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635374e7 EM |
1 | /* |
2 | * This is the Fusion MPT base driver providing common API layer interface | |
3 | * for access to MPT (Message Passing Technology) firmware. | |
4 | * | |
5 | * This code is based on drivers/scsi/mpt2sas/mpt2_base.c | |
31b7f2e2 | 6 | * Copyright (C) 2007-2010 LSI Corporation |
635374e7 EM |
7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version 2 | |
12 | * of the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * NO WARRANTY | |
20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
24 | * solely responsible for determining the appropriateness of using and | |
25 | * distributing the Program and assumes all risks associated with its | |
26 | * exercise of rights under this Agreement, including but not limited to | |
27 | * the risks and costs of program errors, damage to or loss of data, | |
28 | * programs or equipment, and unavailability or interruption of operations. | |
29 | ||
30 | * DISCLAIMER OF LIABILITY | |
31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
38 | ||
39 | * You should have received a copy of the GNU General Public License | |
40 | * along with this program; if not, write to the Free Software | |
41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
42 | * USA. | |
43 | */ | |
44 | ||
635374e7 EM |
45 | #include <linux/kernel.h> |
46 | #include <linux/module.h> | |
47 | #include <linux/errno.h> | |
48 | #include <linux/init.h> | |
49 | #include <linux/slab.h> | |
50 | #include <linux/types.h> | |
51 | #include <linux/pci.h> | |
52 | #include <linux/kdev_t.h> | |
53 | #include <linux/blkdev.h> | |
54 | #include <linux/delay.h> | |
55 | #include <linux/interrupt.h> | |
56 | #include <linux/dma-mapping.h> | |
57 | #include <linux/sort.h> | |
58 | #include <linux/io.h> | |
a8ebd76c | 59 | #include <linux/time.h> |
845a0e40 | 60 | #include <linux/kthread.h> |
ef7c80c1 | 61 | #include <linux/aer.h> |
635374e7 EM |
62 | |
63 | #include "mpt2sas_base.h" | |
64 | ||
65 | static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; | |
66 | ||
67 | #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ | |
635374e7 | 68 | |
aff132d9 | 69 | #define MAX_HBA_QUEUE_DEPTH 30000 |
70 | #define MAX_CHAIN_DEPTH 100000 | |
635374e7 EM |
71 | static int max_queue_depth = -1; |
72 | module_param(max_queue_depth, int, 0); | |
73 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); | |
74 | ||
75 | static int max_sgl_entries = -1; | |
76 | module_param(max_sgl_entries, int, 0); | |
77 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); | |
78 | ||
79 | static int msix_disable = -1; | |
80 | module_param(msix_disable, int, 0); | |
81 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); | |
82 | ||
6cb8ef57 KD |
83 | static int missing_delay[2] = {-1, -1}; |
84 | module_param_array(missing_delay, int, NULL, 0); | |
85 | MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); | |
86 | ||
921cd802 | 87 | static int mpt2sas_fwfault_debug; |
88 | MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " | |
89 | "and halt firmware - (default=0)"); | |
90 | ||
91 | static int disable_discovery = -1; | |
92 | module_param(disable_discovery, int, 0); | |
93 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); | |
94 | ||
95 | ||
32e0eb56 | 96 | /* diag_buffer_enable is bitwise |
1b01fe3a KD |
97 | * bit 0 set = TRACE |
98 | * bit 1 set = SNAPSHOT | |
99 | * bit 2 set = EXTENDED | |
32e0eb56 KD |
100 | * |
101 | * Either bit can be set, or both | |
102 | */ | |
103 | static int diag_buffer_enable; | |
104 | module_param(diag_buffer_enable, int, 0); | |
1b01fe3a KD |
105 | MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers " |
106 | "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); | |
32e0eb56 | 107 | |
fa7f3167 KD |
108 | /** |
109 | * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. | |
110 | * | |
111 | */ | |
112 | static int | |
113 | _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) | |
114 | { | |
115 | int ret = param_set_int(val, kp); | |
116 | struct MPT2SAS_ADAPTER *ioc; | |
117 | ||
118 | if (ret) | |
119 | return ret; | |
120 | ||
e75b9b6d | 121 | printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); |
fa7f3167 KD |
122 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
123 | ioc->fwfault_debug = mpt2sas_fwfault_debug; | |
124 | return 0; | |
125 | } | |
845a0e40 | 126 | |
fa7f3167 KD |
127 | module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, |
128 | param_get_int, &mpt2sas_fwfault_debug, 0644); | |
129 | ||
845a0e40 | 130 | /** |
131 | * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc | |
132 | * @arg: input argument, used to derive ioc | |
133 | * | |
134 | * Return 0 if controller is removed from pci subsystem. | |
135 | * Return -1 for other case. | |
136 | */ | |
137 | static int mpt2sas_remove_dead_ioc_func(void *arg) | |
138 | { | |
139 | struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; | |
140 | struct pci_dev *pdev; | |
141 | ||
142 | if ((ioc == NULL)) | |
143 | return -1; | |
144 | ||
145 | pdev = ioc->pdev; | |
146 | if ((pdev == NULL)) | |
147 | return -1; | |
148 | pci_remove_bus_device(pdev); | |
149 | return 0; | |
150 | } | |
151 | ||
152 | ||
635374e7 EM |
153 | /** |
154 | * _base_fault_reset_work - workq handling ioc fault conditions | |
155 | * @work: input argument, used to derive ioc | |
156 | * Context: sleep. | |
157 | * | |
158 | * Return nothing. | |
159 | */ | |
160 | static void | |
161 | _base_fault_reset_work(struct work_struct *work) | |
162 | { | |
163 | struct MPT2SAS_ADAPTER *ioc = | |
164 | container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); | |
165 | unsigned long flags; | |
166 | u32 doorbell; | |
167 | int rc; | |
845a0e40 | 168 | struct task_struct *p; |
635374e7 EM |
169 | |
170 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
155dd4c7 | 171 | if (ioc->shost_recovery) |
635374e7 EM |
172 | goto rearm_timer; |
173 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
174 | ||
175 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
845a0e40 | 176 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { |
177 | printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", | |
178 | ioc->name, __func__); | |
179 | ||
180 | /* | |
181 | * Call _scsih_flush_pending_cmds callback so that we flush all | |
182 | * pending commands back to OS. This call is required to aovid | |
183 | * deadlock at block layer. Dead IOC will fail to do diag reset, | |
184 | * and this call is safe since dead ioc will never return any | |
185 | * command back from HW. | |
186 | */ | |
187 | ioc->schedule_dead_ioc_flush_running_cmds(ioc); | |
188 | /* | |
189 | * Set remove_host flag early since kernel thread will | |
190 | * take some time to execute. | |
191 | */ | |
192 | ioc->remove_host = 1; | |
193 | /*Remove the Dead Host */ | |
194 | p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, | |
195 | "mpt2sas_dead_ioc_%d", ioc->id); | |
196 | if (IS_ERR(p)) { | |
197 | printk(MPT2SAS_ERR_FMT | |
198 | "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", | |
199 | ioc->name, __func__); | |
200 | } else { | |
201 | printk(MPT2SAS_ERR_FMT | |
202 | "%s: Running mpt2sas_dead_ioc thread success !!!!\n", | |
203 | ioc->name, __func__); | |
204 | } | |
205 | ||
206 | return; /* don't rearm timer */ | |
207 | } | |
208 | ||
635374e7 EM |
209 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
210 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
211 | FORCE_BIG_HAMMER); | |
212 | printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, | |
213 | __func__, (rc == 0) ? "success" : "failed"); | |
214 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); | |
215 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
216 | mpt2sas_base_fault_info(ioc, doorbell & | |
217 | MPI2_DOORBELL_DATA_MASK); | |
218 | } | |
219 | ||
220 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
221 | rearm_timer: | |
222 | if (ioc->fault_reset_work_q) | |
223 | queue_delayed_work(ioc->fault_reset_work_q, | |
224 | &ioc->fault_reset_work, | |
225 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
226 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
227 | } | |
228 | ||
e4750c98 KD |
229 | /** |
230 | * mpt2sas_base_start_watchdog - start the fault_reset_work_q | |
cef7a12c | 231 | * @ioc: per adapter object |
e4750c98 KD |
232 | * Context: sleep. |
233 | * | |
234 | * Return nothing. | |
235 | */ | |
236 | void | |
237 | mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
238 | { | |
239 | unsigned long flags; | |
240 | ||
241 | if (ioc->fault_reset_work_q) | |
242 | return; | |
243 | ||
244 | /* initialize fault polling */ | |
245 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); | |
246 | snprintf(ioc->fault_reset_work_q_name, | |
247 | sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); | |
248 | ioc->fault_reset_work_q = | |
249 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); | |
250 | if (!ioc->fault_reset_work_q) { | |
251 | printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", | |
252 | ioc->name, __func__, __LINE__); | |
253 | return; | |
254 | } | |
255 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
256 | if (ioc->fault_reset_work_q) | |
257 | queue_delayed_work(ioc->fault_reset_work_q, | |
258 | &ioc->fault_reset_work, | |
259 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); | |
260 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
261 | } | |
262 | ||
263 | /** | |
264 | * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q | |
cef7a12c | 265 | * @ioc: per adapter object |
e4750c98 KD |
266 | * Context: sleep. |
267 | * | |
268 | * Return nothing. | |
269 | */ | |
270 | void | |
271 | mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) | |
272 | { | |
273 | unsigned long flags; | |
274 | struct workqueue_struct *wq; | |
275 | ||
276 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
277 | wq = ioc->fault_reset_work_q; | |
278 | ioc->fault_reset_work_q = NULL; | |
279 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
280 | if (wq) { | |
281 | if (!cancel_delayed_work(&ioc->fault_reset_work)) | |
282 | flush_workqueue(wq); | |
283 | destroy_workqueue(wq); | |
284 | } | |
285 | } | |
286 | ||
fa7f3167 KD |
287 | /** |
288 | * mpt2sas_base_fault_info - verbose translation of firmware FAULT code | |
289 | * @ioc: per adapter object | |
290 | * @fault_code: fault code | |
291 | * | |
292 | * Return nothing. | |
293 | */ | |
294 | void | |
295 | mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) | |
296 | { | |
297 | printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", | |
298 | ioc->name, fault_code); | |
299 | } | |
300 | ||
301 | /** | |
302 | * mpt2sas_halt_firmware - halt's mpt controller firmware | |
303 | * @ioc: per adapter object | |
304 | * | |
305 | * For debugging timeout related issues. Writing 0xCOFFEE00 | |
306 | * to the doorbell register will halt controller firmware. With | |
307 | * the purpose to stop both driver and firmware, the enduser can | |
308 | * obtain a ring buffer from controller UART. | |
309 | */ | |
310 | void | |
311 | mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) | |
312 | { | |
313 | u32 doorbell; | |
314 | ||
315 | if (!ioc->fwfault_debug) | |
316 | return; | |
317 | ||
318 | dump_stack(); | |
319 | ||
320 | doorbell = readl(&ioc->chip->Doorbell); | |
321 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) | |
322 | mpt2sas_base_fault_info(ioc , doorbell); | |
323 | else { | |
324 | writel(0xC0FFEE00, &ioc->chip->Doorbell); | |
325 | printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " | |
326 | "timeout\n", ioc->name); | |
327 | } | |
328 | ||
329 | panic("panic in %s\n", __func__); | |
330 | } | |
331 | ||
635374e7 EM |
332 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
333 | /** | |
334 | * _base_sas_ioc_info - verbose translation of the ioc status | |
cef7a12c | 335 | * @ioc: per adapter object |
635374e7 EM |
336 | * @mpi_reply: reply mf payload returned from firmware |
337 | * @request_hdr: request mf | |
338 | * | |
339 | * Return nothing. | |
340 | */ | |
341 | static void | |
342 | _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, | |
343 | MPI2RequestHeader_t *request_hdr) | |
344 | { | |
345 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
346 | MPI2_IOCSTATUS_MASK; | |
347 | char *desc = NULL; | |
348 | u16 frame_sz; | |
349 | char *func_str = NULL; | |
350 | ||
351 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ | |
352 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
353 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
354 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) | |
355 | return; | |
356 | ||
e94f6747 KD |
357 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
358 | return; | |
359 | ||
635374e7 EM |
360 | switch (ioc_status) { |
361 | ||
362 | /**************************************************************************** | |
363 | * Common IOCStatus values for all replies | |
364 | ****************************************************************************/ | |
365 | ||
366 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
367 | desc = "invalid function"; | |
368 | break; | |
369 | case MPI2_IOCSTATUS_BUSY: | |
370 | desc = "busy"; | |
371 | break; | |
372 | case MPI2_IOCSTATUS_INVALID_SGL: | |
373 | desc = "invalid sgl"; | |
374 | break; | |
375 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
376 | desc = "internal error"; | |
377 | break; | |
378 | case MPI2_IOCSTATUS_INVALID_VPID: | |
379 | desc = "invalid vpid"; | |
380 | break; | |
381 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
382 | desc = "insufficient resources"; | |
383 | break; | |
384 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
385 | desc = "invalid field"; | |
386 | break; | |
387 | case MPI2_IOCSTATUS_INVALID_STATE: | |
388 | desc = "invalid state"; | |
389 | break; | |
390 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: | |
391 | desc = "op state not supported"; | |
392 | break; | |
393 | ||
394 | /**************************************************************************** | |
395 | * Config IOCStatus values | |
396 | ****************************************************************************/ | |
397 | ||
398 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: | |
399 | desc = "config invalid action"; | |
400 | break; | |
401 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: | |
402 | desc = "config invalid type"; | |
403 | break; | |
404 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: | |
405 | desc = "config invalid page"; | |
406 | break; | |
407 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: | |
408 | desc = "config invalid data"; | |
409 | break; | |
410 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: | |
411 | desc = "config no defaults"; | |
412 | break; | |
413 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: | |
414 | desc = "config cant commit"; | |
415 | break; | |
416 | ||
417 | /**************************************************************************** | |
418 | * SCSI IO Reply | |
419 | ****************************************************************************/ | |
420 | ||
421 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
422 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
423 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
424 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
425 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
426 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
427 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
428 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
429 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
430 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
431 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
432 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
433 | break; | |
434 | ||
435 | /**************************************************************************** | |
436 | * For use by SCSI Initiator and SCSI Target end-to-end data protection | |
437 | ****************************************************************************/ | |
438 | ||
439 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
440 | desc = "eedp guard error"; | |
441 | break; | |
442 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
443 | desc = "eedp ref tag error"; | |
444 | break; | |
445 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
446 | desc = "eedp app tag error"; | |
447 | break; | |
448 | ||
449 | /**************************************************************************** | |
450 | * SCSI Target values | |
451 | ****************************************************************************/ | |
452 | ||
453 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: | |
454 | desc = "target invalid io index"; | |
455 | break; | |
456 | case MPI2_IOCSTATUS_TARGET_ABORTED: | |
457 | desc = "target aborted"; | |
458 | break; | |
459 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: | |
460 | desc = "target no conn retryable"; | |
461 | break; | |
462 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: | |
463 | desc = "target no connection"; | |
464 | break; | |
465 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: | |
466 | desc = "target xfer count mismatch"; | |
467 | break; | |
468 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: | |
469 | desc = "target data offset error"; | |
470 | break; | |
471 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: | |
472 | desc = "target too much write data"; | |
473 | break; | |
474 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: | |
475 | desc = "target iu too short"; | |
476 | break; | |
477 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: | |
478 | desc = "target ack nak timeout"; | |
479 | break; | |
480 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: | |
481 | desc = "target nak received"; | |
482 | break; | |
483 | ||
484 | /**************************************************************************** | |
485 | * Serial Attached SCSI values | |
486 | ****************************************************************************/ | |
487 | ||
488 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: | |
489 | desc = "smp request failed"; | |
490 | break; | |
491 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: | |
492 | desc = "smp data overrun"; | |
493 | break; | |
494 | ||
495 | /**************************************************************************** | |
496 | * Diagnostic Buffer Post / Diagnostic Release values | |
497 | ****************************************************************************/ | |
498 | ||
499 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: | |
500 | desc = "diagnostic released"; | |
501 | break; | |
502 | default: | |
503 | break; | |
504 | } | |
505 | ||
506 | if (!desc) | |
507 | return; | |
508 | ||
509 | switch (request_hdr->Function) { | |
510 | case MPI2_FUNCTION_CONFIG: | |
511 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; | |
512 | func_str = "config_page"; | |
513 | break; | |
514 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
515 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); | |
516 | func_str = "task_mgmt"; | |
517 | break; | |
518 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
519 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); | |
520 | func_str = "sas_iounit_ctl"; | |
521 | break; | |
522 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
523 | frame_sz = sizeof(Mpi2SepRequest_t); | |
524 | func_str = "enclosure"; | |
525 | break; | |
526 | case MPI2_FUNCTION_IOC_INIT: | |
527 | frame_sz = sizeof(Mpi2IOCInitRequest_t); | |
528 | func_str = "ioc_init"; | |
529 | break; | |
530 | case MPI2_FUNCTION_PORT_ENABLE: | |
531 | frame_sz = sizeof(Mpi2PortEnableRequest_t); | |
532 | func_str = "port_enable"; | |
533 | break; | |
534 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
535 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; | |
536 | func_str = "smp_passthru"; | |
537 | break; | |
538 | default: | |
539 | frame_sz = 32; | |
540 | func_str = "unknown"; | |
541 | break; | |
542 | } | |
543 | ||
544 | printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," | |
545 | " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); | |
546 | ||
547 | _debug_dump_mf(request_hdr, frame_sz/4); | |
548 | } | |
549 | ||
550 | /** | |
551 | * _base_display_event_data - verbose translation of firmware asyn events | |
cef7a12c | 552 | * @ioc: per adapter object |
635374e7 EM |
553 | * @mpi_reply: reply mf payload returned from firmware |
554 | * | |
555 | * Return nothing. | |
556 | */ | |
557 | static void | |
558 | _base_display_event_data(struct MPT2SAS_ADAPTER *ioc, | |
559 | Mpi2EventNotificationReply_t *mpi_reply) | |
560 | { | |
561 | char *desc = NULL; | |
562 | u16 event; | |
563 | ||
564 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) | |
565 | return; | |
566 | ||
567 | event = le16_to_cpu(mpi_reply->Event); | |
568 | ||
569 | switch (event) { | |
570 | case MPI2_EVENT_LOG_DATA: | |
571 | desc = "Log Data"; | |
572 | break; | |
573 | case MPI2_EVENT_STATE_CHANGE: | |
574 | desc = "Status Change"; | |
575 | break; | |
576 | case MPI2_EVENT_HARD_RESET_RECEIVED: | |
577 | desc = "Hard Reset Received"; | |
578 | break; | |
579 | case MPI2_EVENT_EVENT_CHANGE: | |
580 | desc = "Event Change"; | |
581 | break; | |
635374e7 EM |
582 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
583 | desc = "Device Status Change"; | |
584 | break; | |
585 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
0bdccdb0 KD |
586 | if (!ioc->hide_ir_msg) |
587 | desc = "IR Operation Status"; | |
635374e7 EM |
588 | break; |
589 | case MPI2_EVENT_SAS_DISCOVERY: | |
e94f6747 KD |
590 | { |
591 | Mpi2EventDataSasDiscovery_t *event_data = | |
592 | (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; | |
593 | printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, | |
594 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
595 | "start" : "stop"); | |
596 | if (event_data->DiscoveryStatus) | |
597 | printk("discovery_status(0x%08x)", | |
598 | le32_to_cpu(event_data->DiscoveryStatus)); | |
7968f194 | 599 | printk("\n"); |
e94f6747 KD |
600 | return; |
601 | } | |
635374e7 EM |
602 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
603 | desc = "SAS Broadcast Primitive"; | |
604 | break; | |
605 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: | |
606 | desc = "SAS Init Device Status Change"; | |
607 | break; | |
608 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: | |
609 | desc = "SAS Init Table Overflow"; | |
610 | break; | |
611 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
612 | desc = "SAS Topology Change List"; | |
613 | break; | |
614 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
615 | desc = "SAS Enclosure Device Status Change"; | |
616 | break; | |
617 | case MPI2_EVENT_IR_VOLUME: | |
0bdccdb0 KD |
618 | if (!ioc->hide_ir_msg) |
619 | desc = "IR Volume"; | |
635374e7 EM |
620 | break; |
621 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
0bdccdb0 KD |
622 | if (!ioc->hide_ir_msg) |
623 | desc = "IR Physical Disk"; | |
635374e7 EM |
624 | break; |
625 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
0bdccdb0 KD |
626 | if (!ioc->hide_ir_msg) |
627 | desc = "IR Configuration Change List"; | |
635374e7 EM |
628 | break; |
629 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
0bdccdb0 KD |
630 | if (!ioc->hide_ir_msg) |
631 | desc = "Log Entry Added"; | |
635374e7 EM |
632 | break; |
633 | } | |
634 | ||
635 | if (!desc) | |
636 | return; | |
637 | ||
638 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); | |
639 | } | |
640 | #endif | |
641 | ||
642 | /** | |
643 | * _base_sas_log_info - verbose translation of firmware log info | |
cef7a12c | 644 | * @ioc: per adapter object |
635374e7 EM |
645 | * @log_info: log info |
646 | * | |
647 | * Return nothing. | |
648 | */ | |
649 | static void | |
650 | _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) | |
651 | { | |
652 | union loginfo_type { | |
653 | u32 loginfo; | |
654 | struct { | |
655 | u32 subcode:16; | |
656 | u32 code:8; | |
657 | u32 originator:4; | |
658 | u32 bus_type:4; | |
659 | } dw; | |
660 | }; | |
661 | union loginfo_type sas_loginfo; | |
662 | char *originator_str = NULL; | |
663 | ||
664 | sas_loginfo.loginfo = log_info; | |
665 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) | |
666 | return; | |
667 | ||
be9e8cd7 KD |
668 | /* each nexus loss loginfo */ |
669 | if (log_info == 0x31170000) | |
670 | return; | |
671 | ||
635374e7 EM |
672 | /* eat the loginfos associated with task aborts */ |
673 | if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == | |
674 | 0x31140000 || log_info == 0x31130000)) | |
675 | return; | |
676 | ||
677 | switch (sas_loginfo.dw.originator) { | |
678 | case 0: | |
679 | originator_str = "IOP"; | |
680 | break; | |
681 | case 1: | |
682 | originator_str = "PL"; | |
683 | break; | |
684 | case 2: | |
0bdccdb0 KD |
685 | if (!ioc->hide_ir_msg) |
686 | originator_str = "IR"; | |
687 | else | |
688 | originator_str = "WarpDrive"; | |
635374e7 EM |
689 | break; |
690 | } | |
691 | ||
692 | printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " | |
693 | "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, | |
694 | originator_str, sas_loginfo.dw.code, | |
695 | sas_loginfo.dw.subcode); | |
696 | } | |
697 | ||
635374e7 EM |
698 | /** |
699 | * _base_display_reply_info - | |
cef7a12c | 700 | * @ioc: per adapter object |
635374e7 | 701 | * @smid: system request message index |
7b936b02 | 702 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
703 | * @reply: reply message frame(lower 32bit addr) |
704 | * | |
705 | * Return nothing. | |
706 | */ | |
707 | static void | |
7b936b02 | 708 | _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
635374e7 EM |
709 | u32 reply) |
710 | { | |
711 | MPI2DefaultReply_t *mpi_reply; | |
712 | u16 ioc_status; | |
713 | ||
714 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
715 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
716 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
717 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && | |
718 | (ioc->logging_level & MPT_DEBUG_REPLY)) { | |
719 | _base_sas_ioc_info(ioc , mpi_reply, | |
720 | mpt2sas_base_get_msg_frame(ioc, smid)); | |
721 | } | |
722 | #endif | |
723 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
724 | _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
725 | } | |
726 | ||
727 | /** | |
728 | * mpt2sas_base_done - base internal command completion routine | |
cef7a12c | 729 | * @ioc: per adapter object |
635374e7 | 730 | * @smid: system request message index |
7b936b02 | 731 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
732 | * @reply: reply message frame(lower 32bit addr) |
733 | * | |
77e63ed4 KD |
734 | * Return 1 meaning mf should be freed from _base_interrupt |
735 | * 0 means the mf is freed from this function. | |
635374e7 | 736 | */ |
77e63ed4 | 737 | u8 |
7b936b02 KD |
738 | mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
739 | u32 reply) | |
635374e7 EM |
740 | { |
741 | MPI2DefaultReply_t *mpi_reply; | |
742 | ||
743 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
744 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
77e63ed4 | 745 | return 1; |
635374e7 EM |
746 | |
747 | if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 748 | return 1; |
635374e7 EM |
749 | |
750 | ioc->base_cmds.status |= MPT2_CMD_COMPLETE; | |
751 | if (mpi_reply) { | |
752 | ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; | |
753 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
754 | } | |
755 | ioc->base_cmds.status &= ~MPT2_CMD_PENDING; | |
921cd802 | 756 | |
635374e7 | 757 | complete(&ioc->base_cmds.done); |
77e63ed4 | 758 | return 1; |
635374e7 EM |
759 | } |
760 | ||
761 | /** | |
762 | * _base_async_event - main callback handler for firmware asyn events | |
cef7a12c | 763 | * @ioc: per adapter object |
7b936b02 | 764 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
765 | * @reply: reply message frame(lower 32bit addr) |
766 | * | |
77e63ed4 KD |
767 | * Return 1 meaning mf should be freed from _base_interrupt |
768 | * 0 means the mf is freed from this function. | |
635374e7 | 769 | */ |
77e63ed4 | 770 | static u8 |
7b936b02 | 771 | _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) |
635374e7 EM |
772 | { |
773 | Mpi2EventNotificationReply_t *mpi_reply; | |
774 | Mpi2EventAckRequest_t *ack_request; | |
775 | u16 smid; | |
776 | ||
777 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
778 | if (!mpi_reply) | |
77e63ed4 | 779 | return 1; |
635374e7 | 780 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) |
77e63ed4 | 781 | return 1; |
635374e7 EM |
782 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
783 | _base_display_event_data(ioc, mpi_reply); | |
784 | #endif | |
785 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) | |
786 | goto out; | |
787 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
788 | if (!smid) { | |
789 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
790 | ioc->name, __func__); | |
791 | goto out; | |
792 | } | |
793 | ||
794 | ack_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
795 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
796 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
797 | ack_request->Event = mpi_reply->Event; | |
798 | ack_request->EventContext = mpi_reply->EventContext; | |
7b936b02 KD |
799 | ack_request->VF_ID = 0; /* TODO */ |
800 | ack_request->VP_ID = 0; | |
801 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
802 | |
803 | out: | |
804 | ||
805 | /* scsih callback handler */ | |
7b936b02 | 806 | mpt2sas_scsih_event_callback(ioc, msix_index, reply); |
635374e7 EM |
807 | |
808 | /* ctl callback handler */ | |
7b936b02 | 809 | mpt2sas_ctl_event_callback(ioc, msix_index, reply); |
77e63ed4 KD |
810 | |
811 | return 1; | |
635374e7 EM |
812 | } |
813 | ||
595bb0bd KD |
814 | /** |
815 | * _base_get_cb_idx - obtain the callback index | |
816 | * @ioc: per adapter object | |
817 | * @smid: system request message index | |
818 | * | |
819 | * Return callback index. | |
820 | */ | |
821 | static u8 | |
822 | _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
823 | { | |
824 | int i; | |
d5bd3491 KD |
825 | u8 cb_idx; |
826 | ||
827 | if (smid < ioc->hi_priority_smid) { | |
595bb0bd KD |
828 | i = smid - 1; |
829 | cb_idx = ioc->scsi_lookup[i].cb_idx; | |
d5bd3491 KD |
830 | } else if (smid < ioc->internal_smid) { |
831 | i = smid - ioc->hi_priority_smid; | |
832 | cb_idx = ioc->hpr_lookup[i].cb_idx; | |
833 | } else if (smid <= ioc->hba_queue_depth) { | |
834 | i = smid - ioc->internal_smid; | |
835 | cb_idx = ioc->internal_lookup[i].cb_idx; | |
836 | } else | |
837 | cb_idx = 0xFF; | |
595bb0bd KD |
838 | return cb_idx; |
839 | } | |
840 | ||
635374e7 EM |
841 | /** |
842 | * _base_mask_interrupts - disable interrupts | |
cef7a12c | 843 | * @ioc: per adapter object |
635374e7 EM |
844 | * |
845 | * Disabling ResetIRQ, Reply and Doorbell Interrupts | |
846 | * | |
847 | * Return nothing. | |
848 | */ | |
849 | static void | |
850 | _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
851 | { | |
852 | u32 him_register; | |
853 | ||
854 | ioc->mask_interrupts = 1; | |
855 | him_register = readl(&ioc->chip->HostInterruptMask); | |
856 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; | |
857 | writel(him_register, &ioc->chip->HostInterruptMask); | |
858 | readl(&ioc->chip->HostInterruptMask); | |
859 | } | |
860 | ||
861 | /** | |
862 | * _base_unmask_interrupts - enable interrupts | |
cef7a12c | 863 | * @ioc: per adapter object |
635374e7 EM |
864 | * |
865 | * Enabling only Reply Interrupts | |
866 | * | |
867 | * Return nothing. | |
868 | */ | |
869 | static void | |
870 | _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) | |
871 | { | |
872 | u32 him_register; | |
873 | ||
635374e7 EM |
874 | him_register = readl(&ioc->chip->HostInterruptMask); |
875 | him_register &= ~MPI2_HIM_RIM; | |
876 | writel(him_register, &ioc->chip->HostInterruptMask); | |
877 | ioc->mask_interrupts = 0; | |
878 | } | |
879 | ||
5b768581 KD |
880 | union reply_descriptor { |
881 | u64 word; | |
882 | struct { | |
883 | u32 low; | |
884 | u32 high; | |
885 | } u; | |
886 | }; | |
887 | ||
635374e7 EM |
888 | /** |
889 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. | |
890 | * @irq: irq number (not used) | |
891 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure | |
892 | * @r: pt_regs pointer (not used) | |
893 | * | |
894 | * Return IRQ_HANDLE if processed, else IRQ_NONE. | |
895 | */ | |
896 | static irqreturn_t | |
897 | _base_interrupt(int irq, void *bus_id) | |
898 | { | |
911ae943 | 899 | struct adapter_reply_queue *reply_q = bus_id; |
03ea1115 | 900 | union reply_descriptor rd; |
5b768581 | 901 | u32 completed_cmds; |
635374e7 EM |
902 | u8 request_desript_type; |
903 | u16 smid; | |
904 | u8 cb_idx; | |
905 | u32 reply; | |
911ae943 | 906 | u8 msix_index = reply_q->msix_index; |
907 | struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; | |
5b768581 | 908 | Mpi2ReplyDescriptorsUnion_t *rpf; |
77e63ed4 | 909 | u8 rc; |
635374e7 EM |
910 | |
911 | if (ioc->mask_interrupts) | |
912 | return IRQ_NONE; | |
913 | ||
911ae943 | 914 | if (!atomic_add_unless(&reply_q->busy, 1, 1)) |
915 | return IRQ_NONE; | |
916 | ||
917 | rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; | |
5b768581 KD |
918 | request_desript_type = rpf->Default.ReplyFlags |
919 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
911ae943 | 920 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { |
921 | atomic_dec(&reply_q->busy); | |
635374e7 | 922 | return IRQ_NONE; |
911ae943 | 923 | } |
635374e7 EM |
924 | |
925 | completed_cmds = 0; | |
dd3741d3 | 926 | cb_idx = 0xFF; |
635374e7 | 927 | do { |
c97951ec | 928 | rd.word = le64_to_cpu(rpf->Words); |
03ea1115 | 929 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) |
635374e7 EM |
930 | goto out; |
931 | reply = 0; | |
5b768581 | 932 | smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); |
635374e7 EM |
933 | if (request_desript_type == |
934 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { | |
5b768581 KD |
935 | reply = le32_to_cpu |
936 | (rpf->AddressReply.ReplyFrameAddress); | |
dd3741d3 KD |
937 | if (reply > ioc->reply_dma_max_address || |
938 | reply < ioc->reply_dma_min_address) | |
939 | reply = 0; | |
635374e7 EM |
940 | } else if (request_desript_type == |
941 | MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) | |
942 | goto next; | |
943 | else if (request_desript_type == | |
944 | MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) | |
945 | goto next; | |
946 | if (smid) | |
595bb0bd | 947 | cb_idx = _base_get_cb_idx(ioc, smid); |
635374e7 | 948 | if (smid && cb_idx != 0xFF) { |
77e63ed4 | 949 | rc = mpt_callbacks[cb_idx](ioc, smid, msix_index, |
595bb0bd | 950 | reply); |
635374e7 | 951 | if (reply) |
7b936b02 | 952 | _base_display_reply_info(ioc, smid, msix_index, |
635374e7 | 953 | reply); |
77e63ed4 KD |
954 | if (rc) |
955 | mpt2sas_base_free_smid(ioc, smid); | |
635374e7 EM |
956 | } |
957 | if (!smid) | |
7b936b02 | 958 | _base_async_event(ioc, msix_index, reply); |
635374e7 EM |
959 | |
960 | /* reply free queue handling */ | |
961 | if (reply) { | |
962 | ioc->reply_free_host_index = | |
963 | (ioc->reply_free_host_index == | |
964 | (ioc->reply_free_queue_depth - 1)) ? | |
965 | 0 : ioc->reply_free_host_index + 1; | |
966 | ioc->reply_free[ioc->reply_free_host_index] = | |
967 | cpu_to_le32(reply); | |
5b768581 | 968 | wmb(); |
635374e7 EM |
969 | writel(ioc->reply_free_host_index, |
970 | &ioc->chip->ReplyFreeHostIndex); | |
635374e7 EM |
971 | } |
972 | ||
973 | next: | |
5b768581 | 974 | |
c97951ec | 975 | rpf->Words = cpu_to_le64(ULLONG_MAX); |
911ae943 | 976 | reply_q->reply_post_host_index = |
977 | (reply_q->reply_post_host_index == | |
5b768581 | 978 | (ioc->reply_post_queue_depth - 1)) ? 0 : |
911ae943 | 979 | reply_q->reply_post_host_index + 1; |
635374e7 | 980 | request_desript_type = |
911ae943 | 981 | reply_q->reply_post_free[reply_q->reply_post_host_index]. |
982 | Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
635374e7 EM |
983 | completed_cmds++; |
984 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
985 | goto out; | |
911ae943 | 986 | if (!reply_q->reply_post_host_index) |
987 | rpf = reply_q->reply_post_free; | |
5b768581 KD |
988 | else |
989 | rpf++; | |
635374e7 EM |
990 | } while (1); |
991 | ||
992 | out: | |
993 | ||
911ae943 | 994 | if (!completed_cmds) { |
995 | atomic_dec(&reply_q->busy); | |
635374e7 | 996 | return IRQ_NONE; |
911ae943 | 997 | } |
635374e7 | 998 | wmb(); |
911ae943 | 999 | if (ioc->is_warpdrive) { |
1000 | writel(reply_q->reply_post_host_index, | |
1001 | ioc->reply_post_host_index[msix_index]); | |
1002 | atomic_dec(&reply_q->busy); | |
1003 | return IRQ_HANDLED; | |
1004 | } | |
1005 | writel(reply_q->reply_post_host_index | (msix_index << | |
1006 | MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); | |
1007 | atomic_dec(&reply_q->busy); | |
635374e7 EM |
1008 | return IRQ_HANDLED; |
1009 | } | |
1010 | ||
911ae943 | 1011 | /** |
1012 | * _base_is_controller_msix_enabled - is controller support muli-reply queues | |
1013 | * @ioc: per adapter object | |
1014 | * | |
1015 | */ | |
1016 | static inline int | |
1017 | _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) | |
1018 | { | |
1019 | return (ioc->facts.IOCCapabilities & | |
1020 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; | |
1021 | } | |
1022 | ||
1023 | /** | |
1024 | * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues | |
1025 | * @ioc: per adapter object | |
1026 | * Context: ISR conext | |
1027 | * | |
1028 | * Called when a Task Management request has completed. We want | |
1029 | * to flush the other reply queues so all the outstanding IO has been | |
1030 | * completed back to OS before we process the TM completetion. | |
1031 | * | |
1032 | * Return nothing. | |
1033 | */ | |
1034 | void | |
1035 | mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) | |
1036 | { | |
1037 | struct adapter_reply_queue *reply_q; | |
1038 | ||
1039 | /* If MSIX capability is turned off | |
1040 | * then multi-queues are not enabled | |
1041 | */ | |
1042 | if (!_base_is_controller_msix_enabled(ioc)) | |
1043 | return; | |
1044 | ||
1045 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
1046 | if (ioc->shost_recovery) | |
1047 | return; | |
1048 | /* TMs are on msix_index == 0 */ | |
1049 | if (reply_q->msix_index == 0) | |
1050 | continue; | |
1051 | _base_interrupt(reply_q->vector, (void *)reply_q); | |
1052 | } | |
1053 | } | |
1054 | ||
635374e7 | 1055 | /** |
25985edc | 1056 | * mpt2sas_base_release_callback_handler - clear interrupt callback handler |
635374e7 EM |
1057 | * @cb_idx: callback index |
1058 | * | |
1059 | * Return nothing. | |
1060 | */ | |
1061 | void | |
1062 | mpt2sas_base_release_callback_handler(u8 cb_idx) | |
1063 | { | |
1064 | mpt_callbacks[cb_idx] = NULL; | |
1065 | } | |
1066 | ||
1067 | /** | |
1068 | * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler | |
1069 | * @cb_func: callback function | |
1070 | * | |
1071 | * Returns cb_func. | |
1072 | */ | |
1073 | u8 | |
1074 | mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) | |
1075 | { | |
1076 | u8 cb_idx; | |
1077 | ||
1078 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) | |
1079 | if (mpt_callbacks[cb_idx] == NULL) | |
1080 | break; | |
1081 | ||
1082 | mpt_callbacks[cb_idx] = cb_func; | |
1083 | return cb_idx; | |
1084 | } | |
1085 | ||
1086 | /** | |
1087 | * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler | |
1088 | * | |
1089 | * Return nothing. | |
1090 | */ | |
1091 | void | |
1092 | mpt2sas_base_initialize_callback_handler(void) | |
1093 | { | |
1094 | u8 cb_idx; | |
1095 | ||
1096 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) | |
1097 | mpt2sas_base_release_callback_handler(cb_idx); | |
1098 | } | |
1099 | ||
1100 | /** | |
1101 | * mpt2sas_base_build_zero_len_sge - build zero length sg entry | |
1102 | * @ioc: per adapter object | |
1103 | * @paddr: virtual address for SGE | |
1104 | * | |
1105 | * Create a zero length scatter gather entry to insure the IOCs hardware has | |
1106 | * something to use if the target device goes brain dead and tries | |
1107 | * to send data even when none is asked for. | |
1108 | * | |
1109 | * Return nothing. | |
1110 | */ | |
1111 | void | |
1112 | mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) | |
1113 | { | |
1114 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1115 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | | |
1116 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << | |
1117 | MPI2_SGE_FLAGS_SHIFT); | |
1118 | ioc->base_add_sg_single(paddr, flags_length, -1); | |
1119 | } | |
1120 | ||
1121 | /** | |
1122 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. | |
1123 | * @paddr: virtual address for SGE | |
1124 | * @flags_length: SGE flags and data transfer length | |
1125 | * @dma_addr: Physical address | |
1126 | * | |
1127 | * Return nothing. | |
1128 | */ | |
1129 | static void | |
1130 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1131 | { | |
1132 | Mpi2SGESimple32_t *sgel = paddr; | |
1133 | ||
1134 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | | |
1135 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1136 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1137 | sgel->Address = cpu_to_le32(dma_addr); | |
1138 | } | |
1139 | ||
1140 | ||
1141 | /** | |
1142 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. | |
1143 | * @paddr: virtual address for SGE | |
1144 | * @flags_length: SGE flags and data transfer length | |
1145 | * @dma_addr: Physical address | |
1146 | * | |
1147 | * Return nothing. | |
1148 | */ | |
1149 | static void | |
1150 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) | |
1151 | { | |
1152 | Mpi2SGESimple64_t *sgel = paddr; | |
1153 | ||
1154 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | | |
1155 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; | |
1156 | sgel->FlagsLength = cpu_to_le32(flags_length); | |
1157 | sgel->Address = cpu_to_le64(dma_addr); | |
1158 | } | |
1159 | ||
1160 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) | |
1161 | ||
1162 | /** | |
1163 | * _base_config_dma_addressing - set dma addressing | |
1164 | * @ioc: per adapter object | |
1165 | * @pdev: PCI device struct | |
1166 | * | |
1167 | * Returns 0 for success, non-zero for failure. | |
1168 | */ | |
1169 | static int | |
1170 | _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) | |
1171 | { | |
1172 | struct sysinfo s; | |
1173 | char *desc = NULL; | |
1174 | ||
1175 | if (sizeof(dma_addr_t) > 4) { | |
1176 | const uint64_t required_mask = | |
1177 | dma_get_required_mask(&pdev->dev); | |
e930438c YH |
1178 | if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev, |
1179 | DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev, | |
1180 | DMA_BIT_MASK(64))) { | |
635374e7 EM |
1181 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
1182 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); | |
1183 | desc = "64"; | |
1184 | goto out; | |
1185 | } | |
1186 | } | |
1187 | ||
e930438c YH |
1188 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) |
1189 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
635374e7 EM |
1190 | ioc->base_add_sg_single = &_base_add_sg_single_32; |
1191 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); | |
1192 | desc = "32"; | |
1193 | } else | |
1194 | return -ENODEV; | |
1195 | ||
1196 | out: | |
1197 | si_meminfo(&s); | |
1198 | printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, " | |
1199 | "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram)); | |
1200 | ||
1201 | return 0; | |
1202 | } | |
1203 | ||
1204 | /** | |
911ae943 | 1205 | * _base_check_enable_msix - checks MSIX capabable. |
635374e7 EM |
1206 | * @ioc: per adapter object |
1207 | * | |
911ae943 | 1208 | * Check to see if card is capable of MSIX, and set number |
1209 | * of available msix vectors | |
635374e7 | 1210 | */ |
911ae943 | 1211 | static int |
1212 | _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
635374e7 | 1213 | { |
911ae943 | 1214 | int base; |
1215 | u16 message_control; | |
635374e7 | 1216 | |
635374e7 | 1217 | |
911ae943 | 1218 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); |
1219 | if (!base) { | |
1220 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " | |
1221 | "supported\n", ioc->name)); | |
1222 | return -EINVAL; | |
1223 | } | |
1224 | ||
1225 | /* get msix vector count */ | |
1226 | /* NUMA_IO not supported for older controllers */ | |
1227 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || | |
1228 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || | |
1229 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || | |
1230 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || | |
1231 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || | |
1232 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || | |
1233 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) | |
1234 | ioc->msix_vector_count = 1; | |
1235 | else { | |
1236 | pci_read_config_word(ioc->pdev, base + 2, &message_control); | |
1237 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; | |
1238 | } | |
1239 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " | |
1240 | "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); | |
1241 | ||
1242 | return 0; | |
635374e7 EM |
1243 | } |
1244 | ||
1245 | /** | |
911ae943 | 1246 | * _base_free_irq - free irq |
635374e7 EM |
1247 | * @ioc: per adapter object |
1248 | * | |
911ae943 | 1249 | * Freeing respective reply_queue from the list. |
635374e7 EM |
1250 | */ |
1251 | static void | |
911ae943 | 1252 | _base_free_irq(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 1253 | { |
911ae943 | 1254 | struct adapter_reply_queue *reply_q, *next; |
635374e7 | 1255 | |
911ae943 | 1256 | if (list_empty(&ioc->reply_queue_list)) |
635374e7 EM |
1257 | return; |
1258 | ||
911ae943 | 1259 | list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { |
1260 | list_del(&reply_q->list); | |
1261 | synchronize_irq(reply_q->vector); | |
1262 | free_irq(reply_q->vector, reply_q); | |
1263 | kfree(reply_q); | |
1264 | } | |
635374e7 EM |
1265 | } |
1266 | ||
1267 | /** | |
911ae943 | 1268 | * _base_request_irq - request irq |
635374e7 | 1269 | * @ioc: per adapter object |
911ae943 | 1270 | * @index: msix index into vector table |
1271 | * @vector: irq vector | |
635374e7 | 1272 | * |
911ae943 | 1273 | * Inserting respective reply_queue into the list. |
635374e7 EM |
1274 | */ |
1275 | static int | |
911ae943 | 1276 | _base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) |
635374e7 | 1277 | { |
911ae943 | 1278 | struct adapter_reply_queue *reply_q; |
1279 | int r; | |
635374e7 | 1280 | |
911ae943 | 1281 | reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); |
1282 | if (!reply_q) { | |
1283 | printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", | |
1284 | ioc->name, (int)sizeof(struct adapter_reply_queue)); | |
1285 | return -ENOMEM; | |
1286 | } | |
1287 | reply_q->ioc = ioc; | |
1288 | reply_q->msix_index = index; | |
1289 | reply_q->vector = vector; | |
1290 | atomic_set(&reply_q->busy, 0); | |
1291 | if (ioc->msix_enable) | |
1292 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", | |
1293 | MPT2SAS_DRIVER_NAME, ioc->id, index); | |
1294 | else | |
1295 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", | |
1296 | MPT2SAS_DRIVER_NAME, ioc->id); | |
1297 | r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, | |
1298 | reply_q); | |
1299 | if (r) { | |
1300 | printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", | |
1301 | reply_q->name, vector); | |
1302 | kfree(reply_q); | |
1303 | return -EBUSY; | |
635374e7 EM |
1304 | } |
1305 | ||
911ae943 | 1306 | INIT_LIST_HEAD(&reply_q->list); |
1307 | list_add_tail(&reply_q->list, &ioc->reply_queue_list); | |
1308 | return 0; | |
1309 | } | |
635374e7 | 1310 | |
911ae943 | 1311 | /** |
1312 | * _base_assign_reply_queues - assigning msix index for each cpu | |
1313 | * @ioc: per adapter object | |
1314 | * | |
1315 | * The enduser would need to set the affinity via /proc/irq/#/smp_affinity | |
1316 | * | |
1317 | * It would nice if we could call irq_set_affinity, however it is not | |
1318 | * an exported symbol | |
1319 | */ | |
1320 | static void | |
1321 | _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) | |
1322 | { | |
1323 | struct adapter_reply_queue *reply_q; | |
1324 | int cpu_id; | |
1325 | int cpu_grouping, loop, grouping, grouping_mod; | |
635374e7 | 1326 | |
911ae943 | 1327 | if (!_base_is_controller_msix_enabled(ioc)) |
1328 | return; | |
1329 | ||
1330 | memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); | |
1331 | /* when there are more cpus than available msix vectors, | |
1332 | * then group cpus togeather on same irq | |
1333 | */ | |
1334 | if (ioc->cpu_count > ioc->msix_vector_count) { | |
1335 | grouping = ioc->cpu_count / ioc->msix_vector_count; | |
1336 | grouping_mod = ioc->cpu_count % ioc->msix_vector_count; | |
1337 | if (grouping < 2 || (grouping == 2 && !grouping_mod)) | |
1338 | cpu_grouping = 2; | |
1339 | else if (grouping < 4 || (grouping == 4 && !grouping_mod)) | |
1340 | cpu_grouping = 4; | |
1341 | else if (grouping < 8 || (grouping == 8 && !grouping_mod)) | |
1342 | cpu_grouping = 8; | |
1343 | else | |
1344 | cpu_grouping = 16; | |
1345 | } else | |
1346 | cpu_grouping = 0; | |
1347 | ||
1348 | loop = 0; | |
1349 | reply_q = list_entry(ioc->reply_queue_list.next, | |
1350 | struct adapter_reply_queue, list); | |
1351 | for_each_online_cpu(cpu_id) { | |
1352 | if (!cpu_grouping) { | |
1353 | ioc->cpu_msix_table[cpu_id] = reply_q->msix_index; | |
1354 | reply_q = list_entry(reply_q->list.next, | |
1355 | struct adapter_reply_queue, list); | |
1356 | } else { | |
1357 | if (loop < cpu_grouping) { | |
1358 | ioc->cpu_msix_table[cpu_id] = | |
1359 | reply_q->msix_index; | |
1360 | loop++; | |
1361 | } else { | |
1362 | reply_q = list_entry(reply_q->list.next, | |
1363 | struct adapter_reply_queue, list); | |
1364 | ioc->cpu_msix_table[cpu_id] = | |
1365 | reply_q->msix_index; | |
1366 | loop = 1; | |
1367 | } | |
1368 | } | |
1369 | } | |
635374e7 EM |
1370 | } |
1371 | ||
1372 | /** | |
1373 | * _base_disable_msix - disables msix | |
1374 | * @ioc: per adapter object | |
1375 | * | |
1376 | */ | |
1377 | static void | |
1378 | _base_disable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1379 | { | |
1380 | if (ioc->msix_enable) { | |
1381 | pci_disable_msix(ioc->pdev); | |
635374e7 EM |
1382 | ioc->msix_enable = 0; |
1383 | } | |
1384 | } | |
1385 | ||
1386 | /** | |
1387 | * _base_enable_msix - enables msix, failback to io_apic | |
1388 | * @ioc: per adapter object | |
1389 | * | |
1390 | */ | |
1391 | static int | |
1392 | _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) | |
1393 | { | |
911ae943 | 1394 | struct msix_entry *entries, *a; |
635374e7 | 1395 | int r; |
911ae943 | 1396 | int i; |
635374e7 EM |
1397 | u8 try_msix = 0; |
1398 | ||
911ae943 | 1399 | INIT_LIST_HEAD(&ioc->reply_queue_list); |
1400 | ||
635374e7 EM |
1401 | if (msix_disable == -1 || msix_disable == 0) |
1402 | try_msix = 1; | |
1403 | ||
1404 | if (!try_msix) | |
1405 | goto try_ioapic; | |
1406 | ||
1407 | if (_base_check_enable_msix(ioc) != 0) | |
1408 | goto try_ioapic; | |
1409 | ||
911ae943 | 1410 | ioc->reply_queue_count = min_t(u8, ioc->cpu_count, |
1411 | ioc->msix_vector_count); | |
1412 | ||
1413 | entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), | |
1414 | GFP_KERNEL); | |
1415 | if (!entries) { | |
1416 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " | |
1417 | "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, | |
1418 | __LINE__, __func__)); | |
635374e7 EM |
1419 | goto try_ioapic; |
1420 | } | |
1421 | ||
911ae943 | 1422 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) |
1423 | a->entry = i; | |
1424 | ||
1425 | r = pci_enable_msix(ioc->pdev, entries, ioc->reply_queue_count); | |
635374e7 EM |
1426 | if (r) { |
1427 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix " | |
1428 | "failed (r=%d) !!!\n", ioc->name, r)); | |
911ae943 | 1429 | kfree(entries); |
635374e7 EM |
1430 | goto try_ioapic; |
1431 | } | |
1432 | ||
911ae943 | 1433 | ioc->msix_enable = 1; |
1434 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { | |
1435 | r = _base_request_irq(ioc, i, a->vector); | |
1436 | if (r) { | |
1437 | _base_free_irq(ioc); | |
1438 | _base_disable_msix(ioc); | |
1439 | kfree(entries); | |
1440 | goto try_ioapic; | |
1441 | } | |
635374e7 EM |
1442 | } |
1443 | ||
911ae943 | 1444 | kfree(entries); |
635374e7 EM |
1445 | return 0; |
1446 | ||
1447 | /* failback to io_apic interrupt routing */ | |
1448 | try_ioapic: | |
1449 | ||
911ae943 | 1450 | r = _base_request_irq(ioc, 0, ioc->pdev->irq); |
635374e7 | 1451 | |
635374e7 EM |
1452 | return r; |
1453 | } | |
1454 | ||
1455 | /** | |
1456 | * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) | |
1457 | * @ioc: per adapter object | |
1458 | * | |
1459 | * Returns 0 for success, non-zero for failure. | |
1460 | */ | |
1461 | int | |
1462 | mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) | |
1463 | { | |
1464 | struct pci_dev *pdev = ioc->pdev; | |
1465 | u32 memap_sz; | |
1466 | u32 pio_sz; | |
1467 | int i, r = 0; | |
6846e75c KD |
1468 | u64 pio_chip = 0; |
1469 | u64 chip_phys = 0; | |
911ae943 | 1470 | struct adapter_reply_queue *reply_q; |
635374e7 | 1471 | |
eabb08ad | 1472 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", |
635374e7 EM |
1473 | ioc->name, __func__)); |
1474 | ||
1475 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
1476 | if (pci_enable_device_mem(pdev)) { | |
1477 | printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " | |
1478 | "failed\n", ioc->name); | |
1479 | return -ENODEV; | |
1480 | } | |
1481 | ||
1482 | ||
1483 | if (pci_request_selected_regions(pdev, ioc->bars, | |
1484 | MPT2SAS_DRIVER_NAME)) { | |
1485 | printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " | |
1486 | "failed\n", ioc->name); | |
1487 | r = -ENODEV; | |
1488 | goto out_fail; | |
1489 | } | |
1490 | ||
ef7c80c1 KD |
1491 | /* AER (Advanced Error Reporting) hooks */ |
1492 | pci_enable_pcie_error_reporting(pdev); | |
1493 | ||
635374e7 EM |
1494 | pci_set_master(pdev); |
1495 | ||
1496 | if (_base_config_dma_addressing(ioc, pdev) != 0) { | |
1497 | printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", | |
1498 | ioc->name, pci_name(pdev)); | |
1499 | r = -ENODEV; | |
1500 | goto out_fail; | |
1501 | } | |
1502 | ||
1503 | for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { | |
fc193172 | 1504 | if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { |
635374e7 EM |
1505 | if (pio_sz) |
1506 | continue; | |
6846e75c | 1507 | pio_chip = (u64)pci_resource_start(pdev, i); |
635374e7 EM |
1508 | pio_sz = pci_resource_len(pdev, i); |
1509 | } else { | |
1510 | if (memap_sz) | |
1511 | continue; | |
fc193172 RL |
1512 | /* verify memory resource is valid before using */ |
1513 | if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { | |
1514 | ioc->chip_phys = pci_resource_start(pdev, i); | |
1515 | chip_phys = (u64)ioc->chip_phys; | |
1516 | memap_sz = pci_resource_len(pdev, i); | |
1517 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); | |
1518 | if (ioc->chip == NULL) { | |
1519 | printk(MPT2SAS_ERR_FMT "unable to map " | |
1520 | "adapter memory!\n", ioc->name); | |
1521 | r = -EINVAL; | |
1522 | goto out_fail; | |
1523 | } | |
635374e7 EM |
1524 | } |
1525 | } | |
1526 | } | |
1527 | ||
635374e7 EM |
1528 | _base_mask_interrupts(ioc); |
1529 | r = _base_enable_msix(ioc); | |
1530 | if (r) | |
1531 | goto out_fail; | |
1532 | ||
911ae943 | 1533 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) |
1534 | printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", | |
1535 | reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : | |
1536 | "IO-APIC enabled"), reply_q->vector); | |
1537 | ||
6846e75c KD |
1538 | printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", |
1539 | ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); | |
1540 | printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", | |
1541 | ioc->name, (unsigned long long)pio_chip, pio_sz); | |
635374e7 | 1542 | |
3cb5469a EM |
1543 | /* Save PCI configuration state for recovery from PCI AER/EEH errors */ |
1544 | pci_save_state(pdev); | |
1545 | ||
635374e7 EM |
1546 | return 0; |
1547 | ||
1548 | out_fail: | |
1549 | if (ioc->chip_phys) | |
1550 | iounmap(ioc->chip); | |
1551 | ioc->chip_phys = 0; | |
635374e7 | 1552 | pci_release_selected_regions(ioc->pdev, ioc->bars); |
ef7c80c1 | 1553 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 1554 | pci_disable_device(pdev); |
635374e7 EM |
1555 | return r; |
1556 | } | |
1557 | ||
635374e7 EM |
1558 | /** |
1559 | * mpt2sas_base_get_msg_frame - obtain request mf pointer | |
1560 | * @ioc: per adapter object | |
1561 | * @smid: system request message index(smid zero is invalid) | |
1562 | * | |
1563 | * Returns virt pointer to message frame. | |
1564 | */ | |
1565 | void * | |
1566 | mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1567 | { | |
1568 | return (void *)(ioc->request + (smid * ioc->request_sz)); | |
1569 | } | |
1570 | ||
1571 | /** | |
1572 | * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request | |
1573 | * @ioc: per adapter object | |
1574 | * @smid: system request message index | |
1575 | * | |
1576 | * Returns virt pointer to sense buffer. | |
1577 | */ | |
1578 | void * | |
1579 | mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1580 | { | |
1581 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
1582 | } | |
1583 | ||
1584 | /** | |
1585 | * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request | |
1586 | * @ioc: per adapter object | |
1587 | * @smid: system request message index | |
1588 | * | |
ec9472c7 | 1589 | * Returns phys pointer to the low 32bit address of the sense buffer. |
635374e7 | 1590 | */ |
ec9472c7 | 1591 | __le32 |
635374e7 EM |
1592 | mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
1593 | { | |
ec9472c7 KD |
1594 | return cpu_to_le32(ioc->sense_dma + |
1595 | ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); | |
635374e7 EM |
1596 | } |
1597 | ||
1598 | /** | |
1599 | * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address | |
1600 | * @ioc: per adapter object | |
1601 | * @phys_addr: lower 32 physical addr of the reply | |
1602 | * | |
1603 | * Converts 32bit lower physical addr into a virt address. | |
1604 | */ | |
1605 | void * | |
1606 | mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) | |
1607 | { | |
1608 | if (!phys_addr) | |
1609 | return NULL; | |
1610 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); | |
1611 | } | |
1612 | ||
1613 | /** | |
595bb0bd | 1614 | * mpt2sas_base_get_smid - obtain a free smid from internal queue |
635374e7 EM |
1615 | * @ioc: per adapter object |
1616 | * @cb_idx: callback index | |
1617 | * | |
1618 | * Returns smid (zero is invalid) | |
1619 | */ | |
1620 | u16 | |
1621 | mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1622 | { | |
1623 | unsigned long flags; | |
1624 | struct request_tracker *request; | |
1625 | u16 smid; | |
1626 | ||
595bb0bd KD |
1627 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1628 | if (list_empty(&ioc->internal_free_list)) { | |
1629 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1630 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1631 | ioc->name, __func__); | |
1632 | return 0; | |
1633 | } | |
1634 | ||
1635 | request = list_entry(ioc->internal_free_list.next, | |
1636 | struct request_tracker, tracker_list); | |
1637 | request->cb_idx = cb_idx; | |
1638 | smid = request->smid; | |
1639 | list_del(&request->tracker_list); | |
1640 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1641 | return smid; | |
1642 | } | |
1643 | ||
1644 | /** | |
1645 | * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue | |
1646 | * @ioc: per adapter object | |
1647 | * @cb_idx: callback index | |
1648 | * @scmd: pointer to scsi command object | |
1649 | * | |
1650 | * Returns smid (zero is invalid) | |
1651 | */ | |
1652 | u16 | |
1653 | mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, | |
1654 | struct scsi_cmnd *scmd) | |
1655 | { | |
1656 | unsigned long flags; | |
d5bd3491 | 1657 | struct scsiio_tracker *request; |
595bb0bd KD |
1658 | u16 smid; |
1659 | ||
635374e7 EM |
1660 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
1661 | if (list_empty(&ioc->free_list)) { | |
1662 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1663 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", | |
1664 | ioc->name, __func__); | |
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | request = list_entry(ioc->free_list.next, | |
d5bd3491 | 1669 | struct scsiio_tracker, tracker_list); |
595bb0bd KD |
1670 | request->scmd = scmd; |
1671 | request->cb_idx = cb_idx; | |
1672 | smid = request->smid; | |
1673 | list_del(&request->tracker_list); | |
1674 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1675 | return smid; | |
1676 | } | |
1677 | ||
1678 | /** | |
1679 | * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue | |
1680 | * @ioc: per adapter object | |
1681 | * @cb_idx: callback index | |
1682 | * | |
1683 | * Returns smid (zero is invalid) | |
1684 | */ | |
1685 | u16 | |
1686 | mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) | |
1687 | { | |
1688 | unsigned long flags; | |
1689 | struct request_tracker *request; | |
1690 | u16 smid; | |
1691 | ||
1692 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
1693 | if (list_empty(&ioc->hpr_free_list)) { | |
1694 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1695 | return 0; | |
1696 | } | |
1697 | ||
1698 | request = list_entry(ioc->hpr_free_list.next, | |
1699 | struct request_tracker, tracker_list); | |
635374e7 EM |
1700 | request->cb_idx = cb_idx; |
1701 | smid = request->smid; | |
1702 | list_del(&request->tracker_list); | |
1703 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
1704 | return smid; | |
1705 | } | |
1706 | ||
1707 | ||
1708 | /** | |
1709 | * mpt2sas_base_free_smid - put smid back on free_list | |
1710 | * @ioc: per adapter object | |
1711 | * @smid: system request message index | |
1712 | * | |
1713 | * Return nothing. | |
1714 | */ | |
1715 | void | |
1716 | mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
1717 | { | |
1718 | unsigned long flags; | |
595bb0bd | 1719 | int i; |
35f805b5 | 1720 | struct chain_tracker *chain_req, *next; |
635374e7 EM |
1721 | |
1722 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
d5bd3491 KD |
1723 | if (smid < ioc->hi_priority_smid) { |
1724 | /* scsiio queue */ | |
1725 | i = smid - 1; | |
1726 | if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { | |
1727 | list_for_each_entry_safe(chain_req, next, | |
1728 | &ioc->scsi_lookup[i].chain_list, tracker_list) { | |
1729 | list_del_init(&chain_req->tracker_list); | |
1730 | list_add_tail(&chain_req->tracker_list, | |
1731 | &ioc->free_chain_list); | |
1732 | } | |
595bb0bd | 1733 | } |
d5bd3491 KD |
1734 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
1735 | ioc->scsi_lookup[i].scmd = NULL; | |
0bdccdb0 | 1736 | ioc->scsi_lookup[i].direct_io = 0; |
d5bd3491 KD |
1737 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
1738 | &ioc->free_list); | |
595bb0bd | 1739 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
595bb0bd | 1740 | |
d5bd3491 KD |
1741 | /* |
1742 | * See _wait_for_commands_to_complete() call with regards | |
1743 | * to this code. | |
1744 | */ | |
1745 | if (ioc->shost_recovery && ioc->pending_io_count) { | |
1746 | if (ioc->pending_io_count == 1) | |
1747 | wake_up(&ioc->reset_wq); | |
1748 | ioc->pending_io_count--; | |
35f805b5 | 1749 | } |
d5bd3491 KD |
1750 | return; |
1751 | } else if (smid < ioc->internal_smid) { | |
1752 | /* hi-priority */ | |
1753 | i = smid - ioc->hi_priority_smid; | |
1754 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
1755 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
1756 | &ioc->hpr_free_list); | |
1757 | } else if (smid <= ioc->hba_queue_depth) { | |
1758 | /* internal queue */ | |
1759 | i = smid - ioc->internal_smid; | |
1760 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
1761 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
1762 | &ioc->internal_free_list); | |
35f805b5 | 1763 | } |
635374e7 | 1764 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
635374e7 EM |
1765 | } |
1766 | ||
1767 | /** | |
1768 | * _base_writeq - 64 bit write to MMIO | |
1769 | * @ioc: per adapter object | |
1770 | * @b: data payload | |
1771 | * @addr: address in MMIO space | |
1772 | * @writeq_lock: spin lock | |
1773 | * | |
1774 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes | |
1775 | * care of 32 bit environment where its not quarenteed to send the entire word | |
1776 | * in one transfer. | |
1777 | */ | |
1778 | #ifndef writeq | |
1779 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1780 | spinlock_t *writeq_lock) | |
1781 | { | |
1782 | unsigned long flags; | |
1783 | __u64 data_out = cpu_to_le64(b); | |
1784 | ||
1785 | spin_lock_irqsave(writeq_lock, flags); | |
1786 | writel((u32)(data_out), addr); | |
1787 | writel((u32)(data_out >> 32), (addr + 4)); | |
1788 | spin_unlock_irqrestore(writeq_lock, flags); | |
1789 | } | |
1790 | #else | |
1791 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, | |
1792 | spinlock_t *writeq_lock) | |
1793 | { | |
1794 | writeq(cpu_to_le64(b), addr); | |
1795 | } | |
1796 | #endif | |
1797 | ||
911ae943 | 1798 | static inline u8 |
1799 | _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) | |
1800 | { | |
1801 | return ioc->cpu_msix_table[smp_processor_id()]; | |
1802 | } | |
1803 | ||
635374e7 EM |
1804 | /** |
1805 | * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware | |
1806 | * @ioc: per adapter object | |
1807 | * @smid: system request message index | |
635374e7 EM |
1808 | * @handle: device handle |
1809 | * | |
1810 | * Return nothing. | |
1811 | */ | |
1812 | void | |
7b936b02 | 1813 | mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) |
635374e7 EM |
1814 | { |
1815 | Mpi2RequestDescriptorUnion_t descriptor; | |
1816 | u64 *request = (u64 *)&descriptor; | |
1817 | ||
1818 | ||
1819 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; | |
911ae943 | 1820 | descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1821 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); |
1822 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); | |
1823 | descriptor.SCSIIO.LMID = 0; | |
1824 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1825 | &ioc->scsi_lookup_lock); | |
1826 | } | |
1827 | ||
1828 | ||
1829 | /** | |
25985edc | 1830 | * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware |
635374e7 EM |
1831 | * @ioc: per adapter object |
1832 | * @smid: system request message index | |
635374e7 EM |
1833 | * |
1834 | * Return nothing. | |
1835 | */ | |
1836 | void | |
7b936b02 | 1837 | mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1838 | { |
1839 | Mpi2RequestDescriptorUnion_t descriptor; | |
1840 | u64 *request = (u64 *)&descriptor; | |
1841 | ||
1842 | descriptor.HighPriority.RequestFlags = | |
1843 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; | |
911ae943 | 1844 | descriptor.HighPriority.MSIxIndex = 0; |
635374e7 EM |
1845 | descriptor.HighPriority.SMID = cpu_to_le16(smid); |
1846 | descriptor.HighPriority.LMID = 0; | |
1847 | descriptor.HighPriority.Reserved1 = 0; | |
1848 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1849 | &ioc->scsi_lookup_lock); | |
1850 | } | |
1851 | ||
1852 | /** | |
1853 | * mpt2sas_base_put_smid_default - Default, primarily used for config pages | |
1854 | * @ioc: per adapter object | |
1855 | * @smid: system request message index | |
635374e7 EM |
1856 | * |
1857 | * Return nothing. | |
1858 | */ | |
1859 | void | |
7b936b02 | 1860 | mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
635374e7 EM |
1861 | { |
1862 | Mpi2RequestDescriptorUnion_t descriptor; | |
1863 | u64 *request = (u64 *)&descriptor; | |
1864 | ||
1865 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; | |
911ae943 | 1866 | descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1867 | descriptor.Default.SMID = cpu_to_le16(smid); |
1868 | descriptor.Default.LMID = 0; | |
1869 | descriptor.Default.DescriptorTypeDependent = 0; | |
1870 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1871 | &ioc->scsi_lookup_lock); | |
1872 | } | |
1873 | ||
1874 | /** | |
1875 | * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware | |
1876 | * @ioc: per adapter object | |
1877 | * @smid: system request message index | |
635374e7 EM |
1878 | * @io_index: value used to track the IO |
1879 | * | |
1880 | * Return nothing. | |
1881 | */ | |
1882 | void | |
1883 | mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
7b936b02 | 1884 | u16 io_index) |
635374e7 EM |
1885 | { |
1886 | Mpi2RequestDescriptorUnion_t descriptor; | |
1887 | u64 *request = (u64 *)&descriptor; | |
1888 | ||
1889 | descriptor.SCSITarget.RequestFlags = | |
1890 | MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; | |
911ae943 | 1891 | descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); |
635374e7 EM |
1892 | descriptor.SCSITarget.SMID = cpu_to_le16(smid); |
1893 | descriptor.SCSITarget.LMID = 0; | |
1894 | descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); | |
1895 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, | |
1896 | &ioc->scsi_lookup_lock); | |
1897 | } | |
1898 | ||
f0f9cc1f EM |
1899 | /** |
1900 | * _base_display_dell_branding - Disply branding string | |
1901 | * @ioc: per adapter object | |
1902 | * | |
1903 | * Return nothing. | |
1904 | */ | |
1905 | static void | |
1906 | _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) | |
1907 | { | |
1908 | char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; | |
1909 | ||
1910 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) | |
1911 | return; | |
1912 | ||
1913 | memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); | |
1914 | switch (ioc->pdev->subsystem_device) { | |
1915 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: | |
1916 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, | |
1917 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1918 | break; | |
1919 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: | |
1920 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, | |
1921 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1922 | break; | |
1923 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: | |
1924 | strncpy(dell_branding, | |
1925 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, | |
1926 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1927 | break; | |
1928 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: | |
1929 | strncpy(dell_branding, | |
1930 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, | |
1931 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1932 | break; | |
1933 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: | |
1934 | strncpy(dell_branding, | |
1935 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, | |
1936 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1937 | break; | |
1938 | case MPT2SAS_DELL_PERC_H200_SSDID: | |
1939 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, | |
1940 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1941 | break; | |
1942 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: | |
1943 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, | |
1944 | MPT2SAS_DELL_BRANDING_SIZE - 1); | |
1945 | break; | |
1946 | default: | |
1947 | sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); | |
1948 | break; | |
1949 | } | |
1950 | ||
1951 | printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," | |
1952 | " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, | |
1953 | ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, | |
1954 | ioc->pdev->subsystem_device); | |
1955 | } | |
1956 | ||
fb396bec KD |
1957 | /** |
1958 | * _base_display_intel_branding - Display branding string | |
1959 | * @ioc: per adapter object | |
1960 | * | |
1961 | * Return nothing. | |
1962 | */ | |
1963 | static void | |
1964 | _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) | |
1965 | { | |
ab3e5f60 KD |
1966 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) |
1967 | return; | |
fb396bec | 1968 | |
ab3e5f60 KD |
1969 | switch (ioc->pdev->device) { |
1970 | case MPI2_MFGPAGE_DEVID_SAS2008: | |
fb396bec KD |
1971 | switch (ioc->pdev->subsystem_device) { |
1972 | case MPT2SAS_INTEL_RMS2LL080_SSDID: | |
1973 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1974 | MPT2SAS_INTEL_RMS2LL080_BRANDING); | |
1975 | break; | |
1976 | case MPT2SAS_INTEL_RMS2LL040_SSDID: | |
1977 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1978 | MPT2SAS_INTEL_RMS2LL040_BRANDING); | |
1979 | break; | |
70e73f99 | 1980 | case MPT2SAS_INTEL_RAMSDALE_SSDID: |
1981 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1982 | MPT2SAS_INTEL_RAMSDALE_BRANDING); | |
1983 | break; | |
ab3e5f60 KD |
1984 | default: |
1985 | break; | |
1986 | } | |
1987 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
1988 | switch (ioc->pdev->subsystem_device) { | |
1989 | case MPT2SAS_INTEL_RS25GB008_SSDID: | |
1990 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1991 | MPT2SAS_INTEL_RS25GB008_BRANDING); | |
1992 | break; | |
8bad3055 | 1993 | case MPT2SAS_INTEL_RMS25JB080_SSDID: |
1994 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1995 | MPT2SAS_INTEL_RMS25JB080_BRANDING); | |
1996 | break; | |
1997 | case MPT2SAS_INTEL_RMS25JB040_SSDID: | |
1998 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
1999 | MPT2SAS_INTEL_RMS25JB040_BRANDING); | |
2000 | break; | |
2001 | case MPT2SAS_INTEL_RMS25KB080_SSDID: | |
2002 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2003 | MPT2SAS_INTEL_RMS25KB080_BRANDING); | |
2004 | break; | |
2005 | case MPT2SAS_INTEL_RMS25KB040_SSDID: | |
2006 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2007 | MPT2SAS_INTEL_RMS25KB040_BRANDING); | |
2008 | break; | |
ab3e5f60 KD |
2009 | default: |
2010 | break; | |
fb396bec | 2011 | } |
ab3e5f60 KD |
2012 | default: |
2013 | break; | |
fb396bec KD |
2014 | } |
2015 | } | |
2016 | ||
0a2385ce KD |
2017 | /** |
2018 | * _base_display_hp_branding - Display branding string | |
2019 | * @ioc: per adapter object | |
2020 | * | |
2021 | * Return nothing. | |
2022 | */ | |
2023 | static void | |
2024 | _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) | |
2025 | { | |
2026 | if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) | |
2027 | return; | |
2028 | ||
2029 | switch (ioc->pdev->device) { | |
2030 | case MPI2_MFGPAGE_DEVID_SAS2004: | |
2031 | switch (ioc->pdev->subsystem_device) { | |
2032 | case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: | |
2033 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2034 | MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); | |
2035 | break; | |
2036 | default: | |
2037 | break; | |
2038 | } | |
2039 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
2040 | switch (ioc->pdev->subsystem_device) { | |
2041 | case MPT2SAS_HP_2_4_INTERNAL_SSDID: | |
2042 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2043 | MPT2SAS_HP_2_4_INTERNAL_BRANDING); | |
2044 | break; | |
2045 | case MPT2SAS_HP_2_4_EXTERNAL_SSDID: | |
2046 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2047 | MPT2SAS_HP_2_4_EXTERNAL_BRANDING); | |
2048 | break; | |
2049 | case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: | |
2050 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2051 | MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); | |
2052 | break; | |
2053 | case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: | |
2054 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, | |
2055 | MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); | |
2056 | break; | |
2057 | default: | |
2058 | break; | |
2059 | } | |
2060 | default: | |
2061 | break; | |
2062 | } | |
2063 | } | |
2064 | ||
635374e7 EM |
2065 | /** |
2066 | * _base_display_ioc_capabilities - Disply IOC's capabilities. | |
2067 | * @ioc: per adapter object | |
2068 | * | |
2069 | * Return nothing. | |
2070 | */ | |
2071 | static void | |
2072 | _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) | |
2073 | { | |
2074 | int i = 0; | |
2075 | char desc[16]; | |
2076 | u8 revision; | |
2077 | u32 iounit_pg1_flags; | |
c97951ec | 2078 | u32 bios_version; |
635374e7 | 2079 | |
c97951ec | 2080 | bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
635374e7 EM |
2081 | pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); |
2082 | strncpy(desc, ioc->manu_pg0.ChipName, 16); | |
2083 | printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " | |
2084 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", | |
2085 | ioc->name, desc, | |
2086 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2087 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2088 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2089 | ioc->facts.FWVersion.Word & 0x000000FF, | |
2090 | revision, | |
c97951ec KD |
2091 | (bios_version & 0xFF000000) >> 24, |
2092 | (bios_version & 0x00FF0000) >> 16, | |
2093 | (bios_version & 0x0000FF00) >> 8, | |
2094 | bios_version & 0x000000FF); | |
635374e7 | 2095 | |
ed79f128 | 2096 | _base_display_dell_branding(ioc); |
fb396bec | 2097 | _base_display_intel_branding(ioc); |
0a2385ce | 2098 | _base_display_hp_branding(ioc); |
ed79f128 | 2099 | |
635374e7 EM |
2100 | printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); |
2101 | ||
2102 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { | |
2103 | printk("Initiator"); | |
2104 | i++; | |
2105 | } | |
2106 | ||
2107 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { | |
2108 | printk("%sTarget", i ? "," : ""); | |
2109 | i++; | |
2110 | } | |
2111 | ||
2112 | i = 0; | |
2113 | printk("), "); | |
2114 | printk("Capabilities=("); | |
2115 | ||
0bdccdb0 KD |
2116 | if (!ioc->hide_ir_msg) { |
2117 | if (ioc->facts.IOCCapabilities & | |
2118 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { | |
2119 | printk("Raid"); | |
2120 | i++; | |
2121 | } | |
635374e7 EM |
2122 | } |
2123 | ||
2124 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { | |
2125 | printk("%sTLR", i ? "," : ""); | |
2126 | i++; | |
2127 | } | |
2128 | ||
2129 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { | |
2130 | printk("%sMulticast", i ? "," : ""); | |
2131 | i++; | |
2132 | } | |
2133 | ||
2134 | if (ioc->facts.IOCCapabilities & | |
2135 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { | |
2136 | printk("%sBIDI Target", i ? "," : ""); | |
2137 | i++; | |
2138 | } | |
2139 | ||
2140 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { | |
2141 | printk("%sEEDP", i ? "," : ""); | |
2142 | i++; | |
2143 | } | |
2144 | ||
2145 | if (ioc->facts.IOCCapabilities & | |
2146 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { | |
2147 | printk("%sSnapshot Buffer", i ? "," : ""); | |
2148 | i++; | |
2149 | } | |
2150 | ||
2151 | if (ioc->facts.IOCCapabilities & | |
2152 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { | |
2153 | printk("%sDiag Trace Buffer", i ? "," : ""); | |
2154 | i++; | |
2155 | } | |
2156 | ||
1b01fe3a KD |
2157 | if (ioc->facts.IOCCapabilities & |
2158 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { | |
2159 | printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); | |
2160 | i++; | |
2161 | } | |
2162 | ||
635374e7 EM |
2163 | if (ioc->facts.IOCCapabilities & |
2164 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { | |
2165 | printk("%sTask Set Full", i ? "," : ""); | |
2166 | i++; | |
2167 | } | |
2168 | ||
2169 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2170 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { | |
2171 | printk("%sNCQ", i ? "," : ""); | |
2172 | i++; | |
2173 | } | |
2174 | ||
2175 | printk(")\n"); | |
2176 | } | |
2177 | ||
6cb8ef57 KD |
2178 | /** |
2179 | * _base_update_missing_delay - change the missing delay timers | |
2180 | * @ioc: per adapter object | |
2181 | * @device_missing_delay: amount of time till device is reported missing | |
2182 | * @io_missing_delay: interval IO is returned when there is a missing device | |
2183 | * | |
2184 | * Return nothing. | |
2185 | * | |
2186 | * Passed on the command line, this function will modify the device missing | |
2187 | * delay, as well as the io missing delay. This should be called at driver | |
2188 | * load time. | |
2189 | */ | |
2190 | static void | |
2191 | _base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, | |
2192 | u16 device_missing_delay, u8 io_missing_delay) | |
2193 | { | |
2194 | u16 dmd, dmd_new, dmd_orignal; | |
2195 | u8 io_missing_delay_original; | |
2196 | u16 sz; | |
2197 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
2198 | Mpi2ConfigReply_t mpi_reply; | |
2199 | u8 num_phys = 0; | |
2200 | u16 ioc_status; | |
2201 | ||
2202 | mpt2sas_config_get_number_hba_phys(ioc, &num_phys); | |
2203 | if (!num_phys) | |
2204 | return; | |
2205 | ||
2206 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * | |
2207 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
2208 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
2209 | if (!sas_iounit_pg1) { | |
2210 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2211 | ioc->name, __FILE__, __LINE__, __func__); | |
2212 | goto out; | |
2213 | } | |
2214 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
2215 | sas_iounit_pg1, sz))) { | |
2216 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2217 | ioc->name, __FILE__, __LINE__, __func__); | |
2218 | goto out; | |
2219 | } | |
2220 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
2221 | MPI2_IOCSTATUS_MASK; | |
2222 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2223 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2224 | ioc->name, __FILE__, __LINE__, __func__); | |
2225 | goto out; | |
2226 | } | |
2227 | ||
2228 | /* device missing delay */ | |
2229 | dmd = sas_iounit_pg1->ReportDeviceMissingDelay; | |
2230 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2231 | dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2232 | else | |
2233 | dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2234 | dmd_orignal = dmd; | |
2235 | if (device_missing_delay > 0x7F) { | |
2236 | dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : | |
2237 | device_missing_delay; | |
2238 | dmd = dmd / 16; | |
2239 | dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; | |
2240 | } else | |
2241 | dmd = device_missing_delay; | |
2242 | sas_iounit_pg1->ReportDeviceMissingDelay = dmd; | |
2243 | ||
2244 | /* io missing delay */ | |
2245 | io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; | |
2246 | sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; | |
2247 | ||
2248 | if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
2249 | sz)) { | |
2250 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
2251 | dmd_new = (dmd & | |
2252 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
2253 | else | |
2254 | dmd_new = | |
2255 | dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
2256 | printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " | |
2257 | "new(%d)\n", ioc->name, dmd_orignal, dmd_new); | |
2258 | printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " | |
2259 | "new(%d)\n", ioc->name, io_missing_delay_original, | |
2260 | io_missing_delay); | |
2261 | ioc->device_missing_delay = dmd_new; | |
2262 | ioc->io_missing_delay = io_missing_delay; | |
2263 | } | |
2264 | ||
2265 | out: | |
2266 | kfree(sas_iounit_pg1); | |
2267 | } | |
2268 | ||
635374e7 EM |
2269 | /** |
2270 | * _base_static_config_pages - static start of day config pages | |
2271 | * @ioc: per adapter object | |
2272 | * | |
2273 | * Return nothing. | |
2274 | */ | |
2275 | static void | |
2276 | _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) | |
2277 | { | |
2278 | Mpi2ConfigReply_t mpi_reply; | |
2279 | u32 iounit_pg1_flags; | |
2280 | ||
2281 | mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); | |
ed79f128 KD |
2282 | if (ioc->ir_firmware) |
2283 | mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, | |
2284 | &ioc->manu_pg10); | |
635374e7 EM |
2285 | mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); |
2286 | mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); | |
2287 | mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); | |
2288 | mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); | |
2289 | mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); | |
2290 | _base_display_ioc_capabilities(ioc); | |
2291 | ||
2292 | /* | |
2293 | * Enable task_set_full handling in iounit_pg1 when the | |
2294 | * facts capabilities indicate that its supported. | |
2295 | */ | |
2296 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); | |
2297 | if ((ioc->facts.IOCCapabilities & | |
2298 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) | |
2299 | iounit_pg1_flags &= | |
2300 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2301 | else | |
2302 | iounit_pg1_flags |= | |
2303 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; | |
2304 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); | |
5b768581 | 2305 | mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); |
6cb8ef57 | 2306 | |
635374e7 EM |
2307 | } |
2308 | ||
2309 | /** | |
2310 | * _base_release_memory_pools - release memory | |
2311 | * @ioc: per adapter object | |
2312 | * | |
2313 | * Free memory allocated from _base_allocate_memory_pools. | |
2314 | * | |
2315 | * Return nothing. | |
2316 | */ | |
2317 | static void | |
2318 | _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) | |
2319 | { | |
35f805b5 KD |
2320 | int i; |
2321 | ||
eabb08ad | 2322 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2323 | __func__)); |
2324 | ||
2325 | if (ioc->request) { | |
2326 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, | |
2327 | ioc->request, ioc->request_dma); | |
2328 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" | |
2329 | ": free\n", ioc->name, ioc->request)); | |
2330 | ioc->request = NULL; | |
2331 | } | |
2332 | ||
2333 | if (ioc->sense) { | |
2334 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); | |
2335 | if (ioc->sense_dma_pool) | |
2336 | pci_pool_destroy(ioc->sense_dma_pool); | |
2337 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" | |
2338 | ": free\n", ioc->name, ioc->sense)); | |
2339 | ioc->sense = NULL; | |
2340 | } | |
2341 | ||
2342 | if (ioc->reply) { | |
2343 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); | |
2344 | if (ioc->reply_dma_pool) | |
2345 | pci_pool_destroy(ioc->reply_dma_pool); | |
2346 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" | |
2347 | ": free\n", ioc->name, ioc->reply)); | |
2348 | ioc->reply = NULL; | |
2349 | } | |
2350 | ||
2351 | if (ioc->reply_free) { | |
2352 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, | |
2353 | ioc->reply_free_dma); | |
2354 | if (ioc->reply_free_dma_pool) | |
2355 | pci_pool_destroy(ioc->reply_free_dma_pool); | |
2356 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" | |
2357 | "(0x%p): free\n", ioc->name, ioc->reply_free)); | |
2358 | ioc->reply_free = NULL; | |
2359 | } | |
2360 | ||
2361 | if (ioc->reply_post_free) { | |
2362 | pci_pool_free(ioc->reply_post_free_dma_pool, | |
2363 | ioc->reply_post_free, ioc->reply_post_free_dma); | |
2364 | if (ioc->reply_post_free_dma_pool) | |
2365 | pci_pool_destroy(ioc->reply_post_free_dma_pool); | |
2366 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2367 | "reply_post_free_pool(0x%p): free\n", ioc->name, | |
2368 | ioc->reply_post_free)); | |
2369 | ioc->reply_post_free = NULL; | |
2370 | } | |
2371 | ||
2372 | if (ioc->config_page) { | |
2373 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2374 | "config_page(0x%p): free\n", ioc->name, | |
2375 | ioc->config_page)); | |
2376 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, | |
2377 | ioc->config_page, ioc->config_page_dma); | |
2378 | } | |
2379 | ||
66a67936 KD |
2380 | if (ioc->scsi_lookup) { |
2381 | free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); | |
2382 | ioc->scsi_lookup = NULL; | |
2383 | } | |
595bb0bd KD |
2384 | kfree(ioc->hpr_lookup); |
2385 | kfree(ioc->internal_lookup); | |
35f805b5 KD |
2386 | if (ioc->chain_lookup) { |
2387 | for (i = 0; i < ioc->chain_depth; i++) { | |
2388 | if (ioc->chain_lookup[i].chain_buffer) | |
2389 | pci_pool_free(ioc->chain_dma_pool, | |
2390 | ioc->chain_lookup[i].chain_buffer, | |
2391 | ioc->chain_lookup[i].chain_buffer_dma); | |
2392 | } | |
2393 | if (ioc->chain_dma_pool) | |
2394 | pci_pool_destroy(ioc->chain_dma_pool); | |
35f805b5 KD |
2395 | free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); |
2396 | ioc->chain_lookup = NULL; | |
2397 | } | |
635374e7 EM |
2398 | } |
2399 | ||
2400 | ||
2401 | /** | |
2402 | * _base_allocate_memory_pools - allocate start of day memory pools | |
2403 | * @ioc: per adapter object | |
2404 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2405 | * | |
2406 | * Returns 0 success, anything else error | |
2407 | */ | |
2408 | static int | |
2409 | _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
2410 | { | |
c97951ec | 2411 | struct mpt2sas_facts *facts; |
635374e7 | 2412 | u16 max_sge_elements; |
635374e7 | 2413 | u16 chains_needed_per_io; |
911ae943 | 2414 | u32 sz, total_sz, reply_post_free_sz; |
635374e7 EM |
2415 | u32 retry_sz; |
2416 | u16 max_request_credit; | |
35f805b5 | 2417 | int i; |
635374e7 | 2418 | |
eabb08ad | 2419 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
2420 | __func__)); |
2421 | ||
2422 | retry_sz = 0; | |
2423 | facts = &ioc->facts; | |
2424 | ||
2425 | /* command line tunables for max sgl entries */ | |
2426 | if (max_sgl_entries != -1) { | |
2427 | ioc->shost->sg_tablesize = (max_sgl_entries < | |
2428 | MPT2SAS_SG_DEPTH) ? max_sgl_entries : | |
2429 | MPT2SAS_SG_DEPTH; | |
2430 | } else { | |
2431 | ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; | |
2432 | } | |
2433 | ||
2434 | /* command line tunables for max controller queue depth */ | |
35f805b5 | 2435 | if (max_queue_depth != -1) |
635374e7 EM |
2436 | max_request_credit = (max_queue_depth < facts->RequestCredit) |
2437 | ? max_queue_depth : facts->RequestCredit; | |
35f805b5 | 2438 | else |
aff132d9 | 2439 | max_request_credit = min_t(u16, facts->RequestCredit, |
2440 | MAX_HBA_QUEUE_DEPTH); | |
595bb0bd KD |
2441 | |
2442 | ioc->hba_queue_depth = max_request_credit; | |
2443 | ioc->hi_priority_depth = facts->HighPriorityCredit; | |
2444 | ioc->internal_depth = ioc->hi_priority_depth + 5; | |
635374e7 EM |
2445 | |
2446 | /* request frame size */ | |
2447 | ioc->request_sz = facts->IOCRequestFrameSize * 4; | |
2448 | ||
2449 | /* reply frame size */ | |
2450 | ioc->reply_sz = facts->ReplyFrameSize * 4; | |
2451 | ||
2452 | retry_allocation: | |
2453 | total_sz = 0; | |
2454 | /* calculate number of sg elements left over in the 1st frame */ | |
2455 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - | |
2456 | sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); | |
2457 | ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; | |
2458 | ||
2459 | /* now do the same for a chain buffer */ | |
2460 | max_sge_elements = ioc->request_sz - ioc->sge_size; | |
2461 | ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; | |
2462 | ||
2463 | ioc->chain_offset_value_for_main_message = | |
2464 | ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + | |
2465 | (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; | |
2466 | ||
2467 | /* | |
2468 | * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE | |
2469 | */ | |
2470 | chains_needed_per_io = ((ioc->shost->sg_tablesize - | |
2471 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) | |
2472 | + 1; | |
2473 | if (chains_needed_per_io > facts->MaxChainDepth) { | |
2474 | chains_needed_per_io = facts->MaxChainDepth; | |
2475 | ioc->shost->sg_tablesize = min_t(u16, | |
2476 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message | |
2477 | * chains_needed_per_io), ioc->shost->sg_tablesize); | |
2478 | } | |
2479 | ioc->chains_needed_per_io = chains_needed_per_io; | |
2480 | ||
aff132d9 | 2481 | /* reply free queue sizing - taking into account for 64 FW events */ |
2482 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; | |
635374e7 | 2483 | |
aff132d9 | 2484 | /* align the reply post queue on the next 16 count boundary */ |
2485 | if (!ioc->reply_free_queue_depth % 16) | |
2486 | ioc->reply_post_queue_depth = ioc->reply_free_queue_depth + 16; | |
2487 | else | |
2488 | ioc->reply_post_queue_depth = ioc->reply_free_queue_depth + | |
2489 | 32 - (ioc->reply_free_queue_depth % 16); | |
2490 | if (ioc->reply_post_queue_depth > | |
2491 | facts->MaxReplyDescriptorPostQueueDepth) { | |
2492 | ioc->reply_post_queue_depth = min_t(u16, | |
2493 | (facts->MaxReplyDescriptorPostQueueDepth - | |
2494 | (facts->MaxReplyDescriptorPostQueueDepth % 16)), | |
2495 | (ioc->hba_queue_depth - (ioc->hba_queue_depth % 16))); | |
2496 | ioc->reply_free_queue_depth = ioc->reply_post_queue_depth - 16; | |
2497 | ioc->hba_queue_depth = ioc->reply_free_queue_depth - 64; | |
635374e7 | 2498 | } |
aff132d9 | 2499 | |
635374e7 | 2500 | |
635374e7 EM |
2501 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " |
2502 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " | |
2503 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, | |
2504 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, | |
2505 | ioc->chains_needed_per_io)); | |
2506 | ||
595bb0bd KD |
2507 | ioc->scsiio_depth = ioc->hba_queue_depth - |
2508 | ioc->hi_priority_depth - ioc->internal_depth; | |
2509 | ||
2510 | /* set the scsi host can_queue depth | |
2511 | * with some internal commands that could be outstanding | |
2512 | */ | |
2513 | ioc->shost->can_queue = ioc->scsiio_depth - (2); | |
2514 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " | |
2515 | "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); | |
2516 | ||
635374e7 EM |
2517 | /* contiguous pool for request and chains, 16 byte align, one extra " |
2518 | * "frame for smid=0 | |
2519 | */ | |
595bb0bd | 2520 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; |
35f805b5 | 2521 | sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); |
595bb0bd KD |
2522 | |
2523 | /* hi-priority queue */ | |
2524 | sz += (ioc->hi_priority_depth * ioc->request_sz); | |
2525 | ||
2526 | /* internal queue */ | |
2527 | sz += (ioc->internal_depth * ioc->request_sz); | |
635374e7 EM |
2528 | |
2529 | ioc->request_dma_sz = sz; | |
2530 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); | |
2531 | if (!ioc->request) { | |
2532 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2533 | "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2534 | "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 | 2535 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
595bb0bd | 2536 | if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) |
635374e7 EM |
2537 | goto out; |
2538 | retry_sz += 64; | |
595bb0bd | 2539 | ioc->hba_queue_depth = max_request_credit - retry_sz; |
635374e7 EM |
2540 | goto retry_allocation; |
2541 | } | |
2542 | ||
2543 | if (retry_sz) | |
2544 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " | |
595bb0bd KD |
2545 | "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
2546 | "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, | |
635374e7 EM |
2547 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
2548 | ||
595bb0bd KD |
2549 | |
2550 | /* hi-priority queue */ | |
2551 | ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * | |
635374e7 | 2552 | ioc->request_sz); |
595bb0bd KD |
2553 | ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * |
2554 | ioc->request_sz); | |
2555 | ||
2556 | /* internal queue */ | |
2557 | ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * | |
635374e7 | 2558 | ioc->request_sz); |
595bb0bd KD |
2559 | ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * |
2560 | ioc->request_sz); | |
2561 | ||
595bb0bd | 2562 | |
635374e7 EM |
2563 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " |
2564 | "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
595bb0bd KD |
2565 | ioc->request, ioc->hba_queue_depth, ioc->request_sz, |
2566 | (ioc->hba_queue_depth * ioc->request_sz)/1024)); | |
635374e7 EM |
2567 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", |
2568 | ioc->name, (unsigned long long) ioc->request_dma)); | |
2569 | total_sz += sz; | |
2570 | ||
d5bd3491 | 2571 | sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); |
89009fbb | 2572 | ioc->scsi_lookup_pages = get_order(sz); |
d5bd3491 | 2573 | ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( |
89009fbb | 2574 | GFP_KERNEL, ioc->scsi_lookup_pages); |
635374e7 | 2575 | if (!ioc->scsi_lookup) { |
89009fbb KD |
2576 | printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " |
2577 | "sz(%d)\n", ioc->name, (int)sz); | |
635374e7 EM |
2578 | goto out; |
2579 | } | |
2580 | ||
595bb0bd KD |
2581 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " |
2582 | "depth(%d)\n", ioc->name, ioc->request, | |
2583 | ioc->scsiio_depth)); | |
2584 | ||
aff132d9 | 2585 | ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); |
2586 | sz = ioc->chain_depth * sizeof(struct chain_tracker); | |
2587 | ioc->chain_pages = get_order(sz); | |
2588 | ||
2589 | ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( | |
2590 | GFP_KERNEL, ioc->chain_pages); | |
35f805b5 KD |
2591 | ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, |
2592 | ioc->request_sz, 16, 0); | |
2593 | if (!ioc->chain_dma_pool) { | |
2594 | printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " | |
2595 | "failed\n", ioc->name); | |
2596 | goto out; | |
2597 | } | |
2598 | for (i = 0; i < ioc->chain_depth; i++) { | |
2599 | ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( | |
2600 | ioc->chain_dma_pool , GFP_KERNEL, | |
2601 | &ioc->chain_lookup[i].chain_buffer_dma); | |
2602 | if (!ioc->chain_lookup[i].chain_buffer) { | |
2603 | ioc->chain_depth = i; | |
2604 | goto chain_done; | |
2605 | } | |
2606 | total_sz += ioc->request_sz; | |
2607 | } | |
2608 | chain_done: | |
2609 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" | |
2610 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, | |
2611 | ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * | |
2612 | ioc->request_sz))/1024)); | |
2613 | ||
595bb0bd KD |
2614 | /* initialize hi-priority queue smid's */ |
2615 | ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, | |
2616 | sizeof(struct request_tracker), GFP_KERNEL); | |
2617 | if (!ioc->hpr_lookup) { | |
2618 | printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", | |
2619 | ioc->name); | |
2620 | goto out; | |
2621 | } | |
2622 | ioc->hi_priority_smid = ioc->scsiio_depth + 1; | |
2623 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " | |
2624 | "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, | |
2625 | ioc->hi_priority_depth, ioc->hi_priority_smid)); | |
2626 | ||
2627 | /* initialize internal queue smid's */ | |
2628 | ioc->internal_lookup = kcalloc(ioc->internal_depth, | |
2629 | sizeof(struct request_tracker), GFP_KERNEL); | |
2630 | if (!ioc->internal_lookup) { | |
2631 | printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", | |
2632 | ioc->name); | |
2633 | goto out; | |
2634 | } | |
2635 | ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; | |
2636 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " | |
2637 | "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, | |
2638 | ioc->internal_depth, ioc->internal_smid)); | |
635374e7 EM |
2639 | |
2640 | /* sense buffers, 4 byte align */ | |
595bb0bd | 2641 | sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; |
635374e7 EM |
2642 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, |
2643 | 0); | |
2644 | if (!ioc->sense_dma_pool) { | |
2645 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", | |
2646 | ioc->name); | |
2647 | goto out; | |
2648 | } | |
2649 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, | |
2650 | &ioc->sense_dma); | |
2651 | if (!ioc->sense) { | |
2652 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", | |
2653 | ioc->name); | |
2654 | goto out; | |
2655 | } | |
2656 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2657 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" | |
595bb0bd | 2658 | "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, |
635374e7 EM |
2659 | SCSI_SENSE_BUFFERSIZE, sz/1024)); |
2660 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", | |
2661 | ioc->name, (unsigned long long)ioc->sense_dma)); | |
2662 | total_sz += sz; | |
2663 | ||
2664 | /* reply pool, 4 byte align */ | |
2665 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; | |
2666 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, | |
2667 | 0); | |
2668 | if (!ioc->reply_dma_pool) { | |
2669 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", | |
2670 | ioc->name); | |
2671 | goto out; | |
2672 | } | |
2673 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, | |
2674 | &ioc->reply_dma); | |
2675 | if (!ioc->reply) { | |
2676 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", | |
2677 | ioc->name); | |
2678 | goto out; | |
2679 | } | |
dd3741d3 KD |
2680 | ioc->reply_dma_min_address = (u32)(ioc->reply_dma); |
2681 | ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; | |
635374e7 EM |
2682 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" |
2683 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, | |
2684 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); | |
2685 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", | |
2686 | ioc->name, (unsigned long long)ioc->reply_dma)); | |
2687 | total_sz += sz; | |
2688 | ||
2689 | /* reply free queue, 16 byte align */ | |
2690 | sz = ioc->reply_free_queue_depth * 4; | |
2691 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", | |
2692 | ioc->pdev, sz, 16, 0); | |
2693 | if (!ioc->reply_free_dma_pool) { | |
2694 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " | |
2695 | "failed\n", ioc->name); | |
2696 | goto out; | |
2697 | } | |
2698 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, | |
2699 | &ioc->reply_free_dma); | |
2700 | if (!ioc->reply_free) { | |
2701 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " | |
2702 | "failed\n", ioc->name); | |
2703 | goto out; | |
2704 | } | |
2705 | memset(ioc->reply_free, 0, sz); | |
2706 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " | |
2707 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, | |
2708 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); | |
2709 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" | |
2710 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); | |
2711 | total_sz += sz; | |
2712 | ||
2713 | /* reply post queue, 16 byte align */ | |
911ae943 | 2714 | reply_post_free_sz = ioc->reply_post_queue_depth * |
2715 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
2716 | if (_base_is_controller_msix_enabled(ioc)) | |
2717 | sz = reply_post_free_sz * ioc->reply_queue_count; | |
2718 | else | |
2719 | sz = reply_post_free_sz; | |
635374e7 EM |
2720 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", |
2721 | ioc->pdev, sz, 16, 0); | |
2722 | if (!ioc->reply_post_free_dma_pool) { | |
2723 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create " | |
2724 | "failed\n", ioc->name); | |
2725 | goto out; | |
2726 | } | |
2727 | ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool , | |
2728 | GFP_KERNEL, &ioc->reply_post_free_dma); | |
2729 | if (!ioc->reply_post_free) { | |
2730 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc " | |
2731 | "failed\n", ioc->name); | |
2732 | goto out; | |
2733 | } | |
2734 | memset(ioc->reply_post_free, 0, sz); | |
2735 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool" | |
2736 | "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n", | |
2737 | ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8, | |
2738 | sz/1024)); | |
2739 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = " | |
2740 | "(0x%llx)\n", ioc->name, (unsigned long long) | |
2741 | ioc->reply_post_free_dma)); | |
2742 | total_sz += sz; | |
2743 | ||
2744 | ioc->config_page_sz = 512; | |
2745 | ioc->config_page = pci_alloc_consistent(ioc->pdev, | |
2746 | ioc->config_page_sz, &ioc->config_page_dma); | |
2747 | if (!ioc->config_page) { | |
2748 | printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " | |
2749 | "failed\n", ioc->name); | |
2750 | goto out; | |
2751 | } | |
2752 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" | |
2753 | "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); | |
2754 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" | |
2755 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); | |
2756 | total_sz += ioc->config_page_sz; | |
2757 | ||
2758 | printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", | |
2759 | ioc->name, total_sz/1024); | |
2760 | printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " | |
2761 | "Max Controller Queue Depth(%d)\n", | |
2762 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); | |
2763 | printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", | |
2764 | ioc->name, ioc->shost->sg_tablesize); | |
2765 | return 0; | |
2766 | ||
2767 | out: | |
635374e7 EM |
2768 | return -ENOMEM; |
2769 | } | |
2770 | ||
2771 | ||
2772 | /** | |
2773 | * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. | |
2774 | * @ioc: Pointer to MPT_ADAPTER structure | |
2775 | * @cooked: Request raw or cooked IOC state | |
2776 | * | |
2777 | * Returns all IOC Doorbell register bits if cooked==0, else just the | |
2778 | * Doorbell bits in MPI_IOC_STATE_MASK. | |
2779 | */ | |
2780 | u32 | |
2781 | mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) | |
2782 | { | |
2783 | u32 s, sc; | |
2784 | ||
2785 | s = readl(&ioc->chip->Doorbell); | |
2786 | sc = s & MPI2_IOC_STATE_MASK; | |
2787 | return cooked ? sc : s; | |
2788 | } | |
2789 | ||
2790 | /** | |
2791 | * _base_wait_on_iocstate - waiting on a particular ioc state | |
2792 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } | |
2793 | * @timeout: timeout in second | |
2794 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2795 | * | |
2796 | * Returns 0 for success, non-zero for failure. | |
2797 | */ | |
2798 | static int | |
2799 | _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, | |
2800 | int sleep_flag) | |
2801 | { | |
2802 | u32 count, cntdn; | |
2803 | u32 current_state; | |
2804 | ||
2805 | count = 0; | |
2806 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2807 | do { | |
2808 | current_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2809 | if (current_state == ioc_state) | |
2810 | return 0; | |
2811 | if (count && current_state == MPI2_IOC_STATE_FAULT) | |
2812 | break; | |
2813 | if (sleep_flag == CAN_SLEEP) | |
2814 | msleep(1); | |
2815 | else | |
2816 | udelay(500); | |
2817 | count++; | |
2818 | } while (--cntdn); | |
2819 | ||
2820 | return current_state; | |
2821 | } | |
2822 | ||
2823 | /** | |
2824 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by | |
2825 | * a write to the doorbell) | |
2826 | * @ioc: per adapter object | |
2827 | * @timeout: timeout in second | |
2828 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2829 | * | |
2830 | * Returns 0 for success, non-zero for failure. | |
2831 | * | |
2832 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. | |
2833 | */ | |
2834 | static int | |
2835 | _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2836 | int sleep_flag) | |
2837 | { | |
2838 | u32 cntdn, count; | |
2839 | u32 int_status; | |
2840 | ||
2841 | count = 0; | |
2842 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2843 | do { | |
2844 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2845 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
eabb08ad | 2846 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2847 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2848 | __func__, count, timeout)); |
2849 | return 0; | |
2850 | } | |
2851 | if (sleep_flag == CAN_SLEEP) | |
2852 | msleep(1); | |
2853 | else | |
2854 | udelay(500); | |
2855 | count++; | |
2856 | } while (--cntdn); | |
2857 | ||
2858 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2859 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2860 | return -EFAULT; | |
2861 | } | |
2862 | ||
2863 | /** | |
2864 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. | |
2865 | * @ioc: per adapter object | |
2866 | * @timeout: timeout in second | |
2867 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2868 | * | |
2869 | * Returns 0 for success, non-zero for failure. | |
2870 | * | |
2871 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to | |
2872 | * doorbell. | |
2873 | */ | |
2874 | static int | |
2875 | _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2876 | int sleep_flag) | |
2877 | { | |
2878 | u32 cntdn, count; | |
2879 | u32 int_status; | |
2880 | u32 doorbell; | |
2881 | ||
2882 | count = 0; | |
2883 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2884 | do { | |
2885 | int_status = readl(&ioc->chip->HostInterruptStatus); | |
2886 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { | |
eabb08ad | 2887 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2888 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2889 | __func__, count, timeout)); |
2890 | return 0; | |
2891 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { | |
2892 | doorbell = readl(&ioc->chip->Doorbell); | |
2893 | if ((doorbell & MPI2_IOC_STATE_MASK) == | |
2894 | MPI2_IOC_STATE_FAULT) { | |
2895 | mpt2sas_base_fault_info(ioc , doorbell); | |
2896 | return -EFAULT; | |
2897 | } | |
2898 | } else if (int_status == 0xFFFFFFFF) | |
2899 | goto out; | |
2900 | ||
2901 | if (sleep_flag == CAN_SLEEP) | |
2902 | msleep(1); | |
2903 | else | |
2904 | udelay(500); | |
2905 | count++; | |
2906 | } while (--cntdn); | |
2907 | ||
2908 | out: | |
2909 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2910 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); | |
2911 | return -EFAULT; | |
2912 | } | |
2913 | ||
2914 | /** | |
2915 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use | |
2916 | * @ioc: per adapter object | |
2917 | * @timeout: timeout in second | |
2918 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
2919 | * | |
2920 | * Returns 0 for success, non-zero for failure. | |
2921 | * | |
2922 | */ | |
2923 | static int | |
2924 | _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, | |
2925 | int sleep_flag) | |
2926 | { | |
2927 | u32 cntdn, count; | |
2928 | u32 doorbell_reg; | |
2929 | ||
2930 | count = 0; | |
2931 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; | |
2932 | do { | |
2933 | doorbell_reg = readl(&ioc->chip->Doorbell); | |
2934 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { | |
eabb08ad | 2935 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
25985edc | 2936 | "successful count(%d), timeout(%d)\n", ioc->name, |
635374e7 EM |
2937 | __func__, count, timeout)); |
2938 | return 0; | |
2939 | } | |
2940 | if (sleep_flag == CAN_SLEEP) | |
2941 | msleep(1); | |
2942 | else | |
2943 | udelay(500); | |
2944 | count++; | |
2945 | } while (--cntdn); | |
2946 | ||
2947 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " | |
2948 | "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); | |
2949 | return -EFAULT; | |
2950 | } | |
2951 | ||
2952 | /** | |
2953 | * _base_send_ioc_reset - send doorbell reset | |
2954 | * @ioc: per adapter object | |
2955 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
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 | static int | |
2962 | _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, | |
2963 | int sleep_flag) | |
2964 | { | |
2965 | u32 ioc_state; | |
2966 | int r = 0; | |
2967 | ||
2968 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { | |
2969 | printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", | |
2970 | ioc->name, __func__); | |
2971 | return -EFAULT; | |
2972 | } | |
2973 | ||
2974 | if (!(ioc->facts.IOCCapabilities & | |
2975 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) | |
2976 | return -EFAULT; | |
2977 | ||
2978 | printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); | |
2979 | ||
2980 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, | |
2981 | &ioc->chip->Doorbell); | |
2982 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { | |
2983 | r = -EFAULT; | |
2984 | goto out; | |
2985 | } | |
2986 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, | |
2987 | timeout, sleep_flag); | |
2988 | if (ioc_state) { | |
2989 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
2990 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
2991 | r = -EFAULT; | |
2992 | goto out; | |
2993 | } | |
2994 | out: | |
2995 | printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", | |
2996 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); | |
2997 | return r; | |
2998 | } | |
2999 | ||
3000 | /** | |
3001 | * _base_handshake_req_reply_wait - send request thru doorbell interface | |
3002 | * @ioc: per adapter object | |
3003 | * @request_bytes: request length | |
3004 | * @request: pointer having request payload | |
3005 | * @reply_bytes: reply length | |
3006 | * @reply: pointer to reply payload | |
3007 | * @timeout: timeout in second | |
3008 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3009 | * | |
3010 | * Returns 0 for success, non-zero for failure. | |
3011 | */ | |
3012 | static int | |
3013 | _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, | |
3014 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) | |
3015 | { | |
3016 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; | |
3017 | int i; | |
3018 | u8 failed; | |
3019 | u16 dummy; | |
c97951ec | 3020 | __le32 *mfp; |
635374e7 EM |
3021 | |
3022 | /* make sure doorbell is not in use */ | |
3023 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { | |
3024 | printk(MPT2SAS_ERR_FMT "doorbell is in use " | |
3025 | " (line=%d)\n", ioc->name, __LINE__); | |
3026 | return -EFAULT; | |
3027 | } | |
3028 | ||
3029 | /* clear pending doorbell interrupts from previous state changes */ | |
3030 | if (readl(&ioc->chip->HostInterruptStatus) & | |
3031 | MPI2_HIS_IOC2SYS_DB_STATUS) | |
3032 | writel(0, &ioc->chip->HostInterruptStatus); | |
3033 | ||
3034 | /* send message to ioc */ | |
3035 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | | |
3036 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), | |
3037 | &ioc->chip->Doorbell); | |
3038 | ||
29786e19 | 3039 | if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { |
635374e7 EM |
3040 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
3041 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3042 | return -EFAULT; | |
3043 | } | |
3044 | writel(0, &ioc->chip->HostInterruptStatus); | |
3045 | ||
3046 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { | |
3047 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3048 | "ack failed (line=%d)\n", ioc->name, __LINE__); | |
3049 | return -EFAULT; | |
3050 | } | |
3051 | ||
3052 | /* send message 32-bits at a time */ | |
3053 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { | |
3054 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); | |
3055 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) | |
3056 | failed = 1; | |
3057 | } | |
3058 | ||
3059 | if (failed) { | |
3060 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3061 | "sending request failed (line=%d)\n", ioc->name, __LINE__); | |
3062 | return -EFAULT; | |
3063 | } | |
3064 | ||
3065 | /* now wait for the reply */ | |
3066 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { | |
3067 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3068 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3069 | return -EFAULT; | |
3070 | } | |
3071 | ||
3072 | /* read the first two 16-bits, it gives the total length of the reply */ | |
3073 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3074 | & MPI2_DOORBELL_DATA_MASK); | |
3075 | writel(0, &ioc->chip->HostInterruptStatus); | |
3076 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3077 | printk(MPT2SAS_ERR_FMT "doorbell handshake " | |
3078 | "int failed (line=%d)\n", ioc->name, __LINE__); | |
3079 | return -EFAULT; | |
3080 | } | |
3081 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3082 | & MPI2_DOORBELL_DATA_MASK); | |
3083 | writel(0, &ioc->chip->HostInterruptStatus); | |
3084 | ||
3085 | for (i = 2; i < default_reply->MsgLength * 2; i++) { | |
3086 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { | |
3087 | printk(MPT2SAS_ERR_FMT "doorbell " | |
3088 | "handshake int failed (line=%d)\n", ioc->name, | |
3089 | __LINE__); | |
3090 | return -EFAULT; | |
3091 | } | |
3092 | if (i >= reply_bytes/2) /* overflow case */ | |
3093 | dummy = readl(&ioc->chip->Doorbell); | |
3094 | else | |
3095 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) | |
3096 | & MPI2_DOORBELL_DATA_MASK); | |
3097 | writel(0, &ioc->chip->HostInterruptStatus); | |
3098 | } | |
3099 | ||
3100 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); | |
3101 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { | |
3102 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " | |
3103 | " (line=%d)\n", ioc->name, __LINE__)); | |
3104 | } | |
3105 | writel(0, &ioc->chip->HostInterruptStatus); | |
3106 | ||
3107 | if (ioc->logging_level & MPT_DEBUG_INIT) { | |
c97951ec | 3108 | mfp = (__le32 *)reply; |
eabb08ad | 3109 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3110 | for (i = 0; i < reply_bytes/4; i++) |
eabb08ad | 3111 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3112 | le32_to_cpu(mfp[i])); |
3113 | } | |
3114 | return 0; | |
3115 | } | |
3116 | ||
3117 | /** | |
3118 | * mpt2sas_base_sas_iounit_control - send sas iounit control to FW | |
3119 | * @ioc: per adapter object | |
3120 | * @mpi_reply: the reply payload from FW | |
3121 | * @mpi_request: the request payload sent to FW | |
3122 | * | |
3123 | * The SAS IO Unit Control Request message allows the host to perform low-level | |
3124 | * operations, such as resets on the PHYs of the IO Unit, also allows the host | |
3125 | * to obtain the IOC assigned device handles for a device if it has other | |
3126 | * identifying information about the device, in addition allows the host to | |
3127 | * remove IOC resources associated with the device. | |
3128 | * | |
3129 | * Returns 0 for success, non-zero for failure. | |
3130 | */ | |
3131 | int | |
3132 | mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, | |
3133 | Mpi2SasIoUnitControlReply_t *mpi_reply, | |
3134 | Mpi2SasIoUnitControlRequest_t *mpi_request) | |
3135 | { | |
3136 | u16 smid; | |
3137 | u32 ioc_state; | |
3138 | unsigned long timeleft; | |
3139 | u8 issue_reset; | |
3140 | int rc; | |
3141 | void *request; | |
3142 | u16 wait_state_count; | |
3143 | ||
eabb08ad | 3144 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3145 | __func__)); |
3146 | ||
3147 | mutex_lock(&ioc->base_cmds.mutex); | |
3148 | ||
3149 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3150 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3151 | ioc->name, __func__); | |
3152 | rc = -EAGAIN; | |
3153 | goto out; | |
3154 | } | |
3155 | ||
3156 | wait_state_count = 0; | |
3157 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3158 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3159 | if (wait_state_count++ == 10) { | |
3160 | printk(MPT2SAS_ERR_FMT | |
3161 | "%s: failed due to ioc not operational\n", | |
3162 | ioc->name, __func__); | |
3163 | rc = -EFAULT; | |
3164 | goto out; | |
3165 | } | |
3166 | ssleep(1); | |
3167 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3168 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3169 | "operational state(count=%d)\n", ioc->name, | |
3170 | __func__, wait_state_count); | |
3171 | } | |
3172 | ||
3173 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3174 | if (!smid) { | |
3175 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3176 | ioc->name, __func__); | |
3177 | rc = -EAGAIN; | |
3178 | goto out; | |
3179 | } | |
3180 | ||
3181 | rc = 0; | |
3182 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3183 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3184 | ioc->base_cmds.smid = smid; | |
3185 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3186 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
3187 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) | |
3188 | ioc->ioc_link_reset_in_progress = 1; | |
bcfb6e6e | 3189 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3190 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3191 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3192 | msecs_to_jiffies(10000)); | |
3193 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || | |
3194 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && | |
3195 | ioc->ioc_link_reset_in_progress) | |
3196 | ioc->ioc_link_reset_in_progress = 0; | |
3197 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3198 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3199 | ioc->name, __func__); | |
3200 | _debug_dump_mf(mpi_request, | |
3201 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); | |
3202 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
3203 | issue_reset = 1; | |
3204 | goto issue_host_reset; | |
3205 | } | |
3206 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3207 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3208 | sizeof(Mpi2SasIoUnitControlReply_t)); | |
3209 | else | |
3210 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
3211 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3212 | goto out; | |
3213 | ||
3214 | issue_host_reset: | |
3215 | if (issue_reset) | |
3216 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3217 | FORCE_BIG_HAMMER); | |
3218 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3219 | rc = -EFAULT; | |
3220 | out: | |
3221 | mutex_unlock(&ioc->base_cmds.mutex); | |
3222 | return rc; | |
3223 | } | |
3224 | ||
3225 | ||
3226 | /** | |
3227 | * mpt2sas_base_scsi_enclosure_processor - sending request to sep device | |
3228 | * @ioc: per adapter object | |
3229 | * @mpi_reply: the reply payload from FW | |
3230 | * @mpi_request: the request payload sent to FW | |
3231 | * | |
3232 | * The SCSI Enclosure Processor request message causes the IOC to | |
3233 | * communicate with SES devices to control LED status signals. | |
3234 | * | |
3235 | * Returns 0 for success, non-zero for failure. | |
3236 | */ | |
3237 | int | |
3238 | mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, | |
3239 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) | |
3240 | { | |
3241 | u16 smid; | |
3242 | u32 ioc_state; | |
3243 | unsigned long timeleft; | |
3244 | u8 issue_reset; | |
3245 | int rc; | |
3246 | void *request; | |
3247 | u16 wait_state_count; | |
3248 | ||
eabb08ad | 3249 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3250 | __func__)); |
3251 | ||
3252 | mutex_lock(&ioc->base_cmds.mutex); | |
3253 | ||
3254 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { | |
3255 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", | |
3256 | ioc->name, __func__); | |
3257 | rc = -EAGAIN; | |
3258 | goto out; | |
3259 | } | |
3260 | ||
3261 | wait_state_count = 0; | |
3262 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3263 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3264 | if (wait_state_count++ == 10) { | |
3265 | printk(MPT2SAS_ERR_FMT | |
3266 | "%s: failed due to ioc not operational\n", | |
3267 | ioc->name, __func__); | |
3268 | rc = -EFAULT; | |
3269 | goto out; | |
3270 | } | |
3271 | ssleep(1); | |
3272 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
3273 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
3274 | "operational state(count=%d)\n", ioc->name, | |
3275 | __func__, wait_state_count); | |
3276 | } | |
3277 | ||
3278 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3279 | if (!smid) { | |
3280 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3281 | ioc->name, __func__); | |
3282 | rc = -EAGAIN; | |
3283 | goto out; | |
3284 | } | |
3285 | ||
3286 | rc = 0; | |
3287 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3288 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3289 | ioc->base_cmds.smid = smid; | |
3290 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); | |
bcfb6e6e | 3291 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3292 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3293 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
3294 | msecs_to_jiffies(10000)); | |
3295 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3296 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3297 | ioc->name, __func__); | |
3298 | _debug_dump_mf(mpi_request, | |
3299 | sizeof(Mpi2SepRequest_t)/4); | |
3300 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) | |
3301 | issue_reset = 1; | |
3302 | goto issue_host_reset; | |
3303 | } | |
3304 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) | |
3305 | memcpy(mpi_reply, ioc->base_cmds.reply, | |
3306 | sizeof(Mpi2SepReply_t)); | |
3307 | else | |
3308 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); | |
3309 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3310 | goto out; | |
3311 | ||
3312 | issue_host_reset: | |
3313 | if (issue_reset) | |
3314 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
3315 | FORCE_BIG_HAMMER); | |
3316 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3317 | rc = -EFAULT; | |
3318 | out: | |
3319 | mutex_unlock(&ioc->base_cmds.mutex); | |
3320 | return rc; | |
3321 | } | |
3322 | ||
3323 | /** | |
3324 | * _base_get_port_facts - obtain port facts reply and save in ioc | |
3325 | * @ioc: per adapter object | |
3326 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3327 | * | |
3328 | * Returns 0 for success, non-zero for failure. | |
3329 | */ | |
3330 | static int | |
3331 | _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) | |
3332 | { | |
3333 | Mpi2PortFactsRequest_t mpi_request; | |
c97951ec KD |
3334 | Mpi2PortFactsReply_t mpi_reply; |
3335 | struct mpt2sas_port_facts *pfacts; | |
635374e7 EM |
3336 | int mpi_reply_sz, mpi_request_sz, r; |
3337 | ||
eabb08ad | 3338 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3339 | __func__)); |
3340 | ||
3341 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); | |
3342 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); | |
3343 | memset(&mpi_request, 0, mpi_request_sz); | |
3344 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; | |
3345 | mpi_request.PortNumber = port; | |
3346 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3347 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3348 | ||
3349 | if (r != 0) { | |
3350 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3351 | ioc->name, __func__, r); | |
3352 | return r; | |
3353 | } | |
3354 | ||
3355 | pfacts = &ioc->pfacts[port]; | |
3356 | memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t)); | |
3357 | pfacts->PortNumber = mpi_reply.PortNumber; | |
3358 | pfacts->VP_ID = mpi_reply.VP_ID; | |
3359 | pfacts->VF_ID = mpi_reply.VF_ID; | |
3360 | pfacts->MaxPostedCmdBuffers = | |
3361 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); | |
3362 | ||
3363 | return 0; | |
3364 | } | |
3365 | ||
3366 | /** | |
3367 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc | |
3368 | * @ioc: per adapter object | |
3369 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3370 | * | |
3371 | * Returns 0 for success, non-zero for failure. | |
3372 | */ | |
3373 | static int | |
3374 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3375 | { | |
3376 | Mpi2IOCFactsRequest_t mpi_request; | |
c97951ec KD |
3377 | Mpi2IOCFactsReply_t mpi_reply; |
3378 | struct mpt2sas_facts *facts; | |
635374e7 EM |
3379 | int mpi_reply_sz, mpi_request_sz, r; |
3380 | ||
eabb08ad | 3381 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3382 | __func__)); |
3383 | ||
3384 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); | |
3385 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); | |
3386 | memset(&mpi_request, 0, mpi_request_sz); | |
3387 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; | |
3388 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, | |
3389 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); | |
3390 | ||
3391 | if (r != 0) { | |
3392 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3393 | ioc->name, __func__, r); | |
3394 | return r; | |
3395 | } | |
3396 | ||
3397 | facts = &ioc->facts; | |
3398 | memset(facts, 0, sizeof(Mpi2IOCFactsReply_t)); | |
3399 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); | |
3400 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); | |
3401 | facts->VP_ID = mpi_reply.VP_ID; | |
3402 | facts->VF_ID = mpi_reply.VF_ID; | |
3403 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); | |
3404 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; | |
3405 | facts->WhoInit = mpi_reply.WhoInit; | |
3406 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; | |
911ae943 | 3407 | facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; |
635374e7 EM |
3408 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); |
3409 | facts->MaxReplyDescriptorPostQueueDepth = | |
3410 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); | |
3411 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); | |
3412 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); | |
3413 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) | |
3414 | ioc->ir_firmware = 1; | |
3415 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); | |
3416 | facts->IOCRequestFrameSize = | |
3417 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); | |
3418 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); | |
3419 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); | |
3420 | ioc->shost->max_id = -1; | |
3421 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); | |
3422 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); | |
3423 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); | |
3424 | facts->HighPriorityCredit = | |
3425 | le16_to_cpu(mpi_reply.HighPriorityCredit); | |
3426 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; | |
3427 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); | |
3428 | ||
3429 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " | |
3430 | "max chains per io(%d)\n", ioc->name, facts->RequestCredit, | |
3431 | facts->MaxChainDepth)); | |
3432 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " | |
3433 | "reply frame size(%d)\n", ioc->name, | |
3434 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); | |
3435 | return 0; | |
3436 | } | |
3437 | ||
3438 | /** | |
3439 | * _base_send_ioc_init - send ioc_init to firmware | |
3440 | * @ioc: per adapter object | |
635374e7 EM |
3441 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3442 | * | |
3443 | * Returns 0 for success, non-zero for failure. | |
3444 | */ | |
3445 | static int | |
7b936b02 | 3446 | _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3447 | { |
3448 | Mpi2IOCInitRequest_t mpi_request; | |
3449 | Mpi2IOCInitReply_t mpi_reply; | |
3450 | int r; | |
a8ebd76c | 3451 | struct timeval current_time; |
463217bf | 3452 | u16 ioc_status; |
635374e7 | 3453 | |
eabb08ad | 3454 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3455 | __func__)); |
3456 | ||
3457 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); | |
3458 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; | |
3459 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
7b936b02 KD |
3460 | mpi_request.VF_ID = 0; /* TODO */ |
3461 | mpi_request.VP_ID = 0; | |
635374e7 EM |
3462 | mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); |
3463 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
3464 | ||
911ae943 | 3465 | if (_base_is_controller_msix_enabled(ioc)) |
3466 | mpi_request.HostMSIxVectors = ioc->reply_queue_count; | |
635374e7 EM |
3467 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); |
3468 | mpi_request.ReplyDescriptorPostQueueDepth = | |
3469 | cpu_to_le16(ioc->reply_post_queue_depth); | |
3470 | mpi_request.ReplyFreeQueueDepth = | |
3471 | cpu_to_le16(ioc->reply_free_queue_depth); | |
3472 | ||
635374e7 | 3473 | mpi_request.SenseBufferAddressHigh = |
c97951ec | 3474 | cpu_to_le32((u64)ioc->sense_dma >> 32); |
635374e7 | 3475 | mpi_request.SystemReplyAddressHigh = |
c97951ec | 3476 | cpu_to_le32((u64)ioc->reply_dma >> 32); |
635374e7 | 3477 | mpi_request.SystemRequestFrameBaseAddress = |
c97951ec | 3478 | cpu_to_le64((u64)ioc->request_dma); |
635374e7 | 3479 | mpi_request.ReplyFreeQueueAddress = |
c97951ec | 3480 | cpu_to_le64((u64)ioc->reply_free_dma); |
635374e7 | 3481 | mpi_request.ReplyDescriptorPostQueueAddress = |
c97951ec KD |
3482 | cpu_to_le64((u64)ioc->reply_post_free_dma); |
3483 | ||
635374e7 | 3484 | |
a8ebd76c KD |
3485 | /* This time stamp specifies number of milliseconds |
3486 | * since epoch ~ midnight January 1, 1970. | |
3487 | */ | |
3488 | do_gettimeofday(¤t_time); | |
7921b35c KD |
3489 | mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + |
3490 | (current_time.tv_usec / 1000)); | |
a8ebd76c | 3491 | |
635374e7 | 3492 | if (ioc->logging_level & MPT_DEBUG_INIT) { |
c97951ec | 3493 | __le32 *mfp; |
635374e7 EM |
3494 | int i; |
3495 | ||
c97951ec | 3496 | mfp = (__le32 *)&mpi_request; |
eabb08ad | 3497 | printk(KERN_INFO "\toffset:data\n"); |
635374e7 | 3498 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) |
eabb08ad | 3499 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
635374e7 EM |
3500 | le32_to_cpu(mfp[i])); |
3501 | } | |
3502 | ||
3503 | r = _base_handshake_req_reply_wait(ioc, | |
3504 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, | |
3505 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, | |
3506 | sleep_flag); | |
3507 | ||
3508 | if (r != 0) { | |
3509 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", | |
3510 | ioc->name, __func__, r); | |
3511 | return r; | |
3512 | } | |
3513 | ||
463217bf KD |
3514 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
3515 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS || | |
635374e7 EM |
3516 | mpi_reply.IOCLogInfo) { |
3517 | printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); | |
3518 | r = -EIO; | |
3519 | } | |
3520 | ||
3521 | return 0; | |
3522 | } | |
3523 | ||
921cd802 | 3524 | /** |
3525 | * mpt2sas_port_enable_done - command completion routine for port enable | |
3526 | * @ioc: per adapter object | |
3527 | * @smid: system request message index | |
3528 | * @msix_index: MSIX table index supplied by the OS | |
3529 | * @reply: reply message frame(lower 32bit addr) | |
3530 | * | |
3531 | * Return 1 meaning mf should be freed from _base_interrupt | |
3532 | * 0 means the mf is freed from this function. | |
3533 | */ | |
3534 | u8 | |
3535 | mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
3536 | u32 reply) | |
3537 | { | |
3538 | MPI2DefaultReply_t *mpi_reply; | |
3539 | u16 ioc_status; | |
3540 | ||
3541 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3542 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) | |
3543 | return 1; | |
3544 | ||
3545 | if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) | |
3546 | return 1; | |
3547 | ||
3548 | ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; | |
3549 | if (mpi_reply) { | |
3550 | ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; | |
3551 | memcpy(ioc->port_enable_cmds.reply, mpi_reply, | |
3552 | mpi_reply->MsgLength*4); | |
3553 | } | |
3554 | ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; | |
3555 | ||
3556 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
3557 | ||
3558 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
3559 | ioc->port_enable_failed = 1; | |
3560 | ||
3561 | if (ioc->is_driver_loading) { | |
3562 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
3563 | mpt2sas_port_enable_complete(ioc); | |
3564 | return 1; | |
3565 | } else { | |
3566 | ioc->start_scan_failed = ioc_status; | |
3567 | ioc->start_scan = 0; | |
3568 | return 1; | |
3569 | } | |
3570 | } | |
3571 | complete(&ioc->port_enable_cmds.done); | |
3572 | return 1; | |
3573 | } | |
3574 | ||
3575 | ||
635374e7 EM |
3576 | /** |
3577 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware | |
3578 | * @ioc: per adapter object | |
635374e7 EM |
3579 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3580 | * | |
3581 | * Returns 0 for success, non-zero for failure. | |
3582 | */ | |
3583 | static int | |
7b936b02 | 3584 | _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3585 | { |
3586 | Mpi2PortEnableRequest_t *mpi_request; | |
921cd802 | 3587 | Mpi2PortEnableReply_t *mpi_reply; |
635374e7 EM |
3588 | unsigned long timeleft; |
3589 | int r = 0; | |
3590 | u16 smid; | |
921cd802 | 3591 | u16 ioc_status; |
635374e7 EM |
3592 | |
3593 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3594 | ||
921cd802 | 3595 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
635374e7 EM |
3596 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", |
3597 | ioc->name, __func__); | |
3598 | return -EAGAIN; | |
3599 | } | |
3600 | ||
921cd802 | 3601 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); |
635374e7 EM |
3602 | if (!smid) { |
3603 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3604 | ioc->name, __func__); | |
3605 | return -EAGAIN; | |
3606 | } | |
3607 | ||
921cd802 | 3608 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; |
635374e7 | 3609 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
921cd802 | 3610 | ioc->port_enable_cmds.smid = smid; |
635374e7 EM |
3611 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); |
3612 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
635374e7 | 3613 | |
921cd802 | 3614 | init_completion(&ioc->port_enable_cmds.done); |
7b936b02 | 3615 | mpt2sas_base_put_smid_default(ioc, smid); |
921cd802 | 3616 | timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, |
635374e7 | 3617 | 300*HZ); |
921cd802 | 3618 | if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { |
635374e7 EM |
3619 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
3620 | ioc->name, __func__); | |
3621 | _debug_dump_mf(mpi_request, | |
3622 | sizeof(Mpi2PortEnableRequest_t)/4); | |
921cd802 | 3623 | if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) |
635374e7 EM |
3624 | r = -EFAULT; |
3625 | else | |
3626 | r = -ETIME; | |
3627 | goto out; | |
921cd802 | 3628 | } |
3629 | mpi_reply = ioc->port_enable_cmds.reply; | |
635374e7 | 3630 | |
921cd802 | 3631 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; |
3632 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3633 | printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", | |
3634 | ioc->name, __func__, ioc_status); | |
635374e7 | 3635 | r = -EFAULT; |
921cd802 | 3636 | goto out; |
635374e7 EM |
3637 | } |
3638 | out: | |
921cd802 | 3639 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; |
3640 | printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? | |
3641 | "SUCCESS" : "FAILED")); | |
635374e7 EM |
3642 | return r; |
3643 | } | |
3644 | ||
921cd802 | 3645 | /** |
3646 | * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) | |
3647 | * @ioc: per adapter object | |
3648 | * | |
3649 | * Returns 0 for success, non-zero for failure. | |
3650 | */ | |
3651 | int | |
3652 | mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) | |
3653 | { | |
3654 | Mpi2PortEnableRequest_t *mpi_request; | |
3655 | u16 smid; | |
3656 | ||
3657 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); | |
3658 | ||
3659 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { | |
3660 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3661 | ioc->name, __func__); | |
3662 | return -EAGAIN; | |
3663 | } | |
3664 | ||
3665 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); | |
3666 | if (!smid) { | |
3667 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3668 | ioc->name, __func__); | |
3669 | return -EAGAIN; | |
3670 | } | |
3671 | ||
3672 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; | |
3673 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3674 | ioc->port_enable_cmds.smid = smid; | |
3675 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); | |
3676 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; | |
3677 | ||
3678 | mpt2sas_base_put_smid_default(ioc, smid); | |
3679 | return 0; | |
3680 | } | |
3681 | ||
3682 | /** | |
3683 | * _base_determine_wait_on_discovery - desposition | |
3684 | * @ioc: per adapter object | |
3685 | * | |
3686 | * Decide whether to wait on discovery to complete. Used to either | |
3687 | * locate boot device, or report volumes ahead of physical devices. | |
3688 | * | |
3689 | * Returns 1 for wait, 0 for don't wait | |
3690 | */ | |
3691 | static int | |
3692 | _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) | |
3693 | { | |
3694 | /* We wait for discovery to complete if IR firmware is loaded. | |
3695 | * The sas topology events arrive before PD events, so we need time to | |
3696 | * turn on the bit in ioc->pd_handles to indicate PD | |
3697 | * Also, it maybe required to report Volumes ahead of physical | |
3698 | * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. | |
3699 | */ | |
3700 | if (ioc->ir_firmware) | |
3701 | return 1; | |
3702 | ||
3703 | /* if no Bios, then we don't need to wait */ | |
3704 | if (!ioc->bios_pg3.BiosVersion) | |
3705 | return 0; | |
3706 | ||
3707 | /* Bios is present, then we drop down here. | |
3708 | * | |
3709 | * If there any entries in the Bios Page 2, then we wait | |
3710 | * for discovery to complete. | |
3711 | */ | |
3712 | ||
3713 | /* Current Boot Device */ | |
3714 | if ((ioc->bios_pg2.CurrentBootDeviceForm & | |
3715 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3716 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
3717 | /* Request Boot Device */ | |
3718 | (ioc->bios_pg2.ReqBootDeviceForm & | |
3719 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3720 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && | |
3721 | /* Alternate Request Boot Device */ | |
3722 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
3723 | MPI2_BIOSPAGE2_FORM_MASK) == | |
3724 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) | |
3725 | return 0; | |
3726 | ||
3727 | return 1; | |
3728 | } | |
3729 | ||
3730 | ||
635374e7 EM |
3731 | /** |
3732 | * _base_unmask_events - turn on notification for this event | |
3733 | * @ioc: per adapter object | |
3734 | * @event: firmware event | |
3735 | * | |
3736 | * The mask is stored in ioc->event_masks. | |
3737 | */ | |
3738 | static void | |
3739 | _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
3740 | { | |
3741 | u32 desired_event; | |
3742 | ||
3743 | if (event >= 128) | |
3744 | return; | |
3745 | ||
3746 | desired_event = (1 << (event % 32)); | |
3747 | ||
3748 | if (event < 32) | |
3749 | ioc->event_masks[0] &= ~desired_event; | |
3750 | else if (event < 64) | |
3751 | ioc->event_masks[1] &= ~desired_event; | |
3752 | else if (event < 96) | |
3753 | ioc->event_masks[2] &= ~desired_event; | |
3754 | else if (event < 128) | |
3755 | ioc->event_masks[3] &= ~desired_event; | |
3756 | } | |
3757 | ||
3758 | /** | |
3759 | * _base_event_notification - send event notification | |
3760 | * @ioc: per adapter object | |
635374e7 EM |
3761 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
3762 | * | |
3763 | * Returns 0 for success, non-zero for failure. | |
3764 | */ | |
3765 | static int | |
7b936b02 | 3766 | _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
3767 | { |
3768 | Mpi2EventNotificationRequest_t *mpi_request; | |
3769 | unsigned long timeleft; | |
3770 | u16 smid; | |
3771 | int r = 0; | |
3772 | int i; | |
3773 | ||
eabb08ad | 3774 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3775 | __func__)); |
3776 | ||
3777 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
3778 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", | |
3779 | ioc->name, __func__); | |
3780 | return -EAGAIN; | |
3781 | } | |
3782 | ||
3783 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); | |
3784 | if (!smid) { | |
3785 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3786 | ioc->name, __func__); | |
3787 | return -EAGAIN; | |
3788 | } | |
3789 | ioc->base_cmds.status = MPT2_CMD_PENDING; | |
3790 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3791 | ioc->base_cmds.smid = smid; | |
3792 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); | |
3793 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
7b936b02 KD |
3794 | mpi_request->VF_ID = 0; /* TODO */ |
3795 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3796 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
3797 | mpi_request->EventMasks[i] = | |
e94f6747 | 3798 | cpu_to_le32(ioc->event_masks[i]); |
bcfb6e6e | 3799 | init_completion(&ioc->base_cmds.done); |
f01690d3 | 3800 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
3801 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); |
3802 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { | |
3803 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
3804 | ioc->name, __func__); | |
3805 | _debug_dump_mf(mpi_request, | |
3806 | sizeof(Mpi2EventNotificationRequest_t)/4); | |
3807 | if (ioc->base_cmds.status & MPT2_CMD_RESET) | |
3808 | r = -EFAULT; | |
3809 | else | |
3810 | r = -ETIME; | |
3811 | } else | |
eabb08ad | 3812 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", |
635374e7 EM |
3813 | ioc->name, __func__)); |
3814 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
3815 | return r; | |
3816 | } | |
3817 | ||
3818 | /** | |
3819 | * mpt2sas_base_validate_event_type - validating event types | |
3820 | * @ioc: per adapter object | |
3821 | * @event: firmware event | |
3822 | * | |
3823 | * This will turn on firmware event notification when application | |
3824 | * ask for that event. We don't mask events that are already enabled. | |
3825 | */ | |
3826 | void | |
3827 | mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) | |
3828 | { | |
3829 | int i, j; | |
3830 | u32 event_mask, desired_event; | |
3831 | u8 send_update_to_fw; | |
3832 | ||
3833 | for (i = 0, send_update_to_fw = 0; i < | |
3834 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { | |
3835 | event_mask = ~event_type[i]; | |
3836 | desired_event = 1; | |
3837 | for (j = 0; j < 32; j++) { | |
3838 | if (!(event_mask & desired_event) && | |
3839 | (ioc->event_masks[i] & desired_event)) { | |
3840 | ioc->event_masks[i] &= ~desired_event; | |
3841 | send_update_to_fw = 1; | |
3842 | } | |
3843 | desired_event = (desired_event << 1); | |
3844 | } | |
3845 | } | |
3846 | ||
3847 | if (!send_update_to_fw) | |
3848 | return; | |
3849 | ||
3850 | mutex_lock(&ioc->base_cmds.mutex); | |
7b936b02 | 3851 | _base_event_notification(ioc, CAN_SLEEP); |
635374e7 EM |
3852 | mutex_unlock(&ioc->base_cmds.mutex); |
3853 | } | |
3854 | ||
3855 | /** | |
3856 | * _base_diag_reset - the "big hammer" start of day reset | |
3857 | * @ioc: per adapter object | |
3858 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3859 | * | |
3860 | * Returns 0 for success, non-zero for failure. | |
3861 | */ | |
3862 | static int | |
3863 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
3864 | { | |
3865 | u32 host_diagnostic; | |
3866 | u32 ioc_state; | |
3867 | u32 count; | |
3868 | u32 hcb_size; | |
3869 | ||
3870 | printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); | |
eabb08ad | 3871 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", |
635374e7 | 3872 | ioc->name)); |
635374e7 EM |
3873 | |
3874 | count = 0; | |
3875 | do { | |
3876 | /* Write magic sequence to WriteSequence register | |
3877 | * Loop until in diagnostic mode | |
3878 | */ | |
eabb08ad | 3879 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " |
635374e7 EM |
3880 | "sequence\n", ioc->name)); |
3881 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3882 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); | |
3883 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); | |
3884 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); | |
3885 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3886 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3887 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3888 | ||
3889 | /* wait 100 msec */ | |
3890 | if (sleep_flag == CAN_SLEEP) | |
3891 | msleep(100); | |
3892 | else | |
3893 | mdelay(100); | |
3894 | ||
3895 | if (count++ > 20) | |
3896 | goto out; | |
3897 | ||
3898 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
eabb08ad | 3899 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " |
635374e7 EM |
3900 | "sequence: count(%d), host_diagnostic(0x%08x)\n", |
3901 | ioc->name, count, host_diagnostic)); | |
3902 | ||
3903 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); | |
3904 | ||
3905 | hcb_size = readl(&ioc->chip->HCBSize); | |
3906 | ||
eabb08ad | 3907 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", |
635374e7 EM |
3908 | ioc->name)); |
3909 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, | |
3910 | &ioc->chip->HostDiagnostic); | |
3911 | ||
3912 | /* don't access any registers for 50 milliseconds */ | |
3913 | msleep(50); | |
3914 | ||
3915 | /* 300 second max wait */ | |
3916 | for (count = 0; count < 3000000 ; count++) { | |
3917 | ||
3918 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); | |
3919 | ||
3920 | if (host_diagnostic == 0xFFFFFFFF) | |
3921 | goto out; | |
3922 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | |
3923 | break; | |
3924 | ||
3925 | /* wait 100 msec */ | |
3926 | if (sleep_flag == CAN_SLEEP) | |
3927 | msleep(1); | |
3928 | else | |
3929 | mdelay(1); | |
3930 | } | |
3931 | ||
3932 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { | |
3933 | ||
eabb08ad | 3934 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " |
635374e7 EM |
3935 | "assuming the HCB Address points to good F/W\n", |
3936 | ioc->name)); | |
3937 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; | |
3938 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; | |
3939 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); | |
3940 | ||
eabb08ad | 3941 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
3942 | "re-enable the HCDW\n", ioc->name)); |
3943 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, | |
3944 | &ioc->chip->HCBSize); | |
3945 | } | |
3946 | ||
eabb08ad | 3947 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", |
635374e7 EM |
3948 | ioc->name)); |
3949 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, | |
3950 | &ioc->chip->HostDiagnostic); | |
3951 | ||
eabb08ad | 3952 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " |
635374e7 EM |
3953 | "diagnostic register\n", ioc->name)); |
3954 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); | |
3955 | ||
eabb08ad | 3956 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " |
635374e7 EM |
3957 | "READY state\n", ioc->name)); |
3958 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, | |
3959 | sleep_flag); | |
3960 | if (ioc_state) { | |
3961 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " | |
3962 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); | |
3963 | goto out; | |
3964 | } | |
3965 | ||
635374e7 EM |
3966 | printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); |
3967 | return 0; | |
3968 | ||
3969 | out: | |
3970 | printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); | |
3971 | return -EFAULT; | |
3972 | } | |
3973 | ||
3974 | /** | |
3975 | * _base_make_ioc_ready - put controller in READY state | |
3976 | * @ioc: per adapter object | |
3977 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
3978 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
3979 | * | |
3980 | * Returns 0 for success, non-zero for failure. | |
3981 | */ | |
3982 | static int | |
3983 | _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
3984 | enum reset_type type) | |
3985 | { | |
3986 | u32 ioc_state; | |
d32a8c15 | 3987 | int rc; |
635374e7 | 3988 | |
eabb08ad | 3989 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
3990 | __func__)); |
3991 | ||
3cb5469a EM |
3992 | if (ioc->pci_error_recovery) |
3993 | return 0; | |
3994 | ||
635374e7 | 3995 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
eabb08ad | 3996 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", |
635374e7 EM |
3997 | ioc->name, __func__, ioc_state)); |
3998 | ||
3999 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) | |
4000 | return 0; | |
4001 | ||
4002 | if (ioc_state & MPI2_DOORBELL_USED) { | |
eabb08ad | 4003 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
635374e7 EM |
4004 | "active!\n", ioc->name)); |
4005 | goto issue_diag_reset; | |
4006 | } | |
4007 | ||
4008 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
4009 | mpt2sas_base_fault_info(ioc, ioc_state & | |
4010 | MPI2_DOORBELL_DATA_MASK); | |
4011 | goto issue_diag_reset; | |
4012 | } | |
4013 | ||
4014 | if (type == FORCE_BIG_HAMMER) | |
4015 | goto issue_diag_reset; | |
4016 | ||
4017 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) | |
4018 | if (!(_base_send_ioc_reset(ioc, | |
d32a8c15 KD |
4019 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { |
4020 | ioc->ioc_reset_count++; | |
635374e7 | 4021 | return 0; |
d32a8c15 | 4022 | } |
635374e7 EM |
4023 | |
4024 | issue_diag_reset: | |
d32a8c15 KD |
4025 | rc = _base_diag_reset(ioc, CAN_SLEEP); |
4026 | ioc->ioc_reset_count++; | |
4027 | return rc; | |
635374e7 EM |
4028 | } |
4029 | ||
4030 | /** | |
4031 | * _base_make_ioc_operational - put controller in OPERATIONAL state | |
4032 | * @ioc: per adapter object | |
635374e7 EM |
4033 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
4034 | * | |
4035 | * Returns 0 for success, non-zero for failure. | |
4036 | */ | |
4037 | static int | |
7b936b02 | 4038 | _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
635374e7 EM |
4039 | { |
4040 | int r, i; | |
4041 | unsigned long flags; | |
4042 | u32 reply_address; | |
595bb0bd | 4043 | u16 smid; |
77e63ed4 | 4044 | struct _tr_list *delayed_tr, *delayed_tr_next; |
0bdccdb0 | 4045 | u8 hide_flag; |
911ae943 | 4046 | struct adapter_reply_queue *reply_q; |
4047 | long reply_post_free; | |
4048 | u32 reply_post_free_sz; | |
635374e7 | 4049 | |
eabb08ad | 4050 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4051 | __func__)); |
4052 | ||
77e63ed4 KD |
4053 | /* clean the delayed target reset list */ |
4054 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, | |
4055 | &ioc->delayed_tr_list, list) { | |
4056 | list_del(&delayed_tr->list); | |
4057 | kfree(delayed_tr); | |
4058 | } | |
4059 | ||
f3eedd69 KD |
4060 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, |
4061 | &ioc->delayed_tr_volume_list, list) { | |
4062 | list_del(&delayed_tr->list); | |
4063 | kfree(delayed_tr); | |
4064 | } | |
4065 | ||
635374e7 EM |
4066 | /* initialize the scsi lookup free list */ |
4067 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
4068 | INIT_LIST_HEAD(&ioc->free_list); | |
595bb0bd KD |
4069 | smid = 1; |
4070 | for (i = 0; i < ioc->scsiio_depth; i++, smid++) { | |
35f805b5 | 4071 | INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); |
635374e7 | 4072 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
595bb0bd KD |
4073 | ioc->scsi_lookup[i].smid = smid; |
4074 | ioc->scsi_lookup[i].scmd = NULL; | |
0bdccdb0 | 4075 | ioc->scsi_lookup[i].direct_io = 0; |
635374e7 EM |
4076 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
4077 | &ioc->free_list); | |
4078 | } | |
595bb0bd KD |
4079 | |
4080 | /* hi-priority queue */ | |
4081 | INIT_LIST_HEAD(&ioc->hpr_free_list); | |
4082 | smid = ioc->hi_priority_smid; | |
4083 | for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { | |
4084 | ioc->hpr_lookup[i].cb_idx = 0xFF; | |
4085 | ioc->hpr_lookup[i].smid = smid; | |
4086 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, | |
4087 | &ioc->hpr_free_list); | |
4088 | } | |
4089 | ||
4090 | /* internal queue */ | |
4091 | INIT_LIST_HEAD(&ioc->internal_free_list); | |
4092 | smid = ioc->internal_smid; | |
4093 | for (i = 0; i < ioc->internal_depth; i++, smid++) { | |
4094 | ioc->internal_lookup[i].cb_idx = 0xFF; | |
4095 | ioc->internal_lookup[i].smid = smid; | |
4096 | list_add_tail(&ioc->internal_lookup[i].tracker_list, | |
4097 | &ioc->internal_free_list); | |
4098 | } | |
35f805b5 KD |
4099 | |
4100 | /* chain pool */ | |
4101 | INIT_LIST_HEAD(&ioc->free_chain_list); | |
4102 | for (i = 0; i < ioc->chain_depth; i++) | |
4103 | list_add_tail(&ioc->chain_lookup[i].tracker_list, | |
4104 | &ioc->free_chain_list); | |
4105 | ||
635374e7 EM |
4106 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
4107 | ||
4108 | /* initialize Reply Free Queue */ | |
4109 | for (i = 0, reply_address = (u32)ioc->reply_dma ; | |
4110 | i < ioc->reply_free_queue_depth ; i++, reply_address += | |
4111 | ioc->reply_sz) | |
4112 | ioc->reply_free[i] = cpu_to_le32(reply_address); | |
4113 | ||
911ae943 | 4114 | /* initialize reply queues */ |
4115 | _base_assign_reply_queues(ioc); | |
4116 | ||
635374e7 | 4117 | /* initialize Reply Post Free Queue */ |
911ae943 | 4118 | reply_post_free = (long)ioc->reply_post_free; |
4119 | reply_post_free_sz = ioc->reply_post_queue_depth * | |
4120 | sizeof(Mpi2DefaultReplyDescriptor_t); | |
4121 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
4122 | reply_q->reply_post_host_index = 0; | |
4123 | reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) | |
4124 | reply_post_free; | |
4125 | for (i = 0; i < ioc->reply_post_queue_depth; i++) | |
4126 | reply_q->reply_post_free[i].Words = | |
4127 | cpu_to_le64(ULLONG_MAX); | |
4128 | if (!_base_is_controller_msix_enabled(ioc)) | |
4129 | goto skip_init_reply_post_free_queue; | |
4130 | reply_post_free += reply_post_free_sz; | |
4131 | } | |
4132 | skip_init_reply_post_free_queue: | |
635374e7 | 4133 | |
7b936b02 | 4134 | r = _base_send_ioc_init(ioc, sleep_flag); |
635374e7 EM |
4135 | if (r) |
4136 | return r; | |
4137 | ||
911ae943 | 4138 | /* initialize reply free host index */ |
635374e7 | 4139 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; |
635374e7 | 4140 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); |
911ae943 | 4141 | |
4142 | /* initialize reply post host index */ | |
4143 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { | |
4144 | writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, | |
4145 | &ioc->chip->ReplyPostHostIndex); | |
4146 | if (!_base_is_controller_msix_enabled(ioc)) | |
4147 | goto skip_init_reply_post_host_index; | |
4148 | } | |
4149 | ||
4150 | skip_init_reply_post_host_index: | |
635374e7 EM |
4151 | |
4152 | _base_unmask_interrupts(ioc); | |
921cd802 | 4153 | |
7b936b02 | 4154 | r = _base_event_notification(ioc, sleep_flag); |
635374e7 EM |
4155 | if (r) |
4156 | return r; | |
4157 | ||
4158 | if (sleep_flag == CAN_SLEEP) | |
4159 | _base_static_config_pages(ioc); | |
4160 | ||
921cd802 | 4161 | |
4162 | if (ioc->is_driver_loading) { | |
4163 | ||
4164 | ||
4165 | ||
4166 | ioc->wait_for_discovery_to_complete = | |
4167 | _base_determine_wait_on_discovery(ioc); | |
4168 | return r; /* scan_start and scan_finished support */ | |
4169 | } | |
4170 | ||
4171 | ||
4172 | if (ioc->wait_for_discovery_to_complete && ioc->is_warpdrive) { | |
0bdccdb0 KD |
4173 | if (ioc->manu_pg10.OEMIdentifier == 0x80) { |
4174 | hide_flag = (u8) (ioc->manu_pg10.OEMSpecificFlags0 & | |
4175 | MFG_PAGE10_HIDE_SSDS_MASK); | |
4176 | if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) | |
4177 | ioc->mfg_pg10_hide_flag = hide_flag; | |
4178 | } | |
4179 | } | |
4180 | ||
7b936b02 | 4181 | r = _base_send_port_enable(ioc, sleep_flag); |
635374e7 EM |
4182 | if (r) |
4183 | return r; | |
4184 | ||
4185 | return r; | |
4186 | } | |
4187 | ||
4188 | /** | |
4189 | * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) | |
4190 | * @ioc: per adapter object | |
4191 | * | |
4192 | * Return nothing. | |
4193 | */ | |
4194 | void | |
4195 | mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) | |
4196 | { | |
4197 | struct pci_dev *pdev = ioc->pdev; | |
4198 | ||
eabb08ad | 4199 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4200 | __func__)); |
4201 | ||
4202 | _base_mask_interrupts(ioc); | |
6558bbb1 | 4203 | ioc->shost_recovery = 1; |
635374e7 | 4204 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
6558bbb1 | 4205 | ioc->shost_recovery = 0; |
911ae943 | 4206 | _base_free_irq(ioc); |
635374e7 EM |
4207 | _base_disable_msix(ioc); |
4208 | if (ioc->chip_phys) | |
4209 | iounmap(ioc->chip); | |
635374e7 EM |
4210 | ioc->chip_phys = 0; |
4211 | pci_release_selected_regions(ioc->pdev, ioc->bars); | |
ef7c80c1 | 4212 | pci_disable_pcie_error_reporting(pdev); |
635374e7 | 4213 | pci_disable_device(pdev); |
635374e7 EM |
4214 | return; |
4215 | } | |
4216 | ||
4217 | /** | |
4218 | * mpt2sas_base_attach - attach controller instance | |
4219 | * @ioc: per adapter object | |
4220 | * | |
4221 | * Returns 0 for success, non-zero for failure. | |
4222 | */ | |
4223 | int | |
4224 | mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) | |
4225 | { | |
4226 | int r, i; | |
911ae943 | 4227 | int cpu_id, last_cpu_id = 0; |
635374e7 | 4228 | |
eabb08ad | 4229 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4230 | __func__)); |
4231 | ||
911ae943 | 4232 | /* setup cpu_msix_table */ |
4233 | ioc->cpu_count = num_online_cpus(); | |
4234 | for_each_online_cpu(cpu_id) | |
4235 | last_cpu_id = cpu_id; | |
4236 | ioc->cpu_msix_table_sz = last_cpu_id + 1; | |
4237 | ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); | |
4238 | ioc->reply_queue_count = 1; | |
4239 | if (!ioc->cpu_msix_table) { | |
4240 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " | |
4241 | "cpu_msix_table failed!!!\n", ioc->name)); | |
4242 | r = -ENOMEM; | |
4243 | goto out_free_resources; | |
4244 | } | |
4245 | ||
4246 | if (ioc->is_warpdrive) { | |
4247 | ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, | |
4248 | sizeof(resource_size_t *), GFP_KERNEL); | |
4249 | if (!ioc->reply_post_host_index) { | |
4250 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " | |
4251 | "for cpu_msix_table failed!!!\n", ioc->name)); | |
4252 | r = -ENOMEM; | |
4253 | goto out_free_resources; | |
4254 | } | |
4255 | } | |
4256 | ||
635374e7 EM |
4257 | r = mpt2sas_base_map_resources(ioc); |
4258 | if (r) | |
c24a1710 | 4259 | goto out_free_resources; |
635374e7 | 4260 | |
911ae943 | 4261 | if (ioc->is_warpdrive) { |
4262 | ioc->reply_post_host_index[0] = | |
4263 | (resource_size_t *)&ioc->chip->ReplyPostHostIndex; | |
4264 | ||
4265 | for (i = 1; i < ioc->cpu_msix_table_sz; i++) | |
4266 | ioc->reply_post_host_index[i] = (resource_size_t *) | |
4267 | ((u8 *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) | |
4268 | * 4))); | |
4269 | } | |
4270 | ||
fcfe6392 | 4271 | pci_set_drvdata(ioc->pdev, ioc->shost); |
96b681c6 | 4272 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); |
635374e7 EM |
4273 | if (r) |
4274 | goto out_free_resources; | |
4275 | ||
96b681c6 | 4276 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
635374e7 EM |
4277 | if (r) |
4278 | goto out_free_resources; | |
4279 | ||
595bb0bd KD |
4280 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, |
4281 | sizeof(Mpi2PortFactsReply_t), GFP_KERNEL); | |
f6aee7b9 KD |
4282 | if (!ioc->pfacts) { |
4283 | r = -ENOMEM; | |
595bb0bd | 4284 | goto out_free_resources; |
f6aee7b9 | 4285 | } |
595bb0bd KD |
4286 | |
4287 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { | |
4288 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); | |
4289 | if (r) | |
4290 | goto out_free_resources; | |
4291 | } | |
4292 | ||
635374e7 EM |
4293 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); |
4294 | if (r) | |
4295 | goto out_free_resources; | |
4296 | ||
4297 | init_waitqueue_head(&ioc->reset_wq); | |
4298 | ||
f3eedd69 KD |
4299 | /* allocate memory pd handle bitmask list */ |
4300 | ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); | |
4301 | if (ioc->facts.MaxDevHandle % 8) | |
4302 | ioc->pd_handles_sz++; | |
4303 | ioc->pd_handles = kzalloc(ioc->pd_handles_sz, | |
4304 | GFP_KERNEL); | |
3e2e833a KD |
4305 | if (!ioc->pd_handles) { |
4306 | r = -ENOMEM; | |
f3eedd69 | 4307 | goto out_free_resources; |
3e2e833a | 4308 | } |
f3eedd69 | 4309 | |
e75b9b6d KD |
4310 | ioc->fwfault_debug = mpt2sas_fwfault_debug; |
4311 | ||
635374e7 EM |
4312 | /* base internal command bits */ |
4313 | mutex_init(&ioc->base_cmds.mutex); | |
635374e7 EM |
4314 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
4315 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; | |
4316 | ||
921cd802 | 4317 | /* port_enable command bits */ |
4318 | ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4319 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; | |
4320 | ||
635374e7 EM |
4321 | /* transport internal command bits */ |
4322 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4323 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
4324 | mutex_init(&ioc->transport_cmds.mutex); | |
635374e7 | 4325 | |
d685c262 KD |
4326 | /* scsih internal command bits */ |
4327 | ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4328 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
4329 | mutex_init(&ioc->scsih_cmds.mutex); | |
4330 | ||
635374e7 EM |
4331 | /* task management internal command bits */ |
4332 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4333 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
4334 | mutex_init(&ioc->tm_cmds.mutex); | |
635374e7 EM |
4335 | |
4336 | /* config page internal command bits */ | |
4337 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
4338 | ioc->config_cmds.status = MPT2_CMD_NOT_USED; | |
4339 | mutex_init(&ioc->config_cmds.mutex); | |
635374e7 EM |
4340 | |
4341 | /* ctl module internal command bits */ | |
4342 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); | |
769578ff | 4343 | ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); |
635374e7 EM |
4344 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
4345 | mutex_init(&ioc->ctl_cmds.mutex); | |
635374e7 | 4346 | |
f6aee7b9 KD |
4347 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
4348 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
769578ff KD |
4349 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || |
4350 | !ioc->ctl_cmds.sense) { | |
f6aee7b9 KD |
4351 | r = -ENOMEM; |
4352 | goto out_free_resources; | |
4353 | } | |
4354 | ||
3e2e833a KD |
4355 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
4356 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || | |
4357 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { | |
4358 | r = -ENOMEM; | |
4359 | goto out_free_resources; | |
4360 | } | |
4361 | ||
635374e7 EM |
4362 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
4363 | ioc->event_masks[i] = -1; | |
4364 | ||
4365 | /* here we enable the events we care about */ | |
4366 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); | |
4367 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); | |
4368 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); | |
4369 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
4370 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); | |
4371 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); | |
4372 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); | |
4373 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); | |
4374 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); | |
635374e7 | 4375 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); |
7b936b02 | 4376 | r = _base_make_ioc_operational(ioc, CAN_SLEEP); |
635374e7 EM |
4377 | if (r) |
4378 | goto out_free_resources; | |
4379 | ||
6cb8ef57 KD |
4380 | if (missing_delay[0] != -1 && missing_delay[1] != -1) |
4381 | _base_update_missing_delay(ioc, missing_delay[0], | |
4382 | missing_delay[1]); | |
4383 | ||
635374e7 EM |
4384 | return 0; |
4385 | ||
4386 | out_free_resources: | |
4387 | ||
4388 | ioc->remove_host = 1; | |
4389 | mpt2sas_base_free_resources(ioc); | |
4390 | _base_release_memory_pools(ioc); | |
fcfe6392 | 4391 | pci_set_drvdata(ioc->pdev, NULL); |
911ae943 | 4392 | kfree(ioc->cpu_msix_table); |
4393 | if (ioc->is_warpdrive) | |
4394 | kfree(ioc->reply_post_host_index); | |
f3eedd69 | 4395 | kfree(ioc->pd_handles); |
635374e7 EM |
4396 | kfree(ioc->tm_cmds.reply); |
4397 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 4398 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
4399 | kfree(ioc->config_cmds.reply); |
4400 | kfree(ioc->base_cmds.reply); | |
921cd802 | 4401 | kfree(ioc->port_enable_cmds.reply); |
635374e7 | 4402 | kfree(ioc->ctl_cmds.reply); |
769578ff | 4403 | kfree(ioc->ctl_cmds.sense); |
635374e7 EM |
4404 | kfree(ioc->pfacts); |
4405 | ioc->ctl_cmds.reply = NULL; | |
4406 | ioc->base_cmds.reply = NULL; | |
4407 | ioc->tm_cmds.reply = NULL; | |
e94f6747 | 4408 | ioc->scsih_cmds.reply = NULL; |
635374e7 EM |
4409 | ioc->transport_cmds.reply = NULL; |
4410 | ioc->config_cmds.reply = NULL; | |
4411 | ioc->pfacts = NULL; | |
4412 | return r; | |
4413 | } | |
4414 | ||
4415 | ||
4416 | /** | |
4417 | * mpt2sas_base_detach - remove controller instance | |
4418 | * @ioc: per adapter object | |
4419 | * | |
4420 | * Return nothing. | |
4421 | */ | |
4422 | void | |
4423 | mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) | |
4424 | { | |
635374e7 | 4425 | |
eabb08ad | 4426 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
4427 | __func__)); |
4428 | ||
e4750c98 | 4429 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
4430 | mpt2sas_base_free_resources(ioc); |
4431 | _base_release_memory_pools(ioc); | |
fcfe6392 | 4432 | pci_set_drvdata(ioc->pdev, NULL); |
911ae943 | 4433 | kfree(ioc->cpu_msix_table); |
4434 | if (ioc->is_warpdrive) | |
4435 | kfree(ioc->reply_post_host_index); | |
f3eedd69 | 4436 | kfree(ioc->pd_handles); |
635374e7 EM |
4437 | kfree(ioc->pfacts); |
4438 | kfree(ioc->ctl_cmds.reply); | |
769578ff | 4439 | kfree(ioc->ctl_cmds.sense); |
635374e7 | 4440 | kfree(ioc->base_cmds.reply); |
921cd802 | 4441 | kfree(ioc->port_enable_cmds.reply); |
635374e7 EM |
4442 | kfree(ioc->tm_cmds.reply); |
4443 | kfree(ioc->transport_cmds.reply); | |
e94f6747 | 4444 | kfree(ioc->scsih_cmds.reply); |
635374e7 EM |
4445 | kfree(ioc->config_cmds.reply); |
4446 | } | |
4447 | ||
4448 | /** | |
4449 | * _base_reset_handler - reset callback handler (for base) | |
4450 | * @ioc: per adapter object | |
4451 | * @reset_phase: phase | |
4452 | * | |
4453 | * The handler for doing any required cleanup or initialization. | |
4454 | * | |
4455 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
4456 | * MPT2_IOC_DONE_RESET | |
4457 | * | |
4458 | * Return nothing. | |
4459 | */ | |
4460 | static void | |
4461 | _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
4462 | { | |
4224489f KD |
4463 | mpt2sas_scsih_reset_handler(ioc, reset_phase); |
4464 | mpt2sas_ctl_reset_handler(ioc, reset_phase); | |
635374e7 EM |
4465 | switch (reset_phase) { |
4466 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 4467 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4468 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
4469 | break; | |
4470 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 4471 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4472 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
4473 | if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { | |
4474 | ioc->transport_cmds.status |= MPT2_CMD_RESET; | |
4475 | mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); | |
4476 | complete(&ioc->transport_cmds.done); | |
4477 | } | |
4478 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { | |
4479 | ioc->base_cmds.status |= MPT2_CMD_RESET; | |
4480 | mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); | |
4481 | complete(&ioc->base_cmds.done); | |
4482 | } | |
921cd802 | 4483 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
4484 | ioc->port_enable_failed = 1; | |
4485 | ioc->port_enable_cmds.status |= MPT2_CMD_RESET; | |
4486 | mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); | |
4487 | if (ioc->is_driver_loading) { | |
4488 | ioc->start_scan_failed = | |
4489 | MPI2_IOCSTATUS_INTERNAL_ERROR; | |
4490 | ioc->start_scan = 0; | |
4491 | ioc->port_enable_cmds.status = | |
4492 | MPT2_CMD_NOT_USED; | |
4493 | } else | |
4494 | complete(&ioc->port_enable_cmds.done); | |
4495 | ||
4496 | } | |
635374e7 EM |
4497 | if (ioc->config_cmds.status & MPT2_CMD_PENDING) { |
4498 | ioc->config_cmds.status |= MPT2_CMD_RESET; | |
4499 | mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); | |
4be929be | 4500 | ioc->config_cmds.smid = USHRT_MAX; |
635374e7 EM |
4501 | complete(&ioc->config_cmds.done); |
4502 | } | |
4503 | break; | |
4504 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 4505 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
4506 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
4507 | break; | |
4508 | } | |
635374e7 EM |
4509 | } |
4510 | ||
4511 | /** | |
4512 | * _wait_for_commands_to_complete - reset controller | |
4513 | * @ioc: Pointer to MPT_ADAPTER structure | |
4514 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4515 | * | |
4516 | * This function waiting(3s) for all pending commands to complete | |
4517 | * prior to putting controller in reset. | |
4518 | */ | |
4519 | static void | |
4520 | _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) | |
4521 | { | |
4522 | u32 ioc_state; | |
4523 | unsigned long flags; | |
4524 | u16 i; | |
4525 | ||
4526 | ioc->pending_io_count = 0; | |
4527 | if (sleep_flag != CAN_SLEEP) | |
4528 | return; | |
4529 | ||
4530 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
4531 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) | |
4532 | return; | |
4533 | ||
4534 | /* pending command count */ | |
4535 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
595bb0bd | 4536 | for (i = 0; i < ioc->scsiio_depth; i++) |
635374e7 EM |
4537 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) |
4538 | ioc->pending_io_count++; | |
4539 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
4540 | ||
4541 | if (!ioc->pending_io_count) | |
4542 | return; | |
4543 | ||
4544 | /* wait for pending commands to complete */ | |
d274213a | 4545 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); |
635374e7 EM |
4546 | } |
4547 | ||
4548 | /** | |
4549 | * mpt2sas_base_hard_reset_handler - reset controller | |
4550 | * @ioc: Pointer to MPT_ADAPTER structure | |
4551 | * @sleep_flag: CAN_SLEEP or NO_SLEEP | |
4552 | * @type: FORCE_BIG_HAMMER or SOFT_RESET | |
4553 | * | |
4554 | * Returns 0 for success, non-zero for failure. | |
4555 | */ | |
4556 | int | |
4557 | mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, | |
4558 | enum reset_type type) | |
4559 | { | |
7b936b02 | 4560 | int r; |
635374e7 EM |
4561 | unsigned long flags; |
4562 | ||
eabb08ad | 4563 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
4564 | __func__)); |
4565 | ||
3cb5469a EM |
4566 | if (ioc->pci_error_recovery) { |
4567 | printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", | |
4568 | ioc->name, __func__); | |
4569 | r = 0; | |
4570 | goto out; | |
4571 | } | |
4572 | ||
fa7f3167 KD |
4573 | if (mpt2sas_fwfault_debug) |
4574 | mpt2sas_halt_firmware(ioc); | |
4575 | ||
d274213a KD |
4576 | /* TODO - What we really should be doing is pulling |
4577 | * out all the code associated with NO_SLEEP; its never used. | |
4578 | * That is legacy code from mpt fusion driver, ported over. | |
4579 | * I will leave this BUG_ON here for now till its been resolved. | |
4580 | */ | |
4581 | BUG_ON(sleep_flag == NO_SLEEP); | |
4582 | ||
4583 | /* wait for an active reset in progress to complete */ | |
4584 | if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { | |
4585 | do { | |
4586 | ssleep(1); | |
4587 | } while (ioc->shost_recovery == 1); | |
eabb08ad | 4588 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a KD |
4589 | __func__)); |
4590 | return ioc->ioc_reset_in_progress_status; | |
635374e7 | 4591 | } |
d274213a KD |
4592 | |
4593 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
635374e7 | 4594 | ioc->shost_recovery = 1; |
635374e7 EM |
4595 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
4596 | ||
4597 | _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); | |
4598 | _wait_for_commands_to_complete(ioc, sleep_flag); | |
4599 | _base_mask_interrupts(ioc); | |
4600 | r = _base_make_ioc_ready(ioc, sleep_flag, type); | |
4601 | if (r) | |
4602 | goto out; | |
4603 | _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); | |
4224489f KD |
4604 | |
4605 | /* If this hard reset is called while port enable is active, then | |
4606 | * there is no reason to call make_ioc_operational | |
4607 | */ | |
921cd802 | 4608 | if (ioc->is_driver_loading && ioc->port_enable_failed) { |
4609 | ioc->remove_host = 1; | |
4224489f KD |
4610 | r = -EFAULT; |
4611 | goto out; | |
4612 | } | |
7b936b02 | 4613 | r = _base_make_ioc_operational(ioc, sleep_flag); |
635374e7 EM |
4614 | if (!r) |
4615 | _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); | |
4616 | out: | |
eabb08ad | 4617 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", |
635374e7 EM |
4618 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); |
4619 | ||
4620 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
d274213a | 4621 | ioc->ioc_reset_in_progress_status = r; |
155dd4c7 | 4622 | ioc->shost_recovery = 0; |
635374e7 | 4623 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
d274213a | 4624 | mutex_unlock(&ioc->reset_in_progress_mutex); |
cd4e12e8 | 4625 | |
eabb08ad | 4626 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
d274213a | 4627 | __func__)); |
635374e7 EM |
4628 | return r; |
4629 | } |