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 13 static int 14 mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, u16 reset_reason); 15 static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc); 16 static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc, 17 struct mpi3_ioc_facts_data *facts_data); 18 static void mpi3mr_pel_wait_complete(struct mpi3mr_ioc *mrioc, 19 struct mpi3mr_drv_cmd *drv_cmd); 20 static int mpi3mr_check_op_admin_proc(struct mpi3mr_ioc *mrioc); 21 static int poll_queues; 22 module_param(poll_queues, int, 0444); 23 MODULE_PARM_DESC(poll_queues, "Number of queues for io_uring poll mode. (Range 1 - 126)"); 24 static bool threaded_isr_poll = true; 25 module_param(threaded_isr_poll, bool, 0444); 26 MODULE_PARM_DESC(threaded_isr_poll, 27 "Enablement of IRQ polling thread (default=true)"); 28 29 #if defined(writeq) && defined(CONFIG_64BIT) 30 static inline void mpi3mr_writeq(__u64 b, void __iomem *addr, 31 spinlock_t *write_queue_lock) 32 { 33 writeq(b, addr); 34 } 35 #else 36 static inline void mpi3mr_writeq(__u64 b, void __iomem *addr, 37 spinlock_t *write_queue_lock) 38 { 39 __u64 data_out = b; 40 unsigned long flags; 41 42 spin_lock_irqsave(write_queue_lock, flags); 43 writel((u32)(data_out), addr); 44 writel((u32)(data_out >> 32), (addr + 4)); 45 spin_unlock_irqrestore(write_queue_lock, flags); 46 } 47 #endif 48 49 static inline bool 50 mpi3mr_check_req_qfull(struct op_req_qinfo *op_req_q) 51 { 52 u16 pi, ci, max_entries; 53 bool is_qfull = false; 54 55 pi = op_req_q->pi; 56 ci = READ_ONCE(op_req_q->ci); 57 max_entries = op_req_q->num_requests; 58 59 if ((ci == (pi + 1)) || ((!ci) && (pi == (max_entries - 1)))) 60 is_qfull = true; 61 62 return is_qfull; 63 } 64 65 static void mpi3mr_sync_irqs(struct mpi3mr_ioc *mrioc) 66 { 67 u16 i, max_vectors; 68 69 max_vectors = mrioc->intr_info_count; 70 71 for (i = 0; i < max_vectors; i++) 72 synchronize_irq(pci_irq_vector(mrioc->pdev, i)); 73 } 74 75 void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc) 76 { 77 mrioc->intr_enabled = 0; 78 mpi3mr_sync_irqs(mrioc); 79 } 80 81 void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc) 82 { 83 mrioc->intr_enabled = 1; 84 } 85 86 static void mpi3mr_cleanup_isr(struct mpi3mr_ioc *mrioc) 87 { 88 u16 i; 89 90 mpi3mr_ioc_disable_intr(mrioc); 91 92 if (!mrioc->intr_info) 93 return; 94 95 for (i = 0; i < mrioc->intr_info_count; i++) 96 free_irq(pci_irq_vector(mrioc->pdev, i), 97 (mrioc->intr_info + i)); 98 99 kfree(mrioc->intr_info); 100 mrioc->intr_info = NULL; 101 mrioc->intr_info_count = 0; 102 mrioc->is_intr_info_set = false; 103 pci_free_irq_vectors(mrioc->pdev); 104 } 105 106 void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length, 107 dma_addr_t dma_addr) 108 { 109 struct mpi3_sge_common *sgel = paddr; 110 111 sgel->flags = flags; 112 sgel->length = cpu_to_le32(length); 113 sgel->address = cpu_to_le64(dma_addr); 114 } 115 116 void mpi3mr_build_zero_len_sge(void *paddr) 117 { 118 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST; 119 120 mpi3mr_add_sg_single(paddr, sgl_flags, 0, -1); 121 } 122 123 void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc, 124 dma_addr_t phys_addr) 125 { 126 if (!phys_addr) 127 return NULL; 128 129 if ((phys_addr < mrioc->reply_buf_dma) || 130 (phys_addr > mrioc->reply_buf_dma_max_address)) 131 return NULL; 132 133 return mrioc->reply_buf + (phys_addr - mrioc->reply_buf_dma); 134 } 135 136 void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc, 137 dma_addr_t phys_addr) 138 { 139 if (!phys_addr) 140 return NULL; 141 142 return mrioc->sense_buf + (phys_addr - mrioc->sense_buf_dma); 143 } 144 145 static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc, 146 u64 reply_dma) 147 { 148 u32 old_idx = 0; 149 unsigned long flags; 150 151 spin_lock_irqsave(&mrioc->reply_free_queue_lock, flags); 152 old_idx = mrioc->reply_free_queue_host_index; 153 mrioc->reply_free_queue_host_index = ( 154 (mrioc->reply_free_queue_host_index == 155 (mrioc->reply_free_qsz - 1)) ? 0 : 156 (mrioc->reply_free_queue_host_index + 1)); 157 mrioc->reply_free_q[old_idx] = cpu_to_le64(reply_dma); 158 writel(mrioc->reply_free_queue_host_index, 159 &mrioc->sysif_regs->reply_free_host_index); 160 spin_unlock_irqrestore(&mrioc->reply_free_queue_lock, flags); 161 } 162 163 void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc, 164 u64 sense_buf_dma) 165 { 166 u32 old_idx = 0; 167 unsigned long flags; 168 169 spin_lock_irqsave(&mrioc->sbq_lock, flags); 170 old_idx = mrioc->sbq_host_index; 171 mrioc->sbq_host_index = ((mrioc->sbq_host_index == 172 (mrioc->sense_buf_q_sz - 1)) ? 0 : 173 (mrioc->sbq_host_index + 1)); 174 mrioc->sense_buf_q[old_idx] = cpu_to_le64(sense_buf_dma); 175 writel(mrioc->sbq_host_index, 176 &mrioc->sysif_regs->sense_buffer_free_host_index); 177 spin_unlock_irqrestore(&mrioc->sbq_lock, flags); 178 } 179 180 static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc, 181 struct mpi3_event_notification_reply *event_reply) 182 { 183 char *desc = NULL; 184 u16 event; 185 186 if (!(mrioc->logging_level & MPI3_DEBUG_EVENT)) 187 return; 188 189 event = event_reply->event; 190 191 switch (event) { 192 case MPI3_EVENT_LOG_DATA: 193 desc = "Log Data"; 194 break; 195 case MPI3_EVENT_CHANGE: 196 desc = "Event Change"; 197 break; 198 case MPI3_EVENT_GPIO_INTERRUPT: 199 desc = "GPIO Interrupt"; 200 break; 201 case MPI3_EVENT_CABLE_MGMT: 202 desc = "Cable Management"; 203 break; 204 case MPI3_EVENT_ENERGY_PACK_CHANGE: 205 desc = "Energy Pack Change"; 206 break; 207 case MPI3_EVENT_DEVICE_ADDED: 208 { 209 struct mpi3_device_page0 *event_data = 210 (struct mpi3_device_page0 *)event_reply->event_data; 211 ioc_info(mrioc, "Device Added: dev=0x%04x Form=0x%x\n", 212 event_data->dev_handle, event_data->device_form); 213 return; 214 } 215 case MPI3_EVENT_DEVICE_INFO_CHANGED: 216 { 217 struct mpi3_device_page0 *event_data = 218 (struct mpi3_device_page0 *)event_reply->event_data; 219 ioc_info(mrioc, "Device Info Changed: dev=0x%04x Form=0x%x\n", 220 event_data->dev_handle, event_data->device_form); 221 return; 222 } 223 case MPI3_EVENT_DEVICE_STATUS_CHANGE: 224 { 225 struct mpi3_event_data_device_status_change *event_data = 226 (struct mpi3_event_data_device_status_change *)event_reply->event_data; 227 ioc_info(mrioc, "Device status Change: dev=0x%04x RC=0x%x\n", 228 event_data->dev_handle, event_data->reason_code); 229 return; 230 } 231 case MPI3_EVENT_SAS_DISCOVERY: 232 { 233 struct mpi3_event_data_sas_discovery *event_data = 234 (struct mpi3_event_data_sas_discovery *)event_reply->event_data; 235 ioc_info(mrioc, "SAS Discovery: (%s) status (0x%08x)\n", 236 (event_data->reason_code == MPI3_EVENT_SAS_DISC_RC_STARTED) ? 237 "start" : "stop", 238 le32_to_cpu(event_data->discovery_status)); 239 return; 240 } 241 case MPI3_EVENT_SAS_BROADCAST_PRIMITIVE: 242 desc = "SAS Broadcast Primitive"; 243 break; 244 case MPI3_EVENT_SAS_NOTIFY_PRIMITIVE: 245 desc = "SAS Notify Primitive"; 246 break; 247 case MPI3_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: 248 desc = "SAS Init Device Status Change"; 249 break; 250 case MPI3_EVENT_SAS_INIT_TABLE_OVERFLOW: 251 desc = "SAS Init Table Overflow"; 252 break; 253 case MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 254 desc = "SAS Topology Change List"; 255 break; 256 case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE: 257 desc = "Enclosure Device Status Change"; 258 break; 259 case MPI3_EVENT_ENCL_DEVICE_ADDED: 260 desc = "Enclosure Added"; 261 break; 262 case MPI3_EVENT_HARD_RESET_RECEIVED: 263 desc = "Hard Reset Received"; 264 break; 265 case MPI3_EVENT_SAS_PHY_COUNTER: 266 desc = "SAS PHY Counter"; 267 break; 268 case MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR: 269 desc = "SAS Device Discovery Error"; 270 break; 271 case MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST: 272 desc = "PCIE Topology Change List"; 273 break; 274 case MPI3_EVENT_PCIE_ENUMERATION: 275 { 276 struct mpi3_event_data_pcie_enumeration *event_data = 277 (struct mpi3_event_data_pcie_enumeration *)event_reply->event_data; 278 ioc_info(mrioc, "PCIE Enumeration: (%s)", 279 (event_data->reason_code == 280 MPI3_EVENT_PCIE_ENUM_RC_STARTED) ? "start" : "stop"); 281 if (event_data->enumeration_status) 282 ioc_info(mrioc, "enumeration_status(0x%08x)\n", 283 le32_to_cpu(event_data->enumeration_status)); 284 return; 285 } 286 case MPI3_EVENT_PREPARE_FOR_RESET: 287 desc = "Prepare For Reset"; 288 break; 289 case MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE: 290 desc = "Diagnostic Buffer Status Change"; 291 break; 292 } 293 294 if (!desc) 295 return; 296 297 ioc_info(mrioc, "%s\n", desc); 298 } 299 300 static void mpi3mr_handle_events(struct mpi3mr_ioc *mrioc, 301 struct mpi3_default_reply *def_reply) 302 { 303 struct mpi3_event_notification_reply *event_reply = 304 (struct mpi3_event_notification_reply *)def_reply; 305 306 mrioc->change_count = le16_to_cpu(event_reply->ioc_change_count); 307 mpi3mr_print_event_data(mrioc, event_reply); 308 mpi3mr_os_handle_events(mrioc, event_reply); 309 } 310 311 static struct mpi3mr_drv_cmd * 312 mpi3mr_get_drv_cmd(struct mpi3mr_ioc *mrioc, u16 host_tag, 313 struct mpi3_default_reply *def_reply) 314 { 315 u16 idx; 316 317 switch (host_tag) { 318 case MPI3MR_HOSTTAG_INITCMDS: 319 return &mrioc->init_cmds; 320 case MPI3MR_HOSTTAG_CFG_CMDS: 321 return &mrioc->cfg_cmds; 322 case MPI3MR_HOSTTAG_BSG_CMDS: 323 return &mrioc->bsg_cmds; 324 case MPI3MR_HOSTTAG_BLK_TMS: 325 return &mrioc->host_tm_cmds; 326 case MPI3MR_HOSTTAG_PEL_ABORT: 327 return &mrioc->pel_abort_cmd; 328 case MPI3MR_HOSTTAG_PEL_WAIT: 329 return &mrioc->pel_cmds; 330 case MPI3MR_HOSTTAG_TRANSPORT_CMDS: 331 return &mrioc->transport_cmds; 332 case MPI3MR_HOSTTAG_INVALID: 333 if (def_reply && def_reply->function == 334 MPI3_FUNCTION_EVENT_NOTIFICATION) 335 mpi3mr_handle_events(mrioc, def_reply); 336 return NULL; 337 default: 338 break; 339 } 340 if (host_tag >= MPI3MR_HOSTTAG_DEVRMCMD_MIN && 341 host_tag <= MPI3MR_HOSTTAG_DEVRMCMD_MAX) { 342 idx = host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN; 343 return &mrioc->dev_rmhs_cmds[idx]; 344 } 345 346 if (host_tag >= MPI3MR_HOSTTAG_EVTACKCMD_MIN && 347 host_tag <= MPI3MR_HOSTTAG_EVTACKCMD_MAX) { 348 idx = host_tag - MPI3MR_HOSTTAG_EVTACKCMD_MIN; 349 return &mrioc->evtack_cmds[idx]; 350 } 351 352 return NULL; 353 } 354 355 static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc, 356 struct mpi3_default_reply_descriptor *reply_desc, u64 *reply_dma) 357 { 358 u16 reply_desc_type, host_tag = 0; 359 u16 ioc_status = MPI3_IOCSTATUS_SUCCESS; 360 u16 masked_ioc_status = MPI3_IOCSTATUS_SUCCESS; 361 u32 ioc_loginfo = 0, sense_count = 0; 362 struct mpi3_status_reply_descriptor *status_desc; 363 struct mpi3_address_reply_descriptor *addr_desc; 364 struct mpi3_success_reply_descriptor *success_desc; 365 struct mpi3_default_reply *def_reply = NULL; 366 struct mpi3mr_drv_cmd *cmdptr = NULL; 367 struct mpi3_scsi_io_reply *scsi_reply; 368 struct scsi_sense_hdr sshdr; 369 u8 *sense_buf = NULL; 370 371 *reply_dma = 0; 372 reply_desc_type = le16_to_cpu(reply_desc->reply_flags) & 373 MPI3_REPLY_DESCRIPT_FLAGS_TYPE_MASK; 374 switch (reply_desc_type) { 375 case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_STATUS: 376 status_desc = (struct mpi3_status_reply_descriptor *)reply_desc; 377 host_tag = le16_to_cpu(status_desc->host_tag); 378 ioc_status = le16_to_cpu(status_desc->ioc_status); 379 if (ioc_status & 380 MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL) 381 ioc_loginfo = le32_to_cpu(status_desc->ioc_log_info); 382 masked_ioc_status = ioc_status & MPI3_IOCSTATUS_STATUS_MASK; 383 mpi3mr_reply_trigger(mrioc, masked_ioc_status, ioc_loginfo); 384 break; 385 case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_ADDRESS_REPLY: 386 addr_desc = (struct mpi3_address_reply_descriptor *)reply_desc; 387 *reply_dma = le64_to_cpu(addr_desc->reply_frame_address); 388 def_reply = mpi3mr_get_reply_virt_addr(mrioc, *reply_dma); 389 if (!def_reply) 390 goto out; 391 host_tag = le16_to_cpu(def_reply->host_tag); 392 ioc_status = le16_to_cpu(def_reply->ioc_status); 393 if (ioc_status & 394 MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL) 395 ioc_loginfo = le32_to_cpu(def_reply->ioc_log_info); 396 masked_ioc_status = ioc_status & MPI3_IOCSTATUS_STATUS_MASK; 397 if (def_reply->function == MPI3_FUNCTION_SCSI_IO) { 398 scsi_reply = (struct mpi3_scsi_io_reply *)def_reply; 399 sense_buf = mpi3mr_get_sensebuf_virt_addr(mrioc, 400 le64_to_cpu(scsi_reply->sense_data_buffer_address)); 401 sense_count = le32_to_cpu(scsi_reply->sense_count); 402 if (sense_buf) { 403 scsi_normalize_sense(sense_buf, sense_count, 404 &sshdr); 405 mpi3mr_scsisense_trigger(mrioc, sshdr.sense_key, 406 sshdr.asc, sshdr.ascq); 407 } 408 } 409 mpi3mr_reply_trigger(mrioc, masked_ioc_status, ioc_loginfo); 410 break; 411 case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_SUCCESS: 412 success_desc = (struct mpi3_success_reply_descriptor *)reply_desc; 413 host_tag = le16_to_cpu(success_desc->host_tag); 414 break; 415 default: 416 break; 417 } 418 419 cmdptr = mpi3mr_get_drv_cmd(mrioc, host_tag, def_reply); 420 if (cmdptr) { 421 if (cmdptr->state & MPI3MR_CMD_PENDING) { 422 cmdptr->state |= MPI3MR_CMD_COMPLETE; 423 cmdptr->ioc_loginfo = ioc_loginfo; 424 if (host_tag == MPI3MR_HOSTTAG_BSG_CMDS) 425 cmdptr->ioc_status = ioc_status; 426 else 427 cmdptr->ioc_status = masked_ioc_status; 428 cmdptr->state &= ~MPI3MR_CMD_PENDING; 429 if (def_reply) { 430 cmdptr->state |= MPI3MR_CMD_REPLY_VALID; 431 memcpy((u8 *)cmdptr->reply, (u8 *)def_reply, 432 mrioc->reply_sz); 433 } 434 if (sense_buf && cmdptr->sensebuf) { 435 cmdptr->is_sense = 1; 436 memcpy(cmdptr->sensebuf, sense_buf, 437 MPI3MR_SENSE_BUF_SZ); 438 } 439 if (cmdptr->is_waiting) { 440 cmdptr->is_waiting = 0; 441 complete(&cmdptr->done); 442 } else if (cmdptr->callback) 443 cmdptr->callback(mrioc, cmdptr); 444 } 445 } 446 out: 447 if (sense_buf) 448 mpi3mr_repost_sense_buf(mrioc, 449 le64_to_cpu(scsi_reply->sense_data_buffer_address)); 450 } 451 452 int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc) 453 { 454 u32 exp_phase = mrioc->admin_reply_ephase; 455 u32 admin_reply_ci = mrioc->admin_reply_ci; 456 u32 num_admin_replies = 0; 457 u64 reply_dma = 0; 458 u16 threshold_comps = 0; 459 struct mpi3_default_reply_descriptor *reply_desc; 460 461 if (!atomic_add_unless(&mrioc->admin_reply_q_in_use, 1, 1)) { 462 atomic_inc(&mrioc->admin_pend_isr); 463 return 0; 464 } 465 466 atomic_set(&mrioc->admin_pend_isr, 0); 467 reply_desc = (struct mpi3_default_reply_descriptor *)mrioc->admin_reply_base + 468 admin_reply_ci; 469 470 if ((le16_to_cpu(reply_desc->reply_flags) & 471 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) { 472 atomic_dec(&mrioc->admin_reply_q_in_use); 473 return 0; 474 } 475 476 do { 477 if (mrioc->unrecoverable || mrioc->io_admin_reset_sync) 478 break; 479 480 mrioc->admin_req_ci = le16_to_cpu(reply_desc->request_queue_ci); 481 mpi3mr_process_admin_reply_desc(mrioc, reply_desc, &reply_dma); 482 if (reply_dma) 483 mpi3mr_repost_reply_buf(mrioc, reply_dma); 484 num_admin_replies++; 485 threshold_comps++; 486 if (++admin_reply_ci == mrioc->num_admin_replies) { 487 admin_reply_ci = 0; 488 exp_phase ^= 1; 489 } 490 reply_desc = 491 (struct mpi3_default_reply_descriptor *)mrioc->admin_reply_base + 492 admin_reply_ci; 493 if ((le16_to_cpu(reply_desc->reply_flags) & 494 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) 495 break; 496 if (threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) { 497 writel(admin_reply_ci, 498 &mrioc->sysif_regs->admin_reply_queue_ci); 499 threshold_comps = 0; 500 } 501 } while (1); 502 503 writel(admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci); 504 mrioc->admin_reply_ci = admin_reply_ci; 505 mrioc->admin_reply_ephase = exp_phase; 506 atomic_dec(&mrioc->admin_reply_q_in_use); 507 508 return num_admin_replies; 509 } 510 511 /** 512 * mpi3mr_get_reply_desc - get reply descriptor frame corresponding to 513 * queue's consumer index from operational reply descriptor queue. 514 * @op_reply_q: op_reply_qinfo object 515 * @reply_ci: operational reply descriptor's queue consumer index 516 * 517 * Returns: reply descriptor frame address 518 */ 519 static inline struct mpi3_default_reply_descriptor * 520 mpi3mr_get_reply_desc(struct op_reply_qinfo *op_reply_q, u32 reply_ci) 521 { 522 void *segment_base_addr; 523 struct segments *segments = op_reply_q->q_segments; 524 struct mpi3_default_reply_descriptor *reply_desc = NULL; 525 526 segment_base_addr = 527 segments[reply_ci / op_reply_q->segment_qd].segment; 528 reply_desc = (struct mpi3_default_reply_descriptor *)segment_base_addr + 529 (reply_ci % op_reply_q->segment_qd); 530 return reply_desc; 531 } 532 533 /** 534 * mpi3mr_process_op_reply_q - Operational reply queue handler 535 * @mrioc: Adapter instance reference 536 * @op_reply_q: Operational reply queue info 537 * 538 * Checks the specific operational reply queue and drains the 539 * reply queue entries until the queue is empty and process the 540 * individual reply descriptors. 541 * 542 * Return: 0 if queue is already processed,or number of reply 543 * descriptors processed. 544 */ 545 int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc, 546 struct op_reply_qinfo *op_reply_q) 547 { 548 struct op_req_qinfo *op_req_q; 549 u32 exp_phase; 550 u32 reply_ci; 551 u32 num_op_reply = 0; 552 u64 reply_dma = 0; 553 struct mpi3_default_reply_descriptor *reply_desc; 554 u16 req_q_idx = 0, reply_qidx, threshold_comps = 0; 555 556 reply_qidx = op_reply_q->qid - 1; 557 558 if (!atomic_add_unless(&op_reply_q->in_use, 1, 1)) 559 return 0; 560 561 exp_phase = op_reply_q->ephase; 562 reply_ci = op_reply_q->ci; 563 564 reply_desc = mpi3mr_get_reply_desc(op_reply_q, reply_ci); 565 if ((le16_to_cpu(reply_desc->reply_flags) & 566 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) { 567 atomic_dec(&op_reply_q->in_use); 568 return 0; 569 } 570 571 do { 572 if (mrioc->unrecoverable || mrioc->io_admin_reset_sync) 573 break; 574 575 req_q_idx = le16_to_cpu(reply_desc->request_queue_id) - 1; 576 op_req_q = &mrioc->req_qinfo[req_q_idx]; 577 578 WRITE_ONCE(op_req_q->ci, le16_to_cpu(reply_desc->request_queue_ci)); 579 mpi3mr_process_op_reply_desc(mrioc, reply_desc, &reply_dma, 580 reply_qidx); 581 582 if (reply_dma) 583 mpi3mr_repost_reply_buf(mrioc, reply_dma); 584 num_op_reply++; 585 threshold_comps++; 586 587 if (++reply_ci == op_reply_q->num_replies) { 588 reply_ci = 0; 589 exp_phase ^= 1; 590 } 591 592 reply_desc = mpi3mr_get_reply_desc(op_reply_q, reply_ci); 593 594 if ((le16_to_cpu(reply_desc->reply_flags) & 595 MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) 596 break; 597 #ifndef CONFIG_PREEMPT_RT 598 /* 599 * Exit completion loop to avoid CPU lockup 600 * Ensure remaining completion happens from threaded ISR. 601 */ 602 if ((num_op_reply > mrioc->max_host_ios) && 603 (threaded_isr_poll == true)) { 604 op_reply_q->enable_irq_poll = true; 605 break; 606 } 607 #endif 608 if (threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) { 609 writel(reply_ci, 610 &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index); 611 atomic_sub(threshold_comps, &op_reply_q->pend_ios); 612 threshold_comps = 0; 613 } 614 } while (1); 615 616 writel(reply_ci, 617 &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index); 618 op_reply_q->ci = reply_ci; 619 op_reply_q->ephase = exp_phase; 620 atomic_sub(threshold_comps, &op_reply_q->pend_ios); 621 atomic_dec(&op_reply_q->in_use); 622 return num_op_reply; 623 } 624 625 /** 626 * mpi3mr_blk_mq_poll - Operational reply queue handler 627 * @shost: SCSI Host reference 628 * @queue_num: Request queue number (w.r.t OS it is hardware context number) 629 * 630 * Checks the specific operational reply queue and drains the 631 * reply queue entries until the queue is empty and process the 632 * individual reply descriptors. 633 * 634 * Return: 0 if queue is already processed,or number of reply 635 * descriptors processed. 636 */ 637 int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) 638 { 639 int num_entries = 0; 640 struct mpi3mr_ioc *mrioc; 641 642 mrioc = (struct mpi3mr_ioc *)shost->hostdata; 643 644 if ((mrioc->reset_in_progress || mrioc->prepare_for_reset || 645 mrioc->unrecoverable || mrioc->pci_err_recovery)) 646 return 0; 647 648 num_entries = mpi3mr_process_op_reply_q(mrioc, 649 &mrioc->op_reply_qinfo[queue_num]); 650 651 return num_entries; 652 } 653 654 static irqreturn_t mpi3mr_isr_primary(int irq, void *privdata) 655 { 656 struct mpi3mr_intr_info *intr_info = privdata; 657 struct mpi3mr_ioc *mrioc; 658 u16 midx; 659 u32 num_admin_replies = 0, num_op_reply = 0; 660 661 if (!intr_info) 662 return IRQ_NONE; 663 664 mrioc = intr_info->mrioc; 665 666 if (!mrioc->intr_enabled) 667 return IRQ_NONE; 668 669 midx = intr_info->msix_index; 670 671 if (!midx) 672 num_admin_replies = mpi3mr_process_admin_reply_q(mrioc); 673 if (intr_info->op_reply_q) 674 num_op_reply = mpi3mr_process_op_reply_q(mrioc, 675 intr_info->op_reply_q); 676 677 if (num_admin_replies || num_op_reply) 678 return IRQ_HANDLED; 679 else 680 return IRQ_NONE; 681 } 682 683 #ifndef CONFIG_PREEMPT_RT 684 685 static irqreturn_t mpi3mr_isr(int irq, void *privdata) 686 { 687 struct mpi3mr_intr_info *intr_info = privdata; 688 int ret; 689 690 if (!intr_info) 691 return IRQ_NONE; 692 693 /* Call primary ISR routine */ 694 ret = mpi3mr_isr_primary(irq, privdata); 695 696 /* 697 * If more IOs are expected, schedule IRQ polling thread. 698 * Otherwise exit from ISR. 699 */ 700 if ((threaded_isr_poll == false) || !intr_info->op_reply_q) 701 return ret; 702 703 if (!intr_info->op_reply_q->enable_irq_poll || 704 !atomic_read(&intr_info->op_reply_q->pend_ios)) 705 return ret; 706 707 disable_irq_nosync(intr_info->os_irq); 708 709 return IRQ_WAKE_THREAD; 710 } 711 712 /** 713 * mpi3mr_isr_poll - Reply queue polling routine 714 * @irq: IRQ 715 * @privdata: Interrupt info 716 * 717 * poll for pending I/O completions in a loop until pending I/Os 718 * present or controller queue depth I/Os are processed. 719 * 720 * Return: IRQ_NONE or IRQ_HANDLED 721 */ 722 static irqreturn_t mpi3mr_isr_poll(int irq, void *privdata) 723 { 724 struct mpi3mr_intr_info *intr_info = privdata; 725 struct mpi3mr_ioc *mrioc; 726 u16 midx; 727 u32 num_op_reply = 0; 728 729 if (!intr_info || !intr_info->op_reply_q) 730 return IRQ_NONE; 731 732 mrioc = intr_info->mrioc; 733 midx = intr_info->msix_index; 734 735 /* Poll for pending IOs completions */ 736 do { 737 if (!mrioc->intr_enabled || mrioc->unrecoverable) 738 break; 739 740 if (!midx) 741 mpi3mr_process_admin_reply_q(mrioc); 742 if (intr_info->op_reply_q) 743 num_op_reply += 744 mpi3mr_process_op_reply_q(mrioc, 745 intr_info->op_reply_q); 746 747 usleep_range(MPI3MR_IRQ_POLL_SLEEP, MPI3MR_IRQ_POLL_SLEEP + 1); 748 749 } while (atomic_read(&intr_info->op_reply_q->pend_ios) && 750 (num_op_reply < mrioc->max_host_ios)); 751 752 intr_info->op_reply_q->enable_irq_poll = false; 753 enable_irq(intr_info->os_irq); 754 755 return IRQ_HANDLED; 756 } 757 758 #endif 759 760 /** 761 * mpi3mr_request_irq - Request IRQ and register ISR 762 * @mrioc: Adapter instance reference 763 * @index: IRQ vector index 764 * 765 * Request threaded ISR with primary ISR and secondary 766 * 767 * Return: 0 on success and non zero on failures. 768 */ 769 static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index) 770 { 771 struct pci_dev *pdev = mrioc->pdev; 772 struct mpi3mr_intr_info *intr_info = mrioc->intr_info + index; 773 int retval = 0; 774 775 intr_info->mrioc = mrioc; 776 intr_info->msix_index = index; 777 intr_info->op_reply_q = NULL; 778 779 scnprintf(intr_info->name, MPI3MR_NAME_LENGTH, 780 "%.32s%d-msix%u", mrioc->driver_name, mrioc->id, index); 781 782 #ifndef CONFIG_PREEMPT_RT 783 retval = request_threaded_irq(pci_irq_vector(pdev, index), mpi3mr_isr, 784 mpi3mr_isr_poll, IRQF_SHARED, intr_info->name, intr_info); 785 #else 786 retval = request_threaded_irq(pci_irq_vector(pdev, index), mpi3mr_isr_primary, 787 NULL, IRQF_SHARED, intr_info->name, intr_info); 788 #endif 789 if (retval) { 790 ioc_err(mrioc, "%s: Unable to allocate interrupt %d!\n", 791 intr_info->name, pci_irq_vector(pdev, index)); 792 return retval; 793 } 794 795 intr_info->os_irq = pci_irq_vector(pdev, index); 796 return retval; 797 } 798 799 static void mpi3mr_calc_poll_queues(struct mpi3mr_ioc *mrioc, u16 max_vectors) 800 { 801 if (!mrioc->requested_poll_qcount) 802 return; 803 804 /* Reserved for Admin and Default Queue */ 805 if (max_vectors > 2 && 806 (mrioc->requested_poll_qcount < max_vectors - 2)) { 807 ioc_info(mrioc, 808 "enabled polled queues (%d) msix (%d)\n", 809 mrioc->requested_poll_qcount, max_vectors); 810 } else { 811 ioc_info(mrioc, 812 "disabled polled queues (%d) msix (%d) because of no resources for default queue\n", 813 mrioc->requested_poll_qcount, max_vectors); 814 mrioc->requested_poll_qcount = 0; 815 } 816 } 817 818 /** 819 * mpi3mr_setup_isr - Setup ISR for the controller 820 * @mrioc: Adapter instance reference 821 * @setup_one: Request one IRQ or more 822 * 823 * Allocate IRQ vectors and call mpi3mr_request_irq to setup ISR 824 * 825 * Return: 0 on success and non zero on failures. 826 */ 827 static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one) 828 { 829 unsigned int irq_flags = PCI_IRQ_MSIX; 830 int max_vectors, min_vec; 831 int retval; 832 int i; 833 struct irq_affinity desc = { .pre_vectors = 1, .post_vectors = 1 }; 834 835 if (mrioc->is_intr_info_set) 836 return 0; 837 838 mpi3mr_cleanup_isr(mrioc); 839 840 if (setup_one || reset_devices) { 841 max_vectors = 1; 842 retval = pci_alloc_irq_vectors(mrioc->pdev, 843 1, max_vectors, irq_flags); 844 if (retval < 0) { 845 ioc_err(mrioc, "cannot allocate irq vectors, ret %d\n", 846 retval); 847 goto out_failed; 848 } 849 } else { 850 max_vectors = 851 min_t(int, mrioc->cpu_count + 1 + 852 mrioc->requested_poll_qcount, mrioc->msix_count); 853 854 mpi3mr_calc_poll_queues(mrioc, max_vectors); 855 856 ioc_info(mrioc, 857 "MSI-X vectors supported: %d, no of cores: %d,", 858 mrioc->msix_count, mrioc->cpu_count); 859 ioc_info(mrioc, 860 "MSI-x vectors requested: %d poll_queues %d\n", 861 max_vectors, mrioc->requested_poll_qcount); 862 863 desc.post_vectors = mrioc->requested_poll_qcount; 864 min_vec = desc.pre_vectors + desc.post_vectors; 865 irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES; 866 867 retval = pci_alloc_irq_vectors_affinity(mrioc->pdev, 868 min_vec, max_vectors, irq_flags, &desc); 869 870 if (retval < 0) { 871 ioc_err(mrioc, "cannot allocate irq vectors, ret %d\n", 872 retval); 873 goto out_failed; 874 } 875 876 877 /* 878 * If only one MSI-x is allocated, then MSI-x 0 will be shared 879 * between Admin queue and operational queue 880 */ 881 if (retval == min_vec) 882 mrioc->op_reply_q_offset = 0; 883 else if (retval != (max_vectors)) { 884 ioc_info(mrioc, 885 "allocated vectors (%d) are less than configured (%d)\n", 886 retval, max_vectors); 887 } 888 889 max_vectors = retval; 890 mrioc->op_reply_q_offset = (max_vectors > 1) ? 1 : 0; 891 892 mpi3mr_calc_poll_queues(mrioc, max_vectors); 893 894 } 895 896 mrioc->intr_info = kzalloc(sizeof(struct mpi3mr_intr_info) * max_vectors, 897 GFP_KERNEL); 898 if (!mrioc->intr_info) { 899 retval = -ENOMEM; 900 pci_free_irq_vectors(mrioc->pdev); 901 goto out_failed; 902 } 903 for (i = 0; i < max_vectors; i++) { 904 retval = mpi3mr_request_irq(mrioc, i); 905 if (retval) { 906 mrioc->intr_info_count = i; 907 goto out_failed; 908 } 909 } 910 if (reset_devices || !setup_one) 911 mrioc->is_intr_info_set = true; 912 mrioc->intr_info_count = max_vectors; 913 mpi3mr_ioc_enable_intr(mrioc); 914 return 0; 915 916 out_failed: 917 mpi3mr_cleanup_isr(mrioc); 918 919 return retval; 920 } 921 922 static const struct { 923 enum mpi3mr_iocstate value; 924 char *name; 925 } mrioc_states[] = { 926 { MRIOC_STATE_READY, "ready" }, 927 { MRIOC_STATE_FAULT, "fault" }, 928 { MRIOC_STATE_RESET, "reset" }, 929 { MRIOC_STATE_BECOMING_READY, "becoming ready" }, 930 { MRIOC_STATE_RESET_REQUESTED, "reset requested" }, 931 { MRIOC_STATE_UNRECOVERABLE, "unrecoverable error" }, 932 }; 933 934 static const char *mpi3mr_iocstate_name(enum mpi3mr_iocstate mrioc_state) 935 { 936 int i; 937 char *name = NULL; 938 939 for (i = 0; i < ARRAY_SIZE(mrioc_states); i++) { 940 if (mrioc_states[i].value == mrioc_state) { 941 name = mrioc_states[i].name; 942 break; 943 } 944 } 945 return name; 946 } 947 948 /* Reset reason to name mapper structure*/ 949 static const struct { 950 enum mpi3mr_reset_reason value; 951 char *name; 952 } mpi3mr_reset_reason_codes[] = { 953 { MPI3MR_RESET_FROM_BRINGUP, "timeout in bringup" }, 954 { MPI3MR_RESET_FROM_FAULT_WATCH, "fault" }, 955 { MPI3MR_RESET_FROM_APP, "application invocation" }, 956 { MPI3MR_RESET_FROM_EH_HOS, "error handling" }, 957 { MPI3MR_RESET_FROM_TM_TIMEOUT, "TM timeout" }, 958 { MPI3MR_RESET_FROM_APP_TIMEOUT, "application command timeout" }, 959 { MPI3MR_RESET_FROM_MUR_FAILURE, "MUR failure" }, 960 { MPI3MR_RESET_FROM_CTLR_CLEANUP, "timeout in controller cleanup" }, 961 { MPI3MR_RESET_FROM_CIACTIV_FAULT, "component image activation fault" }, 962 { MPI3MR_RESET_FROM_PE_TIMEOUT, "port enable timeout" }, 963 { MPI3MR_RESET_FROM_TSU_TIMEOUT, "time stamp update timeout" }, 964 { MPI3MR_RESET_FROM_DELREQQ_TIMEOUT, "delete request queue timeout" }, 965 { MPI3MR_RESET_FROM_DELREPQ_TIMEOUT, "delete reply queue timeout" }, 966 { 967 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT, 968 "create request queue timeout" 969 }, 970 { 971 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT, 972 "create reply queue timeout" 973 }, 974 { MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT, "IOC facts timeout" }, 975 { MPI3MR_RESET_FROM_IOCINIT_TIMEOUT, "IOC init timeout" }, 976 { MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT, "event notify timeout" }, 977 { MPI3MR_RESET_FROM_EVTACK_TIMEOUT, "event acknowledgment timeout" }, 978 { 979 MPI3MR_RESET_FROM_CIACTVRST_TIMER, 980 "component image activation timeout" 981 }, 982 { 983 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT, 984 "get package version timeout" 985 }, 986 { MPI3MR_RESET_FROM_SYSFS, "sysfs invocation" }, 987 { MPI3MR_RESET_FROM_SYSFS_TIMEOUT, "sysfs TM timeout" }, 988 { 989 MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT, 990 "diagnostic buffer post timeout" 991 }, 992 { 993 MPI3MR_RESET_FROM_DIAG_BUFFER_RELEASE_TIMEOUT, 994 "diagnostic buffer release timeout" 995 }, 996 { MPI3MR_RESET_FROM_FIRMWARE, "firmware asynchronous reset" }, 997 { MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT, "configuration request timeout"}, 998 { MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT, "timeout of a SAS transport layer request" }, 999 }; 1000 1001 /** 1002 * mpi3mr_reset_rc_name - get reset reason code name 1003 * @reason_code: reset reason code value 1004 * 1005 * Map reset reason to an NULL terminated ASCII string 1006 * 1007 * Return: name corresponding to reset reason value or NULL. 1008 */ 1009 static const char *mpi3mr_reset_rc_name(enum mpi3mr_reset_reason reason_code) 1010 { 1011 int i; 1012 char *name = NULL; 1013 1014 for (i = 0; i < ARRAY_SIZE(mpi3mr_reset_reason_codes); i++) { 1015 if (mpi3mr_reset_reason_codes[i].value == reason_code) { 1016 name = mpi3mr_reset_reason_codes[i].name; 1017 break; 1018 } 1019 } 1020 return name; 1021 } 1022 1023 /* Reset type to name mapper structure*/ 1024 static const struct { 1025 u16 reset_type; 1026 char *name; 1027 } mpi3mr_reset_types[] = { 1028 { MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, "soft" }, 1029 { MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, "diag fault" }, 1030 }; 1031 1032 /** 1033 * mpi3mr_reset_type_name - get reset type name 1034 * @reset_type: reset type value 1035 * 1036 * Map reset type to an NULL terminated ASCII string 1037 * 1038 * Return: name corresponding to reset type value or NULL. 1039 */ 1040 static const char *mpi3mr_reset_type_name(u16 reset_type) 1041 { 1042 int i; 1043 char *name = NULL; 1044 1045 for (i = 0; i < ARRAY_SIZE(mpi3mr_reset_types); i++) { 1046 if (mpi3mr_reset_types[i].reset_type == reset_type) { 1047 name = mpi3mr_reset_types[i].name; 1048 break; 1049 } 1050 } 1051 return name; 1052 } 1053 1054 /** 1055 * mpi3mr_is_fault_recoverable - Read fault code and decide 1056 * whether the controller can be recoverable 1057 * @mrioc: Adapter instance reference 1058 * Return: true if fault is recoverable, false otherwise. 1059 */ 1060 static inline bool mpi3mr_is_fault_recoverable(struct mpi3mr_ioc *mrioc) 1061 { 1062 u32 fault; 1063 1064 fault = (readl(&mrioc->sysif_regs->fault) & 1065 MPI3_SYSIF_FAULT_CODE_MASK); 1066 1067 switch (fault) { 1068 case MPI3_SYSIF_FAULT_CODE_COMPLETE_RESET_NEEDED: 1069 case MPI3_SYSIF_FAULT_CODE_POWER_CYCLE_REQUIRED: 1070 ioc_warn(mrioc, 1071 "controller requires system power cycle, marking controller as unrecoverable\n"); 1072 return false; 1073 case MPI3_SYSIF_FAULT_CODE_INSUFFICIENT_PCI_SLOT_POWER: 1074 ioc_warn(mrioc, 1075 "controller faulted due to insufficient power,\n" 1076 " try by connecting it to a different slot\n"); 1077 return false; 1078 default: 1079 break; 1080 } 1081 return true; 1082 } 1083 1084 /** 1085 * mpi3mr_print_fault_info - Display fault information 1086 * @mrioc: Adapter instance reference 1087 * 1088 * Display the controller fault information if there is a 1089 * controller fault. 1090 * 1091 * Return: Nothing. 1092 */ 1093 void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc) 1094 { 1095 u32 ioc_status, code, code1, code2, code3; 1096 1097 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1098 1099 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) { 1100 code = readl(&mrioc->sysif_regs->fault); 1101 code1 = readl(&mrioc->sysif_regs->fault_info[0]); 1102 code2 = readl(&mrioc->sysif_regs->fault_info[1]); 1103 code3 = readl(&mrioc->sysif_regs->fault_info[2]); 1104 1105 ioc_info(mrioc, 1106 "fault code(0x%08X): Additional code: (0x%08X:0x%08X:0x%08X)\n", 1107 code, code1, code2, code3); 1108 } 1109 } 1110 1111 /** 1112 * mpi3mr_save_fault_info - Save fault information 1113 * @mrioc: Adapter instance reference 1114 * 1115 * Save the controller fault information if there is a 1116 * controller fault. 1117 * 1118 * Return: Nothing. 1119 */ 1120 static void mpi3mr_save_fault_info(struct mpi3mr_ioc *mrioc) 1121 { 1122 u32 ioc_status, i; 1123 1124 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1125 1126 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) { 1127 mrioc->saved_fault_code = readl(&mrioc->sysif_regs->fault) & 1128 MPI3_SYSIF_FAULT_CODE_MASK; 1129 for (i = 0; i < 3; i++) { 1130 mrioc->saved_fault_info[i] = 1131 readl(&mrioc->sysif_regs->fault_info[i]); 1132 } 1133 } 1134 } 1135 1136 /** 1137 * mpi3mr_get_iocstate - Get IOC State 1138 * @mrioc: Adapter instance reference 1139 * 1140 * Return a proper IOC state enum based on the IOC status and 1141 * IOC configuration and unrcoverable state of the controller. 1142 * 1143 * Return: Current IOC state. 1144 */ 1145 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc) 1146 { 1147 u32 ioc_status, ioc_config; 1148 u8 ready, enabled; 1149 1150 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1151 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1152 1153 if (mrioc->unrecoverable) 1154 return MRIOC_STATE_UNRECOVERABLE; 1155 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) 1156 return MRIOC_STATE_FAULT; 1157 1158 ready = (ioc_status & MPI3_SYSIF_IOC_STATUS_READY); 1159 enabled = (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC); 1160 1161 if (ready && enabled) 1162 return MRIOC_STATE_READY; 1163 if ((!ready) && (!enabled)) 1164 return MRIOC_STATE_RESET; 1165 if ((!ready) && (enabled)) 1166 return MRIOC_STATE_BECOMING_READY; 1167 1168 return MRIOC_STATE_RESET_REQUESTED; 1169 } 1170 1171 /** 1172 * mpi3mr_free_ioctl_dma_memory - free memory for ioctl dma 1173 * @mrioc: Adapter instance reference 1174 * 1175 * Free the DMA memory allocated for IOCTL handling purpose. 1176 * 1177 * Return: None 1178 */ 1179 static void mpi3mr_free_ioctl_dma_memory(struct mpi3mr_ioc *mrioc) 1180 { 1181 struct dma_memory_desc *mem_desc; 1182 u16 i; 1183 1184 if (!mrioc->ioctl_dma_pool) 1185 return; 1186 1187 for (i = 0; i < MPI3MR_NUM_IOCTL_SGE; i++) { 1188 mem_desc = &mrioc->ioctl_sge[i]; 1189 if (mem_desc->addr) { 1190 dma_pool_free(mrioc->ioctl_dma_pool, 1191 mem_desc->addr, 1192 mem_desc->dma_addr); 1193 mem_desc->addr = NULL; 1194 } 1195 } 1196 dma_pool_destroy(mrioc->ioctl_dma_pool); 1197 mrioc->ioctl_dma_pool = NULL; 1198 mem_desc = &mrioc->ioctl_chain_sge; 1199 1200 if (mem_desc->addr) { 1201 dma_free_coherent(&mrioc->pdev->dev, mem_desc->size, 1202 mem_desc->addr, mem_desc->dma_addr); 1203 mem_desc->addr = NULL; 1204 } 1205 mem_desc = &mrioc->ioctl_resp_sge; 1206 if (mem_desc->addr) { 1207 dma_free_coherent(&mrioc->pdev->dev, mem_desc->size, 1208 mem_desc->addr, mem_desc->dma_addr); 1209 mem_desc->addr = NULL; 1210 } 1211 1212 mrioc->ioctl_sges_allocated = false; 1213 } 1214 1215 /** 1216 * mpi3mr_alloc_ioctl_dma_memory - Alloc memory for ioctl dma 1217 * @mrioc: Adapter instance reference 1218 * 1219 * This function allocates dmaable memory required to handle the 1220 * application issued MPI3 IOCTL requests. 1221 * 1222 * Return: None 1223 */ 1224 static void mpi3mr_alloc_ioctl_dma_memory(struct mpi3mr_ioc *mrioc) 1225 1226 { 1227 struct dma_memory_desc *mem_desc; 1228 u16 i; 1229 1230 mrioc->ioctl_dma_pool = dma_pool_create("ioctl dma pool", 1231 &mrioc->pdev->dev, 1232 MPI3MR_IOCTL_SGE_SIZE, 1233 MPI3MR_PAGE_SIZE_4K, 0); 1234 1235 if (!mrioc->ioctl_dma_pool) { 1236 ioc_err(mrioc, "ioctl_dma_pool: dma_pool_create failed\n"); 1237 goto out_failed; 1238 } 1239 1240 for (i = 0; i < MPI3MR_NUM_IOCTL_SGE; i++) { 1241 mem_desc = &mrioc->ioctl_sge[i]; 1242 mem_desc->size = MPI3MR_IOCTL_SGE_SIZE; 1243 mem_desc->addr = dma_pool_zalloc(mrioc->ioctl_dma_pool, 1244 GFP_KERNEL, 1245 &mem_desc->dma_addr); 1246 if (!mem_desc->addr) 1247 goto out_failed; 1248 } 1249 1250 mem_desc = &mrioc->ioctl_chain_sge; 1251 mem_desc->size = MPI3MR_PAGE_SIZE_4K; 1252 mem_desc->addr = dma_alloc_coherent(&mrioc->pdev->dev, 1253 mem_desc->size, 1254 &mem_desc->dma_addr, 1255 GFP_KERNEL); 1256 if (!mem_desc->addr) 1257 goto out_failed; 1258 1259 mem_desc = &mrioc->ioctl_resp_sge; 1260 mem_desc->size = MPI3MR_PAGE_SIZE_4K; 1261 mem_desc->addr = dma_alloc_coherent(&mrioc->pdev->dev, 1262 mem_desc->size, 1263 &mem_desc->dma_addr, 1264 GFP_KERNEL); 1265 if (!mem_desc->addr) 1266 goto out_failed; 1267 1268 mrioc->ioctl_sges_allocated = true; 1269 1270 return; 1271 out_failed: 1272 ioc_warn(mrioc, "cannot allocate DMA memory for the mpt commands\n" 1273 "from the applications, application interface for MPT command is disabled\n"); 1274 mpi3mr_free_ioctl_dma_memory(mrioc); 1275 } 1276 1277 /** 1278 * mpi3mr_fault_uevent_emit - Emit uevent for any controller 1279 * fault 1280 * @mrioc: Pointer to the mpi3mr_ioc structure for the controller instance 1281 * 1282 * This function is invoked when the controller undergoes any 1283 * type of fault. 1284 */ 1285 1286 static void mpi3mr_fault_uevent_emit(struct mpi3mr_ioc *mrioc) 1287 { 1288 struct kobj_uevent_env *env; 1289 int ret; 1290 1291 env = kzalloc_obj(*env); 1292 if (!env) 1293 return; 1294 1295 ret = add_uevent_var(env, "DRIVER=%s", mrioc->driver_name); 1296 if (ret) 1297 goto out_free; 1298 1299 ret = add_uevent_var(env, "IOC_ID=%u", mrioc->id); 1300 if (ret) 1301 goto out_free; 1302 1303 ret = add_uevent_var(env, "FAULT_CODE=0x%08x", 1304 mrioc->saved_fault_code); 1305 if (ret) 1306 goto out_free; 1307 1308 ret = add_uevent_var(env, "FAULT_INFO0=0x%08x", 1309 mrioc->saved_fault_info[0]); 1310 if (ret) 1311 goto out_free; 1312 1313 ret = add_uevent_var(env, "FAULT_INFO1=0x%08x", 1314 mrioc->saved_fault_info[1]); 1315 if (ret) 1316 goto out_free; 1317 1318 ret = add_uevent_var(env, "FAULT_INFO2=0x%08x", 1319 mrioc->saved_fault_info[2]); 1320 if (ret) 1321 goto out_free; 1322 1323 kobject_uevent_env(&mrioc->shost->shost_gendev.kobj, 1324 KOBJ_CHANGE, env->envp); 1325 1326 out_free: 1327 kfree(env); 1328 1329 } 1330 1331 /** 1332 * mpi3mr_clear_reset_history - clear reset history 1333 * @mrioc: Adapter instance reference 1334 * 1335 * Write the reset history bit in IOC status to clear the bit, 1336 * if it is already set. 1337 * 1338 * Return: Nothing. 1339 */ 1340 static inline void mpi3mr_clear_reset_history(struct mpi3mr_ioc *mrioc) 1341 { 1342 u32 ioc_status; 1343 1344 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1345 if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) 1346 writel(ioc_status, &mrioc->sysif_regs->ioc_status); 1347 } 1348 1349 /** 1350 * mpi3mr_issue_and_process_mur - Message unit Reset handler 1351 * @mrioc: Adapter instance reference 1352 * @reset_reason: Reset reason code 1353 * 1354 * Issue Message unit Reset to the controller and wait for it to 1355 * be complete. 1356 * 1357 * Return: 0 on success, -1 on failure. 1358 */ 1359 static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc, 1360 u32 reset_reason) 1361 { 1362 u32 ioc_config, timeout, ioc_status, scratch_pad0; 1363 int retval = -1; 1364 1365 ioc_info(mrioc, "Issuing Message unit Reset(MUR)\n"); 1366 if (mrioc->unrecoverable) { 1367 ioc_info(mrioc, "IOC is unrecoverable MUR not issued\n"); 1368 return retval; 1369 } 1370 mpi3mr_clear_reset_history(mrioc); 1371 scratch_pad0 = ((MPI3MR_RESET_REASON_OSTYPE_LINUX << 1372 MPI3MR_RESET_REASON_OSTYPE_SHIFT) | 1373 (mrioc->facts.ioc_num << 1374 MPI3MR_RESET_REASON_IOCNUM_SHIFT) | reset_reason); 1375 writel(scratch_pad0, &mrioc->sysif_regs->scratchpad[0]); 1376 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1377 ioc_config &= ~MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC; 1378 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration); 1379 1380 timeout = MPI3MR_MUR_TIMEOUT * 10; 1381 do { 1382 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1383 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)) { 1384 mpi3mr_clear_reset_history(mrioc); 1385 break; 1386 } 1387 if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) { 1388 mpi3mr_print_fault_info(mrioc); 1389 break; 1390 } 1391 msleep(100); 1392 } while (--timeout); 1393 1394 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1395 if (timeout && !((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) || 1396 (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) || 1397 (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC))) 1398 retval = 0; 1399 1400 ioc_info(mrioc, "Base IOC Sts/Config after %s MUR is (0x%08x)/(0x%08x)\n", 1401 (!retval) ? "successful" : "failed", ioc_status, ioc_config); 1402 return retval; 1403 } 1404 1405 /** 1406 * mpi3mr_revalidate_factsdata - validate IOCFacts parameters 1407 * during reset/resume 1408 * @mrioc: Adapter instance reference 1409 * 1410 * Return: zero if the new IOCFacts parameters value is compatible with 1411 * older values else return -EPERM 1412 */ 1413 static int 1414 mpi3mr_revalidate_factsdata(struct mpi3mr_ioc *mrioc) 1415 { 1416 unsigned long *removepend_bitmap; 1417 1418 if (mrioc->facts.reply_sz > mrioc->reply_sz) { 1419 ioc_err(mrioc, 1420 "cannot increase reply size from %d to %d\n", 1421 mrioc->reply_sz, mrioc->facts.reply_sz); 1422 return -EPERM; 1423 } 1424 1425 if (mrioc->facts.max_op_reply_q < mrioc->num_op_reply_q) { 1426 ioc_err(mrioc, 1427 "cannot reduce number of operational reply queues from %d to %d\n", 1428 mrioc->num_op_reply_q, 1429 mrioc->facts.max_op_reply_q); 1430 return -EPERM; 1431 } 1432 1433 if (mrioc->facts.max_op_req_q < mrioc->num_op_req_q) { 1434 ioc_err(mrioc, 1435 "cannot reduce number of operational request queues from %d to %d\n", 1436 mrioc->num_op_req_q, mrioc->facts.max_op_req_q); 1437 return -EPERM; 1438 } 1439 1440 if (mrioc->shost->max_sectors != (mrioc->facts.max_data_length / 512)) 1441 ioc_err(mrioc, "Warning: The maximum data transfer length\n" 1442 "\tchanged after reset: previous(%d), new(%d),\n" 1443 "the driver cannot change this at run time\n", 1444 mrioc->shost->max_sectors * 512, mrioc->facts.max_data_length); 1445 1446 if ((mrioc->sas_transport_enabled) && (mrioc->facts.ioc_capabilities & 1447 MPI3_IOCFACTS_CAPABILITY_MULTIPATH_SUPPORTED)) 1448 ioc_err(mrioc, 1449 "critical error: multipath capability is enabled at the\n" 1450 "\tcontroller while sas transport support is enabled at the\n" 1451 "\tdriver, please reboot the system or reload the driver\n"); 1452 1453 if (mrioc->seg_tb_support) { 1454 if (!(mrioc->facts.ioc_capabilities & 1455 MPI3_IOCFACTS_CAPABILITY_SEG_DIAG_TRACE_SUPPORTED)) { 1456 ioc_err(mrioc, 1457 "critical error: previously enabled segmented trace\n" 1458 " buffer capability is disabled after reset. Please\n" 1459 " update the firmware or reboot the system or\n" 1460 " reload the driver to enable trace diag buffer\n"); 1461 mrioc->diag_buffers[0].disabled_after_reset = true; 1462 } else 1463 mrioc->diag_buffers[0].disabled_after_reset = false; 1464 } 1465 1466 if (mrioc->facts.max_devhandle > mrioc->dev_handle_bitmap_bits) { 1467 removepend_bitmap = bitmap_zalloc(mrioc->facts.max_devhandle, 1468 GFP_KERNEL); 1469 if (!removepend_bitmap) { 1470 ioc_err(mrioc, 1471 "failed to increase removepend_bitmap bits from %d to %d\n", 1472 mrioc->dev_handle_bitmap_bits, 1473 mrioc->facts.max_devhandle); 1474 return -EPERM; 1475 } 1476 bitmap_free(mrioc->removepend_bitmap); 1477 mrioc->removepend_bitmap = removepend_bitmap; 1478 ioc_info(mrioc, 1479 "increased bits of dev_handle_bitmap from %d to %d\n", 1480 mrioc->dev_handle_bitmap_bits, 1481 mrioc->facts.max_devhandle); 1482 mrioc->dev_handle_bitmap_bits = mrioc->facts.max_devhandle; 1483 } 1484 1485 return 0; 1486 } 1487 1488 /** 1489 * mpi3mr_bring_ioc_ready - Bring controller to ready state 1490 * @mrioc: Adapter instance reference 1491 * 1492 * Set Enable IOC bit in IOC configuration register and wait for 1493 * the controller to become ready. 1494 * 1495 * Return: 0 on success, appropriate error on failure. 1496 */ 1497 static int mpi3mr_bring_ioc_ready(struct mpi3mr_ioc *mrioc) 1498 { 1499 u32 ioc_config, ioc_status, timeout, host_diagnostic; 1500 int retval = 0; 1501 enum mpi3mr_iocstate ioc_state; 1502 u64 base_info; 1503 u8 retry = 0; 1504 u64 start_time, elapsed_time_sec; 1505 1506 retry_bring_ioc_ready: 1507 1508 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1509 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1510 base_info = lo_hi_readq(&mrioc->sysif_regs->ioc_information); 1511 ioc_info(mrioc, "ioc_status(0x%08x), ioc_config(0x%08x), ioc_info(0x%016llx) at the bringup\n", 1512 ioc_status, ioc_config, base_info); 1513 1514 if (!mpi3mr_is_fault_recoverable(mrioc)) { 1515 mrioc->unrecoverable = 1; 1516 goto out_device_not_present; 1517 } 1518 1519 /*The timeout value is in 2sec unit, changing it to seconds*/ 1520 mrioc->ready_timeout = 1521 ((base_info & MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_MASK) >> 1522 MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_SHIFT) * 2; 1523 1524 ioc_info(mrioc, "ready timeout: %d seconds\n", mrioc->ready_timeout); 1525 1526 ioc_state = mpi3mr_get_iocstate(mrioc); 1527 ioc_info(mrioc, "controller is in %s state during detection\n", 1528 mpi3mr_iocstate_name(ioc_state)); 1529 1530 timeout = mrioc->ready_timeout * 10; 1531 1532 do { 1533 ioc_state = mpi3mr_get_iocstate(mrioc); 1534 1535 if (ioc_state != MRIOC_STATE_BECOMING_READY && 1536 ioc_state != MRIOC_STATE_RESET_REQUESTED) 1537 break; 1538 1539 if (!pci_device_is_present(mrioc->pdev)) { 1540 mrioc->unrecoverable = 1; 1541 ioc_err(mrioc, "controller is not present while waiting to reset\n"); 1542 goto out_device_not_present; 1543 } 1544 1545 msleep(100); 1546 } while (--timeout); 1547 1548 if (ioc_state == MRIOC_STATE_READY) { 1549 ioc_info(mrioc, "issuing message unit reset (MUR) to bring to reset state\n"); 1550 retval = mpi3mr_issue_and_process_mur(mrioc, 1551 MPI3MR_RESET_FROM_BRINGUP); 1552 ioc_state = mpi3mr_get_iocstate(mrioc); 1553 if (retval) 1554 ioc_err(mrioc, 1555 "message unit reset failed with error %d current state %s\n", 1556 retval, mpi3mr_iocstate_name(ioc_state)); 1557 } 1558 if (ioc_state != MRIOC_STATE_RESET) { 1559 if (ioc_state == MRIOC_STATE_FAULT) { 1560 timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10; 1561 mpi3mr_print_fault_info(mrioc); 1562 mpi3mr_save_fault_info(mrioc); 1563 mrioc->fault_during_init = 1; 1564 mrioc->fwfault_counter++; 1565 1566 do { 1567 host_diagnostic = 1568 readl(&mrioc->sysif_regs->host_diagnostic); 1569 if (!(host_diagnostic & 1570 MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS)) 1571 break; 1572 if (!pci_device_is_present(mrioc->pdev)) { 1573 mrioc->unrecoverable = 1; 1574 ioc_err(mrioc, "controller is not present at the bringup\n"); 1575 goto out_device_not_present; 1576 } 1577 msleep(100); 1578 } while (--timeout); 1579 } 1580 mpi3mr_print_fault_info(mrioc); 1581 ioc_info(mrioc, "issuing soft reset to bring to reset state\n"); 1582 retval = mpi3mr_issue_reset(mrioc, 1583 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, 1584 MPI3MR_RESET_FROM_BRINGUP); 1585 if (retval) { 1586 ioc_err(mrioc, 1587 "soft reset failed with error %d\n", retval); 1588 goto out_failed; 1589 } 1590 } 1591 ioc_state = mpi3mr_get_iocstate(mrioc); 1592 if (ioc_state != MRIOC_STATE_RESET) { 1593 ioc_err(mrioc, 1594 "cannot bring controller to reset state, current state: %s\n", 1595 mpi3mr_iocstate_name(ioc_state)); 1596 goto out_failed; 1597 } 1598 mpi3mr_clear_reset_history(mrioc); 1599 retval = mpi3mr_setup_admin_qpair(mrioc); 1600 if (retval) { 1601 ioc_err(mrioc, "failed to setup admin queues: error %d\n", 1602 retval); 1603 goto out_failed; 1604 } 1605 1606 ioc_info(mrioc, "bringing controller to ready state\n"); 1607 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1608 ioc_config |= MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC; 1609 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration); 1610 1611 if (retry == 0) 1612 start_time = jiffies; 1613 1614 timeout = mrioc->ready_timeout * 10; 1615 do { 1616 ioc_state = mpi3mr_get_iocstate(mrioc); 1617 if (ioc_state == MRIOC_STATE_READY) { 1618 ioc_info(mrioc, 1619 "successfully transitioned to %s state\n", 1620 mpi3mr_iocstate_name(ioc_state)); 1621 return 0; 1622 } 1623 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1624 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) || 1625 (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) { 1626 mpi3mr_print_fault_info(mrioc); 1627 goto out_failed; 1628 } 1629 if (!pci_device_is_present(mrioc->pdev)) { 1630 mrioc->unrecoverable = 1; 1631 ioc_err(mrioc, 1632 "controller is not present at the bringup\n"); 1633 retval = -1; 1634 goto out_device_not_present; 1635 } 1636 msleep(100); 1637 elapsed_time_sec = jiffies_to_msecs(jiffies - start_time)/1000; 1638 } while (elapsed_time_sec < mrioc->ready_timeout); 1639 1640 out_failed: 1641 elapsed_time_sec = jiffies_to_msecs(jiffies - start_time)/1000; 1642 if ((retry < 2) && (elapsed_time_sec < (mrioc->ready_timeout - 60))) { 1643 retry++; 1644 1645 ioc_warn(mrioc, "retrying to bring IOC ready, retry_count:%d\n" 1646 " elapsed time =%llu\n", retry, elapsed_time_sec); 1647 1648 goto retry_bring_ioc_ready; 1649 } 1650 ioc_state = mpi3mr_get_iocstate(mrioc); 1651 ioc_err(mrioc, 1652 "failed to bring to ready state, current state: %s\n", 1653 mpi3mr_iocstate_name(ioc_state)); 1654 out_device_not_present: 1655 return retval; 1656 } 1657 1658 /** 1659 * mpi3mr_soft_reset_success - Check softreset is success or not 1660 * @ioc_status: IOC status register value 1661 * @ioc_config: IOC config register value 1662 * 1663 * Check whether the soft reset is successful or not based on 1664 * IOC status and IOC config register values. 1665 * 1666 * Return: True when the soft reset is success, false otherwise. 1667 */ 1668 static inline bool 1669 mpi3mr_soft_reset_success(u32 ioc_status, u32 ioc_config) 1670 { 1671 if (!((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) || 1672 (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC))) 1673 return true; 1674 return false; 1675 } 1676 1677 /** 1678 * mpi3mr_diagfault_success - Check diag fault is success or not 1679 * @mrioc: Adapter reference 1680 * @ioc_status: IOC status register value 1681 * 1682 * Check whether the controller hit diag reset fault code. 1683 * 1684 * Return: True when there is diag fault, false otherwise. 1685 */ 1686 static inline bool mpi3mr_diagfault_success(struct mpi3mr_ioc *mrioc, 1687 u32 ioc_status) 1688 { 1689 u32 fault; 1690 1691 if (!(ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) 1692 return false; 1693 fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK; 1694 if (fault == MPI3_SYSIF_FAULT_CODE_DIAG_FAULT_RESET) { 1695 mpi3mr_print_fault_info(mrioc); 1696 return true; 1697 } 1698 return false; 1699 } 1700 1701 /** 1702 * mpi3mr_set_diagsave - Set diag save bit for snapdump 1703 * @mrioc: Adapter reference 1704 * 1705 * Set diag save bit in IOC configuration register to enable 1706 * snapdump. 1707 * 1708 * Return: Nothing. 1709 */ 1710 static inline void mpi3mr_set_diagsave(struct mpi3mr_ioc *mrioc) 1711 { 1712 u32 ioc_config; 1713 1714 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1715 ioc_config |= MPI3_SYSIF_IOC_CONFIG_DIAG_SAVE; 1716 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration); 1717 } 1718 1719 /** 1720 * mpi3mr_issue_reset - Issue reset to the controller 1721 * @mrioc: Adapter reference 1722 * @reset_type: Reset type 1723 * @reset_reason: Reset reason code 1724 * 1725 * Unlock the host diagnostic registers and write the specific 1726 * reset type to that, wait for reset acknowledgment from the 1727 * controller, if the reset is not successful retry for the 1728 * predefined number of times. 1729 * 1730 * Return: 0 on success, non-zero on failure. 1731 */ 1732 static int mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, 1733 u16 reset_reason) 1734 { 1735 int retval = -1; 1736 u8 unlock_retry_count = 0; 1737 u32 host_diagnostic, ioc_status, ioc_config, scratch_pad0; 1738 u32 timeout = MPI3MR_RESET_ACK_TIMEOUT * 10; 1739 1740 if ((reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET) && 1741 (reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT)) 1742 return retval; 1743 if (mrioc->unrecoverable) 1744 return retval; 1745 if (reset_reason == MPI3MR_RESET_FROM_FIRMWARE) { 1746 retval = 0; 1747 return retval; 1748 } 1749 1750 ioc_info(mrioc, "%s reset due to %s(0x%x)\n", 1751 mpi3mr_reset_type_name(reset_type), 1752 mpi3mr_reset_rc_name(reset_reason), reset_reason); 1753 1754 mpi3mr_clear_reset_history(mrioc); 1755 do { 1756 ioc_info(mrioc, 1757 "Write magic sequence to unlock host diag register (retry=%d)\n", 1758 ++unlock_retry_count); 1759 if (unlock_retry_count >= MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT) { 1760 ioc_err(mrioc, 1761 "%s reset failed due to unlock failure, host_diagnostic(0x%08x)\n", 1762 mpi3mr_reset_type_name(reset_type), 1763 host_diagnostic); 1764 mrioc->unrecoverable = 1; 1765 return retval; 1766 } 1767 1768 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_FLUSH, 1769 &mrioc->sysif_regs->write_sequence); 1770 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_1ST, 1771 &mrioc->sysif_regs->write_sequence); 1772 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND, 1773 &mrioc->sysif_regs->write_sequence); 1774 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_3RD, 1775 &mrioc->sysif_regs->write_sequence); 1776 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_4TH, 1777 &mrioc->sysif_regs->write_sequence); 1778 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_5TH, 1779 &mrioc->sysif_regs->write_sequence); 1780 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_6TH, 1781 &mrioc->sysif_regs->write_sequence); 1782 usleep_range(1000, 1100); 1783 host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic); 1784 ioc_info(mrioc, 1785 "wrote magic sequence: retry_count(%d), host_diagnostic(0x%08x)\n", 1786 unlock_retry_count, host_diagnostic); 1787 } while (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_DIAG_WRITE_ENABLE)); 1788 1789 scratch_pad0 = ((MPI3MR_RESET_REASON_OSTYPE_LINUX << 1790 MPI3MR_RESET_REASON_OSTYPE_SHIFT) | (mrioc->facts.ioc_num << 1791 MPI3MR_RESET_REASON_IOCNUM_SHIFT) | reset_reason); 1792 writel(scratch_pad0, &mrioc->sysif_regs->scratchpad[0]); 1793 if (reset_type == MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT) 1794 mpi3mr_set_diagsave(mrioc); 1795 writel(host_diagnostic | reset_type, 1796 &mrioc->sysif_regs->host_diagnostic); 1797 switch (reset_type) { 1798 case MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET: 1799 do { 1800 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1801 ioc_config = 1802 readl(&mrioc->sysif_regs->ioc_configuration); 1803 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) 1804 && mpi3mr_soft_reset_success(ioc_status, ioc_config) 1805 ) { 1806 mpi3mr_clear_reset_history(mrioc); 1807 retval = 0; 1808 break; 1809 } 1810 msleep(100); 1811 } while (--timeout); 1812 mpi3mr_print_fault_info(mrioc); 1813 break; 1814 case MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT: 1815 do { 1816 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1817 if (mpi3mr_diagfault_success(mrioc, ioc_status)) { 1818 retval = 0; 1819 break; 1820 } 1821 msleep(100); 1822 } while (--timeout); 1823 break; 1824 default: 1825 break; 1826 } 1827 1828 writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND, 1829 &mrioc->sysif_regs->write_sequence); 1830 1831 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 1832 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 1833 ioc_info(mrioc, 1834 "ioc_status/ioc_config after %s reset is (0x%08x)/(0x%08x)\n", 1835 (!retval)?"successful":"failed", ioc_status, 1836 ioc_config); 1837 if (retval) 1838 mrioc->unrecoverable = 1; 1839 return retval; 1840 } 1841 1842 /** 1843 * mpi3mr_admin_request_post - Post request to admin queue 1844 * @mrioc: Adapter reference 1845 * @admin_req: MPI3 request 1846 * @admin_req_sz: Request size 1847 * @ignore_reset: Ignore reset in process 1848 * 1849 * Post the MPI3 request into admin request queue and 1850 * inform the controller, if the queue is full return 1851 * appropriate error. 1852 * 1853 * Return: 0 on success, non-zero on failure. 1854 */ 1855 int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req, 1856 u16 admin_req_sz, u8 ignore_reset) 1857 { 1858 u16 areq_pi = 0, areq_ci = 0, max_entries = 0; 1859 int retval = 0; 1860 unsigned long flags; 1861 u8 *areq_entry; 1862 1863 if (mrioc->unrecoverable) { 1864 ioc_err(mrioc, "%s : Unrecoverable controller\n", __func__); 1865 return -EFAULT; 1866 } 1867 1868 spin_lock_irqsave(&mrioc->admin_req_lock, flags); 1869 areq_pi = mrioc->admin_req_pi; 1870 areq_ci = mrioc->admin_req_ci; 1871 max_entries = mrioc->num_admin_req; 1872 if ((areq_ci == (areq_pi + 1)) || ((!areq_ci) && 1873 (areq_pi == (max_entries - 1)))) { 1874 ioc_err(mrioc, "AdminReqQ full condition detected\n"); 1875 retval = -EAGAIN; 1876 goto out; 1877 } 1878 if (!ignore_reset && mrioc->reset_in_progress) { 1879 ioc_err(mrioc, "AdminReqQ submit reset in progress\n"); 1880 retval = -EAGAIN; 1881 goto out; 1882 } 1883 if (mrioc->pci_err_recovery) { 1884 ioc_err(mrioc, "admin request queue submission failed due to pci error recovery in progress\n"); 1885 retval = -EAGAIN; 1886 goto out; 1887 } 1888 1889 areq_entry = (u8 *)mrioc->admin_req_base + 1890 (areq_pi * MPI3MR_ADMIN_REQ_FRAME_SZ); 1891 memset(areq_entry, 0, MPI3MR_ADMIN_REQ_FRAME_SZ); 1892 memcpy(areq_entry, (u8 *)admin_req, admin_req_sz); 1893 1894 if (++areq_pi == max_entries) 1895 areq_pi = 0; 1896 mrioc->admin_req_pi = areq_pi; 1897 1898 writel(mrioc->admin_req_pi, &mrioc->sysif_regs->admin_request_queue_pi); 1899 1900 out: 1901 spin_unlock_irqrestore(&mrioc->admin_req_lock, flags); 1902 1903 return retval; 1904 } 1905 1906 /** 1907 * mpi3mr_free_op_req_q_segments - free request memory segments 1908 * @mrioc: Adapter instance reference 1909 * @q_idx: operational request queue index 1910 * 1911 * Free memory segments allocated for operational request queue 1912 * 1913 * Return: Nothing. 1914 */ 1915 static void mpi3mr_free_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx) 1916 { 1917 u16 j; 1918 int size; 1919 struct segments *segments; 1920 1921 segments = mrioc->req_qinfo[q_idx].q_segments; 1922 if (!segments) 1923 return; 1924 1925 if (mrioc->enable_segqueue) { 1926 size = MPI3MR_OP_REQ_Q_SEG_SIZE; 1927 if (mrioc->req_qinfo[q_idx].q_segment_list) { 1928 dma_free_coherent(&mrioc->pdev->dev, 1929 MPI3MR_MAX_SEG_LIST_SIZE, 1930 mrioc->req_qinfo[q_idx].q_segment_list, 1931 mrioc->req_qinfo[q_idx].q_segment_list_dma); 1932 mrioc->req_qinfo[q_idx].q_segment_list = NULL; 1933 } 1934 } else 1935 size = mrioc->req_qinfo[q_idx].segment_qd * 1936 mrioc->facts.op_req_sz; 1937 1938 for (j = 0; j < mrioc->req_qinfo[q_idx].num_segments; j++) { 1939 if (!segments[j].segment) 1940 continue; 1941 dma_free_coherent(&mrioc->pdev->dev, 1942 size, segments[j].segment, segments[j].segment_dma); 1943 segments[j].segment = NULL; 1944 } 1945 kfree(mrioc->req_qinfo[q_idx].q_segments); 1946 mrioc->req_qinfo[q_idx].q_segments = NULL; 1947 mrioc->req_qinfo[q_idx].qid = 0; 1948 } 1949 1950 /** 1951 * mpi3mr_free_op_reply_q_segments - free reply memory segments 1952 * @mrioc: Adapter instance reference 1953 * @q_idx: operational reply queue index 1954 * 1955 * Free memory segments allocated for operational reply queue 1956 * 1957 * Return: Nothing. 1958 */ 1959 static void mpi3mr_free_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx) 1960 { 1961 u16 j; 1962 int size; 1963 struct segments *segments; 1964 1965 segments = mrioc->op_reply_qinfo[q_idx].q_segments; 1966 if (!segments) 1967 return; 1968 1969 if (mrioc->enable_segqueue) { 1970 size = MPI3MR_OP_REP_Q_SEG_SIZE; 1971 if (mrioc->op_reply_qinfo[q_idx].q_segment_list) { 1972 dma_free_coherent(&mrioc->pdev->dev, 1973 MPI3MR_MAX_SEG_LIST_SIZE, 1974 mrioc->op_reply_qinfo[q_idx].q_segment_list, 1975 mrioc->op_reply_qinfo[q_idx].q_segment_list_dma); 1976 mrioc->op_reply_qinfo[q_idx].q_segment_list = NULL; 1977 } 1978 } else 1979 size = mrioc->op_reply_qinfo[q_idx].segment_qd * 1980 mrioc->op_reply_desc_sz; 1981 1982 for (j = 0; j < mrioc->op_reply_qinfo[q_idx].num_segments; j++) { 1983 if (!segments[j].segment) 1984 continue; 1985 dma_free_coherent(&mrioc->pdev->dev, 1986 size, segments[j].segment, segments[j].segment_dma); 1987 segments[j].segment = NULL; 1988 } 1989 1990 kfree(mrioc->op_reply_qinfo[q_idx].q_segments); 1991 mrioc->op_reply_qinfo[q_idx].q_segments = NULL; 1992 mrioc->op_reply_qinfo[q_idx].qid = 0; 1993 } 1994 1995 /** 1996 * mpi3mr_delete_op_reply_q - delete operational reply queue 1997 * @mrioc: Adapter instance reference 1998 * @qidx: operational reply queue index 1999 * 2000 * Delete operatinal reply queue by issuing MPI request 2001 * through admin queue. 2002 * 2003 * Return: 0 on success, non-zero on failure. 2004 */ 2005 static int mpi3mr_delete_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx) 2006 { 2007 struct mpi3_delete_reply_queue_request delq_req; 2008 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx; 2009 int retval = 0; 2010 u16 reply_qid = 0, midx; 2011 2012 reply_qid = op_reply_q->qid; 2013 2014 midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset); 2015 2016 if (!reply_qid) { 2017 retval = -1; 2018 ioc_err(mrioc, "Issue DelRepQ: called with invalid ReqQID\n"); 2019 goto out; 2020 } 2021 2022 (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) ? mrioc->default_qcount-- : 2023 mrioc->active_poll_qcount--; 2024 2025 memset(&delq_req, 0, sizeof(delq_req)); 2026 mutex_lock(&mrioc->init_cmds.mutex); 2027 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 2028 retval = -1; 2029 ioc_err(mrioc, "Issue DelRepQ: Init command is in use\n"); 2030 mutex_unlock(&mrioc->init_cmds.mutex); 2031 goto out; 2032 } 2033 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 2034 mrioc->init_cmds.is_waiting = 1; 2035 mrioc->init_cmds.callback = NULL; 2036 delq_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 2037 delq_req.function = MPI3_FUNCTION_DELETE_REPLY_QUEUE; 2038 delq_req.queue_id = cpu_to_le16(reply_qid); 2039 2040 init_completion(&mrioc->init_cmds.done); 2041 retval = mpi3mr_admin_request_post(mrioc, &delq_req, sizeof(delq_req), 2042 1); 2043 if (retval) { 2044 ioc_err(mrioc, "Issue DelRepQ: Admin Post failed\n"); 2045 goto out_unlock; 2046 } 2047 wait_for_completion_timeout(&mrioc->init_cmds.done, 2048 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 2049 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 2050 ioc_err(mrioc, "delete reply queue timed out\n"); 2051 mpi3mr_check_rh_fault_ioc(mrioc, 2052 MPI3MR_RESET_FROM_DELREPQ_TIMEOUT); 2053 retval = -1; 2054 goto out_unlock; 2055 } 2056 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 2057 != MPI3_IOCSTATUS_SUCCESS) { 2058 ioc_err(mrioc, 2059 "Issue DelRepQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 2060 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 2061 mrioc->init_cmds.ioc_loginfo); 2062 retval = -1; 2063 goto out_unlock; 2064 } 2065 mrioc->intr_info[midx].op_reply_q = NULL; 2066 2067 mpi3mr_free_op_reply_q_segments(mrioc, qidx); 2068 out_unlock: 2069 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 2070 mutex_unlock(&mrioc->init_cmds.mutex); 2071 out: 2072 2073 return retval; 2074 } 2075 2076 /** 2077 * mpi3mr_alloc_op_reply_q_segments -Alloc segmented reply pool 2078 * @mrioc: Adapter instance reference 2079 * @qidx: request queue index 2080 * 2081 * Allocate segmented memory pools for operational reply 2082 * queue. 2083 * 2084 * Return: 0 on success, non-zero on failure. 2085 */ 2086 static int mpi3mr_alloc_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 qidx) 2087 { 2088 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx; 2089 int i, size; 2090 u64 *q_segment_list_entry = NULL; 2091 struct segments *segments; 2092 2093 if (mrioc->enable_segqueue) { 2094 op_reply_q->segment_qd = 2095 MPI3MR_OP_REP_Q_SEG_SIZE / mrioc->op_reply_desc_sz; 2096 2097 size = MPI3MR_OP_REP_Q_SEG_SIZE; 2098 2099 op_reply_q->q_segment_list = dma_alloc_coherent(&mrioc->pdev->dev, 2100 MPI3MR_MAX_SEG_LIST_SIZE, &op_reply_q->q_segment_list_dma, 2101 GFP_KERNEL); 2102 if (!op_reply_q->q_segment_list) 2103 return -ENOMEM; 2104 q_segment_list_entry = (u64 *)op_reply_q->q_segment_list; 2105 } else { 2106 op_reply_q->segment_qd = op_reply_q->num_replies; 2107 size = op_reply_q->num_replies * mrioc->op_reply_desc_sz; 2108 } 2109 2110 op_reply_q->num_segments = DIV_ROUND_UP(op_reply_q->num_replies, 2111 op_reply_q->segment_qd); 2112 2113 op_reply_q->q_segments = kzalloc_objs(struct segments, 2114 op_reply_q->num_segments); 2115 if (!op_reply_q->q_segments) 2116 return -ENOMEM; 2117 2118 segments = op_reply_q->q_segments; 2119 for (i = 0; i < op_reply_q->num_segments; i++) { 2120 segments[i].segment = 2121 dma_alloc_coherent(&mrioc->pdev->dev, 2122 size, &segments[i].segment_dma, GFP_KERNEL); 2123 if (!segments[i].segment) 2124 return -ENOMEM; 2125 if (mrioc->enable_segqueue) 2126 q_segment_list_entry[i] = 2127 (unsigned long)segments[i].segment_dma; 2128 } 2129 2130 return 0; 2131 } 2132 2133 /** 2134 * mpi3mr_alloc_op_req_q_segments - Alloc segmented req pool. 2135 * @mrioc: Adapter instance reference 2136 * @qidx: request queue index 2137 * 2138 * Allocate segmented memory pools for operational request 2139 * queue. 2140 * 2141 * Return: 0 on success, non-zero on failure. 2142 */ 2143 static int mpi3mr_alloc_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 qidx) 2144 { 2145 struct op_req_qinfo *op_req_q = mrioc->req_qinfo + qidx; 2146 int i, size; 2147 u64 *q_segment_list_entry = NULL; 2148 struct segments *segments; 2149 2150 if (mrioc->enable_segqueue) { 2151 op_req_q->segment_qd = 2152 MPI3MR_OP_REQ_Q_SEG_SIZE / mrioc->facts.op_req_sz; 2153 2154 size = MPI3MR_OP_REQ_Q_SEG_SIZE; 2155 2156 op_req_q->q_segment_list = dma_alloc_coherent(&mrioc->pdev->dev, 2157 MPI3MR_MAX_SEG_LIST_SIZE, &op_req_q->q_segment_list_dma, 2158 GFP_KERNEL); 2159 if (!op_req_q->q_segment_list) 2160 return -ENOMEM; 2161 q_segment_list_entry = (u64 *)op_req_q->q_segment_list; 2162 2163 } else { 2164 op_req_q->segment_qd = op_req_q->num_requests; 2165 size = op_req_q->num_requests * mrioc->facts.op_req_sz; 2166 } 2167 2168 op_req_q->num_segments = DIV_ROUND_UP(op_req_q->num_requests, 2169 op_req_q->segment_qd); 2170 2171 op_req_q->q_segments = kzalloc_objs(struct segments, 2172 op_req_q->num_segments); 2173 if (!op_req_q->q_segments) 2174 return -ENOMEM; 2175 2176 segments = op_req_q->q_segments; 2177 for (i = 0; i < op_req_q->num_segments; i++) { 2178 segments[i].segment = 2179 dma_alloc_coherent(&mrioc->pdev->dev, 2180 size, &segments[i].segment_dma, GFP_KERNEL); 2181 if (!segments[i].segment) 2182 return -ENOMEM; 2183 if (mrioc->enable_segqueue) 2184 q_segment_list_entry[i] = 2185 (unsigned long)segments[i].segment_dma; 2186 } 2187 2188 return 0; 2189 } 2190 2191 /** 2192 * mpi3mr_create_op_reply_q - create operational reply queue 2193 * @mrioc: Adapter instance reference 2194 * @qidx: operational reply queue index 2195 * 2196 * Create operatinal reply queue by issuing MPI request 2197 * through admin queue. 2198 * 2199 * Return: 0 on success, non-zero on failure. 2200 */ 2201 static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx) 2202 { 2203 struct mpi3_create_reply_queue_request create_req; 2204 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx; 2205 int retval = 0; 2206 u16 reply_qid = 0, midx; 2207 2208 reply_qid = op_reply_q->qid; 2209 2210 midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset); 2211 2212 if (reply_qid) { 2213 retval = -1; 2214 ioc_err(mrioc, "CreateRepQ: called for duplicate qid %d\n", 2215 reply_qid); 2216 2217 return retval; 2218 } 2219 2220 reply_qid = qidx + 1; 2221 2222 if (mrioc->pdev->device == MPI3_MFGPAGE_DEVID_SAS4116) { 2223 if (mrioc->pdev->revision) 2224 op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD; 2225 else 2226 op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD4K; 2227 } else 2228 op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD2K; 2229 2230 op_reply_q->ci = 0; 2231 op_reply_q->ephase = 1; 2232 atomic_set(&op_reply_q->pend_ios, 0); 2233 atomic_set(&op_reply_q->in_use, 0); 2234 op_reply_q->enable_irq_poll = false; 2235 op_reply_q->qfull_watermark = 2236 op_reply_q->num_replies - (MPI3MR_THRESHOLD_REPLY_COUNT * 2); 2237 2238 if (!op_reply_q->q_segments) { 2239 retval = mpi3mr_alloc_op_reply_q_segments(mrioc, qidx); 2240 if (retval) { 2241 mpi3mr_free_op_reply_q_segments(mrioc, qidx); 2242 goto out; 2243 } 2244 } 2245 2246 memset(&create_req, 0, sizeof(create_req)); 2247 mutex_lock(&mrioc->init_cmds.mutex); 2248 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 2249 retval = -1; 2250 ioc_err(mrioc, "CreateRepQ: Init command is in use\n"); 2251 goto out_unlock; 2252 } 2253 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 2254 mrioc->init_cmds.is_waiting = 1; 2255 mrioc->init_cmds.callback = NULL; 2256 create_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 2257 create_req.function = MPI3_FUNCTION_CREATE_REPLY_QUEUE; 2258 create_req.queue_id = cpu_to_le16(reply_qid); 2259 2260 if (midx < (mrioc->intr_info_count - mrioc->requested_poll_qcount)) 2261 op_reply_q->qtype = MPI3MR_DEFAULT_QUEUE; 2262 else 2263 op_reply_q->qtype = MPI3MR_POLL_QUEUE; 2264 2265 if (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) { 2266 create_req.flags = 2267 MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_ENABLE; 2268 create_req.msix_index = 2269 cpu_to_le16(mrioc->intr_info[midx].msix_index); 2270 } else { 2271 create_req.msix_index = cpu_to_le16(mrioc->intr_info_count - 1); 2272 ioc_info(mrioc, "create reply queue(polled): for qid(%d), midx(%d)\n", 2273 reply_qid, midx); 2274 if (!mrioc->active_poll_qcount) 2275 disable_irq_nosync(pci_irq_vector(mrioc->pdev, 2276 mrioc->intr_info_count - 1)); 2277 } 2278 2279 if (mrioc->enable_segqueue) { 2280 create_req.flags |= 2281 MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED; 2282 create_req.base_address = cpu_to_le64( 2283 op_reply_q->q_segment_list_dma); 2284 } else 2285 create_req.base_address = cpu_to_le64( 2286 op_reply_q->q_segments[0].segment_dma); 2287 2288 create_req.size = cpu_to_le16(op_reply_q->num_replies); 2289 2290 init_completion(&mrioc->init_cmds.done); 2291 retval = mpi3mr_admin_request_post(mrioc, &create_req, 2292 sizeof(create_req), 1); 2293 if (retval) { 2294 ioc_err(mrioc, "CreateRepQ: Admin Post failed\n"); 2295 goto out_unlock; 2296 } 2297 wait_for_completion_timeout(&mrioc->init_cmds.done, 2298 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 2299 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 2300 ioc_err(mrioc, "create reply queue timed out\n"); 2301 mpi3mr_check_rh_fault_ioc(mrioc, 2302 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT); 2303 retval = -1; 2304 goto out_unlock; 2305 } 2306 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 2307 != MPI3_IOCSTATUS_SUCCESS) { 2308 ioc_err(mrioc, 2309 "CreateRepQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 2310 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 2311 mrioc->init_cmds.ioc_loginfo); 2312 retval = -1; 2313 goto out_unlock; 2314 } 2315 op_reply_q->qid = reply_qid; 2316 if (midx < mrioc->intr_info_count) 2317 mrioc->intr_info[midx].op_reply_q = op_reply_q; 2318 2319 (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) ? mrioc->default_qcount++ : 2320 mrioc->active_poll_qcount++; 2321 2322 out_unlock: 2323 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 2324 mutex_unlock(&mrioc->init_cmds.mutex); 2325 out: 2326 2327 return retval; 2328 } 2329 2330 /** 2331 * mpi3mr_create_op_req_q - create operational request queue 2332 * @mrioc: Adapter instance reference 2333 * @idx: operational request queue index 2334 * @reply_qid: Reply queue ID 2335 * 2336 * Create operatinal request queue by issuing MPI request 2337 * through admin queue. 2338 * 2339 * Return: 0 on success, non-zero on failure. 2340 */ 2341 static int mpi3mr_create_op_req_q(struct mpi3mr_ioc *mrioc, u16 idx, 2342 u16 reply_qid) 2343 { 2344 struct mpi3_create_request_queue_request create_req; 2345 struct op_req_qinfo *op_req_q = mrioc->req_qinfo + idx; 2346 int retval = 0; 2347 u16 req_qid = 0; 2348 2349 req_qid = op_req_q->qid; 2350 2351 if (req_qid) { 2352 retval = -1; 2353 ioc_err(mrioc, "CreateReqQ: called for duplicate qid %d\n", 2354 req_qid); 2355 2356 return retval; 2357 } 2358 req_qid = idx + 1; 2359 2360 op_req_q->num_requests = MPI3MR_OP_REQ_Q_QD; 2361 op_req_q->ci = 0; 2362 op_req_q->pi = 0; 2363 op_req_q->reply_qid = reply_qid; 2364 spin_lock_init(&op_req_q->q_lock); 2365 2366 if (!op_req_q->q_segments) { 2367 retval = mpi3mr_alloc_op_req_q_segments(mrioc, idx); 2368 if (retval) { 2369 mpi3mr_free_op_req_q_segments(mrioc, idx); 2370 goto out; 2371 } 2372 } 2373 2374 memset(&create_req, 0, sizeof(create_req)); 2375 mutex_lock(&mrioc->init_cmds.mutex); 2376 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 2377 retval = -1; 2378 ioc_err(mrioc, "CreateReqQ: Init command is in use\n"); 2379 goto out_unlock; 2380 } 2381 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 2382 mrioc->init_cmds.is_waiting = 1; 2383 mrioc->init_cmds.callback = NULL; 2384 create_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 2385 create_req.function = MPI3_FUNCTION_CREATE_REQUEST_QUEUE; 2386 create_req.queue_id = cpu_to_le16(req_qid); 2387 if (mrioc->enable_segqueue) { 2388 create_req.flags = 2389 MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED; 2390 create_req.base_address = cpu_to_le64( 2391 op_req_q->q_segment_list_dma); 2392 } else 2393 create_req.base_address = cpu_to_le64( 2394 op_req_q->q_segments[0].segment_dma); 2395 create_req.reply_queue_id = cpu_to_le16(reply_qid); 2396 create_req.size = cpu_to_le16(op_req_q->num_requests); 2397 2398 init_completion(&mrioc->init_cmds.done); 2399 retval = mpi3mr_admin_request_post(mrioc, &create_req, 2400 sizeof(create_req), 1); 2401 if (retval) { 2402 ioc_err(mrioc, "CreateReqQ: Admin Post failed\n"); 2403 goto out_unlock; 2404 } 2405 wait_for_completion_timeout(&mrioc->init_cmds.done, 2406 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 2407 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 2408 ioc_err(mrioc, "create request queue timed out\n"); 2409 mpi3mr_check_rh_fault_ioc(mrioc, 2410 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT); 2411 retval = -1; 2412 goto out_unlock; 2413 } 2414 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 2415 != MPI3_IOCSTATUS_SUCCESS) { 2416 ioc_err(mrioc, 2417 "CreateReqQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 2418 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 2419 mrioc->init_cmds.ioc_loginfo); 2420 retval = -1; 2421 goto out_unlock; 2422 } 2423 op_req_q->qid = req_qid; 2424 2425 out_unlock: 2426 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 2427 mutex_unlock(&mrioc->init_cmds.mutex); 2428 out: 2429 2430 return retval; 2431 } 2432 2433 /** 2434 * mpi3mr_create_op_queues - create operational queue pairs 2435 * @mrioc: Adapter instance reference 2436 * 2437 * Allocate memory for operational queue meta data and call 2438 * create request and reply queue functions. 2439 * 2440 * Return: 0 on success, non-zero on failures. 2441 */ 2442 static int mpi3mr_create_op_queues(struct mpi3mr_ioc *mrioc) 2443 { 2444 int retval = 0; 2445 u16 num_queues = 0, i = 0, msix_count_op_q = 1; 2446 u32 ioc_status; 2447 enum mpi3mr_iocstate ioc_state; 2448 2449 num_queues = min_t(int, mrioc->facts.max_op_reply_q, 2450 mrioc->facts.max_op_req_q); 2451 2452 msix_count_op_q = 2453 mrioc->intr_info_count - mrioc->op_reply_q_offset; 2454 if (!mrioc->num_queues) 2455 mrioc->num_queues = min_t(int, num_queues, msix_count_op_q); 2456 /* 2457 * During reset set the num_queues to the number of queues 2458 * that was set before the reset. 2459 */ 2460 num_queues = mrioc->num_op_reply_q ? 2461 mrioc->num_op_reply_q : mrioc->num_queues; 2462 ioc_info(mrioc, "trying to create %d operational queue pairs\n", 2463 num_queues); 2464 2465 if (!mrioc->req_qinfo) { 2466 mrioc->req_qinfo = kzalloc_objs(struct op_req_qinfo, num_queues); 2467 if (!mrioc->req_qinfo) { 2468 retval = -1; 2469 goto out_failed; 2470 } 2471 2472 mrioc->op_reply_qinfo = kzalloc(sizeof(struct op_reply_qinfo) * 2473 num_queues, GFP_KERNEL); 2474 if (!mrioc->op_reply_qinfo) { 2475 retval = -1; 2476 goto out_failed; 2477 } 2478 } 2479 2480 if (mrioc->enable_segqueue) 2481 ioc_info(mrioc, 2482 "allocating operational queues through segmented queues\n"); 2483 2484 for (i = 0; i < num_queues; i++) { 2485 if (mpi3mr_create_op_reply_q(mrioc, i)) { 2486 ioc_err(mrioc, "Cannot create OP RepQ %d\n", i); 2487 break; 2488 } 2489 if (mpi3mr_create_op_req_q(mrioc, i, 2490 mrioc->op_reply_qinfo[i].qid)) { 2491 ioc_err(mrioc, "Cannot create OP ReqQ %d\n", i); 2492 mpi3mr_delete_op_reply_q(mrioc, i); 2493 break; 2494 } 2495 } 2496 2497 if (i == 0) { 2498 /* Not even one queue is created successfully*/ 2499 retval = -1; 2500 goto out_failed; 2501 } 2502 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 2503 ioc_state = mpi3mr_get_iocstate(mrioc); 2504 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) || 2505 ioc_state != MRIOC_STATE_READY) { 2506 mpi3mr_print_fault_info(mrioc); 2507 retval = -1; 2508 goto out_failed; 2509 } 2510 mrioc->num_op_reply_q = mrioc->num_op_req_q = i; 2511 ioc_info(mrioc, 2512 "successfully created %d operational queue pairs(default/polled) queue = (%d/%d)\n", 2513 mrioc->num_op_reply_q, mrioc->default_qcount, 2514 mrioc->active_poll_qcount); 2515 2516 return retval; 2517 out_failed: 2518 kfree(mrioc->req_qinfo); 2519 mrioc->req_qinfo = NULL; 2520 2521 kfree(mrioc->op_reply_qinfo); 2522 mrioc->op_reply_qinfo = NULL; 2523 2524 return retval; 2525 } 2526 2527 /** 2528 * mpi3mr_op_request_post - Post request to operational queue 2529 * @mrioc: Adapter reference 2530 * @op_req_q: Operational request queue info 2531 * @req: MPI3 request 2532 * 2533 * Post the MPI3 request into operational request queue and 2534 * inform the controller, if the queue is full return 2535 * appropriate error. 2536 * 2537 * Return: 0 on success, non-zero on failure. 2538 */ 2539 int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc, 2540 struct op_req_qinfo *op_req_q, u8 *req) 2541 { 2542 u16 pi = 0, max_entries, reply_qidx = 0, midx; 2543 int retval = 0; 2544 unsigned long flags; 2545 u8 *req_entry; 2546 void *segment_base_addr; 2547 u16 req_sz = mrioc->facts.op_req_sz; 2548 struct segments *segments = op_req_q->q_segments; 2549 struct op_reply_qinfo *op_reply_q = NULL; 2550 2551 reply_qidx = op_req_q->reply_qid - 1; 2552 op_reply_q = mrioc->op_reply_qinfo + reply_qidx; 2553 2554 if (mrioc->unrecoverable) 2555 return -EFAULT; 2556 2557 spin_lock_irqsave(&op_req_q->q_lock, flags); 2558 pi = op_req_q->pi; 2559 max_entries = op_req_q->num_requests; 2560 2561 if (mpi3mr_check_req_qfull(op_req_q)) { 2562 midx = REPLY_QUEUE_IDX_TO_MSIX_IDX( 2563 reply_qidx, mrioc->op_reply_q_offset); 2564 mpi3mr_process_op_reply_q(mrioc, mrioc->intr_info[midx].op_reply_q); 2565 2566 if (mpi3mr_check_req_qfull(op_req_q)) { 2567 retval = -EAGAIN; 2568 goto out; 2569 } 2570 } 2571 2572 if (mrioc->reset_in_progress) { 2573 ioc_err(mrioc, "OpReqQ submit reset in progress\n"); 2574 retval = -EAGAIN; 2575 goto out; 2576 } 2577 if (mrioc->pci_err_recovery) { 2578 ioc_err(mrioc, "operational request queue submission failed due to pci error recovery in progress\n"); 2579 retval = -EAGAIN; 2580 goto out; 2581 } 2582 2583 /* Reply queue is nearing to get full, push back IOs to SML */ 2584 if ((mrioc->prevent_reply_qfull == true) && 2585 (atomic_read(&op_reply_q->pend_ios) > 2586 (op_reply_q->qfull_watermark))) { 2587 atomic_inc(&mrioc->reply_qfull_count); 2588 retval = -EAGAIN; 2589 goto out; 2590 } 2591 2592 segment_base_addr = segments[pi / op_req_q->segment_qd].segment; 2593 req_entry = (u8 *)segment_base_addr + 2594 ((pi % op_req_q->segment_qd) * req_sz); 2595 2596 memset(req_entry, 0, req_sz); 2597 memcpy(req_entry, req, MPI3MR_ADMIN_REQ_FRAME_SZ); 2598 2599 if (++pi == max_entries) 2600 pi = 0; 2601 op_req_q->pi = pi; 2602 2603 #ifndef CONFIG_PREEMPT_RT 2604 if (atomic_inc_return(&mrioc->op_reply_qinfo[reply_qidx].pend_ios) 2605 > MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT) 2606 mrioc->op_reply_qinfo[reply_qidx].enable_irq_poll = true; 2607 #else 2608 atomic_inc_return(&mrioc->op_reply_qinfo[reply_qidx].pend_ios); 2609 #endif 2610 2611 writel(op_req_q->pi, 2612 &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].producer_index); 2613 2614 out: 2615 spin_unlock_irqrestore(&op_req_q->q_lock, flags); 2616 return retval; 2617 } 2618 2619 /** 2620 * mpi3mr_check_rh_fault_ioc - check reset history and fault 2621 * controller 2622 * @mrioc: Adapter instance reference 2623 * @reason_code: reason code for the fault. 2624 * 2625 * This routine will save snapdump and fault the controller with 2626 * the given reason code if it is not already in the fault or 2627 * not asynchronosuly reset. This will be used to handle 2628 * initilaization time faults/resets/timeout as in those cases 2629 * immediate soft reset invocation is not required. 2630 * 2631 * Return: None. 2632 */ 2633 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code) 2634 { 2635 u32 ioc_status, host_diagnostic, timeout; 2636 union mpi3mr_trigger_data trigger_data; 2637 2638 if (mrioc->unrecoverable) { 2639 ioc_err(mrioc, "controller is unrecoverable\n"); 2640 return; 2641 } 2642 2643 if (!pci_device_is_present(mrioc->pdev)) { 2644 mrioc->unrecoverable = 1; 2645 ioc_err(mrioc, "controller is not present\n"); 2646 return; 2647 } 2648 memset(&trigger_data, 0, sizeof(trigger_data)); 2649 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 2650 2651 if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) { 2652 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 2653 MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0); 2654 return; 2655 } else if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) { 2656 trigger_data.fault = (readl(&mrioc->sysif_regs->fault) & 2657 MPI3_SYSIF_FAULT_CODE_MASK); 2658 2659 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 2660 MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0); 2661 mpi3mr_print_fault_info(mrioc); 2662 mpi3mr_save_fault_info(mrioc); 2663 mrioc->fault_during_init = 1; 2664 mrioc->fwfault_counter++; 2665 return; 2666 } 2667 2668 mpi3mr_set_diagsave(mrioc); 2669 mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, 2670 reason_code); 2671 trigger_data.fault = (readl(&mrioc->sysif_regs->fault) & 2672 MPI3_SYSIF_FAULT_CODE_MASK); 2673 mpi3mr_set_trigger_data_in_all_hdb(mrioc, MPI3MR_HDB_TRIGGER_TYPE_FAULT, 2674 &trigger_data, 0); 2675 timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10; 2676 do { 2677 host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic); 2678 if (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS)) 2679 break; 2680 msleep(100); 2681 } while (--timeout); 2682 2683 mpi3mr_save_fault_info(mrioc); 2684 mrioc->fault_during_init = 1; 2685 mrioc->fwfault_counter++; 2686 } 2687 2688 /** 2689 * mpi3mr_sync_timestamp - Issue time stamp sync request 2690 * @mrioc: Adapter reference 2691 * 2692 * Issue IO unit control MPI request to synchornize firmware 2693 * timestamp with host time. 2694 * 2695 * Return: 0 on success, non-zero on failure. 2696 */ 2697 static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc) 2698 { 2699 ktime_t current_time; 2700 struct mpi3_iounit_control_request iou_ctrl; 2701 int retval = 0; 2702 2703 memset(&iou_ctrl, 0, sizeof(iou_ctrl)); 2704 mutex_lock(&mrioc->init_cmds.mutex); 2705 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 2706 retval = -1; 2707 ioc_err(mrioc, "Issue IOUCTL time_stamp: command is in use\n"); 2708 mutex_unlock(&mrioc->init_cmds.mutex); 2709 goto out; 2710 } 2711 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 2712 mrioc->init_cmds.is_waiting = 1; 2713 mrioc->init_cmds.callback = NULL; 2714 iou_ctrl.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 2715 iou_ctrl.function = MPI3_FUNCTION_IO_UNIT_CONTROL; 2716 iou_ctrl.operation = MPI3_CTRL_OP_UPDATE_TIMESTAMP; 2717 current_time = ktime_get_real(); 2718 iou_ctrl.param64[0] = cpu_to_le64(ktime_to_ms(current_time)); 2719 2720 init_completion(&mrioc->init_cmds.done); 2721 retval = mpi3mr_admin_request_post(mrioc, &iou_ctrl, 2722 sizeof(iou_ctrl), 0); 2723 if (retval) { 2724 ioc_err(mrioc, "Issue IOUCTL time_stamp: Admin Post failed\n"); 2725 goto out_unlock; 2726 } 2727 2728 wait_for_completion_timeout(&mrioc->init_cmds.done, 2729 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 2730 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 2731 ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n"); 2732 mrioc->init_cmds.is_waiting = 0; 2733 if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET)) 2734 mpi3mr_check_rh_fault_ioc(mrioc, 2735 MPI3MR_RESET_FROM_TSU_TIMEOUT); 2736 retval = -1; 2737 goto out_unlock; 2738 } 2739 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 2740 != MPI3_IOCSTATUS_SUCCESS) { 2741 ioc_err(mrioc, 2742 "Issue IOUCTL time_stamp: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 2743 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 2744 mrioc->init_cmds.ioc_loginfo); 2745 retval = -1; 2746 goto out_unlock; 2747 } 2748 2749 out_unlock: 2750 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 2751 mutex_unlock(&mrioc->init_cmds.mutex); 2752 2753 out: 2754 return retval; 2755 } 2756 2757 /** 2758 * mpi3mr_print_pkg_ver - display controller fw package version 2759 * @mrioc: Adapter reference 2760 * 2761 * Retrieve firmware package version from the component image 2762 * header of the controller flash and display it. 2763 * 2764 * Return: 0 on success and non-zero on failure. 2765 */ 2766 static int mpi3mr_print_pkg_ver(struct mpi3mr_ioc *mrioc) 2767 { 2768 struct mpi3_ci_upload_request ci_upload; 2769 int retval = -1; 2770 void *data = NULL; 2771 dma_addr_t data_dma; 2772 struct mpi3_ci_manifest_mpi *manifest; 2773 u32 data_len = sizeof(struct mpi3_ci_manifest_mpi); 2774 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST; 2775 2776 data = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma, 2777 GFP_KERNEL); 2778 if (!data) 2779 return -ENOMEM; 2780 2781 memset(&ci_upload, 0, sizeof(ci_upload)); 2782 mutex_lock(&mrioc->init_cmds.mutex); 2783 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 2784 ioc_err(mrioc, "sending get package version failed due to command in use\n"); 2785 mutex_unlock(&mrioc->init_cmds.mutex); 2786 goto out; 2787 } 2788 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 2789 mrioc->init_cmds.is_waiting = 1; 2790 mrioc->init_cmds.callback = NULL; 2791 ci_upload.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 2792 ci_upload.function = MPI3_FUNCTION_CI_UPLOAD; 2793 ci_upload.msg_flags = MPI3_CI_UPLOAD_MSGFLAGS_LOCATION_PRIMARY; 2794 ci_upload.signature1 = cpu_to_le32(MPI3_IMAGE_HEADER_SIGNATURE1_MANIFEST); 2795 ci_upload.image_offset = cpu_to_le32(MPI3_IMAGE_HEADER_SIZE); 2796 ci_upload.segment_size = cpu_to_le32(data_len); 2797 2798 mpi3mr_add_sg_single(&ci_upload.sgl, sgl_flags, data_len, 2799 data_dma); 2800 init_completion(&mrioc->init_cmds.done); 2801 retval = mpi3mr_admin_request_post(mrioc, &ci_upload, 2802 sizeof(ci_upload), 1); 2803 if (retval) { 2804 ioc_err(mrioc, "posting get package version failed\n"); 2805 goto out_unlock; 2806 } 2807 wait_for_completion_timeout(&mrioc->init_cmds.done, 2808 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 2809 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 2810 ioc_err(mrioc, "get package version timed out\n"); 2811 mpi3mr_check_rh_fault_ioc(mrioc, 2812 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT); 2813 retval = -1; 2814 goto out_unlock; 2815 } 2816 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 2817 == MPI3_IOCSTATUS_SUCCESS) { 2818 manifest = (struct mpi3_ci_manifest_mpi *) data; 2819 if (manifest->manifest_type == MPI3_CI_MANIFEST_TYPE_MPI) { 2820 ioc_info(mrioc, 2821 "firmware package version(%d.%d.%d.%d.%05d-%05d)\n", 2822 manifest->package_version.gen_major, 2823 manifest->package_version.gen_minor, 2824 manifest->package_version.phase_major, 2825 manifest->package_version.phase_minor, 2826 manifest->package_version.customer_id, 2827 manifest->package_version.build_num); 2828 } 2829 } 2830 retval = 0; 2831 out_unlock: 2832 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 2833 mutex_unlock(&mrioc->init_cmds.mutex); 2834 2835 out: 2836 if (data) 2837 dma_free_coherent(&mrioc->pdev->dev, data_len, data, 2838 data_dma); 2839 return retval; 2840 } 2841 2842 /** 2843 * mpi3mr_watchdog_work - watchdog thread to monitor faults 2844 * @work: work struct 2845 * 2846 * Watch dog work periodically executed (1 second interval) to 2847 * monitor firmware fault and to issue periodic timer sync to 2848 * the firmware. 2849 * 2850 * Return: Nothing. 2851 */ 2852 static void mpi3mr_watchdog_work(struct work_struct *work) 2853 { 2854 struct mpi3mr_ioc *mrioc = 2855 container_of(work, struct mpi3mr_ioc, watchdog_work.work); 2856 unsigned long flags; 2857 enum mpi3mr_iocstate ioc_state; 2858 u32 host_diagnostic, ioc_status; 2859 union mpi3mr_trigger_data trigger_data; 2860 u16 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH; 2861 2862 if (mrioc->fault_during_init) { 2863 mpi3mr_fault_uevent_emit(mrioc); 2864 mrioc->fault_during_init = 0; 2865 } 2866 2867 if (mrioc->reset_in_progress || mrioc->pci_err_recovery) 2868 return; 2869 2870 if (!mrioc->unrecoverable && !pci_device_is_present(mrioc->pdev)) { 2871 ioc_err(mrioc, "watchdog could not detect the controller\n"); 2872 mrioc->unrecoverable = 1; 2873 } 2874 2875 if (mrioc->unrecoverable) { 2876 ioc_err(mrioc, 2877 "flush pending commands for unrecoverable controller\n"); 2878 mpi3mr_flush_cmds_for_unrecovered_controller(mrioc); 2879 return; 2880 } 2881 2882 if (atomic_read(&mrioc->admin_pend_isr)) { 2883 ioc_err(mrioc, "Unprocessed admin ISR instance found\n" 2884 "flush admin replies\n"); 2885 mpi3mr_process_admin_reply_q(mrioc); 2886 } 2887 2888 if (!(mrioc->facts.ioc_capabilities & 2889 MPI3_IOCFACTS_CAPABILITY_NON_SUPERVISOR_IOC) && 2890 (mrioc->ts_update_counter++ >= mrioc->ts_update_interval)) { 2891 2892 mrioc->ts_update_counter = 0; 2893 mpi3mr_sync_timestamp(mrioc); 2894 } 2895 2896 if ((mrioc->prepare_for_reset) && 2897 ((mrioc->prepare_for_reset_timeout_counter++) >= 2898 MPI3MR_PREPARE_FOR_RESET_TIMEOUT)) { 2899 mpi3mr_soft_reset_handler(mrioc, 2900 MPI3MR_RESET_FROM_CIACTVRST_TIMER, 1); 2901 return; 2902 } 2903 2904 memset(&trigger_data, 0, sizeof(trigger_data)); 2905 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 2906 if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) { 2907 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 2908 MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0); 2909 mpi3mr_soft_reset_handler(mrioc, MPI3MR_RESET_FROM_FIRMWARE, 0); 2910 return; 2911 } 2912 2913 /*Check for fault state every one second and issue Soft reset*/ 2914 ioc_state = mpi3mr_get_iocstate(mrioc); 2915 if (ioc_state != MRIOC_STATE_FAULT) 2916 goto schedule_work; 2917 2918 trigger_data.fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK; 2919 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 2920 MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0); 2921 host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic); 2922 if (host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS) { 2923 if (!mrioc->diagsave_timeout) { 2924 mpi3mr_print_fault_info(mrioc); 2925 ioc_warn(mrioc, "diag save in progress\n"); 2926 } 2927 if ((mrioc->diagsave_timeout++) <= MPI3_SYSIF_DIAG_SAVE_TIMEOUT) 2928 goto schedule_work; 2929 } 2930 2931 mpi3mr_print_fault_info(mrioc); 2932 mrioc->diagsave_timeout = 0; 2933 2934 if (!mpi3mr_is_fault_recoverable(mrioc)) { 2935 mrioc->unrecoverable = 1; 2936 goto schedule_work; 2937 } 2938 2939 mpi3mr_save_fault_info(mrioc); 2940 mpi3mr_fault_uevent_emit(mrioc); 2941 mrioc->fwfault_counter++; 2942 2943 switch (trigger_data.fault) { 2944 case MPI3_SYSIF_FAULT_CODE_COMPLETE_RESET_NEEDED: 2945 case MPI3_SYSIF_FAULT_CODE_POWER_CYCLE_REQUIRED: 2946 ioc_warn(mrioc, 2947 "controller requires system power cycle, marking controller as unrecoverable\n"); 2948 mrioc->unrecoverable = 1; 2949 goto schedule_work; 2950 case MPI3_SYSIF_FAULT_CODE_SOFT_RESET_IN_PROGRESS: 2951 goto schedule_work; 2952 case MPI3_SYSIF_FAULT_CODE_CI_ACTIVATION_RESET: 2953 reset_reason = MPI3MR_RESET_FROM_CIACTIV_FAULT; 2954 break; 2955 default: 2956 break; 2957 } 2958 mpi3mr_soft_reset_handler(mrioc, reset_reason, 0); 2959 return; 2960 2961 schedule_work: 2962 spin_lock_irqsave(&mrioc->watchdog_lock, flags); 2963 if (mrioc->watchdog_work_q) 2964 queue_delayed_work(mrioc->watchdog_work_q, 2965 &mrioc->watchdog_work, 2966 msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL)); 2967 spin_unlock_irqrestore(&mrioc->watchdog_lock, flags); 2968 return; 2969 } 2970 2971 /** 2972 * mpi3mr_start_watchdog - Start watchdog 2973 * @mrioc: Adapter instance reference 2974 * 2975 * Create and start the watchdog thread to monitor controller 2976 * faults. 2977 * 2978 * Return: Nothing. 2979 */ 2980 void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc) 2981 { 2982 if (mrioc->watchdog_work_q) 2983 return; 2984 2985 INIT_DELAYED_WORK(&mrioc->watchdog_work, mpi3mr_watchdog_work); 2986 mrioc->watchdog_work_q = alloc_ordered_workqueue( 2987 "watchdog_%s%d", WQ_MEM_RECLAIM, mrioc->name, mrioc->id); 2988 if (!mrioc->watchdog_work_q) { 2989 ioc_err(mrioc, "%s: failed (line=%d)\n", __func__, __LINE__); 2990 return; 2991 } 2992 2993 if (mrioc->watchdog_work_q) 2994 queue_delayed_work(mrioc->watchdog_work_q, 2995 &mrioc->watchdog_work, 2996 msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL)); 2997 } 2998 2999 /** 3000 * mpi3mr_stop_watchdog - Stop watchdog 3001 * @mrioc: Adapter instance reference 3002 * 3003 * Stop the watchdog thread created to monitor controller 3004 * faults. 3005 * 3006 * Return: Nothing. 3007 */ 3008 void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc) 3009 { 3010 unsigned long flags; 3011 struct workqueue_struct *wq; 3012 3013 spin_lock_irqsave(&mrioc->watchdog_lock, flags); 3014 wq = mrioc->watchdog_work_q; 3015 mrioc->watchdog_work_q = NULL; 3016 spin_unlock_irqrestore(&mrioc->watchdog_lock, flags); 3017 if (wq) { 3018 if (!cancel_delayed_work_sync(&mrioc->watchdog_work)) 3019 flush_workqueue(wq); 3020 destroy_workqueue(wq); 3021 } 3022 } 3023 3024 /** 3025 * mpi3mr_setup_admin_qpair - Setup admin queue pair 3026 * @mrioc: Adapter instance reference 3027 * 3028 * Allocate memory for admin queue pair if required and register 3029 * the admin queue with the controller. 3030 * 3031 * Return: 0 on success, non-zero on failures. 3032 */ 3033 static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc) 3034 { 3035 int retval = 0; 3036 u32 num_admin_entries = 0; 3037 3038 mrioc->admin_req_q_sz = MPI3MR_ADMIN_REQ_Q_SIZE; 3039 mrioc->num_admin_req = mrioc->admin_req_q_sz / 3040 MPI3MR_ADMIN_REQ_FRAME_SZ; 3041 mrioc->admin_req_ci = mrioc->admin_req_pi = 0; 3042 3043 mrioc->admin_reply_q_sz = MPI3MR_ADMIN_REPLY_Q_SIZE; 3044 mrioc->num_admin_replies = mrioc->admin_reply_q_sz / 3045 MPI3MR_ADMIN_REPLY_FRAME_SZ; 3046 mrioc->admin_reply_ci = 0; 3047 mrioc->admin_reply_ephase = 1; 3048 atomic_set(&mrioc->admin_reply_q_in_use, 0); 3049 atomic_set(&mrioc->admin_pend_isr, 0); 3050 3051 if (!mrioc->admin_req_base) { 3052 mrioc->admin_req_base = dma_alloc_coherent(&mrioc->pdev->dev, 3053 mrioc->admin_req_q_sz, &mrioc->admin_req_dma, GFP_KERNEL); 3054 3055 if (!mrioc->admin_req_base) { 3056 retval = -1; 3057 goto out_failed; 3058 } 3059 3060 mrioc->admin_reply_base = dma_alloc_coherent(&mrioc->pdev->dev, 3061 mrioc->admin_reply_q_sz, &mrioc->admin_reply_dma, 3062 GFP_KERNEL); 3063 3064 if (!mrioc->admin_reply_base) { 3065 retval = -1; 3066 goto out_failed; 3067 } 3068 } 3069 3070 num_admin_entries = (mrioc->num_admin_replies << 16) | 3071 (mrioc->num_admin_req); 3072 writel(num_admin_entries, &mrioc->sysif_regs->admin_queue_num_entries); 3073 mpi3mr_writeq(mrioc->admin_req_dma, 3074 &mrioc->sysif_regs->admin_request_queue_address, 3075 &mrioc->adm_req_q_bar_writeq_lock); 3076 mpi3mr_writeq(mrioc->admin_reply_dma, 3077 &mrioc->sysif_regs->admin_reply_queue_address, 3078 &mrioc->adm_reply_q_bar_writeq_lock); 3079 writel(mrioc->admin_req_pi, &mrioc->sysif_regs->admin_request_queue_pi); 3080 writel(mrioc->admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci); 3081 return retval; 3082 3083 out_failed: 3084 3085 if (mrioc->admin_reply_base) { 3086 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_reply_q_sz, 3087 mrioc->admin_reply_base, mrioc->admin_reply_dma); 3088 mrioc->admin_reply_base = NULL; 3089 } 3090 if (mrioc->admin_req_base) { 3091 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_req_q_sz, 3092 mrioc->admin_req_base, mrioc->admin_req_dma); 3093 mrioc->admin_req_base = NULL; 3094 } 3095 return retval; 3096 } 3097 3098 /** 3099 * mpi3mr_issue_iocfacts - Send IOC Facts 3100 * @mrioc: Adapter instance reference 3101 * @facts_data: Cached IOC facts data 3102 * 3103 * Issue IOC Facts MPI request through admin queue and wait for 3104 * the completion of it or time out. 3105 * 3106 * Return: 0 on success, non-zero on failures. 3107 */ 3108 static int mpi3mr_issue_iocfacts(struct mpi3mr_ioc *mrioc, 3109 struct mpi3_ioc_facts_data *facts_data) 3110 { 3111 struct mpi3_ioc_facts_request iocfacts_req; 3112 void *data = NULL; 3113 dma_addr_t data_dma; 3114 u32 data_len = sizeof(*facts_data); 3115 int retval = 0; 3116 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST; 3117 3118 data = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma, 3119 GFP_KERNEL); 3120 3121 if (!data) { 3122 retval = -1; 3123 goto out; 3124 } 3125 3126 memset(&iocfacts_req, 0, sizeof(iocfacts_req)); 3127 mutex_lock(&mrioc->init_cmds.mutex); 3128 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 3129 retval = -1; 3130 ioc_err(mrioc, "Issue IOCFacts: Init command is in use\n"); 3131 mutex_unlock(&mrioc->init_cmds.mutex); 3132 goto out; 3133 } 3134 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 3135 mrioc->init_cmds.is_waiting = 1; 3136 mrioc->init_cmds.callback = NULL; 3137 iocfacts_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 3138 iocfacts_req.function = MPI3_FUNCTION_IOC_FACTS; 3139 3140 mpi3mr_add_sg_single(&iocfacts_req.sgl, sgl_flags, data_len, 3141 data_dma); 3142 3143 init_completion(&mrioc->init_cmds.done); 3144 retval = mpi3mr_admin_request_post(mrioc, &iocfacts_req, 3145 sizeof(iocfacts_req), 1); 3146 if (retval) { 3147 ioc_err(mrioc, "Issue IOCFacts: Admin Post failed\n"); 3148 goto out_unlock; 3149 } 3150 wait_for_completion_timeout(&mrioc->init_cmds.done, 3151 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 3152 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 3153 ioc_err(mrioc, "ioc_facts timed out\n"); 3154 mpi3mr_check_rh_fault_ioc(mrioc, 3155 MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT); 3156 retval = -1; 3157 goto out_unlock; 3158 } 3159 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 3160 != MPI3_IOCSTATUS_SUCCESS) { 3161 ioc_err(mrioc, 3162 "Issue IOCFacts: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 3163 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 3164 mrioc->init_cmds.ioc_loginfo); 3165 retval = -1; 3166 goto out_unlock; 3167 } 3168 memcpy(facts_data, (u8 *)data, data_len); 3169 mpi3mr_process_factsdata(mrioc, facts_data); 3170 out_unlock: 3171 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 3172 mutex_unlock(&mrioc->init_cmds.mutex); 3173 3174 out: 3175 if (data) 3176 dma_free_coherent(&mrioc->pdev->dev, data_len, data, data_dma); 3177 3178 return retval; 3179 } 3180 3181 /** 3182 * mpi3mr_check_reset_dma_mask - Process IOC facts data 3183 * @mrioc: Adapter instance reference 3184 * 3185 * Check whether the new DMA mask requested through IOCFacts by 3186 * firmware needs to be set, if so set it . 3187 * 3188 * Return: 0 on success, non-zero on failure. 3189 */ 3190 static inline int mpi3mr_check_reset_dma_mask(struct mpi3mr_ioc *mrioc) 3191 { 3192 struct pci_dev *pdev = mrioc->pdev; 3193 int r; 3194 u64 facts_dma_mask = DMA_BIT_MASK(mrioc->facts.dma_mask); 3195 3196 if (!mrioc->facts.dma_mask || (mrioc->dma_mask <= facts_dma_mask)) 3197 return 0; 3198 3199 ioc_info(mrioc, "Changing DMA mask from 0x%016llx to 0x%016llx\n", 3200 mrioc->dma_mask, facts_dma_mask); 3201 3202 r = dma_set_mask_and_coherent(&pdev->dev, facts_dma_mask); 3203 if (r) { 3204 ioc_err(mrioc, "Setting DMA mask to 0x%016llx failed: %d\n", 3205 facts_dma_mask, r); 3206 return r; 3207 } 3208 mrioc->dma_mask = facts_dma_mask; 3209 return r; 3210 } 3211 3212 /** 3213 * mpi3mr_process_factsdata - Process IOC facts data 3214 * @mrioc: Adapter instance reference 3215 * @facts_data: Cached IOC facts data 3216 * 3217 * Convert IOC facts data into cpu endianness and cache it in 3218 * the driver . 3219 * 3220 * Return: Nothing. 3221 */ 3222 static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc, 3223 struct mpi3_ioc_facts_data *facts_data) 3224 { 3225 u32 ioc_config, req_sz, facts_flags; 3226 3227 if ((le16_to_cpu(facts_data->ioc_facts_data_length)) != 3228 (sizeof(*facts_data) / 4)) { 3229 ioc_warn(mrioc, 3230 "IOCFactsdata length mismatch driver_sz(%zu) firmware_sz(%d)\n", 3231 sizeof(*facts_data), 3232 le16_to_cpu(facts_data->ioc_facts_data_length) * 4); 3233 } 3234 3235 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 3236 req_sz = 1 << ((ioc_config & MPI3_SYSIF_IOC_CONFIG_OPER_REQ_ENT_SZ) >> 3237 MPI3_SYSIF_IOC_CONFIG_OPER_REQ_ENT_SZ_SHIFT); 3238 if (le16_to_cpu(facts_data->ioc_request_frame_size) != (req_sz / 4)) { 3239 ioc_err(mrioc, 3240 "IOCFacts data reqFrameSize mismatch hw_size(%d) firmware_sz(%d)\n", 3241 req_sz / 4, le16_to_cpu(facts_data->ioc_request_frame_size)); 3242 } 3243 3244 memset(&mrioc->facts, 0, sizeof(mrioc->facts)); 3245 3246 facts_flags = le32_to_cpu(facts_data->flags); 3247 mrioc->facts.op_req_sz = req_sz; 3248 mrioc->op_reply_desc_sz = 1 << ((ioc_config & 3249 MPI3_SYSIF_IOC_CONFIG_OPER_RPY_ENT_SZ) >> 3250 MPI3_SYSIF_IOC_CONFIG_OPER_RPY_ENT_SZ_SHIFT); 3251 3252 mrioc->facts.ioc_num = facts_data->ioc_number; 3253 mrioc->facts.who_init = facts_data->who_init; 3254 mrioc->facts.max_msix_vectors = le16_to_cpu(facts_data->max_msix_vectors); 3255 mrioc->facts.personality = (facts_flags & 3256 MPI3_IOCFACTS_FLAGS_PERSONALITY_MASK); 3257 mrioc->facts.dma_mask = (facts_flags & 3258 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK) >> 3259 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT; 3260 mrioc->facts.dma_mask = (facts_flags & 3261 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK) >> 3262 MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT; 3263 mrioc->facts.max_req_limit = (facts_flags & 3264 MPI3_IOCFACTS_FLAGS_MAX_REQ_PER_REPLY_QUEUE_LIMIT); 3265 mrioc->facts.protocol_flags = facts_data->protocol_flags; 3266 mrioc->facts.mpi_version = le32_to_cpu(facts_data->mpi_version.word); 3267 mrioc->facts.max_reqs = le16_to_cpu(facts_data->max_outstanding_requests); 3268 mrioc->facts.product_id = le16_to_cpu(facts_data->product_id); 3269 mrioc->facts.reply_sz = le16_to_cpu(facts_data->reply_frame_size) * 4; 3270 mrioc->facts.exceptions = le16_to_cpu(facts_data->ioc_exceptions); 3271 mrioc->facts.max_perids = le16_to_cpu(facts_data->max_persistent_id); 3272 mrioc->facts.max_vds = le16_to_cpu(facts_data->max_vds); 3273 mrioc->facts.max_hpds = le16_to_cpu(facts_data->max_host_pds); 3274 mrioc->facts.max_advhpds = le16_to_cpu(facts_data->max_adv_host_pds); 3275 mrioc->facts.max_raid_pds = le16_to_cpu(facts_data->max_raid_pds); 3276 mrioc->facts.max_nvme = le16_to_cpu(facts_data->max_nvme); 3277 mrioc->facts.max_pcie_switches = 3278 le16_to_cpu(facts_data->max_pcie_switches); 3279 mrioc->facts.max_sasexpanders = 3280 le16_to_cpu(facts_data->max_sas_expanders); 3281 mrioc->facts.max_data_length = le16_to_cpu(facts_data->max_data_length); 3282 mrioc->facts.max_sasinitiators = 3283 le16_to_cpu(facts_data->max_sas_initiators); 3284 mrioc->facts.max_enclosures = le16_to_cpu(facts_data->max_enclosures); 3285 mrioc->facts.min_devhandle = le16_to_cpu(facts_data->min_dev_handle); 3286 mrioc->facts.max_devhandle = le16_to_cpu(facts_data->max_dev_handle); 3287 mrioc->facts.max_op_req_q = 3288 le16_to_cpu(facts_data->max_operational_request_queues); 3289 mrioc->facts.max_op_reply_q = 3290 le16_to_cpu(facts_data->max_operational_reply_queues); 3291 mrioc->facts.ioc_capabilities = 3292 le32_to_cpu(facts_data->ioc_capabilities); 3293 mrioc->facts.fw_ver.build_num = 3294 le16_to_cpu(facts_data->fw_version.build_num); 3295 mrioc->facts.fw_ver.cust_id = 3296 le16_to_cpu(facts_data->fw_version.customer_id); 3297 mrioc->facts.fw_ver.ph_minor = facts_data->fw_version.phase_minor; 3298 mrioc->facts.fw_ver.ph_major = facts_data->fw_version.phase_major; 3299 mrioc->facts.fw_ver.gen_minor = facts_data->fw_version.gen_minor; 3300 mrioc->facts.fw_ver.gen_major = facts_data->fw_version.gen_major; 3301 mrioc->msix_count = min_t(int, mrioc->msix_count, 3302 mrioc->facts.max_msix_vectors); 3303 mrioc->facts.sge_mod_mask = facts_data->sge_modifier_mask; 3304 mrioc->facts.sge_mod_value = facts_data->sge_modifier_value; 3305 mrioc->facts.sge_mod_shift = facts_data->sge_modifier_shift; 3306 mrioc->facts.shutdown_timeout = 3307 le16_to_cpu(facts_data->shutdown_timeout); 3308 mrioc->facts.diag_trace_sz = 3309 le32_to_cpu(facts_data->diag_trace_size); 3310 mrioc->facts.diag_fw_sz = 3311 le32_to_cpu(facts_data->diag_fw_size); 3312 mrioc->facts.diag_drvr_sz = le32_to_cpu(facts_data->diag_driver_size); 3313 mrioc->facts.max_dev_per_tg = 3314 facts_data->max_devices_per_throttle_group; 3315 mrioc->facts.io_throttle_data_length = 3316 le16_to_cpu(facts_data->io_throttle_data_length); 3317 mrioc->facts.max_io_throttle_group = 3318 le16_to_cpu(facts_data->max_io_throttle_group); 3319 mrioc->facts.io_throttle_low = le16_to_cpu(facts_data->io_throttle_low); 3320 mrioc->facts.io_throttle_high = 3321 le16_to_cpu(facts_data->io_throttle_high); 3322 3323 if (mrioc->facts.max_data_length == 3324 MPI3_IOCFACTS_MAX_DATA_LENGTH_NOT_REPORTED) 3325 mrioc->facts.max_data_length = MPI3MR_DEFAULT_MAX_IO_SIZE; 3326 else 3327 mrioc->facts.max_data_length *= MPI3MR_PAGE_SIZE_4K; 3328 /* Store in 512b block count */ 3329 if (mrioc->facts.io_throttle_data_length) 3330 mrioc->io_throttle_data_length = 3331 (mrioc->facts.io_throttle_data_length * 2 * 4); 3332 else 3333 /* set the length to 1MB + 1K to disable throttle */ 3334 mrioc->io_throttle_data_length = (mrioc->facts.max_data_length / 512) + 2; 3335 3336 mrioc->io_throttle_high = (mrioc->facts.io_throttle_high * 2 * 1024); 3337 mrioc->io_throttle_low = (mrioc->facts.io_throttle_low * 2 * 1024); 3338 3339 ioc_info(mrioc, "ioc_num(%d), maxopQ(%d), maxopRepQ(%d), maxdh(%d),", 3340 mrioc->facts.ioc_num, mrioc->facts.max_op_req_q, 3341 mrioc->facts.max_op_reply_q, mrioc->facts.max_devhandle); 3342 ioc_info(mrioc, 3343 "maxreqs(%d), mindh(%d) maxvectors(%d) maxperids(%d)\n", 3344 mrioc->facts.max_reqs, mrioc->facts.min_devhandle, 3345 mrioc->facts.max_msix_vectors, mrioc->facts.max_perids); 3346 ioc_info(mrioc, "SGEModMask 0x%x SGEModVal 0x%x SGEModShift 0x%x ", 3347 mrioc->facts.sge_mod_mask, mrioc->facts.sge_mod_value, 3348 mrioc->facts.sge_mod_shift); 3349 ioc_info(mrioc, "DMA mask %d InitialPE status 0x%x max_data_len (%d)\n", 3350 mrioc->facts.dma_mask, (facts_flags & 3351 MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_MASK), mrioc->facts.max_data_length); 3352 ioc_info(mrioc, 3353 "max_dev_per_throttle_group(%d), max_throttle_groups(%d)\n", 3354 mrioc->facts.max_dev_per_tg, mrioc->facts.max_io_throttle_group); 3355 ioc_info(mrioc, 3356 "io_throttle_data_len(%dKiB), io_throttle_high(%dMiB), io_throttle_low(%dMiB)\n", 3357 mrioc->facts.io_throttle_data_length * 4, 3358 mrioc->facts.io_throttle_high, mrioc->facts.io_throttle_low); 3359 } 3360 3361 /** 3362 * mpi3mr_alloc_reply_sense_bufs - Send IOC Init 3363 * @mrioc: Adapter instance reference 3364 * 3365 * Allocate and initialize the reply free buffers, sense 3366 * buffers, reply free queue and sense buffer queue. 3367 * 3368 * Return: 0 on success, non-zero on failures. 3369 */ 3370 static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc) 3371 { 3372 int retval = 0; 3373 u32 sz, i; 3374 3375 if (mrioc->init_cmds.reply) 3376 return retval; 3377 3378 mrioc->init_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); 3379 if (!mrioc->init_cmds.reply) 3380 goto out_failed; 3381 3382 mrioc->bsg_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); 3383 if (!mrioc->bsg_cmds.reply) 3384 goto out_failed; 3385 3386 mrioc->transport_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); 3387 if (!mrioc->transport_cmds.reply) 3388 goto out_failed; 3389 3390 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) { 3391 mrioc->dev_rmhs_cmds[i].reply = kzalloc(mrioc->reply_sz, 3392 GFP_KERNEL); 3393 if (!mrioc->dev_rmhs_cmds[i].reply) 3394 goto out_failed; 3395 } 3396 3397 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) { 3398 mrioc->evtack_cmds[i].reply = kzalloc(mrioc->reply_sz, 3399 GFP_KERNEL); 3400 if (!mrioc->evtack_cmds[i].reply) 3401 goto out_failed; 3402 } 3403 3404 mrioc->host_tm_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); 3405 if (!mrioc->host_tm_cmds.reply) 3406 goto out_failed; 3407 3408 mrioc->pel_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); 3409 if (!mrioc->pel_cmds.reply) 3410 goto out_failed; 3411 3412 mrioc->pel_abort_cmd.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); 3413 if (!mrioc->pel_abort_cmd.reply) 3414 goto out_failed; 3415 3416 mrioc->dev_handle_bitmap_bits = mrioc->facts.max_devhandle; 3417 mrioc->removepend_bitmap = bitmap_zalloc(mrioc->dev_handle_bitmap_bits, 3418 GFP_KERNEL); 3419 if (!mrioc->removepend_bitmap) 3420 goto out_failed; 3421 3422 mrioc->devrem_bitmap = bitmap_zalloc(MPI3MR_NUM_DEVRMCMD, GFP_KERNEL); 3423 if (!mrioc->devrem_bitmap) 3424 goto out_failed; 3425 3426 mrioc->evtack_cmds_bitmap = bitmap_zalloc(MPI3MR_NUM_EVTACKCMD, 3427 GFP_KERNEL); 3428 if (!mrioc->evtack_cmds_bitmap) 3429 goto out_failed; 3430 3431 mrioc->num_reply_bufs = mrioc->facts.max_reqs + MPI3MR_NUM_EVT_REPLIES; 3432 mrioc->reply_free_qsz = mrioc->num_reply_bufs + 1; 3433 mrioc->num_sense_bufs = mrioc->facts.max_reqs / MPI3MR_SENSEBUF_FACTOR; 3434 mrioc->sense_buf_q_sz = mrioc->num_sense_bufs + 1; 3435 3436 /* reply buffer pool, 16 byte align */ 3437 sz = mrioc->num_reply_bufs * mrioc->reply_sz; 3438 mrioc->reply_buf_pool = dma_pool_create("reply_buf pool", 3439 &mrioc->pdev->dev, sz, 16, 0); 3440 if (!mrioc->reply_buf_pool) { 3441 ioc_err(mrioc, "reply buf pool: dma_pool_create failed\n"); 3442 goto out_failed; 3443 } 3444 3445 mrioc->reply_buf = dma_pool_zalloc(mrioc->reply_buf_pool, GFP_KERNEL, 3446 &mrioc->reply_buf_dma); 3447 if (!mrioc->reply_buf) 3448 goto out_failed; 3449 3450 mrioc->reply_buf_dma_max_address = mrioc->reply_buf_dma + sz; 3451 3452 /* reply free queue, 8 byte align */ 3453 sz = mrioc->reply_free_qsz * 8; 3454 mrioc->reply_free_q_pool = dma_pool_create("reply_free_q pool", 3455 &mrioc->pdev->dev, sz, 8, 0); 3456 if (!mrioc->reply_free_q_pool) { 3457 ioc_err(mrioc, "reply_free_q pool: dma_pool_create failed\n"); 3458 goto out_failed; 3459 } 3460 mrioc->reply_free_q = dma_pool_zalloc(mrioc->reply_free_q_pool, 3461 GFP_KERNEL, &mrioc->reply_free_q_dma); 3462 if (!mrioc->reply_free_q) 3463 goto out_failed; 3464 3465 /* sense buffer pool, 4 byte align */ 3466 sz = mrioc->num_sense_bufs * MPI3MR_SENSE_BUF_SZ; 3467 mrioc->sense_buf_pool = dma_pool_create("sense_buf pool", 3468 &mrioc->pdev->dev, sz, 4, 0); 3469 if (!mrioc->sense_buf_pool) { 3470 ioc_err(mrioc, "sense_buf pool: dma_pool_create failed\n"); 3471 goto out_failed; 3472 } 3473 mrioc->sense_buf = dma_pool_zalloc(mrioc->sense_buf_pool, GFP_KERNEL, 3474 &mrioc->sense_buf_dma); 3475 if (!mrioc->sense_buf) 3476 goto out_failed; 3477 3478 /* sense buffer queue, 8 byte align */ 3479 sz = mrioc->sense_buf_q_sz * 8; 3480 mrioc->sense_buf_q_pool = dma_pool_create("sense_buf_q pool", 3481 &mrioc->pdev->dev, sz, 8, 0); 3482 if (!mrioc->sense_buf_q_pool) { 3483 ioc_err(mrioc, "sense_buf_q pool: dma_pool_create failed\n"); 3484 goto out_failed; 3485 } 3486 mrioc->sense_buf_q = dma_pool_zalloc(mrioc->sense_buf_q_pool, 3487 GFP_KERNEL, &mrioc->sense_buf_q_dma); 3488 if (!mrioc->sense_buf_q) 3489 goto out_failed; 3490 3491 return retval; 3492 3493 out_failed: 3494 retval = -1; 3495 return retval; 3496 } 3497 3498 /** 3499 * mpimr_initialize_reply_sbuf_queues - initialize reply sense 3500 * buffers 3501 * @mrioc: Adapter instance reference 3502 * 3503 * Helper function to initialize reply and sense buffers along 3504 * with some debug prints. 3505 * 3506 * Return: None. 3507 */ 3508 static void mpimr_initialize_reply_sbuf_queues(struct mpi3mr_ioc *mrioc) 3509 { 3510 u32 sz, i; 3511 dma_addr_t phy_addr; 3512 3513 sz = mrioc->num_reply_bufs * mrioc->reply_sz; 3514 ioc_info(mrioc, 3515 "reply buf pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), reply_dma(0x%llx)\n", 3516 mrioc->reply_buf, mrioc->num_reply_bufs, mrioc->reply_sz, 3517 (sz / 1024), (unsigned long long)mrioc->reply_buf_dma); 3518 sz = mrioc->reply_free_qsz * 8; 3519 ioc_info(mrioc, 3520 "reply_free_q pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), reply_dma(0x%llx)\n", 3521 mrioc->reply_free_q, mrioc->reply_free_qsz, 8, (sz / 1024), 3522 (unsigned long long)mrioc->reply_free_q_dma); 3523 sz = mrioc->num_sense_bufs * MPI3MR_SENSE_BUF_SZ; 3524 ioc_info(mrioc, 3525 "sense_buf pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), sense_dma(0x%llx)\n", 3526 mrioc->sense_buf, mrioc->num_sense_bufs, MPI3MR_SENSE_BUF_SZ, 3527 (sz / 1024), (unsigned long long)mrioc->sense_buf_dma); 3528 sz = mrioc->sense_buf_q_sz * 8; 3529 ioc_info(mrioc, 3530 "sense_buf_q pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), sense_dma(0x%llx)\n", 3531 mrioc->sense_buf_q, mrioc->sense_buf_q_sz, 8, (sz / 1024), 3532 (unsigned long long)mrioc->sense_buf_q_dma); 3533 3534 /* initialize Reply buffer Queue */ 3535 for (i = 0, phy_addr = mrioc->reply_buf_dma; 3536 i < mrioc->num_reply_bufs; i++, phy_addr += mrioc->reply_sz) 3537 mrioc->reply_free_q[i] = cpu_to_le64(phy_addr); 3538 mrioc->reply_free_q[i] = cpu_to_le64(0); 3539 3540 /* initialize Sense Buffer Queue */ 3541 for (i = 0, phy_addr = mrioc->sense_buf_dma; 3542 i < mrioc->num_sense_bufs; i++, phy_addr += MPI3MR_SENSE_BUF_SZ) 3543 mrioc->sense_buf_q[i] = cpu_to_le64(phy_addr); 3544 mrioc->sense_buf_q[i] = cpu_to_le64(0); 3545 } 3546 3547 /** 3548 * mpi3mr_issue_iocinit - Send IOC Init 3549 * @mrioc: Adapter instance reference 3550 * 3551 * Issue IOC Init MPI request through admin queue and wait for 3552 * the completion of it or time out. 3553 * 3554 * Return: 0 on success, non-zero on failures. 3555 */ 3556 static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc) 3557 { 3558 struct mpi3_ioc_init_request iocinit_req; 3559 struct mpi3_driver_info_layout *drv_info; 3560 dma_addr_t data_dma; 3561 u32 data_len = sizeof(*drv_info); 3562 int retval = 0; 3563 ktime_t current_time; 3564 3565 drv_info = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma, 3566 GFP_KERNEL); 3567 if (!drv_info) { 3568 retval = -1; 3569 goto out; 3570 } 3571 mpimr_initialize_reply_sbuf_queues(mrioc); 3572 3573 drv_info->information_length = cpu_to_le32(data_len); 3574 strscpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature)); 3575 strscpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name)); 3576 strscpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version)); 3577 strscpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name)); 3578 strscpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version)); 3579 strscpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE, 3580 sizeof(drv_info->driver_release_date)); 3581 drv_info->driver_capabilities = 0; 3582 memcpy((u8 *)&mrioc->driver_info, (u8 *)drv_info, 3583 sizeof(mrioc->driver_info)); 3584 3585 memset(&iocinit_req, 0, sizeof(iocinit_req)); 3586 mutex_lock(&mrioc->init_cmds.mutex); 3587 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 3588 retval = -1; 3589 ioc_err(mrioc, "Issue IOCInit: Init command is in use\n"); 3590 mutex_unlock(&mrioc->init_cmds.mutex); 3591 goto out; 3592 } 3593 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 3594 mrioc->init_cmds.is_waiting = 1; 3595 mrioc->init_cmds.callback = NULL; 3596 iocinit_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 3597 iocinit_req.function = MPI3_FUNCTION_IOC_INIT; 3598 iocinit_req.mpi_version.mpi3_version.dev = MPI3_VERSION_DEV; 3599 iocinit_req.mpi_version.mpi3_version.unit = MPI3_VERSION_UNIT; 3600 iocinit_req.mpi_version.mpi3_version.major = MPI3_VERSION_MAJOR; 3601 iocinit_req.mpi_version.mpi3_version.minor = MPI3_VERSION_MINOR; 3602 iocinit_req.who_init = MPI3_WHOINIT_HOST_DRIVER; 3603 iocinit_req.reply_free_queue_depth = cpu_to_le16(mrioc->reply_free_qsz); 3604 iocinit_req.reply_free_queue_address = 3605 cpu_to_le64(mrioc->reply_free_q_dma); 3606 iocinit_req.sense_buffer_length = cpu_to_le16(MPI3MR_SENSE_BUF_SZ); 3607 iocinit_req.sense_buffer_free_queue_depth = 3608 cpu_to_le16(mrioc->sense_buf_q_sz); 3609 iocinit_req.sense_buffer_free_queue_address = 3610 cpu_to_le64(mrioc->sense_buf_q_dma); 3611 iocinit_req.driver_information_address = cpu_to_le64(data_dma); 3612 3613 current_time = ktime_get_real(); 3614 iocinit_req.time_stamp = cpu_to_le64(ktime_to_ms(current_time)); 3615 3616 iocinit_req.msg_flags |= 3617 MPI3_IOCINIT_MSGFLAGS_SCSIIOSTATUSREPLY_SUPPORTED; 3618 iocinit_req.msg_flags |= 3619 MPI3_IOCINIT_MSGFLAGS_WRITESAMEDIVERT_SUPPORTED; 3620 3621 init_completion(&mrioc->init_cmds.done); 3622 retval = mpi3mr_admin_request_post(mrioc, &iocinit_req, 3623 sizeof(iocinit_req), 1); 3624 if (retval) { 3625 ioc_err(mrioc, "Issue IOCInit: Admin Post failed\n"); 3626 goto out_unlock; 3627 } 3628 wait_for_completion_timeout(&mrioc->init_cmds.done, 3629 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 3630 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 3631 mpi3mr_check_rh_fault_ioc(mrioc, 3632 MPI3MR_RESET_FROM_IOCINIT_TIMEOUT); 3633 ioc_err(mrioc, "ioc_init timed out\n"); 3634 retval = -1; 3635 goto out_unlock; 3636 } 3637 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 3638 != MPI3_IOCSTATUS_SUCCESS) { 3639 ioc_err(mrioc, 3640 "Issue IOCInit: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 3641 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 3642 mrioc->init_cmds.ioc_loginfo); 3643 retval = -1; 3644 goto out_unlock; 3645 } 3646 3647 mrioc->reply_free_queue_host_index = mrioc->num_reply_bufs; 3648 writel(mrioc->reply_free_queue_host_index, 3649 &mrioc->sysif_regs->reply_free_host_index); 3650 3651 mrioc->sbq_host_index = mrioc->num_sense_bufs; 3652 writel(mrioc->sbq_host_index, 3653 &mrioc->sysif_regs->sense_buffer_free_host_index); 3654 out_unlock: 3655 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 3656 mutex_unlock(&mrioc->init_cmds.mutex); 3657 3658 out: 3659 if (drv_info) 3660 dma_free_coherent(&mrioc->pdev->dev, data_len, drv_info, 3661 data_dma); 3662 3663 return retval; 3664 } 3665 3666 /** 3667 * mpi3mr_unmask_events - Unmask events in event mask bitmap 3668 * @mrioc: Adapter instance reference 3669 * @event: MPI event ID 3670 * 3671 * Un mask the specific event by resetting the event_mask 3672 * bitmap. 3673 * 3674 * Return: 0 on success, non-zero on failures. 3675 */ 3676 static void mpi3mr_unmask_events(struct mpi3mr_ioc *mrioc, u16 event) 3677 { 3678 u32 desired_event; 3679 u8 word; 3680 3681 if (event >= 128) 3682 return; 3683 3684 desired_event = (1 << (event % 32)); 3685 word = event / 32; 3686 3687 mrioc->event_masks[word] &= ~desired_event; 3688 } 3689 3690 /** 3691 * mpi3mr_issue_event_notification - Send event notification 3692 * @mrioc: Adapter instance reference 3693 * 3694 * Issue event notification MPI request through admin queue and 3695 * wait for the completion of it or time out. 3696 * 3697 * Return: 0 on success, non-zero on failures. 3698 */ 3699 static int mpi3mr_issue_event_notification(struct mpi3mr_ioc *mrioc) 3700 { 3701 struct mpi3_event_notification_request evtnotify_req; 3702 int retval = 0; 3703 u8 i; 3704 3705 memset(&evtnotify_req, 0, sizeof(evtnotify_req)); 3706 mutex_lock(&mrioc->init_cmds.mutex); 3707 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 3708 retval = -1; 3709 ioc_err(mrioc, "Issue EvtNotify: Init command is in use\n"); 3710 mutex_unlock(&mrioc->init_cmds.mutex); 3711 goto out; 3712 } 3713 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 3714 mrioc->init_cmds.is_waiting = 1; 3715 mrioc->init_cmds.callback = NULL; 3716 evtnotify_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 3717 evtnotify_req.function = MPI3_FUNCTION_EVENT_NOTIFICATION; 3718 for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++) 3719 evtnotify_req.event_masks[i] = 3720 cpu_to_le32(mrioc->event_masks[i]); 3721 init_completion(&mrioc->init_cmds.done); 3722 retval = mpi3mr_admin_request_post(mrioc, &evtnotify_req, 3723 sizeof(evtnotify_req), 1); 3724 if (retval) { 3725 ioc_err(mrioc, "Issue EvtNotify: Admin Post failed\n"); 3726 goto out_unlock; 3727 } 3728 wait_for_completion_timeout(&mrioc->init_cmds.done, 3729 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 3730 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 3731 ioc_err(mrioc, "event notification timed out\n"); 3732 mpi3mr_check_rh_fault_ioc(mrioc, 3733 MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT); 3734 retval = -1; 3735 goto out_unlock; 3736 } 3737 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 3738 != MPI3_IOCSTATUS_SUCCESS) { 3739 ioc_err(mrioc, 3740 "Issue EvtNotify: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 3741 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 3742 mrioc->init_cmds.ioc_loginfo); 3743 retval = -1; 3744 goto out_unlock; 3745 } 3746 3747 out_unlock: 3748 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 3749 mutex_unlock(&mrioc->init_cmds.mutex); 3750 out: 3751 return retval; 3752 } 3753 3754 /** 3755 * mpi3mr_process_event_ack - Process event acknowledgment 3756 * @mrioc: Adapter instance reference 3757 * @event: MPI3 event ID 3758 * @event_ctx: event context 3759 * 3760 * Send event acknowledgment through admin queue and wait for 3761 * it to complete. 3762 * 3763 * Return: 0 on success, non-zero on failures. 3764 */ 3765 int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event, 3766 u32 event_ctx) 3767 { 3768 struct mpi3_event_ack_request evtack_req; 3769 int retval = 0; 3770 3771 memset(&evtack_req, 0, sizeof(evtack_req)); 3772 mutex_lock(&mrioc->init_cmds.mutex); 3773 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 3774 retval = -1; 3775 ioc_err(mrioc, "Send EvtAck: Init command is in use\n"); 3776 mutex_unlock(&mrioc->init_cmds.mutex); 3777 goto out; 3778 } 3779 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 3780 mrioc->init_cmds.is_waiting = 1; 3781 mrioc->init_cmds.callback = NULL; 3782 evtack_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 3783 evtack_req.function = MPI3_FUNCTION_EVENT_ACK; 3784 evtack_req.event = event; 3785 evtack_req.event_context = cpu_to_le32(event_ctx); 3786 3787 init_completion(&mrioc->init_cmds.done); 3788 retval = mpi3mr_admin_request_post(mrioc, &evtack_req, 3789 sizeof(evtack_req), 1); 3790 if (retval) { 3791 ioc_err(mrioc, "Send EvtAck: Admin Post failed\n"); 3792 goto out_unlock; 3793 } 3794 wait_for_completion_timeout(&mrioc->init_cmds.done, 3795 (MPI3MR_INTADMCMD_TIMEOUT * HZ)); 3796 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 3797 ioc_err(mrioc, "Issue EvtNotify: command timed out\n"); 3798 if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET)) 3799 mpi3mr_check_rh_fault_ioc(mrioc, 3800 MPI3MR_RESET_FROM_EVTACK_TIMEOUT); 3801 retval = -1; 3802 goto out_unlock; 3803 } 3804 if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) 3805 != MPI3_IOCSTATUS_SUCCESS) { 3806 ioc_err(mrioc, 3807 "Send EvtAck: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 3808 (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), 3809 mrioc->init_cmds.ioc_loginfo); 3810 retval = -1; 3811 goto out_unlock; 3812 } 3813 3814 out_unlock: 3815 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 3816 mutex_unlock(&mrioc->init_cmds.mutex); 3817 out: 3818 return retval; 3819 } 3820 3821 /** 3822 * mpi3mr_alloc_chain_bufs - Allocate chain buffers 3823 * @mrioc: Adapter instance reference 3824 * 3825 * Allocate chain buffers and set a bitmap to indicate free 3826 * chain buffers. Chain buffers are used to pass the SGE 3827 * information along with MPI3 SCSI IO requests for host I/O. 3828 * 3829 * Return: 0 on success, non-zero on failure 3830 */ 3831 static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc) 3832 { 3833 int retval = 0; 3834 u32 sz, i; 3835 u16 num_chains; 3836 3837 if (mrioc->chain_sgl_list) 3838 return retval; 3839 3840 num_chains = mrioc->max_host_ios / MPI3MR_CHAINBUF_FACTOR; 3841 3842 if (prot_mask & (SHOST_DIX_TYPE0_PROTECTION 3843 | SHOST_DIX_TYPE1_PROTECTION 3844 | SHOST_DIX_TYPE2_PROTECTION 3845 | SHOST_DIX_TYPE3_PROTECTION)) 3846 num_chains += (num_chains / MPI3MR_CHAINBUFDIX_FACTOR); 3847 3848 mrioc->chain_buf_count = num_chains; 3849 sz = sizeof(struct chain_element) * num_chains; 3850 mrioc->chain_sgl_list = kzalloc(sz, GFP_KERNEL); 3851 if (!mrioc->chain_sgl_list) 3852 goto out_failed; 3853 3854 if (mrioc->max_sgl_entries > (mrioc->facts.max_data_length / 3855 MPI3MR_PAGE_SIZE_4K)) 3856 mrioc->max_sgl_entries = mrioc->facts.max_data_length / 3857 MPI3MR_PAGE_SIZE_4K; 3858 sz = mrioc->max_sgl_entries * sizeof(struct mpi3_sge_common); 3859 ioc_info(mrioc, "number of sgl entries=%d chain buffer size=%dKB\n", 3860 mrioc->max_sgl_entries, sz/1024); 3861 3862 mrioc->chain_buf_pool = dma_pool_create("chain_buf pool", 3863 &mrioc->pdev->dev, sz, 16, 0); 3864 if (!mrioc->chain_buf_pool) { 3865 ioc_err(mrioc, "chain buf pool: dma_pool_create failed\n"); 3866 goto out_failed; 3867 } 3868 3869 for (i = 0; i < num_chains; i++) { 3870 mrioc->chain_sgl_list[i].addr = 3871 dma_pool_zalloc(mrioc->chain_buf_pool, GFP_KERNEL, 3872 &mrioc->chain_sgl_list[i].dma_addr); 3873 3874 if (!mrioc->chain_sgl_list[i].addr) 3875 goto out_failed; 3876 } 3877 mrioc->chain_bitmap = bitmap_zalloc(num_chains, GFP_KERNEL); 3878 if (!mrioc->chain_bitmap) 3879 goto out_failed; 3880 return retval; 3881 out_failed: 3882 retval = -1; 3883 return retval; 3884 } 3885 3886 /** 3887 * mpi3mr_port_enable_complete - Mark port enable complete 3888 * @mrioc: Adapter instance reference 3889 * @drv_cmd: Internal command tracker 3890 * 3891 * Call back for asynchronous port enable request sets the 3892 * driver command to indicate port enable request is complete. 3893 * 3894 * Return: Nothing 3895 */ 3896 static void mpi3mr_port_enable_complete(struct mpi3mr_ioc *mrioc, 3897 struct mpi3mr_drv_cmd *drv_cmd) 3898 { 3899 drv_cmd->callback = NULL; 3900 mrioc->scan_started = 0; 3901 if (drv_cmd->state & MPI3MR_CMD_RESET) 3902 mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR; 3903 else 3904 mrioc->scan_failed = drv_cmd->ioc_status; 3905 drv_cmd->state = MPI3MR_CMD_NOTUSED; 3906 } 3907 3908 /** 3909 * mpi3mr_issue_port_enable - Issue Port Enable 3910 * @mrioc: Adapter instance reference 3911 * @async: Flag to wait for completion or not 3912 * 3913 * Issue Port Enable MPI request through admin queue and if the 3914 * async flag is not set wait for the completion of the port 3915 * enable or time out. 3916 * 3917 * Return: 0 on success, non-zero on failures. 3918 */ 3919 int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async) 3920 { 3921 struct mpi3_port_enable_request pe_req; 3922 int retval = 0; 3923 u32 pe_timeout = MPI3MR_PORTENABLE_TIMEOUT; 3924 3925 memset(&pe_req, 0, sizeof(pe_req)); 3926 mutex_lock(&mrioc->init_cmds.mutex); 3927 if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { 3928 retval = -1; 3929 ioc_err(mrioc, "Issue PortEnable: Init command is in use\n"); 3930 mutex_unlock(&mrioc->init_cmds.mutex); 3931 goto out; 3932 } 3933 mrioc->init_cmds.state = MPI3MR_CMD_PENDING; 3934 if (async) { 3935 mrioc->init_cmds.is_waiting = 0; 3936 mrioc->init_cmds.callback = mpi3mr_port_enable_complete; 3937 } else { 3938 mrioc->init_cmds.is_waiting = 1; 3939 mrioc->init_cmds.callback = NULL; 3940 init_completion(&mrioc->init_cmds.done); 3941 } 3942 pe_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); 3943 pe_req.function = MPI3_FUNCTION_PORT_ENABLE; 3944 3945 retval = mpi3mr_admin_request_post(mrioc, &pe_req, sizeof(pe_req), 1); 3946 if (retval) { 3947 ioc_err(mrioc, "Issue PortEnable: Admin Post failed\n"); 3948 goto out_unlock; 3949 } 3950 if (async) { 3951 mutex_unlock(&mrioc->init_cmds.mutex); 3952 goto out; 3953 } 3954 3955 wait_for_completion_timeout(&mrioc->init_cmds.done, (pe_timeout * HZ)); 3956 if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { 3957 ioc_err(mrioc, "port enable timed out\n"); 3958 retval = -1; 3959 mpi3mr_check_rh_fault_ioc(mrioc, MPI3MR_RESET_FROM_PE_TIMEOUT); 3960 goto out_unlock; 3961 } 3962 mpi3mr_port_enable_complete(mrioc, &mrioc->init_cmds); 3963 3964 out_unlock: 3965 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 3966 mutex_unlock(&mrioc->init_cmds.mutex); 3967 out: 3968 return retval; 3969 } 3970 3971 /* Protocol type to name mapper structure */ 3972 static const struct { 3973 u8 protocol; 3974 char *name; 3975 } mpi3mr_protocols[] = { 3976 { MPI3_IOCFACTS_PROTOCOL_SCSI_INITIATOR, "Initiator" }, 3977 { MPI3_IOCFACTS_PROTOCOL_SCSI_TARGET, "Target" }, 3978 { MPI3_IOCFACTS_PROTOCOL_NVME, "NVMe attachment" }, 3979 }; 3980 3981 /* Capability to name mapper structure*/ 3982 static const struct { 3983 u32 capability; 3984 char *name; 3985 } mpi3mr_capabilities[] = { 3986 { MPI3_IOCFACTS_CAPABILITY_RAID_SUPPORTED, "RAID" }, 3987 { MPI3_IOCFACTS_CAPABILITY_MULTIPATH_SUPPORTED, "MultiPath" }, 3988 }; 3989 3990 /** 3991 * mpi3mr_repost_diag_bufs - repost host diag buffers 3992 * @mrioc: Adapter instance reference 3993 * 3994 * repost firmware and trace diag buffers based on global 3995 * trigger flag from driver page 2 3996 * 3997 * Return: 0 on success, non-zero on failures. 3998 */ 3999 static int mpi3mr_repost_diag_bufs(struct mpi3mr_ioc *mrioc) 4000 { 4001 u64 global_trigger; 4002 union mpi3mr_trigger_data prev_trigger_data; 4003 struct diag_buffer_desc *trace_hdb = NULL; 4004 struct diag_buffer_desc *fw_hdb = NULL; 4005 int retval = 0; 4006 bool trace_repost_needed = false; 4007 bool fw_repost_needed = false; 4008 u8 prev_trigger_type; 4009 4010 retval = mpi3mr_refresh_trigger(mrioc, MPI3_CONFIG_ACTION_READ_CURRENT); 4011 if (retval) 4012 return -1; 4013 4014 trace_hdb = mpi3mr_diag_buffer_for_type(mrioc, 4015 MPI3_DIAG_BUFFER_TYPE_TRACE); 4016 4017 if (trace_hdb && 4018 trace_hdb->status != MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED && 4019 trace_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_GLOBAL && 4020 trace_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_ELEMENT) 4021 trace_repost_needed = true; 4022 4023 fw_hdb = mpi3mr_diag_buffer_for_type(mrioc, MPI3_DIAG_BUFFER_TYPE_FW); 4024 4025 if (fw_hdb && fw_hdb->status != MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED && 4026 fw_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_GLOBAL && 4027 fw_hdb->trigger_type != MPI3MR_HDB_TRIGGER_TYPE_ELEMENT) 4028 fw_repost_needed = true; 4029 4030 if (trace_repost_needed || fw_repost_needed) { 4031 global_trigger = le64_to_cpu(mrioc->driver_pg2->global_trigger); 4032 if (global_trigger & 4033 MPI3_DRIVER2_GLOBALTRIGGER_POST_DIAG_TRACE_DISABLED) 4034 trace_repost_needed = false; 4035 if (global_trigger & 4036 MPI3_DRIVER2_GLOBALTRIGGER_POST_DIAG_FW_DISABLED) 4037 fw_repost_needed = false; 4038 } 4039 4040 if (trace_repost_needed) { 4041 prev_trigger_type = trace_hdb->trigger_type; 4042 memcpy(&prev_trigger_data, &trace_hdb->trigger_data, 4043 sizeof(trace_hdb->trigger_data)); 4044 retval = mpi3mr_issue_diag_buf_post(mrioc, trace_hdb); 4045 if (!retval) { 4046 dprint_init(mrioc, "trace diag buffer reposted"); 4047 mpi3mr_set_trigger_data_in_hdb(trace_hdb, 4048 MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN, NULL, 1); 4049 } else { 4050 trace_hdb->trigger_type = prev_trigger_type; 4051 memcpy(&trace_hdb->trigger_data, &prev_trigger_data, 4052 sizeof(prev_trigger_data)); 4053 ioc_err(mrioc, "trace diag buffer repost failed"); 4054 return -1; 4055 } 4056 } 4057 4058 if (fw_repost_needed) { 4059 prev_trigger_type = fw_hdb->trigger_type; 4060 memcpy(&prev_trigger_data, &fw_hdb->trigger_data, 4061 sizeof(fw_hdb->trigger_data)); 4062 retval = mpi3mr_issue_diag_buf_post(mrioc, fw_hdb); 4063 if (!retval) { 4064 dprint_init(mrioc, "firmware diag buffer reposted"); 4065 mpi3mr_set_trigger_data_in_hdb(fw_hdb, 4066 MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN, NULL, 1); 4067 } else { 4068 fw_hdb->trigger_type = prev_trigger_type; 4069 memcpy(&fw_hdb->trigger_data, &prev_trigger_data, 4070 sizeof(prev_trigger_data)); 4071 ioc_err(mrioc, "firmware diag buffer repost failed"); 4072 return -1; 4073 } 4074 } 4075 return retval; 4076 } 4077 4078 /** 4079 * mpi3mr_read_tsu_interval - Update time stamp interval 4080 * @mrioc: Adapter instance reference 4081 * 4082 * Update time stamp interval if its defined in driver page 1, 4083 * otherwise use default value. 4084 * 4085 * Return: Nothing 4086 */ 4087 static void 4088 mpi3mr_read_tsu_interval(struct mpi3mr_ioc *mrioc) 4089 { 4090 struct mpi3_driver_page1 driver_pg1; 4091 u16 pg_sz = sizeof(driver_pg1); 4092 int retval = 0; 4093 4094 mrioc->ts_update_interval = MPI3MR_TSUPDATE_INTERVAL; 4095 4096 retval = mpi3mr_cfg_get_driver_pg1(mrioc, &driver_pg1, pg_sz); 4097 if (!retval && driver_pg1.time_stamp_update) 4098 mrioc->ts_update_interval = (driver_pg1.time_stamp_update * 60); 4099 } 4100 4101 /** 4102 * mpi3mr_print_ioc_info - Display controller information 4103 * @mrioc: Adapter instance reference 4104 * 4105 * Display controller personality, capability, supported 4106 * protocols etc. 4107 * 4108 * Return: Nothing 4109 */ 4110 static void 4111 mpi3mr_print_ioc_info(struct mpi3mr_ioc *mrioc) 4112 { 4113 int i = 0, bytes_written = 0; 4114 const char *personality; 4115 char protocol[50] = {0}; 4116 char capabilities[100] = {0}; 4117 struct mpi3mr_compimg_ver *fwver = &mrioc->facts.fw_ver; 4118 4119 switch (mrioc->facts.personality) { 4120 case MPI3_IOCFACTS_FLAGS_PERSONALITY_EHBA: 4121 personality = "Enhanced HBA"; 4122 break; 4123 case MPI3_IOCFACTS_FLAGS_PERSONALITY_RAID_DDR: 4124 personality = "RAID"; 4125 break; 4126 default: 4127 personality = "Unknown"; 4128 break; 4129 } 4130 4131 ioc_info(mrioc, "Running in %s Personality", personality); 4132 4133 ioc_info(mrioc, "FW version(%d.%d.%d.%d.%d.%d)\n", 4134 fwver->gen_major, fwver->gen_minor, fwver->ph_major, 4135 fwver->ph_minor, fwver->cust_id, fwver->build_num); 4136 4137 for (i = 0; i < ARRAY_SIZE(mpi3mr_protocols); i++) { 4138 if (mrioc->facts.protocol_flags & 4139 mpi3mr_protocols[i].protocol) { 4140 bytes_written += scnprintf(protocol + bytes_written, 4141 sizeof(protocol) - bytes_written, "%s%s", 4142 bytes_written ? "," : "", 4143 mpi3mr_protocols[i].name); 4144 } 4145 } 4146 4147 bytes_written = 0; 4148 for (i = 0; i < ARRAY_SIZE(mpi3mr_capabilities); i++) { 4149 if (mrioc->facts.protocol_flags & 4150 mpi3mr_capabilities[i].capability) { 4151 bytes_written += scnprintf(capabilities + bytes_written, 4152 sizeof(capabilities) - bytes_written, "%s%s", 4153 bytes_written ? "," : "", 4154 mpi3mr_capabilities[i].name); 4155 } 4156 } 4157 4158 ioc_info(mrioc, "Protocol=(%s), Capabilities=(%s)\n", 4159 protocol, capabilities); 4160 } 4161 4162 /** 4163 * mpi3mr_cleanup_resources - Free PCI resources 4164 * @mrioc: Adapter instance reference 4165 * 4166 * Unmap PCI device memory and disable PCI device. 4167 * 4168 * Return: 0 on success and non-zero on failure. 4169 */ 4170 void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc) 4171 { 4172 struct pci_dev *pdev = mrioc->pdev; 4173 4174 mpi3mr_cleanup_isr(mrioc); 4175 4176 if (mrioc->sysif_regs) { 4177 iounmap((void __iomem *)mrioc->sysif_regs); 4178 mrioc->sysif_regs = NULL; 4179 } 4180 4181 if (pci_is_enabled(pdev)) { 4182 if (mrioc->bars) 4183 pci_release_selected_regions(pdev, mrioc->bars); 4184 pci_disable_device(pdev); 4185 } 4186 } 4187 4188 /** 4189 * mpi3mr_setup_resources - Enable PCI resources 4190 * @mrioc: Adapter instance reference 4191 * 4192 * Enable PCI device memory, MSI-x registers and set DMA mask. 4193 * 4194 * Return: 0 on success and non-zero on failure. 4195 */ 4196 int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc) 4197 { 4198 struct pci_dev *pdev = mrioc->pdev; 4199 u32 memap_sz = 0; 4200 int i, retval = 0, capb = 0; 4201 u16 message_control; 4202 u64 dma_mask = mrioc->dma_mask ? mrioc->dma_mask : 4203 ((sizeof(dma_addr_t) > 4) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32)); 4204 4205 if (pci_enable_device_mem(pdev)) { 4206 ioc_err(mrioc, "pci_enable_device_mem: failed\n"); 4207 retval = -ENODEV; 4208 goto out_failed; 4209 } 4210 4211 capb = pci_find_capability(pdev, PCI_CAP_ID_MSIX); 4212 if (!capb) { 4213 ioc_err(mrioc, "Unable to find MSI-X Capabilities\n"); 4214 retval = -ENODEV; 4215 goto out_failed; 4216 } 4217 mrioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); 4218 4219 if (pci_request_selected_regions(pdev, mrioc->bars, 4220 mrioc->driver_name)) { 4221 ioc_err(mrioc, "pci_request_selected_regions: failed\n"); 4222 retval = -ENODEV; 4223 goto out_failed; 4224 } 4225 4226 for (i = 0; (i < DEVICE_COUNT_RESOURCE); i++) { 4227 if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { 4228 mrioc->sysif_regs_phys = pci_resource_start(pdev, i); 4229 memap_sz = pci_resource_len(pdev, i); 4230 mrioc->sysif_regs = 4231 ioremap(mrioc->sysif_regs_phys, memap_sz); 4232 break; 4233 } 4234 } 4235 4236 pci_set_master(pdev); 4237 4238 retval = dma_set_mask_and_coherent(&pdev->dev, dma_mask); 4239 if (retval) { 4240 if (dma_mask != DMA_BIT_MASK(32)) { 4241 ioc_warn(mrioc, "Setting 64 bit DMA mask failed\n"); 4242 dma_mask = DMA_BIT_MASK(32); 4243 retval = dma_set_mask_and_coherent(&pdev->dev, 4244 dma_mask); 4245 } 4246 if (retval) { 4247 mrioc->dma_mask = 0; 4248 ioc_err(mrioc, "Setting 32 bit DMA mask also failed\n"); 4249 goto out_failed; 4250 } 4251 } 4252 mrioc->dma_mask = dma_mask; 4253 4254 if (!mrioc->sysif_regs) { 4255 ioc_err(mrioc, 4256 "Unable to map adapter memory or resource not found\n"); 4257 retval = -EINVAL; 4258 goto out_failed; 4259 } 4260 4261 pci_read_config_word(pdev, capb + 2, &message_control); 4262 mrioc->msix_count = (message_control & 0x3FF) + 1; 4263 4264 pci_save_state(pdev); 4265 4266 pci_set_drvdata(pdev, mrioc->shost); 4267 4268 mpi3mr_ioc_disable_intr(mrioc); 4269 4270 ioc_info(mrioc, "iomem(0x%016llx), mapped(0x%p), size(%d)\n", 4271 (unsigned long long)mrioc->sysif_regs_phys, 4272 mrioc->sysif_regs, memap_sz); 4273 ioc_info(mrioc, "Number of MSI-X vectors found in capabilities: (%d)\n", 4274 mrioc->msix_count); 4275 4276 if (!reset_devices && poll_queues > 0) 4277 mrioc->requested_poll_qcount = min_t(int, poll_queues, 4278 mrioc->msix_count - 2); 4279 return retval; 4280 4281 out_failed: 4282 mpi3mr_cleanup_resources(mrioc); 4283 return retval; 4284 } 4285 4286 /** 4287 * mpi3mr_enable_events - Enable required events 4288 * @mrioc: Adapter instance reference 4289 * 4290 * This routine unmasks the events required by the driver by 4291 * sennding appropriate event mask bitmapt through an event 4292 * notification request. 4293 * 4294 * Return: 0 on success and non-zero on failure. 4295 */ 4296 static int mpi3mr_enable_events(struct mpi3mr_ioc *mrioc) 4297 { 4298 int retval = 0; 4299 u32 i; 4300 4301 for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++) 4302 mrioc->event_masks[i] = -1; 4303 4304 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_ADDED); 4305 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_INFO_CHANGED); 4306 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_STATUS_CHANGE); 4307 mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE); 4308 mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENCL_DEVICE_ADDED); 4309 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST); 4310 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DISCOVERY); 4311 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR); 4312 mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_BROADCAST_PRIMITIVE); 4313 mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST); 4314 mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_ENUMERATION); 4315 mpi3mr_unmask_events(mrioc, MPI3_EVENT_PREPARE_FOR_RESET); 4316 mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT); 4317 mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE); 4318 mpi3mr_unmask_events(mrioc, MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE); 4319 4320 retval = mpi3mr_issue_event_notification(mrioc); 4321 if (retval) 4322 ioc_err(mrioc, "failed to issue event notification %d\n", 4323 retval); 4324 return retval; 4325 } 4326 4327 /** 4328 * mpi3mr_init_ioc - Initialize the controller 4329 * @mrioc: Adapter instance reference 4330 * 4331 * This the controller initialization routine, executed either 4332 * after soft reset or from pci probe callback. 4333 * Setup the required resources, memory map the controller 4334 * registers, create admin and operational reply queue pairs, 4335 * allocate required memory for reply pool, sense buffer pool, 4336 * issue IOC init request to the firmware, unmask the events and 4337 * issue port enable to discover SAS/SATA/NVMe devies and RAID 4338 * volumes. 4339 * 4340 * Return: 0 on success and non-zero on failure. 4341 */ 4342 int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc) 4343 { 4344 int retval = 0; 4345 u8 retry = 0; 4346 struct mpi3_ioc_facts_data facts_data; 4347 u32 sz; 4348 4349 retry_init: 4350 retval = mpi3mr_bring_ioc_ready(mrioc); 4351 if (retval) { 4352 ioc_err(mrioc, "Failed to bring ioc ready: error %d\n", 4353 retval); 4354 goto out_failed_noretry; 4355 } 4356 4357 retval = mpi3mr_setup_isr(mrioc, 1); 4358 if (retval) { 4359 ioc_err(mrioc, "Failed to setup ISR error %d\n", 4360 retval); 4361 goto out_failed_noretry; 4362 } 4363 4364 retval = mpi3mr_issue_iocfacts(mrioc, &facts_data); 4365 if (retval) { 4366 ioc_err(mrioc, "Failed to Issue IOC Facts %d\n", 4367 retval); 4368 goto out_failed; 4369 } 4370 4371 mrioc->max_host_ios = mrioc->facts.max_reqs - MPI3MR_INTERNAL_CMDS_RESVD; 4372 mrioc->shost->max_sectors = mrioc->facts.max_data_length / 512; 4373 mrioc->num_io_throttle_group = mrioc->facts.max_io_throttle_group; 4374 atomic_set(&mrioc->pend_large_data_sz, 0); 4375 4376 if (reset_devices) 4377 mrioc->max_host_ios = min_t(int, mrioc->max_host_ios, 4378 MPI3MR_HOST_IOS_KDUMP); 4379 4380 if (!(mrioc->facts.ioc_capabilities & 4381 MPI3_IOCFACTS_CAPABILITY_MULTIPATH_SUPPORTED)) { 4382 mrioc->sas_transport_enabled = 1; 4383 mrioc->scsi_device_channel = 1; 4384 mrioc->shost->max_channel = 1; 4385 mrioc->shost->transportt = mpi3mr_transport_template; 4386 } 4387 4388 if (mrioc->facts.max_req_limit) 4389 mrioc->prevent_reply_qfull = true; 4390 4391 if (mrioc->facts.ioc_capabilities & 4392 MPI3_IOCFACTS_CAPABILITY_SEG_DIAG_TRACE_SUPPORTED) 4393 mrioc->seg_tb_support = true; 4394 4395 mrioc->reply_sz = mrioc->facts.reply_sz; 4396 4397 retval = mpi3mr_check_reset_dma_mask(mrioc); 4398 if (retval) { 4399 ioc_err(mrioc, "Resetting dma mask failed %d\n", 4400 retval); 4401 goto out_failed_noretry; 4402 } 4403 4404 mpi3mr_read_tsu_interval(mrioc); 4405 mpi3mr_print_ioc_info(mrioc); 4406 4407 dprint_init(mrioc, "allocating host diag buffers\n"); 4408 mpi3mr_alloc_diag_bufs(mrioc); 4409 4410 dprint_init(mrioc, "allocating ioctl dma buffers\n"); 4411 mpi3mr_alloc_ioctl_dma_memory(mrioc); 4412 4413 dprint_init(mrioc, "posting host diag buffers\n"); 4414 retval = mpi3mr_post_diag_bufs(mrioc); 4415 4416 if (retval) 4417 ioc_warn(mrioc, "failed to post host diag buffers\n"); 4418 4419 if (!mrioc->init_cmds.reply) { 4420 retval = mpi3mr_alloc_reply_sense_bufs(mrioc); 4421 if (retval) { 4422 ioc_err(mrioc, 4423 "%s :Failed to allocated reply sense buffers %d\n", 4424 __func__, retval); 4425 goto out_failed_noretry; 4426 } 4427 } 4428 4429 if (!mrioc->chain_sgl_list) { 4430 retval = mpi3mr_alloc_chain_bufs(mrioc); 4431 if (retval) { 4432 ioc_err(mrioc, "Failed to allocated chain buffers %d\n", 4433 retval); 4434 goto out_failed_noretry; 4435 } 4436 } 4437 4438 retval = mpi3mr_issue_iocinit(mrioc); 4439 if (retval) { 4440 ioc_err(mrioc, "Failed to Issue IOC Init %d\n", 4441 retval); 4442 goto out_failed; 4443 } 4444 4445 retval = mpi3mr_print_pkg_ver(mrioc); 4446 if (retval) { 4447 ioc_err(mrioc, "failed to get package version\n"); 4448 goto out_failed; 4449 } 4450 4451 retval = mpi3mr_setup_isr(mrioc, 0); 4452 if (retval) { 4453 ioc_err(mrioc, "Failed to re-setup ISR, error %d\n", 4454 retval); 4455 goto out_failed_noretry; 4456 } 4457 4458 retval = mpi3mr_create_op_queues(mrioc); 4459 if (retval) { 4460 ioc_err(mrioc, "Failed to create OpQueues error %d\n", 4461 retval); 4462 goto out_failed; 4463 } 4464 4465 if (!mrioc->pel_seqnum_virt) { 4466 dprint_init(mrioc, "allocating memory for pel_seqnum_virt\n"); 4467 mrioc->pel_seqnum_sz = sizeof(struct mpi3_pel_seq); 4468 mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev, 4469 mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma, 4470 GFP_KERNEL); 4471 if (!mrioc->pel_seqnum_virt) { 4472 retval = -ENOMEM; 4473 goto out_failed_noretry; 4474 } 4475 } 4476 4477 if (!mrioc->throttle_groups && mrioc->num_io_throttle_group) { 4478 dprint_init(mrioc, "allocating memory for throttle groups\n"); 4479 sz = sizeof(struct mpi3mr_throttle_group_info); 4480 mrioc->throttle_groups = kcalloc(mrioc->num_io_throttle_group, sz, GFP_KERNEL); 4481 if (!mrioc->throttle_groups) { 4482 retval = -1; 4483 goto out_failed_noretry; 4484 } 4485 } 4486 4487 retval = mpi3mr_enable_events(mrioc); 4488 if (retval) { 4489 ioc_err(mrioc, "failed to enable events %d\n", 4490 retval); 4491 goto out_failed; 4492 } 4493 4494 retval = mpi3mr_refresh_trigger(mrioc, MPI3_CONFIG_ACTION_READ_CURRENT); 4495 if (retval) { 4496 ioc_err(mrioc, "failed to refresh triggers\n"); 4497 goto out_failed; 4498 } 4499 4500 ioc_info(mrioc, "controller initialization completed successfully\n"); 4501 return retval; 4502 out_failed: 4503 if (retry < 2) { 4504 retry++; 4505 ioc_warn(mrioc, "retrying controller initialization, retry_count:%d\n", 4506 retry); 4507 mpi3mr_memset_buffers(mrioc); 4508 goto retry_init; 4509 } 4510 retval = -1; 4511 out_failed_noretry: 4512 ioc_err(mrioc, "controller initialization failed\n"); 4513 mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, 4514 MPI3MR_RESET_FROM_CTLR_CLEANUP); 4515 mrioc->unrecoverable = 1; 4516 return retval; 4517 } 4518 4519 /** 4520 * mpi3mr_reinit_ioc - Re-Initialize the controller 4521 * @mrioc: Adapter instance reference 4522 * @is_resume: Called from resume or reset path 4523 * 4524 * This the controller re-initialization routine, executed from 4525 * the soft reset handler or resume callback. Creates 4526 * operational reply queue pairs, allocate required memory for 4527 * reply pool, sense buffer pool, issue IOC init request to the 4528 * firmware, unmask the events and issue port enable to discover 4529 * SAS/SATA/NVMe devices and RAID volumes. 4530 * 4531 * Return: 0 on success and non-zero on failure. 4532 */ 4533 int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume) 4534 { 4535 int retval = 0; 4536 u8 retry = 0; 4537 struct mpi3_ioc_facts_data facts_data; 4538 u32 pe_timeout, ioc_status; 4539 4540 retry_init: 4541 pe_timeout = 4542 (MPI3MR_PORTENABLE_TIMEOUT / MPI3MR_PORTENABLE_POLL_INTERVAL); 4543 4544 dprint_reset(mrioc, "bringing up the controller to ready state\n"); 4545 retval = mpi3mr_bring_ioc_ready(mrioc); 4546 if (retval) { 4547 ioc_err(mrioc, "failed to bring to ready state\n"); 4548 goto out_failed_noretry; 4549 } 4550 4551 mrioc->io_admin_reset_sync = 0; 4552 if (is_resume || mrioc->block_on_pci_err) { 4553 dprint_reset(mrioc, "setting up single ISR\n"); 4554 retval = mpi3mr_setup_isr(mrioc, 1); 4555 if (retval) { 4556 ioc_err(mrioc, "failed to setup ISR\n"); 4557 goto out_failed_noretry; 4558 } 4559 } else 4560 mpi3mr_ioc_enable_intr(mrioc); 4561 4562 dprint_reset(mrioc, "getting ioc_facts\n"); 4563 retval = mpi3mr_issue_iocfacts(mrioc, &facts_data); 4564 if (retval) { 4565 ioc_err(mrioc, "failed to get ioc_facts\n"); 4566 goto out_failed; 4567 } 4568 4569 dprint_reset(mrioc, "validating ioc_facts\n"); 4570 retval = mpi3mr_revalidate_factsdata(mrioc); 4571 if (retval) { 4572 ioc_err(mrioc, "failed to revalidate ioc_facts data\n"); 4573 goto out_failed_noretry; 4574 } 4575 4576 mpi3mr_read_tsu_interval(mrioc); 4577 mpi3mr_print_ioc_info(mrioc); 4578 4579 if (is_resume) { 4580 dprint_reset(mrioc, "posting host diag buffers\n"); 4581 retval = mpi3mr_post_diag_bufs(mrioc); 4582 if (retval) 4583 ioc_warn(mrioc, "failed to post host diag buffers\n"); 4584 } else { 4585 retval = mpi3mr_repost_diag_bufs(mrioc); 4586 if (retval) 4587 ioc_warn(mrioc, "failed to re post host diag buffers\n"); 4588 } 4589 4590 dprint_reset(mrioc, "sending ioc_init\n"); 4591 retval = mpi3mr_issue_iocinit(mrioc); 4592 if (retval) { 4593 ioc_err(mrioc, "failed to send ioc_init\n"); 4594 goto out_failed; 4595 } 4596 4597 dprint_reset(mrioc, "getting package version\n"); 4598 retval = mpi3mr_print_pkg_ver(mrioc); 4599 if (retval) { 4600 ioc_err(mrioc, "failed to get package version\n"); 4601 goto out_failed; 4602 } 4603 4604 if (is_resume || mrioc->block_on_pci_err) { 4605 dprint_reset(mrioc, "setting up multiple ISR\n"); 4606 retval = mpi3mr_setup_isr(mrioc, 0); 4607 if (retval) { 4608 ioc_err(mrioc, "failed to re-setup ISR\n"); 4609 goto out_failed_noretry; 4610 } 4611 } 4612 4613 dprint_reset(mrioc, "creating operational queue pairs\n"); 4614 retval = mpi3mr_create_op_queues(mrioc); 4615 if (retval) { 4616 ioc_err(mrioc, "failed to create operational queue pairs\n"); 4617 goto out_failed; 4618 } 4619 4620 if (!mrioc->pel_seqnum_virt) { 4621 dprint_reset(mrioc, "allocating memory for pel_seqnum_virt\n"); 4622 mrioc->pel_seqnum_sz = sizeof(struct mpi3_pel_seq); 4623 mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev, 4624 mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma, 4625 GFP_KERNEL); 4626 if (!mrioc->pel_seqnum_virt) { 4627 retval = -ENOMEM; 4628 goto out_failed_noretry; 4629 } 4630 } 4631 4632 if (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q) { 4633 ioc_err(mrioc, 4634 "cannot create minimum number of operational queues expected:%d created:%d\n", 4635 mrioc->shost->nr_hw_queues, mrioc->num_op_reply_q); 4636 retval = -1; 4637 goto out_failed_noretry; 4638 } 4639 4640 dprint_reset(mrioc, "enabling events\n"); 4641 retval = mpi3mr_enable_events(mrioc); 4642 if (retval) { 4643 ioc_err(mrioc, "failed to enable events\n"); 4644 goto out_failed; 4645 } 4646 4647 mrioc->device_refresh_on = 1; 4648 mpi3mr_add_event_wait_for_device_refresh(mrioc); 4649 4650 ioc_info(mrioc, "sending port enable\n"); 4651 retval = mpi3mr_issue_port_enable(mrioc, 1); 4652 if (retval) { 4653 ioc_err(mrioc, "failed to issue port enable\n"); 4654 goto out_failed; 4655 } 4656 do { 4657 ssleep(MPI3MR_PORTENABLE_POLL_INTERVAL); 4658 if (mrioc->init_cmds.state == MPI3MR_CMD_NOTUSED) 4659 break; 4660 if (!pci_device_is_present(mrioc->pdev)) 4661 mrioc->unrecoverable = 1; 4662 if (mrioc->unrecoverable) { 4663 retval = -1; 4664 goto out_failed_noretry; 4665 } 4666 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 4667 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) || 4668 (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) { 4669 mpi3mr_print_fault_info(mrioc); 4670 mrioc->init_cmds.is_waiting = 0; 4671 mrioc->init_cmds.callback = NULL; 4672 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 4673 goto out_failed; 4674 } 4675 } while (--pe_timeout); 4676 4677 if (!pe_timeout) { 4678 ioc_err(mrioc, "port enable timed out\n"); 4679 mpi3mr_check_rh_fault_ioc(mrioc, 4680 MPI3MR_RESET_FROM_PE_TIMEOUT); 4681 mrioc->init_cmds.is_waiting = 0; 4682 mrioc->init_cmds.callback = NULL; 4683 mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; 4684 goto out_failed; 4685 } else if (mrioc->scan_failed) { 4686 ioc_err(mrioc, 4687 "port enable failed with status=0x%04x\n", 4688 mrioc->scan_failed); 4689 } else 4690 ioc_info(mrioc, "port enable completed successfully\n"); 4691 4692 ioc_info(mrioc, "controller %s completed successfully\n", 4693 (is_resume)?"resume":"re-initialization"); 4694 return retval; 4695 out_failed: 4696 if (retry < 2) { 4697 retry++; 4698 ioc_warn(mrioc, "retrying controller %s, retry_count:%d\n", 4699 (is_resume)?"resume":"re-initialization", retry); 4700 mpi3mr_memset_buffers(mrioc); 4701 goto retry_init; 4702 } 4703 retval = -1; 4704 out_failed_noretry: 4705 ioc_err(mrioc, "controller %s is failed\n", 4706 (is_resume)?"resume":"re-initialization"); 4707 mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, 4708 MPI3MR_RESET_FROM_CTLR_CLEANUP); 4709 mrioc->unrecoverable = 1; 4710 return retval; 4711 } 4712 4713 /** 4714 * mpi3mr_memset_op_reply_q_buffers - memset the operational reply queue's 4715 * segments 4716 * @mrioc: Adapter instance reference 4717 * @qidx: Operational reply queue index 4718 * 4719 * Return: Nothing. 4720 */ 4721 static void mpi3mr_memset_op_reply_q_buffers(struct mpi3mr_ioc *mrioc, u16 qidx) 4722 { 4723 struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx; 4724 struct segments *segments; 4725 int i, size; 4726 4727 if (!op_reply_q->q_segments) 4728 return; 4729 4730 size = op_reply_q->segment_qd * mrioc->op_reply_desc_sz; 4731 segments = op_reply_q->q_segments; 4732 for (i = 0; i < op_reply_q->num_segments; i++) 4733 memset(segments[i].segment, 0, size); 4734 } 4735 4736 /** 4737 * mpi3mr_memset_op_req_q_buffers - memset the operational request queue's 4738 * segments 4739 * @mrioc: Adapter instance reference 4740 * @qidx: Operational request queue index 4741 * 4742 * Return: Nothing. 4743 */ 4744 static void mpi3mr_memset_op_req_q_buffers(struct mpi3mr_ioc *mrioc, u16 qidx) 4745 { 4746 struct op_req_qinfo *op_req_q = mrioc->req_qinfo + qidx; 4747 struct segments *segments; 4748 int i, size; 4749 4750 if (!op_req_q->q_segments) 4751 return; 4752 4753 size = op_req_q->segment_qd * mrioc->facts.op_req_sz; 4754 segments = op_req_q->q_segments; 4755 for (i = 0; i < op_req_q->num_segments; i++) 4756 memset(segments[i].segment, 0, size); 4757 } 4758 4759 /** 4760 * mpi3mr_memset_buffers - memset memory for a controller 4761 * @mrioc: Adapter instance reference 4762 * 4763 * clear all the memory allocated for a controller, typically 4764 * called post reset to reuse the memory allocated during the 4765 * controller init. 4766 * 4767 * Return: Nothing. 4768 */ 4769 void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc) 4770 { 4771 u16 i; 4772 struct mpi3mr_throttle_group_info *tg; 4773 4774 mrioc->change_count = 0; 4775 mrioc->active_poll_qcount = 0; 4776 mrioc->default_qcount = 0; 4777 if (mrioc->admin_req_base) 4778 memset(mrioc->admin_req_base, 0, mrioc->admin_req_q_sz); 4779 if (mrioc->admin_reply_base) 4780 memset(mrioc->admin_reply_base, 0, mrioc->admin_reply_q_sz); 4781 atomic_set(&mrioc->admin_reply_q_in_use, 0); 4782 atomic_set(&mrioc->admin_pend_isr, 0); 4783 4784 if (mrioc->init_cmds.reply) { 4785 memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply)); 4786 memset(mrioc->bsg_cmds.reply, 0, 4787 sizeof(*mrioc->bsg_cmds.reply)); 4788 memset(mrioc->host_tm_cmds.reply, 0, 4789 sizeof(*mrioc->host_tm_cmds.reply)); 4790 memset(mrioc->pel_cmds.reply, 0, 4791 sizeof(*mrioc->pel_cmds.reply)); 4792 memset(mrioc->pel_abort_cmd.reply, 0, 4793 sizeof(*mrioc->pel_abort_cmd.reply)); 4794 memset(mrioc->transport_cmds.reply, 0, 4795 sizeof(*mrioc->transport_cmds.reply)); 4796 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) 4797 memset(mrioc->dev_rmhs_cmds[i].reply, 0, 4798 sizeof(*mrioc->dev_rmhs_cmds[i].reply)); 4799 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) 4800 memset(mrioc->evtack_cmds[i].reply, 0, 4801 sizeof(*mrioc->evtack_cmds[i].reply)); 4802 bitmap_clear(mrioc->removepend_bitmap, 0, 4803 mrioc->dev_handle_bitmap_bits); 4804 bitmap_clear(mrioc->devrem_bitmap, 0, MPI3MR_NUM_DEVRMCMD); 4805 bitmap_clear(mrioc->evtack_cmds_bitmap, 0, 4806 MPI3MR_NUM_EVTACKCMD); 4807 } 4808 4809 for (i = 0; i < mrioc->num_queues; i++) { 4810 mrioc->op_reply_qinfo[i].qid = 0; 4811 mrioc->op_reply_qinfo[i].ci = 0; 4812 mrioc->op_reply_qinfo[i].num_replies = 0; 4813 mrioc->op_reply_qinfo[i].ephase = 0; 4814 atomic_set(&mrioc->op_reply_qinfo[i].pend_ios, 0); 4815 atomic_set(&mrioc->op_reply_qinfo[i].in_use, 0); 4816 mpi3mr_memset_op_reply_q_buffers(mrioc, i); 4817 4818 mrioc->req_qinfo[i].ci = 0; 4819 mrioc->req_qinfo[i].pi = 0; 4820 mrioc->req_qinfo[i].num_requests = 0; 4821 mrioc->req_qinfo[i].qid = 0; 4822 mrioc->req_qinfo[i].reply_qid = 0; 4823 spin_lock_init(&mrioc->req_qinfo[i].q_lock); 4824 mpi3mr_memset_op_req_q_buffers(mrioc, i); 4825 } 4826 4827 atomic_set(&mrioc->pend_large_data_sz, 0); 4828 if (mrioc->throttle_groups) { 4829 tg = mrioc->throttle_groups; 4830 for (i = 0; i < mrioc->num_io_throttle_group; i++, tg++) { 4831 tg->id = 0; 4832 tg->fw_qd = 0; 4833 tg->modified_qd = 0; 4834 tg->io_divert = 0; 4835 tg->need_qd_reduction = 0; 4836 tg->high = 0; 4837 tg->low = 0; 4838 tg->qd_reduction = 0; 4839 atomic_set(&tg->pend_large_data_sz, 0); 4840 } 4841 } 4842 } 4843 4844 /** 4845 * mpi3mr_free_mem - Free memory allocated for a controller 4846 * @mrioc: Adapter instance reference 4847 * 4848 * Free all the memory allocated for a controller. 4849 * 4850 * Return: Nothing. 4851 */ 4852 void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) 4853 { 4854 u16 i, j; 4855 struct mpi3mr_intr_info *intr_info; 4856 struct diag_buffer_desc *diag_buffer; 4857 4858 mpi3mr_free_enclosure_list(mrioc); 4859 mpi3mr_free_ioctl_dma_memory(mrioc); 4860 4861 if (mrioc->sense_buf_pool) { 4862 if (mrioc->sense_buf) 4863 dma_pool_free(mrioc->sense_buf_pool, mrioc->sense_buf, 4864 mrioc->sense_buf_dma); 4865 dma_pool_destroy(mrioc->sense_buf_pool); 4866 mrioc->sense_buf = NULL; 4867 mrioc->sense_buf_pool = NULL; 4868 } 4869 if (mrioc->sense_buf_q_pool) { 4870 if (mrioc->sense_buf_q) 4871 dma_pool_free(mrioc->sense_buf_q_pool, 4872 mrioc->sense_buf_q, mrioc->sense_buf_q_dma); 4873 dma_pool_destroy(mrioc->sense_buf_q_pool); 4874 mrioc->sense_buf_q = NULL; 4875 mrioc->sense_buf_q_pool = NULL; 4876 } 4877 4878 if (mrioc->reply_buf_pool) { 4879 if (mrioc->reply_buf) 4880 dma_pool_free(mrioc->reply_buf_pool, mrioc->reply_buf, 4881 mrioc->reply_buf_dma); 4882 dma_pool_destroy(mrioc->reply_buf_pool); 4883 mrioc->reply_buf = NULL; 4884 mrioc->reply_buf_pool = NULL; 4885 } 4886 if (mrioc->reply_free_q_pool) { 4887 if (mrioc->reply_free_q) 4888 dma_pool_free(mrioc->reply_free_q_pool, 4889 mrioc->reply_free_q, mrioc->reply_free_q_dma); 4890 dma_pool_destroy(mrioc->reply_free_q_pool); 4891 mrioc->reply_free_q = NULL; 4892 mrioc->reply_free_q_pool = NULL; 4893 } 4894 4895 for (i = 0; i < mrioc->num_op_req_q; i++) 4896 mpi3mr_free_op_req_q_segments(mrioc, i); 4897 4898 for (i = 0; i < mrioc->num_op_reply_q; i++) 4899 mpi3mr_free_op_reply_q_segments(mrioc, i); 4900 4901 for (i = 0; i < mrioc->intr_info_count; i++) { 4902 intr_info = mrioc->intr_info + i; 4903 intr_info->op_reply_q = NULL; 4904 } 4905 4906 kfree(mrioc->req_qinfo); 4907 mrioc->req_qinfo = NULL; 4908 mrioc->num_op_req_q = 0; 4909 4910 kfree(mrioc->op_reply_qinfo); 4911 mrioc->op_reply_qinfo = NULL; 4912 mrioc->num_op_reply_q = 0; 4913 4914 kfree(mrioc->init_cmds.reply); 4915 mrioc->init_cmds.reply = NULL; 4916 4917 kfree(mrioc->bsg_cmds.reply); 4918 mrioc->bsg_cmds.reply = NULL; 4919 4920 kfree(mrioc->host_tm_cmds.reply); 4921 mrioc->host_tm_cmds.reply = NULL; 4922 4923 kfree(mrioc->pel_cmds.reply); 4924 mrioc->pel_cmds.reply = NULL; 4925 4926 kfree(mrioc->pel_abort_cmd.reply); 4927 mrioc->pel_abort_cmd.reply = NULL; 4928 4929 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) { 4930 kfree(mrioc->evtack_cmds[i].reply); 4931 mrioc->evtack_cmds[i].reply = NULL; 4932 } 4933 4934 bitmap_free(mrioc->removepend_bitmap); 4935 mrioc->removepend_bitmap = NULL; 4936 4937 bitmap_free(mrioc->devrem_bitmap); 4938 mrioc->devrem_bitmap = NULL; 4939 4940 bitmap_free(mrioc->evtack_cmds_bitmap); 4941 mrioc->evtack_cmds_bitmap = NULL; 4942 4943 bitmap_free(mrioc->chain_bitmap); 4944 mrioc->chain_bitmap = NULL; 4945 4946 kfree(mrioc->transport_cmds.reply); 4947 mrioc->transport_cmds.reply = NULL; 4948 4949 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) { 4950 kfree(mrioc->dev_rmhs_cmds[i].reply); 4951 mrioc->dev_rmhs_cmds[i].reply = NULL; 4952 } 4953 4954 if (mrioc->chain_buf_pool) { 4955 for (i = 0; i < mrioc->chain_buf_count; i++) { 4956 if (mrioc->chain_sgl_list[i].addr) { 4957 dma_pool_free(mrioc->chain_buf_pool, 4958 mrioc->chain_sgl_list[i].addr, 4959 mrioc->chain_sgl_list[i].dma_addr); 4960 mrioc->chain_sgl_list[i].addr = NULL; 4961 } 4962 } 4963 dma_pool_destroy(mrioc->chain_buf_pool); 4964 mrioc->chain_buf_pool = NULL; 4965 } 4966 4967 kfree(mrioc->chain_sgl_list); 4968 mrioc->chain_sgl_list = NULL; 4969 4970 if (mrioc->admin_reply_base) { 4971 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_reply_q_sz, 4972 mrioc->admin_reply_base, mrioc->admin_reply_dma); 4973 mrioc->admin_reply_base = NULL; 4974 } 4975 if (mrioc->admin_req_base) { 4976 dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_req_q_sz, 4977 mrioc->admin_req_base, mrioc->admin_req_dma); 4978 mrioc->admin_req_base = NULL; 4979 } 4980 4981 if (mrioc->pel_seqnum_virt) { 4982 dma_free_coherent(&mrioc->pdev->dev, mrioc->pel_seqnum_sz, 4983 mrioc->pel_seqnum_virt, mrioc->pel_seqnum_dma); 4984 mrioc->pel_seqnum_virt = NULL; 4985 } 4986 4987 for (i = 0; i < MPI3MR_MAX_NUM_HDB; i++) { 4988 diag_buffer = &mrioc->diag_buffers[i]; 4989 if ((i == 0) && mrioc->seg_tb_support) { 4990 if (mrioc->trace_buf_pool) { 4991 for (j = 0; j < mrioc->num_tb_segs; j++) { 4992 if (mrioc->trace_buf[j].segment) { 4993 dma_pool_free(mrioc->trace_buf_pool, 4994 mrioc->trace_buf[j].segment, 4995 mrioc->trace_buf[j].segment_dma); 4996 mrioc->trace_buf[j].segment = NULL; 4997 } 4998 4999 mrioc->trace_buf[j].segment = NULL; 5000 } 5001 dma_pool_destroy(mrioc->trace_buf_pool); 5002 mrioc->trace_buf_pool = NULL; 5003 } 5004 5005 kfree(mrioc->trace_buf); 5006 mrioc->trace_buf = NULL; 5007 diag_buffer->size = sizeof(u64) * mrioc->num_tb_segs; 5008 } 5009 if (diag_buffer->addr) { 5010 dma_free_coherent(&mrioc->pdev->dev, 5011 diag_buffer->size, diag_buffer->addr, 5012 diag_buffer->dma_addr); 5013 diag_buffer->addr = NULL; 5014 diag_buffer->size = 0; 5015 diag_buffer->type = 0; 5016 diag_buffer->status = 0; 5017 } 5018 } 5019 5020 kfree(mrioc->throttle_groups); 5021 mrioc->throttle_groups = NULL; 5022 5023 kfree(mrioc->logdata_buf); 5024 mrioc->logdata_buf = NULL; 5025 5026 } 5027 5028 /** 5029 * mpi3mr_issue_ioc_shutdown - shutdown controller 5030 * @mrioc: Adapter instance reference 5031 * 5032 * Send shutodwn notification to the controller and wait for the 5033 * shutdown_timeout for it to be completed. 5034 * 5035 * Return: Nothing. 5036 */ 5037 static void mpi3mr_issue_ioc_shutdown(struct mpi3mr_ioc *mrioc) 5038 { 5039 u32 ioc_config, ioc_status; 5040 u8 retval = 1; 5041 u32 timeout = MPI3MR_DEFAULT_SHUTDOWN_TIME * 10; 5042 5043 ioc_info(mrioc, "Issuing shutdown Notification\n"); 5044 if (mrioc->unrecoverable) { 5045 ioc_warn(mrioc, 5046 "IOC is unrecoverable shutdown is not issued\n"); 5047 return; 5048 } 5049 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 5050 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK) 5051 == MPI3_SYSIF_IOC_STATUS_SHUTDOWN_IN_PROGRESS) { 5052 ioc_info(mrioc, "shutdown already in progress\n"); 5053 return; 5054 } 5055 5056 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 5057 ioc_config |= MPI3_SYSIF_IOC_CONFIG_SHUTDOWN_NORMAL; 5058 ioc_config |= MPI3_SYSIF_IOC_CONFIG_DEVICE_SHUTDOWN_SEND_REQ; 5059 5060 writel(ioc_config, &mrioc->sysif_regs->ioc_configuration); 5061 5062 if (mrioc->facts.shutdown_timeout) 5063 timeout = mrioc->facts.shutdown_timeout * 10; 5064 5065 do { 5066 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 5067 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK) 5068 == MPI3_SYSIF_IOC_STATUS_SHUTDOWN_COMPLETE) { 5069 retval = 0; 5070 break; 5071 } 5072 msleep(100); 5073 } while (--timeout); 5074 5075 ioc_status = readl(&mrioc->sysif_regs->ioc_status); 5076 ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); 5077 5078 if (retval) { 5079 if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK) 5080 == MPI3_SYSIF_IOC_STATUS_SHUTDOWN_IN_PROGRESS) 5081 ioc_warn(mrioc, 5082 "shutdown still in progress after timeout\n"); 5083 } 5084 5085 ioc_info(mrioc, 5086 "Base IOC Sts/Config after %s shutdown is (0x%08x)/(0x%08x)\n", 5087 (!retval) ? "successful" : "failed", ioc_status, 5088 ioc_config); 5089 } 5090 5091 /** 5092 * mpi3mr_cleanup_ioc - Cleanup controller 5093 * @mrioc: Adapter instance reference 5094 * 5095 * controller cleanup handler, Message unit reset or soft reset 5096 * and shutdown notification is issued to the controller. 5097 * 5098 * Return: Nothing. 5099 */ 5100 void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc) 5101 { 5102 enum mpi3mr_iocstate ioc_state; 5103 5104 dprint_exit(mrioc, "cleaning up the controller\n"); 5105 mpi3mr_ioc_disable_intr(mrioc); 5106 5107 ioc_state = mpi3mr_get_iocstate(mrioc); 5108 5109 if (!mrioc->unrecoverable && !mrioc->reset_in_progress && 5110 !mrioc->pci_err_recovery && 5111 (ioc_state == MRIOC_STATE_READY)) { 5112 if (mpi3mr_issue_and_process_mur(mrioc, 5113 MPI3MR_RESET_FROM_CTLR_CLEANUP)) 5114 mpi3mr_issue_reset(mrioc, 5115 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, 5116 MPI3MR_RESET_FROM_MUR_FAILURE); 5117 mpi3mr_issue_ioc_shutdown(mrioc); 5118 } 5119 dprint_exit(mrioc, "controller cleanup completed\n"); 5120 } 5121 5122 /** 5123 * mpi3mr_drv_cmd_comp_reset - Flush a internal driver command 5124 * @mrioc: Adapter instance reference 5125 * @cmdptr: Internal command tracker 5126 * 5127 * Complete an internal driver commands with state indicating it 5128 * is completed due to reset. 5129 * 5130 * Return: Nothing. 5131 */ 5132 static inline void mpi3mr_drv_cmd_comp_reset(struct mpi3mr_ioc *mrioc, 5133 struct mpi3mr_drv_cmd *cmdptr) 5134 { 5135 if (cmdptr->state & MPI3MR_CMD_PENDING) { 5136 cmdptr->state |= MPI3MR_CMD_RESET; 5137 cmdptr->state &= ~MPI3MR_CMD_PENDING; 5138 if (cmdptr->is_waiting) { 5139 complete(&cmdptr->done); 5140 cmdptr->is_waiting = 0; 5141 } else if (cmdptr->callback) 5142 cmdptr->callback(mrioc, cmdptr); 5143 } 5144 } 5145 5146 /** 5147 * mpi3mr_flush_drv_cmds - Flush internaldriver commands 5148 * @mrioc: Adapter instance reference 5149 * 5150 * Flush all internal driver commands post reset 5151 * 5152 * Return: Nothing. 5153 */ 5154 void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc) 5155 { 5156 struct mpi3mr_drv_cmd *cmdptr; 5157 u8 i; 5158 5159 cmdptr = &mrioc->init_cmds; 5160 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5161 5162 cmdptr = &mrioc->cfg_cmds; 5163 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5164 5165 cmdptr = &mrioc->bsg_cmds; 5166 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5167 cmdptr = &mrioc->host_tm_cmds; 5168 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5169 5170 for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) { 5171 cmdptr = &mrioc->dev_rmhs_cmds[i]; 5172 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5173 } 5174 5175 for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) { 5176 cmdptr = &mrioc->evtack_cmds[i]; 5177 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5178 } 5179 5180 cmdptr = &mrioc->pel_cmds; 5181 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5182 5183 cmdptr = &mrioc->pel_abort_cmd; 5184 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5185 5186 cmdptr = &mrioc->transport_cmds; 5187 mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); 5188 } 5189 5190 /** 5191 * mpi3mr_pel_wait_post - Issue PEL Wait 5192 * @mrioc: Adapter instance reference 5193 * @drv_cmd: Internal command tracker 5194 * 5195 * Issue PEL Wait MPI request through admin queue and return. 5196 * 5197 * Return: Nothing. 5198 */ 5199 static void mpi3mr_pel_wait_post(struct mpi3mr_ioc *mrioc, 5200 struct mpi3mr_drv_cmd *drv_cmd) 5201 { 5202 struct mpi3_pel_req_action_wait pel_wait; 5203 5204 mrioc->pel_abort_requested = false; 5205 5206 memset(&pel_wait, 0, sizeof(pel_wait)); 5207 drv_cmd->state = MPI3MR_CMD_PENDING; 5208 drv_cmd->is_waiting = 0; 5209 drv_cmd->callback = mpi3mr_pel_wait_complete; 5210 drv_cmd->ioc_status = 0; 5211 drv_cmd->ioc_loginfo = 0; 5212 pel_wait.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_PEL_WAIT); 5213 pel_wait.function = MPI3_FUNCTION_PERSISTENT_EVENT_LOG; 5214 pel_wait.action = MPI3_PEL_ACTION_WAIT; 5215 pel_wait.starting_sequence_number = cpu_to_le32(mrioc->pel_newest_seqnum); 5216 pel_wait.locale = cpu_to_le16(mrioc->pel_locale); 5217 pel_wait.class = cpu_to_le16(mrioc->pel_class); 5218 pel_wait.wait_time = MPI3_PEL_WAITTIME_INFINITE_WAIT; 5219 dprint_bsg_info(mrioc, "sending pel_wait seqnum(%d), class(%d), locale(0x%08x)\n", 5220 mrioc->pel_newest_seqnum, mrioc->pel_class, mrioc->pel_locale); 5221 5222 if (mpi3mr_admin_request_post(mrioc, &pel_wait, sizeof(pel_wait), 0)) { 5223 dprint_bsg_err(mrioc, 5224 "Issuing PELWait: Admin post failed\n"); 5225 drv_cmd->state = MPI3MR_CMD_NOTUSED; 5226 drv_cmd->callback = NULL; 5227 drv_cmd->retry_count = 0; 5228 mrioc->pel_enabled = false; 5229 } 5230 } 5231 5232 /** 5233 * mpi3mr_pel_get_seqnum_post - Issue PEL Get Sequence number 5234 * @mrioc: Adapter instance reference 5235 * @drv_cmd: Internal command tracker 5236 * 5237 * Issue PEL get sequence number MPI request through admin queue 5238 * and return. 5239 * 5240 * Return: 0 on success, non-zero on failure. 5241 */ 5242 int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc, 5243 struct mpi3mr_drv_cmd *drv_cmd) 5244 { 5245 struct mpi3_pel_req_action_get_sequence_numbers pel_getseq_req; 5246 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST; 5247 int retval = 0; 5248 5249 memset(&pel_getseq_req, 0, sizeof(pel_getseq_req)); 5250 mrioc->pel_cmds.state = MPI3MR_CMD_PENDING; 5251 mrioc->pel_cmds.is_waiting = 0; 5252 mrioc->pel_cmds.ioc_status = 0; 5253 mrioc->pel_cmds.ioc_loginfo = 0; 5254 mrioc->pel_cmds.callback = mpi3mr_pel_get_seqnum_complete; 5255 pel_getseq_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_PEL_WAIT); 5256 pel_getseq_req.function = MPI3_FUNCTION_PERSISTENT_EVENT_LOG; 5257 pel_getseq_req.action = MPI3_PEL_ACTION_GET_SEQNUM; 5258 mpi3mr_add_sg_single(&pel_getseq_req.sgl, sgl_flags, 5259 mrioc->pel_seqnum_sz, mrioc->pel_seqnum_dma); 5260 5261 retval = mpi3mr_admin_request_post(mrioc, &pel_getseq_req, 5262 sizeof(pel_getseq_req), 0); 5263 if (retval) { 5264 if (drv_cmd) { 5265 drv_cmd->state = MPI3MR_CMD_NOTUSED; 5266 drv_cmd->callback = NULL; 5267 drv_cmd->retry_count = 0; 5268 } 5269 mrioc->pel_enabled = false; 5270 } 5271 5272 return retval; 5273 } 5274 5275 /** 5276 * mpi3mr_pel_wait_complete - PELWait Completion callback 5277 * @mrioc: Adapter instance reference 5278 * @drv_cmd: Internal command tracker 5279 * 5280 * This is a callback handler for the PELWait request and 5281 * firmware completes a PELWait request when it is aborted or a 5282 * new PEL entry is available. This sends AEN to the application 5283 * and if the PELwait completion is not due to PELAbort then 5284 * this will send a request for new PEL Sequence number 5285 * 5286 * Return: Nothing. 5287 */ 5288 static void mpi3mr_pel_wait_complete(struct mpi3mr_ioc *mrioc, 5289 struct mpi3mr_drv_cmd *drv_cmd) 5290 { 5291 struct mpi3_pel_reply *pel_reply = NULL; 5292 u16 ioc_status, pe_log_status; 5293 bool do_retry = false; 5294 5295 if (drv_cmd->state & MPI3MR_CMD_RESET) 5296 goto cleanup_drv_cmd; 5297 5298 ioc_status = drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK; 5299 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 5300 ioc_err(mrioc, "%s: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", 5301 __func__, ioc_status, drv_cmd->ioc_loginfo); 5302 dprint_bsg_err(mrioc, 5303 "pel_wait: failed with ioc_status(0x%04x), log_info(0x%08x)\n", 5304 ioc_status, drv_cmd->ioc_loginfo); 5305 do_retry = true; 5306 } 5307 5308 if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID) 5309 pel_reply = (struct mpi3_pel_reply *)drv_cmd->reply; 5310 5311 if (!pel_reply) { 5312 dprint_bsg_err(mrioc, 5313 "pel_wait: failed due to no reply\n"); 5314 goto out_failed; 5315 } 5316 5317 pe_log_status = le16_to_cpu(pel_reply->pe_log_status); 5318 if ((pe_log_status != MPI3_PEL_STATUS_SUCCESS) && 5319 (pe_log_status != MPI3_PEL_STATUS_ABORTED)) { 5320 ioc_err(mrioc, "%s: Failed pe_log_status(0x%04x)\n", 5321 __func__, pe_log_status); 5322 dprint_bsg_err(mrioc, 5323 "pel_wait: failed due to pel_log_status(0x%04x)\n", 5324 pe_log_status); 5325 do_retry = true; 5326 } 5327 5328 if (do_retry) { 5329 if (drv_cmd->retry_count < MPI3MR_PEL_RETRY_COUNT) { 5330 drv_cmd->retry_count++; 5331 dprint_bsg_err(mrioc, "pel_wait: retrying(%d)\n", 5332 drv_cmd->retry_count); 5333 mpi3mr_pel_wait_post(mrioc, drv_cmd); 5334 return; 5335 } 5336 dprint_bsg_err(mrioc, 5337 "pel_wait: failed after all retries(%d)\n", 5338 drv_cmd->retry_count); 5339 goto out_failed; 5340 } 5341 atomic64_inc(&event_counter); 5342 if (!mrioc->pel_abort_requested) { 5343 mrioc->pel_cmds.retry_count = 0; 5344 mpi3mr_pel_get_seqnum_post(mrioc, &mrioc->pel_cmds); 5345 } 5346 5347 return; 5348 out_failed: 5349 mrioc->pel_enabled = false; 5350 cleanup_drv_cmd: 5351 drv_cmd->state = MPI3MR_CMD_NOTUSED; 5352 drv_cmd->callback = NULL; 5353 drv_cmd->retry_count = 0; 5354 } 5355 5356 /** 5357 * mpi3mr_pel_get_seqnum_complete - PELGetSeqNum Completion callback 5358 * @mrioc: Adapter instance reference 5359 * @drv_cmd: Internal command tracker 5360 * 5361 * This is a callback handler for the PEL get sequence number 5362 * request and a new PEL wait request will be issued to the 5363 * firmware from this 5364 * 5365 * Return: Nothing. 5366 */ 5367 void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc, 5368 struct mpi3mr_drv_cmd *drv_cmd) 5369 { 5370 struct mpi3_pel_reply *pel_reply = NULL; 5371 struct mpi3_pel_seq *pel_seqnum_virt; 5372 u16 ioc_status; 5373 bool do_retry = false; 5374 5375 pel_seqnum_virt = (struct mpi3_pel_seq *)mrioc->pel_seqnum_virt; 5376 5377 if (drv_cmd->state & MPI3MR_CMD_RESET) 5378 goto cleanup_drv_cmd; 5379 5380 ioc_status = drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK; 5381 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 5382 dprint_bsg_err(mrioc, 5383 "pel_get_seqnum: failed with ioc_status(0x%04x), log_info(0x%08x)\n", 5384 ioc_status, drv_cmd->ioc_loginfo); 5385 do_retry = true; 5386 } 5387 5388 if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID) 5389 pel_reply = (struct mpi3_pel_reply *)drv_cmd->reply; 5390 if (!pel_reply) { 5391 dprint_bsg_err(mrioc, 5392 "pel_get_seqnum: failed due to no reply\n"); 5393 goto out_failed; 5394 } 5395 5396 if (le16_to_cpu(pel_reply->pe_log_status) != MPI3_PEL_STATUS_SUCCESS) { 5397 dprint_bsg_err(mrioc, 5398 "pel_get_seqnum: failed due to pel_log_status(0x%04x)\n", 5399 le16_to_cpu(pel_reply->pe_log_status)); 5400 do_retry = true; 5401 } 5402 5403 if (do_retry) { 5404 if (drv_cmd->retry_count < MPI3MR_PEL_RETRY_COUNT) { 5405 drv_cmd->retry_count++; 5406 dprint_bsg_err(mrioc, 5407 "pel_get_seqnum: retrying(%d)\n", 5408 drv_cmd->retry_count); 5409 mpi3mr_pel_get_seqnum_post(mrioc, drv_cmd); 5410 return; 5411 } 5412 5413 dprint_bsg_err(mrioc, 5414 "pel_get_seqnum: failed after all retries(%d)\n", 5415 drv_cmd->retry_count); 5416 goto out_failed; 5417 } 5418 mrioc->pel_newest_seqnum = le32_to_cpu(pel_seqnum_virt->newest) + 1; 5419 drv_cmd->retry_count = 0; 5420 mpi3mr_pel_wait_post(mrioc, drv_cmd); 5421 5422 return; 5423 out_failed: 5424 mrioc->pel_enabled = false; 5425 cleanup_drv_cmd: 5426 drv_cmd->state = MPI3MR_CMD_NOTUSED; 5427 drv_cmd->callback = NULL; 5428 drv_cmd->retry_count = 0; 5429 } 5430 5431 /** 5432 * mpi3mr_check_op_admin_proc - 5433 * @mrioc: Adapter instance reference 5434 * 5435 * Check if any of the operation reply queues 5436 * or the admin reply queue are currently in use. 5437 * If any queue is in use, this function waits for 5438 * a maximum of 10 seconds for them to become available. 5439 * 5440 * Return: 0 on success, non-zero on failure. 5441 */ 5442 static int mpi3mr_check_op_admin_proc(struct mpi3mr_ioc *mrioc) 5443 { 5444 5445 u16 timeout = 10 * 10; 5446 u16 elapsed_time = 0; 5447 bool op_admin_in_use = false; 5448 5449 do { 5450 op_admin_in_use = false; 5451 5452 /* Check admin_reply queue first to exit early */ 5453 if (atomic_read(&mrioc->admin_reply_q_in_use) == 1) 5454 op_admin_in_use = true; 5455 else { 5456 /* Check op_reply queues */ 5457 int i; 5458 5459 for (i = 0; i < mrioc->num_queues; i++) { 5460 if (atomic_read(&mrioc->op_reply_qinfo[i].in_use) == 1) { 5461 op_admin_in_use = true; 5462 break; 5463 } 5464 } 5465 } 5466 5467 if (!op_admin_in_use) 5468 break; 5469 5470 msleep(100); 5471 5472 } while (++elapsed_time < timeout); 5473 5474 if (op_admin_in_use) 5475 return 1; 5476 5477 return 0; 5478 } 5479 5480 /** 5481 * mpi3mr_soft_reset_handler - Reset the controller 5482 * @mrioc: Adapter instance reference 5483 * @reset_reason: Reset reason code 5484 * @snapdump: Flag to generate snapdump in firmware or not 5485 * 5486 * This is an handler for recovering controller by issuing soft 5487 * reset are diag fault reset. This is a blocking function and 5488 * when one reset is executed if any other resets they will be 5489 * blocked. All BSG requests will be blocked during the reset. If 5490 * controller reset is successful then the controller will be 5491 * reinitalized, otherwise the controller will be marked as not 5492 * recoverable 5493 * 5494 * In snapdump bit is set, the controller is issued with diag 5495 * fault reset so that the firmware can create a snap dump and 5496 * post that the firmware will result in F000 fault and the 5497 * driver will issue soft reset to recover from that. 5498 * 5499 * Return: 0 on success, non-zero on failure. 5500 */ 5501 int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, 5502 u16 reset_reason, u8 snapdump) 5503 { 5504 int retval = 0, i; 5505 unsigned long flags; 5506 enum mpi3mr_iocstate ioc_state; 5507 u32 host_diagnostic, timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10; 5508 union mpi3mr_trigger_data trigger_data; 5509 5510 /* Block the reset handler until diag save in progress*/ 5511 dprint_reset(mrioc, 5512 "soft_reset_handler: check and block on diagsave_timeout(%d)\n", 5513 mrioc->diagsave_timeout); 5514 while (mrioc->diagsave_timeout) 5515 ssleep(1); 5516 /* 5517 * Block new resets until the currently executing one is finished and 5518 * return the status of the existing reset for all blocked resets 5519 */ 5520 dprint_reset(mrioc, "soft_reset_handler: acquiring reset_mutex\n"); 5521 if (!mutex_trylock(&mrioc->reset_mutex)) { 5522 ioc_info(mrioc, 5523 "controller reset triggered by %s is blocked due to another reset in progress\n", 5524 mpi3mr_reset_rc_name(reset_reason)); 5525 do { 5526 ssleep(1); 5527 } while (mrioc->reset_in_progress == 1); 5528 ioc_info(mrioc, 5529 "returning previous reset result(%d) for the reset triggered by %s\n", 5530 mrioc->prev_reset_result, 5531 mpi3mr_reset_rc_name(reset_reason)); 5532 return mrioc->prev_reset_result; 5533 } 5534 ioc_info(mrioc, "controller reset is triggered by %s\n", 5535 mpi3mr_reset_rc_name(reset_reason)); 5536 5537 mrioc->device_refresh_on = 0; 5538 scsi_block_requests(mrioc->shost); 5539 mrioc->reset_in_progress = 1; 5540 mrioc->stop_bsgs = 1; 5541 mrioc->prev_reset_result = -1; 5542 memset(&trigger_data, 0, sizeof(trigger_data)); 5543 5544 if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) && 5545 (reset_reason != MPI3MR_RESET_FROM_FIRMWARE) && 5546 (reset_reason != MPI3MR_RESET_FROM_CIACTIV_FAULT)) { 5547 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 5548 MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET, NULL, 0); 5549 dprint_reset(mrioc, 5550 "soft_reset_handler: releasing host diagnostic buffers\n"); 5551 mpi3mr_release_diag_bufs(mrioc, 0); 5552 for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++) 5553 mrioc->event_masks[i] = -1; 5554 5555 dprint_reset(mrioc, "soft_reset_handler: masking events\n"); 5556 mpi3mr_issue_event_notification(mrioc); 5557 } 5558 5559 mpi3mr_wait_for_host_io(mrioc, MPI3MR_RESET_HOST_IOWAIT_TIMEOUT); 5560 5561 mpi3mr_ioc_disable_intr(mrioc); 5562 mrioc->io_admin_reset_sync = 1; 5563 5564 if (snapdump) { 5565 retval = mpi3mr_issue_reset(mrioc, 5566 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason); 5567 if (!retval) { 5568 trigger_data.fault = (readl(&mrioc->sysif_regs->fault) & 5569 MPI3_SYSIF_FAULT_CODE_MASK); 5570 do { 5571 host_diagnostic = 5572 readl(&mrioc->sysif_regs->host_diagnostic); 5573 if (!(host_diagnostic & 5574 MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS)) 5575 break; 5576 msleep(100); 5577 } while (--timeout); 5578 5579 mpi3mr_save_fault_info(mrioc); 5580 mpi3mr_fault_uevent_emit(mrioc); 5581 mrioc->fwfault_counter++; 5582 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 5583 MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0); 5584 } 5585 } 5586 5587 retval = mpi3mr_issue_reset(mrioc, 5588 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, reset_reason); 5589 if (retval) { 5590 ioc_err(mrioc, "Failed to issue soft reset to the ioc\n"); 5591 goto out; 5592 } 5593 5594 retval = mpi3mr_check_op_admin_proc(mrioc); 5595 if (retval) { 5596 ioc_err(mrioc, "Soft reset failed due to an Admin or I/O queue polling\n" 5597 "thread still processing replies even after a 10 second\n" 5598 "timeout. Marking the controller as unrecoverable!\n"); 5599 5600 goto out; 5601 } 5602 5603 if (mrioc->num_io_throttle_group != 5604 mrioc->facts.max_io_throttle_group) { 5605 ioc_err(mrioc, 5606 "max io throttle group doesn't match old(%d), new(%d)\n", 5607 mrioc->num_io_throttle_group, 5608 mrioc->facts.max_io_throttle_group); 5609 retval = -EPERM; 5610 goto out; 5611 } 5612 5613 mpi3mr_flush_delayed_cmd_lists(mrioc); 5614 mpi3mr_flush_drv_cmds(mrioc); 5615 bitmap_clear(mrioc->devrem_bitmap, 0, MPI3MR_NUM_DEVRMCMD); 5616 bitmap_clear(mrioc->removepend_bitmap, 0, 5617 mrioc->dev_handle_bitmap_bits); 5618 bitmap_clear(mrioc->evtack_cmds_bitmap, 0, MPI3MR_NUM_EVTACKCMD); 5619 mpi3mr_flush_host_io(mrioc); 5620 mpi3mr_cleanup_fwevt_list(mrioc); 5621 mpi3mr_invalidate_devhandles(mrioc); 5622 mpi3mr_free_enclosure_list(mrioc); 5623 5624 if (mrioc->prepare_for_reset) { 5625 mrioc->prepare_for_reset = 0; 5626 mrioc->prepare_for_reset_timeout_counter = 0; 5627 } 5628 mpi3mr_memset_buffers(mrioc); 5629 mpi3mr_release_diag_bufs(mrioc, 1); 5630 mrioc->fw_release_trigger_active = false; 5631 mrioc->trace_release_trigger_active = false; 5632 mrioc->snapdump_trigger_active = false; 5633 mpi3mr_set_trigger_data_in_all_hdb(mrioc, 5634 MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET, NULL, 0); 5635 5636 dprint_reset(mrioc, 5637 "soft_reset_handler: reinitializing the controller\n"); 5638 retval = mpi3mr_reinit_ioc(mrioc, 0); 5639 if (retval) { 5640 pr_err(IOCNAME "reinit after soft reset failed: reason %d\n", 5641 mrioc->name, reset_reason); 5642 goto out; 5643 } 5644 ssleep(MPI3MR_RESET_TOPOLOGY_SETTLE_TIME); 5645 5646 out: 5647 if (!retval) { 5648 mrioc->diagsave_timeout = 0; 5649 mrioc->reset_in_progress = 0; 5650 scsi_unblock_requests(mrioc->shost); 5651 mrioc->pel_abort_requested = 0; 5652 if (mrioc->pel_enabled) { 5653 mrioc->pel_cmds.retry_count = 0; 5654 mpi3mr_pel_wait_post(mrioc, &mrioc->pel_cmds); 5655 } 5656 5657 mrioc->device_refresh_on = 0; 5658 5659 mrioc->ts_update_counter = 0; 5660 spin_lock_irqsave(&mrioc->watchdog_lock, flags); 5661 if (mrioc->watchdog_work_q) 5662 queue_delayed_work(mrioc->watchdog_work_q, 5663 &mrioc->watchdog_work, 5664 msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL)); 5665 spin_unlock_irqrestore(&mrioc->watchdog_lock, flags); 5666 mrioc->stop_bsgs = 0; 5667 if (mrioc->pel_enabled) 5668 atomic64_inc(&event_counter); 5669 } else { 5670 dprint_reset(mrioc, 5671 "soft_reset_handler failed, marking controller as unrecoverable\n"); 5672 ioc_state = mpi3mr_get_iocstate(mrioc); 5673 5674 if (ioc_state != MRIOC_STATE_FAULT) 5675 mpi3mr_issue_reset(mrioc, 5676 MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason); 5677 mrioc->device_refresh_on = 0; 5678 mrioc->unrecoverable = 1; 5679 mrioc->reset_in_progress = 0; 5680 scsi_unblock_requests(mrioc->shost); 5681 mrioc->stop_bsgs = 0; 5682 retval = -1; 5683 mpi3mr_flush_cmds_for_unrecovered_controller(mrioc); 5684 } 5685 mrioc->prev_reset_result = retval; 5686 mutex_unlock(&mrioc->reset_mutex); 5687 ioc_info(mrioc, "controller reset is %s\n", 5688 ((retval == 0) ? "successful" : "failed")); 5689 return retval; 5690 } 5691 5692 /** 5693 * mpi3mr_post_cfg_req - Issue config requests and wait 5694 * @mrioc: Adapter instance reference 5695 * @cfg_req: Configuration request 5696 * @timeout: Timeout in seconds 5697 * @ioc_status: Pointer to return ioc status 5698 * 5699 * A generic function for posting MPI3 configuration request to 5700 * the firmware. This blocks for the completion of request for 5701 * timeout seconds and if the request times out this function 5702 * faults the controller with proper reason code. 5703 * 5704 * On successful completion of the request this function returns 5705 * appropriate ioc status from the firmware back to the caller. 5706 * 5707 * Return: 0 on success, non-zero on failure. 5708 */ 5709 static int mpi3mr_post_cfg_req(struct mpi3mr_ioc *mrioc, 5710 struct mpi3_config_request *cfg_req, int timeout, u16 *ioc_status) 5711 { 5712 int retval = 0; 5713 5714 mutex_lock(&mrioc->cfg_cmds.mutex); 5715 if (mrioc->cfg_cmds.state & MPI3MR_CMD_PENDING) { 5716 retval = -1; 5717 ioc_err(mrioc, "sending config request failed due to command in use\n"); 5718 mutex_unlock(&mrioc->cfg_cmds.mutex); 5719 goto out; 5720 } 5721 mrioc->cfg_cmds.state = MPI3MR_CMD_PENDING; 5722 mrioc->cfg_cmds.is_waiting = 1; 5723 mrioc->cfg_cmds.callback = NULL; 5724 mrioc->cfg_cmds.ioc_status = 0; 5725 mrioc->cfg_cmds.ioc_loginfo = 0; 5726 5727 cfg_req->host_tag = cpu_to_le16(MPI3MR_HOSTTAG_CFG_CMDS); 5728 cfg_req->function = MPI3_FUNCTION_CONFIG; 5729 5730 init_completion(&mrioc->cfg_cmds.done); 5731 dprint_cfg_info(mrioc, "posting config request\n"); 5732 if (mrioc->logging_level & MPI3_DEBUG_CFG_INFO) 5733 dprint_dump(cfg_req, sizeof(struct mpi3_config_request), 5734 "mpi3_cfg_req"); 5735 retval = mpi3mr_admin_request_post(mrioc, cfg_req, sizeof(*cfg_req), 1); 5736 if (retval) { 5737 ioc_err(mrioc, "posting config request failed\n"); 5738 goto out_unlock; 5739 } 5740 wait_for_completion_timeout(&mrioc->cfg_cmds.done, (timeout * HZ)); 5741 if (!(mrioc->cfg_cmds.state & MPI3MR_CMD_COMPLETE)) { 5742 mpi3mr_check_rh_fault_ioc(mrioc, 5743 MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT); 5744 ioc_err(mrioc, "config request timed out\n"); 5745 retval = -1; 5746 goto out_unlock; 5747 } 5748 *ioc_status = mrioc->cfg_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK; 5749 if ((*ioc_status) != MPI3_IOCSTATUS_SUCCESS) 5750 dprint_cfg_err(mrioc, 5751 "cfg_page request returned with ioc_status(0x%04x), log_info(0x%08x)\n", 5752 *ioc_status, mrioc->cfg_cmds.ioc_loginfo); 5753 5754 out_unlock: 5755 mrioc->cfg_cmds.state = MPI3MR_CMD_NOTUSED; 5756 mutex_unlock(&mrioc->cfg_cmds.mutex); 5757 5758 out: 5759 return retval; 5760 } 5761 5762 /** 5763 * mpi3mr_process_cfg_req - config page request processor 5764 * @mrioc: Adapter instance reference 5765 * @cfg_req: Configuration request 5766 * @cfg_hdr: Configuration page header 5767 * @timeout: Timeout in seconds 5768 * @ioc_status: Pointer to return ioc status 5769 * @cfg_buf: Memory pointer to copy config page or header 5770 * @cfg_buf_sz: Size of the memory to get config page or header 5771 * 5772 * This is handler for config page read, write and config page 5773 * header read operations. 5774 * 5775 * This function expects the cfg_req to be populated with page 5776 * type, page number, action for the header read and with page 5777 * address for all other operations. 5778 * 5779 * The cfg_hdr can be passed as null for reading required header 5780 * details for read/write pages the cfg_hdr should point valid 5781 * configuration page header. 5782 * 5783 * This allocates dmaable memory based on the size of the config 5784 * buffer and set the SGE of the cfg_req. 5785 * 5786 * For write actions, the config page data has to be passed in 5787 * the cfg_buf and size of the data has to be mentioned in the 5788 * cfg_buf_sz. 5789 * 5790 * For read/header actions, on successful completion of the 5791 * request with successful ioc_status the data will be copied 5792 * into the cfg_buf limited to a minimum of actual page size and 5793 * cfg_buf_sz 5794 * 5795 * 5796 * Return: 0 on success, non-zero on failure. 5797 */ 5798 static int mpi3mr_process_cfg_req(struct mpi3mr_ioc *mrioc, 5799 struct mpi3_config_request *cfg_req, 5800 struct mpi3_config_page_header *cfg_hdr, int timeout, u16 *ioc_status, 5801 void *cfg_buf, u32 cfg_buf_sz) 5802 { 5803 struct dma_memory_desc mem_desc; 5804 int retval = -1; 5805 u8 invalid_action = 0; 5806 u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST; 5807 5808 memset(&mem_desc, 0, sizeof(struct dma_memory_desc)); 5809 5810 if (cfg_req->action == MPI3_CONFIG_ACTION_PAGE_HEADER) 5811 mem_desc.size = sizeof(struct mpi3_config_page_header); 5812 else { 5813 if (!cfg_hdr) { 5814 ioc_err(mrioc, "null config header passed for config action(%d), page_type(0x%02x), page_num(%d)\n", 5815 cfg_req->action, cfg_req->page_type, 5816 cfg_req->page_number); 5817 goto out; 5818 } 5819 switch (cfg_hdr->page_attribute & MPI3_CONFIG_PAGEATTR_MASK) { 5820 case MPI3_CONFIG_PAGEATTR_READ_ONLY: 5821 if (cfg_req->action 5822 != MPI3_CONFIG_ACTION_READ_CURRENT) 5823 invalid_action = 1; 5824 break; 5825 case MPI3_CONFIG_PAGEATTR_CHANGEABLE: 5826 if ((cfg_req->action == 5827 MPI3_CONFIG_ACTION_READ_PERSISTENT) || 5828 (cfg_req->action == 5829 MPI3_CONFIG_ACTION_WRITE_PERSISTENT)) 5830 invalid_action = 1; 5831 break; 5832 case MPI3_CONFIG_PAGEATTR_PERSISTENT: 5833 default: 5834 break; 5835 } 5836 if (invalid_action) { 5837 ioc_err(mrioc, 5838 "config action(%d) is not allowed for page_type(0x%02x), page_num(%d) with page_attribute(0x%02x)\n", 5839 cfg_req->action, cfg_req->page_type, 5840 cfg_req->page_number, cfg_hdr->page_attribute); 5841 goto out; 5842 } 5843 mem_desc.size = le16_to_cpu(cfg_hdr->page_length) * 4; 5844 cfg_req->page_length = cfg_hdr->page_length; 5845 cfg_req->page_version = cfg_hdr->page_version; 5846 } 5847 5848 mem_desc.addr = dma_alloc_coherent(&mrioc->pdev->dev, 5849 mem_desc.size, &mem_desc.dma_addr, GFP_KERNEL); 5850 5851 if (!mem_desc.addr) 5852 return retval; 5853 5854 mpi3mr_add_sg_single(&cfg_req->sgl, sgl_flags, mem_desc.size, 5855 mem_desc.dma_addr); 5856 5857 if ((cfg_req->action == MPI3_CONFIG_ACTION_WRITE_PERSISTENT) || 5858 (cfg_req->action == MPI3_CONFIG_ACTION_WRITE_CURRENT)) { 5859 memcpy(mem_desc.addr, cfg_buf, min_t(u16, mem_desc.size, 5860 cfg_buf_sz)); 5861 dprint_cfg_info(mrioc, "config buffer to be written\n"); 5862 if (mrioc->logging_level & MPI3_DEBUG_CFG_INFO) 5863 dprint_dump(mem_desc.addr, mem_desc.size, "cfg_buf"); 5864 } 5865 5866 if (mpi3mr_post_cfg_req(mrioc, cfg_req, timeout, ioc_status)) 5867 goto out; 5868 5869 retval = 0; 5870 if ((*ioc_status == MPI3_IOCSTATUS_SUCCESS) && 5871 (cfg_req->action != MPI3_CONFIG_ACTION_WRITE_PERSISTENT) && 5872 (cfg_req->action != MPI3_CONFIG_ACTION_WRITE_CURRENT)) { 5873 memcpy(cfg_buf, mem_desc.addr, min_t(u16, mem_desc.size, 5874 cfg_buf_sz)); 5875 dprint_cfg_info(mrioc, "config buffer read\n"); 5876 if (mrioc->logging_level & MPI3_DEBUG_CFG_INFO) 5877 dprint_dump(mem_desc.addr, mem_desc.size, "cfg_buf"); 5878 } 5879 5880 out: 5881 if (mem_desc.addr) { 5882 dma_free_coherent(&mrioc->pdev->dev, mem_desc.size, 5883 mem_desc.addr, mem_desc.dma_addr); 5884 mem_desc.addr = NULL; 5885 } 5886 5887 return retval; 5888 } 5889 5890 /** 5891 * mpi3mr_cfg_get_dev_pg0 - Read current device page0 5892 * @mrioc: Adapter instance reference 5893 * @ioc_status: Pointer to return ioc status 5894 * @dev_pg0: Pointer to return device page 0 5895 * @pg_sz: Size of the memory allocated to the page pointer 5896 * @form: The form to be used for addressing the page 5897 * @form_spec: Form specific information like device handle 5898 * 5899 * This is handler for config page read for a specific device 5900 * page0. The ioc_status has the controller returned ioc_status. 5901 * This routine doesn't check ioc_status to decide whether the 5902 * page read is success or not and it is the callers 5903 * responsibility. 5904 * 5905 * Return: 0 on success, non-zero on failure. 5906 */ 5907 int mpi3mr_cfg_get_dev_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status, 5908 struct mpi3_device_page0 *dev_pg0, u16 pg_sz, u32 form, u32 form_spec) 5909 { 5910 struct mpi3_config_page_header cfg_hdr; 5911 struct mpi3_config_request cfg_req; 5912 u32 page_address; 5913 5914 memset(dev_pg0, 0, pg_sz); 5915 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 5916 memset(&cfg_req, 0, sizeof(cfg_req)); 5917 5918 cfg_req.function = MPI3_FUNCTION_CONFIG; 5919 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 5920 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_DEVICE; 5921 cfg_req.page_number = 0; 5922 cfg_req.page_address = 0; 5923 5924 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 5925 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 5926 ioc_err(mrioc, "device page0 header read failed\n"); 5927 goto out_failed; 5928 } 5929 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) { 5930 ioc_err(mrioc, "device page0 header read failed with ioc_status(0x%04x)\n", 5931 *ioc_status); 5932 goto out_failed; 5933 } 5934 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 5935 page_address = ((form & MPI3_DEVICE_PGAD_FORM_MASK) | 5936 (form_spec & MPI3_DEVICE_PGAD_HANDLE_MASK)); 5937 cfg_req.page_address = cpu_to_le32(page_address); 5938 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 5939 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, dev_pg0, pg_sz)) { 5940 ioc_err(mrioc, "device page0 read failed\n"); 5941 goto out_failed; 5942 } 5943 return 0; 5944 out_failed: 5945 return -1; 5946 } 5947 5948 5949 /** 5950 * mpi3mr_cfg_get_sas_phy_pg0 - Read current SAS Phy page0 5951 * @mrioc: Adapter instance reference 5952 * @ioc_status: Pointer to return ioc status 5953 * @phy_pg0: Pointer to return SAS Phy page 0 5954 * @pg_sz: Size of the memory allocated to the page pointer 5955 * @form: The form to be used for addressing the page 5956 * @form_spec: Form specific information like phy number 5957 * 5958 * This is handler for config page read for a specific SAS Phy 5959 * page0. The ioc_status has the controller returned ioc_status. 5960 * This routine doesn't check ioc_status to decide whether the 5961 * page read is success or not and it is the callers 5962 * responsibility. 5963 * 5964 * Return: 0 on success, non-zero on failure. 5965 */ 5966 int mpi3mr_cfg_get_sas_phy_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status, 5967 struct mpi3_sas_phy_page0 *phy_pg0, u16 pg_sz, u32 form, 5968 u32 form_spec) 5969 { 5970 struct mpi3_config_page_header cfg_hdr; 5971 struct mpi3_config_request cfg_req; 5972 u32 page_address; 5973 5974 memset(phy_pg0, 0, pg_sz); 5975 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 5976 memset(&cfg_req, 0, sizeof(cfg_req)); 5977 5978 cfg_req.function = MPI3_FUNCTION_CONFIG; 5979 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 5980 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_PHY; 5981 cfg_req.page_number = 0; 5982 cfg_req.page_address = 0; 5983 5984 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 5985 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 5986 ioc_err(mrioc, "sas phy page0 header read failed\n"); 5987 goto out_failed; 5988 } 5989 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) { 5990 ioc_err(mrioc, "sas phy page0 header read failed with ioc_status(0x%04x)\n", 5991 *ioc_status); 5992 goto out_failed; 5993 } 5994 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 5995 page_address = ((form & MPI3_SAS_PHY_PGAD_FORM_MASK) | 5996 (form_spec & MPI3_SAS_PHY_PGAD_PHY_NUMBER_MASK)); 5997 cfg_req.page_address = cpu_to_le32(page_address); 5998 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 5999 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, phy_pg0, pg_sz)) { 6000 ioc_err(mrioc, "sas phy page0 read failed\n"); 6001 goto out_failed; 6002 } 6003 return 0; 6004 out_failed: 6005 return -1; 6006 } 6007 6008 /** 6009 * mpi3mr_cfg_get_sas_phy_pg1 - Read current SAS Phy page1 6010 * @mrioc: Adapter instance reference 6011 * @ioc_status: Pointer to return ioc status 6012 * @phy_pg1: Pointer to return SAS Phy page 1 6013 * @pg_sz: Size of the memory allocated to the page pointer 6014 * @form: The form to be used for addressing the page 6015 * @form_spec: Form specific information like phy number 6016 * 6017 * This is handler for config page read for a specific SAS Phy 6018 * page1. The ioc_status has the controller returned ioc_status. 6019 * This routine doesn't check ioc_status to decide whether the 6020 * page read is success or not and it is the callers 6021 * responsibility. 6022 * 6023 * Return: 0 on success, non-zero on failure. 6024 */ 6025 int mpi3mr_cfg_get_sas_phy_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status, 6026 struct mpi3_sas_phy_page1 *phy_pg1, u16 pg_sz, u32 form, 6027 u32 form_spec) 6028 { 6029 struct mpi3_config_page_header cfg_hdr; 6030 struct mpi3_config_request cfg_req; 6031 u32 page_address; 6032 6033 memset(phy_pg1, 0, pg_sz); 6034 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6035 memset(&cfg_req, 0, sizeof(cfg_req)); 6036 6037 cfg_req.function = MPI3_FUNCTION_CONFIG; 6038 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6039 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_PHY; 6040 cfg_req.page_number = 1; 6041 cfg_req.page_address = 0; 6042 6043 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6044 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6045 ioc_err(mrioc, "sas phy page1 header read failed\n"); 6046 goto out_failed; 6047 } 6048 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6049 ioc_err(mrioc, "sas phy page1 header read failed with ioc_status(0x%04x)\n", 6050 *ioc_status); 6051 goto out_failed; 6052 } 6053 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6054 page_address = ((form & MPI3_SAS_PHY_PGAD_FORM_MASK) | 6055 (form_spec & MPI3_SAS_PHY_PGAD_PHY_NUMBER_MASK)); 6056 cfg_req.page_address = cpu_to_le32(page_address); 6057 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6058 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, phy_pg1, pg_sz)) { 6059 ioc_err(mrioc, "sas phy page1 read failed\n"); 6060 goto out_failed; 6061 } 6062 return 0; 6063 out_failed: 6064 return -1; 6065 } 6066 6067 6068 /** 6069 * mpi3mr_cfg_get_sas_exp_pg0 - Read current SAS Expander page0 6070 * @mrioc: Adapter instance reference 6071 * @ioc_status: Pointer to return ioc status 6072 * @exp_pg0: Pointer to return SAS Expander page 0 6073 * @pg_sz: Size of the memory allocated to the page pointer 6074 * @form: The form to be used for addressing the page 6075 * @form_spec: Form specific information like device handle 6076 * 6077 * This is handler for config page read for a specific SAS 6078 * Expander page0. The ioc_status has the controller returned 6079 * ioc_status. This routine doesn't check ioc_status to decide 6080 * whether the page read is success or not and it is the callers 6081 * responsibility. 6082 * 6083 * Return: 0 on success, non-zero on failure. 6084 */ 6085 int mpi3mr_cfg_get_sas_exp_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status, 6086 struct mpi3_sas_expander_page0 *exp_pg0, u16 pg_sz, u32 form, 6087 u32 form_spec) 6088 { 6089 struct mpi3_config_page_header cfg_hdr; 6090 struct mpi3_config_request cfg_req; 6091 u32 page_address; 6092 6093 memset(exp_pg0, 0, pg_sz); 6094 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6095 memset(&cfg_req, 0, sizeof(cfg_req)); 6096 6097 cfg_req.function = MPI3_FUNCTION_CONFIG; 6098 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6099 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_EXPANDER; 6100 cfg_req.page_number = 0; 6101 cfg_req.page_address = 0; 6102 6103 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6104 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6105 ioc_err(mrioc, "expander page0 header read failed\n"); 6106 goto out_failed; 6107 } 6108 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6109 ioc_err(mrioc, "expander page0 header read failed with ioc_status(0x%04x)\n", 6110 *ioc_status); 6111 goto out_failed; 6112 } 6113 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6114 page_address = ((form & MPI3_SAS_EXPAND_PGAD_FORM_MASK) | 6115 (form_spec & (MPI3_SAS_EXPAND_PGAD_PHYNUM_MASK | 6116 MPI3_SAS_EXPAND_PGAD_HANDLE_MASK))); 6117 cfg_req.page_address = cpu_to_le32(page_address); 6118 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6119 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, exp_pg0, pg_sz)) { 6120 ioc_err(mrioc, "expander page0 read failed\n"); 6121 goto out_failed; 6122 } 6123 return 0; 6124 out_failed: 6125 return -1; 6126 } 6127 6128 /** 6129 * mpi3mr_cfg_get_sas_exp_pg1 - Read current SAS Expander page1 6130 * @mrioc: Adapter instance reference 6131 * @ioc_status: Pointer to return ioc status 6132 * @exp_pg1: Pointer to return SAS Expander page 1 6133 * @pg_sz: Size of the memory allocated to the page pointer 6134 * @form: The form to be used for addressing the page 6135 * @form_spec: Form specific information like phy number 6136 * 6137 * This is handler for config page read for a specific SAS 6138 * Expander page1. The ioc_status has the controller returned 6139 * ioc_status. This routine doesn't check ioc_status to decide 6140 * whether the page read is success or not and it is the callers 6141 * responsibility. 6142 * 6143 * Return: 0 on success, non-zero on failure. 6144 */ 6145 int mpi3mr_cfg_get_sas_exp_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status, 6146 struct mpi3_sas_expander_page1 *exp_pg1, u16 pg_sz, u32 form, 6147 u32 form_spec) 6148 { 6149 struct mpi3_config_page_header cfg_hdr; 6150 struct mpi3_config_request cfg_req; 6151 u32 page_address; 6152 6153 memset(exp_pg1, 0, pg_sz); 6154 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6155 memset(&cfg_req, 0, sizeof(cfg_req)); 6156 6157 cfg_req.function = MPI3_FUNCTION_CONFIG; 6158 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6159 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_EXPANDER; 6160 cfg_req.page_number = 1; 6161 cfg_req.page_address = 0; 6162 6163 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6164 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6165 ioc_err(mrioc, "expander page1 header read failed\n"); 6166 goto out_failed; 6167 } 6168 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6169 ioc_err(mrioc, "expander page1 header read failed with ioc_status(0x%04x)\n", 6170 *ioc_status); 6171 goto out_failed; 6172 } 6173 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6174 page_address = ((form & MPI3_SAS_EXPAND_PGAD_FORM_MASK) | 6175 (form_spec & (MPI3_SAS_EXPAND_PGAD_PHYNUM_MASK | 6176 MPI3_SAS_EXPAND_PGAD_HANDLE_MASK))); 6177 cfg_req.page_address = cpu_to_le32(page_address); 6178 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6179 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, exp_pg1, pg_sz)) { 6180 ioc_err(mrioc, "expander page1 read failed\n"); 6181 goto out_failed; 6182 } 6183 return 0; 6184 out_failed: 6185 return -1; 6186 } 6187 6188 /** 6189 * mpi3mr_cfg_get_enclosure_pg0 - Read current Enclosure page0 6190 * @mrioc: Adapter instance reference 6191 * @ioc_status: Pointer to return ioc status 6192 * @encl_pg0: Pointer to return Enclosure page 0 6193 * @pg_sz: Size of the memory allocated to the page pointer 6194 * @form: The form to be used for addressing the page 6195 * @form_spec: Form specific information like device handle 6196 * 6197 * This is handler for config page read for a specific Enclosure 6198 * page0. The ioc_status has the controller returned ioc_status. 6199 * This routine doesn't check ioc_status to decide whether the 6200 * page read is success or not and it is the callers 6201 * responsibility. 6202 * 6203 * Return: 0 on success, non-zero on failure. 6204 */ 6205 int mpi3mr_cfg_get_enclosure_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status, 6206 struct mpi3_enclosure_page0 *encl_pg0, u16 pg_sz, u32 form, 6207 u32 form_spec) 6208 { 6209 struct mpi3_config_page_header cfg_hdr; 6210 struct mpi3_config_request cfg_req; 6211 u32 page_address; 6212 6213 memset(encl_pg0, 0, pg_sz); 6214 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6215 memset(&cfg_req, 0, sizeof(cfg_req)); 6216 6217 cfg_req.function = MPI3_FUNCTION_CONFIG; 6218 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6219 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_ENCLOSURE; 6220 cfg_req.page_number = 0; 6221 cfg_req.page_address = 0; 6222 6223 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6224 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6225 ioc_err(mrioc, "enclosure page0 header read failed\n"); 6226 goto out_failed; 6227 } 6228 if (*ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6229 ioc_err(mrioc, "enclosure page0 header read failed with ioc_status(0x%04x)\n", 6230 *ioc_status); 6231 goto out_failed; 6232 } 6233 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6234 page_address = ((form & MPI3_ENCLOS_PGAD_FORM_MASK) | 6235 (form_spec & MPI3_ENCLOS_PGAD_HANDLE_MASK)); 6236 cfg_req.page_address = cpu_to_le32(page_address); 6237 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6238 MPI3MR_INTADMCMD_TIMEOUT, ioc_status, encl_pg0, pg_sz)) { 6239 ioc_err(mrioc, "enclosure page0 read failed\n"); 6240 goto out_failed; 6241 } 6242 return 0; 6243 out_failed: 6244 return -1; 6245 } 6246 6247 6248 /** 6249 * mpi3mr_cfg_get_sas_io_unit_pg0 - Read current SASIOUnit page0 6250 * @mrioc: Adapter instance reference 6251 * @sas_io_unit_pg0: Pointer to return SAS IO Unit page 0 6252 * @pg_sz: Size of the memory allocated to the page pointer 6253 * 6254 * This is handler for config page read for the SAS IO Unit 6255 * page0. This routine checks ioc_status to decide whether the 6256 * page read is success or not. 6257 * 6258 * Return: 0 on success, non-zero on failure. 6259 */ 6260 int mpi3mr_cfg_get_sas_io_unit_pg0(struct mpi3mr_ioc *mrioc, 6261 struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0, u16 pg_sz) 6262 { 6263 struct mpi3_config_page_header cfg_hdr; 6264 struct mpi3_config_request cfg_req; 6265 u16 ioc_status = 0; 6266 6267 memset(sas_io_unit_pg0, 0, pg_sz); 6268 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6269 memset(&cfg_req, 0, sizeof(cfg_req)); 6270 6271 cfg_req.function = MPI3_FUNCTION_CONFIG; 6272 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6273 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_IO_UNIT; 6274 cfg_req.page_number = 0; 6275 cfg_req.page_address = 0; 6276 6277 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6278 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6279 ioc_err(mrioc, "sas io unit page0 header read failed\n"); 6280 goto out_failed; 6281 } 6282 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6283 ioc_err(mrioc, "sas io unit page0 header read failed with ioc_status(0x%04x)\n", 6284 ioc_status); 6285 goto out_failed; 6286 } 6287 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6288 6289 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6290 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg0, pg_sz)) { 6291 ioc_err(mrioc, "sas io unit page0 read failed\n"); 6292 goto out_failed; 6293 } 6294 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6295 ioc_err(mrioc, "sas io unit page0 read failed with ioc_status(0x%04x)\n", 6296 ioc_status); 6297 goto out_failed; 6298 } 6299 return 0; 6300 out_failed: 6301 return -1; 6302 } 6303 6304 /** 6305 * mpi3mr_cfg_get_sas_io_unit_pg1 - Read current SASIOUnit page1 6306 * @mrioc: Adapter instance reference 6307 * @sas_io_unit_pg1: Pointer to return SAS IO Unit page 1 6308 * @pg_sz: Size of the memory allocated to the page pointer 6309 * 6310 * This is handler for config page read for the SAS IO Unit 6311 * page1. This routine checks ioc_status to decide whether the 6312 * page read is success or not. 6313 * 6314 * Return: 0 on success, non-zero on failure. 6315 */ 6316 int mpi3mr_cfg_get_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc, 6317 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz) 6318 { 6319 struct mpi3_config_page_header cfg_hdr; 6320 struct mpi3_config_request cfg_req; 6321 u16 ioc_status = 0; 6322 6323 memset(sas_io_unit_pg1, 0, pg_sz); 6324 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6325 memset(&cfg_req, 0, sizeof(cfg_req)); 6326 6327 cfg_req.function = MPI3_FUNCTION_CONFIG; 6328 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6329 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_IO_UNIT; 6330 cfg_req.page_number = 1; 6331 cfg_req.page_address = 0; 6332 6333 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6334 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6335 ioc_err(mrioc, "sas io unit page1 header read failed\n"); 6336 goto out_failed; 6337 } 6338 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6339 ioc_err(mrioc, "sas io unit page1 header read failed with ioc_status(0x%04x)\n", 6340 ioc_status); 6341 goto out_failed; 6342 } 6343 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6344 6345 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6346 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg1, pg_sz)) { 6347 ioc_err(mrioc, "sas io unit page1 read failed\n"); 6348 goto out_failed; 6349 } 6350 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6351 ioc_err(mrioc, "sas io unit page1 read failed with ioc_status(0x%04x)\n", 6352 ioc_status); 6353 goto out_failed; 6354 } 6355 return 0; 6356 out_failed: 6357 return -1; 6358 } 6359 6360 /** 6361 * mpi3mr_cfg_set_sas_io_unit_pg1 - Write SASIOUnit page1 6362 * @mrioc: Adapter instance reference 6363 * @sas_io_unit_pg1: Pointer to the SAS IO Unit page 1 to write 6364 * @pg_sz: Size of the memory allocated to the page pointer 6365 * 6366 * This is handler for config page write for the SAS IO Unit 6367 * page1. This routine checks ioc_status to decide whether the 6368 * page read is success or not. This will modify both current 6369 * and persistent page. 6370 * 6371 * Return: 0 on success, non-zero on failure. 6372 */ 6373 int mpi3mr_cfg_set_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc, 6374 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz) 6375 { 6376 struct mpi3_config_page_header cfg_hdr; 6377 struct mpi3_config_request cfg_req; 6378 u16 ioc_status = 0; 6379 6380 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6381 memset(&cfg_req, 0, sizeof(cfg_req)); 6382 6383 cfg_req.function = MPI3_FUNCTION_CONFIG; 6384 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6385 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_SAS_IO_UNIT; 6386 cfg_req.page_number = 1; 6387 cfg_req.page_address = 0; 6388 6389 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6390 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6391 ioc_err(mrioc, "sas io unit page1 header read failed\n"); 6392 goto out_failed; 6393 } 6394 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6395 ioc_err(mrioc, "sas io unit page1 header read failed with ioc_status(0x%04x)\n", 6396 ioc_status); 6397 goto out_failed; 6398 } 6399 cfg_req.action = MPI3_CONFIG_ACTION_WRITE_CURRENT; 6400 6401 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6402 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg1, pg_sz)) { 6403 ioc_err(mrioc, "sas io unit page1 write current failed\n"); 6404 goto out_failed; 6405 } 6406 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6407 ioc_err(mrioc, "sas io unit page1 write current failed with ioc_status(0x%04x)\n", 6408 ioc_status); 6409 goto out_failed; 6410 } 6411 6412 cfg_req.action = MPI3_CONFIG_ACTION_WRITE_PERSISTENT; 6413 6414 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6415 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, sas_io_unit_pg1, pg_sz)) { 6416 ioc_err(mrioc, "sas io unit page1 write persistent failed\n"); 6417 goto out_failed; 6418 } 6419 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6420 ioc_err(mrioc, "sas io unit page1 write persistent failed with ioc_status(0x%04x)\n", 6421 ioc_status); 6422 goto out_failed; 6423 } 6424 return 0; 6425 out_failed: 6426 return -1; 6427 } 6428 6429 /** 6430 * mpi3mr_cfg_get_driver_pg1 - Read current Driver page1 6431 * @mrioc: Adapter instance reference 6432 * @driver_pg1: Pointer to return Driver page 1 6433 * @pg_sz: Size of the memory allocated to the page pointer 6434 * 6435 * This is handler for config page read for the Driver page1. 6436 * This routine checks ioc_status to decide whether the page 6437 * read is success or not. 6438 * 6439 * Return: 0 on success, non-zero on failure. 6440 */ 6441 int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc, 6442 struct mpi3_driver_page1 *driver_pg1, u16 pg_sz) 6443 { 6444 struct mpi3_config_page_header cfg_hdr; 6445 struct mpi3_config_request cfg_req; 6446 u16 ioc_status = 0; 6447 6448 memset(driver_pg1, 0, pg_sz); 6449 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6450 memset(&cfg_req, 0, sizeof(cfg_req)); 6451 6452 cfg_req.function = MPI3_FUNCTION_CONFIG; 6453 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6454 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_DRIVER; 6455 cfg_req.page_number = 1; 6456 cfg_req.page_address = 0; 6457 6458 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6459 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6460 ioc_err(mrioc, "driver page1 header read failed\n"); 6461 goto out_failed; 6462 } 6463 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6464 ioc_err(mrioc, "driver page1 header read failed with ioc_status(0x%04x)\n", 6465 ioc_status); 6466 goto out_failed; 6467 } 6468 cfg_req.action = MPI3_CONFIG_ACTION_READ_CURRENT; 6469 6470 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6471 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, driver_pg1, pg_sz)) { 6472 ioc_err(mrioc, "driver page1 read failed\n"); 6473 goto out_failed; 6474 } 6475 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6476 ioc_err(mrioc, "driver page1 read failed with ioc_status(0x%04x)\n", 6477 ioc_status); 6478 goto out_failed; 6479 } 6480 return 0; 6481 out_failed: 6482 return -1; 6483 } 6484 6485 /** 6486 * mpi3mr_cfg_get_driver_pg2 - Read current driver page2 6487 * @mrioc: Adapter instance reference 6488 * @driver_pg2: Pointer to return driver page 2 6489 * @pg_sz: Size of the memory allocated to the page pointer 6490 * @page_action: Page action 6491 * 6492 * This is handler for config page read for the driver page2. 6493 * This routine checks ioc_status to decide whether the page 6494 * read is success or not. 6495 * 6496 * Return: 0 on success, non-zero on failure. 6497 */ 6498 int mpi3mr_cfg_get_driver_pg2(struct mpi3mr_ioc *mrioc, 6499 struct mpi3_driver_page2 *driver_pg2, u16 pg_sz, u8 page_action) 6500 { 6501 struct mpi3_config_page_header cfg_hdr; 6502 struct mpi3_config_request cfg_req; 6503 u16 ioc_status = 0; 6504 6505 memset(driver_pg2, 0, pg_sz); 6506 memset(&cfg_hdr, 0, sizeof(cfg_hdr)); 6507 memset(&cfg_req, 0, sizeof(cfg_req)); 6508 6509 cfg_req.function = MPI3_FUNCTION_CONFIG; 6510 cfg_req.action = MPI3_CONFIG_ACTION_PAGE_HEADER; 6511 cfg_req.page_type = MPI3_CONFIG_PAGETYPE_DRIVER; 6512 cfg_req.page_number = 2; 6513 cfg_req.page_address = 0; 6514 cfg_req.page_version = MPI3_DRIVER2_PAGEVERSION; 6515 6516 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, NULL, 6517 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, &cfg_hdr, sizeof(cfg_hdr))) { 6518 ioc_err(mrioc, "driver page2 header read failed\n"); 6519 goto out_failed; 6520 } 6521 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6522 ioc_err(mrioc, "driver page2 header read failed with\n" 6523 "ioc_status(0x%04x)\n", 6524 ioc_status); 6525 goto out_failed; 6526 } 6527 cfg_req.action = page_action; 6528 6529 if (mpi3mr_process_cfg_req(mrioc, &cfg_req, &cfg_hdr, 6530 MPI3MR_INTADMCMD_TIMEOUT, &ioc_status, driver_pg2, pg_sz)) { 6531 ioc_err(mrioc, "driver page2 read failed\n"); 6532 goto out_failed; 6533 } 6534 if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { 6535 ioc_err(mrioc, "driver page2 read failed with\n" 6536 "ioc_status(0x%04x)\n", 6537 ioc_status); 6538 goto out_failed; 6539 } 6540 return 0; 6541 out_failed: 6542 return -1; 6543 } 6544 6545