1/* 2 * This is the Fusion MPT base driver providing common API layer interface 3 * for access to MPT (Message Passing Technology) firmware. 4 * 5 * This code is based on drivers/scsi/mpt2sas/mpt2_base.c 6 * Copyright (C) 2007-2014 LSI Corporation 7 * Copyright (C) 20013-2014 Avago Technologies 8 * (mailto: MPT-FusionLinux.pdl@avagotech.com) 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 2 13 * of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * NO WARRANTY 21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 25 * solely responsible for determining the appropriateness of using and 26 * distributing the Program and assumes all risks associated with its 27 * exercise of rights under this Agreement, including but not limited to 28 * the risks and costs of program errors, damage to or loss of data, 29 * programs or equipment, and unavailability or interruption of operations. 30 31 * DISCLAIMER OF LIABILITY 32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 39 40 * You should have received a copy of the GNU General Public License 41 * along with this program; if not, write to the Free Software 42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 43 * USA. 44 */ 45 46#include <linux/kernel.h> 47#include <linux/module.h> 48#include <linux/errno.h> 49#include <linux/init.h> 50#include <linux/slab.h> 51#include <linux/types.h> 52#include <linux/pci.h> 53#include <linux/kdev_t.h> 54#include <linux/blkdev.h> 55#include <linux/delay.h> 56#include <linux/interrupt.h> 57#include <linux/dma-mapping.h> 58#include <linux/sort.h> 59#include <linux/io.h> 60#include <linux/time.h> 61#include <linux/kthread.h> 62#include <linux/aer.h> 63 64#include "mpt2sas_base.h" 65 66static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; 67 68#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ 69 70#define MAX_HBA_QUEUE_DEPTH 30000 71#define MAX_CHAIN_DEPTH 100000 72static int max_queue_depth = -1; 73module_param(max_queue_depth, int, 0); 74MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); 75 76static int max_sgl_entries = -1; 77module_param(max_sgl_entries, int, 0); 78MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); 79 80static int msix_disable = -1; 81module_param(msix_disable, int, 0); 82MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); 83 84static int max_msix_vectors = -1; 85module_param(max_msix_vectors, int, 0); 86MODULE_PARM_DESC(max_msix_vectors, " max msix vectors "); 87 88static int mpt2sas_fwfault_debug; 89MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " 90 "and halt firmware - (default=0)"); 91 92static int disable_discovery = -1; 93module_param(disable_discovery, int, 0); 94MODULE_PARM_DESC(disable_discovery, " disable discovery "); 95 96static int 97_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); 98 99static int 100_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); 101 102/** 103 * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. 104 * 105 */ 106static int 107_scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) 108{ 109 int ret = param_set_int(val, kp); 110 struct MPT2SAS_ADAPTER *ioc; 111 112 if (ret) 113 return ret; 114 115 printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); 116 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) 117 ioc->fwfault_debug = mpt2sas_fwfault_debug; 118 return 0; 119} 120 121module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, 122 param_get_int, &mpt2sas_fwfault_debug, 0644); 123 124/** 125 * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc 126 * @arg: input argument, used to derive ioc 127 * 128 * Return 0 if controller is removed from pci subsystem. 129 * Return -1 for other case. 130 */ 131static int mpt2sas_remove_dead_ioc_func(void *arg) 132{ 133 struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; 134 struct pci_dev *pdev; 135 136 if ((ioc == NULL)) 137 return -1; 138 139 pdev = ioc->pdev; 140 if ((pdev == NULL)) 141 return -1; 142 pci_stop_and_remove_bus_device_locked(pdev); 143 return 0; 144} 145 146 147/** 148 * _base_fault_reset_work - workq handling ioc fault conditions 149 * @work: input argument, used to derive ioc 150 * Context: sleep. 151 * 152 * Return nothing. 153 */ 154static void 155_base_fault_reset_work(struct work_struct *work) 156{ 157 struct MPT2SAS_ADAPTER *ioc = 158 container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); 159 unsigned long flags; 160 u32 doorbell; 161 int rc; 162 struct task_struct *p; 163 164 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); 165 if (ioc->shost_recovery || ioc->pci_error_recovery) 166 goto rearm_timer; 167 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); 168 169 doorbell = mpt2sas_base_get_iocstate(ioc, 0); 170 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { 171 printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", 172 ioc->name, __func__); 173 174 /* It may be possible that EEH recovery can resolve some of 175 * pci bus failure issues rather removing the dead ioc function 176 * by considering controller is in a non-operational state. So 177 * here priority is given to the EEH recovery. If it doesn't 178 * not resolve this issue, mpt2sas driver will consider this 179 * controller to non-operational state and remove the dead ioc 180 * function. 181 */ 182 if (ioc->non_operational_loop++ < 5) { 183 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, 184 flags); 185 goto rearm_timer; 186 } 187 188 /* 189 * Call _scsih_flush_pending_cmds callback so that we flush all 190 * pending commands back to OS. This call is required to aovid 191 * deadlock at block layer. Dead IOC will fail to do diag reset, 192 * and this call is safe since dead ioc will never return any 193 * command back from HW. 194 */ 195 ioc->schedule_dead_ioc_flush_running_cmds(ioc); 196 /* 197 * Set remove_host flag early since kernel thread will 198 * take some time to execute. 199 */ 200 ioc->remove_host = 1; 201 /*Remove the Dead Host */ 202 p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, 203 "mpt2sas_dead_ioc_%d", ioc->id); 204 if (IS_ERR(p)) { 205 printk(MPT2SAS_ERR_FMT 206 "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", 207 ioc->name, __func__); 208 } else { 209 printk(MPT2SAS_ERR_FMT 210 "%s: Running mpt2sas_dead_ioc thread success !!!!\n", 211 ioc->name, __func__); 212 } 213 214 return; /* don't rearm timer */ 215 } 216 217 ioc->non_operational_loop = 0; 218 219 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { 220 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, 221 FORCE_BIG_HAMMER); 222 printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, 223 __func__, (rc == 0) ? "success" : "failed"); 224 doorbell = mpt2sas_base_get_iocstate(ioc, 0); 225 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) 226 mpt2sas_base_fault_info(ioc, doorbell & 227 MPI2_DOORBELL_DATA_MASK); 228 } 229 230 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); 231 rearm_timer: 232 if (ioc->fault_reset_work_q) 233 queue_delayed_work(ioc->fault_reset_work_q, 234 &ioc->fault_reset_work, 235 msecs_to_jiffies(FAULT_POLLING_INTERVAL)); 236 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); 237} 238 239/** 240 * mpt2sas_base_start_watchdog - start the fault_reset_work_q 241 * @ioc: per adapter object 242 * Context: sleep. 243 * 244 * Return nothing. 245 */ 246void 247mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) 248{ 249 unsigned long flags; 250 251 if (ioc->fault_reset_work_q) 252 return; 253 254 /* initialize fault polling */ 255 INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); 256 snprintf(ioc->fault_reset_work_q_name, 257 sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); 258 ioc->fault_reset_work_q = 259 create_singlethread_workqueue(ioc->fault_reset_work_q_name); 260 if (!ioc->fault_reset_work_q) { 261 printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", 262 ioc->name, __func__, __LINE__); 263 return; 264 } 265 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); 266 if (ioc->fault_reset_work_q) 267 queue_delayed_work(ioc->fault_reset_work_q, 268 &ioc->fault_reset_work, 269 msecs_to_jiffies(FAULT_POLLING_INTERVAL)); 270 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); 271} 272 273/** 274 * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q 275 * @ioc: per adapter object 276 * Context: sleep. 277 * 278 * Return nothing. 279 */ 280void 281mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) 282{ 283 unsigned long flags; 284 struct workqueue_struct *wq; 285 286 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); 287 wq = ioc->fault_reset_work_q; 288 ioc->fault_reset_work_q = NULL; 289 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); 290 if (wq) { 291 if (!cancel_delayed_work_sync(&ioc->fault_reset_work)) 292 flush_workqueue(wq); 293 destroy_workqueue(wq); 294 } 295} 296 297/** 298 * mpt2sas_base_fault_info - verbose translation of firmware FAULT code 299 * @ioc: per adapter object 300 * @fault_code: fault code 301 * 302 * Return nothing. 303 */ 304void 305mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) 306{ 307 printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", 308 ioc->name, fault_code); 309} 310 311/** 312 * mpt2sas_halt_firmware - halt's mpt controller firmware 313 * @ioc: per adapter object 314 * 315 * For debugging timeout related issues. Writing 0xCOFFEE00 316 * to the doorbell register will halt controller firmware. With 317 * the purpose to stop both driver and firmware, the enduser can 318 * obtain a ring buffer from controller UART. 319 */ 320void 321mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) 322{ 323 u32 doorbell; 324 325 if (!ioc->fwfault_debug) 326 return; 327 328 dump_stack(); 329 330 doorbell = readl(&ioc->chip->Doorbell); 331 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) 332 mpt2sas_base_fault_info(ioc , doorbell); 333 else { 334 writel(0xC0FFEE00, &ioc->chip->Doorbell); 335 printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " 336 "timeout\n", ioc->name); 337 } 338 339 panic("panic in %s\n", __func__); 340} 341 342#ifdef CONFIG_SCSI_MPT2SAS_LOGGING 343/** 344 * _base_sas_ioc_info - verbose translation of the ioc status 345 * @ioc: per adapter object 346 * @mpi_reply: reply mf payload returned from firmware 347 * @request_hdr: request mf 348 * 349 * Return nothing. 350 */ 351static void 352_base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, 353 MPI2RequestHeader_t *request_hdr) 354{ 355 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & 356 MPI2_IOCSTATUS_MASK; 357 char *desc = NULL; 358 u16 frame_sz; 359 char *func_str = NULL; 360 361 /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ 362 if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || 363 request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || 364 request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) 365 return; 366 367 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) 368 return; 369 370 switch (ioc_status) { 371 372/**************************************************************************** 373* Common IOCStatus values for all replies 374****************************************************************************/ 375 376 case MPI2_IOCSTATUS_INVALID_FUNCTION: 377 desc = "invalid function"; 378 break; 379 case MPI2_IOCSTATUS_BUSY: 380 desc = "busy"; 381 break; 382 case MPI2_IOCSTATUS_INVALID_SGL: 383 desc = "invalid sgl"; 384 break; 385 case MPI2_IOCSTATUS_INTERNAL_ERROR: 386 desc = "internal error"; 387 break; 388 case MPI2_IOCSTATUS_INVALID_VPID: 389 desc = "invalid vpid"; 390 break; 391 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: 392 desc = "insufficient resources"; 393 break; 394 case MPI2_IOCSTATUS_INVALID_FIELD: 395 desc = "invalid field"; 396 break; 397 case MPI2_IOCSTATUS_INVALID_STATE: 398 desc = "invalid state"; 399 break; 400 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: 401 desc = "op state not supported"; 402 break; 403 404/**************************************************************************** 405* Config IOCStatus values 406****************************************************************************/ 407 408 case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: 409 desc = "config invalid action"; 410 break; 411 case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: 412 desc = "config invalid type"; 413 break; 414 case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: 415 desc = "config invalid page"; 416 break; 417 case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: 418 desc = "config invalid data"; 419 break; 420 case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: 421 desc = "config no defaults"; 422 break; 423 case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: 424 desc = "config cant commit"; 425 break; 426 427/**************************************************************************** 428* SCSI IO Reply 429****************************************************************************/ 430 431 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: 432 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: 433 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 434 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: 435 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: 436 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: 437 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 438 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: 439 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 440 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 441 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: 442 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: 443 break; 444 445/**************************************************************************** 446* For use by SCSI Initiator and SCSI Target end-to-end data protection 447****************************************************************************/ 448 449 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: 450 desc = "eedp guard error"; 451 break; 452 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: 453 desc = "eedp ref tag error"; 454 break; 455 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: 456 desc = "eedp app tag error"; 457 break; 458 459/**************************************************************************** 460* SCSI Target values 461****************************************************************************/ 462 463 case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: 464 desc = "target invalid io index"; 465 break; 466 case MPI2_IOCSTATUS_TARGET_ABORTED: 467 desc = "target aborted"; 468 break; 469 case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: 470 desc = "target no conn retryable"; 471 break; 472 case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: 473 desc = "target no connection"; 474 break; 475 case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: 476 desc = "target xfer count mismatch"; 477 break; 478 case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: 479 desc = "target data offset error"; 480 break; 481 case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: 482 desc = "target too much write data"; 483 break; 484 case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: 485 desc = "target iu too short"; 486 break; 487 case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: 488 desc = "target ack nak timeout"; 489 break; 490 case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: 491 desc = "target nak received"; 492 break; 493 494/**************************************************************************** 495* Serial Attached SCSI values 496****************************************************************************/ 497 498 case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: 499 desc = "smp request failed"; 500 break; 501 case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: 502 desc = "smp data overrun"; 503 break; 504 505/**************************************************************************** 506* Diagnostic Buffer Post / Diagnostic Release values 507****************************************************************************/ 508 509 case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: 510 desc = "diagnostic released"; 511 break; 512 default: 513 break; 514 } 515 516 if (!desc) 517 return; 518 519 switch (request_hdr->Function) { 520 case MPI2_FUNCTION_CONFIG: 521 frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; 522 func_str = "config_page"; 523 break; 524 case MPI2_FUNCTION_SCSI_TASK_MGMT: 525 frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); 526 func_str = "task_mgmt"; 527 break; 528 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: 529 frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); 530 func_str = "sas_iounit_ctl"; 531 break; 532 case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: 533 frame_sz = sizeof(Mpi2SepRequest_t); 534 func_str = "enclosure"; 535 break; 536 case MPI2_FUNCTION_IOC_INIT: 537 frame_sz = sizeof(Mpi2IOCInitRequest_t); 538 func_str = "ioc_init"; 539 break; 540 case MPI2_FUNCTION_PORT_ENABLE: 541 frame_sz = sizeof(Mpi2PortEnableRequest_t); 542 func_str = "port_enable"; 543 break; 544 case MPI2_FUNCTION_SMP_PASSTHROUGH: 545 frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; 546 func_str = "smp_passthru"; 547 break; 548 default: 549 frame_sz = 32; 550 func_str = "unknown"; 551 break; 552 } 553 554 printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," 555 " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); 556 557 _debug_dump_mf(request_hdr, frame_sz/4); 558} 559 560/** 561 * _base_display_event_data - verbose translation of firmware asyn events 562 * @ioc: per adapter object 563 * @mpi_reply: reply mf payload returned from firmware 564 * 565 * Return nothing. 566 */ 567static void 568_base_display_event_data(struct MPT2SAS_ADAPTER *ioc, 569 Mpi2EventNotificationReply_t *mpi_reply) 570{ 571 char *desc = NULL; 572 u16 event; 573 574 if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) 575 return; 576 577 event = le16_to_cpu(mpi_reply->Event); 578 579 switch (event) { 580 case MPI2_EVENT_LOG_DATA: 581 desc = "Log Data"; 582 break; 583 case MPI2_EVENT_STATE_CHANGE: 584 desc = "Status Change"; 585 break; 586 case MPI2_EVENT_HARD_RESET_RECEIVED: 587 desc = "Hard Reset Received"; 588 break; 589 case MPI2_EVENT_EVENT_CHANGE: 590 desc = "Event Change"; 591 break; 592 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 593 desc = "Device Status Change"; 594 break; 595 case MPI2_EVENT_IR_OPERATION_STATUS: 596 if (!ioc->hide_ir_msg) 597 desc = "IR Operation Status"; 598 break; 599 case MPI2_EVENT_SAS_DISCOVERY: 600 { 601 Mpi2EventDataSasDiscovery_t *event_data = 602 (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; 603 printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, 604 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? 605 "start" : "stop"); 606 if (event_data->DiscoveryStatus) 607 printk("discovery_status(0x%08x)", 608 le32_to_cpu(event_data->DiscoveryStatus)); 609 printk("\n"); 610 return; 611 } 612 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 613 desc = "SAS Broadcast Primitive"; 614 break; 615 case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: 616 desc = "SAS Init Device Status Change"; 617 break; 618 case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: 619 desc = "SAS Init Table Overflow"; 620 break; 621 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 622 desc = "SAS Topology Change List"; 623 break; 624 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 625 desc = "SAS Enclosure Device Status Change"; 626 break; 627 case MPI2_EVENT_IR_VOLUME: 628 if (!ioc->hide_ir_msg) 629 desc = "IR Volume"; 630 break; 631 case MPI2_EVENT_IR_PHYSICAL_DISK: 632 if (!ioc->hide_ir_msg) 633 desc = "IR Physical Disk"; 634 break; 635 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 636 if (!ioc->hide_ir_msg) 637 desc = "IR Configuration Change List"; 638 break; 639 case MPI2_EVENT_LOG_ENTRY_ADDED: 640 if (!ioc->hide_ir_msg) 641 desc = "Log Entry Added"; 642 break; 643 case MPI2_EVENT_TEMP_THRESHOLD: 644 desc = "Temperature Threshold"; 645 break; 646 } 647 648 if (!desc) 649 return; 650 651 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); 652} 653#endif 654 655/** 656 * _base_sas_log_info - verbose translation of firmware log info 657 * @ioc: per adapter object 658 * @log_info: log info 659 * 660 * Return nothing. 661 */ 662static void 663_base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) 664{ 665 union loginfo_type { 666 u32 loginfo; 667 struct { 668 u32 subcode:16; 669 u32 code:8; 670 u32 originator:4; 671 u32 bus_type:4; 672 } dw; 673 }; 674 union loginfo_type sas_loginfo; 675 char *originator_str = NULL; 676 677 sas_loginfo.loginfo = log_info; 678 if (sas_loginfo.dw.bus_type != 3 /*SAS*/) 679 return; 680 681 /* each nexus loss loginfo */ 682 if (log_info == 0x31170000) 683 return; 684 685 /* eat the loginfos associated with task aborts */ 686 if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == 687 0x31140000 || log_info == 0x31130000)) 688 return; 689 690 switch (sas_loginfo.dw.originator) { 691 case 0: 692 originator_str = "IOP"; 693 break; 694 case 1: 695 originator_str = "PL"; 696 break; 697 case 2: 698 if (!ioc->hide_ir_msg) 699 originator_str = "IR"; 700 else 701 originator_str = "WarpDrive"; 702 break; 703 } 704 705 printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " 706 "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, 707 originator_str, sas_loginfo.dw.code, 708 sas_loginfo.dw.subcode); 709} 710 711/** 712 * _base_display_reply_info - 713 * @ioc: per adapter object 714 * @smid: system request message index 715 * @msix_index: MSIX table index supplied by the OS 716 * @reply: reply message frame(lower 32bit addr) 717 * 718 * Return nothing. 719 */ 720static void 721_base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 722 u32 reply) 723{ 724 MPI2DefaultReply_t *mpi_reply; 725 u16 ioc_status; 726 727 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); 728 if (unlikely(!mpi_reply)) { 729 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", 730 ioc->name, __FILE__, __LINE__, __func__); 731 return; 732 } 733 ioc_status = le16_to_cpu(mpi_reply->IOCStatus); 734#ifdef CONFIG_SCSI_MPT2SAS_LOGGING 735 if ((ioc_status & MPI2_IOCSTATUS_MASK) && 736 (ioc->logging_level & MPT_DEBUG_REPLY)) { 737 _base_sas_ioc_info(ioc , mpi_reply, 738 mpt2sas_base_get_msg_frame(ioc, smid)); 739 } 740#endif 741 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) 742 _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); 743} 744 745/** 746 * mpt2sas_base_done - base internal command completion routine 747 * @ioc: per adapter object 748 * @smid: system request message index 749 * @msix_index: MSIX table index supplied by the OS 750 * @reply: reply message frame(lower 32bit addr) 751 * 752 * Return 1 meaning mf should be freed from _base_interrupt 753 * 0 means the mf is freed from this function. 754 */ 755u8 756mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 757 u32 reply) 758{ 759 MPI2DefaultReply_t *mpi_reply; 760 761 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); 762 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) 763 return 1; 764 765 if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) 766 return 1; 767 768 ioc->base_cmds.status |= MPT2_CMD_COMPLETE; 769 if (mpi_reply) { 770 ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; 771 memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); 772 } 773 ioc->base_cmds.status &= ~MPT2_CMD_PENDING; 774 775 complete(&ioc->base_cmds.done); 776 return 1; 777} 778 779/** 780 * _base_async_event - main callback handler for firmware asyn events 781 * @ioc: per adapter object 782 * @msix_index: MSIX table index supplied by the OS 783 * @reply: reply message frame(lower 32bit addr) 784 * 785 * Returns void. 786 */ 787static void 788_base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) 789{ 790 Mpi2EventNotificationReply_t *mpi_reply; 791 Mpi2EventAckRequest_t *ack_request; 792 u16 smid; 793 794 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); 795 if (!mpi_reply) 796 return; 797 if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) 798 return; 799#ifdef CONFIG_SCSI_MPT2SAS_LOGGING 800 _base_display_event_data(ioc, mpi_reply); 801#endif 802 if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) 803 goto out; 804 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); 805 if (!smid) { 806 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", 807 ioc->name, __func__); 808 goto out; 809 } 810 811 ack_request = mpt2sas_base_get_msg_frame(ioc, smid); 812 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); 813 ack_request->Function = MPI2_FUNCTION_EVENT_ACK; 814 ack_request->Event = mpi_reply->Event; 815 ack_request->EventContext = mpi_reply->EventContext; 816 ack_request->VF_ID = 0; /* TODO */ 817 ack_request->VP_ID = 0; 818 mpt2sas_base_put_smid_default(ioc, smid); 819 820 out: 821 822 /* scsih callback handler */ 823 mpt2sas_scsih_event_callback(ioc, msix_index, reply); 824 825 /* ctl callback handler */ 826 mpt2sas_ctl_event_callback(ioc, msix_index, reply); 827 828 return; 829} 830 831/** 832 * _base_get_cb_idx - obtain the callback index 833 * @ioc: per adapter object 834 * @smid: system request message index 835 * 836 * Return callback index. 837 */ 838static u8 839_base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) 840{ 841 int i; 842 u8 cb_idx; 843 844 if (smid < ioc->hi_priority_smid) { 845 i = smid - 1; 846 cb_idx = ioc->scsi_lookup[i].cb_idx; 847 } else if (smid < ioc->internal_smid) { 848 i = smid - ioc->hi_priority_smid; 849 cb_idx = ioc->hpr_lookup[i].cb_idx; 850 } else if (smid <= ioc->hba_queue_depth) { 851 i = smid - ioc->internal_smid; 852 cb_idx = ioc->internal_lookup[i].cb_idx; 853 } else 854 cb_idx = 0xFF; 855 return cb_idx; 856} 857 858/** 859 * _base_mask_interrupts - disable interrupts 860 * @ioc: per adapter object 861 * 862 * Disabling ResetIRQ, Reply and Doorbell Interrupts 863 * 864 * Return nothing. 865 */ 866static void 867_base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) 868{ 869 u32 him_register; 870 871 ioc->mask_interrupts = 1; 872 him_register = readl(&ioc->chip->HostInterruptMask); 873 him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; 874 writel(him_register, &ioc->chip->HostInterruptMask); 875 readl(&ioc->chip->HostInterruptMask); 876} 877 878/** 879 * _base_unmask_interrupts - enable interrupts 880 * @ioc: per adapter object 881 * 882 * Enabling only Reply Interrupts 883 * 884 * Return nothing. 885 */ 886static void 887_base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) 888{ 889 u32 him_register; 890 891 him_register = readl(&ioc->chip->HostInterruptMask); 892 him_register &= ~MPI2_HIM_RIM; 893 writel(him_register, &ioc->chip->HostInterruptMask); 894 ioc->mask_interrupts = 0; 895} 896 897union reply_descriptor { 898 u64 word; 899 struct { 900 u32 low; 901 u32 high; 902 } u; 903}; 904 905/** 906 * _base_interrupt - MPT adapter (IOC) specific interrupt handler. 907 * @irq: irq number (not used) 908 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure 909 * @r: pt_regs pointer (not used) 910 * 911 * Return IRQ_HANDLE if processed, else IRQ_NONE. 912 */ 913static irqreturn_t 914_base_interrupt(int irq, void *bus_id) 915{ 916 struct adapter_reply_queue *reply_q = bus_id; 917 union reply_descriptor rd; 918 u32 completed_cmds; 919 u8 request_desript_type; 920 u16 smid; 921 u8 cb_idx; 922 u32 reply; 923 u8 msix_index = reply_q->msix_index; 924 struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; 925 Mpi2ReplyDescriptorsUnion_t *rpf; 926 u8 rc; 927 928 if (ioc->mask_interrupts) 929 return IRQ_NONE; 930 931 if (!atomic_add_unless(&reply_q->busy, 1, 1)) 932 return IRQ_NONE; 933 934 rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; 935 request_desript_type = rpf->Default.ReplyFlags 936 & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; 937 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { 938 atomic_dec(&reply_q->busy); 939 return IRQ_NONE; 940 } 941 942 completed_cmds = 0; 943 cb_idx = 0xFF; 944 do { 945 rd.word = le64_to_cpu(rpf->Words); 946 if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) 947 goto out; 948 reply = 0; 949 smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); 950 if (request_desript_type == 951 MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { 952 reply = le32_to_cpu 953 (rpf->AddressReply.ReplyFrameAddress); 954 if (reply > ioc->reply_dma_max_address || 955 reply < ioc->reply_dma_min_address) 956 reply = 0; 957 } else if (request_desript_type == 958 MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) 959 goto next; 960 else if (request_desript_type == 961 MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) 962 goto next; 963 if (smid) { 964 cb_idx = _base_get_cb_idx(ioc, smid); 965 if ((likely(cb_idx < MPT_MAX_CALLBACKS)) 966 && (likely(mpt_callbacks[cb_idx] != NULL))) { 967 rc = mpt_callbacks[cb_idx](ioc, smid, 968 msix_index, reply); 969 if (reply) 970 _base_display_reply_info(ioc, smid, 971 msix_index, reply); 972 if (rc) 973 mpt2sas_base_free_smid(ioc, smid); 974 } 975 } 976 if (!smid) 977 _base_async_event(ioc, msix_index, reply); 978 979 /* reply free queue handling */ 980 if (reply) { 981 ioc->reply_free_host_index = 982 (ioc->reply_free_host_index == 983 (ioc->reply_free_queue_depth - 1)) ? 984 0 : ioc->reply_free_host_index + 1; 985 ioc->reply_free[ioc->reply_free_host_index] = 986 cpu_to_le32(reply); 987 wmb(); 988 writel(ioc->reply_free_host_index, 989 &ioc->chip->ReplyFreeHostIndex); 990 } 991 992 next: 993 994 rpf->Words = cpu_to_le64(ULLONG_MAX); 995 reply_q->reply_post_host_index = 996 (reply_q->reply_post_host_index == 997 (ioc->reply_post_queue_depth - 1)) ? 0 : 998 reply_q->reply_post_host_index + 1; 999 request_desript_type = 1000 reply_q->reply_post_free[reply_q->reply_post_host_index]. 1001 Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; 1002 completed_cmds++; 1003 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) 1004 goto out; 1005 if (!reply_q->reply_post_host_index) 1006 rpf = reply_q->reply_post_free; 1007 else 1008 rpf++; 1009 } while (1); 1010 1011 out: 1012 1013 if (!completed_cmds) { 1014 atomic_dec(&reply_q->busy); 1015 return IRQ_NONE; 1016 } 1017 wmb(); 1018 if (ioc->is_warpdrive) { 1019 writel(reply_q->reply_post_host_index, 1020 ioc->reply_post_host_index[msix_index]); 1021 atomic_dec(&reply_q->busy); 1022 return IRQ_HANDLED; 1023 } 1024 writel(reply_q->reply_post_host_index | (msix_index << 1025 MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); 1026 atomic_dec(&reply_q->busy); 1027 return IRQ_HANDLED; 1028} 1029 1030/** 1031 * _base_is_controller_msix_enabled - is controller support muli-reply queues 1032 * @ioc: per adapter object 1033 * 1034 */ 1035static inline int 1036_base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) 1037{ 1038 return (ioc->facts.IOCCapabilities & 1039 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; 1040} 1041 1042/** 1043 * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues 1044 * @ioc: per adapter object 1045 * Context: ISR conext 1046 * 1047 * Called when a Task Management request has completed. We want 1048 * to flush the other reply queues so all the outstanding IO has been 1049 * completed back to OS before we process the TM completetion. 1050 * 1051 * Return nothing. 1052 */ 1053void 1054mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) 1055{ 1056 struct adapter_reply_queue *reply_q; 1057 1058 /* If MSIX capability is turned off 1059 * then multi-queues are not enabled 1060 */ 1061 if (!_base_is_controller_msix_enabled(ioc)) 1062 return; 1063 1064 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { 1065 if (ioc->shost_recovery) 1066 return; 1067 /* TMs are on msix_index == 0 */ 1068 if (reply_q->msix_index == 0) 1069 continue; 1070 _base_interrupt(reply_q->vector, (void *)reply_q); 1071 } 1072} 1073 1074/** 1075 * mpt2sas_base_release_callback_handler - clear interrupt callback handler 1076 * @cb_idx: callback index 1077 * 1078 * Return nothing. 1079 */ 1080void 1081mpt2sas_base_release_callback_handler(u8 cb_idx) 1082{ 1083 mpt_callbacks[cb_idx] = NULL; 1084} 1085 1086/** 1087 * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler 1088 * @cb_func: callback function 1089 * 1090 * Returns cb_func. 1091 */ 1092u8 1093mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) 1094{ 1095 u8 cb_idx; 1096 1097 for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) 1098 if (mpt_callbacks[cb_idx] == NULL) 1099 break; 1100 1101 mpt_callbacks[cb_idx] = cb_func; 1102 return cb_idx; 1103} 1104 1105/** 1106 * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler 1107 * 1108 * Return nothing. 1109 */ 1110void 1111mpt2sas_base_initialize_callback_handler(void) 1112{ 1113 u8 cb_idx; 1114 1115 for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) 1116 mpt2sas_base_release_callback_handler(cb_idx); 1117} 1118 1119/** 1120 * mpt2sas_base_build_zero_len_sge - build zero length sg entry 1121 * @ioc: per adapter object 1122 * @paddr: virtual address for SGE 1123 * 1124 * Create a zero length scatter gather entry to insure the IOCs hardware has 1125 * something to use if the target device goes brain dead and tries 1126 * to send data even when none is asked for. 1127 * 1128 * Return nothing. 1129 */ 1130void 1131mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) 1132{ 1133 u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | 1134 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | 1135 MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << 1136 MPI2_SGE_FLAGS_SHIFT); 1137 ioc->base_add_sg_single(paddr, flags_length, -1); 1138} 1139 1140/** 1141 * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. 1142 * @paddr: virtual address for SGE 1143 * @flags_length: SGE flags and data transfer length 1144 * @dma_addr: Physical address 1145 * 1146 * Return nothing. 1147 */ 1148static void 1149_base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) 1150{ 1151 Mpi2SGESimple32_t *sgel = paddr; 1152 1153 flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | 1154 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; 1155 sgel->FlagsLength = cpu_to_le32(flags_length); 1156 sgel->Address = cpu_to_le32(dma_addr); 1157} 1158 1159 1160/** 1161 * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. 1162 * @paddr: virtual address for SGE 1163 * @flags_length: SGE flags and data transfer length 1164 * @dma_addr: Physical address 1165 * 1166 * Return nothing. 1167 */ 1168static void 1169_base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) 1170{ 1171 Mpi2SGESimple64_t *sgel = paddr; 1172 1173 flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | 1174 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; 1175 sgel->FlagsLength = cpu_to_le32(flags_length); 1176 sgel->Address = cpu_to_le64(dma_addr); 1177} 1178 1179#define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) 1180 1181/** 1182 * _base_config_dma_addressing - set dma addressing 1183 * @ioc: per adapter object 1184 * @pdev: PCI device struct 1185 * 1186 * Returns 0 for success, non-zero for failure. 1187 */ 1188static int 1189_base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) 1190{ 1191 struct sysinfo s; 1192 u64 consistent_dma_mask; 1193 1194 if (ioc->dma_mask) 1195 consistent_dma_mask = DMA_BIT_MASK(64); 1196 else 1197 consistent_dma_mask = DMA_BIT_MASK(32); 1198 1199 if (sizeof(dma_addr_t) > 4) { 1200 const uint64_t required_mask = 1201 dma_get_required_mask(&pdev->dev); 1202 if ((required_mask > DMA_BIT_MASK(32)) && 1203 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 1204 !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) { 1205 ioc->base_add_sg_single = &_base_add_sg_single_64; 1206 ioc->sge_size = sizeof(Mpi2SGESimple64_t); 1207 ioc->dma_mask = 64; 1208 goto out; 1209 } 1210 } 1211 1212 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) 1213 && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { 1214 ioc->base_add_sg_single = &_base_add_sg_single_32; 1215 ioc->sge_size = sizeof(Mpi2SGESimple32_t); 1216 ioc->dma_mask = 32; 1217 } else 1218 return -ENODEV; 1219 1220 out: 1221 si_meminfo(&s); 1222 printk(MPT2SAS_INFO_FMT 1223 "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n", 1224 ioc->name, ioc->dma_mask, convert_to_kb(s.totalram)); 1225 1226 return 0; 1227} 1228 1229static int 1230_base_change_consistent_dma_mask(struct MPT2SAS_ADAPTER *ioc, 1231 struct pci_dev *pdev) 1232{ 1233 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { 1234 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1235 return -ENODEV; 1236 } 1237 return 0; 1238} 1239/** 1240 * _base_check_enable_msix - checks MSIX capabable. 1241 * @ioc: per adapter object 1242 * 1243 * Check to see if card is capable of MSIX, and set number 1244 * of available msix vectors 1245 */ 1246static int 1247_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) 1248{ 1249 int base; 1250 u16 message_control; 1251 1252 1253 /* Check whether controller SAS2008 B0 controller, 1254 if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ 1255 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && 1256 ioc->pdev->revision == 0x01) { 1257 return -EINVAL; 1258 } 1259 1260 base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); 1261 if (!base) { 1262 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " 1263 "supported\n", ioc->name)); 1264 return -EINVAL; 1265 } 1266 1267 /* get msix vector count */ 1268 /* NUMA_IO not supported for older controllers */ 1269 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || 1270 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || 1271 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || 1272 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || 1273 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || 1274 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || 1275 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) 1276 ioc->msix_vector_count = 1; 1277 else { 1278 pci_read_config_word(ioc->pdev, base + 2, &message_control); 1279 ioc->msix_vector_count = (message_control & 0x3FF) + 1; 1280 } 1281 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " 1282 "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); 1283 1284 return 0; 1285} 1286 1287/** 1288 * _base_free_irq - free irq 1289 * @ioc: per adapter object 1290 * 1291 * Freeing respective reply_queue from the list. 1292 */ 1293static void 1294_base_free_irq(struct MPT2SAS_ADAPTER *ioc) 1295{ 1296 struct adapter_reply_queue *reply_q, *next; 1297 1298 if (list_empty(&ioc->reply_queue_list)) 1299 return; 1300 1301 list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { 1302 list_del(&reply_q->list); 1303 irq_set_affinity_hint(reply_q->vector, NULL); 1304 free_cpumask_var(reply_q->affinity_hint); 1305 synchronize_irq(reply_q->vector); 1306 free_irq(reply_q->vector, reply_q); 1307 kfree(reply_q); 1308 } 1309} 1310 1311/** 1312 * _base_request_irq - request irq 1313 * @ioc: per adapter object 1314 * @index: msix index into vector table 1315 * @vector: irq vector 1316 * 1317 * Inserting respective reply_queue into the list. 1318 */ 1319static int 1320_base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) 1321{ 1322 struct adapter_reply_queue *reply_q; 1323 int r; 1324 1325 reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); 1326 if (!reply_q) { 1327 printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", 1328 ioc->name, (int)sizeof(struct adapter_reply_queue)); 1329 return -ENOMEM; 1330 } 1331 reply_q->ioc = ioc; 1332 reply_q->msix_index = index; 1333 reply_q->vector = vector; 1334 1335 if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL)) 1336 return -ENOMEM; 1337 cpumask_clear(reply_q->affinity_hint); 1338 1339 atomic_set(&reply_q->busy, 0); 1340 if (ioc->msix_enable) 1341 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", 1342 MPT2SAS_DRIVER_NAME, ioc->id, index); 1343 else 1344 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", 1345 MPT2SAS_DRIVER_NAME, ioc->id); 1346 r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, 1347 reply_q); 1348 if (r) { 1349 printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", 1350 reply_q->name, vector); 1351 kfree(reply_q); 1352 return -EBUSY; 1353 } 1354 1355 INIT_LIST_HEAD(&reply_q->list); 1356 list_add_tail(&reply_q->list, &ioc->reply_queue_list); 1357 return 0; 1358} 1359 1360/** 1361 * _base_assign_reply_queues - assigning msix index for each cpu 1362 * @ioc: per adapter object 1363 * 1364 * The enduser would need to set the affinity via /proc/irq/#/smp_affinity 1365 * 1366 * It would nice if we could call irq_set_affinity, however it is not 1367 * an exported symbol 1368 */ 1369static void 1370_base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) 1371{ 1372 unsigned int cpu, nr_cpus, nr_msix, index = 0; 1373 struct adapter_reply_queue *reply_q; 1374 1375 if (!_base_is_controller_msix_enabled(ioc)) 1376 return; 1377 1378 memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); 1379 1380 nr_cpus = num_online_cpus(); 1381 nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count, 1382 ioc->facts.MaxMSIxVectors); 1383 if (!nr_msix) 1384 return; 1385 1386 cpu = cpumask_first(cpu_online_mask); 1387 1388 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { 1389 1390 unsigned int i, group = nr_cpus / nr_msix; 1391 1392 if (cpu >= nr_cpus) 1393 break; 1394 1395 if (index < nr_cpus % nr_msix) 1396 group++; 1397 1398 for (i = 0 ; i < group ; i++) { 1399 ioc->cpu_msix_table[cpu] = index; 1400 cpumask_or(reply_q->affinity_hint, 1401 reply_q->affinity_hint, get_cpu_mask(cpu)); 1402 cpu = cpumask_next(cpu, cpu_online_mask); 1403 } 1404 1405 if (irq_set_affinity_hint(reply_q->vector, 1406 reply_q->affinity_hint)) 1407 dinitprintk(ioc, pr_info(MPT2SAS_FMT 1408 "error setting affinity hint for irq vector %d\n", 1409 ioc->name, reply_q->vector)); 1410 index++; 1411 } 1412} 1413 1414/** 1415 * _base_disable_msix - disables msix 1416 * @ioc: per adapter object 1417 * 1418 */ 1419static void 1420_base_disable_msix(struct MPT2SAS_ADAPTER *ioc) 1421{ 1422 if (ioc->msix_enable) { 1423 pci_disable_msix(ioc->pdev); 1424 ioc->msix_enable = 0; 1425 } 1426} 1427 1428/** 1429 * _base_enable_msix - enables msix, failback to io_apic 1430 * @ioc: per adapter object 1431 * 1432 */ 1433static int 1434_base_enable_msix(struct MPT2SAS_ADAPTER *ioc) 1435{ 1436 struct msix_entry *entries, *a; 1437 int r; 1438 int i; 1439 u8 try_msix = 0; 1440 1441 if (msix_disable == -1 || msix_disable == 0) 1442 try_msix = 1; 1443 1444 if (!try_msix) 1445 goto try_ioapic; 1446 1447 if (_base_check_enable_msix(ioc) != 0) 1448 goto try_ioapic; 1449 1450 ioc->reply_queue_count = min_t(int, ioc->cpu_count, 1451 ioc->msix_vector_count); 1452 1453 if (!ioc->rdpq_array_enable && max_msix_vectors == -1) 1454 max_msix_vectors = 8; 1455 1456 if (max_msix_vectors > 0) { 1457 ioc->reply_queue_count = min_t(int, max_msix_vectors, 1458 ioc->reply_queue_count); 1459 ioc->msix_vector_count = ioc->reply_queue_count; 1460 } else if (max_msix_vectors == 0) 1461 goto try_ioapic; 1462 1463 printk(MPT2SAS_INFO_FMT 1464 "MSI-X vectors supported: %d, no of cores: %d, max_msix_vectors: %d\n", 1465 ioc->name, ioc->msix_vector_count, ioc->cpu_count, max_msix_vectors); 1466 1467 entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), 1468 GFP_KERNEL); 1469 if (!entries) { 1470 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " 1471 "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, 1472 __LINE__, __func__)); 1473 goto try_ioapic; 1474 } 1475 1476 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) 1477 a->entry = i; 1478 1479 r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count); 1480 if (r) { 1481 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT 1482 "pci_enable_msix_exact failed (r=%d) !!!\n", ioc->name, r)); 1483 kfree(entries); 1484 goto try_ioapic; 1485 } 1486 1487 ioc->msix_enable = 1; 1488 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { 1489 r = _base_request_irq(ioc, i, a->vector); 1490 if (r) { 1491 _base_free_irq(ioc); 1492 _base_disable_msix(ioc); 1493 kfree(entries); 1494 goto try_ioapic; 1495 } 1496 } 1497 1498 kfree(entries); 1499 return 0; 1500 1501/* failback to io_apic interrupt routing */ 1502 try_ioapic: 1503 1504 ioc->reply_queue_count = 1; 1505 r = _base_request_irq(ioc, 0, ioc->pdev->irq); 1506 1507 return r; 1508} 1509 1510/** 1511 * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) 1512 * @ioc: per adapter object 1513 * 1514 * Returns 0 for success, non-zero for failure. 1515 */ 1516int 1517mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) 1518{ 1519 struct pci_dev *pdev = ioc->pdev; 1520 u32 memap_sz; 1521 u32 pio_sz; 1522 int i, r = 0; 1523 u64 pio_chip = 0; 1524 u64 chip_phys = 0; 1525 struct adapter_reply_queue *reply_q; 1526 1527 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", 1528 ioc->name, __func__)); 1529 1530 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); 1531 if (pci_enable_device_mem(pdev)) { 1532 printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " 1533 "failed\n", ioc->name); 1534 ioc->bars = 0; 1535 return -ENODEV; 1536 } 1537 1538 1539 if (pci_request_selected_regions(pdev, ioc->bars, 1540 MPT2SAS_DRIVER_NAME)) { 1541 printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " 1542 "failed\n", ioc->name); 1543 ioc->bars = 0; 1544 r = -ENODEV; 1545 goto out_fail; 1546 } 1547 1548 /* AER (Advanced Error Reporting) hooks */ 1549 pci_enable_pcie_error_reporting(pdev); 1550 1551 pci_set_master(pdev); 1552 1553 if (_base_config_dma_addressing(ioc, pdev) != 0) { 1554 printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", 1555 ioc->name, pci_name(pdev)); 1556 r = -ENODEV; 1557 goto out_fail; 1558 } 1559 1560 for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { 1561 if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { 1562 if (pio_sz) 1563 continue; 1564 pio_chip = (u64)pci_resource_start(pdev, i); 1565 pio_sz = pci_resource_len(pdev, i); 1566 } else { 1567 if (memap_sz) 1568 continue; 1569 /* verify memory resource is valid before using */ 1570 if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { 1571 ioc->chip_phys = pci_resource_start(pdev, i); 1572 chip_phys = (u64)ioc->chip_phys; 1573 memap_sz = pci_resource_len(pdev, i); 1574 ioc->chip = ioremap(ioc->chip_phys, memap_sz); 1575 if (ioc->chip == NULL) { 1576 printk(MPT2SAS_ERR_FMT "unable to map " 1577 "adapter memory!\n", ioc->name); 1578 r = -EINVAL; 1579 goto out_fail; 1580 } 1581 } 1582 } 1583 } 1584 1585 _base_mask_interrupts(ioc); 1586 1587 r = _base_get_ioc_facts(ioc, CAN_SLEEP); 1588 if (r) 1589 goto out_fail; 1590 1591 if (!ioc->rdpq_array_enable_assigned) { 1592 ioc->rdpq_array_enable = ioc->rdpq_array_capable; 1593 ioc->rdpq_array_enable_assigned = 1; 1594 } 1595 1596 r = _base_enable_msix(ioc); 1597 if (r) 1598 goto out_fail; 1599 1600 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) 1601 printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", 1602 reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : 1603 "IO-APIC enabled"), reply_q->vector); 1604 1605 printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", 1606 ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); 1607 printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", 1608 ioc->name, (unsigned long long)pio_chip, pio_sz); 1609 1610 /* Save PCI configuration state for recovery from PCI AER/EEH errors */ 1611 pci_save_state(pdev); 1612 1613 return 0; 1614 1615 out_fail: 1616 if (ioc->chip_phys) 1617 iounmap(ioc->chip); 1618 ioc->chip_phys = 0; 1619 pci_release_selected_regions(ioc->pdev, ioc->bars); 1620 pci_disable_pcie_error_reporting(pdev); 1621 pci_disable_device(pdev); 1622 return r; 1623} 1624 1625/** 1626 * mpt2sas_base_get_msg_frame - obtain request mf pointer 1627 * @ioc: per adapter object 1628 * @smid: system request message index(smid zero is invalid) 1629 * 1630 * Returns virt pointer to message frame. 1631 */ 1632void * 1633mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) 1634{ 1635 return (void *)(ioc->request + (smid * ioc->request_sz)); 1636} 1637 1638/** 1639 * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request 1640 * @ioc: per adapter object 1641 * @smid: system request message index 1642 * 1643 * Returns virt pointer to sense buffer. 1644 */ 1645void * 1646mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) 1647{ 1648 return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); 1649} 1650 1651/** 1652 * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request 1653 * @ioc: per adapter object 1654 * @smid: system request message index 1655 * 1656 * Returns phys pointer to the low 32bit address of the sense buffer. 1657 */ 1658__le32 1659mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) 1660{ 1661 return cpu_to_le32(ioc->sense_dma + 1662 ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); 1663} 1664 1665/** 1666 * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address 1667 * @ioc: per adapter object 1668 * @phys_addr: lower 32 physical addr of the reply 1669 * 1670 * Converts 32bit lower physical addr into a virt address. 1671 */ 1672void * 1673mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) 1674{ 1675 if (!phys_addr) 1676 return NULL; 1677 return ioc->reply + (phys_addr - (u32)ioc->reply_dma); 1678} 1679 1680/** 1681 * mpt2sas_base_get_smid - obtain a free smid from internal queue 1682 * @ioc: per adapter object 1683 * @cb_idx: callback index 1684 * 1685 * Returns smid (zero is invalid) 1686 */ 1687u16 1688mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) 1689{ 1690 unsigned long flags; 1691 struct request_tracker *request; 1692 u16 smid; 1693 1694 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1695 if (list_empty(&ioc->internal_free_list)) { 1696 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1697 printk(MPT2SAS_ERR_FMT "%s: smid not available\n", 1698 ioc->name, __func__); 1699 return 0; 1700 } 1701 1702 request = list_entry(ioc->internal_free_list.next, 1703 struct request_tracker, tracker_list); 1704 request->cb_idx = cb_idx; 1705 smid = request->smid; 1706 list_del(&request->tracker_list); 1707 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1708 return smid; 1709} 1710 1711/** 1712 * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue 1713 * @ioc: per adapter object 1714 * @cb_idx: callback index 1715 * @scmd: pointer to scsi command object 1716 * 1717 * Returns smid (zero is invalid) 1718 */ 1719u16 1720mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, 1721 struct scsi_cmnd *scmd) 1722{ 1723 unsigned long flags; 1724 struct scsiio_tracker *request; 1725 u16 smid; 1726 1727 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1728 if (list_empty(&ioc->free_list)) { 1729 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1730 printk(MPT2SAS_ERR_FMT "%s: smid not available\n", 1731 ioc->name, __func__); 1732 return 0; 1733 } 1734 1735 request = list_entry(ioc->free_list.next, 1736 struct scsiio_tracker, tracker_list); 1737 request->scmd = scmd; 1738 request->cb_idx = cb_idx; 1739 smid = request->smid; 1740 list_del(&request->tracker_list); 1741 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1742 return smid; 1743} 1744 1745/** 1746 * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue 1747 * @ioc: per adapter object 1748 * @cb_idx: callback index 1749 * 1750 * Returns smid (zero is invalid) 1751 */ 1752u16 1753mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) 1754{ 1755 unsigned long flags; 1756 struct request_tracker *request; 1757 u16 smid; 1758 1759 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1760 if (list_empty(&ioc->hpr_free_list)) { 1761 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1762 return 0; 1763 } 1764 1765 request = list_entry(ioc->hpr_free_list.next, 1766 struct request_tracker, tracker_list); 1767 request->cb_idx = cb_idx; 1768 smid = request->smid; 1769 list_del(&request->tracker_list); 1770 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1771 return smid; 1772} 1773 1774 1775/** 1776 * mpt2sas_base_free_smid - put smid back on free_list 1777 * @ioc: per adapter object 1778 * @smid: system request message index 1779 * 1780 * Return nothing. 1781 */ 1782void 1783mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) 1784{ 1785 unsigned long flags; 1786 int i; 1787 struct chain_tracker *chain_req, *next; 1788 1789 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1790 if (smid < ioc->hi_priority_smid) { 1791 /* scsiio queue */ 1792 i = smid - 1; 1793 if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { 1794 list_for_each_entry_safe(chain_req, next, 1795 &ioc->scsi_lookup[i].chain_list, tracker_list) { 1796 list_del_init(&chain_req->tracker_list); 1797 list_add(&chain_req->tracker_list, 1798 &ioc->free_chain_list); 1799 } 1800 } 1801 ioc->scsi_lookup[i].cb_idx = 0xFF; 1802 ioc->scsi_lookup[i].scmd = NULL; 1803 ioc->scsi_lookup[i].direct_io = 0; 1804 list_add(&ioc->scsi_lookup[i].tracker_list, 1805 &ioc->free_list); 1806 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1807 1808 /* 1809 * See _wait_for_commands_to_complete() call with regards 1810 * to this code. 1811 */ 1812 if (ioc->shost_recovery && ioc->pending_io_count) { 1813 if (ioc->pending_io_count == 1) 1814 wake_up(&ioc->reset_wq); 1815 ioc->pending_io_count--; 1816 } 1817 return; 1818 } else if (smid < ioc->internal_smid) { 1819 /* hi-priority */ 1820 i = smid - ioc->hi_priority_smid; 1821 ioc->hpr_lookup[i].cb_idx = 0xFF; 1822 list_add(&ioc->hpr_lookup[i].tracker_list, 1823 &ioc->hpr_free_list); 1824 } else if (smid <= ioc->hba_queue_depth) { 1825 /* internal queue */ 1826 i = smid - ioc->internal_smid; 1827 ioc->internal_lookup[i].cb_idx = 0xFF; 1828 list_add(&ioc->internal_lookup[i].tracker_list, 1829 &ioc->internal_free_list); 1830 } 1831 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1832} 1833 1834/** 1835 * _base_writeq - 64 bit write to MMIO 1836 * @ioc: per adapter object 1837 * @b: data payload 1838 * @addr: address in MMIO space 1839 * @writeq_lock: spin lock 1840 * 1841 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes 1842 * care of 32 bit environment where its not quarenteed to send the entire word 1843 * in one transfer. 1844 */ 1845#ifndef writeq 1846static inline void _base_writeq(__u64 b, volatile void __iomem *addr, 1847 spinlock_t *writeq_lock) 1848{ 1849 unsigned long flags; 1850 __u64 data_out = cpu_to_le64(b); 1851 1852 spin_lock_irqsave(writeq_lock, flags); 1853 writel((u32)(data_out), addr); 1854 writel((u32)(data_out >> 32), (addr + 4)); 1855 spin_unlock_irqrestore(writeq_lock, flags); 1856} 1857#else 1858static inline void _base_writeq(__u64 b, volatile void __iomem *addr, 1859 spinlock_t *writeq_lock) 1860{ 1861 writeq(cpu_to_le64(b), addr); 1862} 1863#endif 1864 1865static inline u8 1866_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) 1867{ 1868 return ioc->cpu_msix_table[raw_smp_processor_id()]; 1869} 1870 1871/** 1872 * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware 1873 * @ioc: per adapter object 1874 * @smid: system request message index 1875 * @handle: device handle 1876 * 1877 * Return nothing. 1878 */ 1879void 1880mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) 1881{ 1882 Mpi2RequestDescriptorUnion_t descriptor; 1883 u64 *request = (u64 *)&descriptor; 1884 1885 1886 descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; 1887 descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); 1888 descriptor.SCSIIO.SMID = cpu_to_le16(smid); 1889 descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); 1890 descriptor.SCSIIO.LMID = 0; 1891 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, 1892 &ioc->scsi_lookup_lock); 1893} 1894 1895 1896/** 1897 * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware 1898 * @ioc: per adapter object 1899 * @smid: system request message index 1900 * 1901 * Return nothing. 1902 */ 1903void 1904mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) 1905{ 1906 Mpi2RequestDescriptorUnion_t descriptor; 1907 u64 *request = (u64 *)&descriptor; 1908 1909 descriptor.HighPriority.RequestFlags = 1910 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; 1911 descriptor.HighPriority.MSIxIndex = 0; 1912 descriptor.HighPriority.SMID = cpu_to_le16(smid); 1913 descriptor.HighPriority.LMID = 0; 1914 descriptor.HighPriority.Reserved1 = 0; 1915 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, 1916 &ioc->scsi_lookup_lock); 1917} 1918 1919/** 1920 * mpt2sas_base_put_smid_default - Default, primarily used for config pages 1921 * @ioc: per adapter object 1922 * @smid: system request message index 1923 * 1924 * Return nothing. 1925 */ 1926void 1927mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) 1928{ 1929 Mpi2RequestDescriptorUnion_t descriptor; 1930 u64 *request = (u64 *)&descriptor; 1931 1932 descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1933 descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); 1934 descriptor.Default.SMID = cpu_to_le16(smid); 1935 descriptor.Default.LMID = 0; 1936 descriptor.Default.DescriptorTypeDependent = 0; 1937 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, 1938 &ioc->scsi_lookup_lock); 1939} 1940 1941/** 1942 * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware 1943 * @ioc: per adapter object 1944 * @smid: system request message index 1945 * @io_index: value used to track the IO 1946 * 1947 * Return nothing. 1948 */ 1949void 1950mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, 1951 u16 io_index) 1952{ 1953 Mpi2RequestDescriptorUnion_t descriptor; 1954 u64 *request = (u64 *)&descriptor; 1955 1956 descriptor.SCSITarget.RequestFlags = 1957 MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; 1958 descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); 1959 descriptor.SCSITarget.SMID = cpu_to_le16(smid); 1960 descriptor.SCSITarget.LMID = 0; 1961 descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); 1962 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, 1963 &ioc->scsi_lookup_lock); 1964} 1965 1966/** 1967 * _base_display_dell_branding - Disply branding string 1968 * @ioc: per adapter object 1969 * 1970 * Return nothing. 1971 */ 1972static void 1973_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) 1974{ 1975 char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; 1976 1977 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) 1978 return; 1979 1980 memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); 1981 switch (ioc->pdev->subsystem_device) { 1982 case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: 1983 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, 1984 MPT2SAS_DELL_BRANDING_SIZE - 1); 1985 break; 1986 case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: 1987 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, 1988 MPT2SAS_DELL_BRANDING_SIZE - 1); 1989 break; 1990 case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: 1991 strncpy(dell_branding, 1992 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, 1993 MPT2SAS_DELL_BRANDING_SIZE - 1); 1994 break; 1995 case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: 1996 strncpy(dell_branding, 1997 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, 1998 MPT2SAS_DELL_BRANDING_SIZE - 1); 1999 break; 2000 case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: 2001 strncpy(dell_branding, 2002 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, 2003 MPT2SAS_DELL_BRANDING_SIZE - 1); 2004 break; 2005 case MPT2SAS_DELL_PERC_H200_SSDID: 2006 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, 2007 MPT2SAS_DELL_BRANDING_SIZE - 1); 2008 break; 2009 case MPT2SAS_DELL_6GBPS_SAS_SSDID: 2010 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, 2011 MPT2SAS_DELL_BRANDING_SIZE - 1); 2012 break; 2013 default: 2014 sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); 2015 break; 2016 } 2017 2018 printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," 2019 " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, 2020 ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, 2021 ioc->pdev->subsystem_device); 2022} 2023 2024/** 2025 * _base_display_intel_branding - Display branding string 2026 * @ioc: per adapter object 2027 * 2028 * Return nothing. 2029 */ 2030static void 2031_base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) 2032{ 2033 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) 2034 return; 2035 2036 switch (ioc->pdev->device) { 2037 case MPI2_MFGPAGE_DEVID_SAS2008: 2038 switch (ioc->pdev->subsystem_device) { 2039 case MPT2SAS_INTEL_RMS2LL080_SSDID: 2040 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2041 MPT2SAS_INTEL_RMS2LL080_BRANDING); 2042 break; 2043 case MPT2SAS_INTEL_RMS2LL040_SSDID: 2044 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2045 MPT2SAS_INTEL_RMS2LL040_BRANDING); 2046 break; 2047 case MPT2SAS_INTEL_SSD910_SSDID: 2048 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2049 MPT2SAS_INTEL_SSD910_BRANDING); 2050 break; 2051 default: 2052 break; 2053 } 2054 case MPI2_MFGPAGE_DEVID_SAS2308_2: 2055 switch (ioc->pdev->subsystem_device) { 2056 case MPT2SAS_INTEL_RS25GB008_SSDID: 2057 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2058 MPT2SAS_INTEL_RS25GB008_BRANDING); 2059 break; 2060 case MPT2SAS_INTEL_RMS25JB080_SSDID: 2061 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2062 MPT2SAS_INTEL_RMS25JB080_BRANDING); 2063 break; 2064 case MPT2SAS_INTEL_RMS25JB040_SSDID: 2065 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2066 MPT2SAS_INTEL_RMS25JB040_BRANDING); 2067 break; 2068 case MPT2SAS_INTEL_RMS25KB080_SSDID: 2069 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2070 MPT2SAS_INTEL_RMS25KB080_BRANDING); 2071 break; 2072 case MPT2SAS_INTEL_RMS25KB040_SSDID: 2073 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2074 MPT2SAS_INTEL_RMS25KB040_BRANDING); 2075 break; 2076 case MPT2SAS_INTEL_RMS25LB040_SSDID: 2077 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2078 MPT2SAS_INTEL_RMS25LB040_BRANDING); 2079 break; 2080 case MPT2SAS_INTEL_RMS25LB080_SSDID: 2081 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2082 MPT2SAS_INTEL_RMS25LB080_BRANDING); 2083 break; 2084 default: 2085 break; 2086 } 2087 default: 2088 break; 2089 } 2090} 2091 2092/** 2093 * _base_display_hp_branding - Display branding string 2094 * @ioc: per adapter object 2095 * 2096 * Return nothing. 2097 */ 2098static void 2099_base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) 2100{ 2101 if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) 2102 return; 2103 2104 switch (ioc->pdev->device) { 2105 case MPI2_MFGPAGE_DEVID_SAS2004: 2106 switch (ioc->pdev->subsystem_device) { 2107 case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: 2108 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2109 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); 2110 break; 2111 default: 2112 break; 2113 } 2114 case MPI2_MFGPAGE_DEVID_SAS2308_2: 2115 switch (ioc->pdev->subsystem_device) { 2116 case MPT2SAS_HP_2_4_INTERNAL_SSDID: 2117 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2118 MPT2SAS_HP_2_4_INTERNAL_BRANDING); 2119 break; 2120 case MPT2SAS_HP_2_4_EXTERNAL_SSDID: 2121 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2122 MPT2SAS_HP_2_4_EXTERNAL_BRANDING); 2123 break; 2124 case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: 2125 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2126 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); 2127 break; 2128 case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: 2129 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2130 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); 2131 break; 2132 default: 2133 break; 2134 } 2135 default: 2136 break; 2137 } 2138} 2139 2140/** 2141 * _base_display_ioc_capabilities - Disply IOC's capabilities. 2142 * @ioc: per adapter object 2143 * 2144 * Return nothing. 2145 */ 2146static void 2147_base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) 2148{ 2149 int i = 0; 2150 char desc[16]; 2151 u32 iounit_pg1_flags; 2152 u32 bios_version; 2153 2154 bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); 2155 strncpy(desc, ioc->manu_pg0.ChipName, 16); 2156 printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " 2157 "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", 2158 ioc->name, desc, 2159 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 2160 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 2161 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 2162 ioc->facts.FWVersion.Word & 0x000000FF, 2163 ioc->pdev->revision, 2164 (bios_version & 0xFF000000) >> 24, 2165 (bios_version & 0x00FF0000) >> 16, 2166 (bios_version & 0x0000FF00) >> 8, 2167 bios_version & 0x000000FF); 2168 2169 _base_display_dell_branding(ioc); 2170 _base_display_intel_branding(ioc); 2171 _base_display_hp_branding(ioc); 2172 2173 printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); 2174 2175 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { 2176 printk("Initiator"); 2177 i++; 2178 } 2179 2180 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { 2181 printk("%sTarget", i ? "," : ""); 2182 i++; 2183 } 2184 2185 i = 0; 2186 printk("), "); 2187 printk("Capabilities=("); 2188 2189 if (!ioc->hide_ir_msg) { 2190 if (ioc->facts.IOCCapabilities & 2191 MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { 2192 printk("Raid"); 2193 i++; 2194 } 2195 } 2196 2197 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { 2198 printk("%sTLR", i ? "," : ""); 2199 i++; 2200 } 2201 2202 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { 2203 printk("%sMulticast", i ? "," : ""); 2204 i++; 2205 } 2206 2207 if (ioc->facts.IOCCapabilities & 2208 MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { 2209 printk("%sBIDI Target", i ? "," : ""); 2210 i++; 2211 } 2212 2213 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { 2214 printk("%sEEDP", i ? "," : ""); 2215 i++; 2216 } 2217 2218 if (ioc->facts.IOCCapabilities & 2219 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { 2220 printk("%sSnapshot Buffer", i ? "," : ""); 2221 i++; 2222 } 2223 2224 if (ioc->facts.IOCCapabilities & 2225 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { 2226 printk("%sDiag Trace Buffer", i ? "," : ""); 2227 i++; 2228 } 2229 2230 if (ioc->facts.IOCCapabilities & 2231 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { 2232 printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); 2233 i++; 2234 } 2235 2236 if (ioc->facts.IOCCapabilities & 2237 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { 2238 printk("%sTask Set Full", i ? "," : ""); 2239 i++; 2240 } 2241 2242 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); 2243 if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { 2244 printk("%sNCQ", i ? "," : ""); 2245 i++; 2246 } 2247 2248 printk(")\n"); 2249} 2250 2251/** 2252 * mpt2sas_base_update_missing_delay - change the missing delay timers 2253 * @ioc: per adapter object 2254 * @device_missing_delay: amount of time till device is reported missing 2255 * @io_missing_delay: interval IO is returned when there is a missing device 2256 * 2257 * Return nothing. 2258 * 2259 * Passed on the command line, this function will modify the device missing 2260 * delay, as well as the io missing delay. This should be called at driver 2261 * load time. 2262 */ 2263void 2264mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, 2265 u16 device_missing_delay, u8 io_missing_delay) 2266{ 2267 u16 dmd, dmd_new, dmd_orignal; 2268 u8 io_missing_delay_original; 2269 u16 sz; 2270 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; 2271 Mpi2ConfigReply_t mpi_reply; 2272 u8 num_phys = 0; 2273 u16 ioc_status; 2274 2275 mpt2sas_config_get_number_hba_phys(ioc, &num_phys); 2276 if (!num_phys) 2277 return; 2278 2279 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * 2280 sizeof(Mpi2SasIOUnit1PhyData_t)); 2281 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); 2282 if (!sas_iounit_pg1) { 2283 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", 2284 ioc->name, __FILE__, __LINE__, __func__); 2285 goto out; 2286 } 2287 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, 2288 sas_iounit_pg1, sz))) { 2289 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", 2290 ioc->name, __FILE__, __LINE__, __func__); 2291 goto out; 2292 } 2293 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & 2294 MPI2_IOCSTATUS_MASK; 2295 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { 2296 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", 2297 ioc->name, __FILE__, __LINE__, __func__); 2298 goto out; 2299 } 2300 2301 /* device missing delay */ 2302 dmd = sas_iounit_pg1->ReportDeviceMissingDelay; 2303 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) 2304 dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; 2305 else 2306 dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; 2307 dmd_orignal = dmd; 2308 if (device_missing_delay > 0x7F) { 2309 dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : 2310 device_missing_delay; 2311 dmd = dmd / 16; 2312 dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; 2313 } else 2314 dmd = device_missing_delay; 2315 sas_iounit_pg1->ReportDeviceMissingDelay = dmd; 2316 2317 /* io missing delay */ 2318 io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; 2319 sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; 2320 2321 if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, 2322 sz)) { 2323 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) 2324 dmd_new = (dmd & 2325 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; 2326 else 2327 dmd_new = 2328 dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; 2329 printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " 2330 "new(%d)\n", ioc->name, dmd_orignal, dmd_new); 2331 printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " 2332 "new(%d)\n", ioc->name, io_missing_delay_original, 2333 io_missing_delay); 2334 ioc->device_missing_delay = dmd_new; 2335 ioc->io_missing_delay = io_missing_delay; 2336 } 2337 2338out: 2339 kfree(sas_iounit_pg1); 2340} 2341 2342/** 2343 * _base_static_config_pages - static start of day config pages 2344 * @ioc: per adapter object 2345 * 2346 * Return nothing. 2347 */ 2348static void 2349_base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) 2350{ 2351 Mpi2ConfigReply_t mpi_reply; 2352 u32 iounit_pg1_flags; 2353 2354 mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); 2355 if (ioc->ir_firmware) 2356 mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, 2357 &ioc->manu_pg10); 2358 mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); 2359 mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); 2360 mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); 2361 mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); 2362 mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); 2363 mpt2sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8); 2364 _base_display_ioc_capabilities(ioc); 2365 2366 /* 2367 * Enable task_set_full handling in iounit_pg1 when the 2368 * facts capabilities indicate that its supported. 2369 */ 2370 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); 2371 if ((ioc->facts.IOCCapabilities & 2372 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) 2373 iounit_pg1_flags &= 2374 ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; 2375 else 2376 iounit_pg1_flags |= 2377 MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; 2378 ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); 2379 mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); 2380 2381 if (ioc->iounit_pg8.NumSensors) 2382 ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors; 2383} 2384 2385/** 2386 * _base_release_memory_pools - release memory 2387 * @ioc: per adapter object 2388 * 2389 * Free memory allocated from _base_allocate_memory_pools. 2390 * 2391 * Return nothing. 2392 */ 2393static void 2394_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) 2395{ 2396 int i = 0; 2397 struct reply_post_struct *rps; 2398 2399 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2400 __func__)); 2401 2402 if (ioc->request) { 2403 pci_free_consistent(ioc->pdev, ioc->request_dma_sz, 2404 ioc->request, ioc->request_dma); 2405 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" 2406 ": free\n", ioc->name, ioc->request)); 2407 ioc->request = NULL; 2408 } 2409 2410 if (ioc->sense) { 2411 pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); 2412 if (ioc->sense_dma_pool) 2413 pci_pool_destroy(ioc->sense_dma_pool); 2414 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" 2415 ": free\n", ioc->name, ioc->sense)); 2416 ioc->sense = NULL; 2417 } 2418 2419 if (ioc->reply) { 2420 pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); 2421 if (ioc->reply_dma_pool) 2422 pci_pool_destroy(ioc->reply_dma_pool); 2423 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" 2424 ": free\n", ioc->name, ioc->reply)); 2425 ioc->reply = NULL; 2426 } 2427 2428 if (ioc->reply_free) { 2429 pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, 2430 ioc->reply_free_dma); 2431 if (ioc->reply_free_dma_pool) 2432 pci_pool_destroy(ioc->reply_free_dma_pool); 2433 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" 2434 "(0x%p): free\n", ioc->name, ioc->reply_free)); 2435 ioc->reply_free = NULL; 2436 } 2437 2438 if (ioc->reply_post) { 2439 do { 2440 rps = &ioc->reply_post[i]; 2441 if (rps->reply_post_free) { 2442 pci_pool_free( 2443 ioc->reply_post_free_dma_pool, 2444 rps->reply_post_free, 2445 rps->reply_post_free_dma); 2446 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT 2447 "reply_post_free_pool(0x%p): free\n", 2448 ioc->name, rps->reply_post_free)); 2449 rps->reply_post_free = NULL; 2450 } 2451 } while (ioc->rdpq_array_enable && 2452 (++i < ioc->reply_queue_count)); 2453 2454 if (ioc->reply_post_free_dma_pool) 2455 pci_pool_destroy(ioc->reply_post_free_dma_pool); 2456 kfree(ioc->reply_post); 2457 } 2458 2459 if (ioc->config_page) { 2460 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT 2461 "config_page(0x%p): free\n", ioc->name, 2462 ioc->config_page)); 2463 pci_free_consistent(ioc->pdev, ioc->config_page_sz, 2464 ioc->config_page, ioc->config_page_dma); 2465 } 2466 2467 if (ioc->scsi_lookup) { 2468 free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); 2469 ioc->scsi_lookup = NULL; 2470 } 2471 kfree(ioc->hpr_lookup); 2472 kfree(ioc->internal_lookup); 2473 if (ioc->chain_lookup) { 2474 for (i = 0; i < ioc->chain_depth; i++) { 2475 if (ioc->chain_lookup[i].chain_buffer) 2476 pci_pool_free(ioc->chain_dma_pool, 2477 ioc->chain_lookup[i].chain_buffer, 2478 ioc->chain_lookup[i].chain_buffer_dma); 2479 } 2480 if (ioc->chain_dma_pool) 2481 pci_pool_destroy(ioc->chain_dma_pool); 2482 free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); 2483 ioc->chain_lookup = NULL; 2484 } 2485} 2486 2487 2488/** 2489 * _base_allocate_memory_pools - allocate start of day memory pools 2490 * @ioc: per adapter object 2491 * @sleep_flag: CAN_SLEEP or NO_SLEEP 2492 * 2493 * Returns 0 success, anything else error 2494 */ 2495static int 2496_base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 2497{ 2498 struct mpt2sas_facts *facts; 2499 u16 max_sge_elements; 2500 u16 chains_needed_per_io; 2501 u32 sz, total_sz, reply_post_free_sz; 2502 u32 retry_sz; 2503 u16 max_request_credit; 2504 int i; 2505 2506 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 2507 __func__)); 2508 2509 retry_sz = 0; 2510 facts = &ioc->facts; 2511 2512 /* command line tunables for max sgl entries */ 2513 if (max_sgl_entries != -1) { 2514 ioc->shost->sg_tablesize = min_t(unsigned short, 2515 max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS); 2516 if (ioc->shost->sg_tablesize > MPT2SAS_SG_DEPTH) 2517 printk(MPT2SAS_WARN_FMT 2518 "sg_tablesize(%u) is bigger than kernel defined" 2519 " SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name, 2520 ioc->shost->sg_tablesize, MPT2SAS_SG_DEPTH); 2521 } else { 2522 ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; 2523 } 2524 2525 /* command line tunables for max controller queue depth */ 2526 if (max_queue_depth != -1 && max_queue_depth != 0) { 2527 max_request_credit = min_t(u16, max_queue_depth + 2528 ioc->hi_priority_depth + ioc->internal_depth, 2529 facts->RequestCredit); 2530 if (max_request_credit > MAX_HBA_QUEUE_DEPTH) 2531 max_request_credit = MAX_HBA_QUEUE_DEPTH; 2532 } else 2533 max_request_credit = min_t(u16, facts->RequestCredit, 2534 MAX_HBA_QUEUE_DEPTH); 2535 2536 ioc->hba_queue_depth = max_request_credit; 2537 ioc->hi_priority_depth = facts->HighPriorityCredit; 2538 ioc->internal_depth = ioc->hi_priority_depth + 5; 2539 2540 /* request frame size */ 2541 ioc->request_sz = facts->IOCRequestFrameSize * 4; 2542 2543 /* reply frame size */ 2544 ioc->reply_sz = facts->ReplyFrameSize * 4; 2545 2546 retry_allocation: 2547 total_sz = 0; 2548 /* calculate number of sg elements left over in the 1st frame */ 2549 max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - 2550 sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); 2551 ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; 2552 2553 /* now do the same for a chain buffer */ 2554 max_sge_elements = ioc->request_sz - ioc->sge_size; 2555 ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; 2556 2557 ioc->chain_offset_value_for_main_message = 2558 ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + 2559 (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; 2560 2561 /* 2562 * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE 2563 */ 2564 chains_needed_per_io = ((ioc->shost->sg_tablesize - 2565 ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) 2566 + 1; 2567 if (chains_needed_per_io > facts->MaxChainDepth) { 2568 chains_needed_per_io = facts->MaxChainDepth; 2569 ioc->shost->sg_tablesize = min_t(u16, 2570 ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message 2571 * chains_needed_per_io), ioc->shost->sg_tablesize); 2572 } 2573 ioc->chains_needed_per_io = chains_needed_per_io; 2574 2575 /* reply free queue sizing - taking into account for 64 FW events */ 2576 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; 2577 2578 /* calculate reply descriptor post queue depth */ 2579 ioc->reply_post_queue_depth = ioc->hba_queue_depth + 2580 ioc->reply_free_queue_depth + 1; 2581 /* align the reply post queue on the next 16 count boundary */ 2582 if (ioc->reply_post_queue_depth % 16) 2583 ioc->reply_post_queue_depth += 16 - 2584 (ioc->reply_post_queue_depth % 16); 2585 2586 2587 if (ioc->reply_post_queue_depth > 2588 facts->MaxReplyDescriptorPostQueueDepth) { 2589 ioc->reply_post_queue_depth = 2590 facts->MaxReplyDescriptorPostQueueDepth - 2591 (facts->MaxReplyDescriptorPostQueueDepth % 16); 2592 ioc->hba_queue_depth = 2593 ((ioc->reply_post_queue_depth - 64) / 2) - 1; 2594 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; 2595 } 2596 2597 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " 2598 "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " 2599 "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, 2600 ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, 2601 ioc->chains_needed_per_io)); 2602 2603 /* reply post queue, 16 byte align */ 2604 reply_post_free_sz = ioc->reply_post_queue_depth * 2605 sizeof(Mpi2DefaultReplyDescriptor_t); 2606 2607 sz = reply_post_free_sz; 2608 if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable) 2609 sz *= ioc->reply_queue_count; 2610 2611 ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ? 2612 (ioc->reply_queue_count):1, 2613 sizeof(struct reply_post_struct), GFP_KERNEL); 2614 2615 if (!ioc->reply_post) { 2616 printk(MPT2SAS_ERR_FMT "reply_post_free pool: kcalloc failed\n", 2617 ioc->name); 2618 goto out; 2619 } 2620 ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", 2621 ioc->pdev, sz, 16, 0); 2622 if (!ioc->reply_post_free_dma_pool) { 2623 printk(MPT2SAS_ERR_FMT 2624 "reply_post_free pool: pci_pool_create failed\n", 2625 ioc->name); 2626 goto out; 2627 } 2628 i = 0; 2629 do { 2630 ioc->reply_post[i].reply_post_free = 2631 pci_pool_alloc(ioc->reply_post_free_dma_pool, 2632 GFP_KERNEL, 2633 &ioc->reply_post[i].reply_post_free_dma); 2634 if (!ioc->reply_post[i].reply_post_free) { 2635 printk(MPT2SAS_ERR_FMT 2636 "reply_post_free pool: pci_pool_alloc failed\n", 2637 ioc->name); 2638 goto out; 2639 } 2640 memset(ioc->reply_post[i].reply_post_free, 0, sz); 2641 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT 2642 "reply post free pool (0x%p): depth(%d)," 2643 "element_size(%d), pool_size(%d kB)\n", ioc->name, 2644 ioc->reply_post[i].reply_post_free, 2645 ioc->reply_post_queue_depth, 8, sz/1024)); 2646 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT 2647 "reply_post_free_dma = (0x%llx)\n", ioc->name, 2648 (unsigned long long) 2649 ioc->reply_post[i].reply_post_free_dma)); 2650 total_sz += sz; 2651 } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); 2652 2653 if (ioc->dma_mask == 64) { 2654 if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { 2655 printk(MPT2SAS_WARN_FMT 2656 "no suitable consistent DMA mask for %s\n", 2657 ioc->name, pci_name(ioc->pdev)); 2658 goto out; 2659 } 2660 } 2661 2662 ioc->scsiio_depth = ioc->hba_queue_depth - 2663 ioc->hi_priority_depth - ioc->internal_depth; 2664 2665 /* set the scsi host can_queue depth 2666 * with some internal commands that could be outstanding 2667 */ 2668 ioc->shost->can_queue = ioc->scsiio_depth; 2669 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " 2670 "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); 2671 2672 /* contiguous pool for request and chains, 16 byte align, one extra " 2673 * "frame for smid=0 2674 */ 2675 ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; 2676 sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); 2677 2678 /* hi-priority queue */ 2679 sz += (ioc->hi_priority_depth * ioc->request_sz); 2680 2681 /* internal queue */ 2682 sz += (ioc->internal_depth * ioc->request_sz); 2683 2684 ioc->request_dma_sz = sz; 2685 ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); 2686 if (!ioc->request) { 2687 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " 2688 "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " 2689 "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, 2690 ioc->chains_needed_per_io, ioc->request_sz, sz/1024); 2691 if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) 2692 goto out; 2693 retry_sz += 64; 2694 ioc->hba_queue_depth = max_request_credit - retry_sz; 2695 goto retry_allocation; 2696 } 2697 2698 if (retry_sz) 2699 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " 2700 "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " 2701 "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, 2702 ioc->chains_needed_per_io, ioc->request_sz, sz/1024); 2703 2704 2705 /* hi-priority queue */ 2706 ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * 2707 ioc->request_sz); 2708 ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * 2709 ioc->request_sz); 2710 2711 /* internal queue */ 2712 ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * 2713 ioc->request_sz); 2714 ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * 2715 ioc->request_sz); 2716 2717 2718 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " 2719 "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, 2720 ioc->request, ioc->hba_queue_depth, ioc->request_sz, 2721 (ioc->hba_queue_depth * ioc->request_sz)/1024)); 2722 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", 2723 ioc->name, (unsigned long long) ioc->request_dma)); 2724 total_sz += sz; 2725 2726 sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); 2727 ioc->scsi_lookup_pages = get_order(sz); 2728 ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( 2729 GFP_KERNEL, ioc->scsi_lookup_pages); 2730 if (!ioc->scsi_lookup) { 2731 printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " 2732 "sz(%d)\n", ioc->name, (int)sz); 2733 goto out; 2734 } 2735 2736 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " 2737 "depth(%d)\n", ioc->name, ioc->request, 2738 ioc->scsiio_depth)); 2739 2740 ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); 2741 sz = ioc->chain_depth * sizeof(struct chain_tracker); 2742 ioc->chain_pages = get_order(sz); 2743 2744 ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( 2745 GFP_KERNEL, ioc->chain_pages); 2746 if (!ioc->chain_lookup) { 2747 printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " 2748 "sz(%d)\n", ioc->name, (int)sz); 2749 goto out; 2750 } 2751 ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, 2752 ioc->request_sz, 16, 0); 2753 if (!ioc->chain_dma_pool) { 2754 printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " 2755 "failed\n", ioc->name); 2756 goto out; 2757 } 2758 for (i = 0; i < ioc->chain_depth; i++) { 2759 ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( 2760 ioc->chain_dma_pool , GFP_KERNEL, 2761 &ioc->chain_lookup[i].chain_buffer_dma); 2762 if (!ioc->chain_lookup[i].chain_buffer) { 2763 ioc->chain_depth = i; 2764 goto chain_done; 2765 } 2766 total_sz += ioc->request_sz; 2767 } 2768chain_done: 2769 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" 2770 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, 2771 ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * 2772 ioc->request_sz))/1024)); 2773 2774 /* initialize hi-priority queue smid's */ 2775 ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, 2776 sizeof(struct request_tracker), GFP_KERNEL); 2777 if (!ioc->hpr_lookup) { 2778 printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", 2779 ioc->name); 2780 goto out; 2781 } 2782 ioc->hi_priority_smid = ioc->scsiio_depth + 1; 2783 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " 2784 "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, 2785 ioc->hi_priority_depth, ioc->hi_priority_smid)); 2786 2787 /* initialize internal queue smid's */ 2788 ioc->internal_lookup = kcalloc(ioc->internal_depth, 2789 sizeof(struct request_tracker), GFP_KERNEL); 2790 if (!ioc->internal_lookup) { 2791 printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", 2792 ioc->name); 2793 goto out; 2794 } 2795 ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; 2796 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " 2797 "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, 2798 ioc->internal_depth, ioc->internal_smid)); 2799 2800 /* sense buffers, 4 byte align */ 2801 sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; 2802 ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, 2803 0); 2804 if (!ioc->sense_dma_pool) { 2805 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", 2806 ioc->name); 2807 goto out; 2808 } 2809 ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, 2810 &ioc->sense_dma); 2811 if (!ioc->sense) { 2812 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", 2813 ioc->name); 2814 goto out; 2815 } 2816 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT 2817 "sense pool(0x%p): depth(%d), element_size(%d), pool_size" 2818 "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, 2819 SCSI_SENSE_BUFFERSIZE, sz/1024)); 2820 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", 2821 ioc->name, (unsigned long long)ioc->sense_dma)); 2822 total_sz += sz; 2823 2824 /* reply pool, 4 byte align */ 2825 sz = ioc->reply_free_queue_depth * ioc->reply_sz; 2826 ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, 2827 0); 2828 if (!ioc->reply_dma_pool) { 2829 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", 2830 ioc->name); 2831 goto out; 2832 } 2833 ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, 2834 &ioc->reply_dma); 2835 if (!ioc->reply) { 2836 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", 2837 ioc->name); 2838 goto out; 2839 } 2840 ioc->reply_dma_min_address = (u32)(ioc->reply_dma); 2841 ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; 2842 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" 2843 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, 2844 ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); 2845 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", 2846 ioc->name, (unsigned long long)ioc->reply_dma)); 2847 total_sz += sz; 2848 2849 /* reply free queue, 16 byte align */ 2850 sz = ioc->reply_free_queue_depth * 4; 2851 ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", 2852 ioc->pdev, sz, 16, 0); 2853 if (!ioc->reply_free_dma_pool) { 2854 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " 2855 "failed\n", ioc->name); 2856 goto out; 2857 } 2858 ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, 2859 &ioc->reply_free_dma); 2860 if (!ioc->reply_free) { 2861 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " 2862 "failed\n", ioc->name); 2863 goto out; 2864 } 2865 memset(ioc->reply_free, 0, sz); 2866 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " 2867 "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, 2868 ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); 2869 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" 2870 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); 2871 total_sz += sz; 2872 2873 ioc->config_page_sz = 512; 2874 ioc->config_page = pci_alloc_consistent(ioc->pdev, 2875 ioc->config_page_sz, &ioc->config_page_dma); 2876 if (!ioc->config_page) { 2877 printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " 2878 "failed\n", ioc->name); 2879 goto out; 2880 } 2881 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" 2882 "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); 2883 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" 2884 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); 2885 total_sz += ioc->config_page_sz; 2886 2887 printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", 2888 ioc->name, total_sz/1024); 2889 printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " 2890 "Max Controller Queue Depth(%d)\n", 2891 ioc->name, ioc->shost->can_queue, facts->RequestCredit); 2892 printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", 2893 ioc->name, ioc->shost->sg_tablesize); 2894 return 0; 2895 2896 out: 2897 return -ENOMEM; 2898} 2899 2900 2901/** 2902 * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. 2903 * @ioc: Pointer to MPT_ADAPTER structure 2904 * @cooked: Request raw or cooked IOC state 2905 * 2906 * Returns all IOC Doorbell register bits if cooked==0, else just the 2907 * Doorbell bits in MPI_IOC_STATE_MASK. 2908 */ 2909u32 2910mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) 2911{ 2912 u32 s, sc; 2913 2914 s = readl(&ioc->chip->Doorbell); 2915 sc = s & MPI2_IOC_STATE_MASK; 2916 return cooked ? sc : s; 2917} 2918 2919/** 2920 * _base_wait_on_iocstate - waiting on a particular ioc state 2921 * @ioc_state: controller state { READY, OPERATIONAL, or RESET } 2922 * @timeout: timeout in second 2923 * @sleep_flag: CAN_SLEEP or NO_SLEEP 2924 * 2925 * Returns 0 for success, non-zero for failure. 2926 */ 2927static int 2928_base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, 2929 int sleep_flag) 2930{ 2931 u32 count, cntdn; 2932 u32 current_state; 2933 2934 count = 0; 2935 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; 2936 do { 2937 current_state = mpt2sas_base_get_iocstate(ioc, 1); 2938 if (current_state == ioc_state) 2939 return 0; 2940 if (count && current_state == MPI2_IOC_STATE_FAULT) 2941 break; 2942 if (sleep_flag == CAN_SLEEP) 2943 msleep(1); 2944 else 2945 udelay(500); 2946 count++; 2947 } while (--cntdn); 2948 2949 return current_state; 2950} 2951 2952/** 2953 * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by 2954 * a write to the doorbell) 2955 * @ioc: per adapter object 2956 * @timeout: timeout in second 2957 * @sleep_flag: CAN_SLEEP or NO_SLEEP 2958 * 2959 * Returns 0 for success, non-zero for failure. 2960 * 2961 * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. 2962 */ 2963static int 2964_base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, 2965 int sleep_flag) 2966{ 2967 u32 cntdn, count; 2968 u32 int_status; 2969 2970 count = 0; 2971 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; 2972 do { 2973 int_status = readl(&ioc->chip->HostInterruptStatus); 2974 if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { 2975 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " 2976 "successful count(%d), timeout(%d)\n", ioc->name, 2977 __func__, count, timeout)); 2978 return 0; 2979 } 2980 if (sleep_flag == CAN_SLEEP) 2981 msleep(1); 2982 else 2983 udelay(500); 2984 count++; 2985 } while (--cntdn); 2986 2987 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " 2988 "int_status(%x)!\n", ioc->name, __func__, count, int_status); 2989 return -EFAULT; 2990} 2991 2992/** 2993 * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. 2994 * @ioc: per adapter object 2995 * @timeout: timeout in second 2996 * @sleep_flag: CAN_SLEEP or NO_SLEEP 2997 * 2998 * Returns 0 for success, non-zero for failure. 2999 * 3000 * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to 3001 * doorbell. 3002 */ 3003static int 3004_base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, 3005 int sleep_flag) 3006{ 3007 u32 cntdn, count; 3008 u32 int_status; 3009 u32 doorbell; 3010 3011 count = 0; 3012 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; 3013 do { 3014 int_status = readl(&ioc->chip->HostInterruptStatus); 3015 if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { 3016 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " 3017 "successful count(%d), timeout(%d)\n", ioc->name, 3018 __func__, count, timeout)); 3019 return 0; 3020 } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { 3021 doorbell = readl(&ioc->chip->Doorbell); 3022 if ((doorbell & MPI2_IOC_STATE_MASK) == 3023 MPI2_IOC_STATE_FAULT) { 3024 mpt2sas_base_fault_info(ioc , doorbell); 3025 return -EFAULT; 3026 } 3027 } else if (int_status == 0xFFFFFFFF) 3028 goto out; 3029 3030 if (sleep_flag == CAN_SLEEP) 3031 msleep(1); 3032 else 3033 udelay(500); 3034 count++; 3035 } while (--cntdn); 3036 3037 out: 3038 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " 3039 "int_status(%x)!\n", ioc->name, __func__, count, int_status); 3040 return -EFAULT; 3041} 3042 3043/** 3044 * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use 3045 * @ioc: per adapter object 3046 * @timeout: timeout in second 3047 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3048 * 3049 * Returns 0 for success, non-zero for failure. 3050 * 3051 */ 3052static int 3053_base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, 3054 int sleep_flag) 3055{ 3056 u32 cntdn, count; 3057 u32 doorbell_reg; 3058 3059 count = 0; 3060 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; 3061 do { 3062 doorbell_reg = readl(&ioc->chip->Doorbell); 3063 if (!(doorbell_reg & MPI2_DOORBELL_USED)) { 3064 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " 3065 "successful count(%d), timeout(%d)\n", ioc->name, 3066 __func__, count, timeout)); 3067 return 0; 3068 } 3069 if (sleep_flag == CAN_SLEEP) 3070 msleep(1); 3071 else 3072 udelay(500); 3073 count++; 3074 } while (--cntdn); 3075 3076 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " 3077 "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); 3078 return -EFAULT; 3079} 3080 3081/** 3082 * _base_send_ioc_reset - send doorbell reset 3083 * @ioc: per adapter object 3084 * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET 3085 * @timeout: timeout in second 3086 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3087 * 3088 * Returns 0 for success, non-zero for failure. 3089 */ 3090static int 3091_base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, 3092 int sleep_flag) 3093{ 3094 u32 ioc_state; 3095 int r = 0; 3096 3097 if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { 3098 printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", 3099 ioc->name, __func__); 3100 return -EFAULT; 3101 } 3102 3103 if (!(ioc->facts.IOCCapabilities & 3104 MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) 3105 return -EFAULT; 3106 3107 printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); 3108 3109 writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, 3110 &ioc->chip->Doorbell); 3111 if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { 3112 r = -EFAULT; 3113 goto out; 3114 } 3115 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 3116 timeout, sleep_flag); 3117 if (ioc_state) { 3118 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " 3119 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); 3120 r = -EFAULT; 3121 goto out; 3122 } 3123 out: 3124 printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", 3125 ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); 3126 return r; 3127} 3128 3129/** 3130 * _base_handshake_req_reply_wait - send request thru doorbell interface 3131 * @ioc: per adapter object 3132 * @request_bytes: request length 3133 * @request: pointer having request payload 3134 * @reply_bytes: reply length 3135 * @reply: pointer to reply payload 3136 * @timeout: timeout in second 3137 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3138 * 3139 * Returns 0 for success, non-zero for failure. 3140 */ 3141static int 3142_base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, 3143 u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) 3144{ 3145 MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; 3146 int i; 3147 u8 failed; 3148 u16 dummy; 3149 __le32 *mfp; 3150 3151 /* make sure doorbell is not in use */ 3152 if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { 3153 printk(MPT2SAS_ERR_FMT "doorbell is in use " 3154 " (line=%d)\n", ioc->name, __LINE__); 3155 return -EFAULT; 3156 } 3157 3158 /* clear pending doorbell interrupts from previous state changes */ 3159 if (readl(&ioc->chip->HostInterruptStatus) & 3160 MPI2_HIS_IOC2SYS_DB_STATUS) 3161 writel(0, &ioc->chip->HostInterruptStatus); 3162 3163 /* send message to ioc */ 3164 writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | 3165 ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), 3166 &ioc->chip->Doorbell); 3167 3168 if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { 3169 printk(MPT2SAS_ERR_FMT "doorbell handshake " 3170 "int failed (line=%d)\n", ioc->name, __LINE__); 3171 return -EFAULT; 3172 } 3173 writel(0, &ioc->chip->HostInterruptStatus); 3174 3175 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { 3176 printk(MPT2SAS_ERR_FMT "doorbell handshake " 3177 "ack failed (line=%d)\n", ioc->name, __LINE__); 3178 return -EFAULT; 3179 } 3180 3181 /* send message 32-bits at a time */ 3182 for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { 3183 writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); 3184 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) 3185 failed = 1; 3186 } 3187 3188 if (failed) { 3189 printk(MPT2SAS_ERR_FMT "doorbell handshake " 3190 "sending request failed (line=%d)\n", ioc->name, __LINE__); 3191 return -EFAULT; 3192 } 3193 3194 /* now wait for the reply */ 3195 if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { 3196 printk(MPT2SAS_ERR_FMT "doorbell handshake " 3197 "int failed (line=%d)\n", ioc->name, __LINE__); 3198 return -EFAULT; 3199 } 3200 3201 /* read the first two 16-bits, it gives the total length of the reply */ 3202 reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) 3203 & MPI2_DOORBELL_DATA_MASK); 3204 writel(0, &ioc->chip->HostInterruptStatus); 3205 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { 3206 printk(MPT2SAS_ERR_FMT "doorbell handshake " 3207 "int failed (line=%d)\n", ioc->name, __LINE__); 3208 return -EFAULT; 3209 } 3210 reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) 3211 & MPI2_DOORBELL_DATA_MASK); 3212 writel(0, &ioc->chip->HostInterruptStatus); 3213 3214 for (i = 2; i < default_reply->MsgLength * 2; i++) { 3215 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { 3216 printk(MPT2SAS_ERR_FMT "doorbell " 3217 "handshake int failed (line=%d)\n", ioc->name, 3218 __LINE__); 3219 return -EFAULT; 3220 } 3221 if (i >= reply_bytes/2) /* overflow case */ 3222 dummy = readl(&ioc->chip->Doorbell); 3223 else 3224 reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) 3225 & MPI2_DOORBELL_DATA_MASK); 3226 writel(0, &ioc->chip->HostInterruptStatus); 3227 } 3228 3229 _base_wait_for_doorbell_int(ioc, 5, sleep_flag); 3230 if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { 3231 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " 3232 " (line=%d)\n", ioc->name, __LINE__)); 3233 } 3234 writel(0, &ioc->chip->HostInterruptStatus); 3235 3236 if (ioc->logging_level & MPT_DEBUG_INIT) { 3237 mfp = (__le32 *)reply; 3238 printk(KERN_INFO "\toffset:data\n"); 3239 for (i = 0; i < reply_bytes/4; i++) 3240 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, 3241 le32_to_cpu(mfp[i])); 3242 } 3243 return 0; 3244} 3245 3246/** 3247 * mpt2sas_base_sas_iounit_control - send sas iounit control to FW 3248 * @ioc: per adapter object 3249 * @mpi_reply: the reply payload from FW 3250 * @mpi_request: the request payload sent to FW 3251 * 3252 * The SAS IO Unit Control Request message allows the host to perform low-level 3253 * operations, such as resets on the PHYs of the IO Unit, also allows the host 3254 * to obtain the IOC assigned device handles for a device if it has other 3255 * identifying information about the device, in addition allows the host to 3256 * remove IOC resources associated with the device. 3257 * 3258 * Returns 0 for success, non-zero for failure. 3259 */ 3260int 3261mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, 3262 Mpi2SasIoUnitControlReply_t *mpi_reply, 3263 Mpi2SasIoUnitControlRequest_t *mpi_request) 3264{ 3265 u16 smid; 3266 u32 ioc_state; 3267 unsigned long timeleft; 3268 bool issue_reset = false; 3269 int rc; 3270 void *request; 3271 u16 wait_state_count; 3272 3273 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 3274 __func__)); 3275 3276 mutex_lock(&ioc->base_cmds.mutex); 3277 3278 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { 3279 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", 3280 ioc->name, __func__); 3281 rc = -EAGAIN; 3282 goto out; 3283 } 3284 3285 wait_state_count = 0; 3286 ioc_state = mpt2sas_base_get_iocstate(ioc, 1); 3287 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { 3288 if (wait_state_count++ == 10) { 3289 printk(MPT2SAS_ERR_FMT 3290 "%s: failed due to ioc not operational\n", 3291 ioc->name, __func__); 3292 rc = -EFAULT; 3293 goto out; 3294 } 3295 ssleep(1); 3296 ioc_state = mpt2sas_base_get_iocstate(ioc, 1); 3297 printk(MPT2SAS_INFO_FMT "%s: waiting for " 3298 "operational state(count=%d)\n", ioc->name, 3299 __func__, wait_state_count); 3300 } 3301 3302 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); 3303 if (!smid) { 3304 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", 3305 ioc->name, __func__); 3306 rc = -EAGAIN; 3307 goto out; 3308 } 3309 3310 rc = 0; 3311 ioc->base_cmds.status = MPT2_CMD_PENDING; 3312 request = mpt2sas_base_get_msg_frame(ioc, smid); 3313 ioc->base_cmds.smid = smid; 3314 memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); 3315 if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || 3316 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) 3317 ioc->ioc_link_reset_in_progress = 1; 3318 init_completion(&ioc->base_cmds.done); 3319 mpt2sas_base_put_smid_default(ioc, smid); 3320 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 3321 msecs_to_jiffies(10000)); 3322 if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || 3323 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && 3324 ioc->ioc_link_reset_in_progress) 3325 ioc->ioc_link_reset_in_progress = 0; 3326 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { 3327 printk(MPT2SAS_ERR_FMT "%s: timeout\n", 3328 ioc->name, __func__); 3329 _debug_dump_mf(mpi_request, 3330 sizeof(Mpi2SasIoUnitControlRequest_t)/4); 3331 if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) 3332 issue_reset = true; 3333 goto issue_host_reset; 3334 } 3335 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) 3336 memcpy(mpi_reply, ioc->base_cmds.reply, 3337 sizeof(Mpi2SasIoUnitControlReply_t)); 3338 else 3339 memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); 3340 ioc->base_cmds.status = MPT2_CMD_NOT_USED; 3341 goto out; 3342 3343 issue_host_reset: 3344 if (issue_reset) 3345 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, 3346 FORCE_BIG_HAMMER); 3347 ioc->base_cmds.status = MPT2_CMD_NOT_USED; 3348 rc = -EFAULT; 3349 out: 3350 mutex_unlock(&ioc->base_cmds.mutex); 3351 return rc; 3352} 3353 3354 3355/** 3356 * mpt2sas_base_scsi_enclosure_processor - sending request to sep device 3357 * @ioc: per adapter object 3358 * @mpi_reply: the reply payload from FW 3359 * @mpi_request: the request payload sent to FW 3360 * 3361 * The SCSI Enclosure Processor request message causes the IOC to 3362 * communicate with SES devices to control LED status signals. 3363 * 3364 * Returns 0 for success, non-zero for failure. 3365 */ 3366int 3367mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, 3368 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) 3369{ 3370 u16 smid; 3371 u32 ioc_state; 3372 unsigned long timeleft; 3373 bool issue_reset = false; 3374 int rc; 3375 void *request; 3376 u16 wait_state_count; 3377 3378 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 3379 __func__)); 3380 3381 mutex_lock(&ioc->base_cmds.mutex); 3382 3383 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { 3384 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", 3385 ioc->name, __func__); 3386 rc = -EAGAIN; 3387 goto out; 3388 } 3389 3390 wait_state_count = 0; 3391 ioc_state = mpt2sas_base_get_iocstate(ioc, 1); 3392 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { 3393 if (wait_state_count++ == 10) { 3394 printk(MPT2SAS_ERR_FMT 3395 "%s: failed due to ioc not operational\n", 3396 ioc->name, __func__); 3397 rc = -EFAULT; 3398 goto out; 3399 } 3400 ssleep(1); 3401 ioc_state = mpt2sas_base_get_iocstate(ioc, 1); 3402 printk(MPT2SAS_INFO_FMT "%s: waiting for " 3403 "operational state(count=%d)\n", ioc->name, 3404 __func__, wait_state_count); 3405 } 3406 3407 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); 3408 if (!smid) { 3409 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", 3410 ioc->name, __func__); 3411 rc = -EAGAIN; 3412 goto out; 3413 } 3414 3415 rc = 0; 3416 ioc->base_cmds.status = MPT2_CMD_PENDING; 3417 request = mpt2sas_base_get_msg_frame(ioc, smid); 3418 ioc->base_cmds.smid = smid; 3419 memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); 3420 init_completion(&ioc->base_cmds.done); 3421 mpt2sas_base_put_smid_default(ioc, smid); 3422 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 3423 msecs_to_jiffies(10000)); 3424 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { 3425 printk(MPT2SAS_ERR_FMT "%s: timeout\n", 3426 ioc->name, __func__); 3427 _debug_dump_mf(mpi_request, 3428 sizeof(Mpi2SepRequest_t)/4); 3429 if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) 3430 issue_reset = true; 3431 goto issue_host_reset; 3432 } 3433 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) 3434 memcpy(mpi_reply, ioc->base_cmds.reply, 3435 sizeof(Mpi2SepReply_t)); 3436 else 3437 memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); 3438 ioc->base_cmds.status = MPT2_CMD_NOT_USED; 3439 goto out; 3440 3441 issue_host_reset: 3442 if (issue_reset) 3443 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, 3444 FORCE_BIG_HAMMER); 3445 ioc->base_cmds.status = MPT2_CMD_NOT_USED; 3446 rc = -EFAULT; 3447 out: 3448 mutex_unlock(&ioc->base_cmds.mutex); 3449 return rc; 3450} 3451 3452/** 3453 * _base_get_port_facts - obtain port facts reply and save in ioc 3454 * @ioc: per adapter object 3455 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3456 * 3457 * Returns 0 for success, non-zero for failure. 3458 */ 3459static int 3460_base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) 3461{ 3462 Mpi2PortFactsRequest_t mpi_request; 3463 Mpi2PortFactsReply_t mpi_reply; 3464 struct mpt2sas_port_facts *pfacts; 3465 int mpi_reply_sz, mpi_request_sz, r; 3466 3467 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 3468 __func__)); 3469 3470 mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); 3471 mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); 3472 memset(&mpi_request, 0, mpi_request_sz); 3473 mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; 3474 mpi_request.PortNumber = port; 3475 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, 3476 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); 3477 3478 if (r != 0) { 3479 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", 3480 ioc->name, __func__, r); 3481 return r; 3482 } 3483 3484 pfacts = &ioc->pfacts[port]; 3485 memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); 3486 pfacts->PortNumber = mpi_reply.PortNumber; 3487 pfacts->VP_ID = mpi_reply.VP_ID; 3488 pfacts->VF_ID = mpi_reply.VF_ID; 3489 pfacts->MaxPostedCmdBuffers = 3490 le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); 3491 3492 return 0; 3493} 3494 3495/** 3496 * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL 3497 * @ioc: per adapter object 3498 * @timeout: 3499 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3500 * 3501 * Returns 0 for success, non-zero for failure. 3502 */ 3503static int 3504_base_wait_for_iocstate(struct MPT2SAS_ADAPTER *ioc, int timeout, 3505 int sleep_flag) 3506{ 3507 u32 ioc_state, doorbell; 3508 int rc; 3509 3510 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 3511 __func__)); 3512 3513 if (ioc->pci_error_recovery) 3514 return 0; 3515 3516 doorbell = mpt2sas_base_get_iocstate(ioc, 0); 3517 ioc_state = doorbell & MPI2_IOC_STATE_MASK; 3518 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", 3519 ioc->name, __func__, ioc_state)); 3520 3521 switch (ioc_state) { 3522 case MPI2_IOC_STATE_READY: 3523 case MPI2_IOC_STATE_OPERATIONAL: 3524 return 0; 3525 } 3526 3527 if (doorbell & MPI2_DOORBELL_USED) { 3528 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT 3529 "unexpected doorbell activ!e\n", ioc->name)); 3530 goto issue_diag_reset; 3531 } 3532 3533 if (ioc_state == MPI2_IOC_STATE_FAULT) { 3534 mpt2sas_base_fault_info(ioc, doorbell & 3535 MPI2_DOORBELL_DATA_MASK); 3536 goto issue_diag_reset; 3537 } 3538 3539 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 3540 timeout, sleep_flag); 3541 if (ioc_state) { 3542 printk(MPT2SAS_ERR_FMT 3543 "%s: failed going to ready state (ioc_state=0x%x)\n", 3544 ioc->name, __func__, ioc_state); 3545 return -EFAULT; 3546 } 3547 3548 issue_diag_reset: 3549 rc = _base_diag_reset(ioc, sleep_flag); 3550 return rc; 3551} 3552 3553/** 3554 * _base_get_ioc_facts - obtain ioc facts reply and save in ioc 3555 * @ioc: per adapter object 3556 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3557 * 3558 * Returns 0 for success, non-zero for failure. 3559 */ 3560static int 3561_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 3562{ 3563 Mpi2IOCFactsRequest_t mpi_request; 3564 Mpi2IOCFactsReply_t mpi_reply; 3565 struct mpt2sas_facts *facts; 3566 int mpi_reply_sz, mpi_request_sz, r; 3567 3568 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 3569 __func__)); 3570 3571 r = _base_wait_for_iocstate(ioc, 10, sleep_flag); 3572 if (r) { 3573 printk(MPT2SAS_ERR_FMT "%s: failed getting to correct state\n", 3574 ioc->name, __func__); 3575 return r; 3576 } 3577 3578 mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); 3579 mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); 3580 memset(&mpi_request, 0, mpi_request_sz); 3581 mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; 3582 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, 3583 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); 3584 3585 if (r != 0) { 3586 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", 3587 ioc->name, __func__, r); 3588 return r; 3589 } 3590 3591 facts = &ioc->facts; 3592 memset(facts, 0, sizeof(struct mpt2sas_facts)); 3593 facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); 3594 facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); 3595 facts->VP_ID = mpi_reply.VP_ID; 3596 facts->VF_ID = mpi_reply.VF_ID; 3597 facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); 3598 facts->MaxChainDepth = mpi_reply.MaxChainDepth; 3599 facts->WhoInit = mpi_reply.WhoInit; 3600 facts->NumberOfPorts = mpi_reply.NumberOfPorts; 3601 facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; 3602 facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); 3603 facts->MaxReplyDescriptorPostQueueDepth = 3604 le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); 3605 facts->ProductID = le16_to_cpu(mpi_reply.ProductID); 3606 facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); 3607 if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) 3608 ioc->ir_firmware = 1; 3609 if ((facts->IOCCapabilities & 3610 MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE)) 3611 ioc->rdpq_array_capable = 1; 3612 facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); 3613 facts->IOCRequestFrameSize = 3614 le16_to_cpu(mpi_reply.IOCRequestFrameSize); 3615 facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); 3616 facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); 3617 ioc->shost->max_id = -1; 3618 facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); 3619 facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); 3620 facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); 3621 facts->HighPriorityCredit = 3622 le16_to_cpu(mpi_reply.HighPriorityCredit); 3623 facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; 3624 facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); 3625 3626 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " 3627 "max chains per io(%d)\n", ioc->name, facts->RequestCredit, 3628 facts->MaxChainDepth)); 3629 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " 3630 "reply frame size(%d)\n", ioc->name, 3631 facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); 3632 return 0; 3633} 3634 3635/** 3636 * _base_send_ioc_init - send ioc_init to firmware 3637 * @ioc: per adapter object 3638 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3639 * 3640 * Returns 0 for success, non-zero for failure. 3641 */ 3642static int 3643_base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 3644{ 3645 Mpi2IOCInitRequest_t mpi_request; 3646 Mpi2IOCInitReply_t mpi_reply; 3647 int i, r = 0; 3648 struct timeval current_time; 3649 u16 ioc_status; 3650 u32 reply_post_free_array_sz = 0; 3651 Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL; 3652 dma_addr_t reply_post_free_array_dma; 3653 3654 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 3655 __func__)); 3656 3657 memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); 3658 mpi_request.Function = MPI2_FUNCTION_IOC_INIT; 3659 mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; 3660 mpi_request.VF_ID = 0; /* TODO */ 3661 mpi_request.VP_ID = 0; 3662 mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); 3663 mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); 3664 3665 if (_base_is_controller_msix_enabled(ioc)) 3666 mpi_request.HostMSIxVectors = ioc->reply_queue_count; 3667 mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); 3668 mpi_request.ReplyDescriptorPostQueueDepth = 3669 cpu_to_le16(ioc->reply_post_queue_depth); 3670 mpi_request.ReplyFreeQueueDepth = 3671 cpu_to_le16(ioc->reply_free_queue_depth); 3672 3673 mpi_request.SenseBufferAddressHigh = 3674 cpu_to_le32((u64)ioc->sense_dma >> 32); 3675 mpi_request.SystemReplyAddressHigh = 3676 cpu_to_le32((u64)ioc->reply_dma >> 32); 3677 mpi_request.SystemRequestFrameBaseAddress = 3678 cpu_to_le64((u64)ioc->request_dma); 3679 mpi_request.ReplyFreeQueueAddress = 3680 cpu_to_le64((u64)ioc->reply_free_dma); 3681 3682 if (ioc->rdpq_array_enable) { 3683 reply_post_free_array_sz = ioc->reply_queue_count * 3684 sizeof(Mpi2IOCInitRDPQArrayEntry); 3685 reply_post_free_array = pci_alloc_consistent(ioc->pdev, 3686 reply_post_free_array_sz, &reply_post_free_array_dma); 3687 if (!reply_post_free_array) { 3688 printk(MPT2SAS_ERR_FMT 3689 "reply_post_free_array: pci_alloc_consistent failed\n", 3690 ioc->name); 3691 r = -ENOMEM; 3692 goto out; 3693 } 3694 memset(reply_post_free_array, 0, reply_post_free_array_sz); 3695 for (i = 0; i < ioc->reply_queue_count; i++) 3696 reply_post_free_array[i].RDPQBaseAddress = 3697 cpu_to_le64( 3698 (u64)ioc->reply_post[i].reply_post_free_dma); 3699 mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE; 3700 mpi_request.ReplyDescriptorPostQueueAddress = 3701 cpu_to_le64((u64)reply_post_free_array_dma); 3702 } else { 3703 mpi_request.ReplyDescriptorPostQueueAddress = 3704 cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma); 3705 } 3706 3707 /* This time stamp specifies number of milliseconds 3708 * since epoch ~ midnight January 1, 1970. 3709 */ 3710 do_gettimeofday(¤t_time); 3711 mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + 3712 (current_time.tv_usec / 1000)); 3713 3714 if (ioc->logging_level & MPT_DEBUG_INIT) { 3715 __le32 *mfp; 3716 int i; 3717 3718 mfp = (__le32 *)&mpi_request; 3719 printk(KERN_INFO "\toffset:data\n"); 3720 for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) 3721 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, 3722 le32_to_cpu(mfp[i])); 3723 } 3724 3725 r = _base_handshake_req_reply_wait(ioc, 3726 sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, 3727 sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, 3728 sleep_flag); 3729 3730 if (r != 0) { 3731 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", 3732 ioc->name, __func__, r); 3733 goto out; 3734 } 3735 3736 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; 3737 if (ioc_status != MPI2_IOCSTATUS_SUCCESS || 3738 mpi_reply.IOCLogInfo) { 3739 printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); 3740 r = -EIO; 3741 } 3742 3743out: 3744 if (reply_post_free_array) 3745 pci_free_consistent(ioc->pdev, reply_post_free_array_sz, 3746 reply_post_free_array, 3747 reply_post_free_array_dma); 3748 return r; 3749} 3750 3751/** 3752 * mpt2sas_port_enable_done - command completion routine for port enable 3753 * @ioc: per adapter object 3754 * @smid: system request message index 3755 * @msix_index: MSIX table index supplied by the OS 3756 * @reply: reply message frame(lower 32bit addr) 3757 * 3758 * Return 1 meaning mf should be freed from _base_interrupt 3759 * 0 means the mf is freed from this function. 3760 */ 3761u8 3762mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 3763 u32 reply) 3764{ 3765 MPI2DefaultReply_t *mpi_reply; 3766 u16 ioc_status; 3767 3768 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); 3769 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) 3770 return 1; 3771 3772 if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) 3773 return 1; 3774 3775 ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; 3776 if (mpi_reply) { 3777 ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; 3778 memcpy(ioc->port_enable_cmds.reply, mpi_reply, 3779 mpi_reply->MsgLength*4); 3780 } 3781 ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; 3782 3783 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; 3784 3785 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) 3786 ioc->port_enable_failed = 1; 3787 3788 if (ioc->is_driver_loading) { 3789 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { 3790 mpt2sas_port_enable_complete(ioc); 3791 return 1; 3792 } else { 3793 ioc->start_scan_failed = ioc_status; 3794 ioc->start_scan = 0; 3795 return 1; 3796 } 3797 } 3798 complete(&ioc->port_enable_cmds.done); 3799 return 1; 3800} 3801 3802 3803/** 3804 * _base_send_port_enable - send port_enable(discovery stuff) to firmware 3805 * @ioc: per adapter object 3806 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3807 * 3808 * Returns 0 for success, non-zero for failure. 3809 */ 3810static int 3811_base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 3812{ 3813 Mpi2PortEnableRequest_t *mpi_request; 3814 Mpi2PortEnableReply_t *mpi_reply; 3815 unsigned long timeleft; 3816 int r = 0; 3817 u16 smid; 3818 u16 ioc_status; 3819 3820 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); 3821 3822 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { 3823 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", 3824 ioc->name, __func__); 3825 return -EAGAIN; 3826 } 3827 3828 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); 3829 if (!smid) { 3830 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", 3831 ioc->name, __func__); 3832 return -EAGAIN; 3833 } 3834 3835 ioc->port_enable_cmds.status = MPT2_CMD_PENDING; 3836 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); 3837 ioc->port_enable_cmds.smid = smid; 3838 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); 3839 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; 3840 3841 init_completion(&ioc->port_enable_cmds.done); 3842 mpt2sas_base_put_smid_default(ioc, smid); 3843 timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, 3844 300*HZ); 3845 if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { 3846 printk(MPT2SAS_ERR_FMT "%s: timeout\n", 3847 ioc->name, __func__); 3848 _debug_dump_mf(mpi_request, 3849 sizeof(Mpi2PortEnableRequest_t)/4); 3850 if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) 3851 r = -EFAULT; 3852 else 3853 r = -ETIME; 3854 goto out; 3855 } 3856 mpi_reply = ioc->port_enable_cmds.reply; 3857 3858 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; 3859 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { 3860 printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", 3861 ioc->name, __func__, ioc_status); 3862 r = -EFAULT; 3863 goto out; 3864 } 3865 out: 3866 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; 3867 printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? 3868 "SUCCESS" : "FAILED")); 3869 return r; 3870} 3871 3872/** 3873 * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) 3874 * @ioc: per adapter object 3875 * 3876 * Returns 0 for success, non-zero for failure. 3877 */ 3878int 3879mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) 3880{ 3881 Mpi2PortEnableRequest_t *mpi_request; 3882 u16 smid; 3883 3884 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); 3885 3886 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { 3887 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", 3888 ioc->name, __func__); 3889 return -EAGAIN; 3890 } 3891 3892 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); 3893 if (!smid) { 3894 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", 3895 ioc->name, __func__); 3896 return -EAGAIN; 3897 } 3898 3899 ioc->port_enable_cmds.status = MPT2_CMD_PENDING; 3900 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); 3901 ioc->port_enable_cmds.smid = smid; 3902 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); 3903 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; 3904 3905 mpt2sas_base_put_smid_default(ioc, smid); 3906 return 0; 3907} 3908 3909/** 3910 * _base_determine_wait_on_discovery - desposition 3911 * @ioc: per adapter object 3912 * 3913 * Decide whether to wait on discovery to complete. Used to either 3914 * locate boot device, or report volumes ahead of physical devices. 3915 * 3916 * Returns 1 for wait, 0 for don't wait 3917 */ 3918static int 3919_base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) 3920{ 3921 /* We wait for discovery to complete if IR firmware is loaded. 3922 * The sas topology events arrive before PD events, so we need time to 3923 * turn on the bit in ioc->pd_handles to indicate PD 3924 * Also, it maybe required to report Volumes ahead of physical 3925 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. 3926 */ 3927 if (ioc->ir_firmware) 3928 return 1; 3929 3930 /* if no Bios, then we don't need to wait */ 3931 if (!ioc->bios_pg3.BiosVersion) 3932 return 0; 3933 3934 /* Bios is present, then we drop down here. 3935 * 3936 * If there any entries in the Bios Page 2, then we wait 3937 * for discovery to complete. 3938 */ 3939 3940 /* Current Boot Device */ 3941 if ((ioc->bios_pg2.CurrentBootDeviceForm & 3942 MPI2_BIOSPAGE2_FORM_MASK) == 3943 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && 3944 /* Request Boot Device */ 3945 (ioc->bios_pg2.ReqBootDeviceForm & 3946 MPI2_BIOSPAGE2_FORM_MASK) == 3947 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && 3948 /* Alternate Request Boot Device */ 3949 (ioc->bios_pg2.ReqAltBootDeviceForm & 3950 MPI2_BIOSPAGE2_FORM_MASK) == 3951 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) 3952 return 0; 3953 3954 return 1; 3955} 3956 3957 3958/** 3959 * _base_unmask_events - turn on notification for this event 3960 * @ioc: per adapter object 3961 * @event: firmware event 3962 * 3963 * The mask is stored in ioc->event_masks. 3964 */ 3965static void 3966_base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) 3967{ 3968 u32 desired_event; 3969 3970 if (event >= 128) 3971 return; 3972 3973 desired_event = (1 << (event % 32)); 3974 3975 if (event < 32) 3976 ioc->event_masks[0] &= ~desired_event; 3977 else if (event < 64) 3978 ioc->event_masks[1] &= ~desired_event; 3979 else if (event < 96) 3980 ioc->event_masks[2] &= ~desired_event; 3981 else if (event < 128) 3982 ioc->event_masks[3] &= ~desired_event; 3983} 3984 3985/** 3986 * _base_event_notification - send event notification 3987 * @ioc: per adapter object 3988 * @sleep_flag: CAN_SLEEP or NO_SLEEP 3989 * 3990 * Returns 0 for success, non-zero for failure. 3991 */ 3992static int 3993_base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 3994{ 3995 Mpi2EventNotificationRequest_t *mpi_request; 3996 unsigned long timeleft; 3997 u16 smid; 3998 int r = 0; 3999 int i; 4000 4001 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 4002 __func__)); 4003 4004 if (ioc->base_cmds.status & MPT2_CMD_PENDING) { 4005 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", 4006 ioc->name, __func__); 4007 return -EAGAIN; 4008 } 4009 4010 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); 4011 if (!smid) { 4012 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", 4013 ioc->name, __func__); 4014 return -EAGAIN; 4015 } 4016 ioc->base_cmds.status = MPT2_CMD_PENDING; 4017 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); 4018 ioc->base_cmds.smid = smid; 4019 memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); 4020 mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; 4021 mpi_request->VF_ID = 0; /* TODO */ 4022 mpi_request->VP_ID = 0; 4023 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) 4024 mpi_request->EventMasks[i] = 4025 cpu_to_le32(ioc->event_masks[i]); 4026 init_completion(&ioc->base_cmds.done); 4027 mpt2sas_base_put_smid_default(ioc, smid); 4028 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); 4029 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { 4030 printk(MPT2SAS_ERR_FMT "%s: timeout\n", 4031 ioc->name, __func__); 4032 _debug_dump_mf(mpi_request, 4033 sizeof(Mpi2EventNotificationRequest_t)/4); 4034 if (ioc->base_cmds.status & MPT2_CMD_RESET) 4035 r = -EFAULT; 4036 else 4037 r = -ETIME; 4038 } else 4039 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", 4040 ioc->name, __func__)); 4041 ioc->base_cmds.status = MPT2_CMD_NOT_USED; 4042 return r; 4043} 4044 4045/** 4046 * mpt2sas_base_validate_event_type - validating event types 4047 * @ioc: per adapter object 4048 * @event: firmware event 4049 * 4050 * This will turn on firmware event notification when application 4051 * ask for that event. We don't mask events that are already enabled. 4052 */ 4053void 4054mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) 4055{ 4056 int i, j; 4057 u32 event_mask, desired_event; 4058 u8 send_update_to_fw; 4059 4060 for (i = 0, send_update_to_fw = 0; i < 4061 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { 4062 event_mask = ~event_type[i]; 4063 desired_event = 1; 4064 for (j = 0; j < 32; j++) { 4065 if (!(event_mask & desired_event) && 4066 (ioc->event_masks[i] & desired_event)) { 4067 ioc->event_masks[i] &= ~desired_event; 4068 send_update_to_fw = 1; 4069 } 4070 desired_event = (desired_event << 1); 4071 } 4072 } 4073 4074 if (!send_update_to_fw) 4075 return; 4076 4077 mutex_lock(&ioc->base_cmds.mutex); 4078 _base_event_notification(ioc, CAN_SLEEP); 4079 mutex_unlock(&ioc->base_cmds.mutex); 4080} 4081 4082/** 4083 * _base_diag_reset - the "big hammer" start of day reset 4084 * @ioc: per adapter object 4085 * @sleep_flag: CAN_SLEEP or NO_SLEEP 4086 * 4087 * Returns 0 for success, non-zero for failure. 4088 */ 4089static int 4090_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 4091{ 4092 u32 host_diagnostic; 4093 u32 ioc_state; 4094 u32 count; 4095 u32 hcb_size; 4096 4097 printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); 4098 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", 4099 ioc->name)); 4100 4101 count = 0; 4102 do { 4103 /* Write magic sequence to WriteSequence register 4104 * Loop until in diagnostic mode 4105 */ 4106 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " 4107 "sequence\n", ioc->name)); 4108 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); 4109 writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); 4110 writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); 4111 writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); 4112 writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); 4113 writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); 4114 writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); 4115 4116 /* wait 100 msec */ 4117 if (sleep_flag == CAN_SLEEP) 4118 msleep(100); 4119 else 4120 mdelay(100); 4121 4122 if (count++ > 20) 4123 goto out; 4124 4125 host_diagnostic = readl(&ioc->chip->HostDiagnostic); 4126 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " 4127 "sequence: count(%d), host_diagnostic(0x%08x)\n", 4128 ioc->name, count, host_diagnostic)); 4129 4130 } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); 4131 4132 hcb_size = readl(&ioc->chip->HCBSize); 4133 4134 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", 4135 ioc->name)); 4136 writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, 4137 &ioc->chip->HostDiagnostic); 4138 4139 /* This delay allows the chip PCIe hardware time to finish reset tasks*/ 4140 if (sleep_flag == CAN_SLEEP) 4141 msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); 4142 else 4143 mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); 4144 4145 /* Approximately 300 second max wait */ 4146 for (count = 0; count < (300000000 / 4147 MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { 4148 4149 host_diagnostic = readl(&ioc->chip->HostDiagnostic); 4150 4151 if (host_diagnostic == 0xFFFFFFFF) 4152 goto out; 4153 if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) 4154 break; 4155 4156 /* Wait to pass the second read delay window */ 4157 if (sleep_flag == CAN_SLEEP) 4158 msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC 4159 /1000); 4160 else 4161 mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC 4162 /1000); 4163 } 4164 4165 if (host_diagnostic & MPI2_DIAG_HCB_MODE) { 4166 4167 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " 4168 "assuming the HCB Address points to good F/W\n", 4169 ioc->name)); 4170 host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; 4171 host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; 4172 writel(host_diagnostic, &ioc->chip->HostDiagnostic); 4173 4174 drsprintk(ioc, printk(MPT2SAS_INFO_FMT 4175 "re-enable the HCDW\n", ioc->name)); 4176 writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, 4177 &ioc->chip->HCBSize); 4178 } 4179 4180 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", 4181 ioc->name)); 4182 writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, 4183 &ioc->chip->HostDiagnostic); 4184 4185 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " 4186 "diagnostic register\n", ioc->name)); 4187 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); 4188 4189 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " 4190 "READY state\n", ioc->name)); 4191 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, 4192 sleep_flag); 4193 if (ioc_state) { 4194 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " 4195 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); 4196 goto out; 4197 } 4198 4199 printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); 4200 return 0; 4201 4202 out: 4203 printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); 4204 return -EFAULT; 4205} 4206 4207/** 4208 * _base_make_ioc_ready - put controller in READY state 4209 * @ioc: per adapter object 4210 * @sleep_flag: CAN_SLEEP or NO_SLEEP 4211 * @type: FORCE_BIG_HAMMER or SOFT_RESET 4212 * 4213 * Returns 0 for success, non-zero for failure. 4214 */ 4215static int 4216_base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, 4217 enum reset_type type) 4218{ 4219 u32 ioc_state; 4220 int rc; 4221 4222 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 4223 __func__)); 4224 4225 if (ioc->pci_error_recovery) 4226 return 0; 4227 4228 ioc_state = mpt2sas_base_get_iocstate(ioc, 0); 4229 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", 4230 ioc->name, __func__, ioc_state)); 4231 4232 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) 4233 return 0; 4234 4235 if (ioc_state & MPI2_DOORBELL_USED) { 4236 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " 4237 "active!\n", ioc->name)); 4238 goto issue_diag_reset; 4239 } 4240 4241 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { 4242 mpt2sas_base_fault_info(ioc, ioc_state & 4243 MPI2_DOORBELL_DATA_MASK); 4244 goto issue_diag_reset; 4245 } 4246 4247 if (type == FORCE_BIG_HAMMER) 4248 goto issue_diag_reset; 4249 4250 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) 4251 if (!(_base_send_ioc_reset(ioc, 4252 MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { 4253 ioc->ioc_reset_count++; 4254 return 0; 4255 } 4256 4257 issue_diag_reset: 4258 rc = _base_diag_reset(ioc, CAN_SLEEP); 4259 ioc->ioc_reset_count++; 4260 return rc; 4261} 4262 4263/** 4264 * _base_make_ioc_operational - put controller in OPERATIONAL state 4265 * @ioc: per adapter object 4266 * @sleep_flag: CAN_SLEEP or NO_SLEEP 4267 * 4268 * Returns 0 for success, non-zero for failure. 4269 */ 4270static int 4271_base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 4272{ 4273 int r, i; 4274 unsigned long flags; 4275 u32 reply_address; 4276 u16 smid; 4277 struct _tr_list *delayed_tr, *delayed_tr_next; 4278 u8 hide_flag; 4279 struct adapter_reply_queue *reply_q; 4280 long reply_post_free; 4281 u32 reply_post_free_sz, index = 0; 4282 4283 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 4284 __func__)); 4285 4286 /* clean the delayed target reset list */ 4287 list_for_each_entry_safe(delayed_tr, delayed_tr_next, 4288 &ioc->delayed_tr_list, list) { 4289 list_del(&delayed_tr->list); 4290 kfree(delayed_tr); 4291 } 4292 4293 list_for_each_entry_safe(delayed_tr, delayed_tr_next, 4294 &ioc->delayed_tr_volume_list, list) { 4295 list_del(&delayed_tr->list); 4296 kfree(delayed_tr); 4297 } 4298 4299 /* initialize the scsi lookup free list */ 4300 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 4301 INIT_LIST_HEAD(&ioc->free_list); 4302 smid = 1; 4303 for (i = 0; i < ioc->scsiio_depth; i++, smid++) { 4304 INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); 4305 ioc->scsi_lookup[i].cb_idx = 0xFF; 4306 ioc->scsi_lookup[i].smid = smid; 4307 ioc->scsi_lookup[i].scmd = NULL; 4308 ioc->scsi_lookup[i].direct_io = 0; 4309 list_add_tail(&ioc->scsi_lookup[i].tracker_list, 4310 &ioc->free_list); 4311 } 4312 4313 /* hi-priority queue */ 4314 INIT_LIST_HEAD(&ioc->hpr_free_list); 4315 smid = ioc->hi_priority_smid; 4316 for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { 4317 ioc->hpr_lookup[i].cb_idx = 0xFF; 4318 ioc->hpr_lookup[i].smid = smid; 4319 list_add_tail(&ioc->hpr_lookup[i].tracker_list, 4320 &ioc->hpr_free_list); 4321 } 4322 4323 /* internal queue */ 4324 INIT_LIST_HEAD(&ioc->internal_free_list); 4325 smid = ioc->internal_smid; 4326 for (i = 0; i < ioc->internal_depth; i++, smid++) { 4327 ioc->internal_lookup[i].cb_idx = 0xFF; 4328 ioc->internal_lookup[i].smid = smid; 4329 list_add_tail(&ioc->internal_lookup[i].tracker_list, 4330 &ioc->internal_free_list); 4331 } 4332 4333 /* chain pool */ 4334 INIT_LIST_HEAD(&ioc->free_chain_list); 4335 for (i = 0; i < ioc->chain_depth; i++) 4336 list_add_tail(&ioc->chain_lookup[i].tracker_list, 4337 &ioc->free_chain_list); 4338 4339 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 4340 4341 /* initialize Reply Free Queue */ 4342 for (i = 0, reply_address = (u32)ioc->reply_dma ; 4343 i < ioc->reply_free_queue_depth ; i++, reply_address += 4344 ioc->reply_sz) 4345 ioc->reply_free[i] = cpu_to_le32(reply_address); 4346 4347 /* initialize reply queues */ 4348 if (ioc->is_driver_loading) 4349 _base_assign_reply_queues(ioc); 4350 4351 /* initialize Reply Post Free Queue */ 4352 reply_post_free_sz = ioc->reply_post_queue_depth * 4353 sizeof(Mpi2DefaultReplyDescriptor_t); 4354 reply_post_free = (long)ioc->reply_post[index].reply_post_free; 4355 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { 4356 reply_q->reply_post_host_index = 0; 4357 reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) 4358 reply_post_free; 4359 for (i = 0; i < ioc->reply_post_queue_depth; i++) 4360 reply_q->reply_post_free[i].Words = 4361 cpu_to_le64(ULLONG_MAX); 4362 if (!_base_is_controller_msix_enabled(ioc)) 4363 goto skip_init_reply_post_free_queue; 4364 /* 4365 * If RDPQ is enabled, switch to the next allocation. 4366 * Otherwise advance within the contiguous region. 4367 */ 4368 if (ioc->rdpq_array_enable) 4369 reply_post_free = (long) 4370 ioc->reply_post[++index].reply_post_free; 4371 else 4372 reply_post_free += reply_post_free_sz; 4373 } 4374 skip_init_reply_post_free_queue: 4375 4376 r = _base_send_ioc_init(ioc, sleep_flag); 4377 if (r) 4378 return r; 4379 4380 /* initialize reply free host index */ 4381 ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; 4382 writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); 4383 4384 /* initialize reply post host index */ 4385 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { 4386 writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, 4387 &ioc->chip->ReplyPostHostIndex); 4388 if (!_base_is_controller_msix_enabled(ioc)) 4389 goto skip_init_reply_post_host_index; 4390 } 4391 4392 skip_init_reply_post_host_index: 4393 4394 _base_unmask_interrupts(ioc); 4395 4396 r = _base_event_notification(ioc, sleep_flag); 4397 if (r) 4398 return r; 4399 4400 if (sleep_flag == CAN_SLEEP) 4401 _base_static_config_pages(ioc); 4402 4403 4404 if (ioc->is_driver_loading) { 4405 if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier 4406 == 0x80) { 4407 hide_flag = (u8) ( 4408 le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & 4409 MFG_PAGE10_HIDE_SSDS_MASK); 4410 if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) 4411 ioc->mfg_pg10_hide_flag = hide_flag; 4412 } 4413 ioc->wait_for_discovery_to_complete = 4414 _base_determine_wait_on_discovery(ioc); 4415 return r; /* scan_start and scan_finished support */ 4416 } 4417 r = _base_send_port_enable(ioc, sleep_flag); 4418 if (r) 4419 return r; 4420 4421 return r; 4422} 4423 4424/** 4425 * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) 4426 * @ioc: per adapter object 4427 * 4428 * Return nothing. 4429 */ 4430void 4431mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) 4432{ 4433 struct pci_dev *pdev = ioc->pdev; 4434 4435 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 4436 __func__)); 4437 4438 if (ioc->chip_phys && ioc->chip) { 4439 _base_mask_interrupts(ioc); 4440 ioc->shost_recovery = 1; 4441 _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); 4442 ioc->shost_recovery = 0; 4443 } 4444 4445 _base_free_irq(ioc); 4446 _base_disable_msix(ioc); 4447 4448 if (ioc->chip_phys && ioc->chip) 4449 iounmap(ioc->chip); 4450 ioc->chip_phys = 0; 4451 4452 if (pci_is_enabled(pdev)) { 4453 pci_release_selected_regions(ioc->pdev, ioc->bars); 4454 pci_disable_pcie_error_reporting(pdev); 4455 pci_disable_device(pdev); 4456 } 4457 return; 4458} 4459 4460/** 4461 * mpt2sas_base_attach - attach controller instance 4462 * @ioc: per adapter object 4463 * 4464 * Returns 0 for success, non-zero for failure. 4465 */ 4466int 4467mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) 4468{ 4469 int r, i; 4470 int cpu_id, last_cpu_id = 0; 4471 4472 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 4473 __func__)); 4474 4475 /* setup cpu_msix_table */ 4476 ioc->cpu_count = num_online_cpus(); 4477 for_each_online_cpu(cpu_id) 4478 last_cpu_id = cpu_id; 4479 ioc->cpu_msix_table_sz = last_cpu_id + 1; 4480 ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); 4481 ioc->reply_queue_count = 1; 4482 if (!ioc->cpu_msix_table) { 4483 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " 4484 "cpu_msix_table failed!!!\n", ioc->name)); 4485 r = -ENOMEM; 4486 goto out_free_resources; 4487 } 4488 4489 if (ioc->is_warpdrive) { 4490 ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, 4491 sizeof(resource_size_t *), GFP_KERNEL); 4492 if (!ioc->reply_post_host_index) { 4493 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " 4494 "for cpu_msix_table failed!!!\n", ioc->name)); 4495 r = -ENOMEM; 4496 goto out_free_resources; 4497 } 4498 } 4499 4500 ioc->rdpq_array_enable_assigned = 0; 4501 ioc->dma_mask = 0; 4502 r = mpt2sas_base_map_resources(ioc); 4503 if (r) 4504 goto out_free_resources; 4505 4506 if (ioc->is_warpdrive) { 4507 ioc->reply_post_host_index[0] = (resource_size_t __iomem *) 4508 &ioc->chip->ReplyPostHostIndex; 4509 4510 for (i = 1; i < ioc->cpu_msix_table_sz; i++) 4511 ioc->reply_post_host_index[i] = 4512 (resource_size_t __iomem *) 4513 ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) 4514 * 4))); 4515 } 4516 4517 pci_set_drvdata(ioc->pdev, ioc->shost); 4518 r = _base_get_ioc_facts(ioc, CAN_SLEEP); 4519 if (r) 4520 goto out_free_resources; 4521 4522 r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); 4523 if (r) 4524 goto out_free_resources; 4525 4526 ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, 4527 sizeof(struct mpt2sas_port_facts), GFP_KERNEL); 4528 if (!ioc->pfacts) { 4529 r = -ENOMEM; 4530 goto out_free_resources; 4531 } 4532 4533 for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { 4534 r = _base_get_port_facts(ioc, i, CAN_SLEEP); 4535 if (r) 4536 goto out_free_resources; 4537 } 4538 4539 r = _base_allocate_memory_pools(ioc, CAN_SLEEP); 4540 if (r) 4541 goto out_free_resources; 4542 4543 init_waitqueue_head(&ioc->reset_wq); 4544 /* allocate memory pd handle bitmask list */ 4545 ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); 4546 if (ioc->facts.MaxDevHandle % 8) 4547 ioc->pd_handles_sz++; 4548 ioc->pd_handles = kzalloc(ioc->pd_handles_sz, 4549 GFP_KERNEL); 4550 if (!ioc->pd_handles) { 4551 r = -ENOMEM; 4552 goto out_free_resources; 4553 } 4554 ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, 4555 GFP_KERNEL); 4556 if (!ioc->blocking_handles) { 4557 r = -ENOMEM; 4558 goto out_free_resources; 4559 } 4560 ioc->fwfault_debug = mpt2sas_fwfault_debug; 4561 4562 /* base internal command bits */ 4563 mutex_init(&ioc->base_cmds.mutex); 4564 ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4565 ioc->base_cmds.status = MPT2_CMD_NOT_USED; 4566 4567 /* port_enable command bits */ 4568 ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4569 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; 4570 4571 /* transport internal command bits */ 4572 ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4573 ioc->transport_cmds.status = MPT2_CMD_NOT_USED; 4574 mutex_init(&ioc->transport_cmds.mutex); 4575 4576 /* scsih internal command bits */ 4577 ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4578 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; 4579 mutex_init(&ioc->scsih_cmds.mutex); 4580 4581 /* task management internal command bits */ 4582 ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4583 ioc->tm_cmds.status = MPT2_CMD_NOT_USED; 4584 mutex_init(&ioc->tm_cmds.mutex); 4585 4586 /* config page internal command bits */ 4587 ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4588 ioc->config_cmds.status = MPT2_CMD_NOT_USED; 4589 mutex_init(&ioc->config_cmds.mutex); 4590 4591 /* ctl module internal command bits */ 4592 ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); 4593 ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); 4594 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; 4595 mutex_init(&ioc->ctl_cmds.mutex); 4596 4597 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || 4598 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || 4599 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || 4600 !ioc->ctl_cmds.sense) { 4601 r = -ENOMEM; 4602 goto out_free_resources; 4603 } 4604 4605 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || 4606 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || 4607 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { 4608 r = -ENOMEM; 4609 goto out_free_resources; 4610 } 4611 4612 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) 4613 ioc->event_masks[i] = -1; 4614 4615 /* here we enable the events we care about */ 4616 _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); 4617 _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); 4618 _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); 4619 _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); 4620 _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); 4621 _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); 4622 _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); 4623 _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); 4624 _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); 4625 _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); 4626 _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD); 4627 r = _base_make_ioc_operational(ioc, CAN_SLEEP); 4628 if (r) 4629 goto out_free_resources; 4630 4631 ioc->non_operational_loop = 0; 4632 4633 return 0; 4634 4635 out_free_resources: 4636 4637 ioc->remove_host = 1; 4638 mpt2sas_base_free_resources(ioc); 4639 _base_release_memory_pools(ioc); 4640 pci_set_drvdata(ioc->pdev, NULL); 4641 kfree(ioc->cpu_msix_table); 4642 if (ioc->is_warpdrive) 4643 kfree(ioc->reply_post_host_index); 4644 kfree(ioc->pd_handles); 4645 kfree(ioc->blocking_handles); 4646 kfree(ioc->tm_cmds.reply); 4647 kfree(ioc->transport_cmds.reply); 4648 kfree(ioc->scsih_cmds.reply); 4649 kfree(ioc->config_cmds.reply); 4650 kfree(ioc->base_cmds.reply); 4651 kfree(ioc->port_enable_cmds.reply); 4652 kfree(ioc->ctl_cmds.reply); 4653 kfree(ioc->ctl_cmds.sense); 4654 kfree(ioc->pfacts); 4655 ioc->ctl_cmds.reply = NULL; 4656 ioc->base_cmds.reply = NULL; 4657 ioc->tm_cmds.reply = NULL; 4658 ioc->scsih_cmds.reply = NULL; 4659 ioc->transport_cmds.reply = NULL; 4660 ioc->config_cmds.reply = NULL; 4661 ioc->pfacts = NULL; 4662 return r; 4663} 4664 4665 4666/** 4667 * mpt2sas_base_detach - remove controller instance 4668 * @ioc: per adapter object 4669 * 4670 * Return nothing. 4671 */ 4672void 4673mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) 4674{ 4675 4676 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, 4677 __func__)); 4678 4679 mpt2sas_base_stop_watchdog(ioc); 4680 mpt2sas_base_free_resources(ioc); 4681 _base_release_memory_pools(ioc); 4682 pci_set_drvdata(ioc->pdev, NULL); 4683 kfree(ioc->cpu_msix_table); 4684 if (ioc->is_warpdrive) 4685 kfree(ioc->reply_post_host_index); 4686 kfree(ioc->pd_handles); 4687 kfree(ioc->blocking_handles); 4688 kfree(ioc->pfacts); 4689 kfree(ioc->ctl_cmds.reply); 4690 kfree(ioc->ctl_cmds.sense); 4691 kfree(ioc->base_cmds.reply); 4692 kfree(ioc->port_enable_cmds.reply); 4693 kfree(ioc->tm_cmds.reply); 4694 kfree(ioc->transport_cmds.reply); 4695 kfree(ioc->scsih_cmds.reply); 4696 kfree(ioc->config_cmds.reply); 4697} 4698 4699/** 4700 * _base_reset_handler - reset callback handler (for base) 4701 * @ioc: per adapter object 4702 * @reset_phase: phase 4703 * 4704 * The handler for doing any required cleanup or initialization. 4705 * 4706 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, 4707 * MPT2_IOC_DONE_RESET 4708 * 4709 * Return nothing. 4710 */ 4711static void 4712_base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) 4713{ 4714 mpt2sas_scsih_reset_handler(ioc, reset_phase); 4715 mpt2sas_ctl_reset_handler(ioc, reset_phase); 4716 switch (reset_phase) { 4717 case MPT2_IOC_PRE_RESET: 4718 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " 4719 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); 4720 break; 4721 case MPT2_IOC_AFTER_RESET: 4722 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " 4723 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); 4724 if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { 4725 ioc->transport_cmds.status |= MPT2_CMD_RESET; 4726 mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); 4727 complete(&ioc->transport_cmds.done); 4728 } 4729 if (ioc->base_cmds.status & MPT2_CMD_PENDING) { 4730 ioc->base_cmds.status |= MPT2_CMD_RESET; 4731 mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); 4732 complete(&ioc->base_cmds.done); 4733 } 4734 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { 4735 ioc->port_enable_failed = 1; 4736 ioc->port_enable_cmds.status |= MPT2_CMD_RESET; 4737 mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); 4738 if (ioc->is_driver_loading) { 4739 ioc->start_scan_failed = 4740 MPI2_IOCSTATUS_INTERNAL_ERROR; 4741 ioc->start_scan = 0; 4742 ioc->port_enable_cmds.status = 4743 MPT2_CMD_NOT_USED; 4744 } else 4745 complete(&ioc->port_enable_cmds.done); 4746 4747 } 4748 if (ioc->config_cmds.status & MPT2_CMD_PENDING) { 4749 ioc->config_cmds.status |= MPT2_CMD_RESET; 4750 mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); 4751 ioc->config_cmds.smid = USHRT_MAX; 4752 complete(&ioc->config_cmds.done); 4753 } 4754 break; 4755 case MPT2_IOC_DONE_RESET: 4756 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " 4757 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); 4758 break; 4759 } 4760} 4761 4762/** 4763 * _wait_for_commands_to_complete - reset controller 4764 * @ioc: Pointer to MPT_ADAPTER structure 4765 * @sleep_flag: CAN_SLEEP or NO_SLEEP 4766 * 4767 * This function waiting(3s) for all pending commands to complete 4768 * prior to putting controller in reset. 4769 */ 4770static void 4771_wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) 4772{ 4773 u32 ioc_state; 4774 unsigned long flags; 4775 u16 i; 4776 4777 ioc->pending_io_count = 0; 4778 if (sleep_flag != CAN_SLEEP) 4779 return; 4780 4781 ioc_state = mpt2sas_base_get_iocstate(ioc, 0); 4782 if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) 4783 return; 4784 4785 /* pending command count */ 4786 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 4787 for (i = 0; i < ioc->scsiio_depth; i++) 4788 if (ioc->scsi_lookup[i].cb_idx != 0xFF) 4789 ioc->pending_io_count++; 4790 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 4791 4792 if (!ioc->pending_io_count) 4793 return; 4794 4795 /* wait for pending commands to complete */ 4796 wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); 4797} 4798 4799/** 4800 * mpt2sas_base_hard_reset_handler - reset controller 4801 * @ioc: Pointer to MPT_ADAPTER structure 4802 * @sleep_flag: CAN_SLEEP or NO_SLEEP 4803 * @type: FORCE_BIG_HAMMER or SOFT_RESET 4804 * 4805 * Returns 0 for success, non-zero for failure. 4806 */ 4807int 4808mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, 4809 enum reset_type type) 4810{ 4811 int r; 4812 unsigned long flags; 4813 4814 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, 4815 __func__)); 4816 4817 if (ioc->pci_error_recovery) { 4818 printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", 4819 ioc->name, __func__); 4820 r = 0; 4821 goto out_unlocked; 4822 } 4823 4824 if (mpt2sas_fwfault_debug) 4825 mpt2sas_halt_firmware(ioc); 4826 4827 /* TODO - What we really should be doing is pulling 4828 * out all the code associated with NO_SLEEP; its never used. 4829 * That is legacy code from mpt fusion driver, ported over. 4830 * I will leave this BUG_ON here for now till its been resolved. 4831 */ 4832 BUG_ON(sleep_flag == NO_SLEEP); 4833 4834 /* wait for an active reset in progress to complete */ 4835 if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { 4836 do { 4837 ssleep(1); 4838 } while (ioc->shost_recovery == 1); 4839 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, 4840 __func__)); 4841 return ioc->ioc_reset_in_progress_status; 4842 } 4843 4844 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); 4845 ioc->shost_recovery = 1; 4846 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); 4847 4848 _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); 4849 _wait_for_commands_to_complete(ioc, sleep_flag); 4850 _base_mask_interrupts(ioc); 4851 r = _base_make_ioc_ready(ioc, sleep_flag, type); 4852 if (r) 4853 goto out; 4854 _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); 4855 4856 /* If this hard reset is called while port enable is active, then 4857 * there is no reason to call make_ioc_operational 4858 */ 4859 if (ioc->is_driver_loading && ioc->port_enable_failed) { 4860 ioc->remove_host = 1; 4861 r = -EFAULT; 4862 goto out; 4863 } 4864 4865 r = _base_get_ioc_facts(ioc, CAN_SLEEP); 4866 if (r) 4867 goto out; 4868 4869 if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable) 4870 panic("%s: Issue occurred with flashing controller firmware." 4871 "Please reboot the system and ensure that the correct" 4872 " firmware version is running\n", ioc->name); 4873 4874 r = _base_make_ioc_operational(ioc, sleep_flag); 4875 if (!r) 4876 _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); 4877 out: 4878 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", 4879 ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); 4880 4881 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); 4882 ioc->ioc_reset_in_progress_status = r; 4883 ioc->shost_recovery = 0; 4884 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); 4885 mutex_unlock(&ioc->reset_in_progress_mutex); 4886 4887 out_unlocked: 4888 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, 4889 __func__)); 4890 return r; 4891} 4892