diff options
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 456 |
1 files changed, 423 insertions, 33 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 672df79d7e3..0ddfc21e9f7 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -57,6 +57,7 @@ #include <linux/dma-mapping.h> #include <linux/timer.h> #include <linux/pci.h> +#include <linux/aer.h> #include <asm/dma.h> #include <asm/io.h> #include <asm/system.h> @@ -71,7 +72,7 @@ #include "arcmsr.h" MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>"); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx) SATA RAID HOST Adapter"); +MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); @@ -93,7 +94,9 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb); static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); - +static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, + pci_channel_state_t state); +static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev); static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) { if (queue_depth > ARCMSR_MAX_CMD_PERLUN) @@ -104,7 +107,8 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_de static struct scsi_host_template arcmsr_scsi_host_template = { .module = THIS_MODULE, - .name = "ARCMSR ARECA SATA RAID HOST Adapter" ARCMSR_DRIVER_VERSION, + .name = "ARCMSR ARECA SATA/SAS RAID HOST Adapter" + ARCMSR_DRIVER_VERSION, .info = arcmsr_info, .queuecommand = arcmsr_queue_command, .eh_abort_handler = arcmsr_abort, @@ -119,6 +123,10 @@ static struct scsi_host_template arcmsr_scsi_host_template = { .use_clustering = ENABLE_CLUSTERING, .shost_attrs = arcmsr_host_attrs, }; +static struct pci_error_handlers arcmsr_pci_error_handlers = { + .error_detected = arcmsr_pci_error_detected, + .slot_reset = arcmsr_pci_slot_reset, +}; static struct pci_device_id arcmsr_device_id_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)}, @@ -144,7 +152,8 @@ static struct pci_driver arcmsr_pci_driver = { .id_table = arcmsr_device_id_table, .probe = arcmsr_probe, .remove = arcmsr_remove, - .shutdown = arcmsr_shutdown + .shutdown = arcmsr_shutdown, + .err_handler = &arcmsr_pci_error_handlers, }; static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) @@ -328,6 +337,8 @@ static int arcmsr_probe(struct pci_dev *pdev, arcmsr_iop_init(acb); pci_set_drvdata(pdev, host); + if (strncmp(acb->firm_version, "V1.42", 5) >= 0) + host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B; error = scsi_add_host(host, &pdev->dev); if (error) @@ -338,6 +349,7 @@ static int arcmsr_probe(struct pci_dev *pdev, goto out_free_sysfs; scsi_scan_host(host); + pci_enable_pcie_error_reporting(pdev); return 0; out_free_sysfs: out_free_irq: @@ -488,7 +500,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg=acb->pmu; + struct MessageUnit __iomem *reg = acb->pmu; writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); if (arcmsr_wait_msgint_ready(acb)) @@ -718,7 +730,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) int id, lun; /* **************************************************************** - ** areca cdb command done + ** areca cdb command done **************************************************************** */ while (1) { @@ -729,20 +741,20 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) (flag_ccb << 5)); if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { if (ccb->startdone == ARCMSR_CCB_ABORTED) { - struct scsi_cmnd *abortcmd=ccb->pcmd; + struct scsi_cmnd *abortcmd = ccb->pcmd; if (abortcmd) { abortcmd->result |= DID_ABORT >> 16; arcmsr_ccb_complete(ccb, 1); printk(KERN_NOTICE - "arcmsr%d: ccb='0x%p' isr got aborted command \n" + "arcmsr%d: ccb ='0x%p' isr got aborted command \n" , acb->host->host_no, ccb); } continue; } printk(KERN_NOTICE - "arcmsr%d: isr get an illegal ccb command done acb='0x%p'" - "ccb='0x%p' ccbacb='0x%p' startdone = 0x%x" - " ccboutstandingcount=%d \n" + "arcmsr%d: isr get an illegal ccb command done acb = '0x%p'" + "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x" + " ccboutstandingcount = %d \n" , acb->host->host_no , acb , ccb @@ -762,7 +774,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) switch(ccb->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_TIME_OUT << 16; + ccb->pcmd->result = DID_NO_CONNECT << 16; arcmsr_ccb_complete(ccb, 1); } break; @@ -781,8 +793,8 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) break; default: printk(KERN_NOTICE - "arcmsr%d: scsi id=%d lun=%d" - " isr get command error done," + "arcmsr%d: scsi id = %d lun = %d" + " isr get command error done, " "but got unknown DeviceStatus = 0x%x \n" , acb->host->host_no , id @@ -1062,7 +1074,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, inqdata[1] = 0; /* rem media bit & Dev Type Modifier */ inqdata[2] = 0; - /* ISO,ECMA,& ANSI versions */ + /* ISO, ECMA, & ANSI versions */ inqdata[4] = 31; /* length of additional data */ strncpy(&inqdata[8], "Areca ", 8); @@ -1112,7 +1124,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, , acb->host->host_no); return SCSI_MLQUEUE_HOST_BUSY; } - if(target == 16) { + if (target == 16) { /* virtual device for iop message transfer */ arcmsr_handle_virtual_command(acb, cmd); return 0; @@ -1125,7 +1137,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, printk(KERN_NOTICE "arcmsr%d: block 'read/write'" "command with gone raid volume" - " Cmd=%2x, TargetId=%d, Lun=%d \n" + " Cmd = %2x, TargetId = %d, Lun = %d \n" , acb->host->host_no , cmd->cmnd[0] , target, lun); @@ -1216,7 +1228,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { printk(KERN_NOTICE - "arcmsr%d: scsi id=%d lun=%d ccb='0x%p'" + "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" " poll command abort successfully \n" , acb->host->host_no , ccb->pcmd->device->id @@ -1229,8 +1241,8 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, } printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb='0x%p'" - "ccboutstandingcount=%d \n" + " command done ccb ='0x%p'" + "ccboutstandingcount = %d \n" , acb->host->host_no , ccb , atomic_read(&acb->ccboutstandingcount)); @@ -1247,7 +1259,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, switch(ccb->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_TIME_OUT << 16; + ccb->pcmd->result = DID_NO_CONNECT << 16; arcmsr_ccb_complete(ccb, 1); } break; @@ -1266,7 +1278,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, break; default: printk(KERN_NOTICE - "arcmsr%d: scsi id=%d lun=%d" + "arcmsr%d: scsi id = %d lun = %d" " polling and getting command error done" "but got unknown DeviceStatus = 0x%x \n" , acb->host->host_no @@ -1281,6 +1293,94 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, } } } +static void arcmsr_done4_abort_postqueue(struct AdapterControlBlock *acb) +{ + int i = 0, found = 0; + int id, lun; + uint32_t flag_ccb, outbound_intstatus; + struct MessageUnit __iomem *reg = acb->pmu; + struct CommandControlBlock *ccb; + /*clear and abort all outbound posted Q*/ + + while (((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) && +(i++ < 256)){ + ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + +(flag_ccb << 5)); + if (ccb){ + if ((ccb->acb != acb)||(ccb->startdone != \ +ARCMSR_CCB_START)){ + printk(KERN_NOTICE "arcmsr%d: polling get \ +an illegal ccb" "command done ccb = '0x%p'""ccboutstandingcount = %d \n", + acb->host->host_no, ccb, + atomic_read(&acb->ccboutstandingcount)); + continue; + } + + id = ccb->pcmd->device->id; + lun = ccb->pcmd->device->lun; + if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)){ + if (acb->devstate[id][lun] == ARECA_RAID_GONE) + acb->devstate[id][lun] = ARECA_RAID_GOOD; + ccb->pcmd->result = DID_OK << 16; + arcmsr_ccb_complete(ccb, 1); + } + else { + switch(ccb->arcmsr_cdb.DeviceStatus) { + case ARCMSR_DEV_SELECT_TIMEOUT: { + acb->devstate[id][lun] = ARECA_RAID_GONE; + ccb->pcmd->result = DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb, 1); + } + break; + + case ARCMSR_DEV_ABORTED: + + case ARCMSR_DEV_INIT_FAIL: { + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb, 1); + } + break; + + case ARCMSR_DEV_CHECK_CONDITION: { + acb->devstate[id][lun] = + ARECA_RAID_GOOD; + arcmsr_report_sense_info(ccb); + arcmsr_ccb_complete(ccb, 1); + } + break; + + default: + printk(KERN_NOTICE + "arcmsr%d: scsi id = %d \ + lun = %d""polling and \ + getting command error \ + done""but got unknown \ + DeviceStatus = 0x%x \n", + acb->host->host_no, id, + lun, ccb->arcmsr_cdb.DeviceStatus); + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb, 1); + break; + } + } + found = 1; + } + } + if (found){ + outbound_intstatus = readl(®->outbound_intstatus) & \ + acb->outbound_int_enable; + writel(outbound_intstatus, ®->outbound_intstatus); + /*clear interrupt*/ + } + return; +} + static void arcmsr_iop_init(struct AdapterControlBlock *acb) { @@ -1314,7 +1414,6 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb) static void arcmsr_iop_reset(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; struct CommandControlBlock *ccb; uint32_t intmask_org; int i = 0; @@ -1327,21 +1426,17 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb) /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); /* clear all outbound posted Q */ - for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++) - readl(®->outbound_queueport); + arcmsr_done4_abort_postqueue(acb); for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { ccb = acb->pccb_pool[i]; - if ((ccb->startdone == ARCMSR_CCB_START) || - (ccb->startdone == ARCMSR_CCB_ABORTED)) { + if (ccb->startdone == ARCMSR_CCB_START) { ccb->startdone = ARCMSR_CCB_ABORTED; - ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); } } /* enable all outbound interrupt */ arcmsr_enable_outbound_ints(acb, intmask_org); } - atomic_set(&acb->ccboutstandingcount, 0); + } static int arcmsr_bus_reset(struct scsi_cmnd *cmd) @@ -1387,10 +1482,9 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) int i = 0; printk(KERN_NOTICE - "arcmsr%d: abort device command of scsi id=%d lun=%d \n", + "arcmsr%d: abort device command of scsi id = %d lun = %d \n", acb->host->host_no, cmd->device->id, cmd->device->lun); acb->num_aborts++; - /* ************************************************ ** the all interrupt service routine is locked @@ -1445,10 +1539,306 @@ static const char *arcmsr_info(struct Scsi_Host *host) type = "X-TYPE"; break; } - sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s", + sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s", type, raid6 ? "( RAID6 capable)" : "", ARCMSR_DRIVER_VERSION); return buf; } +static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev) +{ + struct Scsi_Host *host; + struct AdapterControlBlock *acb; + uint8_t bus, dev_fun; + int error; + + error = pci_enable_device(pdev); + if (error) + return PCI_ERS_RESULT_DISCONNECT; + pci_set_master(pdev); + + host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof \ +(struct AdapterControlBlock)); + if (!host) + return PCI_ERS_RESULT_DISCONNECT; + acb = (struct AdapterControlBlock *)host->hostdata; + memset(acb, 0, sizeof (struct AdapterControlBlock)); + + error = pci_set_dma_mask(pdev, DMA_64BIT_MASK); + if (error) { + error = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (error) { + printk(KERN_WARNING + "scsi%d: No suitable DMA mask available\n", + host->host_no); + return PCI_ERS_RESULT_DISCONNECT; + } + } + bus = pdev->bus->number; + dev_fun = pdev->devfn; + acb = (struct AdapterControlBlock *) host->hostdata; + memset(acb, 0, sizeof(struct AdapterControlBlock)); + acb->pdev = pdev; + acb->host = host; + host->max_sectors = ARCMSR_MAX_XFER_SECTORS; + host->max_lun = ARCMSR_MAX_TARGETLUN; + host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/ + host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/ + host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES; + host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */ + host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; + host->this_id = ARCMSR_SCSI_INITIATOR_ID; + host->unique_id = (bus << 8) | dev_fun; + host->irq = pdev->irq; + error = pci_request_regions(pdev, "arcmsr"); + if (error) + return PCI_ERS_RESULT_DISCONNECT; + + acb->pmu = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + if (!acb->pmu) { + printk(KERN_NOTICE "arcmsr%d: memory" + " mapping region fail \n", acb->host->host_no); + return PCI_ERS_RESULT_DISCONNECT; + } + acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | + ACB_F_MESSAGE_RQBUFFER_CLEARED | + ACB_F_MESSAGE_WQBUFFER_READED); + acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER; + INIT_LIST_HEAD(&acb->ccb_free_list); + + error = arcmsr_alloc_ccb_pool(acb); + if (error) + return PCI_ERS_RESULT_DISCONNECT; + + error = request_irq(pdev->irq, arcmsr_do_interrupt, + IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb); + if (error) + return PCI_ERS_RESULT_DISCONNECT; + + arcmsr_iop_init(acb); + if (strncmp(acb->firm_version, "V1.42", 5) >= 0) + host->max_sectors = ARCMSR_MAX_XFER_SECTORS_B; + + pci_set_drvdata(pdev, host); + + error = scsi_add_host(host, &pdev->dev); + if (error) + return PCI_ERS_RESULT_DISCONNECT; + + error = arcmsr_alloc_sysfs_attr(acb); + if (error) + return PCI_ERS_RESULT_DISCONNECT; + + scsi_scan_host(host); + return PCI_ERS_RESULT_RECOVERED; +} + +static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev) +{ + struct Scsi_Host *host = pci_get_drvdata(pdev); + struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct MessageUnit __iomem *reg = acb->pmu; + struct CommandControlBlock *ccb; + /*clear and abort all outbound posted Q*/ + int i = 0, found = 0; + int id, lun; + uint32_t flag_ccb, outbound_intstatus; + + while (((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) && + (i++ < 256)){ + ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + + (flag_ccb << 5)); + if (ccb){ + if ((ccb->acb != acb)||(ccb->startdone != + ARCMSR_CCB_START)){ + printk(KERN_NOTICE "arcmsr%d: polling \ + get an illegal ccb"" command done ccb = '0x%p'" + "ccboutstandingcount = %d \n", + acb->host->host_no, ccb, + atomic_read(&acb->ccboutstandingcount)); + continue; + } + + id = ccb->pcmd->device->id; + lun = ccb->pcmd->device->lun; + if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { + if (acb->devstate[id][lun] == + ARECA_RAID_GONE) + acb->devstate[id][lun] = + ARECA_RAID_GOOD; + ccb->pcmd->result = DID_OK << 16; + arcmsr_ccb_complete(ccb, 1); + } + else { + switch(ccb->arcmsr_cdb.DeviceStatus) { + case ARCMSR_DEV_SELECT_TIMEOUT: { + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb, 1); + } + break; + + case ARCMSR_DEV_ABORTED: + + case ARCMSR_DEV_INIT_FAIL: { + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb, 1); + } + break; + + case ARCMSR_DEV_CHECK_CONDITION: { + acb->devstate[id][lun] = + ARECA_RAID_GOOD; + arcmsr_report_sense_info(ccb); + arcmsr_ccb_complete(ccb, 1); + } + break; + + default: + printk(KERN_NOTICE + "arcmsr%d: scsi \ + id = %d lun = %d" + " polling and \ + getting command \ + error done" + "but got unknown \ + DeviceStatus = 0x%x \n" + , acb->host->host_no, + id, lun, + ccb->arcmsr_cdb.DeviceStatus); + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb, 1); + break; + } + } + found = 1; + } + } + if (found){ + outbound_intstatus = readl(®->outbound_intstatus) & + acb->outbound_int_enable; + writel(outbound_intstatus, ®->outbound_intstatus); + /*clear interrupt*/ + } + return; +} + +static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev) +{ + struct Scsi_Host *host = pci_get_drvdata(pdev); + struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct MessageUnit __iomem *reg = acb->pmu; + struct CommandControlBlock *ccb; + /*clear and abort all outbound posted Q*/ + int i = 0, found = 0; + int id, lun; + uint32_t flag_ccb, outbound_intstatus; + + while (((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) && + (i++ < 256)){ + ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + + (flag_ccb << 5)); + if (ccb){ + if ((ccb->acb != acb)||(ccb->startdone != + ARCMSR_CCB_START)){ + printk(KERN_NOTICE + "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \n", + acb->host->host_no, ccb, + atomic_read(&acb->ccboutstandingcount)); + continue; + } + + id = ccb->pcmd->device->id; + lun = ccb->pcmd->device->lun; + if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { + if (acb->devstate[id][lun] == ARECA_RAID_GONE) + acb->devstate[id][lun] = ARECA_RAID_GOOD; + ccb->pcmd->result = DID_OK << 16; + arcmsr_ccb_complete(ccb, 1); + } + else { + switch(ccb->arcmsr_cdb.DeviceStatus) { + case ARCMSR_DEV_SELECT_TIMEOUT: { + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb, 1); + } + break; + + case ARCMSR_DEV_ABORTED: + + case ARCMSR_DEV_INIT_FAIL: { + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb, 1); + } + break; + + case ARCMSR_DEV_CHECK_CONDITION: { + acb->devstate[id][lun] = + ARECA_RAID_GOOD; + arcmsr_report_sense_info(ccb); + arcmsr_ccb_complete(ccb, 1); + } + break; + + default: + printk(KERN_NOTICE "arcmsr%d: \ + scsi id = %d lun = %d" + " polling and \ + getting command error done" + "but got unknown \ + DeviceStatus = 0x%x \n" + , acb->host->host_no, + id, lun, ccb->arcmsr_cdb.DeviceStatus); + acb->devstate[id][lun] = + ARECA_RAID_GONE; + ccb->pcmd->result = + DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb, 1); + break; + } + } + found = 1; + } + } + if (found){ + outbound_intstatus = readl(®->outbound_intstatus) & + acb->outbound_int_enable; + writel(outbound_intstatus, ®->outbound_intstatus); + /*clear interrupt*/ + } + return; +} + +static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, + pci_channel_state_t state) +{ + switch (state) { + case pci_channel_io_frozen: + arcmsr_pci_ers_need_reset_forepart(pdev); + return PCI_ERS_RESULT_NEED_RESET; + case pci_channel_io_perm_failure: + arcmsr_pci_ers_disconnect_forepart(pdev); + return PCI_ERS_RESULT_DISCONNECT; + break; + default: + return PCI_ERS_RESULT_NEED_RESET; + } +} |