diff options
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 75e828bd30e3..732b5d9242f1 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1446,12 +1446,80 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) } } +static void arcmsr_remove_scsi_devices(struct AdapterControlBlock *acb) +{ + char *acb_dev_map = (char *)acb->device_map; + int target, lun, i; + struct scsi_device *psdev; + struct CommandControlBlock *ccb; + char temp; + + for (i = 0; i < acb->maxFreeCCB; i++) { + ccb = acb->pccb_pool[i]; + if (ccb->startdone == ARCMSR_CCB_START) { + ccb->pcmd->result = DID_NO_CONNECT << 16; + arcmsr_pci_unmap_dma(ccb); + ccb->pcmd->scsi_done(ccb->pcmd); + } + } + for (target = 0; target < ARCMSR_MAX_TARGETID; target++) { + temp = *acb_dev_map; + if (temp) { + for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if (temp & 1) { + psdev = scsi_device_lookup(acb->host, + 0, target, lun); + if (psdev != NULL) { + scsi_remove_device(psdev); + scsi_device_put(psdev); + } + } + temp >>= 1; + } + *acb_dev_map = 0; + } + acb_dev_map++; + } +} + +static void arcmsr_free_pcidev(struct AdapterControlBlock *acb) +{ + struct pci_dev *pdev; + struct Scsi_Host *host; + + host = acb->host; + arcmsr_free_sysfs_attr(acb); + scsi_remove_host(host); + flush_work(&acb->arcmsr_do_message_isr_bh); + del_timer_sync(&acb->eternal_timer); + if (set_date_time) + del_timer_sync(&acb->refresh_timer); + pdev = acb->pdev; + arcmsr_free_irq(pdev, acb); + arcmsr_free_ccb_pool(acb); + arcmsr_free_mu(acb); + arcmsr_unmap_pciregion(acb); + pci_release_regions(pdev); + scsi_host_put(host); + pci_disable_device(pdev); +} + static void arcmsr_remove(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; int poll_count = 0; + uint16_t dev_id; + + pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id); + if (dev_id == 0xffff) { + acb->acb_flags &= ~ACB_F_IOP_INITED; + acb->acb_flags |= ACB_F_ADAPTER_REMOVED; + arcmsr_remove_scsi_devices(acb); + arcmsr_free_pcidev(acb); + return; + } arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); flush_work(&acb->arcmsr_do_message_isr_bh); @@ -1499,6 +1567,8 @@ static void arcmsr_shutdown(struct pci_dev *pdev) struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; + if (acb->acb_flags & ACB_F_ADAPTER_REMOVED) + return; del_timer_sync(&acb->eternal_timer); if (set_date_time) del_timer_sync(&acb->refresh_timer); @@ -2931,6 +3001,12 @@ static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; struct CommandControlBlock *ccb; int target = cmd->device->id; + + if (acb->acb_flags & ACB_F_ADAPTER_REMOVED) { + cmd->result = (DID_NO_CONNECT << 16); + cmd->scsi_done(cmd); + return 0; + } cmd->scsi_done = done; cmd->host_scribble = NULL; cmd->result = 0; @@ -3731,6 +3807,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; do { + if (!(acb->acb_flags & ACB_F_IOP_INITED)) + msleep(20); firmware_state = readl(®->outbound_msgaddr1); } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); } @@ -3739,6 +3817,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; do { + if (!(acb->acb_flags & ACB_F_IOP_INITED)) + msleep(20); firmware_state = readl(reg->iop2drv_doorbell); } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); @@ -3747,6 +3827,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; do { + if (!(acb->acb_flags & ACB_F_IOP_INITED)) + msleep(20); firmware_state = readl(®->outbound_msgaddr1); } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); } @@ -3754,6 +3836,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_D: { struct MessageUnit_D *reg = acb->pmuD; do { + if (!(acb->acb_flags & ACB_F_IOP_INITED)) + msleep(20); firmware_state = readl(reg->outbound_msgaddr1); } while ((firmware_state & ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0); @@ -3762,6 +3846,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_E: { struct MessageUnit_E __iomem *reg = acb->pmuE; do { + if (!(acb->acb_flags & ACB_F_IOP_INITED)) + msleep(20); firmware_state = readl(®->outbound_msgaddr1); } while ((firmware_state & ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK) == 0); } @@ -4177,6 +4263,8 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) int retry_count = 0; int rtn = FAILED; acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; + if (acb->acb_flags & ACB_F_ADAPTER_REMOVED) + return SUCCESS; pr_notice("arcmsr: executing bus reset eh.....num_resets = %d," " num_aborts = %d \n", acb->num_resets, acb->num_aborts); acb->num_resets++; @@ -4243,6 +4331,8 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) int rtn = FAILED; uint32_t intmask_org; + if (acb->acb_flags & ACB_F_ADAPTER_REMOVED) + return SUCCESS; printk(KERN_NOTICE "arcmsr%d: abort device command of scsi id = %d lun = %d\n", acb->host->host_no, cmd->device->id, (u32)cmd->device->lun); |