From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Tue, 4 May 2010 22:01:33 +0000 (-0700)
Subject: [SCSI] qla2xxx: Optionally disable target reset.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f4c496c1fbaa59dbb3820c18453df661079b1d4a;p=deliverable%2Flinux.git

[SCSI] qla2xxx: Optionally disable target reset.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 3e946da74b96..8217c3bcbc2e 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -96,6 +96,7 @@ extern int ql2xdontresethba;
 extern int ql2xasynctmfenable;
 extern int ql2xenabledif;
 extern int ql2xenablehba_err_chk;
+extern int ql2xtargetreset;
 
 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_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0de92d376677..be1a8fcbb1fb 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -154,6 +154,12 @@ MODULE_PARM_DESC(ql2xdontresethba,
 	" 0 (Default) -- Reset on failure.\n"
 	" 1 -- Do not reset on failure.\n");
 
+int ql2xtargetreset = 1;
+module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xtargetreset,
+		 "Enable target reset."
+		 "Default is 1 - use hw defaults.");
+
 
 int ql2xasynctmfenable;
 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
@@ -1193,7 +1199,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 	struct fc_port *fcport;
 	struct qla_hw_data *ha = vha->hw;
 
-	if (ha->flags.enable_target_reset) {
+	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
 			if (fcport->port_type != FCT_TARGET)
 				continue;