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authoradam radford <aradford@gmail.com>2012-07-17 18:20:24 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-08-24 13:10:29 +0400
commitc007b8b2ec3f0ad1256e4a31b07138c04e5bcde3 (patch)
treeb2676ca7373dee5aec25dd96212dc799d51a4031 /drivers/scsi/megaraid
parentc5daa6a91984a296446b33d6e13ff802af9dc352 (diff)
downloadblackbird-op-linux-c007b8b2ec3f0ad1256e4a31b07138c04e5bcde3.tar.gz
blackbird-op-linux-c007b8b2ec3f0ad1256e4a31b07138c04e5bcde3.zip
[SCSI] megaraid_sas: Add resetwaittime module parameter
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>
Diffstat (limited to 'drivers/scsi/megaraid')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c7
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c5
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index f8f0a165dfb6..2ee7052ac6bb 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -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);
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index a610cf1d4847..788115b72b22 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -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;
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