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635374e7 EM |
1 | /* |
2 | * This is the Fusion MPT base driver providing common API layer interface | |
3 | * for access to MPT (Message Passing Technology) firmware. | |
4 | * | |
5 | * This code is based on drivers/scsi/mpt2sas/mpt2_base.c | |
6 | * Copyright (C) 2007-2008 LSI Corporation | |
7 | * (mailto:DL-MPTFusionLinux@lsi.com) | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version 2 | |
12 | * of the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * NO WARRANTY | |
20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
24 | * solely responsible for determining the appropriateness of using and | |
25 | * distributing the Program and assumes all risks associated with its | |
26 | * exercise of rights under this Agreement, including but not limited to | |
27 | * the risks and costs of program errors, damage to or loss of data, | |
28 | * programs or equipment, and unavailability or interruption of operations. | |
29 | ||
30 | * DISCLAIMER OF LIABILITY | |
31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
38 | ||
39 | * You should have received a copy of the GNU General Public License | |
40 | * along with this program; if not, write to the Free Software | |
41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
42 | * USA. | |
43 | */ | |
44 | ||
45 | #include <linux/version.h> | |
46 | #include <linux/kernel.h> | |
47 | #include <linux/module.h> | |
48 | #include <linux/errno.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/slab.h> | |
51 | #include <linux/types.h> | |
52 | #include <linux/pci.h> | |
53 | #include <linux/kdev_t.h> | |
54 | #include <linux/blkdev.h> | |
55 | #include <linux/delay.h> | |
56 | #include <linux/interrupt.h> | |
57 | #include <linux/dma-mapping.h> | |
58 | #include <linux/sort.h> | |
59 | #include <linux/io.h> | |
60 | ||
61 | #include "mpt2sas_base.h" | |
62 | ||
63 | static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; | |
64 | ||
65 | #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ | |
66 | #define MPT2SAS_MAX_REQUEST_QUEUE 500 /* maximum controller queue depth */ | |
67 | ||
68 | static int max_queue_depth = -1; | |
69 | module_param(max_queue_depth, int, 0); | |
70 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); | |
71 | ||
72 | static int max_sgl_entries = -1; | |
73 | module_param(max_sgl_entries, int, 0); | |
74 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); | |
75 | ||
76 | static int msix_disable = -1; | |
77 | module_param(msix_disable, int, 0); | |
78 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); | |
79 | ||
80 | /** | |
81 | * _base_fault_reset_work - workq handling ioc fault conditions | |
82 | * @work: input argument, used to derive ioc | |
83 | * Context: sleep. | |
84 | * | |
85 | * Return nothing. | |
86 | */ | |
87 | static void | |
88 | _base_fault_reset_work(struct work_struct *work) | |
89 | { | |
90 | struct MPT2SAS_ADAPTER *ioc = | |
91 | container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); | |
92 | unsigned long flags; | |
93 | u32 doorbell; | |
94 | int rc; | |
95 | ||
96 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
97 | if (ioc->ioc_reset_in_progress) | |
98 | goto rearm_timer; | |
99 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
100 | ||
101 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
102 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
103 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
104 | FORCE_BIG_HAMMER); | |
105 | printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, | |
106 | __func__, (rc == 0) ? "success" : "failed"); | |
107 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
108 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
109 | mpt2sas_base_fault_info(ioc, doorbell & | |
110 | MPI2_DOORBELL_DATA_MASK); | |
111 | } | |
112 | ||
113 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
114 | rearm_timer: | |
115 | if (ioc->fault_reset_work_q) | |
116 | queue_delayed_work(ioc->fault_reset_work_q, | |
117 | &ioc->fault_reset_work, | |
118 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
119 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
120 | } | |
121 | ||
e4750c98 KD |
122 | /** |
123 | * mpt2sas_base_start_watchdog - start the fault_reset_work_q | |
124 | * @ioc: pointer to scsi command object | |
125 | * Context: sleep. | |
126 | * | |
127 | * Return nothing. | |
128 | */ | |
129 | void | |
130 | mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
131 | { | |
132 | unsigned long flags; | |
133 | ||
134 | if (ioc->fault_reset_work_q) | |
135 | return; | |
136 | ||
137 | /* initialize fault polling */ | |
138 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); | |
139 | snprintf(ioc->fault_reset_work_q_name, | |
140 | sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); | |
141 | ioc->fault_reset_work_q = | |
142 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); | |
143 | if (!ioc->fault_reset_work_q) { | |
144 | printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", | |
145 | ioc->name, __func__, __LINE__); | |
146 | return; | |
147 | } | |
148 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
149 | if (ioc->fault_reset_work_q) | |
150 | queue_delayed_work(ioc->fault_reset_work_q, | |
151 | &ioc->fault_reset_work, | |
152 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
153 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
154 | } | |
155 | ||
156 | /** | |
157 | * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q | |
158 | * @ioc: pointer to scsi command object | |
159 | * Context: sleep. | |
160 | * | |
161 | * Return nothing. | |
162 | */ | |
163 | void | |
164 | mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
165 | { | |
166 | unsigned long flags; | |
167 | struct workqueue_struct *wq; | |
168 | ||
169 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
170 | wq = ioc->fault_reset_work_q; | |
171 | ioc->fault_reset_work_q = NULL; | |
172 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
173 | if (wq) { | |
174 | if (!cancel_delayed_work(&ioc->fault_reset_work)) | |
175 | flush_workqueue(wq); | |
176 | destroy_workqueue(wq); | |
177 | } | |
178 | } | |
179 | ||
635374e7 EM |
180 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
181 | /** | |
182 | * _base_sas_ioc_info - verbose translation of the ioc status | |
183 | * @ioc: pointer to scsi command object | |
184 | * @mpi_reply: reply mf payload returned from firmware | |
185 | * @request_hdr: request mf | |
186 | * | |
187 | * Return nothing. | |
188 | */ | |
189 | static void | |
190 | _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, | |
191 | MPI2RequestHeader_t *request_hdr) | |
192 | { | |
193 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
194 | MPI2_IOCSTATUS_MASK; | |
195 | char *desc = NULL; | |
196 | u16 frame_sz; | |
197 | char *func_str = NULL; | |
198 | ||
199 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ | |
200 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
201 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
202 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) | |
203 | return; | |
204 | ||
205 | switch (ioc_status) { | |
206 | ||
207 | /**************************************************************************** | |
208 | * Common IOCStatus values for all replies | |
209 | ****************************************************************************/ | |
210 | ||
211 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
212 | desc = "invalid function"; | |
213 | break; | |
214 | case MPI2_IOCSTATUS_BUSY: | |
215 | desc = "busy"; | |
216 | break; | |
217 | case MPI2_IOCSTATUS_INVALID_SGL: | |
218 | desc = "invalid sgl"; | |
219 | break; | |
220 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
221 | desc = "internal error"; | |
222 | break; | |
223 | case MPI2_IOCSTATUS_INVALID_VPID: | |
224 | desc = "invalid vpid"; | |
225 | break; | |
226 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
227 | desc = "insufficient resources"; | |
228 | break; | |
229 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
230 | desc = "invalid field"; | |
231 | break; | |
232 | case MPI2_IOCSTATUS_INVALID_STATE: | |
233 | desc = "invalid state"; | |
234 | break; | |
235 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: | |
236 | desc = "op state not supported"; | |
237 | break; | |
238 | ||
239 | /**************************************************************************** | |
240 | * Config IOCStatus values | |
241 | ****************************************************************************/ | |
242 | ||
243 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: | |
244 | desc = "config invalid action"; | |
245 | break; | |
246 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: | |
247 | desc = "config invalid type"; | |
248 | break; | |
249 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: | |
250 | desc = "config invalid page"; | |
251 | break; | |
252 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: | |
253 | desc = "config invalid data"; | |
254 | break; | |
255 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: | |
256 | desc = "config no defaults"; | |
257 | break; | |
258 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: | |
259 | desc = "config cant commit"; | |
260 | break; | |
261 | ||
262 | /**************************************************************************** | |
263 | * SCSI IO Reply | |
264 | ****************************************************************************/ | |
265 | ||
266 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
267 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
268 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
269 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
270 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
271 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
272 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
273 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
274 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
275 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
276 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
277 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
278 | break; | |
279 | ||
280 | /**************************************************************************** | |
281 | * For use by SCSI Initiator and SCSI Target end-to-end data protection | |
282 | ****************************************************************************/ | |
283 | ||
284 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
285 | desc = "eedp guard error"; | |
286 | break; | |
287 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
288 | desc = "eedp ref tag error"; | |
289 | break; | |
290 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
291 | desc = "eedp app tag error"; | |
292 | break; | |
293 | ||
294 | /**************************************************************************** | |
295 | * SCSI Target values | |
296 | ****************************************************************************/ | |
297 | ||
298 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: | |
299 | desc = "target invalid io index"; | |
300 | break; | |
301 | case MPI2_IOCSTATUS_TARGET_ABORTED: | |
302 | desc = "target aborted"; | |
303 | break; | |
304 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: | |
305 | desc = "target no conn retryable"; | |
306 | break; | |
307 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: | |
308 | desc = "target no connection"; | |
309 | break; | |
310 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: | |
311 | desc = "target xfer count mismatch"; | |
312 | break; | |
313 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: | |
314 | desc = "target data offset error"; | |
315 | break; | |
316 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: | |
317 | desc = "target too much write data"; | |
318 | break; | |
319 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: | |
320 | desc = "target iu too short"; | |
321 | break; | |
322 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: | |
323 | desc = "target ack nak timeout"; | |
324 | break; | |
325 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: | |
326 | desc = "target nak received"; | |
327 | break; | |
328 | ||
329 | /**************************************************************************** | |
330 | * Serial Attached SCSI values | |
331 | ****************************************************************************/ | |
332 | ||
333 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: | |
334 | desc = "smp request failed"; | |
335 | break; | |
336 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: | |
337 | desc = "smp data overrun"; | |
338 | break; | |
339 | ||
340 | /**************************************************************************** | |
341 | * Diagnostic Buffer Post / Diagnostic Release values | |
342 | ****************************************************************************/ | |
343 | ||
344 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: | |
345 | desc = "diagnostic released"; | |
346 | break; | |
347 | default: | |
348 | break; | |
349 | } | |
350 | ||
351 | if (!desc) | |
352 | return; | |
353 | ||
354 | switch (request_hdr->Function) { | |
355 | case MPI2_FUNCTION_CONFIG: | |
356 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; | |
357 | func_str = "config_page"; | |
358 | break; | |
359 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
360 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); | |
361 | func_str = "task_mgmt"; | |
362 | break; | |
363 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
364 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); | |
365 | func_str = "sas_iounit_ctl"; | |
366 | break; | |
367 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
368 | frame_sz = sizeof(Mpi2SepRequest_t); | |
369 | func_str = "enclosure"; | |
370 | break; | |
371 | case MPI2_FUNCTION_IOC_INIT: | |
372 | frame_sz = sizeof(Mpi2IOCInitRequest_t); | |
373 | func_str = "ioc_init"; | |
374 | break; | |
375 | case MPI2_FUNCTION_PORT_ENABLE: | |
376 | frame_sz = sizeof(Mpi2PortEnableRequest_t); | |
377 | func_str = "port_enable"; | |
378 | break; | |
379 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
380 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; | |
381 | func_str = "smp_passthru"; | |
382 | break; | |
383 | default: | |
384 | frame_sz = 32; | |
385 | func_str = "unknown"; | |
386 | break; | |
387 | } | |
388 | ||
389 | printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," | |
390 | " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); | |
391 | ||
392 | _debug_dump_mf(request_hdr, frame_sz/4); | |
393 | } | |
394 | ||
395 | /** | |
396 | * _base_display_event_data - verbose translation of firmware asyn events | |
397 | * @ioc: pointer to scsi command object | |
398 | * @mpi_reply: reply mf payload returned from firmware | |
399 | * | |
400 | * Return nothing. | |
401 | */ | |
402 | static void | |
403 | _base_display_event_data(struct MPT2SAS_ADAPTER *ioc, | |
404 | Mpi2EventNotificationReply_t *mpi_reply) | |
405 | { | |
406 | char *desc = NULL; | |
407 | u16 event; | |
408 | ||
409 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) | |
410 | return; | |
411 | ||
412 | event = le16_to_cpu(mpi_reply->Event); | |
413 | ||
414 | switch (event) { | |
415 | case MPI2_EVENT_LOG_DATA: | |
416 | desc = "Log Data"; | |
417 | break; | |
418 | case MPI2_EVENT_STATE_CHANGE: | |
419 | desc = "Status Change"; | |
420 | break; | |
421 | case MPI2_EVENT_HARD_RESET_RECEIVED: | |
422 | desc = "Hard Reset Received"; | |
423 | break; | |
424 | case MPI2_EVENT_EVENT_CHANGE: | |
425 | desc = "Event Change"; | |
426 | break; | |
427 | case MPI2_EVENT_TASK_SET_FULL: | |
428 | desc = "Task Set Full"; | |
429 | break; | |
430 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
431 | desc = "Device Status Change"; | |
432 | break; | |
433 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
434 | desc = "IR Operation Status"; | |
435 | break; | |
436 | case MPI2_EVENT_SAS_DISCOVERY: | |
437 | desc = "Discovery"; | |
438 | break; | |
439 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
440 | desc = "SAS Broadcast Primitive"; | |
441 | break; | |
442 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: | |
443 | desc = "SAS Init Device Status Change"; | |
444 | break; | |
445 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: | |
446 | desc = "SAS Init Table Overflow"; | |
447 | break; | |
448 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
449 | desc = "SAS Topology Change List"; | |
450 | break; | |
451 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
452 | desc = "SAS Enclosure Device Status Change"; | |
453 | break; | |
454 | case MPI2_EVENT_IR_VOLUME: | |
455 | desc = "IR Volume"; | |
456 | break; | |
457 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
458 | desc = "IR Physical Disk"; | |
459 | break; | |
460 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
461 | desc = "IR Configuration Change List"; | |
462 | break; | |
463 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
464 | desc = "Log Entry Added"; | |
465 | break; | |
466 | } | |
467 | ||
468 | if (!desc) | |
469 | return; | |
470 | ||
471 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); | |
472 | } | |
473 | #endif | |
474 | ||
475 | /** | |
476 | * _base_sas_log_info - verbose translation of firmware log info | |
477 | * @ioc: pointer to scsi command object | |
478 | * @log_info: log info | |
479 | * | |
480 | * Return nothing. | |
481 | */ | |
482 | static void | |
483 | _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) | |
484 | { | |
485 | union loginfo_type { | |
486 | u32 loginfo; | |
487 | struct { | |
488 | u32 subcode:16; | |
489 | u32 code:8; | |
490 | u32 originator:4; | |
491 | u32 bus_type:4; | |
492 | } dw; | |
493 | }; | |
494 | union loginfo_type sas_loginfo; | |
495 | char *originator_str = NULL; | |
496 | ||
497 | sas_loginfo.loginfo = log_info; | |
498 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) | |
499 | return; | |
500 | ||
be9e8cd7 KD |
501 | /* each nexus loss loginfo */ |
502 | if (log_info == 0x31170000) | |
503 | return; | |
504 | ||
635374e7 EM |
505 | /* eat the loginfos associated with task aborts */ |
506 | if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == | |
507 | 0x31140000 || log_info == 0x31130000)) | |
508 | return; | |
509 | ||
510 | switch (sas_loginfo.dw.originator) { | |
511 | case 0: | |
512 | originator_str = "IOP"; | |
513 | break; | |
514 | case 1: | |
515 | originator_str = "PL"; | |
516 | break; | |
517 | case 2: | |
518 | originator_str = "IR"; | |
519 | break; | |
520 | } | |
521 | ||
522 | printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " | |
523 | "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, | |
524 | originator_str, sas_loginfo.dw.code, | |
525 | sas_loginfo.dw.subcode); | |
526 | } | |
527 | ||
528 | /** | |
529 | * mpt2sas_base_fault_info - verbose translation of firmware FAULT code | |
530 | * @ioc: pointer to scsi command object | |
531 | * @fault_code: fault code | |
532 | * | |
533 | * Return nothing. | |
534 | */ | |
535 | void | |
536 | mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) | |
537 | { | |
538 | printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", | |
539 | ioc->name, fault_code); | |
540 | } | |
541 | ||
542 | /** | |
543 | * _base_display_reply_info - | |
544 | * @ioc: pointer to scsi command object | |
545 | * @smid: system request message index | |
546 | * @VF_ID: virtual function id | |
547 | * @reply: reply message frame(lower 32bit addr) | |
548 | * | |
549 | * Return nothing. | |
550 | */ | |
551 | static void | |
552 | _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, | |
553 | u32 reply) | |
554 | { | |
555 | MPI2DefaultReply_t *mpi_reply; | |
556 | u16 ioc_status; | |
557 | ||
558 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
559 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
560 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
561 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && | |
562 | (ioc->logging_level & MPT_DEBUG_REPLY)) { | |
563 | _base_sas_ioc_info(ioc , mpi_reply, | |
564 | mpt2sas_base_get_msg_frame(ioc, smid)); | |
565 | } | |
566 | #endif | |
567 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
568 | _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
569 | } | |
570 | ||
571 | /** | |
572 | * mpt2sas_base_done - base internal command completion routine | |
573 | * @ioc: pointer to scsi command object | |
574 | * @smid: system request message index | |
575 | * @VF_ID: virtual function id | |
576 | * @reply: reply message frame(lower 32bit addr) | |
577 | * | |
578 | * Return nothing. | |
579 | */ | |
580 | void | |
581 | mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply) | |
582 | { | |
583 | MPI2DefaultReply_t *mpi_reply; | |
584 | ||
585 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
586 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
587 | return; | |
588 | ||
589 | if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) | |
590 | return; | |
591 | ||
592 | ioc->base_cmds.status |= MPT2_CMD_COMPLETE; | |
593 | if (mpi_reply) { | |
594 | ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; | |
595 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
596 | } | |
597 | ioc->base_cmds.status &= ~MPT2_CMD_PENDING; | |
598 | complete(&ioc->base_cmds.done); | |
599 | } | |
600 | ||
601 | /** | |
602 | * _base_async_event - main callback handler for firmware asyn events | |
603 | * @ioc: pointer to scsi command object | |
604 | * @VF_ID: virtual function id | |
605 | * @reply: reply message frame(lower 32bit addr) | |
606 | * | |
607 | * Return nothing. | |
608 | */ | |
609 | static void | |
610 | _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply) | |
611 | { | |
612 | Mpi2EventNotificationReply_t *mpi_reply; | |
613 | Mpi2EventAckRequest_t *ack_request; | |
614 | u16 smid; | |
615 | ||
616 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
617 | if (!mpi_reply) | |
618 | return; | |
619 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) | |
620 | return; | |
621 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
622 | _base_display_event_data(ioc, mpi_reply); | |
623 | #endif | |
624 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) | |
625 | goto out; | |
626 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
627 | if (!smid) { | |
628 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
629 | ioc->name, __func__); | |
630 | goto out; | |
631 | } | |
632 | ||
633 | ack_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
634 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
635 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
636 | ack_request->Event = mpi_reply->Event; | |
637 | ack_request->EventContext = mpi_reply->EventContext; | |
638 | ack_request->VF_ID = VF_ID; | |
639 | mpt2sas_base_put_smid_default(ioc, smid, VF_ID); | |
640 | ||
641 | out: | |
642 | ||
643 | /* scsih callback handler */ | |
644 | mpt2sas_scsih_event_callback(ioc, VF_ID, reply); | |
645 | ||
646 | /* ctl callback handler */ | |
647 | mpt2sas_ctl_event_callback(ioc, VF_ID, reply); | |
648 | } | |
649 | ||
650 | /** | |
651 | * _base_mask_interrupts - disable interrupts | |
652 | * @ioc: pointer to scsi command object | |
653 | * | |
654 | * Disabling ResetIRQ, Reply and Doorbell Interrupts | |
655 | * | |
656 | * Return nothing. | |
657 | */ | |
658 | static void | |
659 | _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
660 | { | |
661 | u32 him_register; | |
662 | ||
663 | ioc->mask_interrupts = 1; | |
664 | him_register = readl(&ioc->chip->HostInterruptMask); | |
665 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; | |
666 | writel(him_register, &ioc->chip->HostInterruptMask); | |
667 | readl(&ioc->chip->HostInterruptMask); | |
668 | } | |
669 | ||
670 | /** | |
671 | * _base_unmask_interrupts - enable interrupts | |
672 | * @ioc: pointer to scsi command object | |
673 | * | |
674 | * Enabling only Reply Interrupts | |
675 | * | |
676 | * Return nothing. | |
677 | */ | |
678 | static void | |
679 | _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
680 | { | |
681 | u32 him_register; | |
682 | ||
683 | writel(0, &ioc->chip->HostInterruptStatus); | |
684 | him_register = readl(&ioc->chip->HostInterruptMask); | |
685 | him_register &= ~MPI2_HIM_RIM; | |
686 | writel(him_register, &ioc->chip->HostInterruptMask); | |
687 | ioc->mask_interrupts = 0; | |
688 | } | |
689 | ||
690 | /** | |
691 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. | |
692 | * @irq: irq number (not used) | |
693 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure | |
694 | * @r: pt_regs pointer (not used) | |
695 | * | |
696 | * Return IRQ_HANDLE if processed, else IRQ_NONE. | |
697 | */ | |
698 | static irqreturn_t | |
699 | _base_interrupt(int irq, void *bus_id) | |
700 | { | |
03ea1115 EM |
701 | union reply_descriptor { |
702 | u64 word; | |
703 | struct { | |
704 | u32 low; | |
705 | u32 high; | |
706 | } u; | |
707 | }; | |
708 | union reply_descriptor rd; | |
635374e7 EM |
709 | u32 post_index, post_index_next, completed_cmds; |
710 | u8 request_desript_type; | |
711 | u16 smid; | |
712 | u8 cb_idx; | |
713 | u32 reply; | |
714 | u8 VF_ID; | |
715 | int i; | |
716 | struct MPT2SAS_ADAPTER *ioc = bus_id; | |
717 | ||
718 | if (ioc->mask_interrupts) | |
719 | return IRQ_NONE; | |
720 | ||
721 | post_index = ioc->reply_post_host_index; | |
722 | request_desript_type = ioc->reply_post_free[post_index]. | |
723 | Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
724 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
725 | return IRQ_NONE; | |
726 | ||
727 | completed_cmds = 0; | |
728 | do { | |
03ea1115 EM |
729 | rd.word = ioc->reply_post_free[post_index].Words; |
730 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) | |
635374e7 EM |
731 | goto out; |
732 | reply = 0; | |
733 | cb_idx = 0xFF; | |
734 | smid = le16_to_cpu(ioc->reply_post_free[post_index]. | |
735 | Default.DescriptorTypeDependent1); | |
736 | VF_ID = ioc->reply_post_free[post_index]. | |
737 | Default.VF_ID; | |
738 | if (request_desript_type == | |
739 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { | |
740 | reply = le32_to_cpu(ioc->reply_post_free[post_index]. | |
741 | AddressReply.ReplyFrameAddress); | |
742 | } else if (request_desript_type == | |
743 | MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) | |
744 | goto next; | |
745 | else if (request_desript_type == | |
746 | MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) | |
747 | goto next; | |
748 | if (smid) | |
749 | cb_idx = ioc->scsi_lookup[smid - 1].cb_idx; | |
750 | if (smid && cb_idx != 0xFF) { | |
751 | mpt_callbacks[cb_idx](ioc, smid, VF_ID, reply); | |
752 | if (reply) | |
753 | _base_display_reply_info(ioc, smid, VF_ID, | |
754 | reply); | |
755 | mpt2sas_base_free_smid(ioc, smid); | |
756 | } | |
757 | if (!smid) | |
758 | _base_async_event(ioc, VF_ID, reply); | |
759 | ||
760 | /* reply free queue handling */ | |
761 | if (reply) { | |
762 | ioc->reply_free_host_index = | |
763 | (ioc->reply_free_host_index == | |
764 | (ioc->reply_free_queue_depth - 1)) ? | |
765 | 0 : ioc->reply_free_host_index + 1; | |
766 | ioc->reply_free[ioc->reply_free_host_index] = | |
767 | cpu_to_le32(reply); | |
768 | writel(ioc->reply_free_host_index, | |
769 | &ioc->chip->ReplyFreeHostIndex); | |
770 | wmb(); | |
771 | } | |
772 | ||
773 | next: | |
774 | post_index_next = (post_index == (ioc->reply_post_queue_depth - | |
775 | 1)) ? 0 : post_index + 1; | |
776 | request_desript_type = | |
777 | ioc->reply_post_free[post_index_next].Default.ReplyFlags | |
778 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
779 | completed_cmds++; | |
780 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
781 | goto out; | |
782 | post_index = post_index_next; | |
783 | } while (1); | |
784 | ||
785 | out: | |
786 | ||
787 | if (!completed_cmds) | |
788 | return IRQ_NONE; | |
789 | ||
790 | /* reply post descriptor handling */ | |
791 | post_index_next = ioc->reply_post_host_index; | |
792 | for (i = 0 ; i < completed_cmds; i++) { | |
793 | post_index = post_index_next; | |
794 | /* poison the reply post descriptor */ | |
03ea1115 | 795 | ioc->reply_post_free[post_index_next].Words = ULLONG_MAX; |
635374e7 EM |
796 | post_index_next = (post_index == |
797 | (ioc->reply_post_queue_depth - 1)) | |
798 | ? 0 : post_index + 1; | |
799 | } | |
800 | ioc->reply_post_host_index = post_index_next; | |
801 | writel(post_index_next, &ioc->chip->ReplyPostHostIndex); | |
802 | wmb(); | |
803 | return IRQ_HANDLED; | |
804 | } | |
805 | ||
806 | /** | |
807 | * mpt2sas_base_release_callback_handler - clear interupt callback handler | |
808 | * @cb_idx: callback index | |
809 | * | |
810 | * Return nothing. | |
811 | */ | |
812 | void | |
813 | mpt2sas_base_release_callback_handler(u8 cb_idx) | |
814 | { | |
815 | mpt_callbacks[cb_idx] = NULL; | |
816 | } | |
817 | ||
818 | /** | |
819 | * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler | |
820 | * @cb_func: callback function | |
821 | * | |
822 | * Returns cb_func. | |
823 | */ | |
824 | u8 | |
825 | mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) | |
826 | { | |
827 | u8 cb_idx; | |
828 | ||
829 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) | |
830 | if (mpt_callbacks[cb_idx] == NULL) | |
831 | break; | |
832 | ||
833 | mpt_callbacks[cb_idx] = cb_func; | |
834 | return cb_idx; | |
835 | } | |
836 | ||
837 | /** | |
838 | * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler | |
839 | * | |
840 | * Return nothing. | |
841 | */ | |
842 | void | |
843 | mpt2sas_base_initialize_callback_handler(void) | |
844 | { | |
845 | u8 cb_idx; | |
846 | ||
847 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) | |
848 | mpt2sas_base_release_callback_handler(cb_idx); | |
849 | } | |
850 | ||
851 | /** | |
852 | * mpt2sas_base_build_zero_len_sge - build zero length sg entry | |
853 | * @ioc: per adapter object | |
854 | * @paddr: virtual address for SGE | |
855 | * | |
856 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
857 | * something to use if the target device goes brain dead and tries | |
858 | * to send data even when none is asked for. | |
859 | * | |
860 | * Return nothing. | |
861 | */ | |
862 | void | |
863 | mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) | |
864 | { | |
865 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | | |
866 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | | |
867 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << | |
868 | MPI2_SGE_FLAGS_SHIFT); | |
869 | ioc->base_add_sg_single(paddr, flags_length, -1); | |
870 | } | |
871 | ||
872 | /** | |
873 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. | |
874 | * @paddr: virtual address for SGE | |
875 | * @flags_length: SGE flags and data transfer length | |
876 | * @dma_addr: Physical address | |
877 | * | |
878 | * Return nothing. | |
879 | */ | |
880 | static void | |
881 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
882 | { | |
883 | Mpi2SGESimple32_t *sgel = paddr; | |
884 | ||
885 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | | |
886 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
887 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
888 | sgel->Address = cpu_to_le32(dma_addr); | |
889 | } | |
890 | ||
891 | ||
892 | /** | |
893 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. | |
894 | * @paddr: virtual address for SGE | |
895 | * @flags_length: SGE flags and data transfer length | |
896 | * @dma_addr: Physical address | |
897 | * | |
898 | * Return nothing. | |
899 | */ | |
900 | static void | |
901 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
902 | { | |
903 | Mpi2SGESimple64_t *sgel = paddr; | |
904 | ||
905 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | | |
906 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
907 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
908 | sgel->Address = cpu_to_le64(dma_addr); | |
909 | } | |
910 | ||
911 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) | |
912 | ||
913 | /** | |
914 | * _base_config_dma_addressing - set dma addressing | |
915 | * @ioc: per adapter object | |
916 | * @pdev: PCI device struct | |
917 | * | |
918 | * Returns 0 for success, non-zero for failure. | |
919 | */ | |
920 | static int | |
921 | _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) | |
922 | { | |
923 | struct sysinfo s; | |
924 | char *desc = NULL; | |
925 | ||
926 | if (sizeof(dma_addr_t) > 4) { | |
927 | const uint64_t required_mask = | |
928 | dma_get_required_mask(&pdev->dev); | |
e930438c YH |
929 | if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev, |
930 | DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev, | |
931 | DMA_BIT_MASK(64))) { | |
635374e7 EM |
932 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
933 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); | |
934 | desc = "64"; | |
935 | goto out; | |
936 | } | |
937 | } | |
938 | ||
e930438c YH |
939 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) |
940 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
635374e7 EM |
941 | ioc->base_add_sg_single = &_base_add_sg_single_32; |
942 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); | |
943 | desc = "32"; | |
944 | } else | |
945 | return -ENODEV; | |
946 | ||
947 | out: | |
948 | si_meminfo(&s); | |
949 | printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, " | |
950 | "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram)); | |
951 | ||
952 | return 0; | |
953 | } | |
954 | ||
955 | /** | |
956 | * _base_save_msix_table - backup msix vector table | |
957 | * @ioc: per adapter object | |
958 | * | |
959 | * This address an errata where diag reset clears out the table | |
960 | */ | |
961 | static void | |
962 | _base_save_msix_table(struct MPT2SAS_ADAPTER *ioc) | |
963 | { | |
964 | int i; | |
965 | ||
966 | if (!ioc->msix_enable || ioc->msix_table_backup == NULL) | |
967 | return; | |
968 | ||
969 | for (i = 0; i < ioc->msix_vector_count; i++) | |
970 | ioc->msix_table_backup[i] = ioc->msix_table[i]; | |
971 | } | |
972 | ||
973 | /** | |
974 | * _base_restore_msix_table - this restores the msix vector table | |
975 | * @ioc: per adapter object | |
976 | * | |
977 | */ | |
978 | static void | |
979 | _base_restore_msix_table(struct MPT2SAS_ADAPTER *ioc) | |
980 | { | |
981 | int i; | |
982 | ||
983 | if (!ioc->msix_enable || ioc->msix_table_backup == NULL) | |
984 | return; | |
985 | ||
986 | for (i = 0; i < ioc->msix_vector_count; i++) | |
987 | ioc->msix_table[i] = ioc->msix_table_backup[i]; | |
988 | } | |
989 | ||
990 | /** | |
991 | * _base_check_enable_msix - checks MSIX capabable. | |
992 | * @ioc: per adapter object | |
993 | * | |
994 | * Check to see if card is capable of MSIX, and set number | |
995 | * of avaliable msix vectors | |
996 | */ | |
997 | static int | |
998 | _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
999 | { | |
1000 | int base; | |
1001 | u16 message_control; | |
1002 | u32 msix_table_offset; | |
1003 | ||
1004 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); | |
1005 | if (!base) { | |
1006 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " | |
1007 | "supported\n", ioc->name)); | |
1008 | return -EINVAL; | |
1009 | } | |
1010 | ||
1011 | /* get msix vector count */ | |
1012 | pci_read_config_word(ioc->pdev, base + 2, &message_control); | |
1013 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; | |
1014 | ||
1015 | /* get msix table */ | |
1016 | pci_read_config_dword(ioc->pdev, base + 4, &msix_table_offset); | |
1017 | msix_table_offset &= 0xFFFFFFF8; | |
1018 | ioc->msix_table = (u32 *)((void *)ioc->chip + msix_table_offset); | |
1019 | ||
1020 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " | |
1021 | "vector_count(%d), table_offset(0x%08x), table(%p)\n", ioc->name, | |
1022 | ioc->msix_vector_count, msix_table_offset, ioc->msix_table)); | |
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | /** | |
1027 | * _base_disable_msix - disables msix | |
1028 | * @ioc: per adapter object | |
1029 | * | |
1030 | */ | |
1031 | static void | |
1032 | _base_disable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1033 | { | |
1034 | if (ioc->msix_enable) { | |
1035 | pci_disable_msix(ioc->pdev); | |
1036 | kfree(ioc->msix_table_backup); | |
1037 | ioc->msix_table_backup = NULL; | |
1038 | ioc->msix_enable = 0; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | /** | |
1043 | * _base_enable_msix - enables msix, failback to io_apic | |
1044 | * @ioc: per adapter object | |
1045 | * | |
1046 | */ | |
1047 | static int | |
1048 | _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1049 | { | |
1050 | struct msix_entry entries; | |
1051 | int r; | |
1052 | u8 try_msix = 0; | |
1053 | ||
1054 | if (msix_disable == -1 || msix_disable == 0) | |
1055 | try_msix = 1; | |
1056 | ||
1057 | if (!try_msix) | |
1058 | goto try_ioapic; | |
1059 | ||
1060 | if (_base_check_enable_msix(ioc) != 0) | |
1061 | goto try_ioapic; | |
1062 | ||
1063 | ioc->msix_table_backup = kcalloc(ioc->msix_vector_count, | |
1064 | sizeof(u32), GFP_KERNEL); | |
1065 | if (!ioc->msix_table_backup) { | |
1066 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " | |
1067 | "msix_table_backup failed!!!\n", ioc->name)); | |
1068 | goto try_ioapic; | |
1069 | } | |
1070 | ||
1071 | memset(&entries, 0, sizeof(struct msix_entry)); | |
1072 | r = pci_enable_msix(ioc->pdev, &entries, 1); | |
1073 | if (r) { | |
1074 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix " | |
1075 | "failed (r=%d) !!!\n", ioc->name, r)); | |
1076 | goto try_ioapic; | |
1077 | } | |
1078 | ||
1079 | r = request_irq(entries.vector, _base_interrupt, IRQF_SHARED, | |
1080 | ioc->name, ioc); | |
1081 | if (r) { | |
1082 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "unable to allocate " | |
1083 | "interrupt %d !!!\n", ioc->name, entries.vector)); | |
1084 | pci_disable_msix(ioc->pdev); | |
1085 | goto try_ioapic; | |
1086 | } | |
1087 | ||
1088 | ioc->pci_irq = entries.vector; | |
1089 | ioc->msix_enable = 1; | |
1090 | return 0; | |
1091 | ||
1092 | /* failback to io_apic interrupt routing */ | |
1093 | try_ioapic: | |
1094 | ||
1095 | r = request_irq(ioc->pdev->irq, _base_interrupt, IRQF_SHARED, | |
1096 | ioc->name, ioc); | |
1097 | if (r) { | |
1098 | printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", | |
1099 | ioc->name, ioc->pdev->irq); | |
1100 | r = -EBUSY; | |
1101 | goto out_fail; | |
1102 | } | |
1103 | ||
1104 | ioc->pci_irq = ioc->pdev->irq; | |
1105 | return 0; | |
1106 | ||
1107 | out_fail: | |
1108 | return r; | |
1109 | } | |
1110 | ||
1111 | /** | |
1112 | * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) | |
1113 | * @ioc: per adapter object | |
1114 | * | |
1115 | * Returns 0 for success, non-zero for failure. | |
1116 | */ | |
1117 | int | |
1118 | mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) | |
1119 | { | |
1120 | struct pci_dev *pdev = ioc->pdev; | |
1121 | u32 memap_sz; | |
1122 | u32 pio_sz; | |
1123 | int i, r = 0; | |
1124 | ||
1125 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", | |
1126 | ioc->name, __func__)); | |
1127 | ||
1128 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
1129 | if (pci_enable_device_mem(pdev)) { | |
1130 | printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " | |
1131 | "failed\n", ioc->name); | |
1132 | return -ENODEV; | |
1133 | } | |
1134 | ||
1135 | ||
1136 | if (pci_request_selected_regions(pdev, ioc->bars, | |
1137 | MPT2SAS_DRIVER_NAME)) { | |
1138 | printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " | |
1139 | "failed\n", ioc->name); | |
1140 | r = -ENODEV; | |
1141 | goto out_fail; | |
1142 | } | |
1143 | ||
1144 | pci_set_master(pdev); | |
1145 | ||
1146 | if (_base_config_dma_addressing(ioc, pdev) != 0) { | |
1147 | printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", | |
1148 | ioc->name, pci_name(pdev)); | |
1149 | r = -ENODEV; | |
1150 | goto out_fail; | |
1151 | } | |
1152 | ||
1153 | for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { | |
1154 | if (pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE_IO) { | |
1155 | if (pio_sz) | |
1156 | continue; | |
1157 | ioc->pio_chip = pci_resource_start(pdev, i); | |
1158 | pio_sz = pci_resource_len(pdev, i); | |
1159 | } else { | |
1160 | if (memap_sz) | |
1161 | continue; | |
1162 | ioc->chip_phys = pci_resource_start(pdev, i); | |
1163 | memap_sz = pci_resource_len(pdev, i); | |
1164 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); | |
1165 | if (ioc->chip == NULL) { | |
1166 | printk(MPT2SAS_ERR_FMT "unable to map adapter " | |
1167 | "memory!\n", ioc->name); | |
1168 | r = -EINVAL; | |
1169 | goto out_fail; | |
1170 | } | |
1171 | } | |
1172 | } | |
1173 | ||
635374e7 EM |
1174 | _base_mask_interrupts(ioc); |
1175 | r = _base_enable_msix(ioc); | |
1176 | if (r) | |
1177 | goto out_fail; | |
1178 | ||
1179 | printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", | |
1180 | ioc->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : | |
1181 | "IO-APIC enabled"), ioc->pci_irq); | |
1182 | printk(MPT2SAS_INFO_FMT "iomem(0x%lx), mapped(0x%p), size(%d)\n", | |
1183 | ioc->name, ioc->chip_phys, ioc->chip, memap_sz); | |
1184 | printk(MPT2SAS_INFO_FMT "ioport(0x%lx), size(%d)\n", | |
1185 | ioc->name, ioc->pio_chip, pio_sz); | |
1186 | ||
1187 | return 0; | |
1188 | ||
1189 | out_fail: | |
1190 | if (ioc->chip_phys) | |
1191 | iounmap(ioc->chip); | |
1192 | ioc->chip_phys = 0; | |
1193 | ioc->pci_irq = -1; | |
1194 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
1195 | pci_disable_device(pdev); | |
635374e7 EM |
1196 | return r; |
1197 | } | |
1198 | ||
1199 | /** | |
1200 | * mpt2sas_base_get_msg_frame_dma - obtain request mf pointer phys addr | |
1201 | * @ioc: per adapter object | |
1202 | * @smid: system request message index(smid zero is invalid) | |
1203 | * | |
1204 | * Returns phys pointer to message frame. | |
1205 | */ | |
1206 | dma_addr_t | |
1207 | mpt2sas_base_get_msg_frame_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1208 | { | |
1209 | return ioc->request_dma + (smid * ioc->request_sz); | |
1210 | } | |
1211 | ||
1212 | /** | |
1213 | * mpt2sas_base_get_msg_frame - obtain request mf pointer | |
1214 | * @ioc: per adapter object | |
1215 | * @smid: system request message index(smid zero is invalid) | |
1216 | * | |
1217 | * Returns virt pointer to message frame. | |
1218 | */ | |
1219 | void * | |
1220 | mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1221 | { | |
1222 | return (void *)(ioc->request + (smid * ioc->request_sz)); | |
1223 | } | |
1224 | ||
1225 | /** | |
1226 | * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request | |
1227 | * @ioc: per adapter object | |
1228 | * @smid: system request message index | |
1229 | * | |
1230 | * Returns virt pointer to sense buffer. | |
1231 | */ | |
1232 | void * | |
1233 | mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1234 | { | |
1235 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
1236 | } | |
1237 | ||
1238 | /** | |
1239 | * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request | |
1240 | * @ioc: per adapter object | |
1241 | * @smid: system request message index | |
1242 | * | |
1243 | * Returns phys pointer to sense buffer. | |
1244 | */ | |
1245 | dma_addr_t | |
1246 | mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1247 | { | |
1248 | return ioc->sense_dma + ((smid - 1) * SCSI_SENSE_BUFFERSIZE); | |
1249 | } | |
1250 | ||
1251 | /** | |
1252 | * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address | |
1253 | * @ioc: per adapter object | |
1254 | * @phys_addr: lower 32 physical addr of the reply | |
1255 | * | |
1256 | * Converts 32bit lower physical addr into a virt address. | |
1257 | */ | |
1258 | void * | |
1259 | mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) | |
1260 | { | |
1261 | if (!phys_addr) | |
1262 | return NULL; | |
1263 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); | |
1264 | } | |
1265 | ||
1266 | /** | |
1267 | * mpt2sas_base_get_smid - obtain a free smid | |
1268 | * @ioc: per adapter object | |
1269 | * @cb_idx: callback index | |
1270 | * | |
1271 | * Returns smid (zero is invalid) | |
1272 | */ | |
1273 | u16 | |
1274 | mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1275 | { | |
1276 | unsigned long flags; | |
1277 | struct request_tracker *request; | |
1278 | u16 smid; | |
1279 | ||
1280 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1281 | if (list_empty(&ioc->free_list)) { | |
1282 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1283 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1284 | ioc->name, __func__); | |
1285 | return 0; | |
1286 | } | |
1287 | ||
1288 | request = list_entry(ioc->free_list.next, | |
1289 | struct request_tracker, tracker_list); | |
1290 | request->cb_idx = cb_idx; | |
1291 | smid = request->smid; | |
1292 | list_del(&request->tracker_list); | |
1293 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1294 | return smid; | |
1295 | } | |
1296 | ||
1297 | ||
1298 | /** | |
1299 | * mpt2sas_base_free_smid - put smid back on free_list | |
1300 | * @ioc: per adapter object | |
1301 | * @smid: system request message index | |
1302 | * | |
1303 | * Return nothing. | |
1304 | */ | |
1305 | void | |
1306 | mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1307 | { | |
1308 | unsigned long flags; | |
1309 | ||
1310 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1311 | ioc->scsi_lookup[smid - 1].cb_idx = 0xFF; | |
1312 | list_add_tail(&ioc->scsi_lookup[smid - 1].tracker_list, | |
1313 | &ioc->free_list); | |
1314 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1315 | ||
1316 | /* | |
1317 | * See _wait_for_commands_to_complete() call with regards to this code. | |
1318 | */ | |
1319 | if (ioc->shost_recovery && ioc->pending_io_count) { | |
1320 | if (ioc->pending_io_count == 1) | |
1321 | wake_up(&ioc->reset_wq); | |
1322 | ioc->pending_io_count--; | |
1323 | } | |
1324 | } | |
1325 | ||
1326 | /** | |
1327 | * _base_writeq - 64 bit write to MMIO | |
1328 | * @ioc: per adapter object | |
1329 | * @b: data payload | |
1330 | * @addr: address in MMIO space | |
1331 | * @writeq_lock: spin lock | |
1332 | * | |
1333 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes | |
1334 | * care of 32 bit environment where its not quarenteed to send the entire word | |
1335 | * in one transfer. | |
1336 | */ | |
1337 | #ifndef writeq | |
1338 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1339 | spinlock_t *writeq_lock) | |
1340 | { | |
1341 | unsigned long flags; | |
1342 | __u64 data_out = cpu_to_le64(b); | |
1343 | ||
1344 | spin_lock_irqsave(writeq_lock, flags); | |
1345 | writel((u32)(data_out), addr); | |
1346 | writel((u32)(data_out >> 32), (addr + 4)); | |
1347 | spin_unlock_irqrestore(writeq_lock, flags); | |
1348 | } | |
1349 | #else | |
1350 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1351 | spinlock_t *writeq_lock) | |
1352 | { | |
1353 | writeq(cpu_to_le64(b), addr); | |
1354 | } | |
1355 | #endif | |
1356 | ||
1357 | /** | |
1358 | * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware | |
1359 | * @ioc: per adapter object | |
1360 | * @smid: system request message index | |
1361 | * @vf_id: virtual function id | |
1362 | * @handle: device handle | |
1363 | * | |
1364 | * Return nothing. | |
1365 | */ | |
1366 | void | |
1367 | mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id, | |
1368 | u16 handle) | |
1369 | { | |
1370 | Mpi2RequestDescriptorUnion_t descriptor; | |
1371 | u64 *request = (u64 *)&descriptor; | |
1372 | ||
1373 | ||
1374 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; | |
1375 | descriptor.SCSIIO.VF_ID = vf_id; | |
1376 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); | |
1377 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
1378 | descriptor.SCSIIO.LMID = 0; | |
1379 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1380 | &ioc->scsi_lookup_lock); | |
1381 | } | |
1382 | ||
1383 | ||
1384 | /** | |
1385 | * mpt2sas_base_put_smid_hi_priority - send Task Managment request to firmware | |
1386 | * @ioc: per adapter object | |
1387 | * @smid: system request message index | |
1388 | * @vf_id: virtual function id | |
1389 | * | |
1390 | * Return nothing. | |
1391 | */ | |
1392 | void | |
1393 | mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
1394 | u8 vf_id) | |
1395 | { | |
1396 | Mpi2RequestDescriptorUnion_t descriptor; | |
1397 | u64 *request = (u64 *)&descriptor; | |
1398 | ||
1399 | descriptor.HighPriority.RequestFlags = | |
1400 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; | |
1401 | descriptor.HighPriority.VF_ID = vf_id; | |
1402 | descriptor.HighPriority.SMID = cpu_to_le16(smid); | |
1403 | descriptor.HighPriority.LMID = 0; | |
1404 | descriptor.HighPriority.Reserved1 = 0; | |
1405 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1406 | &ioc->scsi_lookup_lock); | |
1407 | } | |
1408 | ||
1409 | /** | |
1410 | * mpt2sas_base_put_smid_default - Default, primarily used for config pages | |
1411 | * @ioc: per adapter object | |
1412 | * @smid: system request message index | |
1413 | * @vf_id: virtual function id | |
1414 | * | |
1415 | * Return nothing. | |
1416 | */ | |
1417 | void | |
1418 | mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id) | |
1419 | { | |
1420 | Mpi2RequestDescriptorUnion_t descriptor; | |
1421 | u64 *request = (u64 *)&descriptor; | |
1422 | ||
1423 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; | |
1424 | descriptor.Default.VF_ID = vf_id; | |
1425 | descriptor.Default.SMID = cpu_to_le16(smid); | |
1426 | descriptor.Default.LMID = 0; | |
1427 | descriptor.Default.DescriptorTypeDependent = 0; | |
1428 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1429 | &ioc->scsi_lookup_lock); | |
1430 | } | |
1431 | ||
1432 | /** | |
1433 | * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware | |
1434 | * @ioc: per adapter object | |
1435 | * @smid: system request message index | |
1436 | * @vf_id: virtual function id | |
1437 | * @io_index: value used to track the IO | |
1438 | * | |
1439 | * Return nothing. | |
1440 | */ | |
1441 | void | |
1442 | mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
1443 | u8 vf_id, u16 io_index) | |
1444 | { | |
1445 | Mpi2RequestDescriptorUnion_t descriptor; | |
1446 | u64 *request = (u64 *)&descriptor; | |
1447 | ||
1448 | descriptor.SCSITarget.RequestFlags = | |
1449 | MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; | |
1450 | descriptor.SCSITarget.VF_ID = vf_id; | |
1451 | descriptor.SCSITarget.SMID = cpu_to_le16(smid); | |
1452 | descriptor.SCSITarget.LMID = 0; | |
1453 | descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); | |
1454 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1455 | &ioc->scsi_lookup_lock); | |
1456 | } | |
1457 | ||
f0f9cc1f EM |
1458 | /** |
1459 | * _base_display_dell_branding - Disply branding string | |
1460 | * @ioc: per adapter object | |
1461 | * | |
1462 | * Return nothing. | |
1463 | */ | |
1464 | static void | |
1465 | _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) | |
1466 | { | |
1467 | char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; | |
1468 | ||
1469 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) | |
1470 | return; | |
1471 | ||
1472 | memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); | |
1473 | switch (ioc->pdev->subsystem_device) { | |
1474 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: | |
1475 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, | |
1476 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1477 | break; | |
1478 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: | |
1479 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, | |
1480 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1481 | break; | |
1482 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: | |
1483 | strncpy(dell_branding, | |
1484 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, | |
1485 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1486 | break; | |
1487 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: | |
1488 | strncpy(dell_branding, | |
1489 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, | |
1490 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1491 | break; | |
1492 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: | |
1493 | strncpy(dell_branding, | |
1494 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, | |
1495 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1496 | break; | |
1497 | case MPT2SAS_DELL_PERC_H200_SSDID: | |
1498 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, | |
1499 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1500 | break; | |
1501 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: | |
1502 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, | |
1503 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1504 | break; | |
1505 | default: | |
1506 | sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); | |
1507 | break; | |
1508 | } | |
1509 | ||
1510 | printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," | |
1511 | " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, | |
1512 | ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, | |
1513 | ioc->pdev->subsystem_device); | |
1514 | } | |
1515 | ||
635374e7 EM |
1516 | /** |
1517 | * _base_display_ioc_capabilities - Disply IOC's capabilities. | |
1518 | * @ioc: per adapter object | |
1519 | * | |
1520 | * Return nothing. | |
1521 | */ | |
1522 | static void | |
1523 | _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) | |
1524 | { | |
1525 | int i = 0; | |
1526 | char desc[16]; | |
1527 | u8 revision; | |
1528 | u32 iounit_pg1_flags; | |
1529 | ||
1530 | pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); | |
1531 | strncpy(desc, ioc->manu_pg0.ChipName, 16); | |
1532 | printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " | |
1533 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", | |
1534 | ioc->name, desc, | |
1535 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
1536 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
1537 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
1538 | ioc->facts.FWVersion.Word & 0x000000FF, | |
1539 | revision, | |
1540 | (ioc->bios_pg3.BiosVersion & 0xFF000000) >> 24, | |
1541 | (ioc->bios_pg3.BiosVersion & 0x00FF0000) >> 16, | |
1542 | (ioc->bios_pg3.BiosVersion & 0x0000FF00) >> 8, | |
1543 | ioc->bios_pg3.BiosVersion & 0x000000FF); | |
1544 | ||
1545 | printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); | |
1546 | ||
1547 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { | |
1548 | printk("Initiator"); | |
1549 | i++; | |
1550 | } | |
1551 | ||
1552 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { | |
1553 | printk("%sTarget", i ? "," : ""); | |
1554 | i++; | |
1555 | } | |
1556 | ||
f0f9cc1f EM |
1557 | _base_display_dell_branding(ioc); |
1558 | ||
635374e7 EM |
1559 | i = 0; |
1560 | printk("), "); | |
1561 | printk("Capabilities=("); | |
1562 | ||
1563 | if (ioc->facts.IOCCapabilities & | |
1564 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { | |
1565 | printk("Raid"); | |
1566 | i++; | |
1567 | } | |
1568 | ||
1569 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { | |
1570 | printk("%sTLR", i ? "," : ""); | |
1571 | i++; | |
1572 | } | |
1573 | ||
1574 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { | |
1575 | printk("%sMulticast", i ? "," : ""); | |
1576 | i++; | |
1577 | } | |
1578 | ||
1579 | if (ioc->facts.IOCCapabilities & | |
1580 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { | |
1581 | printk("%sBIDI Target", i ? "," : ""); | |
1582 | i++; | |
1583 | } | |
1584 | ||
1585 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { | |
1586 | printk("%sEEDP", i ? "," : ""); | |
1587 | i++; | |
1588 | } | |
1589 | ||
1590 | if (ioc->facts.IOCCapabilities & | |
1591 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { | |
1592 | printk("%sSnapshot Buffer", i ? "," : ""); | |
1593 | i++; | |
1594 | } | |
1595 | ||
1596 | if (ioc->facts.IOCCapabilities & | |
1597 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { | |
1598 | printk("%sDiag Trace Buffer", i ? "," : ""); | |
1599 | i++; | |
1600 | } | |
1601 | ||
1602 | if (ioc->facts.IOCCapabilities & | |
1603 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { | |
1604 | printk("%sTask Set Full", i ? "," : ""); | |
1605 | i++; | |
1606 | } | |
1607 | ||
1608 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
1609 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { | |
1610 | printk("%sNCQ", i ? "," : ""); | |
1611 | i++; | |
1612 | } | |
1613 | ||
1614 | printk(")\n"); | |
1615 | } | |
1616 | ||
1617 | /** | |
1618 | * _base_static_config_pages - static start of day config pages | |
1619 | * @ioc: per adapter object | |
1620 | * | |
1621 | * Return nothing. | |
1622 | */ | |
1623 | static void | |
1624 | _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) | |
1625 | { | |
1626 | Mpi2ConfigReply_t mpi_reply; | |
1627 | u32 iounit_pg1_flags; | |
1628 | ||
1629 | mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); | |
1630 | mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); | |
1631 | mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); | |
1632 | mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); | |
1633 | mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); | |
1634 | mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
1635 | _base_display_ioc_capabilities(ioc); | |
1636 | ||
1637 | /* | |
1638 | * Enable task_set_full handling in iounit_pg1 when the | |
1639 | * facts capabilities indicate that its supported. | |
1640 | */ | |
1641 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
1642 | if ((ioc->facts.IOCCapabilities & | |
1643 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) | |
1644 | iounit_pg1_flags &= | |
1645 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
1646 | else | |
1647 | iounit_pg1_flags |= | |
1648 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
1649 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); | |
1650 | mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, ioc->iounit_pg1); | |
1651 | } | |
1652 | ||
1653 | /** | |
1654 | * _base_release_memory_pools - release memory | |
1655 | * @ioc: per adapter object | |
1656 | * | |
1657 | * Free memory allocated from _base_allocate_memory_pools. | |
1658 | * | |
1659 | * Return nothing. | |
1660 | */ | |
1661 | static void | |
1662 | _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) | |
1663 | { | |
1664 | dexitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
1665 | __func__)); | |
1666 | ||
1667 | if (ioc->request) { | |
1668 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, | |
1669 | ioc->request, ioc->request_dma); | |
1670 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" | |
1671 | ": free\n", ioc->name, ioc->request)); | |
1672 | ioc->request = NULL; | |
1673 | } | |
1674 | ||
1675 | if (ioc->sense) { | |
1676 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); | |
1677 | if (ioc->sense_dma_pool) | |
1678 | pci_pool_destroy(ioc->sense_dma_pool); | |
1679 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" | |
1680 | ": free\n", ioc->name, ioc->sense)); | |
1681 | ioc->sense = NULL; | |
1682 | } | |
1683 | ||
1684 | if (ioc->reply) { | |
1685 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); | |
1686 | if (ioc->reply_dma_pool) | |
1687 | pci_pool_destroy(ioc->reply_dma_pool); | |
1688 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" | |
1689 | ": free\n", ioc->name, ioc->reply)); | |
1690 | ioc->reply = NULL; | |
1691 | } | |
1692 | ||
1693 | if (ioc->reply_free) { | |
1694 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, | |
1695 | ioc->reply_free_dma); | |
1696 | if (ioc->reply_free_dma_pool) | |
1697 | pci_pool_destroy(ioc->reply_free_dma_pool); | |
1698 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" | |
1699 | "(0x%p): free\n", ioc->name, ioc->reply_free)); | |
1700 | ioc->reply_free = NULL; | |
1701 | } | |
1702 | ||
1703 | if (ioc->reply_post_free) { | |
1704 | pci_pool_free(ioc->reply_post_free_dma_pool, | |
1705 | ioc->reply_post_free, ioc->reply_post_free_dma); | |
1706 | if (ioc->reply_post_free_dma_pool) | |
1707 | pci_pool_destroy(ioc->reply_post_free_dma_pool); | |
1708 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1709 | "reply_post_free_pool(0x%p): free\n", ioc->name, | |
1710 | ioc->reply_post_free)); | |
1711 | ioc->reply_post_free = NULL; | |
1712 | } | |
1713 | ||
1714 | if (ioc->config_page) { | |
1715 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1716 | "config_page(0x%p): free\n", ioc->name, | |
1717 | ioc->config_page)); | |
1718 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, | |
1719 | ioc->config_page, ioc->config_page_dma); | |
1720 | } | |
1721 | ||
1722 | kfree(ioc->scsi_lookup); | |
1723 | } | |
1724 | ||
1725 | ||
1726 | /** | |
1727 | * _base_allocate_memory_pools - allocate start of day memory pools | |
1728 | * @ioc: per adapter object | |
1729 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
1730 | * | |
1731 | * Returns 0 success, anything else error | |
1732 | */ | |
1733 | static int | |
1734 | _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
1735 | { | |
1736 | Mpi2IOCFactsReply_t *facts; | |
1737 | u32 queue_size, queue_diff; | |
1738 | u16 max_sge_elements; | |
1739 | u16 num_of_reply_frames; | |
1740 | u16 chains_needed_per_io; | |
1741 | u32 sz, total_sz; | |
1742 | u16 i; | |
1743 | u32 retry_sz; | |
1744 | u16 max_request_credit; | |
1745 | ||
1746 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
1747 | __func__)); | |
1748 | ||
1749 | retry_sz = 0; | |
1750 | facts = &ioc->facts; | |
1751 | ||
1752 | /* command line tunables for max sgl entries */ | |
1753 | if (max_sgl_entries != -1) { | |
1754 | ioc->shost->sg_tablesize = (max_sgl_entries < | |
1755 | MPT2SAS_SG_DEPTH) ? max_sgl_entries : | |
1756 | MPT2SAS_SG_DEPTH; | |
1757 | } else { | |
1758 | ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; | |
1759 | } | |
1760 | ||
1761 | /* command line tunables for max controller queue depth */ | |
1762 | if (max_queue_depth != -1) { | |
1763 | max_request_credit = (max_queue_depth < facts->RequestCredit) | |
1764 | ? max_queue_depth : facts->RequestCredit; | |
1765 | } else { | |
1766 | max_request_credit = (facts->RequestCredit > | |
1767 | MPT2SAS_MAX_REQUEST_QUEUE) ? MPT2SAS_MAX_REQUEST_QUEUE : | |
1768 | facts->RequestCredit; | |
1769 | } | |
1770 | ioc->request_depth = max_request_credit; | |
1771 | ||
1772 | /* request frame size */ | |
1773 | ioc->request_sz = facts->IOCRequestFrameSize * 4; | |
1774 | ||
1775 | /* reply frame size */ | |
1776 | ioc->reply_sz = facts->ReplyFrameSize * 4; | |
1777 | ||
1778 | retry_allocation: | |
1779 | total_sz = 0; | |
1780 | /* calculate number of sg elements left over in the 1st frame */ | |
1781 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - | |
1782 | sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); | |
1783 | ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; | |
1784 | ||
1785 | /* now do the same for a chain buffer */ | |
1786 | max_sge_elements = ioc->request_sz - ioc->sge_size; | |
1787 | ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; | |
1788 | ||
1789 | ioc->chain_offset_value_for_main_message = | |
1790 | ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + | |
1791 | (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; | |
1792 | ||
1793 | /* | |
1794 | * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE | |
1795 | */ | |
1796 | chains_needed_per_io = ((ioc->shost->sg_tablesize - | |
1797 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) | |
1798 | + 1; | |
1799 | if (chains_needed_per_io > facts->MaxChainDepth) { | |
1800 | chains_needed_per_io = facts->MaxChainDepth; | |
1801 | ioc->shost->sg_tablesize = min_t(u16, | |
1802 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message | |
1803 | * chains_needed_per_io), ioc->shost->sg_tablesize); | |
1804 | } | |
1805 | ioc->chains_needed_per_io = chains_needed_per_io; | |
1806 | ||
1807 | /* reply free queue sizing - taking into account for events */ | |
1808 | num_of_reply_frames = ioc->request_depth + 32; | |
1809 | ||
1810 | /* number of replies frames can't be a multiple of 16 */ | |
1811 | /* decrease number of reply frames by 1 */ | |
1812 | if (!(num_of_reply_frames % 16)) | |
1813 | num_of_reply_frames--; | |
1814 | ||
1815 | /* calculate number of reply free queue entries | |
1816 | * (must be multiple of 16) | |
1817 | */ | |
1818 | ||
1819 | /* (we know reply_free_queue_depth is not a multiple of 16) */ | |
1820 | queue_size = num_of_reply_frames; | |
1821 | queue_size += 16 - (queue_size % 16); | |
1822 | ioc->reply_free_queue_depth = queue_size; | |
1823 | ||
1824 | /* reply descriptor post queue sizing */ | |
1825 | /* this size should be the number of request frames + number of reply | |
1826 | * frames | |
1827 | */ | |
1828 | ||
1829 | queue_size = ioc->request_depth + num_of_reply_frames + 1; | |
1830 | /* round up to 16 byte boundary */ | |
1831 | if (queue_size % 16) | |
1832 | queue_size += 16 - (queue_size % 16); | |
1833 | ||
1834 | /* check against IOC maximum reply post queue depth */ | |
1835 | if (queue_size > facts->MaxReplyDescriptorPostQueueDepth) { | |
1836 | queue_diff = queue_size - | |
1837 | facts->MaxReplyDescriptorPostQueueDepth; | |
1838 | ||
1839 | /* round queue_diff up to multiple of 16 */ | |
1840 | if (queue_diff % 16) | |
1841 | queue_diff += 16 - (queue_diff % 16); | |
1842 | ||
1843 | /* adjust request_depth, reply_free_queue_depth, | |
1844 | * and queue_size | |
1845 | */ | |
1846 | ioc->request_depth -= queue_diff; | |
1847 | ioc->reply_free_queue_depth -= queue_diff; | |
1848 | queue_size -= queue_diff; | |
1849 | } | |
1850 | ioc->reply_post_queue_depth = queue_size; | |
1851 | ||
1852 | /* max scsi host queue depth */ | |
1853 | ioc->shost->can_queue = ioc->request_depth - INTERNAL_CMDS_COUNT; | |
1854 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host queue: depth" | |
1855 | "(%d)\n", ioc->name, ioc->shost->can_queue)); | |
1856 | ||
1857 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " | |
1858 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " | |
1859 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, | |
1860 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, | |
1861 | ioc->chains_needed_per_io)); | |
1862 | ||
1863 | /* contiguous pool for request and chains, 16 byte align, one extra " | |
1864 | * "frame for smid=0 | |
1865 | */ | |
1866 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->request_depth; | |
1867 | sz = ((ioc->request_depth + 1 + ioc->chain_depth) * ioc->request_sz); | |
1868 | ||
1869 | ioc->request_dma_sz = sz; | |
1870 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); | |
1871 | if (!ioc->request) { | |
1872 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
1873 | "failed: req_depth(%d), chains_per_io(%d), frame_sz(%d), " | |
1874 | "total(%d kB)\n", ioc->name, ioc->request_depth, | |
1875 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); | |
1876 | if (ioc->request_depth < MPT2SAS_SAS_QUEUE_DEPTH) | |
1877 | goto out; | |
1878 | retry_sz += 64; | |
1879 | ioc->request_depth = max_request_credit - retry_sz; | |
1880 | goto retry_allocation; | |
1881 | } | |
1882 | ||
1883 | if (retry_sz) | |
1884 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
1885 | "succeed: req_depth(%d), chains_per_io(%d), frame_sz(%d), " | |
1886 | "total(%d kb)\n", ioc->name, ioc->request_depth, | |
1887 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); | |
1888 | ||
1889 | ioc->chain = ioc->request + ((ioc->request_depth + 1) * | |
1890 | ioc->request_sz); | |
1891 | ioc->chain_dma = ioc->request_dma + ((ioc->request_depth + 1) * | |
1892 | ioc->request_sz); | |
1893 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " | |
1894 | "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
1895 | ioc->request, ioc->request_depth, ioc->request_sz, | |
1896 | ((ioc->request_depth + 1) * ioc->request_sz)/1024)); | |
1897 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool(0x%p): depth" | |
1898 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->chain, | |
1899 | ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * | |
1900 | ioc->request_sz))/1024)); | |
1901 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", | |
1902 | ioc->name, (unsigned long long) ioc->request_dma)); | |
1903 | total_sz += sz; | |
1904 | ||
1905 | ioc->scsi_lookup = kcalloc(ioc->request_depth, | |
1906 | sizeof(struct request_tracker), GFP_KERNEL); | |
1907 | if (!ioc->scsi_lookup) { | |
1908 | printk(MPT2SAS_ERR_FMT "scsi_lookup: kcalloc failed\n", | |
1909 | ioc->name); | |
1910 | goto out; | |
1911 | } | |
1912 | ||
1913 | /* initialize some bits */ | |
1914 | for (i = 0; i < ioc->request_depth; i++) | |
1915 | ioc->scsi_lookup[i].smid = i + 1; | |
1916 | ||
1917 | /* sense buffers, 4 byte align */ | |
1918 | sz = ioc->request_depth * SCSI_SENSE_BUFFERSIZE; | |
1919 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, | |
1920 | 0); | |
1921 | if (!ioc->sense_dma_pool) { | |
1922 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", | |
1923 | ioc->name); | |
1924 | goto out; | |
1925 | } | |
1926 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, | |
1927 | &ioc->sense_dma); | |
1928 | if (!ioc->sense) { | |
1929 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", | |
1930 | ioc->name); | |
1931 | goto out; | |
1932 | } | |
1933 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1934 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" | |
1935 | "(%d kB)\n", ioc->name, ioc->sense, ioc->request_depth, | |
1936 | SCSI_SENSE_BUFFERSIZE, sz/1024)); | |
1937 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", | |
1938 | ioc->name, (unsigned long long)ioc->sense_dma)); | |
1939 | total_sz += sz; | |
1940 | ||
1941 | /* reply pool, 4 byte align */ | |
1942 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; | |
1943 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, | |
1944 | 0); | |
1945 | if (!ioc->reply_dma_pool) { | |
1946 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", | |
1947 | ioc->name); | |
1948 | goto out; | |
1949 | } | |
1950 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, | |
1951 | &ioc->reply_dma); | |
1952 | if (!ioc->reply) { | |
1953 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", | |
1954 | ioc->name); | |
1955 | goto out; | |
1956 | } | |
1957 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" | |
1958 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, | |
1959 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); | |
1960 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", | |
1961 | ioc->name, (unsigned long long)ioc->reply_dma)); | |
1962 | total_sz += sz; | |
1963 | ||
1964 | /* reply free queue, 16 byte align */ | |
1965 | sz = ioc->reply_free_queue_depth * 4; | |
1966 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", | |
1967 | ioc->pdev, sz, 16, 0); | |
1968 | if (!ioc->reply_free_dma_pool) { | |
1969 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " | |
1970 | "failed\n", ioc->name); | |
1971 | goto out; | |
1972 | } | |
1973 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, | |
1974 | &ioc->reply_free_dma); | |
1975 | if (!ioc->reply_free) { | |
1976 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " | |
1977 | "failed\n", ioc->name); | |
1978 | goto out; | |
1979 | } | |
1980 | memset(ioc->reply_free, 0, sz); | |
1981 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " | |
1982 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, | |
1983 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); | |
1984 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" | |
1985 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); | |
1986 | total_sz += sz; | |
1987 | ||
1988 | /* reply post queue, 16 byte align */ | |
1989 | sz = ioc->reply_post_queue_depth * sizeof(Mpi2DefaultReplyDescriptor_t); | |
1990 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", | |
1991 | ioc->pdev, sz, 16, 0); | |
1992 | if (!ioc->reply_post_free_dma_pool) { | |
1993 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create " | |
1994 | "failed\n", ioc->name); | |
1995 | goto out; | |
1996 | } | |
1997 | ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool , | |
1998 | GFP_KERNEL, &ioc->reply_post_free_dma); | |
1999 | if (!ioc->reply_post_free) { | |
2000 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc " | |
2001 | "failed\n", ioc->name); | |
2002 | goto out; | |
2003 | } | |
2004 | memset(ioc->reply_post_free, 0, sz); | |
2005 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool" | |
2006 | "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n", | |
2007 | ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8, | |
2008 | sz/1024)); | |
2009 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = " | |
2010 | "(0x%llx)\n", ioc->name, (unsigned long long) | |
2011 | ioc->reply_post_free_dma)); | |
2012 | total_sz += sz; | |
2013 | ||
2014 | ioc->config_page_sz = 512; | |
2015 | ioc->config_page = pci_alloc_consistent(ioc->pdev, | |
2016 | ioc->config_page_sz, &ioc->config_page_dma); | |
2017 | if (!ioc->config_page) { | |
2018 | printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " | |
2019 | "failed\n", ioc->name); | |
2020 | goto out; | |
2021 | } | |
2022 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" | |
2023 | "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); | |
2024 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" | |
2025 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); | |
2026 | total_sz += ioc->config_page_sz; | |
2027 | ||
2028 | printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", | |
2029 | ioc->name, total_sz/1024); | |
2030 | printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " | |
2031 | "Max Controller Queue Depth(%d)\n", | |
2032 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); | |
2033 | printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", | |
2034 | ioc->name, ioc->shost->sg_tablesize); | |
2035 | return 0; | |
2036 | ||
2037 | out: | |
2038 | _base_release_memory_pools(ioc); | |
2039 | return -ENOMEM; | |
2040 | } | |
2041 | ||
2042 | ||
2043 | /** | |
2044 | * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. | |
2045 | * @ioc: Pointer to MPT_ADAPTER structure | |
2046 | * @cooked: Request raw or cooked IOC state | |
2047 | * | |
2048 | * Returns all IOC Doorbell register bits if cooked==0, else just the | |
2049 | * Doorbell bits in MPI_IOC_STATE_MASK. | |
2050 | */ | |
2051 | u32 | |
2052 | mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) | |
2053 | { | |
2054 | u32 s, sc; | |
2055 | ||
2056 | s = readl(&ioc->chip->Doorbell); | |
2057 | sc = s & MPI2_IOC_STATE_MASK; | |
2058 | return cooked ? sc : s; | |
2059 | } | |
2060 | ||
2061 | /** | |
2062 | * _base_wait_on_iocstate - waiting on a particular ioc state | |
2063 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } | |
2064 | * @timeout: timeout in second | |
2065 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2066 | * | |
2067 | * Returns 0 for success, non-zero for failure. | |
2068 | */ | |
2069 | static int | |
2070 | _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, | |
2071 | int sleep_flag) | |
2072 | { | |
2073 | u32 count, cntdn; | |
2074 | u32 current_state; | |
2075 | ||
2076 | count = 0; | |
2077 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2078 | do { | |
2079 | current_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2080 | if (current_state == ioc_state) | |
2081 | return 0; | |
2082 | if (count && current_state == MPI2_IOC_STATE_FAULT) | |
2083 | break; | |
2084 | if (sleep_flag == CAN_SLEEP) | |
2085 | msleep(1); | |
2086 | else | |
2087 | udelay(500); | |
2088 | count++; | |
2089 | } while (--cntdn); | |
2090 | ||
2091 | return current_state; | |
2092 | } | |
2093 | ||
2094 | /** | |
2095 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by | |
2096 | * a write to the doorbell) | |
2097 | * @ioc: per adapter object | |
2098 | * @timeout: timeout in second | |
2099 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2100 | * | |
2101 | * Returns 0 for success, non-zero for failure. | |
2102 | * | |
2103 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. | |
2104 | */ | |
2105 | static int | |
2106 | _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2107 | int sleep_flag) | |
2108 | { | |
2109 | u32 cntdn, count; | |
2110 | u32 int_status; | |
2111 | ||
2112 | count = 0; | |
2113 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2114 | do { | |
2115 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2116 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
2117 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
2118 | "successfull count(%d), timeout(%d)\n", ioc->name, | |
2119 | __func__, count, timeout)); | |
2120 | return 0; | |
2121 | } | |
2122 | if (sleep_flag == CAN_SLEEP) | |
2123 | msleep(1); | |
2124 | else | |
2125 | udelay(500); | |
2126 | count++; | |
2127 | } while (--cntdn); | |
2128 | ||
2129 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2130 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2131 | return -EFAULT; | |
2132 | } | |
2133 | ||
2134 | /** | |
2135 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. | |
2136 | * @ioc: per adapter object | |
2137 | * @timeout: timeout in second | |
2138 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2139 | * | |
2140 | * Returns 0 for success, non-zero for failure. | |
2141 | * | |
2142 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to | |
2143 | * doorbell. | |
2144 | */ | |
2145 | static int | |
2146 | _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2147 | int sleep_flag) | |
2148 | { | |
2149 | u32 cntdn, count; | |
2150 | u32 int_status; | |
2151 | u32 doorbell; | |
2152 | ||
2153 | count = 0; | |
2154 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2155 | do { | |
2156 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2157 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { | |
2158 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
2159 | "successfull count(%d), timeout(%d)\n", ioc->name, | |
2160 | __func__, count, timeout)); | |
2161 | return 0; | |
2162 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
2163 | doorbell = readl(&ioc->chip->Doorbell); | |
2164 | if ((doorbell & MPI2_IOC_STATE_MASK) == | |
2165 | MPI2_IOC_STATE_FAULT) { | |
2166 | mpt2sas_base_fault_info(ioc , doorbell); | |
2167 | return -EFAULT; | |
2168 | } | |
2169 | } else if (int_status == 0xFFFFFFFF) | |
2170 | goto out; | |
2171 | ||
2172 | if (sleep_flag == CAN_SLEEP) | |
2173 | msleep(1); | |
2174 | else | |
2175 | udelay(500); | |
2176 | count++; | |
2177 | } while (--cntdn); | |
2178 | ||
2179 | out: | |
2180 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2181 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2182 | return -EFAULT; | |
2183 | } | |
2184 | ||
2185 | /** | |
2186 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use | |
2187 | * @ioc: per adapter object | |
2188 | * @timeout: timeout in second | |
2189 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2190 | * | |
2191 | * Returns 0 for success, non-zero for failure. | |
2192 | * | |
2193 | */ | |
2194 | static int | |
2195 | _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2196 | int sleep_flag) | |
2197 | { | |
2198 | u32 cntdn, count; | |
2199 | u32 doorbell_reg; | |
2200 | ||
2201 | count = 0; | |
2202 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2203 | do { | |
2204 | doorbell_reg = readl(&ioc->chip->Doorbell); | |
2205 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { | |
2206 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
2207 | "successfull count(%d), timeout(%d)\n", ioc->name, | |
2208 | __func__, count, timeout)); | |
2209 | return 0; | |
2210 | } | |
2211 | if (sleep_flag == CAN_SLEEP) | |
2212 | msleep(1); | |
2213 | else | |
2214 | udelay(500); | |
2215 | count++; | |
2216 | } while (--cntdn); | |
2217 | ||
2218 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2219 | "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); | |
2220 | return -EFAULT; | |
2221 | } | |
2222 | ||
2223 | /** | |
2224 | * _base_send_ioc_reset - send doorbell reset | |
2225 | * @ioc: per adapter object | |
2226 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
2227 | * @timeout: timeout in second | |
2228 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2229 | * | |
2230 | * Returns 0 for success, non-zero for failure. | |
2231 | */ | |
2232 | static int | |
2233 | _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, | |
2234 | int sleep_flag) | |
2235 | { | |
2236 | u32 ioc_state; | |
2237 | int r = 0; | |
2238 | ||
2239 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { | |
2240 | printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", | |
2241 | ioc->name, __func__); | |
2242 | return -EFAULT; | |
2243 | } | |
2244 | ||
2245 | if (!(ioc->facts.IOCCapabilities & | |
2246 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) | |
2247 | return -EFAULT; | |
2248 | ||
2249 | printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); | |
2250 | ||
2251 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, | |
2252 | &ioc->chip->Doorbell); | |
2253 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { | |
2254 | r = -EFAULT; | |
2255 | goto out; | |
2256 | } | |
2257 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
2258 | timeout, sleep_flag); | |
2259 | if (ioc_state) { | |
2260 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
2261 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
2262 | r = -EFAULT; | |
2263 | goto out; | |
2264 | } | |
2265 | out: | |
2266 | printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", | |
2267 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
2268 | return r; | |
2269 | } | |
2270 | ||
2271 | /** | |
2272 | * _base_handshake_req_reply_wait - send request thru doorbell interface | |
2273 | * @ioc: per adapter object | |
2274 | * @request_bytes: request length | |
2275 | * @request: pointer having request payload | |
2276 | * @reply_bytes: reply length | |
2277 | * @reply: pointer to reply payload | |
2278 | * @timeout: timeout in second | |
2279 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2280 | * | |
2281 | * Returns 0 for success, non-zero for failure. | |
2282 | */ | |
2283 | static int | |
2284 | _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, | |
2285 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) | |
2286 | { | |
2287 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; | |
2288 | int i; | |
2289 | u8 failed; | |
2290 | u16 dummy; | |
2291 | u32 *mfp; | |
2292 | ||
2293 | /* make sure doorbell is not in use */ | |
2294 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { | |
2295 | printk(MPT2SAS_ERR_FMT "doorbell is in use " | |
2296 | " (line=%d)\n", ioc->name, __LINE__); | |
2297 | return -EFAULT; | |
2298 | } | |
2299 | ||
2300 | /* clear pending doorbell interrupts from previous state changes */ | |
2301 | if (readl(&ioc->chip->HostInterruptStatus) & | |
2302 | MPI2_HIS_IOC2SYS_DB_STATUS) | |
2303 | writel(0, &ioc->chip->HostInterruptStatus); | |
2304 | ||
2305 | /* send message to ioc */ | |
2306 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | | |
2307 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), | |
2308 | &ioc->chip->Doorbell); | |
2309 | ||
2310 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
2311 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2312 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
2313 | return -EFAULT; | |
2314 | } | |
2315 | writel(0, &ioc->chip->HostInterruptStatus); | |
2316 | ||
2317 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { | |
2318 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2319 | "ack failed (line=%d)\n", ioc->name, __LINE__); | |
2320 | return -EFAULT; | |
2321 | } | |
2322 | ||
2323 | /* send message 32-bits at a time */ | |
2324 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { | |
2325 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); | |
2326 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) | |
2327 | failed = 1; | |
2328 | } | |
2329 | ||
2330 | if (failed) { | |
2331 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2332 | "sending request failed (line=%d)\n", ioc->name, __LINE__); | |
2333 | return -EFAULT; | |
2334 | } | |
2335 | ||
2336 | /* now wait for the reply */ | |
2337 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { | |
2338 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2339 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
2340 | return -EFAULT; | |
2341 | } | |
2342 | ||
2343 | /* read the first two 16-bits, it gives the total length of the reply */ | |
2344 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
2345 | & MPI2_DOORBELL_DATA_MASK); | |
2346 | writel(0, &ioc->chip->HostInterruptStatus); | |
2347 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
2348 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2349 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
2350 | return -EFAULT; | |
2351 | } | |
2352 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
2353 | & MPI2_DOORBELL_DATA_MASK); | |
2354 | writel(0, &ioc->chip->HostInterruptStatus); | |
2355 | ||
2356 | for (i = 2; i < default_reply->MsgLength * 2; i++) { | |
2357 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
2358 | printk(MPT2SAS_ERR_FMT "doorbell " | |
2359 | "handshake int failed (line=%d)\n", ioc->name, | |
2360 | __LINE__); | |
2361 | return -EFAULT; | |
2362 | } | |
2363 | if (i >= reply_bytes/2) /* overflow case */ | |
2364 | dummy = readl(&ioc->chip->Doorbell); | |
2365 | else | |
2366 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
2367 | & MPI2_DOORBELL_DATA_MASK); | |
2368 | writel(0, &ioc->chip->HostInterruptStatus); | |
2369 | } | |
2370 | ||
2371 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); | |
2372 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { | |
2373 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " | |
2374 | " (line=%d)\n", ioc->name, __LINE__)); | |
2375 | } | |
2376 | writel(0, &ioc->chip->HostInterruptStatus); | |
2377 | ||
2378 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
2379 | mfp = (u32 *)reply; | |
2380 | printk(KERN_DEBUG "\toffset:data\n"); | |
2381 | for (i = 0; i < reply_bytes/4; i++) | |
2382 | printk(KERN_DEBUG "\t[0x%02x]:%08x\n", i*4, | |
2383 | le32_to_cpu(mfp[i])); | |
2384 | } | |
2385 | return 0; | |
2386 | } | |
2387 | ||
2388 | /** | |
2389 | * mpt2sas_base_sas_iounit_control - send sas iounit control to FW | |
2390 | * @ioc: per adapter object | |
2391 | * @mpi_reply: the reply payload from FW | |
2392 | * @mpi_request: the request payload sent to FW | |
2393 | * | |
2394 | * The SAS IO Unit Control Request message allows the host to perform low-level | |
2395 | * operations, such as resets on the PHYs of the IO Unit, also allows the host | |
2396 | * to obtain the IOC assigned device handles for a device if it has other | |
2397 | * identifying information about the device, in addition allows the host to | |
2398 | * remove IOC resources associated with the device. | |
2399 | * | |
2400 | * Returns 0 for success, non-zero for failure. | |
2401 | */ | |
2402 | int | |
2403 | mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, | |
2404 | Mpi2SasIoUnitControlReply_t *mpi_reply, | |
2405 | Mpi2SasIoUnitControlRequest_t *mpi_request) | |
2406 | { | |
2407 | u16 smid; | |
2408 | u32 ioc_state; | |
2409 | unsigned long timeleft; | |
2410 | u8 issue_reset; | |
2411 | int rc; | |
2412 | void *request; | |
2413 | u16 wait_state_count; | |
2414 | ||
2415 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
2416 | __func__)); | |
2417 | ||
2418 | mutex_lock(&ioc->base_cmds.mutex); | |
2419 | ||
2420 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
2421 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
2422 | ioc->name, __func__); | |
2423 | rc = -EAGAIN; | |
2424 | goto out; | |
2425 | } | |
2426 | ||
2427 | wait_state_count = 0; | |
2428 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2429 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
2430 | if (wait_state_count++ == 10) { | |
2431 | printk(MPT2SAS_ERR_FMT | |
2432 | "%s: failed due to ioc not operational\n", | |
2433 | ioc->name, __func__); | |
2434 | rc = -EFAULT; | |
2435 | goto out; | |
2436 | } | |
2437 | ssleep(1); | |
2438 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2439 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
2440 | "operational state(count=%d)\n", ioc->name, | |
2441 | __func__, wait_state_count); | |
2442 | } | |
2443 | ||
2444 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
2445 | if (!smid) { | |
2446 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2447 | ioc->name, __func__); | |
2448 | rc = -EAGAIN; | |
2449 | goto out; | |
2450 | } | |
2451 | ||
2452 | rc = 0; | |
2453 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
2454 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2455 | ioc->base_cmds.smid = smid; | |
2456 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
2457 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
2458 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) | |
2459 | ioc->ioc_link_reset_in_progress = 1; | |
2460 | mpt2sas_base_put_smid_default(ioc, smid, mpi_request->VF_ID); | |
2461 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, | |
2462 | msecs_to_jiffies(10000)); | |
2463 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
2464 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && | |
2465 | ioc->ioc_link_reset_in_progress) | |
2466 | ioc->ioc_link_reset_in_progress = 0; | |
2467 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
2468 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2469 | ioc->name, __func__); | |
2470 | _debug_dump_mf(mpi_request, | |
2471 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); | |
2472 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
2473 | issue_reset = 1; | |
2474 | goto issue_host_reset; | |
2475 | } | |
2476 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
2477 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
2478 | sizeof(Mpi2SasIoUnitControlReply_t)); | |
2479 | else | |
2480 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
2481 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2482 | goto out; | |
2483 | ||
2484 | issue_host_reset: | |
2485 | if (issue_reset) | |
2486 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2487 | FORCE_BIG_HAMMER); | |
2488 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2489 | rc = -EFAULT; | |
2490 | out: | |
2491 | mutex_unlock(&ioc->base_cmds.mutex); | |
2492 | return rc; | |
2493 | } | |
2494 | ||
2495 | ||
2496 | /** | |
2497 | * mpt2sas_base_scsi_enclosure_processor - sending request to sep device | |
2498 | * @ioc: per adapter object | |
2499 | * @mpi_reply: the reply payload from FW | |
2500 | * @mpi_request: the request payload sent to FW | |
2501 | * | |
2502 | * The SCSI Enclosure Processor request message causes the IOC to | |
2503 | * communicate with SES devices to control LED status signals. | |
2504 | * | |
2505 | * Returns 0 for success, non-zero for failure. | |
2506 | */ | |
2507 | int | |
2508 | mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, | |
2509 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) | |
2510 | { | |
2511 | u16 smid; | |
2512 | u32 ioc_state; | |
2513 | unsigned long timeleft; | |
2514 | u8 issue_reset; | |
2515 | int rc; | |
2516 | void *request; | |
2517 | u16 wait_state_count; | |
2518 | ||
2519 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
2520 | __func__)); | |
2521 | ||
2522 | mutex_lock(&ioc->base_cmds.mutex); | |
2523 | ||
2524 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
2525 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
2526 | ioc->name, __func__); | |
2527 | rc = -EAGAIN; | |
2528 | goto out; | |
2529 | } | |
2530 | ||
2531 | wait_state_count = 0; | |
2532 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2533 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
2534 | if (wait_state_count++ == 10) { | |
2535 | printk(MPT2SAS_ERR_FMT | |
2536 | "%s: failed due to ioc not operational\n", | |
2537 | ioc->name, __func__); | |
2538 | rc = -EFAULT; | |
2539 | goto out; | |
2540 | } | |
2541 | ssleep(1); | |
2542 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2543 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
2544 | "operational state(count=%d)\n", ioc->name, | |
2545 | __func__, wait_state_count); | |
2546 | } | |
2547 | ||
2548 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
2549 | if (!smid) { | |
2550 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2551 | ioc->name, __func__); | |
2552 | rc = -EAGAIN; | |
2553 | goto out; | |
2554 | } | |
2555 | ||
2556 | rc = 0; | |
2557 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
2558 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2559 | ioc->base_cmds.smid = smid; | |
2560 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); | |
2561 | mpt2sas_base_put_smid_default(ioc, smid, mpi_request->VF_ID); | |
2562 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, | |
2563 | msecs_to_jiffies(10000)); | |
2564 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
2565 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2566 | ioc->name, __func__); | |
2567 | _debug_dump_mf(mpi_request, | |
2568 | sizeof(Mpi2SepRequest_t)/4); | |
2569 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
2570 | issue_reset = 1; | |
2571 | goto issue_host_reset; | |
2572 | } | |
2573 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
2574 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
2575 | sizeof(Mpi2SepReply_t)); | |
2576 | else | |
2577 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); | |
2578 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2579 | goto out; | |
2580 | ||
2581 | issue_host_reset: | |
2582 | if (issue_reset) | |
2583 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2584 | FORCE_BIG_HAMMER); | |
2585 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2586 | rc = -EFAULT; | |
2587 | out: | |
2588 | mutex_unlock(&ioc->base_cmds.mutex); | |
2589 | return rc; | |
2590 | } | |
2591 | ||
2592 | /** | |
2593 | * _base_get_port_facts - obtain port facts reply and save in ioc | |
2594 | * @ioc: per adapter object | |
2595 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2596 | * | |
2597 | * Returns 0 for success, non-zero for failure. | |
2598 | */ | |
2599 | static int | |
2600 | _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) | |
2601 | { | |
2602 | Mpi2PortFactsRequest_t mpi_request; | |
2603 | Mpi2PortFactsReply_t mpi_reply, *pfacts; | |
2604 | int mpi_reply_sz, mpi_request_sz, r; | |
2605 | ||
2606 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
2607 | __func__)); | |
2608 | ||
2609 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); | |
2610 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); | |
2611 | memset(&mpi_request, 0, mpi_request_sz); | |
2612 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; | |
2613 | mpi_request.PortNumber = port; | |
2614 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
2615 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
2616 | ||
2617 | if (r != 0) { | |
2618 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
2619 | ioc->name, __func__, r); | |
2620 | return r; | |
2621 | } | |
2622 | ||
2623 | pfacts = &ioc->pfacts[port]; | |
2624 | memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t)); | |
2625 | pfacts->PortNumber = mpi_reply.PortNumber; | |
2626 | pfacts->VP_ID = mpi_reply.VP_ID; | |
2627 | pfacts->VF_ID = mpi_reply.VF_ID; | |
2628 | pfacts->MaxPostedCmdBuffers = | |
2629 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); | |
2630 | ||
2631 | return 0; | |
2632 | } | |
2633 | ||
2634 | /** | |
2635 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc | |
2636 | * @ioc: per adapter object | |
2637 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2638 | * | |
2639 | * Returns 0 for success, non-zero for failure. | |
2640 | */ | |
2641 | static int | |
2642 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
2643 | { | |
2644 | Mpi2IOCFactsRequest_t mpi_request; | |
2645 | Mpi2IOCFactsReply_t mpi_reply, *facts; | |
2646 | int mpi_reply_sz, mpi_request_sz, r; | |
2647 | ||
2648 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
2649 | __func__)); | |
2650 | ||
2651 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); | |
2652 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); | |
2653 | memset(&mpi_request, 0, mpi_request_sz); | |
2654 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; | |
2655 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
2656 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
2657 | ||
2658 | if (r != 0) { | |
2659 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
2660 | ioc->name, __func__, r); | |
2661 | return r; | |
2662 | } | |
2663 | ||
2664 | facts = &ioc->facts; | |
2665 | memset(facts, 0, sizeof(Mpi2IOCFactsReply_t)); | |
2666 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); | |
2667 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); | |
2668 | facts->VP_ID = mpi_reply.VP_ID; | |
2669 | facts->VF_ID = mpi_reply.VF_ID; | |
2670 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); | |
2671 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; | |
2672 | facts->WhoInit = mpi_reply.WhoInit; | |
2673 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; | |
2674 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); | |
2675 | facts->MaxReplyDescriptorPostQueueDepth = | |
2676 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); | |
2677 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); | |
2678 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); | |
2679 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) | |
2680 | ioc->ir_firmware = 1; | |
2681 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); | |
2682 | facts->IOCRequestFrameSize = | |
2683 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); | |
2684 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); | |
2685 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); | |
2686 | ioc->shost->max_id = -1; | |
2687 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); | |
2688 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); | |
2689 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); | |
2690 | facts->HighPriorityCredit = | |
2691 | le16_to_cpu(mpi_reply.HighPriorityCredit); | |
2692 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; | |
2693 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); | |
2694 | ||
2695 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " | |
2696 | "max chains per io(%d)\n", ioc->name, facts->RequestCredit, | |
2697 | facts->MaxChainDepth)); | |
2698 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " | |
2699 | "reply frame size(%d)\n", ioc->name, | |
2700 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); | |
2701 | return 0; | |
2702 | } | |
2703 | ||
2704 | /** | |
2705 | * _base_send_ioc_init - send ioc_init to firmware | |
2706 | * @ioc: per adapter object | |
2707 | * @VF_ID: virtual function id | |
2708 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2709 | * | |
2710 | * Returns 0 for success, non-zero for failure. | |
2711 | */ | |
2712 | static int | |
2713 | _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, int sleep_flag) | |
2714 | { | |
2715 | Mpi2IOCInitRequest_t mpi_request; | |
2716 | Mpi2IOCInitReply_t mpi_reply; | |
2717 | int r; | |
2718 | ||
2719 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
2720 | __func__)); | |
2721 | ||
2722 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); | |
2723 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; | |
2724 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
2725 | mpi_request.VF_ID = VF_ID; | |
2726 | mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); | |
2727 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
2728 | ||
2729 | /* In MPI Revision I (0xA), the SystemReplyFrameSize(offset 0x18) was | |
2730 | * removed and made reserved. For those with older firmware will need | |
2731 | * this fix. It was decided that the Reply and Request frame sizes are | |
2732 | * the same. | |
2733 | */ | |
2734 | if ((ioc->facts.HeaderVersion >> 8) < 0xA) { | |
2735 | mpi_request.Reserved7 = cpu_to_le16(ioc->reply_sz); | |
2736 | /* mpi_request.SystemReplyFrameSize = | |
2737 | * cpu_to_le16(ioc->reply_sz); | |
2738 | */ | |
2739 | } | |
2740 | ||
2741 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); | |
2742 | mpi_request.ReplyDescriptorPostQueueDepth = | |
2743 | cpu_to_le16(ioc->reply_post_queue_depth); | |
2744 | mpi_request.ReplyFreeQueueDepth = | |
2745 | cpu_to_le16(ioc->reply_free_queue_depth); | |
2746 | ||
2747 | #if BITS_PER_LONG > 32 | |
2748 | mpi_request.SenseBufferAddressHigh = | |
2749 | cpu_to_le32(ioc->sense_dma >> 32); | |
2750 | mpi_request.SystemReplyAddressHigh = | |
2751 | cpu_to_le32(ioc->reply_dma >> 32); | |
2752 | mpi_request.SystemRequestFrameBaseAddress = | |
2753 | cpu_to_le64(ioc->request_dma); | |
2754 | mpi_request.ReplyFreeQueueAddress = | |
2755 | cpu_to_le64(ioc->reply_free_dma); | |
2756 | mpi_request.ReplyDescriptorPostQueueAddress = | |
2757 | cpu_to_le64(ioc->reply_post_free_dma); | |
2758 | #else | |
2759 | mpi_request.SystemRequestFrameBaseAddress = | |
2760 | cpu_to_le32(ioc->request_dma); | |
2761 | mpi_request.ReplyFreeQueueAddress = | |
2762 | cpu_to_le32(ioc->reply_free_dma); | |
2763 | mpi_request.ReplyDescriptorPostQueueAddress = | |
2764 | cpu_to_le32(ioc->reply_post_free_dma); | |
2765 | #endif | |
2766 | ||
2767 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
2768 | u32 *mfp; | |
2769 | int i; | |
2770 | ||
2771 | mfp = (u32 *)&mpi_request; | |
2772 | printk(KERN_DEBUG "\toffset:data\n"); | |
2773 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) | |
2774 | printk(KERN_DEBUG "\t[0x%02x]:%08x\n", i*4, | |
2775 | le32_to_cpu(mfp[i])); | |
2776 | } | |
2777 | ||
2778 | r = _base_handshake_req_reply_wait(ioc, | |
2779 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, | |
2780 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, | |
2781 | sleep_flag); | |
2782 | ||
2783 | if (r != 0) { | |
2784 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
2785 | ioc->name, __func__, r); | |
2786 | return r; | |
2787 | } | |
2788 | ||
2789 | if (mpi_reply.IOCStatus != MPI2_IOCSTATUS_SUCCESS || | |
2790 | mpi_reply.IOCLogInfo) { | |
2791 | printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); | |
2792 | r = -EIO; | |
2793 | } | |
2794 | ||
2795 | return 0; | |
2796 | } | |
2797 | ||
2798 | /** | |
2799 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware | |
2800 | * @ioc: per adapter object | |
2801 | * @VF_ID: virtual function id | |
2802 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2803 | * | |
2804 | * Returns 0 for success, non-zero for failure. | |
2805 | */ | |
2806 | static int | |
2807 | _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, int sleep_flag) | |
2808 | { | |
2809 | Mpi2PortEnableRequest_t *mpi_request; | |
2810 | u32 ioc_state; | |
2811 | unsigned long timeleft; | |
2812 | int r = 0; | |
2813 | u16 smid; | |
2814 | ||
2815 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
2816 | ||
2817 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
2818 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
2819 | ioc->name, __func__); | |
2820 | return -EAGAIN; | |
2821 | } | |
2822 | ||
2823 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
2824 | if (!smid) { | |
2825 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2826 | ioc->name, __func__); | |
2827 | return -EAGAIN; | |
2828 | } | |
2829 | ||
2830 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
2831 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2832 | ioc->base_cmds.smid = smid; | |
2833 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
2834 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
2835 | mpi_request->VF_ID = VF_ID; | |
2836 | ||
2837 | mpt2sas_base_put_smid_default(ioc, smid, VF_ID); | |
2838 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, | |
2839 | 300*HZ); | |
2840 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
2841 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2842 | ioc->name, __func__); | |
2843 | _debug_dump_mf(mpi_request, | |
2844 | sizeof(Mpi2PortEnableRequest_t)/4); | |
2845 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
2846 | r = -EFAULT; | |
2847 | else | |
2848 | r = -ETIME; | |
2849 | goto out; | |
2850 | } else | |
2851 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: complete\n", | |
2852 | ioc->name, __func__)); | |
2853 | ||
2854 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_OPERATIONAL, | |
2855 | 60, sleep_flag); | |
2856 | if (ioc_state) { | |
2857 | printk(MPT2SAS_ERR_FMT "%s: failed going to operational state " | |
2858 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
2859 | r = -EFAULT; | |
2860 | } | |
2861 | out: | |
2862 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2863 | printk(MPT2SAS_INFO_FMT "port enable: %s\n", | |
2864 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
2865 | return r; | |
2866 | } | |
2867 | ||
2868 | /** | |
2869 | * _base_unmask_events - turn on notification for this event | |
2870 | * @ioc: per adapter object | |
2871 | * @event: firmware event | |
2872 | * | |
2873 | * The mask is stored in ioc->event_masks. | |
2874 | */ | |
2875 | static void | |
2876 | _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
2877 | { | |
2878 | u32 desired_event; | |
2879 | ||
2880 | if (event >= 128) | |
2881 | return; | |
2882 | ||
2883 | desired_event = (1 << (event % 32)); | |
2884 | ||
2885 | if (event < 32) | |
2886 | ioc->event_masks[0] &= ~desired_event; | |
2887 | else if (event < 64) | |
2888 | ioc->event_masks[1] &= ~desired_event; | |
2889 | else if (event < 96) | |
2890 | ioc->event_masks[2] &= ~desired_event; | |
2891 | else if (event < 128) | |
2892 | ioc->event_masks[3] &= ~desired_event; | |
2893 | } | |
2894 | ||
2895 | /** | |
2896 | * _base_event_notification - send event notification | |
2897 | * @ioc: per adapter object | |
2898 | * @VF_ID: virtual function id | |
2899 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2900 | * | |
2901 | * Returns 0 for success, non-zero for failure. | |
2902 | */ | |
2903 | static int | |
2904 | _base_event_notification(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, int sleep_flag) | |
2905 | { | |
2906 | Mpi2EventNotificationRequest_t *mpi_request; | |
2907 | unsigned long timeleft; | |
2908 | u16 smid; | |
2909 | int r = 0; | |
2910 | int i; | |
2911 | ||
2912 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
2913 | __func__)); | |
2914 | ||
2915 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
2916 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
2917 | ioc->name, __func__); | |
2918 | return -EAGAIN; | |
2919 | } | |
2920 | ||
2921 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
2922 | if (!smid) { | |
2923 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2924 | ioc->name, __func__); | |
2925 | return -EAGAIN; | |
2926 | } | |
2927 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
2928 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2929 | ioc->base_cmds.smid = smid; | |
2930 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); | |
2931 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
2932 | mpi_request->VF_ID = VF_ID; | |
2933 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) | |
2934 | mpi_request->EventMasks[i] = | |
2935 | le32_to_cpu(ioc->event_masks[i]); | |
2936 | mpt2sas_base_put_smid_default(ioc, smid, VF_ID); | |
2937 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); | |
2938 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
2939 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2940 | ioc->name, __func__); | |
2941 | _debug_dump_mf(mpi_request, | |
2942 | sizeof(Mpi2EventNotificationRequest_t)/4); | |
2943 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
2944 | r = -EFAULT; | |
2945 | else | |
2946 | r = -ETIME; | |
2947 | } else | |
2948 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: complete\n", | |
2949 | ioc->name, __func__)); | |
2950 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2951 | return r; | |
2952 | } | |
2953 | ||
2954 | /** | |
2955 | * mpt2sas_base_validate_event_type - validating event types | |
2956 | * @ioc: per adapter object | |
2957 | * @event: firmware event | |
2958 | * | |
2959 | * This will turn on firmware event notification when application | |
2960 | * ask for that event. We don't mask events that are already enabled. | |
2961 | */ | |
2962 | void | |
2963 | mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) | |
2964 | { | |
2965 | int i, j; | |
2966 | u32 event_mask, desired_event; | |
2967 | u8 send_update_to_fw; | |
2968 | ||
2969 | for (i = 0, send_update_to_fw = 0; i < | |
2970 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { | |
2971 | event_mask = ~event_type[i]; | |
2972 | desired_event = 1; | |
2973 | for (j = 0; j < 32; j++) { | |
2974 | if (!(event_mask & desired_event) && | |
2975 | (ioc->event_masks[i] & desired_event)) { | |
2976 | ioc->event_masks[i] &= ~desired_event; | |
2977 | send_update_to_fw = 1; | |
2978 | } | |
2979 | desired_event = (desired_event << 1); | |
2980 | } | |
2981 | } | |
2982 | ||
2983 | if (!send_update_to_fw) | |
2984 | return; | |
2985 | ||
2986 | mutex_lock(&ioc->base_cmds.mutex); | |
2987 | _base_event_notification(ioc, 0, CAN_SLEEP); | |
2988 | mutex_unlock(&ioc->base_cmds.mutex); | |
2989 | } | |
2990 | ||
2991 | /** | |
2992 | * _base_diag_reset - the "big hammer" start of day reset | |
2993 | * @ioc: per adapter object | |
2994 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2995 | * | |
2996 | * Returns 0 for success, non-zero for failure. | |
2997 | */ | |
2998 | static int | |
2999 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3000 | { | |
3001 | u32 host_diagnostic; | |
3002 | u32 ioc_state; | |
3003 | u32 count; | |
3004 | u32 hcb_size; | |
3005 | ||
3006 | printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); | |
3007 | ||
3008 | _base_save_msix_table(ioc); | |
3009 | ||
3010 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "clear interrupts\n", | |
3011 | ioc->name)); | |
3012 | writel(0, &ioc->chip->HostInterruptStatus); | |
3013 | ||
3014 | count = 0; | |
3015 | do { | |
3016 | /* Write magic sequence to WriteSequence register | |
3017 | * Loop until in diagnostic mode | |
3018 | */ | |
3019 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "write magic " | |
3020 | "sequence\n", ioc->name)); | |
3021 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3022 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); | |
3023 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); | |
3024 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); | |
3025 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3026 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3027 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3028 | ||
3029 | /* wait 100 msec */ | |
3030 | if (sleep_flag == CAN_SLEEP) | |
3031 | msleep(100); | |
3032 | else | |
3033 | mdelay(100); | |
3034 | ||
3035 | if (count++ > 20) | |
3036 | goto out; | |
3037 | ||
3038 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
3039 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "wrote magic " | |
3040 | "sequence: count(%d), host_diagnostic(0x%08x)\n", | |
3041 | ioc->name, count, host_diagnostic)); | |
3042 | ||
3043 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); | |
3044 | ||
3045 | hcb_size = readl(&ioc->chip->HCBSize); | |
3046 | ||
3047 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "diag reset: issued\n", | |
3048 | ioc->name)); | |
3049 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, | |
3050 | &ioc->chip->HostDiagnostic); | |
3051 | ||
3052 | /* don't access any registers for 50 milliseconds */ | |
3053 | msleep(50); | |
3054 | ||
3055 | /* 300 second max wait */ | |
3056 | for (count = 0; count < 3000000 ; count++) { | |
3057 | ||
3058 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
3059 | ||
3060 | if (host_diagnostic == 0xFFFFFFFF) | |
3061 | goto out; | |
3062 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | |
3063 | break; | |
3064 | ||
3065 | /* wait 100 msec */ | |
3066 | if (sleep_flag == CAN_SLEEP) | |
3067 | msleep(1); | |
3068 | else | |
3069 | mdelay(1); | |
3070 | } | |
3071 | ||
3072 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { | |
3073 | ||
3074 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "restart the adapter " | |
3075 | "assuming the HCB Address points to good F/W\n", | |
3076 | ioc->name)); | |
3077 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; | |
3078 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; | |
3079 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); | |
3080 | ||
3081 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
3082 | "re-enable the HCDW\n", ioc->name)); | |
3083 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, | |
3084 | &ioc->chip->HCBSize); | |
3085 | } | |
3086 | ||
3087 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "restart the adapter\n", | |
3088 | ioc->name)); | |
3089 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, | |
3090 | &ioc->chip->HostDiagnostic); | |
3091 | ||
3092 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "disable writes to the " | |
3093 | "diagnostic register\n", ioc->name)); | |
3094 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3095 | ||
3096 | drsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "Wait for FW to go to the " | |
3097 | "READY state\n", ioc->name)); | |
3098 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, | |
3099 | sleep_flag); | |
3100 | if (ioc_state) { | |
3101 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
3102 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
3103 | goto out; | |
3104 | } | |
3105 | ||
3106 | _base_restore_msix_table(ioc); | |
3107 | printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); | |
3108 | return 0; | |
3109 | ||
3110 | out: | |
3111 | printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); | |
3112 | return -EFAULT; | |
3113 | } | |
3114 | ||
3115 | /** | |
3116 | * _base_make_ioc_ready - put controller in READY state | |
3117 | * @ioc: per adapter object | |
3118 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3119 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
3120 | * | |
3121 | * Returns 0 for success, non-zero for failure. | |
3122 | */ | |
3123 | static int | |
3124 | _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
3125 | enum reset_type type) | |
3126 | { | |
3127 | u32 ioc_state; | |
3128 | ||
3129 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
3130 | __func__)); | |
3131 | ||
3132 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
3133 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: ioc_state(0x%08x)\n", | |
3134 | ioc->name, __func__, ioc_state)); | |
3135 | ||
3136 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) | |
3137 | return 0; | |
3138 | ||
3139 | if (ioc_state & MPI2_DOORBELL_USED) { | |
3140 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell " | |
3141 | "active!\n", ioc->name)); | |
3142 | goto issue_diag_reset; | |
3143 | } | |
3144 | ||
3145 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
3146 | mpt2sas_base_fault_info(ioc, ioc_state & | |
3147 | MPI2_DOORBELL_DATA_MASK); | |
3148 | goto issue_diag_reset; | |
3149 | } | |
3150 | ||
3151 | if (type == FORCE_BIG_HAMMER) | |
3152 | goto issue_diag_reset; | |
3153 | ||
3154 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
3155 | if (!(_base_send_ioc_reset(ioc, | |
3156 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) | |
3157 | return 0; | |
3158 | ||
3159 | issue_diag_reset: | |
3160 | return _base_diag_reset(ioc, CAN_SLEEP); | |
3161 | } | |
3162 | ||
3163 | /** | |
3164 | * _base_make_ioc_operational - put controller in OPERATIONAL state | |
3165 | * @ioc: per adapter object | |
3166 | * @VF_ID: virtual function id | |
3167 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3168 | * | |
3169 | * Returns 0 for success, non-zero for failure. | |
3170 | */ | |
3171 | static int | |
3172 | _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
3173 | int sleep_flag) | |
3174 | { | |
3175 | int r, i; | |
3176 | unsigned long flags; | |
3177 | u32 reply_address; | |
3178 | ||
3179 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
3180 | __func__)); | |
3181 | ||
3182 | /* initialize the scsi lookup free list */ | |
3183 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
3184 | INIT_LIST_HEAD(&ioc->free_list); | |
3185 | for (i = 0; i < ioc->request_depth; i++) { | |
3186 | ioc->scsi_lookup[i].cb_idx = 0xFF; | |
3187 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, | |
3188 | &ioc->free_list); | |
3189 | } | |
3190 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
3191 | ||
3192 | /* initialize Reply Free Queue */ | |
3193 | for (i = 0, reply_address = (u32)ioc->reply_dma ; | |
3194 | i < ioc->reply_free_queue_depth ; i++, reply_address += | |
3195 | ioc->reply_sz) | |
3196 | ioc->reply_free[i] = cpu_to_le32(reply_address); | |
3197 | ||
3198 | /* initialize Reply Post Free Queue */ | |
3199 | for (i = 0; i < ioc->reply_post_queue_depth; i++) | |
03ea1115 | 3200 | ioc->reply_post_free[i].Words = ULLONG_MAX; |
635374e7 EM |
3201 | |
3202 | r = _base_send_ioc_init(ioc, VF_ID, sleep_flag); | |
3203 | if (r) | |
3204 | return r; | |
3205 | ||
3206 | /* initialize the index's */ | |
3207 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; | |
3208 | ioc->reply_post_host_index = 0; | |
3209 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); | |
3210 | writel(0, &ioc->chip->ReplyPostHostIndex); | |
3211 | ||
3212 | _base_unmask_interrupts(ioc); | |
3213 | r = _base_event_notification(ioc, VF_ID, sleep_flag); | |
3214 | if (r) | |
3215 | return r; | |
3216 | ||
3217 | if (sleep_flag == CAN_SLEEP) | |
3218 | _base_static_config_pages(ioc); | |
3219 | ||
3220 | r = _base_send_port_enable(ioc, VF_ID, sleep_flag); | |
3221 | if (r) | |
3222 | return r; | |
3223 | ||
3224 | return r; | |
3225 | } | |
3226 | ||
3227 | /** | |
3228 | * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) | |
3229 | * @ioc: per adapter object | |
3230 | * | |
3231 | * Return nothing. | |
3232 | */ | |
3233 | void | |
3234 | mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) | |
3235 | { | |
3236 | struct pci_dev *pdev = ioc->pdev; | |
3237 | ||
3238 | dexitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
3239 | __func__)); | |
3240 | ||
3241 | _base_mask_interrupts(ioc); | |
3242 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); | |
3243 | if (ioc->pci_irq) { | |
3244 | synchronize_irq(pdev->irq); | |
3245 | free_irq(ioc->pci_irq, ioc); | |
3246 | } | |
3247 | _base_disable_msix(ioc); | |
3248 | if (ioc->chip_phys) | |
3249 | iounmap(ioc->chip); | |
3250 | ioc->pci_irq = -1; | |
3251 | ioc->chip_phys = 0; | |
3252 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
3253 | pci_disable_device(pdev); | |
635374e7 EM |
3254 | return; |
3255 | } | |
3256 | ||
3257 | /** | |
3258 | * mpt2sas_base_attach - attach controller instance | |
3259 | * @ioc: per adapter object | |
3260 | * | |
3261 | * Returns 0 for success, non-zero for failure. | |
3262 | */ | |
3263 | int | |
3264 | mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) | |
3265 | { | |
3266 | int r, i; | |
635374e7 EM |
3267 | |
3268 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
3269 | __func__)); | |
3270 | ||
3271 | r = mpt2sas_base_map_resources(ioc); | |
3272 | if (r) | |
3273 | return r; | |
3274 | ||
fcfe6392 | 3275 | pci_set_drvdata(ioc->pdev, ioc->shost); |
635374e7 EM |
3276 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
3277 | if (r) | |
3278 | goto out_free_resources; | |
3279 | ||
3280 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); | |
3281 | if (r) | |
3282 | goto out_free_resources; | |
3283 | ||
3284 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); | |
3285 | if (r) | |
3286 | goto out_free_resources; | |
3287 | ||
3288 | init_waitqueue_head(&ioc->reset_wq); | |
3289 | ||
3290 | /* base internal command bits */ | |
3291 | mutex_init(&ioc->base_cmds.mutex); | |
3292 | init_completion(&ioc->base_cmds.done); | |
3293 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3294 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3295 | ||
3296 | /* transport internal command bits */ | |
3297 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3298 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
3299 | mutex_init(&ioc->transport_cmds.mutex); | |
3300 | init_completion(&ioc->transport_cmds.done); | |
3301 | ||
3302 | /* task management internal command bits */ | |
3303 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3304 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
3305 | mutex_init(&ioc->tm_cmds.mutex); | |
3306 | init_completion(&ioc->tm_cmds.done); | |
3307 | ||
3308 | /* config page internal command bits */ | |
3309 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3310 | ioc->config_cmds.status = MPT2_CMD_NOT_USED; | |
3311 | mutex_init(&ioc->config_cmds.mutex); | |
3312 | init_completion(&ioc->config_cmds.done); | |
3313 | ||
3314 | /* ctl module internal command bits */ | |
3315 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3316 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
3317 | mutex_init(&ioc->ctl_cmds.mutex); | |
3318 | init_completion(&ioc->ctl_cmds.done); | |
3319 | ||
3320 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) | |
3321 | ioc->event_masks[i] = -1; | |
3322 | ||
3323 | /* here we enable the events we care about */ | |
3324 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); | |
3325 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); | |
3326 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); | |
3327 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
3328 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); | |
3329 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); | |
3330 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); | |
3331 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); | |
3332 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); | |
3333 | _base_unmask_events(ioc, MPI2_EVENT_TASK_SET_FULL); | |
3334 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); | |
3335 | ||
3336 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, | |
3337 | sizeof(Mpi2PortFactsReply_t), GFP_KERNEL); | |
3338 | if (!ioc->pfacts) | |
3339 | goto out_free_resources; | |
3340 | ||
3341 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { | |
3342 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); | |
3343 | if (r) | |
3344 | goto out_free_resources; | |
3345 | } | |
3346 | r = _base_make_ioc_operational(ioc, 0, CAN_SLEEP); | |
3347 | if (r) | |
3348 | goto out_free_resources; | |
3349 | ||
e4750c98 | 3350 | mpt2sas_base_start_watchdog(ioc); |
635374e7 EM |
3351 | return 0; |
3352 | ||
3353 | out_free_resources: | |
3354 | ||
3355 | ioc->remove_host = 1; | |
3356 | mpt2sas_base_free_resources(ioc); | |
3357 | _base_release_memory_pools(ioc); | |
fcfe6392 | 3358 | pci_set_drvdata(ioc->pdev, NULL); |
635374e7 EM |
3359 | kfree(ioc->tm_cmds.reply); |
3360 | kfree(ioc->transport_cmds.reply); | |
3361 | kfree(ioc->config_cmds.reply); | |
3362 | kfree(ioc->base_cmds.reply); | |
3363 | kfree(ioc->ctl_cmds.reply); | |
3364 | kfree(ioc->pfacts); | |
3365 | ioc->ctl_cmds.reply = NULL; | |
3366 | ioc->base_cmds.reply = NULL; | |
3367 | ioc->tm_cmds.reply = NULL; | |
3368 | ioc->transport_cmds.reply = NULL; | |
3369 | ioc->config_cmds.reply = NULL; | |
3370 | ioc->pfacts = NULL; | |
3371 | return r; | |
3372 | } | |
3373 | ||
3374 | ||
3375 | /** | |
3376 | * mpt2sas_base_detach - remove controller instance | |
3377 | * @ioc: per adapter object | |
3378 | * | |
3379 | * Return nothing. | |
3380 | */ | |
3381 | void | |
3382 | mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) | |
3383 | { | |
635374e7 EM |
3384 | |
3385 | dexitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, | |
3386 | __func__)); | |
3387 | ||
e4750c98 | 3388 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
3389 | mpt2sas_base_free_resources(ioc); |
3390 | _base_release_memory_pools(ioc); | |
fcfe6392 | 3391 | pci_set_drvdata(ioc->pdev, NULL); |
635374e7 EM |
3392 | kfree(ioc->pfacts); |
3393 | kfree(ioc->ctl_cmds.reply); | |
3394 | kfree(ioc->base_cmds.reply); | |
3395 | kfree(ioc->tm_cmds.reply); | |
3396 | kfree(ioc->transport_cmds.reply); | |
3397 | kfree(ioc->config_cmds.reply); | |
3398 | } | |
3399 | ||
3400 | /** | |
3401 | * _base_reset_handler - reset callback handler (for base) | |
3402 | * @ioc: per adapter object | |
3403 | * @reset_phase: phase | |
3404 | * | |
3405 | * The handler for doing any required cleanup or initialization. | |
3406 | * | |
3407 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
3408 | * MPT2_IOC_DONE_RESET | |
3409 | * | |
3410 | * Return nothing. | |
3411 | */ | |
3412 | static void | |
3413 | _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
3414 | { | |
3415 | switch (reset_phase) { | |
3416 | case MPT2_IOC_PRE_RESET: | |
3417 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
3418 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); | |
3419 | break; | |
3420 | case MPT2_IOC_AFTER_RESET: | |
3421 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
3422 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
3423 | if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { | |
3424 | ioc->transport_cmds.status |= MPT2_CMD_RESET; | |
3425 | mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); | |
3426 | complete(&ioc->transport_cmds.done); | |
3427 | } | |
3428 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
3429 | ioc->base_cmds.status |= MPT2_CMD_RESET; | |
3430 | mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); | |
3431 | complete(&ioc->base_cmds.done); | |
3432 | } | |
3433 | if (ioc->config_cmds.status & MPT2_CMD_PENDING) { | |
3434 | ioc->config_cmds.status |= MPT2_CMD_RESET; | |
3435 | mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); | |
3436 | complete(&ioc->config_cmds.done); | |
3437 | } | |
3438 | break; | |
3439 | case MPT2_IOC_DONE_RESET: | |
3440 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
3441 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); | |
3442 | break; | |
3443 | } | |
3444 | mpt2sas_scsih_reset_handler(ioc, reset_phase); | |
3445 | mpt2sas_ctl_reset_handler(ioc, reset_phase); | |
3446 | } | |
3447 | ||
3448 | /** | |
3449 | * _wait_for_commands_to_complete - reset controller | |
3450 | * @ioc: Pointer to MPT_ADAPTER structure | |
3451 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3452 | * | |
3453 | * This function waiting(3s) for all pending commands to complete | |
3454 | * prior to putting controller in reset. | |
3455 | */ | |
3456 | static void | |
3457 | _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3458 | { | |
3459 | u32 ioc_state; | |
3460 | unsigned long flags; | |
3461 | u16 i; | |
3462 | ||
3463 | ioc->pending_io_count = 0; | |
3464 | if (sleep_flag != CAN_SLEEP) | |
3465 | return; | |
3466 | ||
3467 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
3468 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) | |
3469 | return; | |
3470 | ||
3471 | /* pending command count */ | |
3472 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
3473 | for (i = 0; i < ioc->request_depth; i++) | |
3474 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) | |
3475 | ioc->pending_io_count++; | |
3476 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
3477 | ||
3478 | if (!ioc->pending_io_count) | |
3479 | return; | |
3480 | ||
3481 | /* wait for pending commands to complete */ | |
3482 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 3 * HZ); | |
3483 | } | |
3484 | ||
3485 | /** | |
3486 | * mpt2sas_base_hard_reset_handler - reset controller | |
3487 | * @ioc: Pointer to MPT_ADAPTER structure | |
3488 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3489 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
3490 | * | |
3491 | * Returns 0 for success, non-zero for failure. | |
3492 | */ | |
3493 | int | |
3494 | mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
3495 | enum reset_type type) | |
3496 | { | |
3497 | int r, i; | |
3498 | unsigned long flags; | |
3499 | ||
3500 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name, | |
3501 | __func__)); | |
3502 | ||
3503 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
3504 | if (ioc->ioc_reset_in_progress) { | |
3505 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
3506 | printk(MPT2SAS_ERR_FMT "%s: busy\n", | |
3507 | ioc->name, __func__); | |
3508 | return -EBUSY; | |
3509 | } | |
3510 | ioc->ioc_reset_in_progress = 1; | |
3511 | ioc->shost_recovery = 1; | |
3512 | if (ioc->shost->shost_state == SHOST_RUNNING) { | |
3513 | /* set back to SHOST_RUNNING in mpt2sas_scsih.c */ | |
3514 | scsi_host_set_state(ioc->shost, SHOST_RECOVERY); | |
3515 | printk(MPT2SAS_INFO_FMT "putting controller into " | |
3516 | "SHOST_RECOVERY\n", ioc->name); | |
3517 | } | |
3518 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
3519 | ||
3520 | _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); | |
3521 | _wait_for_commands_to_complete(ioc, sleep_flag); | |
3522 | _base_mask_interrupts(ioc); | |
3523 | r = _base_make_ioc_ready(ioc, sleep_flag, type); | |
3524 | if (r) | |
3525 | goto out; | |
3526 | _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); | |
3527 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) | |
3528 | r = _base_make_ioc_operational(ioc, ioc->pfacts[i].VF_ID, | |
3529 | sleep_flag); | |
3530 | if (!r) | |
3531 | _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); | |
3532 | out: | |
3533 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: %s\n", | |
3534 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); | |
3535 | ||
3536 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
3537 | ioc->ioc_reset_in_progress = 0; | |
3538 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
3539 | return r; | |
3540 | } |