|
@@ -2130,6 +2130,55 @@ static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_access_type(
|
|
|
|
|
|
SE_DEV_ALUA_TG_PT_ATTR(alua_access_type, S_IRUGO | S_IWUSR);
|
|
|
|
|
|
+/*
|
|
|
+ * alua_supported_states
|
|
|
+ */
|
|
|
+static ssize_t target_core_alua_tg_pt_gp_show_attr_alua_supported_states(
|
|
|
+ struct t10_alua_tg_pt_gp *tg_pt_gp,
|
|
|
+ char *page)
|
|
|
+{
|
|
|
+ return sprintf(page, "%02x\n",
|
|
|
+ tg_pt_gp->tg_pt_gp_alua_supported_states);
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_supported_states(
|
|
|
+ struct t10_alua_tg_pt_gp *tg_pt_gp,
|
|
|
+ const char *page,
|
|
|
+ size_t count)
|
|
|
+{
|
|
|
+ unsigned long tmp;
|
|
|
+ int new_states, valid_states, ret;
|
|
|
+
|
|
|
+ if (!tg_pt_gp->tg_pt_gp_valid_id) {
|
|
|
+ pr_err("Unable to do set supported ALUA states on non"
|
|
|
+ " valid tg_pt_gp ID: %hu\n",
|
|
|
+ tg_pt_gp->tg_pt_gp_valid_id);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = strict_strtoul(page, 0, &tmp);
|
|
|
+ if (ret < 0) {
|
|
|
+ pr_err("Unable to extract new supported ALUA states"
|
|
|
+ " from %s\n", page);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ new_states = (int)tmp;
|
|
|
+ valid_states = ALUA_T_SUP | ALUA_O_SUP | ALUA_LBD_SUP | \
|
|
|
+ ALUA_U_SUP | ALUA_S_SUP | ALUA_AN_SUP | ALUA_AO_SUP;
|
|
|
+
|
|
|
+
|
|
|
+ if (new_states & ~valid_states) {
|
|
|
+ pr_err("Illegal supported ALUA states: 0x%02x\n",
|
|
|
+ new_states);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ tg_pt_gp->tg_pt_gp_alua_supported_states = new_states;
|
|
|
+ return count;
|
|
|
+}
|
|
|
+
|
|
|
+SE_DEV_ALUA_TG_PT_ATTR(alua_supported_states, S_IRUGO | S_IWUSR);
|
|
|
+
|
|
|
/*
|
|
|
* alua_write_metadata
|
|
|
*/
|
|
@@ -2350,6 +2399,7 @@ static struct configfs_attribute *target_core_alua_tg_pt_gp_attrs[] = {
|
|
|
&target_core_alua_tg_pt_gp_alua_access_state.attr,
|
|
|
&target_core_alua_tg_pt_gp_alua_access_status.attr,
|
|
|
&target_core_alua_tg_pt_gp_alua_access_type.attr,
|
|
|
+ &target_core_alua_tg_pt_gp_alua_supported_states.attr,
|
|
|
&target_core_alua_tg_pt_gp_alua_write_metadata.attr,
|
|
|
&target_core_alua_tg_pt_gp_nonop_delay_msecs.attr,
|
|
|
&target_core_alua_tg_pt_gp_trans_delay_msecs.attr,
|