diff options
author | NickCheng <nick.cheng@areca.com.tw> | 2011-01-06 09:32:41 (GMT) |
---|---|---|
committer | James Bottomley <James.Bottomley@suse.de> | 2011-01-24 17:19:59 (GMT) |
commit | 97b991277a9966333b3bcea0d972822278780694 (patch) | |
tree | 6ce9c7f33984c50c90b62765362888ac7e6b1ee6 /drivers | |
parent | 3a9c913a3e57b170887d39456e04c18f2305ec67 (diff) | |
download | linux-fsl-qoriq-97b991277a9966333b3bcea0d972822278780694.tar.xz |
[SCSI] arcmsr: Fix the issue of system hangup after commands timeout on ARC-1200
[jejb: fix up patch problems and checkpatch.pl issues]
Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 11 | ||||
-rw-r--r-- | drivers/scsi/arcmsr/arcmsr_attr.c | 2 | ||||
-rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 114 |
3 files changed, 49 insertions, 78 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 475c31a..77b26f5 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -2,7 +2,7 @@ ******************************************************************************* ** O.S : Linux ** FILE NAME : arcmsr.h -** BY : Erich Chen +** BY : Nick Cheng ** Description: SCSI RAID Device Driver for ** ARECA RAID Host adapter ******************************************************************************* @@ -46,8 +46,12 @@ struct device_attribute; /*The limit of outstanding scsi command that firmware can handle*/ #define ARCMSR_MAX_OUTSTANDING_CMD 256 -#define ARCMSR_MAX_FREECCB_NUM 320 -#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2010/02/02" +#ifdef CONFIG_XEN + #define ARCMSR_MAX_FREECCB_NUM 160 +#else + #define ARCMSR_MAX_FREECCB_NUM 320 +#endif +#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2010/08/05" #define ARCMSR_SCSI_INITIATOR_ID 255 #define ARCMSR_MAX_XFER_SECTORS 512 #define ARCMSR_MAX_XFER_SECTORS_B 4096 @@ -60,7 +64,6 @@ struct device_attribute; #define ARCMSR_MAX_HBB_POSTQUEUE 264 #define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */ #define ARCMSR_CDB_SG_PAGE_LENGTH 256 -#define SCSI_CMD_ARECA_SPECIFIC 0xE1 #ifndef PCI_DEVICE_ID_ARECA_1880 #define PCI_DEVICE_ID_ARECA_1880 0x1880 #endif diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c index a4e04c5..acdae33 100644 --- a/drivers/scsi/arcmsr/arcmsr_attr.c +++ b/drivers/scsi/arcmsr/arcmsr_attr.c @@ -2,7 +2,7 @@ ******************************************************************************* ** O.S : Linux ** FILE NAME : arcmsr_attr.c -** BY : Erich Chen +** BY : Nick Cheng ** Description: attributes exported to sysfs and device host ******************************************************************************* ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 1cadcd6..984bd52 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -2,7 +2,7 @@ ******************************************************************************* ** O.S : Linux ** FILE NAME : arcmsr_hba.c -** BY : Erich Chen +** BY : Nick Cheng ** Description: SCSI RAID Device Driver for ** ARECA RAID Host adapter ******************************************************************************* @@ -76,7 +76,7 @@ MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapte MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); static int sleeptime = 10; -static int retrycount = 30; +static int retrycount = 12; wait_queue_head_t wait_q; static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); @@ -187,7 +187,6 @@ int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd) if (isleep > 0) { msleep(isleep*1000); } - printk(KERN_NOTICE "wake-up\n"); return 0; } @@ -921,7 +920,6 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, } static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) - { int id, lun; if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { @@ -948,7 +946,7 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct Comma , pCCB->startdone , atomic_read(&acb->ccboutstandingcount)); return; - } + } arcmsr_report_ccb_state(acb, pCCB, error); } @@ -981,7 +979,7 @@ 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 */ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->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]); @@ -1511,7 +1509,6 @@ static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) arcmsr_drain_donequeue(acb, pCCB, error); } } - static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) { uint32_t index; @@ -2106,10 +2103,6 @@ static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, 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; @@ -2393,6 +2386,7 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, int index, rtn; bool error; polling_hbb_ccb_retry: + poll_count++; /* clear doorbell interrupt */ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); @@ -2663,6 +2657,7 @@ 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 )){ + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); return; } else { acb->fw_flag = FW_NORMAL; @@ -2670,8 +2665,10 @@ static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) 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)) + if (atomic_dec_and_test(&acb->rq_map_token)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); return; + } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } @@ -2682,15 +2679,18 @@ 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 )){ + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); 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->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)) + if (atomic_dec_and_test(&acb->rq_map_token)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); return; + } writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); } @@ -2701,6 +2701,7 @@ 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)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); return; } else { acb->fw_flag = FW_NORMAL; @@ -2708,8 +2709,10 @@ static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb) 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)) + if (atomic_dec_and_test(&acb->rq_map_token)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); return; + } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); @@ -2897,6 +2900,8 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) uint32_t intmask_org; uint8_t rtnval = 0x00; int i = 0; + unsigned long flags; + if (atomic_read(&acb->ccboutstandingcount) != 0) { /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); @@ -2907,7 +2912,12 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START) { - arcmsr_ccb_complete(ccb); + scsi_dma_unmap(ccb->pcmd); + 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); } } atomic_set(&acb->ccboutstandingcount, 0); @@ -2920,8 +2930,7 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) static int arcmsr_bus_reset(struct scsi_cmnd *cmd) { - struct AdapterControlBlock *acb = - (struct AdapterControlBlock *)cmd->device->host->hostdata; + struct AdapterControlBlock *acb; uint32_t intmask_org, outbound_doorbell; int retry_count = 0; int rtn = FAILED; @@ -2971,31 +2980,16 @@ sleep_again: 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); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); 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)); - } + 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; @@ -3007,21 +3001,10 @@ sleep_again: rtn = FAILED; } else { acb->acb_flags &= ~ACB_F_BUS_RESET; - if (atomic_read(&acb->rq_map_token) == 0) { - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - init_timer(&acb->eternal_timer); - acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ); - acb->eternal_timer.data = (unsigned long) acb; - acb->eternal_timer.function = &arcmsr_request_device_map; - add_timer(&acb->eternal_timer); - } else { - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); - } + 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; @@ -3067,31 +3050,16 @@ sleep: 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); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); 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)); - } + 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; |