Commit | Line | Data |
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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 | ||
08b7ad50 | 36 | #define DRIVER_VERSION "2.1.24-046" |
d56030f8 DB |
37 | #define DRIVER_MAJOR 2 |
38 | #define DRIVER_MINOR 1 | |
08b7ad50 DB |
39 | #define DRIVER_RELEASE 24 |
40 | #define DRIVER_REVISION 46 | |
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; | |
6ce3cfb3 KB |
2096 | memset(existing_device->next_bypass_group, 0, sizeof(existing_device->next_bypass_group)); |
2097 | if (!pqi_raid_maps_equal(existing_device->raid_map, new_device->raid_map)) { | |
2098 | kfree(existing_device->raid_map); | |
2099 | existing_device->raid_map = new_device->raid_map; | |
2100 | /* To prevent this from being freed later. */ | |
2101 | new_device->raid_map = NULL; | |
2102 | } | |
2103 | existing_device->raid_bypass_configured = new_device->raid_bypass_configured; | |
2104 | existing_device->raid_bypass_enabled = new_device->raid_bypass_enabled; | |
2105 | } | |
2106 | } else { | |
2107 | existing_device->aio_enabled = new_device->aio_enabled; | |
2108 | existing_device->aio_handle = new_device->aio_handle; | |
2109 | existing_device->is_expander_smp_device = new_device->is_expander_smp_device; | |
2110 | existing_device->active_path_index = new_device->active_path_index; | |
2111 | existing_device->phy_id = new_device->phy_id; | |
2112 | existing_device->path_map = new_device->path_map; | |
2113 | existing_device->bay = new_device->bay; | |
2114 | existing_device->box_index = new_device->box_index; | |
2115 | existing_device->phys_box_on_bus = new_device->phys_box_on_bus; | |
2116 | existing_device->phy_connected_dev_type = new_device->phy_connected_dev_type; | |
2117 | memcpy(existing_device->box, new_device->box, sizeof(existing_device->box)); | |
2118 | memcpy(existing_device->phys_connector, new_device->phys_connector, sizeof(existing_device->phys_connector)); | |
6ce3cfb3 | 2119 | } |
6c223761 KB |
2120 | } |
2121 | ||
2122 | static inline void pqi_free_device(struct pqi_scsi_dev *device) | |
2123 | { | |
2124 | if (device) { | |
2125 | kfree(device->raid_map); | |
2126 | kfree(device); | |
2127 | } | |
2128 | } | |
2129 | ||
2130 | /* | |
2131 | * Called when exposing a new device to the OS fails in order to re-adjust | |
2132 | * our internal SCSI device list to match the SCSI ML's view. | |
2133 | */ | |
2134 | ||
2135 | static inline void pqi_fixup_botched_add(struct pqi_ctrl_info *ctrl_info, | |
2136 | struct pqi_scsi_dev *device) | |
2137 | { | |
2138 | unsigned long flags; | |
2139 | ||
2140 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
2141 | list_del(&device->scsi_device_list_entry); | |
2142 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
2143 | ||
2144 | /* Allow the device structure to be freed later. */ | |
2145 | device->keep_device = false; | |
2146 | } | |
2147 | ||
3d46a59a DB |
2148 | static inline bool pqi_is_device_added(struct pqi_scsi_dev *device) |
2149 | { | |
2150 | if (device->is_expander_smp_device) | |
2151 | return device->sas_port != NULL; | |
2152 | ||
2153 | return device->sdev != NULL; | |
2154 | } | |
2155 | ||
153c45dd KB |
2156 | static inline void pqi_init_device_tmf_work(struct pqi_scsi_dev *device) |
2157 | { | |
2158 | unsigned int lun; | |
2159 | struct pqi_tmf_work *tmf_work; | |
2160 | ||
2161 | for (lun = 0, tmf_work = device->tmf_work; lun < PQI_MAX_LUNS_PER_DEVICE; lun++, tmf_work++) | |
2162 | INIT_WORK(&tmf_work->work_struct, pqi_tmf_worker); | |
2163 | } | |
2164 | ||
fb4cece1 MR |
2165 | static inline bool pqi_volume_rescan_needed(struct pqi_scsi_dev *device) |
2166 | { | |
2167 | if (pqi_device_in_remove(device)) | |
2168 | return false; | |
2169 | ||
2170 | if (device->sdev == NULL) | |
2171 | return false; | |
2172 | ||
2173 | if (!scsi_device_online(device->sdev)) | |
2174 | return false; | |
2175 | ||
2176 | return device->rescan; | |
2177 | } | |
2178 | ||
6c223761 KB |
2179 | static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, |
2180 | struct pqi_scsi_dev *new_device_list[], unsigned int num_new_devices) | |
2181 | { | |
2182 | int rc; | |
2183 | unsigned int i; | |
2184 | unsigned long flags; | |
2185 | enum pqi_find_result find_result; | |
2186 | struct pqi_scsi_dev *device; | |
2187 | struct pqi_scsi_dev *next; | |
2188 | struct pqi_scsi_dev *matching_device; | |
8a994a04 KB |
2189 | LIST_HEAD(add_list); |
2190 | LIST_HEAD(delete_list); | |
6c223761 KB |
2191 | |
2192 | /* | |
2193 | * The idea here is to do as little work as possible while holding the | |
2194 | * spinlock. That's why we go to great pains to defer anything other | |
2195 | * than updating the internal device list until after we release the | |
2196 | * spinlock. | |
2197 | */ | |
2198 | ||
2199 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
2200 | ||
2201 | /* Assume that all devices in the existing list have gone away. */ | |
4d15ad38 | 2202 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) |
6c223761 KB |
2203 | device->device_gone = true; |
2204 | ||
2205 | for (i = 0; i < num_new_devices; i++) { | |
2206 | device = new_device_list[i]; | |
2207 | ||
2208 | find_result = pqi_scsi_find_entry(ctrl_info, device, | |
694c5d5b | 2209 | &matching_device); |
6c223761 KB |
2210 | |
2211 | switch (find_result) { | |
2212 | case DEVICE_SAME: | |
2213 | /* | |
2214 | * The newly found device is already in the existing | |
2215 | * device list. | |
2216 | */ | |
2217 | device->new_device = false; | |
2218 | matching_device->device_gone = false; | |
27655e9d | 2219 | pqi_scsi_update_device(ctrl_info, matching_device, device); |
6c223761 KB |
2220 | break; |
2221 | case DEVICE_NOT_FOUND: | |
2222 | /* | |
2223 | * The newly found device is NOT in the existing device | |
2224 | * list. | |
2225 | */ | |
2226 | device->new_device = true; | |
2227 | break; | |
2228 | case DEVICE_CHANGED: | |
2229 | /* | |
2230 | * The original device has gone away and we need to add | |
2231 | * the new device. | |
2232 | */ | |
2233 | device->new_device = true; | |
2234 | break; | |
6c223761 KB |
2235 | } |
2236 | } | |
2237 | ||
2238 | /* Process all devices that have gone away. */ | |
2239 | list_for_each_entry_safe(device, next, &ctrl_info->scsi_device_list, | |
2240 | scsi_device_list_entry) { | |
2241 | if (device->device_gone) { | |
819225b0 | 2242 | list_del(&device->scsi_device_list_entry); |
6c223761 KB |
2243 | list_add_tail(&device->delete_list_entry, &delete_list); |
2244 | } | |
2245 | } | |
2246 | ||
2247 | /* Process all new devices. */ | |
2248 | for (i = 0; i < num_new_devices; i++) { | |
2249 | device = new_device_list[i]; | |
2250 | if (!device->new_device) | |
2251 | continue; | |
2252 | if (device->volume_offline) | |
2253 | continue; | |
2254 | list_add_tail(&device->scsi_device_list_entry, | |
2255 | &ctrl_info->scsi_device_list); | |
2256 | list_add_tail(&device->add_list_entry, &add_list); | |
2257 | /* To prevent this device structure from being freed later. */ | |
2258 | device->keep_device = true; | |
153c45dd | 2259 | pqi_init_device_tmf_work(device); |
6c223761 KB |
2260 | } |
2261 | ||
6c223761 KB |
2262 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
2263 | ||
2790cd4d KB |
2264 | /* |
2265 | * If OFA is in progress and there are devices that need to be deleted, | |
2266 | * allow any pending reset operations to continue and unblock any SCSI | |
2267 | * requests before removal. | |
2268 | */ | |
2269 | if (pqi_ofa_in_progress(ctrl_info)) { | |
2270 | list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) | |
2271 | if (pqi_is_device_added(device)) | |
2272 | pqi_device_remove_start(device); | |
2273 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
2274 | pqi_scsi_unblock_requests(ctrl_info); | |
2275 | } | |
4fd22c13 | 2276 | |
6c223761 | 2277 | /* Remove all devices that have gone away. */ |
4d15ad38 | 2278 | list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) { |
6c223761 KB |
2279 | if (device->volume_offline) { |
2280 | pqi_dev_info(ctrl_info, "offline", device); | |
2281 | pqi_show_volume_status(ctrl_info, device); | |
4d15ad38 | 2282 | } else { |
819225b0 | 2283 | pqi_dev_info(ctrl_info, "removed", device); |
4d15ad38 | 2284 | } |
819225b0 DB |
2285 | if (pqi_is_device_added(device)) |
2286 | pqi_remove_device(ctrl_info, device); | |
2287 | list_del(&device->delete_list_entry); | |
2288 | pqi_free_device(device); | |
6c223761 KB |
2289 | } |
2290 | ||
2291 | /* | |
27655e9d MR |
2292 | * Notify the SML of any existing device changes such as; |
2293 | * queue depth, device size. | |
6c223761 | 2294 | */ |
583891c9 KB |
2295 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { |
2296 | if (device->sdev && device->queue_depth != device->advertised_queue_depth) { | |
2297 | device->advertised_queue_depth = device->queue_depth; | |
2298 | scsi_change_queue_depth(device->sdev, device->advertised_queue_depth); | |
fb4cece1 MR |
2299 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
2300 | if (pqi_volume_rescan_needed(device)) { | |
244ca45e | 2301 | device->rescan = false; |
fb4cece1 MR |
2302 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
2303 | scsi_rescan_device(device->sdev); | |
2304 | } else { | |
2305 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
244ca45e | 2306 | } |
6c223761 KB |
2307 | } |
2308 | } | |
2309 | ||
2310 | /* Expose any new devices. */ | |
2311 | list_for_each_entry_safe(device, next, &add_list, add_list_entry) { | |
3d46a59a | 2312 | if (!pqi_is_device_added(device)) { |
6c223761 | 2313 | rc = pqi_add_device(ctrl_info, device); |
ce143793 KB |
2314 | if (rc == 0) { |
2315 | pqi_dev_info(ctrl_info, "added", device); | |
2316 | } else { | |
6c223761 KB |
2317 | dev_warn(&ctrl_info->pci_dev->dev, |
2318 | "scsi %d:%d:%d:%d addition failed, device not added\n", | |
2319 | ctrl_info->scsi_host->host_no, | |
2320 | device->bus, device->target, | |
2321 | device->lun); | |
2322 | pqi_fixup_botched_add(ctrl_info, device); | |
6c223761 KB |
2323 | } |
2324 | } | |
6c223761 | 2325 | } |
27655e9d | 2326 | |
6c223761 KB |
2327 | } |
2328 | ||
ce143793 | 2329 | static inline bool pqi_is_supported_device(struct pqi_scsi_dev *device) |
6c223761 | 2330 | { |
ce143793 KB |
2331 | /* |
2332 | * Only support the HBA controller itself as a RAID | |
2333 | * controller. If it's a RAID controller other than | |
2334 | * the HBA itself (an external RAID controller, for | |
2335 | * example), we don't support it. | |
2336 | */ | |
2337 | if (device->device_type == SA_DEVICE_TYPE_CONTROLLER && | |
2338 | !pqi_is_hba_lunid(device->scsi3addr)) | |
583891c9 | 2339 | return false; |
6c223761 | 2340 | |
ce143793 | 2341 | return true; |
6c223761 KB |
2342 | } |
2343 | ||
94086f5b | 2344 | static inline bool pqi_skip_device(u8 *scsi3addr) |
6c223761 | 2345 | { |
94086f5b KB |
2346 | /* Ignore all masked devices. */ |
2347 | if (MASKED_DEVICE(scsi3addr)) | |
6c223761 | 2348 | return true; |
6c223761 KB |
2349 | |
2350 | return false; | |
2351 | } | |
2352 | ||
522bc026 DC |
2353 | static inline void pqi_mask_device(u8 *scsi3addr) |
2354 | { | |
2355 | scsi3addr[3] |= 0xc0; | |
2356 | } | |
2357 | ||
94a68c81 MB |
2358 | static inline bool pqi_is_multipath_device(struct pqi_scsi_dev *device) |
2359 | { | |
2360 | if (pqi_is_logical_device(device)) | |
2361 | return false; | |
2362 | ||
2363 | return (device->path_map & (device->path_map - 1)) != 0; | |
2364 | } | |
2365 | ||
cd128244 DC |
2366 | static inline bool pqi_expose_device(struct pqi_scsi_dev *device) |
2367 | { | |
583891c9 | 2368 | return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); |
cd128244 DC |
2369 | } |
2370 | ||
6c223761 KB |
2371 | static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) |
2372 | { | |
2373 | int i; | |
2374 | int rc; | |
8a994a04 | 2375 | LIST_HEAD(new_device_list_head); |
28ca6d87 MM |
2376 | struct report_phys_lun_16byte_wwid_list *physdev_list = NULL; |
2377 | struct report_log_lun_list *logdev_list = NULL; | |
2378 | struct report_phys_lun_16byte_wwid *phys_lun; | |
2379 | struct report_log_lun *log_lun; | |
6c223761 KB |
2380 | struct bmic_identify_physical_device *id_phys = NULL; |
2381 | u32 num_physicals; | |
2382 | u32 num_logicals; | |
2383 | struct pqi_scsi_dev **new_device_list = NULL; | |
2384 | struct pqi_scsi_dev *device; | |
2385 | struct pqi_scsi_dev *next; | |
2386 | unsigned int num_new_devices; | |
2387 | unsigned int num_valid_devices; | |
2388 | bool is_physical_device; | |
2389 | u8 *scsi3addr; | |
5e6a9760 GW |
2390 | unsigned int physical_index; |
2391 | unsigned int logical_index; | |
6c223761 | 2392 | static char *out_of_memory_msg = |
6de783f6 | 2393 | "failed to allocate memory, device discovery stopped"; |
6c223761 | 2394 | |
6c223761 KB |
2395 | rc = pqi_get_device_lists(ctrl_info, &physdev_list, &logdev_list); |
2396 | if (rc) | |
2397 | goto out; | |
2398 | ||
2399 | if (physdev_list) | |
2400 | num_physicals = | |
2401 | get_unaligned_be32(&physdev_list->header.list_length) | |
2402 | / sizeof(physdev_list->lun_entries[0]); | |
2403 | else | |
2404 | num_physicals = 0; | |
2405 | ||
2406 | if (logdev_list) | |
2407 | num_logicals = | |
2408 | get_unaligned_be32(&logdev_list->header.list_length) | |
2409 | / sizeof(logdev_list->lun_entries[0]); | |
2410 | else | |
2411 | num_logicals = 0; | |
2412 | ||
2413 | if (num_physicals) { | |
2414 | /* | |
2415 | * We need this buffer for calls to pqi_get_physical_disk_info() | |
2416 | * below. We allocate it here instead of inside | |
2417 | * pqi_get_physical_disk_info() because it's a fairly large | |
2418 | * buffer. | |
2419 | */ | |
2420 | id_phys = kmalloc(sizeof(*id_phys), GFP_KERNEL); | |
2421 | if (!id_phys) { | |
2422 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2423 | out_of_memory_msg); | |
2424 | rc = -ENOMEM; | |
2425 | goto out; | |
2426 | } | |
522bc026 | 2427 | |
694c5d5b | 2428 | if (pqi_hide_vsep) { |
522bc026 | 2429 | for (i = num_physicals - 1; i >= 0; i--) { |
28ca6d87 MM |
2430 | phys_lun = &physdev_list->lun_entries[i]; |
2431 | if (CISS_GET_DRIVE_NUMBER(phys_lun->lunid) == PQI_VSEP_CISS_BTL) { | |
2432 | pqi_mask_device(phys_lun->lunid); | |
522bc026 DC |
2433 | break; |
2434 | } | |
2435 | } | |
2436 | } | |
6c223761 KB |
2437 | } |
2438 | ||
f6cc2a77 KB |
2439 | if (num_logicals && |
2440 | (logdev_list->header.flags & CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX)) | |
2441 | ctrl_info->lv_drive_type_mix_valid = true; | |
2442 | ||
6c223761 KB |
2443 | num_new_devices = num_physicals + num_logicals; |
2444 | ||
6da2ec56 KC |
2445 | new_device_list = kmalloc_array(num_new_devices, |
2446 | sizeof(*new_device_list), | |
2447 | GFP_KERNEL); | |
6c223761 KB |
2448 | if (!new_device_list) { |
2449 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", out_of_memory_msg); | |
2450 | rc = -ENOMEM; | |
2451 | goto out; | |
2452 | } | |
2453 | ||
2454 | for (i = 0; i < num_new_devices; i++) { | |
2455 | device = kzalloc(sizeof(*device), GFP_KERNEL); | |
2456 | if (!device) { | |
2457 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2458 | out_of_memory_msg); | |
2459 | rc = -ENOMEM; | |
2460 | goto out; | |
2461 | } | |
2462 | list_add_tail(&device->new_device_list_entry, | |
2463 | &new_device_list_head); | |
2464 | } | |
2465 | ||
2466 | device = NULL; | |
2467 | num_valid_devices = 0; | |
5e6a9760 GW |
2468 | physical_index = 0; |
2469 | logical_index = 0; | |
6c223761 KB |
2470 | |
2471 | for (i = 0; i < num_new_devices; i++) { | |
2472 | ||
5e6a9760 GW |
2473 | if ((!pqi_expose_ld_first && i < num_physicals) || |
2474 | (pqi_expose_ld_first && i >= num_logicals)) { | |
6c223761 | 2475 | is_physical_device = true; |
28ca6d87 MM |
2476 | phys_lun = &physdev_list->lun_entries[physical_index++]; |
2477 | log_lun = NULL; | |
2478 | scsi3addr = phys_lun->lunid; | |
6c223761 KB |
2479 | } else { |
2480 | is_physical_device = false; | |
28ca6d87 MM |
2481 | phys_lun = NULL; |
2482 | log_lun = &logdev_list->lun_entries[logical_index++]; | |
2483 | scsi3addr = log_lun->lunid; | |
6c223761 KB |
2484 | } |
2485 | ||
94086f5b | 2486 | if (is_physical_device && pqi_skip_device(scsi3addr)) |
6c223761 KB |
2487 | continue; |
2488 | ||
2489 | if (device) | |
2490 | device = list_next_entry(device, new_device_list_entry); | |
2491 | else | |
2492 | device = list_first_entry(&new_device_list_head, | |
2493 | struct pqi_scsi_dev, new_device_list_entry); | |
2494 | ||
2495 | memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr)); | |
2496 | device->is_physical_device = is_physical_device; | |
3d46a59a | 2497 | if (is_physical_device) { |
28ca6d87 | 2498 | device->device_type = phys_lun->device_type; |
ce143793 | 2499 | if (device->device_type == SA_DEVICE_TYPE_EXPANDER_SMP) |
3d46a59a DB |
2500 | device->is_expander_smp_device = true; |
2501 | } else { | |
bd10cf0b KB |
2502 | device->is_external_raid_device = |
2503 | pqi_is_external_raid_addr(scsi3addr); | |
3d46a59a | 2504 | } |
6c223761 | 2505 | |
ce143793 KB |
2506 | if (!pqi_is_supported_device(device)) |
2507 | continue; | |
2508 | ||
6c223761 | 2509 | /* Gather information about the device. */ |
ce143793 | 2510 | rc = pqi_get_device_info(ctrl_info, device, id_phys); |
6c223761 KB |
2511 | if (rc == -ENOMEM) { |
2512 | dev_warn(&ctrl_info->pci_dev->dev, "%s\n", | |
2513 | out_of_memory_msg); | |
2514 | goto out; | |
2515 | } | |
2516 | if (rc) { | |
6de783f6 KB |
2517 | if (device->is_physical_device) |
2518 | dev_warn(&ctrl_info->pci_dev->dev, | |
28ca6d87 MM |
2519 | "obtaining device info failed, skipping physical device %016llx%016llx\n", |
2520 | get_unaligned_be64(&phys_lun->wwid[0]), | |
2521 | get_unaligned_be64(&phys_lun->wwid[8])); | |
6de783f6 KB |
2522 | else |
2523 | dev_warn(&ctrl_info->pci_dev->dev, | |
2524 | "obtaining device info failed, skipping logical device %08x%08x\n", | |
2525 | *((u32 *)&device->scsi3addr), | |
2526 | *((u32 *)&device->scsi3addr[4])); | |
6c223761 KB |
2527 | rc = 0; |
2528 | continue; | |
2529 | } | |
2530 | ||
2eddf98d KB |
2531 | /* Do not present disks that the OS cannot fully probe. */ |
2532 | if (pqi_keep_device_offline(device)) | |
2533 | continue; | |
2534 | ||
6c223761 KB |
2535 | pqi_assign_bus_target_lun(device); |
2536 | ||
6c223761 | 2537 | if (device->is_physical_device) { |
00598b05 | 2538 | memcpy(device->wwid, phys_lun->wwid, sizeof(device->wwid)); |
28ca6d87 | 2539 | if ((phys_lun->device_flags & |
694c5d5b | 2540 | CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED) && |
28ca6d87 | 2541 | phys_lun->aio_handle) { |
583891c9 KB |
2542 | device->aio_enabled = true; |
2543 | device->aio_handle = | |
28ca6d87 | 2544 | phys_lun->aio_handle; |
3d46a59a | 2545 | } |
6c223761 | 2546 | } else { |
28ca6d87 | 2547 | memcpy(device->volume_id, log_lun->volume_id, |
6c223761 KB |
2548 | sizeof(device->volume_id)); |
2549 | } | |
2550 | ||
291c2e00 | 2551 | device->sas_address = get_unaligned_be64(&device->wwid[0]); |
6c223761 KB |
2552 | |
2553 | new_device_list[num_valid_devices++] = device; | |
2554 | } | |
2555 | ||
2556 | pqi_update_device_list(ctrl_info, new_device_list, num_valid_devices); | |
2557 | ||
2558 | out: | |
2559 | list_for_each_entry_safe(device, next, &new_device_list_head, | |
2560 | new_device_list_entry) { | |
2561 | if (device->keep_device) | |
2562 | continue; | |
2563 | list_del(&device->new_device_list_entry); | |
2564 | pqi_free_device(device); | |
2565 | } | |
2566 | ||
2567 | kfree(new_device_list); | |
2568 | kfree(physdev_list); | |
2569 | kfree(logdev_list); | |
2570 | kfree(id_phys); | |
2571 | ||
2572 | return rc; | |
2573 | } | |
2574 | ||
6c223761 KB |
2575 | static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) |
2576 | { | |
66f1c2b4 KB |
2577 | int rc; |
2578 | int mutex_acquired; | |
6c223761 KB |
2579 | |
2580 | if (pqi_ctrl_offline(ctrl_info)) | |
2581 | return -ENXIO; | |
2582 | ||
66f1c2b4 KB |
2583 | mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); |
2584 | ||
2585 | if (!mutex_acquired) { | |
2586 | if (pqi_ctrl_scan_blocked(ctrl_info)) | |
2587 | return -EBUSY; | |
5f310425 | 2588 | pqi_schedule_rescan_worker_delayed(ctrl_info); |
66f1c2b4 | 2589 | return -EINPROGRESS; |
530dd8a7 | 2590 | } |
6c223761 | 2591 | |
66f1c2b4 KB |
2592 | rc = pqi_update_scsi_devices(ctrl_info); |
2593 | if (rc && !pqi_ctrl_scan_blocked(ctrl_info)) | |
2594 | pqi_schedule_rescan_worker_delayed(ctrl_info); | |
2595 | ||
2596 | mutex_unlock(&ctrl_info->scan_mutex); | |
2597 | ||
6c223761 KB |
2598 | return rc; |
2599 | } | |
2600 | ||
2601 | static void pqi_scan_start(struct Scsi_Host *shost) | |
2602 | { | |
4fd22c13 MR |
2603 | struct pqi_ctrl_info *ctrl_info; |
2604 | ||
2605 | ctrl_info = shost_to_hba(shost); | |
4fd22c13 MR |
2606 | |
2607 | pqi_scan_scsi_devices(ctrl_info); | |
6c223761 KB |
2608 | } |
2609 | ||
2610 | /* Returns TRUE if scan is finished. */ | |
2611 | ||
2612 | static int pqi_scan_finished(struct Scsi_Host *shost, | |
2613 | unsigned long elapsed_time) | |
2614 | { | |
2615 | struct pqi_ctrl_info *ctrl_info; | |
2616 | ||
2617 | ctrl_info = shost_priv(shost); | |
2618 | ||
2619 | return !mutex_is_locked(&ctrl_info->scan_mutex); | |
2620 | } | |
2621 | ||
583891c9 KB |
2622 | static inline void pqi_set_encryption_info(struct pqi_encryption_info *encryption_info, |
2623 | struct raid_map *raid_map, u64 first_block) | |
6c223761 KB |
2624 | { |
2625 | u32 volume_blk_size; | |
2626 | ||
2627 | /* | |
2628 | * Set the encryption tweak values based on logical block address. | |
2629 | * If the block size is 512, the tweak value is equal to the LBA. | |
2630 | * For other block sizes, tweak value is (LBA * block size) / 512. | |
2631 | */ | |
2632 | volume_blk_size = get_unaligned_le32(&raid_map->volume_blk_size); | |
2633 | if (volume_blk_size != 512) | |
2634 | first_block = (first_block * volume_blk_size) / 512; | |
2635 | ||
2636 | encryption_info->data_encryption_key_index = | |
2637 | get_unaligned_le16(&raid_map->data_encryption_key_index); | |
2638 | encryption_info->encrypt_tweak_lower = lower_32_bits(first_block); | |
2639 | encryption_info->encrypt_tweak_upper = upper_32_bits(first_block); | |
2640 | } | |
2641 | ||
2642 | /* | |
588a63fe | 2643 | * Attempt to perform RAID bypass mapping for a logical volume I/O. |
6c223761 KB |
2644 | */ |
2645 | ||
6702d2c4 DB |
2646 | static bool pqi_aio_raid_level_supported(struct pqi_ctrl_info *ctrl_info, |
2647 | struct pqi_scsi_dev_raid_map_data *rmd) | |
281a817f DB |
2648 | { |
2649 | bool is_supported = true; | |
2650 | ||
2651 | switch (rmd->raid_level) { | |
2652 | case SA_RAID_0: | |
2653 | break; | |
2654 | case SA_RAID_1: | |
f6cc2a77 KB |
2655 | if (rmd->is_write && (!ctrl_info->enable_r1_writes || |
2656 | rmd->data_length > ctrl_info->max_write_raid_1_10_2drive)) | |
2657 | is_supported = false; | |
2658 | break; | |
7a012c23 | 2659 | case SA_RAID_TRIPLE: |
f6cc2a77 KB |
2660 | if (rmd->is_write && (!ctrl_info->enable_r1_writes || |
2661 | rmd->data_length > ctrl_info->max_write_raid_1_10_3drive)) | |
281a817f DB |
2662 | is_supported = false; |
2663 | break; | |
2664 | case SA_RAID_5: | |
f6cc2a77 KB |
2665 | if (rmd->is_write && (!ctrl_info->enable_r5_writes || |
2666 | rmd->data_length > ctrl_info->max_write_raid_5_6)) | |
6702d2c4 DB |
2667 | is_supported = false; |
2668 | break; | |
281a817f | 2669 | case SA_RAID_6: |
f6cc2a77 KB |
2670 | if (rmd->is_write && (!ctrl_info->enable_r6_writes || |
2671 | rmd->data_length > ctrl_info->max_write_raid_5_6)) | |
281a817f DB |
2672 | is_supported = false; |
2673 | break; | |
281a817f DB |
2674 | default: |
2675 | is_supported = false; | |
f6cc2a77 | 2676 | break; |
281a817f DB |
2677 | } |
2678 | ||
2679 | return is_supported; | |
2680 | } | |
2681 | ||
6c223761 KB |
2682 | #define PQI_RAID_BYPASS_INELIGIBLE 1 |
2683 | ||
281a817f | 2684 | static int pqi_get_aio_lba_and_block_count(struct scsi_cmnd *scmd, |
583891c9 | 2685 | struct pqi_scsi_dev_raid_map_data *rmd) |
6c223761 | 2686 | { |
6c223761 KB |
2687 | /* Check for valid opcode, get LBA and block count. */ |
2688 | switch (scmd->cmnd[0]) { | |
2689 | case WRITE_6: | |
281a817f | 2690 | rmd->is_write = true; |
df561f66 | 2691 | fallthrough; |
6c223761 | 2692 | case READ_6: |
281a817f | 2693 | rmd->first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) | |
e018ef57 | 2694 | (scmd->cmnd[2] << 8) | scmd->cmnd[3]); |
281a817f DB |
2695 | rmd->block_cnt = (u32)scmd->cmnd[4]; |
2696 | if (rmd->block_cnt == 0) | |
2697 | rmd->block_cnt = 256; | |
6c223761 KB |
2698 | break; |
2699 | case WRITE_10: | |
281a817f | 2700 | rmd->is_write = true; |
df561f66 | 2701 | fallthrough; |
6c223761 | 2702 | case READ_10: |
281a817f DB |
2703 | rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); |
2704 | rmd->block_cnt = (u32)get_unaligned_be16(&scmd->cmnd[7]); | |
6c223761 KB |
2705 | break; |
2706 | case WRITE_12: | |
281a817f | 2707 | rmd->is_write = true; |
df561f66 | 2708 | fallthrough; |
6c223761 | 2709 | case READ_12: |
281a817f DB |
2710 | rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); |
2711 | rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[6]); | |
6c223761 KB |
2712 | break; |
2713 | case WRITE_16: | |
281a817f | 2714 | rmd->is_write = true; |
df561f66 | 2715 | fallthrough; |
6c223761 | 2716 | case READ_16: |
281a817f DB |
2717 | rmd->first_block = get_unaligned_be64(&scmd->cmnd[2]); |
2718 | rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[10]); | |
6c223761 KB |
2719 | break; |
2720 | default: | |
2721 | /* Process via normal I/O path. */ | |
2722 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2723 | } | |
2724 | ||
281a817f | 2725 | put_unaligned_le32(scsi_bufflen(scmd), &rmd->data_length); |
6c223761 | 2726 | |
281a817f DB |
2727 | return 0; |
2728 | } | |
6c223761 | 2729 | |
281a817f | 2730 | static int pci_get_aio_common_raid_map_values(struct pqi_ctrl_info *ctrl_info, |
583891c9 | 2731 | struct pqi_scsi_dev_raid_map_data *rmd, struct raid_map *raid_map) |
281a817f DB |
2732 | { |
2733 | #if BITS_PER_LONG == 32 | |
2734 | u64 tmpdiv; | |
2735 | #endif | |
2736 | ||
2737 | rmd->last_block = rmd->first_block + rmd->block_cnt - 1; | |
6c223761 KB |
2738 | |
2739 | /* Check for invalid block or wraparound. */ | |
281a817f DB |
2740 | if (rmd->last_block >= |
2741 | get_unaligned_le64(&raid_map->volume_blk_cnt) || | |
2742 | rmd->last_block < rmd->first_block) | |
6c223761 KB |
2743 | return PQI_RAID_BYPASS_INELIGIBLE; |
2744 | ||
281a817f | 2745 | rmd->data_disks_per_row = |
583891c9 | 2746 | get_unaligned_le16(&raid_map->data_disks_per_row); |
281a817f DB |
2747 | rmd->strip_size = get_unaligned_le16(&raid_map->strip_size); |
2748 | rmd->layout_map_count = get_unaligned_le16(&raid_map->layout_map_count); | |
6c223761 KB |
2749 | |
2750 | /* Calculate stripe information for the request. */ | |
281a817f | 2751 | rmd->blocks_per_row = rmd->data_disks_per_row * rmd->strip_size; |
667298ce DB |
2752 | if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ |
2753 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2754 | #if BITS_PER_LONG == 32 |
281a817f DB |
2755 | tmpdiv = rmd->first_block; |
2756 | do_div(tmpdiv, rmd->blocks_per_row); | |
2757 | rmd->first_row = tmpdiv; | |
2758 | tmpdiv = rmd->last_block; | |
2759 | do_div(tmpdiv, rmd->blocks_per_row); | |
2760 | rmd->last_row = tmpdiv; | |
2761 | rmd->first_row_offset = (u32)(rmd->first_block - (rmd->first_row * rmd->blocks_per_row)); | |
2762 | rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * rmd->blocks_per_row)); | |
2763 | tmpdiv = rmd->first_row_offset; | |
2764 | do_div(tmpdiv, rmd->strip_size); | |
2765 | rmd->first_column = tmpdiv; | |
2766 | tmpdiv = rmd->last_row_offset; | |
2767 | do_div(tmpdiv, rmd->strip_size); | |
2768 | rmd->last_column = tmpdiv; | |
6c223761 | 2769 | #else |
281a817f DB |
2770 | rmd->first_row = rmd->first_block / rmd->blocks_per_row; |
2771 | rmd->last_row = rmd->last_block / rmd->blocks_per_row; | |
2772 | rmd->first_row_offset = (u32)(rmd->first_block - | |
583891c9 | 2773 | (rmd->first_row * rmd->blocks_per_row)); |
281a817f | 2774 | rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * |
583891c9 | 2775 | rmd->blocks_per_row)); |
281a817f DB |
2776 | rmd->first_column = rmd->first_row_offset / rmd->strip_size; |
2777 | rmd->last_column = rmd->last_row_offset / rmd->strip_size; | |
6c223761 KB |
2778 | #endif |
2779 | ||
2780 | /* If this isn't a single row/column then give to the controller. */ | |
281a817f | 2781 | if (rmd->first_row != rmd->last_row || |
583891c9 | 2782 | rmd->first_column != rmd->last_column) |
6c223761 KB |
2783 | return PQI_RAID_BYPASS_INELIGIBLE; |
2784 | ||
2785 | /* Proceeding with driver mapping. */ | |
281a817f | 2786 | rmd->total_disks_per_row = rmd->data_disks_per_row + |
6c223761 | 2787 | get_unaligned_le16(&raid_map->metadata_disks_per_row); |
281a817f DB |
2788 | rmd->map_row = ((u32)(rmd->first_row >> |
2789 | raid_map->parity_rotation_shift)) % | |
6c223761 | 2790 | get_unaligned_le16(&raid_map->row_cnt); |
281a817f | 2791 | rmd->map_index = (rmd->map_row * rmd->total_disks_per_row) + |
583891c9 | 2792 | rmd->first_column; |
6c223761 | 2793 | |
281a817f DB |
2794 | return 0; |
2795 | } | |
6c223761 | 2796 | |
281a817f | 2797 | static int pqi_calc_aio_r5_or_r6(struct pqi_scsi_dev_raid_map_data *rmd, |
583891c9 | 2798 | struct raid_map *raid_map) |
281a817f | 2799 | { |
6c223761 | 2800 | #if BITS_PER_LONG == 32 |
281a817f | 2801 | u64 tmpdiv; |
6c223761 | 2802 | #endif |
6c223761 | 2803 | |
667298ce DB |
2804 | if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ |
2805 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2806 | ||
281a817f | 2807 | /* RAID 50/60 */ |
583891c9 | 2808 | /* Verify first and last block are in same RAID group. */ |
281a817f | 2809 | rmd->stripesize = rmd->blocks_per_row * rmd->layout_map_count; |
6c223761 | 2810 | #if BITS_PER_LONG == 32 |
281a817f DB |
2811 | tmpdiv = rmd->first_block; |
2812 | rmd->first_group = do_div(tmpdiv, rmd->stripesize); | |
2813 | tmpdiv = rmd->first_group; | |
2814 | do_div(tmpdiv, rmd->blocks_per_row); | |
2815 | rmd->first_group = tmpdiv; | |
2816 | tmpdiv = rmd->last_block; | |
2817 | rmd->last_group = do_div(tmpdiv, rmd->stripesize); | |
2818 | tmpdiv = rmd->last_group; | |
2819 | do_div(tmpdiv, rmd->blocks_per_row); | |
2820 | rmd->last_group = tmpdiv; | |
6c223761 | 2821 | #else |
281a817f DB |
2822 | rmd->first_group = (rmd->first_block % rmd->stripesize) / rmd->blocks_per_row; |
2823 | rmd->last_group = (rmd->last_block % rmd->stripesize) / rmd->blocks_per_row; | |
6c223761 | 2824 | #endif |
281a817f DB |
2825 | if (rmd->first_group != rmd->last_group) |
2826 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2827 | |
583891c9 | 2828 | /* Verify request is in a single row of RAID 5/6. */ |
6c223761 | 2829 | #if BITS_PER_LONG == 32 |
281a817f DB |
2830 | tmpdiv = rmd->first_block; |
2831 | do_div(tmpdiv, rmd->stripesize); | |
2832 | rmd->first_row = tmpdiv; | |
2833 | rmd->r5or6_first_row = tmpdiv; | |
2834 | tmpdiv = rmd->last_block; | |
2835 | do_div(tmpdiv, rmd->stripesize); | |
2836 | rmd->r5or6_last_row = tmpdiv; | |
6c223761 | 2837 | #else |
281a817f DB |
2838 | rmd->first_row = rmd->r5or6_first_row = |
2839 | rmd->first_block / rmd->stripesize; | |
2840 | rmd->r5or6_last_row = rmd->last_block / rmd->stripesize; | |
6c223761 | 2841 | #endif |
281a817f DB |
2842 | if (rmd->r5or6_first_row != rmd->r5or6_last_row) |
2843 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2844 | |
583891c9 | 2845 | /* Verify request is in a single column. */ |
6c223761 | 2846 | #if BITS_PER_LONG == 32 |
281a817f DB |
2847 | tmpdiv = rmd->first_block; |
2848 | rmd->first_row_offset = do_div(tmpdiv, rmd->stripesize); | |
2849 | tmpdiv = rmd->first_row_offset; | |
2850 | rmd->first_row_offset = (u32)do_div(tmpdiv, rmd->blocks_per_row); | |
2851 | rmd->r5or6_first_row_offset = rmd->first_row_offset; | |
2852 | tmpdiv = rmd->last_block; | |
2853 | rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->stripesize); | |
2854 | tmpdiv = rmd->r5or6_last_row_offset; | |
2855 | rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->blocks_per_row); | |
2856 | tmpdiv = rmd->r5or6_first_row_offset; | |
2857 | do_div(tmpdiv, rmd->strip_size); | |
2858 | rmd->first_column = rmd->r5or6_first_column = tmpdiv; | |
2859 | tmpdiv = rmd->r5or6_last_row_offset; | |
2860 | do_div(tmpdiv, rmd->strip_size); | |
2861 | rmd->r5or6_last_column = tmpdiv; | |
6c223761 | 2862 | #else |
281a817f | 2863 | rmd->first_row_offset = rmd->r5or6_first_row_offset = |
583891c9 KB |
2864 | (u32)((rmd->first_block % rmd->stripesize) % |
2865 | rmd->blocks_per_row); | |
281a817f DB |
2866 | |
2867 | rmd->r5or6_last_row_offset = | |
2868 | (u32)((rmd->last_block % rmd->stripesize) % | |
2869 | rmd->blocks_per_row); | |
2870 | ||
2871 | rmd->first_column = | |
583891c9 | 2872 | rmd->r5or6_first_row_offset / rmd->strip_size; |
281a817f DB |
2873 | rmd->r5or6_first_column = rmd->first_column; |
2874 | rmd->r5or6_last_column = rmd->r5or6_last_row_offset / rmd->strip_size; | |
2875 | #endif | |
2876 | if (rmd->r5or6_first_column != rmd->r5or6_last_column) | |
2877 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2878 | ||
583891c9 | 2879 | /* Request is eligible. */ |
281a817f DB |
2880 | rmd->map_row = |
2881 | ((u32)(rmd->first_row >> raid_map->parity_rotation_shift)) % | |
2882 | get_unaligned_le16(&raid_map->row_cnt); | |
6c223761 | 2883 | |
281a817f DB |
2884 | rmd->map_index = (rmd->first_group * |
2885 | (get_unaligned_le16(&raid_map->row_cnt) * | |
2886 | rmd->total_disks_per_row)) + | |
2887 | (rmd->map_row * rmd->total_disks_per_row) + rmd->first_column; | |
6c223761 | 2888 | |
6702d2c4 DB |
2889 | if (rmd->is_write) { |
2890 | u32 index; | |
6c223761 | 2891 | |
6702d2c4 DB |
2892 | /* |
2893 | * p_parity_it_nexus and q_parity_it_nexus are pointers to the | |
2894 | * parity entries inside the device's raid_map. | |
2895 | * | |
2896 | * A device's RAID map is bounded by: number of RAID disks squared. | |
2897 | * | |
2898 | * The devices RAID map size is checked during device | |
2899 | * initialization. | |
2900 | */ | |
2901 | index = DIV_ROUND_UP(rmd->map_index + 1, rmd->total_disks_per_row); | |
2902 | index *= rmd->total_disks_per_row; | |
2903 | index -= get_unaligned_le16(&raid_map->metadata_disks_per_row); | |
2904 | ||
2905 | rmd->p_parity_it_nexus = raid_map->disk_data[index].aio_handle; | |
2906 | if (rmd->raid_level == SA_RAID_6) { | |
2907 | rmd->q_parity_it_nexus = raid_map->disk_data[index + 1].aio_handle; | |
2908 | rmd->xor_mult = raid_map->disk_data[rmd->map_index].xor_mult[1]; | |
2909 | } | |
6702d2c4 DB |
2910 | #if BITS_PER_LONG == 32 |
2911 | tmpdiv = rmd->first_block; | |
2912 | do_div(tmpdiv, rmd->blocks_per_row); | |
2913 | rmd->row = tmpdiv; | |
2914 | #else | |
2915 | rmd->row = rmd->first_block / rmd->blocks_per_row; | |
6c223761 | 2916 | #endif |
6702d2c4 DB |
2917 | } |
2918 | ||
281a817f DB |
2919 | return 0; |
2920 | } | |
2921 | ||
2922 | static void pqi_set_aio_cdb(struct pqi_scsi_dev_raid_map_data *rmd) | |
2923 | { | |
2924 | /* Build the new CDB for the physical disk I/O. */ | |
2925 | if (rmd->disk_block > 0xffffffff) { | |
2926 | rmd->cdb[0] = rmd->is_write ? WRITE_16 : READ_16; | |
2927 | rmd->cdb[1] = 0; | |
2928 | put_unaligned_be64(rmd->disk_block, &rmd->cdb[2]); | |
2929 | put_unaligned_be32(rmd->disk_block_cnt, &rmd->cdb[10]); | |
2930 | rmd->cdb[14] = 0; | |
2931 | rmd->cdb[15] = 0; | |
2932 | rmd->cdb_length = 16; | |
2933 | } else { | |
2934 | rmd->cdb[0] = rmd->is_write ? WRITE_10 : READ_10; | |
2935 | rmd->cdb[1] = 0; | |
2936 | put_unaligned_be32((u32)rmd->disk_block, &rmd->cdb[2]); | |
2937 | rmd->cdb[6] = 0; | |
2938 | put_unaligned_be16((u16)rmd->disk_block_cnt, &rmd->cdb[7]); | |
2939 | rmd->cdb[9] = 0; | |
2940 | rmd->cdb_length = 10; | |
2941 | } | |
2942 | } | |
2943 | ||
7a012c23 | 2944 | static void pqi_calc_aio_r1_nexus(struct raid_map *raid_map, |
583891c9 | 2945 | struct pqi_scsi_dev_raid_map_data *rmd) |
7a012c23 DB |
2946 | { |
2947 | u32 index; | |
2948 | u32 group; | |
2949 | ||
2950 | group = rmd->map_index / rmd->data_disks_per_row; | |
2951 | ||
2952 | index = rmd->map_index - (group * rmd->data_disks_per_row); | |
2953 | rmd->it_nexus[0] = raid_map->disk_data[index].aio_handle; | |
2954 | index += rmd->data_disks_per_row; | |
2955 | rmd->it_nexus[1] = raid_map->disk_data[index].aio_handle; | |
2956 | if (rmd->layout_map_count > 2) { | |
2957 | index += rmd->data_disks_per_row; | |
2958 | rmd->it_nexus[2] = raid_map->disk_data[index].aio_handle; | |
2959 | } | |
2960 | ||
2961 | rmd->num_it_nexus_entries = rmd->layout_map_count; | |
2962 | } | |
2963 | ||
281a817f DB |
2964 | static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
2965 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
2966 | struct pqi_queue_group *queue_group) | |
2967 | { | |
281a817f | 2968 | int rc; |
7a012c23 DB |
2969 | struct raid_map *raid_map; |
2970 | u32 group; | |
2971 | u32 next_bypass_group; | |
281a817f DB |
2972 | struct pqi_encryption_info *encryption_info_ptr; |
2973 | struct pqi_encryption_info encryption_info; | |
583891c9 | 2974 | struct pqi_scsi_dev_raid_map_data rmd = { 0 }; |
281a817f DB |
2975 | |
2976 | rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); | |
2977 | if (rc) | |
2978 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2979 | ||
2980 | rmd.raid_level = device->raid_level; | |
6c223761 | 2981 | |
6702d2c4 | 2982 | if (!pqi_aio_raid_level_supported(ctrl_info, &rmd)) |
281a817f DB |
2983 | return PQI_RAID_BYPASS_INELIGIBLE; |
2984 | ||
2985 | if (unlikely(rmd.block_cnt == 0)) | |
2986 | return PQI_RAID_BYPASS_INELIGIBLE; | |
2987 | ||
2988 | raid_map = device->raid_map; | |
6c223761 | 2989 | |
281a817f DB |
2990 | rc = pci_get_aio_common_raid_map_values(ctrl_info, &rmd, raid_map); |
2991 | if (rc) | |
2992 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 | 2993 | |
7a012c23 DB |
2994 | if (device->raid_level == SA_RAID_1 || |
2995 | device->raid_level == SA_RAID_TRIPLE) { | |
2996 | if (rmd.is_write) { | |
2997 | pqi_calc_aio_r1_nexus(raid_map, &rmd); | |
2998 | } else { | |
5d8fbce0 | 2999 | group = device->next_bypass_group[rmd.map_index]; |
7a012c23 DB |
3000 | next_bypass_group = group + 1; |
3001 | if (next_bypass_group >= rmd.layout_map_count) | |
3002 | next_bypass_group = 0; | |
5d8fbce0 | 3003 | device->next_bypass_group[rmd.map_index] = next_bypass_group; |
7a012c23 DB |
3004 | rmd.map_index += group * rmd.data_disks_per_row; |
3005 | } | |
281a817f | 3006 | } else if ((device->raid_level == SA_RAID_5 || |
6702d2c4 DB |
3007 | device->raid_level == SA_RAID_6) && |
3008 | (rmd.layout_map_count > 1 || rmd.is_write)) { | |
281a817f DB |
3009 | rc = pqi_calc_aio_r5_or_r6(&rmd, raid_map); |
3010 | if (rc) | |
3011 | return PQI_RAID_BYPASS_INELIGIBLE; | |
6c223761 KB |
3012 | } |
3013 | ||
281a817f DB |
3014 | if (unlikely(rmd.map_index >= RAID_MAP_MAX_ENTRIES)) |
3015 | return PQI_RAID_BYPASS_INELIGIBLE; | |
3016 | ||
3017 | rmd.aio_handle = raid_map->disk_data[rmd.map_index].aio_handle; | |
3018 | rmd.disk_block = get_unaligned_le64(&raid_map->disk_starting_blk) + | |
3019 | rmd.first_row * rmd.strip_size + | |
3020 | (rmd.first_row_offset - rmd.first_column * rmd.strip_size); | |
3021 | rmd.disk_block_cnt = rmd.block_cnt; | |
6c223761 KB |
3022 | |
3023 | /* Handle differing logical/physical block sizes. */ | |
3024 | if (raid_map->phys_blk_shift) { | |
281a817f DB |
3025 | rmd.disk_block <<= raid_map->phys_blk_shift; |
3026 | rmd.disk_block_cnt <<= raid_map->phys_blk_shift; | |
6c223761 KB |
3027 | } |
3028 | ||
281a817f | 3029 | if (unlikely(rmd.disk_block_cnt > 0xffff)) |
6c223761 KB |
3030 | return PQI_RAID_BYPASS_INELIGIBLE; |
3031 | ||
281a817f | 3032 | pqi_set_aio_cdb(&rmd); |
6c223761 | 3033 | |
583891c9 | 3034 | if (get_unaligned_le16(&raid_map->flags) & RAID_MAP_ENCRYPTION_ENABLED) { |
f6cc2a77 KB |
3035 | if (rmd.data_length > device->max_transfer_encrypted) |
3036 | return PQI_RAID_BYPASS_INELIGIBLE; | |
583891c9 | 3037 | pqi_set_encryption_info(&encryption_info, raid_map, rmd.first_block); |
6c223761 KB |
3038 | encryption_info_ptr = &encryption_info; |
3039 | } else { | |
3040 | encryption_info_ptr = NULL; | |
3041 | } | |
3042 | ||
6702d2c4 DB |
3043 | if (rmd.is_write) { |
3044 | switch (device->raid_level) { | |
7a012c23 DB |
3045 | case SA_RAID_1: |
3046 | case SA_RAID_TRIPLE: | |
3047 | return pqi_aio_submit_r1_write_io(ctrl_info, scmd, queue_group, | |
3048 | encryption_info_ptr, device, &rmd); | |
6702d2c4 DB |
3049 | case SA_RAID_5: |
3050 | case SA_RAID_6: | |
3051 | return pqi_aio_submit_r56_write_io(ctrl_info, scmd, queue_group, | |
583891c9 | 3052 | encryption_info_ptr, device, &rmd); |
6702d2c4 | 3053 | } |
6702d2c4 DB |
3054 | } |
3055 | ||
f6cc2a77 KB |
3056 | return pqi_aio_submit_io(ctrl_info, scmd, rmd.aio_handle, |
3057 | rmd.cdb, rmd.cdb_length, queue_group, | |
2a47834d | 3058 | encryption_info_ptr, true, false); |
6c223761 KB |
3059 | } |
3060 | ||
3061 | #define PQI_STATUS_IDLE 0x0 | |
3062 | ||
3063 | #define PQI_CREATE_ADMIN_QUEUE_PAIR 1 | |
3064 | #define PQI_DELETE_ADMIN_QUEUE_PAIR 2 | |
3065 | ||
3066 | #define PQI_DEVICE_STATE_POWER_ON_AND_RESET 0x0 | |
3067 | #define PQI_DEVICE_STATE_STATUS_AVAILABLE 0x1 | |
3068 | #define PQI_DEVICE_STATE_ALL_REGISTERS_READY 0x2 | |
3069 | #define PQI_DEVICE_STATE_ADMIN_QUEUE_PAIR_READY 0x3 | |
3070 | #define PQI_DEVICE_STATE_ERROR 0x4 | |
3071 | ||
3072 | #define PQI_MODE_READY_TIMEOUT_SECS 30 | |
3073 | #define PQI_MODE_READY_POLL_INTERVAL_MSECS 1 | |
3074 | ||
3075 | static int pqi_wait_for_pqi_mode_ready(struct pqi_ctrl_info *ctrl_info) | |
3076 | { | |
3077 | struct pqi_device_registers __iomem *pqi_registers; | |
3078 | unsigned long timeout; | |
3079 | u64 signature; | |
3080 | u8 status; | |
3081 | ||
3082 | pqi_registers = ctrl_info->pqi_registers; | |
42dc0426 | 3083 | timeout = (PQI_MODE_READY_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 KB |
3084 | |
3085 | while (1) { | |
3086 | signature = readq(&pqi_registers->signature); | |
3087 | if (memcmp(&signature, PQI_DEVICE_SIGNATURE, | |
3088 | sizeof(signature)) == 0) | |
3089 | break; | |
3090 | if (time_after(jiffies, timeout)) { | |
3091 | dev_err(&ctrl_info->pci_dev->dev, | |
3092 | "timed out waiting for PQI signature\n"); | |
3093 | return -ETIMEDOUT; | |
3094 | } | |
3095 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3096 | } | |
3097 | ||
3098 | while (1) { | |
3099 | status = readb(&pqi_registers->function_and_status_code); | |
3100 | if (status == PQI_STATUS_IDLE) | |
3101 | break; | |
3102 | if (time_after(jiffies, timeout)) { | |
3103 | dev_err(&ctrl_info->pci_dev->dev, | |
3104 | "timed out waiting for PQI IDLE\n"); | |
3105 | return -ETIMEDOUT; | |
3106 | } | |
3107 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3108 | } | |
3109 | ||
3110 | while (1) { | |
3111 | if (readl(&pqi_registers->device_status) == | |
3112 | PQI_DEVICE_STATE_ALL_REGISTERS_READY) | |
3113 | break; | |
3114 | if (time_after(jiffies, timeout)) { | |
3115 | dev_err(&ctrl_info->pci_dev->dev, | |
3116 | "timed out waiting for PQI all registers ready\n"); | |
3117 | return -ETIMEDOUT; | |
3118 | } | |
3119 | msleep(PQI_MODE_READY_POLL_INTERVAL_MSECS); | |
3120 | } | |
3121 | ||
3122 | return 0; | |
3123 | } | |
3124 | ||
3125 | static inline void pqi_aio_path_disabled(struct pqi_io_request *io_request) | |
3126 | { | |
3127 | struct pqi_scsi_dev *device; | |
3128 | ||
3129 | device = io_request->scmd->device->hostdata; | |
588a63fe | 3130 | device->raid_bypass_enabled = false; |
376fb880 | 3131 | device->aio_enabled = false; |
6c223761 KB |
3132 | } |
3133 | ||
d87d5474 | 3134 | static inline void pqi_take_device_offline(struct scsi_device *sdev, char *path) |
6c223761 KB |
3135 | { |
3136 | struct pqi_ctrl_info *ctrl_info; | |
e58081a7 | 3137 | struct pqi_scsi_dev *device; |
6c223761 | 3138 | |
03b288cf KB |
3139 | device = sdev->hostdata; |
3140 | if (device->device_offline) | |
3141 | return; | |
3142 | ||
3143 | device->device_offline = true; | |
03b288cf KB |
3144 | ctrl_info = shost_to_hba(sdev->host); |
3145 | pqi_schedule_rescan_worker(ctrl_info); | |
a9a68101 | 3146 | dev_err(&ctrl_info->pci_dev->dev, "re-scanning %s scsi %d:%d:%d:%d\n", |
03b288cf KB |
3147 | path, ctrl_info->scsi_host->host_no, device->bus, |
3148 | device->target, device->lun); | |
6c223761 KB |
3149 | } |
3150 | ||
3151 | static void pqi_process_raid_io_error(struct pqi_io_request *io_request) | |
3152 | { | |
3153 | u8 scsi_status; | |
3154 | u8 host_byte; | |
3155 | struct scsi_cmnd *scmd; | |
3156 | struct pqi_raid_error_info *error_info; | |
3157 | size_t sense_data_length; | |
3158 | int residual_count; | |
3159 | int xfer_count; | |
3160 | struct scsi_sense_hdr sshdr; | |
3161 | ||
3162 | scmd = io_request->scmd; | |
3163 | if (!scmd) | |
3164 | return; | |
3165 | ||
3166 | error_info = io_request->error_info; | |
3167 | scsi_status = error_info->status; | |
3168 | host_byte = DID_OK; | |
3169 | ||
f5b63206 KB |
3170 | switch (error_info->data_out_result) { |
3171 | case PQI_DATA_IN_OUT_GOOD: | |
3172 | break; | |
3173 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
6c223761 KB |
3174 | xfer_count = |
3175 | get_unaligned_le32(&error_info->data_out_transferred); | |
3176 | residual_count = scsi_bufflen(scmd) - xfer_count; | |
3177 | scsi_set_resid(scmd, residual_count); | |
3178 | if (xfer_count < scmd->underflow) | |
3179 | host_byte = DID_SOFT_ERROR; | |
f5b63206 KB |
3180 | break; |
3181 | case PQI_DATA_IN_OUT_UNSOLICITED_ABORT: | |
3182 | case PQI_DATA_IN_OUT_ABORTED: | |
3183 | host_byte = DID_ABORT; | |
3184 | break; | |
3185 | case PQI_DATA_IN_OUT_TIMEOUT: | |
3186 | host_byte = DID_TIME_OUT; | |
3187 | break; | |
3188 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW: | |
3189 | case PQI_DATA_IN_OUT_PROTOCOL_ERROR: | |
3190 | case PQI_DATA_IN_OUT_BUFFER_ERROR: | |
3191 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA: | |
3192 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE: | |
3193 | case PQI_DATA_IN_OUT_ERROR: | |
3194 | case PQI_DATA_IN_OUT_HARDWARE_ERROR: | |
3195 | case PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR: | |
3196 | case PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT: | |
3197 | case PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED: | |
3198 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED: | |
3199 | case PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED: | |
3200 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST: | |
3201 | case PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION: | |
3202 | case PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED: | |
3203 | case PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ: | |
3204 | default: | |
3205 | host_byte = DID_ERROR; | |
3206 | break; | |
6c223761 KB |
3207 | } |
3208 | ||
3209 | sense_data_length = get_unaligned_le16(&error_info->sense_data_length); | |
3210 | if (sense_data_length == 0) | |
3211 | sense_data_length = | |
3212 | get_unaligned_le16(&error_info->response_data_length); | |
3213 | if (sense_data_length) { | |
3214 | if (sense_data_length > sizeof(error_info->data)) | |
3215 | sense_data_length = sizeof(error_info->data); | |
3216 | ||
3217 | if (scsi_status == SAM_STAT_CHECK_CONDITION && | |
3218 | scsi_normalize_sense(error_info->data, | |
3219 | sense_data_length, &sshdr) && | |
3220 | sshdr.sense_key == HARDWARE_ERROR && | |
8ef860ae | 3221 | sshdr.asc == 0x3e) { |
441b7195 EV |
3222 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(scmd->device->host); |
3223 | struct pqi_scsi_dev *device = scmd->device->hostdata; | |
3224 | ||
8ef860ae EV |
3225 | switch (sshdr.ascq) { |
3226 | case 0x1: /* LOGICAL UNIT FAILURE */ | |
3227 | if (printk_ratelimit()) | |
3228 | scmd_printk(KERN_ERR, scmd, "received 'logical unit failure' from controller for scsi %d:%d:%d:%d\n", | |
3229 | ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); | |
3230 | pqi_take_device_offline(scmd->device, "RAID"); | |
3231 | host_byte = DID_NO_CONNECT; | |
3232 | break; | |
3233 | ||
3234 | default: /* See http://www.t10.org/lists/asc-num.htm#ASC_3E */ | |
3235 | if (printk_ratelimit()) | |
3236 | scmd_printk(KERN_ERR, scmd, "received unhandled error %d from controller for scsi %d:%d:%d:%d\n", | |
3237 | sshdr.ascq, ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); | |
3238 | break; | |
3239 | } | |
6c223761 KB |
3240 | } |
3241 | ||
3242 | if (sense_data_length > SCSI_SENSE_BUFFERSIZE) | |
3243 | sense_data_length = SCSI_SENSE_BUFFERSIZE; | |
3244 | memcpy(scmd->sense_buffer, error_info->data, | |
3245 | sense_data_length); | |
3246 | } | |
3247 | ||
3248 | scmd->result = scsi_status; | |
3249 | set_host_byte(scmd, host_byte); | |
3250 | } | |
3251 | ||
3252 | static void pqi_process_aio_io_error(struct pqi_io_request *io_request) | |
3253 | { | |
3254 | u8 scsi_status; | |
3255 | u8 host_byte; | |
3256 | struct scsi_cmnd *scmd; | |
3257 | struct pqi_aio_error_info *error_info; | |
3258 | size_t sense_data_length; | |
3259 | int residual_count; | |
3260 | int xfer_count; | |
3261 | bool device_offline; | |
94a68c81 | 3262 | struct pqi_scsi_dev *device; |
6c223761 KB |
3263 | |
3264 | scmd = io_request->scmd; | |
3265 | error_info = io_request->error_info; | |
3266 | host_byte = DID_OK; | |
3267 | sense_data_length = 0; | |
3268 | device_offline = false; | |
94a68c81 | 3269 | device = scmd->device->hostdata; |
6c223761 KB |
3270 | |
3271 | switch (error_info->service_response) { | |
3272 | case PQI_AIO_SERV_RESPONSE_COMPLETE: | |
3273 | scsi_status = error_info->status; | |
3274 | break; | |
3275 | case PQI_AIO_SERV_RESPONSE_FAILURE: | |
3276 | switch (error_info->status) { | |
3277 | case PQI_AIO_STATUS_IO_ABORTED: | |
3278 | scsi_status = SAM_STAT_TASK_ABORTED; | |
3279 | break; | |
3280 | case PQI_AIO_STATUS_UNDERRUN: | |
3281 | scsi_status = SAM_STAT_GOOD; | |
3282 | residual_count = get_unaligned_le32( | |
3283 | &error_info->residual_count); | |
3284 | scsi_set_resid(scmd, residual_count); | |
3285 | xfer_count = scsi_bufflen(scmd) - residual_count; | |
3286 | if (xfer_count < scmd->underflow) | |
3287 | host_byte = DID_SOFT_ERROR; | |
3288 | break; | |
3289 | case PQI_AIO_STATUS_OVERRUN: | |
3290 | scsi_status = SAM_STAT_GOOD; | |
3291 | break; | |
3292 | case PQI_AIO_STATUS_AIO_PATH_DISABLED: | |
3293 | pqi_aio_path_disabled(io_request); | |
94a68c81 MB |
3294 | if (pqi_is_multipath_device(device)) { |
3295 | pqi_device_remove_start(device); | |
3296 | host_byte = DID_NO_CONNECT; | |
3297 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3298 | } else { | |
3299 | scsi_status = SAM_STAT_GOOD; | |
3300 | io_request->status = -EAGAIN; | |
3301 | } | |
6c223761 KB |
3302 | break; |
3303 | case PQI_AIO_STATUS_NO_PATH_TO_DEVICE: | |
3304 | case PQI_AIO_STATUS_INVALID_DEVICE: | |
376fb880 KB |
3305 | if (!io_request->raid_bypass) { |
3306 | device_offline = true; | |
3307 | pqi_take_device_offline(scmd->device, "AIO"); | |
3308 | host_byte = DID_NO_CONNECT; | |
3309 | } | |
6c223761 KB |
3310 | scsi_status = SAM_STAT_CHECK_CONDITION; |
3311 | break; | |
3312 | case PQI_AIO_STATUS_IO_ERROR: | |
3313 | default: | |
3314 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3315 | break; | |
3316 | } | |
3317 | break; | |
3318 | case PQI_AIO_SERV_RESPONSE_TMF_COMPLETE: | |
3319 | case PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED: | |
3320 | scsi_status = SAM_STAT_GOOD; | |
3321 | break; | |
3322 | case PQI_AIO_SERV_RESPONSE_TMF_REJECTED: | |
3323 | case PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN: | |
3324 | default: | |
3325 | scsi_status = SAM_STAT_CHECK_CONDITION; | |
3326 | break; | |
3327 | } | |
3328 | ||
3329 | if (error_info->data_present) { | |
3330 | sense_data_length = | |
3331 | get_unaligned_le16(&error_info->data_length); | |
3332 | if (sense_data_length) { | |
3333 | if (sense_data_length > sizeof(error_info->data)) | |
3334 | sense_data_length = sizeof(error_info->data); | |
3335 | if (sense_data_length > SCSI_SENSE_BUFFERSIZE) | |
3336 | sense_data_length = SCSI_SENSE_BUFFERSIZE; | |
3337 | memcpy(scmd->sense_buffer, error_info->data, | |
3338 | sense_data_length); | |
3339 | } | |
3340 | } | |
3341 | ||
3342 | if (device_offline && sense_data_length == 0) | |
f2b1e9c6 | 3343 | scsi_build_sense(scmd, 0, HARDWARE_ERROR, 0x3e, 0x1); |
6c223761 KB |
3344 | |
3345 | scmd->result = scsi_status; | |
3346 | set_host_byte(scmd, host_byte); | |
3347 | } | |
3348 | ||
3349 | static void pqi_process_io_error(unsigned int iu_type, | |
3350 | struct pqi_io_request *io_request) | |
3351 | { | |
3352 | switch (iu_type) { | |
3353 | case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR: | |
3354 | pqi_process_raid_io_error(io_request); | |
3355 | break; | |
3356 | case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR: | |
3357 | pqi_process_aio_io_error(io_request); | |
3358 | break; | |
3359 | } | |
3360 | } | |
3361 | ||
18ff5f08 | 3362 | static int pqi_interpret_task_management_response(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
3363 | struct pqi_task_management_response *response) |
3364 | { | |
3365 | int rc; | |
3366 | ||
3367 | switch (response->response_code) { | |
b17f0486 KB |
3368 | case SOP_TMF_COMPLETE: |
3369 | case SOP_TMF_FUNCTION_SUCCEEDED: | |
6c223761 KB |
3370 | rc = 0; |
3371 | break; | |
3406384b MR |
3372 | case SOP_TMF_REJECTED: |
3373 | rc = -EAGAIN; | |
3374 | break; | |
43cf3a6e | 3375 | case SOP_TMF_INCORRECT_LOGICAL_UNIT: |
4e7d2602 MM |
3376 | rc = -ENODEV; |
3377 | break; | |
6c223761 KB |
3378 | default: |
3379 | rc = -EIO; | |
3380 | break; | |
3381 | } | |
3382 | ||
18ff5f08 KB |
3383 | if (rc) |
3384 | dev_err(&ctrl_info->pci_dev->dev, | |
3385 | "Task Management Function error: %d (response code: %u)\n", rc, response->response_code); | |
3386 | ||
6c223761 KB |
3387 | return rc; |
3388 | } | |
3389 | ||
5d1f03e6 MB |
3390 | static inline void pqi_invalid_response(struct pqi_ctrl_info *ctrl_info, |
3391 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) | |
6c223761 | 3392 | { |
5d1f03e6 | 3393 | pqi_take_ctrl_offline(ctrl_info, ctrl_shutdown_reason); |
9e68cccc KB |
3394 | } |
3395 | ||
3396 | static int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, struct pqi_queue_group *queue_group) | |
6c223761 | 3397 | { |
9e68cccc | 3398 | int num_responses; |
6c223761 KB |
3399 | pqi_index_t oq_pi; |
3400 | pqi_index_t oq_ci; | |
3401 | struct pqi_io_request *io_request; | |
3402 | struct pqi_io_response *response; | |
3403 | u16 request_id; | |
3404 | ||
3405 | num_responses = 0; | |
3406 | oq_ci = queue_group->oq_ci_copy; | |
3407 | ||
3408 | while (1) { | |
dac12fbc | 3409 | oq_pi = readl(queue_group->oq_pi); |
9e68cccc | 3410 | if (oq_pi >= ctrl_info->num_elements_per_oq) { |
5d1f03e6 | 3411 | pqi_invalid_response(ctrl_info, PQI_IO_PI_OUT_OF_RANGE); |
9e68cccc KB |
3412 | dev_err(&ctrl_info->pci_dev->dev, |
3413 | "I/O interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", | |
3414 | oq_pi, ctrl_info->num_elements_per_oq - 1, oq_ci); | |
3415 | return -1; | |
3416 | } | |
6c223761 KB |
3417 | if (oq_pi == oq_ci) |
3418 | break; | |
3419 | ||
3420 | num_responses++; | |
3421 | response = queue_group->oq_element_array + | |
3422 | (oq_ci * PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); | |
3423 | ||
3424 | request_id = get_unaligned_le16(&response->request_id); | |
9e68cccc | 3425 | if (request_id >= ctrl_info->max_io_slots) { |
5d1f03e6 | 3426 | pqi_invalid_response(ctrl_info, PQI_INVALID_REQ_ID); |
9e68cccc KB |
3427 | dev_err(&ctrl_info->pci_dev->dev, |
3428 | "request ID in response (%u) out of range (0-%u): producer index: %u consumer index: %u\n", | |
3429 | request_id, ctrl_info->max_io_slots - 1, oq_pi, oq_ci); | |
3430 | return -1; | |
3431 | } | |
6c223761 KB |
3432 | |
3433 | io_request = &ctrl_info->io_request_pool[request_id]; | |
9e68cccc | 3434 | if (atomic_read(&io_request->refcount) == 0) { |
5d1f03e6 | 3435 | pqi_invalid_response(ctrl_info, PQI_UNMATCHED_REQ_ID); |
9e68cccc KB |
3436 | dev_err(&ctrl_info->pci_dev->dev, |
3437 | "request ID in response (%u) does not match an outstanding I/O request: producer index: %u consumer index: %u\n", | |
3438 | request_id, oq_pi, oq_ci); | |
3439 | return -1; | |
3440 | } | |
6c223761 KB |
3441 | |
3442 | switch (response->header.iu_type) { | |
3443 | case PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS: | |
3444 | case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS: | |
2ba55c98 KB |
3445 | if (io_request->scmd) |
3446 | io_request->scmd->result = 0; | |
df561f66 | 3447 | fallthrough; |
6c223761 KB |
3448 | case PQI_RESPONSE_IU_GENERAL_MANAGEMENT: |
3449 | break; | |
b212c251 KB |
3450 | case PQI_RESPONSE_IU_VENDOR_GENERAL: |
3451 | io_request->status = | |
3452 | get_unaligned_le16( | |
583891c9 | 3453 | &((struct pqi_vendor_general_response *)response)->status); |
b212c251 | 3454 | break; |
6c223761 | 3455 | case PQI_RESPONSE_IU_TASK_MANAGEMENT: |
18ff5f08 KB |
3456 | io_request->status = pqi_interpret_task_management_response(ctrl_info, |
3457 | (void *)response); | |
6c223761 KB |
3458 | break; |
3459 | case PQI_RESPONSE_IU_AIO_PATH_DISABLED: | |
3460 | pqi_aio_path_disabled(io_request); | |
3461 | io_request->status = -EAGAIN; | |
3462 | break; | |
3463 | case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR: | |
3464 | case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR: | |
3465 | io_request->error_info = ctrl_info->error_buffer + | |
3466 | (get_unaligned_le16(&response->error_index) * | |
3467 | PQI_ERROR_BUFFER_ELEMENT_LENGTH); | |
9e68cccc | 3468 | pqi_process_io_error(response->header.iu_type, io_request); |
6c223761 KB |
3469 | break; |
3470 | default: | |
5d1f03e6 | 3471 | pqi_invalid_response(ctrl_info, PQI_UNEXPECTED_IU_TYPE); |
6c223761 | 3472 | dev_err(&ctrl_info->pci_dev->dev, |
9e68cccc KB |
3473 | "unexpected IU type: 0x%x: producer index: %u consumer index: %u\n", |
3474 | response->header.iu_type, oq_pi, oq_ci); | |
3475 | return -1; | |
6c223761 KB |
3476 | } |
3477 | ||
9e68cccc | 3478 | io_request->io_complete_callback(io_request, io_request->context); |
6c223761 KB |
3479 | |
3480 | /* | |
3481 | * Note that the I/O request structure CANNOT BE TOUCHED after | |
3482 | * returning from the I/O completion callback! | |
3483 | */ | |
6c223761 KB |
3484 | oq_ci = (oq_ci + 1) % ctrl_info->num_elements_per_oq; |
3485 | } | |
3486 | ||
3487 | if (num_responses) { | |
3488 | queue_group->oq_ci_copy = oq_ci; | |
3489 | writel(oq_ci, queue_group->oq_ci); | |
3490 | } | |
3491 | ||
3492 | return num_responses; | |
3493 | } | |
3494 | ||
3495 | static inline unsigned int pqi_num_elements_free(unsigned int pi, | |
df7a1fcf | 3496 | unsigned int ci, unsigned int elements_in_queue) |
6c223761 KB |
3497 | { |
3498 | unsigned int num_elements_used; | |
3499 | ||
3500 | if (pi >= ci) | |
3501 | num_elements_used = pi - ci; | |
3502 | else | |
3503 | num_elements_used = elements_in_queue - ci + pi; | |
3504 | ||
3505 | return elements_in_queue - num_elements_used - 1; | |
3506 | } | |
3507 | ||
98f87667 | 3508 | static void pqi_send_event_ack(struct pqi_ctrl_info *ctrl_info, |
6c223761 KB |
3509 | struct pqi_event_acknowledge_request *iu, size_t iu_length) |
3510 | { | |
3511 | pqi_index_t iq_pi; | |
3512 | pqi_index_t iq_ci; | |
3513 | unsigned long flags; | |
3514 | void *next_element; | |
6c223761 KB |
3515 | struct pqi_queue_group *queue_group; |
3516 | ||
3517 | queue_group = &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP]; | |
3518 | put_unaligned_le16(queue_group->oq_id, &iu->header.response_queue_id); | |
3519 | ||
6c223761 KB |
3520 | while (1) { |
3521 | spin_lock_irqsave(&queue_group->submit_lock[RAID_PATH], flags); | |
3522 | ||
3523 | iq_pi = queue_group->iq_pi_copy[RAID_PATH]; | |
dac12fbc | 3524 | iq_ci = readl(queue_group->iq_ci[RAID_PATH]); |
6c223761 KB |
3525 | |
3526 | if (pqi_num_elements_free(iq_pi, iq_ci, | |
3527 | ctrl_info->num_elements_per_iq)) | |
3528 | break; | |
3529 | ||
3530 | spin_unlock_irqrestore( | |
3531 | &queue_group->submit_lock[RAID_PATH], flags); | |
3532 | ||
98f87667 | 3533 | if (pqi_ctrl_offline(ctrl_info)) |
6c223761 | 3534 | return; |
6c223761 KB |
3535 | } |
3536 | ||
3537 | next_element = queue_group->iq_element_array[RAID_PATH] + | |
3538 | (iq_pi * PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
3539 | ||
3540 | memcpy(next_element, iu, iu_length); | |
3541 | ||
3542 | iq_pi = (iq_pi + 1) % ctrl_info->num_elements_per_iq; | |
6c223761 KB |
3543 | queue_group->iq_pi_copy[RAID_PATH] = iq_pi; |
3544 | ||
3545 | /* | |
3546 | * This write notifies the controller that an IU is available to be | |
3547 | * processed. | |
3548 | */ | |
3549 | writel(iq_pi, queue_group->iq_pi[RAID_PATH]); | |
3550 | ||
3551 | spin_unlock_irqrestore(&queue_group->submit_lock[RAID_PATH], flags); | |
6c223761 KB |
3552 | } |
3553 | ||
3554 | static void pqi_acknowledge_event(struct pqi_ctrl_info *ctrl_info, | |
3555 | struct pqi_event *event) | |
3556 | { | |
3557 | struct pqi_event_acknowledge_request request; | |
3558 | ||
3559 | memset(&request, 0, sizeof(request)); | |
3560 | ||
3561 | request.header.iu_type = PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT; | |
3562 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
3563 | &request.header.iu_length); | |
3564 | request.event_type = event->event_type; | |
06b41e0d KB |
3565 | put_unaligned_le16(event->event_id, &request.event_id); |
3566 | put_unaligned_le32(event->additional_event_id, &request.additional_event_id); | |
6c223761 | 3567 | |
98f87667 | 3568 | pqi_send_event_ack(ctrl_info, &request, sizeof(request)); |
6c223761 KB |
3569 | } |
3570 | ||
4fd22c13 MR |
3571 | #define PQI_SOFT_RESET_STATUS_TIMEOUT_SECS 30 |
3572 | #define PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS 1 | |
3573 | ||
3574 | static enum pqi_soft_reset_status pqi_poll_for_soft_reset_status( | |
3575 | struct pqi_ctrl_info *ctrl_info) | |
6c223761 | 3576 | { |
4fd22c13 | 3577 | u8 status; |
583891c9 | 3578 | unsigned long timeout; |
6c223761 | 3579 | |
42dc0426 | 3580 | timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 | 3581 | |
4fd22c13 MR |
3582 | while (1) { |
3583 | status = pqi_read_soft_reset_status(ctrl_info); | |
3584 | if (status & PQI_SOFT_RESET_INITIATE) | |
3585 | return RESET_INITIATE_DRIVER; | |
3586 | ||
3587 | if (status & PQI_SOFT_RESET_ABORT) | |
3588 | return RESET_ABORT; | |
3589 | ||
4ccc354b KB |
3590 | if (!sis_is_firmware_running(ctrl_info)) |
3591 | return RESET_NORESPONSE; | |
3592 | ||
4fd22c13 | 3593 | if (time_after(jiffies, timeout)) { |
4ccc354b | 3594 | dev_warn(&ctrl_info->pci_dev->dev, |
4fd22c13 MR |
3595 | "timed out waiting for soft reset status\n"); |
3596 | return RESET_TIMEDOUT; | |
3597 | } | |
3598 | ||
4fd22c13 MR |
3599 | ssleep(PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS); |
3600 | } | |
3601 | } | |
3602 | ||
4ccc354b | 3603 | static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 MR |
3604 | { |
3605 | int rc; | |
2790cd4d | 3606 | unsigned int delay_secs; |
4ccc354b KB |
3607 | enum pqi_soft_reset_status reset_status; |
3608 | ||
3609 | if (ctrl_info->soft_reset_handshake_supported) | |
3610 | reset_status = pqi_poll_for_soft_reset_status(ctrl_info); | |
3611 | else | |
3612 | reset_status = RESET_INITIATE_FIRMWARE; | |
4fd22c13 | 3613 | |
2790cd4d | 3614 | delay_secs = PQI_POST_RESET_DELAY_SECS; |
4fd22c13 MR |
3615 | |
3616 | switch (reset_status) { | |
4fd22c13 | 3617 | case RESET_TIMEDOUT: |
2790cd4d | 3618 | delay_secs = PQI_POST_OFA_RESET_DELAY_UPON_TIMEOUT_SECS; |
4ccc354b KB |
3619 | fallthrough; |
3620 | case RESET_INITIATE_DRIVER: | |
4fd22c13 | 3621 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b | 3622 | "Online Firmware Activation: resetting controller\n"); |
4fd22c13 | 3623 | sis_soft_reset(ctrl_info); |
df561f66 | 3624 | fallthrough; |
4fd22c13 | 3625 | case RESET_INITIATE_FIRMWARE: |
4ccc354b KB |
3626 | ctrl_info->pqi_mode_enabled = false; |
3627 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); | |
2790cd4d | 3628 | rc = pqi_ofa_ctrl_restart(ctrl_info, delay_secs); |
4fd22c13 | 3629 | pqi_ofa_free_host_buffer(ctrl_info); |
4ccc354b | 3630 | pqi_ctrl_ofa_done(ctrl_info); |
4fd22c13 | 3631 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b KB |
3632 | "Online Firmware Activation: %s\n", |
3633 | rc == 0 ? "SUCCESS" : "FAILED"); | |
4fd22c13 MR |
3634 | break; |
3635 | case RESET_ABORT: | |
4fd22c13 | 3636 | dev_info(&ctrl_info->pci_dev->dev, |
4ccc354b KB |
3637 | "Online Firmware Activation ABORTED\n"); |
3638 | if (ctrl_info->soft_reset_handshake_supported) | |
3639 | pqi_clear_soft_reset_status(ctrl_info); | |
3640 | pqi_ofa_free_host_buffer(ctrl_info); | |
3641 | pqi_ctrl_ofa_done(ctrl_info); | |
3642 | pqi_ofa_ctrl_unquiesce(ctrl_info); | |
4fd22c13 MR |
3643 | break; |
3644 | case RESET_NORESPONSE: | |
4ccc354b KB |
3645 | fallthrough; |
3646 | default: | |
3647 | dev_err(&ctrl_info->pci_dev->dev, | |
3648 | "unexpected Online Firmware Activation reset status: 0x%x\n", | |
3649 | reset_status); | |
4fd22c13 | 3650 | pqi_ofa_free_host_buffer(ctrl_info); |
4ccc354b KB |
3651 | pqi_ctrl_ofa_done(ctrl_info); |
3652 | pqi_ofa_ctrl_unquiesce(ctrl_info); | |
5d1f03e6 | 3653 | pqi_take_ctrl_offline(ctrl_info, PQI_OFA_RESPONSE_TIMEOUT); |
4fd22c13 MR |
3654 | break; |
3655 | } | |
3656 | } | |
3657 | ||
2790cd4d | 3658 | static void pqi_ofa_memory_alloc_worker(struct work_struct *work) |
4fd22c13 | 3659 | { |
2790cd4d | 3660 | struct pqi_ctrl_info *ctrl_info; |
4fd22c13 | 3661 | |
2790cd4d | 3662 | ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_memory_alloc_work); |
4fd22c13 | 3663 | |
2790cd4d KB |
3664 | pqi_ctrl_ofa_start(ctrl_info); |
3665 | pqi_ofa_setup_host_buffer(ctrl_info); | |
3666 | pqi_ofa_host_memory_update(ctrl_info); | |
3667 | } | |
4fd22c13 | 3668 | |
2790cd4d KB |
3669 | static void pqi_ofa_quiesce_worker(struct work_struct *work) |
3670 | { | |
3671 | struct pqi_ctrl_info *ctrl_info; | |
3672 | struct pqi_event *event; | |
4fd22c13 | 3673 | |
2790cd4d KB |
3674 | ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_quiesce_work); |
3675 | ||
3676 | event = &ctrl_info->events[pqi_event_type_to_event_index(PQI_EVENT_TYPE_OFA)]; | |
3677 | ||
3678 | pqi_ofa_ctrl_quiesce(ctrl_info); | |
3679 | pqi_acknowledge_event(ctrl_info, event); | |
3680 | pqi_process_soft_reset(ctrl_info); | |
3681 | } | |
4fd22c13 | 3682 | |
2790cd4d KB |
3683 | static bool pqi_ofa_process_event(struct pqi_ctrl_info *ctrl_info, |
3684 | struct pqi_event *event) | |
3685 | { | |
3686 | bool ack_event; | |
3687 | ||
3688 | ack_event = true; | |
3689 | ||
3690 | switch (event->event_id) { | |
3691 | case PQI_EVENT_OFA_MEMORY_ALLOCATION: | |
4fd22c13 | 3692 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3693 | "received Online Firmware Activation memory allocation request\n"); |
3694 | schedule_work(&ctrl_info->ofa_memory_alloc_work); | |
3695 | break; | |
3696 | case PQI_EVENT_OFA_QUIESCE: | |
4fd22c13 | 3697 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3698 | "received Online Firmware Activation quiesce request\n"); |
3699 | schedule_work(&ctrl_info->ofa_quiesce_work); | |
3700 | ack_event = false; | |
3701 | break; | |
3702 | case PQI_EVENT_OFA_CANCELED: | |
4fd22c13 | 3703 | dev_info(&ctrl_info->pci_dev->dev, |
2790cd4d KB |
3704 | "received Online Firmware Activation cancel request: reason: %u\n", |
3705 | ctrl_info->ofa_cancel_reason); | |
3706 | pqi_ofa_free_host_buffer(ctrl_info); | |
3707 | pqi_ctrl_ofa_done(ctrl_info); | |
3708 | break; | |
3709 | default: | |
3710 | dev_err(&ctrl_info->pci_dev->dev, | |
3711 | "received unknown Online Firmware Activation request: event ID: %u\n", | |
3712 | event->event_id); | |
3713 | break; | |
4fd22c13 MR |
3714 | } |
3715 | ||
2790cd4d | 3716 | return ack_event; |
4fd22c13 MR |
3717 | } |
3718 | ||
fb4cece1 MR |
3719 | static void pqi_mark_volumes_for_rescan(struct pqi_ctrl_info *ctrl_info) |
3720 | { | |
3721 | unsigned long flags; | |
3722 | struct pqi_scsi_dev *device; | |
3723 | ||
3724 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
3725 | ||
3726 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { | |
3727 | if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) | |
3728 | device->rescan = true; | |
3729 | } | |
3730 | ||
3731 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
3732 | } | |
3733 | ||
6ce3cfb3 KB |
3734 | static void pqi_disable_raid_bypass(struct pqi_ctrl_info *ctrl_info) |
3735 | { | |
3736 | unsigned long flags; | |
3737 | struct pqi_scsi_dev *device; | |
3738 | ||
3739 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
3740 | ||
3741 | list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) | |
3742 | if (device->raid_bypass_enabled) | |
3743 | device->raid_bypass_enabled = false; | |
3744 | ||
3745 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
3746 | } | |
3747 | ||
6c223761 KB |
3748 | static void pqi_event_worker(struct work_struct *work) |
3749 | { | |
3750 | unsigned int i; | |
2790cd4d | 3751 | bool rescan_needed; |
6c223761 | 3752 | struct pqi_ctrl_info *ctrl_info; |
6a50d6ad | 3753 | struct pqi_event *event; |
2790cd4d | 3754 | bool ack_event; |
6c223761 KB |
3755 | |
3756 | ctrl_info = container_of(work, struct pqi_ctrl_info, event_work); | |
3757 | ||
7561a7e4 | 3758 | pqi_ctrl_busy(ctrl_info); |
ae0c189d | 3759 | pqi_wait_if_ctrl_blocked(ctrl_info); |
5f310425 KB |
3760 | if (pqi_ctrl_offline(ctrl_info)) |
3761 | goto out; | |
3762 | ||
2790cd4d | 3763 | rescan_needed = false; |
6a50d6ad | 3764 | event = ctrl_info->events; |
6c223761 | 3765 | for (i = 0; i < PQI_NUM_SUPPORTED_EVENTS; i++) { |
6a50d6ad KB |
3766 | if (event->pending) { |
3767 | event->pending = false; | |
4fd22c13 | 3768 | if (event->event_type == PQI_EVENT_TYPE_OFA) { |
2790cd4d KB |
3769 | ack_event = pqi_ofa_process_event(ctrl_info, event); |
3770 | } else { | |
3771 | ack_event = true; | |
3772 | rescan_needed = true; | |
27655e9d | 3773 | if (event->event_type == PQI_EVENT_TYPE_LOGICAL_DEVICE) |
fb4cece1 | 3774 | pqi_mark_volumes_for_rescan(ctrl_info); |
6ce3cfb3 KB |
3775 | else if (event->event_type == PQI_EVENT_TYPE_AIO_STATE_CHANGE) |
3776 | pqi_disable_raid_bypass(ctrl_info); | |
4fd22c13 | 3777 | } |
2790cd4d KB |
3778 | if (ack_event) |
3779 | pqi_acknowledge_event(ctrl_info, event); | |
6c223761 | 3780 | } |
6a50d6ad | 3781 | event++; |
6c223761 KB |
3782 | } |
3783 | ||
4e7d2602 MM |
3784 | #define PQI_RESCAN_WORK_FOR_EVENT_DELAY (5 * HZ) |
3785 | ||
2790cd4d | 3786 | if (rescan_needed) |
4e7d2602 MM |
3787 | pqi_schedule_rescan_worker_with_delay(ctrl_info, |
3788 | PQI_RESCAN_WORK_FOR_EVENT_DELAY); | |
2790cd4d | 3789 | |
5f310425 | 3790 | out: |
7561a7e4 | 3791 | pqi_ctrl_unbusy(ctrl_info); |
6c223761 KB |
3792 | } |
3793 | ||
42dc0426 | 3794 | #define PQI_HEARTBEAT_TIMER_INTERVAL (10 * HZ) |
6c223761 | 3795 | |
74a0f573 | 3796 | static void pqi_heartbeat_timer_handler(struct timer_list *t) |
6c223761 KB |
3797 | { |
3798 | int num_interrupts; | |
98f87667 | 3799 | u32 heartbeat_count; |
583891c9 | 3800 | struct pqi_ctrl_info *ctrl_info = from_timer(ctrl_info, t, heartbeat_timer); |
6c223761 | 3801 | |
98f87667 KB |
3802 | pqi_check_ctrl_health(ctrl_info); |
3803 | if (pqi_ctrl_offline(ctrl_info)) | |
061ef06a KB |
3804 | return; |
3805 | ||
6c223761 | 3806 | num_interrupts = atomic_read(&ctrl_info->num_interrupts); |
98f87667 | 3807 | heartbeat_count = pqi_read_heartbeat_counter(ctrl_info); |
6c223761 KB |
3808 | |
3809 | if (num_interrupts == ctrl_info->previous_num_interrupts) { | |
98f87667 KB |
3810 | if (heartbeat_count == ctrl_info->previous_heartbeat_count) { |
3811 | dev_err(&ctrl_info->pci_dev->dev, | |
3812 | "no heartbeat detected - last heartbeat count: %u\n", | |
3813 | heartbeat_count); | |
5d1f03e6 | 3814 | pqi_take_ctrl_offline(ctrl_info, PQI_NO_HEARTBEAT); |
6c223761 KB |
3815 | return; |
3816 | } | |
6c223761 | 3817 | } else { |
98f87667 | 3818 | ctrl_info->previous_num_interrupts = num_interrupts; |
6c223761 KB |
3819 | } |
3820 | ||
98f87667 | 3821 | ctrl_info->previous_heartbeat_count = heartbeat_count; |
6c223761 KB |
3822 | mod_timer(&ctrl_info->heartbeat_timer, |
3823 | jiffies + PQI_HEARTBEAT_TIMER_INTERVAL); | |
3824 | } | |
3825 | ||
3826 | static void pqi_start_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) | |
3827 | { | |
98f87667 KB |
3828 | if (!ctrl_info->heartbeat_counter) |
3829 | return; | |
3830 | ||
6c223761 KB |
3831 | ctrl_info->previous_num_interrupts = |
3832 | atomic_read(&ctrl_info->num_interrupts); | |
98f87667 KB |
3833 | ctrl_info->previous_heartbeat_count = |
3834 | pqi_read_heartbeat_counter(ctrl_info); | |
6c223761 | 3835 | |
6c223761 KB |
3836 | ctrl_info->heartbeat_timer.expires = |
3837 | jiffies + PQI_HEARTBEAT_TIMER_INTERVAL; | |
061ef06a | 3838 | add_timer(&ctrl_info->heartbeat_timer); |
6c223761 KB |
3839 | } |
3840 | ||
3841 | static inline void pqi_stop_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) | |
3842 | { | |
98f87667 | 3843 | del_timer_sync(&ctrl_info->heartbeat_timer); |
6c223761 KB |
3844 | } |
3845 | ||
2790cd4d KB |
3846 | static void pqi_ofa_capture_event_payload(struct pqi_ctrl_info *ctrl_info, |
3847 | struct pqi_event *event, struct pqi_event_response *response) | |
4fd22c13 | 3848 | { |
2790cd4d KB |
3849 | switch (event->event_id) { |
3850 | case PQI_EVENT_OFA_MEMORY_ALLOCATION: | |
3851 | ctrl_info->ofa_bytes_requested = | |
3852 | get_unaligned_le32(&response->data.ofa_memory_allocation.bytes_requested); | |
3853 | break; | |
3854 | case PQI_EVENT_OFA_CANCELED: | |
3855 | ctrl_info->ofa_cancel_reason = | |
3856 | get_unaligned_le16(&response->data.ofa_cancelled.reason); | |
3857 | break; | |
4fd22c13 MR |
3858 | } |
3859 | } | |
3860 | ||
9e68cccc | 3861 | static int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) |
6c223761 | 3862 | { |
9e68cccc | 3863 | int num_events; |
6c223761 KB |
3864 | pqi_index_t oq_pi; |
3865 | pqi_index_t oq_ci; | |
3866 | struct pqi_event_queue *event_queue; | |
3867 | struct pqi_event_response *response; | |
6a50d6ad | 3868 | struct pqi_event *event; |
6c223761 KB |
3869 | int event_index; |
3870 | ||
3871 | event_queue = &ctrl_info->event_queue; | |
3872 | num_events = 0; | |
6c223761 KB |
3873 | oq_ci = event_queue->oq_ci_copy; |
3874 | ||
3875 | while (1) { | |
dac12fbc | 3876 | oq_pi = readl(event_queue->oq_pi); |
9e68cccc | 3877 | if (oq_pi >= PQI_NUM_EVENT_QUEUE_ELEMENTS) { |
5d1f03e6 | 3878 | pqi_invalid_response(ctrl_info, PQI_EVENT_PI_OUT_OF_RANGE); |
9e68cccc KB |
3879 | dev_err(&ctrl_info->pci_dev->dev, |
3880 | "event interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", | |
3881 | oq_pi, PQI_NUM_EVENT_QUEUE_ELEMENTS - 1, oq_ci); | |
3882 | return -1; | |
3883 | } | |
3884 | ||
6c223761 KB |
3885 | if (oq_pi == oq_ci) |
3886 | break; | |
3887 | ||
3888 | num_events++; | |
9e68cccc | 3889 | response = event_queue->oq_element_array + (oq_ci * PQI_EVENT_OQ_ELEMENT_LENGTH); |
6c223761 | 3890 | |
583891c9 | 3891 | event_index = pqi_event_type_to_event_index(response->event_type); |
6c223761 | 3892 | |
9e68cccc KB |
3893 | if (event_index >= 0 && response->request_acknowledge) { |
3894 | event = &ctrl_info->events[event_index]; | |
3895 | event->pending = true; | |
3896 | event->event_type = response->event_type; | |
06b41e0d KB |
3897 | event->event_id = get_unaligned_le16(&response->event_id); |
3898 | event->additional_event_id = | |
3899 | get_unaligned_le32(&response->additional_event_id); | |
9e68cccc | 3900 | if (event->event_type == PQI_EVENT_TYPE_OFA) |
2790cd4d | 3901 | pqi_ofa_capture_event_payload(ctrl_info, event, response); |
6c223761 KB |
3902 | } |
3903 | ||
3904 | oq_ci = (oq_ci + 1) % PQI_NUM_EVENT_QUEUE_ELEMENTS; | |
3905 | } | |
3906 | ||
3907 | if (num_events) { | |
3908 | event_queue->oq_ci_copy = oq_ci; | |
3909 | writel(oq_ci, event_queue->oq_ci); | |
98f87667 | 3910 | schedule_work(&ctrl_info->event_work); |
6c223761 KB |
3911 | } |
3912 | ||
3913 | return num_events; | |
3914 | } | |
3915 | ||
061ef06a KB |
3916 | #define PQI_LEGACY_INTX_MASK 0x1 |
3917 | ||
583891c9 | 3918 | static inline void pqi_configure_legacy_intx(struct pqi_ctrl_info *ctrl_info, bool enable_intx) |
061ef06a KB |
3919 | { |
3920 | u32 intx_mask; | |
3921 | struct pqi_device_registers __iomem *pqi_registers; | |
3922 | volatile void __iomem *register_addr; | |
3923 | ||
3924 | pqi_registers = ctrl_info->pqi_registers; | |
3925 | ||
3926 | if (enable_intx) | |
3927 | register_addr = &pqi_registers->legacy_intx_mask_clear; | |
3928 | else | |
3929 | register_addr = &pqi_registers->legacy_intx_mask_set; | |
3930 | ||
3931 | intx_mask = readl(register_addr); | |
3932 | intx_mask |= PQI_LEGACY_INTX_MASK; | |
3933 | writel(intx_mask, register_addr); | |
3934 | } | |
3935 | ||
3936 | static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info, | |
3937 | enum pqi_irq_mode new_mode) | |
3938 | { | |
3939 | switch (ctrl_info->irq_mode) { | |
3940 | case IRQ_MODE_MSIX: | |
3941 | switch (new_mode) { | |
3942 | case IRQ_MODE_MSIX: | |
3943 | break; | |
3944 | case IRQ_MODE_INTX: | |
3945 | pqi_configure_legacy_intx(ctrl_info, true); | |
061ef06a KB |
3946 | sis_enable_intx(ctrl_info); |
3947 | break; | |
3948 | case IRQ_MODE_NONE: | |
061ef06a KB |
3949 | break; |
3950 | } | |
3951 | break; | |
3952 | case IRQ_MODE_INTX: | |
3953 | switch (new_mode) { | |
3954 | case IRQ_MODE_MSIX: | |
3955 | pqi_configure_legacy_intx(ctrl_info, false); | |
061ef06a KB |
3956 | sis_enable_msix(ctrl_info); |
3957 | break; | |
3958 | case IRQ_MODE_INTX: | |
3959 | break; | |
3960 | case IRQ_MODE_NONE: | |
3961 | pqi_configure_legacy_intx(ctrl_info, false); | |
061ef06a KB |
3962 | break; |
3963 | } | |
3964 | break; | |
3965 | case IRQ_MODE_NONE: | |
3966 | switch (new_mode) { | |
3967 | case IRQ_MODE_MSIX: | |
3968 | sis_enable_msix(ctrl_info); | |
3969 | break; | |
3970 | case IRQ_MODE_INTX: | |
3971 | pqi_configure_legacy_intx(ctrl_info, true); | |
3972 | sis_enable_intx(ctrl_info); | |
3973 | break; | |
3974 | case IRQ_MODE_NONE: | |
3975 | break; | |
3976 | } | |
3977 | break; | |
3978 | } | |
3979 | ||
3980 | ctrl_info->irq_mode = new_mode; | |
3981 | } | |
3982 | ||
3983 | #define PQI_LEGACY_INTX_PENDING 0x1 | |
3984 | ||
3985 | static inline bool pqi_is_valid_irq(struct pqi_ctrl_info *ctrl_info) | |
3986 | { | |
3987 | bool valid_irq; | |
3988 | u32 intx_status; | |
3989 | ||
3990 | switch (ctrl_info->irq_mode) { | |
3991 | case IRQ_MODE_MSIX: | |
3992 | valid_irq = true; | |
3993 | break; | |
3994 | case IRQ_MODE_INTX: | |
583891c9 | 3995 | intx_status = readl(&ctrl_info->pqi_registers->legacy_intx_status); |
061ef06a KB |
3996 | if (intx_status & PQI_LEGACY_INTX_PENDING) |
3997 | valid_irq = true; | |
3998 | else | |
3999 | valid_irq = false; | |
4000 | break; | |
4001 | case IRQ_MODE_NONE: | |
4002 | default: | |
4003 | valid_irq = false; | |
4004 | break; | |
4005 | } | |
4006 | ||
4007 | return valid_irq; | |
4008 | } | |
4009 | ||
6c223761 KB |
4010 | static irqreturn_t pqi_irq_handler(int irq, void *data) |
4011 | { | |
4012 | struct pqi_ctrl_info *ctrl_info; | |
4013 | struct pqi_queue_group *queue_group; | |
9e68cccc KB |
4014 | int num_io_responses_handled; |
4015 | int num_events_handled; | |
6c223761 KB |
4016 | |
4017 | queue_group = data; | |
4018 | ctrl_info = queue_group->ctrl_info; | |
4019 | ||
061ef06a | 4020 | if (!pqi_is_valid_irq(ctrl_info)) |
6c223761 KB |
4021 | return IRQ_NONE; |
4022 | ||
9e68cccc KB |
4023 | num_io_responses_handled = pqi_process_io_intr(ctrl_info, queue_group); |
4024 | if (num_io_responses_handled < 0) | |
4025 | goto out; | |
6c223761 | 4026 | |
9e68cccc KB |
4027 | if (irq == ctrl_info->event_irq) { |
4028 | num_events_handled = pqi_process_event_intr(ctrl_info); | |
4029 | if (num_events_handled < 0) | |
4030 | goto out; | |
4031 | } else { | |
4032 | num_events_handled = 0; | |
4033 | } | |
6c223761 | 4034 | |
9e68cccc | 4035 | if (num_io_responses_handled + num_events_handled > 0) |
6c223761 KB |
4036 | atomic_inc(&ctrl_info->num_interrupts); |
4037 | ||
4038 | pqi_start_io(ctrl_info, queue_group, RAID_PATH, NULL); | |
4039 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, NULL); | |
4040 | ||
9e68cccc | 4041 | out: |
6c223761 KB |
4042 | return IRQ_HANDLED; |
4043 | } | |
4044 | ||
4045 | static int pqi_request_irqs(struct pqi_ctrl_info *ctrl_info) | |
4046 | { | |
d91d7820 | 4047 | struct pci_dev *pci_dev = ctrl_info->pci_dev; |
6c223761 KB |
4048 | int i; |
4049 | int rc; | |
4050 | ||
d91d7820 | 4051 | ctrl_info->event_irq = pci_irq_vector(pci_dev, 0); |
6c223761 KB |
4052 | |
4053 | for (i = 0; i < ctrl_info->num_msix_vectors_enabled; i++) { | |
d91d7820 | 4054 | rc = request_irq(pci_irq_vector(pci_dev, i), pqi_irq_handler, 0, |
52198226 | 4055 | DRIVER_NAME_SHORT, &ctrl_info->queue_groups[i]); |
6c223761 | 4056 | if (rc) { |
d91d7820 | 4057 | dev_err(&pci_dev->dev, |
6c223761 | 4058 | "irq %u init failed with error %d\n", |
d91d7820 | 4059 | pci_irq_vector(pci_dev, i), rc); |
6c223761 KB |
4060 | return rc; |
4061 | } | |
4062 | ctrl_info->num_msix_vectors_initialized++; | |
4063 | } | |
4064 | ||
4065 | return 0; | |
4066 | } | |
4067 | ||
98bf061b KB |
4068 | static void pqi_free_irqs(struct pqi_ctrl_info *ctrl_info) |
4069 | { | |
4070 | int i; | |
4071 | ||
4072 | for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) | |
4073 | free_irq(pci_irq_vector(ctrl_info->pci_dev, i), | |
4074 | &ctrl_info->queue_groups[i]); | |
4075 | ||
4076 | ctrl_info->num_msix_vectors_initialized = 0; | |
4077 | } | |
4078 | ||
6c223761 KB |
4079 | static int pqi_enable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) |
4080 | { | |
98bf061b | 4081 | int num_vectors_enabled; |
cf15c3e7 MM |
4082 | unsigned int flags = PCI_IRQ_MSIX; |
4083 | ||
4084 | if (!pqi_disable_managed_interrupts) | |
4085 | flags |= PCI_IRQ_AFFINITY; | |
6c223761 | 4086 | |
98bf061b | 4087 | num_vectors_enabled = pci_alloc_irq_vectors(ctrl_info->pci_dev, |
52198226 | 4088 | PQI_MIN_MSIX_VECTORS, ctrl_info->num_queue_groups, |
cf15c3e7 | 4089 | flags); |
98bf061b | 4090 | if (num_vectors_enabled < 0) { |
6c223761 | 4091 | dev_err(&ctrl_info->pci_dev->dev, |
98bf061b KB |
4092 | "MSI-X init failed with error %d\n", |
4093 | num_vectors_enabled); | |
4094 | return num_vectors_enabled; | |
6c223761 KB |
4095 | } |
4096 | ||
98bf061b | 4097 | ctrl_info->num_msix_vectors_enabled = num_vectors_enabled; |
061ef06a | 4098 | ctrl_info->irq_mode = IRQ_MODE_MSIX; |
6c223761 KB |
4099 | return 0; |
4100 | } | |
4101 | ||
98bf061b KB |
4102 | static void pqi_disable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) |
4103 | { | |
4104 | if (ctrl_info->num_msix_vectors_enabled) { | |
4105 | pci_free_irq_vectors(ctrl_info->pci_dev); | |
4106 | ctrl_info->num_msix_vectors_enabled = 0; | |
4107 | } | |
4108 | } | |
4109 | ||
6c223761 KB |
4110 | static int pqi_alloc_operational_queues(struct pqi_ctrl_info *ctrl_info) |
4111 | { | |
4112 | unsigned int i; | |
4113 | size_t alloc_length; | |
4114 | size_t element_array_length_per_iq; | |
4115 | size_t element_array_length_per_oq; | |
4116 | void *element_array; | |
dac12fbc | 4117 | void __iomem *next_queue_index; |
6c223761 KB |
4118 | void *aligned_pointer; |
4119 | unsigned int num_inbound_queues; | |
4120 | unsigned int num_outbound_queues; | |
4121 | unsigned int num_queue_indexes; | |
4122 | struct pqi_queue_group *queue_group; | |
4123 | ||
4124 | element_array_length_per_iq = | |
4125 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH * | |
4126 | ctrl_info->num_elements_per_iq; | |
4127 | element_array_length_per_oq = | |
4128 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH * | |
4129 | ctrl_info->num_elements_per_oq; | |
4130 | num_inbound_queues = ctrl_info->num_queue_groups * 2; | |
4131 | num_outbound_queues = ctrl_info->num_queue_groups; | |
4132 | num_queue_indexes = (ctrl_info->num_queue_groups * 3) + 1; | |
4133 | ||
4134 | aligned_pointer = NULL; | |
4135 | ||
4136 | for (i = 0; i < num_inbound_queues; i++) { | |
4137 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4138 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4139 | aligned_pointer += element_array_length_per_iq; | |
4140 | } | |
4141 | ||
4142 | for (i = 0; i < num_outbound_queues; i++) { | |
4143 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4144 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4145 | aligned_pointer += element_array_length_per_oq; | |
4146 | } | |
4147 | ||
4148 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4149 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4150 | aligned_pointer += PQI_NUM_EVENT_QUEUE_ELEMENTS * | |
4151 | PQI_EVENT_OQ_ELEMENT_LENGTH; | |
4152 | ||
4153 | for (i = 0; i < num_queue_indexes; i++) { | |
4154 | aligned_pointer = PTR_ALIGN(aligned_pointer, | |
4155 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4156 | aligned_pointer += sizeof(pqi_index_t); | |
4157 | } | |
4158 | ||
4159 | alloc_length = (size_t)aligned_pointer + | |
4160 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; | |
4161 | ||
e1d213bd KB |
4162 | alloc_length += PQI_EXTRA_SGL_MEMORY; |
4163 | ||
6c223761 | 4164 | ctrl_info->queue_memory_base = |
750afb08 LC |
4165 | dma_alloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, |
4166 | &ctrl_info->queue_memory_base_dma_handle, | |
4167 | GFP_KERNEL); | |
6c223761 | 4168 | |
d87d5474 | 4169 | if (!ctrl_info->queue_memory_base) |
6c223761 | 4170 | return -ENOMEM; |
6c223761 KB |
4171 | |
4172 | ctrl_info->queue_memory_length = alloc_length; | |
4173 | ||
4174 | element_array = PTR_ALIGN(ctrl_info->queue_memory_base, | |
4175 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4176 | ||
4177 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4178 | queue_group = &ctrl_info->queue_groups[i]; | |
4179 | queue_group->iq_element_array[RAID_PATH] = element_array; | |
4180 | queue_group->iq_element_array_bus_addr[RAID_PATH] = | |
4181 | ctrl_info->queue_memory_base_dma_handle + | |
4182 | (element_array - ctrl_info->queue_memory_base); | |
4183 | element_array += element_array_length_per_iq; | |
4184 | element_array = PTR_ALIGN(element_array, | |
4185 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4186 | queue_group->iq_element_array[AIO_PATH] = element_array; | |
4187 | queue_group->iq_element_array_bus_addr[AIO_PATH] = | |
4188 | ctrl_info->queue_memory_base_dma_handle + | |
4189 | (element_array - ctrl_info->queue_memory_base); | |
4190 | element_array += element_array_length_per_iq; | |
4191 | element_array = PTR_ALIGN(element_array, | |
4192 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4193 | } | |
4194 | ||
4195 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4196 | queue_group = &ctrl_info->queue_groups[i]; | |
4197 | queue_group->oq_element_array = element_array; | |
4198 | queue_group->oq_element_array_bus_addr = | |
4199 | ctrl_info->queue_memory_base_dma_handle + | |
4200 | (element_array - ctrl_info->queue_memory_base); | |
4201 | element_array += element_array_length_per_oq; | |
4202 | element_array = PTR_ALIGN(element_array, | |
4203 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4204 | } | |
4205 | ||
4206 | ctrl_info->event_queue.oq_element_array = element_array; | |
4207 | ctrl_info->event_queue.oq_element_array_bus_addr = | |
4208 | ctrl_info->queue_memory_base_dma_handle + | |
4209 | (element_array - ctrl_info->queue_memory_base); | |
4210 | element_array += PQI_NUM_EVENT_QUEUE_ELEMENTS * | |
4211 | PQI_EVENT_OQ_ELEMENT_LENGTH; | |
4212 | ||
dac12fbc | 4213 | next_queue_index = (void __iomem *)PTR_ALIGN(element_array, |
6c223761 KB |
4214 | PQI_OPERATIONAL_INDEX_ALIGNMENT); |
4215 | ||
4216 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4217 | queue_group = &ctrl_info->queue_groups[i]; | |
4218 | queue_group->iq_ci[RAID_PATH] = next_queue_index; | |
4219 | queue_group->iq_ci_bus_addr[RAID_PATH] = | |
4220 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4221 | (next_queue_index - |
4222 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4223 | next_queue_index += sizeof(pqi_index_t); |
4224 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4225 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4226 | queue_group->iq_ci[AIO_PATH] = next_queue_index; | |
4227 | queue_group->iq_ci_bus_addr[AIO_PATH] = | |
4228 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4229 | (next_queue_index - |
4230 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4231 | next_queue_index += sizeof(pqi_index_t); |
4232 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4233 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4234 | queue_group->oq_pi = next_queue_index; | |
4235 | queue_group->oq_pi_bus_addr = | |
4236 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4237 | (next_queue_index - |
4238 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4239 | next_queue_index += sizeof(pqi_index_t); |
4240 | next_queue_index = PTR_ALIGN(next_queue_index, | |
4241 | PQI_OPERATIONAL_INDEX_ALIGNMENT); | |
4242 | } | |
4243 | ||
4244 | ctrl_info->event_queue.oq_pi = next_queue_index; | |
4245 | ctrl_info->event_queue.oq_pi_bus_addr = | |
4246 | ctrl_info->queue_memory_base_dma_handle + | |
dac12fbc KB |
4247 | (next_queue_index - |
4248 | (void __iomem *)ctrl_info->queue_memory_base); | |
6c223761 KB |
4249 | |
4250 | return 0; | |
4251 | } | |
4252 | ||
4253 | static void pqi_init_operational_queues(struct pqi_ctrl_info *ctrl_info) | |
4254 | { | |
4255 | unsigned int i; | |
4256 | u16 next_iq_id = PQI_MIN_OPERATIONAL_QUEUE_ID; | |
4257 | u16 next_oq_id = PQI_MIN_OPERATIONAL_QUEUE_ID; | |
4258 | ||
4259 | /* | |
4260 | * Initialize the backpointers to the controller structure in | |
4261 | * each operational queue group structure. | |
4262 | */ | |
4263 | for (i = 0; i < ctrl_info->num_queue_groups; i++) | |
4264 | ctrl_info->queue_groups[i].ctrl_info = ctrl_info; | |
4265 | ||
4266 | /* | |
4267 | * Assign IDs to all operational queues. Note that the IDs | |
4268 | * assigned to operational IQs are independent of the IDs | |
4269 | * assigned to operational OQs. | |
4270 | */ | |
4271 | ctrl_info->event_queue.oq_id = next_oq_id++; | |
4272 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4273 | ctrl_info->queue_groups[i].iq_id[RAID_PATH] = next_iq_id++; | |
4274 | ctrl_info->queue_groups[i].iq_id[AIO_PATH] = next_iq_id++; | |
4275 | ctrl_info->queue_groups[i].oq_id = next_oq_id++; | |
4276 | } | |
4277 | ||
4278 | /* | |
4279 | * Assign MSI-X table entry indexes to all queues. Note that the | |
4280 | * interrupt for the event queue is shared with the first queue group. | |
4281 | */ | |
4282 | ctrl_info->event_queue.int_msg_num = 0; | |
4283 | for (i = 0; i < ctrl_info->num_queue_groups; i++) | |
4284 | ctrl_info->queue_groups[i].int_msg_num = i; | |
4285 | ||
4286 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
4287 | spin_lock_init(&ctrl_info->queue_groups[i].submit_lock[0]); | |
4288 | spin_lock_init(&ctrl_info->queue_groups[i].submit_lock[1]); | |
4289 | INIT_LIST_HEAD(&ctrl_info->queue_groups[i].request_list[0]); | |
4290 | INIT_LIST_HEAD(&ctrl_info->queue_groups[i].request_list[1]); | |
4291 | } | |
4292 | } | |
4293 | ||
4294 | static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) | |
4295 | { | |
4296 | size_t alloc_length; | |
4297 | struct pqi_admin_queues_aligned *admin_queues_aligned; | |
4298 | struct pqi_admin_queues *admin_queues; | |
4299 | ||
4300 | alloc_length = sizeof(struct pqi_admin_queues_aligned) + | |
4301 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; | |
4302 | ||
4303 | ctrl_info->admin_queue_memory_base = | |
750afb08 LC |
4304 | dma_alloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, |
4305 | &ctrl_info->admin_queue_memory_base_dma_handle, | |
4306 | GFP_KERNEL); | |
6c223761 KB |
4307 | |
4308 | if (!ctrl_info->admin_queue_memory_base) | |
4309 | return -ENOMEM; | |
4310 | ||
4311 | ctrl_info->admin_queue_memory_length = alloc_length; | |
4312 | ||
4313 | admin_queues = &ctrl_info->admin_queues; | |
4314 | admin_queues_aligned = PTR_ALIGN(ctrl_info->admin_queue_memory_base, | |
4315 | PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT); | |
4316 | admin_queues->iq_element_array = | |
4317 | &admin_queues_aligned->iq_element_array; | |
4318 | admin_queues->oq_element_array = | |
4319 | &admin_queues_aligned->oq_element_array; | |
583891c9 KB |
4320 | admin_queues->iq_ci = |
4321 | (pqi_index_t __iomem *)&admin_queues_aligned->iq_ci; | |
dac12fbc KB |
4322 | admin_queues->oq_pi = |
4323 | (pqi_index_t __iomem *)&admin_queues_aligned->oq_pi; | |
6c223761 KB |
4324 | |
4325 | admin_queues->iq_element_array_bus_addr = | |
4326 | ctrl_info->admin_queue_memory_base_dma_handle + | |
4327 | (admin_queues->iq_element_array - | |
4328 | ctrl_info->admin_queue_memory_base); | |
4329 | admin_queues->oq_element_array_bus_addr = | |
4330 | ctrl_info->admin_queue_memory_base_dma_handle + | |
4331 | (admin_queues->oq_element_array - | |
4332 | ctrl_info->admin_queue_memory_base); | |
4333 | admin_queues->iq_ci_bus_addr = | |
4334 | ctrl_info->admin_queue_memory_base_dma_handle + | |
583891c9 KB |
4335 | ((void __iomem *)admin_queues->iq_ci - |
4336 | (void __iomem *)ctrl_info->admin_queue_memory_base); | |
6c223761 KB |
4337 | admin_queues->oq_pi_bus_addr = |
4338 | ctrl_info->admin_queue_memory_base_dma_handle + | |
dac12fbc KB |
4339 | ((void __iomem *)admin_queues->oq_pi - |
4340 | (void __iomem *)ctrl_info->admin_queue_memory_base); | |
6c223761 KB |
4341 | |
4342 | return 0; | |
4343 | } | |
4344 | ||
42dc0426 | 4345 | #define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES HZ |
6c223761 KB |
4346 | #define PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS 1 |
4347 | ||
4348 | static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info) | |
4349 | { | |
4350 | struct pqi_device_registers __iomem *pqi_registers; | |
4351 | struct pqi_admin_queues *admin_queues; | |
4352 | unsigned long timeout; | |
4353 | u8 status; | |
4354 | u32 reg; | |
4355 | ||
4356 | pqi_registers = ctrl_info->pqi_registers; | |
4357 | admin_queues = &ctrl_info->admin_queues; | |
4358 | ||
4359 | writeq((u64)admin_queues->iq_element_array_bus_addr, | |
4360 | &pqi_registers->admin_iq_element_array_addr); | |
4361 | writeq((u64)admin_queues->oq_element_array_bus_addr, | |
4362 | &pqi_registers->admin_oq_element_array_addr); | |
4363 | writeq((u64)admin_queues->iq_ci_bus_addr, | |
4364 | &pqi_registers->admin_iq_ci_addr); | |
4365 | writeq((u64)admin_queues->oq_pi_bus_addr, | |
4366 | &pqi_registers->admin_oq_pi_addr); | |
4367 | ||
4368 | reg = PQI_ADMIN_IQ_NUM_ELEMENTS | | |
e655d469 | 4369 | (PQI_ADMIN_OQ_NUM_ELEMENTS << 8) | |
6c223761 KB |
4370 | (admin_queues->int_msg_num << 16); |
4371 | writel(reg, &pqi_registers->admin_iq_num_elements); | |
583891c9 | 4372 | |
6c223761 KB |
4373 | writel(PQI_CREATE_ADMIN_QUEUE_PAIR, |
4374 | &pqi_registers->function_and_status_code); | |
4375 | ||
4376 | timeout = PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES + jiffies; | |
4377 | while (1) { | |
987d3560 | 4378 | msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS); |
6c223761 KB |
4379 | status = readb(&pqi_registers->function_and_status_code); |
4380 | if (status == PQI_STATUS_IDLE) | |
4381 | break; | |
4382 | if (time_after(jiffies, timeout)) | |
4383 | return -ETIMEDOUT; | |
6c223761 KB |
4384 | } |
4385 | ||
4386 | /* | |
4387 | * The offset registers are not initialized to the correct | |
4388 | * offsets until *after* the create admin queue pair command | |
4389 | * completes successfully. | |
4390 | */ | |
4391 | admin_queues->iq_pi = ctrl_info->iomem_base + | |
4392 | PQI_DEVICE_REGISTERS_OFFSET + | |
4393 | readq(&pqi_registers->admin_iq_pi_offset); | |
4394 | admin_queues->oq_ci = ctrl_info->iomem_base + | |
4395 | PQI_DEVICE_REGISTERS_OFFSET + | |
4396 | readq(&pqi_registers->admin_oq_ci_offset); | |
4397 | ||
4398 | return 0; | |
4399 | } | |
4400 | ||
4401 | static void pqi_submit_admin_request(struct pqi_ctrl_info *ctrl_info, | |
4402 | struct pqi_general_admin_request *request) | |
4403 | { | |
4404 | struct pqi_admin_queues *admin_queues; | |
4405 | void *next_element; | |
4406 | pqi_index_t iq_pi; | |
4407 | ||
4408 | admin_queues = &ctrl_info->admin_queues; | |
4409 | iq_pi = admin_queues->iq_pi_copy; | |
4410 | ||
4411 | next_element = admin_queues->iq_element_array + | |
4412 | (iq_pi * PQI_ADMIN_IQ_ELEMENT_LENGTH); | |
4413 | ||
4414 | memcpy(next_element, request, sizeof(*request)); | |
4415 | ||
4416 | iq_pi = (iq_pi + 1) % PQI_ADMIN_IQ_NUM_ELEMENTS; | |
4417 | admin_queues->iq_pi_copy = iq_pi; | |
4418 | ||
4419 | /* | |
4420 | * This write notifies the controller that an IU is available to be | |
4421 | * processed. | |
4422 | */ | |
4423 | writel(iq_pi, admin_queues->iq_pi); | |
4424 | } | |
4425 | ||
13bede67 KB |
4426 | #define PQI_ADMIN_REQUEST_TIMEOUT_SECS 60 |
4427 | ||
6c223761 KB |
4428 | static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info, |
4429 | struct pqi_general_admin_response *response) | |
4430 | { | |
4431 | struct pqi_admin_queues *admin_queues; | |
4432 | pqi_index_t oq_pi; | |
4433 | pqi_index_t oq_ci; | |
4434 | unsigned long timeout; | |
4435 | ||
4436 | admin_queues = &ctrl_info->admin_queues; | |
4437 | oq_ci = admin_queues->oq_ci_copy; | |
4438 | ||
42dc0426 | 4439 | timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies; |
6c223761 KB |
4440 | |
4441 | while (1) { | |
dac12fbc | 4442 | oq_pi = readl(admin_queues->oq_pi); |
6c223761 KB |
4443 | if (oq_pi != oq_ci) |
4444 | break; | |
4445 | if (time_after(jiffies, timeout)) { | |
4446 | dev_err(&ctrl_info->pci_dev->dev, | |
4447 | "timed out waiting for admin response\n"); | |
4448 | return -ETIMEDOUT; | |
4449 | } | |
13bede67 KB |
4450 | if (!sis_is_firmware_running(ctrl_info)) |
4451 | return -ENXIO; | |
6c223761 KB |
4452 | usleep_range(1000, 2000); |
4453 | } | |
4454 | ||
4455 | memcpy(response, admin_queues->oq_element_array + | |
4456 | (oq_ci * PQI_ADMIN_OQ_ELEMENT_LENGTH), sizeof(*response)); | |
4457 | ||
4458 | oq_ci = (oq_ci + 1) % PQI_ADMIN_OQ_NUM_ELEMENTS; | |
4459 | admin_queues->oq_ci_copy = oq_ci; | |
4460 | writel(oq_ci, admin_queues->oq_ci); | |
4461 | ||
4462 | return 0; | |
4463 | } | |
4464 | ||
4465 | static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, | |
4466 | struct pqi_queue_group *queue_group, enum pqi_io_path path, | |
4467 | struct pqi_io_request *io_request) | |
4468 | { | |
4469 | struct pqi_io_request *next; | |
4470 | void *next_element; | |
4471 | pqi_index_t iq_pi; | |
4472 | pqi_index_t iq_ci; | |
4473 | size_t iu_length; | |
4474 | unsigned long flags; | |
4475 | unsigned int num_elements_needed; | |
4476 | unsigned int num_elements_to_end_of_queue; | |
4477 | size_t copy_count; | |
4478 | struct pqi_iu_header *request; | |
4479 | ||
4480 | spin_lock_irqsave(&queue_group->submit_lock[path], flags); | |
4481 | ||
376fb880 KB |
4482 | if (io_request) { |
4483 | io_request->queue_group = queue_group; | |
6c223761 KB |
4484 | list_add_tail(&io_request->request_list_entry, |
4485 | &queue_group->request_list[path]); | |
376fb880 | 4486 | } |
6c223761 KB |
4487 | |
4488 | iq_pi = queue_group->iq_pi_copy[path]; | |
4489 | ||
4490 | list_for_each_entry_safe(io_request, next, | |
4491 | &queue_group->request_list[path], request_list_entry) { | |
4492 | ||
4493 | request = io_request->iu; | |
4494 | ||
4495 | iu_length = get_unaligned_le16(&request->iu_length) + | |
4496 | PQI_REQUEST_HEADER_LENGTH; | |
4497 | num_elements_needed = | |
4498 | DIV_ROUND_UP(iu_length, | |
4499 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4500 | ||
dac12fbc | 4501 | iq_ci = readl(queue_group->iq_ci[path]); |
6c223761 KB |
4502 | |
4503 | if (num_elements_needed > pqi_num_elements_free(iq_pi, iq_ci, | |
4504 | ctrl_info->num_elements_per_iq)) | |
4505 | break; | |
4506 | ||
4507 | put_unaligned_le16(queue_group->oq_id, | |
4508 | &request->response_queue_id); | |
4509 | ||
4510 | next_element = queue_group->iq_element_array[path] + | |
4511 | (iq_pi * PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4512 | ||
4513 | num_elements_to_end_of_queue = | |
4514 | ctrl_info->num_elements_per_iq - iq_pi; | |
4515 | ||
4516 | if (num_elements_needed <= num_elements_to_end_of_queue) { | |
4517 | memcpy(next_element, request, iu_length); | |
4518 | } else { | |
4519 | copy_count = num_elements_to_end_of_queue * | |
4520 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH; | |
4521 | memcpy(next_element, request, copy_count); | |
4522 | memcpy(queue_group->iq_element_array[path], | |
4523 | (u8 *)request + copy_count, | |
4524 | iu_length - copy_count); | |
4525 | } | |
4526 | ||
4527 | iq_pi = (iq_pi + num_elements_needed) % | |
4528 | ctrl_info->num_elements_per_iq; | |
4529 | ||
4530 | list_del(&io_request->request_list_entry); | |
4531 | } | |
4532 | ||
4533 | if (iq_pi != queue_group->iq_pi_copy[path]) { | |
4534 | queue_group->iq_pi_copy[path] = iq_pi; | |
4535 | /* | |
4536 | * This write notifies the controller that one or more IUs are | |
4537 | * available to be processed. | |
4538 | */ | |
4539 | writel(iq_pi, queue_group->iq_pi[path]); | |
4540 | } | |
4541 | ||
4542 | spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); | |
4543 | } | |
4544 | ||
1f37e992 KB |
4545 | #define PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS 10 |
4546 | ||
4547 | static int pqi_wait_for_completion_io(struct pqi_ctrl_info *ctrl_info, | |
4548 | struct completion *wait) | |
4549 | { | |
4550 | int rc; | |
1f37e992 KB |
4551 | |
4552 | while (1) { | |
4553 | if (wait_for_completion_io_timeout(wait, | |
42dc0426 | 4554 | PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * HZ)) { |
1f37e992 KB |
4555 | rc = 0; |
4556 | break; | |
4557 | } | |
4558 | ||
4559 | pqi_check_ctrl_health(ctrl_info); | |
4560 | if (pqi_ctrl_offline(ctrl_info)) { | |
4561 | rc = -ENXIO; | |
4562 | break; | |
4563 | } | |
1f37e992 KB |
4564 | } |
4565 | ||
4566 | return rc; | |
4567 | } | |
4568 | ||
6c223761 KB |
4569 | static void pqi_raid_synchronous_complete(struct pqi_io_request *io_request, |
4570 | void *context) | |
4571 | { | |
4572 | struct completion *waiting = context; | |
4573 | ||
4574 | complete(waiting); | |
4575 | } | |
4576 | ||
694c5d5b KB |
4577 | static int pqi_process_raid_io_error_synchronous( |
4578 | struct pqi_raid_error_info *error_info) | |
26b390ab KB |
4579 | { |
4580 | int rc = -EIO; | |
4581 | ||
4582 | switch (error_info->data_out_result) { | |
4583 | case PQI_DATA_IN_OUT_GOOD: | |
4584 | if (error_info->status == SAM_STAT_GOOD) | |
4585 | rc = 0; | |
4586 | break; | |
4587 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
4588 | if (error_info->status == SAM_STAT_GOOD || | |
4589 | error_info->status == SAM_STAT_CHECK_CONDITION) | |
4590 | rc = 0; | |
4591 | break; | |
4592 | case PQI_DATA_IN_OUT_ABORTED: | |
4593 | rc = PQI_CMD_STATUS_ABORTED; | |
4594 | break; | |
4595 | } | |
4596 | ||
4597 | return rc; | |
4598 | } | |
4599 | ||
ae0c189d KB |
4600 | static inline bool pqi_is_blockable_request(struct pqi_iu_header *request) |
4601 | { | |
4602 | return (request->driver_flags & PQI_DRIVER_NONBLOCKABLE_REQUEST) == 0; | |
4603 | } | |
4604 | ||
6c223761 KB |
4605 | static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, |
4606 | struct pqi_iu_header *request, unsigned int flags, | |
ae0c189d | 4607 | struct pqi_raid_error_info *error_info) |
6c223761 | 4608 | { |
957c5ab1 | 4609 | int rc = 0; |
6c223761 | 4610 | struct pqi_io_request *io_request; |
6c223761 | 4611 | size_t iu_length; |
957c5ab1 | 4612 | DECLARE_COMPLETION_ONSTACK(wait); |
6c223761 | 4613 | |
6c223761 KB |
4614 | if (flags & PQI_SYNC_FLAGS_INTERRUPTABLE) { |
4615 | if (down_interruptible(&ctrl_info->sync_request_sem)) | |
4616 | return -ERESTARTSYS; | |
4617 | } else { | |
ae0c189d | 4618 | down(&ctrl_info->sync_request_sem); |
6c223761 KB |
4619 | } |
4620 | ||
7561a7e4 | 4621 | pqi_ctrl_busy(ctrl_info); |
ae0c189d KB |
4622 | /* |
4623 | * Wait for other admin queue updates such as; | |
4624 | * config table changes, OFA memory updates, ... | |
4625 | */ | |
4626 | if (pqi_is_blockable_request(request)) | |
4627 | pqi_wait_if_ctrl_blocked(ctrl_info); | |
7561a7e4 | 4628 | |
376fb880 KB |
4629 | if (pqi_ctrl_offline(ctrl_info)) { |
4630 | rc = -ENXIO; | |
4631 | goto out; | |
4632 | } | |
4633 | ||
b27ac2fa | 4634 | io_request = pqi_alloc_io_request(ctrl_info, NULL); |
6c223761 KB |
4635 | |
4636 | put_unaligned_le16(io_request->index, | |
4637 | &(((struct pqi_raid_path_request *)request)->request_id)); | |
4638 | ||
4639 | if (request->iu_type == PQI_REQUEST_IU_RAID_PATH_IO) | |
4640 | ((struct pqi_raid_path_request *)request)->error_index = | |
4641 | ((struct pqi_raid_path_request *)request)->request_id; | |
4642 | ||
4643 | iu_length = get_unaligned_le16(&request->iu_length) + | |
4644 | PQI_REQUEST_HEADER_LENGTH; | |
4645 | memcpy(io_request->iu, request, iu_length); | |
4646 | ||
957c5ab1 KB |
4647 | io_request->io_complete_callback = pqi_raid_synchronous_complete; |
4648 | io_request->context = &wait; | |
4649 | ||
583891c9 | 4650 | pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, |
957c5ab1 KB |
4651 | io_request); |
4652 | ||
ae0c189d | 4653 | pqi_wait_for_completion_io(ctrl_info, &wait); |
6c223761 KB |
4654 | |
4655 | if (error_info) { | |
4656 | if (io_request->error_info) | |
583891c9 | 4657 | memcpy(error_info, io_request->error_info, sizeof(*error_info)); |
6c223761 KB |
4658 | else |
4659 | memset(error_info, 0, sizeof(*error_info)); | |
4660 | } else if (rc == 0 && io_request->error_info) { | |
583891c9 | 4661 | rc = pqi_process_raid_io_error_synchronous(io_request->error_info); |
6c223761 KB |
4662 | } |
4663 | ||
4664 | pqi_free_io_request(io_request); | |
4665 | ||
7561a7e4 | 4666 | out: |
ae0c189d | 4667 | pqi_ctrl_unbusy(ctrl_info); |
6c223761 KB |
4668 | up(&ctrl_info->sync_request_sem); |
4669 | ||
4670 | return rc; | |
4671 | } | |
4672 | ||
4673 | static int pqi_validate_admin_response( | |
4674 | struct pqi_general_admin_response *response, u8 expected_function_code) | |
4675 | { | |
4676 | if (response->header.iu_type != PQI_RESPONSE_IU_GENERAL_ADMIN) | |
4677 | return -EINVAL; | |
4678 | ||
4679 | if (get_unaligned_le16(&response->header.iu_length) != | |
4680 | PQI_GENERAL_ADMIN_IU_LENGTH) | |
4681 | return -EINVAL; | |
4682 | ||
4683 | if (response->function_code != expected_function_code) | |
4684 | return -EINVAL; | |
4685 | ||
4686 | if (response->status != PQI_GENERAL_ADMIN_STATUS_SUCCESS) | |
4687 | return -EINVAL; | |
4688 | ||
4689 | return 0; | |
4690 | } | |
4691 | ||
4692 | static int pqi_submit_admin_request_synchronous( | |
4693 | struct pqi_ctrl_info *ctrl_info, | |
4694 | struct pqi_general_admin_request *request, | |
4695 | struct pqi_general_admin_response *response) | |
4696 | { | |
4697 | int rc; | |
4698 | ||
4699 | pqi_submit_admin_request(ctrl_info, request); | |
4700 | ||
4701 | rc = pqi_poll_for_admin_response(ctrl_info, response); | |
4702 | ||
4703 | if (rc == 0) | |
ae0c189d | 4704 | rc = pqi_validate_admin_response(response, request->function_code); |
6c223761 KB |
4705 | |
4706 | return rc; | |
4707 | } | |
4708 | ||
4709 | static int pqi_report_device_capability(struct pqi_ctrl_info *ctrl_info) | |
4710 | { | |
4711 | int rc; | |
4712 | struct pqi_general_admin_request request; | |
4713 | struct pqi_general_admin_response response; | |
4714 | struct pqi_device_capability *capability; | |
4715 | struct pqi_iu_layer_descriptor *sop_iu_layer_descriptor; | |
4716 | ||
4717 | capability = kmalloc(sizeof(*capability), GFP_KERNEL); | |
4718 | if (!capability) | |
4719 | return -ENOMEM; | |
4720 | ||
4721 | memset(&request, 0, sizeof(request)); | |
4722 | ||
4723 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4724 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4725 | &request.header.iu_length); | |
4726 | request.function_code = | |
4727 | PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY; | |
4728 | put_unaligned_le32(sizeof(*capability), | |
4729 | &request.data.report_device_capability.buffer_length); | |
4730 | ||
4731 | rc = pqi_map_single(ctrl_info->pci_dev, | |
4732 | &request.data.report_device_capability.sg_descriptor, | |
4733 | capability, sizeof(*capability), | |
6917a9cc | 4734 | DMA_FROM_DEVICE); |
6c223761 KB |
4735 | if (rc) |
4736 | goto out; | |
4737 | ||
583891c9 | 4738 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, &response); |
6c223761 KB |
4739 | |
4740 | pqi_pci_unmap(ctrl_info->pci_dev, | |
4741 | &request.data.report_device_capability.sg_descriptor, 1, | |
6917a9cc | 4742 | DMA_FROM_DEVICE); |
6c223761 KB |
4743 | |
4744 | if (rc) | |
4745 | goto out; | |
4746 | ||
4747 | if (response.status != PQI_GENERAL_ADMIN_STATUS_SUCCESS) { | |
4748 | rc = -EIO; | |
4749 | goto out; | |
4750 | } | |
4751 | ||
4752 | ctrl_info->max_inbound_queues = | |
4753 | get_unaligned_le16(&capability->max_inbound_queues); | |
4754 | ctrl_info->max_elements_per_iq = | |
4755 | get_unaligned_le16(&capability->max_elements_per_iq); | |
4756 | ctrl_info->max_iq_element_length = | |
4757 | get_unaligned_le16(&capability->max_iq_element_length) | |
4758 | * 16; | |
4759 | ctrl_info->max_outbound_queues = | |
4760 | get_unaligned_le16(&capability->max_outbound_queues); | |
4761 | ctrl_info->max_elements_per_oq = | |
4762 | get_unaligned_le16(&capability->max_elements_per_oq); | |
4763 | ctrl_info->max_oq_element_length = | |
4764 | get_unaligned_le16(&capability->max_oq_element_length) | |
4765 | * 16; | |
4766 | ||
4767 | sop_iu_layer_descriptor = | |
4768 | &capability->iu_layer_descriptors[PQI_PROTOCOL_SOP]; | |
4769 | ||
4770 | ctrl_info->max_inbound_iu_length_per_firmware = | |
4771 | get_unaligned_le16( | |
4772 | &sop_iu_layer_descriptor->max_inbound_iu_length); | |
4773 | ctrl_info->inbound_spanning_supported = | |
4774 | sop_iu_layer_descriptor->inbound_spanning_supported; | |
4775 | ctrl_info->outbound_spanning_supported = | |
4776 | sop_iu_layer_descriptor->outbound_spanning_supported; | |
4777 | ||
4778 | out: | |
4779 | kfree(capability); | |
4780 | ||
4781 | return rc; | |
4782 | } | |
4783 | ||
4784 | static int pqi_validate_device_capability(struct pqi_ctrl_info *ctrl_info) | |
4785 | { | |
4786 | if (ctrl_info->max_iq_element_length < | |
4787 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) { | |
4788 | dev_err(&ctrl_info->pci_dev->dev, | |
4789 | "max. inbound queue element length of %d is less than the required length of %d\n", | |
4790 | ctrl_info->max_iq_element_length, | |
4791 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4792 | return -EINVAL; | |
4793 | } | |
4794 | ||
4795 | if (ctrl_info->max_oq_element_length < | |
4796 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH) { | |
4797 | dev_err(&ctrl_info->pci_dev->dev, | |
4798 | "max. outbound queue element length of %d is less than the required length of %d\n", | |
4799 | ctrl_info->max_oq_element_length, | |
4800 | PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); | |
4801 | return -EINVAL; | |
4802 | } | |
4803 | ||
4804 | if (ctrl_info->max_inbound_iu_length_per_firmware < | |
4805 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) { | |
4806 | dev_err(&ctrl_info->pci_dev->dev, | |
4807 | "max. inbound IU length of %u is less than the min. required length of %d\n", | |
4808 | ctrl_info->max_inbound_iu_length_per_firmware, | |
4809 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
4810 | return -EINVAL; | |
4811 | } | |
4812 | ||
77668f41 KB |
4813 | if (!ctrl_info->inbound_spanning_supported) { |
4814 | dev_err(&ctrl_info->pci_dev->dev, | |
4815 | "the controller does not support inbound spanning\n"); | |
4816 | return -EINVAL; | |
4817 | } | |
4818 | ||
4819 | if (ctrl_info->outbound_spanning_supported) { | |
4820 | dev_err(&ctrl_info->pci_dev->dev, | |
4821 | "the controller supports outbound spanning but this driver does not\n"); | |
4822 | return -EINVAL; | |
4823 | } | |
4824 | ||
6c223761 KB |
4825 | return 0; |
4826 | } | |
4827 | ||
6c223761 KB |
4828 | static int pqi_create_event_queue(struct pqi_ctrl_info *ctrl_info) |
4829 | { | |
4830 | int rc; | |
4831 | struct pqi_event_queue *event_queue; | |
4832 | struct pqi_general_admin_request request; | |
4833 | struct pqi_general_admin_response response; | |
4834 | ||
4835 | event_queue = &ctrl_info->event_queue; | |
4836 | ||
4837 | /* | |
4838 | * Create OQ (Outbound Queue - device to host queue) to dedicate | |
4839 | * to events. | |
4840 | */ | |
4841 | memset(&request, 0, sizeof(request)); | |
4842 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4843 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4844 | &request.header.iu_length); | |
4845 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ; | |
4846 | put_unaligned_le16(event_queue->oq_id, | |
4847 | &request.data.create_operational_oq.queue_id); | |
4848 | put_unaligned_le64((u64)event_queue->oq_element_array_bus_addr, | |
4849 | &request.data.create_operational_oq.element_array_addr); | |
4850 | put_unaligned_le64((u64)event_queue->oq_pi_bus_addr, | |
4851 | &request.data.create_operational_oq.pi_addr); | |
4852 | put_unaligned_le16(PQI_NUM_EVENT_QUEUE_ELEMENTS, | |
4853 | &request.data.create_operational_oq.num_elements); | |
4854 | put_unaligned_le16(PQI_EVENT_OQ_ELEMENT_LENGTH / 16, | |
4855 | &request.data.create_operational_oq.element_length); | |
4856 | request.data.create_operational_oq.queue_protocol = PQI_PROTOCOL_SOP; | |
4857 | put_unaligned_le16(event_queue->int_msg_num, | |
4858 | &request.data.create_operational_oq.int_msg_num); | |
4859 | ||
4860 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4861 | &response); | |
4862 | if (rc) | |
4863 | return rc; | |
4864 | ||
4865 | event_queue->oq_ci = ctrl_info->iomem_base + | |
4866 | PQI_DEVICE_REGISTERS_OFFSET + | |
4867 | get_unaligned_le64( | |
4868 | &response.data.create_operational_oq.oq_ci_offset); | |
4869 | ||
4870 | return 0; | |
4871 | } | |
4872 | ||
061ef06a KB |
4873 | static int pqi_create_queue_group(struct pqi_ctrl_info *ctrl_info, |
4874 | unsigned int group_number) | |
6c223761 | 4875 | { |
6c223761 KB |
4876 | int rc; |
4877 | struct pqi_queue_group *queue_group; | |
4878 | struct pqi_general_admin_request request; | |
4879 | struct pqi_general_admin_response response; | |
4880 | ||
061ef06a | 4881 | queue_group = &ctrl_info->queue_groups[group_number]; |
6c223761 KB |
4882 | |
4883 | /* | |
4884 | * Create IQ (Inbound Queue - host to device queue) for | |
4885 | * RAID path. | |
4886 | */ | |
4887 | memset(&request, 0, sizeof(request)); | |
4888 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4889 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4890 | &request.header.iu_length); | |
4891 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ; | |
4892 | put_unaligned_le16(queue_group->iq_id[RAID_PATH], | |
4893 | &request.data.create_operational_iq.queue_id); | |
4894 | put_unaligned_le64( | |
4895 | (u64)queue_group->iq_element_array_bus_addr[RAID_PATH], | |
4896 | &request.data.create_operational_iq.element_array_addr); | |
4897 | put_unaligned_le64((u64)queue_group->iq_ci_bus_addr[RAID_PATH], | |
4898 | &request.data.create_operational_iq.ci_addr); | |
4899 | put_unaligned_le16(ctrl_info->num_elements_per_iq, | |
4900 | &request.data.create_operational_iq.num_elements); | |
4901 | put_unaligned_le16(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH / 16, | |
4902 | &request.data.create_operational_iq.element_length); | |
4903 | request.data.create_operational_iq.queue_protocol = PQI_PROTOCOL_SOP; | |
4904 | ||
4905 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4906 | &response); | |
4907 | if (rc) { | |
4908 | dev_err(&ctrl_info->pci_dev->dev, | |
4909 | "error creating inbound RAID queue\n"); | |
4910 | return rc; | |
4911 | } | |
4912 | ||
4913 | queue_group->iq_pi[RAID_PATH] = ctrl_info->iomem_base + | |
4914 | PQI_DEVICE_REGISTERS_OFFSET + | |
4915 | get_unaligned_le64( | |
4916 | &response.data.create_operational_iq.iq_pi_offset); | |
4917 | ||
4918 | /* | |
4919 | * Create IQ (Inbound Queue - host to device queue) for | |
4920 | * Advanced I/O (AIO) path. | |
4921 | */ | |
4922 | memset(&request, 0, sizeof(request)); | |
4923 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4924 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4925 | &request.header.iu_length); | |
4926 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ; | |
4927 | put_unaligned_le16(queue_group->iq_id[AIO_PATH], | |
4928 | &request.data.create_operational_iq.queue_id); | |
4929 | put_unaligned_le64((u64)queue_group-> | |
4930 | iq_element_array_bus_addr[AIO_PATH], | |
4931 | &request.data.create_operational_iq.element_array_addr); | |
4932 | put_unaligned_le64((u64)queue_group->iq_ci_bus_addr[AIO_PATH], | |
4933 | &request.data.create_operational_iq.ci_addr); | |
4934 | put_unaligned_le16(ctrl_info->num_elements_per_iq, | |
4935 | &request.data.create_operational_iq.num_elements); | |
4936 | put_unaligned_le16(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH / 16, | |
4937 | &request.data.create_operational_iq.element_length); | |
4938 | request.data.create_operational_iq.queue_protocol = PQI_PROTOCOL_SOP; | |
4939 | ||
4940 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4941 | &response); | |
4942 | if (rc) { | |
4943 | dev_err(&ctrl_info->pci_dev->dev, | |
4944 | "error creating inbound AIO queue\n"); | |
339faa81 | 4945 | return rc; |
6c223761 KB |
4946 | } |
4947 | ||
4948 | queue_group->iq_pi[AIO_PATH] = ctrl_info->iomem_base + | |
4949 | PQI_DEVICE_REGISTERS_OFFSET + | |
4950 | get_unaligned_le64( | |
4951 | &response.data.create_operational_iq.iq_pi_offset); | |
4952 | ||
4953 | /* | |
4954 | * Designate the 2nd IQ as the AIO path. By default, all IQs are | |
4955 | * assumed to be for RAID path I/O unless we change the queue's | |
4956 | * property. | |
4957 | */ | |
4958 | memset(&request, 0, sizeof(request)); | |
4959 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4960 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4961 | &request.header.iu_length); | |
4962 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CHANGE_IQ_PROPERTY; | |
4963 | put_unaligned_le16(queue_group->iq_id[AIO_PATH], | |
4964 | &request.data.change_operational_iq_properties.queue_id); | |
4965 | put_unaligned_le32(PQI_IQ_PROPERTY_IS_AIO_QUEUE, | |
4966 | &request.data.change_operational_iq_properties.vendor_specific); | |
4967 | ||
4968 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4969 | &response); | |
4970 | if (rc) { | |
4971 | dev_err(&ctrl_info->pci_dev->dev, | |
4972 | "error changing queue property\n"); | |
339faa81 | 4973 | return rc; |
6c223761 KB |
4974 | } |
4975 | ||
4976 | /* | |
4977 | * Create OQ (Outbound Queue - device to host queue). | |
4978 | */ | |
4979 | memset(&request, 0, sizeof(request)); | |
4980 | request.header.iu_type = PQI_REQUEST_IU_GENERAL_ADMIN; | |
4981 | put_unaligned_le16(PQI_GENERAL_ADMIN_IU_LENGTH, | |
4982 | &request.header.iu_length); | |
4983 | request.function_code = PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ; | |
4984 | put_unaligned_le16(queue_group->oq_id, | |
4985 | &request.data.create_operational_oq.queue_id); | |
4986 | put_unaligned_le64((u64)queue_group->oq_element_array_bus_addr, | |
4987 | &request.data.create_operational_oq.element_array_addr); | |
4988 | put_unaligned_le64((u64)queue_group->oq_pi_bus_addr, | |
4989 | &request.data.create_operational_oq.pi_addr); | |
4990 | put_unaligned_le16(ctrl_info->num_elements_per_oq, | |
4991 | &request.data.create_operational_oq.num_elements); | |
4992 | put_unaligned_le16(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH / 16, | |
4993 | &request.data.create_operational_oq.element_length); | |
4994 | request.data.create_operational_oq.queue_protocol = PQI_PROTOCOL_SOP; | |
4995 | put_unaligned_le16(queue_group->int_msg_num, | |
4996 | &request.data.create_operational_oq.int_msg_num); | |
4997 | ||
4998 | rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, | |
4999 | &response); | |
5000 | if (rc) { | |
5001 | dev_err(&ctrl_info->pci_dev->dev, | |
5002 | "error creating outbound queue\n"); | |
339faa81 | 5003 | return rc; |
6c223761 KB |
5004 | } |
5005 | ||
5006 | queue_group->oq_ci = ctrl_info->iomem_base + | |
5007 | PQI_DEVICE_REGISTERS_OFFSET + | |
5008 | get_unaligned_le64( | |
5009 | &response.data.create_operational_oq.oq_ci_offset); | |
5010 | ||
6c223761 | 5011 | return 0; |
6c223761 KB |
5012 | } |
5013 | ||
5014 | static int pqi_create_queues(struct pqi_ctrl_info *ctrl_info) | |
5015 | { | |
5016 | int rc; | |
5017 | unsigned int i; | |
5018 | ||
5019 | rc = pqi_create_event_queue(ctrl_info); | |
5020 | if (rc) { | |
5021 | dev_err(&ctrl_info->pci_dev->dev, | |
5022 | "error creating event queue\n"); | |
5023 | return rc; | |
5024 | } | |
5025 | ||
5026 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
061ef06a | 5027 | rc = pqi_create_queue_group(ctrl_info, i); |
6c223761 KB |
5028 | if (rc) { |
5029 | dev_err(&ctrl_info->pci_dev->dev, | |
5030 | "error creating queue group number %u/%u\n", | |
5031 | i, ctrl_info->num_queue_groups); | |
5032 | return rc; | |
5033 | } | |
5034 | } | |
5035 | ||
5036 | return 0; | |
5037 | } | |
5038 | ||
5039 | #define PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH \ | |
d67790dd | 5040 | struct_size_t(struct pqi_event_config, descriptors, PQI_MAX_EVENT_DESCRIPTORS) |
6c223761 | 5041 | |
6a50d6ad KB |
5042 | static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, |
5043 | bool enable_events) | |
6c223761 KB |
5044 | { |
5045 | int rc; | |
5046 | unsigned int i; | |
5047 | struct pqi_event_config *event_config; | |
6a50d6ad | 5048 | struct pqi_event_descriptor *event_descriptor; |
6c223761 KB |
5049 | struct pqi_general_management_request request; |
5050 | ||
5051 | event_config = kmalloc(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5052 | GFP_KERNEL); | |
5053 | if (!event_config) | |
5054 | return -ENOMEM; | |
5055 | ||
5056 | memset(&request, 0, sizeof(request)); | |
5057 | ||
5058 | request.header.iu_type = PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG; | |
5059 | put_unaligned_le16(offsetof(struct pqi_general_management_request, | |
5060 | data.report_event_configuration.sg_descriptors[1]) - | |
5061 | PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); | |
5062 | put_unaligned_le32(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5063 | &request.data.report_event_configuration.buffer_length); | |
5064 | ||
5065 | rc = pqi_map_single(ctrl_info->pci_dev, | |
5066 | request.data.report_event_configuration.sg_descriptors, | |
5067 | event_config, PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
6917a9cc | 5068 | DMA_FROM_DEVICE); |
6c223761 KB |
5069 | if (rc) |
5070 | goto out; | |
5071 | ||
ae0c189d | 5072 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 KB |
5073 | |
5074 | pqi_pci_unmap(ctrl_info->pci_dev, | |
5075 | request.data.report_event_configuration.sg_descriptors, 1, | |
6917a9cc | 5076 | DMA_FROM_DEVICE); |
6c223761 KB |
5077 | |
5078 | if (rc) | |
5079 | goto out; | |
5080 | ||
6a50d6ad KB |
5081 | for (i = 0; i < event_config->num_event_descriptors; i++) { |
5082 | event_descriptor = &event_config->descriptors[i]; | |
5083 | if (enable_events && | |
5084 | pqi_is_supported_event(event_descriptor->event_type)) | |
583891c9 | 5085 | put_unaligned_le16(ctrl_info->event_queue.oq_id, |
6a50d6ad KB |
5086 | &event_descriptor->oq_id); |
5087 | else | |
5088 | put_unaligned_le16(0, &event_descriptor->oq_id); | |
5089 | } | |
6c223761 KB |
5090 | |
5091 | memset(&request, 0, sizeof(request)); | |
5092 | ||
5093 | request.header.iu_type = PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG; | |
5094 | put_unaligned_le16(offsetof(struct pqi_general_management_request, | |
5095 | data.report_event_configuration.sg_descriptors[1]) - | |
5096 | PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); | |
5097 | put_unaligned_le32(PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
5098 | &request.data.report_event_configuration.buffer_length); | |
5099 | ||
5100 | rc = pqi_map_single(ctrl_info->pci_dev, | |
5101 | request.data.report_event_configuration.sg_descriptors, | |
5102 | event_config, PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH, | |
6917a9cc | 5103 | DMA_TO_DEVICE); |
6c223761 KB |
5104 | if (rc) |
5105 | goto out; | |
5106 | ||
ae0c189d | 5107 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
6c223761 KB |
5108 | |
5109 | pqi_pci_unmap(ctrl_info->pci_dev, | |
5110 | request.data.report_event_configuration.sg_descriptors, 1, | |
6917a9cc | 5111 | DMA_TO_DEVICE); |
6c223761 KB |
5112 | |
5113 | out: | |
5114 | kfree(event_config); | |
5115 | ||
5116 | return rc; | |
5117 | } | |
5118 | ||
6a50d6ad KB |
5119 | static inline int pqi_enable_events(struct pqi_ctrl_info *ctrl_info) |
5120 | { | |
5121 | return pqi_configure_events(ctrl_info, true); | |
5122 | } | |
5123 | ||
6c223761 KB |
5124 | static void pqi_free_all_io_requests(struct pqi_ctrl_info *ctrl_info) |
5125 | { | |
5126 | unsigned int i; | |
5127 | struct device *dev; | |
5128 | size_t sg_chain_buffer_length; | |
5129 | struct pqi_io_request *io_request; | |
5130 | ||
5131 | if (!ctrl_info->io_request_pool) | |
5132 | return; | |
5133 | ||
5134 | dev = &ctrl_info->pci_dev->dev; | |
5135 | sg_chain_buffer_length = ctrl_info->sg_chain_buffer_length; | |
5136 | io_request = ctrl_info->io_request_pool; | |
5137 | ||
5138 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
5139 | kfree(io_request->iu); | |
5140 | if (!io_request->sg_chain_buffer) | |
5141 | break; | |
5142 | dma_free_coherent(dev, sg_chain_buffer_length, | |
5143 | io_request->sg_chain_buffer, | |
5144 | io_request->sg_chain_buffer_dma_handle); | |
5145 | io_request++; | |
5146 | } | |
5147 | ||
5148 | kfree(ctrl_info->io_request_pool); | |
5149 | ctrl_info->io_request_pool = NULL; | |
5150 | } | |
5151 | ||
5152 | static inline int pqi_alloc_error_buffer(struct pqi_ctrl_info *ctrl_info) | |
5153 | { | |
694c5d5b KB |
5154 | ctrl_info->error_buffer = dma_alloc_coherent(&ctrl_info->pci_dev->dev, |
5155 | ctrl_info->error_buffer_length, | |
5156 | &ctrl_info->error_buffer_dma_handle, | |
5157 | GFP_KERNEL); | |
6c223761 KB |
5158 | if (!ctrl_info->error_buffer) |
5159 | return -ENOMEM; | |
5160 | ||
5161 | return 0; | |
5162 | } | |
5163 | ||
5164 | static int pqi_alloc_io_resources(struct pqi_ctrl_info *ctrl_info) | |
5165 | { | |
5166 | unsigned int i; | |
5167 | void *sg_chain_buffer; | |
5168 | size_t sg_chain_buffer_length; | |
5169 | dma_addr_t sg_chain_buffer_dma_handle; | |
5170 | struct device *dev; | |
5171 | struct pqi_io_request *io_request; | |
5172 | ||
583891c9 KB |
5173 | ctrl_info->io_request_pool = kcalloc(ctrl_info->max_io_slots, |
5174 | sizeof(ctrl_info->io_request_pool[0]), GFP_KERNEL); | |
6c223761 KB |
5175 | |
5176 | if (!ctrl_info->io_request_pool) { | |
5177 | dev_err(&ctrl_info->pci_dev->dev, | |
5178 | "failed to allocate I/O request pool\n"); | |
5179 | goto error; | |
5180 | } | |
5181 | ||
5182 | dev = &ctrl_info->pci_dev->dev; | |
5183 | sg_chain_buffer_length = ctrl_info->sg_chain_buffer_length; | |
5184 | io_request = ctrl_info->io_request_pool; | |
5185 | ||
5186 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
583891c9 | 5187 | io_request->iu = kmalloc(ctrl_info->max_inbound_iu_length, GFP_KERNEL); |
6c223761 KB |
5188 | |
5189 | if (!io_request->iu) { | |
5190 | dev_err(&ctrl_info->pci_dev->dev, | |
5191 | "failed to allocate IU buffers\n"); | |
5192 | goto error; | |
5193 | } | |
5194 | ||
5195 | sg_chain_buffer = dma_alloc_coherent(dev, | |
5196 | sg_chain_buffer_length, &sg_chain_buffer_dma_handle, | |
5197 | GFP_KERNEL); | |
5198 | ||
5199 | if (!sg_chain_buffer) { | |
5200 | dev_err(&ctrl_info->pci_dev->dev, | |
5201 | "failed to allocate PQI scatter-gather chain buffers\n"); | |
5202 | goto error; | |
5203 | } | |
5204 | ||
5205 | io_request->index = i; | |
5206 | io_request->sg_chain_buffer = sg_chain_buffer; | |
583891c9 | 5207 | io_request->sg_chain_buffer_dma_handle = sg_chain_buffer_dma_handle; |
6c223761 KB |
5208 | io_request++; |
5209 | } | |
5210 | ||
5211 | return 0; | |
5212 | ||
5213 | error: | |
5214 | pqi_free_all_io_requests(ctrl_info); | |
5215 | ||
5216 | return -ENOMEM; | |
5217 | } | |
5218 | ||
5219 | /* | |
5220 | * Calculate required resources that are sized based on max. outstanding | |
5221 | * requests and max. transfer size. | |
5222 | */ | |
5223 | ||
5224 | static void pqi_calculate_io_resources(struct pqi_ctrl_info *ctrl_info) | |
5225 | { | |
5226 | u32 max_transfer_size; | |
5227 | u32 max_sg_entries; | |
5228 | ||
5229 | ctrl_info->scsi_ml_can_queue = | |
5230 | ctrl_info->max_outstanding_requests - PQI_RESERVED_IO_SLOTS; | |
5231 | ctrl_info->max_io_slots = ctrl_info->max_outstanding_requests; | |
5232 | ||
5233 | ctrl_info->error_buffer_length = | |
5234 | ctrl_info->max_io_slots * PQI_ERROR_BUFFER_ELEMENT_LENGTH; | |
5235 | ||
d727a776 KB |
5236 | if (reset_devices) |
5237 | max_transfer_size = min(ctrl_info->max_transfer_size, | |
5238 | PQI_MAX_TRANSFER_SIZE_KDUMP); | |
5239 | else | |
5240 | max_transfer_size = min(ctrl_info->max_transfer_size, | |
5241 | PQI_MAX_TRANSFER_SIZE); | |
6c223761 KB |
5242 | |
5243 | max_sg_entries = max_transfer_size / PAGE_SIZE; | |
5244 | ||
5245 | /* +1 to cover when the buffer is not page-aligned. */ | |
5246 | max_sg_entries++; | |
5247 | ||
5248 | max_sg_entries = min(ctrl_info->max_sg_entries, max_sg_entries); | |
5249 | ||
5250 | max_transfer_size = (max_sg_entries - 1) * PAGE_SIZE; | |
5251 | ||
5252 | ctrl_info->sg_chain_buffer_length = | |
e1d213bd KB |
5253 | (max_sg_entries * sizeof(struct pqi_sg_descriptor)) + |
5254 | PQI_EXTRA_SGL_MEMORY; | |
6c223761 KB |
5255 | ctrl_info->sg_tablesize = max_sg_entries; |
5256 | ctrl_info->max_sectors = max_transfer_size / 512; | |
5257 | } | |
5258 | ||
5259 | static void pqi_calculate_queue_resources(struct pqi_ctrl_info *ctrl_info) | |
5260 | { | |
6c223761 KB |
5261 | int num_queue_groups; |
5262 | u16 num_elements_per_iq; | |
5263 | u16 num_elements_per_oq; | |
5264 | ||
d727a776 KB |
5265 | if (reset_devices) { |
5266 | num_queue_groups = 1; | |
5267 | } else { | |
5268 | int num_cpus; | |
5269 | int max_queue_groups; | |
5270 | ||
5271 | max_queue_groups = min(ctrl_info->max_inbound_queues / 2, | |
5272 | ctrl_info->max_outbound_queues - 1); | |
5273 | max_queue_groups = min(max_queue_groups, PQI_MAX_QUEUE_GROUPS); | |
6c223761 | 5274 | |
d727a776 KB |
5275 | num_cpus = num_online_cpus(); |
5276 | num_queue_groups = min(num_cpus, ctrl_info->max_msix_vectors); | |
5277 | num_queue_groups = min(num_queue_groups, max_queue_groups); | |
5278 | } | |
6c223761 KB |
5279 | |
5280 | ctrl_info->num_queue_groups = num_queue_groups; | |
5281 | ||
77668f41 KB |
5282 | /* |
5283 | * Make sure that the max. inbound IU length is an even multiple | |
5284 | * of our inbound element length. | |
5285 | */ | |
5286 | ctrl_info->max_inbound_iu_length = | |
5287 | (ctrl_info->max_inbound_iu_length_per_firmware / | |
5288 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) * | |
5289 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH; | |
6c223761 KB |
5290 | |
5291 | num_elements_per_iq = | |
5292 | (ctrl_info->max_inbound_iu_length / | |
5293 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
5294 | ||
5295 | /* Add one because one element in each queue is unusable. */ | |
5296 | num_elements_per_iq++; | |
5297 | ||
5298 | num_elements_per_iq = min(num_elements_per_iq, | |
5299 | ctrl_info->max_elements_per_iq); | |
5300 | ||
5301 | num_elements_per_oq = ((num_elements_per_iq - 1) * 2) + 1; | |
5302 | num_elements_per_oq = min(num_elements_per_oq, | |
5303 | ctrl_info->max_elements_per_oq); | |
5304 | ||
5305 | ctrl_info->num_elements_per_iq = num_elements_per_iq; | |
5306 | ctrl_info->num_elements_per_oq = num_elements_per_oq; | |
5307 | ||
5308 | ctrl_info->max_sg_per_iu = | |
5309 | ((ctrl_info->max_inbound_iu_length - | |
5310 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / | |
5311 | sizeof(struct pqi_sg_descriptor)) + | |
5312 | PQI_MAX_EMBEDDED_SG_DESCRIPTORS; | |
6702d2c4 DB |
5313 | |
5314 | ctrl_info->max_sg_per_r56_iu = | |
5315 | ((ctrl_info->max_inbound_iu_length - | |
5316 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / | |
5317 | sizeof(struct pqi_sg_descriptor)) + | |
5318 | PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS; | |
6c223761 KB |
5319 | } |
5320 | ||
583891c9 KB |
5321 | static inline void pqi_set_sg_descriptor(struct pqi_sg_descriptor *sg_descriptor, |
5322 | struct scatterlist *sg) | |
6c223761 KB |
5323 | { |
5324 | u64 address = (u64)sg_dma_address(sg); | |
5325 | unsigned int length = sg_dma_len(sg); | |
5326 | ||
5327 | put_unaligned_le64(address, &sg_descriptor->address); | |
5328 | put_unaligned_le32(length, &sg_descriptor->length); | |
5329 | put_unaligned_le32(0, &sg_descriptor->flags); | |
5330 | } | |
5331 | ||
1a22bc4b DB |
5332 | static unsigned int pqi_build_sg_list(struct pqi_sg_descriptor *sg_descriptor, |
5333 | struct scatterlist *sg, int sg_count, struct pqi_io_request *io_request, | |
5334 | int max_sg_per_iu, bool *chained) | |
6c223761 KB |
5335 | { |
5336 | int i; | |
6c223761 | 5337 | unsigned int num_sg_in_iu; |
6c223761 | 5338 | |
1a22bc4b | 5339 | *chained = false; |
6c223761 | 5340 | i = 0; |
1a22bc4b DB |
5341 | num_sg_in_iu = 0; |
5342 | max_sg_per_iu--; /* Subtract 1 to leave room for chain marker. */ | |
6c223761 KB |
5343 | |
5344 | while (1) { | |
5345 | pqi_set_sg_descriptor(sg_descriptor, sg); | |
1a22bc4b | 5346 | if (!*chained) |
6c223761 KB |
5347 | num_sg_in_iu++; |
5348 | i++; | |
5349 | if (i == sg_count) | |
5350 | break; | |
5351 | sg_descriptor++; | |
5352 | if (i == max_sg_per_iu) { | |
1a22bc4b | 5353 | put_unaligned_le64((u64)io_request->sg_chain_buffer_dma_handle, |
6c223761 | 5354 | &sg_descriptor->address); |
1a22bc4b | 5355 | put_unaligned_le32((sg_count - num_sg_in_iu) * sizeof(*sg_descriptor), |
6c223761 | 5356 | &sg_descriptor->length); |
1a22bc4b DB |
5357 | put_unaligned_le32(CISS_SG_CHAIN, &sg_descriptor->flags); |
5358 | *chained = true; | |
6c223761 KB |
5359 | num_sg_in_iu++; |
5360 | sg_descriptor = io_request->sg_chain_buffer; | |
5361 | } | |
5362 | sg = sg_next(sg); | |
5363 | } | |
5364 | ||
5365 | put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); | |
6c223761 | 5366 | |
1a22bc4b | 5367 | return num_sg_in_iu; |
6c223761 KB |
5368 | } |
5369 | ||
6c223761 KB |
5370 | static int pqi_build_raid_sg_list(struct pqi_ctrl_info *ctrl_info, |
5371 | struct pqi_raid_path_request *request, struct scsi_cmnd *scmd, | |
6c223761 KB |
5372 | struct pqi_io_request *io_request) |
5373 | { | |
6c223761 KB |
5374 | u16 iu_length; |
5375 | int sg_count; | |
a60eec02 KB |
5376 | bool chained; |
5377 | unsigned int num_sg_in_iu; | |
6c223761 KB |
5378 | struct scatterlist *sg; |
5379 | struct pqi_sg_descriptor *sg_descriptor; | |
5380 | ||
5381 | sg_count = scsi_dma_map(scmd); | |
5382 | if (sg_count < 0) | |
5383 | return sg_count; | |
a60eec02 | 5384 | |
6c223761 | 5385 | iu_length = offsetof(struct pqi_raid_path_request, sg_descriptors) - |
a60eec02 | 5386 | PQI_REQUEST_HEADER_LENGTH; |
a60eec02 | 5387 | |
6c223761 KB |
5388 | if (sg_count == 0) |
5389 | goto out; | |
5390 | ||
a60eec02 KB |
5391 | sg = scsi_sglist(scmd); |
5392 | sg_descriptor = request->sg_descriptors; | |
a60eec02 | 5393 | |
1a22bc4b DB |
5394 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, |
5395 | ctrl_info->max_sg_per_iu, &chained); | |
6c223761 | 5396 | |
a60eec02 | 5397 | request->partial = chained; |
6c223761 | 5398 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); |
a60eec02 KB |
5399 | |
5400 | out: | |
6c223761 | 5401 | put_unaligned_le16(iu_length, &request->header.iu_length); |
6c223761 KB |
5402 | |
5403 | return 0; | |
5404 | } | |
5405 | ||
7a012c23 DB |
5406 | static int pqi_build_aio_r1_sg_list(struct pqi_ctrl_info *ctrl_info, |
5407 | struct pqi_aio_r1_path_request *request, struct scsi_cmnd *scmd, | |
5408 | struct pqi_io_request *io_request) | |
6c223761 | 5409 | { |
7a012c23 DB |
5410 | u16 iu_length; |
5411 | int sg_count; | |
5412 | bool chained; | |
5413 | unsigned int num_sg_in_iu; | |
5414 | struct scatterlist *sg; | |
5415 | struct pqi_sg_descriptor *sg_descriptor; | |
5416 | ||
5417 | sg_count = scsi_dma_map(scmd); | |
5418 | if (sg_count < 0) | |
5419 | return sg_count; | |
5420 | ||
5421 | iu_length = offsetof(struct pqi_aio_r1_path_request, sg_descriptors) - | |
5422 | PQI_REQUEST_HEADER_LENGTH; | |
5423 | num_sg_in_iu = 0; | |
5424 | ||
5425 | if (sg_count == 0) | |
5426 | goto out; | |
5427 | ||
5428 | sg = scsi_sglist(scmd); | |
5429 | sg_descriptor = request->sg_descriptors; | |
5430 | ||
5431 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, | |
5432 | ctrl_info->max_sg_per_iu, &chained); | |
5433 | ||
5434 | request->partial = chained; | |
5435 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); | |
5436 | ||
5437 | out: | |
5438 | put_unaligned_le16(iu_length, &request->header.iu_length); | |
5439 | request->num_sg_descriptors = num_sg_in_iu; | |
5440 | ||
5441 | return 0; | |
5442 | } | |
5443 | ||
6702d2c4 DB |
5444 | static int pqi_build_aio_r56_sg_list(struct pqi_ctrl_info *ctrl_info, |
5445 | struct pqi_aio_r56_path_request *request, struct scsi_cmnd *scmd, | |
5446 | struct pqi_io_request *io_request) | |
5447 | { | |
5448 | u16 iu_length; | |
5449 | int sg_count; | |
5450 | bool chained; | |
5451 | unsigned int num_sg_in_iu; | |
5452 | struct scatterlist *sg; | |
5453 | struct pqi_sg_descriptor *sg_descriptor; | |
5454 | ||
5455 | sg_count = scsi_dma_map(scmd); | |
5456 | if (sg_count < 0) | |
5457 | return sg_count; | |
5458 | ||
5459 | iu_length = offsetof(struct pqi_aio_r56_path_request, sg_descriptors) - | |
5460 | PQI_REQUEST_HEADER_LENGTH; | |
5461 | num_sg_in_iu = 0; | |
5462 | ||
5463 | if (sg_count != 0) { | |
5464 | sg = scsi_sglist(scmd); | |
5465 | sg_descriptor = request->sg_descriptors; | |
5466 | ||
5467 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, | |
5468 | ctrl_info->max_sg_per_r56_iu, &chained); | |
5469 | ||
5470 | request->partial = chained; | |
5471 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); | |
5472 | } | |
5473 | ||
5474 | put_unaligned_le16(iu_length, &request->header.iu_length); | |
5475 | request->num_sg_descriptors = num_sg_in_iu; | |
5476 | ||
5477 | return 0; | |
5478 | } | |
5479 | ||
6c223761 KB |
5480 | static int pqi_build_aio_sg_list(struct pqi_ctrl_info *ctrl_info, |
5481 | struct pqi_aio_path_request *request, struct scsi_cmnd *scmd, | |
5482 | struct pqi_io_request *io_request) | |
5483 | { | |
6c223761 KB |
5484 | u16 iu_length; |
5485 | int sg_count; | |
a60eec02 KB |
5486 | bool chained; |
5487 | unsigned int num_sg_in_iu; | |
6c223761 KB |
5488 | struct scatterlist *sg; |
5489 | struct pqi_sg_descriptor *sg_descriptor; | |
5490 | ||
5491 | sg_count = scsi_dma_map(scmd); | |
5492 | if (sg_count < 0) | |
5493 | return sg_count; | |
a60eec02 KB |
5494 | |
5495 | iu_length = offsetof(struct pqi_aio_path_request, sg_descriptors) - | |
5496 | PQI_REQUEST_HEADER_LENGTH; | |
5497 | num_sg_in_iu = 0; | |
5498 | ||
6c223761 KB |
5499 | if (sg_count == 0) |
5500 | goto out; | |
5501 | ||
a60eec02 KB |
5502 | sg = scsi_sglist(scmd); |
5503 | sg_descriptor = request->sg_descriptors; | |
a60eec02 | 5504 | |
1a22bc4b DB |
5505 | num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, |
5506 | ctrl_info->max_sg_per_iu, &chained); | |
6c223761 | 5507 | |
a60eec02 | 5508 | request->partial = chained; |
6c223761 | 5509 | iu_length += num_sg_in_iu * sizeof(*sg_descriptor); |
a60eec02 KB |
5510 | |
5511 | out: | |
6c223761 KB |
5512 | put_unaligned_le16(iu_length, &request->header.iu_length); |
5513 | request->num_sg_descriptors = num_sg_in_iu; | |
5514 | ||
5515 | return 0; | |
5516 | } | |
5517 | ||
5518 | static void pqi_raid_io_complete(struct pqi_io_request *io_request, | |
5519 | void *context) | |
5520 | { | |
5521 | struct scsi_cmnd *scmd; | |
5522 | ||
5523 | scmd = io_request->scmd; | |
5524 | pqi_free_io_request(io_request); | |
5525 | scsi_dma_unmap(scmd); | |
5526 | pqi_scsi_done(scmd); | |
5527 | } | |
5528 | ||
68f79204 | 5529 | static int pqi_raid_submit_io(struct pqi_ctrl_info *ctrl_info, |
6c223761 | 5530 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, |
68f79204 | 5531 | struct pqi_queue_group *queue_group, bool io_high_prio) |
6c223761 KB |
5532 | { |
5533 | int rc; | |
5534 | size_t cdb_length; | |
68f79204 | 5535 | struct pqi_io_request *io_request; |
6c223761 KB |
5536 | struct pqi_raid_path_request *request; |
5537 | ||
68f79204 GW |
5538 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5539 | if (!io_request) | |
5540 | return SCSI_MLQUEUE_HOST_BUSY; | |
5541 | ||
6c223761 KB |
5542 | io_request->io_complete_callback = pqi_raid_io_complete; |
5543 | io_request->scmd = scmd; | |
5544 | ||
6c223761 | 5545 | request = io_request->iu; |
583891c9 | 5546 | memset(request, 0, offsetof(struct pqi_raid_path_request, sg_descriptors)); |
6c223761 KB |
5547 | |
5548 | request->header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
5549 | put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); | |
5550 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
68f79204 | 5551 | request->command_priority = io_high_prio; |
6c223761 KB |
5552 | put_unaligned_le16(io_request->index, &request->request_id); |
5553 | request->error_index = request->request_id; | |
583891c9 | 5554 | memcpy(request->lun_number, device->scsi3addr, sizeof(request->lun_number)); |
904f2bfd | 5555 | request->ml_device_lun_number = (u8)scmd->device->lun; |
6c223761 KB |
5556 | |
5557 | cdb_length = min_t(size_t, scmd->cmd_len, sizeof(request->cdb)); | |
5558 | memcpy(request->cdb, scmd->cmnd, cdb_length); | |
5559 | ||
5560 | switch (cdb_length) { | |
5561 | case 6: | |
5562 | case 10: | |
5563 | case 12: | |
5564 | case 16: | |
583891c9 | 5565 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; |
6c223761 KB |
5566 | break; |
5567 | case 20: | |
583891c9 | 5568 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_4; |
6c223761 KB |
5569 | break; |
5570 | case 24: | |
583891c9 | 5571 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_8; |
6c223761 KB |
5572 | break; |
5573 | case 28: | |
583891c9 | 5574 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_12; |
6c223761 KB |
5575 | break; |
5576 | case 32: | |
5577 | default: | |
583891c9 | 5578 | request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_16; |
6c223761 KB |
5579 | break; |
5580 | } | |
5581 | ||
5582 | switch (scmd->sc_data_direction) { | |
69695aea | 5583 | case DMA_FROM_DEVICE: |
6c223761 KB |
5584 | request->data_direction = SOP_READ_FLAG; |
5585 | break; | |
69695aea | 5586 | case DMA_TO_DEVICE: |
6c223761 KB |
5587 | request->data_direction = SOP_WRITE_FLAG; |
5588 | break; | |
5589 | case DMA_NONE: | |
5590 | request->data_direction = SOP_NO_DIRECTION_FLAG; | |
5591 | break; | |
5592 | case DMA_BIDIRECTIONAL: | |
5593 | request->data_direction = SOP_BIDIRECTIONAL; | |
5594 | break; | |
5595 | default: | |
5596 | dev_err(&ctrl_info->pci_dev->dev, | |
5597 | "unknown data direction: %d\n", | |
5598 | scmd->sc_data_direction); | |
6c223761 KB |
5599 | break; |
5600 | } | |
5601 | ||
5602 | rc = pqi_build_raid_sg_list(ctrl_info, request, scmd, io_request); | |
5603 | if (rc) { | |
5604 | pqi_free_io_request(io_request); | |
5605 | return SCSI_MLQUEUE_HOST_BUSY; | |
5606 | } | |
5607 | ||
5608 | pqi_start_io(ctrl_info, queue_group, RAID_PATH, io_request); | |
5609 | ||
5610 | return 0; | |
5611 | } | |
5612 | ||
376fb880 KB |
5613 | static inline int pqi_raid_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, |
5614 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
5615 | struct pqi_queue_group *queue_group) | |
5616 | { | |
68f79204 | 5617 | bool io_high_prio; |
376fb880 | 5618 | |
68f79204 | 5619 | io_high_prio = pqi_is_io_high_priority(device, scmd); |
376fb880 | 5620 | |
68f79204 | 5621 | return pqi_raid_submit_io(ctrl_info, device, scmd, queue_group, io_high_prio); |
376fb880 KB |
5622 | } |
5623 | ||
376fb880 KB |
5624 | static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request) |
5625 | { | |
5626 | struct scsi_cmnd *scmd; | |
03b288cf | 5627 | struct pqi_scsi_dev *device; |
376fb880 KB |
5628 | struct pqi_ctrl_info *ctrl_info; |
5629 | ||
5630 | if (!io_request->raid_bypass) | |
5631 | return false; | |
5632 | ||
5633 | scmd = io_request->scmd; | |
5634 | if ((scmd->result & 0xff) == SAM_STAT_GOOD) | |
5635 | return false; | |
5636 | if (host_byte(scmd->result) == DID_NO_CONNECT) | |
5637 | return false; | |
5638 | ||
03b288cf | 5639 | device = scmd->device->hostdata; |
5be9db06 | 5640 | if (pqi_device_offline(device) || pqi_device_in_remove(device)) |
03b288cf KB |
5641 | return false; |
5642 | ||
376fb880 KB |
5643 | ctrl_info = shost_to_hba(scmd->device->host); |
5644 | if (pqi_ctrl_offline(ctrl_info)) | |
5645 | return false; | |
5646 | ||
5647 | return true; | |
5648 | } | |
5649 | ||
6c223761 KB |
5650 | static void pqi_aio_io_complete(struct pqi_io_request *io_request, |
5651 | void *context) | |
5652 | { | |
5653 | struct scsi_cmnd *scmd; | |
5654 | ||
5655 | scmd = io_request->scmd; | |
5656 | scsi_dma_unmap(scmd); | |
5be9db06 | 5657 | if (io_request->status == -EAGAIN || pqi_raid_bypass_retry_needed(io_request)) { |
6c223761 | 5658 | set_host_byte(scmd, DID_IMM_RETRY); |
c1ea387d | 5659 | pqi_cmd_priv(scmd)->this_residual++; |
376fb880 | 5660 | } |
5be9db06 | 5661 | |
6c223761 KB |
5662 | pqi_free_io_request(io_request); |
5663 | pqi_scsi_done(scmd); | |
5664 | } | |
5665 | ||
5666 | static inline int pqi_aio_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, | |
5667 | struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, | |
5668 | struct pqi_queue_group *queue_group) | |
5669 | { | |
2a47834d GW |
5670 | bool io_high_prio; |
5671 | ||
68f79204 | 5672 | io_high_prio = pqi_is_io_high_priority(device, scmd); |
b4dc06a9 | 5673 | |
6c223761 | 5674 | return pqi_aio_submit_io(ctrl_info, scmd, device->aio_handle, |
2a47834d GW |
5675 | scmd->cmnd, scmd->cmd_len, queue_group, NULL, |
5676 | false, io_high_prio); | |
6c223761 KB |
5677 | } |
5678 | ||
5679 | static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, | |
5680 | struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, | |
5681 | unsigned int cdb_length, struct pqi_queue_group *queue_group, | |
2a47834d GW |
5682 | struct pqi_encryption_info *encryption_info, bool raid_bypass, |
5683 | bool io_high_prio) | |
6c223761 KB |
5684 | { |
5685 | int rc; | |
5686 | struct pqi_io_request *io_request; | |
5687 | struct pqi_aio_path_request *request; | |
5688 | ||
b27ac2fa DB |
5689 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5690 | if (!io_request) | |
5691 | return SCSI_MLQUEUE_HOST_BUSY; | |
68f79204 | 5692 | |
6c223761 KB |
5693 | io_request->io_complete_callback = pqi_aio_io_complete; |
5694 | io_request->scmd = scmd; | |
376fb880 | 5695 | io_request->raid_bypass = raid_bypass; |
6c223761 KB |
5696 | |
5697 | request = io_request->iu; | |
9e98e60b | 5698 | memset(request, 0, offsetof(struct pqi_aio_path_request, sg_descriptors)); |
6c223761 KB |
5699 | |
5700 | request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_IO; | |
5701 | put_unaligned_le32(aio_handle, &request->nexus_id); | |
5702 | put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); | |
5703 | request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
2a47834d | 5704 | request->command_priority = io_high_prio; |
6c223761 KB |
5705 | put_unaligned_le16(io_request->index, &request->request_id); |
5706 | request->error_index = request->request_id; | |
dad662c9 DS |
5707 | if (!raid_bypass && ctrl_info->multi_lun_device_supported) |
5708 | put_unaligned_le64(scmd->device->lun << 8, &request->lun_number); | |
6c223761 KB |
5709 | if (cdb_length > sizeof(request->cdb)) |
5710 | cdb_length = sizeof(request->cdb); | |
5711 | request->cdb_length = cdb_length; | |
5712 | memcpy(request->cdb, cdb, cdb_length); | |
5713 | ||
5714 | switch (scmd->sc_data_direction) { | |
5715 | case DMA_TO_DEVICE: | |
5716 | request->data_direction = SOP_READ_FLAG; | |
5717 | break; | |
5718 | case DMA_FROM_DEVICE: | |
5719 | request->data_direction = SOP_WRITE_FLAG; | |
5720 | break; | |
5721 | case DMA_NONE: | |
5722 | request->data_direction = SOP_NO_DIRECTION_FLAG; | |
5723 | break; | |
5724 | case DMA_BIDIRECTIONAL: | |
5725 | request->data_direction = SOP_BIDIRECTIONAL; | |
5726 | break; | |
5727 | default: | |
5728 | dev_err(&ctrl_info->pci_dev->dev, | |
5729 | "unknown data direction: %d\n", | |
5730 | scmd->sc_data_direction); | |
6c223761 KB |
5731 | break; |
5732 | } | |
5733 | ||
5734 | if (encryption_info) { | |
5735 | request->encryption_enable = true; | |
5736 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5737 | &request->data_encryption_key_index); | |
5738 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5739 | &request->encrypt_tweak_lower); | |
5740 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5741 | &request->encrypt_tweak_upper); | |
5742 | } | |
5743 | ||
5744 | rc = pqi_build_aio_sg_list(ctrl_info, request, scmd, io_request); | |
5745 | if (rc) { | |
5746 | pqi_free_io_request(io_request); | |
5747 | return SCSI_MLQUEUE_HOST_BUSY; | |
5748 | } | |
5749 | ||
5750 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5751 | ||
5752 | return 0; | |
5753 | } | |
5754 | ||
7a012c23 DB |
5755 | static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, |
5756 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
5757 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
5758 | struct pqi_scsi_dev_raid_map_data *rmd) | |
7a012c23 DB |
5759 | { |
5760 | int rc; | |
5761 | struct pqi_io_request *io_request; | |
5762 | struct pqi_aio_r1_path_request *r1_request; | |
5763 | ||
b27ac2fa DB |
5764 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5765 | if (!io_request) | |
5766 | return SCSI_MLQUEUE_HOST_BUSY; | |
5767 | ||
7a012c23 DB |
5768 | io_request->io_complete_callback = pqi_aio_io_complete; |
5769 | io_request->scmd = scmd; | |
5770 | io_request->raid_bypass = true; | |
5771 | ||
5772 | r1_request = io_request->iu; | |
5773 | memset(r1_request, 0, offsetof(struct pqi_aio_r1_path_request, sg_descriptors)); | |
5774 | ||
5775 | r1_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID1_IO; | |
7a012c23 DB |
5776 | put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r1_request->volume_id); |
5777 | r1_request->num_drives = rmd->num_it_nexus_entries; | |
5778 | put_unaligned_le32(rmd->it_nexus[0], &r1_request->it_nexus_1); | |
5779 | put_unaligned_le32(rmd->it_nexus[1], &r1_request->it_nexus_2); | |
5780 | if (rmd->num_it_nexus_entries == 3) | |
5781 | put_unaligned_le32(rmd->it_nexus[2], &r1_request->it_nexus_3); | |
5782 | ||
5783 | put_unaligned_le32(scsi_bufflen(scmd), &r1_request->data_length); | |
5784 | r1_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5785 | put_unaligned_le16(io_request->index, &r1_request->request_id); | |
5786 | r1_request->error_index = r1_request->request_id; | |
5787 | if (rmd->cdb_length > sizeof(r1_request->cdb)) | |
5788 | rmd->cdb_length = sizeof(r1_request->cdb); | |
5789 | r1_request->cdb_length = rmd->cdb_length; | |
5790 | memcpy(r1_request->cdb, rmd->cdb, rmd->cdb_length); | |
5791 | ||
5792 | /* The direction is always write. */ | |
5793 | r1_request->data_direction = SOP_READ_FLAG; | |
5794 | ||
5795 | if (encryption_info) { | |
5796 | r1_request->encryption_enable = true; | |
5797 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5798 | &r1_request->data_encryption_key_index); | |
5799 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5800 | &r1_request->encrypt_tweak_lower); | |
5801 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5802 | &r1_request->encrypt_tweak_upper); | |
5803 | } | |
5804 | ||
5805 | rc = pqi_build_aio_r1_sg_list(ctrl_info, r1_request, scmd, io_request); | |
5806 | if (rc) { | |
5807 | pqi_free_io_request(io_request); | |
5808 | return SCSI_MLQUEUE_HOST_BUSY; | |
5809 | } | |
5810 | ||
5811 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5812 | ||
5813 | return 0; | |
5814 | } | |
5815 | ||
6702d2c4 DB |
5816 | static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, |
5817 | struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, | |
5818 | struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, | |
5819 | struct pqi_scsi_dev_raid_map_data *rmd) | |
5820 | { | |
5821 | int rc; | |
5822 | struct pqi_io_request *io_request; | |
5823 | struct pqi_aio_r56_path_request *r56_request; | |
5824 | ||
b27ac2fa DB |
5825 | io_request = pqi_alloc_io_request(ctrl_info, scmd); |
5826 | if (!io_request) | |
5827 | return SCSI_MLQUEUE_HOST_BUSY; | |
6702d2c4 DB |
5828 | io_request->io_complete_callback = pqi_aio_io_complete; |
5829 | io_request->scmd = scmd; | |
5830 | io_request->raid_bypass = true; | |
5831 | ||
5832 | r56_request = io_request->iu; | |
5833 | memset(r56_request, 0, offsetof(struct pqi_aio_r56_path_request, sg_descriptors)); | |
5834 | ||
5835 | if (device->raid_level == SA_RAID_5 || device->raid_level == SA_RAID_51) | |
5836 | r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID5_IO; | |
5837 | else | |
5838 | r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID6_IO; | |
5839 | ||
5840 | put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r56_request->volume_id); | |
5841 | put_unaligned_le32(rmd->aio_handle, &r56_request->data_it_nexus); | |
5842 | put_unaligned_le32(rmd->p_parity_it_nexus, &r56_request->p_parity_it_nexus); | |
5843 | if (rmd->raid_level == SA_RAID_6) { | |
5844 | put_unaligned_le32(rmd->q_parity_it_nexus, &r56_request->q_parity_it_nexus); | |
5845 | r56_request->xor_multiplier = rmd->xor_mult; | |
5846 | } | |
5847 | put_unaligned_le32(scsi_bufflen(scmd), &r56_request->data_length); | |
5848 | r56_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
5849 | put_unaligned_le64(rmd->row, &r56_request->row); | |
5850 | ||
5851 | put_unaligned_le16(io_request->index, &r56_request->request_id); | |
5852 | r56_request->error_index = r56_request->request_id; | |
5853 | ||
5854 | if (rmd->cdb_length > sizeof(r56_request->cdb)) | |
5855 | rmd->cdb_length = sizeof(r56_request->cdb); | |
5856 | r56_request->cdb_length = rmd->cdb_length; | |
5857 | memcpy(r56_request->cdb, rmd->cdb, rmd->cdb_length); | |
5858 | ||
5859 | /* The direction is always write. */ | |
5860 | r56_request->data_direction = SOP_READ_FLAG; | |
5861 | ||
5862 | if (encryption_info) { | |
5863 | r56_request->encryption_enable = true; | |
5864 | put_unaligned_le16(encryption_info->data_encryption_key_index, | |
5865 | &r56_request->data_encryption_key_index); | |
5866 | put_unaligned_le32(encryption_info->encrypt_tweak_lower, | |
5867 | &r56_request->encrypt_tweak_lower); | |
5868 | put_unaligned_le32(encryption_info->encrypt_tweak_upper, | |
5869 | &r56_request->encrypt_tweak_upper); | |
5870 | } | |
5871 | ||
5872 | rc = pqi_build_aio_r56_sg_list(ctrl_info, r56_request, scmd, io_request); | |
5873 | if (rc) { | |
5874 | pqi_free_io_request(io_request); | |
5875 | return SCSI_MLQUEUE_HOST_BUSY; | |
5876 | } | |
5877 | ||
5878 | pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); | |
5879 | ||
5880 | return 0; | |
5881 | } | |
5882 | ||
061ef06a KB |
5883 | static inline u16 pqi_get_hw_queue(struct pqi_ctrl_info *ctrl_info, |
5884 | struct scsi_cmnd *scmd) | |
5885 | { | |
b27ac2fa DB |
5886 | /* |
5887 | * We are setting host_tagset = 1 during init. | |
5888 | */ | |
5889 | return blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(scsi_cmd_to_rq(scmd))); | |
061ef06a KB |
5890 | } |
5891 | ||
5be9db06 KB |
5892 | static inline bool pqi_is_bypass_eligible_request(struct scsi_cmnd *scmd) |
5893 | { | |
12db0f93 | 5894 | if (blk_rq_is_passthrough(scsi_cmd_to_rq(scmd))) |
5be9db06 KB |
5895 | return false; |
5896 | ||
c1ea387d | 5897 | return pqi_cmd_priv(scmd)->this_residual == 0; |
5be9db06 KB |
5898 | } |
5899 | ||
7561a7e4 KB |
5900 | /* |
5901 | * This function gets called just before we hand the completed SCSI request | |
5902 | * back to the SML. | |
5903 | */ | |
5904 | ||
5905 | void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd) | |
5906 | { | |
5907 | struct pqi_scsi_dev *device; | |
153c45dd | 5908 | struct completion *wait; |
7561a7e4 | 5909 | |
1e46731e MR |
5910 | if (!scmd->device) { |
5911 | set_host_byte(scmd, DID_NO_CONNECT); | |
5912 | return; | |
5913 | } | |
5914 | ||
7561a7e4 | 5915 | device = scmd->device->hostdata; |
1e46731e MR |
5916 | if (!device) { |
5917 | set_host_byte(scmd, DID_NO_CONNECT); | |
5918 | return; | |
5919 | } | |
5920 | ||
904f2bfd | 5921 | atomic_dec(&device->scsi_cmds_outstanding[scmd->device->lun]); |
153c45dd KB |
5922 | |
5923 | wait = (struct completion *)xchg(&scmd->host_scribble, NULL); | |
5924 | if (wait != PQI_NO_COMPLETION) | |
5925 | complete(wait); | |
7561a7e4 KB |
5926 | } |
5927 | ||
c7ffedb3 | 5928 | static bool pqi_is_parity_write_stream(struct pqi_ctrl_info *ctrl_info, |
7d81d2b8 | 5929 | struct scsi_cmnd *scmd) |
c7ffedb3 DB |
5930 | { |
5931 | u32 oldest_jiffies; | |
5932 | u8 lru_index; | |
5933 | int i; | |
5934 | int rc; | |
5935 | struct pqi_scsi_dev *device; | |
5936 | struct pqi_stream_data *pqi_stream_data; | |
5937 | struct pqi_scsi_dev_raid_map_data rmd; | |
5938 | ||
5939 | if (!ctrl_info->enable_stream_detection) | |
5940 | return false; | |
5941 | ||
5942 | rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); | |
5943 | if (rc) | |
5944 | return false; | |
5945 | ||
5946 | /* Check writes only. */ | |
5947 | if (!rmd.is_write) | |
5948 | return false; | |
5949 | ||
5950 | device = scmd->device->hostdata; | |
5951 | ||
5952 | /* Check for RAID 5/6 streams. */ | |
5953 | if (device->raid_level != SA_RAID_5 && device->raid_level != SA_RAID_6) | |
5954 | return false; | |
5955 | ||
5956 | /* | |
5957 | * If controller does not support AIO RAID{5,6} writes, need to send | |
5958 | * requests down non-AIO path. | |
5959 | */ | |
5960 | if ((device->raid_level == SA_RAID_5 && !ctrl_info->enable_r5_writes) || | |
5961 | (device->raid_level == SA_RAID_6 && !ctrl_info->enable_r6_writes)) | |
5962 | return true; | |
5963 | ||
5964 | lru_index = 0; | |
5965 | oldest_jiffies = INT_MAX; | |
5966 | for (i = 0; i < NUM_STREAMS_PER_LUN; i++) { | |
5967 | pqi_stream_data = &device->stream_data[i]; | |
5968 | /* | |
5969 | * Check for adjacent request or request is within | |
5970 | * the previous request. | |
5971 | */ | |
5972 | if ((pqi_stream_data->next_lba && | |
5973 | rmd.first_block >= pqi_stream_data->next_lba) && | |
5974 | rmd.first_block <= pqi_stream_data->next_lba + | |
5975 | rmd.block_cnt) { | |
5976 | pqi_stream_data->next_lba = rmd.first_block + | |
5977 | rmd.block_cnt; | |
5978 | pqi_stream_data->last_accessed = jiffies; | |
5979 | return true; | |
5980 | } | |
5981 | ||
5982 | /* unused entry */ | |
5983 | if (pqi_stream_data->last_accessed == 0) { | |
5984 | lru_index = i; | |
5985 | break; | |
5986 | } | |
5987 | ||
5988 | /* Find entry with oldest last accessed time. */ | |
5989 | if (pqi_stream_data->last_accessed <= oldest_jiffies) { | |
5990 | oldest_jiffies = pqi_stream_data->last_accessed; | |
5991 | lru_index = i; | |
5992 | } | |
5993 | } | |
5994 | ||
5995 | /* Set LRU entry. */ | |
5996 | pqi_stream_data = &device->stream_data[lru_index]; | |
5997 | pqi_stream_data->last_accessed = jiffies; | |
5998 | pqi_stream_data->next_lba = rmd.first_block + rmd.block_cnt; | |
5999 | ||
6000 | return false; | |
6001 | } | |
6002 | ||
6003 | static int pqi_scsi_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) | |
6c223761 KB |
6004 | { |
6005 | int rc; | |
6006 | struct pqi_ctrl_info *ctrl_info; | |
6007 | struct pqi_scsi_dev *device; | |
061ef06a | 6008 | u16 hw_queue; |
6c223761 KB |
6009 | struct pqi_queue_group *queue_group; |
6010 | bool raid_bypassed; | |
153c45dd KB |
6011 | u8 lun; |
6012 | ||
6013 | scmd->host_scribble = PQI_NO_COMPLETION; | |
6c223761 KB |
6014 | |
6015 | device = scmd->device->hostdata; | |
6c223761 | 6016 | |
1e46731e MR |
6017 | if (!device) { |
6018 | set_host_byte(scmd, DID_NO_CONNECT); | |
6019 | pqi_scsi_done(scmd); | |
6020 | return 0; | |
6021 | } | |
6022 | ||
153c45dd KB |
6023 | lun = (u8)scmd->device->lun; |
6024 | ||
6025 | atomic_inc(&device->scsi_cmds_outstanding[lun]); | |
7561a7e4 | 6026 | |
583891c9 KB |
6027 | ctrl_info = shost_to_hba(shost); |
6028 | ||
1bdf6e93 | 6029 | if (pqi_ctrl_offline(ctrl_info) || pqi_device_in_remove(device)) { |
6c223761 KB |
6030 | set_host_byte(scmd, DID_NO_CONNECT); |
6031 | pqi_scsi_done(scmd); | |
6032 | return 0; | |
6033 | } | |
6034 | ||
153c45dd | 6035 | if (pqi_ctrl_blocked(ctrl_info) || pqi_device_in_reset(device, lun)) { |
7561a7e4 KB |
6036 | rc = SCSI_MLQUEUE_HOST_BUSY; |
6037 | goto out; | |
6038 | } | |
6039 | ||
7d81d2b8 KB |
6040 | /* |
6041 | * This is necessary because the SML doesn't zero out this field during | |
6042 | * error recovery. | |
6043 | */ | |
6044 | scmd->result = 0; | |
6045 | ||
061ef06a KB |
6046 | hw_queue = pqi_get_hw_queue(ctrl_info, scmd); |
6047 | queue_group = &ctrl_info->queue_groups[hw_queue]; | |
6c223761 KB |
6048 | |
6049 | if (pqi_is_logical_device(device)) { | |
6050 | raid_bypassed = false; | |
588a63fe | 6051 | if (device->raid_bypass_enabled && |
5be9db06 KB |
6052 | pqi_is_bypass_eligible_request(scmd) && |
6053 | !pqi_is_parity_write_stream(ctrl_info, scmd)) { | |
6054 | rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); | |
8b664fef | 6055 | if (rc == 0 || rc == SCSI_MLQUEUE_HOST_BUSY) { |
376fb880 | 6056 | raid_bypassed = true; |
80d560d9 | 6057 | device->raid_bypass_cnt++; |
8b664fef | 6058 | } |
6c223761 KB |
6059 | } |
6060 | if (!raid_bypassed) | |
8b664fef | 6061 | rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 KB |
6062 | } else { |
6063 | if (device->aio_enabled) | |
8b664fef | 6064 | rc = pqi_aio_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 | 6065 | else |
8b664fef | 6066 | rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); |
6c223761 KB |
6067 | } |
6068 | ||
7561a7e4 | 6069 | out: |
153c45dd KB |
6070 | if (rc) { |
6071 | scmd->host_scribble = NULL; | |
6072 | atomic_dec(&device->scsi_cmds_outstanding[lun]); | |
6073 | } | |
7561a7e4 | 6074 | |
6c223761 KB |
6075 | return rc; |
6076 | } | |
6077 | ||
6ce1ddf5 | 6078 | static unsigned int pqi_queued_io_count(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 6079 | { |
6ce1ddf5 | 6080 | unsigned int i; |
7561a7e4 KB |
6081 | unsigned int path; |
6082 | unsigned long flags; | |
6ce1ddf5 KB |
6083 | unsigned int queued_io_count; |
6084 | struct pqi_queue_group *queue_group; | |
6085 | struct pqi_io_request *io_request; | |
7561a7e4 | 6086 | |
6ce1ddf5 KB |
6087 | queued_io_count = 0; |
6088 | ||
6089 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
6090 | queue_group = &ctrl_info->queue_groups[i]; | |
6091 | for (path = 0; path < 2; path++) { | |
6092 | spin_lock_irqsave(&queue_group->submit_lock[path], flags); | |
6093 | list_for_each_entry(io_request, &queue_group->request_list[path], request_list_entry) | |
6094 | queued_io_count++; | |
6095 | spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); | |
7561a7e4 KB |
6096 | } |
6097 | } | |
6098 | ||
6ce1ddf5 | 6099 | return queued_io_count; |
7561a7e4 KB |
6100 | } |
6101 | ||
6ce1ddf5 | 6102 | static unsigned int pqi_nonempty_inbound_queue_count(struct pqi_ctrl_info *ctrl_info) |
7561a7e4 | 6103 | { |
7561a7e4 KB |
6104 | unsigned int i; |
6105 | unsigned int path; | |
6ce1ddf5 | 6106 | unsigned int nonempty_inbound_queue_count; |
7561a7e4 KB |
6107 | struct pqi_queue_group *queue_group; |
6108 | pqi_index_t iq_pi; | |
6109 | pqi_index_t iq_ci; | |
6110 | ||
6ce1ddf5 KB |
6111 | nonempty_inbound_queue_count = 0; |
6112 | ||
7561a7e4 KB |
6113 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { |
6114 | queue_group = &ctrl_info->queue_groups[i]; | |
7561a7e4 KB |
6115 | for (path = 0; path < 2; path++) { |
6116 | iq_pi = queue_group->iq_pi_copy[path]; | |
6ce1ddf5 KB |
6117 | iq_ci = readl(queue_group->iq_ci[path]); |
6118 | if (iq_ci != iq_pi) | |
6119 | nonempty_inbound_queue_count++; | |
6120 | } | |
6121 | } | |
7561a7e4 | 6122 | |
6ce1ddf5 KB |
6123 | return nonempty_inbound_queue_count; |
6124 | } | |
6125 | ||
6126 | #define PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS 10 | |
6127 | ||
6128 | static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) | |
6129 | { | |
6130 | unsigned long start_jiffies; | |
6131 | unsigned long warning_timeout; | |
6132 | unsigned int queued_io_count; | |
6133 | unsigned int nonempty_inbound_queue_count; | |
6134 | bool displayed_warning; | |
6135 | ||
6136 | displayed_warning = false; | |
6137 | start_jiffies = jiffies; | |
42dc0426 | 6138 | warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
6ce1ddf5 KB |
6139 | |
6140 | while (1) { | |
6141 | queued_io_count = pqi_queued_io_count(ctrl_info); | |
6142 | nonempty_inbound_queue_count = pqi_nonempty_inbound_queue_count(ctrl_info); | |
6143 | if (queued_io_count == 0 && nonempty_inbound_queue_count == 0) | |
6144 | break; | |
6145 | pqi_check_ctrl_health(ctrl_info); | |
6146 | if (pqi_ctrl_offline(ctrl_info)) | |
6147 | return -ENXIO; | |
6148 | if (time_after(jiffies, warning_timeout)) { | |
6149 | dev_warn(&ctrl_info->pci_dev->dev, | |
6150 | "waiting %u seconds for queued I/O to drain (queued I/O count: %u; non-empty inbound queue count: %u)\n", | |
6151 | jiffies_to_msecs(jiffies - start_jiffies) / 1000, queued_io_count, nonempty_inbound_queue_count); | |
6152 | displayed_warning = true; | |
42dc0426 | 6153 | warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
7561a7e4 | 6154 | } |
6ce1ddf5 | 6155 | usleep_range(1000, 2000); |
7561a7e4 KB |
6156 | } |
6157 | ||
6ce1ddf5 KB |
6158 | if (displayed_warning) |
6159 | dev_warn(&ctrl_info->pci_dev->dev, | |
6160 | "queued I/O drained after waiting for %u seconds\n", | |
6161 | jiffies_to_msecs(jiffies - start_jiffies) / 1000); | |
6162 | ||
7561a7e4 KB |
6163 | return 0; |
6164 | } | |
6165 | ||
6166 | static void pqi_fail_io_queued_for_device(struct pqi_ctrl_info *ctrl_info, | |
153c45dd | 6167 | struct pqi_scsi_dev *device, u8 lun) |
7561a7e4 KB |
6168 | { |
6169 | unsigned int i; | |
6170 | unsigned int path; | |
6171 | struct pqi_queue_group *queue_group; | |
6172 | unsigned long flags; | |
6173 | struct pqi_io_request *io_request; | |
6174 | struct pqi_io_request *next; | |
6175 | struct scsi_cmnd *scmd; | |
6176 | struct pqi_scsi_dev *scsi_device; | |
6177 | ||
6178 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
6179 | queue_group = &ctrl_info->queue_groups[i]; | |
6180 | ||
6181 | for (path = 0; path < 2; path++) { | |
6182 | spin_lock_irqsave( | |
6183 | &queue_group->submit_lock[path], flags); | |
6184 | ||
6185 | list_for_each_entry_safe(io_request, next, | |
6186 | &queue_group->request_list[path], | |
6187 | request_list_entry) { | |
583891c9 | 6188 | |
7561a7e4 KB |
6189 | scmd = io_request->scmd; |
6190 | if (!scmd) | |
6191 | continue; | |
6192 | ||
6193 | scsi_device = scmd->device->hostdata; | |
6194 | if (scsi_device != device) | |
6195 | continue; | |
6196 | ||
153c45dd KB |
6197 | if ((u8)scmd->device->lun != lun) |
6198 | continue; | |
6199 | ||
7561a7e4 KB |
6200 | list_del(&io_request->request_list_entry); |
6201 | set_host_byte(scmd, DID_RESET); | |
b622a601 MB |
6202 | pqi_free_io_request(io_request); |
6203 | scsi_dma_unmap(scmd); | |
7561a7e4 KB |
6204 | pqi_scsi_done(scmd); |
6205 | } | |
6206 | ||
6207 | spin_unlock_irqrestore( | |
6208 | &queue_group->submit_lock[path], flags); | |
6209 | } | |
6210 | } | |
6211 | } | |
6212 | ||
18ff5f08 | 6213 | #define PQI_PENDING_IO_WARNING_TIMEOUT_SECS 10 |
4fd22c13 | 6214 | |
061ef06a | 6215 | static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, |
904f2bfd | 6216 | struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs) |
061ef06a | 6217 | { |
18ff5f08 KB |
6218 | int cmds_outstanding; |
6219 | unsigned long start_jiffies; | |
6220 | unsigned long warning_timeout; | |
6221 | unsigned long msecs_waiting; | |
1e46731e | 6222 | |
18ff5f08 | 6223 | start_jiffies = jiffies; |
42dc0426 | 6224 | warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; |
1e46731e | 6225 | |
904f2bfd | 6226 | while ((cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun])) > 0) { |
331f7e99 SB |
6227 | if (ctrl_info->ctrl_removal_state != PQI_CTRL_GRACEFUL_REMOVAL) { |
6228 | pqi_check_ctrl_health(ctrl_info); | |
6229 | if (pqi_ctrl_offline(ctrl_info)) | |
6230 | return -ENXIO; | |
6231 | } | |
18ff5f08 | 6232 | msecs_waiting = jiffies_to_msecs(jiffies - start_jiffies); |
6ce1ddf5 | 6233 | if (msecs_waiting >= timeout_msecs) { |
18ff5f08 KB |
6234 | dev_err(&ctrl_info->pci_dev->dev, |
6235 | "scsi %d:%d:%d:%d: timed out after %lu seconds waiting for %d outstanding command(s)\n", | |
6236 | ctrl_info->scsi_host->host_no, device->bus, device->target, | |
904f2bfd | 6237 | lun, msecs_waiting / 1000, cmds_outstanding); |
18ff5f08 | 6238 | return -ETIMEDOUT; |
061ef06a | 6239 | } |
18ff5f08 KB |
6240 | if (time_after(jiffies, warning_timeout)) { |
6241 | dev_warn(&ctrl_info->pci_dev->dev, | |
6242 | "scsi %d:%d:%d:%d: waiting %lu seconds for %d outstanding command(s)\n", | |
6243 | ctrl_info->scsi_host->host_no, device->bus, device->target, | |
904f2bfd | 6244 | lun, msecs_waiting / 1000, cmds_outstanding); |
42dc0426 | 6245 | warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + jiffies; |
4fd22c13 | 6246 | } |
061ef06a KB |
6247 | usleep_range(1000, 2000); |
6248 | } | |
6249 | ||
6250 | return 0; | |
6251 | } | |
6252 | ||
14bb215d KB |
6253 | static void pqi_lun_reset_complete(struct pqi_io_request *io_request, |
6254 | void *context) | |
6c223761 | 6255 | { |
14bb215d | 6256 | struct completion *waiting = context; |
6c223761 | 6257 | |
14bb215d KB |
6258 | complete(waiting); |
6259 | } | |
6c223761 | 6260 | |
c2922f17 | 6261 | #define PQI_LUN_RESET_POLL_COMPLETION_SECS 10 |
14bb215d KB |
6262 | |
6263 | static int pqi_wait_for_lun_reset_completion(struct pqi_ctrl_info *ctrl_info, | |
904f2bfd | 6264 | struct pqi_scsi_dev *device, u8 lun, struct completion *wait) |
14bb215d KB |
6265 | { |
6266 | int rc; | |
18ff5f08 | 6267 | unsigned int wait_secs; |
6ce1ddf5 | 6268 | int cmds_outstanding; |
18ff5f08 KB |
6269 | |
6270 | wait_secs = 0; | |
14bb215d KB |
6271 | |
6272 | while (1) { | |
6273 | if (wait_for_completion_io_timeout(wait, | |
42dc0426 | 6274 | PQI_LUN_RESET_POLL_COMPLETION_SECS * HZ)) { |
14bb215d KB |
6275 | rc = 0; |
6276 | break; | |
6c223761 KB |
6277 | } |
6278 | ||
14bb215d KB |
6279 | pqi_check_ctrl_health(ctrl_info); |
6280 | if (pqi_ctrl_offline(ctrl_info)) { | |
4e8415e3 | 6281 | rc = -ENXIO; |
14bb215d KB |
6282 | break; |
6283 | } | |
18ff5f08 KB |
6284 | |
6285 | wait_secs += PQI_LUN_RESET_POLL_COMPLETION_SECS; | |
904f2bfd | 6286 | cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun]); |
18ff5f08 | 6287 | dev_warn(&ctrl_info->pci_dev->dev, |
6ce1ddf5 | 6288 | "scsi %d:%d:%d:%d: waiting %u seconds for LUN reset to complete (%d command(s) outstanding)\n", |
904f2bfd | 6289 | ctrl_info->scsi_host->host_no, device->bus, device->target, lun, wait_secs, cmds_outstanding); |
6c223761 | 6290 | } |
6c223761 | 6291 | |
14bb215d | 6292 | return rc; |
6c223761 KB |
6293 | } |
6294 | ||
18ff5f08 KB |
6295 | #define PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS 30 |
6296 | ||
153c45dd | 6297 | static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) |
6c223761 KB |
6298 | { |
6299 | int rc; | |
6300 | struct pqi_io_request *io_request; | |
6301 | DECLARE_COMPLETION_ONSTACK(wait); | |
6302 | struct pqi_task_management_request *request; | |
6303 | ||
b27ac2fa | 6304 | io_request = pqi_alloc_io_request(ctrl_info, NULL); |
14bb215d | 6305 | io_request->io_complete_callback = pqi_lun_reset_complete; |
6c223761 KB |
6306 | io_request->context = &wait; |
6307 | ||
6308 | request = io_request->iu; | |
6309 | memset(request, 0, sizeof(*request)); | |
6310 | ||
6311 | request->header.iu_type = PQI_REQUEST_IU_TASK_MANAGEMENT; | |
6312 | put_unaligned_le16(sizeof(*request) - PQI_REQUEST_HEADER_LENGTH, | |
6313 | &request->header.iu_length); | |
6314 | put_unaligned_le16(io_request->index, &request->request_id); | |
6315 | memcpy(request->lun_number, device->scsi3addr, | |
6316 | sizeof(request->lun_number)); | |
904f2bfd | 6317 | if (!pqi_is_logical_device(device) && ctrl_info->multi_lun_device_supported) |
153c45dd | 6318 | request->ml_device_lun_number = lun; |
6c223761 | 6319 | request->task_management_function = SOP_TASK_MANAGEMENT_LUN_RESET; |
c2922f17 | 6320 | if (ctrl_info->tmf_iu_timeout_supported) |
18ff5f08 | 6321 | put_unaligned_le16(PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS, &request->timeout); |
6c223761 | 6322 | |
583891c9 | 6323 | pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, |
6c223761 KB |
6324 | io_request); |
6325 | ||
153c45dd | 6326 | rc = pqi_wait_for_lun_reset_completion(ctrl_info, device, lun, &wait); |
14bb215d | 6327 | if (rc == 0) |
6c223761 | 6328 | rc = io_request->status; |
6c223761 KB |
6329 | |
6330 | pqi_free_io_request(io_request); | |
6c223761 KB |
6331 | |
6332 | return rc; | |
6333 | } | |
6334 | ||
18ff5f08 KB |
6335 | #define PQI_LUN_RESET_RETRIES 3 |
6336 | #define PQI_LUN_RESET_RETRY_INTERVAL_MSECS (10 * 1000) | |
6337 | #define PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS (10 * 60 * 1000) | |
6338 | #define PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS (2 * 60 * 1000) | |
6c223761 | 6339 | |
153c45dd | 6340 | static int pqi_lun_reset_with_retries(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) |
6c223761 | 6341 | { |
18ff5f08 KB |
6342 | int reset_rc; |
6343 | int wait_rc; | |
3406384b | 6344 | unsigned int retries; |
18ff5f08 | 6345 | unsigned long timeout_msecs; |
6c223761 | 6346 | |
3406384b | 6347 | for (retries = 0;;) { |
153c45dd KB |
6348 | reset_rc = pqi_lun_reset(ctrl_info, device, lun); |
6349 | if (reset_rc == 0 || reset_rc == -ENODEV || reset_rc == -ENXIO || ++retries > PQI_LUN_RESET_RETRIES) | |
3406384b MR |
6350 | break; |
6351 | msleep(PQI_LUN_RESET_RETRY_INTERVAL_MSECS); | |
6352 | } | |
429fab70 | 6353 | |
18ff5f08 KB |
6354 | timeout_msecs = reset_rc ? PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS : |
6355 | PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS; | |
4fd22c13 | 6356 | |
153c45dd | 6357 | wait_rc = pqi_device_wait_for_pending_io(ctrl_info, device, lun, timeout_msecs); |
18ff5f08 KB |
6358 | if (wait_rc && reset_rc == 0) |
6359 | reset_rc = wait_rc; | |
6c223761 | 6360 | |
18ff5f08 | 6361 | return reset_rc == 0 ? SUCCESS : FAILED; |
6c223761 KB |
6362 | } |
6363 | ||
153c45dd | 6364 | static int pqi_device_reset(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) |
4fd22c13 MR |
6365 | { |
6366 | int rc; | |
6367 | ||
4fd22c13 MR |
6368 | pqi_ctrl_block_requests(ctrl_info); |
6369 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
153c45dd | 6370 | pqi_fail_io_queued_for_device(ctrl_info, device, lun); |
4fd22c13 | 6371 | rc = pqi_wait_until_inbound_queues_empty(ctrl_info); |
153c45dd KB |
6372 | pqi_device_reset_start(device, lun); |
6373 | pqi_ctrl_unblock_requests(ctrl_info); | |
4fd22c13 MR |
6374 | if (rc) |
6375 | rc = FAILED; | |
6376 | else | |
153c45dd KB |
6377 | rc = pqi_lun_reset_with_retries(ctrl_info, device, lun); |
6378 | pqi_device_reset_done(device, lun); | |
429fab70 | 6379 | |
4fd22c13 MR |
6380 | return rc; |
6381 | } | |
6382 | ||
153c45dd | 6383 | 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 |
6384 | { |
6385 | int rc; | |
6c223761 | 6386 | |
37f33181 KB |
6387 | mutex_lock(&ctrl_info->lun_reset_mutex); |
6388 | ||
6c223761 | 6389 | dev_err(&ctrl_info->pci_dev->dev, |
e1b91949 MR |
6390 | "resetting scsi %d:%d:%d:%u SCSI cmd at %p due to cmd opcode 0x%02x\n", |
6391 | ctrl_info->scsi_host->host_no, device->bus, device->target, lun, scmd, scsi_opcode); | |
6c223761 | 6392 | |
7561a7e4 | 6393 | pqi_check_ctrl_health(ctrl_info); |
37f33181 | 6394 | if (pqi_ctrl_offline(ctrl_info)) |
7561a7e4 | 6395 | rc = FAILED; |
37f33181 | 6396 | else |
153c45dd | 6397 | rc = pqi_device_reset(ctrl_info, device, lun); |
429fab70 | 6398 | |
6c223761 | 6399 | dev_err(&ctrl_info->pci_dev->dev, |
153c45dd KB |
6400 | "reset of scsi %d:%d:%d:%u: %s\n", |
6401 | ctrl_info->scsi_host->host_no, device->bus, device->target, lun, | |
6c223761 KB |
6402 | rc == SUCCESS ? "SUCCESS" : "FAILED"); |
6403 | ||
37f33181 KB |
6404 | mutex_unlock(&ctrl_info->lun_reset_mutex); |
6405 | ||
6c223761 KB |
6406 | return rc; |
6407 | } | |
6408 | ||
153c45dd KB |
6409 | static int pqi_eh_device_reset_handler(struct scsi_cmnd *scmd) |
6410 | { | |
6411 | struct Scsi_Host *shost; | |
6412 | struct pqi_ctrl_info *ctrl_info; | |
6413 | struct pqi_scsi_dev *device; | |
6414 | u8 scsi_opcode; | |
6415 | ||
6416 | shost = scmd->device->host; | |
6417 | ctrl_info = shost_to_hba(shost); | |
6418 | device = scmd->device->hostdata; | |
6419 | scsi_opcode = scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff; | |
6420 | ||
6421 | return pqi_device_reset_handler(ctrl_info, device, (u8)scmd->device->lun, scmd, scsi_opcode); | |
6422 | } | |
6423 | ||
6424 | static void pqi_tmf_worker(struct work_struct *work) | |
6425 | { | |
6426 | struct pqi_tmf_work *tmf_work; | |
6427 | struct scsi_cmnd *scmd; | |
6428 | ||
6429 | tmf_work = container_of(work, struct pqi_tmf_work, work_struct); | |
6430 | scmd = (struct scsi_cmnd *)xchg(&tmf_work->scmd, NULL); | |
6431 | ||
6432 | pqi_device_reset_handler(tmf_work->ctrl_info, tmf_work->device, tmf_work->lun, scmd, tmf_work->scsi_opcode); | |
6433 | } | |
6434 | ||
6435 | static int pqi_eh_abort_handler(struct scsi_cmnd *scmd) | |
6436 | { | |
6437 | struct Scsi_Host *shost; | |
6438 | struct pqi_ctrl_info *ctrl_info; | |
6439 | struct pqi_scsi_dev *device; | |
6440 | struct pqi_tmf_work *tmf_work; | |
6441 | DECLARE_COMPLETION_ONSTACK(wait); | |
6442 | ||
6443 | shost = scmd->device->host; | |
6444 | ctrl_info = shost_to_hba(shost); | |
e1b91949 | 6445 | device = scmd->device->hostdata; |
153c45dd KB |
6446 | |
6447 | dev_err(&ctrl_info->pci_dev->dev, | |
e1b91949 MR |
6448 | "attempting TASK ABORT on scsi %d:%d:%d:%d for SCSI cmd at %p\n", |
6449 | shost->host_no, device->bus, device->target, (int)scmd->device->lun, scmd); | |
153c45dd KB |
6450 | |
6451 | if (cmpxchg(&scmd->host_scribble, PQI_NO_COMPLETION, (void *)&wait) == NULL) { | |
6452 | dev_err(&ctrl_info->pci_dev->dev, | |
e1b91949 MR |
6453 | "scsi %d:%d:%d:%d for SCSI cmd at %p already completed\n", |
6454 | shost->host_no, device->bus, device->target, (int)scmd->device->lun, scmd); | |
153c45dd KB |
6455 | scmd->result = DID_RESET << 16; |
6456 | goto out; | |
6457 | } | |
6458 | ||
153c45dd KB |
6459 | tmf_work = &device->tmf_work[scmd->device->lun]; |
6460 | ||
6461 | if (cmpxchg(&tmf_work->scmd, NULL, scmd) == NULL) { | |
6462 | tmf_work->ctrl_info = ctrl_info; | |
6463 | tmf_work->device = device; | |
6464 | tmf_work->lun = (u8)scmd->device->lun; | |
6465 | tmf_work->scsi_opcode = scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff; | |
6466 | schedule_work(&tmf_work->work_struct); | |
6467 | } | |
6468 | ||
6469 | wait_for_completion(&wait); | |
6470 | ||
6471 | dev_err(&ctrl_info->pci_dev->dev, | |
e1b91949 MR |
6472 | "TASK ABORT on scsi %d:%d:%d:%d for SCSI cmd at %p: SUCCESS\n", |
6473 | shost->host_no, device->bus, device->target, (int)scmd->device->lun, scmd); | |
153c45dd KB |
6474 | |
6475 | out: | |
6476 | ||
6477 | return SUCCESS; | |
6478 | } | |
6479 | ||
6c223761 KB |
6480 | static int pqi_slave_alloc(struct scsi_device *sdev) |
6481 | { | |
6482 | struct pqi_scsi_dev *device; | |
6483 | unsigned long flags; | |
6484 | struct pqi_ctrl_info *ctrl_info; | |
6485 | struct scsi_target *starget; | |
6486 | struct sas_rphy *rphy; | |
6487 | ||
6488 | ctrl_info = shost_to_hba(sdev->host); | |
6489 | ||
6490 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
6491 | ||
6492 | if (sdev_channel(sdev) == PQI_PHYSICAL_DEVICE_BUS) { | |
6493 | starget = scsi_target(sdev); | |
6494 | rphy = target_to_rphy(starget); | |
6495 | device = pqi_find_device_by_sas_rphy(ctrl_info, rphy); | |
6496 | if (device) { | |
d4dc6aea KB |
6497 | if (device->target_lun_valid) { |
6498 | device->ignore_device = true; | |
6499 | } else { | |
6500 | device->target = sdev_id(sdev); | |
6501 | device->lun = sdev->lun; | |
6502 | device->target_lun_valid = true; | |
6503 | } | |
6c223761 KB |
6504 | } |
6505 | } else { | |
6506 | device = pqi_find_scsi_dev(ctrl_info, sdev_channel(sdev), | |
6507 | sdev_id(sdev), sdev->lun); | |
6508 | } | |
6509 | ||
94086f5b | 6510 | if (device) { |
6c223761 KB |
6511 | sdev->hostdata = device; |
6512 | device->sdev = sdev; | |
6513 | if (device->queue_depth) { | |
6514 | device->advertised_queue_depth = device->queue_depth; | |
6515 | scsi_change_queue_depth(sdev, | |
6516 | device->advertised_queue_depth); | |
6517 | } | |
99a12b48 | 6518 | if (pqi_is_logical_device(device)) { |
b6e2ef67 | 6519 | pqi_disable_write_same(sdev); |
99a12b48 | 6520 | } else { |
2b447f81 | 6521 | sdev->allow_restart = 1; |
99a12b48 KB |
6522 | if (device->device_type == SA_DEVICE_TYPE_NVME) |
6523 | pqi_disable_write_same(sdev); | |
6524 | } | |
6c223761 KB |
6525 | } |
6526 | ||
6527 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
6528 | ||
6529 | return 0; | |
6530 | } | |
6531 | ||
a4e1d0b7 | 6532 | static void pqi_map_queues(struct Scsi_Host *shost) |
52198226 CH |
6533 | { |
6534 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6535 | ||
a4e1d0b7 BVA |
6536 | blk_mq_pci_map_queues(&shost->tag_set.map[HCTX_TYPE_DEFAULT], |
6537 | ctrl_info->pci_dev, 0); | |
52198226 CH |
6538 | } |
6539 | ||
d4dc6aea KB |
6540 | static inline bool pqi_is_tape_changer_device(struct pqi_scsi_dev *device) |
6541 | { | |
6542 | return device->devtype == TYPE_TAPE || device->devtype == TYPE_MEDIUM_CHANGER; | |
6543 | } | |
6544 | ||
ce143793 KB |
6545 | static int pqi_slave_configure(struct scsi_device *sdev) |
6546 | { | |
d4dc6aea | 6547 | int rc = 0; |
ce143793 KB |
6548 | struct pqi_scsi_dev *device; |
6549 | ||
6550 | device = sdev->hostdata; | |
6551 | device->devtype = sdev->type; | |
6552 | ||
d4dc6aea KB |
6553 | if (pqi_is_tape_changer_device(device) && device->ignore_device) { |
6554 | rc = -ENXIO; | |
6555 | device->ignore_device = false; | |
6556 | } | |
6557 | ||
6558 | return rc; | |
ce143793 KB |
6559 | } |
6560 | ||
2d80f405 KB |
6561 | static void pqi_slave_destroy(struct scsi_device *sdev) |
6562 | { | |
6563 | struct pqi_ctrl_info *ctrl_info; | |
6564 | struct pqi_scsi_dev *device; | |
6565 | int mutex_acquired; | |
6566 | unsigned long flags; | |
6567 | ||
6568 | ctrl_info = shost_to_hba(sdev->host); | |
6569 | ||
6570 | mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); | |
6571 | if (!mutex_acquired) | |
6572 | return; | |
6573 | ||
6574 | device = sdev->hostdata; | |
6575 | if (!device) { | |
6576 | mutex_unlock(&ctrl_info->scan_mutex); | |
6577 | return; | |
6578 | } | |
6579 | ||
cc9befcb KM |
6580 | device->lun_count--; |
6581 | if (device->lun_count > 0) { | |
6582 | mutex_unlock(&ctrl_info->scan_mutex); | |
6583 | return; | |
6584 | } | |
6585 | ||
2d80f405 KB |
6586 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
6587 | list_del(&device->scsi_device_list_entry); | |
6588 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
6589 | ||
6590 | mutex_unlock(&ctrl_info->scan_mutex); | |
6591 | ||
6592 | pqi_dev_info(ctrl_info, "removed", device); | |
6593 | pqi_free_device(device); | |
6594 | } | |
6595 | ||
8b664fef | 6596 | static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) |
6c223761 KB |
6597 | { |
6598 | struct pci_dev *pci_dev; | |
6599 | u32 subsystem_vendor; | |
6600 | u32 subsystem_device; | |
e9c39117 | 6601 | cciss_pci_info_struct pci_info; |
6c223761 KB |
6602 | |
6603 | if (!arg) | |
6604 | return -EINVAL; | |
6605 | ||
6606 | pci_dev = ctrl_info->pci_dev; | |
6607 | ||
e9c39117 KB |
6608 | pci_info.domain = pci_domain_nr(pci_dev->bus); |
6609 | pci_info.bus = pci_dev->bus->number; | |
6610 | pci_info.dev_fn = pci_dev->devfn; | |
6c223761 KB |
6611 | subsystem_vendor = pci_dev->subsystem_vendor; |
6612 | subsystem_device = pci_dev->subsystem_device; | |
e9c39117 | 6613 | pci_info.board_id = ((subsystem_device << 16) & 0xffff0000) | subsystem_vendor; |
6c223761 | 6614 | |
e9c39117 | 6615 | if (copy_to_user(arg, &pci_info, sizeof(pci_info))) |
6c223761 KB |
6616 | return -EFAULT; |
6617 | ||
6618 | return 0; | |
6619 | } | |
6620 | ||
6621 | static int pqi_getdrivver_ioctl(void __user *arg) | |
6622 | { | |
6623 | u32 version; | |
6624 | ||
6625 | if (!arg) | |
6626 | return -EINVAL; | |
6627 | ||
6628 | version = (DRIVER_MAJOR << 28) | (DRIVER_MINOR << 24) | | |
6629 | (DRIVER_RELEASE << 16) | DRIVER_REVISION; | |
6630 | ||
6631 | if (copy_to_user(arg, &version, sizeof(version))) | |
6632 | return -EFAULT; | |
6633 | ||
6634 | return 0; | |
6635 | } | |
6636 | ||
6637 | struct ciss_error_info { | |
6638 | u8 scsi_status; | |
6639 | int command_status; | |
6640 | size_t sense_data_length; | |
6641 | }; | |
6642 | ||
6643 | static void pqi_error_info_to_ciss(struct pqi_raid_error_info *pqi_error_info, | |
6644 | struct ciss_error_info *ciss_error_info) | |
6645 | { | |
6646 | int ciss_cmd_status; | |
6647 | size_t sense_data_length; | |
6648 | ||
6649 | switch (pqi_error_info->data_out_result) { | |
6650 | case PQI_DATA_IN_OUT_GOOD: | |
6651 | ciss_cmd_status = CISS_CMD_STATUS_SUCCESS; | |
6652 | break; | |
6653 | case PQI_DATA_IN_OUT_UNDERFLOW: | |
6654 | ciss_cmd_status = CISS_CMD_STATUS_DATA_UNDERRUN; | |
6655 | break; | |
6656 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW: | |
6657 | ciss_cmd_status = CISS_CMD_STATUS_DATA_OVERRUN; | |
6658 | break; | |
6659 | case PQI_DATA_IN_OUT_PROTOCOL_ERROR: | |
6660 | case PQI_DATA_IN_OUT_BUFFER_ERROR: | |
6661 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA: | |
6662 | case PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE: | |
6663 | case PQI_DATA_IN_OUT_ERROR: | |
6664 | ciss_cmd_status = CISS_CMD_STATUS_PROTOCOL_ERROR; | |
6665 | break; | |
6666 | case PQI_DATA_IN_OUT_HARDWARE_ERROR: | |
6667 | case PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR: | |
6668 | case PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT: | |
6669 | case PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED: | |
6670 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED: | |
6671 | case PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED: | |
6672 | case PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST: | |
6673 | case PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION: | |
6674 | case PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED: | |
6675 | case PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ: | |
6676 | ciss_cmd_status = CISS_CMD_STATUS_HARDWARE_ERROR; | |
6677 | break; | |
6678 | case PQI_DATA_IN_OUT_UNSOLICITED_ABORT: | |
6679 | ciss_cmd_status = CISS_CMD_STATUS_UNSOLICITED_ABORT; | |
6680 | break; | |
6681 | case PQI_DATA_IN_OUT_ABORTED: | |
6682 | ciss_cmd_status = CISS_CMD_STATUS_ABORTED; | |
6683 | break; | |
6684 | case PQI_DATA_IN_OUT_TIMEOUT: | |
6685 | ciss_cmd_status = CISS_CMD_STATUS_TIMEOUT; | |
6686 | break; | |
6687 | default: | |
6688 | ciss_cmd_status = CISS_CMD_STATUS_TARGET_STATUS; | |
6689 | break; | |
6690 | } | |
6691 | ||
6692 | sense_data_length = | |
6693 | get_unaligned_le16(&pqi_error_info->sense_data_length); | |
6694 | if (sense_data_length == 0) | |
6695 | sense_data_length = | |
6696 | get_unaligned_le16(&pqi_error_info->response_data_length); | |
6697 | if (sense_data_length) | |
6698 | if (sense_data_length > sizeof(pqi_error_info->data)) | |
6699 | sense_data_length = sizeof(pqi_error_info->data); | |
6700 | ||
6701 | ciss_error_info->scsi_status = pqi_error_info->status; | |
6702 | ciss_error_info->command_status = ciss_cmd_status; | |
6703 | ciss_error_info->sense_data_length = sense_data_length; | |
6704 | } | |
6705 | ||
6706 | static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) | |
6707 | { | |
6708 | int rc; | |
6709 | char *kernel_buffer = NULL; | |
6710 | u16 iu_length; | |
6711 | size_t sense_data_length; | |
6712 | IOCTL_Command_struct iocommand; | |
6713 | struct pqi_raid_path_request request; | |
6714 | struct pqi_raid_error_info pqi_error_info; | |
6715 | struct ciss_error_info ciss_error_info; | |
6716 | ||
6717 | if (pqi_ctrl_offline(ctrl_info)) | |
6718 | return -ENXIO; | |
2790cd4d KB |
6719 | if (pqi_ofa_in_progress(ctrl_info) && pqi_ctrl_blocked(ctrl_info)) |
6720 | return -EBUSY; | |
6c223761 KB |
6721 | if (!arg) |
6722 | return -EINVAL; | |
6723 | if (!capable(CAP_SYS_RAWIO)) | |
6724 | return -EPERM; | |
6725 | if (copy_from_user(&iocommand, arg, sizeof(iocommand))) | |
6726 | return -EFAULT; | |
6727 | if (iocommand.buf_size < 1 && | |
6728 | iocommand.Request.Type.Direction != XFER_NONE) | |
6729 | return -EINVAL; | |
6730 | if (iocommand.Request.CDBLen > sizeof(request.cdb)) | |
6731 | return -EINVAL; | |
6732 | if (iocommand.Request.Type.Type != TYPE_CMD) | |
6733 | return -EINVAL; | |
6734 | ||
6735 | switch (iocommand.Request.Type.Direction) { | |
6736 | case XFER_NONE: | |
6737 | case XFER_WRITE: | |
6738 | case XFER_READ: | |
41555d54 | 6739 | case XFER_READ | XFER_WRITE: |
6c223761 KB |
6740 | break; |
6741 | default: | |
6742 | return -EINVAL; | |
6743 | } | |
6744 | ||
6745 | if (iocommand.buf_size > 0) { | |
6746 | kernel_buffer = kmalloc(iocommand.buf_size, GFP_KERNEL); | |
6747 | if (!kernel_buffer) | |
6748 | return -ENOMEM; | |
6749 | if (iocommand.Request.Type.Direction & XFER_WRITE) { | |
6750 | if (copy_from_user(kernel_buffer, iocommand.buf, | |
6751 | iocommand.buf_size)) { | |
6752 | rc = -EFAULT; | |
6753 | goto out; | |
6754 | } | |
6755 | } else { | |
6756 | memset(kernel_buffer, 0, iocommand.buf_size); | |
6757 | } | |
6758 | } | |
6759 | ||
6760 | memset(&request, 0, sizeof(request)); | |
6761 | ||
6762 | request.header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; | |
6763 | iu_length = offsetof(struct pqi_raid_path_request, sg_descriptors) - | |
6764 | PQI_REQUEST_HEADER_LENGTH; | |
6765 | memcpy(request.lun_number, iocommand.LUN_info.LunAddrBytes, | |
6766 | sizeof(request.lun_number)); | |
6767 | memcpy(request.cdb, iocommand.Request.CDB, iocommand.Request.CDBLen); | |
6768 | request.additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; | |
6769 | ||
6770 | switch (iocommand.Request.Type.Direction) { | |
6771 | case XFER_NONE: | |
6772 | request.data_direction = SOP_NO_DIRECTION_FLAG; | |
6773 | break; | |
6774 | case XFER_WRITE: | |
6775 | request.data_direction = SOP_WRITE_FLAG; | |
6776 | break; | |
6777 | case XFER_READ: | |
6778 | request.data_direction = SOP_READ_FLAG; | |
6779 | break; | |
41555d54 KB |
6780 | case XFER_READ | XFER_WRITE: |
6781 | request.data_direction = SOP_BIDIRECTIONAL; | |
6782 | break; | |
6c223761 KB |
6783 | } |
6784 | ||
6785 | request.task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; | |
6786 | ||
6787 | if (iocommand.buf_size > 0) { | |
6788 | put_unaligned_le32(iocommand.buf_size, &request.buffer_length); | |
6789 | ||
6790 | rc = pqi_map_single(ctrl_info->pci_dev, | |
6791 | &request.sg_descriptors[0], kernel_buffer, | |
6917a9cc | 6792 | iocommand.buf_size, DMA_BIDIRECTIONAL); |
6c223761 KB |
6793 | if (rc) |
6794 | goto out; | |
6795 | ||
6796 | iu_length += sizeof(request.sg_descriptors[0]); | |
6797 | } | |
6798 | ||
6799 | put_unaligned_le16(iu_length, &request.header.iu_length); | |
6800 | ||
21432010 | 6801 | if (ctrl_info->raid_iu_timeout_supported) |
6802 | put_unaligned_le32(iocommand.Request.Timeout, &request.timeout); | |
6803 | ||
6c223761 | 6804 | rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, |
ae0c189d | 6805 | PQI_SYNC_FLAGS_INTERRUPTABLE, &pqi_error_info); |
6c223761 KB |
6806 | |
6807 | if (iocommand.buf_size > 0) | |
6808 | pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, | |
6917a9cc | 6809 | DMA_BIDIRECTIONAL); |
6c223761 KB |
6810 | |
6811 | memset(&iocommand.error_info, 0, sizeof(iocommand.error_info)); | |
6812 | ||
6813 | if (rc == 0) { | |
6814 | pqi_error_info_to_ciss(&pqi_error_info, &ciss_error_info); | |
6815 | iocommand.error_info.ScsiStatus = ciss_error_info.scsi_status; | |
6816 | iocommand.error_info.CommandStatus = | |
6817 | ciss_error_info.command_status; | |
6818 | sense_data_length = ciss_error_info.sense_data_length; | |
6819 | if (sense_data_length) { | |
6820 | if (sense_data_length > | |
6821 | sizeof(iocommand.error_info.SenseInfo)) | |
6822 | sense_data_length = | |
6823 | sizeof(iocommand.error_info.SenseInfo); | |
6824 | memcpy(iocommand.error_info.SenseInfo, | |
6825 | pqi_error_info.data, sense_data_length); | |
6826 | iocommand.error_info.SenseLen = sense_data_length; | |
6827 | } | |
6828 | } | |
6829 | ||
6830 | if (copy_to_user(arg, &iocommand, sizeof(iocommand))) { | |
6831 | rc = -EFAULT; | |
6832 | goto out; | |
6833 | } | |
6834 | ||
6835 | if (rc == 0 && iocommand.buf_size > 0 && | |
6836 | (iocommand.Request.Type.Direction & XFER_READ)) { | |
6837 | if (copy_to_user(iocommand.buf, kernel_buffer, | |
6838 | iocommand.buf_size)) { | |
6839 | rc = -EFAULT; | |
6840 | } | |
6841 | } | |
6842 | ||
6843 | out: | |
6844 | kfree(kernel_buffer); | |
6845 | ||
6846 | return rc; | |
6847 | } | |
6848 | ||
6f4e626f NC |
6849 | static int pqi_ioctl(struct scsi_device *sdev, unsigned int cmd, |
6850 | void __user *arg) | |
6c223761 KB |
6851 | { |
6852 | int rc; | |
6853 | struct pqi_ctrl_info *ctrl_info; | |
6854 | ||
6855 | ctrl_info = shost_to_hba(sdev->host); | |
6856 | ||
6857 | switch (cmd) { | |
6858 | case CCISS_DEREGDISK: | |
6859 | case CCISS_REGNEWDISK: | |
6860 | case CCISS_REGNEWD: | |
6861 | rc = pqi_scan_scsi_devices(ctrl_info); | |
6862 | break; | |
6863 | case CCISS_GETPCIINFO: | |
6864 | rc = pqi_getpciinfo_ioctl(ctrl_info, arg); | |
6865 | break; | |
6866 | case CCISS_GETDRIVVER: | |
6867 | rc = pqi_getdrivver_ioctl(arg); | |
6868 | break; | |
6869 | case CCISS_PASSTHRU: | |
6870 | rc = pqi_passthru_ioctl(ctrl_info, arg); | |
6871 | break; | |
6872 | default: | |
6873 | rc = -EINVAL; | |
6874 | break; | |
6875 | } | |
6876 | ||
6877 | return rc; | |
6878 | } | |
6879 | ||
6d90615f | 6880 | static ssize_t pqi_firmware_version_show(struct device *dev, |
6c223761 KB |
6881 | struct device_attribute *attr, char *buffer) |
6882 | { | |
6c223761 KB |
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->firmware_version); |
6d90615f MB |
6890 | } |
6891 | ||
6892 | static ssize_t pqi_driver_version_show(struct device *dev, | |
6893 | struct device_attribute *attr, char *buffer) | |
6894 | { | |
a4256252 | 6895 | return scnprintf(buffer, PAGE_SIZE, "%s\n", DRIVER_VERSION BUILD_TIMESTAMP); |
6d90615f | 6896 | } |
6c223761 | 6897 | |
6d90615f MB |
6898 | static ssize_t pqi_serial_number_show(struct device *dev, |
6899 | struct device_attribute *attr, char *buffer) | |
6900 | { | |
6901 | struct Scsi_Host *shost; | |
6902 | struct pqi_ctrl_info *ctrl_info; | |
6903 | ||
6904 | shost = class_to_shost(dev); | |
6905 | ctrl_info = shost_to_hba(shost); | |
6906 | ||
a4256252 | 6907 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->serial_number); |
6d90615f MB |
6908 | } |
6909 | ||
6910 | static ssize_t pqi_model_show(struct device *dev, | |
6911 | struct device_attribute *attr, char *buffer) | |
6912 | { | |
6913 | struct Scsi_Host *shost; | |
6914 | struct pqi_ctrl_info *ctrl_info; | |
6915 | ||
6916 | shost = class_to_shost(dev); | |
6917 | ctrl_info = shost_to_hba(shost); | |
6918 | ||
a4256252 | 6919 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->model); |
6d90615f MB |
6920 | } |
6921 | ||
6922 | static ssize_t pqi_vendor_show(struct device *dev, | |
6923 | struct device_attribute *attr, char *buffer) | |
6924 | { | |
6925 | struct Scsi_Host *shost; | |
6926 | struct pqi_ctrl_info *ctrl_info; | |
6927 | ||
6928 | shost = class_to_shost(dev); | |
6929 | ctrl_info = shost_to_hba(shost); | |
6930 | ||
a4256252 | 6931 | return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->vendor); |
6c223761 KB |
6932 | } |
6933 | ||
6934 | static ssize_t pqi_host_rescan_store(struct device *dev, | |
6935 | struct device_attribute *attr, const char *buffer, size_t count) | |
6936 | { | |
6937 | struct Scsi_Host *shost = class_to_shost(dev); | |
6938 | ||
6939 | pqi_scan_start(shost); | |
6940 | ||
6941 | return count; | |
6942 | } | |
6943 | ||
3c50976f KB |
6944 | static ssize_t pqi_lockup_action_show(struct device *dev, |
6945 | struct device_attribute *attr, char *buffer) | |
6946 | { | |
6947 | int count = 0; | |
6948 | unsigned int i; | |
6949 | ||
6950 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
6951 | if (pqi_lockup_actions[i].action == pqi_lockup_action) | |
181aea89 | 6952 | count += scnprintf(buffer + count, PAGE_SIZE - count, |
3c50976f KB |
6953 | "[%s] ", pqi_lockup_actions[i].name); |
6954 | else | |
181aea89 | 6955 | count += scnprintf(buffer + count, PAGE_SIZE - count, |
3c50976f KB |
6956 | "%s ", pqi_lockup_actions[i].name); |
6957 | } | |
6958 | ||
181aea89 | 6959 | count += scnprintf(buffer + count, PAGE_SIZE - count, "\n"); |
3c50976f KB |
6960 | |
6961 | return count; | |
6962 | } | |
6963 | ||
6964 | static ssize_t pqi_lockup_action_store(struct device *dev, | |
6965 | struct device_attribute *attr, const char *buffer, size_t count) | |
6966 | { | |
6967 | unsigned int i; | |
6968 | char *action_name; | |
6969 | char action_name_buffer[32]; | |
6970 | ||
41e5d6f6 | 6971 | strscpy(action_name_buffer, buffer, sizeof(action_name_buffer)); |
3c50976f KB |
6972 | action_name = strstrip(action_name_buffer); |
6973 | ||
6974 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
6975 | if (strcmp(action_name, pqi_lockup_actions[i].name) == 0) { | |
6976 | pqi_lockup_action = pqi_lockup_actions[i].action; | |
6977 | return count; | |
6978 | } | |
6979 | } | |
6980 | ||
6981 | return -EINVAL; | |
6982 | } | |
6983 | ||
5be746d7 DB |
6984 | static ssize_t pqi_host_enable_stream_detection_show(struct device *dev, |
6985 | struct device_attribute *attr, char *buffer) | |
6986 | { | |
6987 | struct Scsi_Host *shost = class_to_shost(dev); | |
6988 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6989 | ||
6990 | return scnprintf(buffer, 10, "%x\n", | |
6991 | ctrl_info->enable_stream_detection); | |
6992 | } | |
6993 | ||
6994 | static ssize_t pqi_host_enable_stream_detection_store(struct device *dev, | |
6995 | struct device_attribute *attr, const char *buffer, size_t count) | |
6996 | { | |
6997 | struct Scsi_Host *shost = class_to_shost(dev); | |
6998 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
6999 | u8 set_stream_detection = 0; | |
7000 | ||
7001 | if (kstrtou8(buffer, 0, &set_stream_detection)) | |
7002 | return -EINVAL; | |
7003 | ||
7004 | if (set_stream_detection > 0) | |
7005 | set_stream_detection = 1; | |
7006 | ||
7007 | ctrl_info->enable_stream_detection = set_stream_detection; | |
7008 | ||
7009 | return count; | |
7010 | } | |
7011 | ||
6702d2c4 DB |
7012 | static ssize_t pqi_host_enable_r5_writes_show(struct device *dev, |
7013 | struct device_attribute *attr, char *buffer) | |
7014 | { | |
7015 | struct Scsi_Host *shost = class_to_shost(dev); | |
7016 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
7017 | ||
7018 | return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r5_writes); | |
7019 | } | |
7020 | ||
7021 | static ssize_t pqi_host_enable_r5_writes_store(struct device *dev, | |
7022 | struct device_attribute *attr, const char *buffer, size_t count) | |
7023 | { | |
7024 | struct Scsi_Host *shost = class_to_shost(dev); | |
7025 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
7026 | u8 set_r5_writes = 0; | |
7027 | ||
7028 | if (kstrtou8(buffer, 0, &set_r5_writes)) | |
7029 | return -EINVAL; | |
7030 | ||
7031 | if (set_r5_writes > 0) | |
7032 | set_r5_writes = 1; | |
7033 | ||
7034 | ctrl_info->enable_r5_writes = set_r5_writes; | |
7035 | ||
7036 | return count; | |
7037 | } | |
7038 | ||
7039 | static ssize_t pqi_host_enable_r6_writes_show(struct device *dev, | |
7040 | struct device_attribute *attr, char *buffer) | |
7041 | { | |
7042 | struct Scsi_Host *shost = class_to_shost(dev); | |
7043 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
7044 | ||
7045 | return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r6_writes); | |
7046 | } | |
7047 | ||
7048 | static ssize_t pqi_host_enable_r6_writes_store(struct device *dev, | |
7049 | struct device_attribute *attr, const char *buffer, size_t count) | |
7050 | { | |
7051 | struct Scsi_Host *shost = class_to_shost(dev); | |
7052 | struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); | |
7053 | u8 set_r6_writes = 0; | |
7054 | ||
7055 | if (kstrtou8(buffer, 0, &set_r6_writes)) | |
7056 | return -EINVAL; | |
7057 | ||
7058 | if (set_r6_writes > 0) | |
7059 | set_r6_writes = 1; | |
7060 | ||
7061 | ctrl_info->enable_r6_writes = set_r6_writes; | |
7062 | ||
7063 | return count; | |
7064 | } | |
7065 | ||
6d90615f MB |
7066 | static DEVICE_ATTR(driver_version, 0444, pqi_driver_version_show, NULL); |
7067 | static DEVICE_ATTR(firmware_version, 0444, pqi_firmware_version_show, NULL); | |
7068 | static DEVICE_ATTR(model, 0444, pqi_model_show, NULL); | |
7069 | static DEVICE_ATTR(serial_number, 0444, pqi_serial_number_show, NULL); | |
7070 | static DEVICE_ATTR(vendor, 0444, pqi_vendor_show, NULL); | |
cbe0c7b1 | 7071 | static DEVICE_ATTR(rescan, 0200, NULL, pqi_host_rescan_store); |
583891c9 KB |
7072 | static DEVICE_ATTR(lockup_action, 0644, pqi_lockup_action_show, |
7073 | pqi_lockup_action_store); | |
5be746d7 DB |
7074 | static DEVICE_ATTR(enable_stream_detection, 0644, |
7075 | pqi_host_enable_stream_detection_show, | |
7076 | pqi_host_enable_stream_detection_store); | |
6702d2c4 DB |
7077 | static DEVICE_ATTR(enable_r5_writes, 0644, |
7078 | pqi_host_enable_r5_writes_show, pqi_host_enable_r5_writes_store); | |
7079 | static DEVICE_ATTR(enable_r6_writes, 0644, | |
7080 | pqi_host_enable_r6_writes_show, pqi_host_enable_r6_writes_store); | |
6c223761 | 7081 | |
64fc9015 BVA |
7082 | static struct attribute *pqi_shost_attrs[] = { |
7083 | &dev_attr_driver_version.attr, | |
7084 | &dev_attr_firmware_version.attr, | |
7085 | &dev_attr_model.attr, | |
7086 | &dev_attr_serial_number.attr, | |
7087 | &dev_attr_vendor.attr, | |
7088 | &dev_attr_rescan.attr, | |
7089 | &dev_attr_lockup_action.attr, | |
7090 | &dev_attr_enable_stream_detection.attr, | |
7091 | &dev_attr_enable_r5_writes.attr, | |
7092 | &dev_attr_enable_r6_writes.attr, | |
6c223761 KB |
7093 | NULL |
7094 | }; | |
7095 | ||
64fc9015 BVA |
7096 | ATTRIBUTE_GROUPS(pqi_shost); |
7097 | ||
cd128244 DC |
7098 | static ssize_t pqi_unique_id_show(struct device *dev, |
7099 | struct device_attribute *attr, char *buffer) | |
7100 | { | |
7101 | struct pqi_ctrl_info *ctrl_info; | |
7102 | struct scsi_device *sdev; | |
7103 | struct pqi_scsi_dev *device; | |
7104 | unsigned long flags; | |
5b083b30 | 7105 | u8 unique_id[16]; |
cd128244 DC |
7106 | |
7107 | sdev = to_scsi_device(dev); | |
7108 | ctrl_info = shost_to_hba(sdev->host); | |
7109 | ||
331f7e99 SB |
7110 | if (pqi_ctrl_offline(ctrl_info)) |
7111 | return -ENODEV; | |
7112 | ||
cd128244 DC |
7113 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7114 | ||
7115 | device = sdev->hostdata; | |
7116 | if (!device) { | |
8b664fef | 7117 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7118 | return -ENODEV; |
7119 | } | |
5b083b30 | 7120 | |
28ca6d87 MM |
7121 | if (device->is_physical_device) |
7122 | memcpy(unique_id, device->wwid, sizeof(device->wwid)); | |
7123 | else | |
5b083b30 | 7124 | memcpy(unique_id, device->volume_id, sizeof(device->volume_id)); |
cd128244 DC |
7125 | |
7126 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7127 | ||
a4256252 | 7128 | return scnprintf(buffer, PAGE_SIZE, |
583891c9 KB |
7129 | "%02X%02X%02X%02X%02X%02X%02X%02X" |
7130 | "%02X%02X%02X%02X%02X%02X%02X%02X\n", | |
5b083b30 KB |
7131 | unique_id[0], unique_id[1], unique_id[2], unique_id[3], |
7132 | unique_id[4], unique_id[5], unique_id[6], unique_id[7], | |
7133 | unique_id[8], unique_id[9], unique_id[10], unique_id[11], | |
7134 | unique_id[12], unique_id[13], unique_id[14], unique_id[15]); | |
cd128244 DC |
7135 | } |
7136 | ||
7137 | static ssize_t pqi_lunid_show(struct device *dev, | |
7138 | struct device_attribute *attr, char *buffer) | |
7139 | { | |
7140 | struct pqi_ctrl_info *ctrl_info; | |
7141 | struct scsi_device *sdev; | |
7142 | struct pqi_scsi_dev *device; | |
7143 | unsigned long flags; | |
7144 | u8 lunid[8]; | |
7145 | ||
7146 | sdev = to_scsi_device(dev); | |
7147 | ctrl_info = shost_to_hba(sdev->host); | |
7148 | ||
331f7e99 SB |
7149 | if (pqi_ctrl_offline(ctrl_info)) |
7150 | return -ENODEV; | |
7151 | ||
cd128244 DC |
7152 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7153 | ||
7154 | device = sdev->hostdata; | |
7155 | if (!device) { | |
8b664fef | 7156 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7157 | return -ENODEV; |
7158 | } | |
694c5d5b | 7159 | |
cd128244 DC |
7160 | memcpy(lunid, device->scsi3addr, sizeof(lunid)); |
7161 | ||
7162 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7163 | ||
a4256252 | 7164 | return scnprintf(buffer, PAGE_SIZE, "0x%8phN\n", lunid); |
cd128244 DC |
7165 | } |
7166 | ||
694c5d5b KB |
7167 | #define MAX_PATHS 8 |
7168 | ||
cd128244 DC |
7169 | static ssize_t pqi_path_info_show(struct device *dev, |
7170 | struct device_attribute *attr, char *buf) | |
7171 | { | |
7172 | struct pqi_ctrl_info *ctrl_info; | |
7173 | struct scsi_device *sdev; | |
7174 | struct pqi_scsi_dev *device; | |
7175 | unsigned long flags; | |
7176 | int i; | |
7177 | int output_len = 0; | |
7178 | u8 box; | |
7179 | u8 bay; | |
694c5d5b | 7180 | u8 path_map_index; |
cd128244 | 7181 | char *active; |
694c5d5b | 7182 | u8 phys_connector[2]; |
cd128244 DC |
7183 | |
7184 | sdev = to_scsi_device(dev); | |
7185 | ctrl_info = shost_to_hba(sdev->host); | |
7186 | ||
331f7e99 SB |
7187 | if (pqi_ctrl_offline(ctrl_info)) |
7188 | return -ENODEV; | |
7189 | ||
cd128244 DC |
7190 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7191 | ||
7192 | device = sdev->hostdata; | |
7193 | if (!device) { | |
8b664fef | 7194 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
cd128244 DC |
7195 | return -ENODEV; |
7196 | } | |
7197 | ||
7198 | bay = device->bay; | |
7199 | for (i = 0; i < MAX_PATHS; i++) { | |
694c5d5b | 7200 | path_map_index = 1 << i; |
cd128244 DC |
7201 | if (i == device->active_path_index) |
7202 | active = "Active"; | |
7203 | else if (device->path_map & path_map_index) | |
7204 | active = "Inactive"; | |
7205 | else | |
7206 | continue; | |
7207 | ||
7208 | output_len += scnprintf(buf + output_len, | |
7209 | PAGE_SIZE - output_len, | |
7210 | "[%d:%d:%d:%d] %20.20s ", | |
7211 | ctrl_info->scsi_host->host_no, | |
7212 | device->bus, device->target, | |
7213 | device->lun, | |
7214 | scsi_device_type(device->devtype)); | |
7215 | ||
7216 | if (device->devtype == TYPE_RAID || | |
7217 | pqi_is_logical_device(device)) | |
7218 | goto end_buffer; | |
7219 | ||
7220 | memcpy(&phys_connector, &device->phys_connector[i], | |
7221 | sizeof(phys_connector)); | |
7222 | if (phys_connector[0] < '0') | |
7223 | phys_connector[0] = '0'; | |
7224 | if (phys_connector[1] < '0') | |
7225 | phys_connector[1] = '0'; | |
7226 | ||
7227 | output_len += scnprintf(buf + output_len, | |
7228 | PAGE_SIZE - output_len, | |
7229 | "PORT: %.2s ", phys_connector); | |
7230 | ||
7231 | box = device->box[i]; | |
7232 | if (box != 0 && box != 0xFF) | |
7233 | output_len += scnprintf(buf + output_len, | |
7234 | PAGE_SIZE - output_len, | |
7235 | "BOX: %hhu ", box); | |
7236 | ||
7237 | if ((device->devtype == TYPE_DISK || | |
7238 | device->devtype == TYPE_ZBC) && | |
7239 | pqi_expose_device(device)) | |
7240 | output_len += scnprintf(buf + output_len, | |
7241 | PAGE_SIZE - output_len, | |
7242 | "BAY: %hhu ", bay); | |
7243 | ||
7244 | end_buffer: | |
7245 | output_len += scnprintf(buf + output_len, | |
7246 | PAGE_SIZE - output_len, | |
7247 | "%s\n", active); | |
7248 | } | |
7249 | ||
7250 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
694c5d5b | 7251 | |
cd128244 DC |
7252 | return output_len; |
7253 | } | |
7254 | ||
6c223761 KB |
7255 | static ssize_t pqi_sas_address_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 | u64 sas_address; | |
7263 | ||
7264 | sdev = to_scsi_device(dev); | |
7265 | ctrl_info = shost_to_hba(sdev->host); | |
7266 | ||
331f7e99 SB |
7267 | if (pqi_ctrl_offline(ctrl_info)) |
7268 | return -ENODEV; | |
7269 | ||
6c223761 KB |
7270 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7271 | ||
7272 | device = sdev->hostdata; | |
00598b05 | 7273 | if (!device) { |
8b664fef | 7274 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
6c223761 KB |
7275 | return -ENODEV; |
7276 | } | |
694c5d5b | 7277 | |
6c223761 KB |
7278 | sas_address = device->sas_address; |
7279 | ||
7280 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7281 | ||
a4256252 | 7282 | return scnprintf(buffer, PAGE_SIZE, "0x%016llx\n", sas_address); |
6c223761 KB |
7283 | } |
7284 | ||
7285 | static ssize_t pqi_ssd_smart_path_enabled_show(struct device *dev, | |
7286 | struct device_attribute *attr, char *buffer) | |
7287 | { | |
7288 | struct pqi_ctrl_info *ctrl_info; | |
7289 | struct scsi_device *sdev; | |
7290 | struct pqi_scsi_dev *device; | |
7291 | unsigned long flags; | |
7292 | ||
7293 | sdev = to_scsi_device(dev); | |
7294 | ctrl_info = shost_to_hba(sdev->host); | |
7295 | ||
331f7e99 SB |
7296 | if (pqi_ctrl_offline(ctrl_info)) |
7297 | return -ENODEV; | |
7298 | ||
6c223761 KB |
7299 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7300 | ||
7301 | device = sdev->hostdata; | |
8b664fef KB |
7302 | if (!device) { |
7303 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7304 | return -ENODEV; | |
7305 | } | |
7306 | ||
588a63fe | 7307 | buffer[0] = device->raid_bypass_enabled ? '1' : '0'; |
6c223761 KB |
7308 | buffer[1] = '\n'; |
7309 | buffer[2] = '\0'; | |
7310 | ||
7311 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7312 | ||
7313 | return 2; | |
7314 | } | |
7315 | ||
a9f93392 KB |
7316 | static ssize_t pqi_raid_level_show(struct device *dev, |
7317 | struct device_attribute *attr, char *buffer) | |
7318 | { | |
7319 | struct pqi_ctrl_info *ctrl_info; | |
7320 | struct scsi_device *sdev; | |
7321 | struct pqi_scsi_dev *device; | |
7322 | unsigned long flags; | |
7323 | char *raid_level; | |
7324 | ||
7325 | sdev = to_scsi_device(dev); | |
7326 | ctrl_info = shost_to_hba(sdev->host); | |
7327 | ||
331f7e99 SB |
7328 | if (pqi_ctrl_offline(ctrl_info)) |
7329 | return -ENODEV; | |
7330 | ||
a9f93392 KB |
7331 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7332 | ||
7333 | device = sdev->hostdata; | |
8b664fef KB |
7334 | if (!device) { |
7335 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7336 | return -ENODEV; | |
7337 | } | |
a9f93392 | 7338 | |
cbe42ac1 | 7339 | if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) |
a9f93392 KB |
7340 | raid_level = pqi_raid_level_to_string(device->raid_level); |
7341 | else | |
7342 | raid_level = "N/A"; | |
7343 | ||
7344 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7345 | ||
a4256252 | 7346 | return scnprintf(buffer, PAGE_SIZE, "%s\n", raid_level); |
a9f93392 KB |
7347 | } |
7348 | ||
8b664fef KB |
7349 | static ssize_t pqi_raid_bypass_cnt_show(struct device *dev, |
7350 | struct device_attribute *attr, char *buffer) | |
7351 | { | |
7352 | struct pqi_ctrl_info *ctrl_info; | |
7353 | struct scsi_device *sdev; | |
7354 | struct pqi_scsi_dev *device; | |
7355 | unsigned long flags; | |
80d560d9 | 7356 | unsigned int raid_bypass_cnt; |
8b664fef KB |
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 | ||
8b664fef KB |
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 | ||
80d560d9 | 7372 | raid_bypass_cnt = device->raid_bypass_cnt; |
8b664fef KB |
7373 | |
7374 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7375 | ||
a4256252 | 7376 | return scnprintf(buffer, PAGE_SIZE, "0x%x\n", raid_bypass_cnt); |
8b664fef KB |
7377 | } |
7378 | ||
2a47834d GW |
7379 | static ssize_t pqi_sas_ncq_prio_enable_show(struct device *dev, |
7380 | struct device_attribute *attr, char *buf) | |
7381 | { | |
7382 | struct pqi_ctrl_info *ctrl_info; | |
7383 | struct scsi_device *sdev; | |
7384 | struct pqi_scsi_dev *device; | |
7385 | unsigned long flags; | |
7386 | int output_len = 0; | |
7387 | ||
7388 | sdev = to_scsi_device(dev); | |
7389 | ctrl_info = shost_to_hba(sdev->host); | |
7390 | ||
331f7e99 SB |
7391 | if (pqi_ctrl_offline(ctrl_info)) |
7392 | return -ENODEV; | |
7393 | ||
2a47834d GW |
7394 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); |
7395 | ||
7396 | device = sdev->hostdata; | |
7397 | if (!device) { | |
7398 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7399 | return -ENODEV; | |
7400 | } | |
7401 | ||
7402 | output_len = snprintf(buf, PAGE_SIZE, "%d\n", | |
7403 | device->ncq_prio_enable); | |
7404 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7405 | ||
7406 | return output_len; | |
7407 | } | |
7408 | ||
7409 | static ssize_t pqi_sas_ncq_prio_enable_store(struct device *dev, | |
7410 | struct device_attribute *attr, | |
7411 | const char *buf, size_t count) | |
7412 | { | |
7413 | struct pqi_ctrl_info *ctrl_info; | |
7414 | struct scsi_device *sdev; | |
7415 | struct pqi_scsi_dev *device; | |
7416 | unsigned long flags; | |
7417 | u8 ncq_prio_enable = 0; | |
7418 | ||
7419 | if (kstrtou8(buf, 0, &ncq_prio_enable)) | |
7420 | return -EINVAL; | |
7421 | ||
7422 | sdev = to_scsi_device(dev); | |
7423 | ctrl_info = shost_to_hba(sdev->host); | |
7424 | ||
7425 | spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); | |
7426 | ||
7427 | device = sdev->hostdata; | |
7428 | ||
7429 | if (!device) { | |
7430 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7431 | return -ENODEV; | |
7432 | } | |
7433 | ||
68f79204 | 7434 | if (!device->ncq_prio_support) { |
2a47834d GW |
7435 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); |
7436 | return -EINVAL; | |
7437 | } | |
7438 | ||
7439 | device->ncq_prio_enable = ncq_prio_enable; | |
7440 | ||
7441 | spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); | |
7442 | ||
7443 | return strlen(buf); | |
7444 | } | |
7445 | ||
d2c7583f DB |
7446 | static ssize_t pqi_numa_node_show(struct device *dev, |
7447 | struct device_attribute *attr, char *buffer) | |
7448 | { | |
7449 | struct scsi_device *sdev; | |
7450 | struct pqi_ctrl_info *ctrl_info; | |
7451 | ||
7452 | sdev = to_scsi_device(dev); | |
7453 | ctrl_info = shost_to_hba(sdev->host); | |
7454 | ||
7455 | return scnprintf(buffer, PAGE_SIZE, "%d\n", ctrl_info->numa_node); | |
7456 | } | |
7457 | ||
cd128244 DC |
7458 | static DEVICE_ATTR(lunid, 0444, pqi_lunid_show, NULL); |
7459 | static DEVICE_ATTR(unique_id, 0444, pqi_unique_id_show, NULL); | |
7460 | static DEVICE_ATTR(path_info, 0444, pqi_path_info_show, NULL); | |
cbe0c7b1 | 7461 | static DEVICE_ATTR(sas_address, 0444, pqi_sas_address_show, NULL); |
8b664fef | 7462 | static DEVICE_ATTR(ssd_smart_path_enabled, 0444, pqi_ssd_smart_path_enabled_show, NULL); |
a9f93392 | 7463 | static DEVICE_ATTR(raid_level, 0444, pqi_raid_level_show, NULL); |
8b664fef | 7464 | static DEVICE_ATTR(raid_bypass_cnt, 0444, pqi_raid_bypass_cnt_show, NULL); |
2a47834d GW |
7465 | static DEVICE_ATTR(sas_ncq_prio_enable, 0644, |
7466 | pqi_sas_ncq_prio_enable_show, pqi_sas_ncq_prio_enable_store); | |
d2c7583f | 7467 | static DEVICE_ATTR(numa_node, 0444, pqi_numa_node_show, NULL); |
6c223761 | 7468 | |
64fc9015 BVA |
7469 | static struct attribute *pqi_sdev_attrs[] = { |
7470 | &dev_attr_lunid.attr, | |
7471 | &dev_attr_unique_id.attr, | |
7472 | &dev_attr_path_info.attr, | |
7473 | &dev_attr_sas_address.attr, | |
7474 | &dev_attr_ssd_smart_path_enabled.attr, | |
7475 | &dev_attr_raid_level.attr, | |
7476 | &dev_attr_raid_bypass_cnt.attr, | |
2a47834d | 7477 | &dev_attr_sas_ncq_prio_enable.attr, |
d2c7583f | 7478 | &dev_attr_numa_node.attr, |
6c223761 KB |
7479 | NULL |
7480 | }; | |
7481 | ||
64fc9015 BVA |
7482 | ATTRIBUTE_GROUPS(pqi_sdev); |
7483 | ||
077126d6 | 7484 | static const struct scsi_host_template pqi_driver_template = { |
6c223761 KB |
7485 | .module = THIS_MODULE, |
7486 | .name = DRIVER_NAME_SHORT, | |
7487 | .proc_name = DRIVER_NAME_SHORT, | |
7488 | .queuecommand = pqi_scsi_queue_command, | |
7489 | .scan_start = pqi_scan_start, | |
7490 | .scan_finished = pqi_scan_finished, | |
7491 | .this_id = -1, | |
6c223761 | 7492 | .eh_device_reset_handler = pqi_eh_device_reset_handler, |
153c45dd | 7493 | .eh_abort_handler = pqi_eh_abort_handler, |
6c223761 KB |
7494 | .ioctl = pqi_ioctl, |
7495 | .slave_alloc = pqi_slave_alloc, | |
ce143793 | 7496 | .slave_configure = pqi_slave_configure, |
2d80f405 | 7497 | .slave_destroy = pqi_slave_destroy, |
52198226 | 7498 | .map_queues = pqi_map_queues, |
64fc9015 BVA |
7499 | .sdev_groups = pqi_sdev_groups, |
7500 | .shost_groups = pqi_shost_groups, | |
c1ea387d | 7501 | .cmd_size = sizeof(struct pqi_cmd_priv), |
6c223761 KB |
7502 | }; |
7503 | ||
7504 | static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) | |
7505 | { | |
7506 | int rc; | |
7507 | struct Scsi_Host *shost; | |
7508 | ||
7509 | shost = scsi_host_alloc(&pqi_driver_template, sizeof(ctrl_info)); | |
7510 | if (!shost) { | |
583891c9 | 7511 | dev_err(&ctrl_info->pci_dev->dev, "scsi_host_alloc failed\n"); |
6c223761 KB |
7512 | return -ENOMEM; |
7513 | } | |
7514 | ||
7515 | shost->io_port = 0; | |
7516 | shost->n_io_port = 0; | |
7517 | shost->this_id = -1; | |
7518 | shost->max_channel = PQI_MAX_BUS; | |
7519 | shost->max_cmd_len = MAX_COMMAND_SIZE; | |
904f2bfd | 7520 | shost->max_lun = PQI_MAX_LUNS_PER_DEVICE; |
6c223761 KB |
7521 | shost->max_id = ~0; |
7522 | shost->max_sectors = ctrl_info->max_sectors; | |
7523 | shost->can_queue = ctrl_info->scsi_ml_can_queue; | |
7524 | shost->cmd_per_lun = shost->can_queue; | |
7525 | shost->sg_tablesize = ctrl_info->sg_tablesize; | |
7526 | shost->transportt = pqi_sas_transport_template; | |
52198226 | 7527 | shost->irq = pci_irq_vector(ctrl_info->pci_dev, 0); |
6c223761 KB |
7528 | shost->unique_id = shost->irq; |
7529 | shost->nr_hw_queues = ctrl_info->num_queue_groups; | |
c6d3ee20 | 7530 | shost->host_tagset = 1; |
6c223761 KB |
7531 | shost->hostdata[0] = (unsigned long)ctrl_info; |
7532 | ||
7533 | rc = scsi_add_host(shost, &ctrl_info->pci_dev->dev); | |
7534 | if (rc) { | |
583891c9 | 7535 | dev_err(&ctrl_info->pci_dev->dev, "scsi_add_host failed\n"); |
6c223761 KB |
7536 | goto free_host; |
7537 | } | |
7538 | ||
7539 | rc = pqi_add_sas_host(shost, ctrl_info); | |
7540 | if (rc) { | |
583891c9 | 7541 | dev_err(&ctrl_info->pci_dev->dev, "add SAS host failed\n"); |
6c223761 KB |
7542 | goto remove_host; |
7543 | } | |
7544 | ||
7545 | ctrl_info->scsi_host = shost; | |
7546 | ||
7547 | return 0; | |
7548 | ||
7549 | remove_host: | |
7550 | scsi_remove_host(shost); | |
7551 | free_host: | |
7552 | scsi_host_put(shost); | |
7553 | ||
7554 | return rc; | |
7555 | } | |
7556 | ||
7557 | static void pqi_unregister_scsi(struct pqi_ctrl_info *ctrl_info) | |
7558 | { | |
7559 | struct Scsi_Host *shost; | |
7560 | ||
7561 | pqi_delete_sas_host(ctrl_info); | |
7562 | ||
7563 | shost = ctrl_info->scsi_host; | |
7564 | if (!shost) | |
7565 | return; | |
7566 | ||
7567 | scsi_remove_host(shost); | |
7568 | scsi_host_put(shost); | |
7569 | } | |
7570 | ||
336b6819 KB |
7571 | static int pqi_wait_for_pqi_reset_completion(struct pqi_ctrl_info *ctrl_info) |
7572 | { | |
7573 | int rc = 0; | |
7574 | struct pqi_device_registers __iomem *pqi_registers; | |
7575 | unsigned long timeout; | |
7576 | unsigned int timeout_msecs; | |
7577 | union pqi_reset_register reset_reg; | |
6c223761 | 7578 | |
336b6819 KB |
7579 | pqi_registers = ctrl_info->pqi_registers; |
7580 | timeout_msecs = readw(&pqi_registers->max_reset_timeout) * 100; | |
7581 | timeout = msecs_to_jiffies(timeout_msecs) + jiffies; | |
7582 | ||
7583 | while (1) { | |
7584 | msleep(PQI_RESET_POLL_INTERVAL_MSECS); | |
7585 | reset_reg.all_bits = readl(&pqi_registers->device_reset); | |
7586 | if (reset_reg.bits.reset_action == PQI_RESET_ACTION_COMPLETED) | |
7587 | break; | |
85b41834 | 7588 | if (!sis_is_firmware_running(ctrl_info)) { |
336b6819 KB |
7589 | rc = -ENXIO; |
7590 | break; | |
7591 | } | |
7592 | if (time_after(jiffies, timeout)) { | |
7593 | rc = -ETIMEDOUT; | |
7594 | break; | |
7595 | } | |
7596 | } | |
7597 | ||
7598 | return rc; | |
7599 | } | |
6c223761 KB |
7600 | |
7601 | static int pqi_reset(struct pqi_ctrl_info *ctrl_info) | |
7602 | { | |
7603 | int rc; | |
336b6819 KB |
7604 | union pqi_reset_register reset_reg; |
7605 | ||
7606 | if (ctrl_info->pqi_reset_quiesce_supported) { | |
7607 | rc = sis_pqi_reset_quiesce(ctrl_info); | |
7608 | if (rc) { | |
7609 | dev_err(&ctrl_info->pci_dev->dev, | |
583891c9 | 7610 | "PQI reset failed during quiesce with error %d\n", rc); |
336b6819 KB |
7611 | return rc; |
7612 | } | |
7613 | } | |
6c223761 | 7614 | |
336b6819 KB |
7615 | reset_reg.all_bits = 0; |
7616 | reset_reg.bits.reset_type = PQI_RESET_TYPE_HARD_RESET; | |
7617 | reset_reg.bits.reset_action = PQI_RESET_ACTION_RESET; | |
6c223761 | 7618 | |
336b6819 | 7619 | writel(reset_reg.all_bits, &ctrl_info->pqi_registers->device_reset); |
6c223761 | 7620 | |
336b6819 | 7621 | rc = pqi_wait_for_pqi_reset_completion(ctrl_info); |
6c223761 KB |
7622 | if (rc) |
7623 | dev_err(&ctrl_info->pci_dev->dev, | |
336b6819 | 7624 | "PQI reset failed with error %d\n", rc); |
6c223761 KB |
7625 | |
7626 | return rc; | |
7627 | } | |
7628 | ||
6d90615f MB |
7629 | static int pqi_get_ctrl_serial_number(struct pqi_ctrl_info *ctrl_info) |
7630 | { | |
7631 | int rc; | |
7632 | struct bmic_sense_subsystem_info *sense_info; | |
7633 | ||
7634 | sense_info = kzalloc(sizeof(*sense_info), GFP_KERNEL); | |
7635 | if (!sense_info) | |
7636 | return -ENOMEM; | |
7637 | ||
7638 | rc = pqi_sense_subsystem_info(ctrl_info, sense_info); | |
7639 | if (rc) | |
7640 | goto out; | |
7641 | ||
7642 | memcpy(ctrl_info->serial_number, sense_info->ctrl_serial_number, | |
7643 | sizeof(sense_info->ctrl_serial_number)); | |
7644 | ctrl_info->serial_number[sizeof(sense_info->ctrl_serial_number)] = '\0'; | |
7645 | ||
7646 | out: | |
7647 | kfree(sense_info); | |
7648 | ||
7649 | return rc; | |
7650 | } | |
7651 | ||
7652 | static int pqi_get_ctrl_product_details(struct pqi_ctrl_info *ctrl_info) | |
6c223761 KB |
7653 | { |
7654 | int rc; | |
7655 | struct bmic_identify_controller *identify; | |
7656 | ||
7657 | identify = kmalloc(sizeof(*identify), GFP_KERNEL); | |
7658 | if (!identify) | |
7659 | return -ENOMEM; | |
7660 | ||
7661 | rc = pqi_identify_controller(ctrl_info, identify); | |
7662 | if (rc) | |
7663 | goto out; | |
7664 | ||
598bef8d KB |
7665 | if (get_unaligned_le32(&identify->extra_controller_flags) & |
7666 | BMIC_IDENTIFY_EXTRA_FLAGS_LONG_FW_VERSION_SUPPORTED) { | |
7667 | memcpy(ctrl_info->firmware_version, | |
7668 | identify->firmware_version_long, | |
7669 | sizeof(identify->firmware_version_long)); | |
7670 | } else { | |
7671 | memcpy(ctrl_info->firmware_version, | |
7672 | identify->firmware_version_short, | |
7673 | sizeof(identify->firmware_version_short)); | |
7674 | ctrl_info->firmware_version | |
7675 | [sizeof(identify->firmware_version_short)] = '\0'; | |
7676 | snprintf(ctrl_info->firmware_version + | |
7677 | strlen(ctrl_info->firmware_version), | |
7678 | sizeof(ctrl_info->firmware_version) - | |
7679 | sizeof(identify->firmware_version_short), | |
7680 | "-%u", | |
7681 | get_unaligned_le16(&identify->firmware_build_number)); | |
7682 | } | |
6c223761 | 7683 | |
6d90615f MB |
7684 | memcpy(ctrl_info->model, identify->product_id, |
7685 | sizeof(identify->product_id)); | |
7686 | ctrl_info->model[sizeof(identify->product_id)] = '\0'; | |
7687 | ||
7688 | memcpy(ctrl_info->vendor, identify->vendor_id, | |
7689 | sizeof(identify->vendor_id)); | |
7690 | ctrl_info->vendor[sizeof(identify->vendor_id)] = '\0'; | |
7691 | ||
1d393227 GW |
7692 | dev_info(&ctrl_info->pci_dev->dev, |
7693 | "Firmware version: %s\n", ctrl_info->firmware_version); | |
7694 | ||
6c223761 KB |
7695 | out: |
7696 | kfree(identify); | |
7697 | ||
7698 | return rc; | |
7699 | } | |
7700 | ||
b212c251 KB |
7701 | struct pqi_config_table_section_info { |
7702 | struct pqi_ctrl_info *ctrl_info; | |
7703 | void *section; | |
7704 | u32 section_offset; | |
7705 | void __iomem *section_iomem_addr; | |
7706 | }; | |
7707 | ||
7708 | static inline bool pqi_is_firmware_feature_supported( | |
7709 | struct pqi_config_table_firmware_features *firmware_features, | |
7710 | unsigned int bit_position) | |
98f87667 | 7711 | { |
b212c251 | 7712 | unsigned int byte_index; |
98f87667 | 7713 | |
b212c251 | 7714 | byte_index = bit_position / BITS_PER_BYTE; |
98f87667 | 7715 | |
b212c251 KB |
7716 | if (byte_index >= le16_to_cpu(firmware_features->num_elements)) |
7717 | return false; | |
98f87667 | 7718 | |
b212c251 KB |
7719 | return firmware_features->features_supported[byte_index] & |
7720 | (1 << (bit_position % BITS_PER_BYTE)) ? true : false; | |
7721 | } | |
7722 | ||
7723 | static inline bool pqi_is_firmware_feature_enabled( | |
7724 | struct pqi_config_table_firmware_features *firmware_features, | |
7725 | void __iomem *firmware_features_iomem_addr, | |
7726 | unsigned int bit_position) | |
7727 | { | |
7728 | unsigned int byte_index; | |
7729 | u8 __iomem *features_enabled_iomem_addr; | |
7730 | ||
7731 | byte_index = (bit_position / BITS_PER_BYTE) + | |
7732 | (le16_to_cpu(firmware_features->num_elements) * 2); | |
7733 | ||
7734 | features_enabled_iomem_addr = firmware_features_iomem_addr + | |
7735 | offsetof(struct pqi_config_table_firmware_features, | |
7736 | features_supported) + byte_index; | |
7737 | ||
7738 | return *((__force u8 *)features_enabled_iomem_addr) & | |
7739 | (1 << (bit_position % BITS_PER_BYTE)) ? true : false; | |
7740 | } | |
7741 | ||
7742 | static inline void pqi_request_firmware_feature( | |
7743 | struct pqi_config_table_firmware_features *firmware_features, | |
7744 | unsigned int bit_position) | |
7745 | { | |
7746 | unsigned int byte_index; | |
7747 | ||
7748 | byte_index = (bit_position / BITS_PER_BYTE) + | |
7749 | le16_to_cpu(firmware_features->num_elements); | |
7750 | ||
7751 | firmware_features->features_supported[byte_index] |= | |
7752 | (1 << (bit_position % BITS_PER_BYTE)); | |
7753 | } | |
7754 | ||
7755 | static int pqi_config_table_update(struct pqi_ctrl_info *ctrl_info, | |
7756 | u16 first_section, u16 last_section) | |
7757 | { | |
7758 | struct pqi_vendor_general_request request; | |
7759 | ||
7760 | memset(&request, 0, sizeof(request)); | |
7761 | ||
7762 | request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; | |
7763 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
7764 | &request.header.iu_length); | |
7765 | put_unaligned_le16(PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE, | |
7766 | &request.function_code); | |
7767 | put_unaligned_le16(first_section, | |
7768 | &request.data.config_table_update.first_section); | |
7769 | put_unaligned_le16(last_section, | |
7770 | &request.data.config_table_update.last_section); | |
7771 | ||
ae0c189d | 7772 | return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
b212c251 KB |
7773 | } |
7774 | ||
7775 | static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info, | |
7776 | struct pqi_config_table_firmware_features *firmware_features, | |
7777 | void __iomem *firmware_features_iomem_addr) | |
7778 | { | |
7779 | void *features_requested; | |
7780 | void __iomem *features_requested_iomem_addr; | |
f6cc2a77 | 7781 | void __iomem *host_max_known_feature_iomem_addr; |
b212c251 KB |
7782 | |
7783 | features_requested = firmware_features->features_supported + | |
7784 | le16_to_cpu(firmware_features->num_elements); | |
7785 | ||
7786 | features_requested_iomem_addr = firmware_features_iomem_addr + | |
7787 | (features_requested - (void *)firmware_features); | |
7788 | ||
7789 | memcpy_toio(features_requested_iomem_addr, features_requested, | |
7790 | le16_to_cpu(firmware_features->num_elements)); | |
7791 | ||
f6cc2a77 KB |
7792 | if (pqi_is_firmware_feature_supported(firmware_features, |
7793 | PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE)) { | |
7794 | host_max_known_feature_iomem_addr = | |
7795 | features_requested_iomem_addr + | |
7796 | (le16_to_cpu(firmware_features->num_elements) * 2) + | |
7797 | sizeof(__le16); | |
c23efd9e DB |
7798 | writeb(PQI_FIRMWARE_FEATURE_MAXIMUM & 0xFF, host_max_known_feature_iomem_addr); |
7799 | writeb((PQI_FIRMWARE_FEATURE_MAXIMUM & 0xFF00) >> 8, host_max_known_feature_iomem_addr + 1); | |
f6cc2a77 KB |
7800 | } |
7801 | ||
b212c251 KB |
7802 | return pqi_config_table_update(ctrl_info, |
7803 | PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES, | |
7804 | PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES); | |
7805 | } | |
7806 | ||
7807 | struct pqi_firmware_feature { | |
7808 | char *feature_name; | |
7809 | unsigned int feature_bit; | |
7810 | bool supported; | |
7811 | bool enabled; | |
7812 | void (*feature_status)(struct pqi_ctrl_info *ctrl_info, | |
7813 | struct pqi_firmware_feature *firmware_feature); | |
7814 | }; | |
7815 | ||
7816 | static void pqi_firmware_feature_status(struct pqi_ctrl_info *ctrl_info, | |
7817 | struct pqi_firmware_feature *firmware_feature) | |
7818 | { | |
7819 | if (!firmware_feature->supported) { | |
7820 | dev_info(&ctrl_info->pci_dev->dev, "%s not supported by controller\n", | |
7821 | firmware_feature->feature_name); | |
7822 | return; | |
7823 | } | |
7824 | ||
7825 | if (firmware_feature->enabled) { | |
7826 | dev_info(&ctrl_info->pci_dev->dev, | |
7827 | "%s enabled\n", firmware_feature->feature_name); | |
7828 | return; | |
7829 | } | |
7830 | ||
7831 | dev_err(&ctrl_info->pci_dev->dev, "failed to enable %s\n", | |
7832 | firmware_feature->feature_name); | |
7833 | } | |
7834 | ||
21432010 | 7835 | static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, |
7836 | struct pqi_firmware_feature *firmware_feature) | |
7837 | { | |
7838 | switch (firmware_feature->feature_bit) { | |
f6cc2a77 KB |
7839 | case PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS: |
7840 | ctrl_info->enable_r1_writes = firmware_feature->enabled; | |
7841 | break; | |
7842 | case PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS: | |
7843 | ctrl_info->enable_r5_writes = firmware_feature->enabled; | |
7844 | break; | |
7845 | case PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS: | |
7846 | ctrl_info->enable_r6_writes = firmware_feature->enabled; | |
7847 | break; | |
21432010 | 7848 | case PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE: |
7849 | ctrl_info->soft_reset_handshake_supported = | |
4ccc354b KB |
7850 | firmware_feature->enabled && |
7851 | pqi_read_soft_reset_status(ctrl_info); | |
21432010 | 7852 | break; |
7853 | case PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT: | |
583891c9 | 7854 | ctrl_info->raid_iu_timeout_supported = firmware_feature->enabled; |
21432010 | 7855 | break; |
c2922f17 | 7856 | case PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT: |
583891c9 | 7857 | ctrl_info->tmf_iu_timeout_supported = firmware_feature->enabled; |
c2922f17 | 7858 | break; |
5d1f03e6 MB |
7859 | case PQI_FIRMWARE_FEATURE_FW_TRIAGE: |
7860 | ctrl_info->firmware_triage_supported = firmware_feature->enabled; | |
9ee5d6e9 | 7861 | pqi_save_fw_triage_setting(ctrl_info, firmware_feature->enabled); |
5d1f03e6 | 7862 | break; |
28ca6d87 MM |
7863 | case PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5: |
7864 | ctrl_info->rpl_extended_format_4_5_supported = firmware_feature->enabled; | |
7865 | break; | |
904f2bfd KM |
7866 | case PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT: |
7867 | ctrl_info->multi_lun_device_supported = firmware_feature->enabled; | |
7868 | break; | |
21432010 | 7869 | } |
7870 | ||
7871 | pqi_firmware_feature_status(ctrl_info, firmware_feature); | |
7872 | } | |
7873 | ||
b212c251 KB |
7874 | static inline void pqi_firmware_feature_update(struct pqi_ctrl_info *ctrl_info, |
7875 | struct pqi_firmware_feature *firmware_feature) | |
7876 | { | |
7877 | if (firmware_feature->feature_status) | |
7878 | firmware_feature->feature_status(ctrl_info, firmware_feature); | |
7879 | } | |
7880 | ||
7881 | static DEFINE_MUTEX(pqi_firmware_features_mutex); | |
7882 | ||
7883 | static struct pqi_firmware_feature pqi_firmware_features[] = { | |
7884 | { | |
7885 | .feature_name = "Online Firmware Activation", | |
7886 | .feature_bit = PQI_FIRMWARE_FEATURE_OFA, | |
7887 | .feature_status = pqi_firmware_feature_status, | |
7888 | }, | |
7889 | { | |
7890 | .feature_name = "Serial Management Protocol", | |
7891 | .feature_bit = PQI_FIRMWARE_FEATURE_SMP, | |
7892 | .feature_status = pqi_firmware_feature_status, | |
7893 | }, | |
f6cc2a77 KB |
7894 | { |
7895 | .feature_name = "Maximum Known Feature", | |
7896 | .feature_bit = PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE, | |
7897 | .feature_status = pqi_firmware_feature_status, | |
7898 | }, | |
7899 | { | |
7900 | .feature_name = "RAID 0 Read Bypass", | |
7901 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_READ_BYPASS, | |
b212c251 KB |
7902 | .feature_status = pqi_firmware_feature_status, |
7903 | }, | |
7904 | { | |
f6cc2a77 KB |
7905 | .feature_name = "RAID 1 Read Bypass", |
7906 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_READ_BYPASS, | |
7907 | .feature_status = pqi_firmware_feature_status, | |
7908 | }, | |
7909 | { | |
7910 | .feature_name = "RAID 5 Read Bypass", | |
7911 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_READ_BYPASS, | |
b212c251 KB |
7912 | .feature_status = pqi_firmware_feature_status, |
7913 | }, | |
f6cc2a77 KB |
7914 | { |
7915 | .feature_name = "RAID 6 Read Bypass", | |
7916 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_READ_BYPASS, | |
7917 | .feature_status = pqi_firmware_feature_status, | |
7918 | }, | |
7919 | { | |
7920 | .feature_name = "RAID 0 Write Bypass", | |
7921 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_WRITE_BYPASS, | |
7922 | .feature_status = pqi_firmware_feature_status, | |
7923 | }, | |
7924 | { | |
7925 | .feature_name = "RAID 1 Write Bypass", | |
7926 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS, | |
7927 | .feature_status = pqi_ctrl_update_feature_flags, | |
7928 | }, | |
7929 | { | |
7930 | .feature_name = "RAID 5 Write Bypass", | |
7931 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS, | |
7932 | .feature_status = pqi_ctrl_update_feature_flags, | |
7933 | }, | |
7934 | { | |
7935 | .feature_name = "RAID 6 Write Bypass", | |
7936 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS, | |
7937 | .feature_status = pqi_ctrl_update_feature_flags, | |
7938 | }, | |
4fd22c13 MR |
7939 | { |
7940 | .feature_name = "New Soft Reset Handshake", | |
7941 | .feature_bit = PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE, | |
21432010 | 7942 | .feature_status = pqi_ctrl_update_feature_flags, |
7943 | }, | |
7944 | { | |
7945 | .feature_name = "RAID IU Timeout", | |
7946 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT, | |
7947 | .feature_status = pqi_ctrl_update_feature_flags, | |
4fd22c13 | 7948 | }, |
c2922f17 MB |
7949 | { |
7950 | .feature_name = "TMF IU Timeout", | |
7951 | .feature_bit = PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT, | |
7952 | .feature_status = pqi_ctrl_update_feature_flags, | |
7953 | }, | |
f6cc2a77 KB |
7954 | { |
7955 | .feature_name = "RAID Bypass on encrypted logical volumes on NVMe", | |
7956 | .feature_bit = PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME, | |
7957 | .feature_status = pqi_firmware_feature_status, | |
7958 | }, | |
5d1f03e6 MB |
7959 | { |
7960 | .feature_name = "Firmware Triage", | |
7961 | .feature_bit = PQI_FIRMWARE_FEATURE_FW_TRIAGE, | |
7962 | .feature_status = pqi_ctrl_update_feature_flags, | |
7963 | }, | |
28ca6d87 MM |
7964 | { |
7965 | .feature_name = "RPL Extended Formats 4 and 5", | |
7966 | .feature_bit = PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5, | |
7967 | .feature_status = pqi_ctrl_update_feature_flags, | |
7968 | }, | |
904f2bfd KM |
7969 | { |
7970 | .feature_name = "Multi-LUN Target", | |
7971 | .feature_bit = PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT, | |
7972 | .feature_status = pqi_ctrl_update_feature_flags, | |
7973 | }, | |
b212c251 KB |
7974 | }; |
7975 | ||
7976 | static void pqi_process_firmware_features( | |
7977 | struct pqi_config_table_section_info *section_info) | |
7978 | { | |
7979 | int rc; | |
7980 | struct pqi_ctrl_info *ctrl_info; | |
7981 | struct pqi_config_table_firmware_features *firmware_features; | |
7982 | void __iomem *firmware_features_iomem_addr; | |
7983 | unsigned int i; | |
7984 | unsigned int num_features_supported; | |
7985 | ||
7986 | ctrl_info = section_info->ctrl_info; | |
7987 | firmware_features = section_info->section; | |
7988 | firmware_features_iomem_addr = section_info->section_iomem_addr; | |
7989 | ||
7990 | for (i = 0, num_features_supported = 0; | |
7991 | i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
7992 | if (pqi_is_firmware_feature_supported(firmware_features, | |
7993 | pqi_firmware_features[i].feature_bit)) { | |
7994 | pqi_firmware_features[i].supported = true; | |
7995 | num_features_supported++; | |
7996 | } else { | |
7997 | pqi_firmware_feature_update(ctrl_info, | |
7998 | &pqi_firmware_features[i]); | |
7999 | } | |
8000 | } | |
8001 | ||
8002 | if (num_features_supported == 0) | |
8003 | return; | |
8004 | ||
8005 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
8006 | if (!pqi_firmware_features[i].supported) | |
8007 | continue; | |
8008 | pqi_request_firmware_feature(firmware_features, | |
8009 | pqi_firmware_features[i].feature_bit); | |
8010 | } | |
8011 | ||
8012 | rc = pqi_enable_firmware_features(ctrl_info, firmware_features, | |
8013 | firmware_features_iomem_addr); | |
8014 | if (rc) { | |
8015 | dev_err(&ctrl_info->pci_dev->dev, | |
8016 | "failed to enable firmware features in PQI configuration table\n"); | |
8017 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
8018 | if (!pqi_firmware_features[i].supported) | |
8019 | continue; | |
8020 | pqi_firmware_feature_update(ctrl_info, | |
8021 | &pqi_firmware_features[i]); | |
8022 | } | |
8023 | return; | |
8024 | } | |
8025 | ||
8026 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
8027 | if (!pqi_firmware_features[i].supported) | |
8028 | continue; | |
8029 | if (pqi_is_firmware_feature_enabled(firmware_features, | |
8030 | firmware_features_iomem_addr, | |
4fd22c13 | 8031 | pqi_firmware_features[i].feature_bit)) { |
583891c9 | 8032 | pqi_firmware_features[i].enabled = true; |
4fd22c13 | 8033 | } |
b212c251 KB |
8034 | pqi_firmware_feature_update(ctrl_info, |
8035 | &pqi_firmware_features[i]); | |
8036 | } | |
8037 | } | |
8038 | ||
8039 | static void pqi_init_firmware_features(void) | |
8040 | { | |
8041 | unsigned int i; | |
8042 | ||
8043 | for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { | |
8044 | pqi_firmware_features[i].supported = false; | |
8045 | pqi_firmware_features[i].enabled = false; | |
8046 | } | |
8047 | } | |
8048 | ||
8049 | static void pqi_process_firmware_features_section( | |
8050 | struct pqi_config_table_section_info *section_info) | |
8051 | { | |
8052 | mutex_lock(&pqi_firmware_features_mutex); | |
8053 | pqi_init_firmware_features(); | |
8054 | pqi_process_firmware_features(section_info); | |
8055 | mutex_unlock(&pqi_firmware_features_mutex); | |
8056 | } | |
8057 | ||
f6cc2a77 KB |
8058 | /* |
8059 | * Reset all controller settings that can be initialized during the processing | |
8060 | * of the PQI Configuration Table. | |
8061 | */ | |
8062 | ||
4ccc354b KB |
8063 | static void pqi_ctrl_reset_config(struct pqi_ctrl_info *ctrl_info) |
8064 | { | |
8065 | ctrl_info->heartbeat_counter = NULL; | |
8066 | ctrl_info->soft_reset_status = NULL; | |
8067 | ctrl_info->soft_reset_handshake_supported = false; | |
8068 | ctrl_info->enable_r1_writes = false; | |
8069 | ctrl_info->enable_r5_writes = false; | |
8070 | ctrl_info->enable_r6_writes = false; | |
8071 | ctrl_info->raid_iu_timeout_supported = false; | |
8072 | ctrl_info->tmf_iu_timeout_supported = false; | |
5d1f03e6 | 8073 | ctrl_info->firmware_triage_supported = false; |
28ca6d87 | 8074 | ctrl_info->rpl_extended_format_4_5_supported = false; |
904f2bfd | 8075 | ctrl_info->multi_lun_device_supported = false; |
4ccc354b KB |
8076 | } |
8077 | ||
98f87667 KB |
8078 | static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) |
8079 | { | |
8080 | u32 table_length; | |
8081 | u32 section_offset; | |
f6cc2a77 | 8082 | bool firmware_feature_section_present; |
98f87667 KB |
8083 | void __iomem *table_iomem_addr; |
8084 | struct pqi_config_table *config_table; | |
8085 | struct pqi_config_table_section_header *section; | |
b212c251 | 8086 | struct pqi_config_table_section_info section_info; |
921800a1 | 8087 | struct pqi_config_table_section_info feature_section_info = {0}; |
98f87667 KB |
8088 | |
8089 | table_length = ctrl_info->config_table_length; | |
b212c251 KB |
8090 | if (table_length == 0) |
8091 | return 0; | |
98f87667 KB |
8092 | |
8093 | config_table = kmalloc(table_length, GFP_KERNEL); | |
8094 | if (!config_table) { | |
8095 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8096 | "failed to allocate memory for PQI configuration table\n"); |
98f87667 KB |
8097 | return -ENOMEM; |
8098 | } | |
8099 | ||
8100 | /* | |
8101 | * Copy the config table contents from I/O memory space into the | |
8102 | * temporary buffer. | |
8103 | */ | |
583891c9 | 8104 | table_iomem_addr = ctrl_info->iomem_base + ctrl_info->config_table_offset; |
98f87667 KB |
8105 | memcpy_fromio(config_table, table_iomem_addr, table_length); |
8106 | ||
f6cc2a77 | 8107 | firmware_feature_section_present = false; |
b212c251 | 8108 | section_info.ctrl_info = ctrl_info; |
583891c9 | 8109 | section_offset = get_unaligned_le32(&config_table->first_section_offset); |
98f87667 KB |
8110 | |
8111 | while (section_offset) { | |
8112 | section = (void *)config_table + section_offset; | |
8113 | ||
b212c251 KB |
8114 | section_info.section = section; |
8115 | section_info.section_offset = section_offset; | |
583891c9 | 8116 | section_info.section_iomem_addr = table_iomem_addr + section_offset; |
b212c251 | 8117 | |
98f87667 | 8118 | switch (get_unaligned_le16(§ion->section_id)) { |
b212c251 | 8119 | case PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES: |
f6cc2a77 KB |
8120 | firmware_feature_section_present = true; |
8121 | feature_section_info = section_info; | |
b212c251 | 8122 | break; |
98f87667 | 8123 | case PQI_CONFIG_TABLE_SECTION_HEARTBEAT: |
5a259e32 KB |
8124 | if (pqi_disable_heartbeat) |
8125 | dev_warn(&ctrl_info->pci_dev->dev, | |
8126 | "heartbeat disabled by module parameter\n"); | |
8127 | else | |
8128 | ctrl_info->heartbeat_counter = | |
8129 | table_iomem_addr + | |
8130 | section_offset + | |
583891c9 | 8131 | offsetof(struct pqi_config_table_heartbeat, |
5a259e32 | 8132 | heartbeat_counter); |
98f87667 | 8133 | break; |
4fd22c13 MR |
8134 | case PQI_CONFIG_TABLE_SECTION_SOFT_RESET: |
8135 | ctrl_info->soft_reset_status = | |
8136 | table_iomem_addr + | |
8137 | section_offset + | |
8138 | offsetof(struct pqi_config_table_soft_reset, | |
583891c9 | 8139 | soft_reset_status); |
4fd22c13 | 8140 | break; |
98f87667 KB |
8141 | } |
8142 | ||
583891c9 | 8143 | section_offset = get_unaligned_le16(§ion->next_section_offset); |
98f87667 KB |
8144 | } |
8145 | ||
f6cc2a77 KB |
8146 | /* |
8147 | * We process the firmware feature section after all other sections | |
8148 | * have been processed so that the feature bit callbacks can take | |
8149 | * into account the settings configured by other sections. | |
8150 | */ | |
8151 | if (firmware_feature_section_present) | |
8152 | pqi_process_firmware_features_section(&feature_section_info); | |
8153 | ||
98f87667 KB |
8154 | kfree(config_table); |
8155 | ||
8156 | return 0; | |
8157 | } | |
8158 | ||
162d7753 KB |
8159 | /* Switches the controller from PQI mode back into SIS mode. */ |
8160 | ||
8161 | static int pqi_revert_to_sis_mode(struct pqi_ctrl_info *ctrl_info) | |
8162 | { | |
8163 | int rc; | |
8164 | ||
061ef06a | 8165 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_NONE); |
162d7753 KB |
8166 | rc = pqi_reset(ctrl_info); |
8167 | if (rc) | |
8168 | return rc; | |
4f078e24 KB |
8169 | rc = sis_reenable_sis_mode(ctrl_info); |
8170 | if (rc) { | |
8171 | dev_err(&ctrl_info->pci_dev->dev, | |
8172 | "re-enabling SIS mode failed with error %d\n", rc); | |
8173 | return rc; | |
8174 | } | |
162d7753 KB |
8175 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); |
8176 | ||
8177 | return 0; | |
8178 | } | |
8179 | ||
8180 | /* | |
8181 | * If the controller isn't already in SIS mode, this function forces it into | |
8182 | * SIS mode. | |
8183 | */ | |
8184 | ||
8185 | static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info) | |
ff6abb73 KB |
8186 | { |
8187 | if (!sis_is_firmware_running(ctrl_info)) | |
8188 | return -ENXIO; | |
8189 | ||
162d7753 KB |
8190 | if (pqi_get_ctrl_mode(ctrl_info) == SIS_MODE) |
8191 | return 0; | |
8192 | ||
8193 | if (sis_is_kernel_up(ctrl_info)) { | |
8194 | pqi_save_ctrl_mode(ctrl_info, SIS_MODE); | |
8195 | return 0; | |
ff6abb73 KB |
8196 | } |
8197 | ||
162d7753 | 8198 | return pqi_revert_to_sis_mode(ctrl_info); |
ff6abb73 KB |
8199 | } |
8200 | ||
3ada501d MR |
8201 | static void pqi_perform_lockup_action(void) |
8202 | { | |
8203 | switch (pqi_lockup_action) { | |
8204 | case PANIC: | |
8205 | panic("FATAL: Smart Family Controller lockup detected"); | |
8206 | break; | |
8207 | case REBOOT: | |
8208 | emergency_restart(); | |
8209 | break; | |
8210 | case NONE: | |
8211 | default: | |
8212 | break; | |
8213 | } | |
8214 | } | |
8215 | ||
6c223761 KB |
8216 | static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) |
8217 | { | |
8218 | int rc; | |
2708a256 | 8219 | u32 product_id; |
6c223761 | 8220 | |
0530736e | 8221 | if (reset_devices) { |
9ee5d6e9 MR |
8222 | if (pqi_is_fw_triage_supported(ctrl_info)) { |
8223 | rc = sis_wait_for_fw_triage_completion(ctrl_info); | |
8224 | if (rc) | |
8225 | return rc; | |
8226 | } | |
0530736e | 8227 | sis_soft_reset(ctrl_info); |
42dc0426 | 8228 | ssleep(PQI_POST_RESET_DELAY_SECS); |
0530736e KB |
8229 | } else { |
8230 | rc = pqi_force_sis_mode(ctrl_info); | |
8231 | if (rc) | |
8232 | return rc; | |
8233 | } | |
6c223761 KB |
8234 | |
8235 | /* | |
8236 | * Wait until the controller is ready to start accepting SIS | |
8237 | * commands. | |
8238 | */ | |
8239 | rc = sis_wait_for_ctrl_ready(ctrl_info); | |
3ada501d MR |
8240 | if (rc) { |
8241 | if (reset_devices) { | |
8242 | dev_err(&ctrl_info->pci_dev->dev, | |
8243 | "kdump init failed with error %d\n", rc); | |
8244 | pqi_lockup_action = REBOOT; | |
8245 | pqi_perform_lockup_action(); | |
8246 | } | |
6c223761 | 8247 | return rc; |
3ada501d | 8248 | } |
6c223761 KB |
8249 | |
8250 | /* | |
8251 | * Get the controller properties. This allows us to determine | |
8252 | * whether or not it supports PQI mode. | |
8253 | */ | |
8254 | rc = sis_get_ctrl_properties(ctrl_info); | |
8255 | if (rc) { | |
8256 | dev_err(&ctrl_info->pci_dev->dev, | |
8257 | "error obtaining controller properties\n"); | |
8258 | return rc; | |
8259 | } | |
8260 | ||
8261 | rc = sis_get_pqi_capabilities(ctrl_info); | |
8262 | if (rc) { | |
8263 | dev_err(&ctrl_info->pci_dev->dev, | |
8264 | "error obtaining controller capabilities\n"); | |
8265 | return rc; | |
8266 | } | |
8267 | ||
2708a256 KB |
8268 | product_id = sis_get_product_id(ctrl_info); |
8269 | ctrl_info->product_id = (u8)product_id; | |
8270 | ctrl_info->product_revision = (u8)(product_id >> 8); | |
8271 | ||
d727a776 KB |
8272 | if (reset_devices) { |
8273 | if (ctrl_info->max_outstanding_requests > | |
8274 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP) | |
583891c9 | 8275 | ctrl_info->max_outstanding_requests = |
d727a776 KB |
8276 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP; |
8277 | } else { | |
8278 | if (ctrl_info->max_outstanding_requests > | |
8279 | PQI_MAX_OUTSTANDING_REQUESTS) | |
583891c9 | 8280 | ctrl_info->max_outstanding_requests = |
d727a776 KB |
8281 | PQI_MAX_OUTSTANDING_REQUESTS; |
8282 | } | |
6c223761 KB |
8283 | |
8284 | pqi_calculate_io_resources(ctrl_info); | |
8285 | ||
8286 | rc = pqi_alloc_error_buffer(ctrl_info); | |
8287 | if (rc) { | |
8288 | dev_err(&ctrl_info->pci_dev->dev, | |
8289 | "failed to allocate PQI error buffer\n"); | |
8290 | return rc; | |
8291 | } | |
8292 | ||
8293 | /* | |
8294 | * If the function we are about to call succeeds, the | |
8295 | * controller will transition from legacy SIS mode | |
8296 | * into PQI mode. | |
8297 | */ | |
8298 | rc = sis_init_base_struct_addr(ctrl_info); | |
8299 | if (rc) { | |
8300 | dev_err(&ctrl_info->pci_dev->dev, | |
8301 | "error initializing PQI mode\n"); | |
8302 | return rc; | |
8303 | } | |
8304 | ||
8305 | /* Wait for the controller to complete the SIS -> PQI transition. */ | |
8306 | rc = pqi_wait_for_pqi_mode_ready(ctrl_info); | |
8307 | if (rc) { | |
8308 | dev_err(&ctrl_info->pci_dev->dev, | |
8309 | "transition to PQI mode failed\n"); | |
8310 | return rc; | |
8311 | } | |
8312 | ||
8313 | /* From here on, we are running in PQI mode. */ | |
8314 | ctrl_info->pqi_mode_enabled = true; | |
ff6abb73 | 8315 | pqi_save_ctrl_mode(ctrl_info, PQI_MODE); |
6c223761 KB |
8316 | |
8317 | rc = pqi_alloc_admin_queues(ctrl_info); | |
8318 | if (rc) { | |
8319 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8320 | "failed to allocate admin queues\n"); |
6c223761 KB |
8321 | return rc; |
8322 | } | |
8323 | ||
8324 | rc = pqi_create_admin_queues(ctrl_info); | |
8325 | if (rc) { | |
8326 | dev_err(&ctrl_info->pci_dev->dev, | |
8327 | "error creating admin queues\n"); | |
8328 | return rc; | |
8329 | } | |
8330 | ||
8331 | rc = pqi_report_device_capability(ctrl_info); | |
8332 | if (rc) { | |
8333 | dev_err(&ctrl_info->pci_dev->dev, | |
8334 | "obtaining device capability failed\n"); | |
8335 | return rc; | |
8336 | } | |
8337 | ||
8338 | rc = pqi_validate_device_capability(ctrl_info); | |
8339 | if (rc) | |
8340 | return rc; | |
8341 | ||
8342 | pqi_calculate_queue_resources(ctrl_info); | |
8343 | ||
8344 | rc = pqi_enable_msix_interrupts(ctrl_info); | |
8345 | if (rc) | |
8346 | return rc; | |
8347 | ||
8348 | if (ctrl_info->num_msix_vectors_enabled < ctrl_info->num_queue_groups) { | |
8349 | ctrl_info->max_msix_vectors = | |
8350 | ctrl_info->num_msix_vectors_enabled; | |
8351 | pqi_calculate_queue_resources(ctrl_info); | |
8352 | } | |
8353 | ||
8354 | rc = pqi_alloc_io_resources(ctrl_info); | |
8355 | if (rc) | |
8356 | return rc; | |
8357 | ||
8358 | rc = pqi_alloc_operational_queues(ctrl_info); | |
d87d5474 KB |
8359 | if (rc) { |
8360 | dev_err(&ctrl_info->pci_dev->dev, | |
8361 | "failed to allocate operational queues\n"); | |
6c223761 | 8362 | return rc; |
d87d5474 | 8363 | } |
6c223761 KB |
8364 | |
8365 | pqi_init_operational_queues(ctrl_info); | |
8366 | ||
0777a3fb | 8367 | rc = pqi_create_queues(ctrl_info); |
6c223761 KB |
8368 | if (rc) |
8369 | return rc; | |
8370 | ||
0777a3fb | 8371 | rc = pqi_request_irqs(ctrl_info); |
6c223761 KB |
8372 | if (rc) |
8373 | return rc; | |
8374 | ||
061ef06a KB |
8375 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_MSIX); |
8376 | ||
8377 | ctrl_info->controller_online = true; | |
b212c251 KB |
8378 | |
8379 | rc = pqi_process_config_table(ctrl_info); | |
8380 | if (rc) | |
8381 | return rc; | |
8382 | ||
061ef06a | 8383 | pqi_start_heartbeat_timer(ctrl_info); |
6c223761 | 8384 | |
f6cc2a77 KB |
8385 | if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { |
8386 | rc = pqi_get_advanced_raid_bypass_config(ctrl_info); | |
8387 | if (rc) { /* Supported features not returned correctly. */ | |
8388 | dev_err(&ctrl_info->pci_dev->dev, | |
8389 | "error obtaining advanced RAID bypass configuration\n"); | |
8390 | return rc; | |
8391 | } | |
8392 | ctrl_info->ciss_report_log_flags |= | |
8393 | CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; | |
8394 | } | |
8395 | ||
6a50d6ad | 8396 | rc = pqi_enable_events(ctrl_info); |
6c223761 KB |
8397 | if (rc) { |
8398 | dev_err(&ctrl_info->pci_dev->dev, | |
6a50d6ad | 8399 | "error enabling events\n"); |
6c223761 KB |
8400 | return rc; |
8401 | } | |
8402 | ||
6c223761 KB |
8403 | /* Register with the SCSI subsystem. */ |
8404 | rc = pqi_register_scsi(ctrl_info); | |
8405 | if (rc) | |
8406 | return rc; | |
8407 | ||
6d90615f MB |
8408 | rc = pqi_get_ctrl_product_details(ctrl_info); |
8409 | if (rc) { | |
8410 | dev_err(&ctrl_info->pci_dev->dev, | |
8411 | "error obtaining product details\n"); | |
8412 | return rc; | |
8413 | } | |
8414 | ||
8415 | rc = pqi_get_ctrl_serial_number(ctrl_info); | |
6c223761 KB |
8416 | if (rc) { |
8417 | dev_err(&ctrl_info->pci_dev->dev, | |
6d90615f | 8418 | "error obtaining ctrl serial number\n"); |
6c223761 KB |
8419 | return rc; |
8420 | } | |
8421 | ||
171c2865 DC |
8422 | rc = pqi_set_diag_rescan(ctrl_info); |
8423 | if (rc) { | |
8424 | dev_err(&ctrl_info->pci_dev->dev, | |
8425 | "error enabling multi-lun rescan\n"); | |
8426 | return rc; | |
8427 | } | |
8428 | ||
6c223761 KB |
8429 | rc = pqi_write_driver_version_to_host_wellness(ctrl_info); |
8430 | if (rc) { | |
8431 | dev_err(&ctrl_info->pci_dev->dev, | |
8432 | "error updating host wellness\n"); | |
8433 | return rc; | |
8434 | } | |
8435 | ||
8436 | pqi_schedule_update_time_worker(ctrl_info); | |
8437 | ||
8438 | pqi_scan_scsi_devices(ctrl_info); | |
8439 | ||
8440 | return 0; | |
8441 | } | |
8442 | ||
061ef06a KB |
8443 | static void pqi_reinit_queues(struct pqi_ctrl_info *ctrl_info) |
8444 | { | |
8445 | unsigned int i; | |
8446 | struct pqi_admin_queues *admin_queues; | |
8447 | struct pqi_event_queue *event_queue; | |
8448 | ||
8449 | admin_queues = &ctrl_info->admin_queues; | |
8450 | admin_queues->iq_pi_copy = 0; | |
8451 | admin_queues->oq_ci_copy = 0; | |
dac12fbc | 8452 | writel(0, admin_queues->oq_pi); |
061ef06a KB |
8453 | |
8454 | for (i = 0; i < ctrl_info->num_queue_groups; i++) { | |
8455 | ctrl_info->queue_groups[i].iq_pi_copy[RAID_PATH] = 0; | |
8456 | ctrl_info->queue_groups[i].iq_pi_copy[AIO_PATH] = 0; | |
8457 | ctrl_info->queue_groups[i].oq_ci_copy = 0; | |
8458 | ||
dac12fbc KB |
8459 | writel(0, ctrl_info->queue_groups[i].iq_ci[RAID_PATH]); |
8460 | writel(0, ctrl_info->queue_groups[i].iq_ci[AIO_PATH]); | |
8461 | writel(0, ctrl_info->queue_groups[i].oq_pi); | |
061ef06a KB |
8462 | } |
8463 | ||
8464 | event_queue = &ctrl_info->event_queue; | |
dac12fbc | 8465 | writel(0, event_queue->oq_pi); |
061ef06a KB |
8466 | event_queue->oq_ci_copy = 0; |
8467 | } | |
8468 | ||
8469 | static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) | |
8470 | { | |
8471 | int rc; | |
8472 | ||
8473 | rc = pqi_force_sis_mode(ctrl_info); | |
8474 | if (rc) | |
8475 | return rc; | |
8476 | ||
8477 | /* | |
8478 | * Wait until the controller is ready to start accepting SIS | |
8479 | * commands. | |
8480 | */ | |
8481 | rc = sis_wait_for_ctrl_ready_resume(ctrl_info); | |
8482 | if (rc) | |
8483 | return rc; | |
8484 | ||
4fd22c13 MR |
8485 | /* |
8486 | * Get the controller properties. This allows us to determine | |
8487 | * whether or not it supports PQI mode. | |
8488 | */ | |
8489 | rc = sis_get_ctrl_properties(ctrl_info); | |
8490 | if (rc) { | |
8491 | dev_err(&ctrl_info->pci_dev->dev, | |
8492 | "error obtaining controller properties\n"); | |
8493 | return rc; | |
8494 | } | |
8495 | ||
8496 | rc = sis_get_pqi_capabilities(ctrl_info); | |
8497 | if (rc) { | |
8498 | dev_err(&ctrl_info->pci_dev->dev, | |
8499 | "error obtaining controller capabilities\n"); | |
8500 | return rc; | |
8501 | } | |
8502 | ||
061ef06a KB |
8503 | /* |
8504 | * If the function we are about to call succeeds, the | |
8505 | * controller will transition from legacy SIS mode | |
8506 | * into PQI mode. | |
8507 | */ | |
8508 | rc = sis_init_base_struct_addr(ctrl_info); | |
8509 | if (rc) { | |
8510 | dev_err(&ctrl_info->pci_dev->dev, | |
8511 | "error initializing PQI mode\n"); | |
8512 | return rc; | |
8513 | } | |
8514 | ||
8515 | /* Wait for the controller to complete the SIS -> PQI transition. */ | |
8516 | rc = pqi_wait_for_pqi_mode_ready(ctrl_info); | |
8517 | if (rc) { | |
8518 | dev_err(&ctrl_info->pci_dev->dev, | |
8519 | "transition to PQI mode failed\n"); | |
8520 | return rc; | |
8521 | } | |
8522 | ||
8523 | /* From here on, we are running in PQI mode. */ | |
8524 | ctrl_info->pqi_mode_enabled = true; | |
8525 | pqi_save_ctrl_mode(ctrl_info, PQI_MODE); | |
8526 | ||
8527 | pqi_reinit_queues(ctrl_info); | |
8528 | ||
8529 | rc = pqi_create_admin_queues(ctrl_info); | |
8530 | if (rc) { | |
8531 | dev_err(&ctrl_info->pci_dev->dev, | |
8532 | "error creating admin queues\n"); | |
8533 | return rc; | |
8534 | } | |
8535 | ||
8536 | rc = pqi_create_queues(ctrl_info); | |
8537 | if (rc) | |
8538 | return rc; | |
8539 | ||
8540 | pqi_change_irq_mode(ctrl_info, IRQ_MODE_MSIX); | |
8541 | ||
8542 | ctrl_info->controller_online = true; | |
061ef06a KB |
8543 | pqi_ctrl_unblock_requests(ctrl_info); |
8544 | ||
4ccc354b KB |
8545 | pqi_ctrl_reset_config(ctrl_info); |
8546 | ||
4fd22c13 MR |
8547 | rc = pqi_process_config_table(ctrl_info); |
8548 | if (rc) | |
8549 | return rc; | |
8550 | ||
8551 | pqi_start_heartbeat_timer(ctrl_info); | |
8552 | ||
f6cc2a77 KB |
8553 | if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { |
8554 | rc = pqi_get_advanced_raid_bypass_config(ctrl_info); | |
8555 | if (rc) { | |
8556 | dev_err(&ctrl_info->pci_dev->dev, | |
8557 | "error obtaining advanced RAID bypass configuration\n"); | |
8558 | return rc; | |
8559 | } | |
8560 | ctrl_info->ciss_report_log_flags |= | |
8561 | CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; | |
8562 | } | |
8563 | ||
061ef06a KB |
8564 | rc = pqi_enable_events(ctrl_info); |
8565 | if (rc) { | |
8566 | dev_err(&ctrl_info->pci_dev->dev, | |
d87d5474 | 8567 | "error enabling events\n"); |
061ef06a KB |
8568 | return rc; |
8569 | } | |
8570 | ||
6d90615f | 8571 | rc = pqi_get_ctrl_product_details(ctrl_info); |
4fd22c13 MR |
8572 | if (rc) { |
8573 | dev_err(&ctrl_info->pci_dev->dev, | |
694c5d5b | 8574 | "error obtaining product details\n"); |
4fd22c13 MR |
8575 | return rc; |
8576 | } | |
8577 | ||
171c2865 DC |
8578 | rc = pqi_set_diag_rescan(ctrl_info); |
8579 | if (rc) { | |
8580 | dev_err(&ctrl_info->pci_dev->dev, | |
8581 | "error enabling multi-lun rescan\n"); | |
8582 | return rc; | |
8583 | } | |
8584 | ||
061ef06a KB |
8585 | rc = pqi_write_driver_version_to_host_wellness(ctrl_info); |
8586 | if (rc) { | |
8587 | dev_err(&ctrl_info->pci_dev->dev, | |
8588 | "error updating host wellness\n"); | |
8589 | return rc; | |
8590 | } | |
8591 | ||
2790cd4d KB |
8592 | if (pqi_ofa_in_progress(ctrl_info)) |
8593 | pqi_ctrl_unblock_scan(ctrl_info); | |
061ef06a KB |
8594 | |
8595 | pqi_scan_scsi_devices(ctrl_info); | |
8596 | ||
8597 | return 0; | |
8598 | } | |
8599 | ||
583891c9 | 8600 | static inline int pqi_set_pcie_completion_timeout(struct pci_dev *pci_dev, u16 timeout) |
a81ed5f3 | 8601 | { |
d20df83b BOS |
8602 | int rc; |
8603 | ||
8604 | rc = pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL2, | |
a81ed5f3 | 8605 | PCI_EXP_DEVCTL2_COMP_TIMEOUT, timeout); |
d20df83b BOS |
8606 | |
8607 | return pcibios_err_to_errno(rc); | |
a81ed5f3 KB |
8608 | } |
8609 | ||
6c223761 KB |
8610 | static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) |
8611 | { | |
8612 | int rc; | |
8613 | u64 mask; | |
8614 | ||
8615 | rc = pci_enable_device(ctrl_info->pci_dev); | |
8616 | if (rc) { | |
8617 | dev_err(&ctrl_info->pci_dev->dev, | |
8618 | "failed to enable PCI device\n"); | |
8619 | return rc; | |
8620 | } | |
8621 | ||
8622 | if (sizeof(dma_addr_t) > 4) | |
8623 | mask = DMA_BIT_MASK(64); | |
8624 | else | |
8625 | mask = DMA_BIT_MASK(32); | |
8626 | ||
1d94f06e | 8627 | rc = dma_set_mask_and_coherent(&ctrl_info->pci_dev->dev, mask); |
6c223761 KB |
8628 | if (rc) { |
8629 | dev_err(&ctrl_info->pci_dev->dev, "failed to set DMA mask\n"); | |
8630 | goto disable_device; | |
8631 | } | |
8632 | ||
8633 | rc = pci_request_regions(ctrl_info->pci_dev, DRIVER_NAME_SHORT); | |
8634 | if (rc) { | |
8635 | dev_err(&ctrl_info->pci_dev->dev, | |
8636 | "failed to obtain PCI resources\n"); | |
8637 | goto disable_device; | |
8638 | } | |
8639 | ||
4bdc0d67 | 8640 | ctrl_info->iomem_base = ioremap(pci_resource_start( |
6c223761 | 8641 | ctrl_info->pci_dev, 0), |
3e7e55aa | 8642 | pci_resource_len(ctrl_info->pci_dev, 0)); |
6c223761 KB |
8643 | if (!ctrl_info->iomem_base) { |
8644 | dev_err(&ctrl_info->pci_dev->dev, | |
8645 | "failed to map memory for controller registers\n"); | |
8646 | rc = -ENOMEM; | |
8647 | goto release_regions; | |
8648 | } | |
8649 | ||
a81ed5f3 KB |
8650 | #define PCI_EXP_COMP_TIMEOUT_65_TO_210_MS 0x6 |
8651 | ||
8652 | /* Increase the PCIe completion timeout. */ | |
8653 | rc = pqi_set_pcie_completion_timeout(ctrl_info->pci_dev, | |
8654 | PCI_EXP_COMP_TIMEOUT_65_TO_210_MS); | |
8655 | if (rc) { | |
8656 | dev_err(&ctrl_info->pci_dev->dev, | |
8657 | "failed to set PCIe completion timeout\n"); | |
8658 | goto release_regions; | |
8659 | } | |
8660 | ||
6c223761 KB |
8661 | /* Enable bus mastering. */ |
8662 | pci_set_master(ctrl_info->pci_dev); | |
8663 | ||
cbe0c7b1 KB |
8664 | ctrl_info->registers = ctrl_info->iomem_base; |
8665 | ctrl_info->pqi_registers = &ctrl_info->registers->pqi_registers; | |
8666 | ||
6c223761 KB |
8667 | pci_set_drvdata(ctrl_info->pci_dev, ctrl_info); |
8668 | ||
8669 | return 0; | |
8670 | ||
8671 | release_regions: | |
8672 | pci_release_regions(ctrl_info->pci_dev); | |
8673 | disable_device: | |
8674 | pci_disable_device(ctrl_info->pci_dev); | |
8675 | ||
8676 | return rc; | |
8677 | } | |
8678 | ||
8679 | static void pqi_cleanup_pci_init(struct pqi_ctrl_info *ctrl_info) | |
8680 | { | |
8681 | iounmap(ctrl_info->iomem_base); | |
8682 | pci_release_regions(ctrl_info->pci_dev); | |
cbe0c7b1 KB |
8683 | if (pci_is_enabled(ctrl_info->pci_dev)) |
8684 | pci_disable_device(ctrl_info->pci_dev); | |
6c223761 KB |
8685 | pci_set_drvdata(ctrl_info->pci_dev, NULL); |
8686 | } | |
8687 | ||
8688 | static struct pqi_ctrl_info *pqi_alloc_ctrl_info(int numa_node) | |
8689 | { | |
8690 | struct pqi_ctrl_info *ctrl_info; | |
8691 | ||
8692 | ctrl_info = kzalloc_node(sizeof(struct pqi_ctrl_info), | |
8693 | GFP_KERNEL, numa_node); | |
8694 | if (!ctrl_info) | |
8695 | return NULL; | |
8696 | ||
8697 | mutex_init(&ctrl_info->scan_mutex); | |
7561a7e4 | 8698 | mutex_init(&ctrl_info->lun_reset_mutex); |
4fd22c13 | 8699 | mutex_init(&ctrl_info->ofa_mutex); |
6c223761 KB |
8700 | |
8701 | INIT_LIST_HEAD(&ctrl_info->scsi_device_list); | |
8702 | spin_lock_init(&ctrl_info->scsi_device_list_lock); | |
8703 | ||
8704 | INIT_WORK(&ctrl_info->event_work, pqi_event_worker); | |
8705 | atomic_set(&ctrl_info->num_interrupts, 0); | |
8706 | ||
8707 | INIT_DELAYED_WORK(&ctrl_info->rescan_work, pqi_rescan_worker); | |
8708 | INIT_DELAYED_WORK(&ctrl_info->update_time_work, pqi_update_time_worker); | |
8709 | ||
74a0f573 | 8710 | timer_setup(&ctrl_info->heartbeat_timer, pqi_heartbeat_timer_handler, 0); |
5f310425 | 8711 | INIT_WORK(&ctrl_info->ctrl_offline_work, pqi_ctrl_offline_worker); |
98f87667 | 8712 | |
2790cd4d KB |
8713 | INIT_WORK(&ctrl_info->ofa_memory_alloc_work, pqi_ofa_memory_alloc_worker); |
8714 | INIT_WORK(&ctrl_info->ofa_quiesce_work, pqi_ofa_quiesce_worker); | |
8715 | ||
6c223761 KB |
8716 | sema_init(&ctrl_info->sync_request_sem, |
8717 | PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS); | |
7561a7e4 | 8718 | init_waitqueue_head(&ctrl_info->block_requests_wait); |
6c223761 KB |
8719 | |
8720 | ctrl_info->ctrl_id = atomic_inc_return(&pqi_controller_count) - 1; | |
061ef06a | 8721 | ctrl_info->irq_mode = IRQ_MODE_NONE; |
6c223761 KB |
8722 | ctrl_info->max_msix_vectors = PQI_MAX_MSIX_VECTORS; |
8723 | ||
f6cc2a77 KB |
8724 | ctrl_info->ciss_report_log_flags = CISS_REPORT_LOG_FLAG_UNIQUE_LUN_ID; |
8725 | ctrl_info->max_transfer_encrypted_sas_sata = | |
8726 | PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_SAS_SATA; | |
8727 | ctrl_info->max_transfer_encrypted_nvme = | |
8728 | PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_NVME; | |
8729 | ctrl_info->max_write_raid_5_6 = PQI_DEFAULT_MAX_WRITE_RAID_5_6; | |
8730 | ctrl_info->max_write_raid_1_10_2drive = ~0; | |
8731 | ctrl_info->max_write_raid_1_10_3drive = ~0; | |
cf15c3e7 | 8732 | ctrl_info->disable_managed_interrupts = pqi_disable_managed_interrupts; |
f6cc2a77 | 8733 | |
6c223761 KB |
8734 | return ctrl_info; |
8735 | } | |
8736 | ||
8737 | static inline void pqi_free_ctrl_info(struct pqi_ctrl_info *ctrl_info) | |
8738 | { | |
8739 | kfree(ctrl_info); | |
8740 | } | |
8741 | ||
8742 | static void pqi_free_interrupts(struct pqi_ctrl_info *ctrl_info) | |
8743 | { | |
98bf061b KB |
8744 | pqi_free_irqs(ctrl_info); |
8745 | pqi_disable_msix_interrupts(ctrl_info); | |
6c223761 KB |
8746 | } |
8747 | ||
8748 | static void pqi_free_ctrl_resources(struct pqi_ctrl_info *ctrl_info) | |
8749 | { | |
6c223761 KB |
8750 | pqi_free_interrupts(ctrl_info); |
8751 | if (ctrl_info->queue_memory_base) | |
8752 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8753 | ctrl_info->queue_memory_length, | |
8754 | ctrl_info->queue_memory_base, | |
8755 | ctrl_info->queue_memory_base_dma_handle); | |
8756 | if (ctrl_info->admin_queue_memory_base) | |
8757 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8758 | ctrl_info->admin_queue_memory_length, | |
8759 | ctrl_info->admin_queue_memory_base, | |
8760 | ctrl_info->admin_queue_memory_base_dma_handle); | |
8761 | pqi_free_all_io_requests(ctrl_info); | |
8762 | if (ctrl_info->error_buffer) | |
8763 | dma_free_coherent(&ctrl_info->pci_dev->dev, | |
8764 | ctrl_info->error_buffer_length, | |
8765 | ctrl_info->error_buffer, | |
8766 | ctrl_info->error_buffer_dma_handle); | |
8767 | if (ctrl_info->iomem_base) | |
8768 | pqi_cleanup_pci_init(ctrl_info); | |
8769 | pqi_free_ctrl_info(ctrl_info); | |
8770 | } | |
8771 | ||
8772 | static void pqi_remove_ctrl(struct pqi_ctrl_info *ctrl_info) | |
8773 | { | |
331f7e99 SB |
8774 | ctrl_info->controller_online = false; |
8775 | pqi_stop_heartbeat_timer(ctrl_info); | |
8776 | pqi_ctrl_block_requests(ctrl_info); | |
061ef06a KB |
8777 | pqi_cancel_rescan_worker(ctrl_info); |
8778 | pqi_cancel_update_time_worker(ctrl_info); | |
331f7e99 SB |
8779 | if (ctrl_info->ctrl_removal_state == PQI_CTRL_SURPRISE_REMOVAL) { |
8780 | pqi_fail_all_outstanding_requests(ctrl_info); | |
8781 | ctrl_info->pqi_mode_enabled = false; | |
8782 | } | |
e57a1f9b | 8783 | pqi_unregister_scsi(ctrl_info); |
162d7753 KB |
8784 | if (ctrl_info->pqi_mode_enabled) |
8785 | pqi_revert_to_sis_mode(ctrl_info); | |
6c223761 KB |
8786 | pqi_free_ctrl_resources(ctrl_info); |
8787 | } | |
8788 | ||
4fd22c13 MR |
8789 | static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info) |
8790 | { | |
2790cd4d KB |
8791 | pqi_ctrl_block_scan(ctrl_info); |
8792 | pqi_scsi_block_requests(ctrl_info); | |
8793 | pqi_ctrl_block_device_reset(ctrl_info); | |
4fd22c13 MR |
8794 | pqi_ctrl_block_requests(ctrl_info); |
8795 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
4fd22c13 | 8796 | pqi_stop_heartbeat_timer(ctrl_info); |
4fd22c13 MR |
8797 | } |
8798 | ||
8799 | static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info) | |
8800 | { | |
4fd22c13 | 8801 | pqi_start_heartbeat_timer(ctrl_info); |
2790cd4d KB |
8802 | pqi_ctrl_unblock_requests(ctrl_info); |
8803 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
8804 | pqi_scsi_unblock_requests(ctrl_info); | |
8805 | pqi_ctrl_unblock_scan(ctrl_info); | |
4fd22c13 MR |
8806 | } |
8807 | ||
2790cd4d | 8808 | static int pqi_ofa_alloc_mem(struct pqi_ctrl_info *ctrl_info, u32 total_size, u32 chunk_size) |
4fd22c13 | 8809 | { |
4fd22c13 | 8810 | int i; |
2790cd4d | 8811 | u32 sg_count; |
4fd22c13 MR |
8812 | struct device *dev; |
8813 | struct pqi_ofa_memory *ofap; | |
2790cd4d KB |
8814 | struct pqi_sg_descriptor *mem_descriptor; |
8815 | dma_addr_t dma_handle; | |
4fd22c13 MR |
8816 | |
8817 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; | |
8818 | ||
2790cd4d KB |
8819 | sg_count = DIV_ROUND_UP(total_size, chunk_size); |
8820 | if (sg_count == 0 || sg_count > PQI_OFA_MAX_SG_DESCRIPTORS) | |
4fd22c13 MR |
8821 | goto out; |
8822 | ||
2790cd4d | 8823 | ctrl_info->pqi_ofa_chunk_virt_addr = kmalloc_array(sg_count, sizeof(void *), GFP_KERNEL); |
4fd22c13 MR |
8824 | if (!ctrl_info->pqi_ofa_chunk_virt_addr) |
8825 | goto out; | |
8826 | ||
2790cd4d | 8827 | dev = &ctrl_info->pci_dev->dev; |
4fd22c13 | 8828 | |
2790cd4d | 8829 | for (i = 0; i < sg_count; i++) { |
4fd22c13 | 8830 | ctrl_info->pqi_ofa_chunk_virt_addr[i] = |
2790cd4d | 8831 | dma_alloc_coherent(dev, chunk_size, &dma_handle, GFP_KERNEL); |
4fd22c13 | 8832 | if (!ctrl_info->pqi_ofa_chunk_virt_addr[i]) |
2790cd4d | 8833 | goto out_free_chunks; |
4fd22c13 | 8834 | mem_descriptor = &ofap->sg_descriptor[i]; |
583891c9 KB |
8835 | put_unaligned_le64((u64)dma_handle, &mem_descriptor->address); |
8836 | put_unaligned_le32(chunk_size, &mem_descriptor->length); | |
4fd22c13 MR |
8837 | } |
8838 | ||
4fd22c13 MR |
8839 | put_unaligned_le32(CISS_SG_LAST, &mem_descriptor->flags); |
8840 | put_unaligned_le16(sg_count, &ofap->num_memory_descriptors); | |
2790cd4d | 8841 | put_unaligned_le32(sg_count * chunk_size, &ofap->bytes_allocated); |
4fd22c13 MR |
8842 | |
8843 | return 0; | |
8844 | ||
8845 | out_free_chunks: | |
8846 | while (--i >= 0) { | |
8847 | mem_descriptor = &ofap->sg_descriptor[i]; | |
8848 | dma_free_coherent(dev, chunk_size, | |
2790cd4d KB |
8849 | ctrl_info->pqi_ofa_chunk_virt_addr[i], |
8850 | get_unaligned_le64(&mem_descriptor->address)); | |
4fd22c13 MR |
8851 | } |
8852 | kfree(ctrl_info->pqi_ofa_chunk_virt_addr); | |
8853 | ||
8854 | out: | |
4fd22c13 MR |
8855 | return -ENOMEM; |
8856 | } | |
8857 | ||
8858 | static int pqi_ofa_alloc_host_buffer(struct pqi_ctrl_info *ctrl_info) | |
8859 | { | |
8860 | u32 total_size; | |
2790cd4d | 8861 | u32 chunk_size; |
4fd22c13 | 8862 | u32 min_chunk_size; |
4fd22c13 | 8863 | |
2790cd4d KB |
8864 | if (ctrl_info->ofa_bytes_requested == 0) |
8865 | return 0; | |
4fd22c13 | 8866 | |
2790cd4d KB |
8867 | total_size = PAGE_ALIGN(ctrl_info->ofa_bytes_requested); |
8868 | min_chunk_size = DIV_ROUND_UP(total_size, PQI_OFA_MAX_SG_DESCRIPTORS); | |
8869 | min_chunk_size = PAGE_ALIGN(min_chunk_size); | |
4fd22c13 | 8870 | |
2790cd4d KB |
8871 | for (chunk_size = total_size; chunk_size >= min_chunk_size;) { |
8872 | if (pqi_ofa_alloc_mem(ctrl_info, total_size, chunk_size) == 0) | |
4fd22c13 | 8873 | return 0; |
2790cd4d KB |
8874 | chunk_size /= 2; |
8875 | chunk_size = PAGE_ALIGN(chunk_size); | |
8876 | } | |
4fd22c13 MR |
8877 | |
8878 | return -ENOMEM; | |
8879 | } | |
8880 | ||
2790cd4d | 8881 | static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info) |
4fd22c13 | 8882 | { |
4fd22c13 | 8883 | struct device *dev; |
2790cd4d | 8884 | struct pqi_ofa_memory *ofap; |
4fd22c13 MR |
8885 | |
8886 | dev = &ctrl_info->pci_dev->dev; | |
4fd22c13 | 8887 | |
2790cd4d KB |
8888 | ofap = dma_alloc_coherent(dev, sizeof(*ofap), |
8889 | &ctrl_info->pqi_ofa_mem_dma_handle, GFP_KERNEL); | |
8890 | if (!ofap) | |
4fd22c13 MR |
8891 | return; |
8892 | ||
2790cd4d | 8893 | ctrl_info->pqi_ofa_mem_virt_addr = ofap; |
4fd22c13 MR |
8894 | |
8895 | if (pqi_ofa_alloc_host_buffer(ctrl_info) < 0) { | |
2790cd4d KB |
8896 | dev_err(dev, |
8897 | "failed to allocate host buffer for Online Firmware Activation\n"); | |
8898 | dma_free_coherent(dev, sizeof(*ofap), ofap, ctrl_info->pqi_ofa_mem_dma_handle); | |
8899 | ctrl_info->pqi_ofa_mem_virt_addr = NULL; | |
8900 | return; | |
4fd22c13 | 8901 | } |
694c5d5b | 8902 | |
2790cd4d KB |
8903 | put_unaligned_le16(PQI_OFA_VERSION, &ofap->version); |
8904 | memcpy(&ofap->signature, PQI_OFA_SIGNATURE, sizeof(ofap->signature)); | |
4fd22c13 MR |
8905 | } |
8906 | ||
8907 | static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info) | |
8908 | { | |
2790cd4d KB |
8909 | unsigned int i; |
8910 | struct device *dev; | |
4fd22c13 | 8911 | struct pqi_ofa_memory *ofap; |
2790cd4d KB |
8912 | struct pqi_sg_descriptor *mem_descriptor; |
8913 | unsigned int num_memory_descriptors; | |
4fd22c13 MR |
8914 | |
8915 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; | |
4fd22c13 MR |
8916 | if (!ofap) |
8917 | return; | |
8918 | ||
2790cd4d KB |
8919 | dev = &ctrl_info->pci_dev->dev; |
8920 | ||
8921 | if (get_unaligned_le32(&ofap->bytes_allocated) == 0) | |
4fd22c13 MR |
8922 | goto out; |
8923 | ||
8924 | mem_descriptor = ofap->sg_descriptor; | |
2790cd4d KB |
8925 | num_memory_descriptors = |
8926 | get_unaligned_le16(&ofap->num_memory_descriptors); | |
4fd22c13 | 8927 | |
2790cd4d KB |
8928 | for (i = 0; i < num_memory_descriptors; i++) { |
8929 | dma_free_coherent(dev, | |
4fd22c13 MR |
8930 | get_unaligned_le32(&mem_descriptor[i].length), |
8931 | ctrl_info->pqi_ofa_chunk_virt_addr[i], | |
8932 | get_unaligned_le64(&mem_descriptor[i].address)); | |
8933 | } | |
8934 | kfree(ctrl_info->pqi_ofa_chunk_virt_addr); | |
8935 | ||
8936 | out: | |
2790cd4d KB |
8937 | dma_free_coherent(dev, sizeof(*ofap), ofap, |
8938 | ctrl_info->pqi_ofa_mem_dma_handle); | |
4fd22c13 MR |
8939 | ctrl_info->pqi_ofa_mem_virt_addr = NULL; |
8940 | } | |
8941 | ||
8942 | static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info) | |
8943 | { | |
2790cd4d | 8944 | u32 buffer_length; |
4fd22c13 | 8945 | struct pqi_vendor_general_request request; |
4fd22c13 MR |
8946 | struct pqi_ofa_memory *ofap; |
8947 | ||
8948 | memset(&request, 0, sizeof(request)); | |
8949 | ||
4fd22c13 MR |
8950 | request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; |
8951 | put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, | |
8952 | &request.header.iu_length); | |
8953 | put_unaligned_le16(PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE, | |
8954 | &request.function_code); | |
8955 | ||
2790cd4d KB |
8956 | ofap = ctrl_info->pqi_ofa_mem_virt_addr; |
8957 | ||
4fd22c13 | 8958 | if (ofap) { |
2790cd4d | 8959 | buffer_length = offsetof(struct pqi_ofa_memory, sg_descriptor) + |
4fd22c13 MR |
8960 | get_unaligned_le16(&ofap->num_memory_descriptors) * |
8961 | sizeof(struct pqi_sg_descriptor); | |
8962 | ||
8963 | put_unaligned_le64((u64)ctrl_info->pqi_ofa_mem_dma_handle, | |
8964 | &request.data.ofa_memory_allocation.buffer_address); | |
2790cd4d | 8965 | put_unaligned_le32(buffer_length, |
4fd22c13 | 8966 | &request.data.ofa_memory_allocation.buffer_length); |
4fd22c13 MR |
8967 | } |
8968 | ||
ae0c189d | 8969 | return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); |
4fd22c13 MR |
8970 | } |
8971 | ||
2790cd4d | 8972 | static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs) |
4fd22c13 | 8973 | { |
2790cd4d KB |
8974 | ssleep(delay_secs); |
8975 | ||
4fd22c13 MR |
8976 | return pqi_ctrl_init_resume(ctrl_info); |
8977 | } | |
8978 | ||
5f310425 KB |
8979 | static struct pqi_raid_error_info pqi_ctrl_offline_raid_error_info = { |
8980 | .data_out_result = PQI_DATA_IN_OUT_HARDWARE_ERROR, | |
8981 | .status = SAM_STAT_CHECK_CONDITION, | |
8982 | }; | |
8983 | ||
8984 | static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info) | |
376fb880 KB |
8985 | { |
8986 | unsigned int i; | |
376fb880 | 8987 | struct pqi_io_request *io_request; |
376fb880 | 8988 | struct scsi_cmnd *scmd; |
4f3cefc3 | 8989 | struct scsi_device *sdev; |
376fb880 | 8990 | |
5f310425 KB |
8991 | for (i = 0; i < ctrl_info->max_io_slots; i++) { |
8992 | io_request = &ctrl_info->io_request_pool[i]; | |
8993 | if (atomic_read(&io_request->refcount) == 0) | |
8994 | continue; | |
376fb880 | 8995 | |
5f310425 KB |
8996 | scmd = io_request->scmd; |
8997 | if (scmd) { | |
4f3cefc3 MR |
8998 | sdev = scmd->device; |
8999 | if (!sdev || !scsi_device_online(sdev)) { | |
9000 | pqi_free_io_request(io_request); | |
9001 | continue; | |
9002 | } else { | |
9003 | set_host_byte(scmd, DID_NO_CONNECT); | |
9004 | } | |
5f310425 KB |
9005 | } else { |
9006 | io_request->status = -ENXIO; | |
9007 | io_request->error_info = | |
9008 | &pqi_ctrl_offline_raid_error_info; | |
376fb880 | 9009 | } |
5f310425 KB |
9010 | |
9011 | io_request->io_complete_callback(io_request, | |
9012 | io_request->context); | |
376fb880 KB |
9013 | } |
9014 | } | |
9015 | ||
5f310425 | 9016 | static void pqi_take_ctrl_offline_deferred(struct pqi_ctrl_info *ctrl_info) |
376fb880 | 9017 | { |
5f310425 KB |
9018 | pqi_perform_lockup_action(); |
9019 | pqi_stop_heartbeat_timer(ctrl_info); | |
9020 | pqi_free_interrupts(ctrl_info); | |
9021 | pqi_cancel_rescan_worker(ctrl_info); | |
9022 | pqi_cancel_update_time_worker(ctrl_info); | |
9023 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
9024 | pqi_fail_all_outstanding_requests(ctrl_info); | |
5f310425 KB |
9025 | pqi_ctrl_unblock_requests(ctrl_info); |
9026 | } | |
9027 | ||
9028 | static void pqi_ctrl_offline_worker(struct work_struct *work) | |
9029 | { | |
9030 | struct pqi_ctrl_info *ctrl_info; | |
9031 | ||
9032 | ctrl_info = container_of(work, struct pqi_ctrl_info, ctrl_offline_work); | |
9033 | pqi_take_ctrl_offline_deferred(ctrl_info); | |
376fb880 KB |
9034 | } |
9035 | ||
72b737fa DS |
9036 | static char *pqi_ctrl_shutdown_reason_to_string(enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) |
9037 | { | |
9038 | char *string; | |
9039 | ||
9040 | switch (ctrl_shutdown_reason) { | |
9041 | case PQI_IQ_NOT_DRAINED_TIMEOUT: | |
9042 | string = "inbound queue not drained timeout"; | |
9043 | break; | |
9044 | case PQI_LUN_RESET_TIMEOUT: | |
9045 | string = "LUN reset timeout"; | |
9046 | break; | |
9047 | case PQI_IO_PENDING_POST_LUN_RESET_TIMEOUT: | |
9048 | string = "I/O pending timeout after LUN reset"; | |
9049 | break; | |
9050 | case PQI_NO_HEARTBEAT: | |
9051 | string = "no controller heartbeat detected"; | |
9052 | break; | |
9053 | case PQI_FIRMWARE_KERNEL_NOT_UP: | |
9054 | string = "firmware kernel not ready"; | |
9055 | break; | |
9056 | case PQI_OFA_RESPONSE_TIMEOUT: | |
9057 | string = "OFA response timeout"; | |
9058 | break; | |
9059 | case PQI_INVALID_REQ_ID: | |
9060 | string = "invalid request ID"; | |
9061 | break; | |
9062 | case PQI_UNMATCHED_REQ_ID: | |
9063 | string = "unmatched request ID"; | |
9064 | break; | |
9065 | case PQI_IO_PI_OUT_OF_RANGE: | |
9066 | string = "I/O queue producer index out of range"; | |
9067 | break; | |
9068 | case PQI_EVENT_PI_OUT_OF_RANGE: | |
9069 | string = "event queue producer index out of range"; | |
9070 | break; | |
9071 | case PQI_UNEXPECTED_IU_TYPE: | |
9072 | string = "unexpected IU type"; | |
9073 | break; | |
9074 | default: | |
9075 | string = "unknown reason"; | |
9076 | break; | |
9077 | } | |
9078 | ||
9079 | return string; | |
9080 | } | |
9081 | ||
5d1f03e6 MB |
9082 | static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, |
9083 | enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) | |
376fb880 | 9084 | { |
5f310425 KB |
9085 | if (!ctrl_info->controller_online) |
9086 | return; | |
9087 | ||
376fb880 | 9088 | ctrl_info->controller_online = false; |
5f310425 KB |
9089 | ctrl_info->pqi_mode_enabled = false; |
9090 | pqi_ctrl_block_requests(ctrl_info); | |
5a259e32 | 9091 | if (!pqi_disable_ctrl_shutdown) |
5d1f03e6 | 9092 | sis_shutdown_ctrl(ctrl_info, ctrl_shutdown_reason); |
376fb880 | 9093 | pci_disable_device(ctrl_info->pci_dev); |
72b737fa DS |
9094 | dev_err(&ctrl_info->pci_dev->dev, |
9095 | "controller offline: reason code 0x%x (%s)\n", | |
9096 | ctrl_shutdown_reason, pqi_ctrl_shutdown_reason_to_string(ctrl_shutdown_reason)); | |
5f310425 | 9097 | schedule_work(&ctrl_info->ctrl_offline_work); |
376fb880 KB |
9098 | } |
9099 | ||
d91d7820 | 9100 | static void pqi_print_ctrl_info(struct pci_dev *pci_dev, |
6c223761 KB |
9101 | const struct pci_device_id *id) |
9102 | { | |
9103 | char *ctrl_description; | |
9104 | ||
37b36847 | 9105 | if (id->driver_data) |
6c223761 | 9106 | ctrl_description = (char *)id->driver_data; |
37b36847 | 9107 | else |
6aa26b5a | 9108 | ctrl_description = "Microchip Smart Family Controller"; |
6c223761 | 9109 | |
d91d7820 | 9110 | dev_info(&pci_dev->dev, "%s found\n", ctrl_description); |
6c223761 KB |
9111 | } |
9112 | ||
d91d7820 KB |
9113 | static int pqi_pci_probe(struct pci_dev *pci_dev, |
9114 | const struct pci_device_id *id) | |
6c223761 KB |
9115 | { |
9116 | int rc; | |
c52efc92 | 9117 | int node; |
6c223761 KB |
9118 | struct pqi_ctrl_info *ctrl_info; |
9119 | ||
d91d7820 | 9120 | pqi_print_ctrl_info(pci_dev, id); |
6c223761 KB |
9121 | |
9122 | if (pqi_disable_device_id_wildcards && | |
9123 | id->subvendor == PCI_ANY_ID && | |
9124 | id->subdevice == PCI_ANY_ID) { | |
d91d7820 | 9125 | dev_warn(&pci_dev->dev, |
6c223761 KB |
9126 | "controller not probed because device ID wildcards are disabled\n"); |
9127 | return -ENODEV; | |
9128 | } | |
9129 | ||
9130 | if (id->subvendor == PCI_ANY_ID || id->subdevice == PCI_ANY_ID) | |
d91d7820 | 9131 | dev_warn(&pci_dev->dev, |
6c223761 KB |
9132 | "controller device ID matched using wildcards\n"); |
9133 | ||
d91d7820 | 9134 | node = dev_to_node(&pci_dev->dev); |
62dc51fb | 9135 | if (node == NUMA_NO_NODE) { |
c52efc92 MM |
9136 | node = cpu_to_node(0); |
9137 | if (node == NUMA_NO_NODE) | |
9138 | node = 0; | |
9139 | set_dev_node(&pci_dev->dev, node); | |
62dc51fb | 9140 | } |
6c223761 KB |
9141 | |
9142 | ctrl_info = pqi_alloc_ctrl_info(node); | |
9143 | if (!ctrl_info) { | |
d91d7820 | 9144 | dev_err(&pci_dev->dev, |
6c223761 KB |
9145 | "failed to allocate controller info block\n"); |
9146 | return -ENOMEM; | |
9147 | } | |
d2c7583f | 9148 | ctrl_info->numa_node = node; |
6c223761 | 9149 | |
d91d7820 | 9150 | ctrl_info->pci_dev = pci_dev; |
6c223761 KB |
9151 | |
9152 | rc = pqi_pci_init(ctrl_info); | |
9153 | if (rc) | |
9154 | goto error; | |
9155 | ||
9156 | rc = pqi_ctrl_init(ctrl_info); | |
9157 | if (rc) | |
9158 | goto error; | |
9159 | ||
9160 | return 0; | |
9161 | ||
9162 | error: | |
9163 | pqi_remove_ctrl(ctrl_info); | |
9164 | ||
9165 | return rc; | |
9166 | } | |
9167 | ||
d91d7820 | 9168 | static void pqi_pci_remove(struct pci_dev *pci_dev) |
6c223761 KB |
9169 | { |
9170 | struct pqi_ctrl_info *ctrl_info; | |
331f7e99 | 9171 | u16 vendor_id; |
14063fb6 | 9172 | int rc; |
6c223761 | 9173 | |
d91d7820 | 9174 | ctrl_info = pci_get_drvdata(pci_dev); |
6c223761 KB |
9175 | if (!ctrl_info) |
9176 | return; | |
9177 | ||
331f7e99 SB |
9178 | pci_read_config_word(ctrl_info->pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id); |
9179 | if (vendor_id == 0xffff) | |
9180 | ctrl_info->ctrl_removal_state = PQI_CTRL_SURPRISE_REMOVAL; | |
9181 | else | |
9182 | ctrl_info->ctrl_removal_state = PQI_CTRL_GRACEFUL_REMOVAL; | |
9183 | ||
14063fb6 GW |
9184 | if (ctrl_info->ctrl_removal_state == PQI_CTRL_GRACEFUL_REMOVAL) { |
9185 | rc = pqi_flush_cache(ctrl_info, RESTART); | |
9186 | if (rc) | |
9187 | dev_err(&pci_dev->dev, | |
9188 | "unable to flush controller cache during remove\n"); | |
9189 | } | |
9190 | ||
6c223761 KB |
9191 | pqi_remove_ctrl(ctrl_info); |
9192 | } | |
9193 | ||
0530736e KB |
9194 | static void pqi_crash_if_pending_command(struct pqi_ctrl_info *ctrl_info) |
9195 | { | |
9196 | unsigned int i; | |
9197 | struct pqi_io_request *io_request; | |
9198 | struct scsi_cmnd *scmd; | |
9199 | ||
9200 | for (i = 0; i < ctrl_info->max_io_slots; i++) { | |
9201 | io_request = &ctrl_info->io_request_pool[i]; | |
9202 | if (atomic_read(&io_request->refcount) == 0) | |
9203 | continue; | |
9204 | scmd = io_request->scmd; | |
9205 | WARN_ON(scmd != NULL); /* IO command from SML */ | |
9206 | WARN_ON(scmd == NULL); /* Non-IO cmd or driver initiated*/ | |
9207 | } | |
9208 | } | |
9209 | ||
d91d7820 | 9210 | static void pqi_shutdown(struct pci_dev *pci_dev) |
6c223761 KB |
9211 | { |
9212 | int rc; | |
9213 | struct pqi_ctrl_info *ctrl_info; | |
70ba20be | 9214 | enum bmic_flush_cache_shutdown_event shutdown_event; |
6c223761 | 9215 | |
d91d7820 | 9216 | ctrl_info = pci_get_drvdata(pci_dev); |
0530736e KB |
9217 | if (!ctrl_info) { |
9218 | dev_err(&pci_dev->dev, | |
9219 | "cache could not be flushed\n"); | |
9220 | return; | |
9221 | } | |
9222 | ||
0530736e | 9223 | pqi_wait_until_ofa_finished(ctrl_info); |
0530736e | 9224 | |
9fa82023 | 9225 | pqi_scsi_block_requests(ctrl_info); |
0530736e | 9226 | pqi_ctrl_block_device_reset(ctrl_info); |
9fa82023 KB |
9227 | pqi_ctrl_block_requests(ctrl_info); |
9228 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
6c223761 | 9229 | |
70ba20be SB |
9230 | if (system_state == SYSTEM_RESTART) |
9231 | shutdown_event = RESTART; | |
9232 | else | |
9233 | shutdown_event = SHUTDOWN; | |
9234 | ||
6c223761 KB |
9235 | /* |
9236 | * Write all data in the controller's battery-backed cache to | |
9237 | * storage. | |
9238 | */ | |
70ba20be | 9239 | rc = pqi_flush_cache(ctrl_info, shutdown_event); |
0530736e KB |
9240 | if (rc) |
9241 | dev_err(&pci_dev->dev, | |
276395d0 | 9242 | "unable to flush controller cache during shutdown\n"); |
0530736e | 9243 | |
0530736e KB |
9244 | pqi_crash_if_pending_command(ctrl_info); |
9245 | pqi_reset(ctrl_info); | |
6c223761 KB |
9246 | } |
9247 | ||
3c50976f KB |
9248 | static void pqi_process_lockup_action_param(void) |
9249 | { | |
9250 | unsigned int i; | |
9251 | ||
9252 | if (!pqi_lockup_action_param) | |
9253 | return; | |
9254 | ||
9255 | for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { | |
9256 | if (strcmp(pqi_lockup_action_param, | |
9257 | pqi_lockup_actions[i].name) == 0) { | |
9258 | pqi_lockup_action = pqi_lockup_actions[i].action; | |
9259 | return; | |
9260 | } | |
9261 | } | |
9262 | ||
9263 | pr_warn("%s: invalid lockup action setting \"%s\" - supported settings: none, reboot, panic\n", | |
9264 | DRIVER_NAME_SHORT, pqi_lockup_action_param); | |
9265 | } | |
9266 | ||
6d567dfe KB |
9267 | #define PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS 30 |
9268 | #define PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS (30 * 60) | |
9269 | ||
9270 | static void pqi_process_ctrl_ready_timeout_param(void) | |
9271 | { | |
9272 | if (pqi_ctrl_ready_timeout_secs == 0) | |
9273 | return; | |
9274 | ||
9275 | if (pqi_ctrl_ready_timeout_secs < PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS) { | |
9276 | 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", | |
9277 | DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS); | |
9278 | pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS; | |
9279 | } else if (pqi_ctrl_ready_timeout_secs > PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS) { | |
9280 | pr_warn("%s: ctrl_ready_timeout parm of %u seconds is greater than maximum timeout of %d seconds - setting timeout to %d seconds\n", | |
9281 | DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS); | |
9282 | pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS; | |
9283 | } | |
9284 | ||
9285 | sis_ctrl_ready_timeout_secs = pqi_ctrl_ready_timeout_secs; | |
9286 | } | |
9287 | ||
3c50976f KB |
9288 | static void pqi_process_module_params(void) |
9289 | { | |
9290 | pqi_process_lockup_action_param(); | |
6d567dfe | 9291 | pqi_process_ctrl_ready_timeout_param(); |
3c50976f KB |
9292 | } |
9293 | ||
31b17c3a DB |
9294 | #if defined(CONFIG_PM) |
9295 | ||
b73357a1 SB |
9296 | static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_event(struct pci_dev *pci_dev) |
9297 | { | |
9298 | if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) | |
9299 | return RESTART; | |
c66e078a | 9300 | |
b73357a1 SB |
9301 | return SUSPEND; |
9302 | } | |
9303 | ||
c66e078a | 9304 | static int pqi_suspend_or_freeze(struct device *dev, bool suspend) |
061ef06a | 9305 | { |
c66e078a | 9306 | struct pci_dev *pci_dev; |
061ef06a KB |
9307 | struct pqi_ctrl_info *ctrl_info; |
9308 | ||
c66e078a | 9309 | pci_dev = to_pci_dev(dev); |
061ef06a KB |
9310 | ctrl_info = pci_get_drvdata(pci_dev); |
9311 | ||
4fd22c13 | 9312 | pqi_wait_until_ofa_finished(ctrl_info); |
9fa82023 KB |
9313 | |
9314 | pqi_ctrl_block_scan(ctrl_info); | |
9315 | pqi_scsi_block_requests(ctrl_info); | |
9316 | pqi_ctrl_block_device_reset(ctrl_info); | |
061ef06a KB |
9317 | pqi_ctrl_block_requests(ctrl_info); |
9318 | pqi_ctrl_wait_until_quiesced(ctrl_info); | |
061ef06a | 9319 | |
c66e078a KB |
9320 | if (suspend) { |
9321 | enum bmic_flush_cache_shutdown_event shutdown_event; | |
9fa82023 | 9322 | |
c66e078a KB |
9323 | shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); |
9324 | pqi_flush_cache(ctrl_info, shutdown_event); | |
9325 | } | |
061ef06a | 9326 | |
c66e078a KB |
9327 | pqi_stop_heartbeat_timer(ctrl_info); |
9328 | pqi_crash_if_pending_command(ctrl_info); | |
9329 | pqi_free_irqs(ctrl_info); | |
061ef06a KB |
9330 | |
9331 | ctrl_info->controller_online = false; | |
9332 | ctrl_info->pqi_mode_enabled = false; | |
9333 | ||
9334 | return 0; | |
9335 | } | |
9336 | ||
c66e078a KB |
9337 | static __maybe_unused int pqi_suspend(struct device *dev) |
9338 | { | |
9339 | return pqi_suspend_or_freeze(dev, true); | |
9340 | } | |
9341 | ||
9342 | static int pqi_resume_or_restore(struct device *dev) | |
061ef06a KB |
9343 | { |
9344 | int rc; | |
c66e078a | 9345 | struct pci_dev *pci_dev; |
061ef06a KB |
9346 | struct pqi_ctrl_info *ctrl_info; |
9347 | ||
c66e078a | 9348 | pci_dev = to_pci_dev(dev); |
061ef06a KB |
9349 | ctrl_info = pci_get_drvdata(pci_dev); |
9350 | ||
c66e078a KB |
9351 | rc = pqi_request_irqs(ctrl_info); |
9352 | if (rc) | |
9353 | return rc; | |
061ef06a | 9354 | |
43e97ef4 KB |
9355 | pqi_ctrl_unblock_device_reset(ctrl_info); |
9356 | pqi_ctrl_unblock_requests(ctrl_info); | |
9357 | pqi_scsi_unblock_requests(ctrl_info); | |
9358 | pqi_ctrl_unblock_scan(ctrl_info); | |
9359 | ||
c66e078a KB |
9360 | ssleep(PQI_POST_RESET_DELAY_SECS); |
9361 | ||
061ef06a KB |
9362 | return pqi_ctrl_init_resume(ctrl_info); |
9363 | } | |
9364 | ||
c66e078a KB |
9365 | static int pqi_freeze(struct device *dev) |
9366 | { | |
9367 | return pqi_suspend_or_freeze(dev, false); | |
9368 | } | |
9369 | ||
9370 | static int pqi_thaw(struct device *dev) | |
9371 | { | |
9372 | int rc; | |
9373 | struct pci_dev *pci_dev; | |
9374 | struct pqi_ctrl_info *ctrl_info; | |
9375 | ||
9376 | pci_dev = to_pci_dev(dev); | |
9377 | ctrl_info = pci_get_drvdata(pci_dev); | |
9378 | ||
9379 | rc = pqi_request_irqs(ctrl_info); | |
9380 | if (rc) | |
9381 | return rc; | |
9382 | ||
9383 | ctrl_info->controller_online = true; | |
9384 | ctrl_info->pqi_mode_enabled = true; | |
9385 | ||
9386 | pqi_ctrl_unblock_device_reset(ctrl_info); | |
9387 | pqi_ctrl_unblock_requests(ctrl_info); | |
9388 | pqi_scsi_unblock_requests(ctrl_info); | |
9389 | pqi_ctrl_unblock_scan(ctrl_info); | |
9390 | ||
9391 | return 0; | |
9392 | } | |
9393 | ||
9394 | static int pqi_poweroff(struct device *dev) | |
9395 | { | |
9396 | struct pci_dev *pci_dev; | |
9397 | struct pqi_ctrl_info *ctrl_info; | |
9398 | enum bmic_flush_cache_shutdown_event shutdown_event; | |
9399 | ||
9400 | pci_dev = to_pci_dev(dev); | |
9401 | ctrl_info = pci_get_drvdata(pci_dev); | |
9402 | ||
9403 | shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); | |
9404 | pqi_flush_cache(ctrl_info, shutdown_event); | |
9405 | ||
9406 | return 0; | |
9407 | } | |
9408 | ||
9409 | static const struct dev_pm_ops pqi_pm_ops = { | |
9410 | .suspend = pqi_suspend, | |
9411 | .resume = pqi_resume_or_restore, | |
9412 | .freeze = pqi_freeze, | |
9413 | .thaw = pqi_thaw, | |
9414 | .poweroff = pqi_poweroff, | |
9415 | .restore = pqi_resume_or_restore, | |
9416 | }; | |
9417 | ||
31b17c3a DB |
9418 | #endif /* CONFIG_PM */ |
9419 | ||
6c223761 KB |
9420 | /* Define the PCI IDs for the controllers that we support. */ |
9421 | static const struct pci_device_id pqi_pci_id_table[] = { | |
b0f9408b KB |
9422 | { |
9423 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9424 | 0x105b, 0x1211) | |
9425 | }, | |
9426 | { | |
9427 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9428 | 0x105b, 0x1321) | |
9429 | }, | |
7eddabff KB |
9430 | { |
9431 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9432 | 0x152d, 0x8a22) | |
9433 | }, | |
9434 | { | |
9435 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9436 | 0x152d, 0x8a23) | |
9437 | }, | |
9438 | { | |
9439 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9440 | 0x152d, 0x8a24) | |
9441 | }, | |
9442 | { | |
9443 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9444 | 0x152d, 0x8a36) | |
9445 | }, | |
9446 | { | |
9447 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9448 | 0x152d, 0x8a37) | |
9449 | }, | |
0595a0b4 AK |
9450 | { |
9451 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9452 | 0x193d, 0x1104) | |
9453 | }, | |
9454 | { | |
9455 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9456 | 0x193d, 0x1105) | |
9457 | }, | |
9458 | { | |
9459 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9460 | 0x193d, 0x1106) | |
9461 | }, | |
9462 | { | |
9463 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9464 | 0x193d, 0x1107) | |
9465 | }, | |
d3af3f64 MR |
9466 | { |
9467 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9468 | 0x193d, 0x1108) | |
9469 | }, | |
9470 | { | |
9471 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9472 | 0x193d, 0x1109) | |
9473 | }, | |
0b93cf2a MM |
9474 | { |
9475 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9476 | 0x193d, 0x110b) | |
9477 | }, | |
b0f9408b KB |
9478 | { |
9479 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9480 | 0x193d, 0x8460) | |
9481 | }, | |
9482 | { | |
9483 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9484 | 0x193d, 0x8461) | |
9485 | }, | |
84a77fef MB |
9486 | { |
9487 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9488 | 0x193d, 0xc460) | |
9489 | }, | |
9490 | { | |
9491 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9492 | 0x193d, 0xc461) | |
9493 | }, | |
b0f9408b KB |
9494 | { |
9495 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9496 | 0x193d, 0xf460) | |
9497 | }, | |
9498 | { | |
9499 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9500 | 0x193d, 0xf461) | |
9501 | }, | |
9502 | { | |
9503 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9504 | 0x1bd4, 0x0045) | |
9505 | }, | |
9506 | { | |
9507 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9508 | 0x1bd4, 0x0046) | |
9509 | }, | |
9510 | { | |
9511 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9512 | 0x1bd4, 0x0047) | |
9513 | }, | |
9514 | { | |
9515 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9516 | 0x1bd4, 0x0048) | |
9517 | }, | |
9f8d05fa KB |
9518 | { |
9519 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9520 | 0x1bd4, 0x004a) | |
9521 | }, | |
9522 | { | |
9523 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9524 | 0x1bd4, 0x004b) | |
9525 | }, | |
9526 | { | |
9527 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9528 | 0x1bd4, 0x004c) | |
9529 | }, | |
63a7956a GW |
9530 | { |
9531 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9532 | 0x1bd4, 0x004f) | |
9533 | }, | |
75fbeacc KB |
9534 | { |
9535 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9536 | 0x1bd4, 0x0051) | |
9537 | }, | |
9538 | { | |
9539 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9540 | 0x1bd4, 0x0052) | |
9541 | }, | |
9542 | { | |
9543 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9544 | 0x1bd4, 0x0053) | |
9545 | }, | |
9546 | { | |
9547 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9548 | 0x1bd4, 0x0054) | |
9549 | }, | |
c57ee4cc DB |
9550 | { |
9551 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9552 | 0x1bd4, 0x006b) | |
9553 | }, | |
9554 | { | |
9555 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9556 | 0x1bd4, 0x006c) | |
9557 | }, | |
9558 | { | |
9559 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9560 | 0x1bd4, 0x006d) | |
9561 | }, | |
9562 | { | |
9563 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9564 | 0x1bd4, 0x006f) | |
9565 | }, | |
9566 | { | |
9567 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9568 | 0x1bd4, 0x0070) | |
9569 | }, | |
9570 | { | |
9571 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9572 | 0x1bd4, 0x0071) | |
9573 | }, | |
9574 | { | |
9575 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9576 | 0x1bd4, 0x0072) | |
9577 | }, | |
0b93cf2a MM |
9578 | { |
9579 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9580 | 0x1bd4, 0x0086) | |
9581 | }, | |
9582 | { | |
9583 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9584 | 0x1bd4, 0x0087) | |
9585 | }, | |
9586 | { | |
9587 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9588 | 0x1bd4, 0x0088) | |
9589 | }, | |
9590 | { | |
9591 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9592 | 0x1bd4, 0x0089) | |
9593 | }, | |
c1b10475 AK |
9594 | { |
9595 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9596 | 0x19e5, 0xd227) | |
9597 | }, | |
9598 | { | |
9599 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9600 | 0x19e5, 0xd228) | |
9601 | }, | |
9602 | { | |
9603 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9604 | 0x19e5, 0xd229) | |
9605 | }, | |
9606 | { | |
9607 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9608 | 0x19e5, 0xd22a) | |
9609 | }, | |
9610 | { | |
9611 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9612 | 0x19e5, 0xd22b) | |
9613 | }, | |
9614 | { | |
9615 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9616 | 0x19e5, 0xd22c) | |
9617 | }, | |
6c223761 KB |
9618 | { |
9619 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9620 | PCI_VENDOR_ID_ADAPTEC2, 0x0110) | |
9621 | }, | |
9622 | { | |
9623 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
55790064 | 9624 | PCI_VENDOR_ID_ADAPTEC2, 0x0608) |
6c223761 | 9625 | }, |
44e68c4a MM |
9626 | { |
9627 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9628 | PCI_VENDOR_ID_ADAPTEC2, 0x0659) | |
9629 | }, | |
6c223761 KB |
9630 | { |
9631 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9632 | PCI_VENDOR_ID_ADAPTEC2, 0x0800) |
6c223761 KB |
9633 | }, |
9634 | { | |
9635 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9636 | PCI_VENDOR_ID_ADAPTEC2, 0x0801) |
6c223761 KB |
9637 | }, |
9638 | { | |
9639 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9640 | PCI_VENDOR_ID_ADAPTEC2, 0x0802) |
6c223761 KB |
9641 | }, |
9642 | { | |
9643 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9644 | PCI_VENDOR_ID_ADAPTEC2, 0x0803) |
6c223761 KB |
9645 | }, |
9646 | { | |
9647 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9648 | PCI_VENDOR_ID_ADAPTEC2, 0x0804) |
6c223761 KB |
9649 | }, |
9650 | { | |
9651 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9652 | PCI_VENDOR_ID_ADAPTEC2, 0x0805) |
6c223761 KB |
9653 | }, |
9654 | { | |
9655 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9656 | PCI_VENDOR_ID_ADAPTEC2, 0x0806) |
6c223761 | 9657 | }, |
55790064 KB |
9658 | { |
9659 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9660 | PCI_VENDOR_ID_ADAPTEC2, 0x0807) | |
9661 | }, | |
63a7956a GW |
9662 | { |
9663 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9664 | PCI_VENDOR_ID_ADAPTEC2, 0x0808) | |
9665 | }, | |
9666 | { | |
9667 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9668 | PCI_VENDOR_ID_ADAPTEC2, 0x0809) | |
9669 | }, | |
3af06083 MR |
9670 | { |
9671 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9672 | PCI_VENDOR_ID_ADAPTEC2, 0x080a) | |
9673 | }, | |
6c223761 KB |
9674 | { |
9675 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9676 | PCI_VENDOR_ID_ADAPTEC2, 0x0900) |
6c223761 KB |
9677 | }, |
9678 | { | |
9679 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9680 | PCI_VENDOR_ID_ADAPTEC2, 0x0901) |
6c223761 KB |
9681 | }, |
9682 | { | |
9683 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9684 | PCI_VENDOR_ID_ADAPTEC2, 0x0902) |
6c223761 KB |
9685 | }, |
9686 | { | |
9687 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9688 | PCI_VENDOR_ID_ADAPTEC2, 0x0903) |
6c223761 KB |
9689 | }, |
9690 | { | |
9691 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9692 | PCI_VENDOR_ID_ADAPTEC2, 0x0904) |
6c223761 KB |
9693 | }, |
9694 | { | |
9695 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9696 | PCI_VENDOR_ID_ADAPTEC2, 0x0905) |
6c223761 KB |
9697 | }, |
9698 | { | |
9699 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9700 | PCI_VENDOR_ID_ADAPTEC2, 0x0906) |
6c223761 KB |
9701 | }, |
9702 | { | |
9703 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9704 | PCI_VENDOR_ID_ADAPTEC2, 0x0907) |
6c223761 KB |
9705 | }, |
9706 | { | |
9707 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9708 | PCI_VENDOR_ID_ADAPTEC2, 0x0908) |
6c223761 | 9709 | }, |
55790064 KB |
9710 | { |
9711 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9712 | PCI_VENDOR_ID_ADAPTEC2, 0x090a) | |
9713 | }, | |
6c223761 KB |
9714 | { |
9715 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9716 | PCI_VENDOR_ID_ADAPTEC2, 0x1200) |
6c223761 KB |
9717 | }, |
9718 | { | |
9719 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9720 | PCI_VENDOR_ID_ADAPTEC2, 0x1201) |
6c223761 KB |
9721 | }, |
9722 | { | |
9723 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9724 | PCI_VENDOR_ID_ADAPTEC2, 0x1202) |
6c223761 KB |
9725 | }, |
9726 | { | |
9727 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9728 | PCI_VENDOR_ID_ADAPTEC2, 0x1280) |
6c223761 KB |
9729 | }, |
9730 | { | |
9731 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9732 | PCI_VENDOR_ID_ADAPTEC2, 0x1281) |
6c223761 | 9733 | }, |
b0f9408b KB |
9734 | { |
9735 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9736 | PCI_VENDOR_ID_ADAPTEC2, 0x1282) | |
9737 | }, | |
6c223761 KB |
9738 | { |
9739 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9740 | PCI_VENDOR_ID_ADAPTEC2, 0x1300) |
6c223761 KB |
9741 | }, |
9742 | { | |
9743 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff | 9744 | PCI_VENDOR_ID_ADAPTEC2, 0x1301) |
6c223761 | 9745 | }, |
bd809e8d KB |
9746 | { |
9747 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9748 | PCI_VENDOR_ID_ADAPTEC2, 0x1302) | |
9749 | }, | |
9750 | { | |
9751 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9752 | PCI_VENDOR_ID_ADAPTEC2, 0x1303) | |
9753 | }, | |
c57ee4cc DB |
9754 | { |
9755 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9756 | PCI_VENDOR_ID_ADAPTEC2, 0x1304) | |
9757 | }, | |
6c223761 KB |
9758 | { |
9759 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
7eddabff KB |
9760 | PCI_VENDOR_ID_ADAPTEC2, 0x1380) |
9761 | }, | |
75fbeacc KB |
9762 | { |
9763 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9764 | PCI_VENDOR_ID_ADAPTEC2, 0x1400) | |
9765 | }, | |
9766 | { | |
9767 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9768 | PCI_VENDOR_ID_ADAPTEC2, 0x1402) | |
9769 | }, | |
9770 | { | |
9771 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9772 | PCI_VENDOR_ID_ADAPTEC2, 0x1410) | |
9773 | }, | |
9774 | { | |
9775 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9776 | PCI_VENDOR_ID_ADAPTEC2, 0x1411) | |
9777 | }, | |
9778 | { | |
9779 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9780 | PCI_VENDOR_ID_ADAPTEC2, 0x1412) | |
9781 | }, | |
9782 | { | |
9783 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9784 | PCI_VENDOR_ID_ADAPTEC2, 0x1420) | |
9785 | }, | |
9786 | { | |
9787 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9788 | PCI_VENDOR_ID_ADAPTEC2, 0x1430) | |
9789 | }, | |
9790 | { | |
9791 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9792 | PCI_VENDOR_ID_ADAPTEC2, 0x1440) | |
9793 | }, | |
9794 | { | |
9795 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9796 | PCI_VENDOR_ID_ADAPTEC2, 0x1441) | |
9797 | }, | |
9798 | { | |
9799 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9800 | PCI_VENDOR_ID_ADAPTEC2, 0x1450) | |
9801 | }, | |
9802 | { | |
9803 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9804 | PCI_VENDOR_ID_ADAPTEC2, 0x1452) | |
9805 | }, | |
9806 | { | |
9807 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9808 | PCI_VENDOR_ID_ADAPTEC2, 0x1460) | |
9809 | }, | |
9810 | { | |
9811 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9812 | PCI_VENDOR_ID_ADAPTEC2, 0x1461) | |
9813 | }, | |
9814 | { | |
9815 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9816 | PCI_VENDOR_ID_ADAPTEC2, 0x1462) | |
9817 | }, | |
c57ee4cc DB |
9818 | { |
9819 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9820 | PCI_VENDOR_ID_ADAPTEC2, 0x1463) | |
9821 | }, | |
75fbeacc KB |
9822 | { |
9823 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9824 | PCI_VENDOR_ID_ADAPTEC2, 0x1470) | |
9825 | }, | |
9826 | { | |
9827 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9828 | PCI_VENDOR_ID_ADAPTEC2, 0x1471) | |
9829 | }, | |
9830 | { | |
9831 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9832 | PCI_VENDOR_ID_ADAPTEC2, 0x1472) | |
9833 | }, | |
c57ee4cc DB |
9834 | { |
9835 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9836 | PCI_VENDOR_ID_ADAPTEC2, 0x1473) | |
9837 | }, | |
9838 | { | |
9839 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9840 | PCI_VENDOR_ID_ADAPTEC2, 0x1474) | |
9841 | }, | |
0b93cf2a MM |
9842 | { |
9843 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9844 | PCI_VENDOR_ID_ADAPTEC2, 0x1475) | |
9845 | }, | |
75fbeacc KB |
9846 | { |
9847 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9848 | PCI_VENDOR_ID_ADAPTEC2, 0x1480) | |
9849 | }, | |
9850 | { | |
9851 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9852 | PCI_VENDOR_ID_ADAPTEC2, 0x1490) | |
9853 | }, | |
9854 | { | |
9855 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9856 | PCI_VENDOR_ID_ADAPTEC2, 0x1491) | |
9857 | }, | |
9858 | { | |
9859 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9860 | PCI_VENDOR_ID_ADAPTEC2, 0x14a0) | |
9861 | }, | |
9862 | { | |
9863 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9864 | PCI_VENDOR_ID_ADAPTEC2, 0x14a1) | |
9865 | }, | |
80982656 MM |
9866 | { |
9867 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9868 | PCI_VENDOR_ID_ADAPTEC2, 0x14a2) | |
9869 | }, | |
c57ee4cc DB |
9870 | { |
9871 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9872 | PCI_VENDOR_ID_ADAPTEC2, 0x14a4) | |
9873 | }, | |
9874 | { | |
9875 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9876 | PCI_VENDOR_ID_ADAPTEC2, 0x14a5) | |
9877 | }, | |
9878 | { | |
9879 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9880 | PCI_VENDOR_ID_ADAPTEC2, 0x14a6) | |
9881 | }, | |
75fbeacc KB |
9882 | { |
9883 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9884 | PCI_VENDOR_ID_ADAPTEC2, 0x14b0) | |
9885 | }, | |
9886 | { | |
9887 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9888 | PCI_VENDOR_ID_ADAPTEC2, 0x14b1) | |
9889 | }, | |
9890 | { | |
9891 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9892 | PCI_VENDOR_ID_ADAPTEC2, 0x14c0) | |
9893 | }, | |
9894 | { | |
9895 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9896 | PCI_VENDOR_ID_ADAPTEC2, 0x14c1) | |
9897 | }, | |
c57ee4cc DB |
9898 | { |
9899 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9900 | PCI_VENDOR_ID_ADAPTEC2, 0x14c2) | |
9901 | }, | |
0b93cf2a MM |
9902 | { |
9903 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9904 | PCI_VENDOR_ID_ADAPTEC2, 0x14c3) | |
9905 | }, | |
9906 | { | |
9907 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9908 | PCI_VENDOR_ID_ADAPTEC2, 0x14c4) | |
9909 | }, | |
75fbeacc KB |
9910 | { |
9911 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9912 | PCI_VENDOR_ID_ADAPTEC2, 0x14d0) | |
9913 | }, | |
9914 | { | |
9915 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9916 | PCI_VENDOR_ID_ADAPTEC2, 0x14e0) | |
9917 | }, | |
9918 | { | |
9919 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9920 | PCI_VENDOR_ID_ADAPTEC2, 0x14f0) | |
9921 | }, | |
9f8d05fa KB |
9922 | { |
9923 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9924 | PCI_VENDOR_ID_ADVANTECH, 0x8312) | |
9925 | }, | |
55790064 KB |
9926 | { |
9927 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9928 | PCI_VENDOR_ID_DELL, 0x1fe0) | |
9929 | }, | |
7eddabff KB |
9930 | { |
9931 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9932 | PCI_VENDOR_ID_HP, 0x0600) | |
9933 | }, | |
9934 | { | |
9935 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9936 | PCI_VENDOR_ID_HP, 0x0601) | |
9937 | }, | |
9938 | { | |
9939 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9940 | PCI_VENDOR_ID_HP, 0x0602) | |
9941 | }, | |
9942 | { | |
9943 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9944 | PCI_VENDOR_ID_HP, 0x0603) | |
9945 | }, | |
9946 | { | |
9947 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
55790064 | 9948 | PCI_VENDOR_ID_HP, 0x0609) |
7eddabff KB |
9949 | }, |
9950 | { | |
9951 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9952 | PCI_VENDOR_ID_HP, 0x0650) | |
9953 | }, | |
9954 | { | |
9955 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9956 | PCI_VENDOR_ID_HP, 0x0651) | |
9957 | }, | |
9958 | { | |
9959 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9960 | PCI_VENDOR_ID_HP, 0x0652) | |
9961 | }, | |
9962 | { | |
9963 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9964 | PCI_VENDOR_ID_HP, 0x0653) | |
9965 | }, | |
9966 | { | |
9967 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9968 | PCI_VENDOR_ID_HP, 0x0654) | |
9969 | }, | |
9970 | { | |
9971 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9972 | PCI_VENDOR_ID_HP, 0x0655) | |
9973 | }, | |
7eddabff KB |
9974 | { |
9975 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9976 | PCI_VENDOR_ID_HP, 0x0700) | |
9977 | }, | |
9978 | { | |
9979 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9980 | PCI_VENDOR_ID_HP, 0x0701) | |
6c223761 KB |
9981 | }, |
9982 | { | |
9983 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9984 | PCI_VENDOR_ID_HP, 0x1001) | |
9985 | }, | |
75fbeacc KB |
9986 | { |
9987 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9988 | PCI_VENDOR_ID_HP, 0x1002) | |
9989 | }, | |
6c223761 KB |
9990 | { |
9991 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9992 | PCI_VENDOR_ID_HP, 0x1100) | |
9993 | }, | |
9994 | { | |
9995 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
9996 | PCI_VENDOR_ID_HP, 0x1101) | |
9997 | }, | |
75fbeacc KB |
9998 | { |
9999 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10000 | 0x1590, 0x0294) | |
10001 | }, | |
10002 | { | |
10003 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10004 | 0x1590, 0x02db) | |
10005 | }, | |
10006 | { | |
10007 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10008 | 0x1590, 0x02dc) | |
10009 | }, | |
10010 | { | |
10011 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10012 | 0x1590, 0x032e) | |
10013 | }, | |
c57ee4cc DB |
10014 | { |
10015 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10016 | 0x1590, 0x036f) | |
10017 | }, | |
10018 | { | |
10019 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10020 | 0x1590, 0x0381) | |
10021 | }, | |
10022 | { | |
10023 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10024 | 0x1590, 0x0382) | |
10025 | }, | |
10026 | { | |
10027 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10028 | 0x1590, 0x0383) | |
10029 | }, | |
8bdb3b9c GW |
10030 | { |
10031 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10032 | 0x1d8d, 0x0800) | |
10033 | }, | |
10034 | { | |
10035 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10036 | 0x1d8d, 0x0908) | |
10037 | }, | |
10038 | { | |
10039 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10040 | 0x1d8d, 0x0806) | |
10041 | }, | |
10042 | { | |
10043 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10044 | 0x1d8d, 0x0916) | |
10045 | }, | |
71ecc60d GW |
10046 | { |
10047 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10048 | PCI_VENDOR_ID_GIGABYTE, 0x1000) | |
10049 | }, | |
e326b97c MM |
10050 | { |
10051 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10052 | 0x1dfc, 0x3161) | |
10053 | }, | |
c57ee4cc DB |
10054 | { |
10055 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10056 | 0x1f0c, 0x3161) | |
10057 | }, | |
fe0375d4 DS |
10058 | { |
10059 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10060 | 0x1cf2, 0x0804) | |
10061 | }, | |
10062 | { | |
10063 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10064 | 0x1cf2, 0x0805) | |
10065 | }, | |
10066 | { | |
10067 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10068 | 0x1cf2, 0x0806) | |
10069 | }, | |
09d9968a B |
10070 | { |
10071 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10072 | 0x1cf2, 0x5445) | |
10073 | }, | |
10074 | { | |
10075 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10076 | 0x1cf2, 0x5446) | |
10077 | }, | |
10078 | { | |
10079 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10080 | 0x1cf2, 0x5447) | |
10081 | }, | |
c57ee4cc DB |
10082 | { |
10083 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10084 | 0x1cf2, 0x5449) | |
10085 | }, | |
10086 | { | |
10087 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10088 | 0x1cf2, 0x544a) | |
10089 | }, | |
10090 | { | |
10091 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10092 | 0x1cf2, 0x544b) | |
10093 | }, | |
10094 | { | |
10095 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10096 | 0x1cf2, 0x544d) | |
10097 | }, | |
10098 | { | |
10099 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10100 | 0x1cf2, 0x544e) | |
10101 | }, | |
10102 | { | |
10103 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10104 | 0x1cf2, 0x544f) | |
10105 | }, | |
fe0375d4 DS |
10106 | { |
10107 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10108 | 0x1cf2, 0x54da) | |
10109 | }, | |
10110 | { | |
10111 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10112 | 0x1cf2, 0x54db) | |
10113 | }, | |
10114 | { | |
10115 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10116 | 0x1cf2, 0x54dc) | |
10117 | }, | |
09d9968a B |
10118 | { |
10119 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10120 | 0x1cf2, 0x0b27) | |
10121 | }, | |
10122 | { | |
10123 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10124 | 0x1cf2, 0x0b29) | |
10125 | }, | |
10126 | { | |
10127 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10128 | 0x1cf2, 0x0b45) | |
10129 | }, | |
dab53784 MB |
10130 | { |
10131 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10132 | 0x1cc4, 0x0101) | |
10133 | }, | |
10134 | { | |
10135 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10136 | 0x1cc4, 0x0201) | |
10137 | }, | |
2a9c2ba2 MM |
10138 | { |
10139 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10140 | PCI_VENDOR_ID_LENOVO, 0x0220) | |
10141 | }, | |
10142 | { | |
10143 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10144 | PCI_VENDOR_ID_LENOVO, 0x0221) | |
10145 | }, | |
10146 | { | |
10147 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10148 | PCI_VENDOR_ID_LENOVO, 0x0520) | |
10149 | }, | |
10150 | { | |
10151 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10152 | PCI_VENDOR_ID_LENOVO, 0x0522) | |
10153 | }, | |
10154 | { | |
10155 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10156 | PCI_VENDOR_ID_LENOVO, 0x0620) | |
10157 | }, | |
10158 | { | |
10159 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10160 | PCI_VENDOR_ID_LENOVO, 0x0621) | |
10161 | }, | |
10162 | { | |
10163 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10164 | PCI_VENDOR_ID_LENOVO, 0x0622) | |
10165 | }, | |
10166 | { | |
10167 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10168 | PCI_VENDOR_ID_LENOVO, 0x0623) | |
10169 | }, | |
fe0375d4 DS |
10170 | { |
10171 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10172 | 0x1014, 0x0718) | |
10173 | }, | |
c6d5aa44 DS |
10174 | { |
10175 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10176 | 0x1137, 0x02f8) | |
10177 | }, | |
10178 | { | |
10179 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10180 | 0x1137, 0x02f9) | |
10181 | }, | |
10182 | { | |
10183 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10184 | 0x1137, 0x02fa) | |
10185 | }, | |
0b93cf2a MM |
10186 | { |
10187 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10188 | 0x1e93, 0x1000) | |
10189 | }, | |
10190 | { | |
10191 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10192 | 0x1e93, 0x1001) | |
10193 | }, | |
10194 | { | |
10195 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10196 | 0x1e93, 0x1002) | |
10197 | }, | |
fe0375d4 DS |
10198 | { |
10199 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10200 | 0x1e93, 0x1005) | |
10201 | }, | |
10202 | { | |
10203 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10204 | 0x1f51, 0x1001) | |
10205 | }, | |
10206 | { | |
10207 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10208 | 0x1f51, 0x1002) | |
10209 | }, | |
10210 | { | |
10211 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10212 | 0x1f51, 0x1003) | |
10213 | }, | |
10214 | { | |
10215 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10216 | 0x1f51, 0x1004) | |
10217 | }, | |
10218 | { | |
10219 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10220 | 0x1f51, 0x1005) | |
10221 | }, | |
10222 | { | |
10223 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10224 | 0x1f51, 0x1006) | |
10225 | }, | |
10226 | { | |
10227 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10228 | 0x1f51, 0x1007) | |
10229 | }, | |
10230 | { | |
10231 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10232 | 0x1f51, 0x1008) | |
10233 | }, | |
10234 | { | |
10235 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10236 | 0x1f51, 0x1009) | |
10237 | }, | |
10238 | { | |
10239 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10240 | 0x1f51, 0x100a) | |
10241 | }, | |
c6d5aa44 DS |
10242 | { |
10243 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10244 | 0x1f51, 0x100e) | |
10245 | }, | |
10246 | { | |
10247 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10248 | 0x1f51, 0x100f) | |
10249 | }, | |
10250 | { | |
10251 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10252 | 0x1f51, 0x1010) | |
10253 | }, | |
10254 | { | |
10255 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10256 | 0x1f51, 0x1011) | |
10257 | }, | |
10258 | { | |
10259 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10260 | 0x1f51, 0x1043) | |
10261 | }, | |
10262 | { | |
10263 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10264 | 0x1f51, 0x1044) | |
10265 | }, | |
10266 | { | |
10267 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10268 | 0x1f51, 0x1045) | |
10269 | }, | |
6c223761 KB |
10270 | { |
10271 | PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, | |
10272 | PCI_ANY_ID, PCI_ANY_ID) | |
10273 | }, | |
10274 | { 0 } | |
10275 | }; | |
10276 | ||
10277 | MODULE_DEVICE_TABLE(pci, pqi_pci_id_table); | |
10278 | ||
10279 | static struct pci_driver pqi_pci_driver = { | |
10280 | .name = DRIVER_NAME_SHORT, | |
10281 | .id_table = pqi_pci_id_table, | |
10282 | .probe = pqi_pci_probe, | |
10283 | .remove = pqi_pci_remove, | |
10284 | .shutdown = pqi_shutdown, | |
061ef06a | 10285 | #if defined(CONFIG_PM) |
c66e078a KB |
10286 | .driver = { |
10287 | .pm = &pqi_pm_ops | |
10288 | }, | |
061ef06a | 10289 | #endif |
6c223761 KB |
10290 | }; |
10291 | ||
10292 | static int __init pqi_init(void) | |
10293 | { | |
10294 | int rc; | |
10295 | ||
10296 | pr_info(DRIVER_NAME "\n"); | |
5e693586 MM |
10297 | pqi_verify_structures(); |
10298 | sis_verify_structures(); | |
6c223761 | 10299 | |
8b664fef | 10300 | pqi_sas_transport_template = sas_attach_transport(&pqi_sas_transport_functions); |
6c223761 KB |
10301 | if (!pqi_sas_transport_template) |
10302 | return -ENODEV; | |
10303 | ||
3c50976f KB |
10304 | pqi_process_module_params(); |
10305 | ||
6c223761 KB |
10306 | rc = pci_register_driver(&pqi_pci_driver); |
10307 | if (rc) | |
10308 | sas_release_transport(pqi_sas_transport_template); | |
10309 | ||
10310 | return rc; | |
10311 | } | |
10312 | ||
10313 | static void __exit pqi_cleanup(void) | |
10314 | { | |
10315 | pci_unregister_driver(&pqi_pci_driver); | |
10316 | sas_release_transport(pqi_sas_transport_template); | |
10317 | } | |
10318 | ||
10319 | module_init(pqi_init); | |
10320 | module_exit(pqi_cleanup); | |
10321 | ||
5e693586 | 10322 | static void pqi_verify_structures(void) |
6c223761 KB |
10323 | { |
10324 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10325 | sis_host_to_ctrl_doorbell) != 0x20); | |
10326 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10327 | sis_interrupt_mask) != 0x34); | |
10328 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10329 | sis_ctrl_to_host_doorbell) != 0x9c); | |
10330 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10331 | sis_ctrl_to_host_doorbell_clear) != 0xa0); | |
ff6abb73 KB |
10332 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10333 | sis_driver_scratch) != 0xb0); | |
2708a256 KB |
10334 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10335 | sis_product_identifier) != 0xb4); | |
6c223761 KB |
10336 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10337 | sis_firmware_status) != 0xbc); | |
5d1f03e6 MB |
10338 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10339 | sis_ctrl_shutdown_reason_code) != 0xcc); | |
6c223761 KB |
10340 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, |
10341 | sis_mailbox) != 0x1000); | |
10342 | BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, | |
10343 | pqi_registers) != 0x4000); | |
10344 | ||
10345 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10346 | iu_type) != 0x0); | |
10347 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10348 | iu_length) != 0x2); | |
10349 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
10350 | response_queue_id) != 0x4); | |
10351 | BUILD_BUG_ON(offsetof(struct pqi_iu_header, | |
ae0c189d | 10352 | driver_flags) != 0x6); |
6c223761 KB |
10353 | BUILD_BUG_ON(sizeof(struct pqi_iu_header) != 0x8); |
10354 | ||
10355 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10356 | status) != 0x0); | |
10357 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10358 | service_response) != 0x1); | |
10359 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10360 | data_present) != 0x2); | |
10361 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10362 | reserved) != 0x3); | |
10363 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10364 | residual_count) != 0x4); | |
10365 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10366 | data_length) != 0x8); | |
10367 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10368 | reserved1) != 0xa); | |
10369 | BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, | |
10370 | data) != 0xc); | |
10371 | BUILD_BUG_ON(sizeof(struct pqi_aio_error_info) != 0x10c); | |
10372 | ||
10373 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10374 | data_in_result) != 0x0); | |
10375 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10376 | data_out_result) != 0x1); | |
10377 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10378 | reserved) != 0x2); | |
10379 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10380 | status) != 0x5); | |
10381 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10382 | status_qualifier) != 0x6); | |
10383 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10384 | sense_data_length) != 0x8); | |
10385 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10386 | response_data_length) != 0xa); | |
10387 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10388 | data_in_transferred) != 0xc); | |
10389 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10390 | data_out_transferred) != 0x10); | |
10391 | BUILD_BUG_ON(offsetof(struct pqi_raid_error_info, | |
10392 | data) != 0x14); | |
10393 | BUILD_BUG_ON(sizeof(struct pqi_raid_error_info) != 0x114); | |
10394 | ||
10395 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10396 | signature) != 0x0); | |
10397 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10398 | function_and_status_code) != 0x8); | |
10399 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10400 | max_admin_iq_elements) != 0x10); | |
10401 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10402 | max_admin_oq_elements) != 0x11); | |
10403 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10404 | admin_iq_element_length) != 0x12); | |
10405 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10406 | admin_oq_element_length) != 0x13); | |
10407 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10408 | max_reset_timeout) != 0x14); | |
10409 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10410 | legacy_intx_status) != 0x18); | |
10411 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10412 | legacy_intx_mask_set) != 0x1c); | |
10413 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10414 | legacy_intx_mask_clear) != 0x20); | |
10415 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10416 | device_status) != 0x40); | |
10417 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10418 | admin_iq_pi_offset) != 0x48); | |
10419 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10420 | admin_oq_ci_offset) != 0x50); | |
10421 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10422 | admin_iq_element_array_addr) != 0x58); | |
10423 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10424 | admin_oq_element_array_addr) != 0x60); | |
10425 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10426 | admin_iq_ci_addr) != 0x68); | |
10427 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10428 | admin_oq_pi_addr) != 0x70); | |
10429 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10430 | admin_iq_num_elements) != 0x78); | |
10431 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10432 | admin_oq_num_elements) != 0x79); | |
10433 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10434 | admin_queue_int_msg_num) != 0x7a); | |
10435 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10436 | device_error) != 0x80); | |
10437 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10438 | error_details) != 0x88); | |
10439 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10440 | device_reset) != 0x90); | |
10441 | BUILD_BUG_ON(offsetof(struct pqi_device_registers, | |
10442 | power_action) != 0x94); | |
10443 | BUILD_BUG_ON(sizeof(struct pqi_device_registers) != 0x100); | |
10444 | ||
10445 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10446 | header.iu_type) != 0); | |
10447 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10448 | header.iu_length) != 2); | |
10449 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
ae0c189d | 10450 | header.driver_flags) != 6); |
6c223761 KB |
10451 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, |
10452 | request_id) != 8); | |
10453 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10454 | function_code) != 10); | |
10455 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10456 | data.report_device_capability.buffer_length) != 44); | |
10457 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10458 | data.report_device_capability.sg_descriptor) != 48); | |
10459 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10460 | data.create_operational_iq.queue_id) != 12); | |
10461 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10462 | data.create_operational_iq.element_array_addr) != 16); | |
10463 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10464 | data.create_operational_iq.ci_addr) != 24); | |
10465 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10466 | data.create_operational_iq.num_elements) != 32); | |
10467 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10468 | data.create_operational_iq.element_length) != 34); | |
10469 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10470 | data.create_operational_iq.queue_protocol) != 36); | |
10471 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10472 | data.create_operational_oq.queue_id) != 12); | |
10473 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10474 | data.create_operational_oq.element_array_addr) != 16); | |
10475 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10476 | data.create_operational_oq.pi_addr) != 24); | |
10477 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10478 | data.create_operational_oq.num_elements) != 32); | |
10479 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10480 | data.create_operational_oq.element_length) != 34); | |
10481 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10482 | data.create_operational_oq.queue_protocol) != 36); | |
10483 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10484 | data.create_operational_oq.int_msg_num) != 40); | |
10485 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10486 | data.create_operational_oq.coalescing_count) != 42); | |
10487 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10488 | data.create_operational_oq.min_coalescing_time) != 44); | |
10489 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10490 | data.create_operational_oq.max_coalescing_time) != 48); | |
10491 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, | |
10492 | data.delete_operational_queue.queue_id) != 12); | |
10493 | BUILD_BUG_ON(sizeof(struct pqi_general_admin_request) != 64); | |
c593642c | 10494 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 | 10495 | data.create_operational_iq) != 64 - 11); |
c593642c | 10496 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 | 10497 | data.create_operational_oq) != 64 - 11); |
c593642c | 10498 | BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, |
6c223761 KB |
10499 | data.delete_operational_queue) != 64 - 11); |
10500 | ||
10501 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10502 | header.iu_type) != 0); | |
10503 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10504 | header.iu_length) != 2); | |
10505 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
ae0c189d | 10506 | header.driver_flags) != 6); |
6c223761 KB |
10507 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, |
10508 | request_id) != 8); | |
10509 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10510 | function_code) != 10); | |
10511 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10512 | status) != 11); | |
10513 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10514 | data.create_operational_iq.status_descriptor) != 12); | |
10515 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10516 | data.create_operational_iq.iq_pi_offset) != 16); | |
10517 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10518 | data.create_operational_oq.status_descriptor) != 12); | |
10519 | BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, | |
10520 | data.create_operational_oq.oq_ci_offset) != 16); | |
10521 | BUILD_BUG_ON(sizeof(struct pqi_general_admin_response) != 64); | |
10522 | ||
10523 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10524 | header.iu_type) != 0); | |
10525 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10526 | header.iu_length) != 2); | |
10527 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10528 | header.response_queue_id) != 4); | |
10529 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
ae0c189d | 10530 | header.driver_flags) != 6); |
6c223761 KB |
10531 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10532 | request_id) != 8); | |
10533 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10534 | nexus_id) != 10); | |
10535 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10536 | buffer_length) != 12); | |
10537 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10538 | lun_number) != 16); | |
10539 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10540 | protocol_specific) != 24); | |
10541 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10542 | error_index) != 27); | |
10543 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, | |
10544 | cdb) != 32); | |
21432010 | 10545 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10546 | timeout) != 60); | |
6c223761 KB |
10547 | BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, |
10548 | sg_descriptors) != 64); | |
10549 | BUILD_BUG_ON(sizeof(struct pqi_raid_path_request) != | |
10550 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
10551 | ||
10552 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10553 | header.iu_type) != 0); | |
10554 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10555 | header.iu_length) != 2); | |
10556 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10557 | header.response_queue_id) != 4); | |
10558 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
ae0c189d | 10559 | header.driver_flags) != 6); |
6c223761 KB |
10560 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, |
10561 | request_id) != 8); | |
10562 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10563 | nexus_id) != 12); | |
10564 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10565 | buffer_length) != 16); | |
10566 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10567 | data_encryption_key_index) != 22); | |
10568 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10569 | encrypt_tweak_lower) != 24); | |
10570 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10571 | encrypt_tweak_upper) != 28); | |
10572 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10573 | cdb) != 32); | |
10574 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10575 | error_index) != 48); | |
10576 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10577 | num_sg_descriptors) != 50); | |
10578 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10579 | cdb_length) != 51); | |
10580 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10581 | lun_number) != 52); | |
10582 | BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, | |
10583 | sg_descriptors) != 64); | |
10584 | BUILD_BUG_ON(sizeof(struct pqi_aio_path_request) != | |
10585 | PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); | |
10586 | ||
10587 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10588 | header.iu_type) != 0); | |
10589 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10590 | header.iu_length) != 2); | |
10591 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10592 | request_id) != 8); | |
10593 | BUILD_BUG_ON(offsetof(struct pqi_io_response, | |
10594 | error_index) != 10); | |
10595 | ||
10596 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10597 | header.iu_type) != 0); | |
10598 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10599 | header.iu_length) != 2); | |
10600 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10601 | header.response_queue_id) != 4); | |
10602 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10603 | request_id) != 8); | |
10604 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10605 | data.report_event_configuration.buffer_length) != 12); | |
10606 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10607 | data.report_event_configuration.sg_descriptors) != 16); | |
10608 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10609 | data.set_event_configuration.global_event_oq_id) != 10); | |
10610 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10611 | data.set_event_configuration.buffer_length) != 12); | |
10612 | BUILD_BUG_ON(offsetof(struct pqi_general_management_request, | |
10613 | data.set_event_configuration.sg_descriptors) != 16); | |
10614 | ||
10615 | BUILD_BUG_ON(offsetof(struct pqi_iu_layer_descriptor, | |
10616 | max_inbound_iu_length) != 6); | |
10617 | BUILD_BUG_ON(offsetof(struct pqi_iu_layer_descriptor, | |
10618 | max_outbound_iu_length) != 14); | |
10619 | BUILD_BUG_ON(sizeof(struct pqi_iu_layer_descriptor) != 16); | |
10620 | ||
10621 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10622 | data_length) != 0); | |
10623 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10624 | iq_arbitration_priority_support_bitmask) != 8); | |
10625 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10626 | maximum_aw_a) != 9); | |
10627 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10628 | maximum_aw_b) != 10); | |
10629 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10630 | maximum_aw_c) != 11); | |
10631 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10632 | max_inbound_queues) != 16); | |
10633 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10634 | max_elements_per_iq) != 18); | |
10635 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10636 | max_iq_element_length) != 24); | |
10637 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10638 | min_iq_element_length) != 26); | |
10639 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10640 | max_outbound_queues) != 30); | |
10641 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10642 | max_elements_per_oq) != 32); | |
10643 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10644 | intr_coalescing_time_granularity) != 34); | |
10645 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10646 | max_oq_element_length) != 36); | |
10647 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10648 | min_oq_element_length) != 38); | |
10649 | BUILD_BUG_ON(offsetof(struct pqi_device_capability, | |
10650 | iu_layer_descriptors) != 64); | |
10651 | BUILD_BUG_ON(sizeof(struct pqi_device_capability) != 576); | |
10652 | ||
10653 | BUILD_BUG_ON(offsetof(struct pqi_event_descriptor, | |
10654 | event_type) != 0); | |
10655 | BUILD_BUG_ON(offsetof(struct pqi_event_descriptor, | |
10656 | oq_id) != 2); | |
10657 | BUILD_BUG_ON(sizeof(struct pqi_event_descriptor) != 4); | |
10658 | ||
10659 | BUILD_BUG_ON(offsetof(struct pqi_event_config, | |
10660 | num_event_descriptors) != 2); | |
10661 | BUILD_BUG_ON(offsetof(struct pqi_event_config, | |
10662 | descriptors) != 4); | |
10663 | ||
061ef06a KB |
10664 | BUILD_BUG_ON(PQI_NUM_SUPPORTED_EVENTS != |
10665 | ARRAY_SIZE(pqi_supported_event_types)); | |
10666 | ||
6c223761 KB |
10667 | BUILD_BUG_ON(offsetof(struct pqi_event_response, |
10668 | header.iu_type) != 0); | |
10669 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10670 | header.iu_length) != 2); | |
10671 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10672 | event_type) != 8); | |
10673 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10674 | event_id) != 10); | |
10675 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10676 | additional_event_id) != 12); | |
10677 | BUILD_BUG_ON(offsetof(struct pqi_event_response, | |
10678 | data) != 16); | |
10679 | BUILD_BUG_ON(sizeof(struct pqi_event_response) != 32); | |
10680 | ||
10681 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10682 | header.iu_type) != 0); | |
10683 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10684 | header.iu_length) != 2); | |
10685 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10686 | event_type) != 8); | |
10687 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10688 | event_id) != 10); | |
10689 | BUILD_BUG_ON(offsetof(struct pqi_event_acknowledge_request, | |
10690 | additional_event_id) != 12); | |
10691 | BUILD_BUG_ON(sizeof(struct pqi_event_acknowledge_request) != 16); | |
10692 | ||
10693 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10694 | header.iu_type) != 0); | |
10695 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10696 | header.iu_length) != 2); | |
10697 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10698 | request_id) != 8); | |
10699 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10700 | nexus_id) != 10); | |
10701 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
c2922f17 MB |
10702 | timeout) != 14); |
10703 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
6c223761 KB |
10704 | lun_number) != 16); |
10705 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10706 | protocol_specific) != 24); | |
10707 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10708 | outbound_queue_id_to_manage) != 26); | |
10709 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10710 | request_id_to_manage) != 28); | |
10711 | BUILD_BUG_ON(offsetof(struct pqi_task_management_request, | |
10712 | task_management_function) != 30); | |
10713 | BUILD_BUG_ON(sizeof(struct pqi_task_management_request) != 32); | |
10714 | ||
10715 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10716 | header.iu_type) != 0); | |
10717 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10718 | header.iu_length) != 2); | |
10719 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10720 | request_id) != 8); | |
10721 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10722 | nexus_id) != 10); | |
10723 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10724 | additional_response_info) != 12); | |
10725 | BUILD_BUG_ON(offsetof(struct pqi_task_management_response, | |
10726 | response_code) != 15); | |
10727 | BUILD_BUG_ON(sizeof(struct pqi_task_management_response) != 16); | |
10728 | ||
10729 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10730 | configured_logical_drive_count) != 0); | |
10731 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10732 | configuration_signature) != 1); | |
10733 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
598bef8d | 10734 | firmware_version_short) != 5); |
6c223761 KB |
10735 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10736 | extended_logical_unit_count) != 154); | |
10737 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10738 | firmware_build_number) != 190); | |
598bef8d KB |
10739 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10740 | vendor_id) != 200); | |
10741 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10742 | product_id) != 208); | |
10743 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10744 | extra_controller_flags) != 286); | |
6c223761 KB |
10745 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10746 | controller_mode) != 292); | |
598bef8d KB |
10747 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, |
10748 | spare_part_number) != 293); | |
10749 | BUILD_BUG_ON(offsetof(struct bmic_identify_controller, | |
10750 | firmware_version_long) != 325); | |
6c223761 | 10751 | |
1be42f46 KB |
10752 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, |
10753 | phys_bay_in_box) != 115); | |
10754 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10755 | device_type) != 120); | |
10756 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10757 | redundant_path_present_map) != 1736); | |
10758 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10759 | active_path_number) != 1738); | |
10760 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10761 | alternate_paths_phys_connector) != 1739); | |
10762 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10763 | alternate_paths_phys_box_on_port) != 1755); | |
10764 | BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, | |
10765 | current_queue_depth_limit) != 1796); | |
10766 | BUILD_BUG_ON(sizeof(struct bmic_identify_physical_device) != 2560); | |
10767 | ||
f6cc2a77 KB |
10768 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_buffer_header) != 4); |
10769 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10770 | page_code) != 0); | |
10771 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10772 | subpage_code) != 1); | |
10773 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, | |
10774 | buffer_length) != 2); | |
10775 | ||
10776 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_page_header) != 4); | |
10777 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10778 | page_code) != 0); | |
10779 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10780 | subpage_code) != 1); | |
10781 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, | |
10782 | page_length) != 2); | |
10783 | ||
10784 | BUILD_BUG_ON(sizeof(struct bmic_sense_feature_io_page_aio_subpage) | |
10785 | != 18); | |
10786 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10787 | header) != 0); | |
10788 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10789 | firmware_read_support) != 4); | |
10790 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10791 | driver_read_support) != 5); | |
10792 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10793 | firmware_write_support) != 6); | |
10794 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10795 | driver_write_support) != 7); | |
10796 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10797 | max_transfer_encrypted_sas_sata) != 8); | |
10798 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10799 | max_transfer_encrypted_nvme) != 10); | |
10800 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10801 | max_write_raid_5_6) != 12); | |
10802 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10803 | max_write_raid_1_10_2drive) != 14); | |
10804 | BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, | |
10805 | max_write_raid_1_10_3drive) != 16); | |
10806 | ||
6c223761 KB |
10807 | BUILD_BUG_ON(PQI_ADMIN_IQ_NUM_ELEMENTS > 255); |
10808 | BUILD_BUG_ON(PQI_ADMIN_OQ_NUM_ELEMENTS > 255); | |
10809 | BUILD_BUG_ON(PQI_ADMIN_IQ_ELEMENT_LENGTH % | |
10810 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10811 | BUILD_BUG_ON(PQI_ADMIN_OQ_ELEMENT_LENGTH % | |
10812 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10813 | BUILD_BUG_ON(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH > 1048560); | |
10814 | BUILD_BUG_ON(PQI_OPERATIONAL_IQ_ELEMENT_LENGTH % | |
10815 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10816 | BUILD_BUG_ON(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH > 1048560); | |
10817 | BUILD_BUG_ON(PQI_OPERATIONAL_OQ_ELEMENT_LENGTH % | |
10818 | PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT != 0); | |
10819 | ||
10820 | BUILD_BUG_ON(PQI_RESERVED_IO_SLOTS >= PQI_MAX_OUTSTANDING_REQUESTS); | |
d727a776 KB |
10821 | BUILD_BUG_ON(PQI_RESERVED_IO_SLOTS >= |
10822 | PQI_MAX_OUTSTANDING_REQUESTS_KDUMP); | |
6c223761 | 10823 | } |