diff options
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 2259 |
1 files changed, 1368 insertions, 891 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 0ddfc21e9f7d..f81777586b8f 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -9,7 +9,7 @@ ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved ** ** Web site: www.areca.com.tw -** E-mail: erich@areca.com.tw +** E-mail: support@areca.com.tw ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License version 2 as @@ -71,33 +71,34 @@ #include <scsi/scsicam.h> #include "arcmsr.h" -MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>"); +MODULE_AUTHOR("Erich Chen <support@areca.com.tw>"); MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); -static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); +static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, + struct scsi_cmnd *cmd); +static int arcmsr_iop_confirm(struct AdapterControlBlock *acb); static int arcmsr_abort(struct scsi_cmnd *); static int arcmsr_bus_reset(struct scsi_cmnd *); static int arcmsr_bios_param(struct scsi_device *sdev, - struct block_device *bdev, sector_t capacity, int *info); -static int arcmsr_queue_command(struct scsi_cmnd * cmd, - void (*done) (struct scsi_cmnd *)); + struct block_device *bdev, sector_t capacity, int *info); +static int arcmsr_queue_command(struct scsi_cmnd *cmd, + void (*done) (struct scsi_cmnd *)); static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void arcmsr_remove(struct pci_dev *pdev); static void arcmsr_shutdown(struct pci_dev *pdev); static void arcmsr_iop_init(struct AdapterControlBlock *acb); static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb); +static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb); static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); -static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb); -static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb); +static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb); +static void arcmsr_flush_hbb_cache(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) +static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, + int queue_depth) { if (queue_depth > ARCMSR_MAX_CMD_PERLUN) queue_depth = ARCMSR_MAX_CMD_PERLUN; @@ -121,19 +122,28 @@ static struct scsi_host_template arcmsr_scsi_host_template = { .max_sectors = ARCMSR_MAX_XFER_SECTORS, .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN, .use_clustering = ENABLE_CLUSTERING, + .use_sg_chaining = ENABLE_SG_CHAINING, .shost_attrs = arcmsr_host_attrs, }; +#ifdef CONFIG_SCSI_ARCMSR_AER +static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev); +static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, + pci_channel_state_t state); + static struct pci_error_handlers arcmsr_pci_error_handlers = { .error_detected = arcmsr_pci_error_detected, .slot_reset = arcmsr_pci_slot_reset, }; - +#endif static struct pci_device_id arcmsr_device_id_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1200)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)}, @@ -153,20 +163,20 @@ static struct pci_driver arcmsr_pci_driver = { .probe = arcmsr_probe, .remove = arcmsr_remove, .shutdown = arcmsr_shutdown, + #ifdef CONFIG_SCSI_ARCMSR_AER .err_handler = &arcmsr_pci_error_handlers, + #endif }; static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) { irqreturn_t handle_state; - struct AdapterControlBlock *acb; - unsigned long flags; + struct AdapterControlBlock *acb = dev_id; - acb = (struct AdapterControlBlock *)dev_id; - - spin_lock_irqsave(acb->host->host_lock, flags); + spin_lock(acb->host->host_lock); handle_state = arcmsr_interrupt(acb); - spin_unlock_irqrestore(acb->host->host_lock, flags); + spin_unlock(acb->host->host_lock); + return handle_state; } @@ -198,68 +208,159 @@ static int arcmsr_bios_param(struct scsi_device *sdev, return 0; } -static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) +static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; - struct MessageUnit __iomem *reg = acb->pmu; - u32 ccb_phyaddr_hi32; - void *dma_coherent; - dma_addr_t dma_coherent_handle, dma_addr; - struct CommandControlBlock *ccb_tmp; - int i, j; + u16 dev_id; + pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id); + switch (dev_id) { + case 0x1201 : { + acb->adapter_type = ACB_ADAPTER_TYPE_B; + } + break; + + default : acb->adapter_type = ACB_ADAPTER_TYPE_A; + } +} + +static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) +{ + + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct pci_dev *pdev = acb->pdev; + void *dma_coherent; + dma_addr_t dma_coherent_handle, dma_addr; + struct CommandControlBlock *ccb_tmp; + uint32_t intmask_org; + int i, j; + + 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); + } - dma_coherent = dma_alloc_coherent(&pdev->dev, + dma_coherent = dma_alloc_coherent(&pdev->dev, ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20, &dma_coherent_handle, GFP_KERNEL); - if (!dma_coherent) - return -ENOMEM; + if (!dma_coherent) + return -ENOMEM; - acb->dma_coherent = dma_coherent; - acb->dma_coherent_handle = dma_coherent_handle; + acb->dma_coherent = dma_coherent; + acb->dma_coherent_handle = dma_coherent_handle; - if (((unsigned long)dma_coherent & 0x1F)) { - dma_coherent = dma_coherent + - (0x20 - ((unsigned long)dma_coherent & 0x1F)); - dma_coherent_handle = dma_coherent_handle + - (0x20 - ((unsigned long)dma_coherent_handle & 0x1F)); - } + if (((unsigned long)dma_coherent & 0x1F)) { + dma_coherent = dma_coherent + + (0x20 - ((unsigned long)dma_coherent & 0x1F)); + dma_coherent_handle = dma_coherent_handle + + (0x20 - ((unsigned long)dma_coherent_handle & 0x1F)); + } - dma_addr = dma_coherent_handle; - ccb_tmp = (struct CommandControlBlock *)dma_coherent; - for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { - ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5; - ccb_tmp->acb = acb; - acb->pccb_pool[i] = ccb_tmp; - list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); - dma_addr = dma_addr + sizeof (struct CommandControlBlock); - ccb_tmp++; - } + dma_addr = dma_coherent_handle; + ccb_tmp = (struct CommandControlBlock *)dma_coherent; + for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5; + ccb_tmp->acb = acb; + acb->pccb_pool[i] = ccb_tmp; + list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); + dma_addr = dma_addr + sizeof(struct CommandControlBlock); + ccb_tmp++; + } - acb->vir2phy_offset = (unsigned long)ccb_tmp - - (unsigned long)dma_addr; - for (i = 0; i < ARCMSR_MAX_TARGETID; i++) - for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) - acb->devstate[i][j] = ARECA_RAID_GOOD; + acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr; + for (i = 0; i < ARCMSR_MAX_TARGETID; i++) + for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) + acb->devstate[i][j] = ARECA_RAID_GONE; - /* - ** here we need to tell iop 331 our ccb_tmp.HighPart - ** if ccb_tmp.HighPart is not zero - */ - ccb_phyaddr_hi32 = (uint32_t) ((dma_coherent_handle >> 16) >> 16); - if (ccb_phyaddr_hi32 != 0) { - writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->message_rwbuffer[0]); - writel(ccb_phyaddr_hi32, ®->message_rwbuffer[1]); - writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE "arcmsr%d: " - "'set ccb high part physical address' timeout\n", - acb->host->host_no); - } + /* + ** here we need to tell iop 331 our ccb_tmp.HighPart + ** if ccb_tmp.HighPart is not zero + */ + intmask_org = arcmsr_disable_outbound_ints(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + + struct pci_dev *pdev = acb->pdev; + struct MessageUnit_B *reg; + void *mem_base0, *mem_base1; + void *dma_coherent; + dma_addr_t dma_coherent_handle, dma_addr; + uint32_t intmask_org; + struct CommandControlBlock *ccb_tmp; + int i, j; + + dma_coherent = dma_alloc_coherent(&pdev->dev, + ((ARCMSR_MAX_FREECCB_NUM * + sizeof(struct CommandControlBlock) + 0x20) + + sizeof(struct MessageUnit_B)), + &dma_coherent_handle, GFP_KERNEL); + if (!dma_coherent) + return -ENOMEM; - writel(readl(®->outbound_intmask) | - ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, - ®->outbound_intmask); + acb->dma_coherent = dma_coherent; + acb->dma_coherent_handle = dma_coherent_handle; + + if (((unsigned long)dma_coherent & 0x1F)) { + dma_coherent = dma_coherent + + (0x20 - ((unsigned long)dma_coherent & 0x1F)); + dma_coherent_handle = dma_coherent_handle + + (0x20 - ((unsigned long)dma_coherent_handle & 0x1F)); + } + + reg = (struct MessageUnit_B *)(dma_coherent + + ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock)); + + dma_addr = dma_coherent_handle; + ccb_tmp = (struct CommandControlBlock *)dma_coherent; + for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5; + ccb_tmp->acb = acb; + acb->pccb_pool[i] = ccb_tmp; + list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); + dma_addr = dma_addr + sizeof(struct CommandControlBlock); + ccb_tmp++; + } + + reg = (struct MessageUnit_B *)(dma_coherent + + ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock)); + acb->pmu = (struct MessageUnit *)reg; + mem_base0 = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + mem_base1 = ioremap(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); + reg->drv2iop_doorbell_reg = (uint32_t *)((char *)mem_base0 + + ARCMSR_DRV2IOP_DOORBELL); + reg->drv2iop_doorbell_mask_reg = (uint32_t *)((char *)mem_base0 + + ARCMSR_DRV2IOP_DOORBELL_MASK); + reg->iop2drv_doorbell_reg = (uint32_t *)((char *)mem_base0 + + ARCMSR_IOP2DRV_DOORBELL); + reg->iop2drv_doorbell_mask_reg = (uint32_t *)((char *)mem_base0 + + ARCMSR_IOP2DRV_DOORBELL_MASK); + reg->ioctl_wbuffer_reg = (uint32_t *)((char *)mem_base1 + + ARCMSR_IOCTL_WBUFFER); + reg->ioctl_rbuffer_reg = (uint32_t *)((char *)mem_base1 + + ARCMSR_IOCTL_RBUFFER); + reg->msgcode_rwbuffer_reg = (uint32_t *)((char *)mem_base1 + + ARCMSR_MSGCODE_RWBUFFER); + + acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr; + for (i = 0; i < ARCMSR_MAX_TARGETID; i++) + for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) + acb->devstate[i][j] = ARECA_RAID_GOOD; + + /* + ** here we need to tell iop 331 our ccb_tmp.HighPart + ** if ccb_tmp.HighPart is not zero + */ + intmask_org = arcmsr_disable_outbound_ints(acb); + } + break; + } return 0; } @@ -310,16 +411,11 @@ static int arcmsr_probe(struct pci_dev *pdev, host->unique_id = (bus << 8) | dev_fun; host->irq = pdev->irq; error = pci_request_regions(pdev, "arcmsr"); - if (error) + if (error) { goto out_host_put; - - 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); - goto out_release_regions; } + arcmsr_define_adapter_type(acb); + acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | ACB_F_MESSAGE_RQBUFFER_CLEARED | ACB_F_MESSAGE_WQBUFFER_READED); @@ -328,10 +424,10 @@ static int arcmsr_probe(struct pci_dev *pdev, error = arcmsr_alloc_ccb_pool(acb); if (error) - goto out_iounmap; + goto out_release_regions; error = request_irq(pdev->irq, arcmsr_do_interrupt, - IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb); + IRQF_SHARED, "arcmsr", acb); if (error) goto out_free_ccb_pool; @@ -349,14 +445,15 @@ static int arcmsr_probe(struct pci_dev *pdev, goto out_free_sysfs; scsi_scan_host(host); + #ifdef CONFIG_SCSI_ARCMSR_AER pci_enable_pcie_error_reporting(pdev); + #endif return 0; out_free_sysfs: out_free_irq: free_irq(pdev->irq, acb); out_free_ccb_pool: arcmsr_free_ccb_pool(acb); - out_iounmap: iounmap(acb->pmu); out_release_regions: pci_release_regions(pdev); @@ -368,17 +465,84 @@ static int arcmsr_probe(struct pci_dev *pdev, return error; } -static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb) +static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + uint32_t Index; + uint8_t Retries = 0x00; + + do { + for (Index = 0; Index < 100; Index++) { + if (readl(®->outbound_intstatus) & + ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { + writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, + ®->outbound_intstatus); + return 0x00; + } + msleep(10); + }/*max 1 seconds*/ + + } while (Retries++ < 20);/*max 20 sec*/ + return 0xff; +} + +static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + uint32_t Index; + uint8_t Retries = 0x00; + + do { + for (Index = 0; Index < 100; Index++) { + if (readl(reg->iop2drv_doorbell_reg) + & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN + , reg->iop2drv_doorbell_reg); + return 0x00; + } + msleep(10); + }/*max 1 seconds*/ + + } while (Retries++ < 20);/*max 20 sec*/ + return 0xff; +} + +static void arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) + if (arcmsr_hba_wait_msgint_ready(acb)) + printk(KERN_NOTICE + "arcmsr%d: wait 'abort all outstanding command' timeout \n" + , acb->host->host_no); +} + +static void arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + + writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell_reg); + if (arcmsr_hbb_wait_msgint_ready(acb)) printk(KERN_NOTICE "arcmsr%d: wait 'abort all outstanding command' timeout \n" , acb->host->host_no); } +static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + arcmsr_abort_hba_allcmd(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_abort_hbb_allcmd(acb); + } + } +} + static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) { struct scsi_cmnd *pcmd = ccb->pcmd; @@ -400,28 +564,239 @@ static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag) pcmd->scsi_done(pcmd); } +static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + int retry_count = 30; + + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); + do { + if (!arcmsr_hba_wait_msgint_ready(acb)) + break; + else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout, retry count down = %d \n", acb->host->host_no, retry_count); + } + } while (retry_count != 0); +} + +static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + int retry_count = 30; + + writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell_reg); + do { + if (!arcmsr_hbb_wait_msgint_ready(acb)) + break; + else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout,retry count down = %d \n", acb->host->host_no, retry_count); + } + } while (retry_count != 0); +} + +static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + arcmsr_flush_hba_cache(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_flush_hbb_cache(acb); + } + } +} + +static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) +{ + + struct scsi_cmnd *pcmd = ccb->pcmd; + struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; + + pcmd->result = DID_OK << 16; + if (sensebuffer) { + int sense_data_length = + sizeof(struct SENSE_DATA) < sizeof(pcmd->sense_buffer) + ? sizeof(struct SENSE_DATA) : sizeof(pcmd->sense_buffer); + memset(sensebuffer, 0, sizeof(pcmd->sense_buffer)); + memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); + sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; + sensebuffer->Valid = 1; + } +} + +static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) +{ + u32 orig_mask = 0; + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A : { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + orig_mask = readl(®->outbound_intmask)|\ + ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE; + writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \ + ®->outbound_intmask); + } + break; + + case ACB_ADAPTER_TYPE_B : { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + orig_mask = readl(reg->iop2drv_doorbell_mask_reg) & \ + (~ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); + writel(0, reg->iop2drv_doorbell_mask_reg); + } + break; + } + return orig_mask; +} + +static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \ + struct CommandControlBlock *ccb, uint32_t flag_ccb) +{ + + uint8_t id, lun; + 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" + " isr get 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_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb, 1); + break; + } + } +} + +static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t flag_ccb) + +{ + struct CommandControlBlock *ccb; + + ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5)); + if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { + if (ccb->startdone == ARCMSR_CCB_ABORTED) { + 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", acb->host->host_no, ccb); + } + } + 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" + , acb->host->host_no + , acb + , ccb + , ccb->acb + , ccb->startdone + , atomic_read(&acb->ccboutstandingcount)); + } + arcmsr_report_ccb_state(acb, ccb, flag_ccb); +} + +static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) +{ + int i = 0; + uint32_t flag_ccb; + + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = \ + (struct MessageUnit_A *)acb->pmu; + uint32_t outbound_intstatus; + outbound_intstatus = readl(®->outbound_intstatus) & \ + acb->outbound_int_enable; + /*clear and abort all outbound posted Q*/ + writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ + while (((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) \ + && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + arcmsr_drain_donequeue(acb, flag_ccb); + } + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + /*clear all outbound posted Q*/ + for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { + if ((flag_ccb = readl(®->done_qbuffer[i])) != 0) { + writel(0, ®->done_qbuffer[i]); + arcmsr_drain_donequeue(acb, flag_ccb); + } + writel(0, ®->post_qbuffer[i]); + } + reg->doneq_index = 0; + reg->postq_index = 0; + } + break; + } +} static void arcmsr_remove(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; int poll_count = 0; arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); - writel(readl(®->outbound_intmask) | - ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, - ®->outbound_intmask); + arcmsr_disable_outbound_ints(acb); acb->acb_flags |= ACB_F_SCSISTOPADAPTER; acb->acb_flags &= ~ACB_F_IOP_INITED; - for (poll_count = 0; poll_count < 256; poll_count++) { + for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++) { if (!atomic_read(&acb->ccboutstandingcount)) break; - arcmsr_interrupt(acb); + arcmsr_interrupt(acb);/* FIXME: need spinlock */ msleep(25); } @@ -429,8 +804,7 @@ static void arcmsr_remove(struct pci_dev *pdev) int i; arcmsr_abort_allcmd(acb); - for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++) - readl(®->outbound_queueport); + arcmsr_done4abort_postqueue(acb); for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START) { @@ -477,75 +851,32 @@ static void arcmsr_module_exit(void) module_init(arcmsr_module_init); module_exit(arcmsr_module_exit); -static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg = acb->pmu; - u32 orig_mask = readl(®->outbound_intmask); - - writel(orig_mask | ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, - ®->outbound_intmask); - return orig_mask; -} - -static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, - u32 orig_mask) +static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \ + u32 intmask_org) { - struct MessageUnit __iomem *reg = acb->pmu; u32 mask; - mask = orig_mask & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | - ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); - writel(mask, ®->outbound_intmask); -} + switch (acb->adapter_type) { -static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg = acb->pmu; - - writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE - "arcmsr%d: wait 'flush adapter cache' timeout \n" - , acb->host->host_no); -} - -static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) -{ - struct scsi_cmnd *pcmd = ccb->pcmd; - struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; + case ACB_ADAPTER_TYPE_A : { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | + ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); + writel(mask, ®->outbound_intmask); + acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; + } + break; - pcmd->result = DID_OK << 16; - if (sensebuffer) { - int sense_data_length = - sizeof (struct SENSE_DATA) < sizeof (pcmd->sense_buffer) - ? sizeof (struct SENSE_DATA) : sizeof (pcmd->sense_buffer); - memset(sensebuffer, 0, sizeof (pcmd->sense_buffer)); - memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); - sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; - sensebuffer->Valid = 1; + case ACB_ADAPTER_TYPE_B : { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | \ + ARCMSR_IOP2DRV_DATA_READ_OK | ARCMSR_IOP2DRV_CDB_DONE); + writel(mask, reg->iop2drv_doorbell_mask_reg); + acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; + } } } -static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg = acb->pmu; - uint32_t Index; - uint8_t Retries = 0x00; - - do { - for (Index = 0; Index < 100; Index++) { - if (readl(®->outbound_intstatus) - & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { - writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT - , ®->outbound_intstatus); - return 0x00; - } - msleep_interruptible(10); - }/*max 1 seconds*/ - } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; -} - static void arcmsr_build_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) { @@ -556,7 +887,7 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb, int nseg; ccb->pcmd = pcmd; - memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB)); + memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); arcmsr_cdb->Bus = 0; arcmsr_cdb->TargetID = pcmd->device->id; arcmsr_cdb->LUN = pcmd->device->lun; @@ -609,52 +940,85 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb, static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { - struct MessageUnit __iomem *reg = acb->pmu; uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr; struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; - atomic_inc(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_START; - if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) - writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A *reg = (struct MessageUnit_A *)acb->pmu; + + if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) + writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, ®->inbound_queueport); - else - writel(cdb_shifted_phyaddr, ®->inbound_queueport); -} + else { + writel(cdb_shifted_phyaddr, ®->inbound_queueport); + } + } + break; -void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg = acb->pmu; - struct QBUFFER __iomem *pwbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer; - uint8_t __iomem *iop_data = (uint8_t __iomem *) pwbuffer->data; - int32_t allxfer_len = 0; + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + uint32_t ending_index, index = reg->postq_index; - if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { - acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); - while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) - && (allxfer_len < 124)) { - writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data); - acb->wqbuf_firstindex++; - acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - allxfer_len++; + ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE); + writel(0, ®->post_qbuffer[ending_index]); + if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { + writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ + ®->post_qbuffer[index]); + } + else { + writel(cdb_shifted_phyaddr, ®->post_qbuffer[index]); } - writel(allxfer_len, &pwbuffer->data_len); - writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK - , ®->inbound_doorbell); + index++; + index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ + reg->postq_index = index; + writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell_reg); + } + break; } } -static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) +static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; - + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) + + if (arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" , acb->host->host_no); + } +} + +static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + acb->acb_flags &= ~ACB_F_MSG_START_BGRB; + writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell_reg); + + if (arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" + , acb->host->host_no); + } +} + +static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + arcmsr_stop_hba_bgrb(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_stop_hbb_bgrb(acb); + } + break; + } } static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) @@ -665,151 +1029,260 @@ static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) acb->dma_coherent_handle); } -static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) +void arcmsr_iop_message_read(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; - struct CommandControlBlock *ccb; - uint32_t flag_ccb, outbound_intstatus, outbound_doorbell; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + } + break; - outbound_intstatus = readl(®->outbound_intstatus) - & acb->outbound_int_enable; - writel(outbound_intstatus, ®->outbound_intstatus); - if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { - outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell); - if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { - struct QBUFFER __iomem * prbuffer = - (struct QBUFFER __iomem *) ®->message_rbuffer; - uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data; - int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex; - - rqbuf_lastindex = acb->rqbuf_lastindex; - rqbuf_firstindex = acb->rqbuf_firstindex; - iop_len = readl(&prbuffer->data_len); - my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) - &(ARCMSR_MAX_QBUFFER - 1); - if (my_empty_len >= iop_len) { - while (iop_len > 0) { - acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); - acb->rqbuf_lastindex++; - acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - iop_len--; - } - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); - } else - acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; - } - if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) { - acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED; - if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) { - struct QBUFFER __iomem * pwbuffer = - (struct QBUFFER __iomem *) ®->message_wbuffer; - uint8_t __iomem * iop_data = (uint8_t __iomem *) pwbuffer->data; - int32_t allxfer_len = 0; - - acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); - while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) - && (allxfer_len < 124)) { - writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data); - acb->wqbuf_firstindex++; - acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - allxfer_len++; - } - writel(allxfer_len, &pwbuffer->data_len); - writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, - ®->inbound_doorbell); - } - if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) - acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED; + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg); } + break; } - if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { - int id, lun; +} + +static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; /* - **************************************************************** - ** areca cdb command done - **************************************************************** + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post */ - while (1) { - if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) - break;/*chip FIFO no ccb for completion already*/ - /* check if command done with no error*/ - ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + - (flag_ccb << 5)); - if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if (ccb->startdone == ARCMSR_CCB_ABORTED) { - 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" - , 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" - , acb->host->host_no - , acb - , ccb - , ccb->acb - , ccb->startdone - , 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" - " isr get 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_NO_CONNECT << 16; - arcmsr_ccb_complete(ccb, 1); - break; - } - } - }/*drain reply FIFO*/ + writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell); + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + /* + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post + */ + writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell_reg); + } + break; + } +} + +struct QBUFFER *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) +{ + static struct QBUFFER *qbuffer; + + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + qbuffer = (struct QBUFFER __iomem *) ®->message_rbuffer; + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + qbuffer = (struct QBUFFER __iomem *) reg->ioctl_rbuffer_reg; + } + break; + } + return qbuffer; +} + +static struct QBUFFER *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) +{ + static struct QBUFFER *pqbuffer; + + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + pqbuffer = (struct QBUFFER *) ®->message_wbuffer; + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + pqbuffer = (struct QBUFFER __iomem *)reg->ioctl_wbuffer_reg; + } + break; + } + return pqbuffer; +} + +static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) +{ + struct QBUFFER *prbuffer; + struct QBUFFER *pQbuffer; + uint8_t *iop_data; + int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex; + + rqbuf_lastindex = acb->rqbuf_lastindex; + rqbuf_firstindex = acb->rqbuf_firstindex; + prbuffer = arcmsr_get_iop_rqbuffer(acb); + iop_data = (uint8_t *)prbuffer->data; + iop_len = prbuffer->data_len; + my_empty_len = (rqbuf_firstindex - rqbuf_lastindex -1)&(ARCMSR_MAX_QBUFFER -1); + + if (my_empty_len >= iop_len) + { + while (iop_len > 0) { + pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex]; + memcpy(pQbuffer, iop_data,1); + rqbuf_lastindex++; + rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + iop_len--; + } + acb->rqbuf_lastindex = rqbuf_lastindex; + arcmsr_iop_message_read(acb); + } + + else { + acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; + } +} + +static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb) +{ + acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED; + if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) { + uint8_t *pQbuffer; + struct QBUFFER *pwbuffer; + uint8_t *iop_data; + int32_t allxfer_len = 0; + + acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); + pwbuffer = arcmsr_get_iop_wqbuffer(acb); + iop_data = (uint8_t __iomem *)pwbuffer->data; + + while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) && \ + (allxfer_len < 124)) { + pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex]; + memcpy(iop_data, pQbuffer, 1); + acb->wqbuf_firstindex++; + acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + allxfer_len++; + } + pwbuffer->data_len = allxfer_len; + + arcmsr_iop_message_wrote(acb); + } + + if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) { + acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED; + } +} + +static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb) +{ + uint32_t outbound_doorbell; + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); + if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(acb); + } + + if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(acb); + } +} + +static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) +{ + uint32_t flag_ccb; + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + + while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { + arcmsr_drain_donequeue(acb, flag_ccb); + } +} + +static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) +{ + uint32_t index; + uint32_t flag_ccb; + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + + index = reg->doneq_index; + + while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) { + writel(0, ®->done_qbuffer[index]); + arcmsr_drain_donequeue(acb, flag_ccb); + index++; + index %= ARCMSR_MAX_HBB_POSTQUEUE; + reg->doneq_index = index; + } +} + +static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) +{ + uint32_t outbound_intstatus; + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + + outbound_intstatus = readl(®->outbound_intstatus) & \ + acb->outbound_int_enable; + if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) { + return 1; + } + writel(outbound_intstatus, ®->outbound_intstatus); + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { + arcmsr_hba_doorbell_isr(acb); + } + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { + arcmsr_hba_postqueue_isr(acb); + } + return 0; +} + +static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) +{ + uint32_t outbound_doorbell; + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + + outbound_doorbell = readl(reg->iop2drv_doorbell_reg) & \ + acb->outbound_int_enable; + if (!outbound_doorbell) + return 1; + + writel(~outbound_doorbell, reg->iop2drv_doorbell_reg); + + if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(acb); + } + if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(acb); + } + if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) { + arcmsr_hbb_postqueue_isr(acb); + } + + return 0; +} + +static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + if (arcmsr_handle_hba_isr(acb)) { + return IRQ_NONE; + } + } + break; + + case ACB_ADAPTER_TYPE_B: { + if (arcmsr_handle_hbb_isr(acb)) { + return IRQ_NONE; + } + } + break; } - if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) - return IRQ_NONE; return IRQ_HANDLED; } @@ -818,16 +1291,47 @@ static void arcmsr_iop_parking(struct AdapterControlBlock *acb) if (acb) { /* stop adapter background rebuild */ if (acb->acb_flags & ACB_F_MSG_START_BGRB) { + uint32_t intmask_org; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; + intmask_org = arcmsr_disable_outbound_ints(acb); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); + arcmsr_enable_outbound_ints(acb, intmask_org); } } } -static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) +void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb) +{ + int32_t wqbuf_firstindex, wqbuf_lastindex; + uint8_t *pQbuffer; + struct QBUFFER *pwbuffer; + uint8_t *iop_data; + int32_t allxfer_len = 0; + + pwbuffer = arcmsr_get_iop_wqbuffer(acb); + iop_data = (uint8_t __iomem *)pwbuffer->data; + if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { + acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); + wqbuf_firstindex = acb->wqbuf_firstindex; + wqbuf_lastindex = acb->wqbuf_lastindex; + while ((wqbuf_firstindex != wqbuf_lastindex) && (allxfer_len < 124)) { + pQbuffer = &acb->wqbuffer[wqbuf_firstindex]; + memcpy(iop_data, pQbuffer, 1); + wqbuf_firstindex++; + wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + allxfer_len++; + } + acb->wqbuf_firstindex = wqbuf_firstindex; + pwbuffer->data_len = allxfer_len; + arcmsr_iop_message_wrote(acb); + } +} + +static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ + struct scsi_cmnd *cmd) { - struct MessageUnit __iomem *reg = acb->pmu; struct CMD_MESSAGE_FIELD *pcmdmessagefld; int retvalue = 0, transfer_len = 0; char *buffer; @@ -836,7 +1340,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_ (uint32_t ) cmd->cmnd[6] << 16 | (uint32_t ) cmd->cmnd[7] << 8 | (uint32_t ) cmd->cmnd[8]; - /* 4 bytes: Areca io control code */ + /* 4 bytes: Areca io control code */ sg = scsi_sglist(cmd); buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; @@ -852,194 +1356,199 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_ } pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer; switch(controlcode) { + case ARCMSR_MESSAGE_READ_RQBUFFER: { - unsigned long *ver_addr; - dma_addr_t buf_handle; - uint8_t *pQbuffer, *ptmpQbuffer; - int32_t allxfer_len = 0; + unsigned long *ver_addr; + dma_addr_t buf_handle; + uint8_t *pQbuffer, *ptmpQbuffer; + int32_t allxfer_len = 0; + + ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); + if (!ver_addr) { + retvalue = ARCMSR_MESSAGE_FAIL; + goto message_out; + } + ptmpQbuffer = (uint8_t *) ver_addr; + while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) + && (allxfer_len < 1031)) { + pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex]; + memcpy(ptmpQbuffer, pQbuffer, 1); + acb->rqbuf_firstindex++; + acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER; + ptmpQbuffer++; + allxfer_len++; + } + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); - if (!ver_addr) { - retvalue = ARCMSR_MESSAGE_FAIL; - goto message_out; - } - ptmpQbuffer = (uint8_t *) ver_addr; - while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) - && (allxfer_len < 1031)) { - pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex]; - memcpy(ptmpQbuffer, pQbuffer, 1); - acb->rqbuf_firstindex++; - acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER; - ptmpQbuffer++; - allxfer_len++; - } - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - struct QBUFFER __iomem * prbuffer = (struct QBUFFER __iomem *) - ®->message_rbuffer; - uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data; - int32_t iop_len; - - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - iop_len = readl(&prbuffer->data_len); - while (iop_len > 0) { - acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); - acb->rqbuf_lastindex++; - acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - iop_len--; - } - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); + struct QBUFFER *prbuffer; + uint8_t *iop_data; + int32_t iop_len; + + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + prbuffer = arcmsr_get_iop_rqbuffer(acb); + iop_data = (uint8_t *)prbuffer->data; + iop_len = readl(&prbuffer->data_len); + while (iop_len > 0) { + acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); + acb->rqbuf_lastindex++; + acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + iop_len--; } - memcpy(pcmdmessagefld->messagedatabuffer, - (uint8_t *)ver_addr, allxfer_len); - pcmdmessagefld->cmdmessage.Length = allxfer_len; - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; - pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); + arcmsr_iop_message_read(acb); + } + memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr, allxfer_len); + pcmdmessagefld->cmdmessage.Length = allxfer_len; + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); } break; - case ARCMSR_MESSAGE_WRITE_WQBUFFER: { - unsigned long *ver_addr; - dma_addr_t buf_handle; - int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; - uint8_t *pQbuffer, *ptmpuserbuffer; - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); - if (!ver_addr) { - retvalue = ARCMSR_MESSAGE_FAIL; - goto message_out; - } - ptmpuserbuffer = (uint8_t *)ver_addr; - user_len = pcmdmessagefld->cmdmessage.Length; - memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); - wqbuf_lastindex = acb->wqbuf_lastindex; - wqbuf_firstindex = acb->wqbuf_firstindex; - if (wqbuf_lastindex != wqbuf_firstindex) { + case ARCMSR_MESSAGE_WRITE_WQBUFFER: { + unsigned long *ver_addr; + dma_addr_t buf_handle; + int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; + uint8_t *pQbuffer, *ptmpuserbuffer; + + ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); + if (!ver_addr) { + retvalue = ARCMSR_MESSAGE_FAIL; + goto message_out; + } + ptmpuserbuffer = (uint8_t *)ver_addr; + user_len = pcmdmessagefld->cmdmessage.Length; + memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); + wqbuf_lastindex = acb->wqbuf_lastindex; + wqbuf_firstindex = acb->wqbuf_firstindex; + if (wqbuf_lastindex != wqbuf_firstindex) { + struct SENSE_DATA *sensebuffer = + (struct SENSE_DATA *)cmd->sense_buffer; + arcmsr_post_ioctldata2iop(acb); + /* has error report sensedata */ + sensebuffer->ErrorCode = 0x70; + sensebuffer->SenseKey = ILLEGAL_REQUEST; + sensebuffer->AdditionalSenseLength = 0x0A; + sensebuffer->AdditionalSenseCode = 0x20; + sensebuffer->Valid = 1; + retvalue = ARCMSR_MESSAGE_FAIL; + } else { + my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1) + &(ARCMSR_MAX_QBUFFER - 1); + if (my_empty_len >= user_len) { + while (user_len > 0) { + pQbuffer = + &acb->wqbuffer[acb->wqbuf_lastindex]; + memcpy(pQbuffer, ptmpuserbuffer, 1); + acb->wqbuf_lastindex++; + acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + ptmpuserbuffer++; + user_len--; + } + if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { + acb->acb_flags &= + ~ACB_F_MESSAGE_WQBUFFER_CLEARED; + arcmsr_post_ioctldata2iop(acb); + } + } else { + /* has error report sensedata */ struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)cmd->sense_buffer; - arcmsr_post_Qbuffer(acb); - /* has error report sensedata */ sensebuffer->ErrorCode = 0x70; sensebuffer->SenseKey = ILLEGAL_REQUEST; sensebuffer->AdditionalSenseLength = 0x0A; sensebuffer->AdditionalSenseCode = 0x20; sensebuffer->Valid = 1; retvalue = ARCMSR_MESSAGE_FAIL; - } else { - my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1) - &(ARCMSR_MAX_QBUFFER - 1); - if (my_empty_len >= user_len) { - while (user_len > 0) { - pQbuffer = - &acb->wqbuffer[acb->wqbuf_lastindex]; - memcpy(pQbuffer, ptmpuserbuffer, 1); - acb->wqbuf_lastindex++; - acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER; - ptmpuserbuffer++; - user_len--; - } - if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { - acb->acb_flags &= - ~ACB_F_MESSAGE_WQBUFFER_CLEARED; - arcmsr_post_Qbuffer(acb); - } - } else { - /* has error report sensedata */ - struct SENSE_DATA *sensebuffer = - (struct SENSE_DATA *)cmd->sense_buffer; - sensebuffer->ErrorCode = 0x70; - sensebuffer->SenseKey = ILLEGAL_REQUEST; - sensebuffer->AdditionalSenseLength = 0x0A; - sensebuffer->AdditionalSenseCode = 0x20; - sensebuffer->Valid = 1; - retvalue = ARCMSR_MESSAGE_FAIL; - } + } } pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); } break; + case ARCMSR_MESSAGE_CLEAR_RQBUFFER: { - uint8_t *pQbuffer = acb->rqbuffer; + uint8_t *pQbuffer = acb->rqbuffer; - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); - } - acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; - acb->rqbuf_firstindex = 0; - acb->rqbuf_lastindex = 0; - memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); - pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_OK; + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + arcmsr_iop_message_read(acb); + } + acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; + acb->rqbuf_firstindex = 0; + acb->rqbuf_lastindex = 0; + memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } break; + case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { - uint8_t *pQbuffer = acb->wqbuffer; + uint8_t *pQbuffer = acb->wqbuffer; - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK - , ®->inbound_doorbell); - } - acb->acb_flags |= - (ACB_F_MESSAGE_WQBUFFER_CLEARED | - ACB_F_MESSAGE_WQBUFFER_READED); - acb->wqbuf_firstindex = 0; - acb->wqbuf_lastindex = 0; - memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); - pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_OK; + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + arcmsr_iop_message_read(acb); + } + acb->acb_flags |= + (ACB_F_MESSAGE_WQBUFFER_CLEARED | + ACB_F_MESSAGE_WQBUFFER_READED); + acb->wqbuf_firstindex = 0; + acb->wqbuf_lastindex = 0; + memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; } break; + case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: { - uint8_t *pQbuffer; + uint8_t *pQbuffer; - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK - , ®->inbound_doorbell); - } - acb->acb_flags |= - (ACB_F_MESSAGE_WQBUFFER_CLEARED - | ACB_F_MESSAGE_RQBUFFER_CLEARED - | ACB_F_MESSAGE_WQBUFFER_READED); - acb->rqbuf_firstindex = 0; - acb->rqbuf_lastindex = 0; - acb->wqbuf_firstindex = 0; - acb->wqbuf_lastindex = 0; - pQbuffer = acb->rqbuffer; - memset(pQbuffer, 0, sizeof (struct QBUFFER)); - pQbuffer = acb->wqbuffer; - memset(pQbuffer, 0, sizeof (struct QBUFFER)); - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + arcmsr_iop_message_read(acb); + } + acb->acb_flags |= + (ACB_F_MESSAGE_WQBUFFER_CLEARED + | ACB_F_MESSAGE_RQBUFFER_CLEARED + | ACB_F_MESSAGE_WQBUFFER_READED); + acb->rqbuf_firstindex = 0; + acb->rqbuf_lastindex = 0; + acb->wqbuf_firstindex = 0; + acb->wqbuf_lastindex = 0; + pQbuffer = acb->rqbuffer; + memset(pQbuffer, 0, sizeof(struct QBUFFER)); + pQbuffer = acb->wqbuffer; + memset(pQbuffer, 0, sizeof(struct QBUFFER)); + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } break; + case ARCMSR_MESSAGE_RETURN_CODE_3F: { - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; } break; + case ARCMSR_MESSAGE_SAY_HELLO: { - int8_t * hello_string = "Hello! I am ARCMSR"; + int8_t *hello_string = "Hello! I am ARCMSR"; - memcpy(pcmdmessagefld->messagedatabuffer, hello_string - , (int16_t)strlen(hello_string)); - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + memcpy(pcmdmessagefld->messagedatabuffer, hello_string + , (int16_t)strlen(hello_string)); + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } break; + case ARCMSR_MESSAGE_SAY_GOODBYE: arcmsr_iop_parking(acb); break; + case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: arcmsr_flush_adapter_cache(acb); break; + default: retvalue = ARCMSR_MESSAGE_FAIL; } - message_out: + message_out: sg = scsi_sglist(cmd); kunmap_atomic(buffer - sg->offset, KM_IRQ0); - return retvalue; } @@ -1109,8 +1618,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; - struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; struct CommandControlBlock *ccb; int target = cmd->device->id; int lun = cmd->device->lun; @@ -1153,26 +1661,27 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, ccb = arcmsr_get_freeccb(acb); if (!ccb) return SCSI_MLQUEUE_HOST_BUSY; + arcmsr_build_ccb(acb, ccb, cmd); arcmsr_post_ccb(acb, ccb); return 0; } -static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) +static void arcmsr_get_hba_config(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; char *acb_firm_model = acb->firm_model; char *acb_firm_version = acb->firm_version; - char __iomem *iop_firm_model = (char __iomem *) ®->message_rwbuffer[15]; - char __iomem *iop_firm_version = (char __iomem *) ®->message_rwbuffer[17]; + char *iop_firm_model = (char *) (®->message_rwbuffer[15]); + char *iop_firm_version = (char *) (®->message_rwbuffer[17]); int count; writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE - "arcmsr%d: wait " - "'get adapter firmware miscellaneous data' timeout \n" - , acb->host->host_no); + if (arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", acb->host->host_no); + } + count = 8; while (count) { *acb_firm_model = readb(iop_firm_model); @@ -1180,6 +1689,7 @@ static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) iop_firm_model++; count--; } + count = 16; while (count) { *acb_firm_version = readb(iop_firm_version); @@ -1187,28 +1697,93 @@ static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) iop_firm_version++; count--; } - printk(KERN_INFO - "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n" + + printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n" , acb->host->host_no , acb->firm_version); + acb->firm_request_len = readl(®->message_rwbuffer[1]); acb->firm_numbers_queue = readl(®->message_rwbuffer[2]); acb->firm_sdram_size = readl(®->message_rwbuffer[3]); acb->firm_hd_channels = readl(®->message_rwbuffer[4]); } -static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, +static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + uint32_t *lrwbuffer = reg->msgcode_rwbuffer_reg; + char *acb_firm_model = acb->firm_model; + char *acb_firm_version = acb->firm_version; + char *iop_firm_model = (char *) (&lrwbuffer[15]); + /*firm_model,15,60-67*/ + char *iop_firm_version = (char *) (&lrwbuffer[17]); + /*firm_version,17,68-83*/ + int count; + + writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg); + if (arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", acb->host->host_no); + } + + count = 8; + while (count) + { + *acb_firm_model = readb(iop_firm_model); + acb_firm_model++; + iop_firm_model++; + count--; + } + + count = 16; + while (count) + { + *acb_firm_version = readb(iop_firm_version); + acb_firm_version++; + iop_firm_version++; + count--; + } + + printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n", + acb->host->host_no, + acb->firm_version); + + lrwbuffer++; + acb->firm_request_len = readl(lrwbuffer++); + /*firm_request_len,1,04-07*/ + acb->firm_numbers_queue = readl(lrwbuffer++); + /*firm_numbers_queue,2,08-11*/ + acb->firm_sdram_size = readl(lrwbuffer++); + /*firm_sdram_size,3,12-15*/ + acb->firm_hd_channels = readl(lrwbuffer); + /*firm_ide_channels,4,16-19*/ +} + +static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + arcmsr_get_hba_config(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_get_hbb_config(acb); + } + break; + } +} + +static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { - struct MessageUnit __iomem *reg = acb->pmu; + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; struct CommandControlBlock *ccb; uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; - int id, lun; - polling_ccb_retry: + polling_hba_ccb_retry: poll_count++; - outbound_intstatus = readl(®->outbound_intstatus) - & acb->outbound_int_enable; + outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ while (1) { if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) { @@ -1218,17 +1793,14 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, msleep(25); if (poll_count > 100) break; - goto polling_ccb_retry; + goto polling_hba_ccb_retry; } } - ccb = (struct CommandControlBlock *) - (acb->vir2phy_offset + (flag_ccb << 5)); - if ((ccb->acb != acb) || - (ccb->startdone != ARCMSR_CCB_START)) { - if ((ccb->startdone == ARCMSR_CCB_ABORTED) || - (ccb == poll_ccb)) { - printk(KERN_NOTICE - "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" + ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5)); + poll_ccb_done = (ccb == poll_ccb) ? 1:0; + if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { + printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" " poll command abort successfully \n" , acb->host->host_no , ccb->pcmd->device->id @@ -1239,176 +1811,280 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, poll_ccb_done = 1; continue; } - printk(KERN_NOTICE - "arcmsr%d: polling get an illegal ccb" - " command done ccb ='0x%p'" + 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); + arcmsr_report_ccb_state(acb, ccb, flag_ccb); + } +} + +static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, \ + struct CommandControlBlock *poll_ccb) +{ + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + struct CommandControlBlock *ccb; + uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; + int index; + + polling_hbb_ccb_retry: + poll_count++; + /* clear doorbell interrupt */ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg); + while (1) { + index = reg->doneq_index; + if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) { + if (poll_ccb_done) + break; + else { + msleep(25); + if (poll_count > 100) + break; + goto polling_hbb_ccb_retry; } - break; - case ARCMSR_DEV_CHECK_CONDITION: { - acb->devstate[id][lun] = ARECA_RAID_GOOD; - arcmsr_report_sense_info(ccb); + } + writel(0, ®->done_qbuffer[index]); + index++; + /*if last index number set it to 0 */ + index %= ARCMSR_MAX_HBB_POSTQUEUE; + reg->doneq_index = index; + /* check ifcommand done with no error*/ + ccb = (struct CommandControlBlock *)\ + (acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + poll_ccb_done = (ccb == poll_ccb) ? 1:0; + if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { + if (ccb->startdone == ARCMSR_CCB_ABORTED) { + printk(KERN_NOTICE "arcmsr%d: \ + scsi id = %d lun = %d ccb = '0x%p' poll command abort successfully \n" + ,acb->host->host_no + ,ccb->pcmd->device->id + ,ccb->pcmd->device->lun + ,ccb); + ccb->pcmd->result = DID_ABORT << 16; arcmsr_ccb_complete(ccb, 1); + continue; } - 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" + printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \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; + , ccb + , atomic_read(&acb->ccboutstandingcount)); + continue; } + arcmsr_report_ccb_state(acb, ccb, flag_ccb); + } /*drain reply FIFO*/ +} + +static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, \ + struct CommandControlBlock *poll_ccb) +{ + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + arcmsr_polling_hba_ccbdone(acb,poll_ccb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_polling_hbb_ccbdone(acb,poll_ccb); } } } -static void arcmsr_done4_abort_postqueue(struct AdapterControlBlock *acb) + +static int arcmsr_iop_confirm(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; + uint32_t cdb_phyaddr, ccb_phyaddr_hi32; + dma_addr_t dma_coherent_handle; + /* + ******************************************************************** + ** here we need to tell iop 331 our freeccb.HighPart + ** if freeccb.HighPart is not zero + ******************************************************************** + */ + dma_coherent_handle = acb->dma_coherent_handle; + cdb_phyaddr = (uint32_t)(dma_coherent_handle); + ccb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16); + /* + *********************************************************************** + ** if adapter type B, set window of "post command Q" + *********************************************************************** + */ + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + if (ccb_phyaddr_hi32 != 0) { + struct MessageUnit_A __iomem *reg = \ + (struct MessageUnit_A *)acb->pmu; + uint32_t intmask_org; + intmask_org = arcmsr_disable_outbound_ints(acb); + writel(ARCMSR_SIGNATURE_SET_CONFIG, \ + ®->message_rwbuffer[0]); + writel(ccb_phyaddr_hi32, ®->message_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ + ®->inbound_msgaddr0); + if (arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ + part physical address timeout\n", + acb->host->host_no); + return 1; } + arcmsr_enable_outbound_ints(acb, intmask_org); + } + } + break; - 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 ACB_ADAPTER_TYPE_B: { + unsigned long post_queue_phyaddr; + uint32_t *rwbuffer; - case ARCMSR_DEV_ABORTED: + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + uint32_t intmask_org; + intmask_org = arcmsr_disable_outbound_ints(acb); + reg->postq_index = 0; + reg->doneq_index = 0; + writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell_reg); + if (arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ + acb->host->host_no); + return 1; + } + post_queue_phyaddr = cdb_phyaddr + ARCMSR_MAX_FREECCB_NUM * \ + sizeof(struct CommandControlBlock) + offsetof(struct MessageUnit_B, post_qbuffer) ; + rwbuffer = reg->msgcode_rwbuffer_reg; + /* driver "set config" signature */ + writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++); + /* normal should be zero */ + writel(ccb_phyaddr_hi32, rwbuffer++); + /* postQ size (256 + 8)*4 */ + writel(post_queue_phyaddr, rwbuffer++); + /* doneQ size (256 + 8)*4 */ + writel(post_queue_phyaddr + 1056, rwbuffer++); + /* ccb maxQ size must be --> [(256 + 8)*4]*/ + writel(1056, rwbuffer); + + writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell_reg); + if (arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ + timeout \n",acb->host->host_no); + return 1; + } - 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; + writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell_reg); + if (arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: 'can not set diver mode \n"\ + ,acb->host->host_no); + return 1; + } + arcmsr_enable_outbound_ints(acb, intmask_org); + } + break; + } + return 0; +} - case ARCMSR_DEV_CHECK_CONDITION: { - acb->devstate[id][lun] = - ARECA_RAID_GOOD; - arcmsr_report_sense_info(ccb); - arcmsr_ccb_complete(ccb, 1); - } - break; +static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) +{ + uint32_t firmware_state = 0; - 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; - } + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + do { + firmware_state = readl(reg->iop2drv_doorbell_reg); + } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); + } + break; } - if (found){ - outbound_intstatus = readl(®->outbound_intstatus) & \ - acb->outbound_int_enable; - writel(outbound_intstatus, ®->outbound_intstatus); - /*clear interrupt*/ +} + +static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu; + acb->acb_flags |= ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); + if (arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n", acb->host->host_no); } - return; } +static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + acb->acb_flags |= ACB_F_MSG_START_BGRB; + writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell_reg); + if (arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n",acb->host->host_no); + } +} -static void arcmsr_iop_init(struct AdapterControlBlock *acb) +static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; - uint32_t intmask_org, mask, outbound_doorbell, firmware_state = 0; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + arcmsr_start_hba_bgrb(acb); + break; + case ACB_ADAPTER_TYPE_B: + arcmsr_start_hbb_bgrb(acb); + break; + } +} - do { - firmware_state = readl(®->outbound_msgaddr1); - } while (!(firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK)); - intmask_org = readl(®->outbound_intmask) - | ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE; - arcmsr_get_firmware_spec(acb); +static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A *reg = (struct MessageUnit_A *)acb->pmu; + uint32_t outbound_doorbell; + /* empty doorbell Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + /*clear doorbell interrupt */ + writel(outbound_doorbell, ®->outbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + } + break; - acb->acb_flags |= ACB_F_MSG_START_BGRB; - writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: " - "wait 'start adapter background rebulid' timeout\n", - acb->host->host_no); + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu; + /*clear interrupt and message state*/ + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg); + writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg); + /* let IOP know data has been read */ + } + break; } +} - outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell); - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); - mask = ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE - | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); - writel(intmask_org & mask, ®->outbound_intmask); - acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; +static void arcmsr_iop_init(struct AdapterControlBlock *acb) +{ + uint32_t intmask_org; + + arcmsr_wait_firmware_ready(acb); + arcmsr_iop_confirm(acb); + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + /*start background rebuild*/ + arcmsr_start_adapter_bgrb(acb); + /* empty doorbell Qbuffer if door bell ringed */ + arcmsr_clear_doorbell_queue_buffer(acb); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); acb->acb_flags |= ACB_F_IOP_INITED; } @@ -1421,22 +2097,24 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb) if (atomic_read(&acb->ccboutstandingcount) != 0) { /* talk to iop 331 outstanding command aborted */ arcmsr_abort_allcmd(acb); + /* wait for 3 sec for all command aborted*/ - msleep_interruptible(3000); + ssleep(3); + /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); /* clear all outbound posted Q */ - arcmsr_done4_abort_postqueue(acb); + arcmsr_done4abort_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; + arcmsr_ccb_complete(ccb, 1); } } /* enable all outbound interrupt */ arcmsr_enable_outbound_ints(acb, intmask_org); } - } static int arcmsr_bus_reset(struct scsi_cmnd *cmd) @@ -1450,7 +2128,7 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) for (i = 0; i < 400; i++) { if (!atomic_read(&acb->ccboutstandingcount)) break; - arcmsr_interrupt(acb); + arcmsr_interrupt(acb);/* FIXME: need spinlock */ msleep(25); } arcmsr_iop_reset(acb); @@ -1468,7 +2146,7 @@ static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, /* ** Wait for 3 sec for all command done. */ - msleep_interruptible(3000); + ssleep(3); intmask = arcmsr_disable_outbound_ints(acb); arcmsr_polling_ccbdone(acb, ccb); @@ -1515,6 +2193,8 @@ static const char *arcmsr_info(struct Scsi_Host *host) switch (acb->pdev->device) { case PCI_DEVICE_ID_ARECA_1110: + case PCI_DEVICE_ID_ARECA_1200: + case PCI_DEVICE_ID_ARECA_1202: case PCI_DEVICE_ID_ARECA_1210: raid6 = 0; /*FALLTHRU*/ @@ -1522,6 +2202,7 @@ static const char *arcmsr_info(struct Scsi_Host *host) case PCI_DEVICE_ID_ARECA_1130: case PCI_DEVICE_ID_ARECA_1160: case PCI_DEVICE_ID_ARECA_1170: + case PCI_DEVICE_ID_ARECA_1201: case PCI_DEVICE_ID_ARECA_1220: case PCI_DEVICE_ID_ARECA_1230: case PCI_DEVICE_ID_ARECA_1260: @@ -1544,287 +2225,82 @@ static const char *arcmsr_info(struct Scsi_Host *host) ARCMSR_DRIVER_VERSION); return buf; } - +#ifdef CONFIG_SCSI_ARCMSR_AER 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; + struct Scsi_Host *host = pci_get_drvdata(pdev); + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *) host->hostdata; + uint32_t intmask_org; + int i, j; - 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); + if (pci_enable_device(pdev)) { return PCI_ERS_RESULT_DISCONNECT; } + pci_set_master(pdev); + intmask_org = arcmsr_disable_outbound_ints(acb); 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; + for (i = 0; i < ARCMSR_MAX_TARGETID; i++) + for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) + acb->devstate[i][j] = ARECA_RAID_GONE; - error = arcmsr_alloc_sysfs_attr(acb); - if (error) - return PCI_ERS_RESULT_DISCONNECT; + arcmsr_wait_firmware_ready(acb); + arcmsr_iop_confirm(acb); + /* disable all outbound interrupt */ + arcmsr_get_firmware_spec(acb); + /*start background rebuild*/ + arcmsr_start_adapter_bgrb(acb); + /* empty doorbell Qbuffer if door bell ringed */ + arcmsr_clear_doorbell_queue_buffer(acb); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + acb->acb_flags |= ACB_F_IOP_INITED; - scsi_scan_host(host); + pci_enable_pcie_error_reporting(pdev); 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 AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; 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; + uint32_t intmask_org; + int i = 0; - 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 (atomic_read(&acb->ccboutstandingcount) != 0) { + /* talk to iop 331 outstanding command aborted */ + arcmsr_abort_allcmd(acb); + /* wait for 3 sec for all command aborted*/ + ssleep(3); + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + /* clear all outbound posted Q */ + arcmsr_done4abort_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; + arcmsr_ccb_complete(ccb, 1); } } - if (found){ - outbound_intstatus = readl(®->outbound_intstatus) & - acb->outbound_int_enable; - writel(outbound_intstatus, ®->outbound_intstatus); - /*clear interrupt*/ - } - return; + /* enable all outbound interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + } + pci_disable_device(pdev); } - 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; + struct Scsi_Host *host = pci_get_drvdata(pdev); + struct AdapterControlBlock *acb = \ + (struct AdapterControlBlock *)host->hostdata; - 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; + arcmsr_stop_adapter_bgrb(acb); + arcmsr_flush_adapter_cache(acb); } static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, @@ -1840,5 +2316,6 @@ static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, break; default: return PCI_ERS_RESULT_NEED_RESET; - } + } } +#endif |