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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2011-03-30 11:46:29 -0700
committerJames Bottomley <James.Bottomley@suse.de>2011-05-01 10:12:18 -0500
commited0de87ce6be92bd84858ad496ffaf60344495a3 (patch)
treefc31af62d91756e59769f64bd0c1d6cf7d5024c8 /drivers/scsi
parent0e8edb0303a97717a9518428329adad3d6fe3b4d (diff)
downloadop-kernel-dev-ed0de87ce6be92bd84858ad496ffaf60344495a3.zip
op-kernel-dev-ed0de87ce6be92bd84858ad496ffaf60344495a3.tar.gz
[SCSI] qla2xxx: Add the ql2xdontresethba module_param.
Also, change the ISP82xx code to only reset if this module_param is set and reset is intended via the QLA82XX_DEV_NEED_RESET case. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_nx.c1
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c8
3 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index cd646ca..fbb4b8f 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -102,6 +102,7 @@ extern int ql2xgffidenable;
extern int ql2xenabledif;
extern int ql2xenablehba_err_chk;
extern int ql2xtargetreset;
+extern int ql2xdontresethba;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 81472e43..a62856e 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3585,6 +3585,7 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
qla82xx_idc_lock(ha);
break;
case QLA82XX_DEV_NEED_RESET:
+ if (!ql2xdontresethba)
qla82xx_need_reset_handler(vha);
dev_init_timeout = jiffies +
(ha->nx_dev_init_timeout * HZ);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d1b29dc..8791642 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -164,6 +164,14 @@ module_param(ql2xasynctmfenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xasynctmfenable,
"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
+
+int ql2xdontresethba;
+module_param(ql2xdontresethba, int, S_IRUGO);
+MODULE_PARM_DESC(ql2xdontresethba,
+ "Option to specify reset behaviour\n"
+ " 0 (Default) -- Reset on failure.\n"
+ " 1 -- Do not reset on failure.\n");
+
/*
* SCSI host template entry points
*/
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