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-rw-r--r--drivers/target/target_core_spc.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 96dcb57..4c861de 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -35,6 +35,7 @@
#include <target/target_core_fabric.h>
#include "target_core_internal.h"
+#include "target_core_alua.h"
#include "target_core_pr.h"
#include "target_core_ua.h"
@@ -940,7 +941,8 @@ static int spc_emulate_testunitready(struct se_cmd *cmd)
int spc_parse_cdb(struct se_cmd *cmd, unsigned int *size)
{
- struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
+ struct se_device *dev = cmd->se_dev;
+ struct se_subsystem_dev *su_dev = dev->se_sub_dev;
unsigned char *cdb = cmd->t_task_cdb;
switch (cdb[0]) {
@@ -1050,6 +1052,44 @@ int spc_parse_cdb(struct se_cmd *cmd, unsigned int *size)
cmd->execute_cmd = spc_emulate_testunitready;
*size = 0;
break;
+ case MAINTENANCE_IN:
+ if (dev->transport->get_device_type(dev) != TYPE_ROM) {
+ /*
+ * MAINTENANCE_IN from SCC-2
+ * Check for emulated MI_REPORT_TARGET_PGS
+ */
+ if ((cdb[1] & 0x1f) == MI_REPORT_TARGET_PGS &&
+ su_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
+ cmd->execute_cmd =
+ target_emulate_report_target_port_groups;
+ }
+ *size = get_unaligned_be32(&cdb[6]);
+ } else {
+ /*
+ * GPCMD_SEND_KEY from multi media commands
+ */
+ *size = get_unaligned_be16(&cdb[8]);
+ }
+ break;
+ case MAINTENANCE_OUT:
+ if (dev->transport->get_device_type(dev) != TYPE_ROM) {
+ /*
+ * MAINTENANCE_OUT from SCC-2
+ * Check for emulated MO_SET_TARGET_PGS.
+ */
+ if (cdb[1] == MO_SET_TARGET_PGS &&
+ su_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
+ cmd->execute_cmd =
+ target_emulate_set_target_port_groups;
+ }
+ *size = get_unaligned_be32(&cdb[6]);
+ } else {
+ /*
+ * GPCMD_SEND_KEY from multi media commands
+ */
+ *size = get_unaligned_be16(&cdb[8]);
+ }
+ break;
default:
pr_warn("TARGET_CORE[%s]: Unsupported SCSI Opcode"
" 0x%02x, sending CHECK_CONDITION.\n",
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