From 4f1826b8e56ffb5c0b7243a7b573bb521b919dfb Mon Sep 17 00:00:00 2001 From: ching Huang Date: Tue, 27 Oct 2020 11:31:31 +0800 Subject: 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 Signed-off-by: Martin K. Petersen --- drivers/scsi/arcmsr/arcmsr.h | 1 + drivers/scsi/arcmsr/arcmsr_hba.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) (limited to 'drivers/scsi/arcmsr') 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; -- cgit v1.2.3-70-g09d2