diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/target/target_core_spc.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 96dcb57089f7..4c861de538c9 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", |