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authortangwenji <tang.wenji@zte.com.cn>2017-08-21 20:55:41 +0800
committerNicholas Bellinger <nab@linux-iscsi.org>2017-11-04 14:45:23 -0700
commit79dd6f2fd170e19f979d31cd1ebc9eea6de1a75f (patch)
treedc3f51977c37b8663b7ac69742940181516bf953 /drivers/target
parente437fa3e5d1fde522fcc345ab1fe32a671b943f0 (diff)
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target: add sense code INSUFFICIENT REGISTRATION RESOURCES
If a PERSISTENT RESERVE OUT command with a REGISTER service action or a REGISTER AND IGNORE EXISTING KEY service action or REGISTER AND MOVE service action is attempted, but there are insufficient device server resources to complete the operation, then the command shall be terminated with CHECK CONDITION status, with the sense key set to ILLEGAL REQUEST,and the additonal sense code set to INSUFFICIENT REGISTRATION RESOURCES. Signed-off-by: tangwenji <tang.wenji@zte.com.cn> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_pr.c16
-rw-r--r--drivers/target/target_core_transport.c15
2 files changed, 23 insertions, 8 deletions
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index dbf572e0667b..871ae21870be 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1521,7 +1521,7 @@ core_scsi3_decode_spec_i_port(
tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
if (!tidh_new) {
pr_err("Unable to allocate tidh_new\n");
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
}
INIT_LIST_HEAD(&tidh_new->dest_list);
tidh_new->dest_tpg = tpg;
@@ -1533,7 +1533,7 @@ core_scsi3_decode_spec_i_port(
sa_res_key, all_tg_pt, aptpl);
if (!local_pr_reg) {
kfree(tidh_new);
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
}
tidh_new->dest_pr_reg = local_pr_reg;
/*
@@ -1553,7 +1553,7 @@ core_scsi3_decode_spec_i_port(
buf = transport_kmap_data_sg(cmd);
if (!buf) {
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
goto out;
}
@@ -1767,7 +1767,7 @@ core_scsi3_decode_spec_i_port(
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
kfree(tidh_new);
- ret = TCM_INVALID_PARAMETER_LIST;
+ ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
goto out_unmap;
}
tidh_new->dest_pr_reg = dest_pr_reg;
@@ -2103,7 +2103,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
register_type, 0)) {
pr_err("Unable to allocate"
" struct t10_pr_registration\n");
- return TCM_INVALID_PARAMETER_LIST;
+ return TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
}
} else {
/*
@@ -3215,7 +3215,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
*/
buf = transport_kmap_data_sg(cmd);
if (!buf) {
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
goto out_put_pr_reg;
}
@@ -3267,7 +3267,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
buf = transport_kmap_data_sg(cmd);
if (!buf) {
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
goto out_put_pr_reg;
}
proto_ident = (buf[24] & 0x0f);
@@ -3466,7 +3466,7 @@ after_iport_check:
if (core_scsi3_alloc_registration(cmd->se_dev, dest_node_acl,
dest_lun, dest_se_deve, dest_se_deve->mapped_lun,
iport_ptr, sa_res_key, 0, aptpl, 2, 1)) {
- ret = TCM_INVALID_PARAMETER_LIST;
+ ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
goto out;
}
spin_lock(&dev->dev_reservation_lock);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 836d552b0385..190f3ba23707 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3145,6 +3145,21 @@ static const struct sense_info sense_info_table[] = {
.key = NOT_READY,
.asc = 0x08, /* LOGICAL UNIT COMMUNICATION FAILURE */
},
+ [TCM_INSUFFICIENT_REGISTRATION_RESOURCES] = {
+ /*
+ * From spc4r22 section5.7.7,5.7.8
+ * If a PERSISTENT RESERVE OUT command with a REGISTER service action
+ * or a REGISTER AND IGNORE EXISTING KEY service action or
+ * REGISTER AND MOVE service actionis attempted,
+ * but there are insufficient device server resources to complete the
+ * operation, then the command shall be terminated with CHECK CONDITION
+ * status, with the sense key set to ILLEGAL REQUEST,and the additonal
+ * sense code set to INSUFFICIENT REGISTRATION RESOURCES.
+ */
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x55,
+ .ascq = 0x04, /* INSUFFICIENT REGISTRATION RESOURCES */
+ },
};
static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason)