aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/pmcraid.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/pmcraid.c')
-rw-r--r--drivers/scsi/pmcraid.c899
1 files changed, 667 insertions, 232 deletions
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 53aefffbaead..ecc45c8b4e6b 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -113,6 +113,7 @@ static struct pmcraid_chip_details pmcraid_chip_cfg[] = {
113 .global_intr_mask = 0x00034, 113 .global_intr_mask = 0x00034,
114 .ioa_host_intr = 0x0009C, 114 .ioa_host_intr = 0x0009C,
115 .ioa_host_intr_clr = 0x000A0, 115 .ioa_host_intr_clr = 0x000A0,
116 .ioa_host_msix_intr = 0x7FC40,
116 .ioa_host_mask = 0x7FC28, 117 .ioa_host_mask = 0x7FC28,
117 .ioa_host_mask_clr = 0x7FC28, 118 .ioa_host_mask_clr = 0x7FC28,
118 .host_ioa_intr = 0x00020, 119 .host_ioa_intr = 0x00020,
@@ -154,8 +155,12 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
154 u8 target, bus, lun; 155 u8 target, bus, lun;
155 unsigned long lock_flags; 156 unsigned long lock_flags;
156 int rc = -ENXIO; 157 int rc = -ENXIO;
158 u16 fw_version;
159
157 pinstance = shost_priv(scsi_dev->host); 160 pinstance = shost_priv(scsi_dev->host);
158 161
162 fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
163
159 /* Driver exposes VSET and GSCSI resources only; all other device types 164 /* Driver exposes VSET and GSCSI resources only; all other device types
160 * are not exposed. Resource list is synchronized using resource lock 165 * are not exposed. Resource list is synchronized using resource lock
161 * so any traversal or modifications to the list should be done inside 166 * so any traversal or modifications to the list should be done inside
@@ -166,7 +171,11 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
166 171
167 /* do not expose VSETs with order-ids > MAX_VSET_TARGETS */ 172 /* do not expose VSETs with order-ids > MAX_VSET_TARGETS */
168 if (RES_IS_VSET(temp->cfg_entry)) { 173 if (RES_IS_VSET(temp->cfg_entry)) {
169 target = temp->cfg_entry.unique_flags1; 174 if (fw_version <= PMCRAID_FW_VERSION_1)
175 target = temp->cfg_entry.unique_flags1;
176 else
177 target = temp->cfg_entry.array_id & 0xFF;
178
170 if (target > PMCRAID_MAX_VSET_TARGETS) 179 if (target > PMCRAID_MAX_VSET_TARGETS)
171 continue; 180 continue;
172 bus = PMCRAID_VSET_BUS_ID; 181 bus = PMCRAID_VSET_BUS_ID;
@@ -283,7 +292,7 @@ static void pmcraid_slave_destroy(struct scsi_device *scsi_dev)
283 * @reason: calling context 292 * @reason: calling context
284 * 293 *
285 * Return value 294 * Return value
286 * actual depth set 295 * actual depth set
287 */ 296 */
288static int pmcraid_change_queue_depth(struct scsi_device *scsi_dev, int depth, 297static int pmcraid_change_queue_depth(struct scsi_device *scsi_dev, int depth,
289 int reason) 298 int reason)
@@ -305,7 +314,7 @@ static int pmcraid_change_queue_depth(struct scsi_device *scsi_dev, int depth,
305 * @tag: type of tags to use 314 * @tag: type of tags to use
306 * 315 *
307 * Return value: 316 * Return value:
308 * actual queue type set 317 * actual queue type set
309 */ 318 */
310static int pmcraid_change_queue_type(struct scsi_device *scsi_dev, int tag) 319static int pmcraid_change_queue_type(struct scsi_device *scsi_dev, int tag)
311{ 320{
@@ -357,6 +366,7 @@ void pmcraid_init_cmdblk(struct pmcraid_cmd *cmd, int index)
357 * processed by IOA 366 * processed by IOA
358 */ 367 */
359 memset(&cmd->ioa_cb->ioarcb.cdb, 0, PMCRAID_MAX_CDB_LEN); 368 memset(&cmd->ioa_cb->ioarcb.cdb, 0, PMCRAID_MAX_CDB_LEN);
369 ioarcb->hrrq_id = 0;
360 ioarcb->request_flags0 = 0; 370 ioarcb->request_flags0 = 0;
361 ioarcb->request_flags1 = 0; 371 ioarcb->request_flags1 = 0;
362 ioarcb->cmd_timeout = 0; 372 ioarcb->cmd_timeout = 0;
@@ -368,13 +378,15 @@ void pmcraid_init_cmdblk(struct pmcraid_cmd *cmd, int index)
368 ioarcb->add_cmd_param_offset = 0; 378 ioarcb->add_cmd_param_offset = 0;
369 cmd->ioa_cb->ioasa.ioasc = 0; 379 cmd->ioa_cb->ioasa.ioasc = 0;
370 cmd->ioa_cb->ioasa.residual_data_length = 0; 380 cmd->ioa_cb->ioasa.residual_data_length = 0;
371 cmd->u.time_left = 0; 381 cmd->time_left = 0;
372 } 382 }
373 383
374 cmd->cmd_done = NULL; 384 cmd->cmd_done = NULL;
375 cmd->scsi_cmd = NULL; 385 cmd->scsi_cmd = NULL;
376 cmd->release = 0; 386 cmd->release = 0;
377 cmd->completion_req = 0; 387 cmd->completion_req = 0;
388 cmd->sense_buffer = 0;
389 cmd->sense_buffer_dma = 0;
378 cmd->dma_handle = 0; 390 cmd->dma_handle = 0;
379 init_timer(&cmd->timer); 391 init_timer(&cmd->timer);
380} 392}
@@ -449,7 +461,9 @@ void pmcraid_return_cmd(struct pmcraid_cmd *cmd)
449 */ 461 */
450static u32 pmcraid_read_interrupts(struct pmcraid_instance *pinstance) 462static u32 pmcraid_read_interrupts(struct pmcraid_instance *pinstance)
451{ 463{
452 return ioread32(pinstance->int_regs.ioa_host_interrupt_reg); 464 return (pinstance->interrupt_mode) ?
465 ioread32(pinstance->int_regs.ioa_host_msix_interrupt_reg) :
466 ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
453} 467}
454 468
455/** 469/**
@@ -469,10 +483,15 @@ static void pmcraid_disable_interrupts(
469 u32 gmask = ioread32(pinstance->int_regs.global_interrupt_mask_reg); 483 u32 gmask = ioread32(pinstance->int_regs.global_interrupt_mask_reg);
470 u32 nmask = gmask | GLOBAL_INTERRUPT_MASK; 484 u32 nmask = gmask | GLOBAL_INTERRUPT_MASK;
471 485
472 iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg);
473 iowrite32(intrs, pinstance->int_regs.ioa_host_interrupt_clr_reg); 486 iowrite32(intrs, pinstance->int_regs.ioa_host_interrupt_clr_reg);
474 iowrite32(intrs, pinstance->int_regs.ioa_host_interrupt_mask_reg); 487 iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg);
475 ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg); 488 ioread32(pinstance->int_regs.global_interrupt_mask_reg);
489
490 if (!pinstance->interrupt_mode) {
491 iowrite32(intrs,
492 pinstance->int_regs.ioa_host_interrupt_mask_reg);
493 ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
494 }
476} 495}
477 496
478/** 497/**
@@ -493,8 +512,12 @@ static void pmcraid_enable_interrupts(
493 u32 nmask = gmask & (~GLOBAL_INTERRUPT_MASK); 512 u32 nmask = gmask & (~GLOBAL_INTERRUPT_MASK);
494 513
495 iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg); 514 iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg);
496 iowrite32(~intrs, pinstance->int_regs.ioa_host_interrupt_mask_reg); 515
497 ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg); 516 if (!pinstance->interrupt_mode) {
517 iowrite32(~intrs,
518 pinstance->int_regs.ioa_host_interrupt_mask_reg);
519 ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
520 }
498 521
499 pmcraid_info("enabled interrupts global mask = %x intr_mask = %x\n", 522 pmcraid_info("enabled interrupts global mask = %x intr_mask = %x\n",
500 ioread32(pinstance->int_regs.global_interrupt_mask_reg), 523 ioread32(pinstance->int_regs.global_interrupt_mask_reg),
@@ -502,6 +525,39 @@ static void pmcraid_enable_interrupts(
502} 525}
503 526
504/** 527/**
528 * pmcraid_clr_trans_op - clear trans to op interrupt
529 *
530 * @pinstance: pointer to per adapter instance structure
531 *
532 * Return Value
533 * None
534 */
535static void pmcraid_clr_trans_op(
536 struct pmcraid_instance *pinstance
537)
538{
539 unsigned long lock_flags;
540
541 if (!pinstance->interrupt_mode) {
542 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
543 pinstance->int_regs.ioa_host_interrupt_mask_reg);
544 ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
545 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
546 pinstance->int_regs.ioa_host_interrupt_clr_reg);
547 ioread32(pinstance->int_regs.ioa_host_interrupt_clr_reg);
548 }
549
550 if (pinstance->reset_cmd != NULL) {
551 del_timer(&pinstance->reset_cmd->timer);
552 spin_lock_irqsave(
553 pinstance->host->host_lock, lock_flags);
554 pinstance->reset_cmd->cmd_done(pinstance->reset_cmd);
555 spin_unlock_irqrestore(
556 pinstance->host->host_lock, lock_flags);
557 }
558}
559
560/**
505 * pmcraid_reset_type - Determine the required reset type 561 * pmcraid_reset_type - Determine the required reset type
506 * @pinstance: pointer to adapter instance structure 562 * @pinstance: pointer to adapter instance structure
507 * 563 *
@@ -536,7 +592,7 @@ static void pmcraid_reset_type(struct pmcraid_instance *pinstance)
536 * pmcraid_bist_done - completion function for PCI BIST 592 * pmcraid_bist_done - completion function for PCI BIST
537 * @cmd: pointer to reset command 593 * @cmd: pointer to reset command
538 * Return Value 594 * Return Value
539 * none 595 * none
540 */ 596 */
541 597
542static void pmcraid_ioa_reset(struct pmcraid_cmd *); 598static void pmcraid_ioa_reset(struct pmcraid_cmd *);
@@ -552,16 +608,16 @@ static void pmcraid_bist_done(struct pmcraid_cmd *cmd)
552 608
553 /* If PCI config space can't be accessed wait for another two secs */ 609 /* If PCI config space can't be accessed wait for another two secs */
554 if ((rc != PCIBIOS_SUCCESSFUL || (!(pci_reg & PCI_COMMAND_MEMORY))) && 610 if ((rc != PCIBIOS_SUCCESSFUL || (!(pci_reg & PCI_COMMAND_MEMORY))) &&
555 cmd->u.time_left > 0) { 611 cmd->time_left > 0) {
556 pmcraid_info("BIST not complete, waiting another 2 secs\n"); 612 pmcraid_info("BIST not complete, waiting another 2 secs\n");
557 cmd->timer.expires = jiffies + cmd->u.time_left; 613 cmd->timer.expires = jiffies + cmd->time_left;
558 cmd->u.time_left = 0; 614 cmd->time_left = 0;
559 cmd->timer.data = (unsigned long)cmd; 615 cmd->timer.data = (unsigned long)cmd;
560 cmd->timer.function = 616 cmd->timer.function =
561 (void (*)(unsigned long))pmcraid_bist_done; 617 (void (*)(unsigned long))pmcraid_bist_done;
562 add_timer(&cmd->timer); 618 add_timer(&cmd->timer);
563 } else { 619 } else {
564 cmd->u.time_left = 0; 620 cmd->time_left = 0;
565 pmcraid_info("BIST is complete, proceeding with reset\n"); 621 pmcraid_info("BIST is complete, proceeding with reset\n");
566 spin_lock_irqsave(pinstance->host->host_lock, lock_flags); 622 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
567 pmcraid_ioa_reset(cmd); 623 pmcraid_ioa_reset(cmd);
@@ -585,10 +641,10 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd)
585 pinstance->int_regs.host_ioa_interrupt_reg); 641 pinstance->int_regs.host_ioa_interrupt_reg);
586 doorbells = ioread32(pinstance->int_regs.host_ioa_interrupt_reg); 642 doorbells = ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
587 intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg); 643 intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
588 pmcraid_info("doorbells after start bist: %x intrs: %x \n", 644 pmcraid_info("doorbells after start bist: %x intrs: %x\n",
589 doorbells, intrs); 645 doorbells, intrs);
590 646
591 cmd->u.time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT); 647 cmd->time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
592 cmd->timer.data = (unsigned long)cmd; 648 cmd->timer.data = (unsigned long)cmd;
593 cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_BIST_TIMEOUT); 649 cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
594 cmd->timer.function = (void (*)(unsigned long))pmcraid_bist_done; 650 cmd->timer.function = (void (*)(unsigned long))pmcraid_bist_done;
@@ -612,7 +668,7 @@ static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd)
612 * some more time to wait, restart the timer 668 * some more time to wait, restart the timer
613 */ 669 */
614 if (((status & INTRS_CRITICAL_OP_IN_PROGRESS) == 0) || 670 if (((status & INTRS_CRITICAL_OP_IN_PROGRESS) == 0) ||
615 cmd->u.time_left <= 0) { 671 cmd->time_left <= 0) {
616 pmcraid_info("critical op is reset proceeding with reset\n"); 672 pmcraid_info("critical op is reset proceeding with reset\n");
617 spin_lock_irqsave(pinstance->host->host_lock, lock_flags); 673 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
618 pmcraid_ioa_reset(cmd); 674 pmcraid_ioa_reset(cmd);
@@ -620,7 +676,7 @@ static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd)
620 } else { 676 } else {
621 pmcraid_info("critical op is not yet reset waiting again\n"); 677 pmcraid_info("critical op is not yet reset waiting again\n");
622 /* restart timer if some more time is available to wait */ 678 /* restart timer if some more time is available to wait */
623 cmd->u.time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT; 679 cmd->time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT;
624 cmd->timer.data = (unsigned long)cmd; 680 cmd->timer.data = (unsigned long)cmd;
625 cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT; 681 cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT;
626 cmd->timer.function = 682 cmd->timer.function =
@@ -638,6 +694,7 @@ static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd)
638 * successfully written to IOA. Returns non-zero in case pci_config_space 694 * successfully written to IOA. Returns non-zero in case pci_config_space
639 * is not accessible 695 * is not accessible
640 */ 696 */
697static void pmcraid_notify_ioastate(struct pmcraid_instance *, u32);
641static void pmcraid_reset_alert(struct pmcraid_cmd *cmd) 698static void pmcraid_reset_alert(struct pmcraid_cmd *cmd)
642{ 699{
643 struct pmcraid_instance *pinstance = cmd->drv_inst; 700 struct pmcraid_instance *pinstance = cmd->drv_inst;
@@ -658,7 +715,7 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd)
658 * OPERATION bit is reset. A timer is started to wait for this 715 * OPERATION bit is reset. A timer is started to wait for this
659 * bit to be reset. 716 * bit to be reset.
660 */ 717 */
661 cmd->u.time_left = PMCRAID_RESET_TIMEOUT; 718 cmd->time_left = PMCRAID_RESET_TIMEOUT;
662 cmd->timer.data = (unsigned long)cmd; 719 cmd->timer.data = (unsigned long)cmd;
663 cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT; 720 cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT;
664 cmd->timer.function = 721 cmd->timer.function =
@@ -693,7 +750,8 @@ static void pmcraid_timeout_handler(struct pmcraid_cmd *cmd)
693 unsigned long lock_flags; 750 unsigned long lock_flags;
694 751
695 dev_info(&pinstance->pdev->dev, 752 dev_info(&pinstance->pdev->dev,
696 "Adapter being reset due to command timeout.\n"); 753 "Adapter being reset due to cmd(CDB[0] = %x) timeout\n",
754 cmd->ioa_cb->ioarcb.cdb[0]);
697 755
698 /* Command timeouts result in hard reset sequence. The command that got 756 /* Command timeouts result in hard reset sequence. The command that got
699 * timed out may be the one used as part of reset sequence. In this 757 * timed out may be the one used as part of reset sequence. In this
@@ -736,9 +794,14 @@ static void pmcraid_timeout_handler(struct pmcraid_cmd *cmd)
736 */ 794 */
737 if (cmd == pinstance->reset_cmd) 795 if (cmd == pinstance->reset_cmd)
738 cmd->cmd_done = pmcraid_ioa_reset; 796 cmd->cmd_done = pmcraid_ioa_reset;
739
740 } 797 }
741 798
799 /* Notify apps of important IOA bringup/bringdown sequences */
800 if (pinstance->scn.ioa_state != PMC_DEVICE_EVENT_RESET_START &&
801 pinstance->scn.ioa_state != PMC_DEVICE_EVENT_SHUTDOWN_START)
802 pmcraid_notify_ioastate(pinstance,
803 PMC_DEVICE_EVENT_RESET_START);
804
742 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT; 805 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
743 scsi_block_requests(pinstance->host); 806 scsi_block_requests(pinstance->host);
744 pmcraid_reset_alert(cmd); 807 pmcraid_reset_alert(cmd);
@@ -866,7 +929,7 @@ static void _pmcraid_fire_command(struct pmcraid_cmd *cmd)
866 /* Add this command block to pending cmd pool. We do this prior to 929 /* Add this command block to pending cmd pool. We do this prior to
867 * writting IOARCB to ioarrin because IOA might complete the command 930 * writting IOARCB to ioarrin because IOA might complete the command
868 * by the time we are about to add it to the list. Response handler 931 * by the time we are about to add it to the list. Response handler
869 * (isr/tasklet) looks for cmb block in the pending pending list. 932 * (isr/tasklet) looks for cmd block in the pending pending list.
870 */ 933 */
871 spin_lock_irqsave(&pinstance->pending_pool_lock, lock_flags); 934 spin_lock_irqsave(&pinstance->pending_pool_lock, lock_flags);
872 list_add_tail(&cmd->free_list, &pinstance->pending_cmd_pool); 935 list_add_tail(&cmd->free_list, &pinstance->pending_cmd_pool);
@@ -916,6 +979,23 @@ static void pmcraid_send_cmd(
916} 979}
917 980
918/** 981/**
982 * pmcraid_ioa_shutdown_done - completion function for IOA shutdown command
983 * @cmd: pointer to the command block used for sending IOA shutdown command
984 *
985 * Return value
986 * None
987 */
988static void pmcraid_ioa_shutdown_done(struct pmcraid_cmd *cmd)
989{
990 struct pmcraid_instance *pinstance = cmd->drv_inst;
991 unsigned long lock_flags;
992
993 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
994 pmcraid_ioa_reset(cmd);
995 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
996}
997
998/**
919 * pmcraid_ioa_shutdown - sends SHUTDOWN command to ioa 999 * pmcraid_ioa_shutdown - sends SHUTDOWN command to ioa
920 * 1000 *
921 * @cmd: pointer to the command block used as part of reset sequence 1001 * @cmd: pointer to the command block used as part of reset sequence
@@ -943,30 +1023,112 @@ static void pmcraid_ioa_shutdown(struct pmcraid_cmd *cmd)
943 pmcraid_info("firing normal shutdown command (%d) to IOA\n", 1023 pmcraid_info("firing normal shutdown command (%d) to IOA\n",
944 le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle)); 1024 le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle));
945 1025
946 pmcraid_send_cmd(cmd, pmcraid_ioa_reset, 1026 pmcraid_notify_ioastate(cmd->drv_inst, PMC_DEVICE_EVENT_SHUTDOWN_START);
1027
1028 pmcraid_send_cmd(cmd, pmcraid_ioa_shutdown_done,
947 PMCRAID_SHUTDOWN_TIMEOUT, 1029 PMCRAID_SHUTDOWN_TIMEOUT,
948 pmcraid_timeout_handler); 1030 pmcraid_timeout_handler);
949} 1031}
950 1032
951/** 1033/**
952 * pmcraid_identify_hrrq - registers host rrq buffers with IOA 1034 * pmcraid_get_fwversion_done - completion function for get_fwversion
953 * @cmd: pointer to command block to be used for identify hrrq 1035 *
1036 * @cmd: pointer to command block used to send INQUIRY command
954 * 1037 *
955 * Return Value 1038 * Return Value
956 * 0 in case of success, otherwise non-zero failure code 1039 * none
957 */ 1040 */
958
959static void pmcraid_querycfg(struct pmcraid_cmd *); 1041static void pmcraid_querycfg(struct pmcraid_cmd *);
960 1042
1043static void pmcraid_get_fwversion_done(struct pmcraid_cmd *cmd)
1044{
1045 struct pmcraid_instance *pinstance = cmd->drv_inst;
1046 u32 ioasc = le32_to_cpu(cmd->ioa_cb->ioasa.ioasc);
1047 unsigned long lock_flags;
1048
1049 /* configuration table entry size depends on firmware version. If fw
1050 * version is not known, it is not possible to interpret IOA config
1051 * table
1052 */
1053 if (ioasc) {
1054 pmcraid_err("IOA Inquiry failed with %x\n", ioasc);
1055 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
1056 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
1057 pmcraid_reset_alert(cmd);
1058 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
1059 } else {
1060 pmcraid_querycfg(cmd);
1061 }
1062}
1063
1064/**
1065 * pmcraid_get_fwversion - reads firmware version information
1066 *
1067 * @cmd: pointer to command block used to send INQUIRY command
1068 *
1069 * Return Value
1070 * none
1071 */
1072static void pmcraid_get_fwversion(struct pmcraid_cmd *cmd)
1073{
1074 struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
1075 struct pmcraid_ioadl_desc *ioadl = ioarcb->add_data.u.ioadl;
1076 struct pmcraid_instance *pinstance = cmd->drv_inst;
1077 u16 data_size = sizeof(struct pmcraid_inquiry_data);
1078
1079 pmcraid_reinit_cmdblk(cmd);
1080 ioarcb->request_type = REQ_TYPE_SCSI;
1081 ioarcb->resource_handle = cpu_to_le32(PMCRAID_IOA_RES_HANDLE);
1082 ioarcb->cdb[0] = INQUIRY;
1083 ioarcb->cdb[1] = 1;
1084 ioarcb->cdb[2] = 0xD0;
1085 ioarcb->cdb[3] = (data_size >> 8) & 0xFF;
1086 ioarcb->cdb[4] = data_size & 0xFF;
1087
1088 /* Since entire inquiry data it can be part of IOARCB itself
1089 */
1090 ioarcb->ioadl_bus_addr = cpu_to_le64((cmd->ioa_cb_bus_addr) +
1091 offsetof(struct pmcraid_ioarcb,
1092 add_data.u.ioadl[0]));
1093 ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc));
1094 ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
1095
1096 ioarcb->request_flags0 |= NO_LINK_DESCS;
1097 ioarcb->data_transfer_length = cpu_to_le32(data_size);
1098 ioadl = &(ioarcb->add_data.u.ioadl[0]);
1099 ioadl->flags = IOADL_FLAGS_LAST_DESC;
1100 ioadl->address = cpu_to_le64(pinstance->inq_data_baddr);
1101 ioadl->data_len = cpu_to_le32(data_size);
1102
1103 pmcraid_send_cmd(cmd, pmcraid_get_fwversion_done,
1104 PMCRAID_INTERNAL_TIMEOUT, pmcraid_timeout_handler);
1105}
1106
1107/**
1108 * pmcraid_identify_hrrq - registers host rrq buffers with IOA
1109 * @cmd: pointer to command block to be used for identify hrrq
1110 *
1111 * Return Value
1112 * none
1113 */
961static void pmcraid_identify_hrrq(struct pmcraid_cmd *cmd) 1114static void pmcraid_identify_hrrq(struct pmcraid_cmd *cmd)
962{ 1115{
963 struct pmcraid_instance *pinstance = cmd->drv_inst; 1116 struct pmcraid_instance *pinstance = cmd->drv_inst;
964 struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb; 1117 struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
965 int index = 0; 1118 int index = cmd->hrrq_index;
966 __be64 hrrq_addr = cpu_to_be64(pinstance->hrrq_start_bus_addr[index]); 1119 __be64 hrrq_addr = cpu_to_be64(pinstance->hrrq_start_bus_addr[index]);
967 u32 hrrq_size = cpu_to_be32(sizeof(u32) * PMCRAID_MAX_CMD); 1120 u32 hrrq_size = cpu_to_be32(sizeof(u32) * PMCRAID_MAX_CMD);
1121 void (*done_function)(struct pmcraid_cmd *);
968 1122
969 pmcraid_reinit_cmdblk(cmd); 1123 pmcraid_reinit_cmdblk(cmd);
1124 cmd->hrrq_index = index + 1;
1125
1126 if (cmd->hrrq_index < pinstance->num_hrrq) {
1127 done_function = pmcraid_identify_hrrq;
1128 } else {
1129 cmd->hrrq_index = 0;
1130 done_function = pmcraid_get_fwversion;
1131 }
970 1132
971 /* Initialize ioarcb */ 1133 /* Initialize ioarcb */
972 ioarcb->request_type = REQ_TYPE_IOACMD; 1134 ioarcb->request_type = REQ_TYPE_IOACMD;
@@ -980,8 +1142,8 @@ static void pmcraid_identify_hrrq(struct pmcraid_cmd *cmd)
980 /* IOA expects 64-bit pci address to be written in B.E format 1142 /* IOA expects 64-bit pci address to be written in B.E format
981 * (i.e cdb[2]=MSByte..cdb[9]=LSB. 1143 * (i.e cdb[2]=MSByte..cdb[9]=LSB.
982 */ 1144 */
983 pmcraid_info("HRRQ_IDENTIFY with hrrq:ioarcb => %llx:%llx\n", 1145 pmcraid_info("HRRQ_IDENTIFY with hrrq:ioarcb:index => %llx:%llx:%x\n",
984 hrrq_addr, ioarcb->ioarcb_bus_addr); 1146 hrrq_addr, ioarcb->ioarcb_bus_addr, index);
985 1147
986 memcpy(&(ioarcb->cdb[2]), &hrrq_addr, sizeof(hrrq_addr)); 1148 memcpy(&(ioarcb->cdb[2]), &hrrq_addr, sizeof(hrrq_addr));
987 memcpy(&(ioarcb->cdb[10]), &hrrq_size, sizeof(hrrq_size)); 1149 memcpy(&(ioarcb->cdb[10]), &hrrq_size, sizeof(hrrq_size));
@@ -990,7 +1152,7 @@ static void pmcraid_identify_hrrq(struct pmcraid_cmd *cmd)
990 * Note that this gets called even during reset from SCSI mid-layer 1152 * Note that this gets called even during reset from SCSI mid-layer
991 * or tasklet 1153 * or tasklet
992 */ 1154 */
993 pmcraid_send_cmd(cmd, pmcraid_querycfg, 1155 pmcraid_send_cmd(cmd, done_function,
994 PMCRAID_INTERNAL_TIMEOUT, 1156 PMCRAID_INTERNAL_TIMEOUT,
995 pmcraid_timeout_handler); 1157 pmcraid_timeout_handler);
996} 1158}
@@ -1047,7 +1209,7 @@ static struct pmcraid_cmd *pmcraid_init_hcam
1047 } 1209 }
1048 1210
1049 if (type == PMCRAID_HCAM_CODE_CONFIG_CHANGE) { 1211 if (type == PMCRAID_HCAM_CODE_CONFIG_CHANGE) {
1050 rcb_size = sizeof(struct pmcraid_hcam_ccn); 1212 rcb_size = sizeof(struct pmcraid_hcam_ccn_ext);
1051 cmd_done = pmcraid_process_ccn; 1213 cmd_done = pmcraid_process_ccn;
1052 dma = pinstance->ccn.baddr + PMCRAID_AEN_HDR_SIZE; 1214 dma = pinstance->ccn.baddr + PMCRAID_AEN_HDR_SIZE;
1053 hcam = &pinstance->ccn; 1215 hcam = &pinstance->ccn;
@@ -1094,7 +1256,7 @@ static struct pmcraid_cmd *pmcraid_init_hcam
1094 * This function will send a Host Controlled Async command to IOA. 1256 * This function will send a Host Controlled Async command to IOA.
1095 * 1257 *
1096 * Return value: 1258 * Return value:
1097 * none 1259 * none
1098 */ 1260 */
1099static void pmcraid_send_hcam(struct pmcraid_instance *pinstance, u8 type) 1261static void pmcraid_send_hcam(struct pmcraid_instance *pinstance, u8 type)
1100{ 1262{
@@ -1202,18 +1364,25 @@ static void pmcraid_cancel_ldn(struct pmcraid_cmd *cmd)
1202/** 1364/**
1203 * pmcraid_expose_resource - check if the resource can be exposed to OS 1365 * pmcraid_expose_resource - check if the resource can be exposed to OS
1204 * 1366 *
1367 * @fw_version: firmware version code
1205 * @cfgte: pointer to configuration table entry of the resource 1368 * @cfgte: pointer to configuration table entry of the resource
1206 * 1369 *
1207 * Return value: 1370 * Return value:
1208 * true if resource can be added to midlayer, false(0) otherwise 1371 * true if resource can be added to midlayer, false(0) otherwise
1209 */ 1372 */
1210static int pmcraid_expose_resource(struct pmcraid_config_table_entry *cfgte) 1373static int pmcraid_expose_resource(u16 fw_version,
1374 struct pmcraid_config_table_entry *cfgte)
1211{ 1375{
1212 int retval = 0; 1376 int retval = 0;
1213 1377
1214 if (cfgte->resource_type == RES_TYPE_VSET) 1378 if (cfgte->resource_type == RES_TYPE_VSET) {
1215 retval = ((cfgte->unique_flags1 & 0x80) == 0); 1379 if (fw_version <= PMCRAID_FW_VERSION_1)
1216 else if (cfgte->resource_type == RES_TYPE_GSCSI) 1380 retval = ((cfgte->unique_flags1 & 0x80) == 0);
1381 else
1382 retval = ((cfgte->unique_flags0 & 0x80) == 0 &&
1383 (cfgte->unique_flags1 & 0x80) == 0);
1384
1385 } else if (cfgte->resource_type == RES_TYPE_GSCSI)
1217 retval = (RES_BUS(cfgte->resource_address) != 1386 retval = (RES_BUS(cfgte->resource_address) !=
1218 PMCRAID_VIRTUAL_ENCL_BUS_ID); 1387 PMCRAID_VIRTUAL_ENCL_BUS_ID);
1219 return retval; 1388 return retval;
@@ -1246,8 +1415,8 @@ static struct genl_family pmcraid_event_family = {
1246 * pmcraid_netlink_init - registers pmcraid_event_family 1415 * pmcraid_netlink_init - registers pmcraid_event_family
1247 * 1416 *
1248 * Return value: 1417 * Return value:
1249 * 0 if the pmcraid_event_family is successfully registered 1418 * 0 if the pmcraid_event_family is successfully registered
1250 * with netlink generic, non-zero otherwise 1419 * with netlink generic, non-zero otherwise
1251 */ 1420 */
1252static int pmcraid_netlink_init(void) 1421static int pmcraid_netlink_init(void)
1253{ 1422{
@@ -1268,7 +1437,7 @@ static int pmcraid_netlink_init(void)
1268 * pmcraid_netlink_release - unregisters pmcraid_event_family 1437 * pmcraid_netlink_release - unregisters pmcraid_event_family
1269 * 1438 *
1270 * Return value: 1439 * Return value:
1271 * none 1440 * none
1272 */ 1441 */
1273static void pmcraid_netlink_release(void) 1442static void pmcraid_netlink_release(void)
1274{ 1443{
@@ -1283,31 +1452,30 @@ static void pmcraid_netlink_release(void)
1283 * Return value: 1452 * Return value:
1284 * 0 if success, error value in case of any failure. 1453 * 0 if success, error value in case of any failure.
1285 */ 1454 */
1286static int pmcraid_notify_aen(struct pmcraid_instance *pinstance, u8 type) 1455static int pmcraid_notify_aen(
1456 struct pmcraid_instance *pinstance,
1457 struct pmcraid_aen_msg *aen_msg,
1458 u32 data_size
1459)
1287{ 1460{
1288 struct sk_buff *skb; 1461 struct sk_buff *skb;
1289 struct pmcraid_aen_msg *aen_msg;
1290 void *msg_header; 1462 void *msg_header;
1291 int data_size, total_size; 1463 u32 total_size, nla_genl_hdr_total_size;
1292 int result; 1464 int result;
1293 1465
1294
1295 if (type == PMCRAID_HCAM_CODE_LOG_DATA) {
1296 aen_msg = pinstance->ldn.msg;
1297 data_size = pinstance->ldn.hcam->data_len;
1298 } else {
1299 aen_msg = pinstance->ccn.msg;
1300 data_size = pinstance->ccn.hcam->data_len;
1301 }
1302
1303 data_size += sizeof(struct pmcraid_hcam_hdr);
1304 aen_msg->hostno = (pinstance->host->unique_id << 16 | 1466 aen_msg->hostno = (pinstance->host->unique_id << 16 |
1305 MINOR(pinstance->cdev.dev)); 1467 MINOR(pinstance->cdev.dev));
1306 aen_msg->length = data_size; 1468 aen_msg->length = data_size;
1469
1307 data_size += sizeof(*aen_msg); 1470 data_size += sizeof(*aen_msg);
1308 1471
1309 total_size = nla_total_size(data_size); 1472 total_size = nla_total_size(data_size);
1310 skb = genlmsg_new(total_size, GFP_ATOMIC); 1473 /* Add GENL_HDR to total_size */
1474 nla_genl_hdr_total_size =
1475 (total_size + (GENL_HDRLEN +
1476 ((struct genl_family *)&pmcraid_event_family)->hdrsize)
1477 + NLMSG_HDRLEN);
1478 skb = genlmsg_new(nla_genl_hdr_total_size, GFP_ATOMIC);
1311 1479
1312 1480
1313 if (!skb) { 1481 if (!skb) {
@@ -1329,7 +1497,7 @@ static int pmcraid_notify_aen(struct pmcraid_instance *pinstance, u8 type)
1329 result = nla_put(skb, PMCRAID_AEN_ATTR_EVENT, data_size, aen_msg); 1497 result = nla_put(skb, PMCRAID_AEN_ATTR_EVENT, data_size, aen_msg);
1330 1498
1331 if (result) { 1499 if (result) {
1332 pmcraid_err("failed to copy AEN attribute data \n"); 1500 pmcraid_err("failed to copy AEN attribute data\n");
1333 nlmsg_free(skb); 1501 nlmsg_free(skb);
1334 return -EINVAL; 1502 return -EINVAL;
1335 } 1503 }
@@ -1350,13 +1518,57 @@ static int pmcraid_notify_aen(struct pmcraid_instance *pinstance, u8 type)
1350 * value. 1518 * value.
1351 */ 1519 */
1352 if (result) 1520 if (result)
1353 pmcraid_info("failed to send %s event message %x!\n", 1521 pmcraid_info("error (%x) sending aen event message\n", result);
1354 type == PMCRAID_HCAM_CODE_LOG_DATA ? "LDN" : "CCN",
1355 result);
1356 return result; 1522 return result;
1357} 1523}
1358 1524
1359/** 1525/**
1526 * pmcraid_notify_ccn - notifies about CCN event msg to user space
1527 * @pinstance: pointer adapter instance structure
1528 *
1529 * Return value:
1530 * 0 if success, error value in case of any failure
1531 */
1532static int pmcraid_notify_ccn(struct pmcraid_instance *pinstance)
1533{
1534 return pmcraid_notify_aen(pinstance,
1535 pinstance->ccn.msg,
1536 pinstance->ccn.hcam->data_len +
1537 sizeof(struct pmcraid_hcam_hdr));
1538}
1539
1540/**
1541 * pmcraid_notify_ldn - notifies about CCN event msg to user space
1542 * @pinstance: pointer adapter instance structure
1543 *
1544 * Return value:
1545 * 0 if success, error value in case of any failure
1546 */
1547static int pmcraid_notify_ldn(struct pmcraid_instance *pinstance)
1548{
1549 return pmcraid_notify_aen(pinstance,
1550 pinstance->ldn.msg,
1551 pinstance->ldn.hcam->data_len +
1552 sizeof(struct pmcraid_hcam_hdr));
1553}
1554
1555/**
1556 * pmcraid_notify_ioastate - sends IOA state event msg to user space
1557 * @pinstance: pointer adapter instance structure
1558 * @evt: controller state event to be sent
1559 *
1560 * Return value:
1561 * 0 if success, error value in case of any failure
1562 */
1563static void pmcraid_notify_ioastate(struct pmcraid_instance *pinstance, u32 evt)
1564{
1565 pinstance->scn.ioa_state = evt;
1566 pmcraid_notify_aen(pinstance,
1567 &pinstance->scn.msg,
1568 sizeof(u32));
1569}
1570
1571/**
1360 * pmcraid_handle_config_change - Handle a config change from the adapter 1572 * pmcraid_handle_config_change - Handle a config change from the adapter
1361 * @pinstance: pointer to per adapter instance structure 1573 * @pinstance: pointer to per adapter instance structure
1362 * 1574 *
@@ -1375,10 +1587,12 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1375 unsigned long host_lock_flags; 1587 unsigned long host_lock_flags;
1376 u32 new_entry = 1; 1588 u32 new_entry = 1;
1377 u32 hidden_entry = 0; 1589 u32 hidden_entry = 0;
1590 u16 fw_version;
1378 int rc; 1591 int rc;
1379 1592
1380 ccn_hcam = (struct pmcraid_hcam_ccn *)pinstance->ccn.hcam; 1593 ccn_hcam = (struct pmcraid_hcam_ccn *)pinstance->ccn.hcam;
1381 cfg_entry = &ccn_hcam->cfg_entry; 1594 cfg_entry = &ccn_hcam->cfg_entry;
1595 fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
1382 1596
1383 pmcraid_info 1597 pmcraid_info
1384 ("CCN(%x): %x type: %x lost: %x flags: %x res: %x:%x:%x:%x\n", 1598 ("CCN(%x): %x type: %x lost: %x flags: %x res: %x:%x:%x:%x\n",
@@ -1391,7 +1605,10 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1391 RES_IS_VSET(*cfg_entry) ? PMCRAID_VSET_BUS_ID : 1605 RES_IS_VSET(*cfg_entry) ? PMCRAID_VSET_BUS_ID :
1392 (RES_IS_GSCSI(*cfg_entry) ? PMCRAID_PHYS_BUS_ID : 1606 (RES_IS_GSCSI(*cfg_entry) ? PMCRAID_PHYS_BUS_ID :
1393 RES_BUS(cfg_entry->resource_address)), 1607 RES_BUS(cfg_entry->resource_address)),
1394 RES_IS_VSET(*cfg_entry) ? cfg_entry->unique_flags1 : 1608 RES_IS_VSET(*cfg_entry) ?
1609 (fw_version <= PMCRAID_FW_VERSION_1 ?
1610 cfg_entry->unique_flags1 :
1611 cfg_entry->array_id & 0xFF) :
1395 RES_TARGET(cfg_entry->resource_address), 1612 RES_TARGET(cfg_entry->resource_address),
1396 RES_LUN(cfg_entry->resource_address)); 1613 RES_LUN(cfg_entry->resource_address));
1397 1614
@@ -1415,11 +1632,16 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1415 */ 1632 */
1416 if (pinstance->ccn.hcam->notification_type == 1633 if (pinstance->ccn.hcam->notification_type ==
1417 NOTIFICATION_TYPE_ENTRY_CHANGED && 1634 NOTIFICATION_TYPE_ENTRY_CHANGED &&
1418 cfg_entry->resource_type == RES_TYPE_VSET && 1635 cfg_entry->resource_type == RES_TYPE_VSET) {
1419 cfg_entry->unique_flags1 & 0x80) { 1636
1420 hidden_entry = 1; 1637 if (fw_version <= PMCRAID_FW_VERSION_1)
1421 } else if (!pmcraid_expose_resource(cfg_entry)) 1638 hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
1639 else
1640 hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
1641
1642 } else if (!pmcraid_expose_resource(fw_version, cfg_entry)) {
1422 goto out_notify_apps; 1643 goto out_notify_apps;
1644 }
1423 1645
1424 spin_lock_irqsave(&pinstance->resource_lock, lock_flags); 1646 spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
1425 list_for_each_entry(res, &pinstance->used_res_q, queue) { 1647 list_for_each_entry(res, &pinstance->used_res_q, queue) {
@@ -1466,13 +1688,15 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1466 list_add_tail(&res->queue, &pinstance->used_res_q); 1688 list_add_tail(&res->queue, &pinstance->used_res_q);
1467 } 1689 }
1468 1690
1469 memcpy(&res->cfg_entry, cfg_entry, 1691 memcpy(&res->cfg_entry, cfg_entry, pinstance->config_table_entry_size);
1470 sizeof(struct pmcraid_config_table_entry));
1471 1692
1472 if (pinstance->ccn.hcam->notification_type == 1693 if (pinstance->ccn.hcam->notification_type ==
1473 NOTIFICATION_TYPE_ENTRY_DELETED || hidden_entry) { 1694 NOTIFICATION_TYPE_ENTRY_DELETED || hidden_entry) {
1474 if (res->scsi_dev) { 1695 if (res->scsi_dev) {
1475 res->cfg_entry.unique_flags1 &= 0x7F; 1696 if (fw_version <= PMCRAID_FW_VERSION_1)
1697 res->cfg_entry.unique_flags1 &= 0x7F;
1698 else
1699 res->cfg_entry.array_id &= 0xFF;
1476 res->change_detected = RES_CHANGE_DEL; 1700 res->change_detected = RES_CHANGE_DEL;
1477 res->cfg_entry.resource_handle = 1701 res->cfg_entry.resource_handle =
1478 PMCRAID_INVALID_RES_HANDLE; 1702 PMCRAID_INVALID_RES_HANDLE;
@@ -1491,7 +1715,7 @@ out_notify_apps:
1491 1715
1492 /* Notify configuration changes to registered applications.*/ 1716 /* Notify configuration changes to registered applications.*/
1493 if (!pmcraid_disable_aen) 1717 if (!pmcraid_disable_aen)
1494 pmcraid_notify_aen(pinstance, PMCRAID_HCAM_CODE_CONFIG_CHANGE); 1718 pmcraid_notify_ccn(pinstance);
1495 1719
1496 cmd = pmcraid_init_hcam(pinstance, PMCRAID_HCAM_CODE_CONFIG_CHANGE); 1720 cmd = pmcraid_init_hcam(pinstance, PMCRAID_HCAM_CODE_CONFIG_CHANGE);
1497 if (cmd) 1721 if (cmd)
@@ -1528,7 +1752,7 @@ void pmcraid_ioasc_logger(u32 ioasc, struct pmcraid_cmd *cmd)
1528 return; 1752 return;
1529 1753
1530 /* log the error string */ 1754 /* log the error string */
1531 pmcraid_err("cmd [%d] for resource %x failed with %x(%s)\n", 1755 pmcraid_err("cmd [%x] for resource %x failed with %x(%s)\n",
1532 cmd->ioa_cb->ioarcb.cdb[0], 1756 cmd->ioa_cb->ioarcb.cdb[0],
1533 cmd->ioa_cb->ioarcb.resource_handle, 1757 cmd->ioa_cb->ioarcb.resource_handle,
1534 le32_to_cpu(ioasc), error_info->error_string); 1758 le32_to_cpu(ioasc), error_info->error_string);
@@ -1663,7 +1887,7 @@ static void pmcraid_process_ldn(struct pmcraid_cmd *cmd)
1663 } 1887 }
1664 /* send netlink message for HCAM notification if enabled */ 1888 /* send netlink message for HCAM notification if enabled */
1665 if (!pmcraid_disable_aen) 1889 if (!pmcraid_disable_aen)
1666 pmcraid_notify_aen(pinstance, PMCRAID_HCAM_CODE_LOG_DATA); 1890 pmcraid_notify_ldn(pinstance);
1667 1891
1668 cmd = pmcraid_init_hcam(pinstance, PMCRAID_HCAM_CODE_LOG_DATA); 1892 cmd = pmcraid_init_hcam(pinstance, PMCRAID_HCAM_CODE_LOG_DATA);
1669 if (cmd) 1893 if (cmd)
@@ -1701,10 +1925,13 @@ static void pmcraid_unregister_hcams(struct pmcraid_cmd *cmd)
1701 atomic_set(&pinstance->ldn.ignore, 1); 1925 atomic_set(&pinstance->ldn.ignore, 1);
1702 1926
1703 /* If adapter reset was forced as part of runtime reset sequence, 1927 /* If adapter reset was forced as part of runtime reset sequence,
1704 * start the reset sequence. 1928 * start the reset sequence. Reset will be triggered even in case
1929 * IOA unit_check.
1705 */ 1930 */
1706 if (pinstance->force_ioa_reset && !pinstance->ioa_bringdown) { 1931 if ((pinstance->force_ioa_reset && !pinstance->ioa_bringdown) ||
1932 pinstance->ioa_unit_check) {
1707 pinstance->force_ioa_reset = 0; 1933 pinstance->force_ioa_reset = 0;
1934 pinstance->ioa_unit_check = 0;
1708 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT; 1935 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
1709 pmcraid_reset_alert(cmd); 1936 pmcraid_reset_alert(cmd);
1710 return; 1937 return;
@@ -1735,10 +1962,13 @@ static int pmcraid_reset_enable_ioa(struct pmcraid_instance *pinstance)
1735 pmcraid_enable_interrupts(pinstance, PMCRAID_PCI_INTERRUPTS); 1962 pmcraid_enable_interrupts(pinstance, PMCRAID_PCI_INTERRUPTS);
1736 1963
1737 if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) { 1964 if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) {
1738 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL, 1965 if (!pinstance->interrupt_mode) {
1739 pinstance->int_regs.ioa_host_interrupt_mask_reg); 1966 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
1740 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL, 1967 pinstance->int_regs.
1741 pinstance->int_regs.ioa_host_interrupt_clr_reg); 1968 ioa_host_interrupt_mask_reg);
1969 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
1970 pinstance->int_regs.ioa_host_interrupt_clr_reg);
1971 }
1742 return 1; 1972 return 1;
1743 } else { 1973 } else {
1744 return 0; 1974 return 0;
@@ -1777,8 +2007,19 @@ static void pmcraid_soft_reset(struct pmcraid_cmd *cmd)
1777 doorbell = DOORBELL_RUNTIME_RESET | 2007 doorbell = DOORBELL_RUNTIME_RESET |
1778 DOORBELL_ENABLE_DESTRUCTIVE_DIAGS; 2008 DOORBELL_ENABLE_DESTRUCTIVE_DIAGS;
1779 2009
2010 /* Since we do RESET_ALERT and Start BIST we have to again write
2011 * MSIX Doorbell to indicate the interrupt mode
2012 */
2013 if (pinstance->interrupt_mode) {
2014 iowrite32(DOORBELL_INTR_MODE_MSIX,
2015 pinstance->int_regs.host_ioa_interrupt_reg);
2016 ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
2017 }
2018
1780 iowrite32(doorbell, pinstance->int_regs.host_ioa_interrupt_reg); 2019 iowrite32(doorbell, pinstance->int_regs.host_ioa_interrupt_reg);
2020 ioread32(pinstance->int_regs.host_ioa_interrupt_reg),
1781 int_reg = ioread32(pinstance->int_regs.ioa_host_interrupt_reg); 2021 int_reg = ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
2022
1782 pmcraid_info("Waiting for IOA to become operational %x:%x\n", 2023 pmcraid_info("Waiting for IOA to become operational %x:%x\n",
1783 ioread32(pinstance->int_regs.host_ioa_interrupt_reg), 2024 ioread32(pinstance->int_regs.host_ioa_interrupt_reg),
1784 int_reg); 2025 int_reg);
@@ -1854,7 +2095,8 @@ static void pmcraid_fail_outstanding_cmds(struct pmcraid_instance *pinstance)
1854 } else if (cmd->cmd_done == pmcraid_internal_done || 2095 } else if (cmd->cmd_done == pmcraid_internal_done ||
1855 cmd->cmd_done == pmcraid_erp_done) { 2096 cmd->cmd_done == pmcraid_erp_done) {
1856 cmd->cmd_done(cmd); 2097 cmd->cmd_done(cmd);
1857 } else if (cmd->cmd_done != pmcraid_ioa_reset) { 2098 } else if (cmd->cmd_done != pmcraid_ioa_reset &&
2099 cmd->cmd_done != pmcraid_ioa_shutdown_done) {
1858 pmcraid_return_cmd(cmd); 2100 pmcraid_return_cmd(cmd);
1859 } 2101 }
1860 2102
@@ -1964,6 +2206,13 @@ static void pmcraid_ioa_reset(struct pmcraid_cmd *cmd)
1964 pinstance->ioa_reset_attempts = 0; 2206 pinstance->ioa_reset_attempts = 0;
1965 pmcraid_err("IOA didn't respond marking it as dead\n"); 2207 pmcraid_err("IOA didn't respond marking it as dead\n");
1966 pinstance->ioa_state = IOA_STATE_DEAD; 2208 pinstance->ioa_state = IOA_STATE_DEAD;
2209
2210 if (pinstance->ioa_bringdown)
2211 pmcraid_notify_ioastate(pinstance,
2212 PMC_DEVICE_EVENT_SHUTDOWN_FAILED);
2213 else
2214 pmcraid_notify_ioastate(pinstance,
2215 PMC_DEVICE_EVENT_RESET_FAILED);
1967 reset_complete = 1; 2216 reset_complete = 1;
1968 break; 2217 break;
1969 } 2218 }
@@ -1971,7 +2220,6 @@ static void pmcraid_ioa_reset(struct pmcraid_cmd *cmd)
1971 /* Once either bist or pci reset is done, restore PCI config 2220 /* Once either bist or pci reset is done, restore PCI config
1972 * space. If this fails, proceed with hard reset again 2221 * space. If this fails, proceed with hard reset again
1973 */ 2222 */
1974
1975 if (pci_restore_state(pinstance->pdev)) { 2223 if (pci_restore_state(pinstance->pdev)) {
1976 pmcraid_info("config-space error resetting again\n"); 2224 pmcraid_info("config-space error resetting again\n");
1977 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT; 2225 pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
@@ -2002,6 +2250,8 @@ static void pmcraid_ioa_reset(struct pmcraid_cmd *cmd)
2002 pinstance->ioa_shutdown_type = SHUTDOWN_NONE; 2250 pinstance->ioa_shutdown_type = SHUTDOWN_NONE;
2003 pinstance->ioa_bringdown = 0; 2251 pinstance->ioa_bringdown = 0;
2004 pinstance->ioa_state = IOA_STATE_UNKNOWN; 2252 pinstance->ioa_state = IOA_STATE_UNKNOWN;
2253 pmcraid_notify_ioastate(pinstance,
2254 PMC_DEVICE_EVENT_SHUTDOWN_SUCCESS);
2005 reset_complete = 1; 2255 reset_complete = 1;
2006 } else { 2256 } else {
2007 /* bring-up IOA, so proceed with soft reset 2257 /* bring-up IOA, so proceed with soft reset
@@ -2051,6 +2301,8 @@ static void pmcraid_ioa_reset(struct pmcraid_cmd *cmd)
2051 */ 2301 */
2052 if (pinstance->ioa_shutdown_type == SHUTDOWN_NONE && 2302 if (pinstance->ioa_shutdown_type == SHUTDOWN_NONE &&
2053 pinstance->force_ioa_reset == 0) { 2303 pinstance->force_ioa_reset == 0) {
2304 pmcraid_notify_ioastate(pinstance,
2305 PMC_DEVICE_EVENT_RESET_SUCCESS);
2054 reset_complete = 1; 2306 reset_complete = 1;
2055 } else { 2307 } else {
2056 if (pinstance->ioa_shutdown_type != SHUTDOWN_NONE) 2308 if (pinstance->ioa_shutdown_type != SHUTDOWN_NONE)
@@ -2116,6 +2368,8 @@ static void pmcraid_initiate_reset(struct pmcraid_instance *pinstance)
2116 pinstance->ioa_shutdown_type = SHUTDOWN_NONE; 2368 pinstance->ioa_shutdown_type = SHUTDOWN_NONE;
2117 pinstance->reset_cmd = cmd; 2369 pinstance->reset_cmd = cmd;
2118 pinstance->force_ioa_reset = 1; 2370 pinstance->force_ioa_reset = 1;
2371 pmcraid_notify_ioastate(pinstance,
2372 PMC_DEVICE_EVENT_RESET_START);
2119 pmcraid_ioa_reset(cmd); 2373 pmcraid_ioa_reset(cmd);
2120 } 2374 }
2121} 2375}
@@ -2191,7 +2445,7 @@ static int pmcraid_reset_reload(
2191 wait_event(pinstance->reset_wait_q, 2445 wait_event(pinstance->reset_wait_q,
2192 !pinstance->ioa_reset_in_progress); 2446 !pinstance->ioa_reset_in_progress);
2193 2447
2194 pmcraid_info("reset_reload: reset is complete !! \n"); 2448 pmcraid_info("reset_reload: reset is complete !!\n");
2195 scsi_unblock_requests(pinstance->host); 2449 scsi_unblock_requests(pinstance->host);
2196 if (pinstance->ioa_state == target_state) 2450 if (pinstance->ioa_state == target_state)
2197 reset = 0; 2451 reset = 0;
@@ -2225,6 +2479,8 @@ static int pmcraid_reset_bringdown(struct pmcraid_instance *pinstance)
2225 */ 2479 */
2226static int pmcraid_reset_bringup(struct pmcraid_instance *pinstance) 2480static int pmcraid_reset_bringup(struct pmcraid_instance *pinstance)
2227{ 2481{
2482 pmcraid_notify_ioastate(pinstance, PMC_DEVICE_EVENT_RESET_START);
2483
2228 return pmcraid_reset_reload(pinstance, 2484 return pmcraid_reset_reload(pinstance,
2229 SHUTDOWN_NONE, 2485 SHUTDOWN_NONE,
2230 IOA_STATE_OPERATIONAL); 2486 IOA_STATE_OPERATIONAL);
@@ -2704,7 +2960,7 @@ static struct pmcraid_cmd *pmcraid_abort_cmd(struct pmcraid_cmd *cmd)
2704 2960
2705 pmcraid_info("command (%d) CDB[0] = %x for %x\n", 2961 pmcraid_info("command (%d) CDB[0] = %x for %x\n",
2706 le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.response_handle) >> 2, 2962 le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.response_handle) >> 2,
2707 cmd->ioa_cb->ioarcb.cdb[0], 2963 cancel_cmd->ioa_cb->ioarcb.cdb[0],
2708 le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.resource_handle)); 2964 le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.resource_handle));
2709 2965
2710 pmcraid_send_cmd(cancel_cmd, 2966 pmcraid_send_cmd(cancel_cmd,
@@ -2729,8 +2985,8 @@ static int pmcraid_abort_complete(struct pmcraid_cmd *cancel_cmd)
2729 u32 ioasc; 2985 u32 ioasc;
2730 2986
2731 wait_for_completion(&cancel_cmd->wait_for_completion); 2987 wait_for_completion(&cancel_cmd->wait_for_completion);
2732 res = cancel_cmd->u.res; 2988 res = cancel_cmd->res;
2733 cancel_cmd->u.res = NULL; 2989 cancel_cmd->res = NULL;
2734 ioasc = le32_to_cpu(cancel_cmd->ioa_cb->ioasa.ioasc); 2990 ioasc = le32_to_cpu(cancel_cmd->ioa_cb->ioasa.ioasc);
2735 2991
2736 /* If the abort task is not timed out we will get a Good completion 2992 /* If the abort task is not timed out we will get a Good completion
@@ -2823,7 +3079,7 @@ static int pmcraid_eh_abort_handler(struct scsi_cmnd *scsi_cmd)
2823 host_lock_flags); 3079 host_lock_flags);
2824 3080
2825 if (cancel_cmd) { 3081 if (cancel_cmd) {
2826 cancel_cmd->u.res = cmd->scsi_cmd->device->hostdata; 3082 cancel_cmd->res = cmd->scsi_cmd->device->hostdata;
2827 rc = pmcraid_abort_complete(cancel_cmd); 3083 rc = pmcraid_abort_complete(cancel_cmd);
2828 } 3084 }
2829 3085
@@ -2842,7 +3098,7 @@ static int pmcraid_eh_abort_handler(struct scsi_cmnd *scsi_cmd)
2842 * takes care by locking/unlocking host_lock. 3098 * takes care by locking/unlocking host_lock.
2843 * 3099 *
2844 * Return value 3100 * Return value
2845 * SUCCESS or FAILED 3101 * SUCCESS or FAILED
2846 */ 3102 */
2847static int pmcraid_eh_device_reset_handler(struct scsi_cmnd *scmd) 3103static int pmcraid_eh_device_reset_handler(struct scsi_cmnd *scmd)
2848{ 3104{
@@ -2879,7 +3135,7 @@ static int pmcraid_eh_target_reset_handler(struct scsi_cmnd *scmd)
2879 * Initiates adapter reset to bring it up to operational state 3135 * Initiates adapter reset to bring it up to operational state
2880 * 3136 *
2881 * Return value 3137 * Return value
2882 * SUCCESS or FAILED 3138 * SUCCESS or FAILED
2883 */ 3139 */
2884static int pmcraid_eh_host_reset_handler(struct scsi_cmnd *scmd) 3140static int pmcraid_eh_host_reset_handler(struct scsi_cmnd *scmd)
2885{ 3141{
@@ -2991,7 +3247,7 @@ pmcraid_init_ioadls(struct pmcraid_cmd *cmd, int sgcount)
2991 * to firmware. This builds ioadl descriptors and sets up ioarcb fields. 3247 * to firmware. This builds ioadl descriptors and sets up ioarcb fields.
2992 * 3248 *
2993 * Return value: 3249 * Return value:
2994 * 0 on success or -1 on failure 3250 * 0 on success or -1 on failure
2995 */ 3251 */
2996static int pmcraid_build_ioadl( 3252static int pmcraid_build_ioadl(
2997 struct pmcraid_instance *pinstance, 3253 struct pmcraid_instance *pinstance,
@@ -3049,7 +3305,7 @@ static int pmcraid_build_ioadl(
3049 * Free a DMA'able memory previously allocated with pmcraid_alloc_sglist 3305 * Free a DMA'able memory previously allocated with pmcraid_alloc_sglist
3050 * 3306 *
3051 * Return value: 3307 * Return value:
3052 * none 3308 * none
3053 */ 3309 */
3054static void pmcraid_free_sglist(struct pmcraid_sglist *sglist) 3310static void pmcraid_free_sglist(struct pmcraid_sglist *sglist)
3055{ 3311{
@@ -3070,7 +3326,7 @@ static void pmcraid_free_sglist(struct pmcraid_sglist *sglist)
3070 * list. 3326 * list.
3071 * 3327 *
3072 * Return value 3328 * Return value
3073 * pointer to sglist / NULL on failure 3329 * pointer to sglist / NULL on failure
3074 */ 3330 */
3075static struct pmcraid_sglist *pmcraid_alloc_sglist(int buflen) 3331static struct pmcraid_sglist *pmcraid_alloc_sglist(int buflen)
3076{ 3332{
@@ -3224,11 +3480,12 @@ static int pmcraid_queuecommand(
3224 struct pmcraid_resource_entry *res; 3480 struct pmcraid_resource_entry *res;
3225 struct pmcraid_ioarcb *ioarcb; 3481 struct pmcraid_ioarcb *ioarcb;
3226 struct pmcraid_cmd *cmd; 3482 struct pmcraid_cmd *cmd;
3483 u32 fw_version;
3227 int rc = 0; 3484 int rc = 0;
3228 3485
3229 pinstance = 3486 pinstance =
3230 (struct pmcraid_instance *)scsi_cmd->device->host->hostdata; 3487 (struct pmcraid_instance *)scsi_cmd->device->host->hostdata;
3231 3488 fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
3232 scsi_cmd->scsi_done = done; 3489 scsi_cmd->scsi_done = done;
3233 res = scsi_cmd->device->hostdata; 3490 res = scsi_cmd->device->hostdata;
3234 scsi_cmd->result = (DID_OK << 16); 3491 scsi_cmd->result = (DID_OK << 16);
@@ -3247,6 +3504,15 @@ static int pmcraid_queuecommand(
3247 if (pinstance->ioa_reset_in_progress) 3504 if (pinstance->ioa_reset_in_progress)
3248 return SCSI_MLQUEUE_HOST_BUSY; 3505 return SCSI_MLQUEUE_HOST_BUSY;
3249 3506
3507 /* Firmware doesn't support SYNCHRONIZE_CACHE command (0x35), complete
3508 * the command here itself with success return
3509 */
3510 if (scsi_cmd->cmnd[0] == SYNCHRONIZE_CACHE) {
3511 pmcraid_info("SYNC_CACHE(0x35), completing in driver itself\n");
3512 scsi_cmd->scsi_done(scsi_cmd);
3513 return 0;
3514 }
3515
3250 /* initialize the command and IOARCB to be sent to IOA */ 3516 /* initialize the command and IOARCB to be sent to IOA */
3251 cmd = pmcraid_get_free_cmd(pinstance); 3517 cmd = pmcraid_get_free_cmd(pinstance);
3252 3518
@@ -3261,6 +3527,13 @@ static int pmcraid_queuecommand(
3261 ioarcb->resource_handle = res->cfg_entry.resource_handle; 3527 ioarcb->resource_handle = res->cfg_entry.resource_handle;
3262 ioarcb->request_type = REQ_TYPE_SCSI; 3528 ioarcb->request_type = REQ_TYPE_SCSI;
3263 3529
3530 /* set hrrq number where the IOA should respond to. Note that all cmds
3531 * generated internally uses hrrq_id 0, exception to this is the cmd
3532 * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
3533 * hrrq_id assigned here in queuecommand
3534 */
3535 ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
3536 pinstance->num_hrrq;
3264 cmd->cmd_done = pmcraid_io_done; 3537 cmd->cmd_done = pmcraid_io_done;
3265 3538
3266 if (RES_IS_GSCSI(res->cfg_entry) || RES_IS_VSET(res->cfg_entry)) { 3539 if (RES_IS_GSCSI(res->cfg_entry) || RES_IS_VSET(res->cfg_entry)) {
@@ -3287,7 +3560,9 @@ static int pmcraid_queuecommand(
3287 RES_IS_VSET(res->cfg_entry) ? PMCRAID_VSET_BUS_ID : 3560 RES_IS_VSET(res->cfg_entry) ? PMCRAID_VSET_BUS_ID :
3288 PMCRAID_PHYS_BUS_ID, 3561 PMCRAID_PHYS_BUS_ID,
3289 RES_IS_VSET(res->cfg_entry) ? 3562 RES_IS_VSET(res->cfg_entry) ?
3290 res->cfg_entry.unique_flags1 : 3563 (fw_version <= PMCRAID_FW_VERSION_1 ?
3564 res->cfg_entry.unique_flags1 :
3565 res->cfg_entry.array_id & 0xFF) :
3291 RES_TARGET(res->cfg_entry.resource_address), 3566 RES_TARGET(res->cfg_entry.resource_address),
3292 RES_LUN(res->cfg_entry.resource_address)); 3567 RES_LUN(res->cfg_entry.resource_address));
3293 3568
@@ -3324,8 +3599,7 @@ static int pmcraid_chr_open(struct inode *inode, struct file *filep)
3324 */ 3599 */
3325static int pmcraid_chr_release(struct inode *inode, struct file *filep) 3600static int pmcraid_chr_release(struct inode *inode, struct file *filep)
3326{ 3601{
3327 struct pmcraid_instance *pinstance = 3602 struct pmcraid_instance *pinstance = filep->private_data;
3328 ((struct pmcraid_instance *)filep->private_data);
3329 3603
3330 filep->private_data = NULL; 3604 filep->private_data = NULL;
3331 fasync_helper(-1, filep, 0, &pinstance->aen_queue); 3605 fasync_helper(-1, filep, 0, &pinstance->aen_queue);
@@ -3344,7 +3618,7 @@ static int pmcraid_chr_fasync(int fd, struct file *filep, int mode)
3344 struct pmcraid_instance *pinstance; 3618 struct pmcraid_instance *pinstance;
3345 int rc; 3619 int rc;
3346 3620
3347 pinstance = (struct pmcraid_instance *)filep->private_data; 3621 pinstance = filep->private_data;
3348 mutex_lock(&pinstance->aen_queue_lock); 3622 mutex_lock(&pinstance->aen_queue_lock);
3349 rc = fasync_helper(fd, filep, mode, &pinstance->aen_queue); 3623 rc = fasync_helper(fd, filep, mode, &pinstance->aen_queue);
3350 mutex_unlock(&pinstance->aen_queue_lock); 3624 mutex_unlock(&pinstance->aen_queue_lock);
@@ -3465,6 +3739,7 @@ static long pmcraid_ioctl_passthrough(
3465 unsigned long request_buffer; 3739 unsigned long request_buffer;
3466 unsigned long request_offset; 3740 unsigned long request_offset;
3467 unsigned long lock_flags; 3741 unsigned long lock_flags;
3742 u32 ioasc;
3468 int request_size; 3743 int request_size;
3469 int buffer_size; 3744 int buffer_size;
3470 u8 access, direction; 3745 u8 access, direction;
@@ -3566,6 +3841,14 @@ static long pmcraid_ioctl_passthrough(
3566 buffer->ioarcb.add_cmd_param_length); 3841 buffer->ioarcb.add_cmd_param_length);
3567 } 3842 }
3568 3843
3844 /* set hrrq number where the IOA should respond to. Note that all cmds
3845 * generated internally uses hrrq_id 0, exception to this is the cmd
3846 * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
3847 * hrrq_id assigned here in queuecommand
3848 */
3849 ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
3850 pinstance->num_hrrq;
3851
3569 if (request_size) { 3852 if (request_size) {
3570 rc = pmcraid_build_passthrough_ioadls(cmd, 3853 rc = pmcraid_build_passthrough_ioadls(cmd,
3571 request_size, 3854 request_size,
@@ -3606,6 +3889,14 @@ static long pmcraid_ioctl_passthrough(
3606 _pmcraid_fire_command(cmd); 3889 _pmcraid_fire_command(cmd);
3607 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags); 3890 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
3608 3891
3892 /* NOTE ! Remove the below line once abort_task is implemented
3893 * in firmware. This line disables ioctl command timeout handling logic
3894 * similar to IO command timeout handling, making ioctl commands to wait
3895 * until the command completion regardless of timeout value specified in
3896 * ioarcb
3897 */
3898 buffer->ioarcb.cmd_timeout = 0;
3899
3609 /* If command timeout is specified put caller to wait till that time, 3900 /* If command timeout is specified put caller to wait till that time,
3610 * otherwise it would be blocking wait. If command gets timed out, it 3901 * otherwise it would be blocking wait. If command gets timed out, it
3611 * will be aborted. 3902 * will be aborted.
@@ -3620,25 +3911,47 @@ static long pmcraid_ioctl_passthrough(
3620 le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle >> 2), 3911 le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle >> 2),
3621 cmd->ioa_cb->ioarcb.cdb[0]); 3912 cmd->ioa_cb->ioarcb.cdb[0]);
3622 3913
3623 rc = -ETIMEDOUT;
3624 spin_lock_irqsave(pinstance->host->host_lock, lock_flags); 3914 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
3625 cancel_cmd = pmcraid_abort_cmd(cmd); 3915 cancel_cmd = pmcraid_abort_cmd(cmd);
3626 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags); 3916 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
3627 3917
3628 if (cancel_cmd) { 3918 if (cancel_cmd) {
3629 wait_for_completion(&cancel_cmd->wait_for_completion); 3919 wait_for_completion(&cancel_cmd->wait_for_completion);
3920 ioasc = cancel_cmd->ioa_cb->ioasa.ioasc;
3630 pmcraid_return_cmd(cancel_cmd); 3921 pmcraid_return_cmd(cancel_cmd);
3922
3923 /* if abort task couldn't find the command i.e it got
3924 * completed prior to aborting, return good completion.
3925 * if command got aborted succesfully or there was IOA
3926 * reset due to abort task itself getting timedout then
3927 * return -ETIMEDOUT
3928 */
3929 if (ioasc == PMCRAID_IOASC_IOA_WAS_RESET ||
3930 PMCRAID_IOASC_SENSE_KEY(ioasc) == 0x00) {
3931 if (ioasc != PMCRAID_IOASC_GC_IOARCB_NOTFOUND)
3932 rc = -ETIMEDOUT;
3933 goto out_handle_response;
3934 }
3631 } 3935 }
3632 3936
3633 goto out_free_sglist; 3937 /* no command block for abort task or abort task failed to abort
3938 * the IOARCB, then wait for 150 more seconds and initiate reset
3939 * sequence after timeout
3940 */
3941 if (!wait_for_completion_timeout(
3942 &cmd->wait_for_completion,
3943 msecs_to_jiffies(150 * 1000))) {
3944 pmcraid_reset_bringup(cmd->drv_inst);
3945 rc = -ETIMEDOUT;
3946 }
3634 } 3947 }
3635 3948
3949out_handle_response:
3636 /* If the command failed for any reason, copy entire IOASA buffer and 3950 /* If the command failed for any reason, copy entire IOASA buffer and
3637 * return IOCTL success. If copying IOASA to user-buffer fails, return 3951 * return IOCTL success. If copying IOASA to user-buffer fails, return
3638 * EFAULT 3952 * EFAULT
3639 */ 3953 */
3640 if (le32_to_cpu(cmd->ioa_cb->ioasa.ioasc)) { 3954 if (PMCRAID_IOASC_SENSE_KEY(le32_to_cpu(cmd->ioa_cb->ioasa.ioasc))) {
3641
3642 void *ioasa = 3955 void *ioasa =
3643 (void *)(arg + 3956 (void *)(arg +
3644 offsetof(struct pmcraid_passthrough_ioctl_buffer, ioasa)); 3957 offsetof(struct pmcraid_passthrough_ioctl_buffer, ioasa));
@@ -3651,6 +3964,7 @@ static long pmcraid_ioctl_passthrough(
3651 rc = -EFAULT; 3964 rc = -EFAULT;
3652 } 3965 }
3653 } 3966 }
3967
3654 /* If the data transfer was from device, copy the data onto user 3968 /* If the data transfer was from device, copy the data onto user
3655 * buffers 3969 * buffers
3656 */ 3970 */
@@ -3699,7 +4013,7 @@ static long pmcraid_ioctl_driver(
3699 int rc = -ENOSYS; 4013 int rc = -ENOSYS;
3700 4014
3701 if (!access_ok(VERIFY_READ, user_buffer, _IOC_SIZE(cmd))) { 4015 if (!access_ok(VERIFY_READ, user_buffer, _IOC_SIZE(cmd))) {
3702 pmcraid_err("ioctl_driver: access fault in request buffer \n"); 4016 pmcraid_err("ioctl_driver: access fault in request buffer\n");
3703 return -EFAULT; 4017 return -EFAULT;
3704 } 4018 }
3705 4019
@@ -3751,12 +4065,6 @@ static int pmcraid_check_ioctl_buffer(
3751 return -EINVAL; 4065 return -EINVAL;
3752 } 4066 }
3753 4067
3754 /* buffer length can't be negetive */
3755 if (hdr->buffer_length < 0) {
3756 pmcraid_err("ioctl: invalid buffer length specified\n");
3757 return -EINVAL;
3758 }
3759
3760 /* check for appropriate buffer access */ 4068 /* check for appropriate buffer access */
3761 if ((_IOC_DIR(cmd) & _IOC_READ) == _IOC_READ) 4069 if ((_IOC_DIR(cmd) & _IOC_READ) == _IOC_READ)
3762 access = VERIFY_WRITE; 4070 access = VERIFY_WRITE;
@@ -3801,7 +4109,7 @@ static long pmcraid_chr_ioctl(
3801 return retval; 4109 return retval;
3802 } 4110 }
3803 4111
3804 pinstance = (struct pmcraid_instance *)filep->private_data; 4112 pinstance = filep->private_data;
3805 4113
3806 if (!pinstance) { 4114 if (!pinstance) {
3807 pmcraid_info("adapter instance is not found\n"); 4115 pmcraid_info("adapter instance is not found\n");
@@ -4017,36 +4325,77 @@ static struct scsi_host_template pmcraid_host_template = {
4017 .proc_name = PMCRAID_DRIVER_NAME 4325 .proc_name = PMCRAID_DRIVER_NAME
4018}; 4326};
4019 4327
4020/** 4328/*
4021 * pmcraid_isr_common - Common interrupt handler routine 4329 * pmcraid_isr_msix - implements MSI-X interrupt handling routine
4022 * 4330 * @irq: interrupt vector number
4023 * @pinstance: pointer to adapter instance 4331 * @dev_id: pointer hrrq_vector
4024 * @intrs: active interrupts (contents of ioa_host_interrupt register)
4025 * @hrrq_id: Host RRQ index
4026 * 4332 *
4027 * Return Value 4333 * Return Value
4028 * none 4334 * IRQ_HANDLED if interrupt is handled or IRQ_NONE if ignored
4029 */ 4335 */
4030static void pmcraid_isr_common( 4336
4031 struct pmcraid_instance *pinstance, 4337static irqreturn_t pmcraid_isr_msix(int irq, void *dev_id)
4032 u32 intrs,
4033 int hrrq_id
4034)
4035{ 4338{
4036 u32 intrs_clear = 4339 struct pmcraid_isr_param *hrrq_vector;
4037 (intrs & INTRS_CRITICAL_OP_IN_PROGRESS) ? intrs 4340 struct pmcraid_instance *pinstance;
4038 : INTRS_HRRQ_VALID; 4341 unsigned long lock_flags;
4039 iowrite32(intrs_clear, 4342 u32 intrs_val;
4040 pinstance->int_regs.ioa_host_interrupt_clr_reg); 4343 int hrrq_id;
4041 intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg); 4344
4345 hrrq_vector = (struct pmcraid_isr_param *)dev_id;
4346 hrrq_id = hrrq_vector->hrrq_id;
4347 pinstance = hrrq_vector->drv_inst;
4348
4349 if (!hrrq_id) {
4350 /* Read the interrupt */
4351 intrs_val = pmcraid_read_interrupts(pinstance);
4352 if (intrs_val &&
4353 ((ioread32(pinstance->int_regs.host_ioa_interrupt_reg)
4354 & DOORBELL_INTR_MSIX_CLR) == 0)) {
4355 /* Any error interrupts including unit_check,
4356 * initiate IOA reset.In case of unit check indicate
4357 * to reset_sequence that IOA unit checked and prepare
4358 * for a dump during reset sequence
4359 */
4360 if (intrs_val & PMCRAID_ERROR_INTERRUPTS) {
4361 if (intrs_val & INTRS_IOA_UNIT_CHECK)
4362 pinstance->ioa_unit_check = 1;
4363
4364 pmcraid_err("ISR: error interrupts: %x \
4365 initiating reset\n", intrs_val);
4366 spin_lock_irqsave(pinstance->host->host_lock,
4367 lock_flags);
4368 pmcraid_initiate_reset(pinstance);
4369 spin_unlock_irqrestore(
4370 pinstance->host->host_lock,
4371 lock_flags);
4372 }
4373 /* If interrupt was as part of the ioa initialization,
4374 * clear it. Delete the timer and wakeup the
4375 * reset engine to proceed with reset sequence
4376 */
4377 if (intrs_val & INTRS_TRANSITION_TO_OPERATIONAL)
4378 pmcraid_clr_trans_op(pinstance);
4379
4380 /* Clear the interrupt register by writing
4381 * to host to ioa doorbell. Once done
4382 * FW will clear the interrupt.
4383 */
4384 iowrite32(DOORBELL_INTR_MSIX_CLR,
4385 pinstance->int_regs.host_ioa_interrupt_reg);
4386 ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
4042 4387
4043 /* hrrq valid bit was set, schedule tasklet to handle the response */ 4388
4044 if (intrs_clear == INTRS_HRRQ_VALID) 4389 }
4045 tasklet_schedule(&(pinstance->isr_tasklet[hrrq_id])); 4390 }
4391
4392 tasklet_schedule(&(pinstance->isr_tasklet[hrrq_id]));
4393
4394 return IRQ_HANDLED;
4046} 4395}
4047 4396
4048/** 4397/**
4049 * pmcraid_isr - implements interrupt handling routine 4398 * pmcraid_isr - implements legacy interrupt handling routine
4050 * 4399 *
4051 * @irq: interrupt vector number 4400 * @irq: interrupt vector number
4052 * @dev_id: pointer hrrq_vector 4401 * @dev_id: pointer hrrq_vector
@@ -4058,8 +4407,9 @@ static irqreturn_t pmcraid_isr(int irq, void *dev_id)
4058{ 4407{
4059 struct pmcraid_isr_param *hrrq_vector; 4408 struct pmcraid_isr_param *hrrq_vector;
4060 struct pmcraid_instance *pinstance; 4409 struct pmcraid_instance *pinstance;
4061 unsigned long lock_flags;
4062 u32 intrs; 4410 u32 intrs;
4411 unsigned long lock_flags;
4412 int hrrq_id = 0;
4063 4413
4064 /* In case of legacy interrupt mode where interrupts are shared across 4414 /* In case of legacy interrupt mode where interrupts are shared across
4065 * isrs, it may be possible that the current interrupt is not from IOA 4415 * isrs, it may be possible that the current interrupt is not from IOA
@@ -4068,21 +4418,13 @@ static irqreturn_t pmcraid_isr(int irq, void *dev_id)
4068 printk(KERN_INFO "%s(): NULL host pointer\n", __func__); 4418 printk(KERN_INFO "%s(): NULL host pointer\n", __func__);
4069 return IRQ_NONE; 4419 return IRQ_NONE;
4070 } 4420 }
4071
4072 hrrq_vector = (struct pmcraid_isr_param *)dev_id; 4421 hrrq_vector = (struct pmcraid_isr_param *)dev_id;
4073 pinstance = hrrq_vector->drv_inst; 4422 pinstance = hrrq_vector->drv_inst;
4074 4423
4075 /* Acquire the lock (currently host_lock) while processing interrupts.
4076 * This interval is small as most of the response processing is done by
4077 * tasklet without the lock.
4078 */
4079 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
4080 intrs = pmcraid_read_interrupts(pinstance); 4424 intrs = pmcraid_read_interrupts(pinstance);
4081 4425
4082 if (unlikely((intrs & PMCRAID_PCI_INTERRUPTS) == 0)) { 4426 if (unlikely((intrs & PMCRAID_PCI_INTERRUPTS) == 0))
4083 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
4084 return IRQ_NONE; 4427 return IRQ_NONE;
4085 }
4086 4428
4087 /* Any error interrupts including unit_check, initiate IOA reset. 4429 /* Any error interrupts including unit_check, initiate IOA reset.
4088 * In case of unit check indicate to reset_sequence that IOA unit 4430 * In case of unit check indicate to reset_sequence that IOA unit
@@ -4097,13 +4439,28 @@ static irqreturn_t pmcraid_isr(int irq, void *dev_id)
4097 pinstance->int_regs.ioa_host_interrupt_clr_reg); 4439 pinstance->int_regs.ioa_host_interrupt_clr_reg);
4098 pmcraid_err("ISR: error interrupts: %x initiating reset\n", 4440 pmcraid_err("ISR: error interrupts: %x initiating reset\n",
4099 intrs); 4441 intrs);
4100 intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg); 4442 intrs = ioread32(
4443 pinstance->int_regs.ioa_host_interrupt_clr_reg);
4444 spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
4101 pmcraid_initiate_reset(pinstance); 4445 pmcraid_initiate_reset(pinstance);
4446 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
4102 } else { 4447 } else {
4103 pmcraid_isr_common(pinstance, intrs, hrrq_vector->hrrq_id); 4448 /* If interrupt was as part of the ioa initialization,
4104 } 4449 * clear. Delete the timer and wakeup the
4450 * reset engine to proceed with reset sequence
4451 */
4452 if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) {
4453 pmcraid_clr_trans_op(pinstance);
4454 } else {
4455 iowrite32(intrs,
4456 pinstance->int_regs.ioa_host_interrupt_clr_reg);
4457 ioread32(
4458 pinstance->int_regs.ioa_host_interrupt_clr_reg);
4105 4459
4106 spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags); 4460 tasklet_schedule(
4461 &(pinstance->isr_tasklet[hrrq_id]));
4462 }
4463 }
4107 4464
4108 return IRQ_HANDLED; 4465 return IRQ_HANDLED;
4109} 4466}
@@ -4126,6 +4483,7 @@ static void pmcraid_worker_function(struct work_struct *workp)
4126 struct scsi_device *sdev; 4483 struct scsi_device *sdev;
4127 unsigned long lock_flags; 4484 unsigned long lock_flags;
4128 unsigned long host_lock_flags; 4485 unsigned long host_lock_flags;
4486 u16 fw_version;
4129 u8 bus, target, lun; 4487 u8 bus, target, lun;
4130 4488
4131 pinstance = container_of(workp, struct pmcraid_instance, worker_q); 4489 pinstance = container_of(workp, struct pmcraid_instance, worker_q);
@@ -4133,6 +4491,8 @@ static void pmcraid_worker_function(struct work_struct *workp)
4133 if (!atomic_read(&pinstance->expose_resources)) 4491 if (!atomic_read(&pinstance->expose_resources))
4134 return; 4492 return;
4135 4493
4494 fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
4495
4136 spin_lock_irqsave(&pinstance->resource_lock, lock_flags); 4496 spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
4137 list_for_each_entry_safe(res, temp, &pinstance->used_res_q, queue) { 4497 list_for_each_entry_safe(res, temp, &pinstance->used_res_q, queue) {
4138 4498
@@ -4172,12 +4532,16 @@ static void pmcraid_worker_function(struct work_struct *workp)
4172 4532
4173 if (res->change_detected == RES_CHANGE_ADD) { 4533 if (res->change_detected == RES_CHANGE_ADD) {
4174 4534
4175 if (!pmcraid_expose_resource(&res->cfg_entry)) 4535 if (!pmcraid_expose_resource(fw_version,
4536 &res->cfg_entry))
4176 continue; 4537 continue;
4177 4538
4178 if (RES_IS_VSET(res->cfg_entry)) { 4539 if (RES_IS_VSET(res->cfg_entry)) {
4179 bus = PMCRAID_VSET_BUS_ID; 4540 bus = PMCRAID_VSET_BUS_ID;
4180 target = res->cfg_entry.unique_flags1; 4541 if (fw_version <= PMCRAID_FW_VERSION_1)
4542 target = res->cfg_entry.unique_flags1;
4543 else
4544 target = res->cfg_entry.array_id & 0xFF;
4181 lun = PMCRAID_VSET_LUN_ID; 4545 lun = PMCRAID_VSET_LUN_ID;
4182 } else { 4546 } else {
4183 bus = PMCRAID_PHYS_BUS_ID; 4547 bus = PMCRAID_PHYS_BUS_ID;
@@ -4207,7 +4571,7 @@ static void pmcraid_worker_function(struct work_struct *workp)
4207 * Return Value 4571 * Return Value
4208 * None 4572 * None
4209 */ 4573 */
4210void pmcraid_tasklet_function(unsigned long instance) 4574static void pmcraid_tasklet_function(unsigned long instance)
4211{ 4575{
4212 struct pmcraid_isr_param *hrrq_vector; 4576 struct pmcraid_isr_param *hrrq_vector;
4213 struct pmcraid_instance *pinstance; 4577 struct pmcraid_instance *pinstance;
@@ -4216,35 +4580,12 @@ void pmcraid_tasklet_function(unsigned long instance)
4216 unsigned long host_lock_flags; 4580 unsigned long host_lock_flags;
4217 spinlock_t *lockp; /* hrrq buffer lock */ 4581 spinlock_t *lockp; /* hrrq buffer lock */
4218 int id; 4582 int id;
4219 u32 intrs;
4220 __le32 resp; 4583 __le32 resp;
4221 4584
4222 hrrq_vector = (struct pmcraid_isr_param *)instance; 4585 hrrq_vector = (struct pmcraid_isr_param *)instance;
4223 pinstance = hrrq_vector->drv_inst; 4586 pinstance = hrrq_vector->drv_inst;
4224 id = hrrq_vector->hrrq_id; 4587 id = hrrq_vector->hrrq_id;
4225 lockp = &(pinstance->hrrq_lock[id]); 4588 lockp = &(pinstance->hrrq_lock[id]);
4226 intrs = pmcraid_read_interrupts(pinstance);
4227
4228 /* If interrupts was as part of the ioa initialization, clear and mask
4229 * it. Delete the timer and wakeup the reset engine to proceed with
4230 * reset sequence
4231 */
4232 if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) {
4233 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
4234 pinstance->int_regs.ioa_host_interrupt_mask_reg);
4235 iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
4236 pinstance->int_regs.ioa_host_interrupt_clr_reg);
4237
4238 if (pinstance->reset_cmd != NULL) {
4239 del_timer(&pinstance->reset_cmd->timer);
4240 spin_lock_irqsave(pinstance->host->host_lock,
4241 host_lock_flags);
4242 pinstance->reset_cmd->cmd_done(pinstance->reset_cmd);
4243 spin_unlock_irqrestore(pinstance->host->host_lock,
4244 host_lock_flags);
4245 }
4246 return;
4247 }
4248 4589
4249 /* loop through each of the commands responded by IOA. Each HRRQ buf is 4590 /* loop through each of the commands responded by IOA. Each HRRQ buf is
4250 * protected by its own lock. Traversals must be done within this lock 4591 * protected by its own lock. Traversals must be done within this lock
@@ -4262,27 +4603,6 @@ void pmcraid_tasklet_function(unsigned long instance)
4262 int cmd_index = resp >> 2; 4603 int cmd_index = resp >> 2;
4263 struct pmcraid_cmd *cmd = NULL; 4604 struct pmcraid_cmd *cmd = NULL;
4264 4605
4265 if (cmd_index < PMCRAID_MAX_CMD) {
4266 cmd = pinstance->cmd_list[cmd_index];
4267 } else {
4268 /* In case of invalid response handle, initiate IOA
4269 * reset sequence.
4270 */
4271 spin_unlock_irqrestore(lockp, hrrq_lock_flags);
4272
4273 pmcraid_err("Invalid response %d initiating reset\n",
4274 cmd_index);
4275
4276 spin_lock_irqsave(pinstance->host->host_lock,
4277 host_lock_flags);
4278 pmcraid_initiate_reset(pinstance);
4279 spin_unlock_irqrestore(pinstance->host->host_lock,
4280 host_lock_flags);
4281
4282 spin_lock_irqsave(lockp, hrrq_lock_flags);
4283 break;
4284 }
4285
4286 if (pinstance->hrrq_curr[id] < pinstance->hrrq_end[id]) { 4606 if (pinstance->hrrq_curr[id] < pinstance->hrrq_end[id]) {
4287 pinstance->hrrq_curr[id]++; 4607 pinstance->hrrq_curr[id]++;
4288 } else { 4608 } else {
@@ -4290,6 +4610,14 @@ void pmcraid_tasklet_function(unsigned long instance)
4290 pinstance->host_toggle_bit[id] ^= 1u; 4610 pinstance->host_toggle_bit[id] ^= 1u;
4291 } 4611 }
4292 4612
4613 if (cmd_index >= PMCRAID_MAX_CMD) {
4614 /* In case of invalid response handle, log message */
4615 pmcraid_err("Invalid response handle %d\n", cmd_index);
4616 resp = le32_to_cpu(*(pinstance->hrrq_curr[id]));
4617 continue;
4618 }
4619
4620 cmd = pinstance->cmd_list[cmd_index];
4293 spin_unlock_irqrestore(lockp, hrrq_lock_flags); 4621 spin_unlock_irqrestore(lockp, hrrq_lock_flags);
4294 4622
4295 spin_lock_irqsave(&pinstance->pending_pool_lock, 4623 spin_lock_irqsave(&pinstance->pending_pool_lock,
@@ -4330,7 +4658,16 @@ void pmcraid_tasklet_function(unsigned long instance)
4330static 4658static
4331void pmcraid_unregister_interrupt_handler(struct pmcraid_instance *pinstance) 4659void pmcraid_unregister_interrupt_handler(struct pmcraid_instance *pinstance)
4332{ 4660{
4333 free_irq(pinstance->pdev->irq, &(pinstance->hrrq_vector[0])); 4661 int i;
4662
4663 for (i = 0; i < pinstance->num_hrrq; i++)
4664 free_irq(pinstance->hrrq_vector[i].vector,
4665 &(pinstance->hrrq_vector[i]));
4666
4667 if (pinstance->interrupt_mode) {
4668 pci_disable_msix(pinstance->pdev);
4669 pinstance->interrupt_mode = 0;
4670 }
4334} 4671}
4335 4672
4336/** 4673/**
@@ -4343,14 +4680,70 @@ void pmcraid_unregister_interrupt_handler(struct pmcraid_instance *pinstance)
4343static int 4680static int
4344pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance) 4681pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance)
4345{ 4682{
4683 int rc;
4346 struct pci_dev *pdev = pinstance->pdev; 4684 struct pci_dev *pdev = pinstance->pdev;
4347 4685
4686 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
4687 int num_hrrq = PMCRAID_NUM_MSIX_VECTORS;
4688 struct msix_entry entries[PMCRAID_NUM_MSIX_VECTORS];
4689 int i;
4690 for (i = 0; i < PMCRAID_NUM_MSIX_VECTORS; i++)
4691 entries[i].entry = i;
4692
4693 rc = pci_enable_msix(pdev, entries, num_hrrq);
4694 if (rc < 0)
4695 goto pmcraid_isr_legacy;
4696
4697 /* Check how many MSIX vectors are allocated and register
4698 * msi-x handlers for each of them giving appropriate buffer
4699 */
4700 if (rc > 0) {
4701 num_hrrq = rc;
4702 if (pci_enable_msix(pdev, entries, num_hrrq))
4703 goto pmcraid_isr_legacy;
4704 }
4705
4706 for (i = 0; i < num_hrrq; i++) {
4707 pinstance->hrrq_vector[i].hrrq_id = i;
4708 pinstance->hrrq_vector[i].drv_inst = pinstance;
4709 pinstance->hrrq_vector[i].vector = entries[i].vector;
4710 rc = request_irq(pinstance->hrrq_vector[i].vector,
4711 pmcraid_isr_msix, 0,
4712 PMCRAID_DRIVER_NAME,
4713 &(pinstance->hrrq_vector[i]));
4714
4715 if (rc) {
4716 int j;
4717 for (j = 0; j < i; j++)
4718 free_irq(entries[j].vector,
4719 &(pinstance->hrrq_vector[j]));
4720 pci_disable_msix(pdev);
4721 goto pmcraid_isr_legacy;
4722 }
4723 }
4724
4725 pinstance->num_hrrq = num_hrrq;
4726 pinstance->interrupt_mode = 1;
4727 iowrite32(DOORBELL_INTR_MODE_MSIX,
4728 pinstance->int_regs.host_ioa_interrupt_reg);
4729 ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
4730 goto pmcraid_isr_out;
4731 }
4732
4733pmcraid_isr_legacy:
4734 /* If MSI-X registration failed fallback to legacy mode, where
4735 * only one hrrq entry will be used
4736 */
4348 pinstance->hrrq_vector[0].hrrq_id = 0; 4737 pinstance->hrrq_vector[0].hrrq_id = 0;
4349 pinstance->hrrq_vector[0].drv_inst = pinstance; 4738 pinstance->hrrq_vector[0].drv_inst = pinstance;
4350 pinstance->hrrq_vector[0].vector = 0; 4739 pinstance->hrrq_vector[0].vector = pdev->irq;
4351 pinstance->num_hrrq = 1; 4740 pinstance->num_hrrq = 1;
4352 return request_irq(pdev->irq, pmcraid_isr, IRQF_SHARED, 4741 rc = 0;
4353 PMCRAID_DRIVER_NAME, &pinstance->hrrq_vector[0]); 4742
4743 rc = request_irq(pdev->irq, pmcraid_isr, IRQF_SHARED,
4744 PMCRAID_DRIVER_NAME, &pinstance->hrrq_vector[0]);
4745pmcraid_isr_out:
4746 return rc;
4354} 4747}
4355 4748
4356/** 4749/**
@@ -4522,12 +4915,11 @@ pmcraid_release_host_rrqs(struct pmcraid_instance *pinstance, int maxindex)
4522static int __devinit 4915static int __devinit
4523pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance) 4916pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance)
4524{ 4917{
4525 int i; 4918 int i, buffer_size;
4526 int buf_count = PMCRAID_MAX_CMD / pinstance->num_hrrq;
4527 4919
4528 for (i = 0; i < pinstance->num_hrrq; i++) { 4920 buffer_size = HRRQ_ENTRY_SIZE * PMCRAID_MAX_CMD;
4529 int buffer_size = HRRQ_ENTRY_SIZE * buf_count;
4530 4921
4922 for (i = 0; i < pinstance->num_hrrq; i++) {
4531 pinstance->hrrq_start[i] = 4923 pinstance->hrrq_start[i] =
4532 pci_alloc_consistent( 4924 pci_alloc_consistent(
4533 pinstance->pdev, 4925 pinstance->pdev,
@@ -4535,7 +4927,8 @@ pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance)
4535 &(pinstance->hrrq_start_bus_addr[i])); 4927 &(pinstance->hrrq_start_bus_addr[i]));
4536 4928
4537 if (pinstance->hrrq_start[i] == 0) { 4929 if (pinstance->hrrq_start[i] == 0) {
4538 pmcraid_err("could not allocate host rrq: %d\n", i); 4930 pmcraid_err("pci_alloc failed for hrrq vector : %d\n",
4931 i);
4539 pmcraid_release_host_rrqs(pinstance, i); 4932 pmcraid_release_host_rrqs(pinstance, i);
4540 return -ENOMEM; 4933 return -ENOMEM;
4541 } 4934 }
@@ -4543,7 +4936,7 @@ pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance)
4543 memset(pinstance->hrrq_start[i], 0, buffer_size); 4936 memset(pinstance->hrrq_start[i], 0, buffer_size);
4544 pinstance->hrrq_curr[i] = pinstance->hrrq_start[i]; 4937 pinstance->hrrq_curr[i] = pinstance->hrrq_start[i];
4545 pinstance->hrrq_end[i] = 4938 pinstance->hrrq_end[i] =
4546 pinstance->hrrq_start[i] + buf_count - 1; 4939 pinstance->hrrq_start[i] + PMCRAID_MAX_CMD - 1;
4547 pinstance->host_toggle_bit[i] = 1; 4940 pinstance->host_toggle_bit[i] = 1;
4548 spin_lock_init(&pinstance->hrrq_lock[i]); 4941 spin_lock_init(&pinstance->hrrq_lock[i]);
4549 } 4942 }
@@ -4563,7 +4956,7 @@ static void pmcraid_release_hcams(struct pmcraid_instance *pinstance)
4563 if (pinstance->ccn.msg != NULL) { 4956 if (pinstance->ccn.msg != NULL) {
4564 pci_free_consistent(pinstance->pdev, 4957 pci_free_consistent(pinstance->pdev,
4565 PMCRAID_AEN_HDR_SIZE + 4958 PMCRAID_AEN_HDR_SIZE +
4566 sizeof(struct pmcraid_hcam_ccn), 4959 sizeof(struct pmcraid_hcam_ccn_ext),
4567 pinstance->ccn.msg, 4960 pinstance->ccn.msg,
4568 pinstance->ccn.baddr); 4961 pinstance->ccn.baddr);
4569 4962
@@ -4597,7 +4990,7 @@ static int pmcraid_allocate_hcams(struct pmcraid_instance *pinstance)
4597 pinstance->ccn.msg = pci_alloc_consistent( 4990 pinstance->ccn.msg = pci_alloc_consistent(
4598 pinstance->pdev, 4991 pinstance->pdev,
4599 PMCRAID_AEN_HDR_SIZE + 4992 PMCRAID_AEN_HDR_SIZE +
4600 sizeof(struct pmcraid_hcam_ccn), 4993 sizeof(struct pmcraid_hcam_ccn_ext),
4601 &(pinstance->ccn.baddr)); 4994 &(pinstance->ccn.baddr));
4602 4995
4603 pinstance->ldn.msg = pci_alloc_consistent( 4996 pinstance->ldn.msg = pci_alloc_consistent(
@@ -4730,6 +5123,32 @@ static void pmcraid_kill_tasklets(struct pmcraid_instance *pinstance)
4730} 5123}
4731 5124
4732/** 5125/**
5126 * pmcraid_release_buffers - release per-adapter buffers allocated
5127 *
5128 * @pinstance: pointer to adapter soft state
5129 *
5130 * Return Value
5131 * none
5132 */
5133static void pmcraid_release_buffers(struct pmcraid_instance *pinstance)
5134{
5135 pmcraid_release_config_buffers(pinstance);
5136 pmcraid_release_control_blocks(pinstance, PMCRAID_MAX_CMD);
5137 pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD);
5138 pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
5139
5140 if (pinstance->inq_data != NULL) {
5141 pci_free_consistent(pinstance->pdev,
5142 sizeof(struct pmcraid_inquiry_data),
5143 pinstance->inq_data,
5144 pinstance->inq_data_baddr);
5145
5146 pinstance->inq_data = NULL;
5147 pinstance->inq_data_baddr = 0;
5148 }
5149}
5150
5151/**
4733 * pmcraid_init_buffers - allocates memory and initializes various structures 5152 * pmcraid_init_buffers - allocates memory and initializes various structures
4734 * @pinstance: pointer to per adapter instance structure 5153 * @pinstance: pointer to per adapter instance structure
4735 * 5154 *
@@ -4759,20 +5178,32 @@ static int __devinit pmcraid_init_buffers(struct pmcraid_instance *pinstance)
4759 } 5178 }
4760 5179
4761 if (pmcraid_allocate_cmd_blocks(pinstance)) { 5180 if (pmcraid_allocate_cmd_blocks(pinstance)) {
4762 pmcraid_err("couldn't allocate memory for cmd blocks \n"); 5181 pmcraid_err("couldn't allocate memory for cmd blocks\n");
4763 pmcraid_release_config_buffers(pinstance); 5182 pmcraid_release_config_buffers(pinstance);
4764 pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq); 5183 pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
4765 return -ENOMEM; 5184 return -ENOMEM;
4766 } 5185 }
4767 5186
4768 if (pmcraid_allocate_control_blocks(pinstance)) { 5187 if (pmcraid_allocate_control_blocks(pinstance)) {
4769 pmcraid_err("couldn't allocate memory control blocks \n"); 5188 pmcraid_err("couldn't allocate memory control blocks\n");
4770 pmcraid_release_config_buffers(pinstance); 5189 pmcraid_release_config_buffers(pinstance);
4771 pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD); 5190 pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD);
4772 pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq); 5191 pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
4773 return -ENOMEM; 5192 return -ENOMEM;
4774 } 5193 }
4775 5194
5195 /* allocate DMAable memory for page D0 INQUIRY buffer */
5196 pinstance->inq_data = pci_alloc_consistent(
5197 pinstance->pdev,
5198 sizeof(struct pmcraid_inquiry_data),
5199 &pinstance->inq_data_baddr);
5200
5201 if (pinstance->inq_data == NULL) {
5202 pmcraid_err("couldn't allocate DMA memory for INQUIRY\n");
5203 pmcraid_release_buffers(pinstance);
5204 return -ENOMEM;
5205 }
5206
4776 /* Initialize all the command blocks and add them to free pool. No 5207 /* Initialize all the command blocks and add them to free pool. No
4777 * need to lock (free_pool_lock) as this is done in initialization 5208 * need to lock (free_pool_lock) as this is done in initialization
4778 * itself 5209 * itself
@@ -4791,7 +5222,7 @@ static int __devinit pmcraid_init_buffers(struct pmcraid_instance *pinstance)
4791 * pmcraid_reinit_buffers - resets various buffer pointers 5222 * pmcraid_reinit_buffers - resets various buffer pointers
4792 * @pinstance: pointer to adapter instance 5223 * @pinstance: pointer to adapter instance
4793 * Return value 5224 * Return value
4794 * none 5225 * none
4795 */ 5226 */
4796static void pmcraid_reinit_buffers(struct pmcraid_instance *pinstance) 5227static void pmcraid_reinit_buffers(struct pmcraid_instance *pinstance)
4797{ 5228{
@@ -4842,6 +5273,8 @@ static int __devinit pmcraid_init_instance(
4842 mapped_pci_addr + chip_cfg->ioa_host_intr; 5273 mapped_pci_addr + chip_cfg->ioa_host_intr;
4843 pint_regs->ioa_host_interrupt_clr_reg = 5274 pint_regs->ioa_host_interrupt_clr_reg =
4844 mapped_pci_addr + chip_cfg->ioa_host_intr_clr; 5275 mapped_pci_addr + chip_cfg->ioa_host_intr_clr;
5276 pint_regs->ioa_host_msix_interrupt_reg =
5277 mapped_pci_addr + chip_cfg->ioa_host_msix_intr;
4845 pint_regs->host_ioa_interrupt_reg = 5278 pint_regs->host_ioa_interrupt_reg =
4846 mapped_pci_addr + chip_cfg->host_ioa_intr; 5279 mapped_pci_addr + chip_cfg->host_ioa_intr;
4847 pint_regs->host_ioa_interrupt_clr_reg = 5280 pint_regs->host_ioa_interrupt_clr_reg =
@@ -4864,6 +5297,7 @@ static int __devinit pmcraid_init_instance(
4864 init_waitqueue_head(&pinstance->reset_wait_q); 5297 init_waitqueue_head(&pinstance->reset_wait_q);
4865 5298
4866 atomic_set(&pinstance->outstanding_cmds, 0); 5299 atomic_set(&pinstance->outstanding_cmds, 0);
5300 atomic_set(&pinstance->last_message_id, 0);
4867 atomic_set(&pinstance->expose_resources, 0); 5301 atomic_set(&pinstance->expose_resources, 0);
4868 5302
4869 INIT_LIST_HEAD(&pinstance->free_res_q); 5303 INIT_LIST_HEAD(&pinstance->free_res_q);
@@ -4889,23 +5323,6 @@ static int __devinit pmcraid_init_instance(
4889} 5323}
4890 5324
4891/** 5325/**
4892 * pmcraid_release_buffers - release per-adapter buffers allocated
4893 *
4894 * @pinstance: pointer to adapter soft state
4895 *
4896 * Return Value
4897 * none
4898 */
4899static void pmcraid_release_buffers(struct pmcraid_instance *pinstance)
4900{
4901 pmcraid_release_config_buffers(pinstance);
4902 pmcraid_release_control_blocks(pinstance, PMCRAID_MAX_CMD);
4903 pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD);
4904 pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
4905
4906}
4907
4908/**
4909 * pmcraid_shutdown - shutdown adapter controller. 5326 * pmcraid_shutdown - shutdown adapter controller.
4910 * @pdev: pci device struct 5327 * @pdev: pci device struct
4911 * 5328 *
@@ -4964,7 +5381,7 @@ static int pmcraid_setup_chrdev(struct pmcraid_instance *pinstance)
4964 pmcraid_release_minor(minor); 5381 pmcraid_release_minor(minor);
4965 else 5382 else
4966 device_create(pmcraid_class, NULL, MKDEV(pmcraid_major, minor), 5383 device_create(pmcraid_class, NULL, MKDEV(pmcraid_major, minor),
4967 NULL, "pmcsas%u", minor); 5384 NULL, "%s%u", PMCRAID_DEVFILE, minor);
4968 return error; 5385 return error;
4969} 5386}
4970 5387
@@ -5056,7 +5473,6 @@ static int pmcraid_resume(struct pci_dev *pdev)
5056 struct pmcraid_instance *pinstance = pci_get_drvdata(pdev); 5473 struct pmcraid_instance *pinstance = pci_get_drvdata(pdev);
5057 struct Scsi_Host *host = pinstance->host; 5474 struct Scsi_Host *host = pinstance->host;
5058 int rc; 5475 int rc;
5059 int hrrqs;
5060 5476
5061 pci_set_power_state(pdev, PCI_D0); 5477 pci_set_power_state(pdev, PCI_D0);
5062 pci_enable_wake(pdev, PCI_D0, 0); 5478 pci_enable_wake(pdev, PCI_D0, 0);
@@ -5083,8 +5499,8 @@ static int pmcraid_resume(struct pci_dev *pdev)
5083 goto disable_device; 5499 goto disable_device;
5084 } 5500 }
5085 5501
5502 pmcraid_disable_interrupts(pinstance, ~0);
5086 atomic_set(&pinstance->outstanding_cmds, 0); 5503 atomic_set(&pinstance->outstanding_cmds, 0);
5087 hrrqs = pinstance->num_hrrq;
5088 rc = pmcraid_register_interrupt_handler(pinstance); 5504 rc = pmcraid_register_interrupt_handler(pinstance);
5089 5505
5090 if (rc) { 5506 if (rc) {
@@ -5106,7 +5522,7 @@ static int pmcraid_resume(struct pci_dev *pdev)
5106 * state. 5522 * state.
5107 */ 5523 */
5108 if (pmcraid_reset_bringup(pinstance)) { 5524 if (pmcraid_reset_bringup(pinstance)) {
5109 dev_err(&pdev->dev, "couldn't initialize IOA \n"); 5525 dev_err(&pdev->dev, "couldn't initialize IOA\n");
5110 rc = -ENODEV; 5526 rc = -ENODEV;
5111 goto release_tasklets; 5527 goto release_tasklets;
5112 } 5528 }
@@ -5114,6 +5530,7 @@ static int pmcraid_resume(struct pci_dev *pdev)
5114 return 0; 5530 return 0;
5115 5531
5116release_tasklets: 5532release_tasklets:
5533 pmcraid_disable_interrupts(pinstance, ~0);
5117 pmcraid_kill_tasklets(pinstance); 5534 pmcraid_kill_tasklets(pinstance);
5118 pmcraid_unregister_interrupt_handler(pinstance); 5535 pmcraid_unregister_interrupt_handler(pinstance);
5119 5536
@@ -5135,7 +5552,7 @@ disable_device:
5135 5552
5136/** 5553/**
5137 * pmcraid_complete_ioa_reset - Called by either timer or tasklet during 5554 * pmcraid_complete_ioa_reset - Called by either timer or tasklet during
5138 * completion of the ioa reset 5555 * completion of the ioa reset
5139 * @cmd: pointer to reset command block 5556 * @cmd: pointer to reset command block
5140 */ 5557 */
5141static void pmcraid_complete_ioa_reset(struct pmcraid_cmd *cmd) 5558static void pmcraid_complete_ioa_reset(struct pmcraid_cmd *cmd)
@@ -5210,11 +5627,14 @@ static void pmcraid_init_res_table(struct pmcraid_cmd *cmd)
5210 struct pmcraid_config_table_entry *cfgte; 5627 struct pmcraid_config_table_entry *cfgte;
5211 unsigned long lock_flags; 5628 unsigned long lock_flags;
5212 int found, rc, i; 5629 int found, rc, i;
5630 u16 fw_version;
5213 LIST_HEAD(old_res); 5631 LIST_HEAD(old_res);
5214 5632
5215 if (pinstance->cfg_table->flags & MICROCODE_UPDATE_REQUIRED) 5633 if (pinstance->cfg_table->flags & MICROCODE_UPDATE_REQUIRED)
5216 pmcraid_err("IOA requires microcode download\n"); 5634 pmcraid_err("IOA requires microcode download\n");
5217 5635
5636 fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
5637
5218 /* resource list is protected by pinstance->resource_lock. 5638 /* resource list is protected by pinstance->resource_lock.
5219 * init_res_table can be called from probe (user-thread) or runtime 5639 * init_res_table can be called from probe (user-thread) or runtime
5220 * reset (timer/tasklet) 5640 * reset (timer/tasklet)
@@ -5225,9 +5645,14 @@ static void pmcraid_init_res_table(struct pmcraid_cmd *cmd)
5225 list_move_tail(&res->queue, &old_res); 5645 list_move_tail(&res->queue, &old_res);
5226 5646
5227 for (i = 0; i < pinstance->cfg_table->num_entries; i++) { 5647 for (i = 0; i < pinstance->cfg_table->num_entries; i++) {
5228 cfgte = &pinstance->cfg_table->entries[i]; 5648 if (be16_to_cpu(pinstance->inq_data->fw_version) <=
5649 PMCRAID_FW_VERSION_1)
5650 cfgte = &pinstance->cfg_table->entries[i];
5651 else
5652 cfgte = (struct pmcraid_config_table_entry *)
5653 &pinstance->cfg_table->entries_ext[i];
5229 5654
5230 if (!pmcraid_expose_resource(cfgte)) 5655 if (!pmcraid_expose_resource(fw_version, cfgte))
5231 continue; 5656 continue;
5232 5657
5233 found = 0; 5658 found = 0;
@@ -5269,10 +5694,12 @@ static void pmcraid_init_res_table(struct pmcraid_cmd *cmd)
5269 */ 5694 */
5270 if (found) { 5695 if (found) {
5271 memcpy(&res->cfg_entry, cfgte, 5696 memcpy(&res->cfg_entry, cfgte,
5272 sizeof(struct pmcraid_config_table_entry)); 5697 pinstance->config_table_entry_size);
5273 pmcraid_info("New res type:%x, vset:%x, addr:%x:\n", 5698 pmcraid_info("New res type:%x, vset:%x, addr:%x:\n",
5274 res->cfg_entry.resource_type, 5699 res->cfg_entry.resource_type,
5275 res->cfg_entry.unique_flags1, 5700 (fw_version <= PMCRAID_FW_VERSION_1 ?
5701 res->cfg_entry.unique_flags1 :
5702 res->cfg_entry.array_id & 0xFF),
5276 le32_to_cpu(res->cfg_entry.resource_address)); 5703 le32_to_cpu(res->cfg_entry.resource_address));
5277 } 5704 }
5278 } 5705 }
@@ -5312,6 +5739,14 @@ static void pmcraid_querycfg(struct pmcraid_cmd *cmd)
5312 struct pmcraid_instance *pinstance = cmd->drv_inst; 5739 struct pmcraid_instance *pinstance = cmd->drv_inst;
5313 int cfg_table_size = cpu_to_be32(sizeof(struct pmcraid_config_table)); 5740 int cfg_table_size = cpu_to_be32(sizeof(struct pmcraid_config_table));
5314 5741
5742 if (be16_to_cpu(pinstance->inq_data->fw_version) <=
5743 PMCRAID_FW_VERSION_1)
5744 pinstance->config_table_entry_size =
5745 sizeof(struct pmcraid_config_table_entry);
5746 else
5747 pinstance->config_table_entry_size =
5748 sizeof(struct pmcraid_config_table_entry_ext);
5749
5315 ioarcb->request_type = REQ_TYPE_IOACMD; 5750 ioarcb->request_type = REQ_TYPE_IOACMD;
5316 ioarcb->resource_handle = cpu_to_le32(PMCRAID_IOA_RES_HANDLE); 5751 ioarcb->resource_handle = cpu_to_le32(PMCRAID_IOA_RES_HANDLE);
5317 5752
@@ -5344,7 +5779,7 @@ static void pmcraid_querycfg(struct pmcraid_cmd *cmd)
5344 5779
5345 5780
5346/** 5781/**
5347 * pmcraid_probe - PCI probe entry pointer for PMC MaxRaid controller driver 5782 * pmcraid_probe - PCI probe entry pointer for PMC MaxRAID controller driver
5348 * @pdev: pointer to pci device structure 5783 * @pdev: pointer to pci device structure
5349 * @dev_id: pointer to device ids structure 5784 * @dev_id: pointer to device ids structure
5350 * 5785 *
@@ -5491,7 +5926,7 @@ static int __devinit pmcraid_probe(
5491 */ 5926 */
5492 pmcraid_info("starting IOA initialization sequence\n"); 5927 pmcraid_info("starting IOA initialization sequence\n");
5493 if (pmcraid_reset_bringup(pinstance)) { 5928 if (pmcraid_reset_bringup(pinstance)) {
5494 dev_err(&pdev->dev, "couldn't initialize IOA \n"); 5929 dev_err(&pdev->dev, "couldn't initialize IOA\n");
5495 rc = 1; 5930 rc = 1;
5496 goto out_release_bufs; 5931 goto out_release_bufs;
5497 } 5932 }
generated by cgit v1.2.2 (git 2.25.0) at 2025-05-04 10:01:45 -0400