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635374e7 EM |
1 | /* |
2 | * This is the Fusion MPT base driver providing common API layer interface | |
3 | * for access to MPT (Message Passing Technology) firmware. | |
4 | * | |
5 | * This code is based on drivers/scsi/mpt2sas/mpt2_base.c | |
e9edbe31 | 6 | * Copyright (C) 2007-2014 LSI Corporation |
a03bd153 SR |
7 | * Copyright (C) 20013-2014 Avago Technologies |
8 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) | |
635374e7 EM |
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 | ||
635374e7 EM |
46 | #include <linux/kernel.h> |
47 | #include <linux/module.h> | |
48 | #include <linux/errno.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/slab.h> | |
51 | #include <linux/types.h> | |
52 | #include <linux/pci.h> | |
53 | #include <linux/kdev_t.h> | |
54 | #include <linux/blkdev.h> | |
55 | #include <linux/delay.h> | |
56 | #include <linux/interrupt.h> | |
57 | #include <linux/dma-mapping.h> | |
58 | #include <linux/sort.h> | |
59 | #include <linux/io.h> | |
a8ebd76c | 60 | #include <linux/time.h> |
845a0e40 | 61 | #include <linux/kthread.h> |
ef7c80c1 | 62 | #include <linux/aer.h> |
635374e7 EM |
63 | |
64 | #include "mpt2sas_base.h" | |
65 | ||
66 | static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; | |
67 | ||
68 | #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ | |
635374e7 | 69 | |
aff132d9 | 70 | #define MAX_HBA_QUEUE_DEPTH 30000 |
71 | #define MAX_CHAIN_DEPTH 100000 | |
635374e7 EM |
72 | static int max_queue_depth = -1; |
73 | module_param(max_queue_depth, int, 0); | |
74 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); | |
75 | ||
76 | static int max_sgl_entries = -1; | |
77 | module_param(max_sgl_entries, int, 0); | |
78 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); | |
79 | ||
80 | static int msix_disable = -1; | |
81 | module_param(msix_disable, int, 0); | |
82 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); | |
83 | ||
4e1f20ae SR |
84 | static int max_msix_vectors = -1; |
85 | module_param(max_msix_vectors, int, 0); | |
86 | MODULE_PARM_DESC(max_msix_vectors, " max msix vectors "); | |
87 | ||
921cd802 | 88 | static int mpt2sas_fwfault_debug; |
89 | MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " | |
90 | "and halt firmware - (default=0)"); | |
91 | ||
92 | static int disable_discovery = -1; | |
93 | module_param(disable_discovery, int, 0); | |
94 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); | |
95 | ||
5fb1bf8a SR |
96 | static int |
97 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); | |
98 | ||
a66dd970 SR |
99 | static int |
100 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); | |
101 | ||
fa7f3167 KD |
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 MPT2SAS_ADAPTER *ioc; | |
111 | ||
112 | if (ret) | |
113 | return ret; | |
114 | ||
e75b9b6d | 115 | printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); |
fa7f3167 KD |
116 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
117 | ioc->fwfault_debug = mpt2sas_fwfault_debug; | |
118 | return 0; | |
119 | } | |
845a0e40 | 120 | |
fa7f3167 KD |
121 | module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, |
122 | param_get_int, &mpt2sas_fwfault_debug, 0644); | |
123 | ||
845a0e40 | 124 | /** |
125 | * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc | |
126 | * @arg: input argument, used to derive ioc | |
127 | * | |
128 | * Return 0 if controller is removed from pci subsystem. | |
129 | * Return -1 for other case. | |
130 | */ | |
131 | static int mpt2sas_remove_dead_ioc_func(void *arg) | |
132 | { | |
133 | struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; | |
134 | struct pci_dev *pdev; | |
135 | ||
136 | if ((ioc == NULL)) | |
137 | return -1; | |
138 | ||
139 | pdev = ioc->pdev; | |
140 | if ((pdev == NULL)) | |
141 | return -1; | |
64cdb418 | 142 | pci_stop_and_remove_bus_device_locked(pdev); |
845a0e40 | 143 | return 0; |
144 | } | |
145 | ||
146 | ||
635374e7 EM |
147 | /** |
148 | * _base_fault_reset_work - workq handling ioc fault conditions | |
149 | * @work: input argument, used to derive ioc | |
150 | * Context: sleep. | |
151 | * | |
152 | * Return nothing. | |
153 | */ | |
154 | static void | |
155 | _base_fault_reset_work(struct work_struct *work) | |
156 | { | |
157 | struct MPT2SAS_ADAPTER *ioc = | |
158 | container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); | |
159 | unsigned long flags; | |
160 | u32 doorbell; | |
161 | int rc; | |
845a0e40 | 162 | struct task_struct *p; |
635374e7 EM |
163 | |
164 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
b4730fb6 | 165 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
635374e7 EM |
166 | goto rearm_timer; |
167 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
168 | ||
169 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
845a0e40 | 170 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { |
171 | printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", | |
172 | ioc->name, __func__); | |
173 | ||
b4730fb6 SR |
174 | /* It may be possible that EEH recovery can resolve some of |
175 | * pci bus failure issues rather removing the dead ioc function | |
176 | * by considering controller is in a non-operational state. So | |
177 | * here priority is given to the EEH recovery. If it doesn't | |
178 | * not resolve this issue, mpt2sas driver will consider this | |
179 | * controller to non-operational state and remove the dead ioc | |
180 | * function. | |
181 | */ | |
182 | if (ioc->non_operational_loop++ < 5) { | |
183 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, | |
184 | flags); | |
185 | goto rearm_timer; | |
186 | } | |
187 | ||
845a0e40 | 188 | /* |
189 | * Call _scsih_flush_pending_cmds callback so that we flush all | |
190 | * pending commands back to OS. This call is required to aovid | |
191 | * deadlock at block layer. Dead IOC will fail to do diag reset, | |
192 | * and this call is safe since dead ioc will never return any | |
193 | * command back from HW. | |
194 | */ | |
195 | ioc->schedule_dead_ioc_flush_running_cmds(ioc); | |
196 | /* | |
197 | * Set remove_host flag early since kernel thread will | |
198 | * take some time to execute. | |
199 | */ | |
200 | ioc->remove_host = 1; | |
201 | /*Remove the Dead Host */ | |
202 | p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, | |
203 | "mpt2sas_dead_ioc_%d", ioc->id); | |
204 | if (IS_ERR(p)) { | |
205 | printk(MPT2SAS_ERR_FMT | |
206 | "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", | |
207 | ioc->name, __func__); | |
208 | } else { | |
209 | printk(MPT2SAS_ERR_FMT | |
210 | "%s: Running mpt2sas_dead_ioc thread success !!!!\n", | |
211 | ioc->name, __func__); | |
212 | } | |
213 | ||
214 | return; /* don't rearm timer */ | |
215 | } | |
216 | ||
b4730fb6 SR |
217 | ioc->non_operational_loop = 0; |
218 | ||
635374e7 EM |
219 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
220 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
221 | FORCE_BIG_HAMMER); | |
222 | printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, | |
223 | __func__, (rc == 0) ? "success" : "failed"); | |
224 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
225 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
226 | mpt2sas_base_fault_info(ioc, doorbell & | |
227 | MPI2_DOORBELL_DATA_MASK); | |
228 | } | |
229 | ||
230 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
231 | rearm_timer: | |
232 | if (ioc->fault_reset_work_q) | |
233 | queue_delayed_work(ioc->fault_reset_work_q, | |
234 | &ioc->fault_reset_work, | |
235 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
236 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
237 | } | |
238 | ||
e4750c98 KD |
239 | /** |
240 | * mpt2sas_base_start_watchdog - start the fault_reset_work_q | |
cef7a12c | 241 | * @ioc: per adapter object |
e4750c98 KD |
242 | * Context: sleep. |
243 | * | |
244 | * Return nothing. | |
245 | */ | |
246 | void | |
247 | mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
248 | { | |
249 | unsigned long flags; | |
250 | ||
251 | if (ioc->fault_reset_work_q) | |
252 | return; | |
253 | ||
254 | /* initialize fault polling */ | |
255 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); | |
256 | snprintf(ioc->fault_reset_work_q_name, | |
257 | sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); | |
258 | ioc->fault_reset_work_q = | |
259 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); | |
260 | if (!ioc->fault_reset_work_q) { | |
261 | printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", | |
262 | ioc->name, __func__, __LINE__); | |
263 | return; | |
264 | } | |
265 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
266 | if (ioc->fault_reset_work_q) | |
267 | queue_delayed_work(ioc->fault_reset_work_q, | |
268 | &ioc->fault_reset_work, | |
269 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
270 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
271 | } | |
272 | ||
273 | /** | |
274 | * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q | |
cef7a12c | 275 | * @ioc: per adapter object |
e4750c98 KD |
276 | * Context: sleep. |
277 | * | |
278 | * Return nothing. | |
279 | */ | |
280 | void | |
281 | mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
282 | { | |
283 | unsigned long flags; | |
284 | struct workqueue_struct *wq; | |
285 | ||
286 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
287 | wq = ioc->fault_reset_work_q; | |
288 | ioc->fault_reset_work_q = NULL; | |
289 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
290 | if (wq) { | |
02b77081 | 291 | if (!cancel_delayed_work_sync(&ioc->fault_reset_work)) |
e4750c98 KD |
292 | flush_workqueue(wq); |
293 | destroy_workqueue(wq); | |
294 | } | |
295 | } | |
296 | ||
fa7f3167 KD |
297 | /** |
298 | * mpt2sas_base_fault_info - verbose translation of firmware FAULT code | |
299 | * @ioc: per adapter object | |
300 | * @fault_code: fault code | |
301 | * | |
302 | * Return nothing. | |
303 | */ | |
304 | void | |
305 | mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) | |
306 | { | |
307 | printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", | |
308 | ioc->name, fault_code); | |
309 | } | |
310 | ||
311 | /** | |
312 | * mpt2sas_halt_firmware - halt's mpt controller firmware | |
313 | * @ioc: per adapter object | |
314 | * | |
315 | * For debugging timeout related issues. Writing 0xCOFFEE00 | |
316 | * to the doorbell register will halt controller firmware. With | |
317 | * the purpose to stop both driver and firmware, the enduser can | |
318 | * obtain a ring buffer from controller UART. | |
319 | */ | |
320 | void | |
321 | mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) | |
322 | { | |
323 | u32 doorbell; | |
324 | ||
325 | if (!ioc->fwfault_debug) | |
326 | return; | |
327 | ||
328 | dump_stack(); | |
329 | ||
330 | doorbell = readl(&ioc->chip->Doorbell); | |
331 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
332 | mpt2sas_base_fault_info(ioc , doorbell); | |
333 | else { | |
334 | writel(0xC0FFEE00, &ioc->chip->Doorbell); | |
335 | printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " | |
336 | "timeout\n", ioc->name); | |
337 | } | |
338 | ||
339 | panic("panic in %s\n", __func__); | |
340 | } | |
341 | ||
635374e7 EM |
342 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
343 | /** | |
344 | * _base_sas_ioc_info - verbose translation of the ioc status | |
cef7a12c | 345 | * @ioc: per adapter object |
635374e7 EM |
346 | * @mpi_reply: reply mf payload returned from firmware |
347 | * @request_hdr: request mf | |
348 | * | |
349 | * Return nothing. | |
350 | */ | |
351 | static void | |
352 | _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, | |
353 | MPI2RequestHeader_t *request_hdr) | |
354 | { | |
355 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
356 | MPI2_IOCSTATUS_MASK; | |
357 | char *desc = NULL; | |
358 | u16 frame_sz; | |
359 | char *func_str = NULL; | |
360 | ||
361 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ | |
362 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
363 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
364 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) | |
365 | return; | |
366 | ||
e94f6747 KD |
367 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
368 | return; | |
369 | ||
635374e7 EM |
370 | switch (ioc_status) { |
371 | ||
372 | /**************************************************************************** | |
373 | * Common IOCStatus values for all replies | |
374 | ****************************************************************************/ | |
375 | ||
376 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
377 | desc = "invalid function"; | |
378 | break; | |
379 | case MPI2_IOCSTATUS_BUSY: | |
380 | desc = "busy"; | |
381 | break; | |
382 | case MPI2_IOCSTATUS_INVALID_SGL: | |
383 | desc = "invalid sgl"; | |
384 | break; | |
385 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
386 | desc = "internal error"; | |
387 | break; | |
388 | case MPI2_IOCSTATUS_INVALID_VPID: | |
389 | desc = "invalid vpid"; | |
390 | break; | |
391 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
392 | desc = "insufficient resources"; | |
393 | break; | |
394 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
395 | desc = "invalid field"; | |
396 | break; | |
397 | case MPI2_IOCSTATUS_INVALID_STATE: | |
398 | desc = "invalid state"; | |
399 | break; | |
400 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: | |
401 | desc = "op state not supported"; | |
402 | break; | |
403 | ||
404 | /**************************************************************************** | |
405 | * Config IOCStatus values | |
406 | ****************************************************************************/ | |
407 | ||
408 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: | |
409 | desc = "config invalid action"; | |
410 | break; | |
411 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: | |
412 | desc = "config invalid type"; | |
413 | break; | |
414 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: | |
415 | desc = "config invalid page"; | |
416 | break; | |
417 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: | |
418 | desc = "config invalid data"; | |
419 | break; | |
420 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: | |
421 | desc = "config no defaults"; | |
422 | break; | |
423 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: | |
424 | desc = "config cant commit"; | |
425 | break; | |
426 | ||
427 | /**************************************************************************** | |
428 | * SCSI IO Reply | |
429 | ****************************************************************************/ | |
430 | ||
431 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
432 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
433 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
434 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
435 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
436 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
437 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
438 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
439 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
440 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
441 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
442 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
443 | break; | |
444 | ||
445 | /**************************************************************************** | |
446 | * For use by SCSI Initiator and SCSI Target end-to-end data protection | |
447 | ****************************************************************************/ | |
448 | ||
449 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
450 | desc = "eedp guard error"; | |
451 | break; | |
452 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
453 | desc = "eedp ref tag error"; | |
454 | break; | |
455 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
456 | desc = "eedp app tag error"; | |
457 | break; | |
458 | ||
459 | /**************************************************************************** | |
460 | * SCSI Target values | |
461 | ****************************************************************************/ | |
462 | ||
463 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: | |
464 | desc = "target invalid io index"; | |
465 | break; | |
466 | case MPI2_IOCSTATUS_TARGET_ABORTED: | |
467 | desc = "target aborted"; | |
468 | break; | |
469 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: | |
470 | desc = "target no conn retryable"; | |
471 | break; | |
472 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: | |
473 | desc = "target no connection"; | |
474 | break; | |
475 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: | |
476 | desc = "target xfer count mismatch"; | |
477 | break; | |
478 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: | |
479 | desc = "target data offset error"; | |
480 | break; | |
481 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: | |
482 | desc = "target too much write data"; | |
483 | break; | |
484 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: | |
485 | desc = "target iu too short"; | |
486 | break; | |
487 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: | |
488 | desc = "target ack nak timeout"; | |
489 | break; | |
490 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: | |
491 | desc = "target nak received"; | |
492 | break; | |
493 | ||
494 | /**************************************************************************** | |
495 | * Serial Attached SCSI values | |
496 | ****************************************************************************/ | |
497 | ||
498 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: | |
499 | desc = "smp request failed"; | |
500 | break; | |
501 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: | |
502 | desc = "smp data overrun"; | |
503 | break; | |
504 | ||
505 | /**************************************************************************** | |
506 | * Diagnostic Buffer Post / Diagnostic Release values | |
507 | ****************************************************************************/ | |
508 | ||
509 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: | |
510 | desc = "diagnostic released"; | |
511 | break; | |
512 | default: | |
513 | break; | |
514 | } | |
515 | ||
516 | if (!desc) | |
517 | return; | |
518 | ||
519 | switch (request_hdr->Function) { | |
520 | case MPI2_FUNCTION_CONFIG: | |
521 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; | |
522 | func_str = "config_page"; | |
523 | break; | |
524 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
525 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); | |
526 | func_str = "task_mgmt"; | |
527 | break; | |
528 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
529 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); | |
530 | func_str = "sas_iounit_ctl"; | |
531 | break; | |
532 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
533 | frame_sz = sizeof(Mpi2SepRequest_t); | |
534 | func_str = "enclosure"; | |
535 | break; | |
536 | case MPI2_FUNCTION_IOC_INIT: | |
537 | frame_sz = sizeof(Mpi2IOCInitRequest_t); | |
538 | func_str = "ioc_init"; | |
539 | break; | |
540 | case MPI2_FUNCTION_PORT_ENABLE: | |
541 | frame_sz = sizeof(Mpi2PortEnableRequest_t); | |
542 | func_str = "port_enable"; | |
543 | break; | |
544 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
545 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; | |
546 | func_str = "smp_passthru"; | |
547 | break; | |
548 | default: | |
549 | frame_sz = 32; | |
550 | func_str = "unknown"; | |
551 | break; | |
552 | } | |
553 | ||
554 | printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," | |
555 | " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); | |
556 | ||
557 | _debug_dump_mf(request_hdr, frame_sz/4); | |
558 | } | |
559 | ||
560 | /** | |
561 | * _base_display_event_data - verbose translation of firmware asyn events | |
cef7a12c | 562 | * @ioc: per adapter object |
635374e7 EM |
563 | * @mpi_reply: reply mf payload returned from firmware |
564 | * | |
565 | * Return nothing. | |
566 | */ | |
567 | static void | |
568 | _base_display_event_data(struct MPT2SAS_ADAPTER *ioc, | |
569 | Mpi2EventNotificationReply_t *mpi_reply) | |
570 | { | |
571 | char *desc = NULL; | |
572 | u16 event; | |
573 | ||
574 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) | |
575 | return; | |
576 | ||
577 | event = le16_to_cpu(mpi_reply->Event); | |
578 | ||
579 | switch (event) { | |
580 | case MPI2_EVENT_LOG_DATA: | |
581 | desc = "Log Data"; | |
582 | break; | |
583 | case MPI2_EVENT_STATE_CHANGE: | |
584 | desc = "Status Change"; | |
585 | break; | |
586 | case MPI2_EVENT_HARD_RESET_RECEIVED: | |
587 | desc = "Hard Reset Received"; | |
588 | break; | |
589 | case MPI2_EVENT_EVENT_CHANGE: | |
590 | desc = "Event Change"; | |
591 | break; | |
635374e7 EM |
592 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
593 | desc = "Device Status Change"; | |
594 | break; | |
595 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
0bdccdb0 KD |
596 | if (!ioc->hide_ir_msg) |
597 | desc = "IR Operation Status"; | |
635374e7 EM |
598 | break; |
599 | case MPI2_EVENT_SAS_DISCOVERY: | |
e94f6747 KD |
600 | { |
601 | Mpi2EventDataSasDiscovery_t *event_data = | |
602 | (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; | |
603 | printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, | |
604 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
605 | "start" : "stop"); | |
606 | if (event_data->DiscoveryStatus) | |
607 | printk("discovery_status(0x%08x)", | |
608 | le32_to_cpu(event_data->DiscoveryStatus)); | |
7968f194 | 609 | printk("\n"); |
e94f6747 KD |
610 | return; |
611 | } | |
635374e7 EM |
612 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
613 | desc = "SAS Broadcast Primitive"; | |
614 | break; | |
615 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: | |
616 | desc = "SAS Init Device Status Change"; | |
617 | break; | |
618 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: | |
619 | desc = "SAS Init Table Overflow"; | |
620 | break; | |
621 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
622 | desc = "SAS Topology Change List"; | |
623 | break; | |
624 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
625 | desc = "SAS Enclosure Device Status Change"; | |
626 | break; | |
627 | case MPI2_EVENT_IR_VOLUME: | |
0bdccdb0 KD |
628 | if (!ioc->hide_ir_msg) |
629 | desc = "IR Volume"; | |
635374e7 EM |
630 | break; |
631 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
0bdccdb0 KD |
632 | if (!ioc->hide_ir_msg) |
633 | desc = "IR Physical Disk"; | |
635374e7 EM |
634 | break; |
635 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
0bdccdb0 KD |
636 | if (!ioc->hide_ir_msg) |
637 | desc = "IR Configuration Change List"; | |
635374e7 EM |
638 | break; |
639 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
0bdccdb0 KD |
640 | if (!ioc->hide_ir_msg) |
641 | desc = "Log Entry Added"; | |
635374e7 | 642 | break; |
2d8ce8c9 SR |
643 | case MPI2_EVENT_TEMP_THRESHOLD: |
644 | desc = "Temperature Threshold"; | |
645 | break; | |
635374e7 EM |
646 | } |
647 | ||
648 | if (!desc) | |
649 | return; | |
650 | ||
651 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); | |
652 | } | |
653 | #endif | |
654 | ||
655 | /** | |
656 | * _base_sas_log_info - verbose translation of firmware log info | |
cef7a12c | 657 | * @ioc: per adapter object |
635374e7 EM |
658 | * @log_info: log info |
659 | * | |
660 | * Return nothing. | |
661 | */ | |
662 | static void | |
663 | _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) | |
664 | { | |
665 | union loginfo_type { | |
666 | u32 loginfo; | |
667 | struct { | |
668 | u32 subcode:16; | |
669 | u32 code:8; | |
670 | u32 originator:4; | |
671 | u32 bus_type:4; | |
672 | } dw; | |
673 | }; | |
674 | union loginfo_type sas_loginfo; | |
675 | char *originator_str = NULL; | |
676 | ||
677 | sas_loginfo.loginfo = log_info; | |
678 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) | |
679 | return; | |
680 | ||
be9e8cd7 KD |
681 | /* each nexus loss loginfo */ |
682 | if (log_info == 0x31170000) | |
683 | return; | |
684 | ||
635374e7 | 685 | /* eat the loginfos associated with task aborts */ |
714be358 | 686 | if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == |
635374e7 EM |
687 | 0x31140000 || log_info == 0x31130000)) |
688 | return; | |
689 | ||
690 | switch (sas_loginfo.dw.originator) { | |
691 | case 0: | |
692 | originator_str = "IOP"; | |
693 | break; | |
694 | case 1: | |
695 | originator_str = "PL"; | |
696 | break; | |
697 | case 2: | |
0bdccdb0 KD |
698 | if (!ioc->hide_ir_msg) |
699 | originator_str = "IR"; | |
700 | else | |
701 | originator_str = "WarpDrive"; | |
635374e7 EM |
702 | break; |
703 | } | |
704 | ||
705 | printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " | |
706 | "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, | |
707 | originator_str, sas_loginfo.dw.code, | |
708 | sas_loginfo.dw.subcode); | |
709 | } | |
710 | ||
635374e7 EM |
711 | /** |
712 | * _base_display_reply_info - | |
cef7a12c | 713 | * @ioc: per adapter object |
635374e7 | 714 | * @smid: system request message index |
7b936b02 | 715 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
716 | * @reply: reply message frame(lower 32bit addr) |
717 | * | |
718 | * Return nothing. | |
719 | */ | |
720 | static void | |
7b936b02 | 721 | _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
635374e7 EM |
722 | u32 reply) |
723 | { | |
724 | MPI2DefaultReply_t *mpi_reply; | |
725 | u16 ioc_status; | |
726 | ||
727 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
298c794d | 728 | if (unlikely(!mpi_reply)) { |
729 | printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", | |
730 | ioc->name, __FILE__, __LINE__, __func__); | |
731 | return; | |
732 | } | |
635374e7 EM |
733 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
734 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
735 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && | |
736 | (ioc->logging_level & MPT_DEBUG_REPLY)) { | |
737 | _base_sas_ioc_info(ioc , mpi_reply, | |
738 | mpt2sas_base_get_msg_frame(ioc, smid)); | |
739 | } | |
740 | #endif | |
741 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
742 | _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
743 | } | |
744 | ||
745 | /** | |
746 | * mpt2sas_base_done - base internal command completion routine | |
cef7a12c | 747 | * @ioc: per adapter object |
635374e7 | 748 | * @smid: system request message index |
7b936b02 | 749 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
750 | * @reply: reply message frame(lower 32bit addr) |
751 | * | |
77e63ed4 KD |
752 | * Return 1 meaning mf should be freed from _base_interrupt |
753 | * 0 means the mf is freed from this function. | |
635374e7 | 754 | */ |
77e63ed4 | 755 | u8 |
7b936b02 KD |
756 | mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
757 | u32 reply) | |
635374e7 EM |
758 | { |
759 | MPI2DefaultReply_t *mpi_reply; | |
760 | ||
761 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
762 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
77e63ed4 | 763 | return 1; |
635374e7 EM |
764 | |
765 | if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 766 | return 1; |
635374e7 EM |
767 | |
768 | ioc->base_cmds.status |= MPT2_CMD_COMPLETE; | |
769 | if (mpi_reply) { | |
770 | ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; | |
771 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
772 | } | |
773 | ioc->base_cmds.status &= ~MPT2_CMD_PENDING; | |
921cd802 | 774 | |
635374e7 | 775 | complete(&ioc->base_cmds.done); |
77e63ed4 | 776 | return 1; |
635374e7 EM |
777 | } |
778 | ||
779 | /** | |
780 | * _base_async_event - main callback handler for firmware asyn events | |
cef7a12c | 781 | * @ioc: per adapter object |
7b936b02 | 782 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
783 | * @reply: reply message frame(lower 32bit addr) |
784 | * | |
6409a7d0 | 785 | * Returns void. |
635374e7 | 786 | */ |
6409a7d0 | 787 | static void |
7b936b02 | 788 | _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) |
635374e7 EM |
789 | { |
790 | Mpi2EventNotificationReply_t *mpi_reply; | |
791 | Mpi2EventAckRequest_t *ack_request; | |
792 | u16 smid; | |
793 | ||
794 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
795 | if (!mpi_reply) | |
6409a7d0 | 796 | return; |
635374e7 | 797 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) |
6409a7d0 | 798 | return; |
635374e7 EM |
799 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
800 | _base_display_event_data(ioc, mpi_reply); | |
801 | #endif | |
802 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) | |
803 | goto out; | |
804 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
805 | if (!smid) { | |
806 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
807 | ioc->name, __func__); | |
808 | goto out; | |
809 | } | |
810 | ||
811 | ack_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
812 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
813 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
814 | ack_request->Event = mpi_reply->Event; | |
815 | ack_request->EventContext = mpi_reply->EventContext; | |
7b936b02 KD |
816 | ack_request->VF_ID = 0; /* TODO */ |
817 | ack_request->VP_ID = 0; | |
818 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
819 | |
820 | out: | |
821 | ||
822 | /* scsih callback handler */ | |
7b936b02 | 823 | mpt2sas_scsih_event_callback(ioc, msix_index, reply); |
635374e7 EM |
824 | |
825 | /* ctl callback handler */ | |
7b936b02 | 826 | mpt2sas_ctl_event_callback(ioc, msix_index, reply); |
77e63ed4 | 827 | |
6409a7d0 | 828 | return; |
635374e7 EM |
829 | } |
830 | ||
595bb0bd KD |
831 | /** |
832 | * _base_get_cb_idx - obtain the callback index | |
833 | * @ioc: per adapter object | |
834 | * @smid: system request message index | |
835 | * | |
836 | * Return callback index. | |
837 | */ | |
838 | static u8 | |
839 | _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
840 | { | |
841 | int i; | |
d5bd3491 KD |
842 | u8 cb_idx; |
843 | ||
844 | if (smid < ioc->hi_priority_smid) { | |
595bb0bd KD |
845 | i = smid - 1; |
846 | cb_idx = ioc->scsi_lookup[i].cb_idx; | |
d5bd3491 KD |
847 | } else if (smid < ioc->internal_smid) { |
848 | i = smid - ioc->hi_priority_smid; | |
849 | cb_idx = ioc->hpr_lookup[i].cb_idx; | |
850 | } else if (smid <= ioc->hba_queue_depth) { | |
851 | i = smid - ioc->internal_smid; | |
852 | cb_idx = ioc->internal_lookup[i].cb_idx; | |
853 | } else | |
854 | cb_idx = 0xFF; | |
595bb0bd KD |
855 | return cb_idx; |
856 | } | |
857 | ||
635374e7 EM |
858 | /** |
859 | * _base_mask_interrupts - disable interrupts | |
cef7a12c | 860 | * @ioc: per adapter object |
635374e7 EM |
861 | * |
862 | * Disabling ResetIRQ, Reply and Doorbell Interrupts | |
863 | * | |
864 | * Return nothing. | |
865 | */ | |
866 | static void | |
867 | _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
868 | { | |
869 | u32 him_register; | |
870 | ||
871 | ioc->mask_interrupts = 1; | |
872 | him_register = readl(&ioc->chip->HostInterruptMask); | |
873 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; | |
874 | writel(him_register, &ioc->chip->HostInterruptMask); | |
875 | readl(&ioc->chip->HostInterruptMask); | |
876 | } | |
877 | ||
878 | /** | |
879 | * _base_unmask_interrupts - enable interrupts | |
cef7a12c | 880 | * @ioc: per adapter object |
635374e7 EM |
881 | * |
882 | * Enabling only Reply Interrupts | |
883 | * | |
884 | * Return nothing. | |
885 | */ | |
886 | static void | |
887 | _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
888 | { | |
889 | u32 him_register; | |
890 | ||
635374e7 EM |
891 | him_register = readl(&ioc->chip->HostInterruptMask); |
892 | him_register &= ~MPI2_HIM_RIM; | |
893 | writel(him_register, &ioc->chip->HostInterruptMask); | |
894 | ioc->mask_interrupts = 0; | |
895 | } | |
896 | ||
5b768581 KD |
897 | union reply_descriptor { |
898 | u64 word; | |
899 | struct { | |
900 | u32 low; | |
901 | u32 high; | |
902 | } u; | |
903 | }; | |
904 | ||
635374e7 EM |
905 | /** |
906 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. | |
907 | * @irq: irq number (not used) | |
908 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure | |
909 | * @r: pt_regs pointer (not used) | |
910 | * | |
911 | * Return IRQ_HANDLE if processed, else IRQ_NONE. | |
912 | */ | |
913 | static irqreturn_t | |
914 | _base_interrupt(int irq, void *bus_id) | |
915 | { | |
911ae943 | 916 | struct adapter_reply_queue *reply_q = bus_id; |
03ea1115 | 917 | union reply_descriptor rd; |
5b768581 | 918 | u32 completed_cmds; |
635374e7 EM |
919 | u8 request_desript_type; |
920 | u16 smid; | |
921 | u8 cb_idx; | |
922 | u32 reply; | |
911ae943 | 923 | u8 msix_index = reply_q->msix_index; |
924 | struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; | |
5b768581 | 925 | Mpi2ReplyDescriptorsUnion_t *rpf; |
77e63ed4 | 926 | u8 rc; |
635374e7 EM |
927 | |
928 | if (ioc->mask_interrupts) | |
929 | return IRQ_NONE; | |
930 | ||
911ae943 | 931 | if (!atomic_add_unless(&reply_q->busy, 1, 1)) |
932 | return IRQ_NONE; | |
933 | ||
934 | rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; | |
5b768581 KD |
935 | request_desript_type = rpf->Default.ReplyFlags |
936 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
911ae943 | 937 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { |
938 | atomic_dec(&reply_q->busy); | |
635374e7 | 939 | return IRQ_NONE; |
911ae943 | 940 | } |
635374e7 EM |
941 | |
942 | completed_cmds = 0; | |
dd3741d3 | 943 | cb_idx = 0xFF; |
635374e7 | 944 | do { |
c97951ec | 945 | rd.word = le64_to_cpu(rpf->Words); |
03ea1115 | 946 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) |
635374e7 EM |
947 | goto out; |
948 | reply = 0; | |
5b768581 | 949 | smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); |
635374e7 EM |
950 | if (request_desript_type == |
951 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { | |
5b768581 KD |
952 | reply = le32_to_cpu |
953 | (rpf->AddressReply.ReplyFrameAddress); | |
dd3741d3 KD |
954 | if (reply > ioc->reply_dma_max_address || |
955 | reply < ioc->reply_dma_min_address) | |
956 | reply = 0; | |
635374e7 EM |
957 | } else if (request_desript_type == |
958 | MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) | |
959 | goto next; | |
960 | else if (request_desript_type == | |
961 | MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) | |
962 | goto next; | |
298c794d | 963 | if (smid) { |
595bb0bd | 964 | cb_idx = _base_get_cb_idx(ioc, smid); |
298c794d | 965 | if ((likely(cb_idx < MPT_MAX_CALLBACKS)) |
966 | && (likely(mpt_callbacks[cb_idx] != NULL))) { | |
967 | rc = mpt_callbacks[cb_idx](ioc, smid, | |
968 | msix_index, reply); | |
635374e7 | 969 | if (reply) |
298c794d | 970 | _base_display_reply_info(ioc, smid, |
971 | msix_index, reply); | |
77e63ed4 KD |
972 | if (rc) |
973 | mpt2sas_base_free_smid(ioc, smid); | |
298c794d | 974 | } |
635374e7 EM |
975 | } |
976 | if (!smid) | |
7b936b02 | 977 | _base_async_event(ioc, msix_index, reply); |
635374e7 EM |
978 | |
979 | /* reply free queue handling */ | |
980 | if (reply) { | |
981 | ioc->reply_free_host_index = | |
982 | (ioc->reply_free_host_index == | |
983 | (ioc->reply_free_queue_depth - 1)) ? | |
984 | 0 : ioc->reply_free_host_index + 1; | |
985 | ioc->reply_free[ioc->reply_free_host_index] = | |
986 | cpu_to_le32(reply); | |
5b768581 | 987 | wmb(); |
635374e7 EM |
988 | writel(ioc->reply_free_host_index, |
989 | &ioc->chip->ReplyFreeHostIndex); | |
635374e7 EM |
990 | } |
991 | ||
992 | next: | |
5b768581 | 993 | |
c97951ec | 994 | rpf->Words = cpu_to_le64(ULLONG_MAX); |
911ae943 | 995 | reply_q->reply_post_host_index = |
996 | (reply_q->reply_post_host_index == | |
5b768581 | 997 | (ioc->reply_post_queue_depth - 1)) ? 0 : |
911ae943 | 998 | reply_q->reply_post_host_index + 1; |
635374e7 | 999 | request_desript_type = |
911ae943 | 1000 | reply_q->reply_post_free[reply_q->reply_post_host_index]. |
1001 | Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
635374e7 EM |
1002 | completed_cmds++; |
1003 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
1004 | goto out; | |
911ae943 | 1005 | if (!reply_q->reply_post_host_index) |
1006 | rpf = reply_q->reply_post_free; | |
5b768581 KD |
1007 | else |
1008 | rpf++; | |
635374e7 EM |
1009 | } while (1); |
1010 | ||
1011 | out: | |
1012 | ||
911ae943 | 1013 | if (!completed_cmds) { |
1014 | atomic_dec(&reply_q->busy); | |
635374e7 | 1015 | return IRQ_NONE; |
911ae943 | 1016 | } |
635374e7 | 1017 | wmb(); |
911ae943 | 1018 | if (ioc->is_warpdrive) { |
1019 | writel(reply_q->reply_post_host_index, | |
1020 | ioc->reply_post_host_index[msix_index]); | |
1021 | atomic_dec(&reply_q->busy); | |
1022 | return IRQ_HANDLED; | |
1023 | } | |
1024 | writel(reply_q->reply_post_host_index | (msix_index << | |
1025 | MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); | |
1026 | atomic_dec(&reply_q->busy); | |
635374e7 EM |
1027 | return IRQ_HANDLED; |
1028 | } | |
1029 | ||
911ae943 | 1030 | /** |
1031 | * _base_is_controller_msix_enabled - is controller support muli-reply queues | |
1032 | * @ioc: per adapter object | |
1033 | * | |
1034 | */ | |
1035 | static inline int | |
1036 | _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) | |
1037 | { | |
1038 | return (ioc->facts.IOCCapabilities & | |
1039 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; | |
1040 | } | |
1041 | ||
1042 | /** | |
1043 | * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues | |
1044 | * @ioc: per adapter object | |
1045 | * Context: ISR conext | |
1046 | * | |
1047 | * Called when a Task Management request has completed. We want | |
1048 | * to flush the other reply queues so all the outstanding IO has been | |
1049 | * completed back to OS before we process the TM completetion. | |
1050 | * | |
1051 | * Return nothing. | |
1052 | */ | |
1053 | void | |
1054 | mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) | |
1055 | { | |
1056 | struct adapter_reply_queue *reply_q; | |
1057 | ||
1058 | /* If MSIX capability is turned off | |
1059 | * then multi-queues are not enabled | |
1060 | */ | |
1061 | if (!_base_is_controller_msix_enabled(ioc)) | |
1062 | return; | |
1063 | ||
1064 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
1065 | if (ioc->shost_recovery) | |
1066 | return; | |
1067 | /* TMs are on msix_index == 0 */ | |
1068 | if (reply_q->msix_index == 0) | |
1069 | continue; | |
1070 | _base_interrupt(reply_q->vector, (void *)reply_q); | |
1071 | } | |
1072 | } | |
1073 | ||
635374e7 | 1074 | /** |
25985edc | 1075 | * mpt2sas_base_release_callback_handler - clear interrupt callback handler |
635374e7 EM |
1076 | * @cb_idx: callback index |
1077 | * | |
1078 | * Return nothing. | |
1079 | */ | |
1080 | void | |
1081 | mpt2sas_base_release_callback_handler(u8 cb_idx) | |
1082 | { | |
1083 | mpt_callbacks[cb_idx] = NULL; | |
1084 | } | |
1085 | ||
1086 | /** | |
1087 | * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler | |
1088 | * @cb_func: callback function | |
1089 | * | |
1090 | * Returns cb_func. | |
1091 | */ | |
1092 | u8 | |
1093 | mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) | |
1094 | { | |
1095 | u8 cb_idx; | |
1096 | ||
1097 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) | |
1098 | if (mpt_callbacks[cb_idx] == NULL) | |
1099 | break; | |
1100 | ||
1101 | mpt_callbacks[cb_idx] = cb_func; | |
1102 | return cb_idx; | |
1103 | } | |
1104 | ||
1105 | /** | |
1106 | * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler | |
1107 | * | |
1108 | * Return nothing. | |
1109 | */ | |
1110 | void | |
1111 | mpt2sas_base_initialize_callback_handler(void) | |
1112 | { | |
1113 | u8 cb_idx; | |
1114 | ||
1115 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) | |
1116 | mpt2sas_base_release_callback_handler(cb_idx); | |
1117 | } | |
1118 | ||
1119 | /** | |
1120 | * mpt2sas_base_build_zero_len_sge - build zero length sg entry | |
1121 | * @ioc: per adapter object | |
1122 | * @paddr: virtual address for SGE | |
1123 | * | |
1124 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
1125 | * something to use if the target device goes brain dead and tries | |
1126 | * to send data even when none is asked for. | |
1127 | * | |
1128 | * Return nothing. | |
1129 | */ | |
1130 | void | |
1131 | mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) | |
1132 | { | |
1133 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1134 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | | |
1135 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << | |
1136 | MPI2_SGE_FLAGS_SHIFT); | |
1137 | ioc->base_add_sg_single(paddr, flags_length, -1); | |
1138 | } | |
1139 | ||
1140 | /** | |
1141 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. | |
1142 | * @paddr: virtual address for SGE | |
1143 | * @flags_length: SGE flags and data transfer length | |
1144 | * @dma_addr: Physical address | |
1145 | * | |
1146 | * Return nothing. | |
1147 | */ | |
1148 | static void | |
1149 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1150 | { | |
1151 | Mpi2SGESimple32_t *sgel = paddr; | |
1152 | ||
1153 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | | |
1154 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1155 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1156 | sgel->Address = cpu_to_le32(dma_addr); | |
1157 | } | |
1158 | ||
1159 | ||
1160 | /** | |
1161 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. | |
1162 | * @paddr: virtual address for SGE | |
1163 | * @flags_length: SGE flags and data transfer length | |
1164 | * @dma_addr: Physical address | |
1165 | * | |
1166 | * Return nothing. | |
1167 | */ | |
1168 | static void | |
1169 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1170 | { | |
1171 | Mpi2SGESimple64_t *sgel = paddr; | |
1172 | ||
1173 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | | |
1174 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1175 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1176 | sgel->Address = cpu_to_le64(dma_addr); | |
1177 | } | |
1178 | ||
1179 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) | |
1180 | ||
1181 | /** | |
1182 | * _base_config_dma_addressing - set dma addressing | |
1183 | * @ioc: per adapter object | |
1184 | * @pdev: PCI device struct | |
1185 | * | |
1186 | * Returns 0 for success, non-zero for failure. | |
1187 | */ | |
1188 | static int | |
1189 | _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) | |
1190 | { | |
1191 | struct sysinfo s; | |
5fb1bf8a SR |
1192 | u64 consistent_dma_mask; |
1193 | ||
1194 | if (ioc->dma_mask) | |
1195 | consistent_dma_mask = DMA_BIT_MASK(64); | |
1196 | else | |
1197 | consistent_dma_mask = DMA_BIT_MASK(32); | |
635374e7 EM |
1198 | |
1199 | if (sizeof(dma_addr_t) > 4) { | |
1200 | const uint64_t required_mask = | |
1201 | dma_get_required_mask(&pdev->dev); | |
5fb1bf8a SR |
1202 | if ((required_mask > DMA_BIT_MASK(32)) && |
1203 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1204 | !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) { | |
635374e7 EM |
1205 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
1206 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); | |
5fb1bf8a | 1207 | ioc->dma_mask = 64; |
635374e7 EM |
1208 | goto out; |
1209 | } | |
1210 | } | |
1211 | ||
e930438c YH |
1212 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) |
1213 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
635374e7 EM |
1214 | ioc->base_add_sg_single = &_base_add_sg_single_32; |
1215 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); | |
5fb1bf8a | 1216 | ioc->dma_mask = 32; |
635374e7 EM |
1217 | } else |
1218 | return -ENODEV; | |
1219 | ||
1220 | out: | |
1221 | si_meminfo(&s); | |
5fb1bf8a SR |
1222 | printk(MPT2SAS_INFO_FMT |
1223 | "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n", | |
1224 | ioc->name, ioc->dma_mask, convert_to_kb(s.totalram)); | |
635374e7 EM |
1225 | |
1226 | return 0; | |
1227 | } | |
1228 | ||
5fb1bf8a SR |
1229 | static int |
1230 | _base_change_consistent_dma_mask(struct MPT2SAS_ADAPTER *ioc, | |
1231 | struct pci_dev *pdev) | |
1232 | { | |
1233 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { | |
1234 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1235 | return -ENODEV; | |
1236 | } | |
1237 | return 0; | |
1238 | } | |
635374e7 | 1239 | /** |
911ae943 | 1240 | * _base_check_enable_msix - checks MSIX capabable. |
635374e7 EM |
1241 | * @ioc: per adapter object |
1242 | * | |
911ae943 | 1243 | * Check to see if card is capable of MSIX, and set number |
1244 | * of available msix vectors | |
635374e7 | 1245 | */ |
911ae943 | 1246 | static int |
1247 | _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
635374e7 | 1248 | { |
911ae943 | 1249 | int base; |
1250 | u16 message_control; | |
635374e7 | 1251 | |
635374e7 | 1252 | |
10cce6d8 | 1253 | /* Check whether controller SAS2008 B0 controller, |
1254 | if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ | |
1255 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && | |
1256 | ioc->pdev->revision == 0x01) { | |
1257 | return -EINVAL; | |
1258 | } | |
1259 | ||
911ae943 | 1260 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); |
1261 | if (!base) { | |
1262 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " | |
1263 | "supported\n", ioc->name)); | |
1264 | return -EINVAL; | |
1265 | } | |
1266 | ||
1267 | /* get msix vector count */ | |
1268 | /* NUMA_IO not supported for older controllers */ | |
1269 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || | |
1270 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || | |
1271 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || | |
1272 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || | |
1273 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || | |
1274 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || | |
1275 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) | |
1276 | ioc->msix_vector_count = 1; | |
1277 | else { | |
1278 | pci_read_config_word(ioc->pdev, base + 2, &message_control); | |
1279 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; | |
1280 | } | |
1281 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " | |
1282 | "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); | |
1283 | ||
1284 | return 0; | |
635374e7 EM |
1285 | } |
1286 | ||
1287 | /** | |
911ae943 | 1288 | * _base_free_irq - free irq |
635374e7 EM |
1289 | * @ioc: per adapter object |
1290 | * | |
911ae943 | 1291 | * Freeing respective reply_queue from the list. |
635374e7 EM |
1292 | */ |
1293 | static void | |
911ae943 | 1294 | _base_free_irq(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 1295 | { |
911ae943 | 1296 | struct adapter_reply_queue *reply_q, *next; |
635374e7 | 1297 | |
911ae943 | 1298 | if (list_empty(&ioc->reply_queue_list)) |
635374e7 EM |
1299 | return; |
1300 | ||
911ae943 | 1301 | list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { |
1302 | list_del(&reply_q->list); | |
14b3114d SR |
1303 | irq_set_affinity_hint(reply_q->vector, NULL); |
1304 | free_cpumask_var(reply_q->affinity_hint); | |
911ae943 | 1305 | synchronize_irq(reply_q->vector); |
1306 | free_irq(reply_q->vector, reply_q); | |
1307 | kfree(reply_q); | |
1308 | } | |
635374e7 EM |
1309 | } |
1310 | ||
1311 | /** | |
911ae943 | 1312 | * _base_request_irq - request irq |
635374e7 | 1313 | * @ioc: per adapter object |
911ae943 | 1314 | * @index: msix index into vector table |
1315 | * @vector: irq vector | |
635374e7 | 1316 | * |
911ae943 | 1317 | * Inserting respective reply_queue into the list. |
635374e7 EM |
1318 | */ |
1319 | static int | |
911ae943 | 1320 | _base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) |
635374e7 | 1321 | { |
911ae943 | 1322 | struct adapter_reply_queue *reply_q; |
1323 | int r; | |
635374e7 | 1324 | |
911ae943 | 1325 | reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); |
1326 | if (!reply_q) { | |
1327 | printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", | |
1328 | ioc->name, (int)sizeof(struct adapter_reply_queue)); | |
1329 | return -ENOMEM; | |
1330 | } | |
1331 | reply_q->ioc = ioc; | |
1332 | reply_q->msix_index = index; | |
1333 | reply_q->vector = vector; | |
14b3114d SR |
1334 | |
1335 | if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL)) | |
1336 | return -ENOMEM; | |
1337 | cpumask_clear(reply_q->affinity_hint); | |
1338 | ||
911ae943 | 1339 | atomic_set(&reply_q->busy, 0); |
1340 | if (ioc->msix_enable) | |
1341 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", | |
1342 | MPT2SAS_DRIVER_NAME, ioc->id, index); | |
1343 | else | |
1344 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", | |
1345 | MPT2SAS_DRIVER_NAME, ioc->id); | |
1346 | r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, | |
1347 | reply_q); | |
1348 | if (r) { | |
1349 | printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", | |
1350 | reply_q->name, vector); | |
1351 | kfree(reply_q); | |
1352 | return -EBUSY; | |
635374e7 EM |
1353 | } |
1354 | ||
911ae943 | 1355 | INIT_LIST_HEAD(&reply_q->list); |
1356 | list_add_tail(&reply_q->list, &ioc->reply_queue_list); | |
1357 | return 0; | |
1358 | } | |
635374e7 | 1359 | |
911ae943 | 1360 | /** |
1361 | * _base_assign_reply_queues - assigning msix index for each cpu | |
1362 | * @ioc: per adapter object | |
1363 | * | |
1364 | * The enduser would need to set the affinity via /proc/irq/#/smp_affinity | |
1365 | * | |
1366 | * It would nice if we could call irq_set_affinity, however it is not | |
1367 | * an exported symbol | |
1368 | */ | |
1369 | static void | |
1370 | _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) | |
1371 | { | |
cbbb7b31 | 1372 | unsigned int cpu, nr_cpus, nr_msix, index = 0; |
14b3114d | 1373 | struct adapter_reply_queue *reply_q; |
635374e7 | 1374 | |
911ae943 | 1375 | if (!_base_is_controller_msix_enabled(ioc)) |
1376 | return; | |
1377 | ||
1378 | memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); | |
cbbb7b31 MP |
1379 | |
1380 | nr_cpus = num_online_cpus(); | |
1381 | nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count, | |
1382 | ioc->facts.MaxMSIxVectors); | |
1383 | if (!nr_msix) | |
1384 | return; | |
1385 | ||
1386 | cpu = cpumask_first(cpu_online_mask); | |
1387 | ||
14b3114d SR |
1388 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
1389 | ||
cbbb7b31 MP |
1390 | unsigned int i, group = nr_cpus / nr_msix; |
1391 | ||
14b3114d SR |
1392 | if (cpu >= nr_cpus) |
1393 | break; | |
1394 | ||
cbbb7b31 MP |
1395 | if (index < nr_cpus % nr_msix) |
1396 | group++; | |
1397 | ||
1398 | for (i = 0 ; i < group ; i++) { | |
1399 | ioc->cpu_msix_table[cpu] = index; | |
14b3114d SR |
1400 | cpumask_or(reply_q->affinity_hint, |
1401 | reply_q->affinity_hint, get_cpu_mask(cpu)); | |
cbbb7b31 | 1402 | cpu = cpumask_next(cpu, cpu_online_mask); |
911ae943 | 1403 | } |
cbbb7b31 | 1404 | |
14b3114d SR |
1405 | if (irq_set_affinity_hint(reply_q->vector, |
1406 | reply_q->affinity_hint)) | |
1407 | dinitprintk(ioc, pr_info(MPT2SAS_FMT | |
1408 | "error setting affinity hint for irq vector %d\n", | |
1409 | ioc->name, reply_q->vector)); | |
cbbb7b31 | 1410 | index++; |
14b3114d | 1411 | } |
635374e7 EM |
1412 | } |
1413 | ||
1414 | /** | |
1415 | * _base_disable_msix - disables msix | |
1416 | * @ioc: per adapter object | |
1417 | * | |
1418 | */ | |
1419 | static void | |
1420 | _base_disable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1421 | { | |
1422 | if (ioc->msix_enable) { | |
1423 | pci_disable_msix(ioc->pdev); | |
635374e7 EM |
1424 | ioc->msix_enable = 0; |
1425 | } | |
1426 | } | |
1427 | ||
1428 | /** | |
1429 | * _base_enable_msix - enables msix, failback to io_apic | |
1430 | * @ioc: per adapter object | |
1431 | * | |
1432 | */ | |
1433 | static int | |
1434 | _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1435 | { | |
911ae943 | 1436 | struct msix_entry *entries, *a; |
635374e7 | 1437 | int r; |
911ae943 | 1438 | int i; |
635374e7 EM |
1439 | u8 try_msix = 0; |
1440 | ||
1441 | if (msix_disable == -1 || msix_disable == 0) | |
1442 | try_msix = 1; | |
1443 | ||
1444 | if (!try_msix) | |
1445 | goto try_ioapic; | |
1446 | ||
1447 | if (_base_check_enable_msix(ioc) != 0) | |
1448 | goto try_ioapic; | |
1449 | ||
2f73b9a8 | 1450 | ioc->reply_queue_count = min_t(int, ioc->cpu_count, |
911ae943 | 1451 | ioc->msix_vector_count); |
1452 | ||
5fb1bf8a SR |
1453 | if (!ioc->rdpq_array_enable && max_msix_vectors == -1) |
1454 | max_msix_vectors = 8; | |
1455 | ||
4e1f20ae SR |
1456 | if (max_msix_vectors > 0) { |
1457 | ioc->reply_queue_count = min_t(int, max_msix_vectors, | |
1458 | ioc->reply_queue_count); | |
1459 | ioc->msix_vector_count = ioc->reply_queue_count; | |
5fb1bf8a SR |
1460 | } else if (max_msix_vectors == 0) |
1461 | goto try_ioapic; | |
4e1f20ae SR |
1462 | |
1463 | printk(MPT2SAS_INFO_FMT | |
1464 | "MSI-X vectors supported: %d, no of cores: %d, max_msix_vectors: %d\n", | |
1465 | ioc->name, ioc->msix_vector_count, ioc->cpu_count, max_msix_vectors); | |
1466 | ||
911ae943 | 1467 | entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), |
1468 | GFP_KERNEL); | |
1469 | if (!entries) { | |
1470 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " | |
1471 | "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, | |
1472 | __LINE__, __func__)); | |
635374e7 EM |
1473 | goto try_ioapic; |
1474 | } | |
1475 | ||
911ae943 | 1476 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) |
1477 | a->entry = i; | |
1478 | ||
52674c65 | 1479 | r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count); |
635374e7 | 1480 | if (r) { |
52674c65 AG |
1481 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT |
1482 | "pci_enable_msix_exact failed (r=%d) !!!\n", ioc->name, r)); | |
911ae943 | 1483 | kfree(entries); |
635374e7 EM |
1484 | goto try_ioapic; |
1485 | } | |
1486 | ||
911ae943 | 1487 | ioc->msix_enable = 1; |
1488 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { | |
1489 | r = _base_request_irq(ioc, i, a->vector); | |
1490 | if (r) { | |
1491 | _base_free_irq(ioc); | |
1492 | _base_disable_msix(ioc); | |
1493 | kfree(entries); | |
1494 | goto try_ioapic; | |
1495 | } | |
635374e7 EM |
1496 | } |
1497 | ||
911ae943 | 1498 | kfree(entries); |
635374e7 EM |
1499 | return 0; |
1500 | ||
1501 | /* failback to io_apic interrupt routing */ | |
1502 | try_ioapic: | |
1503 | ||
5fb1bf8a | 1504 | ioc->reply_queue_count = 1; |
911ae943 | 1505 | r = _base_request_irq(ioc, 0, ioc->pdev->irq); |
635374e7 | 1506 | |
635374e7 EM |
1507 | return r; |
1508 | } | |
1509 | ||
1510 | /** | |
1511 | * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) | |
1512 | * @ioc: per adapter object | |
1513 | * | |
1514 | * Returns 0 for success, non-zero for failure. | |
1515 | */ | |
1516 | int | |
1517 | mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) | |
1518 | { | |
1519 | struct pci_dev *pdev = ioc->pdev; | |
1520 | u32 memap_sz; | |
1521 | u32 pio_sz; | |
1522 | int i, r = 0; | |
6846e75c KD |
1523 | u64 pio_chip = 0; |
1524 | u64 chip_phys = 0; | |
911ae943 | 1525 | struct adapter_reply_queue *reply_q; |
635374e7 | 1526 | |
eabb08ad | 1527 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", |
635374e7 EM |
1528 | ioc->name, __func__)); |
1529 | ||
1530 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
1531 | if (pci_enable_device_mem(pdev)) { | |
1532 | printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " | |
1533 | "failed\n", ioc->name); | |
3b3e6f8d | 1534 | ioc->bars = 0; |
635374e7 EM |
1535 | return -ENODEV; |
1536 | } | |
1537 | ||
1538 | ||
1539 | if (pci_request_selected_regions(pdev, ioc->bars, | |
1540 | MPT2SAS_DRIVER_NAME)) { | |
1541 | printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " | |
1542 | "failed\n", ioc->name); | |
3b3e6f8d | 1543 | ioc->bars = 0; |
635374e7 EM |
1544 | r = -ENODEV; |
1545 | goto out_fail; | |
1546 | } | |
1547 | ||
ef7c80c1 KD |
1548 | /* AER (Advanced Error Reporting) hooks */ |
1549 | pci_enable_pcie_error_reporting(pdev); | |
1550 | ||
635374e7 EM |
1551 | pci_set_master(pdev); |
1552 | ||
1553 | if (_base_config_dma_addressing(ioc, pdev) != 0) { | |
1554 | printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", | |
1555 | ioc->name, pci_name(pdev)); | |
1556 | r = -ENODEV; | |
1557 | goto out_fail; | |
1558 | } | |
1559 | ||
1560 | for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { | |
fc193172 | 1561 | if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { |
635374e7 EM |
1562 | if (pio_sz) |
1563 | continue; | |
6846e75c | 1564 | pio_chip = (u64)pci_resource_start(pdev, i); |
635374e7 EM |
1565 | pio_sz = pci_resource_len(pdev, i); |
1566 | } else { | |
1567 | if (memap_sz) | |
1568 | continue; | |
fc193172 RL |
1569 | /* verify memory resource is valid before using */ |
1570 | if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { | |
1571 | ioc->chip_phys = pci_resource_start(pdev, i); | |
1572 | chip_phys = (u64)ioc->chip_phys; | |
1573 | memap_sz = pci_resource_len(pdev, i); | |
1574 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); | |
1575 | if (ioc->chip == NULL) { | |
1576 | printk(MPT2SAS_ERR_FMT "unable to map " | |
1577 | "adapter memory!\n", ioc->name); | |
1578 | r = -EINVAL; | |
1579 | goto out_fail; | |
1580 | } | |
635374e7 EM |
1581 | } |
1582 | } | |
1583 | } | |
1584 | ||
635374e7 | 1585 | _base_mask_interrupts(ioc); |
5fb1bf8a SR |
1586 | |
1587 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); | |
1588 | if (r) | |
1589 | goto out_fail; | |
1590 | ||
1591 | if (!ioc->rdpq_array_enable_assigned) { | |
1592 | ioc->rdpq_array_enable = ioc->rdpq_array_capable; | |
1593 | ioc->rdpq_array_enable_assigned = 1; | |
1594 | } | |
1595 | ||
635374e7 EM |
1596 | r = _base_enable_msix(ioc); |
1597 | if (r) | |
1598 | goto out_fail; | |
1599 | ||
911ae943 | 1600 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) |
1601 | printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", | |
1602 | reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : | |
1603 | "IO-APIC enabled"), reply_q->vector); | |
1604 | ||
6846e75c KD |
1605 | printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", |
1606 | ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); | |
1607 | printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", | |
1608 | ioc->name, (unsigned long long)pio_chip, pio_sz); | |
635374e7 | 1609 | |
3cb5469a EM |
1610 | /* Save PCI configuration state for recovery from PCI AER/EEH errors */ |
1611 | pci_save_state(pdev); | |
1612 | ||
635374e7 EM |
1613 | return 0; |
1614 | ||
1615 | out_fail: | |
1616 | if (ioc->chip_phys) | |
1617 | iounmap(ioc->chip); | |
1618 | ioc->chip_phys = 0; | |
635374e7 | 1619 | pci_release_selected_regions(ioc->pdev, ioc->bars); |
ef7c80c1 | 1620 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 1621 | pci_disable_device(pdev); |
635374e7 EM |
1622 | return r; |
1623 | } | |
1624 | ||
635374e7 EM |
1625 | /** |
1626 | * mpt2sas_base_get_msg_frame - obtain request mf pointer | |
1627 | * @ioc: per adapter object | |
1628 | * @smid: system request message index(smid zero is invalid) | |
1629 | * | |
1630 | * Returns virt pointer to message frame. | |
1631 | */ | |
1632 | void * | |
1633 | mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1634 | { | |
1635 | return (void *)(ioc->request + (smid * ioc->request_sz)); | |
1636 | } | |
1637 | ||
1638 | /** | |
1639 | * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request | |
1640 | * @ioc: per adapter object | |
1641 | * @smid: system request message index | |
1642 | * | |
1643 | * Returns virt pointer to sense buffer. | |
1644 | */ | |
1645 | void * | |
1646 | mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1647 | { | |
1648 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
1649 | } | |
1650 | ||
1651 | /** | |
1652 | * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request | |
1653 | * @ioc: per adapter object | |
1654 | * @smid: system request message index | |
1655 | * | |
ec9472c7 | 1656 | * Returns phys pointer to the low 32bit address of the sense buffer. |
635374e7 | 1657 | */ |
ec9472c7 | 1658 | __le32 |
635374e7 EM |
1659 | mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
1660 | { | |
ec9472c7 KD |
1661 | return cpu_to_le32(ioc->sense_dma + |
1662 | ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
635374e7 EM |
1663 | } |
1664 | ||
1665 | /** | |
1666 | * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address | |
1667 | * @ioc: per adapter object | |
1668 | * @phys_addr: lower 32 physical addr of the reply | |
1669 | * | |
1670 | * Converts 32bit lower physical addr into a virt address. | |
1671 | */ | |
1672 | void * | |
1673 | mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) | |
1674 | { | |
1675 | if (!phys_addr) | |
1676 | return NULL; | |
1677 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); | |
1678 | } | |
1679 | ||
1680 | /** | |
595bb0bd | 1681 | * mpt2sas_base_get_smid - obtain a free smid from internal queue |
635374e7 EM |
1682 | * @ioc: per adapter object |
1683 | * @cb_idx: callback index | |
1684 | * | |
1685 | * Returns smid (zero is invalid) | |
1686 | */ | |
1687 | u16 | |
1688 | mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1689 | { | |
1690 | unsigned long flags; | |
1691 | struct request_tracker *request; | |
1692 | u16 smid; | |
1693 | ||
595bb0bd KD |
1694 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1695 | if (list_empty(&ioc->internal_free_list)) { | |
1696 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1697 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1698 | ioc->name, __func__); | |
1699 | return 0; | |
1700 | } | |
1701 | ||
1702 | request = list_entry(ioc->internal_free_list.next, | |
1703 | struct request_tracker, tracker_list); | |
1704 | request->cb_idx = cb_idx; | |
1705 | smid = request->smid; | |
1706 | list_del(&request->tracker_list); | |
1707 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1708 | return smid; | |
1709 | } | |
1710 | ||
1711 | /** | |
1712 | * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue | |
1713 | * @ioc: per adapter object | |
1714 | * @cb_idx: callback index | |
1715 | * @scmd: pointer to scsi command object | |
1716 | * | |
1717 | * Returns smid (zero is invalid) | |
1718 | */ | |
1719 | u16 | |
1720 | mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, | |
1721 | struct scsi_cmnd *scmd) | |
1722 | { | |
1723 | unsigned long flags; | |
d5bd3491 | 1724 | struct scsiio_tracker *request; |
595bb0bd KD |
1725 | u16 smid; |
1726 | ||
635374e7 EM |
1727 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1728 | if (list_empty(&ioc->free_list)) { | |
1729 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1730 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1731 | ioc->name, __func__); | |
1732 | return 0; | |
1733 | } | |
1734 | ||
1735 | request = list_entry(ioc->free_list.next, | |
d5bd3491 | 1736 | struct scsiio_tracker, tracker_list); |
595bb0bd KD |
1737 | request->scmd = scmd; |
1738 | request->cb_idx = cb_idx; | |
1739 | smid = request->smid; | |
1740 | list_del(&request->tracker_list); | |
1741 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1742 | return smid; | |
1743 | } | |
1744 | ||
1745 | /** | |
1746 | * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue | |
1747 | * @ioc: per adapter object | |
1748 | * @cb_idx: callback index | |
1749 | * | |
1750 | * Returns smid (zero is invalid) | |
1751 | */ | |
1752 | u16 | |
1753 | mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1754 | { | |
1755 | unsigned long flags; | |
1756 | struct request_tracker *request; | |
1757 | u16 smid; | |
1758 | ||
1759 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1760 | if (list_empty(&ioc->hpr_free_list)) { | |
1761 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1762 | return 0; | |
1763 | } | |
1764 | ||
1765 | request = list_entry(ioc->hpr_free_list.next, | |
1766 | struct request_tracker, tracker_list); | |
635374e7 EM |
1767 | request->cb_idx = cb_idx; |
1768 | smid = request->smid; | |
1769 | list_del(&request->tracker_list); | |
1770 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1771 | return smid; | |
1772 | } | |
1773 | ||
1774 | ||
1775 | /** | |
1776 | * mpt2sas_base_free_smid - put smid back on free_list | |
1777 | * @ioc: per adapter object | |
1778 | * @smid: system request message index | |
1779 | * | |
1780 | * Return nothing. | |
1781 | */ | |
1782 | void | |
1783 | mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1784 | { | |
1785 | unsigned long flags; | |
595bb0bd | 1786 | int i; |
35f805b5 | 1787 | struct chain_tracker *chain_req, *next; |
635374e7 EM |
1788 | |
1789 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
d5bd3491 KD |
1790 | if (smid < ioc->hi_priority_smid) { |
1791 | /* scsiio queue */ | |
1792 | i = smid - 1; | |
1793 | if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { | |
1794 | list_for_each_entry_safe(chain_req, next, | |
1795 | &ioc->scsi_lookup[i].chain_list, tracker_list) { | |
1796 | list_del_init(&chain_req->tracker_list); | |
049b3e81 | 1797 | list_add(&chain_req->tracker_list, |
d5bd3491 KD |
1798 | &ioc->free_chain_list); |
1799 | } | |
595bb0bd | 1800 | } |
d5bd3491 KD |
1801 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
1802 | ioc->scsi_lookup[i].scmd = NULL; | |
0bdccdb0 | 1803 | ioc->scsi_lookup[i].direct_io = 0; |
049b3e81 | 1804 | list_add(&ioc->scsi_lookup[i].tracker_list, |
d5bd3491 | 1805 | &ioc->free_list); |
595bb0bd | 1806 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
595bb0bd | 1807 | |
d5bd3491 KD |
1808 | /* |
1809 | * See _wait_for_commands_to_complete() call with regards | |
1810 | * to this code. | |
1811 | */ | |
1812 | if (ioc->shost_recovery && ioc->pending_io_count) { | |
1813 | if (ioc->pending_io_count == 1) | |
1814 | wake_up(&ioc->reset_wq); | |
1815 | ioc->pending_io_count--; | |
35f805b5 | 1816 | } |
d5bd3491 KD |
1817 | return; |
1818 | } else if (smid < ioc->internal_smid) { | |
1819 | /* hi-priority */ | |
1820 | i = smid - ioc->hi_priority_smid; | |
1821 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
049b3e81 | 1822 | list_add(&ioc->hpr_lookup[i].tracker_list, |
d5bd3491 KD |
1823 | &ioc->hpr_free_list); |
1824 | } else if (smid <= ioc->hba_queue_depth) { | |
1825 | /* internal queue */ | |
1826 | i = smid - ioc->internal_smid; | |
1827 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
049b3e81 | 1828 | list_add(&ioc->internal_lookup[i].tracker_list, |
d5bd3491 | 1829 | &ioc->internal_free_list); |
35f805b5 | 1830 | } |
635374e7 | 1831 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
635374e7 EM |
1832 | } |
1833 | ||
1834 | /** | |
1835 | * _base_writeq - 64 bit write to MMIO | |
1836 | * @ioc: per adapter object | |
1837 | * @b: data payload | |
1838 | * @addr: address in MMIO space | |
1839 | * @writeq_lock: spin lock | |
1840 | * | |
1841 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes | |
1842 | * care of 32 bit environment where its not quarenteed to send the entire word | |
1843 | * in one transfer. | |
1844 | */ | |
1845 | #ifndef writeq | |
1846 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1847 | spinlock_t *writeq_lock) | |
1848 | { | |
1849 | unsigned long flags; | |
1850 | __u64 data_out = cpu_to_le64(b); | |
1851 | ||
1852 | spin_lock_irqsave(writeq_lock, flags); | |
1853 | writel((u32)(data_out), addr); | |
1854 | writel((u32)(data_out >> 32), (addr + 4)); | |
1855 | spin_unlock_irqrestore(writeq_lock, flags); | |
1856 | } | |
1857 | #else | |
1858 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1859 | spinlock_t *writeq_lock) | |
1860 | { | |
1861 | writeq(cpu_to_le64(b), addr); | |
1862 | } | |
1863 | #endif | |
1864 | ||
911ae943 | 1865 | static inline u8 |
1866 | _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) | |
1867 | { | |
a2c65850 | 1868 | return ioc->cpu_msix_table[raw_smp_processor_id()]; |
911ae943 | 1869 | } |
1870 | ||
635374e7 EM |
1871 | /** |
1872 | * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware | |
1873 | * @ioc: per adapter object | |
1874 | * @smid: system request message index | |
635374e7 EM |
1875 | * @handle: device handle |
1876 | * | |
1877 | * Return nothing. | |
1878 | */ | |
1879 | void | |
7b936b02 | 1880 | mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) |
635374e7 EM |
1881 | { |
1882 | Mpi2RequestDescriptorUnion_t descriptor; | |
1883 | u64 *request = (u64 *)&descriptor; | |
1884 | ||
1885 | ||
1886 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; | |
911ae943 | 1887 | descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1888 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); |
1889 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
1890 | descriptor.SCSIIO.LMID = 0; | |
1891 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1892 | &ioc->scsi_lookup_lock); | |
1893 | } | |
1894 | ||
1895 | ||
1896 | /** | |
25985edc | 1897 | * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware |
635374e7 EM |
1898 | * @ioc: per adapter object |
1899 | * @smid: system request message index | |
635374e7 EM |
1900 | * |
1901 | * Return nothing. | |
1902 | */ | |
1903 | void | |
7b936b02 | 1904 | mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1905 | { |
1906 | Mpi2RequestDescriptorUnion_t descriptor; | |
1907 | u64 *request = (u64 *)&descriptor; | |
1908 | ||
1909 | descriptor.HighPriority.RequestFlags = | |
1910 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; | |
911ae943 | 1911 | descriptor.HighPriority.MSIxIndex = 0; |
635374e7 EM |
1912 | descriptor.HighPriority.SMID = cpu_to_le16(smid); |
1913 | descriptor.HighPriority.LMID = 0; | |
1914 | descriptor.HighPriority.Reserved1 = 0; | |
1915 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1916 | &ioc->scsi_lookup_lock); | |
1917 | } | |
1918 | ||
1919 | /** | |
1920 | * mpt2sas_base_put_smid_default - Default, primarily used for config pages | |
1921 | * @ioc: per adapter object | |
1922 | * @smid: system request message index | |
635374e7 EM |
1923 | * |
1924 | * Return nothing. | |
1925 | */ | |
1926 | void | |
7b936b02 | 1927 | mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1928 | { |
1929 | Mpi2RequestDescriptorUnion_t descriptor; | |
1930 | u64 *request = (u64 *)&descriptor; | |
1931 | ||
1932 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; | |
911ae943 | 1933 | descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1934 | descriptor.Default.SMID = cpu_to_le16(smid); |
1935 | descriptor.Default.LMID = 0; | |
1936 | descriptor.Default.DescriptorTypeDependent = 0; | |
1937 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1938 | &ioc->scsi_lookup_lock); | |
1939 | } | |
1940 | ||
1941 | /** | |
1942 | * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware | |
1943 | * @ioc: per adapter object | |
1944 | * @smid: system request message index | |
635374e7 EM |
1945 | * @io_index: value used to track the IO |
1946 | * | |
1947 | * Return nothing. | |
1948 | */ | |
1949 | void | |
1950 | mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
7b936b02 | 1951 | u16 io_index) |
635374e7 EM |
1952 | { |
1953 | Mpi2RequestDescriptorUnion_t descriptor; | |
1954 | u64 *request = (u64 *)&descriptor; | |
1955 | ||
1956 | descriptor.SCSITarget.RequestFlags = | |
1957 | MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; | |
911ae943 | 1958 | descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1959 | descriptor.SCSITarget.SMID = cpu_to_le16(smid); |
1960 | descriptor.SCSITarget.LMID = 0; | |
1961 | descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); | |
1962 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1963 | &ioc->scsi_lookup_lock); | |
1964 | } | |
1965 | ||
f0f9cc1f EM |
1966 | /** |
1967 | * _base_display_dell_branding - Disply branding string | |
1968 | * @ioc: per adapter object | |
1969 | * | |
1970 | * Return nothing. | |
1971 | */ | |
1972 | static void | |
1973 | _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) | |
1974 | { | |
1975 | char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; | |
1976 | ||
1977 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) | |
1978 | return; | |
1979 | ||
1980 | memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); | |
1981 | switch (ioc->pdev->subsystem_device) { | |
1982 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: | |
1983 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, | |
1984 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1985 | break; | |
1986 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: | |
1987 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, | |
1988 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1989 | break; | |
1990 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: | |
1991 | strncpy(dell_branding, | |
1992 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, | |
1993 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1994 | break; | |
1995 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: | |
1996 | strncpy(dell_branding, | |
1997 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, | |
1998 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1999 | break; | |
2000 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: | |
2001 | strncpy(dell_branding, | |
2002 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, | |
2003 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
2004 | break; | |
2005 | case MPT2SAS_DELL_PERC_H200_SSDID: | |
2006 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, | |
2007 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
2008 | break; | |
2009 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: | |
2010 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, | |
2011 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
2012 | break; | |
2013 | default: | |
2014 | sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); | |
2015 | break; | |
2016 | } | |
2017 | ||
2018 | printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," | |
2019 | " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, | |
2020 | ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, | |
2021 | ioc->pdev->subsystem_device); | |
2022 | } | |
2023 | ||
fb396bec KD |
2024 | /** |
2025 | * _base_display_intel_branding - Display branding string | |
2026 | * @ioc: per adapter object | |
2027 | * | |
2028 | * Return nothing. | |
2029 | */ | |
2030 | static void | |
2031 | _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) | |
2032 | { | |
ab3e5f60 KD |
2033 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) |
2034 | return; | |
fb396bec | 2035 | |
ab3e5f60 KD |
2036 | switch (ioc->pdev->device) { |
2037 | case MPI2_MFGPAGE_DEVID_SAS2008: | |
fb396bec KD |
2038 | switch (ioc->pdev->subsystem_device) { |
2039 | case MPT2SAS_INTEL_RMS2LL080_SSDID: | |
2040 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2041 | MPT2SAS_INTEL_RMS2LL080_BRANDING); | |
2042 | break; | |
2043 | case MPT2SAS_INTEL_RMS2LL040_SSDID: | |
2044 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2045 | MPT2SAS_INTEL_RMS2LL040_BRANDING); | |
2046 | break; | |
e17eee45 | 2047 | case MPT2SAS_INTEL_SSD910_SSDID: |
70e73f99 | 2048 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
e17eee45 | 2049 | MPT2SAS_INTEL_SSD910_BRANDING); |
70e73f99 | 2050 | break; |
ab3e5f60 KD |
2051 | default: |
2052 | break; | |
2053 | } | |
2054 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
2055 | switch (ioc->pdev->subsystem_device) { | |
2056 | case MPT2SAS_INTEL_RS25GB008_SSDID: | |
2057 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2058 | MPT2SAS_INTEL_RS25GB008_BRANDING); | |
2059 | break; | |
8bad3055 | 2060 | case MPT2SAS_INTEL_RMS25JB080_SSDID: |
2061 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2062 | MPT2SAS_INTEL_RMS25JB080_BRANDING); | |
2063 | break; | |
2064 | case MPT2SAS_INTEL_RMS25JB040_SSDID: | |
2065 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2066 | MPT2SAS_INTEL_RMS25JB040_BRANDING); | |
2067 | break; | |
2068 | case MPT2SAS_INTEL_RMS25KB080_SSDID: | |
2069 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2070 | MPT2SAS_INTEL_RMS25KB080_BRANDING); | |
2071 | break; | |
2072 | case MPT2SAS_INTEL_RMS25KB040_SSDID: | |
2073 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2074 | MPT2SAS_INTEL_RMS25KB040_BRANDING); | |
2075 | break; | |
7887ea7f SR |
2076 | case MPT2SAS_INTEL_RMS25LB040_SSDID: |
2077 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2078 | MPT2SAS_INTEL_RMS25LB040_BRANDING); | |
2079 | break; | |
2080 | case MPT2SAS_INTEL_RMS25LB080_SSDID: | |
2081 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2082 | MPT2SAS_INTEL_RMS25LB080_BRANDING); | |
2083 | break; | |
ab3e5f60 KD |
2084 | default: |
2085 | break; | |
fb396bec | 2086 | } |
ab3e5f60 KD |
2087 | default: |
2088 | break; | |
fb396bec KD |
2089 | } |
2090 | } | |
2091 | ||
0a2385ce KD |
2092 | /** |
2093 | * _base_display_hp_branding - Display branding string | |
2094 | * @ioc: per adapter object | |
2095 | * | |
2096 | * Return nothing. | |
2097 | */ | |
2098 | static void | |
2099 | _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) | |
2100 | { | |
2101 | if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) | |
2102 | return; | |
2103 | ||
2104 | switch (ioc->pdev->device) { | |
2105 | case MPI2_MFGPAGE_DEVID_SAS2004: | |
2106 | switch (ioc->pdev->subsystem_device) { | |
2107 | case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: | |
2108 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2109 | MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); | |
2110 | break; | |
2111 | default: | |
2112 | break; | |
2113 | } | |
2114 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
2115 | switch (ioc->pdev->subsystem_device) { | |
2116 | case MPT2SAS_HP_2_4_INTERNAL_SSDID: | |
2117 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2118 | MPT2SAS_HP_2_4_INTERNAL_BRANDING); | |
2119 | break; | |
2120 | case MPT2SAS_HP_2_4_EXTERNAL_SSDID: | |
2121 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2122 | MPT2SAS_HP_2_4_EXTERNAL_BRANDING); | |
2123 | break; | |
2124 | case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: | |
2125 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2126 | MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); | |
2127 | break; | |
2128 | case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: | |
2129 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2130 | MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); | |
2131 | break; | |
2132 | default: | |
2133 | break; | |
2134 | } | |
2135 | default: | |
2136 | break; | |
2137 | } | |
2138 | } | |
2139 | ||
635374e7 EM |
2140 | /** |
2141 | * _base_display_ioc_capabilities - Disply IOC's capabilities. | |
2142 | * @ioc: per adapter object | |
2143 | * | |
2144 | * Return nothing. | |
2145 | */ | |
2146 | static void | |
2147 | _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) | |
2148 | { | |
2149 | int i = 0; | |
2150 | char desc[16]; | |
635374e7 | 2151 | u32 iounit_pg1_flags; |
c97951ec | 2152 | u32 bios_version; |
635374e7 | 2153 | |
c97951ec | 2154 | bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
635374e7 EM |
2155 | strncpy(desc, ioc->manu_pg0.ChipName, 16); |
2156 | printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " | |
2157 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", | |
2158 | ioc->name, desc, | |
2159 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2160 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2161 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2162 | ioc->facts.FWVersion.Word & 0x000000FF, | |
7d7311c4 | 2163 | ioc->pdev->revision, |
c97951ec KD |
2164 | (bios_version & 0xFF000000) >> 24, |
2165 | (bios_version & 0x00FF0000) >> 16, | |
2166 | (bios_version & 0x0000FF00) >> 8, | |
2167 | bios_version & 0x000000FF); | |
635374e7 | 2168 | |
ed79f128 | 2169 | _base_display_dell_branding(ioc); |
fb396bec | 2170 | _base_display_intel_branding(ioc); |
0a2385ce | 2171 | _base_display_hp_branding(ioc); |
ed79f128 | 2172 | |
635374e7 EM |
2173 | printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); |
2174 | ||
2175 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { | |
2176 | printk("Initiator"); | |
2177 | i++; | |
2178 | } | |
2179 | ||
2180 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { | |
2181 | printk("%sTarget", i ? "," : ""); | |
2182 | i++; | |
2183 | } | |
2184 | ||
2185 | i = 0; | |
2186 | printk("), "); | |
2187 | printk("Capabilities=("); | |
2188 | ||
0bdccdb0 KD |
2189 | if (!ioc->hide_ir_msg) { |
2190 | if (ioc->facts.IOCCapabilities & | |
2191 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { | |
2192 | printk("Raid"); | |
2193 | i++; | |
2194 | } | |
635374e7 EM |
2195 | } |
2196 | ||
2197 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { | |
2198 | printk("%sTLR", i ? "," : ""); | |
2199 | i++; | |
2200 | } | |
2201 | ||
2202 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { | |
2203 | printk("%sMulticast", i ? "," : ""); | |
2204 | i++; | |
2205 | } | |
2206 | ||
2207 | if (ioc->facts.IOCCapabilities & | |
2208 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { | |
2209 | printk("%sBIDI Target", i ? "," : ""); | |
2210 | i++; | |
2211 | } | |
2212 | ||
2213 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { | |
2214 | printk("%sEEDP", i ? "," : ""); | |
2215 | i++; | |
2216 | } | |
2217 | ||
2218 | if (ioc->facts.IOCCapabilities & | |
2219 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { | |
2220 | printk("%sSnapshot Buffer", i ? "," : ""); | |
2221 | i++; | |
2222 | } | |
2223 | ||
2224 | if (ioc->facts.IOCCapabilities & | |
2225 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { | |
2226 | printk("%sDiag Trace Buffer", i ? "," : ""); | |
2227 | i++; | |
2228 | } | |
2229 | ||
1b01fe3a KD |
2230 | if (ioc->facts.IOCCapabilities & |
2231 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { | |
2232 | printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); | |
2233 | i++; | |
2234 | } | |
2235 | ||
635374e7 EM |
2236 | if (ioc->facts.IOCCapabilities & |
2237 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { | |
2238 | printk("%sTask Set Full", i ? "," : ""); | |
2239 | i++; | |
2240 | } | |
2241 | ||
2242 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2243 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { | |
2244 | printk("%sNCQ", i ? "," : ""); | |
2245 | i++; | |
2246 | } | |
2247 | ||
2248 | printk(")\n"); | |
2249 | } | |
2250 | ||
6cb8ef57 | 2251 | /** |
b0df96a0 | 2252 | * mpt2sas_base_update_missing_delay - change the missing delay timers |
6cb8ef57 KD |
2253 | * @ioc: per adapter object |
2254 | * @device_missing_delay: amount of time till device is reported missing | |
2255 | * @io_missing_delay: interval IO is returned when there is a missing device | |
2256 | * | |
2257 | * Return nothing. | |
2258 | * | |
2259 | * Passed on the command line, this function will modify the device missing | |
2260 | * delay, as well as the io missing delay. This should be called at driver | |
2261 | * load time. | |
2262 | */ | |
b0df96a0 RS |
2263 | void |
2264 | mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, | |
6cb8ef57 KD |
2265 | u16 device_missing_delay, u8 io_missing_delay) |
2266 | { | |
2267 | u16 dmd, dmd_new, dmd_orignal; | |
2268 | u8 io_missing_delay_original; | |
2269 | u16 sz; | |
2270 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
2271 | Mpi2ConfigReply_t mpi_reply; | |
2272 | u8 num_phys = 0; | |
2273 | u16 ioc_status; | |
2274 | ||
2275 | mpt2sas_config_get_number_hba_phys(ioc, &num_phys); | |
2276 | if (!num_phys) | |
2277 | return; | |
2278 | ||
2279 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * | |
2280 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
2281 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
2282 | if (!sas_iounit_pg1) { | |
2283 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2284 | ioc->name, __FILE__, __LINE__, __func__); | |
2285 | goto out; | |
2286 | } | |
2287 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
2288 | sas_iounit_pg1, sz))) { | |
2289 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2290 | ioc->name, __FILE__, __LINE__, __func__); | |
2291 | goto out; | |
2292 | } | |
2293 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
2294 | MPI2_IOCSTATUS_MASK; | |
2295 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2296 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2297 | ioc->name, __FILE__, __LINE__, __func__); | |
2298 | goto out; | |
2299 | } | |
2300 | ||
2301 | /* device missing delay */ | |
2302 | dmd = sas_iounit_pg1->ReportDeviceMissingDelay; | |
2303 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2304 | dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2305 | else | |
2306 | dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2307 | dmd_orignal = dmd; | |
2308 | if (device_missing_delay > 0x7F) { | |
2309 | dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : | |
2310 | device_missing_delay; | |
2311 | dmd = dmd / 16; | |
2312 | dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; | |
2313 | } else | |
2314 | dmd = device_missing_delay; | |
2315 | sas_iounit_pg1->ReportDeviceMissingDelay = dmd; | |
2316 | ||
2317 | /* io missing delay */ | |
2318 | io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; | |
2319 | sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; | |
2320 | ||
2321 | if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
2322 | sz)) { | |
2323 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2324 | dmd_new = (dmd & | |
2325 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2326 | else | |
2327 | dmd_new = | |
2328 | dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2329 | printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " | |
2330 | "new(%d)\n", ioc->name, dmd_orignal, dmd_new); | |
2331 | printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " | |
2332 | "new(%d)\n", ioc->name, io_missing_delay_original, | |
2333 | io_missing_delay); | |
2334 | ioc->device_missing_delay = dmd_new; | |
2335 | ioc->io_missing_delay = io_missing_delay; | |
2336 | } | |
2337 | ||
2338 | out: | |
2339 | kfree(sas_iounit_pg1); | |
2340 | } | |
2341 | ||
635374e7 EM |
2342 | /** |
2343 | * _base_static_config_pages - static start of day config pages | |
2344 | * @ioc: per adapter object | |
2345 | * | |
2346 | * Return nothing. | |
2347 | */ | |
2348 | static void | |
2349 | _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) | |
2350 | { | |
2351 | Mpi2ConfigReply_t mpi_reply; | |
2352 | u32 iounit_pg1_flags; | |
2353 | ||
2354 | mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); | |
ed79f128 KD |
2355 | if (ioc->ir_firmware) |
2356 | mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, | |
2357 | &ioc->manu_pg10); | |
635374e7 EM |
2358 | mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); |
2359 | mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); | |
2360 | mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); | |
2361 | mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); | |
2362 | mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
2d8ce8c9 | 2363 | mpt2sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8); |
635374e7 EM |
2364 | _base_display_ioc_capabilities(ioc); |
2365 | ||
2366 | /* | |
2367 | * Enable task_set_full handling in iounit_pg1 when the | |
2368 | * facts capabilities indicate that its supported. | |
2369 | */ | |
2370 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2371 | if ((ioc->facts.IOCCapabilities & | |
2372 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) | |
2373 | iounit_pg1_flags &= | |
2374 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2375 | else | |
2376 | iounit_pg1_flags |= | |
2377 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2378 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); | |
5b768581 | 2379 | mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); |
6cb8ef57 | 2380 | |
2d8ce8c9 SR |
2381 | if (ioc->iounit_pg8.NumSensors) |
2382 | ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors; | |
635374e7 EM |
2383 | } |
2384 | ||
2385 | /** | |
2386 | * _base_release_memory_pools - release memory | |
2387 | * @ioc: per adapter object | |
2388 | * | |
2389 | * Free memory allocated from _base_allocate_memory_pools. | |
2390 | * | |
2391 | * Return nothing. | |
2392 | */ | |
2393 | static void | |
2394 | _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) | |
2395 | { | |
5fb1bf8a SR |
2396 | int i = 0; |
2397 | struct reply_post_struct *rps; | |
35f805b5 | 2398 | |
eabb08ad | 2399 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2400 | __func__)); |
2401 | ||
2402 | if (ioc->request) { | |
2403 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, | |
2404 | ioc->request, ioc->request_dma); | |
2405 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" | |
2406 | ": free\n", ioc->name, ioc->request)); | |
2407 | ioc->request = NULL; | |
2408 | } | |
2409 | ||
2410 | if (ioc->sense) { | |
2411 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); | |
2412 | if (ioc->sense_dma_pool) | |
2413 | pci_pool_destroy(ioc->sense_dma_pool); | |
2414 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" | |
2415 | ": free\n", ioc->name, ioc->sense)); | |
2416 | ioc->sense = NULL; | |
2417 | } | |
2418 | ||
2419 | if (ioc->reply) { | |
2420 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); | |
2421 | if (ioc->reply_dma_pool) | |
2422 | pci_pool_destroy(ioc->reply_dma_pool); | |
2423 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" | |
2424 | ": free\n", ioc->name, ioc->reply)); | |
2425 | ioc->reply = NULL; | |
2426 | } | |
2427 | ||
2428 | if (ioc->reply_free) { | |
2429 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, | |
2430 | ioc->reply_free_dma); | |
2431 | if (ioc->reply_free_dma_pool) | |
2432 | pci_pool_destroy(ioc->reply_free_dma_pool); | |
2433 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" | |
2434 | "(0x%p): free\n", ioc->name, ioc->reply_free)); | |
2435 | ioc->reply_free = NULL; | |
2436 | } | |
2437 | ||
5fb1bf8a SR |
2438 | if (ioc->reply_post) { |
2439 | do { | |
2440 | rps = &ioc->reply_post[i]; | |
2441 | if (rps->reply_post_free) { | |
2442 | pci_pool_free( | |
2443 | ioc->reply_post_free_dma_pool, | |
2444 | rps->reply_post_free, | |
2445 | rps->reply_post_free_dma); | |
2446 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2447 | "reply_post_free_pool(0x%p): free\n", | |
2448 | ioc->name, rps->reply_post_free)); | |
2449 | rps->reply_post_free = NULL; | |
2450 | } | |
2451 | } while (ioc->rdpq_array_enable && | |
2452 | (++i < ioc->reply_queue_count)); | |
2453 | ||
635374e7 EM |
2454 | if (ioc->reply_post_free_dma_pool) |
2455 | pci_pool_destroy(ioc->reply_post_free_dma_pool); | |
5fb1bf8a | 2456 | kfree(ioc->reply_post); |
635374e7 EM |
2457 | } |
2458 | ||
2459 | if (ioc->config_page) { | |
2460 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2461 | "config_page(0x%p): free\n", ioc->name, | |
2462 | ioc->config_page)); | |
2463 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, | |
2464 | ioc->config_page, ioc->config_page_dma); | |
2465 | } | |
2466 | ||
66a67936 KD |
2467 | if (ioc->scsi_lookup) { |
2468 | free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); | |
2469 | ioc->scsi_lookup = NULL; | |
2470 | } | |
595bb0bd KD |
2471 | kfree(ioc->hpr_lookup); |
2472 | kfree(ioc->internal_lookup); | |
35f805b5 KD |
2473 | if (ioc->chain_lookup) { |
2474 | for (i = 0; i < ioc->chain_depth; i++) { | |
2475 | if (ioc->chain_lookup[i].chain_buffer) | |
2476 | pci_pool_free(ioc->chain_dma_pool, | |
2477 | ioc->chain_lookup[i].chain_buffer, | |
2478 | ioc->chain_lookup[i].chain_buffer_dma); | |
2479 | } | |
2480 | if (ioc->chain_dma_pool) | |
2481 | pci_pool_destroy(ioc->chain_dma_pool); | |
35f805b5 KD |
2482 | free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); |
2483 | ioc->chain_lookup = NULL; | |
2484 | } | |
635374e7 EM |
2485 | } |
2486 | ||
2487 | ||
2488 | /** | |
2489 | * _base_allocate_memory_pools - allocate start of day memory pools | |
2490 | * @ioc: per adapter object | |
2491 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2492 | * | |
2493 | * Returns 0 success, anything else error | |
2494 | */ | |
2495 | static int | |
2496 | _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
2497 | { | |
c97951ec | 2498 | struct mpt2sas_facts *facts; |
635374e7 | 2499 | u16 max_sge_elements; |
635374e7 | 2500 | u16 chains_needed_per_io; |
911ae943 | 2501 | u32 sz, total_sz, reply_post_free_sz; |
635374e7 EM |
2502 | u32 retry_sz; |
2503 | u16 max_request_credit; | |
35f805b5 | 2504 | int i; |
635374e7 | 2505 | |
eabb08ad | 2506 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2507 | __func__)); |
2508 | ||
2509 | retry_sz = 0; | |
2510 | facts = &ioc->facts; | |
2511 | ||
2512 | /* command line tunables for max sgl entries */ | |
2513 | if (max_sgl_entries != -1) { | |
ad666a0f SR |
2514 | ioc->shost->sg_tablesize = min_t(unsigned short, |
2515 | max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS); | |
2516 | if (ioc->shost->sg_tablesize > MPT2SAS_SG_DEPTH) | |
2517 | printk(MPT2SAS_WARN_FMT | |
2518 | "sg_tablesize(%u) is bigger than kernel defined" | |
2519 | " SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name, | |
2520 | ioc->shost->sg_tablesize, MPT2SAS_SG_DEPTH); | |
635374e7 EM |
2521 | } else { |
2522 | ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; | |
2523 | } | |
2524 | ||
2525 | /* command line tunables for max controller queue depth */ | |
338b131a | 2526 | if (max_queue_depth != -1 && max_queue_depth != 0) { |
2527 | max_request_credit = min_t(u16, max_queue_depth + | |
2528 | ioc->hi_priority_depth + ioc->internal_depth, | |
2529 | facts->RequestCredit); | |
2530 | if (max_request_credit > MAX_HBA_QUEUE_DEPTH) | |
2531 | max_request_credit = MAX_HBA_QUEUE_DEPTH; | |
2532 | } else | |
aff132d9 | 2533 | max_request_credit = min_t(u16, facts->RequestCredit, |
2534 | MAX_HBA_QUEUE_DEPTH); | |
595bb0bd KD |
2535 | |
2536 | ioc->hba_queue_depth = max_request_credit; | |
2537 | ioc->hi_priority_depth = facts->HighPriorityCredit; | |
2538 | ioc->internal_depth = ioc->hi_priority_depth + 5; | |
635374e7 EM |
2539 | |
2540 | /* request frame size */ | |
2541 | ioc->request_sz = facts->IOCRequestFrameSize * 4; | |
2542 | ||
2543 | /* reply frame size */ | |
2544 | ioc->reply_sz = facts->ReplyFrameSize * 4; | |
2545 | ||
2546 | retry_allocation: | |
2547 | total_sz = 0; | |
2548 | /* calculate number of sg elements left over in the 1st frame */ | |
2549 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - | |
2550 | sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); | |
2551 | ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; | |
2552 | ||
2553 | /* now do the same for a chain buffer */ | |
2554 | max_sge_elements = ioc->request_sz - ioc->sge_size; | |
2555 | ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; | |
2556 | ||
2557 | ioc->chain_offset_value_for_main_message = | |
2558 | ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + | |
2559 | (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; | |
2560 | ||
2561 | /* | |
2562 | * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE | |
2563 | */ | |
2564 | chains_needed_per_io = ((ioc->shost->sg_tablesize - | |
2565 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) | |
2566 | + 1; | |
2567 | if (chains_needed_per_io > facts->MaxChainDepth) { | |
2568 | chains_needed_per_io = facts->MaxChainDepth; | |
2569 | ioc->shost->sg_tablesize = min_t(u16, | |
2570 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message | |
2571 | * chains_needed_per_io), ioc->shost->sg_tablesize); | |
2572 | } | |
2573 | ioc->chains_needed_per_io = chains_needed_per_io; | |
2574 | ||
aff132d9 | 2575 | /* reply free queue sizing - taking into account for 64 FW events */ |
2576 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; | |
635374e7 | 2577 | |
148124d9 SR |
2578 | /* calculate reply descriptor post queue depth */ |
2579 | ioc->reply_post_queue_depth = ioc->hba_queue_depth + | |
2580 | ioc->reply_free_queue_depth + 1; | |
aff132d9 | 2581 | /* align the reply post queue on the next 16 count boundary */ |
148124d9 SR |
2582 | if (ioc->reply_post_queue_depth % 16) |
2583 | ioc->reply_post_queue_depth += 16 - | |
2584 | (ioc->reply_post_queue_depth % 16); | |
2585 | ||
2586 | ||
aff132d9 | 2587 | if (ioc->reply_post_queue_depth > |
2588 | facts->MaxReplyDescriptorPostQueueDepth) { | |
148124d9 SR |
2589 | ioc->reply_post_queue_depth = |
2590 | facts->MaxReplyDescriptorPostQueueDepth - | |
2591 | (facts->MaxReplyDescriptorPostQueueDepth % 16); | |
2592 | ioc->hba_queue_depth = | |
2593 | ((ioc->reply_post_queue_depth - 64) / 2) - 1; | |
2594 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; | |
635374e7 | 2595 | } |
aff132d9 | 2596 | |
635374e7 EM |
2597 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " |
2598 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " | |
2599 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, | |
2600 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, | |
2601 | ioc->chains_needed_per_io)); | |
2602 | ||
5fb1bf8a SR |
2603 | /* reply post queue, 16 byte align */ |
2604 | reply_post_free_sz = ioc->reply_post_queue_depth * | |
2605 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
2606 | ||
2607 | sz = reply_post_free_sz; | |
2608 | if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable) | |
2609 | sz *= ioc->reply_queue_count; | |
2610 | ||
2611 | ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ? | |
2612 | (ioc->reply_queue_count):1, | |
2613 | sizeof(struct reply_post_struct), GFP_KERNEL); | |
2614 | ||
2615 | if (!ioc->reply_post) { | |
2616 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: kcalloc failed\n", | |
2617 | ioc->name); | |
2618 | goto out; | |
2619 | } | |
2620 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", | |
2621 | ioc->pdev, sz, 16, 0); | |
2622 | if (!ioc->reply_post_free_dma_pool) { | |
2623 | printk(MPT2SAS_ERR_FMT | |
2624 | "reply_post_free pool: pci_pool_create failed\n", | |
2625 | ioc->name); | |
2626 | goto out; | |
2627 | } | |
2628 | i = 0; | |
2629 | do { | |
2630 | ioc->reply_post[i].reply_post_free = | |
2631 | pci_pool_alloc(ioc->reply_post_free_dma_pool, | |
2632 | GFP_KERNEL, | |
2633 | &ioc->reply_post[i].reply_post_free_dma); | |
2634 | if (!ioc->reply_post[i].reply_post_free) { | |
2635 | printk(MPT2SAS_ERR_FMT | |
2636 | "reply_post_free pool: pci_pool_alloc failed\n", | |
2637 | ioc->name); | |
2638 | goto out; | |
2639 | } | |
2640 | memset(ioc->reply_post[i].reply_post_free, 0, sz); | |
2641 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2642 | "reply post free pool (0x%p): depth(%d)," | |
2643 | "element_size(%d), pool_size(%d kB)\n", ioc->name, | |
2644 | ioc->reply_post[i].reply_post_free, | |
2645 | ioc->reply_post_queue_depth, 8, sz/1024)); | |
2646 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2647 | "reply_post_free_dma = (0x%llx)\n", ioc->name, | |
2648 | (unsigned long long) | |
2649 | ioc->reply_post[i].reply_post_free_dma)); | |
2650 | total_sz += sz; | |
2651 | } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); | |
2652 | ||
2653 | if (ioc->dma_mask == 64) { | |
2654 | if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { | |
2655 | printk(MPT2SAS_WARN_FMT | |
2656 | "no suitable consistent DMA mask for %s\n", | |
2657 | ioc->name, pci_name(ioc->pdev)); | |
2658 | goto out; | |
2659 | } | |
2660 | } | |
2661 | ||
595bb0bd KD |
2662 | ioc->scsiio_depth = ioc->hba_queue_depth - |
2663 | ioc->hi_priority_depth - ioc->internal_depth; | |
2664 | ||
2665 | /* set the scsi host can_queue depth | |
2666 | * with some internal commands that could be outstanding | |
2667 | */ | |
338b131a | 2668 | ioc->shost->can_queue = ioc->scsiio_depth; |
595bb0bd KD |
2669 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " |
2670 | "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); | |
2671 | ||
635374e7 EM |
2672 | /* contiguous pool for request and chains, 16 byte align, one extra " |
2673 | * "frame for smid=0 | |
2674 | */ | |
595bb0bd | 2675 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; |
35f805b5 | 2676 | sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); |
595bb0bd KD |
2677 | |
2678 | /* hi-priority queue */ | |
2679 | sz += (ioc->hi_priority_depth * ioc->request_sz); | |
2680 | ||
2681 | /* internal queue */ | |
2682 | sz += (ioc->internal_depth * ioc->request_sz); | |
635374e7 EM |
2683 | |
2684 | ioc->request_dma_sz = sz; | |
2685 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); | |
2686 | if (!ioc->request) { | |
2687 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2688 | "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2689 | "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 | 2690 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
595bb0bd | 2691 | if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) |
635374e7 EM |
2692 | goto out; |
2693 | retry_sz += 64; | |
595bb0bd | 2694 | ioc->hba_queue_depth = max_request_credit - retry_sz; |
635374e7 EM |
2695 | goto retry_allocation; |
2696 | } | |
2697 | ||
2698 | if (retry_sz) | |
2699 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2700 | "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2701 | "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 EM |
2702 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
2703 | ||
595bb0bd KD |
2704 | |
2705 | /* hi-priority queue */ | |
2706 | ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * | |
635374e7 | 2707 | ioc->request_sz); |
595bb0bd KD |
2708 | ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * |
2709 | ioc->request_sz); | |
2710 | ||
2711 | /* internal queue */ | |
2712 | ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * | |
635374e7 | 2713 | ioc->request_sz); |
595bb0bd KD |
2714 | ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * |
2715 | ioc->request_sz); | |
2716 | ||
595bb0bd | 2717 | |
635374e7 EM |
2718 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " |
2719 | "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
595bb0bd KD |
2720 | ioc->request, ioc->hba_queue_depth, ioc->request_sz, |
2721 | (ioc->hba_queue_depth * ioc->request_sz)/1024)); | |
635374e7 EM |
2722 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", |
2723 | ioc->name, (unsigned long long) ioc->request_dma)); | |
2724 | total_sz += sz; | |
2725 | ||
d5bd3491 | 2726 | sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); |
89009fbb | 2727 | ioc->scsi_lookup_pages = get_order(sz); |
d5bd3491 | 2728 | ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( |
89009fbb | 2729 | GFP_KERNEL, ioc->scsi_lookup_pages); |
635374e7 | 2730 | if (!ioc->scsi_lookup) { |
89009fbb KD |
2731 | printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " |
2732 | "sz(%d)\n", ioc->name, (int)sz); | |
635374e7 EM |
2733 | goto out; |
2734 | } | |
2735 | ||
595bb0bd KD |
2736 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " |
2737 | "depth(%d)\n", ioc->name, ioc->request, | |
2738 | ioc->scsiio_depth)); | |
2739 | ||
aff132d9 | 2740 | ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); |
2741 | sz = ioc->chain_depth * sizeof(struct chain_tracker); | |
2742 | ioc->chain_pages = get_order(sz); | |
2743 | ||
2744 | ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( | |
2745 | GFP_KERNEL, ioc->chain_pages); | |
c834b1c4 TH |
2746 | if (!ioc->chain_lookup) { |
2747 | printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " | |
2748 | "sz(%d)\n", ioc->name, (int)sz); | |
2749 | goto out; | |
2750 | } | |
35f805b5 KD |
2751 | ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, |
2752 | ioc->request_sz, 16, 0); | |
2753 | if (!ioc->chain_dma_pool) { | |
2754 | printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " | |
2755 | "failed\n", ioc->name); | |
2756 | goto out; | |
2757 | } | |
2758 | for (i = 0; i < ioc->chain_depth; i++) { | |
2759 | ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( | |
2760 | ioc->chain_dma_pool , GFP_KERNEL, | |
2761 | &ioc->chain_lookup[i].chain_buffer_dma); | |
2762 | if (!ioc->chain_lookup[i].chain_buffer) { | |
2763 | ioc->chain_depth = i; | |
2764 | goto chain_done; | |
2765 | } | |
2766 | total_sz += ioc->request_sz; | |
2767 | } | |
2768 | chain_done: | |
2769 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" | |
2770 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
2771 | ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * | |
2772 | ioc->request_sz))/1024)); | |
2773 | ||
595bb0bd KD |
2774 | /* initialize hi-priority queue smid's */ |
2775 | ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, | |
2776 | sizeof(struct request_tracker), GFP_KERNEL); | |
2777 | if (!ioc->hpr_lookup) { | |
2778 | printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", | |
2779 | ioc->name); | |
2780 | goto out; | |
2781 | } | |
2782 | ioc->hi_priority_smid = ioc->scsiio_depth + 1; | |
2783 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " | |
2784 | "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, | |
2785 | ioc->hi_priority_depth, ioc->hi_priority_smid)); | |
2786 | ||
2787 | /* initialize internal queue smid's */ | |
2788 | ioc->internal_lookup = kcalloc(ioc->internal_depth, | |
2789 | sizeof(struct request_tracker), GFP_KERNEL); | |
2790 | if (!ioc->internal_lookup) { | |
2791 | printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", | |
2792 | ioc->name); | |
2793 | goto out; | |
2794 | } | |
2795 | ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; | |
2796 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " | |
2797 | "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, | |
2798 | ioc->internal_depth, ioc->internal_smid)); | |
635374e7 EM |
2799 | |
2800 | /* sense buffers, 4 byte align */ | |
595bb0bd | 2801 | sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; |
635374e7 EM |
2802 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, |
2803 | 0); | |
2804 | if (!ioc->sense_dma_pool) { | |
2805 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", | |
2806 | ioc->name); | |
2807 | goto out; | |
2808 | } | |
2809 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, | |
2810 | &ioc->sense_dma); | |
2811 | if (!ioc->sense) { | |
2812 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", | |
2813 | ioc->name); | |
2814 | goto out; | |
2815 | } | |
2816 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2817 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" | |
595bb0bd | 2818 | "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, |
635374e7 EM |
2819 | SCSI_SENSE_BUFFERSIZE, sz/1024)); |
2820 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", | |
2821 | ioc->name, (unsigned long long)ioc->sense_dma)); | |
2822 | total_sz += sz; | |
2823 | ||
2824 | /* reply pool, 4 byte align */ | |
2825 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; | |
2826 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, | |
2827 | 0); | |
2828 | if (!ioc->reply_dma_pool) { | |
2829 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", | |
2830 | ioc->name); | |
2831 | goto out; | |
2832 | } | |
2833 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, | |
2834 | &ioc->reply_dma); | |
2835 | if (!ioc->reply) { | |
2836 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", | |
2837 | ioc->name); | |
2838 | goto out; | |
2839 | } | |
dd3741d3 KD |
2840 | ioc->reply_dma_min_address = (u32)(ioc->reply_dma); |
2841 | ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; | |
635374e7 EM |
2842 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" |
2843 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, | |
2844 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); | |
2845 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", | |
2846 | ioc->name, (unsigned long long)ioc->reply_dma)); | |
2847 | total_sz += sz; | |
2848 | ||
2849 | /* reply free queue, 16 byte align */ | |
2850 | sz = ioc->reply_free_queue_depth * 4; | |
2851 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", | |
2852 | ioc->pdev, sz, 16, 0); | |
2853 | if (!ioc->reply_free_dma_pool) { | |
2854 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " | |
2855 | "failed\n", ioc->name); | |
2856 | goto out; | |
2857 | } | |
2858 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, | |
2859 | &ioc->reply_free_dma); | |
2860 | if (!ioc->reply_free) { | |
2861 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " | |
2862 | "failed\n", ioc->name); | |
2863 | goto out; | |
2864 | } | |
2865 | memset(ioc->reply_free, 0, sz); | |
2866 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " | |
2867 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, | |
2868 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); | |
2869 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" | |
2870 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); | |
2871 | total_sz += sz; | |
2872 | ||
635374e7 EM |
2873 | ioc->config_page_sz = 512; |
2874 | ioc->config_page = pci_alloc_consistent(ioc->pdev, | |
2875 | ioc->config_page_sz, &ioc->config_page_dma); | |
2876 | if (!ioc->config_page) { | |
2877 | printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " | |
2878 | "failed\n", ioc->name); | |
2879 | goto out; | |
2880 | } | |
2881 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" | |
2882 | "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); | |
2883 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" | |
2884 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); | |
2885 | total_sz += ioc->config_page_sz; | |
2886 | ||
2887 | printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", | |
2888 | ioc->name, total_sz/1024); | |
2889 | printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " | |
2890 | "Max Controller Queue Depth(%d)\n", | |
2891 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); | |
2892 | printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", | |
2893 | ioc->name, ioc->shost->sg_tablesize); | |
2894 | return 0; | |
2895 | ||
2896 | out: | |
635374e7 EM |
2897 | return -ENOMEM; |
2898 | } | |
2899 | ||
2900 | ||
2901 | /** | |
2902 | * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. | |
2903 | * @ioc: Pointer to MPT_ADAPTER structure | |
2904 | * @cooked: Request raw or cooked IOC state | |
2905 | * | |
2906 | * Returns all IOC Doorbell register bits if cooked==0, else just the | |
2907 | * Doorbell bits in MPI_IOC_STATE_MASK. | |
2908 | */ | |
2909 | u32 | |
2910 | mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) | |
2911 | { | |
2912 | u32 s, sc; | |
2913 | ||
2914 | s = readl(&ioc->chip->Doorbell); | |
2915 | sc = s & MPI2_IOC_STATE_MASK; | |
2916 | return cooked ? sc : s; | |
2917 | } | |
2918 | ||
2919 | /** | |
2920 | * _base_wait_on_iocstate - waiting on a particular ioc state | |
2921 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } | |
2922 | * @timeout: timeout in second | |
2923 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2924 | * | |
2925 | * Returns 0 for success, non-zero for failure. | |
2926 | */ | |
2927 | static int | |
2928 | _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, | |
2929 | int sleep_flag) | |
2930 | { | |
2931 | u32 count, cntdn; | |
2932 | u32 current_state; | |
2933 | ||
2934 | count = 0; | |
2935 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2936 | do { | |
2937 | current_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2938 | if (current_state == ioc_state) | |
2939 | return 0; | |
2940 | if (count && current_state == MPI2_IOC_STATE_FAULT) | |
2941 | break; | |
2942 | if (sleep_flag == CAN_SLEEP) | |
2943 | msleep(1); | |
2944 | else | |
2945 | udelay(500); | |
2946 | count++; | |
2947 | } while (--cntdn); | |
2948 | ||
2949 | return current_state; | |
2950 | } | |
2951 | ||
2952 | /** | |
2953 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by | |
2954 | * a write to the doorbell) | |
2955 | * @ioc: per adapter object | |
2956 | * @timeout: timeout in second | |
2957 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2958 | * | |
2959 | * Returns 0 for success, non-zero for failure. | |
2960 | * | |
2961 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. | |
2962 | */ | |
2963 | static int | |
2964 | _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2965 | int sleep_flag) | |
2966 | { | |
2967 | u32 cntdn, count; | |
2968 | u32 int_status; | |
2969 | ||
2970 | count = 0; | |
2971 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2972 | do { | |
2973 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2974 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
eabb08ad | 2975 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2976 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2977 | __func__, count, timeout)); |
2978 | return 0; | |
2979 | } | |
2980 | if (sleep_flag == CAN_SLEEP) | |
2981 | msleep(1); | |
2982 | else | |
2983 | udelay(500); | |
2984 | count++; | |
2985 | } while (--cntdn); | |
2986 | ||
2987 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2988 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2989 | return -EFAULT; | |
2990 | } | |
2991 | ||
2992 | /** | |
2993 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. | |
2994 | * @ioc: per adapter object | |
2995 | * @timeout: timeout in second | |
2996 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2997 | * | |
2998 | * Returns 0 for success, non-zero for failure. | |
2999 | * | |
3000 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to | |
3001 | * doorbell. | |
3002 | */ | |
3003 | static int | |
3004 | _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
3005 | int sleep_flag) | |
3006 | { | |
3007 | u32 cntdn, count; | |
3008 | u32 int_status; | |
3009 | u32 doorbell; | |
3010 | ||
3011 | count = 0; | |
3012 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
3013 | do { | |
3014 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
3015 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { | |
eabb08ad | 3016 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 3017 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
3018 | __func__, count, timeout)); |
3019 | return 0; | |
3020 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
3021 | doorbell = readl(&ioc->chip->Doorbell); | |
3022 | if ((doorbell & MPI2_IOC_STATE_MASK) == | |
3023 | MPI2_IOC_STATE_FAULT) { | |
3024 | mpt2sas_base_fault_info(ioc , doorbell); | |
3025 | return -EFAULT; | |
3026 | } | |
3027 | } else if (int_status == 0xFFFFFFFF) | |
3028 | goto out; | |
3029 | ||
3030 | if (sleep_flag == CAN_SLEEP) | |
3031 | msleep(1); | |
3032 | else | |
3033 | udelay(500); | |
3034 | count++; | |
3035 | } while (--cntdn); | |
3036 | ||
3037 | out: | |
3038 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
3039 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
3040 | return -EFAULT; | |
3041 | } | |
3042 | ||
3043 | /** | |
3044 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use | |
3045 | * @ioc: per adapter object | |
3046 | * @timeout: timeout in second | |
3047 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3048 | * | |
3049 | * Returns 0 for success, non-zero for failure. | |
3050 | * | |
3051 | */ | |
3052 | static int | |
3053 | _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
3054 | int sleep_flag) | |
3055 | { | |
3056 | u32 cntdn, count; | |
3057 | u32 doorbell_reg; | |
3058 | ||
3059 | count = 0; | |
3060 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
3061 | do { | |
3062 | doorbell_reg = readl(&ioc->chip->Doorbell); | |
3063 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { | |
eabb08ad | 3064 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 3065 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
3066 | __func__, count, timeout)); |
3067 | return 0; | |
3068 | } | |
3069 | if (sleep_flag == CAN_SLEEP) | |
3070 | msleep(1); | |
3071 | else | |
3072 | udelay(500); | |
3073 | count++; | |
3074 | } while (--cntdn); | |
3075 | ||
3076 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
3077 | "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); | |
3078 | return -EFAULT; | |
3079 | } | |
3080 | ||
3081 | /** | |
3082 | * _base_send_ioc_reset - send doorbell reset | |
3083 | * @ioc: per adapter object | |
3084 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
3085 | * @timeout: timeout in second | |
3086 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3087 | * | |
3088 | * Returns 0 for success, non-zero for failure. | |
3089 | */ | |
3090 | static int | |
3091 | _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, | |
3092 | int sleep_flag) | |
3093 | { | |
3094 | u32 ioc_state; | |
3095 | int r = 0; | |
3096 | ||
3097 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { | |
3098 | printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", | |
3099 | ioc->name, __func__); | |
3100 | return -EFAULT; | |
3101 | } | |
3102 | ||
3103 | if (!(ioc->facts.IOCCapabilities & | |
3104 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) | |
3105 | return -EFAULT; | |
3106 | ||
3107 | printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); | |
3108 | ||
3109 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, | |
3110 | &ioc->chip->Doorbell); | |
3111 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { | |
3112 | r = -EFAULT; | |
3113 | goto out; | |
3114 | } | |
3115 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
3116 | timeout, sleep_flag); | |
3117 | if (ioc_state) { | |
3118 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
3119 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
3120 | r = -EFAULT; | |
3121 | goto out; | |
3122 | } | |
3123 | out: | |
3124 | printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", | |
3125 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
3126 | return r; | |
3127 | } | |
3128 | ||
3129 | /** | |
3130 | * _base_handshake_req_reply_wait - send request thru doorbell interface | |
3131 | * @ioc: per adapter object | |
3132 | * @request_bytes: request length | |
3133 | * @request: pointer having request payload | |
3134 | * @reply_bytes: reply length | |
3135 | * @reply: pointer to reply payload | |
3136 | * @timeout: timeout in second | |
3137 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3138 | * | |
3139 | * Returns 0 for success, non-zero for failure. | |
3140 | */ | |
3141 | static int | |
3142 | _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, | |
3143 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) | |
3144 | { | |
3145 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; | |
3146 | int i; | |
3147 | u8 failed; | |
3148 | u16 dummy; | |
c97951ec | 3149 | __le32 *mfp; |
635374e7 EM |
3150 | |
3151 | /* make sure doorbell is not in use */ | |
3152 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { | |
3153 | printk(MPT2SAS_ERR_FMT "doorbell is in use " | |
3154 | " (line=%d)\n", ioc->name, __LINE__); | |
3155 | return -EFAULT; | |
3156 | } | |
3157 | ||
3158 | /* clear pending doorbell interrupts from previous state changes */ | |
3159 | if (readl(&ioc->chip->HostInterruptStatus) & | |
3160 | MPI2_HIS_IOC2SYS_DB_STATUS) | |
3161 | writel(0, &ioc->chip->HostInterruptStatus); | |
3162 | ||
3163 | /* send message to ioc */ | |
3164 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | | |
3165 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), | |
3166 | &ioc->chip->Doorbell); | |
3167 | ||
29786e19 | 3168 | if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { |
635374e7 EM |
3169 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
3170 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3171 | return -EFAULT; | |
3172 | } | |
3173 | writel(0, &ioc->chip->HostInterruptStatus); | |
3174 | ||
3175 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { | |
3176 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3177 | "ack failed (line=%d)\n", ioc->name, __LINE__); | |
3178 | return -EFAULT; | |
3179 | } | |
3180 | ||
3181 | /* send message 32-bits at a time */ | |
3182 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { | |
3183 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); | |
3184 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) | |
3185 | failed = 1; | |
3186 | } | |
3187 | ||
3188 | if (failed) { | |
3189 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3190 | "sending request failed (line=%d)\n", ioc->name, __LINE__); | |
3191 | return -EFAULT; | |
3192 | } | |
3193 | ||
3194 | /* now wait for the reply */ | |
3195 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { | |
3196 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3197 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3198 | return -EFAULT; | |
3199 | } | |
3200 | ||
3201 | /* read the first two 16-bits, it gives the total length of the reply */ | |
3202 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3203 | & MPI2_DOORBELL_DATA_MASK); | |
3204 | writel(0, &ioc->chip->HostInterruptStatus); | |
3205 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3206 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3207 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3208 | return -EFAULT; | |
3209 | } | |
3210 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3211 | & MPI2_DOORBELL_DATA_MASK); | |
3212 | writel(0, &ioc->chip->HostInterruptStatus); | |
3213 | ||
3214 | for (i = 2; i < default_reply->MsgLength * 2; i++) { | |
3215 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3216 | printk(MPT2SAS_ERR_FMT "doorbell " | |
3217 | "handshake int failed (line=%d)\n", ioc->name, | |
3218 | __LINE__); | |
3219 | return -EFAULT; | |
3220 | } | |
3221 | if (i >= reply_bytes/2) /* overflow case */ | |
3222 | dummy = readl(&ioc->chip->Doorbell); | |
3223 | else | |
3224 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3225 | & MPI2_DOORBELL_DATA_MASK); | |
3226 | writel(0, &ioc->chip->HostInterruptStatus); | |
3227 | } | |
3228 | ||
3229 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); | |
3230 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { | |
3231 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " | |
3232 | " (line=%d)\n", ioc->name, __LINE__)); | |
3233 | } | |
3234 | writel(0, &ioc->chip->HostInterruptStatus); | |
3235 | ||
3236 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
c97951ec | 3237 | mfp = (__le32 *)reply; |
eabb08ad | 3238 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3239 | for (i = 0; i < reply_bytes/4; i++) |
eabb08ad | 3240 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3241 | le32_to_cpu(mfp[i])); |
3242 | } | |
3243 | return 0; | |
3244 | } | |
3245 | ||
3246 | /** | |
3247 | * mpt2sas_base_sas_iounit_control - send sas iounit control to FW | |
3248 | * @ioc: per adapter object | |
3249 | * @mpi_reply: the reply payload from FW | |
3250 | * @mpi_request: the request payload sent to FW | |
3251 | * | |
3252 | * The SAS IO Unit Control Request message allows the host to perform low-level | |
3253 | * operations, such as resets on the PHYs of the IO Unit, also allows the host | |
3254 | * to obtain the IOC assigned device handles for a device if it has other | |
3255 | * identifying information about the device, in addition allows the host to | |
3256 | * remove IOC resources associated with the device. | |
3257 | * | |
3258 | * Returns 0 for success, non-zero for failure. | |
3259 | */ | |
3260 | int | |
3261 | mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, | |
3262 | Mpi2SasIoUnitControlReply_t *mpi_reply, | |
3263 | Mpi2SasIoUnitControlRequest_t *mpi_request) | |
3264 | { | |
3265 | u16 smid; | |
3266 | u32 ioc_state; | |
3267 | unsigned long timeleft; | |
c51e3a4f | 3268 | bool issue_reset = false; |
635374e7 EM |
3269 | int rc; |
3270 | void *request; | |
3271 | u16 wait_state_count; | |
3272 | ||
eabb08ad | 3273 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3274 | __func__)); |
3275 | ||
3276 | mutex_lock(&ioc->base_cmds.mutex); | |
3277 | ||
3278 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3279 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3280 | ioc->name, __func__); | |
3281 | rc = -EAGAIN; | |
3282 | goto out; | |
3283 | } | |
3284 | ||
3285 | wait_state_count = 0; | |
3286 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3287 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3288 | if (wait_state_count++ == 10) { | |
3289 | printk(MPT2SAS_ERR_FMT | |
3290 | "%s: failed due to ioc not operational\n", | |
3291 | ioc->name, __func__); | |
3292 | rc = -EFAULT; | |
3293 | goto out; | |
3294 | } | |
3295 | ssleep(1); | |
3296 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3297 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3298 | "operational state(count=%d)\n", ioc->name, | |
3299 | __func__, wait_state_count); | |
3300 | } | |
3301 | ||
3302 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3303 | if (!smid) { | |
3304 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3305 | ioc->name, __func__); | |
3306 | rc = -EAGAIN; | |
3307 | goto out; | |
3308 | } | |
3309 | ||
3310 | rc = 0; | |
3311 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3312 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3313 | ioc->base_cmds.smid = smid; | |
3314 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3315 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
3316 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) | |
3317 | ioc->ioc_link_reset_in_progress = 1; | |
bcfb6e6e | 3318 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3319 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3320 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3321 | msecs_to_jiffies(10000)); | |
3322 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
3323 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && | |
3324 | ioc->ioc_link_reset_in_progress) | |
3325 | ioc->ioc_link_reset_in_progress = 0; | |
3326 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3327 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3328 | ioc->name, __func__); | |
3329 | _debug_dump_mf(mpi_request, | |
3330 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); | |
3331 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
c51e3a4f | 3332 | issue_reset = true; |
635374e7 EM |
3333 | goto issue_host_reset; |
3334 | } | |
3335 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3336 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3337 | sizeof(Mpi2SasIoUnitControlReply_t)); | |
3338 | else | |
3339 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
3340 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3341 | goto out; | |
3342 | ||
3343 | issue_host_reset: | |
3344 | if (issue_reset) | |
3345 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3346 | FORCE_BIG_HAMMER); | |
3347 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3348 | rc = -EFAULT; | |
3349 | out: | |
3350 | mutex_unlock(&ioc->base_cmds.mutex); | |
3351 | return rc; | |
3352 | } | |
3353 | ||
3354 | ||
3355 | /** | |
3356 | * mpt2sas_base_scsi_enclosure_processor - sending request to sep device | |
3357 | * @ioc: per adapter object | |
3358 | * @mpi_reply: the reply payload from FW | |
3359 | * @mpi_request: the request payload sent to FW | |
3360 | * | |
3361 | * The SCSI Enclosure Processor request message causes the IOC to | |
3362 | * communicate with SES devices to control LED status signals. | |
3363 | * | |
3364 | * Returns 0 for success, non-zero for failure. | |
3365 | */ | |
3366 | int | |
3367 | mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, | |
3368 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) | |
3369 | { | |
3370 | u16 smid; | |
3371 | u32 ioc_state; | |
3372 | unsigned long timeleft; | |
c51e3a4f | 3373 | bool issue_reset = false; |
635374e7 EM |
3374 | int rc; |
3375 | void *request; | |
3376 | u16 wait_state_count; | |
3377 | ||
eabb08ad | 3378 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3379 | __func__)); |
3380 | ||
3381 | mutex_lock(&ioc->base_cmds.mutex); | |
3382 | ||
3383 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3384 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3385 | ioc->name, __func__); | |
3386 | rc = -EAGAIN; | |
3387 | goto out; | |
3388 | } | |
3389 | ||
3390 | wait_state_count = 0; | |
3391 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3392 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3393 | if (wait_state_count++ == 10) { | |
3394 | printk(MPT2SAS_ERR_FMT | |
3395 | "%s: failed due to ioc not operational\n", | |
3396 | ioc->name, __func__); | |
3397 | rc = -EFAULT; | |
3398 | goto out; | |
3399 | } | |
3400 | ssleep(1); | |
3401 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3402 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3403 | "operational state(count=%d)\n", ioc->name, | |
3404 | __func__, wait_state_count); | |
3405 | } | |
3406 | ||
3407 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3408 | if (!smid) { | |
3409 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3410 | ioc->name, __func__); | |
3411 | rc = -EAGAIN; | |
3412 | goto out; | |
3413 | } | |
3414 | ||
3415 | rc = 0; | |
3416 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3417 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3418 | ioc->base_cmds.smid = smid; | |
3419 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); | |
bcfb6e6e | 3420 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3421 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3422 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3423 | msecs_to_jiffies(10000)); | |
3424 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3425 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3426 | ioc->name, __func__); | |
3427 | _debug_dump_mf(mpi_request, | |
3428 | sizeof(Mpi2SepRequest_t)/4); | |
3429 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
c51e3a4f | 3430 | issue_reset = true; |
635374e7 EM |
3431 | goto issue_host_reset; |
3432 | } | |
3433 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3434 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3435 | sizeof(Mpi2SepReply_t)); | |
3436 | else | |
3437 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); | |
3438 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3439 | goto out; | |
3440 | ||
3441 | issue_host_reset: | |
3442 | if (issue_reset) | |
3443 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3444 | FORCE_BIG_HAMMER); | |
3445 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3446 | rc = -EFAULT; | |
3447 | out: | |
3448 | mutex_unlock(&ioc->base_cmds.mutex); | |
3449 | return rc; | |
3450 | } | |
3451 | ||
3452 | /** | |
3453 | * _base_get_port_facts - obtain port facts reply and save in ioc | |
3454 | * @ioc: per adapter object | |
3455 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3456 | * | |
3457 | * Returns 0 for success, non-zero for failure. | |
3458 | */ | |
3459 | static int | |
3460 | _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) | |
3461 | { | |
3462 | Mpi2PortFactsRequest_t mpi_request; | |
c97951ec KD |
3463 | Mpi2PortFactsReply_t mpi_reply; |
3464 | struct mpt2sas_port_facts *pfacts; | |
635374e7 EM |
3465 | int mpi_reply_sz, mpi_request_sz, r; |
3466 | ||
eabb08ad | 3467 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3468 | __func__)); |
3469 | ||
3470 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); | |
3471 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); | |
3472 | memset(&mpi_request, 0, mpi_request_sz); | |
3473 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; | |
3474 | mpi_request.PortNumber = port; | |
3475 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3476 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3477 | ||
3478 | if (r != 0) { | |
3479 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3480 | ioc->name, __func__, r); | |
3481 | return r; | |
3482 | } | |
3483 | ||
3484 | pfacts = &ioc->pfacts[port]; | |
e42fafc2 | 3485 | memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); |
635374e7 EM |
3486 | pfacts->PortNumber = mpi_reply.PortNumber; |
3487 | pfacts->VP_ID = mpi_reply.VP_ID; | |
3488 | pfacts->VF_ID = mpi_reply.VF_ID; | |
3489 | pfacts->MaxPostedCmdBuffers = | |
3490 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); | |
3491 | ||
3492 | return 0; | |
3493 | } | |
3494 | ||
a66dd970 SR |
3495 | /** |
3496 | * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL | |
3497 | * @ioc: per adapter object | |
3498 | * @timeout: | |
3499 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3500 | * | |
3501 | * Returns 0 for success, non-zero for failure. | |
3502 | */ | |
3503 | static int | |
3504 | _base_wait_for_iocstate(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
3505 | int sleep_flag) | |
3506 | { | |
3507 | u32 ioc_state, doorbell; | |
3508 | int rc; | |
3509 | ||
3510 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
3511 | __func__)); | |
3512 | ||
3513 | if (ioc->pci_error_recovery) | |
3514 | return 0; | |
3515 | ||
3516 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
3517 | ioc_state = doorbell & MPI2_IOC_STATE_MASK; | |
3518 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", | |
3519 | ioc->name, __func__, ioc_state)); | |
3520 | ||
3521 | switch (ioc_state) { | |
3522 | case MPI2_IOC_STATE_READY: | |
3523 | case MPI2_IOC_STATE_OPERATIONAL: | |
3524 | return 0; | |
3525 | } | |
3526 | ||
3527 | if (doorbell & MPI2_DOORBELL_USED) { | |
3528 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3529 | "unexpected doorbell activ!e\n", ioc->name)); | |
3530 | goto issue_diag_reset; | |
3531 | } | |
3532 | ||
3533 | if (ioc_state == MPI2_IOC_STATE_FAULT) { | |
3534 | mpt2sas_base_fault_info(ioc, doorbell & | |
3535 | MPI2_DOORBELL_DATA_MASK); | |
3536 | goto issue_diag_reset; | |
3537 | } | |
3538 | ||
3539 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
3540 | timeout, sleep_flag); | |
3541 | if (ioc_state) { | |
3542 | printk(MPT2SAS_ERR_FMT | |
3543 | "%s: failed going to ready state (ioc_state=0x%x)\n", | |
3544 | ioc->name, __func__, ioc_state); | |
3545 | return -EFAULT; | |
3546 | } | |
3547 | ||
3548 | issue_diag_reset: | |
3549 | rc = _base_diag_reset(ioc, sleep_flag); | |
3550 | return rc; | |
3551 | } | |
3552 | ||
635374e7 EM |
3553 | /** |
3554 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc | |
3555 | * @ioc: per adapter object | |
3556 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3557 | * | |
3558 | * Returns 0 for success, non-zero for failure. | |
3559 | */ | |
3560 | static int | |
3561 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3562 | { | |
3563 | Mpi2IOCFactsRequest_t mpi_request; | |
c97951ec KD |
3564 | Mpi2IOCFactsReply_t mpi_reply; |
3565 | struct mpt2sas_facts *facts; | |
635374e7 EM |
3566 | int mpi_reply_sz, mpi_request_sz, r; |
3567 | ||
eabb08ad | 3568 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3569 | __func__)); |
3570 | ||
a66dd970 SR |
3571 | r = _base_wait_for_iocstate(ioc, 10, sleep_flag); |
3572 | if (r) { | |
3573 | printk(MPT2SAS_ERR_FMT "%s: failed getting to correct state\n", | |
3574 | ioc->name, __func__); | |
3575 | return r; | |
3576 | } | |
3577 | ||
635374e7 EM |
3578 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); |
3579 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); | |
3580 | memset(&mpi_request, 0, mpi_request_sz); | |
3581 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; | |
3582 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3583 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3584 | ||
3585 | if (r != 0) { | |
3586 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3587 | ioc->name, __func__, r); | |
3588 | return r; | |
3589 | } | |
3590 | ||
3591 | facts = &ioc->facts; | |
e42fafc2 | 3592 | memset(facts, 0, sizeof(struct mpt2sas_facts)); |
635374e7 EM |
3593 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); |
3594 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); | |
3595 | facts->VP_ID = mpi_reply.VP_ID; | |
3596 | facts->VF_ID = mpi_reply.VF_ID; | |
3597 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); | |
3598 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; | |
3599 | facts->WhoInit = mpi_reply.WhoInit; | |
3600 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; | |
911ae943 | 3601 | facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; |
635374e7 EM |
3602 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); |
3603 | facts->MaxReplyDescriptorPostQueueDepth = | |
3604 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); | |
3605 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); | |
3606 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); | |
3607 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) | |
3608 | ioc->ir_firmware = 1; | |
5fb1bf8a SR |
3609 | if ((facts->IOCCapabilities & |
3610 | MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE)) | |
3611 | ioc->rdpq_array_capable = 1; | |
635374e7 EM |
3612 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); |
3613 | facts->IOCRequestFrameSize = | |
3614 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); | |
3615 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); | |
3616 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); | |
3617 | ioc->shost->max_id = -1; | |
3618 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); | |
3619 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); | |
3620 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); | |
3621 | facts->HighPriorityCredit = | |
3622 | le16_to_cpu(mpi_reply.HighPriorityCredit); | |
3623 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; | |
3624 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); | |
3625 | ||
3626 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " | |
3627 | "max chains per io(%d)\n", ioc->name, facts->RequestCredit, | |
3628 | facts->MaxChainDepth)); | |
3629 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " | |
3630 | "reply frame size(%d)\n", ioc->name, | |
3631 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); | |
3632 | return 0; | |
3633 | } | |
3634 | ||
3635 | /** | |
3636 | * _base_send_ioc_init - send ioc_init to firmware | |
3637 | * @ioc: per adapter object | |
635374e7 EM |
3638 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3639 | * | |
3640 | * Returns 0 for success, non-zero for failure. | |
3641 | */ | |
3642 | static int | |
7b936b02 | 3643 | _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3644 | { |
3645 | Mpi2IOCInitRequest_t mpi_request; | |
3646 | Mpi2IOCInitReply_t mpi_reply; | |
5fb1bf8a | 3647 | int i, r = 0; |
a8ebd76c | 3648 | struct timeval current_time; |
463217bf | 3649 | u16 ioc_status; |
5fb1bf8a SR |
3650 | u32 reply_post_free_array_sz = 0; |
3651 | Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL; | |
3652 | dma_addr_t reply_post_free_array_dma; | |
635374e7 | 3653 | |
eabb08ad | 3654 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3655 | __func__)); |
3656 | ||
3657 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); | |
3658 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; | |
3659 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
7b936b02 KD |
3660 | mpi_request.VF_ID = 0; /* TODO */ |
3661 | mpi_request.VP_ID = 0; | |
635374e7 EM |
3662 | mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); |
3663 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
3664 | ||
911ae943 | 3665 | if (_base_is_controller_msix_enabled(ioc)) |
3666 | mpi_request.HostMSIxVectors = ioc->reply_queue_count; | |
635374e7 EM |
3667 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); |
3668 | mpi_request.ReplyDescriptorPostQueueDepth = | |
3669 | cpu_to_le16(ioc->reply_post_queue_depth); | |
3670 | mpi_request.ReplyFreeQueueDepth = | |
3671 | cpu_to_le16(ioc->reply_free_queue_depth); | |
3672 | ||
635374e7 | 3673 | mpi_request.SenseBufferAddressHigh = |
c97951ec | 3674 | cpu_to_le32((u64)ioc->sense_dma >> 32); |
635374e7 | 3675 | mpi_request.SystemReplyAddressHigh = |
c97951ec | 3676 | cpu_to_le32((u64)ioc->reply_dma >> 32); |
635374e7 | 3677 | mpi_request.SystemRequestFrameBaseAddress = |
c97951ec | 3678 | cpu_to_le64((u64)ioc->request_dma); |
635374e7 | 3679 | mpi_request.ReplyFreeQueueAddress = |
c97951ec | 3680 | cpu_to_le64((u64)ioc->reply_free_dma); |
c97951ec | 3681 | |
5fb1bf8a SR |
3682 | if (ioc->rdpq_array_enable) { |
3683 | reply_post_free_array_sz = ioc->reply_queue_count * | |
3684 | sizeof(Mpi2IOCInitRDPQArrayEntry); | |
3685 | reply_post_free_array = pci_alloc_consistent(ioc->pdev, | |
3686 | reply_post_free_array_sz, &reply_post_free_array_dma); | |
3687 | if (!reply_post_free_array) { | |
3688 | printk(MPT2SAS_ERR_FMT | |
3689 | "reply_post_free_array: pci_alloc_consistent failed\n", | |
3690 | ioc->name); | |
3691 | r = -ENOMEM; | |
3692 | goto out; | |
3693 | } | |
3694 | memset(reply_post_free_array, 0, reply_post_free_array_sz); | |
3695 | for (i = 0; i < ioc->reply_queue_count; i++) | |
3696 | reply_post_free_array[i].RDPQBaseAddress = | |
3697 | cpu_to_le64( | |
3698 | (u64)ioc->reply_post[i].reply_post_free_dma); | |
3699 | mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE; | |
3700 | mpi_request.ReplyDescriptorPostQueueAddress = | |
3701 | cpu_to_le64((u64)reply_post_free_array_dma); | |
3702 | } else { | |
3703 | mpi_request.ReplyDescriptorPostQueueAddress = | |
3704 | cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma); | |
3705 | } | |
635374e7 | 3706 | |
a8ebd76c KD |
3707 | /* This time stamp specifies number of milliseconds |
3708 | * since epoch ~ midnight January 1, 1970. | |
3709 | */ | |
3710 | do_gettimeofday(¤t_time); | |
7921b35c KD |
3711 | mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + |
3712 | (current_time.tv_usec / 1000)); | |
a8ebd76c | 3713 | |
635374e7 | 3714 | if (ioc->logging_level & MPT_DEBUG_INIT) { |
c97951ec | 3715 | __le32 *mfp; |
635374e7 EM |
3716 | int i; |
3717 | ||
c97951ec | 3718 | mfp = (__le32 *)&mpi_request; |
eabb08ad | 3719 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3720 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) |
eabb08ad | 3721 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3722 | le32_to_cpu(mfp[i])); |
3723 | } | |
3724 | ||
3725 | r = _base_handshake_req_reply_wait(ioc, | |
3726 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, | |
3727 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, | |
3728 | sleep_flag); | |
3729 | ||
3730 | if (r != 0) { | |
3731 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3732 | ioc->name, __func__, r); | |
5fb1bf8a | 3733 | goto out; |
635374e7 EM |
3734 | } |
3735 | ||
463217bf KD |
3736 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
3737 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS || | |
635374e7 EM |
3738 | mpi_reply.IOCLogInfo) { |
3739 | printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); | |
3740 | r = -EIO; | |
3741 | } | |
3742 | ||
5fb1bf8a SR |
3743 | out: |
3744 | if (reply_post_free_array) | |
3745 | pci_free_consistent(ioc->pdev, reply_post_free_array_sz, | |
3746 | reply_post_free_array, | |
3747 | reply_post_free_array_dma); | |
3748 | return r; | |
635374e7 EM |
3749 | } |
3750 | ||
921cd802 | 3751 | /** |
3752 | * mpt2sas_port_enable_done - command completion routine for port enable | |
3753 | * @ioc: per adapter object | |
3754 | * @smid: system request message index | |
3755 | * @msix_index: MSIX table index supplied by the OS | |
3756 | * @reply: reply message frame(lower 32bit addr) | |
3757 | * | |
3758 | * Return 1 meaning mf should be freed from _base_interrupt | |
3759 | * 0 means the mf is freed from this function. | |
3760 | */ | |
3761 | u8 | |
3762 | mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
3763 | u32 reply) | |
3764 | { | |
3765 | MPI2DefaultReply_t *mpi_reply; | |
3766 | u16 ioc_status; | |
3767 | ||
3768 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3769 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
3770 | return 1; | |
3771 | ||
3772 | if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) | |
3773 | return 1; | |
3774 | ||
3775 | ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; | |
3776 | if (mpi_reply) { | |
3777 | ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; | |
3778 | memcpy(ioc->port_enable_cmds.reply, mpi_reply, | |
3779 | mpi_reply->MsgLength*4); | |
3780 | } | |
3781 | ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; | |
3782 | ||
3783 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
3784 | ||
3785 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
3786 | ioc->port_enable_failed = 1; | |
3787 | ||
3788 | if (ioc->is_driver_loading) { | |
3789 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
3790 | mpt2sas_port_enable_complete(ioc); | |
3791 | return 1; | |
3792 | } else { | |
3793 | ioc->start_scan_failed = ioc_status; | |
3794 | ioc->start_scan = 0; | |
3795 | return 1; | |
3796 | } | |
3797 | } | |
3798 | complete(&ioc->port_enable_cmds.done); | |
3799 | return 1; | |
3800 | } | |
3801 | ||
3802 | ||
635374e7 EM |
3803 | /** |
3804 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware | |
3805 | * @ioc: per adapter object | |
635374e7 EM |
3806 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3807 | * | |
3808 | * Returns 0 for success, non-zero for failure. | |
3809 | */ | |
3810 | static int | |
7b936b02 | 3811 | _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3812 | { |
3813 | Mpi2PortEnableRequest_t *mpi_request; | |
921cd802 | 3814 | Mpi2PortEnableReply_t *mpi_reply; |
635374e7 EM |
3815 | unsigned long timeleft; |
3816 | int r = 0; | |
3817 | u16 smid; | |
921cd802 | 3818 | u16 ioc_status; |
635374e7 EM |
3819 | |
3820 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3821 | ||
921cd802 | 3822 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
635374e7 EM |
3823 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", |
3824 | ioc->name, __func__); | |
3825 | return -EAGAIN; | |
3826 | } | |
3827 | ||
921cd802 | 3828 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); |
635374e7 EM |
3829 | if (!smid) { |
3830 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3831 | ioc->name, __func__); | |
3832 | return -EAGAIN; | |
3833 | } | |
3834 | ||
921cd802 | 3835 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; |
635374e7 | 3836 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
921cd802 | 3837 | ioc->port_enable_cmds.smid = smid; |
635374e7 EM |
3838 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); |
3839 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
635374e7 | 3840 | |
921cd802 | 3841 | init_completion(&ioc->port_enable_cmds.done); |
7b936b02 | 3842 | mpt2sas_base_put_smid_default(ioc, smid); |
921cd802 | 3843 | timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, |
635374e7 | 3844 | 300*HZ); |
921cd802 | 3845 | if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { |
635374e7 EM |
3846 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
3847 | ioc->name, __func__); | |
3848 | _debug_dump_mf(mpi_request, | |
3849 | sizeof(Mpi2PortEnableRequest_t)/4); | |
921cd802 | 3850 | if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) |
635374e7 EM |
3851 | r = -EFAULT; |
3852 | else | |
3853 | r = -ETIME; | |
3854 | goto out; | |
921cd802 | 3855 | } |
3856 | mpi_reply = ioc->port_enable_cmds.reply; | |
635374e7 | 3857 | |
921cd802 | 3858 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; |
3859 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3860 | printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", | |
3861 | ioc->name, __func__, ioc_status); | |
635374e7 | 3862 | r = -EFAULT; |
921cd802 | 3863 | goto out; |
635374e7 EM |
3864 | } |
3865 | out: | |
921cd802 | 3866 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; |
3867 | printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? | |
3868 | "SUCCESS" : "FAILED")); | |
635374e7 EM |
3869 | return r; |
3870 | } | |
3871 | ||
921cd802 | 3872 | /** |
3873 | * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) | |
3874 | * @ioc: per adapter object | |
3875 | * | |
3876 | * Returns 0 for success, non-zero for failure. | |
3877 | */ | |
3878 | int | |
3879 | mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) | |
3880 | { | |
3881 | Mpi2PortEnableRequest_t *mpi_request; | |
3882 | u16 smid; | |
3883 | ||
3884 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3885 | ||
3886 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { | |
3887 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3888 | ioc->name, __func__); | |
3889 | return -EAGAIN; | |
3890 | } | |
3891 | ||
3892 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); | |
3893 | if (!smid) { | |
3894 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3895 | ioc->name, __func__); | |
3896 | return -EAGAIN; | |
3897 | } | |
3898 | ||
3899 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; | |
3900 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3901 | ioc->port_enable_cmds.smid = smid; | |
3902 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
3903 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
3904 | ||
3905 | mpt2sas_base_put_smid_default(ioc, smid); | |
3906 | return 0; | |
3907 | } | |
3908 | ||
3909 | /** | |
3910 | * _base_determine_wait_on_discovery - desposition | |
3911 | * @ioc: per adapter object | |
3912 | * | |
3913 | * Decide whether to wait on discovery to complete. Used to either | |
3914 | * locate boot device, or report volumes ahead of physical devices. | |
3915 | * | |
3916 | * Returns 1 for wait, 0 for don't wait | |
3917 | */ | |
3918 | static int | |
3919 | _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) | |
3920 | { | |
3921 | /* We wait for discovery to complete if IR firmware is loaded. | |
3922 | * The sas topology events arrive before PD events, so we need time to | |
3923 | * turn on the bit in ioc->pd_handles to indicate PD | |
3924 | * Also, it maybe required to report Volumes ahead of physical | |
3925 | * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. | |
3926 | */ | |
3927 | if (ioc->ir_firmware) | |
3928 | return 1; | |
3929 | ||
3930 | /* if no Bios, then we don't need to wait */ | |
3931 | if (!ioc->bios_pg3.BiosVersion) | |
3932 | return 0; | |
3933 | ||
3934 | /* Bios is present, then we drop down here. | |
3935 | * | |
3936 | * If there any entries in the Bios Page 2, then we wait | |
3937 | * for discovery to complete. | |
3938 | */ | |
3939 | ||
3940 | /* Current Boot Device */ | |
3941 | if ((ioc->bios_pg2.CurrentBootDeviceForm & | |
3942 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3943 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
3944 | /* Request Boot Device */ | |
3945 | (ioc->bios_pg2.ReqBootDeviceForm & | |
3946 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3947 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
3948 | /* Alternate Request Boot Device */ | |
3949 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
3950 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3951 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) | |
3952 | return 0; | |
3953 | ||
3954 | return 1; | |
3955 | } | |
3956 | ||
3957 | ||
635374e7 EM |
3958 | /** |
3959 | * _base_unmask_events - turn on notification for this event | |
3960 | * @ioc: per adapter object | |
3961 | * @event: firmware event | |
3962 | * | |
3963 | * The mask is stored in ioc->event_masks. | |
3964 | */ | |
3965 | static void | |
3966 | _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
3967 | { | |
3968 | u32 desired_event; | |
3969 | ||
3970 | if (event >= 128) | |
3971 | return; | |
3972 | ||
3973 | desired_event = (1 << (event % 32)); | |
3974 | ||
3975 | if (event < 32) | |
3976 | ioc->event_masks[0] &= ~desired_event; | |
3977 | else if (event < 64) | |
3978 | ioc->event_masks[1] &= ~desired_event; | |
3979 | else if (event < 96) | |
3980 | ioc->event_masks[2] &= ~desired_event; | |
3981 | else if (event < 128) | |
3982 | ioc->event_masks[3] &= ~desired_event; | |
3983 | } | |
3984 | ||
3985 | /** | |
3986 | * _base_event_notification - send event notification | |
3987 | * @ioc: per adapter object | |
635374e7 EM |
3988 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3989 | * | |
3990 | * Returns 0 for success, non-zero for failure. | |
3991 | */ | |
3992 | static int | |
7b936b02 | 3993 | _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3994 | { |
3995 | Mpi2EventNotificationRequest_t *mpi_request; | |
3996 | unsigned long timeleft; | |
3997 | u16 smid; | |
3998 | int r = 0; | |
3999 | int i; | |
4000 | ||
eabb08ad | 4001 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4002 | __func__)); |
4003 | ||
4004 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
4005 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
4006 | ioc->name, __func__); | |
4007 | return -EAGAIN; | |
4008 | } | |
4009 | ||
4010 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
4011 | if (!smid) { | |
4012 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
4013 | ioc->name, __func__); | |
4014 | return -EAGAIN; | |
4015 | } | |
4016 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
4017 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
4018 | ioc->base_cmds.smid = smid; | |
4019 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); | |
4020 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
7b936b02 KD |
4021 | mpi_request->VF_ID = 0; /* TODO */ |
4022 | mpi_request->VP_ID = 0; | |
635374e7 EM |
4023 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
4024 | mpi_request->EventMasks[i] = | |
e94f6747 | 4025 | cpu_to_le32(ioc->event_masks[i]); |
bcfb6e6e | 4026 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 4027 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
4028 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); |
4029 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
4030 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
4031 | ioc->name, __func__); | |
4032 | _debug_dump_mf(mpi_request, | |
4033 | sizeof(Mpi2EventNotificationRequest_t)/4); | |
4034 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
4035 | r = -EFAULT; | |
4036 | else | |
4037 | r = -ETIME; | |
4038 | } else | |
eabb08ad | 4039 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", |
635374e7 EM |
4040 | ioc->name, __func__)); |
4041 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
4042 | return r; | |
4043 | } | |
4044 | ||
4045 | /** | |
4046 | * mpt2sas_base_validate_event_type - validating event types | |
4047 | * @ioc: per adapter object | |
4048 | * @event: firmware event | |
4049 | * | |
4050 | * This will turn on firmware event notification when application | |
4051 | * ask for that event. We don't mask events that are already enabled. | |
4052 | */ | |
4053 | void | |
4054 | mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) | |
4055 | { | |
4056 | int i, j; | |
4057 | u32 event_mask, desired_event; | |
4058 | u8 send_update_to_fw; | |
4059 | ||
4060 | for (i = 0, send_update_to_fw = 0; i < | |
4061 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { | |
4062 | event_mask = ~event_type[i]; | |
4063 | desired_event = 1; | |
4064 | for (j = 0; j < 32; j++) { | |
4065 | if (!(event_mask & desired_event) && | |
4066 | (ioc->event_masks[i] & desired_event)) { | |
4067 | ioc->event_masks[i] &= ~desired_event; | |
4068 | send_update_to_fw = 1; | |
4069 | } | |
4070 | desired_event = (desired_event << 1); | |
4071 | } | |
4072 | } | |
4073 | ||
4074 | if (!send_update_to_fw) | |
4075 | return; | |
4076 | ||
4077 | mutex_lock(&ioc->base_cmds.mutex); | |
7b936b02 | 4078 | _base_event_notification(ioc, CAN_SLEEP); |
635374e7 EM |
4079 | mutex_unlock(&ioc->base_cmds.mutex); |
4080 | } | |
4081 | ||
4082 | /** | |
4083 | * _base_diag_reset - the "big hammer" start of day reset | |
4084 | * @ioc: per adapter object | |
4085 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4086 | * | |
4087 | * Returns 0 for success, non-zero for failure. | |
4088 | */ | |
4089 | static int | |
4090 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
4091 | { | |
4092 | u32 host_diagnostic; | |
4093 | u32 ioc_state; | |
4094 | u32 count; | |
4095 | u32 hcb_size; | |
4096 | ||
4097 | printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); | |
eabb08ad | 4098 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", |
635374e7 | 4099 | ioc->name)); |
635374e7 EM |
4100 | |
4101 | count = 0; | |
4102 | do { | |
4103 | /* Write magic sequence to WriteSequence register | |
4104 | * Loop until in diagnostic mode | |
4105 | */ | |
eabb08ad | 4106 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " |
635374e7 EM |
4107 | "sequence\n", ioc->name)); |
4108 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4109 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); | |
4110 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); | |
4111 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); | |
4112 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4113 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4114 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4115 | ||
4116 | /* wait 100 msec */ | |
4117 | if (sleep_flag == CAN_SLEEP) | |
4118 | msleep(100); | |
4119 | else | |
4120 | mdelay(100); | |
4121 | ||
4122 | if (count++ > 20) | |
4123 | goto out; | |
4124 | ||
4125 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
eabb08ad | 4126 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " |
635374e7 EM |
4127 | "sequence: count(%d), host_diagnostic(0x%08x)\n", |
4128 | ioc->name, count, host_diagnostic)); | |
4129 | ||
4130 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); | |
4131 | ||
4132 | hcb_size = readl(&ioc->chip->HCBSize); | |
4133 | ||
eabb08ad | 4134 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", |
635374e7 EM |
4135 | ioc->name)); |
4136 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, | |
4137 | &ioc->chip->HostDiagnostic); | |
4138 | ||
ca6832e9 SR |
4139 | /* This delay allows the chip PCIe hardware time to finish reset tasks*/ |
4140 | if (sleep_flag == CAN_SLEEP) | |
4141 | msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); | |
4142 | else | |
4143 | mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); | |
635374e7 | 4144 | |
ca6832e9 SR |
4145 | /* Approximately 300 second max wait */ |
4146 | for (count = 0; count < (300000000 / | |
4147 | MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { | |
635374e7 EM |
4148 | |
4149 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
4150 | ||
4151 | if (host_diagnostic == 0xFFFFFFFF) | |
4152 | goto out; | |
4153 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | |
4154 | break; | |
4155 | ||
ca6832e9 | 4156 | /* Wait to pass the second read delay window */ |
635374e7 | 4157 | if (sleep_flag == CAN_SLEEP) |
ca6832e9 SR |
4158 | msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC |
4159 | /1000); | |
635374e7 | 4160 | else |
ca6832e9 SR |
4161 | mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC |
4162 | /1000); | |
635374e7 EM |
4163 | } |
4164 | ||
4165 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { | |
4166 | ||
eabb08ad | 4167 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " |
635374e7 EM |
4168 | "assuming the HCB Address points to good F/W\n", |
4169 | ioc->name)); | |
4170 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; | |
4171 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; | |
4172 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); | |
4173 | ||
eabb08ad | 4174 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
4175 | "re-enable the HCDW\n", ioc->name)); |
4176 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, | |
4177 | &ioc->chip->HCBSize); | |
4178 | } | |
4179 | ||
eabb08ad | 4180 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", |
635374e7 EM |
4181 | ioc->name)); |
4182 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, | |
4183 | &ioc->chip->HostDiagnostic); | |
4184 | ||
eabb08ad | 4185 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " |
635374e7 EM |
4186 | "diagnostic register\n", ioc->name)); |
4187 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
4188 | ||
eabb08ad | 4189 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " |
635374e7 EM |
4190 | "READY state\n", ioc->name)); |
4191 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, | |
4192 | sleep_flag); | |
4193 | if (ioc_state) { | |
4194 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
4195 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
4196 | goto out; | |
4197 | } | |
4198 | ||
635374e7 EM |
4199 | printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); |
4200 | return 0; | |
4201 | ||
4202 | out: | |
4203 | printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); | |
4204 | return -EFAULT; | |
4205 | } | |
4206 | ||
4207 | /** | |
4208 | * _base_make_ioc_ready - put controller in READY state | |
4209 | * @ioc: per adapter object | |
4210 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4211 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
4212 | * | |
4213 | * Returns 0 for success, non-zero for failure. | |
4214 | */ | |
4215 | static int | |
4216 | _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
4217 | enum reset_type type) | |
4218 | { | |
4219 | u32 ioc_state; | |
d32a8c15 | 4220 | int rc; |
635374e7 | 4221 | |
eabb08ad | 4222 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4223 | __func__)); |
4224 | ||
3cb5469a EM |
4225 | if (ioc->pci_error_recovery) |
4226 | return 0; | |
4227 | ||
635374e7 | 4228 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
eabb08ad | 4229 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", |
635374e7 EM |
4230 | ioc->name, __func__, ioc_state)); |
4231 | ||
4232 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) | |
4233 | return 0; | |
4234 | ||
4235 | if (ioc_state & MPI2_DOORBELL_USED) { | |
eabb08ad | 4236 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
635374e7 EM |
4237 | "active!\n", ioc->name)); |
4238 | goto issue_diag_reset; | |
4239 | } | |
4240 | ||
4241 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
4242 | mpt2sas_base_fault_info(ioc, ioc_state & | |
4243 | MPI2_DOORBELL_DATA_MASK); | |
4244 | goto issue_diag_reset; | |
4245 | } | |
4246 | ||
4247 | if (type == FORCE_BIG_HAMMER) | |
4248 | goto issue_diag_reset; | |
4249 | ||
4250 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
4251 | if (!(_base_send_ioc_reset(ioc, | |
d32a8c15 KD |
4252 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { |
4253 | ioc->ioc_reset_count++; | |
635374e7 | 4254 | return 0; |
d32a8c15 | 4255 | } |
635374e7 EM |
4256 | |
4257 | issue_diag_reset: | |
d32a8c15 KD |
4258 | rc = _base_diag_reset(ioc, CAN_SLEEP); |
4259 | ioc->ioc_reset_count++; | |
4260 | return rc; | |
635374e7 EM |
4261 | } |
4262 | ||
4263 | /** | |
4264 | * _base_make_ioc_operational - put controller in OPERATIONAL state | |
4265 | * @ioc: per adapter object | |
635374e7 EM |
4266 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
4267 | * | |
4268 | * Returns 0 for success, non-zero for failure. | |
4269 | */ | |
4270 | static int | |
7b936b02 | 4271 | _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
4272 | { |
4273 | int r, i; | |
4274 | unsigned long flags; | |
4275 | u32 reply_address; | |
595bb0bd | 4276 | u16 smid; |
77e63ed4 | 4277 | struct _tr_list *delayed_tr, *delayed_tr_next; |
0bdccdb0 | 4278 | u8 hide_flag; |
911ae943 | 4279 | struct adapter_reply_queue *reply_q; |
4280 | long reply_post_free; | |
5fb1bf8a | 4281 | u32 reply_post_free_sz, index = 0; |
635374e7 | 4282 | |
eabb08ad | 4283 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4284 | __func__)); |
4285 | ||
77e63ed4 KD |
4286 | /* clean the delayed target reset list */ |
4287 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, | |
4288 | &ioc->delayed_tr_list, list) { | |
4289 | list_del(&delayed_tr->list); | |
4290 | kfree(delayed_tr); | |
4291 | } | |
4292 | ||
f3eedd69 KD |
4293 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, |
4294 | &ioc->delayed_tr_volume_list, list) { | |
4295 | list_del(&delayed_tr->list); | |
4296 | kfree(delayed_tr); | |
4297 | } | |
4298 | ||
635374e7 EM |
4299 | /* initialize the scsi lookup free list */ |
4300 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
4301 | INIT_LIST_HEAD(&ioc->free_list); | |
595bb0bd KD |
4302 | smid = 1; |
4303 | for (i = 0; i < ioc->scsiio_depth; i++, smid++) { | |
35f805b5 | 4304 | INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); |
635374e7 | 4305 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
595bb0bd KD |
4306 | ioc->scsi_lookup[i].smid = smid; |
4307 | ioc->scsi_lookup[i].scmd = NULL; | |
0bdccdb0 | 4308 | ioc->scsi_lookup[i].direct_io = 0; |
635374e7 EM |
4309 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
4310 | &ioc->free_list); | |
4311 | } | |
595bb0bd KD |
4312 | |
4313 | /* hi-priority queue */ | |
4314 | INIT_LIST_HEAD(&ioc->hpr_free_list); | |
4315 | smid = ioc->hi_priority_smid; | |
4316 | for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { | |
4317 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
4318 | ioc->hpr_lookup[i].smid = smid; | |
4319 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
4320 | &ioc->hpr_free_list); | |
4321 | } | |
4322 | ||
4323 | /* internal queue */ | |
4324 | INIT_LIST_HEAD(&ioc->internal_free_list); | |
4325 | smid = ioc->internal_smid; | |
4326 | for (i = 0; i < ioc->internal_depth; i++, smid++) { | |
4327 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
4328 | ioc->internal_lookup[i].smid = smid; | |
4329 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
4330 | &ioc->internal_free_list); | |
4331 | } | |
35f805b5 KD |
4332 | |
4333 | /* chain pool */ | |
4334 | INIT_LIST_HEAD(&ioc->free_chain_list); | |
4335 | for (i = 0; i < ioc->chain_depth; i++) | |
4336 | list_add_tail(&ioc->chain_lookup[i].tracker_list, | |
4337 | &ioc->free_chain_list); | |
4338 | ||
635374e7 EM |
4339 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
4340 | ||
4341 | /* initialize Reply Free Queue */ | |
4342 | for (i = 0, reply_address = (u32)ioc->reply_dma ; | |
4343 | i < ioc->reply_free_queue_depth ; i++, reply_address += | |
4344 | ioc->reply_sz) | |
4345 | ioc->reply_free[i] = cpu_to_le32(reply_address); | |
4346 | ||
911ae943 | 4347 | /* initialize reply queues */ |
2cb6fc8c | 4348 | if (ioc->is_driver_loading) |
4349 | _base_assign_reply_queues(ioc); | |
911ae943 | 4350 | |
635374e7 | 4351 | /* initialize Reply Post Free Queue */ |
911ae943 | 4352 | reply_post_free_sz = ioc->reply_post_queue_depth * |
4353 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
5fb1bf8a | 4354 | reply_post_free = (long)ioc->reply_post[index].reply_post_free; |
911ae943 | 4355 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
4356 | reply_q->reply_post_host_index = 0; | |
4357 | reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) | |
4358 | reply_post_free; | |
4359 | for (i = 0; i < ioc->reply_post_queue_depth; i++) | |
4360 | reply_q->reply_post_free[i].Words = | |
5fb1bf8a | 4361 | cpu_to_le64(ULLONG_MAX); |
911ae943 | 4362 | if (!_base_is_controller_msix_enabled(ioc)) |
4363 | goto skip_init_reply_post_free_queue; | |
5fb1bf8a SR |
4364 | /* |
4365 | * If RDPQ is enabled, switch to the next allocation. | |
4366 | * Otherwise advance within the contiguous region. | |
4367 | */ | |
4368 | if (ioc->rdpq_array_enable) | |
4369 | reply_post_free = (long) | |
4370 | ioc->reply_post[++index].reply_post_free; | |
4371 | else | |
4372 | reply_post_free += reply_post_free_sz; | |
911ae943 | 4373 | } |
4374 | skip_init_reply_post_free_queue: | |
635374e7 | 4375 | |
7b936b02 | 4376 | r = _base_send_ioc_init(ioc, sleep_flag); |
635374e7 EM |
4377 | if (r) |
4378 | return r; | |
4379 | ||
911ae943 | 4380 | /* initialize reply free host index */ |
635374e7 | 4381 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; |
635374e7 | 4382 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); |
911ae943 | 4383 | |
4384 | /* initialize reply post host index */ | |
4385 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
4386 | writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, | |
4387 | &ioc->chip->ReplyPostHostIndex); | |
4388 | if (!_base_is_controller_msix_enabled(ioc)) | |
4389 | goto skip_init_reply_post_host_index; | |
4390 | } | |
4391 | ||
4392 | skip_init_reply_post_host_index: | |
635374e7 EM |
4393 | |
4394 | _base_unmask_interrupts(ioc); | |
921cd802 | 4395 | |
7b936b02 | 4396 | r = _base_event_notification(ioc, sleep_flag); |
635374e7 EM |
4397 | if (r) |
4398 | return r; | |
4399 | ||
4400 | if (sleep_flag == CAN_SLEEP) | |
4401 | _base_static_config_pages(ioc); | |
4402 | ||
921cd802 | 4403 | |
4404 | if (ioc->is_driver_loading) { | |
2cb6fc8c | 4405 | if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier |
4406 | == 0x80) { | |
d838c36c | 4407 | hide_flag = (u8) ( |
4408 | le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & | |
0bdccdb0 KD |
4409 | MFG_PAGE10_HIDE_SSDS_MASK); |
4410 | if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) | |
4411 | ioc->mfg_pg10_hide_flag = hide_flag; | |
4412 | } | |
2cb6fc8c | 4413 | ioc->wait_for_discovery_to_complete = |
4414 | _base_determine_wait_on_discovery(ioc); | |
4415 | return r; /* scan_start and scan_finished support */ | |
0bdccdb0 | 4416 | } |
7b936b02 | 4417 | r = _base_send_port_enable(ioc, sleep_flag); |
635374e7 EM |
4418 | if (r) |
4419 | return r; | |
4420 | ||
4421 | return r; | |
4422 | } | |
4423 | ||
4424 | /** | |
4425 | * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) | |
4426 | * @ioc: per adapter object | |
4427 | * | |
4428 | * Return nothing. | |
4429 | */ | |
4430 | void | |
4431 | mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) | |
4432 | { | |
4433 | struct pci_dev *pdev = ioc->pdev; | |
4434 | ||
eabb08ad | 4435 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4436 | __func__)); |
4437 | ||
3b3e6f8d JL |
4438 | if (ioc->chip_phys && ioc->chip) { |
4439 | _base_mask_interrupts(ioc); | |
4440 | ioc->shost_recovery = 1; | |
4441 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); | |
4442 | ioc->shost_recovery = 0; | |
4443 | } | |
4444 | ||
911ae943 | 4445 | _base_free_irq(ioc); |
635374e7 | 4446 | _base_disable_msix(ioc); |
3b3e6f8d JL |
4447 | |
4448 | if (ioc->chip_phys && ioc->chip) | |
635374e7 | 4449 | iounmap(ioc->chip); |
635374e7 | 4450 | ioc->chip_phys = 0; |
3b3e6f8d JL |
4451 | |
4452 | if (pci_is_enabled(pdev)) { | |
4453 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
4454 | pci_disable_pcie_error_reporting(pdev); | |
4455 | pci_disable_device(pdev); | |
4456 | } | |
635374e7 EM |
4457 | return; |
4458 | } | |
4459 | ||
4460 | /** | |
4461 | * mpt2sas_base_attach - attach controller instance | |
4462 | * @ioc: per adapter object | |
4463 | * | |
4464 | * Returns 0 for success, non-zero for failure. | |
4465 | */ | |
4466 | int | |
4467 | mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) | |
4468 | { | |
4469 | int r, i; | |
911ae943 | 4470 | int cpu_id, last_cpu_id = 0; |
635374e7 | 4471 | |
eabb08ad | 4472 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4473 | __func__)); |
4474 | ||
911ae943 | 4475 | /* setup cpu_msix_table */ |
4476 | ioc->cpu_count = num_online_cpus(); | |
4477 | for_each_online_cpu(cpu_id) | |
4478 | last_cpu_id = cpu_id; | |
4479 | ioc->cpu_msix_table_sz = last_cpu_id + 1; | |
4480 | ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); | |
4481 | ioc->reply_queue_count = 1; | |
4482 | if (!ioc->cpu_msix_table) { | |
4483 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " | |
4484 | "cpu_msix_table failed!!!\n", ioc->name)); | |
4485 | r = -ENOMEM; | |
4486 | goto out_free_resources; | |
4487 | } | |
4488 | ||
4489 | if (ioc->is_warpdrive) { | |
4490 | ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, | |
4491 | sizeof(resource_size_t *), GFP_KERNEL); | |
4492 | if (!ioc->reply_post_host_index) { | |
4493 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " | |
4494 | "for cpu_msix_table failed!!!\n", ioc->name)); | |
4495 | r = -ENOMEM; | |
4496 | goto out_free_resources; | |
4497 | } | |
4498 | } | |
4499 | ||
5fb1bf8a SR |
4500 | ioc->rdpq_array_enable_assigned = 0; |
4501 | ioc->dma_mask = 0; | |
635374e7 EM |
4502 | r = mpt2sas_base_map_resources(ioc); |
4503 | if (r) | |
c24a1710 | 4504 | goto out_free_resources; |
635374e7 | 4505 | |
911ae943 | 4506 | if (ioc->is_warpdrive) { |
42de597e JL |
4507 | ioc->reply_post_host_index[0] = (resource_size_t __iomem *) |
4508 | &ioc->chip->ReplyPostHostIndex; | |
911ae943 | 4509 | |
4510 | for (i = 1; i < ioc->cpu_msix_table_sz; i++) | |
42de597e JL |
4511 | ioc->reply_post_host_index[i] = |
4512 | (resource_size_t __iomem *) | |
4513 | ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) | |
911ae943 | 4514 | * 4))); |
4515 | } | |
4516 | ||
fcfe6392 | 4517 | pci_set_drvdata(ioc->pdev, ioc->shost); |
96b681c6 | 4518 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); |
635374e7 EM |
4519 | if (r) |
4520 | goto out_free_resources; | |
4521 | ||
96b681c6 | 4522 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
635374e7 EM |
4523 | if (r) |
4524 | goto out_free_resources; | |
4525 | ||
595bb0bd | 4526 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, |
e42fafc2 | 4527 | sizeof(struct mpt2sas_port_facts), GFP_KERNEL); |
f6aee7b9 KD |
4528 | if (!ioc->pfacts) { |
4529 | r = -ENOMEM; | |
595bb0bd | 4530 | goto out_free_resources; |
f6aee7b9 | 4531 | } |
595bb0bd KD |
4532 | |
4533 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { | |
4534 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); | |
4535 | if (r) | |
4536 | goto out_free_resources; | |
4537 | } | |
4538 | ||
635374e7 EM |
4539 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); |
4540 | if (r) | |
4541 | goto out_free_resources; | |
4542 | ||
4543 | init_waitqueue_head(&ioc->reset_wq); | |
f3eedd69 KD |
4544 | /* allocate memory pd handle bitmask list */ |
4545 | ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); | |
4546 | if (ioc->facts.MaxDevHandle % 8) | |
4547 | ioc->pd_handles_sz++; | |
4548 | ioc->pd_handles = kzalloc(ioc->pd_handles_sz, | |
4549 | GFP_KERNEL); | |
3e2e833a KD |
4550 | if (!ioc->pd_handles) { |
4551 | r = -ENOMEM; | |
f3eedd69 | 4552 | goto out_free_resources; |
3e2e833a | 4553 | } |
09da0b32 | 4554 | ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, |
4555 | GFP_KERNEL); | |
4556 | if (!ioc->blocking_handles) { | |
4557 | r = -ENOMEM; | |
4558 | goto out_free_resources; | |
4559 | } | |
e75b9b6d KD |
4560 | ioc->fwfault_debug = mpt2sas_fwfault_debug; |
4561 | ||
635374e7 EM |
4562 | /* base internal command bits */ |
4563 | mutex_init(&ioc->base_cmds.mutex); | |
635374e7 EM |
4564 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
4565 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
4566 | ||
921cd802 | 4567 | /* port_enable command bits */ |
4568 | ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4569 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; | |
4570 | ||
635374e7 EM |
4571 | /* transport internal command bits */ |
4572 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4573 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
4574 | mutex_init(&ioc->transport_cmds.mutex); | |
635374e7 | 4575 | |
d685c262 KD |
4576 | /* scsih internal command bits */ |
4577 | ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4578 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
4579 | mutex_init(&ioc->scsih_cmds.mutex); | |
4580 | ||
635374e7 EM |
4581 | /* task management internal command bits */ |
4582 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4583 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
4584 | mutex_init(&ioc->tm_cmds.mutex); | |
635374e7 EM |
4585 | |
4586 | /* config page internal command bits */ | |
4587 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4588 | ioc->config_cmds.status = MPT2_CMD_NOT_USED; | |
4589 | mutex_init(&ioc->config_cmds.mutex); | |
635374e7 EM |
4590 | |
4591 | /* ctl module internal command bits */ | |
4592 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
769578ff | 4593 | ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); |
635374e7 EM |
4594 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
4595 | mutex_init(&ioc->ctl_cmds.mutex); | |
635374e7 | 4596 | |
f6aee7b9 KD |
4597 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
4598 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
769578ff KD |
4599 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || |
4600 | !ioc->ctl_cmds.sense) { | |
f6aee7b9 KD |
4601 | r = -ENOMEM; |
4602 | goto out_free_resources; | |
4603 | } | |
4604 | ||
3e2e833a KD |
4605 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
4606 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
4607 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { | |
4608 | r = -ENOMEM; | |
4609 | goto out_free_resources; | |
4610 | } | |
4611 | ||
635374e7 EM |
4612 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
4613 | ioc->event_masks[i] = -1; | |
4614 | ||
4615 | /* here we enable the events we care about */ | |
4616 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); | |
4617 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); | |
4618 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); | |
4619 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
4620 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); | |
4621 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); | |
4622 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); | |
4623 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); | |
4624 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); | |
635374e7 | 4625 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); |
2d8ce8c9 | 4626 | _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD); |
7b936b02 | 4627 | r = _base_make_ioc_operational(ioc, CAN_SLEEP); |
635374e7 EM |
4628 | if (r) |
4629 | goto out_free_resources; | |
4630 | ||
b4730fb6 | 4631 | ioc->non_operational_loop = 0; |
6cb8ef57 | 4632 | |
635374e7 EM |
4633 | return 0; |
4634 | ||
4635 | out_free_resources: | |
4636 | ||
4637 | ioc->remove_host = 1; | |
4638 | mpt2sas_base_free_resources(ioc); | |
4639 | _base_release_memory_pools(ioc); | |
fcfe6392 | 4640 | pci_set_drvdata(ioc->pdev, NULL); |
911ae943 | 4641 | kfree(ioc->cpu_msix_table); |
4642 | if (ioc->is_warpdrive) | |
4643 | kfree(ioc->reply_post_host_index); | |
f3eedd69 | 4644 | kfree(ioc->pd_handles); |
09da0b32 | 4645 | kfree(ioc->blocking_handles); |
635374e7 EM |
4646 | kfree(ioc->tm_cmds.reply); |
4647 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 4648 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
4649 | kfree(ioc->config_cmds.reply); |
4650 | kfree(ioc->base_cmds.reply); | |
921cd802 | 4651 | kfree(ioc->port_enable_cmds.reply); |
635374e7 | 4652 | kfree(ioc->ctl_cmds.reply); |
769578ff | 4653 | kfree(ioc->ctl_cmds.sense); |
635374e7 EM |
4654 | kfree(ioc->pfacts); |
4655 | ioc->ctl_cmds.reply = NULL; | |
4656 | ioc->base_cmds.reply = NULL; | |
4657 | ioc->tm_cmds.reply = NULL; | |
e94f6747 | 4658 | ioc->scsih_cmds.reply = NULL; |
635374e7 EM |
4659 | ioc->transport_cmds.reply = NULL; |
4660 | ioc->config_cmds.reply = NULL; | |
4661 | ioc->pfacts = NULL; | |
4662 | return r; | |
4663 | } | |
4664 | ||
4665 | ||
4666 | /** | |
4667 | * mpt2sas_base_detach - remove controller instance | |
4668 | * @ioc: per adapter object | |
4669 | * | |
4670 | * Return nothing. | |
4671 | */ | |
4672 | void | |
4673 | mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) | |
4674 | { | |
635374e7 | 4675 | |
eabb08ad | 4676 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4677 | __func__)); |
4678 | ||
e4750c98 | 4679 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
4680 | mpt2sas_base_free_resources(ioc); |
4681 | _base_release_memory_pools(ioc); | |
fcfe6392 | 4682 | pci_set_drvdata(ioc->pdev, NULL); |
911ae943 | 4683 | kfree(ioc->cpu_msix_table); |
4684 | if (ioc->is_warpdrive) | |
4685 | kfree(ioc->reply_post_host_index); | |
f3eedd69 | 4686 | kfree(ioc->pd_handles); |
09da0b32 | 4687 | kfree(ioc->blocking_handles); |
635374e7 EM |
4688 | kfree(ioc->pfacts); |
4689 | kfree(ioc->ctl_cmds.reply); | |
769578ff | 4690 | kfree(ioc->ctl_cmds.sense); |
635374e7 | 4691 | kfree(ioc->base_cmds.reply); |
921cd802 | 4692 | kfree(ioc->port_enable_cmds.reply); |
635374e7 EM |
4693 | kfree(ioc->tm_cmds.reply); |
4694 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 4695 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
4696 | kfree(ioc->config_cmds.reply); |
4697 | } | |
4698 | ||
4699 | /** | |
4700 | * _base_reset_handler - reset callback handler (for base) | |
4701 | * @ioc: per adapter object | |
4702 | * @reset_phase: phase | |
4703 | * | |
4704 | * The handler for doing any required cleanup or initialization. | |
4705 | * | |
4706 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
4707 | * MPT2_IOC_DONE_RESET | |
4708 | * | |
4709 | * Return nothing. | |
4710 | */ | |
4711 | static void | |
4712 | _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
4713 | { | |
4224489f KD |
4714 | mpt2sas_scsih_reset_handler(ioc, reset_phase); |
4715 | mpt2sas_ctl_reset_handler(ioc, reset_phase); | |
635374e7 EM |
4716 | switch (reset_phase) { |
4717 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 4718 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4719 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
4720 | break; | |
4721 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 4722 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4723 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
4724 | if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { | |
4725 | ioc->transport_cmds.status |= MPT2_CMD_RESET; | |
4726 | mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); | |
4727 | complete(&ioc->transport_cmds.done); | |
4728 | } | |
4729 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
4730 | ioc->base_cmds.status |= MPT2_CMD_RESET; | |
4731 | mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); | |
4732 | complete(&ioc->base_cmds.done); | |
4733 | } | |
921cd802 | 4734 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
4735 | ioc->port_enable_failed = 1; | |
4736 | ioc->port_enable_cmds.status |= MPT2_CMD_RESET; | |
4737 | mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); | |
4738 | if (ioc->is_driver_loading) { | |
4739 | ioc->start_scan_failed = | |
4740 | MPI2_IOCSTATUS_INTERNAL_ERROR; | |
4741 | ioc->start_scan = 0; | |
4742 | ioc->port_enable_cmds.status = | |
4743 | MPT2_CMD_NOT_USED; | |
4744 | } else | |
4745 | complete(&ioc->port_enable_cmds.done); | |
4746 | ||
4747 | } | |
635374e7 EM |
4748 | if (ioc->config_cmds.status & MPT2_CMD_PENDING) { |
4749 | ioc->config_cmds.status |= MPT2_CMD_RESET; | |
4750 | mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); | |
4be929be | 4751 | ioc->config_cmds.smid = USHRT_MAX; |
635374e7 EM |
4752 | complete(&ioc->config_cmds.done); |
4753 | } | |
4754 | break; | |
4755 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 4756 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4757 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
4758 | break; | |
4759 | } | |
635374e7 EM |
4760 | } |
4761 | ||
4762 | /** | |
4763 | * _wait_for_commands_to_complete - reset controller | |
4764 | * @ioc: Pointer to MPT_ADAPTER structure | |
4765 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4766 | * | |
4767 | * This function waiting(3s) for all pending commands to complete | |
4768 | * prior to putting controller in reset. | |
4769 | */ | |
4770 | static void | |
4771 | _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
4772 | { | |
4773 | u32 ioc_state; | |
4774 | unsigned long flags; | |
4775 | u16 i; | |
4776 | ||
4777 | ioc->pending_io_count = 0; | |
4778 | if (sleep_flag != CAN_SLEEP) | |
4779 | return; | |
4780 | ||
4781 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
4782 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) | |
4783 | return; | |
4784 | ||
4785 | /* pending command count */ | |
4786 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
595bb0bd | 4787 | for (i = 0; i < ioc->scsiio_depth; i++) |
635374e7 EM |
4788 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) |
4789 | ioc->pending_io_count++; | |
4790 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
4791 | ||
4792 | if (!ioc->pending_io_count) | |
4793 | return; | |
4794 | ||
4795 | /* wait for pending commands to complete */ | |
d274213a | 4796 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); |
635374e7 EM |
4797 | } |
4798 | ||
4799 | /** | |
4800 | * mpt2sas_base_hard_reset_handler - reset controller | |
4801 | * @ioc: Pointer to MPT_ADAPTER structure | |
4802 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4803 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
4804 | * | |
4805 | * Returns 0 for success, non-zero for failure. | |
4806 | */ | |
4807 | int | |
4808 | mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
4809 | enum reset_type type) | |
4810 | { | |
7b936b02 | 4811 | int r; |
635374e7 EM |
4812 | unsigned long flags; |
4813 | ||
eabb08ad | 4814 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
4815 | __func__)); |
4816 | ||
3cb5469a EM |
4817 | if (ioc->pci_error_recovery) { |
4818 | printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", | |
4819 | ioc->name, __func__); | |
4820 | r = 0; | |
7fbd7648 | 4821 | goto out_unlocked; |
3cb5469a EM |
4822 | } |
4823 | ||
fa7f3167 KD |
4824 | if (mpt2sas_fwfault_debug) |
4825 | mpt2sas_halt_firmware(ioc); | |
4826 | ||
d274213a KD |
4827 | /* TODO - What we really should be doing is pulling |
4828 | * out all the code associated with NO_SLEEP; its never used. | |
4829 | * That is legacy code from mpt fusion driver, ported over. | |
4830 | * I will leave this BUG_ON here for now till its been resolved. | |
4831 | */ | |
4832 | BUG_ON(sleep_flag == NO_SLEEP); | |
4833 | ||
4834 | /* wait for an active reset in progress to complete */ | |
4835 | if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { | |
4836 | do { | |
4837 | ssleep(1); | |
4838 | } while (ioc->shost_recovery == 1); | |
eabb08ad | 4839 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a KD |
4840 | __func__)); |
4841 | return ioc->ioc_reset_in_progress_status; | |
635374e7 | 4842 | } |
d274213a KD |
4843 | |
4844 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
635374e7 | 4845 | ioc->shost_recovery = 1; |
635374e7 EM |
4846 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
4847 | ||
4848 | _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); | |
4849 | _wait_for_commands_to_complete(ioc, sleep_flag); | |
4850 | _base_mask_interrupts(ioc); | |
4851 | r = _base_make_ioc_ready(ioc, sleep_flag, type); | |
4852 | if (r) | |
4853 | goto out; | |
4854 | _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); | |
4224489f KD |
4855 | |
4856 | /* If this hard reset is called while port enable is active, then | |
4857 | * there is no reason to call make_ioc_operational | |
4858 | */ | |
921cd802 | 4859 | if (ioc->is_driver_loading && ioc->port_enable_failed) { |
4860 | ioc->remove_host = 1; | |
4224489f KD |
4861 | r = -EFAULT; |
4862 | goto out; | |
4863 | } | |
5fb1bf8a SR |
4864 | |
4865 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); | |
4866 | if (r) | |
4867 | goto out; | |
4868 | ||
4869 | if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable) | |
4870 | panic("%s: Issue occurred with flashing controller firmware." | |
4871 | "Please reboot the system and ensure that the correct" | |
4872 | " firmware version is running\n", ioc->name); | |
4873 | ||
7b936b02 | 4874 | r = _base_make_ioc_operational(ioc, sleep_flag); |
635374e7 EM |
4875 | if (!r) |
4876 | _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); | |
4877 | out: | |
eabb08ad | 4878 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", |
635374e7 EM |
4879 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); |
4880 | ||
4881 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
d274213a | 4882 | ioc->ioc_reset_in_progress_status = r; |
155dd4c7 | 4883 | ioc->shost_recovery = 0; |
635374e7 | 4884 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
d274213a | 4885 | mutex_unlock(&ioc->reset_in_progress_mutex); |
cd4e12e8 | 4886 | |
7fbd7648 | 4887 | out_unlocked: |
eabb08ad | 4888 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a | 4889 | __func__)); |
635374e7 EM |
4890 | return r; |
4891 | } |