switch (srp_cmd->task_attr) {
        case SRP_CMD_SIMPLE_Q:
-               cmd->sam_task_attr = MSG_SIMPLE_TAG;
+               cmd->sam_task_attr = TCM_SIMPLE_TAG;
                break;
        case SRP_CMD_ORDERED_Q:
        default:
-               cmd->sam_task_attr = MSG_ORDERED_TAG;
+               cmd->sam_task_attr = TCM_ORDERED_TAG;
                break;
        case SRP_CMD_HEAD_OF_Q:
-               cmd->sam_task_attr = MSG_HEAD_TAG;
+               cmd->sam_task_attr = TCM_HEAD_TAG;
                break;
        case SRP_CMD_ACA:
-               cmd->sam_task_attr = MSG_ACA_TAG;
+               cmd->sam_task_attr = TCM_ACA_TAG;
                break;
        }
 
                                       sizeof(srp_cmd->lun));
        rc = target_submit_cmd(cmd, ch->sess, srp_cmd->cdb,
                        &send_ioctx->sense_data[0], unpacked_lun, data_len,
-                       MSG_SIMPLE_TAG, dir, TARGET_SCF_ACK_KREF);
+                       TCM_SIMPLE_TAG, dir, TARGET_SCF_ACK_KREF);
        if (rc != 0) {
                ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                goto send_sense;
 
         */
        if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) &&
            (boardp->reqcnt[scp->device->id] % 255) == 0) {
-               asc_scsi_q->q2.tag_code = MSG_ORDERED_TAG;
+               asc_scsi_q->q2.tag_code = ORDERED_QUEUE_TAG;
        } else {
-               asc_scsi_q->q2.tag_code = MSG_SIMPLE_TAG;
+               asc_scsi_q->q2.tag_code = SIMPLE_QUEUE_TAG;
        }
 
        /* Build ASC_SCSI_Q */
        }
        q_addr = ASC_QNO_TO_QADDR(q_no);
        if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
-               scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
+               scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
        }
        scsiq->q1.status = QS_FREE;
        AscMemWordCopyPtrToLram(iop_base,
                }
        }
        if (disable_syn_offset_one_fix) {
-               scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
+               scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
                scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
                                       ASC_TAG_FLAG_DISABLE_DISCONNECT);
        } else {
 
 
        switch (task_codes) {
        case ATIO_SIMPLE_QUEUE:
-               fcp_task_attr = MSG_SIMPLE_TAG;
+               fcp_task_attr = TCM_SIMPLE_TAG;
                break;
        case ATIO_HEAD_OF_QUEUE:
-               fcp_task_attr = MSG_HEAD_TAG;
+               fcp_task_attr = TCM_HEAD_TAG;
                break;
        case ATIO_ORDERED_QUEUE:
-               fcp_task_attr = MSG_ORDERED_TAG;
+               fcp_task_attr = TCM_ORDERED_TAG;
                break;
        case ATIO_ACA_QUEUE:
-               fcp_task_attr = MSG_ACA_TAG;
+               fcp_task_attr = TCM_ACA_TAG;
                break;
        case ATIO_UNTAGGED:
-               fcp_task_attr = MSG_SIMPLE_TAG;
+               fcp_task_attr = TCM_SIMPLE_TAG;
                break;
        default:
                ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05d,
                    "qla_target: unknown task code %x, use ORDERED instead\n",
                    task_codes);
-               fcp_task_attr = MSG_ORDERED_TAG;
+               fcp_task_attr = TCM_ORDERED_TAG;
                break;
        }
 
 
 #define DEF_REMOVABLE false
 #define DEF_SCSI_LEVEL   6    /* INQUIRY, byte2 [6->SPC-4] */
 #define DEF_SECTOR_SIZE 512
-#define DEF_TAGGED_QUEUING 0 /* 0 | MSG_SIMPLE_TAG | MSG_ORDERED_TAG */
 #define DEF_UNMAP_ALIGNMENT 0
 #define DEF_UNMAP_GRANULARITY 1
 #define DEF_UNMAP_MAX_BLOCKS 0xFFFFFFFF
 
 int spi_populate_tag_msg(unsigned char *msg, struct scsi_cmnd *cmd)
 {
         if (cmd->flags & SCMD_TAGGED) {
-               *msg++ = MSG_SIMPLE_TAG;
+               *msg++ = SIMPLE_QUEUE_TAG;
                *msg++ = cmd->request->tag;
                return 2;
        }
 
         */
        if ((iscsi_task_attr == ISCSI_ATTR_UNTAGGED) ||
            (iscsi_task_attr == ISCSI_ATTR_SIMPLE))
-               sam_task_attr = MSG_SIMPLE_TAG;
+               sam_task_attr = TCM_SIMPLE_TAG;
        else if (iscsi_task_attr == ISCSI_ATTR_ORDERED)
-               sam_task_attr = MSG_ORDERED_TAG;
+               sam_task_attr = TCM_ORDERED_TAG;
        else if (iscsi_task_attr == ISCSI_ATTR_HEAD_OF_QUEUE)
-               sam_task_attr = MSG_HEAD_TAG;
+               sam_task_attr = TCM_HEAD_TAG;
        else if (iscsi_task_attr == ISCSI_ATTR_ACA)
-               sam_task_attr = MSG_ACA_TAG;
+               sam_task_attr = TCM_ACA_TAG;
        else {
                pr_debug("Unknown iSCSI Task Attribute: 0x%02x, using"
-                       " MSG_SIMPLE_TAG\n", iscsi_task_attr);
-               sam_task_attr = MSG_SIMPLE_TAG;
+                       " TCM_SIMPLE_TAG\n", iscsi_task_attr);
+               sam_task_attr = TCM_SIMPLE_TAG;
        }
 
        cmd->iscsi_opcode       = ISCSI_OP_SCSI_CMD;
                transport_init_se_cmd(&cmd->se_cmd,
                                      &lio_target_fabric_configfs->tf_ops,
                                      conn->sess->se_sess, 0, DMA_NONE,
-                                     MSG_SIMPLE_TAG, cmd->sense_buffer + 2);
+                                     TCM_SIMPLE_TAG, cmd->sense_buffer + 2);
 
                target_get_sess_cmd(conn->sess->se_sess, &cmd->se_cmd, true);
                sess_ref = true;
 
 
        rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd,
                        &tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun,
-                       transfer_length, MSG_SIMPLE_TAG,
+                       transfer_length, TCM_SIMPLE_TAG,
                        sc->sc_data_direction, 0,
                        scsi_sglist(sc), scsi_sg_count(sc),
                        sgl_bidi, sgl_bidi_count,
         * Initialize struct se_cmd descriptor from target_core_mod infrastructure
         */
        transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, 0,
-                               DMA_NONE, MSG_SIMPLE_TAG,
+                               DMA_NONE, TCM_SIMPLE_TAG,
                                &tl_cmd->tl_sense_buf[0]);
 
        rc = core_tmr_alloc_req(se_cmd, tl_tmr, tmr, GFP_KERNEL);
 
 
        if (target_submit_cmd(&req->se_cmd, sess->se_sess, req->cmd_buf,
                              req->sense_buf, unpacked_lun, data_length,
-                             MSG_SIMPLE_TAG, data_dir, 0))
+                             TCM_SIMPLE_TAG, data_dir, 0))
                goto err;
 
        return;
 
        req->retries = PS_RETRY;
 
        blk_execute_rq_nowait(pdv->pdv_sd->request_queue, NULL, req,
-                       (cmd->sam_task_attr == MSG_HEAD_TAG),
+                       (cmd->sam_task_attr == TCM_HEAD_TAG),
                        pscsi_req_done);
 
        return 0;
 
        cmd->t_data_nents_orig = cmd->t_data_nents;
        cmd->t_data_nents = 1;
 
-       cmd->sam_task_attr = MSG_HEAD_TAG;
+       cmd->sam_task_attr = TCM_HEAD_TAG;
        cmd->transport_complete_callback = compare_and_write_post;
        /*
         * Now reset ->execute_cmd() to the normal sbc_execute_rw() handler
 
                 * Do implicit HEAD_OF_QUEUE processing for INQUIRY.
                 * See spc4r17 section 5.3
                 */
-               cmd->sam_task_attr = MSG_HEAD_TAG;
+               cmd->sam_task_attr = TCM_HEAD_TAG;
                cmd->execute_cmd = spc_emulate_inquiry;
                break;
        case SECURITY_PROTOCOL_IN:
                 * Do implicit HEAD_OF_QUEUE processing for REPORT_LUNS
                 * See spc4r17 section 5.3
                 */
-               cmd->sam_task_attr = MSG_HEAD_TAG;
+               cmd->sam_task_attr = TCM_HEAD_TAG;
                break;
        case TEST_UNIT_READY:
                cmd->execute_cmd = spc_emulate_testunitready;
 
        if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
                return 0;
 
-       if (cmd->sam_task_attr == MSG_ACA_TAG) {
+       if (cmd->sam_task_attr == TCM_ACA_TAG) {
                pr_debug("SAM Task Attribute ACA"
                        " emulation is not supported\n");
                return TCM_INVALID_CDB_FIELD;
        BUG_ON(!se_tpg);
 
        transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess,
-                             0, DMA_NONE, MSG_SIMPLE_TAG, sense);
+                             0, DMA_NONE, TCM_SIMPLE_TAG, sense);
        /*
         * FIXME: Currently expect caller to handle se_cmd->se_tmr_req
         * allocation failure.
         * to allow the passed struct se_cmd list of tasks to the front of the list.
         */
        switch (cmd->sam_task_attr) {
-       case MSG_HEAD_TAG:
+       case TCM_HEAD_TAG:
                pr_debug("Added HEAD_OF_QUEUE for CDB: 0x%02x, "
                         "se_ordered_id: %u\n",
                         cmd->t_task_cdb[0], cmd->se_ordered_id);
                return false;
-       case MSG_ORDERED_TAG:
+       case TCM_ORDERED_TAG:
                atomic_inc_mb(&dev->dev_ordered_sync);
 
                pr_debug("Added ORDERED for CDB: 0x%02x to ordered list, "
 
                __target_execute_cmd(cmd);
 
-               if (cmd->sam_task_attr == MSG_ORDERED_TAG)
+               if (cmd->sam_task_attr == TCM_ORDERED_TAG)
                        break;
        }
 }
        if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
                return;
 
-       if (cmd->sam_task_attr == MSG_SIMPLE_TAG) {
+       if (cmd->sam_task_attr == TCM_SIMPLE_TAG) {
                atomic_dec_mb(&dev->simple_cmds);
                dev->dev_cur_ordered_id++;
                pr_debug("Incremented dev->dev_cur_ordered_id: %u for"
                        " SIMPLE: %u\n", dev->dev_cur_ordered_id,
                        cmd->se_ordered_id);
-       } else if (cmd->sam_task_attr == MSG_HEAD_TAG) {
+       } else if (cmd->sam_task_attr == TCM_HEAD_TAG) {
                dev->dev_cur_ordered_id++;
                pr_debug("Incremented dev_cur_ordered_id: %u for"
                        " HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
                        cmd->se_ordered_id);
-       } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
+       } else if (cmd->sam_task_attr == TCM_ORDERED_TAG) {
                atomic_dec_mb(&dev->dev_ordered_sync);
 
                dev->dev_cur_ordered_id++;
 
         */
        switch (fcp->fc_pri_ta & FCP_PTA_MASK) {
        case FCP_PTA_HEADQ:
-               task_attr = MSG_HEAD_TAG;
+               task_attr = TCM_HEAD_TAG;
                break;
        case FCP_PTA_ORDERED:
-               task_attr = MSG_ORDERED_TAG;
+               task_attr = TCM_ORDERED_TAG;
                break;
        case FCP_PTA_ACA:
-               task_attr = MSG_ACA_TAG;
+               task_attr = TCM_ACA_TAG;
                break;
        case FCP_PTA_SIMPLE: /* Fallthrough */
        default:
-               task_attr = MSG_SIMPLE_TAG;
+               task_attr = TCM_SIMPLE_TAG;
        }
 
        fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
 
 
        switch (cmd_iu->prio_attr & 0x7) {
        case UAS_HEAD_TAG:
-               cmd->prio_attr = MSG_HEAD_TAG;
+               cmd->prio_attr = TCM_HEAD_TAG;
                break;
        case UAS_ORDERED_TAG:
-               cmd->prio_attr = MSG_ORDERED_TAG;
+               cmd->prio_attr = TCM_ORDERED_TAG;
                break;
        case UAS_ACA:
-               cmd->prio_attr = MSG_ACA_TAG;
+               cmd->prio_attr = TCM_ACA_TAG;
                break;
        default:
                pr_debug_once("Unsupported prio_attr: %02x.\n",
                                cmd_iu->prio_attr);
        case UAS_SIMPLE_TAG:
-               cmd->prio_attr = MSG_SIMPLE_TAG;
+               cmd->prio_attr = TCM_SIMPLE_TAG;
                break;
        }
 
                goto err;
        }
 
-       cmd->prio_attr = MSG_SIMPLE_TAG;
+       cmd->prio_attr = TCM_SIMPLE_TAG;
        se_cmd = &cmd->se_cmd;
        cmd->unpacked_lun = cbw->Lun;
        cmd->is_read = cbw->Flags & US_BULK_FLAG_IN ? 1 : 0;
 
        init_waitqueue_head(&tmr->tmr_wait);
 
        transport_init_se_cmd(se_cmd, tpg->se_tpg.se_tpg_tfo,
-               tpg->tpg_nexus->tvn_se_sess, 0, DMA_NONE, MSG_SIMPLE_TAG,
+               tpg->tpg_nexus->tvn_se_sess, 0, DMA_NONE, TCM_SIMPLE_TAG,
                &pending_req->sense_buffer[0]);
 
        rc = core_tmr_alloc_req(se_cmd, tmr, act, GFP_KERNEL);
 
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 
-#define MSG_SIMPLE_TAG 0x20
-#define MSG_HEAD_TAG   0x21
-#define MSG_ORDERED_TAG        0x22
-#define MSG_ACA_TAG    0x24    /* unsupported */
-
 #define SCSI_NO_TAG    (-1)    /* identify no tag in use */
 
 
 
        __be32                  ref_tag;
 };
 
+/* for sam_task_attr */
+#define TCM_SIMPLE_TAG 0x20
+#define TCM_HEAD_TAG   0x21
+#define TCM_ORDERED_TAG        0x22
+#define TCM_ACA_TAG    0x24
+
 struct se_cmd {
        /* SAM response code being sent to initiator */
        u8                      scsi_status;
 
 
 #define show_task_attribute_name(val)                          \
        __print_symbolic(val,                                   \
-               { MSG_SIMPLE_TAG,       "SIMPLE"        },      \
-               { MSG_HEAD_TAG,         "HEAD"          },      \
-               { MSG_ORDERED_TAG,      "ORDERED"       },      \
-               { MSG_ACA_TAG,          "ACA"           } )
+               { TCM_SIMPLE_TAG,       "SIMPLE"        },      \
+               { TCM_HEAD_TAG,         "HEAD"          },      \
+               { TCM_ORDERED_TAG,      "ORDERED"       },      \
+               { TCM_ACA_TAG,          "ACA"           } )
 
 #define show_scsi_status_name(val)                             \
        __print_symbolic(val,                                   \