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Merge tag 'probes-fixes-v6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-block.git] / drivers / scsi / mpi3mr / mpi3mr_fw.c
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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for Broadcom MPI3 Storage Controllers
4 *
5 * Copyright (C) 2017-2023 Broadcom Inc.
6 * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
7 *
8 */
9
10#include "mpi3mr.h"
11#include <linux/io-64-nonatomic-lo-hi.h>
12
13static int
14mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, u16 reset_reason);
15static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc);
16static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
17 struct mpi3_ioc_facts_data *facts_data);
18static void mpi3mr_pel_wait_complete(struct mpi3mr_ioc *mrioc,
19 struct mpi3mr_drv_cmd *drv_cmd);
20static int mpi3mr_check_op_admin_proc(struct mpi3mr_ioc *mrioc);
21static int poll_queues;
22module_param(poll_queues, int, 0444);
23MODULE_PARM_DESC(poll_queues, "Number of queues for io_uring poll mode. (Range 1 - 126)");
24
25#if defined(writeq) && defined(CONFIG_64BIT)
26static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
27{
28 writeq(b, addr);
29}
30#else
31static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
32{
33 __u64 data_out = b;
34
35 writel((u32)(data_out), addr);
36 writel((u32)(data_out >> 32), (addr + 4));
37}
38#endif
39
40static inline bool
41mpi3mr_check_req_qfull(struct op_req_qinfo *op_req_q)
42{
43 u16 pi, ci, max_entries;
44 bool is_qfull = false;
45
46 pi = op_req_q->pi;
47 ci = READ_ONCE(op_req_q->ci);
48 max_entries = op_req_q->num_requests;
49
50 if ((ci == (pi + 1)) || ((!ci) && (pi == (max_entries - 1))))
51 is_qfull = true;
52
53 return is_qfull;
54}
55
56static void mpi3mr_sync_irqs(struct mpi3mr_ioc *mrioc)
57{
58 u16 i, max_vectors;
59
60 max_vectors = mrioc->intr_info_count;
61
62 for (i = 0; i < max_vectors; i++)
63 synchronize_irq(pci_irq_vector(mrioc->pdev, i));
64}
65
66void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc)
67{
68 mrioc->intr_enabled = 0;
69 mpi3mr_sync_irqs(mrioc);
70}
71
72void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc)
73{
74 mrioc->intr_enabled = 1;
75}
76
77static void mpi3mr_cleanup_isr(struct mpi3mr_ioc *mrioc)
78{
79 u16 i;
80
81 mpi3mr_ioc_disable_intr(mrioc);
82
83 if (!mrioc->intr_info)
84 return;
85
86 for (i = 0; i < mrioc->intr_info_count; i++)
87 free_irq(pci_irq_vector(mrioc->pdev, i),
88 (mrioc->intr_info + i));
89
90 kfree(mrioc->intr_info);
91 mrioc->intr_info = NULL;
92 mrioc->intr_info_count = 0;
93 mrioc->is_intr_info_set = false;
94 pci_free_irq_vectors(mrioc->pdev);
95}
96
97void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
98 dma_addr_t dma_addr)
99{
100 struct mpi3_sge_common *sgel = paddr;
101
102 sgel->flags = flags;
103 sgel->length = cpu_to_le32(length);
104 sgel->address = cpu_to_le64(dma_addr);
105}
106
107void mpi3mr_build_zero_len_sge(void *paddr)
108{
109 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
110
111 mpi3mr_add_sg_single(paddr, sgl_flags, 0, -1);
112}
113
114void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
115 dma_addr_t phys_addr)
116{
117 if (!phys_addr)
118 return NULL;
119
120 if ((phys_addr < mrioc->reply_buf_dma) ||
121 (phys_addr > mrioc->reply_buf_dma_max_address))
122 return NULL;
123
124 return mrioc->reply_buf + (phys_addr - mrioc->reply_buf_dma);
125}
126
127void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
128 dma_addr_t phys_addr)
129{
130 if (!phys_addr)
131 return NULL;
132
133 return mrioc->sense_buf + (phys_addr - mrioc->sense_buf_dma);
134}
135
136static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc,
137 u64 reply_dma)
138{
139 u32 old_idx = 0;
140 unsigned long flags;
141
142 spin_lock_irqsave(&mrioc->reply_free_queue_lock, flags);
143 old_idx = mrioc->reply_free_queue_host_index;
144 mrioc->reply_free_queue_host_index = (
145 (mrioc->reply_free_queue_host_index ==
146 (mrioc->reply_free_qsz - 1)) ? 0 :
147 (mrioc->reply_free_queue_host_index + 1));
148 mrioc->reply_free_q[old_idx] = cpu_to_le64(reply_dma);
149 writel(mrioc->reply_free_queue_host_index,
150 &mrioc->sysif_regs->reply_free_host_index);
151 spin_unlock_irqrestore(&mrioc->reply_free_queue_lock, flags);
152}
153
154void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
155 u64 sense_buf_dma)
156{
157 u32 old_idx = 0;
158 unsigned long flags;
159
160 spin_lock_irqsave(&mrioc->sbq_lock, flags);
161 old_idx = mrioc->sbq_host_index;
162 mrioc->sbq_host_index = ((mrioc->sbq_host_index ==
163 (mrioc->sense_buf_q_sz - 1)) ? 0 :
164 (mrioc->sbq_host_index + 1));
165 mrioc->sense_buf_q[old_idx] = cpu_to_le64(sense_buf_dma);
166 writel(mrioc->sbq_host_index,
167 &mrioc->sysif_regs->sense_buffer_free_host_index);
168 spin_unlock_irqrestore(&mrioc->sbq_lock, flags);
169}
170
171static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc,
172 struct mpi3_event_notification_reply *event_reply)
173{
174 char *desc = NULL;
175 u16 event;
176
177 if (!(mrioc->logging_level & MPI3_DEBUG_EVENT))
178 return;
179
180 event = event_reply->event;
181
182 switch (event) {
183 case MPI3_EVENT_LOG_DATA:
184 desc = "Log Data";
185 break;
186 case MPI3_EVENT_CHANGE:
187 desc = "Event Change";
188 break;
189 case MPI3_EVENT_GPIO_INTERRUPT:
190 desc = "GPIO Interrupt";
191 break;
192 case MPI3_EVENT_CABLE_MGMT:
193 desc = "Cable Management";
194 break;
195 case MPI3_EVENT_ENERGY_PACK_CHANGE:
196 desc = "Energy Pack Change";
197 break;
198 case MPI3_EVENT_DEVICE_ADDED:
199 {
200 struct mpi3_device_page0 *event_data =
201 (struct mpi3_device_page0 *)event_reply->event_data;
202 ioc_info(mrioc, "Device Added: dev=0x%04x Form=0x%x\n",
203 event_data->dev_handle, event_data->device_form);
204 return;
205 }
206 case MPI3_EVENT_DEVICE_INFO_CHANGED:
207 {
208 struct mpi3_device_page0 *event_data =
209 (struct mpi3_device_page0 *)event_reply->event_data;
210 ioc_info(mrioc, "Device Info Changed: dev=0x%04x Form=0x%x\n",
211 event_data->dev_handle, event_data->device_form);
212 return;
213 }
214 case MPI3_EVENT_DEVICE_STATUS_CHANGE:
215 {
216 struct mpi3_event_data_device_status_change *event_data =
217 (struct mpi3_event_data_device_status_change *)event_reply->event_data;
218 ioc_info(mrioc, "Device status Change: dev=0x%04x RC=0x%x\n",
219 event_data->dev_handle, event_data->reason_code);
220 return;
221 }
222 case MPI3_EVENT_SAS_DISCOVERY:
223 {
224 struct mpi3_event_data_sas_discovery *event_data =
225 (struct mpi3_event_data_sas_discovery *)event_reply->event_data;
226 ioc_info(mrioc, "SAS Discovery: (%s) status (0x%08x)\n",
227 (event_data->reason_code == MPI3_EVENT_SAS_DISC_RC_STARTED) ?
228 "start" : "stop",
229 le32_to_cpu(event_data->discovery_status));
230 return;
231 }
232 case MPI3_EVENT_SAS_BROADCAST_PRIMITIVE:
233 desc = "SAS Broadcast Primitive";
234 break;
235 case MPI3_EVENT_SAS_NOTIFY_PRIMITIVE:
236 desc = "SAS Notify Primitive";
237 break;
238 case MPI3_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
239 desc = "SAS Init Device Status Change";
240 break;
241 case MPI3_EVENT_SAS_INIT_TABLE_OVERFLOW:
242 desc = "SAS Init Table Overflow";
243 break;
244 case MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
245 desc = "SAS Topology Change List";
246 break;
247 case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE:
248 desc = "Enclosure Device Status Change";
249 break;
250 case MPI3_EVENT_ENCL_DEVICE_ADDED:
251 desc = "Enclosure Added";
252 break;
253 case MPI3_EVENT_HARD_RESET_RECEIVED:
254 desc = "Hard Reset Received";
255 break;
256 case MPI3_EVENT_SAS_PHY_COUNTER:
257 desc = "SAS PHY Counter";
258 break;
259 case MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
260 desc = "SAS Device Discovery Error";
261 break;
262 case MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
263 desc = "PCIE Topology Change List";
264 break;
265 case MPI3_EVENT_PCIE_ENUMERATION:
266 {
267 struct mpi3_event_data_pcie_enumeration *event_data =
268 (struct mpi3_event_data_pcie_enumeration *)event_reply->event_data;
269 ioc_info(mrioc, "PCIE Enumeration: (%s)",
270 (event_data->reason_code ==
271 MPI3_EVENT_PCIE_ENUM_RC_STARTED) ? "start" : "stop");
272 if (event_data->enumeration_status)
273 ioc_info(mrioc, "enumeration_status(0x%08x)\n",
274 le32_to_cpu(event_data->enumeration_status));
275 return;
276 }
277 case MPI3_EVENT_PREPARE_FOR_RESET:
278 desc = "Prepare For Reset";
279 break;
280 case MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE:
281 desc = "Diagnostic Buffer Status Change";
282 break;
283 }
284
285 if (!desc)
286 return;
287
288 ioc_info(mrioc, "%s\n", desc);
289}
290
291static void mpi3mr_handle_events(struct mpi3mr_ioc *mrioc,
292 struct mpi3_default_reply *def_reply)
293{
294 struct mpi3_event_notification_reply *event_reply =
295 (struct mpi3_event_notification_reply *)def_reply;
296
297 mrioc->change_count = le16_to_cpu(event_reply->ioc_change_count);
298 mpi3mr_print_event_data(mrioc, event_reply);
299 mpi3mr_os_handle_events(mrioc, event_reply);
300}
301
302static struct mpi3mr_drv_cmd *
303mpi3mr_get_drv_cmd(struct mpi3mr_ioc *mrioc, u16 host_tag,
304 struct mpi3_default_reply *def_reply)
305{
306 u16 idx;
307
308 switch (host_tag) {
309 case MPI3MR_HOSTTAG_INITCMDS:
310 return &mrioc->init_cmds;
311 case MPI3MR_HOSTTAG_CFG_CMDS:
312 return &mrioc->cfg_cmds;
313 case MPI3MR_HOSTTAG_BSG_CMDS:
314 return &mrioc->bsg_cmds;
315 case MPI3MR_HOSTTAG_BLK_TMS:
316 return &mrioc->host_tm_cmds;
317 case MPI3MR_HOSTTAG_PEL_ABORT:
318 return &mrioc->pel_abort_cmd;
319 case MPI3MR_HOSTTAG_PEL_WAIT:
320 return &mrioc->pel_cmds;
321 case MPI3MR_HOSTTAG_TRANSPORT_CMDS:
322 return &mrioc->transport_cmds;
323 case MPI3MR_HOSTTAG_INVALID:
324 if (def_reply && def_reply->function ==
325 MPI3_FUNCTION_EVENT_NOTIFICATION)
326 mpi3mr_handle_events(mrioc, def_reply);
327 return NULL;
328 default:
329 break;
330 }
331 if (host_tag >= MPI3MR_HOSTTAG_DEVRMCMD_MIN &&
332 host_tag <= MPI3MR_HOSTTAG_DEVRMCMD_MAX) {
333 idx = host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN;
334 return &mrioc->dev_rmhs_cmds[idx];
335 }
336
337 if (host_tag >= MPI3MR_HOSTTAG_EVTACKCMD_MIN &&
338 host_tag <= MPI3MR_HOSTTAG_EVTACKCMD_MAX) {
339 idx = host_tag - MPI3MR_HOSTTAG_EVTACKCMD_MIN;
340 return &mrioc->evtack_cmds[idx];
341 }
342
343 return NULL;
344}
345
346static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc,
347 struct mpi3_default_reply_descriptor *reply_desc, u64 *reply_dma)
348{
349 u16 reply_desc_type, host_tag = 0;
350 u16 ioc_status = MPI3_IOCSTATUS_SUCCESS;
351 u16 masked_ioc_status = MPI3_IOCSTATUS_SUCCESS;
352 u32 ioc_loginfo = 0, sense_count = 0;
353 struct mpi3_status_reply_descriptor *status_desc;
354 struct mpi3_address_reply_descriptor *addr_desc;
355 struct mpi3_success_reply_descriptor *success_desc;
356 struct mpi3_default_reply *def_reply = NULL;
357 struct mpi3mr_drv_cmd *cmdptr = NULL;
358 struct mpi3_scsi_io_reply *scsi_reply;
359 struct scsi_sense_hdr sshdr;
360 u8 *sense_buf = NULL;
361
362 *reply_dma = 0;
363 reply_desc_type = le16_to_cpu(reply_desc->reply_flags) &
364 MPI3_REPLY_DESCRIPT_FLAGS_TYPE_MASK;
365 switch (reply_desc_type) {
366 case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_STATUS:
367 status_desc = (struct mpi3_status_reply_descriptor *)reply_desc;
368 host_tag = le16_to_cpu(status_desc->host_tag);
369 ioc_status = le16_to_cpu(status_desc->ioc_status);
370 if (ioc_status &
371 MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL)
372 ioc_loginfo = le32_to_cpu(status_desc->ioc_log_info);
373 masked_ioc_status = ioc_status & MPI3_IOCSTATUS_STATUS_MASK;
374 mpi3mr_reply_trigger(mrioc, masked_ioc_status, ioc_loginfo);
375 break;
376 case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_ADDRESS_REPLY:
377 addr_desc = (struct mpi3_address_reply_descriptor *)reply_desc;
378 *reply_dma = le64_to_cpu(addr_desc->reply_frame_address);
379 def_reply = mpi3mr_get_reply_virt_addr(mrioc, *reply_dma);
380 if (!def_reply)
381 goto out;
382 host_tag = le16_to_cpu(def_reply->host_tag);
383 ioc_status = le16_to_cpu(def_reply->ioc_status);
384 if (ioc_status &
385 MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL)
386 ioc_loginfo = le32_to_cpu(def_reply->ioc_log_info);
387 masked_ioc_status = ioc_status & MPI3_IOCSTATUS_STATUS_MASK;
388 if (def_reply->function == MPI3_FUNCTION_SCSI_IO) {
389 scsi_reply = (struct mpi3_scsi_io_reply *)def_reply;
390 sense_buf = mpi3mr_get_sensebuf_virt_addr(mrioc,
391 le64_to_cpu(scsi_reply->sense_data_buffer_address));
392 sense_count = le32_to_cpu(scsi_reply->sense_count);
393 if (sense_buf) {
394 scsi_normalize_sense(sense_buf, sense_count,
395 &sshdr);
396 mpi3mr_scsisense_trigger(mrioc, sshdr.sense_key,
397 sshdr.asc, sshdr.ascq);
398 }
399 }
400 mpi3mr_reply_trigger(mrioc, masked_ioc_status, ioc_loginfo);
401 break;
402 case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_SUCCESS:
403 success_desc = (struct mpi3_success_reply_descriptor *)reply_desc;
404 host_tag = le16_to_cpu(success_desc->host_tag);
405 break;
406 default:
407 break;
408 }
409
410 cmdptr = mpi3mr_get_drv_cmd(mrioc, host_tag, def_reply);
411 if (cmdptr) {
412 if (cmdptr->state & MPI3MR_CMD_PENDING) {
413 cmdptr->state |= MPI3MR_CMD_COMPLETE;
414 cmdptr->ioc_loginfo = ioc_loginfo;
415 if (host_tag == MPI3MR_HOSTTAG_BSG_CMDS)
416 cmdptr->ioc_status = ioc_status;
417 else
418 cmdptr->ioc_status = masked_ioc_status;
419 cmdptr->state &= ~MPI3MR_CMD_PENDING;
420 if (def_reply) {
421 cmdptr->state |= MPI3MR_CMD_REPLY_VALID;
422 memcpy((u8 *)cmdptr->reply, (u8 *)def_reply,
423 mrioc->reply_sz);
424 }
425 if (sense_buf && cmdptr->sensebuf) {
426 cmdptr->is_sense = 1;
427 memcpy(cmdptr->sensebuf, sense_buf,
428 MPI3MR_SENSE_BUF_SZ);
429 }
430 if (cmdptr->is_waiting) {
431 complete(&cmdptr->done);
432 cmdptr->is_waiting = 0;
433 } else if (cmdptr->callback)
434 cmdptr->callback(mrioc, cmdptr);
435 }
436 }
437out:
438 if (sense_buf)
439 mpi3mr_repost_sense_buf(mrioc,
440 le64_to_cpu(scsi_reply->sense_data_buffer_address));
441}
442
443int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc)
444{
445 u32 exp_phase = mrioc->admin_reply_ephase;
446 u32 admin_reply_ci = mrioc->admin_reply_ci;
447 u32 num_admin_replies = 0;
448 u64 reply_dma = 0;
449 u16 threshold_comps = 0;
450 struct mpi3_default_reply_descriptor *reply_desc;
451
452 if (!atomic_add_unless(&mrioc->admin_reply_q_in_use, 1, 1)) {
453 atomic_inc(&mrioc->admin_pend_isr);
454 return 0;
455 }
456
457 atomic_set(&mrioc->admin_pend_isr, 0);
458 reply_desc = (struct mpi3_default_reply_descriptor *)mrioc->admin_reply_base +
459 admin_reply_ci;
460
461 if ((le16_to_cpu(reply_desc->reply_flags) &
462 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) {
463 atomic_dec(&mrioc->admin_reply_q_in_use);
464 return 0;
465 }
466
467 do {
468 if (mrioc->unrecoverable || mrioc->io_admin_reset_sync)
469 break;
470
471 mrioc->admin_req_ci = le16_to_cpu(reply_desc->request_queue_ci);
472 mpi3mr_process_admin_reply_desc(mrioc, reply_desc, &reply_dma);
473 if (reply_dma)
474 mpi3mr_repost_reply_buf(mrioc, reply_dma);
475 num_admin_replies++;
476 threshold_comps++;
477 if (++admin_reply_ci == mrioc->num_admin_replies) {
478 admin_reply_ci = 0;
479 exp_phase ^= 1;
480 }
481 reply_desc =
482 (struct mpi3_default_reply_descriptor *)mrioc->admin_reply_base +
483 admin_reply_ci;
484 if ((le16_to_cpu(reply_desc->reply_flags) &
485 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
486 break;
487 if (threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) {
488 writel(admin_reply_ci,
489 &mrioc->sysif_regs->admin_reply_queue_ci);
490 threshold_comps = 0;
491 }
492 } while (1);
493
494 writel(admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci);
495 mrioc->admin_reply_ci = admin_reply_ci;
496 mrioc->admin_reply_ephase = exp_phase;
497 atomic_dec(&mrioc->admin_reply_q_in_use);
498
499 return num_admin_replies;
500}
501
502/**
503 * mpi3mr_get_reply_desc - get reply descriptor frame corresponding to
504 * queue's consumer index from operational reply descriptor queue.
505 * @op_reply_q: op_reply_qinfo object
506 * @reply_ci: operational reply descriptor's queue consumer index
507 *
508 * Returns: reply descriptor frame address
509 */
510static inline struct mpi3_default_reply_descriptor *
511mpi3mr_get_reply_desc(struct op_reply_qinfo *op_reply_q, u32 reply_ci)
512{
513 void *segment_base_addr;
514 struct segments *segments = op_reply_q->q_segments;
515 struct mpi3_default_reply_descriptor *reply_desc = NULL;
516
517 segment_base_addr =
518 segments[reply_ci / op_reply_q->segment_qd].segment;
519 reply_desc = (struct mpi3_default_reply_descriptor *)segment_base_addr +
520 (reply_ci % op_reply_q->segment_qd);
521 return reply_desc;
522}
523
524/**
525 * mpi3mr_process_op_reply_q - Operational reply queue handler
526 * @mrioc: Adapter instance reference
527 * @op_reply_q: Operational reply queue info
528 *
529 * Checks the specific operational reply queue and drains the
530 * reply queue entries until the queue is empty and process the
531 * individual reply descriptors.
532 *
533 * Return: 0 if queue is already processed,or number of reply
534 * descriptors processed.
535 */
536int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
537 struct op_reply_qinfo *op_reply_q)
538{
539 struct op_req_qinfo *op_req_q;
540 u32 exp_phase;
541 u32 reply_ci;
542 u32 num_op_reply = 0;
543 u64 reply_dma = 0;
544 struct mpi3_default_reply_descriptor *reply_desc;
545 u16 req_q_idx = 0, reply_qidx, threshold_comps = 0;
546
547 reply_qidx = op_reply_q->qid - 1;
548
549 if (!atomic_add_unless(&op_reply_q->in_use, 1, 1))
550 return 0;
551
552 exp_phase = op_reply_q->ephase;
553 reply_ci = op_reply_q->ci;
554
555 reply_desc = mpi3mr_get_reply_desc(op_reply_q, reply_ci);
556 if ((le16_to_cpu(reply_desc->reply_flags) &
557 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) {
558 atomic_dec(&op_reply_q->in_use);
559 return 0;
560 }
561
562 do {
563 if (mrioc->unrecoverable || mrioc->io_admin_reset_sync)
564 break;
565
566 req_q_idx = le16_to_cpu(reply_desc->request_queue_id) - 1;
567 op_req_q = &mrioc->req_qinfo[req_q_idx];
568
569 WRITE_ONCE(op_req_q->ci, le16_to_cpu(reply_desc->request_queue_ci));
570 mpi3mr_process_op_reply_desc(mrioc, reply_desc, &reply_dma,
571 reply_qidx);
572
573 if (reply_dma)
574 mpi3mr_repost_reply_buf(mrioc, reply_dma);
575 num_op_reply++;
576 threshold_comps++;
577
578 if (++reply_ci == op_reply_q->num_replies) {
579 reply_ci = 0;
580 exp_phase ^= 1;
581 }
582
583 reply_desc = mpi3mr_get_reply_desc(op_reply_q, reply_ci);
584
585 if ((le16_to_cpu(reply_desc->reply_flags) &
586 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
587 break;
588#ifndef CONFIG_PREEMPT_RT
589 /*
590 * Exit completion loop to avoid CPU lockup
591 * Ensure remaining completion happens from threaded ISR.
592 */
593 if (num_op_reply > mrioc->max_host_ios) {
594 op_reply_q->enable_irq_poll = true;
595 break;
596 }
597#endif
598 if (threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) {
599 writel(reply_ci,
600 &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index);
601 atomic_sub(threshold_comps, &op_reply_q->pend_ios);
602 threshold_comps = 0;
603 }
604 } while (1);
605
606 writel(reply_ci,
607 &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index);
608 op_reply_q->ci = reply_ci;
609 op_reply_q->ephase = exp_phase;
610 atomic_sub(threshold_comps, &op_reply_q->pend_ios);
611 atomic_dec(&op_reply_q->in_use);
612 return num_op_reply;
613}
614
615/**
616 * mpi3mr_blk_mq_poll - Operational reply queue handler
617 * @shost: SCSI Host reference
618 * @queue_num: Request queue number (w.r.t OS it is hardware context number)
619 *
620 * Checks the specific operational reply queue and drains the
621 * reply queue entries until the queue is empty and process the
622 * individual reply descriptors.
623 *
624 * Return: 0 if queue is already processed,or number of reply
625 * descriptors processed.
626 */
627int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num)
628{
629 int num_entries = 0;
630 struct mpi3mr_ioc *mrioc;
631
632 mrioc = (struct mpi3mr_ioc *)shost->hostdata;
633
634 if ((mrioc->reset_in_progress || mrioc->prepare_for_reset ||
635 mrioc->unrecoverable || mrioc->pci_err_recovery))
636 return 0;
637
638 num_entries = mpi3mr_process_op_reply_q(mrioc,
639 &mrioc->op_reply_qinfo[queue_num]);
640
641 return num_entries;
642}
643
644static irqreturn_t mpi3mr_isr_primary(int irq, void *privdata)
645{
646 struct mpi3mr_intr_info *intr_info = privdata;
647 struct mpi3mr_ioc *mrioc;
648 u16 midx;
649 u32 num_admin_replies = 0, num_op_reply = 0;
650
651 if (!intr_info)
652 return IRQ_NONE;
653
654 mrioc = intr_info->mrioc;
655
656 if (!mrioc->intr_enabled)
657 return IRQ_NONE;
658
659 midx = intr_info->msix_index;
660
661 if (!midx)
662 num_admin_replies = mpi3mr_process_admin_reply_q(mrioc);
663 if (intr_info->op_reply_q)
664 num_op_reply = mpi3mr_process_op_reply_q(mrioc,
665 intr_info->op_reply_q);
666
667 if (num_admin_replies || num_op_reply)
668 return IRQ_HANDLED;
669 else
670 return IRQ_NONE;
671}
672
673#ifndef CONFIG_PREEMPT_RT
674
675static irqreturn_t mpi3mr_isr(int irq, void *privdata)
676{
677 struct mpi3mr_intr_info *intr_info = privdata;
678 int ret;
679
680 if (!intr_info)
681 return IRQ_NONE;
682
683 /* Call primary ISR routine */
684 ret = mpi3mr_isr_primary(irq, privdata);
685
686 /*
687 * If more IOs are expected, schedule IRQ polling thread.
688 * Otherwise exit from ISR.
689 */
690 if (!intr_info->op_reply_q)
691 return ret;
692
693 if (!intr_info->op_reply_q->enable_irq_poll ||
694 !atomic_read(&intr_info->op_reply_q->pend_ios))
695 return ret;
696
697 disable_irq_nosync(intr_info->os_irq);
698
699 return IRQ_WAKE_THREAD;
700}
701
702/**
703 * mpi3mr_isr_poll - Reply queue polling routine
704 * @irq: IRQ
705 * @privdata: Interrupt info
706 *
707 * poll for pending I/O completions in a loop until pending I/Os
708 * present or controller queue depth I/Os are processed.
709 *
710 * Return: IRQ_NONE or IRQ_HANDLED
711 */
712static irqreturn_t mpi3mr_isr_poll(int irq, void *privdata)
713{
714 struct mpi3mr_intr_info *intr_info = privdata;
715 struct mpi3mr_ioc *mrioc;
716 u16 midx;
717 u32 num_op_reply = 0;
718
719 if (!intr_info || !intr_info->op_reply_q)
720 return IRQ_NONE;
721
722 mrioc = intr_info->mrioc;
723 midx = intr_info->msix_index;
724
725 /* Poll for pending IOs completions */
726 do {
727 if (!mrioc->intr_enabled || mrioc->unrecoverable)
728 break;
729
730 if (!midx)
731 mpi3mr_process_admin_reply_q(mrioc);
732 if (intr_info->op_reply_q)
733 num_op_reply +=
734 mpi3mr_process_op_reply_q(mrioc,
735 intr_info->op_reply_q);
736
737 usleep_range(MPI3MR_IRQ_POLL_SLEEP, MPI3MR_IRQ_POLL_SLEEP + 1);
738
739 } while (atomic_read(&intr_info->op_reply_q->pend_ios) &&
740 (num_op_reply < mrioc->max_host_ios));
741
742 intr_info->op_reply_q->enable_irq_poll = false;
743 enable_irq(intr_info->os_irq);
744
745 return IRQ_HANDLED;
746}
747
748#endif
749
750/**
751 * mpi3mr_request_irq - Request IRQ and register ISR
752 * @mrioc: Adapter instance reference
753 * @index: IRQ vector index
754 *
755 * Request threaded ISR with primary ISR and secondary
756 *
757 * Return: 0 on success and non zero on failures.
758 */
759static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index)
760{
761 struct pci_dev *pdev = mrioc->pdev;
762 struct mpi3mr_intr_info *intr_info = mrioc->intr_info + index;
763 int retval = 0;
764
765 intr_info->mrioc = mrioc;
766 intr_info->msix_index = index;
767 intr_info->op_reply_q = NULL;
768
769 snprintf(intr_info->name, MPI3MR_NAME_LENGTH, "%s%d-msix%d",
770 mrioc->driver_name, mrioc->id, index);
771
772#ifndef CONFIG_PREEMPT_RT
773 retval = request_threaded_irq(pci_irq_vector(pdev, index), mpi3mr_isr,
774 mpi3mr_isr_poll, IRQF_SHARED, intr_info->name, intr_info);
775#else
776 retval = request_threaded_irq(pci_irq_vector(pdev, index), mpi3mr_isr_primary,
777 NULL, IRQF_SHARED, intr_info->name, intr_info);
778#endif
779 if (retval) {
780 ioc_err(mrioc, "%s: Unable to allocate interrupt %d!\n",
781 intr_info->name, pci_irq_vector(pdev, index));
782 return retval;
783 }
784
785 intr_info->os_irq = pci_irq_vector(pdev, index);
786 return retval;
787}
788
789static void mpi3mr_calc_poll_queues(struct mpi3mr_ioc *mrioc, u16 max_vectors)
790{
791 if (!mrioc->requested_poll_qcount)
792 return;
793
794 /* Reserved for Admin and Default Queue */
795 if (max_vectors > 2 &&
796 (mrioc->requested_poll_qcount < max_vectors - 2)) {
797 ioc_info(mrioc,
798 "enabled polled queues (%d) msix (%d)\n",
799 mrioc->requested_poll_qcount, max_vectors);
800 } else {
801 ioc_info(mrioc,
802 "disabled polled queues (%d) msix (%d) because of no resources for default queue\n",
803 mrioc->requested_poll_qcount, max_vectors);
804 mrioc->requested_poll_qcount = 0;
805 }
806}
807
808/**
809 * mpi3mr_setup_isr - Setup ISR for the controller
810 * @mrioc: Adapter instance reference
811 * @setup_one: Request one IRQ or more
812 *
813 * Allocate IRQ vectors and call mpi3mr_request_irq to setup ISR
814 *
815 * Return: 0 on success and non zero on failures.
816 */
817static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one)
818{
819 unsigned int irq_flags = PCI_IRQ_MSIX;
820 int max_vectors, min_vec;
821 int retval;
822 int i;
823 struct irq_affinity desc = { .pre_vectors = 1, .post_vectors = 1 };
824
825 if (mrioc->is_intr_info_set)
826 return 0;
827
828 mpi3mr_cleanup_isr(mrioc);
829
830 if (setup_one || reset_devices) {
831 max_vectors = 1;
832 retval = pci_alloc_irq_vectors(mrioc->pdev,
833 1, max_vectors, irq_flags);
834 if (retval < 0) {
835 ioc_err(mrioc, "cannot allocate irq vectors, ret %d\n",
836 retval);
837 goto out_failed;
838 }
839 } else {
840 max_vectors =
841 min_t(int, mrioc->cpu_count + 1 +
842 mrioc->requested_poll_qcount, mrioc->msix_count);
843
844 mpi3mr_calc_poll_queues(mrioc, max_vectors);
845
846 ioc_info(mrioc,
847 "MSI-X vectors supported: %d, no of cores: %d,",
848 mrioc->msix_count, mrioc->cpu_count);
849 ioc_info(mrioc,
850 "MSI-x vectors requested: %d poll_queues %d\n",
851 max_vectors, mrioc->requested_poll_qcount);
852
853 desc.post_vectors = mrioc->requested_poll_qcount;
854 min_vec = desc.pre_vectors + desc.post_vectors;
855 irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES;
856
857 retval = pci_alloc_irq_vectors_affinity(mrioc->pdev,
858 min_vec, max_vectors, irq_flags, &desc);
859
860 if (retval < 0) {
861 ioc_err(mrioc, "cannot allocate irq vectors, ret %d\n",
862 retval);
863 goto out_failed;
864 }
865
866
867 /*
868 * If only one MSI-x is allocated, then MSI-x 0 will be shared
869 * between Admin queue and operational queue
870 */
871 if (retval == min_vec)
872 mrioc->op_reply_q_offset = 0;
873 else if (retval != (max_vectors)) {
874 ioc_info(mrioc,
875 "allocated vectors (%d) are less than configured (%d)\n",
876 retval, max_vectors);
877 }
878
879 max_vectors = retval;
880 mrioc->op_reply_q_offset = (max_vectors > 1) ? 1 : 0;
881
882 mpi3mr_calc_poll_queues(mrioc, max_vectors);
883
884 }
885
886 mrioc->intr_info = kzalloc(sizeof(struct mpi3mr_intr_info) * max_vectors,
887 GFP_KERNEL);
888 if (!mrioc->intr_info) {
889 retval = -ENOMEM;
890 pci_free_irq_vectors(mrioc->pdev);
891 goto out_failed;
892 }
893 for (i = 0; i < max_vectors; i++) {
894 retval = mpi3mr_request_irq(mrioc, i);
895 if (retval) {
896 mrioc->intr_info_count = i;
897 goto out_failed;
898 }
899 }
900 if (reset_devices || !setup_one)
901 mrioc->is_intr_info_set = true;
902 mrioc->intr_info_count = max_vectors;
903 mpi3mr_ioc_enable_intr(mrioc);
904 return 0;
905
906out_failed:
907 mpi3mr_cleanup_isr(mrioc);
908
909 return retval;
910}
911
912static const struct {
913 enum mpi3mr_iocstate value;
914 char *name;
915} mrioc_states[] = {
916 { MRIOC_STATE_READY, "ready" },
917 { MRIOC_STATE_FAULT, "fault" },
918 { MRIOC_STATE_RESET, "reset" },
919 { MRIOC_STATE_BECOMING_READY, "becoming ready" },
920 { MRIOC_STATE_RESET_REQUESTED, "reset requested" },
921 { MRIOC_STATE_UNRECOVERABLE, "unrecoverable error" },
922};
923
924static const char *mpi3mr_iocstate_name(enum mpi3mr_iocstate mrioc_state)
925{
926 int i;
927 char *name = NULL;
928
929 for (i = 0; i < ARRAY_SIZE(mrioc_states); i++) {
930 if (mrioc_states[i].value == mrioc_state) {
931 name = mrioc_states[i].name;
932 break;
933 }
934 }
935 return name;
936}
937
938/* Reset reason to name mapper structure*/
939static const struct {
940 enum mpi3mr_reset_reason value;
941 char *name;
942} mpi3mr_reset_reason_codes[] = {
943 { MPI3MR_RESET_FROM_BRINGUP, "timeout in bringup" },
944 { MPI3MR_RESET_FROM_FAULT_WATCH, "fault" },
945 { MPI3MR_RESET_FROM_APP, "application invocation" },
946 { MPI3MR_RESET_FROM_EH_HOS, "error handling" },
947 { MPI3MR_RESET_FROM_TM_TIMEOUT, "TM timeout" },
948 { MPI3MR_RESET_FROM_APP_TIMEOUT, "application command timeout" },
949 { MPI3MR_RESET_FROM_MUR_FAILURE, "MUR failure" },
950 { MPI3MR_RESET_FROM_CTLR_CLEANUP, "timeout in controller cleanup" },
951 { MPI3MR_RESET_FROM_CIACTIV_FAULT, "component image activation fault" },
952 { MPI3MR_RESET_FROM_PE_TIMEOUT, "port enable timeout" },
953 { MPI3MR_RESET_FROM_TSU_TIMEOUT, "time stamp update timeout" },
954 { MPI3MR_RESET_FROM_DELREQQ_TIMEOUT, "delete request queue timeout" },
955 { MPI3MR_RESET_FROM_DELREPQ_TIMEOUT, "delete reply queue timeout" },
956 {
957 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT,
958 "create request queue timeout"
959 },
960 {
961 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT,
962 "create reply queue timeout"
963 },
964 { MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT, "IOC facts timeout" },
965 { MPI3MR_RESET_FROM_IOCINIT_TIMEOUT, "IOC init timeout" },
966 { MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT, "event notify timeout" },
967 { MPI3MR_RESET_FROM_EVTACK_TIMEOUT, "event acknowledgment timeout" },
968 {
969 MPI3MR_RESET_FROM_CIACTVRST_TIMER,
970 "component image activation timeout"
971 },
972 {
973 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT,
974 "get package version timeout"
975 },
976 { MPI3MR_RESET_FROM_SYSFS, "sysfs invocation" },
977 { MPI3MR_RESET_FROM_SYSFS_TIMEOUT, "sysfs TM timeout" },
978 {
979 MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT,
980 "diagnostic buffer post timeout"
981 },
982 {
983 MPI3MR_RESET_FROM_DIAG_BUFFER_RELEASE_TIMEOUT,
984 "diagnostic buffer release timeout"
985 },
986 { MPI3MR_RESET_FROM_FIRMWARE, "firmware asynchronous reset" },
987 { MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT, "configuration request timeout"},
988 { MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT, "timeout of a SAS transport layer request" },
989};
990
991/**
992 * mpi3mr_reset_rc_name - get reset reason code name
993 * @reason_code: reset reason code value
994 *
995 * Map reset reason to an NULL terminated ASCII string
996 *
997 * Return: name corresponding to reset reason value or NULL.
998 */
999static const char *mpi3mr_reset_rc_name(enum mpi3mr_reset_reason reason_code)
1000{
1001 int i;
1002 char *name = NULL;
1003
1004 for (i = 0; i < ARRAY_SIZE(mpi3mr_reset_reason_codes); i++) {
1005 if (mpi3mr_reset_reason_codes[i].value == reason_code) {
1006 name = mpi3mr_reset_reason_codes[i].name;
1007 break;
1008 }
1009 }
1010 return name;
1011}
1012
1013/* Reset type to name mapper structure*/
1014static const struct {
1015 u16 reset_type;
1016 char *name;
1017} mpi3mr_reset_types[] = {
1018 { MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, "soft" },
1019 { MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, "diag fault" },
1020};
1021
1022/**
1023 * mpi3mr_reset_type_name - get reset type name
1024 * @reset_type: reset type value
1025 *
1026 * Map reset type to an NULL terminated ASCII string
1027 *
1028 * Return: name corresponding to reset type value or NULL.
1029 */
1030static const char *mpi3mr_reset_type_name(u16 reset_type)
1031{
1032 int i;
1033 char *name = NULL;
1034
1035 for (i = 0; i < ARRAY_SIZE(mpi3mr_reset_types); i++) {
1036 if (mpi3mr_reset_types[i].reset_type == reset_type) {
1037 name = mpi3mr_reset_types[i].name;
1038 break;
1039 }
1040 }
1041 return name;
1042}
1043
1044/**
1045 * mpi3mr_is_fault_recoverable - Read fault code and decide
1046 * whether the controller can be recoverable
1047 * @mrioc: Adapter instance reference
1048 * Return: true if fault is recoverable, false otherwise.
1049 */
1050static inline bool mpi3mr_is_fault_recoverable(struct mpi3mr_ioc *mrioc)
1051{
1052 u32 fault;
1053
1054 fault = (readl(&mrioc->sysif_regs->fault) &
1055 MPI3_SYSIF_FAULT_CODE_MASK);
1056
1057 switch (fault) {
1058 case MPI3_SYSIF_FAULT_CODE_COMPLETE_RESET_NEEDED:
1059 case MPI3_SYSIF_FAULT_CODE_POWER_CYCLE_REQUIRED:
1060 ioc_warn(mrioc,
1061 "controller requires system power cycle, marking controller as unrecoverable\n");
1062 return false;
1063 case MPI3_SYSIF_FAULT_CODE_INSUFFICIENT_PCI_SLOT_POWER:
1064 ioc_warn(mrioc,
1065 "controller faulted due to insufficient power,\n"
1066 " try by connecting it to a different slot\n");
1067 return false;
1068 default:
1069 break;
1070 }
1071 return true;
1072}
1073
1074/**
1075 * mpi3mr_print_fault_info - Display fault information
1076 * @mrioc: Adapter instance reference
1077 *
1078 * Display the controller fault information if there is a
1079 * controller fault.
1080 *
1081 * Return: Nothing.
1082 */
1083void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc)
1084{
1085 u32 ioc_status, code, code1, code2, code3;
1086
1087 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1088
1089 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) {
1090 code = readl(&mrioc->sysif_regs->fault);
1091 code1 = readl(&mrioc->sysif_regs->fault_info[0]);
1092 code2 = readl(&mrioc->sysif_regs->fault_info[1]);
1093 code3 = readl(&mrioc->sysif_regs->fault_info[2]);
1094
1095 ioc_info(mrioc,
1096 "fault code(0x%08X): Additional code: (0x%08X:0x%08X:0x%08X)\n",
1097 code, code1, code2, code3);
1098 }
1099}
1100
1101/**
1102 * mpi3mr_get_iocstate - Get IOC State
1103 * @mrioc: Adapter instance reference
1104 *
1105 * Return a proper IOC state enum based on the IOC status and
1106 * IOC configuration and unrcoverable state of the controller.
1107 *
1108 * Return: Current IOC state.
1109 */
1110enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc)
1111{
1112 u32 ioc_status, ioc_config;
1113 u8 ready, enabled;
1114
1115 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1116 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1117
1118 if (mrioc->unrecoverable)
1119 return MRIOC_STATE_UNRECOVERABLE;
1120 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)
1121 return MRIOC_STATE_FAULT;
1122
1123 ready = (ioc_status & MPI3_SYSIF_IOC_STATUS_READY);
1124 enabled = (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC);
1125
1126 if (ready && enabled)
1127 return MRIOC_STATE_READY;
1128 if ((!ready) && (!enabled))
1129 return MRIOC_STATE_RESET;
1130 if ((!ready) && (enabled))
1131 return MRIOC_STATE_BECOMING_READY;
1132
1133 return MRIOC_STATE_RESET_REQUESTED;
1134}
1135
1136/**
1137 * mpi3mr_free_ioctl_dma_memory - free memory for ioctl dma
1138 * @mrioc: Adapter instance reference
1139 *
1140 * Free the DMA memory allocated for IOCTL handling purpose.
1141 *
1142 * Return: None
1143 */
1144static void mpi3mr_free_ioctl_dma_memory(struct mpi3mr_ioc *mrioc)
1145{
1146 struct dma_memory_desc *mem_desc;
1147 u16 i;
1148
1149 if (!mrioc->ioctl_dma_pool)
1150 return;
1151
1152 for (i = 0; i < MPI3MR_NUM_IOCTL_SGE; i++) {
1153 mem_desc = &mrioc->ioctl_sge[i];
1154 if (mem_desc->addr) {
1155 dma_pool_free(mrioc->ioctl_dma_pool,
1156 mem_desc->addr,
1157 mem_desc->dma_addr);
1158 mem_desc->addr = NULL;
1159 }
1160 }
1161 dma_pool_destroy(mrioc->ioctl_dma_pool);
1162 mrioc->ioctl_dma_pool = NULL;
1163 mem_desc = &mrioc->ioctl_chain_sge;
1164
1165 if (mem_desc->addr) {
1166 dma_free_coherent(&mrioc->pdev->dev, mem_desc->size,
1167 mem_desc->addr, mem_desc->dma_addr);
1168 mem_desc->addr = NULL;
1169 }
1170 mem_desc = &mrioc->ioctl_resp_sge;
1171 if (mem_desc->addr) {
1172 dma_free_coherent(&mrioc->pdev->dev, mem_desc->size,
1173 mem_desc->addr, mem_desc->dma_addr);
1174 mem_desc->addr = NULL;
1175 }
1176
1177 mrioc->ioctl_sges_allocated = false;
1178}
1179
1180/**
1181 * mpi3mr_alloc_ioctl_dma_memory - Alloc memory for ioctl dma
1182 * @mrioc: Adapter instance reference
1183 *
1184 * This function allocates dmaable memory required to handle the
1185 * application issued MPI3 IOCTL requests.
1186 *
1187 * Return: None
1188 */
1189static void mpi3mr_alloc_ioctl_dma_memory(struct mpi3mr_ioc *mrioc)
1190
1191{
1192 struct dma_memory_desc *mem_desc;
1193 u16 i;
1194
1195 mrioc->ioctl_dma_pool = dma_pool_create("ioctl dma pool",
1196 &mrioc->pdev->dev,
1197 MPI3MR_IOCTL_SGE_SIZE,
1198 MPI3MR_PAGE_SIZE_4K, 0);
1199
1200 if (!mrioc->ioctl_dma_pool) {
1201 ioc_err(mrioc, "ioctl_dma_pool: dma_pool_create failed\n");
1202 goto out_failed;
1203 }
1204
1205 for (i = 0; i < MPI3MR_NUM_IOCTL_SGE; i++) {
1206 mem_desc = &mrioc->ioctl_sge[i];
1207 mem_desc->size = MPI3MR_IOCTL_SGE_SIZE;
1208 mem_desc->addr = dma_pool_zalloc(mrioc->ioctl_dma_pool,
1209 GFP_KERNEL,
1210 &mem_desc->dma_addr);
1211 if (!mem_desc->addr)
1212 goto out_failed;
1213 }
1214
1215 mem_desc = &mrioc->ioctl_chain_sge;
1216 mem_desc->size = MPI3MR_PAGE_SIZE_4K;
1217 mem_desc->addr = dma_alloc_coherent(&mrioc->pdev->dev,
1218 mem_desc->size,
1219 &mem_desc->dma_addr,
1220 GFP_KERNEL);
1221 if (!mem_desc->addr)
1222 goto out_failed;
1223
1224 mem_desc = &mrioc->ioctl_resp_sge;
1225 mem_desc->size = MPI3MR_PAGE_SIZE_4K;
1226 mem_desc->addr = dma_alloc_coherent(&mrioc->pdev->dev,
1227 mem_desc->size,
1228 &mem_desc->dma_addr,
1229 GFP_KERNEL);
1230 if (!mem_desc->addr)
1231 goto out_failed;
1232
1233 mrioc->ioctl_sges_allocated = true;
1234
1235 return;
1236out_failed:
1237 ioc_warn(mrioc, "cannot allocate DMA memory for the mpt commands\n"
1238 "from the applications, application interface for MPT command is disabled\n");
1239 mpi3mr_free_ioctl_dma_memory(mrioc);
1240}
1241
1242/**
1243 * mpi3mr_clear_reset_history - clear reset history
1244 * @mrioc: Adapter instance reference
1245 *
1246 * Write the reset history bit in IOC status to clear the bit,
1247 * if it is already set.
1248 *
1249 * Return: Nothing.
1250 */
1251static inline void mpi3mr_clear_reset_history(struct mpi3mr_ioc *mrioc)
1252{
1253 u32 ioc_status;
1254
1255 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1256 if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)
1257 writel(ioc_status, &mrioc->sysif_regs->ioc_status);
1258}
1259
1260/**
1261 * mpi3mr_issue_and_process_mur - Message unit Reset handler
1262 * @mrioc: Adapter instance reference
1263 * @reset_reason: Reset reason code
1264 *
1265 * Issue Message unit Reset to the controller and wait for it to
1266 * be complete.
1267 *
1268 * Return: 0 on success, -1 on failure.
1269 */
1270static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc,
1271 u32 reset_reason)
1272{
1273 u32 ioc_config, timeout, ioc_status, scratch_pad0;
1274 int retval = -1;
1275
1276 ioc_info(mrioc, "Issuing Message unit Reset(MUR)\n");
1277 if (mrioc->unrecoverable) {
1278 ioc_info(mrioc, "IOC is unrecoverable MUR not issued\n");
1279 return retval;
1280 }
1281 mpi3mr_clear_reset_history(mrioc);
1282 scratch_pad0 = ((MPI3MR_RESET_REASON_OSTYPE_LINUX <<
1283 MPI3MR_RESET_REASON_OSTYPE_SHIFT) |
1284 (mrioc->facts.ioc_num <<
1285 MPI3MR_RESET_REASON_IOCNUM_SHIFT) | reset_reason);
1286 writel(scratch_pad0, &mrioc->sysif_regs->scratchpad[0]);
1287 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1288 ioc_config &= ~MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC;
1289 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
1290
1291 timeout = MPI3MR_MUR_TIMEOUT * 10;
1292 do {
1293 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1294 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)) {
1295 mpi3mr_clear_reset_history(mrioc);
1296 break;
1297 }
1298 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) {
1299 mpi3mr_print_fault_info(mrioc);
1300 break;
1301 }
1302 msleep(100);
1303 } while (--timeout);
1304
1305 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1306 if (timeout && !((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) ||
1307 (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) ||
1308 (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC)))
1309 retval = 0;
1310
1311 ioc_info(mrioc, "Base IOC Sts/Config after %s MUR is (0x%08x)/(0x%08x)\n",
1312 (!retval) ? "successful" : "failed", ioc_status, ioc_config);
1313 return retval;
1314}
1315
1316/**
1317 * mpi3mr_revalidate_factsdata - validate IOCFacts parameters
1318 * during reset/resume
1319 * @mrioc: Adapter instance reference
1320 *
1321 * Return: zero if the new IOCFacts parameters value is compatible with
1322 * older values else return -EPERM
1323 */
1324static int
1325mpi3mr_revalidate_factsdata(struct mpi3mr_ioc *mrioc)
1326{
1327 unsigned long *removepend_bitmap;
1328
1329 if (mrioc->facts.reply_sz > mrioc->reply_sz) {
1330 ioc_err(mrioc,
1331 "cannot increase reply size from %d to %d\n",
1332 mrioc->reply_sz, mrioc->facts.reply_sz);
1333 return -EPERM;
1334 }
1335
1336 if (mrioc->facts.max_op_reply_q < mrioc->num_op_reply_q) {
1337 ioc_err(mrioc,
1338 "cannot reduce number of operational reply queues from %d to %d\n",
1339 mrioc->num_op_reply_q,
1340 mrioc->facts.max_op_reply_q);
1341 return -EPERM;
1342 }
1343
1344 if (mrioc->facts.max_op_req_q < mrioc->num_op_req_q) {
1345 ioc_err(mrioc,
1346 "cannot reduce number of operational request queues from %d to %d\n",
1347 mrioc->num_op_req_q, mrioc->facts.max_op_req_q);
1348 return -EPERM;
1349 }
1350
1351 if (mrioc->shost->max_sectors != (mrioc->facts.max_data_length / 512))
1352 ioc_err(mrioc, "Warning: The maximum data transfer length\n"
1353 "\tchanged after reset: previous(%d), new(%d),\n"
1354 "the driver cannot change this at run time\n",
1355 mrioc->shost->max_sectors * 512, mrioc->facts.max_data_length);
1356
1357 if ((mrioc->sas_transport_enabled) && (mrioc->facts.ioc_capabilities &
1358 MPI3_IOCFACTS_CAPABILITY_MULTIPATH_SUPPORTED))
1359 ioc_err(mrioc,
1360 "critical error: multipath capability is enabled at the\n"
1361 "\tcontroller while sas transport support is enabled at the\n"
1362 "\tdriver, please reboot the system or reload the driver\n");
1363
1364 if (mrioc->seg_tb_support) {
1365 if (!(mrioc->facts.ioc_capabilities &
1366 MPI3_IOCFACTS_CAPABILITY_SEG_DIAG_TRACE_SUPPORTED)) {
1367 ioc_err(mrioc,
1368 "critical error: previously enabled segmented trace\n"
1369 " buffer capability is disabled after reset. Please\n"
1370 " update the firmware or reboot the system or\n"
1371 " reload the driver to enable trace diag buffer\n");
1372 mrioc->diag_buffers[0].disabled_after_reset = true;
1373 } else
1374 mrioc->diag_buffers[0].disabled_after_reset = false;
1375 }
1376
1377 if (mrioc->facts.max_devhandle > mrioc->dev_handle_bitmap_bits) {
1378 removepend_bitmap = bitmap_zalloc(mrioc->facts.max_devhandle,
1379 GFP_KERNEL);
1380 if (!removepend_bitmap) {
1381 ioc_err(mrioc,
1382 "failed to increase removepend_bitmap bits from %d to %d\n",
1383 mrioc->dev_handle_bitmap_bits,
1384 mrioc->facts.max_devhandle);
1385 return -EPERM;
1386 }
1387 bitmap_free(mrioc->removepend_bitmap);
1388 mrioc->removepend_bitmap = removepend_bitmap;
1389 ioc_info(mrioc,
1390 "increased bits of dev_handle_bitmap from %d to %d\n",
1391 mrioc->dev_handle_bitmap_bits,
1392 mrioc->facts.max_devhandle);
1393 mrioc->dev_handle_bitmap_bits = mrioc->facts.max_devhandle;
1394 }
1395
1396 return 0;
1397}
1398
1399/**
1400 * mpi3mr_bring_ioc_ready - Bring controller to ready state
1401 * @mrioc: Adapter instance reference
1402 *
1403 * Set Enable IOC bit in IOC configuration register and wait for
1404 * the controller to become ready.
1405 *
1406 * Return: 0 on success, appropriate error on failure.
1407 */
1408static int mpi3mr_bring_ioc_ready(struct mpi3mr_ioc *mrioc)
1409{
1410 u32 ioc_config, ioc_status, timeout, host_diagnostic;
1411 int retval = 0;
1412 enum mpi3mr_iocstate ioc_state;
1413 u64 base_info;
1414 u8 retry = 0;
1415 u64 start_time, elapsed_time_sec;
1416
1417retry_bring_ioc_ready:
1418
1419 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1420 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1421 base_info = lo_hi_readq(&mrioc->sysif_regs->ioc_information);
1422 ioc_info(mrioc, "ioc_status(0x%08x), ioc_config(0x%08x), ioc_info(0x%016llx) at the bringup\n",
1423 ioc_status, ioc_config, base_info);
1424
1425 if (!mpi3mr_is_fault_recoverable(mrioc)) {
1426 mrioc->unrecoverable = 1;
1427 goto out_device_not_present;
1428 }
1429
1430 /*The timeout value is in 2sec unit, changing it to seconds*/
1431 mrioc->ready_timeout =
1432 ((base_info & MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_MASK) >>
1433 MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_SHIFT) * 2;
1434
1435 ioc_info(mrioc, "ready timeout: %d seconds\n", mrioc->ready_timeout);
1436
1437 ioc_state = mpi3mr_get_iocstate(mrioc);
1438 ioc_info(mrioc, "controller is in %s state during detection\n",
1439 mpi3mr_iocstate_name(ioc_state));
1440
1441 timeout = mrioc->ready_timeout * 10;
1442
1443 do {
1444 ioc_state = mpi3mr_get_iocstate(mrioc);
1445
1446 if (ioc_state != MRIOC_STATE_BECOMING_READY &&
1447 ioc_state != MRIOC_STATE_RESET_REQUESTED)
1448 break;
1449
1450 if (!pci_device_is_present(mrioc->pdev)) {
1451 mrioc->unrecoverable = 1;
1452 ioc_err(mrioc, "controller is not present while waiting to reset\n");
1453 goto out_device_not_present;
1454 }
1455
1456 msleep(100);
1457 } while (--timeout);
1458
1459 if (ioc_state == MRIOC_STATE_READY) {
1460 ioc_info(mrioc, "issuing message unit reset (MUR) to bring to reset state\n");
1461 retval = mpi3mr_issue_and_process_mur(mrioc,
1462 MPI3MR_RESET_FROM_BRINGUP);
1463 ioc_state = mpi3mr_get_iocstate(mrioc);
1464 if (retval)
1465 ioc_err(mrioc,
1466 "message unit reset failed with error %d current state %s\n",
1467 retval, mpi3mr_iocstate_name(ioc_state));
1468 }
1469 if (ioc_state != MRIOC_STATE_RESET) {
1470 if (ioc_state == MRIOC_STATE_FAULT) {
1471 timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
1472 mpi3mr_print_fault_info(mrioc);
1473 do {
1474 host_diagnostic =
1475 readl(&mrioc->sysif_regs->host_diagnostic);
1476 if (!(host_diagnostic &
1477 MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS))
1478 break;
1479 if (!pci_device_is_present(mrioc->pdev)) {
1480 mrioc->unrecoverable = 1;
1481 ioc_err(mrioc, "controller is not present at the bringup\n");
1482 goto out_device_not_present;
1483 }
1484 msleep(100);
1485 } while (--timeout);
1486 }
1487 mpi3mr_print_fault_info(mrioc);
1488 ioc_info(mrioc, "issuing soft reset to bring to reset state\n");
1489 retval = mpi3mr_issue_reset(mrioc,
1490 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET,
1491 MPI3MR_RESET_FROM_BRINGUP);
1492 if (retval) {
1493 ioc_err(mrioc,
1494 "soft reset failed with error %d\n", retval);
1495 goto out_failed;
1496 }
1497 }
1498 ioc_state = mpi3mr_get_iocstate(mrioc);
1499 if (ioc_state != MRIOC_STATE_RESET) {
1500 ioc_err(mrioc,
1501 "cannot bring controller to reset state, current state: %s\n",
1502 mpi3mr_iocstate_name(ioc_state));
1503 goto out_failed;
1504 }
1505 mpi3mr_clear_reset_history(mrioc);
1506 retval = mpi3mr_setup_admin_qpair(mrioc);
1507 if (retval) {
1508 ioc_err(mrioc, "failed to setup admin queues: error %d\n",
1509 retval);
1510 goto out_failed;
1511 }
1512
1513 ioc_info(mrioc, "bringing controller to ready state\n");
1514 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1515 ioc_config |= MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC;
1516 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
1517
1518 if (retry == 0)
1519 start_time = jiffies;
1520
1521 timeout = mrioc->ready_timeout * 10;
1522 do {
1523 ioc_state = mpi3mr_get_iocstate(mrioc);
1524 if (ioc_state == MRIOC_STATE_READY) {
1525 ioc_info(mrioc,
1526 "successfully transitioned to %s state\n",
1527 mpi3mr_iocstate_name(ioc_state));
1528 return 0;
1529 }
1530 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1531 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
1532 (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
1533 mpi3mr_print_fault_info(mrioc);
1534 goto out_failed;
1535 }
1536 if (!pci_device_is_present(mrioc->pdev)) {
1537 mrioc->unrecoverable = 1;
1538 ioc_err(mrioc,
1539 "controller is not present at the bringup\n");
1540 retval = -1;
1541 goto out_device_not_present;
1542 }
1543 msleep(100);
1544 elapsed_time_sec = jiffies_to_msecs(jiffies - start_time)/1000;
1545 } while (elapsed_time_sec < mrioc->ready_timeout);
1546
1547out_failed:
1548 elapsed_time_sec = jiffies_to_msecs(jiffies - start_time)/1000;
1549 if ((retry < 2) && (elapsed_time_sec < (mrioc->ready_timeout - 60))) {
1550 retry++;
1551
1552 ioc_warn(mrioc, "retrying to bring IOC ready, retry_count:%d\n"
1553 " elapsed time =%llu\n", retry, elapsed_time_sec);
1554
1555 goto retry_bring_ioc_ready;
1556 }
1557 ioc_state = mpi3mr_get_iocstate(mrioc);
1558 ioc_err(mrioc,
1559 "failed to bring to ready state, current state: %s\n",
1560 mpi3mr_iocstate_name(ioc_state));
1561out_device_not_present:
1562 return retval;
1563}
1564
1565/**
1566 * mpi3mr_soft_reset_success - Check softreset is success or not
1567 * @ioc_status: IOC status register value
1568 * @ioc_config: IOC config register value
1569 *
1570 * Check whether the soft reset is successful or not based on
1571 * IOC status and IOC config register values.
1572 *
1573 * Return: True when the soft reset is success, false otherwise.
1574 */
1575static inline bool
1576mpi3mr_soft_reset_success(u32 ioc_status, u32 ioc_config)
1577{
1578 if (!((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) ||
1579 (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC)))
1580 return true;
1581 return false;
1582}
1583
1584/**
1585 * mpi3mr_diagfault_success - Check diag fault is success or not
1586 * @mrioc: Adapter reference
1587 * @ioc_status: IOC status register value
1588 *
1589 * Check whether the controller hit diag reset fault code.
1590 *
1591 * Return: True when there is diag fault, false otherwise.
1592 */
1593static inline bool mpi3mr_diagfault_success(struct mpi3mr_ioc *mrioc,
1594 u32 ioc_status)
1595{
1596 u32 fault;
1597
1598 if (!(ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT))
1599 return false;
1600 fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK;
1601 if (fault == MPI3_SYSIF_FAULT_CODE_DIAG_FAULT_RESET) {
1602 mpi3mr_print_fault_info(mrioc);
1603 return true;
1604 }
1605 return false;
1606}
1607
1608/**
1609 * mpi3mr_set_diagsave - Set diag save bit for snapdump
1610 * @mrioc: Adapter reference
1611 *
1612 * Set diag save bit in IOC configuration register to enable
1613 * snapdump.
1614 *
1615 * Return: Nothing.
1616 */
1617static inline void mpi3mr_set_diagsave(struct mpi3mr_ioc *mrioc)
1618{
1619 u32 ioc_config;
1620
1621 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1622 ioc_config |= MPI3_SYSIF_IOC_CONFIG_DIAG_SAVE;
1623 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
1624}
1625
1626/**
1627 * mpi3mr_issue_reset - Issue reset to the controller
1628 * @mrioc: Adapter reference
1629 * @reset_type: Reset type
1630 * @reset_reason: Reset reason code
1631 *
1632 * Unlock the host diagnostic registers and write the specific
1633 * reset type to that, wait for reset acknowledgment from the
1634 * controller, if the reset is not successful retry for the
1635 * predefined number of times.
1636 *
1637 * Return: 0 on success, non-zero on failure.
1638 */
1639static int mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type,
1640 u16 reset_reason)
1641{
1642 int retval = -1;
1643 u8 unlock_retry_count = 0;
1644 u32 host_diagnostic, ioc_status, ioc_config, scratch_pad0;
1645 u32 timeout = MPI3MR_RESET_ACK_TIMEOUT * 10;
1646
1647 if ((reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET) &&
1648 (reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT))
1649 return retval;
1650 if (mrioc->unrecoverable)
1651 return retval;
1652 if (reset_reason == MPI3MR_RESET_FROM_FIRMWARE) {
1653 retval = 0;
1654 return retval;
1655 }
1656
1657 ioc_info(mrioc, "%s reset due to %s(0x%x)\n",
1658 mpi3mr_reset_type_name(reset_type),
1659 mpi3mr_reset_rc_name(reset_reason), reset_reason);
1660
1661 mpi3mr_clear_reset_history(mrioc);
1662 do {
1663 ioc_info(mrioc,
1664 "Write magic sequence to unlock host diag register (retry=%d)\n",
1665 ++unlock_retry_count);
1666 if (unlock_retry_count >= MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT) {
1667 ioc_err(mrioc,
1668 "%s reset failed due to unlock failure, host_diagnostic(0x%08x)\n",
1669 mpi3mr_reset_type_name(reset_type),
1670 host_diagnostic);
1671 mrioc->unrecoverable = 1;
1672 return retval;
1673 }
1674
1675 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_FLUSH,
1676 &mrioc->sysif_regs->write_sequence);
1677 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_1ST,
1678 &mrioc->sysif_regs->write_sequence);
1679 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND,
1680 &mrioc->sysif_regs->write_sequence);
1681 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_3RD,
1682 &mrioc->sysif_regs->write_sequence);
1683 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_4TH,
1684 &mrioc->sysif_regs->write_sequence);
1685 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_5TH,
1686 &mrioc->sysif_regs->write_sequence);
1687 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_6TH,
1688 &mrioc->sysif_regs->write_sequence);
1689 usleep_range(1000, 1100);
1690 host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
1691 ioc_info(mrioc,
1692 "wrote magic sequence: retry_count(%d), host_diagnostic(0x%08x)\n",
1693 unlock_retry_count, host_diagnostic);
1694 } while (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_DIAG_WRITE_ENABLE));
1695
1696 scratch_pad0 = ((MPI3MR_RESET_REASON_OSTYPE_LINUX <<
1697 MPI3MR_RESET_REASON_OSTYPE_SHIFT) | (mrioc->facts.ioc_num <<
1698 MPI3MR_RESET_REASON_IOCNUM_SHIFT) | reset_reason);
1699 writel(reset_reason, &mrioc->sysif_regs->scratchpad[0]);
1700 writel(host_diagnostic | reset_type,
1701 &mrioc->sysif_regs->host_diagnostic);
1702 switch (reset_type) {
1703 case MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET:
1704 do {
1705 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1706 ioc_config =
1707 readl(&mrioc->sysif_regs->ioc_configuration);
1708 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)
1709 && mpi3mr_soft_reset_success(ioc_status, ioc_config)
1710 ) {
1711 mpi3mr_clear_reset_history(mrioc);
1712 retval = 0;
1713 break;
1714 }
1715 msleep(100);
1716 } while (--timeout);
1717 mpi3mr_print_fault_info(mrioc);
1718 break;
1719 case MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT:
1720 do {
1721 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1722 if (mpi3mr_diagfault_success(mrioc, ioc_status)) {
1723 retval = 0;
1724 break;
1725 }
1726 msleep(100);
1727 } while (--timeout);
1728 break;
1729 default:
1730 break;
1731 }
1732
1733 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND,
1734 &mrioc->sysif_regs->write_sequence);
1735
1736 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
1737 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
1738 ioc_info(mrioc,
1739 "ioc_status/ioc_config after %s reset is (0x%08x)/(0x%08x)\n",
1740 (!retval)?"successful":"failed", ioc_status,
1741 ioc_config);
1742 if (retval)
1743 mrioc->unrecoverable = 1;
1744 return retval;
1745}
1746
1747/**
1748 * mpi3mr_admin_request_post - Post request to admin queue
1749 * @mrioc: Adapter reference
1750 * @admin_req: MPI3 request
1751 * @admin_req_sz: Request size
1752 * @ignore_reset: Ignore reset in process
1753 *
1754 * Post the MPI3 request into admin request queue and
1755 * inform the controller, if the queue is full return
1756 * appropriate error.
1757 *
1758 * Return: 0 on success, non-zero on failure.
1759 */
1760int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
1761 u16 admin_req_sz, u8 ignore_reset)
1762{
1763 u16 areq_pi = 0, areq_ci = 0, max_entries = 0;
1764 int retval = 0;
1765 unsigned long flags;
1766 u8 *areq_entry;
1767
1768 if (mrioc->unrecoverable) {
1769 ioc_err(mrioc, "%s : Unrecoverable controller\n", __func__);
1770 return -EFAULT;
1771 }
1772
1773 spin_lock_irqsave(&mrioc->admin_req_lock, flags);
1774 areq_pi = mrioc->admin_req_pi;
1775 areq_ci = mrioc->admin_req_ci;
1776 max_entries = mrioc->num_admin_req;
1777 if ((areq_ci == (areq_pi + 1)) || ((!areq_ci) &&
1778 (areq_pi == (max_entries - 1)))) {
1779 ioc_err(mrioc, "AdminReqQ full condition detected\n");
1780 retval = -EAGAIN;
1781 goto out;
1782 }
1783 if (!ignore_reset && mrioc->reset_in_progress) {
1784 ioc_err(mrioc, "AdminReqQ submit reset in progress\n");
1785 retval = -EAGAIN;
1786 goto out;
1787 }
1788 if (mrioc->pci_err_recovery) {
1789 ioc_err(mrioc, "admin request queue submission failed due to pci error recovery in progress\n");
1790 retval = -EAGAIN;
1791 goto out;
1792 }
1793
1794 areq_entry = (u8 *)mrioc->admin_req_base +
1795 (areq_pi * MPI3MR_ADMIN_REQ_FRAME_SZ);
1796 memset(areq_entry, 0, MPI3MR_ADMIN_REQ_FRAME_SZ);
1797 memcpy(areq_entry, (u8 *)admin_req, admin_req_sz);
1798
1799 if (++areq_pi == max_entries)
1800 areq_pi = 0;
1801 mrioc->admin_req_pi = areq_pi;
1802
1803 writel(mrioc->admin_req_pi, &mrioc->sysif_regs->admin_request_queue_pi);
1804
1805out:
1806 spin_unlock_irqrestore(&mrioc->admin_req_lock, flags);
1807
1808 return retval;
1809}
1810
1811/**
1812 * mpi3mr_free_op_req_q_segments - free request memory segments
1813 * @mrioc: Adapter instance reference
1814 * @q_idx: operational request queue index
1815 *
1816 * Free memory segments allocated for operational request queue
1817 *
1818 * Return: Nothing.
1819 */
1820static void mpi3mr_free_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx)
1821{
1822 u16 j;
1823 int size;
1824 struct segments *segments;
1825
1826 segments = mrioc->req_qinfo[q_idx].q_segments;
1827 if (!segments)
1828 return;
1829
1830 if (mrioc->enable_segqueue) {
1831 size = MPI3MR_OP_REQ_Q_SEG_SIZE;
1832 if (mrioc->req_qinfo[q_idx].q_segment_list) {
1833 dma_free_coherent(&mrioc->pdev->dev,
1834 MPI3MR_MAX_SEG_LIST_SIZE,
1835 mrioc->req_qinfo[q_idx].q_segment_list,
1836 mrioc->req_qinfo[q_idx].q_segment_list_dma);
1837 mrioc->req_qinfo[q_idx].q_segment_list = NULL;
1838 }
1839 } else
1840 size = mrioc->req_qinfo[q_idx].segment_qd *
1841 mrioc->facts.op_req_sz;
1842
1843 for (j = 0; j < mrioc->req_qinfo[q_idx].num_segments; j++) {
1844 if (!segments[j].segment)
1845 continue;
1846 dma_free_coherent(&mrioc->pdev->dev,
1847 size, segments[j].segment, segments[j].segment_dma);
1848 segments[j].segment = NULL;
1849 }
1850 kfree(mrioc->req_qinfo[q_idx].q_segments);
1851 mrioc->req_qinfo[q_idx].q_segments = NULL;
1852 mrioc->req_qinfo[q_idx].qid = 0;
1853}
1854
1855/**
1856 * mpi3mr_free_op_reply_q_segments - free reply memory segments
1857 * @mrioc: Adapter instance reference
1858 * @q_idx: operational reply queue index
1859 *
1860 * Free memory segments allocated for operational reply queue
1861 *
1862 * Return: Nothing.
1863 */
1864static void mpi3mr_free_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx)
1865{
1866 u16 j;
1867 int size;
1868 struct segments *segments;
1869
1870 segments = mrioc->op_reply_qinfo[q_idx].q_segments;
1871 if (!segments)
1872 return;
1873
1874 if (mrioc->enable_segqueue) {
1875 size = MPI3MR_OP_REP_Q_SEG_SIZE;
1876 if (mrioc->op_reply_qinfo[q_idx].q_segment_list) {
1877 dma_free_coherent(&mrioc->pdev->dev,
1878 MPI3MR_MAX_SEG_LIST_SIZE,
1879 mrioc->op_reply_qinfo[q_idx].q_segment_list,
1880 mrioc->op_reply_qinfo[q_idx].q_segment_list_dma);
1881 mrioc->op_reply_qinfo[q_idx].q_segment_list = NULL;
1882 }
1883 } else
1884 size = mrioc->op_reply_qinfo[q_idx].segment_qd *
1885 mrioc->op_reply_desc_sz;
1886
1887 for (j = 0; j < mrioc->op_reply_qinfo[q_idx].num_segments; j++) {
1888 if (!segments[j].segment)
1889 continue;
1890 dma_free_coherent(&mrioc->pdev->dev,
1891 size, segments[j].segment, segments[j].segment_dma);
1892 segments[j].segment = NULL;
1893 }
1894
1895 kfree(mrioc->op_reply_qinfo[q_idx].q_segments);
1896 mrioc->op_reply_qinfo[q_idx].q_segments = NULL;
1897 mrioc->op_reply_qinfo[q_idx].qid = 0;
1898}
1899
1900/**
1901 * mpi3mr_delete_op_reply_q - delete operational reply queue
1902 * @mrioc: Adapter instance reference
1903 * @qidx: operational reply queue index
1904 *
1905 * Delete operatinal reply queue by issuing MPI request
1906 * through admin queue.
1907 *
1908 * Return: 0 on success, non-zero on failure.
1909 */
1910static int mpi3mr_delete_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
1911{
1912 struct mpi3_delete_reply_queue_request delq_req;
1913 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
1914 int retval = 0;
1915 u16 reply_qid = 0, midx;
1916
1917 reply_qid = op_reply_q->qid;
1918
1919 midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset);
1920
1921 if (!reply_qid) {
1922 retval = -1;
1923 ioc_err(mrioc, "Issue DelRepQ: called with invalid ReqQID\n");
1924 goto out;
1925 }
1926
1927 (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) ? mrioc->default_qcount-- :
1928 mrioc->active_poll_qcount--;
1929
1930 memset(&delq_req, 0, sizeof(delq_req));
1931 mutex_lock(&mrioc->init_cmds.mutex);
1932 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
1933 retval = -1;
1934 ioc_err(mrioc, "Issue DelRepQ: Init command is in use\n");
1935 mutex_unlock(&mrioc->init_cmds.mutex);
1936 goto out;
1937 }
1938 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
1939 mrioc->init_cmds.is_waiting = 1;
1940 mrioc->init_cmds.callback = NULL;
1941 delq_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
1942 delq_req.function = MPI3_FUNCTION_DELETE_REPLY_QUEUE;
1943 delq_req.queue_id = cpu_to_le16(reply_qid);
1944
1945 init_completion(&mrioc->init_cmds.done);
1946 retval = mpi3mr_admin_request_post(mrioc, &delq_req, sizeof(delq_req),
1947 1);
1948 if (retval) {
1949 ioc_err(mrioc, "Issue DelRepQ: Admin Post failed\n");
1950 goto out_unlock;
1951 }
1952 wait_for_completion_timeout(&mrioc->init_cmds.done,
1953 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
1954 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
1955 ioc_err(mrioc, "delete reply queue timed out\n");
1956 mpi3mr_check_rh_fault_ioc(mrioc,
1957 MPI3MR_RESET_FROM_DELREPQ_TIMEOUT);
1958 retval = -1;
1959 goto out_unlock;
1960 }
1961 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
1962 != MPI3_IOCSTATUS_SUCCESS) {
1963 ioc_err(mrioc,
1964 "Issue DelRepQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
1965 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
1966 mrioc->init_cmds.ioc_loginfo);
1967 retval = -1;
1968 goto out_unlock;
1969 }
1970 mrioc->intr_info[midx].op_reply_q = NULL;
1971
1972 mpi3mr_free_op_reply_q_segments(mrioc, qidx);
1973out_unlock:
1974 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
1975 mutex_unlock(&mrioc->init_cmds.mutex);
1976out:
1977
1978 return retval;
1979}
1980
1981/**
1982 * mpi3mr_alloc_op_reply_q_segments -Alloc segmented reply pool
1983 * @mrioc: Adapter instance reference
1984 * @qidx: request queue index
1985 *
1986 * Allocate segmented memory pools for operational reply
1987 * queue.
1988 *
1989 * Return: 0 on success, non-zero on failure.
1990 */
1991static int mpi3mr_alloc_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 qidx)
1992{
1993 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
1994 int i, size;
1995 u64 *q_segment_list_entry = NULL;
1996 struct segments *segments;
1997
1998 if (mrioc->enable_segqueue) {
1999 op_reply_q->segment_qd =
2000 MPI3MR_OP_REP_Q_SEG_SIZE / mrioc->op_reply_desc_sz;
2001
2002 size = MPI3MR_OP_REP_Q_SEG_SIZE;
2003
2004 op_reply_q->q_segment_list = dma_alloc_coherent(&mrioc->pdev->dev,
2005 MPI3MR_MAX_SEG_LIST_SIZE, &op_reply_q->q_segment_list_dma,
2006 GFP_KERNEL);
2007 if (!op_reply_q->q_segment_list)
2008 return -ENOMEM;
2009 q_segment_list_entry = (u64 *)op_reply_q->q_segment_list;
2010 } else {
2011 op_reply_q->segment_qd = op_reply_q->num_replies;
2012 size = op_reply_q->num_replies * mrioc->op_reply_desc_sz;
2013 }
2014
2015 op_reply_q->num_segments = DIV_ROUND_UP(op_reply_q->num_replies,
2016 op_reply_q->segment_qd);
2017
2018 op_reply_q->q_segments = kcalloc(op_reply_q->num_segments,
2019 sizeof(struct segments), GFP_KERNEL);
2020 if (!op_reply_q->q_segments)
2021 return -ENOMEM;
2022
2023 segments = op_reply_q->q_segments;
2024 for (i = 0; i < op_reply_q->num_segments; i++) {
2025 segments[i].segment =
2026 dma_alloc_coherent(&mrioc->pdev->dev,
2027 size, &segments[i].segment_dma, GFP_KERNEL);
2028 if (!segments[i].segment)
2029 return -ENOMEM;
2030 if (mrioc->enable_segqueue)
2031 q_segment_list_entry[i] =
2032 (unsigned long)segments[i].segment_dma;
2033 }
2034
2035 return 0;
2036}
2037
2038/**
2039 * mpi3mr_alloc_op_req_q_segments - Alloc segmented req pool.
2040 * @mrioc: Adapter instance reference
2041 * @qidx: request queue index
2042 *
2043 * Allocate segmented memory pools for operational request
2044 * queue.
2045 *
2046 * Return: 0 on success, non-zero on failure.
2047 */
2048static int mpi3mr_alloc_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 qidx)
2049{
2050 struct op_req_qinfo *op_req_q = mrioc->req_qinfo + qidx;
2051 int i, size;
2052 u64 *q_segment_list_entry = NULL;
2053 struct segments *segments;
2054
2055 if (mrioc->enable_segqueue) {
2056 op_req_q->segment_qd =
2057 MPI3MR_OP_REQ_Q_SEG_SIZE / mrioc->facts.op_req_sz;
2058
2059 size = MPI3MR_OP_REQ_Q_SEG_SIZE;
2060
2061 op_req_q->q_segment_list = dma_alloc_coherent(&mrioc->pdev->dev,
2062 MPI3MR_MAX_SEG_LIST_SIZE, &op_req_q->q_segment_list_dma,
2063 GFP_KERNEL);
2064 if (!op_req_q->q_segment_list)
2065 return -ENOMEM;
2066 q_segment_list_entry = (u64 *)op_req_q->q_segment_list;
2067
2068 } else {
2069 op_req_q->segment_qd = op_req_q->num_requests;
2070 size = op_req_q->num_requests * mrioc->facts.op_req_sz;
2071 }
2072
2073 op_req_q->num_segments = DIV_ROUND_UP(op_req_q->num_requests,
2074 op_req_q->segment_qd);
2075
2076 op_req_q->q_segments = kcalloc(op_req_q->num_segments,
2077 sizeof(struct segments), GFP_KERNEL);
2078 if (!op_req_q->q_segments)
2079 return -ENOMEM;
2080
2081 segments = op_req_q->q_segments;
2082 for (i = 0; i < op_req_q->num_segments; i++) {
2083 segments[i].segment =
2084 dma_alloc_coherent(&mrioc->pdev->dev,
2085 size, &segments[i].segment_dma, GFP_KERNEL);
2086 if (!segments[i].segment)
2087 return -ENOMEM;
2088 if (mrioc->enable_segqueue)
2089 q_segment_list_entry[i] =
2090 (unsigned long)segments[i].segment_dma;
2091 }
2092
2093 return 0;
2094}
2095
2096/**
2097 * mpi3mr_create_op_reply_q - create operational reply queue
2098 * @mrioc: Adapter instance reference
2099 * @qidx: operational reply queue index
2100 *
2101 * Create operatinal reply queue by issuing MPI request
2102 * through admin queue.
2103 *
2104 * Return: 0 on success, non-zero on failure.
2105 */
2106static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
2107{
2108 struct mpi3_create_reply_queue_request create_req;
2109 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
2110 int retval = 0;
2111 u16 reply_qid = 0, midx;
2112
2113 reply_qid = op_reply_q->qid;
2114
2115 midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset);
2116
2117 if (reply_qid) {
2118 retval = -1;
2119 ioc_err(mrioc, "CreateRepQ: called for duplicate qid %d\n",
2120 reply_qid);
2121
2122 return retval;
2123 }
2124
2125 reply_qid = qidx + 1;
2126
2127 if (mrioc->pdev->device == MPI3_MFGPAGE_DEVID_SAS4116) {
2128 if (mrioc->pdev->revision)
2129 op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD;
2130 else
2131 op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD4K;
2132 } else
2133 op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD2K;
2134
2135 op_reply_q->ci = 0;
2136 op_reply_q->ephase = 1;
2137 atomic_set(&op_reply_q->pend_ios, 0);
2138 atomic_set(&op_reply_q->in_use, 0);
2139 op_reply_q->enable_irq_poll = false;
2140 op_reply_q->qfull_watermark =
2141 op_reply_q->num_replies - (MPI3MR_THRESHOLD_REPLY_COUNT * 2);
2142
2143 if (!op_reply_q->q_segments) {
2144 retval = mpi3mr_alloc_op_reply_q_segments(mrioc, qidx);
2145 if (retval) {
2146 mpi3mr_free_op_reply_q_segments(mrioc, qidx);
2147 goto out;
2148 }
2149 }
2150
2151 memset(&create_req, 0, sizeof(create_req));
2152 mutex_lock(&mrioc->init_cmds.mutex);
2153 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
2154 retval = -1;
2155 ioc_err(mrioc, "CreateRepQ: Init command is in use\n");
2156 goto out_unlock;
2157 }
2158 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
2159 mrioc->init_cmds.is_waiting = 1;
2160 mrioc->init_cmds.callback = NULL;
2161 create_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
2162 create_req.function = MPI3_FUNCTION_CREATE_REPLY_QUEUE;
2163 create_req.queue_id = cpu_to_le16(reply_qid);
2164
2165 if (midx < (mrioc->intr_info_count - mrioc->requested_poll_qcount))
2166 op_reply_q->qtype = MPI3MR_DEFAULT_QUEUE;
2167 else
2168 op_reply_q->qtype = MPI3MR_POLL_QUEUE;
2169
2170 if (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) {
2171 create_req.flags =
2172 MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_ENABLE;
2173 create_req.msix_index =
2174 cpu_to_le16(mrioc->intr_info[midx].msix_index);
2175 } else {
2176 create_req.msix_index = cpu_to_le16(mrioc->intr_info_count - 1);
2177 ioc_info(mrioc, "create reply queue(polled): for qid(%d), midx(%d)\n",
2178 reply_qid, midx);
2179 if (!mrioc->active_poll_qcount)
2180 disable_irq_nosync(pci_irq_vector(mrioc->pdev,
2181 mrioc->intr_info_count - 1));
2182 }
2183
2184 if (mrioc->enable_segqueue) {
2185 create_req.flags |=
2186 MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED;
2187 create_req.base_address = cpu_to_le64(
2188 op_reply_q->q_segment_list_dma);
2189 } else
2190 create_req.base_address = cpu_to_le64(
2191 op_reply_q->q_segments[0].segment_dma);
2192
2193 create_req.size = cpu_to_le16(op_reply_q->num_replies);
2194
2195 init_completion(&mrioc->init_cmds.done);
2196 retval = mpi3mr_admin_request_post(mrioc, &create_req,
2197 sizeof(create_req), 1);
2198 if (retval) {
2199 ioc_err(mrioc, "CreateRepQ: Admin Post failed\n");
2200 goto out_unlock;
2201 }
2202 wait_for_completion_timeout(&mrioc->init_cmds.done,
2203 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
2204 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
2205 ioc_err(mrioc, "create reply queue timed out\n");
2206 mpi3mr_check_rh_fault_ioc(mrioc,
2207 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT);
2208 retval = -1;
2209 goto out_unlock;
2210 }
2211 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
2212 != MPI3_IOCSTATUS_SUCCESS) {
2213 ioc_err(mrioc,
2214 "CreateRepQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
2215 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
2216 mrioc->init_cmds.ioc_loginfo);
2217 retval = -1;
2218 goto out_unlock;
2219 }
2220 op_reply_q->qid = reply_qid;
2221 if (midx < mrioc->intr_info_count)
2222 mrioc->intr_info[midx].op_reply_q = op_reply_q;
2223
2224 (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) ? mrioc->default_qcount++ :
2225 mrioc->active_poll_qcount++;
2226
2227out_unlock:
2228 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
2229 mutex_unlock(&mrioc->init_cmds.mutex);
2230out:
2231
2232 return retval;
2233}
2234
2235/**
2236 * mpi3mr_create_op_req_q - create operational request queue
2237 * @mrioc: Adapter instance reference
2238 * @idx: operational request queue index
2239 * @reply_qid: Reply queue ID
2240 *
2241 * Create operatinal request queue by issuing MPI request
2242 * through admin queue.
2243 *
2244 * Return: 0 on success, non-zero on failure.
2245 */
2246static int mpi3mr_create_op_req_q(struct mpi3mr_ioc *mrioc, u16 idx,
2247 u16 reply_qid)
2248{
2249 struct mpi3_create_request_queue_request create_req;
2250 struct op_req_qinfo *op_req_q = mrioc->req_qinfo + idx;
2251 int retval = 0;
2252 u16 req_qid = 0;
2253
2254 req_qid = op_req_q->qid;
2255
2256 if (req_qid) {
2257 retval = -1;
2258 ioc_err(mrioc, "CreateReqQ: called for duplicate qid %d\n",
2259 req_qid);
2260
2261 return retval;
2262 }
2263 req_qid = idx + 1;
2264
2265 op_req_q->num_requests = MPI3MR_OP_REQ_Q_QD;
2266 op_req_q->ci = 0;
2267 op_req_q->pi = 0;
2268 op_req_q->reply_qid = reply_qid;
2269 spin_lock_init(&op_req_q->q_lock);
2270
2271 if (!op_req_q->q_segments) {
2272 retval = mpi3mr_alloc_op_req_q_segments(mrioc, idx);
2273 if (retval) {
2274 mpi3mr_free_op_req_q_segments(mrioc, idx);
2275 goto out;
2276 }
2277 }
2278
2279 memset(&create_req, 0, sizeof(create_req));
2280 mutex_lock(&mrioc->init_cmds.mutex);
2281 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
2282 retval = -1;
2283 ioc_err(mrioc, "CreateReqQ: Init command is in use\n");
2284 goto out_unlock;
2285 }
2286 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
2287 mrioc->init_cmds.is_waiting = 1;
2288 mrioc->init_cmds.callback = NULL;
2289 create_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
2290 create_req.function = MPI3_FUNCTION_CREATE_REQUEST_QUEUE;
2291 create_req.queue_id = cpu_to_le16(req_qid);
2292 if (mrioc->enable_segqueue) {
2293 create_req.flags =
2294 MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED;
2295 create_req.base_address = cpu_to_le64(
2296 op_req_q->q_segment_list_dma);
2297 } else
2298 create_req.base_address = cpu_to_le64(
2299 op_req_q->q_segments[0].segment_dma);
2300 create_req.reply_queue_id = cpu_to_le16(reply_qid);
2301 create_req.size = cpu_to_le16(op_req_q->num_requests);
2302
2303 init_completion(&mrioc->init_cmds.done);
2304 retval = mpi3mr_admin_request_post(mrioc, &create_req,
2305 sizeof(create_req), 1);
2306 if (retval) {
2307 ioc_err(mrioc, "CreateReqQ: Admin Post failed\n");
2308 goto out_unlock;
2309 }
2310 wait_for_completion_timeout(&mrioc->init_cmds.done,
2311 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
2312 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
2313 ioc_err(mrioc, "create request queue timed out\n");
2314 mpi3mr_check_rh_fault_ioc(mrioc,
2315 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT);
2316 retval = -1;
2317 goto out_unlock;
2318 }
2319 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
2320 != MPI3_IOCSTATUS_SUCCESS) {
2321 ioc_err(mrioc,
2322 "CreateReqQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
2323 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
2324 mrioc->init_cmds.ioc_loginfo);
2325 retval = -1;
2326 goto out_unlock;
2327 }
2328 op_req_q->qid = req_qid;
2329
2330out_unlock:
2331 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
2332 mutex_unlock(&mrioc->init_cmds.mutex);
2333out:
2334
2335 return retval;
2336}
2337
2338/**
2339 * mpi3mr_create_op_queues - create operational queue pairs
2340 * @mrioc: Adapter instance reference
2341 *
2342 * Allocate memory for operational queue meta data and call
2343 * create request and reply queue functions.
2344 *
2345 * Return: 0 on success, non-zero on failures.
2346 */
2347static int mpi3mr_create_op_queues(struct mpi3mr_ioc *mrioc)
2348{
2349 int retval = 0;
2350 u16 num_queues = 0, i = 0, msix_count_op_q = 1;
2351
2352 num_queues = min_t(int, mrioc->facts.max_op_reply_q,
2353 mrioc->facts.max_op_req_q);
2354
2355 msix_count_op_q =
2356 mrioc->intr_info_count - mrioc->op_reply_q_offset;
2357 if (!mrioc->num_queues)
2358 mrioc->num_queues = min_t(int, num_queues, msix_count_op_q);
2359 /*
2360 * During reset set the num_queues to the number of queues
2361 * that was set before the reset.
2362 */
2363 num_queues = mrioc->num_op_reply_q ?
2364 mrioc->num_op_reply_q : mrioc->num_queues;
2365 ioc_info(mrioc, "trying to create %d operational queue pairs\n",
2366 num_queues);
2367
2368 if (!mrioc->req_qinfo) {
2369 mrioc->req_qinfo = kcalloc(num_queues,
2370 sizeof(struct op_req_qinfo), GFP_KERNEL);
2371 if (!mrioc->req_qinfo) {
2372 retval = -1;
2373 goto out_failed;
2374 }
2375
2376 mrioc->op_reply_qinfo = kzalloc(sizeof(struct op_reply_qinfo) *
2377 num_queues, GFP_KERNEL);
2378 if (!mrioc->op_reply_qinfo) {
2379 retval = -1;
2380 goto out_failed;
2381 }
2382 }
2383
2384 if (mrioc->enable_segqueue)
2385 ioc_info(mrioc,
2386 "allocating operational queues through segmented queues\n");
2387
2388 for (i = 0; i < num_queues; i++) {
2389 if (mpi3mr_create_op_reply_q(mrioc, i)) {
2390 ioc_err(mrioc, "Cannot create OP RepQ %d\n", i);
2391 break;
2392 }
2393 if (mpi3mr_create_op_req_q(mrioc, i,
2394 mrioc->op_reply_qinfo[i].qid)) {
2395 ioc_err(mrioc, "Cannot create OP ReqQ %d\n", i);
2396 mpi3mr_delete_op_reply_q(mrioc, i);
2397 break;
2398 }
2399 }
2400
2401 if (i == 0) {
2402 /* Not even one queue is created successfully*/
2403 retval = -1;
2404 goto out_failed;
2405 }
2406 mrioc->num_op_reply_q = mrioc->num_op_req_q = i;
2407 ioc_info(mrioc,
2408 "successfully created %d operational queue pairs(default/polled) queue = (%d/%d)\n",
2409 mrioc->num_op_reply_q, mrioc->default_qcount,
2410 mrioc->active_poll_qcount);
2411
2412 return retval;
2413out_failed:
2414 kfree(mrioc->req_qinfo);
2415 mrioc->req_qinfo = NULL;
2416
2417 kfree(mrioc->op_reply_qinfo);
2418 mrioc->op_reply_qinfo = NULL;
2419
2420 return retval;
2421}
2422
2423/**
2424 * mpi3mr_op_request_post - Post request to operational queue
2425 * @mrioc: Adapter reference
2426 * @op_req_q: Operational request queue info
2427 * @req: MPI3 request
2428 *
2429 * Post the MPI3 request into operational request queue and
2430 * inform the controller, if the queue is full return
2431 * appropriate error.
2432 *
2433 * Return: 0 on success, non-zero on failure.
2434 */
2435int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
2436 struct op_req_qinfo *op_req_q, u8 *req)
2437{
2438 u16 pi = 0, max_entries, reply_qidx = 0, midx;
2439 int retval = 0;
2440 unsigned long flags;
2441 u8 *req_entry;
2442 void *segment_base_addr;
2443 u16 req_sz = mrioc->facts.op_req_sz;
2444 struct segments *segments = op_req_q->q_segments;
2445 struct op_reply_qinfo *op_reply_q = NULL;
2446
2447 reply_qidx = op_req_q->reply_qid - 1;
2448 op_reply_q = mrioc->op_reply_qinfo + reply_qidx;
2449
2450 if (mrioc->unrecoverable)
2451 return -EFAULT;
2452
2453 spin_lock_irqsave(&op_req_q->q_lock, flags);
2454 pi = op_req_q->pi;
2455 max_entries = op_req_q->num_requests;
2456
2457 if (mpi3mr_check_req_qfull(op_req_q)) {
2458 midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(
2459 reply_qidx, mrioc->op_reply_q_offset);
2460 mpi3mr_process_op_reply_q(mrioc, mrioc->intr_info[midx].op_reply_q);
2461
2462 if (mpi3mr_check_req_qfull(op_req_q)) {
2463 retval = -EAGAIN;
2464 goto out;
2465 }
2466 }
2467
2468 if (mrioc->reset_in_progress) {
2469 ioc_err(mrioc, "OpReqQ submit reset in progress\n");
2470 retval = -EAGAIN;
2471 goto out;
2472 }
2473 if (mrioc->pci_err_recovery) {
2474 ioc_err(mrioc, "operational request queue submission failed due to pci error recovery in progress\n");
2475 retval = -EAGAIN;
2476 goto out;
2477 }
2478
2479 /* Reply queue is nearing to get full, push back IOs to SML */
2480 if ((mrioc->prevent_reply_qfull == true) &&
2481 (atomic_read(&op_reply_q->pend_ios) >
2482 (op_reply_q->qfull_watermark))) {
2483 atomic_inc(&mrioc->reply_qfull_count);
2484 retval = -EAGAIN;
2485 goto out;
2486 }
2487
2488 segment_base_addr = segments[pi / op_req_q->segment_qd].segment;
2489 req_entry = (u8 *)segment_base_addr +
2490 ((pi % op_req_q->segment_qd) * req_sz);
2491
2492 memset(req_entry, 0, req_sz);
2493 memcpy(req_entry, req, MPI3MR_ADMIN_REQ_FRAME_SZ);
2494
2495 if (++pi == max_entries)
2496 pi = 0;
2497 op_req_q->pi = pi;
2498
2499#ifndef CONFIG_PREEMPT_RT
2500 if (atomic_inc_return(&mrioc->op_reply_qinfo[reply_qidx].pend_ios)
2501 > MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT)
2502 mrioc->op_reply_qinfo[reply_qidx].enable_irq_poll = true;
2503#else
2504 atomic_inc_return(&mrioc->op_reply_qinfo[reply_qidx].pend_ios);
2505#endif
2506
2507 writel(op_req_q->pi,
2508 &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].producer_index);
2509
2510out:
2511 spin_unlock_irqrestore(&op_req_q->q_lock, flags);
2512 return retval;
2513}
2514
2515/**
2516 * mpi3mr_check_rh_fault_ioc - check reset history and fault
2517 * controller
2518 * @mrioc: Adapter instance reference
2519 * @reason_code: reason code for the fault.
2520 *
2521 * This routine will save snapdump and fault the controller with
2522 * the given reason code if it is not already in the fault or
2523 * not asynchronosuly reset. This will be used to handle
2524 * initilaization time faults/resets/timeout as in those cases
2525 * immediate soft reset invocation is not required.
2526 *
2527 * Return: None.
2528 */
2529void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code)
2530{
2531 u32 ioc_status, host_diagnostic, timeout;
2532 union mpi3mr_trigger_data trigger_data;
2533
2534 if (mrioc->unrecoverable) {
2535 ioc_err(mrioc, "controller is unrecoverable\n");
2536 return;
2537 }
2538
2539 if (!pci_device_is_present(mrioc->pdev)) {
2540 mrioc->unrecoverable = 1;
2541 ioc_err(mrioc, "controller is not present\n");
2542 return;
2543 }
2544 memset(&trigger_data, 0, sizeof(trigger_data));
2545 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
2546
2547 if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) {
2548 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
2549 MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0);
2550 return;
2551 } else if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) {
2552 trigger_data.fault = (readl(&mrioc->sysif_regs->fault) &
2553 MPI3_SYSIF_FAULT_CODE_MASK);
2554
2555 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
2556 MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0);
2557 mpi3mr_print_fault_info(mrioc);
2558 return;
2559 }
2560
2561 mpi3mr_set_diagsave(mrioc);
2562 mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
2563 reason_code);
2564 trigger_data.fault = (readl(&mrioc->sysif_regs->fault) &
2565 MPI3_SYSIF_FAULT_CODE_MASK);
2566 mpi3mr_set_trigger_data_in_all_hdb(mrioc, MPI3MR_HDB_TRIGGER_TYPE_FAULT,
2567 &trigger_data, 0);
2568 timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
2569 do {
2570 host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
2571 if (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS))
2572 break;
2573 msleep(100);
2574 } while (--timeout);
2575}
2576
2577/**
2578 * mpi3mr_sync_timestamp - Issue time stamp sync request
2579 * @mrioc: Adapter reference
2580 *
2581 * Issue IO unit control MPI request to synchornize firmware
2582 * timestamp with host time.
2583 *
2584 * Return: 0 on success, non-zero on failure.
2585 */
2586static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc)
2587{
2588 ktime_t current_time;
2589 struct mpi3_iounit_control_request iou_ctrl;
2590 int retval = 0;
2591
2592 memset(&iou_ctrl, 0, sizeof(iou_ctrl));
2593 mutex_lock(&mrioc->init_cmds.mutex);
2594 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
2595 retval = -1;
2596 ioc_err(mrioc, "Issue IOUCTL time_stamp: command is in use\n");
2597 mutex_unlock(&mrioc->init_cmds.mutex);
2598 goto out;
2599 }
2600 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
2601 mrioc->init_cmds.is_waiting = 1;
2602 mrioc->init_cmds.callback = NULL;
2603 iou_ctrl.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
2604 iou_ctrl.function = MPI3_FUNCTION_IO_UNIT_CONTROL;
2605 iou_ctrl.operation = MPI3_CTRL_OP_UPDATE_TIMESTAMP;
2606 current_time = ktime_get_real();
2607 iou_ctrl.param64[0] = cpu_to_le64(ktime_to_ms(current_time));
2608
2609 init_completion(&mrioc->init_cmds.done);
2610 retval = mpi3mr_admin_request_post(mrioc, &iou_ctrl,
2611 sizeof(iou_ctrl), 0);
2612 if (retval) {
2613 ioc_err(mrioc, "Issue IOUCTL time_stamp: Admin Post failed\n");
2614 goto out_unlock;
2615 }
2616
2617 wait_for_completion_timeout(&mrioc->init_cmds.done,
2618 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
2619 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
2620 ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n");
2621 mrioc->init_cmds.is_waiting = 0;
2622 if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET))
2623 mpi3mr_check_rh_fault_ioc(mrioc,
2624 MPI3MR_RESET_FROM_TSU_TIMEOUT);
2625 retval = -1;
2626 goto out_unlock;
2627 }
2628 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
2629 != MPI3_IOCSTATUS_SUCCESS) {
2630 ioc_err(mrioc,
2631 "Issue IOUCTL time_stamp: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
2632 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
2633 mrioc->init_cmds.ioc_loginfo);
2634 retval = -1;
2635 goto out_unlock;
2636 }
2637
2638out_unlock:
2639 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
2640 mutex_unlock(&mrioc->init_cmds.mutex);
2641
2642out:
2643 return retval;
2644}
2645
2646/**
2647 * mpi3mr_print_pkg_ver - display controller fw package version
2648 * @mrioc: Adapter reference
2649 *
2650 * Retrieve firmware package version from the component image
2651 * header of the controller flash and display it.
2652 *
2653 * Return: 0 on success and non-zero on failure.
2654 */
2655static int mpi3mr_print_pkg_ver(struct mpi3mr_ioc *mrioc)
2656{
2657 struct mpi3_ci_upload_request ci_upload;
2658 int retval = -1;
2659 void *data = NULL;
2660 dma_addr_t data_dma;
2661 struct mpi3_ci_manifest_mpi *manifest;
2662 u32 data_len = sizeof(struct mpi3_ci_manifest_mpi);
2663 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
2664
2665 data = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma,
2666 GFP_KERNEL);
2667 if (!data)
2668 return -ENOMEM;
2669
2670 memset(&ci_upload, 0, sizeof(ci_upload));
2671 mutex_lock(&mrioc->init_cmds.mutex);
2672 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
2673 ioc_err(mrioc, "sending get package version failed due to command in use\n");
2674 mutex_unlock(&mrioc->init_cmds.mutex);
2675 goto out;
2676 }
2677 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
2678 mrioc->init_cmds.is_waiting = 1;
2679 mrioc->init_cmds.callback = NULL;
2680 ci_upload.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
2681 ci_upload.function = MPI3_FUNCTION_CI_UPLOAD;
2682 ci_upload.msg_flags = MPI3_CI_UPLOAD_MSGFLAGS_LOCATION_PRIMARY;
2683 ci_upload.signature1 = cpu_to_le32(MPI3_IMAGE_HEADER_SIGNATURE1_MANIFEST);
2684 ci_upload.image_offset = cpu_to_le32(MPI3_IMAGE_HEADER_SIZE);
2685 ci_upload.segment_size = cpu_to_le32(data_len);
2686
2687 mpi3mr_add_sg_single(&ci_upload.sgl, sgl_flags, data_len,
2688 data_dma);
2689 init_completion(&mrioc->init_cmds.done);
2690 retval = mpi3mr_admin_request_post(mrioc, &ci_upload,
2691 sizeof(ci_upload), 1);
2692 if (retval) {
2693 ioc_err(mrioc, "posting get package version failed\n");
2694 goto out_unlock;
2695 }
2696 wait_for_completion_timeout(&mrioc->init_cmds.done,
2697 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
2698 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
2699 ioc_err(mrioc, "get package version timed out\n");
2700 mpi3mr_check_rh_fault_ioc(mrioc,
2701 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT);
2702 retval = -1;
2703 goto out_unlock;
2704 }
2705 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
2706 == MPI3_IOCSTATUS_SUCCESS) {
2707 manifest = (struct mpi3_ci_manifest_mpi *) data;
2708 if (manifest->manifest_type == MPI3_CI_MANIFEST_TYPE_MPI) {
2709 ioc_info(mrioc,
2710 "firmware package version(%d.%d.%d.%d.%05d-%05d)\n",
2711 manifest->package_version.gen_major,
2712 manifest->package_version.gen_minor,
2713 manifest->package_version.phase_major,
2714 manifest->package_version.phase_minor,
2715 manifest->package_version.customer_id,
2716 manifest->package_version.build_num);
2717 }
2718 }
2719 retval = 0;
2720out_unlock:
2721 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
2722 mutex_unlock(&mrioc->init_cmds.mutex);
2723
2724out:
2725 if (data)
2726 dma_free_coherent(&mrioc->pdev->dev, data_len, data,
2727 data_dma);
2728 return retval;
2729}
2730
2731/**
2732 * mpi3mr_watchdog_work - watchdog thread to monitor faults
2733 * @work: work struct
2734 *
2735 * Watch dog work periodically executed (1 second interval) to
2736 * monitor firmware fault and to issue periodic timer sync to
2737 * the firmware.
2738 *
2739 * Return: Nothing.
2740 */
2741static void mpi3mr_watchdog_work(struct work_struct *work)
2742{
2743 struct mpi3mr_ioc *mrioc =
2744 container_of(work, struct mpi3mr_ioc, watchdog_work.work);
2745 unsigned long flags;
2746 enum mpi3mr_iocstate ioc_state;
2747 u32 host_diagnostic, ioc_status;
2748 union mpi3mr_trigger_data trigger_data;
2749 u16 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH;
2750
2751 if (mrioc->reset_in_progress || mrioc->pci_err_recovery)
2752 return;
2753
2754 if (!mrioc->unrecoverable && !pci_device_is_present(mrioc->pdev)) {
2755 ioc_err(mrioc, "watchdog could not detect the controller\n");
2756 mrioc->unrecoverable = 1;
2757 }
2758
2759 if (mrioc->unrecoverable) {
2760 ioc_err(mrioc,
2761 "flush pending commands for unrecoverable controller\n");
2762 mpi3mr_flush_cmds_for_unrecovered_controller(mrioc);
2763 return;
2764 }
2765
2766 if (atomic_read(&mrioc->admin_pend_isr)) {
2767 ioc_err(mrioc, "Unprocessed admin ISR instance found\n"
2768 "flush admin replies\n");
2769 mpi3mr_process_admin_reply_q(mrioc);
2770 }
2771
2772 if (!(mrioc->facts.ioc_capabilities &
2773 MPI3_IOCFACTS_CAPABILITY_NON_SUPERVISOR_IOC) &&
2774 (mrioc->ts_update_counter++ >= mrioc->ts_update_interval)) {
2775
2776 mrioc->ts_update_counter = 0;
2777 mpi3mr_sync_timestamp(mrioc);
2778 }
2779
2780 if ((mrioc->prepare_for_reset) &&
2781 ((mrioc->prepare_for_reset_timeout_counter++) >=
2782 MPI3MR_PREPARE_FOR_RESET_TIMEOUT)) {
2783 mpi3mr_soft_reset_handler(mrioc,
2784 MPI3MR_RESET_FROM_CIACTVRST_TIMER, 1);
2785 return;
2786 }
2787
2788 memset(&trigger_data, 0, sizeof(trigger_data));
2789 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
2790 if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) {
2791 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
2792 MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0);
2793 mpi3mr_soft_reset_handler(mrioc, MPI3MR_RESET_FROM_FIRMWARE, 0);
2794 return;
2795 }
2796
2797 /*Check for fault state every one second and issue Soft reset*/
2798 ioc_state = mpi3mr_get_iocstate(mrioc);
2799 if (ioc_state != MRIOC_STATE_FAULT)
2800 goto schedule_work;
2801
2802 trigger_data.fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK;
2803 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
2804 MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0);
2805 host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
2806 if (host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS) {
2807 if (!mrioc->diagsave_timeout) {
2808 mpi3mr_print_fault_info(mrioc);
2809 ioc_warn(mrioc, "diag save in progress\n");
2810 }
2811 if ((mrioc->diagsave_timeout++) <= MPI3_SYSIF_DIAG_SAVE_TIMEOUT)
2812 goto schedule_work;
2813 }
2814
2815 mpi3mr_print_fault_info(mrioc);
2816 mrioc->diagsave_timeout = 0;
2817
2818 if (!mpi3mr_is_fault_recoverable(mrioc)) {
2819 mrioc->unrecoverable = 1;
2820 goto schedule_work;
2821 }
2822
2823 switch (trigger_data.fault) {
2824 case MPI3_SYSIF_FAULT_CODE_COMPLETE_RESET_NEEDED:
2825 case MPI3_SYSIF_FAULT_CODE_POWER_CYCLE_REQUIRED:
2826 ioc_warn(mrioc,
2827 "controller requires system power cycle, marking controller as unrecoverable\n");
2828 mrioc->unrecoverable = 1;
2829 goto schedule_work;
2830 case MPI3_SYSIF_FAULT_CODE_SOFT_RESET_IN_PROGRESS:
2831 goto schedule_work;
2832 case MPI3_SYSIF_FAULT_CODE_CI_ACTIVATION_RESET:
2833 reset_reason = MPI3MR_RESET_FROM_CIACTIV_FAULT;
2834 break;
2835 default:
2836 break;
2837 }
2838 mpi3mr_soft_reset_handler(mrioc, reset_reason, 0);
2839 return;
2840
2841schedule_work:
2842 spin_lock_irqsave(&mrioc->watchdog_lock, flags);
2843 if (mrioc->watchdog_work_q)
2844 queue_delayed_work(mrioc->watchdog_work_q,
2845 &mrioc->watchdog_work,
2846 msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
2847 spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
2848 return;
2849}
2850
2851/**
2852 * mpi3mr_start_watchdog - Start watchdog
2853 * @mrioc: Adapter instance reference
2854 *
2855 * Create and start the watchdog thread to monitor controller
2856 * faults.
2857 *
2858 * Return: Nothing.
2859 */
2860void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc)
2861{
2862 if (mrioc->watchdog_work_q)
2863 return;
2864
2865 INIT_DELAYED_WORK(&mrioc->watchdog_work, mpi3mr_watchdog_work);
2866 snprintf(mrioc->watchdog_work_q_name,
2867 sizeof(mrioc->watchdog_work_q_name), "watchdog_%s%d", mrioc->name,
2868 mrioc->id);
2869 mrioc->watchdog_work_q = alloc_ordered_workqueue(
2870 "%s", WQ_MEM_RECLAIM, mrioc->watchdog_work_q_name);
2871 if (!mrioc->watchdog_work_q) {
2872 ioc_err(mrioc, "%s: failed (line=%d)\n", __func__, __LINE__);
2873 return;
2874 }
2875
2876 if (mrioc->watchdog_work_q)
2877 queue_delayed_work(mrioc->watchdog_work_q,
2878 &mrioc->watchdog_work,
2879 msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
2880}
2881
2882/**
2883 * mpi3mr_stop_watchdog - Stop watchdog
2884 * @mrioc: Adapter instance reference
2885 *
2886 * Stop the watchdog thread created to monitor controller
2887 * faults.
2888 *
2889 * Return: Nothing.
2890 */
2891void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc)
2892{
2893 unsigned long flags;
2894 struct workqueue_struct *wq;
2895
2896 spin_lock_irqsave(&mrioc->watchdog_lock, flags);
2897 wq = mrioc->watchdog_work_q;
2898 mrioc->watchdog_work_q = NULL;
2899 spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
2900 if (wq) {
2901 if (!cancel_delayed_work_sync(&mrioc->watchdog_work))
2902 flush_workqueue(wq);
2903 destroy_workqueue(wq);
2904 }
2905}
2906
2907/**
2908 * mpi3mr_setup_admin_qpair - Setup admin queue pair
2909 * @mrioc: Adapter instance reference
2910 *
2911 * Allocate memory for admin queue pair if required and register
2912 * the admin queue with the controller.
2913 *
2914 * Return: 0 on success, non-zero on failures.
2915 */
2916static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc)
2917{
2918 int retval = 0;
2919 u32 num_admin_entries = 0;
2920
2921 mrioc->admin_req_q_sz = MPI3MR_ADMIN_REQ_Q_SIZE;
2922 mrioc->num_admin_req = mrioc->admin_req_q_sz /
2923 MPI3MR_ADMIN_REQ_FRAME_SZ;
2924 mrioc->admin_req_ci = mrioc->admin_req_pi = 0;
2925
2926 mrioc->admin_reply_q_sz = MPI3MR_ADMIN_REPLY_Q_SIZE;
2927 mrioc->num_admin_replies = mrioc->admin_reply_q_sz /
2928 MPI3MR_ADMIN_REPLY_FRAME_SZ;
2929 mrioc->admin_reply_ci = 0;
2930 mrioc->admin_reply_ephase = 1;
2931 atomic_set(&mrioc->admin_reply_q_in_use, 0);
2932 atomic_set(&mrioc->admin_pend_isr, 0);
2933
2934 if (!mrioc->admin_req_base) {
2935 mrioc->admin_req_base = dma_alloc_coherent(&mrioc->pdev->dev,
2936 mrioc->admin_req_q_sz, &mrioc->admin_req_dma, GFP_KERNEL);
2937
2938 if (!mrioc->admin_req_base) {
2939 retval = -1;
2940 goto out_failed;
2941 }
2942
2943 mrioc->admin_reply_base = dma_alloc_coherent(&mrioc->pdev->dev,
2944 mrioc->admin_reply_q_sz, &mrioc->admin_reply_dma,
2945 GFP_KERNEL);
2946
2947 if (!mrioc->admin_reply_base) {
2948 retval = -1;
2949 goto out_failed;
2950 }
2951 }
2952
2953 num_admin_entries = (mrioc->num_admin_replies << 16) |
2954 (mrioc->num_admin_req);
2955 writel(num_admin_entries, &mrioc->sysif_regs->admin_queue_num_entries);
2956 mpi3mr_writeq(mrioc->admin_req_dma,
2957 &mrioc->sysif_regs->admin_request_queue_address);
2958 mpi3mr_writeq(mrioc->admin_reply_dma,
2959 &mrioc->sysif_regs->admin_reply_queue_address);
2960 writel(mrioc->admin_req_pi, &mrioc->sysif_regs->admin_request_queue_pi);
2961 writel(mrioc->admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci);
2962 return retval;
2963
2964out_failed:
2965
2966 if (mrioc->admin_reply_base) {
2967 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_reply_q_sz,
2968 mrioc->admin_reply_base, mrioc->admin_reply_dma);
2969 mrioc->admin_reply_base = NULL;
2970 }
2971 if (mrioc->admin_req_base) {
2972 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_req_q_sz,
2973 mrioc->admin_req_base, mrioc->admin_req_dma);
2974 mrioc->admin_req_base = NULL;
2975 }
2976 return retval;
2977}
2978
2979/**
2980 * mpi3mr_issue_iocfacts - Send IOC Facts
2981 * @mrioc: Adapter instance reference
2982 * @facts_data: Cached IOC facts data
2983 *
2984 * Issue IOC Facts MPI request through admin queue and wait for
2985 * the completion of it or time out.
2986 *
2987 * Return: 0 on success, non-zero on failures.
2988 */
2989static int mpi3mr_issue_iocfacts(struct mpi3mr_ioc *mrioc,
2990 struct mpi3_ioc_facts_data *facts_data)
2991{
2992 struct mpi3_ioc_facts_request iocfacts_req;
2993 void *data = NULL;
2994 dma_addr_t data_dma;
2995 u32 data_len = sizeof(*facts_data);
2996 int retval = 0;
2997 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
2998
2999 data = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma,
3000 GFP_KERNEL);
3001
3002 if (!data) {
3003 retval = -1;
3004 goto out;
3005 }
3006
3007 memset(&iocfacts_req, 0, sizeof(iocfacts_req));
3008 mutex_lock(&mrioc->init_cmds.mutex);
3009 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
3010 retval = -1;
3011 ioc_err(mrioc, "Issue IOCFacts: Init command is in use\n");
3012 mutex_unlock(&mrioc->init_cmds.mutex);
3013 goto out;
3014 }
3015 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
3016 mrioc->init_cmds.is_waiting = 1;
3017 mrioc->init_cmds.callback = NULL;
3018 iocfacts_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
3019 iocfacts_req.function = MPI3_FUNCTION_IOC_FACTS;
3020
3021 mpi3mr_add_sg_single(&iocfacts_req.sgl, sgl_flags, data_len,
3022 data_dma);
3023
3024 init_completion(&mrioc->init_cmds.done);
3025 retval = mpi3mr_admin_request_post(mrioc, &iocfacts_req,
3026 sizeof(iocfacts_req), 1);
3027 if (retval) {
3028 ioc_err(mrioc, "Issue IOCFacts: Admin Post failed\n");
3029 goto out_unlock;
3030 }
3031 wait_for_completion_timeout(&mrioc->init_cmds.done,
3032 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
3033 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
3034 ioc_err(mrioc, "ioc_facts timed out\n");
3035 mpi3mr_check_rh_fault_ioc(mrioc,
3036 MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT);
3037 retval = -1;
3038 goto out_unlock;
3039 }
3040 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
3041 != MPI3_IOCSTATUS_SUCCESS) {
3042 ioc_err(mrioc,
3043 "Issue IOCFacts: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
3044 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
3045 mrioc->init_cmds.ioc_loginfo);
3046 retval = -1;
3047 goto out_unlock;
3048 }
3049 memcpy(facts_data, (u8 *)data, data_len);
3050 mpi3mr_process_factsdata(mrioc, facts_data);
3051out_unlock:
3052 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
3053 mutex_unlock(&mrioc->init_cmds.mutex);
3054
3055out:
3056 if (data)
3057 dma_free_coherent(&mrioc->pdev->dev, data_len, data, data_dma);
3058
3059 return retval;
3060}
3061
3062/**
3063 * mpi3mr_check_reset_dma_mask - Process IOC facts data
3064 * @mrioc: Adapter instance reference
3065 *
3066 * Check whether the new DMA mask requested through IOCFacts by
3067 * firmware needs to be set, if so set it .
3068 *
3069 * Return: 0 on success, non-zero on failure.
3070 */
3071static inline int mpi3mr_check_reset_dma_mask(struct mpi3mr_ioc *mrioc)
3072{
3073 struct pci_dev *pdev = mrioc->pdev;
3074 int r;
3075 u64 facts_dma_mask = DMA_BIT_MASK(mrioc->facts.dma_mask);
3076
3077 if (!mrioc->facts.dma_mask || (mrioc->dma_mask <= facts_dma_mask))
3078 return 0;
3079
3080 ioc_info(mrioc, "Changing DMA mask from 0x%016llx to 0x%016llx\n",
3081 mrioc->dma_mask, facts_dma_mask);
3082
3083 r = dma_set_mask_and_coherent(&pdev->dev, facts_dma_mask);
3084 if (r) {
3085 ioc_err(mrioc, "Setting DMA mask to 0x%016llx failed: %d\n",
3086 facts_dma_mask, r);
3087 return r;
3088 }
3089 mrioc->dma_mask = facts_dma_mask;
3090 return r;
3091}
3092
3093/**
3094 * mpi3mr_process_factsdata - Process IOC facts data
3095 * @mrioc: Adapter instance reference
3096 * @facts_data: Cached IOC facts data
3097 *
3098 * Convert IOC facts data into cpu endianness and cache it in
3099 * the driver .
3100 *
3101 * Return: Nothing.
3102 */
3103static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
3104 struct mpi3_ioc_facts_data *facts_data)
3105{
3106 u32 ioc_config, req_sz, facts_flags;
3107
3108 if ((le16_to_cpu(facts_data->ioc_facts_data_length)) !=
3109 (sizeof(*facts_data) / 4)) {
3110 ioc_warn(mrioc,
3111 "IOCFactsdata length mismatch driver_sz(%zu) firmware_sz(%d)\n",
3112 sizeof(*facts_data),
3113 le16_to_cpu(facts_data->ioc_facts_data_length) * 4);
3114 }
3115
3116 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
3117 req_sz = 1 << ((ioc_config & MPI3_SYSIF_IOC_CONFIG_OPER_REQ_ENT_SZ) >>
3118 MPI3_SYSIF_IOC_CONFIG_OPER_REQ_ENT_SZ_SHIFT);
3119 if (le16_to_cpu(facts_data->ioc_request_frame_size) != (req_sz / 4)) {
3120 ioc_err(mrioc,
3121 "IOCFacts data reqFrameSize mismatch hw_size(%d) firmware_sz(%d)\n",
3122 req_sz / 4, le16_to_cpu(facts_data->ioc_request_frame_size));
3123 }
3124
3125 memset(&mrioc->facts, 0, sizeof(mrioc->facts));
3126
3127 facts_flags = le32_to_cpu(facts_data->flags);
3128 mrioc->facts.op_req_sz = req_sz;
3129 mrioc->op_reply_desc_sz = 1 << ((ioc_config &
3130 MPI3_SYSIF_IOC_CONFIG_OPER_RPY_ENT_SZ) >>
3131 MPI3_SYSIF_IOC_CONFIG_OPER_RPY_ENT_SZ_SHIFT);
3132
3133 mrioc->facts.ioc_num = facts_data->ioc_number;
3134 mrioc->facts.who_init = facts_data->who_init;
3135 mrioc->facts.max_msix_vectors = le16_to_cpu(facts_data->max_msix_vectors);
3136 mrioc->facts.personality = (facts_flags &
3137 MPI3_IOCFACTS_FLAGS_PERSONALITY_MASK);
3138 mrioc->facts.dma_mask = (facts_flags &
3139 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK) >>
3140 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT;
3141 mrioc->facts.dma_mask = (facts_flags &
3142 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK) >>
3143 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT;
3144 mrioc->facts.protocol_flags = facts_data->protocol_flags;
3145 mrioc->facts.mpi_version = le32_to_cpu(facts_data->mpi_version.word);
3146 mrioc->facts.max_reqs = le16_to_cpu(facts_data->max_outstanding_requests);
3147 mrioc->facts.product_id = le16_to_cpu(facts_data->product_id);
3148 mrioc->facts.reply_sz = le16_to_cpu(facts_data->reply_frame_size) * 4;
3149 mrioc->facts.exceptions = le16_to_cpu(facts_data->ioc_exceptions);
3150 mrioc->facts.max_perids = le16_to_cpu(facts_data->max_persistent_id);
3151 mrioc->facts.max_vds = le16_to_cpu(facts_data->max_vds);
3152 mrioc->facts.max_hpds = le16_to_cpu(facts_data->max_host_pds);
3153 mrioc->facts.max_advhpds = le16_to_cpu(facts_data->max_adv_host_pds);
3154 mrioc->facts.max_raid_pds = le16_to_cpu(facts_data->max_raid_pds);
3155 mrioc->facts.max_nvme = le16_to_cpu(facts_data->max_nvme);
3156 mrioc->facts.max_pcie_switches =
3157 le16_to_cpu(facts_data->max_pcie_switches);
3158 mrioc->facts.max_sasexpanders =
3159 le16_to_cpu(facts_data->max_sas_expanders);
3160 mrioc->facts.max_data_length = le16_to_cpu(facts_data->max_data_length);
3161 mrioc->facts.max_sasinitiators =
3162 le16_to_cpu(facts_data->max_sas_initiators);
3163 mrioc->facts.max_enclosures = le16_to_cpu(facts_data->max_enclosures);
3164 mrioc->facts.min_devhandle = le16_to_cpu(facts_data->min_dev_handle);
3165 mrioc->facts.max_devhandle = le16_to_cpu(facts_data->max_dev_handle);
3166 mrioc->facts.max_op_req_q =
3167 le16_to_cpu(facts_data->max_operational_request_queues);
3168 mrioc->facts.max_op_reply_q =
3169 le16_to_cpu(facts_data->max_operational_reply_queues);
3170 mrioc->facts.ioc_capabilities =
3171 le32_to_cpu(facts_data->ioc_capabilities);
3172 mrioc->facts.fw_ver.build_num =
3173 le16_to_cpu(facts_data->fw_version.build_num);
3174 mrioc->facts.fw_ver.cust_id =
3175 le16_to_cpu(facts_data->fw_version.customer_id);
3176 mrioc->facts.fw_ver.ph_minor = facts_data->fw_version.phase_minor;
3177 mrioc->facts.fw_ver.ph_major = facts_data->fw_version.phase_major;
3178 mrioc->facts.fw_ver.gen_minor = facts_data->fw_version.gen_minor;
3179 mrioc->facts.fw_ver.gen_major = facts_data->fw_version.gen_major;
3180 mrioc->msix_count = min_t(int, mrioc->msix_count,
3181 mrioc->facts.max_msix_vectors);
3182 mrioc->facts.sge_mod_mask = facts_data->sge_modifier_mask;
3183 mrioc->facts.sge_mod_value = facts_data->sge_modifier_value;
3184 mrioc->facts.sge_mod_shift = facts_data->sge_modifier_shift;
3185 mrioc->facts.shutdown_timeout =
3186 le16_to_cpu(facts_data->shutdown_timeout);
3187 mrioc->facts.diag_trace_sz =
3188 le32_to_cpu(facts_data->diag_trace_size);
3189 mrioc->facts.diag_fw_sz =
3190 le32_to_cpu(facts_data->diag_fw_size);
3191 mrioc->facts.diag_drvr_sz = le32_to_cpu(facts_data->diag_driver_size);
3192 mrioc->facts.max_dev_per_tg =
3193 facts_data->max_devices_per_throttle_group;
3194 mrioc->facts.io_throttle_data_length =
3195 le16_to_cpu(facts_data->io_throttle_data_length);
3196 mrioc->facts.max_io_throttle_group =
3197 le16_to_cpu(facts_data->max_io_throttle_group);
3198 mrioc->facts.io_throttle_low = le16_to_cpu(facts_data->io_throttle_low);
3199 mrioc->facts.io_throttle_high =
3200 le16_to_cpu(facts_data->io_throttle_high);
3201
3202 if (mrioc->facts.max_data_length ==
3203 MPI3_IOCFACTS_MAX_DATA_LENGTH_NOT_REPORTED)
3204 mrioc->facts.max_data_length = MPI3MR_DEFAULT_MAX_IO_SIZE;
3205 else
3206 mrioc->facts.max_data_length *= MPI3MR_PAGE_SIZE_4K;
3207 /* Store in 512b block count */
3208 if (mrioc->facts.io_throttle_data_length)
3209 mrioc->io_throttle_data_length =
3210 (mrioc->facts.io_throttle_data_length * 2 * 4);
3211 else
3212 /* set the length to 1MB + 1K to disable throttle */
3213 mrioc->io_throttle_data_length = (mrioc->facts.max_data_length / 512) + 2;
3214
3215 mrioc->io_throttle_high = (mrioc->facts.io_throttle_high * 2 * 1024);
3216 mrioc->io_throttle_low = (mrioc->facts.io_throttle_low * 2 * 1024);
3217
3218 ioc_info(mrioc, "ioc_num(%d), maxopQ(%d), maxopRepQ(%d), maxdh(%d),",
3219 mrioc->facts.ioc_num, mrioc->facts.max_op_req_q,
3220 mrioc->facts.max_op_reply_q, mrioc->facts.max_devhandle);
3221 ioc_info(mrioc,
3222 "maxreqs(%d), mindh(%d) maxvectors(%d) maxperids(%d)\n",
3223 mrioc->facts.max_reqs, mrioc->facts.min_devhandle,
3224 mrioc->facts.max_msix_vectors, mrioc->facts.max_perids);
3225 ioc_info(mrioc, "SGEModMask 0x%x SGEModVal 0x%x SGEModShift 0x%x ",
3226 mrioc->facts.sge_mod_mask, mrioc->facts.sge_mod_value,
3227 mrioc->facts.sge_mod_shift);
3228 ioc_info(mrioc, "DMA mask %d InitialPE status 0x%x max_data_len (%d)\n",
3229 mrioc->facts.dma_mask, (facts_flags &
3230 MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_MASK), mrioc->facts.max_data_length);
3231 ioc_info(mrioc,
3232 "max_dev_per_throttle_group(%d), max_throttle_groups(%d)\n",
3233 mrioc->facts.max_dev_per_tg, mrioc->facts.max_io_throttle_group);
3234 ioc_info(mrioc,
3235 "io_throttle_data_len(%dKiB), io_throttle_high(%dMiB), io_throttle_low(%dMiB)\n",
3236 mrioc->facts.io_throttle_data_length * 4,
3237 mrioc->facts.io_throttle_high, mrioc->facts.io_throttle_low);
3238}
3239
3240/**
3241 * mpi3mr_alloc_reply_sense_bufs - Send IOC Init
3242 * @mrioc: Adapter instance reference
3243 *
3244 * Allocate and initialize the reply free buffers, sense
3245 * buffers, reply free queue and sense buffer queue.
3246 *
3247 * Return: 0 on success, non-zero on failures.
3248 */
3249static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc)
3250{
3251 int retval = 0;
3252 u32 sz, i;
3253
3254 if (mrioc->init_cmds.reply)
3255 return retval;
3256
3257 mrioc->init_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
3258 if (!mrioc->init_cmds.reply)
3259 goto out_failed;
3260
3261 mrioc->bsg_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
3262 if (!mrioc->bsg_cmds.reply)
3263 goto out_failed;
3264
3265 mrioc->transport_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
3266 if (!mrioc->transport_cmds.reply)
3267 goto out_failed;
3268
3269 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
3270 mrioc->dev_rmhs_cmds[i].reply = kzalloc(mrioc->reply_sz,
3271 GFP_KERNEL);
3272 if (!mrioc->dev_rmhs_cmds[i].reply)
3273 goto out_failed;
3274 }
3275
3276 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) {
3277 mrioc->evtack_cmds[i].reply = kzalloc(mrioc->reply_sz,
3278 GFP_KERNEL);
3279 if (!mrioc->evtack_cmds[i].reply)
3280 goto out_failed;
3281 }
3282
3283 mrioc->host_tm_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
3284 if (!mrioc->host_tm_cmds.reply)
3285 goto out_failed;
3286
3287 mrioc->pel_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
3288 if (!mrioc->pel_cmds.reply)
3289 goto out_failed;
3290
3291 mrioc->pel_abort_cmd.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
3292 if (!mrioc->pel_abort_cmd.reply)
3293 goto out_failed;
3294
3295 mrioc->dev_handle_bitmap_bits = mrioc->facts.max_devhandle;
3296 mrioc->removepend_bitmap = bitmap_zalloc(mrioc->dev_handle_bitmap_bits,
3297 GFP_KERNEL);
3298 if (!mrioc->removepend_bitmap)
3299 goto out_failed;
3300
3301 mrioc->devrem_bitmap = bitmap_zalloc(MPI3MR_NUM_DEVRMCMD, GFP_KERNEL);
3302 if (!mrioc->devrem_bitmap)
3303 goto out_failed;
3304
3305 mrioc->evtack_cmds_bitmap = bitmap_zalloc(MPI3MR_NUM_EVTACKCMD,
3306 GFP_KERNEL);
3307 if (!mrioc->evtack_cmds_bitmap)
3308 goto out_failed;
3309
3310 mrioc->num_reply_bufs = mrioc->facts.max_reqs + MPI3MR_NUM_EVT_REPLIES;
3311 mrioc->reply_free_qsz = mrioc->num_reply_bufs + 1;
3312 mrioc->num_sense_bufs = mrioc->facts.max_reqs / MPI3MR_SENSEBUF_FACTOR;
3313 mrioc->sense_buf_q_sz = mrioc->num_sense_bufs + 1;
3314
3315 /* reply buffer pool, 16 byte align */
3316 sz = mrioc->num_reply_bufs * mrioc->reply_sz;
3317 mrioc->reply_buf_pool = dma_pool_create("reply_buf pool",
3318 &mrioc->pdev->dev, sz, 16, 0);
3319 if (!mrioc->reply_buf_pool) {
3320 ioc_err(mrioc, "reply buf pool: dma_pool_create failed\n");
3321 goto out_failed;
3322 }
3323
3324 mrioc->reply_buf = dma_pool_zalloc(mrioc->reply_buf_pool, GFP_KERNEL,
3325 &mrioc->reply_buf_dma);
3326 if (!mrioc->reply_buf)
3327 goto out_failed;
3328
3329 mrioc->reply_buf_dma_max_address = mrioc->reply_buf_dma + sz;
3330
3331 /* reply free queue, 8 byte align */
3332 sz = mrioc->reply_free_qsz * 8;
3333 mrioc->reply_free_q_pool = dma_pool_create("reply_free_q pool",
3334 &mrioc->pdev->dev, sz, 8, 0);
3335 if (!mrioc->reply_free_q_pool) {
3336 ioc_err(mrioc, "reply_free_q pool: dma_pool_create failed\n");
3337 goto out_failed;
3338 }
3339 mrioc->reply_free_q = dma_pool_zalloc(mrioc->reply_free_q_pool,
3340 GFP_KERNEL, &mrioc->reply_free_q_dma);
3341 if (!mrioc->reply_free_q)
3342 goto out_failed;
3343
3344 /* sense buffer pool, 4 byte align */
3345 sz = mrioc->num_sense_bufs * MPI3MR_SENSE_BUF_SZ;
3346 mrioc->sense_buf_pool = dma_pool_create("sense_buf pool",
3347 &mrioc->pdev->dev, sz, 4, 0);
3348 if (!mrioc->sense_buf_pool) {
3349 ioc_err(mrioc, "sense_buf pool: dma_pool_create failed\n");
3350 goto out_failed;
3351 }
3352 mrioc->sense_buf = dma_pool_zalloc(mrioc->sense_buf_pool, GFP_KERNEL,
3353 &mrioc->sense_buf_dma);
3354 if (!mrioc->sense_buf)
3355 goto out_failed;
3356
3357 /* sense buffer queue, 8 byte align */
3358 sz = mrioc->sense_buf_q_sz * 8;
3359 mrioc->sense_buf_q_pool = dma_pool_create("sense_buf_q pool",
3360 &mrioc->pdev->dev, sz, 8, 0);
3361 if (!mrioc->sense_buf_q_pool) {
3362 ioc_err(mrioc, "sense_buf_q pool: dma_pool_create failed\n");
3363 goto out_failed;
3364 }
3365 mrioc->sense_buf_q = dma_pool_zalloc(mrioc->sense_buf_q_pool,
3366 GFP_KERNEL, &mrioc->sense_buf_q_dma);
3367 if (!mrioc->sense_buf_q)
3368 goto out_failed;
3369
3370 return retval;
3371
3372out_failed:
3373 retval = -1;
3374 return retval;
3375}
3376
3377/**
3378 * mpimr_initialize_reply_sbuf_queues - initialize reply sense
3379 * buffers
3380 * @mrioc: Adapter instance reference
3381 *
3382 * Helper function to initialize reply and sense buffers along
3383 * with some debug prints.
3384 *
3385 * Return: None.
3386 */
3387static void mpimr_initialize_reply_sbuf_queues(struct mpi3mr_ioc *mrioc)
3388{
3389 u32 sz, i;
3390 dma_addr_t phy_addr;
3391
3392 sz = mrioc->num_reply_bufs * mrioc->reply_sz;
3393 ioc_info(mrioc,
3394 "reply buf pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), reply_dma(0x%llx)\n",
3395 mrioc->reply_buf, mrioc->num_reply_bufs, mrioc->reply_sz,
3396 (sz / 1024), (unsigned long long)mrioc->reply_buf_dma);
3397 sz = mrioc->reply_free_qsz * 8;
3398 ioc_info(mrioc,
3399 "reply_free_q pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), reply_dma(0x%llx)\n",
3400 mrioc->reply_free_q, mrioc->reply_free_qsz, 8, (sz / 1024),
3401 (unsigned long long)mrioc->reply_free_q_dma);
3402 sz = mrioc->num_sense_bufs * MPI3MR_SENSE_BUF_SZ;
3403 ioc_info(mrioc,
3404 "sense_buf pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), sense_dma(0x%llx)\n",
3405 mrioc->sense_buf, mrioc->num_sense_bufs, MPI3MR_SENSE_BUF_SZ,
3406 (sz / 1024), (unsigned long long)mrioc->sense_buf_dma);
3407 sz = mrioc->sense_buf_q_sz * 8;
3408 ioc_info(mrioc,
3409 "sense_buf_q pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), sense_dma(0x%llx)\n",
3410 mrioc->sense_buf_q, mrioc->sense_buf_q_sz, 8, (sz / 1024),
3411 (unsigned long long)mrioc->sense_buf_q_dma);
3412
3413 /* initialize Reply buffer Queue */
3414 for (i = 0, phy_addr = mrioc->reply_buf_dma;
3415 i < mrioc->num_reply_bufs; i++, phy_addr += mrioc->reply_sz)
3416 mrioc->reply_free_q[i] = cpu_to_le64(phy_addr);
3417 mrioc->reply_free_q[i] = cpu_to_le64(0);
3418
3419 /* initialize Sense Buffer Queue */
3420 for (i = 0, phy_addr = mrioc->sense_buf_dma;
3421 i < mrioc->num_sense_bufs; i++, phy_addr += MPI3MR_SENSE_BUF_SZ)
3422 mrioc->sense_buf_q[i] = cpu_to_le64(phy_addr);
3423 mrioc->sense_buf_q[i] = cpu_to_le64(0);
3424}
3425
3426/**
3427 * mpi3mr_issue_iocinit - Send IOC Init
3428 * @mrioc: Adapter instance reference
3429 *
3430 * Issue IOC Init MPI request through admin queue and wait for
3431 * the completion of it or time out.
3432 *
3433 * Return: 0 on success, non-zero on failures.
3434 */
3435static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
3436{
3437 struct mpi3_ioc_init_request iocinit_req;
3438 struct mpi3_driver_info_layout *drv_info;
3439 dma_addr_t data_dma;
3440 u32 data_len = sizeof(*drv_info);
3441 int retval = 0;
3442 ktime_t current_time;
3443
3444 drv_info = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma,
3445 GFP_KERNEL);
3446 if (!drv_info) {
3447 retval = -1;
3448 goto out;
3449 }
3450 mpimr_initialize_reply_sbuf_queues(mrioc);
3451
3452 drv_info->information_length = cpu_to_le32(data_len);
3453 strscpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
3454 strscpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
3455 strscpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
3456 strscpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
3457 strscpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
3458 strscpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE,
3459 sizeof(drv_info->driver_release_date));
3460 drv_info->driver_capabilities = 0;
3461 memcpy((u8 *)&mrioc->driver_info, (u8 *)drv_info,
3462 sizeof(mrioc->driver_info));
3463
3464 memset(&iocinit_req, 0, sizeof(iocinit_req));
3465 mutex_lock(&mrioc->init_cmds.mutex);
3466 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
3467 retval = -1;
3468 ioc_err(mrioc, "Issue IOCInit: Init command is in use\n");
3469 mutex_unlock(&mrioc->init_cmds.mutex);
3470 goto out;
3471 }
3472 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
3473 mrioc->init_cmds.is_waiting = 1;
3474 mrioc->init_cmds.callback = NULL;
3475 iocinit_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
3476 iocinit_req.function = MPI3_FUNCTION_IOC_INIT;
3477 iocinit_req.mpi_version.mpi3_version.dev = MPI3_VERSION_DEV;
3478 iocinit_req.mpi_version.mpi3_version.unit = MPI3_VERSION_UNIT;
3479 iocinit_req.mpi_version.mpi3_version.major = MPI3_VERSION_MAJOR;
3480 iocinit_req.mpi_version.mpi3_version.minor = MPI3_VERSION_MINOR;
3481 iocinit_req.who_init = MPI3_WHOINIT_HOST_DRIVER;
3482 iocinit_req.reply_free_queue_depth = cpu_to_le16(mrioc->reply_free_qsz);
3483 iocinit_req.reply_free_queue_address =
3484 cpu_to_le64(mrioc->reply_free_q_dma);
3485 iocinit_req.sense_buffer_length = cpu_to_le16(MPI3MR_SENSE_BUF_SZ);
3486 iocinit_req.sense_buffer_free_queue_depth =
3487 cpu_to_le16(mrioc->sense_buf_q_sz);
3488 iocinit_req.sense_buffer_free_queue_address =
3489 cpu_to_le64(mrioc->sense_buf_q_dma);
3490 iocinit_req.driver_information_address = cpu_to_le64(data_dma);
3491
3492 current_time = ktime_get_real();
3493 iocinit_req.time_stamp = cpu_to_le64(ktime_to_ms(current_time));
3494
3495 iocinit_req.msg_flags |=
3496 MPI3_IOCINIT_MSGFLAGS_SCSIIOSTATUSREPLY_SUPPORTED;
3497 iocinit_req.msg_flags |=
3498 MPI3_IOCINIT_MSGFLAGS_WRITESAMEDIVERT_SUPPORTED;
3499
3500 init_completion(&mrioc->init_cmds.done);
3501 retval = mpi3mr_admin_request_post(mrioc, &iocinit_req,
3502 sizeof(iocinit_req), 1);
3503 if (retval) {
3504 ioc_err(mrioc, "Issue IOCInit: Admin Post failed\n");
3505 goto out_unlock;
3506 }
3507 wait_for_completion_timeout(&mrioc->init_cmds.done,
3508 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
3509 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
3510 mpi3mr_check_rh_fault_ioc(mrioc,
3511 MPI3MR_RESET_FROM_IOCINIT_TIMEOUT);
3512 ioc_err(mrioc, "ioc_init timed out\n");
3513 retval = -1;
3514 goto out_unlock;
3515 }
3516 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
3517 != MPI3_IOCSTATUS_SUCCESS) {
3518 ioc_err(mrioc,
3519 "Issue IOCInit: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
3520 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
3521 mrioc->init_cmds.ioc_loginfo);
3522 retval = -1;
3523 goto out_unlock;
3524 }
3525
3526 mrioc->reply_free_queue_host_index = mrioc->num_reply_bufs;
3527 writel(mrioc->reply_free_queue_host_index,
3528 &mrioc->sysif_regs->reply_free_host_index);
3529
3530 mrioc->sbq_host_index = mrioc->num_sense_bufs;
3531 writel(mrioc->sbq_host_index,
3532 &mrioc->sysif_regs->sense_buffer_free_host_index);
3533out_unlock:
3534 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
3535 mutex_unlock(&mrioc->init_cmds.mutex);
3536
3537out:
3538 if (drv_info)
3539 dma_free_coherent(&mrioc->pdev->dev, data_len, drv_info,
3540 data_dma);
3541
3542 return retval;
3543}
3544
3545/**
3546 * mpi3mr_unmask_events - Unmask events in event mask bitmap
3547 * @mrioc: Adapter instance reference
3548 * @event: MPI event ID
3549 *
3550 * Un mask the specific event by resetting the event_mask
3551 * bitmap.
3552 *
3553 * Return: 0 on success, non-zero on failures.
3554 */
3555static void mpi3mr_unmask_events(struct mpi3mr_ioc *mrioc, u16 event)
3556{
3557 u32 desired_event;
3558 u8 word;
3559
3560 if (event >= 128)
3561 return;
3562
3563 desired_event = (1 << (event % 32));
3564 word = event / 32;
3565
3566 mrioc->event_masks[word] &= ~desired_event;
3567}
3568
3569/**
3570 * mpi3mr_issue_event_notification - Send event notification
3571 * @mrioc: Adapter instance reference
3572 *
3573 * Issue event notification MPI request through admin queue and
3574 * wait for the completion of it or time out.
3575 *
3576 * Return: 0 on success, non-zero on failures.
3577 */
3578static int mpi3mr_issue_event_notification(struct mpi3mr_ioc *mrioc)
3579{
3580 struct mpi3_event_notification_request evtnotify_req;
3581 int retval = 0;
3582 u8 i;
3583
3584 memset(&evtnotify_req, 0, sizeof(evtnotify_req));
3585 mutex_lock(&mrioc->init_cmds.mutex);
3586 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
3587 retval = -1;
3588 ioc_err(mrioc, "Issue EvtNotify: Init command is in use\n");
3589 mutex_unlock(&mrioc->init_cmds.mutex);
3590 goto out;
3591 }
3592 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
3593 mrioc->init_cmds.is_waiting = 1;
3594 mrioc->init_cmds.callback = NULL;
3595 evtnotify_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
3596 evtnotify_req.function = MPI3_FUNCTION_EVENT_NOTIFICATION;
3597 for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
3598 evtnotify_req.event_masks[i] =
3599 cpu_to_le32(mrioc->event_masks[i]);
3600 init_completion(&mrioc->init_cmds.done);
3601 retval = mpi3mr_admin_request_post(mrioc, &evtnotify_req,
3602 sizeof(evtnotify_req), 1);
3603 if (retval) {
3604 ioc_err(mrioc, "Issue EvtNotify: Admin Post failed\n");
3605 goto out_unlock;
3606 }
3607 wait_for_completion_timeout(&mrioc->init_cmds.done,
3608 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
3609 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
3610 ioc_err(mrioc, "event notification timed out\n");
3611 mpi3mr_check_rh_fault_ioc(mrioc,
3612 MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT);
3613 retval = -1;
3614 goto out_unlock;
3615 }
3616 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
3617 != MPI3_IOCSTATUS_SUCCESS) {
3618 ioc_err(mrioc,
3619 "Issue EvtNotify: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
3620 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
3621 mrioc->init_cmds.ioc_loginfo);
3622 retval = -1;
3623 goto out_unlock;
3624 }
3625
3626out_unlock:
3627 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
3628 mutex_unlock(&mrioc->init_cmds.mutex);
3629out:
3630 return retval;
3631}
3632
3633/**
3634 * mpi3mr_process_event_ack - Process event acknowledgment
3635 * @mrioc: Adapter instance reference
3636 * @event: MPI3 event ID
3637 * @event_ctx: event context
3638 *
3639 * Send event acknowledgment through admin queue and wait for
3640 * it to complete.
3641 *
3642 * Return: 0 on success, non-zero on failures.
3643 */
3644int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
3645 u32 event_ctx)
3646{
3647 struct mpi3_event_ack_request evtack_req;
3648 int retval = 0;
3649
3650 memset(&evtack_req, 0, sizeof(evtack_req));
3651 mutex_lock(&mrioc->init_cmds.mutex);
3652 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
3653 retval = -1;
3654 ioc_err(mrioc, "Send EvtAck: Init command is in use\n");
3655 mutex_unlock(&mrioc->init_cmds.mutex);
3656 goto out;
3657 }
3658 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
3659 mrioc->init_cmds.is_waiting = 1;
3660 mrioc->init_cmds.callback = NULL;
3661 evtack_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
3662 evtack_req.function = MPI3_FUNCTION_EVENT_ACK;
3663 evtack_req.event = event;
3664 evtack_req.event_context = cpu_to_le32(event_ctx);
3665
3666 init_completion(&mrioc->init_cmds.done);
3667 retval = mpi3mr_admin_request_post(mrioc, &evtack_req,
3668 sizeof(evtack_req), 1);
3669 if (retval) {
3670 ioc_err(mrioc, "Send EvtAck: Admin Post failed\n");
3671 goto out_unlock;
3672 }
3673 wait_for_completion_timeout(&mrioc->init_cmds.done,
3674 (MPI3MR_INTADMCMD_TIMEOUT * HZ));
3675 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
3676 ioc_err(mrioc, "Issue EvtNotify: command timed out\n");
3677 if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET))
3678 mpi3mr_check_rh_fault_ioc(mrioc,
3679 MPI3MR_RESET_FROM_EVTACK_TIMEOUT);
3680 retval = -1;
3681 goto out_unlock;
3682 }
3683 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
3684 != MPI3_IOCSTATUS_SUCCESS) {
3685 ioc_err(mrioc,
3686 "Send EvtAck: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
3687 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
3688 mrioc->init_cmds.ioc_loginfo);
3689 retval = -1;
3690 goto out_unlock;
3691 }
3692
3693out_unlock:
3694 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
3695 mutex_unlock(&mrioc->init_cmds.mutex);
3696out:
3697 return retval;
3698}
3699
3700/**
3701 * mpi3mr_alloc_chain_bufs - Allocate chain buffers
3702 * @mrioc: Adapter instance reference
3703 *
3704 * Allocate chain buffers and set a bitmap to indicate free
3705 * chain buffers. Chain buffers are used to pass the SGE
3706 * information along with MPI3 SCSI IO requests for host I/O.
3707 *
3708 * Return: 0 on success, non-zero on failure
3709 */
3710static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc)
3711{
3712 int retval = 0;
3713 u32 sz, i;
3714 u16 num_chains;
3715
3716 if (mrioc->chain_sgl_list)
3717 return retval;
3718
3719 num_chains = mrioc->max_host_ios / MPI3MR_CHAINBUF_FACTOR;
3720
3721 if (prot_mask & (SHOST_DIX_TYPE0_PROTECTION
3722 | SHOST_DIX_TYPE1_PROTECTION
3723 | SHOST_DIX_TYPE2_PROTECTION
3724 | SHOST_DIX_TYPE3_PROTECTION))
3725 num_chains += (num_chains / MPI3MR_CHAINBUFDIX_FACTOR);
3726
3727 mrioc->chain_buf_count = num_chains;
3728 sz = sizeof(struct chain_element) * num_chains;
3729 mrioc->chain_sgl_list = kzalloc(sz, GFP_KERNEL);
3730 if (!mrioc->chain_sgl_list)
3731 goto out_failed;
3732
3733 if (mrioc->max_sgl_entries > (mrioc->facts.max_data_length /
3734 MPI3MR_PAGE_SIZE_4K))
3735 mrioc->max_sgl_entries = mrioc->facts.max_data_length /
3736 MPI3MR_PAGE_SIZE_4K;
3737 sz = mrioc->max_sgl_entries * sizeof(struct mpi3_sge_common);
3738 ioc_info(mrioc, "number of sgl entries=%d chain buffer size=%dKB\n",
3739 mrioc->max_sgl_entries, sz/1024);
3740
3741 mrioc->chain_buf_pool = dma_pool_create("chain_buf pool",
3742 &mrioc->pdev->dev, sz, 16, 0);
3743 if (!mrioc->chain_buf_pool) {
3744 ioc_err(mrioc, "chain buf pool: dma_pool_create failed\n");
3745 goto out_failed;
3746 }
3747
3748 for (i = 0; i < num_chains; i++) {
3749 mrioc->chain_sgl_list[i].addr =
3750 dma_pool_zalloc(mrioc->chain_buf_pool, GFP_KERNEL,
3751 &mrioc->chain_sgl_list[i].dma_addr);
3752
3753 if (!mrioc->chain_sgl_list[i].addr)
3754 goto out_failed;
3755 }
3756 mrioc->chain_bitmap = bitmap_zalloc(num_chains, GFP_KERNEL);
3757 if (!mrioc->chain_bitmap)
3758 goto out_failed;
3759 return retval;
3760out_failed:
3761 retval = -1;
3762 return retval;
3763}
3764
3765/**
3766 * mpi3mr_port_enable_complete - Mark port enable complete
3767 * @mrioc: Adapter instance reference
3768 * @drv_cmd: Internal command tracker
3769 *
3770 * Call back for asynchronous port enable request sets the
3771 * driver command to indicate port enable request is complete.
3772 *
3773 * Return: Nothing
3774 */
3775static void mpi3mr_port_enable_complete(struct mpi3mr_ioc *mrioc,
3776 struct mpi3mr_drv_cmd *drv_cmd)
3777{
3778 drv_cmd->callback = NULL;
3779 mrioc->scan_started = 0;
3780 if (drv_cmd->state & MPI3MR_CMD_RESET)
3781 mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR;
3782 else
3783 mrioc->scan_failed = drv_cmd->ioc_status;
3784 drv_cmd->state = MPI3MR_CMD_NOTUSED;
3785}
3786
3787/**
3788 * mpi3mr_issue_port_enable - Issue Port Enable
3789 * @mrioc: Adapter instance reference
3790 * @async: Flag to wait for completion or not
3791 *
3792 * Issue Port Enable MPI request through admin queue and if the
3793 * async flag is not set wait for the completion of the port
3794 * enable or time out.
3795 *
3796 * Return: 0 on success, non-zero on failures.
3797 */
3798int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async)
3799{
3800 struct mpi3_port_enable_request pe_req;
3801 int retval = 0;
3802 u32 pe_timeout = MPI3MR_PORTENABLE_TIMEOUT;
3803
3804 memset(&pe_req, 0, sizeof(pe_req));
3805 mutex_lock(&mrioc->init_cmds.mutex);
3806 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
3807 retval = -1;
3808 ioc_err(mrioc, "Issue PortEnable: Init command is in use\n");
3809 mutex_unlock(&mrioc->init_cmds.mutex);
3810 goto out;
3811 }
3812 mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
3813 if (async) {
3814 mrioc->init_cmds.is_waiting = 0;
3815 mrioc->init_cmds.callback = mpi3mr_port_enable_complete;
3816 } else {
3817 mrioc->init_cmds.is_waiting = 1;
3818 mrioc->init_cmds.callback = NULL;
3819 init_completion(&mrioc->init_cmds.done);
3820 }
3821 pe_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
3822 pe_req.function = MPI3_FUNCTION_PORT_ENABLE;
3823
3824 retval = mpi3mr_admin_request_post(mrioc, &pe_req, sizeof(pe_req), 1);
3825 if (retval) {
3826 ioc_err(mrioc, "Issue PortEnable: Admin Post failed\n");
3827 goto out_unlock;
3828 }
3829 if (async) {
3830 mutex_unlock(&mrioc->init_cmds.mutex);
3831 goto out;
3832 }
3833
3834 wait_for_completion_timeout(&mrioc->init_cmds.done, (pe_timeout * HZ));
3835 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
3836 ioc_err(mrioc, "port enable timed out\n");
3837 retval = -1;
3838 mpi3mr_check_rh_fault_ioc(mrioc, MPI3MR_RESET_FROM_PE_TIMEOUT);
3839 goto out_unlock;
3840 }
3841 mpi3mr_port_enable_complete(mrioc, &mrioc->init_cmds);
3842
3843out_unlock:
3844 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
3845 mutex_unlock(&mrioc->init_cmds.mutex);
3846out:
3847 return retval;
3848}
3849
3850/* Protocol type to name mapper structure */
3851static const struct {
3852 u8 protocol;
3853 char *name;
3854} mpi3mr_protocols[] = {
3855 { MPI3_IOCFACTS_PROTOCOL_SCSI_INITIATOR, "Initiator" },
3856 { MPI3_IOCFACTS_PROTOCOL_SCSI_TARGET, "Target" },
3857 { MPI3_IOCFACTS_PROTOCOL_NVME, "NVMe attachment" },
3858};
3859
3860/* Capability to name mapper structure*/
3861static const struct {
3862 u32 capability;
3863 char *name;
3864} mpi3mr_capabilities[] = {
3865 { MPI3_IOCFACTS_CAPABILITY_RAID_SUPPORTED, "RAID" },
3866 { MPI3_IOCFACTS_CAPABILITY_MULTIPATH_SUPPORTED, "MultiPath" },
3867};
3868
3869/**
3870 * mpi3mr_repost_diag_bufs - repost host diag buffers
3871 * @mrioc: Adapter instance reference
3872 *
3873 * repost firmware and trace diag buffers based on global
3874 * trigger flag from driver page 2
3875 *
3876 * Return: 0 on success, non-zero on failures.
3877 */
3878static int mpi3mr_repost_diag_bufs(struct mpi3mr_ioc *mrioc)
3879{
3880 u64 global_trigger;
3881 union mpi3mr_trigger_data prev_trigger_data;
3882 struct diag_buffer_desc *trace_hdb = NULL;
3883 struct diag_buffer_desc *fw_hdb = NULL;
3884 int retval = 0;
3885 bool trace_repost_needed = false;
3886 bool fw_repost_needed = false;
3887 u8 prev_trigger_type;
3888
3889 retval = mpi3mr_refresh_trigger(mrioc, MPI3_CONFIG_ACTION_READ_CURRENT);
3890 if (retval)
3891 return -1;
3892
3893 trace_hdb = mpi3mr_diag_buffer_for_type(mrioc,
3894 MPI3_DIAG_BUFFER_TYPE_TRACE);
3895
3896 if (trace_hdb &&
3897 trace_hdb->status != MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED &&
3898 trace_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_GLOBAL &&
3899 trace_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_ELEMENT)
3900 trace_repost_needed = true;
3901
3902 fw_hdb = mpi3mr_diag_buffer_for_type(mrioc, MPI3_DIAG_BUFFER_TYPE_FW);
3903
3904 if (fw_hdb && fw_hdb->status != MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED &&
3905 fw_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_GLOBAL &&
3906 fw_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_ELEMENT)
3907 fw_repost_needed = true;
3908
3909 if (trace_repost_needed || fw_repost_needed) {
3910 global_trigger = le64_to_cpu(mrioc->driver_pg2->global_trigger);
3911 if (global_trigger &
3912 MPI3_DRIVER2_GLOBALTRIGGER_POST_DIAG_TRACE_DISABLED)
3913 trace_repost_needed = false;
3914 if (global_trigger &
3915 MPI3_DRIVER2_GLOBALTRIGGER_POST_DIAG_FW_DISABLED)
3916 fw_repost_needed = false;
3917 }
3918
3919 if (trace_repost_needed) {
3920 prev_trigger_type = trace_hdb->trigger_type;
3921 memcpy(&prev_trigger_data, &trace_hdb->trigger_data,
3922 sizeof(trace_hdb->trigger_data));
3923 retval = mpi3mr_issue_diag_buf_post(mrioc, trace_hdb);
3924 if (!retval) {
3925 dprint_init(mrioc, "trace diag buffer reposted");
3926 mpi3mr_set_trigger_data_in_hdb(trace_hdb,
3927 MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN, NULL, 1);
3928 } else {
3929 trace_hdb->trigger_type = prev_trigger_type;
3930 memcpy(&trace_hdb->trigger_data, &prev_trigger_data,
3931 sizeof(prev_trigger_data));
3932 ioc_err(mrioc, "trace diag buffer repost failed");
3933 return -1;
3934 }
3935 }
3936
3937 if (fw_repost_needed) {
3938 prev_trigger_type = fw_hdb->trigger_type;
3939 memcpy(&prev_trigger_data, &fw_hdb->trigger_data,
3940 sizeof(fw_hdb->trigger_data));
3941 retval = mpi3mr_issue_diag_buf_post(mrioc, fw_hdb);
3942 if (!retval) {
3943 dprint_init(mrioc, "firmware diag buffer reposted");
3944 mpi3mr_set_trigger_data_in_hdb(fw_hdb,
3945 MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN, NULL, 1);
3946 } else {
3947 fw_hdb->trigger_type = prev_trigger_type;
3948 memcpy(&fw_hdb->trigger_data, &prev_trigger_data,
3949 sizeof(prev_trigger_data));
3950 ioc_err(mrioc, "firmware diag buffer repost failed");
3951 return -1;
3952 }
3953 }
3954 return retval;
3955}
3956
3957/**
3958 * mpi3mr_read_tsu_interval - Update time stamp interval
3959 * @mrioc: Adapter instance reference
3960 *
3961 * Update time stamp interval if its defined in driver page 1,
3962 * otherwise use default value.
3963 *
3964 * Return: Nothing
3965 */
3966static void
3967mpi3mr_read_tsu_interval(struct mpi3mr_ioc *mrioc)
3968{
3969 struct mpi3_driver_page1 driver_pg1;
3970 u16 pg_sz = sizeof(driver_pg1);
3971 int retval = 0;
3972
3973 mrioc->ts_update_interval = MPI3MR_TSUPDATE_INTERVAL;
3974
3975 retval = mpi3mr_cfg_get_driver_pg1(mrioc, &driver_pg1, pg_sz);
3976 if (!retval && driver_pg1.time_stamp_update)
3977 mrioc->ts_update_interval = (driver_pg1.time_stamp_update * 60);
3978}
3979
3980/**
3981 * mpi3mr_print_ioc_info - Display controller information
3982 * @mrioc: Adapter instance reference
3983 *
3984 * Display controller personality, capability, supported
3985 * protocols etc.
3986 *
3987 * Return: Nothing
3988 */
3989static void
3990mpi3mr_print_ioc_info(struct mpi3mr_ioc *mrioc)
3991{
3992 int i = 0, bytes_written = 0;
3993 const char *personality;
3994 char protocol[50] = {0};
3995 char capabilities[100] = {0};
3996 struct mpi3mr_compimg_ver *fwver = &mrioc->facts.fw_ver;
3997
3998 switch (mrioc->facts.personality) {
3999 case MPI3_IOCFACTS_FLAGS_PERSONALITY_EHBA:
4000 personality = "Enhanced HBA";
4001 break;
4002 case MPI3_IOCFACTS_FLAGS_PERSONALITY_RAID_DDR:
4003 personality = "RAID";
4004 break;
4005 default:
4006 personality = "Unknown";
4007 break;
4008 }
4009
4010 ioc_info(mrioc, "Running in %s Personality", personality);
4011
4012 ioc_info(mrioc, "FW version(%d.%d.%d.%d.%d.%d)\n",
4013 fwver->gen_major, fwver->gen_minor, fwver->ph_major,
4014 fwver->ph_minor, fwver->cust_id, fwver->build_num);
4015
4016 for (i = 0; i < ARRAY_SIZE(mpi3mr_protocols); i++) {
4017 if (mrioc->facts.protocol_flags &
4018 mpi3mr_protocols[i].protocol) {
4019 bytes_written += scnprintf(protocol + bytes_written,
4020 sizeof(protocol) - bytes_written, "%s%s",
4021 bytes_written ? "," : "",
4022 mpi3mr_protocols[i].name);
4023 }
4024 }
4025
4026 bytes_written = 0;
4027 for (i = 0; i < ARRAY_SIZE(mpi3mr_capabilities); i++) {
4028 if (mrioc->facts.protocol_flags &
4029 mpi3mr_capabilities[i].capability) {
4030 bytes_written += scnprintf(capabilities + bytes_written,
4031 sizeof(capabilities) - bytes_written, "%s%s",
4032 bytes_written ? "," : "",
4033 mpi3mr_capabilities[i].name);
4034 }
4035 }
4036
4037 ioc_info(mrioc, "Protocol=(%s), Capabilities=(%s)\n",
4038 protocol, capabilities);
4039}
4040
4041/**
4042 * mpi3mr_cleanup_resources - Free PCI resources
4043 * @mrioc: Adapter instance reference
4044 *
4045 * Unmap PCI device memory and disable PCI device.
4046 *
4047 * Return: 0 on success and non-zero on failure.
4048 */
4049void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc)
4050{
4051 struct pci_dev *pdev = mrioc->pdev;
4052
4053 mpi3mr_cleanup_isr(mrioc);
4054
4055 if (mrioc->sysif_regs) {
4056 iounmap((void __iomem *)mrioc->sysif_regs);
4057 mrioc->sysif_regs = NULL;
4058 }
4059
4060 if (pci_is_enabled(pdev)) {
4061 if (mrioc->bars)
4062 pci_release_selected_regions(pdev, mrioc->bars);
4063 pci_disable_device(pdev);
4064 }
4065}
4066
4067/**
4068 * mpi3mr_setup_resources - Enable PCI resources
4069 * @mrioc: Adapter instance reference
4070 *
4071 * Enable PCI device memory, MSI-x registers and set DMA mask.
4072 *
4073 * Return: 0 on success and non-zero on failure.
4074 */
4075int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc)
4076{
4077 struct pci_dev *pdev = mrioc->pdev;
4078 u32 memap_sz = 0;
4079 int i, retval = 0, capb = 0;
4080 u16 message_control;
4081 u64 dma_mask = mrioc->dma_mask ? mrioc->dma_mask :
4082 ((sizeof(dma_addr_t) > 4) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
4083
4084 if (pci_enable_device_mem(pdev)) {
4085 ioc_err(mrioc, "pci_enable_device_mem: failed\n");
4086 retval = -ENODEV;
4087 goto out_failed;
4088 }
4089
4090 capb = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
4091 if (!capb) {
4092 ioc_err(mrioc, "Unable to find MSI-X Capabilities\n");
4093 retval = -ENODEV;
4094 goto out_failed;
4095 }
4096 mrioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
4097
4098 if (pci_request_selected_regions(pdev, mrioc->bars,
4099 mrioc->driver_name)) {
4100 ioc_err(mrioc, "pci_request_selected_regions: failed\n");
4101 retval = -ENODEV;
4102 goto out_failed;
4103 }
4104
4105 for (i = 0; (i < DEVICE_COUNT_RESOURCE); i++) {
4106 if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
4107 mrioc->sysif_regs_phys = pci_resource_start(pdev, i);
4108 memap_sz = pci_resource_len(pdev, i);
4109 mrioc->sysif_regs =
4110 ioremap(mrioc->sysif_regs_phys, memap_sz);
4111 break;
4112 }
4113 }
4114
4115 pci_set_master(pdev);
4116
4117 retval = dma_set_mask_and_coherent(&pdev->dev, dma_mask);
4118 if (retval) {
4119 if (dma_mask != DMA_BIT_MASK(32)) {
4120 ioc_warn(mrioc, "Setting 64 bit DMA mask failed\n");
4121 dma_mask = DMA_BIT_MASK(32);
4122 retval = dma_set_mask_and_coherent(&pdev->dev,
4123 dma_mask);
4124 }
4125 if (retval) {
4126 mrioc->dma_mask = 0;
4127 ioc_err(mrioc, "Setting 32 bit DMA mask also failed\n");
4128 goto out_failed;
4129 }
4130 }
4131 mrioc->dma_mask = dma_mask;
4132
4133 if (!mrioc->sysif_regs) {
4134 ioc_err(mrioc,
4135 "Unable to map adapter memory or resource not found\n");
4136 retval = -EINVAL;
4137 goto out_failed;
4138 }
4139
4140 pci_read_config_word(pdev, capb + 2, &message_control);
4141 mrioc->msix_count = (message_control & 0x3FF) + 1;
4142
4143 pci_save_state(pdev);
4144
4145 pci_set_drvdata(pdev, mrioc->shost);
4146
4147 mpi3mr_ioc_disable_intr(mrioc);
4148
4149 ioc_info(mrioc, "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
4150 (unsigned long long)mrioc->sysif_regs_phys,
4151 mrioc->sysif_regs, memap_sz);
4152 ioc_info(mrioc, "Number of MSI-X vectors found in capabilities: (%d)\n",
4153 mrioc->msix_count);
4154
4155 if (!reset_devices && poll_queues > 0)
4156 mrioc->requested_poll_qcount = min_t(int, poll_queues,
4157 mrioc->msix_count - 2);
4158 return retval;
4159
4160out_failed:
4161 mpi3mr_cleanup_resources(mrioc);
4162 return retval;
4163}
4164
4165/**
4166 * mpi3mr_enable_events - Enable required events
4167 * @mrioc: Adapter instance reference
4168 *
4169 * This routine unmasks the events required by the driver by
4170 * sennding appropriate event mask bitmapt through an event
4171 * notification request.
4172 *
4173 * Return: 0 on success and non-zero on failure.
4174 */
4175static int mpi3mr_enable_events(struct mpi3mr_ioc *mrioc)
4176{
4177 int retval = 0;
4178 u32 i;
4179
4180 for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
4181 mrioc->event_masks[i] = -1;
4182
4183 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_ADDED);
4184 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_INFO_CHANGED);
4185 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_STATUS_CHANGE);
4186 mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE);
4187 mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENCL_DEVICE_ADDED);
4188 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
4189 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DISCOVERY);
4190 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR);
4191 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_BROADCAST_PRIMITIVE);
4192 mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
4193 mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_ENUMERATION);
4194 mpi3mr_unmask_events(mrioc, MPI3_EVENT_PREPARE_FOR_RESET);
4195 mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT);
4196 mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE);
4197 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE);
4198
4199 retval = mpi3mr_issue_event_notification(mrioc);
4200 if (retval)
4201 ioc_err(mrioc, "failed to issue event notification %d\n",
4202 retval);
4203 return retval;
4204}
4205
4206/**
4207 * mpi3mr_init_ioc - Initialize the controller
4208 * @mrioc: Adapter instance reference
4209 *
4210 * This the controller initialization routine, executed either
4211 * after soft reset or from pci probe callback.
4212 * Setup the required resources, memory map the controller
4213 * registers, create admin and operational reply queue pairs,
4214 * allocate required memory for reply pool, sense buffer pool,
4215 * issue IOC init request to the firmware, unmask the events and
4216 * issue port enable to discover SAS/SATA/NVMe devies and RAID
4217 * volumes.
4218 *
4219 * Return: 0 on success and non-zero on failure.
4220 */
4221int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
4222{
4223 int retval = 0;
4224 u8 retry = 0;
4225 struct mpi3_ioc_facts_data facts_data;
4226 u32 sz;
4227
4228retry_init:
4229 retval = mpi3mr_bring_ioc_ready(mrioc);
4230 if (retval) {
4231 ioc_err(mrioc, "Failed to bring ioc ready: error %d\n",
4232 retval);
4233 goto out_failed_noretry;
4234 }
4235
4236 retval = mpi3mr_setup_isr(mrioc, 1);
4237 if (retval) {
4238 ioc_err(mrioc, "Failed to setup ISR error %d\n",
4239 retval);
4240 goto out_failed_noretry;
4241 }
4242
4243 retval = mpi3mr_issue_iocfacts(mrioc, &facts_data);
4244 if (retval) {
4245 ioc_err(mrioc, "Failed to Issue IOC Facts %d\n",
4246 retval);
4247 goto out_failed;
4248 }
4249
4250 mrioc->max_host_ios = mrioc->facts.max_reqs - MPI3MR_INTERNAL_CMDS_RESVD;
4251 mrioc->shost->max_sectors = mrioc->facts.max_data_length / 512;
4252 mrioc->num_io_throttle_group = mrioc->facts.max_io_throttle_group;
4253 atomic_set(&mrioc->pend_large_data_sz, 0);
4254
4255 if (reset_devices)
4256 mrioc->max_host_ios = min_t(int, mrioc->max_host_ios,
4257 MPI3MR_HOST_IOS_KDUMP);
4258
4259 if (!(mrioc->facts.ioc_capabilities &
4260 MPI3_IOCFACTS_CAPABILITY_MULTIPATH_SUPPORTED)) {
4261 mrioc->sas_transport_enabled = 1;
4262 mrioc->scsi_device_channel = 1;
4263 mrioc->shost->max_channel = 1;
4264 mrioc->shost->transportt = mpi3mr_transport_template;
4265 }
4266
4267 if (mrioc->facts.max_req_limit)
4268 mrioc->prevent_reply_qfull = true;
4269
4270 if (mrioc->facts.ioc_capabilities &
4271 MPI3_IOCFACTS_CAPABILITY_SEG_DIAG_TRACE_SUPPORTED)
4272 mrioc->seg_tb_support = true;
4273
4274 mrioc->reply_sz = mrioc->facts.reply_sz;
4275
4276 retval = mpi3mr_check_reset_dma_mask(mrioc);
4277 if (retval) {
4278 ioc_err(mrioc, "Resetting dma mask failed %d\n",
4279 retval);
4280 goto out_failed_noretry;
4281 }
4282
4283 mpi3mr_read_tsu_interval(mrioc);
4284 mpi3mr_print_ioc_info(mrioc);
4285
4286 dprint_init(mrioc, "allocating host diag buffers\n");
4287 mpi3mr_alloc_diag_bufs(mrioc);
4288
4289 dprint_init(mrioc, "allocating ioctl dma buffers\n");
4290 mpi3mr_alloc_ioctl_dma_memory(mrioc);
4291
4292 dprint_init(mrioc, "posting host diag buffers\n");
4293 retval = mpi3mr_post_diag_bufs(mrioc);
4294
4295 if (retval)
4296 ioc_warn(mrioc, "failed to post host diag buffers\n");
4297
4298 if (!mrioc->init_cmds.reply) {
4299 retval = mpi3mr_alloc_reply_sense_bufs(mrioc);
4300 if (retval) {
4301 ioc_err(mrioc,
4302 "%s :Failed to allocated reply sense buffers %d\n",
4303 __func__, retval);
4304 goto out_failed_noretry;
4305 }
4306 }
4307
4308 if (!mrioc->chain_sgl_list) {
4309 retval = mpi3mr_alloc_chain_bufs(mrioc);
4310 if (retval) {
4311 ioc_err(mrioc, "Failed to allocated chain buffers %d\n",
4312 retval);
4313 goto out_failed_noretry;
4314 }
4315 }
4316
4317 retval = mpi3mr_issue_iocinit(mrioc);
4318 if (retval) {
4319 ioc_err(mrioc, "Failed to Issue IOC Init %d\n",
4320 retval);
4321 goto out_failed;
4322 }
4323
4324 retval = mpi3mr_print_pkg_ver(mrioc);
4325 if (retval) {
4326 ioc_err(mrioc, "failed to get package version\n");
4327 goto out_failed;
4328 }
4329
4330 retval = mpi3mr_setup_isr(mrioc, 0);
4331 if (retval) {
4332 ioc_err(mrioc, "Failed to re-setup ISR, error %d\n",
4333 retval);
4334 goto out_failed_noretry;
4335 }
4336
4337 retval = mpi3mr_create_op_queues(mrioc);
4338 if (retval) {
4339 ioc_err(mrioc, "Failed to create OpQueues error %d\n",
4340 retval);
4341 goto out_failed;
4342 }
4343
4344 if (!mrioc->pel_seqnum_virt) {
4345 dprint_init(mrioc, "allocating memory for pel_seqnum_virt\n");
4346 mrioc->pel_seqnum_sz = sizeof(struct mpi3_pel_seq);
4347 mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev,
4348 mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma,
4349 GFP_KERNEL);
4350 if (!mrioc->pel_seqnum_virt) {
4351 retval = -ENOMEM;
4352 goto out_failed_noretry;
4353 }
4354 }
4355
4356 if (!mrioc->throttle_groups && mrioc->num_io_throttle_group) {
4357 dprint_init(mrioc, "allocating memory for throttle groups\n");
4358 sz = sizeof(struct mpi3mr_throttle_group_info);
4359 mrioc->throttle_groups = kcalloc(mrioc->num_io_throttle_group, sz, GFP_KERNEL);
4360 if (!mrioc->throttle_groups) {
4361 retval = -1;
4362 goto out_failed_noretry;
4363 }
4364 }
4365
4366 retval = mpi3mr_enable_events(mrioc);
4367 if (retval) {
4368 ioc_err(mrioc, "failed to enable events %d\n",
4369 retval);
4370 goto out_failed;
4371 }
4372
4373 retval = mpi3mr_refresh_trigger(mrioc, MPI3_CONFIG_ACTION_READ_CURRENT);
4374 if (retval) {
4375 ioc_err(mrioc, "failed to refresh triggers\n");
4376 goto out_failed;
4377 }
4378
4379 ioc_info(mrioc, "controller initialization completed successfully\n");
4380 return retval;
4381out_failed:
4382 if (retry < 2) {
4383 retry++;
4384 ioc_warn(mrioc, "retrying controller initialization, retry_count:%d\n",
4385 retry);
4386 mpi3mr_memset_buffers(mrioc);
4387 goto retry_init;
4388 }
4389 retval = -1;
4390out_failed_noretry:
4391 ioc_err(mrioc, "controller initialization failed\n");
4392 mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
4393 MPI3MR_RESET_FROM_CTLR_CLEANUP);
4394 mrioc->unrecoverable = 1;
4395 return retval;
4396}
4397
4398/**
4399 * mpi3mr_reinit_ioc - Re-Initialize the controller
4400 * @mrioc: Adapter instance reference
4401 * @is_resume: Called from resume or reset path
4402 *
4403 * This the controller re-initialization routine, executed from
4404 * the soft reset handler or resume callback. Creates
4405 * operational reply queue pairs, allocate required memory for
4406 * reply pool, sense buffer pool, issue IOC init request to the
4407 * firmware, unmask the events and issue port enable to discover
4408 * SAS/SATA/NVMe devices and RAID volumes.
4409 *
4410 * Return: 0 on success and non-zero on failure.
4411 */
4412int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume)
4413{
4414 int retval = 0;
4415 u8 retry = 0;
4416 struct mpi3_ioc_facts_data facts_data;
4417 u32 pe_timeout, ioc_status;
4418
4419retry_init:
4420 pe_timeout =
4421 (MPI3MR_PORTENABLE_TIMEOUT / MPI3MR_PORTENABLE_POLL_INTERVAL);
4422
4423 dprint_reset(mrioc, "bringing up the controller to ready state\n");
4424 retval = mpi3mr_bring_ioc_ready(mrioc);
4425 if (retval) {
4426 ioc_err(mrioc, "failed to bring to ready state\n");
4427 goto out_failed_noretry;
4428 }
4429
4430 mrioc->io_admin_reset_sync = 0;
4431 if (is_resume || mrioc->block_on_pci_err) {
4432 dprint_reset(mrioc, "setting up single ISR\n");
4433 retval = mpi3mr_setup_isr(mrioc, 1);
4434 if (retval) {
4435 ioc_err(mrioc, "failed to setup ISR\n");
4436 goto out_failed_noretry;
4437 }
4438 } else
4439 mpi3mr_ioc_enable_intr(mrioc);
4440
4441 dprint_reset(mrioc, "getting ioc_facts\n");
4442 retval = mpi3mr_issue_iocfacts(mrioc, &facts_data);
4443 if (retval) {
4444 ioc_err(mrioc, "failed to get ioc_facts\n");
4445 goto out_failed;
4446 }
4447
4448 dprint_reset(mrioc, "validating ioc_facts\n");
4449 retval = mpi3mr_revalidate_factsdata(mrioc);
4450 if (retval) {
4451 ioc_err(mrioc, "failed to revalidate ioc_facts data\n");
4452 goto out_failed_noretry;
4453 }
4454
4455 mpi3mr_read_tsu_interval(mrioc);
4456 mpi3mr_print_ioc_info(mrioc);
4457
4458 if (is_resume) {
4459 dprint_reset(mrioc, "posting host diag buffers\n");
4460 retval = mpi3mr_post_diag_bufs(mrioc);
4461 if (retval)
4462 ioc_warn(mrioc, "failed to post host diag buffers\n");
4463 } else {
4464 retval = mpi3mr_repost_diag_bufs(mrioc);
4465 if (retval)
4466 ioc_warn(mrioc, "failed to re post host diag buffers\n");
4467 }
4468
4469 dprint_reset(mrioc, "sending ioc_init\n");
4470 retval = mpi3mr_issue_iocinit(mrioc);
4471 if (retval) {
4472 ioc_err(mrioc, "failed to send ioc_init\n");
4473 goto out_failed;
4474 }
4475
4476 dprint_reset(mrioc, "getting package version\n");
4477 retval = mpi3mr_print_pkg_ver(mrioc);
4478 if (retval) {
4479 ioc_err(mrioc, "failed to get package version\n");
4480 goto out_failed;
4481 }
4482
4483 if (is_resume || mrioc->block_on_pci_err) {
4484 dprint_reset(mrioc, "setting up multiple ISR\n");
4485 retval = mpi3mr_setup_isr(mrioc, 0);
4486 if (retval) {
4487 ioc_err(mrioc, "failed to re-setup ISR\n");
4488 goto out_failed_noretry;
4489 }
4490 }
4491
4492 dprint_reset(mrioc, "creating operational queue pairs\n");
4493 retval = mpi3mr_create_op_queues(mrioc);
4494 if (retval) {
4495 ioc_err(mrioc, "failed to create operational queue pairs\n");
4496 goto out_failed;
4497 }
4498
4499 if (!mrioc->pel_seqnum_virt) {
4500 dprint_reset(mrioc, "allocating memory for pel_seqnum_virt\n");
4501 mrioc->pel_seqnum_sz = sizeof(struct mpi3_pel_seq);
4502 mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev,
4503 mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma,
4504 GFP_KERNEL);
4505 if (!mrioc->pel_seqnum_virt) {
4506 retval = -ENOMEM;
4507 goto out_failed_noretry;
4508 }
4509 }
4510
4511 if (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q) {
4512 ioc_err(mrioc,
4513 "cannot create minimum number of operational queues expected:%d created:%d\n",
4514 mrioc->shost->nr_hw_queues, mrioc->num_op_reply_q);
4515 retval = -1;
4516 goto out_failed_noretry;
4517 }
4518
4519 dprint_reset(mrioc, "enabling events\n");
4520 retval = mpi3mr_enable_events(mrioc);
4521 if (retval) {
4522 ioc_err(mrioc, "failed to enable events\n");
4523 goto out_failed;
4524 }
4525
4526 mrioc->device_refresh_on = 1;
4527 mpi3mr_add_event_wait_for_device_refresh(mrioc);
4528
4529 ioc_info(mrioc, "sending port enable\n");
4530 retval = mpi3mr_issue_port_enable(mrioc, 1);
4531 if (retval) {
4532 ioc_err(mrioc, "failed to issue port enable\n");
4533 goto out_failed;
4534 }
4535 do {
4536 ssleep(MPI3MR_PORTENABLE_POLL_INTERVAL);
4537 if (mrioc->init_cmds.state == MPI3MR_CMD_NOTUSED)
4538 break;
4539 if (!pci_device_is_present(mrioc->pdev))
4540 mrioc->unrecoverable = 1;
4541 if (mrioc->unrecoverable) {
4542 retval = -1;
4543 goto out_failed_noretry;
4544 }
4545 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
4546 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
4547 (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
4548 mpi3mr_print_fault_info(mrioc);
4549 mrioc->init_cmds.is_waiting = 0;
4550 mrioc->init_cmds.callback = NULL;
4551 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
4552 goto out_failed;
4553 }
4554 } while (--pe_timeout);
4555
4556 if (!pe_timeout) {
4557 ioc_err(mrioc, "port enable timed out\n");
4558 mpi3mr_check_rh_fault_ioc(mrioc,
4559 MPI3MR_RESET_FROM_PE_TIMEOUT);
4560 mrioc->init_cmds.is_waiting = 0;
4561 mrioc->init_cmds.callback = NULL;
4562 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
4563 goto out_failed;
4564 } else if (mrioc->scan_failed) {
4565 ioc_err(mrioc,
4566 "port enable failed with status=0x%04x\n",
4567 mrioc->scan_failed);
4568 } else
4569 ioc_info(mrioc, "port enable completed successfully\n");
4570
4571 ioc_info(mrioc, "controller %s completed successfully\n",
4572 (is_resume)?"resume":"re-initialization");
4573 return retval;
4574out_failed:
4575 if (retry < 2) {
4576 retry++;
4577 ioc_warn(mrioc, "retrying controller %s, retry_count:%d\n",
4578 (is_resume)?"resume":"re-initialization", retry);
4579 mpi3mr_memset_buffers(mrioc);
4580 goto retry_init;
4581 }
4582 retval = -1;
4583out_failed_noretry:
4584 ioc_err(mrioc, "controller %s is failed\n",
4585 (is_resume)?"resume":"re-initialization");
4586 mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
4587 MPI3MR_RESET_FROM_CTLR_CLEANUP);
4588 mrioc->unrecoverable = 1;
4589 return retval;
4590}
4591
4592/**
4593 * mpi3mr_memset_op_reply_q_buffers - memset the operational reply queue's
4594 * segments
4595 * @mrioc: Adapter instance reference
4596 * @qidx: Operational reply queue index
4597 *
4598 * Return: Nothing.
4599 */
4600static void mpi3mr_memset_op_reply_q_buffers(struct mpi3mr_ioc *mrioc, u16 qidx)
4601{
4602 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
4603 struct segments *segments;
4604 int i, size;
4605
4606 if (!op_reply_q->q_segments)
4607 return;
4608
4609 size = op_reply_q->segment_qd * mrioc->op_reply_desc_sz;
4610 segments = op_reply_q->q_segments;
4611 for (i = 0; i < op_reply_q->num_segments; i++)
4612 memset(segments[i].segment, 0, size);
4613}
4614
4615/**
4616 * mpi3mr_memset_op_req_q_buffers - memset the operational request queue's
4617 * segments
4618 * @mrioc: Adapter instance reference
4619 * @qidx: Operational request queue index
4620 *
4621 * Return: Nothing.
4622 */
4623static void mpi3mr_memset_op_req_q_buffers(struct mpi3mr_ioc *mrioc, u16 qidx)
4624{
4625 struct op_req_qinfo *op_req_q = mrioc->req_qinfo + qidx;
4626 struct segments *segments;
4627 int i, size;
4628
4629 if (!op_req_q->q_segments)
4630 return;
4631
4632 size = op_req_q->segment_qd * mrioc->facts.op_req_sz;
4633 segments = op_req_q->q_segments;
4634 for (i = 0; i < op_req_q->num_segments; i++)
4635 memset(segments[i].segment, 0, size);
4636}
4637
4638/**
4639 * mpi3mr_memset_buffers - memset memory for a controller
4640 * @mrioc: Adapter instance reference
4641 *
4642 * clear all the memory allocated for a controller, typically
4643 * called post reset to reuse the memory allocated during the
4644 * controller init.
4645 *
4646 * Return: Nothing.
4647 */
4648void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc)
4649{
4650 u16 i;
4651 struct mpi3mr_throttle_group_info *tg;
4652
4653 mrioc->change_count = 0;
4654 mrioc->active_poll_qcount = 0;
4655 mrioc->default_qcount = 0;
4656 if (mrioc->admin_req_base)
4657 memset(mrioc->admin_req_base, 0, mrioc->admin_req_q_sz);
4658 if (mrioc->admin_reply_base)
4659 memset(mrioc->admin_reply_base, 0, mrioc->admin_reply_q_sz);
4660 atomic_set(&mrioc->admin_reply_q_in_use, 0);
4661 atomic_set(&mrioc->admin_pend_isr, 0);
4662
4663 if (mrioc->init_cmds.reply) {
4664 memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply));
4665 memset(mrioc->bsg_cmds.reply, 0,
4666 sizeof(*mrioc->bsg_cmds.reply));
4667 memset(mrioc->host_tm_cmds.reply, 0,
4668 sizeof(*mrioc->host_tm_cmds.reply));
4669 memset(mrioc->pel_cmds.reply, 0,
4670 sizeof(*mrioc->pel_cmds.reply));
4671 memset(mrioc->pel_abort_cmd.reply, 0,
4672 sizeof(*mrioc->pel_abort_cmd.reply));
4673 memset(mrioc->transport_cmds.reply, 0,
4674 sizeof(*mrioc->transport_cmds.reply));
4675 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++)
4676 memset(mrioc->dev_rmhs_cmds[i].reply, 0,
4677 sizeof(*mrioc->dev_rmhs_cmds[i].reply));
4678 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++)
4679 memset(mrioc->evtack_cmds[i].reply, 0,
4680 sizeof(*mrioc->evtack_cmds[i].reply));
4681 bitmap_clear(mrioc->removepend_bitmap, 0,
4682 mrioc->dev_handle_bitmap_bits);
4683 bitmap_clear(mrioc->devrem_bitmap, 0, MPI3MR_NUM_DEVRMCMD);
4684 bitmap_clear(mrioc->evtack_cmds_bitmap, 0,
4685 MPI3MR_NUM_EVTACKCMD);
4686 }
4687
4688 for (i = 0; i < mrioc->num_queues; i++) {
4689 mrioc->op_reply_qinfo[i].qid = 0;
4690 mrioc->op_reply_qinfo[i].ci = 0;
4691 mrioc->op_reply_qinfo[i].num_replies = 0;
4692 mrioc->op_reply_qinfo[i].ephase = 0;
4693 atomic_set(&mrioc->op_reply_qinfo[i].pend_ios, 0);
4694 atomic_set(&mrioc->op_reply_qinfo[i].in_use, 0);
4695 mpi3mr_memset_op_reply_q_buffers(mrioc, i);
4696
4697 mrioc->req_qinfo[i].ci = 0;
4698 mrioc->req_qinfo[i].pi = 0;
4699 mrioc->req_qinfo[i].num_requests = 0;
4700 mrioc->req_qinfo[i].qid = 0;
4701 mrioc->req_qinfo[i].reply_qid = 0;
4702 spin_lock_init(&mrioc->req_qinfo[i].q_lock);
4703 mpi3mr_memset_op_req_q_buffers(mrioc, i);
4704 }
4705
4706 atomic_set(&mrioc->pend_large_data_sz, 0);
4707 if (mrioc->throttle_groups) {
4708 tg = mrioc->throttle_groups;
4709 for (i = 0; i < mrioc->num_io_throttle_group; i++, tg++) {
4710 tg->id = 0;
4711 tg->fw_qd = 0;
4712 tg->modified_qd = 0;
4713 tg->io_divert = 0;
4714 tg->need_qd_reduction = 0;
4715 tg->high = 0;
4716 tg->low = 0;
4717 tg->qd_reduction = 0;
4718 atomic_set(&tg->pend_large_data_sz, 0);
4719 }
4720 }
4721}
4722
4723/**
4724 * mpi3mr_free_mem - Free memory allocated for a controller
4725 * @mrioc: Adapter instance reference
4726 *
4727 * Free all the memory allocated for a controller.
4728 *
4729 * Return: Nothing.
4730 */
4731void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
4732{
4733 u16 i, j;
4734 struct mpi3mr_intr_info *intr_info;
4735 struct diag_buffer_desc *diag_buffer;
4736
4737 mpi3mr_free_enclosure_list(mrioc);
4738 mpi3mr_free_ioctl_dma_memory(mrioc);
4739
4740 if (mrioc->sense_buf_pool) {
4741 if (mrioc->sense_buf)
4742 dma_pool_free(mrioc->sense_buf_pool, mrioc->sense_buf,
4743 mrioc->sense_buf_dma);
4744 dma_pool_destroy(mrioc->sense_buf_pool);
4745 mrioc->sense_buf = NULL;
4746 mrioc->sense_buf_pool = NULL;
4747 }
4748 if (mrioc->sense_buf_q_pool) {
4749 if (mrioc->sense_buf_q)
4750 dma_pool_free(mrioc->sense_buf_q_pool,
4751 mrioc->sense_buf_q, mrioc->sense_buf_q_dma);
4752 dma_pool_destroy(mrioc->sense_buf_q_pool);
4753 mrioc->sense_buf_q = NULL;
4754 mrioc->sense_buf_q_pool = NULL;
4755 }
4756
4757 if (mrioc->reply_buf_pool) {
4758 if (mrioc->reply_buf)
4759 dma_pool_free(mrioc->reply_buf_pool, mrioc->reply_buf,
4760 mrioc->reply_buf_dma);
4761 dma_pool_destroy(mrioc->reply_buf_pool);
4762 mrioc->reply_buf = NULL;
4763 mrioc->reply_buf_pool = NULL;
4764 }
4765 if (mrioc->reply_free_q_pool) {
4766 if (mrioc->reply_free_q)
4767 dma_pool_free(mrioc->reply_free_q_pool,
4768 mrioc->reply_free_q, mrioc->reply_free_q_dma);
4769 dma_pool_destroy(mrioc->reply_free_q_pool);
4770 mrioc->reply_free_q = NULL;
4771 mrioc->reply_free_q_pool = NULL;
4772 }
4773
4774 for (i = 0; i < mrioc->num_op_req_q; i++)
4775 mpi3mr_free_op_req_q_segments(mrioc, i);
4776
4777 for (i = 0; i < mrioc->num_op_reply_q; i++)
4778 mpi3mr_free_op_reply_q_segments(mrioc, i);
4779
4780 for (i = 0; i < mrioc->intr_info_count; i++) {
4781 intr_info = mrioc->intr_info + i;
4782 intr_info->op_reply_q = NULL;
4783 }
4784
4785 kfree(mrioc->req_qinfo);
4786 mrioc->req_qinfo = NULL;
4787 mrioc->num_op_req_q = 0;
4788
4789 kfree(mrioc->op_reply_qinfo);
4790 mrioc->op_reply_qinfo = NULL;
4791 mrioc->num_op_reply_q = 0;
4792
4793 kfree(mrioc->init_cmds.reply);
4794 mrioc->init_cmds.reply = NULL;
4795
4796 kfree(mrioc->bsg_cmds.reply);
4797 mrioc->bsg_cmds.reply = NULL;
4798
4799 kfree(mrioc->host_tm_cmds.reply);
4800 mrioc->host_tm_cmds.reply = NULL;
4801
4802 kfree(mrioc->pel_cmds.reply);
4803 mrioc->pel_cmds.reply = NULL;
4804
4805 kfree(mrioc->pel_abort_cmd.reply);
4806 mrioc->pel_abort_cmd.reply = NULL;
4807
4808 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) {
4809 kfree(mrioc->evtack_cmds[i].reply);
4810 mrioc->evtack_cmds[i].reply = NULL;
4811 }
4812
4813 bitmap_free(mrioc->removepend_bitmap);
4814 mrioc->removepend_bitmap = NULL;
4815
4816 bitmap_free(mrioc->devrem_bitmap);
4817 mrioc->devrem_bitmap = NULL;
4818
4819 bitmap_free(mrioc->evtack_cmds_bitmap);
4820 mrioc->evtack_cmds_bitmap = NULL;
4821
4822 bitmap_free(mrioc->chain_bitmap);
4823 mrioc->chain_bitmap = NULL;
4824
4825 kfree(mrioc->transport_cmds.reply);
4826 mrioc->transport_cmds.reply = NULL;
4827
4828 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
4829 kfree(mrioc->dev_rmhs_cmds[i].reply);
4830 mrioc->dev_rmhs_cmds[i].reply = NULL;
4831 }
4832
4833 if (mrioc->chain_buf_pool) {
4834 for (i = 0; i < mrioc->chain_buf_count; i++) {
4835 if (mrioc->chain_sgl_list[i].addr) {
4836 dma_pool_free(mrioc->chain_buf_pool,
4837 mrioc->chain_sgl_list[i].addr,
4838 mrioc->chain_sgl_list[i].dma_addr);
4839 mrioc->chain_sgl_list[i].addr = NULL;
4840 }
4841 }
4842 dma_pool_destroy(mrioc->chain_buf_pool);
4843 mrioc->chain_buf_pool = NULL;
4844 }
4845
4846 kfree(mrioc->chain_sgl_list);
4847 mrioc->chain_sgl_list = NULL;
4848
4849 if (mrioc->admin_reply_base) {
4850 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_reply_q_sz,
4851 mrioc->admin_reply_base, mrioc->admin_reply_dma);
4852 mrioc->admin_reply_base = NULL;
4853 }
4854 if (mrioc->admin_req_base) {
4855 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_req_q_sz,
4856 mrioc->admin_req_base, mrioc->admin_req_dma);
4857 mrioc->admin_req_base = NULL;
4858 }
4859
4860 if (mrioc->pel_seqnum_virt) {
4861 dma_free_coherent(&mrioc->pdev->dev, mrioc->pel_seqnum_sz,
4862 mrioc->pel_seqnum_virt, mrioc->pel_seqnum_dma);
4863 mrioc->pel_seqnum_virt = NULL;
4864 }
4865
4866 for (i = 0; i < MPI3MR_MAX_NUM_HDB; i++) {
4867 diag_buffer = &mrioc->diag_buffers[i];
4868 if ((i == 0) && mrioc->seg_tb_support) {
4869 if (mrioc->trace_buf_pool) {
4870 for (j = 0; j < mrioc->num_tb_segs; j++) {
4871 if (mrioc->trace_buf[j].segment) {
4872 dma_pool_free(mrioc->trace_buf_pool,
4873 mrioc->trace_buf[j].segment,
4874 mrioc->trace_buf[j].segment_dma);
4875 mrioc->trace_buf[j].segment = NULL;
4876 }
4877
4878 mrioc->trace_buf[j].segment = NULL;
4879 }
4880 dma_pool_destroy(mrioc->trace_buf_pool);
4881 mrioc->trace_buf_pool = NULL;
4882 }
4883
4884 kfree(mrioc->trace_buf);
4885 mrioc->trace_buf = NULL;
4886 diag_buffer->size = sizeof(u64) * mrioc->num_tb_segs;
4887 }
4888 if (diag_buffer->addr) {
4889 dma_free_coherent(&mrioc->pdev->dev,
4890 diag_buffer->size, diag_buffer->addr,
4891 diag_buffer->dma_addr);
4892 diag_buffer->addr = NULL;
4893 diag_buffer->size = 0;
4894 diag_buffer->type = 0;
4895 diag_buffer->status = 0;
4896 }
4897 }
4898
4899 kfree(mrioc->throttle_groups);
4900 mrioc->throttle_groups = NULL;
4901
4902 kfree(mrioc->logdata_buf);
4903 mrioc->logdata_buf = NULL;
4904
4905}
4906
4907/**
4908 * mpi3mr_issue_ioc_shutdown - shutdown controller
4909 * @mrioc: Adapter instance reference
4910 *
4911 * Send shutodwn notification to the controller and wait for the
4912 * shutdown_timeout for it to be completed.
4913 *
4914 * Return: Nothing.
4915 */
4916static void mpi3mr_issue_ioc_shutdown(struct mpi3mr_ioc *mrioc)
4917{
4918 u32 ioc_config, ioc_status;
4919 u8 retval = 1;
4920 u32 timeout = MPI3MR_DEFAULT_SHUTDOWN_TIME * 10;
4921
4922 ioc_info(mrioc, "Issuing shutdown Notification\n");
4923 if (mrioc->unrecoverable) {
4924 ioc_warn(mrioc,
4925 "IOC is unrecoverable shutdown is not issued\n");
4926 return;
4927 }
4928 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
4929 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK)
4930 == MPI3_SYSIF_IOC_STATUS_SHUTDOWN_IN_PROGRESS) {
4931 ioc_info(mrioc, "shutdown already in progress\n");
4932 return;
4933 }
4934
4935 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
4936 ioc_config |= MPI3_SYSIF_IOC_CONFIG_SHUTDOWN_NORMAL;
4937 ioc_config |= MPI3_SYSIF_IOC_CONFIG_DEVICE_SHUTDOWN_SEND_REQ;
4938
4939 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
4940
4941 if (mrioc->facts.shutdown_timeout)
4942 timeout = mrioc->facts.shutdown_timeout * 10;
4943
4944 do {
4945 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
4946 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK)
4947 == MPI3_SYSIF_IOC_STATUS_SHUTDOWN_COMPLETE) {
4948 retval = 0;
4949 break;
4950 }
4951 msleep(100);
4952 } while (--timeout);
4953
4954 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
4955 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
4956
4957 if (retval) {
4958 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK)
4959 == MPI3_SYSIF_IOC_STATUS_SHUTDOWN_IN_PROGRESS)
4960 ioc_warn(mrioc,
4961 "shutdown still in progress after timeout\n");
4962 }
4963
4964 ioc_info(mrioc,
4965 "Base IOC Sts/Config after %s shutdown is (0x%08x)/(0x%08x)\n",
4966 (!retval) ? "successful" : "failed", ioc_status,
4967 ioc_config);
4968}
4969
4970/**
4971 * mpi3mr_cleanup_ioc - Cleanup controller
4972 * @mrioc: Adapter instance reference
4973 *
4974 * controller cleanup handler, Message unit reset or soft reset
4975 * and shutdown notification is issued to the controller.
4976 *
4977 * Return: Nothing.
4978 */
4979void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc)
4980{
4981 enum mpi3mr_iocstate ioc_state;
4982
4983 dprint_exit(mrioc, "cleaning up the controller\n");
4984 mpi3mr_ioc_disable_intr(mrioc);
4985
4986 ioc_state = mpi3mr_get_iocstate(mrioc);
4987
4988 if (!mrioc->unrecoverable && !mrioc->reset_in_progress &&
4989 !mrioc->pci_err_recovery &&
4990 (ioc_state == MRIOC_STATE_READY)) {
4991 if (mpi3mr_issue_and_process_mur(mrioc,
4992 MPI3MR_RESET_FROM_CTLR_CLEANUP))
4993 mpi3mr_issue_reset(mrioc,
4994 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET,
4995 MPI3MR_RESET_FROM_MUR_FAILURE);
4996 mpi3mr_issue_ioc_shutdown(mrioc);
4997 }
4998 dprint_exit(mrioc, "controller cleanup completed\n");
4999}
5000
5001/**
5002 * mpi3mr_drv_cmd_comp_reset - Flush a internal driver command
5003 * @mrioc: Adapter instance reference
5004 * @cmdptr: Internal command tracker
5005 *
5006 * Complete an internal driver commands with state indicating it
5007 * is completed due to reset.
5008 *
5009 * Return: Nothing.
5010 */
5011static inline void mpi3mr_drv_cmd_comp_reset(struct mpi3mr_ioc *mrioc,
5012 struct mpi3mr_drv_cmd *cmdptr)
5013{
5014 if (cmdptr->state & MPI3MR_CMD_PENDING) {
5015 cmdptr->state |= MPI3MR_CMD_RESET;
5016 cmdptr->state &= ~MPI3MR_CMD_PENDING;
5017 if (cmdptr->is_waiting) {
5018 complete(&cmdptr->done);
5019 cmdptr->is_waiting = 0;
5020 } else if (cmdptr->callback)
5021 cmdptr->callback(mrioc, cmdptr);
5022 }
5023}
5024
5025/**
5026 * mpi3mr_flush_drv_cmds - Flush internaldriver commands
5027 * @mrioc: Adapter instance reference
5028 *
5029 * Flush all internal driver commands post reset
5030 *
5031 * Return: Nothing.
5032 */
5033void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
5034{
5035 struct mpi3mr_drv_cmd *cmdptr;
5036 u8 i;
5037
5038 cmdptr = &mrioc->init_cmds;
5039 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5040
5041 cmdptr = &mrioc->cfg_cmds;
5042 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5043
5044 cmdptr = &mrioc->bsg_cmds;
5045 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5046 cmdptr = &mrioc->host_tm_cmds;
5047 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5048
5049 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
5050 cmdptr = &mrioc->dev_rmhs_cmds[i];
5051 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5052 }
5053
5054 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) {
5055 cmdptr = &mrioc->evtack_cmds[i];
5056 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5057 }
5058
5059 cmdptr = &mrioc->pel_cmds;
5060 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5061
5062 cmdptr = &mrioc->pel_abort_cmd;
5063 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5064
5065 cmdptr = &mrioc->transport_cmds;
5066 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
5067}
5068
5069/**
5070 * mpi3mr_pel_wait_post - Issue PEL Wait
5071 * @mrioc: Adapter instance reference
5072 * @drv_cmd: Internal command tracker
5073 *
5074 * Issue PEL Wait MPI request through admin queue and return.
5075 *
5076 * Return: Nothing.
5077 */
5078static void mpi3mr_pel_wait_post(struct mpi3mr_ioc *mrioc,
5079 struct mpi3mr_drv_cmd *drv_cmd)
5080{
5081 struct mpi3_pel_req_action_wait pel_wait;
5082
5083 mrioc->pel_abort_requested = false;
5084
5085 memset(&pel_wait, 0, sizeof(pel_wait));
5086 drv_cmd->state = MPI3MR_CMD_PENDING;
5087 drv_cmd->is_waiting = 0;
5088 drv_cmd->callback = mpi3mr_pel_wait_complete;
5089 drv_cmd->ioc_status = 0;
5090 drv_cmd->ioc_loginfo = 0;
5091 pel_wait.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_PEL_WAIT);
5092 pel_wait.function = MPI3_FUNCTION_PERSISTENT_EVENT_LOG;
5093 pel_wait.action = MPI3_PEL_ACTION_WAIT;
5094 pel_wait.starting_sequence_number = cpu_to_le32(mrioc->pel_newest_seqnum);
5095 pel_wait.locale = cpu_to_le16(mrioc->pel_locale);
5096 pel_wait.class = cpu_to_le16(mrioc->pel_class);
5097 pel_wait.wait_time = MPI3_PEL_WAITTIME_INFINITE_WAIT;
5098 dprint_bsg_info(mrioc, "sending pel_wait seqnum(%d), class(%d), locale(0x%08x)\n",
5099 mrioc->pel_newest_seqnum, mrioc->pel_class, mrioc->pel_locale);
5100
5101 if (mpi3mr_admin_request_post(mrioc, &pel_wait, sizeof(pel_wait), 0)) {
5102 dprint_bsg_err(mrioc,
5103 "Issuing PELWait: Admin post failed\n");
5104 drv_cmd->state = MPI3MR_CMD_NOTUSED;
5105 drv_cmd->callback = NULL;
5106 drv_cmd->retry_count = 0;
5107 mrioc->pel_enabled = false;
5108 }
5109}
5110
5111/**
5112 * mpi3mr_pel_get_seqnum_post - Issue PEL Get Sequence number
5113 * @mrioc: Adapter instance reference
5114 * @drv_cmd: Internal command tracker
5115 *
5116 * Issue PEL get sequence number MPI request through admin queue
5117 * and return.
5118 *
5119 * Return: 0 on success, non-zero on failure.
5120 */
5121int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc,
5122 struct mpi3mr_drv_cmd *drv_cmd)
5123{
5124 struct mpi3_pel_req_action_get_sequence_numbers pel_getseq_req;
5125 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
5126 int retval = 0;
5127
5128 memset(&pel_getseq_req, 0, sizeof(pel_getseq_req));
5129 mrioc->pel_cmds.state = MPI3MR_CMD_PENDING;
5130 mrioc->pel_cmds.is_waiting = 0;
5131 mrioc->pel_cmds.ioc_status = 0;
5132 mrioc->pel_cmds.ioc_loginfo = 0;
5133 mrioc->pel_cmds.callback = mpi3mr_pel_get_seqnum_complete;
5134 pel_getseq_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_PEL_WAIT);
5135 pel_getseq_req.function = MPI3_FUNCTION_PERSISTENT_EVENT_LOG;
5136 pel_getseq_req.action = MPI3_PEL_ACTION_GET_SEQNUM;
5137 mpi3mr_add_sg_single(&pel_getseq_req.sgl, sgl_flags,
5138 mrioc->pel_seqnum_sz, mrioc->pel_seqnum_dma);
5139
5140 retval = mpi3mr_admin_request_post(mrioc, &pel_getseq_req,
5141 sizeof(pel_getseq_req), 0);
5142 if (retval) {
5143 if (drv_cmd) {
5144 drv_cmd->state = MPI3MR_CMD_NOTUSED;
5145 drv_cmd->callback = NULL;
5146 drv_cmd->retry_count = 0;
5147 }
5148 mrioc->pel_enabled = false;
5149 }
5150
5151 return retval;
5152}
5153
5154/**
5155 * mpi3mr_pel_wait_complete - PELWait Completion callback
5156 * @mrioc: Adapter instance reference
5157 * @drv_cmd: Internal command tracker
5158 *
5159 * This is a callback handler for the PELWait request and
5160 * firmware completes a PELWait request when it is aborted or a
5161 * new PEL entry is available. This sends AEN to the application
5162 * and if the PELwait completion is not due to PELAbort then
5163 * this will send a request for new PEL Sequence number
5164 *
5165 * Return: Nothing.
5166 */
5167static void mpi3mr_pel_wait_complete(struct mpi3mr_ioc *mrioc,
5168 struct mpi3mr_drv_cmd *drv_cmd)
5169{
5170 struct mpi3_pel_reply *pel_reply = NULL;
5171 u16 ioc_status, pe_log_status;
5172 bool do_retry = false;
5173
5174 if (drv_cmd->state & MPI3MR_CMD_RESET)
5175 goto cleanup_drv_cmd;
5176
5177 ioc_status = drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK;
5178 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
5179 ioc_err(mrioc, "%s: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
5180 __func__, ioc_status, drv_cmd->ioc_loginfo);
5181 dprint_bsg_err(mrioc,
5182 "pel_wait: failed with ioc_status(0x%04x), log_info(0x%08x)\n",
5183 ioc_status, drv_cmd->ioc_loginfo);
5184 do_retry = true;
5185 }
5186
5187 if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID)
5188 pel_reply = (struct mpi3_pel_reply *)drv_cmd->reply;
5189
5190 if (!pel_reply) {
5191 dprint_bsg_err(mrioc,
5192 "pel_wait: failed due to no reply\n");
5193 goto out_failed;
5194 }
5195
5196 pe_log_status = le16_to_cpu(pel_reply->pe_log_status);
5197 if ((pe_log_status != MPI3_PEL_STATUS_SUCCESS) &&
5198 (pe_log_status != MPI3_PEL_STATUS_ABORTED)) {
5199 ioc_err(mrioc, "%s: Failed pe_log_status(0x%04x)\n",
5200 __func__, pe_log_status);
5201 dprint_bsg_err(mrioc,
5202 "pel_wait: failed due to pel_log_status(0x%04x)\n",
5203 pe_log_status);
5204 do_retry = true;
5205 }
5206
5207 if (do_retry) {
5208 if (drv_cmd->retry_count < MPI3MR_PEL_RETRY_COUNT) {
5209 drv_cmd->retry_count++;
5210 dprint_bsg_err(mrioc, "pel_wait: retrying(%d)\n",
5211 drv_cmd->retry_count);
5212 mpi3mr_pel_wait_post(mrioc, drv_cmd);
5213 return;
5214 }
5215 dprint_bsg_err(mrioc,
5216 "pel_wait: failed after all retries(%d)\n",
5217 drv_cmd->retry_count);
5218 goto out_failed;
5219 }
5220 atomic64_inc(&event_counter);
5221 if (!mrioc->pel_abort_requested) {
5222 mrioc->pel_cmds.retry_count = 0;
5223 mpi3mr_pel_get_seqnum_post(mrioc, &mrioc->pel_cmds);
5224 }
5225
5226 return;
5227out_failed:
5228 mrioc->pel_enabled = false;
5229cleanup_drv_cmd:
5230 drv_cmd->state = MPI3MR_CMD_NOTUSED;
5231 drv_cmd->callback = NULL;
5232 drv_cmd->retry_count = 0;
5233}
5234
5235/**
5236 * mpi3mr_pel_get_seqnum_complete - PELGetSeqNum Completion callback
5237 * @mrioc: Adapter instance reference
5238 * @drv_cmd: Internal command tracker
5239 *
5240 * This is a callback handler for the PEL get sequence number
5241 * request and a new PEL wait request will be issued to the
5242 * firmware from this
5243 *
5244 * Return: Nothing.
5245 */
5246void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc,
5247 struct mpi3mr_drv_cmd *drv_cmd)
5248{
5249 struct mpi3_pel_reply *pel_reply = NULL;
5250 struct mpi3_pel_seq *pel_seqnum_virt;
5251 u16 ioc_status;
5252 bool do_retry = false;
5253
5254 pel_seqnum_virt = (struct mpi3_pel_seq *)mrioc->pel_seqnum_virt;
5255
5256 if (drv_cmd->state & MPI3MR_CMD_RESET)
5257 goto cleanup_drv_cmd;
5258
5259 ioc_status = drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK;
5260 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
5261 dprint_bsg_err(mrioc,
5262 "pel_get_seqnum: failed with ioc_status(0x%04x), log_info(0x%08x)\n",
5263 ioc_status, drv_cmd->ioc_loginfo);
5264 do_retry = true;
5265 }
5266
5267 if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID)
5268 pel_reply = (struct mpi3_pel_reply *)drv_cmd->reply;
5269 if (!pel_reply) {
5270 dprint_bsg_err(mrioc,
5271 "pel_get_seqnum: failed due to no reply\n");
5272 goto out_failed;
5273 }
5274
5275 if (le16_to_cpu(pel_reply->pe_log_status) != MPI3_PEL_STATUS_SUCCESS) {
5276 dprint_bsg_err(mrioc,
5277 "pel_get_seqnum: failed due to pel_log_status(0x%04x)\n",
5278 le16_to_cpu(pel_reply->pe_log_status));
5279 do_retry = true;
5280 }
5281
5282 if (do_retry) {
5283 if (drv_cmd->retry_count < MPI3MR_PEL_RETRY_COUNT) {
5284 drv_cmd->retry_count++;
5285 dprint_bsg_err(mrioc,
5286 "pel_get_seqnum: retrying(%d)\n",
5287 drv_cmd->retry_count);
5288 mpi3mr_pel_get_seqnum_post(mrioc, drv_cmd);
5289 return;
5290 }
5291
5292 dprint_bsg_err(mrioc,
5293 "pel_get_seqnum: failed after all retries(%d)\n",
5294 drv_cmd->retry_count);
5295 goto out_failed;
5296 }
5297 mrioc->pel_newest_seqnum = le32_to_cpu(pel_seqnum_virt->newest) + 1;
5298 drv_cmd->retry_count = 0;
5299 mpi3mr_pel_wait_post(mrioc, drv_cmd);
5300
5301 return;
5302out_failed:
5303 mrioc->pel_enabled = false;
5304cleanup_drv_cmd:
5305 drv_cmd->state = MPI3MR_CMD_NOTUSED;
5306 drv_cmd->callback = NULL;
5307 drv_cmd->retry_count = 0;
5308}
5309
5310/**
5311 * mpi3mr_check_op_admin_proc -
5312 * @mrioc: Adapter instance reference
5313 *
5314 * Check if any of the operation reply queues
5315 * or the admin reply queue are currently in use.
5316 * If any queue is in use, this function waits for
5317 * a maximum of 10 seconds for them to become available.
5318 *
5319 * Return: 0 on success, non-zero on failure.
5320 */
5321static int mpi3mr_check_op_admin_proc(struct mpi3mr_ioc *mrioc)
5322{
5323
5324 u16 timeout = 10 * 10;
5325 u16 elapsed_time = 0;
5326 bool op_admin_in_use = false;
5327
5328 do {
5329 op_admin_in_use = false;
5330
5331 /* Check admin_reply queue first to exit early */
5332 if (atomic_read(&mrioc->admin_reply_q_in_use) == 1)
5333 op_admin_in_use = true;
5334 else {
5335 /* Check op_reply queues */
5336 int i;
5337
5338 for (i = 0; i < mrioc->num_queues; i++) {
5339 if (atomic_read(&mrioc->op_reply_qinfo[i].in_use) == 1) {
5340 op_admin_in_use = true;
5341 break;
5342 }
5343 }
5344 }
5345
5346 if (!op_admin_in_use)
5347 break;
5348
5349 msleep(100);
5350
5351 } while (++elapsed_time < timeout);
5352
5353 if (op_admin_in_use)
5354 return 1;
5355
5356 return 0;
5357}
5358
5359/**
5360 * mpi3mr_soft_reset_handler - Reset the controller
5361 * @mrioc: Adapter instance reference
5362 * @reset_reason: Reset reason code
5363 * @snapdump: Flag to generate snapdump in firmware or not
5364 *
5365 * This is an handler for recovering controller by issuing soft
5366 * reset are diag fault reset. This is a blocking function and
5367 * when one reset is executed if any other resets they will be
5368 * blocked. All BSG requests will be blocked during the reset. If
5369 * controller reset is successful then the controller will be
5370 * reinitalized, otherwise the controller will be marked as not
5371 * recoverable
5372 *
5373 * In snapdump bit is set, the controller is issued with diag
5374 * fault reset so that the firmware can create a snap dump and
5375 * post that the firmware will result in F000 fault and the
5376 * driver will issue soft reset to recover from that.
5377 *
5378 * Return: 0 on success, non-zero on failure.
5379 */
5380int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
5381 u16 reset_reason, u8 snapdump)
5382{
5383 int retval = 0, i;
5384 unsigned long flags;
5385 u32 host_diagnostic, timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
5386 union mpi3mr_trigger_data trigger_data;
5387
5388 /* Block the reset handler until diag save in progress*/
5389 dprint_reset(mrioc,
5390 "soft_reset_handler: check and block on diagsave_timeout(%d)\n",
5391 mrioc->diagsave_timeout);
5392 while (mrioc->diagsave_timeout)
5393 ssleep(1);
5394 /*
5395 * Block new resets until the currently executing one is finished and
5396 * return the status of the existing reset for all blocked resets
5397 */
5398 dprint_reset(mrioc, "soft_reset_handler: acquiring reset_mutex\n");
5399 if (!mutex_trylock(&mrioc->reset_mutex)) {
5400 ioc_info(mrioc,
5401 "controller reset triggered by %s is blocked due to another reset in progress\n",
5402 mpi3mr_reset_rc_name(reset_reason));
5403 do {
5404 ssleep(1);
5405 } while (mrioc->reset_in_progress == 1);
5406 ioc_info(mrioc,
5407 "returning previous reset result(%d) for the reset triggered by %s\n",
5408 mrioc->prev_reset_result,
5409 mpi3mr_reset_rc_name(reset_reason));
5410 return mrioc->prev_reset_result;
5411 }
5412 ioc_info(mrioc, "controller reset is triggered by %s\n",
5413 mpi3mr_reset_rc_name(reset_reason));
5414
5415 mrioc->device_refresh_on = 0;
5416 mrioc->reset_in_progress = 1;
5417 mrioc->stop_bsgs = 1;
5418 mrioc->prev_reset_result = -1;
5419 memset(&trigger_data, 0, sizeof(trigger_data));
5420
5421 if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) &&
5422 (reset_reason != MPI3MR_RESET_FROM_FIRMWARE) &&
5423 (reset_reason != MPI3MR_RESET_FROM_CIACTIV_FAULT)) {
5424 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
5425 MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET, NULL, 0);
5426 dprint_reset(mrioc,
5427 "soft_reset_handler: releasing host diagnostic buffers\n");
5428 mpi3mr_release_diag_bufs(mrioc, 0);
5429 for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
5430 mrioc->event_masks[i] = -1;
5431
5432 dprint_reset(mrioc, "soft_reset_handler: masking events\n");
5433 mpi3mr_issue_event_notification(mrioc);
5434 }
5435
5436 mpi3mr_wait_for_host_io(mrioc, MPI3MR_RESET_HOST_IOWAIT_TIMEOUT);
5437
5438 mpi3mr_ioc_disable_intr(mrioc);
5439 mrioc->io_admin_reset_sync = 1;
5440
5441 if (snapdump) {
5442 mpi3mr_set_diagsave(mrioc);
5443 retval = mpi3mr_issue_reset(mrioc,
5444 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
5445 if (!retval) {
5446 trigger_data.fault = (readl(&mrioc->sysif_regs->fault) &
5447 MPI3_SYSIF_FAULT_CODE_MASK);
5448 do {
5449 host_diagnostic =
5450 readl(&mrioc->sysif_regs->host_diagnostic);
5451 if (!(host_diagnostic &
5452 MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS))
5453 break;
5454 msleep(100);
5455 } while (--timeout);
5456 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
5457 MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0);
5458 }
5459 }
5460
5461 retval = mpi3mr_issue_reset(mrioc,
5462 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, reset_reason);
5463 if (retval) {
5464 ioc_err(mrioc, "Failed to issue soft reset to the ioc\n");
5465 goto out;
5466 }
5467
5468 retval = mpi3mr_check_op_admin_proc(mrioc);
5469 if (retval) {
5470 ioc_err(mrioc, "Soft reset failed due to an Admin or I/O queue polling\n"
5471 "thread still processing replies even after a 10 second\n"
5472 "timeout. Marking the controller as unrecoverable!\n");
5473
5474 goto out;
5475 }
5476
5477 if (mrioc->num_io_throttle_group !=
5478 mrioc->facts.max_io_throttle_group) {
5479 ioc_err(mrioc,
5480 "max io throttle group doesn't match old(%d), new(%d)\n",
5481 mrioc->num_io_throttle_group,
5482 mrioc->facts.max_io_throttle_group);
5483 retval = -EPERM;
5484 goto out;
5485 }
5486
5487 mpi3mr_flush_delayed_cmd_lists(mrioc);
5488 mpi3mr_flush_drv_cmds(mrioc);
5489 bitmap_clear(mrioc->devrem_bitmap, 0, MPI3MR_NUM_DEVRMCMD);
5490 bitmap_clear(mrioc->removepend_bitmap, 0,
5491 mrioc->dev_handle_bitmap_bits);
5492 bitmap_clear(mrioc->evtack_cmds_bitmap, 0, MPI3MR_NUM_EVTACKCMD);
5493 mpi3mr_flush_host_io(mrioc);
5494 mpi3mr_cleanup_fwevt_list(mrioc);
5495 mpi3mr_invalidate_devhandles(mrioc);
5496 mpi3mr_free_enclosure_list(mrioc);
5497
5498 if (mrioc->prepare_for_reset) {
5499 mrioc->prepare_for_reset = 0;
5500 mrioc->prepare_for_reset_timeout_counter = 0;
5501 }
5502 mpi3mr_memset_buffers(mrioc);
5503 mpi3mr_release_diag_bufs(mrioc, 1);
5504 mrioc->fw_release_trigger_active = false;
5505 mrioc->trace_release_trigger_active = false;
5506 mrioc->snapdump_trigger_active = false;
5507 mpi3mr_set_trigger_data_in_all_hdb(mrioc,
5508 MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET, NULL, 0);
5509
5510 dprint_reset(mrioc,
5511 "soft_reset_handler: reinitializing the controller\n");
5512 retval = mpi3mr_reinit_ioc(mrioc, 0);
5513 if (retval) {
5514 pr_err(IOCNAME "reinit after soft reset failed: reason %d\n",
5515 mrioc->name, reset_reason);
5516 goto out;
5517 }
5518 ssleep(MPI3MR_RESET_TOPOLOGY_SETTLE_TIME);
5519
5520out:
5521 if (!retval) {
5522 mrioc->diagsave_timeout = 0;
5523 mrioc->reset_in_progress = 0;
5524 mrioc->pel_abort_requested = 0;
5525 if (mrioc->pel_enabled) {
5526 mrioc->pel_cmds.retry_count = 0;
5527 mpi3mr_pel_wait_post(mrioc, &mrioc->pel_cmds);
5528 }
5529
5530 mrioc->device_refresh_on = 0;
5531
5532 mrioc->ts_update_counter = 0;
5533 spin_lock_irqsave(&mrioc->watchdog_lock, flags);
5534 if (mrioc->watchdog_work_q)
5535 queue_delayed_work(mrioc->watchdog_work_q,
5536 &mrioc->watchdog_work,
5537 msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
5538 spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
5539 mrioc->stop_bsgs = 0;
5540 if (mrioc->pel_enabled)
5541 atomic64_inc(&event_counter);
5542 } else {
5543 mpi3mr_issue_reset(mrioc,
5544 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
5545 mrioc->device_refresh_on = 0;
5546 mrioc->unrecoverable = 1;
5547 mrioc->reset_in_progress = 0;
5548 mrioc->stop_bsgs = 0;
5549 retval = -1;
5550 mpi3mr_flush_cmds_for_unrecovered_controller(mrioc);
5551 }
5552 mrioc->prev_reset_result = retval;
5553 mutex_unlock(&mrioc->reset_mutex);
5554 ioc_info(mrioc, "controller reset is %s\n",
5555 ((retval == 0) ? "successful" : "failed"));
5556 return retval;
5557}
5558
5559/**
5560 * mpi3mr_post_cfg_req - Issue config requests and wait
5561 * @mrioc: Adapter instance reference
5562 * @cfg_req: Configuration request
5563 * @timeout: Timeout in seconds
5564 * @ioc_status: Pointer to return ioc status
5565 *
5566 * A generic function for posting MPI3 configuration request to
5567 * the firmware. This blocks for the completion of request for
5568 * timeout seconds and if the request times out this function
5569 * faults the controller with proper reason code.
5570 *
5571 * On successful completion of the request this function returns
5572 * appropriate ioc status from the firmware back to the caller.
5573 *
5574 * Return: 0 on success, non-zero on failure.
5575 */
5576static int mpi3mr_post_cfg_req(struct mpi3mr_ioc *mrioc,
5577 struct mpi3_config_request *cfg_req, int timeout, u16 *ioc_status)
5578{
5579 int retval = 0;
5580
5581 mutex_lock(&mrioc->cfg_cmds.mutex);
5582 if (mrioc->cfg_cmds.state & MPI3MR_CMD_PENDING) {
5583 retval = -1;
5584 ioc_err(mrioc, "sending config request failed due to command in use\n");
5585 mutex_unlock(&mrioc->cfg_cmds.mutex);
5586 goto out;
5587 }
5588 mrioc->cfg_cmds.state = MPI3MR_CMD_PENDING;
5589 mrioc->cfg_cmds.is_waiting = 1;
5590 mrioc->cfg_cmds.callback = NULL;
5591 mrioc->cfg_cmds.ioc_status = 0;
5592 mrioc->cfg_cmds.ioc_loginfo = 0;
5593
5594 cfg_req->host_tag = cpu_to_le16(MPI3MR_HOSTTAG_CFG_CMDS);
5595 cfg_req->function = MPI3_FUNCTION_CONFIG;
5596
5597 init_completion(&mrioc->cfg_cmds.done);
5598 dprint_cfg_info(mrioc, "posting config request\n");
5599 if (mrioc->logging_level & MPI3_DEBUG_CFG_INFO)
5600 dprint_dump(cfg_req, sizeof(struct mpi3_config_request),
5601 "mpi3_cfg_req");
5602 retval = mpi3mr_admin_request_post(mrioc, cfg_req, sizeof(*cfg_req), 1);
5603 if (retval) {
5604 ioc_err(mrioc, "posting config request failed\n");
5605 goto out_unlock;
5606 }
5607 wait_for_completion_timeout(&mrioc->cfg_cmds.done, (timeout * HZ));
5608 if (!(mrioc->cfg_cmds.state & MPI3MR_CMD_COMPLETE)) {
5609 mpi3mr_check_rh_fault_ioc(mrioc,
5610 MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT);
5611 ioc_err(mrioc, "config request timed out\n");
5612 retval = -1;
5613 goto out_unlock;
5614 }
5615 *ioc_status = mrioc->cfg_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK;
5616 if ((*ioc_status) != MPI3_IOCSTATUS_SUCCESS)
5617 dprint_cfg_err(mrioc,
5618 "cfg_page request returned with ioc_status(0x%04x), log_info(0x%08x)\n",
5619 *ioc_status, mrioc->cfg_cmds.ioc_loginfo);
5620
5621out_unlock:
5622 mrioc->cfg_cmds.state = MPI3MR_CMD_NOTUSED;
5623 mutex_unlock(&mrioc->cfg_cmds.mutex);
5624
5625out:
5626 return retval;
5627}
5628
5629/**
5630 * mpi3mr_process_cfg_req - config page request processor
5631 * @mrioc: Adapter instance reference
5632 * @cfg_req: Configuration request
5633 * @cfg_hdr: Configuration page header
5634 * @timeout: Timeout in seconds
5635 * @ioc_status: Pointer to return ioc status
5636 * @cfg_buf: Memory pointer to copy config page or header
5637 * @cfg_buf_sz: Size of the memory to get config page or header
5638 *
5639 * This is handler for config page read, write and config page
5640 * header read operations.
5641 *
5642 * This function expects the cfg_req to be populated with page
5643 * type, page number, action for the header read and with page
5644 * address for all other operations.
5645 *
5646 * The cfg_hdr can be passed as null for reading required header
5647 * details for read/write pages the cfg_hdr should point valid
5648 * configuration page header.
5649 *
5650 * This allocates dmaable memory based on the size of the config
5651 * buffer and set the SGE of the cfg_req.
5652 *
5653 * For write actions, the config page data has to be passed in
5654 * the cfg_buf and size of the data has to be mentioned in the
5655 * cfg_buf_sz.
5656 *
5657 * For read/header actions, on successful completion of the
5658 * request with successful ioc_status the data will be copied
5659 * into the cfg_buf limited to a minimum of actual page size and
5660 * cfg_buf_sz
5661 *
5662 *
5663 * Return: 0 on success, non-zero on failure.
5664 */
5665static int mpi3mr_process_cfg_req(struct mpi3mr_ioc *mrioc,
5666 struct mpi3_config_request *cfg_req,
5667 struct mpi3_config_page_header *cfg_hdr, int timeout, u16 *ioc_status,
5668 void *cfg_buf, u32 cfg_buf_sz)
5669{
5670 struct dma_memory_desc mem_desc;
5671 int retval = -1;
5672 u8 invalid_action = 0;
5673 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
5674
5675 memset(&mem_desc, 0, sizeof(struct dma_memory_desc));
5676
5677 if (cfg_req->action == MPI3_CONFIG_ACTION_PAGE_HEADER)
5678 mem_desc.size = sizeof(struct mpi3_config_page_header);
5679 else {
5680 if (!cfg_hdr) {
5681 ioc_err(mrioc, "null config header passed for config action(%d), page_type(0x%02x), page_num(%d)\n",
5682 cfg_req->action, cfg_req->page_type,
5683 cfg_req->page_number);
5684 goto out;
5685 }
5686 switch (cfg_hdr->page_attribute & MPI3_CONFIG_PAGEATTR_MASK) {
5687 case MPI3_CONFIG_PAGEATTR_READ_ONLY:
5688 if (cfg_req->action
5689 != MPI3_CONFIG_ACTION_READ_CURRENT)
5690 invalid_action = 1;
5691 break;
5692 case MPI3_CONFIG_PAGEATTR_CHANGEABLE:
5693 if ((cfg_req->action ==
5694 MPI3_CONFIG_ACTION_READ_PERSISTENT) ||
5695 (cfg_req->action ==
5696 MPI3_CONFIG_ACTION_WRITE_PERSISTENT))
5697 invalid_action = 1;
5698 break;
5699 case MPI3_CONFIG_PAGEATTR_PERSISTENT:
5700 default:
5701 break;
5702 }
5703 if (invalid_action) {
5704 ioc_err(mrioc,
5705 "config action(%d) is not allowed for page_type(0x%02x), page_num(%d) with page_attribute(0x%02x)\n",
5706 cfg_req->action, cfg_req->page_type,
5707 cfg_req->page_number, cfg_hdr->page_attribute);
5708 goto out;
5709 }
5710 mem_desc.size = le16_to_cpu(cfg_hdr->page_length) * 4;
5711 cfg_req->page_length = cfg_hdr->page_length;
5712 cfg_req->page_version = cfg_hdr->page_version;
5713 }
5714
5715 mem_desc.addr = dma_alloc_coherent(&mrioc->pdev->dev,
5716 mem_desc.size, &mem_desc.dma_addr, GFP_KERNEL);
5717
5718 if (!mem_desc.addr)
5719 return retval;
5720
5721 mpi3mr_add_sg_single(&cfg_req->sgl, sgl_flags, mem_desc.size,
5722 mem_desc.dma_addr);
5723
5724 if ((cfg_req->action == MPI3_CONFIG_ACTION_WRITE_PERSISTENT) ||
5725 (cfg_req->action == MPI3_CONFIG_ACTION_WRITE_CURRENT)) {
5726 memcpy(mem_desc.addr, cfg_buf, min_t(u16, mem_desc.size,
5727 cfg_buf_sz));
5728 dprint_cfg_info(mrioc, "config buffer to be written\n");
5729 if (mrioc->logging_level & MPI3_DEBUG_CFG_INFO)
5730 dprint_dump(mem_desc.addr, mem_desc.size, "cfg_buf");
5731 }
5732
5733 if (mpi3mr_post_cfg_req(mrioc, cfg_req, timeout, ioc_status))
5734 goto out;
5735
5736 retval = 0;
5737 if ((*ioc_status == MPI3_IOCSTATUS_SUCCESS) &&
5738 (cfg_req->action != MPI3_CONFIG_ACTION_WRITE_PERSISTENT) &&
5739 (cfg_req->action != MPI3_CONFIG_ACTION_WRITE_CURRENT)) {
5740 memcpy(cfg_buf, mem_desc.addr, min_t(u16, mem_desc.size,
5741 cfg_buf_sz));
5742 dprint_cfg_info(mrioc, "config buffer read\n");
5743 if (mrioc->logging_level & MPI3_DEBUG_CFG_INFO)
5744 dprint_dump(mem_desc.addr, mem_desc.size, "cfg_buf");
5745 }
5746
5747out:
5748 if (mem_desc.addr) {
5749 dma_free_coherent(&mrioc->pdev->dev, mem_desc.size,
5750 mem_desc.addr, mem_desc.dma_addr);
5751 mem_desc.addr = NULL;
5752 }
5753
5754 return retval;
5755}
5756
5757/**
5758 * mpi3mr_cfg_get_dev_pg0 - Read current device page0
5759 * @mrioc: Adapter instance reference
5760 * @ioc_status: Pointer to return ioc status
5761 * @dev_pg0: Pointer to return device page 0
5762 * @pg_sz: Size of the memory allocated to the page pointer
5763 * @form: The form to be used for addressing the page
5764 * @form_spec: Form specific information like device handle
5765 *
5766 * This is handler for config page read for a specific device
5767 * page0. The ioc_status has the controller returned ioc_status.
5768 * This routine doesn't check ioc_status to decide whether the
5769 * page read is success or not and it is the callers
5770 * responsibility.
5771 *
5772 * Return: 0 on success, non-zero on failure.
5773 */
5774int mpi3mr_cfg_get_dev_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
5775 struct mpi3_device_page0 *dev_pg0, u16 pg_sz, u32 form, u32 form_spec)
5776{
5777 struct mpi3_config_page_header cfg_hdr;
5778 struct mpi3_config_request cfg_req;
5779 u32 page_address;
5780
5781 memset(dev_pg0, 0, pg_sz);
5782 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
5783 memset(&cfg_req, 0, sizeof(cfg_req));
5784
5785 cfg_req.function = MPI3_FUNCTION_CONFIG;
5786 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
5787 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_DEVICE;
5788 cfg_req.page_number = 0;
5789 cfg_req.page_address = 0;
5790
5791 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
5792 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
5793 ioc_err(mrioc, "device page0 header read failed\n");
5794 goto out_failed;
5795 }
5796 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) {
5797 ioc_err(mrioc, "device page0 header read failed with ioc_status(0x%04x)\n",
5798 *ioc_status);
5799 goto out_failed;
5800 }
5801 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
5802 page_address = ((form & MPI3_DEVICE_PGAD_FORM_MASK) |
5803 (form_spec & MPI3_DEVICE_PGAD_HANDLE_MASK));
5804 cfg_req.page_address = cpu_to_le32(page_address);
5805 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
5806 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, dev_pg0, pg_sz)) {
5807 ioc_err(mrioc, "device page0 read failed\n");
5808 goto out_failed;
5809 }
5810 return 0;
5811out_failed:
5812 return -1;
5813}
5814
5815
5816/**
5817 * mpi3mr_cfg_get_sas_phy_pg0 - Read current SAS Phy page0
5818 * @mrioc: Adapter instance reference
5819 * @ioc_status: Pointer to return ioc status
5820 * @phy_pg0: Pointer to return SAS Phy page 0
5821 * @pg_sz: Size of the memory allocated to the page pointer
5822 * @form: The form to be used for addressing the page
5823 * @form_spec: Form specific information like phy number
5824 *
5825 * This is handler for config page read for a specific SAS Phy
5826 * page0. The ioc_status has the controller returned ioc_status.
5827 * This routine doesn't check ioc_status to decide whether the
5828 * page read is success or not and it is the callers
5829 * responsibility.
5830 *
5831 * Return: 0 on success, non-zero on failure.
5832 */
5833int mpi3mr_cfg_get_sas_phy_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
5834 struct mpi3_sas_phy_page0 *phy_pg0, u16 pg_sz, u32 form,
5835 u32 form_spec)
5836{
5837 struct mpi3_config_page_header cfg_hdr;
5838 struct mpi3_config_request cfg_req;
5839 u32 page_address;
5840
5841 memset(phy_pg0, 0, pg_sz);
5842 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
5843 memset(&cfg_req, 0, sizeof(cfg_req));
5844
5845 cfg_req.function = MPI3_FUNCTION_CONFIG;
5846 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
5847 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_PHY;
5848 cfg_req.page_number = 0;
5849 cfg_req.page_address = 0;
5850
5851 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
5852 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
5853 ioc_err(mrioc, "sas phy page0 header read failed\n");
5854 goto out_failed;
5855 }
5856 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) {
5857 ioc_err(mrioc, "sas phy page0 header read failed with ioc_status(0x%04x)\n",
5858 *ioc_status);
5859 goto out_failed;
5860 }
5861 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
5862 page_address = ((form & MPI3_SAS_PHY_PGAD_FORM_MASK) |
5863 (form_spec & MPI3_SAS_PHY_PGAD_PHY_NUMBER_MASK));
5864 cfg_req.page_address = cpu_to_le32(page_address);
5865 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
5866 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, phy_pg0, pg_sz)) {
5867 ioc_err(mrioc, "sas phy page0 read failed\n");
5868 goto out_failed;
5869 }
5870 return 0;
5871out_failed:
5872 return -1;
5873}
5874
5875/**
5876 * mpi3mr_cfg_get_sas_phy_pg1 - Read current SAS Phy page1
5877 * @mrioc: Adapter instance reference
5878 * @ioc_status: Pointer to return ioc status
5879 * @phy_pg1: Pointer to return SAS Phy page 1
5880 * @pg_sz: Size of the memory allocated to the page pointer
5881 * @form: The form to be used for addressing the page
5882 * @form_spec: Form specific information like phy number
5883 *
5884 * This is handler for config page read for a specific SAS Phy
5885 * page1. The ioc_status has the controller returned ioc_status.
5886 * This routine doesn't check ioc_status to decide whether the
5887 * page read is success or not and it is the callers
5888 * responsibility.
5889 *
5890 * Return: 0 on success, non-zero on failure.
5891 */
5892int mpi3mr_cfg_get_sas_phy_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
5893 struct mpi3_sas_phy_page1 *phy_pg1, u16 pg_sz, u32 form,
5894 u32 form_spec)
5895{
5896 struct mpi3_config_page_header cfg_hdr;
5897 struct mpi3_config_request cfg_req;
5898 u32 page_address;
5899
5900 memset(phy_pg1, 0, pg_sz);
5901 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
5902 memset(&cfg_req, 0, sizeof(cfg_req));
5903
5904 cfg_req.function = MPI3_FUNCTION_CONFIG;
5905 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
5906 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_PHY;
5907 cfg_req.page_number = 1;
5908 cfg_req.page_address = 0;
5909
5910 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
5911 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
5912 ioc_err(mrioc, "sas phy page1 header read failed\n");
5913 goto out_failed;
5914 }
5915 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) {
5916 ioc_err(mrioc, "sas phy page1 header read failed with ioc_status(0x%04x)\n",
5917 *ioc_status);
5918 goto out_failed;
5919 }
5920 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
5921 page_address = ((form & MPI3_SAS_PHY_PGAD_FORM_MASK) |
5922 (form_spec & MPI3_SAS_PHY_PGAD_PHY_NUMBER_MASK));
5923 cfg_req.page_address = cpu_to_le32(page_address);
5924 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
5925 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, phy_pg1, pg_sz)) {
5926 ioc_err(mrioc, "sas phy page1 read failed\n");
5927 goto out_failed;
5928 }
5929 return 0;
5930out_failed:
5931 return -1;
5932}
5933
5934
5935/**
5936 * mpi3mr_cfg_get_sas_exp_pg0 - Read current SAS Expander page0
5937 * @mrioc: Adapter instance reference
5938 * @ioc_status: Pointer to return ioc status
5939 * @exp_pg0: Pointer to return SAS Expander page 0
5940 * @pg_sz: Size of the memory allocated to the page pointer
5941 * @form: The form to be used for addressing the page
5942 * @form_spec: Form specific information like device handle
5943 *
5944 * This is handler for config page read for a specific SAS
5945 * Expander page0. The ioc_status has the controller returned
5946 * ioc_status. This routine doesn't check ioc_status to decide
5947 * whether the page read is success or not and it is the callers
5948 * responsibility.
5949 *
5950 * Return: 0 on success, non-zero on failure.
5951 */
5952int mpi3mr_cfg_get_sas_exp_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
5953 struct mpi3_sas_expander_page0 *exp_pg0, u16 pg_sz, u32 form,
5954 u32 form_spec)
5955{
5956 struct mpi3_config_page_header cfg_hdr;
5957 struct mpi3_config_request cfg_req;
5958 u32 page_address;
5959
5960 memset(exp_pg0, 0, pg_sz);
5961 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
5962 memset(&cfg_req, 0, sizeof(cfg_req));
5963
5964 cfg_req.function = MPI3_FUNCTION_CONFIG;
5965 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
5966 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_EXPANDER;
5967 cfg_req.page_number = 0;
5968 cfg_req.page_address = 0;
5969
5970 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
5971 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
5972 ioc_err(mrioc, "expander page0 header read failed\n");
5973 goto out_failed;
5974 }
5975 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) {
5976 ioc_err(mrioc, "expander page0 header read failed with ioc_status(0x%04x)\n",
5977 *ioc_status);
5978 goto out_failed;
5979 }
5980 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
5981 page_address = ((form & MPI3_SAS_EXPAND_PGAD_FORM_MASK) |
5982 (form_spec & (MPI3_SAS_EXPAND_PGAD_PHYNUM_MASK |
5983 MPI3_SAS_EXPAND_PGAD_HANDLE_MASK)));
5984 cfg_req.page_address = cpu_to_le32(page_address);
5985 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
5986 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, exp_pg0, pg_sz)) {
5987 ioc_err(mrioc, "expander page0 read failed\n");
5988 goto out_failed;
5989 }
5990 return 0;
5991out_failed:
5992 return -1;
5993}
5994
5995/**
5996 * mpi3mr_cfg_get_sas_exp_pg1 - Read current SAS Expander page1
5997 * @mrioc: Adapter instance reference
5998 * @ioc_status: Pointer to return ioc status
5999 * @exp_pg1: Pointer to return SAS Expander page 1
6000 * @pg_sz: Size of the memory allocated to the page pointer
6001 * @form: The form to be used for addressing the page
6002 * @form_spec: Form specific information like phy number
6003 *
6004 * This is handler for config page read for a specific SAS
6005 * Expander page1. The ioc_status has the controller returned
6006 * ioc_status. This routine doesn't check ioc_status to decide
6007 * whether the page read is success or not and it is the callers
6008 * responsibility.
6009 *
6010 * Return: 0 on success, non-zero on failure.
6011 */
6012int mpi3mr_cfg_get_sas_exp_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
6013 struct mpi3_sas_expander_page1 *exp_pg1, u16 pg_sz, u32 form,
6014 u32 form_spec)
6015{
6016 struct mpi3_config_page_header cfg_hdr;
6017 struct mpi3_config_request cfg_req;
6018 u32 page_address;
6019
6020 memset(exp_pg1, 0, pg_sz);
6021 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6022 memset(&cfg_req, 0, sizeof(cfg_req));
6023
6024 cfg_req.function = MPI3_FUNCTION_CONFIG;
6025 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6026 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_EXPANDER;
6027 cfg_req.page_number = 1;
6028 cfg_req.page_address = 0;
6029
6030 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6031 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6032 ioc_err(mrioc, "expander page1 header read failed\n");
6033 goto out_failed;
6034 }
6035 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6036 ioc_err(mrioc, "expander page1 header read failed with ioc_status(0x%04x)\n",
6037 *ioc_status);
6038 goto out_failed;
6039 }
6040 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
6041 page_address = ((form & MPI3_SAS_EXPAND_PGAD_FORM_MASK) |
6042 (form_spec & (MPI3_SAS_EXPAND_PGAD_PHYNUM_MASK |
6043 MPI3_SAS_EXPAND_PGAD_HANDLE_MASK)));
6044 cfg_req.page_address = cpu_to_le32(page_address);
6045 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6046 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, exp_pg1, pg_sz)) {
6047 ioc_err(mrioc, "expander page1 read failed\n");
6048 goto out_failed;
6049 }
6050 return 0;
6051out_failed:
6052 return -1;
6053}
6054
6055/**
6056 * mpi3mr_cfg_get_enclosure_pg0 - Read current Enclosure page0
6057 * @mrioc: Adapter instance reference
6058 * @ioc_status: Pointer to return ioc status
6059 * @encl_pg0: Pointer to return Enclosure page 0
6060 * @pg_sz: Size of the memory allocated to the page pointer
6061 * @form: The form to be used for addressing the page
6062 * @form_spec: Form specific information like device handle
6063 *
6064 * This is handler for config page read for a specific Enclosure
6065 * page0. The ioc_status has the controller returned ioc_status.
6066 * This routine doesn't check ioc_status to decide whether the
6067 * page read is success or not and it is the callers
6068 * responsibility.
6069 *
6070 * Return: 0 on success, non-zero on failure.
6071 */
6072int mpi3mr_cfg_get_enclosure_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
6073 struct mpi3_enclosure_page0 *encl_pg0, u16 pg_sz, u32 form,
6074 u32 form_spec)
6075{
6076 struct mpi3_config_page_header cfg_hdr;
6077 struct mpi3_config_request cfg_req;
6078 u32 page_address;
6079
6080 memset(encl_pg0, 0, pg_sz);
6081 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6082 memset(&cfg_req, 0, sizeof(cfg_req));
6083
6084 cfg_req.function = MPI3_FUNCTION_CONFIG;
6085 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6086 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_ENCLOSURE;
6087 cfg_req.page_number = 0;
6088 cfg_req.page_address = 0;
6089
6090 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6091 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6092 ioc_err(mrioc, "enclosure page0 header read failed\n");
6093 goto out_failed;
6094 }
6095 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6096 ioc_err(mrioc, "enclosure page0 header read failed with ioc_status(0x%04x)\n",
6097 *ioc_status);
6098 goto out_failed;
6099 }
6100 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
6101 page_address = ((form & MPI3_ENCLOS_PGAD_FORM_MASK) |
6102 (form_spec & MPI3_ENCLOS_PGAD_HANDLE_MASK));
6103 cfg_req.page_address = cpu_to_le32(page_address);
6104 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6105 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, encl_pg0, pg_sz)) {
6106 ioc_err(mrioc, "enclosure page0 read failed\n");
6107 goto out_failed;
6108 }
6109 return 0;
6110out_failed:
6111 return -1;
6112}
6113
6114
6115/**
6116 * mpi3mr_cfg_get_sas_io_unit_pg0 - Read current SASIOUnit page0
6117 * @mrioc: Adapter instance reference
6118 * @sas_io_unit_pg0: Pointer to return SAS IO Unit page 0
6119 * @pg_sz: Size of the memory allocated to the page pointer
6120 *
6121 * This is handler for config page read for the SAS IO Unit
6122 * page0. This routine checks ioc_status to decide whether the
6123 * page read is success or not.
6124 *
6125 * Return: 0 on success, non-zero on failure.
6126 */
6127int mpi3mr_cfg_get_sas_io_unit_pg0(struct mpi3mr_ioc *mrioc,
6128 struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0, u16 pg_sz)
6129{
6130 struct mpi3_config_page_header cfg_hdr;
6131 struct mpi3_config_request cfg_req;
6132 u16 ioc_status = 0;
6133
6134 memset(sas_io_unit_pg0, 0, pg_sz);
6135 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6136 memset(&cfg_req, 0, sizeof(cfg_req));
6137
6138 cfg_req.function = MPI3_FUNCTION_CONFIG;
6139 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6140 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_IO_UNIT;
6141 cfg_req.page_number = 0;
6142 cfg_req.page_address = 0;
6143
6144 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6145 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6146 ioc_err(mrioc, "sas io unit page0 header read failed\n");
6147 goto out_failed;
6148 }
6149 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6150 ioc_err(mrioc, "sas io unit page0 header read failed with ioc_status(0x%04x)\n",
6151 ioc_status);
6152 goto out_failed;
6153 }
6154 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
6155
6156 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6157 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg0, pg_sz)) {
6158 ioc_err(mrioc, "sas io unit page0 read failed\n");
6159 goto out_failed;
6160 }
6161 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6162 ioc_err(mrioc, "sas io unit page0 read failed with ioc_status(0x%04x)\n",
6163 ioc_status);
6164 goto out_failed;
6165 }
6166 return 0;
6167out_failed:
6168 return -1;
6169}
6170
6171/**
6172 * mpi3mr_cfg_get_sas_io_unit_pg1 - Read current SASIOUnit page1
6173 * @mrioc: Adapter instance reference
6174 * @sas_io_unit_pg1: Pointer to return SAS IO Unit page 1
6175 * @pg_sz: Size of the memory allocated to the page pointer
6176 *
6177 * This is handler for config page read for the SAS IO Unit
6178 * page1. This routine checks ioc_status to decide whether the
6179 * page read is success or not.
6180 *
6181 * Return: 0 on success, non-zero on failure.
6182 */
6183int mpi3mr_cfg_get_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
6184 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz)
6185{
6186 struct mpi3_config_page_header cfg_hdr;
6187 struct mpi3_config_request cfg_req;
6188 u16 ioc_status = 0;
6189
6190 memset(sas_io_unit_pg1, 0, pg_sz);
6191 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6192 memset(&cfg_req, 0, sizeof(cfg_req));
6193
6194 cfg_req.function = MPI3_FUNCTION_CONFIG;
6195 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6196 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_IO_UNIT;
6197 cfg_req.page_number = 1;
6198 cfg_req.page_address = 0;
6199
6200 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6201 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6202 ioc_err(mrioc, "sas io unit page1 header read failed\n");
6203 goto out_failed;
6204 }
6205 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6206 ioc_err(mrioc, "sas io unit page1 header read failed with ioc_status(0x%04x)\n",
6207 ioc_status);
6208 goto out_failed;
6209 }
6210 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
6211
6212 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6213 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg1, pg_sz)) {
6214 ioc_err(mrioc, "sas io unit page1 read failed\n");
6215 goto out_failed;
6216 }
6217 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6218 ioc_err(mrioc, "sas io unit page1 read failed with ioc_status(0x%04x)\n",
6219 ioc_status);
6220 goto out_failed;
6221 }
6222 return 0;
6223out_failed:
6224 return -1;
6225}
6226
6227/**
6228 * mpi3mr_cfg_set_sas_io_unit_pg1 - Write SASIOUnit page1
6229 * @mrioc: Adapter instance reference
6230 * @sas_io_unit_pg1: Pointer to the SAS IO Unit page 1 to write
6231 * @pg_sz: Size of the memory allocated to the page pointer
6232 *
6233 * This is handler for config page write for the SAS IO Unit
6234 * page1. This routine checks ioc_status to decide whether the
6235 * page read is success or not. This will modify both current
6236 * and persistent page.
6237 *
6238 * Return: 0 on success, non-zero on failure.
6239 */
6240int mpi3mr_cfg_set_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
6241 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz)
6242{
6243 struct mpi3_config_page_header cfg_hdr;
6244 struct mpi3_config_request cfg_req;
6245 u16 ioc_status = 0;
6246
6247 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6248 memset(&cfg_req, 0, sizeof(cfg_req));
6249
6250 cfg_req.function = MPI3_FUNCTION_CONFIG;
6251 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6252 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_IO_UNIT;
6253 cfg_req.page_number = 1;
6254 cfg_req.page_address = 0;
6255
6256 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6257 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6258 ioc_err(mrioc, "sas io unit page1 header read failed\n");
6259 goto out_failed;
6260 }
6261 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6262 ioc_err(mrioc, "sas io unit page1 header read failed with ioc_status(0x%04x)\n",
6263 ioc_status);
6264 goto out_failed;
6265 }
6266 cfg_req.action = MPI3_CONFIG_ACTION_WRITE_CURRENT;
6267
6268 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6269 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg1, pg_sz)) {
6270 ioc_err(mrioc, "sas io unit page1 write current failed\n");
6271 goto out_failed;
6272 }
6273 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6274 ioc_err(mrioc, "sas io unit page1 write current failed with ioc_status(0x%04x)\n",
6275 ioc_status);
6276 goto out_failed;
6277 }
6278
6279 cfg_req.action = MPI3_CONFIG_ACTION_WRITE_PERSISTENT;
6280
6281 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6282 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg1, pg_sz)) {
6283 ioc_err(mrioc, "sas io unit page1 write persistent failed\n");
6284 goto out_failed;
6285 }
6286 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6287 ioc_err(mrioc, "sas io unit page1 write persistent failed with ioc_status(0x%04x)\n",
6288 ioc_status);
6289 goto out_failed;
6290 }
6291 return 0;
6292out_failed:
6293 return -1;
6294}
6295
6296/**
6297 * mpi3mr_cfg_get_driver_pg1 - Read current Driver page1
6298 * @mrioc: Adapter instance reference
6299 * @driver_pg1: Pointer to return Driver page 1
6300 * @pg_sz: Size of the memory allocated to the page pointer
6301 *
6302 * This is handler for config page read for the Driver page1.
6303 * This routine checks ioc_status to decide whether the page
6304 * read is success or not.
6305 *
6306 * Return: 0 on success, non-zero on failure.
6307 */
6308int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc,
6309 struct mpi3_driver_page1 *driver_pg1, u16 pg_sz)
6310{
6311 struct mpi3_config_page_header cfg_hdr;
6312 struct mpi3_config_request cfg_req;
6313 u16 ioc_status = 0;
6314
6315 memset(driver_pg1, 0, pg_sz);
6316 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6317 memset(&cfg_req, 0, sizeof(cfg_req));
6318
6319 cfg_req.function = MPI3_FUNCTION_CONFIG;
6320 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6321 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_DRIVER;
6322 cfg_req.page_number = 1;
6323 cfg_req.page_address = 0;
6324
6325 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6326 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6327 ioc_err(mrioc, "driver page1 header read failed\n");
6328 goto out_failed;
6329 }
6330 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6331 ioc_err(mrioc, "driver page1 header read failed with ioc_status(0x%04x)\n",
6332 ioc_status);
6333 goto out_failed;
6334 }
6335 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT;
6336
6337 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6338 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, driver_pg1, pg_sz)) {
6339 ioc_err(mrioc, "driver page1 read failed\n");
6340 goto out_failed;
6341 }
6342 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6343 ioc_err(mrioc, "driver page1 read failed with ioc_status(0x%04x)\n",
6344 ioc_status);
6345 goto out_failed;
6346 }
6347 return 0;
6348out_failed:
6349 return -1;
6350}
6351
6352/**
6353 * mpi3mr_cfg_get_driver_pg2 - Read current driver page2
6354 * @mrioc: Adapter instance reference
6355 * @driver_pg2: Pointer to return driver page 2
6356 * @pg_sz: Size of the memory allocated to the page pointer
6357 * @page_action: Page action
6358 *
6359 * This is handler for config page read for the driver page2.
6360 * This routine checks ioc_status to decide whether the page
6361 * read is success or not.
6362 *
6363 * Return: 0 on success, non-zero on failure.
6364 */
6365int mpi3mr_cfg_get_driver_pg2(struct mpi3mr_ioc *mrioc,
6366 struct mpi3_driver_page2 *driver_pg2, u16 pg_sz, u8 page_action)
6367{
6368 struct mpi3_config_page_header cfg_hdr;
6369 struct mpi3_config_request cfg_req;
6370 u16 ioc_status = 0;
6371
6372 memset(driver_pg2, 0, pg_sz);
6373 memset(&cfg_hdr, 0, sizeof(cfg_hdr));
6374 memset(&cfg_req, 0, sizeof(cfg_req));
6375
6376 cfg_req.function = MPI3_FUNCTION_CONFIG;
6377 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER;
6378 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_DRIVER;
6379 cfg_req.page_number = 2;
6380 cfg_req.page_address = 0;
6381 cfg_req.page_version = MPI3_DRIVER2_PAGEVERSION;
6382
6383 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL,
6384 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) {
6385 ioc_err(mrioc, "driver page2 header read failed\n");
6386 goto out_failed;
6387 }
6388 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6389 ioc_err(mrioc, "driver page2 header read failed with\n"
6390 "ioc_status(0x%04x)\n",
6391 ioc_status);
6392 goto out_failed;
6393 }
6394 cfg_req.action = page_action;
6395
6396 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr,
6397 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, driver_pg2, pg_sz)) {
6398 ioc_err(mrioc, "driver page2 read failed\n");
6399 goto out_failed;
6400 }
6401 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
6402 ioc_err(mrioc, "driver page2 read failed with\n"
6403 "ioc_status(0x%04x)\n",
6404 ioc_status);
6405 goto out_failed;
6406 }
6407 return 0;
6408out_failed:
6409 return -1;
6410}
6411
Linux 6.x block layer and io_uring tree(s)