iscsi-target: Add new TPG attribute

[karo-tx-linux.git] / drivers / target / iscsi / iscsi_target_tpg.c

diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 1ef5df03ff5c98a40e3833e12bdb8a1d5b3a62a6..98ccf0bff546ceae2b802947fc8c677a9ae2c13f 100644 (file)
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -223,6 +223,7 @@ static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)
        a->cache_dynamic_acls = TA_CACHE_DYNAMIC_ACLS;
        a->demo_mode_write_protect = TA_DEMO_MODE_WRITE_PROTECT;
        a->prod_mode_write_protect = TA_PROD_MODE_WRITE_PROTECT;
+       a->demo_mode_discovery = TA_DEMO_MODE_DISCOVERY;
 }
 
 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)
@@ -820,3 +821,22 @@ int iscsit_ta_prod_mode_write_protect(
 
        return 0;
 }
+
+int iscsit_ta_demo_mode_discovery(
+       struct iscsi_portal_group *tpg,
+       u32 flag)
+{
+       struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
+
+       if ((flag != 0) && (flag != 1)) {
+               pr_err("Illegal value %d\n", flag);
+               return -EINVAL;
+       }
+
+       a->demo_mode_discovery = flag;
+       pr_debug("iSCSI_TPG[%hu] - Demo Mode Discovery bit:"
+               " %s\n", tpg->tpgt, (a->demo_mode_discovery) ?
+               "ON" : "OFF");
+
+       return 0;
+}