diff options
Diffstat (limited to 'drivers/scsi/arcmsr')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 4 | ||||
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 127 |
2 files changed, 131 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 1cde98f0c52b..d93a3779dd18 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -80,6 +80,8 @@ struct device_attribute; #ifndef PCI_DEVICE_ID_ARECA_1884 #define PCI_DEVICE_ID_ARECA_1884 0x1884 #endif +#define ARCMSR_HOURS (1000 * 60 * 60 * 4) +#define ARCMSR_MINUTES (1000 * 60 * 60) /* ********************************************************************************** ** @@ -280,6 +282,7 @@ struct FIRMWARE_INFO #define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ #define ARCMSR_MESSAGE_START_BGRB 0x00060008 +#define ARCMSR_MESSAGE_SYNC_TIMER 0x00080008 #define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008 #define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008 #define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008 @@ -837,6 +840,7 @@ struct AdapterControlBlock uint32_t maxOutstanding; int vector_count; uint32_t maxFreeCCB; + struct timer_list refresh_timer; uint32_t doneq_index; uint32_t ccbsize; uint32_t in_doorbell; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 750d1e9af0c6..716ecec0df5a 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -83,6 +83,10 @@ static int cmd_per_lun = ARCMSR_DEFAULT_CMD_PERLUN; module_param(cmd_per_lun, int, S_IRUGO); MODULE_PARM_DESC(cmd_per_lun, " device queue depth(1 ~ 128), default is 32"); +static int set_date_time = 0; +module_param(set_date_time, int, S_IRUGO); +MODULE_PARM_DESC(set_date_time, " send date, time to iop(0 ~ 1), set_date_time=1(enable), default(=0) is disable"); + #define ARCMSR_SLEEPTIME 10 #define ARCMSR_RETRYCOUNT 12 @@ -125,6 +129,7 @@ static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *); static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb); +static void arcmsr_set_iop_datetime(struct timer_list *); static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) { if (queue_depth > ARCMSR_MAX_CMD_PERLUN) @@ -852,6 +857,13 @@ out_free_irq: return FAILED; } +static void arcmsr_init_set_datetime_timer(struct AdapterControlBlock *pacb) +{ + timer_setup(&pacb->refresh_timer, arcmsr_set_iop_datetime, 0); + pacb->refresh_timer.expires = jiffies + msecs_to_jiffies(60 * 1000); + add_timer(&pacb->refresh_timer); +} + static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct Scsi_Host *host; @@ -941,11 +953,15 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) timer_setup(&acb->eternal_timer, arcmsr_request_device_map, 0); acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); add_timer(&acb->eternal_timer); + if (set_date_time) + arcmsr_init_set_datetime_timer(acb); if(arcmsr_alloc_sysfs_attr(acb)) goto out_free_sysfs; scsi_scan_host(host); return 0; out_free_sysfs: + if (set_date_time) + del_timer_sync(&acb->refresh_timer); del_timer_sync(&acb->eternal_timer); flush_work(&acb->arcmsr_do_message_isr_bh); arcmsr_stop_adapter_bgrb(acb); @@ -988,6 +1004,8 @@ static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state) intmask_org = arcmsr_disable_outbound_ints(acb); arcmsr_free_irq(pdev, acb); del_timer_sync(&acb->eternal_timer); + if (set_date_time) + del_timer_sync(&acb->refresh_timer); flush_work(&acb->arcmsr_do_message_isr_bh); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); @@ -1032,6 +1050,8 @@ static int arcmsr_resume(struct pci_dev *pdev) timer_setup(&acb->eternal_timer, arcmsr_request_device_map, 0); acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); add_timer(&acb->eternal_timer); + if (set_date_time) + arcmsr_init_set_datetime_timer(acb); return 0; controller_stop: arcmsr_stop_adapter_bgrb(acb); @@ -1422,6 +1442,8 @@ static void arcmsr_remove(struct pci_dev *pdev) scsi_remove_host(host); flush_work(&acb->arcmsr_do_message_isr_bh); del_timer_sync(&acb->eternal_timer); + if (set_date_time) + del_timer_sync(&acb->refresh_timer); arcmsr_disable_outbound_ints(acb); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); @@ -1464,6 +1486,8 @@ static void arcmsr_shutdown(struct pci_dev *pdev) struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; del_timer_sync(&acb->eternal_timer); + if (set_date_time) + del_timer_sync(&acb->refresh_timer); arcmsr_disable_outbound_ints(acb); arcmsr_free_irq(pdev, acb); flush_work(&acb->arcmsr_do_message_isr_bh); @@ -3614,6 +3638,109 @@ static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, return rtn; } +static void arcmsr_set_iop_datetime(struct timer_list *t) +{ + struct AdapterControlBlock *pacb = from_timer(pacb, t, refresh_timer); + unsigned int days, j, i, a, b, c, d, e, m, year, mon, day, hour, min, sec, secs, next_time; + struct timeval tv; + union { + struct { + uint16_t signature; + uint8_t year; + uint8_t month; + uint8_t date; + uint8_t hour; + uint8_t minute; + uint8_t second; + } a; + struct { + uint32_t msg_time[2]; + } b; + } datetime; + + do_gettimeofday(&tv); + secs = (u32)(tv.tv_sec - (sys_tz.tz_minuteswest * 60)); + days = secs / 86400; + secs = secs - 86400 * days; + if (secs < 0) { + days = days - 1; + secs = secs + 86400; + } + j = days / 146097; + i = days - 146097 * j; + a = i + 719468; + b = ( 4 * a + 3 ) / 146097; + c = a - ( 146097 * b ) / 4; + d = ( 4 * c + 3 ) / 1461 ; + e = c - ( 1461 * d ) / 4 ; + m = ( 5 * e + 2 ) / 153 ; + year = 400 * j + 100 * b + d + m / 10 - 2000; + mon = m + 3 - 12 * ( m /10 ); + day = e - ( 153 * m + 2 ) / 5 + 1; + hour = secs / 3600; + secs = secs - 3600 * hour; + min = secs / 60; + sec = secs - 60 * min; + + datetime.a.signature = 0x55AA; + datetime.a.year = year; + datetime.a.month = mon; + datetime.a.date = day; + datetime.a.hour = hour; + datetime.a.minute = min; + datetime.a.second = sec; + + switch (pacb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = pacb->pmuA; + writel(datetime.b.msg_time[0], ®->message_rwbuffer[0]); + writel(datetime.b.msg_time[1], ®->message_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, ®->inbound_msgaddr0); + break; + } + case ACB_ADAPTER_TYPE_B: { + uint32_t __iomem *rwbuffer; + struct MessageUnit_B *reg = pacb->pmuB; + rwbuffer = reg->message_rwbuffer; + writel(datetime.b.msg_time[0], rwbuffer++); + writel(datetime.b.msg_time[1], rwbuffer++); + writel(ARCMSR_MESSAGE_SYNC_TIMER, reg->drv2iop_doorbell); + break; + } + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = pacb->pmuC; + writel(datetime.b.msg_time[0], ®->msgcode_rwbuffer[0]); + writel(datetime.b.msg_time[1], ®->msgcode_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + break; + } + case ACB_ADAPTER_TYPE_D: { + uint32_t __iomem *rwbuffer; + struct MessageUnit_D *reg = pacb->pmuD; + rwbuffer = reg->msgcode_rwbuffer; + writel(datetime.b.msg_time[0], rwbuffer++); + writel(datetime.b.msg_time[1], rwbuffer++); + writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, reg->inbound_msgaddr0); + break; + } + case ACB_ADAPTER_TYPE_E: { + struct MessageUnit_E __iomem *reg = pacb->pmuE; + writel(datetime.b.msg_time[0], ®->msgcode_rwbuffer[0]); + writel(datetime.b.msg_time[1], ®->msgcode_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, ®->inbound_msgaddr0); + pacb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE; + writel(pacb->out_doorbell, ®->iobound_doorbell); + break; + } + } + if (sys_tz.tz_minuteswest) + next_time = ARCMSR_HOURS; + else + next_time = ARCMSR_MINUTES; + mod_timer(&pacb->refresh_timer, jiffies + msecs_to_jiffies(next_time)); +} + static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) { uint32_t cdb_phyaddr, cdb_phyaddr_hi32; |