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f92363d1 SR |
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/mpt3sas/mpt3sas_base.c | |
a4ffce0d | 6 | * Copyright (C) 2012-2014 LSI Corporation |
a03bd153 SR |
7 | * Copyright (C) 2013-2014 Avago Technologies |
8 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) | |
f92363d1 SR |
9 | * |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License | |
12 | * as published by the Free Software Foundation; either version 2 | |
13 | * of the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * NO WARRANTY | |
21 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
22 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
23 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
24 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
25 | * solely responsible for determining the appropriateness of using and | |
26 | * distributing the Program and assumes all risks associated with its | |
27 | * exercise of rights under this Agreement, including but not limited to | |
28 | * the risks and costs of program errors, damage to or loss of data, | |
29 | * programs or equipment, and unavailability or interruption of operations. | |
30 | ||
31 | * DISCLAIMER OF LIABILITY | |
32 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
33 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
34 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
35 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
36 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
37 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
38 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
39 | ||
40 | * You should have received a copy of the GNU General Public License | |
41 | * along with this program; if not, write to the Free Software | |
42 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
43 | * USA. | |
44 | */ | |
45 | ||
f92363d1 SR |
46 | #include <linux/kernel.h> |
47 | #include <linux/module.h> | |
48 | #include <linux/errno.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/slab.h> | |
51 | #include <linux/types.h> | |
52 | #include <linux/pci.h> | |
53 | #include <linux/kdev_t.h> | |
54 | #include <linux/blkdev.h> | |
55 | #include <linux/delay.h> | |
56 | #include <linux/interrupt.h> | |
57 | #include <linux/dma-mapping.h> | |
58 | #include <linux/io.h> | |
59 | #include <linux/time.h> | |
60 | #include <linux/kthread.h> | |
61 | #include <linux/aer.h> | |
62 | ||
63 | ||
64 | #include "mpt3sas_base.h" | |
65 | ||
66 | static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; | |
67 | ||
68 | ||
69 | #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ | |
70 | ||
71 | /* maximum controller queue depth */ | |
72 | #define MAX_HBA_QUEUE_DEPTH 30000 | |
73 | #define MAX_CHAIN_DEPTH 100000 | |
74 | static int max_queue_depth = -1; | |
75 | module_param(max_queue_depth, int, 0); | |
76 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); | |
77 | ||
78 | static int max_sgl_entries = -1; | |
79 | module_param(max_sgl_entries, int, 0); | |
80 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); | |
81 | ||
82 | static int msix_disable = -1; | |
83 | module_param(msix_disable, int, 0); | |
84 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); | |
85 | ||
64038301 SPS |
86 | static int smp_affinity_enable = 1; |
87 | module_param(smp_affinity_enable, int, S_IRUGO); | |
88 | MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disbale Default: enable(1)"); | |
89 | ||
fb77bb53 | 90 | static int max_msix_vectors = -1; |
9c500060 SR |
91 | module_param(max_msix_vectors, int, 0); |
92 | MODULE_PARM_DESC(max_msix_vectors, | |
fb77bb53 | 93 | " max msix vectors"); |
f92363d1 SR |
94 | |
95 | static int mpt3sas_fwfault_debug; | |
96 | MODULE_PARM_DESC(mpt3sas_fwfault_debug, | |
97 | " enable detection of firmware fault and halt firmware - (default=0)"); | |
98 | ||
9b05c91a SR |
99 | static int |
100 | _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc, int sleep_flag); | |
f92363d1 SR |
101 | |
102 | /** | |
103 | * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. | |
104 | * | |
105 | */ | |
106 | static int | |
107 | _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) | |
108 | { | |
109 | int ret = param_set_int(val, kp); | |
110 | struct MPT3SAS_ADAPTER *ioc; | |
111 | ||
112 | if (ret) | |
113 | return ret; | |
114 | ||
08c4d550 | 115 | /* global ioc spinlock to protect controller list on list operations */ |
f92363d1 | 116 | pr_info("setting fwfault_debug(%d)\n", mpt3sas_fwfault_debug); |
08c4d550 | 117 | spin_lock(&gioc_lock); |
f92363d1 SR |
118 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) |
119 | ioc->fwfault_debug = mpt3sas_fwfault_debug; | |
08c4d550 | 120 | spin_unlock(&gioc_lock); |
f92363d1 SR |
121 | return 0; |
122 | } | |
123 | module_param_call(mpt3sas_fwfault_debug, _scsih_set_fwfault_debug, | |
124 | param_get_int, &mpt3sas_fwfault_debug, 0644); | |
125 | ||
126 | /** | |
127 | * mpt3sas_remove_dead_ioc_func - kthread context to remove dead ioc | |
128 | * @arg: input argument, used to derive ioc | |
129 | * | |
130 | * Return 0 if controller is removed from pci subsystem. | |
131 | * Return -1 for other case. | |
132 | */ | |
133 | static int mpt3sas_remove_dead_ioc_func(void *arg) | |
134 | { | |
135 | struct MPT3SAS_ADAPTER *ioc = (struct MPT3SAS_ADAPTER *)arg; | |
136 | struct pci_dev *pdev; | |
137 | ||
138 | if ((ioc == NULL)) | |
139 | return -1; | |
140 | ||
141 | pdev = ioc->pdev; | |
142 | if ((pdev == NULL)) | |
143 | return -1; | |
64cdb418 | 144 | pci_stop_and_remove_bus_device_locked(pdev); |
f92363d1 SR |
145 | return 0; |
146 | } | |
147 | ||
148 | /** | |
149 | * _base_fault_reset_work - workq handling ioc fault conditions | |
150 | * @work: input argument, used to derive ioc | |
151 | * Context: sleep. | |
152 | * | |
153 | * Return nothing. | |
154 | */ | |
155 | static void | |
156 | _base_fault_reset_work(struct work_struct *work) | |
157 | { | |
158 | struct MPT3SAS_ADAPTER *ioc = | |
159 | container_of(work, struct MPT3SAS_ADAPTER, fault_reset_work.work); | |
160 | unsigned long flags; | |
161 | u32 doorbell; | |
162 | int rc; | |
163 | struct task_struct *p; | |
164 | ||
165 | ||
166 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
16e179bd | 167 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
f92363d1 SR |
168 | goto rearm_timer; |
169 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
170 | ||
171 | doorbell = mpt3sas_base_get_iocstate(ioc, 0); | |
172 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { | |
173 | pr_err(MPT3SAS_FMT "SAS host is non-operational !!!!\n", | |
174 | ioc->name); | |
175 | ||
16e179bd SR |
176 | /* It may be possible that EEH recovery can resolve some of |
177 | * pci bus failure issues rather removing the dead ioc function | |
178 | * by considering controller is in a non-operational state. So | |
179 | * here priority is given to the EEH recovery. If it doesn't | |
180 | * not resolve this issue, mpt3sas driver will consider this | |
181 | * controller to non-operational state and remove the dead ioc | |
182 | * function. | |
183 | */ | |
184 | if (ioc->non_operational_loop++ < 5) { | |
185 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, | |
186 | flags); | |
187 | goto rearm_timer; | |
188 | } | |
189 | ||
f92363d1 SR |
190 | /* |
191 | * Call _scsih_flush_pending_cmds callback so that we flush all | |
192 | * pending commands back to OS. This call is required to aovid | |
193 | * deadlock at block layer. Dead IOC will fail to do diag reset, | |
194 | * and this call is safe since dead ioc will never return any | |
195 | * command back from HW. | |
196 | */ | |
197 | ioc->schedule_dead_ioc_flush_running_cmds(ioc); | |
198 | /* | |
199 | * Set remove_host flag early since kernel thread will | |
200 | * take some time to execute. | |
201 | */ | |
202 | ioc->remove_host = 1; | |
203 | /*Remove the Dead Host */ | |
204 | p = kthread_run(mpt3sas_remove_dead_ioc_func, ioc, | |
c84b06a4 | 205 | "%s_dead_ioc_%d", ioc->driver_name, ioc->id); |
f92363d1 SR |
206 | if (IS_ERR(p)) |
207 | pr_err(MPT3SAS_FMT | |
208 | "%s: Running mpt3sas_dead_ioc thread failed !!!!\n", | |
209 | ioc->name, __func__); | |
210 | else | |
211 | pr_err(MPT3SAS_FMT | |
212 | "%s: Running mpt3sas_dead_ioc thread success !!!!\n", | |
213 | ioc->name, __func__); | |
214 | return; /* don't rearm timer */ | |
215 | } | |
216 | ||
16e179bd SR |
217 | ioc->non_operational_loop = 0; |
218 | ||
f92363d1 SR |
219 | if ((doorbell & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) { |
220 | rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
221 | FORCE_BIG_HAMMER); | |
222 | pr_warn(MPT3SAS_FMT "%s: hard reset: %s\n", ioc->name, | |
223 | __func__, (rc == 0) ? "success" : "failed"); | |
224 | doorbell = mpt3sas_base_get_iocstate(ioc, 0); | |
225 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
226 | mpt3sas_base_fault_info(ioc, doorbell & | |
227 | MPI2_DOORBELL_DATA_MASK); | |
228 | if (rc && (doorbell & MPI2_IOC_STATE_MASK) != | |
229 | MPI2_IOC_STATE_OPERATIONAL) | |
230 | return; /* don't rearm timer */ | |
231 | } | |
232 | ||
233 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
234 | rearm_timer: | |
235 | if (ioc->fault_reset_work_q) | |
236 | queue_delayed_work(ioc->fault_reset_work_q, | |
237 | &ioc->fault_reset_work, | |
238 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
239 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
240 | } | |
241 | ||
242 | /** | |
243 | * mpt3sas_base_start_watchdog - start the fault_reset_work_q | |
244 | * @ioc: per adapter object | |
245 | * Context: sleep. | |
246 | * | |
247 | * Return nothing. | |
248 | */ | |
249 | void | |
250 | mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc) | |
251 | { | |
252 | unsigned long flags; | |
253 | ||
254 | if (ioc->fault_reset_work_q) | |
255 | return; | |
256 | ||
257 | /* initialize fault polling */ | |
258 | ||
259 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); | |
260 | snprintf(ioc->fault_reset_work_q_name, | |
c84b06a4 SR |
261 | sizeof(ioc->fault_reset_work_q_name), "poll_%s%d_status", |
262 | ioc->driver_name, ioc->id); | |
f92363d1 SR |
263 | ioc->fault_reset_work_q = |
264 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); | |
265 | if (!ioc->fault_reset_work_q) { | |
266 | pr_err(MPT3SAS_FMT "%s: failed (line=%d)\n", | |
267 | ioc->name, __func__, __LINE__); | |
268 | return; | |
269 | } | |
270 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
271 | if (ioc->fault_reset_work_q) | |
272 | queue_delayed_work(ioc->fault_reset_work_q, | |
273 | &ioc->fault_reset_work, | |
274 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
275 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
276 | } | |
277 | ||
278 | /** | |
279 | * mpt3sas_base_stop_watchdog - stop the fault_reset_work_q | |
280 | * @ioc: per adapter object | |
281 | * Context: sleep. | |
282 | * | |
283 | * Return nothing. | |
284 | */ | |
285 | void | |
286 | mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc) | |
287 | { | |
288 | unsigned long flags; | |
289 | struct workqueue_struct *wq; | |
290 | ||
291 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
292 | wq = ioc->fault_reset_work_q; | |
293 | ioc->fault_reset_work_q = NULL; | |
294 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
295 | if (wq) { | |
4dc06fd8 | 296 | if (!cancel_delayed_work_sync(&ioc->fault_reset_work)) |
f92363d1 SR |
297 | flush_workqueue(wq); |
298 | destroy_workqueue(wq); | |
299 | } | |
300 | } | |
301 | ||
302 | /** | |
303 | * mpt3sas_base_fault_info - verbose translation of firmware FAULT code | |
304 | * @ioc: per adapter object | |
305 | * @fault_code: fault code | |
306 | * | |
307 | * Return nothing. | |
308 | */ | |
309 | void | |
310 | mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code) | |
311 | { | |
312 | pr_err(MPT3SAS_FMT "fault_state(0x%04x)!\n", | |
313 | ioc->name, fault_code); | |
314 | } | |
315 | ||
316 | /** | |
317 | * mpt3sas_halt_firmware - halt's mpt controller firmware | |
318 | * @ioc: per adapter object | |
319 | * | |
320 | * For debugging timeout related issues. Writing 0xCOFFEE00 | |
321 | * to the doorbell register will halt controller firmware. With | |
322 | * the purpose to stop both driver and firmware, the enduser can | |
323 | * obtain a ring buffer from controller UART. | |
324 | */ | |
325 | void | |
326 | mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc) | |
327 | { | |
328 | u32 doorbell; | |
329 | ||
330 | if (!ioc->fwfault_debug) | |
331 | return; | |
332 | ||
333 | dump_stack(); | |
334 | ||
335 | doorbell = readl(&ioc->chip->Doorbell); | |
336 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
337 | mpt3sas_base_fault_info(ioc , doorbell); | |
338 | else { | |
339 | writel(0xC0FFEE00, &ioc->chip->Doorbell); | |
340 | pr_err(MPT3SAS_FMT "Firmware is halted due to command timeout\n", | |
341 | ioc->name); | |
342 | } | |
343 | ||
344 | if (ioc->fwfault_debug == 2) | |
345 | for (;;) | |
346 | ; | |
347 | else | |
348 | panic("panic in %s\n", __func__); | |
349 | } | |
350 | ||
f92363d1 SR |
351 | /** |
352 | * _base_sas_ioc_info - verbose translation of the ioc status | |
353 | * @ioc: per adapter object | |
354 | * @mpi_reply: reply mf payload returned from firmware | |
355 | * @request_hdr: request mf | |
356 | * | |
357 | * Return nothing. | |
358 | */ | |
359 | static void | |
360 | _base_sas_ioc_info(struct MPT3SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, | |
361 | MPI2RequestHeader_t *request_hdr) | |
362 | { | |
363 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
364 | MPI2_IOCSTATUS_MASK; | |
365 | char *desc = NULL; | |
366 | u16 frame_sz; | |
367 | char *func_str = NULL; | |
368 | ||
369 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ | |
370 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
371 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
372 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) | |
373 | return; | |
374 | ||
375 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
376 | return; | |
377 | ||
378 | switch (ioc_status) { | |
379 | ||
380 | /**************************************************************************** | |
381 | * Common IOCStatus values for all replies | |
382 | ****************************************************************************/ | |
383 | ||
384 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
385 | desc = "invalid function"; | |
386 | break; | |
387 | case MPI2_IOCSTATUS_BUSY: | |
388 | desc = "busy"; | |
389 | break; | |
390 | case MPI2_IOCSTATUS_INVALID_SGL: | |
391 | desc = "invalid sgl"; | |
392 | break; | |
393 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
394 | desc = "internal error"; | |
395 | break; | |
396 | case MPI2_IOCSTATUS_INVALID_VPID: | |
397 | desc = "invalid vpid"; | |
398 | break; | |
399 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
400 | desc = "insufficient resources"; | |
401 | break; | |
b130b0d5 SS |
402 | case MPI2_IOCSTATUS_INSUFFICIENT_POWER: |
403 | desc = "insufficient power"; | |
404 | break; | |
f92363d1 SR |
405 | case MPI2_IOCSTATUS_INVALID_FIELD: |
406 | desc = "invalid field"; | |
407 | break; | |
408 | case MPI2_IOCSTATUS_INVALID_STATE: | |
409 | desc = "invalid state"; | |
410 | break; | |
411 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: | |
412 | desc = "op state not supported"; | |
413 | break; | |
414 | ||
415 | /**************************************************************************** | |
416 | * Config IOCStatus values | |
417 | ****************************************************************************/ | |
418 | ||
419 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: | |
420 | desc = "config invalid action"; | |
421 | break; | |
422 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: | |
423 | desc = "config invalid type"; | |
424 | break; | |
425 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: | |
426 | desc = "config invalid page"; | |
427 | break; | |
428 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: | |
429 | desc = "config invalid data"; | |
430 | break; | |
431 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: | |
432 | desc = "config no defaults"; | |
433 | break; | |
434 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: | |
435 | desc = "config cant commit"; | |
436 | break; | |
437 | ||
438 | /**************************************************************************** | |
439 | * SCSI IO Reply | |
440 | ****************************************************************************/ | |
441 | ||
442 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
443 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
444 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
445 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
446 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
447 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
448 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
449 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
450 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
451 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
452 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
453 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
454 | break; | |
455 | ||
456 | /**************************************************************************** | |
457 | * For use by SCSI Initiator and SCSI Target end-to-end data protection | |
458 | ****************************************************************************/ | |
459 | ||
460 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
461 | desc = "eedp guard error"; | |
462 | break; | |
463 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
464 | desc = "eedp ref tag error"; | |
465 | break; | |
466 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
467 | desc = "eedp app tag error"; | |
468 | break; | |
469 | ||
470 | /**************************************************************************** | |
471 | * SCSI Target values | |
472 | ****************************************************************************/ | |
473 | ||
474 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: | |
475 | desc = "target invalid io index"; | |
476 | break; | |
477 | case MPI2_IOCSTATUS_TARGET_ABORTED: | |
478 | desc = "target aborted"; | |
479 | break; | |
480 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: | |
481 | desc = "target no conn retryable"; | |
482 | break; | |
483 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: | |
484 | desc = "target no connection"; | |
485 | break; | |
486 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: | |
487 | desc = "target xfer count mismatch"; | |
488 | break; | |
489 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: | |
490 | desc = "target data offset error"; | |
491 | break; | |
492 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: | |
493 | desc = "target too much write data"; | |
494 | break; | |
495 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: | |
496 | desc = "target iu too short"; | |
497 | break; | |
498 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: | |
499 | desc = "target ack nak timeout"; | |
500 | break; | |
501 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: | |
502 | desc = "target nak received"; | |
503 | break; | |
504 | ||
505 | /**************************************************************************** | |
506 | * Serial Attached SCSI values | |
507 | ****************************************************************************/ | |
508 | ||
509 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: | |
510 | desc = "smp request failed"; | |
511 | break; | |
512 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: | |
513 | desc = "smp data overrun"; | |
514 | break; | |
515 | ||
516 | /**************************************************************************** | |
517 | * Diagnostic Buffer Post / Diagnostic Release values | |
518 | ****************************************************************************/ | |
519 | ||
520 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: | |
521 | desc = "diagnostic released"; | |
522 | break; | |
523 | default: | |
524 | break; | |
525 | } | |
526 | ||
527 | if (!desc) | |
528 | return; | |
529 | ||
530 | switch (request_hdr->Function) { | |
531 | case MPI2_FUNCTION_CONFIG: | |
532 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; | |
533 | func_str = "config_page"; | |
534 | break; | |
535 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
536 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); | |
537 | func_str = "task_mgmt"; | |
538 | break; | |
539 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
540 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); | |
541 | func_str = "sas_iounit_ctl"; | |
542 | break; | |
543 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
544 | frame_sz = sizeof(Mpi2SepRequest_t); | |
545 | func_str = "enclosure"; | |
546 | break; | |
547 | case MPI2_FUNCTION_IOC_INIT: | |
548 | frame_sz = sizeof(Mpi2IOCInitRequest_t); | |
549 | func_str = "ioc_init"; | |
550 | break; | |
551 | case MPI2_FUNCTION_PORT_ENABLE: | |
552 | frame_sz = sizeof(Mpi2PortEnableRequest_t); | |
553 | func_str = "port_enable"; | |
554 | break; | |
555 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
556 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; | |
557 | func_str = "smp_passthru"; | |
558 | break; | |
559 | default: | |
560 | frame_sz = 32; | |
561 | func_str = "unknown"; | |
562 | break; | |
563 | } | |
564 | ||
565 | pr_warn(MPT3SAS_FMT "ioc_status: %s(0x%04x), request(0x%p),(%s)\n", | |
566 | ioc->name, desc, ioc_status, request_hdr, func_str); | |
567 | ||
568 | _debug_dump_mf(request_hdr, frame_sz/4); | |
569 | } | |
570 | ||
571 | /** | |
572 | * _base_display_event_data - verbose translation of firmware asyn events | |
573 | * @ioc: per adapter object | |
574 | * @mpi_reply: reply mf payload returned from firmware | |
575 | * | |
576 | * Return nothing. | |
577 | */ | |
578 | static void | |
579 | _base_display_event_data(struct MPT3SAS_ADAPTER *ioc, | |
580 | Mpi2EventNotificationReply_t *mpi_reply) | |
581 | { | |
582 | char *desc = NULL; | |
583 | u16 event; | |
584 | ||
585 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) | |
586 | return; | |
587 | ||
588 | event = le16_to_cpu(mpi_reply->Event); | |
589 | ||
590 | switch (event) { | |
591 | case MPI2_EVENT_LOG_DATA: | |
592 | desc = "Log Data"; | |
593 | break; | |
594 | case MPI2_EVENT_STATE_CHANGE: | |
595 | desc = "Status Change"; | |
596 | break; | |
597 | case MPI2_EVENT_HARD_RESET_RECEIVED: | |
598 | desc = "Hard Reset Received"; | |
599 | break; | |
600 | case MPI2_EVENT_EVENT_CHANGE: | |
601 | desc = "Event Change"; | |
602 | break; | |
603 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
604 | desc = "Device Status Change"; | |
605 | break; | |
606 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7786ab6a SR |
607 | if (!ioc->hide_ir_msg) |
608 | desc = "IR Operation Status"; | |
f92363d1 SR |
609 | break; |
610 | case MPI2_EVENT_SAS_DISCOVERY: | |
611 | { | |
612 | Mpi2EventDataSasDiscovery_t *event_data = | |
613 | (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; | |
614 | pr_info(MPT3SAS_FMT "Discovery: (%s)", ioc->name, | |
615 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
616 | "start" : "stop"); | |
617 | if (event_data->DiscoveryStatus) | |
618 | pr_info("discovery_status(0x%08x)", | |
619 | le32_to_cpu(event_data->DiscoveryStatus)); | |
620 | pr_info("\n"); | |
621 | return; | |
622 | } | |
623 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
624 | desc = "SAS Broadcast Primitive"; | |
625 | break; | |
626 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: | |
627 | desc = "SAS Init Device Status Change"; | |
628 | break; | |
629 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: | |
630 | desc = "SAS Init Table Overflow"; | |
631 | break; | |
632 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
633 | desc = "SAS Topology Change List"; | |
634 | break; | |
635 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
636 | desc = "SAS Enclosure Device Status Change"; | |
637 | break; | |
638 | case MPI2_EVENT_IR_VOLUME: | |
7786ab6a SR |
639 | if (!ioc->hide_ir_msg) |
640 | desc = "IR Volume"; | |
f92363d1 SR |
641 | break; |
642 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7786ab6a SR |
643 | if (!ioc->hide_ir_msg) |
644 | desc = "IR Physical Disk"; | |
f92363d1 SR |
645 | break; |
646 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7786ab6a SR |
647 | if (!ioc->hide_ir_msg) |
648 | desc = "IR Configuration Change List"; | |
f92363d1 SR |
649 | break; |
650 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
7786ab6a SR |
651 | if (!ioc->hide_ir_msg) |
652 | desc = "Log Entry Added"; | |
f92363d1 | 653 | break; |
2d8ce8c9 SR |
654 | case MPI2_EVENT_TEMP_THRESHOLD: |
655 | desc = "Temperature Threshold"; | |
656 | break; | |
f92363d1 SR |
657 | } |
658 | ||
659 | if (!desc) | |
660 | return; | |
661 | ||
662 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, desc); | |
663 | } | |
f92363d1 SR |
664 | |
665 | /** | |
666 | * _base_sas_log_info - verbose translation of firmware log info | |
667 | * @ioc: per adapter object | |
668 | * @log_info: log info | |
669 | * | |
670 | * Return nothing. | |
671 | */ | |
672 | static void | |
673 | _base_sas_log_info(struct MPT3SAS_ADAPTER *ioc , u32 log_info) | |
674 | { | |
675 | union loginfo_type { | |
676 | u32 loginfo; | |
677 | struct { | |
678 | u32 subcode:16; | |
679 | u32 code:8; | |
680 | u32 originator:4; | |
681 | u32 bus_type:4; | |
682 | } dw; | |
683 | }; | |
684 | union loginfo_type sas_loginfo; | |
685 | char *originator_str = NULL; | |
686 | ||
687 | sas_loginfo.loginfo = log_info; | |
688 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) | |
689 | return; | |
690 | ||
691 | /* each nexus loss loginfo */ | |
692 | if (log_info == 0x31170000) | |
693 | return; | |
694 | ||
695 | /* eat the loginfos associated with task aborts */ | |
696 | if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == | |
697 | 0x31140000 || log_info == 0x31130000)) | |
698 | return; | |
699 | ||
700 | switch (sas_loginfo.dw.originator) { | |
701 | case 0: | |
702 | originator_str = "IOP"; | |
703 | break; | |
704 | case 1: | |
705 | originator_str = "PL"; | |
706 | break; | |
707 | case 2: | |
7786ab6a SR |
708 | if (!ioc->hide_ir_msg) |
709 | originator_str = "IR"; | |
710 | else | |
711 | originator_str = "WarpDrive"; | |
f92363d1 SR |
712 | break; |
713 | } | |
714 | ||
715 | pr_warn(MPT3SAS_FMT | |
716 | "log_info(0x%08x): originator(%s), code(0x%02x), sub_code(0x%04x)\n", | |
717 | ioc->name, log_info, | |
718 | originator_str, sas_loginfo.dw.code, | |
719 | sas_loginfo.dw.subcode); | |
720 | } | |
721 | ||
722 | /** | |
723 | * _base_display_reply_info - | |
724 | * @ioc: per adapter object | |
725 | * @smid: system request message index | |
726 | * @msix_index: MSIX table index supplied by the OS | |
727 | * @reply: reply message frame(lower 32bit addr) | |
728 | * | |
729 | * Return nothing. | |
730 | */ | |
731 | static void | |
732 | _base_display_reply_info(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
733 | u32 reply) | |
734 | { | |
735 | MPI2DefaultReply_t *mpi_reply; | |
736 | u16 ioc_status; | |
737 | u32 loginfo = 0; | |
738 | ||
739 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
740 | if (unlikely(!mpi_reply)) { | |
741 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", | |
742 | ioc->name, __FILE__, __LINE__, __func__); | |
743 | return; | |
744 | } | |
745 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
af009411 | 746 | |
f92363d1 SR |
747 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && |
748 | (ioc->logging_level & MPT_DEBUG_REPLY)) { | |
749 | _base_sas_ioc_info(ioc , mpi_reply, | |
750 | mpt3sas_base_get_msg_frame(ioc, smid)); | |
751 | } | |
af009411 | 752 | |
f92363d1 SR |
753 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { |
754 | loginfo = le32_to_cpu(mpi_reply->IOCLogInfo); | |
755 | _base_sas_log_info(ioc, loginfo); | |
756 | } | |
757 | ||
758 | if (ioc_status || loginfo) { | |
759 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
760 | mpt3sas_trigger_mpi(ioc, ioc_status, loginfo); | |
761 | } | |
762 | } | |
763 | ||
764 | /** | |
765 | * mpt3sas_base_done - base internal command completion routine | |
766 | * @ioc: per adapter object | |
767 | * @smid: system request message index | |
768 | * @msix_index: MSIX table index supplied by the OS | |
769 | * @reply: reply message frame(lower 32bit addr) | |
770 | * | |
771 | * Return 1 meaning mf should be freed from _base_interrupt | |
772 | * 0 means the mf is freed from this function. | |
773 | */ | |
774 | u8 | |
775 | mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
776 | u32 reply) | |
777 | { | |
778 | MPI2DefaultReply_t *mpi_reply; | |
779 | ||
780 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
781 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
fd0331b3 | 782 | return mpt3sas_check_for_pending_internal_cmds(ioc, smid); |
f92363d1 SR |
783 | |
784 | if (ioc->base_cmds.status == MPT3_CMD_NOT_USED) | |
785 | return 1; | |
786 | ||
787 | ioc->base_cmds.status |= MPT3_CMD_COMPLETE; | |
788 | if (mpi_reply) { | |
789 | ioc->base_cmds.status |= MPT3_CMD_REPLY_VALID; | |
790 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
791 | } | |
792 | ioc->base_cmds.status &= ~MPT3_CMD_PENDING; | |
793 | ||
794 | complete(&ioc->base_cmds.done); | |
795 | return 1; | |
796 | } | |
797 | ||
798 | /** | |
799 | * _base_async_event - main callback handler for firmware asyn events | |
800 | * @ioc: per adapter object | |
801 | * @msix_index: MSIX table index supplied by the OS | |
802 | * @reply: reply message frame(lower 32bit addr) | |
803 | * | |
804 | * Return 1 meaning mf should be freed from _base_interrupt | |
805 | * 0 means the mf is freed from this function. | |
806 | */ | |
807 | static u8 | |
808 | _base_async_event(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, u32 reply) | |
809 | { | |
810 | Mpi2EventNotificationReply_t *mpi_reply; | |
811 | Mpi2EventAckRequest_t *ack_request; | |
812 | u16 smid; | |
fd0331b3 | 813 | struct _event_ack_list *delayed_event_ack; |
f92363d1 SR |
814 | |
815 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
816 | if (!mpi_reply) | |
817 | return 1; | |
818 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) | |
819 | return 1; | |
af009411 | 820 | |
f92363d1 | 821 | _base_display_event_data(ioc, mpi_reply); |
af009411 | 822 | |
f92363d1 SR |
823 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) |
824 | goto out; | |
825 | smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx); | |
826 | if (!smid) { | |
fd0331b3 SS |
827 | delayed_event_ack = kzalloc(sizeof(*delayed_event_ack), |
828 | GFP_ATOMIC); | |
829 | if (!delayed_event_ack) | |
830 | goto out; | |
831 | INIT_LIST_HEAD(&delayed_event_ack->list); | |
832 | delayed_event_ack->Event = mpi_reply->Event; | |
833 | delayed_event_ack->EventContext = mpi_reply->EventContext; | |
834 | list_add_tail(&delayed_event_ack->list, | |
835 | &ioc->delayed_event_ack_list); | |
836 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
837 | "DELAYED: EVENT ACK: event (0x%04x)\n", | |
838 | ioc->name, le16_to_cpu(mpi_reply->Event))); | |
f92363d1 SR |
839 | goto out; |
840 | } | |
841 | ||
842 | ack_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
843 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
844 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
845 | ack_request->Event = mpi_reply->Event; | |
846 | ack_request->EventContext = mpi_reply->EventContext; | |
847 | ack_request->VF_ID = 0; /* TODO */ | |
848 | ack_request->VP_ID = 0; | |
849 | mpt3sas_base_put_smid_default(ioc, smid); | |
850 | ||
851 | out: | |
852 | ||
853 | /* scsih callback handler */ | |
854 | mpt3sas_scsih_event_callback(ioc, msix_index, reply); | |
855 | ||
856 | /* ctl callback handler */ | |
857 | mpt3sas_ctl_event_callback(ioc, msix_index, reply); | |
858 | ||
859 | return 1; | |
860 | } | |
861 | ||
862 | /** | |
863 | * _base_get_cb_idx - obtain the callback index | |
864 | * @ioc: per adapter object | |
865 | * @smid: system request message index | |
866 | * | |
867 | * Return callback index. | |
868 | */ | |
869 | static u8 | |
870 | _base_get_cb_idx(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
871 | { | |
872 | int i; | |
873 | u8 cb_idx; | |
874 | ||
875 | if (smid < ioc->hi_priority_smid) { | |
876 | i = smid - 1; | |
877 | cb_idx = ioc->scsi_lookup[i].cb_idx; | |
878 | } else if (smid < ioc->internal_smid) { | |
879 | i = smid - ioc->hi_priority_smid; | |
880 | cb_idx = ioc->hpr_lookup[i].cb_idx; | |
881 | } else if (smid <= ioc->hba_queue_depth) { | |
882 | i = smid - ioc->internal_smid; | |
883 | cb_idx = ioc->internal_lookup[i].cb_idx; | |
884 | } else | |
885 | cb_idx = 0xFF; | |
886 | return cb_idx; | |
887 | } | |
888 | ||
889 | /** | |
890 | * _base_mask_interrupts - disable interrupts | |
891 | * @ioc: per adapter object | |
892 | * | |
893 | * Disabling ResetIRQ, Reply and Doorbell Interrupts | |
894 | * | |
895 | * Return nothing. | |
896 | */ | |
897 | static void | |
898 | _base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc) | |
899 | { | |
900 | u32 him_register; | |
901 | ||
902 | ioc->mask_interrupts = 1; | |
903 | him_register = readl(&ioc->chip->HostInterruptMask); | |
904 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; | |
905 | writel(him_register, &ioc->chip->HostInterruptMask); | |
906 | readl(&ioc->chip->HostInterruptMask); | |
907 | } | |
908 | ||
909 | /** | |
910 | * _base_unmask_interrupts - enable interrupts | |
911 | * @ioc: per adapter object | |
912 | * | |
913 | * Enabling only Reply Interrupts | |
914 | * | |
915 | * Return nothing. | |
916 | */ | |
917 | static void | |
918 | _base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc) | |
919 | { | |
920 | u32 him_register; | |
921 | ||
922 | him_register = readl(&ioc->chip->HostInterruptMask); | |
923 | him_register &= ~MPI2_HIM_RIM; | |
924 | writel(him_register, &ioc->chip->HostInterruptMask); | |
925 | ioc->mask_interrupts = 0; | |
926 | } | |
927 | ||
928 | union reply_descriptor { | |
929 | u64 word; | |
930 | struct { | |
931 | u32 low; | |
932 | u32 high; | |
933 | } u; | |
934 | }; | |
935 | ||
936 | /** | |
937 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. | |
938 | * @irq: irq number (not used) | |
939 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure | |
940 | * @r: pt_regs pointer (not used) | |
941 | * | |
942 | * Return IRQ_HANDLE if processed, else IRQ_NONE. | |
943 | */ | |
944 | static irqreturn_t | |
945 | _base_interrupt(int irq, void *bus_id) | |
946 | { | |
947 | struct adapter_reply_queue *reply_q = bus_id; | |
948 | union reply_descriptor rd; | |
949 | u32 completed_cmds; | |
950 | u8 request_desript_type; | |
951 | u16 smid; | |
952 | u8 cb_idx; | |
953 | u32 reply; | |
954 | u8 msix_index = reply_q->msix_index; | |
955 | struct MPT3SAS_ADAPTER *ioc = reply_q->ioc; | |
956 | Mpi2ReplyDescriptorsUnion_t *rpf; | |
957 | u8 rc; | |
958 | ||
959 | if (ioc->mask_interrupts) | |
960 | return IRQ_NONE; | |
961 | ||
962 | if (!atomic_add_unless(&reply_q->busy, 1, 1)) | |
963 | return IRQ_NONE; | |
964 | ||
965 | rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; | |
966 | request_desript_type = rpf->Default.ReplyFlags | |
967 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
968 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { | |
969 | atomic_dec(&reply_q->busy); | |
970 | return IRQ_NONE; | |
971 | } | |
972 | ||
973 | completed_cmds = 0; | |
974 | cb_idx = 0xFF; | |
975 | do { | |
976 | rd.word = le64_to_cpu(rpf->Words); | |
977 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) | |
978 | goto out; | |
979 | reply = 0; | |
980 | smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); | |
981 | if (request_desript_type == | |
982 | MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS || | |
983 | request_desript_type == | |
984 | MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) { | |
985 | cb_idx = _base_get_cb_idx(ioc, smid); | |
986 | if ((likely(cb_idx < MPT_MAX_CALLBACKS)) && | |
987 | (likely(mpt_callbacks[cb_idx] != NULL))) { | |
988 | rc = mpt_callbacks[cb_idx](ioc, smid, | |
989 | msix_index, 0); | |
990 | if (rc) | |
991 | mpt3sas_base_free_smid(ioc, smid); | |
992 | } | |
993 | } else if (request_desript_type == | |
994 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { | |
995 | reply = le32_to_cpu( | |
996 | rpf->AddressReply.ReplyFrameAddress); | |
997 | if (reply > ioc->reply_dma_max_address || | |
998 | reply < ioc->reply_dma_min_address) | |
999 | reply = 0; | |
1000 | if (smid) { | |
1001 | cb_idx = _base_get_cb_idx(ioc, smid); | |
1002 | if ((likely(cb_idx < MPT_MAX_CALLBACKS)) && | |
1003 | (likely(mpt_callbacks[cb_idx] != NULL))) { | |
1004 | rc = mpt_callbacks[cb_idx](ioc, smid, | |
1005 | msix_index, reply); | |
1006 | if (reply) | |
1007 | _base_display_reply_info(ioc, | |
1008 | smid, msix_index, reply); | |
1009 | if (rc) | |
1010 | mpt3sas_base_free_smid(ioc, | |
1011 | smid); | |
1012 | } | |
1013 | } else { | |
1014 | _base_async_event(ioc, msix_index, reply); | |
1015 | } | |
1016 | ||
1017 | /* reply free queue handling */ | |
1018 | if (reply) { | |
1019 | ioc->reply_free_host_index = | |
1020 | (ioc->reply_free_host_index == | |
1021 | (ioc->reply_free_queue_depth - 1)) ? | |
1022 | 0 : ioc->reply_free_host_index + 1; | |
1023 | ioc->reply_free[ioc->reply_free_host_index] = | |
1024 | cpu_to_le32(reply); | |
1025 | wmb(); | |
1026 | writel(ioc->reply_free_host_index, | |
1027 | &ioc->chip->ReplyFreeHostIndex); | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | rpf->Words = cpu_to_le64(ULLONG_MAX); | |
1032 | reply_q->reply_post_host_index = | |
1033 | (reply_q->reply_post_host_index == | |
1034 | (ioc->reply_post_queue_depth - 1)) ? 0 : | |
1035 | reply_q->reply_post_host_index + 1; | |
1036 | request_desript_type = | |
1037 | reply_q->reply_post_free[reply_q->reply_post_host_index]. | |
1038 | Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
1039 | completed_cmds++; | |
1040 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
1041 | goto out; | |
1042 | if (!reply_q->reply_post_host_index) | |
1043 | rpf = reply_q->reply_post_free; | |
1044 | else | |
1045 | rpf++; | |
1046 | } while (1); | |
1047 | ||
1048 | out: | |
1049 | ||
1050 | if (!completed_cmds) { | |
1051 | atomic_dec(&reply_q->busy); | |
1052 | return IRQ_NONE; | |
1053 | } | |
1054 | ||
1055 | wmb(); | |
7786ab6a SR |
1056 | if (ioc->is_warpdrive) { |
1057 | writel(reply_q->reply_post_host_index, | |
1058 | ioc->reply_post_host_index[msix_index]); | |
1059 | atomic_dec(&reply_q->busy); | |
1060 | return IRQ_HANDLED; | |
1061 | } | |
fb77bb53 SR |
1062 | |
1063 | /* Update Reply Post Host Index. | |
1064 | * For those HBA's which support combined reply queue feature | |
1065 | * 1. Get the correct Supplemental Reply Post Host Index Register. | |
1066 | * i.e. (msix_index / 8)th entry from Supplemental Reply Post Host | |
1067 | * Index Register address bank i.e replyPostRegisterIndex[], | |
1068 | * 2. Then update this register with new reply host index value | |
1069 | * in ReplyPostIndex field and the MSIxIndex field with | |
1070 | * msix_index value reduced to a value between 0 and 7, | |
1071 | * using a modulo 8 operation. Since each Supplemental Reply Post | |
1072 | * Host Index Register supports 8 MSI-X vectors. | |
1073 | * | |
1074 | * For other HBA's just update the Reply Post Host Index register with | |
1075 | * new reply host index value in ReplyPostIndex Field and msix_index | |
1076 | * value in MSIxIndex field. | |
1077 | */ | |
1078 | if (ioc->msix96_vector) | |
1079 | writel(reply_q->reply_post_host_index | ((msix_index & 7) << | |
1080 | MPI2_RPHI_MSIX_INDEX_SHIFT), | |
1081 | ioc->replyPostRegisterIndex[msix_index/8]); | |
1082 | else | |
1083 | writel(reply_q->reply_post_host_index | (msix_index << | |
1084 | MPI2_RPHI_MSIX_INDEX_SHIFT), | |
1085 | &ioc->chip->ReplyPostHostIndex); | |
f92363d1 SR |
1086 | atomic_dec(&reply_q->busy); |
1087 | return IRQ_HANDLED; | |
1088 | } | |
1089 | ||
1090 | /** | |
1091 | * _base_is_controller_msix_enabled - is controller support muli-reply queues | |
1092 | * @ioc: per adapter object | |
1093 | * | |
1094 | */ | |
1095 | static inline int | |
1096 | _base_is_controller_msix_enabled(struct MPT3SAS_ADAPTER *ioc) | |
1097 | { | |
1098 | return (ioc->facts.IOCCapabilities & | |
1099 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; | |
1100 | } | |
1101 | ||
1102 | /** | |
1103 | * mpt3sas_base_flush_reply_queues - flushing the MSIX reply queues | |
1104 | * @ioc: per adapter object | |
1105 | * Context: ISR conext | |
1106 | * | |
1107 | * Called when a Task Management request has completed. We want | |
1108 | * to flush the other reply queues so all the outstanding IO has been | |
1109 | * completed back to OS before we process the TM completetion. | |
1110 | * | |
1111 | * Return nothing. | |
1112 | */ | |
1113 | void | |
1114 | mpt3sas_base_flush_reply_queues(struct MPT3SAS_ADAPTER *ioc) | |
1115 | { | |
1116 | struct adapter_reply_queue *reply_q; | |
1117 | ||
1118 | /* If MSIX capability is turned off | |
1119 | * then multi-queues are not enabled | |
1120 | */ | |
1121 | if (!_base_is_controller_msix_enabled(ioc)) | |
1122 | return; | |
1123 | ||
1124 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
1125 | if (ioc->shost_recovery) | |
1126 | return; | |
1127 | /* TMs are on msix_index == 0 */ | |
1128 | if (reply_q->msix_index == 0) | |
1129 | continue; | |
1130 | _base_interrupt(reply_q->vector, (void *)reply_q); | |
1131 | } | |
1132 | } | |
1133 | ||
1134 | /** | |
1135 | * mpt3sas_base_release_callback_handler - clear interrupt callback handler | |
1136 | * @cb_idx: callback index | |
1137 | * | |
1138 | * Return nothing. | |
1139 | */ | |
1140 | void | |
1141 | mpt3sas_base_release_callback_handler(u8 cb_idx) | |
1142 | { | |
1143 | mpt_callbacks[cb_idx] = NULL; | |
1144 | } | |
1145 | ||
1146 | /** | |
1147 | * mpt3sas_base_register_callback_handler - obtain index for the interrupt callback handler | |
1148 | * @cb_func: callback function | |
1149 | * | |
1150 | * Returns cb_func. | |
1151 | */ | |
1152 | u8 | |
1153 | mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func) | |
1154 | { | |
1155 | u8 cb_idx; | |
1156 | ||
1157 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) | |
1158 | if (mpt_callbacks[cb_idx] == NULL) | |
1159 | break; | |
1160 | ||
1161 | mpt_callbacks[cb_idx] = cb_func; | |
1162 | return cb_idx; | |
1163 | } | |
1164 | ||
1165 | /** | |
1166 | * mpt3sas_base_initialize_callback_handler - initialize the interrupt callback handler | |
1167 | * | |
1168 | * Return nothing. | |
1169 | */ | |
1170 | void | |
1171 | mpt3sas_base_initialize_callback_handler(void) | |
1172 | { | |
1173 | u8 cb_idx; | |
1174 | ||
1175 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) | |
1176 | mpt3sas_base_release_callback_handler(cb_idx); | |
1177 | } | |
1178 | ||
1179 | ||
1180 | /** | |
1181 | * _base_build_zero_len_sge - build zero length sg entry | |
1182 | * @ioc: per adapter object | |
1183 | * @paddr: virtual address for SGE | |
1184 | * | |
1185 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
1186 | * something to use if the target device goes brain dead and tries | |
1187 | * to send data even when none is asked for. | |
1188 | * | |
1189 | * Return nothing. | |
1190 | */ | |
1191 | static void | |
1192 | _base_build_zero_len_sge(struct MPT3SAS_ADAPTER *ioc, void *paddr) | |
1193 | { | |
1194 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1195 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | | |
1196 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << | |
1197 | MPI2_SGE_FLAGS_SHIFT); | |
1198 | ioc->base_add_sg_single(paddr, flags_length, -1); | |
1199 | } | |
1200 | ||
1201 | /** | |
1202 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. | |
1203 | * @paddr: virtual address for SGE | |
1204 | * @flags_length: SGE flags and data transfer length | |
1205 | * @dma_addr: Physical address | |
1206 | * | |
1207 | * Return nothing. | |
1208 | */ | |
1209 | static void | |
1210 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1211 | { | |
1212 | Mpi2SGESimple32_t *sgel = paddr; | |
1213 | ||
1214 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | | |
1215 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1216 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1217 | sgel->Address = cpu_to_le32(dma_addr); | |
1218 | } | |
1219 | ||
1220 | ||
1221 | /** | |
1222 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. | |
1223 | * @paddr: virtual address for SGE | |
1224 | * @flags_length: SGE flags and data transfer length | |
1225 | * @dma_addr: Physical address | |
1226 | * | |
1227 | * Return nothing. | |
1228 | */ | |
1229 | static void | |
1230 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1231 | { | |
1232 | Mpi2SGESimple64_t *sgel = paddr; | |
1233 | ||
1234 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | | |
1235 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1236 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1237 | sgel->Address = cpu_to_le64(dma_addr); | |
1238 | } | |
1239 | ||
1240 | /** | |
1241 | * _base_get_chain_buffer_tracker - obtain chain tracker | |
1242 | * @ioc: per adapter object | |
1243 | * @smid: smid associated to an IO request | |
1244 | * | |
1245 | * Returns chain tracker(from ioc->free_chain_list) | |
1246 | */ | |
1247 | static struct chain_tracker * | |
1248 | _base_get_chain_buffer_tracker(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
1249 | { | |
1250 | struct chain_tracker *chain_req; | |
1251 | unsigned long flags; | |
1252 | ||
1253 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1254 | if (list_empty(&ioc->free_chain_list)) { | |
1255 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1256 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT | |
1257 | "chain buffers not available\n", ioc->name)); | |
1258 | return NULL; | |
1259 | } | |
1260 | chain_req = list_entry(ioc->free_chain_list.next, | |
1261 | struct chain_tracker, tracker_list); | |
1262 | list_del_init(&chain_req->tracker_list); | |
1263 | list_add_tail(&chain_req->tracker_list, | |
1264 | &ioc->scsi_lookup[smid - 1].chain_list); | |
1265 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1266 | return chain_req; | |
1267 | } | |
1268 | ||
1269 | ||
1270 | /** | |
1271 | * _base_build_sg - build generic sg | |
1272 | * @ioc: per adapter object | |
1273 | * @psge: virtual address for SGE | |
1274 | * @data_out_dma: physical address for WRITES | |
1275 | * @data_out_sz: data xfer size for WRITES | |
1276 | * @data_in_dma: physical address for READS | |
1277 | * @data_in_sz: data xfer size for READS | |
1278 | * | |
1279 | * Return nothing. | |
1280 | */ | |
1281 | static void | |
1282 | _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge, | |
1283 | dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma, | |
1284 | size_t data_in_sz) | |
1285 | { | |
1286 | u32 sgl_flags; | |
1287 | ||
1288 | if (!data_out_sz && !data_in_sz) { | |
1289 | _base_build_zero_len_sge(ioc, psge); | |
1290 | return; | |
1291 | } | |
1292 | ||
1293 | if (data_out_sz && data_in_sz) { | |
1294 | /* WRITE sgel first */ | |
1295 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1296 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1297 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1298 | ioc->base_add_sg_single(psge, sgl_flags | | |
1299 | data_out_sz, data_out_dma); | |
1300 | ||
1301 | /* incr sgel */ | |
1302 | psge += ioc->sge_size; | |
1303 | ||
1304 | /* READ sgel last */ | |
1305 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1306 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1307 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1308 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1309 | ioc->base_add_sg_single(psge, sgl_flags | | |
1310 | data_in_sz, data_in_dma); | |
1311 | } else if (data_out_sz) /* WRITE */ { | |
1312 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1313 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1314 | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1315 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1316 | ioc->base_add_sg_single(psge, sgl_flags | | |
1317 | data_out_sz, data_out_dma); | |
1318 | } else if (data_in_sz) /* READ */ { | |
1319 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1320 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1321 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1322 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1323 | ioc->base_add_sg_single(psge, sgl_flags | | |
1324 | data_in_sz, data_in_dma); | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | /* IEEE format sgls */ | |
1329 | ||
1330 | /** | |
1331 | * _base_add_sg_single_ieee - add sg element for IEEE format | |
1332 | * @paddr: virtual address for SGE | |
1333 | * @flags: SGE flags | |
1334 | * @chain_offset: number of 128 byte elements from start of segment | |
1335 | * @length: data transfer length | |
1336 | * @dma_addr: Physical address | |
1337 | * | |
1338 | * Return nothing. | |
1339 | */ | |
1340 | static void | |
1341 | _base_add_sg_single_ieee(void *paddr, u8 flags, u8 chain_offset, u32 length, | |
1342 | dma_addr_t dma_addr) | |
1343 | { | |
1344 | Mpi25IeeeSgeChain64_t *sgel = paddr; | |
1345 | ||
1346 | sgel->Flags = flags; | |
1347 | sgel->NextChainOffset = chain_offset; | |
1348 | sgel->Length = cpu_to_le32(length); | |
1349 | sgel->Address = cpu_to_le64(dma_addr); | |
1350 | } | |
1351 | ||
1352 | /** | |
1353 | * _base_build_zero_len_sge_ieee - build zero length sg entry for IEEE format | |
1354 | * @ioc: per adapter object | |
1355 | * @paddr: virtual address for SGE | |
1356 | * | |
1357 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
1358 | * something to use if the target device goes brain dead and tries | |
1359 | * to send data even when none is asked for. | |
1360 | * | |
1361 | * Return nothing. | |
1362 | */ | |
1363 | static void | |
1364 | _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr) | |
1365 | { | |
1366 | u8 sgl_flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | | |
1367 | MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR | | |
1368 | MPI25_IEEE_SGE_FLAGS_END_OF_LIST); | |
b130b0d5 | 1369 | |
f92363d1 SR |
1370 | _base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1); |
1371 | } | |
1372 | ||
471ef9d4 SR |
1373 | /** |
1374 | * _base_build_sg_scmd - main sg creation routine | |
1375 | * @ioc: per adapter object | |
1376 | * @scmd: scsi command | |
1377 | * @smid: system request message index | |
1378 | * Context: none. | |
1379 | * | |
1380 | * The main routine that builds scatter gather table from a given | |
1381 | * scsi request sent via the .queuecommand main handler. | |
1382 | * | |
1383 | * Returns 0 success, anything else error | |
1384 | */ | |
1385 | static int | |
1386 | _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, | |
1387 | struct scsi_cmnd *scmd, u16 smid) | |
1388 | { | |
1389 | Mpi2SCSIIORequest_t *mpi_request; | |
1390 | dma_addr_t chain_dma; | |
1391 | struct scatterlist *sg_scmd; | |
1392 | void *sg_local, *chain; | |
1393 | u32 chain_offset; | |
1394 | u32 chain_length; | |
1395 | u32 chain_flags; | |
1396 | int sges_left; | |
1397 | u32 sges_in_segment; | |
1398 | u32 sgl_flags; | |
1399 | u32 sgl_flags_last_element; | |
1400 | u32 sgl_flags_end_buffer; | |
1401 | struct chain_tracker *chain_req; | |
1402 | ||
1403 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1404 | ||
1405 | /* init scatter gather flags */ | |
1406 | sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; | |
1407 | if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
1408 | sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; | |
1409 | sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) | |
1410 | << MPI2_SGE_FLAGS_SHIFT; | |
1411 | sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1412 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) | |
1413 | << MPI2_SGE_FLAGS_SHIFT; | |
1414 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1415 | ||
1416 | sg_scmd = scsi_sglist(scmd); | |
1417 | sges_left = scsi_dma_map(scmd); | |
1418 | if (sges_left < 0) { | |
1419 | sdev_printk(KERN_ERR, scmd->device, | |
1420 | "pci_map_sg failed: request for %d bytes!\n", | |
1421 | scsi_bufflen(scmd)); | |
1422 | return -ENOMEM; | |
1423 | } | |
1424 | ||
1425 | sg_local = &mpi_request->SGL; | |
1426 | sges_in_segment = ioc->max_sges_in_main_message; | |
1427 | if (sges_left <= sges_in_segment) | |
1428 | goto fill_in_last_segment; | |
1429 | ||
1430 | mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + | |
1431 | (sges_in_segment * ioc->sge_size))/4; | |
1432 | ||
1433 | /* fill in main message segment when there is a chain following */ | |
1434 | while (sges_in_segment) { | |
1435 | if (sges_in_segment == 1) | |
1436 | ioc->base_add_sg_single(sg_local, | |
1437 | sgl_flags_last_element | sg_dma_len(sg_scmd), | |
1438 | sg_dma_address(sg_scmd)); | |
1439 | else | |
1440 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1441 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1442 | sg_scmd = sg_next(sg_scmd); | |
1443 | sg_local += ioc->sge_size; | |
1444 | sges_left--; | |
1445 | sges_in_segment--; | |
1446 | } | |
1447 | ||
1448 | /* initializing the chain flags and pointers */ | |
1449 | chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; | |
1450 | chain_req = _base_get_chain_buffer_tracker(ioc, smid); | |
1451 | if (!chain_req) | |
1452 | return -1; | |
1453 | chain = chain_req->chain_buffer; | |
1454 | chain_dma = chain_req->chain_buffer_dma; | |
1455 | do { | |
1456 | sges_in_segment = (sges_left <= | |
1457 | ioc->max_sges_in_chain_message) ? sges_left : | |
1458 | ioc->max_sges_in_chain_message; | |
1459 | chain_offset = (sges_left == sges_in_segment) ? | |
1460 | 0 : (sges_in_segment * ioc->sge_size)/4; | |
1461 | chain_length = sges_in_segment * ioc->sge_size; | |
1462 | if (chain_offset) { | |
1463 | chain_offset = chain_offset << | |
1464 | MPI2_SGE_CHAIN_OFFSET_SHIFT; | |
1465 | chain_length += ioc->sge_size; | |
1466 | } | |
1467 | ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | | |
1468 | chain_length, chain_dma); | |
1469 | sg_local = chain; | |
1470 | if (!chain_offset) | |
1471 | goto fill_in_last_segment; | |
1472 | ||
1473 | /* fill in chain segments */ | |
1474 | while (sges_in_segment) { | |
1475 | if (sges_in_segment == 1) | |
1476 | ioc->base_add_sg_single(sg_local, | |
1477 | sgl_flags_last_element | | |
1478 | sg_dma_len(sg_scmd), | |
1479 | sg_dma_address(sg_scmd)); | |
1480 | else | |
1481 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1482 | sg_dma_len(sg_scmd), | |
1483 | sg_dma_address(sg_scmd)); | |
1484 | sg_scmd = sg_next(sg_scmd); | |
1485 | sg_local += ioc->sge_size; | |
1486 | sges_left--; | |
1487 | sges_in_segment--; | |
1488 | } | |
1489 | ||
1490 | chain_req = _base_get_chain_buffer_tracker(ioc, smid); | |
1491 | if (!chain_req) | |
1492 | return -1; | |
1493 | chain = chain_req->chain_buffer; | |
1494 | chain_dma = chain_req->chain_buffer_dma; | |
1495 | } while (1); | |
1496 | ||
1497 | ||
1498 | fill_in_last_segment: | |
1499 | ||
1500 | /* fill the last segment */ | |
1501 | while (sges_left) { | |
1502 | if (sges_left == 1) | |
1503 | ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | | |
1504 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1505 | else | |
1506 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1507 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1508 | sg_scmd = sg_next(sg_scmd); | |
1509 | sg_local += ioc->sge_size; | |
1510 | sges_left--; | |
1511 | } | |
1512 | ||
1513 | return 0; | |
1514 | } | |
1515 | ||
f92363d1 SR |
1516 | /** |
1517 | * _base_build_sg_scmd_ieee - main sg creation routine for IEEE format | |
1518 | * @ioc: per adapter object | |
1519 | * @scmd: scsi command | |
1520 | * @smid: system request message index | |
1521 | * Context: none. | |
1522 | * | |
1523 | * The main routine that builds scatter gather table from a given | |
1524 | * scsi request sent via the .queuecommand main handler. | |
1525 | * | |
1526 | * Returns 0 success, anything else error | |
1527 | */ | |
1528 | static int | |
1529 | _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc, | |
1530 | struct scsi_cmnd *scmd, u16 smid) | |
1531 | { | |
1532 | Mpi2SCSIIORequest_t *mpi_request; | |
1533 | dma_addr_t chain_dma; | |
1534 | struct scatterlist *sg_scmd; | |
1535 | void *sg_local, *chain; | |
1536 | u32 chain_offset; | |
1537 | u32 chain_length; | |
f92363d1 SR |
1538 | int sges_left; |
1539 | u32 sges_in_segment; | |
1540 | u8 simple_sgl_flags; | |
1541 | u8 simple_sgl_flags_last; | |
1542 | u8 chain_sgl_flags; | |
1543 | struct chain_tracker *chain_req; | |
1544 | ||
1545 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1546 | ||
1547 | /* init scatter gather flags */ | |
1548 | simple_sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | | |
1549 | MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR; | |
1550 | simple_sgl_flags_last = simple_sgl_flags | | |
1551 | MPI25_IEEE_SGE_FLAGS_END_OF_LIST; | |
1552 | chain_sgl_flags = MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
1553 | MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR; | |
1554 | ||
1555 | sg_scmd = scsi_sglist(scmd); | |
1556 | sges_left = scsi_dma_map(scmd); | |
62f5c74c | 1557 | if (sges_left < 0) { |
f92363d1 SR |
1558 | sdev_printk(KERN_ERR, scmd->device, |
1559 | "pci_map_sg failed: request for %d bytes!\n", | |
1560 | scsi_bufflen(scmd)); | |
1561 | return -ENOMEM; | |
1562 | } | |
1563 | ||
1564 | sg_local = &mpi_request->SGL; | |
1565 | sges_in_segment = (ioc->request_sz - | |
1566 | offsetof(Mpi2SCSIIORequest_t, SGL))/ioc->sge_size_ieee; | |
1567 | if (sges_left <= sges_in_segment) | |
1568 | goto fill_in_last_segment; | |
1569 | ||
1570 | mpi_request->ChainOffset = (sges_in_segment - 1 /* chain element */) + | |
1571 | (offsetof(Mpi2SCSIIORequest_t, SGL)/ioc->sge_size_ieee); | |
1572 | ||
1573 | /* fill in main message segment when there is a chain following */ | |
1574 | while (sges_in_segment > 1) { | |
1575 | _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0, | |
1576 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1577 | sg_scmd = sg_next(sg_scmd); | |
1578 | sg_local += ioc->sge_size_ieee; | |
1579 | sges_left--; | |
1580 | sges_in_segment--; | |
1581 | } | |
1582 | ||
25ef16d0 | 1583 | /* initializing the pointers */ |
f92363d1 SR |
1584 | chain_req = _base_get_chain_buffer_tracker(ioc, smid); |
1585 | if (!chain_req) | |
1586 | return -1; | |
1587 | chain = chain_req->chain_buffer; | |
1588 | chain_dma = chain_req->chain_buffer_dma; | |
1589 | do { | |
1590 | sges_in_segment = (sges_left <= | |
1591 | ioc->max_sges_in_chain_message) ? sges_left : | |
1592 | ioc->max_sges_in_chain_message; | |
1593 | chain_offset = (sges_left == sges_in_segment) ? | |
1594 | 0 : sges_in_segment; | |
1595 | chain_length = sges_in_segment * ioc->sge_size_ieee; | |
1596 | if (chain_offset) | |
1597 | chain_length += ioc->sge_size_ieee; | |
1598 | _base_add_sg_single_ieee(sg_local, chain_sgl_flags, | |
1599 | chain_offset, chain_length, chain_dma); | |
1600 | ||
1601 | sg_local = chain; | |
1602 | if (!chain_offset) | |
1603 | goto fill_in_last_segment; | |
1604 | ||
1605 | /* fill in chain segments */ | |
1606 | while (sges_in_segment) { | |
1607 | _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0, | |
1608 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1609 | sg_scmd = sg_next(sg_scmd); | |
1610 | sg_local += ioc->sge_size_ieee; | |
1611 | sges_left--; | |
1612 | sges_in_segment--; | |
1613 | } | |
1614 | ||
1615 | chain_req = _base_get_chain_buffer_tracker(ioc, smid); | |
1616 | if (!chain_req) | |
1617 | return -1; | |
1618 | chain = chain_req->chain_buffer; | |
1619 | chain_dma = chain_req->chain_buffer_dma; | |
1620 | } while (1); | |
1621 | ||
1622 | ||
1623 | fill_in_last_segment: | |
1624 | ||
1625 | /* fill the last segment */ | |
62f5c74c | 1626 | while (sges_left > 0) { |
f92363d1 SR |
1627 | if (sges_left == 1) |
1628 | _base_add_sg_single_ieee(sg_local, | |
1629 | simple_sgl_flags_last, 0, sg_dma_len(sg_scmd), | |
1630 | sg_dma_address(sg_scmd)); | |
1631 | else | |
1632 | _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0, | |
1633 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1634 | sg_scmd = sg_next(sg_scmd); | |
1635 | sg_local += ioc->sge_size_ieee; | |
1636 | sges_left--; | |
1637 | } | |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | ||
1642 | /** | |
1643 | * _base_build_sg_ieee - build generic sg for IEEE format | |
1644 | * @ioc: per adapter object | |
1645 | * @psge: virtual address for SGE | |
1646 | * @data_out_dma: physical address for WRITES | |
1647 | * @data_out_sz: data xfer size for WRITES | |
1648 | * @data_in_dma: physical address for READS | |
1649 | * @data_in_sz: data xfer size for READS | |
1650 | * | |
1651 | * Return nothing. | |
1652 | */ | |
1653 | static void | |
1654 | _base_build_sg_ieee(struct MPT3SAS_ADAPTER *ioc, void *psge, | |
1655 | dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma, | |
1656 | size_t data_in_sz) | |
1657 | { | |
1658 | u8 sgl_flags; | |
1659 | ||
1660 | if (!data_out_sz && !data_in_sz) { | |
1661 | _base_build_zero_len_sge_ieee(ioc, psge); | |
1662 | return; | |
1663 | } | |
1664 | ||
1665 | if (data_out_sz && data_in_sz) { | |
1666 | /* WRITE sgel first */ | |
1667 | sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | | |
1668 | MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR; | |
1669 | _base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz, | |
1670 | data_out_dma); | |
1671 | ||
1672 | /* incr sgel */ | |
1673 | psge += ioc->sge_size_ieee; | |
1674 | ||
1675 | /* READ sgel last */ | |
1676 | sgl_flags |= MPI25_IEEE_SGE_FLAGS_END_OF_LIST; | |
1677 | _base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz, | |
1678 | data_in_dma); | |
1679 | } else if (data_out_sz) /* WRITE */ { | |
1680 | sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | | |
1681 | MPI25_IEEE_SGE_FLAGS_END_OF_LIST | | |
1682 | MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR; | |
1683 | _base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz, | |
1684 | data_out_dma); | |
1685 | } else if (data_in_sz) /* READ */ { | |
1686 | sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | | |
1687 | MPI25_IEEE_SGE_FLAGS_END_OF_LIST | | |
1688 | MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR; | |
1689 | _base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz, | |
1690 | data_in_dma); | |
1691 | } | |
1692 | } | |
1693 | ||
1694 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) | |
1695 | ||
1696 | /** | |
1697 | * _base_config_dma_addressing - set dma addressing | |
1698 | * @ioc: per adapter object | |
1699 | * @pdev: PCI device struct | |
1700 | * | |
1701 | * Returns 0 for success, non-zero for failure. | |
1702 | */ | |
1703 | static int | |
1704 | _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) | |
1705 | { | |
1706 | struct sysinfo s; | |
9b05c91a SR |
1707 | u64 consistent_dma_mask; |
1708 | ||
1709 | if (ioc->dma_mask) | |
1710 | consistent_dma_mask = DMA_BIT_MASK(64); | |
1711 | else | |
1712 | consistent_dma_mask = DMA_BIT_MASK(32); | |
f92363d1 SR |
1713 | |
1714 | if (sizeof(dma_addr_t) > 4) { | |
1715 | const uint64_t required_mask = | |
1716 | dma_get_required_mask(&pdev->dev); | |
1717 | if ((required_mask > DMA_BIT_MASK(32)) && | |
1718 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
9b05c91a | 1719 | !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) { |
f92363d1 SR |
1720 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
1721 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); | |
9b05c91a | 1722 | ioc->dma_mask = 64; |
f92363d1 SR |
1723 | goto out; |
1724 | } | |
1725 | } | |
1726 | ||
1727 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) | |
1728 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
1729 | ioc->base_add_sg_single = &_base_add_sg_single_32; | |
1730 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); | |
9b05c91a | 1731 | ioc->dma_mask = 32; |
f92363d1 SR |
1732 | } else |
1733 | return -ENODEV; | |
1734 | ||
1735 | out: | |
1736 | si_meminfo(&s); | |
1737 | pr_info(MPT3SAS_FMT | |
9b05c91a SR |
1738 | "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n", |
1739 | ioc->name, ioc->dma_mask, convert_to_kb(s.totalram)); | |
1740 | ||
1741 | return 0; | |
1742 | } | |
f92363d1 | 1743 | |
9b05c91a SR |
1744 | static int |
1745 | _base_change_consistent_dma_mask(struct MPT3SAS_ADAPTER *ioc, | |
1746 | struct pci_dev *pdev) | |
1747 | { | |
1748 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { | |
1749 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1750 | return -ENODEV; | |
1751 | } | |
f92363d1 SR |
1752 | return 0; |
1753 | } | |
1754 | ||
1755 | /** | |
1756 | * _base_check_enable_msix - checks MSIX capabable. | |
1757 | * @ioc: per adapter object | |
1758 | * | |
1759 | * Check to see if card is capable of MSIX, and set number | |
1760 | * of available msix vectors | |
1761 | */ | |
1762 | static int | |
1763 | _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc) | |
1764 | { | |
1765 | int base; | |
1766 | u16 message_control; | |
1767 | ||
42081173 SR |
1768 | /* Check whether controller SAS2008 B0 controller, |
1769 | * if it is SAS2008 B0 controller use IO-APIC instead of MSIX | |
1770 | */ | |
1771 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && | |
1772 | ioc->pdev->revision == SAS2_PCI_DEVICE_B0_REVISION) { | |
1773 | return -EINVAL; | |
1774 | } | |
1775 | ||
f92363d1 SR |
1776 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); |
1777 | if (!base) { | |
1778 | dfailprintk(ioc, pr_info(MPT3SAS_FMT "msix not supported\n", | |
1779 | ioc->name)); | |
1780 | return -EINVAL; | |
1781 | } | |
1782 | ||
1783 | /* get msix vector count */ | |
42081173 SR |
1784 | /* NUMA_IO not supported for older controllers */ |
1785 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || | |
1786 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || | |
1787 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || | |
1788 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || | |
1789 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || | |
1790 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || | |
1791 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) | |
1792 | ioc->msix_vector_count = 1; | |
1793 | else { | |
1794 | pci_read_config_word(ioc->pdev, base + 2, &message_control); | |
1795 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; | |
1796 | } | |
f92363d1 SR |
1797 | dinitprintk(ioc, pr_info(MPT3SAS_FMT |
1798 | "msix is supported, vector_count(%d)\n", | |
1799 | ioc->name, ioc->msix_vector_count)); | |
1800 | return 0; | |
1801 | } | |
1802 | ||
1803 | /** | |
1804 | * _base_free_irq - free irq | |
1805 | * @ioc: per adapter object | |
1806 | * | |
1807 | * Freeing respective reply_queue from the list. | |
1808 | */ | |
1809 | static void | |
1810 | _base_free_irq(struct MPT3SAS_ADAPTER *ioc) | |
1811 | { | |
1812 | struct adapter_reply_queue *reply_q, *next; | |
1813 | ||
1814 | if (list_empty(&ioc->reply_queue_list)) | |
1815 | return; | |
1816 | ||
1817 | list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { | |
1818 | list_del(&reply_q->list); | |
64038301 SPS |
1819 | if (smp_affinity_enable) { |
1820 | irq_set_affinity_hint(reply_q->vector, NULL); | |
1821 | free_cpumask_var(reply_q->affinity_hint); | |
1822 | } | |
f92363d1 SR |
1823 | free_irq(reply_q->vector, reply_q); |
1824 | kfree(reply_q); | |
1825 | } | |
1826 | } | |
1827 | ||
1828 | /** | |
1829 | * _base_request_irq - request irq | |
1830 | * @ioc: per adapter object | |
1831 | * @index: msix index into vector table | |
1832 | * @vector: irq vector | |
1833 | * | |
1834 | * Inserting respective reply_queue into the list. | |
1835 | */ | |
1836 | static int | |
1837 | _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index, u32 vector) | |
1838 | { | |
1839 | struct adapter_reply_queue *reply_q; | |
1840 | int r; | |
1841 | ||
1842 | reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); | |
1843 | if (!reply_q) { | |
1844 | pr_err(MPT3SAS_FMT "unable to allocate memory %d!\n", | |
1845 | ioc->name, (int)sizeof(struct adapter_reply_queue)); | |
1846 | return -ENOMEM; | |
1847 | } | |
1848 | reply_q->ioc = ioc; | |
1849 | reply_q->msix_index = index; | |
1850 | reply_q->vector = vector; | |
14b3114d | 1851 | |
64038301 SPS |
1852 | if (smp_affinity_enable) { |
1853 | if (!zalloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL)) { | |
1854 | kfree(reply_q); | |
1855 | return -ENOMEM; | |
1856 | } | |
64038301 | 1857 | } |
14b3114d | 1858 | |
f92363d1 SR |
1859 | atomic_set(&reply_q->busy, 0); |
1860 | if (ioc->msix_enable) | |
1861 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", | |
c84b06a4 | 1862 | ioc->driver_name, ioc->id, index); |
f92363d1 SR |
1863 | else |
1864 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", | |
c84b06a4 | 1865 | ioc->driver_name, ioc->id); |
f92363d1 SR |
1866 | r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, |
1867 | reply_q); | |
1868 | if (r) { | |
1869 | pr_err(MPT3SAS_FMT "unable to allocate interrupt %d!\n", | |
1870 | reply_q->name, vector); | |
64038301 | 1871 | free_cpumask_var(reply_q->affinity_hint); |
da3cec25 | 1872 | kfree(reply_q); |
f92363d1 SR |
1873 | return -EBUSY; |
1874 | } | |
1875 | ||
1876 | INIT_LIST_HEAD(&reply_q->list); | |
1877 | list_add_tail(&reply_q->list, &ioc->reply_queue_list); | |
1878 | return 0; | |
1879 | } | |
1880 | ||
1881 | /** | |
1882 | * _base_assign_reply_queues - assigning msix index for each cpu | |
1883 | * @ioc: per adapter object | |
1884 | * | |
1885 | * The enduser would need to set the affinity via /proc/irq/#/smp_affinity | |
1886 | * | |
1887 | * It would nice if we could call irq_set_affinity, however it is not | |
1888 | * an exported symbol | |
1889 | */ | |
1890 | static void | |
1891 | _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc) | |
1892 | { | |
91b265bf | 1893 | unsigned int cpu, nr_cpus, nr_msix, index = 0; |
14b3114d | 1894 | struct adapter_reply_queue *reply_q; |
f92363d1 SR |
1895 | |
1896 | if (!_base_is_controller_msix_enabled(ioc)) | |
1897 | return; | |
1898 | ||
1899 | memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); | |
1900 | ||
91b265bf MP |
1901 | nr_cpus = num_online_cpus(); |
1902 | nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count, | |
1903 | ioc->facts.MaxMSIxVectors); | |
1904 | if (!nr_msix) | |
1905 | return; | |
f92363d1 | 1906 | |
91b265bf MP |
1907 | cpu = cpumask_first(cpu_online_mask); |
1908 | ||
14b3114d SR |
1909 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
1910 | ||
91b265bf MP |
1911 | unsigned int i, group = nr_cpus / nr_msix; |
1912 | ||
14b3114d SR |
1913 | if (cpu >= nr_cpus) |
1914 | break; | |
1915 | ||
91b265bf MP |
1916 | if (index < nr_cpus % nr_msix) |
1917 | group++; | |
1918 | ||
1919 | for (i = 0 ; i < group ; i++) { | |
1920 | ioc->cpu_msix_table[cpu] = index; | |
64038301 SPS |
1921 | if (smp_affinity_enable) |
1922 | cpumask_or(reply_q->affinity_hint, | |
14b3114d | 1923 | reply_q->affinity_hint, get_cpu_mask(cpu)); |
91b265bf | 1924 | cpu = cpumask_next(cpu, cpu_online_mask); |
f92363d1 | 1925 | } |
64038301 SPS |
1926 | if (smp_affinity_enable) |
1927 | if (irq_set_affinity_hint(reply_q->vector, | |
14b3114d | 1928 | reply_q->affinity_hint)) |
64038301 SPS |
1929 | dinitprintk(ioc, pr_info(MPT3SAS_FMT |
1930 | "Err setting affinity hint to irq vector %d\n", | |
1931 | ioc->name, reply_q->vector)); | |
91b265bf | 1932 | index++; |
14b3114d | 1933 | } |
f92363d1 SR |
1934 | } |
1935 | ||
1936 | /** | |
1937 | * _base_disable_msix - disables msix | |
1938 | * @ioc: per adapter object | |
1939 | * | |
1940 | */ | |
1941 | static void | |
1942 | _base_disable_msix(struct MPT3SAS_ADAPTER *ioc) | |
1943 | { | |
1944 | if (!ioc->msix_enable) | |
1945 | return; | |
1946 | pci_disable_msix(ioc->pdev); | |
1947 | ioc->msix_enable = 0; | |
1948 | } | |
1949 | ||
1950 | /** | |
1951 | * _base_enable_msix - enables msix, failback to io_apic | |
1952 | * @ioc: per adapter object | |
1953 | * | |
1954 | */ | |
1955 | static int | |
1956 | _base_enable_msix(struct MPT3SAS_ADAPTER *ioc) | |
1957 | { | |
1958 | struct msix_entry *entries, *a; | |
1959 | int r; | |
1960 | int i; | |
1961 | u8 try_msix = 0; | |
1962 | ||
f92363d1 SR |
1963 | if (msix_disable == -1 || msix_disable == 0) |
1964 | try_msix = 1; | |
1965 | ||
1966 | if (!try_msix) | |
1967 | goto try_ioapic; | |
1968 | ||
1969 | if (_base_check_enable_msix(ioc) != 0) | |
1970 | goto try_ioapic; | |
1971 | ||
1972 | ioc->reply_queue_count = min_t(int, ioc->cpu_count, | |
1973 | ioc->msix_vector_count); | |
1974 | ||
9c500060 SR |
1975 | printk(MPT3SAS_FMT "MSI-X vectors supported: %d, no of cores" |
1976 | ": %d, max_msix_vectors: %d\n", ioc->name, ioc->msix_vector_count, | |
1977 | ioc->cpu_count, max_msix_vectors); | |
1978 | ||
9b05c91a SR |
1979 | if (!ioc->rdpq_array_enable && max_msix_vectors == -1) |
1980 | max_msix_vectors = 8; | |
1981 | ||
9c500060 SR |
1982 | if (max_msix_vectors > 0) { |
1983 | ioc->reply_queue_count = min_t(int, max_msix_vectors, | |
1984 | ioc->reply_queue_count); | |
1985 | ioc->msix_vector_count = ioc->reply_queue_count; | |
9b05c91a SR |
1986 | } else if (max_msix_vectors == 0) |
1987 | goto try_ioapic; | |
9c500060 | 1988 | |
64038301 SPS |
1989 | if (ioc->msix_vector_count < ioc->cpu_count) |
1990 | smp_affinity_enable = 0; | |
1991 | ||
f92363d1 SR |
1992 | entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), |
1993 | GFP_KERNEL); | |
1994 | if (!entries) { | |
1995 | dfailprintk(ioc, pr_info(MPT3SAS_FMT | |
1996 | "kcalloc failed @ at %s:%d/%s() !!!\n", | |
1997 | ioc->name, __FILE__, __LINE__, __func__)); | |
1998 | goto try_ioapic; | |
1999 | } | |
2000 | ||
2001 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) | |
2002 | a->entry = i; | |
2003 | ||
6bfa6907 | 2004 | r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count); |
f92363d1 SR |
2005 | if (r) { |
2006 | dfailprintk(ioc, pr_info(MPT3SAS_FMT | |
6bfa6907 | 2007 | "pci_enable_msix_exact failed (r=%d) !!!\n", |
f92363d1 SR |
2008 | ioc->name, r)); |
2009 | kfree(entries); | |
2010 | goto try_ioapic; | |
2011 | } | |
2012 | ||
2013 | ioc->msix_enable = 1; | |
2014 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { | |
2015 | r = _base_request_irq(ioc, i, a->vector); | |
2016 | if (r) { | |
2017 | _base_free_irq(ioc); | |
2018 | _base_disable_msix(ioc); | |
2019 | kfree(entries); | |
2020 | goto try_ioapic; | |
2021 | } | |
2022 | } | |
2023 | ||
2024 | kfree(entries); | |
2025 | return 0; | |
2026 | ||
2027 | /* failback to io_apic interrupt routing */ | |
2028 | try_ioapic: | |
2029 | ||
9b05c91a | 2030 | ioc->reply_queue_count = 1; |
f92363d1 SR |
2031 | r = _base_request_irq(ioc, 0, ioc->pdev->irq); |
2032 | ||
2033 | return r; | |
2034 | } | |
2035 | ||
580d4e31 SR |
2036 | /** |
2037 | * mpt3sas_base_unmap_resources - free controller resources | |
2038 | * @ioc: per adapter object | |
2039 | */ | |
2040 | void | |
2041 | mpt3sas_base_unmap_resources(struct MPT3SAS_ADAPTER *ioc) | |
2042 | { | |
2043 | struct pci_dev *pdev = ioc->pdev; | |
2044 | ||
2045 | dexitprintk(ioc, printk(MPT3SAS_FMT "%s\n", | |
2046 | ioc->name, __func__)); | |
2047 | ||
2048 | _base_free_irq(ioc); | |
2049 | _base_disable_msix(ioc); | |
2050 | ||
5f985d88 | 2051 | if (ioc->msix96_vector) { |
580d4e31 | 2052 | kfree(ioc->replyPostRegisterIndex); |
5f985d88 TH |
2053 | ioc->replyPostRegisterIndex = NULL; |
2054 | } | |
580d4e31 SR |
2055 | |
2056 | if (ioc->chip_phys) { | |
2057 | iounmap(ioc->chip); | |
2058 | ioc->chip_phys = 0; | |
2059 | } | |
2060 | ||
2061 | if (pci_is_enabled(pdev)) { | |
2062 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
2063 | pci_disable_pcie_error_reporting(pdev); | |
2064 | pci_disable_device(pdev); | |
2065 | } | |
2066 | } | |
2067 | ||
f92363d1 SR |
2068 | /** |
2069 | * mpt3sas_base_map_resources - map in controller resources (io/irq/memap) | |
2070 | * @ioc: per adapter object | |
2071 | * | |
2072 | * Returns 0 for success, non-zero for failure. | |
2073 | */ | |
2074 | int | |
2075 | mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc) | |
2076 | { | |
2077 | struct pci_dev *pdev = ioc->pdev; | |
2078 | u32 memap_sz; | |
2079 | u32 pio_sz; | |
2080 | int i, r = 0; | |
2081 | u64 pio_chip = 0; | |
2082 | u64 chip_phys = 0; | |
2083 | struct adapter_reply_queue *reply_q; | |
2084 | ||
2085 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", | |
2086 | ioc->name, __func__)); | |
2087 | ||
2088 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
2089 | if (pci_enable_device_mem(pdev)) { | |
2090 | pr_warn(MPT3SAS_FMT "pci_enable_device_mem: failed\n", | |
2091 | ioc->name); | |
cf9bd21a | 2092 | ioc->bars = 0; |
f92363d1 SR |
2093 | return -ENODEV; |
2094 | } | |
2095 | ||
2096 | ||
2097 | if (pci_request_selected_regions(pdev, ioc->bars, | |
c84b06a4 | 2098 | ioc->driver_name)) { |
f92363d1 SR |
2099 | pr_warn(MPT3SAS_FMT "pci_request_selected_regions: failed\n", |
2100 | ioc->name); | |
cf9bd21a | 2101 | ioc->bars = 0; |
f92363d1 SR |
2102 | r = -ENODEV; |
2103 | goto out_fail; | |
2104 | } | |
2105 | ||
2106 | /* AER (Advanced Error Reporting) hooks */ | |
2107 | pci_enable_pcie_error_reporting(pdev); | |
2108 | ||
2109 | pci_set_master(pdev); | |
2110 | ||
2111 | ||
2112 | if (_base_config_dma_addressing(ioc, pdev) != 0) { | |
2113 | pr_warn(MPT3SAS_FMT "no suitable DMA mask for %s\n", | |
2114 | ioc->name, pci_name(pdev)); | |
2115 | r = -ENODEV; | |
2116 | goto out_fail; | |
2117 | } | |
2118 | ||
5aeeb78a SR |
2119 | for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) && |
2120 | (!memap_sz || !pio_sz); i++) { | |
f92363d1 SR |
2121 | if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { |
2122 | if (pio_sz) | |
2123 | continue; | |
2124 | pio_chip = (u64)pci_resource_start(pdev, i); | |
2125 | pio_sz = pci_resource_len(pdev, i); | |
2126 | } else if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { | |
2127 | if (memap_sz) | |
2128 | continue; | |
2129 | ioc->chip_phys = pci_resource_start(pdev, i); | |
2130 | chip_phys = (u64)ioc->chip_phys; | |
2131 | memap_sz = pci_resource_len(pdev, i); | |
2132 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); | |
f92363d1 SR |
2133 | } |
2134 | } | |
2135 | ||
5aeeb78a SR |
2136 | if (ioc->chip == NULL) { |
2137 | pr_err(MPT3SAS_FMT "unable to map adapter memory! " | |
2138 | " or resource not found\n", ioc->name); | |
2139 | r = -EINVAL; | |
2140 | goto out_fail; | |
2141 | } | |
2142 | ||
f92363d1 | 2143 | _base_mask_interrupts(ioc); |
9b05c91a SR |
2144 | |
2145 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); | |
2146 | if (r) | |
2147 | goto out_fail; | |
2148 | ||
2149 | if (!ioc->rdpq_array_enable_assigned) { | |
2150 | ioc->rdpq_array_enable = ioc->rdpq_array_capable; | |
2151 | ioc->rdpq_array_enable_assigned = 1; | |
2152 | } | |
2153 | ||
f92363d1 SR |
2154 | r = _base_enable_msix(ioc); |
2155 | if (r) | |
2156 | goto out_fail; | |
2157 | ||
fb77bb53 SR |
2158 | /* Use the Combined reply queue feature only for SAS3 C0 & higher |
2159 | * revision HBAs and also only when reply queue count is greater than 8 | |
2160 | */ | |
2161 | if (ioc->msix96_vector && ioc->reply_queue_count > 8) { | |
2162 | /* Determine the Supplemental Reply Post Host Index Registers | |
2163 | * Addresse. Supplemental Reply Post Host Index Registers | |
2164 | * starts at offset MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET and | |
2165 | * each register is at offset bytes of | |
2166 | * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET from previous one. | |
2167 | */ | |
2168 | ioc->replyPostRegisterIndex = kcalloc( | |
2169 | MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT, | |
2170 | sizeof(resource_size_t *), GFP_KERNEL); | |
2171 | if (!ioc->replyPostRegisterIndex) { | |
2172 | dfailprintk(ioc, printk(MPT3SAS_FMT | |
2173 | "allocation for reply Post Register Index failed!!!\n", | |
2174 | ioc->name)); | |
2175 | r = -ENOMEM; | |
2176 | goto out_fail; | |
2177 | } | |
2178 | ||
2179 | for (i = 0; i < MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT; i++) { | |
2180 | ioc->replyPostRegisterIndex[i] = (resource_size_t *) | |
2181 | ((u8 *)&ioc->chip->Doorbell + | |
2182 | MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET + | |
2183 | (i * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET)); | |
2184 | } | |
2185 | } else | |
2186 | ioc->msix96_vector = 0; | |
2187 | ||
f92363d1 SR |
2188 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) |
2189 | pr_info(MPT3SAS_FMT "%s: IRQ %d\n", | |
2190 | reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : | |
2191 | "IO-APIC enabled"), reply_q->vector); | |
2192 | ||
2193 | pr_info(MPT3SAS_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", | |
2194 | ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); | |
2195 | pr_info(MPT3SAS_FMT "ioport(0x%016llx), size(%d)\n", | |
2196 | ioc->name, (unsigned long long)pio_chip, pio_sz); | |
2197 | ||
2198 | /* Save PCI configuration state for recovery from PCI AER/EEH errors */ | |
2199 | pci_save_state(pdev); | |
2200 | return 0; | |
2201 | ||
2202 | out_fail: | |
580d4e31 | 2203 | mpt3sas_base_unmap_resources(ioc); |
f92363d1 SR |
2204 | return r; |
2205 | } | |
2206 | ||
2207 | /** | |
2208 | * mpt3sas_base_get_msg_frame - obtain request mf pointer | |
2209 | * @ioc: per adapter object | |
2210 | * @smid: system request message index(smid zero is invalid) | |
2211 | * | |
2212 | * Returns virt pointer to message frame. | |
2213 | */ | |
2214 | void * | |
2215 | mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
2216 | { | |
2217 | return (void *)(ioc->request + (smid * ioc->request_sz)); | |
2218 | } | |
2219 | ||
2220 | /** | |
2221 | * mpt3sas_base_get_sense_buffer - obtain a sense buffer virt addr | |
2222 | * @ioc: per adapter object | |
2223 | * @smid: system request message index | |
2224 | * | |
2225 | * Returns virt pointer to sense buffer. | |
2226 | */ | |
2227 | void * | |
2228 | mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
2229 | { | |
2230 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
2231 | } | |
2232 | ||
2233 | /** | |
2234 | * mpt3sas_base_get_sense_buffer_dma - obtain a sense buffer dma addr | |
2235 | * @ioc: per adapter object | |
2236 | * @smid: system request message index | |
2237 | * | |
2238 | * Returns phys pointer to the low 32bit address of the sense buffer. | |
2239 | */ | |
2240 | __le32 | |
2241 | mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
2242 | { | |
2243 | return cpu_to_le32(ioc->sense_dma + ((smid - 1) * | |
2244 | SCSI_SENSE_BUFFERSIZE)); | |
2245 | } | |
2246 | ||
2247 | /** | |
2248 | * mpt3sas_base_get_reply_virt_addr - obtain reply frames virt address | |
2249 | * @ioc: per adapter object | |
2250 | * @phys_addr: lower 32 physical addr of the reply | |
2251 | * | |
2252 | * Converts 32bit lower physical addr into a virt address. | |
2253 | */ | |
2254 | void * | |
2255 | mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc, u32 phys_addr) | |
2256 | { | |
2257 | if (!phys_addr) | |
2258 | return NULL; | |
2259 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); | |
2260 | } | |
2261 | ||
03d1fb3a SS |
2262 | static inline u8 |
2263 | _base_get_msix_index(struct MPT3SAS_ADAPTER *ioc) | |
2264 | { | |
2265 | return ioc->cpu_msix_table[raw_smp_processor_id()]; | |
2266 | } | |
2267 | ||
f92363d1 SR |
2268 | /** |
2269 | * mpt3sas_base_get_smid - obtain a free smid from internal queue | |
2270 | * @ioc: per adapter object | |
2271 | * @cb_idx: callback index | |
2272 | * | |
2273 | * Returns smid (zero is invalid) | |
2274 | */ | |
2275 | u16 | |
2276 | mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx) | |
2277 | { | |
2278 | unsigned long flags; | |
2279 | struct request_tracker *request; | |
2280 | u16 smid; | |
2281 | ||
2282 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
2283 | if (list_empty(&ioc->internal_free_list)) { | |
2284 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2285 | pr_err(MPT3SAS_FMT "%s: smid not available\n", | |
2286 | ioc->name, __func__); | |
2287 | return 0; | |
2288 | } | |
2289 | ||
2290 | request = list_entry(ioc->internal_free_list.next, | |
2291 | struct request_tracker, tracker_list); | |
2292 | request->cb_idx = cb_idx; | |
2293 | smid = request->smid; | |
2294 | list_del(&request->tracker_list); | |
2295 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2296 | return smid; | |
2297 | } | |
2298 | ||
2299 | /** | |
2300 | * mpt3sas_base_get_smid_scsiio - obtain a free smid from scsiio queue | |
2301 | * @ioc: per adapter object | |
2302 | * @cb_idx: callback index | |
2303 | * @scmd: pointer to scsi command object | |
2304 | * | |
2305 | * Returns smid (zero is invalid) | |
2306 | */ | |
2307 | u16 | |
2308 | mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx, | |
2309 | struct scsi_cmnd *scmd) | |
2310 | { | |
2311 | unsigned long flags; | |
2312 | struct scsiio_tracker *request; | |
2313 | u16 smid; | |
2314 | ||
2315 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
2316 | if (list_empty(&ioc->free_list)) { | |
2317 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2318 | pr_err(MPT3SAS_FMT "%s: smid not available\n", | |
2319 | ioc->name, __func__); | |
2320 | return 0; | |
2321 | } | |
2322 | ||
2323 | request = list_entry(ioc->free_list.next, | |
2324 | struct scsiio_tracker, tracker_list); | |
2325 | request->scmd = scmd; | |
2326 | request->cb_idx = cb_idx; | |
2327 | smid = request->smid; | |
03d1fb3a | 2328 | request->msix_io = _base_get_msix_index(ioc); |
f92363d1 SR |
2329 | list_del(&request->tracker_list); |
2330 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2331 | return smid; | |
2332 | } | |
2333 | ||
2334 | /** | |
2335 | * mpt3sas_base_get_smid_hpr - obtain a free smid from hi-priority queue | |
2336 | * @ioc: per adapter object | |
2337 | * @cb_idx: callback index | |
2338 | * | |
2339 | * Returns smid (zero is invalid) | |
2340 | */ | |
2341 | u16 | |
2342 | mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx) | |
2343 | { | |
2344 | unsigned long flags; | |
2345 | struct request_tracker *request; | |
2346 | u16 smid; | |
2347 | ||
2348 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
2349 | if (list_empty(&ioc->hpr_free_list)) { | |
2350 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2351 | return 0; | |
2352 | } | |
2353 | ||
2354 | request = list_entry(ioc->hpr_free_list.next, | |
2355 | struct request_tracker, tracker_list); | |
2356 | request->cb_idx = cb_idx; | |
2357 | smid = request->smid; | |
2358 | list_del(&request->tracker_list); | |
2359 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2360 | return smid; | |
2361 | } | |
2362 | ||
2363 | /** | |
2364 | * mpt3sas_base_free_smid - put smid back on free_list | |
2365 | * @ioc: per adapter object | |
2366 | * @smid: system request message index | |
2367 | * | |
2368 | * Return nothing. | |
2369 | */ | |
2370 | void | |
2371 | mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
2372 | { | |
2373 | unsigned long flags; | |
2374 | int i; | |
2375 | struct chain_tracker *chain_req, *next; | |
2376 | ||
2377 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
2378 | if (smid < ioc->hi_priority_smid) { | |
2379 | /* scsiio queue */ | |
2380 | i = smid - 1; | |
2381 | if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { | |
2382 | list_for_each_entry_safe(chain_req, next, | |
2383 | &ioc->scsi_lookup[i].chain_list, tracker_list) { | |
2384 | list_del_init(&chain_req->tracker_list); | |
2385 | list_add(&chain_req->tracker_list, | |
2386 | &ioc->free_chain_list); | |
2387 | } | |
2388 | } | |
2389 | ioc->scsi_lookup[i].cb_idx = 0xFF; | |
2390 | ioc->scsi_lookup[i].scmd = NULL; | |
7786ab6a | 2391 | ioc->scsi_lookup[i].direct_io = 0; |
f92363d1 SR |
2392 | list_add(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list); |
2393 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2394 | ||
2395 | /* | |
2396 | * See _wait_for_commands_to_complete() call with regards | |
2397 | * to this code. | |
2398 | */ | |
2399 | if (ioc->shost_recovery && ioc->pending_io_count) { | |
2400 | if (ioc->pending_io_count == 1) | |
2401 | wake_up(&ioc->reset_wq); | |
2402 | ioc->pending_io_count--; | |
2403 | } | |
2404 | return; | |
2405 | } else if (smid < ioc->internal_smid) { | |
2406 | /* hi-priority */ | |
2407 | i = smid - ioc->hi_priority_smid; | |
2408 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
2409 | list_add(&ioc->hpr_lookup[i].tracker_list, &ioc->hpr_free_list); | |
2410 | } else if (smid <= ioc->hba_queue_depth) { | |
2411 | /* internal queue */ | |
2412 | i = smid - ioc->internal_smid; | |
2413 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
2414 | list_add(&ioc->internal_lookup[i].tracker_list, | |
2415 | &ioc->internal_free_list); | |
2416 | } | |
2417 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
2418 | } | |
2419 | ||
2420 | /** | |
2421 | * _base_writeq - 64 bit write to MMIO | |
2422 | * @ioc: per adapter object | |
2423 | * @b: data payload | |
2424 | * @addr: address in MMIO space | |
2425 | * @writeq_lock: spin lock | |
2426 | * | |
2427 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes | |
2428 | * care of 32 bit environment where its not quarenteed to send the entire word | |
2429 | * in one transfer. | |
2430 | */ | |
2431 | #if defined(writeq) && defined(CONFIG_64BIT) | |
2432 | static inline void | |
2433 | _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock) | |
2434 | { | |
2435 | writeq(cpu_to_le64(b), addr); | |
2436 | } | |
2437 | #else | |
2438 | static inline void | |
2439 | _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock) | |
2440 | { | |
2441 | unsigned long flags; | |
2442 | __u64 data_out = cpu_to_le64(b); | |
2443 | ||
2444 | spin_lock_irqsave(writeq_lock, flags); | |
2445 | writel((u32)(data_out), addr); | |
2446 | writel((u32)(data_out >> 32), (addr + 4)); | |
2447 | spin_unlock_irqrestore(writeq_lock, flags); | |
2448 | } | |
2449 | #endif | |
2450 | ||
f92363d1 SR |
2451 | /** |
2452 | * mpt3sas_base_put_smid_scsi_io - send SCSI_IO request to firmware | |
2453 | * @ioc: per adapter object | |
2454 | * @smid: system request message index | |
2455 | * @handle: device handle | |
2456 | * | |
2457 | * Return nothing. | |
2458 | */ | |
2459 | void | |
2460 | mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 handle) | |
2461 | { | |
2462 | Mpi2RequestDescriptorUnion_t descriptor; | |
2463 | u64 *request = (u64 *)&descriptor; | |
2464 | ||
2465 | ||
2466 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; | |
2467 | descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); | |
2468 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); | |
2469 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
2470 | descriptor.SCSIIO.LMID = 0; | |
2471 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
2472 | &ioc->scsi_lookup_lock); | |
2473 | } | |
2474 | ||
2475 | /** | |
2476 | * mpt3sas_base_put_smid_fast_path - send fast path request to firmware | |
2477 | * @ioc: per adapter object | |
2478 | * @smid: system request message index | |
2479 | * @handle: device handle | |
2480 | * | |
2481 | * Return nothing. | |
2482 | */ | |
2483 | void | |
2484 | mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid, | |
2485 | u16 handle) | |
2486 | { | |
2487 | Mpi2RequestDescriptorUnion_t descriptor; | |
2488 | u64 *request = (u64 *)&descriptor; | |
2489 | ||
2490 | descriptor.SCSIIO.RequestFlags = | |
2491 | MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO; | |
2492 | descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); | |
2493 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); | |
2494 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
2495 | descriptor.SCSIIO.LMID = 0; | |
2496 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
2497 | &ioc->scsi_lookup_lock); | |
2498 | } | |
2499 | ||
2500 | /** | |
2501 | * mpt3sas_base_put_smid_hi_priority - send Task Managment request to firmware | |
2502 | * @ioc: per adapter object | |
2503 | * @smid: system request message index | |
03d1fb3a | 2504 | * @msix_task: msix_task will be same as msix of IO incase of task abort else 0. |
f92363d1 SR |
2505 | * Return nothing. |
2506 | */ | |
2507 | void | |
03d1fb3a SS |
2508 | mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid, |
2509 | u16 msix_task) | |
f92363d1 SR |
2510 | { |
2511 | Mpi2RequestDescriptorUnion_t descriptor; | |
2512 | u64 *request = (u64 *)&descriptor; | |
2513 | ||
2514 | descriptor.HighPriority.RequestFlags = | |
2515 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; | |
03d1fb3a | 2516 | descriptor.HighPriority.MSIxIndex = msix_task; |
f92363d1 SR |
2517 | descriptor.HighPriority.SMID = cpu_to_le16(smid); |
2518 | descriptor.HighPriority.LMID = 0; | |
2519 | descriptor.HighPriority.Reserved1 = 0; | |
2520 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
2521 | &ioc->scsi_lookup_lock); | |
2522 | } | |
2523 | ||
2524 | /** | |
2525 | * mpt3sas_base_put_smid_default - Default, primarily used for config pages | |
2526 | * @ioc: per adapter object | |
2527 | * @smid: system request message index | |
2528 | * | |
2529 | * Return nothing. | |
2530 | */ | |
2531 | void | |
2532 | mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid) | |
2533 | { | |
2534 | Mpi2RequestDescriptorUnion_t descriptor; | |
2535 | u64 *request = (u64 *)&descriptor; | |
2536 | ||
2537 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; | |
2538 | descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); | |
2539 | descriptor.Default.SMID = cpu_to_le16(smid); | |
2540 | descriptor.Default.LMID = 0; | |
2541 | descriptor.Default.DescriptorTypeDependent = 0; | |
2542 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
2543 | &ioc->scsi_lookup_lock); | |
2544 | } | |
2545 | ||
1117b31a | 2546 | /** |
989e43c7 | 2547 | * _base_display_OEMs_branding - Display branding string |
1117b31a SR |
2548 | * @ioc: per adapter object |
2549 | * | |
2550 | * Return nothing. | |
2551 | */ | |
2552 | static void | |
989e43c7 | 2553 | _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc) |
1117b31a SR |
2554 | { |
2555 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
2556 | return; | |
2557 | ||
989e43c7 SR |
2558 | switch (ioc->pdev->subsystem_vendor) { |
2559 | case PCI_VENDOR_ID_INTEL: | |
2560 | switch (ioc->pdev->device) { | |
2561 | case MPI2_MFGPAGE_DEVID_SAS2008: | |
2562 | switch (ioc->pdev->subsystem_device) { | |
2563 | case MPT2SAS_INTEL_RMS2LL080_SSDID: | |
2564 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2565 | MPT2SAS_INTEL_RMS2LL080_BRANDING); | |
2566 | break; | |
2567 | case MPT2SAS_INTEL_RMS2LL040_SSDID: | |
2568 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2569 | MPT2SAS_INTEL_RMS2LL040_BRANDING); | |
2570 | break; | |
2571 | case MPT2SAS_INTEL_SSD910_SSDID: | |
2572 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2573 | MPT2SAS_INTEL_SSD910_BRANDING); | |
2574 | break; | |
2575 | default: | |
2576 | pr_info(MPT3SAS_FMT | |
2577 | "Intel(R) Controller: Subsystem ID: 0x%X\n", | |
2578 | ioc->name, ioc->pdev->subsystem_device); | |
2579 | break; | |
2580 | } | |
2581 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
2582 | switch (ioc->pdev->subsystem_device) { | |
2583 | case MPT2SAS_INTEL_RS25GB008_SSDID: | |
2584 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2585 | MPT2SAS_INTEL_RS25GB008_BRANDING); | |
2586 | break; | |
2587 | case MPT2SAS_INTEL_RMS25JB080_SSDID: | |
2588 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2589 | MPT2SAS_INTEL_RMS25JB080_BRANDING); | |
2590 | break; | |
2591 | case MPT2SAS_INTEL_RMS25JB040_SSDID: | |
2592 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2593 | MPT2SAS_INTEL_RMS25JB040_BRANDING); | |
2594 | break; | |
2595 | case MPT2SAS_INTEL_RMS25KB080_SSDID: | |
2596 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2597 | MPT2SAS_INTEL_RMS25KB080_BRANDING); | |
2598 | break; | |
2599 | case MPT2SAS_INTEL_RMS25KB040_SSDID: | |
2600 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2601 | MPT2SAS_INTEL_RMS25KB040_BRANDING); | |
2602 | break; | |
2603 | case MPT2SAS_INTEL_RMS25LB040_SSDID: | |
2604 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2605 | MPT2SAS_INTEL_RMS25LB040_BRANDING); | |
2606 | break; | |
2607 | case MPT2SAS_INTEL_RMS25LB080_SSDID: | |
2608 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2609 | MPT2SAS_INTEL_RMS25LB080_BRANDING); | |
2610 | break; | |
2611 | default: | |
2612 | pr_info(MPT3SAS_FMT | |
2613 | "Intel(R) Controller: Subsystem ID: 0x%X\n", | |
2614 | ioc->name, ioc->pdev->subsystem_device); | |
2615 | break; | |
2616 | } | |
2617 | case MPI25_MFGPAGE_DEVID_SAS3008: | |
2618 | switch (ioc->pdev->subsystem_device) { | |
2619 | case MPT3SAS_INTEL_RMS3JC080_SSDID: | |
2620 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2621 | MPT3SAS_INTEL_RMS3JC080_BRANDING); | |
2622 | break; | |
2623 | ||
2624 | case MPT3SAS_INTEL_RS3GC008_SSDID: | |
2625 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2626 | MPT3SAS_INTEL_RS3GC008_BRANDING); | |
2627 | break; | |
2628 | case MPT3SAS_INTEL_RS3FC044_SSDID: | |
2629 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2630 | MPT3SAS_INTEL_RS3FC044_BRANDING); | |
2631 | break; | |
2632 | case MPT3SAS_INTEL_RS3UC080_SSDID: | |
2633 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2634 | MPT3SAS_INTEL_RS3UC080_BRANDING); | |
2635 | break; | |
2636 | default: | |
2637 | pr_info(MPT3SAS_FMT | |
2638 | "Intel(R) Controller: Subsystem ID: 0x%X\n", | |
2639 | ioc->name, ioc->pdev->subsystem_device); | |
2640 | break; | |
2641 | } | |
1117b31a SR |
2642 | break; |
2643 | default: | |
2644 | pr_info(MPT3SAS_FMT | |
989e43c7 SR |
2645 | "Intel(R) Controller: Subsystem ID: 0x%X\n", |
2646 | ioc->name, ioc->pdev->subsystem_device); | |
1117b31a SR |
2647 | break; |
2648 | } | |
2649 | break; | |
989e43c7 SR |
2650 | case PCI_VENDOR_ID_DELL: |
2651 | switch (ioc->pdev->device) { | |
2652 | case MPI2_MFGPAGE_DEVID_SAS2008: | |
2653 | switch (ioc->pdev->subsystem_device) { | |
2654 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: | |
2655 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2656 | MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING); | |
2657 | break; | |
2658 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: | |
2659 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2660 | MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING); | |
2661 | break; | |
2662 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: | |
2663 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2664 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING); | |
2665 | break; | |
2666 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: | |
2667 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2668 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING); | |
2669 | break; | |
2670 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: | |
2671 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2672 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING); | |
2673 | break; | |
2674 | case MPT2SAS_DELL_PERC_H200_SSDID: | |
2675 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2676 | MPT2SAS_DELL_PERC_H200_BRANDING); | |
2677 | break; | |
2678 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: | |
2679 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2680 | MPT2SAS_DELL_6GBPS_SAS_BRANDING); | |
2681 | break; | |
2682 | default: | |
2683 | pr_info(MPT3SAS_FMT | |
2684 | "Dell 6Gbps HBA: Subsystem ID: 0x%X\n", | |
2685 | ioc->name, ioc->pdev->subsystem_device); | |
2686 | break; | |
2687 | } | |
2688 | break; | |
2689 | case MPI25_MFGPAGE_DEVID_SAS3008: | |
2690 | switch (ioc->pdev->subsystem_device) { | |
2691 | case MPT3SAS_DELL_12G_HBA_SSDID: | |
2692 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2693 | MPT3SAS_DELL_12G_HBA_BRANDING); | |
2694 | break; | |
2695 | default: | |
2696 | pr_info(MPT3SAS_FMT | |
2697 | "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", | |
2698 | ioc->name, ioc->pdev->subsystem_device); | |
2699 | break; | |
2700 | } | |
fb84dfc4 SR |
2701 | break; |
2702 | default: | |
2703 | pr_info(MPT3SAS_FMT | |
989e43c7 | 2704 | "Dell HBA: Subsystem ID: 0x%X\n", ioc->name, |
fb84dfc4 SR |
2705 | ioc->pdev->subsystem_device); |
2706 | break; | |
2707 | } | |
2708 | break; | |
989e43c7 SR |
2709 | case PCI_VENDOR_ID_CISCO: |
2710 | switch (ioc->pdev->device) { | |
2711 | case MPI25_MFGPAGE_DEVID_SAS3008: | |
2712 | switch (ioc->pdev->subsystem_device) { | |
2713 | case MPT3SAS_CISCO_12G_8E_HBA_SSDID: | |
2714 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2715 | MPT3SAS_CISCO_12G_8E_HBA_BRANDING); | |
2716 | break; | |
2717 | case MPT3SAS_CISCO_12G_8I_HBA_SSDID: | |
2718 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2719 | MPT3SAS_CISCO_12G_8I_HBA_BRANDING); | |
2720 | break; | |
2721 | case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID: | |
2722 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2723 | MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING); | |
2724 | break; | |
2725 | default: | |
2726 | pr_info(MPT3SAS_FMT | |
2727 | "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", | |
2728 | ioc->name, ioc->pdev->subsystem_device); | |
2729 | break; | |
2730 | } | |
d8eb4a47 | 2731 | break; |
989e43c7 SR |
2732 | case MPI25_MFGPAGE_DEVID_SAS3108_1: |
2733 | switch (ioc->pdev->subsystem_device) { | |
2734 | case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID: | |
2735 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
d8eb4a47 | 2736 | MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING); |
989e43c7 SR |
2737 | break; |
2738 | case MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID: | |
2739 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2740 | MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING | |
2741 | ); | |
2742 | break; | |
2743 | default: | |
2744 | pr_info(MPT3SAS_FMT | |
2745 | "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", | |
2746 | ioc->name, ioc->pdev->subsystem_device); | |
2747 | break; | |
2748 | } | |
38e4141e SR |
2749 | break; |
2750 | default: | |
2751 | pr_info(MPT3SAS_FMT | |
989e43c7 SR |
2752 | "Cisco SAS HBA: Subsystem ID: 0x%X\n", |
2753 | ioc->name, ioc->pdev->subsystem_device); | |
38e4141e SR |
2754 | break; |
2755 | } | |
2756 | break; | |
989e43c7 SR |
2757 | case MPT2SAS_HP_3PAR_SSVID: |
2758 | switch (ioc->pdev->device) { | |
2759 | case MPI2_MFGPAGE_DEVID_SAS2004: | |
2760 | switch (ioc->pdev->subsystem_device) { | |
2761 | case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: | |
2762 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2763 | MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); | |
2764 | break; | |
2765 | default: | |
2766 | pr_info(MPT3SAS_FMT | |
2767 | "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n", | |
2768 | ioc->name, ioc->pdev->subsystem_device); | |
2769 | break; | |
2770 | } | |
2771 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
2772 | switch (ioc->pdev->subsystem_device) { | |
2773 | case MPT2SAS_HP_2_4_INTERNAL_SSDID: | |
2774 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2775 | MPT2SAS_HP_2_4_INTERNAL_BRANDING); | |
2776 | break; | |
2777 | case MPT2SAS_HP_2_4_EXTERNAL_SSDID: | |
2778 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2779 | MPT2SAS_HP_2_4_EXTERNAL_BRANDING); | |
2780 | break; | |
2781 | case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: | |
2782 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2783 | MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); | |
2784 | break; | |
2785 | case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: | |
2786 | pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2787 | MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); | |
2788 | break; | |
2789 | default: | |
2790 | pr_info(MPT3SAS_FMT | |
2791 | "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n", | |
2792 | ioc->name, ioc->pdev->subsystem_device); | |
2793 | break; | |
2794 | } | |
d8eb4a47 SR |
2795 | default: |
2796 | pr_info(MPT3SAS_FMT | |
989e43c7 SR |
2797 | "HP SAS HBA: Subsystem ID: 0x%X\n", |
2798 | ioc->name, ioc->pdev->subsystem_device); | |
d8eb4a47 SR |
2799 | break; |
2800 | } | |
38e4141e | 2801 | default: |
38e4141e SR |
2802 | break; |
2803 | } | |
2804 | } | |
fb84dfc4 | 2805 | |
f92363d1 SR |
2806 | /** |
2807 | * _base_display_ioc_capabilities - Disply IOC's capabilities. | |
2808 | * @ioc: per adapter object | |
2809 | * | |
2810 | * Return nothing. | |
2811 | */ | |
2812 | static void | |
2813 | _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc) | |
2814 | { | |
2815 | int i = 0; | |
2816 | char desc[16]; | |
2817 | u32 iounit_pg1_flags; | |
2818 | u32 bios_version; | |
2819 | ||
2820 | bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
2821 | strncpy(desc, ioc->manu_pg0.ChipName, 16); | |
2822 | pr_info(MPT3SAS_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "\ | |
2823 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", | |
2824 | ioc->name, desc, | |
2825 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2826 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2827 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2828 | ioc->facts.FWVersion.Word & 0x000000FF, | |
2829 | ioc->pdev->revision, | |
2830 | (bios_version & 0xFF000000) >> 24, | |
2831 | (bios_version & 0x00FF0000) >> 16, | |
2832 | (bios_version & 0x0000FF00) >> 8, | |
2833 | bios_version & 0x000000FF); | |
2834 | ||
989e43c7 | 2835 | _base_display_OEMs_branding(ioc); |
1117b31a | 2836 | |
f92363d1 SR |
2837 | pr_info(MPT3SAS_FMT "Protocol=(", ioc->name); |
2838 | ||
2839 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { | |
2840 | pr_info("Initiator"); | |
2841 | i++; | |
2842 | } | |
2843 | ||
2844 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { | |
2845 | pr_info("%sTarget", i ? "," : ""); | |
2846 | i++; | |
2847 | } | |
2848 | ||
2849 | i = 0; | |
2850 | pr_info("), "); | |
2851 | pr_info("Capabilities=("); | |
2852 | ||
7786ab6a SR |
2853 | if (!ioc->hide_ir_msg) { |
2854 | if (ioc->facts.IOCCapabilities & | |
f92363d1 SR |
2855 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { |
2856 | pr_info("Raid"); | |
2857 | i++; | |
7786ab6a | 2858 | } |
f92363d1 SR |
2859 | } |
2860 | ||
2861 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { | |
2862 | pr_info("%sTLR", i ? "," : ""); | |
2863 | i++; | |
2864 | } | |
2865 | ||
2866 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { | |
2867 | pr_info("%sMulticast", i ? "," : ""); | |
2868 | i++; | |
2869 | } | |
2870 | ||
2871 | if (ioc->facts.IOCCapabilities & | |
2872 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { | |
2873 | pr_info("%sBIDI Target", i ? "," : ""); | |
2874 | i++; | |
2875 | } | |
2876 | ||
2877 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { | |
2878 | pr_info("%sEEDP", i ? "," : ""); | |
2879 | i++; | |
2880 | } | |
2881 | ||
2882 | if (ioc->facts.IOCCapabilities & | |
2883 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { | |
2884 | pr_info("%sSnapshot Buffer", i ? "," : ""); | |
2885 | i++; | |
2886 | } | |
2887 | ||
2888 | if (ioc->facts.IOCCapabilities & | |
2889 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { | |
2890 | pr_info("%sDiag Trace Buffer", i ? "," : ""); | |
2891 | i++; | |
2892 | } | |
2893 | ||
2894 | if (ioc->facts.IOCCapabilities & | |
2895 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { | |
2896 | pr_info("%sDiag Extended Buffer", i ? "," : ""); | |
2897 | i++; | |
2898 | } | |
2899 | ||
2900 | if (ioc->facts.IOCCapabilities & | |
2901 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { | |
2902 | pr_info("%sTask Set Full", i ? "," : ""); | |
2903 | i++; | |
2904 | } | |
2905 | ||
2906 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2907 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { | |
2908 | pr_info("%sNCQ", i ? "," : ""); | |
2909 | i++; | |
2910 | } | |
2911 | ||
2912 | pr_info(")\n"); | |
2913 | } | |
2914 | ||
2915 | /** | |
2916 | * mpt3sas_base_update_missing_delay - change the missing delay timers | |
2917 | * @ioc: per adapter object | |
2918 | * @device_missing_delay: amount of time till device is reported missing | |
2919 | * @io_missing_delay: interval IO is returned when there is a missing device | |
2920 | * | |
2921 | * Return nothing. | |
2922 | * | |
2923 | * Passed on the command line, this function will modify the device missing | |
2924 | * delay, as well as the io missing delay. This should be called at driver | |
2925 | * load time. | |
2926 | */ | |
2927 | void | |
2928 | mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc, | |
2929 | u16 device_missing_delay, u8 io_missing_delay) | |
2930 | { | |
2931 | u16 dmd, dmd_new, dmd_orignal; | |
2932 | u8 io_missing_delay_original; | |
2933 | u16 sz; | |
2934 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
2935 | Mpi2ConfigReply_t mpi_reply; | |
2936 | u8 num_phys = 0; | |
2937 | u16 ioc_status; | |
2938 | ||
2939 | mpt3sas_config_get_number_hba_phys(ioc, &num_phys); | |
2940 | if (!num_phys) | |
2941 | return; | |
2942 | ||
2943 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * | |
2944 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
2945 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
2946 | if (!sas_iounit_pg1) { | |
2947 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
2948 | ioc->name, __FILE__, __LINE__, __func__); | |
2949 | goto out; | |
2950 | } | |
2951 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
2952 | sas_iounit_pg1, sz))) { | |
2953 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
2954 | ioc->name, __FILE__, __LINE__, __func__); | |
2955 | goto out; | |
2956 | } | |
2957 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
2958 | MPI2_IOCSTATUS_MASK; | |
2959 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2960 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
2961 | ioc->name, __FILE__, __LINE__, __func__); | |
2962 | goto out; | |
2963 | } | |
2964 | ||
2965 | /* device missing delay */ | |
2966 | dmd = sas_iounit_pg1->ReportDeviceMissingDelay; | |
2967 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2968 | dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2969 | else | |
2970 | dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2971 | dmd_orignal = dmd; | |
2972 | if (device_missing_delay > 0x7F) { | |
2973 | dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : | |
2974 | device_missing_delay; | |
2975 | dmd = dmd / 16; | |
2976 | dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; | |
2977 | } else | |
2978 | dmd = device_missing_delay; | |
2979 | sas_iounit_pg1->ReportDeviceMissingDelay = dmd; | |
2980 | ||
2981 | /* io missing delay */ | |
2982 | io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; | |
2983 | sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; | |
2984 | ||
2985 | if (!mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
2986 | sz)) { | |
2987 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2988 | dmd_new = (dmd & | |
2989 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2990 | else | |
2991 | dmd_new = | |
2992 | dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2993 | pr_info(MPT3SAS_FMT "device_missing_delay: old(%d), new(%d)\n", | |
2994 | ioc->name, dmd_orignal, dmd_new); | |
2995 | pr_info(MPT3SAS_FMT "ioc_missing_delay: old(%d), new(%d)\n", | |
2996 | ioc->name, io_missing_delay_original, | |
2997 | io_missing_delay); | |
2998 | ioc->device_missing_delay = dmd_new; | |
2999 | ioc->io_missing_delay = io_missing_delay; | |
3000 | } | |
3001 | ||
3002 | out: | |
3003 | kfree(sas_iounit_pg1); | |
3004 | } | |
3005 | /** | |
3006 | * _base_static_config_pages - static start of day config pages | |
3007 | * @ioc: per adapter object | |
3008 | * | |
3009 | * Return nothing. | |
3010 | */ | |
3011 | static void | |
3012 | _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc) | |
3013 | { | |
3014 | Mpi2ConfigReply_t mpi_reply; | |
3015 | u32 iounit_pg1_flags; | |
3016 | ||
3017 | mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); | |
3018 | if (ioc->ir_firmware) | |
3019 | mpt3sas_config_get_manufacturing_pg10(ioc, &mpi_reply, | |
3020 | &ioc->manu_pg10); | |
3021 | ||
3022 | /* | |
3023 | * Ensure correct T10 PI operation if vendor left EEDPTagMode | |
3024 | * flag unset in NVDATA. | |
3025 | */ | |
3026 | mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply, &ioc->manu_pg11); | |
3027 | if (ioc->manu_pg11.EEDPTagMode == 0) { | |
3028 | pr_err("%s: overriding NVDATA EEDPTagMode setting\n", | |
3029 | ioc->name); | |
3030 | ioc->manu_pg11.EEDPTagMode &= ~0x3; | |
3031 | ioc->manu_pg11.EEDPTagMode |= 0x1; | |
3032 | mpt3sas_config_set_manufacturing_pg11(ioc, &mpi_reply, | |
3033 | &ioc->manu_pg11); | |
3034 | } | |
3035 | ||
3036 | mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); | |
3037 | mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); | |
3038 | mpt3sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); | |
3039 | mpt3sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); | |
3040 | mpt3sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
2d8ce8c9 | 3041 | mpt3sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8); |
f92363d1 SR |
3042 | _base_display_ioc_capabilities(ioc); |
3043 | ||
3044 | /* | |
3045 | * Enable task_set_full handling in iounit_pg1 when the | |
3046 | * facts capabilities indicate that its supported. | |
3047 | */ | |
3048 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
3049 | if ((ioc->facts.IOCCapabilities & | |
3050 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) | |
3051 | iounit_pg1_flags &= | |
3052 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
3053 | else | |
3054 | iounit_pg1_flags |= | |
3055 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
3056 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); | |
3057 | mpt3sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
2d8ce8c9 SR |
3058 | |
3059 | if (ioc->iounit_pg8.NumSensors) | |
3060 | ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors; | |
f92363d1 SR |
3061 | } |
3062 | ||
3063 | /** | |
3064 | * _base_release_memory_pools - release memory | |
3065 | * @ioc: per adapter object | |
3066 | * | |
3067 | * Free memory allocated from _base_allocate_memory_pools. | |
3068 | * | |
3069 | * Return nothing. | |
3070 | */ | |
3071 | static void | |
3072 | _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) | |
3073 | { | |
9b05c91a SR |
3074 | int i = 0; |
3075 | struct reply_post_struct *rps; | |
f92363d1 SR |
3076 | |
3077 | dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
3078 | __func__)); | |
3079 | ||
3080 | if (ioc->request) { | |
3081 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, | |
3082 | ioc->request, ioc->request_dma); | |
3083 | dexitprintk(ioc, pr_info(MPT3SAS_FMT | |
3084 | "request_pool(0x%p): free\n", | |
3085 | ioc->name, ioc->request)); | |
3086 | ioc->request = NULL; | |
3087 | } | |
3088 | ||
3089 | if (ioc->sense) { | |
3090 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); | |
3091 | if (ioc->sense_dma_pool) | |
3092 | pci_pool_destroy(ioc->sense_dma_pool); | |
3093 | dexitprintk(ioc, pr_info(MPT3SAS_FMT | |
3094 | "sense_pool(0x%p): free\n", | |
3095 | ioc->name, ioc->sense)); | |
3096 | ioc->sense = NULL; | |
3097 | } | |
3098 | ||
3099 | if (ioc->reply) { | |
3100 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); | |
3101 | if (ioc->reply_dma_pool) | |
3102 | pci_pool_destroy(ioc->reply_dma_pool); | |
3103 | dexitprintk(ioc, pr_info(MPT3SAS_FMT | |
3104 | "reply_pool(0x%p): free\n", | |
3105 | ioc->name, ioc->reply)); | |
3106 | ioc->reply = NULL; | |
3107 | } | |
3108 | ||
3109 | if (ioc->reply_free) { | |
3110 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, | |
3111 | ioc->reply_free_dma); | |
3112 | if (ioc->reply_free_dma_pool) | |
3113 | pci_pool_destroy(ioc->reply_free_dma_pool); | |
3114 | dexitprintk(ioc, pr_info(MPT3SAS_FMT | |
3115 | "reply_free_pool(0x%p): free\n", | |
3116 | ioc->name, ioc->reply_free)); | |
3117 | ioc->reply_free = NULL; | |
3118 | } | |
3119 | ||
9b05c91a SR |
3120 | if (ioc->reply_post) { |
3121 | do { | |
3122 | rps = &ioc->reply_post[i]; | |
3123 | if (rps->reply_post_free) { | |
3124 | pci_pool_free( | |
3125 | ioc->reply_post_free_dma_pool, | |
3126 | rps->reply_post_free, | |
3127 | rps->reply_post_free_dma); | |
3128 | dexitprintk(ioc, pr_info(MPT3SAS_FMT | |
3129 | "reply_post_free_pool(0x%p): free\n", | |
3130 | ioc->name, rps->reply_post_free)); | |
3131 | rps->reply_post_free = NULL; | |
3132 | } | |
3133 | } while (ioc->rdpq_array_enable && | |
3134 | (++i < ioc->reply_queue_count)); | |
3135 | ||
f92363d1 SR |
3136 | if (ioc->reply_post_free_dma_pool) |
3137 | pci_pool_destroy(ioc->reply_post_free_dma_pool); | |
9b05c91a | 3138 | kfree(ioc->reply_post); |
f92363d1 SR |
3139 | } |
3140 | ||
3141 | if (ioc->config_page) { | |
3142 | dexitprintk(ioc, pr_info(MPT3SAS_FMT | |
3143 | "config_page(0x%p): free\n", ioc->name, | |
3144 | ioc->config_page)); | |
3145 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, | |
3146 | ioc->config_page, ioc->config_page_dma); | |
3147 | } | |
3148 | ||
3149 | if (ioc->scsi_lookup) { | |
3150 | free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); | |
3151 | ioc->scsi_lookup = NULL; | |
3152 | } | |
3153 | kfree(ioc->hpr_lookup); | |
3154 | kfree(ioc->internal_lookup); | |
3155 | if (ioc->chain_lookup) { | |
3156 | for (i = 0; i < ioc->chain_depth; i++) { | |
3157 | if (ioc->chain_lookup[i].chain_buffer) | |
3158 | pci_pool_free(ioc->chain_dma_pool, | |
3159 | ioc->chain_lookup[i].chain_buffer, | |
3160 | ioc->chain_lookup[i].chain_buffer_dma); | |
3161 | } | |
3162 | if (ioc->chain_dma_pool) | |
3163 | pci_pool_destroy(ioc->chain_dma_pool); | |
3164 | free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); | |
3165 | ioc->chain_lookup = NULL; | |
3166 | } | |
3167 | } | |
3168 | ||
3169 | /** | |
3170 | * _base_allocate_memory_pools - allocate start of day memory pools | |
3171 | * @ioc: per adapter object | |
3172 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3173 | * | |
3174 | * Returns 0 success, anything else error | |
3175 | */ | |
3176 | static int | |
3177 | _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
3178 | { | |
3179 | struct mpt3sas_facts *facts; | |
3180 | u16 max_sge_elements; | |
3181 | u16 chains_needed_per_io; | |
3182 | u32 sz, total_sz, reply_post_free_sz; | |
3183 | u32 retry_sz; | |
3184 | u16 max_request_credit; | |
3185 | unsigned short sg_tablesize; | |
3186 | u16 sge_size; | |
3187 | int i; | |
3188 | ||
3189 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
3190 | __func__)); | |
3191 | ||
3192 | ||
3193 | retry_sz = 0; | |
3194 | facts = &ioc->facts; | |
3195 | ||
3196 | /* command line tunables for max sgl entries */ | |
3197 | if (max_sgl_entries != -1) | |
3198 | sg_tablesize = max_sgl_entries; | |
471ef9d4 SR |
3199 | else { |
3200 | if (ioc->hba_mpi_version_belonged == MPI2_VERSION) | |
3201 | sg_tablesize = MPT2SAS_SG_DEPTH; | |
3202 | else | |
3203 | sg_tablesize = MPT3SAS_SG_DEPTH; | |
3204 | } | |
f92363d1 | 3205 | |
8a7e4c24 SR |
3206 | if (sg_tablesize < MPT_MIN_PHYS_SEGMENTS) |
3207 | sg_tablesize = MPT_MIN_PHYS_SEGMENTS; | |
3208 | else if (sg_tablesize > MPT_MAX_PHYS_SEGMENTS) { | |
ad666a0f SR |
3209 | sg_tablesize = min_t(unsigned short, sg_tablesize, |
3210 | SCSI_MAX_SG_CHAIN_SEGMENTS); | |
3211 | pr_warn(MPT3SAS_FMT | |
3212 | "sg_tablesize(%u) is bigger than kernel" | |
3213 | " defined SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name, | |
8a7e4c24 | 3214 | sg_tablesize, MPT_MAX_PHYS_SEGMENTS); |
ad666a0f | 3215 | } |
f92363d1 SR |
3216 | ioc->shost->sg_tablesize = sg_tablesize; |
3217 | ||
fd0331b3 SS |
3218 | ioc->internal_depth = min_t(int, (facts->HighPriorityCredit + (5)), |
3219 | (facts->RequestCredit / 4)); | |
3220 | if (ioc->internal_depth < INTERNAL_CMDS_COUNT) { | |
3221 | if (facts->RequestCredit <= (INTERNAL_CMDS_COUNT + | |
3222 | INTERNAL_SCSIIO_CMDS_COUNT)) { | |
3223 | pr_err(MPT3SAS_FMT "IOC doesn't have enough Request \ | |
3224 | Credits, it has just %d number of credits\n", | |
3225 | ioc->name, facts->RequestCredit); | |
3226 | return -ENOMEM; | |
3227 | } | |
3228 | ioc->internal_depth = 10; | |
3229 | } | |
3230 | ||
3231 | ioc->hi_priority_depth = ioc->internal_depth - (5); | |
f92363d1 SR |
3232 | /* command line tunables for max controller queue depth */ |
3233 | if (max_queue_depth != -1 && max_queue_depth != 0) { | |
3234 | max_request_credit = min_t(u16, max_queue_depth + | |
fd0331b3 | 3235 | ioc->internal_depth, facts->RequestCredit); |
f92363d1 SR |
3236 | if (max_request_credit > MAX_HBA_QUEUE_DEPTH) |
3237 | max_request_credit = MAX_HBA_QUEUE_DEPTH; | |
3238 | } else | |
3239 | max_request_credit = min_t(u16, facts->RequestCredit, | |
3240 | MAX_HBA_QUEUE_DEPTH); | |
3241 | ||
fd0331b3 SS |
3242 | /* Firmware maintains additional facts->HighPriorityCredit number of |
3243 | * credits for HiPriprity Request messages, so hba queue depth will be | |
3244 | * sum of max_request_credit and high priority queue depth. | |
3245 | */ | |
3246 | ioc->hba_queue_depth = max_request_credit + ioc->hi_priority_depth; | |
f92363d1 SR |
3247 | |
3248 | /* request frame size */ | |
3249 | ioc->request_sz = facts->IOCRequestFrameSize * 4; | |
3250 | ||
3251 | /* reply frame size */ | |
3252 | ioc->reply_sz = facts->ReplyFrameSize * 4; | |
3253 | ||
ebb3024e SS |
3254 | /* chain segment size */ |
3255 | if (ioc->hba_mpi_version_belonged != MPI2_VERSION) { | |
3256 | if (facts->IOCMaxChainSegmentSize) | |
3257 | ioc->chain_segment_sz = | |
3258 | facts->IOCMaxChainSegmentSize * | |
3259 | MAX_CHAIN_ELEMT_SZ; | |
3260 | else | |
3261 | /* set to 128 bytes size if IOCMaxChainSegmentSize is zero */ | |
3262 | ioc->chain_segment_sz = DEFAULT_NUM_FWCHAIN_ELEMTS * | |
3263 | MAX_CHAIN_ELEMT_SZ; | |
3264 | } else | |
3265 | ioc->chain_segment_sz = ioc->request_sz; | |
3266 | ||
f92363d1 SR |
3267 | /* calculate the max scatter element size */ |
3268 | sge_size = max_t(u16, ioc->sge_size, ioc->sge_size_ieee); | |
3269 | ||
3270 | retry_allocation: | |
3271 | total_sz = 0; | |
3272 | /* calculate number of sg elements left over in the 1st frame */ | |
3273 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - | |
3274 | sizeof(Mpi2SGEIOUnion_t)) + sge_size); | |
3275 | ioc->max_sges_in_main_message = max_sge_elements/sge_size; | |
3276 | ||
3277 | /* now do the same for a chain buffer */ | |
ebb3024e | 3278 | max_sge_elements = ioc->chain_segment_sz - sge_size; |
f92363d1 SR |
3279 | ioc->max_sges_in_chain_message = max_sge_elements/sge_size; |
3280 | ||
3281 | /* | |
3282 | * MPT3SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE | |
3283 | */ | |
3284 | chains_needed_per_io = ((ioc->shost->sg_tablesize - | |
3285 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) | |
3286 | + 1; | |
3287 | if (chains_needed_per_io > facts->MaxChainDepth) { | |
3288 | chains_needed_per_io = facts->MaxChainDepth; | |
3289 | ioc->shost->sg_tablesize = min_t(u16, | |
3290 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message | |
3291 | * chains_needed_per_io), ioc->shost->sg_tablesize); | |
3292 | } | |
3293 | ioc->chains_needed_per_io = chains_needed_per_io; | |
3294 | ||
3295 | /* reply free queue sizing - taking into account for 64 FW events */ | |
3296 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; | |
3297 | ||
3298 | /* calculate reply descriptor post queue depth */ | |
3299 | ioc->reply_post_queue_depth = ioc->hba_queue_depth + | |
3300 | ioc->reply_free_queue_depth + 1 ; | |
3301 | /* align the reply post queue on the next 16 count boundary */ | |
3302 | if (ioc->reply_post_queue_depth % 16) | |
3303 | ioc->reply_post_queue_depth += 16 - | |
3304 | (ioc->reply_post_queue_depth % 16); | |
3305 | ||
f92363d1 SR |
3306 | if (ioc->reply_post_queue_depth > |
3307 | facts->MaxReplyDescriptorPostQueueDepth) { | |
3308 | ioc->reply_post_queue_depth = | |
3309 | facts->MaxReplyDescriptorPostQueueDepth - | |
3310 | (facts->MaxReplyDescriptorPostQueueDepth % 16); | |
3311 | ioc->hba_queue_depth = | |
3312 | ((ioc->reply_post_queue_depth - 64) / 2) - 1; | |
3313 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; | |
3314 | } | |
3315 | ||
3316 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "scatter gather: " \ | |
3317 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " | |
3318 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, | |
3319 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, | |
3320 | ioc->chains_needed_per_io)); | |
3321 | ||
9b05c91a SR |
3322 | /* reply post queue, 16 byte align */ |
3323 | reply_post_free_sz = ioc->reply_post_queue_depth * | |
3324 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
3325 | ||
3326 | sz = reply_post_free_sz; | |
3327 | if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable) | |
3328 | sz *= ioc->reply_queue_count; | |
3329 | ||
3330 | ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ? | |
3331 | (ioc->reply_queue_count):1, | |
3332 | sizeof(struct reply_post_struct), GFP_KERNEL); | |
3333 | ||
3334 | if (!ioc->reply_post) { | |
3335 | pr_err(MPT3SAS_FMT "reply_post_free pool: kcalloc failed\n", | |
3336 | ioc->name); | |
3337 | goto out; | |
3338 | } | |
3339 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", | |
3340 | ioc->pdev, sz, 16, 0); | |
3341 | if (!ioc->reply_post_free_dma_pool) { | |
3342 | pr_err(MPT3SAS_FMT | |
3343 | "reply_post_free pool: pci_pool_create failed\n", | |
3344 | ioc->name); | |
3345 | goto out; | |
3346 | } | |
3347 | i = 0; | |
3348 | do { | |
3349 | ioc->reply_post[i].reply_post_free = | |
3350 | pci_pool_alloc(ioc->reply_post_free_dma_pool, | |
3351 | GFP_KERNEL, | |
3352 | &ioc->reply_post[i].reply_post_free_dma); | |
3353 | if (!ioc->reply_post[i].reply_post_free) { | |
3354 | pr_err(MPT3SAS_FMT | |
3355 | "reply_post_free pool: pci_pool_alloc failed\n", | |
3356 | ioc->name); | |
3357 | goto out; | |
3358 | } | |
3359 | memset(ioc->reply_post[i].reply_post_free, 0, sz); | |
3360 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3361 | "reply post free pool (0x%p): depth(%d)," | |
3362 | "element_size(%d), pool_size(%d kB)\n", ioc->name, | |
3363 | ioc->reply_post[i].reply_post_free, | |
3364 | ioc->reply_post_queue_depth, 8, sz/1024)); | |
3365 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3366 | "reply_post_free_dma = (0x%llx)\n", ioc->name, | |
3367 | (unsigned long long) | |
3368 | ioc->reply_post[i].reply_post_free_dma)); | |
3369 | total_sz += sz; | |
3370 | } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); | |
3371 | ||
3372 | if (ioc->dma_mask == 64) { | |
3373 | if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { | |
3374 | pr_warn(MPT3SAS_FMT | |
3375 | "no suitable consistent DMA mask for %s\n", | |
3376 | ioc->name, pci_name(ioc->pdev)); | |
3377 | goto out; | |
3378 | } | |
3379 | } | |
3380 | ||
f92363d1 SR |
3381 | ioc->scsiio_depth = ioc->hba_queue_depth - |
3382 | ioc->hi_priority_depth - ioc->internal_depth; | |
3383 | ||
3384 | /* set the scsi host can_queue depth | |
3385 | * with some internal commands that could be outstanding | |
3386 | */ | |
fd0331b3 | 3387 | ioc->shost->can_queue = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT; |
f92363d1 SR |
3388 | dinitprintk(ioc, pr_info(MPT3SAS_FMT |
3389 | "scsi host: can_queue depth (%d)\n", | |
3390 | ioc->name, ioc->shost->can_queue)); | |
3391 | ||
3392 | ||
3393 | /* contiguous pool for request and chains, 16 byte align, one extra " | |
3394 | * "frame for smid=0 | |
3395 | */ | |
3396 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; | |
3397 | sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); | |
3398 | ||
3399 | /* hi-priority queue */ | |
3400 | sz += (ioc->hi_priority_depth * ioc->request_sz); | |
3401 | ||
3402 | /* internal queue */ | |
3403 | sz += (ioc->internal_depth * ioc->request_sz); | |
3404 | ||
3405 | ioc->request_dma_sz = sz; | |
3406 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); | |
3407 | if (!ioc->request) { | |
3408 | pr_err(MPT3SAS_FMT "request pool: pci_alloc_consistent " \ | |
3409 | "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " | |
3410 | "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, | |
3411 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); | |
3412 | if (ioc->scsiio_depth < MPT3SAS_SAS_QUEUE_DEPTH) | |
3413 | goto out; | |
fd0331b3 SS |
3414 | retry_sz = 64; |
3415 | ioc->hba_queue_depth -= retry_sz; | |
8ff045c9 | 3416 | _base_release_memory_pools(ioc); |
f92363d1 SR |
3417 | goto retry_allocation; |
3418 | } | |
3419 | ||
3420 | if (retry_sz) | |
3421 | pr_err(MPT3SAS_FMT "request pool: pci_alloc_consistent " \ | |
3422 | "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " | |
3423 | "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, | |
3424 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); | |
3425 | ||
3426 | /* hi-priority queue */ | |
3427 | ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * | |
3428 | ioc->request_sz); | |
3429 | ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * | |
3430 | ioc->request_sz); | |
3431 | ||
3432 | /* internal queue */ | |
3433 | ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * | |
3434 | ioc->request_sz); | |
3435 | ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * | |
3436 | ioc->request_sz); | |
3437 | ||
3438 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3439 | "request pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n", | |
3440 | ioc->name, ioc->request, ioc->hba_queue_depth, ioc->request_sz, | |
3441 | (ioc->hba_queue_depth * ioc->request_sz)/1024)); | |
3442 | ||
3443 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "request pool: dma(0x%llx)\n", | |
3444 | ioc->name, (unsigned long long) ioc->request_dma)); | |
3445 | total_sz += sz; | |
3446 | ||
3447 | sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); | |
3448 | ioc->scsi_lookup_pages = get_order(sz); | |
3449 | ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( | |
3450 | GFP_KERNEL, ioc->scsi_lookup_pages); | |
3451 | if (!ioc->scsi_lookup) { | |
3452 | pr_err(MPT3SAS_FMT "scsi_lookup: get_free_pages failed, sz(%d)\n", | |
3453 | ioc->name, (int)sz); | |
3454 | goto out; | |
3455 | } | |
3456 | ||
3457 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "scsiio(0x%p): depth(%d)\n", | |
3458 | ioc->name, ioc->request, ioc->scsiio_depth)); | |
3459 | ||
3460 | ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); | |
3461 | sz = ioc->chain_depth * sizeof(struct chain_tracker); | |
3462 | ioc->chain_pages = get_order(sz); | |
3463 | ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( | |
3464 | GFP_KERNEL, ioc->chain_pages); | |
3465 | if (!ioc->chain_lookup) { | |
3466 | pr_err(MPT3SAS_FMT "chain_lookup: __get_free_pages failed\n", | |
3467 | ioc->name); | |
3468 | goto out; | |
3469 | } | |
3470 | ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, | |
ebb3024e | 3471 | ioc->chain_segment_sz, 16, 0); |
f92363d1 SR |
3472 | if (!ioc->chain_dma_pool) { |
3473 | pr_err(MPT3SAS_FMT "chain_dma_pool: pci_pool_create failed\n", | |
3474 | ioc->name); | |
3475 | goto out; | |
3476 | } | |
3477 | for (i = 0; i < ioc->chain_depth; i++) { | |
3478 | ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( | |
3479 | ioc->chain_dma_pool , GFP_KERNEL, | |
3480 | &ioc->chain_lookup[i].chain_buffer_dma); | |
3481 | if (!ioc->chain_lookup[i].chain_buffer) { | |
3482 | ioc->chain_depth = i; | |
3483 | goto chain_done; | |
3484 | } | |
ebb3024e | 3485 | total_sz += ioc->chain_segment_sz; |
f92363d1 SR |
3486 | } |
3487 | chain_done: | |
3488 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3489 | "chain pool depth(%d), frame_size(%d), pool_size(%d kB)\n", | |
ebb3024e SS |
3490 | ioc->name, ioc->chain_depth, ioc->chain_segment_sz, |
3491 | ((ioc->chain_depth * ioc->chain_segment_sz))/1024)); | |
f92363d1 SR |
3492 | |
3493 | /* initialize hi-priority queue smid's */ | |
3494 | ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, | |
3495 | sizeof(struct request_tracker), GFP_KERNEL); | |
3496 | if (!ioc->hpr_lookup) { | |
3497 | pr_err(MPT3SAS_FMT "hpr_lookup: kcalloc failed\n", | |
3498 | ioc->name); | |
3499 | goto out; | |
3500 | } | |
3501 | ioc->hi_priority_smid = ioc->scsiio_depth + 1; | |
3502 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3503 | "hi_priority(0x%p): depth(%d), start smid(%d)\n", | |
3504 | ioc->name, ioc->hi_priority, | |
3505 | ioc->hi_priority_depth, ioc->hi_priority_smid)); | |
3506 | ||
3507 | /* initialize internal queue smid's */ | |
3508 | ioc->internal_lookup = kcalloc(ioc->internal_depth, | |
3509 | sizeof(struct request_tracker), GFP_KERNEL); | |
3510 | if (!ioc->internal_lookup) { | |
3511 | pr_err(MPT3SAS_FMT "internal_lookup: kcalloc failed\n", | |
3512 | ioc->name); | |
3513 | goto out; | |
3514 | } | |
3515 | ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; | |
3516 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3517 | "internal(0x%p): depth(%d), start smid(%d)\n", | |
3518 | ioc->name, ioc->internal, | |
3519 | ioc->internal_depth, ioc->internal_smid)); | |
3520 | ||
3521 | /* sense buffers, 4 byte align */ | |
3522 | sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; | |
3523 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, | |
3524 | 0); | |
3525 | if (!ioc->sense_dma_pool) { | |
3526 | pr_err(MPT3SAS_FMT "sense pool: pci_pool_create failed\n", | |
3527 | ioc->name); | |
3528 | goto out; | |
3529 | } | |
3530 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, | |
3531 | &ioc->sense_dma); | |
3532 | if (!ioc->sense) { | |
3533 | pr_err(MPT3SAS_FMT "sense pool: pci_pool_alloc failed\n", | |
3534 | ioc->name); | |
3535 | goto out; | |
3536 | } | |
3537 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3538 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" | |
3539 | "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, | |
3540 | SCSI_SENSE_BUFFERSIZE, sz/1024)); | |
3541 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "sense_dma(0x%llx)\n", | |
3542 | ioc->name, (unsigned long long)ioc->sense_dma)); | |
3543 | total_sz += sz; | |
3544 | ||
3545 | /* reply pool, 4 byte align */ | |
3546 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; | |
3547 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, | |
3548 | 0); | |
3549 | if (!ioc->reply_dma_pool) { | |
3550 | pr_err(MPT3SAS_FMT "reply pool: pci_pool_create failed\n", | |
3551 | ioc->name); | |
3552 | goto out; | |
3553 | } | |
3554 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, | |
3555 | &ioc->reply_dma); | |
3556 | if (!ioc->reply) { | |
3557 | pr_err(MPT3SAS_FMT "reply pool: pci_pool_alloc failed\n", | |
3558 | ioc->name); | |
3559 | goto out; | |
3560 | } | |
3561 | ioc->reply_dma_min_address = (u32)(ioc->reply_dma); | |
3562 | ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; | |
3563 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3564 | "reply pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n", | |
3565 | ioc->name, ioc->reply, | |
3566 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); | |
3567 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "reply_dma(0x%llx)\n", | |
3568 | ioc->name, (unsigned long long)ioc->reply_dma)); | |
3569 | total_sz += sz; | |
3570 | ||
3571 | /* reply free queue, 16 byte align */ | |
3572 | sz = ioc->reply_free_queue_depth * 4; | |
3573 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", | |
3574 | ioc->pdev, sz, 16, 0); | |
3575 | if (!ioc->reply_free_dma_pool) { | |
3576 | pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_create failed\n", | |
3577 | ioc->name); | |
3578 | goto out; | |
3579 | } | |
3580 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, | |
3581 | &ioc->reply_free_dma); | |
3582 | if (!ioc->reply_free) { | |
3583 | pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_alloc failed\n", | |
3584 | ioc->name); | |
3585 | goto out; | |
3586 | } | |
3587 | memset(ioc->reply_free, 0, sz); | |
3588 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "reply_free pool(0x%p): " \ | |
3589 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, | |
3590 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); | |
3591 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3592 | "reply_free_dma (0x%llx)\n", | |
3593 | ioc->name, (unsigned long long)ioc->reply_free_dma)); | |
3594 | total_sz += sz; | |
3595 | ||
f92363d1 SR |
3596 | ioc->config_page_sz = 512; |
3597 | ioc->config_page = pci_alloc_consistent(ioc->pdev, | |
3598 | ioc->config_page_sz, &ioc->config_page_dma); | |
3599 | if (!ioc->config_page) { | |
3600 | pr_err(MPT3SAS_FMT | |
3601 | "config page: pci_pool_alloc failed\n", | |
3602 | ioc->name); | |
3603 | goto out; | |
3604 | } | |
3605 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
3606 | "config page(0x%p): size(%d)\n", | |
3607 | ioc->name, ioc->config_page, ioc->config_page_sz)); | |
3608 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "config_page_dma(0x%llx)\n", | |
3609 | ioc->name, (unsigned long long)ioc->config_page_dma)); | |
3610 | total_sz += ioc->config_page_sz; | |
3611 | ||
3612 | pr_info(MPT3SAS_FMT "Allocated physical memory: size(%d kB)\n", | |
3613 | ioc->name, total_sz/1024); | |
3614 | pr_info(MPT3SAS_FMT | |
3615 | "Current Controller Queue Depth(%d),Max Controller Queue Depth(%d)\n", | |
3616 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); | |
3617 | pr_info(MPT3SAS_FMT "Scatter Gather Elements per IO(%d)\n", | |
3618 | ioc->name, ioc->shost->sg_tablesize); | |
3619 | return 0; | |
3620 | ||
3621 | out: | |
3622 | return -ENOMEM; | |
3623 | } | |
3624 | ||
3625 | /** | |
3626 | * mpt3sas_base_get_iocstate - Get the current state of a MPT adapter. | |
3627 | * @ioc: Pointer to MPT_ADAPTER structure | |
3628 | * @cooked: Request raw or cooked IOC state | |
3629 | * | |
3630 | * Returns all IOC Doorbell register bits if cooked==0, else just the | |
3631 | * Doorbell bits in MPI_IOC_STATE_MASK. | |
3632 | */ | |
3633 | u32 | |
3634 | mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked) | |
3635 | { | |
3636 | u32 s, sc; | |
3637 | ||
3638 | s = readl(&ioc->chip->Doorbell); | |
3639 | sc = s & MPI2_IOC_STATE_MASK; | |
3640 | return cooked ? sc : s; | |
3641 | } | |
3642 | ||
3643 | /** | |
3644 | * _base_wait_on_iocstate - waiting on a particular ioc state | |
3645 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } | |
3646 | * @timeout: timeout in second | |
3647 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3648 | * | |
3649 | * Returns 0 for success, non-zero for failure. | |
3650 | */ | |
3651 | static int | |
3652 | _base_wait_on_iocstate(struct MPT3SAS_ADAPTER *ioc, u32 ioc_state, int timeout, | |
3653 | int sleep_flag) | |
3654 | { | |
3655 | u32 count, cntdn; | |
3656 | u32 current_state; | |
3657 | ||
3658 | count = 0; | |
3659 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
3660 | do { | |
3661 | current_state = mpt3sas_base_get_iocstate(ioc, 1); | |
3662 | if (current_state == ioc_state) | |
3663 | return 0; | |
3664 | if (count && current_state == MPI2_IOC_STATE_FAULT) | |
3665 | break; | |
3666 | if (sleep_flag == CAN_SLEEP) | |
3667 | usleep_range(1000, 1500); | |
3668 | else | |
3669 | udelay(500); | |
3670 | count++; | |
3671 | } while (--cntdn); | |
3672 | ||
3673 | return current_state; | |
3674 | } | |
3675 | ||
3676 | /** | |
3677 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by | |
3678 | * a write to the doorbell) | |
3679 | * @ioc: per adapter object | |
3680 | * @timeout: timeout in second | |
3681 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3682 | * | |
3683 | * Returns 0 for success, non-zero for failure. | |
3684 | * | |
3685 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. | |
3686 | */ | |
4dc8c808 SR |
3687 | static int |
3688 | _base_diag_reset(struct MPT3SAS_ADAPTER *ioc, int sleep_flag); | |
3689 | ||
f92363d1 SR |
3690 | static int |
3691 | _base_wait_for_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout, | |
3692 | int sleep_flag) | |
3693 | { | |
3694 | u32 cntdn, count; | |
3695 | u32 int_status; | |
3696 | ||
3697 | count = 0; | |
3698 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
3699 | do { | |
3700 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
3701 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
3702 | dhsprintk(ioc, pr_info(MPT3SAS_FMT | |
3703 | "%s: successful count(%d), timeout(%d)\n", | |
3704 | ioc->name, __func__, count, timeout)); | |
3705 | return 0; | |
3706 | } | |
3707 | if (sleep_flag == CAN_SLEEP) | |
3708 | usleep_range(1000, 1500); | |
3709 | else | |
3710 | udelay(500); | |
3711 | count++; | |
3712 | } while (--cntdn); | |
3713 | ||
3714 | pr_err(MPT3SAS_FMT | |
3715 | "%s: failed due to timeout count(%d), int_status(%x)!\n", | |
3716 | ioc->name, __func__, count, int_status); | |
3717 | return -EFAULT; | |
3718 | } | |
3719 | ||
3720 | /** | |
3721 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. | |
3722 | * @ioc: per adapter object | |
3723 | * @timeout: timeout in second | |
3724 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3725 | * | |
3726 | * Returns 0 for success, non-zero for failure. | |
3727 | * | |
3728 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to | |
3729 | * doorbell. | |
3730 | */ | |
3731 | static int | |
3732 | _base_wait_for_doorbell_ack(struct MPT3SAS_ADAPTER *ioc, int timeout, | |
3733 | int sleep_flag) | |
3734 | { | |
3735 | u32 cntdn, count; | |
3736 | u32 int_status; | |
3737 | u32 doorbell; | |
3738 | ||
3739 | count = 0; | |
3740 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
3741 | do { | |
3742 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
3743 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { | |
3744 | dhsprintk(ioc, pr_info(MPT3SAS_FMT | |
3745 | "%s: successful count(%d), timeout(%d)\n", | |
3746 | ioc->name, __func__, count, timeout)); | |
3747 | return 0; | |
3748 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
3749 | doorbell = readl(&ioc->chip->Doorbell); | |
3750 | if ((doorbell & MPI2_IOC_STATE_MASK) == | |
3751 | MPI2_IOC_STATE_FAULT) { | |
3752 | mpt3sas_base_fault_info(ioc , doorbell); | |
3753 | return -EFAULT; | |
3754 | } | |
3755 | } else if (int_status == 0xFFFFFFFF) | |
3756 | goto out; | |
3757 | ||
3758 | if (sleep_flag == CAN_SLEEP) | |
3759 | usleep_range(1000, 1500); | |
3760 | else | |
3761 | udelay(500); | |
3762 | count++; | |
3763 | } while (--cntdn); | |
3764 | ||
3765 | out: | |
3766 | pr_err(MPT3SAS_FMT | |
3767 | "%s: failed due to timeout count(%d), int_status(%x)!\n", | |
3768 | ioc->name, __func__, count, int_status); | |
3769 | return -EFAULT; | |
3770 | } | |
3771 | ||
3772 | /** | |
3773 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use | |
3774 | * @ioc: per adapter object | |
3775 | * @timeout: timeout in second | |
3776 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3777 | * | |
3778 | * Returns 0 for success, non-zero for failure. | |
3779 | * | |
3780 | */ | |
3781 | static int | |
3782 | _base_wait_for_doorbell_not_used(struct MPT3SAS_ADAPTER *ioc, int timeout, | |
3783 | int sleep_flag) | |
3784 | { | |
3785 | u32 cntdn, count; | |
3786 | u32 doorbell_reg; | |
3787 | ||
3788 | count = 0; | |
3789 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
3790 | do { | |
3791 | doorbell_reg = readl(&ioc->chip->Doorbell); | |
3792 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { | |
3793 | dhsprintk(ioc, pr_info(MPT3SAS_FMT | |
3794 | "%s: successful count(%d), timeout(%d)\n", | |
3795 | ioc->name, __func__, count, timeout)); | |
3796 | return 0; | |
3797 | } | |
3798 | if (sleep_flag == CAN_SLEEP) | |
3799 | usleep_range(1000, 1500); | |
3800 | else | |
3801 | udelay(500); | |
3802 | count++; | |
3803 | } while (--cntdn); | |
3804 | ||
3805 | pr_err(MPT3SAS_FMT | |
3806 | "%s: failed due to timeout count(%d), doorbell_reg(%x)!\n", | |
3807 | ioc->name, __func__, count, doorbell_reg); | |
3808 | return -EFAULT; | |
3809 | } | |
3810 | ||
3811 | /** | |
3812 | * _base_send_ioc_reset - send doorbell reset | |
3813 | * @ioc: per adapter object | |
3814 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
3815 | * @timeout: timeout in second | |
3816 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3817 | * | |
3818 | * Returns 0 for success, non-zero for failure. | |
3819 | */ | |
3820 | static int | |
3821 | _base_send_ioc_reset(struct MPT3SAS_ADAPTER *ioc, u8 reset_type, int timeout, | |
3822 | int sleep_flag) | |
3823 | { | |
3824 | u32 ioc_state; | |
3825 | int r = 0; | |
3826 | ||
3827 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { | |
3828 | pr_err(MPT3SAS_FMT "%s: unknown reset_type\n", | |
3829 | ioc->name, __func__); | |
3830 | return -EFAULT; | |
3831 | } | |
3832 | ||
3833 | if (!(ioc->facts.IOCCapabilities & | |
3834 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) | |
3835 | return -EFAULT; | |
3836 | ||
3837 | pr_info(MPT3SAS_FMT "sending message unit reset !!\n", ioc->name); | |
3838 | ||
3839 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, | |
3840 | &ioc->chip->Doorbell); | |
3841 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { | |
3842 | r = -EFAULT; | |
3843 | goto out; | |
3844 | } | |
3845 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
3846 | timeout, sleep_flag); | |
3847 | if (ioc_state) { | |
3848 | pr_err(MPT3SAS_FMT | |
3849 | "%s: failed going to ready state (ioc_state=0x%x)\n", | |
3850 | ioc->name, __func__, ioc_state); | |
3851 | r = -EFAULT; | |
3852 | goto out; | |
3853 | } | |
3854 | out: | |
3855 | pr_info(MPT3SAS_FMT "message unit reset: %s\n", | |
3856 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
3857 | return r; | |
3858 | } | |
3859 | ||
3860 | /** | |
3861 | * _base_handshake_req_reply_wait - send request thru doorbell interface | |
3862 | * @ioc: per adapter object | |
3863 | * @request_bytes: request length | |
3864 | * @request: pointer having request payload | |
3865 | * @reply_bytes: reply length | |
3866 | * @reply: pointer to reply payload | |
3867 | * @timeout: timeout in second | |
3868 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3869 | * | |
3870 | * Returns 0 for success, non-zero for failure. | |
3871 | */ | |
3872 | static int | |
3873 | _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes, | |
3874 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) | |
3875 | { | |
3876 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; | |
3877 | int i; | |
3878 | u8 failed; | |
3879 | u16 dummy; | |
3880 | __le32 *mfp; | |
3881 | ||
3882 | /* make sure doorbell is not in use */ | |
3883 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { | |
3884 | pr_err(MPT3SAS_FMT | |
3885 | "doorbell is in use (line=%d)\n", | |
3886 | ioc->name, __LINE__); | |
3887 | return -EFAULT; | |
3888 | } | |
3889 | ||
3890 | /* clear pending doorbell interrupts from previous state changes */ | |
3891 | if (readl(&ioc->chip->HostInterruptStatus) & | |
3892 | MPI2_HIS_IOC2SYS_DB_STATUS) | |
3893 | writel(0, &ioc->chip->HostInterruptStatus); | |
3894 | ||
3895 | /* send message to ioc */ | |
3896 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | | |
3897 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), | |
3898 | &ioc->chip->Doorbell); | |
3899 | ||
3900 | if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { | |
3901 | pr_err(MPT3SAS_FMT | |
3902 | "doorbell handshake int failed (line=%d)\n", | |
3903 | ioc->name, __LINE__); | |
3904 | return -EFAULT; | |
3905 | } | |
3906 | writel(0, &ioc->chip->HostInterruptStatus); | |
3907 | ||
3908 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { | |
3909 | pr_err(MPT3SAS_FMT | |
3910 | "doorbell handshake ack failed (line=%d)\n", | |
3911 | ioc->name, __LINE__); | |
3912 | return -EFAULT; | |
3913 | } | |
3914 | ||
3915 | /* send message 32-bits at a time */ | |
3916 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { | |
3917 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); | |
3918 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) | |
3919 | failed = 1; | |
3920 | } | |
3921 | ||
3922 | if (failed) { | |
3923 | pr_err(MPT3SAS_FMT | |
3924 | "doorbell handshake sending request failed (line=%d)\n", | |
3925 | ioc->name, __LINE__); | |
3926 | return -EFAULT; | |
3927 | } | |
3928 | ||
3929 | /* now wait for the reply */ | |
3930 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { | |
3931 | pr_err(MPT3SAS_FMT | |
3932 | "doorbell handshake int failed (line=%d)\n", | |
3933 | ioc->name, __LINE__); | |
3934 | return -EFAULT; | |
3935 | } | |
3936 | ||
3937 | /* read the first two 16-bits, it gives the total length of the reply */ | |
3938 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3939 | & MPI2_DOORBELL_DATA_MASK); | |
3940 | writel(0, &ioc->chip->HostInterruptStatus); | |
3941 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3942 | pr_err(MPT3SAS_FMT | |
3943 | "doorbell handshake int failed (line=%d)\n", | |
3944 | ioc->name, __LINE__); | |
3945 | return -EFAULT; | |
3946 | } | |
3947 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3948 | & MPI2_DOORBELL_DATA_MASK); | |
3949 | writel(0, &ioc->chip->HostInterruptStatus); | |
3950 | ||
3951 | for (i = 2; i < default_reply->MsgLength * 2; i++) { | |
3952 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3953 | pr_err(MPT3SAS_FMT | |
3954 | "doorbell handshake int failed (line=%d)\n", | |
3955 | ioc->name, __LINE__); | |
3956 | return -EFAULT; | |
3957 | } | |
3958 | if (i >= reply_bytes/2) /* overflow case */ | |
3959 | dummy = readl(&ioc->chip->Doorbell); | |
3960 | else | |
3961 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3962 | & MPI2_DOORBELL_DATA_MASK); | |
3963 | writel(0, &ioc->chip->HostInterruptStatus); | |
3964 | } | |
3965 | ||
3966 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); | |
3967 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { | |
3968 | dhsprintk(ioc, pr_info(MPT3SAS_FMT | |
3969 | "doorbell is in use (line=%d)\n", ioc->name, __LINE__)); | |
3970 | } | |
3971 | writel(0, &ioc->chip->HostInterruptStatus); | |
3972 | ||
3973 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
3974 | mfp = (__le32 *)reply; | |
3975 | pr_info("\toffset:data\n"); | |
3976 | for (i = 0; i < reply_bytes/4; i++) | |
3977 | pr_info("\t[0x%02x]:%08x\n", i*4, | |
3978 | le32_to_cpu(mfp[i])); | |
3979 | } | |
3980 | return 0; | |
3981 | } | |
3982 | ||
3983 | /** | |
3984 | * mpt3sas_base_sas_iounit_control - send sas iounit control to FW | |
3985 | * @ioc: per adapter object | |
3986 | * @mpi_reply: the reply payload from FW | |
3987 | * @mpi_request: the request payload sent to FW | |
3988 | * | |
3989 | * The SAS IO Unit Control Request message allows the host to perform low-level | |
3990 | * operations, such as resets on the PHYs of the IO Unit, also allows the host | |
3991 | * to obtain the IOC assigned device handles for a device if it has other | |
3992 | * identifying information about the device, in addition allows the host to | |
3993 | * remove IOC resources associated with the device. | |
3994 | * | |
3995 | * Returns 0 for success, non-zero for failure. | |
3996 | */ | |
3997 | int | |
3998 | mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc, | |
3999 | Mpi2SasIoUnitControlReply_t *mpi_reply, | |
4000 | Mpi2SasIoUnitControlRequest_t *mpi_request) | |
4001 | { | |
4002 | u16 smid; | |
4003 | u32 ioc_state; | |
4004 | unsigned long timeleft; | |
eb44552b | 4005 | bool issue_reset = false; |
f92363d1 SR |
4006 | int rc; |
4007 | void *request; | |
4008 | u16 wait_state_count; | |
4009 | ||
4010 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4011 | __func__)); | |
4012 | ||
4013 | mutex_lock(&ioc->base_cmds.mutex); | |
4014 | ||
4015 | if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) { | |
4016 | pr_err(MPT3SAS_FMT "%s: base_cmd in use\n", | |
4017 | ioc->name, __func__); | |
4018 | rc = -EAGAIN; | |
4019 | goto out; | |
4020 | } | |
4021 | ||
4022 | wait_state_count = 0; | |
4023 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
4024 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
4025 | if (wait_state_count++ == 10) { | |
4026 | pr_err(MPT3SAS_FMT | |
4027 | "%s: failed due to ioc not operational\n", | |
4028 | ioc->name, __func__); | |
4029 | rc = -EFAULT; | |
4030 | goto out; | |
4031 | } | |
4032 | ssleep(1); | |
4033 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
4034 | pr_info(MPT3SAS_FMT | |
4035 | "%s: waiting for operational state(count=%d)\n", | |
4036 | ioc->name, __func__, wait_state_count); | |
4037 | } | |
4038 | ||
4039 | smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx); | |
4040 | if (!smid) { | |
4041 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
4042 | ioc->name, __func__); | |
4043 | rc = -EAGAIN; | |
4044 | goto out; | |
4045 | } | |
4046 | ||
4047 | rc = 0; | |
4048 | ioc->base_cmds.status = MPT3_CMD_PENDING; | |
4049 | request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4050 | ioc->base_cmds.smid = smid; | |
4051 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
4052 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
4053 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) | |
4054 | ioc->ioc_link_reset_in_progress = 1; | |
4055 | init_completion(&ioc->base_cmds.done); | |
4056 | mpt3sas_base_put_smid_default(ioc, smid); | |
4057 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, | |
4058 | msecs_to_jiffies(10000)); | |
4059 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
4060 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && | |
4061 | ioc->ioc_link_reset_in_progress) | |
4062 | ioc->ioc_link_reset_in_progress = 0; | |
4063 | if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) { | |
4064 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
4065 | ioc->name, __func__); | |
4066 | _debug_dump_mf(mpi_request, | |
4067 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); | |
4068 | if (!(ioc->base_cmds.status & MPT3_CMD_RESET)) | |
eb44552b | 4069 | issue_reset = true; |
f92363d1 SR |
4070 | goto issue_host_reset; |
4071 | } | |
4072 | if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID) | |
4073 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
4074 | sizeof(Mpi2SasIoUnitControlReply_t)); | |
4075 | else | |
4076 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
4077 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
4078 | goto out; | |
4079 | ||
4080 | issue_host_reset: | |
4081 | if (issue_reset) | |
4082 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
4083 | FORCE_BIG_HAMMER); | |
4084 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
4085 | rc = -EFAULT; | |
4086 | out: | |
4087 | mutex_unlock(&ioc->base_cmds.mutex); | |
4088 | return rc; | |
4089 | } | |
4090 | ||
4091 | /** | |
4092 | * mpt3sas_base_scsi_enclosure_processor - sending request to sep device | |
4093 | * @ioc: per adapter object | |
4094 | * @mpi_reply: the reply payload from FW | |
4095 | * @mpi_request: the request payload sent to FW | |
4096 | * | |
4097 | * The SCSI Enclosure Processor request message causes the IOC to | |
4098 | * communicate with SES devices to control LED status signals. | |
4099 | * | |
4100 | * Returns 0 for success, non-zero for failure. | |
4101 | */ | |
4102 | int | |
4103 | mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc, | |
4104 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) | |
4105 | { | |
4106 | u16 smid; | |
4107 | u32 ioc_state; | |
4108 | unsigned long timeleft; | |
eb44552b | 4109 | bool issue_reset = false; |
f92363d1 SR |
4110 | int rc; |
4111 | void *request; | |
4112 | u16 wait_state_count; | |
4113 | ||
4114 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4115 | __func__)); | |
4116 | ||
4117 | mutex_lock(&ioc->base_cmds.mutex); | |
4118 | ||
4119 | if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) { | |
4120 | pr_err(MPT3SAS_FMT "%s: base_cmd in use\n", | |
4121 | ioc->name, __func__); | |
4122 | rc = -EAGAIN; | |
4123 | goto out; | |
4124 | } | |
4125 | ||
4126 | wait_state_count = 0; | |
4127 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
4128 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
4129 | if (wait_state_count++ == 10) { | |
4130 | pr_err(MPT3SAS_FMT | |
4131 | "%s: failed due to ioc not operational\n", | |
4132 | ioc->name, __func__); | |
4133 | rc = -EFAULT; | |
4134 | goto out; | |
4135 | } | |
4136 | ssleep(1); | |
4137 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
4138 | pr_info(MPT3SAS_FMT | |
4139 | "%s: waiting for operational state(count=%d)\n", | |
4140 | ioc->name, | |
4141 | __func__, wait_state_count); | |
4142 | } | |
4143 | ||
4144 | smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx); | |
4145 | if (!smid) { | |
4146 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
4147 | ioc->name, __func__); | |
4148 | rc = -EAGAIN; | |
4149 | goto out; | |
4150 | } | |
4151 | ||
4152 | rc = 0; | |
4153 | ioc->base_cmds.status = MPT3_CMD_PENDING; | |
4154 | request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4155 | ioc->base_cmds.smid = smid; | |
4156 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); | |
4157 | init_completion(&ioc->base_cmds.done); | |
4158 | mpt3sas_base_put_smid_default(ioc, smid); | |
4159 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, | |
4160 | msecs_to_jiffies(10000)); | |
4161 | if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) { | |
4162 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
4163 | ioc->name, __func__); | |
4164 | _debug_dump_mf(mpi_request, | |
4165 | sizeof(Mpi2SepRequest_t)/4); | |
4166 | if (!(ioc->base_cmds.status & MPT3_CMD_RESET)) | |
eb44552b | 4167 | issue_reset = false; |
f92363d1 SR |
4168 | goto issue_host_reset; |
4169 | } | |
4170 | if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID) | |
4171 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
4172 | sizeof(Mpi2SepReply_t)); | |
4173 | else | |
4174 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); | |
4175 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
4176 | goto out; | |
4177 | ||
4178 | issue_host_reset: | |
4179 | if (issue_reset) | |
4180 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
4181 | FORCE_BIG_HAMMER); | |
4182 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
4183 | rc = -EFAULT; | |
4184 | out: | |
4185 | mutex_unlock(&ioc->base_cmds.mutex); | |
4186 | return rc; | |
4187 | } | |
4188 | ||
4189 | /** | |
4190 | * _base_get_port_facts - obtain port facts reply and save in ioc | |
4191 | * @ioc: per adapter object | |
4192 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4193 | * | |
4194 | * Returns 0 for success, non-zero for failure. | |
4195 | */ | |
4196 | static int | |
4197 | _base_get_port_facts(struct MPT3SAS_ADAPTER *ioc, int port, int sleep_flag) | |
4198 | { | |
4199 | Mpi2PortFactsRequest_t mpi_request; | |
4200 | Mpi2PortFactsReply_t mpi_reply; | |
4201 | struct mpt3sas_port_facts *pfacts; | |
4202 | int mpi_reply_sz, mpi_request_sz, r; | |
4203 | ||
4204 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4205 | __func__)); | |
4206 | ||
4207 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); | |
4208 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); | |
4209 | memset(&mpi_request, 0, mpi_request_sz); | |
4210 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; | |
4211 | mpi_request.PortNumber = port; | |
4212 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
4213 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
4214 | ||
4215 | if (r != 0) { | |
4216 | pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n", | |
4217 | ioc->name, __func__, r); | |
4218 | return r; | |
4219 | } | |
4220 | ||
4221 | pfacts = &ioc->pfacts[port]; | |
4222 | memset(pfacts, 0, sizeof(struct mpt3sas_port_facts)); | |
4223 | pfacts->PortNumber = mpi_reply.PortNumber; | |
4224 | pfacts->VP_ID = mpi_reply.VP_ID; | |
4225 | pfacts->VF_ID = mpi_reply.VF_ID; | |
4226 | pfacts->MaxPostedCmdBuffers = | |
4227 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); | |
4228 | ||
4229 | return 0; | |
4230 | } | |
4231 | ||
4dc8c808 SR |
4232 | /** |
4233 | * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL | |
4234 | * @ioc: per adapter object | |
4235 | * @timeout: | |
4236 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4237 | * | |
4238 | * Returns 0 for success, non-zero for failure. | |
4239 | */ | |
4240 | static int | |
4241 | _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout, | |
4242 | int sleep_flag) | |
4243 | { | |
4244 | u32 ioc_state; | |
4245 | int rc; | |
4246 | ||
4247 | dinitprintk(ioc, printk(MPT3SAS_FMT "%s\n", ioc->name, | |
4248 | __func__)); | |
4249 | ||
4250 | if (ioc->pci_error_recovery) { | |
4251 | dfailprintk(ioc, printk(MPT3SAS_FMT | |
4252 | "%s: host in pci error recovery\n", ioc->name, __func__)); | |
4253 | return -EFAULT; | |
4254 | } | |
4255 | ||
4256 | ioc_state = mpt3sas_base_get_iocstate(ioc, 0); | |
4257 | dhsprintk(ioc, printk(MPT3SAS_FMT "%s: ioc_state(0x%08x)\n", | |
4258 | ioc->name, __func__, ioc_state)); | |
4259 | ||
4260 | if (((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) || | |
4261 | (ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
4262 | return 0; | |
4263 | ||
4264 | if (ioc_state & MPI2_DOORBELL_USED) { | |
4265 | dhsprintk(ioc, printk(MPT3SAS_FMT | |
4266 | "unexpected doorbell active!\n", ioc->name)); | |
4267 | goto issue_diag_reset; | |
4268 | } | |
4269 | ||
4270 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
4271 | mpt3sas_base_fault_info(ioc, ioc_state & | |
4272 | MPI2_DOORBELL_DATA_MASK); | |
4273 | goto issue_diag_reset; | |
4274 | } | |
4275 | ||
4276 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
4277 | timeout, sleep_flag); | |
4278 | if (ioc_state) { | |
4279 | dfailprintk(ioc, printk(MPT3SAS_FMT | |
4280 | "%s: failed going to ready state (ioc_state=0x%x)\n", | |
4281 | ioc->name, __func__, ioc_state)); | |
4282 | return -EFAULT; | |
4283 | } | |
4284 | ||
4285 | issue_diag_reset: | |
4286 | rc = _base_diag_reset(ioc, sleep_flag); | |
4287 | return rc; | |
4288 | } | |
4289 | ||
f92363d1 SR |
4290 | /** |
4291 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc | |
4292 | * @ioc: per adapter object | |
4293 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4294 | * | |
4295 | * Returns 0 for success, non-zero for failure. | |
4296 | */ | |
4297 | static int | |
4298 | _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
4299 | { | |
4300 | Mpi2IOCFactsRequest_t mpi_request; | |
4301 | Mpi2IOCFactsReply_t mpi_reply; | |
4302 | struct mpt3sas_facts *facts; | |
4303 | int mpi_reply_sz, mpi_request_sz, r; | |
4304 | ||
4305 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4306 | __func__)); | |
4307 | ||
4dc8c808 SR |
4308 | r = _base_wait_for_iocstate(ioc, 10, sleep_flag); |
4309 | if (r) { | |
4310 | dfailprintk(ioc, printk(MPT3SAS_FMT | |
4311 | "%s: failed getting to correct state\n", | |
4312 | ioc->name, __func__)); | |
4313 | return r; | |
4314 | } | |
f92363d1 SR |
4315 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); |
4316 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); | |
4317 | memset(&mpi_request, 0, mpi_request_sz); | |
4318 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; | |
4319 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
4320 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
4321 | ||
4322 | if (r != 0) { | |
4323 | pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n", | |
4324 | ioc->name, __func__, r); | |
4325 | return r; | |
4326 | } | |
4327 | ||
4328 | facts = &ioc->facts; | |
4329 | memset(facts, 0, sizeof(struct mpt3sas_facts)); | |
4330 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); | |
4331 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); | |
4332 | facts->VP_ID = mpi_reply.VP_ID; | |
4333 | facts->VF_ID = mpi_reply.VF_ID; | |
4334 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); | |
4335 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; | |
4336 | facts->WhoInit = mpi_reply.WhoInit; | |
4337 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; | |
4338 | facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; | |
4339 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); | |
4340 | facts->MaxReplyDescriptorPostQueueDepth = | |
4341 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); | |
4342 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); | |
4343 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); | |
4344 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) | |
4345 | ioc->ir_firmware = 1; | |
9b05c91a SR |
4346 | if ((facts->IOCCapabilities & |
4347 | MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE)) | |
4348 | ioc->rdpq_array_capable = 1; | |
f92363d1 SR |
4349 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); |
4350 | facts->IOCRequestFrameSize = | |
4351 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); | |
ebb3024e SS |
4352 | if (ioc->hba_mpi_version_belonged != MPI2_VERSION) { |
4353 | facts->IOCMaxChainSegmentSize = | |
4354 | le16_to_cpu(mpi_reply.IOCMaxChainSegmentSize); | |
4355 | } | |
f92363d1 SR |
4356 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); |
4357 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); | |
4358 | ioc->shost->max_id = -1; | |
4359 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); | |
4360 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); | |
4361 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); | |
4362 | facts->HighPriorityCredit = | |
4363 | le16_to_cpu(mpi_reply.HighPriorityCredit); | |
4364 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; | |
4365 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); | |
4366 | ||
4367 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
4368 | "hba queue depth(%d), max chains per io(%d)\n", | |
4369 | ioc->name, facts->RequestCredit, | |
4370 | facts->MaxChainDepth)); | |
4371 | dinitprintk(ioc, pr_info(MPT3SAS_FMT | |
4372 | "request frame size(%d), reply frame size(%d)\n", ioc->name, | |
4373 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); | |
4374 | return 0; | |
4375 | } | |
4376 | ||
4377 | /** | |
4378 | * _base_send_ioc_init - send ioc_init to firmware | |
4379 | * @ioc: per adapter object | |
4380 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4381 | * | |
4382 | * Returns 0 for success, non-zero for failure. | |
4383 | */ | |
4384 | static int | |
4385 | _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
4386 | { | |
4387 | Mpi2IOCInitRequest_t mpi_request; | |
4388 | Mpi2IOCInitReply_t mpi_reply; | |
9b05c91a | 4389 | int i, r = 0; |
f92363d1 SR |
4390 | struct timeval current_time; |
4391 | u16 ioc_status; | |
9b05c91a SR |
4392 | u32 reply_post_free_array_sz = 0; |
4393 | Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL; | |
4394 | dma_addr_t reply_post_free_array_dma; | |
f92363d1 SR |
4395 | |
4396 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4397 | __func__)); | |
4398 | ||
4399 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); | |
4400 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; | |
4401 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
4402 | mpi_request.VF_ID = 0; /* TODO */ | |
4403 | mpi_request.VP_ID = 0; | |
d357e84d | 4404 | mpi_request.MsgVersion = cpu_to_le16(ioc->hba_mpi_version_belonged); |
f92363d1 SR |
4405 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); |
4406 | ||
4407 | if (_base_is_controller_msix_enabled(ioc)) | |
4408 | mpi_request.HostMSIxVectors = ioc->reply_queue_count; | |
4409 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); | |
4410 | mpi_request.ReplyDescriptorPostQueueDepth = | |
4411 | cpu_to_le16(ioc->reply_post_queue_depth); | |
4412 | mpi_request.ReplyFreeQueueDepth = | |
4413 | cpu_to_le16(ioc->reply_free_queue_depth); | |
4414 | ||
4415 | mpi_request.SenseBufferAddressHigh = | |
4416 | cpu_to_le32((u64)ioc->sense_dma >> 32); | |
4417 | mpi_request.SystemReplyAddressHigh = | |
4418 | cpu_to_le32((u64)ioc->reply_dma >> 32); | |
4419 | mpi_request.SystemRequestFrameBaseAddress = | |
4420 | cpu_to_le64((u64)ioc->request_dma); | |
4421 | mpi_request.ReplyFreeQueueAddress = | |
4422 | cpu_to_le64((u64)ioc->reply_free_dma); | |
f92363d1 | 4423 | |
9b05c91a SR |
4424 | if (ioc->rdpq_array_enable) { |
4425 | reply_post_free_array_sz = ioc->reply_queue_count * | |
4426 | sizeof(Mpi2IOCInitRDPQArrayEntry); | |
4427 | reply_post_free_array = pci_alloc_consistent(ioc->pdev, | |
4428 | reply_post_free_array_sz, &reply_post_free_array_dma); | |
4429 | if (!reply_post_free_array) { | |
4430 | pr_err(MPT3SAS_FMT | |
4431 | "reply_post_free_array: pci_alloc_consistent failed\n", | |
4432 | ioc->name); | |
4433 | r = -ENOMEM; | |
4434 | goto out; | |
4435 | } | |
4436 | memset(reply_post_free_array, 0, reply_post_free_array_sz); | |
4437 | for (i = 0; i < ioc->reply_queue_count; i++) | |
4438 | reply_post_free_array[i].RDPQBaseAddress = | |
4439 | cpu_to_le64( | |
4440 | (u64)ioc->reply_post[i].reply_post_free_dma); | |
4441 | mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE; | |
4442 | mpi_request.ReplyDescriptorPostQueueAddress = | |
4443 | cpu_to_le64((u64)reply_post_free_array_dma); | |
4444 | } else { | |
4445 | mpi_request.ReplyDescriptorPostQueueAddress = | |
4446 | cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma); | |
4447 | } | |
f92363d1 SR |
4448 | |
4449 | /* This time stamp specifies number of milliseconds | |
4450 | * since epoch ~ midnight January 1, 1970. | |
4451 | */ | |
4452 | do_gettimeofday(¤t_time); | |
4453 | mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + | |
4454 | (current_time.tv_usec / 1000)); | |
4455 | ||
4456 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
4457 | __le32 *mfp; | |
4458 | int i; | |
4459 | ||
4460 | mfp = (__le32 *)&mpi_request; | |
4461 | pr_info("\toffset:data\n"); | |
4462 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) | |
4463 | pr_info("\t[0x%02x]:%08x\n", i*4, | |
4464 | le32_to_cpu(mfp[i])); | |
4465 | } | |
4466 | ||
4467 | r = _base_handshake_req_reply_wait(ioc, | |
4468 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, | |
4469 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, | |
4470 | sleep_flag); | |
4471 | ||
4472 | if (r != 0) { | |
4473 | pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n", | |
4474 | ioc->name, __func__, r); | |
9b05c91a | 4475 | goto out; |
f92363d1 SR |
4476 | } |
4477 | ||
4478 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4479 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS || | |
4480 | mpi_reply.IOCLogInfo) { | |
4481 | pr_err(MPT3SAS_FMT "%s: failed\n", ioc->name, __func__); | |
4482 | r = -EIO; | |
4483 | } | |
4484 | ||
9b05c91a SR |
4485 | out: |
4486 | if (reply_post_free_array) | |
4487 | pci_free_consistent(ioc->pdev, reply_post_free_array_sz, | |
4488 | reply_post_free_array, | |
4489 | reply_post_free_array_dma); | |
4490 | return r; | |
f92363d1 SR |
4491 | } |
4492 | ||
4493 | /** | |
4494 | * mpt3sas_port_enable_done - command completion routine for port enable | |
4495 | * @ioc: per adapter object | |
4496 | * @smid: system request message index | |
4497 | * @msix_index: MSIX table index supplied by the OS | |
4498 | * @reply: reply message frame(lower 32bit addr) | |
4499 | * | |
4500 | * Return 1 meaning mf should be freed from _base_interrupt | |
4501 | * 0 means the mf is freed from this function. | |
4502 | */ | |
4503 | u8 | |
4504 | mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
4505 | u32 reply) | |
4506 | { | |
4507 | MPI2DefaultReply_t *mpi_reply; | |
4508 | u16 ioc_status; | |
4509 | ||
4510 | if (ioc->port_enable_cmds.status == MPT3_CMD_NOT_USED) | |
4511 | return 1; | |
4512 | ||
4513 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
4514 | if (!mpi_reply) | |
4515 | return 1; | |
4516 | ||
4517 | if (mpi_reply->Function != MPI2_FUNCTION_PORT_ENABLE) | |
4518 | return 1; | |
4519 | ||
4520 | ioc->port_enable_cmds.status &= ~MPT3_CMD_PENDING; | |
4521 | ioc->port_enable_cmds.status |= MPT3_CMD_COMPLETE; | |
4522 | ioc->port_enable_cmds.status |= MPT3_CMD_REPLY_VALID; | |
4523 | memcpy(ioc->port_enable_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
4524 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4525 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4526 | ioc->port_enable_failed = 1; | |
4527 | ||
4528 | if (ioc->is_driver_loading) { | |
4529 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
4530 | mpt3sas_port_enable_complete(ioc); | |
4531 | return 1; | |
4532 | } else { | |
4533 | ioc->start_scan_failed = ioc_status; | |
4534 | ioc->start_scan = 0; | |
4535 | return 1; | |
4536 | } | |
4537 | } | |
4538 | complete(&ioc->port_enable_cmds.done); | |
4539 | return 1; | |
4540 | } | |
4541 | ||
4542 | /** | |
4543 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware | |
4544 | * @ioc: per adapter object | |
4545 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4546 | * | |
4547 | * Returns 0 for success, non-zero for failure. | |
4548 | */ | |
4549 | static int | |
4550 | _base_send_port_enable(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
4551 | { | |
4552 | Mpi2PortEnableRequest_t *mpi_request; | |
4553 | Mpi2PortEnableReply_t *mpi_reply; | |
4554 | unsigned long timeleft; | |
4555 | int r = 0; | |
4556 | u16 smid; | |
4557 | u16 ioc_status; | |
4558 | ||
4559 | pr_info(MPT3SAS_FMT "sending port enable !!\n", ioc->name); | |
4560 | ||
4561 | if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) { | |
4562 | pr_err(MPT3SAS_FMT "%s: internal command already in use\n", | |
4563 | ioc->name, __func__); | |
4564 | return -EAGAIN; | |
4565 | } | |
4566 | ||
4567 | smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx); | |
4568 | if (!smid) { | |
4569 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
4570 | ioc->name, __func__); | |
4571 | return -EAGAIN; | |
4572 | } | |
4573 | ||
4574 | ioc->port_enable_cmds.status = MPT3_CMD_PENDING; | |
4575 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4576 | ioc->port_enable_cmds.smid = smid; | |
4577 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
4578 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
4579 | ||
4580 | init_completion(&ioc->port_enable_cmds.done); | |
4581 | mpt3sas_base_put_smid_default(ioc, smid); | |
4582 | timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, | |
4583 | 300*HZ); | |
4584 | if (!(ioc->port_enable_cmds.status & MPT3_CMD_COMPLETE)) { | |
4585 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
4586 | ioc->name, __func__); | |
4587 | _debug_dump_mf(mpi_request, | |
4588 | sizeof(Mpi2PortEnableRequest_t)/4); | |
4589 | if (ioc->port_enable_cmds.status & MPT3_CMD_RESET) | |
4590 | r = -EFAULT; | |
4591 | else | |
4592 | r = -ETIME; | |
4593 | goto out; | |
4594 | } | |
4595 | ||
4596 | mpi_reply = ioc->port_enable_cmds.reply; | |
4597 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4598 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4599 | pr_err(MPT3SAS_FMT "%s: failed with (ioc_status=0x%08x)\n", | |
4600 | ioc->name, __func__, ioc_status); | |
4601 | r = -EFAULT; | |
4602 | goto out; | |
4603 | } | |
4604 | ||
4605 | out: | |
4606 | ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED; | |
4607 | pr_info(MPT3SAS_FMT "port enable: %s\n", ioc->name, ((r == 0) ? | |
4608 | "SUCCESS" : "FAILED")); | |
4609 | return r; | |
4610 | } | |
4611 | ||
4612 | /** | |
4613 | * mpt3sas_port_enable - initiate firmware discovery (don't wait for reply) | |
4614 | * @ioc: per adapter object | |
4615 | * | |
4616 | * Returns 0 for success, non-zero for failure. | |
4617 | */ | |
4618 | int | |
4619 | mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc) | |
4620 | { | |
4621 | Mpi2PortEnableRequest_t *mpi_request; | |
4622 | u16 smid; | |
4623 | ||
4624 | pr_info(MPT3SAS_FMT "sending port enable !!\n", ioc->name); | |
4625 | ||
4626 | if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) { | |
4627 | pr_err(MPT3SAS_FMT "%s: internal command already in use\n", | |
4628 | ioc->name, __func__); | |
4629 | return -EAGAIN; | |
4630 | } | |
4631 | ||
4632 | smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx); | |
4633 | if (!smid) { | |
4634 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
4635 | ioc->name, __func__); | |
4636 | return -EAGAIN; | |
4637 | } | |
4638 | ||
4639 | ioc->port_enable_cmds.status = MPT3_CMD_PENDING; | |
4640 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4641 | ioc->port_enable_cmds.smid = smid; | |
4642 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
4643 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
4644 | ||
4645 | mpt3sas_base_put_smid_default(ioc, smid); | |
4646 | return 0; | |
4647 | } | |
4648 | ||
4649 | /** | |
4650 | * _base_determine_wait_on_discovery - desposition | |
4651 | * @ioc: per adapter object | |
4652 | * | |
4653 | * Decide whether to wait on discovery to complete. Used to either | |
4654 | * locate boot device, or report volumes ahead of physical devices. | |
4655 | * | |
4656 | * Returns 1 for wait, 0 for don't wait | |
4657 | */ | |
4658 | static int | |
4659 | _base_determine_wait_on_discovery(struct MPT3SAS_ADAPTER *ioc) | |
4660 | { | |
4661 | /* We wait for discovery to complete if IR firmware is loaded. | |
4662 | * The sas topology events arrive before PD events, so we need time to | |
4663 | * turn on the bit in ioc->pd_handles to indicate PD | |
4664 | * Also, it maybe required to report Volumes ahead of physical | |
4665 | * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. | |
4666 | */ | |
4667 | if (ioc->ir_firmware) | |
4668 | return 1; | |
4669 | ||
4670 | /* if no Bios, then we don't need to wait */ | |
4671 | if (!ioc->bios_pg3.BiosVersion) | |
4672 | return 0; | |
4673 | ||
4674 | /* Bios is present, then we drop down here. | |
4675 | * | |
4676 | * If there any entries in the Bios Page 2, then we wait | |
4677 | * for discovery to complete. | |
4678 | */ | |
4679 | ||
4680 | /* Current Boot Device */ | |
4681 | if ((ioc->bios_pg2.CurrentBootDeviceForm & | |
4682 | MPI2_BIOSPAGE2_FORM_MASK) == | |
4683 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
4684 | /* Request Boot Device */ | |
4685 | (ioc->bios_pg2.ReqBootDeviceForm & | |
4686 | MPI2_BIOSPAGE2_FORM_MASK) == | |
4687 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
4688 | /* Alternate Request Boot Device */ | |
4689 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
4690 | MPI2_BIOSPAGE2_FORM_MASK) == | |
4691 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) | |
4692 | return 0; | |
4693 | ||
4694 | return 1; | |
4695 | } | |
4696 | ||
4697 | /** | |
4698 | * _base_unmask_events - turn on notification for this event | |
4699 | * @ioc: per adapter object | |
4700 | * @event: firmware event | |
4701 | * | |
4702 | * The mask is stored in ioc->event_masks. | |
4703 | */ | |
4704 | static void | |
4705 | _base_unmask_events(struct MPT3SAS_ADAPTER *ioc, u16 event) | |
4706 | { | |
4707 | u32 desired_event; | |
4708 | ||
4709 | if (event >= 128) | |
4710 | return; | |
4711 | ||
4712 | desired_event = (1 << (event % 32)); | |
4713 | ||
4714 | if (event < 32) | |
4715 | ioc->event_masks[0] &= ~desired_event; | |
4716 | else if (event < 64) | |
4717 | ioc->event_masks[1] &= ~desired_event; | |
4718 | else if (event < 96) | |
4719 | ioc->event_masks[2] &= ~desired_event; | |
4720 | else if (event < 128) | |
4721 | ioc->event_masks[3] &= ~desired_event; | |
4722 | } | |
4723 | ||
4724 | /** | |
4725 | * _base_event_notification - send event notification | |
4726 | * @ioc: per adapter object | |
4727 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4728 | * | |
4729 | * Returns 0 for success, non-zero for failure. | |
4730 | */ | |
4731 | static int | |
4732 | _base_event_notification(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
4733 | { | |
4734 | Mpi2EventNotificationRequest_t *mpi_request; | |
4735 | unsigned long timeleft; | |
4736 | u16 smid; | |
4737 | int r = 0; | |
4738 | int i; | |
4739 | ||
4740 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4741 | __func__)); | |
4742 | ||
4743 | if (ioc->base_cmds.status & MPT3_CMD_PENDING) { | |
4744 | pr_err(MPT3SAS_FMT "%s: internal command already in use\n", | |
4745 | ioc->name, __func__); | |
4746 | return -EAGAIN; | |
4747 | } | |
4748 | ||
4749 | smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx); | |
4750 | if (!smid) { | |
4751 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
4752 | ioc->name, __func__); | |
4753 | return -EAGAIN; | |
4754 | } | |
4755 | ioc->base_cmds.status = MPT3_CMD_PENDING; | |
4756 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4757 | ioc->base_cmds.smid = smid; | |
4758 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); | |
4759 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
4760 | mpi_request->VF_ID = 0; /* TODO */ | |
4761 | mpi_request->VP_ID = 0; | |
4762 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) | |
4763 | mpi_request->EventMasks[i] = | |
4764 | cpu_to_le32(ioc->event_masks[i]); | |
4765 | init_completion(&ioc->base_cmds.done); | |
4766 | mpt3sas_base_put_smid_default(ioc, smid); | |
4767 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); | |
4768 | if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) { | |
4769 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
4770 | ioc->name, __func__); | |
4771 | _debug_dump_mf(mpi_request, | |
4772 | sizeof(Mpi2EventNotificationRequest_t)/4); | |
4773 | if (ioc->base_cmds.status & MPT3_CMD_RESET) | |
4774 | r = -EFAULT; | |
4775 | else | |
4776 | r = -ETIME; | |
4777 | } else | |
4778 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s: complete\n", | |
4779 | ioc->name, __func__)); | |
4780 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
4781 | return r; | |
4782 | } | |
4783 | ||
4784 | /** | |
4785 | * mpt3sas_base_validate_event_type - validating event types | |
4786 | * @ioc: per adapter object | |
4787 | * @event: firmware event | |
4788 | * | |
4789 | * This will turn on firmware event notification when application | |
4790 | * ask for that event. We don't mask events that are already enabled. | |
4791 | */ | |
4792 | void | |
4793 | mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc, u32 *event_type) | |
4794 | { | |
4795 | int i, j; | |
4796 | u32 event_mask, desired_event; | |
4797 | u8 send_update_to_fw; | |
4798 | ||
4799 | for (i = 0, send_update_to_fw = 0; i < | |
4800 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { | |
4801 | event_mask = ~event_type[i]; | |
4802 | desired_event = 1; | |
4803 | for (j = 0; j < 32; j++) { | |
4804 | if (!(event_mask & desired_event) && | |
4805 | (ioc->event_masks[i] & desired_event)) { | |
4806 | ioc->event_masks[i] &= ~desired_event; | |
4807 | send_update_to_fw = 1; | |
4808 | } | |
4809 | desired_event = (desired_event << 1); | |
4810 | } | |
4811 | } | |
4812 | ||
4813 | if (!send_update_to_fw) | |
4814 | return; | |
4815 | ||
4816 | mutex_lock(&ioc->base_cmds.mutex); | |
4817 | _base_event_notification(ioc, CAN_SLEEP); | |
4818 | mutex_unlock(&ioc->base_cmds.mutex); | |
4819 | } | |
4820 | ||
4821 | /** | |
4822 | * _base_diag_reset - the "big hammer" start of day reset | |
4823 | * @ioc: per adapter object | |
4824 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4825 | * | |
4826 | * Returns 0 for success, non-zero for failure. | |
4827 | */ | |
4828 | static int | |
4829 | _base_diag_reset(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
4830 | { | |
4831 | u32 host_diagnostic; | |
4832 | u32 ioc_state; | |
4833 | u32 count; | |
4834 | u32 hcb_size; | |
4835 | ||
4836 | pr_info(MPT3SAS_FMT "sending diag reset !!\n", ioc->name); | |
4837 | ||
4838 | drsprintk(ioc, pr_info(MPT3SAS_FMT "clear interrupts\n", | |
4839 | ioc->name)); | |
4840 | ||
4841 | count = 0; | |
4842 | do { | |
4843 | /* Write magic sequence to WriteSequence register | |
4844 | * Loop until in diagnostic mode | |
4845 | */ | |
4846 | drsprintk(ioc, pr_info(MPT3SAS_FMT | |
4847 | "write magic sequence\n", ioc->name)); | |
4848 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4849 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); | |
4850 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); | |
4851 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); | |
4852 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4853 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4854 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4855 | ||
4856 | /* wait 100 msec */ | |
4857 | if (sleep_flag == CAN_SLEEP) | |
4858 | msleep(100); | |
4859 | else | |
4860 | mdelay(100); | |
4861 | ||
4862 | if (count++ > 20) | |
4863 | goto out; | |
4864 | ||
4865 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
4866 | drsprintk(ioc, pr_info(MPT3SAS_FMT | |
4867 | "wrote magic sequence: count(%d), host_diagnostic(0x%08x)\n", | |
4868 | ioc->name, count, host_diagnostic)); | |
4869 | ||
4870 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); | |
4871 | ||
4872 | hcb_size = readl(&ioc->chip->HCBSize); | |
4873 | ||
4874 | drsprintk(ioc, pr_info(MPT3SAS_FMT "diag reset: issued\n", | |
4875 | ioc->name)); | |
4876 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, | |
4877 | &ioc->chip->HostDiagnostic); | |
4878 | ||
b453ff84 SR |
4879 | /*This delay allows the chip PCIe hardware time to finish reset tasks*/ |
4880 | if (sleep_flag == CAN_SLEEP) | |
4881 | msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); | |
4882 | else | |
4883 | mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); | |
f92363d1 | 4884 | |
b453ff84 SR |
4885 | /* Approximately 300 second max wait */ |
4886 | for (count = 0; count < (300000000 / | |
4887 | MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { | |
f92363d1 SR |
4888 | |
4889 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
4890 | ||
4891 | if (host_diagnostic == 0xFFFFFFFF) | |
4892 | goto out; | |
4893 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | |
4894 | break; | |
4895 | ||
b453ff84 | 4896 | /* Wait to pass the second read delay window */ |
f92363d1 | 4897 | if (sleep_flag == CAN_SLEEP) |
b453ff84 SR |
4898 | msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC |
4899 | / 1000); | |
f92363d1 | 4900 | else |
b453ff84 SR |
4901 | mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC |
4902 | / 1000); | |
f92363d1 SR |
4903 | } |
4904 | ||
4905 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { | |
4906 | ||
4907 | drsprintk(ioc, pr_info(MPT3SAS_FMT | |
4908 | "restart the adapter assuming the HCB Address points to good F/W\n", | |
4909 | ioc->name)); | |
4910 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; | |
4911 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; | |
4912 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); | |
4913 | ||
4914 | drsprintk(ioc, pr_info(MPT3SAS_FMT | |
4915 | "re-enable the HCDW\n", ioc->name)); | |
4916 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, | |
4917 | &ioc->chip->HCBSize); | |
4918 | } | |
4919 | ||
4920 | drsprintk(ioc, pr_info(MPT3SAS_FMT "restart the adapter\n", | |
4921 | ioc->name)); | |
4922 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, | |
4923 | &ioc->chip->HostDiagnostic); | |
4924 | ||
4925 | drsprintk(ioc, pr_info(MPT3SAS_FMT | |
4926 | "disable writes to the diagnostic register\n", ioc->name)); | |
4927 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4928 | ||
4929 | drsprintk(ioc, pr_info(MPT3SAS_FMT | |
4930 | "Wait for FW to go to the READY state\n", ioc->name)); | |
4931 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, | |
4932 | sleep_flag); | |
4933 | if (ioc_state) { | |
4934 | pr_err(MPT3SAS_FMT | |
4935 | "%s: failed going to ready state (ioc_state=0x%x)\n", | |
4936 | ioc->name, __func__, ioc_state); | |
4937 | goto out; | |
4938 | } | |
4939 | ||
4940 | pr_info(MPT3SAS_FMT "diag reset: SUCCESS\n", ioc->name); | |
4941 | return 0; | |
4942 | ||
4943 | out: | |
4944 | pr_err(MPT3SAS_FMT "diag reset: FAILED\n", ioc->name); | |
4945 | return -EFAULT; | |
4946 | } | |
4947 | ||
4948 | /** | |
4949 | * _base_make_ioc_ready - put controller in READY state | |
4950 | * @ioc: per adapter object | |
4951 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4952 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
4953 | * | |
4954 | * Returns 0 for success, non-zero for failure. | |
4955 | */ | |
4956 | static int | |
4957 | _base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, int sleep_flag, | |
4958 | enum reset_type type) | |
4959 | { | |
4960 | u32 ioc_state; | |
4961 | int rc; | |
4962 | int count; | |
4963 | ||
4964 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
4965 | __func__)); | |
4966 | ||
4967 | if (ioc->pci_error_recovery) | |
4968 | return 0; | |
4969 | ||
4970 | ioc_state = mpt3sas_base_get_iocstate(ioc, 0); | |
4971 | dhsprintk(ioc, pr_info(MPT3SAS_FMT "%s: ioc_state(0x%08x)\n", | |
4972 | ioc->name, __func__, ioc_state)); | |
4973 | ||
4974 | /* if in RESET state, it should move to READY state shortly */ | |
4975 | count = 0; | |
4976 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_RESET) { | |
4977 | while ((ioc_state & MPI2_IOC_STATE_MASK) != | |
4978 | MPI2_IOC_STATE_READY) { | |
4979 | if (count++ == 10) { | |
4980 | pr_err(MPT3SAS_FMT | |
4981 | "%s: failed going to ready state (ioc_state=0x%x)\n", | |
4982 | ioc->name, __func__, ioc_state); | |
4983 | return -EFAULT; | |
4984 | } | |
4985 | if (sleep_flag == CAN_SLEEP) | |
4986 | ssleep(1); | |
4987 | else | |
4988 | mdelay(1000); | |
4989 | ioc_state = mpt3sas_base_get_iocstate(ioc, 0); | |
4990 | } | |
4991 | } | |
4992 | ||
4993 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) | |
4994 | return 0; | |
4995 | ||
4996 | if (ioc_state & MPI2_DOORBELL_USED) { | |
4997 | dhsprintk(ioc, pr_info(MPT3SAS_FMT | |
4998 | "unexpected doorbell active!\n", | |
4999 | ioc->name)); | |
5000 | goto issue_diag_reset; | |
5001 | } | |
5002 | ||
5003 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
5004 | mpt3sas_base_fault_info(ioc, ioc_state & | |
5005 | MPI2_DOORBELL_DATA_MASK); | |
5006 | goto issue_diag_reset; | |
5007 | } | |
5008 | ||
5009 | if (type == FORCE_BIG_HAMMER) | |
5010 | goto issue_diag_reset; | |
5011 | ||
5012 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
5013 | if (!(_base_send_ioc_reset(ioc, | |
5014 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { | |
5015 | return 0; | |
5016 | } | |
5017 | ||
5018 | issue_diag_reset: | |
5019 | rc = _base_diag_reset(ioc, CAN_SLEEP); | |
5020 | return rc; | |
5021 | } | |
5022 | ||
5023 | /** | |
5024 | * _base_make_ioc_operational - put controller in OPERATIONAL state | |
5025 | * @ioc: per adapter object | |
5026 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
5027 | * | |
5028 | * Returns 0 for success, non-zero for failure. | |
5029 | */ | |
5030 | static int | |
5031 | _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
5032 | { | |
5033 | int r, i; | |
5034 | unsigned long flags; | |
5035 | u32 reply_address; | |
5036 | u16 smid; | |
5037 | struct _tr_list *delayed_tr, *delayed_tr_next; | |
fd0331b3 SS |
5038 | struct _sc_list *delayed_sc, *delayed_sc_next; |
5039 | struct _event_ack_list *delayed_event_ack, *delayed_event_ack_next; | |
7786ab6a | 5040 | u8 hide_flag; |
f92363d1 SR |
5041 | struct adapter_reply_queue *reply_q; |
5042 | long reply_post_free; | |
9b05c91a | 5043 | u32 reply_post_free_sz, index = 0; |
f92363d1 SR |
5044 | |
5045 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
5046 | __func__)); | |
5047 | ||
5048 | /* clean the delayed target reset list */ | |
5049 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, | |
5050 | &ioc->delayed_tr_list, list) { | |
5051 | list_del(&delayed_tr->list); | |
5052 | kfree(delayed_tr); | |
5053 | } | |
5054 | ||
5055 | ||
5056 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, | |
5057 | &ioc->delayed_tr_volume_list, list) { | |
5058 | list_del(&delayed_tr->list); | |
5059 | kfree(delayed_tr); | |
5060 | } | |
5061 | ||
fd0331b3 SS |
5062 | list_for_each_entry_safe(delayed_sc, delayed_sc_next, |
5063 | &ioc->delayed_sc_list, list) { | |
5064 | list_del(&delayed_sc->list); | |
5065 | kfree(delayed_sc); | |
5066 | } | |
5067 | ||
5068 | list_for_each_entry_safe(delayed_event_ack, delayed_event_ack_next, | |
5069 | &ioc->delayed_event_ack_list, list) { | |
5070 | list_del(&delayed_event_ack->list); | |
5071 | kfree(delayed_event_ack); | |
5072 | } | |
5073 | ||
f92363d1 SR |
5074 | /* initialize the scsi lookup free list */ |
5075 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
5076 | INIT_LIST_HEAD(&ioc->free_list); | |
5077 | smid = 1; | |
5078 | for (i = 0; i < ioc->scsiio_depth; i++, smid++) { | |
5079 | INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); | |
5080 | ioc->scsi_lookup[i].cb_idx = 0xFF; | |
5081 | ioc->scsi_lookup[i].smid = smid; | |
5082 | ioc->scsi_lookup[i].scmd = NULL; | |
7786ab6a | 5083 | ioc->scsi_lookup[i].direct_io = 0; |
f92363d1 SR |
5084 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
5085 | &ioc->free_list); | |
5086 | } | |
5087 | ||
5088 | /* hi-priority queue */ | |
5089 | INIT_LIST_HEAD(&ioc->hpr_free_list); | |
5090 | smid = ioc->hi_priority_smid; | |
5091 | for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { | |
5092 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
5093 | ioc->hpr_lookup[i].smid = smid; | |
5094 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
5095 | &ioc->hpr_free_list); | |
5096 | } | |
5097 | ||
5098 | /* internal queue */ | |
5099 | INIT_LIST_HEAD(&ioc->internal_free_list); | |
5100 | smid = ioc->internal_smid; | |
5101 | for (i = 0; i < ioc->internal_depth; i++, smid++) { | |
5102 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
5103 | ioc->internal_lookup[i].smid = smid; | |
5104 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
5105 | &ioc->internal_free_list); | |
5106 | } | |
5107 | ||
5108 | /* chain pool */ | |
5109 | INIT_LIST_HEAD(&ioc->free_chain_list); | |
5110 | for (i = 0; i < ioc->chain_depth; i++) | |
5111 | list_add_tail(&ioc->chain_lookup[i].tracker_list, | |
5112 | &ioc->free_chain_list); | |
5113 | ||
5114 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
5115 | ||
5116 | /* initialize Reply Free Queue */ | |
5117 | for (i = 0, reply_address = (u32)ioc->reply_dma ; | |
5118 | i < ioc->reply_free_queue_depth ; i++, reply_address += | |
5119 | ioc->reply_sz) | |
5120 | ioc->reply_free[i] = cpu_to_le32(reply_address); | |
5121 | ||
5122 | /* initialize reply queues */ | |
5123 | if (ioc->is_driver_loading) | |
5124 | _base_assign_reply_queues(ioc); | |
5125 | ||
5126 | /* initialize Reply Post Free Queue */ | |
f92363d1 SR |
5127 | reply_post_free_sz = ioc->reply_post_queue_depth * |
5128 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
9b05c91a | 5129 | reply_post_free = (long)ioc->reply_post[index].reply_post_free; |
f92363d1 SR |
5130 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
5131 | reply_q->reply_post_host_index = 0; | |
5132 | reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) | |
5133 | reply_post_free; | |
5134 | for (i = 0; i < ioc->reply_post_queue_depth; i++) | |
5135 | reply_q->reply_post_free[i].Words = | |
5136 | cpu_to_le64(ULLONG_MAX); | |
5137 | if (!_base_is_controller_msix_enabled(ioc)) | |
5138 | goto skip_init_reply_post_free_queue; | |
9b05c91a SR |
5139 | /* |
5140 | * If RDPQ is enabled, switch to the next allocation. | |
5141 | * Otherwise advance within the contiguous region. | |
5142 | */ | |
5143 | if (ioc->rdpq_array_enable) | |
5144 | reply_post_free = (long) | |
5145 | ioc->reply_post[++index].reply_post_free; | |
5146 | else | |
5147 | reply_post_free += reply_post_free_sz; | |
f92363d1 SR |
5148 | } |
5149 | skip_init_reply_post_free_queue: | |
5150 | ||
5151 | r = _base_send_ioc_init(ioc, sleep_flag); | |
5152 | if (r) | |
5153 | return r; | |
5154 | ||
5155 | /* initialize reply free host index */ | |
5156 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; | |
5157 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); | |
5158 | ||
5159 | /* initialize reply post host index */ | |
5160 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
fb77bb53 SR |
5161 | if (ioc->msix96_vector) |
5162 | writel((reply_q->msix_index & 7)<< | |
5163 | MPI2_RPHI_MSIX_INDEX_SHIFT, | |
5164 | ioc->replyPostRegisterIndex[reply_q->msix_index/8]); | |
5165 | else | |
5166 | writel(reply_q->msix_index << | |
5167 | MPI2_RPHI_MSIX_INDEX_SHIFT, | |
5168 | &ioc->chip->ReplyPostHostIndex); | |
5169 | ||
f92363d1 SR |
5170 | if (!_base_is_controller_msix_enabled(ioc)) |
5171 | goto skip_init_reply_post_host_index; | |
5172 | } | |
5173 | ||
5174 | skip_init_reply_post_host_index: | |
5175 | ||
5176 | _base_unmask_interrupts(ioc); | |
5177 | r = _base_event_notification(ioc, sleep_flag); | |
5178 | if (r) | |
5179 | return r; | |
5180 | ||
5181 | if (sleep_flag == CAN_SLEEP) | |
5182 | _base_static_config_pages(ioc); | |
5183 | ||
5184 | ||
5185 | if (ioc->is_driver_loading) { | |
7786ab6a SR |
5186 | |
5187 | if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier | |
5188 | == 0x80) { | |
5189 | hide_flag = (u8) ( | |
5190 | le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & | |
5191 | MFG_PAGE10_HIDE_SSDS_MASK); | |
5192 | if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) | |
5193 | ioc->mfg_pg10_hide_flag = hide_flag; | |
5194 | } | |
5195 | ||
f92363d1 SR |
5196 | ioc->wait_for_discovery_to_complete = |
5197 | _base_determine_wait_on_discovery(ioc); | |
5198 | ||
5199 | return r; /* scan_start and scan_finished support */ | |
5200 | } | |
5201 | ||
5202 | r = _base_send_port_enable(ioc, sleep_flag); | |
5203 | if (r) | |
5204 | return r; | |
5205 | ||
5206 | return r; | |
5207 | } | |
5208 | ||
5209 | /** | |
5210 | * mpt3sas_base_free_resources - free resources controller resources | |
5211 | * @ioc: per adapter object | |
5212 | * | |
5213 | * Return nothing. | |
5214 | */ | |
5215 | void | |
5216 | mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc) | |
5217 | { | |
f92363d1 SR |
5218 | dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, |
5219 | __func__)); | |
5220 | ||
08c4d550 SR |
5221 | /* synchronizing freeing resource with pci_access_mutex lock */ |
5222 | mutex_lock(&ioc->pci_access_mutex); | |
cf9bd21a JL |
5223 | if (ioc->chip_phys && ioc->chip) { |
5224 | _base_mask_interrupts(ioc); | |
5225 | ioc->shost_recovery = 1; | |
5226 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); | |
5227 | ioc->shost_recovery = 0; | |
5228 | } | |
5229 | ||
580d4e31 | 5230 | mpt3sas_base_unmap_resources(ioc); |
08c4d550 | 5231 | mutex_unlock(&ioc->pci_access_mutex); |
f92363d1 SR |
5232 | return; |
5233 | } | |
5234 | ||
5235 | /** | |
5236 | * mpt3sas_base_attach - attach controller instance | |
5237 | * @ioc: per adapter object | |
5238 | * | |
5239 | * Returns 0 for success, non-zero for failure. | |
5240 | */ | |
5241 | int | |
5242 | mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) | |
5243 | { | |
5244 | int r, i; | |
5245 | int cpu_id, last_cpu_id = 0; | |
5246 | ||
5247 | dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
5248 | __func__)); | |
5249 | ||
5250 | /* setup cpu_msix_table */ | |
5251 | ioc->cpu_count = num_online_cpus(); | |
5252 | for_each_online_cpu(cpu_id) | |
5253 | last_cpu_id = cpu_id; | |
5254 | ioc->cpu_msix_table_sz = last_cpu_id + 1; | |
5255 | ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); | |
5256 | ioc->reply_queue_count = 1; | |
5257 | if (!ioc->cpu_msix_table) { | |
5258 | dfailprintk(ioc, pr_info(MPT3SAS_FMT | |
5259 | "allocation for cpu_msix_table failed!!!\n", | |
5260 | ioc->name)); | |
5261 | r = -ENOMEM; | |
5262 | goto out_free_resources; | |
5263 | } | |
5264 | ||
7786ab6a SR |
5265 | if (ioc->is_warpdrive) { |
5266 | ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, | |
5267 | sizeof(resource_size_t *), GFP_KERNEL); | |
5268 | if (!ioc->reply_post_host_index) { | |
5269 | dfailprintk(ioc, pr_info(MPT3SAS_FMT "allocation " | |
5270 | "for cpu_msix_table failed!!!\n", ioc->name)); | |
5271 | r = -ENOMEM; | |
5272 | goto out_free_resources; | |
5273 | } | |
5274 | } | |
5275 | ||
9b05c91a SR |
5276 | ioc->rdpq_array_enable_assigned = 0; |
5277 | ioc->dma_mask = 0; | |
f92363d1 SR |
5278 | r = mpt3sas_base_map_resources(ioc); |
5279 | if (r) | |
5280 | goto out_free_resources; | |
5281 | ||
7786ab6a SR |
5282 | if (ioc->is_warpdrive) { |
5283 | ioc->reply_post_host_index[0] = (resource_size_t __iomem *) | |
5284 | &ioc->chip->ReplyPostHostIndex; | |
5285 | ||
5286 | for (i = 1; i < ioc->cpu_msix_table_sz; i++) | |
5287 | ioc->reply_post_host_index[i] = | |
5288 | (resource_size_t __iomem *) | |
5289 | ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) | |
5290 | * 4))); | |
5291 | } | |
f92363d1 SR |
5292 | |
5293 | pci_set_drvdata(ioc->pdev, ioc->shost); | |
5294 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); | |
5295 | if (r) | |
5296 | goto out_free_resources; | |
5297 | ||
471ef9d4 SR |
5298 | switch (ioc->hba_mpi_version_belonged) { |
5299 | case MPI2_VERSION: | |
5300 | ioc->build_sg_scmd = &_base_build_sg_scmd; | |
5301 | ioc->build_sg = &_base_build_sg; | |
5302 | ioc->build_zero_len_sge = &_base_build_zero_len_sge; | |
5303 | break; | |
5304 | case MPI25_VERSION: | |
b130b0d5 | 5305 | case MPI26_VERSION: |
471ef9d4 SR |
5306 | /* |
5307 | * In SAS3.0, | |
5308 | * SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and | |
5309 | * Target Status - all require the IEEE formated scatter gather | |
5310 | * elements. | |
5311 | */ | |
5312 | ioc->build_sg_scmd = &_base_build_sg_scmd_ieee; | |
5313 | ioc->build_sg = &_base_build_sg_ieee; | |
5314 | ioc->build_zero_len_sge = &_base_build_zero_len_sge_ieee; | |
5315 | ioc->sge_size_ieee = sizeof(Mpi2IeeeSgeSimple64_t); | |
5316 | break; | |
5317 | } | |
f92363d1 SR |
5318 | |
5319 | /* | |
5320 | * These function pointers for other requests that don't | |
5321 | * the require IEEE scatter gather elements. | |
5322 | * | |
5323 | * For example Configuration Pages and SAS IOUNIT Control don't. | |
5324 | */ | |
5325 | ioc->build_sg_mpi = &_base_build_sg; | |
5326 | ioc->build_zero_len_sge_mpi = &_base_build_zero_len_sge; | |
5327 | ||
5328 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); | |
5329 | if (r) | |
5330 | goto out_free_resources; | |
5331 | ||
5332 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, | |
5333 | sizeof(struct mpt3sas_port_facts), GFP_KERNEL); | |
5334 | if (!ioc->pfacts) { | |
5335 | r = -ENOMEM; | |
5336 | goto out_free_resources; | |
5337 | } | |
5338 | ||
5339 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { | |
5340 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); | |
5341 | if (r) | |
5342 | goto out_free_resources; | |
5343 | } | |
5344 | ||
5345 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); | |
5346 | if (r) | |
5347 | goto out_free_resources; | |
5348 | ||
5349 | init_waitqueue_head(&ioc->reset_wq); | |
5350 | ||
5351 | /* allocate memory pd handle bitmask list */ | |
5352 | ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); | |
5353 | if (ioc->facts.MaxDevHandle % 8) | |
5354 | ioc->pd_handles_sz++; | |
5355 | ioc->pd_handles = kzalloc(ioc->pd_handles_sz, | |
5356 | GFP_KERNEL); | |
5357 | if (!ioc->pd_handles) { | |
5358 | r = -ENOMEM; | |
5359 | goto out_free_resources; | |
5360 | } | |
5361 | ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, | |
5362 | GFP_KERNEL); | |
5363 | if (!ioc->blocking_handles) { | |
5364 | r = -ENOMEM; | |
5365 | goto out_free_resources; | |
5366 | } | |
5367 | ||
5368 | ioc->fwfault_debug = mpt3sas_fwfault_debug; | |
5369 | ||
5370 | /* base internal command bits */ | |
5371 | mutex_init(&ioc->base_cmds.mutex); | |
5372 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5373 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
5374 | ||
5375 | /* port_enable command bits */ | |
5376 | ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5377 | ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED; | |
5378 | ||
5379 | /* transport internal command bits */ | |
5380 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5381 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; | |
5382 | mutex_init(&ioc->transport_cmds.mutex); | |
5383 | ||
5384 | /* scsih internal command bits */ | |
5385 | ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5386 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; | |
5387 | mutex_init(&ioc->scsih_cmds.mutex); | |
5388 | ||
5389 | /* task management internal command bits */ | |
5390 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5391 | ioc->tm_cmds.status = MPT3_CMD_NOT_USED; | |
5392 | mutex_init(&ioc->tm_cmds.mutex); | |
5393 | ||
5394 | /* config page internal command bits */ | |
5395 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5396 | ioc->config_cmds.status = MPT3_CMD_NOT_USED; | |
5397 | mutex_init(&ioc->config_cmds.mutex); | |
5398 | ||
5399 | /* ctl module internal command bits */ | |
5400 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
5401 | ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); | |
5402 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
5403 | mutex_init(&ioc->ctl_cmds.mutex); | |
5404 | ||
5405 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || | |
5406 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
5407 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || | |
5408 | !ioc->ctl_cmds.sense) { | |
5409 | r = -ENOMEM; | |
5410 | goto out_free_resources; | |
5411 | } | |
5412 | ||
5413 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) | |
5414 | ioc->event_masks[i] = -1; | |
5415 | ||
5416 | /* here we enable the events we care about */ | |
5417 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); | |
5418 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); | |
5419 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); | |
5420 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
5421 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); | |
5422 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); | |
5423 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); | |
5424 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); | |
5425 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); | |
5426 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); | |
2d8ce8c9 | 5427 | _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD); |
f92363d1 SR |
5428 | |
5429 | r = _base_make_ioc_operational(ioc, CAN_SLEEP); | |
5430 | if (r) | |
5431 | goto out_free_resources; | |
5432 | ||
16e179bd | 5433 | ioc->non_operational_loop = 0; |
f92363d1 SR |
5434 | return 0; |
5435 | ||
5436 | out_free_resources: | |
5437 | ||
5438 | ioc->remove_host = 1; | |
5439 | ||
5440 | mpt3sas_base_free_resources(ioc); | |
5441 | _base_release_memory_pools(ioc); | |
5442 | pci_set_drvdata(ioc->pdev, NULL); | |
5443 | kfree(ioc->cpu_msix_table); | |
7786ab6a SR |
5444 | if (ioc->is_warpdrive) |
5445 | kfree(ioc->reply_post_host_index); | |
f92363d1 SR |
5446 | kfree(ioc->pd_handles); |
5447 | kfree(ioc->blocking_handles); | |
5448 | kfree(ioc->tm_cmds.reply); | |
5449 | kfree(ioc->transport_cmds.reply); | |
5450 | kfree(ioc->scsih_cmds.reply); | |
5451 | kfree(ioc->config_cmds.reply); | |
5452 | kfree(ioc->base_cmds.reply); | |
5453 | kfree(ioc->port_enable_cmds.reply); | |
5454 | kfree(ioc->ctl_cmds.reply); | |
5455 | kfree(ioc->ctl_cmds.sense); | |
5456 | kfree(ioc->pfacts); | |
5457 | ioc->ctl_cmds.reply = NULL; | |
5458 | ioc->base_cmds.reply = NULL; | |
5459 | ioc->tm_cmds.reply = NULL; | |
5460 | ioc->scsih_cmds.reply = NULL; | |
5461 | ioc->transport_cmds.reply = NULL; | |
5462 | ioc->config_cmds.reply = NULL; | |
5463 | ioc->pfacts = NULL; | |
5464 | return r; | |
5465 | } | |
5466 | ||
5467 | ||
5468 | /** | |
5469 | * mpt3sas_base_detach - remove controller instance | |
5470 | * @ioc: per adapter object | |
5471 | * | |
5472 | * Return nothing. | |
5473 | */ | |
5474 | void | |
5475 | mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc) | |
5476 | { | |
5477 | dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
5478 | __func__)); | |
5479 | ||
5480 | mpt3sas_base_stop_watchdog(ioc); | |
5481 | mpt3sas_base_free_resources(ioc); | |
5482 | _base_release_memory_pools(ioc); | |
5483 | pci_set_drvdata(ioc->pdev, NULL); | |
5484 | kfree(ioc->cpu_msix_table); | |
7786ab6a SR |
5485 | if (ioc->is_warpdrive) |
5486 | kfree(ioc->reply_post_host_index); | |
f92363d1 SR |
5487 | kfree(ioc->pd_handles); |
5488 | kfree(ioc->blocking_handles); | |
5489 | kfree(ioc->pfacts); | |
5490 | kfree(ioc->ctl_cmds.reply); | |
5491 | kfree(ioc->ctl_cmds.sense); | |
5492 | kfree(ioc->base_cmds.reply); | |
5493 | kfree(ioc->port_enable_cmds.reply); | |
5494 | kfree(ioc->tm_cmds.reply); | |
5495 | kfree(ioc->transport_cmds.reply); | |
5496 | kfree(ioc->scsih_cmds.reply); | |
5497 | kfree(ioc->config_cmds.reply); | |
5498 | } | |
5499 | ||
5500 | /** | |
5501 | * _base_reset_handler - reset callback handler (for base) | |
5502 | * @ioc: per adapter object | |
5503 | * @reset_phase: phase | |
5504 | * | |
5505 | * The handler for doing any required cleanup or initialization. | |
5506 | * | |
5507 | * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET, | |
5508 | * MPT3_IOC_DONE_RESET | |
5509 | * | |
5510 | * Return nothing. | |
5511 | */ | |
5512 | static void | |
5513 | _base_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) | |
5514 | { | |
5515 | mpt3sas_scsih_reset_handler(ioc, reset_phase); | |
5516 | mpt3sas_ctl_reset_handler(ioc, reset_phase); | |
5517 | switch (reset_phase) { | |
5518 | case MPT3_IOC_PRE_RESET: | |
5519 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
5520 | "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__)); | |
5521 | break; | |
5522 | case MPT3_IOC_AFTER_RESET: | |
5523 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
5524 | "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
5525 | if (ioc->transport_cmds.status & MPT3_CMD_PENDING) { | |
5526 | ioc->transport_cmds.status |= MPT3_CMD_RESET; | |
5527 | mpt3sas_base_free_smid(ioc, ioc->transport_cmds.smid); | |
5528 | complete(&ioc->transport_cmds.done); | |
5529 | } | |
5530 | if (ioc->base_cmds.status & MPT3_CMD_PENDING) { | |
5531 | ioc->base_cmds.status |= MPT3_CMD_RESET; | |
5532 | mpt3sas_base_free_smid(ioc, ioc->base_cmds.smid); | |
5533 | complete(&ioc->base_cmds.done); | |
5534 | } | |
5535 | if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) { | |
5536 | ioc->port_enable_failed = 1; | |
5537 | ioc->port_enable_cmds.status |= MPT3_CMD_RESET; | |
5538 | mpt3sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); | |
5539 | if (ioc->is_driver_loading) { | |
5540 | ioc->start_scan_failed = | |
5541 | MPI2_IOCSTATUS_INTERNAL_ERROR; | |
5542 | ioc->start_scan = 0; | |
5543 | ioc->port_enable_cmds.status = | |
5544 | MPT3_CMD_NOT_USED; | |
5545 | } else | |
5546 | complete(&ioc->port_enable_cmds.done); | |
5547 | } | |
5548 | if (ioc->config_cmds.status & MPT3_CMD_PENDING) { | |
5549 | ioc->config_cmds.status |= MPT3_CMD_RESET; | |
5550 | mpt3sas_base_free_smid(ioc, ioc->config_cmds.smid); | |
5551 | ioc->config_cmds.smid = USHRT_MAX; | |
5552 | complete(&ioc->config_cmds.done); | |
5553 | } | |
5554 | break; | |
5555 | case MPT3_IOC_DONE_RESET: | |
5556 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
5557 | "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__)); | |
5558 | break; | |
5559 | } | |
5560 | } | |
5561 | ||
5562 | /** | |
5563 | * _wait_for_commands_to_complete - reset controller | |
5564 | * @ioc: Pointer to MPT_ADAPTER structure | |
5565 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
5566 | * | |
5567 | * This function waiting(3s) for all pending commands to complete | |
5568 | * prior to putting controller in reset. | |
5569 | */ | |
5570 | static void | |
5571 | _wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) | |
5572 | { | |
5573 | u32 ioc_state; | |
5574 | unsigned long flags; | |
5575 | u16 i; | |
5576 | ||
5577 | ioc->pending_io_count = 0; | |
5578 | if (sleep_flag != CAN_SLEEP) | |
5579 | return; | |
5580 | ||
5581 | ioc_state = mpt3sas_base_get_iocstate(ioc, 0); | |
5582 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) | |
5583 | return; | |
5584 | ||
5585 | /* pending command count */ | |
5586 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
5587 | for (i = 0; i < ioc->scsiio_depth; i++) | |
5588 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) | |
5589 | ioc->pending_io_count++; | |
5590 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
5591 | ||
5592 | if (!ioc->pending_io_count) | |
5593 | return; | |
5594 | ||
5595 | /* wait for pending commands to complete */ | |
5596 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); | |
5597 | } | |
5598 | ||
5599 | /** | |
5600 | * mpt3sas_base_hard_reset_handler - reset controller | |
5601 | * @ioc: Pointer to MPT_ADAPTER structure | |
5602 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
5603 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
5604 | * | |
5605 | * Returns 0 for success, non-zero for failure. | |
5606 | */ | |
5607 | int | |
5608 | mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, int sleep_flag, | |
5609 | enum reset_type type) | |
5610 | { | |
5611 | int r; | |
5612 | unsigned long flags; | |
5613 | u32 ioc_state; | |
5614 | u8 is_fault = 0, is_trigger = 0; | |
5615 | ||
5616 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
5617 | __func__)); | |
5618 | ||
5619 | if (ioc->pci_error_recovery) { | |
5620 | pr_err(MPT3SAS_FMT "%s: pci error recovery reset\n", | |
5621 | ioc->name, __func__); | |
5622 | r = 0; | |
5623 | goto out_unlocked; | |
5624 | } | |
5625 | ||
5626 | if (mpt3sas_fwfault_debug) | |
5627 | mpt3sas_halt_firmware(ioc); | |
5628 | ||
5629 | /* TODO - What we really should be doing is pulling | |
5630 | * out all the code associated with NO_SLEEP; its never used. | |
5631 | * That is legacy code from mpt fusion driver, ported over. | |
5632 | * I will leave this BUG_ON here for now till its been resolved. | |
5633 | */ | |
5634 | BUG_ON(sleep_flag == NO_SLEEP); | |
5635 | ||
5636 | /* wait for an active reset in progress to complete */ | |
5637 | if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { | |
5638 | do { | |
5639 | ssleep(1); | |
5640 | } while (ioc->shost_recovery == 1); | |
5641 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name, | |
5642 | __func__)); | |
5643 | return ioc->ioc_reset_in_progress_status; | |
5644 | } | |
5645 | ||
5646 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
5647 | ioc->shost_recovery = 1; | |
5648 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
5649 | ||
5650 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
5651 | MPT3_DIAG_BUFFER_IS_REGISTERED) && | |
5652 | (!(ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
5653 | MPT3_DIAG_BUFFER_IS_RELEASED))) { | |
5654 | is_trigger = 1; | |
5655 | ioc_state = mpt3sas_base_get_iocstate(ioc, 0); | |
5656 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
5657 | is_fault = 1; | |
5658 | } | |
5659 | _base_reset_handler(ioc, MPT3_IOC_PRE_RESET); | |
5660 | _wait_for_commands_to_complete(ioc, sleep_flag); | |
5661 | _base_mask_interrupts(ioc); | |
5662 | r = _base_make_ioc_ready(ioc, sleep_flag, type); | |
5663 | if (r) | |
5664 | goto out; | |
5665 | _base_reset_handler(ioc, MPT3_IOC_AFTER_RESET); | |
5666 | ||
5667 | /* If this hard reset is called while port enable is active, then | |
5668 | * there is no reason to call make_ioc_operational | |
5669 | */ | |
5670 | if (ioc->is_driver_loading && ioc->port_enable_failed) { | |
5671 | ioc->remove_host = 1; | |
5672 | r = -EFAULT; | |
5673 | goto out; | |
5674 | } | |
5675 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); | |
5676 | if (r) | |
5677 | goto out; | |
9b05c91a SR |
5678 | |
5679 | if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable) | |
5680 | panic("%s: Issue occurred with flashing controller firmware." | |
5681 | "Please reboot the system and ensure that the correct" | |
5682 | " firmware version is running\n", ioc->name); | |
5683 | ||
f92363d1 SR |
5684 | r = _base_make_ioc_operational(ioc, sleep_flag); |
5685 | if (!r) | |
5686 | _base_reset_handler(ioc, MPT3_IOC_DONE_RESET); | |
5687 | ||
5688 | out: | |
5689 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: %s\n", | |
5690 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); | |
5691 | ||
5692 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
5693 | ioc->ioc_reset_in_progress_status = r; | |
5694 | ioc->shost_recovery = 0; | |
5695 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
5696 | ioc->ioc_reset_count++; | |
5697 | mutex_unlock(&ioc->reset_in_progress_mutex); | |
5698 | ||
5699 | out_unlocked: | |
5700 | if ((r == 0) && is_trigger) { | |
5701 | if (is_fault) | |
5702 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_FW_FAULT); | |
5703 | else | |
5704 | mpt3sas_trigger_master(ioc, | |
5705 | MASTER_TRIGGER_ADAPTER_RESET); | |
5706 | } | |
5707 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name, | |
5708 | __func__)); | |
5709 | return r; | |
5710 | } |