; |
5714 | } | |
5715 | ||
5716 | if (encryption_info) { | |
5717 | request->encryption_enable = true; | |
5718 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5719 | &request->data_encryption_key_index); | |
5720 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5721 | &request->encrypt_tweak_lower); | |
5722 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5723 | &request->encrypt_tweak_upper); | |
5724 | } | |
5725 | ||
5726 | rc = pqi_build_aio_sg_list(ctrl_info, request, scmd, io_request); | |
5727 | if (rc) { | |
5728 | pqi_free_io_request(io_request); | |
5729 | return SCSI_MLQUEUE_HOST_BUSY; | |
5730 | } | |
5731 | ||
5732 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5733 | ||
5734 | return 0; | |
5735 | } | |
5736 | ||
7a012c23 DB |
5737 | static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, |
5738 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
5739 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
5740 | struct pqi_scsi_dev_raid_map_data *rmd) | |
7a012c23 DB |
5741 | { |
5742 | int rc; | |
5743 | struct pqi_io_request *io_request; | |
5744 | struct pqi_aio_r1_path_request *r1_request; | |
5745 | ||
5746 | io_request = pqi_alloc_io_request(ctrl_info); | |
5747 | io_request->io_complete_callback = pqi_aio_io_complete; | |
5748 | io_request->scmd = scmd; | |
5749 | io_request->raid_bypass = true; | |
5750 | ||
5751 | r1_request = io_request->iu; | |
5752 | memset(r1_request, 0, offsetof(struct pqi_aio_r1_path_request, sg_descriptors)); | |
5753 | ||
5754 | r1_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID1_IO; | |
7a012c23 DB |
5755 | put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r1_request->volume_id); |
5756 | r1_request->num_drives = rmd->num_it_nexus_entries; | |
5757 | put_unaligned_le32(rmd->it_nexus[0], &r1_request->it_nexus_1); | |
5758 | put_unaligned_le32(rmd->it_nexus[1], &r1_request->it_nexus_2); | |
5759 | if (rmd->num_it_nexus_entries == 3) | |
5760 | put_unaligned_le32(rmd->it_nexus[2], &r1_request->it_nexus_3); | |
5761 | ||
5762 | put_unaligned_le32(scsi_bufflen(scmd), &r1_request->data_length); | |
5763 | r1_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5764 | put_unaligned_le16(io_request->index, &r1_request->request_id); | |
5765 | r1_request->error_index = r1_request->request_id; | |
5766 | if (rmd->cdb_length > sizeof(r1_request->cdb)) | |
5767 | rmd->cdb_length = sizeof(r1_request->cdb); | |
5768 | r1_request->cdb_length = rmd->cdb_length; | |
5769 | memcpy(r1_request->cdb, rmd->cdb, rmd->cdb_length); | |
5770 | ||
5771 | /* The direction is always write. */ | |
5772 | r1_request->data_direction = SOP_READ_FLAG; | |
5773 | ||
5774 | if (encryption_info) { | |
5775 | r1_request->encryption_enable = true; | |
5776 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5777 | &r1_request->data_encryption_key_index); | |
5778 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5779 | &r1_request->encrypt_tweak_lower); | |
5780 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5781 | &r1_request->encrypt_tweak_upper); | |
5782 | } | |
5783 | ||
5784 | rc = pqi_build_aio_r1_sg_list(ctrl_info, r1_request, scmd, io_request); | |
5785 | if (rc) { | |
5786 | pqi_free_io_request(io_request); | |
5787 | return SCSI_MLQUEUE_HOST_BUSY; | |
5788 | } | |
5789 | ||
5790 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5791 | ||
5792 | return 0; | |
5793 | } | |
5794 | ||
6702d2c4 DB |
5795 | static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, |
5796 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
5797 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
5798 | struct pqi_scsi_dev_raid_map_data *rmd) | |
5799 | { | |
5800 | int rc; | |
5801 | struct pqi_io_request *io_request; | |
5802 | struct pqi_aio_r56_path_request *r56_request; | |
5803 | ||
5804 | io_request = pqi_alloc_io_request(ctrl_info); | |
5805 | io_request->io_complete_callback = pqi_aio_io_complete; | |
5806 | io_request->scmd = scmd; | |
5807 | io_request->raid_bypass = true; | |
5808 | ||
5809 | r56_request = io_request->iu; | |
5810 | memset(r56_request, 0, offsetof(struct pqi_aio_r56_path_request, sg_descriptors)); | |
5811 | ||
5812 | if (device->raid_level == SA_RAID_5 || device->raid_level == SA_RAID_51) | |
5813 | r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID5_IO; | |
5814 | else | |
5815 | r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID6_IO; | |
5816 | ||
5817 | put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r56_request->volume_id); | |
5818 | put_unaligned_le32(rmd->aio_handle, &r56_request->data_it_nexus); | |
5819 | put_unaligned_le32(rmd->p_parity_it_nexus, &r56_request->p_parity_it_nexus); | |
5820 | if (rmd->raid_level == SA_RAID_6) { | |
5821 | put_unaligned_le32(rmd->q_parity_it_nexus, &r56_request->q_parity_it_nexus); | |
5822 | r56_request->xor_multiplier = rmd->xor_mult; | |
5823 | } | |
5824 | put_unaligned_le32(scsi_bufflen(scmd), &r56_request->data_length); | |
5825 | r56_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5826 | put_unaligned_le64(rmd->row, &r56_request->row); | |
5827 | ||
5828 | put_unaligned_le16(io_request->index, &r56_request->request_id); | |
5829 | r56_request->error_index = r56_request->request_id; | |
5830 | ||
5831 | if (rmd->cdb_length > sizeof(r56_request->cdb)) | |
5832 | rmd->cdb_length = sizeof(r56_request->cdb); | |
5833 | r56_request->cdb_length = rmd->cdb_length; | |
5834 | memcpy(r56_request->cdb, rmd->cdb, rmd->cdb_length); | |
5835 | ||
5836 | /* The direction is always write. */ | |
5837 | r56_request->data_direction = SOP_READ_FLAG; | |
5838 | ||
5839 | if (encryption_info) { | |
5840 | r56_request->encryption_enable = true; | |
5841 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5842 | &r56_request->data_encryption_key_index); | |
5843 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5844 | &r56_request->encrypt_tweak_lower); | |
5845 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5846 | &r56_request->encrypt_tweak_upper); | |
5847 | } | |
5848 | ||
5849 | rc = pqi_build_aio_r56_sg_list(ctrl_info, r56_request, scmd, io_request); | |
5850 | if (rc) { | |
5851 | pqi_free_io_request(io_request); | |
5852 | return SCSI_MLQUEUE_HOST_BUSY; | |
5853 | } | |
5854 | ||
5855 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5856 | ||
5857 | return 0; | |
5858 | } | |
5859 | ||
061ef06a KB |
5860 | static inline u16 pqi_get_hw_queue(struct pqi_ctrl_info *ctrl_info, |
5861 | struct scsi_cmnd *scmd) | |
5862 | { | |
5863 | u16 hw_queue; | |
5864 | ||
12db0f93 | 5865 | hw_queue = blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(scsi_cmd_to_rq(scmd))); |
061ef06a KB |
5866 | if (hw_queue > ctrl_info->max_hw_queue_index) |
5867 | hw_queue = 0; | |
5868 | ||
5869 | return hw_queue; | |
5870 | } | |
5871 | ||
5be9db06 KB |
5872 | static inline bool pqi_is_bypass_eligible_request(struct scsi_cmnd *scmd) |
5873 | { | |
12db0f93 | 5874 | if (blk_rq_is_passthrough(scsi_cmd_to_rq(scmd))) |
5be9db06 KB |
5875 | return false; |
5876 | ||
c1ea387d | 5877 | return pqi_cmd_priv(scmd)->this_residual == 0; |
5be9db06 KB |
5878 | } |
5879 | ||
7561a7e4 KB |
5880 | /* |
5881 | * This function gets called just before we hand the completed SCSI request | |
5882 | * back to the SML. | |
5883 | */ | |
5884 | ||
5885 | void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd) | |
5886 | { | |
5887 | struct pqi_scsi_dev *device; | |
5888 | ||
1e46731e MR |
5889 | if (!scmd->device) { |
5890 | set_host_byte(scmd, DID_NO_CONNECT); | |
5891 | return; | |
5892 | } | |
5893 | ||
7561a7e4 | 5894 | device = scmd->device->hostdata; |
1e46731e MR |
5895 | if (!device) { |
5896 | set_host_byte(scmd, DID_NO_CONNECT); | |
5897 | return; | |
5898 | } | |
5899 | ||
904f2bfd | 5900 | atomic_dec(&device->scsi_cmds_outstanding[scmd->device->lun]); |
7561a7e4 KB |
5901 | } |
5902 | ||
c7ffedb3 | 5903 | static bool pqi_is_parity_write_stream(struct pqi_ctrl_info *ctrl_info, |
7d81d2b8 | 5904 | struct scsi_cmnd *scmd) |
c7ffedb3 DB |
5905 | { |
5906 | u32 oldest_jiffies; | |
5907 | u8 lru_index; | |
5908 | int i; | |
5909 | int rc; | |
5910 | struct pqi_scsi_dev *device; | |
5911 | struct pqi_stream_data *pqi_stream_data; | |
5912 | struct pqi_scsi_dev_raid_map_data rmd; | |
5913 | ||
5914 | if (!ctrl_info->enable_stream_detection) | |
5915 | return false; | |
5916 | ||
5917 | rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); | |
5918 | if (rc) | |
5919 | return false; | |
5920 | ||
5921 | /* Check writes only. */ | |
5922 | if (!rmd.is_write) | |
5923 | return false; | |
5924 | ||
5925 | device = scmd->device->hostdata; | |
5926 | ||
5927 | /* Check for RAID 5/6 streams. */ | |
5928 | if (device->raid_level != SA_RAID_5 && device->raid_level != SA_RAID_6) | |
5929 | return false; | |
5930 | ||
5931 | /* | |
5932 | * If controller does not support AIO RAID{5,6} writes, need to send | |
5933 | * requests down non-AIO path. | |
5934 | */ | |
5935 | if ((device->raid_level == SA_RAID_5 && !ctrl_info->enable_r5_writes) || | |
5936 | (device->raid_level == SA_RAID_6 && !ctrl_info->enable_r6_writes)) | |
5937 | return true; | |
5938 | ||
5939 | lru_index = 0; | |
5940 | oldest_jiffies = INT_MAX; | |
5941 | for (i = 0; i < NUM_STREAMS_PER_LUN; i++) { | |
5942 | pqi_stream_data = &device->stream_data[i]; | |
5943 | /* | |
5944 | * Check for adjacent request or request is within | |
5945 | * the previous request. | |
5946 | */ | |
5947 | if ((pqi_stream_data->next_lba && | |
5948 | rmd.first_block >= pqi_stream_data->next_lba) && | |
5949 | rmd.first_block <= pqi_stream_data->next_lba + | |
5950 | rmd.block_cnt) { | |
5951 | pqi_stream_data->next_lba = rmd.first_block + | |
5952 | rmd.block_cnt; | |
5953 | pqi_stream_data->last_accessed = jiffies; | |
5954 | return true; | |
5955 | } | |
5956 | ||
5957 | /* unused entry */ | |
5958 | if (pqi_stream_data->last_accessed == 0) { | |
5959 | lru_index = i; | |
5960 | break; | |
5961 | } | |
5962 | ||
5963 | /* Find entry with oldest last accessed time. */ | |
5964 | if (pqi_stream_data->last_accessed <= oldest_jiffies) { | |
5965 | oldest_jiffies = pqi_stream_data->last_accessed; | |
5966 | lru_index = i; | |
5967 | } | |
5968 | } | |
5969 | ||
5970 | /* Set LRU entry. */ | |
5971 | pqi_stream_data = &device->stream_data[lru_index]; | |
5972 | pqi_stream_data->last_accessed = jiffies; | |
5973 | pqi_stream_data->next_lba = rmd.first_block + rmd.block_cnt; | |
5974 | ||
5975 | return false; | |
5976 | } | |
5977 | ||
5978 | static int pqi_scsi_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) | |
6c223761 KB |
5979 | { |
5980 | int rc; | |
5981 | struct pqi_ctrl_info *ctrl_info; | |
5982 | struct pqi_scsi_dev *device; | |
061ef06a | 5983 | u16 hw_queue; |
6c223761 KB |
5984 | struct pqi_queue_group *queue_group; |
5985 | bool raid_bypassed; | |
5986 | ||
5987 | device = scmd->device->hostdata; | |
6c223761 | 5988 | |
1e46731e MR |
5989 | if (!device) { |
5990 | set_host_byte(scmd, DID_NO_CONNECT); | |
5991 | pqi_scsi_done(scmd); | |
5992 | return 0; | |
5993 | } | |
5994 | ||
904f2bfd | 5995 | atomic_inc(&device->scsi_cmds_outstanding[scmd->device->lun]); |
7561a7e4 | 5996 | |
583891c9 KB |
5997 | ctrl_info = shost_to_hba(shost); |
5998 | ||
1bdf6e93 | 5999 | if (pqi_ctrl_offline(ctrl_info) || pqi_device_in_remove(device)) { |
6c223761 KB |
6000 | set_host_byte(scmd, DID_NO_CONNECT); |
6001 | pqi_scsi_done(scmd); | |
6002 | return 0; | |
6003 | } | |
6004 | ||
5be9db06 | 6005 | if (pqi_ctrl_blocked(ctrl_info)) { |
7561a7e4 KB |
6006 | rc = SCSI_MLQUEUE_HOST_BUSY; |
6007 | goto out; | |
6008 | } | |
6009 | ||
7d81d2b8 KB |
6010 | /* |
6011 | * This is necessary because the SML doesn't zero out this field during | |
6012 | * error recovery. | |
6013 | */ | |
6014 | scmd->result = 0; | |
6015 | ||
061ef06a KB |
6016 | hw_queue = pqi_get_hw_queue(ctrl_info, scmd); |
6017 | queue_group = &ctrl_info->queue_groups[hw_queue]; | |
6c223761 KB |
6018 | |
6019 | if (pqi_is_logical_device(device)) { | |
6020 | raid_bypassed = false; | |
588a63fe | 6021 | if (device->raid_bypass_enabled && |
5be9db06 KB |
6022 | pqi_is_bypass_eligible_request(scmd) && |
6023 | !pqi_is_parity_write_stream(ctrl_info, scmd)) { | |
6024 | rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); | |
8b664fef | 6025 | if (rc == 0 || rc == SCSI_MLQUEUE_HOST_BUSY) { |
376fb880 | 6026 | raid_bypassed = true; |
8b664fef KB |
6027 | atomic_inc(&device->raid_bypass_cnt); |
6028 | } | |
6c223761 KB |
6029 | } |
6030 | if (!raid_bypassed) | |
8b664fef | 6031 | rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 KB |
6032 | } else { |
6033 | if (device->aio_enabled) | |
8b664fef | 6034 | rc = pqi_aio_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 | 6035 | else |
8b664fef | 6036 | rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 KB |
6037 | } |
6038 | ||
7561a7e4 | 6039 | out: |
7561a7e4 | 6040 | if (rc) |
904f2bfd | 6041 | atomic_dec(&device->scsi_cmds_outstanding[scmd->device->lun]); |
7561a7e4 | 6042 | |
6c223761 KB |
6043 | return rc; |
6044 | } | |
6045 | ||
6ce1ddf5 | 6046 | static unsigned int pqi_queued_io_count(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 6047 | { |
6ce1ddf5 | 6048 | unsigned int i; |
7561a7e4 KB |
6049 | unsigned int path; |
6050 | unsigned long flags; | |
6ce1ddf5 KB |
6051 | unsigned int queued_io_count; |
6052 | struct pqi_queue_group *queue_group; | |
6053 | struct pqi_io_request *io_request; | |
7561a7e4 | 6054 | |
6ce1ddf5 KB |
6055 | queued_io_count = 0; |
6056 | ||
6057 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
6058 | queue_group = &ctrl_info->queue_groups[i]; | |
6059 | for (path = 0; path < 2; path++) { | |
6060 | spin_lock_irqsave(&queue_group->submit_lock[path], flags); | |
6061 | list_for_each_entry(io_request, &queue_group->request_list[path], request_list_entry) | |
6062 | queued_io_count++; | |
6063 | spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); | |
7561a7e4 KB |
6064 | } |
6065 | } | |
6066 | ||
6ce1ddf5 | 6067 | return queued_io_count; |
7561a7e4 KB |
6068 | } |
6069 | ||
6ce1ddf5 | 6070 | static unsigned int pqi_nonempty_inbound_queue_count(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 6071 | { |
7561a7e4 KB |
6072 | unsigned int i; |
6073 | unsigned int path; | |
6ce1ddf5 | 6074 | unsigned int nonempty_inbound_queue_count; |
7561a7e4 KB |
6075 | struct pqi_queue_group *queue_group; |
6076 | pqi_index_t iq_pi; | |
6077 | pqi_index_t iq_ci; | |
6078 | ||
6ce1ddf5 KB |
6079 | nonempty_inbound_queue_count = 0; |
6080 | ||
7561a7e4 KB |
6081 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { |
6082 | queue_group = &ctrl_info->queue_groups[i]; | |
7561a7e4 KB |
6083 | for (path = 0; path < 2; path++) { |
6084 | iq_pi = queue_group->iq_pi_copy[path]; | |
6ce1ddf5 KB |
6085 | iq_ci = readl(queue_group->iq_ci[path]); |
6086 | if (iq_ci != iq_pi) | |
6087 | nonempty_inbound_queue_count++; | |
6088 | } | |
6089 | } | |
7561a7e4 | 6090 | |
6ce1ddf5 KB |
6091 | return nonempty_inbound_queue_count; |
6092 | } | |
6093 | ||
6094 | #define PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS 10 | |
6095 | ||
6096 | static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) | |
6097 | { | |
6098 | unsigned long start_jiffies; | |
6099 | unsigned long warning_timeout; | |
6100 | unsigned int queued_io_count; | |
6101 | unsigned int nonempty_inbound_queue_count; | |
6102 | bool displayed_warning; | |
6103 | ||
6104 | displayed_warning = false; | |
6105 | start_jiffies = jiffies; | |
42dc0426 | 6106 | warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
6ce1ddf5 KB |
6107 | |
6108 | while (1) { | |
6109 | queued_io_count = pqi_queued_io_count(ctrl_info); | |
6110 | nonempty_inbound_queue_count = pqi_nonempty_inbound_queue_count(ctrl_info); | |
6111 | if (queued_io_count == 0 && nonempty_inbound_queue_count == 0) | |
6112 | break; | |
6113 | pqi_check_ctrl_health(ctrl_info); | |
6114 | if (pqi_ctrl_offline(ctrl_info)) | |
6115 | return -ENXIO; | |
6116 | if (time_after(jiffies, warning_timeout)) { | |
6117 | dev_warn(&ctrl_info->pci_dev->dev, | |
6118 | "waiting %u seconds for queued I/O to drain (queued I/O count: %u; non-empty inbound queue count: %u)\n", | |
6119 | jiffies_to_msecs(jiffies - start_jiffies) / 1000, queued_io_count, nonempty_inbound_queue_count); | |
6120 | displayed_warning = true; | |
42dc0426 | 6121 | warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
7561a7e4 | 6122 | } |
6ce1ddf5 | 6123 | usleep_range(1000, 2000); |
7561a7e4 KB |
6124 | } |
6125 | ||
6ce1ddf5 KB |
6126 | if (displayed_warning) |
6127 | dev_warn(&ctrl_info->pci_dev->dev, | |
6128 | "queued I/O drained after waiting for %u seconds\n", | |
6129 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
6130 | ||
7561a7e4 KB |
6131 | return 0; |
6132 | } | |
6133 | ||
6134 | static void pqi_fail_io_queued_for_device(struct pqi_ctrl_info *ctrl_info, | |
6135 | struct pqi_scsi_dev *device) | |
6136 | { | |
6137 | unsigned int i; | |
6138 | unsigned int path; | |
6139 | struct pqi_queue_group *queue_group; | |
6140 | unsigned long flags; | |
6141 | struct pqi_io_request *io_request; | |
6142 | struct pqi_io_request *next; | |
6143 | struct scsi_cmnd *scmd; | |
6144 | struct pqi_scsi_dev *scsi_device; | |
6145 | ||
6146 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
6147 | queue_group = &ctrl_info->queue_groups[i]; | |
6148 | ||
6149 | for (path = 0; path < 2; path++) { | |
6150 | spin_lock_irqsave( | |
6151 | &queue_group->submit_lock[path], flags); | |
6152 | ||
6153 | list_for_each_entry_safe(io_request, next, | |
6154 | &queue_group->request_list[path], | |
6155 | request_list_entry) { | |
583891c9 | 6156 | |
7561a7e4 KB |
6157 | scmd = io_request->scmd; |
6158 | if (!scmd) | |
6159 | continue; | |
6160 | ||
6161 | scsi_device = scmd->device->hostdata; | |
6162 | if (scsi_device != device) | |
6163 | continue; | |
6164 | ||
6165 | list_del(&io_request->request_list_entry); | |
6166 | set_host_byte(scmd, DID_RESET); | |
b622a601 MB |
6167 | pqi_free_io_request(io_request); |
6168 | scsi_dma_unmap(scmd); | |
7561a7e4 KB |
6169 | pqi_scsi_done(scmd); |
6170 | } | |
6171 | ||
6172 | spin_unlock_irqrestore( | |
6173 | &queue_group->submit_lock[path], flags); | |
6174 | } | |
6175 | } | |
6176 | } | |
6177 | ||
18ff5f08 | 6178 | #define PQI_PENDING_IO_WARNING_TIMEOUT_SECS 10 |
4fd22c13 | 6179 | |
061ef06a | 6180 | static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, |
904f2bfd | 6181 | struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs) |
061ef06a | 6182 | { |
18ff5f08 KB |
6183 | int cmds_outstanding; |
6184 | unsigned long start_jiffies; | |
6185 | unsigned long warning_timeout; | |
6186 | unsigned long msecs_waiting; | |
1e46731e | 6187 | |
18ff5f08 | 6188 | start_jiffies = jiffies; |
42dc0426 | 6189 | warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
1e46731e | 6190 | |
904f2bfd | 6191 | while ((cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun])) > 0) { |
331f7e99 SB |
6192 | if (ctrl_info->ctrl_removal_state != PQI_CTRL_GRACEFUL_REMOVAL) { |
6193 | pqi_check_ctrl_health(ctrl_info); | |
6194 | if (pqi_ctrl_offline(ctrl_info)) | |
6195 | return -ENXIO; | |
6196 | } | |
18ff5f08 | 6197 | msecs_waiting = jiffies_to_msecs(jiffies - start_jiffies); |
6ce1ddf5 | 6198 | if (msecs_waiting >= timeout_msecs) { |
18ff5f08 KB |
6199 | dev_err(&ctrl_info->pci_dev->dev, |
6200 | "scsi %d:%d:%d:%d: timed out after %lu seconds waiting for %d outstanding command(s)\n", | |
6201 | ctrl_info->scsi_host->host_no, device->bus, device->target, | |
904f2bfd | 6202 | lun, msecs_waiting / 1000, cmds_outstanding); |
18ff5f08 | 6203 | return -ETIMEDOUT; |
061ef06a | 6204 | } |
18ff5f08 KB |
6205 | if (time_after(jiffies, warning_timeout)) { |
6206 | dev_warn(&ctrl_info->pci_dev->dev, | |
6207 | "scsi %d:%d:%d:%d: waiting %lu seconds for %d outstanding command(s)\n", | |
6208 | ctrl_info->scsi_host->host_no, device->bus, device->target, | |
904f2bfd | 6209 | lun, msecs_waiting / 1000, cmds_outstanding); |
42dc0426 | 6210 | warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
4fd22c13 | 6211 | } |
061ef06a KB |
6212 | usleep_range(1000, 2000); |
6213 | } | |
6214 | ||
6215 | return 0; | |
6216 | } | |
6217 | ||
14bb215d KB |
6218 | static void pqi_lun_reset_complete(struct pqi_io_request *io_request, |
6219 | void *context) | |
6c223761 | 6220 | { |
14bb215d | 6221 | struct completion *waiting = context; |
6c223761 | 6222 | |
14bb215d KB |
6223 | complete(waiting); |
6224 | } | |
6c223761 | 6225 | |
c2922f17 | 6226 | #define PQI_LUN_RESET_POLL_COMPLETION_SECS 10 |
14bb215d KB |
6227 | |
6228 | static int pqi_wait_for_lun_reset_completion(struct pqi_ctrl_info *ctrl_info, | |
904f2bfd | 6229 | struct pqi_scsi_dev *device, u8 lun, struct completion *wait) |
14bb215d KB |
6230 | { |
6231 | int rc; | |
18ff5f08 | 6232 | unsigned int wait_secs; |
6ce1ddf5 | 6233 | int cmds_outstanding; |
18ff5f08 KB |
6234 | |
6235 | wait_secs = 0; | |
14bb215d KB |
6236 | |
6237 | while (1) { | |
6238 | if (wait_for_completion_io_timeout(wait, | |
42dc0426 | 6239 | PQI_LUN_RESET_POLL_COMPLETION_SECS * HZ)) { |
14bb215d KB |
6240 | rc = 0; |
6241 | break; | |
6c223761 KB |
6242 | } |
6243 | ||
14bb215d KB |
6244 | pqi_check_ctrl_health(ctrl_info); |
6245 | if (pqi_ctrl_offline(ctrl_info)) { | |
4e8415e3 | 6246 | rc = -ENXIO; |
14bb215d KB |
6247 | break; |
6248 | } | |
18ff5f08 KB |
6249 | |
6250 | wait_secs += PQI_LUN_RESET_POLL_COMPLETION_SECS; | |
904f2bfd | 6251 | cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun]); |
18ff5f08 | 6252 | dev_warn(&ctrl_info->pci_dev->dev, |
6ce1ddf5 | 6253 | "scsi %d:%d:%d:%d: waiting %u seconds for LUN reset to complete (%d command(s) outstanding)\n", |
904f2bfd | 6254 | ctrl_info->scsi_host->host_no, device->bus, device->target, lun, wait_secs, cmds_outstanding); |
6c223761 | 6255 | } |
6c223761 | 6256 | |
14bb215d | 6257 | return rc; |
6c223761 KB |
6258 | } |
6259 | ||
18ff5f08 KB |
6260 | #define PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS 30 |
6261 | ||
904f2bfd | 6262 | static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) |
6c223761 KB |
6263 | { |
6264 | int rc; | |
6265 | struct pqi_io_request *io_request; | |
6266 | DECLARE_COMPLETION_ONSTACK(wait); | |
6267 | struct pqi_task_management_request *request; | |
904f2bfd | 6268 | struct pqi_scsi_dev *device; |
6c223761 | 6269 | |
904f2bfd | 6270 | device = scmd->device->hostdata; |
6c223761 | 6271 | io_request = pqi_alloc_io_request(ctrl_info); |
14bb215d | 6272 | io_request->io_complete_callback = pqi_lun_reset_complete; |
6c223761 KB |
6273 | io_request->context = &wait; |
6274 | ||
6275 | request = io_request->iu; | |
6276 | memset(request, 0, sizeof(*request)); | |
6277 | ||
6278 | request->header.iu_type = PQI_REQUEST_IU_TASK_MANAGEMENT; | |
6279 | put_unaligned_le16(sizeof(*request) - PQI_REQUEST_HEADER_LENGTH, | |
6280 | &request->header.iu_length); | |
6281 | put_unaligned_le16(io_request->index, &request->request_id); | |
6282 | memcpy(request->lun_number, device->scsi3addr, | |
6283 | sizeof(request->lun_number)); | |
904f2bfd KM |
6284 | if (!pqi_is_logical_device(device) && ctrl_info->multi_lun_device_supported) |
6285 | request->ml_device_lun_number = (u8)scmd->device->lun; | |
6c223761 | 6286 | request->task_management_function = SOP_TASK_MANAGEMENT_LUN_RESET; |
c2922f17 | 6287 | if (ctrl_info->tmf_iu_timeout_supported) |
18ff5f08 | 6288 | put_unaligned_le16(PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS, &request->timeout); |
6c223761 | 6289 | |
583891c9 | 6290 | pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, |
6c223761 KB |
6291 | io_request); |
6292 | ||
904f2bfd | 6293 | rc = pqi_wait_for_lun_reset_completion(ctrl_info, device, (u8)scmd->device->lun, &wait); |
14bb215d | 6294 | if (rc == 0) |
6c223761 | 6295 | rc = io_request->status; |
6c223761 KB |
6296 | |
6297 | pqi_free_io_request(io_request); | |
6c223761 KB |
6298 | |
6299 | return rc; | |
6300 | } | |
6301 | ||
18ff5f08 KB |
6302 | #define PQI_LUN_RESET_RETRIES 3 |
6303 | #define PQI_LUN_RESET_RETRY_INTERVAL_MSECS (10 * 1000) | |
6304 | #define PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS (10 * 60 * 1000) | |
6305 | #define PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS (2 * 60 * 1000) | |
6c223761 | 6306 | |
904f2bfd | 6307 | static int pqi_lun_reset_with_retries(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) |
6c223761 | 6308 | { |
18ff5f08 KB |
6309 | int reset_rc; |
6310 | int wait_rc; | |
3406384b | 6311 | unsigned int retries; |
18ff5f08 | 6312 | unsigned long timeout_msecs; |
904f2bfd | 6313 | struct pqi_scsi_dev *device; |
6c223761 | 6314 | |
904f2bfd | 6315 | device = scmd->device->hostdata; |
3406384b | 6316 | for (retries = 0;;) { |
904f2bfd | 6317 | reset_rc = pqi_lun_reset(ctrl_info, scmd); |
4e7d2602 | 6318 | if (reset_rc == 0 || reset_rc == -ENODEV || ++retries > PQI_LUN_RESET_RETRIES) |
3406384b MR |
6319 | break; |
6320 | msleep(PQI_LUN_RESET_RETRY_INTERVAL_MSECS); | |
6321 | } | |
429fab70 | 6322 | |
18ff5f08 KB |
6323 | timeout_msecs = reset_rc ? PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS : |
6324 | PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS; | |
4fd22c13 | 6325 | |
904f2bfd | 6326 | wait_rc = pqi_device_wait_for_pending_io(ctrl_info, device, scmd->device->lun, timeout_msecs); |
18ff5f08 KB |
6327 | if (wait_rc && reset_rc == 0) |
6328 | reset_rc = wait_rc; | |
6c223761 | 6329 | |
18ff5f08 | 6330 | return reset_rc == 0 ? SUCCESS : FAILED; |
6c223761 KB |
6331 | } |
6332 | ||
904f2bfd | 6333 | static int pqi_device_reset(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) |
4fd22c13 MR |
6334 | { |
6335 | int rc; | |
904f2bfd | 6336 | struct pqi_scsi_dev *device; |
4fd22c13 | 6337 | |
904f2bfd | 6338 | device = scmd->device->hostdata; |
4fd22c13 MR |
6339 | pqi_ctrl_block_requests(ctrl_info); |
6340 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
6341 | pqi_fail_io_queued_for_device(ctrl_info, device); | |
6342 | rc = pqi_wait_until_inbound_queues_empty(ctrl_info); | |
4fd22c13 MR |
6343 | if (rc) |
6344 | rc = FAILED; | |
6345 | else | |
904f2bfd | 6346 | rc = pqi_lun_reset_with_retries(ctrl_info, scmd); |
37f33181 | 6347 | pqi_ctrl_unblock_requests(ctrl_info); |
429fab70 | 6348 | |
4fd22c13 MR |
6349 | return rc; |
6350 | } | |
6351 | ||
6c223761 KB |
6352 | static int pqi_eh_device_reset_handler(struct scsi_cmnd *scmd) |
6353 | { | |
6354 | int rc; | |
7561a7e4 | 6355 | struct Scsi_Host *shost; |
6c223761 KB |
6356 | struct pqi_ctrl_info *ctrl_info; |
6357 | struct pqi_scsi_dev *device; | |
6358 | ||
7561a7e4 KB |
6359 | shost = scmd->device->host; |
6360 | ctrl_info = shost_to_hba(shost); | |
6c223761 KB |
6361 | device = scmd->device->hostdata; |
6362 | ||
37f33181 KB |
6363 | mutex_lock(&ctrl_info->lun_reset_mutex); |
6364 | ||
6c223761 | 6365 | dev_err(&ctrl_info->pci_dev->dev, |
f0e473e0 MB |
6366 | "resetting scsi %d:%d:%d:%d due to cmd 0x%02x\n", |
6367 | shost->host_no, | |
904f2bfd | 6368 | device->bus, device->target, (u32)scmd->device->lun, |
f0e473e0 | 6369 | scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff); |
6c223761 | 6370 | |
7561a7e4 | 6371 | pqi_check_ctrl_health(ctrl_info); |
37f33181 | 6372 | if (pqi_ctrl_offline(ctrl_info)) |
7561a7e4 | 6373 | rc = FAILED; |
37f33181 | 6374 | else |
904f2bfd | 6375 | rc = pqi_device_reset(ctrl_info, scmd); |
429fab70 | 6376 | |
6c223761 KB |
6377 | dev_err(&ctrl_info->pci_dev->dev, |
6378 | "reset of scsi %d:%d:%d:%d: %s\n", | |
904f2bfd | 6379 | shost->host_no, device->bus, device->target, (u32)scmd->device->lun, |
6c223761 KB |
6380 | rc == SUCCESS ? "SUCCESS" : "FAILED"); |
6381 | ||
37f33181 KB |
6382 | mutex_unlock(&ctrl_info->lun_reset_mutex); |
6383 | ||
6c223761 KB |
6384 | return rc; |
6385 | } | |
6386 | ||
6387 | static int pqi_slave_alloc(struct scsi_device *sdev) | |
6388 | { | |
6389 | struct pqi_scsi_dev *device; | |
6390 | unsigned long flags; | |
6391 | struct pqi_ctrl_info *ctrl_info; | |
6392 | struct scsi_target *starget; | |
6393 | struct sas_rphy *rphy; | |
6394 | ||
6395 | ctrl_info = shost_to_hba(sdev->host); | |
6396 | ||
6397 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
6398 | ||
6399 | if (sdev_channel(sdev) == PQI_PHYSICAL_DEVICE_BUS) { | |
6400 | starget = scsi_target(sdev); | |
6401 | rphy = target_to_rphy(starget); | |
6402 | device = pqi_find_device_by_sas_rphy(ctrl_info, rphy); | |
6403 | if (device) { | |
d4dc6aea KB |
6404 | if (device->target_lun_valid) { |
6405 | device->ignore_device = true; | |
6406 | } else { | |
6407 | device->target = sdev_id(sdev); | |
6408 | device->lun = sdev->lun; | |
6409 | device->target_lun_valid = true; | |
6410 | } | |
6c223761 KB |
6411 | } |
6412 | } else { | |
6413 | device = pqi_find_scsi_dev(ctrl_info, sdev_channel(sdev), | |
6414 | sdev_id(sdev), sdev->lun); | |
6415 | } | |
6416 | ||
94086f5b | 6417 | if (device) { |
6c223761 KB |
6418 | sdev->hostdata = device; |
6419 | device->sdev = sdev; | |
6420 | if (device->queue_depth) { | |
6421 | device->advertised_queue_depth = device->queue_depth; | |
6422 | scsi_change_queue_depth(sdev, | |
6423 | device->advertised_queue_depth); | |
6424 | } | |
99a12b48 | 6425 | if (pqi_is_logical_device(device)) { |
b6e2ef67 | 6426 | pqi_disable_write_same(sdev); |
99a12b48 | 6427 | } else { |
2b447f81 | 6428 | sdev->allow_restart = 1; |
99a12b48 KB |
6429 | if (device->device_type == SA_DEVICE_TYPE_NVME) |
6430 | pqi_disable_write_same(sdev); | |
6431 | } | |
6c223761 KB |
6432 | } |
6433 | ||
6434 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
6435 | ||
6436 | return 0; | |
6437 | } | |
6438 | ||
52198226 CH |
6439 | static int pqi_map_queues(struct Scsi_Host *shost) |
6440 | { | |
6441 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6442 | ||
79d3fa9e | 6443 | return blk_mq_pci_map_queues(&shost->tag_set.map[HCTX_TYPE_DEFAULT], |
ed76e329 | 6444 | ctrl_info->pci_dev, 0); |
52198226 CH |
6445 | } |
6446 | ||
d4dc6aea KB |
6447 | static inline bool pqi_is_tape_changer_device(struct pqi_scsi_dev *device) |
6448 | { | |
6449 | return device->devtype == TYPE_TAPE || device->devtype == TYPE_MEDIUM_CHANGER; | |
6450 | } | |
6451 | ||
ce143793 KB |
6452 | static int pqi_slave_configure(struct scsi_device *sdev) |
6453 | { | |
d4dc6aea | 6454 | int rc = 0; |
ce143793 KB |
6455 | struct pqi_scsi_dev *device; |
6456 | ||
6457 | device = sdev->hostdata; | |
6458 | device->devtype = sdev->type; | |
6459 | ||
d4dc6aea KB |
6460 | if (pqi_is_tape_changer_device(device) && device->ignore_device) { |
6461 | rc = -ENXIO; | |
6462 | device->ignore_device = false; | |
6463 | } | |
6464 | ||
6465 | return rc; | |
ce143793 KB |
6466 | } |
6467 | ||
2d80f405 KB |
6468 | static void pqi_slave_destroy(struct scsi_device *sdev) |
6469 | { | |
6470 | struct pqi_ctrl_info *ctrl_info; | |
6471 | struct pqi_scsi_dev *device; | |
6472 | int mutex_acquired; | |
6473 | unsigned long flags; | |
6474 | ||
6475 | ctrl_info = shost_to_hba(sdev->host); | |
6476 | ||
6477 | mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); | |
6478 | if (!mutex_acquired) | |
6479 | return; | |
6480 | ||
6481 | device = sdev->hostdata; | |
6482 | if (!device) { | |
6483 | mutex_unlock(&ctrl_info->scan_mutex); | |
6484 | return; | |
6485 | } | |
6486 | ||
6487 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
6488 | list_del(&device->scsi_device_list_entry); | |
6489 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
6490 | ||
6491 | mutex_unlock(&ctrl_info->scan_mutex); | |
6492 | ||
6493 | pqi_dev_info(ctrl_info, "removed", device); | |
6494 | pqi_free_device(device); | |
6495 | } | |
6496 | ||
8b664fef | 6497 | static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) |
6c223761 KB |
6498 | { |
6499 | struct pci_dev *pci_dev; | |
6500 | u32 subsystem_vendor; | |
6501 | u32 subsystem_device; | |
6502 | cciss_pci_info_struct pciinfo; | |
6503 | ||
6504 | if (!arg) | |
6505 | return -EINVAL; | |
6506 | ||
6507 | pci_dev = ctrl_info->pci_dev; | |
6508 | ||
6509 | pciinfo.domain = pci_domain_nr(pci_dev->bus); | |
6510 | pciinfo.bus = pci_dev->bus->number; | |
6511 | pciinfo.dev_fn = pci_dev->devfn; | |
6512 | subsystem_vendor = pci_dev->subsystem_vendor; | |
6513 | subsystem_device = pci_dev->subsystem_device; | |
8b664fef | 6514 | pciinfo.board_id = ((subsystem_device << 16) & 0xffff0000) | subsystem_vendor; |
6c223761 KB |
6515 | |
6516 | if (copy_to_user(arg, &pciinfo, sizeof(pciinfo))) | |
6517 | return -EFAULT; | |
6518 | ||
6519 | return 0; | |
6520 | } | |
6521 | ||
6522 | static int pqi_getdrivver_ioctl(void __user *arg) | |
6523 | { | |
6524 | u32 version; | |
6525 | ||
6526 | if (!arg) | |
6527 | return -EINVAL; | |
6528 | ||
6529 | version = (DRIVER_MAJOR << 28) | (DRIVER_MINOR << 24) | | |
6530 | (DRIVER_RELEASE << 16) | DRIVER_REVISION; | |
6531 | ||
6532 | if (copy_to_user(arg, &version, sizeof(version))) | |
6533 | return -EFAULT; | |
6534 | ||
6535 | return 0; | |
6536 | } | |
6537 | ||
6538 | struct ciss_error_info { | |
6539 | u8 scsi_status; | |
6540 | int command_status; | |
6541 | size_t sense_data_length; | |
6542 | }; | |
6543 | ||
6544 | static void pqi_error_info_to_ciss(struct pqi_raid_error_info *pqi_error_info, | |
6545 | struct ciss_error_info *ciss_error_info) | |
6546 | { | |
6547 | int ciss_cmd_status; | |
6548 | size_t sense_data_length; | |
6549 | ||
6550 | switch (pqi_error_info->data_out_result) { | |
6551 | case PQI_DATA_IN_OUT_GOOD: | |
6552 | ciss_cmd_status = CISS_CMD_STATUS_SUCCESS; | |
6553 | break; | |
6554 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
6555 | ciss_cmd_status = CISS_CMD_STATUS_DATA_UNDERRUN; | |
6556 | break; | |
6557 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW: | |
6558 | ciss_cmd_status = CISS_CMD_STATUS_DATA_OVERRUN; | |
6559 | break; | |
6560 | case PQI_DATA_IN_OUT_PROTOCOL_ERROR: | |
6561 | case PQI_DATA_IN_OUT_BUFFER_ERROR: | |
6562 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA: | |
6563 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE: | |
6564 | case PQI_DATA_IN_OUT_ERROR: | |
6565 | ciss_cmd_status = CISS_CMD_STATUS_PROTOCOL_ERROR; | |
6566 | break; | |
6567 | case PQI_DATA_IN_OUT_HARDWARE_ERROR: | |
6568 | case PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR: | |
6569 | case PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT: | |
6570 | case PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED: | |
6571 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED: | |
6572 | case PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED: | |
6573 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST: | |
6574 | case PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION: | |
6575 | case PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED: | |
6576 | case PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ: | |
6577 | ciss_cmd_status = CISS_CMD_STATUS_HARDWARE_ERROR; | |
6578 | break; | |
6579 | case PQI_DATA_IN_OUT_UNSOLICITED_ABORT: | |
6580 | ciss_cmd_status = CISS_CMD_STATUS_UNSOLICITED_ABORT; | |
6581 | break; | |
6582 | case PQI_DATA_IN_OUT_ABORTED: | |
6583 | ciss_cmd_status = CISS_CMD_STATUS_ABORTED; | |
6584 | break; | |
6585 | case PQI_DATA_IN_OUT_TIMEOUT: | |
6586 | ciss_cmd_status = CISS_CMD_STATUS_TIMEOUT; | |
6587 | break; | |
6588 | default: | |
6589 | ciss_cmd_status = CISS_CMD_STATUS_TARGET_STATUS; | |
6590 | break; | |
6591 | } | |
6592 | ||
6593 | sense_data_length = | |
6594 | get_unaligned_le16(&pqi_error_info->sense_data_length); | |
6595 | if (sense_data_length == 0) | |
6596 | sense_data_length = | |
6597 | get_unaligned_le16(&pqi_error_info->response_data_length); | |
6598 | if (sense_data_length) | |
6599 | if (sense_data_length > sizeof(pqi_error_info->data)) | |
6600 | sense_data_length = sizeof(pqi_error_info->data); | |
6601 | ||
6602 | ciss_error_info->scsi_status = pqi_error_info->status; | |
6603 | ciss_error_info->command_status = ciss_cmd_status; | |
6604 | ciss_error_info->sense_data_length = sense_data_length; | |
6605 | } | |
6606 | ||
6607 | static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) | |
6608 | { | |
6609 | int rc; | |
6610 | char *kernel_buffer = NULL; | |
6611 | u16 iu_length; | |
6612 | size_t sense_data_length; | |
6613 | IOCTL_Command_struct iocommand; | |
6614 | struct pqi_raid_path_request request; | |
6615 | struct pqi_raid_error_info pqi_error_info; | |
6616 | struct ciss_error_info ciss_error_info; | |
6617 | ||
6618 | if (pqi_ctrl_offline(ctrl_info)) | |
6619 | return -ENXIO; | |
2790cd4d KB |
6620 | if (pqi_ofa_in_progress(ctrl_info) && pqi_ctrl_blocked(ctrl_info)) |
6621 | return -EBUSY; | |
6c223761 KB |
6622 | if (!arg) |
6623 | return -EINVAL; | |
6624 | if (!capable(CAP_SYS_RAWIO)) | |
6625 | return -EPERM; | |
6626 | if (copy_from_user(&iocommand, arg, sizeof(iocommand))) | |
6627 | return -EFAULT; | |
6628 | if (iocommand.buf_size < 1 && | |
6629 | iocommand.Request.Type.Direction != XFER_NONE) | |
6630 | return -EINVAL; | |
6631 | if (iocommand.Request.CDBLen > sizeof(request.cdb)) | |
6632 | return -EINVAL; | |
6633 | if (iocommand.Request.Type.Type != TYPE_CMD) | |
6634 | return -EINVAL; | |
6635 | ||
6636 | switch (iocommand.Request.Type.Direction) { | |
6637 | case XFER_NONE: | |
6638 | case XFER_WRITE: | |
6639 | case XFER_READ: | |
41555d54 | 6640 | case XFER_READ | XFER_WRITE: |
6c223761 KB |
6641 | break; |
6642 | default: | |
6643 | return -EINVAL; | |
6644 | } | |
6645 | ||
6646 | if (iocommand.buf_size > 0) { | |
6647 | kernel_buffer = kmalloc(iocommand.buf_size, GFP_KERNEL); | |
6648 | if (!kernel_buffer) | |
6649 | return -ENOMEM; | |
6650 | if (iocommand.Request.Type.Direction & XFER_WRITE) { | |
6651 | if (copy_from_user(kernel_buffer, iocommand.buf, | |
6652 | iocommand.buf_size)) { | |
6653 | rc = -EFAULT; | |
6654 | goto out; | |
6655 | } | |
6656 | } else { | |
6657 | memset(kernel_buffer, 0, iocommand.buf_size); | |
6658 | } | |
6659 | } | |
6660 | ||
6661 | memset(&request, 0, sizeof(request)); | |
6662 | ||
6663 | request.header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
6664 | iu_length = offsetof(struct pqi_raid_path_request, sg_descriptors) - | |
6665 | PQI_REQUEST_HEADER_LENGTH; | |
6666 | memcpy(request.lun_number, iocommand.LUN_info.LunAddrBytes, | |
6667 | sizeof(request.lun_number)); | |
6668 | memcpy(request.cdb, iocommand.Request.CDB, iocommand.Request.CDBLen); | |
6669 | request.additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; | |
6670 | ||
6671 | switch (iocommand.Request.Type.Direction) { | |
6672 | case XFER_NONE: | |
6673 | request.data_direction = SOP_NO_DIRECTION_FLAG; | |
6674 | break; | |
6675 | case XFER_WRITE: | |
6676 | request.data_direction = SOP_WRITE_FLAG; | |
6677 | break; | |
6678 | case XFER_READ: | |
6679 | request.data_direction = SOP_READ_FLAG; | |
6680 | break; | |
41555d54 KB |
6681 | case XFER_READ | XFER_WRITE: |
6682 | request.data_direction = SOP_BIDIRECTIONAL; | |
6683 | break; | |
6c223761 KB |
6684 | } |
6685 | ||
6686 | request.task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
6687 | ||
6688 | if (iocommand.buf_size > 0) { | |
6689 | put_unaligned_le32(iocommand.buf_size, &request.buffer_length); | |
6690 | ||
6691 | rc = pqi_map_single(ctrl_info->pci_dev, | |
6692 | &request.sg_descriptors[0], kernel_buffer, | |
6917a9cc | 6693 | iocommand.buf_size, DMA_BIDIRECTIONAL); |
6c223761 KB |
6694 | if (rc) |
6695 | goto out; | |
6696 | ||
6697 | iu_length += sizeof(request.sg_descriptors[0]); | |
6698 | } | |
6699 | ||
6700 | put_unaligned_le16(iu_length, &request.header.iu_length); | |
6701 | ||
21432010 | 6702 | if (ctrl_info->raid_iu_timeout_supported) |
6703 | put_unaligned_le32(iocommand.Request.Timeout, &request.timeout); | |
6704 | ||
6c223761 | 6705 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, |
ae0c189d | 6706 | PQI_SYNC_FLAGS_INTERRUPTABLE, &pqi_error_info); |
6c223761 KB |
6707 | |
6708 | if (iocommand.buf_size > 0) | |
6709 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, | |
6917a9cc | 6710 | DMA_BIDIRECTIONAL); |
6c223761 KB |
6711 | |
6712 | memset(&iocommand.error_info, 0, sizeof(iocommand.error_info)); | |
6713 | ||
6714 | if (rc == 0) { | |
6715 | pqi_error_info_to_ciss(&pqi_error_info, &ciss_error_info); | |
6716 | iocommand.error_info.ScsiStatus = ciss_error_info.scsi_status; | |
6717 | iocommand.error_info.CommandStatus = | |
6718 | ciss_error_info.command_status; | |
6719 | sense_data_length = ciss_error_info.sense_data_length; | |
6720 | if (sense_data_length) { | |
6721 | if (sense_data_length > | |
6722 | sizeof(iocommand.error_info.SenseInfo)) | |
6723 | sense_data_length = | |
6724 | sizeof(iocommand.error_info.SenseInfo); | |
6725 | memcpy(iocommand.error_info.SenseInfo, | |
6726 | pqi_error_info.data, sense_data_length); | |
6727 | iocommand.error_info.SenseLen = sense_data_length; | |
6728 | } | |
6729 | } | |
6730 | ||
6731 | if (copy_to_user(arg, &iocommand, sizeof(iocommand))) { | |
6732 | rc = -EFAULT; | |
6733 | goto out; | |
6734 | } | |
6735 | ||
6736 | if (rc == 0 && iocommand.buf_size > 0 && | |
6737 | (iocommand.Request.Type.Direction & XFER_READ)) { | |
6738 | if (copy_to_user(iocommand.buf, kernel_buffer, | |
6739 | iocommand.buf_size)) { | |
6740 | rc = -EFAULT; | |
6741 | } | |
6742 | } | |
6743 | ||
6744 | out: | |
6745 | kfree(kernel_buffer); | |
6746 | ||
6747 | return rc; | |
6748 | } | |
6749 | ||
6f4e626f NC |
6750 | static int pqi_ioctl(struct scsi_device *sdev, unsigned int cmd, |
6751 | void __user *arg) | |
6c223761 KB |
6752 | { |
6753 | int rc; | |
6754 | struct pqi_ctrl_info *ctrl_info; | |
6755 | ||
6756 | ctrl_info = shost_to_hba(sdev->host); | |
6757 | ||
6758 | switch (cmd) { | |
6759 | case CCISS_DEREGDISK: | |
6760 | case CCISS_REGNEWDISK: | |
6761 | case CCISS_REGNEWD: | |
6762 | rc = pqi_scan_scsi_devices(ctrl_info); | |
6763 | break; | |
6764 | case CCISS_GETPCIINFO: | |
6765 | rc = pqi_getpciinfo_ioctl(ctrl_info, arg); | |
6766 | break; | |
6767 | case CCISS_GETDRIVVER: | |
6768 | rc = pqi_getdrivver_ioctl(arg); | |
6769 | break; | |
6770 | case CCISS_PASSTHRU: | |
6771 | rc = pqi_passthru_ioctl(ctrl_info, arg); | |
6772 | break; | |
6773 | default: | |
6774 | rc = -EINVAL; | |
6775 | break; | |
6776 | } | |
6777 | ||
6778 | return rc; | |
6779 | } | |
6780 | ||
6d90615f | 6781 | static ssize_t pqi_firmware_version_show(struct device *dev, |
6c223761 KB |
6782 | struct device_attribute *attr, char *buffer) |
6783 | { | |
6c223761 KB |
6784 | struct Scsi_Host *shost; |
6785 | struct pqi_ctrl_info *ctrl_info; | |
6786 | ||
6787 | shost = class_to_shost(dev); | |
6788 | ctrl_info = shost_to_hba(shost); | |
6789 | ||
a4256252 | 6790 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->firmware_version); |
6d90615f MB |
6791 | } |
6792 | ||
6793 | static ssize_t pqi_driver_version_show(struct device *dev, | |
6794 | struct device_attribute *attr, char *buffer) | |
6795 | { | |
a4256252 | 6796 | return scnprintf(buffer, PAGE_SIZE, "%s\n", DRIVER_VERSION BUILD_TIMESTAMP); |
6d90615f | 6797 | } |
6c223761 | 6798 | |
6d90615f MB |
6799 | static ssize_t pqi_serial_number_show(struct device *dev, |
6800 | struct device_attribute *attr, char *buffer) | |
6801 | { | |
6802 | struct Scsi_Host *shost; | |
6803 | struct pqi_ctrl_info *ctrl_info; | |
6804 | ||
6805 | shost = class_to_shost(dev); | |
6806 | ctrl_info = shost_to_hba(shost); | |
6807 | ||
a4256252 | 6808 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->serial_number); |
6d90615f MB |
6809 | } |
6810 | ||
6811 | static ssize_t pqi_model_show(struct device *dev, | |
6812 | struct device_attribute *attr, char *buffer) | |
6813 | { | |
6814 | struct Scsi_Host *shost; | |
6815 | struct pqi_ctrl_info *ctrl_info; | |
6816 | ||
6817 | shost = class_to_shost(dev); | |
6818 | ctrl_info = shost_to_hba(shost); | |
6819 | ||
a4256252 | 6820 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->model); |
6d90615f MB |
6821 | } |
6822 | ||
6823 | static ssize_t pqi_vendor_show(struct device *dev, | |
6824 | struct device_attribute *attr, char *buffer) | |
6825 | { | |
6826 | struct Scsi_Host *shost; | |
6827 | struct pqi_ctrl_info *ctrl_info; | |
6828 | ||
6829 | shost = class_to_shost(dev); | |
6830 | ctrl_info = shost_to_hba(shost); | |
6831 | ||
a4256252 | 6832 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->vendor); |
6c223761 KB |
6833 | } |
6834 | ||
6835 | static ssize_t pqi_host_rescan_store(struct device *dev, | |
6836 | struct device_attribute *attr, const char *buffer, size_t count) | |
6837 | { | |
6838 | struct Scsi_Host *shost = class_to_shost(dev); | |
6839 | ||
6840 | pqi_scan_start(shost); | |
6841 | ||
6842 | return count; | |
6843 | } | |
6844 | ||
3c50976f KB |
6845 | static ssize_t pqi_lockup_action_show(struct device *dev, |
6846 | struct device_attribute *attr, char *buffer) | |
6847 | { | |
6848 | int count = 0; | |
6849 | unsigned int i; | |
6850 | ||
6851 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
6852 | if (pqi_lockup_actions[i].action == pqi_lockup_action) | |
181aea89 | 6853 | count += scnprintf(buffer + count, PAGE_SIZE - count, |
3c50976f KB |
6854 | "[%s] ", pqi_lockup_actions[i].name); |
6855 | else | |
181aea89 | 6856 | count += scnprintf(buffer + count, PAGE_SIZE - count, |
3c50976f KB |
6857 | "%s ", pqi_lockup_actions[i].name); |
6858 | } | |
6859 | ||
181aea89 | 6860 | count += scnprintf(buffer + count, PAGE_SIZE - count, "\n"); |
3c50976f KB |
6861 | |
6862 | return count; | |
6863 | } | |
6864 | ||
6865 | static ssize_t pqi_lockup_action_store(struct device *dev, | |
6866 | struct device_attribute *attr, const char *buffer, size_t count) | |
6867 | { | |
6868 | unsigned int i; | |
6869 | char *action_name; | |
6870 | char action_name_buffer[32]; | |
6871 | ||
6872 | strlcpy(action_name_buffer, buffer, sizeof(action_name_buffer)); | |
6873 | action_name = strstrip(action_name_buffer); | |
6874 | ||
6875 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
6876 | if (strcmp(action_name, pqi_lockup_actions[i].name) == 0) { | |
6877 | pqi_lockup_action = pqi_lockup_actions[i].action; | |
6878 | return count; | |
6879 | } | |
6880 | } | |
6881 | ||
6882 | return -EINVAL; | |
6883 | } | |
6884 | ||
5be746d7 DB |
6885 | static ssize_t pqi_host_enable_stream_detection_show(struct device *dev, |
6886 | struct device_attribute *attr, char *buffer) | |
6887 | { | |
6888 | struct Scsi_Host *shost = class_to_shost(dev); | |
6889 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6890 | ||
6891 | return scnprintf(buffer, 10, "%x\n", | |
6892 | ctrl_info->enable_stream_detection); | |
6893 | } | |
6894 | ||
6895 | static ssize_t pqi_host_enable_stream_detection_store(struct device *dev, | |
6896 | struct device_attribute *attr, const char *buffer, size_t count) | |
6897 | { | |
6898 | struct Scsi_Host *shost = class_to_shost(dev); | |
6899 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6900 | u8 set_stream_detection = 0; | |
6901 | ||
6902 | if (kstrtou8(buffer, 0, &set_stream_detection)) | |
6903 | return -EINVAL; | |
6904 | ||
6905 | if (set_stream_detection > 0) | |
6906 | set_stream_detection = 1; | |
6907 | ||
6908 | ctrl_info->enable_stream_detection = set_stream_detection; | |
6909 | ||
6910 | return count; | |
6911 | } | |
6912 | ||
6702d2c4 DB |
6913 | static ssize_t pqi_host_enable_r5_writes_show(struct device *dev, |
6914 | struct device_attribute *attr, char *buffer) | |
6915 | { | |
6916 | struct Scsi_Host *shost = class_to_shost(dev); | |
6917 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6918 | ||
6919 | return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r5_writes); | |
6920 | } | |
6921 | ||
6922 | static ssize_t pqi_host_enable_r5_writes_store(struct device *dev, | |
6923 | struct device_attribute *attr, const char *buffer, size_t count) | |
6924 | { | |
6925 | struct Scsi_Host *shost = class_to_shost(dev); | |
6926 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6927 | u8 set_r5_writes = 0; | |
6928 | ||
6929 | if (kstrtou8(buffer, 0, &set_r5_writes)) | |
6930 | return -EINVAL; | |
6931 | ||
6932 | if (set_r5_writes > 0) | |
6933 | set_r5_writes = 1; | |
6934 | ||
6935 | ctrl_info->enable_r5_writes = set_r5_writes; | |
6936 | ||
6937 | return count; | |
6938 | } | |
6939 | ||
6940 | static ssize_t pqi_host_enable_r6_writes_show(struct device *dev, | |
6941 | struct device_attribute *attr, char *buffer) | |
6942 | { | |
6943 | struct Scsi_Host *shost = class_to_shost(dev); | |
6944 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6945 | ||
6946 | return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r6_writes); | |
6947 | } | |
6948 | ||
6949 | static ssize_t pqi_host_enable_r6_writes_store(struct device *dev, | |
6950 | struct device_attribute *attr, const char *buffer, size_t count) | |
6951 | { | |
6952 | struct Scsi_Host *shost = class_to_shost(dev); | |
6953 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6954 | u8 set_r6_writes = 0; | |
6955 | ||
6956 | if (kstrtou8(buffer, 0, &set_r6_writes)) | |
6957 | return -EINVAL; | |
6958 | ||
6959 | if (set_r6_writes > 0) | |
6960 | set_r6_writes = 1; | |
6961 | ||
6962 | ctrl_info->enable_r6_writes = set_r6_writes; | |
6963 | ||
6964 | return count; | |
6965 | } | |
6966 | ||
6d90615f MB |
6967 | static DEVICE_ATTR(driver_version, 0444, pqi_driver_version_show, NULL); |
6968 | static DEVICE_ATTR(firmware_version, 0444, pqi_firmware_version_show, NULL); | |
6969 | static DEVICE_ATTR(model, 0444, pqi_model_show, NULL); | |
6970 | static DEVICE_ATTR(serial_number, 0444, pqi_serial_number_show, NULL); | |
6971 | static DEVICE_ATTR(vendor, 0444, pqi_vendor_show, NULL); | |
cbe0c7b1 | 6972 | static DEVICE_ATTR(rescan, 0200, NULL, pqi_host_rescan_store); |
583891c9 KB |
6973 | static DEVICE_ATTR(lockup_action, 0644, pqi_lockup_action_show, |
6974 | pqi_lockup_action_store); | |
5be746d7 DB |
6975 | static DEVICE_ATTR(enable_stream_detection, 0644, |
6976 | pqi_host_enable_stream_detection_show, | |
6977 | pqi_host_enable_stream_detection_store); | |
6702d2c4 DB |
6978 | static DEVICE_ATTR(enable_r5_writes, 0644, |
6979 | pqi_host_enable_r5_writes_show, pqi_host_enable_r5_writes_store); | |
6980 | static DEVICE_ATTR(enable_r6_writes, 0644, | |
6981 | pqi_host_enable_r6_writes_show, pqi_host_enable_r6_writes_store); | |
6c223761 | 6982 | |
64fc9015 BVA |
6983 | static struct attribute *pqi_shost_attrs[] = { |
6984 | &dev_attr_driver_version.attr, | |
6985 | &dev_attr_firmware_version.attr, | |
6986 | &dev_attr_model.attr, | |
6987 | &dev_attr_serial_number.attr, | |
6988 | &dev_attr_vendor.attr, | |
6989 | &dev_attr_rescan.attr, | |
6990 | &dev_attr_lockup_action.attr, | |
6991 | &dev_attr_enable_stream_detection.attr, | |
6992 | &dev_attr_enable_r5_writes.attr, | |
6993 | &dev_attr_enable_r6_writes.attr, | |
6c223761 KB |
6994 | NULL |
6995 | }; | |
6996 | ||
64fc9015 BVA |
6997 | ATTRIBUTE_GROUPS(pqi_shost); |
6998 | ||
cd128244 DC |
6999 | static ssize_t pqi_unique_id_show(struct device *dev, |
7000 | struct device_attribute *attr, char *buffer) | |
7001 | { | |
7002 | struct pqi_ctrl_info *ctrl_info; | |
7003 | struct scsi_device *sdev; | |
7004 | struct pqi_scsi_dev *device; | |
7005 | unsigned long flags; | |
5b083b30 | 7006 | u8 unique_id[16]; |
cd128244 DC |
7007 | |
7008 | sdev = to_scsi_device(dev); | |
7009 | ctrl_info = shost_to_hba(sdev->host); | |
7010 | ||
331f7e99 SB |
7011 | if (pqi_ctrl_offline(ctrl_info)) |
7012 | return -ENODEV; | |
7013 | ||
cd128244 DC |
7014 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7015 | ||
7016 | device = sdev->hostdata; | |
7017 | if (!device) { | |
8b664fef | 7018 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7019 | return -ENODEV; |
7020 | } | |
5b083b30 | 7021 | |
28ca6d87 MM |
7022 | if (device->is_physical_device) |
7023 | memcpy(unique_id, device->wwid, sizeof(device->wwid)); | |
7024 | else | |
5b083b30 | 7025 | memcpy(unique_id, device->volume_id, sizeof(device->volume_id)); |
cd128244 DC |
7026 | |
7027 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7028 | ||
a4256252 | 7029 | return scnprintf(buffer, PAGE_SIZE, |
583891c9 KB |
7030 | "%02X%02X%02X%02X%02X%02X%02X%02X" |
7031 | "%02X%02X%02X%02X%02X%02X%02X%02X\n", | |
5b083b30 KB |
7032 | unique_id[0], unique_id[1], unique_id[2], unique_id[3], |
7033 | unique_id[4], unique_id[5], unique_id[6], unique_id[7], | |
7034 | unique_id[8], unique_id[9], unique_id[10], unique_id[11], | |
7035 | unique_id[12], unique_id[13], unique_id[14], unique_id[15]); | |
cd128244 DC |
7036 | } |
7037 | ||
7038 | static ssize_t pqi_lunid_show(struct device *dev, | |
7039 | struct device_attribute *attr, char *buffer) | |
7040 | { | |
7041 | struct pqi_ctrl_info *ctrl_info; | |
7042 | struct scsi_device *sdev; | |
7043 | struct pqi_scsi_dev *device; | |
7044 | unsigned long flags; | |
7045 | u8 lunid[8]; | |
7046 | ||
7047 | sdev = to_scsi_device(dev); | |
7048 | ctrl_info = shost_to_hba(sdev->host); | |
7049 | ||
331f7e99 SB |
7050 | if (pqi_ctrl_offline(ctrl_info)) |
7051 | return -ENODEV; | |
7052 | ||
cd128244 DC |
7053 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7054 | ||
7055 | device = sdev->hostdata; | |
7056 | if (!device) { | |
8b664fef | 7057 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7058 | return -ENODEV; |
7059 | } | |
694c5d5b | 7060 | |
cd128244 DC |
7061 | memcpy(lunid, device->scsi3addr, sizeof(lunid)); |
7062 | ||
7063 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7064 | ||
a4256252 | 7065 | return scnprintf(buffer, PAGE_SIZE, "0x%8phN\n", lunid); |
cd128244 DC |
7066 | } |
7067 | ||
694c5d5b KB |
7068 | #define MAX_PATHS 8 |
7069 | ||
cd128244 DC |
7070 | static ssize_t pqi_path_info_show(struct device *dev, |
7071 | struct device_attribute *attr, char *buf) | |
7072 | { | |
7073 | struct pqi_ctrl_info *ctrl_info; | |
7074 | struct scsi_device *sdev; | |
7075 | struct pqi_scsi_dev *device; | |
7076 | unsigned long flags; | |
7077 | int i; | |
7078 | int output_len = 0; | |
7079 | u8 box; | |
7080 | u8 bay; | |
694c5d5b | 7081 | u8 path_map_index; |
cd128244 | 7082 | char *active; |
694c5d5b | 7083 | u8 phys_connector[2]; |
cd128244 DC |
7084 | |
7085 | sdev = to_scsi_device(dev); | |
7086 | ctrl_info = shost_to_hba(sdev->host); | |
7087 | ||
331f7e99 SB |
7088 | if (pqi_ctrl_offline(ctrl_info)) |
7089 | return -ENODEV; | |
7090 | ||
cd128244 DC |
7091 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7092 | ||
7093 | device = sdev->hostdata; | |
7094 | if (!device) { | |
8b664fef | 7095 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7096 | return -ENODEV; |
7097 | } | |
7098 | ||
7099 | bay = device->bay; | |
7100 | for (i = 0; i < MAX_PATHS; i++) { | |
694c5d5b | 7101 | path_map_index = 1 << i; |
cd128244 DC |
7102 | if (i == device->active_path_index) |
7103 | active = "Active"; | |
7104 | else if (device->path_map & path_map_index) | |
7105 | active = "Inactive"; | |
7106 | else | |
7107 | continue; | |
7108 | ||
7109 | output_len += scnprintf(buf + output_len, | |
7110 | PAGE_SIZE - output_len, | |
7111 | "[%d:%d:%d:%d] %20.20s ", | |
7112 | ctrl_info->scsi_host->host_no, | |
7113 | device->bus, device->target, | |
7114 | device->lun, | |
7115 | scsi_device_type(device->devtype)); | |
7116 | ||
7117 | if (device->devtype == TYPE_RAID || | |
7118 | pqi_is_logical_device(device)) | |
7119 | goto end_buffer; | |
7120 | ||
7121 | memcpy(&phys_connector, &device->phys_connector[i], | |
7122 | sizeof(phys_connector)); | |
7123 | if (phys_connector[0] < '0') | |
7124 | phys_connector[0] = '0'; | |
7125 | if (phys_connector[1] < '0') | |
7126 | phys_connector[1] = '0'; | |
7127 | ||
7128 | output_len += scnprintf(buf + output_len, | |
7129 | PAGE_SIZE - output_len, | |
7130 | "PORT: %.2s ", phys_connector); | |
7131 | ||
7132 | box = device->box[i]; | |
7133 | if (box != 0 && box != 0xFF) | |
7134 | output_len += scnprintf(buf + output_len, | |
7135 | PAGE_SIZE - output_len, | |
7136 | "BOX: %hhu ", box); | |
7137 | ||
7138 | if ((device->devtype == TYPE_DISK || | |
7139 | device->devtype == TYPE_ZBC) && | |
7140 | pqi_expose_device(device)) | |
7141 | output_len += scnprintf(buf + output_len, | |
7142 | PAGE_SIZE - output_len, | |
7143 | "BAY: %hhu ", bay); | |
7144 | ||
7145 | end_buffer: | |
7146 | output_len += scnprintf(buf + output_len, | |
7147 | PAGE_SIZE - output_len, | |
7148 | "%s\n", active); | |
7149 | } | |
7150 | ||
7151 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
694c5d5b | 7152 | |
cd128244 DC |
7153 | return output_len; |
7154 | } | |
7155 | ||
6c223761 KB |
7156 | static ssize_t pqi_sas_address_show(struct device *dev, |
7157 | struct device_attribute *attr, char *buffer) | |
7158 | { | |
7159 | struct pqi_ctrl_info *ctrl_info; | |
7160 | struct scsi_device *sdev; | |
7161 | struct pqi_scsi_dev *device; | |
7162 | unsigned long flags; | |
7163 | u64 sas_address; | |
7164 | ||
7165 | sdev = to_scsi_device(dev); | |
7166 | ctrl_info = shost_to_hba(sdev->host); | |
7167 | ||
331f7e99 SB |
7168 | if (pqi_ctrl_offline(ctrl_info)) |
7169 | return -ENODEV; | |
7170 | ||
6c223761 KB |
7171 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7172 | ||
7173 | device = sdev->hostdata; | |
00598b05 | 7174 | if (!device) { |
8b664fef | 7175 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
6c223761 KB |
7176 | return -ENODEV; |
7177 | } | |
694c5d5b | 7178 | |
6c223761 KB |
7179 | sas_address = device->sas_address; |
7180 | ||
7181 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7182 | ||
a4256252 | 7183 | return scnprintf(buffer, PAGE_SIZE, "0x%016llx\n", sas_address); |
6c223761 KB |
7184 | } |
7185 | ||
7186 | static ssize_t pqi_ssd_smart_path_enabled_show(struct device *dev, | |
7187 | struct device_attribute *attr, char *buffer) | |
7188 | { | |
7189 | struct pqi_ctrl_info *ctrl_info; | |
7190 | struct scsi_device *sdev; | |
7191 | struct pqi_scsi_dev *device; | |
7192 | unsigned long flags; | |
7193 | ||
7194 | sdev = to_scsi_device(dev); | |
7195 | ctrl_info = shost_to_hba(sdev->host); | |
7196 | ||
331f7e99 SB |
7197 | if (pqi_ctrl_offline(ctrl_info)) |
7198 | return -ENODEV; | |
7199 | ||
6c223761 KB |
7200 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7201 | ||
7202 | device = sdev->hostdata; | |
8b664fef KB |
7203 | if (!device) { |
7204 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7205 | return -ENODEV; | |
7206 | } | |
7207 | ||
588a63fe | 7208 | buffer[0] = device->raid_bypass_enabled ? '1' : '0'; |
6c223761 KB |
7209 | buffer[1] = '\n'; |
7210 | buffer[2] = '\0'; | |
7211 | ||
7212 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7213 | ||
7214 | return 2; | |
7215 | } | |
7216 | ||
a9f93392 KB |
7217 | static ssize_t pqi_raid_level_show(struct device *dev, |
7218 | struct device_attribute *attr, char *buffer) | |
7219 | { | |
7220 | struct pqi_ctrl_info *ctrl_info; | |
7221 | struct scsi_device *sdev; | |
7222 | struct pqi_scsi_dev *device; | |
7223 | unsigned long flags; | |
7224 | char *raid_level; | |
7225 | ||
7226 | sdev = to_scsi_device(dev); | |
7227 | ctrl_info = shost_to_hba(sdev->host); | |
7228 | ||
331f7e99 SB |
7229 | if (pqi_ctrl_offline(ctrl_info)) |
7230 | return -ENODEV; | |
7231 | ||
a9f93392 KB |
7232 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7233 | ||
7234 | device = sdev->hostdata; | |
8b664fef KB |
7235 | if (!device) { |
7236 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7237 | return -ENODEV; | |
7238 | } | |
a9f93392 KB |
7239 | |
7240 | if (pqi_is_logical_device(device)) | |
7241 | raid_level = pqi_raid_level_to_string(device->raid_level); | |
7242 | else | |
7243 | raid_level = "N/A"; | |
7244 | ||
7245 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7246 | ||
a4256252 | 7247 | return scnprintf(buffer, PAGE_SIZE, "%s\n", raid_level); |
a9f93392 KB |
7248 | } |
7249 | ||
8b664fef KB |
7250 | static ssize_t pqi_raid_bypass_cnt_show(struct device *dev, |
7251 | struct device_attribute *attr, char *buffer) | |
7252 | { | |
7253 | struct pqi_ctrl_info *ctrl_info; | |
7254 | struct scsi_device *sdev; | |
7255 | struct pqi_scsi_dev *device; | |
7256 | unsigned long flags; | |
7257 | int raid_bypass_cnt; | |
7258 | ||
7259 | sdev = to_scsi_device(dev); | |
7260 | ctrl_info = shost_to_hba(sdev->host); | |
7261 | ||
331f7e99 SB |
7262 | if (pqi_ctrl_offline(ctrl_info)) |
7263 | return -ENODEV; | |
7264 | ||
8b664fef KB |
7265 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7266 | ||
7267 | device = sdev->hostdata; | |
7268 | if (!device) { | |
7269 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7270 | return -ENODEV; | |
7271 | } | |
7272 | ||
7273 | raid_bypass_cnt = atomic_read(&device->raid_bypass_cnt); | |
7274 | ||
7275 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7276 | ||
a4256252 | 7277 | return scnprintf(buffer, PAGE_SIZE, "0x%x\n", raid_bypass_cnt); |
8b664fef KB |
7278 | } |
7279 | ||
2a47834d GW |
7280 | static ssize_t pqi_sas_ncq_prio_enable_show(struct device *dev, |
7281 | struct device_attribute *attr, char *buf) | |
7282 | { | |
7283 | struct pqi_ctrl_info *ctrl_info; | |
7284 | struct scsi_device *sdev; | |
7285 | struct pqi_scsi_dev *device; | |
7286 | unsigned long flags; | |
7287 | int output_len = 0; | |
7288 | ||
7289 | sdev = to_scsi_device(dev); | |
7290 | ctrl_info = shost_to_hba(sdev->host); | |
7291 | ||
331f7e99 SB |
7292 | if (pqi_ctrl_offline(ctrl_info)) |
7293 | return -ENODEV; | |
7294 | ||
2a47834d GW |
7295 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7296 | ||
7297 | device = sdev->hostdata; | |
7298 | if (!device) { | |
7299 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7300 | return -ENODEV; | |
7301 | } | |
7302 | ||
7303 | output_len = snprintf(buf, PAGE_SIZE, "%d\n", | |
7304 | device->ncq_prio_enable); | |
7305 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7306 | ||
7307 | return output_len; | |
7308 | } | |
7309 | ||
7310 | static ssize_t pqi_sas_ncq_prio_enable_store(struct device *dev, | |
7311 | struct device_attribute *attr, | |
7312 | const char *buf, size_t count) | |
7313 | { | |
7314 | struct pqi_ctrl_info *ctrl_info; | |
7315 | struct scsi_device *sdev; | |
7316 | struct pqi_scsi_dev *device; | |
7317 | unsigned long flags; | |
7318 | u8 ncq_prio_enable = 0; | |
7319 | ||
7320 | if (kstrtou8(buf, 0, &ncq_prio_enable)) | |
7321 | return -EINVAL; | |
7322 | ||
7323 | sdev = to_scsi_device(dev); | |
7324 | ctrl_info = shost_to_hba(sdev->host); | |
7325 | ||
7326 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
7327 | ||
7328 | device = sdev->hostdata; | |
7329 | ||
7330 | if (!device) { | |
7331 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7332 | return -ENODEV; | |
7333 | } | |
7334 | ||
7335 | if (!device->ncq_prio_support || | |
7336 | !device->is_physical_device) { | |
7337 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7338 | return -EINVAL; | |
7339 | } | |
7340 | ||
7341 | device->ncq_prio_enable = ncq_prio_enable; | |
7342 | ||
7343 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7344 | ||
7345 | return strlen(buf); | |
7346 | } | |
7347 | ||
cd128244 DC |
7348 | static DEVICE_ATTR(lunid, 0444, pqi_lunid_show, NULL); |
7349 | static DEVICE_ATTR(unique_id, 0444, pqi_unique_id_show, NULL); | |
7350 | static DEVICE_ATTR(path_info, 0444, pqi_path_info_show, NULL); | |
cbe0c7b1 | 7351 | static DEVICE_ATTR(sas_address, 0444, pqi_sas_address_show, NULL); |
8b664fef | 7352 | static DEVICE_ATTR(ssd_smart_path_enabled, 0444, pqi_ssd_smart_path_enabled_show, NULL); |
a9f93392 | 7353 | static DEVICE_ATTR(raid_level, 0444, pqi_raid_level_show, NULL); |
8b664fef | 7354 | static DEVICE_ATTR(raid_bypass_cnt, 0444, pqi_raid_bypass_cnt_show, NULL); |
2a47834d GW |
7355 | static DEVICE_ATTR(sas_ncq_prio_enable, 0644, |
7356 | pqi_sas_ncq_prio_enable_show, pqi_sas_ncq_prio_enable_store); | |
6c223761 | 7357 | |
64fc9015 BVA |
7358 | static struct attribute *pqi_sdev_attrs[] = { |
7359 | &dev_attr_lunid.attr, | |
7360 | &dev_attr_unique_id.attr, | |
7361 | &dev_attr_path_info.attr, | |
7362 | &dev_attr_sas_address.attr, | |
7363 | &dev_attr_ssd_smart_path_enabled.attr, | |
7364 | &dev_attr_raid_level.attr, | |
7365 | &dev_attr_raid_bypass_cnt.attr, | |
2a47834d | 7366 | &dev_attr_sas_ncq_prio_enable.attr, |
6c223761 KB |
7367 | NULL |
7368 | }; | |
7369 | ||
64fc9015 BVA |
7370 | ATTRIBUTE_GROUPS(pqi_sdev); |
7371 | ||
6c223761 KB |
7372 | static struct scsi_host_template pqi_driver_template = { |
7373 | .module = THIS_MODULE, | |
7374 | .name = DRIVER_NAME_SHORT, | |
7375 | .proc_name = DRIVER_NAME_SHORT, | |
7376 | .queuecommand = pqi_scsi_queue_command, | |
7377 | .scan_start = pqi_scan_start, | |
7378 | .scan_finished = pqi_scan_finished, | |
7379 | .this_id = -1, | |
6c223761 KB |
7380 | .eh_device_reset_handler = pqi_eh_device_reset_handler, |
7381 | .ioctl = pqi_ioctl, | |
7382 | .slave_alloc = pqi_slave_alloc, | |
ce143793 | 7383 | .slave_configure = pqi_slave_configure, |
2d80f405 | 7384 | .slave_destroy = pqi_slave_destroy, |
52198226 | 7385 | .map_queues = pqi_map_queues, |
64fc9015 BVA |
7386 | .sdev_groups = pqi_sdev_groups, |
7387 | .shost_groups = pqi_shost_groups, | |
c1ea387d | 7388 | .cmd_size = sizeof(struct pqi_cmd_priv), |
6c223761 KB |
7389 | }; |
7390 | ||
7391 | static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) | |
7392 | { | |
7393 | int rc; | |
7394 | struct Scsi_Host *shost; | |
7395 | ||
7396 | shost = scsi_host_alloc(&pqi_driver_template, sizeof(ctrl_info)); | |
7397 | if (!shost) { | |
583891c9 | 7398 | dev_err(&ctrl_info->pci_dev->dev, "scsi_host_alloc failed\n"); |
6c223761 KB |
7399 | return -ENOMEM; |
7400 | } | |
7401 | ||
7402 | shost->io_port = 0; | |
7403 | shost->n_io_port = 0; | |
7404 | shost->this_id = -1; | |
7405 | shost->max_channel = PQI_MAX_BUS; | |
7406 | shost->max_cmd_len = MAX_COMMAND_SIZE; | |
904f2bfd | 7407 | shost->max_lun = PQI_MAX_LUNS_PER_DEVICE; |
6c223761 KB |
7408 | shost->max_lun = ~0; |
7409 | shost->max_id = ~0; | |
7410 | shost->max_sectors = ctrl_info->max_sectors; | |
7411 | shost->can_queue = ctrl_info->scsi_ml_can_queue; | |
7412 | shost->cmd_per_lun = shost->can_queue; | |
7413 | shost->sg_tablesize = ctrl_info->sg_tablesize; | |
7414 | shost->transportt = pqi_sas_transport_template; | |
52198226 | 7415 | shost->irq = pci_irq_vector(ctrl_info->pci_dev, 0); |
6c223761 KB |
7416 | shost->unique_id = shost->irq; |
7417 | shost->nr_hw_queues = ctrl_info->num_queue_groups; | |
c6d3ee20 | 7418 | shost->host_tagset = 1; |
6c223761 KB |
7419 | shost->hostdata[0] = (unsigned long)ctrl_info; |
7420 | ||
7421 | rc = scsi_add_host(shost, &ctrl_info->pci_dev->dev); | |
7422 | if (rc) { | |
583891c9 | 7423 | dev_err(&ctrl_info->pci_dev->dev, "scsi_add_host failed\n"); |
6c223761 KB |
7424 | goto free_host; |
7425 | } | |
7426 | ||
7427 | rc = pqi_add_sas_host(shost, ctrl_info); | |
7428 | if (rc) { | |
583891c9 | 7429 | dev_err(&ctrl_info->pci_dev->dev, "add SAS host failed\n"); |
6c223761 KB |
7430 | goto remove_host; |
7431 | } | |
7432 | ||
7433 | ctrl_info->scsi_host = shost; | |
7434 | ||
7435 | return 0; | |
7436 | ||
7437 | remove_host: | |
7438 | scsi_remove_host(shost); | |
7439 | free_host: | |
7440 | scsi_host_put(shost); | |
7441 | ||
7442 | return rc; | |
7443 | } | |
7444 | ||
7445 | static void pqi_unregister_scsi(struct pqi_ctrl_info *ctrl_info) | |
7446 | { | |
7447 | struct Scsi_Host *shost; | |
7448 | ||
7449 | pqi_delete_sas_host(ctrl_info); | |
7450 | ||
7451 | shost = ctrl_info->scsi_host; | |
7452 | if (!shost) | |
7453 | return; | |
7454 | ||
7455 | scsi_remove_host(shost); | |
7456 | scsi_host_put(shost); | |
7457 | } | |
7458 | ||
336b6819 KB |
7459 | static int pqi_wait_for_pqi_reset_completion(struct pqi_ctrl_info *ctrl_info) |
7460 | { | |
7461 | int rc = 0; | |
7462 | struct pqi_device_registers __iomem *pqi_registers; | |
7463 | unsigned long timeout; | |
7464 | unsigned int timeout_msecs; | |
7465 | union pqi_reset_register reset_reg; | |
6c223761 | 7466 | |
336b6819 KB |
7467 | pqi_registers = ctrl_info->pqi_registers; |
7468 | timeout_msecs = readw(&pqi_registers->max_reset_timeout) * 100; | |
7469 | timeout = msecs_to_jiffies(timeout_msecs) + jiffies; | |
7470 | ||
7471 | while (1) { | |
7472 | msleep(PQI_RESET_POLL_INTERVAL_MSECS); | |
7473 | reset_reg.all_bits = readl(&pqi_registers->device_reset); | |
7474 | if (reset_reg.bits.reset_action == PQI_RESET_ACTION_COMPLETED) | |
7475 | break; | |
85b41834 | 7476 | if (!sis_is_firmware_running(ctrl_info)) { |
336b6819 KB |
7477 | rc = -ENXIO; |
7478 | break; | |
7479 | } | |
7480 | if (time_after(jiffies, timeout)) { | |
7481 | rc = -ETIMEDOUT; | |
7482 | break; | |
7483 | } | |
7484 | } | |
7485 | ||
7486 | return rc; | |
7487 | } | |
6c223761 KB |
7488 | |
7489 | static int pqi_reset(struct pqi_ctrl_info *ctrl_info) | |
7490 | { | |
7491 | int rc; | |
336b6819 KB |
7492 | union pqi_reset_register reset_reg; |
7493 | ||
7494 | if (ctrl_info->pqi_reset_quiesce_supported) { | |
7495 | rc = sis_pqi_reset_quiesce(ctrl_info); | |
7496 | if (rc) { | |
7497 | dev_err(&ctrl_info->pci_dev->dev, | |
583891c9 | 7498 | "PQI reset failed during quiesce with error %d\n", rc); |
336b6819 KB |
7499 | return rc; |
7500 | } | |
7501 | } | |
6c223761 | 7502 | |
336b6819 KB |
7503 | reset_reg.all_bits = 0; |
7504 | reset_reg.bits.reset_type = PQI_RESET_TYPE_HARD_RESET; | |
7505 | reset_reg.bits.reset_action = PQI_RESET_ACTION_RESET; | |
6c223761 | 7506 | |
336b6819 | 7507 | writel(reset_reg.all_bits, &ctrl_info->pqi_registers->device_reset); |
6c223761 | 7508 | |
336b6819 | 7509 | rc = pqi_wait_for_pqi_reset_completion(ctrl_info); |
6c223761 KB |
7510 | if (rc) |
7511 | dev_err(&ctrl_info->pci_dev->dev, | |
336b6819 | 7512 | "PQI reset failed with error %d\n", rc); |
6c223761 KB |
7513 | |
7514 | return rc; | |
7515 | } | |
7516 | ||
6d90615f MB |
7517 | static int pqi_get_ctrl_serial_number(struct pqi_ctrl_info *ctrl_info) |
7518 | { | |
7519 | int rc; | |
7520 | struct bmic_sense_subsystem_info *sense_info; | |
7521 | ||
7522 | sense_info = kzalloc(sizeof(*sense_info), GFP_KERNEL); | |
7523 | if (!sense_info) | |
7524 | return -ENOMEM; | |
7525 | ||
7526 | rc = pqi_sense_subsystem_info(ctrl_info, sense_info); | |
7527 | if (rc) | |
7528 | goto out; | |
7529 | ||
7530 | memcpy(ctrl_info->serial_number, sense_info->ctrl_serial_number, | |
7531 | sizeof(sense_info->ctrl_serial_number)); | |
7532 | ctrl_info->serial_number[sizeof(sense_info->ctrl_serial_number)] = '\0'; | |
7533 | ||
7534 | out: | |
7535 | kfree(sense_info); | |
7536 | ||
7537 | return rc; | |
7538 | } | |
7539 | ||
7540 | static int pqi_get_ctrl_product_details(struct pqi_ctrl_info *ctrl_info) | |
6c223761 KB |
7541 | { |
7542 | int rc; | |
7543 | struct bmic_identify_controller *identify; | |
7544 | ||
7545 | identify = kmalloc(sizeof(*identify), GFP_KERNEL); | |
7546 | if (!identify) | |
7547 | return -ENOMEM; | |
7548 | ||
7549 | rc = pqi_identify_controller(ctrl_info, identify); | |
7550 | if (rc) | |
7551 | goto out; | |
7552 | ||
598bef8d KB |
7553 | if (get_unaligned_le32(&identify->extra_controller_flags) & |
7554 | BMIC_IDENTIFY_EXTRA_FLAGS_LONG_FW_VERSION_SUPPORTED) { | |
7555 | memcpy(ctrl_info->firmware_version, | |
7556 | identify->firmware_version_long, | |
7557 | sizeof(identify->firmware_version_long)); | |
7558 | } else { | |
7559 | memcpy(ctrl_info->firmware_version, | |
7560 | identify->firmware_version_short, | |
7561 | sizeof(identify->firmware_version_short)); | |
7562 | ctrl_info->firmware_version | |
7563 | [sizeof(identify->firmware_version_short)] = '\0'; | |
7564 | snprintf(ctrl_info->firmware_version + | |
7565 | strlen(ctrl_info->firmware_version), | |
7566 | sizeof(ctrl_info->firmware_version) - | |
7567 | sizeof(identify->firmware_version_short), | |
7568 | "-%u", | |
7569 | get_unaligned_le16(&identify->firmware_build_number)); | |
7570 | } | |
6c223761 | 7571 | |
6d90615f MB |
7572 | memcpy(ctrl_info->model, identify->product_id, |
7573 | sizeof(identify->product_id)); | |
7574 | ctrl_info->model[sizeof(identify->product_id)] = '\0'; | |
7575 | ||
7576 | memcpy(ctrl_info->vendor, identify->vendor_id, | |
7577 | sizeof(identify->vendor_id)); | |
7578 | ctrl_info->vendor[sizeof(identify->vendor_id)] = '\0'; | |
7579 | ||
1d393227 GW |
7580 | dev_info(&ctrl_info->pci_dev->dev, |
7581 | "Firmware version: %s\n", ctrl_info->firmware_version); | |
7582 | ||
6c223761 KB |
7583 | out: |
7584 | kfree(identify); | |
7585 | ||
7586 | return rc; | |
7587 | } | |
7588 | ||
b212c251 KB |
7589 | struct pqi_config_table_section_info { |
7590 | struct pqi_ctrl_info *ctrl_info; | |
7591 | void *section; | |
7592 | u32 section_offset; | |
7593 | void __iomem *section_iomem_addr; | |
7594 | }; | |
7595 | ||
7596 | static inline bool pqi_is_firmware_feature_supported( | |
7597 | struct pqi_config_table_firmware_features *firmware_features, | |
7598 | unsigned int bit_position) | |
98f87667 | 7599 | { |
b212c251 | 7600 | unsigned int byte_index; |
98f87667 | 7601 | |
b212c251 | 7602 | byte_index = bit_position / BITS_PER_BYTE; |
98f87667 | 7603 | |
b212c251 KB |
7604 | if (byte_index >= le16_to_cpu(firmware_features->num_elements)) |
7605 | return false; | |
98f87667 | 7606 | |
b212c251 KB |
7607 | return firmware_features->features_supported[byte_index] & |
7608 | (1 << (bit_position % BITS_PER_BYTE)) ? true : false; | |
7609 | } | |
7610 | ||
7611 | static inline bool pqi_is_firmware_feature_enabled( | |
7612 | struct pqi_config_table_firmware_features *firmware_features, | |
7613 | void __iomem *firmware_features_iomem_addr, | |
7614 | unsigned int bit_position) | |
7615 | { | |
7616 | unsigned int byte_index; | |
7617 | u8 __iomem *features_enabled_iomem_addr; | |
7618 | ||
7619 | byte_index = (bit_position / BITS_PER_BYTE) + | |
7620 | (le16_to_cpu(firmware_features->num_elements) * 2); | |
7621 | ||
7622 | features_enabled_iomem_addr = firmware_features_iomem_addr + | |
7623 | offsetof(struct pqi_config_table_firmware_features, | |
7624 | features_supported) + byte_index; | |
7625 | ||
7626 | return *((__force u8 *)features_enabled_iomem_addr) & | |
7627 | (1 << (bit_position % BITS_PER_BYTE)) ? true : false; | |
7628 | } | |
7629 | ||
7630 | static inline void pqi_request_firmware_feature( | |
7631 | struct pqi_config_table_firmware_features *firmware_features, | |
7632 | unsigned int bit_position) | |
7633 | { | |
7634 | unsigned int byte_index; | |
7635 | ||
7636 | byte_index = (bit_position / BITS_PER_BYTE) + | |
7637 | le16_to_cpu(firmware_features->num_elements); | |
7638 | ||
7639 | firmware_features->features_supported[byte_index] |= | |
7640 | (1 << (bit_position % BITS_PER_BYTE)); | |
7641 | } | |
7642 | ||
7643 | static int pqi_config_table_update(struct pqi_ctrl_info *ctrl_info, | |
7644 | u16 first_section, u16 last_section) | |
7645 | { | |
7646 | struct pqi_vendor_general_request request; | |
7647 | ||
7648 | memset(&request, 0, sizeof(request)); | |
7649 | ||
7650 | request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; | |
7651 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
7652 | &request.header.iu_length); | |
7653 | put_unaligned_le16(PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE, | |
7654 | &request.function_code); | |
7655 | put_unaligned_le16(first_section, | |
7656 | &request.data.config_table_update.first_section); | |
7657 | put_unaligned_le16(last_section, | |
7658 | &request.data.config_table_update.last_section); | |
7659 | ||
ae0c189d | 7660 | return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
b212c251 KB |
7661 | } |
7662 | ||
7663 | static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info, | |
7664 | struct pqi_config_table_firmware_features *firmware_features, | |
7665 | void __iomem *firmware_features_iomem_addr) | |
7666 | { | |
7667 | void *features_requested; | |
7668 | void __iomem *features_requested_iomem_addr; | |
f6cc2a77 | 7669 | void __iomem *host_max_known_feature_iomem_addr; |
b212c251 KB |
7670 | |
7671 | features_requested = firmware_features->features_supported + | |
7672 | le16_to_cpu(firmware_features->num_elements); | |
7673 | ||
7674 | features_requested_iomem_addr = firmware_features_iomem_addr + | |
7675 | (features_requested - (void *)firmware_features); | |
7676 | ||
7677 | memcpy_toio(features_requested_iomem_addr, features_requested, | |
7678 | le16_to_cpu(firmware_features->num_elements)); | |
7679 | ||
f6cc2a77 KB |
7680 | if (pqi_is_firmware_feature_supported(firmware_features, |
7681 | PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE)) { | |
7682 | host_max_known_feature_iomem_addr = | |
7683 | features_requested_iomem_addr + | |
7684 | (le16_to_cpu(firmware_features->num_elements) * 2) + | |
7685 | sizeof(__le16); | |
7686 | writew(PQI_FIRMWARE_FEATURE_MAXIMUM, | |
7687 | host_max_known_feature_iomem_addr); | |
7688 | } | |
7689 | ||
b212c251 KB |
7690 | return pqi_config_table_update(ctrl_info, |
7691 | PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES, | |
7692 | PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES); | |
7693 | } | |
7694 | ||
7695 | struct pqi_firmware_feature { | |
7696 | char *feature_name; | |
7697 | unsigned int feature_bit; | |
7698 | bool supported; | |
7699 | bool enabled; | |
7700 | void (*feature_status)(struct pqi_ctrl_info *ctrl_info, | |
7701 | struct pqi_firmware_feature *firmware_feature); | |
7702 | }; | |
7703 | ||
7704 | static void pqi_firmware_feature_status(struct pqi_ctrl_info *ctrl_info, | |
7705 | struct pqi_firmware_feature *firmware_feature) | |
7706 | { | |
7707 | if (!firmware_feature->supported) { | |
7708 | dev_info(&ctrl_info->pci_dev->dev, "%s not supported by controller\n", | |
7709 | firmware_feature->feature_name); | |
7710 | return; | |
7711 | } | |
7712 | ||
7713 | if (firmware_feature->enabled) { | |
7714 | dev_info(&ctrl_info->pci_dev->dev, | |
7715 | "%s enabled\n", firmware_feature->feature_name); | |
7716 | return; | |
7717 | } | |
7718 | ||
7719 | dev_err(&ctrl_info->pci_dev->dev, "failed to enable %s\n", | |
7720 | firmware_feature->feature_name); | |
7721 | } | |
7722 | ||
21432010 | 7723 | static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, |
7724 | struct pqi_firmware_feature *firmware_feature) | |
7725 | { | |
7726 | switch (firmware_feature->feature_bit) { | |
f6cc2a77 KB |
7727 | case PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS: |
7728 | ctrl_info->enable_r1_writes = firmware_feature->enabled; | |
7729 | break; | |
7730 | case PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS: | |
7731 | ctrl_info->enable_r5_writes = firmware_feature->enabled; | |
7732 | break; | |
7733 | case PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS: | |
7734 | ctrl_info->enable_r6_writes = firmware_feature->enabled; | |
7735 | break; | |
21432010 | 7736 | case PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE: |
7737 | ctrl_info->soft_reset_handshake_supported = | |
4ccc354b KB |
7738 | firmware_feature->enabled && |
7739 | pqi_read_soft_reset_status(ctrl_info); | |
21432010 | 7740 | break; |
7741 | case PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT: | |
583891c9 | 7742 | ctrl_info->raid_iu_timeout_supported = firmware_feature->enabled; |
21432010 | 7743 | break; |
c2922f17 | 7744 | case PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT: |
583891c9 | 7745 | ctrl_info->tmf_iu_timeout_supported = firmware_feature->enabled; |
c2922f17 | 7746 | break; |
5d1f03e6 MB |
7747 | case PQI_FIRMWARE_FEATURE_FW_TRIAGE: |
7748 | ctrl_info->firmware_triage_supported = firmware_feature->enabled; | |
9ee5d6e9 | 7749 | pqi_save_fw_triage_setting(ctrl_info, firmware_feature->enabled); |
5d1f03e6 | 7750 | break; |
28ca6d87 MM |
7751 | case PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5: |
7752 | ctrl_info->rpl_extended_format_4_5_supported = firmware_feature->enabled; | |
7753 | break; | |
904f2bfd KM |
7754 | case PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT: |
7755 | ctrl_info->multi_lun_device_supported = firmware_feature->enabled; | |
7756 | break; | |
21432010 | 7757 | } |
7758 | ||
7759 | pqi_firmware_feature_status(ctrl_info, firmware_feature); | |
7760 | } | |
7761 | ||
b212c251 KB |
7762 | static inline void pqi_firmware_feature_update(struct pqi_ctrl_info *ctrl_info, |
7763 | struct pqi_firmware_feature *firmware_feature) | |
7764 | { | |
7765 | if (firmware_feature->feature_status) | |
7766 | firmware_feature->feature_status(ctrl_info, firmware_feature); | |
7767 | } | |
7768 | ||
7769 | static DEFINE_MUTEX(pqi_firmware_features_mutex); | |
7770 | ||
7771 | static struct pqi_firmware_feature pqi_firmware_features[] = { | |
7772 | { | |
7773 | .feature_name = "Online Firmware Activation", | |
7774 | .feature_bit = PQI_FIRMWARE_FEATURE_OFA, | |
7775 | .feature_status = pqi_firmware_feature_status, | |
7776 | }, | |
7777 | { | |
7778 | .feature_name = "Serial Management Protocol", | |
7779 | .feature_bit = PQI_FIRMWARE_FEATURE_SMP, | |
7780 | .feature_status = pqi_firmware_feature_status, | |
7781 | }, | |
f6cc2a77 KB |
7782 | { |
7783 | .feature_name = "Maximum Known Feature", | |
7784 | .feature_bit = PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE, | |
7785 | .feature_status = pqi_firmware_feature_status, | |
7786 | }, | |
7787 | { | |
7788 | .feature_name = "RAID 0 Read Bypass", | |
7789 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_READ_BYPASS, | |
b212c251 KB |
7790 | .feature_status = pqi_firmware_feature_status, |
7791 | }, | |
7792 | { | |
f6cc2a77 KB |
7793 | .feature_name = "RAID 1 Read Bypass", |
7794 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_READ_BYPASS, | |
7795 | .feature_status = pqi_firmware_feature_status, | |
7796 | }, | |
7797 | { | |
7798 | .feature_name = "RAID 5 Read Bypass", | |
7799 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_READ_BYPASS, | |
b212c251 KB |
7800 | .feature_status = pqi_firmware_feature_status, |
7801 | }, | |
f6cc2a77 KB |
7802 | { |
7803 | .feature_name = "RAID 6 Read Bypass", | |
7804 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_READ_BYPASS, | |
7805 | .feature_status = pqi_firmware_feature_status, | |
7806 | }, | |
7807 | { | |
7808 | .feature_name = "RAID 0 Write Bypass", | |
7809 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_WRITE_BYPASS, | |
7810 | .feature_status = pqi_firmware_feature_status, | |
7811 | }, | |
7812 | { | |
7813 | .feature_name = "RAID 1 Write Bypass", | |
7814 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS, | |
7815 | .feature_status = pqi_ctrl_update_feature_flags, | |
7816 | }, | |
7817 | { | |
7818 | .feature_name = "RAID 5 Write Bypass", | |
7819 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS, | |
7820 | .feature_status = pqi_ctrl_update_feature_flags, | |
7821 | }, | |
7822 | { | |
7823 | .feature_name = "RAID 6 Write Bypass", | |
7824 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS, | |
7825 | .feature_status = pqi_ctrl_update_feature_flags, | |
7826 | }, | |
4fd22c13 MR |
7827 | { |
7828 | .feature_name = "New Soft Reset Handshake", | |
7829 | .feature_bit = PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE, | |
21432010 | 7830 | .feature_status = pqi_ctrl_update_feature_flags, |
7831 | }, | |
7832 | { | |
7833 | .feature_name = "RAID IU Timeout", | |
7834 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT, | |
7835 | .feature_status = pqi_ctrl_update_feature_flags, | |
4fd22c13 | 7836 | }, |
c2922f17 MB |
7837 | { |
7838 | .feature_name = "TMF IU Timeout", | |
7839 | .feature_bit = PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT, | |
7840 | .feature_status = pqi_ctrl_update_feature_flags, | |
7841 | }, | |
f6cc2a77 KB |
7842 | { |
7843 | .feature_name = "RAID Bypass on encrypted logical volumes on NVMe", | |
7844 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME, | |
7845 | .feature_status = pqi_firmware_feature_status, | |
7846 | }, | |
5d1f03e6 MB |
7847 | { |
7848 | .feature_name = "Firmware Triage", | |
7849 | .feature_bit = PQI_FIRMWARE_FEATURE_FW_TRIAGE, | |
7850 | .feature_status = pqi_ctrl_update_feature_flags, | |
7851 | }, | |
28ca6d87 MM |
7852 | { |
7853 | .feature_name = "RPL Extended Formats 4 and 5", | |
7854 | .feature_bit = PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5, | |
7855 | .feature_status = pqi_ctrl_update_feature_flags, | |
7856 | }, | |
904f2bfd KM |
7857 | { |
7858 | .feature_name = "Multi-LUN Target", | |
7859 | .feature_bit = PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT, | |
7860 | .feature_status = pqi_ctrl_update_feature_flags, | |
7861 | }, | |
b212c251 KB |
7862 | }; |
7863 | ||
7864 | static void pqi_process_firmware_features( | |
7865 | struct pqi_config_table_section_info *section_info) | |
7866 | { | |
7867 | int rc; | |
7868 | struct pqi_ctrl_info *ctrl_info; | |
7869 | struct pqi_config_table_firmware_features *firmware_features; | |
7870 | void __iomem *firmware_features_iomem_addr; | |
7871 | unsigned int i; | |
7872 | unsigned int num_features_supported; | |
7873 | ||
7874 | ctrl_info = section_info->ctrl_info; | |
7875 | firmware_features = section_info->section; | |
7876 | firmware_features_iomem_addr = section_info->section_iomem_addr; | |
7877 | ||
7878 | for (i = 0, num_features_supported = 0; | |
7879 | i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7880 | if (pqi_is_firmware_feature_supported(firmware_features, | |
7881 | pqi_firmware_features[i].feature_bit)) { | |
7882 | pqi_firmware_features[i].supported = true; | |
7883 | num_features_supported++; | |
7884 | } else { | |
7885 | pqi_firmware_feature_update(ctrl_info, | |
7886 | &pqi_firmware_features[i]); | |
7887 | } | |
7888 | } | |
7889 | ||
7890 | if (num_features_supported == 0) | |
7891 | return; | |
7892 | ||
7893 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7894 | if (!pqi_firmware_features[i].supported) | |
7895 | continue; | |
7896 | pqi_request_firmware_feature(firmware_features, | |
7897 | pqi_firmware_features[i].feature_bit); | |
7898 | } | |
7899 | ||
7900 | rc = pqi_enable_firmware_features(ctrl_info, firmware_features, | |
7901 | firmware_features_iomem_addr); | |
7902 | if (rc) { | |
7903 | dev_err(&ctrl_info->pci_dev->dev, | |
7904 | "failed to enable firmware features in PQI configuration table\n"); | |
7905 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7906 | if (!pqi_firmware_features[i].supported) | |
7907 | continue; | |
7908 | pqi_firmware_feature_update(ctrl_info, | |
7909 | &pqi_firmware_features[i]); | |
7910 | } | |
7911 | return; | |
7912 | } | |
7913 | ||
7914 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7915 | if (!pqi_firmware_features[i].supported) | |
7916 | continue; | |
7917 | if (pqi_is_firmware_feature_enabled(firmware_features, | |
7918 | firmware_features_iomem_addr, | |
4fd22c13 | 7919 | pqi_firmware_features[i].feature_bit)) { |
583891c9 | 7920 | pqi_firmware_features[i].enabled = true; |
4fd22c13 | 7921 | } |
b212c251 KB |
7922 | pqi_firmware_feature_update(ctrl_info, |
7923 | &pqi_firmware_features[i]); | |
7924 | } | |
7925 | } | |
7926 | ||
7927 | static void pqi_init_firmware_features(void) | |
7928 | { | |
7929 | unsigned int i; | |
7930 | ||
7931 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7932 | pqi_firmware_features[i].supported = false; | |
7933 | pqi_firmware_features[i].enabled = false; | |
7934 | } | |
7935 | } | |
7936 | ||
7937 | static void pqi_process_firmware_features_section( | |
7938 | struct pqi_config_table_section_info *section_info) | |
7939 | { | |
7940 | mutex_lock(&pqi_firmware_features_mutex); | |
7941 | pqi_init_firmware_features(); | |
7942 | pqi_process_firmware_features(section_info); | |
7943 | mutex_unlock(&pqi_firmware_features_mutex); | |
7944 | } | |
7945 | ||
f6cc2a77 KB |
7946 | /* |
7947 | * Reset all controller settings that can be initialized during the processing | |
7948 | * of the PQI Configuration Table. | |
7949 | */ | |
7950 | ||
4ccc354b KB |
7951 | static void pqi_ctrl_reset_config(struct pqi_ctrl_info *ctrl_info) |
7952 | { | |
7953 | ctrl_info->heartbeat_counter = NULL; | |
7954 | ctrl_info->soft_reset_status = NULL; | |
7955 | ctrl_info->soft_reset_handshake_supported = false; | |
7956 | ctrl_info->enable_r1_writes = false; | |
7957 | ctrl_info->enable_r5_writes = false; | |
7958 | ctrl_info->enable_r6_writes = false; | |
7959 | ctrl_info->raid_iu_timeout_supported = false; | |
7960 | ctrl_info->tmf_iu_timeout_supported = false; | |
5d1f03e6 | 7961 | ctrl_info->firmware_triage_supported = false; |
28ca6d87 | 7962 | ctrl_info->rpl_extended_format_4_5_supported = false; |
904f2bfd | 7963 | ctrl_info->multi_lun_device_supported = false; |
4ccc354b KB |
7964 | } |
7965 | ||
98f87667 KB |
7966 | static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) |
7967 | { | |
7968 | u32 table_length; | |
7969 | u32 section_offset; | |
f6cc2a77 | 7970 | bool firmware_feature_section_present; |
98f87667 KB |
7971 | void __iomem *table_iomem_addr; |
7972 | struct pqi_config_table *config_table; | |
7973 | struct pqi_config_table_section_header *section; | |
b212c251 | 7974 | struct pqi_config_table_section_info section_info; |
f6cc2a77 | 7975 | struct pqi_config_table_section_info feature_section_info; |
98f87667 KB |
7976 | |
7977 | table_length = ctrl_info->config_table_length; | |
b212c251 KB |
7978 | if (table_length == 0) |
7979 | return 0; | |
98f87667 KB |
7980 | |
7981 | config_table = kmalloc(table_length, GFP_KERNEL); | |
7982 | if (!config_table) { | |
7983 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 7984 | "failed to allocate memory for PQI configuration table\n"); |
98f87667 KB |
7985 | return -ENOMEM; |
7986 | } | |
7987 | ||
7988 | /* | |
7989 | * Copy the config table contents from I/O memory space into the | |
7990 | * temporary buffer. | |
7991 | */ | |
583891c9 | 7992 | table_iomem_addr = ctrl_info->iomem_base + ctrl_info->config_table_offset; |
98f87667 KB |
7993 | memcpy_fromio(config_table, table_iomem_addr, table_length); |
7994 | ||
f6cc2a77 | 7995 | firmware_feature_section_present = false; |
b212c251 | 7996 | section_info.ctrl_info = ctrl_info; |
583891c9 | 7997 | section_offset = get_unaligned_le32(&config_table->first_section_offset); |
98f87667 KB |
7998 | |
7999 | while (section_offset) { | |
8000 | section = (void *)config_table + section_offset; | |
8001 | ||
b212c251 KB |
8002 | section_info.section = section; |
8003 | section_info.section_offset = section_offset; | |
583891c9 | 8004 | section_info.section_iomem_addr = table_iomem_addr + section_offset; |
b212c251 | 8005 | |
98f87667 | 8006 | switch (get_unaligned_le16(§ion->section_id)) { |
b212c251 | 8007 | case PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES: |
f6cc2a77 KB |
8008 | firmware_feature_section_present = true; |
8009 | feature_section_info = section_info; | |
b212c251 | 8010 | break; |
98f87667 | 8011 | case PQI_CONFIG_TABLE_SECTION_HEARTBEAT: |
5a259e32 KB |
8012 | if (pqi_disable_heartbeat) |
8013 | dev_warn(&ctrl_info->pci_dev->dev, | |
8014 | "heartbeat disabled by module parameter\n"); | |
8015 | else | |
8016 | ctrl_info->heartbeat_counter = | |
8017 | table_iomem_addr + | |
8018 | section_offset + | |
583891c9 | 8019 | offsetof(struct pqi_config_table_heartbeat, |
5a259e32 | 8020 | heartbeat_counter); |
98f87667 | 8021 | break; |
4fd22c13 MR |
8022 | case PQI_CONFIG_TABLE_SECTION_SOFT_RESET: |
8023 | ctrl_info->soft_reset_status = | |
8024 | table_iomem_addr + | |
8025 | section_offset + | |
8026 | offsetof(struct pqi_config_table_soft_reset, | |
583891c9 | 8027 | soft_reset_status); |
4fd22c13 | 8028 | break; |
98f87667 KB |
8029 | } |
8030 | ||
583891c9 | 8031 | section_offset = get_unaligned_le16(§ion->next_section_offset); |
98f87667 KB |
8032 | } |
8033 | ||
f6cc2a77 KB |
8034 | /* |
8035 | * We process the firmware feature section after all other sections | |
8036 | * have been processed so that the feature bit callbacks can take | |
8037 | * into account the settings configured by other sections. | |
8038 | */ | |
8039 | if (firmware_feature_section_present) | |
8040 | pqi_process_firmware_features_section(&feature_section_info); | |
8041 | ||
98f87667 KB |
8042 | kfree(config_table); |
8043 | ||
8044 | return 0; | |
8045 | } | |
8046 | ||
162d7753 KB |
8047 | /* Switches the controller from PQI mode back into SIS mode. */ |
8048 | ||
8049 | static int pqi_revert_to_sis_mode(struct pqi_ctrl_info *ctrl_info) | |
8050 | { | |
8051 | int rc; | |
8052 | ||
061ef06a | 8053 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_NONE); |
162d7753 KB |
8054 | rc = pqi_reset(ctrl_info); |
8055 | if (rc) | |
8056 | return rc; | |
4f078e24 KB |
8057 | rc = sis_reenable_sis_mode(ctrl_info); |
8058 | if (rc) { | |
8059 | dev_err(&ctrl_info->pci_dev->dev, | |
8060 | "re-enabling SIS mode failed with error %d\n", rc); | |
8061 | return rc; | |
8062 | } | |
162d7753 KB |
8063 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); |
8064 | ||
8065 | return 0; | |
8066 | } | |
8067 | ||
8068 | /* | |
8069 | * If the controller isn't already in SIS mode, this function forces it into | |
8070 | * SIS mode. | |
8071 | */ | |
8072 | ||
8073 | static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info) | |
ff6abb73 KB |
8074 | { |
8075 | if (!sis_is_firmware_running(ctrl_info)) | |
8076 | return -ENXIO; | |
8077 | ||
162d7753 KB |
8078 | if (pqi_get_ctrl_mode(ctrl_info) == SIS_MODE) |
8079 | return 0; | |
8080 | ||
8081 | if (sis_is_kernel_up(ctrl_info)) { | |
8082 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); | |
8083 | return 0; | |
ff6abb73 KB |
8084 | } |
8085 | ||
162d7753 | 8086 | return pqi_revert_to_sis_mode(ctrl_info); |
ff6abb73 KB |
8087 | } |
8088 | ||
3ada501d MR |
8089 | static void pqi_perform_lockup_action(void) |
8090 | { | |
8091 | switch (pqi_lockup_action) { | |
8092 | case PANIC: | |
8093 | panic("FATAL: Smart Family Controller lockup detected"); | |
8094 | break; | |
8095 | case REBOOT: | |
8096 | emergency_restart(); | |
8097 | break; | |
8098 | case NONE: | |
8099 | default: | |
8100 | break; | |
8101 | } | |
8102 | } | |
8103 | ||
6c223761 KB |
8104 | static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) |
8105 | { | |
8106 | int rc; | |
2708a256 | 8107 | u32 product_id; |
6c223761 | 8108 | |
0530736e | 8109 | if (reset_devices) { |
9ee5d6e9 MR |
8110 | if (pqi_is_fw_triage_supported(ctrl_info)) { |
8111 | rc = sis_wait_for_fw_triage_completion(ctrl_info); | |
8112 | if (rc) | |
8113 | return rc; | |
8114 | } | |
0530736e | 8115 | sis_soft_reset(ctrl_info); |
42dc0426 | 8116 | ssleep(PQI_POST_RESET_DELAY_SECS); |
0530736e KB |
8117 | } else { |
8118 | rc = pqi_force_sis_mode(ctrl_info); | |
8119 | if (rc) | |
8120 | return rc; | |
8121 | } | |
6c223761 KB |
8122 | |
8123 | /* | |
8124 | * Wait until the controller is ready to start accepting SIS | |
8125 | * commands. | |
8126 | */ | |
8127 | rc = sis_wait_for_ctrl_ready(ctrl_info); | |
3ada501d MR |
8128 | if (rc) { |
8129 | if (reset_devices) { | |
8130 | dev_err(&ctrl_info->pci_dev->dev, | |
8131 | "kdump init failed with error %d\n", rc); | |
8132 | pqi_lockup_action = REBOOT; | |
8133 | pqi_perform_lockup_action(); | |
8134 | } | |
6c223761 | 8135 | return rc; |
3ada501d | 8136 | } |
6c223761 KB |
8137 | |
8138 | /* | |
8139 | * Get the controller properties. This allows us to determine | |
8140 | * whether or not it supports PQI mode. | |
8141 | */ | |
8142 | rc = sis_get_ctrl_properties(ctrl_info); | |
8143 | if (rc) { | |
8144 | dev_err(&ctrl_info->pci_dev->dev, | |
8145 | "error obtaining controller properties\n"); | |
8146 | return rc; | |
8147 | } | |
8148 | ||
8149 | rc = sis_get_pqi_capabilities(ctrl_info); | |
8150 | if (rc) { | |
8151 | dev_err(&ctrl_info->pci_dev->dev, | |
8152 | "error obtaining controller capabilities\n"); | |
8153 | return rc; | |
8154 | } | |
8155 | ||
2708a256 KB |
8156 | product_id = sis_get_product_id(ctrl_info); |
8157 | ctrl_info->product_id = (u8)product_id; | |
8158 | ctrl_info->product_revision = (u8)(product_id >> 8); | |
8159 | ||
d727a776 KB |
8160 | if (reset_devices) { |
8161 | if (ctrl_info->max_outstanding_requests > | |
8162 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP) | |
583891c9 | 8163 | ctrl_info->max_outstanding_requests = |
d727a776 KB |
8164 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP; |
8165 | } else { | |
8166 | if (ctrl_info->max_outstanding_requests > | |
8167 | PQI_MAX_OUTSTANDING_REQUESTS) | |
583891c9 | 8168 | ctrl_info->max_outstanding_requests = |
d727a776 KB |
8169 | PQI_MAX_OUTSTANDING_REQUESTS; |
8170 | } | |
6c223761 KB |
8171 | |
8172 | pqi_calculate_io_resources(ctrl_info); | |
8173 | ||
8174 | rc = pqi_alloc_error_buffer(ctrl_info); | |
8175 | if (rc) { | |
8176 | dev_err(&ctrl_info->pci_dev->dev, | |
8177 | "failed to allocate PQI error buffer\n"); | |
8178 | return rc; | |
8179 | } | |
8180 | ||
8181 | /* | |
8182 | * If the function we are about to call succeeds, the | |
8183 | * controller will transition from legacy SIS mode | |
8184 | * into PQI mode. | |
8185 | */ | |
8186 | rc = sis_init_base_struct_addr(ctrl_info); | |
8187 | if (rc) { | |
8188 | dev_err(&ctrl_info->pci_dev->dev, | |
8189 | "error initializing PQI mode\n"); | |
8190 | return rc; | |
8191 | } | |
8192 | ||
8193 | /* Wait for the controller to complete the SIS -> PQI transition. */ | |
8194 | rc = pqi_wait_for_pqi_mode_ready(ctrl_info); | |
8195 | if (rc) { | |
8196 | dev_err(&ctrl_info->pci_dev->dev, | |
8197 | "transition to PQI mode failed\n"); | |
8198 | return rc; | |
8199 | } | |
8200 | ||
8201 | /* From here on, we are running in PQI mode. */ | |
8202 | ctrl_info->pqi_mode_enabled = true; | |
ff6abb73 | 8203 | pqi_save_ctrl_mode(ctrl_info, PQI_MODE); |
6c223761 KB |
8204 | |
8205 | rc = pqi_alloc_admin_queues(ctrl_info); | |
8206 | if (rc) { | |
8207 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8208 | "failed to allocate admin queues\n"); |
6c223761 KB |
8209 | return rc; |
8210 | } | |
8211 | ||
8212 | rc = pqi_create_admin_queues(ctrl_info); | |
8213 | if (rc) { | |
8214 | dev_err(&ctrl_info->pci_dev->dev, | |
8215 | "error creating admin queues\n"); | |
8216 | return rc; | |
8217 | } | |
8218 | ||
8219 | rc = pqi_report_device_capability(ctrl_info); | |
8220 | if (rc) { | |
8221 | dev_err(&ctrl_info->pci_dev->dev, | |
8222 | "obtaining device capability failed\n"); | |
8223 | return rc; | |
8224 | } | |
8225 | ||
8226 | rc = pqi_validate_device_capability(ctrl_info); | |
8227 | if (rc) | |
8228 | return rc; | |
8229 | ||
8230 | pqi_calculate_queue_resources(ctrl_info); | |
8231 | ||
8232 | rc = pqi_enable_msix_interrupts(ctrl_info); | |
8233 | if (rc) | |
8234 | return rc; | |
8235 | ||
8236 | if (ctrl_info->num_msix_vectors_enabled < ctrl_info->num_queue_groups) { | |
8237 | ctrl_info->max_msix_vectors = | |
8238 | ctrl_info->num_msix_vectors_enabled; | |
8239 | pqi_calculate_queue_resources(ctrl_info); | |
8240 | } | |
8241 | ||
8242 | rc = pqi_alloc_io_resources(ctrl_info); | |
8243 | if (rc) | |
8244 | return rc; | |
8245 | ||
8246 | rc = pqi_alloc_operational_queues(ctrl_info); | |
d87d5474 KB |
8247 | if (rc) { |
8248 | dev_err(&ctrl_info->pci_dev->dev, | |
8249 | "failed to allocate operational queues\n"); | |
6c223761 | 8250 | return rc; |
d87d5474 | 8251 | } |
6c223761 KB |
8252 | |
8253 | pqi_init_operational_queues(ctrl_info); | |
8254 | ||
0777a3fb | 8255 | rc = pqi_create_queues(ctrl_info); |
6c223761 KB |
8256 | if (rc) |
8257 | return rc; | |
8258 | ||
0777a3fb | 8259 | rc = pqi_request_irqs(ctrl_info); |
6c223761 KB |
8260 | if (rc) |
8261 | return rc; | |
8262 | ||
061ef06a KB |
8263 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_MSIX); |
8264 | ||
8265 | ctrl_info->controller_online = true; | |
b212c251 KB |
8266 | |
8267 | rc = pqi_process_config_table(ctrl_info); | |
8268 | if (rc) | |
8269 | return rc; | |
8270 | ||
061ef06a | 8271 | pqi_start_heartbeat_timer(ctrl_info); |
6c223761 | 8272 | |
f6cc2a77 KB |
8273 | if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { |
8274 | rc = pqi_get_advanced_raid_bypass_config(ctrl_info); | |
8275 | if (rc) { /* Supported features not returned correctly. */ | |
8276 | dev_err(&ctrl_info->pci_dev->dev, | |
8277 | "error obtaining advanced RAID bypass configuration\n"); | |
8278 | return rc; | |
8279 | } | |
8280 | ctrl_info->ciss_report_log_flags |= | |
8281 | CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; | |
8282 | } | |
8283 | ||
6a50d6ad | 8284 | rc = pqi_enable_events(ctrl_info); |
6c223761 KB |
8285 | if (rc) { |
8286 | dev_err(&ctrl_info->pci_dev->dev, | |
6a50d6ad | 8287 | "error enabling events\n"); |
6c223761 KB |
8288 | return rc; |
8289 | } | |
8290 | ||
6c223761 KB |
8291 | /* Register with the SCSI subsystem. */ |
8292 | rc = pqi_register_scsi(ctrl_info); | |
8293 | if (rc) | |
8294 | return rc; | |
8295 | ||
6d90615f MB |
8296 | rc = pqi_get_ctrl_product_details(ctrl_info); |
8297 | if (rc) { | |
8298 | dev_err(&ctrl_info->pci_dev->dev, | |
8299 | "error obtaining product details\n"); | |
8300 | return rc; | |
8301 | } | |
8302 | ||
8303 | rc = pqi_get_ctrl_serial_number(ctrl_info); | |
6c223761 KB |
8304 | if (rc) { |
8305 | dev_err(&ctrl_info->pci_dev->dev, | |
6d90615f | 8306 | "error obtaining ctrl serial number\n"); |
6c223761 KB |
8307 | return rc; |
8308 | } | |
8309 | ||
171c2865 DC |
8310 | rc = pqi_set_diag_rescan(ctrl_info); |
8311 | if (rc) { | |
8312 | dev_err(&ctrl_info->pci_dev->dev, | |
8313 | "error enabling multi-lun rescan\n"); | |
8314 | return rc; | |
8315 | } | |
8316 | ||
6c223761 KB |
8317 | rc = pqi_write_driver_version_to_host_wellness(ctrl_info); |
8318 | if (rc) { | |
8319 | dev_err(&ctrl_info->pci_dev->dev, | |
8320 | "error updating host wellness\n"); | |
8321 | return rc; | |
8322 | } | |
8323 | ||
8324 | pqi_schedule_update_time_worker(ctrl_info); | |
8325 | ||
8326 | pqi_scan_scsi_devices(ctrl_info); | |
8327 | ||
8328 | return 0; | |
8329 | } | |
8330 | ||
061ef06a KB |
8331 | static void pqi_reinit_queues(struct pqi_ctrl_info *ctrl_info) |
8332 | { | |
8333 | unsigned int i; | |
8334 | struct pqi_admin_queues *admin_queues; | |
8335 | struct pqi_event_queue *event_queue; | |
8336 | ||
8337 | admin_queues = &ctrl_info->admin_queues; | |
8338 | admin_queues->iq_pi_copy = 0; | |
8339 | admin_queues->oq_ci_copy = 0; | |
dac12fbc | 8340 | writel(0, admin_queues->oq_pi); |
061ef06a KB |
8341 | |
8342 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
8343 | ctrl_info->queue_groups[i].iq_pi_copy[RAID_PATH] = 0; | |
8344 | ctrl_info->queue_groups[i].iq_pi_copy[AIO_PATH] = 0; | |
8345 | ctrl_info->queue_groups[i].oq_ci_copy = 0; | |
8346 | ||
dac12fbc KB |
8347 | writel(0, ctrl_info->queue_groups[i].iq_ci[RAID_PATH]); |
8348 | writel(0, ctrl_info->queue_groups[i].iq_ci[AIO_PATH]); | |
8349 | writel(0, ctrl_info->queue_groups[i].oq_pi); | |
061ef06a KB |
8350 | } |
8351 | ||
8352 | event_queue = &ctrl_info->event_queue; | |
dac12fbc | 8353 | writel(0, event_queue->oq_pi); |
061ef06a KB |
8354 | event_queue->oq_ci_copy = 0; |
8355 | } | |
8356 | ||
8357 | static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) | |
8358 | { | |
8359 | int rc; | |
8360 | ||
8361 | rc = pqi_force_sis_mode(ctrl_info); | |
8362 | if (rc) | |
8363 | return rc; | |
8364 | ||
8365 | /* | |
8366 | * Wait until the controller is ready to start accepting SIS | |
8367 | * commands. | |
8368 | */ | |
8369 | rc = sis_wait_for_ctrl_ready_resume(ctrl_info); | |
8370 | if (rc) | |
8371 | return rc; | |
8372 | ||
4fd22c13 MR |
8373 | /* |
8374 | * Get the controller properties. This allows us to determine | |
8375 | * whether or not it supports PQI mode. | |
8376 | */ | |
8377 | rc = sis_get_ctrl_properties(ctrl_info); | |
8378 | if (rc) { | |
8379 | dev_err(&ctrl_info->pci_dev->dev, | |
8380 | "error obtaining controller properties\n"); | |
8381 | return rc; | |
8382 | } | |
8383 | ||
8384 | rc = sis_get_pqi_capabilities(ctrl_info); | |
8385 | if (rc) { | |
8386 | dev_err(&ctrl_info->pci_dev->dev, | |
8387 | "error obtaining controller capabilities\n"); | |
8388 | return rc; | |
8389 | } | |
8390 | ||
061ef06a KB |
8391 | /* |
8392 | * If the function we are about to call succeeds, the | |
8393 | * controller will transition from legacy SIS mode | |
8394 | * into PQI mode. | |
8395 | */ | |
8396 | rc = sis_init_base_struct_addr(ctrl_info); | |
8397 | if (rc) { | |
8398 | dev_err(&ctrl_info->pci_dev->dev, | |
8399 | "error initializing PQI mode\n"); | |
8400 | return rc; | |
8401 | } | |
8402 | ||
8403 | /* Wait for the controller to complete the SIS -> PQI transition. */ | |
8404 | rc = pqi_wait_for_pqi_mode_ready(ctrl_info); | |
8405 | if (rc) { | |
8406 | dev_err(&ctrl_info->pci_dev->dev, | |
8407 | "transition to PQI mode failed\n"); | |
8408 | return rc; | |
8409 | } | |
8410 | ||
8411 | /* From here on, we are running in PQI mode. */ | |
8412 | ctrl_info->pqi_mode_enabled = true; | |
8413 | pqi_save_ctrl_mode(ctrl_info, PQI_MODE); | |
8414 | ||
8415 | pqi_reinit_queues(ctrl_info); | |
8416 | ||
8417 | rc = pqi_create_admin_queues(ctrl_info); | |
8418 | if (rc) { | |
8419 | dev_err(&ctrl_info->pci_dev->dev, | |
8420 | "error creating admin queues\n"); | |
8421 | return rc; | |
8422 | } | |
8423 | ||
8424 | rc = pqi_create_queues(ctrl_info); | |
8425 | if (rc) | |
8426 | return rc; | |
8427 | ||
8428 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_MSIX); | |
8429 | ||
8430 | ctrl_info->controller_online = true; | |
061ef06a KB |
8431 | pqi_ctrl_unblock_requests(ctrl_info); |
8432 | ||
4ccc354b KB |
8433 | pqi_ctrl_reset_config(ctrl_info); |
8434 | ||
4fd22c13 MR |
8435 | rc = pqi_process_config_table(ctrl_info); |
8436 | if (rc) | |
8437 | return rc; | |
8438 | ||
8439 | pqi_start_heartbeat_timer(ctrl_info); | |
8440 | ||
f6cc2a77 KB |
8441 | if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { |
8442 | rc = pqi_get_advanced_raid_bypass_config(ctrl_info); | |
8443 | if (rc) { | |
8444 | dev_err(&ctrl_info->pci_dev->dev, | |
8445 | "error obtaining advanced RAID bypass configuration\n"); | |
8446 | return rc; | |
8447 | } | |
8448 | ctrl_info->ciss_report_log_flags |= | |
8449 | CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; | |
8450 | } | |
8451 | ||
061ef06a KB |
8452 | rc = pqi_enable_events(ctrl_info); |
8453 | if (rc) { | |
8454 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8455 | "error enabling events\n"); |
061ef06a KB |
8456 | return rc; |
8457 | } | |
8458 | ||
6d90615f | 8459 | rc = pqi_get_ctrl_product_details(ctrl_info); |
4fd22c13 MR |
8460 | if (rc) { |
8461 | dev_err(&ctrl_info->pci_dev->dev, | |
694c5d5b | 8462 | "error obtaining product details\n"); |
4fd22c13 MR |
8463 | return rc; |
8464 | } | |
8465 | ||
171c2865 DC |
8466 | rc = pqi_set_diag_rescan(ctrl_info); |
8467 | if (rc) { | |
8468 | dev_err(&ctrl_info->pci_dev->dev, | |
8469 | "error enabling multi-lun rescan\n"); | |
8470 | return rc; | |
8471 | } | |
8472 | ||
061ef06a KB |
8473 | rc = pqi_write_driver_version_to_host_wellness(ctrl_info); |
8474 | if (rc) { | |
8475 | dev_err(&ctrl_info->pci_dev->dev, | |
8476 | "error updating host wellness\n"); | |
8477 | return rc; | |
8478 | } | |
8479 | ||
2790cd4d KB |
8480 | if (pqi_ofa_in_progress(ctrl_info)) |
8481 | pqi_ctrl_unblock_scan(ctrl_info); | |
061ef06a KB |
8482 | |
8483 | pqi_scan_scsi_devices(ctrl_info); | |
8484 | ||
8485 | return 0; | |
8486 | } | |
8487 | ||
583891c9 | 8488 | static inline int pqi_set_pcie_completion_timeout(struct pci_dev *pci_dev, u16 timeout) |
a81ed5f3 | 8489 | { |
d20df83b BOS |
8490 | int rc; |
8491 | ||
8492 | rc = pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL2, | |
a81ed5f3 | 8493 | PCI_EXP_DEVCTL2_COMP_TIMEOUT, timeout); |
d20df83b BOS |
8494 | |
8495 | return pcibios_err_to_errno(rc); | |
a81ed5f3 KB |
8496 | } |
8497 | ||
6c223761 KB |
8498 | static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) |
8499 | { | |
8500 | int rc; | |
8501 | u64 mask; | |
8502 | ||
8503 | rc = pci_enable_device(ctrl_info->pci_dev); | |
8504 | if (rc) { | |
8505 | dev_err(&ctrl_info->pci_dev->dev, | |
8506 | "failed to enable PCI device\n"); | |
8507 | return rc; | |
8508 | } | |
8509 | ||
8510 | if (sizeof(dma_addr_t) > 4) | |
8511 | mask = DMA_BIT_MASK(64); | |
8512 | else | |
8513 | mask = DMA_BIT_MASK(32); | |
8514 | ||
1d94f06e | 8515 | rc = dma_set_mask_and_coherent(&ctrl_info->pci_dev->dev, mask); |
6c223761 KB |
8516 | if (rc) { |
8517 | dev_err(&ctrl_info->pci_dev->dev, "failed to set DMA mask\n"); | |
8518 | goto disable_device; | |
8519 | } | |
8520 | ||
8521 | rc = pci_request_regions(ctrl_info->pci_dev, DRIVER_NAME_SHORT); | |
8522 | if (rc) { | |
8523 | dev_err(&ctrl_info->pci_dev->dev, | |
8524 | "failed to obtain PCI resources\n"); | |
8525 | goto disable_device; | |
8526 | } | |
8527 | ||
4bdc0d67 | 8528 | ctrl_info->iomem_base = ioremap(pci_resource_start( |
6c223761 KB |
8529 | ctrl_info->pci_dev, 0), |
8530 | sizeof(struct pqi_ctrl_registers)); | |
8531 | if (!ctrl_info->iomem_base) { | |
8532 | dev_err(&ctrl_info->pci_dev->dev, | |
8533 | "failed to map memory for controller registers\n"); | |
8534 | rc = -ENOMEM; | |
8535 | goto release_regions; | |
8536 | } | |
8537 | ||
a81ed5f3 KB |
8538 | #define PCI_EXP_COMP_TIMEOUT_65_TO_210_MS 0x6 |
8539 | ||
8540 | /* Increase the PCIe completion timeout. */ | |
8541 | rc = pqi_set_pcie_completion_timeout(ctrl_info->pci_dev, | |
8542 | PCI_EXP_COMP_TIMEOUT_65_TO_210_MS); | |
8543 | if (rc) { | |
8544 | dev_err(&ctrl_info->pci_dev->dev, | |
8545 | "failed to set PCIe completion timeout\n"); | |
8546 | goto release_regions; | |
8547 | } | |
8548 | ||
6c223761 KB |
8549 | /* Enable bus mastering. */ |
8550 | pci_set_master(ctrl_info->pci_dev); | |
8551 | ||
cbe0c7b1 KB |
8552 | ctrl_info->registers = ctrl_info->iomem_base; |
8553 | ctrl_info->pqi_registers = &ctrl_info->registers->pqi_registers; | |
8554 | ||
6c223761 KB |
8555 | pci_set_drvdata(ctrl_info->pci_dev, ctrl_info); |
8556 | ||
8557 | return 0; | |
8558 | ||
8559 | release_regions: | |
8560 | pci_release_regions(ctrl_info->pci_dev); | |
8561 | disable_device: | |
8562 | pci_disable_device(ctrl_info->pci_dev); | |
8563 | ||
8564 | return rc; | |
8565 | } | |
8566 | ||
8567 | static void pqi_cleanup_pci_init(struct pqi_ctrl_info *ctrl_info) | |
8568 | { | |
8569 | iounmap(ctrl_info->iomem_base); | |
8570 | pci_release_regions(ctrl_info->pci_dev); | |
cbe0c7b1 KB |
8571 | if (pci_is_enabled(ctrl_info->pci_dev)) |
8572 | pci_disable_device(ctrl_info->pci_dev); | |
6c223761 KB |
8573 | pci_set_drvdata(ctrl_info->pci_dev, NULL); |
8574 | } | |
8575 | ||
8576 | static struct pqi_ctrl_info *pqi_alloc_ctrl_info(int numa_node) | |
8577 | { | |
8578 | struct pqi_ctrl_info *ctrl_info; | |
8579 | ||
8580 | ctrl_info = kzalloc_node(sizeof(struct pqi_ctrl_info), | |
8581 | GFP_KERNEL, numa_node); | |
8582 | if (!ctrl_info) | |
8583 | return NULL; | |
8584 | ||
8585 | mutex_init(&ctrl_info->scan_mutex); | |
7561a7e4 | 8586 | mutex_init(&ctrl_info->lun_reset_mutex); |
4fd22c13 | 8587 | mutex_init(&ctrl_info->ofa_mutex); |
6c223761 KB |
8588 | |
8589 | INIT_LIST_HEAD(&ctrl_info->scsi_device_list); | |
8590 | spin_lock_init(&ctrl_info->scsi_device_list_lock); | |
8591 | ||
8592 | INIT_WORK(&ctrl_info->event_work, pqi_event_worker); | |
8593 | atomic_set(&ctrl_info->num_interrupts, 0); | |
8594 | ||
8595 | INIT_DELAYED_WORK(&ctrl_info->rescan_work, pqi_rescan_worker); | |
8596 | INIT_DELAYED_WORK(&ctrl_info->update_time_work, pqi_update_time_worker); | |
8597 | ||
74a0f573 | 8598 | timer_setup(&ctrl_info->heartbeat_timer, pqi_heartbeat_timer_handler, 0); |
5f310425 | 8599 | INIT_WORK(&ctrl_info->ctrl_offline_work, pqi_ctrl_offline_worker); |
98f87667 | 8600 | |
2790cd4d KB |
8601 | INIT_WORK(&ctrl_info->ofa_memory_alloc_work, pqi_ofa_memory_alloc_worker); |
8602 | INIT_WORK(&ctrl_info->ofa_quiesce_work, pqi_ofa_quiesce_worker); | |
8603 | ||
6c223761 KB |
8604 | sema_init(&ctrl_info->sync_request_sem, |
8605 | PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS); | |
7561a7e4 | 8606 | init_waitqueue_head(&ctrl_info->block_requests_wait); |
6c223761 KB |
8607 | |
8608 | ctrl_info->ctrl_id = atomic_inc_return(&pqi_controller_count) - 1; | |
061ef06a | 8609 | ctrl_info->irq_mode = IRQ_MODE_NONE; |
6c223761 KB |
8610 | ctrl_info->max_msix_vectors = PQI_MAX_MSIX_VECTORS; |
8611 | ||
f6cc2a77 KB |
8612 | ctrl_info->ciss_report_log_flags = CISS_REPORT_LOG_FLAG_UNIQUE_LUN_ID; |
8613 | ctrl_info->max_transfer_encrypted_sas_sata = | |
8614 | PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_SAS_SATA; | |
8615 | ctrl_info->max_transfer_encrypted_nvme = | |
8616 | PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_NVME; | |
8617 | ctrl_info->max_write_raid_5_6 = PQI_DEFAULT_MAX_WRITE_RAID_5_6; | |
8618 | ctrl_info->max_write_raid_1_10_2drive = ~0; | |
8619 | ctrl_info->max_write_raid_1_10_3drive = ~0; | |
cf15c3e7 | 8620 | ctrl_info->disable_managed_interrupts = pqi_disable_managed_interrupts; |
f6cc2a77 | 8621 | |
6c223761 KB |
8622 | return ctrl_info; |
8623 | } | |
8624 | ||
8625 | static inline void pqi_free_ctrl_info(struct pqi_ctrl_info *ctrl_info) | |
8626 | { | |
8627 | kfree(ctrl_info); | |
8628 | } | |
8629 | ||
8630 | static void pqi_free_interrupts(struct pqi_ctrl_info *ctrl_info) | |
8631 | { | |
98bf061b KB |
8632 | pqi_free_irqs(ctrl_info); |
8633 | pqi_disable_msix_interrupts(ctrl_info); | |
6c223761 KB |
8634 | } |
8635 | ||
8636 | static void pqi_free_ctrl_resources(struct pqi_ctrl_info *ctrl_info) | |
8637 | { | |
6c223761 KB |
8638 | pqi_free_interrupts(ctrl_info); |
8639 | if (ctrl_info->queue_memory_base) | |
8640 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8641 | ctrl_info->queue_memory_length, | |
8642 | ctrl_info->queue_memory_base, | |
8643 | ctrl_info->queue_memory_base_dma_handle); | |
8644 | if (ctrl_info->admin_queue_memory_base) | |
8645 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8646 | ctrl_info->admin_queue_memory_length, | |
8647 | ctrl_info->admin_queue_memory_base, | |
8648 | ctrl_info->admin_queue_memory_base_dma_handle); | |
8649 | pqi_free_all_io_requests(ctrl_info); | |
8650 | if (ctrl_info->error_buffer) | |
8651 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8652 | ctrl_info->error_buffer_length, | |
8653 | ctrl_info->error_buffer, | |
8654 | ctrl_info->error_buffer_dma_handle); | |
8655 | if (ctrl_info->iomem_base) | |
8656 | pqi_cleanup_pci_init(ctrl_info); | |
8657 | pqi_free_ctrl_info(ctrl_info); | |
8658 | } | |
8659 | ||
8660 | static void pqi_remove_ctrl(struct pqi_ctrl_info *ctrl_info) | |
8661 | { | |
331f7e99 SB |
8662 | ctrl_info->controller_online = false; |
8663 | pqi_stop_heartbeat_timer(ctrl_info); | |
8664 | pqi_ctrl_block_requests(ctrl_info); | |
061ef06a KB |
8665 | pqi_cancel_rescan_worker(ctrl_info); |
8666 | pqi_cancel_update_time_worker(ctrl_info); | |
331f7e99 SB |
8667 | if (ctrl_info->ctrl_removal_state == PQI_CTRL_SURPRISE_REMOVAL) { |
8668 | pqi_fail_all_outstanding_requests(ctrl_info); | |
8669 | ctrl_info->pqi_mode_enabled = false; | |
8670 | } | |
e57a1f9b | 8671 | pqi_unregister_scsi(ctrl_info); |
162d7753 KB |
8672 | if (ctrl_info->pqi_mode_enabled) |
8673 | pqi_revert_to_sis_mode(ctrl_info); | |
6c223761 KB |
8674 | pqi_free_ctrl_resources(ctrl_info); |
8675 | } | |
8676 | ||
4fd22c13 MR |
8677 | static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info) |
8678 | { | |
2790cd4d KB |
8679 | pqi_ctrl_block_scan(ctrl_info); |
8680 | pqi_scsi_block_requests(ctrl_info); | |
8681 | pqi_ctrl_block_device_reset(ctrl_info); | |
4fd22c13 MR |
8682 | pqi_ctrl_block_requests(ctrl_info); |
8683 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
4fd22c13 | 8684 | pqi_stop_heartbeat_timer(ctrl_info); |
4fd22c13 MR |
8685 | } |
8686 | ||
8687 | static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info) | |
8688 | { | |
4fd22c13 | 8689 | pqi_start_heartbeat_timer(ctrl_info); |
2790cd4d KB |
8690 | pqi_ctrl_unblock_requests(ctrl_info); |
8691 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
8692 | pqi_scsi_unblock_requests(ctrl_info); | |
8693 | pqi_ctrl_unblock_scan(ctrl_info); | |
4fd22c13 MR |
8694 | } |
8695 | ||
2790cd4d | 8696 | static int pqi_ofa_alloc_mem(struct pqi_ctrl_info *ctrl_info, u32 total_size, u32 chunk_size) |
4fd22c13 | 8697 | { |
4fd22c13 | 8698 | int i; |
2790cd4d | 8699 | u32 sg_count; |
4fd22c13 MR |
8700 | struct device *dev; |
8701 | struct pqi_ofa_memory *ofap; | |
2790cd4d KB |
8702 | struct pqi_sg_descriptor *mem_descriptor; |
8703 | dma_addr_t dma_handle; | |
4fd22c13 MR |
8704 | |
8705 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; | |
8706 | ||
2790cd4d KB |
8707 | sg_count = DIV_ROUND_UP(total_size, chunk_size); |
8708 | if (sg_count == 0 || sg_count > PQI_OFA_MAX_SG_DESCRIPTORS) | |
4fd22c13 MR |
8709 | goto out; |
8710 | ||
2790cd4d | 8711 | ctrl_info->pqi_ofa_chunk_virt_addr = kmalloc_array(sg_count, sizeof(void *), GFP_KERNEL); |
4fd22c13 MR |
8712 | if (!ctrl_info->pqi_ofa_chunk_virt_addr) |
8713 | goto out; | |
8714 | ||
2790cd4d | 8715 | dev = &ctrl_info->pci_dev->dev; |
4fd22c13 | 8716 | |
2790cd4d | 8717 | for (i = 0; i < sg_count; i++) { |
4fd22c13 | 8718 | ctrl_info->pqi_ofa_chunk_virt_addr[i] = |
2790cd4d | 8719 | dma_alloc_coherent(dev, chunk_size, &dma_handle, GFP_KERNEL); |
4fd22c13 | 8720 | if (!ctrl_info->pqi_ofa_chunk_virt_addr[i]) |
2790cd4d | 8721 | goto out_free_chunks; |
4fd22c13 | 8722 | mem_descriptor = &ofap->sg_descriptor[i]; |
583891c9 KB |
8723 | put_unaligned_le64((u64)dma_handle, &mem_descriptor->address); |
8724 | put_unaligned_le32(chunk_size, &mem_descriptor->length); | |
4fd22c13 MR |
8725 | } |
8726 | ||
4fd22c13 MR |
8727 | put_unaligned_le32(CISS_SG_LAST, &mem_descriptor->flags); |
8728 | put_unaligned_le16(sg_count, &ofap->num_memory_descriptors); | |
2790cd4d | 8729 | put_unaligned_le32(sg_count * chunk_size, &ofap->bytes_allocated); |
4fd22c13 MR |
8730 | |
8731 | return 0; | |
8732 | ||
8733 | out_free_chunks: | |
8734 | while (--i >= 0) { | |
8735 | mem_descriptor = &ofap->sg_descriptor[i]; | |
8736 | dma_free_coherent(dev, chunk_size, | |
2790cd4d KB |
8737 | ctrl_info->pqi_ofa_chunk_virt_addr[i], |
8738 | get_unaligned_le64(&mem_descriptor->address)); | |
4fd22c13 MR |
8739 | } |
8740 | kfree(ctrl_info->pqi_ofa_chunk_virt_addr); | |
8741 | ||
8742 | out: | |
4fd22c13 MR |
8743 | return -ENOMEM; |
8744 | } | |
8745 | ||
8746 | static int pqi_ofa_alloc_host_buffer(struct pqi_ctrl_info *ctrl_info) | |
8747 | { | |
8748 | u32 total_size; | |
2790cd4d | 8749 | u32 chunk_size; |
4fd22c13 | 8750 | u32 min_chunk_size; |
4fd22c13 | 8751 | |
2790cd4d KB |
8752 | if (ctrl_info->ofa_bytes_requested == 0) |
8753 | return 0; | |
4fd22c13 | 8754 | |
2790cd4d KB |
8755 | total_size = PAGE_ALIGN(ctrl_info->ofa_bytes_requested); |
8756 | min_chunk_size = DIV_ROUND_UP(total_size, PQI_OFA_MAX_SG_DESCRIPTORS); | |
8757 | min_chunk_size = PAGE_ALIGN(min_chunk_size); | |
4fd22c13 | 8758 | |
2790cd4d KB |
8759 | for (chunk_size = total_size; chunk_size >= min_chunk_size;) { |
8760 | if (pqi_ofa_alloc_mem(ctrl_info, total_size, chunk_size) == 0) | |
4fd22c13 | 8761 | return 0; |
2790cd4d KB |
8762 | chunk_size /= 2; |
8763 | chunk_size = PAGE_ALIGN(chunk_size); | |
8764 | } | |
4fd22c13 MR |
8765 | |
8766 | return -ENOMEM; | |
8767 | } | |
8768 | ||
2790cd4d | 8769 | static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 8770 | { |
4fd22c13 | 8771 | struct device *dev; |
2790cd4d | 8772 | struct pqi_ofa_memory *ofap; |
4fd22c13 MR |
8773 | |
8774 | dev = &ctrl_info->pci_dev->dev; | |
4fd22c13 | 8775 | |
2790cd4d KB |
8776 | ofap = dma_alloc_coherent(dev, sizeof(*ofap), |
8777 | &ctrl_info->pqi_ofa_mem_dma_handle, GFP_KERNEL); | |
8778 | if (!ofap) | |
4fd22c13 MR |
8779 | return; |
8780 | ||
2790cd4d | 8781 | ctrl_info->pqi_ofa_mem_virt_addr = ofap; |
4fd22c13 MR |
8782 | |
8783 | if (pqi_ofa_alloc_host_buffer(ctrl_info) < 0) { | |
2790cd4d KB |
8784 | dev_err(dev, |
8785 | "failed to allocate host buffer for Online Firmware Activation\n"); | |
8786 | dma_free_coherent(dev, sizeof(*ofap), ofap, ctrl_info->pqi_ofa_mem_dma_handle); | |
8787 | ctrl_info->pqi_ofa_mem_virt_addr = NULL; | |
8788 | return; | |
4fd22c13 | 8789 | } |
694c5d5b | 8790 | |
2790cd4d KB |
8791 | put_unaligned_le16(PQI_OFA_VERSION, &ofap->version); |
8792 | memcpy(&ofap->signature, PQI_OFA_SIGNATURE, sizeof(ofap->signature)); | |
4fd22c13 MR |
8793 | } |
8794 | ||
8795 | static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info) | |
8796 | { | |
2790cd4d KB |
8797 | unsigned int i; |
8798 | struct device *dev; | |
4fd22c13 | 8799 | struct pqi_ofa_memory *ofap; |
2790cd4d KB |
8800 | struct pqi_sg_descriptor *mem_descriptor; |
8801 | unsigned int num_memory_descriptors; | |
4fd22c13 MR |
8802 | |
8803 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; | |
4fd22c13 MR |
8804 | if (!ofap) |
8805 | return; | |
8806 | ||
2790cd4d KB |
8807 | dev = &ctrl_info->pci_dev->dev; |
8808 | ||
8809 | if (get_unaligned_le32(&ofap->bytes_allocated) == 0) | |
4fd22c13 MR |
8810 | goto out; |
8811 | ||
8812 | mem_descriptor = ofap->sg_descriptor; | |
2790cd4d KB |
8813 | num_memory_descriptors = |
8814 | get_unaligned_le16(&ofap->num_memory_descriptors); | |
4fd22c13 | 8815 | |
2790cd4d KB |
8816 | for (i = 0; i < num_memory_descriptors; i++) { |
8817 | dma_free_coherent(dev, | |
4fd22c13 MR |
8818 | get_unaligned_le32(&mem_descriptor[i].length), |
8819 | ctrl_info->pqi_ofa_chunk_virt_addr[i], | |
8820 | get_unaligned_le64(&mem_descriptor[i].address)); | |
8821 | } | |
8822 | kfree(ctrl_info->pqi_ofa_chunk_virt_addr); | |
8823 | ||
8824 | out: | |
2790cd4d KB |
8825 | dma_free_coherent(dev, sizeof(*ofap), ofap, |
8826 | ctrl_info->pqi_ofa_mem_dma_handle); | |
4fd22c13 MR |
8827 | ctrl_info->pqi_ofa_mem_virt_addr = NULL; |
8828 | } | |
8829 | ||
8830 | static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info) | |
8831 | { | |
2790cd4d | 8832 | u32 buffer_length; |
4fd22c13 | 8833 | struct pqi_vendor_general_request request; |
4fd22c13 MR |
8834 | struct pqi_ofa_memory *ofap; |
8835 | ||
8836 | memset(&request, 0, sizeof(request)); | |
8837 | ||
4fd22c13 MR |
8838 | request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; |
8839 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
8840 | &request.header.iu_length); | |
8841 | put_unaligned_le16(PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE, | |
8842 | &request.function_code); | |
8843 | ||
2790cd4d KB |
8844 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; |
8845 | ||
4fd22c13 | 8846 | if (ofap) { |
2790cd4d | 8847 | buffer_length = offsetof(struct pqi_ofa_memory, sg_descriptor) + |
4fd22c13 MR |
8848 | get_unaligned_le16(&ofap->num_memory_descriptors) * |
8849 | sizeof(struct pqi_sg_descriptor); | |
8850 | ||
8851 | put_unaligned_le64((u64)ctrl_info->pqi_ofa_mem_dma_handle, | |
8852 | &request.data.ofa_memory_allocation.buffer_address); | |
2790cd4d | 8853 | put_unaligned_le32(buffer_length, |
4fd22c13 | 8854 | &request.data.ofa_memory_allocation.buffer_length); |
4fd22c13 MR |
8855 | } |
8856 | ||
ae0c189d | 8857 | return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
4fd22c13 MR |
8858 | } |
8859 | ||
2790cd4d | 8860 | static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs) |
4fd22c13 | 8861 | { |
2790cd4d KB |
8862 | ssleep(delay_secs); |
8863 | ||
4fd22c13 MR |
8864 | return pqi_ctrl_init_resume(ctrl_info); |
8865 | } | |
8866 | ||
5f310425 KB |
8867 | static struct pqi_raid_error_info pqi_ctrl_offline_raid_error_info = { |
8868 | .data_out_result = PQI_DATA_IN_OUT_HARDWARE_ERROR, | |
8869 | .status = SAM_STAT_CHECK_CONDITION, | |
8870 | }; | |
8871 | ||
8872 | static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info) | |
376fb880 KB |
8873 | { |
8874 | unsigned int i; | |
376fb880 | 8875 | struct pqi_io_request *io_request; |
376fb880 | 8876 | struct scsi_cmnd *scmd; |
4f3cefc3 | 8877 | struct scsi_device *sdev; |
376fb880 | 8878 | |
5f310425 KB |
8879 | for (i = 0; i < ctrl_info->max_io_slots; i++) { |
8880 | io_request = &ctrl_info->io_request_pool[i]; | |
8881 | if (atomic_read(&io_request->refcount) == 0) | |
8882 | continue; | |
376fb880 | 8883 | |
5f310425 KB |
8884 | scmd = io_request->scmd; |
8885 | if (scmd) { | |
4f3cefc3 MR |
8886 | sdev = scmd->device; |
8887 | if (!sdev || !scsi_device_online(sdev)) { | |
8888 | pqi_free_io_request(io_request); | |
8889 | continue; | |
8890 | } else { | |
8891 | set_host_byte(scmd, DID_NO_CONNECT); | |
8892 | } | |
5f310425 KB |
8893 | } else { |
8894 | io_request->status = -ENXIO; | |
8895 | io_request->error_info = | |
8896 | &pqi_ctrl_offline_raid_error_info; | |
376fb880 | 8897 | } |
5f310425 KB |
8898 | |
8899 | io_request->io_complete_callback(io_request, | |
8900 | io_request->context); | |
376fb880 KB |
8901 | } |
8902 | } | |
8903 | ||
5f310425 | 8904 | static void pqi_take_ctrl_offline_deferred(struct pqi_ctrl_info *ctrl_info) |
376fb880 | 8905 | { |
5f310425 KB |
8906 | pqi_perform_lockup_action(); |
8907 | pqi_stop_heartbeat_timer(ctrl_info); | |
8908 | pqi_free_interrupts(ctrl_info); | |
8909 | pqi_cancel_rescan_worker(ctrl_info); | |
8910 | pqi_cancel_update_time_worker(ctrl_info); | |
8911 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
8912 | pqi_fail_all_outstanding_requests(ctrl_info); | |
5f310425 KB |
8913 | pqi_ctrl_unblock_requests(ctrl_info); |
8914 | } | |
8915 | ||
8916 | static void pqi_ctrl_offline_worker(struct work_struct *work) | |
8917 | { | |
8918 | struct pqi_ctrl_info *ctrl_info; | |
8919 | ||
8920 | ctrl_info = container_of(work, struct pqi_ctrl_info, ctrl_offline_work); | |
8921 | pqi_take_ctrl_offline_deferred(ctrl_info); | |
376fb880 KB |
8922 | } |
8923 | ||
5d1f03e6 MB |
8924 | static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, |
8925 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) | |
376fb880 | 8926 | { |
5f310425 KB |
8927 | if (!ctrl_info->controller_online) |
8928 | return; | |
8929 | ||
376fb880 | 8930 | ctrl_info->controller_online = false; |
5f310425 KB |
8931 | ctrl_info->pqi_mode_enabled = false; |
8932 | pqi_ctrl_block_requests(ctrl_info); | |
5a259e32 | 8933 | if (!pqi_disable_ctrl_shutdown) |
5d1f03e6 | 8934 | sis_shutdown_ctrl(ctrl_info, ctrl_shutdown_reason); |
376fb880 KB |
8935 | pci_disable_device(ctrl_info->pci_dev); |
8936 | dev_err(&ctrl_info->pci_dev->dev, "controller offline\n"); | |
5f310425 | 8937 | schedule_work(&ctrl_info->ctrl_offline_work); |
376fb880 KB |
8938 | } |
8939 | ||
d91d7820 | 8940 | static void pqi_print_ctrl_info(struct pci_dev *pci_dev, |
6c223761 KB |
8941 | const struct pci_device_id *id) |
8942 | { | |
8943 | char *ctrl_description; | |
8944 | ||
37b36847 | 8945 | if (id->driver_data) |
6c223761 | 8946 | ctrl_description = (char *)id->driver_data; |
37b36847 | 8947 | else |
6aa26b5a | 8948 | ctrl_description = "Microchip Smart Family Controller"; |
6c223761 | 8949 | |
d91d7820 | 8950 | dev_info(&pci_dev->dev, "%s found\n", ctrl_description); |
6c223761 KB |
8951 | } |
8952 | ||
d91d7820 KB |
8953 | static int pqi_pci_probe(struct pci_dev *pci_dev, |
8954 | const struct pci_device_id *id) | |
6c223761 KB |
8955 | { |
8956 | int rc; | |
c52efc92 | 8957 | int node; |
6c223761 KB |
8958 | struct pqi_ctrl_info *ctrl_info; |
8959 | ||
d91d7820 | 8960 | pqi_print_ctrl_info(pci_dev, id); |
6c223761 KB |
8961 | |
8962 | if (pqi_disable_device_id_wildcards && | |
8963 | id->subvendor == PCI_ANY_ID && | |
8964 | id->subdevice == PCI_ANY_ID) { | |
d91d7820 | 8965 | dev_warn(&pci_dev->dev, |
6c223761 KB |
8966 | "controller not probed because device ID wildcards are disabled\n"); |
8967 | return -ENODEV; | |
8968 | } | |
8969 | ||
8970 | if (id->subvendor == PCI_ANY_ID || id->subdevice == PCI_ANY_ID) | |
d91d7820 | 8971 | dev_warn(&pci_dev->dev, |
6c223761 KB |
8972 | "controller device ID matched using wildcards\n"); |
8973 | ||
d91d7820 | 8974 | node = dev_to_node(&pci_dev->dev); |
62dc51fb | 8975 | if (node == NUMA_NO_NODE) { |
c52efc92 MM |
8976 | node = cpu_to_node(0); |
8977 | if (node == NUMA_NO_NODE) | |
8978 | node = 0; | |
8979 | set_dev_node(&pci_dev->dev, node); | |
62dc51fb | 8980 | } |
6c223761 KB |
8981 | |
8982 | ctrl_info = pqi_alloc_ctrl_info(node); | |
8983 | if (!ctrl_info) { | |
d91d7820 | 8984 | dev_err(&pci_dev->dev, |
6c223761 KB |
8985 | "failed to allocate controller info block\n"); |
8986 | return -ENOMEM; | |
8987 | } | |
8988 | ||
d91d7820 | 8989 | ctrl_info->pci_dev = pci_dev; |
6c223761 KB |
8990 | |
8991 | rc = pqi_pci_init(ctrl_info); | |
8992 | if (rc) | |
8993 | goto error; | |
8994 | ||
8995 | rc = pqi_ctrl_init(ctrl_info); | |
8996 | if (rc) | |
8997 | goto error; | |
8998 | ||
8999 | return 0; | |
9000 | ||
9001 | error: | |
9002 | pqi_remove_ctrl(ctrl_info); | |
9003 | ||
9004 | return rc; | |
9005 | } | |
9006 | ||
d91d7820 | 9007 | static void pqi_pci_remove(struct pci_dev *pci_dev) |
6c223761 KB |
9008 | { |
9009 | struct pqi_ctrl_info *ctrl_info; | |
331f7e99 | 9010 | u16 vendor_id; |
6c223761 | 9011 | |
d91d7820 | 9012 | ctrl_info = pci_get_drvdata(pci_dev); |
6c223761 KB |
9013 | if (!ctrl_info) |
9014 | return; | |
9015 | ||
331f7e99 SB |
9016 | pci_read_config_word(ctrl_info->pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id); |
9017 | if (vendor_id == 0xffff) | |
9018 | ctrl_info->ctrl_removal_state = PQI_CTRL_SURPRISE_REMOVAL; | |
9019 | else | |
9020 | ctrl_info->ctrl_removal_state = PQI_CTRL_GRACEFUL_REMOVAL; | |
9021 | ||
6c223761 KB |
9022 | pqi_remove_ctrl(ctrl_info); |
9023 | } | |
9024 | ||
0530736e KB |
9025 | static void pqi_crash_if_pending_command(struct pqi_ctrl_info *ctrl_info) |
9026 | { | |
9027 | unsigned int i; | |
9028 | struct pqi_io_request *io_request; | |
9029 | struct scsi_cmnd *scmd; | |
9030 | ||
9031 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
9032 | io_request = &ctrl_info->io_request_pool[i]; | |
9033 | if (atomic_read(&io_request->refcount) == 0) | |
9034 | continue; | |
9035 | scmd = io_request->scmd; | |
9036 | WARN_ON(scmd != NULL); /* IO command from SML */ | |
9037 | WARN_ON(scmd == NULL); /* Non-IO cmd or driver initiated*/ | |
9038 | } | |
9039 | } | |
9040 | ||
d91d7820 | 9041 | static void pqi_shutdown(struct pci_dev *pci_dev) |
6c223761 KB |
9042 | { |
9043 | int rc; | |
9044 | struct pqi_ctrl_info *ctrl_info; | |
70ba20be | 9045 | enum bmic_flush_cache_shutdown_event shutdown_event; |
6c223761 | 9046 | |
d91d7820 | 9047 | ctrl_info = pci_get_drvdata(pci_dev); |
0530736e KB |
9048 | if (!ctrl_info) { |
9049 | dev_err(&pci_dev->dev, | |
9050 | "cache could not be flushed\n"); | |
9051 | return; | |
9052 | } | |
9053 | ||
0530736e | 9054 | pqi_wait_until_ofa_finished(ctrl_info); |
0530736e | 9055 | |
9fa82023 | 9056 | pqi_scsi_block_requests(ctrl_info); |
0530736e | 9057 | pqi_ctrl_block_device_reset(ctrl_info); |
9fa82023 KB |
9058 | pqi_ctrl_block_requests(ctrl_info); |
9059 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
6c223761 | 9060 | |
70ba20be SB |
9061 | if (system_state == SYSTEM_RESTART) |
9062 | shutdown_event = RESTART; | |
9063 | else | |
9064 | shutdown_event = SHUTDOWN; | |
9065 | ||
6c223761 KB |
9066 | /* |
9067 | * Write all data in the controller's battery-backed cache to | |
9068 | * storage. | |
9069 | */ | |
70ba20be | 9070 | rc = pqi_flush_cache(ctrl_info, shutdown_event); |
0530736e KB |
9071 | if (rc) |
9072 | dev_err(&pci_dev->dev, | |
9073 | "unable to flush controller cache\n"); | |
9074 | ||
0530736e KB |
9075 | pqi_crash_if_pending_command(ctrl_info); |
9076 | pqi_reset(ctrl_info); | |
6c223761 KB |
9077 | } |
9078 | ||
3c50976f KB |
9079 | static void pqi_process_lockup_action_param(void) |
9080 | { | |
9081 | unsigned int i; | |
9082 | ||
9083 | if (!pqi_lockup_action_param) | |
9084 | return; | |
9085 | ||
9086 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
9087 | if (strcmp(pqi_lockup_action_param, | |
9088 | pqi_lockup_actions[i].name) == 0) { | |
9089 | pqi_lockup_action = pqi_lockup_actions[i].action; | |
9090 | return; | |
9091 | } | |
9092 | } | |
9093 | ||
9094 | pr_warn("%s: invalid lockup action setting \"%s\" - supported settings: none, reboot, panic\n", | |
9095 | DRIVER_NAME_SHORT, pqi_lockup_action_param); | |
9096 | } | |
9097 | ||
6d567dfe KB |
9098 | #define PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS 30 |
9099 | #define PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS (30 * 60) | |
9100 | ||
9101 | static void pqi_process_ctrl_ready_timeout_param(void) | |
9102 | { | |
9103 | if (pqi_ctrl_ready_timeout_secs == 0) | |
9104 | return; | |
9105 | ||
9106 | if (pqi_ctrl_ready_timeout_secs < PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS) { | |
9107 | pr_warn("%s: ctrl_ready_timeout parm of %u second(s) is less than minimum timeout of %d seconds - setting timeout to %d seconds\n", | |
9108 | DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS); | |
9109 | pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS; | |
9110 | } else if (pqi_ctrl_ready_timeout_secs > PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS) { | |
9111 | pr_warn("%s: ctrl_ready_timeout parm of %u seconds is greater than maximum timeout of %d seconds - setting timeout to %d seconds\n", | |
9112 | DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS); | |
9113 | pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS; | |
9114 | } | |
9115 | ||
9116 | sis_ctrl_ready_timeout_secs = pqi_ctrl_ready_timeout_secs; | |
9117 | } | |
9118 | ||
3c50976f KB |
9119 | static void pqi_process_module_params(void) |
9120 | { | |
9121 | pqi_process_lockup_action_param(); | |
6d567dfe | 9122 | pqi_process_ctrl_ready_timeout_param(); |
3c50976f KB |
9123 | } |
9124 | ||
31b17c3a DB |
9125 | #if defined(CONFIG_PM) |
9126 | ||
b73357a1 SB |
9127 | static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_event(struct pci_dev *pci_dev) |
9128 | { | |
9129 | if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) | |
9130 | return RESTART; | |
c66e078a | 9131 | |
b73357a1 SB |
9132 | return SUSPEND; |
9133 | } | |
9134 | ||
c66e078a | 9135 | static int pqi_suspend_or_freeze(struct device *dev, bool suspend) |
061ef06a | 9136 | { |
c66e078a | 9137 | struct pci_dev *pci_dev; |
061ef06a KB |
9138 | struct pqi_ctrl_info *ctrl_info; |
9139 | ||
c66e078a | 9140 | pci_dev = to_pci_dev(dev); |
061ef06a KB |
9141 | ctrl_info = pci_get_drvdata(pci_dev); |
9142 | ||
4fd22c13 | 9143 | pqi_wait_until_ofa_finished(ctrl_info); |
9fa82023 KB |
9144 | |
9145 | pqi_ctrl_block_scan(ctrl_info); | |
9146 | pqi_scsi_block_requests(ctrl_info); | |
9147 | pqi_ctrl_block_device_reset(ctrl_info); | |
061ef06a KB |
9148 | pqi_ctrl_block_requests(ctrl_info); |
9149 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
061ef06a | 9150 | |
c66e078a KB |
9151 | if (suspend) { |
9152 | enum bmic_flush_cache_shutdown_event shutdown_event; | |
9fa82023 | 9153 | |
c66e078a KB |
9154 | shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); |
9155 | pqi_flush_cache(ctrl_info, shutdown_event); | |
9156 | } | |
061ef06a | 9157 | |
c66e078a KB |
9158 | pqi_stop_heartbeat_timer(ctrl_info); |
9159 | pqi_crash_if_pending_command(ctrl_info); | |
9160 | pqi_free_irqs(ctrl_info); | |
061ef06a KB |
9161 | |
9162 | ctrl_info->controller_online = false; | |
9163 | ctrl_info->pqi_mode_enabled = false; | |
9164 | ||
9165 | return 0; | |
9166 | } | |
9167 | ||
c66e078a KB |
9168 | static __maybe_unused int pqi_suspend(struct device *dev) |
9169 | { | |
9170 | return pqi_suspend_or_freeze(dev, true); | |
9171 | } | |
9172 | ||
9173 | static int pqi_resume_or_restore(struct device *dev) | |
061ef06a KB |
9174 | { |
9175 | int rc; | |
c66e078a | 9176 | struct pci_dev *pci_dev; |
061ef06a KB |
9177 | struct pqi_ctrl_info *ctrl_info; |
9178 | ||
c66e078a | 9179 | pci_dev = to_pci_dev(dev); |
061ef06a KB |
9180 | ctrl_info = pci_get_drvdata(pci_dev); |
9181 | ||
c66e078a KB |
9182 | rc = pqi_request_irqs(ctrl_info); |
9183 | if (rc) | |
9184 | return rc; | |
061ef06a | 9185 | |
43e97ef4 KB |
9186 | pqi_ctrl_unblock_device_reset(ctrl_info); |
9187 | pqi_ctrl_unblock_requests(ctrl_info); | |
9188 | pqi_scsi_unblock_requests(ctrl_info); | |
9189 | pqi_ctrl_unblock_scan(ctrl_info); | |
9190 | ||
c66e078a KB |
9191 | ssleep(PQI_POST_RESET_DELAY_SECS); |
9192 | ||
061ef06a KB |
9193 | return pqi_ctrl_init_resume(ctrl_info); |
9194 | } | |
9195 | ||
c66e078a KB |
9196 | static int pqi_freeze(struct device *dev) |
9197 | { | |
9198 | return pqi_suspend_or_freeze(dev, false); | |
9199 | } | |
9200 | ||
9201 | static int pqi_thaw(struct device *dev) | |
9202 | { | |
9203 | int rc; | |
9204 | struct pci_dev *pci_dev; | |
9205 | struct pqi_ctrl_info *ctrl_info; | |
9206 | ||
9207 | pci_dev = to_pci_dev(dev); | |
9208 | ctrl_info = pci_get_drvdata(pci_dev); | |
9209 | ||
9210 | rc = pqi_request_irqs(ctrl_info); | |
9211 | if (rc) | |
9212 | return rc; | |
9213 | ||
9214 | ctrl_info->controller_online = true; | |
9215 | ctrl_info->pqi_mode_enabled = true; | |
9216 | ||
9217 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
9218 | pqi_ctrl_unblock_requests(ctrl_info); | |
9219 | pqi_scsi_unblock_requests(ctrl_info); | |
9220 | pqi_ctrl_unblock_scan(ctrl_info); | |
9221 | ||
9222 | return 0; | |
9223 | } | |
9224 | ||
9225 | static int pqi_poweroff(struct device *dev) | |
9226 | { | |
9227 | struct pci_dev *pci_dev; | |
9228 | struct pqi_ctrl_info *ctrl_info; | |
9229 | enum bmic_flush_cache_shutdown_event shutdown_event; | |
9230 | ||
9231 | pci_dev = to_pci_dev(dev); | |
9232 | ctrl_info = pci_get_drvdata(pci_dev); | |
9233 | ||
9234 | shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); | |
9235 | pqi_flush_cache(ctrl_info, shutdown_event); | |
9236 | ||
9237 | return 0; | |
9238 | } | |
9239 | ||
9240 | static const struct dev_pm_ops pqi_pm_ops = { | |
9241 | .suspend = pqi_suspend, | |
9242 | .resume = pqi_resume_or_restore, | |
9243 | .freeze = pqi_freeze, | |
9244 | .thaw = pqi_thaw, | |
9245 | .poweroff = pqi_poweroff, | |
9246 | .restore = pqi_resume_or_restore, | |
9247 | }; | |
9248 | ||
31b17c3a DB |
9249 | #endif /* CONFIG_PM */ |
9250 | ||
6c223761 KB |
9251 | /* Define the PCI IDs for the controllers that we support. */ |
9252 | static const struct pci_device_id pqi_pci_id_table[] = { | |
b0f9408b KB |
9253 | { |
9254 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9255 | 0x105b, 0x1211) | |
9256 | }, | |
9257 | { | |
9258 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9259 | 0x105b, 0x1321) | |
9260 | }, | |
7eddabff KB |
9261 | { |
9262 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9263 | 0x152d, 0x8a22) | |
9264 | }, | |
9265 | { | |
9266 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9267 | 0x152d, 0x8a23) | |
9268 | }, | |
9269 | { | |
9270 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9271 | 0x152d, 0x8a24) | |
9272 | }, | |
9273 | { | |
9274 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9275 | 0x152d, 0x8a36) | |
9276 | }, | |
9277 | { | |
9278 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9279 | 0x152d, 0x8a37) | |
9280 | }, | |
0595a0b4 AK |
9281 | { |
9282 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9283 | 0x193d, 0x1104) | |
9284 | }, | |
9285 | { | |
9286 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9287 | 0x193d, 0x1105) | |
9288 | }, | |
9289 | { | |
9290 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9291 | 0x193d, 0x1106) | |
9292 | }, | |
9293 | { | |
9294 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9295 | 0x193d, 0x1107) | |
9296 | }, | |
d3af3f64 MR |
9297 | { |
9298 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9299 | 0x193d, 0x1108) | |
9300 | }, | |
9301 | { | |
9302 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9303 | 0x193d, 0x1109) | |
9304 | }, | |
b0f9408b KB |
9305 | { |
9306 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9307 | 0x193d, 0x8460) | |
9308 | }, | |
9309 | { | |
9310 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9311 | 0x193d, 0x8461) | |
9312 | }, | |
84a77fef MB |
9313 | { |
9314 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9315 | 0x193d, 0xc460) | |
9316 | }, | |
9317 | { | |
9318 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9319 | 0x193d, 0xc461) | |
9320 | }, | |
b0f9408b KB |
9321 | { |
9322 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9323 | 0x193d, 0xf460) | |
9324 | }, | |
9325 | { | |
9326 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9327 | 0x193d, 0xf461) | |
9328 | }, | |
9329 | { | |
9330 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9331 | 0x1bd4, 0x0045) | |
9332 | }, | |
9333 | { | |
9334 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9335 | 0x1bd4, 0x0046) | |
9336 | }, | |
9337 | { | |
9338 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9339 | 0x1bd4, 0x0047) | |
9340 | }, | |
9341 | { | |
9342 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9343 | 0x1bd4, 0x0048) | |
9344 | }, | |
9f8d05fa KB |
9345 | { |
9346 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9347 | 0x1bd4, 0x004a) | |
9348 | }, | |
9349 | { | |
9350 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9351 | 0x1bd4, 0x004b) | |
9352 | }, | |
9353 | { | |
9354 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9355 | 0x1bd4, 0x004c) | |
9356 | }, | |
63a7956a GW |
9357 | { |
9358 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9359 | 0x1bd4, 0x004f) | |
9360 | }, | |
75fbeacc KB |
9361 | { |
9362 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9363 | 0x1bd4, 0x0051) | |
9364 | }, | |
9365 | { | |
9366 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9367 | 0x1bd4, 0x0052) | |
9368 | }, | |
9369 | { | |
9370 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9371 | 0x1bd4, 0x0053) | |
9372 | }, | |
9373 | { | |
9374 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9375 | 0x1bd4, 0x0054) | |
9376 | }, | |
c57ee4cc DB |
9377 | { |
9378 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9379 | 0x1bd4, 0x006b) | |
9380 | }, | |
9381 | { | |
9382 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9383 | 0x1bd4, 0x006c) | |
9384 | }, | |
9385 | { | |
9386 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9387 | 0x1bd4, 0x006d) | |
9388 | }, | |
9389 | { | |
9390 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9391 | 0x1bd4, 0x006f) | |
9392 | }, | |
9393 | { | |
9394 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9395 | 0x1bd4, 0x0070) | |
9396 | }, | |
9397 | { | |
9398 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9399 | 0x1bd4, 0x0071) | |
9400 | }, | |
9401 | { | |
9402 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9403 | 0x1bd4, 0x0072) | |
9404 | }, | |
c1b10475 AK |
9405 | { |
9406 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9407 | 0x19e5, 0xd227) | |
9408 | }, | |
9409 | { | |
9410 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9411 | 0x19e5, 0xd228) | |
9412 | }, | |
9413 | { | |
9414 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9415 | 0x19e5, 0xd229) | |
9416 | }, | |
9417 | { | |
9418 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9419 | 0x19e5, 0xd22a) | |
9420 | }, | |
9421 | { | |
9422 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9423 | 0x19e5, 0xd22b) | |
9424 | }, | |
9425 | { | |
9426 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9427 | 0x19e5, 0xd22c) | |
9428 | }, | |
6c223761 KB |
9429 | { |
9430 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9431 | PCI_VENDOR_ID_ADAPTEC2, 0x0110) | |
9432 | }, | |
9433 | { | |
9434 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
55790064 | 9435 | PCI_VENDOR_ID_ADAPTEC2, 0x0608) |
6c223761 | 9436 | }, |
44e68c4a MM |
9437 | { |
9438 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9439 | PCI_VENDOR_ID_ADAPTEC2, 0x0659) | |
9440 | }, | |
6c223761 KB |
9441 | { |
9442 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9443 | PCI_VENDOR_ID_ADAPTEC2, 0x0800) |
6c223761 KB |
9444 | }, |
9445 | { | |
9446 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9447 | PCI_VENDOR_ID_ADAPTEC2, 0x0801) |
6c223761 KB |
9448 | }, |
9449 | { | |
9450 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9451 | PCI_VENDOR_ID_ADAPTEC2, 0x0802) |
6c223761 KB |
9452 | }, |
9453 | { | |
9454 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9455 | PCI_VENDOR_ID_ADAPTEC2, 0x0803) |
6c223761 KB |
9456 | }, |
9457 | { | |
9458 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9459 | PCI_VENDOR_ID_ADAPTEC2, 0x0804) |
6c223761 KB |
9460 | }, |
9461 | { | |
9462 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9463 | PCI_VENDOR_ID_ADAPTEC2, 0x0805) |
6c223761 KB |
9464 | }, |
9465 | { | |
9466 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9467 | PCI_VENDOR_ID_ADAPTEC2, 0x0806) |
6c223761 | 9468 | }, |
55790064 KB |
9469 | { |
9470 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9471 | PCI_VENDOR_ID_ADAPTEC2, 0x0807) | |
9472 | }, | |
63a7956a GW |
9473 | { |
9474 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9475 | PCI_VENDOR_ID_ADAPTEC2, 0x0808) | |
9476 | }, | |
9477 | { | |
9478 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9479 | PCI_VENDOR_ID_ADAPTEC2, 0x0809) | |
9480 | }, | |
3af06083 MR |
9481 | { |
9482 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9483 | PCI_VENDOR_ID_ADAPTEC2, 0x080a) | |
9484 | }, | |
6c223761 KB |
9485 | { |
9486 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9487 | PCI_VENDOR_ID_ADAPTEC2, 0x0900) |
6c223761 KB |
9488 | }, |
9489 | { | |
9490 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9491 | PCI_VENDOR_ID_ADAPTEC2, 0x0901) |
6c223761 KB |
9492 | }, |
9493 | { | |
9494 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9495 | PCI_VENDOR_ID_ADAPTEC2, 0x0902) |
6c223761 KB |
9496 | }, |
9497 | { | |
9498 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9499 | PCI_VENDOR_ID_ADAPTEC2, 0x0903) |
6c223761 KB |
9500 | }, |
9501 | { | |
9502 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9503 | PCI_VENDOR_ID_ADAPTEC2, 0x0904) |
6c223761 KB |
9504 | }, |
9505 | { | |
9506 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9507 | PCI_VENDOR_ID_ADAPTEC2, 0x0905) |
6c223761 KB |
9508 | }, |
9509 | { | |
9510 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9511 | PCI_VENDOR_ID_ADAPTEC2, 0x0906) |
6c223761 KB |
9512 | }, |
9513 | { | |
9514 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9515 | PCI_VENDOR_ID_ADAPTEC2, 0x0907) |
6c223761 KB |
9516 | }, |
9517 | { | |
9518 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9519 | PCI_VENDOR_ID_ADAPTEC2, 0x0908) |
6c223761 | 9520 | }, |
55790064 KB |
9521 | { |
9522 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9523 | PCI_VENDOR_ID_ADAPTEC2, 0x090a) | |
9524 | }, | |
6c223761 KB |
9525 | { |
9526 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9527 | PCI_VENDOR_ID_ADAPTEC2, 0x1200) |
6c223761 KB |
9528 | }, |
9529 | { | |
9530 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9531 | PCI_VENDOR_ID_ADAPTEC2, 0x1201) |
6c223761 KB |
9532 | }, |
9533 | { | |
9534 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9535 | PCI_VENDOR_ID_ADAPTEC2, 0x1202) |
6c223761 KB |
9536 | }, |
9537 | { | |
9538 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9539 | PCI_VENDOR_ID_ADAPTEC2, 0x1280) |
6c223761 KB |
9540 | }, |
9541 | { | |
9542 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9543 | PCI_VENDOR_ID_ADAPTEC2, 0x1281) |
6c223761 | 9544 | }, |
b0f9408b KB |
9545 | { |
9546 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9547 | PCI_VENDOR_ID_ADAPTEC2, 0x1282) | |
9548 | }, | |
6c223761 KB |
9549 | { |
9550 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9551 | PCI_VENDOR_ID_ADAPTEC2, 0x1300) |
6c223761 KB |
9552 | }, |
9553 | { | |
9554 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9555 | PCI_VENDOR_ID_ADAPTEC2, 0x1301) |
6c223761 | 9556 | }, |
bd809e8d KB |
9557 | { |
9558 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9559 | PCI_VENDOR_ID_ADAPTEC2, 0x1302) | |
9560 | }, | |
9561 | { | |
9562 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9563 | PCI_VENDOR_ID_ADAPTEC2, 0x1303) | |
9564 | }, | |
c57ee4cc DB |
9565 | { |
9566 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9567 | PCI_VENDOR_ID_ADAPTEC2, 0x1304) | |
9568 | }, | |
6c223761 KB |
9569 | { |
9570 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff KB |
9571 | PCI_VENDOR_ID_ADAPTEC2, 0x1380) |
9572 | }, | |
75fbeacc KB |
9573 | { |
9574 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9575 | PCI_VENDOR_ID_ADAPTEC2, 0x1400) | |
9576 | }, | |
9577 | { | |
9578 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9579 | PCI_VENDOR_ID_ADAPTEC2, 0x1402) | |
9580 | }, | |
9581 | { | |
9582 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9583 | PCI_VENDOR_ID_ADAPTEC2, 0x1410) | |
9584 | }, | |
9585 | { | |
9586 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9587 | PCI_VENDOR_ID_ADAPTEC2, 0x1411) | |
9588 | }, | |
9589 | { | |
9590 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9591 | PCI_VENDOR_ID_ADAPTEC2, 0x1412) | |
9592 | }, | |
9593 | { | |
9594 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9595 | PCI_VENDOR_ID_ADAPTEC2, 0x1420) | |
9596 | }, | |
9597 | { | |
9598 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9599 | PCI_VENDOR_ID_ADAPTEC2, 0x1430) | |
9600 | }, | |
9601 | { | |
9602 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9603 | PCI_VENDOR_ID_ADAPTEC2, 0x1440) | |
9604 | }, | |
9605 | { | |
9606 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9607 | PCI_VENDOR_ID_ADAPTEC2, 0x1441) | |
9608 | }, | |
9609 | { | |
9610 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9611 | PCI_VENDOR_ID_ADAPTEC2, 0x1450) | |
9612 | }, | |
9613 | { | |
9614 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9615 | PCI_VENDOR_ID_ADAPTEC2, 0x1452) | |
9616 | }, | |
9617 | { | |
9618 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9619 | PCI_VENDOR_ID_ADAPTEC2, 0x1460) | |
9620 | }, | |
9621 | { | |
9622 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9623 | PCI_VENDOR_ID_ADAPTEC2, 0x1461) | |
9624 | }, | |
9625 | { | |
9626 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9627 | PCI_VENDOR_ID_ADAPTEC2, 0x1462) | |
9628 | }, | |
c57ee4cc DB |
9629 | { |
9630 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9631 | PCI_VENDOR_ID_ADAPTEC2, 0x1463) | |
9632 | }, | |
75fbeacc KB |
9633 | { |
9634 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9635 | PCI_VENDOR_ID_ADAPTEC2, 0x1470) | |
9636 | }, | |
9637 | { | |
9638 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9639 | PCI_VENDOR_ID_ADAPTEC2, 0x1471) | |
9640 | }, | |
9641 | { | |
9642 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9643 | PCI_VENDOR_ID_ADAPTEC2, 0x1472) | |
9644 | }, | |
c57ee4cc DB |
9645 | { |
9646 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9647 | PCI_VENDOR_ID_ADAPTEC2, 0x1473) | |
9648 | }, | |
9649 | { | |
9650 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9651 | PCI_VENDOR_ID_ADAPTEC2, 0x1474) | |
9652 | }, | |
75fbeacc KB |
9653 | { |
9654 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9655 | PCI_VENDOR_ID_ADAPTEC2, 0x1480) | |
9656 | }, | |
9657 | { | |
9658 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9659 | PCI_VENDOR_ID_ADAPTEC2, 0x1490) | |
9660 | }, | |
9661 | { | |
9662 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9663 | PCI_VENDOR_ID_ADAPTEC2, 0x1491) | |
9664 | }, | |
9665 | { | |
9666 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9667 | PCI_VENDOR_ID_ADAPTEC2, 0x14a0) | |
9668 | }, | |
9669 | { | |
9670 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9671 | PCI_VENDOR_ID_ADAPTEC2, 0x14a1) | |
9672 | }, | |
80982656 MM |
9673 | { |
9674 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9675 | PCI_VENDOR_ID_ADAPTEC2, 0x14a2) | |
9676 | }, | |
c57ee4cc DB |
9677 | { |
9678 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9679 | PCI_VENDOR_ID_ADAPTEC2, 0x14a4) | |
9680 | }, | |
9681 | { | |
9682 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9683 | PCI_VENDOR_ID_ADAPTEC2, 0x14a5) | |
9684 | }, | |
9685 | { | |
9686 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9687 | PCI_VENDOR_ID_ADAPTEC2, 0x14a6) | |
9688 | }, | |
75fbeacc KB |
9689 | { |
9690 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9691 | PCI_VENDOR_ID_ADAPTEC2, 0x14b0) | |
9692 | }, | |
9693 | { | |
9694 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9695 | PCI_VENDOR_ID_ADAPTEC2, 0x14b1) | |
9696 | }, | |
9697 | { | |
9698 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9699 | PCI_VENDOR_ID_ADAPTEC2, 0x14c0) | |
9700 | }, | |
9701 | { | |
9702 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9703 | PCI_VENDOR_ID_ADAPTEC2, 0x14c1) | |
9704 | }, | |
c57ee4cc DB |
9705 | { |
9706 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9707 | PCI_VENDOR_ID_ADAPTEC2, 0x14c2) | |
9708 | }, | |
75fbeacc KB |
9709 | { |
9710 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9711 | PCI_VENDOR_ID_ADAPTEC2, 0x14d0) | |
9712 | }, | |
9713 | { | |
9714 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9715 | PCI_VENDOR_ID_ADAPTEC2, 0x14e0) | |
9716 | }, | |
9717 | { | |
9718 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9719 | PCI_VENDOR_ID_ADAPTEC2, 0x14f0) | |
9720 | }, | |
9f8d05fa KB |
9721 | { |
9722 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9723 | PCI_VENDOR_ID_ADVANTECH, 0x8312) | |
9724 | }, | |
55790064 KB |
9725 | { |
9726 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9727 | PCI_VENDOR_ID_DELL, 0x1fe0) | |
9728 | }, | |
7eddabff KB |
9729 | { |
9730 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9731 | PCI_VENDOR_ID_HP, 0x0600) | |
9732 | }, | |
9733 | { | |
9734 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9735 | PCI_VENDOR_ID_HP, 0x0601) | |
9736 | }, | |
9737 | { | |
9738 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9739 | PCI_VENDOR_ID_HP, 0x0602) | |
9740 | }, | |
9741 | { | |
9742 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9743 | PCI_VENDOR_ID_HP, 0x0603) | |
9744 | }, | |
9745 | { | |
9746 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
55790064 | 9747 | PCI_VENDOR_ID_HP, 0x0609) |
7eddabff KB |
9748 | }, |
9749 | { | |
9750 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9751 | PCI_VENDOR_ID_HP, 0x0650) | |
9752 | }, | |
9753 | { | |
9754 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9755 | PCI_VENDOR_ID_HP, 0x0651) | |
9756 | }, | |
9757 | { | |
9758 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9759 | PCI_VENDOR_ID_HP, 0x0652) | |
9760 | }, | |
9761 | { | |
9762 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9763 | PCI_VENDOR_ID_HP, 0x0653) | |
9764 | }, | |
9765 | { | |
9766 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9767 | PCI_VENDOR_ID_HP, 0x0654) | |
9768 | }, | |
9769 | { | |
9770 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9771 | PCI_VENDOR_ID_HP, 0x0655) | |
9772 | }, | |
7eddabff KB |
9773 | { |
9774 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9775 | PCI_VENDOR_ID_HP, 0x0700) | |
9776 | }, | |
9777 | { | |
9778 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9779 | PCI_VENDOR_ID_HP, 0x0701) | |
6c223761 KB |
9780 | }, |
9781 | { | |
9782 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9783 | PCI_VENDOR_ID_HP, 0x1001) | |
9784 | }, | |
75fbeacc KB |
9785 | { |
9786 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9787 | PCI_VENDOR_ID_HP, 0x1002) | |
9788 | }, | |
6c223761 KB |
9789 | { |
9790 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9791 | PCI_VENDOR_ID_HP, 0x1100) | |
9792 | }, | |
9793 | { | |
9794 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9795 | PCI_VENDOR_ID_HP, 0x1101) | |
9796 | }, | |
75fbeacc KB |
9797 | { |
9798 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9799 | 0x1590, 0x0294) | |
9800 | }, | |
9801 | { | |
9802 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9803 | 0x1590, 0x02db) | |
9804 | }, | |
9805 | { | |
9806 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9807 | 0x1590, 0x02dc) | |
9808 | }, | |
9809 | { | |
9810 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9811 | 0x1590, 0x032e) | |
9812 | }, | |
c57ee4cc DB |
9813 | { |
9814 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9815 | 0x1590, 0x036f) | |
9816 | }, | |
9817 | { | |
9818 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9819 | 0x1590, 0x0381) | |
9820 | }, | |
9821 | { | |
9822 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9823 | 0x1590, 0x0382) | |
9824 | }, | |
9825 | { | |
9826 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9827 | 0x1590, 0x0383) | |
9828 | }, | |
8bdb3b9c GW |
9829 | { |
9830 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9831 | 0x1d8d, 0x0800) | |
9832 | }, | |
9833 | { | |
9834 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9835 | 0x1d8d, 0x0908) | |
9836 | }, | |
9837 | { | |
9838 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9839 | 0x1d8d, 0x0806) | |
9840 | }, | |
9841 | { | |
9842 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9843 | 0x1d8d, 0x0916) | |
9844 | }, | |
71ecc60d GW |
9845 | { |
9846 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9847 | PCI_VENDOR_ID_GIGABYTE, 0x1000) | |
9848 | }, | |
e326b97c MM |
9849 | { |
9850 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9851 | 0x1dfc, 0x3161) | |
9852 | }, | |
c57ee4cc DB |
9853 | { |
9854 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9855 | 0x1f0c, 0x3161) | |
9856 | }, | |
09d9968a B |
9857 | { |
9858 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9859 | 0x1cf2, 0x5445) | |
9860 | }, | |
9861 | { | |
9862 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9863 | 0x1cf2, 0x5446) | |
9864 | }, | |
9865 | { | |
9866 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9867 | 0x1cf2, 0x5447) | |
9868 | }, | |
c57ee4cc DB |
9869 | { |
9870 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9871 | 0x1cf2, 0x5449) | |
9872 | }, | |
9873 | { | |
9874 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9875 | 0x1cf2, 0x544a) | |
9876 | }, | |
9877 | { | |
9878 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9879 | 0x1cf2, 0x544b) | |
9880 | }, | |
9881 | { | |
9882 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9883 | 0x1cf2, 0x544d) | |
9884 | }, | |
9885 | { | |
9886 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9887 | 0x1cf2, 0x544e) | |
9888 | }, | |
9889 | { | |
9890 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9891 | 0x1cf2, 0x544f) | |
9892 | }, | |
09d9968a B |
9893 | { |
9894 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9895 | 0x1cf2, 0x0b27) | |
9896 | }, | |
9897 | { | |
9898 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9899 | 0x1cf2, 0x0b29) | |
9900 | }, | |
9901 | { | |
9902 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9903 | 0x1cf2, 0x0b45) | |
9904 | }, | |
dab53784 MB |
9905 | { |
9906 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9907 | 0x1cc4, 0x0101) | |
9908 | }, | |
9909 | { | |
9910 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9911 | 0x1cc4, 0x0201) | |
9912 | }, | |
2a9c2ba2 MM |
9913 | { |
9914 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9915 | PCI_VENDOR_ID_LENOVO, 0x0220) | |
9916 | }, | |
9917 | { | |
9918 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9919 | PCI_VENDOR_ID_LENOVO, 0x0221) | |
9920 | }, | |
9921 | { | |
9922 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9923 | PCI_VENDOR_ID_LENOVO, 0x0520) | |
9924 | }, | |
9925 | { | |
9926 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9927 | PCI_VENDOR_ID_LENOVO, 0x0522) | |
9928 | }, | |
9929 | { | |
9930 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9931 | PCI_VENDOR_ID_LENOVO, 0x0620) | |
9932 | }, | |
9933 | { | |
9934 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9935 | PCI_VENDOR_ID_LENOVO, 0x0621) | |
9936 | }, | |
9937 | { | |
9938 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9939 | PCI_VENDOR_ID_LENOVO, 0x0622) | |
9940 | }, | |
9941 | { | |
9942 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9943 | PCI_VENDOR_ID_LENOVO, 0x0623) | |
9944 | }, | |
6c223761 KB |
9945 | { |
9946 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9947 | PCI_ANY_ID, PCI_ANY_ID) | |
9948 | }, | |
9949 | { 0 } | |
9950 | }; | |
9951 | ||
9952 | MODULE_DEVICE_TABLE(pci, pqi_pci_id_table); | |
9953 | ||
9954 | static struct pci_driver pqi_pci_driver = { | |
9955 | .name = DRIVER_NAME_SHORT, | |
9956 | .id_table = pqi_pci_id_table, | |
9957 | .probe = pqi_pci_probe, | |
9958 | .remove = pqi_pci_remove, | |
9959 | .shutdown = pqi_shutdown, | |
061ef06a | 9960 | #if defined(CONFIG_PM) |
c66e078a KB |
9961 | .driver = { |
9962 | .pm = &pqi_pm_ops | |
9963 | }, | |
061ef06a | 9964 | #endif |
6c223761 KB |
9965 | }; |
9966 | ||
9967 | static int __init pqi_init(void) | |
9968 | { | |
9969 | int rc; | |
9970 | ||
9971 | pr_info(DRIVER_NAME "\n"); | |
5e693586 MM |
9972 | pqi_verify_structures(); |
9973 | sis_verify_structures(); | |
6c223761 | 9974 | |
8b664fef | 9975 | pqi_sas_transport_template = sas_attach_transport(&pqi_sas_transport_functions); |
6c223761 KB |
9976 | if (!pqi_sas_transport_template) |
9977 | return -ENODEV; | |
9978 | ||
3c50976f KB |
9979 | pqi_process_module_params(); |
9980 | ||
6c223761 KB |
9981 | rc = pci_register_driver(&pqi_pci_driver); |
9982 | if (rc) | |
9983 | sas_release_transport(pqi_sas_transport_template); | |
9984 | ||
9985 | return rc; | |
9986 | } | |
9987 | ||
9988 | static void __exit pqi_cleanup(void) | |
9989 | { | |
9990 | pci_unregister_driver(&pqi_pci_driver); | |
9991 | sas_release_transport(pqi_sas_transport_template); | |
9992 | } | |
9993 | ||
9994 | module_init(pqi_init); | |
9995 | module_exit(pqi_cleanup); | |
9996 | ||
5e693586 | 9997 | static void pqi_verify_structures(void) |
6c223761 KB |
9998 | { |
9999 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10000 | sis_host_to_ctrl_doorbell) != 0x20); | |
10001 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10002 | sis_interrupt_mask) != 0x34); | |
10003 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10004 | sis_ctrl_to_host_doorbell) != 0x9c); | |
10005 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10006 | sis_ctrl_to_host_doorbell_clear) != 0xa0); | |
ff6abb73 KB |
10007 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10008 | sis_driver_scratch) != 0xb0); | |
2708a256 KB |
10009 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10010 | sis_product_identifier) != 0xb4); | |
6c223761 KB |
10011 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10012 | sis_firmware_status) != 0xbc); | |
5d1f03e6 MB |
10013 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10014 | sis_ctrl_shutdown_reason_code) != 0xcc); | |
6c223761 KB |
10015 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10016 | sis_mailbox) != 0x1000); | |
10017 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10018 | pqi_registers) != 0x4000); | |
10019 | ||
10020 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10021 | iu_type) != 0x0); | |
10022 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10023 | iu_length) != 0x2); | |
10024 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10025 | response_queue_id) != 0x4); | |
10026 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
ae0c189d | 10027 | driver_flags) != 0x6); |
6c223761 KB |
10028 | BUILD_BUG_ON(sizeof(struct pqi_iu_header) != 0x8); |
10029 | ||
10030 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10031 | status) != 0x0); | |
10032 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10033 | service_response) != 0x1); | |
10034 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10035 | data_present) != 0x2); | |
10036 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10037 | reserved) != 0x3); | |
10038 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10039 | residual_count) != 0x4); | |
10040 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10041 | data_length) != 0x8); | |
10042 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10043 | reserved1) != 0xa); | |
10044 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10045 | data) != 0xc); | |
10046 | BUILD_BUG_ON(sizeof(struct pqi_aio_error_info) != 0x10c); | |
10047 | ||
10048 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10049 | data_in_result) != 0x0); | |
10050 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10051 | data_out_result) != 0x1); | |
10052 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10053 | reserved) != 0x2); | |
10054 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10055 | status) != 0x5); | |
10056 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10057 | status_qualifier) != 0x6); | |
10058 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10059 | sense_data_length) != 0x8); | |
10060 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10061 | response_data_length) != 0xa); | |
10062 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10063 | data_in_transferred) != 0xc); | |
10064 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10065 | data_out_transferred) != 0x10); | |
10066 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10067 | data) != 0x14); | |
10068 | BUILD_BUG_ON(sizeof(struct pqi_raid_error_info) != 0x114); | |
10069 | ||
10070 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10071 | signature) != 0x0); | |
10072 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10073 | function_and_status_code) != 0x8); | |
10074 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10075 | max_admin_iq_elements) != 0x10); | |
10076 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10077 | max_admin_oq_elements) != 0x11); | |
10078 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10079 | admin_iq_element_length) != 0x12); | |
10080 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10081 | admin_oq_element_length) != 0x13); | |
10082 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10083 | max_reset_timeout) != 0x14); | |
10084 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10085 | legacy_intx_status) != 0x18); | |
10086 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10087 | legacy_intx_mask_set) != 0x1c); | |
10088 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10089 | legacy_intx_mask_clear) != 0x20); | |
10090 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10091 | device_status) != 0x40); | |
10092 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10093 | admin_iq_pi_offset) != 0x48); | |
10094 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10095 | admin_oq_ci_offset) != 0x50); | |
10096 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10097 | admin_iq_element_array_addr) != 0x58); | |
10098 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10099 | admin_oq_element_array_addr) != 0x60); | |
10100 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10101 | admin_iq_ci_addr) != 0x68); | |
10102 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10103 | admin_oq_pi_addr) != 0x70); | |
10104 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10105 | admin_iq_num_elements) != 0x78); | |
10106 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10107 | admin_oq_num_elements) != 0x79); | |
10108 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10109 | admin_queue_int_msg_num) != 0x7a); | |
10110 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10111 | device_error) != 0x80); | |
10112 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10113 | error_details) != 0x88); | |
10114 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10115 | device_reset) != 0x90); | |
10116 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10117 | power_action) != 0x94); | |
10118 | BUILD_BUG_ON(sizeof(struct pqi_device_registers) != 0x100); | |
10119 | ||
10120 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10121 | header.iu_type) != 0); | |
10122 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10123 | header.iu_length) != 2); | |
10124 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
ae0c189d | 10125 | header.driver_flags) != 6); |
6c223761 KB |
10126 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, |
10127 | request_id) != 8); | |
10128 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10129 | function_code) != 10); | |
10130 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10131 | data.report_device_capability.buffer_length) != 44); | |
10132 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10133 | data.report_device_capability.sg_descriptor) != 48); | |
10134 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10135 | data.create_operational_iq.queue_id) != 12); | |
10136 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10137 | data.create_operational_iq.element_array_addr) != 16); | |
10138 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10139 | data.create_operational_iq.ci_addr) != 24); | |
10140 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10141 | data.create_operational_iq.num_elements) != 32); | |
10142 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10143 | data.create_operational_iq.element_length) != 34); | |
10144 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10145 | data.create_operational_iq.queue_protocol) != 36); | |
10146 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10147 | data.create_operational_oq.queue_id) != 12); | |
10148 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10149 | data.create_operational_oq.element_array_addr) != 16); | |
10150 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10151 | data.create_operational_oq.pi_addr) != 24); | |
10152 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10153 | data.create_operational_oq.num_elements) != 32); | |
10154 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10155 | data.create_operational_oq.element_length) != 34); | |
10156 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10157 | data.create_operational_oq.queue_protocol) != 36); | |
10158 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10159 | data.create_operational_oq.int_msg_num) != 40); | |
10160 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10161 | data.create_operational_oq.coalescing_count) != 42); | |
10162 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10163 | data.create_operational_oq.min_coalescing_time) != 44); | |
10164 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10165 | data.create_operational_oq.max_coalescing_time) != 48); | |
10166 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10167 | data.delete_operational_queue.queue_id) != 12); | |
10168 | BUILD_BUG_ON(sizeof(struct pqi_general_admin_request) != 64); | |
c593642c | 10169 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 | 10170 | data.create_operational_iq) != 64 - 11); |
c593642c | 10171 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 | 10172 | data.create_operational_oq) != 64 - 11); |
c593642c | 10173 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 KB |
10174 | data.delete_operational_queue) != 64 - 11); |
10175 | ||
10176 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10177 | header.iu_type) != 0); | |
10178 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10179 | header.iu_length) != 2); | |
10180 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
ae0c189d | 10181 | header.driver_flags) != 6); |
6c223761 KB |
10182 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, |
10183 | request_id) != 8); | |
10184 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10185 | function_code) != 10); | |
10186 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10187 | status) != 11); | |
10188 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10189 | data.create_operational_iq.status_descriptor) != 12); | |
10190 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10191 | data.create_operational_iq.iq_pi_offset) != 16); | |
10192 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10193 | data.create_operational_oq.status_descriptor) != 12); | |
10194 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10195 | data.create_operational_oq.oq_ci_offset) != 16); | |
10196 | BUILD_BUG_ON(sizeof(struct pqi_general_admin_response) != 64); | |
10197 | ||
10198 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10199 | header.iu_type) != 0); | |
10200 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10201 | header.iu_length) != 2); | |
10202 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10203 | header.response_queue_id) != 4); | |
10204 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
ae0c189d | 10205 | header.driver_flags) != 6); |
6c223761 KB |
10206 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10207 | request_id) != 8); | |
10208 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10209 | nexus_id) != 10); | |
10210 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10211 | buffer_length) != 12); | |
10212 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10213 | lun_number) != 16); | |
10214 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10215 | protocol_specific) != 24); | |
10216 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10217 | error_index) != 27); | |
10218 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10219 | cdb) != 32); | |
21432010 | 10220 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10221 | timeout) != 60); | |
6c223761 KB |
10222 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10223 | sg_descriptors) != 64); | |
10224 | BUILD_BUG_ON(sizeof(struct pqi_raid_path_request) != | |
10225 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
10226 | ||
10227 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10228 | header.iu_type) != 0); | |
10229 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10230 | header.iu_length) != 2); | |
10231 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10232 | header.response_queue_id) != 4); | |
10233 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
ae0c189d | 10234 | header.driver_flags) != 6); |
6c223761 KB |
10235 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, |
10236 | request_id) != 8); | |
10237 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10238 | nexus_id) != 12); | |
10239 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10240 | buffer_length) != 16); | |
10241 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10242 | data_encryption_key_index) != 22); | |
10243 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10244 | encrypt_tweak_lower) != 24); | |
10245 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10246 | encrypt_tweak_upper) != 28); | |
10247 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10248 | cdb) != 32); | |
10249 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10250 | error_index) != 48); | |
10251 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10252 | num_sg_descriptors) != 50); | |
10253 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10254 | cdb_length) != 51); | |
10255 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10256 | lun_number) != 52); | |
10257 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10258 | sg_descriptors) != 64); | |
10259 | BUILD_BUG_ON(sizeof(struct pqi_aio_path_request) != | |
10260 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
10261 | ||
10262 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10263 | header.iu_type) != 0); | |
10264 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10265 | header.iu_length) != 2); | |
10266 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10267 | request_id) != 8); | |
10268 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10269 | error_index) != 10); | |
10270 | ||
10271 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10272 | header.iu_type) != 0); | |
10273 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10274 | header.iu_length) != 2); | |
10275 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10276 | header.response_queue_id) != 4); | |
10277 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10278 | request_id) != 8); | |
10279 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10280 | data.report_event_configuration.buffer_length) != 12); | |
10281 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10282 | data.report_event_configuration.sg_descriptors) != 16); | |
10283 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10284 | data.set_event_configuration.global_event_oq_id) != 10); | |
10285 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10286 | data.set_event_configuration.buffer_length) != 12); | |
10287 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10288 | data.set_event_configuration.sg_descriptors) != 16); | |
10289 | ||
10290 | BUILD_BUG_ON(offsetof(struct pqi_iu_layer_descriptor, | |
10291 | max_inbound_iu_length) != 6); | |
10292 | BUILD_BUG_ON(offsetof(struct pqi_iu_layer_descriptor, | |
10293 | max_outbound_iu_length) != 14); | |
10294 | BUILD_BUG_ON(sizeof(struct pqi_iu_layer_descriptor) != 16); | |
10295 | ||
10296 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10297 | data_length) != 0); | |
10298 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10299 | iq_arbitration_priority_support_bitmask) != 8); | |
10300 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10301 | maximum_aw_a) != 9); | |
10302 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10303 | maximum_aw_b) != 10); | |
10304 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10305 | maximum_aw_c) != 11); | |
10306 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10307 | max_inbound_queues) != 16); | |
10308 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10309 | max_elements_per_iq) != 18); | |
10310 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10311 | max_iq_element_length) != 24); | |
10312 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10313 | min_iq_element_length) != 26); | |
10314 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10315 | max_outbound_queues) != 30); | |
10316 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10317 | max_elements_per_oq) != 32); | |
10318 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10319 | intr_coalescing_time_granularity) != 34); | |
10320 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10321 | max_oq_element_length) != 36); | |
10322 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10323 | min_oq_element_length) != 38); | |
10324 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10325 | iu_layer_descriptors) != 64); | |
10326 | BUILD_BUG_ON(sizeof(struct pqi_device_capability) != 576); | |
10327 | ||
10328 | BUILD_BUG_ON(offsetof(struct pqi_event_descriptor, | |
10329 | event_type) != 0); | |
10330 | BUILD_BUG_ON(offsetof(struct pqi_event_descriptor, | |
10331 | oq_id) != 2); | |
10332 | BUILD_BUG_ON(sizeof(struct pqi_event_descriptor) != 4); | |
10333 | ||
10334 | BUILD_BUG_ON(offsetof(struct pqi_event_config, | |
10335 | num_event_descriptors) != 2); | |
10336 | BUILD_BUG_ON(offsetof(struct pqi_event_config, | |
10337 | descriptors) != 4); | |
10338 | ||
061ef06a KB |
10339 | BUILD_BUG_ON(PQI_NUM_SUPPORTED_EVENTS != |
10340 | ARRAY_SIZE(pqi_supported_event_types)); | |
10341 | ||
6c223761 KB |
10342 | BUILD_BUG_ON(offsetof(struct pqi_event_response, |
10343 | header.iu_type) != 0); | |
10344 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10345 | header.iu_length) != 2); | |
10346 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10347 | event_type) != 8); | |
10348 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10349 | event_id) != 10); | |
10350 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10351 | additional_event_id) != 12); | |
10352 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10353 | data) != 16); | |
10354 | BUILD_BUG_ON(sizeof(struct pqi_event_response) != 32); | |
10355 | ||
10356 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10357 | header.iu_type) != 0); | |
10358 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10359 | header.iu_length) != 2); | |
10360 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10361 | event_type) != 8); | |
10362 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10363 | event_id) != 10); | |
10364 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10365 | additional_event_id) != 12); | |
10366 | BUILD_BUG_ON(sizeof(struct pqi_event_acknowledge_request) != 16); | |
10367 | ||
10368 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10369 | header.iu_type) != 0); | |
10370 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10371 | header.iu_length) != 2); | |
10372 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10373 | request_id) != 8); | |
10374 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10375 | nexus_id) != 10); | |
10376 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
c2922f17 MB |
10377 | timeout) != 14); |
10378 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
6c223761 KB |
10379 | lun_number) != 16); |
10380 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10381 | protocol_specific) != 24); | |
10382 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10383 | outbound_queue_id_to_manage) != 26); | |
10384 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10385 | request_id_to_manage) != 28); | |
10386 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10387 | task_management_function) != 30); | |
10388 | BUILD_BUG_ON(sizeof(struct pqi_task_management_request) != 32); | |
10389 | ||
10390 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10391 | header.iu_type) != 0); | |
10392 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10393 | header.iu_length) != 2); | |
10394 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10395 | request_id) != 8); | |
10396 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10397 | nexus_id) != 10); | |
10398 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10399 | additional_response_info) != 12); | |
10400 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10401 | response_code) != 15); | |
10402 | BUILD_BUG_ON(sizeof(struct pqi_task_management_response) != 16); | |
10403 | ||
10404 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10405 | configured_logical_drive_count) != 0); | |
10406 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10407 | configuration_signature) != 1); | |
10408 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
598bef8d | 10409 | firmware_version_short) != 5); |
6c223761 KB |
10410 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10411 | extended_logical_unit_count) != 154); | |
10412 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10413 | firmware_build_number) != 190); | |
598bef8d KB |
10414 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10415 | vendor_id) != 200); | |
10416 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10417 | product_id) != 208); | |
10418 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10419 | extra_controller_flags) != 286); | |
6c223761 KB |
10420 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10421 | controller_mode) != 292); | |
598bef8d KB |
10422 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10423 | spare_part_number) != 293); | |
10424 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10425 | firmware_version_long) != 325); | |
6c223761 | 10426 | |
1be42f46 KB |
10427 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, |
10428 | phys_bay_in_box) != 115); | |
10429 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10430 | device_type) != 120); | |
10431 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10432 | redundant_path_present_map) != 1736); | |
10433 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10434 | active_path_number) != 1738); | |
10435 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10436 | alternate_paths_phys_connector) != 1739); | |
10437 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10438 | alternate_paths_phys_box_on_port) != 1755); | |
10439 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10440 | current_queue_depth_limit) != 1796); | |
10441 | BUILD_BUG_ON(sizeof(struct bmic_identify_physical_device) != 2560); | |
10442 | ||
f6cc2a77 KB |
10443 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_buffer_header) != 4); |
10444 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10445 | page_code) != 0); | |
10446 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10447 | subpage_code) != 1); | |
10448 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10449 | buffer_length) != 2); | |
10450 | ||
10451 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_page_header) != 4); | |
10452 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10453 | page_code) != 0); | |
10454 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10455 | subpage_code) != 1); | |
10456 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10457 | page_length) != 2); | |
10458 | ||
10459 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_io_page_aio_subpage) | |
10460 | != 18); | |
10461 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10462 | header) != 0); | |
10463 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10464 | firmware_read_support) != 4); | |
10465 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10466 | driver_read_support) != 5); | |
10467 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10468 | firmware_write_support) != 6); | |
10469 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10470 | driver_write_support) != 7); | |
10471 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10472 | max_transfer_encrypted_sas_sata) != 8); | |
10473 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10474 | max_transfer_encrypted_nvme) != 10); | |
10475 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10476 | max_write_raid_5_6) != 12); | |
10477 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10478 | max_write_raid_1_10_2drive) != 14); | |
10479 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10480 | max_write_raid_1_10_3drive) != 16); | |
10481 | ||
6c223761 KB |
10482 | BUILD_BUG_ON(PQI_ADMIN_IQ_NUM_ELEMENTS > 255); |
10483 | BUILD_BUG_ON(PQI_ADMIN_OQ_NUM_ELEMENTS > 255); | |
10484 | BUILD_BUG_ON(PQI_ADMIN_IQ_ELEMENT_LENGTH % | |
10485 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10486 | BUILD_BUG_ON(PQI_ADMIN_OQ_ELEMENT_LENGTH % | |
10487 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10488 | BUILD_BUG_ON(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH > 1048560); | |
10489 | BUILD_BUG_ON(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH % | |
10490 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10491 | BUILD_BUG_ON(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH > 1048560); | |
10492 | BUILD_BUG_ON(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH % | |
10493 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10494 | ||
10495 | BUILD_BUG_ON(PQI_RESERVED_IO_SLOTS >= PQI_MAX_OUTSTANDING_REQUESTS); | |
d727a776 KB |
10496 | BUILD_BUG_ON(PQI_RESERVED_IO_SLOTS >= |
10497 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP); | |
6c223761 | 10498 | } |