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| author | Nick Cheng <nick.cheng@areca.com.tw> | 2010-07-13 20:03:04 +0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-27 12:03:49 -0500 |
| commit | cdd3cb156f190edb37d7066ddbf879354da2b634 (patch) | |
| tree | 8633100619eb382a49f79c7003d59ae048368abe /drivers/scsi/arcmsr/arcmsr_hba.c | |
| parent | a91c1be21704113b023919826c6d531da46656ef (diff) | |
| download | lwn-cdd3cb156f190edb37d7066ddbf879354da2b634.tar.gz lwn-cdd3cb156f190edb37d7066ddbf879354da2b634.zip | |
[SCSI] SCSI: Support Type C RAID controller
1. To support Type C RAID controller, ACB_ADAPTER_TYPE_C, i.e. PCI device
ID: 0x1880.
Signed-off-by: Nick Cheng< nick.cheng@areca.com.tw >
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 1538 |
1 files changed, 1006 insertions, 532 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index ba33473b27a1..95a895dd4f13 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -71,11 +71,11 @@ #include <scsi/scsicam.h> #include "arcmsr.h" MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>"); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx) SATA/SAS RAID Host Bus Adapter"); +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 = 20; -static int retrycount = 12; +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); @@ -99,10 +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 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, @@ -119,18 +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_FREECCB_NUM, - .this_id = ARCMSR_SCSI_INITIATOR_ID, - .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES, - .max_sectors = ARCMSR_MAX_XFER_SECTORS_C, + .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, @@ -160,22 +162,45 @@ static struct pci_device_id arcmsr_device_id_table[] = { 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); + } + } -static void arcmsr_free_mu(struct AdapterControlBlock *acb) + 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:{ - struct MessageUnit_B *reg = acb->pmuB; - dma_free_coherent(&acb->pdev->dev, - sizeof(struct MessageUnit_B), - reg, acb->dma_coherent_handle_hbb_mu); + dma_free_coherent(&acb->pdev->dev, + sizeof(struct MessageUnit_B), + acb->pmuB, acb->dma_coherent_handle_hbb_mu); } } } @@ -183,10 +208,9 @@ static void arcmsr_free_mu(struct AdapterControlBlock *acb) static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; - - switch (acb->adapter_type) { + switch (acb->adapter_type){ case ACB_ADAPTER_TYPE_A:{ - acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + 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; @@ -208,6 +232,19 @@ static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) } 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; @@ -216,13 +253,19 @@ static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A:{ - iounmap(acb->pmuA); - } - case ACB_ADAPTER_TYPE_B:{ - iounmap(acb->mem_base0); - iounmap(acb->mem_base1); - } + 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); + } } } @@ -270,34 +313,37 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb) 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 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; + return true; } msleep(10); - } /*max 1 seconds*/ + }/*max 1 seconds*/ } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; + return false; } static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) @@ -305,7 +351,6 @@ 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) @@ -313,23 +358,39 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN , reg->iop2drv_doorbell); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); - return 0x00; + return true; } msleep(10); - } /*max 1 seconds*/ + }/*max 1 seconds*/ } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; + return false; } +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)) + if (arcmsr_hba_wait_msgint_ready(acb)) break; else { retry_count--; @@ -343,10 +404,9 @@ 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)) + if (arcmsr_hbb_wait_msgint_ready(acb)) break; else { retry_count--; @@ -356,6 +416,23 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) } while (retry_count != 0); } +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) { @@ -368,151 +445,94 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) case ACB_ADAPTER_TYPE_B: { arcmsr_flush_hbb_cache(acb); } + break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_flush_hbc_cache(acb); + } } } static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) { - struct pci_dev *pdev = acb->pdev; - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - - 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; - 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 16M 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 * sizeof(struct SG64ENTRY), 32); - acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; - 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; - } - memset(dma_coherent, 0, acb->uncache_size); - acb->dma_coherent = dma_coherent; - acb->dma_coherent_handle = dma_coherent_handle; - ccb_tmp = (struct CommandControlBlock *)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->shifted_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; - } - break; - } - case ACB_ADAPTER_TYPE_B: { - - void *dma_coherent; - dma_addr_t dma_coherent_handle; - struct CommandControlBlock *ccb_tmp; - uint32_t cdb_phyaddr; - unsigned int roundup_ccbsize = 0; - unsigned long max_xfer_len; - unsigned long max_sg_entrys; - unsigned long firm_config_version; - unsigned long max_freeccb_num = 0; - int i = 0, j = 0; - - max_freeccb_num = ARCMSR_MAX_FREECCB_NUM; - 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 16M byte */ - max_sg_entrys = (max_xfer_len/4096);/* max 4097 sg entry*/ - } - 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; - dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, - &dma_coherent_handle, GFP_KERNEL); - - if (!dma_coherent) { - printk(KERN_NOTICE "DMA allocation failed...........................\n"); - return -ENOMEM; - } - memset(dma_coherent, 0, acb->uncache_size); - acb->dma_coherent = dma_coherent; - acb->dma_coherent_handle = dma_coherent_handle; - ccb_tmp = (struct CommandControlBlock *)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->shifted_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; - } - for (i = 0; i < ARCMSR_MAX_TARGETID; i++) - for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) - acb->devstate[i][j] = ARECA_RAID_GONE; - } - break; + 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); +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); } @@ -531,8 +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 *)(®->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++) { + 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; @@ -571,21 +628,20 @@ 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) { + if(error){ return -ENODEV; } host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); - if (!host) { - goto pci_disable_dev; + if(!host){ + goto pci_disable_dev; } 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); @@ -596,53 +652,53 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) bus = pdev->bus->number; dev_fun = pdev->devfn; acb = (struct AdapterControlBlock *) host->hostdata; - memset(acb, 0, sizeof(struct AdapterControlBlock)); + memset(acb,0,sizeof(struct AdapterControlBlock)); acb->pdev = pdev; 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->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; pci_set_drvdata(pdev, host); pci_set_master(pdev); error = pci_request_regions(pdev, "arcmsr"); - if (error) { + if(error){ goto scsi_host_release; } 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); arcmsr_define_adapter_type(acb); error = arcmsr_remap_pciregion(acb); - if (!error) { + if(!error){ goto pci_release_regs; } error = arcmsr_get_firmware_spec(acb); - if (!error) { + if(!error){ goto unmap_pci_region; } error = arcmsr_alloc_ccb_pool(acb); - if (error) { + if(error){ goto free_hbb_mu; } arcmsr_iop_init(acb); error = scsi_add_host(host, &pdev->dev); - if (error) { + if(error){ goto RAID_controller_stop; } error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb); - if (error) { + if(error){ goto scsi_host_remove; } host->irq = pdev->irq; - scsi_scan_host(host); + scsi_scan_host(host); INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); atomic_set(&acb->rq_map_token, 16); atomic_set(&acb->ante_token_value, 16); @@ -652,10 +708,10 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) 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)) + if(arcmsr_alloc_sysfs_attr(acb)) goto out_free_sysfs; return 0; - out_free_sysfs: +out_free_sysfs: scsi_host_remove: scsi_remove_host(host); RAID_controller_stop: @@ -663,7 +719,7 @@ RAID_controller_stop: arcmsr_flush_adapter_cache(acb); arcmsr_free_ccb_pool(acb); free_hbb_mu: - arcmsr_free_mu(acb); + arcmsr_free_hbb_mu(acb); unmap_pci_region: arcmsr_unmap_pciregion(acb); pci_release_regs: @@ -678,15 +734,14 @@ pci_disable_dev: 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) @@ -694,15 +749,27 @@ static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) struct MessageUnit_B *reg = acb->pmuB; writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + 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; @@ -715,6 +782,11 @@ 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; } @@ -722,13 +794,12 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) 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)) { + 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; + } + return true; } static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) @@ -736,18 +807,16 @@ static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) struct scsi_cmnd *pcmd = ccb->pcmd; scsi_dma_unmap(pcmd); - } +} 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); 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); @@ -759,7 +828,6 @@ 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 = @@ -775,8 +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); @@ -784,30 +851,35 @@ 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); 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); - } else { + }else{ switch (ccb->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { acb->devstate[id][lun] = ARECA_RAID_GONE; @@ -833,42 +905,37 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, 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); + 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; - struct ARCMSR_CDB *arcmsr_cdb; int id, lun; - - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); - ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); - if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if (ccb->startdone == ARCMSR_CCB_ABORTED) { - struct scsi_cmnd *abortcmd = ccb->pcmd; + 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; + lun = abortcmd->device->lun; abortcmd->result |= DID_ABORT << 16; - arcmsr_ccb_complete(ccb); - 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'" @@ -876,20 +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: { @@ -899,9 +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; @@ -909,17 +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) @@ -930,16 +1022,15 @@ static void arcmsr_remove(struct pci_dev *pdev) int poll_count = 0; arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); - scsi_host_put(host); flush_scheduled_work(); 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 */ @@ -962,8 +1053,10 @@ static void arcmsr_remove(struct pci_dev *pdev) } free_irq(pdev->irq, acb); arcmsr_free_ccb_pool(acb); - arcmsr_free_mu(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); } @@ -983,7 +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; } @@ -999,10 +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| @@ -1012,7 +1103,7 @@ 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 | @@ -1021,6 +1112,13 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, 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; + } } } @@ -1032,75 +1130,69 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb, __le32 address_lo, address_hi; int arccdbsize = 0x30; __le32 length = 0; - int i, cdb_sgcount = 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 = 0; memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); nseg = scsi_dma_map(pcmd); - if (nseg > acb->host->sg_tablesize || nseg < 0) + if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0)) return FAILED; - /* 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); + } + 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) { + 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 shifted_cdb_phyaddr = ccb->shifted_cdb_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(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, ®->inbound_queueport); else { - writel(shifted_cdb_phyaddr, ®->inbound_queueport); + writel(cdb_phyaddr_pattern, ®->inbound_queueport); } } break; @@ -1112,11 +1204,10 @@ 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(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ ®->post_qbuffer[index]); - } - else { - writel(shifted_cdb_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 */ @@ -1124,6 +1215,19 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr 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); + } + } } } @@ -1132,8 +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); @@ -1146,13 +1249,26 @@ static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) acb->acb_flags &= ~ACB_F_MSG_START_BGRB; 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) { @@ -1165,21 +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: { - dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); - iounmap(acb->pmuA); - } - break; - case ACB_ADAPTER_TYPE_B: { - dma_free_coherent(&acb->pdev->dev, acb->uncache_size, 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) @@ -1196,6 +1306,10 @@ void arcmsr_iop_message_read(struct AdapterControlBlock *acb) 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); + } } } @@ -1221,13 +1335,21 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) 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; } } struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *qbuffer = NULL; - switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -1241,6 +1363,10 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) 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; } @@ -1248,7 +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: { @@ -1262,6 +1387,11 @@ static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBloc 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; } @@ -1272,19 +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++; @@ -1335,25 +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); } } @@ -1362,29 +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); @@ -1397,13 +1586,29 @@ static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb) 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; } @@ -1414,7 +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); } @@ -1425,9 +1630,8 @@ 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) & - acb->outbound_int_enable; + acb->outbound_int_enable; if (!outbound_doorbell) return 1; @@ -1436,7 +1640,7 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) this action can push HW to write down the clear bit*/ readl(reg->iop2drv_doorbell); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); - if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { + if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { arcmsr_iop2drv_data_wrote_handle(acb); } if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) { @@ -1445,14 +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) { @@ -1469,6 +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; } @@ -1495,7 +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) { @@ -1528,7 +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) { @@ -1554,7 +1784,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - + ptmpQbuffer = ver_addr; while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) && (allxfer_len < 1031)) { @@ -1586,10 +1816,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, } memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len); pcmdmessagefld->cmdmessage.Length = allxfer_len; - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } kfree(ver_addr); } @@ -1605,11 +1835,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - if (acb->fw_flag == FW_DEADLOCK) { - pcmdmessagefld->cmdmessage.ReturnCode = + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { - pcmdmessagefld->cmdmessage.ReturnCode = + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } ptmpuserbuffer = ver_addr; @@ -1672,10 +1902,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, acb->rqbuf_firstindex = 0; acb->rqbuf_lastindex = 0; memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { + }else{ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1684,10 +1914,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { uint8_t *pQbuffer = acb->wqbuffer; - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { + }else{ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1724,10 +1954,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, memset(pQbuffer, 0, sizeof(struct QBUFFER)); pQbuffer = acb->wqbuffer; memset(pQbuffer, 0, sizeof(struct QBUFFER)); - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { + }else{ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1735,10 +1965,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, break; case ARCMSR_MESSAGE_RETURN_CODE_3F: { - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { + }else{ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; } @@ -1746,10 +1976,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, } case ARCMSR_MESSAGE_SAY_HELLO: { int8_t *hello_string = "Hello! I am ARCMSR"; - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - } else { + }else{ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1759,7 +1989,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, break; case ARCMSR_MESSAGE_SAY_GOODBYE: - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; } @@ -1767,7 +1997,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, break; case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: - if (acb->fw_flag == FW_DEADLOCK) { + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; } @@ -1792,7 +2022,7 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock if (!list_empty(head)) { ccb = list_entry(head->next, struct CommandControlBlock, list); list_del_init(&ccb->list); - } else { + }else{ spin_unlock_irqrestore(&acb->ccblist_lock, flags); return 0; } @@ -1862,29 +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 (target == 16) { /* virtual device for iop message transfer */ arcmsr_handle_virtual_command(acb, 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; @@ -1901,17 +2131,16 @@ static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) 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 false; } count = 8; - while (count) { + while (count){ *acb_firm_model = readb(iop_firm_model); acb_firm_model++; iop_firm_model++; @@ -1919,25 +2148,25 @@ static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) } 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_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + 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->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]); @@ -1962,14 +2191,14 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) /*firm_version,21,84-99*/ int count; dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL); - if (!dma_coherent) { + 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= (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); @@ -1981,41 +2210,41 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) 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)) { + 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 false; } 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--; - } - + 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->host->host_no, acb->firm_version, acb->firm_model); acb->signature = readl(®->message_rwbuffer[1]); - /*firm_signature,1,00-03*/ + /*firm_signature,1,00-03*/ acb->firm_request_len = readl(®->message_rwbuffer[2]); /*firm_request_len,1,04-07*/ acb->firm_numbers_queue = readl(®->message_rwbuffer[3]); @@ -2028,12 +2257,73 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) /*firm_ide_channels,4,16-19*/ return true; } + +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; + } + 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; + } + 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 + else if (acb->adapter_type == ACB_ADAPTER_TYPE_B) return arcmsr_get_hbb_config(acb); + else + return arcmsr_get_hbc_config(acb); } static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, @@ -2044,18 +2334,19 @@ static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, 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 { - if (poll_count > 100) { + }else { + msleep(25); + if (poll_count > 100){ rtn = FAILED; break; } @@ -2084,76 +2375,132 @@ static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, , ccb , atomic_read(&acb->ccboutstandingcount)); continue; - } else { - 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 int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { - struct MessageUnit_B *reg = acb->pmuB; + 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; + 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 */ + 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) { + 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) { + break; + }else { + msleep(25); + if (poll_count > 100){ rtn = FAILED; - break; - } - goto polling_hbb_ccb_retry; + break; } + 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 ifcommand done with no error*/ + } + 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)) { + 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; + ,acb->host->host_no + ,ccb->pcmd->device->id + ,ccb->pcmd->device->lun + ,ccb); + ccb->pcmd->result = DID_ABORT << 16; arcmsr_ccb_complete(ccb); - continue; + 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; - } else { - arcmsr_report_ccb_state(acb, ccb, flag_ccb); + } + 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; } - } /*drain reply FIFO*/ + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_report_ccb_state(acb, pCCB, error); + } return rtn; } - static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { @@ -2168,6 +2515,10 @@ static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, case ACB_ADAPTER_TYPE_B: { rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb); } + break; + case ACB_ADAPTER_TYPE_C: { + rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb); + } } return rtn; } @@ -2185,6 +2536,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) dma_coherent_handle = acb->dma_coherent_handle; cdb_phyaddr = (uint32_t)(dma_coherent_handle); 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" @@ -2202,7 +2554,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) 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); @@ -2223,7 +2575,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) reg->postq_index = 0; reg->doneq_index = 0; writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ acb->host->host_no); return 1; @@ -2242,7 +2594,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) writel(1056, rwbuffer); writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ timeout \n",acb->host->host_no); return 1; @@ -2251,6 +2603,27 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *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; } @@ -2258,7 +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: { @@ -2277,24 +2649,30 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) 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->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { + 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)) { + 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_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(6 * HZ)); } return; } @@ -2302,7 +2680,25 @@ static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) 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; +} +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 { @@ -2313,8 +2709,9 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) 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)); + 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)); } return; } @@ -2322,7 +2719,6 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) 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); @@ -2332,6 +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); + } } } @@ -2340,7 +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); } @@ -2351,12 +2750,24 @@ 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); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + 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) { @@ -2366,6 +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); } } @@ -2391,6 +2804,14 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) /* 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); + } } } @@ -2403,12 +2824,14 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); - if(arcmsr_hbb_wait_msgint_ready(acb)) { + 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; } @@ -2416,21 +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; - struct MessageUnit_A __iomem *reg = acb->pmuA; - + 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_ERR "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); + 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 */ if ((acb->dev_id == 0x1680)) { - writel(ARCMSR_ARC1680_BUS_RESET, ®->reserved1[0]); + 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); + pci_write_config_byte(acb->pdev, 0x84, 0x20); } - msleep(1000); + msleep(2000); /* write back pci config data */ for (i = 0; i < 64; i++) { pci_write_config_byte(acb->pdev, i, value[i]); @@ -2438,35 +2873,11 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) msleep(1000); return; } -/* -**************************************************************************** -**************************************************************************** -*/ - 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); - } - return 0; - } 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); /*start background rebuild*/ @@ -2485,7 +2896,6 @@ 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); @@ -2514,54 +2924,50 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) 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 eh bus reset .....num_resets = %d, \ - num_aborts = %d \n", acb->num_resets, acb->num_aborts); + printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); acb->num_resets++; - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - if (acb->acb_flags & ACB_F_BUS_RESET) { + switch(acb->adapter_type){ + case ACB_ADAPTER_TYPE_A:{ + if (acb->acb_flags & ACB_F_BUS_RESET){ long timeout; - timeout = wait_event_timeout(wait_q, - (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + 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)) { + if (!arcmsr_iop_reset(acb)) { struct MessageUnit_A __iomem *reg; reg = acb->pmuA; - arcmsr_hardware_reset(acb); - acb->acb_flags &= ~ACB_F_IOP_INITED; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; sleep_again: - arcmsr_sleep_for_bus_reset(cmd); + 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) { + 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); + 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); + } + 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); + 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); @@ -2571,35 +2977,35 @@ sleep_again: add_timer(&acb->eternal_timer); acb->acb_flags &= ~ACB_F_BUS_RESET; rtn = SUCCESS; - printk(KERN_ERR "arcmsr: scsi eh bus reset succeeds\n"); + 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); + 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->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:{ acb->acb_flags |= ACB_F_BUS_RESET; - if (arcmsr_iop_reset(acb)) { + if (!arcmsr_iop_reset(acb)) { acb->acb_flags &= ~ACB_F_BUS_RESET; rtn = FAILED; - } else { - acb->acb_flags &= ~ACB_F_BUS_RESET; + } 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); @@ -2616,7 +3022,78 @@ sleep_again: mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); } rtn = SUCCESS; - } + } + 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; } } return rtn; @@ -2626,9 +3103,7 @@ static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { int rtn; - spin_lock_irq(&acb->eh_lock); rtn = arcmsr_polling_ccbdone(acb, ccb); - spin_unlock_irq(&acb->eh_lock); return rtn; } @@ -2638,7 +3113,6 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) (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); @@ -2672,7 +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: @@ -2696,6 +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: |