Commit b416c099 authored by Ching Huang's avatar Ching Huang Committed by Martin K. Petersen
Browse files

scsi: arcmsr: Add a function to set date and time to firmware 



Add a function arcmsr_set_iop_datetime and driver option set_date_time
to set date and time to firmware.

Signed-off-by: default avatarChing Huang <ching2048@areca.com.tw>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 5dd8b3e7

drivers/scsi/arcmsr/arcmsr.h

+4 −0
Original line number Diff line number Diff line
@@ -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;

drivers/scsi/arcmsr/arcmsr_hba.c

+127 −0
Original line number Diff line number Diff line
@@ -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 @@ arcmsr_request_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb) 
	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], &reg->message_rwbuffer[0]);

			writel(datetime.b.msg_time[1], &reg->message_rwbuffer[1]);

			writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, &reg->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], &reg->msgcode_rwbuffer[0]);

			writel(datetime.b.msg_time[1], &reg->msgcode_rwbuffer[1]);

			writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, &reg->inbound_msgaddr0);

			writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->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], &reg->msgcode_rwbuffer[0]);

			writel(datetime.b.msg_time[1], &reg->msgcode_rwbuffer[1]);

			writel(ARCMSR_INBOUND_MESG0_SYNC_TIMER, &reg->inbound_msgaddr0);

			pacb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;

			writel(pacb->out_doorbell, &reg->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;