Commit | Line | Data |
---|---|---|
2cc37b15 | 1 | // SPDX-License-Identifier: GPL-2.0 |
6c223761 | 2 | /* |
889653ec | 3 | * driver for Microchip PQI-based storage controllers |
49fd52d4 | 4 | * Copyright (c) 2019-2023 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 | ||
fcb40511 | 36 | #define DRIVER_VERSION "2.1.22-040" |
d56030f8 DB |
37 | #define DRIVER_MAJOR 2 |
38 | #define DRIVER_MINOR 1 | |
fcb40511 DB |
39 | #define DRIVER_RELEASE 22 |
40 | #define DRIVER_REVISION 40 | |
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 | ||
153c45dd KB |
51 | #define PQI_NO_COMPLETION ((void *)-1) |
52 | ||
6aa26b5a DB |
53 | MODULE_AUTHOR("Microchip"); |
54 | MODULE_DESCRIPTION("Driver for Microchip Smart Family Controller version " | |
6c223761 | 55 | DRIVER_VERSION); |
6c223761 KB |
56 | MODULE_VERSION(DRIVER_VERSION); |
57 | MODULE_LICENSE("GPL"); | |
58 | ||
c1ea387d BVA |
59 | struct pqi_cmd_priv { |
60 | int this_residual; | |
61 | }; | |
62 | ||
63 | static struct pqi_cmd_priv *pqi_cmd_priv(struct scsi_cmnd *cmd) | |
64 | { | |
65 | return scsi_cmd_priv(cmd); | |
66 | } | |
67 | ||
5e693586 | 68 | static void pqi_verify_structures(void); |
5d1f03e6 MB |
69 | static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, |
70 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason); | |
5f310425 | 71 | static void pqi_ctrl_offline_worker(struct work_struct *work); |
6c223761 KB |
72 | static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info); |
73 | static void pqi_scan_start(struct Scsi_Host *shost); | |
74 | static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, | |
75 | struct pqi_queue_group *queue_group, enum pqi_io_path path, | |
76 | struct pqi_io_request *io_request); | |
77 | static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, | |
78 | struct pqi_iu_header *request, unsigned int flags, | |
ae0c189d | 79 | struct pqi_raid_error_info *error_info); |
6c223761 KB |
80 | static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, |
81 | struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, | |
82 | unsigned int cdb_length, struct pqi_queue_group *queue_group, | |
2a47834d | 83 | struct pqi_encryption_info *encryption_info, bool raid_bypass, bool io_high_prio); |
7a012c23 DB |
84 | static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, |
85 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
86 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
87 | struct pqi_scsi_dev_raid_map_data *rmd); | |
6702d2c4 DB |
88 | static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, |
89 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
90 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
91 | struct pqi_scsi_dev_raid_map_data *rmd); | |
4fd22c13 MR |
92 | static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info); |
93 | static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info); | |
2790cd4d KB |
94 | static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs); |
95 | static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info); | |
4fd22c13 MR |
96 | static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info); |
97 | static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info); | |
1e46731e | 98 | static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, |
904f2bfd | 99 | struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs); |
331f7e99 | 100 | static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info); |
153c45dd | 101 | static void pqi_tmf_worker(struct work_struct *work); |
6c223761 KB |
102 | |
103 | /* for flags argument to pqi_submit_raid_request_synchronous() */ | |
104 | #define PQI_SYNC_FLAGS_INTERRUPTABLE 0x1 | |
105 | ||
106 | static struct scsi_transport_template *pqi_sas_transport_template; | |
107 | ||
108 | static atomic_t pqi_controller_count = ATOMIC_INIT(0); | |
109 | ||
3c50976f KB |
110 | enum pqi_lockup_action { |
111 | NONE, | |
112 | REBOOT, | |
113 | PANIC | |
114 | }; | |
115 | ||
116 | static enum pqi_lockup_action pqi_lockup_action = NONE; | |
117 | ||
118 | static struct { | |
119 | enum pqi_lockup_action action; | |
120 | char *name; | |
121 | } pqi_lockup_actions[] = { | |
122 | { | |
123 | .action = NONE, | |
124 | .name = "none", | |
125 | }, | |
126 | { | |
127 | .action = REBOOT, | |
128 | .name = "reboot", | |
129 | }, | |
130 | { | |
131 | .action = PANIC, | |
132 | .name = "panic", | |
133 | }, | |
134 | }; | |
135 | ||
6a50d6ad KB |
136 | static unsigned int pqi_supported_event_types[] = { |
137 | PQI_EVENT_TYPE_HOTPLUG, | |
138 | PQI_EVENT_TYPE_HARDWARE, | |
139 | PQI_EVENT_TYPE_PHYSICAL_DEVICE, | |
140 | PQI_EVENT_TYPE_LOGICAL_DEVICE, | |
4fd22c13 | 141 | PQI_EVENT_TYPE_OFA, |
6a50d6ad KB |
142 | PQI_EVENT_TYPE_AIO_STATE_CHANGE, |
143 | PQI_EVENT_TYPE_AIO_CONFIG_CHANGE, | |
144 | }; | |
145 | ||
6c223761 KB |
146 | static int pqi_disable_device_id_wildcards; |
147 | module_param_named(disable_device_id_wildcards, | |
cbe0c7b1 | 148 | pqi_disable_device_id_wildcards, int, 0644); |
6c223761 KB |
149 | MODULE_PARM_DESC(disable_device_id_wildcards, |
150 | "Disable device ID wildcards."); | |
151 | ||
5a259e32 KB |
152 | static int pqi_disable_heartbeat; |
153 | module_param_named(disable_heartbeat, | |
154 | pqi_disable_heartbeat, int, 0644); | |
155 | MODULE_PARM_DESC(disable_heartbeat, | |
156 | "Disable heartbeat."); | |
157 | ||
158 | static int pqi_disable_ctrl_shutdown; | |
159 | module_param_named(disable_ctrl_shutdown, | |
160 | pqi_disable_ctrl_shutdown, int, 0644); | |
161 | MODULE_PARM_DESC(disable_ctrl_shutdown, | |
162 | "Disable controller shutdown when controller locked up."); | |
163 | ||
3c50976f KB |
164 | static char *pqi_lockup_action_param; |
165 | module_param_named(lockup_action, | |
166 | pqi_lockup_action_param, charp, 0644); | |
167 | MODULE_PARM_DESC(lockup_action, "Action to take when controller locked up.\n" | |
168 | "\t\tSupported: none, reboot, panic\n" | |
169 | "\t\tDefault: none"); | |
170 | ||
5e6a9760 GW |
171 | static int pqi_expose_ld_first; |
172 | module_param_named(expose_ld_first, | |
173 | pqi_expose_ld_first, int, 0644); | |
583891c9 | 174 | MODULE_PARM_DESC(expose_ld_first, "Expose logical drives before physical drives."); |
5e6a9760 | 175 | |
522bc026 DC |
176 | static int pqi_hide_vsep; |
177 | module_param_named(hide_vsep, | |
178 | pqi_hide_vsep, int, 0644); | |
583891c9 | 179 | MODULE_PARM_DESC(hide_vsep, "Hide the virtual SEP for direct attached drives."); |
522bc026 | 180 | |
cf15c3e7 MM |
181 | static int pqi_disable_managed_interrupts; |
182 | module_param_named(disable_managed_interrupts, | |
183 | pqi_disable_managed_interrupts, int, 0644); | |
184 | MODULE_PARM_DESC(disable_managed_interrupts, | |
185 | "Disable the kernel automatically assigning SMP affinity to IRQs."); | |
186 | ||
6d567dfe KB |
187 | static unsigned int pqi_ctrl_ready_timeout_secs; |
188 | module_param_named(ctrl_ready_timeout, | |
189 | pqi_ctrl_ready_timeout_secs, uint, 0644); | |
190 | MODULE_PARM_DESC(ctrl_ready_timeout, | |
191 | "Timeout in seconds for driver to wait for controller ready."); | |
192 | ||
6c223761 KB |
193 | static char *raid_levels[] = { |
194 | "RAID-0", | |
195 | "RAID-4", | |
196 | "RAID-1(1+0)", | |
197 | "RAID-5", | |
198 | "RAID-5+1", | |
7a012c23 DB |
199 | "RAID-6", |
200 | "RAID-1(Triple)", | |
6c223761 KB |
201 | }; |
202 | ||
203 | static char *pqi_raid_level_to_string(u8 raid_level) | |
204 | { | |
205 | if (raid_level < ARRAY_SIZE(raid_levels)) | |
206 | return raid_levels[raid_level]; | |
207 | ||
a9f93392 | 208 | return "RAID UNKNOWN"; |
6c223761 KB |
209 | } |
210 | ||
211 | #define SA_RAID_0 0 | |
212 | #define SA_RAID_4 1 | |
213 | #define SA_RAID_1 2 /* also used for RAID 10 */ | |
214 | #define SA_RAID_5 3 /* also used for RAID 50 */ | |
215 | #define SA_RAID_51 4 | |
216 | #define SA_RAID_6 5 /* also used for RAID 60 */ | |
7a012c23 DB |
217 | #define SA_RAID_TRIPLE 6 /* also used for RAID 1+0 Triple */ |
218 | #define SA_RAID_MAX SA_RAID_TRIPLE | |
6c223761 KB |
219 | #define SA_RAID_UNKNOWN 0xff |
220 | ||
221 | static inline void pqi_scsi_done(struct scsi_cmnd *scmd) | |
222 | { | |
7561a7e4 | 223 | pqi_prep_for_scsi_done(scmd); |
0ca19080 | 224 | scsi_done(scmd); |
6c223761 KB |
225 | } |
226 | ||
b6e2ef67 | 227 | static inline void pqi_disable_write_same(struct scsi_device *sdev) |
6c223761 | 228 | { |
b6e2ef67 | 229 | sdev->no_write_same = 1; |
6c223761 KB |
230 | } |
231 | ||
6c223761 | 232 | static inline bool pqi_scsi3addr_equal(u8 *scsi3addr1, u8 *scsi3addr2) |
6c223761 | 233 | { |
6c223761 | 234 | return memcmp(scsi3addr1, scsi3addr2, 8) == 0; |
6c223761 KB |
235 | } |
236 | ||
237 | static inline bool pqi_is_logical_device(struct pqi_scsi_dev *device) | |
238 | { | |
239 | return !device->is_physical_device; | |
240 | } | |
241 | ||
bd10cf0b KB |
242 | static inline bool pqi_is_external_raid_addr(u8 *scsi3addr) |
243 | { | |
244 | return scsi3addr[2] != 0; | |
245 | } | |
246 | ||
694c5d5b KB |
247 | static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info) |
248 | { | |
249 | return !ctrl_info->controller_online; | |
250 | } | |
251 | ||
6c223761 KB |
252 | static inline void pqi_check_ctrl_health(struct pqi_ctrl_info *ctrl_info) |
253 | { | |
254 | if (ctrl_info->controller_online) | |
255 | if (!sis_is_firmware_running(ctrl_info)) | |
5d1f03e6 | 256 | pqi_take_ctrl_offline(ctrl_info, PQI_FIRMWARE_KERNEL_NOT_UP); |
6c223761 KB |
257 | } |
258 | ||
259 | static inline bool pqi_is_hba_lunid(u8 *scsi3addr) | |
260 | { | |
261 | return pqi_scsi3addr_equal(scsi3addr, RAID_CTLR_LUNID); | |
262 | } | |
263 | ||
9ee5d6e9 MR |
264 | #define PQI_DRIVER_SCRATCH_PQI_MODE 0x1 |
265 | #define PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED 0x2 | |
266 | ||
583891c9 | 267 | static inline enum pqi_ctrl_mode pqi_get_ctrl_mode(struct pqi_ctrl_info *ctrl_info) |
ff6abb73 | 268 | { |
9ee5d6e9 | 269 | return sis_read_driver_scratch(ctrl_info) & PQI_DRIVER_SCRATCH_PQI_MODE ? PQI_MODE : SIS_MODE; |
ff6abb73 KB |
270 | } |
271 | ||
272 | static inline void pqi_save_ctrl_mode(struct pqi_ctrl_info *ctrl_info, | |
273 | enum pqi_ctrl_mode mode) | |
274 | { | |
9ee5d6e9 MR |
275 | u32 driver_scratch; |
276 | ||
277 | driver_scratch = sis_read_driver_scratch(ctrl_info); | |
278 | ||
279 | if (mode == PQI_MODE) | |
280 | driver_scratch |= PQI_DRIVER_SCRATCH_PQI_MODE; | |
281 | else | |
282 | driver_scratch &= ~PQI_DRIVER_SCRATCH_PQI_MODE; | |
283 | ||
284 | sis_write_driver_scratch(ctrl_info, driver_scratch); | |
285 | } | |
286 | ||
287 | static inline bool pqi_is_fw_triage_supported(struct pqi_ctrl_info *ctrl_info) | |
288 | { | |
289 | return (sis_read_driver_scratch(ctrl_info) & PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED) != 0; | |
290 | } | |
291 | ||
292 | static inline void pqi_save_fw_triage_setting(struct pqi_ctrl_info *ctrl_info, bool is_supported) | |
293 | { | |
294 | u32 driver_scratch; | |
295 | ||
296 | driver_scratch = sis_read_driver_scratch(ctrl_info); | |
297 | ||
298 | if (is_supported) | |
299 | driver_scratch |= PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED; | |
300 | else | |
301 | driver_scratch &= ~PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED; | |
302 | ||
303 | sis_write_driver_scratch(ctrl_info, driver_scratch); | |
ff6abb73 KB |
304 | } |
305 | ||
9fa82023 KB |
306 | static inline void pqi_ctrl_block_scan(struct pqi_ctrl_info *ctrl_info) |
307 | { | |
308 | ctrl_info->scan_blocked = true; | |
309 | mutex_lock(&ctrl_info->scan_mutex); | |
310 | } | |
311 | ||
312 | static inline void pqi_ctrl_unblock_scan(struct pqi_ctrl_info *ctrl_info) | |
313 | { | |
314 | ctrl_info->scan_blocked = false; | |
315 | mutex_unlock(&ctrl_info->scan_mutex); | |
316 | } | |
317 | ||
318 | static inline bool pqi_ctrl_scan_blocked(struct pqi_ctrl_info *ctrl_info) | |
319 | { | |
320 | return ctrl_info->scan_blocked; | |
321 | } | |
322 | ||
694c5d5b KB |
323 | static inline void pqi_ctrl_block_device_reset(struct pqi_ctrl_info *ctrl_info) |
324 | { | |
37f33181 | 325 | mutex_lock(&ctrl_info->lun_reset_mutex); |
694c5d5b KB |
326 | } |
327 | ||
37f33181 | 328 | static inline void pqi_ctrl_unblock_device_reset(struct pqi_ctrl_info *ctrl_info) |
694c5d5b | 329 | { |
37f33181 | 330 | mutex_unlock(&ctrl_info->lun_reset_mutex); |
694c5d5b KB |
331 | } |
332 | ||
9fa82023 KB |
333 | static inline void pqi_scsi_block_requests(struct pqi_ctrl_info *ctrl_info) |
334 | { | |
335 | struct Scsi_Host *shost; | |
336 | unsigned int num_loops; | |
337 | int msecs_sleep; | |
338 | ||
339 | shost = ctrl_info->scsi_host; | |
340 | ||
341 | scsi_block_requests(shost); | |
342 | ||
343 | num_loops = 0; | |
344 | msecs_sleep = 20; | |
345 | while (scsi_host_busy(shost)) { | |
346 | num_loops++; | |
347 | if (num_loops == 10) | |
348 | msecs_sleep = 500; | |
349 | msleep(msecs_sleep); | |
350 | } | |
351 | } | |
352 | ||
353 | static inline void pqi_scsi_unblock_requests(struct pqi_ctrl_info *ctrl_info) | |
354 | { | |
355 | scsi_unblock_requests(ctrl_info->scsi_host); | |
356 | } | |
357 | ||
358 | static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info) | |
359 | { | |
360 | atomic_inc(&ctrl_info->num_busy_threads); | |
694c5d5b KB |
361 | } |
362 | ||
9fa82023 | 363 | static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info) |
694c5d5b | 364 | { |
9fa82023 | 365 | atomic_dec(&ctrl_info->num_busy_threads); |
694c5d5b KB |
366 | } |
367 | ||
368 | static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) | |
369 | { | |
370 | return ctrl_info->block_requests; | |
371 | } | |
372 | ||
7561a7e4 KB |
373 | static inline void pqi_ctrl_block_requests(struct pqi_ctrl_info *ctrl_info) |
374 | { | |
375 | ctrl_info->block_requests = true; | |
7561a7e4 KB |
376 | } |
377 | ||
378 | static inline void pqi_ctrl_unblock_requests(struct pqi_ctrl_info *ctrl_info) | |
379 | { | |
380 | ctrl_info->block_requests = false; | |
381 | wake_up_all(&ctrl_info->block_requests_wait); | |
7561a7e4 KB |
382 | } |
383 | ||
ae0c189d | 384 | static void pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 385 | { |
7561a7e4 | 386 | if (!pqi_ctrl_blocked(ctrl_info)) |
ae0c189d | 387 | return; |
7561a7e4 KB |
388 | |
389 | atomic_inc(&ctrl_info->num_blocked_threads); | |
ae0c189d KB |
390 | wait_event(ctrl_info->block_requests_wait, |
391 | !pqi_ctrl_blocked(ctrl_info)); | |
7561a7e4 | 392 | atomic_dec(&ctrl_info->num_blocked_threads); |
7561a7e4 KB |
393 | } |
394 | ||
18ff5f08 KB |
395 | #define PQI_QUIESCE_WARNING_TIMEOUT_SECS 10 |
396 | ||
7561a7e4 KB |
397 | static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info) |
398 | { | |
18ff5f08 KB |
399 | unsigned long start_jiffies; |
400 | unsigned long warning_timeout; | |
401 | bool displayed_warning; | |
402 | ||
403 | displayed_warning = false; | |
404 | start_jiffies = jiffies; | |
42dc0426 | 405 | warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
18ff5f08 | 406 | |
7561a7e4 | 407 | while (atomic_read(&ctrl_info->num_busy_threads) > |
18ff5f08 KB |
408 | atomic_read(&ctrl_info->num_blocked_threads)) { |
409 | if (time_after(jiffies, warning_timeout)) { | |
410 | dev_warn(&ctrl_info->pci_dev->dev, | |
411 | "waiting %u seconds for driver activity to quiesce\n", | |
412 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
413 | displayed_warning = true; | |
42dc0426 | 414 | warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
18ff5f08 | 415 | } |
7561a7e4 | 416 | usleep_range(1000, 2000); |
18ff5f08 KB |
417 | } |
418 | ||
419 | if (displayed_warning) | |
420 | dev_warn(&ctrl_info->pci_dev->dev, | |
421 | "driver activity quiesced after waiting for %u seconds\n", | |
422 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
7561a7e4 KB |
423 | } |
424 | ||
03b288cf KB |
425 | static inline bool pqi_device_offline(struct pqi_scsi_dev *device) |
426 | { | |
427 | return device->device_offline; | |
428 | } | |
429 | ||
2790cd4d | 430 | static inline void pqi_ctrl_ofa_start(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 431 | { |
2790cd4d | 432 | mutex_lock(&ctrl_info->ofa_mutex); |
7561a7e4 | 433 | } |
6c223761 | 434 | |
2790cd4d | 435 | static inline void pqi_ctrl_ofa_done(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 436 | { |
2790cd4d | 437 | mutex_unlock(&ctrl_info->ofa_mutex); |
4fd22c13 MR |
438 | } |
439 | ||
2790cd4d | 440 | static inline void pqi_wait_until_ofa_finished(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 441 | { |
2790cd4d KB |
442 | mutex_lock(&ctrl_info->ofa_mutex); |
443 | mutex_unlock(&ctrl_info->ofa_mutex); | |
4fd22c13 MR |
444 | } |
445 | ||
2790cd4d | 446 | static inline bool pqi_ofa_in_progress(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 447 | { |
2790cd4d | 448 | return mutex_is_locked(&ctrl_info->ofa_mutex); |
4fd22c13 MR |
449 | } |
450 | ||
1e46731e MR |
451 | static inline void pqi_device_remove_start(struct pqi_scsi_dev *device) |
452 | { | |
453 | device->in_remove = true; | |
454 | } | |
455 | ||
1bdf6e93 | 456 | static inline bool pqi_device_in_remove(struct pqi_scsi_dev *device) |
1e46731e | 457 | { |
1bdf6e93 | 458 | return device->in_remove; |
1e46731e MR |
459 | } |
460 | ||
153c45dd KB |
461 | static inline void pqi_device_reset_start(struct pqi_scsi_dev *device, u8 lun) |
462 | { | |
463 | device->in_reset[lun] = true; | |
464 | } | |
465 | ||
466 | static inline void pqi_device_reset_done(struct pqi_scsi_dev *device, u8 lun) | |
467 | { | |
468 | device->in_reset[lun] = false; | |
469 | } | |
470 | ||
471 | static inline bool pqi_device_in_reset(struct pqi_scsi_dev *device, u8 lun) | |
472 | { | |
473 | return device->in_reset[lun]; | |
474 | } | |
475 | ||
2790cd4d | 476 | static inline int pqi_event_type_to_event_index(unsigned int event_type) |
0530736e | 477 | { |
2790cd4d KB |
478 | int index; |
479 | ||
480 | for (index = 0; index < ARRAY_SIZE(pqi_supported_event_types); index++) | |
481 | if (event_type == pqi_supported_event_types[index]) | |
482 | return index; | |
483 | ||
484 | return -1; | |
0530736e KB |
485 | } |
486 | ||
2790cd4d | 487 | static inline bool pqi_is_supported_event(unsigned int event_type) |
0530736e | 488 | { |
2790cd4d | 489 | return pqi_event_type_to_event_index(event_type) != -1; |
0530736e KB |
490 | } |
491 | ||
583891c9 KB |
492 | static inline void pqi_schedule_rescan_worker_with_delay(struct pqi_ctrl_info *ctrl_info, |
493 | unsigned long delay) | |
5f310425 KB |
494 | { |
495 | if (pqi_ctrl_offline(ctrl_info)) | |
496 | return; | |
497 | ||
498 | schedule_delayed_work(&ctrl_info->rescan_work, delay); | |
499 | } | |
500 | ||
6c223761 KB |
501 | static inline void pqi_schedule_rescan_worker(struct pqi_ctrl_info *ctrl_info) |
502 | { | |
5f310425 KB |
503 | pqi_schedule_rescan_worker_with_delay(ctrl_info, 0); |
504 | } | |
505 | ||
42dc0426 | 506 | #define PQI_RESCAN_WORK_DELAY (10 * HZ) |
5f310425 | 507 | |
583891c9 | 508 | static inline void pqi_schedule_rescan_worker_delayed(struct pqi_ctrl_info *ctrl_info) |
5f310425 KB |
509 | { |
510 | pqi_schedule_rescan_worker_with_delay(ctrl_info, PQI_RESCAN_WORK_DELAY); | |
6c223761 KB |
511 | } |
512 | ||
061ef06a KB |
513 | static inline void pqi_cancel_rescan_worker(struct pqi_ctrl_info *ctrl_info) |
514 | { | |
515 | cancel_delayed_work_sync(&ctrl_info->rescan_work); | |
516 | } | |
517 | ||
98f87667 KB |
518 | static inline u32 pqi_read_heartbeat_counter(struct pqi_ctrl_info *ctrl_info) |
519 | { | |
520 | if (!ctrl_info->heartbeat_counter) | |
521 | return 0; | |
522 | ||
523 | return readl(ctrl_info->heartbeat_counter); | |
524 | } | |
525 | ||
4fd22c13 MR |
526 | static inline u8 pqi_read_soft_reset_status(struct pqi_ctrl_info *ctrl_info) |
527 | { | |
4fd22c13 MR |
528 | return readb(ctrl_info->soft_reset_status); |
529 | } | |
530 | ||
4ccc354b | 531 | static inline void pqi_clear_soft_reset_status(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 MR |
532 | { |
533 | u8 status; | |
534 | ||
4fd22c13 | 535 | status = pqi_read_soft_reset_status(ctrl_info); |
4ccc354b | 536 | status &= ~PQI_SOFT_RESET_ABORT; |
4fd22c13 MR |
537 | writeb(status, ctrl_info->soft_reset_status); |
538 | } | |
539 | ||
68f79204 GW |
540 | static inline bool pqi_is_io_high_priority(struct pqi_scsi_dev *device, struct scsi_cmnd *scmd) |
541 | { | |
542 | bool io_high_prio; | |
543 | int priority_class; | |
544 | ||
545 | io_high_prio = false; | |
546 | ||
547 | if (device->ncq_prio_enable) { | |
548 | priority_class = | |
549 | IOPRIO_PRIO_CLASS(req_get_ioprio(scsi_cmd_to_rq(scmd))); | |
550 | if (priority_class == IOPRIO_CLASS_RT) { | |
551 | /* Set NCQ priority for read/write commands. */ | |
552 | switch (scmd->cmnd[0]) { | |
553 | case WRITE_16: | |
554 | case READ_16: | |
555 | case WRITE_12: | |
556 | case READ_12: | |
557 | case WRITE_10: | |
558 | case READ_10: | |
559 | case WRITE_6: | |
560 | case READ_6: | |
561 | io_high_prio = true; | |
562 | break; | |
563 | } | |
564 | } | |
565 | } | |
566 | ||
567 | return io_high_prio; | |
568 | } | |
569 | ||
6c223761 KB |
570 | static int pqi_map_single(struct pci_dev *pci_dev, |
571 | struct pqi_sg_descriptor *sg_descriptor, void *buffer, | |
6917a9cc | 572 | size_t buffer_length, enum dma_data_direction data_direction) |
6c223761 KB |
573 | { |
574 | dma_addr_t bus_address; | |
575 | ||
6917a9cc | 576 | if (!buffer || buffer_length == 0 || data_direction == DMA_NONE) |
6c223761 KB |
577 | return 0; |
578 | ||
6917a9cc | 579 | bus_address = dma_map_single(&pci_dev->dev, buffer, buffer_length, |
6c223761 | 580 | data_direction); |
6917a9cc | 581 | if (dma_mapping_error(&pci_dev->dev, bus_address)) |
6c223761 KB |
582 | return -ENOMEM; |
583 | ||
584 | put_unaligned_le64((u64)bus_address, &sg_descriptor->address); | |
585 | put_unaligned_le32(buffer_length, &sg_descriptor->length); | |
586 | put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); | |
587 | ||
588 | return 0; | |
589 | } | |
590 | ||
591 | static void pqi_pci_unmap(struct pci_dev *pci_dev, | |
592 | struct pqi_sg_descriptor *descriptors, int num_descriptors, | |
6917a9cc | 593 | enum dma_data_direction data_direction) |
6c223761 KB |
594 | { |
595 | int i; | |
596 | ||
6917a9cc | 597 | if (data_direction == DMA_NONE) |
6c223761 KB |
598 | return; |
599 | ||
600 | for (i = 0; i < num_descriptors; i++) | |
6917a9cc | 601 | dma_unmap_single(&pci_dev->dev, |
6c223761 KB |
602 | (dma_addr_t)get_unaligned_le64(&descriptors[i].address), |
603 | get_unaligned_le32(&descriptors[i].length), | |
604 | data_direction); | |
605 | } | |
606 | ||
607 | static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, | |
608 | struct pqi_raid_path_request *request, u8 cmd, | |
609 | u8 *scsi3addr, void *buffer, size_t buffer_length, | |
6917a9cc | 610 | u16 vpd_page, enum dma_data_direction *dir) |
6c223761 KB |
611 | { |
612 | u8 *cdb; | |
171c2865 | 613 | size_t cdb_length = buffer_length; |
6c223761 KB |
614 | |
615 | memset(request, 0, sizeof(*request)); | |
616 | ||
617 | request->header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
618 | put_unaligned_le16(offsetof(struct pqi_raid_path_request, | |
619 | sg_descriptors[1]) - PQI_REQUEST_HEADER_LENGTH, | |
620 | &request->header.iu_length); | |
621 | put_unaligned_le32(buffer_length, &request->buffer_length); | |
622 | memcpy(request->lun_number, scsi3addr, sizeof(request->lun_number)); | |
623 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
624 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; | |
625 | ||
626 | cdb = request->cdb; | |
627 | ||
628 | switch (cmd) { | |
629 | case INQUIRY: | |
630 | request->data_direction = SOP_READ_FLAG; | |
631 | cdb[0] = INQUIRY; | |
632 | if (vpd_page & VPD_PAGE) { | |
633 | cdb[1] = 0x1; | |
634 | cdb[2] = (u8)vpd_page; | |
635 | } | |
171c2865 | 636 | cdb[4] = (u8)cdb_length; |
6c223761 KB |
637 | break; |
638 | case CISS_REPORT_LOG: | |
639 | case CISS_REPORT_PHYS: | |
640 | request->data_direction = SOP_READ_FLAG; | |
641 | cdb[0] = cmd; | |
28ca6d87 MM |
642 | if (cmd == CISS_REPORT_PHYS) { |
643 | if (ctrl_info->rpl_extended_format_4_5_supported) | |
644 | cdb[1] = CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_4; | |
645 | else | |
646 | cdb[1] = CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_2; | |
647 | } else { | |
f6cc2a77 | 648 | cdb[1] = ctrl_info->ciss_report_log_flags; |
28ca6d87 | 649 | } |
171c2865 | 650 | put_unaligned_be32(cdb_length, &cdb[6]); |
6c223761 KB |
651 | break; |
652 | case CISS_GET_RAID_MAP: | |
653 | request->data_direction = SOP_READ_FLAG; | |
654 | cdb[0] = CISS_READ; | |
655 | cdb[1] = CISS_GET_RAID_MAP; | |
171c2865 | 656 | put_unaligned_be32(cdb_length, &cdb[6]); |
6c223761 | 657 | break; |
58322fe0 | 658 | case SA_FLUSH_CACHE: |
ae0c189d | 659 | request->header.driver_flags = PQI_DRIVER_NONBLOCKABLE_REQUEST; |
6c223761 KB |
660 | request->data_direction = SOP_WRITE_FLAG; |
661 | cdb[0] = BMIC_WRITE; | |
58322fe0 | 662 | cdb[6] = BMIC_FLUSH_CACHE; |
171c2865 | 663 | put_unaligned_be16(cdb_length, &cdb[7]); |
6c223761 | 664 | break; |
171c2865 DC |
665 | case BMIC_SENSE_DIAG_OPTIONS: |
666 | cdb_length = 0; | |
df561f66 | 667 | fallthrough; |
6c223761 KB |
668 | case BMIC_IDENTIFY_CONTROLLER: |
669 | case BMIC_IDENTIFY_PHYSICAL_DEVICE: | |
6d90615f | 670 | case BMIC_SENSE_SUBSYSTEM_INFORMATION: |
f6cc2a77 | 671 | case BMIC_SENSE_FEATURE: |
6c223761 KB |
672 | request->data_direction = SOP_READ_FLAG; |
673 | cdb[0] = BMIC_READ; | |
674 | cdb[6] = cmd; | |
171c2865 | 675 | put_unaligned_be16(cdb_length, &cdb[7]); |
6c223761 | 676 | break; |
171c2865 DC |
677 | case BMIC_SET_DIAG_OPTIONS: |
678 | cdb_length = 0; | |
df561f66 | 679 | fallthrough; |
6c223761 KB |
680 | case BMIC_WRITE_HOST_WELLNESS: |
681 | request->data_direction = SOP_WRITE_FLAG; | |
682 | cdb[0] = BMIC_WRITE; | |
683 | cdb[6] = cmd; | |
171c2865 | 684 | put_unaligned_be16(cdb_length, &cdb[7]); |
6c223761 | 685 | break; |
3d46a59a DB |
686 | case BMIC_CSMI_PASSTHRU: |
687 | request->data_direction = SOP_BIDIRECTIONAL; | |
688 | cdb[0] = BMIC_WRITE; | |
689 | cdb[5] = CSMI_CC_SAS_SMP_PASSTHRU; | |
690 | cdb[6] = cmd; | |
691 | put_unaligned_be16(cdb_length, &cdb[7]); | |
6c223761 KB |
692 | break; |
693 | default: | |
9e68cccc | 694 | dev_err(&ctrl_info->pci_dev->dev, "unknown command 0x%c\n", cmd); |
6c223761 KB |
695 | break; |
696 | } | |
697 | ||
698 | switch (request->data_direction) { | |
699 | case SOP_READ_FLAG: | |
6917a9cc | 700 | *dir = DMA_FROM_DEVICE; |
6c223761 KB |
701 | break; |
702 | case SOP_WRITE_FLAG: | |
6917a9cc | 703 | *dir = DMA_TO_DEVICE; |
6c223761 KB |
704 | break; |
705 | case SOP_NO_DIRECTION_FLAG: | |
6917a9cc | 706 | *dir = DMA_NONE; |
6c223761 KB |
707 | break; |
708 | default: | |
6917a9cc | 709 | *dir = DMA_BIDIRECTIONAL; |
6c223761 KB |
710 | break; |
711 | } | |
712 | ||
6c223761 | 713 | return pqi_map_single(ctrl_info->pci_dev, &request->sg_descriptors[0], |
6917a9cc | 714 | buffer, buffer_length, *dir); |
6c223761 KB |
715 | } |
716 | ||
376fb880 KB |
717 | static inline void pqi_reinit_io_request(struct pqi_io_request *io_request) |
718 | { | |
719 | io_request->scmd = NULL; | |
720 | io_request->status = 0; | |
721 | io_request->error_info = NULL; | |
722 | io_request->raid_bypass = false; | |
723 | } | |
724 | ||
b27ac2fa | 725 | static inline struct pqi_io_request *pqi_alloc_io_request(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) |
6c223761 KB |
726 | { |
727 | struct pqi_io_request *io_request; | |
b27ac2fa | 728 | u16 i; |
6c223761 | 729 | |
b27ac2fa DB |
730 | if (scmd) { /* SML I/O request */ |
731 | u32 blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd)); | |
732 | ||
733 | i = blk_mq_unique_tag_to_tag(blk_tag); | |
6c223761 | 734 | io_request = &ctrl_info->io_request_pool[i]; |
b27ac2fa DB |
735 | if (atomic_inc_return(&io_request->refcount) > 1) { |
736 | atomic_dec(&io_request->refcount); | |
737 | return NULL; | |
738 | } | |
739 | } else { /* IOCTL or driver internal request */ | |
740 | /* | |
741 | * benignly racy - may have to wait for an open slot. | |
742 | * command slot range is scsi_ml_can_queue - | |
743 | * [scsi_ml_can_queue + (PQI_RESERVED_IO_SLOTS - 1)] | |
744 | */ | |
745 | i = 0; | |
746 | while (1) { | |
747 | io_request = &ctrl_info->io_request_pool[ctrl_info->scsi_ml_can_queue + i]; | |
748 | if (atomic_inc_return(&io_request->refcount) == 1) | |
749 | break; | |
750 | atomic_dec(&io_request->refcount); | |
751 | i = (i + 1) % PQI_RESERVED_IO_SLOTS; | |
752 | } | |
6c223761 KB |
753 | } |
754 | ||
5c9e3c1c MB |
755 | if (io_request) |
756 | pqi_reinit_io_request(io_request); | |
6c223761 KB |
757 | |
758 | return io_request; | |
759 | } | |
760 | ||
761 | static void pqi_free_io_request(struct pqi_io_request *io_request) | |
762 | { | |
763 | atomic_dec(&io_request->refcount); | |
764 | } | |
765 | ||
02133b68 | 766 | static int pqi_send_scsi_raid_request(struct pqi_ctrl_info *ctrl_info, u8 cmd, |
694c5d5b | 767 | u8 *scsi3addr, void *buffer, size_t buffer_length, u16 vpd_page, |
ae0c189d | 768 | struct pqi_raid_error_info *error_info) |
6c223761 KB |
769 | { |
770 | int rc; | |
6c223761 | 771 | struct pqi_raid_path_request request; |
694c5d5b | 772 | enum dma_data_direction dir; |
6c223761 | 773 | |
583891c9 KB |
774 | rc = pqi_build_raid_path_request(ctrl_info, &request, cmd, scsi3addr, |
775 | buffer, buffer_length, vpd_page, &dir); | |
6c223761 KB |
776 | if (rc) |
777 | return rc; | |
778 | ||
ae0c189d | 779 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, error_info); |
6c223761 | 780 | |
6917a9cc | 781 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); |
694c5d5b | 782 | |
6c223761 KB |
783 | return rc; |
784 | } | |
785 | ||
694c5d5b | 786 | /* helper functions for pqi_send_scsi_raid_request */ |
02133b68 DC |
787 | |
788 | static inline int pqi_send_ctrl_raid_request(struct pqi_ctrl_info *ctrl_info, | |
694c5d5b | 789 | u8 cmd, void *buffer, size_t buffer_length) |
6c223761 | 790 | { |
02133b68 | 791 | return pqi_send_scsi_raid_request(ctrl_info, cmd, RAID_CTLR_LUNID, |
ae0c189d | 792 | buffer, buffer_length, 0, NULL); |
02133b68 | 793 | } |
6c223761 | 794 | |
02133b68 | 795 | static inline int pqi_send_ctrl_raid_with_error(struct pqi_ctrl_info *ctrl_info, |
694c5d5b KB |
796 | u8 cmd, void *buffer, size_t buffer_length, |
797 | struct pqi_raid_error_info *error_info) | |
02133b68 DC |
798 | { |
799 | return pqi_send_scsi_raid_request(ctrl_info, cmd, RAID_CTLR_LUNID, | |
ae0c189d | 800 | buffer, buffer_length, 0, error_info); |
02133b68 | 801 | } |
6c223761 | 802 | |
02133b68 | 803 | static inline int pqi_identify_controller(struct pqi_ctrl_info *ctrl_info, |
694c5d5b | 804 | struct bmic_identify_controller *buffer) |
02133b68 DC |
805 | { |
806 | return pqi_send_ctrl_raid_request(ctrl_info, BMIC_IDENTIFY_CONTROLLER, | |
694c5d5b | 807 | buffer, sizeof(*buffer)); |
02133b68 DC |
808 | } |
809 | ||
6d90615f | 810 | static inline int pqi_sense_subsystem_info(struct pqi_ctrl_info *ctrl_info, |
694c5d5b | 811 | struct bmic_sense_subsystem_info *sense_info) |
6d90615f MB |
812 | { |
813 | return pqi_send_ctrl_raid_request(ctrl_info, | |
694c5d5b KB |
814 | BMIC_SENSE_SUBSYSTEM_INFORMATION, sense_info, |
815 | sizeof(*sense_info)); | |
6d90615f MB |
816 | } |
817 | ||
02133b68 | 818 | static inline int pqi_scsi_inquiry(struct pqi_ctrl_info *ctrl_info, |
6c223761 | 819 | u8 *scsi3addr, u16 vpd_page, void *buffer, size_t buffer_length) |
02133b68 DC |
820 | { |
821 | return pqi_send_scsi_raid_request(ctrl_info, INQUIRY, scsi3addr, | |
ae0c189d | 822 | buffer, buffer_length, vpd_page, NULL); |
6c223761 KB |
823 | } |
824 | ||
825 | static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info, | |
826 | struct pqi_scsi_dev *device, | |
694c5d5b | 827 | struct bmic_identify_physical_device *buffer, size_t buffer_length) |
6c223761 KB |
828 | { |
829 | int rc; | |
6917a9cc | 830 | enum dma_data_direction dir; |
6c223761 KB |
831 | u16 bmic_device_index; |
832 | struct pqi_raid_path_request request; | |
833 | ||
834 | rc = pqi_build_raid_path_request(ctrl_info, &request, | |
835 | BMIC_IDENTIFY_PHYSICAL_DEVICE, RAID_CTLR_LUNID, buffer, | |
6917a9cc | 836 | buffer_length, 0, &dir); |
6c223761 KB |
837 | if (rc) |
838 | return rc; | |
839 | ||
840 | bmic_device_index = CISS_GET_DRIVE_NUMBER(device->scsi3addr); | |
841 | request.cdb[2] = (u8)bmic_device_index; | |
842 | request.cdb[9] = (u8)(bmic_device_index >> 8); | |
843 | ||
ae0c189d | 844 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 | 845 | |
6917a9cc | 846 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); |
694c5d5b | 847 | |
6c223761 KB |
848 | return rc; |
849 | } | |
850 | ||
f6cc2a77 KB |
851 | static inline u32 pqi_aio_limit_to_bytes(__le16 *limit) |
852 | { | |
853 | u32 bytes; | |
854 | ||
855 | bytes = get_unaligned_le16(limit); | |
856 | if (bytes == 0) | |
857 | bytes = ~0; | |
858 | else | |
859 | bytes *= 1024; | |
860 | ||
861 | return bytes; | |
862 | } | |
863 | ||
864 | #pragma pack(1) | |
865 | ||
866 | struct bmic_sense_feature_buffer { | |
867 | struct bmic_sense_feature_buffer_header header; | |
868 | struct bmic_sense_feature_io_page_aio_subpage aio_subpage; | |
869 | }; | |
870 | ||
871 | #pragma pack() | |
872 | ||
873 | #define MINIMUM_AIO_SUBPAGE_BUFFER_LENGTH \ | |
874 | offsetofend(struct bmic_sense_feature_buffer, \ | |
875 | aio_subpage.max_write_raid_1_10_3drive) | |
876 | ||
877 | #define MINIMUM_AIO_SUBPAGE_LENGTH \ | |
878 | (offsetofend(struct bmic_sense_feature_io_page_aio_subpage, \ | |
879 | max_write_raid_1_10_3drive) - \ | |
880 | sizeof_field(struct bmic_sense_feature_io_page_aio_subpage, header)) | |
881 | ||
882 | static int pqi_get_advanced_raid_bypass_config(struct pqi_ctrl_info *ctrl_info) | |
883 | { | |
884 | int rc; | |
885 | enum dma_data_direction dir; | |
886 | struct pqi_raid_path_request request; | |
887 | struct bmic_sense_feature_buffer *buffer; | |
888 | ||
889 | buffer = kmalloc(sizeof(*buffer), GFP_KERNEL); | |
890 | if (!buffer) | |
891 | return -ENOMEM; | |
892 | ||
583891c9 KB |
893 | rc = pqi_build_raid_path_request(ctrl_info, &request, BMIC_SENSE_FEATURE, RAID_CTLR_LUNID, |
894 | buffer, sizeof(*buffer), 0, &dir); | |
f6cc2a77 KB |
895 | if (rc) |
896 | goto error; | |
897 | ||
898 | request.cdb[2] = BMIC_SENSE_FEATURE_IO_PAGE; | |
899 | request.cdb[3] = BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE; | |
900 | ||
ae0c189d | 901 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 | 902 | |
6917a9cc | 903 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); |
694c5d5b | 904 | |
f6cc2a77 KB |
905 | if (rc) |
906 | goto error; | |
907 | ||
908 | if (buffer->header.page_code != BMIC_SENSE_FEATURE_IO_PAGE || | |
909 | buffer->header.subpage_code != | |
910 | BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE || | |
911 | get_unaligned_le16(&buffer->header.buffer_length) < | |
912 | MINIMUM_AIO_SUBPAGE_BUFFER_LENGTH || | |
913 | buffer->aio_subpage.header.page_code != | |
914 | BMIC_SENSE_FEATURE_IO_PAGE || | |
915 | buffer->aio_subpage.header.subpage_code != | |
916 | BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE || | |
917 | get_unaligned_le16(&buffer->aio_subpage.header.page_length) < | |
918 | MINIMUM_AIO_SUBPAGE_LENGTH) { | |
919 | goto error; | |
920 | } | |
921 | ||
922 | ctrl_info->max_transfer_encrypted_sas_sata = | |
923 | pqi_aio_limit_to_bytes( | |
924 | &buffer->aio_subpage.max_transfer_encrypted_sas_sata); | |
925 | ||
926 | ctrl_info->max_transfer_encrypted_nvme = | |
927 | pqi_aio_limit_to_bytes( | |
928 | &buffer->aio_subpage.max_transfer_encrypted_nvme); | |
929 | ||
930 | ctrl_info->max_write_raid_5_6 = | |
931 | pqi_aio_limit_to_bytes( | |
932 | &buffer->aio_subpage.max_write_raid_5_6); | |
933 | ||
934 | ctrl_info->max_write_raid_1_10_2drive = | |
935 | pqi_aio_limit_to_bytes( | |
936 | &buffer->aio_subpage.max_write_raid_1_10_2drive); | |
937 | ||
938 | ctrl_info->max_write_raid_1_10_3drive = | |
939 | pqi_aio_limit_to_bytes( | |
940 | &buffer->aio_subpage.max_write_raid_1_10_3drive); | |
941 | ||
942 | error: | |
943 | kfree(buffer); | |
944 | ||
6c223761 KB |
945 | return rc; |
946 | } | |
947 | ||
58322fe0 KB |
948 | static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info, |
949 | enum bmic_flush_cache_shutdown_event shutdown_event) | |
6c223761 KB |
950 | { |
951 | int rc; | |
58322fe0 | 952 | struct bmic_flush_cache *flush_cache; |
6c223761 | 953 | |
58322fe0 KB |
954 | flush_cache = kzalloc(sizeof(*flush_cache), GFP_KERNEL); |
955 | if (!flush_cache) | |
6c223761 KB |
956 | return -ENOMEM; |
957 | ||
58322fe0 KB |
958 | flush_cache->shutdown_event = shutdown_event; |
959 | ||
02133b68 DC |
960 | rc = pqi_send_ctrl_raid_request(ctrl_info, SA_FLUSH_CACHE, flush_cache, |
961 | sizeof(*flush_cache)); | |
6c223761 | 962 | |
58322fe0 | 963 | kfree(flush_cache); |
6c223761 KB |
964 | |
965 | return rc; | |
966 | } | |
967 | ||
3d46a59a DB |
968 | int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info, |
969 | struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length, | |
970 | struct pqi_raid_error_info *error_info) | |
971 | { | |
972 | return pqi_send_ctrl_raid_with_error(ctrl_info, BMIC_CSMI_PASSTHRU, | |
973 | buffer, buffer_length, error_info); | |
974 | } | |
171c2865 | 975 | |
694c5d5b | 976 | #define PQI_FETCH_PTRAID_DATA (1 << 31) |
171c2865 DC |
977 | |
978 | static int pqi_set_diag_rescan(struct pqi_ctrl_info *ctrl_info) | |
6c223761 KB |
979 | { |
980 | int rc; | |
171c2865 | 981 | struct bmic_diag_options *diag; |
6c223761 | 982 | |
171c2865 DC |
983 | diag = kzalloc(sizeof(*diag), GFP_KERNEL); |
984 | if (!diag) | |
985 | return -ENOMEM; | |
986 | ||
02133b68 | 987 | rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SENSE_DIAG_OPTIONS, |
694c5d5b | 988 | diag, sizeof(*diag)); |
6c223761 | 989 | if (rc) |
171c2865 | 990 | goto out; |
6c223761 | 991 | |
171c2865 DC |
992 | diag->options |= cpu_to_le32(PQI_FETCH_PTRAID_DATA); |
993 | ||
694c5d5b KB |
994 | rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SET_DIAG_OPTIONS, diag, |
995 | sizeof(*diag)); | |
996 | ||
171c2865 DC |
997 | out: |
998 | kfree(diag); | |
6c223761 | 999 | |
6c223761 KB |
1000 | return rc; |
1001 | } | |
1002 | ||
02133b68 | 1003 | static inline int pqi_write_host_wellness(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
1004 | void *buffer, size_t buffer_length) |
1005 | { | |
02133b68 | 1006 | return pqi_send_ctrl_raid_request(ctrl_info, BMIC_WRITE_HOST_WELLNESS, |
694c5d5b | 1007 | buffer, buffer_length); |
6c223761 KB |
1008 | } |
1009 | ||
1010 | #pragma pack(1) | |
1011 | ||
1012 | struct bmic_host_wellness_driver_version { | |
1013 | u8 start_tag[4]; | |
1014 | u8 driver_version_tag[2]; | |
1015 | __le16 driver_version_length; | |
1016 | char driver_version[32]; | |
b2346b50 | 1017 | u8 dont_write_tag[2]; |
6c223761 KB |
1018 | u8 end_tag[2]; |
1019 | }; | |
1020 | ||
1021 | #pragma pack() | |
1022 | ||
1023 | static int pqi_write_driver_version_to_host_wellness( | |
1024 | struct pqi_ctrl_info *ctrl_info) | |
1025 | { | |
1026 | int rc; | |
1027 | struct bmic_host_wellness_driver_version *buffer; | |
1028 | size_t buffer_length; | |
1029 | ||
1030 | buffer_length = sizeof(*buffer); | |
1031 | ||
1032 | buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1033 | if (!buffer) | |
1034 | return -ENOMEM; | |
1035 | ||
1036 | buffer->start_tag[0] = '<'; | |
1037 | buffer->start_tag[1] = 'H'; | |
1038 | buffer->start_tag[2] = 'W'; | |
1039 | buffer->start_tag[3] = '>'; | |
1040 | buffer->driver_version_tag[0] = 'D'; | |
1041 | buffer->driver_version_tag[1] = 'V'; | |
1042 | put_unaligned_le16(sizeof(buffer->driver_version), | |
1043 | &buffer->driver_version_length); | |
061ef06a | 1044 | strncpy(buffer->driver_version, "Linux " DRIVER_VERSION, |
6c223761 KB |
1045 | sizeof(buffer->driver_version) - 1); |
1046 | buffer->driver_version[sizeof(buffer->driver_version) - 1] = '\0'; | |
b2346b50 MR |
1047 | buffer->dont_write_tag[0] = 'D'; |
1048 | buffer->dont_write_tag[1] = 'W'; | |
6c223761 KB |
1049 | buffer->end_tag[0] = 'Z'; |
1050 | buffer->end_tag[1] = 'Z'; | |
1051 | ||
1052 | rc = pqi_write_host_wellness(ctrl_info, buffer, buffer_length); | |
1053 | ||
1054 | kfree(buffer); | |
1055 | ||
1056 | return rc; | |
1057 | } | |
1058 | ||
1059 | #pragma pack(1) | |
1060 | ||
1061 | struct bmic_host_wellness_time { | |
1062 | u8 start_tag[4]; | |
1063 | u8 time_tag[2]; | |
1064 | __le16 time_length; | |
1065 | u8 time[8]; | |
1066 | u8 dont_write_tag[2]; | |
1067 | u8 end_tag[2]; | |
1068 | }; | |
1069 | ||
1070 | #pragma pack() | |
1071 | ||
1072 | static int pqi_write_current_time_to_host_wellness( | |
1073 | struct pqi_ctrl_info *ctrl_info) | |
1074 | { | |
1075 | int rc; | |
1076 | struct bmic_host_wellness_time *buffer; | |
1077 | size_t buffer_length; | |
1078 | time64_t local_time; | |
1079 | unsigned int year; | |
ed10858e | 1080 | struct tm tm; |
6c223761 KB |
1081 | |
1082 | buffer_length = sizeof(*buffer); | |
1083 | ||
1084 | buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1085 | if (!buffer) | |
1086 | return -ENOMEM; | |
1087 | ||
1088 | buffer->start_tag[0] = '<'; | |
1089 | buffer->start_tag[1] = 'H'; | |
1090 | buffer->start_tag[2] = 'W'; | |
1091 | buffer->start_tag[3] = '>'; | |
1092 | buffer->time_tag[0] = 'T'; | |
1093 | buffer->time_tag[1] = 'D'; | |
1094 | put_unaligned_le16(sizeof(buffer->time), | |
1095 | &buffer->time_length); | |
1096 | ||
ed10858e AB |
1097 | local_time = ktime_get_real_seconds(); |
1098 | time64_to_tm(local_time, -sys_tz.tz_minuteswest * 60, &tm); | |
6c223761 KB |
1099 | year = tm.tm_year + 1900; |
1100 | ||
1101 | buffer->time[0] = bin2bcd(tm.tm_hour); | |
1102 | buffer->time[1] = bin2bcd(tm.tm_min); | |
1103 | buffer->time[2] = bin2bcd(tm.tm_sec); | |
1104 | buffer->time[3] = 0; | |
1105 | buffer->time[4] = bin2bcd(tm.tm_mon + 1); | |
1106 | buffer->time[5] = bin2bcd(tm.tm_mday); | |
1107 | buffer->time[6] = bin2bcd(year / 100); | |
1108 | buffer->time[7] = bin2bcd(year % 100); | |
1109 | ||
1110 | buffer->dont_write_tag[0] = 'D'; | |
1111 | buffer->dont_write_tag[1] = 'W'; | |
1112 | buffer->end_tag[0] = 'Z'; | |
1113 | buffer->end_tag[1] = 'Z'; | |
1114 | ||
1115 | rc = pqi_write_host_wellness(ctrl_info, buffer, buffer_length); | |
1116 | ||
1117 | kfree(buffer); | |
1118 | ||
1119 | return rc; | |
1120 | } | |
1121 | ||
42dc0426 | 1122 | #define PQI_UPDATE_TIME_WORK_INTERVAL (24UL * 60 * 60 * HZ) |
6c223761 KB |
1123 | |
1124 | static void pqi_update_time_worker(struct work_struct *work) | |
1125 | { | |
1126 | int rc; | |
1127 | struct pqi_ctrl_info *ctrl_info; | |
1128 | ||
1129 | ctrl_info = container_of(to_delayed_work(work), struct pqi_ctrl_info, | |
1130 | update_time_work); | |
1131 | ||
6c223761 KB |
1132 | rc = pqi_write_current_time_to_host_wellness(ctrl_info); |
1133 | if (rc) | |
1134 | dev_warn(&ctrl_info->pci_dev->dev, | |
1135 | "error updating time on controller\n"); | |
1136 | ||
1137 | schedule_delayed_work(&ctrl_info->update_time_work, | |
1138 | PQI_UPDATE_TIME_WORK_INTERVAL); | |
1139 | } | |
1140 | ||
583891c9 | 1141 | static inline void pqi_schedule_update_time_worker(struct pqi_ctrl_info *ctrl_info) |
6c223761 | 1142 | { |
4fbebf1a | 1143 | schedule_delayed_work(&ctrl_info->update_time_work, 0); |
061ef06a KB |
1144 | } |
1145 | ||
583891c9 | 1146 | static inline void pqi_cancel_update_time_worker(struct pqi_ctrl_info *ctrl_info) |
061ef06a | 1147 | { |
061ef06a | 1148 | cancel_delayed_work_sync(&ctrl_info->update_time_work); |
6c223761 KB |
1149 | } |
1150 | ||
583891c9 KB |
1151 | static inline int pqi_report_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, void *buffer, |
1152 | size_t buffer_length) | |
6c223761 | 1153 | { |
583891c9 | 1154 | return pqi_send_ctrl_raid_request(ctrl_info, cmd, buffer, buffer_length); |
6c223761 KB |
1155 | } |
1156 | ||
583891c9 | 1157 | static int pqi_report_phys_logical_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, void **buffer) |
6c223761 KB |
1158 | { |
1159 | int rc; | |
1160 | size_t lun_list_length; | |
1161 | size_t lun_data_length; | |
1162 | size_t new_lun_list_length; | |
1163 | void *lun_data = NULL; | |
1164 | struct report_lun_header *report_lun_header; | |
1165 | ||
1166 | report_lun_header = kmalloc(sizeof(*report_lun_header), GFP_KERNEL); | |
1167 | if (!report_lun_header) { | |
1168 | rc = -ENOMEM; | |
1169 | goto out; | |
1170 | } | |
1171 | ||
583891c9 | 1172 | rc = pqi_report_luns(ctrl_info, cmd, report_lun_header, sizeof(*report_lun_header)); |
6c223761 KB |
1173 | if (rc) |
1174 | goto out; | |
1175 | ||
1176 | lun_list_length = get_unaligned_be32(&report_lun_header->list_length); | |
1177 | ||
1178 | again: | |
1179 | lun_data_length = sizeof(struct report_lun_header) + lun_list_length; | |
1180 | ||
1181 | lun_data = kmalloc(lun_data_length, GFP_KERNEL); | |
1182 | if (!lun_data) { | |
1183 | rc = -ENOMEM; | |
1184 | goto out; | |
1185 | } | |
1186 | ||
1187 | if (lun_list_length == 0) { | |
1188 | memcpy(lun_data, report_lun_header, sizeof(*report_lun_header)); | |
1189 | goto out; | |
1190 | } | |
1191 | ||
1192 | rc = pqi_report_luns(ctrl_info, cmd, lun_data, lun_data_length); | |
1193 | if (rc) | |
1194 | goto out; | |
1195 | ||
583891c9 KB |
1196 | new_lun_list_length = |
1197 | get_unaligned_be32(&((struct report_lun_header *)lun_data)->list_length); | |
6c223761 KB |
1198 | |
1199 | if (new_lun_list_length > lun_list_length) { | |
1200 | lun_list_length = new_lun_list_length; | |
1201 | kfree(lun_data); | |
1202 | goto again; | |
1203 | } | |
1204 | ||
1205 | out: | |
1206 | kfree(report_lun_header); | |
1207 | ||
1208 | if (rc) { | |
1209 | kfree(lun_data); | |
1210 | lun_data = NULL; | |
1211 | } | |
1212 | ||
1213 | *buffer = lun_data; | |
1214 | ||
1215 | return rc; | |
1216 | } | |
1217 | ||
583891c9 | 1218 | static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **buffer) |
6c223761 | 1219 | { |
28ca6d87 MM |
1220 | int rc; |
1221 | unsigned int i; | |
1222 | u8 rpl_response_format; | |
1223 | u32 num_physicals; | |
28ca6d87 MM |
1224 | void *rpl_list; |
1225 | struct report_lun_header *rpl_header; | |
1226 | struct report_phys_lun_8byte_wwid_list *rpl_8byte_wwid_list; | |
1227 | struct report_phys_lun_16byte_wwid_list *rpl_16byte_wwid_list; | |
1228 | ||
1229 | rc = pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_PHYS, &rpl_list); | |
1230 | if (rc) | |
1231 | return rc; | |
1232 | ||
1233 | if (ctrl_info->rpl_extended_format_4_5_supported) { | |
1234 | rpl_header = rpl_list; | |
1235 | rpl_response_format = rpl_header->flags & CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_MASK; | |
1236 | if (rpl_response_format == CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_4) { | |
1237 | *buffer = rpl_list; | |
1238 | return 0; | |
1239 | } else if (rpl_response_format != CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_2) { | |
1240 | dev_err(&ctrl_info->pci_dev->dev, | |
1241 | "RPL returned unsupported data format %u\n", | |
1242 | rpl_response_format); | |
1243 | return -EINVAL; | |
1244 | } else { | |
1245 | dev_warn(&ctrl_info->pci_dev->dev, | |
1246 | "RPL returned extended format 2 instead of 4\n"); | |
1247 | } | |
1248 | } | |
1249 | ||
1250 | rpl_8byte_wwid_list = rpl_list; | |
1251 | num_physicals = get_unaligned_be32(&rpl_8byte_wwid_list->header.list_length) / sizeof(rpl_8byte_wwid_list->lun_entries[0]); | |
28ca6d87 | 1252 | |
6f0a92fd GS |
1253 | rpl_16byte_wwid_list = kmalloc(struct_size(rpl_16byte_wwid_list, lun_entries, |
1254 | num_physicals), GFP_KERNEL); | |
28ca6d87 MM |
1255 | if (!rpl_16byte_wwid_list) |
1256 | return -ENOMEM; | |
1257 | ||
1258 | put_unaligned_be32(num_physicals * sizeof(struct report_phys_lun_16byte_wwid), | |
1259 | &rpl_16byte_wwid_list->header.list_length); | |
1260 | rpl_16byte_wwid_list->header.flags = rpl_8byte_wwid_list->header.flags; | |
1261 | ||
1262 | for (i = 0; i < num_physicals; i++) { | |
1263 | 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 |
1264 | 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)); |
1265 | memset(&rpl_16byte_wwid_list->lun_entries[i].wwid[8], 0, 8); | |
28ca6d87 MM |
1266 | rpl_16byte_wwid_list->lun_entries[i].device_type = rpl_8byte_wwid_list->lun_entries[i].device_type; |
1267 | rpl_16byte_wwid_list->lun_entries[i].device_flags = rpl_8byte_wwid_list->lun_entries[i].device_flags; | |
1268 | rpl_16byte_wwid_list->lun_entries[i].lun_count = rpl_8byte_wwid_list->lun_entries[i].lun_count; | |
1269 | rpl_16byte_wwid_list->lun_entries[i].redundant_paths = rpl_8byte_wwid_list->lun_entries[i].redundant_paths; | |
1270 | rpl_16byte_wwid_list->lun_entries[i].aio_handle = rpl_8byte_wwid_list->lun_entries[i].aio_handle; | |
1271 | } | |
1272 | ||
1273 | kfree(rpl_8byte_wwid_list); | |
1274 | *buffer = rpl_16byte_wwid_list; | |
1275 | ||
1276 | return 0; | |
6c223761 KB |
1277 | } |
1278 | ||
583891c9 | 1279 | static inline int pqi_report_logical_luns(struct pqi_ctrl_info *ctrl_info, void **buffer) |
6c223761 KB |
1280 | { |
1281 | return pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_LOG, buffer); | |
1282 | } | |
1283 | ||
1284 | static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, | |
28ca6d87 MM |
1285 | struct report_phys_lun_16byte_wwid_list **physdev_list, |
1286 | struct report_log_lun_list **logdev_list) | |
6c223761 KB |
1287 | { |
1288 | int rc; | |
1289 | size_t logdev_list_length; | |
1290 | size_t logdev_data_length; | |
28ca6d87 MM |
1291 | struct report_log_lun_list *internal_logdev_list; |
1292 | struct report_log_lun_list *logdev_data; | |
6c223761 KB |
1293 | struct report_lun_header report_lun_header; |
1294 | ||
1295 | rc = pqi_report_phys_luns(ctrl_info, (void **)physdev_list); | |
1296 | if (rc) | |
1297 | dev_err(&ctrl_info->pci_dev->dev, | |
1298 | "report physical LUNs failed\n"); | |
1299 | ||
1300 | rc = pqi_report_logical_luns(ctrl_info, (void **)logdev_list); | |
1301 | if (rc) | |
1302 | dev_err(&ctrl_info->pci_dev->dev, | |
1303 | "report logical LUNs failed\n"); | |
1304 | ||
1305 | /* | |
ead82126 GS |
1306 | * Tack the controller itself onto the end of the logical device list |
1307 | * by adding a list entry that is all zeros. | |
6c223761 KB |
1308 | */ |
1309 | ||
1310 | logdev_data = *logdev_list; | |
1311 | ||
1312 | if (logdev_data) { | |
1313 | logdev_list_length = | |
1314 | get_unaligned_be32(&logdev_data->header.list_length); | |
1315 | } else { | |
1316 | memset(&report_lun_header, 0, sizeof(report_lun_header)); | |
1317 | logdev_data = | |
28ca6d87 | 1318 | (struct report_log_lun_list *)&report_lun_header; |
6c223761 KB |
1319 | logdev_list_length = 0; |
1320 | } | |
1321 | ||
1322 | logdev_data_length = sizeof(struct report_lun_header) + | |
1323 | logdev_list_length; | |
1324 | ||
1325 | internal_logdev_list = kmalloc(logdev_data_length + | |
28ca6d87 | 1326 | sizeof(struct report_log_lun), GFP_KERNEL); |
6c223761 KB |
1327 | if (!internal_logdev_list) { |
1328 | kfree(*logdev_list); | |
1329 | *logdev_list = NULL; | |
1330 | return -ENOMEM; | |
1331 | } | |
1332 | ||
1333 | memcpy(internal_logdev_list, logdev_data, logdev_data_length); | |
1334 | memset((u8 *)internal_logdev_list + logdev_data_length, 0, | |
28ca6d87 | 1335 | sizeof(struct report_log_lun)); |
6c223761 | 1336 | put_unaligned_be32(logdev_list_length + |
28ca6d87 | 1337 | sizeof(struct report_log_lun), |
6c223761 KB |
1338 | &internal_logdev_list->header.list_length); |
1339 | ||
1340 | kfree(*logdev_list); | |
1341 | *logdev_list = internal_logdev_list; | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | static inline void pqi_set_bus_target_lun(struct pqi_scsi_dev *device, | |
1347 | int bus, int target, int lun) | |
1348 | { | |
1349 | device->bus = bus; | |
1350 | device->target = target; | |
1351 | device->lun = lun; | |
1352 | } | |
1353 | ||
1354 | static void pqi_assign_bus_target_lun(struct pqi_scsi_dev *device) | |
1355 | { | |
1356 | u8 *scsi3addr; | |
1357 | u32 lunid; | |
bd10cf0b KB |
1358 | int bus; |
1359 | int target; | |
1360 | int lun; | |
6c223761 KB |
1361 | |
1362 | scsi3addr = device->scsi3addr; | |
1363 | lunid = get_unaligned_le32(scsi3addr); | |
1364 | ||
1365 | if (pqi_is_hba_lunid(scsi3addr)) { | |
1366 | /* The specified device is the controller. */ | |
1367 | pqi_set_bus_target_lun(device, PQI_HBA_BUS, 0, lunid & 0x3fff); | |
1368 | device->target_lun_valid = true; | |
1369 | return; | |
1370 | } | |
1371 | ||
1372 | if (pqi_is_logical_device(device)) { | |
bd10cf0b KB |
1373 | if (device->is_external_raid_device) { |
1374 | bus = PQI_EXTERNAL_RAID_VOLUME_BUS; | |
1375 | target = (lunid >> 16) & 0x3fff; | |
1376 | lun = lunid & 0xff; | |
1377 | } else { | |
1378 | bus = PQI_RAID_VOLUME_BUS; | |
1379 | target = 0; | |
1380 | lun = lunid & 0x3fff; | |
1381 | } | |
1382 | pqi_set_bus_target_lun(device, bus, target, lun); | |
6c223761 KB |
1383 | device->target_lun_valid = true; |
1384 | return; | |
1385 | } | |
1386 | ||
1387 | /* | |
1388 | * Defer target and LUN assignment for non-controller physical devices | |
1389 | * because the SAS transport layer will make these assignments later. | |
1390 | */ | |
1391 | pqi_set_bus_target_lun(device, PQI_PHYSICAL_DEVICE_BUS, 0, 0); | |
1392 | } | |
1393 | ||
1394 | static void pqi_get_raid_level(struct pqi_ctrl_info *ctrl_info, | |
1395 | struct pqi_scsi_dev *device) | |
1396 | { | |
1397 | int rc; | |
1398 | u8 raid_level; | |
1399 | u8 *buffer; | |
1400 | ||
1401 | raid_level = SA_RAID_UNKNOWN; | |
1402 | ||
1403 | buffer = kmalloc(64, GFP_KERNEL); | |
1404 | if (buffer) { | |
1405 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, | |
1406 | VPD_PAGE | CISS_VPD_LV_DEVICE_GEOMETRY, buffer, 64); | |
1407 | if (rc == 0) { | |
1408 | raid_level = buffer[8]; | |
1409 | if (raid_level > SA_RAID_MAX) | |
1410 | raid_level = SA_RAID_UNKNOWN; | |
1411 | } | |
1412 | kfree(buffer); | |
1413 | } | |
1414 | ||
1415 | device->raid_level = raid_level; | |
1416 | } | |
1417 | ||
1418 | static int pqi_validate_raid_map(struct pqi_ctrl_info *ctrl_info, | |
1419 | struct pqi_scsi_dev *device, struct raid_map *raid_map) | |
1420 | { | |
1421 | char *err_msg; | |
1422 | u32 raid_map_size; | |
1423 | u32 r5or6_blocks_per_row; | |
6c223761 KB |
1424 | |
1425 | raid_map_size = get_unaligned_le32(&raid_map->structure_size); | |
1426 | ||
1427 | if (raid_map_size < offsetof(struct raid_map, disk_data)) { | |
1428 | err_msg = "RAID map too small"; | |
1429 | goto bad_raid_map; | |
1430 | } | |
1431 | ||
6c223761 KB |
1432 | if (device->raid_level == SA_RAID_1) { |
1433 | if (get_unaligned_le16(&raid_map->layout_map_count) != 2) { | |
1434 | err_msg = "invalid RAID-1 map"; | |
1435 | goto bad_raid_map; | |
1436 | } | |
7a012c23 | 1437 | } else if (device->raid_level == SA_RAID_TRIPLE) { |
6c223761 | 1438 | if (get_unaligned_le16(&raid_map->layout_map_count) != 3) { |
7a012c23 | 1439 | err_msg = "invalid RAID-1(Triple) map"; |
6c223761 KB |
1440 | goto bad_raid_map; |
1441 | } | |
1442 | } else if ((device->raid_level == SA_RAID_5 || | |
1443 | device->raid_level == SA_RAID_6) && | |
1444 | get_unaligned_le16(&raid_map->layout_map_count) > 1) { | |
1445 | /* RAID 50/60 */ | |
1446 | r5or6_blocks_per_row = | |
1447 | get_unaligned_le16(&raid_map->strip_size) * | |
1448 | get_unaligned_le16(&raid_map->data_disks_per_row); | |
1449 | if (r5or6_blocks_per_row == 0) { | |
1450 | err_msg = "invalid RAID-5 or RAID-6 map"; | |
1451 | goto bad_raid_map; | |
1452 | } | |
1453 | } | |
1454 | ||
1455 | return 0; | |
1456 | ||
1457 | bad_raid_map: | |
d87d5474 | 1458 | dev_warn(&ctrl_info->pci_dev->dev, |
38a7338a KB |
1459 | "logical device %08x%08x %s\n", |
1460 | *((u32 *)&device->scsi3addr), | |
1461 | *((u32 *)&device->scsi3addr[4]), err_msg); | |
6c223761 KB |
1462 | |
1463 | return -EINVAL; | |
1464 | } | |
1465 | ||
1466 | static int pqi_get_raid_map(struct pqi_ctrl_info *ctrl_info, | |
1467 | struct pqi_scsi_dev *device) | |
1468 | { | |
1469 | int rc; | |
a91aaae0 | 1470 | u32 raid_map_size; |
6c223761 KB |
1471 | struct raid_map *raid_map; |
1472 | ||
1473 | raid_map = kmalloc(sizeof(*raid_map), GFP_KERNEL); | |
1474 | if (!raid_map) | |
1475 | return -ENOMEM; | |
1476 | ||
a91aaae0 | 1477 | rc = pqi_send_scsi_raid_request(ctrl_info, CISS_GET_RAID_MAP, |
ae0c189d | 1478 | device->scsi3addr, raid_map, sizeof(*raid_map), 0, NULL); |
6c223761 KB |
1479 | if (rc) |
1480 | goto error; | |
1481 | ||
a91aaae0 | 1482 | raid_map_size = get_unaligned_le32(&raid_map->structure_size); |
6c223761 | 1483 | |
a91aaae0 | 1484 | if (raid_map_size > sizeof(*raid_map)) { |
6c223761 | 1485 | |
a91aaae0 AK |
1486 | kfree(raid_map); |
1487 | ||
1488 | raid_map = kmalloc(raid_map_size, GFP_KERNEL); | |
1489 | if (!raid_map) | |
1490 | return -ENOMEM; | |
1491 | ||
1492 | rc = pqi_send_scsi_raid_request(ctrl_info, CISS_GET_RAID_MAP, | |
ae0c189d | 1493 | device->scsi3addr, raid_map, raid_map_size, 0, NULL); |
a91aaae0 AK |
1494 | if (rc) |
1495 | goto error; | |
1496 | ||
1497 | if (get_unaligned_le32(&raid_map->structure_size) | |
1498 | != raid_map_size) { | |
1499 | dev_warn(&ctrl_info->pci_dev->dev, | |
583891c9 | 1500 | "requested %u bytes, received %u bytes\n", |
a91aaae0 AK |
1501 | raid_map_size, |
1502 | get_unaligned_le32(&raid_map->structure_size)); | |
d1f6581a | 1503 | rc = -EINVAL; |
a91aaae0 AK |
1504 | goto error; |
1505 | } | |
1506 | } | |
6c223761 KB |
1507 | |
1508 | rc = pqi_validate_raid_map(ctrl_info, device, raid_map); | |
1509 | if (rc) | |
1510 | goto error; | |
1511 | ||
1512 | device->raid_map = raid_map; | |
1513 | ||
1514 | return 0; | |
1515 | ||
1516 | error: | |
1517 | kfree(raid_map); | |
1518 | ||
1519 | return rc; | |
1520 | } | |
1521 | ||
f6cc2a77 KB |
1522 | static void pqi_set_max_transfer_encrypted(struct pqi_ctrl_info *ctrl_info, |
1523 | struct pqi_scsi_dev *device) | |
1524 | { | |
1525 | if (!ctrl_info->lv_drive_type_mix_valid) { | |
1526 | device->max_transfer_encrypted = ~0; | |
1527 | return; | |
1528 | } | |
1529 | ||
1530 | switch (LV_GET_DRIVE_TYPE_MIX(device->scsi3addr)) { | |
1531 | case LV_DRIVE_TYPE_MIX_SAS_HDD_ONLY: | |
1532 | case LV_DRIVE_TYPE_MIX_SATA_HDD_ONLY: | |
1533 | case LV_DRIVE_TYPE_MIX_SAS_OR_SATA_SSD_ONLY: | |
1534 | case LV_DRIVE_TYPE_MIX_SAS_SSD_ONLY: | |
1535 | case LV_DRIVE_TYPE_MIX_SATA_SSD_ONLY: | |
1536 | case LV_DRIVE_TYPE_MIX_SAS_ONLY: | |
1537 | case LV_DRIVE_TYPE_MIX_SATA_ONLY: | |
1538 | device->max_transfer_encrypted = | |
1539 | ctrl_info->max_transfer_encrypted_sas_sata; | |
1540 | break; | |
1541 | case LV_DRIVE_TYPE_MIX_NVME_ONLY: | |
1542 | device->max_transfer_encrypted = | |
1543 | ctrl_info->max_transfer_encrypted_nvme; | |
1544 | break; | |
1545 | case LV_DRIVE_TYPE_MIX_UNKNOWN: | |
1546 | case LV_DRIVE_TYPE_MIX_NO_RESTRICTION: | |
1547 | default: | |
1548 | device->max_transfer_encrypted = | |
1549 | min(ctrl_info->max_transfer_encrypted_sas_sata, | |
1550 | ctrl_info->max_transfer_encrypted_nvme); | |
1551 | break; | |
1552 | } | |
1553 | } | |
1554 | ||
588a63fe | 1555 | static void pqi_get_raid_bypass_status(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
1556 | struct pqi_scsi_dev *device) |
1557 | { | |
1558 | int rc; | |
1559 | u8 *buffer; | |
588a63fe | 1560 | u8 bypass_status; |
6c223761 KB |
1561 | |
1562 | buffer = kmalloc(64, GFP_KERNEL); | |
1563 | if (!buffer) | |
1564 | return; | |
1565 | ||
1566 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, | |
588a63fe | 1567 | VPD_PAGE | CISS_VPD_LV_BYPASS_STATUS, buffer, 64); |
6c223761 KB |
1568 | if (rc) |
1569 | goto out; | |
1570 | ||
694c5d5b KB |
1571 | #define RAID_BYPASS_STATUS 4 |
1572 | #define RAID_BYPASS_CONFIGURED 0x1 | |
1573 | #define RAID_BYPASS_ENABLED 0x2 | |
6c223761 | 1574 | |
588a63fe KB |
1575 | bypass_status = buffer[RAID_BYPASS_STATUS]; |
1576 | device->raid_bypass_configured = | |
1577 | (bypass_status & RAID_BYPASS_CONFIGURED) != 0; | |
1578 | if (device->raid_bypass_configured && | |
1579 | (bypass_status & RAID_BYPASS_ENABLED) && | |
f6cc2a77 | 1580 | pqi_get_raid_map(ctrl_info, device) == 0) { |
588a63fe | 1581 | device->raid_bypass_enabled = true; |
f6cc2a77 KB |
1582 | if (get_unaligned_le16(&device->raid_map->flags) & |
1583 | RAID_MAP_ENCRYPTION_ENABLED) | |
1584 | pqi_set_max_transfer_encrypted(ctrl_info, device); | |
1585 | } | |
6c223761 KB |
1586 | |
1587 | out: | |
1588 | kfree(buffer); | |
1589 | } | |
1590 | ||
1591 | /* | |
1592 | * Use vendor-specific VPD to determine online/offline status of a volume. | |
1593 | */ | |
1594 | ||
1595 | static void pqi_get_volume_status(struct pqi_ctrl_info *ctrl_info, | |
1596 | struct pqi_scsi_dev *device) | |
1597 | { | |
1598 | int rc; | |
1599 | size_t page_length; | |
1600 | u8 volume_status = CISS_LV_STATUS_UNAVAILABLE; | |
1601 | bool volume_offline = true; | |
1602 | u32 volume_flags; | |
1603 | struct ciss_vpd_logical_volume_status *vpd; | |
1604 | ||
1605 | vpd = kmalloc(sizeof(*vpd), GFP_KERNEL); | |
1606 | if (!vpd) | |
1607 | goto no_buffer; | |
1608 | ||
1609 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, | |
1610 | VPD_PAGE | CISS_VPD_LV_STATUS, vpd, sizeof(*vpd)); | |
1611 | if (rc) | |
1612 | goto out; | |
1613 | ||
7ff44499 DC |
1614 | if (vpd->page_code != CISS_VPD_LV_STATUS) |
1615 | goto out; | |
1616 | ||
6c223761 KB |
1617 | page_length = offsetof(struct ciss_vpd_logical_volume_status, |
1618 | volume_status) + vpd->page_length; | |
1619 | if (page_length < sizeof(*vpd)) | |
1620 | goto out; | |
1621 | ||
1622 | volume_status = vpd->volume_status; | |
1623 | volume_flags = get_unaligned_be32(&vpd->flags); | |
1624 | volume_offline = (volume_flags & CISS_LV_FLAGS_NO_HOST_IO) != 0; | |
1625 | ||
1626 | out: | |
1627 | kfree(vpd); | |
1628 | no_buffer: | |
1629 | device->volume_status = volume_status; | |
1630 | device->volume_offline = volume_offline; | |
1631 | } | |
1632 | ||
2a47834d | 1633 | #define PQI_DEVICE_NCQ_PRIO_SUPPORTED 0x01 |
ec504b23 | 1634 | #define PQI_DEVICE_PHY_MAP_SUPPORTED 0x10 |
2eddf98d | 1635 | #define PQI_DEVICE_ERASE_IN_PROGRESS 0x10 |
ec504b23 | 1636 | |
ce143793 KB |
1637 | static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, |
1638 | struct pqi_scsi_dev *device, | |
1639 | struct bmic_identify_physical_device *id_phys) | |
1640 | { | |
1641 | int rc; | |
26b390ab | 1642 | |
ce143793 KB |
1643 | memset(id_phys, 0, sizeof(*id_phys)); |
1644 | ||
1645 | rc = pqi_identify_physical_device(ctrl_info, device, | |
1646 | id_phys, sizeof(*id_phys)); | |
1647 | if (rc) { | |
1648 | device->queue_depth = PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH; | |
1649 | return rc; | |
1650 | } | |
1651 | ||
1652 | scsi_sanitize_inquiry_string(&id_phys->model[0], 8); | |
1653 | scsi_sanitize_inquiry_string(&id_phys->model[8], 16); | |
1654 | ||
1655 | memcpy(device->vendor, &id_phys->model[0], sizeof(device->vendor)); | |
1656 | memcpy(device->model, &id_phys->model[8], sizeof(device->model)); | |
1657 | ||
1658 | device->box_index = id_phys->box_index; | |
1659 | device->phys_box_on_bus = id_phys->phys_box_on_bus; | |
1660 | device->phy_connected_dev_type = id_phys->phy_connected_dev_type[0]; | |
1661 | device->queue_depth = | |
1662 | get_unaligned_le16(&id_phys->current_queue_depth_limit); | |
1663 | device->active_path_index = id_phys->active_path_number; | |
1664 | device->path_map = id_phys->redundant_path_present_map; | |
1665 | memcpy(&device->box, | |
1666 | &id_phys->alternate_paths_phys_box_on_port, | |
1667 | sizeof(device->box)); | |
1668 | memcpy(&device->phys_connector, | |
1669 | &id_phys->alternate_paths_phys_connector, | |
1670 | sizeof(device->phys_connector)); | |
1671 | device->bay = id_phys->phys_bay_in_box; | |
cc9befcb | 1672 | device->lun_count = id_phys->multi_lun_device_lun_count; |
ec504b23 MB |
1673 | if ((id_phys->even_more_flags & PQI_DEVICE_PHY_MAP_SUPPORTED) && |
1674 | id_phys->phy_count) | |
1675 | device->phy_id = | |
1676 | id_phys->phy_to_phy_map[device->active_path_index]; | |
1677 | else | |
1678 | device->phy_id = 0xFF; | |
1679 | ||
2a47834d GW |
1680 | device->ncq_prio_support = |
1681 | ((get_unaligned_le32(&id_phys->misc_drive_flags) >> 16) & | |
1682 | PQI_DEVICE_NCQ_PRIO_SUPPORTED); | |
1683 | ||
2eddf98d KB |
1684 | device->erase_in_progress = !!(get_unaligned_le16(&id_phys->extra_physical_drive_flags) & PQI_DEVICE_ERASE_IN_PROGRESS); |
1685 | ||
ce143793 KB |
1686 | return 0; |
1687 | } | |
1688 | ||
1689 | static int pqi_get_logical_device_info(struct pqi_ctrl_info *ctrl_info, | |
6c223761 KB |
1690 | struct pqi_scsi_dev *device) |
1691 | { | |
1692 | int rc; | |
1693 | u8 *buffer; | |
3d46a59a | 1694 | |
6c223761 KB |
1695 | buffer = kmalloc(64, GFP_KERNEL); |
1696 | if (!buffer) | |
1697 | return -ENOMEM; | |
1698 | ||
1699 | /* Send an inquiry to the device to see what it is. */ | |
ce143793 KB |
1700 | rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, 0, buffer, 64); |
1701 | if (rc) | |
1702 | goto out; | |
6c223761 KB |
1703 | |
1704 | scsi_sanitize_inquiry_string(&buffer[8], 8); | |
1705 | scsi_sanitize_inquiry_string(&buffer[16], 16); | |
1706 | ||
1707 | device->devtype = buffer[0] & 0x1f; | |
cbe0c7b1 KB |
1708 | memcpy(device->vendor, &buffer[8], sizeof(device->vendor)); |
1709 | memcpy(device->model, &buffer[16], sizeof(device->model)); | |
6c223761 | 1710 | |
ce143793 | 1711 | if (device->devtype == TYPE_DISK) { |
bd10cf0b KB |
1712 | if (device->is_external_raid_device) { |
1713 | device->raid_level = SA_RAID_UNKNOWN; | |
1714 | device->volume_status = CISS_LV_OK; | |
1715 | device->volume_offline = false; | |
1716 | } else { | |
1717 | pqi_get_raid_level(ctrl_info, device); | |
588a63fe | 1718 | pqi_get_raid_bypass_status(ctrl_info, device); |
bd10cf0b KB |
1719 | pqi_get_volume_status(ctrl_info, device); |
1720 | } | |
6c223761 KB |
1721 | } |
1722 | ||
1723 | out: | |
1724 | kfree(buffer); | |
1725 | ||
1726 | return rc; | |
1727 | } | |
1728 | ||
be76f906 DB |
1729 | /* |
1730 | * Prevent adding drive to OS for some corner cases such as a drive | |
2eddf98d | 1731 | * undergoing a sanitize (erase) operation. Some OSes will continue to poll |
be76f906 DB |
1732 | * the drive until the sanitize completes, which can take hours, |
1733 | * resulting in long bootup delays. Commands such as TUR, READ_CAP | |
1734 | * are allowed, but READ/WRITE cause check condition. So the OS | |
1735 | * cannot check/read the partition table. | |
1736 | * Note: devices that have completed sanitize must be re-enabled | |
1737 | * using the management utility. | |
1738 | */ | |
2eddf98d | 1739 | static inline bool pqi_keep_device_offline(struct pqi_scsi_dev *device) |
be76f906 | 1740 | { |
2eddf98d | 1741 | return device->erase_in_progress; |
be76f906 DB |
1742 | } |
1743 | ||
cc9befcb | 1744 | static int pqi_get_device_info_phys_logical(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
1745 | struct pqi_scsi_dev *device, |
1746 | struct bmic_identify_physical_device *id_phys) | |
1747 | { | |
1748 | int rc; | |
1749 | ||
ce143793 KB |
1750 | if (device->is_expander_smp_device) |
1751 | return 0; | |
6c223761 | 1752 | |
ce143793 KB |
1753 | if (pqi_is_logical_device(device)) |
1754 | rc = pqi_get_logical_device_info(ctrl_info, device); | |
1755 | else | |
1756 | rc = pqi_get_physical_device_info(ctrl_info, device, id_phys); | |
694c5d5b | 1757 | |
ce143793 | 1758 | return rc; |
6c223761 KB |
1759 | } |
1760 | ||
cc9befcb KM |
1761 | static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, |
1762 | struct pqi_scsi_dev *device, | |
1763 | struct bmic_identify_physical_device *id_phys) | |
1764 | { | |
1765 | int rc; | |
1766 | ||
1767 | rc = pqi_get_device_info_phys_logical(ctrl_info, device, id_phys); | |
1768 | ||
1769 | if (rc == 0 && device->lun_count == 0) | |
1770 | device->lun_count = 1; | |
1771 | ||
1772 | return rc; | |
1773 | } | |
1774 | ||
6c223761 KB |
1775 | static void pqi_show_volume_status(struct pqi_ctrl_info *ctrl_info, |
1776 | struct pqi_scsi_dev *device) | |
1777 | { | |
1778 | char *status; | |
1779 | static const char unknown_state_str[] = | |
1780 | "Volume is in an unknown state (%u)"; | |
1781 | char unknown_state_buffer[sizeof(unknown_state_str) + 10]; | |
1782 | ||
1783 | switch (device->volume_status) { | |
1784 | case CISS_LV_OK: | |
1785 | status = "Volume online"; | |
1786 | break; | |
1787 | case CISS_LV_FAILED: | |
1788 | status = "Volume failed"; | |
1789 | break; | |
1790 | case CISS_LV_NOT_CONFIGURED: | |
1791 | status = "Volume not configured"; | |
1792 | break; | |
1793 | case CISS_LV_DEGRADED: | |
1794 | status = "Volume degraded"; | |
1795 | break; | |
1796 | case CISS_LV_READY_FOR_RECOVERY: | |
1797 | status = "Volume ready for recovery operation"; | |
1798 | break; | |
1799 | case CISS_LV_UNDERGOING_RECOVERY: | |
1800 | status = "Volume undergoing recovery"; | |
1801 | break; | |
1802 | case CISS_LV_WRONG_PHYSICAL_DRIVE_REPLACED: | |
1803 | status = "Wrong physical drive was replaced"; | |
1804 | break; | |
1805 | case CISS_LV_PHYSICAL_DRIVE_CONNECTION_PROBLEM: | |
1806 | status = "A physical drive not properly connected"; | |
1807 | break; | |
1808 | case CISS_LV_HARDWARE_OVERHEATING: | |
1809 | status = "Hardware is overheating"; | |
1810 | break; | |
1811 | case CISS_LV_HARDWARE_HAS_OVERHEATED: | |
1812 | status = "Hardware has overheated"; | |
1813 | break; | |
1814 | case CISS_LV_UNDERGOING_EXPANSION: | |
1815 | status = "Volume undergoing expansion"; | |
1816 | break; | |
1817 | case CISS_LV_NOT_AVAILABLE: | |
1818 | status = "Volume waiting for transforming volume"; | |
1819 | break; | |
1820 | case CISS_LV_QUEUED_FOR_EXPANSION: | |
1821 | status = "Volume queued for expansion"; | |
1822 | break; | |
1823 | case CISS_LV_DISABLED_SCSI_ID_CONFLICT: | |
1824 | status = "Volume disabled due to SCSI ID conflict"; | |
1825 | break; | |
1826 | case CISS_LV_EJECTED: | |
1827 | status = "Volume has been ejected"; | |
1828 | break; | |
1829 | case CISS_LV_UNDERGOING_ERASE: | |
1830 | status = "Volume undergoing background erase"; | |
1831 | break; | |
1832 | case CISS_LV_READY_FOR_PREDICTIVE_SPARE_REBUILD: | |
1833 | status = "Volume ready for predictive spare rebuild"; | |
1834 | break; | |
1835 | case CISS_LV_UNDERGOING_RPI: | |
1836 | status = "Volume undergoing rapid parity initialization"; | |
1837 | break; | |
1838 | case CISS_LV_PENDING_RPI: | |
1839 | status = "Volume queued for rapid parity initialization"; | |
1840 | break; | |
1841 | case CISS_LV_ENCRYPTED_NO_KEY: | |
1842 | status = "Encrypted volume inaccessible - key not present"; | |
1843 | break; | |
1844 | case CISS_LV_UNDERGOING_ENCRYPTION: | |
1845 | status = "Volume undergoing encryption process"; | |
1846 | break; | |
1847 | case CISS_LV_UNDERGOING_ENCRYPTION_REKEYING: | |
1848 | status = "Volume undergoing encryption re-keying process"; | |
1849 | break; | |
1850 | case CISS_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER: | |
d87d5474 | 1851 | status = "Volume encrypted but encryption is disabled"; |
6c223761 KB |
1852 | break; |
1853 | case CISS_LV_PENDING_ENCRYPTION: | |
1854 | status = "Volume pending migration to encrypted state"; | |
1855 | break; | |
1856 | case CISS_LV_PENDING_ENCRYPTION_REKEYING: | |
1857 | status = "Volume pending encryption rekeying"; | |
1858 | break; | |
1859 | case CISS_LV_NOT_SUPPORTED: | |
1860 | status = "Volume not supported on this controller"; | |
1861 | break; | |
1862 | case CISS_LV_STATUS_UNAVAILABLE: | |
1863 | status = "Volume status not available"; | |
1864 | break; | |
1865 | default: | |
1866 | snprintf(unknown_state_buffer, sizeof(unknown_state_buffer), | |
1867 | unknown_state_str, device->volume_status); | |
1868 | status = unknown_state_buffer; | |
1869 | break; | |
1870 | } | |
1871 | ||
1872 | dev_info(&ctrl_info->pci_dev->dev, | |
1873 | "scsi %d:%d:%d:%d %s\n", | |
1874 | ctrl_info->scsi_host->host_no, | |
1875 | device->bus, device->target, device->lun, status); | |
1876 | } | |
1877 | ||
6c223761 KB |
1878 | static void pqi_rescan_worker(struct work_struct *work) |
1879 | { | |
1880 | struct pqi_ctrl_info *ctrl_info; | |
1881 | ||
1882 | ctrl_info = container_of(to_delayed_work(work), struct pqi_ctrl_info, | |
1883 | rescan_work); | |
1884 | ||
1885 | pqi_scan_scsi_devices(ctrl_info); | |
1886 | } | |
1887 | ||
1888 | static int pqi_add_device(struct pqi_ctrl_info *ctrl_info, | |
1889 | struct pqi_scsi_dev *device) | |
1890 | { | |
1891 | int rc; | |
1892 | ||
1893 | if (pqi_is_logical_device(device)) | |
1894 | rc = scsi_add_device(ctrl_info->scsi_host, device->bus, | |
1895 | device->target, device->lun); | |
1896 | else | |
1897 | rc = pqi_add_sas_device(ctrl_info->sas_host, device); | |
1898 | ||
1899 | return rc; | |
1900 | } | |
1901 | ||
18ff5f08 | 1902 | #define PQI_REMOVE_DEVICE_PENDING_IO_TIMEOUT_MSECS (20 * 1000) |
1e46731e | 1903 | |
583891c9 | 1904 | static inline void pqi_remove_device(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) |
6c223761 | 1905 | { |
1e46731e | 1906 | int rc; |
904f2bfd | 1907 | int lun; |
1e46731e | 1908 | |
cc9befcb | 1909 | for (lun = 0; lun < device->lun_count; lun++) { |
904f2bfd KM |
1910 | rc = pqi_device_wait_for_pending_io(ctrl_info, device, lun, |
1911 | PQI_REMOVE_DEVICE_PENDING_IO_TIMEOUT_MSECS); | |
1912 | if (rc) | |
1913 | dev_err(&ctrl_info->pci_dev->dev, | |
1914 | "scsi %d:%d:%d:%d removing device with %d outstanding command(s)\n", | |
1915 | ctrl_info->scsi_host->host_no, device->bus, | |
1916 | device->target, lun, | |
1917 | atomic_read(&device->scsi_cmds_outstanding[lun])); | |
1918 | } | |
1e46731e | 1919 | |
6c223761 KB |
1920 | if (pqi_is_logical_device(device)) |
1921 | scsi_remove_device(device->sdev); | |
1922 | else | |
1923 | pqi_remove_sas_device(device); | |
819225b0 DB |
1924 | |
1925 | pqi_device_remove_start(device); | |
6c223761 KB |
1926 | } |
1927 | ||
1928 | /* Assumes the SCSI device list lock is held. */ | |
1929 | ||
1930 | static struct pqi_scsi_dev *pqi_find_scsi_dev(struct pqi_ctrl_info *ctrl_info, | |
1931 | int bus, int target, int lun) | |
1932 | { | |
1933 | struct pqi_scsi_dev *device; | |
1934 | ||
4d15ad38 KB |
1935 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) |
1936 | if (device->bus == bus && device->target == target && device->lun == lun) | |
6c223761 KB |
1937 | return device; |
1938 | ||
1939 | return NULL; | |
1940 | } | |
1941 | ||
583891c9 | 1942 | static inline bool pqi_device_equal(struct pqi_scsi_dev *dev1, struct pqi_scsi_dev *dev2) |
6c223761 KB |
1943 | { |
1944 | if (dev1->is_physical_device != dev2->is_physical_device) | |
1945 | return false; | |
1946 | ||
1947 | if (dev1->is_physical_device) | |
28ca6d87 | 1948 | return memcmp(dev1->wwid, dev2->wwid, sizeof(dev1->wwid)) == 0; |
6c223761 | 1949 | |
583891c9 | 1950 | return memcmp(dev1->volume_id, dev2->volume_id, sizeof(dev1->volume_id)) == 0; |
6c223761 KB |
1951 | } |
1952 | ||
1953 | enum pqi_find_result { | |
1954 | DEVICE_NOT_FOUND, | |
1955 | DEVICE_CHANGED, | |
1956 | DEVICE_SAME, | |
1957 | }; | |
1958 | ||
1959 | static enum pqi_find_result pqi_scsi_find_entry(struct pqi_ctrl_info *ctrl_info, | |
4d15ad38 | 1960 | struct pqi_scsi_dev *device_to_find, struct pqi_scsi_dev **matching_device) |
6c223761 KB |
1961 | { |
1962 | struct pqi_scsi_dev *device; | |
1963 | ||
4d15ad38 KB |
1964 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { |
1965 | if (pqi_scsi3addr_equal(device_to_find->scsi3addr, device->scsi3addr)) { | |
6c223761 KB |
1966 | *matching_device = device; |
1967 | if (pqi_device_equal(device_to_find, device)) { | |
1968 | if (device_to_find->volume_offline) | |
1969 | return DEVICE_CHANGED; | |
1970 | return DEVICE_SAME; | |
1971 | } | |
1972 | return DEVICE_CHANGED; | |
1973 | } | |
1974 | } | |
1975 | ||
1976 | return DEVICE_NOT_FOUND; | |
1977 | } | |
1978 | ||
3d46a59a DB |
1979 | static inline const char *pqi_device_type(struct pqi_scsi_dev *device) |
1980 | { | |
1981 | if (device->is_expander_smp_device) | |
1982 | return "Enclosure SMP "; | |
1983 | ||
1984 | return scsi_device_type(device->devtype); | |
1985 | } | |
1986 | ||
6de783f6 KB |
1987 | #define PQI_DEV_INFO_BUFFER_LENGTH 128 |
1988 | ||
6c223761 KB |
1989 | static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, |
1990 | char *action, struct pqi_scsi_dev *device) | |
1991 | { | |
6de783f6 KB |
1992 | ssize_t count; |
1993 | char buffer[PQI_DEV_INFO_BUFFER_LENGTH]; | |
1994 | ||
a4256252 | 1995 | count = scnprintf(buffer, PQI_DEV_INFO_BUFFER_LENGTH, |
6de783f6 KB |
1996 | "%d:%d:", ctrl_info->scsi_host->host_no, device->bus); |
1997 | ||
1998 | if (device->target_lun_valid) | |
181aea89 | 1999 | count += scnprintf(buffer + count, |
6de783f6 KB |
2000 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2001 | "%d:%d", | |
2002 | device->target, | |
2003 | device->lun); | |
2004 | else | |
181aea89 | 2005 | count += scnprintf(buffer + count, |
6de783f6 KB |
2006 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2007 | "-:-"); | |
2008 | ||
2009 | if (pqi_is_logical_device(device)) | |
181aea89 | 2010 | count += scnprintf(buffer + count, |
6de783f6 KB |
2011 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2012 | " %08x%08x", | |
2013 | *((u32 *)&device->scsi3addr), | |
2014 | *((u32 *)&device->scsi3addr[4])); | |
2015 | else | |
181aea89 | 2016 | count += scnprintf(buffer + count, |
6de783f6 | 2017 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
28ca6d87 MM |
2018 | " %016llx%016llx", |
2019 | get_unaligned_be64(&device->wwid[0]), | |
2020 | get_unaligned_be64(&device->wwid[8])); | |
6de783f6 | 2021 | |
181aea89 | 2022 | count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, |
6de783f6 | 2023 | " %s %.8s %.16s ", |
3d46a59a | 2024 | pqi_device_type(device), |
6c223761 | 2025 | device->vendor, |
6de783f6 KB |
2026 | device->model); |
2027 | ||
2028 | if (pqi_is_logical_device(device)) { | |
2029 | if (device->devtype == TYPE_DISK) | |
181aea89 | 2030 | count += scnprintf(buffer + count, |
6de783f6 KB |
2031 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2032 | "SSDSmartPathCap%c En%c %-12s", | |
588a63fe KB |
2033 | device->raid_bypass_configured ? '+' : '-', |
2034 | device->raid_bypass_enabled ? '+' : '-', | |
6de783f6 KB |
2035 | pqi_raid_level_to_string(device->raid_level)); |
2036 | } else { | |
181aea89 | 2037 | count += scnprintf(buffer + count, |
6de783f6 KB |
2038 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2039 | "AIO%c", device->aio_enabled ? '+' : '-'); | |
2040 | if (device->devtype == TYPE_DISK || | |
2041 | device->devtype == TYPE_ZBC) | |
181aea89 | 2042 | count += scnprintf(buffer + count, |
6de783f6 KB |
2043 | PQI_DEV_INFO_BUFFER_LENGTH - count, |
2044 | " qd=%-6d", device->queue_depth); | |
2045 | } | |
2046 | ||
2047 | dev_info(&ctrl_info->pci_dev->dev, "%s %s\n", action, buffer); | |
6c223761 KB |
2048 | } |
2049 | ||
6ce3cfb3 KB |
2050 | static bool pqi_raid_maps_equal(struct raid_map *raid_map1, struct raid_map *raid_map2) |
2051 | { | |
2052 | u32 raid_map1_size; | |
2053 | u32 raid_map2_size; | |
2054 | ||
2055 | if (raid_map1 == NULL || raid_map2 == NULL) | |
2056 | return raid_map1 == raid_map2; | |
2057 | ||
2058 | raid_map1_size = get_unaligned_le32(&raid_map1->structure_size); | |
2059 | raid_map2_size = get_unaligned_le32(&raid_map2->structure_size); | |
2060 | ||
2061 | if (raid_map1_size != raid_map2_size) | |
2062 | return false; | |
2063 | ||
2064 | return memcmp(raid_map1, raid_map2, raid_map1_size) == 0; | |
2065 | } | |
2066 | ||
6c223761 KB |
2067 | /* Assumes the SCSI device list lock is held. */ |
2068 | ||
27655e9d MR |
2069 | static void pqi_scsi_update_device(struct pqi_ctrl_info *ctrl_info, |
2070 | struct pqi_scsi_dev *existing_device, struct pqi_scsi_dev *new_device) | |
6c223761 | 2071 | { |
6c223761 KB |
2072 | existing_device->device_type = new_device->device_type; |
2073 | existing_device->bus = new_device->bus; | |
2074 | if (new_device->target_lun_valid) { | |
2075 | existing_device->target = new_device->target; | |
2076 | existing_device->lun = new_device->lun; | |
2077 | existing_device->target_lun_valid = true; | |
2078 | } | |
2079 | ||
2080 | /* By definition, the scsi3addr and wwid fields are already the same. */ | |
2081 | ||
2082 | existing_device->is_physical_device = new_device->is_physical_device; | |
6ce3cfb3 KB |
2083 | memcpy(existing_device->vendor, new_device->vendor, sizeof(existing_device->vendor)); |
2084 | memcpy(existing_device->model, new_device->model, sizeof(existing_device->model)); | |
6c223761 | 2085 | existing_device->sas_address = new_device->sas_address; |
6c223761 | 2086 | existing_device->queue_depth = new_device->queue_depth; |
a9a68101 | 2087 | existing_device->device_offline = false; |
cc9befcb | 2088 | existing_device->lun_count = new_device->lun_count; |
6c223761 | 2089 | |
6ce3cfb3 KB |
2090 | if (pqi_is_logical_device(existing_device)) { |
2091 | existing_device->is_external_raid_device = new_device->is_external_raid_device; | |
2092 | ||
2093 | if (existing_device->devtype == TYPE_DISK) { | |
2094 | existing_device->raid_level = new_device->raid_level; | |
2095 | existing_device->volume_status = new_device->volume_status; | |
2096 | if (ctrl_info->logical_volume_rescan_needed) | |
2097 | existing_device->rescan = true; | |
2098 | memset(existing_device->next_bypass_group, 0, sizeof(existing_device->next_bypass_group)); | |
2099 | if (!pqi_raid_maps_equal(existing_device->raid_map, new_device->raid_map)) { | |
2100 | kfree(existing_device->raid_map); | |
2101 | existing_device->raid_map = new_device->raid_map; | |
2102 | /* To prevent this from being freed later. */ | |
2103 | new_device->raid_map = NULL; | |
2104 | } | |
2105 | existing_device->raid_bypass_configured = new_device->raid_bypass_configured; | |
2106 | existing_device->raid_bypass_enabled = new_device->raid_bypass_enabled; | |
2107 | } | |
2108 | } else { | |
2109 | existing_device->aio_enabled = new_device->aio_enabled; | |
2110 | existing_device->aio_handle = new_device->aio_handle; | |
2111 | existing_device->is_expander_smp_device = new_device->is_expander_smp_device; | |
2112 | existing_device->active_path_index = new_device->active_path_index; | |
2113 | existing_device->phy_id = new_device->phy_id; | |
2114 | existing_device->path_map = new_device->path_map; | |
2115 | existing_device->bay = new_device->bay; | |
2116 | existing_device->box_index = new_device->box_index; | |
2117 | existing_device->phys_box_on_bus = new_device->phys_box_on_bus; | |
2118 | existing_device->phy_connected_dev_type = new_device->phy_connected_dev_type; | |
2119 | memcpy(existing_device->box, new_device->box, sizeof(existing_device->box)); | |
2120 | memcpy(existing_device->phys_connector, new_device->phys_connector, sizeof(existing_device->phys_connector)); | |
6ce3cfb3 | 2121 | } |
6c223761 KB |
2122 | } |
2123 | ||
2124 | static inline void pqi_free_device(struct pqi_scsi_dev *device) | |
2125 | { | |
2126 | if (device) { | |
2127 | kfree(device->raid_map); | |
2128 | kfree(device); | |
2129 | } | |
2130 | } | |
2131 | ||
2132 | /* | |
2133 | * Called when exposing a new device to the OS fails in order to re-adjust | |
2134 | * our internal SCSI device list to match the SCSI ML's view. | |
2135 | */ | |
2136 | ||
2137 | static inline void pqi_fixup_botched_add(struct pqi_ctrl_info *ctrl_info, | |
2138 | struct pqi_scsi_dev *device) | |
2139 | { | |
2140 | unsigned long flags; | |
2141 | ||
2142 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
2143 | list_del(&device->scsi_device_list_entry); | |
2144 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
2145 | ||
2146 | /* Allow the device structure to be freed later. */ | |
2147 | device->keep_device = false; | |
2148 | } | |
2149 | ||
3d46a59a DB |
2150 | static inline bool pqi_is_device_added(struct pqi_scsi_dev *device) |
2151 | { | |
2152 | if (device->is_expander_smp_device) | |
2153 | return device->sas_port != NULL; | |
2154 | ||
2155 | return device->sdev != NULL; | |
2156 | } | |
2157 | ||
153c45dd KB |
2158 | static inline void pqi_init_device_tmf_work(struct pqi_scsi_dev *device) |
2159 | { | |
2160 | unsigned int lun; | |
2161 | struct pqi_tmf_work *tmf_work; | |
2162 | ||
2163 | for (lun = 0, tmf_work = device->tmf_work; lun < PQI_MAX_LUNS_PER_DEVICE; lun++, tmf_work++) | |
2164 | INIT_WORK(&tmf_work->work_struct, pqi_tmf_worker); | |
2165 | } | |
2166 | ||
6c223761 KB |
2167 | static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, |
2168 | struct pqi_scsi_dev *new_device_list[], unsigned int num_new_devices) | |
2169 | { | |
2170 | int rc; | |
2171 | unsigned int i; | |
2172 | unsigned long flags; | |
2173 | enum pqi_find_result find_result; | |
2174 | struct pqi_scsi_dev *device; | |
2175 | struct pqi_scsi_dev *next; | |
2176 | struct pqi_scsi_dev *matching_device; | |
8a994a04 KB |
2177 | LIST_HEAD(add_list); |
2178 | LIST_HEAD(delete_list); | |
6c223761 KB |
2179 | |
2180 | /* | |
2181 | * The idea here is to do as little work as possible while holding the | |
2182 | * spinlock. That's why we go to great pains to defer anything other | |
2183 | * than updating the internal device list until after we release the | |
2184 | * spinlock. | |
2185 | */ | |
2186 | ||
2187 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
2188 | ||
2189 | /* Assume that all devices in the existing list have gone away. */ | |
4d15ad38 | 2190 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) |
6c223761 KB |
2191 | device->device_gone = true; |
2192 | ||
2193 | for (i = 0; i < num_new_devices; i++) { | |
2194 | device = new_device_list[i]; | |
2195 | ||
2196 | find_result = pqi_scsi_find_entry(ctrl_info, device, | |
694c5d5b | 2197 | &matching_device); |
6c223761 KB |
2198 | |
2199 | switch (find_result) { | |
2200 | case DEVICE_SAME: | |
2201 | /* | |
2202 | * The newly found device is already in the existing | |
2203 | * device list. | |
2204 | */ | |
2205 | device->new_device = false; | |
2206 | matching_device->device_gone = false; | |
27655e9d | 2207 | pqi_scsi_update_device(ctrl_info, matching_device, device); |
6c223761 KB |
2208 | break; |
2209 | case DEVICE_NOT_FOUND: | |
2210 | /* | |
2211 | * The newly found device is NOT in the existing device | |
2212 | * list. | |
2213 | */ | |
2214 | device->new_device = true; | |
2215 | break; | |
2216 | case DEVICE_CHANGED: | |
2217 | /* | |
2218 | * The original device has gone away and we need to add | |
2219 | * the new device. | |
2220 | */ | |
2221 | device->new_device = true; | |
2222 | break; | |
6c223761 KB |
2223 | } |
2224 | } | |
2225 | ||
2226 | /* Process all devices that have gone away. */ | |
2227 | list_for_each_entry_safe(device, next, &ctrl_info->scsi_device_list, | |
2228 | scsi_device_list_entry) { | |
2229 | if (device->device_gone) { | |
819225b0 | 2230 | list_del(&device->scsi_device_list_entry); |
6c223761 KB |
2231 | list_add_tail(&device->delete_list_entry, &delete_list); |
2232 | } | |
2233 | } | |
2234 | ||
2235 | /* Process all new devices. */ | |
2236 | for (i = 0; i < num_new_devices; i++) { | |
2237 | device = new_device_list[i]; | |
2238 | if (!device->new_device) | |
2239 | continue; | |
2240 | if (device->volume_offline) | |
2241 | continue; | |
2242 | list_add_tail(&device->scsi_device_list_entry, | |
2243 | &ctrl_info->scsi_device_list); | |
2244 | list_add_tail(&device->add_list_entry, &add_list); | |
2245 | /* To prevent this device structure from being freed later. */ | |
2246 | device->keep_device = true; | |
153c45dd | 2247 | pqi_init_device_tmf_work(device); |
6c223761 KB |
2248 | } |
2249 | ||
6c223761 KB |
2250 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
2251 | ||
2790cd4d KB |
2252 | /* |
2253 | * If OFA is in progress and there are devices that need to be deleted, | |
2254 | * allow any pending reset operations to continue and unblock any SCSI | |
2255 | * requests before removal. | |
2256 | */ | |
2257 | if (pqi_ofa_in_progress(ctrl_info)) { | |
2258 | list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) | |
2259 | if (pqi_is_device_added(device)) | |
2260 | pqi_device_remove_start(device); | |
2261 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
2262 | pqi_scsi_unblock_requests(ctrl_info); | |
2263 | } | |
4fd22c13 | 2264 | |
6c223761 | 2265 | /* Remove all devices that have gone away. */ |
4d15ad38 | 2266 | list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) { |
6c223761 KB |
2267 | if (device->volume_offline) { |
2268 | pqi_dev_info(ctrl_info, "offline", device); | |
2269 | pqi_show_volume_status(ctrl_info, device); | |
4d15ad38 | 2270 | } else { |
819225b0 | 2271 | pqi_dev_info(ctrl_info, "removed", device); |
4d15ad38 | 2272 | } |
819225b0 DB |
2273 | if (pqi_is_device_added(device)) |
2274 | pqi_remove_device(ctrl_info, device); | |
2275 | list_del(&device->delete_list_entry); | |
2276 | pqi_free_device(device); | |
6c223761 KB |
2277 | } |
2278 | ||
2279 | /* | |
27655e9d MR |
2280 | * Notify the SML of any existing device changes such as; |
2281 | * queue depth, device size. | |
6c223761 | 2282 | */ |
583891c9 KB |
2283 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { |
2284 | if (device->sdev && device->queue_depth != device->advertised_queue_depth) { | |
2285 | device->advertised_queue_depth = device->queue_depth; | |
2286 | scsi_change_queue_depth(device->sdev, device->advertised_queue_depth); | |
244ca45e MR |
2287 | if (device->rescan) { |
2288 | scsi_rescan_device(&device->sdev->sdev_gendev); | |
2289 | device->rescan = false; | |
2290 | } | |
6c223761 KB |
2291 | } |
2292 | } | |
2293 | ||
2294 | /* Expose any new devices. */ | |
2295 | list_for_each_entry_safe(device, next, &add_list, add_list_entry) { | |
3d46a59a | 2296 | if (!pqi_is_device_added(device)) { |
6c223761 | 2297 | rc = pqi_add_device(ctrl_info, device); |
ce143793 KB |
2298 | if (rc == 0) { |
2299 | pqi_dev_info(ctrl_info, "added", device); | |
2300 | } else { | |
6c223761 KB |
2301 | dev_warn(&ctrl_info->pci_dev->dev, |
2302 | "scsi %d:%d:%d:%d addition failed, device not added\n", | |
2303 | ctrl_info->scsi_host->host_no, | |
2304 | device->bus, device->target, | |
2305 | device->lun); | |
2306 | pqi_fixup_botched_add(ctrl_info, device); | |
6c223761 KB |
2307 | } |
2308 | } | |
6c223761 | 2309 | } |
27655e9d MR |
2310 | |
2311 | ctrl_info->logical_volume_rescan_needed = false; | |
2312 | ||
6c223761 KB |
2313 | } |
2314 | ||
ce143793 | 2315 | static inline bool pqi_is_supported_device(struct pqi_scsi_dev *device) |
6c223761 | 2316 | { |
ce143793 KB |
2317 | /* |
2318 | * Only support the HBA controller itself as a RAID | |
2319 | * controller. If it's a RAID controller other than | |
2320 | * the HBA itself (an external RAID controller, for | |
2321 | * example), we don't support it. | |
2322 | */ | |
2323 | if (device->device_type == SA_DEVICE_TYPE_CONTROLLER && | |
2324 | !pqi_is_hba_lunid(device->scsi3addr)) | |
583891c9 | 2325 | return false; |
6c223761 | 2326 | |
ce143793 | 2327 | return true; |
6c223761 KB |
2328 | } |
2329 | ||
94086f5b | 2330 | static inline bool pqi_skip_device(u8 *scsi3addr) |
6c223761 | 2331 | { |
94086f5b KB |
2332 | /* Ignore all masked devices. */ |
2333 | if (MASKED_DEVICE(scsi3addr)) | |
6c223761 | 2334 | return true; |
6c223761 KB |
2335 | |
2336 | return false; | |
2337 | } | |
2338 | ||
522bc026 DC |
2339 | static inline void pqi_mask_device(u8 *scsi3addr) |
2340 | { | |
2341 | scsi3addr[3] |= 0xc0; | |
2342 | } | |
2343 | ||
94a68c81 MB |
2344 | static inline bool pqi_is_multipath_device(struct pqi_scsi_dev *device) |
2345 | { | |
2346 | if (pqi_is_logical_device(device)) | |
2347 | return false; | |
2348 | ||
2349 | return (device->path_map & (device->path_map - 1)) != 0; | |
2350 | } | |
2351 | ||
cd128244 DC |
2352 | static inline bool pqi_expose_device(struct pqi_scsi_dev *device) |
2353 | { | |
583891c9 | 2354 | return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); |
cd128244 DC |
2355 | } |
2356 | ||
6c223761 KB |
2357 | static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) |
2358 | { | |
2359 | int i; | |
2360 | int rc; | |
8a994a04 | 2361 | LIST_HEAD(new_device_list_head); |
28ca6d87 MM |
2362 | struct report_phys_lun_16byte_wwid_list *physdev_list = NULL; |
2363 | struct report_log_lun_list *logdev_list = NULL; | |
2364 | struct report_phys_lun_16byte_wwid *phys_lun; | |
2365 | struct report_log_lun *log_lun; | |
6c223761 KB |
2366 | struct bmic_identify_physical_device *id_phys = NULL; |
2367 | u32 num_physicals; | |
2368 | u32 num_logicals; | |
2369 | struct pqi_scsi_dev **new_device_list = NULL; | |
2370 | struct pqi_scsi_dev *device; | |
2371 | struct pqi_scsi_dev *next; | |
2372 | unsigned int num_new_devices; | |
2373 | unsigned int num_valid_devices; | |
2374 | bool is_physical_device; | |
2375 | u8 *scsi3addr; | |
5e6a9760 GW |
2376 | unsigned int physical_index; |
2377 | unsigned int logical_index; | |
6c223761 | 2378 | static char *out_of_memory_msg = |
6de783f6 | 2379 | "failed to allocate memory, device discovery stopped"; |
6c223761 | 2380 | |
6c223761 KB |
2381 | rc = pqi_get_device_lists(ctrl_info, &physdev_list, &logdev_list); |
2382 | if (rc) | |
2383 | goto out; | |
2384 | ||
2385 | if (physdev_list) | |
2386 | num_physicals = | |
2387 | get_unaligned_be32(&physdev_list->header.list_length) | |
2388 | / sizeof(physdev_list->lun_entries[0]); | |
2389 | else | |
2390 | num_physicals = 0; | |
2391 | ||
2392 | if (logdev_list) | |
2393 | num_logicals = | |
2394 | get_unaligned_be32(&logdev_list->header.list_length) | |
2395 | / sizeof(logdev_list->lun_entries[0]); | |
2396 | else | |
2397 | num_logicals = 0; | |
2398 | ||
2399 | if (num_physicals) { | |
2400 | /* | |
2401 | * We need this buffer for calls to pqi_get_physical_disk_info() | |
2402 | * below. We allocate it here instead of inside | |
2403 | * pqi_get_physical_disk_info() because it's a fairly large | |
2404 | * buffer. | |
2405 | */ | |
2406 | id_phys = kmalloc(sizeof(*id_phys), GFP_KERNEL); | |
2407 | if (!id_phys) { | |
2408 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2409 | out_of_memory_msg); | |
2410 | rc = -ENOMEM; | |
2411 | goto out; | |
2412 | } | |
522bc026 | 2413 | |
694c5d5b | 2414 | if (pqi_hide_vsep) { |
522bc026 | 2415 | for (i = num_physicals - 1; i >= 0; i--) { |
28ca6d87 MM |
2416 | phys_lun = &physdev_list->lun_entries[i]; |
2417 | if (CISS_GET_DRIVE_NUMBER(phys_lun->lunid) == PQI_VSEP_CISS_BTL) { | |
2418 | pqi_mask_device(phys_lun->lunid); | |
522bc026 DC |
2419 | break; |
2420 | } | |
2421 | } | |
2422 | } | |
6c223761 KB |
2423 | } |
2424 | ||
f6cc2a77 KB |
2425 | if (num_logicals && |
2426 | (logdev_list->header.flags & CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX)) | |
2427 | ctrl_info->lv_drive_type_mix_valid = true; | |
2428 | ||
6c223761 KB |
2429 | num_new_devices = num_physicals + num_logicals; |
2430 | ||
6da2ec56 KC |
2431 | new_device_list = kmalloc_array(num_new_devices, |
2432 | sizeof(*new_device_list), | |
2433 | GFP_KERNEL); | |
6c223761 KB |
2434 | if (!new_device_list) { |
2435 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", out_of_memory_msg); | |
2436 | rc = -ENOMEM; | |
2437 | goto out; | |
2438 | } | |
2439 | ||
2440 | for (i = 0; i < num_new_devices; i++) { | |
2441 | device = kzalloc(sizeof(*device), GFP_KERNEL); | |
2442 | if (!device) { | |
2443 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2444 | out_of_memory_msg); | |
2445 | rc = -ENOMEM; | |
2446 | goto out; | |
2447 | } | |
2448 | list_add_tail(&device->new_device_list_entry, | |
2449 | &new_device_list_head); | |
2450 | } | |
2451 | ||
2452 | device = NULL; | |
2453 | num_valid_devices = 0; | |
5e6a9760 GW |
2454 | physical_index = 0; |
2455 | logical_index = 0; | |
6c223761 KB |
2456 | |
2457 | for (i = 0; i < num_new_devices; i++) { | |
2458 | ||
5e6a9760 GW |
2459 | if ((!pqi_expose_ld_first && i < num_physicals) || |
2460 | (pqi_expose_ld_first && i >= num_logicals)) { | |
6c223761 | 2461 | is_physical_device = true; |
28ca6d87 MM |
2462 | phys_lun = &physdev_list->lun_entries[physical_index++]; |
2463 | log_lun = NULL; | |
2464 | scsi3addr = phys_lun->lunid; | |
6c223761 KB |
2465 | } else { |
2466 | is_physical_device = false; | |
28ca6d87 MM |
2467 | phys_lun = NULL; |
2468 | log_lun = &logdev_list->lun_entries[logical_index++]; | |
2469 | scsi3addr = log_lun->lunid; | |
6c223761 KB |
2470 | } |
2471 | ||
94086f5b | 2472 | if (is_physical_device && pqi_skip_device(scsi3addr)) |
6c223761 KB |
2473 | continue; |
2474 | ||
2475 | if (device) | |
2476 | device = list_next_entry(device, new_device_list_entry); | |
2477 | else | |
2478 | device = list_first_entry(&new_device_list_head, | |
2479 | struct pqi_scsi_dev, new_device_list_entry); | |
2480 | ||
2481 | memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr)); | |
2482 | device->is_physical_device = is_physical_device; | |
3d46a59a | 2483 | if (is_physical_device) { |
28ca6d87 | 2484 | device->device_type = phys_lun->device_type; |
ce143793 | 2485 | if (device->device_type == SA_DEVICE_TYPE_EXPANDER_SMP) |
3d46a59a DB |
2486 | device->is_expander_smp_device = true; |
2487 | } else { | |
bd10cf0b KB |
2488 | device->is_external_raid_device = |
2489 | pqi_is_external_raid_addr(scsi3addr); | |
3d46a59a | 2490 | } |
6c223761 | 2491 | |
ce143793 KB |
2492 | if (!pqi_is_supported_device(device)) |
2493 | continue; | |
2494 | ||
6c223761 | 2495 | /* Gather information about the device. */ |
ce143793 | 2496 | rc = pqi_get_device_info(ctrl_info, device, id_phys); |
6c223761 KB |
2497 | if (rc == -ENOMEM) { |
2498 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2499 | out_of_memory_msg); | |
2500 | goto out; | |
2501 | } | |
2502 | if (rc) { | |
6de783f6 KB |
2503 | if (device->is_physical_device) |
2504 | dev_warn(&ctrl_info->pci_dev->dev, | |
28ca6d87 MM |
2505 | "obtaining device info failed, skipping physical device %016llx%016llx\n", |
2506 | get_unaligned_be64(&phys_lun->wwid[0]), | |
2507 | get_unaligned_be64(&phys_lun->wwid[8])); | |
6de783f6 KB |
2508 | else |
2509 | dev_warn(&ctrl_info->pci_dev->dev, | |
2510 | "obtaining device info failed, skipping logical device %08x%08x\n", | |
2511 | *((u32 *)&device->scsi3addr), | |
2512 | *((u32 *)&device->scsi3addr[4])); | |
6c223761 KB |
2513 | rc = 0; |
2514 | continue; | |
2515 | } | |
2516 | ||
2eddf98d KB |
2517 | /* Do not present disks that the OS cannot fully probe. */ |
2518 | if (pqi_keep_device_offline(device)) | |
2519 | continue; | |
2520 | ||
6c223761 KB |
2521 | pqi_assign_bus_target_lun(device); |
2522 | ||
6c223761 | 2523 | if (device->is_physical_device) { |
00598b05 | 2524 | memcpy(device->wwid, phys_lun->wwid, sizeof(device->wwid)); |
28ca6d87 | 2525 | if ((phys_lun->device_flags & |
694c5d5b | 2526 | CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED) && |
28ca6d87 | 2527 | phys_lun->aio_handle) { |
583891c9 KB |
2528 | device->aio_enabled = true; |
2529 | device->aio_handle = | |
28ca6d87 | 2530 | phys_lun->aio_handle; |
3d46a59a | 2531 | } |
6c223761 | 2532 | } else { |
28ca6d87 | 2533 | memcpy(device->volume_id, log_lun->volume_id, |
6c223761 KB |
2534 | sizeof(device->volume_id)); |
2535 | } | |
2536 | ||
291c2e00 | 2537 | device->sas_address = get_unaligned_be64(&device->wwid[0]); |
6c223761 KB |
2538 | |
2539 | new_device_list[num_valid_devices++] = device; | |
2540 | } | |
2541 | ||
2542 | pqi_update_device_list(ctrl_info, new_device_list, num_valid_devices); | |
2543 | ||
2544 | out: | |
2545 | list_for_each_entry_safe(device, next, &new_device_list_head, | |
2546 | new_device_list_entry) { | |
2547 | if (device->keep_device) | |
2548 | continue; | |
2549 | list_del(&device->new_device_list_entry); | |
2550 | pqi_free_device(device); | |
2551 | } | |
2552 | ||
2553 | kfree(new_device_list); | |
2554 | kfree(physdev_list); | |
2555 | kfree(logdev_list); | |
2556 | kfree(id_phys); | |
2557 | ||
2558 | return rc; | |
2559 | } | |
2560 | ||
6c223761 KB |
2561 | static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) |
2562 | { | |
66f1c2b4 KB |
2563 | int rc; |
2564 | int mutex_acquired; | |
6c223761 KB |
2565 | |
2566 | if (pqi_ctrl_offline(ctrl_info)) | |
2567 | return -ENXIO; | |
2568 | ||
66f1c2b4 KB |
2569 | mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); |
2570 | ||
2571 | if (!mutex_acquired) { | |
2572 | if (pqi_ctrl_scan_blocked(ctrl_info)) | |
2573 | return -EBUSY; | |
5f310425 | 2574 | pqi_schedule_rescan_worker_delayed(ctrl_info); |
66f1c2b4 | 2575 | return -EINPROGRESS; |
530dd8a7 | 2576 | } |
6c223761 | 2577 | |
66f1c2b4 KB |
2578 | rc = pqi_update_scsi_devices(ctrl_info); |
2579 | if (rc && !pqi_ctrl_scan_blocked(ctrl_info)) | |
2580 | pqi_schedule_rescan_worker_delayed(ctrl_info); | |
2581 | ||
2582 | mutex_unlock(&ctrl_info->scan_mutex); | |
2583 | ||
6c223761 KB |
2584 | return rc; |
2585 | } | |
2586 | ||
2587 | static void pqi_scan_start(struct Scsi_Host *shost) | |
2588 | { | |
4fd22c13 MR |
2589 | struct pqi_ctrl_info *ctrl_info; |
2590 | ||
2591 | ctrl_info = shost_to_hba(shost); | |
4fd22c13 MR |
2592 | |
2593 | pqi_scan_scsi_devices(ctrl_info); | |
6c223761 KB |
2594 | } |
2595 | ||
2596 | /* Returns TRUE if scan is finished. */ | |
2597 | ||
2598 | static int pqi_scan_finished(struct Scsi_Host *shost, | |
2599 | unsigned long elapsed_time) | |
2600 | { | |
2601 | struct pqi_ctrl_info *ctrl_info; | |
2602 | ||
2603 | ctrl_info = shost_priv(shost); | |
2604 | ||
2605 | return !mutex_is_locked(&ctrl_info->scan_mutex); | |
2606 | } | |
2607 | ||
583891c9 KB |
2608 | static inline void pqi_set_encryption_info(struct pqi_encryption_info *encryption_info, |
2609 | struct raid_map *raid_map, u64 first_block) | |
6c223761 KB |
2610 | { |
2611 | u32 volume_blk_size; | |
2612 | ||
2613 | /* | |
2614 | * Set the encryption tweak values based on logical block address. | |
2615 | * If the block size is 512, the tweak value is equal to the LBA. | |
2616 | * For other block sizes, tweak value is (LBA * block size) / 512. | |
2617 | */ | |
2618 | volume_blk_size = get_unaligned_le32(&raid_map->volume_blk_size); | |
2619 | if (volume_blk_size != 512) | |
2620 | first_block = (first_block * volume_blk_size) / 512; | |
2621 | ||
2622 | encryption_info->data_encryption_key_index = | |
2623 | get_unaligned_le16(&raid_map->data_encryption_key_index); | |
2624 | encryption_info->encrypt_tweak_lower = lower_32_bits(first_block); | |
2625 | encryption_info->encrypt_tweak_upper = upper_32_bits(first_block); | |
2626 | } | |
2627 | ||
2628 | /* | |
588a63fe | 2629 | * Attempt to perform RAID bypass mapping for a logical volume I/O. |
6c223761 KB |
2630 | */ |
2631 | ||
6702d2c4 DB |
2632 | static bool pqi_aio_raid_level_supported(struct pqi_ctrl_info *ctrl_info, |
2633 | struct pqi_scsi_dev_raid_map_data *rmd) | |
281a817f DB |
2634 | { |
2635 | bool is_supported = true; | |
2636 | ||
2637 | switch (rmd->raid_level) { | |
2638 | case SA_RAID_0: | |
2639 | break; | |
2640 | case SA_RAID_1: | |
f6cc2a77 KB |
2641 | if (rmd->is_write && (!ctrl_info->enable_r1_writes || |
2642 | rmd->data_length > ctrl_info->max_write_raid_1_10_2drive)) | |
2643 | is_supported = false; | |
2644 | break; | |
7a012c23 | 2645 | case SA_RAID_TRIPLE: |
f6cc2a77 KB |
2646 | if (rmd->is_write && (!ctrl_info->enable_r1_writes || |
2647 | rmd->data_length > ctrl_info->max_write_raid_1_10_3drive)) | |
281a817f DB |
2648 | is_supported = false; |
2649 | break; | |
2650 | case SA_RAID_5: | |
f6cc2a77 KB |
2651 | if (rmd->is_write && (!ctrl_info->enable_r5_writes || |
2652 | rmd->data_length > ctrl_info->max_write_raid_5_6)) | |
6702d2c4 DB |
2653 | is_supported = false; |
2654 | break; | |
281a817f | 2655 | case SA_RAID_6: |
f6cc2a77 KB |
2656 | if (rmd->is_write && (!ctrl_info->enable_r6_writes || |
2657 | rmd->data_length > ctrl_info->max_write_raid_5_6)) | |
281a817f DB |
2658 | is_supported = false; |
2659 | break; | |
281a817f DB |
2660 | default: |
2661 | is_supported = false; | |
f6cc2a77 | 2662 | break; |
281a817f DB |
2663 | } |
2664 | ||
2665 | return is_supported; | |
2666 | } | |
2667 | ||
6c223761 KB |
2668 | #define PQI_RAID_BYPASS_INELIGIBLE 1 |
2669 | ||
281a817f | 2670 | static int pqi_get_aio_lba_and_block_count(struct scsi_cmnd *scmd, |
583891c9 | 2671 | struct pqi_scsi_dev_raid_map_data *rmd) |
6c223761 | 2672 | { |
6c223761 KB |
2673 | /* Check for valid opcode, get LBA and block count. */ |
2674 | switch (scmd->cmnd[0]) { | |
2675 | case WRITE_6: | |
281a817f | 2676 | rmd->is_write = true; |
df561f66 | 2677 | fallthrough; |
6c223761 | 2678 | case READ_6: |
281a817f | 2679 | rmd->first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) | |
e018ef57 | 2680 | (scmd->cmnd[2] << 8) | scmd->cmnd[3]); |
281a817f DB |
2681 | rmd->block_cnt = (u32)scmd->cmnd[4]; |
2682 | if (rmd->block_cnt == 0) | |
2683 | rmd->block_cnt = 256; | |
6c223761 KB |
2684 | break; |
2685 | case WRITE_10: | |
281a817f | 2686 | rmd->is_write = true; |
df561f66 | 2687 | fallthrough; |
6c223761 | 2688 | case READ_10: |
281a817f DB |
2689 | rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); |
2690 | rmd->block_cnt = (u32)get_unaligned_be16(&scmd->cmnd[7]); | |
6c223761 KB |
2691 | break; |
2692 | case WRITE_12: | |
281a817f | 2693 | rmd->is_write = true; |
df561f66 | 2694 | fallthrough; |
6c223761 | 2695 | case READ_12: |
281a817f DB |
2696 | rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); |
2697 | rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[6]); | |
6c223761 KB |
2698 | break; |
2699 | case WRITE_16: | |
281a817f | 2700 | rmd->is_write = true; |
df561f66 | 2701 | fallthrough; |
6c223761 | 2702 | case READ_16: |
281a817f DB |
2703 | rmd->first_block = get_unaligned_be64(&scmd->cmnd[2]); |
2704 | rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[10]); | |
6c223761 KB |
2705 | break; |
2706 | default: | |
2707 | /* Process via normal I/O path. */ | |
2708 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2709 | } | |
2710 | ||
281a817f | 2711 | put_unaligned_le32(scsi_bufflen(scmd), &rmd->data_length); |
6c223761 | 2712 | |
281a817f DB |
2713 | return 0; |
2714 | } | |
6c223761 | 2715 | |
281a817f | 2716 | static int pci_get_aio_common_raid_map_values(struct pqi_ctrl_info *ctrl_info, |
583891c9 | 2717 | struct pqi_scsi_dev_raid_map_data *rmd, struct raid_map *raid_map) |
281a817f DB |
2718 | { |
2719 | #if BITS_PER_LONG == 32 | |
2720 | u64 tmpdiv; | |
2721 | #endif | |
2722 | ||
2723 | rmd->last_block = rmd->first_block + rmd->block_cnt - 1; | |
6c223761 KB |
2724 | |
2725 | /* Check for invalid block or wraparound. */ | |
281a817f DB |
2726 | if (rmd->last_block >= |
2727 | get_unaligned_le64(&raid_map->volume_blk_cnt) || | |
2728 | rmd->last_block < rmd->first_block) | |
6c223761 KB |
2729 | return PQI_RAID_BYPASS_INELIGIBLE; |
2730 | ||
281a817f | 2731 | rmd->data_disks_per_row = |
583891c9 | 2732 | get_unaligned_le16(&raid_map->data_disks_per_row); |
281a817f DB |
2733 | rmd->strip_size = get_unaligned_le16(&raid_map->strip_size); |
2734 | rmd->layout_map_count = get_unaligned_le16(&raid_map->layout_map_count); | |
6c223761 KB |
2735 | |
2736 | /* Calculate stripe information for the request. */ | |
281a817f | 2737 | rmd->blocks_per_row = rmd->data_disks_per_row * rmd->strip_size; |
667298ce DB |
2738 | if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ |
2739 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2740 | #if BITS_PER_LONG == 32 |
281a817f DB |
2741 | tmpdiv = rmd->first_block; |
2742 | do_div(tmpdiv, rmd->blocks_per_row); | |
2743 | rmd->first_row = tmpdiv; | |
2744 | tmpdiv = rmd->last_block; | |
2745 | do_div(tmpdiv, rmd->blocks_per_row); | |
2746 | rmd->last_row = tmpdiv; | |
2747 | rmd->first_row_offset = (u32)(rmd->first_block - (rmd->first_row * rmd->blocks_per_row)); | |
2748 | rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * rmd->blocks_per_row)); | |
2749 | tmpdiv = rmd->first_row_offset; | |
2750 | do_div(tmpdiv, rmd->strip_size); | |
2751 | rmd->first_column = tmpdiv; | |
2752 | tmpdiv = rmd->last_row_offset; | |
2753 | do_div(tmpdiv, rmd->strip_size); | |
2754 | rmd->last_column = tmpdiv; | |
6c223761 | 2755 | #else |
281a817f DB |
2756 | rmd->first_row = rmd->first_block / rmd->blocks_per_row; |
2757 | rmd->last_row = rmd->last_block / rmd->blocks_per_row; | |
2758 | rmd->first_row_offset = (u32)(rmd->first_block - | |
583891c9 | 2759 | (rmd->first_row * rmd->blocks_per_row)); |
281a817f | 2760 | rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * |
583891c9 | 2761 | rmd->blocks_per_row)); |
281a817f DB |
2762 | rmd->first_column = rmd->first_row_offset / rmd->strip_size; |
2763 | rmd->last_column = rmd->last_row_offset / rmd->strip_size; | |
6c223761 KB |
2764 | #endif |
2765 | ||
2766 | /* If this isn't a single row/column then give to the controller. */ | |
281a817f | 2767 | if (rmd->first_row != rmd->last_row || |
583891c9 | 2768 | rmd->first_column != rmd->last_column) |
6c223761 KB |
2769 | return PQI_RAID_BYPASS_INELIGIBLE; |
2770 | ||
2771 | /* Proceeding with driver mapping. */ | |
281a817f | 2772 | rmd->total_disks_per_row = rmd->data_disks_per_row + |
6c223761 | 2773 | get_unaligned_le16(&raid_map->metadata_disks_per_row); |
281a817f DB |
2774 | rmd->map_row = ((u32)(rmd->first_row >> |
2775 | raid_map->parity_rotation_shift)) % | |
6c223761 | 2776 | get_unaligned_le16(&raid_map->row_cnt); |
281a817f | 2777 | rmd->map_index = (rmd->map_row * rmd->total_disks_per_row) + |
583891c9 | 2778 | rmd->first_column; |
6c223761 | 2779 | |
281a817f DB |
2780 | return 0; |
2781 | } | |
6c223761 | 2782 | |
281a817f | 2783 | static int pqi_calc_aio_r5_or_r6(struct pqi_scsi_dev_raid_map_data *rmd, |
583891c9 | 2784 | struct raid_map *raid_map) |
281a817f | 2785 | { |
6c223761 | 2786 | #if BITS_PER_LONG == 32 |
281a817f | 2787 | u64 tmpdiv; |
6c223761 | 2788 | #endif |
6c223761 | 2789 | |
667298ce DB |
2790 | if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ |
2791 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2792 | ||
281a817f | 2793 | /* RAID 50/60 */ |
583891c9 | 2794 | /* Verify first and last block are in same RAID group. */ |
281a817f | 2795 | rmd->stripesize = rmd->blocks_per_row * rmd->layout_map_count; |
6c223761 | 2796 | #if BITS_PER_LONG == 32 |
281a817f DB |
2797 | tmpdiv = rmd->first_block; |
2798 | rmd->first_group = do_div(tmpdiv, rmd->stripesize); | |
2799 | tmpdiv = rmd->first_group; | |
2800 | do_div(tmpdiv, rmd->blocks_per_row); | |
2801 | rmd->first_group = tmpdiv; | |
2802 | tmpdiv = rmd->last_block; | |
2803 | rmd->last_group = do_div(tmpdiv, rmd->stripesize); | |
2804 | tmpdiv = rmd->last_group; | |
2805 | do_div(tmpdiv, rmd->blocks_per_row); | |
2806 | rmd->last_group = tmpdiv; | |
6c223761 | 2807 | #else |
281a817f DB |
2808 | rmd->first_group = (rmd->first_block % rmd->stripesize) / rmd->blocks_per_row; |
2809 | rmd->last_group = (rmd->last_block % rmd->stripesize) / rmd->blocks_per_row; | |
6c223761 | 2810 | #endif |
281a817f DB |
2811 | if (rmd->first_group != rmd->last_group) |
2812 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2813 | |
583891c9 | 2814 | /* Verify request is in a single row of RAID 5/6. */ |
6c223761 | 2815 | #if BITS_PER_LONG == 32 |
281a817f DB |
2816 | tmpdiv = rmd->first_block; |
2817 | do_div(tmpdiv, rmd->stripesize); | |
2818 | rmd->first_row = tmpdiv; | |
2819 | rmd->r5or6_first_row = tmpdiv; | |
2820 | tmpdiv = rmd->last_block; | |
2821 | do_div(tmpdiv, rmd->stripesize); | |
2822 | rmd->r5or6_last_row = tmpdiv; | |
6c223761 | 2823 | #else |
281a817f DB |
2824 | rmd->first_row = rmd->r5or6_first_row = |
2825 | rmd->first_block / rmd->stripesize; | |
2826 | rmd->r5or6_last_row = rmd->last_block / rmd->stripesize; | |
6c223761 | 2827 | #endif |
281a817f DB |
2828 | if (rmd->r5or6_first_row != rmd->r5or6_last_row) |
2829 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2830 | |
583891c9 | 2831 | /* Verify request is in a single column. */ |
6c223761 | 2832 | #if BITS_PER_LONG == 32 |
281a817f DB |
2833 | tmpdiv = rmd->first_block; |
2834 | rmd->first_row_offset = do_div(tmpdiv, rmd->stripesize); | |
2835 | tmpdiv = rmd->first_row_offset; | |
2836 | rmd->first_row_offset = (u32)do_div(tmpdiv, rmd->blocks_per_row); | |
2837 | rmd->r5or6_first_row_offset = rmd->first_row_offset; | |
2838 | tmpdiv = rmd->last_block; | |
2839 | rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->stripesize); | |
2840 | tmpdiv = rmd->r5or6_last_row_offset; | |
2841 | rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->blocks_per_row); | |
2842 | tmpdiv = rmd->r5or6_first_row_offset; | |
2843 | do_div(tmpdiv, rmd->strip_size); | |
2844 | rmd->first_column = rmd->r5or6_first_column = tmpdiv; | |
2845 | tmpdiv = rmd->r5or6_last_row_offset; | |
2846 | do_div(tmpdiv, rmd->strip_size); | |
2847 | rmd->r5or6_last_column = tmpdiv; | |
6c223761 | 2848 | #else |
281a817f | 2849 | rmd->first_row_offset = rmd->r5or6_first_row_offset = |
583891c9 KB |
2850 | (u32)((rmd->first_block % rmd->stripesize) % |
2851 | rmd->blocks_per_row); | |
281a817f DB |
2852 | |
2853 | rmd->r5or6_last_row_offset = | |
2854 | (u32)((rmd->last_block % rmd->stripesize) % | |
2855 | rmd->blocks_per_row); | |
2856 | ||
2857 | rmd->first_column = | |
583891c9 | 2858 | rmd->r5or6_first_row_offset / rmd->strip_size; |
281a817f DB |
2859 | rmd->r5or6_first_column = rmd->first_column; |
2860 | rmd->r5or6_last_column = rmd->r5or6_last_row_offset / rmd->strip_size; | |
2861 | #endif | |
2862 | if (rmd->r5or6_first_column != rmd->r5or6_last_column) | |
2863 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2864 | ||
583891c9 | 2865 | /* Request is eligible. */ |
281a817f DB |
2866 | rmd->map_row = |
2867 | ((u32)(rmd->first_row >> raid_map->parity_rotation_shift)) % | |
2868 | get_unaligned_le16(&raid_map->row_cnt); | |
6c223761 | 2869 | |
281a817f DB |
2870 | rmd->map_index = (rmd->first_group * |
2871 | (get_unaligned_le16(&raid_map->row_cnt) * | |
2872 | rmd->total_disks_per_row)) + | |
2873 | (rmd->map_row * rmd->total_disks_per_row) + rmd->first_column; | |
6c223761 | 2874 | |
6702d2c4 DB |
2875 | if (rmd->is_write) { |
2876 | u32 index; | |
6c223761 | 2877 | |
6702d2c4 DB |
2878 | /* |
2879 | * p_parity_it_nexus and q_parity_it_nexus are pointers to the | |
2880 | * parity entries inside the device's raid_map. | |
2881 | * | |
2882 | * A device's RAID map is bounded by: number of RAID disks squared. | |
2883 | * | |
2884 | * The devices RAID map size is checked during device | |
2885 | * initialization. | |
2886 | */ | |
2887 | index = DIV_ROUND_UP(rmd->map_index + 1, rmd->total_disks_per_row); | |
2888 | index *= rmd->total_disks_per_row; | |
2889 | index -= get_unaligned_le16(&raid_map->metadata_disks_per_row); | |
2890 | ||
2891 | rmd->p_parity_it_nexus = raid_map->disk_data[index].aio_handle; | |
2892 | if (rmd->raid_level == SA_RAID_6) { | |
2893 | rmd->q_parity_it_nexus = raid_map->disk_data[index + 1].aio_handle; | |
2894 | rmd->xor_mult = raid_map->disk_data[rmd->map_index].xor_mult[1]; | |
2895 | } | |
6702d2c4 DB |
2896 | #if BITS_PER_LONG == 32 |
2897 | tmpdiv = rmd->first_block; | |
2898 | do_div(tmpdiv, rmd->blocks_per_row); | |
2899 | rmd->row = tmpdiv; | |
2900 | #else | |
2901 | rmd->row = rmd->first_block / rmd->blocks_per_row; | |
6c223761 | 2902 | #endif |
6702d2c4 DB |
2903 | } |
2904 | ||
281a817f DB |
2905 | return 0; |
2906 | } | |
2907 | ||
2908 | static void pqi_set_aio_cdb(struct pqi_scsi_dev_raid_map_data *rmd) | |
2909 | { | |
2910 | /* Build the new CDB for the physical disk I/O. */ | |
2911 | if (rmd->disk_block > 0xffffffff) { | |
2912 | rmd->cdb[0] = rmd->is_write ? WRITE_16 : READ_16; | |
2913 | rmd->cdb[1] = 0; | |
2914 | put_unaligned_be64(rmd->disk_block, &rmd->cdb[2]); | |
2915 | put_unaligned_be32(rmd->disk_block_cnt, &rmd->cdb[10]); | |
2916 | rmd->cdb[14] = 0; | |
2917 | rmd->cdb[15] = 0; | |
2918 | rmd->cdb_length = 16; | |
2919 | } else { | |
2920 | rmd->cdb[0] = rmd->is_write ? WRITE_10 : READ_10; | |
2921 | rmd->cdb[1] = 0; | |
2922 | put_unaligned_be32((u32)rmd->disk_block, &rmd->cdb[2]); | |
2923 | rmd->cdb[6] = 0; | |
2924 | put_unaligned_be16((u16)rmd->disk_block_cnt, &rmd->cdb[7]); | |
2925 | rmd->cdb[9] = 0; | |
2926 | rmd->cdb_length = 10; | |
2927 | } | |
2928 | } | |
2929 | ||
7a012c23 | 2930 | static void pqi_calc_aio_r1_nexus(struct raid_map *raid_map, |
583891c9 | 2931 | struct pqi_scsi_dev_raid_map_data *rmd) |
7a012c23 DB |
2932 | { |
2933 | u32 index; | |
2934 | u32 group; | |
2935 | ||
2936 | group = rmd->map_index / rmd->data_disks_per_row; | |
2937 | ||
2938 | index = rmd->map_index - (group * rmd->data_disks_per_row); | |
2939 | rmd->it_nexus[0] = raid_map->disk_data[index].aio_handle; | |
2940 | index += rmd->data_disks_per_row; | |
2941 | rmd->it_nexus[1] = raid_map->disk_data[index].aio_handle; | |
2942 | if (rmd->layout_map_count > 2) { | |
2943 | index += rmd->data_disks_per_row; | |
2944 | rmd->it_nexus[2] = raid_map->disk_data[index].aio_handle; | |
2945 | } | |
2946 | ||
2947 | rmd->num_it_nexus_entries = rmd->layout_map_count; | |
2948 | } | |
2949 | ||
281a817f DB |
2950 | static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
2951 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
2952 | struct pqi_queue_group *queue_group) | |
2953 | { | |
281a817f | 2954 | int rc; |
7a012c23 DB |
2955 | struct raid_map *raid_map; |
2956 | u32 group; | |
2957 | u32 next_bypass_group; | |
281a817f DB |
2958 | struct pqi_encryption_info *encryption_info_ptr; |
2959 | struct pqi_encryption_info encryption_info; | |
583891c9 | 2960 | struct pqi_scsi_dev_raid_map_data rmd = { 0 }; |
281a817f DB |
2961 | |
2962 | rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); | |
2963 | if (rc) | |
2964 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2965 | ||
2966 | rmd.raid_level = device->raid_level; | |
6c223761 | 2967 | |
6702d2c4 | 2968 | if (!pqi_aio_raid_level_supported(ctrl_info, &rmd)) |
281a817f DB |
2969 | return PQI_RAID_BYPASS_INELIGIBLE; |
2970 | ||
2971 | if (unlikely(rmd.block_cnt == 0)) | |
2972 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2973 | ||
2974 | raid_map = device->raid_map; | |
6c223761 | 2975 | |
281a817f DB |
2976 | rc = pci_get_aio_common_raid_map_values(ctrl_info, &rmd, raid_map); |
2977 | if (rc) | |
2978 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2979 | |
7a012c23 DB |
2980 | if (device->raid_level == SA_RAID_1 || |
2981 | device->raid_level == SA_RAID_TRIPLE) { | |
2982 | if (rmd.is_write) { | |
2983 | pqi_calc_aio_r1_nexus(raid_map, &rmd); | |
2984 | } else { | |
5d8fbce0 | 2985 | group = device->next_bypass_group[rmd.map_index]; |
7a012c23 DB |
2986 | next_bypass_group = group + 1; |
2987 | if (next_bypass_group >= rmd.layout_map_count) | |
2988 | next_bypass_group = 0; | |
5d8fbce0 | 2989 | device->next_bypass_group[rmd.map_index] = next_bypass_group; |
7a012c23 DB |
2990 | rmd.map_index += group * rmd.data_disks_per_row; |
2991 | } | |
281a817f | 2992 | } else if ((device->raid_level == SA_RAID_5 || |
6702d2c4 DB |
2993 | device->raid_level == SA_RAID_6) && |
2994 | (rmd.layout_map_count > 1 || rmd.is_write)) { | |
281a817f DB |
2995 | rc = pqi_calc_aio_r5_or_r6(&rmd, raid_map); |
2996 | if (rc) | |
2997 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 KB |
2998 | } |
2999 | ||
281a817f DB |
3000 | if (unlikely(rmd.map_index >= RAID_MAP_MAX_ENTRIES)) |
3001 | return PQI_RAID_BYPASS_INELIGIBLE; | |
3002 | ||
3003 | rmd.aio_handle = raid_map->disk_data[rmd.map_index].aio_handle; | |
3004 | rmd.disk_block = get_unaligned_le64(&raid_map->disk_starting_blk) + | |
3005 | rmd.first_row * rmd.strip_size + | |
3006 | (rmd.first_row_offset - rmd.first_column * rmd.strip_size); | |
3007 | rmd.disk_block_cnt = rmd.block_cnt; | |
6c223761 KB |
3008 | |
3009 | /* Handle differing logical/physical block sizes. */ | |
3010 | if (raid_map->phys_blk_shift) { | |
281a817f DB |
3011 | rmd.disk_block <<= raid_map->phys_blk_shift; |
3012 | rmd.disk_block_cnt <<= raid_map->phys_blk_shift; | |
6c223761 KB |
3013 | } |
3014 | ||
281a817f | 3015 | if (unlikely(rmd.disk_block_cnt > 0xffff)) |
6c223761 KB |
3016 | return PQI_RAID_BYPASS_INELIGIBLE; |
3017 | ||
281a817f | 3018 | pqi_set_aio_cdb(&rmd); |
6c223761 | 3019 | |
583891c9 | 3020 | if (get_unaligned_le16(&raid_map->flags) & RAID_MAP_ENCRYPTION_ENABLED) { |
f6cc2a77 KB |
3021 | if (rmd.data_length > device->max_transfer_encrypted) |
3022 | return PQI_RAID_BYPASS_INELIGIBLE; | |
583891c9 | 3023 | pqi_set_encryption_info(&encryption_info, raid_map, rmd.first_block); |
6c223761 KB |
3024 | encryption_info_ptr = &encryption_info; |
3025 | } else { | |
3026 | encryption_info_ptr = NULL; | |
3027 | } | |
3028 | ||
6702d2c4 DB |
3029 | if (rmd.is_write) { |
3030 | switch (device->raid_level) { | |
7a012c23 DB |
3031 | case SA_RAID_1: |
3032 | case SA_RAID_TRIPLE: | |
3033 | return pqi_aio_submit_r1_write_io(ctrl_info, scmd, queue_group, | |
3034 | encryption_info_ptr, device, &rmd); | |
6702d2c4 DB |
3035 | case SA_RAID_5: |
3036 | case SA_RAID_6: | |
3037 | return pqi_aio_submit_r56_write_io(ctrl_info, scmd, queue_group, | |
583891c9 | 3038 | encryption_info_ptr, device, &rmd); |
6702d2c4 | 3039 | } |
6702d2c4 DB |
3040 | } |
3041 | ||
f6cc2a77 KB |
3042 | return pqi_aio_submit_io(ctrl_info, scmd, rmd.aio_handle, |
3043 | rmd.cdb, rmd.cdb_length, queue_group, | |
2a47834d | 3044 | encryption_info_ptr, true, false); |
6c223761 KB |
3045 | } |
3046 | ||
3047 | #define PQI_STATUS_IDLE 0x0 | |
3048 | ||
3049 | #define PQI_CREATE_ADMIN_QUEUE_PAIR 1 | |
3050 | #define PQI_DELETE_ADMIN_QUEUE_PAIR 2 | |
3051 | ||
3052 | #define PQI_DEVICE_STATE_POWER_ON_AND_RESET 0x0 | |
3053 | #define PQI_DEVICE_STATE_STATUS_AVAILABLE 0x1 | |
3054 | #define PQI_DEVICE_STATE_ALL_REGISTERS_READY 0x2 | |
3055 | #define PQI_DEVICE_STATE_ADMIN_QUEUE_PAIR_READY 0x3 | |
3056 | #define PQI_DEVICE_STATE_ERROR 0x4 | |
3057 | ||
3058 | #define PQI_MODE_READY_TIMEOUT_SECS 30 | |
3059 | #define PQI_MODE_READY_POLL_INTERVAL_MSECS 1 | |
3060 | ||
3061 | static int pqi_wait_for_pqi_mode_ready(struct pqi_ctrl_info *ctrl_info) | |
3062 | { | |
3063 | struct pqi_device_registers __iomem *pqi_registers; | |
3064 | unsigned long timeout; | |
3065 | u64 signature; | |
3066 | u8 status; | |
3067 | ||
3068 | pqi_registers = ctrl_info->pqi_registers; | |
42dc0426 | 3069 | timeout = (PQI_MODE_READY_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 KB |
3070 | |
3071 | while (1) { | |
3072 | signature = readq(&pqi_registers->signature); | |
3073 | if (memcmp(&signature, PQI_DEVICE_SIGNATURE, | |
3074 | sizeof(signature)) == 0) | |
3075 | break; | |
3076 | if (time_after(jiffies, timeout)) { | |
3077 | dev_err(&ctrl_info->pci_dev->dev, | |
3078 | "timed out waiting for PQI signature\n"); | |
3079 | return -ETIMEDOUT; | |
3080 | } | |
3081 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3082 | } | |
3083 | ||
3084 | while (1) { | |
3085 | status = readb(&pqi_registers->function_and_status_code); | |
3086 | if (status == PQI_STATUS_IDLE) | |
3087 | break; | |
3088 | if (time_after(jiffies, timeout)) { | |
3089 | dev_err(&ctrl_info->pci_dev->dev, | |
3090 | "timed out waiting for PQI IDLE\n"); | |
3091 | return -ETIMEDOUT; | |
3092 | } | |
3093 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3094 | } | |
3095 | ||
3096 | while (1) { | |
3097 | if (readl(&pqi_registers->device_status) == | |
3098 | PQI_DEVICE_STATE_ALL_REGISTERS_READY) | |
3099 | break; | |
3100 | if (time_after(jiffies, timeout)) { | |
3101 | dev_err(&ctrl_info->pci_dev->dev, | |
3102 | "timed out waiting for PQI all registers ready\n"); | |
3103 | return -ETIMEDOUT; | |
3104 | } | |
3105 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3106 | } | |
3107 | ||
3108 | return 0; | |
3109 | } | |
3110 | ||
3111 | static inline void pqi_aio_path_disabled(struct pqi_io_request *io_request) | |
3112 | { | |
3113 | struct pqi_scsi_dev *device; | |
3114 | ||
3115 | device = io_request->scmd->device->hostdata; | |
588a63fe | 3116 | device->raid_bypass_enabled = false; |
376fb880 | 3117 | device->aio_enabled = false; |
6c223761 KB |
3118 | } |
3119 | ||
d87d5474 | 3120 | static inline void pqi_take_device_offline(struct scsi_device *sdev, char *path) |
6c223761 KB |
3121 | { |
3122 | struct pqi_ctrl_info *ctrl_info; | |
e58081a7 | 3123 | struct pqi_scsi_dev *device; |
6c223761 | 3124 | |
03b288cf KB |
3125 | device = sdev->hostdata; |
3126 | if (device->device_offline) | |
3127 | return; | |
3128 | ||
3129 | device->device_offline = true; | |
03b288cf KB |
3130 | ctrl_info = shost_to_hba(sdev->host); |
3131 | pqi_schedule_rescan_worker(ctrl_info); | |
a9a68101 | 3132 | dev_err(&ctrl_info->pci_dev->dev, "re-scanning %s scsi %d:%d:%d:%d\n", |
03b288cf KB |
3133 | path, ctrl_info->scsi_host->host_no, device->bus, |
3134 | device->target, device->lun); | |
6c223761 KB |
3135 | } |
3136 | ||
3137 | static void pqi_process_raid_io_error(struct pqi_io_request *io_request) | |
3138 | { | |
3139 | u8 scsi_status; | |
3140 | u8 host_byte; | |
3141 | struct scsi_cmnd *scmd; | |
3142 | struct pqi_raid_error_info *error_info; | |
3143 | size_t sense_data_length; | |
3144 | int residual_count; | |
3145 | int xfer_count; | |
3146 | struct scsi_sense_hdr sshdr; | |
3147 | ||
3148 | scmd = io_request->scmd; | |
3149 | if (!scmd) | |
3150 | return; | |
3151 | ||
3152 | error_info = io_request->error_info; | |
3153 | scsi_status = error_info->status; | |
3154 | host_byte = DID_OK; | |
3155 | ||
f5b63206 KB |
3156 | switch (error_info->data_out_result) { |
3157 | case PQI_DATA_IN_OUT_GOOD: | |
3158 | break; | |
3159 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
6c223761 KB |
3160 | xfer_count = |
3161 | get_unaligned_le32(&error_info->data_out_transferred); | |
3162 | residual_count = scsi_bufflen(scmd) - xfer_count; | |
3163 | scsi_set_resid(scmd, residual_count); | |
3164 | if (xfer_count < scmd->underflow) | |
3165 | host_byte = DID_SOFT_ERROR; | |
f5b63206 KB |
3166 | break; |
3167 | case PQI_DATA_IN_OUT_UNSOLICITED_ABORT: | |
3168 | case PQI_DATA_IN_OUT_ABORTED: | |
3169 | host_byte = DID_ABORT; | |
3170 | break; | |
3171 | case PQI_DATA_IN_OUT_TIMEOUT: | |
3172 | host_byte = DID_TIME_OUT; | |
3173 | break; | |
3174 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW: | |
3175 | case PQI_DATA_IN_OUT_PROTOCOL_ERROR: | |
3176 | case PQI_DATA_IN_OUT_BUFFER_ERROR: | |
3177 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA: | |
3178 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE: | |
3179 | case PQI_DATA_IN_OUT_ERROR: | |
3180 | case PQI_DATA_IN_OUT_HARDWARE_ERROR: | |
3181 | case PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR: | |
3182 | case PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT: | |
3183 | case PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED: | |
3184 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED: | |
3185 | case PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED: | |
3186 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST: | |
3187 | case PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION: | |
3188 | case PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED: | |
3189 | case PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ: | |
3190 | default: | |
3191 | host_byte = DID_ERROR; | |
3192 | break; | |
6c223761 KB |
3193 | } |
3194 | ||
3195 | sense_data_length = get_unaligned_le16(&error_info->sense_data_length); | |
3196 | if (sense_data_length == 0) | |
3197 | sense_data_length = | |
3198 | get_unaligned_le16(&error_info->response_data_length); | |
3199 | if (sense_data_length) { | |
3200 | if (sense_data_length > sizeof(error_info->data)) | |
3201 | sense_data_length = sizeof(error_info->data); | |
3202 | ||
3203 | if (scsi_status == SAM_STAT_CHECK_CONDITION && | |
3204 | scsi_normalize_sense(error_info->data, | |
3205 | sense_data_length, &sshdr) && | |
3206 | sshdr.sense_key == HARDWARE_ERROR && | |
8ef860ae | 3207 | sshdr.asc == 0x3e) { |
441b7195 EV |
3208 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(scmd->device->host); |
3209 | struct pqi_scsi_dev *device = scmd->device->hostdata; | |
3210 | ||
8ef860ae EV |
3211 | switch (sshdr.ascq) { |
3212 | case 0x1: /* LOGICAL UNIT FAILURE */ | |
3213 | if (printk_ratelimit()) | |
3214 | scmd_printk(KERN_ERR, scmd, "received 'logical unit failure' from controller for scsi %d:%d:%d:%d\n", | |
3215 | ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); | |
3216 | pqi_take_device_offline(scmd->device, "RAID"); | |
3217 | host_byte = DID_NO_CONNECT; | |
3218 | break; | |
3219 | ||
3220 | default: /* See http://www.t10.org/lists/asc-num.htm#ASC_3E */ | |
3221 | if (printk_ratelimit()) | |
3222 | scmd_printk(KERN_ERR, scmd, "received unhandled error %d from controller for scsi %d:%d:%d:%d\n", | |
3223 | sshdr.ascq, ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); | |
3224 | break; | |
3225 | } | |
6c223761 KB |
3226 | } |
3227 | ||
3228 | if (sense_data_length > SCSI_SENSE_BUFFERSIZE) | |
3229 | sense_data_length = SCSI_SENSE_BUFFERSIZE; | |
3230 | memcpy(scmd->sense_buffer, error_info->data, | |
3231 | sense_data_length); | |
3232 | } | |
3233 | ||
3234 | scmd->result = scsi_status; | |
3235 | set_host_byte(scmd, host_byte); | |
3236 | } | |
3237 | ||
3238 | static void pqi_process_aio_io_error(struct pqi_io_request *io_request) | |
3239 | { | |
3240 | u8 scsi_status; | |
3241 | u8 host_byte; | |
3242 | struct scsi_cmnd *scmd; | |
3243 | struct pqi_aio_error_info *error_info; | |
3244 | size_t sense_data_length; | |
3245 | int residual_count; | |
3246 | int xfer_count; | |
3247 | bool device_offline; | |
94a68c81 | 3248 | struct pqi_scsi_dev *device; |
6c223761 KB |
3249 | |
3250 | scmd = io_request->scmd; | |
3251 | error_info = io_request->error_info; | |
3252 | host_byte = DID_OK; | |
3253 | sense_data_length = 0; | |
3254 | device_offline = false; | |
94a68c81 | 3255 | device = scmd->device->hostdata; |
6c223761 KB |
3256 | |
3257 | switch (error_info->service_response) { | |
3258 | case PQI_AIO_SERV_RESPONSE_COMPLETE: | |
3259 | scsi_status = error_info->status; | |
3260 | break; | |
3261 | case PQI_AIO_SERV_RESPONSE_FAILURE: | |
3262 | switch (error_info->status) { | |
3263 | case PQI_AIO_STATUS_IO_ABORTED: | |
3264 | scsi_status = SAM_STAT_TASK_ABORTED; | |
3265 | break; | |
3266 | case PQI_AIO_STATUS_UNDERRUN: | |
3267 | scsi_status = SAM_STAT_GOOD; | |
3268 | residual_count = get_unaligned_le32( | |
3269 | &error_info->residual_count); | |
3270 | scsi_set_resid(scmd, residual_count); | |
3271 | xfer_count = scsi_bufflen(scmd) - residual_count; | |
3272 | if (xfer_count < scmd->underflow) | |
3273 | host_byte = DID_SOFT_ERROR; | |
3274 | break; | |
3275 | case PQI_AIO_STATUS_OVERRUN: | |
3276 | scsi_status = SAM_STAT_GOOD; | |
3277 | break; | |
3278 | case PQI_AIO_STATUS_AIO_PATH_DISABLED: | |
3279 | pqi_aio_path_disabled(io_request); | |
94a68c81 MB |
3280 | if (pqi_is_multipath_device(device)) { |
3281 | pqi_device_remove_start(device); | |
3282 | host_byte = DID_NO_CONNECT; | |
3283 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3284 | } else { | |
3285 | scsi_status = SAM_STAT_GOOD; | |
3286 | io_request->status = -EAGAIN; | |
3287 | } | |
6c223761 KB |
3288 | break; |
3289 | case PQI_AIO_STATUS_NO_PATH_TO_DEVICE: | |
3290 | case PQI_AIO_STATUS_INVALID_DEVICE: | |
376fb880 KB |
3291 | if (!io_request->raid_bypass) { |
3292 | device_offline = true; | |
3293 | pqi_take_device_offline(scmd->device, "AIO"); | |
3294 | host_byte = DID_NO_CONNECT; | |
3295 | } | |
6c223761 KB |
3296 | scsi_status = SAM_STAT_CHECK_CONDITION; |
3297 | break; | |
3298 | case PQI_AIO_STATUS_IO_ERROR: | |
3299 | default: | |
3300 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3301 | break; | |
3302 | } | |
3303 | break; | |
3304 | case PQI_AIO_SERV_RESPONSE_TMF_COMPLETE: | |
3305 | case PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED: | |
3306 | scsi_status = SAM_STAT_GOOD; | |
3307 | break; | |
3308 | case PQI_AIO_SERV_RESPONSE_TMF_REJECTED: | |
3309 | case PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN: | |
3310 | default: | |
3311 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3312 | break; | |
3313 | } | |
3314 | ||
3315 | if (error_info->data_present) { | |
3316 | sense_data_length = | |
3317 | get_unaligned_le16(&error_info->data_length); | |
3318 | if (sense_data_length) { | |
3319 | if (sense_data_length > sizeof(error_info->data)) | |
3320 | sense_data_length = sizeof(error_info->data); | |
3321 | if (sense_data_length > SCSI_SENSE_BUFFERSIZE) | |
3322 | sense_data_length = SCSI_SENSE_BUFFERSIZE; | |
3323 | memcpy(scmd->sense_buffer, error_info->data, | |
3324 | sense_data_length); | |
3325 | } | |
3326 | } | |
3327 | ||
3328 | if (device_offline && sense_data_length == 0) | |
f2b1e9c6 | 3329 | scsi_build_sense(scmd, 0, HARDWARE_ERROR, 0x3e, 0x1); |
6c223761 KB |
3330 | |
3331 | scmd->result = scsi_status; | |
3332 | set_host_byte(scmd, host_byte); | |
3333 | } | |
3334 | ||
3335 | static void pqi_process_io_error(unsigned int iu_type, | |
3336 | struct pqi_io_request *io_request) | |
3337 | { | |
3338 | switch (iu_type) { | |
3339 | case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR: | |
3340 | pqi_process_raid_io_error(io_request); | |
3341 | break; | |
3342 | case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR: | |
3343 | pqi_process_aio_io_error(io_request); | |
3344 | break; | |
3345 | } | |
3346 | } | |
3347 | ||
18ff5f08 | 3348 | static int pqi_interpret_task_management_response(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
3349 | struct pqi_task_management_response *response) |
3350 | { | |
3351 | int rc; | |
3352 | ||
3353 | switch (response->response_code) { | |
b17f0486 KB |
3354 | case SOP_TMF_COMPLETE: |
3355 | case SOP_TMF_FUNCTION_SUCCEEDED: | |
6c223761 KB |
3356 | rc = 0; |
3357 | break; | |
3406384b MR |
3358 | case SOP_TMF_REJECTED: |
3359 | rc = -EAGAIN; | |
3360 | break; | |
43cf3a6e | 3361 | case SOP_TMF_INCORRECT_LOGICAL_UNIT: |
4e7d2602 MM |
3362 | rc = -ENODEV; |
3363 | break; | |
6c223761 KB |
3364 | default: |
3365 | rc = -EIO; | |
3366 | break; | |
3367 | } | |
3368 | ||
18ff5f08 KB |
3369 | if (rc) |
3370 | dev_err(&ctrl_info->pci_dev->dev, | |
3371 | "Task Management Function error: %d (response code: %u)\n", rc, response->response_code); | |
3372 | ||
6c223761 KB |
3373 | return rc; |
3374 | } | |
3375 | ||
5d1f03e6 MB |
3376 | static inline void pqi_invalid_response(struct pqi_ctrl_info *ctrl_info, |
3377 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) | |
6c223761 | 3378 | { |
5d1f03e6 | 3379 | pqi_take_ctrl_offline(ctrl_info, ctrl_shutdown_reason); |
9e68cccc KB |
3380 | } |
3381 | ||
3382 | static int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, struct pqi_queue_group *queue_group) | |
6c223761 | 3383 | { |
9e68cccc | 3384 | int num_responses; |
6c223761 KB |
3385 | pqi_index_t oq_pi; |
3386 | pqi_index_t oq_ci; | |
3387 | struct pqi_io_request *io_request; | |
3388 | struct pqi_io_response *response; | |
3389 | u16 request_id; | |
3390 | ||
3391 | num_responses = 0; | |
3392 | oq_ci = queue_group->oq_ci_copy; | |
3393 | ||
3394 | while (1) { | |
dac12fbc | 3395 | oq_pi = readl(queue_group->oq_pi); |
9e68cccc | 3396 | if (oq_pi >= ctrl_info->num_elements_per_oq) { |
5d1f03e6 | 3397 | pqi_invalid_response(ctrl_info, PQI_IO_PI_OUT_OF_RANGE); |
9e68cccc KB |
3398 | dev_err(&ctrl_info->pci_dev->dev, |
3399 | "I/O interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", | |
3400 | oq_pi, ctrl_info->num_elements_per_oq - 1, oq_ci); | |
3401 | return -1; | |
3402 | } | |
6c223761 KB |
3403 | if (oq_pi == oq_ci) |
3404 | break; | |
3405 | ||
3406 | num_responses++; | |
3407 | response = queue_group->oq_element_array + | |
3408 | (oq_ci * PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); | |
3409 | ||
3410 | request_id = get_unaligned_le16(&response->request_id); | |
9e68cccc | 3411 | if (request_id >= ctrl_info->max_io_slots) { |
5d1f03e6 | 3412 | pqi_invalid_response(ctrl_info, PQI_INVALID_REQ_ID); |
9e68cccc KB |
3413 | dev_err(&ctrl_info->pci_dev->dev, |
3414 | "request ID in response (%u) out of range (0-%u): producer index: %u consumer index: %u\n", | |
3415 | request_id, ctrl_info->max_io_slots - 1, oq_pi, oq_ci); | |
3416 | return -1; | |
3417 | } | |
6c223761 KB |
3418 | |
3419 | io_request = &ctrl_info->io_request_pool[request_id]; | |
9e68cccc | 3420 | if (atomic_read(&io_request->refcount) == 0) { |
5d1f03e6 | 3421 | pqi_invalid_response(ctrl_info, PQI_UNMATCHED_REQ_ID); |
9e68cccc KB |
3422 | dev_err(&ctrl_info->pci_dev->dev, |
3423 | "request ID in response (%u) does not match an outstanding I/O request: producer index: %u consumer index: %u\n", | |
3424 | request_id, oq_pi, oq_ci); | |
3425 | return -1; | |
3426 | } | |
6c223761 KB |
3427 | |
3428 | switch (response->header.iu_type) { | |
3429 | case PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS: | |
3430 | case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS: | |
2ba55c98 KB |
3431 | if (io_request->scmd) |
3432 | io_request->scmd->result = 0; | |
df561f66 | 3433 | fallthrough; |
6c223761 KB |
3434 | case PQI_RESPONSE_IU_GENERAL_MANAGEMENT: |
3435 | break; | |
b212c251 KB |
3436 | case PQI_RESPONSE_IU_VENDOR_GENERAL: |
3437 | io_request->status = | |
3438 | get_unaligned_le16( | |
583891c9 | 3439 | &((struct pqi_vendor_general_response *)response)->status); |
b212c251 | 3440 | break; |
6c223761 | 3441 | case PQI_RESPONSE_IU_TASK_MANAGEMENT: |
18ff5f08 KB |
3442 | io_request->status = pqi_interpret_task_management_response(ctrl_info, |
3443 | (void *)response); | |
6c223761 KB |
3444 | break; |
3445 | case PQI_RESPONSE_IU_AIO_PATH_DISABLED: | |
3446 | pqi_aio_path_disabled(io_request); | |
3447 | io_request->status = -EAGAIN; | |
3448 | break; | |
3449 | case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR: | |
3450 | case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR: | |
3451 | io_request->error_info = ctrl_info->error_buffer + | |
3452 | (get_unaligned_le16(&response->error_index) * | |
3453 | PQI_ERROR_BUFFER_ELEMENT_LENGTH); | |
9e68cccc | 3454 | pqi_process_io_error(response->header.iu_type, io_request); |
6c223761 KB |
3455 | break; |
3456 | default: | |
5d1f03e6 | 3457 | pqi_invalid_response(ctrl_info, PQI_UNEXPECTED_IU_TYPE); |
6c223761 | 3458 | dev_err(&ctrl_info->pci_dev->dev, |
9e68cccc KB |
3459 | "unexpected IU type: 0x%x: producer index: %u consumer index: %u\n", |
3460 | response->header.iu_type, oq_pi, oq_ci); | |
3461 | return -1; | |
6c223761 KB |
3462 | } |
3463 | ||
9e68cccc | 3464 | io_request->io_complete_callback(io_request, io_request->context); |
6c223761 KB |
3465 | |
3466 | /* | |
3467 | * Note that the I/O request structure CANNOT BE TOUCHED after | |
3468 | * returning from the I/O completion callback! | |
3469 | */ | |
6c223761 KB |
3470 | oq_ci = (oq_ci + 1) % ctrl_info->num_elements_per_oq; |
3471 | } | |
3472 | ||
3473 | if (num_responses) { | |
3474 | queue_group->oq_ci_copy = oq_ci; | |
3475 | writel(oq_ci, queue_group->oq_ci); | |
3476 | } | |
3477 | ||
3478 | return num_responses; | |
3479 | } | |
3480 | ||
3481 | static inline unsigned int pqi_num_elements_free(unsigned int pi, | |
df7a1fcf | 3482 | unsigned int ci, unsigned int elements_in_queue) |
6c223761 KB |
3483 | { |
3484 | unsigned int num_elements_used; | |
3485 | ||
3486 | if (pi >= ci) | |
3487 | num_elements_used = pi - ci; | |
3488 | else | |
3489 | num_elements_used = elements_in_queue - ci + pi; | |
3490 | ||
3491 | return elements_in_queue - num_elements_used - 1; | |
3492 | } | |
3493 | ||
98f87667 | 3494 | static void pqi_send_event_ack(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
3495 | struct pqi_event_acknowledge_request *iu, size_t iu_length) |
3496 | { | |
3497 | pqi_index_t iq_pi; | |
3498 | pqi_index_t iq_ci; | |
3499 | unsigned long flags; | |
3500 | void *next_element; | |
6c223761 KB |
3501 | struct pqi_queue_group *queue_group; |
3502 | ||
3503 | queue_group = &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP]; | |
3504 | put_unaligned_le16(queue_group->oq_id, &iu->header.response_queue_id); | |
3505 | ||
6c223761 KB |
3506 | while (1) { |
3507 | spin_lock_irqsave(&queue_group->submit_lock[RAID_PATH], flags); | |
3508 | ||
3509 | iq_pi = queue_group->iq_pi_copy[RAID_PATH]; | |
dac12fbc | 3510 | iq_ci = readl(queue_group->iq_ci[RAID_PATH]); |
6c223761 KB |
3511 | |
3512 | if (pqi_num_elements_free(iq_pi, iq_ci, | |
3513 | ctrl_info->num_elements_per_iq)) | |
3514 | break; | |
3515 | ||
3516 | spin_unlock_irqrestore( | |
3517 | &queue_group->submit_lock[RAID_PATH], flags); | |
3518 | ||
98f87667 | 3519 | if (pqi_ctrl_offline(ctrl_info)) |
6c223761 | 3520 | return; |
6c223761 KB |
3521 | } |
3522 | ||
3523 | next_element = queue_group->iq_element_array[RAID_PATH] + | |
3524 | (iq_pi * PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
3525 | ||
3526 | memcpy(next_element, iu, iu_length); | |
3527 | ||
3528 | iq_pi = (iq_pi + 1) % ctrl_info->num_elements_per_iq; | |
6c223761 KB |
3529 | queue_group->iq_pi_copy[RAID_PATH] = iq_pi; |
3530 | ||
3531 | /* | |
3532 | * This write notifies the controller that an IU is available to be | |
3533 | * processed. | |
3534 | */ | |
3535 | writel(iq_pi, queue_group->iq_pi[RAID_PATH]); | |
3536 | ||
3537 | spin_unlock_irqrestore(&queue_group->submit_lock[RAID_PATH], flags); | |
6c223761 KB |
3538 | } |
3539 | ||
3540 | static void pqi_acknowledge_event(struct pqi_ctrl_info *ctrl_info, | |
3541 | struct pqi_event *event) | |
3542 | { | |
3543 | struct pqi_event_acknowledge_request request; | |
3544 | ||
3545 | memset(&request, 0, sizeof(request)); | |
3546 | ||
3547 | request.header.iu_type = PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT; | |
3548 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
3549 | &request.header.iu_length); | |
3550 | request.event_type = event->event_type; | |
06b41e0d KB |
3551 | put_unaligned_le16(event->event_id, &request.event_id); |
3552 | put_unaligned_le32(event->additional_event_id, &request.additional_event_id); | |
6c223761 | 3553 | |
98f87667 | 3554 | pqi_send_event_ack(ctrl_info, &request, sizeof(request)); |
6c223761 KB |
3555 | } |
3556 | ||
4fd22c13 MR |
3557 | #define PQI_SOFT_RESET_STATUS_TIMEOUT_SECS 30 |
3558 | #define PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS 1 | |
3559 | ||
3560 | static enum pqi_soft_reset_status pqi_poll_for_soft_reset_status( | |
3561 | struct pqi_ctrl_info *ctrl_info) | |
6c223761 | 3562 | { |
4fd22c13 | 3563 | u8 status; |
583891c9 | 3564 | unsigned long timeout; |
6c223761 | 3565 | |
42dc0426 | 3566 | timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 | 3567 | |
4fd22c13 MR |
3568 | while (1) { |
3569 | status = pqi_read_soft_reset_status(ctrl_info); | |
3570 | if (status & PQI_SOFT_RESET_INITIATE) | |
3571 | return RESET_INITIATE_DRIVER; | |
3572 | ||
3573 | if (status & PQI_SOFT_RESET_ABORT) | |
3574 | return RESET_ABORT; | |
3575 | ||
4ccc354b KB |
3576 | if (!sis_is_firmware_running(ctrl_info)) |
3577 | return RESET_NORESPONSE; | |
3578 | ||
4fd22c13 | 3579 | if (time_after(jiffies, timeout)) { |
4ccc354b | 3580 | dev_warn(&ctrl_info->pci_dev->dev, |
4fd22c13 MR |
3581 | "timed out waiting for soft reset status\n"); |
3582 | return RESET_TIMEDOUT; | |
3583 | } | |
3584 | ||
4fd22c13 MR |
3585 | ssleep(PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS); |
3586 | } | |
3587 | } | |
3588 | ||
4ccc354b | 3589 | static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 MR |
3590 | { |
3591 | int rc; | |
2790cd4d | 3592 | unsigned int delay_secs; |
4ccc354b KB |
3593 | enum pqi_soft_reset_status reset_status; |
3594 | ||
3595 | if (ctrl_info->soft_reset_handshake_supported) | |
3596 | reset_status = pqi_poll_for_soft_reset_status(ctrl_info); | |
3597 | else | |
3598 | reset_status = RESET_INITIATE_FIRMWARE; | |
4fd22c13 | 3599 | |
2790cd4d | 3600 | delay_secs = PQI_POST_RESET_DELAY_SECS; |
4fd22c13 MR |
3601 | |
3602 | switch (reset_status) { | |
4fd22c13 | 3603 | case RESET_TIMEDOUT: |
2790cd4d | 3604 | delay_secs = PQI_POST_OFA_RESET_DELAY_UPON_TIMEOUT_SECS; |
4ccc354b KB |
3605 | fallthrough; |
3606 | case RESET_INITIATE_DRIVER: | |
4fd22c13 | 3607 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b | 3608 | "Online Firmware Activation: resetting controller\n"); |
4fd22c13 | 3609 | sis_soft_reset(ctrl_info); |
df561f66 | 3610 | fallthrough; |
4fd22c13 | 3611 | case RESET_INITIATE_FIRMWARE: |
4ccc354b KB |
3612 | ctrl_info->pqi_mode_enabled = false; |
3613 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); | |
2790cd4d | 3614 | rc = pqi_ofa_ctrl_restart(ctrl_info, delay_secs); |
4fd22c13 | 3615 | pqi_ofa_free_host_buffer(ctrl_info); |
4ccc354b | 3616 | pqi_ctrl_ofa_done(ctrl_info); |
4fd22c13 | 3617 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b KB |
3618 | "Online Firmware Activation: %s\n", |
3619 | rc == 0 ? "SUCCESS" : "FAILED"); | |
4fd22c13 MR |
3620 | break; |
3621 | case RESET_ABORT: | |
4fd22c13 | 3622 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b KB |
3623 | "Online Firmware Activation ABORTED\n"); |
3624 | if (ctrl_info->soft_reset_handshake_supported) | |
3625 | pqi_clear_soft_reset_status(ctrl_info); | |
3626 | pqi_ofa_free_host_buffer(ctrl_info); | |
3627 | pqi_ctrl_ofa_done(ctrl_info); | |
3628 | pqi_ofa_ctrl_unquiesce(ctrl_info); | |
4fd22c13 MR |
3629 | break; |
3630 | case RESET_NORESPONSE: | |
4ccc354b KB |
3631 | fallthrough; |
3632 | default: | |
3633 | dev_err(&ctrl_info->pci_dev->dev, | |
3634 | "unexpected Online Firmware Activation reset status: 0x%x\n", | |
3635 | reset_status); | |
4fd22c13 | 3636 | pqi_ofa_free_host_buffer(ctrl_info); |
4ccc354b KB |
3637 | pqi_ctrl_ofa_done(ctrl_info); |
3638 | pqi_ofa_ctrl_unquiesce(ctrl_info); | |
5d1f03e6 | 3639 | pqi_take_ctrl_offline(ctrl_info, PQI_OFA_RESPONSE_TIMEOUT); |
4fd22c13 MR |
3640 | break; |
3641 | } | |
3642 | } | |
3643 | ||
2790cd4d | 3644 | static void pqi_ofa_memory_alloc_worker(struct work_struct *work) |
4fd22c13 | 3645 | { |
2790cd4d | 3646 | struct pqi_ctrl_info *ctrl_info; |
4fd22c13 | 3647 | |
2790cd4d | 3648 | ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_memory_alloc_work); |
4fd22c13 | 3649 | |
2790cd4d KB |
3650 | pqi_ctrl_ofa_start(ctrl_info); |
3651 | pqi_ofa_setup_host_buffer(ctrl_info); | |
3652 | pqi_ofa_host_memory_update(ctrl_info); | |
3653 | } | |
4fd22c13 | 3654 | |
2790cd4d KB |
3655 | static void pqi_ofa_quiesce_worker(struct work_struct *work) |
3656 | { | |
3657 | struct pqi_ctrl_info *ctrl_info; | |
3658 | struct pqi_event *event; | |
4fd22c13 | 3659 | |
2790cd4d KB |
3660 | ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_quiesce_work); |
3661 | ||
3662 | event = &ctrl_info->events[pqi_event_type_to_event_index(PQI_EVENT_TYPE_OFA)]; | |
3663 | ||
3664 | pqi_ofa_ctrl_quiesce(ctrl_info); | |
3665 | pqi_acknowledge_event(ctrl_info, event); | |
3666 | pqi_process_soft_reset(ctrl_info); | |
3667 | } | |
4fd22c13 | 3668 | |
2790cd4d KB |
3669 | static bool pqi_ofa_process_event(struct pqi_ctrl_info *ctrl_info, |
3670 | struct pqi_event *event) | |
3671 | { | |
3672 | bool ack_event; | |
3673 | ||
3674 | ack_event = true; | |
3675 | ||
3676 | switch (event->event_id) { | |
3677 | case PQI_EVENT_OFA_MEMORY_ALLOCATION: | |
4fd22c13 | 3678 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3679 | "received Online Firmware Activation memory allocation request\n"); |
3680 | schedule_work(&ctrl_info->ofa_memory_alloc_work); | |
3681 | break; | |
3682 | case PQI_EVENT_OFA_QUIESCE: | |
4fd22c13 | 3683 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3684 | "received Online Firmware Activation quiesce request\n"); |
3685 | schedule_work(&ctrl_info->ofa_quiesce_work); | |
3686 | ack_event = false; | |
3687 | break; | |
3688 | case PQI_EVENT_OFA_CANCELED: | |
4fd22c13 | 3689 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3690 | "received Online Firmware Activation cancel request: reason: %u\n", |
3691 | ctrl_info->ofa_cancel_reason); | |
3692 | pqi_ofa_free_host_buffer(ctrl_info); | |
3693 | pqi_ctrl_ofa_done(ctrl_info); | |
3694 | break; | |
3695 | default: | |
3696 | dev_err(&ctrl_info->pci_dev->dev, | |
3697 | "received unknown Online Firmware Activation request: event ID: %u\n", | |
3698 | event->event_id); | |
3699 | break; | |
4fd22c13 MR |
3700 | } |
3701 | ||
2790cd4d | 3702 | return ack_event; |
4fd22c13 MR |
3703 | } |
3704 | ||
6ce3cfb3 KB |
3705 | static void pqi_disable_raid_bypass(struct pqi_ctrl_info *ctrl_info) |
3706 | { | |
3707 | unsigned long flags; | |
3708 | struct pqi_scsi_dev *device; | |
3709 | ||
3710 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
3711 | ||
3712 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) | |
3713 | if (device->raid_bypass_enabled) | |
3714 | device->raid_bypass_enabled = false; | |
3715 | ||
3716 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
3717 | } | |
3718 | ||
6c223761 KB |
3719 | static void pqi_event_worker(struct work_struct *work) |
3720 | { | |
3721 | unsigned int i; | |
2790cd4d | 3722 | bool rescan_needed; |
6c223761 | 3723 | struct pqi_ctrl_info *ctrl_info; |
6a50d6ad | 3724 | struct pqi_event *event; |
2790cd4d | 3725 | bool ack_event; |
6c223761 KB |
3726 | |
3727 | ctrl_info = container_of(work, struct pqi_ctrl_info, event_work); | |
3728 | ||
7561a7e4 | 3729 | pqi_ctrl_busy(ctrl_info); |
ae0c189d | 3730 | pqi_wait_if_ctrl_blocked(ctrl_info); |
5f310425 KB |
3731 | if (pqi_ctrl_offline(ctrl_info)) |
3732 | goto out; | |
3733 | ||
2790cd4d | 3734 | rescan_needed = false; |
6a50d6ad | 3735 | event = ctrl_info->events; |
6c223761 | 3736 | for (i = 0; i < PQI_NUM_SUPPORTED_EVENTS; i++) { |
6a50d6ad KB |
3737 | if (event->pending) { |
3738 | event->pending = false; | |
4fd22c13 | 3739 | if (event->event_type == PQI_EVENT_TYPE_OFA) { |
2790cd4d KB |
3740 | ack_event = pqi_ofa_process_event(ctrl_info, event); |
3741 | } else { | |
3742 | ack_event = true; | |
3743 | rescan_needed = true; | |
27655e9d MR |
3744 | if (event->event_type == PQI_EVENT_TYPE_LOGICAL_DEVICE) |
3745 | ctrl_info->logical_volume_rescan_needed = true; | |
6ce3cfb3 KB |
3746 | else if (event->event_type == PQI_EVENT_TYPE_AIO_STATE_CHANGE) |
3747 | pqi_disable_raid_bypass(ctrl_info); | |
4fd22c13 | 3748 | } |
2790cd4d KB |
3749 | if (ack_event) |
3750 | pqi_acknowledge_event(ctrl_info, event); | |
6c223761 | 3751 | } |
6a50d6ad | 3752 | event++; |
6c223761 KB |
3753 | } |
3754 | ||
4e7d2602 MM |
3755 | #define PQI_RESCAN_WORK_FOR_EVENT_DELAY (5 * HZ) |
3756 | ||
2790cd4d | 3757 | if (rescan_needed) |
4e7d2602 MM |
3758 | pqi_schedule_rescan_worker_with_delay(ctrl_info, |
3759 | PQI_RESCAN_WORK_FOR_EVENT_DELAY); | |
2790cd4d | 3760 | |
5f310425 | 3761 | out: |
7561a7e4 | 3762 | pqi_ctrl_unbusy(ctrl_info); |
6c223761 KB |
3763 | } |
3764 | ||
42dc0426 | 3765 | #define PQI_HEARTBEAT_TIMER_INTERVAL (10 * HZ) |
6c223761 | 3766 | |
74a0f573 | 3767 | static void pqi_heartbeat_timer_handler(struct timer_list *t) |
6c223761 KB |
3768 | { |
3769 | int num_interrupts; | |
98f87667 | 3770 | u32 heartbeat_count; |
583891c9 | 3771 | struct pqi_ctrl_info *ctrl_info = from_timer(ctrl_info, t, heartbeat_timer); |
6c223761 | 3772 | |
98f87667 KB |
3773 | pqi_check_ctrl_health(ctrl_info); |
3774 | if (pqi_ctrl_offline(ctrl_info)) | |
061ef06a KB |
3775 | return; |
3776 | ||
6c223761 | 3777 | num_interrupts = atomic_read(&ctrl_info->num_interrupts); |
98f87667 | 3778 | heartbeat_count = pqi_read_heartbeat_counter(ctrl_info); |
6c223761 KB |
3779 | |
3780 | if (num_interrupts == ctrl_info->previous_num_interrupts) { | |
98f87667 KB |
3781 | if (heartbeat_count == ctrl_info->previous_heartbeat_count) { |
3782 | dev_err(&ctrl_info->pci_dev->dev, | |
3783 | "no heartbeat detected - last heartbeat count: %u\n", | |
3784 | heartbeat_count); | |
5d1f03e6 | 3785 | pqi_take_ctrl_offline(ctrl_info, PQI_NO_HEARTBEAT); |
6c223761 KB |
3786 | return; |
3787 | } | |
6c223761 | 3788 | } else { |
98f87667 | 3789 | ctrl_info->previous_num_interrupts = num_interrupts; |
6c223761 KB |
3790 | } |
3791 | ||
98f87667 | 3792 | ctrl_info->previous_heartbeat_count = heartbeat_count; |
6c223761 KB |
3793 | mod_timer(&ctrl_info->heartbeat_timer, |
3794 | jiffies + PQI_HEARTBEAT_TIMER_INTERVAL); | |
3795 | } | |
3796 | ||
3797 | static void pqi_start_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) | |
3798 | { | |
98f87667 KB |
3799 | if (!ctrl_info->heartbeat_counter) |
3800 | return; | |
3801 | ||
6c223761 KB |
3802 | ctrl_info->previous_num_interrupts = |
3803 | atomic_read(&ctrl_info->num_interrupts); | |
98f87667 KB |
3804 | ctrl_info->previous_heartbeat_count = |
3805 | pqi_read_heartbeat_counter(ctrl_info); | |
6c223761 | 3806 | |
6c223761 KB |
3807 | ctrl_info->heartbeat_timer.expires = |
3808 | jiffies + PQI_HEARTBEAT_TIMER_INTERVAL; | |
061ef06a | 3809 | add_timer(&ctrl_info->heartbeat_timer); |
6c223761 KB |
3810 | } |
3811 | ||
3812 | static inline void pqi_stop_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) | |
3813 | { | |
98f87667 | 3814 | del_timer_sync(&ctrl_info->heartbeat_timer); |
6c223761 KB |
3815 | } |
3816 | ||
2790cd4d KB |
3817 | static void pqi_ofa_capture_event_payload(struct pqi_ctrl_info *ctrl_info, |
3818 | struct pqi_event *event, struct pqi_event_response *response) | |
4fd22c13 | 3819 | { |
2790cd4d KB |
3820 | switch (event->event_id) { |
3821 | case PQI_EVENT_OFA_MEMORY_ALLOCATION: | |
3822 | ctrl_info->ofa_bytes_requested = | |
3823 | get_unaligned_le32(&response->data.ofa_memory_allocation.bytes_requested); | |
3824 | break; | |
3825 | case PQI_EVENT_OFA_CANCELED: | |
3826 | ctrl_info->ofa_cancel_reason = | |
3827 | get_unaligned_le16(&response->data.ofa_cancelled.reason); | |
3828 | break; | |
4fd22c13 MR |
3829 | } |
3830 | } | |
3831 | ||
9e68cccc | 3832 | static int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) |
6c223761 | 3833 | { |
9e68cccc | 3834 | int num_events; |
6c223761 KB |
3835 | pqi_index_t oq_pi; |
3836 | pqi_index_t oq_ci; | |
3837 | struct pqi_event_queue *event_queue; | |
3838 | struct pqi_event_response *response; | |
6a50d6ad | 3839 | struct pqi_event *event; |
6c223761 KB |
3840 | int event_index; |
3841 | ||
3842 | event_queue = &ctrl_info->event_queue; | |
3843 | num_events = 0; | |
6c223761 KB |
3844 | oq_ci = event_queue->oq_ci_copy; |
3845 | ||
3846 | while (1) { | |
dac12fbc | 3847 | oq_pi = readl(event_queue->oq_pi); |
9e68cccc | 3848 | if (oq_pi >= PQI_NUM_EVENT_QUEUE_ELEMENTS) { |
5d1f03e6 | 3849 | pqi_invalid_response(ctrl_info, PQI_EVENT_PI_OUT_OF_RANGE); |
9e68cccc KB |
3850 | dev_err(&ctrl_info->pci_dev->dev, |
3851 | "event interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", | |
3852 | oq_pi, PQI_NUM_EVENT_QUEUE_ELEMENTS - 1, oq_ci); | |
3853 | return -1; | |
3854 | } | |
3855 | ||
6c223761 KB |
3856 | if (oq_pi == oq_ci) |
3857 | break; | |
3858 | ||
3859 | num_events++; | |
9e68cccc | 3860 | response = event_queue->oq_element_array + (oq_ci * PQI_EVENT_OQ_ELEMENT_LENGTH); |
6c223761 | 3861 | |
583891c9 | 3862 | event_index = pqi_event_type_to_event_index(response->event_type); |
6c223761 | 3863 | |
9e68cccc KB |
3864 | if (event_index >= 0 && response->request_acknowledge) { |
3865 | event = &ctrl_info->events[event_index]; | |
3866 | event->pending = true; | |
3867 | event->event_type = response->event_type; | |
06b41e0d KB |
3868 | event->event_id = get_unaligned_le16(&response->event_id); |
3869 | event->additional_event_id = | |
3870 | get_unaligned_le32(&response->additional_event_id); | |
9e68cccc | 3871 | if (event->event_type == PQI_EVENT_TYPE_OFA) |
2790cd4d | 3872 | pqi_ofa_capture_event_payload(ctrl_info, event, response); |
6c223761 KB |
3873 | } |
3874 | ||
3875 | oq_ci = (oq_ci + 1) % PQI_NUM_EVENT_QUEUE_ELEMENTS; | |
3876 | } | |
3877 | ||
3878 | if (num_events) { | |
3879 | event_queue->oq_ci_copy = oq_ci; | |
3880 | writel(oq_ci, event_queue->oq_ci); | |
98f87667 | 3881 | schedule_work(&ctrl_info->event_work); |
6c223761 KB |
3882 | } |
3883 | ||
3884 | return num_events; | |
3885 | } | |
3886 | ||
061ef06a KB |
3887 | #define PQI_LEGACY_INTX_MASK 0x1 |
3888 | ||
583891c9 | 3889 | static inline void pqi_configure_legacy_intx(struct pqi_ctrl_info *ctrl_info, bool enable_intx) |
061ef06a KB |
3890 | { |
3891 | u32 intx_mask; | |
3892 | struct pqi_device_registers __iomem *pqi_registers; | |
3893 | volatile void __iomem *register_addr; | |
3894 | ||
3895 | pqi_registers = ctrl_info->pqi_registers; | |
3896 | ||
3897 | if (enable_intx) | |
3898 | register_addr = &pqi_registers->legacy_intx_mask_clear; | |
3899 | else | |
3900 | register_addr = &pqi_registers->legacy_intx_mask_set; | |
3901 | ||
3902 | intx_mask = readl(register_addr); | |
3903 | intx_mask |= PQI_LEGACY_INTX_MASK; | |
3904 | writel(intx_mask, register_addr); | |
3905 | } | |
3906 | ||
3907 | static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info, | |
3908 | enum pqi_irq_mode new_mode) | |
3909 | { | |
3910 | switch (ctrl_info->irq_mode) { | |
3911 | case IRQ_MODE_MSIX: | |
3912 | switch (new_mode) { | |
3913 | case IRQ_MODE_MSIX: | |
3914 | break; | |
3915 | case IRQ_MODE_INTX: | |
3916 | pqi_configure_legacy_intx(ctrl_info, true); | |
061ef06a KB |
3917 | sis_enable_intx(ctrl_info); |
3918 | break; | |
3919 | case IRQ_MODE_NONE: | |
061ef06a KB |
3920 | break; |
3921 | } | |
3922 | break; | |
3923 | case IRQ_MODE_INTX: | |
3924 | switch (new_mode) { | |
3925 | case IRQ_MODE_MSIX: | |
3926 | pqi_configure_legacy_intx(ctrl_info, false); | |
061ef06a KB |
3927 | sis_enable_msix(ctrl_info); |
3928 | break; | |
3929 | case IRQ_MODE_INTX: | |
3930 | break; | |
3931 | case IRQ_MODE_NONE: | |
3932 | pqi_configure_legacy_intx(ctrl_info, false); | |
061ef06a KB |
3933 | break; |
3934 | } | |
3935 | break; | |
3936 | case IRQ_MODE_NONE: | |
3937 | switch (new_mode) { | |
3938 | case IRQ_MODE_MSIX: | |
3939 | sis_enable_msix(ctrl_info); | |
3940 | break; | |
3941 | case IRQ_MODE_INTX: | |
3942 | pqi_configure_legacy_intx(ctrl_info, true); | |
3943 | sis_enable_intx(ctrl_info); | |
3944 | break; | |
3945 | case IRQ_MODE_NONE: | |
3946 | break; | |
3947 | } | |
3948 | break; | |
3949 | } | |
3950 | ||
3951 | ctrl_info->irq_mode = new_mode; | |
3952 | } | |
3953 | ||
3954 | #define PQI_LEGACY_INTX_PENDING 0x1 | |
3955 | ||
3956 | static inline bool pqi_is_valid_irq(struct pqi_ctrl_info *ctrl_info) | |
3957 | { | |
3958 | bool valid_irq; | |
3959 | u32 intx_status; | |
3960 | ||
3961 | switch (ctrl_info->irq_mode) { | |
3962 | case IRQ_MODE_MSIX: | |
3963 | valid_irq = true; | |
3964 | break; | |
3965 | case IRQ_MODE_INTX: | |
583891c9 | 3966 | intx_status = readl(&ctrl_info->pqi_registers->legacy_intx_status); |
061ef06a KB |
3967 | if (intx_status & PQI_LEGACY_INTX_PENDING) |
3968 | valid_irq = true; | |
3969 | else | |
3970 | valid_irq = false; | |
3971 | break; | |
3972 | case IRQ_MODE_NONE: | |
3973 | default: | |
3974 | valid_irq = false; | |
3975 | break; | |
3976 | } | |
3977 | ||
3978 | return valid_irq; | |
3979 | } | |
3980 | ||
6c223761 KB |
3981 | static irqreturn_t pqi_irq_handler(int irq, void *data) |
3982 | { | |
3983 | struct pqi_ctrl_info *ctrl_info; | |
3984 | struct pqi_queue_group *queue_group; | |
9e68cccc KB |
3985 | int num_io_responses_handled; |
3986 | int num_events_handled; | |
6c223761 KB |
3987 | |
3988 | queue_group = data; | |
3989 | ctrl_info = queue_group->ctrl_info; | |
3990 | ||
061ef06a | 3991 | if (!pqi_is_valid_irq(ctrl_info)) |
6c223761 KB |
3992 | return IRQ_NONE; |
3993 | ||
9e68cccc KB |
3994 | num_io_responses_handled = pqi_process_io_intr(ctrl_info, queue_group); |
3995 | if (num_io_responses_handled < 0) | |
3996 | goto out; | |
6c223761 | 3997 | |
9e68cccc KB |
3998 | if (irq == ctrl_info->event_irq) { |
3999 | num_events_handled = pqi_process_event_intr(ctrl_info); | |
4000 | if (num_events_handled < 0) | |
4001 | goto out; | |
4002 | } else { | |
4003 | num_events_handled = 0; | |
4004 | } | |
6c223761 | 4005 | |
9e68cccc | 4006 | if (num_io_responses_handled + num_events_handled > 0) |
6c223761 KB |
4007 | atomic_inc(&ctrl_info->num_interrupts); |
4008 | ||
4009 | pqi_start_io(ctrl_info, queue_group, RAID_PATH, NULL); | |
4010 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, NULL); | |
4011 | ||
9e68cccc | 4012 | out: |
6c223761 KB |
4013 | return IRQ_HANDLED; |
4014 | } | |
4015 | ||
4016 | static int pqi_request_irqs(struct pqi_ctrl_info *ctrl_info) | |
4017 | { | |
d91d7820 | 4018 | struct pci_dev *pci_dev = ctrl_info->pci_dev; |
6c223761 KB |
4019 | int i; |
4020 | int rc; | |
4021 | ||
d91d7820 | 4022 | ctrl_info->event_irq = pci_irq_vector(pci_dev, 0); |
6c223761 KB |
4023 | |
4024 | for (i = 0; i < ctrl_info->num_msix_vectors_enabled; i++) { | |
d91d7820 | 4025 | rc = request_irq(pci_irq_vector(pci_dev, i), pqi_irq_handler, 0, |
52198226 | 4026 | DRIVER_NAME_SHORT, &ctrl_info->queue_groups[i]); |
6c223761 | 4027 | if (rc) { |
d91d7820 | 4028 | dev_err(&pci_dev->dev, |
6c223761 | 4029 | "irq %u init failed with error %d\n", |
d91d7820 | 4030 | pci_irq_vector(pci_dev, i), rc); |
6c223761 KB |
4031 | return rc; |
4032 | } | |
4033 | ctrl_info->num_msix_vectors_initialized++; | |
4034 | } | |
4035 | ||
4036 | return 0; | |
4037 | } | |
4038 | ||
98bf061b KB |
4039 | static void pqi_free_irqs(struct pqi_ctrl_info *ctrl_info) |
4040 | { | |
4041 | int i; | |
4042 | ||
4043 | for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) | |
4044 | free_irq(pci_irq_vector(ctrl_info->pci_dev, i), | |
4045 | &ctrl_info->queue_groups[i]); | |
4046 | ||
4047 | ctrl_info->num_msix_vectors_initialized = 0; | |
4048 | } | |
4049 | ||
6c223761 KB |
4050 | static int pqi_enable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) |
4051 | { | |
98bf061b | 4052 | int num_vectors_enabled; |
cf15c3e7 MM |
4053 | unsigned int flags = PCI_IRQ_MSIX; |
4054 | ||
4055 | if (!pqi_disable_managed_interrupts) | |
4056 | flags |= PCI_IRQ_AFFINITY; | |
6c223761 | 4057 | |
98bf061b | 4058 | num_vectors_enabled = pci_alloc_irq_vectors(ctrl_info->pci_dev, |
52198226 | 4059 | PQI_MIN_MSIX_VECTORS, ctrl_info->num_queue_groups, |
cf15c3e7 | 4060 | flags); |
98bf061b | 4061 | if (num_vectors_enabled < 0) { |
6c223761 | 4062 | dev_err(&ctrl_info->pci_dev->dev, |
98bf061b KB |
4063 | "MSI-X init failed with error %d\n", |
4064 | num_vectors_enabled); | |
4065 | return num_vectors_enabled; | |
6c223761 KB |
4066 | } |
4067 | ||
98bf061b | 4068 | ctrl_info->num_msix_vectors_enabled = num_vectors_enabled; |
061ef06a | 4069 | ctrl_info->irq_mode = IRQ_MODE_MSIX; |
6c223761 KB |
4070 | return 0; |
4071 | } | |
4072 | ||
98bf061b KB |
4073 | static void pqi_disable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) |
4074 | { | |
4075 | if (ctrl_info->num_msix_vectors_enabled) { | |
4076 | pci_free_irq_vectors(ctrl_info->pci_dev); | |
4077 | ctrl_info->num_msix_vectors_enabled = 0; | |
4078 | } | |
4079 | } | |
4080 | ||
6c223761 KB |
4081 | static int pqi_alloc_operational_queues(struct pqi_ctrl_info *ctrl_info) |
4082 | { | |
4083 | unsigned int i; | |
4084 | size_t alloc_length; | |
4085 | size_t element_array_length_per_iq; | |
4086 | size_t element_array_length_per_oq; | |
4087 | void *element_array; | |
dac12fbc | 4088 | void __iomem *next_queue_index; |
6c223761 KB |
4089 | void *aligned_pointer; |
4090 | unsigned int num_inbound_queues; | |
4091 | unsigned int num_outbound_queues; | |
4092 | unsigned int num_queue_indexes; | |
4093 | struct pqi_queue_group *queue_group; | |
4094 | ||
4095 | element_array_length_per_iq = | |
4096 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH * | |
4097 | ctrl_info->num_elements_per_iq; | |
4098 | element_array_length_per_oq = | |
4099 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH * | |
4100 | ctrl_info->num_elements_per_oq; | |
4101 | num_inbound_queues = ctrl_info->num_queue_groups * 2; | |
4102 | num_outbound_queues = ctrl_info->num_queue_groups; | |
4103 | num_queue_indexes = (ctrl_info->num_queue_groups * 3) + 1; | |
4104 | ||
4105 | aligned_pointer = NULL; | |
4106 | ||
4107 | for (i = 0; i < num_inbound_queues; i++) { | |
4108 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4109 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4110 | aligned_pointer += element_array_length_per_iq; | |
4111 | } | |
4112 | ||
4113 | for (i = 0; i < num_outbound_queues; i++) { | |
4114 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4115 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4116 | aligned_pointer += element_array_length_per_oq; | |
4117 | } | |
4118 | ||
4119 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4120 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4121 | aligned_pointer += PQI_NUM_EVENT_QUEUE_ELEMENTS * | |
4122 | PQI_EVENT_OQ_ELEMENT_LENGTH; | |
4123 | ||
4124 | for (i = 0; i < num_queue_indexes; i++) { | |
4125 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4126 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4127 | aligned_pointer += sizeof(pqi_index_t); | |
4128 | } | |
4129 | ||
4130 | alloc_length = (size_t)aligned_pointer + | |
4131 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; | |
4132 | ||
e1d213bd KB |
4133 | alloc_length += PQI_EXTRA_SGL_MEMORY; |
4134 | ||
6c223761 | 4135 | ctrl_info->queue_memory_base = |
750afb08 LC |
4136 | dma_alloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, |
4137 | &ctrl_info->queue_memory_base_dma_handle, | |
4138 | GFP_KERNEL); | |
6c223761 | 4139 | |
d87d5474 | 4140 | if (!ctrl_info->queue_memory_base) |
6c223761 | 4141 | return -ENOMEM; |
6c223761 KB |
4142 | |
4143 | ctrl_info->queue_memory_length = alloc_length; | |
4144 | ||
4145 | element_array = PTR_ALIGN(ctrl_info->queue_memory_base, | |
4146 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4147 | ||
4148 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4149 | queue_group = &ctrl_info->queue_groups[i]; | |
4150 | queue_group->iq_element_array[RAID_PATH] = element_array; | |
4151 | queue_group->iq_element_array_bus_addr[RAID_PATH] = | |
4152 | ctrl_info->queue_memory_base_dma_handle + | |
4153 | (element_array - ctrl_info->queue_memory_base); | |
4154 | element_array += element_array_length_per_iq; | |
4155 | element_array = PTR_ALIGN(element_array, | |
4156 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4157 | queue_group->iq_element_array[AIO_PATH] = element_array; | |
4158 | queue_group->iq_element_array_bus_addr[AIO_PATH] = | |
4159 | ctrl_info->queue_memory_base_dma_handle + | |
4160 | (element_array - ctrl_info->queue_memory_base); | |
4161 | element_array += element_array_length_per_iq; | |
4162 | element_array = PTR_ALIGN(element_array, | |
4163 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4164 | } | |
4165 | ||
4166 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4167 | queue_group = &ctrl_info->queue_groups[i]; | |
4168 | queue_group->oq_element_array = element_array; | |
4169 | queue_group->oq_element_array_bus_addr = | |
4170 | ctrl_info->queue_memory_base_dma_handle + | |
4171 | (element_array - ctrl_info->queue_memory_base); | |
4172 | element_array += element_array_length_per_oq; | |
4173 | element_array = PTR_ALIGN(element_array, | |
4174 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4175 | } | |
4176 | ||
4177 | ctrl_info->event_queue.oq_element_array = element_array; | |
4178 | ctrl_info->event_queue.oq_element_array_bus_addr = | |
4179 | ctrl_info->queue_memory_base_dma_handle + | |
4180 | (element_array - ctrl_info->queue_memory_base); | |
4181 | element_array += PQI_NUM_EVENT_QUEUE_ELEMENTS * | |
4182 | PQI_EVENT_OQ_ELEMENT_LENGTH; | |
4183 | ||
dac12fbc | 4184 | next_queue_index = (void __iomem *)PTR_ALIGN(element_array, |
6c223761 KB |
4185 | PQI_OPERATIONAL_INDEX_ALIGNMENT); |
4186 | ||
4187 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4188 | queue_group = &ctrl_info->queue_groups[i]; | |
4189 | queue_group->iq_ci[RAID_PATH] = next_queue_index; | |
4190 | queue_group->iq_ci_bus_addr[RAID_PATH] = | |
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 | queue_group->iq_ci[AIO_PATH] = next_queue_index; | |
4198 | queue_group->iq_ci_bus_addr[AIO_PATH] = | |
4199 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4200 | (next_queue_index - |
4201 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4202 | next_queue_index += sizeof(pqi_index_t); |
4203 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4204 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4205 | queue_group->oq_pi = next_queue_index; | |
4206 | queue_group->oq_pi_bus_addr = | |
4207 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4208 | (next_queue_index - |
4209 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4210 | next_queue_index += sizeof(pqi_index_t); |
4211 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4212 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4213 | } | |
4214 | ||
4215 | ctrl_info->event_queue.oq_pi = next_queue_index; | |
4216 | ctrl_info->event_queue.oq_pi_bus_addr = | |
4217 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4218 | (next_queue_index - |
4219 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4220 | |
4221 | return 0; | |
4222 | } | |
4223 | ||
4224 | static void pqi_init_operational_queues(struct pqi_ctrl_info *ctrl_info) | |
4225 | { | |
4226 | unsigned int i; | |
4227 | u16 next_iq_id = PQI_MIN_OPERATIONAL_QUEUE_ID; | |
4228 | u16 next_oq_id = PQI_MIN_OPERATIONAL_QUEUE_ID; | |
4229 | ||
4230 | /* | |
4231 | * Initialize the backpointers to the controller structure in | |
4232 | * each operational queue group structure. | |
4233 | */ | |
4234 | for (i = 0; i < ctrl_info->num_queue_groups; i++) | |
4235 | ctrl_info->queue_groups[i].ctrl_info = ctrl_info; | |
4236 | ||
4237 | /* | |
4238 | * Assign IDs to all operational queues. Note that the IDs | |
4239 | * assigned to operational IQs are independent of the IDs | |
4240 | * assigned to operational OQs. | |
4241 | */ | |
4242 | ctrl_info->event_queue.oq_id = next_oq_id++; | |
4243 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4244 | ctrl_info->queue_groups[i].iq_id[RAID_PATH] = next_iq_id++; | |
4245 | ctrl_info->queue_groups[i].iq_id[AIO_PATH] = next_iq_id++; | |
4246 | ctrl_info->queue_groups[i].oq_id = next_oq_id++; | |
4247 | } | |
4248 | ||
4249 | /* | |
4250 | * Assign MSI-X table entry indexes to all queues. Note that the | |
4251 | * interrupt for the event queue is shared with the first queue group. | |
4252 | */ | |
4253 | ctrl_info->event_queue.int_msg_num = 0; | |
4254 | for (i = 0; i < ctrl_info->num_queue_groups; i++) | |
4255 | ctrl_info->queue_groups[i].int_msg_num = i; | |
4256 | ||
4257 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4258 | spin_lock_init(&ctrl_info->queue_groups[i].submit_lock[0]); | |
4259 | spin_lock_init(&ctrl_info->queue_groups[i].submit_lock[1]); | |
4260 | INIT_LIST_HEAD(&ctrl_info->queue_groups[i].request_list[0]); | |
4261 | INIT_LIST_HEAD(&ctrl_info->queue_groups[i].request_list[1]); | |
4262 | } | |
4263 | } | |
4264 | ||
4265 | static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) | |
4266 | { | |
4267 | size_t alloc_length; | |
4268 | struct pqi_admin_queues_aligned *admin_queues_aligned; | |
4269 | struct pqi_admin_queues *admin_queues; | |
4270 | ||
4271 | alloc_length = sizeof(struct pqi_admin_queues_aligned) + | |
4272 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; | |
4273 | ||
4274 | ctrl_info->admin_queue_memory_base = | |
750afb08 LC |
4275 | dma_alloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, |
4276 | &ctrl_info->admin_queue_memory_base_dma_handle, | |
4277 | GFP_KERNEL); | |
6c223761 KB |
4278 | |
4279 | if (!ctrl_info->admin_queue_memory_base) | |
4280 | return -ENOMEM; | |
4281 | ||
4282 | ctrl_info->admin_queue_memory_length = alloc_length; | |
4283 | ||
4284 | admin_queues = &ctrl_info->admin_queues; | |
4285 | admin_queues_aligned = PTR_ALIGN(ctrl_info->admin_queue_memory_base, | |
4286 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4287 | admin_queues->iq_element_array = | |
4288 | &admin_queues_aligned->iq_element_array; | |
4289 | admin_queues->oq_element_array = | |
4290 | &admin_queues_aligned->oq_element_array; | |
583891c9 KB |
4291 | admin_queues->iq_ci = |
4292 | (pqi_index_t __iomem *)&admin_queues_aligned->iq_ci; | |
dac12fbc KB |
4293 | admin_queues->oq_pi = |
4294 | (pqi_index_t __iomem *)&admin_queues_aligned->oq_pi; | |
6c223761 KB |
4295 | |
4296 | admin_queues->iq_element_array_bus_addr = | |
4297 | ctrl_info->admin_queue_memory_base_dma_handle + | |
4298 | (admin_queues->iq_element_array - | |
4299 | ctrl_info->admin_queue_memory_base); | |
4300 | admin_queues->oq_element_array_bus_addr = | |
4301 | ctrl_info->admin_queue_memory_base_dma_handle + | |
4302 | (admin_queues->oq_element_array - | |
4303 | ctrl_info->admin_queue_memory_base); | |
4304 | admin_queues->iq_ci_bus_addr = | |
4305 | ctrl_info->admin_queue_memory_base_dma_handle + | |
583891c9 KB |
4306 | ((void __iomem *)admin_queues->iq_ci - |
4307 | (void __iomem *)ctrl_info->admin_queue_memory_base); | |
6c223761 KB |
4308 | admin_queues->oq_pi_bus_addr = |
4309 | ctrl_info->admin_queue_memory_base_dma_handle + | |
dac12fbc KB |
4310 | ((void __iomem *)admin_queues->oq_pi - |
4311 | (void __iomem *)ctrl_info->admin_queue_memory_base); | |
6c223761 KB |
4312 | |
4313 | return 0; | |
4314 | } | |
4315 | ||
42dc0426 | 4316 | #define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES HZ |
6c223761 KB |
4317 | #define PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS 1 |
4318 | ||
4319 | static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info) | |
4320 | { | |
4321 | struct pqi_device_registers __iomem *pqi_registers; | |
4322 | struct pqi_admin_queues *admin_queues; | |
4323 | unsigned long timeout; | |
4324 | u8 status; | |
4325 | u32 reg; | |
4326 | ||
4327 | pqi_registers = ctrl_info->pqi_registers; | |
4328 | admin_queues = &ctrl_info->admin_queues; | |
4329 | ||
4330 | writeq((u64)admin_queues->iq_element_array_bus_addr, | |
4331 | &pqi_registers->admin_iq_element_array_addr); | |
4332 | writeq((u64)admin_queues->oq_element_array_bus_addr, | |
4333 | &pqi_registers->admin_oq_element_array_addr); | |
4334 | writeq((u64)admin_queues->iq_ci_bus_addr, | |
4335 | &pqi_registers->admin_iq_ci_addr); | |
4336 | writeq((u64)admin_queues->oq_pi_bus_addr, | |
4337 | &pqi_registers->admin_oq_pi_addr); | |
4338 | ||
4339 | reg = PQI_ADMIN_IQ_NUM_ELEMENTS | | |
e655d469 | 4340 | (PQI_ADMIN_OQ_NUM_ELEMENTS << 8) | |
6c223761 KB |
4341 | (admin_queues->int_msg_num << 16); |
4342 | writel(reg, &pqi_registers->admin_iq_num_elements); | |
583891c9 | 4343 | |
6c223761 KB |
4344 | writel(PQI_CREATE_ADMIN_QUEUE_PAIR, |
4345 | &pqi_registers->function_and_status_code); | |
4346 | ||
4347 | timeout = PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES + jiffies; | |
4348 | while (1) { | |
987d3560 | 4349 | msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS); |
6c223761 KB |
4350 | status = readb(&pqi_registers->function_and_status_code); |
4351 | if (status == PQI_STATUS_IDLE) | |
4352 | break; | |
4353 | if (time_after(jiffies, timeout)) | |
4354 | return -ETIMEDOUT; | |
6c223761 KB |
4355 | } |
4356 | ||
4357 | /* | |
4358 | * The offset registers are not initialized to the correct | |
4359 | * offsets until *after* the create admin queue pair command | |
4360 | * completes successfully. | |
4361 | */ | |
4362 | admin_queues->iq_pi = ctrl_info->iomem_base + | |
4363 | PQI_DEVICE_REGISTERS_OFFSET + | |
4364 | readq(&pqi_registers->admin_iq_pi_offset); | |
4365 | admin_queues->oq_ci = ctrl_info->iomem_base + | |
4366 | PQI_DEVICE_REGISTERS_OFFSET + | |
4367 | readq(&pqi_registers->admin_oq_ci_offset); | |
4368 | ||
4369 | return 0; | |
4370 | } | |
4371 | ||
4372 | static void pqi_submit_admin_request(struct pqi_ctrl_info *ctrl_info, | |
4373 | struct pqi_general_admin_request *request) | |
4374 | { | |
4375 | struct pqi_admin_queues *admin_queues; | |
4376 | void *next_element; | |
4377 | pqi_index_t iq_pi; | |
4378 | ||
4379 | admin_queues = &ctrl_info->admin_queues; | |
4380 | iq_pi = admin_queues->iq_pi_copy; | |
4381 | ||
4382 | next_element = admin_queues->iq_element_array + | |
4383 | (iq_pi * PQI_ADMIN_IQ_ELEMENT_LENGTH); | |
4384 | ||
4385 | memcpy(next_element, request, sizeof(*request)); | |
4386 | ||
4387 | iq_pi = (iq_pi + 1) % PQI_ADMIN_IQ_NUM_ELEMENTS; | |
4388 | admin_queues->iq_pi_copy = iq_pi; | |
4389 | ||
4390 | /* | |
4391 | * This write notifies the controller that an IU is available to be | |
4392 | * processed. | |
4393 | */ | |
4394 | writel(iq_pi, admin_queues->iq_pi); | |
4395 | } | |
4396 | ||
13bede67 KB |
4397 | #define PQI_ADMIN_REQUEST_TIMEOUT_SECS 60 |
4398 | ||
6c223761 KB |
4399 | static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info, |
4400 | struct pqi_general_admin_response *response) | |
4401 | { | |
4402 | struct pqi_admin_queues *admin_queues; | |
4403 | pqi_index_t oq_pi; | |
4404 | pqi_index_t oq_ci; | |
4405 | unsigned long timeout; | |
4406 | ||
4407 | admin_queues = &ctrl_info->admin_queues; | |
4408 | oq_ci = admin_queues->oq_ci_copy; | |
4409 | ||
42dc0426 | 4410 | timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 KB |
4411 | |
4412 | while (1) { | |
dac12fbc | 4413 | oq_pi = readl(admin_queues->oq_pi); |
6c223761 KB |
4414 | if (oq_pi != oq_ci) |
4415 | break; | |
4416 | if (time_after(jiffies, timeout)) { | |
4417 | dev_err(&ctrl_info->pci_dev->dev, | |
4418 | "timed out waiting for admin response\n"); | |
4419 | return -ETIMEDOUT; | |
4420 | } | |
13bede67 KB |
4421 | if (!sis_is_firmware_running(ctrl_info)) |
4422 | return -ENXIO; | |
6c223761 KB |
4423 | usleep_range(1000, 2000); |
4424 | } | |
4425 | ||
4426 | memcpy(response, admin_queues->oq_element_array + | |
4427 | (oq_ci * PQI_ADMIN_OQ_ELEMENT_LENGTH), sizeof(*response)); | |
4428 | ||
4429 | oq_ci = (oq_ci + 1) % PQI_ADMIN_OQ_NUM_ELEMENTS; | |
4430 | admin_queues->oq_ci_copy = oq_ci; | |
4431 | writel(oq_ci, admin_queues->oq_ci); | |
4432 | ||
4433 | return 0; | |
4434 | } | |
4435 | ||
4436 | static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, | |
4437 | struct pqi_queue_group *queue_group, enum pqi_io_path path, | |
4438 | struct pqi_io_request *io_request) | |
4439 | { | |
4440 | struct pqi_io_request *next; | |
4441 | void *next_element; | |
4442 | pqi_index_t iq_pi; | |
4443 | pqi_index_t iq_ci; | |
4444 | size_t iu_length; | |
4445 | unsigned long flags; | |
4446 | unsigned int num_elements_needed; | |
4447 | unsigned int num_elements_to_end_of_queue; | |
4448 | size_t copy_count; | |
4449 | struct pqi_iu_header *request; | |
4450 | ||
4451 | spin_lock_irqsave(&queue_group->submit_lock[path], flags); | |
4452 | ||
376fb880 KB |
4453 | if (io_request) { |
4454 | io_request->queue_group = queue_group; | |
6c223761 KB |
4455 | list_add_tail(&io_request->request_list_entry, |
4456 | &queue_group->request_list[path]); | |
376fb880 | 4457 | } |
6c223761 KB |
4458 | |
4459 | iq_pi = queue_group->iq_pi_copy[path]; | |
4460 | ||
4461 | list_for_each_entry_safe(io_request, next, | |
4462 | &queue_group->request_list[path], request_list_entry) { | |
4463 | ||
4464 | request = io_request->iu; | |
4465 | ||
4466 | iu_length = get_unaligned_le16(&request->iu_length) + | |
4467 | PQI_REQUEST_HEADER_LENGTH; | |
4468 | num_elements_needed = | |
4469 | DIV_ROUND_UP(iu_length, | |
4470 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4471 | ||
dac12fbc | 4472 | iq_ci = readl(queue_group->iq_ci[path]); |
6c223761 KB |
4473 | |
4474 | if (num_elements_needed > pqi_num_elements_free(iq_pi, iq_ci, | |
4475 | ctrl_info->num_elements_per_iq)) | |
4476 | break; | |
4477 | ||
4478 | put_unaligned_le16(queue_group->oq_id, | |
4479 | &request->response_queue_id); | |
4480 | ||
4481 | next_element = queue_group->iq_element_array[path] + | |
4482 | (iq_pi * PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4483 | ||
4484 | num_elements_to_end_of_queue = | |
4485 | ctrl_info->num_elements_per_iq - iq_pi; | |
4486 | ||
4487 | if (num_elements_needed <= num_elements_to_end_of_queue) { | |
4488 | memcpy(next_element, request, iu_length); | |
4489 | } else { | |
4490 | copy_count = num_elements_to_end_of_queue * | |
4491 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH; | |
4492 | memcpy(next_element, request, copy_count); | |
4493 | memcpy(queue_group->iq_element_array[path], | |
4494 | (u8 *)request + copy_count, | |
4495 | iu_length - copy_count); | |
4496 | } | |
4497 | ||
4498 | iq_pi = (iq_pi + num_elements_needed) % | |
4499 | ctrl_info->num_elements_per_iq; | |
4500 | ||
4501 | list_del(&io_request->request_list_entry); | |
4502 | } | |
4503 | ||
4504 | if (iq_pi != queue_group->iq_pi_copy[path]) { | |
4505 | queue_group->iq_pi_copy[path] = iq_pi; | |
4506 | /* | |
4507 | * This write notifies the controller that one or more IUs are | |
4508 | * available to be processed. | |
4509 | */ | |
4510 | writel(iq_pi, queue_group->iq_pi[path]); | |
4511 | } | |
4512 | ||
4513 | spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); | |
4514 | } | |
4515 | ||
1f37e992 KB |
4516 | #define PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS 10 |
4517 | ||
4518 | static int pqi_wait_for_completion_io(struct pqi_ctrl_info *ctrl_info, | |
4519 | struct completion *wait) | |
4520 | { | |
4521 | int rc; | |
1f37e992 KB |
4522 | |
4523 | while (1) { | |
4524 | if (wait_for_completion_io_timeout(wait, | |
42dc0426 | 4525 | PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * HZ)) { |
1f37e992 KB |
4526 | rc = 0; |
4527 | break; | |
4528 | } | |
4529 | ||
4530 | pqi_check_ctrl_health(ctrl_info); | |
4531 | if (pqi_ctrl_offline(ctrl_info)) { | |
4532 | rc = -ENXIO; | |
4533 | break; | |
4534 | } | |
1f37e992 KB |
4535 | } |
4536 | ||
4537 | return rc; | |
4538 | } | |
4539 | ||
6c223761 KB |
4540 | static void pqi_raid_synchronous_complete(struct pqi_io_request *io_request, |
4541 | void *context) | |
4542 | { | |
4543 | struct completion *waiting = context; | |
4544 | ||
4545 | complete(waiting); | |
4546 | } | |
4547 | ||
694c5d5b KB |
4548 | static int pqi_process_raid_io_error_synchronous( |
4549 | struct pqi_raid_error_info *error_info) | |
26b390ab KB |
4550 | { |
4551 | int rc = -EIO; | |
4552 | ||
4553 | switch (error_info->data_out_result) { | |
4554 | case PQI_DATA_IN_OUT_GOOD: | |
4555 | if (error_info->status == SAM_STAT_GOOD) | |
4556 | rc = 0; | |
4557 | break; | |
4558 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
4559 | if (error_info->status == SAM_STAT_GOOD || | |
4560 | error_info->status == SAM_STAT_CHECK_CONDITION) | |
4561 | rc = 0; | |
4562 | break; | |
4563 | case PQI_DATA_IN_OUT_ABORTED: | |
4564 | rc = PQI_CMD_STATUS_ABORTED; | |
4565 | break; | |
4566 | } | |
4567 | ||
4568 | return rc; | |
4569 | } | |
4570 | ||
ae0c189d KB |
4571 | static inline bool pqi_is_blockable_request(struct pqi_iu_header *request) |
4572 | { | |
4573 | return (request->driver_flags & PQI_DRIVER_NONBLOCKABLE_REQUEST) == 0; | |
4574 | } | |
4575 | ||
6c223761 KB |
4576 | static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, |
4577 | struct pqi_iu_header *request, unsigned int flags, | |
ae0c189d | 4578 | struct pqi_raid_error_info *error_info) |
6c223761 | 4579 | { |
957c5ab1 | 4580 | int rc = 0; |
6c223761 | 4581 | struct pqi_io_request *io_request; |
6c223761 | 4582 | size_t iu_length; |
957c5ab1 | 4583 | DECLARE_COMPLETION_ONSTACK(wait); |
6c223761 | 4584 | |
6c223761 KB |
4585 | if (flags & PQI_SYNC_FLAGS_INTERRUPTABLE) { |
4586 | if (down_interruptible(&ctrl_info->sync_request_sem)) | |
4587 | return -ERESTARTSYS; | |
4588 | } else { | |
ae0c189d | 4589 | down(&ctrl_info->sync_request_sem); |
6c223761 KB |
4590 | } |
4591 | ||
7561a7e4 | 4592 | pqi_ctrl_busy(ctrl_info); |
ae0c189d KB |
4593 | /* |
4594 | * Wait for other admin queue updates such as; | |
4595 | * config table changes, OFA memory updates, ... | |
4596 | */ | |
4597 | if (pqi_is_blockable_request(request)) | |
4598 | pqi_wait_if_ctrl_blocked(ctrl_info); | |
7561a7e4 | 4599 | |
376fb880 KB |
4600 | if (pqi_ctrl_offline(ctrl_info)) { |
4601 | rc = -ENXIO; | |
4602 | goto out; | |
4603 | } | |
4604 | ||
b27ac2fa | 4605 | io_request = pqi_alloc_io_request(ctrl_info, NULL); |
6c223761 KB |
4606 | |
4607 | put_unaligned_le16(io_request->index, | |
4608 | &(((struct pqi_raid_path_request *)request)->request_id)); | |
4609 | ||
4610 | if (request->iu_type == PQI_REQUEST_IU_RAID_PATH_IO) | |
4611 | ((struct pqi_raid_path_request *)request)->error_index = | |
4612 | ((struct pqi_raid_path_request *)request)->request_id; | |
4613 | ||
4614 | iu_length = get_unaligned_le16(&request->iu_length) + | |
4615 | PQI_REQUEST_HEADER_LENGTH; | |
4616 | memcpy(io_request->iu, request, iu_length); | |
4617 | ||
957c5ab1 KB |
4618 | io_request->io_complete_callback = pqi_raid_synchronous_complete; |
4619 | io_request->context = &wait; | |
4620 | ||
583891c9 | 4621 | pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, |
957c5ab1 KB |
4622 | io_request); |
4623 | ||
ae0c189d | 4624 | pqi_wait_for_completion_io(ctrl_info, &wait); |
6c223761 KB |
4625 | |
4626 | if (error_info) { | |
4627 | if (io_request->error_info) | |
583891c9 | 4628 | memcpy(error_info, io_request->error_info, sizeof(*error_info)); |
6c223761 KB |
4629 | else |
4630 | memset(error_info, 0, sizeof(*error_info)); | |
4631 | } else if (rc == 0 && io_request->error_info) { | |
583891c9 | 4632 | rc = pqi_process_raid_io_error_synchronous(io_request->error_info); |
6c223761 KB |
4633 | } |
4634 | ||
4635 | pqi_free_io_request(io_request); | |
4636 | ||
7561a7e4 | 4637 | out: |
ae0c189d | 4638 | pqi_ctrl_unbusy(ctrl_info); |
6c223761 KB |
4639 | up(&ctrl_info->sync_request_sem); |
4640 | ||
4641 | return rc; | |
4642 | } | |
4643 | ||
4644 | static int pqi_validate_admin_response( | |
4645 | struct pqi_general_admin_response *response, u8 expected_function_code) | |
4646 | { | |
4647 | if (response->header.iu_type != PQI_RESPONSE_IU_GENERAL_ADMIN) | |
4648 | return -EINVAL; | |
4649 | ||
4650 | if (get_unaligned_le16(&response->header.iu_length) != | |
4651 | PQI_GENERAL_ADMIN_IU_LENGTH) | |
4652 | return -EINVAL; | |
4653 | ||
4654 | if (response->function_code != expected_function_code) | |
4655 | return -EINVAL; | |
4656 | ||
4657 | if (response->status != PQI_GENERAL_ADMIN_STATUS_SUCCESS) | |
4658 | return -EINVAL; | |
4659 | ||
4660 | return 0; | |
4661 | } | |
4662 | ||
4663 | static int pqi_submit_admin_request_synchronous( | |
4664 | struct pqi_ctrl_info *ctrl_info, | |
4665 | struct pqi_general_admin_request *request, | |
4666 | struct pqi_general_admin_response *response) | |
4667 | { | |
4668 | int rc; | |
4669 | ||
4670 | pqi_submit_admin_request(ctrl_info, request); | |
4671 | ||
4672 | rc = pqi_poll_for_admin_response(ctrl_info, response); | |
4673 | ||
4674 | if (rc == 0) | |
ae0c189d | 4675 | rc = pqi_validate_admin_response(response, request->function_code); |
6c223761 KB |
4676 | |
4677 | return rc; | |
4678 | } | |
4679 | ||
4680 | static int pqi_report_device_capability(struct pqi_ctrl_info *ctrl_info) | |
4681 | { | |
4682 | int rc; | |
4683 | struct pqi_general_admin_request request; | |
4684 | struct pqi_general_admin_response response; | |
4685 | struct pqi_device_capability *capability; | |
4686 | struct pqi_iu_layer_descriptor *sop_iu_layer_descriptor; | |
4687 | ||
4688 | capability = kmalloc(sizeof(*capability), GFP_KERNEL); | |
4689 | if (!capability) | |
4690 | return -ENOMEM; | |
4691 | ||
4692 | memset(&request, 0, sizeof(request)); | |
4693 | ||
4694 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4695 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4696 | &request.header.iu_length); | |
4697 | request.function_code = | |
4698 | PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY; | |
4699 | put_unaligned_le32(sizeof(*capability), | |
4700 | &request.data.report_device_capability.buffer_length); | |
4701 | ||
4702 | rc = pqi_map_single(ctrl_info->pci_dev, | |
4703 | &request.data.report_device_capability.sg_descriptor, | |
4704 | capability, sizeof(*capability), | |
6917a9cc | 4705 | DMA_FROM_DEVICE); |
6c223761 KB |
4706 | if (rc) |
4707 | goto out; | |
4708 | ||
583891c9 | 4709 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, &response); |
6c223761 KB |
4710 | |
4711 | pqi_pci_unmap(ctrl_info->pci_dev, | |
4712 | &request.data.report_device_capability.sg_descriptor, 1, | |
6917a9cc | 4713 | DMA_FROM_DEVICE); |
6c223761 KB |
4714 | |
4715 | if (rc) | |
4716 | goto out; | |
4717 | ||
4718 | if (response.status != PQI_GENERAL_ADMIN_STATUS_SUCCESS) { | |
4719 | rc = -EIO; | |
4720 | goto out; | |
4721 | } | |
4722 | ||
4723 | ctrl_info->max_inbound_queues = | |
4724 | get_unaligned_le16(&capability->max_inbound_queues); | |
4725 | ctrl_info->max_elements_per_iq = | |
4726 | get_unaligned_le16(&capability->max_elements_per_iq); | |
4727 | ctrl_info->max_iq_element_length = | |
4728 | get_unaligned_le16(&capability->max_iq_element_length) | |
4729 | * 16; | |
4730 | ctrl_info->max_outbound_queues = | |
4731 | get_unaligned_le16(&capability->max_outbound_queues); | |
4732 | ctrl_info->max_elements_per_oq = | |
4733 | get_unaligned_le16(&capability->max_elements_per_oq); | |
4734 | ctrl_info->max_oq_element_length = | |
4735 | get_unaligned_le16(&capability->max_oq_element_length) | |
4736 | * 16; | |
4737 | ||
4738 | sop_iu_layer_descriptor = | |
4739 | &capability->iu_layer_descriptors[PQI_PROTOCOL_SOP]; | |
4740 | ||
4741 | ctrl_info->max_inbound_iu_length_per_firmware = | |
4742 | get_unaligned_le16( | |
4743 | &sop_iu_layer_descriptor->max_inbound_iu_length); | |
4744 | ctrl_info->inbound_spanning_supported = | |
4745 | sop_iu_layer_descriptor->inbound_spanning_supported; | |
4746 | ctrl_info->outbound_spanning_supported = | |
4747 | sop_iu_layer_descriptor->outbound_spanning_supported; | |
4748 | ||
4749 | out: | |
4750 | kfree(capability); | |
4751 | ||
4752 | return rc; | |
4753 | } | |
4754 | ||
4755 | static int pqi_validate_device_capability(struct pqi_ctrl_info *ctrl_info) | |
4756 | { | |
4757 | if (ctrl_info->max_iq_element_length < | |
4758 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) { | |
4759 | dev_err(&ctrl_info->pci_dev->dev, | |
4760 | "max. inbound queue element length of %d is less than the required length of %d\n", | |
4761 | ctrl_info->max_iq_element_length, | |
4762 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4763 | return -EINVAL; | |
4764 | } | |
4765 | ||
4766 | if (ctrl_info->max_oq_element_length < | |
4767 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH) { | |
4768 | dev_err(&ctrl_info->pci_dev->dev, | |
4769 | "max. outbound queue element length of %d is less than the required length of %d\n", | |
4770 | ctrl_info->max_oq_element_length, | |
4771 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); | |
4772 | return -EINVAL; | |
4773 | } | |
4774 | ||
4775 | if (ctrl_info->max_inbound_iu_length_per_firmware < | |
4776 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) { | |
4777 | dev_err(&ctrl_info->pci_dev->dev, | |
4778 | "max. inbound IU length of %u is less than the min. required length of %d\n", | |
4779 | ctrl_info->max_inbound_iu_length_per_firmware, | |
4780 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4781 | return -EINVAL; | |
4782 | } | |
4783 | ||
77668f41 KB |
4784 | if (!ctrl_info->inbound_spanning_supported) { |
4785 | dev_err(&ctrl_info->pci_dev->dev, | |
4786 | "the controller does not support inbound spanning\n"); | |
4787 | return -EINVAL; | |
4788 | } | |
4789 | ||
4790 | if (ctrl_info->outbound_spanning_supported) { | |
4791 | dev_err(&ctrl_info->pci_dev->dev, | |
4792 | "the controller supports outbound spanning but this driver does not\n"); | |
4793 | return -EINVAL; | |
4794 | } | |
4795 | ||
6c223761 KB |
4796 | return 0; |
4797 | } | |
4798 | ||
6c223761 KB |
4799 | static int pqi_create_event_queue(struct pqi_ctrl_info *ctrl_info) |
4800 | { | |
4801 | int rc; | |
4802 | struct pqi_event_queue *event_queue; | |
4803 | struct pqi_general_admin_request request; | |
4804 | struct pqi_general_admin_response response; | |
4805 | ||
4806 | event_queue = &ctrl_info->event_queue; | |
4807 | ||
4808 | /* | |
4809 | * Create OQ (Outbound Queue - device to host queue) to dedicate | |
4810 | * to events. | |
4811 | */ | |
4812 | memset(&request, 0, sizeof(request)); | |
4813 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4814 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4815 | &request.header.iu_length); | |
4816 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ; | |
4817 | put_unaligned_le16(event_queue->oq_id, | |
4818 | &request.data.create_operational_oq.queue_id); | |
4819 | put_unaligned_le64((u64)event_queue->oq_element_array_bus_addr, | |
4820 | &request.data.create_operational_oq.element_array_addr); | |
4821 | put_unaligned_le64((u64)event_queue->oq_pi_bus_addr, | |
4822 | &request.data.create_operational_oq.pi_addr); | |
4823 | put_unaligned_le16(PQI_NUM_EVENT_QUEUE_ELEMENTS, | |
4824 | &request.data.create_operational_oq.num_elements); | |
4825 | put_unaligned_le16(PQI_EVENT_OQ_ELEMENT_LENGTH / 16, | |
4826 | &request.data.create_operational_oq.element_length); | |
4827 | request.data.create_operational_oq.queue_protocol = PQI_PROTOCOL_SOP; | |
4828 | put_unaligned_le16(event_queue->int_msg_num, | |
4829 | &request.data.create_operational_oq.int_msg_num); | |
4830 | ||
4831 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4832 | &response); | |
4833 | if (rc) | |
4834 | return rc; | |
4835 | ||
4836 | event_queue->oq_ci = ctrl_info->iomem_base + | |
4837 | PQI_DEVICE_REGISTERS_OFFSET + | |
4838 | get_unaligned_le64( | |
4839 | &response.data.create_operational_oq.oq_ci_offset); | |
4840 | ||
4841 | return 0; | |
4842 | } | |
4843 | ||
061ef06a KB |
4844 | static int pqi_create_queue_group(struct pqi_ctrl_info *ctrl_info, |
4845 | unsigned int group_number) | |
6c223761 | 4846 | { |
6c223761 KB |
4847 | int rc; |
4848 | struct pqi_queue_group *queue_group; | |
4849 | struct pqi_general_admin_request request; | |
4850 | struct pqi_general_admin_response response; | |
4851 | ||
061ef06a | 4852 | queue_group = &ctrl_info->queue_groups[group_number]; |
6c223761 KB |
4853 | |
4854 | /* | |
4855 | * Create IQ (Inbound Queue - host to device queue) for | |
4856 | * RAID path. | |
4857 | */ | |
4858 | memset(&request, 0, sizeof(request)); | |
4859 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4860 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4861 | &request.header.iu_length); | |
4862 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ; | |
4863 | put_unaligned_le16(queue_group->iq_id[RAID_PATH], | |
4864 | &request.data.create_operational_iq.queue_id); | |
4865 | put_unaligned_le64( | |
4866 | (u64)queue_group->iq_element_array_bus_addr[RAID_PATH], | |
4867 | &request.data.create_operational_iq.element_array_addr); | |
4868 | put_unaligned_le64((u64)queue_group->iq_ci_bus_addr[RAID_PATH], | |
4869 | &request.data.create_operational_iq.ci_addr); | |
4870 | put_unaligned_le16(ctrl_info->num_elements_per_iq, | |
4871 | &request.data.create_operational_iq.num_elements); | |
4872 | put_unaligned_le16(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH / 16, | |
4873 | &request.data.create_operational_iq.element_length); | |
4874 | request.data.create_operational_iq.queue_protocol = PQI_PROTOCOL_SOP; | |
4875 | ||
4876 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4877 | &response); | |
4878 | if (rc) { | |
4879 | dev_err(&ctrl_info->pci_dev->dev, | |
4880 | "error creating inbound RAID queue\n"); | |
4881 | return rc; | |
4882 | } | |
4883 | ||
4884 | queue_group->iq_pi[RAID_PATH] = ctrl_info->iomem_base + | |
4885 | PQI_DEVICE_REGISTERS_OFFSET + | |
4886 | get_unaligned_le64( | |
4887 | &response.data.create_operational_iq.iq_pi_offset); | |
4888 | ||
4889 | /* | |
4890 | * Create IQ (Inbound Queue - host to device queue) for | |
4891 | * Advanced I/O (AIO) path. | |
4892 | */ | |
4893 | memset(&request, 0, sizeof(request)); | |
4894 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4895 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4896 | &request.header.iu_length); | |
4897 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ; | |
4898 | put_unaligned_le16(queue_group->iq_id[AIO_PATH], | |
4899 | &request.data.create_operational_iq.queue_id); | |
4900 | put_unaligned_le64((u64)queue_group-> | |
4901 | iq_element_array_bus_addr[AIO_PATH], | |
4902 | &request.data.create_operational_iq.element_array_addr); | |
4903 | put_unaligned_le64((u64)queue_group->iq_ci_bus_addr[AIO_PATH], | |
4904 | &request.data.create_operational_iq.ci_addr); | |
4905 | put_unaligned_le16(ctrl_info->num_elements_per_iq, | |
4906 | &request.data.create_operational_iq.num_elements); | |
4907 | put_unaligned_le16(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH / 16, | |
4908 | &request.data.create_operational_iq.element_length); | |
4909 | request.data.create_operational_iq.queue_protocol = PQI_PROTOCOL_SOP; | |
4910 | ||
4911 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4912 | &response); | |
4913 | if (rc) { | |
4914 | dev_err(&ctrl_info->pci_dev->dev, | |
4915 | "error creating inbound AIO queue\n"); | |
339faa81 | 4916 | return rc; |
6c223761 KB |
4917 | } |
4918 | ||
4919 | queue_group->iq_pi[AIO_PATH] = ctrl_info->iomem_base + | |
4920 | PQI_DEVICE_REGISTERS_OFFSET + | |
4921 | get_unaligned_le64( | |
4922 | &response.data.create_operational_iq.iq_pi_offset); | |
4923 | ||
4924 | /* | |
4925 | * Designate the 2nd IQ as the AIO path. By default, all IQs are | |
4926 | * assumed to be for RAID path I/O unless we change the queue's | |
4927 | * property. | |
4928 | */ | |
4929 | memset(&request, 0, sizeof(request)); | |
4930 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4931 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4932 | &request.header.iu_length); | |
4933 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CHANGE_IQ_PROPERTY; | |
4934 | put_unaligned_le16(queue_group->iq_id[AIO_PATH], | |
4935 | &request.data.change_operational_iq_properties.queue_id); | |
4936 | put_unaligned_le32(PQI_IQ_PROPERTY_IS_AIO_QUEUE, | |
4937 | &request.data.change_operational_iq_properties.vendor_specific); | |
4938 | ||
4939 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4940 | &response); | |
4941 | if (rc) { | |
4942 | dev_err(&ctrl_info->pci_dev->dev, | |
4943 | "error changing queue property\n"); | |
339faa81 | 4944 | return rc; |
6c223761 KB |
4945 | } |
4946 | ||
4947 | /* | |
4948 | * Create OQ (Outbound Queue - device to host queue). | |
4949 | */ | |
4950 | memset(&request, 0, sizeof(request)); | |
4951 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4952 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4953 | &request.header.iu_length); | |
4954 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ; | |
4955 | put_unaligned_le16(queue_group->oq_id, | |
4956 | &request.data.create_operational_oq.queue_id); | |
4957 | put_unaligned_le64((u64)queue_group->oq_element_array_bus_addr, | |
4958 | &request.data.create_operational_oq.element_array_addr); | |
4959 | put_unaligned_le64((u64)queue_group->oq_pi_bus_addr, | |
4960 | &request.data.create_operational_oq.pi_addr); | |
4961 | put_unaligned_le16(ctrl_info->num_elements_per_oq, | |
4962 | &request.data.create_operational_oq.num_elements); | |
4963 | put_unaligned_le16(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH / 16, | |
4964 | &request.data.create_operational_oq.element_length); | |
4965 | request.data.create_operational_oq.queue_protocol = PQI_PROTOCOL_SOP; | |
4966 | put_unaligned_le16(queue_group->int_msg_num, | |
4967 | &request.data.create_operational_oq.int_msg_num); | |
4968 | ||
4969 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4970 | &response); | |
4971 | if (rc) { | |
4972 | dev_err(&ctrl_info->pci_dev->dev, | |
4973 | "error creating outbound queue\n"); | |
339faa81 | 4974 | return rc; |
6c223761 KB |
4975 | } |
4976 | ||
4977 | queue_group->oq_ci = ctrl_info->iomem_base + | |
4978 | PQI_DEVICE_REGISTERS_OFFSET + | |
4979 | get_unaligned_le64( | |
4980 | &response.data.create_operational_oq.oq_ci_offset); | |
4981 | ||
6c223761 | 4982 | return 0; |
6c223761 KB |
4983 | } |
4984 | ||
4985 | static int pqi_create_queues(struct pqi_ctrl_info *ctrl_info) | |
4986 | { | |
4987 | int rc; | |
4988 | unsigned int i; | |
4989 | ||
4990 | rc = pqi_create_event_queue(ctrl_info); | |
4991 | if (rc) { | |
4992 | dev_err(&ctrl_info->pci_dev->dev, | |
4993 | "error creating event queue\n"); | |
4994 | return rc; | |
4995 | } | |
4996 | ||
4997 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
061ef06a | 4998 | rc = pqi_create_queue_group(ctrl_info, i); |
6c223761 KB |
4999 | if (rc) { |
5000 | dev_err(&ctrl_info->pci_dev->dev, | |
5001 | "error creating queue group number %u/%u\n", | |
5002 | i, ctrl_info->num_queue_groups); | |
5003 | return rc; | |
5004 | } | |
5005 | } | |
5006 | ||
5007 | return 0; | |
5008 | } | |
5009 | ||
5010 | #define PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH \ | |
d67790dd | 5011 | struct_size_t(struct pqi_event_config, descriptors, PQI_MAX_EVENT_DESCRIPTORS) |
6c223761 | 5012 | |
6a50d6ad KB |
5013 | static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, |
5014 | bool enable_events) | |
6c223761 KB |
5015 | { |
5016 | int rc; | |
5017 | unsigned int i; | |
5018 | struct pqi_event_config *event_config; | |
6a50d6ad | 5019 | struct pqi_event_descriptor *event_descriptor; |
6c223761 KB |
5020 | struct pqi_general_management_request request; |
5021 | ||
5022 | event_config = kmalloc(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5023 | GFP_KERNEL); | |
5024 | if (!event_config) | |
5025 | return -ENOMEM; | |
5026 | ||
5027 | memset(&request, 0, sizeof(request)); | |
5028 | ||
5029 | request.header.iu_type = PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG; | |
5030 | put_unaligned_le16(offsetof(struct pqi_general_management_request, | |
5031 | data.report_event_configuration.sg_descriptors[1]) - | |
5032 | PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); | |
5033 | put_unaligned_le32(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5034 | &request.data.report_event_configuration.buffer_length); | |
5035 | ||
5036 | rc = pqi_map_single(ctrl_info->pci_dev, | |
5037 | request.data.report_event_configuration.sg_descriptors, | |
5038 | event_config, PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
6917a9cc | 5039 | DMA_FROM_DEVICE); |
6c223761 KB |
5040 | if (rc) |
5041 | goto out; | |
5042 | ||
ae0c189d | 5043 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 KB |
5044 | |
5045 | pqi_pci_unmap(ctrl_info->pci_dev, | |
5046 | request.data.report_event_configuration.sg_descriptors, 1, | |
6917a9cc | 5047 | DMA_FROM_DEVICE); |
6c223761 KB |
5048 | |
5049 | if (rc) | |
5050 | goto out; | |
5051 | ||
6a50d6ad KB |
5052 | for (i = 0; i < event_config->num_event_descriptors; i++) { |
5053 | event_descriptor = &event_config->descriptors[i]; | |
5054 | if (enable_events && | |
5055 | pqi_is_supported_event(event_descriptor->event_type)) | |
583891c9 | 5056 | put_unaligned_le16(ctrl_info->event_queue.oq_id, |
6a50d6ad KB |
5057 | &event_descriptor->oq_id); |
5058 | else | |
5059 | put_unaligned_le16(0, &event_descriptor->oq_id); | |
5060 | } | |
6c223761 KB |
5061 | |
5062 | memset(&request, 0, sizeof(request)); | |
5063 | ||
5064 | request.header.iu_type = PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG; | |
5065 | put_unaligned_le16(offsetof(struct pqi_general_management_request, | |
5066 | data.report_event_configuration.sg_descriptors[1]) - | |
5067 | PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); | |
5068 | put_unaligned_le32(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5069 | &request.data.report_event_configuration.buffer_length); | |
5070 | ||
5071 | rc = pqi_map_single(ctrl_info->pci_dev, | |
5072 | request.data.report_event_configuration.sg_descriptors, | |
5073 | event_config, PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
6917a9cc | 5074 | DMA_TO_DEVICE); |
6c223761 KB |
5075 | if (rc) |
5076 | goto out; | |
5077 | ||
ae0c189d | 5078 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 KB |
5079 | |
5080 | pqi_pci_unmap(ctrl_info->pci_dev, | |
5081 | request.data.report_event_configuration.sg_descriptors, 1, | |
6917a9cc | 5082 | DMA_TO_DEVICE); |
6c223761 KB |
5083 | |
5084 | out: | |
5085 | kfree(event_config); | |
5086 | ||
5087 | return rc; | |
5088 | } | |
5089 | ||
6a50d6ad KB |
5090 | static inline int pqi_enable_events(struct pqi_ctrl_info *ctrl_info) |
5091 | { | |
5092 | return pqi_configure_events(ctrl_info, true); | |
5093 | } | |
5094 | ||
6c223761 KB |
5095 | static void pqi_free_all_io_requests(struct pqi_ctrl_info *ctrl_info) |
5096 | { | |
5097 | unsigned int i; | |
5098 | struct device *dev; | |
5099 | size_t sg_chain_buffer_length; | |
5100 | struct pqi_io_request *io_request; | |
5101 | ||
5102 | if (!ctrl_info->io_request_pool) | |
5103 | return; | |
5104 | ||
5105 | dev = &ctrl_info->pci_dev->dev; | |
5106 | sg_chain_buffer_length = ctrl_info->sg_chain_buffer_length; | |
5107 | io_request = ctrl_info->io_request_pool; | |
5108 | ||
5109 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
5110 | kfree(io_request->iu); | |
5111 | if (!io_request->sg_chain_buffer) | |
5112 | break; | |
5113 | dma_free_coherent(dev, sg_chain_buffer_length, | |
5114 | io_request->sg_chain_buffer, | |
5115 | io_request->sg_chain_buffer_dma_handle); | |
5116 | io_request++; | |
5117 | } | |
5118 | ||
5119 | kfree(ctrl_info->io_request_pool); | |
5120 | ctrl_info->io_request_pool = NULL; | |
5121 | } | |
5122 | ||
5123 | static inline int pqi_alloc_error_buffer(struct pqi_ctrl_info *ctrl_info) | |
5124 | { | |
694c5d5b KB |
5125 | ctrl_info->error_buffer = dma_alloc_coherent(&ctrl_info->pci_dev->dev, |
5126 | ctrl_info->error_buffer_length, | |
5127 | &ctrl_info->error_buffer_dma_handle, | |
5128 | GFP_KERNEL); | |
6c223761 KB |
5129 | if (!ctrl_info->error_buffer) |
5130 | return -ENOMEM; | |
5131 | ||
5132 | return 0; | |
5133 | } | |
5134 | ||
5135 | static int pqi_alloc_io_resources(struct pqi_ctrl_info *ctrl_info) | |
5136 | { | |
5137 | unsigned int i; | |
5138 | void *sg_chain_buffer; | |
5139 | size_t sg_chain_buffer_length; | |
5140 | dma_addr_t sg_chain_buffer_dma_handle; | |
5141 | struct device *dev; | |
5142 | struct pqi_io_request *io_request; | |
5143 | ||
583891c9 KB |
5144 | ctrl_info->io_request_pool = kcalloc(ctrl_info->max_io_slots, |
5145 | sizeof(ctrl_info->io_request_pool[0]), GFP_KERNEL); | |
6c223761 KB |
5146 | |
5147 | if (!ctrl_info->io_request_pool) { | |
5148 | dev_err(&ctrl_info->pci_dev->dev, | |
5149 | "failed to allocate I/O request pool\n"); | |
5150 | goto error; | |
5151 | } | |
5152 | ||
5153 | dev = &ctrl_info->pci_dev->dev; | |
5154 | sg_chain_buffer_length = ctrl_info->sg_chain_buffer_length; | |
5155 | io_request = ctrl_info->io_request_pool; | |
5156 | ||
5157 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
583891c9 | 5158 | io_request->iu = kmalloc(ctrl_info->max_inbound_iu_length, GFP_KERNEL); |
6c223761 KB |
5159 | |
5160 | if (!io_request->iu) { | |
5161 | dev_err(&ctrl_info->pci_dev->dev, | |
5162 | "failed to allocate IU buffers\n"); | |
5163 | goto error; | |
5164 | } | |
5165 | ||
5166 | sg_chain_buffer = dma_alloc_coherent(dev, | |
5167 | sg_chain_buffer_length, &sg_chain_buffer_dma_handle, | |
5168 | GFP_KERNEL); | |
5169 | ||
5170 | if (!sg_chain_buffer) { | |
5171 | dev_err(&ctrl_info->pci_dev->dev, | |
5172 | "failed to allocate PQI scatter-gather chain buffers\n"); | |
5173 | goto error; | |
5174 | } | |
5175 | ||
5176 | io_request->index = i; | |
5177 | io_request->sg_chain_buffer = sg_chain_buffer; | |
583891c9 | 5178 | io_request->sg_chain_buffer_dma_handle = sg_chain_buffer_dma_handle; |
6c223761 KB |
5179 | io_request++; |
5180 | } | |
5181 | ||
5182 | return 0; | |
5183 | ||
5184 | error: | |
5185 | pqi_free_all_io_requests(ctrl_info); | |
5186 | ||
5187 | return -ENOMEM; | |
5188 | } | |
5189 | ||
5190 | /* | |
5191 | * Calculate required resources that are sized based on max. outstanding | |
5192 | * requests and max. transfer size. | |
5193 | */ | |
5194 | ||
5195 | static void pqi_calculate_io_resources(struct pqi_ctrl_info *ctrl_info) | |
5196 | { | |
5197 | u32 max_transfer_size; | |
5198 | u32 max_sg_entries; | |
5199 | ||
5200 | ctrl_info->scsi_ml_can_queue = | |
5201 | ctrl_info->max_outstanding_requests - PQI_RESERVED_IO_SLOTS; | |
5202 | ctrl_info->max_io_slots = ctrl_info->max_outstanding_requests; | |
5203 | ||
5204 | ctrl_info->error_buffer_length = | |
5205 | ctrl_info->max_io_slots * PQI_ERROR_BUFFER_ELEMENT_LENGTH; | |
5206 | ||
d727a776 KB |
5207 | if (reset_devices) |
5208 | max_transfer_size = min(ctrl_info->max_transfer_size, | |
5209 | PQI_MAX_TRANSFER_SIZE_KDUMP); | |
5210 | else | |
5211 | max_transfer_size = min(ctrl_info->max_transfer_size, | |
5212 | PQI_MAX_TRANSFER_SIZE); | |
6c223761 KB |
5213 | |
5214 | max_sg_entries = max_transfer_size / PAGE_SIZE; | |
5215 | ||
5216 | /* +1 to cover when the buffer is not page-aligned. */ | |
5217 | max_sg_entries++; | |
5218 | ||
5219 | max_sg_entries = min(ctrl_info->max_sg_entries, max_sg_entries); | |
5220 | ||
5221 | max_transfer_size = (max_sg_entries - 1) * PAGE_SIZE; | |
5222 | ||
5223 | ctrl_info->sg_chain_buffer_length = | |
e1d213bd KB |
5224 | (max_sg_entries * sizeof(struct pqi_sg_descriptor)) + |
5225 | PQI_EXTRA_SGL_MEMORY; | |
6c223761 KB |
5226 | ctrl_info->sg_tablesize = max_sg_entries; |
5227 | ctrl_info->max_sectors = max_transfer_size / 512; | |
5228 | } | |
5229 | ||
5230 | static void pqi_calculate_queue_resources(struct pqi_ctrl_info *ctrl_info) | |
5231 | { | |
6c223761 KB |
5232 | int num_queue_groups; |
5233 | u16 num_elements_per_iq; | |
5234 | u16 num_elements_per_oq; | |
5235 | ||
d727a776 KB |
5236 | if (reset_devices) { |
5237 | num_queue_groups = 1; | |
5238 | } else { | |
5239 | int num_cpus; | |
5240 | int max_queue_groups; | |
5241 | ||
5242 | max_queue_groups = min(ctrl_info->max_inbound_queues / 2, | |
5243 | ctrl_info->max_outbound_queues - 1); | |
5244 | max_queue_groups = min(max_queue_groups, PQI_MAX_QUEUE_GROUPS); | |
6c223761 | 5245 | |
d727a776 KB |
5246 | num_cpus = num_online_cpus(); |
5247 | num_queue_groups = min(num_cpus, ctrl_info->max_msix_vectors); | |
5248 | num_queue_groups = min(num_queue_groups, max_queue_groups); | |
5249 | } | |
6c223761 KB |
5250 | |
5251 | ctrl_info->num_queue_groups = num_queue_groups; | |
5252 | ||
77668f41 KB |
5253 | /* |
5254 | * Make sure that the max. inbound IU length is an even multiple | |
5255 | * of our inbound element length. | |
5256 | */ | |
5257 | ctrl_info->max_inbound_iu_length = | |
5258 | (ctrl_info->max_inbound_iu_length_per_firmware / | |
5259 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) * | |
5260 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH; | |
6c223761 KB |
5261 | |
5262 | num_elements_per_iq = | |
5263 | (ctrl_info->max_inbound_iu_length / | |
5264 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
5265 | ||
5266 | /* Add one because one element in each queue is unusable. */ | |
5267 | num_elements_per_iq++; | |
5268 | ||
5269 | num_elements_per_iq = min(num_elements_per_iq, | |
5270 | ctrl_info->max_elements_per_iq); | |
5271 | ||
5272 | num_elements_per_oq = ((num_elements_per_iq - 1) * 2) + 1; | |
5273 | num_elements_per_oq = min(num_elements_per_oq, | |
5274 | ctrl_info->max_elements_per_oq); | |
5275 | ||
5276 | ctrl_info->num_elements_per_iq = num_elements_per_iq; | |
5277 | ctrl_info->num_elements_per_oq = num_elements_per_oq; | |
5278 | ||
5279 | ctrl_info->max_sg_per_iu = | |
5280 | ((ctrl_info->max_inbound_iu_length - | |
5281 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / | |
5282 | sizeof(struct pqi_sg_descriptor)) + | |
5283 | PQI_MAX_EMBEDDED_SG_DESCRIPTORS; | |
6702d2c4 DB |
5284 | |
5285 | ctrl_info->max_sg_per_r56_iu = | |
5286 | ((ctrl_info->max_inbound_iu_length - | |
5287 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / | |
5288 | sizeof(struct pqi_sg_descriptor)) + | |
5289 | PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS; | |
6c223761 KB |
5290 | } |
5291 | ||
583891c9 KB |
5292 | static inline void pqi_set_sg_descriptor(struct pqi_sg_descriptor *sg_descriptor, |
5293 | struct scatterlist *sg) | |
6c223761 KB |
5294 | { |
5295 | u64 address = (u64)sg_dma_address(sg); | |
5296 | unsigned int length = sg_dma_len(sg); | |
5297 | ||
5298 | put_unaligned_le64(address, &sg_descriptor->address); | |
5299 | put_unaligned_le32(length, &sg_descriptor->length); | |
5300 | put_unaligned_le32(0, &sg_descriptor->flags); | |
5301 | } | |
5302 | ||
1a22bc4b DB |
5303 | static unsigned int pqi_build_sg_list(struct pqi_sg_descriptor *sg_descriptor, |
5304 | struct scatterlist *sg, int sg_count, struct pqi_io_request *io_request, | |
5305 | int max_sg_per_iu, bool *chained) | |
6c223761 KB |
5306 | { |
5307 | int i; | |
6c223761 | 5308 | unsigned int num_sg_in_iu; |
6c223761 | 5309 | |
1a22bc4b | 5310 | *chained = false; |
6c223761 | 5311 | i = 0; |
1a22bc4b DB |
5312 | num_sg_in_iu = 0; |
5313 | max_sg_per_iu--; /* Subtract 1 to leave room for chain marker. */ | |
6c223761 KB |
5314 | |
5315 | while (1) { | |
5316 | pqi_set_sg_descriptor(sg_descriptor, sg); | |
1a22bc4b | 5317 | if (!*chained) |
6c223761 KB |
5318 | num_sg_in_iu++; |
5319 | i++; | |
5320 | if (i == sg_count) | |
5321 | break; | |
5322 | sg_descriptor++; | |
5323 | if (i == max_sg_per_iu) { | |
1a22bc4b | 5324 | put_unaligned_le64((u64)io_request->sg_chain_buffer_dma_handle, |
6c223761 | 5325 | &sg_descriptor->address); |
1a22bc4b | 5326 | put_unaligned_le32((sg_count - num_sg_in_iu) * sizeof(*sg_descriptor), |
6c223761 | 5327 | &sg_descriptor->length); |
1a22bc4b DB |
5328 | put_unaligned_le32(CISS_SG_CHAIN, &sg_descriptor->flags); |
5329 | *chained = true; | |
6c223761 KB |
5330 | num_sg_in_iu++; |
5331 | sg_descriptor = io_request->sg_chain_buffer; | |
5332 | } | |
5333 | sg = sg_next(sg); | |
5334 | } | |
5335 | ||
5336 | put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); | |
6c223761 | 5337 | |
1a22bc4b | 5338 | return num_sg_in_iu; |
6c223761 KB |
5339 | } |
5340 | ||
6c223761 KB |
5341 | static int pqi_build_raid_sg_list(struct pqi_ctrl_info *ctrl_info, |
5342 | struct pqi_raid_path_request *request, struct scsi_cmnd *scmd, | |
6c223761 KB |
5343 | struct pqi_io_request *io_request) |
5344 | { | |
6c223761 KB |
5345 | u16 iu_length; |
5346 | int sg_count; | |
a60eec02 KB |
5347 | bool chained; |
5348 | unsigned int num_sg_in_iu; | |
6c223761 KB |
5349 | struct scatterlist *sg; |
5350 | struct pqi_sg_descriptor *sg_descriptor; | |
5351 | ||
5352 | sg_count = scsi_dma_map(scmd); | |
5353 | if (sg_count < 0) | |
5354 | return sg_count; | |
a60eec02 | 5355 | |
6c223761 | 5356 | iu_length = offsetof(struct pqi_raid_path_request, sg_descriptors) - |
a60eec02 | 5357 | PQI_REQUEST_HEADER_LENGTH; |
a60eec02 | 5358 | |
6c223761 KB |
5359 | if (sg_count == 0) |
5360 | goto out; | |
5361 | ||
a60eec02 KB |
5362 | sg = scsi_sglist(scmd); |
5363 | sg_descriptor = request->sg_descriptors; | |
a60eec02 | 5364 | |
1a22bc4b DB |
5365 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, |
5366 | ctrl_info->max_sg_per_iu, &chained); | |
6c223761 | 5367 | |
a60eec02 | 5368 | request->partial = chained; |
6c223761 | 5369 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); |
a60eec02 KB |
5370 | |
5371 | out: | |
6c223761 | 5372 | put_unaligned_le16(iu_length, &request->header.iu_length); |
6c223761 KB |
5373 | |
5374 | return 0; | |
5375 | } | |
5376 | ||
7a012c23 DB |
5377 | static int pqi_build_aio_r1_sg_list(struct pqi_ctrl_info *ctrl_info, |
5378 | struct pqi_aio_r1_path_request *request, struct scsi_cmnd *scmd, | |
5379 | struct pqi_io_request *io_request) | |
6c223761 | 5380 | { |
7a012c23 DB |
5381 | u16 iu_length; |
5382 | int sg_count; | |
5383 | bool chained; | |
5384 | unsigned int num_sg_in_iu; | |
5385 | struct scatterlist *sg; | |
5386 | struct pqi_sg_descriptor *sg_descriptor; | |
5387 | ||
5388 | sg_count = scsi_dma_map(scmd); | |
5389 | if (sg_count < 0) | |
5390 | return sg_count; | |
5391 | ||
5392 | iu_length = offsetof(struct pqi_aio_r1_path_request, sg_descriptors) - | |
5393 | PQI_REQUEST_HEADER_LENGTH; | |
5394 | num_sg_in_iu = 0; | |
5395 | ||
5396 | if (sg_count == 0) | |
5397 | goto out; | |
5398 | ||
5399 | sg = scsi_sglist(scmd); | |
5400 | sg_descriptor = request->sg_descriptors; | |
5401 | ||
5402 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, | |
5403 | ctrl_info->max_sg_per_iu, &chained); | |
5404 | ||
5405 | request->partial = chained; | |
5406 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); | |
5407 | ||
5408 | out: | |
5409 | put_unaligned_le16(iu_length, &request->header.iu_length); | |
5410 | request->num_sg_descriptors = num_sg_in_iu; | |
5411 | ||
5412 | return 0; | |
5413 | } | |
5414 | ||
6702d2c4 DB |
5415 | static int pqi_build_aio_r56_sg_list(struct pqi_ctrl_info *ctrl_info, |
5416 | struct pqi_aio_r56_path_request *request, struct scsi_cmnd *scmd, | |
5417 | struct pqi_io_request *io_request) | |
5418 | { | |
5419 | u16 iu_length; | |
5420 | int sg_count; | |
5421 | bool chained; | |
5422 | unsigned int num_sg_in_iu; | |
5423 | struct scatterlist *sg; | |
5424 | struct pqi_sg_descriptor *sg_descriptor; | |
5425 | ||
5426 | sg_count = scsi_dma_map(scmd); | |
5427 | if (sg_count < 0) | |
5428 | return sg_count; | |
5429 | ||
5430 | iu_length = offsetof(struct pqi_aio_r56_path_request, sg_descriptors) - | |
5431 | PQI_REQUEST_HEADER_LENGTH; | |
5432 | num_sg_in_iu = 0; | |
5433 | ||
5434 | if (sg_count != 0) { | |
5435 | sg = scsi_sglist(scmd); | |
5436 | sg_descriptor = request->sg_descriptors; | |
5437 | ||
5438 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, | |
5439 | ctrl_info->max_sg_per_r56_iu, &chained); | |
5440 | ||
5441 | request->partial = chained; | |
5442 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); | |
5443 | } | |
5444 | ||
5445 | put_unaligned_le16(iu_length, &request->header.iu_length); | |
5446 | request->num_sg_descriptors = num_sg_in_iu; | |
5447 | ||
5448 | return 0; | |
5449 | } | |
5450 | ||
6c223761 KB |
5451 | static int pqi_build_aio_sg_list(struct pqi_ctrl_info *ctrl_info, |
5452 | struct pqi_aio_path_request *request, struct scsi_cmnd *scmd, | |
5453 | struct pqi_io_request *io_request) | |
5454 | { | |
6c223761 KB |
5455 | u16 iu_length; |
5456 | int sg_count; | |
a60eec02 KB |
5457 | bool chained; |
5458 | unsigned int num_sg_in_iu; | |
6c223761 KB |
5459 | struct scatterlist *sg; |
5460 | struct pqi_sg_descriptor *sg_descriptor; | |
5461 | ||
5462 | sg_count = scsi_dma_map(scmd); | |
5463 | if (sg_count < 0) | |
5464 | return sg_count; | |
a60eec02 KB |
5465 | |
5466 | iu_length = offsetof(struct pqi_aio_path_request, sg_descriptors) - | |
5467 | PQI_REQUEST_HEADER_LENGTH; | |
5468 | num_sg_in_iu = 0; | |
5469 | ||
6c223761 KB |
5470 | if (sg_count == 0) |
5471 | goto out; | |
5472 | ||
a60eec02 KB |
5473 | sg = scsi_sglist(scmd); |
5474 | sg_descriptor = request->sg_descriptors; | |
a60eec02 | 5475 | |
1a22bc4b DB |
5476 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, |
5477 | ctrl_info->max_sg_per_iu, &chained); | |
6c223761 | 5478 | |
a60eec02 | 5479 | request->partial = chained; |
6c223761 | 5480 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); |
a60eec02 KB |
5481 | |
5482 | out: | |
6c223761 KB |
5483 | put_unaligned_le16(iu_length, &request->header.iu_length); |
5484 | request->num_sg_descriptors = num_sg_in_iu; | |
5485 | ||
5486 | return 0; | |
5487 | } | |
5488 | ||
5489 | static void pqi_raid_io_complete(struct pqi_io_request *io_request, | |
5490 | void *context) | |
5491 | { | |
5492 | struct scsi_cmnd *scmd; | |
5493 | ||
5494 | scmd = io_request->scmd; | |
5495 | pqi_free_io_request(io_request); | |
5496 | scsi_dma_unmap(scmd); | |
5497 | pqi_scsi_done(scmd); | |
5498 | } | |
5499 | ||
68f79204 | 5500 | static int pqi_raid_submit_io(struct pqi_ctrl_info *ctrl_info, |
6c223761 | 5501 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, |
68f79204 | 5502 | struct pqi_queue_group *queue_group, bool io_high_prio) |
6c223761 KB |
5503 | { |
5504 | int rc; | |
5505 | size_t cdb_length; | |
68f79204 | 5506 | struct pqi_io_request *io_request; |
6c223761 KB |
5507 | struct pqi_raid_path_request *request; |
5508 | ||
68f79204 GW |
5509 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5510 | if (!io_request) | |
5511 | return SCSI_MLQUEUE_HOST_BUSY; | |
5512 | ||
6c223761 KB |
5513 | io_request->io_complete_callback = pqi_raid_io_complete; |
5514 | io_request->scmd = scmd; | |
5515 | ||
6c223761 | 5516 | request = io_request->iu; |
583891c9 | 5517 | memset(request, 0, offsetof(struct pqi_raid_path_request, sg_descriptors)); |
6c223761 KB |
5518 | |
5519 | request->header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
5520 | put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); | |
5521 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
68f79204 | 5522 | request->command_priority = io_high_prio; |
6c223761 KB |
5523 | put_unaligned_le16(io_request->index, &request->request_id); |
5524 | request->error_index = request->request_id; | |
583891c9 | 5525 | memcpy(request->lun_number, device->scsi3addr, sizeof(request->lun_number)); |
904f2bfd | 5526 | request->ml_device_lun_number = (u8)scmd->device->lun; |
6c223761 KB |
5527 | |
5528 | cdb_length = min_t(size_t, scmd->cmd_len, sizeof(request->cdb)); | |
5529 | memcpy(request->cdb, scmd->cmnd, cdb_length); | |
5530 | ||
5531 | switch (cdb_length) { | |
5532 | case 6: | |
5533 | case 10: | |
5534 | case 12: | |
5535 | case 16: | |
583891c9 | 5536 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; |
6c223761 KB |
5537 | break; |
5538 | case 20: | |
583891c9 | 5539 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_4; |
6c223761 KB |
5540 | break; |
5541 | case 24: | |
583891c9 | 5542 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_8; |
6c223761 KB |
5543 | break; |
5544 | case 28: | |
583891c9 | 5545 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_12; |
6c223761 KB |
5546 | break; |
5547 | case 32: | |
5548 | default: | |
583891c9 | 5549 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_16; |
6c223761 KB |
5550 | break; |
5551 | } | |
5552 | ||
5553 | switch (scmd->sc_data_direction) { | |
69695aea | 5554 | case DMA_FROM_DEVICE: |
6c223761 KB |
5555 | request->data_direction = SOP_READ_FLAG; |
5556 | break; | |
69695aea | 5557 | case DMA_TO_DEVICE: |
6c223761 KB |
5558 | request->data_direction = SOP_WRITE_FLAG; |
5559 | break; | |
5560 | case DMA_NONE: | |
5561 | request->data_direction = SOP_NO_DIRECTION_FLAG; | |
5562 | break; | |
5563 | case DMA_BIDIRECTIONAL: | |
5564 | request->data_direction = SOP_BIDIRECTIONAL; | |
5565 | break; | |
5566 | default: | |
5567 | dev_err(&ctrl_info->pci_dev->dev, | |
5568 | "unknown data direction: %d\n", | |
5569 | scmd->sc_data_direction); | |
6c223761 KB |
5570 | break; |
5571 | } | |
5572 | ||
5573 | rc = pqi_build_raid_sg_list(ctrl_info, request, scmd, io_request); | |
5574 | if (rc) { | |
5575 | pqi_free_io_request(io_request); | |
5576 | return SCSI_MLQUEUE_HOST_BUSY; | |
5577 | } | |
5578 | ||
5579 | pqi_start_io(ctrl_info, queue_group, RAID_PATH, io_request); | |
5580 | ||
5581 | return 0; | |
5582 | } | |
5583 | ||
376fb880 KB |
5584 | static inline int pqi_raid_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
5585 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
5586 | struct pqi_queue_group *queue_group) | |
5587 | { | |
68f79204 | 5588 | bool io_high_prio; |
376fb880 | 5589 | |
68f79204 | 5590 | io_high_prio = pqi_is_io_high_priority(device, scmd); |
376fb880 | 5591 | |
68f79204 | 5592 | return pqi_raid_submit_io(ctrl_info, device, scmd, queue_group, io_high_prio); |
376fb880 KB |
5593 | } |
5594 | ||
376fb880 KB |
5595 | static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request) |
5596 | { | |
5597 | struct scsi_cmnd *scmd; | |
03b288cf | 5598 | struct pqi_scsi_dev *device; |
376fb880 KB |
5599 | struct pqi_ctrl_info *ctrl_info; |
5600 | ||
5601 | if (!io_request->raid_bypass) | |
5602 | return false; | |
5603 | ||
5604 | scmd = io_request->scmd; | |
5605 | if ((scmd->result & 0xff) == SAM_STAT_GOOD) | |
5606 | return false; | |
5607 | if (host_byte(scmd->result) == DID_NO_CONNECT) | |
5608 | return false; | |
5609 | ||
03b288cf | 5610 | device = scmd->device->hostdata; |
5be9db06 | 5611 | if (pqi_device_offline(device) || pqi_device_in_remove(device)) |
03b288cf KB |
5612 | return false; |
5613 | ||
376fb880 KB |
5614 | ctrl_info = shost_to_hba(scmd->device->host); |
5615 | if (pqi_ctrl_offline(ctrl_info)) | |
5616 | return false; | |
5617 | ||
5618 | return true; | |
5619 | } | |
5620 | ||
6c223761 KB |
5621 | static void pqi_aio_io_complete(struct pqi_io_request *io_request, |
5622 | void *context) | |
5623 | { | |
5624 | struct scsi_cmnd *scmd; | |
5625 | ||
5626 | scmd = io_request->scmd; | |
5627 | scsi_dma_unmap(scmd); | |
5be9db06 | 5628 | if (io_request->status == -EAGAIN || pqi_raid_bypass_retry_needed(io_request)) { |
6c223761 | 5629 | set_host_byte(scmd, DID_IMM_RETRY); |
c1ea387d | 5630 | pqi_cmd_priv(scmd)->this_residual++; |
376fb880 | 5631 | } |
5be9db06 | 5632 | |
6c223761 KB |
5633 | pqi_free_io_request(io_request); |
5634 | pqi_scsi_done(scmd); | |
5635 | } | |
5636 | ||
5637 | static inline int pqi_aio_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, | |
5638 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
5639 | struct pqi_queue_group *queue_group) | |
5640 | { | |
2a47834d GW |
5641 | bool io_high_prio; |
5642 | ||
68f79204 | 5643 | io_high_prio = pqi_is_io_high_priority(device, scmd); |
b4dc06a9 | 5644 | |
6c223761 | 5645 | return pqi_aio_submit_io(ctrl_info, scmd, device->aio_handle, |
2a47834d GW |
5646 | scmd->cmnd, scmd->cmd_len, queue_group, NULL, |
5647 | false, io_high_prio); | |
6c223761 KB |
5648 | } |
5649 | ||
5650 | static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, | |
5651 | struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, | |
5652 | unsigned int cdb_length, struct pqi_queue_group *queue_group, | |
2a47834d GW |
5653 | struct pqi_encryption_info *encryption_info, bool raid_bypass, |
5654 | bool io_high_prio) | |
6c223761 KB |
5655 | { |
5656 | int rc; | |
5657 | struct pqi_io_request *io_request; | |
5658 | struct pqi_aio_path_request *request; | |
5659 | ||
b27ac2fa DB |
5660 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5661 | if (!io_request) | |
5662 | return SCSI_MLQUEUE_HOST_BUSY; | |
68f79204 | 5663 | |
6c223761 KB |
5664 | io_request->io_complete_callback = pqi_aio_io_complete; |
5665 | io_request->scmd = scmd; | |
376fb880 | 5666 | io_request->raid_bypass = raid_bypass; |
6c223761 KB |
5667 | |
5668 | request = io_request->iu; | |
9e98e60b | 5669 | memset(request, 0, offsetof(struct pqi_aio_path_request, sg_descriptors)); |
6c223761 KB |
5670 | |
5671 | request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_IO; | |
5672 | put_unaligned_le32(aio_handle, &request->nexus_id); | |
5673 | put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); | |
5674 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
2a47834d | 5675 | request->command_priority = io_high_prio; |
6c223761 KB |
5676 | put_unaligned_le16(io_request->index, &request->request_id); |
5677 | request->error_index = request->request_id; | |
dad662c9 DS |
5678 | if (!raid_bypass && ctrl_info->multi_lun_device_supported) |
5679 | put_unaligned_le64(scmd->device->lun << 8, &request->lun_number); | |
6c223761 KB |
5680 | if (cdb_length > sizeof(request->cdb)) |
5681 | cdb_length = sizeof(request->cdb); | |
5682 | request->cdb_length = cdb_length; | |
5683 | memcpy(request->cdb, cdb, cdb_length); | |
5684 | ||
5685 | switch (scmd->sc_data_direction) { | |
5686 | case DMA_TO_DEVICE: | |
5687 | request->data_direction = SOP_READ_FLAG; | |
5688 | break; | |
5689 | case DMA_FROM_DEVICE: | |
5690 | request->data_direction = SOP_WRITE_FLAG; | |
5691 | break; | |
5692 | case DMA_NONE: | |
5693 | request->data_direction = SOP_NO_DIRECTION_FLAG; | |
5694 | break; | |
5695 | case DMA_BIDIRECTIONAL: | |
5696 | request->data_direction = SOP_BIDIRECTIONAL; | |
5697 | break; | |
5698 | default: | |
5699 | dev_err(&ctrl_info->pci_dev->dev, | |
5700 | "unknown data direction: %d\n", | |
5701 | scmd->sc_data_direction); | |
6c223761 KB |
5702 | break; |
5703 | } | |
5704 | ||
5705 | if (encryption_info) { | |
5706 | request->encryption_enable = true; | |
5707 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5708 | &request->data_encryption_key_index); | |
5709 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5710 | &request->encrypt_tweak_lower); | |
5711 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5712 | &request->encrypt_tweak_upper); | |
5713 | } | |
5714 | ||
5715 | rc = pqi_build_aio_sg_list(ctrl_info, request, scmd, io_request); | |
5716 | if (rc) { | |
5717 | pqi_free_io_request(io_request); | |
5718 | return SCSI_MLQUEUE_HOST_BUSY; | |
5719 | } | |
5720 | ||
5721 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5722 | ||
5723 | return 0; | |
5724 | } | |
5725 | ||
7a012c23 DB |
5726 | static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, |
5727 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
5728 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
5729 | struct pqi_scsi_dev_raid_map_data *rmd) | |
7a012c23 DB |
5730 | { |
5731 | int rc; | |
5732 | struct pqi_io_request *io_request; | |
5733 | struct pqi_aio_r1_path_request *r1_request; | |
5734 | ||
b27ac2fa DB |
5735 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5736 | if (!io_request) | |
5737 | return SCSI_MLQUEUE_HOST_BUSY; | |
5738 | ||
7a012c23 DB |
5739 | io_request->io_complete_callback = pqi_aio_io_complete; |
5740 | io_request->scmd = scmd; | |
5741 | io_request->raid_bypass = true; | |
5742 | ||
5743 | r1_request = io_request->iu; | |
5744 | memset(r1_request, 0, offsetof(struct pqi_aio_r1_path_request, sg_descriptors)); | |
5745 | ||
5746 | r1_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID1_IO; | |
7a012c23 DB |
5747 | put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r1_request->volume_id); |
5748 | r1_request->num_drives = rmd->num_it_nexus_entries; | |
5749 | put_unaligned_le32(rmd->it_nexus[0], &r1_request->it_nexus_1); | |
5750 | put_unaligned_le32(rmd->it_nexus[1], &r1_request->it_nexus_2); | |
5751 | if (rmd->num_it_nexus_entries == 3) | |
5752 | put_unaligned_le32(rmd->it_nexus[2], &r1_request->it_nexus_3); | |
5753 | ||
5754 | put_unaligned_le32(scsi_bufflen(scmd), &r1_request->data_length); | |
5755 | r1_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5756 | put_unaligned_le16(io_request->index, &r1_request->request_id); | |
5757 | r1_request->error_index = r1_request->request_id; | |
5758 | if (rmd->cdb_length > sizeof(r1_request->cdb)) | |
5759 | rmd->cdb_length = sizeof(r1_request->cdb); | |
5760 | r1_request->cdb_length = rmd->cdb_length; | |
5761 | memcpy(r1_request->cdb, rmd->cdb, rmd->cdb_length); | |
5762 | ||
5763 | /* The direction is always write. */ | |
5764 | r1_request->data_direction = SOP_READ_FLAG; | |
5765 | ||
5766 | if (encryption_info) { | |
5767 | r1_request->encryption_enable = true; | |
5768 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5769 | &r1_request->data_encryption_key_index); | |
5770 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5771 | &r1_request->encrypt_tweak_lower); | |
5772 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5773 | &r1_request->encrypt_tweak_upper); | |
5774 | } | |
5775 | ||
5776 | rc = pqi_build_aio_r1_sg_list(ctrl_info, r1_request, scmd, io_request); | |
5777 | if (rc) { | |
5778 | pqi_free_io_request(io_request); | |
5779 | return SCSI_MLQUEUE_HOST_BUSY; | |
5780 | } | |
5781 | ||
5782 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5783 | ||
5784 | return 0; | |
5785 | } | |
5786 | ||
6702d2c4 DB |
5787 | static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, |
5788 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
5789 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
5790 | struct pqi_scsi_dev_raid_map_data *rmd) | |
5791 | { | |
5792 | int rc; | |
5793 | struct pqi_io_request *io_request; | |
5794 | struct pqi_aio_r56_path_request *r56_request; | |
5795 | ||
b27ac2fa DB |
5796 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5797 | if (!io_request) | |
5798 | return SCSI_MLQUEUE_HOST_BUSY; | |
6702d2c4 DB |
5799 | io_request->io_complete_callback = pqi_aio_io_complete; |
5800 | io_request->scmd = scmd; | |
5801 | io_request->raid_bypass = true; | |
5802 | ||
5803 | r56_request = io_request->iu; | |
5804 | memset(r56_request, 0, offsetof(struct pqi_aio_r56_path_request, sg_descriptors)); | |
5805 | ||
5806 | if (device->raid_level == SA_RAID_5 || device->raid_level == SA_RAID_51) | |
5807 | r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID5_IO; | |
5808 | else | |
5809 | r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID6_IO; | |
5810 | ||
5811 | put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r56_request->volume_id); | |
5812 | put_unaligned_le32(rmd->aio_handle, &r56_request->data_it_nexus); | |
5813 | put_unaligned_le32(rmd->p_parity_it_nexus, &r56_request->p_parity_it_nexus); | |
5814 | if (rmd->raid_level == SA_RAID_6) { | |
5815 | put_unaligned_le32(rmd->q_parity_it_nexus, &r56_request->q_parity_it_nexus); | |
5816 | r56_request->xor_multiplier = rmd->xor_mult; | |
5817 | } | |
5818 | put_unaligned_le32(scsi_bufflen(scmd), &r56_request->data_length); | |
5819 | r56_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5820 | put_unaligned_le64(rmd->row, &r56_request->row); | |
5821 | ||
5822 | put_unaligned_le16(io_request->index, &r56_request->request_id); | |
5823 | r56_request->error_index = r56_request->request_id; | |
5824 | ||
5825 | if (rmd->cdb_length > sizeof(r56_request->cdb)) | |
5826 | rmd->cdb_length = sizeof(r56_request->cdb); | |
5827 | r56_request->cdb_length = rmd->cdb_length; | |
5828 | memcpy(r56_request->cdb, rmd->cdb, rmd->cdb_length); | |
5829 | ||
5830 | /* The direction is always write. */ | |
5831 | r56_request->data_direction = SOP_READ_FLAG; | |
5832 | ||
5833 | if (encryption_info) { | |
5834 | r56_request->encryption_enable = true; | |
5835 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5836 | &r56_request->data_encryption_key_index); | |
5837 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5838 | &r56_request->encrypt_tweak_lower); | |
5839 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5840 | &r56_request->encrypt_tweak_upper); | |
5841 | } | |
5842 | ||
5843 | rc = pqi_build_aio_r56_sg_list(ctrl_info, r56_request, scmd, io_request); | |
5844 | if (rc) { | |
5845 | pqi_free_io_request(io_request); | |
5846 | return SCSI_MLQUEUE_HOST_BUSY; | |
5847 | } | |
5848 | ||
5849 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5850 | ||
5851 | return 0; | |
5852 | } | |
5853 | ||
061ef06a KB |
5854 | static inline u16 pqi_get_hw_queue(struct pqi_ctrl_info *ctrl_info, |
5855 | struct scsi_cmnd *scmd) | |
5856 | { | |
b27ac2fa DB |
5857 | /* |
5858 | * We are setting host_tagset = 1 during init. | |
5859 | */ | |
5860 | return blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(scsi_cmd_to_rq(scmd))); | |
061ef06a KB |
5861 | } |
5862 | ||
5be9db06 KB |
5863 | static inline bool pqi_is_bypass_eligible_request(struct scsi_cmnd *scmd) |
5864 | { | |
12db0f93 | 5865 | if (blk_rq_is_passthrough(scsi_cmd_to_rq(scmd))) |
5be9db06 KB |
5866 | return false; |
5867 | ||
c1ea387d | 5868 | return pqi_cmd_priv(scmd)->this_residual == 0; |
5be9db06 KB |
5869 | } |
5870 | ||
7561a7e4 KB |
5871 | /* |
5872 | * This function gets called just before we hand the completed SCSI request | |
5873 | * back to the SML. | |
5874 | */ | |
5875 | ||
5876 | void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd) | |
5877 | { | |
5878 | struct pqi_scsi_dev *device; | |
153c45dd | 5879 | struct completion *wait; |
7561a7e4 | 5880 | |
1e46731e MR |
5881 | if (!scmd->device) { |
5882 | set_host_byte(scmd, DID_NO_CONNECT); | |
5883 | return; | |
5884 | } | |
5885 | ||
7561a7e4 | 5886 | device = scmd->device->hostdata; |
1e46731e MR |
5887 | if (!device) { |
5888 | set_host_byte(scmd, DID_NO_CONNECT); | |
5889 | return; | |
5890 | } | |
5891 | ||
904f2bfd | 5892 | atomic_dec(&device->scsi_cmds_outstanding[scmd->device->lun]); |
153c45dd KB |
5893 | |
5894 | wait = (struct completion *)xchg(&scmd->host_scribble, NULL); | |
5895 | if (wait != PQI_NO_COMPLETION) | |
5896 | complete(wait); | |
7561a7e4 KB |
5897 | } |
5898 | ||
c7ffedb3 | 5899 | static bool pqi_is_parity_write_stream(struct pqi_ctrl_info *ctrl_info, |
7d81d2b8 | 5900 | struct scsi_cmnd *scmd) |
c7ffedb3 DB |
5901 | { |
5902 | u32 oldest_jiffies; | |
5903 | u8 lru_index; | |
5904 | int i; | |
5905 | int rc; | |
5906 | struct pqi_scsi_dev *device; | |
5907 | struct pqi_stream_data *pqi_stream_data; | |
5908 | struct pqi_scsi_dev_raid_map_data rmd; | |
5909 | ||
5910 | if (!ctrl_info->enable_stream_detection) | |
5911 | return false; | |
5912 | ||
5913 | rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); | |
5914 | if (rc) | |
5915 | return false; | |
5916 | ||
5917 | /* Check writes only. */ | |
5918 | if (!rmd.is_write) | |
5919 | return false; | |
5920 | ||
5921 | device = scmd->device->hostdata; | |
5922 | ||
5923 | /* Check for RAID 5/6 streams. */ | |
5924 | if (device->raid_level != SA_RAID_5 && device->raid_level != SA_RAID_6) | |
5925 | return false; | |
5926 | ||
5927 | /* | |
5928 | * If controller does not support AIO RAID{5,6} writes, need to send | |
5929 | * requests down non-AIO path. | |
5930 | */ | |
5931 | if ((device->raid_level == SA_RAID_5 && !ctrl_info->enable_r5_writes) || | |
5932 | (device->raid_level == SA_RAID_6 && !ctrl_info->enable_r6_writes)) | |
5933 | return true; | |
5934 | ||
5935 | lru_index = 0; | |
5936 | oldest_jiffies = INT_MAX; | |
5937 | for (i = 0; i < NUM_STREAMS_PER_LUN; i++) { | |
5938 | pqi_stream_data = &device->stream_data[i]; | |
5939 | /* | |
5940 | * Check for adjacent request or request is within | |
5941 | * the previous request. | |
5942 | */ | |
5943 | if ((pqi_stream_data->next_lba && | |
5944 | rmd.first_block >= pqi_stream_data->next_lba) && | |
5945 | rmd.first_block <= pqi_stream_data->next_lba + | |
5946 | rmd.block_cnt) { | |
5947 | pqi_stream_data->next_lba = rmd.first_block + | |
5948 | rmd.block_cnt; | |
5949 | pqi_stream_data->last_accessed = jiffies; | |
5950 | return true; | |
5951 | } | |
5952 | ||
5953 | /* unused entry */ | |
5954 | if (pqi_stream_data->last_accessed == 0) { | |
5955 | lru_index = i; | |
5956 | break; | |
5957 | } | |
5958 | ||
5959 | /* Find entry with oldest last accessed time. */ | |
5960 | if (pqi_stream_data->last_accessed <= oldest_jiffies) { | |
5961 | oldest_jiffies = pqi_stream_data->last_accessed; | |
5962 | lru_index = i; | |
5963 | } | |
5964 | } | |
5965 | ||
5966 | /* Set LRU entry. */ | |
5967 | pqi_stream_data = &device->stream_data[lru_index]; | |
5968 | pqi_stream_data->last_accessed = jiffies; | |
5969 | pqi_stream_data->next_lba = rmd.first_block + rmd.block_cnt; | |
5970 | ||
5971 | return false; | |
5972 | } | |
5973 | ||
5974 | static int pqi_scsi_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) | |
6c223761 KB |
5975 | { |
5976 | int rc; | |
5977 | struct pqi_ctrl_info *ctrl_info; | |
5978 | struct pqi_scsi_dev *device; | |
061ef06a | 5979 | u16 hw_queue; |
6c223761 KB |
5980 | struct pqi_queue_group *queue_group; |
5981 | bool raid_bypassed; | |
153c45dd KB |
5982 | u8 lun; |
5983 | ||
5984 | scmd->host_scribble = PQI_NO_COMPLETION; | |
6c223761 KB |
5985 | |
5986 | device = scmd->device->hostdata; | |
6c223761 | 5987 | |
1e46731e MR |
5988 | if (!device) { |
5989 | set_host_byte(scmd, DID_NO_CONNECT); | |
5990 | pqi_scsi_done(scmd); | |
5991 | return 0; | |
5992 | } | |
5993 | ||
153c45dd KB |
5994 | lun = (u8)scmd->device->lun; |
5995 | ||
5996 | atomic_inc(&device->scsi_cmds_outstanding[lun]); | |
7561a7e4 | 5997 | |
583891c9 KB |
5998 | ctrl_info = shost_to_hba(shost); |
5999 | ||
1bdf6e93 | 6000 | if (pqi_ctrl_offline(ctrl_info) || pqi_device_in_remove(device)) { |
6c223761 KB |
6001 | set_host_byte(scmd, DID_NO_CONNECT); |
6002 | pqi_scsi_done(scmd); | |
6003 | return 0; | |
6004 | } | |
6005 | ||
153c45dd | 6006 | if (pqi_ctrl_blocked(ctrl_info) || pqi_device_in_reset(device, lun)) { |
7561a7e4 KB |
6007 | rc = SCSI_MLQUEUE_HOST_BUSY; |
6008 | goto out; | |
6009 | } | |
6010 | ||
7d81d2b8 KB |
6011 | /* |
6012 | * This is necessary because the SML doesn't zero out this field during | |
6013 | * error recovery. | |
6014 | */ | |
6015 | scmd->result = 0; | |
6016 | ||
061ef06a KB |
6017 | hw_queue = pqi_get_hw_queue(ctrl_info, scmd); |
6018 | queue_group = &ctrl_info->queue_groups[hw_queue]; | |
6c223761 KB |
6019 | |
6020 | if (pqi_is_logical_device(device)) { | |
6021 | raid_bypassed = false; | |
588a63fe | 6022 | if (device->raid_bypass_enabled && |
5be9db06 KB |
6023 | pqi_is_bypass_eligible_request(scmd) && |
6024 | !pqi_is_parity_write_stream(ctrl_info, scmd)) { | |
6025 | rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); | |
8b664fef | 6026 | if (rc == 0 || rc == SCSI_MLQUEUE_HOST_BUSY) { |
376fb880 | 6027 | raid_bypassed = true; |
80d560d9 | 6028 | device->raid_bypass_cnt++; |
8b664fef | 6029 | } |
6c223761 KB |
6030 | } |
6031 | if (!raid_bypassed) | |
8b664fef | 6032 | rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 KB |
6033 | } else { |
6034 | if (device->aio_enabled) | |
8b664fef | 6035 | rc = pqi_aio_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 | 6036 | else |
8b664fef | 6037 | rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 KB |
6038 | } |
6039 | ||
7561a7e4 | 6040 | out: |
153c45dd KB |
6041 | if (rc) { |
6042 | scmd->host_scribble = NULL; | |
6043 | atomic_dec(&device->scsi_cmds_outstanding[lun]); | |
6044 | } | |
7561a7e4 | 6045 | |
6c223761 KB |
6046 | return rc; |
6047 | } | |
6048 | ||
6ce1ddf5 | 6049 | static unsigned int pqi_queued_io_count(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 6050 | { |
6ce1ddf5 | 6051 | unsigned int i; |
7561a7e4 KB |
6052 | unsigned int path; |
6053 | unsigned long flags; | |
6ce1ddf5 KB |
6054 | unsigned int queued_io_count; |
6055 | struct pqi_queue_group *queue_group; | |
6056 | struct pqi_io_request *io_request; | |
7561a7e4 | 6057 | |
6ce1ddf5 KB |
6058 | queued_io_count = 0; |
6059 | ||
6060 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
6061 | queue_group = &ctrl_info->queue_groups[i]; | |
6062 | for (path = 0; path < 2; path++) { | |
6063 | spin_lock_irqsave(&queue_group->submit_lock[path], flags); | |
6064 | list_for_each_entry(io_request, &queue_group->request_list[path], request_list_entry) | |
6065 | queued_io_count++; | |
6066 | spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); | |
7561a7e4 KB |
6067 | } |
6068 | } | |
6069 | ||
6ce1ddf5 | 6070 | return queued_io_count; |
7561a7e4 KB |
6071 | } |
6072 | ||
6ce1ddf5 | 6073 | static unsigned int pqi_nonempty_inbound_queue_count(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 6074 | { |
7561a7e4 KB |
6075 | unsigned int i; |
6076 | unsigned int path; | |
6ce1ddf5 | 6077 | unsigned int nonempty_inbound_queue_count; |
7561a7e4 KB |
6078 | struct pqi_queue_group *queue_group; |
6079 | pqi_index_t iq_pi; | |
6080 | pqi_index_t iq_ci; | |
6081 | ||
6ce1ddf5 KB |
6082 | nonempty_inbound_queue_count = 0; |
6083 | ||
7561a7e4 KB |
6084 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { |
6085 | queue_group = &ctrl_info->queue_groups[i]; | |
7561a7e4 KB |
6086 | for (path = 0; path < 2; path++) { |
6087 | iq_pi = queue_group->iq_pi_copy[path]; | |
6ce1ddf5 KB |
6088 | iq_ci = readl(queue_group->iq_ci[path]); |
6089 | if (iq_ci != iq_pi) | |
6090 | nonempty_inbound_queue_count++; | |
6091 | } | |
6092 | } | |
7561a7e4 | 6093 | |
6ce1ddf5 KB |
6094 | return nonempty_inbound_queue_count; |
6095 | } | |
6096 | ||
6097 | #define PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS 10 | |
6098 | ||
6099 | static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) | |
6100 | { | |
6101 | unsigned long start_jiffies; | |
6102 | unsigned long warning_timeout; | |
6103 | unsigned int queued_io_count; | |
6104 | unsigned int nonempty_inbound_queue_count; | |
6105 | bool displayed_warning; | |
6106 | ||
6107 | displayed_warning = false; | |
6108 | start_jiffies = jiffies; | |
42dc0426 | 6109 | warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
6ce1ddf5 KB |
6110 | |
6111 | while (1) { | |
6112 | queued_io_count = pqi_queued_io_count(ctrl_info); | |
6113 | nonempty_inbound_queue_count = pqi_nonempty_inbound_queue_count(ctrl_info); | |
6114 | if (queued_io_count == 0 && nonempty_inbound_queue_count == 0) | |
6115 | break; | |
6116 | pqi_check_ctrl_health(ctrl_info); | |
6117 | if (pqi_ctrl_offline(ctrl_info)) | |
6118 | return -ENXIO; | |
6119 | if (time_after(jiffies, warning_timeout)) { | |
6120 | dev_warn(&ctrl_info->pci_dev->dev, | |
6121 | "waiting %u seconds for queued I/O to drain (queued I/O count: %u; non-empty inbound queue count: %u)\n", | |
6122 | jiffies_to_msecs(jiffies - start_jiffies) / 1000, queued_io_count, nonempty_inbound_queue_count); | |
6123 | displayed_warning = true; | |
42dc0426 | 6124 | warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
7561a7e4 | 6125 | } |
6ce1ddf5 | 6126 | usleep_range(1000, 2000); |
7561a7e4 KB |
6127 | } |
6128 | ||
6ce1ddf5 KB |
6129 | if (displayed_warning) |
6130 | dev_warn(&ctrl_info->pci_dev->dev, | |
6131 | "queued I/O drained after waiting for %u seconds\n", | |
6132 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
6133 | ||
7561a7e4 KB |
6134 | return 0; |
6135 | } | |
6136 | ||
6137 | static void pqi_fail_io_queued_for_device(struct pqi_ctrl_info *ctrl_info, | |
153c45dd | 6138 | struct pqi_scsi_dev *device, u8 lun) |
7561a7e4 KB |
6139 | { |
6140 | unsigned int i; | |
6141 | unsigned int path; | |
6142 | struct pqi_queue_group *queue_group; | |
6143 | unsigned long flags; | |
6144 | struct pqi_io_request *io_request; | |
6145 | struct pqi_io_request *next; | |
6146 | struct scsi_cmnd *scmd; | |
6147 | struct pqi_scsi_dev *scsi_device; | |
6148 | ||
6149 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
6150 | queue_group = &ctrl_info->queue_groups[i]; | |
6151 | ||
6152 | for (path = 0; path < 2; path++) { | |
6153 | spin_lock_irqsave( | |
6154 | &queue_group->submit_lock[path], flags); | |
6155 | ||
6156 | list_for_each_entry_safe(io_request, next, | |
6157 | &queue_group->request_list[path], | |
6158 | request_list_entry) { | |
583891c9 | 6159 | |
7561a7e4 KB |
6160 | scmd = io_request->scmd; |
6161 | if (!scmd) | |
6162 | continue; | |
6163 | ||
6164 | scsi_device = scmd->device->hostdata; | |
6165 | if (scsi_device != device) | |
6166 | continue; | |
6167 | ||
153c45dd KB |
6168 | if ((u8)scmd->device->lun != lun) |
6169 | continue; | |
6170 | ||
7561a7e4 KB |
6171 | list_del(&io_request->request_list_entry); |
6172 | set_host_byte(scmd, DID_RESET); | |
b622a601 MB |
6173 | pqi_free_io_request(io_request); |
6174 | scsi_dma_unmap(scmd); | |
7561a7e4 KB |
6175 | pqi_scsi_done(scmd); |
6176 | } | |
6177 | ||
6178 | spin_unlock_irqrestore( | |
6179 | &queue_group->submit_lock[path], flags); | |
6180 | } | |
6181 | } | |
6182 | } | |
6183 | ||
18ff5f08 | 6184 | #define PQI_PENDING_IO_WARNING_TIMEOUT_SECS 10 |
4fd22c13 | 6185 | |
061ef06a | 6186 | static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, |
904f2bfd | 6187 | struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs) |
061ef06a | 6188 | { |
18ff5f08 KB |
6189 | int cmds_outstanding; |
6190 | unsigned long start_jiffies; | |
6191 | unsigned long warning_timeout; | |
6192 | unsigned long msecs_waiting; | |
1e46731e | 6193 | |
18ff5f08 | 6194 | start_jiffies = jiffies; |
42dc0426 | 6195 | warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
1e46731e | 6196 | |
904f2bfd | 6197 | while ((cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun])) > 0) { |
331f7e99 SB |
6198 | if (ctrl_info->ctrl_removal_state != PQI_CTRL_GRACEFUL_REMOVAL) { |
6199 | pqi_check_ctrl_health(ctrl_info); | |
6200 | if (pqi_ctrl_offline(ctrl_info)) | |
6201 | return -ENXIO; | |
6202 | } | |
18ff5f08 | 6203 | msecs_waiting = jiffies_to_msecs(jiffies - start_jiffies); |
6ce1ddf5 | 6204 | if (msecs_waiting >= timeout_msecs) { |
18ff5f08 KB |
6205 | dev_err(&ctrl_info->pci_dev->dev, |
6206 | "scsi %d:%d:%d:%d: timed out after %lu seconds waiting for %d outstanding command(s)\n", | |
6207 | ctrl_info->scsi_host->host_no, device->bus, device->target, | |
904f2bfd | 6208 | lun, msecs_waiting / 1000, cmds_outstanding); |
18ff5f08 | 6209 | return -ETIMEDOUT; |
061ef06a | 6210 | } |
18ff5f08 KB |
6211 | if (time_after(jiffies, warning_timeout)) { |
6212 | dev_warn(&ctrl_info->pci_dev->dev, | |
6213 | "scsi %d:%d:%d:%d: waiting %lu seconds for %d outstanding command(s)\n", | |
6214 | ctrl_info->scsi_host->host_no, device->bus, device->target, | |
904f2bfd | 6215 | lun, msecs_waiting / 1000, cmds_outstanding); |
42dc0426 | 6216 | warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
4fd22c13 | 6217 | } |
061ef06a KB |
6218 | usleep_range(1000, 2000); |
6219 | } | |
6220 | ||
6221 | return 0; | |
6222 | } | |
6223 | ||
14bb215d KB |
6224 | static void pqi_lun_reset_complete(struct pqi_io_request *io_request, |
6225 | void *context) | |
6c223761 | 6226 | { |
14bb215d | 6227 | struct completion *waiting = context; |
6c223761 | 6228 | |
14bb215d KB |
6229 | complete(waiting); |
6230 | } | |
6c223761 | 6231 | |
c2922f17 | 6232 | #define PQI_LUN_RESET_POLL_COMPLETION_SECS 10 |
14bb215d KB |
6233 | |
6234 | static int pqi_wait_for_lun_reset_completion(struct pqi_ctrl_info *ctrl_info, | |
904f2bfd | 6235 | struct pqi_scsi_dev *device, u8 lun, struct completion *wait) |
14bb215d KB |
6236 | { |
6237 | int rc; | |
18ff5f08 | 6238 | unsigned int wait_secs; |
6ce1ddf5 | 6239 | int cmds_outstanding; |
18ff5f08 KB |
6240 | |
6241 | wait_secs = 0; | |
14bb215d KB |
6242 | |
6243 | while (1) { | |
6244 | if (wait_for_completion_io_timeout(wait, | |
42dc0426 | 6245 | PQI_LUN_RESET_POLL_COMPLETION_SECS * HZ)) { |
14bb215d KB |
6246 | rc = 0; |
6247 | break; | |
6c223761 KB |
6248 | } |
6249 | ||
14bb215d KB |
6250 | pqi_check_ctrl_health(ctrl_info); |
6251 | if (pqi_ctrl_offline(ctrl_info)) { | |
4e8415e3 | 6252 | rc = -ENXIO; |
14bb215d KB |
6253 | break; |
6254 | } | |
18ff5f08 KB |
6255 | |
6256 | wait_secs += PQI_LUN_RESET_POLL_COMPLETION_SECS; | |
904f2bfd | 6257 | cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun]); |
18ff5f08 | 6258 | dev_warn(&ctrl_info->pci_dev->dev, |
6ce1ddf5 | 6259 | "scsi %d:%d:%d:%d: waiting %u seconds for LUN reset to complete (%d command(s) outstanding)\n", |
904f2bfd | 6260 | ctrl_info->scsi_host->host_no, device->bus, device->target, lun, wait_secs, cmds_outstanding); |
6c223761 | 6261 | } |
6c223761 | 6262 | |
14bb215d | 6263 | return rc; |
6c223761 KB |
6264 | } |
6265 | ||
18ff5f08 KB |
6266 | #define PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS 30 |
6267 | ||
153c45dd | 6268 | static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) |
6c223761 KB |
6269 | { |
6270 | int rc; | |
6271 | struct pqi_io_request *io_request; | |
6272 | DECLARE_COMPLETION_ONSTACK(wait); | |
6273 | struct pqi_task_management_request *request; | |
6274 | ||
b27ac2fa | 6275 | io_request = pqi_alloc_io_request(ctrl_info, NULL); |
14bb215d | 6276 | io_request->io_complete_callback = pqi_lun_reset_complete; |
6c223761 KB |
6277 | io_request->context = &wait; |
6278 | ||
6279 | request = io_request->iu; | |
6280 | memset(request, 0, sizeof(*request)); | |
6281 | ||
6282 | request->header.iu_type = PQI_REQUEST_IU_TASK_MANAGEMENT; | |
6283 | put_unaligned_le16(sizeof(*request) - PQI_REQUEST_HEADER_LENGTH, | |
6284 | &request->header.iu_length); | |
6285 | put_unaligned_le16(io_request->index, &request->request_id); | |
6286 | memcpy(request->lun_number, device->scsi3addr, | |
6287 | sizeof(request->lun_number)); | |
904f2bfd | 6288 | if (!pqi_is_logical_device(device) && ctrl_info->multi_lun_device_supported) |
153c45dd | 6289 | request->ml_device_lun_number = lun; |
6c223761 | 6290 | request->task_management_function = SOP_TASK_MANAGEMENT_LUN_RESET; |
c2922f17 | 6291 | if (ctrl_info->tmf_iu_timeout_supported) |
18ff5f08 | 6292 | put_unaligned_le16(PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS, &request->timeout); |
6c223761 | 6293 | |
583891c9 | 6294 | pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, |
6c223761 KB |
6295 | io_request); |
6296 | ||
153c45dd | 6297 | rc = pqi_wait_for_lun_reset_completion(ctrl_info, device, lun, &wait); |
14bb215d | 6298 | if (rc == 0) |
6c223761 | 6299 | rc = io_request->status; |
6c223761 KB |
6300 | |
6301 | pqi_free_io_request(io_request); | |
6c223761 KB |
6302 | |
6303 | return rc; | |
6304 | } | |
6305 | ||
18ff5f08 KB |
6306 | #define PQI_LUN_RESET_RETRIES 3 |
6307 | #define PQI_LUN_RESET_RETRY_INTERVAL_MSECS (10 * 1000) | |
6308 | #define PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS (10 * 60 * 1000) | |
6309 | #define PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS (2 * 60 * 1000) | |
6c223761 | 6310 | |
153c45dd | 6311 | static int pqi_lun_reset_with_retries(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) |
6c223761 | 6312 | { |
18ff5f08 KB |
6313 | int reset_rc; |
6314 | int wait_rc; | |
3406384b | 6315 | unsigned int retries; |
18ff5f08 | 6316 | unsigned long timeout_msecs; |
6c223761 | 6317 | |
3406384b | 6318 | for (retries = 0;;) { |
153c45dd KB |
6319 | reset_rc = pqi_lun_reset(ctrl_info, device, lun); |
6320 | if (reset_rc == 0 || reset_rc == -ENODEV || reset_rc == -ENXIO || ++retries > PQI_LUN_RESET_RETRIES) | |
3406384b MR |
6321 | break; |
6322 | msleep(PQI_LUN_RESET_RETRY_INTERVAL_MSECS); | |
6323 | } | |
429fab70 | 6324 | |
18ff5f08 KB |
6325 | timeout_msecs = reset_rc ? PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS : |
6326 | PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS; | |
4fd22c13 | 6327 | |
153c45dd | 6328 | wait_rc = pqi_device_wait_for_pending_io(ctrl_info, device, lun, timeout_msecs); |
18ff5f08 KB |
6329 | if (wait_rc && reset_rc == 0) |
6330 | reset_rc = wait_rc; | |
6c223761 | 6331 | |
18ff5f08 | 6332 | return reset_rc == 0 ? SUCCESS : FAILED; |
6c223761 KB |
6333 | } |
6334 | ||
153c45dd | 6335 | static int pqi_device_reset(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) |
4fd22c13 MR |
6336 | { |
6337 | int rc; | |
6338 | ||
4fd22c13 MR |
6339 | pqi_ctrl_block_requests(ctrl_info); |
6340 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
153c45dd | 6341 | pqi_fail_io_queued_for_device(ctrl_info, device, lun); |
4fd22c13 | 6342 | rc = pqi_wait_until_inbound_queues_empty(ctrl_info); |
153c45dd KB |
6343 | pqi_device_reset_start(device, lun); |
6344 | pqi_ctrl_unblock_requests(ctrl_info); | |
4fd22c13 MR |
6345 | if (rc) |
6346 | rc = FAILED; | |
6347 | else | |
153c45dd KB |
6348 | rc = pqi_lun_reset_with_retries(ctrl_info, device, lun); |
6349 | pqi_device_reset_done(device, lun); | |
429fab70 | 6350 | |
4fd22c13 MR |
6351 | return rc; |
6352 | } | |
6353 | ||
153c45dd | 6354 | static int pqi_device_reset_handler(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun, struct scsi_cmnd *scmd, u8 scsi_opcode) |
6c223761 KB |
6355 | { |
6356 | int rc; | |
6c223761 | 6357 | |
37f33181 KB |
6358 | mutex_lock(&ctrl_info->lun_reset_mutex); |
6359 | ||
6c223761 | 6360 | dev_err(&ctrl_info->pci_dev->dev, |
f0e473e0 | 6361 | "resetting scsi %d:%d:%d:%d due to cmd 0x%02x\n", |
153c45dd KB |
6362 | ctrl_info->scsi_host->host_no, |
6363 | device->bus, device->target, lun, | |
f0e473e0 | 6364 | scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff); |
6c223761 | 6365 | |
7561a7e4 | 6366 | pqi_check_ctrl_health(ctrl_info); |
37f33181 | 6367 | if (pqi_ctrl_offline(ctrl_info)) |
7561a7e4 | 6368 | rc = FAILED; |
37f33181 | 6369 | else |
153c45dd | 6370 | rc = pqi_device_reset(ctrl_info, device, lun); |
429fab70 | 6371 | |
6c223761 | 6372 | dev_err(&ctrl_info->pci_dev->dev, |
153c45dd KB |
6373 | "reset of scsi %d:%d:%d:%u: %s\n", |
6374 | ctrl_info->scsi_host->host_no, device->bus, device->target, lun, | |
6c223761 KB |
6375 | rc == SUCCESS ? "SUCCESS" : "FAILED"); |
6376 | ||
37f33181 KB |
6377 | mutex_unlock(&ctrl_info->lun_reset_mutex); |
6378 | ||
6c223761 KB |
6379 | return rc; |
6380 | } | |
6381 | ||
153c45dd KB |
6382 | static int pqi_eh_device_reset_handler(struct scsi_cmnd *scmd) |
6383 | { | |
6384 | struct Scsi_Host *shost; | |
6385 | struct pqi_ctrl_info *ctrl_info; | |
6386 | struct pqi_scsi_dev *device; | |
6387 | u8 scsi_opcode; | |
6388 | ||
6389 | shost = scmd->device->host; | |
6390 | ctrl_info = shost_to_hba(shost); | |
6391 | device = scmd->device->hostdata; | |
6392 | scsi_opcode = scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff; | |
6393 | ||
6394 | return pqi_device_reset_handler(ctrl_info, device, (u8)scmd->device->lun, scmd, scsi_opcode); | |
6395 | } | |
6396 | ||
6397 | static void pqi_tmf_worker(struct work_struct *work) | |
6398 | { | |
6399 | struct pqi_tmf_work *tmf_work; | |
6400 | struct scsi_cmnd *scmd; | |
6401 | ||
6402 | tmf_work = container_of(work, struct pqi_tmf_work, work_struct); | |
6403 | scmd = (struct scsi_cmnd *)xchg(&tmf_work->scmd, NULL); | |
6404 | ||
6405 | pqi_device_reset_handler(tmf_work->ctrl_info, tmf_work->device, tmf_work->lun, scmd, tmf_work->scsi_opcode); | |
6406 | } | |
6407 | ||
6408 | static int pqi_eh_abort_handler(struct scsi_cmnd *scmd) | |
6409 | { | |
6410 | struct Scsi_Host *shost; | |
6411 | struct pqi_ctrl_info *ctrl_info; | |
6412 | struct pqi_scsi_dev *device; | |
6413 | struct pqi_tmf_work *tmf_work; | |
6414 | DECLARE_COMPLETION_ONSTACK(wait); | |
6415 | ||
6416 | shost = scmd->device->host; | |
6417 | ctrl_info = shost_to_hba(shost); | |
6418 | ||
6419 | dev_err(&ctrl_info->pci_dev->dev, | |
6420 | "attempting TASK ABORT on SCSI cmd at %p\n", scmd); | |
6421 | ||
6422 | if (cmpxchg(&scmd->host_scribble, PQI_NO_COMPLETION, (void *)&wait) == NULL) { | |
6423 | dev_err(&ctrl_info->pci_dev->dev, | |
6424 | "SCSI cmd at %p already completed\n", scmd); | |
6425 | scmd->result = DID_RESET << 16; | |
6426 | goto out; | |
6427 | } | |
6428 | ||
6429 | device = scmd->device->hostdata; | |
6430 | tmf_work = &device->tmf_work[scmd->device->lun]; | |
6431 | ||
6432 | if (cmpxchg(&tmf_work->scmd, NULL, scmd) == NULL) { | |
6433 | tmf_work->ctrl_info = ctrl_info; | |
6434 | tmf_work->device = device; | |
6435 | tmf_work->lun = (u8)scmd->device->lun; | |
6436 | tmf_work->scsi_opcode = scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff; | |
6437 | schedule_work(&tmf_work->work_struct); | |
6438 | } | |
6439 | ||
6440 | wait_for_completion(&wait); | |
6441 | ||
6442 | dev_err(&ctrl_info->pci_dev->dev, | |
6443 | "TASK ABORT on SCSI cmd at %p: SUCCESS\n", scmd); | |
6444 | ||
6445 | out: | |
6446 | ||
6447 | return SUCCESS; | |
6448 | } | |
6449 | ||
6c223761 KB |
6450 | static int pqi_slave_alloc(struct scsi_device *sdev) |
6451 | { | |
6452 | struct pqi_scsi_dev *device; | |
6453 | unsigned long flags; | |
6454 | struct pqi_ctrl_info *ctrl_info; | |
6455 | struct scsi_target *starget; | |
6456 | struct sas_rphy *rphy; | |
6457 | ||
6458 | ctrl_info = shost_to_hba(sdev->host); | |
6459 | ||
6460 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
6461 | ||
6462 | if (sdev_channel(sdev) == PQI_PHYSICAL_DEVICE_BUS) { | |
6463 | starget = scsi_target(sdev); | |
6464 | rphy = target_to_rphy(starget); | |
6465 | device = pqi_find_device_by_sas_rphy(ctrl_info, rphy); | |
6466 | if (device) { | |
d4dc6aea KB |
6467 | if (device->target_lun_valid) { |
6468 | device->ignore_device = true; | |
6469 | } else { | |
6470 | device->target = sdev_id(sdev); | |
6471 | device->lun = sdev->lun; | |
6472 | device->target_lun_valid = true; | |
6473 | } | |
6c223761 KB |
6474 | } |
6475 | } else { | |
6476 | device = pqi_find_scsi_dev(ctrl_info, sdev_channel(sdev), | |
6477 | sdev_id(sdev), sdev->lun); | |
6478 | } | |
6479 | ||
94086f5b | 6480 | if (device) { |
6c223761 KB |
6481 | sdev->hostdata = device; |
6482 | device->sdev = sdev; | |
6483 | if (device->queue_depth) { | |
6484 | device->advertised_queue_depth = device->queue_depth; | |
6485 | scsi_change_queue_depth(sdev, | |
6486 | device->advertised_queue_depth); | |
6487 | } | |
99a12b48 | 6488 | if (pqi_is_logical_device(device)) { |
b6e2ef67 | 6489 | pqi_disable_write_same(sdev); |
99a12b48 | 6490 | } else { |
2b447f81 | 6491 | sdev->allow_restart = 1; |
99a12b48 KB |
6492 | if (device->device_type == SA_DEVICE_TYPE_NVME) |
6493 | pqi_disable_write_same(sdev); | |
6494 | } | |
6c223761 KB |
6495 | } |
6496 | ||
6497 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
6498 | ||
6499 | return 0; | |
6500 | } | |
6501 | ||
a4e1d0b7 | 6502 | static void pqi_map_queues(struct Scsi_Host *shost) |
52198226 CH |
6503 | { |
6504 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6505 | ||
a4e1d0b7 BVA |
6506 | blk_mq_pci_map_queues(&shost->tag_set.map[HCTX_TYPE_DEFAULT], |
6507 | ctrl_info->pci_dev, 0); | |
52198226 CH |
6508 | } |
6509 | ||
d4dc6aea KB |
6510 | static inline bool pqi_is_tape_changer_device(struct pqi_scsi_dev *device) |
6511 | { | |
6512 | return device->devtype == TYPE_TAPE || device->devtype == TYPE_MEDIUM_CHANGER; | |
6513 | } | |
6514 | ||
ce143793 KB |
6515 | static int pqi_slave_configure(struct scsi_device *sdev) |
6516 | { | |
d4dc6aea | 6517 | int rc = 0; |
ce143793 KB |
6518 | struct pqi_scsi_dev *device; |
6519 | ||
6520 | device = sdev->hostdata; | |
6521 | device->devtype = sdev->type; | |
6522 | ||
d4dc6aea KB |
6523 | if (pqi_is_tape_changer_device(device) && device->ignore_device) { |
6524 | rc = -ENXIO; | |
6525 | device->ignore_device = false; | |
6526 | } | |
6527 | ||
6528 | return rc; | |
ce143793 KB |
6529 | } |
6530 | ||
2d80f405 KB |
6531 | static void pqi_slave_destroy(struct scsi_device *sdev) |
6532 | { | |
6533 | struct pqi_ctrl_info *ctrl_info; | |
6534 | struct pqi_scsi_dev *device; | |
6535 | int mutex_acquired; | |
6536 | unsigned long flags; | |
6537 | ||
6538 | ctrl_info = shost_to_hba(sdev->host); | |
6539 | ||
6540 | mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); | |
6541 | if (!mutex_acquired) | |
6542 | return; | |
6543 | ||
6544 | device = sdev->hostdata; | |
6545 | if (!device) { | |
6546 | mutex_unlock(&ctrl_info->scan_mutex); | |
6547 | return; | |
6548 | } | |
6549 | ||
cc9befcb KM |
6550 | device->lun_count--; |
6551 | if (device->lun_count > 0) { | |
6552 | mutex_unlock(&ctrl_info->scan_mutex); | |
6553 | return; | |
6554 | } | |
6555 | ||
2d80f405 KB |
6556 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
6557 | list_del(&device->scsi_device_list_entry); | |
6558 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
6559 | ||
6560 | mutex_unlock(&ctrl_info->scan_mutex); | |
6561 | ||
6562 | pqi_dev_info(ctrl_info, "removed", device); | |
6563 | pqi_free_device(device); | |
6564 | } | |
6565 | ||
8b664fef | 6566 | static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) |
6c223761 KB |
6567 | { |
6568 | struct pci_dev *pci_dev; | |
6569 | u32 subsystem_vendor; | |
6570 | u32 subsystem_device; | |
e9c39117 | 6571 | cciss_pci_info_struct pci_info; |
6c223761 KB |
6572 | |
6573 | if (!arg) | |
6574 | return -EINVAL; | |
6575 | ||
6576 | pci_dev = ctrl_info->pci_dev; | |
6577 | ||
e9c39117 KB |
6578 | pci_info.domain = pci_domain_nr(pci_dev->bus); |
6579 | pci_info.bus = pci_dev->bus->number; | |
6580 | pci_info.dev_fn = pci_dev->devfn; | |
6c223761 KB |
6581 | subsystem_vendor = pci_dev->subsystem_vendor; |
6582 | subsystem_device = pci_dev->subsystem_device; | |
e9c39117 | 6583 | pci_info.board_id = ((subsystem_device << 16) & 0xffff0000) | subsystem_vendor; |
6c223761 | 6584 | |
e9c39117 | 6585 | if (copy_to_user(arg, &pci_info, sizeof(pci_info))) |
6c223761 KB |
6586 | return -EFAULT; |
6587 | ||
6588 | return 0; | |
6589 | } | |
6590 | ||
6591 | static int pqi_getdrivver_ioctl(void __user *arg) | |
6592 | { | |
6593 | u32 version; | |
6594 | ||
6595 | if (!arg) | |
6596 | return -EINVAL; | |
6597 | ||
6598 | version = (DRIVER_MAJOR << 28) | (DRIVER_MINOR << 24) | | |
6599 | (DRIVER_RELEASE << 16) | DRIVER_REVISION; | |
6600 | ||
6601 | if (copy_to_user(arg, &version, sizeof(version))) | |
6602 | return -EFAULT; | |
6603 | ||
6604 | return 0; | |
6605 | } | |
6606 | ||
6607 | struct ciss_error_info { | |
6608 | u8 scsi_status; | |
6609 | int command_status; | |
6610 | size_t sense_data_length; | |
6611 | }; | |
6612 | ||
6613 | static void pqi_error_info_to_ciss(struct pqi_raid_error_info *pqi_error_info, | |
6614 | struct ciss_error_info *ciss_error_info) | |
6615 | { | |
6616 | int ciss_cmd_status; | |
6617 | size_t sense_data_length; | |
6618 | ||
6619 | switch (pqi_error_info->data_out_result) { | |
6620 | case PQI_DATA_IN_OUT_GOOD: | |
6621 | ciss_cmd_status = CISS_CMD_STATUS_SUCCESS; | |
6622 | break; | |
6623 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
6624 | ciss_cmd_status = CISS_CMD_STATUS_DATA_UNDERRUN; | |
6625 | break; | |
6626 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW: | |
6627 | ciss_cmd_status = CISS_CMD_STATUS_DATA_OVERRUN; | |
6628 | break; | |
6629 | case PQI_DATA_IN_OUT_PROTOCOL_ERROR: | |
6630 | case PQI_DATA_IN_OUT_BUFFER_ERROR: | |
6631 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA: | |
6632 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE: | |
6633 | case PQI_DATA_IN_OUT_ERROR: | |
6634 | ciss_cmd_status = CISS_CMD_STATUS_PROTOCOL_ERROR; | |
6635 | break; | |
6636 | case PQI_DATA_IN_OUT_HARDWARE_ERROR: | |
6637 | case PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR: | |
6638 | case PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT: | |
6639 | case PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED: | |
6640 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED: | |
6641 | case PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED: | |
6642 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST: | |
6643 | case PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION: | |
6644 | case PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED: | |
6645 | case PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ: | |
6646 | ciss_cmd_status = CISS_CMD_STATUS_HARDWARE_ERROR; | |
6647 | break; | |
6648 | case PQI_DATA_IN_OUT_UNSOLICITED_ABORT: | |
6649 | ciss_cmd_status = CISS_CMD_STATUS_UNSOLICITED_ABORT; | |
6650 | break; | |
6651 | case PQI_DATA_IN_OUT_ABORTED: | |
6652 | ciss_cmd_status = CISS_CMD_STATUS_ABORTED; | |
6653 | break; | |
6654 | case PQI_DATA_IN_OUT_TIMEOUT: | |
6655 | ciss_cmd_status = CISS_CMD_STATUS_TIMEOUT; | |
6656 | break; | |
6657 | default: | |
6658 | ciss_cmd_status = CISS_CMD_STATUS_TARGET_STATUS; | |
6659 | break; | |
6660 | } | |
6661 | ||
6662 | sense_data_length = | |
6663 | get_unaligned_le16(&pqi_error_info->sense_data_length); | |
6664 | if (sense_data_length == 0) | |
6665 | sense_data_length = | |
6666 | get_unaligned_le16(&pqi_error_info->response_data_length); | |
6667 | if (sense_data_length) | |
6668 | if (sense_data_length > sizeof(pqi_error_info->data)) | |
6669 | sense_data_length = sizeof(pqi_error_info->data); | |
6670 | ||
6671 | ciss_error_info->scsi_status = pqi_error_info->status; | |
6672 | ciss_error_info->command_status = ciss_cmd_status; | |
6673 | ciss_error_info->sense_data_length = sense_data_length; | |
6674 | } | |
6675 | ||
6676 | static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) | |
6677 | { | |
6678 | int rc; | |
6679 | char *kernel_buffer = NULL; | |
6680 | u16 iu_length; | |
6681 | size_t sense_data_length; | |
6682 | IOCTL_Command_struct iocommand; | |
6683 | struct pqi_raid_path_request request; | |
6684 | struct pqi_raid_error_info pqi_error_info; | |
6685 | struct ciss_error_info ciss_error_info; | |
6686 | ||
6687 | if (pqi_ctrl_offline(ctrl_info)) | |
6688 | return -ENXIO; | |
2790cd4d KB |
6689 | if (pqi_ofa_in_progress(ctrl_info) && pqi_ctrl_blocked(ctrl_info)) |
6690 | return -EBUSY; | |
6c223761 KB |
6691 | if (!arg) |
6692 | return -EINVAL; | |
6693 | if (!capable(CAP_SYS_RAWIO)) | |
6694 | return -EPERM; | |
6695 | if (copy_from_user(&iocommand, arg, sizeof(iocommand))) | |
6696 | return -EFAULT; | |
6697 | if (iocommand.buf_size < 1 && | |
6698 | iocommand.Request.Type.Direction != XFER_NONE) | |
6699 | return -EINVAL; | |
6700 | if (iocommand.Request.CDBLen > sizeof(request.cdb)) | |
6701 | return -EINVAL; | |
6702 | if (iocommand.Request.Type.Type != TYPE_CMD) | |
6703 | return -EINVAL; | |
6704 | ||
6705 | switch (iocommand.Request.Type.Direction) { | |
6706 | case XFER_NONE: | |
6707 | case XFER_WRITE: | |
6708 | case XFER_READ: | |
41555d54 | 6709 | case XFER_READ | XFER_WRITE: |
6c223761 KB |
6710 | break; |
6711 | default: | |
6712 | return -EINVAL; | |
6713 | } | |
6714 | ||
6715 | if (iocommand.buf_size > 0) { | |
6716 | kernel_buffer = kmalloc(iocommand.buf_size, GFP_KERNEL); | |
6717 | if (!kernel_buffer) | |
6718 | return -ENOMEM; | |
6719 | if (iocommand.Request.Type.Direction & XFER_WRITE) { | |
6720 | if (copy_from_user(kernel_buffer, iocommand.buf, | |
6721 | iocommand.buf_size)) { | |
6722 | rc = -EFAULT; | |
6723 | goto out; | |
6724 | } | |
6725 | } else { | |
6726 | memset(kernel_buffer, 0, iocommand.buf_size); | |
6727 | } | |
6728 | } | |
6729 | ||
6730 | memset(&request, 0, sizeof(request)); | |
6731 | ||
6732 | request.header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
6733 | iu_length = offsetof(struct pqi_raid_path_request, sg_descriptors) - | |
6734 | PQI_REQUEST_HEADER_LENGTH; | |
6735 | memcpy(request.lun_number, iocommand.LUN_info.LunAddrBytes, | |
6736 | sizeof(request.lun_number)); | |
6737 | memcpy(request.cdb, iocommand.Request.CDB, iocommand.Request.CDBLen); | |
6738 | request.additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; | |
6739 | ||
6740 | switch (iocommand.Request.Type.Direction) { | |
6741 | case XFER_NONE: | |
6742 | request.data_direction = SOP_NO_DIRECTION_FLAG; | |
6743 | break; | |
6744 | case XFER_WRITE: | |
6745 | request.data_direction = SOP_WRITE_FLAG; | |
6746 | break; | |
6747 | case XFER_READ: | |
6748 | request.data_direction = SOP_READ_FLAG; | |
6749 | break; | |
41555d54 KB |
6750 | case XFER_READ | XFER_WRITE: |
6751 | request.data_direction = SOP_BIDIRECTIONAL; | |
6752 | break; | |
6c223761 KB |
6753 | } |
6754 | ||
6755 | request.task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
6756 | ||
6757 | if (iocommand.buf_size > 0) { | |
6758 | put_unaligned_le32(iocommand.buf_size, &request.buffer_length); | |
6759 | ||
6760 | rc = pqi_map_single(ctrl_info->pci_dev, | |
6761 | &request.sg_descriptors[0], kernel_buffer, | |
6917a9cc | 6762 | iocommand.buf_size, DMA_BIDIRECTIONAL); |
6c223761 KB |
6763 | if (rc) |
6764 | goto out; | |
6765 | ||
6766 | iu_length += sizeof(request.sg_descriptors[0]); | |
6767 | } | |
6768 | ||
6769 | put_unaligned_le16(iu_length, &request.header.iu_length); | |
6770 | ||
21432010 | 6771 | if (ctrl_info->raid_iu_timeout_supported) |
6772 | put_unaligned_le32(iocommand.Request.Timeout, &request.timeout); | |
6773 | ||
6c223761 | 6774 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, |
ae0c189d | 6775 | PQI_SYNC_FLAGS_INTERRUPTABLE, &pqi_error_info); |
6c223761 KB |
6776 | |
6777 | if (iocommand.buf_size > 0) | |
6778 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, | |
6917a9cc | 6779 | DMA_BIDIRECTIONAL); |
6c223761 KB |
6780 | |
6781 | memset(&iocommand.error_info, 0, sizeof(iocommand.error_info)); | |
6782 | ||
6783 | if (rc == 0) { | |
6784 | pqi_error_info_to_ciss(&pqi_error_info, &ciss_error_info); | |
6785 | iocommand.error_info.ScsiStatus = ciss_error_info.scsi_status; | |
6786 | iocommand.error_info.CommandStatus = | |
6787 | ciss_error_info.command_status; | |
6788 | sense_data_length = ciss_error_info.sense_data_length; | |
6789 | if (sense_data_length) { | |
6790 | if (sense_data_length > | |
6791 | sizeof(iocommand.error_info.SenseInfo)) | |
6792 | sense_data_length = | |
6793 | sizeof(iocommand.error_info.SenseInfo); | |
6794 | memcpy(iocommand.error_info.SenseInfo, | |
6795 | pqi_error_info.data, sense_data_length); | |
6796 | iocommand.error_info.SenseLen = sense_data_length; | |
6797 | } | |
6798 | } | |
6799 | ||
6800 | if (copy_to_user(arg, &iocommand, sizeof(iocommand))) { | |
6801 | rc = -EFAULT; | |
6802 | goto out; | |
6803 | } | |
6804 | ||
6805 | if (rc == 0 && iocommand.buf_size > 0 && | |
6806 | (iocommand.Request.Type.Direction & XFER_READ)) { | |
6807 | if (copy_to_user(iocommand.buf, kernel_buffer, | |
6808 | iocommand.buf_size)) { | |
6809 | rc = -EFAULT; | |
6810 | } | |
6811 | } | |
6812 | ||
6813 | out: | |
6814 | kfree(kernel_buffer); | |
6815 | ||
6816 | return rc; | |
6817 | } | |
6818 | ||
6f4e626f NC |
6819 | static int pqi_ioctl(struct scsi_device *sdev, unsigned int cmd, |
6820 | void __user *arg) | |
6c223761 KB |
6821 | { |
6822 | int rc; | |
6823 | struct pqi_ctrl_info *ctrl_info; | |
6824 | ||
6825 | ctrl_info = shost_to_hba(sdev->host); | |
6826 | ||
6827 | switch (cmd) { | |
6828 | case CCISS_DEREGDISK: | |
6829 | case CCISS_REGNEWDISK: | |
6830 | case CCISS_REGNEWD: | |
6831 | rc = pqi_scan_scsi_devices(ctrl_info); | |
6832 | break; | |
6833 | case CCISS_GETPCIINFO: | |
6834 | rc = pqi_getpciinfo_ioctl(ctrl_info, arg); | |
6835 | break; | |
6836 | case CCISS_GETDRIVVER: | |
6837 | rc = pqi_getdrivver_ioctl(arg); | |
6838 | break; | |
6839 | case CCISS_PASSTHRU: | |
6840 | rc = pqi_passthru_ioctl(ctrl_info, arg); | |
6841 | break; | |
6842 | default: | |
6843 | rc = -EINVAL; | |
6844 | break; | |
6845 | } | |
6846 | ||
6847 | return rc; | |
6848 | } | |
6849 | ||
6d90615f | 6850 | static ssize_t pqi_firmware_version_show(struct device *dev, |
6c223761 KB |
6851 | struct device_attribute *attr, char *buffer) |
6852 | { | |
6c223761 KB |
6853 | struct Scsi_Host *shost; |
6854 | struct pqi_ctrl_info *ctrl_info; | |
6855 | ||
6856 | shost = class_to_shost(dev); | |
6857 | ctrl_info = shost_to_hba(shost); | |
6858 | ||
a4256252 | 6859 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->firmware_version); |
6d90615f MB |
6860 | } |
6861 | ||
6862 | static ssize_t pqi_driver_version_show(struct device *dev, | |
6863 | struct device_attribute *attr, char *buffer) | |
6864 | { | |
a4256252 | 6865 | return scnprintf(buffer, PAGE_SIZE, "%s\n", DRIVER_VERSION BUILD_TIMESTAMP); |
6d90615f | 6866 | } |
6c223761 | 6867 | |
6d90615f MB |
6868 | static ssize_t pqi_serial_number_show(struct device *dev, |
6869 | struct device_attribute *attr, char *buffer) | |
6870 | { | |
6871 | struct Scsi_Host *shost; | |
6872 | struct pqi_ctrl_info *ctrl_info; | |
6873 | ||
6874 | shost = class_to_shost(dev); | |
6875 | ctrl_info = shost_to_hba(shost); | |
6876 | ||
a4256252 | 6877 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->serial_number); |
6d90615f MB |
6878 | } |
6879 | ||
6880 | static ssize_t pqi_model_show(struct device *dev, | |
6881 | struct device_attribute *attr, char *buffer) | |
6882 | { | |
6883 | struct Scsi_Host *shost; | |
6884 | struct pqi_ctrl_info *ctrl_info; | |
6885 | ||
6886 | shost = class_to_shost(dev); | |
6887 | ctrl_info = shost_to_hba(shost); | |
6888 | ||
a4256252 | 6889 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->model); |
6d90615f MB |
6890 | } |
6891 | ||
6892 | static ssize_t pqi_vendor_show(struct device *dev, | |
6893 | struct device_attribute *attr, char *buffer) | |
6894 | { | |
6895 | struct Scsi_Host *shost; | |
6896 | struct pqi_ctrl_info *ctrl_info; | |
6897 | ||
6898 | shost = class_to_shost(dev); | |
6899 | ctrl_info = shost_to_hba(shost); | |
6900 | ||
a4256252 | 6901 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->vendor); |
6c223761 KB |
6902 | } |
6903 | ||
6904 | static ssize_t pqi_host_rescan_store(struct device *dev, | |
6905 | struct device_attribute *attr, const char *buffer, size_t count) | |
6906 | { | |
6907 | struct Scsi_Host *shost = class_to_shost(dev); | |
6908 | ||
6909 | pqi_scan_start(shost); | |
6910 | ||
6911 | return count; | |
6912 | } | |
6913 | ||
3c50976f KB |
6914 | static ssize_t pqi_lockup_action_show(struct device *dev, |
6915 | struct device_attribute *attr, char *buffer) | |
6916 | { | |
6917 | int count = 0; | |
6918 | unsigned int i; | |
6919 | ||
6920 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
6921 | if (pqi_lockup_actions[i].action == pqi_lockup_action) | |
181aea89 | 6922 | count += scnprintf(buffer + count, PAGE_SIZE - count, |
3c50976f KB |
6923 | "[%s] ", pqi_lockup_actions[i].name); |
6924 | else | |
181aea89 | 6925 | count += scnprintf(buffer + count, PAGE_SIZE - count, |
3c50976f KB |
6926 | "%s ", pqi_lockup_actions[i].name); |
6927 | } | |
6928 | ||
181aea89 | 6929 | count += scnprintf(buffer + count, PAGE_SIZE - count, "\n"); |
3c50976f KB |
6930 | |
6931 | return count; | |
6932 | } | |
6933 | ||
6934 | static ssize_t pqi_lockup_action_store(struct device *dev, | |
6935 | struct device_attribute *attr, const char *buffer, size_t count) | |
6936 | { | |
6937 | unsigned int i; | |
6938 | char *action_name; | |
6939 | char action_name_buffer[32]; | |
6940 | ||
41e5d6f6 | 6941 | strscpy(action_name_buffer, buffer, sizeof(action_name_buffer)); |
3c50976f KB |
6942 | action_name = strstrip(action_name_buffer); |
6943 | ||
6944 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
6945 | if (strcmp(action_name, pqi_lockup_actions[i].name) == 0) { | |
6946 | pqi_lockup_action = pqi_lockup_actions[i].action; | |
6947 | return count; | |
6948 | } | |
6949 | } | |
6950 | ||
6951 | return -EINVAL; | |
6952 | } | |
6953 | ||
5be746d7 DB |
6954 | static ssize_t pqi_host_enable_stream_detection_show(struct device *dev, |
6955 | struct device_attribute *attr, char *buffer) | |
6956 | { | |
6957 | struct Scsi_Host *shost = class_to_shost(dev); | |
6958 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6959 | ||
6960 | return scnprintf(buffer, 10, "%x\n", | |
6961 | ctrl_info->enable_stream_detection); | |
6962 | } | |
6963 | ||
6964 | static ssize_t pqi_host_enable_stream_detection_store(struct device *dev, | |
6965 | struct device_attribute *attr, const char *buffer, size_t count) | |
6966 | { | |
6967 | struct Scsi_Host *shost = class_to_shost(dev); | |
6968 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6969 | u8 set_stream_detection = 0; | |
6970 | ||
6971 | if (kstrtou8(buffer, 0, &set_stream_detection)) | |
6972 | return -EINVAL; | |
6973 | ||
6974 | if (set_stream_detection > 0) | |
6975 | set_stream_detection = 1; | |
6976 | ||
6977 | ctrl_info->enable_stream_detection = set_stream_detection; | |
6978 | ||
6979 | return count; | |
6980 | } | |
6981 | ||
6702d2c4 DB |
6982 | static ssize_t pqi_host_enable_r5_writes_show(struct device *dev, |
6983 | struct device_attribute *attr, char *buffer) | |
6984 | { | |
6985 | struct Scsi_Host *shost = class_to_shost(dev); | |
6986 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6987 | ||
6988 | return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r5_writes); | |
6989 | } | |
6990 | ||
6991 | static ssize_t pqi_host_enable_r5_writes_store(struct device *dev, | |
6992 | struct device_attribute *attr, const char *buffer, size_t count) | |
6993 | { | |
6994 | struct Scsi_Host *shost = class_to_shost(dev); | |
6995 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6996 | u8 set_r5_writes = 0; | |
6997 | ||
6998 | if (kstrtou8(buffer, 0, &set_r5_writes)) | |
6999 | return -EINVAL; | |
7000 | ||
7001 | if (set_r5_writes > 0) | |
7002 | set_r5_writes = 1; | |
7003 | ||
7004 | ctrl_info->enable_r5_writes = set_r5_writes; | |
7005 | ||
7006 | return count; | |
7007 | } | |
7008 | ||
7009 | static ssize_t pqi_host_enable_r6_writes_show(struct device *dev, | |
7010 | struct device_attribute *attr, char *buffer) | |
7011 | { | |
7012 | struct Scsi_Host *shost = class_to_shost(dev); | |
7013 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
7014 | ||
7015 | return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r6_writes); | |
7016 | } | |
7017 | ||
7018 | static ssize_t pqi_host_enable_r6_writes_store(struct device *dev, | |
7019 | struct device_attribute *attr, const char *buffer, size_t count) | |
7020 | { | |
7021 | struct Scsi_Host *shost = class_to_shost(dev); | |
7022 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
7023 | u8 set_r6_writes = 0; | |
7024 | ||
7025 | if (kstrtou8(buffer, 0, &set_r6_writes)) | |
7026 | return -EINVAL; | |
7027 | ||
7028 | if (set_r6_writes > 0) | |
7029 | set_r6_writes = 1; | |
7030 | ||
7031 | ctrl_info->enable_r6_writes = set_r6_writes; | |
7032 | ||
7033 | return count; | |
7034 | } | |
7035 | ||
6d90615f MB |
7036 | static DEVICE_ATTR(driver_version, 0444, pqi_driver_version_show, NULL); |
7037 | static DEVICE_ATTR(firmware_version, 0444, pqi_firmware_version_show, NULL); | |
7038 | static DEVICE_ATTR(model, 0444, pqi_model_show, NULL); | |
7039 | static DEVICE_ATTR(serial_number, 0444, pqi_serial_number_show, NULL); | |
7040 | static DEVICE_ATTR(vendor, 0444, pqi_vendor_show, NULL); | |
cbe0c7b1 | 7041 | static DEVICE_ATTR(rescan, 0200, NULL, pqi_host_rescan_store); |
583891c9 KB |
7042 | static DEVICE_ATTR(lockup_action, 0644, pqi_lockup_action_show, |
7043 | pqi_lockup_action_store); | |
5be746d7 DB |
7044 | static DEVICE_ATTR(enable_stream_detection, 0644, |
7045 | pqi_host_enable_stream_detection_show, | |
7046 | pqi_host_enable_stream_detection_store); | |
6702d2c4 DB |
7047 | static DEVICE_ATTR(enable_r5_writes, 0644, |
7048 | pqi_host_enable_r5_writes_show, pqi_host_enable_r5_writes_store); | |
7049 | static DEVICE_ATTR(enable_r6_writes, 0644, | |
7050 | pqi_host_enable_r6_writes_show, pqi_host_enable_r6_writes_store); | |
6c223761 | 7051 | |
64fc9015 BVA |
7052 | static struct attribute *pqi_shost_attrs[] = { |
7053 | &dev_attr_driver_version.attr, | |
7054 | &dev_attr_firmware_version.attr, | |
7055 | &dev_attr_model.attr, | |
7056 | &dev_attr_serial_number.attr, | |
7057 | &dev_attr_vendor.attr, | |
7058 | &dev_attr_rescan.attr, | |
7059 | &dev_attr_lockup_action.attr, | |
7060 | &dev_attr_enable_stream_detection.attr, | |
7061 | &dev_attr_enable_r5_writes.attr, | |
7062 | &dev_attr_enable_r6_writes.attr, | |
6c223761 KB |
7063 | NULL |
7064 | }; | |
7065 | ||
64fc9015 BVA |
7066 | ATTRIBUTE_GROUPS(pqi_shost); |
7067 | ||
cd128244 DC |
7068 | static ssize_t pqi_unique_id_show(struct device *dev, |
7069 | struct device_attribute *attr, char *buffer) | |
7070 | { | |
7071 | struct pqi_ctrl_info *ctrl_info; | |
7072 | struct scsi_device *sdev; | |
7073 | struct pqi_scsi_dev *device; | |
7074 | unsigned long flags; | |
5b083b30 | 7075 | u8 unique_id[16]; |
cd128244 DC |
7076 | |
7077 | sdev = to_scsi_device(dev); | |
7078 | ctrl_info = shost_to_hba(sdev->host); | |
7079 | ||
331f7e99 SB |
7080 | if (pqi_ctrl_offline(ctrl_info)) |
7081 | return -ENODEV; | |
7082 | ||
cd128244 DC |
7083 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7084 | ||
7085 | device = sdev->hostdata; | |
7086 | if (!device) { | |
8b664fef | 7087 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7088 | return -ENODEV; |
7089 | } | |
5b083b30 | 7090 | |
28ca6d87 MM |
7091 | if (device->is_physical_device) |
7092 | memcpy(unique_id, device->wwid, sizeof(device->wwid)); | |
7093 | else | |
5b083b30 | 7094 | memcpy(unique_id, device->volume_id, sizeof(device->volume_id)); |
cd128244 DC |
7095 | |
7096 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7097 | ||
a4256252 | 7098 | return scnprintf(buffer, PAGE_SIZE, |
583891c9 KB |
7099 | "%02X%02X%02X%02X%02X%02X%02X%02X" |
7100 | "%02X%02X%02X%02X%02X%02X%02X%02X\n", | |
5b083b30 KB |
7101 | unique_id[0], unique_id[1], unique_id[2], unique_id[3], |
7102 | unique_id[4], unique_id[5], unique_id[6], unique_id[7], | |
7103 | unique_id[8], unique_id[9], unique_id[10], unique_id[11], | |
7104 | unique_id[12], unique_id[13], unique_id[14], unique_id[15]); | |
cd128244 DC |
7105 | } |
7106 | ||
7107 | static ssize_t pqi_lunid_show(struct device *dev, | |
7108 | struct device_attribute *attr, char *buffer) | |
7109 | { | |
7110 | struct pqi_ctrl_info *ctrl_info; | |
7111 | struct scsi_device *sdev; | |
7112 | struct pqi_scsi_dev *device; | |
7113 | unsigned long flags; | |
7114 | u8 lunid[8]; | |
7115 | ||
7116 | sdev = to_scsi_device(dev); | |
7117 | ctrl_info = shost_to_hba(sdev->host); | |
7118 | ||
331f7e99 SB |
7119 | if (pqi_ctrl_offline(ctrl_info)) |
7120 | return -ENODEV; | |
7121 | ||
cd128244 DC |
7122 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7123 | ||
7124 | device = sdev->hostdata; | |
7125 | if (!device) { | |
8b664fef | 7126 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7127 | return -ENODEV; |
7128 | } | |
694c5d5b | 7129 | |
cd128244 DC |
7130 | memcpy(lunid, device->scsi3addr, sizeof(lunid)); |
7131 | ||
7132 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7133 | ||
a4256252 | 7134 | return scnprintf(buffer, PAGE_SIZE, "0x%8phN\n", lunid); |
cd128244 DC |
7135 | } |
7136 | ||
694c5d5b KB |
7137 | #define MAX_PATHS 8 |
7138 | ||
cd128244 DC |
7139 | static ssize_t pqi_path_info_show(struct device *dev, |
7140 | struct device_attribute *attr, char *buf) | |
7141 | { | |
7142 | struct pqi_ctrl_info *ctrl_info; | |
7143 | struct scsi_device *sdev; | |
7144 | struct pqi_scsi_dev *device; | |
7145 | unsigned long flags; | |
7146 | int i; | |
7147 | int output_len = 0; | |
7148 | u8 box; | |
7149 | u8 bay; | |
694c5d5b | 7150 | u8 path_map_index; |
cd128244 | 7151 | char *active; |
694c5d5b | 7152 | u8 phys_connector[2]; |
cd128244 DC |
7153 | |
7154 | sdev = to_scsi_device(dev); | |
7155 | ctrl_info = shost_to_hba(sdev->host); | |
7156 | ||
331f7e99 SB |
7157 | if (pqi_ctrl_offline(ctrl_info)) |
7158 | return -ENODEV; | |
7159 | ||
cd128244 DC |
7160 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7161 | ||
7162 | device = sdev->hostdata; | |
7163 | if (!device) { | |
8b664fef | 7164 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7165 | return -ENODEV; |
7166 | } | |
7167 | ||
7168 | bay = device->bay; | |
7169 | for (i = 0; i < MAX_PATHS; i++) { | |
694c5d5b | 7170 | path_map_index = 1 << i; |
cd128244 DC |
7171 | if (i == device->active_path_index) |
7172 | active = "Active"; | |
7173 | else if (device->path_map & path_map_index) | |
7174 | active = "Inactive"; | |
7175 | else | |
7176 | continue; | |
7177 | ||
7178 | output_len += scnprintf(buf + output_len, | |
7179 | PAGE_SIZE - output_len, | |
7180 | "[%d:%d:%d:%d] %20.20s ", | |
7181 | ctrl_info->scsi_host->host_no, | |
7182 | device->bus, device->target, | |
7183 | device->lun, | |
7184 | scsi_device_type(device->devtype)); | |
7185 | ||
7186 | if (device->devtype == TYPE_RAID || | |
7187 | pqi_is_logical_device(device)) | |
7188 | goto end_buffer; | |
7189 | ||
7190 | memcpy(&phys_connector, &device->phys_connector[i], | |
7191 | sizeof(phys_connector)); | |
7192 | if (phys_connector[0] < '0') | |
7193 | phys_connector[0] = '0'; | |
7194 | if (phys_connector[1] < '0') | |
7195 | phys_connector[1] = '0'; | |
7196 | ||
7197 | output_len += scnprintf(buf + output_len, | |
7198 | PAGE_SIZE - output_len, | |
7199 | "PORT: %.2s ", phys_connector); | |
7200 | ||
7201 | box = device->box[i]; | |
7202 | if (box != 0 && box != 0xFF) | |
7203 | output_len += scnprintf(buf + output_len, | |
7204 | PAGE_SIZE - output_len, | |
7205 | "BOX: %hhu ", box); | |
7206 | ||
7207 | if ((device->devtype == TYPE_DISK || | |
7208 | device->devtype == TYPE_ZBC) && | |
7209 | pqi_expose_device(device)) | |
7210 | output_len += scnprintf(buf + output_len, | |
7211 | PAGE_SIZE - output_len, | |
7212 | "BAY: %hhu ", bay); | |
7213 | ||
7214 | end_buffer: | |
7215 | output_len += scnprintf(buf + output_len, | |
7216 | PAGE_SIZE - output_len, | |
7217 | "%s\n", active); | |
7218 | } | |
7219 | ||
7220 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
694c5d5b | 7221 | |
cd128244 DC |
7222 | return output_len; |
7223 | } | |
7224 | ||
6c223761 KB |
7225 | static ssize_t pqi_sas_address_show(struct device *dev, |
7226 | struct device_attribute *attr, char *buffer) | |
7227 | { | |
7228 | struct pqi_ctrl_info *ctrl_info; | |
7229 | struct scsi_device *sdev; | |
7230 | struct pqi_scsi_dev *device; | |
7231 | unsigned long flags; | |
7232 | u64 sas_address; | |
7233 | ||
7234 | sdev = to_scsi_device(dev); | |
7235 | ctrl_info = shost_to_hba(sdev->host); | |
7236 | ||
331f7e99 SB |
7237 | if (pqi_ctrl_offline(ctrl_info)) |
7238 | return -ENODEV; | |
7239 | ||
6c223761 KB |
7240 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7241 | ||
7242 | device = sdev->hostdata; | |
00598b05 | 7243 | if (!device) { |
8b664fef | 7244 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
6c223761 KB |
7245 | return -ENODEV; |
7246 | } | |
694c5d5b | 7247 | |
6c223761 KB |
7248 | sas_address = device->sas_address; |
7249 | ||
7250 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7251 | ||
a4256252 | 7252 | return scnprintf(buffer, PAGE_SIZE, "0x%016llx\n", sas_address); |
6c223761 KB |
7253 | } |
7254 | ||
7255 | static ssize_t pqi_ssd_smart_path_enabled_show(struct device *dev, | |
7256 | struct device_attribute *attr, char *buffer) | |
7257 | { | |
7258 | struct pqi_ctrl_info *ctrl_info; | |
7259 | struct scsi_device *sdev; | |
7260 | struct pqi_scsi_dev *device; | |
7261 | unsigned long flags; | |
7262 | ||
7263 | sdev = to_scsi_device(dev); | |
7264 | ctrl_info = shost_to_hba(sdev->host); | |
7265 | ||
331f7e99 SB |
7266 | if (pqi_ctrl_offline(ctrl_info)) |
7267 | return -ENODEV; | |
7268 | ||
6c223761 KB |
7269 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7270 | ||
7271 | device = sdev->hostdata; | |
8b664fef KB |
7272 | if (!device) { |
7273 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7274 | return -ENODEV; | |
7275 | } | |
7276 | ||
588a63fe | 7277 | buffer[0] = device->raid_bypass_enabled ? '1' : '0'; |
6c223761 KB |
7278 | buffer[1] = '\n'; |
7279 | buffer[2] = '\0'; | |
7280 | ||
7281 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7282 | ||
7283 | return 2; | |
7284 | } | |
7285 | ||
a9f93392 KB |
7286 | static ssize_t pqi_raid_level_show(struct device *dev, |
7287 | struct device_attribute *attr, char *buffer) | |
7288 | { | |
7289 | struct pqi_ctrl_info *ctrl_info; | |
7290 | struct scsi_device *sdev; | |
7291 | struct pqi_scsi_dev *device; | |
7292 | unsigned long flags; | |
7293 | char *raid_level; | |
7294 | ||
7295 | sdev = to_scsi_device(dev); | |
7296 | ctrl_info = shost_to_hba(sdev->host); | |
7297 | ||
331f7e99 SB |
7298 | if (pqi_ctrl_offline(ctrl_info)) |
7299 | return -ENODEV; | |
7300 | ||
a9f93392 KB |
7301 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7302 | ||
7303 | device = sdev->hostdata; | |
8b664fef KB |
7304 | if (!device) { |
7305 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7306 | return -ENODEV; | |
7307 | } | |
a9f93392 | 7308 | |
cbe42ac1 | 7309 | if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) |
a9f93392 KB |
7310 | raid_level = pqi_raid_level_to_string(device->raid_level); |
7311 | else | |
7312 | raid_level = "N/A"; | |
7313 | ||
7314 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7315 | ||
a4256252 | 7316 | return scnprintf(buffer, PAGE_SIZE, "%s\n", raid_level); |
a9f93392 KB |
7317 | } |
7318 | ||
8b664fef KB |
7319 | static ssize_t pqi_raid_bypass_cnt_show(struct device *dev, |
7320 | struct device_attribute *attr, char *buffer) | |
7321 | { | |
7322 | struct pqi_ctrl_info *ctrl_info; | |
7323 | struct scsi_device *sdev; | |
7324 | struct pqi_scsi_dev *device; | |
7325 | unsigned long flags; | |
80d560d9 | 7326 | unsigned int raid_bypass_cnt; |
8b664fef KB |
7327 | |
7328 | sdev = to_scsi_device(dev); | |
7329 | ctrl_info = shost_to_hba(sdev->host); | |
7330 | ||
331f7e99 SB |
7331 | if (pqi_ctrl_offline(ctrl_info)) |
7332 | return -ENODEV; | |
7333 | ||
8b664fef KB |
7334 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7335 | ||
7336 | device = sdev->hostdata; | |
7337 | if (!device) { | |
7338 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7339 | return -ENODEV; | |
7340 | } | |
7341 | ||
80d560d9 | 7342 | raid_bypass_cnt = device->raid_bypass_cnt; |
8b664fef KB |
7343 | |
7344 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7345 | ||
a4256252 | 7346 | return scnprintf(buffer, PAGE_SIZE, "0x%x\n", raid_bypass_cnt); |
8b664fef KB |
7347 | } |
7348 | ||
2a47834d GW |
7349 | static ssize_t pqi_sas_ncq_prio_enable_show(struct device *dev, |
7350 | struct device_attribute *attr, char *buf) | |
7351 | { | |
7352 | struct pqi_ctrl_info *ctrl_info; | |
7353 | struct scsi_device *sdev; | |
7354 | struct pqi_scsi_dev *device; | |
7355 | unsigned long flags; | |
7356 | int output_len = 0; | |
7357 | ||
7358 | sdev = to_scsi_device(dev); | |
7359 | ctrl_info = shost_to_hba(sdev->host); | |
7360 | ||
331f7e99 SB |
7361 | if (pqi_ctrl_offline(ctrl_info)) |
7362 | return -ENODEV; | |
7363 | ||
2a47834d GW |
7364 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7365 | ||
7366 | device = sdev->hostdata; | |
7367 | if (!device) { | |
7368 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7369 | return -ENODEV; | |
7370 | } | |
7371 | ||
7372 | output_len = snprintf(buf, PAGE_SIZE, "%d\n", | |
7373 | device->ncq_prio_enable); | |
7374 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7375 | ||
7376 | return output_len; | |
7377 | } | |
7378 | ||
7379 | static ssize_t pqi_sas_ncq_prio_enable_store(struct device *dev, | |
7380 | struct device_attribute *attr, | |
7381 | const char *buf, size_t count) | |
7382 | { | |
7383 | struct pqi_ctrl_info *ctrl_info; | |
7384 | struct scsi_device *sdev; | |
7385 | struct pqi_scsi_dev *device; | |
7386 | unsigned long flags; | |
7387 | u8 ncq_prio_enable = 0; | |
7388 | ||
7389 | if (kstrtou8(buf, 0, &ncq_prio_enable)) | |
7390 | return -EINVAL; | |
7391 | ||
7392 | sdev = to_scsi_device(dev); | |
7393 | ctrl_info = shost_to_hba(sdev->host); | |
7394 | ||
7395 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
7396 | ||
7397 | device = sdev->hostdata; | |
7398 | ||
7399 | if (!device) { | |
7400 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7401 | return -ENODEV; | |
7402 | } | |
7403 | ||
68f79204 | 7404 | if (!device->ncq_prio_support) { |
2a47834d GW |
7405 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
7406 | return -EINVAL; | |
7407 | } | |
7408 | ||
7409 | device->ncq_prio_enable = ncq_prio_enable; | |
7410 | ||
7411 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7412 | ||
7413 | return strlen(buf); | |
7414 | } | |
7415 | ||
d2c7583f DB |
7416 | static ssize_t pqi_numa_node_show(struct device *dev, |
7417 | struct device_attribute *attr, char *buffer) | |
7418 | { | |
7419 | struct scsi_device *sdev; | |
7420 | struct pqi_ctrl_info *ctrl_info; | |
7421 | ||
7422 | sdev = to_scsi_device(dev); | |
7423 | ctrl_info = shost_to_hba(sdev->host); | |
7424 | ||
7425 | return scnprintf(buffer, PAGE_SIZE, "%d\n", ctrl_info->numa_node); | |
7426 | } | |
7427 | ||
cd128244 DC |
7428 | static DEVICE_ATTR(lunid, 0444, pqi_lunid_show, NULL); |
7429 | static DEVICE_ATTR(unique_id, 0444, pqi_unique_id_show, NULL); | |
7430 | static DEVICE_ATTR(path_info, 0444, pqi_path_info_show, NULL); | |
cbe0c7b1 | 7431 | static DEVICE_ATTR(sas_address, 0444, pqi_sas_address_show, NULL); |
8b664fef | 7432 | static DEVICE_ATTR(ssd_smart_path_enabled, 0444, pqi_ssd_smart_path_enabled_show, NULL); |
a9f93392 | 7433 | static DEVICE_ATTR(raid_level, 0444, pqi_raid_level_show, NULL); |
8b664fef | 7434 | static DEVICE_ATTR(raid_bypass_cnt, 0444, pqi_raid_bypass_cnt_show, NULL); |
2a47834d GW |
7435 | static DEVICE_ATTR(sas_ncq_prio_enable, 0644, |
7436 | pqi_sas_ncq_prio_enable_show, pqi_sas_ncq_prio_enable_store); | |
d2c7583f | 7437 | static DEVICE_ATTR(numa_node, 0444, pqi_numa_node_show, NULL); |
6c223761 | 7438 | |
64fc9015 BVA |
7439 | static struct attribute *pqi_sdev_attrs[] = { |
7440 | &dev_attr_lunid.attr, | |
7441 | &dev_attr_unique_id.attr, | |
7442 | &dev_attr_path_info.attr, | |
7443 | &dev_attr_sas_address.attr, | |
7444 | &dev_attr_ssd_smart_path_enabled.attr, | |
7445 | &dev_attr_raid_level.attr, | |
7446 | &dev_attr_raid_bypass_cnt.attr, | |
2a47834d | 7447 | &dev_attr_sas_ncq_prio_enable.attr, |
d2c7583f | 7448 | &dev_attr_numa_node.attr, |
6c223761 KB |
7449 | NULL |
7450 | }; | |
7451 | ||
64fc9015 BVA |
7452 | ATTRIBUTE_GROUPS(pqi_sdev); |
7453 | ||
077126d6 | 7454 | static const struct scsi_host_template pqi_driver_template = { |
6c223761 KB |
7455 | .module = THIS_MODULE, |
7456 | .name = DRIVER_NAME_SHORT, | |
7457 | .proc_name = DRIVER_NAME_SHORT, | |
7458 | .queuecommand = pqi_scsi_queue_command, | |
7459 | .scan_start = pqi_scan_start, | |
7460 | .scan_finished = pqi_scan_finished, | |
7461 | .this_id = -1, | |
6c223761 | 7462 | .eh_device_reset_handler = pqi_eh_device_reset_handler, |
153c45dd | 7463 | .eh_abort_handler = pqi_eh_abort_handler, |
6c223761 KB |
7464 | .ioctl = pqi_ioctl, |
7465 | .slave_alloc = pqi_slave_alloc, | |
ce143793 | 7466 | .slave_configure = pqi_slave_configure, |
2d80f405 | 7467 | .slave_destroy = pqi_slave_destroy, |
52198226 | 7468 | .map_queues = pqi_map_queues, |
64fc9015 BVA |
7469 | .sdev_groups = pqi_sdev_groups, |
7470 | .shost_groups = pqi_shost_groups, | |
c1ea387d | 7471 | .cmd_size = sizeof(struct pqi_cmd_priv), |
6c223761 KB |
7472 | }; |
7473 | ||
7474 | static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) | |
7475 | { | |
7476 | int rc; | |
7477 | struct Scsi_Host *shost; | |
7478 | ||
7479 | shost = scsi_host_alloc(&pqi_driver_template, sizeof(ctrl_info)); | |
7480 | if (!shost) { | |
583891c9 | 7481 | dev_err(&ctrl_info->pci_dev->dev, "scsi_host_alloc failed\n"); |
6c223761 KB |
7482 | return -ENOMEM; |
7483 | } | |
7484 | ||
7485 | shost->io_port = 0; | |
7486 | shost->n_io_port = 0; | |
7487 | shost->this_id = -1; | |
7488 | shost->max_channel = PQI_MAX_BUS; | |
7489 | shost->max_cmd_len = MAX_COMMAND_SIZE; | |
904f2bfd | 7490 | shost->max_lun = PQI_MAX_LUNS_PER_DEVICE; |
6c223761 KB |
7491 | shost->max_id = ~0; |
7492 | shost->max_sectors = ctrl_info->max_sectors; | |
7493 | shost->can_queue = ctrl_info->scsi_ml_can_queue; | |
7494 | shost->cmd_per_lun = shost->can_queue; | |
7495 | shost->sg_tablesize = ctrl_info->sg_tablesize; | |
7496 | shost->transportt = pqi_sas_transport_template; | |
52198226 | 7497 | shost->irq = pci_irq_vector(ctrl_info->pci_dev, 0); |
6c223761 KB |
7498 | shost->unique_id = shost->irq; |
7499 | shost->nr_hw_queues = ctrl_info->num_queue_groups; | |
c6d3ee20 | 7500 | shost->host_tagset = 1; |
6c223761 KB |
7501 | shost->hostdata[0] = (unsigned long)ctrl_info; |
7502 | ||
7503 | rc = scsi_add_host(shost, &ctrl_info->pci_dev->dev); | |
7504 | if (rc) { | |
583891c9 | 7505 | dev_err(&ctrl_info->pci_dev->dev, "scsi_add_host failed\n"); |
6c223761 KB |
7506 | goto free_host; |
7507 | } | |
7508 | ||
7509 | rc = pqi_add_sas_host(shost, ctrl_info); | |
7510 | if (rc) { | |
583891c9 | 7511 | dev_err(&ctrl_info->pci_dev->dev, "add SAS host failed\n"); |
6c223761 KB |
7512 | goto remove_host; |
7513 | } | |
7514 | ||
7515 | ctrl_info->scsi_host = shost; | |
7516 | ||
7517 | return 0; | |
7518 | ||
7519 | remove_host: | |
7520 | scsi_remove_host(shost); | |
7521 | free_host: | |
7522 | scsi_host_put(shost); | |
7523 | ||
7524 | return rc; | |
7525 | } | |
7526 | ||
7527 | static void pqi_unregister_scsi(struct pqi_ctrl_info *ctrl_info) | |
7528 | { | |
7529 | struct Scsi_Host *shost; | |
7530 | ||
7531 | pqi_delete_sas_host(ctrl_info); | |
7532 | ||
7533 | shost = ctrl_info->scsi_host; | |
7534 | if (!shost) | |
7535 | return; | |
7536 | ||
7537 | scsi_remove_host(shost); | |
7538 | scsi_host_put(shost); | |
7539 | } | |
7540 | ||
336b6819 KB |
7541 | static int pqi_wait_for_pqi_reset_completion(struct pqi_ctrl_info *ctrl_info) |
7542 | { | |
7543 | int rc = 0; | |
7544 | struct pqi_device_registers __iomem *pqi_registers; | |
7545 | unsigned long timeout; | |
7546 | unsigned int timeout_msecs; | |
7547 | union pqi_reset_register reset_reg; | |
6c223761 | 7548 | |
336b6819 KB |
7549 | pqi_registers = ctrl_info->pqi_registers; |
7550 | timeout_msecs = readw(&pqi_registers->max_reset_timeout) * 100; | |
7551 | timeout = msecs_to_jiffies(timeout_msecs) + jiffies; | |
7552 | ||
7553 | while (1) { | |
7554 | msleep(PQI_RESET_POLL_INTERVAL_MSECS); | |
7555 | reset_reg.all_bits = readl(&pqi_registers->device_reset); | |
7556 | if (reset_reg.bits.reset_action == PQI_RESET_ACTION_COMPLETED) | |
7557 | break; | |
85b41834 | 7558 | if (!sis_is_firmware_running(ctrl_info)) { |
336b6819 KB |
7559 | rc = -ENXIO; |
7560 | break; | |
7561 | } | |
7562 | if (time_after(jiffies, timeout)) { | |
7563 | rc = -ETIMEDOUT; | |
7564 | break; | |
7565 | } | |
7566 | } | |
7567 | ||
7568 | return rc; | |
7569 | } | |
6c223761 KB |
7570 | |
7571 | static int pqi_reset(struct pqi_ctrl_info *ctrl_info) | |
7572 | { | |
7573 | int rc; | |
336b6819 KB |
7574 | union pqi_reset_register reset_reg; |
7575 | ||
7576 | if (ctrl_info->pqi_reset_quiesce_supported) { | |
7577 | rc = sis_pqi_reset_quiesce(ctrl_info); | |
7578 | if (rc) { | |
7579 | dev_err(&ctrl_info->pci_dev->dev, | |
583891c9 | 7580 | "PQI reset failed during quiesce with error %d\n", rc); |
336b6819 KB |
7581 | return rc; |
7582 | } | |
7583 | } | |
6c223761 | 7584 | |
336b6819 KB |
7585 | reset_reg.all_bits = 0; |
7586 | reset_reg.bits.reset_type = PQI_RESET_TYPE_HARD_RESET; | |
7587 | reset_reg.bits.reset_action = PQI_RESET_ACTION_RESET; | |
6c223761 | 7588 | |
336b6819 | 7589 | writel(reset_reg.all_bits, &ctrl_info->pqi_registers->device_reset); |
6c223761 | 7590 | |
336b6819 | 7591 | rc = pqi_wait_for_pqi_reset_completion(ctrl_info); |
6c223761 KB |
7592 | if (rc) |
7593 | dev_err(&ctrl_info->pci_dev->dev, | |
336b6819 | 7594 | "PQI reset failed with error %d\n", rc); |
6c223761 KB |
7595 | |
7596 | return rc; | |
7597 | } | |
7598 | ||
6d90615f MB |
7599 | static int pqi_get_ctrl_serial_number(struct pqi_ctrl_info *ctrl_info) |
7600 | { | |
7601 | int rc; | |
7602 | struct bmic_sense_subsystem_info *sense_info; | |
7603 | ||
7604 | sense_info = kzalloc(sizeof(*sense_info), GFP_KERNEL); | |
7605 | if (!sense_info) | |
7606 | return -ENOMEM; | |
7607 | ||
7608 | rc = pqi_sense_subsystem_info(ctrl_info, sense_info); | |
7609 | if (rc) | |
7610 | goto out; | |
7611 | ||
7612 | memcpy(ctrl_info->serial_number, sense_info->ctrl_serial_number, | |
7613 | sizeof(sense_info->ctrl_serial_number)); | |
7614 | ctrl_info->serial_number[sizeof(sense_info->ctrl_serial_number)] = '\0'; | |
7615 | ||
7616 | out: | |
7617 | kfree(sense_info); | |
7618 | ||
7619 | return rc; | |
7620 | } | |
7621 | ||
7622 | static int pqi_get_ctrl_product_details(struct pqi_ctrl_info *ctrl_info) | |
6c223761 KB |
7623 | { |
7624 | int rc; | |
7625 | struct bmic_identify_controller *identify; | |
7626 | ||
7627 | identify = kmalloc(sizeof(*identify), GFP_KERNEL); | |
7628 | if (!identify) | |
7629 | return -ENOMEM; | |
7630 | ||
7631 | rc = pqi_identify_controller(ctrl_info, identify); | |
7632 | if (rc) | |
7633 | goto out; | |
7634 | ||
598bef8d KB |
7635 | if (get_unaligned_le32(&identify->extra_controller_flags) & |
7636 | BMIC_IDENTIFY_EXTRA_FLAGS_LONG_FW_VERSION_SUPPORTED) { | |
7637 | memcpy(ctrl_info->firmware_version, | |
7638 | identify->firmware_version_long, | |
7639 | sizeof(identify->firmware_version_long)); | |
7640 | } else { | |
7641 | memcpy(ctrl_info->firmware_version, | |
7642 | identify->firmware_version_short, | |
7643 | sizeof(identify->firmware_version_short)); | |
7644 | ctrl_info->firmware_version | |
7645 | [sizeof(identify->firmware_version_short)] = '\0'; | |
7646 | snprintf(ctrl_info->firmware_version + | |
7647 | strlen(ctrl_info->firmware_version), | |
7648 | sizeof(ctrl_info->firmware_version) - | |
7649 | sizeof(identify->firmware_version_short), | |
7650 | "-%u", | |
7651 | get_unaligned_le16(&identify->firmware_build_number)); | |
7652 | } | |
6c223761 | 7653 | |
6d90615f MB |
7654 | memcpy(ctrl_info->model, identify->product_id, |
7655 | sizeof(identify->product_id)); | |
7656 | ctrl_info->model[sizeof(identify->product_id)] = '\0'; | |
7657 | ||
7658 | memcpy(ctrl_info->vendor, identify->vendor_id, | |
7659 | sizeof(identify->vendor_id)); | |
7660 | ctrl_info->vendor[sizeof(identify->vendor_id)] = '\0'; | |
7661 | ||
1d393227 GW |
7662 | dev_info(&ctrl_info->pci_dev->dev, |
7663 | "Firmware version: %s\n", ctrl_info->firmware_version); | |
7664 | ||
6c223761 KB |
7665 | out: |
7666 | kfree(identify); | |
7667 | ||
7668 | return rc; | |
7669 | } | |
7670 | ||
b212c251 KB |
7671 | struct pqi_config_table_section_info { |
7672 | struct pqi_ctrl_info *ctrl_info; | |
7673 | void *section; | |
7674 | u32 section_offset; | |
7675 | void __iomem *section_iomem_addr; | |
7676 | }; | |
7677 | ||
7678 | static inline bool pqi_is_firmware_feature_supported( | |
7679 | struct pqi_config_table_firmware_features *firmware_features, | |
7680 | unsigned int bit_position) | |
98f87667 | 7681 | { |
b212c251 | 7682 | unsigned int byte_index; |
98f87667 | 7683 | |
b212c251 | 7684 | byte_index = bit_position / BITS_PER_BYTE; |
98f87667 | 7685 | |
b212c251 KB |
7686 | if (byte_index >= le16_to_cpu(firmware_features->num_elements)) |
7687 | return false; | |
98f87667 | 7688 | |
b212c251 KB |
7689 | return firmware_features->features_supported[byte_index] & |
7690 | (1 << (bit_position % BITS_PER_BYTE)) ? true : false; | |
7691 | } | |
7692 | ||
7693 | static inline bool pqi_is_firmware_feature_enabled( | |
7694 | struct pqi_config_table_firmware_features *firmware_features, | |
7695 | void __iomem *firmware_features_iomem_addr, | |
7696 | unsigned int bit_position) | |
7697 | { | |
7698 | unsigned int byte_index; | |
7699 | u8 __iomem *features_enabled_iomem_addr; | |
7700 | ||
7701 | byte_index = (bit_position / BITS_PER_BYTE) + | |
7702 | (le16_to_cpu(firmware_features->num_elements) * 2); | |
7703 | ||
7704 | features_enabled_iomem_addr = firmware_features_iomem_addr + | |
7705 | offsetof(struct pqi_config_table_firmware_features, | |
7706 | features_supported) + byte_index; | |
7707 | ||
7708 | return *((__force u8 *)features_enabled_iomem_addr) & | |
7709 | (1 << (bit_position % BITS_PER_BYTE)) ? true : false; | |
7710 | } | |
7711 | ||
7712 | static inline void pqi_request_firmware_feature( | |
7713 | struct pqi_config_table_firmware_features *firmware_features, | |
7714 | unsigned int bit_position) | |
7715 | { | |
7716 | unsigned int byte_index; | |
7717 | ||
7718 | byte_index = (bit_position / BITS_PER_BYTE) + | |
7719 | le16_to_cpu(firmware_features->num_elements); | |
7720 | ||
7721 | firmware_features->features_supported[byte_index] |= | |
7722 | (1 << (bit_position % BITS_PER_BYTE)); | |
7723 | } | |
7724 | ||
7725 | static int pqi_config_table_update(struct pqi_ctrl_info *ctrl_info, | |
7726 | u16 first_section, u16 last_section) | |
7727 | { | |
7728 | struct pqi_vendor_general_request request; | |
7729 | ||
7730 | memset(&request, 0, sizeof(request)); | |
7731 | ||
7732 | request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; | |
7733 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
7734 | &request.header.iu_length); | |
7735 | put_unaligned_le16(PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE, | |
7736 | &request.function_code); | |
7737 | put_unaligned_le16(first_section, | |
7738 | &request.data.config_table_update.first_section); | |
7739 | put_unaligned_le16(last_section, | |
7740 | &request.data.config_table_update.last_section); | |
7741 | ||
ae0c189d | 7742 | return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
b212c251 KB |
7743 | } |
7744 | ||
7745 | static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info, | |
7746 | struct pqi_config_table_firmware_features *firmware_features, | |
7747 | void __iomem *firmware_features_iomem_addr) | |
7748 | { | |
7749 | void *features_requested; | |
7750 | void __iomem *features_requested_iomem_addr; | |
f6cc2a77 | 7751 | void __iomem *host_max_known_feature_iomem_addr; |
b212c251 KB |
7752 | |
7753 | features_requested = firmware_features->features_supported + | |
7754 | le16_to_cpu(firmware_features->num_elements); | |
7755 | ||
7756 | features_requested_iomem_addr = firmware_features_iomem_addr + | |
7757 | (features_requested - (void *)firmware_features); | |
7758 | ||
7759 | memcpy_toio(features_requested_iomem_addr, features_requested, | |
7760 | le16_to_cpu(firmware_features->num_elements)); | |
7761 | ||
f6cc2a77 KB |
7762 | if (pqi_is_firmware_feature_supported(firmware_features, |
7763 | PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE)) { | |
7764 | host_max_known_feature_iomem_addr = | |
7765 | features_requested_iomem_addr + | |
7766 | (le16_to_cpu(firmware_features->num_elements) * 2) + | |
7767 | sizeof(__le16); | |
c23efd9e DB |
7768 | writeb(PQI_FIRMWARE_FEATURE_MAXIMUM & 0xFF, host_max_known_feature_iomem_addr); |
7769 | writeb((PQI_FIRMWARE_FEATURE_MAXIMUM & 0xFF00) >> 8, host_max_known_feature_iomem_addr + 1); | |
f6cc2a77 KB |
7770 | } |
7771 | ||
b212c251 KB |
7772 | return pqi_config_table_update(ctrl_info, |
7773 | PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES, | |
7774 | PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES); | |
7775 | } | |
7776 | ||
7777 | struct pqi_firmware_feature { | |
7778 | char *feature_name; | |
7779 | unsigned int feature_bit; | |
7780 | bool supported; | |
7781 | bool enabled; | |
7782 | void (*feature_status)(struct pqi_ctrl_info *ctrl_info, | |
7783 | struct pqi_firmware_feature *firmware_feature); | |
7784 | }; | |
7785 | ||
7786 | static void pqi_firmware_feature_status(struct pqi_ctrl_info *ctrl_info, | |
7787 | struct pqi_firmware_feature *firmware_feature) | |
7788 | { | |
7789 | if (!firmware_feature->supported) { | |
7790 | dev_info(&ctrl_info->pci_dev->dev, "%s not supported by controller\n", | |
7791 | firmware_feature->feature_name); | |
7792 | return; | |
7793 | } | |
7794 | ||
7795 | if (firmware_feature->enabled) { | |
7796 | dev_info(&ctrl_info->pci_dev->dev, | |
7797 | "%s enabled\n", firmware_feature->feature_name); | |
7798 | return; | |
7799 | } | |
7800 | ||
7801 | dev_err(&ctrl_info->pci_dev->dev, "failed to enable %s\n", | |
7802 | firmware_feature->feature_name); | |
7803 | } | |
7804 | ||
21432010 | 7805 | static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, |
7806 | struct pqi_firmware_feature *firmware_feature) | |
7807 | { | |
7808 | switch (firmware_feature->feature_bit) { | |
f6cc2a77 KB |
7809 | case PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS: |
7810 | ctrl_info->enable_r1_writes = firmware_feature->enabled; | |
7811 | break; | |
7812 | case PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS: | |
7813 | ctrl_info->enable_r5_writes = firmware_feature->enabled; | |
7814 | break; | |
7815 | case PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS: | |
7816 | ctrl_info->enable_r6_writes = firmware_feature->enabled; | |
7817 | break; | |
21432010 | 7818 | case PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE: |
7819 | ctrl_info->soft_reset_handshake_supported = | |
4ccc354b KB |
7820 | firmware_feature->enabled && |
7821 | pqi_read_soft_reset_status(ctrl_info); | |
21432010 | 7822 | break; |
7823 | case PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT: | |
583891c9 | 7824 | ctrl_info->raid_iu_timeout_supported = firmware_feature->enabled; |
21432010 | 7825 | break; |
c2922f17 | 7826 | case PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT: |
583891c9 | 7827 | ctrl_info->tmf_iu_timeout_supported = firmware_feature->enabled; |
c2922f17 | 7828 | break; |
5d1f03e6 MB |
7829 | case PQI_FIRMWARE_FEATURE_FW_TRIAGE: |
7830 | ctrl_info->firmware_triage_supported = firmware_feature->enabled; | |
9ee5d6e9 | 7831 | pqi_save_fw_triage_setting(ctrl_info, firmware_feature->enabled); |
5d1f03e6 | 7832 | break; |
28ca6d87 MM |
7833 | case PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5: |
7834 | ctrl_info->rpl_extended_format_4_5_supported = firmware_feature->enabled; | |
7835 | break; | |
904f2bfd KM |
7836 | case PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT: |
7837 | ctrl_info->multi_lun_device_supported = firmware_feature->enabled; | |
7838 | break; | |
21432010 | 7839 | } |
7840 | ||
7841 | pqi_firmware_feature_status(ctrl_info, firmware_feature); | |
7842 | } | |
7843 | ||
b212c251 KB |
7844 | static inline void pqi_firmware_feature_update(struct pqi_ctrl_info *ctrl_info, |
7845 | struct pqi_firmware_feature *firmware_feature) | |
7846 | { | |
7847 | if (firmware_feature->feature_status) | |
7848 | firmware_feature->feature_status(ctrl_info, firmware_feature); | |
7849 | } | |
7850 | ||
7851 | static DEFINE_MUTEX(pqi_firmware_features_mutex); | |
7852 | ||
7853 | static struct pqi_firmware_feature pqi_firmware_features[] = { | |
7854 | { | |
7855 | .feature_name = "Online Firmware Activation", | |
7856 | .feature_bit = PQI_FIRMWARE_FEATURE_OFA, | |
7857 | .feature_status = pqi_firmware_feature_status, | |
7858 | }, | |
7859 | { | |
7860 | .feature_name = "Serial Management Protocol", | |
7861 | .feature_bit = PQI_FIRMWARE_FEATURE_SMP, | |
7862 | .feature_status = pqi_firmware_feature_status, | |
7863 | }, | |
f6cc2a77 KB |
7864 | { |
7865 | .feature_name = "Maximum Known Feature", | |
7866 | .feature_bit = PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE, | |
7867 | .feature_status = pqi_firmware_feature_status, | |
7868 | }, | |
7869 | { | |
7870 | .feature_name = "RAID 0 Read Bypass", | |
7871 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_READ_BYPASS, | |
b212c251 KB |
7872 | .feature_status = pqi_firmware_feature_status, |
7873 | }, | |
7874 | { | |
f6cc2a77 KB |
7875 | .feature_name = "RAID 1 Read Bypass", |
7876 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_READ_BYPASS, | |
7877 | .feature_status = pqi_firmware_feature_status, | |
7878 | }, | |
7879 | { | |
7880 | .feature_name = "RAID 5 Read Bypass", | |
7881 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_READ_BYPASS, | |
b212c251 KB |
7882 | .feature_status = pqi_firmware_feature_status, |
7883 | }, | |
f6cc2a77 KB |
7884 | { |
7885 | .feature_name = "RAID 6 Read Bypass", | |
7886 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_READ_BYPASS, | |
7887 | .feature_status = pqi_firmware_feature_status, | |
7888 | }, | |
7889 | { | |
7890 | .feature_name = "RAID 0 Write Bypass", | |
7891 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_WRITE_BYPASS, | |
7892 | .feature_status = pqi_firmware_feature_status, | |
7893 | }, | |
7894 | { | |
7895 | .feature_name = "RAID 1 Write Bypass", | |
7896 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS, | |
7897 | .feature_status = pqi_ctrl_update_feature_flags, | |
7898 | }, | |
7899 | { | |
7900 | .feature_name = "RAID 5 Write Bypass", | |
7901 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS, | |
7902 | .feature_status = pqi_ctrl_update_feature_flags, | |
7903 | }, | |
7904 | { | |
7905 | .feature_name = "RAID 6 Write Bypass", | |
7906 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS, | |
7907 | .feature_status = pqi_ctrl_update_feature_flags, | |
7908 | }, | |
4fd22c13 MR |
7909 | { |
7910 | .feature_name = "New Soft Reset Handshake", | |
7911 | .feature_bit = PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE, | |
21432010 | 7912 | .feature_status = pqi_ctrl_update_feature_flags, |
7913 | }, | |
7914 | { | |
7915 | .feature_name = "RAID IU Timeout", | |
7916 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT, | |
7917 | .feature_status = pqi_ctrl_update_feature_flags, | |
4fd22c13 | 7918 | }, |
c2922f17 MB |
7919 | { |
7920 | .feature_name = "TMF IU Timeout", | |
7921 | .feature_bit = PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT, | |
7922 | .feature_status = pqi_ctrl_update_feature_flags, | |
7923 | }, | |
f6cc2a77 KB |
7924 | { |
7925 | .feature_name = "RAID Bypass on encrypted logical volumes on NVMe", | |
7926 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME, | |
7927 | .feature_status = pqi_firmware_feature_status, | |
7928 | }, | |
5d1f03e6 MB |
7929 | { |
7930 | .feature_name = "Firmware Triage", | |
7931 | .feature_bit = PQI_FIRMWARE_FEATURE_FW_TRIAGE, | |
7932 | .feature_status = pqi_ctrl_update_feature_flags, | |
7933 | }, | |
28ca6d87 MM |
7934 | { |
7935 | .feature_name = "RPL Extended Formats 4 and 5", | |
7936 | .feature_bit = PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5, | |
7937 | .feature_status = pqi_ctrl_update_feature_flags, | |
7938 | }, | |
904f2bfd KM |
7939 | { |
7940 | .feature_name = "Multi-LUN Target", | |
7941 | .feature_bit = PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT, | |
7942 | .feature_status = pqi_ctrl_update_feature_flags, | |
7943 | }, | |
b212c251 KB |
7944 | }; |
7945 | ||
7946 | static void pqi_process_firmware_features( | |
7947 | struct pqi_config_table_section_info *section_info) | |
7948 | { | |
7949 | int rc; | |
7950 | struct pqi_ctrl_info *ctrl_info; | |
7951 | struct pqi_config_table_firmware_features *firmware_features; | |
7952 | void __iomem *firmware_features_iomem_addr; | |
7953 | unsigned int i; | |
7954 | unsigned int num_features_supported; | |
7955 | ||
7956 | ctrl_info = section_info->ctrl_info; | |
7957 | firmware_features = section_info->section; | |
7958 | firmware_features_iomem_addr = section_info->section_iomem_addr; | |
7959 | ||
7960 | for (i = 0, num_features_supported = 0; | |
7961 | i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7962 | if (pqi_is_firmware_feature_supported(firmware_features, | |
7963 | pqi_firmware_features[i].feature_bit)) { | |
7964 | pqi_firmware_features[i].supported = true; | |
7965 | num_features_supported++; | |
7966 | } else { | |
7967 | pqi_firmware_feature_update(ctrl_info, | |
7968 | &pqi_firmware_features[i]); | |
7969 | } | |
7970 | } | |
7971 | ||
7972 | if (num_features_supported == 0) | |
7973 | return; | |
7974 | ||
7975 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7976 | if (!pqi_firmware_features[i].supported) | |
7977 | continue; | |
7978 | pqi_request_firmware_feature(firmware_features, | |
7979 | pqi_firmware_features[i].feature_bit); | |
7980 | } | |
7981 | ||
7982 | rc = pqi_enable_firmware_features(ctrl_info, firmware_features, | |
7983 | firmware_features_iomem_addr); | |
7984 | if (rc) { | |
7985 | dev_err(&ctrl_info->pci_dev->dev, | |
7986 | "failed to enable firmware features in PQI configuration table\n"); | |
7987 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7988 | if (!pqi_firmware_features[i].supported) | |
7989 | continue; | |
7990 | pqi_firmware_feature_update(ctrl_info, | |
7991 | &pqi_firmware_features[i]); | |
7992 | } | |
7993 | return; | |
7994 | } | |
7995 | ||
7996 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7997 | if (!pqi_firmware_features[i].supported) | |
7998 | continue; | |
7999 | if (pqi_is_firmware_feature_enabled(firmware_features, | |
8000 | firmware_features_iomem_addr, | |
4fd22c13 | 8001 | pqi_firmware_features[i].feature_bit)) { |
583891c9 | 8002 | pqi_firmware_features[i].enabled = true; |
4fd22c13 | 8003 | } |
b212c251 KB |
8004 | pqi_firmware_feature_update(ctrl_info, |
8005 | &pqi_firmware_features[i]); | |
8006 | } | |
8007 | } | |
8008 | ||
8009 | static void pqi_init_firmware_features(void) | |
8010 | { | |
8011 | unsigned int i; | |
8012 | ||
8013 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
8014 | pqi_firmware_features[i].supported = false; | |
8015 | pqi_firmware_features[i].enabled = false; | |
8016 | } | |
8017 | } | |
8018 | ||
8019 | static void pqi_process_firmware_features_section( | |
8020 | struct pqi_config_table_section_info *section_info) | |
8021 | { | |
8022 | mutex_lock(&pqi_firmware_features_mutex); | |
8023 | pqi_init_firmware_features(); | |
8024 | pqi_process_firmware_features(section_info); | |
8025 | mutex_unlock(&pqi_firmware_features_mutex); | |
8026 | } | |
8027 | ||
f6cc2a77 KB |
8028 | /* |
8029 | * Reset all controller settings that can be initialized during the processing | |
8030 | * of the PQI Configuration Table. | |
8031 | */ | |
8032 | ||
4ccc354b KB |
8033 | static void pqi_ctrl_reset_config(struct pqi_ctrl_info *ctrl_info) |
8034 | { | |
8035 | ctrl_info->heartbeat_counter = NULL; | |
8036 | ctrl_info->soft_reset_status = NULL; | |
8037 | ctrl_info->soft_reset_handshake_supported = false; | |
8038 | ctrl_info->enable_r1_writes = false; | |
8039 | ctrl_info->enable_r5_writes = false; | |
8040 | ctrl_info->enable_r6_writes = false; | |
8041 | ctrl_info->raid_iu_timeout_supported = false; | |
8042 | ctrl_info->tmf_iu_timeout_supported = false; | |
5d1f03e6 | 8043 | ctrl_info->firmware_triage_supported = false; |
28ca6d87 | 8044 | ctrl_info->rpl_extended_format_4_5_supported = false; |
904f2bfd | 8045 | ctrl_info->multi_lun_device_supported = false; |
4ccc354b KB |
8046 | } |
8047 | ||
98f87667 KB |
8048 | static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) |
8049 | { | |
8050 | u32 table_length; | |
8051 | u32 section_offset; | |
f6cc2a77 | 8052 | bool firmware_feature_section_present; |
98f87667 KB |
8053 | void __iomem *table_iomem_addr; |
8054 | struct pqi_config_table *config_table; | |
8055 | struct pqi_config_table_section_header *section; | |
b212c251 | 8056 | struct pqi_config_table_section_info section_info; |
921800a1 | 8057 | struct pqi_config_table_section_info feature_section_info = {0}; |
98f87667 KB |
8058 | |
8059 | table_length = ctrl_info->config_table_length; | |
b212c251 KB |
8060 | if (table_length == 0) |
8061 | return 0; | |
98f87667 KB |
8062 | |
8063 | config_table = kmalloc(table_length, GFP_KERNEL); | |
8064 | if (!config_table) { | |
8065 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8066 | "failed to allocate memory for PQI configuration table\n"); |
98f87667 KB |
8067 | return -ENOMEM; |
8068 | } | |
8069 | ||
8070 | /* | |
8071 | * Copy the config table contents from I/O memory space into the | |
8072 | * temporary buffer. | |
8073 | */ | |
583891c9 | 8074 | table_iomem_addr = ctrl_info->iomem_base + ctrl_info->config_table_offset; |
98f87667 KB |
8075 | memcpy_fromio(config_table, table_iomem_addr, table_length); |
8076 | ||
f6cc2a77 | 8077 | firmware_feature_section_present = false; |
b212c251 | 8078 | section_info.ctrl_info = ctrl_info; |
583891c9 | 8079 | section_offset = get_unaligned_le32(&config_table->first_section_offset); |
98f87667 KB |
8080 | |
8081 | while (section_offset) { | |
8082 | section = (void *)config_table + section_offset; | |
8083 | ||
b212c251 KB |
8084 | section_info.section = section; |
8085 | section_info.section_offset = section_offset; | |
583891c9 | 8086 | section_info.section_iomem_addr = table_iomem_addr + section_offset; |
b212c251 | 8087 | |
98f87667 | 8088 | switch (get_unaligned_le16(§ion->section_id)) { |
b212c251 | 8089 | case PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES: |
f6cc2a77 KB |
8090 | firmware_feature_section_present = true; |
8091 | feature_section_info = section_info; | |
b212c251 | 8092 | break; |
98f87667 | 8093 | case PQI_CONFIG_TABLE_SECTION_HEARTBEAT: |
5a259e32 KB |
8094 | if (pqi_disable_heartbeat) |
8095 | dev_warn(&ctrl_info->pci_dev->dev, | |
8096 | "heartbeat disabled by module parameter\n"); | |
8097 | else | |
8098 | ctrl_info->heartbeat_counter = | |
8099 | table_iomem_addr + | |
8100 | section_offset + | |
583891c9 | 8101 | offsetof(struct pqi_config_table_heartbeat, |
5a259e32 | 8102 | heartbeat_counter); |
98f87667 | 8103 | break; |
4fd22c13 MR |
8104 | case PQI_CONFIG_TABLE_SECTION_SOFT_RESET: |
8105 | ctrl_info->soft_reset_status = | |
8106 | table_iomem_addr + | |
8107 | section_offset + | |
8108 | offsetof(struct pqi_config_table_soft_reset, | |
583891c9 | 8109 | soft_reset_status); |
4fd22c13 | 8110 | break; |
98f87667 KB |
8111 | } |
8112 | ||
583891c9 | 8113 | section_offset = get_unaligned_le16(§ion->next_section_offset); |
98f87667 KB |
8114 | } |
8115 | ||
f6cc2a77 KB |
8116 | /* |
8117 | * We process the firmware feature section after all other sections | |
8118 | * have been processed so that the feature bit callbacks can take | |
8119 | * into account the settings configured by other sections. | |
8120 | */ | |
8121 | if (firmware_feature_section_present) | |
8122 | pqi_process_firmware_features_section(&feature_section_info); | |
8123 | ||
98f87667 KB |
8124 | kfree(config_table); |
8125 | ||
8126 | return 0; | |
8127 | } | |
8128 | ||
162d7753 KB |
8129 | /* Switches the controller from PQI mode back into SIS mode. */ |
8130 | ||
8131 | static int pqi_revert_to_sis_mode(struct pqi_ctrl_info *ctrl_info) | |
8132 | { | |
8133 | int rc; | |
8134 | ||
061ef06a | 8135 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_NONE); |
162d7753 KB |
8136 | rc = pqi_reset(ctrl_info); |
8137 | if (rc) | |
8138 | return rc; | |
4f078e24 KB |
8139 | rc = sis_reenable_sis_mode(ctrl_info); |
8140 | if (rc) { | |
8141 | dev_err(&ctrl_info->pci_dev->dev, | |
8142 | "re-enabling SIS mode failed with error %d\n", rc); | |
8143 | return rc; | |
8144 | } | |
162d7753 KB |
8145 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); |
8146 | ||
8147 | return 0; | |
8148 | } | |
8149 | ||
8150 | /* | |
8151 | * If the controller isn't already in SIS mode, this function forces it into | |
8152 | * SIS mode. | |
8153 | */ | |
8154 | ||
8155 | static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info) | |
ff6abb73 KB |
8156 | { |
8157 | if (!sis_is_firmware_running(ctrl_info)) | |
8158 | return -ENXIO; | |
8159 | ||
162d7753 KB |
8160 | if (pqi_get_ctrl_mode(ctrl_info) == SIS_MODE) |
8161 | return 0; | |
8162 | ||
8163 | if (sis_is_kernel_up(ctrl_info)) { | |
8164 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); | |
8165 | return 0; | |
ff6abb73 KB |
8166 | } |
8167 | ||
162d7753 | 8168 | return pqi_revert_to_sis_mode(ctrl_info); |
ff6abb73 KB |
8169 | } |
8170 | ||
3ada501d MR |
8171 | static void pqi_perform_lockup_action(void) |
8172 | { | |
8173 | switch (pqi_lockup_action) { | |
8174 | case PANIC: | |
8175 | panic("FATAL: Smart Family Controller lockup detected"); | |
8176 | break; | |
8177 | case REBOOT: | |
8178 | emergency_restart(); | |
8179 | break; | |
8180 | case NONE: | |
8181 | default: | |
8182 | break; | |
8183 | } | |
8184 | } | |
8185 | ||
6c223761 KB |
8186 | static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) |
8187 | { | |
8188 | int rc; | |
2708a256 | 8189 | u32 product_id; |
6c223761 | 8190 | |
0530736e | 8191 | if (reset_devices) { |
9ee5d6e9 MR |
8192 | if (pqi_is_fw_triage_supported(ctrl_info)) { |
8193 | rc = sis_wait_for_fw_triage_completion(ctrl_info); | |
8194 | if (rc) | |
8195 | return rc; | |
8196 | } | |
0530736e | 8197 | sis_soft_reset(ctrl_info); |
42dc0426 | 8198 | ssleep(PQI_POST_RESET_DELAY_SECS); |
0530736e KB |
8199 | } else { |
8200 | rc = pqi_force_sis_mode(ctrl_info); | |
8201 | if (rc) | |
8202 | return rc; | |
8203 | } | |
6c223761 KB |
8204 | |
8205 | /* | |
8206 | * Wait until the controller is ready to start accepting SIS | |
8207 | * commands. | |
8208 | */ | |
8209 | rc = sis_wait_for_ctrl_ready(ctrl_info); | |
3ada501d MR |
8210 | if (rc) { |
8211 | if (reset_devices) { | |
8212 | dev_err(&ctrl_info->pci_dev->dev, | |
8213 | "kdump init failed with error %d\n", rc); | |
8214 | pqi_lockup_action = REBOOT; | |
8215 | pqi_perform_lockup_action(); | |
8216 | } | |
6c223761 | 8217 | return rc; |
3ada501d | 8218 | } |
6c223761 KB |
8219 | |
8220 | /* | |
8221 | * Get the controller properties. This allows us to determine | |
8222 | * whether or not it supports PQI mode. | |
8223 | */ | |
8224 | rc = sis_get_ctrl_properties(ctrl_info); | |
8225 | if (rc) { | |
8226 | dev_err(&ctrl_info->pci_dev->dev, | |
8227 | "error obtaining controller properties\n"); | |
8228 | return rc; | |
8229 | } | |
8230 | ||
8231 | rc = sis_get_pqi_capabilities(ctrl_info); | |
8232 | if (rc) { | |
8233 | dev_err(&ctrl_info->pci_dev->dev, | |
8234 | "error obtaining controller capabilities\n"); | |
8235 | return rc; | |
8236 | } | |
8237 | ||
2708a256 KB |
8238 | product_id = sis_get_product_id(ctrl_info); |
8239 | ctrl_info->product_id = (u8)product_id; | |
8240 | ctrl_info->product_revision = (u8)(product_id >> 8); | |
8241 | ||
d727a776 KB |
8242 | if (reset_devices) { |
8243 | if (ctrl_info->max_outstanding_requests > | |
8244 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP) | |
583891c9 | 8245 | ctrl_info->max_outstanding_requests = |
d727a776 KB |
8246 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP; |
8247 | } else { | |
8248 | if (ctrl_info->max_outstanding_requests > | |
8249 | PQI_MAX_OUTSTANDING_REQUESTS) | |
583891c9 | 8250 | ctrl_info->max_outstanding_requests = |
d727a776 KB |
8251 | PQI_MAX_OUTSTANDING_REQUESTS; |
8252 | } | |
6c223761 KB |
8253 | |
8254 | pqi_calculate_io_resources(ctrl_info); | |
8255 | ||
8256 | rc = pqi_alloc_error_buffer(ctrl_info); | |
8257 | if (rc) { | |
8258 | dev_err(&ctrl_info->pci_dev->dev, | |
8259 | "failed to allocate PQI error buffer\n"); | |
8260 | return rc; | |
8261 | } | |
8262 | ||
8263 | /* | |
8264 | * If the function we are about to call succeeds, the | |
8265 | * controller will transition from legacy SIS mode | |
8266 | * into PQI mode. | |
8267 | */ | |
8268 | rc = sis_init_base_struct_addr(ctrl_info); | |
8269 | if (rc) { | |
8270 | dev_err(&ctrl_info->pci_dev->dev, | |
8271 | "error initializing PQI mode\n"); | |
8272 | return rc; | |
8273 | } | |
8274 | ||
8275 | /* Wait for the controller to complete the SIS -> PQI transition. */ | |
8276 | rc = pqi_wait_for_pqi_mode_ready(ctrl_info); | |
8277 | if (rc) { | |
8278 | dev_err(&ctrl_info->pci_dev->dev, | |
8279 | "transition to PQI mode failed\n"); | |
8280 | return rc; | |
8281 | } | |
8282 | ||
8283 | /* From here on, we are running in PQI mode. */ | |
8284 | ctrl_info->pqi_mode_enabled = true; | |
ff6abb73 | 8285 | pqi_save_ctrl_mode(ctrl_info, PQI_MODE); |
6c223761 KB |
8286 | |
8287 | rc = pqi_alloc_admin_queues(ctrl_info); | |
8288 | if (rc) { | |
8289 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8290 | "failed to allocate admin queues\n"); |
6c223761 KB |
8291 | return rc; |
8292 | } | |
8293 | ||
8294 | rc = pqi_create_admin_queues(ctrl_info); | |
8295 | if (rc) { | |
8296 | dev_err(&ctrl_info->pci_dev->dev, | |
8297 | "error creating admin queues\n"); | |
8298 | return rc; | |
8299 | } | |
8300 | ||
8301 | rc = pqi_report_device_capability(ctrl_info); | |
8302 | if (rc) { | |
8303 | dev_err(&ctrl_info->pci_dev->dev, | |
8304 | "obtaining device capability failed\n"); | |
8305 | return rc; | |
8306 | } | |
8307 | ||
8308 | rc = pqi_validate_device_capability(ctrl_info); | |
8309 | if (rc) | |
8310 | return rc; | |
8311 | ||
8312 | pqi_calculate_queue_resources(ctrl_info); | |
8313 | ||
8314 | rc = pqi_enable_msix_interrupts(ctrl_info); | |
8315 | if (rc) | |
8316 | return rc; | |
8317 | ||
8318 | if (ctrl_info->num_msix_vectors_enabled < ctrl_info->num_queue_groups) { | |
8319 | ctrl_info->max_msix_vectors = | |
8320 | ctrl_info->num_msix_vectors_enabled; | |
8321 | pqi_calculate_queue_resources(ctrl_info); | |
8322 | } | |
8323 | ||
8324 | rc = pqi_alloc_io_resources(ctrl_info); | |
8325 | if (rc) | |
8326 | return rc; | |
8327 | ||
8328 | rc = pqi_alloc_operational_queues(ctrl_info); | |
d87d5474 KB |
8329 | if (rc) { |
8330 | dev_err(&ctrl_info->pci_dev->dev, | |
8331 | "failed to allocate operational queues\n"); | |
6c223761 | 8332 | return rc; |
d87d5474 | 8333 | } |
6c223761 KB |
8334 | |
8335 | pqi_init_operational_queues(ctrl_info); | |
8336 | ||
0777a3fb | 8337 | rc = pqi_create_queues(ctrl_info); |
6c223761 KB |
8338 | if (rc) |
8339 | return rc; | |
8340 | ||
0777a3fb | 8341 | rc = pqi_request_irqs(ctrl_info); |
6c223761 KB |
8342 | if (rc) |
8343 | return rc; | |
8344 | ||
061ef06a KB |
8345 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_MSIX); |
8346 | ||
8347 | ctrl_info->controller_online = true; | |
b212c251 KB |
8348 | |
8349 | rc = pqi_process_config_table(ctrl_info); | |
8350 | if (rc) | |
8351 | return rc; | |
8352 | ||
061ef06a | 8353 | pqi_start_heartbeat_timer(ctrl_info); |
6c223761 | 8354 | |
f6cc2a77 KB |
8355 | if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { |
8356 | rc = pqi_get_advanced_raid_bypass_config(ctrl_info); | |
8357 | if (rc) { /* Supported features not returned correctly. */ | |
8358 | dev_err(&ctrl_info->pci_dev->dev, | |
8359 | "error obtaining advanced RAID bypass configuration\n"); | |
8360 | return rc; | |
8361 | } | |
8362 | ctrl_info->ciss_report_log_flags |= | |
8363 | CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; | |
8364 | } | |
8365 | ||
6a50d6ad | 8366 | rc = pqi_enable_events(ctrl_info); |
6c223761 KB |
8367 | if (rc) { |
8368 | dev_err(&ctrl_info->pci_dev->dev, | |
6a50d6ad | 8369 | "error enabling events\n"); |
6c223761 KB |
8370 | return rc; |
8371 | } | |
8372 | ||
6c223761 KB |
8373 | /* Register with the SCSI subsystem. */ |
8374 | rc = pqi_register_scsi(ctrl_info); | |
8375 | if (rc) | |
8376 | return rc; | |
8377 | ||
6d90615f MB |
8378 | rc = pqi_get_ctrl_product_details(ctrl_info); |
8379 | if (rc) { | |
8380 | dev_err(&ctrl_info->pci_dev->dev, | |
8381 | "error obtaining product details\n"); | |
8382 | return rc; | |
8383 | } | |
8384 | ||
8385 | rc = pqi_get_ctrl_serial_number(ctrl_info); | |
6c223761 KB |
8386 | if (rc) { |
8387 | dev_err(&ctrl_info->pci_dev->dev, | |
6d90615f | 8388 | "error obtaining ctrl serial number\n"); |
6c223761 KB |
8389 | return rc; |
8390 | } | |
8391 | ||
171c2865 DC |
8392 | rc = pqi_set_diag_rescan(ctrl_info); |
8393 | if (rc) { | |
8394 | dev_err(&ctrl_info->pci_dev->dev, | |
8395 | "error enabling multi-lun rescan\n"); | |
8396 | return rc; | |
8397 | } | |
8398 | ||
6c223761 KB |
8399 | rc = pqi_write_driver_version_to_host_wellness(ctrl_info); |
8400 | if (rc) { | |
8401 | dev_err(&ctrl_info->pci_dev->dev, | |
8402 | "error updating host wellness\n"); | |
8403 | return rc; | |
8404 | } | |
8405 | ||
8406 | pqi_schedule_update_time_worker(ctrl_info); | |
8407 | ||
8408 | pqi_scan_scsi_devices(ctrl_info); | |
8409 | ||
8410 | return 0; | |
8411 | } | |
8412 | ||
061ef06a KB |
8413 | static void pqi_reinit_queues(struct pqi_ctrl_info *ctrl_info) |
8414 | { | |
8415 | unsigned int i; | |
8416 | struct pqi_admin_queues *admin_queues; | |
8417 | struct pqi_event_queue *event_queue; | |
8418 | ||
8419 | admin_queues = &ctrl_info->admin_queues; | |
8420 | admin_queues->iq_pi_copy = 0; | |
8421 | admin_queues->oq_ci_copy = 0; | |
dac12fbc | 8422 | writel(0, admin_queues->oq_pi); |
061ef06a KB |
8423 | |
8424 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
8425 | ctrl_info->queue_groups[i].iq_pi_copy[RAID_PATH] = 0; | |
8426 | ctrl_info->queue_groups[i].iq_pi_copy[AIO_PATH] = 0; | |
8427 | ctrl_info->queue_groups[i].oq_ci_copy = 0; | |
8428 | ||
dac12fbc KB |
8429 | writel(0, ctrl_info->queue_groups[i].iq_ci[RAID_PATH]); |
8430 | writel(0, ctrl_info->queue_groups[i].iq_ci[AIO_PATH]); | |
8431 | writel(0, ctrl_info->queue_groups[i].oq_pi); | |
061ef06a KB |
8432 | } |
8433 | ||
8434 | event_queue = &ctrl_info->event_queue; | |
dac12fbc | 8435 | writel(0, event_queue->oq_pi); |
061ef06a KB |
8436 | event_queue->oq_ci_copy = 0; |
8437 | } | |
8438 | ||
8439 | static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) | |
8440 | { | |
8441 | int rc; | |
8442 | ||
8443 | rc = pqi_force_sis_mode(ctrl_info); | |
8444 | if (rc) | |
8445 | return rc; | |
8446 | ||
8447 | /* | |
8448 | * Wait until the controller is ready to start accepting SIS | |
8449 | * commands. | |
8450 | */ | |
8451 | rc = sis_wait_for_ctrl_ready_resume(ctrl_info); | |
8452 | if (rc) | |
8453 | return rc; | |
8454 | ||
4fd22c13 MR |
8455 | /* |
8456 | * Get the controller properties. This allows us to determine | |
8457 | * whether or not it supports PQI mode. | |
8458 | */ | |
8459 | rc = sis_get_ctrl_properties(ctrl_info); | |
8460 | if (rc) { | |
8461 | dev_err(&ctrl_info->pci_dev->dev, | |
8462 | "error obtaining controller properties\n"); | |
8463 | return rc; | |
8464 | } | |
8465 | ||
8466 | rc = sis_get_pqi_capabilities(ctrl_info); | |
8467 | if (rc) { | |
8468 | dev_err(&ctrl_info->pci_dev->dev, | |
8469 | "error obtaining controller capabilities\n"); | |
8470 | return rc; | |
8471 | } | |
8472 | ||
061ef06a KB |
8473 | /* |
8474 | * If the function we are about to call succeeds, the | |
8475 | * controller will transition from legacy SIS mode | |
8476 | * into PQI mode. | |
8477 | */ | |
8478 | rc = sis_init_base_struct_addr(ctrl_info); | |
8479 | if (rc) { | |
8480 | dev_err(&ctrl_info->pci_dev->dev, | |
8481 | "error initializing PQI mode\n"); | |
8482 | return rc; | |
8483 | } | |
8484 | ||
8485 | /* Wait for the controller to complete the SIS -> PQI transition. */ | |
8486 | rc = pqi_wait_for_pqi_mode_ready(ctrl_info); | |
8487 | if (rc) { | |
8488 | dev_err(&ctrl_info->pci_dev->dev, | |
8489 | "transition to PQI mode failed\n"); | |
8490 | return rc; | |
8491 | } | |
8492 | ||
8493 | /* From here on, we are running in PQI mode. */ | |
8494 | ctrl_info->pqi_mode_enabled = true; | |
8495 | pqi_save_ctrl_mode(ctrl_info, PQI_MODE); | |
8496 | ||
8497 | pqi_reinit_queues(ctrl_info); | |
8498 | ||
8499 | rc = pqi_create_admin_queues(ctrl_info); | |
8500 | if (rc) { | |
8501 | dev_err(&ctrl_info->pci_dev->dev, | |
8502 | "error creating admin queues\n"); | |
8503 | return rc; | |
8504 | } | |
8505 | ||
8506 | rc = pqi_create_queues(ctrl_info); | |
8507 | if (rc) | |
8508 | return rc; | |
8509 | ||
8510 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_MSIX); | |
8511 | ||
8512 | ctrl_info->controller_online = true; | |
061ef06a KB |
8513 | pqi_ctrl_unblock_requests(ctrl_info); |
8514 | ||
4ccc354b KB |
8515 | pqi_ctrl_reset_config(ctrl_info); |
8516 | ||
4fd22c13 MR |
8517 | rc = pqi_process_config_table(ctrl_info); |
8518 | if (rc) | |
8519 | return rc; | |
8520 | ||
8521 | pqi_start_heartbeat_timer(ctrl_info); | |
8522 | ||
f6cc2a77 KB |
8523 | if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { |
8524 | rc = pqi_get_advanced_raid_bypass_config(ctrl_info); | |
8525 | if (rc) { | |
8526 | dev_err(&ctrl_info->pci_dev->dev, | |
8527 | "error obtaining advanced RAID bypass configuration\n"); | |
8528 | return rc; | |
8529 | } | |
8530 | ctrl_info->ciss_report_log_flags |= | |
8531 | CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; | |
8532 | } | |
8533 | ||
061ef06a KB |
8534 | rc = pqi_enable_events(ctrl_info); |
8535 | if (rc) { | |
8536 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8537 | "error enabling events\n"); |
061ef06a KB |
8538 | return rc; |
8539 | } | |
8540 | ||
6d90615f | 8541 | rc = pqi_get_ctrl_product_details(ctrl_info); |
4fd22c13 MR |
8542 | if (rc) { |
8543 | dev_err(&ctrl_info->pci_dev->dev, | |
694c5d5b | 8544 | "error obtaining product details\n"); |
4fd22c13 MR |
8545 | return rc; |
8546 | } | |
8547 | ||
171c2865 DC |
8548 | rc = pqi_set_diag_rescan(ctrl_info); |
8549 | if (rc) { | |
8550 | dev_err(&ctrl_info->pci_dev->dev, | |
8551 | "error enabling multi-lun rescan\n"); | |
8552 | return rc; | |
8553 | } | |
8554 | ||
061ef06a KB |
8555 | rc = pqi_write_driver_version_to_host_wellness(ctrl_info); |
8556 | if (rc) { | |
8557 | dev_err(&ctrl_info->pci_dev->dev, | |
8558 | "error updating host wellness\n"); | |
8559 | return rc; | |
8560 | } | |
8561 | ||
2790cd4d KB |
8562 | if (pqi_ofa_in_progress(ctrl_info)) |
8563 | pqi_ctrl_unblock_scan(ctrl_info); | |
061ef06a KB |
8564 | |
8565 | pqi_scan_scsi_devices(ctrl_info); | |
8566 | ||
8567 | return 0; | |
8568 | } | |
8569 | ||
583891c9 | 8570 | static inline int pqi_set_pcie_completion_timeout(struct pci_dev *pci_dev, u16 timeout) |
a81ed5f3 | 8571 | { |
d20df83b BOS |
8572 | int rc; |
8573 | ||
8574 | rc = pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL2, | |
a81ed5f3 | 8575 | PCI_EXP_DEVCTL2_COMP_TIMEOUT, timeout); |
d20df83b BOS |
8576 | |
8577 | return pcibios_err_to_errno(rc); | |
a81ed5f3 KB |
8578 | } |
8579 | ||
6c223761 KB |
8580 | static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) |
8581 | { | |
8582 | int rc; | |
8583 | u64 mask; | |
8584 | ||
8585 | rc = pci_enable_device(ctrl_info->pci_dev); | |
8586 | if (rc) { | |
8587 | dev_err(&ctrl_info->pci_dev->dev, | |
8588 | "failed to enable PCI device\n"); | |
8589 | return rc; | |
8590 | } | |
8591 | ||
8592 | if (sizeof(dma_addr_t) > 4) | |
8593 | mask = DMA_BIT_MASK(64); | |
8594 | else | |
8595 | mask = DMA_BIT_MASK(32); | |
8596 | ||
1d94f06e | 8597 | rc = dma_set_mask_and_coherent(&ctrl_info->pci_dev->dev, mask); |
6c223761 KB |
8598 | if (rc) { |
8599 | dev_err(&ctrl_info->pci_dev->dev, "failed to set DMA mask\n"); | |
8600 | goto disable_device; | |
8601 | } | |
8602 | ||
8603 | rc = pci_request_regions(ctrl_info->pci_dev, DRIVER_NAME_SHORT); | |
8604 | if (rc) { | |
8605 | dev_err(&ctrl_info->pci_dev->dev, | |
8606 | "failed to obtain PCI resources\n"); | |
8607 | goto disable_device; | |
8608 | } | |
8609 | ||
4bdc0d67 | 8610 | ctrl_info->iomem_base = ioremap(pci_resource_start( |
6c223761 | 8611 | ctrl_info->pci_dev, 0), |
3e7e55aa | 8612 | pci_resource_len(ctrl_info->pci_dev, 0)); |
6c223761 KB |
8613 | if (!ctrl_info->iomem_base) { |
8614 | dev_err(&ctrl_info->pci_dev->dev, | |
8615 | "failed to map memory for controller registers\n"); | |
8616 | rc = -ENOMEM; | |
8617 | goto release_regions; | |
8618 | } | |
8619 | ||
a81ed5f3 KB |
8620 | #define PCI_EXP_COMP_TIMEOUT_65_TO_210_MS 0x6 |
8621 | ||
8622 | /* Increase the PCIe completion timeout. */ | |
8623 | rc = pqi_set_pcie_completion_timeout(ctrl_info->pci_dev, | |
8624 | PCI_EXP_COMP_TIMEOUT_65_TO_210_MS); | |
8625 | if (rc) { | |
8626 | dev_err(&ctrl_info->pci_dev->dev, | |
8627 | "failed to set PCIe completion timeout\n"); | |
8628 | goto release_regions; | |
8629 | } | |
8630 | ||
6c223761 KB |
8631 | /* Enable bus mastering. */ |
8632 | pci_set_master(ctrl_info->pci_dev); | |
8633 | ||
cbe0c7b1 KB |
8634 | ctrl_info->registers = ctrl_info->iomem_base; |
8635 | ctrl_info->pqi_registers = &ctrl_info->registers->pqi_registers; | |
8636 | ||
6c223761 KB |
8637 | pci_set_drvdata(ctrl_info->pci_dev, ctrl_info); |
8638 | ||
8639 | return 0; | |
8640 | ||
8641 | release_regions: | |
8642 | pci_release_regions(ctrl_info->pci_dev); | |
8643 | disable_device: | |
8644 | pci_disable_device(ctrl_info->pci_dev); | |
8645 | ||
8646 | return rc; | |
8647 | } | |
8648 | ||
8649 | static void pqi_cleanup_pci_init(struct pqi_ctrl_info *ctrl_info) | |
8650 | { | |
8651 | iounmap(ctrl_info->iomem_base); | |
8652 | pci_release_regions(ctrl_info->pci_dev); | |
cbe0c7b1 KB |
8653 | if (pci_is_enabled(ctrl_info->pci_dev)) |
8654 | pci_disable_device(ctrl_info->pci_dev); | |
6c223761 KB |
8655 | pci_set_drvdata(ctrl_info->pci_dev, NULL); |
8656 | } | |
8657 | ||
8658 | static struct pqi_ctrl_info *pqi_alloc_ctrl_info(int numa_node) | |
8659 | { | |
8660 | struct pqi_ctrl_info *ctrl_info; | |
8661 | ||
8662 | ctrl_info = kzalloc_node(sizeof(struct pqi_ctrl_info), | |
8663 | GFP_KERNEL, numa_node); | |
8664 | if (!ctrl_info) | |
8665 | return NULL; | |
8666 | ||
8667 | mutex_init(&ctrl_info->scan_mutex); | |
7561a7e4 | 8668 | mutex_init(&ctrl_info->lun_reset_mutex); |
4fd22c13 | 8669 | mutex_init(&ctrl_info->ofa_mutex); |
6c223761 KB |
8670 | |
8671 | INIT_LIST_HEAD(&ctrl_info->scsi_device_list); | |
8672 | spin_lock_init(&ctrl_info->scsi_device_list_lock); | |
8673 | ||
8674 | INIT_WORK(&ctrl_info->event_work, pqi_event_worker); | |
8675 | atomic_set(&ctrl_info->num_interrupts, 0); | |
8676 | ||
8677 | INIT_DELAYED_WORK(&ctrl_info->rescan_work, pqi_rescan_worker); | |
8678 | INIT_DELAYED_WORK(&ctrl_info->update_time_work, pqi_update_time_worker); | |
8679 | ||
74a0f573 | 8680 | timer_setup(&ctrl_info->heartbeat_timer, pqi_heartbeat_timer_handler, 0); |
5f310425 | 8681 | INIT_WORK(&ctrl_info->ctrl_offline_work, pqi_ctrl_offline_worker); |
98f87667 | 8682 | |
2790cd4d KB |
8683 | INIT_WORK(&ctrl_info->ofa_memory_alloc_work, pqi_ofa_memory_alloc_worker); |
8684 | INIT_WORK(&ctrl_info->ofa_quiesce_work, pqi_ofa_quiesce_worker); | |
8685 | ||
6c223761 KB |
8686 | sema_init(&ctrl_info->sync_request_sem, |
8687 | PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS); | |
7561a7e4 | 8688 | init_waitqueue_head(&ctrl_info->block_requests_wait); |
6c223761 KB |
8689 | |
8690 | ctrl_info->ctrl_id = atomic_inc_return(&pqi_controller_count) - 1; | |
061ef06a | 8691 | ctrl_info->irq_mode = IRQ_MODE_NONE; |
6c223761 KB |
8692 | ctrl_info->max_msix_vectors = PQI_MAX_MSIX_VECTORS; |
8693 | ||
f6cc2a77 KB |
8694 | ctrl_info->ciss_report_log_flags = CISS_REPORT_LOG_FLAG_UNIQUE_LUN_ID; |
8695 | ctrl_info->max_transfer_encrypted_sas_sata = | |
8696 | PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_SAS_SATA; | |
8697 | ctrl_info->max_transfer_encrypted_nvme = | |
8698 | PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_NVME; | |
8699 | ctrl_info->max_write_raid_5_6 = PQI_DEFAULT_MAX_WRITE_RAID_5_6; | |
8700 | ctrl_info->max_write_raid_1_10_2drive = ~0; | |
8701 | ctrl_info->max_write_raid_1_10_3drive = ~0; | |
cf15c3e7 | 8702 | ctrl_info->disable_managed_interrupts = pqi_disable_managed_interrupts; |
f6cc2a77 | 8703 | |
6c223761 KB |
8704 | return ctrl_info; |
8705 | } | |
8706 | ||
8707 | static inline void pqi_free_ctrl_info(struct pqi_ctrl_info *ctrl_info) | |
8708 | { | |
8709 | kfree(ctrl_info); | |
8710 | } | |
8711 | ||
8712 | static void pqi_free_interrupts(struct pqi_ctrl_info *ctrl_info) | |
8713 | { | |
98bf061b KB |
8714 | pqi_free_irqs(ctrl_info); |
8715 | pqi_disable_msix_interrupts(ctrl_info); | |
6c223761 KB |
8716 | } |
8717 | ||
8718 | static void pqi_free_ctrl_resources(struct pqi_ctrl_info *ctrl_info) | |
8719 | { | |
6c223761 KB |
8720 | pqi_free_interrupts(ctrl_info); |
8721 | if (ctrl_info->queue_memory_base) | |
8722 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8723 | ctrl_info->queue_memory_length, | |
8724 | ctrl_info->queue_memory_base, | |
8725 | ctrl_info->queue_memory_base_dma_handle); | |
8726 | if (ctrl_info->admin_queue_memory_base) | |
8727 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8728 | ctrl_info->admin_queue_memory_length, | |
8729 | ctrl_info->admin_queue_memory_base, | |
8730 | ctrl_info->admin_queue_memory_base_dma_handle); | |
8731 | pqi_free_all_io_requests(ctrl_info); | |
8732 | if (ctrl_info->error_buffer) | |
8733 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8734 | ctrl_info->error_buffer_length, | |
8735 | ctrl_info->error_buffer, | |
8736 | ctrl_info->error_buffer_dma_handle); | |
8737 | if (ctrl_info->iomem_base) | |
8738 | pqi_cleanup_pci_init(ctrl_info); | |
8739 | pqi_free_ctrl_info(ctrl_info); | |
8740 | } | |
8741 | ||
8742 | static void pqi_remove_ctrl(struct pqi_ctrl_info *ctrl_info) | |
8743 | { | |
331f7e99 SB |
8744 | ctrl_info->controller_online = false; |
8745 | pqi_stop_heartbeat_timer(ctrl_info); | |
8746 | pqi_ctrl_block_requests(ctrl_info); | |
061ef06a KB |
8747 | pqi_cancel_rescan_worker(ctrl_info); |
8748 | pqi_cancel_update_time_worker(ctrl_info); | |
331f7e99 SB |
8749 | if (ctrl_info->ctrl_removal_state == PQI_CTRL_SURPRISE_REMOVAL) { |
8750 | pqi_fail_all_outstanding_requests(ctrl_info); | |
8751 | ctrl_info->pqi_mode_enabled = false; | |
8752 | } | |
e57a1f9b | 8753 | pqi_unregister_scsi(ctrl_info); |
162d7753 KB |
8754 | if (ctrl_info->pqi_mode_enabled) |
8755 | pqi_revert_to_sis_mode(ctrl_info); | |
6c223761 KB |
8756 | pqi_free_ctrl_resources(ctrl_info); |
8757 | } | |
8758 | ||
4fd22c13 MR |
8759 | static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info) |
8760 | { | |
2790cd4d KB |
8761 | pqi_ctrl_block_scan(ctrl_info); |
8762 | pqi_scsi_block_requests(ctrl_info); | |
8763 | pqi_ctrl_block_device_reset(ctrl_info); | |
4fd22c13 MR |
8764 | pqi_ctrl_block_requests(ctrl_info); |
8765 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
4fd22c13 | 8766 | pqi_stop_heartbeat_timer(ctrl_info); |
4fd22c13 MR |
8767 | } |
8768 | ||
8769 | static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info) | |
8770 | { | |
4fd22c13 | 8771 | pqi_start_heartbeat_timer(ctrl_info); |
2790cd4d KB |
8772 | pqi_ctrl_unblock_requests(ctrl_info); |
8773 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
8774 | pqi_scsi_unblock_requests(ctrl_info); | |
8775 | pqi_ctrl_unblock_scan(ctrl_info); | |
4fd22c13 MR |
8776 | } |
8777 | ||
2790cd4d | 8778 | static int pqi_ofa_alloc_mem(struct pqi_ctrl_info *ctrl_info, u32 total_size, u32 chunk_size) |
4fd22c13 | 8779 | { |
4fd22c13 | 8780 | int i; |
2790cd4d | 8781 | u32 sg_count; |
4fd22c13 MR |
8782 | struct device *dev; |
8783 | struct pqi_ofa_memory *ofap; | |
2790cd4d KB |
8784 | struct pqi_sg_descriptor *mem_descriptor; |
8785 | dma_addr_t dma_handle; | |
4fd22c13 MR |
8786 | |
8787 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; | |
8788 | ||
2790cd4d KB |
8789 | sg_count = DIV_ROUND_UP(total_size, chunk_size); |
8790 | if (sg_count == 0 || sg_count > PQI_OFA_MAX_SG_DESCRIPTORS) | |
4fd22c13 MR |
8791 | goto out; |
8792 | ||
2790cd4d | 8793 | ctrl_info->pqi_ofa_chunk_virt_addr = kmalloc_array(sg_count, sizeof(void *), GFP_KERNEL); |
4fd22c13 MR |
8794 | if (!ctrl_info->pqi_ofa_chunk_virt_addr) |
8795 | goto out; | |
8796 | ||
2790cd4d | 8797 | dev = &ctrl_info->pci_dev->dev; |
4fd22c13 | 8798 | |
2790cd4d | 8799 | for (i = 0; i < sg_count; i++) { |
4fd22c13 | 8800 | ctrl_info->pqi_ofa_chunk_virt_addr[i] = |
2790cd4d | 8801 | dma_alloc_coherent(dev, chunk_size, &dma_handle, GFP_KERNEL); |
4fd22c13 | 8802 | if (!ctrl_info->pqi_ofa_chunk_virt_addr[i]) |
2790cd4d | 8803 | goto out_free_chunks; |
4fd22c13 | 8804 | mem_descriptor = &ofap->sg_descriptor[i]; |
583891c9 KB |
8805 | put_unaligned_le64((u64)dma_handle, &mem_descriptor->address); |
8806 | put_unaligned_le32(chunk_size, &mem_descriptor->length); | |
4fd22c13 MR |
8807 | } |
8808 | ||
4fd22c13 MR |
8809 | put_unaligned_le32(CISS_SG_LAST, &mem_descriptor->flags); |
8810 | put_unaligned_le16(sg_count, &ofap->num_memory_descriptors); | |
2790cd4d | 8811 | put_unaligned_le32(sg_count * chunk_size, &ofap->bytes_allocated); |
4fd22c13 MR |
8812 | |
8813 | return 0; | |
8814 | ||
8815 | out_free_chunks: | |
8816 | while (--i >= 0) { | |
8817 | mem_descriptor = &ofap->sg_descriptor[i]; | |
8818 | dma_free_coherent(dev, chunk_size, | |
2790cd4d KB |
8819 | ctrl_info->pqi_ofa_chunk_virt_addr[i], |
8820 | get_unaligned_le64(&mem_descriptor->address)); | |
4fd22c13 MR |
8821 | } |
8822 | kfree(ctrl_info->pqi_ofa_chunk_virt_addr); | |
8823 | ||
8824 | out: | |
4fd22c13 MR |
8825 | return -ENOMEM; |
8826 | } | |
8827 | ||
8828 | static int pqi_ofa_alloc_host_buffer(struct pqi_ctrl_info *ctrl_info) | |
8829 | { | |
8830 | u32 total_size; | |
2790cd4d | 8831 | u32 chunk_size; |
4fd22c13 | 8832 | u32 min_chunk_size; |
4fd22c13 | 8833 | |
2790cd4d KB |
8834 | if (ctrl_info->ofa_bytes_requested == 0) |
8835 | return 0; | |
4fd22c13 | 8836 | |
2790cd4d KB |
8837 | total_size = PAGE_ALIGN(ctrl_info->ofa_bytes_requested); |
8838 | min_chunk_size = DIV_ROUND_UP(total_size, PQI_OFA_MAX_SG_DESCRIPTORS); | |
8839 | min_chunk_size = PAGE_ALIGN(min_chunk_size); | |
4fd22c13 | 8840 | |
2790cd4d KB |
8841 | for (chunk_size = total_size; chunk_size >= min_chunk_size;) { |
8842 | if (pqi_ofa_alloc_mem(ctrl_info, total_size, chunk_size) == 0) | |
4fd22c13 | 8843 | return 0; |
2790cd4d KB |
8844 | chunk_size /= 2; |
8845 | chunk_size = PAGE_ALIGN(chunk_size); | |
8846 | } | |
4fd22c13 MR |
8847 | |
8848 | return -ENOMEM; | |
8849 | } | |
8850 | ||
2790cd4d | 8851 | static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 8852 | { |
4fd22c13 | 8853 | struct device *dev; |
2790cd4d | 8854 | struct pqi_ofa_memory *ofap; |
4fd22c13 MR |
8855 | |
8856 | dev = &ctrl_info->pci_dev->dev; | |
4fd22c13 | 8857 | |
2790cd4d KB |
8858 | ofap = dma_alloc_coherent(dev, sizeof(*ofap), |
8859 | &ctrl_info->pqi_ofa_mem_dma_handle, GFP_KERNEL); | |
8860 | if (!ofap) | |
4fd22c13 MR |
8861 | return; |
8862 | ||
2790cd4d | 8863 | ctrl_info->pqi_ofa_mem_virt_addr = ofap; |
4fd22c13 MR |
8864 | |
8865 | if (pqi_ofa_alloc_host_buffer(ctrl_info) < 0) { | |
2790cd4d KB |
8866 | dev_err(dev, |
8867 | "failed to allocate host buffer for Online Firmware Activation\n"); | |
8868 | dma_free_coherent(dev, sizeof(*ofap), ofap, ctrl_info->pqi_ofa_mem_dma_handle); | |
8869 | ctrl_info->pqi_ofa_mem_virt_addr = NULL; | |
8870 | return; | |
4fd22c13 | 8871 | } |
694c5d5b | 8872 | |
2790cd4d KB |
8873 | put_unaligned_le16(PQI_OFA_VERSION, &ofap->version); |
8874 | memcpy(&ofap->signature, PQI_OFA_SIGNATURE, sizeof(ofap->signature)); | |
4fd22c13 MR |
8875 | } |
8876 | ||
8877 | static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info) | |
8878 | { | |
2790cd4d KB |
8879 | unsigned int i; |
8880 | struct device *dev; | |
4fd22c13 | 8881 | struct pqi_ofa_memory *ofap; |
2790cd4d KB |
8882 | struct pqi_sg_descriptor *mem_descriptor; |
8883 | unsigned int num_memory_descriptors; | |
4fd22c13 MR |
8884 | |
8885 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; | |
4fd22c13 MR |
8886 | if (!ofap) |
8887 | return; | |
8888 | ||
2790cd4d KB |
8889 | dev = &ctrl_info->pci_dev->dev; |
8890 | ||
8891 | if (get_unaligned_le32(&ofap->bytes_allocated) == 0) | |
4fd22c13 MR |
8892 | goto out; |
8893 | ||
8894 | mem_descriptor = ofap->sg_descriptor; | |
2790cd4d KB |
8895 | num_memory_descriptors = |
8896 | get_unaligned_le16(&ofap->num_memory_descriptors); | |
4fd22c13 | 8897 | |
2790cd4d KB |
8898 | for (i = 0; i < num_memory_descriptors; i++) { |
8899 | dma_free_coherent(dev, | |
4fd22c13 MR |
8900 | get_unaligned_le32(&mem_descriptor[i].length), |
8901 | ctrl_info->pqi_ofa_chunk_virt_addr[i], | |
8902 | get_unaligned_le64(&mem_descriptor[i].address)); | |
8903 | } | |
8904 | kfree(ctrl_info->pqi_ofa_chunk_virt_addr); | |
8905 | ||
8906 | out: | |
2790cd4d KB |
8907 | dma_free_coherent(dev, sizeof(*ofap), ofap, |
8908 | ctrl_info->pqi_ofa_mem_dma_handle); | |
4fd22c13 MR |
8909 | ctrl_info->pqi_ofa_mem_virt_addr = NULL; |
8910 | } | |
8911 | ||
8912 | static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info) | |
8913 | { | |
2790cd4d | 8914 | u32 buffer_length; |
4fd22c13 | 8915 | struct pqi_vendor_general_request request; |
4fd22c13 MR |
8916 | struct pqi_ofa_memory *ofap; |
8917 | ||
8918 | memset(&request, 0, sizeof(request)); | |
8919 | ||
4fd22c13 MR |
8920 | request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; |
8921 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
8922 | &request.header.iu_length); | |
8923 | put_unaligned_le16(PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE, | |
8924 | &request.function_code); | |
8925 | ||
2790cd4d KB |
8926 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; |
8927 | ||
4fd22c13 | 8928 | if (ofap) { |
2790cd4d | 8929 | buffer_length = offsetof(struct pqi_ofa_memory, sg_descriptor) + |
4fd22c13 MR |
8930 | get_unaligned_le16(&ofap->num_memory_descriptors) * |
8931 | sizeof(struct pqi_sg_descriptor); | |
8932 | ||
8933 | put_unaligned_le64((u64)ctrl_info->pqi_ofa_mem_dma_handle, | |
8934 | &request.data.ofa_memory_allocation.buffer_address); | |
2790cd4d | 8935 | put_unaligned_le32(buffer_length, |
4fd22c13 | 8936 | &request.data.ofa_memory_allocation.buffer_length); |
4fd22c13 MR |
8937 | } |
8938 | ||
ae0c189d | 8939 | return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
4fd22c13 MR |
8940 | } |
8941 | ||
2790cd4d | 8942 | static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs) |
4fd22c13 | 8943 | { |
2790cd4d KB |
8944 | ssleep(delay_secs); |
8945 | ||
4fd22c13 MR |
8946 | return pqi_ctrl_init_resume(ctrl_info); |
8947 | } | |
8948 | ||
5f310425 KB |
8949 | static struct pqi_raid_error_info pqi_ctrl_offline_raid_error_info = { |
8950 | .data_out_result = PQI_DATA_IN_OUT_HARDWARE_ERROR, | |
8951 | .status = SAM_STAT_CHECK_CONDITION, | |
8952 | }; | |
8953 | ||
8954 | static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info) | |
376fb880 KB |
8955 | { |
8956 | unsigned int i; | |
376fb880 | 8957 | struct pqi_io_request *io_request; |
376fb880 | 8958 | struct scsi_cmnd *scmd; |
4f3cefc3 | 8959 | struct scsi_device *sdev; |
376fb880 | 8960 | |
5f310425 KB |
8961 | for (i = 0; i < ctrl_info->max_io_slots; i++) { |
8962 | io_request = &ctrl_info->io_request_pool[i]; | |
8963 | if (atomic_read(&io_request->refcount) == 0) | |
8964 | continue; | |
376fb880 | 8965 | |
5f310425 KB |
8966 | scmd = io_request->scmd; |
8967 | if (scmd) { | |
4f3cefc3 MR |
8968 | sdev = scmd->device; |
8969 | if (!sdev || !scsi_device_online(sdev)) { | |
8970 | pqi_free_io_request(io_request); | |
8971 | continue; | |
8972 | } else { | |
8973 | set_host_byte(scmd, DID_NO_CONNECT); | |
8974 | } | |
5f310425 KB |
8975 | } else { |
8976 | io_request->status = -ENXIO; | |
8977 | io_request->error_info = | |
8978 | &pqi_ctrl_offline_raid_error_info; | |
376fb880 | 8979 | } |
5f310425 KB |
8980 | |
8981 | io_request->io_complete_callback(io_request, | |
8982 | io_request->context); | |
376fb880 KB |
8983 | } |
8984 | } | |
8985 | ||
5f310425 | 8986 | static void pqi_take_ctrl_offline_deferred(struct pqi_ctrl_info *ctrl_info) |
376fb880 | 8987 | { |
5f310425 KB |
8988 | pqi_perform_lockup_action(); |
8989 | pqi_stop_heartbeat_timer(ctrl_info); | |
8990 | pqi_free_interrupts(ctrl_info); | |
8991 | pqi_cancel_rescan_worker(ctrl_info); | |
8992 | pqi_cancel_update_time_worker(ctrl_info); | |
8993 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
8994 | pqi_fail_all_outstanding_requests(ctrl_info); | |
5f310425 KB |
8995 | pqi_ctrl_unblock_requests(ctrl_info); |
8996 | } | |
8997 | ||
8998 | static void pqi_ctrl_offline_worker(struct work_struct *work) | |
8999 | { | |
9000 | struct pqi_ctrl_info *ctrl_info; | |
9001 | ||
9002 | ctrl_info = container_of(work, struct pqi_ctrl_info, ctrl_offline_work); | |
9003 | pqi_take_ctrl_offline_deferred(ctrl_info); | |
376fb880 KB |
9004 | } |
9005 | ||
5d1f03e6 MB |
9006 | static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, |
9007 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) | |
376fb880 | 9008 | { |
5f310425 KB |
9009 | if (!ctrl_info->controller_online) |
9010 | return; | |
9011 | ||
376fb880 | 9012 | ctrl_info->controller_online = false; |
5f310425 KB |
9013 | ctrl_info->pqi_mode_enabled = false; |
9014 | pqi_ctrl_block_requests(ctrl_info); | |
5a259e32 | 9015 | if (!pqi_disable_ctrl_shutdown) |
5d1f03e6 | 9016 | sis_shutdown_ctrl(ctrl_info, ctrl_shutdown_reason); |
376fb880 KB |
9017 | pci_disable_device(ctrl_info->pci_dev); |
9018 | dev_err(&ctrl_info->pci_dev->dev, "controller offline\n"); | |
5f310425 | 9019 | schedule_work(&ctrl_info->ctrl_offline_work); |
376fb880 KB |
9020 | } |
9021 | ||
d91d7820 | 9022 | static void pqi_print_ctrl_info(struct pci_dev *pci_dev, |
6c223761 KB |
9023 | const struct pci_device_id *id) |
9024 | { | |
9025 | char *ctrl_description; | |
9026 | ||
37b36847 | 9027 | if (id->driver_data) |
6c223761 | 9028 | ctrl_description = (char *)id->driver_data; |
37b36847 | 9029 | else |
6aa26b5a | 9030 | ctrl_description = "Microchip Smart Family Controller"; |
6c223761 | 9031 | |
d91d7820 | 9032 | dev_info(&pci_dev->dev, "%s found\n", ctrl_description); |
6c223761 KB |
9033 | } |
9034 | ||
d91d7820 KB |
9035 | static int pqi_pci_probe(struct pci_dev *pci_dev, |
9036 | const struct pci_device_id *id) | |
6c223761 KB |
9037 | { |
9038 | int rc; | |
c52efc92 | 9039 | int node; |
6c223761 KB |
9040 | struct pqi_ctrl_info *ctrl_info; |
9041 | ||
d91d7820 | 9042 | pqi_print_ctrl_info(pci_dev, id); |
6c223761 KB |
9043 | |
9044 | if (pqi_disable_device_id_wildcards && | |
9045 | id->subvendor == PCI_ANY_ID && | |
9046 | id->subdevice == PCI_ANY_ID) { | |
d91d7820 | 9047 | dev_warn(&pci_dev->dev, |
6c223761 KB |
9048 | "controller not probed because device ID wildcards are disabled\n"); |
9049 | return -ENODEV; | |
9050 | } | |
9051 | ||
9052 | if (id->subvendor == PCI_ANY_ID || id->subdevice == PCI_ANY_ID) | |
d91d7820 | 9053 | dev_warn(&pci_dev->dev, |
6c223761 KB |
9054 | "controller device ID matched using wildcards\n"); |
9055 | ||
d91d7820 | 9056 | node = dev_to_node(&pci_dev->dev); |
62dc51fb | 9057 | if (node == NUMA_NO_NODE) { |
c52efc92 MM |
9058 | node = cpu_to_node(0); |
9059 | if (node == NUMA_NO_NODE) | |
9060 | node = 0; | |
9061 | set_dev_node(&pci_dev->dev, node); | |
62dc51fb | 9062 | } |
6c223761 KB |
9063 | |
9064 | ctrl_info = pqi_alloc_ctrl_info(node); | |
9065 | if (!ctrl_info) { | |
d91d7820 | 9066 | dev_err(&pci_dev->dev, |
6c223761 KB |
9067 | "failed to allocate controller info block\n"); |
9068 | return -ENOMEM; | |
9069 | } | |
d2c7583f | 9070 | ctrl_info->numa_node = node; |
6c223761 | 9071 | |
d91d7820 | 9072 | ctrl_info->pci_dev = pci_dev; |
6c223761 KB |
9073 | |
9074 | rc = pqi_pci_init(ctrl_info); | |
9075 | if (rc) | |
9076 | goto error; | |
9077 | ||
9078 | rc = pqi_ctrl_init(ctrl_info); | |
9079 | if (rc) | |
9080 | goto error; | |
9081 | ||
9082 | return 0; | |
9083 | ||
9084 | error: | |
9085 | pqi_remove_ctrl(ctrl_info); | |
9086 | ||
9087 | return rc; | |
9088 | } | |
9089 | ||
d91d7820 | 9090 | static void pqi_pci_remove(struct pci_dev *pci_dev) |
6c223761 KB |
9091 | { |
9092 | struct pqi_ctrl_info *ctrl_info; | |
331f7e99 | 9093 | u16 vendor_id; |
14063fb6 | 9094 | int rc; |
6c223761 | 9095 | |
d91d7820 | 9096 | ctrl_info = pci_get_drvdata(pci_dev); |
6c223761 KB |
9097 | if (!ctrl_info) |
9098 | return; | |
9099 | ||
331f7e99 SB |
9100 | pci_read_config_word(ctrl_info->pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id); |
9101 | if (vendor_id == 0xffff) | |
9102 | ctrl_info->ctrl_removal_state = PQI_CTRL_SURPRISE_REMOVAL; | |
9103 | else | |
9104 | ctrl_info->ctrl_removal_state = PQI_CTRL_GRACEFUL_REMOVAL; | |
9105 | ||
14063fb6 GW |
9106 | if (ctrl_info->ctrl_removal_state == PQI_CTRL_GRACEFUL_REMOVAL) { |
9107 | rc = pqi_flush_cache(ctrl_info, RESTART); | |
9108 | if (rc) | |
9109 | dev_err(&pci_dev->dev, | |
9110 | "unable to flush controller cache during remove\n"); | |
9111 | } | |
9112 | ||
6c223761 KB |
9113 | pqi_remove_ctrl(ctrl_info); |
9114 | } | |
9115 | ||
0530736e KB |
9116 | static void pqi_crash_if_pending_command(struct pqi_ctrl_info *ctrl_info) |
9117 | { | |
9118 | unsigned int i; | |
9119 | struct pqi_io_request *io_request; | |
9120 | struct scsi_cmnd *scmd; | |
9121 | ||
9122 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
9123 | io_request = &ctrl_info->io_request_pool[i]; | |
9124 | if (atomic_read(&io_request->refcount) == 0) | |
9125 | continue; | |
9126 | scmd = io_request->scmd; | |
9127 | WARN_ON(scmd != NULL); /* IO command from SML */ | |
9128 | WARN_ON(scmd == NULL); /* Non-IO cmd or driver initiated*/ | |
9129 | } | |
9130 | } | |
9131 | ||
d91d7820 | 9132 | static void pqi_shutdown(struct pci_dev *pci_dev) |
6c223761 KB |
9133 | { |
9134 | int rc; | |
9135 | struct pqi_ctrl_info *ctrl_info; | |
70ba20be | 9136 | enum bmic_flush_cache_shutdown_event shutdown_event; |
6c223761 | 9137 | |
d91d7820 | 9138 | ctrl_info = pci_get_drvdata(pci_dev); |
0530736e KB |
9139 | if (!ctrl_info) { |
9140 | dev_err(&pci_dev->dev, | |
9141 | "cache could not be flushed\n"); | |
9142 | return; | |
9143 | } | |
9144 | ||
0530736e | 9145 | pqi_wait_until_ofa_finished(ctrl_info); |
0530736e | 9146 | |
9fa82023 | 9147 | pqi_scsi_block_requests(ctrl_info); |
0530736e | 9148 | pqi_ctrl_block_device_reset(ctrl_info); |
9fa82023 KB |
9149 | pqi_ctrl_block_requests(ctrl_info); |
9150 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
6c223761 | 9151 | |
70ba20be SB |
9152 | if (system_state == SYSTEM_RESTART) |
9153 | shutdown_event = RESTART; | |
9154 | else | |
9155 | shutdown_event = SHUTDOWN; | |
9156 | ||
6c223761 KB |
9157 | /* |
9158 | * Write all data in the controller's battery-backed cache to | |
9159 | * storage. | |
9160 | */ | |
70ba20be | 9161 | rc = pqi_flush_cache(ctrl_info, shutdown_event); |
0530736e KB |
9162 | if (rc) |
9163 | dev_err(&pci_dev->dev, | |
9164 | "unable to flush controller cache\n"); | |
9165 | ||
0530736e KB |
9166 | pqi_crash_if_pending_command(ctrl_info); |
9167 | pqi_reset(ctrl_info); | |
6c223761 KB |
9168 | } |
9169 | ||
3c50976f KB |
9170 | static void pqi_process_lockup_action_param(void) |
9171 | { | |
9172 | unsigned int i; | |
9173 | ||
9174 | if (!pqi_lockup_action_param) | |
9175 | return; | |
9176 | ||
9177 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
9178 | if (strcmp(pqi_lockup_action_param, | |
9179 | pqi_lockup_actions[i].name) == 0) { | |
9180 | pqi_lockup_action = pqi_lockup_actions[i].action; | |
9181 | return; | |
9182 | } | |
9183 | } | |
9184 | ||
9185 | pr_warn("%s: invalid lockup action setting \"%s\" - supported settings: none, reboot, panic\n", | |
9186 | DRIVER_NAME_SHORT, pqi_lockup_action_param); | |
9187 | } | |
9188 | ||
6d567dfe KB |
9189 | #define PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS 30 |
9190 | #define PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS (30 * 60) | |
9191 | ||
9192 | static void pqi_process_ctrl_ready_timeout_param(void) | |
9193 | { | |
9194 | if (pqi_ctrl_ready_timeout_secs == 0) | |
9195 | return; | |
9196 | ||
9197 | if (pqi_ctrl_ready_timeout_secs < PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS) { | |
9198 | 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", | |
9199 | DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS); | |
9200 | pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS; | |
9201 | } else if (pqi_ctrl_ready_timeout_secs > PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS) { | |
9202 | pr_warn("%s: ctrl_ready_timeout parm of %u seconds is greater than maximum timeout of %d seconds - setting timeout to %d seconds\n", | |
9203 | DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS); | |
9204 | pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS; | |
9205 | } | |
9206 | ||
9207 | sis_ctrl_ready_timeout_secs = pqi_ctrl_ready_timeout_secs; | |
9208 | } | |
9209 | ||
3c50976f KB |
9210 | static void pqi_process_module_params(void) |
9211 | { | |
9212 | pqi_process_lockup_action_param(); | |
6d567dfe | 9213 | pqi_process_ctrl_ready_timeout_param(); |
3c50976f KB |
9214 | } |
9215 | ||
31b17c3a DB |
9216 | #if defined(CONFIG_PM) |
9217 | ||
b73357a1 SB |
9218 | static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_event(struct pci_dev *pci_dev) |
9219 | { | |
9220 | if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) | |
9221 | return RESTART; | |
c66e078a | 9222 | |
b73357a1 SB |
9223 | return SUSPEND; |
9224 | } | |
9225 | ||
c66e078a | 9226 | static int pqi_suspend_or_freeze(struct device *dev, bool suspend) |
061ef06a | 9227 | { |
c66e078a | 9228 | struct pci_dev *pci_dev; |
061ef06a KB |
9229 | struct pqi_ctrl_info *ctrl_info; |
9230 | ||
c66e078a | 9231 | pci_dev = to_pci_dev(dev); |
061ef06a KB |
9232 | ctrl_info = pci_get_drvdata(pci_dev); |
9233 | ||
4fd22c13 | 9234 | pqi_wait_until_ofa_finished(ctrl_info); |
9fa82023 KB |
9235 | |
9236 | pqi_ctrl_block_scan(ctrl_info); | |
9237 | pqi_scsi_block_requests(ctrl_info); | |
9238 | pqi_ctrl_block_device_reset(ctrl_info); | |
061ef06a KB |
9239 | pqi_ctrl_block_requests(ctrl_info); |
9240 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
061ef06a | 9241 | |
c66e078a KB |
9242 | if (suspend) { |
9243 | enum bmic_flush_cache_shutdown_event shutdown_event; | |
9fa82023 | 9244 | |
c66e078a KB |
9245 | shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); |
9246 | pqi_flush_cache(ctrl_info, shutdown_event); | |
9247 | } | |
061ef06a | 9248 | |
c66e078a KB |
9249 | pqi_stop_heartbeat_timer(ctrl_info); |
9250 | pqi_crash_if_pending_command(ctrl_info); | |
9251 | pqi_free_irqs(ctrl_info); | |
061ef06a KB |
9252 | |
9253 | ctrl_info->controller_online = false; | |
9254 | ctrl_info->pqi_mode_enabled = false; | |
9255 | ||
9256 | return 0; | |
9257 | } | |
9258 | ||
c66e078a KB |
9259 | static __maybe_unused int pqi_suspend(struct device *dev) |
9260 | { | |
9261 | return pqi_suspend_or_freeze(dev, true); | |
9262 | } | |
9263 | ||
9264 | static int pqi_resume_or_restore(struct device *dev) | |
061ef06a KB |
9265 | { |
9266 | int rc; | |
c66e078a | 9267 | struct pci_dev *pci_dev; |
061ef06a KB |
9268 | struct pqi_ctrl_info *ctrl_info; |
9269 | ||
c66e078a | 9270 | pci_dev = to_pci_dev(dev); |
061ef06a KB |
9271 | ctrl_info = pci_get_drvdata(pci_dev); |
9272 | ||
c66e078a KB |
9273 | rc = pqi_request_irqs(ctrl_info); |
9274 | if (rc) | |
9275 | return rc; | |
061ef06a | 9276 | |
43e97ef4 KB |
9277 | pqi_ctrl_unblock_device_reset(ctrl_info); |
9278 | pqi_ctrl_unblock_requests(ctrl_info); | |
9279 | pqi_scsi_unblock_requests(ctrl_info); | |
9280 | pqi_ctrl_unblock_scan(ctrl_info); | |
9281 | ||
c66e078a KB |
9282 | ssleep(PQI_POST_RESET_DELAY_SECS); |
9283 | ||
061ef06a KB |
9284 | return pqi_ctrl_init_resume(ctrl_info); |
9285 | } | |
9286 | ||
c66e078a KB |
9287 | static int pqi_freeze(struct device *dev) |
9288 | { | |
9289 | return pqi_suspend_or_freeze(dev, false); | |
9290 | } | |
9291 | ||
9292 | static int pqi_thaw(struct device *dev) | |
9293 | { | |
9294 | int rc; | |
9295 | struct pci_dev *pci_dev; | |
9296 | struct pqi_ctrl_info *ctrl_info; | |
9297 | ||
9298 | pci_dev = to_pci_dev(dev); | |
9299 | ctrl_info = pci_get_drvdata(pci_dev); | |
9300 | ||
9301 | rc = pqi_request_irqs(ctrl_info); | |
9302 | if (rc) | |
9303 | return rc; | |
9304 | ||
9305 | ctrl_info->controller_online = true; | |
9306 | ctrl_info->pqi_mode_enabled = true; | |
9307 | ||
9308 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
9309 | pqi_ctrl_unblock_requests(ctrl_info); | |
9310 | pqi_scsi_unblock_requests(ctrl_info); | |
9311 | pqi_ctrl_unblock_scan(ctrl_info); | |
9312 | ||
9313 | return 0; | |
9314 | } | |
9315 | ||
9316 | static int pqi_poweroff(struct device *dev) | |
9317 | { | |
9318 | struct pci_dev *pci_dev; | |
9319 | struct pqi_ctrl_info *ctrl_info; | |
9320 | enum bmic_flush_cache_shutdown_event shutdown_event; | |
9321 | ||
9322 | pci_dev = to_pci_dev(dev); | |
9323 | ctrl_info = pci_get_drvdata(pci_dev); | |
9324 | ||
9325 | shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); | |
9326 | pqi_flush_cache(ctrl_info, shutdown_event); | |
9327 | ||
9328 | return 0; | |
9329 | } | |
9330 | ||
9331 | static const struct dev_pm_ops pqi_pm_ops = { | |
9332 | .suspend = pqi_suspend, | |
9333 | .resume = pqi_resume_or_restore, | |
9334 | .freeze = pqi_freeze, | |
9335 | .thaw = pqi_thaw, | |
9336 | .poweroff = pqi_poweroff, | |
9337 | .restore = pqi_resume_or_restore, | |
9338 | }; | |
9339 | ||
31b17c3a DB |
9340 | #endif /* CONFIG_PM */ |
9341 | ||
6c223761 KB |
9342 | /* Define the PCI IDs for the controllers that we support. */ |
9343 | static const struct pci_device_id pqi_pci_id_table[] = { | |
b0f9408b KB |
9344 | { |
9345 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9346 | 0x105b, 0x1211) | |
9347 | }, | |
9348 | { | |
9349 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9350 | 0x105b, 0x1321) | |
9351 | }, | |
7eddabff KB |
9352 | { |
9353 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9354 | 0x152d, 0x8a22) | |
9355 | }, | |
9356 | { | |
9357 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9358 | 0x152d, 0x8a23) | |
9359 | }, | |
9360 | { | |
9361 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9362 | 0x152d, 0x8a24) | |
9363 | }, | |
9364 | { | |
9365 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9366 | 0x152d, 0x8a36) | |
9367 | }, | |
9368 | { | |
9369 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9370 | 0x152d, 0x8a37) | |
9371 | }, | |
0595a0b4 AK |
9372 | { |
9373 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9374 | 0x193d, 0x1104) | |
9375 | }, | |
9376 | { | |
9377 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9378 | 0x193d, 0x1105) | |
9379 | }, | |
9380 | { | |
9381 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9382 | 0x193d, 0x1106) | |
9383 | }, | |
9384 | { | |
9385 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9386 | 0x193d, 0x1107) | |
9387 | }, | |
d3af3f64 MR |
9388 | { |
9389 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9390 | 0x193d, 0x1108) | |
9391 | }, | |
9392 | { | |
9393 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9394 | 0x193d, 0x1109) | |
9395 | }, | |
0b93cf2a MM |
9396 | { |
9397 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9398 | 0x193d, 0x110b) | |
9399 | }, | |
b0f9408b KB |
9400 | { |
9401 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9402 | 0x193d, 0x8460) | |
9403 | }, | |
9404 | { | |
9405 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9406 | 0x193d, 0x8461) | |
9407 | }, | |
84a77fef MB |
9408 | { |
9409 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9410 | 0x193d, 0xc460) | |
9411 | }, | |
9412 | { | |
9413 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9414 | 0x193d, 0xc461) | |
9415 | }, | |
b0f9408b KB |
9416 | { |
9417 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9418 | 0x193d, 0xf460) | |
9419 | }, | |
9420 | { | |
9421 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9422 | 0x193d, 0xf461) | |
9423 | }, | |
9424 | { | |
9425 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9426 | 0x1bd4, 0x0045) | |
9427 | }, | |
9428 | { | |
9429 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9430 | 0x1bd4, 0x0046) | |
9431 | }, | |
9432 | { | |
9433 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9434 | 0x1bd4, 0x0047) | |
9435 | }, | |
9436 | { | |
9437 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9438 | 0x1bd4, 0x0048) | |
9439 | }, | |
9f8d05fa KB |
9440 | { |
9441 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9442 | 0x1bd4, 0x004a) | |
9443 | }, | |
9444 | { | |
9445 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9446 | 0x1bd4, 0x004b) | |
9447 | }, | |
9448 | { | |
9449 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9450 | 0x1bd4, 0x004c) | |
9451 | }, | |
63a7956a GW |
9452 | { |
9453 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9454 | 0x1bd4, 0x004f) | |
9455 | }, | |
75fbeacc KB |
9456 | { |
9457 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9458 | 0x1bd4, 0x0051) | |
9459 | }, | |
9460 | { | |
9461 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9462 | 0x1bd4, 0x0052) | |
9463 | }, | |
9464 | { | |
9465 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9466 | 0x1bd4, 0x0053) | |
9467 | }, | |
9468 | { | |
9469 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9470 | 0x1bd4, 0x0054) | |
9471 | }, | |
c57ee4cc DB |
9472 | { |
9473 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9474 | 0x1bd4, 0x006b) | |
9475 | }, | |
9476 | { | |
9477 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9478 | 0x1bd4, 0x006c) | |
9479 | }, | |
9480 | { | |
9481 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9482 | 0x1bd4, 0x006d) | |
9483 | }, | |
9484 | { | |
9485 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9486 | 0x1bd4, 0x006f) | |
9487 | }, | |
9488 | { | |
9489 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9490 | 0x1bd4, 0x0070) | |
9491 | }, | |
9492 | { | |
9493 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9494 | 0x1bd4, 0x0071) | |
9495 | }, | |
9496 | { | |
9497 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9498 | 0x1bd4, 0x0072) | |
9499 | }, | |
0b93cf2a MM |
9500 | { |
9501 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9502 | 0x1bd4, 0x0086) | |
9503 | }, | |
9504 | { | |
9505 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9506 | 0x1bd4, 0x0087) | |
9507 | }, | |
9508 | { | |
9509 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9510 | 0x1bd4, 0x0088) | |
9511 | }, | |
9512 | { | |
9513 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9514 | 0x1bd4, 0x0089) | |
9515 | }, | |
c1b10475 AK |
9516 | { |
9517 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9518 | 0x19e5, 0xd227) | |
9519 | }, | |
9520 | { | |
9521 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9522 | 0x19e5, 0xd228) | |
9523 | }, | |
9524 | { | |
9525 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9526 | 0x19e5, 0xd229) | |
9527 | }, | |
9528 | { | |
9529 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9530 | 0x19e5, 0xd22a) | |
9531 | }, | |
9532 | { | |
9533 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9534 | 0x19e5, 0xd22b) | |
9535 | }, | |
9536 | { | |
9537 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9538 | 0x19e5, 0xd22c) | |
9539 | }, | |
6c223761 KB |
9540 | { |
9541 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9542 | PCI_VENDOR_ID_ADAPTEC2, 0x0110) | |
9543 | }, | |
9544 | { | |
9545 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
55790064 | 9546 | PCI_VENDOR_ID_ADAPTEC2, 0x0608) |
6c223761 | 9547 | }, |
44e68c4a MM |
9548 | { |
9549 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9550 | PCI_VENDOR_ID_ADAPTEC2, 0x0659) | |
9551 | }, | |
6c223761 KB |
9552 | { |
9553 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9554 | PCI_VENDOR_ID_ADAPTEC2, 0x0800) |
6c223761 KB |
9555 | }, |
9556 | { | |
9557 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9558 | PCI_VENDOR_ID_ADAPTEC2, 0x0801) |
6c223761 KB |
9559 | }, |
9560 | { | |
9561 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9562 | PCI_VENDOR_ID_ADAPTEC2, 0x0802) |
6c223761 KB |
9563 | }, |
9564 | { | |
9565 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9566 | PCI_VENDOR_ID_ADAPTEC2, 0x0803) |
6c223761 KB |
9567 | }, |
9568 | { | |
9569 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9570 | PCI_VENDOR_ID_ADAPTEC2, 0x0804) |
6c223761 KB |
9571 | }, |
9572 | { | |
9573 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9574 | PCI_VENDOR_ID_ADAPTEC2, 0x0805) |
6c223761 KB |
9575 | }, |
9576 | { | |
9577 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9578 | PCI_VENDOR_ID_ADAPTEC2, 0x0806) |
6c223761 | 9579 | }, |
55790064 KB |
9580 | { |
9581 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9582 | PCI_VENDOR_ID_ADAPTEC2, 0x0807) | |
9583 | }, | |
63a7956a GW |
9584 | { |
9585 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9586 | PCI_VENDOR_ID_ADAPTEC2, 0x0808) | |
9587 | }, | |
9588 | { | |
9589 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9590 | PCI_VENDOR_ID_ADAPTEC2, 0x0809) | |
9591 | }, | |
3af06083 MR |
9592 | { |
9593 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9594 | PCI_VENDOR_ID_ADAPTEC2, 0x080a) | |
9595 | }, | |
6c223761 KB |
9596 | { |
9597 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9598 | PCI_VENDOR_ID_ADAPTEC2, 0x0900) |
6c223761 KB |
9599 | }, |
9600 | { | |
9601 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9602 | PCI_VENDOR_ID_ADAPTEC2, 0x0901) |
6c223761 KB |
9603 | }, |
9604 | { | |
9605 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9606 | PCI_VENDOR_ID_ADAPTEC2, 0x0902) |
6c223761 KB |
9607 | }, |
9608 | { | |
9609 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9610 | PCI_VENDOR_ID_ADAPTEC2, 0x0903) |
6c223761 KB |
9611 | }, |
9612 | { | |
9613 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9614 | PCI_VENDOR_ID_ADAPTEC2, 0x0904) |
6c223761 KB |
9615 | }, |
9616 | { | |
9617 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9618 | PCI_VENDOR_ID_ADAPTEC2, 0x0905) |
6c223761 KB |
9619 | }, |
9620 | { | |
9621 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9622 | PCI_VENDOR_ID_ADAPTEC2, 0x0906) |
6c223761 KB |
9623 | }, |
9624 | { | |
9625 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9626 | PCI_VENDOR_ID_ADAPTEC2, 0x0907) |
6c223761 KB |
9627 | }, |
9628 | { | |
9629 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9630 | PCI_VENDOR_ID_ADAPTEC2, 0x0908) |
6c223761 | 9631 | }, |
55790064 KB |
9632 | { |
9633 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9634 | PCI_VENDOR_ID_ADAPTEC2, 0x090a) | |
9635 | }, | |
6c223761 KB |
9636 | { |
9637 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9638 | PCI_VENDOR_ID_ADAPTEC2, 0x1200) |
6c223761 KB |
9639 | }, |
9640 | { | |
9641 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9642 | PCI_VENDOR_ID_ADAPTEC2, 0x1201) |
6c223761 KB |
9643 | }, |
9644 | { | |
9645 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9646 | PCI_VENDOR_ID_ADAPTEC2, 0x1202) |
6c223761 KB |
9647 | }, |
9648 | { | |
9649 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9650 | PCI_VENDOR_ID_ADAPTEC2, 0x1280) |
6c223761 KB |
9651 | }, |
9652 | { | |
9653 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9654 | PCI_VENDOR_ID_ADAPTEC2, 0x1281) |
6c223761 | 9655 | }, |
b0f9408b KB |
9656 | { |
9657 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9658 | PCI_VENDOR_ID_ADAPTEC2, 0x1282) | |
9659 | }, | |
6c223761 KB |
9660 | { |
9661 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9662 | PCI_VENDOR_ID_ADAPTEC2, 0x1300) |
6c223761 KB |
9663 | }, |
9664 | { | |
9665 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9666 | PCI_VENDOR_ID_ADAPTEC2, 0x1301) |
6c223761 | 9667 | }, |
bd809e8d KB |
9668 | { |
9669 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9670 | PCI_VENDOR_ID_ADAPTEC2, 0x1302) | |
9671 | }, | |
9672 | { | |
9673 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9674 | PCI_VENDOR_ID_ADAPTEC2, 0x1303) | |
9675 | }, | |
c57ee4cc DB |
9676 | { |
9677 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9678 | PCI_VENDOR_ID_ADAPTEC2, 0x1304) | |
9679 | }, | |
6c223761 KB |
9680 | { |
9681 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff KB |
9682 | PCI_VENDOR_ID_ADAPTEC2, 0x1380) |
9683 | }, | |
75fbeacc KB |
9684 | { |
9685 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9686 | PCI_VENDOR_ID_ADAPTEC2, 0x1400) | |
9687 | }, | |
9688 | { | |
9689 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9690 | PCI_VENDOR_ID_ADAPTEC2, 0x1402) | |
9691 | }, | |
9692 | { | |
9693 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9694 | PCI_VENDOR_ID_ADAPTEC2, 0x1410) | |
9695 | }, | |
9696 | { | |
9697 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9698 | PCI_VENDOR_ID_ADAPTEC2, 0x1411) | |
9699 | }, | |
9700 | { | |
9701 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9702 | PCI_VENDOR_ID_ADAPTEC2, 0x1412) | |
9703 | }, | |
9704 | { | |
9705 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9706 | PCI_VENDOR_ID_ADAPTEC2, 0x1420) | |
9707 | }, | |
9708 | { | |
9709 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9710 | PCI_VENDOR_ID_ADAPTEC2, 0x1430) | |
9711 | }, | |
9712 | { | |
9713 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9714 | PCI_VENDOR_ID_ADAPTEC2, 0x1440) | |
9715 | }, | |
9716 | { | |
9717 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9718 | PCI_VENDOR_ID_ADAPTEC2, 0x1441) | |
9719 | }, | |
9720 | { | |
9721 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9722 | PCI_VENDOR_ID_ADAPTEC2, 0x1450) | |
9723 | }, | |
9724 | { | |
9725 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9726 | PCI_VENDOR_ID_ADAPTEC2, 0x1452) | |
9727 | }, | |
9728 | { | |
9729 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9730 | PCI_VENDOR_ID_ADAPTEC2, 0x1460) | |
9731 | }, | |
9732 | { | |
9733 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9734 | PCI_VENDOR_ID_ADAPTEC2, 0x1461) | |
9735 | }, | |
9736 | { | |
9737 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9738 | PCI_VENDOR_ID_ADAPTEC2, 0x1462) | |
9739 | }, | |
c57ee4cc DB |
9740 | { |
9741 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9742 | PCI_VENDOR_ID_ADAPTEC2, 0x1463) | |
9743 | }, | |
75fbeacc KB |
9744 | { |
9745 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9746 | PCI_VENDOR_ID_ADAPTEC2, 0x1470) | |
9747 | }, | |
9748 | { | |
9749 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9750 | PCI_VENDOR_ID_ADAPTEC2, 0x1471) | |
9751 | }, | |
9752 | { | |
9753 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9754 | PCI_VENDOR_ID_ADAPTEC2, 0x1472) | |
9755 | }, | |
c57ee4cc DB |
9756 | { |
9757 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9758 | PCI_VENDOR_ID_ADAPTEC2, 0x1473) | |
9759 | }, | |
9760 | { | |
9761 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9762 | PCI_VENDOR_ID_ADAPTEC2, 0x1474) | |
9763 | }, | |
0b93cf2a MM |
9764 | { |
9765 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9766 | PCI_VENDOR_ID_ADAPTEC2, 0x1475) | |
9767 | }, | |
75fbeacc KB |
9768 | { |
9769 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9770 | PCI_VENDOR_ID_ADAPTEC2, 0x1480) | |
9771 | }, | |
9772 | { | |
9773 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9774 | PCI_VENDOR_ID_ADAPTEC2, 0x1490) | |
9775 | }, | |
9776 | { | |
9777 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9778 | PCI_VENDOR_ID_ADAPTEC2, 0x1491) | |
9779 | }, | |
9780 | { | |
9781 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9782 | PCI_VENDOR_ID_ADAPTEC2, 0x14a0) | |
9783 | }, | |
9784 | { | |
9785 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9786 | PCI_VENDOR_ID_ADAPTEC2, 0x14a1) | |
9787 | }, | |
80982656 MM |
9788 | { |
9789 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9790 | PCI_VENDOR_ID_ADAPTEC2, 0x14a2) | |
9791 | }, | |
c57ee4cc DB |
9792 | { |
9793 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9794 | PCI_VENDOR_ID_ADAPTEC2, 0x14a4) | |
9795 | }, | |
9796 | { | |
9797 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9798 | PCI_VENDOR_ID_ADAPTEC2, 0x14a5) | |
9799 | }, | |
9800 | { | |
9801 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9802 | PCI_VENDOR_ID_ADAPTEC2, 0x14a6) | |
9803 | }, | |
75fbeacc KB |
9804 | { |
9805 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9806 | PCI_VENDOR_ID_ADAPTEC2, 0x14b0) | |
9807 | }, | |
9808 | { | |
9809 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9810 | PCI_VENDOR_ID_ADAPTEC2, 0x14b1) | |
9811 | }, | |
9812 | { | |
9813 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9814 | PCI_VENDOR_ID_ADAPTEC2, 0x14c0) | |
9815 | }, | |
9816 | { | |
9817 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9818 | PCI_VENDOR_ID_ADAPTEC2, 0x14c1) | |
9819 | }, | |
c57ee4cc DB |
9820 | { |
9821 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9822 | PCI_VENDOR_ID_ADAPTEC2, 0x14c2) | |
9823 | }, | |
0b93cf2a MM |
9824 | { |
9825 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9826 | PCI_VENDOR_ID_ADAPTEC2, 0x14c3) | |
9827 | }, | |
9828 | { | |
9829 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9830 | PCI_VENDOR_ID_ADAPTEC2, 0x14c4) | |
9831 | }, | |
75fbeacc KB |
9832 | { |
9833 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9834 | PCI_VENDOR_ID_ADAPTEC2, 0x14d0) | |
9835 | }, | |
9836 | { | |
9837 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9838 | PCI_VENDOR_ID_ADAPTEC2, 0x14e0) | |
9839 | }, | |
9840 | { | |
9841 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9842 | PCI_VENDOR_ID_ADAPTEC2, 0x14f0) | |
9843 | }, | |
9f8d05fa KB |
9844 | { |
9845 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9846 | PCI_VENDOR_ID_ADVANTECH, 0x8312) | |
9847 | }, | |
55790064 KB |
9848 | { |
9849 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9850 | PCI_VENDOR_ID_DELL, 0x1fe0) | |
9851 | }, | |
7eddabff KB |
9852 | { |
9853 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9854 | PCI_VENDOR_ID_HP, 0x0600) | |
9855 | }, | |
9856 | { | |
9857 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9858 | PCI_VENDOR_ID_HP, 0x0601) | |
9859 | }, | |
9860 | { | |
9861 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9862 | PCI_VENDOR_ID_HP, 0x0602) | |
9863 | }, | |
9864 | { | |
9865 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9866 | PCI_VENDOR_ID_HP, 0x0603) | |
9867 | }, | |
9868 | { | |
9869 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
55790064 | 9870 | PCI_VENDOR_ID_HP, 0x0609) |
7eddabff KB |
9871 | }, |
9872 | { | |
9873 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9874 | PCI_VENDOR_ID_HP, 0x0650) | |
9875 | }, | |
9876 | { | |
9877 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9878 | PCI_VENDOR_ID_HP, 0x0651) | |
9879 | }, | |
9880 | { | |
9881 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9882 | PCI_VENDOR_ID_HP, 0x0652) | |
9883 | }, | |
9884 | { | |
9885 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9886 | PCI_VENDOR_ID_HP, 0x0653) | |
9887 | }, | |
9888 | { | |
9889 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9890 | PCI_VENDOR_ID_HP, 0x0654) | |
9891 | }, | |
9892 | { | |
9893 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9894 | PCI_VENDOR_ID_HP, 0x0655) | |
9895 | }, | |
7eddabff KB |
9896 | { |
9897 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9898 | PCI_VENDOR_ID_HP, 0x0700) | |
9899 | }, | |
9900 | { | |
9901 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9902 | PCI_VENDOR_ID_HP, 0x0701) | |
6c223761 KB |
9903 | }, |
9904 | { | |
9905 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9906 | PCI_VENDOR_ID_HP, 0x1001) | |
9907 | }, | |
75fbeacc KB |
9908 | { |
9909 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9910 | PCI_VENDOR_ID_HP, 0x1002) | |
9911 | }, | |
6c223761 KB |
9912 | { |
9913 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9914 | PCI_VENDOR_ID_HP, 0x1100) | |
9915 | }, | |
9916 | { | |
9917 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9918 | PCI_VENDOR_ID_HP, 0x1101) | |
9919 | }, | |
75fbeacc KB |
9920 | { |
9921 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9922 | 0x1590, 0x0294) | |
9923 | }, | |
9924 | { | |
9925 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9926 | 0x1590, 0x02db) | |
9927 | }, | |
9928 | { | |
9929 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9930 | 0x1590, 0x02dc) | |
9931 | }, | |
9932 | { | |
9933 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9934 | 0x1590, 0x032e) | |
9935 | }, | |
c57ee4cc DB |
9936 | { |
9937 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9938 | 0x1590, 0x036f) | |
9939 | }, | |
9940 | { | |
9941 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9942 | 0x1590, 0x0381) | |
9943 | }, | |
9944 | { | |
9945 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9946 | 0x1590, 0x0382) | |
9947 | }, | |
9948 | { | |
9949 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9950 | 0x1590, 0x0383) | |
9951 | }, | |
8bdb3b9c GW |
9952 | { |
9953 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9954 | 0x1d8d, 0x0800) | |
9955 | }, | |
9956 | { | |
9957 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9958 | 0x1d8d, 0x0908) | |
9959 | }, | |
9960 | { | |
9961 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9962 | 0x1d8d, 0x0806) | |
9963 | }, | |
9964 | { | |
9965 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9966 | 0x1d8d, 0x0916) | |
9967 | }, | |
71ecc60d GW |
9968 | { |
9969 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9970 | PCI_VENDOR_ID_GIGABYTE, 0x1000) | |
9971 | }, | |
e326b97c MM |
9972 | { |
9973 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9974 | 0x1dfc, 0x3161) | |
9975 | }, | |
c57ee4cc DB |
9976 | { |
9977 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9978 | 0x1f0c, 0x3161) | |
9979 | }, | |
fe0375d4 DS |
9980 | { |
9981 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9982 | 0x1cf2, 0x0804) | |
9983 | }, | |
9984 | { | |
9985 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9986 | 0x1cf2, 0x0805) | |
9987 | }, | |
9988 | { | |
9989 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9990 | 0x1cf2, 0x0806) | |
9991 | }, | |
09d9968a B |
9992 | { |
9993 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9994 | 0x1cf2, 0x5445) | |
9995 | }, | |
9996 | { | |
9997 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9998 | 0x1cf2, 0x5446) | |
9999 | }, | |
10000 | { | |
10001 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10002 | 0x1cf2, 0x5447) | |
10003 | }, | |
c57ee4cc DB |
10004 | { |
10005 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10006 | 0x1cf2, 0x5449) | |
10007 | }, | |
10008 | { | |
10009 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10010 | 0x1cf2, 0x544a) | |
10011 | }, | |
10012 | { | |
10013 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10014 | 0x1cf2, 0x544b) | |
10015 | }, | |
10016 | { | |
10017 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10018 | 0x1cf2, 0x544d) | |
10019 | }, | |
10020 | { | |
10021 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10022 | 0x1cf2, 0x544e) | |
10023 | }, | |
10024 | { | |
10025 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10026 | 0x1cf2, 0x544f) | |
10027 | }, | |
fe0375d4 DS |
10028 | { |
10029 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10030 | 0x1cf2, 0x54da) | |
10031 | }, | |
10032 | { | |
10033 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10034 | 0x1cf2, 0x54db) | |
10035 | }, | |
10036 | { | |
10037 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10038 | 0x1cf2, 0x54dc) | |
10039 | }, | |
09d9968a B |
10040 | { |
10041 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10042 | 0x1cf2, 0x0b27) | |
10043 | }, | |
10044 | { | |
10045 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10046 | 0x1cf2, 0x0b29) | |
10047 | }, | |
10048 | { | |
10049 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10050 | 0x1cf2, 0x0b45) | |
10051 | }, | |
dab53784 MB |
10052 | { |
10053 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10054 | 0x1cc4, 0x0101) | |
10055 | }, | |
10056 | { | |
10057 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10058 | 0x1cc4, 0x0201) | |
10059 | }, | |
2a9c2ba2 MM |
10060 | { |
10061 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10062 | PCI_VENDOR_ID_LENOVO, 0x0220) | |
10063 | }, | |
10064 | { | |
10065 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10066 | PCI_VENDOR_ID_LENOVO, 0x0221) | |
10067 | }, | |
10068 | { | |
10069 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10070 | PCI_VENDOR_ID_LENOVO, 0x0520) | |
10071 | }, | |
10072 | { | |
10073 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10074 | PCI_VENDOR_ID_LENOVO, 0x0522) | |
10075 | }, | |
10076 | { | |
10077 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10078 | PCI_VENDOR_ID_LENOVO, 0x0620) | |
10079 | }, | |
10080 | { | |
10081 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10082 | PCI_VENDOR_ID_LENOVO, 0x0621) | |
10083 | }, | |
10084 | { | |
10085 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10086 | PCI_VENDOR_ID_LENOVO, 0x0622) | |
10087 | }, | |
10088 | { | |
10089 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10090 | PCI_VENDOR_ID_LENOVO, 0x0623) | |
10091 | }, | |
fe0375d4 DS |
10092 | { |
10093 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10094 | 0x1014, 0x0718) | |
10095 | }, | |
0b93cf2a MM |
10096 | { |
10097 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10098 | 0x1e93, 0x1000) | |
10099 | }, | |
10100 | { | |
10101 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10102 | 0x1e93, 0x1001) | |
10103 | }, | |
10104 | { | |
10105 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10106 | 0x1e93, 0x1002) | |
10107 | }, | |
fe0375d4 DS |
10108 | { |
10109 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10110 | 0x1e93, 0x1005) | |
10111 | }, | |
10112 | { | |
10113 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10114 | 0x1f51, 0x1001) | |
10115 | }, | |
10116 | { | |
10117 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10118 | 0x1f51, 0x1002) | |
10119 | }, | |
10120 | { | |
10121 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10122 | 0x1f51, 0x1003) | |
10123 | }, | |
10124 | { | |
10125 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10126 | 0x1f51, 0x1004) | |
10127 | }, | |
10128 | { | |
10129 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10130 | 0x1f51, 0x1005) | |
10131 | }, | |
10132 | { | |
10133 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10134 | 0x1f51, 0x1006) | |
10135 | }, | |
10136 | { | |
10137 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10138 | 0x1f51, 0x1007) | |
10139 | }, | |
10140 | { | |
10141 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10142 | 0x1f51, 0x1008) | |
10143 | }, | |
10144 | { | |
10145 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10146 | 0x1f51, 0x1009) | |
10147 | }, | |
10148 | { | |
10149 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10150 | 0x1f51, 0x100a) | |
10151 | }, | |
6c223761 KB |
10152 | { |
10153 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10154 | PCI_ANY_ID, PCI_ANY_ID) | |
10155 | }, | |
10156 | { 0 } | |
10157 | }; | |
10158 | ||
10159 | MODULE_DEVICE_TABLE(pci, pqi_pci_id_table); | |
10160 | ||
10161 | static struct pci_driver pqi_pci_driver = { | |
10162 | .name = DRIVER_NAME_SHORT, | |
10163 | .id_table = pqi_pci_id_table, | |
10164 | .probe = pqi_pci_probe, | |
10165 | .remove = pqi_pci_remove, | |
10166 | .shutdown = pqi_shutdown, | |
061ef06a | 10167 | #if defined(CONFIG_PM) |
c66e078a KB |
10168 | .driver = { |
10169 | .pm = &pqi_pm_ops | |
10170 | }, | |
061ef06a | 10171 | #endif |
6c223761 KB |
10172 | }; |
10173 | ||
10174 | static int __init pqi_init(void) | |
10175 | { | |
10176 | int rc; | |
10177 | ||
10178 | pr_info(DRIVER_NAME "\n"); | |
5e693586 MM |
10179 | pqi_verify_structures(); |
10180 | sis_verify_structures(); | |
6c223761 | 10181 | |
8b664fef | 10182 | pqi_sas_transport_template = sas_attach_transport(&pqi_sas_transport_functions); |
6c223761 KB |
10183 | if (!pqi_sas_transport_template) |
10184 | return -ENODEV; | |
10185 | ||
3c50976f KB |
10186 | pqi_process_module_params(); |
10187 | ||
6c223761 KB |
10188 | rc = pci_register_driver(&pqi_pci_driver); |
10189 | if (rc) | |
10190 | sas_release_transport(pqi_sas_transport_template); | |
10191 | ||
10192 | return rc; | |
10193 | } | |
10194 | ||
10195 | static void __exit pqi_cleanup(void) | |
10196 | { | |
10197 | pci_unregister_driver(&pqi_pci_driver); | |
10198 | sas_release_transport(pqi_sas_transport_template); | |
10199 | } | |
10200 | ||
10201 | module_init(pqi_init); | |
10202 | module_exit(pqi_cleanup); | |
10203 | ||
5e693586 | 10204 | static void pqi_verify_structures(void) |
6c223761 KB |
10205 | { |
10206 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10207 | sis_host_to_ctrl_doorbell) != 0x20); | |
10208 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10209 | sis_interrupt_mask) != 0x34); | |
10210 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10211 | sis_ctrl_to_host_doorbell) != 0x9c); | |
10212 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10213 | sis_ctrl_to_host_doorbell_clear) != 0xa0); | |
ff6abb73 KB |
10214 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10215 | sis_driver_scratch) != 0xb0); | |
2708a256 KB |
10216 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10217 | sis_product_identifier) != 0xb4); | |
6c223761 KB |
10218 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10219 | sis_firmware_status) != 0xbc); | |
5d1f03e6 MB |
10220 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10221 | sis_ctrl_shutdown_reason_code) != 0xcc); | |
6c223761 KB |
10222 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10223 | sis_mailbox) != 0x1000); | |
10224 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10225 | pqi_registers) != 0x4000); | |
10226 | ||
10227 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10228 | iu_type) != 0x0); | |
10229 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10230 | iu_length) != 0x2); | |
10231 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10232 | response_queue_id) != 0x4); | |
10233 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
ae0c189d | 10234 | driver_flags) != 0x6); |
6c223761 KB |
10235 | BUILD_BUG_ON(sizeof(struct pqi_iu_header) != 0x8); |
10236 | ||
10237 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10238 | status) != 0x0); | |
10239 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10240 | service_response) != 0x1); | |
10241 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10242 | data_present) != 0x2); | |
10243 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10244 | reserved) != 0x3); | |
10245 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10246 | residual_count) != 0x4); | |
10247 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10248 | data_length) != 0x8); | |
10249 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10250 | reserved1) != 0xa); | |
10251 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10252 | data) != 0xc); | |
10253 | BUILD_BUG_ON(sizeof(struct pqi_aio_error_info) != 0x10c); | |
10254 | ||
10255 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10256 | data_in_result) != 0x0); | |
10257 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10258 | data_out_result) != 0x1); | |
10259 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10260 | reserved) != 0x2); | |
10261 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10262 | status) != 0x5); | |
10263 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10264 | status_qualifier) != 0x6); | |
10265 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10266 | sense_data_length) != 0x8); | |
10267 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10268 | response_data_length) != 0xa); | |
10269 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10270 | data_in_transferred) != 0xc); | |
10271 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10272 | data_out_transferred) != 0x10); | |
10273 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10274 | data) != 0x14); | |
10275 | BUILD_BUG_ON(sizeof(struct pqi_raid_error_info) != 0x114); | |
10276 | ||
10277 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10278 | signature) != 0x0); | |
10279 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10280 | function_and_status_code) != 0x8); | |
10281 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10282 | max_admin_iq_elements) != 0x10); | |
10283 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10284 | max_admin_oq_elements) != 0x11); | |
10285 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10286 | admin_iq_element_length) != 0x12); | |
10287 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10288 | admin_oq_element_length) != 0x13); | |
10289 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10290 | max_reset_timeout) != 0x14); | |
10291 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10292 | legacy_intx_status) != 0x18); | |
10293 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10294 | legacy_intx_mask_set) != 0x1c); | |
10295 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10296 | legacy_intx_mask_clear) != 0x20); | |
10297 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10298 | device_status) != 0x40); | |
10299 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10300 | admin_iq_pi_offset) != 0x48); | |
10301 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10302 | admin_oq_ci_offset) != 0x50); | |
10303 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10304 | admin_iq_element_array_addr) != 0x58); | |
10305 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10306 | admin_oq_element_array_addr) != 0x60); | |
10307 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10308 | admin_iq_ci_addr) != 0x68); | |
10309 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10310 | admin_oq_pi_addr) != 0x70); | |
10311 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10312 | admin_iq_num_elements) != 0x78); | |
10313 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10314 | admin_oq_num_elements) != 0x79); | |
10315 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10316 | admin_queue_int_msg_num) != 0x7a); | |
10317 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10318 | device_error) != 0x80); | |
10319 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10320 | error_details) != 0x88); | |
10321 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10322 | device_reset) != 0x90); | |
10323 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10324 | power_action) != 0x94); | |
10325 | BUILD_BUG_ON(sizeof(struct pqi_device_registers) != 0x100); | |
10326 | ||
10327 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10328 | header.iu_type) != 0); | |
10329 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10330 | header.iu_length) != 2); | |
10331 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
ae0c189d | 10332 | header.driver_flags) != 6); |
6c223761 KB |
10333 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, |
10334 | request_id) != 8); | |
10335 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10336 | function_code) != 10); | |
10337 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10338 | data.report_device_capability.buffer_length) != 44); | |
10339 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10340 | data.report_device_capability.sg_descriptor) != 48); | |
10341 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10342 | data.create_operational_iq.queue_id) != 12); | |
10343 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10344 | data.create_operational_iq.element_array_addr) != 16); | |
10345 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10346 | data.create_operational_iq.ci_addr) != 24); | |
10347 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10348 | data.create_operational_iq.num_elements) != 32); | |
10349 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10350 | data.create_operational_iq.element_length) != 34); | |
10351 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10352 | data.create_operational_iq.queue_protocol) != 36); | |
10353 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10354 | data.create_operational_oq.queue_id) != 12); | |
10355 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10356 | data.create_operational_oq.element_array_addr) != 16); | |
10357 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10358 | data.create_operational_oq.pi_addr) != 24); | |
10359 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10360 | data.create_operational_oq.num_elements) != 32); | |
10361 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10362 | data.create_operational_oq.element_length) != 34); | |
10363 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10364 | data.create_operational_oq.queue_protocol) != 36); | |
10365 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10366 | data.create_operational_oq.int_msg_num) != 40); | |
10367 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10368 | data.create_operational_oq.coalescing_count) != 42); | |
10369 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10370 | data.create_operational_oq.min_coalescing_time) != 44); | |
10371 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10372 | data.create_operational_oq.max_coalescing_time) != 48); | |
10373 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10374 | data.delete_operational_queue.queue_id) != 12); | |
10375 | BUILD_BUG_ON(sizeof(struct pqi_general_admin_request) != 64); | |
c593642c | 10376 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 | 10377 | data.create_operational_iq) != 64 - 11); |
c593642c | 10378 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 | 10379 | data.create_operational_oq) != 64 - 11); |
c593642c | 10380 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 KB |
10381 | data.delete_operational_queue) != 64 - 11); |
10382 | ||
10383 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10384 | header.iu_type) != 0); | |
10385 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10386 | header.iu_length) != 2); | |
10387 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
ae0c189d | 10388 | header.driver_flags) != 6); |
6c223761 KB |
10389 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, |
10390 | request_id) != 8); | |
10391 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10392 | function_code) != 10); | |
10393 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10394 | status) != 11); | |
10395 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10396 | data.create_operational_iq.status_descriptor) != 12); | |
10397 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10398 | data.create_operational_iq.iq_pi_offset) != 16); | |
10399 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10400 | data.create_operational_oq.status_descriptor) != 12); | |
10401 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10402 | data.create_operational_oq.oq_ci_offset) != 16); | |
10403 | BUILD_BUG_ON(sizeof(struct pqi_general_admin_response) != 64); | |
10404 | ||
10405 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10406 | header.iu_type) != 0); | |
10407 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10408 | header.iu_length) != 2); | |
10409 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10410 | header.response_queue_id) != 4); | |
10411 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
ae0c189d | 10412 | header.driver_flags) != 6); |
6c223761 KB |
10413 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10414 | request_id) != 8); | |
10415 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10416 | nexus_id) != 10); | |
10417 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10418 | buffer_length) != 12); | |
10419 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10420 | lun_number) != 16); | |
10421 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10422 | protocol_specific) != 24); | |
10423 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10424 | error_index) != 27); | |
10425 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10426 | cdb) != 32); | |
21432010 | 10427 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10428 | timeout) != 60); | |
6c223761 KB |
10429 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10430 | sg_descriptors) != 64); | |
10431 | BUILD_BUG_ON(sizeof(struct pqi_raid_path_request) != | |
10432 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
10433 | ||
10434 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10435 | header.iu_type) != 0); | |
10436 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10437 | header.iu_length) != 2); | |
10438 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10439 | header.response_queue_id) != 4); | |
10440 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
ae0c189d | 10441 | header.driver_flags) != 6); |
6c223761 KB |
10442 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, |
10443 | request_id) != 8); | |
10444 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10445 | nexus_id) != 12); | |
10446 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10447 | buffer_length) != 16); | |
10448 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10449 | data_encryption_key_index) != 22); | |
10450 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10451 | encrypt_tweak_lower) != 24); | |
10452 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10453 | encrypt_tweak_upper) != 28); | |
10454 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10455 | cdb) != 32); | |
10456 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10457 | error_index) != 48); | |
10458 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10459 | num_sg_descriptors) != 50); | |
10460 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10461 | cdb_length) != 51); | |
10462 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10463 | lun_number) != 52); | |
10464 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10465 | sg_descriptors) != 64); | |
10466 | BUILD_BUG_ON(sizeof(struct pqi_aio_path_request) != | |
10467 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
10468 | ||
10469 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10470 | header.iu_type) != 0); | |
10471 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10472 | header.iu_length) != 2); | |
10473 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10474 | request_id) != 8); | |
10475 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10476 | error_index) != 10); | |
10477 | ||
10478 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10479 | header.iu_type) != 0); | |
10480 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10481 | header.iu_length) != 2); | |
10482 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10483 | header.response_queue_id) != 4); | |
10484 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10485 | request_id) != 8); | |
10486 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10487 | data.report_event_configuration.buffer_length) != 12); | |
10488 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10489 | data.report_event_configuration.sg_descriptors) != 16); | |
10490 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10491 | data.set_event_configuration.global_event_oq_id) != 10); | |
10492 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10493 | data.set_event_configuration.buffer_length) != 12); | |
10494 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10495 | data.set_event_configuration.sg_descriptors) != 16); | |
10496 | ||
10497 | BUILD_BUG_ON(offsetof(struct pqi_iu_layer_descriptor, | |
10498 | max_inbound_iu_length) != 6); | |
10499 | BUILD_BUG_ON(offsetof(struct pqi_iu_layer_descriptor, | |
10500 | max_outbound_iu_length) != 14); | |
10501 | BUILD_BUG_ON(sizeof(struct pqi_iu_layer_descriptor) != 16); | |
10502 | ||
10503 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10504 | data_length) != 0); | |
10505 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10506 | iq_arbitration_priority_support_bitmask) != 8); | |
10507 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10508 | maximum_aw_a) != 9); | |
10509 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10510 | maximum_aw_b) != 10); | |
10511 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10512 | maximum_aw_c) != 11); | |
10513 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10514 | max_inbound_queues) != 16); | |
10515 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10516 | max_elements_per_iq) != 18); | |
10517 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10518 | max_iq_element_length) != 24); | |
10519 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10520 | min_iq_element_length) != 26); | |
10521 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10522 | max_outbound_queues) != 30); | |
10523 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10524 | max_elements_per_oq) != 32); | |
10525 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10526 | intr_coalescing_time_granularity) != 34); | |
10527 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10528 | max_oq_element_length) != 36); | |
10529 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10530 | min_oq_element_length) != 38); | |
10531 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10532 | iu_layer_descriptors) != 64); | |
10533 | BUILD_BUG_ON(sizeof(struct pqi_device_capability) != 576); | |
10534 | ||
10535 | BUILD_BUG_ON(offsetof(struct pqi_event_descriptor, | |
10536 | event_type) != 0); | |
10537 | BUILD_BUG_ON(offsetof(struct pqi_event_descriptor, | |
10538 | oq_id) != 2); | |
10539 | BUILD_BUG_ON(sizeof(struct pqi_event_descriptor) != 4); | |
10540 | ||
10541 | BUILD_BUG_ON(offsetof(struct pqi_event_config, | |
10542 | num_event_descriptors) != 2); | |
10543 | BUILD_BUG_ON(offsetof(struct pqi_event_config, | |
10544 | descriptors) != 4); | |
10545 | ||
061ef06a KB |
10546 | BUILD_BUG_ON(PQI_NUM_SUPPORTED_EVENTS != |
10547 | ARRAY_SIZE(pqi_supported_event_types)); | |
10548 | ||
6c223761 KB |
10549 | BUILD_BUG_ON(offsetof(struct pqi_event_response, |
10550 | header.iu_type) != 0); | |
10551 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10552 | header.iu_length) != 2); | |
10553 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10554 | event_type) != 8); | |
10555 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10556 | event_id) != 10); | |
10557 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10558 | additional_event_id) != 12); | |
10559 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10560 | data) != 16); | |
10561 | BUILD_BUG_ON(sizeof(struct pqi_event_response) != 32); | |
10562 | ||
10563 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10564 | header.iu_type) != 0); | |
10565 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10566 | header.iu_length) != 2); | |
10567 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10568 | event_type) != 8); | |
10569 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10570 | event_id) != 10); | |
10571 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10572 | additional_event_id) != 12); | |
10573 | BUILD_BUG_ON(sizeof(struct pqi_event_acknowledge_request) != 16); | |
10574 | ||
10575 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10576 | header.iu_type) != 0); | |
10577 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10578 | header.iu_length) != 2); | |
10579 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10580 | request_id) != 8); | |
10581 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10582 | nexus_id) != 10); | |
10583 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
c2922f17 MB |
10584 | timeout) != 14); |
10585 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
6c223761 KB |
10586 | lun_number) != 16); |
10587 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10588 | protocol_specific) != 24); | |
10589 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10590 | outbound_queue_id_to_manage) != 26); | |
10591 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10592 | request_id_to_manage) != 28); | |
10593 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10594 | task_management_function) != 30); | |
10595 | BUILD_BUG_ON(sizeof(struct pqi_task_management_request) != 32); | |
10596 | ||
10597 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10598 | header.iu_type) != 0); | |
10599 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10600 | header.iu_length) != 2); | |
10601 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10602 | request_id) != 8); | |
10603 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10604 | nexus_id) != 10); | |
10605 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10606 | additional_response_info) != 12); | |
10607 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10608 | response_code) != 15); | |
10609 | BUILD_BUG_ON(sizeof(struct pqi_task_management_response) != 16); | |
10610 | ||
10611 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10612 | configured_logical_drive_count) != 0); | |
10613 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10614 | configuration_signature) != 1); | |
10615 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
598bef8d | 10616 | firmware_version_short) != 5); |
6c223761 KB |
10617 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10618 | extended_logical_unit_count) != 154); | |
10619 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10620 | firmware_build_number) != 190); | |
598bef8d KB |
10621 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10622 | vendor_id) != 200); | |
10623 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10624 | product_id) != 208); | |
10625 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10626 | extra_controller_flags) != 286); | |
6c223761 KB |
10627 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10628 | controller_mode) != 292); | |
598bef8d KB |
10629 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10630 | spare_part_number) != 293); | |
10631 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10632 | firmware_version_long) != 325); | |
6c223761 | 10633 | |
1be42f46 KB |
10634 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, |
10635 | phys_bay_in_box) != 115); | |
10636 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10637 | device_type) != 120); | |
10638 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10639 | redundant_path_present_map) != 1736); | |
10640 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10641 | active_path_number) != 1738); | |
10642 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10643 | alternate_paths_phys_connector) != 1739); | |
10644 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10645 | alternate_paths_phys_box_on_port) != 1755); | |
10646 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10647 | current_queue_depth_limit) != 1796); | |
10648 | BUILD_BUG_ON(sizeof(struct bmic_identify_physical_device) != 2560); | |
10649 | ||
f6cc2a77 KB |
10650 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_buffer_header) != 4); |
10651 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10652 | page_code) != 0); | |
10653 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10654 | subpage_code) != 1); | |
10655 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10656 | buffer_length) != 2); | |
10657 | ||
10658 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_page_header) != 4); | |
10659 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10660 | page_code) != 0); | |
10661 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10662 | subpage_code) != 1); | |
10663 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10664 | page_length) != 2); | |
10665 | ||
10666 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_io_page_aio_subpage) | |
10667 | != 18); | |
10668 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10669 | header) != 0); | |
10670 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10671 | firmware_read_support) != 4); | |
10672 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10673 | driver_read_support) != 5); | |
10674 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10675 | firmware_write_support) != 6); | |
10676 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10677 | driver_write_support) != 7); | |
10678 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10679 | max_transfer_encrypted_sas_sata) != 8); | |
10680 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10681 | max_transfer_encrypted_nvme) != 10); | |
10682 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10683 | max_write_raid_5_6) != 12); | |
10684 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10685 | max_write_raid_1_10_2drive) != 14); | |
10686 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10687 | max_write_raid_1_10_3drive) != 16); | |
10688 | ||
6c223761 KB |
10689 | BUILD_BUG_ON(PQI_ADMIN_IQ_NUM_ELEMENTS > 255); |
10690 | BUILD_BUG_ON(PQI_ADMIN_OQ_NUM_ELEMENTS > 255); | |
10691 | BUILD_BUG_ON(PQI_ADMIN_IQ_ELEMENT_LENGTH % | |
10692 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10693 | BUILD_BUG_ON(PQI_ADMIN_OQ_ELEMENT_LENGTH % | |
10694 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10695 | BUILD_BUG_ON(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH > 1048560); | |
10696 | BUILD_BUG_ON(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH % | |
10697 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10698 | BUILD_BUG_ON(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH > 1048560); | |
10699 | BUILD_BUG_ON(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH % | |
10700 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10701 | ||
10702 | BUILD_BUG_ON(PQI_RESERVED_IO_SLOTS >= PQI_MAX_OUTSTANDING_REQUESTS); | |
d727a776 KB |
10703 | BUILD_BUG_ON(PQI_RESERVED_IO_SLOTS >= |
10704 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP); | |
6c223761 | 10705 | } |