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[SCSI] megaraid_sas: Add resetwaittime module parameter

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This allows a user to adjust the wait time in seconds after I/O timeout before
resetting the adapter.

Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
adam radford 2012-07-17 18:20:24 -07:00 committed by James Bottomley
parent c5daa6a919
commit c007b8b2ec
2 changed files with 9 additions and 3 deletions
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7
drivers/scsi/megaraid/megaraid_sas_base.c
View File

@ -76,6 +76,11 @@ module_param(throttlequeuedepth, int, S_IRUGO);
MODULE_PARM_DESC(throttlequeuedepth,
"Adapter queue depth when throttled due to I/O timeout. Default: 16");
int resetwaittime = MEGASAS_RESET_WAIT_TIME;
module_param(resetwaittime, int, S_IRUGO);
MODULE_PARM_DESC(resetwaittime, "Wait time in seconds after I/O timeout "
"before resetting adapter. Default: 180");
MODULE_LICENSE("GPL");
MODULE_VERSION(MEGASAS_VERSION);
MODULE_AUTHOR("megaraidlinux@lsi.com");
@ -1778,7 +1783,7 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
return SUCCESS;
}
for (i = 0; i < wait_time; i++) {
for (i = 0; i < resetwaittime; i++) {
int outstanding = atomic_read(&instance->fw_outstanding);

5
drivers/scsi/megaraid/megaraid_sas_fusion.c
View File

@ -94,6 +94,7 @@ int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
void megaraid_sas_kill_hba(struct megasas_instance *instance);
extern u32 megasas_dbg_lvl;
extern int resetwaittime;
/**
* megasas_enable_intr_fusion - Enables interrupts
@ -2063,9 +2064,9 @@ megasas_check_reset_fusion(struct megasas_instance *instance,
int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance)
{
int i, outstanding, retval = 0;
u32 fw_state, wait_time = MEGASAS_RESET_WAIT_TIME;
u32 fw_state;
for (i = 0; i < wait_time; i++) {
for (i = 0; i < resetwaittime; i++) {
/* Check if firmware is in fault state */
fw_state = instance->instancet->read_fw_status_reg(
instance->reg_set) & MFI_STATE_MASK;