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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 | |
31b7f2e2 | 6 | * Copyright (C) 2007-2010 LSI Corporation |
635374e7 EM |
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> | |
a8ebd76c | 60 | #include <linux/time.h> |
ef7c80c1 | 61 | #include <linux/aer.h> |
635374e7 EM |
62 | |
63 | #include "mpt2sas_base.h" | |
64 | ||
65 | static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; | |
66 | ||
67 | #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ | |
635374e7 EM |
68 | |
69 | static int max_queue_depth = -1; | |
70 | module_param(max_queue_depth, int, 0); | |
71 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); | |
72 | ||
73 | static int max_sgl_entries = -1; | |
74 | module_param(max_sgl_entries, int, 0); | |
75 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); | |
76 | ||
77 | static int msix_disable = -1; | |
78 | module_param(msix_disable, int, 0); | |
79 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); | |
80 | ||
6cb8ef57 KD |
81 | static int missing_delay[2] = {-1, -1}; |
82 | module_param_array(missing_delay, int, NULL, 0); | |
83 | MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); | |
84 | ||
32e0eb56 | 85 | /* diag_buffer_enable is bitwise |
1b01fe3a KD |
86 | * bit 0 set = TRACE |
87 | * bit 1 set = SNAPSHOT | |
88 | * bit 2 set = EXTENDED | |
32e0eb56 KD |
89 | * |
90 | * Either bit can be set, or both | |
91 | */ | |
92 | static int diag_buffer_enable; | |
93 | module_param(diag_buffer_enable, int, 0); | |
1b01fe3a KD |
94 | MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers " |
95 | "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); | |
32e0eb56 | 96 | |
fa7f3167 KD |
97 | int mpt2sas_fwfault_debug; |
98 | MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " | |
99 | "and halt firmware - (default=0)"); | |
100 | ||
dd5fd332 KD |
101 | static int disable_discovery = -1; |
102 | module_param(disable_discovery, int, 0); | |
103 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); | |
104 | ||
fa7f3167 KD |
105 | /** |
106 | * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. | |
107 | * | |
108 | */ | |
109 | static int | |
110 | _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) | |
111 | { | |
112 | int ret = param_set_int(val, kp); | |
113 | struct MPT2SAS_ADAPTER *ioc; | |
114 | ||
115 | if (ret) | |
116 | return ret; | |
117 | ||
e75b9b6d | 118 | printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); |
fa7f3167 KD |
119 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
120 | ioc->fwfault_debug = mpt2sas_fwfault_debug; | |
121 | return 0; | |
122 | } | |
123 | module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, | |
124 | param_get_int, &mpt2sas_fwfault_debug, 0644); | |
125 | ||
635374e7 EM |
126 | /** |
127 | * _base_fault_reset_work - workq handling ioc fault conditions | |
128 | * @work: input argument, used to derive ioc | |
129 | * Context: sleep. | |
130 | * | |
131 | * Return nothing. | |
132 | */ | |
133 | static void | |
134 | _base_fault_reset_work(struct work_struct *work) | |
135 | { | |
136 | struct MPT2SAS_ADAPTER *ioc = | |
137 | container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); | |
138 | unsigned long flags; | |
139 | u32 doorbell; | |
140 | int rc; | |
141 | ||
142 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
155dd4c7 | 143 | if (ioc->shost_recovery) |
635374e7 EM |
144 | goto rearm_timer; |
145 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
146 | ||
147 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
148 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
149 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
150 | FORCE_BIG_HAMMER); | |
151 | printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, | |
152 | __func__, (rc == 0) ? "success" : "failed"); | |
153 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
154 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
155 | mpt2sas_base_fault_info(ioc, doorbell & | |
156 | MPI2_DOORBELL_DATA_MASK); | |
157 | } | |
158 | ||
159 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
160 | rearm_timer: | |
161 | if (ioc->fault_reset_work_q) | |
162 | queue_delayed_work(ioc->fault_reset_work_q, | |
163 | &ioc->fault_reset_work, | |
164 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
165 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
166 | } | |
167 | ||
e4750c98 KD |
168 | /** |
169 | * mpt2sas_base_start_watchdog - start the fault_reset_work_q | |
cef7a12c | 170 | * @ioc: per adapter object |
e4750c98 KD |
171 | * Context: sleep. |
172 | * | |
173 | * Return nothing. | |
174 | */ | |
175 | void | |
176 | mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
177 | { | |
178 | unsigned long flags; | |
179 | ||
180 | if (ioc->fault_reset_work_q) | |
181 | return; | |
182 | ||
183 | /* initialize fault polling */ | |
184 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); | |
185 | snprintf(ioc->fault_reset_work_q_name, | |
186 | sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); | |
187 | ioc->fault_reset_work_q = | |
188 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); | |
189 | if (!ioc->fault_reset_work_q) { | |
190 | printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", | |
191 | ioc->name, __func__, __LINE__); | |
192 | return; | |
193 | } | |
194 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
195 | if (ioc->fault_reset_work_q) | |
196 | queue_delayed_work(ioc->fault_reset_work_q, | |
197 | &ioc->fault_reset_work, | |
198 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
199 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
200 | } | |
201 | ||
202 | /** | |
203 | * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q | |
cef7a12c | 204 | * @ioc: per adapter object |
e4750c98 KD |
205 | * Context: sleep. |
206 | * | |
207 | * Return nothing. | |
208 | */ | |
209 | void | |
210 | mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
211 | { | |
212 | unsigned long flags; | |
213 | struct workqueue_struct *wq; | |
214 | ||
215 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
216 | wq = ioc->fault_reset_work_q; | |
217 | ioc->fault_reset_work_q = NULL; | |
218 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
219 | if (wq) { | |
220 | if (!cancel_delayed_work(&ioc->fault_reset_work)) | |
221 | flush_workqueue(wq); | |
222 | destroy_workqueue(wq); | |
223 | } | |
224 | } | |
225 | ||
fa7f3167 KD |
226 | /** |
227 | * mpt2sas_base_fault_info - verbose translation of firmware FAULT code | |
228 | * @ioc: per adapter object | |
229 | * @fault_code: fault code | |
230 | * | |
231 | * Return nothing. | |
232 | */ | |
233 | void | |
234 | mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) | |
235 | { | |
236 | printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", | |
237 | ioc->name, fault_code); | |
238 | } | |
239 | ||
240 | /** | |
241 | * mpt2sas_halt_firmware - halt's mpt controller firmware | |
242 | * @ioc: per adapter object | |
243 | * | |
244 | * For debugging timeout related issues. Writing 0xCOFFEE00 | |
245 | * to the doorbell register will halt controller firmware. With | |
246 | * the purpose to stop both driver and firmware, the enduser can | |
247 | * obtain a ring buffer from controller UART. | |
248 | */ | |
249 | void | |
250 | mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) | |
251 | { | |
252 | u32 doorbell; | |
253 | ||
254 | if (!ioc->fwfault_debug) | |
255 | return; | |
256 | ||
257 | dump_stack(); | |
258 | ||
259 | doorbell = readl(&ioc->chip->Doorbell); | |
260 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
261 | mpt2sas_base_fault_info(ioc , doorbell); | |
262 | else { | |
263 | writel(0xC0FFEE00, &ioc->chip->Doorbell); | |
264 | printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " | |
265 | "timeout\n", ioc->name); | |
266 | } | |
267 | ||
268 | panic("panic in %s\n", __func__); | |
269 | } | |
270 | ||
635374e7 EM |
271 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
272 | /** | |
273 | * _base_sas_ioc_info - verbose translation of the ioc status | |
cef7a12c | 274 | * @ioc: per adapter object |
635374e7 EM |
275 | * @mpi_reply: reply mf payload returned from firmware |
276 | * @request_hdr: request mf | |
277 | * | |
278 | * Return nothing. | |
279 | */ | |
280 | static void | |
281 | _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, | |
282 | MPI2RequestHeader_t *request_hdr) | |
283 | { | |
284 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
285 | MPI2_IOCSTATUS_MASK; | |
286 | char *desc = NULL; | |
287 | u16 frame_sz; | |
288 | char *func_str = NULL; | |
289 | ||
290 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ | |
291 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
292 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
293 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) | |
294 | return; | |
295 | ||
e94f6747 KD |
296 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
297 | return; | |
298 | ||
635374e7 EM |
299 | switch (ioc_status) { |
300 | ||
301 | /**************************************************************************** | |
302 | * Common IOCStatus values for all replies | |
303 | ****************************************************************************/ | |
304 | ||
305 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
306 | desc = "invalid function"; | |
307 | break; | |
308 | case MPI2_IOCSTATUS_BUSY: | |
309 | desc = "busy"; | |
310 | break; | |
311 | case MPI2_IOCSTATUS_INVALID_SGL: | |
312 | desc = "invalid sgl"; | |
313 | break; | |
314 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
315 | desc = "internal error"; | |
316 | break; | |
317 | case MPI2_IOCSTATUS_INVALID_VPID: | |
318 | desc = "invalid vpid"; | |
319 | break; | |
320 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
321 | desc = "insufficient resources"; | |
322 | break; | |
323 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
324 | desc = "invalid field"; | |
325 | break; | |
326 | case MPI2_IOCSTATUS_INVALID_STATE: | |
327 | desc = "invalid state"; | |
328 | break; | |
329 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: | |
330 | desc = "op state not supported"; | |
331 | break; | |
332 | ||
333 | /**************************************************************************** | |
334 | * Config IOCStatus values | |
335 | ****************************************************************************/ | |
336 | ||
337 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: | |
338 | desc = "config invalid action"; | |
339 | break; | |
340 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: | |
341 | desc = "config invalid type"; | |
342 | break; | |
343 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: | |
344 | desc = "config invalid page"; | |
345 | break; | |
346 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: | |
347 | desc = "config invalid data"; | |
348 | break; | |
349 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: | |
350 | desc = "config no defaults"; | |
351 | break; | |
352 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: | |
353 | desc = "config cant commit"; | |
354 | break; | |
355 | ||
356 | /**************************************************************************** | |
357 | * SCSI IO Reply | |
358 | ****************************************************************************/ | |
359 | ||
360 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
361 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
362 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
363 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
364 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
365 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
366 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
367 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
368 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
369 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
370 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
371 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
372 | break; | |
373 | ||
374 | /**************************************************************************** | |
375 | * For use by SCSI Initiator and SCSI Target end-to-end data protection | |
376 | ****************************************************************************/ | |
377 | ||
378 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
379 | desc = "eedp guard error"; | |
380 | break; | |
381 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
382 | desc = "eedp ref tag error"; | |
383 | break; | |
384 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
385 | desc = "eedp app tag error"; | |
386 | break; | |
387 | ||
388 | /**************************************************************************** | |
389 | * SCSI Target values | |
390 | ****************************************************************************/ | |
391 | ||
392 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: | |
393 | desc = "target invalid io index"; | |
394 | break; | |
395 | case MPI2_IOCSTATUS_TARGET_ABORTED: | |
396 | desc = "target aborted"; | |
397 | break; | |
398 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: | |
399 | desc = "target no conn retryable"; | |
400 | break; | |
401 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: | |
402 | desc = "target no connection"; | |
403 | break; | |
404 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: | |
405 | desc = "target xfer count mismatch"; | |
406 | break; | |
407 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: | |
408 | desc = "target data offset error"; | |
409 | break; | |
410 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: | |
411 | desc = "target too much write data"; | |
412 | break; | |
413 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: | |
414 | desc = "target iu too short"; | |
415 | break; | |
416 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: | |
417 | desc = "target ack nak timeout"; | |
418 | break; | |
419 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: | |
420 | desc = "target nak received"; | |
421 | break; | |
422 | ||
423 | /**************************************************************************** | |
424 | * Serial Attached SCSI values | |
425 | ****************************************************************************/ | |
426 | ||
427 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: | |
428 | desc = "smp request failed"; | |
429 | break; | |
430 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: | |
431 | desc = "smp data overrun"; | |
432 | break; | |
433 | ||
434 | /**************************************************************************** | |
435 | * Diagnostic Buffer Post / Diagnostic Release values | |
436 | ****************************************************************************/ | |
437 | ||
438 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: | |
439 | desc = "diagnostic released"; | |
440 | break; | |
441 | default: | |
442 | break; | |
443 | } | |
444 | ||
445 | if (!desc) | |
446 | return; | |
447 | ||
448 | switch (request_hdr->Function) { | |
449 | case MPI2_FUNCTION_CONFIG: | |
450 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; | |
451 | func_str = "config_page"; | |
452 | break; | |
453 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
454 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); | |
455 | func_str = "task_mgmt"; | |
456 | break; | |
457 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
458 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); | |
459 | func_str = "sas_iounit_ctl"; | |
460 | break; | |
461 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
462 | frame_sz = sizeof(Mpi2SepRequest_t); | |
463 | func_str = "enclosure"; | |
464 | break; | |
465 | case MPI2_FUNCTION_IOC_INIT: | |
466 | frame_sz = sizeof(Mpi2IOCInitRequest_t); | |
467 | func_str = "ioc_init"; | |
468 | break; | |
469 | case MPI2_FUNCTION_PORT_ENABLE: | |
470 | frame_sz = sizeof(Mpi2PortEnableRequest_t); | |
471 | func_str = "port_enable"; | |
472 | break; | |
473 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
474 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; | |
475 | func_str = "smp_passthru"; | |
476 | break; | |
477 | default: | |
478 | frame_sz = 32; | |
479 | func_str = "unknown"; | |
480 | break; | |
481 | } | |
482 | ||
483 | printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," | |
484 | " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); | |
485 | ||
486 | _debug_dump_mf(request_hdr, frame_sz/4); | |
487 | } | |
488 | ||
489 | /** | |
490 | * _base_display_event_data - verbose translation of firmware asyn events | |
cef7a12c | 491 | * @ioc: per adapter object |
635374e7 EM |
492 | * @mpi_reply: reply mf payload returned from firmware |
493 | * | |
494 | * Return nothing. | |
495 | */ | |
496 | static void | |
497 | _base_display_event_data(struct MPT2SAS_ADAPTER *ioc, | |
498 | Mpi2EventNotificationReply_t *mpi_reply) | |
499 | { | |
500 | char *desc = NULL; | |
501 | u16 event; | |
502 | ||
503 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) | |
504 | return; | |
505 | ||
506 | event = le16_to_cpu(mpi_reply->Event); | |
507 | ||
508 | switch (event) { | |
509 | case MPI2_EVENT_LOG_DATA: | |
510 | desc = "Log Data"; | |
511 | break; | |
512 | case MPI2_EVENT_STATE_CHANGE: | |
513 | desc = "Status Change"; | |
514 | break; | |
515 | case MPI2_EVENT_HARD_RESET_RECEIVED: | |
516 | desc = "Hard Reset Received"; | |
517 | break; | |
518 | case MPI2_EVENT_EVENT_CHANGE: | |
519 | desc = "Event Change"; | |
520 | break; | |
635374e7 EM |
521 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
522 | desc = "Device Status Change"; | |
523 | break; | |
524 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
525 | desc = "IR Operation Status"; | |
526 | break; | |
527 | case MPI2_EVENT_SAS_DISCOVERY: | |
e94f6747 KD |
528 | { |
529 | Mpi2EventDataSasDiscovery_t *event_data = | |
530 | (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; | |
531 | printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, | |
532 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
533 | "start" : "stop"); | |
534 | if (event_data->DiscoveryStatus) | |
535 | printk("discovery_status(0x%08x)", | |
536 | le32_to_cpu(event_data->DiscoveryStatus)); | |
7968f194 | 537 | printk("\n"); |
e94f6747 KD |
538 | return; |
539 | } | |
635374e7 EM |
540 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
541 | desc = "SAS Broadcast Primitive"; | |
542 | break; | |
543 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: | |
544 | desc = "SAS Init Device Status Change"; | |
545 | break; | |
546 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: | |
547 | desc = "SAS Init Table Overflow"; | |
548 | break; | |
549 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
550 | desc = "SAS Topology Change List"; | |
551 | break; | |
552 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
553 | desc = "SAS Enclosure Device Status Change"; | |
554 | break; | |
555 | case MPI2_EVENT_IR_VOLUME: | |
556 | desc = "IR Volume"; | |
557 | break; | |
558 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
559 | desc = "IR Physical Disk"; | |
560 | break; | |
561 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
562 | desc = "IR Configuration Change List"; | |
563 | break; | |
564 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
565 | desc = "Log Entry Added"; | |
566 | break; | |
567 | } | |
568 | ||
569 | if (!desc) | |
570 | return; | |
571 | ||
572 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); | |
573 | } | |
574 | #endif | |
575 | ||
576 | /** | |
577 | * _base_sas_log_info - verbose translation of firmware log info | |
cef7a12c | 578 | * @ioc: per adapter object |
635374e7 EM |
579 | * @log_info: log info |
580 | * | |
581 | * Return nothing. | |
582 | */ | |
583 | static void | |
584 | _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) | |
585 | { | |
586 | union loginfo_type { | |
587 | u32 loginfo; | |
588 | struct { | |
589 | u32 subcode:16; | |
590 | u32 code:8; | |
591 | u32 originator:4; | |
592 | u32 bus_type:4; | |
593 | } dw; | |
594 | }; | |
595 | union loginfo_type sas_loginfo; | |
596 | char *originator_str = NULL; | |
597 | ||
598 | sas_loginfo.loginfo = log_info; | |
599 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) | |
600 | return; | |
601 | ||
be9e8cd7 KD |
602 | /* each nexus loss loginfo */ |
603 | if (log_info == 0x31170000) | |
604 | return; | |
605 | ||
635374e7 EM |
606 | /* eat the loginfos associated with task aborts */ |
607 | if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == | |
608 | 0x31140000 || log_info == 0x31130000)) | |
609 | return; | |
610 | ||
611 | switch (sas_loginfo.dw.originator) { | |
612 | case 0: | |
613 | originator_str = "IOP"; | |
614 | break; | |
615 | case 1: | |
616 | originator_str = "PL"; | |
617 | break; | |
618 | case 2: | |
619 | originator_str = "IR"; | |
620 | break; | |
621 | } | |
622 | ||
623 | printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " | |
624 | "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, | |
625 | originator_str, sas_loginfo.dw.code, | |
626 | sas_loginfo.dw.subcode); | |
627 | } | |
628 | ||
635374e7 EM |
629 | /** |
630 | * _base_display_reply_info - | |
cef7a12c | 631 | * @ioc: per adapter object |
635374e7 | 632 | * @smid: system request message index |
7b936b02 | 633 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
634 | * @reply: reply message frame(lower 32bit addr) |
635 | * | |
636 | * Return nothing. | |
637 | */ | |
638 | static void | |
7b936b02 | 639 | _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
635374e7 EM |
640 | u32 reply) |
641 | { | |
642 | MPI2DefaultReply_t *mpi_reply; | |
643 | u16 ioc_status; | |
644 | ||
645 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
646 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
647 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
648 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && | |
649 | (ioc->logging_level & MPT_DEBUG_REPLY)) { | |
650 | _base_sas_ioc_info(ioc , mpi_reply, | |
651 | mpt2sas_base_get_msg_frame(ioc, smid)); | |
652 | } | |
653 | #endif | |
654 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
655 | _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
656 | } | |
657 | ||
658 | /** | |
659 | * mpt2sas_base_done - base internal command completion routine | |
cef7a12c | 660 | * @ioc: per adapter object |
635374e7 | 661 | * @smid: system request message index |
7b936b02 | 662 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
663 | * @reply: reply message frame(lower 32bit addr) |
664 | * | |
77e63ed4 KD |
665 | * Return 1 meaning mf should be freed from _base_interrupt |
666 | * 0 means the mf is freed from this function. | |
635374e7 | 667 | */ |
77e63ed4 | 668 | u8 |
7b936b02 KD |
669 | mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
670 | u32 reply) | |
635374e7 EM |
671 | { |
672 | MPI2DefaultReply_t *mpi_reply; | |
673 | ||
674 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
675 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
77e63ed4 | 676 | return 1; |
635374e7 EM |
677 | |
678 | if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 679 | return 1; |
635374e7 EM |
680 | |
681 | ioc->base_cmds.status |= MPT2_CMD_COMPLETE; | |
682 | if (mpi_reply) { | |
683 | ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; | |
684 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
685 | } | |
686 | ioc->base_cmds.status &= ~MPT2_CMD_PENDING; | |
687 | complete(&ioc->base_cmds.done); | |
77e63ed4 | 688 | return 1; |
635374e7 EM |
689 | } |
690 | ||
691 | /** | |
692 | * _base_async_event - main callback handler for firmware asyn events | |
cef7a12c | 693 | * @ioc: per adapter object |
7b936b02 | 694 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
695 | * @reply: reply message frame(lower 32bit addr) |
696 | * | |
77e63ed4 KD |
697 | * Return 1 meaning mf should be freed from _base_interrupt |
698 | * 0 means the mf is freed from this function. | |
635374e7 | 699 | */ |
77e63ed4 | 700 | static u8 |
7b936b02 | 701 | _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) |
635374e7 EM |
702 | { |
703 | Mpi2EventNotificationReply_t *mpi_reply; | |
704 | Mpi2EventAckRequest_t *ack_request; | |
705 | u16 smid; | |
706 | ||
707 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
708 | if (!mpi_reply) | |
77e63ed4 | 709 | return 1; |
635374e7 | 710 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) |
77e63ed4 | 711 | return 1; |
635374e7 EM |
712 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
713 | _base_display_event_data(ioc, mpi_reply); | |
714 | #endif | |
715 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) | |
716 | goto out; | |
717 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
718 | if (!smid) { | |
719 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
720 | ioc->name, __func__); | |
721 | goto out; | |
722 | } | |
723 | ||
724 | ack_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
725 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
726 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
727 | ack_request->Event = mpi_reply->Event; | |
728 | ack_request->EventContext = mpi_reply->EventContext; | |
7b936b02 KD |
729 | ack_request->VF_ID = 0; /* TODO */ |
730 | ack_request->VP_ID = 0; | |
731 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
732 | |
733 | out: | |
734 | ||
735 | /* scsih callback handler */ | |
7b936b02 | 736 | mpt2sas_scsih_event_callback(ioc, msix_index, reply); |
635374e7 EM |
737 | |
738 | /* ctl callback handler */ | |
7b936b02 | 739 | mpt2sas_ctl_event_callback(ioc, msix_index, reply); |
77e63ed4 KD |
740 | |
741 | return 1; | |
635374e7 EM |
742 | } |
743 | ||
595bb0bd KD |
744 | /** |
745 | * _base_get_cb_idx - obtain the callback index | |
746 | * @ioc: per adapter object | |
747 | * @smid: system request message index | |
748 | * | |
749 | * Return callback index. | |
750 | */ | |
751 | static u8 | |
752 | _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
753 | { | |
754 | int i; | |
d5bd3491 KD |
755 | u8 cb_idx; |
756 | ||
757 | if (smid < ioc->hi_priority_smid) { | |
595bb0bd KD |
758 | i = smid - 1; |
759 | cb_idx = ioc->scsi_lookup[i].cb_idx; | |
d5bd3491 KD |
760 | } else if (smid < ioc->internal_smid) { |
761 | i = smid - ioc->hi_priority_smid; | |
762 | cb_idx = ioc->hpr_lookup[i].cb_idx; | |
763 | } else if (smid <= ioc->hba_queue_depth) { | |
764 | i = smid - ioc->internal_smid; | |
765 | cb_idx = ioc->internal_lookup[i].cb_idx; | |
766 | } else | |
767 | cb_idx = 0xFF; | |
595bb0bd KD |
768 | return cb_idx; |
769 | } | |
770 | ||
635374e7 EM |
771 | /** |
772 | * _base_mask_interrupts - disable interrupts | |
cef7a12c | 773 | * @ioc: per adapter object |
635374e7 EM |
774 | * |
775 | * Disabling ResetIRQ, Reply and Doorbell Interrupts | |
776 | * | |
777 | * Return nothing. | |
778 | */ | |
779 | static void | |
780 | _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
781 | { | |
782 | u32 him_register; | |
783 | ||
784 | ioc->mask_interrupts = 1; | |
785 | him_register = readl(&ioc->chip->HostInterruptMask); | |
786 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; | |
787 | writel(him_register, &ioc->chip->HostInterruptMask); | |
788 | readl(&ioc->chip->HostInterruptMask); | |
789 | } | |
790 | ||
791 | /** | |
792 | * _base_unmask_interrupts - enable interrupts | |
cef7a12c | 793 | * @ioc: per adapter object |
635374e7 EM |
794 | * |
795 | * Enabling only Reply Interrupts | |
796 | * | |
797 | * Return nothing. | |
798 | */ | |
799 | static void | |
800 | _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
801 | { | |
802 | u32 him_register; | |
803 | ||
635374e7 EM |
804 | him_register = readl(&ioc->chip->HostInterruptMask); |
805 | him_register &= ~MPI2_HIM_RIM; | |
806 | writel(him_register, &ioc->chip->HostInterruptMask); | |
807 | ioc->mask_interrupts = 0; | |
808 | } | |
809 | ||
5b768581 KD |
810 | union reply_descriptor { |
811 | u64 word; | |
812 | struct { | |
813 | u32 low; | |
814 | u32 high; | |
815 | } u; | |
816 | }; | |
817 | ||
635374e7 EM |
818 | /** |
819 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. | |
820 | * @irq: irq number (not used) | |
821 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure | |
822 | * @r: pt_regs pointer (not used) | |
823 | * | |
824 | * Return IRQ_HANDLE if processed, else IRQ_NONE. | |
825 | */ | |
826 | static irqreturn_t | |
827 | _base_interrupt(int irq, void *bus_id) | |
828 | { | |
03ea1115 | 829 | union reply_descriptor rd; |
5b768581 | 830 | u32 completed_cmds; |
635374e7 EM |
831 | u8 request_desript_type; |
832 | u16 smid; | |
833 | u8 cb_idx; | |
834 | u32 reply; | |
7b936b02 | 835 | u8 msix_index; |
635374e7 | 836 | struct MPT2SAS_ADAPTER *ioc = bus_id; |
5b768581 | 837 | Mpi2ReplyDescriptorsUnion_t *rpf; |
77e63ed4 | 838 | u8 rc; |
635374e7 EM |
839 | |
840 | if (ioc->mask_interrupts) | |
841 | return IRQ_NONE; | |
842 | ||
5b768581 KD |
843 | rpf = &ioc->reply_post_free[ioc->reply_post_host_index]; |
844 | request_desript_type = rpf->Default.ReplyFlags | |
845 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
635374e7 EM |
846 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) |
847 | return IRQ_NONE; | |
848 | ||
849 | completed_cmds = 0; | |
dd3741d3 | 850 | cb_idx = 0xFF; |
635374e7 | 851 | do { |
5b768581 | 852 | rd.word = rpf->Words; |
03ea1115 | 853 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) |
635374e7 EM |
854 | goto out; |
855 | reply = 0; | |
856 | cb_idx = 0xFF; | |
5b768581 | 857 | smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); |
7b936b02 | 858 | msix_index = rpf->Default.MSIxIndex; |
635374e7 EM |
859 | if (request_desript_type == |
860 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { | |
5b768581 KD |
861 | reply = le32_to_cpu |
862 | (rpf->AddressReply.ReplyFrameAddress); | |
dd3741d3 KD |
863 | if (reply > ioc->reply_dma_max_address || |
864 | reply < ioc->reply_dma_min_address) | |
865 | reply = 0; | |
635374e7 EM |
866 | } else if (request_desript_type == |
867 | MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) | |
868 | goto next; | |
869 | else if (request_desript_type == | |
870 | MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) | |
871 | goto next; | |
872 | if (smid) | |
595bb0bd | 873 | cb_idx = _base_get_cb_idx(ioc, smid); |
635374e7 | 874 | if (smid && cb_idx != 0xFF) { |
77e63ed4 | 875 | rc = mpt_callbacks[cb_idx](ioc, smid, msix_index, |
595bb0bd | 876 | reply); |
635374e7 | 877 | if (reply) |
7b936b02 | 878 | _base_display_reply_info(ioc, smid, msix_index, |
635374e7 | 879 | reply); |
77e63ed4 KD |
880 | if (rc) |
881 | mpt2sas_base_free_smid(ioc, smid); | |
635374e7 EM |
882 | } |
883 | if (!smid) | |
7b936b02 | 884 | _base_async_event(ioc, msix_index, reply); |
635374e7 EM |
885 | |
886 | /* reply free queue handling */ | |
887 | if (reply) { | |
888 | ioc->reply_free_host_index = | |
889 | (ioc->reply_free_host_index == | |
890 | (ioc->reply_free_queue_depth - 1)) ? | |
891 | 0 : ioc->reply_free_host_index + 1; | |
892 | ioc->reply_free[ioc->reply_free_host_index] = | |
893 | cpu_to_le32(reply); | |
5b768581 | 894 | wmb(); |
635374e7 EM |
895 | writel(ioc->reply_free_host_index, |
896 | &ioc->chip->ReplyFreeHostIndex); | |
635374e7 EM |
897 | } |
898 | ||
899 | next: | |
5b768581 KD |
900 | |
901 | rpf->Words = ULLONG_MAX; | |
902 | ioc->reply_post_host_index = (ioc->reply_post_host_index == | |
903 | (ioc->reply_post_queue_depth - 1)) ? 0 : | |
904 | ioc->reply_post_host_index + 1; | |
635374e7 | 905 | request_desript_type = |
5b768581 KD |
906 | ioc->reply_post_free[ioc->reply_post_host_index].Default. |
907 | ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
635374e7 EM |
908 | completed_cmds++; |
909 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
910 | goto out; | |
5b768581 KD |
911 | if (!ioc->reply_post_host_index) |
912 | rpf = ioc->reply_post_free; | |
913 | else | |
914 | rpf++; | |
635374e7 EM |
915 | } while (1); |
916 | ||
917 | out: | |
918 | ||
919 | if (!completed_cmds) | |
920 | return IRQ_NONE; | |
921 | ||
635374e7 | 922 | wmb(); |
5b768581 | 923 | writel(ioc->reply_post_host_index, &ioc->chip->ReplyPostHostIndex); |
635374e7 EM |
924 | return IRQ_HANDLED; |
925 | } | |
926 | ||
927 | /** | |
25985edc | 928 | * mpt2sas_base_release_callback_handler - clear interrupt callback handler |
635374e7 EM |
929 | * @cb_idx: callback index |
930 | * | |
931 | * Return nothing. | |
932 | */ | |
933 | void | |
934 | mpt2sas_base_release_callback_handler(u8 cb_idx) | |
935 | { | |
936 | mpt_callbacks[cb_idx] = NULL; | |
937 | } | |
938 | ||
939 | /** | |
940 | * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler | |
941 | * @cb_func: callback function | |
942 | * | |
943 | * Returns cb_func. | |
944 | */ | |
945 | u8 | |
946 | mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) | |
947 | { | |
948 | u8 cb_idx; | |
949 | ||
950 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) | |
951 | if (mpt_callbacks[cb_idx] == NULL) | |
952 | break; | |
953 | ||
954 | mpt_callbacks[cb_idx] = cb_func; | |
955 | return cb_idx; | |
956 | } | |
957 | ||
958 | /** | |
959 | * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler | |
960 | * | |
961 | * Return nothing. | |
962 | */ | |
963 | void | |
964 | mpt2sas_base_initialize_callback_handler(void) | |
965 | { | |
966 | u8 cb_idx; | |
967 | ||
968 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) | |
969 | mpt2sas_base_release_callback_handler(cb_idx); | |
970 | } | |
971 | ||
972 | /** | |
973 | * mpt2sas_base_build_zero_len_sge - build zero length sg entry | |
974 | * @ioc: per adapter object | |
975 | * @paddr: virtual address for SGE | |
976 | * | |
977 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
978 | * something to use if the target device goes brain dead and tries | |
979 | * to send data even when none is asked for. | |
980 | * | |
981 | * Return nothing. | |
982 | */ | |
983 | void | |
984 | mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) | |
985 | { | |
986 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | | |
987 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | | |
988 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << | |
989 | MPI2_SGE_FLAGS_SHIFT); | |
990 | ioc->base_add_sg_single(paddr, flags_length, -1); | |
991 | } | |
992 | ||
993 | /** | |
994 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. | |
995 | * @paddr: virtual address for SGE | |
996 | * @flags_length: SGE flags and data transfer length | |
997 | * @dma_addr: Physical address | |
998 | * | |
999 | * Return nothing. | |
1000 | */ | |
1001 | static void | |
1002 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1003 | { | |
1004 | Mpi2SGESimple32_t *sgel = paddr; | |
1005 | ||
1006 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | | |
1007 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1008 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1009 | sgel->Address = cpu_to_le32(dma_addr); | |
1010 | } | |
1011 | ||
1012 | ||
1013 | /** | |
1014 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. | |
1015 | * @paddr: virtual address for SGE | |
1016 | * @flags_length: SGE flags and data transfer length | |
1017 | * @dma_addr: Physical address | |
1018 | * | |
1019 | * Return nothing. | |
1020 | */ | |
1021 | static void | |
1022 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1023 | { | |
1024 | Mpi2SGESimple64_t *sgel = paddr; | |
1025 | ||
1026 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | | |
1027 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1028 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1029 | sgel->Address = cpu_to_le64(dma_addr); | |
1030 | } | |
1031 | ||
1032 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) | |
1033 | ||
1034 | /** | |
1035 | * _base_config_dma_addressing - set dma addressing | |
1036 | * @ioc: per adapter object | |
1037 | * @pdev: PCI device struct | |
1038 | * | |
1039 | * Returns 0 for success, non-zero for failure. | |
1040 | */ | |
1041 | static int | |
1042 | _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) | |
1043 | { | |
1044 | struct sysinfo s; | |
1045 | char *desc = NULL; | |
1046 | ||
1047 | if (sizeof(dma_addr_t) > 4) { | |
1048 | const uint64_t required_mask = | |
1049 | dma_get_required_mask(&pdev->dev); | |
e930438c YH |
1050 | if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev, |
1051 | DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev, | |
1052 | DMA_BIT_MASK(64))) { | |
635374e7 EM |
1053 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
1054 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); | |
1055 | desc = "64"; | |
1056 | goto out; | |
1057 | } | |
1058 | } | |
1059 | ||
e930438c YH |
1060 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) |
1061 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
635374e7 EM |
1062 | ioc->base_add_sg_single = &_base_add_sg_single_32; |
1063 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); | |
1064 | desc = "32"; | |
1065 | } else | |
1066 | return -ENODEV; | |
1067 | ||
1068 | out: | |
1069 | si_meminfo(&s); | |
1070 | printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, " | |
1071 | "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram)); | |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | /** | |
1077 | * _base_save_msix_table - backup msix vector table | |
1078 | * @ioc: per adapter object | |
1079 | * | |
1080 | * This address an errata where diag reset clears out the table | |
1081 | */ | |
1082 | static void | |
1083 | _base_save_msix_table(struct MPT2SAS_ADAPTER *ioc) | |
1084 | { | |
1085 | int i; | |
1086 | ||
1087 | if (!ioc->msix_enable || ioc->msix_table_backup == NULL) | |
1088 | return; | |
1089 | ||
1090 | for (i = 0; i < ioc->msix_vector_count; i++) | |
1091 | ioc->msix_table_backup[i] = ioc->msix_table[i]; | |
1092 | } | |
1093 | ||
1094 | /** | |
1095 | * _base_restore_msix_table - this restores the msix vector table | |
1096 | * @ioc: per adapter object | |
1097 | * | |
1098 | */ | |
1099 | static void | |
1100 | _base_restore_msix_table(struct MPT2SAS_ADAPTER *ioc) | |
1101 | { | |
1102 | int i; | |
1103 | ||
1104 | if (!ioc->msix_enable || ioc->msix_table_backup == NULL) | |
1105 | return; | |
1106 | ||
1107 | for (i = 0; i < ioc->msix_vector_count; i++) | |
1108 | ioc->msix_table[i] = ioc->msix_table_backup[i]; | |
1109 | } | |
1110 | ||
1111 | /** | |
1112 | * _base_check_enable_msix - checks MSIX capabable. | |
1113 | * @ioc: per adapter object | |
1114 | * | |
1115 | * Check to see if card is capable of MSIX, and set number | |
25985edc | 1116 | * of available msix vectors |
635374e7 EM |
1117 | */ |
1118 | static int | |
1119 | _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1120 | { | |
1121 | int base; | |
1122 | u16 message_control; | |
1123 | u32 msix_table_offset; | |
1124 | ||
1125 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); | |
1126 | if (!base) { | |
1127 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " | |
1128 | "supported\n", ioc->name)); | |
1129 | return -EINVAL; | |
1130 | } | |
1131 | ||
1132 | /* get msix vector count */ | |
1133 | pci_read_config_word(ioc->pdev, base + 2, &message_control); | |
1134 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; | |
1135 | ||
1136 | /* get msix table */ | |
1137 | pci_read_config_dword(ioc->pdev, base + 4, &msix_table_offset); | |
1138 | msix_table_offset &= 0xFFFFFFF8; | |
1139 | ioc->msix_table = (u32 *)((void *)ioc->chip + msix_table_offset); | |
1140 | ||
1141 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " | |
1142 | "vector_count(%d), table_offset(0x%08x), table(%p)\n", ioc->name, | |
1143 | ioc->msix_vector_count, msix_table_offset, ioc->msix_table)); | |
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | /** | |
1148 | * _base_disable_msix - disables msix | |
1149 | * @ioc: per adapter object | |
1150 | * | |
1151 | */ | |
1152 | static void | |
1153 | _base_disable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1154 | { | |
1155 | if (ioc->msix_enable) { | |
1156 | pci_disable_msix(ioc->pdev); | |
1157 | kfree(ioc->msix_table_backup); | |
1158 | ioc->msix_table_backup = NULL; | |
1159 | ioc->msix_enable = 0; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | /** | |
1164 | * _base_enable_msix - enables msix, failback to io_apic | |
1165 | * @ioc: per adapter object | |
1166 | * | |
1167 | */ | |
1168 | static int | |
1169 | _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1170 | { | |
1171 | struct msix_entry entries; | |
1172 | int r; | |
1173 | u8 try_msix = 0; | |
1174 | ||
1175 | if (msix_disable == -1 || msix_disable == 0) | |
1176 | try_msix = 1; | |
1177 | ||
1178 | if (!try_msix) | |
1179 | goto try_ioapic; | |
1180 | ||
1181 | if (_base_check_enable_msix(ioc) != 0) | |
1182 | goto try_ioapic; | |
1183 | ||
1184 | ioc->msix_table_backup = kcalloc(ioc->msix_vector_count, | |
1185 | sizeof(u32), GFP_KERNEL); | |
1186 | if (!ioc->msix_table_backup) { | |
1187 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " | |
1188 | "msix_table_backup failed!!!\n", ioc->name)); | |
1189 | goto try_ioapic; | |
1190 | } | |
1191 | ||
1192 | memset(&entries, 0, sizeof(struct msix_entry)); | |
1193 | r = pci_enable_msix(ioc->pdev, &entries, 1); | |
1194 | if (r) { | |
1195 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix " | |
1196 | "failed (r=%d) !!!\n", ioc->name, r)); | |
1197 | goto try_ioapic; | |
1198 | } | |
1199 | ||
1200 | r = request_irq(entries.vector, _base_interrupt, IRQF_SHARED, | |
1201 | ioc->name, ioc); | |
1202 | if (r) { | |
1203 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "unable to allocate " | |
1204 | "interrupt %d !!!\n", ioc->name, entries.vector)); | |
1205 | pci_disable_msix(ioc->pdev); | |
1206 | goto try_ioapic; | |
1207 | } | |
1208 | ||
1209 | ioc->pci_irq = entries.vector; | |
1210 | ioc->msix_enable = 1; | |
1211 | return 0; | |
1212 | ||
1213 | /* failback to io_apic interrupt routing */ | |
1214 | try_ioapic: | |
1215 | ||
1216 | r = request_irq(ioc->pdev->irq, _base_interrupt, IRQF_SHARED, | |
1217 | ioc->name, ioc); | |
1218 | if (r) { | |
1219 | printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", | |
1220 | ioc->name, ioc->pdev->irq); | |
1221 | r = -EBUSY; | |
1222 | goto out_fail; | |
1223 | } | |
1224 | ||
1225 | ioc->pci_irq = ioc->pdev->irq; | |
1226 | return 0; | |
1227 | ||
1228 | out_fail: | |
1229 | return r; | |
1230 | } | |
1231 | ||
1232 | /** | |
1233 | * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) | |
1234 | * @ioc: per adapter object | |
1235 | * | |
1236 | * Returns 0 for success, non-zero for failure. | |
1237 | */ | |
1238 | int | |
1239 | mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) | |
1240 | { | |
1241 | struct pci_dev *pdev = ioc->pdev; | |
1242 | u32 memap_sz; | |
1243 | u32 pio_sz; | |
1244 | int i, r = 0; | |
6846e75c KD |
1245 | u64 pio_chip = 0; |
1246 | u64 chip_phys = 0; | |
635374e7 | 1247 | |
eabb08ad | 1248 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", |
635374e7 EM |
1249 | ioc->name, __func__)); |
1250 | ||
1251 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
1252 | if (pci_enable_device_mem(pdev)) { | |
1253 | printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " | |
1254 | "failed\n", ioc->name); | |
1255 | return -ENODEV; | |
1256 | } | |
1257 | ||
1258 | ||
1259 | if (pci_request_selected_regions(pdev, ioc->bars, | |
1260 | MPT2SAS_DRIVER_NAME)) { | |
1261 | printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " | |
1262 | "failed\n", ioc->name); | |
1263 | r = -ENODEV; | |
1264 | goto out_fail; | |
1265 | } | |
1266 | ||
ef7c80c1 KD |
1267 | /* AER (Advanced Error Reporting) hooks */ |
1268 | pci_enable_pcie_error_reporting(pdev); | |
1269 | ||
635374e7 EM |
1270 | pci_set_master(pdev); |
1271 | ||
1272 | if (_base_config_dma_addressing(ioc, pdev) != 0) { | |
1273 | printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", | |
1274 | ioc->name, pci_name(pdev)); | |
1275 | r = -ENODEV; | |
1276 | goto out_fail; | |
1277 | } | |
1278 | ||
1279 | for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { | |
fc193172 | 1280 | if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { |
635374e7 EM |
1281 | if (pio_sz) |
1282 | continue; | |
6846e75c | 1283 | pio_chip = (u64)pci_resource_start(pdev, i); |
635374e7 EM |
1284 | pio_sz = pci_resource_len(pdev, i); |
1285 | } else { | |
1286 | if (memap_sz) | |
1287 | continue; | |
fc193172 RL |
1288 | /* verify memory resource is valid before using */ |
1289 | if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { | |
1290 | ioc->chip_phys = pci_resource_start(pdev, i); | |
1291 | chip_phys = (u64)ioc->chip_phys; | |
1292 | memap_sz = pci_resource_len(pdev, i); | |
1293 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); | |
1294 | if (ioc->chip == NULL) { | |
1295 | printk(MPT2SAS_ERR_FMT "unable to map " | |
1296 | "adapter memory!\n", ioc->name); | |
1297 | r = -EINVAL; | |
1298 | goto out_fail; | |
1299 | } | |
635374e7 EM |
1300 | } |
1301 | } | |
1302 | } | |
1303 | ||
635374e7 EM |
1304 | _base_mask_interrupts(ioc); |
1305 | r = _base_enable_msix(ioc); | |
1306 | if (r) | |
1307 | goto out_fail; | |
1308 | ||
1309 | printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", | |
1310 | ioc->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : | |
1311 | "IO-APIC enabled"), ioc->pci_irq); | |
6846e75c KD |
1312 | printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", |
1313 | ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); | |
1314 | printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", | |
1315 | ioc->name, (unsigned long long)pio_chip, pio_sz); | |
635374e7 | 1316 | |
3cb5469a EM |
1317 | /* Save PCI configuration state for recovery from PCI AER/EEH errors */ |
1318 | pci_save_state(pdev); | |
1319 | ||
635374e7 EM |
1320 | return 0; |
1321 | ||
1322 | out_fail: | |
1323 | if (ioc->chip_phys) | |
1324 | iounmap(ioc->chip); | |
1325 | ioc->chip_phys = 0; | |
1326 | ioc->pci_irq = -1; | |
1327 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
ef7c80c1 | 1328 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 1329 | pci_disable_device(pdev); |
635374e7 EM |
1330 | return r; |
1331 | } | |
1332 | ||
635374e7 EM |
1333 | /** |
1334 | * mpt2sas_base_get_msg_frame - obtain request mf pointer | |
1335 | * @ioc: per adapter object | |
1336 | * @smid: system request message index(smid zero is invalid) | |
1337 | * | |
1338 | * Returns virt pointer to message frame. | |
1339 | */ | |
1340 | void * | |
1341 | mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1342 | { | |
1343 | return (void *)(ioc->request + (smid * ioc->request_sz)); | |
1344 | } | |
1345 | ||
1346 | /** | |
1347 | * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request | |
1348 | * @ioc: per adapter object | |
1349 | * @smid: system request message index | |
1350 | * | |
1351 | * Returns virt pointer to sense buffer. | |
1352 | */ | |
1353 | void * | |
1354 | mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1355 | { | |
1356 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
1357 | } | |
1358 | ||
1359 | /** | |
1360 | * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request | |
1361 | * @ioc: per adapter object | |
1362 | * @smid: system request message index | |
1363 | * | |
ec9472c7 | 1364 | * Returns phys pointer to the low 32bit address of the sense buffer. |
635374e7 | 1365 | */ |
ec9472c7 | 1366 | __le32 |
635374e7 EM |
1367 | mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
1368 | { | |
ec9472c7 KD |
1369 | return cpu_to_le32(ioc->sense_dma + |
1370 | ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
635374e7 EM |
1371 | } |
1372 | ||
1373 | /** | |
1374 | * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address | |
1375 | * @ioc: per adapter object | |
1376 | * @phys_addr: lower 32 physical addr of the reply | |
1377 | * | |
1378 | * Converts 32bit lower physical addr into a virt address. | |
1379 | */ | |
1380 | void * | |
1381 | mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) | |
1382 | { | |
1383 | if (!phys_addr) | |
1384 | return NULL; | |
1385 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); | |
1386 | } | |
1387 | ||
1388 | /** | |
595bb0bd | 1389 | * mpt2sas_base_get_smid - obtain a free smid from internal queue |
635374e7 EM |
1390 | * @ioc: per adapter object |
1391 | * @cb_idx: callback index | |
1392 | * | |
1393 | * Returns smid (zero is invalid) | |
1394 | */ | |
1395 | u16 | |
1396 | mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1397 | { | |
1398 | unsigned long flags; | |
1399 | struct request_tracker *request; | |
1400 | u16 smid; | |
1401 | ||
595bb0bd KD |
1402 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1403 | if (list_empty(&ioc->internal_free_list)) { | |
1404 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1405 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1406 | ioc->name, __func__); | |
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | request = list_entry(ioc->internal_free_list.next, | |
1411 | struct request_tracker, tracker_list); | |
1412 | request->cb_idx = cb_idx; | |
1413 | smid = request->smid; | |
1414 | list_del(&request->tracker_list); | |
1415 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1416 | return smid; | |
1417 | } | |
1418 | ||
1419 | /** | |
1420 | * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue | |
1421 | * @ioc: per adapter object | |
1422 | * @cb_idx: callback index | |
1423 | * @scmd: pointer to scsi command object | |
1424 | * | |
1425 | * Returns smid (zero is invalid) | |
1426 | */ | |
1427 | u16 | |
1428 | mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, | |
1429 | struct scsi_cmnd *scmd) | |
1430 | { | |
1431 | unsigned long flags; | |
d5bd3491 | 1432 | struct scsiio_tracker *request; |
595bb0bd KD |
1433 | u16 smid; |
1434 | ||
635374e7 EM |
1435 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1436 | if (list_empty(&ioc->free_list)) { | |
1437 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1438 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1439 | ioc->name, __func__); | |
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | request = list_entry(ioc->free_list.next, | |
d5bd3491 | 1444 | struct scsiio_tracker, tracker_list); |
595bb0bd KD |
1445 | request->scmd = scmd; |
1446 | request->cb_idx = cb_idx; | |
1447 | smid = request->smid; | |
1448 | list_del(&request->tracker_list); | |
1449 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1450 | return smid; | |
1451 | } | |
1452 | ||
1453 | /** | |
1454 | * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue | |
1455 | * @ioc: per adapter object | |
1456 | * @cb_idx: callback index | |
1457 | * | |
1458 | * Returns smid (zero is invalid) | |
1459 | */ | |
1460 | u16 | |
1461 | mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1462 | { | |
1463 | unsigned long flags; | |
1464 | struct request_tracker *request; | |
1465 | u16 smid; | |
1466 | ||
1467 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1468 | if (list_empty(&ioc->hpr_free_list)) { | |
1469 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1470 | return 0; | |
1471 | } | |
1472 | ||
1473 | request = list_entry(ioc->hpr_free_list.next, | |
1474 | struct request_tracker, tracker_list); | |
635374e7 EM |
1475 | request->cb_idx = cb_idx; |
1476 | smid = request->smid; | |
1477 | list_del(&request->tracker_list); | |
1478 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1479 | return smid; | |
1480 | } | |
1481 | ||
1482 | ||
1483 | /** | |
1484 | * mpt2sas_base_free_smid - put smid back on free_list | |
1485 | * @ioc: per adapter object | |
1486 | * @smid: system request message index | |
1487 | * | |
1488 | * Return nothing. | |
1489 | */ | |
1490 | void | |
1491 | mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1492 | { | |
1493 | unsigned long flags; | |
595bb0bd | 1494 | int i; |
35f805b5 | 1495 | struct chain_tracker *chain_req, *next; |
635374e7 EM |
1496 | |
1497 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
d5bd3491 KD |
1498 | if (smid < ioc->hi_priority_smid) { |
1499 | /* scsiio queue */ | |
1500 | i = smid - 1; | |
1501 | if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { | |
1502 | list_for_each_entry_safe(chain_req, next, | |
1503 | &ioc->scsi_lookup[i].chain_list, tracker_list) { | |
1504 | list_del_init(&chain_req->tracker_list); | |
1505 | list_add_tail(&chain_req->tracker_list, | |
1506 | &ioc->free_chain_list); | |
1507 | } | |
595bb0bd | 1508 | } |
d5bd3491 KD |
1509 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
1510 | ioc->scsi_lookup[i].scmd = NULL; | |
1511 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, | |
1512 | &ioc->free_list); | |
595bb0bd | 1513 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
595bb0bd | 1514 | |
d5bd3491 KD |
1515 | /* |
1516 | * See _wait_for_commands_to_complete() call with regards | |
1517 | * to this code. | |
1518 | */ | |
1519 | if (ioc->shost_recovery && ioc->pending_io_count) { | |
1520 | if (ioc->pending_io_count == 1) | |
1521 | wake_up(&ioc->reset_wq); | |
1522 | ioc->pending_io_count--; | |
35f805b5 | 1523 | } |
d5bd3491 KD |
1524 | return; |
1525 | } else if (smid < ioc->internal_smid) { | |
1526 | /* hi-priority */ | |
1527 | i = smid - ioc->hi_priority_smid; | |
1528 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
1529 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
1530 | &ioc->hpr_free_list); | |
1531 | } else if (smid <= ioc->hba_queue_depth) { | |
1532 | /* internal queue */ | |
1533 | i = smid - ioc->internal_smid; | |
1534 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
1535 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
1536 | &ioc->internal_free_list); | |
35f805b5 | 1537 | } |
635374e7 | 1538 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
635374e7 EM |
1539 | } |
1540 | ||
1541 | /** | |
1542 | * _base_writeq - 64 bit write to MMIO | |
1543 | * @ioc: per adapter object | |
1544 | * @b: data payload | |
1545 | * @addr: address in MMIO space | |
1546 | * @writeq_lock: spin lock | |
1547 | * | |
1548 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes | |
1549 | * care of 32 bit environment where its not quarenteed to send the entire word | |
1550 | * in one transfer. | |
1551 | */ | |
1552 | #ifndef writeq | |
1553 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1554 | spinlock_t *writeq_lock) | |
1555 | { | |
1556 | unsigned long flags; | |
1557 | __u64 data_out = cpu_to_le64(b); | |
1558 | ||
1559 | spin_lock_irqsave(writeq_lock, flags); | |
1560 | writel((u32)(data_out), addr); | |
1561 | writel((u32)(data_out >> 32), (addr + 4)); | |
1562 | spin_unlock_irqrestore(writeq_lock, flags); | |
1563 | } | |
1564 | #else | |
1565 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1566 | spinlock_t *writeq_lock) | |
1567 | { | |
1568 | writeq(cpu_to_le64(b), addr); | |
1569 | } | |
1570 | #endif | |
1571 | ||
1572 | /** | |
1573 | * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware | |
1574 | * @ioc: per adapter object | |
1575 | * @smid: system request message index | |
635374e7 EM |
1576 | * @handle: device handle |
1577 | * | |
1578 | * Return nothing. | |
1579 | */ | |
1580 | void | |
7b936b02 | 1581 | mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) |
635374e7 EM |
1582 | { |
1583 | Mpi2RequestDescriptorUnion_t descriptor; | |
1584 | u64 *request = (u64 *)&descriptor; | |
1585 | ||
1586 | ||
1587 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; | |
7b936b02 | 1588 | descriptor.SCSIIO.MSIxIndex = 0; /* TODO */ |
635374e7 EM |
1589 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); |
1590 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
1591 | descriptor.SCSIIO.LMID = 0; | |
1592 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1593 | &ioc->scsi_lookup_lock); | |
1594 | } | |
1595 | ||
1596 | ||
1597 | /** | |
25985edc | 1598 | * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware |
635374e7 EM |
1599 | * @ioc: per adapter object |
1600 | * @smid: system request message index | |
635374e7 EM |
1601 | * |
1602 | * Return nothing. | |
1603 | */ | |
1604 | void | |
7b936b02 | 1605 | mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1606 | { |
1607 | Mpi2RequestDescriptorUnion_t descriptor; | |
1608 | u64 *request = (u64 *)&descriptor; | |
1609 | ||
1610 | descriptor.HighPriority.RequestFlags = | |
1611 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; | |
7b936b02 | 1612 | descriptor.HighPriority.MSIxIndex = 0; /* TODO */ |
635374e7 EM |
1613 | descriptor.HighPriority.SMID = cpu_to_le16(smid); |
1614 | descriptor.HighPriority.LMID = 0; | |
1615 | descriptor.HighPriority.Reserved1 = 0; | |
1616 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1617 | &ioc->scsi_lookup_lock); | |
1618 | } | |
1619 | ||
1620 | /** | |
1621 | * mpt2sas_base_put_smid_default - Default, primarily used for config pages | |
1622 | * @ioc: per adapter object | |
1623 | * @smid: system request message index | |
635374e7 EM |
1624 | * |
1625 | * Return nothing. | |
1626 | */ | |
1627 | void | |
7b936b02 | 1628 | mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1629 | { |
1630 | Mpi2RequestDescriptorUnion_t descriptor; | |
1631 | u64 *request = (u64 *)&descriptor; | |
1632 | ||
1633 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; | |
7b936b02 | 1634 | descriptor.Default.MSIxIndex = 0; /* TODO */ |
635374e7 EM |
1635 | descriptor.Default.SMID = cpu_to_le16(smid); |
1636 | descriptor.Default.LMID = 0; | |
1637 | descriptor.Default.DescriptorTypeDependent = 0; | |
1638 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1639 | &ioc->scsi_lookup_lock); | |
1640 | } | |
1641 | ||
1642 | /** | |
1643 | * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware | |
1644 | * @ioc: per adapter object | |
1645 | * @smid: system request message index | |
635374e7 EM |
1646 | * @io_index: value used to track the IO |
1647 | * | |
1648 | * Return nothing. | |
1649 | */ | |
1650 | void | |
1651 | mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
7b936b02 | 1652 | u16 io_index) |
635374e7 EM |
1653 | { |
1654 | Mpi2RequestDescriptorUnion_t descriptor; | |
1655 | u64 *request = (u64 *)&descriptor; | |
1656 | ||
1657 | descriptor.SCSITarget.RequestFlags = | |
1658 | MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; | |
7b936b02 | 1659 | descriptor.SCSITarget.MSIxIndex = 0; /* TODO */ |
635374e7 EM |
1660 | descriptor.SCSITarget.SMID = cpu_to_le16(smid); |
1661 | descriptor.SCSITarget.LMID = 0; | |
1662 | descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); | |
1663 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1664 | &ioc->scsi_lookup_lock); | |
1665 | } | |
1666 | ||
f0f9cc1f EM |
1667 | /** |
1668 | * _base_display_dell_branding - Disply branding string | |
1669 | * @ioc: per adapter object | |
1670 | * | |
1671 | * Return nothing. | |
1672 | */ | |
1673 | static void | |
1674 | _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) | |
1675 | { | |
1676 | char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; | |
1677 | ||
1678 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) | |
1679 | return; | |
1680 | ||
1681 | memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); | |
1682 | switch (ioc->pdev->subsystem_device) { | |
1683 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: | |
1684 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, | |
1685 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1686 | break; | |
1687 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: | |
1688 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, | |
1689 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1690 | break; | |
1691 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: | |
1692 | strncpy(dell_branding, | |
1693 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, | |
1694 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1695 | break; | |
1696 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: | |
1697 | strncpy(dell_branding, | |
1698 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, | |
1699 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1700 | break; | |
1701 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: | |
1702 | strncpy(dell_branding, | |
1703 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, | |
1704 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1705 | break; | |
1706 | case MPT2SAS_DELL_PERC_H200_SSDID: | |
1707 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, | |
1708 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1709 | break; | |
1710 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: | |
1711 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, | |
1712 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1713 | break; | |
1714 | default: | |
1715 | sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); | |
1716 | break; | |
1717 | } | |
1718 | ||
1719 | printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," | |
1720 | " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, | |
1721 | ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, | |
1722 | ioc->pdev->subsystem_device); | |
1723 | } | |
1724 | ||
fb396bec KD |
1725 | /** |
1726 | * _base_display_intel_branding - Display branding string | |
1727 | * @ioc: per adapter object | |
1728 | * | |
1729 | * Return nothing. | |
1730 | */ | |
1731 | static void | |
1732 | _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) | |
1733 | { | |
1734 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_INTEL && | |
1735 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008) { | |
1736 | ||
1737 | switch (ioc->pdev->subsystem_device) { | |
1738 | case MPT2SAS_INTEL_RMS2LL080_SSDID: | |
1739 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1740 | MPT2SAS_INTEL_RMS2LL080_BRANDING); | |
1741 | break; | |
1742 | case MPT2SAS_INTEL_RMS2LL040_SSDID: | |
1743 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1744 | MPT2SAS_INTEL_RMS2LL040_BRANDING); | |
1745 | break; | |
1746 | } | |
1747 | } | |
1748 | } | |
1749 | ||
0a2385ce KD |
1750 | /** |
1751 | * _base_display_hp_branding - Display branding string | |
1752 | * @ioc: per adapter object | |
1753 | * | |
1754 | * Return nothing. | |
1755 | */ | |
1756 | static void | |
1757 | _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) | |
1758 | { | |
1759 | if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) | |
1760 | return; | |
1761 | ||
1762 | switch (ioc->pdev->device) { | |
1763 | case MPI2_MFGPAGE_DEVID_SAS2004: | |
1764 | switch (ioc->pdev->subsystem_device) { | |
1765 | case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: | |
1766 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1767 | MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); | |
1768 | break; | |
1769 | default: | |
1770 | break; | |
1771 | } | |
1772 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
1773 | switch (ioc->pdev->subsystem_device) { | |
1774 | case MPT2SAS_HP_2_4_INTERNAL_SSDID: | |
1775 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1776 | MPT2SAS_HP_2_4_INTERNAL_BRANDING); | |
1777 | break; | |
1778 | case MPT2SAS_HP_2_4_EXTERNAL_SSDID: | |
1779 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1780 | MPT2SAS_HP_2_4_EXTERNAL_BRANDING); | |
1781 | break; | |
1782 | case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: | |
1783 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1784 | MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); | |
1785 | break; | |
1786 | case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: | |
1787 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1788 | MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); | |
1789 | break; | |
1790 | default: | |
1791 | break; | |
1792 | } | |
1793 | default: | |
1794 | break; | |
1795 | } | |
1796 | } | |
1797 | ||
635374e7 EM |
1798 | /** |
1799 | * _base_display_ioc_capabilities - Disply IOC's capabilities. | |
1800 | * @ioc: per adapter object | |
1801 | * | |
1802 | * Return nothing. | |
1803 | */ | |
1804 | static void | |
1805 | _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) | |
1806 | { | |
1807 | int i = 0; | |
1808 | char desc[16]; | |
1809 | u8 revision; | |
1810 | u32 iounit_pg1_flags; | |
1811 | ||
1812 | pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); | |
1813 | strncpy(desc, ioc->manu_pg0.ChipName, 16); | |
1814 | printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " | |
1815 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", | |
1816 | ioc->name, desc, | |
1817 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
1818 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
1819 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
1820 | ioc->facts.FWVersion.Word & 0x000000FF, | |
1821 | revision, | |
1822 | (ioc->bios_pg3.BiosVersion & 0xFF000000) >> 24, | |
1823 | (ioc->bios_pg3.BiosVersion & 0x00FF0000) >> 16, | |
1824 | (ioc->bios_pg3.BiosVersion & 0x0000FF00) >> 8, | |
1825 | ioc->bios_pg3.BiosVersion & 0x000000FF); | |
1826 | ||
ed79f128 | 1827 | _base_display_dell_branding(ioc); |
fb396bec | 1828 | _base_display_intel_branding(ioc); |
0a2385ce | 1829 | _base_display_hp_branding(ioc); |
ed79f128 | 1830 | |
635374e7 EM |
1831 | printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); |
1832 | ||
1833 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { | |
1834 | printk("Initiator"); | |
1835 | i++; | |
1836 | } | |
1837 | ||
1838 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { | |
1839 | printk("%sTarget", i ? "," : ""); | |
1840 | i++; | |
1841 | } | |
1842 | ||
1843 | i = 0; | |
1844 | printk("), "); | |
1845 | printk("Capabilities=("); | |
1846 | ||
1847 | if (ioc->facts.IOCCapabilities & | |
1848 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { | |
1849 | printk("Raid"); | |
1850 | i++; | |
1851 | } | |
1852 | ||
1853 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { | |
1854 | printk("%sTLR", i ? "," : ""); | |
1855 | i++; | |
1856 | } | |
1857 | ||
1858 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { | |
1859 | printk("%sMulticast", i ? "," : ""); | |
1860 | i++; | |
1861 | } | |
1862 | ||
1863 | if (ioc->facts.IOCCapabilities & | |
1864 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { | |
1865 | printk("%sBIDI Target", i ? "," : ""); | |
1866 | i++; | |
1867 | } | |
1868 | ||
1869 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { | |
1870 | printk("%sEEDP", i ? "," : ""); | |
1871 | i++; | |
1872 | } | |
1873 | ||
1874 | if (ioc->facts.IOCCapabilities & | |
1875 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { | |
1876 | printk("%sSnapshot Buffer", i ? "," : ""); | |
1877 | i++; | |
1878 | } | |
1879 | ||
1880 | if (ioc->facts.IOCCapabilities & | |
1881 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { | |
1882 | printk("%sDiag Trace Buffer", i ? "," : ""); | |
1883 | i++; | |
1884 | } | |
1885 | ||
1b01fe3a KD |
1886 | if (ioc->facts.IOCCapabilities & |
1887 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { | |
1888 | printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); | |
1889 | i++; | |
1890 | } | |
1891 | ||
635374e7 EM |
1892 | if (ioc->facts.IOCCapabilities & |
1893 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { | |
1894 | printk("%sTask Set Full", i ? "," : ""); | |
1895 | i++; | |
1896 | } | |
1897 | ||
1898 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
1899 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { | |
1900 | printk("%sNCQ", i ? "," : ""); | |
1901 | i++; | |
1902 | } | |
1903 | ||
1904 | printk(")\n"); | |
1905 | } | |
1906 | ||
6cb8ef57 KD |
1907 | /** |
1908 | * _base_update_missing_delay - change the missing delay timers | |
1909 | * @ioc: per adapter object | |
1910 | * @device_missing_delay: amount of time till device is reported missing | |
1911 | * @io_missing_delay: interval IO is returned when there is a missing device | |
1912 | * | |
1913 | * Return nothing. | |
1914 | * | |
1915 | * Passed on the command line, this function will modify the device missing | |
1916 | * delay, as well as the io missing delay. This should be called at driver | |
1917 | * load time. | |
1918 | */ | |
1919 | static void | |
1920 | _base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, | |
1921 | u16 device_missing_delay, u8 io_missing_delay) | |
1922 | { | |
1923 | u16 dmd, dmd_new, dmd_orignal; | |
1924 | u8 io_missing_delay_original; | |
1925 | u16 sz; | |
1926 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
1927 | Mpi2ConfigReply_t mpi_reply; | |
1928 | u8 num_phys = 0; | |
1929 | u16 ioc_status; | |
1930 | ||
1931 | mpt2sas_config_get_number_hba_phys(ioc, &num_phys); | |
1932 | if (!num_phys) | |
1933 | return; | |
1934 | ||
1935 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * | |
1936 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1937 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1938 | if (!sas_iounit_pg1) { | |
1939 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1940 | ioc->name, __FILE__, __LINE__, __func__); | |
1941 | goto out; | |
1942 | } | |
1943 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1944 | sas_iounit_pg1, sz))) { | |
1945 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1946 | ioc->name, __FILE__, __LINE__, __func__); | |
1947 | goto out; | |
1948 | } | |
1949 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1950 | MPI2_IOCSTATUS_MASK; | |
1951 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1952 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1953 | ioc->name, __FILE__, __LINE__, __func__); | |
1954 | goto out; | |
1955 | } | |
1956 | ||
1957 | /* device missing delay */ | |
1958 | dmd = sas_iounit_pg1->ReportDeviceMissingDelay; | |
1959 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
1960 | dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
1961 | else | |
1962 | dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
1963 | dmd_orignal = dmd; | |
1964 | if (device_missing_delay > 0x7F) { | |
1965 | dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : | |
1966 | device_missing_delay; | |
1967 | dmd = dmd / 16; | |
1968 | dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; | |
1969 | } else | |
1970 | dmd = device_missing_delay; | |
1971 | sas_iounit_pg1->ReportDeviceMissingDelay = dmd; | |
1972 | ||
1973 | /* io missing delay */ | |
1974 | io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; | |
1975 | sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; | |
1976 | ||
1977 | if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
1978 | sz)) { | |
1979 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
1980 | dmd_new = (dmd & | |
1981 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
1982 | else | |
1983 | dmd_new = | |
1984 | dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
1985 | printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " | |
1986 | "new(%d)\n", ioc->name, dmd_orignal, dmd_new); | |
1987 | printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " | |
1988 | "new(%d)\n", ioc->name, io_missing_delay_original, | |
1989 | io_missing_delay); | |
1990 | ioc->device_missing_delay = dmd_new; | |
1991 | ioc->io_missing_delay = io_missing_delay; | |
1992 | } | |
1993 | ||
1994 | out: | |
1995 | kfree(sas_iounit_pg1); | |
1996 | } | |
1997 | ||
635374e7 EM |
1998 | /** |
1999 | * _base_static_config_pages - static start of day config pages | |
2000 | * @ioc: per adapter object | |
2001 | * | |
2002 | * Return nothing. | |
2003 | */ | |
2004 | static void | |
2005 | _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) | |
2006 | { | |
2007 | Mpi2ConfigReply_t mpi_reply; | |
2008 | u32 iounit_pg1_flags; | |
2009 | ||
2010 | mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); | |
ed79f128 KD |
2011 | if (ioc->ir_firmware) |
2012 | mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, | |
2013 | &ioc->manu_pg10); | |
635374e7 EM |
2014 | mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); |
2015 | mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); | |
2016 | mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); | |
2017 | mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); | |
2018 | mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
2019 | _base_display_ioc_capabilities(ioc); | |
2020 | ||
2021 | /* | |
2022 | * Enable task_set_full handling in iounit_pg1 when the | |
2023 | * facts capabilities indicate that its supported. | |
2024 | */ | |
2025 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2026 | if ((ioc->facts.IOCCapabilities & | |
2027 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) | |
2028 | iounit_pg1_flags &= | |
2029 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2030 | else | |
2031 | iounit_pg1_flags |= | |
2032 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2033 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); | |
5b768581 | 2034 | mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); |
6cb8ef57 | 2035 | |
635374e7 EM |
2036 | } |
2037 | ||
2038 | /** | |
2039 | * _base_release_memory_pools - release memory | |
2040 | * @ioc: per adapter object | |
2041 | * | |
2042 | * Free memory allocated from _base_allocate_memory_pools. | |
2043 | * | |
2044 | * Return nothing. | |
2045 | */ | |
2046 | static void | |
2047 | _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) | |
2048 | { | |
35f805b5 KD |
2049 | int i; |
2050 | ||
eabb08ad | 2051 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2052 | __func__)); |
2053 | ||
2054 | if (ioc->request) { | |
2055 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, | |
2056 | ioc->request, ioc->request_dma); | |
2057 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" | |
2058 | ": free\n", ioc->name, ioc->request)); | |
2059 | ioc->request = NULL; | |
2060 | } | |
2061 | ||
2062 | if (ioc->sense) { | |
2063 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); | |
2064 | if (ioc->sense_dma_pool) | |
2065 | pci_pool_destroy(ioc->sense_dma_pool); | |
2066 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" | |
2067 | ": free\n", ioc->name, ioc->sense)); | |
2068 | ioc->sense = NULL; | |
2069 | } | |
2070 | ||
2071 | if (ioc->reply) { | |
2072 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); | |
2073 | if (ioc->reply_dma_pool) | |
2074 | pci_pool_destroy(ioc->reply_dma_pool); | |
2075 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" | |
2076 | ": free\n", ioc->name, ioc->reply)); | |
2077 | ioc->reply = NULL; | |
2078 | } | |
2079 | ||
2080 | if (ioc->reply_free) { | |
2081 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, | |
2082 | ioc->reply_free_dma); | |
2083 | if (ioc->reply_free_dma_pool) | |
2084 | pci_pool_destroy(ioc->reply_free_dma_pool); | |
2085 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" | |
2086 | "(0x%p): free\n", ioc->name, ioc->reply_free)); | |
2087 | ioc->reply_free = NULL; | |
2088 | } | |
2089 | ||
2090 | if (ioc->reply_post_free) { | |
2091 | pci_pool_free(ioc->reply_post_free_dma_pool, | |
2092 | ioc->reply_post_free, ioc->reply_post_free_dma); | |
2093 | if (ioc->reply_post_free_dma_pool) | |
2094 | pci_pool_destroy(ioc->reply_post_free_dma_pool); | |
2095 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2096 | "reply_post_free_pool(0x%p): free\n", ioc->name, | |
2097 | ioc->reply_post_free)); | |
2098 | ioc->reply_post_free = NULL; | |
2099 | } | |
2100 | ||
2101 | if (ioc->config_page) { | |
2102 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2103 | "config_page(0x%p): free\n", ioc->name, | |
2104 | ioc->config_page)); | |
2105 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, | |
2106 | ioc->config_page, ioc->config_page_dma); | |
2107 | } | |
2108 | ||
66a67936 KD |
2109 | if (ioc->scsi_lookup) { |
2110 | free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); | |
2111 | ioc->scsi_lookup = NULL; | |
2112 | } | |
595bb0bd KD |
2113 | kfree(ioc->hpr_lookup); |
2114 | kfree(ioc->internal_lookup); | |
35f805b5 KD |
2115 | if (ioc->chain_lookup) { |
2116 | for (i = 0; i < ioc->chain_depth; i++) { | |
2117 | if (ioc->chain_lookup[i].chain_buffer) | |
2118 | pci_pool_free(ioc->chain_dma_pool, | |
2119 | ioc->chain_lookup[i].chain_buffer, | |
2120 | ioc->chain_lookup[i].chain_buffer_dma); | |
2121 | } | |
2122 | if (ioc->chain_dma_pool) | |
2123 | pci_pool_destroy(ioc->chain_dma_pool); | |
2124 | } | |
2125 | if (ioc->chain_lookup) { | |
2126 | free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); | |
2127 | ioc->chain_lookup = NULL; | |
2128 | } | |
635374e7 EM |
2129 | } |
2130 | ||
2131 | ||
2132 | /** | |
2133 | * _base_allocate_memory_pools - allocate start of day memory pools | |
2134 | * @ioc: per adapter object | |
2135 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2136 | * | |
2137 | * Returns 0 success, anything else error | |
2138 | */ | |
2139 | static int | |
2140 | _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
2141 | { | |
2142 | Mpi2IOCFactsReply_t *facts; | |
2143 | u32 queue_size, queue_diff; | |
2144 | u16 max_sge_elements; | |
2145 | u16 num_of_reply_frames; | |
2146 | u16 chains_needed_per_io; | |
2147 | u32 sz, total_sz; | |
635374e7 EM |
2148 | u32 retry_sz; |
2149 | u16 max_request_credit; | |
35f805b5 | 2150 | int i; |
635374e7 | 2151 | |
eabb08ad | 2152 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2153 | __func__)); |
2154 | ||
2155 | retry_sz = 0; | |
2156 | facts = &ioc->facts; | |
2157 | ||
2158 | /* command line tunables for max sgl entries */ | |
2159 | if (max_sgl_entries != -1) { | |
2160 | ioc->shost->sg_tablesize = (max_sgl_entries < | |
2161 | MPT2SAS_SG_DEPTH) ? max_sgl_entries : | |
2162 | MPT2SAS_SG_DEPTH; | |
2163 | } else { | |
2164 | ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; | |
2165 | } | |
2166 | ||
2167 | /* command line tunables for max controller queue depth */ | |
35f805b5 | 2168 | if (max_queue_depth != -1) |
635374e7 EM |
2169 | max_request_credit = (max_queue_depth < facts->RequestCredit) |
2170 | ? max_queue_depth : facts->RequestCredit; | |
35f805b5 KD |
2171 | else |
2172 | max_request_credit = facts->RequestCredit; | |
595bb0bd KD |
2173 | |
2174 | ioc->hba_queue_depth = max_request_credit; | |
2175 | ioc->hi_priority_depth = facts->HighPriorityCredit; | |
2176 | ioc->internal_depth = ioc->hi_priority_depth + 5; | |
635374e7 EM |
2177 | |
2178 | /* request frame size */ | |
2179 | ioc->request_sz = facts->IOCRequestFrameSize * 4; | |
2180 | ||
2181 | /* reply frame size */ | |
2182 | ioc->reply_sz = facts->ReplyFrameSize * 4; | |
2183 | ||
2184 | retry_allocation: | |
2185 | total_sz = 0; | |
2186 | /* calculate number of sg elements left over in the 1st frame */ | |
2187 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - | |
2188 | sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); | |
2189 | ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; | |
2190 | ||
2191 | /* now do the same for a chain buffer */ | |
2192 | max_sge_elements = ioc->request_sz - ioc->sge_size; | |
2193 | ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; | |
2194 | ||
2195 | ioc->chain_offset_value_for_main_message = | |
2196 | ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + | |
2197 | (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; | |
2198 | ||
2199 | /* | |
2200 | * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE | |
2201 | */ | |
2202 | chains_needed_per_io = ((ioc->shost->sg_tablesize - | |
2203 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) | |
2204 | + 1; | |
2205 | if (chains_needed_per_io > facts->MaxChainDepth) { | |
2206 | chains_needed_per_io = facts->MaxChainDepth; | |
2207 | ioc->shost->sg_tablesize = min_t(u16, | |
2208 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message | |
2209 | * chains_needed_per_io), ioc->shost->sg_tablesize); | |
2210 | } | |
2211 | ioc->chains_needed_per_io = chains_needed_per_io; | |
2212 | ||
2213 | /* reply free queue sizing - taking into account for events */ | |
595bb0bd | 2214 | num_of_reply_frames = ioc->hba_queue_depth + 32; |
635374e7 EM |
2215 | |
2216 | /* number of replies frames can't be a multiple of 16 */ | |
2217 | /* decrease number of reply frames by 1 */ | |
2218 | if (!(num_of_reply_frames % 16)) | |
2219 | num_of_reply_frames--; | |
2220 | ||
2221 | /* calculate number of reply free queue entries | |
2222 | * (must be multiple of 16) | |
2223 | */ | |
2224 | ||
2225 | /* (we know reply_free_queue_depth is not a multiple of 16) */ | |
2226 | queue_size = num_of_reply_frames; | |
2227 | queue_size += 16 - (queue_size % 16); | |
2228 | ioc->reply_free_queue_depth = queue_size; | |
2229 | ||
2230 | /* reply descriptor post queue sizing */ | |
2231 | /* this size should be the number of request frames + number of reply | |
2232 | * frames | |
2233 | */ | |
2234 | ||
595bb0bd | 2235 | queue_size = ioc->hba_queue_depth + num_of_reply_frames + 1; |
635374e7 EM |
2236 | /* round up to 16 byte boundary */ |
2237 | if (queue_size % 16) | |
2238 | queue_size += 16 - (queue_size % 16); | |
2239 | ||
2240 | /* check against IOC maximum reply post queue depth */ | |
2241 | if (queue_size > facts->MaxReplyDescriptorPostQueueDepth) { | |
2242 | queue_diff = queue_size - | |
2243 | facts->MaxReplyDescriptorPostQueueDepth; | |
2244 | ||
2245 | /* round queue_diff up to multiple of 16 */ | |
2246 | if (queue_diff % 16) | |
2247 | queue_diff += 16 - (queue_diff % 16); | |
2248 | ||
595bb0bd | 2249 | /* adjust hba_queue_depth, reply_free_queue_depth, |
635374e7 EM |
2250 | * and queue_size |
2251 | */ | |
11e1b961 KD |
2252 | ioc->hba_queue_depth -= (queue_diff / 2); |
2253 | ioc->reply_free_queue_depth -= (queue_diff / 2); | |
2254 | queue_size = facts->MaxReplyDescriptorPostQueueDepth; | |
635374e7 EM |
2255 | } |
2256 | ioc->reply_post_queue_depth = queue_size; | |
2257 | ||
635374e7 EM |
2258 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " |
2259 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " | |
2260 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, | |
2261 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, | |
2262 | ioc->chains_needed_per_io)); | |
2263 | ||
595bb0bd KD |
2264 | ioc->scsiio_depth = ioc->hba_queue_depth - |
2265 | ioc->hi_priority_depth - ioc->internal_depth; | |
2266 | ||
2267 | /* set the scsi host can_queue depth | |
2268 | * with some internal commands that could be outstanding | |
2269 | */ | |
2270 | ioc->shost->can_queue = ioc->scsiio_depth - (2); | |
2271 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " | |
2272 | "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); | |
2273 | ||
635374e7 EM |
2274 | /* contiguous pool for request and chains, 16 byte align, one extra " |
2275 | * "frame for smid=0 | |
2276 | */ | |
595bb0bd | 2277 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; |
35f805b5 | 2278 | sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); |
595bb0bd KD |
2279 | |
2280 | /* hi-priority queue */ | |
2281 | sz += (ioc->hi_priority_depth * ioc->request_sz); | |
2282 | ||
2283 | /* internal queue */ | |
2284 | sz += (ioc->internal_depth * ioc->request_sz); | |
635374e7 EM |
2285 | |
2286 | ioc->request_dma_sz = sz; | |
2287 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); | |
2288 | if (!ioc->request) { | |
2289 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2290 | "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2291 | "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 | 2292 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
595bb0bd | 2293 | if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) |
635374e7 EM |
2294 | goto out; |
2295 | retry_sz += 64; | |
595bb0bd | 2296 | ioc->hba_queue_depth = max_request_credit - retry_sz; |
635374e7 EM |
2297 | goto retry_allocation; |
2298 | } | |
2299 | ||
2300 | if (retry_sz) | |
2301 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2302 | "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2303 | "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 EM |
2304 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
2305 | ||
595bb0bd KD |
2306 | |
2307 | /* hi-priority queue */ | |
2308 | ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * | |
635374e7 | 2309 | ioc->request_sz); |
595bb0bd KD |
2310 | ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * |
2311 | ioc->request_sz); | |
2312 | ||
2313 | /* internal queue */ | |
2314 | ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * | |
635374e7 | 2315 | ioc->request_sz); |
595bb0bd KD |
2316 | ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * |
2317 | ioc->request_sz); | |
2318 | ||
595bb0bd | 2319 | |
635374e7 EM |
2320 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " |
2321 | "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
595bb0bd KD |
2322 | ioc->request, ioc->hba_queue_depth, ioc->request_sz, |
2323 | (ioc->hba_queue_depth * ioc->request_sz)/1024)); | |
635374e7 EM |
2324 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", |
2325 | ioc->name, (unsigned long long) ioc->request_dma)); | |
2326 | total_sz += sz; | |
2327 | ||
d5bd3491 | 2328 | sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); |
89009fbb | 2329 | ioc->scsi_lookup_pages = get_order(sz); |
d5bd3491 | 2330 | ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( |
89009fbb | 2331 | GFP_KERNEL, ioc->scsi_lookup_pages); |
635374e7 | 2332 | if (!ioc->scsi_lookup) { |
89009fbb KD |
2333 | printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " |
2334 | "sz(%d)\n", ioc->name, (int)sz); | |
635374e7 EM |
2335 | goto out; |
2336 | } | |
2337 | ||
595bb0bd KD |
2338 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " |
2339 | "depth(%d)\n", ioc->name, ioc->request, | |
2340 | ioc->scsiio_depth)); | |
2341 | ||
35f805b5 KD |
2342 | /* loop till the allocation succeeds */ |
2343 | do { | |
2344 | sz = ioc->chain_depth * sizeof(struct chain_tracker); | |
2345 | ioc->chain_pages = get_order(sz); | |
2346 | ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( | |
2347 | GFP_KERNEL, ioc->chain_pages); | |
2348 | if (ioc->chain_lookup == NULL) | |
2349 | ioc->chain_depth -= 100; | |
2350 | } while (ioc->chain_lookup == NULL); | |
2351 | ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, | |
2352 | ioc->request_sz, 16, 0); | |
2353 | if (!ioc->chain_dma_pool) { | |
2354 | printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " | |
2355 | "failed\n", ioc->name); | |
2356 | goto out; | |
2357 | } | |
2358 | for (i = 0; i < ioc->chain_depth; i++) { | |
2359 | ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( | |
2360 | ioc->chain_dma_pool , GFP_KERNEL, | |
2361 | &ioc->chain_lookup[i].chain_buffer_dma); | |
2362 | if (!ioc->chain_lookup[i].chain_buffer) { | |
2363 | ioc->chain_depth = i; | |
2364 | goto chain_done; | |
2365 | } | |
2366 | total_sz += ioc->request_sz; | |
2367 | } | |
2368 | chain_done: | |
2369 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" | |
2370 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
2371 | ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * | |
2372 | ioc->request_sz))/1024)); | |
2373 | ||
595bb0bd KD |
2374 | /* initialize hi-priority queue smid's */ |
2375 | ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, | |
2376 | sizeof(struct request_tracker), GFP_KERNEL); | |
2377 | if (!ioc->hpr_lookup) { | |
2378 | printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", | |
2379 | ioc->name); | |
2380 | goto out; | |
2381 | } | |
2382 | ioc->hi_priority_smid = ioc->scsiio_depth + 1; | |
2383 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " | |
2384 | "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, | |
2385 | ioc->hi_priority_depth, ioc->hi_priority_smid)); | |
2386 | ||
2387 | /* initialize internal queue smid's */ | |
2388 | ioc->internal_lookup = kcalloc(ioc->internal_depth, | |
2389 | sizeof(struct request_tracker), GFP_KERNEL); | |
2390 | if (!ioc->internal_lookup) { | |
2391 | printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", | |
2392 | ioc->name); | |
2393 | goto out; | |
2394 | } | |
2395 | ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; | |
2396 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " | |
2397 | "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, | |
2398 | ioc->internal_depth, ioc->internal_smid)); | |
635374e7 EM |
2399 | |
2400 | /* sense buffers, 4 byte align */ | |
595bb0bd | 2401 | sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; |
635374e7 EM |
2402 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, |
2403 | 0); | |
2404 | if (!ioc->sense_dma_pool) { | |
2405 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", | |
2406 | ioc->name); | |
2407 | goto out; | |
2408 | } | |
2409 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, | |
2410 | &ioc->sense_dma); | |
2411 | if (!ioc->sense) { | |
2412 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", | |
2413 | ioc->name); | |
2414 | goto out; | |
2415 | } | |
2416 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2417 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" | |
595bb0bd | 2418 | "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, |
635374e7 EM |
2419 | SCSI_SENSE_BUFFERSIZE, sz/1024)); |
2420 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", | |
2421 | ioc->name, (unsigned long long)ioc->sense_dma)); | |
2422 | total_sz += sz; | |
2423 | ||
2424 | /* reply pool, 4 byte align */ | |
2425 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; | |
2426 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, | |
2427 | 0); | |
2428 | if (!ioc->reply_dma_pool) { | |
2429 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", | |
2430 | ioc->name); | |
2431 | goto out; | |
2432 | } | |
2433 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, | |
2434 | &ioc->reply_dma); | |
2435 | if (!ioc->reply) { | |
2436 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", | |
2437 | ioc->name); | |
2438 | goto out; | |
2439 | } | |
dd3741d3 KD |
2440 | ioc->reply_dma_min_address = (u32)(ioc->reply_dma); |
2441 | ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; | |
635374e7 EM |
2442 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" |
2443 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, | |
2444 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); | |
2445 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", | |
2446 | ioc->name, (unsigned long long)ioc->reply_dma)); | |
2447 | total_sz += sz; | |
2448 | ||
2449 | /* reply free queue, 16 byte align */ | |
2450 | sz = ioc->reply_free_queue_depth * 4; | |
2451 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", | |
2452 | ioc->pdev, sz, 16, 0); | |
2453 | if (!ioc->reply_free_dma_pool) { | |
2454 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " | |
2455 | "failed\n", ioc->name); | |
2456 | goto out; | |
2457 | } | |
2458 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, | |
2459 | &ioc->reply_free_dma); | |
2460 | if (!ioc->reply_free) { | |
2461 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " | |
2462 | "failed\n", ioc->name); | |
2463 | goto out; | |
2464 | } | |
2465 | memset(ioc->reply_free, 0, sz); | |
2466 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " | |
2467 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, | |
2468 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); | |
2469 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" | |
2470 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); | |
2471 | total_sz += sz; | |
2472 | ||
2473 | /* reply post queue, 16 byte align */ | |
2474 | sz = ioc->reply_post_queue_depth * sizeof(Mpi2DefaultReplyDescriptor_t); | |
2475 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", | |
2476 | ioc->pdev, sz, 16, 0); | |
2477 | if (!ioc->reply_post_free_dma_pool) { | |
2478 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create " | |
2479 | "failed\n", ioc->name); | |
2480 | goto out; | |
2481 | } | |
2482 | ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool , | |
2483 | GFP_KERNEL, &ioc->reply_post_free_dma); | |
2484 | if (!ioc->reply_post_free) { | |
2485 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc " | |
2486 | "failed\n", ioc->name); | |
2487 | goto out; | |
2488 | } | |
2489 | memset(ioc->reply_post_free, 0, sz); | |
2490 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool" | |
2491 | "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n", | |
2492 | ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8, | |
2493 | sz/1024)); | |
2494 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = " | |
2495 | "(0x%llx)\n", ioc->name, (unsigned long long) | |
2496 | ioc->reply_post_free_dma)); | |
2497 | total_sz += sz; | |
2498 | ||
2499 | ioc->config_page_sz = 512; | |
2500 | ioc->config_page = pci_alloc_consistent(ioc->pdev, | |
2501 | ioc->config_page_sz, &ioc->config_page_dma); | |
2502 | if (!ioc->config_page) { | |
2503 | printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " | |
2504 | "failed\n", ioc->name); | |
2505 | goto out; | |
2506 | } | |
2507 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" | |
2508 | "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); | |
2509 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" | |
2510 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); | |
2511 | total_sz += ioc->config_page_sz; | |
2512 | ||
2513 | printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", | |
2514 | ioc->name, total_sz/1024); | |
2515 | printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " | |
2516 | "Max Controller Queue Depth(%d)\n", | |
2517 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); | |
2518 | printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", | |
2519 | ioc->name, ioc->shost->sg_tablesize); | |
2520 | return 0; | |
2521 | ||
2522 | out: | |
635374e7 EM |
2523 | return -ENOMEM; |
2524 | } | |
2525 | ||
2526 | ||
2527 | /** | |
2528 | * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. | |
2529 | * @ioc: Pointer to MPT_ADAPTER structure | |
2530 | * @cooked: Request raw or cooked IOC state | |
2531 | * | |
2532 | * Returns all IOC Doorbell register bits if cooked==0, else just the | |
2533 | * Doorbell bits in MPI_IOC_STATE_MASK. | |
2534 | */ | |
2535 | u32 | |
2536 | mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) | |
2537 | { | |
2538 | u32 s, sc; | |
2539 | ||
2540 | s = readl(&ioc->chip->Doorbell); | |
2541 | sc = s & MPI2_IOC_STATE_MASK; | |
2542 | return cooked ? sc : s; | |
2543 | } | |
2544 | ||
2545 | /** | |
2546 | * _base_wait_on_iocstate - waiting on a particular ioc state | |
2547 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } | |
2548 | * @timeout: timeout in second | |
2549 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2550 | * | |
2551 | * Returns 0 for success, non-zero for failure. | |
2552 | */ | |
2553 | static int | |
2554 | _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, | |
2555 | int sleep_flag) | |
2556 | { | |
2557 | u32 count, cntdn; | |
2558 | u32 current_state; | |
2559 | ||
2560 | count = 0; | |
2561 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2562 | do { | |
2563 | current_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2564 | if (current_state == ioc_state) | |
2565 | return 0; | |
2566 | if (count && current_state == MPI2_IOC_STATE_FAULT) | |
2567 | break; | |
2568 | if (sleep_flag == CAN_SLEEP) | |
2569 | msleep(1); | |
2570 | else | |
2571 | udelay(500); | |
2572 | count++; | |
2573 | } while (--cntdn); | |
2574 | ||
2575 | return current_state; | |
2576 | } | |
2577 | ||
2578 | /** | |
2579 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by | |
2580 | * a write to the doorbell) | |
2581 | * @ioc: per adapter object | |
2582 | * @timeout: timeout in second | |
2583 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2584 | * | |
2585 | * Returns 0 for success, non-zero for failure. | |
2586 | * | |
2587 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. | |
2588 | */ | |
2589 | static int | |
2590 | _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2591 | int sleep_flag) | |
2592 | { | |
2593 | u32 cntdn, count; | |
2594 | u32 int_status; | |
2595 | ||
2596 | count = 0; | |
2597 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2598 | do { | |
2599 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2600 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
eabb08ad | 2601 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2602 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2603 | __func__, count, timeout)); |
2604 | return 0; | |
2605 | } | |
2606 | if (sleep_flag == CAN_SLEEP) | |
2607 | msleep(1); | |
2608 | else | |
2609 | udelay(500); | |
2610 | count++; | |
2611 | } while (--cntdn); | |
2612 | ||
2613 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2614 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2615 | return -EFAULT; | |
2616 | } | |
2617 | ||
2618 | /** | |
2619 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. | |
2620 | * @ioc: per adapter object | |
2621 | * @timeout: timeout in second | |
2622 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2623 | * | |
2624 | * Returns 0 for success, non-zero for failure. | |
2625 | * | |
2626 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to | |
2627 | * doorbell. | |
2628 | */ | |
2629 | static int | |
2630 | _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2631 | int sleep_flag) | |
2632 | { | |
2633 | u32 cntdn, count; | |
2634 | u32 int_status; | |
2635 | u32 doorbell; | |
2636 | ||
2637 | count = 0; | |
2638 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2639 | do { | |
2640 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2641 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { | |
eabb08ad | 2642 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2643 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2644 | __func__, count, timeout)); |
2645 | return 0; | |
2646 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
2647 | doorbell = readl(&ioc->chip->Doorbell); | |
2648 | if ((doorbell & MPI2_IOC_STATE_MASK) == | |
2649 | MPI2_IOC_STATE_FAULT) { | |
2650 | mpt2sas_base_fault_info(ioc , doorbell); | |
2651 | return -EFAULT; | |
2652 | } | |
2653 | } else if (int_status == 0xFFFFFFFF) | |
2654 | goto out; | |
2655 | ||
2656 | if (sleep_flag == CAN_SLEEP) | |
2657 | msleep(1); | |
2658 | else | |
2659 | udelay(500); | |
2660 | count++; | |
2661 | } while (--cntdn); | |
2662 | ||
2663 | out: | |
2664 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2665 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2666 | return -EFAULT; | |
2667 | } | |
2668 | ||
2669 | /** | |
2670 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use | |
2671 | * @ioc: per adapter object | |
2672 | * @timeout: timeout in second | |
2673 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2674 | * | |
2675 | * Returns 0 for success, non-zero for failure. | |
2676 | * | |
2677 | */ | |
2678 | static int | |
2679 | _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2680 | int sleep_flag) | |
2681 | { | |
2682 | u32 cntdn, count; | |
2683 | u32 doorbell_reg; | |
2684 | ||
2685 | count = 0; | |
2686 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2687 | do { | |
2688 | doorbell_reg = readl(&ioc->chip->Doorbell); | |
2689 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { | |
eabb08ad | 2690 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2691 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2692 | __func__, count, timeout)); |
2693 | return 0; | |
2694 | } | |
2695 | if (sleep_flag == CAN_SLEEP) | |
2696 | msleep(1); | |
2697 | else | |
2698 | udelay(500); | |
2699 | count++; | |
2700 | } while (--cntdn); | |
2701 | ||
2702 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2703 | "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); | |
2704 | return -EFAULT; | |
2705 | } | |
2706 | ||
2707 | /** | |
2708 | * _base_send_ioc_reset - send doorbell reset | |
2709 | * @ioc: per adapter object | |
2710 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
2711 | * @timeout: timeout in second | |
2712 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2713 | * | |
2714 | * Returns 0 for success, non-zero for failure. | |
2715 | */ | |
2716 | static int | |
2717 | _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, | |
2718 | int sleep_flag) | |
2719 | { | |
2720 | u32 ioc_state; | |
2721 | int r = 0; | |
2722 | ||
2723 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { | |
2724 | printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", | |
2725 | ioc->name, __func__); | |
2726 | return -EFAULT; | |
2727 | } | |
2728 | ||
2729 | if (!(ioc->facts.IOCCapabilities & | |
2730 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) | |
2731 | return -EFAULT; | |
2732 | ||
2733 | printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); | |
2734 | ||
2735 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, | |
2736 | &ioc->chip->Doorbell); | |
2737 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { | |
2738 | r = -EFAULT; | |
2739 | goto out; | |
2740 | } | |
2741 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
2742 | timeout, sleep_flag); | |
2743 | if (ioc_state) { | |
2744 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
2745 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
2746 | r = -EFAULT; | |
2747 | goto out; | |
2748 | } | |
2749 | out: | |
2750 | printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", | |
2751 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
2752 | return r; | |
2753 | } | |
2754 | ||
2755 | /** | |
2756 | * _base_handshake_req_reply_wait - send request thru doorbell interface | |
2757 | * @ioc: per adapter object | |
2758 | * @request_bytes: request length | |
2759 | * @request: pointer having request payload | |
2760 | * @reply_bytes: reply length | |
2761 | * @reply: pointer to reply payload | |
2762 | * @timeout: timeout in second | |
2763 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2764 | * | |
2765 | * Returns 0 for success, non-zero for failure. | |
2766 | */ | |
2767 | static int | |
2768 | _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, | |
2769 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) | |
2770 | { | |
2771 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; | |
2772 | int i; | |
2773 | u8 failed; | |
2774 | u16 dummy; | |
2775 | u32 *mfp; | |
2776 | ||
2777 | /* make sure doorbell is not in use */ | |
2778 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { | |
2779 | printk(MPT2SAS_ERR_FMT "doorbell is in use " | |
2780 | " (line=%d)\n", ioc->name, __LINE__); | |
2781 | return -EFAULT; | |
2782 | } | |
2783 | ||
2784 | /* clear pending doorbell interrupts from previous state changes */ | |
2785 | if (readl(&ioc->chip->HostInterruptStatus) & | |
2786 | MPI2_HIS_IOC2SYS_DB_STATUS) | |
2787 | writel(0, &ioc->chip->HostInterruptStatus); | |
2788 | ||
2789 | /* send message to ioc */ | |
2790 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | | |
2791 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), | |
2792 | &ioc->chip->Doorbell); | |
2793 | ||
29786e19 | 2794 | if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { |
635374e7 EM |
2795 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
2796 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
2797 | return -EFAULT; | |
2798 | } | |
2799 | writel(0, &ioc->chip->HostInterruptStatus); | |
2800 | ||
2801 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { | |
2802 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2803 | "ack failed (line=%d)\n", ioc->name, __LINE__); | |
2804 | return -EFAULT; | |
2805 | } | |
2806 | ||
2807 | /* send message 32-bits at a time */ | |
2808 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { | |
2809 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); | |
2810 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) | |
2811 | failed = 1; | |
2812 | } | |
2813 | ||
2814 | if (failed) { | |
2815 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2816 | "sending request failed (line=%d)\n", ioc->name, __LINE__); | |
2817 | return -EFAULT; | |
2818 | } | |
2819 | ||
2820 | /* now wait for the reply */ | |
2821 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { | |
2822 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2823 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
2824 | return -EFAULT; | |
2825 | } | |
2826 | ||
2827 | /* read the first two 16-bits, it gives the total length of the reply */ | |
2828 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
2829 | & MPI2_DOORBELL_DATA_MASK); | |
2830 | writel(0, &ioc->chip->HostInterruptStatus); | |
2831 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
2832 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
2833 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
2834 | return -EFAULT; | |
2835 | } | |
2836 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
2837 | & MPI2_DOORBELL_DATA_MASK); | |
2838 | writel(0, &ioc->chip->HostInterruptStatus); | |
2839 | ||
2840 | for (i = 2; i < default_reply->MsgLength * 2; i++) { | |
2841 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
2842 | printk(MPT2SAS_ERR_FMT "doorbell " | |
2843 | "handshake int failed (line=%d)\n", ioc->name, | |
2844 | __LINE__); | |
2845 | return -EFAULT; | |
2846 | } | |
2847 | if (i >= reply_bytes/2) /* overflow case */ | |
2848 | dummy = readl(&ioc->chip->Doorbell); | |
2849 | else | |
2850 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
2851 | & MPI2_DOORBELL_DATA_MASK); | |
2852 | writel(0, &ioc->chip->HostInterruptStatus); | |
2853 | } | |
2854 | ||
2855 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); | |
2856 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { | |
2857 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " | |
2858 | " (line=%d)\n", ioc->name, __LINE__)); | |
2859 | } | |
2860 | writel(0, &ioc->chip->HostInterruptStatus); | |
2861 | ||
2862 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
2863 | mfp = (u32 *)reply; | |
eabb08ad | 2864 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 2865 | for (i = 0; i < reply_bytes/4; i++) |
eabb08ad | 2866 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
2867 | le32_to_cpu(mfp[i])); |
2868 | } | |
2869 | return 0; | |
2870 | } | |
2871 | ||
2872 | /** | |
2873 | * mpt2sas_base_sas_iounit_control - send sas iounit control to FW | |
2874 | * @ioc: per adapter object | |
2875 | * @mpi_reply: the reply payload from FW | |
2876 | * @mpi_request: the request payload sent to FW | |
2877 | * | |
2878 | * The SAS IO Unit Control Request message allows the host to perform low-level | |
2879 | * operations, such as resets on the PHYs of the IO Unit, also allows the host | |
2880 | * to obtain the IOC assigned device handles for a device if it has other | |
2881 | * identifying information about the device, in addition allows the host to | |
2882 | * remove IOC resources associated with the device. | |
2883 | * | |
2884 | * Returns 0 for success, non-zero for failure. | |
2885 | */ | |
2886 | int | |
2887 | mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, | |
2888 | Mpi2SasIoUnitControlReply_t *mpi_reply, | |
2889 | Mpi2SasIoUnitControlRequest_t *mpi_request) | |
2890 | { | |
2891 | u16 smid; | |
2892 | u32 ioc_state; | |
2893 | unsigned long timeleft; | |
2894 | u8 issue_reset; | |
2895 | int rc; | |
2896 | void *request; | |
2897 | u16 wait_state_count; | |
2898 | ||
eabb08ad | 2899 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2900 | __func__)); |
2901 | ||
2902 | mutex_lock(&ioc->base_cmds.mutex); | |
2903 | ||
2904 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
2905 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
2906 | ioc->name, __func__); | |
2907 | rc = -EAGAIN; | |
2908 | goto out; | |
2909 | } | |
2910 | ||
2911 | wait_state_count = 0; | |
2912 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2913 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
2914 | if (wait_state_count++ == 10) { | |
2915 | printk(MPT2SAS_ERR_FMT | |
2916 | "%s: failed due to ioc not operational\n", | |
2917 | ioc->name, __func__); | |
2918 | rc = -EFAULT; | |
2919 | goto out; | |
2920 | } | |
2921 | ssleep(1); | |
2922 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2923 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
2924 | "operational state(count=%d)\n", ioc->name, | |
2925 | __func__, wait_state_count); | |
2926 | } | |
2927 | ||
2928 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
2929 | if (!smid) { | |
2930 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2931 | ioc->name, __func__); | |
2932 | rc = -EAGAIN; | |
2933 | goto out; | |
2934 | } | |
2935 | ||
2936 | rc = 0; | |
2937 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
2938 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2939 | ioc->base_cmds.smid = smid; | |
2940 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
2941 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
2942 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) | |
2943 | ioc->ioc_link_reset_in_progress = 1; | |
7b936b02 | 2944 | mpt2sas_base_put_smid_default(ioc, smid); |
bcfb6e6e | 2945 | init_completion(&ioc->base_cmds.done); |
635374e7 EM |
2946 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
2947 | msecs_to_jiffies(10000)); | |
2948 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
2949 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && | |
2950 | ioc->ioc_link_reset_in_progress) | |
2951 | ioc->ioc_link_reset_in_progress = 0; | |
2952 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
2953 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2954 | ioc->name, __func__); | |
2955 | _debug_dump_mf(mpi_request, | |
2956 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); | |
2957 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
2958 | issue_reset = 1; | |
2959 | goto issue_host_reset; | |
2960 | } | |
2961 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
2962 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
2963 | sizeof(Mpi2SasIoUnitControlReply_t)); | |
2964 | else | |
2965 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
2966 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2967 | goto out; | |
2968 | ||
2969 | issue_host_reset: | |
2970 | if (issue_reset) | |
2971 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2972 | FORCE_BIG_HAMMER); | |
2973 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
2974 | rc = -EFAULT; | |
2975 | out: | |
2976 | mutex_unlock(&ioc->base_cmds.mutex); | |
2977 | return rc; | |
2978 | } | |
2979 | ||
2980 | ||
2981 | /** | |
2982 | * mpt2sas_base_scsi_enclosure_processor - sending request to sep device | |
2983 | * @ioc: per adapter object | |
2984 | * @mpi_reply: the reply payload from FW | |
2985 | * @mpi_request: the request payload sent to FW | |
2986 | * | |
2987 | * The SCSI Enclosure Processor request message causes the IOC to | |
2988 | * communicate with SES devices to control LED status signals. | |
2989 | * | |
2990 | * Returns 0 for success, non-zero for failure. | |
2991 | */ | |
2992 | int | |
2993 | mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, | |
2994 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) | |
2995 | { | |
2996 | u16 smid; | |
2997 | u32 ioc_state; | |
2998 | unsigned long timeleft; | |
2999 | u8 issue_reset; | |
3000 | int rc; | |
3001 | void *request; | |
3002 | u16 wait_state_count; | |
3003 | ||
eabb08ad | 3004 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3005 | __func__)); |
3006 | ||
3007 | mutex_lock(&ioc->base_cmds.mutex); | |
3008 | ||
3009 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3010 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3011 | ioc->name, __func__); | |
3012 | rc = -EAGAIN; | |
3013 | goto out; | |
3014 | } | |
3015 | ||
3016 | wait_state_count = 0; | |
3017 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3018 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3019 | if (wait_state_count++ == 10) { | |
3020 | printk(MPT2SAS_ERR_FMT | |
3021 | "%s: failed due to ioc not operational\n", | |
3022 | ioc->name, __func__); | |
3023 | rc = -EFAULT; | |
3024 | goto out; | |
3025 | } | |
3026 | ssleep(1); | |
3027 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3028 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3029 | "operational state(count=%d)\n", ioc->name, | |
3030 | __func__, wait_state_count); | |
3031 | } | |
3032 | ||
3033 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3034 | if (!smid) { | |
3035 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3036 | ioc->name, __func__); | |
3037 | rc = -EAGAIN; | |
3038 | goto out; | |
3039 | } | |
3040 | ||
3041 | rc = 0; | |
3042 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3043 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3044 | ioc->base_cmds.smid = smid; | |
3045 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); | |
7b936b02 | 3046 | mpt2sas_base_put_smid_default(ioc, smid); |
bcfb6e6e | 3047 | init_completion(&ioc->base_cmds.done); |
635374e7 EM |
3048 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3049 | msecs_to_jiffies(10000)); | |
3050 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3051 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3052 | ioc->name, __func__); | |
3053 | _debug_dump_mf(mpi_request, | |
3054 | sizeof(Mpi2SepRequest_t)/4); | |
3055 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
3056 | issue_reset = 1; | |
3057 | goto issue_host_reset; | |
3058 | } | |
3059 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3060 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3061 | sizeof(Mpi2SepReply_t)); | |
3062 | else | |
3063 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); | |
3064 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3065 | goto out; | |
3066 | ||
3067 | issue_host_reset: | |
3068 | if (issue_reset) | |
3069 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3070 | FORCE_BIG_HAMMER); | |
3071 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3072 | rc = -EFAULT; | |
3073 | out: | |
3074 | mutex_unlock(&ioc->base_cmds.mutex); | |
3075 | return rc; | |
3076 | } | |
3077 | ||
3078 | /** | |
3079 | * _base_get_port_facts - obtain port facts reply and save in ioc | |
3080 | * @ioc: per adapter object | |
3081 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3082 | * | |
3083 | * Returns 0 for success, non-zero for failure. | |
3084 | */ | |
3085 | static int | |
3086 | _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) | |
3087 | { | |
3088 | Mpi2PortFactsRequest_t mpi_request; | |
3089 | Mpi2PortFactsReply_t mpi_reply, *pfacts; | |
3090 | int mpi_reply_sz, mpi_request_sz, r; | |
3091 | ||
eabb08ad | 3092 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3093 | __func__)); |
3094 | ||
3095 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); | |
3096 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); | |
3097 | memset(&mpi_request, 0, mpi_request_sz); | |
3098 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; | |
3099 | mpi_request.PortNumber = port; | |
3100 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3101 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3102 | ||
3103 | if (r != 0) { | |
3104 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3105 | ioc->name, __func__, r); | |
3106 | return r; | |
3107 | } | |
3108 | ||
3109 | pfacts = &ioc->pfacts[port]; | |
3110 | memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t)); | |
3111 | pfacts->PortNumber = mpi_reply.PortNumber; | |
3112 | pfacts->VP_ID = mpi_reply.VP_ID; | |
3113 | pfacts->VF_ID = mpi_reply.VF_ID; | |
3114 | pfacts->MaxPostedCmdBuffers = | |
3115 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); | |
3116 | ||
3117 | return 0; | |
3118 | } | |
3119 | ||
3120 | /** | |
3121 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc | |
3122 | * @ioc: per adapter object | |
3123 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3124 | * | |
3125 | * Returns 0 for success, non-zero for failure. | |
3126 | */ | |
3127 | static int | |
3128 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3129 | { | |
3130 | Mpi2IOCFactsRequest_t mpi_request; | |
3131 | Mpi2IOCFactsReply_t mpi_reply, *facts; | |
3132 | int mpi_reply_sz, mpi_request_sz, r; | |
3133 | ||
eabb08ad | 3134 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3135 | __func__)); |
3136 | ||
3137 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); | |
3138 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); | |
3139 | memset(&mpi_request, 0, mpi_request_sz); | |
3140 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; | |
3141 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3142 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3143 | ||
3144 | if (r != 0) { | |
3145 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3146 | ioc->name, __func__, r); | |
3147 | return r; | |
3148 | } | |
3149 | ||
3150 | facts = &ioc->facts; | |
3151 | memset(facts, 0, sizeof(Mpi2IOCFactsReply_t)); | |
3152 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); | |
3153 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); | |
3154 | facts->VP_ID = mpi_reply.VP_ID; | |
3155 | facts->VF_ID = mpi_reply.VF_ID; | |
3156 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); | |
3157 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; | |
3158 | facts->WhoInit = mpi_reply.WhoInit; | |
3159 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; | |
3160 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); | |
3161 | facts->MaxReplyDescriptorPostQueueDepth = | |
3162 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); | |
3163 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); | |
3164 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); | |
3165 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) | |
3166 | ioc->ir_firmware = 1; | |
3167 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); | |
3168 | facts->IOCRequestFrameSize = | |
3169 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); | |
3170 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); | |
3171 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); | |
3172 | ioc->shost->max_id = -1; | |
3173 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); | |
3174 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); | |
3175 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); | |
3176 | facts->HighPriorityCredit = | |
3177 | le16_to_cpu(mpi_reply.HighPriorityCredit); | |
3178 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; | |
3179 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); | |
3180 | ||
3181 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " | |
3182 | "max chains per io(%d)\n", ioc->name, facts->RequestCredit, | |
3183 | facts->MaxChainDepth)); | |
3184 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " | |
3185 | "reply frame size(%d)\n", ioc->name, | |
3186 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); | |
3187 | return 0; | |
3188 | } | |
3189 | ||
3190 | /** | |
3191 | * _base_send_ioc_init - send ioc_init to firmware | |
3192 | * @ioc: per adapter object | |
635374e7 EM |
3193 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3194 | * | |
3195 | * Returns 0 for success, non-zero for failure. | |
3196 | */ | |
3197 | static int | |
7b936b02 | 3198 | _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3199 | { |
3200 | Mpi2IOCInitRequest_t mpi_request; | |
3201 | Mpi2IOCInitReply_t mpi_reply; | |
3202 | int r; | |
a8ebd76c | 3203 | struct timeval current_time; |
463217bf | 3204 | u16 ioc_status; |
635374e7 | 3205 | |
eabb08ad | 3206 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3207 | __func__)); |
3208 | ||
3209 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); | |
3210 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; | |
3211 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
7b936b02 KD |
3212 | mpi_request.VF_ID = 0; /* TODO */ |
3213 | mpi_request.VP_ID = 0; | |
635374e7 EM |
3214 | mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); |
3215 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
3216 | ||
3217 | /* In MPI Revision I (0xA), the SystemReplyFrameSize(offset 0x18) was | |
3218 | * removed and made reserved. For those with older firmware will need | |
3219 | * this fix. It was decided that the Reply and Request frame sizes are | |
3220 | * the same. | |
3221 | */ | |
3222 | if ((ioc->facts.HeaderVersion >> 8) < 0xA) { | |
3223 | mpi_request.Reserved7 = cpu_to_le16(ioc->reply_sz); | |
3224 | /* mpi_request.SystemReplyFrameSize = | |
3225 | * cpu_to_le16(ioc->reply_sz); | |
3226 | */ | |
3227 | } | |
3228 | ||
3229 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); | |
3230 | mpi_request.ReplyDescriptorPostQueueDepth = | |
3231 | cpu_to_le16(ioc->reply_post_queue_depth); | |
3232 | mpi_request.ReplyFreeQueueDepth = | |
3233 | cpu_to_le16(ioc->reply_free_queue_depth); | |
3234 | ||
3235 | #if BITS_PER_LONG > 32 | |
3236 | mpi_request.SenseBufferAddressHigh = | |
3237 | cpu_to_le32(ioc->sense_dma >> 32); | |
3238 | mpi_request.SystemReplyAddressHigh = | |
3239 | cpu_to_le32(ioc->reply_dma >> 32); | |
3240 | mpi_request.SystemRequestFrameBaseAddress = | |
3241 | cpu_to_le64(ioc->request_dma); | |
3242 | mpi_request.ReplyFreeQueueAddress = | |
3243 | cpu_to_le64(ioc->reply_free_dma); | |
3244 | mpi_request.ReplyDescriptorPostQueueAddress = | |
3245 | cpu_to_le64(ioc->reply_post_free_dma); | |
3246 | #else | |
3247 | mpi_request.SystemRequestFrameBaseAddress = | |
3248 | cpu_to_le32(ioc->request_dma); | |
3249 | mpi_request.ReplyFreeQueueAddress = | |
3250 | cpu_to_le32(ioc->reply_free_dma); | |
3251 | mpi_request.ReplyDescriptorPostQueueAddress = | |
3252 | cpu_to_le32(ioc->reply_post_free_dma); | |
3253 | #endif | |
3254 | ||
a8ebd76c KD |
3255 | /* This time stamp specifies number of milliseconds |
3256 | * since epoch ~ midnight January 1, 1970. | |
3257 | */ | |
3258 | do_gettimeofday(¤t_time); | |
7921b35c KD |
3259 | mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + |
3260 | (current_time.tv_usec / 1000)); | |
a8ebd76c | 3261 | |
635374e7 EM |
3262 | if (ioc->logging_level & MPT_DEBUG_INIT) { |
3263 | u32 *mfp; | |
3264 | int i; | |
3265 | ||
3266 | mfp = (u32 *)&mpi_request; | |
eabb08ad | 3267 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3268 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) |
eabb08ad | 3269 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3270 | le32_to_cpu(mfp[i])); |
3271 | } | |
3272 | ||
3273 | r = _base_handshake_req_reply_wait(ioc, | |
3274 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, | |
3275 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, | |
3276 | sleep_flag); | |
3277 | ||
3278 | if (r != 0) { | |
3279 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3280 | ioc->name, __func__, r); | |
3281 | return r; | |
3282 | } | |
3283 | ||
463217bf KD |
3284 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
3285 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS || | |
635374e7 EM |
3286 | mpi_reply.IOCLogInfo) { |
3287 | printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); | |
3288 | r = -EIO; | |
3289 | } | |
3290 | ||
3291 | return 0; | |
3292 | } | |
3293 | ||
3294 | /** | |
3295 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware | |
3296 | * @ioc: per adapter object | |
635374e7 EM |
3297 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3298 | * | |
3299 | * Returns 0 for success, non-zero for failure. | |
3300 | */ | |
3301 | static int | |
7b936b02 | 3302 | _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3303 | { |
3304 | Mpi2PortEnableRequest_t *mpi_request; | |
3305 | u32 ioc_state; | |
3306 | unsigned long timeleft; | |
3307 | int r = 0; | |
3308 | u16 smid; | |
3309 | ||
3310 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3311 | ||
3312 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
3313 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3314 | ioc->name, __func__); | |
3315 | return -EAGAIN; | |
3316 | } | |
3317 | ||
3318 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3319 | if (!smid) { | |
3320 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3321 | ioc->name, __func__); | |
3322 | return -EAGAIN; | |
3323 | } | |
3324 | ||
3325 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3326 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3327 | ioc->base_cmds.smid = smid; | |
3328 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
3329 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
7b936b02 KD |
3330 | mpi_request->VF_ID = 0; /* TODO */ |
3331 | mpi_request->VP_ID = 0; | |
635374e7 | 3332 | |
7b936b02 | 3333 | mpt2sas_base_put_smid_default(ioc, smid); |
bcfb6e6e | 3334 | init_completion(&ioc->base_cmds.done); |
635374e7 EM |
3335 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3336 | 300*HZ); | |
3337 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3338 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3339 | ioc->name, __func__); | |
3340 | _debug_dump_mf(mpi_request, | |
3341 | sizeof(Mpi2PortEnableRequest_t)/4); | |
3342 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
3343 | r = -EFAULT; | |
3344 | else | |
3345 | r = -ETIME; | |
3346 | goto out; | |
3347 | } else | |
eabb08ad | 3348 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", |
635374e7 EM |
3349 | ioc->name, __func__)); |
3350 | ||
3351 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_OPERATIONAL, | |
3352 | 60, sleep_flag); | |
3353 | if (ioc_state) { | |
3354 | printk(MPT2SAS_ERR_FMT "%s: failed going to operational state " | |
3355 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
3356 | r = -EFAULT; | |
3357 | } | |
3358 | out: | |
3359 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3360 | printk(MPT2SAS_INFO_FMT "port enable: %s\n", | |
3361 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
3362 | return r; | |
3363 | } | |
3364 | ||
3365 | /** | |
3366 | * _base_unmask_events - turn on notification for this event | |
3367 | * @ioc: per adapter object | |
3368 | * @event: firmware event | |
3369 | * | |
3370 | * The mask is stored in ioc->event_masks. | |
3371 | */ | |
3372 | static void | |
3373 | _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
3374 | { | |
3375 | u32 desired_event; | |
3376 | ||
3377 | if (event >= 128) | |
3378 | return; | |
3379 | ||
3380 | desired_event = (1 << (event % 32)); | |
3381 | ||
3382 | if (event < 32) | |
3383 | ioc->event_masks[0] &= ~desired_event; | |
3384 | else if (event < 64) | |
3385 | ioc->event_masks[1] &= ~desired_event; | |
3386 | else if (event < 96) | |
3387 | ioc->event_masks[2] &= ~desired_event; | |
3388 | else if (event < 128) | |
3389 | ioc->event_masks[3] &= ~desired_event; | |
3390 | } | |
3391 | ||
3392 | /** | |
3393 | * _base_event_notification - send event notification | |
3394 | * @ioc: per adapter object | |
635374e7 EM |
3395 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3396 | * | |
3397 | * Returns 0 for success, non-zero for failure. | |
3398 | */ | |
3399 | static int | |
7b936b02 | 3400 | _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3401 | { |
3402 | Mpi2EventNotificationRequest_t *mpi_request; | |
3403 | unsigned long timeleft; | |
3404 | u16 smid; | |
3405 | int r = 0; | |
3406 | int i; | |
3407 | ||
eabb08ad | 3408 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3409 | __func__)); |
3410 | ||
3411 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
3412 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3413 | ioc->name, __func__); | |
3414 | return -EAGAIN; | |
3415 | } | |
3416 | ||
3417 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3418 | if (!smid) { | |
3419 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3420 | ioc->name, __func__); | |
3421 | return -EAGAIN; | |
3422 | } | |
3423 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3424 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3425 | ioc->base_cmds.smid = smid; | |
3426 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); | |
3427 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
7b936b02 KD |
3428 | mpi_request->VF_ID = 0; /* TODO */ |
3429 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3430 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
3431 | mpi_request->EventMasks[i] = | |
e94f6747 | 3432 | cpu_to_le32(ioc->event_masks[i]); |
7b936b02 | 3433 | mpt2sas_base_put_smid_default(ioc, smid); |
bcfb6e6e | 3434 | init_completion(&ioc->base_cmds.done); |
635374e7 EM |
3435 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); |
3436 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3437 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3438 | ioc->name, __func__); | |
3439 | _debug_dump_mf(mpi_request, | |
3440 | sizeof(Mpi2EventNotificationRequest_t)/4); | |
3441 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
3442 | r = -EFAULT; | |
3443 | else | |
3444 | r = -ETIME; | |
3445 | } else | |
eabb08ad | 3446 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", |
635374e7 EM |
3447 | ioc->name, __func__)); |
3448 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3449 | return r; | |
3450 | } | |
3451 | ||
3452 | /** | |
3453 | * mpt2sas_base_validate_event_type - validating event types | |
3454 | * @ioc: per adapter object | |
3455 | * @event: firmware event | |
3456 | * | |
3457 | * This will turn on firmware event notification when application | |
3458 | * ask for that event. We don't mask events that are already enabled. | |
3459 | */ | |
3460 | void | |
3461 | mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) | |
3462 | { | |
3463 | int i, j; | |
3464 | u32 event_mask, desired_event; | |
3465 | u8 send_update_to_fw; | |
3466 | ||
3467 | for (i = 0, send_update_to_fw = 0; i < | |
3468 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { | |
3469 | event_mask = ~event_type[i]; | |
3470 | desired_event = 1; | |
3471 | for (j = 0; j < 32; j++) { | |
3472 | if (!(event_mask & desired_event) && | |
3473 | (ioc->event_masks[i] & desired_event)) { | |
3474 | ioc->event_masks[i] &= ~desired_event; | |
3475 | send_update_to_fw = 1; | |
3476 | } | |
3477 | desired_event = (desired_event << 1); | |
3478 | } | |
3479 | } | |
3480 | ||
3481 | if (!send_update_to_fw) | |
3482 | return; | |
3483 | ||
3484 | mutex_lock(&ioc->base_cmds.mutex); | |
7b936b02 | 3485 | _base_event_notification(ioc, CAN_SLEEP); |
635374e7 EM |
3486 | mutex_unlock(&ioc->base_cmds.mutex); |
3487 | } | |
3488 | ||
3489 | /** | |
3490 | * _base_diag_reset - the "big hammer" start of day reset | |
3491 | * @ioc: per adapter object | |
3492 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3493 | * | |
3494 | * Returns 0 for success, non-zero for failure. | |
3495 | */ | |
3496 | static int | |
3497 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3498 | { | |
3499 | u32 host_diagnostic; | |
3500 | u32 ioc_state; | |
3501 | u32 count; | |
3502 | u32 hcb_size; | |
3503 | ||
3504 | printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); | |
3505 | ||
3506 | _base_save_msix_table(ioc); | |
3507 | ||
eabb08ad | 3508 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", |
635374e7 | 3509 | ioc->name)); |
635374e7 EM |
3510 | |
3511 | count = 0; | |
3512 | do { | |
3513 | /* Write magic sequence to WriteSequence register | |
3514 | * Loop until in diagnostic mode | |
3515 | */ | |
eabb08ad | 3516 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " |
635374e7 EM |
3517 | "sequence\n", ioc->name)); |
3518 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3519 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); | |
3520 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); | |
3521 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); | |
3522 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3523 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3524 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3525 | ||
3526 | /* wait 100 msec */ | |
3527 | if (sleep_flag == CAN_SLEEP) | |
3528 | msleep(100); | |
3529 | else | |
3530 | mdelay(100); | |
3531 | ||
3532 | if (count++ > 20) | |
3533 | goto out; | |
3534 | ||
3535 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
eabb08ad | 3536 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " |
635374e7 EM |
3537 | "sequence: count(%d), host_diagnostic(0x%08x)\n", |
3538 | ioc->name, count, host_diagnostic)); | |
3539 | ||
3540 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); | |
3541 | ||
3542 | hcb_size = readl(&ioc->chip->HCBSize); | |
3543 | ||
eabb08ad | 3544 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", |
635374e7 EM |
3545 | ioc->name)); |
3546 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, | |
3547 | &ioc->chip->HostDiagnostic); | |
3548 | ||
3549 | /* don't access any registers for 50 milliseconds */ | |
3550 | msleep(50); | |
3551 | ||
3552 | /* 300 second max wait */ | |
3553 | for (count = 0; count < 3000000 ; count++) { | |
3554 | ||
3555 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
3556 | ||
3557 | if (host_diagnostic == 0xFFFFFFFF) | |
3558 | goto out; | |
3559 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | |
3560 | break; | |
3561 | ||
3562 | /* wait 100 msec */ | |
3563 | if (sleep_flag == CAN_SLEEP) | |
3564 | msleep(1); | |
3565 | else | |
3566 | mdelay(1); | |
3567 | } | |
3568 | ||
3569 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { | |
3570 | ||
eabb08ad | 3571 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " |
635374e7 EM |
3572 | "assuming the HCB Address points to good F/W\n", |
3573 | ioc->name)); | |
3574 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; | |
3575 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; | |
3576 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); | |
3577 | ||
eabb08ad | 3578 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
3579 | "re-enable the HCDW\n", ioc->name)); |
3580 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, | |
3581 | &ioc->chip->HCBSize); | |
3582 | } | |
3583 | ||
eabb08ad | 3584 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", |
635374e7 EM |
3585 | ioc->name)); |
3586 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, | |
3587 | &ioc->chip->HostDiagnostic); | |
3588 | ||
eabb08ad | 3589 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " |
635374e7 EM |
3590 | "diagnostic register\n", ioc->name)); |
3591 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3592 | ||
eabb08ad | 3593 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " |
635374e7 EM |
3594 | "READY state\n", ioc->name)); |
3595 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, | |
3596 | sleep_flag); | |
3597 | if (ioc_state) { | |
3598 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
3599 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
3600 | goto out; | |
3601 | } | |
3602 | ||
3603 | _base_restore_msix_table(ioc); | |
3604 | printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); | |
3605 | return 0; | |
3606 | ||
3607 | out: | |
3608 | printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); | |
3609 | return -EFAULT; | |
3610 | } | |
3611 | ||
3612 | /** | |
3613 | * _base_make_ioc_ready - put controller in READY state | |
3614 | * @ioc: per adapter object | |
3615 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3616 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
3617 | * | |
3618 | * Returns 0 for success, non-zero for failure. | |
3619 | */ | |
3620 | static int | |
3621 | _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
3622 | enum reset_type type) | |
3623 | { | |
3624 | u32 ioc_state; | |
d32a8c15 | 3625 | int rc; |
635374e7 | 3626 | |
eabb08ad | 3627 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3628 | __func__)); |
3629 | ||
3cb5469a EM |
3630 | if (ioc->pci_error_recovery) |
3631 | return 0; | |
3632 | ||
635374e7 | 3633 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
eabb08ad | 3634 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", |
635374e7 EM |
3635 | ioc->name, __func__, ioc_state)); |
3636 | ||
3637 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) | |
3638 | return 0; | |
3639 | ||
3640 | if (ioc_state & MPI2_DOORBELL_USED) { | |
eabb08ad | 3641 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
635374e7 EM |
3642 | "active!\n", ioc->name)); |
3643 | goto issue_diag_reset; | |
3644 | } | |
3645 | ||
3646 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
3647 | mpt2sas_base_fault_info(ioc, ioc_state & | |
3648 | MPI2_DOORBELL_DATA_MASK); | |
3649 | goto issue_diag_reset; | |
3650 | } | |
3651 | ||
3652 | if (type == FORCE_BIG_HAMMER) | |
3653 | goto issue_diag_reset; | |
3654 | ||
3655 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
3656 | if (!(_base_send_ioc_reset(ioc, | |
d32a8c15 KD |
3657 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { |
3658 | ioc->ioc_reset_count++; | |
635374e7 | 3659 | return 0; |
d32a8c15 | 3660 | } |
635374e7 EM |
3661 | |
3662 | issue_diag_reset: | |
d32a8c15 KD |
3663 | rc = _base_diag_reset(ioc, CAN_SLEEP); |
3664 | ioc->ioc_reset_count++; | |
3665 | return rc; | |
635374e7 EM |
3666 | } |
3667 | ||
3668 | /** | |
3669 | * _base_make_ioc_operational - put controller in OPERATIONAL state | |
3670 | * @ioc: per adapter object | |
635374e7 EM |
3671 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3672 | * | |
3673 | * Returns 0 for success, non-zero for failure. | |
3674 | */ | |
3675 | static int | |
7b936b02 | 3676 | _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3677 | { |
3678 | int r, i; | |
3679 | unsigned long flags; | |
3680 | u32 reply_address; | |
595bb0bd | 3681 | u16 smid; |
77e63ed4 | 3682 | struct _tr_list *delayed_tr, *delayed_tr_next; |
635374e7 | 3683 | |
eabb08ad | 3684 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3685 | __func__)); |
3686 | ||
77e63ed4 KD |
3687 | /* clean the delayed target reset list */ |
3688 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, | |
3689 | &ioc->delayed_tr_list, list) { | |
3690 | list_del(&delayed_tr->list); | |
3691 | kfree(delayed_tr); | |
3692 | } | |
3693 | ||
f3eedd69 KD |
3694 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, |
3695 | &ioc->delayed_tr_volume_list, list) { | |
3696 | list_del(&delayed_tr->list); | |
3697 | kfree(delayed_tr); | |
3698 | } | |
3699 | ||
635374e7 EM |
3700 | /* initialize the scsi lookup free list */ |
3701 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
3702 | INIT_LIST_HEAD(&ioc->free_list); | |
595bb0bd KD |
3703 | smid = 1; |
3704 | for (i = 0; i < ioc->scsiio_depth; i++, smid++) { | |
35f805b5 | 3705 | INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); |
635374e7 | 3706 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
595bb0bd KD |
3707 | ioc->scsi_lookup[i].smid = smid; |
3708 | ioc->scsi_lookup[i].scmd = NULL; | |
635374e7 EM |
3709 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
3710 | &ioc->free_list); | |
3711 | } | |
595bb0bd KD |
3712 | |
3713 | /* hi-priority queue */ | |
3714 | INIT_LIST_HEAD(&ioc->hpr_free_list); | |
3715 | smid = ioc->hi_priority_smid; | |
3716 | for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { | |
3717 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
3718 | ioc->hpr_lookup[i].smid = smid; | |
3719 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
3720 | &ioc->hpr_free_list); | |
3721 | } | |
3722 | ||
3723 | /* internal queue */ | |
3724 | INIT_LIST_HEAD(&ioc->internal_free_list); | |
3725 | smid = ioc->internal_smid; | |
3726 | for (i = 0; i < ioc->internal_depth; i++, smid++) { | |
3727 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
3728 | ioc->internal_lookup[i].smid = smid; | |
3729 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
3730 | &ioc->internal_free_list); | |
3731 | } | |
35f805b5 KD |
3732 | |
3733 | /* chain pool */ | |
3734 | INIT_LIST_HEAD(&ioc->free_chain_list); | |
3735 | for (i = 0; i < ioc->chain_depth; i++) | |
3736 | list_add_tail(&ioc->chain_lookup[i].tracker_list, | |
3737 | &ioc->free_chain_list); | |
3738 | ||
635374e7 EM |
3739 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
3740 | ||
3741 | /* initialize Reply Free Queue */ | |
3742 | for (i = 0, reply_address = (u32)ioc->reply_dma ; | |
3743 | i < ioc->reply_free_queue_depth ; i++, reply_address += | |
3744 | ioc->reply_sz) | |
3745 | ioc->reply_free[i] = cpu_to_le32(reply_address); | |
3746 | ||
3747 | /* initialize Reply Post Free Queue */ | |
3748 | for (i = 0; i < ioc->reply_post_queue_depth; i++) | |
03ea1115 | 3749 | ioc->reply_post_free[i].Words = ULLONG_MAX; |
635374e7 | 3750 | |
7b936b02 | 3751 | r = _base_send_ioc_init(ioc, sleep_flag); |
635374e7 EM |
3752 | if (r) |
3753 | return r; | |
3754 | ||
3755 | /* initialize the index's */ | |
3756 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; | |
3757 | ioc->reply_post_host_index = 0; | |
3758 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); | |
3759 | writel(0, &ioc->chip->ReplyPostHostIndex); | |
3760 | ||
3761 | _base_unmask_interrupts(ioc); | |
7b936b02 | 3762 | r = _base_event_notification(ioc, sleep_flag); |
635374e7 EM |
3763 | if (r) |
3764 | return r; | |
3765 | ||
3766 | if (sleep_flag == CAN_SLEEP) | |
3767 | _base_static_config_pages(ioc); | |
3768 | ||
570c67ac KD |
3769 | if (ioc->wait_for_port_enable_to_complete) { |
3770 | if (diag_buffer_enable != 0) | |
3771 | mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable); | |
3772 | if (disable_discovery > 0) | |
3773 | return r; | |
3774 | } | |
dd5fd332 | 3775 | |
7b936b02 | 3776 | r = _base_send_port_enable(ioc, sleep_flag); |
635374e7 EM |
3777 | if (r) |
3778 | return r; | |
3779 | ||
3780 | return r; | |
3781 | } | |
3782 | ||
3783 | /** | |
3784 | * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) | |
3785 | * @ioc: per adapter object | |
3786 | * | |
3787 | * Return nothing. | |
3788 | */ | |
3789 | void | |
3790 | mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) | |
3791 | { | |
3792 | struct pci_dev *pdev = ioc->pdev; | |
3793 | ||
eabb08ad | 3794 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3795 | __func__)); |
3796 | ||
3797 | _base_mask_interrupts(ioc); | |
6558bbb1 | 3798 | ioc->shost_recovery = 1; |
635374e7 | 3799 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
6558bbb1 | 3800 | ioc->shost_recovery = 0; |
635374e7 EM |
3801 | if (ioc->pci_irq) { |
3802 | synchronize_irq(pdev->irq); | |
3803 | free_irq(ioc->pci_irq, ioc); | |
3804 | } | |
3805 | _base_disable_msix(ioc); | |
3806 | if (ioc->chip_phys) | |
3807 | iounmap(ioc->chip); | |
3808 | ioc->pci_irq = -1; | |
3809 | ioc->chip_phys = 0; | |
3810 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
ef7c80c1 | 3811 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 3812 | pci_disable_device(pdev); |
635374e7 EM |
3813 | return; |
3814 | } | |
3815 | ||
3816 | /** | |
3817 | * mpt2sas_base_attach - attach controller instance | |
3818 | * @ioc: per adapter object | |
3819 | * | |
3820 | * Returns 0 for success, non-zero for failure. | |
3821 | */ | |
3822 | int | |
3823 | mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) | |
3824 | { | |
3825 | int r, i; | |
635374e7 | 3826 | |
eabb08ad | 3827 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3828 | __func__)); |
3829 | ||
3830 | r = mpt2sas_base_map_resources(ioc); | |
3831 | if (r) | |
3832 | return r; | |
3833 | ||
fcfe6392 | 3834 | pci_set_drvdata(ioc->pdev, ioc->shost); |
96b681c6 | 3835 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); |
635374e7 EM |
3836 | if (r) |
3837 | goto out_free_resources; | |
3838 | ||
96b681c6 | 3839 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
635374e7 EM |
3840 | if (r) |
3841 | goto out_free_resources; | |
3842 | ||
595bb0bd KD |
3843 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, |
3844 | sizeof(Mpi2PortFactsReply_t), GFP_KERNEL); | |
f6aee7b9 KD |
3845 | if (!ioc->pfacts) { |
3846 | r = -ENOMEM; | |
595bb0bd | 3847 | goto out_free_resources; |
f6aee7b9 | 3848 | } |
595bb0bd KD |
3849 | |
3850 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { | |
3851 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); | |
3852 | if (r) | |
3853 | goto out_free_resources; | |
3854 | } | |
3855 | ||
635374e7 EM |
3856 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); |
3857 | if (r) | |
3858 | goto out_free_resources; | |
3859 | ||
3860 | init_waitqueue_head(&ioc->reset_wq); | |
3861 | ||
f3eedd69 KD |
3862 | /* allocate memory pd handle bitmask list */ |
3863 | ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); | |
3864 | if (ioc->facts.MaxDevHandle % 8) | |
3865 | ioc->pd_handles_sz++; | |
3866 | ioc->pd_handles = kzalloc(ioc->pd_handles_sz, | |
3867 | GFP_KERNEL); | |
3e2e833a KD |
3868 | if (!ioc->pd_handles) { |
3869 | r = -ENOMEM; | |
f3eedd69 | 3870 | goto out_free_resources; |
3e2e833a | 3871 | } |
f3eedd69 | 3872 | |
e75b9b6d KD |
3873 | ioc->fwfault_debug = mpt2sas_fwfault_debug; |
3874 | ||
635374e7 EM |
3875 | /* base internal command bits */ |
3876 | mutex_init(&ioc->base_cmds.mutex); | |
635374e7 EM |
3877 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
3878 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3879 | ||
3880 | /* transport internal command bits */ | |
3881 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3882 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
3883 | mutex_init(&ioc->transport_cmds.mutex); | |
635374e7 | 3884 | |
d685c262 KD |
3885 | /* scsih internal command bits */ |
3886 | ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3887 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
3888 | mutex_init(&ioc->scsih_cmds.mutex); | |
3889 | ||
635374e7 EM |
3890 | /* task management internal command bits */ |
3891 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3892 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
3893 | mutex_init(&ioc->tm_cmds.mutex); | |
635374e7 EM |
3894 | |
3895 | /* config page internal command bits */ | |
3896 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
3897 | ioc->config_cmds.status = MPT2_CMD_NOT_USED; | |
3898 | mutex_init(&ioc->config_cmds.mutex); | |
635374e7 EM |
3899 | |
3900 | /* ctl module internal command bits */ | |
3901 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
769578ff | 3902 | ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); |
635374e7 EM |
3903 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
3904 | mutex_init(&ioc->ctl_cmds.mutex); | |
635374e7 | 3905 | |
f6aee7b9 KD |
3906 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
3907 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
769578ff KD |
3908 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || |
3909 | !ioc->ctl_cmds.sense) { | |
f6aee7b9 KD |
3910 | r = -ENOMEM; |
3911 | goto out_free_resources; | |
3912 | } | |
3913 | ||
3e2e833a KD |
3914 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
3915 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
3916 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { | |
3917 | r = -ENOMEM; | |
3918 | goto out_free_resources; | |
3919 | } | |
3920 | ||
f1c35e6a KD |
3921 | init_completion(&ioc->shost_recovery_done); |
3922 | ||
635374e7 EM |
3923 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
3924 | ioc->event_masks[i] = -1; | |
3925 | ||
3926 | /* here we enable the events we care about */ | |
3927 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); | |
3928 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); | |
3929 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); | |
3930 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
3931 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); | |
3932 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); | |
3933 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); | |
3934 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); | |
3935 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); | |
635374e7 | 3936 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); |
7b936b02 | 3937 | r = _base_make_ioc_operational(ioc, CAN_SLEEP); |
635374e7 EM |
3938 | if (r) |
3939 | goto out_free_resources; | |
3940 | ||
6cb8ef57 KD |
3941 | if (missing_delay[0] != -1 && missing_delay[1] != -1) |
3942 | _base_update_missing_delay(ioc, missing_delay[0], | |
3943 | missing_delay[1]); | |
3944 | ||
e4750c98 | 3945 | mpt2sas_base_start_watchdog(ioc); |
635374e7 EM |
3946 | return 0; |
3947 | ||
3948 | out_free_resources: | |
3949 | ||
3950 | ioc->remove_host = 1; | |
3951 | mpt2sas_base_free_resources(ioc); | |
3952 | _base_release_memory_pools(ioc); | |
fcfe6392 | 3953 | pci_set_drvdata(ioc->pdev, NULL); |
f3eedd69 | 3954 | kfree(ioc->pd_handles); |
635374e7 EM |
3955 | kfree(ioc->tm_cmds.reply); |
3956 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 3957 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
3958 | kfree(ioc->config_cmds.reply); |
3959 | kfree(ioc->base_cmds.reply); | |
3960 | kfree(ioc->ctl_cmds.reply); | |
769578ff | 3961 | kfree(ioc->ctl_cmds.sense); |
635374e7 EM |
3962 | kfree(ioc->pfacts); |
3963 | ioc->ctl_cmds.reply = NULL; | |
3964 | ioc->base_cmds.reply = NULL; | |
3965 | ioc->tm_cmds.reply = NULL; | |
e94f6747 | 3966 | ioc->scsih_cmds.reply = NULL; |
635374e7 EM |
3967 | ioc->transport_cmds.reply = NULL; |
3968 | ioc->config_cmds.reply = NULL; | |
3969 | ioc->pfacts = NULL; | |
3970 | return r; | |
3971 | } | |
3972 | ||
3973 | ||
3974 | /** | |
3975 | * mpt2sas_base_detach - remove controller instance | |
3976 | * @ioc: per adapter object | |
3977 | * | |
3978 | * Return nothing. | |
3979 | */ | |
3980 | void | |
3981 | mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) | |
3982 | { | |
635374e7 | 3983 | |
eabb08ad | 3984 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3985 | __func__)); |
3986 | ||
e4750c98 | 3987 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
3988 | mpt2sas_base_free_resources(ioc); |
3989 | _base_release_memory_pools(ioc); | |
fcfe6392 | 3990 | pci_set_drvdata(ioc->pdev, NULL); |
f3eedd69 | 3991 | kfree(ioc->pd_handles); |
635374e7 EM |
3992 | kfree(ioc->pfacts); |
3993 | kfree(ioc->ctl_cmds.reply); | |
769578ff | 3994 | kfree(ioc->ctl_cmds.sense); |
635374e7 EM |
3995 | kfree(ioc->base_cmds.reply); |
3996 | kfree(ioc->tm_cmds.reply); | |
3997 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 3998 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
3999 | kfree(ioc->config_cmds.reply); |
4000 | } | |
4001 | ||
4002 | /** | |
4003 | * _base_reset_handler - reset callback handler (for base) | |
4004 | * @ioc: per adapter object | |
4005 | * @reset_phase: phase | |
4006 | * | |
4007 | * The handler for doing any required cleanup or initialization. | |
4008 | * | |
4009 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
4010 | * MPT2_IOC_DONE_RESET | |
4011 | * | |
4012 | * Return nothing. | |
4013 | */ | |
4014 | static void | |
4015 | _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
4016 | { | |
4224489f KD |
4017 | mpt2sas_scsih_reset_handler(ioc, reset_phase); |
4018 | mpt2sas_ctl_reset_handler(ioc, reset_phase); | |
635374e7 EM |
4019 | switch (reset_phase) { |
4020 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 4021 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4022 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
4023 | break; | |
4024 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 4025 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4026 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
4027 | if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { | |
4028 | ioc->transport_cmds.status |= MPT2_CMD_RESET; | |
4029 | mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); | |
4030 | complete(&ioc->transport_cmds.done); | |
4031 | } | |
4032 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
4033 | ioc->base_cmds.status |= MPT2_CMD_RESET; | |
4034 | mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); | |
4035 | complete(&ioc->base_cmds.done); | |
4036 | } | |
4037 | if (ioc->config_cmds.status & MPT2_CMD_PENDING) { | |
4038 | ioc->config_cmds.status |= MPT2_CMD_RESET; | |
4039 | mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); | |
4be929be | 4040 | ioc->config_cmds.smid = USHRT_MAX; |
635374e7 EM |
4041 | complete(&ioc->config_cmds.done); |
4042 | } | |
4043 | break; | |
4044 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 4045 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4046 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
4047 | break; | |
4048 | } | |
635374e7 EM |
4049 | } |
4050 | ||
4051 | /** | |
4052 | * _wait_for_commands_to_complete - reset controller | |
4053 | * @ioc: Pointer to MPT_ADAPTER structure | |
4054 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4055 | * | |
4056 | * This function waiting(3s) for all pending commands to complete | |
4057 | * prior to putting controller in reset. | |
4058 | */ | |
4059 | static void | |
4060 | _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
4061 | { | |
4062 | u32 ioc_state; | |
4063 | unsigned long flags; | |
4064 | u16 i; | |
4065 | ||
4066 | ioc->pending_io_count = 0; | |
4067 | if (sleep_flag != CAN_SLEEP) | |
4068 | return; | |
4069 | ||
4070 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
4071 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) | |
4072 | return; | |
4073 | ||
4074 | /* pending command count */ | |
4075 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
595bb0bd | 4076 | for (i = 0; i < ioc->scsiio_depth; i++) |
635374e7 EM |
4077 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) |
4078 | ioc->pending_io_count++; | |
4079 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
4080 | ||
4081 | if (!ioc->pending_io_count) | |
4082 | return; | |
4083 | ||
4084 | /* wait for pending commands to complete */ | |
d274213a | 4085 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); |
635374e7 EM |
4086 | } |
4087 | ||
4088 | /** | |
4089 | * mpt2sas_base_hard_reset_handler - reset controller | |
4090 | * @ioc: Pointer to MPT_ADAPTER structure | |
4091 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4092 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
4093 | * | |
4094 | * Returns 0 for success, non-zero for failure. | |
4095 | */ | |
4096 | int | |
4097 | mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
4098 | enum reset_type type) | |
4099 | { | |
7b936b02 | 4100 | int r; |
635374e7 | 4101 | unsigned long flags; |
4224489f | 4102 | u8 pe_complete = ioc->wait_for_port_enable_to_complete; |
635374e7 | 4103 | |
eabb08ad | 4104 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
4105 | __func__)); |
4106 | ||
3cb5469a EM |
4107 | if (ioc->pci_error_recovery) { |
4108 | printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", | |
4109 | ioc->name, __func__); | |
4110 | r = 0; | |
4111 | goto out; | |
4112 | } | |
4113 | ||
fa7f3167 KD |
4114 | if (mpt2sas_fwfault_debug) |
4115 | mpt2sas_halt_firmware(ioc); | |
4116 | ||
d274213a KD |
4117 | /* TODO - What we really should be doing is pulling |
4118 | * out all the code associated with NO_SLEEP; its never used. | |
4119 | * That is legacy code from mpt fusion driver, ported over. | |
4120 | * I will leave this BUG_ON here for now till its been resolved. | |
4121 | */ | |
4122 | BUG_ON(sleep_flag == NO_SLEEP); | |
4123 | ||
4124 | /* wait for an active reset in progress to complete */ | |
4125 | if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { | |
4126 | do { | |
4127 | ssleep(1); | |
4128 | } while (ioc->shost_recovery == 1); | |
eabb08ad | 4129 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a KD |
4130 | __func__)); |
4131 | return ioc->ioc_reset_in_progress_status; | |
635374e7 | 4132 | } |
d274213a KD |
4133 | |
4134 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
635374e7 | 4135 | ioc->shost_recovery = 1; |
635374e7 EM |
4136 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
4137 | ||
4138 | _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); | |
4139 | _wait_for_commands_to_complete(ioc, sleep_flag); | |
4140 | _base_mask_interrupts(ioc); | |
4141 | r = _base_make_ioc_ready(ioc, sleep_flag, type); | |
4142 | if (r) | |
4143 | goto out; | |
4144 | _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); | |
4224489f KD |
4145 | |
4146 | /* If this hard reset is called while port enable is active, then | |
4147 | * there is no reason to call make_ioc_operational | |
4148 | */ | |
4149 | if (pe_complete) { | |
4150 | r = -EFAULT; | |
4151 | goto out; | |
4152 | } | |
7b936b02 | 4153 | r = _base_make_ioc_operational(ioc, sleep_flag); |
635374e7 EM |
4154 | if (!r) |
4155 | _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); | |
4156 | out: | |
eabb08ad | 4157 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", |
635374e7 EM |
4158 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); |
4159 | ||
4160 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
d274213a | 4161 | ioc->ioc_reset_in_progress_status = r; |
155dd4c7 | 4162 | ioc->shost_recovery = 0; |
f1c35e6a | 4163 | complete(&ioc->shost_recovery_done); |
635374e7 | 4164 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
d274213a | 4165 | mutex_unlock(&ioc->reset_in_progress_mutex); |
cd4e12e8 | 4166 | |
eabb08ad | 4167 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a | 4168 | __func__)); |
635374e7 EM |
4169 | return r; |
4170 | } |