[SCSI] qla2xxx: Add module parameter to enable/disable GFF_ID device type check.

Add the module parameter ql2xgffidenable to disable/enable the use of the
GFF_ID name server command to prevent non FCP SCSI devices from being added to
the driver's internal fc_port database.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@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 c33dec8..9382a81 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -92,6 +92,7 @@ extern int ql2xshiftctondsd;
 extern int ql2xdbwr;
 extern int ql2xdontresethba;
 extern int ql2xasynctmfenable;
+extern int ql2xgffidenable;
 extern int ql2xenabledif;
 extern int ql2xenablehba_err_chk;
 extern int ql2xtargetreset;

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 8c48660..6ea5376 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3284,8 +3284,9 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
                        continue;
 
                /* Bypass ports whose FCP-4 type is not FCP_SCSI */
-               if (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
-                   new_fcport->fc4_type != FC4_TYPE_UNKNOWN)
+               if (ql2xgffidenable &&
+                   (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
+                   new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
                        continue;
 
                /* Locate matching device in database. */

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index efbb8e7..65040a5 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -160,6 +160,11 @@ MODULE_PARM_DESC(ql2xtargetreset,
                 "Enable target reset."
                 "Default is 1 - use hw defaults.");
 
+int ql2xgffidenable;
+module_param(ql2xgffidenable, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xgffidenable,
+               "Enables GFF_ID checks of port type. "
+               "Default is 0 - Do not use GFF_ID information.");
 
 int ql2xasynctmfenable;
 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);