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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 | ||
635374e7 EM |
45 | #include <linux/kernel.h> |
46 | #include <linux/module.h> | |
47 | #include <linux/errno.h> | |
48 | #include <linux/init.h> | |
49 | #include <linux/slab.h> | |
50 | #include <linux/types.h> | |
51 | #include <linux/pci.h> | |
52 | #include <linux/kdev_t.h> | |
53 | #include <linux/blkdev.h> | |
54 | #include <linux/delay.h> | |
55 | #include <linux/interrupt.h> | |
56 | #include <linux/dma-mapping.h> | |
57 | #include <linux/sort.h> | |
58 | #include <linux/io.h> | |
a8ebd76c | 59 | #include <linux/time.h> |
845a0e40 | 60 | #include <linux/kthread.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 | 68 | |
aff132d9 | 69 | #define MAX_HBA_QUEUE_DEPTH 30000 |
70 | #define MAX_CHAIN_DEPTH 100000 | |
635374e7 EM |
71 | static int max_queue_depth = -1; |
72 | module_param(max_queue_depth, int, 0); | |
73 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); | |
74 | ||
75 | static int max_sgl_entries = -1; | |
76 | module_param(max_sgl_entries, int, 0); | |
77 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); | |
78 | ||
79 | static int msix_disable = -1; | |
80 | module_param(msix_disable, int, 0); | |
81 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); | |
82 | ||
6cb8ef57 KD |
83 | static int missing_delay[2] = {-1, -1}; |
84 | module_param_array(missing_delay, int, NULL, 0); | |
85 | MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); | |
86 | ||
921cd802 | 87 | static int mpt2sas_fwfault_debug; |
88 | MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " | |
89 | "and halt firmware - (default=0)"); | |
90 | ||
91 | static int disable_discovery = -1; | |
92 | module_param(disable_discovery, int, 0); | |
93 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); | |
94 | ||
fa7f3167 KD |
95 | /** |
96 | * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. | |
97 | * | |
98 | */ | |
99 | static int | |
100 | _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) | |
101 | { | |
102 | int ret = param_set_int(val, kp); | |
103 | struct MPT2SAS_ADAPTER *ioc; | |
104 | ||
105 | if (ret) | |
106 | return ret; | |
107 | ||
e75b9b6d | 108 | printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); |
fa7f3167 KD |
109 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
110 | ioc->fwfault_debug = mpt2sas_fwfault_debug; | |
111 | return 0; | |
112 | } | |
845a0e40 | 113 | |
fa7f3167 KD |
114 | module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, |
115 | param_get_int, &mpt2sas_fwfault_debug, 0644); | |
116 | ||
845a0e40 | 117 | /** |
118 | * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc | |
119 | * @arg: input argument, used to derive ioc | |
120 | * | |
121 | * Return 0 if controller is removed from pci subsystem. | |
122 | * Return -1 for other case. | |
123 | */ | |
124 | static int mpt2sas_remove_dead_ioc_func(void *arg) | |
125 | { | |
126 | struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; | |
127 | struct pci_dev *pdev; | |
128 | ||
129 | if ((ioc == NULL)) | |
130 | return -1; | |
131 | ||
132 | pdev = ioc->pdev; | |
133 | if ((pdev == NULL)) | |
134 | return -1; | |
210647af | 135 | pci_stop_and_remove_bus_device(pdev); |
845a0e40 | 136 | return 0; |
137 | } | |
138 | ||
139 | ||
635374e7 EM |
140 | /** |
141 | * _base_fault_reset_work - workq handling ioc fault conditions | |
142 | * @work: input argument, used to derive ioc | |
143 | * Context: sleep. | |
144 | * | |
145 | * Return nothing. | |
146 | */ | |
147 | static void | |
148 | _base_fault_reset_work(struct work_struct *work) | |
149 | { | |
150 | struct MPT2SAS_ADAPTER *ioc = | |
151 | container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); | |
152 | unsigned long flags; | |
153 | u32 doorbell; | |
154 | int rc; | |
845a0e40 | 155 | struct task_struct *p; |
635374e7 EM |
156 | |
157 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
155dd4c7 | 158 | if (ioc->shost_recovery) |
635374e7 EM |
159 | goto rearm_timer; |
160 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
161 | ||
162 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
845a0e40 | 163 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { |
164 | printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", | |
165 | ioc->name, __func__); | |
166 | ||
167 | /* | |
168 | * Call _scsih_flush_pending_cmds callback so that we flush all | |
169 | * pending commands back to OS. This call is required to aovid | |
170 | * deadlock at block layer. Dead IOC will fail to do diag reset, | |
171 | * and this call is safe since dead ioc will never return any | |
172 | * command back from HW. | |
173 | */ | |
174 | ioc->schedule_dead_ioc_flush_running_cmds(ioc); | |
175 | /* | |
176 | * Set remove_host flag early since kernel thread will | |
177 | * take some time to execute. | |
178 | */ | |
179 | ioc->remove_host = 1; | |
180 | /*Remove the Dead Host */ | |
181 | p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, | |
182 | "mpt2sas_dead_ioc_%d", ioc->id); | |
183 | if (IS_ERR(p)) { | |
184 | printk(MPT2SAS_ERR_FMT | |
185 | "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", | |
186 | ioc->name, __func__); | |
187 | } else { | |
188 | printk(MPT2SAS_ERR_FMT | |
189 | "%s: Running mpt2sas_dead_ioc thread success !!!!\n", | |
190 | ioc->name, __func__); | |
191 | } | |
192 | ||
193 | return; /* don't rearm timer */ | |
194 | } | |
195 | ||
635374e7 EM |
196 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
197 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
198 | FORCE_BIG_HAMMER); | |
199 | printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, | |
200 | __func__, (rc == 0) ? "success" : "failed"); | |
201 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
202 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
203 | mpt2sas_base_fault_info(ioc, doorbell & | |
204 | MPI2_DOORBELL_DATA_MASK); | |
205 | } | |
206 | ||
207 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
208 | rearm_timer: | |
209 | if (ioc->fault_reset_work_q) | |
210 | queue_delayed_work(ioc->fault_reset_work_q, | |
211 | &ioc->fault_reset_work, | |
212 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
213 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
214 | } | |
215 | ||
e4750c98 KD |
216 | /** |
217 | * mpt2sas_base_start_watchdog - start the fault_reset_work_q | |
cef7a12c | 218 | * @ioc: per adapter object |
e4750c98 KD |
219 | * Context: sleep. |
220 | * | |
221 | * Return nothing. | |
222 | */ | |
223 | void | |
224 | mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
225 | { | |
226 | unsigned long flags; | |
227 | ||
228 | if (ioc->fault_reset_work_q) | |
229 | return; | |
230 | ||
231 | /* initialize fault polling */ | |
232 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); | |
233 | snprintf(ioc->fault_reset_work_q_name, | |
234 | sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); | |
235 | ioc->fault_reset_work_q = | |
236 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); | |
237 | if (!ioc->fault_reset_work_q) { | |
238 | printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", | |
239 | ioc->name, __func__, __LINE__); | |
240 | return; | |
241 | } | |
242 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
243 | if (ioc->fault_reset_work_q) | |
244 | queue_delayed_work(ioc->fault_reset_work_q, | |
245 | &ioc->fault_reset_work, | |
246 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
247 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
248 | } | |
249 | ||
250 | /** | |
251 | * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q | |
cef7a12c | 252 | * @ioc: per adapter object |
e4750c98 KD |
253 | * Context: sleep. |
254 | * | |
255 | * Return nothing. | |
256 | */ | |
257 | void | |
258 | mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
259 | { | |
260 | unsigned long flags; | |
261 | struct workqueue_struct *wq; | |
262 | ||
263 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
264 | wq = ioc->fault_reset_work_q; | |
265 | ioc->fault_reset_work_q = NULL; | |
266 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
267 | if (wq) { | |
268 | if (!cancel_delayed_work(&ioc->fault_reset_work)) | |
269 | flush_workqueue(wq); | |
270 | destroy_workqueue(wq); | |
271 | } | |
272 | } | |
273 | ||
fa7f3167 KD |
274 | /** |
275 | * mpt2sas_base_fault_info - verbose translation of firmware FAULT code | |
276 | * @ioc: per adapter object | |
277 | * @fault_code: fault code | |
278 | * | |
279 | * Return nothing. | |
280 | */ | |
281 | void | |
282 | mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) | |
283 | { | |
284 | printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", | |
285 | ioc->name, fault_code); | |
286 | } | |
287 | ||
288 | /** | |
289 | * mpt2sas_halt_firmware - halt's mpt controller firmware | |
290 | * @ioc: per adapter object | |
291 | * | |
292 | * For debugging timeout related issues. Writing 0xCOFFEE00 | |
293 | * to the doorbell register will halt controller firmware. With | |
294 | * the purpose to stop both driver and firmware, the enduser can | |
295 | * obtain a ring buffer from controller UART. | |
296 | */ | |
297 | void | |
298 | mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) | |
299 | { | |
300 | u32 doorbell; | |
301 | ||
302 | if (!ioc->fwfault_debug) | |
303 | return; | |
304 | ||
305 | dump_stack(); | |
306 | ||
307 | doorbell = readl(&ioc->chip->Doorbell); | |
308 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
309 | mpt2sas_base_fault_info(ioc , doorbell); | |
310 | else { | |
311 | writel(0xC0FFEE00, &ioc->chip->Doorbell); | |
312 | printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " | |
313 | "timeout\n", ioc->name); | |
314 | } | |
315 | ||
316 | panic("panic in %s\n", __func__); | |
317 | } | |
318 | ||
635374e7 EM |
319 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
320 | /** | |
321 | * _base_sas_ioc_info - verbose translation of the ioc status | |
cef7a12c | 322 | * @ioc: per adapter object |
635374e7 EM |
323 | * @mpi_reply: reply mf payload returned from firmware |
324 | * @request_hdr: request mf | |
325 | * | |
326 | * Return nothing. | |
327 | */ | |
328 | static void | |
329 | _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, | |
330 | MPI2RequestHeader_t *request_hdr) | |
331 | { | |
332 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
333 | MPI2_IOCSTATUS_MASK; | |
334 | char *desc = NULL; | |
335 | u16 frame_sz; | |
336 | char *func_str = NULL; | |
337 | ||
338 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ | |
339 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
340 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
341 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) | |
342 | return; | |
343 | ||
e94f6747 KD |
344 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
345 | return; | |
346 | ||
635374e7 EM |
347 | switch (ioc_status) { |
348 | ||
349 | /**************************************************************************** | |
350 | * Common IOCStatus values for all replies | |
351 | ****************************************************************************/ | |
352 | ||
353 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
354 | desc = "invalid function"; | |
355 | break; | |
356 | case MPI2_IOCSTATUS_BUSY: | |
357 | desc = "busy"; | |
358 | break; | |
359 | case MPI2_IOCSTATUS_INVALID_SGL: | |
360 | desc = "invalid sgl"; | |
361 | break; | |
362 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
363 | desc = "internal error"; | |
364 | break; | |
365 | case MPI2_IOCSTATUS_INVALID_VPID: | |
366 | desc = "invalid vpid"; | |
367 | break; | |
368 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
369 | desc = "insufficient resources"; | |
370 | break; | |
371 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
372 | desc = "invalid field"; | |
373 | break; | |
374 | case MPI2_IOCSTATUS_INVALID_STATE: | |
375 | desc = "invalid state"; | |
376 | break; | |
377 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: | |
378 | desc = "op state not supported"; | |
379 | break; | |
380 | ||
381 | /**************************************************************************** | |
382 | * Config IOCStatus values | |
383 | ****************************************************************************/ | |
384 | ||
385 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: | |
386 | desc = "config invalid action"; | |
387 | break; | |
388 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: | |
389 | desc = "config invalid type"; | |
390 | break; | |
391 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: | |
392 | desc = "config invalid page"; | |
393 | break; | |
394 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: | |
395 | desc = "config invalid data"; | |
396 | break; | |
397 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: | |
398 | desc = "config no defaults"; | |
399 | break; | |
400 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: | |
401 | desc = "config cant commit"; | |
402 | break; | |
403 | ||
404 | /**************************************************************************** | |
405 | * SCSI IO Reply | |
406 | ****************************************************************************/ | |
407 | ||
408 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
409 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
410 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
411 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
412 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
413 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
414 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
415 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
416 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
417 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
418 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
419 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
420 | break; | |
421 | ||
422 | /**************************************************************************** | |
423 | * For use by SCSI Initiator and SCSI Target end-to-end data protection | |
424 | ****************************************************************************/ | |
425 | ||
426 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
427 | desc = "eedp guard error"; | |
428 | break; | |
429 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
430 | desc = "eedp ref tag error"; | |
431 | break; | |
432 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
433 | desc = "eedp app tag error"; | |
434 | break; | |
435 | ||
436 | /**************************************************************************** | |
437 | * SCSI Target values | |
438 | ****************************************************************************/ | |
439 | ||
440 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: | |
441 | desc = "target invalid io index"; | |
442 | break; | |
443 | case MPI2_IOCSTATUS_TARGET_ABORTED: | |
444 | desc = "target aborted"; | |
445 | break; | |
446 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: | |
447 | desc = "target no conn retryable"; | |
448 | break; | |
449 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: | |
450 | desc = "target no connection"; | |
451 | break; | |
452 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: | |
453 | desc = "target xfer count mismatch"; | |
454 | break; | |
455 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: | |
456 | desc = "target data offset error"; | |
457 | break; | |
458 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: | |
459 | desc = "target too much write data"; | |
460 | break; | |
461 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: | |
462 | desc = "target iu too short"; | |
463 | break; | |
464 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: | |
465 | desc = "target ack nak timeout"; | |
466 | break; | |
467 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: | |
468 | desc = "target nak received"; | |
469 | break; | |
470 | ||
471 | /**************************************************************************** | |
472 | * Serial Attached SCSI values | |
473 | ****************************************************************************/ | |
474 | ||
475 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: | |
476 | desc = "smp request failed"; | |
477 | break; | |
478 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: | |
479 | desc = "smp data overrun"; | |
480 | break; | |
481 | ||
482 | /**************************************************************************** | |
483 | * Diagnostic Buffer Post / Diagnostic Release values | |
484 | ****************************************************************************/ | |
485 | ||
486 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: | |
487 | desc = "diagnostic released"; | |
488 | break; | |
489 | default: | |
490 | break; | |
491 | } | |
492 | ||
493 | if (!desc) | |
494 | return; | |
495 | ||
496 | switch (request_hdr->Function) { | |
497 | case MPI2_FUNCTION_CONFIG: | |
498 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; | |
499 | func_str = "config_page"; | |
500 | break; | |
501 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
502 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); | |
503 | func_str = "task_mgmt"; | |
504 | break; | |
505 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
506 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); | |
507 | func_str = "sas_iounit_ctl"; | |
508 | break; | |
509 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
510 | frame_sz = sizeof(Mpi2SepRequest_t); | |
511 | func_str = "enclosure"; | |
512 | break; | |
513 | case MPI2_FUNCTION_IOC_INIT: | |
514 | frame_sz = sizeof(Mpi2IOCInitRequest_t); | |
515 | func_str = "ioc_init"; | |
516 | break; | |
517 | case MPI2_FUNCTION_PORT_ENABLE: | |
518 | frame_sz = sizeof(Mpi2PortEnableRequest_t); | |
519 | func_str = "port_enable"; | |
520 | break; | |
521 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
522 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; | |
523 | func_str = "smp_passthru"; | |
524 | break; | |
525 | default: | |
526 | frame_sz = 32; | |
527 | func_str = "unknown"; | |
528 | break; | |
529 | } | |
530 | ||
531 | printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," | |
532 | " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); | |
533 | ||
534 | _debug_dump_mf(request_hdr, frame_sz/4); | |
535 | } | |
536 | ||
537 | /** | |
538 | * _base_display_event_data - verbose translation of firmware asyn events | |
cef7a12c | 539 | * @ioc: per adapter object |
635374e7 EM |
540 | * @mpi_reply: reply mf payload returned from firmware |
541 | * | |
542 | * Return nothing. | |
543 | */ | |
544 | static void | |
545 | _base_display_event_data(struct MPT2SAS_ADAPTER *ioc, | |
546 | Mpi2EventNotificationReply_t *mpi_reply) | |
547 | { | |
548 | char *desc = NULL; | |
549 | u16 event; | |
550 | ||
551 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) | |
552 | return; | |
553 | ||
554 | event = le16_to_cpu(mpi_reply->Event); | |
555 | ||
556 | switch (event) { | |
557 | case MPI2_EVENT_LOG_DATA: | |
558 | desc = "Log Data"; | |
559 | break; | |
560 | case MPI2_EVENT_STATE_CHANGE: | |
561 | desc = "Status Change"; | |
562 | break; | |
563 | case MPI2_EVENT_HARD_RESET_RECEIVED: | |
564 | desc = "Hard Reset Received"; | |
565 | break; | |
566 | case MPI2_EVENT_EVENT_CHANGE: | |
567 | desc = "Event Change"; | |
568 | break; | |
635374e7 EM |
569 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
570 | desc = "Device Status Change"; | |
571 | break; | |
572 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
0bdccdb0 KD |
573 | if (!ioc->hide_ir_msg) |
574 | desc = "IR Operation Status"; | |
635374e7 EM |
575 | break; |
576 | case MPI2_EVENT_SAS_DISCOVERY: | |
e94f6747 KD |
577 | { |
578 | Mpi2EventDataSasDiscovery_t *event_data = | |
579 | (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; | |
580 | printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, | |
581 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
582 | "start" : "stop"); | |
583 | if (event_data->DiscoveryStatus) | |
584 | printk("discovery_status(0x%08x)", | |
585 | le32_to_cpu(event_data->DiscoveryStatus)); | |
7968f194 | 586 | printk("\n"); |
e94f6747 KD |
587 | return; |
588 | } | |
635374e7 EM |
589 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
590 | desc = "SAS Broadcast Primitive"; | |
591 | break; | |
592 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: | |
593 | desc = "SAS Init Device Status Change"; | |
594 | break; | |
595 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: | |
596 | desc = "SAS Init Table Overflow"; | |
597 | break; | |
598 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
599 | desc = "SAS Topology Change List"; | |
600 | break; | |
601 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
602 | desc = "SAS Enclosure Device Status Change"; | |
603 | break; | |
604 | case MPI2_EVENT_IR_VOLUME: | |
0bdccdb0 KD |
605 | if (!ioc->hide_ir_msg) |
606 | desc = "IR Volume"; | |
635374e7 EM |
607 | break; |
608 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
0bdccdb0 KD |
609 | if (!ioc->hide_ir_msg) |
610 | desc = "IR Physical Disk"; | |
635374e7 EM |
611 | break; |
612 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
0bdccdb0 KD |
613 | if (!ioc->hide_ir_msg) |
614 | desc = "IR Configuration Change List"; | |
635374e7 EM |
615 | break; |
616 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
0bdccdb0 KD |
617 | if (!ioc->hide_ir_msg) |
618 | desc = "Log Entry Added"; | |
635374e7 EM |
619 | break; |
620 | } | |
621 | ||
622 | if (!desc) | |
623 | return; | |
624 | ||
625 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); | |
626 | } | |
627 | #endif | |
628 | ||
629 | /** | |
630 | * _base_sas_log_info - verbose translation of firmware log info | |
cef7a12c | 631 | * @ioc: per adapter object |
635374e7 EM |
632 | * @log_info: log info |
633 | * | |
634 | * Return nothing. | |
635 | */ | |
636 | static void | |
637 | _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) | |
638 | { | |
639 | union loginfo_type { | |
640 | u32 loginfo; | |
641 | struct { | |
642 | u32 subcode:16; | |
643 | u32 code:8; | |
644 | u32 originator:4; | |
645 | u32 bus_type:4; | |
646 | } dw; | |
647 | }; | |
648 | union loginfo_type sas_loginfo; | |
649 | char *originator_str = NULL; | |
650 | ||
651 | sas_loginfo.loginfo = log_info; | |
652 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) | |
653 | return; | |
654 | ||
be9e8cd7 KD |
655 | /* each nexus loss loginfo */ |
656 | if (log_info == 0x31170000) | |
657 | return; | |
658 | ||
635374e7 | 659 | /* eat the loginfos associated with task aborts */ |
714be358 | 660 | if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == |
635374e7 EM |
661 | 0x31140000 || log_info == 0x31130000)) |
662 | return; | |
663 | ||
664 | switch (sas_loginfo.dw.originator) { | |
665 | case 0: | |
666 | originator_str = "IOP"; | |
667 | break; | |
668 | case 1: | |
669 | originator_str = "PL"; | |
670 | break; | |
671 | case 2: | |
0bdccdb0 KD |
672 | if (!ioc->hide_ir_msg) |
673 | originator_str = "IR"; | |
674 | else | |
675 | originator_str = "WarpDrive"; | |
635374e7 EM |
676 | break; |
677 | } | |
678 | ||
679 | printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " | |
680 | "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, | |
681 | originator_str, sas_loginfo.dw.code, | |
682 | sas_loginfo.dw.subcode); | |
683 | } | |
684 | ||
635374e7 EM |
685 | /** |
686 | * _base_display_reply_info - | |
cef7a12c | 687 | * @ioc: per adapter object |
635374e7 | 688 | * @smid: system request message index |
7b936b02 | 689 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
690 | * @reply: reply message frame(lower 32bit addr) |
691 | * | |
692 | * Return nothing. | |
693 | */ | |
694 | static void | |
7b936b02 | 695 | _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
635374e7 EM |
696 | u32 reply) |
697 | { | |
698 | MPI2DefaultReply_t *mpi_reply; | |
699 | u16 ioc_status; | |
700 | ||
701 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
702 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
703 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
704 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && | |
705 | (ioc->logging_level & MPT_DEBUG_REPLY)) { | |
706 | _base_sas_ioc_info(ioc , mpi_reply, | |
707 | mpt2sas_base_get_msg_frame(ioc, smid)); | |
708 | } | |
709 | #endif | |
710 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
711 | _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
712 | } | |
713 | ||
714 | /** | |
715 | * mpt2sas_base_done - base internal command completion routine | |
cef7a12c | 716 | * @ioc: per adapter object |
635374e7 | 717 | * @smid: system request message index |
7b936b02 | 718 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
719 | * @reply: reply message frame(lower 32bit addr) |
720 | * | |
77e63ed4 KD |
721 | * Return 1 meaning mf should be freed from _base_interrupt |
722 | * 0 means the mf is freed from this function. | |
635374e7 | 723 | */ |
77e63ed4 | 724 | u8 |
7b936b02 KD |
725 | mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
726 | u32 reply) | |
635374e7 EM |
727 | { |
728 | MPI2DefaultReply_t *mpi_reply; | |
729 | ||
730 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
731 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
77e63ed4 | 732 | return 1; |
635374e7 EM |
733 | |
734 | if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 735 | return 1; |
635374e7 EM |
736 | |
737 | ioc->base_cmds.status |= MPT2_CMD_COMPLETE; | |
738 | if (mpi_reply) { | |
739 | ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; | |
740 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
741 | } | |
742 | ioc->base_cmds.status &= ~MPT2_CMD_PENDING; | |
921cd802 | 743 | |
635374e7 | 744 | complete(&ioc->base_cmds.done); |
77e63ed4 | 745 | return 1; |
635374e7 EM |
746 | } |
747 | ||
748 | /** | |
749 | * _base_async_event - main callback handler for firmware asyn events | |
cef7a12c | 750 | * @ioc: per adapter object |
7b936b02 | 751 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
752 | * @reply: reply message frame(lower 32bit addr) |
753 | * | |
77e63ed4 KD |
754 | * Return 1 meaning mf should be freed from _base_interrupt |
755 | * 0 means the mf is freed from this function. | |
635374e7 | 756 | */ |
77e63ed4 | 757 | static u8 |
7b936b02 | 758 | _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) |
635374e7 EM |
759 | { |
760 | Mpi2EventNotificationReply_t *mpi_reply; | |
761 | Mpi2EventAckRequest_t *ack_request; | |
762 | u16 smid; | |
763 | ||
764 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
765 | if (!mpi_reply) | |
77e63ed4 | 766 | return 1; |
635374e7 | 767 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) |
77e63ed4 | 768 | return 1; |
635374e7 EM |
769 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
770 | _base_display_event_data(ioc, mpi_reply); | |
771 | #endif | |
772 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) | |
773 | goto out; | |
774 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
775 | if (!smid) { | |
776 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
777 | ioc->name, __func__); | |
778 | goto out; | |
779 | } | |
780 | ||
781 | ack_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
782 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
783 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
784 | ack_request->Event = mpi_reply->Event; | |
785 | ack_request->EventContext = mpi_reply->EventContext; | |
7b936b02 KD |
786 | ack_request->VF_ID = 0; /* TODO */ |
787 | ack_request->VP_ID = 0; | |
788 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
789 | |
790 | out: | |
791 | ||
792 | /* scsih callback handler */ | |
7b936b02 | 793 | mpt2sas_scsih_event_callback(ioc, msix_index, reply); |
635374e7 EM |
794 | |
795 | /* ctl callback handler */ | |
7b936b02 | 796 | mpt2sas_ctl_event_callback(ioc, msix_index, reply); |
77e63ed4 KD |
797 | |
798 | return 1; | |
635374e7 EM |
799 | } |
800 | ||
595bb0bd KD |
801 | /** |
802 | * _base_get_cb_idx - obtain the callback index | |
803 | * @ioc: per adapter object | |
804 | * @smid: system request message index | |
805 | * | |
806 | * Return callback index. | |
807 | */ | |
808 | static u8 | |
809 | _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
810 | { | |
811 | int i; | |
d5bd3491 KD |
812 | u8 cb_idx; |
813 | ||
814 | if (smid < ioc->hi_priority_smid) { | |
595bb0bd KD |
815 | i = smid - 1; |
816 | cb_idx = ioc->scsi_lookup[i].cb_idx; | |
d5bd3491 KD |
817 | } else if (smid < ioc->internal_smid) { |
818 | i = smid - ioc->hi_priority_smid; | |
819 | cb_idx = ioc->hpr_lookup[i].cb_idx; | |
820 | } else if (smid <= ioc->hba_queue_depth) { | |
821 | i = smid - ioc->internal_smid; | |
822 | cb_idx = ioc->internal_lookup[i].cb_idx; | |
823 | } else | |
824 | cb_idx = 0xFF; | |
595bb0bd KD |
825 | return cb_idx; |
826 | } | |
827 | ||
635374e7 EM |
828 | /** |
829 | * _base_mask_interrupts - disable interrupts | |
cef7a12c | 830 | * @ioc: per adapter object |
635374e7 EM |
831 | * |
832 | * Disabling ResetIRQ, Reply and Doorbell Interrupts | |
833 | * | |
834 | * Return nothing. | |
835 | */ | |
836 | static void | |
837 | _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
838 | { | |
839 | u32 him_register; | |
840 | ||
841 | ioc->mask_interrupts = 1; | |
842 | him_register = readl(&ioc->chip->HostInterruptMask); | |
843 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; | |
844 | writel(him_register, &ioc->chip->HostInterruptMask); | |
845 | readl(&ioc->chip->HostInterruptMask); | |
846 | } | |
847 | ||
848 | /** | |
849 | * _base_unmask_interrupts - enable interrupts | |
cef7a12c | 850 | * @ioc: per adapter object |
635374e7 EM |
851 | * |
852 | * Enabling only Reply Interrupts | |
853 | * | |
854 | * Return nothing. | |
855 | */ | |
856 | static void | |
857 | _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
858 | { | |
859 | u32 him_register; | |
860 | ||
635374e7 EM |
861 | him_register = readl(&ioc->chip->HostInterruptMask); |
862 | him_register &= ~MPI2_HIM_RIM; | |
863 | writel(him_register, &ioc->chip->HostInterruptMask); | |
864 | ioc->mask_interrupts = 0; | |
865 | } | |
866 | ||
5b768581 KD |
867 | union reply_descriptor { |
868 | u64 word; | |
869 | struct { | |
870 | u32 low; | |
871 | u32 high; | |
872 | } u; | |
873 | }; | |
874 | ||
635374e7 EM |
875 | /** |
876 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. | |
877 | * @irq: irq number (not used) | |
878 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure | |
879 | * @r: pt_regs pointer (not used) | |
880 | * | |
881 | * Return IRQ_HANDLE if processed, else IRQ_NONE. | |
882 | */ | |
883 | static irqreturn_t | |
884 | _base_interrupt(int irq, void *bus_id) | |
885 | { | |
911ae943 | 886 | struct adapter_reply_queue *reply_q = bus_id; |
03ea1115 | 887 | union reply_descriptor rd; |
5b768581 | 888 | u32 completed_cmds; |
635374e7 EM |
889 | u8 request_desript_type; |
890 | u16 smid; | |
891 | u8 cb_idx; | |
892 | u32 reply; | |
911ae943 | 893 | u8 msix_index = reply_q->msix_index; |
894 | struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; | |
5b768581 | 895 | Mpi2ReplyDescriptorsUnion_t *rpf; |
77e63ed4 | 896 | u8 rc; |
635374e7 EM |
897 | |
898 | if (ioc->mask_interrupts) | |
899 | return IRQ_NONE; | |
900 | ||
911ae943 | 901 | if (!atomic_add_unless(&reply_q->busy, 1, 1)) |
902 | return IRQ_NONE; | |
903 | ||
904 | rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; | |
5b768581 KD |
905 | request_desript_type = rpf->Default.ReplyFlags |
906 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
911ae943 | 907 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { |
908 | atomic_dec(&reply_q->busy); | |
635374e7 | 909 | return IRQ_NONE; |
911ae943 | 910 | } |
635374e7 EM |
911 | |
912 | completed_cmds = 0; | |
dd3741d3 | 913 | cb_idx = 0xFF; |
635374e7 | 914 | do { |
c97951ec | 915 | rd.word = le64_to_cpu(rpf->Words); |
03ea1115 | 916 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) |
635374e7 EM |
917 | goto out; |
918 | reply = 0; | |
5b768581 | 919 | smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); |
635374e7 EM |
920 | if (request_desript_type == |
921 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { | |
5b768581 KD |
922 | reply = le32_to_cpu |
923 | (rpf->AddressReply.ReplyFrameAddress); | |
dd3741d3 KD |
924 | if (reply > ioc->reply_dma_max_address || |
925 | reply < ioc->reply_dma_min_address) | |
926 | reply = 0; | |
635374e7 EM |
927 | } else if (request_desript_type == |
928 | MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) | |
929 | goto next; | |
930 | else if (request_desript_type == | |
931 | MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) | |
932 | goto next; | |
933 | if (smid) | |
595bb0bd | 934 | cb_idx = _base_get_cb_idx(ioc, smid); |
635374e7 | 935 | if (smid && cb_idx != 0xFF) { |
77e63ed4 | 936 | rc = mpt_callbacks[cb_idx](ioc, smid, msix_index, |
595bb0bd | 937 | reply); |
635374e7 | 938 | if (reply) |
7b936b02 | 939 | _base_display_reply_info(ioc, smid, msix_index, |
635374e7 | 940 | reply); |
77e63ed4 KD |
941 | if (rc) |
942 | mpt2sas_base_free_smid(ioc, smid); | |
635374e7 EM |
943 | } |
944 | if (!smid) | |
7b936b02 | 945 | _base_async_event(ioc, msix_index, reply); |
635374e7 EM |
946 | |
947 | /* reply free queue handling */ | |
948 | if (reply) { | |
949 | ioc->reply_free_host_index = | |
950 | (ioc->reply_free_host_index == | |
951 | (ioc->reply_free_queue_depth - 1)) ? | |
952 | 0 : ioc->reply_free_host_index + 1; | |
953 | ioc->reply_free[ioc->reply_free_host_index] = | |
954 | cpu_to_le32(reply); | |
5b768581 | 955 | wmb(); |
635374e7 EM |
956 | writel(ioc->reply_free_host_index, |
957 | &ioc->chip->ReplyFreeHostIndex); | |
635374e7 EM |
958 | } |
959 | ||
960 | next: | |
5b768581 | 961 | |
c97951ec | 962 | rpf->Words = cpu_to_le64(ULLONG_MAX); |
911ae943 | 963 | reply_q->reply_post_host_index = |
964 | (reply_q->reply_post_host_index == | |
5b768581 | 965 | (ioc->reply_post_queue_depth - 1)) ? 0 : |
911ae943 | 966 | reply_q->reply_post_host_index + 1; |
635374e7 | 967 | request_desript_type = |
911ae943 | 968 | reply_q->reply_post_free[reply_q->reply_post_host_index]. |
969 | Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
635374e7 EM |
970 | completed_cmds++; |
971 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
972 | goto out; | |
911ae943 | 973 | if (!reply_q->reply_post_host_index) |
974 | rpf = reply_q->reply_post_free; | |
5b768581 KD |
975 | else |
976 | rpf++; | |
635374e7 EM |
977 | } while (1); |
978 | ||
979 | out: | |
980 | ||
911ae943 | 981 | if (!completed_cmds) { |
982 | atomic_dec(&reply_q->busy); | |
635374e7 | 983 | return IRQ_NONE; |
911ae943 | 984 | } |
635374e7 | 985 | wmb(); |
911ae943 | 986 | if (ioc->is_warpdrive) { |
987 | writel(reply_q->reply_post_host_index, | |
988 | ioc->reply_post_host_index[msix_index]); | |
989 | atomic_dec(&reply_q->busy); | |
990 | return IRQ_HANDLED; | |
991 | } | |
992 | writel(reply_q->reply_post_host_index | (msix_index << | |
993 | MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); | |
994 | atomic_dec(&reply_q->busy); | |
635374e7 EM |
995 | return IRQ_HANDLED; |
996 | } | |
997 | ||
911ae943 | 998 | /** |
999 | * _base_is_controller_msix_enabled - is controller support muli-reply queues | |
1000 | * @ioc: per adapter object | |
1001 | * | |
1002 | */ | |
1003 | static inline int | |
1004 | _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) | |
1005 | { | |
1006 | return (ioc->facts.IOCCapabilities & | |
1007 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; | |
1008 | } | |
1009 | ||
1010 | /** | |
1011 | * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues | |
1012 | * @ioc: per adapter object | |
1013 | * Context: ISR conext | |
1014 | * | |
1015 | * Called when a Task Management request has completed. We want | |
1016 | * to flush the other reply queues so all the outstanding IO has been | |
1017 | * completed back to OS before we process the TM completetion. | |
1018 | * | |
1019 | * Return nothing. | |
1020 | */ | |
1021 | void | |
1022 | mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) | |
1023 | { | |
1024 | struct adapter_reply_queue *reply_q; | |
1025 | ||
1026 | /* If MSIX capability is turned off | |
1027 | * then multi-queues are not enabled | |
1028 | */ | |
1029 | if (!_base_is_controller_msix_enabled(ioc)) | |
1030 | return; | |
1031 | ||
1032 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
1033 | if (ioc->shost_recovery) | |
1034 | return; | |
1035 | /* TMs are on msix_index == 0 */ | |
1036 | if (reply_q->msix_index == 0) | |
1037 | continue; | |
1038 | _base_interrupt(reply_q->vector, (void *)reply_q); | |
1039 | } | |
1040 | } | |
1041 | ||
635374e7 | 1042 | /** |
25985edc | 1043 | * mpt2sas_base_release_callback_handler - clear interrupt callback handler |
635374e7 EM |
1044 | * @cb_idx: callback index |
1045 | * | |
1046 | * Return nothing. | |
1047 | */ | |
1048 | void | |
1049 | mpt2sas_base_release_callback_handler(u8 cb_idx) | |
1050 | { | |
1051 | mpt_callbacks[cb_idx] = NULL; | |
1052 | } | |
1053 | ||
1054 | /** | |
1055 | * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler | |
1056 | * @cb_func: callback function | |
1057 | * | |
1058 | * Returns cb_func. | |
1059 | */ | |
1060 | u8 | |
1061 | mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) | |
1062 | { | |
1063 | u8 cb_idx; | |
1064 | ||
1065 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) | |
1066 | if (mpt_callbacks[cb_idx] == NULL) | |
1067 | break; | |
1068 | ||
1069 | mpt_callbacks[cb_idx] = cb_func; | |
1070 | return cb_idx; | |
1071 | } | |
1072 | ||
1073 | /** | |
1074 | * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler | |
1075 | * | |
1076 | * Return nothing. | |
1077 | */ | |
1078 | void | |
1079 | mpt2sas_base_initialize_callback_handler(void) | |
1080 | { | |
1081 | u8 cb_idx; | |
1082 | ||
1083 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) | |
1084 | mpt2sas_base_release_callback_handler(cb_idx); | |
1085 | } | |
1086 | ||
1087 | /** | |
1088 | * mpt2sas_base_build_zero_len_sge - build zero length sg entry | |
1089 | * @ioc: per adapter object | |
1090 | * @paddr: virtual address for SGE | |
1091 | * | |
1092 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
1093 | * something to use if the target device goes brain dead and tries | |
1094 | * to send data even when none is asked for. | |
1095 | * | |
1096 | * Return nothing. | |
1097 | */ | |
1098 | void | |
1099 | mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) | |
1100 | { | |
1101 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1102 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | | |
1103 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << | |
1104 | MPI2_SGE_FLAGS_SHIFT); | |
1105 | ioc->base_add_sg_single(paddr, flags_length, -1); | |
1106 | } | |
1107 | ||
1108 | /** | |
1109 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. | |
1110 | * @paddr: virtual address for SGE | |
1111 | * @flags_length: SGE flags and data transfer length | |
1112 | * @dma_addr: Physical address | |
1113 | * | |
1114 | * Return nothing. | |
1115 | */ | |
1116 | static void | |
1117 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1118 | { | |
1119 | Mpi2SGESimple32_t *sgel = paddr; | |
1120 | ||
1121 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | | |
1122 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1123 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1124 | sgel->Address = cpu_to_le32(dma_addr); | |
1125 | } | |
1126 | ||
1127 | ||
1128 | /** | |
1129 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. | |
1130 | * @paddr: virtual address for SGE | |
1131 | * @flags_length: SGE flags and data transfer length | |
1132 | * @dma_addr: Physical address | |
1133 | * | |
1134 | * Return nothing. | |
1135 | */ | |
1136 | static void | |
1137 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1138 | { | |
1139 | Mpi2SGESimple64_t *sgel = paddr; | |
1140 | ||
1141 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | | |
1142 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1143 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1144 | sgel->Address = cpu_to_le64(dma_addr); | |
1145 | } | |
1146 | ||
1147 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) | |
1148 | ||
1149 | /** | |
1150 | * _base_config_dma_addressing - set dma addressing | |
1151 | * @ioc: per adapter object | |
1152 | * @pdev: PCI device struct | |
1153 | * | |
1154 | * Returns 0 for success, non-zero for failure. | |
1155 | */ | |
1156 | static int | |
1157 | _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) | |
1158 | { | |
1159 | struct sysinfo s; | |
1160 | char *desc = NULL; | |
1161 | ||
1162 | if (sizeof(dma_addr_t) > 4) { | |
1163 | const uint64_t required_mask = | |
1164 | dma_get_required_mask(&pdev->dev); | |
e930438c YH |
1165 | if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev, |
1166 | DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev, | |
1167 | DMA_BIT_MASK(64))) { | |
635374e7 EM |
1168 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
1169 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); | |
1170 | desc = "64"; | |
1171 | goto out; | |
1172 | } | |
1173 | } | |
1174 | ||
e930438c YH |
1175 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) |
1176 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
635374e7 EM |
1177 | ioc->base_add_sg_single = &_base_add_sg_single_32; |
1178 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); | |
1179 | desc = "32"; | |
1180 | } else | |
1181 | return -ENODEV; | |
1182 | ||
1183 | out: | |
1184 | si_meminfo(&s); | |
1185 | printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, " | |
1186 | "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram)); | |
1187 | ||
1188 | return 0; | |
1189 | } | |
1190 | ||
1191 | /** | |
911ae943 | 1192 | * _base_check_enable_msix - checks MSIX capabable. |
635374e7 EM |
1193 | * @ioc: per adapter object |
1194 | * | |
911ae943 | 1195 | * Check to see if card is capable of MSIX, and set number |
1196 | * of available msix vectors | |
635374e7 | 1197 | */ |
911ae943 | 1198 | static int |
1199 | _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
635374e7 | 1200 | { |
911ae943 | 1201 | int base; |
1202 | u16 message_control; | |
635374e7 | 1203 | |
635374e7 | 1204 | |
911ae943 | 1205 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); |
1206 | if (!base) { | |
1207 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " | |
1208 | "supported\n", ioc->name)); | |
1209 | return -EINVAL; | |
1210 | } | |
1211 | ||
1212 | /* get msix vector count */ | |
1213 | /* NUMA_IO not supported for older controllers */ | |
1214 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || | |
1215 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || | |
1216 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || | |
1217 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || | |
1218 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || | |
1219 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || | |
1220 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) | |
1221 | ioc->msix_vector_count = 1; | |
1222 | else { | |
1223 | pci_read_config_word(ioc->pdev, base + 2, &message_control); | |
1224 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; | |
1225 | } | |
1226 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " | |
1227 | "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); | |
1228 | ||
1229 | return 0; | |
635374e7 EM |
1230 | } |
1231 | ||
1232 | /** | |
911ae943 | 1233 | * _base_free_irq - free irq |
635374e7 EM |
1234 | * @ioc: per adapter object |
1235 | * | |
911ae943 | 1236 | * Freeing respective reply_queue from the list. |
635374e7 EM |
1237 | */ |
1238 | static void | |
911ae943 | 1239 | _base_free_irq(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 1240 | { |
911ae943 | 1241 | struct adapter_reply_queue *reply_q, *next; |
635374e7 | 1242 | |
911ae943 | 1243 | if (list_empty(&ioc->reply_queue_list)) |
635374e7 EM |
1244 | return; |
1245 | ||
911ae943 | 1246 | list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { |
1247 | list_del(&reply_q->list); | |
1248 | synchronize_irq(reply_q->vector); | |
1249 | free_irq(reply_q->vector, reply_q); | |
1250 | kfree(reply_q); | |
1251 | } | |
635374e7 EM |
1252 | } |
1253 | ||
1254 | /** | |
911ae943 | 1255 | * _base_request_irq - request irq |
635374e7 | 1256 | * @ioc: per adapter object |
911ae943 | 1257 | * @index: msix index into vector table |
1258 | * @vector: irq vector | |
635374e7 | 1259 | * |
911ae943 | 1260 | * Inserting respective reply_queue into the list. |
635374e7 EM |
1261 | */ |
1262 | static int | |
911ae943 | 1263 | _base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) |
635374e7 | 1264 | { |
911ae943 | 1265 | struct adapter_reply_queue *reply_q; |
1266 | int r; | |
635374e7 | 1267 | |
911ae943 | 1268 | reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); |
1269 | if (!reply_q) { | |
1270 | printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", | |
1271 | ioc->name, (int)sizeof(struct adapter_reply_queue)); | |
1272 | return -ENOMEM; | |
1273 | } | |
1274 | reply_q->ioc = ioc; | |
1275 | reply_q->msix_index = index; | |
1276 | reply_q->vector = vector; | |
1277 | atomic_set(&reply_q->busy, 0); | |
1278 | if (ioc->msix_enable) | |
1279 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", | |
1280 | MPT2SAS_DRIVER_NAME, ioc->id, index); | |
1281 | else | |
1282 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", | |
1283 | MPT2SAS_DRIVER_NAME, ioc->id); | |
1284 | r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, | |
1285 | reply_q); | |
1286 | if (r) { | |
1287 | printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", | |
1288 | reply_q->name, vector); | |
1289 | kfree(reply_q); | |
1290 | return -EBUSY; | |
635374e7 EM |
1291 | } |
1292 | ||
911ae943 | 1293 | INIT_LIST_HEAD(&reply_q->list); |
1294 | list_add_tail(&reply_q->list, &ioc->reply_queue_list); | |
1295 | return 0; | |
1296 | } | |
635374e7 | 1297 | |
911ae943 | 1298 | /** |
1299 | * _base_assign_reply_queues - assigning msix index for each cpu | |
1300 | * @ioc: per adapter object | |
1301 | * | |
1302 | * The enduser would need to set the affinity via /proc/irq/#/smp_affinity | |
1303 | * | |
1304 | * It would nice if we could call irq_set_affinity, however it is not | |
1305 | * an exported symbol | |
1306 | */ | |
1307 | static void | |
1308 | _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) | |
1309 | { | |
1310 | struct adapter_reply_queue *reply_q; | |
1311 | int cpu_id; | |
1312 | int cpu_grouping, loop, grouping, grouping_mod; | |
635374e7 | 1313 | |
911ae943 | 1314 | if (!_base_is_controller_msix_enabled(ioc)) |
1315 | return; | |
1316 | ||
1317 | memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); | |
1318 | /* when there are more cpus than available msix vectors, | |
1319 | * then group cpus togeather on same irq | |
1320 | */ | |
1321 | if (ioc->cpu_count > ioc->msix_vector_count) { | |
1322 | grouping = ioc->cpu_count / ioc->msix_vector_count; | |
1323 | grouping_mod = ioc->cpu_count % ioc->msix_vector_count; | |
1324 | if (grouping < 2 || (grouping == 2 && !grouping_mod)) | |
1325 | cpu_grouping = 2; | |
1326 | else if (grouping < 4 || (grouping == 4 && !grouping_mod)) | |
1327 | cpu_grouping = 4; | |
1328 | else if (grouping < 8 || (grouping == 8 && !grouping_mod)) | |
1329 | cpu_grouping = 8; | |
1330 | else | |
1331 | cpu_grouping = 16; | |
1332 | } else | |
1333 | cpu_grouping = 0; | |
1334 | ||
1335 | loop = 0; | |
1336 | reply_q = list_entry(ioc->reply_queue_list.next, | |
1337 | struct adapter_reply_queue, list); | |
1338 | for_each_online_cpu(cpu_id) { | |
1339 | if (!cpu_grouping) { | |
1340 | ioc->cpu_msix_table[cpu_id] = reply_q->msix_index; | |
1341 | reply_q = list_entry(reply_q->list.next, | |
1342 | struct adapter_reply_queue, list); | |
1343 | } else { | |
1344 | if (loop < cpu_grouping) { | |
1345 | ioc->cpu_msix_table[cpu_id] = | |
1346 | reply_q->msix_index; | |
1347 | loop++; | |
1348 | } else { | |
1349 | reply_q = list_entry(reply_q->list.next, | |
1350 | struct adapter_reply_queue, list); | |
1351 | ioc->cpu_msix_table[cpu_id] = | |
1352 | reply_q->msix_index; | |
1353 | loop = 1; | |
1354 | } | |
1355 | } | |
1356 | } | |
635374e7 EM |
1357 | } |
1358 | ||
1359 | /** | |
1360 | * _base_disable_msix - disables msix | |
1361 | * @ioc: per adapter object | |
1362 | * | |
1363 | */ | |
1364 | static void | |
1365 | _base_disable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1366 | { | |
1367 | if (ioc->msix_enable) { | |
1368 | pci_disable_msix(ioc->pdev); | |
635374e7 EM |
1369 | ioc->msix_enable = 0; |
1370 | } | |
1371 | } | |
1372 | ||
1373 | /** | |
1374 | * _base_enable_msix - enables msix, failback to io_apic | |
1375 | * @ioc: per adapter object | |
1376 | * | |
1377 | */ | |
1378 | static int | |
1379 | _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1380 | { | |
911ae943 | 1381 | struct msix_entry *entries, *a; |
635374e7 | 1382 | int r; |
911ae943 | 1383 | int i; |
635374e7 EM |
1384 | u8 try_msix = 0; |
1385 | ||
911ae943 | 1386 | INIT_LIST_HEAD(&ioc->reply_queue_list); |
1387 | ||
635374e7 EM |
1388 | if (msix_disable == -1 || msix_disable == 0) |
1389 | try_msix = 1; | |
1390 | ||
1391 | if (!try_msix) | |
1392 | goto try_ioapic; | |
1393 | ||
1394 | if (_base_check_enable_msix(ioc) != 0) | |
1395 | goto try_ioapic; | |
1396 | ||
2f73b9a8 | 1397 | ioc->reply_queue_count = min_t(int, ioc->cpu_count, |
911ae943 | 1398 | ioc->msix_vector_count); |
1399 | ||
1400 | entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), | |
1401 | GFP_KERNEL); | |
1402 | if (!entries) { | |
1403 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " | |
1404 | "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, | |
1405 | __LINE__, __func__)); | |
635374e7 EM |
1406 | goto try_ioapic; |
1407 | } | |
1408 | ||
911ae943 | 1409 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) |
1410 | a->entry = i; | |
1411 | ||
1412 | r = pci_enable_msix(ioc->pdev, entries, ioc->reply_queue_count); | |
635374e7 EM |
1413 | if (r) { |
1414 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix " | |
1415 | "failed (r=%d) !!!\n", ioc->name, r)); | |
911ae943 | 1416 | kfree(entries); |
635374e7 EM |
1417 | goto try_ioapic; |
1418 | } | |
1419 | ||
911ae943 | 1420 | ioc->msix_enable = 1; |
1421 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { | |
1422 | r = _base_request_irq(ioc, i, a->vector); | |
1423 | if (r) { | |
1424 | _base_free_irq(ioc); | |
1425 | _base_disable_msix(ioc); | |
1426 | kfree(entries); | |
1427 | goto try_ioapic; | |
1428 | } | |
635374e7 EM |
1429 | } |
1430 | ||
911ae943 | 1431 | kfree(entries); |
635374e7 EM |
1432 | return 0; |
1433 | ||
1434 | /* failback to io_apic interrupt routing */ | |
1435 | try_ioapic: | |
1436 | ||
911ae943 | 1437 | r = _base_request_irq(ioc, 0, ioc->pdev->irq); |
635374e7 | 1438 | |
635374e7 EM |
1439 | return r; |
1440 | } | |
1441 | ||
1442 | /** | |
1443 | * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) | |
1444 | * @ioc: per adapter object | |
1445 | * | |
1446 | * Returns 0 for success, non-zero for failure. | |
1447 | */ | |
1448 | int | |
1449 | mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) | |
1450 | { | |
1451 | struct pci_dev *pdev = ioc->pdev; | |
1452 | u32 memap_sz; | |
1453 | u32 pio_sz; | |
1454 | int i, r = 0; | |
6846e75c KD |
1455 | u64 pio_chip = 0; |
1456 | u64 chip_phys = 0; | |
911ae943 | 1457 | struct adapter_reply_queue *reply_q; |
635374e7 | 1458 | |
eabb08ad | 1459 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", |
635374e7 EM |
1460 | ioc->name, __func__)); |
1461 | ||
1462 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
1463 | if (pci_enable_device_mem(pdev)) { | |
1464 | printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " | |
1465 | "failed\n", ioc->name); | |
1466 | return -ENODEV; | |
1467 | } | |
1468 | ||
1469 | ||
1470 | if (pci_request_selected_regions(pdev, ioc->bars, | |
1471 | MPT2SAS_DRIVER_NAME)) { | |
1472 | printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " | |
1473 | "failed\n", ioc->name); | |
1474 | r = -ENODEV; | |
1475 | goto out_fail; | |
1476 | } | |
1477 | ||
ef7c80c1 KD |
1478 | /* AER (Advanced Error Reporting) hooks */ |
1479 | pci_enable_pcie_error_reporting(pdev); | |
1480 | ||
635374e7 EM |
1481 | pci_set_master(pdev); |
1482 | ||
1483 | if (_base_config_dma_addressing(ioc, pdev) != 0) { | |
1484 | printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", | |
1485 | ioc->name, pci_name(pdev)); | |
1486 | r = -ENODEV; | |
1487 | goto out_fail; | |
1488 | } | |
1489 | ||
1490 | for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { | |
fc193172 | 1491 | if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { |
635374e7 EM |
1492 | if (pio_sz) |
1493 | continue; | |
6846e75c | 1494 | pio_chip = (u64)pci_resource_start(pdev, i); |
635374e7 EM |
1495 | pio_sz = pci_resource_len(pdev, i); |
1496 | } else { | |
1497 | if (memap_sz) | |
1498 | continue; | |
fc193172 RL |
1499 | /* verify memory resource is valid before using */ |
1500 | if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { | |
1501 | ioc->chip_phys = pci_resource_start(pdev, i); | |
1502 | chip_phys = (u64)ioc->chip_phys; | |
1503 | memap_sz = pci_resource_len(pdev, i); | |
1504 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); | |
1505 | if (ioc->chip == NULL) { | |
1506 | printk(MPT2SAS_ERR_FMT "unable to map " | |
1507 | "adapter memory!\n", ioc->name); | |
1508 | r = -EINVAL; | |
1509 | goto out_fail; | |
1510 | } | |
635374e7 EM |
1511 | } |
1512 | } | |
1513 | } | |
1514 | ||
635374e7 EM |
1515 | _base_mask_interrupts(ioc); |
1516 | r = _base_enable_msix(ioc); | |
1517 | if (r) | |
1518 | goto out_fail; | |
1519 | ||
911ae943 | 1520 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) |
1521 | printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", | |
1522 | reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : | |
1523 | "IO-APIC enabled"), reply_q->vector); | |
1524 | ||
6846e75c KD |
1525 | printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", |
1526 | ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); | |
1527 | printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", | |
1528 | ioc->name, (unsigned long long)pio_chip, pio_sz); | |
635374e7 | 1529 | |
3cb5469a EM |
1530 | /* Save PCI configuration state for recovery from PCI AER/EEH errors */ |
1531 | pci_save_state(pdev); | |
1532 | ||
635374e7 EM |
1533 | return 0; |
1534 | ||
1535 | out_fail: | |
1536 | if (ioc->chip_phys) | |
1537 | iounmap(ioc->chip); | |
1538 | ioc->chip_phys = 0; | |
635374e7 | 1539 | pci_release_selected_regions(ioc->pdev, ioc->bars); |
ef7c80c1 | 1540 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 1541 | pci_disable_device(pdev); |
635374e7 EM |
1542 | return r; |
1543 | } | |
1544 | ||
635374e7 EM |
1545 | /** |
1546 | * mpt2sas_base_get_msg_frame - obtain request mf pointer | |
1547 | * @ioc: per adapter object | |
1548 | * @smid: system request message index(smid zero is invalid) | |
1549 | * | |
1550 | * Returns virt pointer to message frame. | |
1551 | */ | |
1552 | void * | |
1553 | mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1554 | { | |
1555 | return (void *)(ioc->request + (smid * ioc->request_sz)); | |
1556 | } | |
1557 | ||
1558 | /** | |
1559 | * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request | |
1560 | * @ioc: per adapter object | |
1561 | * @smid: system request message index | |
1562 | * | |
1563 | * Returns virt pointer to sense buffer. | |
1564 | */ | |
1565 | void * | |
1566 | mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1567 | { | |
1568 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
1569 | } | |
1570 | ||
1571 | /** | |
1572 | * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request | |
1573 | * @ioc: per adapter object | |
1574 | * @smid: system request message index | |
1575 | * | |
ec9472c7 | 1576 | * Returns phys pointer to the low 32bit address of the sense buffer. |
635374e7 | 1577 | */ |
ec9472c7 | 1578 | __le32 |
635374e7 EM |
1579 | mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
1580 | { | |
ec9472c7 KD |
1581 | return cpu_to_le32(ioc->sense_dma + |
1582 | ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
635374e7 EM |
1583 | } |
1584 | ||
1585 | /** | |
1586 | * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address | |
1587 | * @ioc: per adapter object | |
1588 | * @phys_addr: lower 32 physical addr of the reply | |
1589 | * | |
1590 | * Converts 32bit lower physical addr into a virt address. | |
1591 | */ | |
1592 | void * | |
1593 | mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) | |
1594 | { | |
1595 | if (!phys_addr) | |
1596 | return NULL; | |
1597 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); | |
1598 | } | |
1599 | ||
1600 | /** | |
595bb0bd | 1601 | * mpt2sas_base_get_smid - obtain a free smid from internal queue |
635374e7 EM |
1602 | * @ioc: per adapter object |
1603 | * @cb_idx: callback index | |
1604 | * | |
1605 | * Returns smid (zero is invalid) | |
1606 | */ | |
1607 | u16 | |
1608 | mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1609 | { | |
1610 | unsigned long flags; | |
1611 | struct request_tracker *request; | |
1612 | u16 smid; | |
1613 | ||
595bb0bd KD |
1614 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1615 | if (list_empty(&ioc->internal_free_list)) { | |
1616 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1617 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1618 | ioc->name, __func__); | |
1619 | return 0; | |
1620 | } | |
1621 | ||
1622 | request = list_entry(ioc->internal_free_list.next, | |
1623 | struct request_tracker, tracker_list); | |
1624 | request->cb_idx = cb_idx; | |
1625 | smid = request->smid; | |
1626 | list_del(&request->tracker_list); | |
1627 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1628 | return smid; | |
1629 | } | |
1630 | ||
1631 | /** | |
1632 | * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue | |
1633 | * @ioc: per adapter object | |
1634 | * @cb_idx: callback index | |
1635 | * @scmd: pointer to scsi command object | |
1636 | * | |
1637 | * Returns smid (zero is invalid) | |
1638 | */ | |
1639 | u16 | |
1640 | mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, | |
1641 | struct scsi_cmnd *scmd) | |
1642 | { | |
1643 | unsigned long flags; | |
d5bd3491 | 1644 | struct scsiio_tracker *request; |
595bb0bd KD |
1645 | u16 smid; |
1646 | ||
635374e7 EM |
1647 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1648 | if (list_empty(&ioc->free_list)) { | |
1649 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1650 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1651 | ioc->name, __func__); | |
1652 | return 0; | |
1653 | } | |
1654 | ||
1655 | request = list_entry(ioc->free_list.next, | |
d5bd3491 | 1656 | struct scsiio_tracker, tracker_list); |
595bb0bd KD |
1657 | request->scmd = scmd; |
1658 | request->cb_idx = cb_idx; | |
1659 | smid = request->smid; | |
1660 | list_del(&request->tracker_list); | |
1661 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1662 | return smid; | |
1663 | } | |
1664 | ||
1665 | /** | |
1666 | * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue | |
1667 | * @ioc: per adapter object | |
1668 | * @cb_idx: callback index | |
1669 | * | |
1670 | * Returns smid (zero is invalid) | |
1671 | */ | |
1672 | u16 | |
1673 | mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1674 | { | |
1675 | unsigned long flags; | |
1676 | struct request_tracker *request; | |
1677 | u16 smid; | |
1678 | ||
1679 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1680 | if (list_empty(&ioc->hpr_free_list)) { | |
1681 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | request = list_entry(ioc->hpr_free_list.next, | |
1686 | struct request_tracker, tracker_list); | |
635374e7 EM |
1687 | request->cb_idx = cb_idx; |
1688 | smid = request->smid; | |
1689 | list_del(&request->tracker_list); | |
1690 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1691 | return smid; | |
1692 | } | |
1693 | ||
1694 | ||
1695 | /** | |
1696 | * mpt2sas_base_free_smid - put smid back on free_list | |
1697 | * @ioc: per adapter object | |
1698 | * @smid: system request message index | |
1699 | * | |
1700 | * Return nothing. | |
1701 | */ | |
1702 | void | |
1703 | mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1704 | { | |
1705 | unsigned long flags; | |
595bb0bd | 1706 | int i; |
35f805b5 | 1707 | struct chain_tracker *chain_req, *next; |
635374e7 EM |
1708 | |
1709 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
d5bd3491 KD |
1710 | if (smid < ioc->hi_priority_smid) { |
1711 | /* scsiio queue */ | |
1712 | i = smid - 1; | |
1713 | if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { | |
1714 | list_for_each_entry_safe(chain_req, next, | |
1715 | &ioc->scsi_lookup[i].chain_list, tracker_list) { | |
1716 | list_del_init(&chain_req->tracker_list); | |
1717 | list_add_tail(&chain_req->tracker_list, | |
1718 | &ioc->free_chain_list); | |
1719 | } | |
595bb0bd | 1720 | } |
d5bd3491 KD |
1721 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
1722 | ioc->scsi_lookup[i].scmd = NULL; | |
0bdccdb0 | 1723 | ioc->scsi_lookup[i].direct_io = 0; |
d5bd3491 KD |
1724 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
1725 | &ioc->free_list); | |
595bb0bd | 1726 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
595bb0bd | 1727 | |
d5bd3491 KD |
1728 | /* |
1729 | * See _wait_for_commands_to_complete() call with regards | |
1730 | * to this code. | |
1731 | */ | |
1732 | if (ioc->shost_recovery && ioc->pending_io_count) { | |
1733 | if (ioc->pending_io_count == 1) | |
1734 | wake_up(&ioc->reset_wq); | |
1735 | ioc->pending_io_count--; | |
35f805b5 | 1736 | } |
d5bd3491 KD |
1737 | return; |
1738 | } else if (smid < ioc->internal_smid) { | |
1739 | /* hi-priority */ | |
1740 | i = smid - ioc->hi_priority_smid; | |
1741 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
1742 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
1743 | &ioc->hpr_free_list); | |
1744 | } else if (smid <= ioc->hba_queue_depth) { | |
1745 | /* internal queue */ | |
1746 | i = smid - ioc->internal_smid; | |
1747 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
1748 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
1749 | &ioc->internal_free_list); | |
35f805b5 | 1750 | } |
635374e7 | 1751 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
635374e7 EM |
1752 | } |
1753 | ||
1754 | /** | |
1755 | * _base_writeq - 64 bit write to MMIO | |
1756 | * @ioc: per adapter object | |
1757 | * @b: data payload | |
1758 | * @addr: address in MMIO space | |
1759 | * @writeq_lock: spin lock | |
1760 | * | |
1761 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes | |
1762 | * care of 32 bit environment where its not quarenteed to send the entire word | |
1763 | * in one transfer. | |
1764 | */ | |
1765 | #ifndef writeq | |
1766 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1767 | spinlock_t *writeq_lock) | |
1768 | { | |
1769 | unsigned long flags; | |
1770 | __u64 data_out = cpu_to_le64(b); | |
1771 | ||
1772 | spin_lock_irqsave(writeq_lock, flags); | |
1773 | writel((u32)(data_out), addr); | |
1774 | writel((u32)(data_out >> 32), (addr + 4)); | |
1775 | spin_unlock_irqrestore(writeq_lock, flags); | |
1776 | } | |
1777 | #else | |
1778 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1779 | spinlock_t *writeq_lock) | |
1780 | { | |
1781 | writeq(cpu_to_le64(b), addr); | |
1782 | } | |
1783 | #endif | |
1784 | ||
911ae943 | 1785 | static inline u8 |
1786 | _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) | |
1787 | { | |
1788 | return ioc->cpu_msix_table[smp_processor_id()]; | |
1789 | } | |
1790 | ||
635374e7 EM |
1791 | /** |
1792 | * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware | |
1793 | * @ioc: per adapter object | |
1794 | * @smid: system request message index | |
635374e7 EM |
1795 | * @handle: device handle |
1796 | * | |
1797 | * Return nothing. | |
1798 | */ | |
1799 | void | |
7b936b02 | 1800 | mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) |
635374e7 EM |
1801 | { |
1802 | Mpi2RequestDescriptorUnion_t descriptor; | |
1803 | u64 *request = (u64 *)&descriptor; | |
1804 | ||
1805 | ||
1806 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; | |
911ae943 | 1807 | descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1808 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); |
1809 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
1810 | descriptor.SCSIIO.LMID = 0; | |
1811 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1812 | &ioc->scsi_lookup_lock); | |
1813 | } | |
1814 | ||
1815 | ||
1816 | /** | |
25985edc | 1817 | * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware |
635374e7 EM |
1818 | * @ioc: per adapter object |
1819 | * @smid: system request message index | |
635374e7 EM |
1820 | * |
1821 | * Return nothing. | |
1822 | */ | |
1823 | void | |
7b936b02 | 1824 | mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1825 | { |
1826 | Mpi2RequestDescriptorUnion_t descriptor; | |
1827 | u64 *request = (u64 *)&descriptor; | |
1828 | ||
1829 | descriptor.HighPriority.RequestFlags = | |
1830 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; | |
911ae943 | 1831 | descriptor.HighPriority.MSIxIndex = 0; |
635374e7 EM |
1832 | descriptor.HighPriority.SMID = cpu_to_le16(smid); |
1833 | descriptor.HighPriority.LMID = 0; | |
1834 | descriptor.HighPriority.Reserved1 = 0; | |
1835 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1836 | &ioc->scsi_lookup_lock); | |
1837 | } | |
1838 | ||
1839 | /** | |
1840 | * mpt2sas_base_put_smid_default - Default, primarily used for config pages | |
1841 | * @ioc: per adapter object | |
1842 | * @smid: system request message index | |
635374e7 EM |
1843 | * |
1844 | * Return nothing. | |
1845 | */ | |
1846 | void | |
7b936b02 | 1847 | mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1848 | { |
1849 | Mpi2RequestDescriptorUnion_t descriptor; | |
1850 | u64 *request = (u64 *)&descriptor; | |
1851 | ||
1852 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; | |
911ae943 | 1853 | descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1854 | descriptor.Default.SMID = cpu_to_le16(smid); |
1855 | descriptor.Default.LMID = 0; | |
1856 | descriptor.Default.DescriptorTypeDependent = 0; | |
1857 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1858 | &ioc->scsi_lookup_lock); | |
1859 | } | |
1860 | ||
1861 | /** | |
1862 | * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware | |
1863 | * @ioc: per adapter object | |
1864 | * @smid: system request message index | |
635374e7 EM |
1865 | * @io_index: value used to track the IO |
1866 | * | |
1867 | * Return nothing. | |
1868 | */ | |
1869 | void | |
1870 | mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
7b936b02 | 1871 | u16 io_index) |
635374e7 EM |
1872 | { |
1873 | Mpi2RequestDescriptorUnion_t descriptor; | |
1874 | u64 *request = (u64 *)&descriptor; | |
1875 | ||
1876 | descriptor.SCSITarget.RequestFlags = | |
1877 | MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; | |
911ae943 | 1878 | descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1879 | descriptor.SCSITarget.SMID = cpu_to_le16(smid); |
1880 | descriptor.SCSITarget.LMID = 0; | |
1881 | descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); | |
1882 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1883 | &ioc->scsi_lookup_lock); | |
1884 | } | |
1885 | ||
f0f9cc1f EM |
1886 | /** |
1887 | * _base_display_dell_branding - Disply branding string | |
1888 | * @ioc: per adapter object | |
1889 | * | |
1890 | * Return nothing. | |
1891 | */ | |
1892 | static void | |
1893 | _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) | |
1894 | { | |
1895 | char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; | |
1896 | ||
1897 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) | |
1898 | return; | |
1899 | ||
1900 | memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); | |
1901 | switch (ioc->pdev->subsystem_device) { | |
1902 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: | |
1903 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, | |
1904 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1905 | break; | |
1906 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: | |
1907 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, | |
1908 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1909 | break; | |
1910 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: | |
1911 | strncpy(dell_branding, | |
1912 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, | |
1913 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1914 | break; | |
1915 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: | |
1916 | strncpy(dell_branding, | |
1917 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, | |
1918 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1919 | break; | |
1920 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: | |
1921 | strncpy(dell_branding, | |
1922 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, | |
1923 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1924 | break; | |
1925 | case MPT2SAS_DELL_PERC_H200_SSDID: | |
1926 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, | |
1927 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1928 | break; | |
1929 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: | |
1930 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, | |
1931 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1932 | break; | |
1933 | default: | |
1934 | sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); | |
1935 | break; | |
1936 | } | |
1937 | ||
1938 | printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," | |
1939 | " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, | |
1940 | ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, | |
1941 | ioc->pdev->subsystem_device); | |
1942 | } | |
1943 | ||
fb396bec KD |
1944 | /** |
1945 | * _base_display_intel_branding - Display branding string | |
1946 | * @ioc: per adapter object | |
1947 | * | |
1948 | * Return nothing. | |
1949 | */ | |
1950 | static void | |
1951 | _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) | |
1952 | { | |
ab3e5f60 KD |
1953 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) |
1954 | return; | |
fb396bec | 1955 | |
ab3e5f60 KD |
1956 | switch (ioc->pdev->device) { |
1957 | case MPI2_MFGPAGE_DEVID_SAS2008: | |
fb396bec KD |
1958 | switch (ioc->pdev->subsystem_device) { |
1959 | case MPT2SAS_INTEL_RMS2LL080_SSDID: | |
1960 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1961 | MPT2SAS_INTEL_RMS2LL080_BRANDING); | |
1962 | break; | |
1963 | case MPT2SAS_INTEL_RMS2LL040_SSDID: | |
1964 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1965 | MPT2SAS_INTEL_RMS2LL040_BRANDING); | |
1966 | break; | |
70e73f99 | 1967 | case MPT2SAS_INTEL_RAMSDALE_SSDID: |
1968 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1969 | MPT2SAS_INTEL_RAMSDALE_BRANDING); | |
1970 | break; | |
ab3e5f60 KD |
1971 | default: |
1972 | break; | |
1973 | } | |
1974 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
1975 | switch (ioc->pdev->subsystem_device) { | |
1976 | case MPT2SAS_INTEL_RS25GB008_SSDID: | |
1977 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1978 | MPT2SAS_INTEL_RS25GB008_BRANDING); | |
1979 | break; | |
8bad3055 | 1980 | case MPT2SAS_INTEL_RMS25JB080_SSDID: |
1981 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1982 | MPT2SAS_INTEL_RMS25JB080_BRANDING); | |
1983 | break; | |
1984 | case MPT2SAS_INTEL_RMS25JB040_SSDID: | |
1985 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1986 | MPT2SAS_INTEL_RMS25JB040_BRANDING); | |
1987 | break; | |
1988 | case MPT2SAS_INTEL_RMS25KB080_SSDID: | |
1989 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1990 | MPT2SAS_INTEL_RMS25KB080_BRANDING); | |
1991 | break; | |
1992 | case MPT2SAS_INTEL_RMS25KB040_SSDID: | |
1993 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1994 | MPT2SAS_INTEL_RMS25KB040_BRANDING); | |
1995 | break; | |
ab3e5f60 KD |
1996 | default: |
1997 | break; | |
fb396bec | 1998 | } |
ab3e5f60 KD |
1999 | default: |
2000 | break; | |
fb396bec KD |
2001 | } |
2002 | } | |
2003 | ||
0a2385ce KD |
2004 | /** |
2005 | * _base_display_hp_branding - Display branding string | |
2006 | * @ioc: per adapter object | |
2007 | * | |
2008 | * Return nothing. | |
2009 | */ | |
2010 | static void | |
2011 | _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) | |
2012 | { | |
2013 | if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) | |
2014 | return; | |
2015 | ||
2016 | switch (ioc->pdev->device) { | |
2017 | case MPI2_MFGPAGE_DEVID_SAS2004: | |
2018 | switch (ioc->pdev->subsystem_device) { | |
2019 | case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: | |
2020 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2021 | MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); | |
2022 | break; | |
2023 | default: | |
2024 | break; | |
2025 | } | |
2026 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
2027 | switch (ioc->pdev->subsystem_device) { | |
2028 | case MPT2SAS_HP_2_4_INTERNAL_SSDID: | |
2029 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2030 | MPT2SAS_HP_2_4_INTERNAL_BRANDING); | |
2031 | break; | |
2032 | case MPT2SAS_HP_2_4_EXTERNAL_SSDID: | |
2033 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2034 | MPT2SAS_HP_2_4_EXTERNAL_BRANDING); | |
2035 | break; | |
2036 | case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: | |
2037 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2038 | MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); | |
2039 | break; | |
2040 | case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: | |
2041 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2042 | MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); | |
2043 | break; | |
2044 | default: | |
2045 | break; | |
2046 | } | |
2047 | default: | |
2048 | break; | |
2049 | } | |
2050 | } | |
2051 | ||
635374e7 EM |
2052 | /** |
2053 | * _base_display_ioc_capabilities - Disply IOC's capabilities. | |
2054 | * @ioc: per adapter object | |
2055 | * | |
2056 | * Return nothing. | |
2057 | */ | |
2058 | static void | |
2059 | _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) | |
2060 | { | |
2061 | int i = 0; | |
2062 | char desc[16]; | |
635374e7 | 2063 | u32 iounit_pg1_flags; |
c97951ec | 2064 | u32 bios_version; |
635374e7 | 2065 | |
c97951ec | 2066 | bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
635374e7 EM |
2067 | strncpy(desc, ioc->manu_pg0.ChipName, 16); |
2068 | printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " | |
2069 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", | |
2070 | ioc->name, desc, | |
2071 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2072 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2073 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2074 | ioc->facts.FWVersion.Word & 0x000000FF, | |
7d7311c4 | 2075 | ioc->pdev->revision, |
c97951ec KD |
2076 | (bios_version & 0xFF000000) >> 24, |
2077 | (bios_version & 0x00FF0000) >> 16, | |
2078 | (bios_version & 0x0000FF00) >> 8, | |
2079 | bios_version & 0x000000FF); | |
635374e7 | 2080 | |
ed79f128 | 2081 | _base_display_dell_branding(ioc); |
fb396bec | 2082 | _base_display_intel_branding(ioc); |
0a2385ce | 2083 | _base_display_hp_branding(ioc); |
ed79f128 | 2084 | |
635374e7 EM |
2085 | printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); |
2086 | ||
2087 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { | |
2088 | printk("Initiator"); | |
2089 | i++; | |
2090 | } | |
2091 | ||
2092 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { | |
2093 | printk("%sTarget", i ? "," : ""); | |
2094 | i++; | |
2095 | } | |
2096 | ||
2097 | i = 0; | |
2098 | printk("), "); | |
2099 | printk("Capabilities=("); | |
2100 | ||
0bdccdb0 KD |
2101 | if (!ioc->hide_ir_msg) { |
2102 | if (ioc->facts.IOCCapabilities & | |
2103 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { | |
2104 | printk("Raid"); | |
2105 | i++; | |
2106 | } | |
635374e7 EM |
2107 | } |
2108 | ||
2109 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { | |
2110 | printk("%sTLR", i ? "," : ""); | |
2111 | i++; | |
2112 | } | |
2113 | ||
2114 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { | |
2115 | printk("%sMulticast", i ? "," : ""); | |
2116 | i++; | |
2117 | } | |
2118 | ||
2119 | if (ioc->facts.IOCCapabilities & | |
2120 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { | |
2121 | printk("%sBIDI Target", i ? "," : ""); | |
2122 | i++; | |
2123 | } | |
2124 | ||
2125 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { | |
2126 | printk("%sEEDP", i ? "," : ""); | |
2127 | i++; | |
2128 | } | |
2129 | ||
2130 | if (ioc->facts.IOCCapabilities & | |
2131 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { | |
2132 | printk("%sSnapshot Buffer", i ? "," : ""); | |
2133 | i++; | |
2134 | } | |
2135 | ||
2136 | if (ioc->facts.IOCCapabilities & | |
2137 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { | |
2138 | printk("%sDiag Trace Buffer", i ? "," : ""); | |
2139 | i++; | |
2140 | } | |
2141 | ||
1b01fe3a KD |
2142 | if (ioc->facts.IOCCapabilities & |
2143 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { | |
2144 | printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); | |
2145 | i++; | |
2146 | } | |
2147 | ||
635374e7 EM |
2148 | if (ioc->facts.IOCCapabilities & |
2149 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { | |
2150 | printk("%sTask Set Full", i ? "," : ""); | |
2151 | i++; | |
2152 | } | |
2153 | ||
2154 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2155 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { | |
2156 | printk("%sNCQ", i ? "," : ""); | |
2157 | i++; | |
2158 | } | |
2159 | ||
2160 | printk(")\n"); | |
2161 | } | |
2162 | ||
6cb8ef57 KD |
2163 | /** |
2164 | * _base_update_missing_delay - change the missing delay timers | |
2165 | * @ioc: per adapter object | |
2166 | * @device_missing_delay: amount of time till device is reported missing | |
2167 | * @io_missing_delay: interval IO is returned when there is a missing device | |
2168 | * | |
2169 | * Return nothing. | |
2170 | * | |
2171 | * Passed on the command line, this function will modify the device missing | |
2172 | * delay, as well as the io missing delay. This should be called at driver | |
2173 | * load time. | |
2174 | */ | |
2175 | static void | |
2176 | _base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, | |
2177 | u16 device_missing_delay, u8 io_missing_delay) | |
2178 | { | |
2179 | u16 dmd, dmd_new, dmd_orignal; | |
2180 | u8 io_missing_delay_original; | |
2181 | u16 sz; | |
2182 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
2183 | Mpi2ConfigReply_t mpi_reply; | |
2184 | u8 num_phys = 0; | |
2185 | u16 ioc_status; | |
2186 | ||
2187 | mpt2sas_config_get_number_hba_phys(ioc, &num_phys); | |
2188 | if (!num_phys) | |
2189 | return; | |
2190 | ||
2191 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * | |
2192 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
2193 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
2194 | if (!sas_iounit_pg1) { | |
2195 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2196 | ioc->name, __FILE__, __LINE__, __func__); | |
2197 | goto out; | |
2198 | } | |
2199 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
2200 | sas_iounit_pg1, sz))) { | |
2201 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2202 | ioc->name, __FILE__, __LINE__, __func__); | |
2203 | goto out; | |
2204 | } | |
2205 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
2206 | MPI2_IOCSTATUS_MASK; | |
2207 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2208 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2209 | ioc->name, __FILE__, __LINE__, __func__); | |
2210 | goto out; | |
2211 | } | |
2212 | ||
2213 | /* device missing delay */ | |
2214 | dmd = sas_iounit_pg1->ReportDeviceMissingDelay; | |
2215 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2216 | dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2217 | else | |
2218 | dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2219 | dmd_orignal = dmd; | |
2220 | if (device_missing_delay > 0x7F) { | |
2221 | dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : | |
2222 | device_missing_delay; | |
2223 | dmd = dmd / 16; | |
2224 | dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; | |
2225 | } else | |
2226 | dmd = device_missing_delay; | |
2227 | sas_iounit_pg1->ReportDeviceMissingDelay = dmd; | |
2228 | ||
2229 | /* io missing delay */ | |
2230 | io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; | |
2231 | sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; | |
2232 | ||
2233 | if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
2234 | sz)) { | |
2235 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2236 | dmd_new = (dmd & | |
2237 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2238 | else | |
2239 | dmd_new = | |
2240 | dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2241 | printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " | |
2242 | "new(%d)\n", ioc->name, dmd_orignal, dmd_new); | |
2243 | printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " | |
2244 | "new(%d)\n", ioc->name, io_missing_delay_original, | |
2245 | io_missing_delay); | |
2246 | ioc->device_missing_delay = dmd_new; | |
2247 | ioc->io_missing_delay = io_missing_delay; | |
2248 | } | |
2249 | ||
2250 | out: | |
2251 | kfree(sas_iounit_pg1); | |
2252 | } | |
2253 | ||
635374e7 EM |
2254 | /** |
2255 | * _base_static_config_pages - static start of day config pages | |
2256 | * @ioc: per adapter object | |
2257 | * | |
2258 | * Return nothing. | |
2259 | */ | |
2260 | static void | |
2261 | _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) | |
2262 | { | |
2263 | Mpi2ConfigReply_t mpi_reply; | |
2264 | u32 iounit_pg1_flags; | |
2265 | ||
2266 | mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); | |
ed79f128 KD |
2267 | if (ioc->ir_firmware) |
2268 | mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, | |
2269 | &ioc->manu_pg10); | |
635374e7 EM |
2270 | mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); |
2271 | mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); | |
2272 | mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); | |
2273 | mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); | |
2274 | mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
2275 | _base_display_ioc_capabilities(ioc); | |
2276 | ||
2277 | /* | |
2278 | * Enable task_set_full handling in iounit_pg1 when the | |
2279 | * facts capabilities indicate that its supported. | |
2280 | */ | |
2281 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2282 | if ((ioc->facts.IOCCapabilities & | |
2283 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) | |
2284 | iounit_pg1_flags &= | |
2285 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2286 | else | |
2287 | iounit_pg1_flags |= | |
2288 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2289 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); | |
5b768581 | 2290 | mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); |
6cb8ef57 | 2291 | |
635374e7 EM |
2292 | } |
2293 | ||
2294 | /** | |
2295 | * _base_release_memory_pools - release memory | |
2296 | * @ioc: per adapter object | |
2297 | * | |
2298 | * Free memory allocated from _base_allocate_memory_pools. | |
2299 | * | |
2300 | * Return nothing. | |
2301 | */ | |
2302 | static void | |
2303 | _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) | |
2304 | { | |
35f805b5 KD |
2305 | int i; |
2306 | ||
eabb08ad | 2307 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2308 | __func__)); |
2309 | ||
2310 | if (ioc->request) { | |
2311 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, | |
2312 | ioc->request, ioc->request_dma); | |
2313 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" | |
2314 | ": free\n", ioc->name, ioc->request)); | |
2315 | ioc->request = NULL; | |
2316 | } | |
2317 | ||
2318 | if (ioc->sense) { | |
2319 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); | |
2320 | if (ioc->sense_dma_pool) | |
2321 | pci_pool_destroy(ioc->sense_dma_pool); | |
2322 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" | |
2323 | ": free\n", ioc->name, ioc->sense)); | |
2324 | ioc->sense = NULL; | |
2325 | } | |
2326 | ||
2327 | if (ioc->reply) { | |
2328 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); | |
2329 | if (ioc->reply_dma_pool) | |
2330 | pci_pool_destroy(ioc->reply_dma_pool); | |
2331 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" | |
2332 | ": free\n", ioc->name, ioc->reply)); | |
2333 | ioc->reply = NULL; | |
2334 | } | |
2335 | ||
2336 | if (ioc->reply_free) { | |
2337 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, | |
2338 | ioc->reply_free_dma); | |
2339 | if (ioc->reply_free_dma_pool) | |
2340 | pci_pool_destroy(ioc->reply_free_dma_pool); | |
2341 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" | |
2342 | "(0x%p): free\n", ioc->name, ioc->reply_free)); | |
2343 | ioc->reply_free = NULL; | |
2344 | } | |
2345 | ||
2346 | if (ioc->reply_post_free) { | |
2347 | pci_pool_free(ioc->reply_post_free_dma_pool, | |
2348 | ioc->reply_post_free, ioc->reply_post_free_dma); | |
2349 | if (ioc->reply_post_free_dma_pool) | |
2350 | pci_pool_destroy(ioc->reply_post_free_dma_pool); | |
2351 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2352 | "reply_post_free_pool(0x%p): free\n", ioc->name, | |
2353 | ioc->reply_post_free)); | |
2354 | ioc->reply_post_free = NULL; | |
2355 | } | |
2356 | ||
2357 | if (ioc->config_page) { | |
2358 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2359 | "config_page(0x%p): free\n", ioc->name, | |
2360 | ioc->config_page)); | |
2361 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, | |
2362 | ioc->config_page, ioc->config_page_dma); | |
2363 | } | |
2364 | ||
66a67936 KD |
2365 | if (ioc->scsi_lookup) { |
2366 | free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); | |
2367 | ioc->scsi_lookup = NULL; | |
2368 | } | |
595bb0bd KD |
2369 | kfree(ioc->hpr_lookup); |
2370 | kfree(ioc->internal_lookup); | |
35f805b5 KD |
2371 | if (ioc->chain_lookup) { |
2372 | for (i = 0; i < ioc->chain_depth; i++) { | |
2373 | if (ioc->chain_lookup[i].chain_buffer) | |
2374 | pci_pool_free(ioc->chain_dma_pool, | |
2375 | ioc->chain_lookup[i].chain_buffer, | |
2376 | ioc->chain_lookup[i].chain_buffer_dma); | |
2377 | } | |
2378 | if (ioc->chain_dma_pool) | |
2379 | pci_pool_destroy(ioc->chain_dma_pool); | |
35f805b5 KD |
2380 | free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); |
2381 | ioc->chain_lookup = NULL; | |
2382 | } | |
635374e7 EM |
2383 | } |
2384 | ||
2385 | ||
2386 | /** | |
2387 | * _base_allocate_memory_pools - allocate start of day memory pools | |
2388 | * @ioc: per adapter object | |
2389 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2390 | * | |
2391 | * Returns 0 success, anything else error | |
2392 | */ | |
2393 | static int | |
2394 | _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
2395 | { | |
c97951ec | 2396 | struct mpt2sas_facts *facts; |
635374e7 | 2397 | u16 max_sge_elements; |
635374e7 | 2398 | u16 chains_needed_per_io; |
911ae943 | 2399 | u32 sz, total_sz, reply_post_free_sz; |
635374e7 EM |
2400 | u32 retry_sz; |
2401 | u16 max_request_credit; | |
35f805b5 | 2402 | int i; |
635374e7 | 2403 | |
eabb08ad | 2404 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2405 | __func__)); |
2406 | ||
2407 | retry_sz = 0; | |
2408 | facts = &ioc->facts; | |
2409 | ||
2410 | /* command line tunables for max sgl entries */ | |
2411 | if (max_sgl_entries != -1) { | |
2412 | ioc->shost->sg_tablesize = (max_sgl_entries < | |
2413 | MPT2SAS_SG_DEPTH) ? max_sgl_entries : | |
2414 | MPT2SAS_SG_DEPTH; | |
2415 | } else { | |
2416 | ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; | |
2417 | } | |
2418 | ||
2419 | /* command line tunables for max controller queue depth */ | |
35f805b5 | 2420 | if (max_queue_depth != -1) |
635374e7 EM |
2421 | max_request_credit = (max_queue_depth < facts->RequestCredit) |
2422 | ? max_queue_depth : facts->RequestCredit; | |
35f805b5 | 2423 | else |
aff132d9 | 2424 | max_request_credit = min_t(u16, facts->RequestCredit, |
2425 | MAX_HBA_QUEUE_DEPTH); | |
595bb0bd KD |
2426 | |
2427 | ioc->hba_queue_depth = max_request_credit; | |
2428 | ioc->hi_priority_depth = facts->HighPriorityCredit; | |
2429 | ioc->internal_depth = ioc->hi_priority_depth + 5; | |
635374e7 EM |
2430 | |
2431 | /* request frame size */ | |
2432 | ioc->request_sz = facts->IOCRequestFrameSize * 4; | |
2433 | ||
2434 | /* reply frame size */ | |
2435 | ioc->reply_sz = facts->ReplyFrameSize * 4; | |
2436 | ||
2437 | retry_allocation: | |
2438 | total_sz = 0; | |
2439 | /* calculate number of sg elements left over in the 1st frame */ | |
2440 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - | |
2441 | sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); | |
2442 | ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; | |
2443 | ||
2444 | /* now do the same for a chain buffer */ | |
2445 | max_sge_elements = ioc->request_sz - ioc->sge_size; | |
2446 | ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; | |
2447 | ||
2448 | ioc->chain_offset_value_for_main_message = | |
2449 | ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + | |
2450 | (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; | |
2451 | ||
2452 | /* | |
2453 | * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE | |
2454 | */ | |
2455 | chains_needed_per_io = ((ioc->shost->sg_tablesize - | |
2456 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) | |
2457 | + 1; | |
2458 | if (chains_needed_per_io > facts->MaxChainDepth) { | |
2459 | chains_needed_per_io = facts->MaxChainDepth; | |
2460 | ioc->shost->sg_tablesize = min_t(u16, | |
2461 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message | |
2462 | * chains_needed_per_io), ioc->shost->sg_tablesize); | |
2463 | } | |
2464 | ioc->chains_needed_per_io = chains_needed_per_io; | |
2465 | ||
aff132d9 | 2466 | /* reply free queue sizing - taking into account for 64 FW events */ |
2467 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; | |
635374e7 | 2468 | |
aff132d9 | 2469 | /* align the reply post queue on the next 16 count boundary */ |
2470 | if (!ioc->reply_free_queue_depth % 16) | |
2471 | ioc->reply_post_queue_depth = ioc->reply_free_queue_depth + 16; | |
2472 | else | |
2473 | ioc->reply_post_queue_depth = ioc->reply_free_queue_depth + | |
2474 | 32 - (ioc->reply_free_queue_depth % 16); | |
2475 | if (ioc->reply_post_queue_depth > | |
2476 | facts->MaxReplyDescriptorPostQueueDepth) { | |
2477 | ioc->reply_post_queue_depth = min_t(u16, | |
2478 | (facts->MaxReplyDescriptorPostQueueDepth - | |
2479 | (facts->MaxReplyDescriptorPostQueueDepth % 16)), | |
2480 | (ioc->hba_queue_depth - (ioc->hba_queue_depth % 16))); | |
2481 | ioc->reply_free_queue_depth = ioc->reply_post_queue_depth - 16; | |
2482 | ioc->hba_queue_depth = ioc->reply_free_queue_depth - 64; | |
635374e7 | 2483 | } |
aff132d9 | 2484 | |
635374e7 | 2485 | |
635374e7 EM |
2486 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " |
2487 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " | |
2488 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, | |
2489 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, | |
2490 | ioc->chains_needed_per_io)); | |
2491 | ||
595bb0bd KD |
2492 | ioc->scsiio_depth = ioc->hba_queue_depth - |
2493 | ioc->hi_priority_depth - ioc->internal_depth; | |
2494 | ||
2495 | /* set the scsi host can_queue depth | |
2496 | * with some internal commands that could be outstanding | |
2497 | */ | |
2498 | ioc->shost->can_queue = ioc->scsiio_depth - (2); | |
2499 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " | |
2500 | "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); | |
2501 | ||
635374e7 EM |
2502 | /* contiguous pool for request and chains, 16 byte align, one extra " |
2503 | * "frame for smid=0 | |
2504 | */ | |
595bb0bd | 2505 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; |
35f805b5 | 2506 | sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); |
595bb0bd KD |
2507 | |
2508 | /* hi-priority queue */ | |
2509 | sz += (ioc->hi_priority_depth * ioc->request_sz); | |
2510 | ||
2511 | /* internal queue */ | |
2512 | sz += (ioc->internal_depth * ioc->request_sz); | |
635374e7 EM |
2513 | |
2514 | ioc->request_dma_sz = sz; | |
2515 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); | |
2516 | if (!ioc->request) { | |
2517 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2518 | "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2519 | "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 | 2520 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
595bb0bd | 2521 | if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) |
635374e7 EM |
2522 | goto out; |
2523 | retry_sz += 64; | |
595bb0bd | 2524 | ioc->hba_queue_depth = max_request_credit - retry_sz; |
635374e7 EM |
2525 | goto retry_allocation; |
2526 | } | |
2527 | ||
2528 | if (retry_sz) | |
2529 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2530 | "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2531 | "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 EM |
2532 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
2533 | ||
595bb0bd KD |
2534 | |
2535 | /* hi-priority queue */ | |
2536 | ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * | |
635374e7 | 2537 | ioc->request_sz); |
595bb0bd KD |
2538 | ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * |
2539 | ioc->request_sz); | |
2540 | ||
2541 | /* internal queue */ | |
2542 | ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * | |
635374e7 | 2543 | ioc->request_sz); |
595bb0bd KD |
2544 | ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * |
2545 | ioc->request_sz); | |
2546 | ||
595bb0bd | 2547 | |
635374e7 EM |
2548 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " |
2549 | "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
595bb0bd KD |
2550 | ioc->request, ioc->hba_queue_depth, ioc->request_sz, |
2551 | (ioc->hba_queue_depth * ioc->request_sz)/1024)); | |
635374e7 EM |
2552 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", |
2553 | ioc->name, (unsigned long long) ioc->request_dma)); | |
2554 | total_sz += sz; | |
2555 | ||
d5bd3491 | 2556 | sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); |
89009fbb | 2557 | ioc->scsi_lookup_pages = get_order(sz); |
d5bd3491 | 2558 | ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( |
89009fbb | 2559 | GFP_KERNEL, ioc->scsi_lookup_pages); |
635374e7 | 2560 | if (!ioc->scsi_lookup) { |
89009fbb KD |
2561 | printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " |
2562 | "sz(%d)\n", ioc->name, (int)sz); | |
635374e7 EM |
2563 | goto out; |
2564 | } | |
2565 | ||
595bb0bd KD |
2566 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " |
2567 | "depth(%d)\n", ioc->name, ioc->request, | |
2568 | ioc->scsiio_depth)); | |
2569 | ||
aff132d9 | 2570 | ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); |
2571 | sz = ioc->chain_depth * sizeof(struct chain_tracker); | |
2572 | ioc->chain_pages = get_order(sz); | |
2573 | ||
2574 | ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( | |
2575 | GFP_KERNEL, ioc->chain_pages); | |
c834b1c4 TH |
2576 | if (!ioc->chain_lookup) { |
2577 | printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " | |
2578 | "sz(%d)\n", ioc->name, (int)sz); | |
2579 | goto out; | |
2580 | } | |
35f805b5 KD |
2581 | ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, |
2582 | ioc->request_sz, 16, 0); | |
2583 | if (!ioc->chain_dma_pool) { | |
2584 | printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " | |
2585 | "failed\n", ioc->name); | |
2586 | goto out; | |
2587 | } | |
2588 | for (i = 0; i < ioc->chain_depth; i++) { | |
2589 | ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( | |
2590 | ioc->chain_dma_pool , GFP_KERNEL, | |
2591 | &ioc->chain_lookup[i].chain_buffer_dma); | |
2592 | if (!ioc->chain_lookup[i].chain_buffer) { | |
2593 | ioc->chain_depth = i; | |
2594 | goto chain_done; | |
2595 | } | |
2596 | total_sz += ioc->request_sz; | |
2597 | } | |
2598 | chain_done: | |
2599 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" | |
2600 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
2601 | ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * | |
2602 | ioc->request_sz))/1024)); | |
2603 | ||
595bb0bd KD |
2604 | /* initialize hi-priority queue smid's */ |
2605 | ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, | |
2606 | sizeof(struct request_tracker), GFP_KERNEL); | |
2607 | if (!ioc->hpr_lookup) { | |
2608 | printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", | |
2609 | ioc->name); | |
2610 | goto out; | |
2611 | } | |
2612 | ioc->hi_priority_smid = ioc->scsiio_depth + 1; | |
2613 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " | |
2614 | "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, | |
2615 | ioc->hi_priority_depth, ioc->hi_priority_smid)); | |
2616 | ||
2617 | /* initialize internal queue smid's */ | |
2618 | ioc->internal_lookup = kcalloc(ioc->internal_depth, | |
2619 | sizeof(struct request_tracker), GFP_KERNEL); | |
2620 | if (!ioc->internal_lookup) { | |
2621 | printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", | |
2622 | ioc->name); | |
2623 | goto out; | |
2624 | } | |
2625 | ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; | |
2626 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " | |
2627 | "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, | |
2628 | ioc->internal_depth, ioc->internal_smid)); | |
635374e7 EM |
2629 | |
2630 | /* sense buffers, 4 byte align */ | |
595bb0bd | 2631 | sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; |
635374e7 EM |
2632 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, |
2633 | 0); | |
2634 | if (!ioc->sense_dma_pool) { | |
2635 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", | |
2636 | ioc->name); | |
2637 | goto out; | |
2638 | } | |
2639 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, | |
2640 | &ioc->sense_dma); | |
2641 | if (!ioc->sense) { | |
2642 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", | |
2643 | ioc->name); | |
2644 | goto out; | |
2645 | } | |
2646 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2647 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" | |
595bb0bd | 2648 | "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, |
635374e7 EM |
2649 | SCSI_SENSE_BUFFERSIZE, sz/1024)); |
2650 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", | |
2651 | ioc->name, (unsigned long long)ioc->sense_dma)); | |
2652 | total_sz += sz; | |
2653 | ||
2654 | /* reply pool, 4 byte align */ | |
2655 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; | |
2656 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, | |
2657 | 0); | |
2658 | if (!ioc->reply_dma_pool) { | |
2659 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", | |
2660 | ioc->name); | |
2661 | goto out; | |
2662 | } | |
2663 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, | |
2664 | &ioc->reply_dma); | |
2665 | if (!ioc->reply) { | |
2666 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", | |
2667 | ioc->name); | |
2668 | goto out; | |
2669 | } | |
dd3741d3 KD |
2670 | ioc->reply_dma_min_address = (u32)(ioc->reply_dma); |
2671 | ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; | |
635374e7 EM |
2672 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" |
2673 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, | |
2674 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); | |
2675 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", | |
2676 | ioc->name, (unsigned long long)ioc->reply_dma)); | |
2677 | total_sz += sz; | |
2678 | ||
2679 | /* reply free queue, 16 byte align */ | |
2680 | sz = ioc->reply_free_queue_depth * 4; | |
2681 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", | |
2682 | ioc->pdev, sz, 16, 0); | |
2683 | if (!ioc->reply_free_dma_pool) { | |
2684 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " | |
2685 | "failed\n", ioc->name); | |
2686 | goto out; | |
2687 | } | |
2688 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, | |
2689 | &ioc->reply_free_dma); | |
2690 | if (!ioc->reply_free) { | |
2691 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " | |
2692 | "failed\n", ioc->name); | |
2693 | goto out; | |
2694 | } | |
2695 | memset(ioc->reply_free, 0, sz); | |
2696 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " | |
2697 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, | |
2698 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); | |
2699 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" | |
2700 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); | |
2701 | total_sz += sz; | |
2702 | ||
2703 | /* reply post queue, 16 byte align */ | |
911ae943 | 2704 | reply_post_free_sz = ioc->reply_post_queue_depth * |
2705 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
2706 | if (_base_is_controller_msix_enabled(ioc)) | |
2707 | sz = reply_post_free_sz * ioc->reply_queue_count; | |
2708 | else | |
2709 | sz = reply_post_free_sz; | |
635374e7 EM |
2710 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", |
2711 | ioc->pdev, sz, 16, 0); | |
2712 | if (!ioc->reply_post_free_dma_pool) { | |
2713 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create " | |
2714 | "failed\n", ioc->name); | |
2715 | goto out; | |
2716 | } | |
2717 | ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool , | |
2718 | GFP_KERNEL, &ioc->reply_post_free_dma); | |
2719 | if (!ioc->reply_post_free) { | |
2720 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc " | |
2721 | "failed\n", ioc->name); | |
2722 | goto out; | |
2723 | } | |
2724 | memset(ioc->reply_post_free, 0, sz); | |
2725 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool" | |
2726 | "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n", | |
2727 | ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8, | |
2728 | sz/1024)); | |
2729 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = " | |
2730 | "(0x%llx)\n", ioc->name, (unsigned long long) | |
2731 | ioc->reply_post_free_dma)); | |
2732 | total_sz += sz; | |
2733 | ||
2734 | ioc->config_page_sz = 512; | |
2735 | ioc->config_page = pci_alloc_consistent(ioc->pdev, | |
2736 | ioc->config_page_sz, &ioc->config_page_dma); | |
2737 | if (!ioc->config_page) { | |
2738 | printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " | |
2739 | "failed\n", ioc->name); | |
2740 | goto out; | |
2741 | } | |
2742 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" | |
2743 | "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); | |
2744 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" | |
2745 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); | |
2746 | total_sz += ioc->config_page_sz; | |
2747 | ||
2748 | printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", | |
2749 | ioc->name, total_sz/1024); | |
2750 | printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " | |
2751 | "Max Controller Queue Depth(%d)\n", | |
2752 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); | |
2753 | printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", | |
2754 | ioc->name, ioc->shost->sg_tablesize); | |
2755 | return 0; | |
2756 | ||
2757 | out: | |
635374e7 EM |
2758 | return -ENOMEM; |
2759 | } | |
2760 | ||
2761 | ||
2762 | /** | |
2763 | * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. | |
2764 | * @ioc: Pointer to MPT_ADAPTER structure | |
2765 | * @cooked: Request raw or cooked IOC state | |
2766 | * | |
2767 | * Returns all IOC Doorbell register bits if cooked==0, else just the | |
2768 | * Doorbell bits in MPI_IOC_STATE_MASK. | |
2769 | */ | |
2770 | u32 | |
2771 | mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) | |
2772 | { | |
2773 | u32 s, sc; | |
2774 | ||
2775 | s = readl(&ioc->chip->Doorbell); | |
2776 | sc = s & MPI2_IOC_STATE_MASK; | |
2777 | return cooked ? sc : s; | |
2778 | } | |
2779 | ||
2780 | /** | |
2781 | * _base_wait_on_iocstate - waiting on a particular ioc state | |
2782 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } | |
2783 | * @timeout: timeout in second | |
2784 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2785 | * | |
2786 | * Returns 0 for success, non-zero for failure. | |
2787 | */ | |
2788 | static int | |
2789 | _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, | |
2790 | int sleep_flag) | |
2791 | { | |
2792 | u32 count, cntdn; | |
2793 | u32 current_state; | |
2794 | ||
2795 | count = 0; | |
2796 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2797 | do { | |
2798 | current_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2799 | if (current_state == ioc_state) | |
2800 | return 0; | |
2801 | if (count && current_state == MPI2_IOC_STATE_FAULT) | |
2802 | break; | |
2803 | if (sleep_flag == CAN_SLEEP) | |
2804 | msleep(1); | |
2805 | else | |
2806 | udelay(500); | |
2807 | count++; | |
2808 | } while (--cntdn); | |
2809 | ||
2810 | return current_state; | |
2811 | } | |
2812 | ||
2813 | /** | |
2814 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by | |
2815 | * a write to the doorbell) | |
2816 | * @ioc: per adapter object | |
2817 | * @timeout: timeout in second | |
2818 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2819 | * | |
2820 | * Returns 0 for success, non-zero for failure. | |
2821 | * | |
2822 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. | |
2823 | */ | |
2824 | static int | |
2825 | _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2826 | int sleep_flag) | |
2827 | { | |
2828 | u32 cntdn, count; | |
2829 | u32 int_status; | |
2830 | ||
2831 | count = 0; | |
2832 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2833 | do { | |
2834 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2835 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
eabb08ad | 2836 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2837 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2838 | __func__, count, timeout)); |
2839 | return 0; | |
2840 | } | |
2841 | if (sleep_flag == CAN_SLEEP) | |
2842 | msleep(1); | |
2843 | else | |
2844 | udelay(500); | |
2845 | count++; | |
2846 | } while (--cntdn); | |
2847 | ||
2848 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2849 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2850 | return -EFAULT; | |
2851 | } | |
2852 | ||
2853 | /** | |
2854 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. | |
2855 | * @ioc: per adapter object | |
2856 | * @timeout: timeout in second | |
2857 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2858 | * | |
2859 | * Returns 0 for success, non-zero for failure. | |
2860 | * | |
2861 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to | |
2862 | * doorbell. | |
2863 | */ | |
2864 | static int | |
2865 | _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2866 | int sleep_flag) | |
2867 | { | |
2868 | u32 cntdn, count; | |
2869 | u32 int_status; | |
2870 | u32 doorbell; | |
2871 | ||
2872 | count = 0; | |
2873 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2874 | do { | |
2875 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2876 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { | |
eabb08ad | 2877 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2878 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2879 | __func__, count, timeout)); |
2880 | return 0; | |
2881 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
2882 | doorbell = readl(&ioc->chip->Doorbell); | |
2883 | if ((doorbell & MPI2_IOC_STATE_MASK) == | |
2884 | MPI2_IOC_STATE_FAULT) { | |
2885 | mpt2sas_base_fault_info(ioc , doorbell); | |
2886 | return -EFAULT; | |
2887 | } | |
2888 | } else if (int_status == 0xFFFFFFFF) | |
2889 | goto out; | |
2890 | ||
2891 | if (sleep_flag == CAN_SLEEP) | |
2892 | msleep(1); | |
2893 | else | |
2894 | udelay(500); | |
2895 | count++; | |
2896 | } while (--cntdn); | |
2897 | ||
2898 | out: | |
2899 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2900 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2901 | return -EFAULT; | |
2902 | } | |
2903 | ||
2904 | /** | |
2905 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use | |
2906 | * @ioc: per adapter object | |
2907 | * @timeout: timeout in second | |
2908 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2909 | * | |
2910 | * Returns 0 for success, non-zero for failure. | |
2911 | * | |
2912 | */ | |
2913 | static int | |
2914 | _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2915 | int sleep_flag) | |
2916 | { | |
2917 | u32 cntdn, count; | |
2918 | u32 doorbell_reg; | |
2919 | ||
2920 | count = 0; | |
2921 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2922 | do { | |
2923 | doorbell_reg = readl(&ioc->chip->Doorbell); | |
2924 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { | |
eabb08ad | 2925 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2926 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2927 | __func__, count, timeout)); |
2928 | return 0; | |
2929 | } | |
2930 | if (sleep_flag == CAN_SLEEP) | |
2931 | msleep(1); | |
2932 | else | |
2933 | udelay(500); | |
2934 | count++; | |
2935 | } while (--cntdn); | |
2936 | ||
2937 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2938 | "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); | |
2939 | return -EFAULT; | |
2940 | } | |
2941 | ||
2942 | /** | |
2943 | * _base_send_ioc_reset - send doorbell reset | |
2944 | * @ioc: per adapter object | |
2945 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
2946 | * @timeout: timeout in second | |
2947 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2948 | * | |
2949 | * Returns 0 for success, non-zero for failure. | |
2950 | */ | |
2951 | static int | |
2952 | _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, | |
2953 | int sleep_flag) | |
2954 | { | |
2955 | u32 ioc_state; | |
2956 | int r = 0; | |
2957 | ||
2958 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { | |
2959 | printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", | |
2960 | ioc->name, __func__); | |
2961 | return -EFAULT; | |
2962 | } | |
2963 | ||
2964 | if (!(ioc->facts.IOCCapabilities & | |
2965 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) | |
2966 | return -EFAULT; | |
2967 | ||
2968 | printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); | |
2969 | ||
2970 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, | |
2971 | &ioc->chip->Doorbell); | |
2972 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { | |
2973 | r = -EFAULT; | |
2974 | goto out; | |
2975 | } | |
2976 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
2977 | timeout, sleep_flag); | |
2978 | if (ioc_state) { | |
2979 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
2980 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
2981 | r = -EFAULT; | |
2982 | goto out; | |
2983 | } | |
2984 | out: | |
2985 | printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", | |
2986 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
2987 | return r; | |
2988 | } | |
2989 | ||
2990 | /** | |
2991 | * _base_handshake_req_reply_wait - send request thru doorbell interface | |
2992 | * @ioc: per adapter object | |
2993 | * @request_bytes: request length | |
2994 | * @request: pointer having request payload | |
2995 | * @reply_bytes: reply length | |
2996 | * @reply: pointer to reply payload | |
2997 | * @timeout: timeout in second | |
2998 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2999 | * | |
3000 | * Returns 0 for success, non-zero for failure. | |
3001 | */ | |
3002 | static int | |
3003 | _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, | |
3004 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) | |
3005 | { | |
3006 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; | |
3007 | int i; | |
3008 | u8 failed; | |
3009 | u16 dummy; | |
c97951ec | 3010 | __le32 *mfp; |
635374e7 EM |
3011 | |
3012 | /* make sure doorbell is not in use */ | |
3013 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { | |
3014 | printk(MPT2SAS_ERR_FMT "doorbell is in use " | |
3015 | " (line=%d)\n", ioc->name, __LINE__); | |
3016 | return -EFAULT; | |
3017 | } | |
3018 | ||
3019 | /* clear pending doorbell interrupts from previous state changes */ | |
3020 | if (readl(&ioc->chip->HostInterruptStatus) & | |
3021 | MPI2_HIS_IOC2SYS_DB_STATUS) | |
3022 | writel(0, &ioc->chip->HostInterruptStatus); | |
3023 | ||
3024 | /* send message to ioc */ | |
3025 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | | |
3026 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), | |
3027 | &ioc->chip->Doorbell); | |
3028 | ||
29786e19 | 3029 | if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { |
635374e7 EM |
3030 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
3031 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3032 | return -EFAULT; | |
3033 | } | |
3034 | writel(0, &ioc->chip->HostInterruptStatus); | |
3035 | ||
3036 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { | |
3037 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3038 | "ack failed (line=%d)\n", ioc->name, __LINE__); | |
3039 | return -EFAULT; | |
3040 | } | |
3041 | ||
3042 | /* send message 32-bits at a time */ | |
3043 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { | |
3044 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); | |
3045 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) | |
3046 | failed = 1; | |
3047 | } | |
3048 | ||
3049 | if (failed) { | |
3050 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3051 | "sending request failed (line=%d)\n", ioc->name, __LINE__); | |
3052 | return -EFAULT; | |
3053 | } | |
3054 | ||
3055 | /* now wait for the reply */ | |
3056 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { | |
3057 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3058 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3059 | return -EFAULT; | |
3060 | } | |
3061 | ||
3062 | /* read the first two 16-bits, it gives the total length of the reply */ | |
3063 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3064 | & MPI2_DOORBELL_DATA_MASK); | |
3065 | writel(0, &ioc->chip->HostInterruptStatus); | |
3066 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3067 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3068 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3069 | return -EFAULT; | |
3070 | } | |
3071 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3072 | & MPI2_DOORBELL_DATA_MASK); | |
3073 | writel(0, &ioc->chip->HostInterruptStatus); | |
3074 | ||
3075 | for (i = 2; i < default_reply->MsgLength * 2; i++) { | |
3076 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3077 | printk(MPT2SAS_ERR_FMT "doorbell " | |
3078 | "handshake int failed (line=%d)\n", ioc->name, | |
3079 | __LINE__); | |
3080 | return -EFAULT; | |
3081 | } | |
3082 | if (i >= reply_bytes/2) /* overflow case */ | |
3083 | dummy = readl(&ioc->chip->Doorbell); | |
3084 | else | |
3085 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3086 | & MPI2_DOORBELL_DATA_MASK); | |
3087 | writel(0, &ioc->chip->HostInterruptStatus); | |
3088 | } | |
3089 | ||
3090 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); | |
3091 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { | |
3092 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " | |
3093 | " (line=%d)\n", ioc->name, __LINE__)); | |
3094 | } | |
3095 | writel(0, &ioc->chip->HostInterruptStatus); | |
3096 | ||
3097 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
c97951ec | 3098 | mfp = (__le32 *)reply; |
eabb08ad | 3099 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3100 | for (i = 0; i < reply_bytes/4; i++) |
eabb08ad | 3101 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3102 | le32_to_cpu(mfp[i])); |
3103 | } | |
3104 | return 0; | |
3105 | } | |
3106 | ||
3107 | /** | |
3108 | * mpt2sas_base_sas_iounit_control - send sas iounit control to FW | |
3109 | * @ioc: per adapter object | |
3110 | * @mpi_reply: the reply payload from FW | |
3111 | * @mpi_request: the request payload sent to FW | |
3112 | * | |
3113 | * The SAS IO Unit Control Request message allows the host to perform low-level | |
3114 | * operations, such as resets on the PHYs of the IO Unit, also allows the host | |
3115 | * to obtain the IOC assigned device handles for a device if it has other | |
3116 | * identifying information about the device, in addition allows the host to | |
3117 | * remove IOC resources associated with the device. | |
3118 | * | |
3119 | * Returns 0 for success, non-zero for failure. | |
3120 | */ | |
3121 | int | |
3122 | mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, | |
3123 | Mpi2SasIoUnitControlReply_t *mpi_reply, | |
3124 | Mpi2SasIoUnitControlRequest_t *mpi_request) | |
3125 | { | |
3126 | u16 smid; | |
3127 | u32 ioc_state; | |
3128 | unsigned long timeleft; | |
3129 | u8 issue_reset; | |
3130 | int rc; | |
3131 | void *request; | |
3132 | u16 wait_state_count; | |
3133 | ||
eabb08ad | 3134 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3135 | __func__)); |
3136 | ||
3137 | mutex_lock(&ioc->base_cmds.mutex); | |
3138 | ||
3139 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3140 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3141 | ioc->name, __func__); | |
3142 | rc = -EAGAIN; | |
3143 | goto out; | |
3144 | } | |
3145 | ||
3146 | wait_state_count = 0; | |
3147 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3148 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3149 | if (wait_state_count++ == 10) { | |
3150 | printk(MPT2SAS_ERR_FMT | |
3151 | "%s: failed due to ioc not operational\n", | |
3152 | ioc->name, __func__); | |
3153 | rc = -EFAULT; | |
3154 | goto out; | |
3155 | } | |
3156 | ssleep(1); | |
3157 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3158 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3159 | "operational state(count=%d)\n", ioc->name, | |
3160 | __func__, wait_state_count); | |
3161 | } | |
3162 | ||
3163 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3164 | if (!smid) { | |
3165 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3166 | ioc->name, __func__); | |
3167 | rc = -EAGAIN; | |
3168 | goto out; | |
3169 | } | |
3170 | ||
3171 | rc = 0; | |
3172 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3173 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3174 | ioc->base_cmds.smid = smid; | |
3175 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3176 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
3177 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) | |
3178 | ioc->ioc_link_reset_in_progress = 1; | |
bcfb6e6e | 3179 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3180 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3181 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3182 | msecs_to_jiffies(10000)); | |
3183 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
3184 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && | |
3185 | ioc->ioc_link_reset_in_progress) | |
3186 | ioc->ioc_link_reset_in_progress = 0; | |
3187 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3188 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3189 | ioc->name, __func__); | |
3190 | _debug_dump_mf(mpi_request, | |
3191 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); | |
3192 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
3193 | issue_reset = 1; | |
3194 | goto issue_host_reset; | |
3195 | } | |
3196 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3197 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3198 | sizeof(Mpi2SasIoUnitControlReply_t)); | |
3199 | else | |
3200 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
3201 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3202 | goto out; | |
3203 | ||
3204 | issue_host_reset: | |
3205 | if (issue_reset) | |
3206 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3207 | FORCE_BIG_HAMMER); | |
3208 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3209 | rc = -EFAULT; | |
3210 | out: | |
3211 | mutex_unlock(&ioc->base_cmds.mutex); | |
3212 | return rc; | |
3213 | } | |
3214 | ||
3215 | ||
3216 | /** | |
3217 | * mpt2sas_base_scsi_enclosure_processor - sending request to sep device | |
3218 | * @ioc: per adapter object | |
3219 | * @mpi_reply: the reply payload from FW | |
3220 | * @mpi_request: the request payload sent to FW | |
3221 | * | |
3222 | * The SCSI Enclosure Processor request message causes the IOC to | |
3223 | * communicate with SES devices to control LED status signals. | |
3224 | * | |
3225 | * Returns 0 for success, non-zero for failure. | |
3226 | */ | |
3227 | int | |
3228 | mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, | |
3229 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) | |
3230 | { | |
3231 | u16 smid; | |
3232 | u32 ioc_state; | |
3233 | unsigned long timeleft; | |
3234 | u8 issue_reset; | |
3235 | int rc; | |
3236 | void *request; | |
3237 | u16 wait_state_count; | |
3238 | ||
eabb08ad | 3239 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3240 | __func__)); |
3241 | ||
3242 | mutex_lock(&ioc->base_cmds.mutex); | |
3243 | ||
3244 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3245 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3246 | ioc->name, __func__); | |
3247 | rc = -EAGAIN; | |
3248 | goto out; | |
3249 | } | |
3250 | ||
3251 | wait_state_count = 0; | |
3252 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3253 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3254 | if (wait_state_count++ == 10) { | |
3255 | printk(MPT2SAS_ERR_FMT | |
3256 | "%s: failed due to ioc not operational\n", | |
3257 | ioc->name, __func__); | |
3258 | rc = -EFAULT; | |
3259 | goto out; | |
3260 | } | |
3261 | ssleep(1); | |
3262 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3263 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3264 | "operational state(count=%d)\n", ioc->name, | |
3265 | __func__, wait_state_count); | |
3266 | } | |
3267 | ||
3268 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3269 | if (!smid) { | |
3270 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3271 | ioc->name, __func__); | |
3272 | rc = -EAGAIN; | |
3273 | goto out; | |
3274 | } | |
3275 | ||
3276 | rc = 0; | |
3277 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3278 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3279 | ioc->base_cmds.smid = smid; | |
3280 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); | |
bcfb6e6e | 3281 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3282 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3283 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3284 | msecs_to_jiffies(10000)); | |
3285 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3286 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3287 | ioc->name, __func__); | |
3288 | _debug_dump_mf(mpi_request, | |
3289 | sizeof(Mpi2SepRequest_t)/4); | |
3290 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
3291 | issue_reset = 1; | |
3292 | goto issue_host_reset; | |
3293 | } | |
3294 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3295 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3296 | sizeof(Mpi2SepReply_t)); | |
3297 | else | |
3298 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); | |
3299 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3300 | goto out; | |
3301 | ||
3302 | issue_host_reset: | |
3303 | if (issue_reset) | |
3304 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3305 | FORCE_BIG_HAMMER); | |
3306 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3307 | rc = -EFAULT; | |
3308 | out: | |
3309 | mutex_unlock(&ioc->base_cmds.mutex); | |
3310 | return rc; | |
3311 | } | |
3312 | ||
3313 | /** | |
3314 | * _base_get_port_facts - obtain port facts reply and save in ioc | |
3315 | * @ioc: per adapter object | |
3316 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3317 | * | |
3318 | * Returns 0 for success, non-zero for failure. | |
3319 | */ | |
3320 | static int | |
3321 | _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) | |
3322 | { | |
3323 | Mpi2PortFactsRequest_t mpi_request; | |
c97951ec KD |
3324 | Mpi2PortFactsReply_t mpi_reply; |
3325 | struct mpt2sas_port_facts *pfacts; | |
635374e7 EM |
3326 | int mpi_reply_sz, mpi_request_sz, r; |
3327 | ||
eabb08ad | 3328 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3329 | __func__)); |
3330 | ||
3331 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); | |
3332 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); | |
3333 | memset(&mpi_request, 0, mpi_request_sz); | |
3334 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; | |
3335 | mpi_request.PortNumber = port; | |
3336 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3337 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3338 | ||
3339 | if (r != 0) { | |
3340 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3341 | ioc->name, __func__, r); | |
3342 | return r; | |
3343 | } | |
3344 | ||
3345 | pfacts = &ioc->pfacts[port]; | |
3346 | memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t)); | |
3347 | pfacts->PortNumber = mpi_reply.PortNumber; | |
3348 | pfacts->VP_ID = mpi_reply.VP_ID; | |
3349 | pfacts->VF_ID = mpi_reply.VF_ID; | |
3350 | pfacts->MaxPostedCmdBuffers = | |
3351 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); | |
3352 | ||
3353 | return 0; | |
3354 | } | |
3355 | ||
3356 | /** | |
3357 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc | |
3358 | * @ioc: per adapter object | |
3359 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3360 | * | |
3361 | * Returns 0 for success, non-zero for failure. | |
3362 | */ | |
3363 | static int | |
3364 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3365 | { | |
3366 | Mpi2IOCFactsRequest_t mpi_request; | |
c97951ec KD |
3367 | Mpi2IOCFactsReply_t mpi_reply; |
3368 | struct mpt2sas_facts *facts; | |
635374e7 EM |
3369 | int mpi_reply_sz, mpi_request_sz, r; |
3370 | ||
eabb08ad | 3371 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3372 | __func__)); |
3373 | ||
3374 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); | |
3375 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); | |
3376 | memset(&mpi_request, 0, mpi_request_sz); | |
3377 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; | |
3378 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3379 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3380 | ||
3381 | if (r != 0) { | |
3382 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3383 | ioc->name, __func__, r); | |
3384 | return r; | |
3385 | } | |
3386 | ||
3387 | facts = &ioc->facts; | |
3388 | memset(facts, 0, sizeof(Mpi2IOCFactsReply_t)); | |
3389 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); | |
3390 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); | |
3391 | facts->VP_ID = mpi_reply.VP_ID; | |
3392 | facts->VF_ID = mpi_reply.VF_ID; | |
3393 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); | |
3394 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; | |
3395 | facts->WhoInit = mpi_reply.WhoInit; | |
3396 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; | |
911ae943 | 3397 | facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; |
635374e7 EM |
3398 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); |
3399 | facts->MaxReplyDescriptorPostQueueDepth = | |
3400 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); | |
3401 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); | |
3402 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); | |
3403 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) | |
3404 | ioc->ir_firmware = 1; | |
3405 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); | |
3406 | facts->IOCRequestFrameSize = | |
3407 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); | |
3408 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); | |
3409 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); | |
3410 | ioc->shost->max_id = -1; | |
3411 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); | |
3412 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); | |
3413 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); | |
3414 | facts->HighPriorityCredit = | |
3415 | le16_to_cpu(mpi_reply.HighPriorityCredit); | |
3416 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; | |
3417 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); | |
3418 | ||
3419 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " | |
3420 | "max chains per io(%d)\n", ioc->name, facts->RequestCredit, | |
3421 | facts->MaxChainDepth)); | |
3422 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " | |
3423 | "reply frame size(%d)\n", ioc->name, | |
3424 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); | |
3425 | return 0; | |
3426 | } | |
3427 | ||
3428 | /** | |
3429 | * _base_send_ioc_init - send ioc_init to firmware | |
3430 | * @ioc: per adapter object | |
635374e7 EM |
3431 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3432 | * | |
3433 | * Returns 0 for success, non-zero for failure. | |
3434 | */ | |
3435 | static int | |
7b936b02 | 3436 | _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3437 | { |
3438 | Mpi2IOCInitRequest_t mpi_request; | |
3439 | Mpi2IOCInitReply_t mpi_reply; | |
3440 | int r; | |
a8ebd76c | 3441 | struct timeval current_time; |
463217bf | 3442 | u16 ioc_status; |
635374e7 | 3443 | |
eabb08ad | 3444 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3445 | __func__)); |
3446 | ||
3447 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); | |
3448 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; | |
3449 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
7b936b02 KD |
3450 | mpi_request.VF_ID = 0; /* TODO */ |
3451 | mpi_request.VP_ID = 0; | |
635374e7 EM |
3452 | mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); |
3453 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
3454 | ||
911ae943 | 3455 | if (_base_is_controller_msix_enabled(ioc)) |
3456 | mpi_request.HostMSIxVectors = ioc->reply_queue_count; | |
635374e7 EM |
3457 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); |
3458 | mpi_request.ReplyDescriptorPostQueueDepth = | |
3459 | cpu_to_le16(ioc->reply_post_queue_depth); | |
3460 | mpi_request.ReplyFreeQueueDepth = | |
3461 | cpu_to_le16(ioc->reply_free_queue_depth); | |
3462 | ||
635374e7 | 3463 | mpi_request.SenseBufferAddressHigh = |
c97951ec | 3464 | cpu_to_le32((u64)ioc->sense_dma >> 32); |
635374e7 | 3465 | mpi_request.SystemReplyAddressHigh = |
c97951ec | 3466 | cpu_to_le32((u64)ioc->reply_dma >> 32); |
635374e7 | 3467 | mpi_request.SystemRequestFrameBaseAddress = |
c97951ec | 3468 | cpu_to_le64((u64)ioc->request_dma); |
635374e7 | 3469 | mpi_request.ReplyFreeQueueAddress = |
c97951ec | 3470 | cpu_to_le64((u64)ioc->reply_free_dma); |
635374e7 | 3471 | mpi_request.ReplyDescriptorPostQueueAddress = |
c97951ec KD |
3472 | cpu_to_le64((u64)ioc->reply_post_free_dma); |
3473 | ||
635374e7 | 3474 | |
a8ebd76c KD |
3475 | /* This time stamp specifies number of milliseconds |
3476 | * since epoch ~ midnight January 1, 1970. | |
3477 | */ | |
3478 | do_gettimeofday(¤t_time); | |
7921b35c KD |
3479 | mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + |
3480 | (current_time.tv_usec / 1000)); | |
a8ebd76c | 3481 | |
635374e7 | 3482 | if (ioc->logging_level & MPT_DEBUG_INIT) { |
c97951ec | 3483 | __le32 *mfp; |
635374e7 EM |
3484 | int i; |
3485 | ||
c97951ec | 3486 | mfp = (__le32 *)&mpi_request; |
eabb08ad | 3487 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3488 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) |
eabb08ad | 3489 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3490 | le32_to_cpu(mfp[i])); |
3491 | } | |
3492 | ||
3493 | r = _base_handshake_req_reply_wait(ioc, | |
3494 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, | |
3495 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, | |
3496 | sleep_flag); | |
3497 | ||
3498 | if (r != 0) { | |
3499 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3500 | ioc->name, __func__, r); | |
3501 | return r; | |
3502 | } | |
3503 | ||
463217bf KD |
3504 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
3505 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS || | |
635374e7 EM |
3506 | mpi_reply.IOCLogInfo) { |
3507 | printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); | |
3508 | r = -EIO; | |
3509 | } | |
3510 | ||
3511 | return 0; | |
3512 | } | |
3513 | ||
921cd802 | 3514 | /** |
3515 | * mpt2sas_port_enable_done - command completion routine for port enable | |
3516 | * @ioc: per adapter object | |
3517 | * @smid: system request message index | |
3518 | * @msix_index: MSIX table index supplied by the OS | |
3519 | * @reply: reply message frame(lower 32bit addr) | |
3520 | * | |
3521 | * Return 1 meaning mf should be freed from _base_interrupt | |
3522 | * 0 means the mf is freed from this function. | |
3523 | */ | |
3524 | u8 | |
3525 | mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
3526 | u32 reply) | |
3527 | { | |
3528 | MPI2DefaultReply_t *mpi_reply; | |
3529 | u16 ioc_status; | |
3530 | ||
3531 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3532 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
3533 | return 1; | |
3534 | ||
3535 | if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) | |
3536 | return 1; | |
3537 | ||
3538 | ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; | |
3539 | if (mpi_reply) { | |
3540 | ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; | |
3541 | memcpy(ioc->port_enable_cmds.reply, mpi_reply, | |
3542 | mpi_reply->MsgLength*4); | |
3543 | } | |
3544 | ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; | |
3545 | ||
3546 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
3547 | ||
3548 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
3549 | ioc->port_enable_failed = 1; | |
3550 | ||
3551 | if (ioc->is_driver_loading) { | |
3552 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
3553 | mpt2sas_port_enable_complete(ioc); | |
3554 | return 1; | |
3555 | } else { | |
3556 | ioc->start_scan_failed = ioc_status; | |
3557 | ioc->start_scan = 0; | |
3558 | return 1; | |
3559 | } | |
3560 | } | |
3561 | complete(&ioc->port_enable_cmds.done); | |
3562 | return 1; | |
3563 | } | |
3564 | ||
3565 | ||
635374e7 EM |
3566 | /** |
3567 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware | |
3568 | * @ioc: per adapter object | |
635374e7 EM |
3569 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3570 | * | |
3571 | * Returns 0 for success, non-zero for failure. | |
3572 | */ | |
3573 | static int | |
7b936b02 | 3574 | _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3575 | { |
3576 | Mpi2PortEnableRequest_t *mpi_request; | |
921cd802 | 3577 | Mpi2PortEnableReply_t *mpi_reply; |
635374e7 EM |
3578 | unsigned long timeleft; |
3579 | int r = 0; | |
3580 | u16 smid; | |
921cd802 | 3581 | u16 ioc_status; |
635374e7 EM |
3582 | |
3583 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3584 | ||
921cd802 | 3585 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
635374e7 EM |
3586 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", |
3587 | ioc->name, __func__); | |
3588 | return -EAGAIN; | |
3589 | } | |
3590 | ||
921cd802 | 3591 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); |
635374e7 EM |
3592 | if (!smid) { |
3593 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3594 | ioc->name, __func__); | |
3595 | return -EAGAIN; | |
3596 | } | |
3597 | ||
921cd802 | 3598 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; |
635374e7 | 3599 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
921cd802 | 3600 | ioc->port_enable_cmds.smid = smid; |
635374e7 EM |
3601 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); |
3602 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
635374e7 | 3603 | |
921cd802 | 3604 | init_completion(&ioc->port_enable_cmds.done); |
7b936b02 | 3605 | mpt2sas_base_put_smid_default(ioc, smid); |
921cd802 | 3606 | timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, |
635374e7 | 3607 | 300*HZ); |
921cd802 | 3608 | if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { |
635374e7 EM |
3609 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
3610 | ioc->name, __func__); | |
3611 | _debug_dump_mf(mpi_request, | |
3612 | sizeof(Mpi2PortEnableRequest_t)/4); | |
921cd802 | 3613 | if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) |
635374e7 EM |
3614 | r = -EFAULT; |
3615 | else | |
3616 | r = -ETIME; | |
3617 | goto out; | |
921cd802 | 3618 | } |
3619 | mpi_reply = ioc->port_enable_cmds.reply; | |
635374e7 | 3620 | |
921cd802 | 3621 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; |
3622 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3623 | printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", | |
3624 | ioc->name, __func__, ioc_status); | |
635374e7 | 3625 | r = -EFAULT; |
921cd802 | 3626 | goto out; |
635374e7 EM |
3627 | } |
3628 | out: | |
921cd802 | 3629 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; |
3630 | printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? | |
3631 | "SUCCESS" : "FAILED")); | |
635374e7 EM |
3632 | return r; |
3633 | } | |
3634 | ||
921cd802 | 3635 | /** |
3636 | * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) | |
3637 | * @ioc: per adapter object | |
3638 | * | |
3639 | * Returns 0 for success, non-zero for failure. | |
3640 | */ | |
3641 | int | |
3642 | mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) | |
3643 | { | |
3644 | Mpi2PortEnableRequest_t *mpi_request; | |
3645 | u16 smid; | |
3646 | ||
3647 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3648 | ||
3649 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { | |
3650 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3651 | ioc->name, __func__); | |
3652 | return -EAGAIN; | |
3653 | } | |
3654 | ||
3655 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); | |
3656 | if (!smid) { | |
3657 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3658 | ioc->name, __func__); | |
3659 | return -EAGAIN; | |
3660 | } | |
3661 | ||
3662 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; | |
3663 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3664 | ioc->port_enable_cmds.smid = smid; | |
3665 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
3666 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
3667 | ||
3668 | mpt2sas_base_put_smid_default(ioc, smid); | |
3669 | return 0; | |
3670 | } | |
3671 | ||
3672 | /** | |
3673 | * _base_determine_wait_on_discovery - desposition | |
3674 | * @ioc: per adapter object | |
3675 | * | |
3676 | * Decide whether to wait on discovery to complete. Used to either | |
3677 | * locate boot device, or report volumes ahead of physical devices. | |
3678 | * | |
3679 | * Returns 1 for wait, 0 for don't wait | |
3680 | */ | |
3681 | static int | |
3682 | _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) | |
3683 | { | |
3684 | /* We wait for discovery to complete if IR firmware is loaded. | |
3685 | * The sas topology events arrive before PD events, so we need time to | |
3686 | * turn on the bit in ioc->pd_handles to indicate PD | |
3687 | * Also, it maybe required to report Volumes ahead of physical | |
3688 | * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. | |
3689 | */ | |
3690 | if (ioc->ir_firmware) | |
3691 | return 1; | |
3692 | ||
3693 | /* if no Bios, then we don't need to wait */ | |
3694 | if (!ioc->bios_pg3.BiosVersion) | |
3695 | return 0; | |
3696 | ||
3697 | /* Bios is present, then we drop down here. | |
3698 | * | |
3699 | * If there any entries in the Bios Page 2, then we wait | |
3700 | * for discovery to complete. | |
3701 | */ | |
3702 | ||
3703 | /* Current Boot Device */ | |
3704 | if ((ioc->bios_pg2.CurrentBootDeviceForm & | |
3705 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3706 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
3707 | /* Request Boot Device */ | |
3708 | (ioc->bios_pg2.ReqBootDeviceForm & | |
3709 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3710 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
3711 | /* Alternate Request Boot Device */ | |
3712 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
3713 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3714 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) | |
3715 | return 0; | |
3716 | ||
3717 | return 1; | |
3718 | } | |
3719 | ||
3720 | ||
635374e7 EM |
3721 | /** |
3722 | * _base_unmask_events - turn on notification for this event | |
3723 | * @ioc: per adapter object | |
3724 | * @event: firmware event | |
3725 | * | |
3726 | * The mask is stored in ioc->event_masks. | |
3727 | */ | |
3728 | static void | |
3729 | _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
3730 | { | |
3731 | u32 desired_event; | |
3732 | ||
3733 | if (event >= 128) | |
3734 | return; | |
3735 | ||
3736 | desired_event = (1 << (event % 32)); | |
3737 | ||
3738 | if (event < 32) | |
3739 | ioc->event_masks[0] &= ~desired_event; | |
3740 | else if (event < 64) | |
3741 | ioc->event_masks[1] &= ~desired_event; | |
3742 | else if (event < 96) | |
3743 | ioc->event_masks[2] &= ~desired_event; | |
3744 | else if (event < 128) | |
3745 | ioc->event_masks[3] &= ~desired_event; | |
3746 | } | |
3747 | ||
3748 | /** | |
3749 | * _base_event_notification - send event notification | |
3750 | * @ioc: per adapter object | |
635374e7 EM |
3751 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3752 | * | |
3753 | * Returns 0 for success, non-zero for failure. | |
3754 | */ | |
3755 | static int | |
7b936b02 | 3756 | _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3757 | { |
3758 | Mpi2EventNotificationRequest_t *mpi_request; | |
3759 | unsigned long timeleft; | |
3760 | u16 smid; | |
3761 | int r = 0; | |
3762 | int i; | |
3763 | ||
eabb08ad | 3764 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3765 | __func__)); |
3766 | ||
3767 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
3768 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3769 | ioc->name, __func__); | |
3770 | return -EAGAIN; | |
3771 | } | |
3772 | ||
3773 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3774 | if (!smid) { | |
3775 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3776 | ioc->name, __func__); | |
3777 | return -EAGAIN; | |
3778 | } | |
3779 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3780 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3781 | ioc->base_cmds.smid = smid; | |
3782 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); | |
3783 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
7b936b02 KD |
3784 | mpi_request->VF_ID = 0; /* TODO */ |
3785 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3786 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
3787 | mpi_request->EventMasks[i] = | |
e94f6747 | 3788 | cpu_to_le32(ioc->event_masks[i]); |
bcfb6e6e | 3789 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3790 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3791 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); |
3792 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3793 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3794 | ioc->name, __func__); | |
3795 | _debug_dump_mf(mpi_request, | |
3796 | sizeof(Mpi2EventNotificationRequest_t)/4); | |
3797 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
3798 | r = -EFAULT; | |
3799 | else | |
3800 | r = -ETIME; | |
3801 | } else | |
eabb08ad | 3802 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", |
635374e7 EM |
3803 | ioc->name, __func__)); |
3804 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3805 | return r; | |
3806 | } | |
3807 | ||
3808 | /** | |
3809 | * mpt2sas_base_validate_event_type - validating event types | |
3810 | * @ioc: per adapter object | |
3811 | * @event: firmware event | |
3812 | * | |
3813 | * This will turn on firmware event notification when application | |
3814 | * ask for that event. We don't mask events that are already enabled. | |
3815 | */ | |
3816 | void | |
3817 | mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) | |
3818 | { | |
3819 | int i, j; | |
3820 | u32 event_mask, desired_event; | |
3821 | u8 send_update_to_fw; | |
3822 | ||
3823 | for (i = 0, send_update_to_fw = 0; i < | |
3824 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { | |
3825 | event_mask = ~event_type[i]; | |
3826 | desired_event = 1; | |
3827 | for (j = 0; j < 32; j++) { | |
3828 | if (!(event_mask & desired_event) && | |
3829 | (ioc->event_masks[i] & desired_event)) { | |
3830 | ioc->event_masks[i] &= ~desired_event; | |
3831 | send_update_to_fw = 1; | |
3832 | } | |
3833 | desired_event = (desired_event << 1); | |
3834 | } | |
3835 | } | |
3836 | ||
3837 | if (!send_update_to_fw) | |
3838 | return; | |
3839 | ||
3840 | mutex_lock(&ioc->base_cmds.mutex); | |
7b936b02 | 3841 | _base_event_notification(ioc, CAN_SLEEP); |
635374e7 EM |
3842 | mutex_unlock(&ioc->base_cmds.mutex); |
3843 | } | |
3844 | ||
3845 | /** | |
3846 | * _base_diag_reset - the "big hammer" start of day reset | |
3847 | * @ioc: per adapter object | |
3848 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3849 | * | |
3850 | * Returns 0 for success, non-zero for failure. | |
3851 | */ | |
3852 | static int | |
3853 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3854 | { | |
3855 | u32 host_diagnostic; | |
3856 | u32 ioc_state; | |
3857 | u32 count; | |
3858 | u32 hcb_size; | |
3859 | ||
3860 | printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); | |
eabb08ad | 3861 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", |
635374e7 | 3862 | ioc->name)); |
635374e7 EM |
3863 | |
3864 | count = 0; | |
3865 | do { | |
3866 | /* Write magic sequence to WriteSequence register | |
3867 | * Loop until in diagnostic mode | |
3868 | */ | |
eabb08ad | 3869 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " |
635374e7 EM |
3870 | "sequence\n", ioc->name)); |
3871 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3872 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); | |
3873 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); | |
3874 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); | |
3875 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3876 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3877 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3878 | ||
3879 | /* wait 100 msec */ | |
3880 | if (sleep_flag == CAN_SLEEP) | |
3881 | msleep(100); | |
3882 | else | |
3883 | mdelay(100); | |
3884 | ||
3885 | if (count++ > 20) | |
3886 | goto out; | |
3887 | ||
3888 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
eabb08ad | 3889 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " |
635374e7 EM |
3890 | "sequence: count(%d), host_diagnostic(0x%08x)\n", |
3891 | ioc->name, count, host_diagnostic)); | |
3892 | ||
3893 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); | |
3894 | ||
3895 | hcb_size = readl(&ioc->chip->HCBSize); | |
3896 | ||
eabb08ad | 3897 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", |
635374e7 EM |
3898 | ioc->name)); |
3899 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, | |
3900 | &ioc->chip->HostDiagnostic); | |
3901 | ||
3902 | /* don't access any registers for 50 milliseconds */ | |
3903 | msleep(50); | |
3904 | ||
3905 | /* 300 second max wait */ | |
3906 | for (count = 0; count < 3000000 ; count++) { | |
3907 | ||
3908 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
3909 | ||
3910 | if (host_diagnostic == 0xFFFFFFFF) | |
3911 | goto out; | |
3912 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | |
3913 | break; | |
3914 | ||
3915 | /* wait 100 msec */ | |
3916 | if (sleep_flag == CAN_SLEEP) | |
3917 | msleep(1); | |
3918 | else | |
3919 | mdelay(1); | |
3920 | } | |
3921 | ||
3922 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { | |
3923 | ||
eabb08ad | 3924 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " |
635374e7 EM |
3925 | "assuming the HCB Address points to good F/W\n", |
3926 | ioc->name)); | |
3927 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; | |
3928 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; | |
3929 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); | |
3930 | ||
eabb08ad | 3931 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
3932 | "re-enable the HCDW\n", ioc->name)); |
3933 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, | |
3934 | &ioc->chip->HCBSize); | |
3935 | } | |
3936 | ||
eabb08ad | 3937 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", |
635374e7 EM |
3938 | ioc->name)); |
3939 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, | |
3940 | &ioc->chip->HostDiagnostic); | |
3941 | ||
eabb08ad | 3942 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " |
635374e7 EM |
3943 | "diagnostic register\n", ioc->name)); |
3944 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3945 | ||
eabb08ad | 3946 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " |
635374e7 EM |
3947 | "READY state\n", ioc->name)); |
3948 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, | |
3949 | sleep_flag); | |
3950 | if (ioc_state) { | |
3951 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
3952 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
3953 | goto out; | |
3954 | } | |
3955 | ||
635374e7 EM |
3956 | printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); |
3957 | return 0; | |
3958 | ||
3959 | out: | |
3960 | printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); | |
3961 | return -EFAULT; | |
3962 | } | |
3963 | ||
3964 | /** | |
3965 | * _base_make_ioc_ready - put controller in READY state | |
3966 | * @ioc: per adapter object | |
3967 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3968 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
3969 | * | |
3970 | * Returns 0 for success, non-zero for failure. | |
3971 | */ | |
3972 | static int | |
3973 | _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
3974 | enum reset_type type) | |
3975 | { | |
3976 | u32 ioc_state; | |
d32a8c15 | 3977 | int rc; |
635374e7 | 3978 | |
eabb08ad | 3979 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3980 | __func__)); |
3981 | ||
3cb5469a EM |
3982 | if (ioc->pci_error_recovery) |
3983 | return 0; | |
3984 | ||
635374e7 | 3985 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
eabb08ad | 3986 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", |
635374e7 EM |
3987 | ioc->name, __func__, ioc_state)); |
3988 | ||
3989 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) | |
3990 | return 0; | |
3991 | ||
3992 | if (ioc_state & MPI2_DOORBELL_USED) { | |
eabb08ad | 3993 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
635374e7 EM |
3994 | "active!\n", ioc->name)); |
3995 | goto issue_diag_reset; | |
3996 | } | |
3997 | ||
3998 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
3999 | mpt2sas_base_fault_info(ioc, ioc_state & | |
4000 | MPI2_DOORBELL_DATA_MASK); | |
4001 | goto issue_diag_reset; | |
4002 | } | |
4003 | ||
4004 | if (type == FORCE_BIG_HAMMER) | |
4005 | goto issue_diag_reset; | |
4006 | ||
4007 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
4008 | if (!(_base_send_ioc_reset(ioc, | |
d32a8c15 KD |
4009 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { |
4010 | ioc->ioc_reset_count++; | |
635374e7 | 4011 | return 0; |
d32a8c15 | 4012 | } |
635374e7 EM |
4013 | |
4014 | issue_diag_reset: | |
d32a8c15 KD |
4015 | rc = _base_diag_reset(ioc, CAN_SLEEP); |
4016 | ioc->ioc_reset_count++; | |
4017 | return rc; | |
635374e7 EM |
4018 | } |
4019 | ||
4020 | /** | |
4021 | * _base_make_ioc_operational - put controller in OPERATIONAL state | |
4022 | * @ioc: per adapter object | |
635374e7 EM |
4023 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
4024 | * | |
4025 | * Returns 0 for success, non-zero for failure. | |
4026 | */ | |
4027 | static int | |
7b936b02 | 4028 | _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
4029 | { |
4030 | int r, i; | |
4031 | unsigned long flags; | |
4032 | u32 reply_address; | |
595bb0bd | 4033 | u16 smid; |
77e63ed4 | 4034 | struct _tr_list *delayed_tr, *delayed_tr_next; |
0bdccdb0 | 4035 | u8 hide_flag; |
911ae943 | 4036 | struct adapter_reply_queue *reply_q; |
4037 | long reply_post_free; | |
4038 | u32 reply_post_free_sz; | |
635374e7 | 4039 | |
eabb08ad | 4040 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4041 | __func__)); |
4042 | ||
77e63ed4 KD |
4043 | /* clean the delayed target reset list */ |
4044 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, | |
4045 | &ioc->delayed_tr_list, list) { | |
4046 | list_del(&delayed_tr->list); | |
4047 | kfree(delayed_tr); | |
4048 | } | |
4049 | ||
f3eedd69 KD |
4050 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, |
4051 | &ioc->delayed_tr_volume_list, list) { | |
4052 | list_del(&delayed_tr->list); | |
4053 | kfree(delayed_tr); | |
4054 | } | |
4055 | ||
635374e7 EM |
4056 | /* initialize the scsi lookup free list */ |
4057 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
4058 | INIT_LIST_HEAD(&ioc->free_list); | |
595bb0bd KD |
4059 | smid = 1; |
4060 | for (i = 0; i < ioc->scsiio_depth; i++, smid++) { | |
35f805b5 | 4061 | INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); |
635374e7 | 4062 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
595bb0bd KD |
4063 | ioc->scsi_lookup[i].smid = smid; |
4064 | ioc->scsi_lookup[i].scmd = NULL; | |
0bdccdb0 | 4065 | ioc->scsi_lookup[i].direct_io = 0; |
635374e7 EM |
4066 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
4067 | &ioc->free_list); | |
4068 | } | |
595bb0bd KD |
4069 | |
4070 | /* hi-priority queue */ | |
4071 | INIT_LIST_HEAD(&ioc->hpr_free_list); | |
4072 | smid = ioc->hi_priority_smid; | |
4073 | for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { | |
4074 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
4075 | ioc->hpr_lookup[i].smid = smid; | |
4076 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
4077 | &ioc->hpr_free_list); | |
4078 | } | |
4079 | ||
4080 | /* internal queue */ | |
4081 | INIT_LIST_HEAD(&ioc->internal_free_list); | |
4082 | smid = ioc->internal_smid; | |
4083 | for (i = 0; i < ioc->internal_depth; i++, smid++) { | |
4084 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
4085 | ioc->internal_lookup[i].smid = smid; | |
4086 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
4087 | &ioc->internal_free_list); | |
4088 | } | |
35f805b5 KD |
4089 | |
4090 | /* chain pool */ | |
4091 | INIT_LIST_HEAD(&ioc->free_chain_list); | |
4092 | for (i = 0; i < ioc->chain_depth; i++) | |
4093 | list_add_tail(&ioc->chain_lookup[i].tracker_list, | |
4094 | &ioc->free_chain_list); | |
4095 | ||
635374e7 EM |
4096 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
4097 | ||
4098 | /* initialize Reply Free Queue */ | |
4099 | for (i = 0, reply_address = (u32)ioc->reply_dma ; | |
4100 | i < ioc->reply_free_queue_depth ; i++, reply_address += | |
4101 | ioc->reply_sz) | |
4102 | ioc->reply_free[i] = cpu_to_le32(reply_address); | |
4103 | ||
911ae943 | 4104 | /* initialize reply queues */ |
2cb6fc8c | 4105 | if (ioc->is_driver_loading) |
4106 | _base_assign_reply_queues(ioc); | |
911ae943 | 4107 | |
635374e7 | 4108 | /* initialize Reply Post Free Queue */ |
911ae943 | 4109 | reply_post_free = (long)ioc->reply_post_free; |
4110 | reply_post_free_sz = ioc->reply_post_queue_depth * | |
4111 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
4112 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
4113 | reply_q->reply_post_host_index = 0; | |
4114 | reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) | |
4115 | reply_post_free; | |
4116 | for (i = 0; i < ioc->reply_post_queue_depth; i++) | |
4117 | reply_q->reply_post_free[i].Words = | |
4118 | cpu_to_le64(ULLONG_MAX); | |
4119 | if (!_base_is_controller_msix_enabled(ioc)) | |
4120 | goto skip_init_reply_post_free_queue; | |
4121 | reply_post_free += reply_post_free_sz; | |
4122 | } | |
4123 | skip_init_reply_post_free_queue: | |
635374e7 | 4124 | |
7b936b02 | 4125 | r = _base_send_ioc_init(ioc, sleep_flag); |
635374e7 EM |
4126 | if (r) |
4127 | return r; | |
4128 | ||
911ae943 | 4129 | /* initialize reply free host index */ |
635374e7 | 4130 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; |
635374e7 | 4131 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); |
911ae943 | 4132 | |
4133 | /* initialize reply post host index */ | |
4134 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
4135 | writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, | |
4136 | &ioc->chip->ReplyPostHostIndex); | |
4137 | if (!_base_is_controller_msix_enabled(ioc)) | |
4138 | goto skip_init_reply_post_host_index; | |
4139 | } | |
4140 | ||
4141 | skip_init_reply_post_host_index: | |
635374e7 EM |
4142 | |
4143 | _base_unmask_interrupts(ioc); | |
921cd802 | 4144 | |
7b936b02 | 4145 | r = _base_event_notification(ioc, sleep_flag); |
635374e7 EM |
4146 | if (r) |
4147 | return r; | |
4148 | ||
4149 | if (sleep_flag == CAN_SLEEP) | |
4150 | _base_static_config_pages(ioc); | |
4151 | ||
921cd802 | 4152 | |
4153 | if (ioc->is_driver_loading) { | |
2cb6fc8c | 4154 | if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier |
4155 | == 0x80) { | |
0bdccdb0 KD |
4156 | hide_flag = (u8) (ioc->manu_pg10.OEMSpecificFlags0 & |
4157 | MFG_PAGE10_HIDE_SSDS_MASK); | |
4158 | if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) | |
4159 | ioc->mfg_pg10_hide_flag = hide_flag; | |
4160 | } | |
2cb6fc8c | 4161 | ioc->wait_for_discovery_to_complete = |
4162 | _base_determine_wait_on_discovery(ioc); | |
4163 | return r; /* scan_start and scan_finished support */ | |
0bdccdb0 | 4164 | } |
7b936b02 | 4165 | r = _base_send_port_enable(ioc, sleep_flag); |
635374e7 EM |
4166 | if (r) |
4167 | return r; | |
4168 | ||
4169 | return r; | |
4170 | } | |
4171 | ||
4172 | /** | |
4173 | * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) | |
4174 | * @ioc: per adapter object | |
4175 | * | |
4176 | * Return nothing. | |
4177 | */ | |
4178 | void | |
4179 | mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) | |
4180 | { | |
4181 | struct pci_dev *pdev = ioc->pdev; | |
4182 | ||
eabb08ad | 4183 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4184 | __func__)); |
4185 | ||
4186 | _base_mask_interrupts(ioc); | |
6558bbb1 | 4187 | ioc->shost_recovery = 1; |
635374e7 | 4188 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
6558bbb1 | 4189 | ioc->shost_recovery = 0; |
911ae943 | 4190 | _base_free_irq(ioc); |
635374e7 EM |
4191 | _base_disable_msix(ioc); |
4192 | if (ioc->chip_phys) | |
4193 | iounmap(ioc->chip); | |
635374e7 EM |
4194 | ioc->chip_phys = 0; |
4195 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
ef7c80c1 | 4196 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 4197 | pci_disable_device(pdev); |
635374e7 EM |
4198 | return; |
4199 | } | |
4200 | ||
4201 | /** | |
4202 | * mpt2sas_base_attach - attach controller instance | |
4203 | * @ioc: per adapter object | |
4204 | * | |
4205 | * Returns 0 for success, non-zero for failure. | |
4206 | */ | |
4207 | int | |
4208 | mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) | |
4209 | { | |
4210 | int r, i; | |
911ae943 | 4211 | int cpu_id, last_cpu_id = 0; |
635374e7 | 4212 | |
eabb08ad | 4213 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4214 | __func__)); |
4215 | ||
911ae943 | 4216 | /* setup cpu_msix_table */ |
4217 | ioc->cpu_count = num_online_cpus(); | |
4218 | for_each_online_cpu(cpu_id) | |
4219 | last_cpu_id = cpu_id; | |
4220 | ioc->cpu_msix_table_sz = last_cpu_id + 1; | |
4221 | ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); | |
4222 | ioc->reply_queue_count = 1; | |
4223 | if (!ioc->cpu_msix_table) { | |
4224 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " | |
4225 | "cpu_msix_table failed!!!\n", ioc->name)); | |
4226 | r = -ENOMEM; | |
4227 | goto out_free_resources; | |
4228 | } | |
4229 | ||
4230 | if (ioc->is_warpdrive) { | |
4231 | ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, | |
4232 | sizeof(resource_size_t *), GFP_KERNEL); | |
4233 | if (!ioc->reply_post_host_index) { | |
4234 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " | |
4235 | "for cpu_msix_table failed!!!\n", ioc->name)); | |
4236 | r = -ENOMEM; | |
4237 | goto out_free_resources; | |
4238 | } | |
4239 | } | |
4240 | ||
635374e7 EM |
4241 | r = mpt2sas_base_map_resources(ioc); |
4242 | if (r) | |
c24a1710 | 4243 | goto out_free_resources; |
635374e7 | 4244 | |
911ae943 | 4245 | if (ioc->is_warpdrive) { |
4246 | ioc->reply_post_host_index[0] = | |
4247 | (resource_size_t *)&ioc->chip->ReplyPostHostIndex; | |
4248 | ||
4249 | for (i = 1; i < ioc->cpu_msix_table_sz; i++) | |
4250 | ioc->reply_post_host_index[i] = (resource_size_t *) | |
4251 | ((u8 *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) | |
4252 | * 4))); | |
4253 | } | |
4254 | ||
fcfe6392 | 4255 | pci_set_drvdata(ioc->pdev, ioc->shost); |
96b681c6 | 4256 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); |
635374e7 EM |
4257 | if (r) |
4258 | goto out_free_resources; | |
4259 | ||
96b681c6 | 4260 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
635374e7 EM |
4261 | if (r) |
4262 | goto out_free_resources; | |
4263 | ||
595bb0bd KD |
4264 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, |
4265 | sizeof(Mpi2PortFactsReply_t), GFP_KERNEL); | |
f6aee7b9 KD |
4266 | if (!ioc->pfacts) { |
4267 | r = -ENOMEM; | |
595bb0bd | 4268 | goto out_free_resources; |
f6aee7b9 | 4269 | } |
595bb0bd KD |
4270 | |
4271 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { | |
4272 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); | |
4273 | if (r) | |
4274 | goto out_free_resources; | |
4275 | } | |
4276 | ||
635374e7 EM |
4277 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); |
4278 | if (r) | |
4279 | goto out_free_resources; | |
4280 | ||
4281 | init_waitqueue_head(&ioc->reset_wq); | |
4282 | ||
f3eedd69 KD |
4283 | /* allocate memory pd handle bitmask list */ |
4284 | ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); | |
4285 | if (ioc->facts.MaxDevHandle % 8) | |
4286 | ioc->pd_handles_sz++; | |
4287 | ioc->pd_handles = kzalloc(ioc->pd_handles_sz, | |
4288 | GFP_KERNEL); | |
3e2e833a KD |
4289 | if (!ioc->pd_handles) { |
4290 | r = -ENOMEM; | |
f3eedd69 | 4291 | goto out_free_resources; |
3e2e833a | 4292 | } |
f3eedd69 | 4293 | |
e75b9b6d KD |
4294 | ioc->fwfault_debug = mpt2sas_fwfault_debug; |
4295 | ||
635374e7 EM |
4296 | /* base internal command bits */ |
4297 | mutex_init(&ioc->base_cmds.mutex); | |
635374e7 EM |
4298 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
4299 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
4300 | ||
921cd802 | 4301 | /* port_enable command bits */ |
4302 | ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4303 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; | |
4304 | ||
635374e7 EM |
4305 | /* transport internal command bits */ |
4306 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4307 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
4308 | mutex_init(&ioc->transport_cmds.mutex); | |
635374e7 | 4309 | |
d685c262 KD |
4310 | /* scsih internal command bits */ |
4311 | ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4312 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
4313 | mutex_init(&ioc->scsih_cmds.mutex); | |
4314 | ||
635374e7 EM |
4315 | /* task management internal command bits */ |
4316 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4317 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
4318 | mutex_init(&ioc->tm_cmds.mutex); | |
635374e7 EM |
4319 | |
4320 | /* config page internal command bits */ | |
4321 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4322 | ioc->config_cmds.status = MPT2_CMD_NOT_USED; | |
4323 | mutex_init(&ioc->config_cmds.mutex); | |
635374e7 EM |
4324 | |
4325 | /* ctl module internal command bits */ | |
4326 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
769578ff | 4327 | ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); |
635374e7 EM |
4328 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
4329 | mutex_init(&ioc->ctl_cmds.mutex); | |
635374e7 | 4330 | |
f6aee7b9 KD |
4331 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
4332 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
769578ff KD |
4333 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || |
4334 | !ioc->ctl_cmds.sense) { | |
f6aee7b9 KD |
4335 | r = -ENOMEM; |
4336 | goto out_free_resources; | |
4337 | } | |
4338 | ||
3e2e833a KD |
4339 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
4340 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
4341 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { | |
4342 | r = -ENOMEM; | |
4343 | goto out_free_resources; | |
4344 | } | |
4345 | ||
635374e7 EM |
4346 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
4347 | ioc->event_masks[i] = -1; | |
4348 | ||
4349 | /* here we enable the events we care about */ | |
4350 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); | |
4351 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); | |
4352 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); | |
4353 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
4354 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); | |
4355 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); | |
4356 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); | |
4357 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); | |
4358 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); | |
635374e7 | 4359 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); |
7b936b02 | 4360 | r = _base_make_ioc_operational(ioc, CAN_SLEEP); |
635374e7 EM |
4361 | if (r) |
4362 | goto out_free_resources; | |
4363 | ||
6cb8ef57 KD |
4364 | if (missing_delay[0] != -1 && missing_delay[1] != -1) |
4365 | _base_update_missing_delay(ioc, missing_delay[0], | |
4366 | missing_delay[1]); | |
4367 | ||
635374e7 EM |
4368 | return 0; |
4369 | ||
4370 | out_free_resources: | |
4371 | ||
4372 | ioc->remove_host = 1; | |
4373 | mpt2sas_base_free_resources(ioc); | |
4374 | _base_release_memory_pools(ioc); | |
fcfe6392 | 4375 | pci_set_drvdata(ioc->pdev, NULL); |
911ae943 | 4376 | kfree(ioc->cpu_msix_table); |
4377 | if (ioc->is_warpdrive) | |
4378 | kfree(ioc->reply_post_host_index); | |
f3eedd69 | 4379 | kfree(ioc->pd_handles); |
635374e7 EM |
4380 | kfree(ioc->tm_cmds.reply); |
4381 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 4382 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
4383 | kfree(ioc->config_cmds.reply); |
4384 | kfree(ioc->base_cmds.reply); | |
921cd802 | 4385 | kfree(ioc->port_enable_cmds.reply); |
635374e7 | 4386 | kfree(ioc->ctl_cmds.reply); |
769578ff | 4387 | kfree(ioc->ctl_cmds.sense); |
635374e7 EM |
4388 | kfree(ioc->pfacts); |
4389 | ioc->ctl_cmds.reply = NULL; | |
4390 | ioc->base_cmds.reply = NULL; | |
4391 | ioc->tm_cmds.reply = NULL; | |
e94f6747 | 4392 | ioc->scsih_cmds.reply = NULL; |
635374e7 EM |
4393 | ioc->transport_cmds.reply = NULL; |
4394 | ioc->config_cmds.reply = NULL; | |
4395 | ioc->pfacts = NULL; | |
4396 | return r; | |
4397 | } | |
4398 | ||
4399 | ||
4400 | /** | |
4401 | * mpt2sas_base_detach - remove controller instance | |
4402 | * @ioc: per adapter object | |
4403 | * | |
4404 | * Return nothing. | |
4405 | */ | |
4406 | void | |
4407 | mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) | |
4408 | { | |
635374e7 | 4409 | |
eabb08ad | 4410 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4411 | __func__)); |
4412 | ||
e4750c98 | 4413 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
4414 | mpt2sas_base_free_resources(ioc); |
4415 | _base_release_memory_pools(ioc); | |
fcfe6392 | 4416 | pci_set_drvdata(ioc->pdev, NULL); |
911ae943 | 4417 | kfree(ioc->cpu_msix_table); |
4418 | if (ioc->is_warpdrive) | |
4419 | kfree(ioc->reply_post_host_index); | |
f3eedd69 | 4420 | kfree(ioc->pd_handles); |
635374e7 EM |
4421 | kfree(ioc->pfacts); |
4422 | kfree(ioc->ctl_cmds.reply); | |
769578ff | 4423 | kfree(ioc->ctl_cmds.sense); |
635374e7 | 4424 | kfree(ioc->base_cmds.reply); |
921cd802 | 4425 | kfree(ioc->port_enable_cmds.reply); |
635374e7 EM |
4426 | kfree(ioc->tm_cmds.reply); |
4427 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 4428 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
4429 | kfree(ioc->config_cmds.reply); |
4430 | } | |
4431 | ||
4432 | /** | |
4433 | * _base_reset_handler - reset callback handler (for base) | |
4434 | * @ioc: per adapter object | |
4435 | * @reset_phase: phase | |
4436 | * | |
4437 | * The handler for doing any required cleanup or initialization. | |
4438 | * | |
4439 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
4440 | * MPT2_IOC_DONE_RESET | |
4441 | * | |
4442 | * Return nothing. | |
4443 | */ | |
4444 | static void | |
4445 | _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
4446 | { | |
4224489f KD |
4447 | mpt2sas_scsih_reset_handler(ioc, reset_phase); |
4448 | mpt2sas_ctl_reset_handler(ioc, reset_phase); | |
635374e7 EM |
4449 | switch (reset_phase) { |
4450 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 4451 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4452 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
4453 | break; | |
4454 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 4455 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4456 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
4457 | if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { | |
4458 | ioc->transport_cmds.status |= MPT2_CMD_RESET; | |
4459 | mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); | |
4460 | complete(&ioc->transport_cmds.done); | |
4461 | } | |
4462 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
4463 | ioc->base_cmds.status |= MPT2_CMD_RESET; | |
4464 | mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); | |
4465 | complete(&ioc->base_cmds.done); | |
4466 | } | |
921cd802 | 4467 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
4468 | ioc->port_enable_failed = 1; | |
4469 | ioc->port_enable_cmds.status |= MPT2_CMD_RESET; | |
4470 | mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); | |
4471 | if (ioc->is_driver_loading) { | |
4472 | ioc->start_scan_failed = | |
4473 | MPI2_IOCSTATUS_INTERNAL_ERROR; | |
4474 | ioc->start_scan = 0; | |
4475 | ioc->port_enable_cmds.status = | |
4476 | MPT2_CMD_NOT_USED; | |
4477 | } else | |
4478 | complete(&ioc->port_enable_cmds.done); | |
4479 | ||
4480 | } | |
635374e7 EM |
4481 | if (ioc->config_cmds.status & MPT2_CMD_PENDING) { |
4482 | ioc->config_cmds.status |= MPT2_CMD_RESET; | |
4483 | mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); | |
4be929be | 4484 | ioc->config_cmds.smid = USHRT_MAX; |
635374e7 EM |
4485 | complete(&ioc->config_cmds.done); |
4486 | } | |
4487 | break; | |
4488 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 4489 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4490 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
4491 | break; | |
4492 | } | |
635374e7 EM |
4493 | } |
4494 | ||
4495 | /** | |
4496 | * _wait_for_commands_to_complete - reset controller | |
4497 | * @ioc: Pointer to MPT_ADAPTER structure | |
4498 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4499 | * | |
4500 | * This function waiting(3s) for all pending commands to complete | |
4501 | * prior to putting controller in reset. | |
4502 | */ | |
4503 | static void | |
4504 | _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
4505 | { | |
4506 | u32 ioc_state; | |
4507 | unsigned long flags; | |
4508 | u16 i; | |
4509 | ||
4510 | ioc->pending_io_count = 0; | |
4511 | if (sleep_flag != CAN_SLEEP) | |
4512 | return; | |
4513 | ||
4514 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
4515 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) | |
4516 | return; | |
4517 | ||
4518 | /* pending command count */ | |
4519 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
595bb0bd | 4520 | for (i = 0; i < ioc->scsiio_depth; i++) |
635374e7 EM |
4521 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) |
4522 | ioc->pending_io_count++; | |
4523 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
4524 | ||
4525 | if (!ioc->pending_io_count) | |
4526 | return; | |
4527 | ||
4528 | /* wait for pending commands to complete */ | |
d274213a | 4529 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); |
635374e7 EM |
4530 | } |
4531 | ||
4532 | /** | |
4533 | * mpt2sas_base_hard_reset_handler - reset controller | |
4534 | * @ioc: Pointer to MPT_ADAPTER structure | |
4535 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4536 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
4537 | * | |
4538 | * Returns 0 for success, non-zero for failure. | |
4539 | */ | |
4540 | int | |
4541 | mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
4542 | enum reset_type type) | |
4543 | { | |
7b936b02 | 4544 | int r; |
635374e7 EM |
4545 | unsigned long flags; |
4546 | ||
eabb08ad | 4547 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
4548 | __func__)); |
4549 | ||
3cb5469a EM |
4550 | if (ioc->pci_error_recovery) { |
4551 | printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", | |
4552 | ioc->name, __func__); | |
4553 | r = 0; | |
7fbd7648 | 4554 | goto out_unlocked; |
3cb5469a EM |
4555 | } |
4556 | ||
fa7f3167 KD |
4557 | if (mpt2sas_fwfault_debug) |
4558 | mpt2sas_halt_firmware(ioc); | |
4559 | ||
d274213a KD |
4560 | /* TODO - What we really should be doing is pulling |
4561 | * out all the code associated with NO_SLEEP; its never used. | |
4562 | * That is legacy code from mpt fusion driver, ported over. | |
4563 | * I will leave this BUG_ON here for now till its been resolved. | |
4564 | */ | |
4565 | BUG_ON(sleep_flag == NO_SLEEP); | |
4566 | ||
4567 | /* wait for an active reset in progress to complete */ | |
4568 | if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { | |
4569 | do { | |
4570 | ssleep(1); | |
4571 | } while (ioc->shost_recovery == 1); | |
eabb08ad | 4572 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a KD |
4573 | __func__)); |
4574 | return ioc->ioc_reset_in_progress_status; | |
635374e7 | 4575 | } |
d274213a KD |
4576 | |
4577 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
635374e7 | 4578 | ioc->shost_recovery = 1; |
635374e7 EM |
4579 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
4580 | ||
4581 | _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); | |
4582 | _wait_for_commands_to_complete(ioc, sleep_flag); | |
4583 | _base_mask_interrupts(ioc); | |
4584 | r = _base_make_ioc_ready(ioc, sleep_flag, type); | |
4585 | if (r) | |
4586 | goto out; | |
4587 | _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); | |
4224489f KD |
4588 | |
4589 | /* If this hard reset is called while port enable is active, then | |
4590 | * there is no reason to call make_ioc_operational | |
4591 | */ | |
921cd802 | 4592 | if (ioc->is_driver_loading && ioc->port_enable_failed) { |
4593 | ioc->remove_host = 1; | |
4224489f KD |
4594 | r = -EFAULT; |
4595 | goto out; | |
4596 | } | |
7b936b02 | 4597 | r = _base_make_ioc_operational(ioc, sleep_flag); |
635374e7 EM |
4598 | if (!r) |
4599 | _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); | |
4600 | out: | |
eabb08ad | 4601 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", |
635374e7 EM |
4602 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); |
4603 | ||
4604 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
d274213a | 4605 | ioc->ioc_reset_in_progress_status = r; |
155dd4c7 | 4606 | ioc->shost_recovery = 0; |
635374e7 | 4607 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
d274213a | 4608 | mutex_unlock(&ioc->reset_in_progress_mutex); |
cd4e12e8 | 4609 | |
7fbd7648 | 4610 | out_unlocked: |
eabb08ad | 4611 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a | 4612 | __func__)); |
635374e7 EM |
4613 | return r; |
4614 | } |