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Date: Tue, 05 Dec 2017 09:59:52 +0800
From: Ching Huang <ching2048@...ca.com.tw>
To: martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: James.Bottomley@...senPartnership.com, sfr@...b.auug.org.au
Subject: [PATCH 10/17] scsi: arcmsr: add a function arcmsr_set_iop_datetime
and driver option set_date_time to set date and time to firmware
From: Ching Huang <ching2048@...ca.com.tw>
add a function arcmsr_set_iop_datetime and driver option set_date_time to set date and time to firmware
Signed-off-by: Ching Huang <ching2048@...ca.com.tw>
---
diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
--- a/drivers/scsi/arcmsr/arcmsr.h 2017-12-05 15:27:04.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr.h 2017-12-05 15:27:32.000000000 +0800
@@ -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 -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c 2017-12-05 11:46:06.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2017-12-05 11:45:52.000000000 +0800
@@ -83,6 +83,10 @@ static int cmd_per_lun = ARCMSR_DEFAULT_
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 Sc
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 *
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
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
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
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_d
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
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;
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