diff options
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 2309 |
1 files changed, 1399 insertions, 910 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index ffa54792bb33..95a895dd4f13 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -58,7 +58,6 @@ #include <linux/timer.h> #include <linux/pci.h> #include <linux/aer.h> -#include <linux/slab.h> #include <asm/dma.h> #include <asm/io.h> #include <asm/system.h> @@ -71,20 +70,13 @@ #include <scsi/scsi_transport.h> #include <scsi/scsicam.h> #include "arcmsr.h" - -#ifdef CONFIG_SCSI_ARCMSR_RESET - static int sleeptime = 20; - static int retrycount = 12; - module_param(sleeptime, int, S_IRUGO|S_IWUSR); - MODULE_PARM_DESC(sleeptime, "The waiting period for FW ready while bus reset"); - module_param(retrycount, int, S_IRUGO|S_IWUSR); - MODULE_PARM_DESC(retrycount, "The retry count for FW ready while bus reset"); -#endif -MODULE_AUTHOR("Erich Chen <support@areca.com.tw>"); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Bus Adapter"); +MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>"); +MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); - +static int sleeptime = 10; +static int retrycount = 30; +wait_queue_head_t wait_q; static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); static int arcmsr_iop_confirm(struct AdapterControlBlock *acb); @@ -107,10 +99,12 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb); static void arcmsr_request_device_map(unsigned long pacb); static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb); static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb); +static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb); static void arcmsr_message_isr_bh_fn(struct work_struct *work); -static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode); +static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); - +static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB); +static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, @@ -127,18 +121,18 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, static struct scsi_host_template arcmsr_scsi_host_template = { .module = THIS_MODULE, - .name = "ARCMSR ARECA SATA/SAS RAID Host Bus Adapter" - ARCMSR_DRIVER_VERSION, + .name = "ARCMSR ARECA SATA/SAS RAID Controller" + ARCMSR_DRIVER_VERSION, .info = arcmsr_info, .queuecommand = arcmsr_queue_command, - .eh_abort_handler = arcmsr_abort, + .eh_abort_handler = arcmsr_abort, .eh_bus_reset_handler = arcmsr_bus_reset, .bios_param = arcmsr_bios_param, .change_queue_depth = arcmsr_adjust_disk_queue_depth, - .can_queue = ARCMSR_MAX_OUTSTANDING_CMD, - .this_id = ARCMSR_SCSI_INITIATOR_ID, - .sg_tablesize = ARCMSR_MAX_SG_ENTRIES, - .max_sectors = ARCMSR_MAX_XFER_SECTORS, + .can_queue = ARCMSR_MAX_FREECCB_NUM, + .this_id = ARCMSR_SCSI_INITIATOR_ID, + .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES, + .max_sectors = ARCMSR_MAX_XFER_SECTORS_C, .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = arcmsr_host_attrs, @@ -162,26 +156,125 @@ static struct pci_device_id arcmsr_device_id_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)}, {0, 0}, /* Terminating entry */ }; MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table); static struct pci_driver arcmsr_pci_driver = { .name = "arcmsr", - .id_table = arcmsr_device_id_table, + .id_table = arcmsr_device_id_table, .probe = arcmsr_probe, .remove = arcmsr_remove, .shutdown = arcmsr_shutdown, }; +/* +**************************************************************************** +**************************************************************************** +*/ +int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd) +{ + struct Scsi_Host *shost = NULL; + int i, isleep; + shost = cmd->device->host; + isleep = sleeptime / 10; + if (isleep > 0) { + for (i = 0; i < isleep; i++) { + msleep(10000); + } + } + + isleep = sleeptime % 10; + if (isleep > 0) { + msleep(isleep*1000); + } + printk(KERN_NOTICE "wake-up\n"); + return 0; +} + +static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + case ACB_ADAPTER_TYPE_C: + break; + case ACB_ADAPTER_TYPE_B:{ + dma_free_coherent(&acb->pdev->dev, + sizeof(struct MessageUnit_B), + acb->pmuB, acb->dma_coherent_handle_hbb_mu); + } + } +} + +static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) +{ + struct pci_dev *pdev = acb->pdev; + switch (acb->adapter_type){ + case ACB_ADAPTER_TYPE_A:{ + acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0)); + if (!acb->pmuA) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + break; + } + case ACB_ADAPTER_TYPE_B:{ + void __iomem *mem_base0, *mem_base1; + mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + if (!mem_base0) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); + if (!mem_base1) { + iounmap(mem_base0); + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + acb->mem_base0 = mem_base0; + acb->mem_base1 = mem_base1; + break; + } + case ACB_ADAPTER_TYPE_C:{ + acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); + if (!acb->pmuC) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/ + return true; + } + break; + } + } + return true; +} + +static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A:{ + iounmap(acb->pmuA); + } + break; + case ACB_ADAPTER_TYPE_B:{ + iounmap(acb->mem_base0); + iounmap(acb->mem_base1); + } + + break; + case ACB_ADAPTER_TYPE_C:{ + iounmap(acb->pmuC); + } + } +} static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) { irqreturn_t handle_state; struct AdapterControlBlock *acb = dev_id; - spin_lock(acb->host->host_lock); handle_state = arcmsr_interrupt(acb); - spin_unlock(acb->host->host_lock); - return handle_state; } @@ -218,181 +311,228 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb) struct pci_dev *pdev = acb->pdev; u16 dev_id; pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id); + acb->dev_id = dev_id; switch (dev_id) { - case 0x1201 : { + case 0x1880: { + acb->adapter_type = ACB_ADAPTER_TYPE_C; + } + break; + case 0x1201: { acb->adapter_type = ACB_ADAPTER_TYPE_B; } break; - default : acb->adapter_type = ACB_ADAPTER_TYPE_A; + default: acb->adapter_type = ACB_ADAPTER_TYPE_A; } -} +} -static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) +static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb) { + struct MessageUnit_A __iomem *reg = acb->pmuA; + 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 true; + } + msleep(10); + }/*max 1 seconds*/ - 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; - int i, j; + } while (Retries++ < 20);/*max 20 sec*/ + return false; +} - acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); - if (!acb->pmuA) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", - acb->host->host_no); - return -ENOMEM; - } +static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + uint32_t Index; + uint8_t Retries = 0x00; + do { + for (Index = 0; Index < 100; Index++) { + if (readl(reg->iop2drv_doorbell) + & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN + , reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); + return true; + } + msleep(10); + }/*max 1 seconds*/ - dma_coherent = dma_alloc_coherent(&pdev->dev, - ARCMSR_MAX_FREECCB_NUM * - sizeof (struct CommandControlBlock) + 0x20, - &dma_coherent_handle, GFP_KERNEL); + } while (Retries++ < 20);/*max 20 sec*/ + return false; +} - if (!dma_coherent) { - iounmap(acb->pmuA); - return -ENOMEM; +static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + unsigned char Retries = 0x00; + uint32_t Index; + do { + for (Index = 0; Index < 100; Index++) { + if (readl(&phbcmu->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &phbcmu->outbound_doorbell_clear);/*clear interrupt*/ + return true; + } + /* one us delay */ + msleep(10); + } /*max 1 seconds*/ + } while (Retries++ < 20); /*max 20 sec*/ + return false; +} +static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = acb->pmuA; + 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); +} - 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)); +static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + int retry_count = 30; + writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); + 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); +} - 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++; +static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */ + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + do { + if (arcmsr_hbc_wait_msgint_ready(pACB)) { + break; + } else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout,retry count down = %d \n", pACB->host->host_no, retry_count); } + } while (retry_count != 0); + return; +} +static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { - 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; + case ACB_ADAPTER_TYPE_A: { + arcmsr_flush_hba_cache(acb); } break; case ACB_ADAPTER_TYPE_B: { - - struct pci_dev *pdev = acb->pdev; - struct MessageUnit_B *reg; - void __iomem *mem_base0, *mem_base1; - void *dma_coherent; - dma_addr_t dma_coherent_handle, dma_addr; - 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; - - 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)); - } - - 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->pmuB = reg; - mem_base0 = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - if (!mem_base0) - goto out; - - mem_base1 = ioremap(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); - if (!mem_base1) { - iounmap(mem_base0); - goto out; - } - - reg->drv2iop_doorbell_reg = mem_base0 + ARCMSR_DRV2IOP_DOORBELL; - reg->drv2iop_doorbell_mask_reg = mem_base0 + - ARCMSR_DRV2IOP_DOORBELL_MASK; - reg->iop2drv_doorbell_reg = mem_base0 + ARCMSR_IOP2DRV_DOORBELL; - reg->iop2drv_doorbell_mask_reg = mem_base0 + - ARCMSR_IOP2DRV_DOORBELL_MASK; - reg->ioctl_wbuffer_reg = mem_base1 + ARCMSR_IOCTL_WBUFFER; - reg->ioctl_rbuffer_reg = mem_base1 + ARCMSR_IOCTL_RBUFFER; - reg->msgcode_rwbuffer_reg = 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; + arcmsr_flush_hbb_cache(acb); } break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_flush_hbc_cache(acb); + } } - return 0; - -out: - dma_free_coherent(&acb->pdev->dev, - (ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 + - sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle); - return -ENOMEM; } -static void arcmsr_message_isr_bh_fn(struct work_struct *work) + +static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) { - struct AdapterControlBlock *acb = container_of(work, struct AdapterControlBlock, arcmsr_do_message_isr_bh); + struct pci_dev *pdev = acb->pdev; + void *dma_coherent; + dma_addr_t dma_coherent_handle; + struct CommandControlBlock *ccb_tmp; + int i = 0, j = 0; + dma_addr_t cdb_phyaddr; + unsigned long roundup_ccbsize = 0, offset; + unsigned long max_xfer_len; + unsigned long max_sg_entrys; + uint32_t firm_config_version; + for (i = 0; i < ARCMSR_MAX_TARGETID; i++) + for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) + acb->devstate[i][j] = ARECA_RAID_GONE; + + max_xfer_len = ARCMSR_MAX_XFER_LEN; + max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; + firm_config_version = acb->firm_cfg_version; + if((firm_config_version & 0xFF) >= 3){ + max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */ + max_sg_entrys = (max_xfer_len/4096); + } + acb->host->max_sectors = max_xfer_len/512; + acb->host->sg_tablesize = max_sg_entrys; + roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); + acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM + 32; + dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); + if(!dma_coherent){ + printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no); + return -ENOMEM; + } + acb->dma_coherent = dma_coherent; + acb->dma_coherent_handle = dma_coherent_handle; + memset(dma_coherent, 0, acb->uncache_size); + offset = roundup((unsigned long)dma_coherent, 32) - (unsigned long)dma_coherent; + dma_coherent_handle = dma_coherent_handle + offset; + dma_coherent = (struct CommandControlBlock *)dma_coherent + offset; + ccb_tmp = dma_coherent; + acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; + for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ + cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); + ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5)); + acb->pccb_pool[i] = ccb_tmp; + ccb_tmp->acb = acb; + INIT_LIST_HEAD(&ccb_tmp->list); + list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); + ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); + dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; + } + return 0; +} +static void arcmsr_message_isr_bh_fn(struct work_struct *work) +{ + struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh); switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; char *acb_dev_map = (char *)acb->device_map; - uint32_t __iomem *signature = (uint32_t __iomem *) (®->message_rwbuffer[0]); - char __iomem *devicemap = (char __iomem *) (®->message_rwbuffer[21]); + uint32_t __iomem *signature = (uint32_t __iomem*) (®->message_rwbuffer[0]); + char __iomem *devicemap = (char __iomem*) (®->message_rwbuffer[21]); int target, lun; struct scsi_device *psdev; char diff; atomic_inc(&acb->rq_map_token); if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { - for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) { + for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) { diff = (*acb_dev_map)^readb(devicemap); if (diff != 0) { char temp; *acb_dev_map = readb(devicemap); - temp = *acb_dev_map; - for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { - if ((temp & 0x01) == 1 && (diff & 0x01) == 1) { + temp =*acb_dev_map; + for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if((temp & 0x01)==1 && (diff & 0x01) == 1) { scsi_add_device(acb->host, 0, target, lun); - } else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) { + }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) { psdev = scsi_device_lookup(acb->host, 0, target, lun); - if (psdev != NULL) { + if (psdev != NULL ) { scsi_remove_device(psdev); scsi_device_put(psdev); } @@ -411,8 +551,45 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; char *acb_dev_map = (char *)acb->device_map; - uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer_reg[0]); - char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer_reg[21]); + uint32_t __iomem *signature = (uint32_t __iomem*)(®->message_rwbuffer[0]); + char __iomem *devicemap = (char __iomem*)(®->message_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) { + diff = (*acb_dev_map)^readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp =*acb_dev_map; + for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if((temp & 0x01)==1 && (diff & 0x01) == 1) { + scsi_add_device(acb->host, 0, target, lun); + }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, 0, target, lun); + if (psdev != NULL ) { + scsi_remove_device(psdev); + scsi_device_put(psdev); + } + } + temp >>= 1; + diff >>= 1; + } + } + devicemap++; + acb_dev_map++; + } + } + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); + char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]); int target, lun; struct scsi_device *psdev; char diff; @@ -447,185 +624,152 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work) } } -static int arcmsr_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct Scsi_Host *host; struct AdapterControlBlock *acb; - uint8_t bus, dev_fun; + uint8_t bus,dev_fun; int error; - error = pci_enable_device(pdev); - if (error) - goto out; - pci_set_master(pdev); - - host = scsi_host_alloc(&arcmsr_scsi_host_template, - sizeof(struct AdapterControlBlock)); - if (!host) { - error = -ENOMEM; - goto out_disable_device; + if(error){ + return -ENODEV; + } + host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); + if(!host){ + goto pci_disable_dev; } - acb = (struct AdapterControlBlock *)host->hostdata; - memset(acb, 0, sizeof (struct AdapterControlBlock)); - error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); - if (error) { + if(error){ error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (error) { + if(error){ printk(KERN_WARNING "scsi%d: No suitable DMA mask available\n", host->host_no); - goto out_host_put; + goto scsi_host_release; } } + init_waitqueue_head(&wait_q); bus = pdev->bus->number; dev_fun = pdev->devfn; - acb->host = host; + acb = (struct AdapterControlBlock *) host->hostdata; + memset(acb,0,sizeof(struct AdapterControlBlock)); acb->pdev = pdev; - host->max_sectors = ARCMSR_MAX_XFER_SECTORS; + acb->host = host; 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->max_id = ARCMSR_MAX_TARGETID; /*16:8*/ + host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/ + 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; + pci_set_drvdata(pdev, host); + pci_set_master(pdev); error = pci_request_regions(pdev, "arcmsr"); - if (error) { - goto out_host_put; + if(error){ + goto scsi_host_release; } - arcmsr_define_adapter_type(acb); - + spin_lock_init(&acb->eh_lock); + spin_lock_init(&acb->ccblist_lock); acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | - ACB_F_MESSAGE_RQBUFFER_CLEARED | - ACB_F_MESSAGE_WQBUFFER_READED); + ACB_F_MESSAGE_RQBUFFER_CLEARED | + ACB_F_MESSAGE_WQBUFFER_READED); acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER; INIT_LIST_HEAD(&acb->ccb_free_list); - INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); + arcmsr_define_adapter_type(acb); + error = arcmsr_remap_pciregion(acb); + if(!error){ + goto pci_release_regs; + } + error = arcmsr_get_firmware_spec(acb); + if(!error){ + goto unmap_pci_region; + } error = arcmsr_alloc_ccb_pool(acb); - if (error) - goto out_release_regions; - + if(error){ + goto free_hbb_mu; + } arcmsr_iop_init(acb); - error = request_irq(pdev->irq, arcmsr_do_interrupt, - IRQF_SHARED, "arcmsr", acb); - if (error) - goto out_free_ccb_pool; - - 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) - goto out_free_irq; - - error = arcmsr_alloc_sysfs_attr(acb); - if (error) - goto out_free_sysfs; - - scsi_scan_host(host); - #ifdef CONFIG_SCSI_ARCMSR_AER - pci_enable_pcie_error_reporting(pdev); - #endif + if(error){ + goto RAID_controller_stop; + } + error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb); + if(error){ + goto scsi_host_remove; + } + host->irq = pdev->irq; + scsi_scan_host(host); + INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); atomic_set(&acb->rq_map_token, 16); - acb->fw_state = true; + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; init_timer(&acb->eternal_timer); - acb->eternal_timer.expires = jiffies + msecs_to_jiffies(10*HZ); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); acb->eternal_timer.data = (unsigned long) acb; acb->eternal_timer.function = &arcmsr_request_device_map; add_timer(&acb->eternal_timer); - + if(arcmsr_alloc_sysfs_attr(acb)) + goto out_free_sysfs; return 0; - out_free_sysfs: - out_free_irq: - free_irq(pdev->irq, acb); - out_free_ccb_pool: +out_free_sysfs: +scsi_host_remove: + scsi_remove_host(host); +RAID_controller_stop: + arcmsr_stop_adapter_bgrb(acb); + arcmsr_flush_adapter_cache(acb); arcmsr_free_ccb_pool(acb); - out_release_regions: +free_hbb_mu: + arcmsr_free_hbb_mu(acb); +unmap_pci_region: + arcmsr_unmap_pciregion(acb); +pci_release_regs: pci_release_regions(pdev); - out_host_put: +scsi_host_release: scsi_host_put(host); - out_disable_device: +pci_disable_dev: pci_disable_device(pdev); - out: - return error; -} - -static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb) -{ - struct MessageUnit_A __iomem *reg = acb->pmuA; - 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_B *reg = acb->pmuB; - 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); - writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg); - return 0x00; - } - msleep(10); - }/*max 1 seconds*/ - - } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; + return -ENODEV; } static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; - writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); - if (arcmsr_hba_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); - return 0xff; + return false; } - return 0x00; + return true; } static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell_reg); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'abort all outstanding command' timeout \n" , acb->host->host_no); - return 0xff; + return false; } - return 0x00; + return true; +} +static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'abort all outstanding command' timeout \n" + , pACB->host->host_no); + return false; + } + return true; } - static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) { uint8_t rtnval = 0; @@ -638,10 +782,26 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { rtnval = arcmsr_abort_hbb_allcmd(acb); } + break; + + case ACB_ADAPTER_TYPE_C: { + rtnval = arcmsr_abort_hbc_allcmd(acb); + } } return rtnval; } +static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb) +{ + struct MessageUnit_B *reg = pacb->pmuB; + writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(pacb)) { + printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no); + return false; + } + return true; +} + static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) { struct scsi_cmnd *pcmd = ccb->pcmd; @@ -649,75 +809,25 @@ static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) scsi_dma_unmap(pcmd); } -static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag) +static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) { struct AdapterControlBlock *acb = ccb->acb; struct scsi_cmnd *pcmd = ccb->pcmd; - + unsigned long flags; + atomic_dec(&acb->ccboutstandingcount); arcmsr_pci_unmap_dma(ccb); - if (stand_flag == 1) - atomic_dec(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_DONE; - ccb->ccb_flags = 0; + spin_lock_irqsave(&acb->ccblist_lock, flags); list_add_tail(&ccb->list, &acb->ccb_free_list); + spin_unlock_irqrestore(&acb->ccblist_lock, flags); pcmd->scsi_done(pcmd); } -static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) -{ - struct MessageUnit_A __iomem *reg = acb->pmuA; - 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 = acb->pmuB; - 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 = @@ -733,8 +843,7 @@ static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) { u32 orig_mask = 0; - switch (acb->adapter_type) { - + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A : { struct MessageUnit_A __iomem *reg = acb->pmuA; orig_mask = readl(®->outbound_intmask); @@ -742,35 +851,40 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) ®->outbound_intmask); } break; - case ACB_ADAPTER_TYPE_B : { struct MessageUnit_B *reg = acb->pmuB; - orig_mask = readl(reg->iop2drv_doorbell_mask_reg); - writel(0, reg->iop2drv_doorbell_mask_reg); + orig_mask = readl(reg->iop2drv_doorbell_mask); + writel(0, reg->iop2drv_doorbell_mask); + } + break; + case ACB_ADAPTER_TYPE_C:{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + /* disable all outbound interrupt */ + orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */ + writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); } break; } return orig_mask; } -static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \ - struct CommandControlBlock *ccb, uint32_t flag_ccb) +static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, + struct CommandControlBlock *ccb, bool error) { - uint8_t id, lun; id = ccb->pcmd->device->id; lun = ccb->pcmd->device->lun; - if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { + if (!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 { + arcmsr_ccb_complete(ccb); + }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); + arcmsr_ccb_complete(ccb); } break; @@ -779,49 +893,49 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \ 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_ccb_complete(ccb); } break; case ARCMSR_DEV_CHECK_CONDITION: { acb->devstate[id][lun] = ARECA_RAID_GOOD; arcmsr_report_sense_info(ccb); - arcmsr_ccb_complete(ccb, 1); + arcmsr_ccb_complete(ccb); } 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); + 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); break; } } } -static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t flag_ccb) +static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) { - 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; + int id, lun; + if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if (pCCB->startdone == ARCMSR_CCB_ABORTED) { + struct scsi_cmnd *abortcmd = pCCB->pcmd; if (abortcmd) { + id = abortcmd->device->id; + lun = abortcmd->device->lun; 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); + arcmsr_ccb_complete(pCCB); + printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n", + acb->host->host_no, pCCB); } + return; } printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \ done acb = '0x%p'" @@ -829,20 +943,22 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t fla " ccboutstandingcount = %d \n" , acb->host->host_no , acb - , ccb - , ccb->acb - , ccb->startdone + , pCCB + , pCCB->acb + , pCCB->startdone , atomic_read(&acb->ccboutstandingcount)); + return; } - else - arcmsr_report_ccb_state(acb, ccb, flag_ccb); + arcmsr_report_ccb_state(acb, pCCB, error); } static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) { int i = 0; uint32_t flag_ccb; - + struct ARCMSR_CDB *pARCMSR_CDB; + bool error; + struct CommandControlBlock *pCCB; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -852,9 +968,12 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) 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) + while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); } } break; @@ -862,17 +981,37 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; /*clear all outbound posted Q*/ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, ®->iop2drv_doorbell); /* clear doorbell interrupt */ 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); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); } - writel(0, ®->post_qbuffer[i]); + reg->post_qbuffer[i] = 0; } reg->doneq_index = 0; reg->postq_index = 0; } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + struct ARCMSR_CDB *pARCMSR_CDB; + uint32_t flag_ccb, ccb_cdb_phy; + bool error; + struct CommandControlBlock *pCCB; + while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + /*need to do*/ + flag_ccb = readl(®->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + } + } } } static void arcmsr_remove(struct pci_dev *pdev) @@ -887,11 +1026,11 @@ static void arcmsr_remove(struct pci_dev *pdev) del_timer_sync(&acb->eternal_timer); arcmsr_disable_outbound_ints(acb); arcmsr_stop_adapter_bgrb(acb); - arcmsr_flush_adapter_cache(acb); + arcmsr_flush_adapter_cache(acb); acb->acb_flags |= ACB_F_SCSISTOPADAPTER; acb->acb_flags &= ~ACB_F_IOP_INITED; - for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++) { + for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){ if (!atomic_read(&acb->ccboutstandingcount)) break; arcmsr_interrupt(acb);/* FIXME: need spinlock */ @@ -908,17 +1047,16 @@ static void arcmsr_remove(struct pci_dev *pdev) if (ccb->startdone == ARCMSR_CCB_START) { ccb->startdone = ARCMSR_CCB_ABORTED; ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); + arcmsr_ccb_complete(ccb); } } } - free_irq(pdev->irq, acb); arcmsr_free_ccb_pool(acb); + arcmsr_free_hbb_mu(acb); + arcmsr_unmap_pciregion(acb); pci_release_regions(pdev); - scsi_host_put(host); - pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); } @@ -938,7 +1076,6 @@ static void arcmsr_shutdown(struct pci_dev *pdev) static int arcmsr_module_init(void) { int error = 0; - error = pci_register_driver(&arcmsr_pci_driver); return error; } @@ -954,10 +1091,9 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org) { u32 mask; - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A : { + case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE| @@ -967,15 +1103,22 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, } break; - case ACB_ADAPTER_TYPE_B : { + case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | ARCMSR_IOP2DRV_DATA_READ_OK | ARCMSR_IOP2DRV_CDB_DONE | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); - writel(mask, reg->iop2drv_doorbell_mask_reg); + writel(mask, reg->iop2drv_doorbell_mask); acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); + writel(intmask_org & mask, ®->host_int_mask); + acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f; + } } } @@ -986,80 +1129,70 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb, int8_t *psge = (int8_t *)&arcmsr_cdb->u; __le32 address_lo, address_hi; int arccdbsize = 0x30; + __le32 length = 0; + int i; + struct scatterlist *sg; int nseg; - ccb->pcmd = pcmd; memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); - arcmsr_cdb->Bus = 0; arcmsr_cdb->TargetID = pcmd->device->id; arcmsr_cdb->LUN = pcmd->device->lun; arcmsr_cdb->Function = 1; - arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len; - arcmsr_cdb->Context = (unsigned long)arcmsr_cdb; + arcmsr_cdb->Context = 0; memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); nseg = scsi_dma_map(pcmd); - if (nseg > ARCMSR_MAX_SG_ENTRIES) + if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0)) return FAILED; - BUG_ON(nseg < 0); - - if (nseg) { - __le32 length; - int i, cdb_sgcount = 0; - struct scatterlist *sg; - - /* map stor port SG list to our iop SG List. */ - scsi_for_each_sg(pcmd, sg, nseg, i) { - /* Get the physical address of the current data pointer */ - length = cpu_to_le32(sg_dma_len(sg)); - address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg))); - address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg))); - if (address_hi == 0) { - struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; - - pdma_sg->address = address_lo; - pdma_sg->length = length; - psge += sizeof (struct SG32ENTRY); - arccdbsize += sizeof (struct SG32ENTRY); - } else { - struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; + scsi_for_each_sg(pcmd, sg, nseg, i) { + /* Get the physical address of the current data pointer */ + length = cpu_to_le32(sg_dma_len(sg)); + address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg))); + address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg))); + if (address_hi == 0) { + struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; + + pdma_sg->address = address_lo; + pdma_sg->length = length; + psge += sizeof (struct SG32ENTRY); + arccdbsize += sizeof (struct SG32ENTRY); + } else { + struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; - pdma_sg->addresshigh = address_hi; - pdma_sg->address = address_lo; - pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR); - psge += sizeof (struct SG64ENTRY); - arccdbsize += sizeof (struct SG64ENTRY); - } - cdb_sgcount++; + pdma_sg->addresshigh = address_hi; + pdma_sg->address = address_lo; + pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR); + psge += sizeof (struct SG64ENTRY); + arccdbsize += sizeof (struct SG64ENTRY); } - arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount; - arcmsr_cdb->DataLength = scsi_bufflen(pcmd); - if ( arccdbsize > 256) - arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; } - if (pcmd->sc_data_direction == DMA_TO_DEVICE ) { + arcmsr_cdb->sgcount = (uint8_t)nseg; + arcmsr_cdb->DataLength = scsi_bufflen(pcmd); + arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); + if ( arccdbsize > 256) + arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; + if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0]|WRITE_10 || pcmd->cmnd[0]|WRITE_12 ){ arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; - ccb->ccb_flags |= CCB_FLAG_WRITE; } + ccb->arc_cdb_size = arccdbsize; return SUCCESS; } static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { - uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr; + uint32_t cdb_phyaddr_pattern = ccb->cdb_phyaddr_pattern; struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; atomic_inc(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_START; - switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) - writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, ®->inbound_queueport); else { - writel(cdb_shifted_phyaddr, ®->inbound_queueport); + writel(cdb_phyaddr_pattern, ®->inbound_queueport); } } break; @@ -1071,18 +1204,30 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr 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,\ + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ ®->post_qbuffer[index]); - } - else { - writel(cdb_shifted_phyaddr, ®->post_qbuffer[index]); + } else { + writel(cdb_phyaddr_pattern, ®->post_qbuffer[index]); } 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); + writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + uint32_t ccb_post_stamp, arc_cdb_size; + + arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size; + ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1); + if (acb->cdb_phyaddr_hi32) { + writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high); + writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + } else { + writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + } + } } } @@ -1091,8 +1236,7 @@ static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb) struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - - if (arcmsr_hba_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); @@ -1103,15 +1247,28 @@ static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; - writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell_reg); + writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + 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_hbc_bgrb(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" + , pACB->host->host_no); + } + return; +} static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -1124,30 +1281,15 @@ static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) arcmsr_stop_hbb_bgrb(acb); } break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_stop_hbc_bgrb(acb); + } } } static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) { - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - iounmap(acb->pmuA); - dma_free_coherent(&acb->pdev->dev, - ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20, - acb->dma_coherent, - acb->dma_coherent_handle); - break; - } - case ACB_ADAPTER_TYPE_B: { - struct MessageUnit_B *reg = acb->pmuB; - iounmap((u8 *)reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL); - iounmap((u8 *)reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER); - dma_free_coherent(&acb->pdev->dev, - (ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 + - sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle); - } - } - + dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); } void arcmsr_iop_message_read(struct AdapterControlBlock *acb) @@ -1161,9 +1303,13 @@ void arcmsr_iop_message_read(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg); + writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + } } } @@ -1186,7 +1332,16 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) ** 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); + writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell); + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; + /* + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post + */ + writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell); } break; } @@ -1195,7 +1350,6 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *qbuffer = NULL; - switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -1206,9 +1360,13 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - qbuffer = (struct QBUFFER __iomem *)reg->ioctl_rbuffer_reg; + qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer; + } } return qbuffer; } @@ -1216,7 +1374,6 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *pqbuffer = NULL; - switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -1227,9 +1384,14 @@ static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBloc case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - pqbuffer = (struct QBUFFER __iomem *)reg->ioctl_wbuffer_reg; + pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; + } + } return pqbuffer; } @@ -1240,19 +1402,18 @@ static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) struct QBUFFER *pQbuffer; uint8_t __iomem *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 __iomem *)prbuffer->data; iop_len = prbuffer->data_len; - my_empty_len = (rqbuf_firstindex - rqbuf_lastindex -1)&(ARCMSR_MAX_QBUFFER -1); + 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); + memcpy(pQbuffer, iop_data, 1); rqbuf_lastindex++; rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; iop_data++; @@ -1303,25 +1464,52 @@ static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb) { uint32_t outbound_doorbell; struct MessageUnit_A __iomem *reg = acb->pmuA; - 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) { + if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) { arcmsr_iop2drv_data_read_handle(acb); } } - +static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB) +{ + uint32_t outbound_doorbell; + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + /* + ******************************************************************* + ** Maybe here we need to check wrqbuffer_lock is lock or not + ** DOORBELL: din! don! + ** check if there are any mail need to pack from firmware + ******************************************************************* + */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear);/*clear interrupt*/ + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(pACB); + } + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(pACB); + } + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */ + } + return; +} static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) { uint32_t flag_ccb; struct MessageUnit_A __iomem *reg = acb->pmuA; - + struct ARCMSR_CDB *pARCMSR_CDB; + struct CommandControlBlock *pCCB; + bool error; while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); } } @@ -1330,29 +1518,62 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) uint32_t index; uint32_t flag_ccb; struct MessageUnit_B *reg = acb->pmuB; - + struct ARCMSR_CDB *pARCMSR_CDB; + struct CommandControlBlock *pCCB; + bool error; index = reg->doneq_index; - while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) { writel(0, ®->done_qbuffer[index]); - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); index++; index %= ARCMSR_MAX_HBB_POSTQUEUE; reg->doneq_index = index; } } + +static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C *phbcmu; + struct ARCMSR_CDB *arcmsr_cdb; + struct CommandControlBlock *ccb; + uint32_t flag_ccb, ccb_cdb_phy, throttling = 0; + int error; + + phbcmu = (struct MessageUnit_C *)acb->pmuC; + /* areca cdb command done */ + /* Use correct offset and size for syncing */ + + while (readl(&phbcmu->host_int_status) & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){ + /* check if command done with no error*/ + flag_ccb = readl(&phbcmu->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/ + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + /* check if command done with no error */ + arcmsr_drain_donequeue(acb, ccb, error); + if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) { + writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell); + break; + } + throttling++; + } +} /* ********************************************************************************** ** Handle a message interrupt ** -** The only message interrupt we expect is in response to a query for the current adapter config. +** The only message interrupt we expect is in response to a query for the current adapter config. ** We want this in order to compare the drivemap so that we can detect newly-attached drives. ********************************************************************************** */ static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_A *reg = acb->pmuA; - /*clear interrupt and message state*/ writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); schedule_work(&acb->arcmsr_do_message_isr_bh); @@ -1362,16 +1583,32 @@ static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb) struct MessageUnit_B *reg = acb->pmuB; /*clear interrupt and message state*/ - writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg); + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); + schedule_work(&acb->arcmsr_do_message_isr_bh); +} +/* +********************************************************************************** +** Handle a message interrupt +** +** The only message interrupt we expect is in response to a query for the +** current adapter config. +** We want this in order to compare the drivemap so that we can detect newly-attached drives. +********************************************************************************** +*/ +static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C *reg = acb->pmuC; + /*clear interrupt and message state*/ + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); schedule_work(&acb->arcmsr_do_message_isr_bh); } + static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) { uint32_t outbound_intstatus; struct MessageUnit_A __iomem *reg = acb->pmuA; - outbound_intstatus = readl(®->outbound_intstatus) & - acb->outbound_int_enable; + acb->outbound_int_enable; if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) { return 1; } @@ -1382,7 +1619,7 @@ static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { arcmsr_hba_postqueue_isr(acb); } - if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { + if(outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { /* messenger of "driver to iop commands" */ arcmsr_hba_message_isr(acb); } @@ -1393,18 +1630,17 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) { uint32_t outbound_doorbell; struct MessageUnit_B *reg = acb->pmuB; - - outbound_doorbell = readl(reg->iop2drv_doorbell_reg) & - acb->outbound_int_enable; + outbound_doorbell = readl(reg->iop2drv_doorbell) & + acb->outbound_int_enable; if (!outbound_doorbell) return 1; - writel(~outbound_doorbell, reg->iop2drv_doorbell_reg); + writel(~outbound_doorbell, reg->iop2drv_doorbell); /*in case the last action of doorbell interrupt clearance is cached, this action can push HW to write down the clear bit*/ - readl(reg->iop2drv_doorbell_reg); - writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg); - if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { + readl(reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); + if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { arcmsr_iop2drv_data_wrote_handle(acb); } if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) { @@ -1413,14 +1649,37 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) { arcmsr_hbb_postqueue_isr(acb); } - if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { + if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { /* messenger of "driver to iop commands" */ arcmsr_hbb_message_isr(acb); } - return 0; } +static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB) +{ + uint32_t host_interrupt_status; + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + /* + ********************************************* + ** check outbound intstatus + ********************************************* + */ + host_interrupt_status = readl(&phbcmu->host_int_status); + if (!host_interrupt_status) { + /*it must be share irq*/ + return 1; + } + /* MU ioctl transfer doorbell interrupts*/ + if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) { + arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */ + } + /* MU post queue interrupts*/ + if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) { + arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */ + } + return 0; +} static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -1437,6 +1696,11 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) } } break; + case ACB_ADAPTER_TYPE_C: { + if (arcmsr_handle_hbc_isr(acb)) { + return IRQ_NONE; + } + } } return IRQ_HANDLED; } @@ -1463,7 +1727,6 @@ void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb) struct QBUFFER __iomem *pwbuffer; uint8_t __iomem *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) { @@ -1496,7 +1759,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, (uint32_t ) cmd->cmnd[7] << 8 | (uint32_t ) cmd->cmnd[8]; /* 4 bytes: Areca io control code */ - sg = scsi_sglist(cmd); buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; if (scsi_sg_count(cmd) > 1) { @@ -1522,13 +1784,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - - if (!acb->fw_state) { - pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; - } - + ptmpQbuffer = ver_addr; while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) && (allxfer_len < 1031)) { @@ -1560,7 +1816,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, } memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len); pcmdmessagefld->cmdmessage.Length = allxfer_len; - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + } kfree(ver_addr); } break; @@ -1575,12 +1835,13 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - if (!acb->fw_state) { - pcmdmessagefld->cmdmessage.ReturnCode = + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; } - ptmpuserbuffer = ver_addr; user_len = pcmdmessagefld->cmdmessage.Length; memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); @@ -1633,12 +1894,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, case ARCMSR_MESSAGE_CLEAR_RQBUFFER: { uint8_t *pQbuffer = acb->rqbuffer; - if (!acb->fw_state) { - pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; - } - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; arcmsr_iop_message_read(acb); @@ -1647,16 +1902,24 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, acb->rqbuf_firstindex = 0; acb->rqbuf_lastindex = 0; memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } } break; case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { uint8_t *pQbuffer = acb->wqbuffer; - if (!acb->fw_state) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; } if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { @@ -1669,18 +1932,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, 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; - if (!acb->fw_state) { - pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; - } if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; @@ -1698,47 +1954,52 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, memset(pQbuffer, 0, sizeof(struct QBUFFER)); pQbuffer = acb->wqbuffer; memset(pQbuffer, 0, sizeof(struct QBUFFER)); - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } } break; case ARCMSR_MESSAGE_RETURN_CODE_3F: { - if (!acb->fw_state) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; - } - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_3F; } break; - + } case ARCMSR_MESSAGE_SAY_HELLO: { int8_t *hello_string = "Hello! I am ARCMSR"; - if (!acb->fw_state) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; + }else{ + 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: - if (!acb->fw_state) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; } arcmsr_iop_parking(acb); break; case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: - if (!acb->fw_state) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - goto message_out; } arcmsr_flush_adapter_cache(acb); break; @@ -1756,11 +2017,16 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock { struct list_head *head = &acb->ccb_free_list; struct CommandControlBlock *ccb = NULL; - + unsigned long flags; + spin_lock_irqsave(&acb->ccblist_lock, flags); if (!list_empty(head)) { ccb = list_entry(head->next, struct CommandControlBlock, list); - list_del(head->next); + list_del_init(&ccb->list); + }else{ + spin_unlock_irqrestore(&acb->ccblist_lock, flags); + return 0; } + spin_unlock_irqrestore(&acb->ccblist_lock, flags); return ccb; } @@ -1826,83 +2092,29 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, cmd->scsi_done = done; cmd->host_scribble = NULL; cmd->result = 0; - - if ((scsicmd == SYNCHRONIZE_CACHE) || (scsicmd == SEND_DIAGNOSTIC)) { - if (acb->devstate[target][lun] == ARECA_RAID_GONE) { - cmd->result = (DID_NO_CONNECT << 16); + if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){ + if(acb->devstate[target][lun] == ARECA_RAID_GONE) { + cmd->result = (DID_NO_CONNECT << 16); } cmd->scsi_done(cmd); return 0; } - - if (acb->acb_flags & ACB_F_BUS_RESET) { - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - struct MessageUnit_A __iomem *reg = acb->pmuA; - uint32_t intmask_org, outbound_doorbell; - - if ((readl(®->outbound_msgaddr1) & - ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { - printk(KERN_NOTICE "arcmsr%d: bus reset and return busy\n", - acb->host->host_no); - return SCSI_MLQUEUE_HOST_BUSY; - } - - acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP; - printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok\n", - acb->host->host_no); - /* disable all outbound interrupt */ - intmask_org = arcmsr_disable_outbound_ints(acb); - arcmsr_get_firmware_spec(acb, 1); - /*start background rebuild*/ - arcmsr_start_adapter_bgrb(acb); - /* clear Qbuffer if door bell ringed */ - outbound_doorbell = readl(®->outbound_doorbell); - /*clear interrupt */ - writel(outbound_doorbell, ®->outbound_doorbell); - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); - /* enable outbound Post Queue,outbound doorbell Interrupt */ - arcmsr_enable_outbound_ints(acb, intmask_org); - acb->acb_flags |= ACB_F_IOP_INITED; - acb->acb_flags &= ~ACB_F_BUS_RESET; - } - break; - case ACB_ADAPTER_TYPE_B: { - } - } - } - if (target == 16) { /* virtual device for iop message transfer */ arcmsr_handle_virtual_command(acb, cmd); return 0; } - if (acb->devstate[target][lun] == ARECA_RAID_GONE) { - uint8_t block_cmd; - - block_cmd = cmd->cmnd[0] & 0x0f; - if (block_cmd == 0x08 || block_cmd == 0x0a) { - printk(KERN_NOTICE - "arcmsr%d: block 'read/write'" - "command with gone raid volume" - " Cmd = %2x, TargetId = %d, Lun = %d \n" - , acb->host->host_no - , cmd->cmnd[0] - , target, lun); - cmd->result = (DID_NO_CONNECT << 16); - cmd->scsi_done(cmd); - return 0; - } - } if (atomic_read(&acb->ccboutstandingcount) >= ARCMSR_MAX_OUTSTANDING_CMD) return SCSI_MLQUEUE_HOST_BUSY; - + if ((scsicmd == SCSI_CMD_ARECA_SPECIFIC)) { + printk(KERN_NOTICE "Receiveing SCSI_CMD_ARECA_SPECIFIC command..\n"); + return 0; + } ccb = arcmsr_get_freeccb(acb); if (!ccb) return SCSI_MLQUEUE_HOST_BUSY; - if ( arcmsr_build_ccb( acb, ccb, cmd ) == FAILED ) { + if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) { cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1); cmd->scsi_done(cmd); return 0; @@ -1911,7 +2123,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, return 0; } -static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode) +static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; char *acb_firm_model = acb->firm_model; @@ -1919,19 +2131,16 @@ static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode) char *acb_device_map = acb->device_map; char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); - char __iomem *iop_device_map = (char __iomem *) (®->message_rwbuffer[21]); + char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); int count; - writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ miscellaneous data' timeout \n", acb->host->host_no); - return NULL; + return false; } - - if (mode == 1) { count = 8; - while (count) { + while (count){ *acb_firm_model = readb(iop_firm_model); acb_firm_model++; iop_firm_model++; @@ -1939,138 +2148,213 @@ static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode) } count = 16; - while (count) { + while (count){ *acb_firm_version = readb(iop_firm_version); acb_firm_version++; iop_firm_version++; count--; } - count = 16; - while (count) { - *acb_device_map = readb(iop_device_map); - acb_device_map++; - iop_device_map++; - count--; - } - - printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n" - , acb->host->host_no - , acb->firm_version); - acb->signature = readl(®->message_rwbuffer[0]); + count=16; + while(count){ + *acb_device_map = readb(iop_device_map); + acb_device_map++; + iop_device_map++; + count--; + } + printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + acb->host->host_no, + acb->firm_version, + acb->firm_model); + acb->signature = readl(®->message_rwbuffer[0]); 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]); + acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + return true; } - return reg->message_rwbuffer; -} -static void __iomem *arcmsr_get_hbb_config(struct AdapterControlBlock *acb, int mode) +static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; - uint32_t __iomem *lrwbuffer = reg->msgcode_rwbuffer_reg; + struct pci_dev *pdev = acb->pdev; + void *dma_coherent; + dma_addr_t dma_coherent_handle; char *acb_firm_model = acb->firm_model; char *acb_firm_version = acb->firm_version; char *acb_device_map = acb->device_map; - char __iomem *iop_firm_model = (char __iomem *)(&lrwbuffer[15]); + char __iomem *iop_firm_model; /*firm_model,15,60-67*/ - char __iomem *iop_firm_version = (char __iomem *)(&lrwbuffer[17]); + char __iomem *iop_firm_version; /*firm_version,17,68-83*/ - char __iomem *iop_device_map = (char __iomem *) (&lrwbuffer[21]); + char __iomem *iop_device_map; /*firm_version,21,84-99*/ int count; - - writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL); + if (!dma_coherent){ + printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no); + return false; + } + acb->dma_coherent_handle_hbb_mu = dma_coherent_handle; + reg = (struct MessageUnit_B *)dma_coherent; + acb->pmuB = reg; + reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL); + reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK); + reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL); + reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK); + reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER); + reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER); + reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER); + iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/ + iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/ + iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/ + + writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ miscellaneous data' timeout \n", acb->host->host_no); - return NULL; + return false; } - - if (mode == 1) { count = 8; - while (count) - { + while (count){ *acb_firm_model = readb(iop_firm_model); acb_firm_model++; iop_firm_model++; count--; } - count = 16; - while (count) - { + while (count){ *acb_firm_version = readb(iop_firm_version); acb_firm_version++; iop_firm_version++; count--; } - count = 16; - while (count) { - *acb_device_map = readb(iop_device_map); - acb_device_map++; - iop_device_map++; - count--; - } - - printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n", - acb->host->host_no, - acb->firm_version); + count = 16; + while(count){ + *acb_device_map = readb(iop_device_map); + acb_device_map++; + iop_device_map++; + count--; + } + + printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + acb->host->host_no, + acb->firm_version, + acb->firm_model); - acb->signature = readl(lrwbuffer++); - /*firm_signature,1,00-03*/ - acb->firm_request_len = readl(lrwbuffer++); + acb->signature = readl(®->message_rwbuffer[1]); + /*firm_signature,1,00-03*/ + acb->firm_request_len = readl(®->message_rwbuffer[2]); /*firm_request_len,1,04-07*/ - acb->firm_numbers_queue = readl(lrwbuffer++); + acb->firm_numbers_queue = readl(®->message_rwbuffer[3]); /*firm_numbers_queue,2,08-11*/ - acb->firm_sdram_size = readl(lrwbuffer++); + acb->firm_sdram_size = readl(®->message_rwbuffer[4]); /*firm_sdram_size,3,12-15*/ - acb->firm_hd_channels = readl(lrwbuffer); + acb->firm_hd_channels = readl(®->message_rwbuffer[5]); /*firm_ide_channels,4,16-19*/ + acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + /*firm_ide_channels,4,16-19*/ + return true; } - return reg->msgcode_rwbuffer_reg; -} -static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode) -{ - void *rtnval = 0; - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - rtnval = arcmsr_get_hba_config(acb, mode); - } - break; - case ACB_ADAPTER_TYPE_B: { - rtnval = arcmsr_get_hbb_config(acb, mode); +static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB) +{ + uint32_t intmask_org, Index, firmware_state = 0; + struct MessageUnit_C *reg = pACB->pmuC; + char *acb_firm_model = pACB->firm_model; + char *acb_firm_version = pACB->firm_version; + char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/ + char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/ + int count; + /* disable all outbound interrupt */ + intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */ + writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + /* wait firmware ready */ + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + /* post "get config" instruction */ + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + /* wait message ready */ + for (Index = 0; Index < 2000; Index++) { + if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/ + break; } - break; + udelay(10); + } /*max 1 seconds*/ + if (Index >= 2000) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", pACB->host->host_no); + return false; } - return rtnval; + 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_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + pACB->host->host_no, + pACB->firm_version, + pACB->firm_model); + pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/ + pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/ + pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/ + pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/ + pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + /*all interrupt service will be enable at arcmsr_iop_init*/ + return true; +} +static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) +{ + if (acb->adapter_type == ACB_ADAPTER_TYPE_A) + return arcmsr_get_hba_config(acb); + else if (acb->adapter_type == ACB_ADAPTER_TYPE_B) + return arcmsr_get_hbb_config(acb); + else + return arcmsr_get_hbc_config(acb); } -static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, +static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { struct MessageUnit_A __iomem *reg = acb->pmuA; struct CommandControlBlock *ccb; + struct ARCMSR_CDB *arcmsr_cdb; uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; - + int rtn; + bool error; polling_hba_ccb_retry: poll_count++; 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) { - if (poll_ccb_done) + if (poll_ccb_done){ + rtn = SUCCESS; break; - else { + }else { msleep(25); - if (poll_count > 100) + if (poll_count > 100){ + rtn = FAILED; break; + } goto polling_hba_ccb_retry; } } - ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5)); + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); 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)) { @@ -2081,8 +2365,7 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, , ccb->pcmd->device->lun , ccb); ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); - poll_ccb_done = 1; + arcmsr_ccb_complete(ccb); continue; } printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" @@ -2093,86 +2376,156 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, , atomic_read(&acb->ccboutstandingcount)); continue; } - arcmsr_report_ccb_state(acb, ccb, flag_ccb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_report_ccb_state(acb, ccb, error); } + return rtn; } -static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, +static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { - struct MessageUnit_B *reg = acb->pmuB; - struct CommandControlBlock *ccb; - uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; - int index; - + struct MessageUnit_B *reg = acb->pmuB; + struct ARCMSR_CDB *arcmsr_cdb; + struct CommandControlBlock *ccb; + uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; + int index, rtn; + bool error; 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) + poll_count++; + /* clear doorbell interrupt */ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); + while(1){ + index = reg->doneq_index; + if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) { + if (poll_ccb_done){ + rtn = SUCCESS; + break; + }else { + msleep(25); + if (poll_count > 100){ + rtn = FAILED; break; - else { - msleep(25); - if (poll_count > 100) - break; - goto polling_hbb_ccb_retry; } + goto polling_hbb_ccb_retry; + } + } + writel(0, ®->done_qbuffer[index]); + index++; + /*if last index number set it to 0 */ + index %= ARCMSR_MAX_HBB_POSTQUEUE; + reg->doneq_index = index; + /* check if command done with no error*/ + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + 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 + ,ccb->pcmd->device->lun + ,ccb); + ccb->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(ccb); + continue; } - 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) || (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 - ,ccb->pcmd->device->lun - ,ccb); - ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); - continue; + 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; + } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_report_ccb_state(acb, ccb, error); + } + return rtn; +} + +static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + uint32_t flag_ccb, ccb_cdb_phy; + struct ARCMSR_CDB *arcmsr_cdb; + bool error; + struct CommandControlBlock *pCCB; + uint32_t poll_ccb_done = 0, poll_count = 0; + int rtn; +polling_hbc_ccb_retry: + poll_count++; + while (1) { + if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) { + if (poll_ccb_done) { + rtn = SUCCESS; + break; + } else { + msleep(25); + if (poll_count > 100) { + rtn = FAILED; + break; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" + goto polling_hbc_ccb_retry; + } + } + flag_ccb = readl(®->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/ + pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0; + /* check ifcommand done with no error*/ + if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if (pCCB->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 - , atomic_read(&acb->ccboutstandingcount)); + , pCCB->pcmd->device->id + , pCCB->pcmd->device->lun + , pCCB); + pCCB->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(pCCB); continue; } - arcmsr_report_ccb_state(acb, ccb, flag_ccb); - } /*drain reply FIFO*/ + printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \n" + , acb->host->host_no + , pCCB + , atomic_read(&acb->ccboutstandingcount)); + continue; + } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_report_ccb_state(acb, pCCB, error); + } + return rtn; } - -static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, +static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { + int rtn = 0; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { - arcmsr_polling_hba_ccbdone(acb,poll_ccb); + rtn = arcmsr_polling_hba_ccbdone(acb, poll_ccb); } break; case ACB_ADAPTER_TYPE_B: { - arcmsr_polling_hbb_ccbdone(acb,poll_ccb); + rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb); + } + break; + case ACB_ADAPTER_TYPE_C: { + rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb); } } + return rtn; } static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) { - uint32_t cdb_phyaddr, ccb_phyaddr_hi32; + uint32_t cdb_phyaddr, cdb_phyaddr_hi32; dma_addr_t dma_coherent_handle; /* ******************************************************************** @@ -2182,7 +2535,8 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) */ dma_coherent_handle = acb->dma_coherent_handle; cdb_phyaddr = (uint32_t)(dma_coherent_handle); - ccb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16); + cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16); + acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32; /* *********************************************************************** ** if adapter type B, set window of "post command Q" @@ -2191,16 +2545,16 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { - if (ccb_phyaddr_hi32 != 0) { + if (cdb_phyaddr_hi32 != 0) { struct MessageUnit_A __iomem *reg = acb->pmuA; 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(cdb_phyaddr_hi32, ®->message_rwbuffer[1]); writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ part physical address timeout\n", acb->host->host_no); @@ -2220,19 +2574,18 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) 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)) { + writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); + 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; + post_queue_phyaddr = acb->dma_coherent_handle_hbb_mu; + rwbuffer = reg->message_rwbuffer; /* driver "set config" signature */ writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++); /* normal should be zero */ - writel(ccb_phyaddr_hi32, rwbuffer++); + writel(cdb_phyaddr_hi32, rwbuffer++); /* postQ size (256 + 8)*4 */ writel(post_queue_phyaddr, rwbuffer++); /* doneQ size (256 + 8)*4 */ @@ -2240,22 +2593,37 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) /* 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)) { + writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ timeout \n",acb->host->host_no); return 1; } - - 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_hbb_enable_driver_mode(acb); arcmsr_enable_outbound_ints(acb, intmask_org); } break; + case ACB_ADAPTER_TYPE_C: { + if (cdb_phyaddr_hi32 != 0) { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + + if (cdb_phyaddr_hi32 != 0) { + unsigned char Retries = 0x00; + do { + printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x \n", acb->adapter_index, cdb_phyaddr_hi32); + } while (Retries++ < 100); + } + writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]); + writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ + timeout \n", acb->host->host_no); + return 1; + } + } + } } return 0; } @@ -2263,7 +2631,6 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) { uint32_t firmware_state = 0; - switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -2277,62 +2644,81 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; do { - firmware_state = readl(reg->iop2drv_doorbell_reg); + firmware_state = readl(reg->iop2drv_doorbell); } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); - writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + } } } static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; - - if (unlikely(atomic_read(&acb->rq_map_token) == 0)) { - acb->fw_state = false; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ + return; } else { - /*to prevent rq_map_token from changing by other interrupt, then - avoid the dead-lock*/ - acb->fw_state = true; - atomic_dec(&acb->rq_map_token); - if (!(acb->fw_state) || - (acb->ante_token_value == atomic_read(&acb->rq_map_token))) { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){ atomic_set(&acb->rq_map_token, 16); } - acb->ante_token_value = atomic_read(&acb->rq_map_token); + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if (atomic_dec_and_test(&acb->rq_map_token)) + return; writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000)); return; } static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_B __iomem *reg = acb->pmuB; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ + return; + } else { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + atomic_set(&acb->rq_map_token,16); + } + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if(atomic_dec_and_test(&acb->rq_map_token)) + return; + writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + } + return; +} - if (unlikely(atomic_read(&acb->rq_map_token) == 0)) { - acb->fw_state = false; +static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C __iomem *reg = acb->pmuC; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { + return; } else { - /*to prevent rq_map_token from changing by other interrupt, then - avoid the dead-lock*/ - acb->fw_state = true; - atomic_dec(&acb->rq_map_token); - if (!(acb->fw_state) || - (acb->ante_token_value == atomic_read(&acb->rq_map_token))) { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - acb->ante_token_value = atomic_read(&acb->rq_map_token); - writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg); + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if (atomic_dec_and_test(&acb->rq_map_token)) + return; + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000)); return; } static void arcmsr_request_device_map(unsigned long pacb) { struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb; - switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { arcmsr_request_hba_device_map(acb); @@ -2342,6 +2728,9 @@ static void arcmsr_request_device_map(unsigned long pacb) arcmsr_request_hbb_device_map(acb); } break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_request_hbc_device_map(acb); + } } } @@ -2350,7 +2739,7 @@ static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb) struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ rebulid' timeout \n", acb->host->host_no); } @@ -2360,13 +2749,25 @@ static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; acb->acb_flags |= ACB_F_MSG_START_BGRB; - writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell_reg); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); + 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_start_hbc_bgrb(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + pACB->acb_flags |= ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n", pACB->host->host_no); + } + return; +} static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -2376,6 +2777,8 @@ static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: arcmsr_start_hbb_bgrb(acb); break; + case ACB_ADAPTER_TYPE_C: + arcmsr_start_hbc_bgrb(acb); } } @@ -2396,11 +2799,19 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; /*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); + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); /* let IOP know data has been read */ } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + uint32_t outbound_doorbell; + /* empty doorbell Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + } } } @@ -2412,13 +2823,15 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell_reg); - if(arcmsr_hbb_wait_msgint_ready(acb)) { + writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); return; } } break; + case ACB_ADAPTER_TYPE_C: + return; } return; } @@ -2426,15 +2839,33 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) { uint8_t value[64]; - int i; - + int i, count = 0; + struct MessageUnit_A __iomem *pmuA = acb->pmuA; + struct MessageUnit_C __iomem *pmuC = acb->pmuC; + u32 temp = 0; /* backup pci config data */ + printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); for (i = 0; i < 64; i++) { pci_read_config_byte(acb->pdev, i, &value[i]); } /* hardware reset signal */ - pci_write_config_byte(acb->pdev, 0x84, 0x20); - msleep(1000); + if ((acb->dev_id == 0x1680)) { + writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]); + } else if ((acb->dev_id == 0x1880)) { + do { + count++; + writel(0xF, &pmuC->write_sequence); + writel(0x4, &pmuC->write_sequence); + writel(0xB, &pmuC->write_sequence); + writel(0x2, &pmuC->write_sequence); + writel(0x7, &pmuC->write_sequence); + writel(0xD, &pmuC->write_sequence); + } while ((((temp = readl(&pmuC->host_diagnostic)) | ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); + writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic); + } else { + pci_write_config_byte(acb->pdev, 0x84, 0x20); + } + msleep(2000); /* write back pci config data */ for (i = 0; i < 64; i++) { pci_write_config_byte(acb->pdev, i, value[i]); @@ -2442,50 +2873,13 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) msleep(1000); return; } -/* -**************************************************************************** -**************************************************************************** -*/ -#ifdef CONFIG_SCSI_ARCMSR_RESET - int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd) - { - struct Scsi_Host *shost = NULL; - spinlock_t *host_lock = NULL; - int i, isleep; - - shost = cmd->device->host; - host_lock = shost->host_lock; - - printk(KERN_NOTICE "Host %d bus reset over, sleep %d seconds (busy %d, can queue %d) ...........\n", - shost->host_no, sleeptime, shost->host_busy, shost->can_queue); - isleep = sleeptime / 10; - spin_unlock_irq(host_lock); - if (isleep > 0) { - for (i = 0; i < isleep; i++) { - msleep(10000); - printk(KERN_NOTICE "^%d^\n", i); - } - } - - isleep = sleeptime % 10; - if (isleep > 0) { - msleep(isleep * 1000); - printk(KERN_NOTICE "^v^\n"); - } - spin_lock_irq(host_lock); - printk(KERN_NOTICE "***** wake up *****\n"); - return 0; - } -#endif static void arcmsr_iop_init(struct AdapterControlBlock *acb) { uint32_t intmask_org; - - /* disable all outbound interrupt */ - intmask_org = arcmsr_disable_outbound_ints(acb); + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); arcmsr_wait_firmware_ready(acb); arcmsr_iop_confirm(acb); - arcmsr_get_firmware_spec(acb, 1); /*start background rebuild*/ arcmsr_start_adapter_bgrb(acb); /* empty doorbell Qbuffer if door bell ringed */ @@ -2502,20 +2896,17 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) uint32_t intmask_org; uint8_t rtnval = 0x00; int i = 0; - if (atomic_read(&acb->ccboutstandingcount) != 0) { /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); /* talk to iop 331 outstanding command aborted */ rtnval = arcmsr_abort_allcmd(acb); - /* wait for 3 sec for all command aborted*/ - ssleep(3); /* 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) { - arcmsr_ccb_complete(ccb, 1); + arcmsr_ccb_complete(ccb); } } atomic_set(&acb->ccboutstandingcount, 0); @@ -2530,94 +2921,190 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) { struct AdapterControlBlock *acb = (struct AdapterControlBlock *)cmd->device->host->hostdata; - int retry = 0; - - if (acb->acb_flags & ACB_F_BUS_RESET) - return SUCCESS; - - printk(KERN_NOTICE "arcmsr%d: bus reset ..... \n", acb->adapter_index); - acb->acb_flags |= ACB_F_BUS_RESET; + uint32_t intmask_org, outbound_doorbell; + int retry_count = 0; + int rtn = FAILED; + acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; + printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); acb->num_resets++; - while (atomic_read(&acb->ccboutstandingcount) != 0 && retry < 4) { - arcmsr_interrupt(acb); - retry++; - } - if (arcmsr_iop_reset(acb)) { - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - printk(KERN_NOTICE "arcmsr%d: do hardware bus reset, num_resets = %d num_aborts = %d \n", - acb->adapter_index, acb->num_resets, acb->num_aborts); - arcmsr_hardware_reset(acb); - acb->acb_flags |= ACB_F_FIRMWARE_TRAP; - acb->acb_flags &= ~ACB_F_IOP_INITED; - #ifdef CONFIG_SCSI_ARCMSR_RESET - struct MessageUnit_A __iomem *reg = acb->pmuA; - uint32_t intmask_org, outbound_doorbell; - int retry_count = 0; + switch(acb->adapter_type){ + case ACB_ADAPTER_TYPE_A:{ + if (acb->acb_flags & ACB_F_BUS_RESET){ + long timeout; + printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + if (timeout) { + return SUCCESS; + } + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_A __iomem *reg; + reg = acb->pmuA; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; sleep_again: - arcmsr_sleep_for_bus_reset(cmd); - if ((readl(®->outbound_msgaddr1) & - ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { - printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry=%d \n", - acb->host->host_no, retry_count); - if (retry_count > retrycount) { - printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry aborted \n", - acb->host->host_no); - return SUCCESS; + arcmsr_sleep_for_bus_reset(cmd); + if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count); + if (retry_count > retrycount) { + acb->fw_flag = FW_DEADLOCK; + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no); + return FAILED; + } + retry_count++; + goto sleep_again; + } + acb->acb_flags |= ACB_F_IOP_INITED; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + arcmsr_start_adapter_bgrb(acb); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */ + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + if (atomic_read(&acb->rq_map_token) == 0) { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + } else { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); + } + rtn = SUCCESS; } - retry_count++; - goto sleep_again; + break; + } + case ACB_ADAPTER_TYPE_B:{ + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = FAILED; + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + if (atomic_read(&acb->rq_map_token) == 0) { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + } else { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); + } + rtn = SUCCESS; } - acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP; - acb->acb_flags |= ACB_F_IOP_INITED; - acb->acb_flags &= ~ACB_F_BUS_RESET; - printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok \n", - acb->host->host_no); - /* disable all outbound interrupt */ - intmask_org = arcmsr_disable_outbound_ints(acb); - arcmsr_get_firmware_spec(acb, 1); - /*start background rebuild*/ - arcmsr_start_adapter_bgrb(acb); - /* clear Qbuffer if door bell ringed */ - outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */ - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); - /* enable outbound Post Queue,outbound doorbell Interrupt */ - arcmsr_enable_outbound_ints(acb, intmask_org); - atomic_set(&acb->rq_map_token, 16); - init_timer(&acb->eternal_timer); - acb->eternal_timer.expires = jiffies + msecs_to_jiffies(20*HZ); - acb->eternal_timer.data = (unsigned long) acb; - acb->eternal_timer.function = &arcmsr_request_device_map; - add_timer(&acb->eternal_timer); - #endif + break; } + case ACB_ADAPTER_TYPE_C:{ + if (acb->acb_flags & ACB_F_BUS_RESET) { + long timeout; + printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + if (timeout) { + return SUCCESS; + } + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_C __iomem *reg; + reg = acb->pmuC; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; +sleep: + arcmsr_sleep_for_bus_reset(cmd); + if ((readl(®->host_diagnostic) & 0x04) != 0) { + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count); + if (retry_count > retrycount) { + acb->fw_flag = FW_DEADLOCK; + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no); + return FAILED; + } + retry_count++; + goto sleep; + } + acb->acb_flags |= ACB_F_IOP_INITED; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + arcmsr_start_adapter_bgrb(acb); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear); /*clear interrupt */ + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + if (atomic_read(&acb->rq_map_token) == 0) { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + } else { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); + } + rtn = SUCCESS; + } break; - case ACB_ADAPTER_TYPE_B: { - } } - } else { - acb->acb_flags &= ~ACB_F_BUS_RESET; } - return SUCCESS; + return rtn; } -static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, +static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { - u32 intmask; - - ccb->startdone = ARCMSR_CCB_ABORTED; - - /* - ** Wait for 3 sec for all command done. - */ - ssleep(3); - - intmask = arcmsr_disable_outbound_ints(acb); - arcmsr_polling_ccbdone(acb, ccb); - arcmsr_enable_outbound_ints(acb, intmask); + int rtn; + rtn = arcmsr_polling_ccbdone(acb, ccb); + return rtn; } static int arcmsr_abort(struct scsi_cmnd *cmd) @@ -2625,10 +3112,11 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) struct AdapterControlBlock *acb = (struct AdapterControlBlock *)cmd->device->host->hostdata; int i = 0; - + int rtn = FAILED; printk(KERN_NOTICE "arcmsr%d: abort device command of scsi id = %d lun = %d \n", acb->host->host_no, cmd->device->id, cmd->device->lun); + acb->acb_flags |= ACB_F_ABORT; acb->num_aborts++; /* ************************************************ @@ -2637,17 +3125,18 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) ************************************************ */ if (!atomic_read(&acb->ccboutstandingcount)) - return SUCCESS; + return rtn; for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { - arcmsr_abort_one_cmd(acb, ccb); + ccb->startdone = ARCMSR_CCB_ABORTED; + rtn = arcmsr_abort_one_cmd(acb, ccb); break; } } - - return SUCCESS; + acb->acb_flags &= ~ACB_F_ABORT; + return rtn; } static const char *arcmsr_info(struct Scsi_Host *host) @@ -2657,7 +3146,6 @@ static const char *arcmsr_info(struct Scsi_Host *host) static char buf[256]; char *type; int raid6 = 1; - switch (acb->pdev->device) { case PCI_DEVICE_ID_ARECA_1110: case PCI_DEVICE_ID_ARECA_1200: @@ -2681,6 +3169,7 @@ static const char *arcmsr_info(struct Scsi_Host *host) case PCI_DEVICE_ID_ARECA_1381: case PCI_DEVICE_ID_ARECA_1680: case PCI_DEVICE_ID_ARECA_1681: + case PCI_DEVICE_ID_ARECA_1880: type = "SAS"; break; default: |