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| author | ching Huang <ching2048@areca.com.tw> | 2020-10-27 11:31:31 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-10-29 22:09:11 -0400 |
| commit | 4f1826b8e56ffb5c0b7243a7b573bb521b919dfb (patch) | |
| tree | 5b278ab295f0d96aa5bff372e3803ab6749e4ef2 /drivers/scsi/arcmsr | |
| parent | 61906fd465c0dba963485a138626bde82dbc6f7e (diff) | |
| download | lwn-4f1826b8e56ffb5c0b7243a7b573bb521b919dfb.tar.gz lwn-4f1826b8e56ffb5c0b7243a7b573bb521b919dfb.zip | |
scsi: arcmsr: Configure the default command timeout value
Allow configuring the default command timeout value for devices attached to
arcmsr controllers.
Link: https://lore.kernel.org/r/27c0cda7fd103f05021adaf67490e9298ed5cc3f.camel@areca.com.tw
Signed-off-by: ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/arcmsr')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 5d054d5c70a5..0f6abd233614 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -83,6 +83,7 @@ struct device_attribute; #define PCI_DEVICE_ID_ARECA_1886 0x188A #define ARCMSR_HOURS (1000 * 60 * 60 * 4) #define ARCMSR_MINUTES (1000 * 60 * 60) +#define ARCMSR_DEFAULT_TIMEOUT 90 /* ********************************************************************************** ** diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index e4fdb473b990..7cfae1decd12 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -99,6 +99,10 @@ 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"); +static int cmd_timeout = ARCMSR_DEFAULT_TIMEOUT; +module_param(cmd_timeout, int, S_IRUGO); +MODULE_PARM_DESC(cmd_timeout, " scsi cmd timeout(0 ~ 120 sec.), default is 90"); + #define ARCMSR_SLEEPTIME 10 #define ARCMSR_RETRYCOUNT 12 @@ -140,6 +144,7 @@ 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_slave_config(struct scsi_device *sdev); static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) { if (queue_depth > ARCMSR_MAX_CMD_PERLUN) @@ -155,6 +160,7 @@ static struct scsi_host_template arcmsr_scsi_host_template = { .eh_abort_handler = arcmsr_abort, .eh_bus_reset_handler = arcmsr_bus_reset, .bios_param = arcmsr_bios_param, + .slave_configure = arcmsr_slave_config, .change_queue_depth = arcmsr_adjust_disk_queue_depth, .can_queue = ARCMSR_DEFAULT_OUTSTANDING_CMD, .this_id = ARCMSR_SCSI_INITIATOR_ID, @@ -3256,6 +3262,16 @@ static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, static DEF_SCSI_QCMD(arcmsr_queue_command) +static int arcmsr_slave_config(struct scsi_device *sdev) +{ + unsigned int dev_timeout; + + dev_timeout = sdev->request_queue->rq_timeout; + if ((cmd_timeout > 0) && ((cmd_timeout * HZ) > dev_timeout)) + blk_queue_rq_timeout(sdev->request_queue, cmd_timeout * HZ); + return 0; +} + static void arcmsr_get_adapter_config(struct AdapterControlBlock *pACB, uint32_t *rwbuffer) { int count; |