diff --git a/sys/dev/mpi3mr/mpi3mr.c b/sys/dev/mpi3mr/mpi3mr.c
--- a/sys/dev/mpi3mr/mpi3mr.c
+++ b/sys/dev/mpi3mr/mpi3mr.c
@@ -624,7 +624,7 @@
 		}
 		bzero(op_reply_q->q_base, op_reply_q->qsz);
 		bus_dmamap_load(op_reply_q->q_base_tag, op_reply_q->q_base_dmamap, op_reply_q->q_base, op_reply_q->qsz,
-		    mpi3mr_memaddr_cb, &op_reply_q->q_base_phys, 0);
+		    mpi3mr_memaddr_cb, &op_reply_q->q_base_phys, BUS_DMA_NOWAIT);
 		mpi3mr_dprint(sc, MPI3MR_XINFO, "Operational Reply queue ID: %d phys addr= %#016jx virt_addr: %pa size= %d\n",
 		    qid, (uintmax_t)op_reply_q->q_base_phys, op_reply_q->q_base, op_reply_q->qsz);
 		
@@ -772,7 +772,7 @@
 		bzero(op_req_q->q_base, op_req_q->qsz);
 		
 		bus_dmamap_load(op_req_q->q_base_tag, op_req_q->q_base_dmamap, op_req_q->q_base, op_req_q->qsz,
-		    mpi3mr_memaddr_cb, &op_req_q->q_base_phys, 0);
+		    mpi3mr_memaddr_cb, &op_req_q->q_base_phys, BUS_DMA_NOWAIT);
 		
 		mpi3mr_dprint(sc, MPI3MR_XINFO, "Operational Request QID: %d phys addr= %#016jx virt addr= %pa size= %d associated Reply QID: %d\n",
 		    req_qid, (uintmax_t)op_req_q->q_base_phys, op_req_q->q_base, op_req_q->qsz, reply_qid);
@@ -1003,7 +1003,7 @@
 		}
 		bzero(sc->admin_req, sc->admin_req_q_sz);
 		bus_dmamap_load(sc->admin_req_tag, sc->admin_req_dmamap, sc->admin_req, sc->admin_req_q_sz,
-		    mpi3mr_memaddr_cb, &sc->admin_req_phys, 0);
+		    mpi3mr_memaddr_cb, &sc->admin_req_phys, BUS_DMA_NOWAIT);
 		mpi3mr_dprint(sc, MPI3MR_XINFO, "Admin Req queue phys addr= %#016jx size= %d\n",
 		    (uintmax_t)sc->admin_req_phys, sc->admin_req_q_sz);
 		
@@ -1041,7 +1041,7 @@
 		}
 		bzero(sc->admin_reply, sc->admin_reply_q_sz);
 		bus_dmamap_load(sc->admin_reply_tag, sc->admin_reply_dmamap, sc->admin_reply, sc->admin_reply_q_sz,
-		    mpi3mr_memaddr_cb, &sc->admin_reply_phys, 0);
+		    mpi3mr_memaddr_cb, &sc->admin_reply_phys, BUS_DMA_NOWAIT);
 		mpi3mr_dprint(sc, MPI3MR_XINFO, "Admin Reply queue phys addr= %#016jx size= %d\n",
 		    (uintmax_t)sc->admin_reply_phys, sc->admin_req_q_sz);
 		
@@ -1459,7 +1459,7 @@
 
         bzero(data, data_len);
         bus_dmamap_load(data_tag, data_map, data, data_len,
-	    mpi3mr_memaddr_cb, &data_phys, 0);
+	    mpi3mr_memaddr_cb, &data_phys, BUS_DMA_NOWAIT);
 	mpi3mr_dprint(sc, MPI3MR_XINFO, "Func: %s line: %d IOCfacts data phys addr= %#016jx size= %d\n",
 	    __func__, __LINE__, (uintmax_t)data_phys, data_len);
 	
@@ -1726,7 +1726,7 @@
         
 	bzero(sc->reply_buf, sz);
         bus_dmamap_load(sc->reply_buf_tag, sc->reply_buf_dmamap, sc->reply_buf, sz,
-	    mpi3mr_memaddr_cb, &sc->reply_buf_phys, 0);
+	    mpi3mr_memaddr_cb, &sc->reply_buf_phys, BUS_DMA_NOWAIT);
 	
 	sc->reply_buf_dma_min_address = sc->reply_buf_phys;
 	sc->reply_buf_dma_max_address = sc->reply_buf_phys + sz;
@@ -1762,7 +1762,7 @@
         
 	bzero(sc->reply_free_q, sz);
         bus_dmamap_load(sc->reply_free_q_tag, sc->reply_free_q_dmamap, sc->reply_free_q, sz,
-	    mpi3mr_memaddr_cb, &sc->reply_free_q_phys, 0);
+	    mpi3mr_memaddr_cb, &sc->reply_free_q_phys, BUS_DMA_NOWAIT);
 	
 	mpi3mr_dprint(sc, MPI3MR_XINFO, "reply_free_q (0x%p): depth(%d), frame_size(%d), "
 	    "pool_size(%d kB), reply_free_q_dma(0x%llx)\n",
@@ -1796,7 +1796,7 @@
         
 	bzero(sc->sense_buf, sz);
         bus_dmamap_load(sc->sense_buf_tag, sc->sense_buf_dmamap, sc->sense_buf, sz,
-	    mpi3mr_memaddr_cb, &sc->sense_buf_phys, 0);
+	    mpi3mr_memaddr_cb, &sc->sense_buf_phys, BUS_DMA_NOWAIT);
 
 	mpi3mr_dprint(sc, MPI3MR_XINFO, "sense_buf (0x%p): depth(%d), frame_size(%d), "
 	    "pool_size(%d kB), sense_dma(0x%llx)\n",
@@ -1830,7 +1830,7 @@
         
 	bzero(sc->sense_buf_q, sz);
         bus_dmamap_load(sc->sense_buf_q_tag, sc->sense_buf_q_dmamap, sc->sense_buf_q, sz,
-	    mpi3mr_memaddr_cb, &sc->sense_buf_q_phys, 0);
+	    mpi3mr_memaddr_cb, &sc->sense_buf_q_phys, BUS_DMA_NOWAIT);
 
 	mpi3mr_dprint(sc, MPI3MR_XINFO, "sense_buf_q (0x%p): depth(%d), frame_size(%d), "
 	    "pool_size(%d kB), sense_dma(0x%llx)\n",
@@ -1966,7 +1966,8 @@
 
 	bzero(fw_pkg_ver, fw_pkg_ver_len);
 
-	bus_dmamap_load(fw_pkg_ver_tag, fw_pkg_ver_map, fw_pkg_ver, fw_pkg_ver_len, mpi3mr_memaddr_cb, &fw_pkg_ver_dma, 0);
+	bus_dmamap_load(fw_pkg_ver_tag, fw_pkg_ver_map, fw_pkg_ver,
+	    fw_pkg_ver_len, mpi3mr_memaddr_cb, &fw_pkg_ver_dma, BUS_DMA_NOWAIT);
 
 	mpi3mr_dprint(sc, MPI3MR_XINFO, "Func: %s line: %d fw package version phys addr= %#016jx size= %d\n",
 		      __func__, __LINE__, (uintmax_t)fw_pkg_ver_dma, fw_pkg_ver_len);
@@ -2088,7 +2089,7 @@
         
 	bzero(drvr_info, drvr_info_len);
         bus_dmamap_load(drvr_info_tag, drvr_info_map, drvr_info, drvr_info_len,
-	    mpi3mr_memaddr_cb, &drvr_info_phys, 0);
+	    mpi3mr_memaddr_cb, &drvr_info_phys, BUS_DMA_NOWAIT);
 	mpi3mr_dprint(sc, MPI3MR_XINFO, "Func: %s line: %d IOCfacts drvr_info phys addr= %#016jx size= %d\n",
 	    __func__, __LINE__, (uintmax_t)drvr_info_phys, drvr_info_len);
 	
@@ -2505,7 +2506,7 @@
 		
 		bzero(sc->chain_sgl_list[i].buf, sz);
 		bus_dmamap_load(sc->chain_sgl_list_tag, sc->chain_sgl_list[i].buf_dmamap, sc->chain_sgl_list[i].buf, sz,
-		    mpi3mr_memaddr_cb, &sc->chain_sgl_list[i].buf_phys, 0);
+		    mpi3mr_memaddr_cb, &sc->chain_sgl_list[i].buf_phys, BUS_DMA_NOWAIT);
 		mpi3mr_dprint(sc, MPI3MR_XINFO, "Func: %s line: %d phys addr= %#016jx size= %d\n",
 		    __func__, __LINE__, (uintmax_t)sc->chain_sgl_list[i].buf_phys, sz);
 	}
@@ -2582,7 +2583,7 @@
 		bzero(sc->pel_seq_number, sc->pel_seq_number_sz);
 		
 		bus_dmamap_load(sc->pel_seq_num_dmatag, sc->pel_seq_num_dmamap, sc->pel_seq_number,
-		    sc->pel_seq_number_sz, mpi3mr_memaddr_cb, &sc->pel_seq_number_dma, 0);
+		    sc->pel_seq_number_sz, mpi3mr_memaddr_cb, &sc->pel_seq_number_dma, BUS_DMA_NOWAIT);
 		
 		if (!sc->pel_seq_number) {
 			printf(IOCNAME "%s:%d Cannot load PEL seq number dma memory for size: %d\n", sc->name,
@@ -4910,12 +4911,11 @@
 				BUS_SPACE_MAXADDR,	/* lowaddr */
 				BUS_SPACE_MAXADDR,	/* highaddr */
 				NULL, NULL,		/* filter, filterarg */
-				MAXPHYS,/* maxsize */
-                                nsegs,			/* nsegments */
-				MAXPHYS,/* maxsegsize */
-                                BUS_DMA_ALLOCNOW,	/* flags */
-                                busdma_lock_mutex,	/* lockfunc */
-				&sc->io_lock,	/* lockarg */
+				BUS_SPACE_MAXSIZE,	/* maxsize */
+				nsegs,			/* nsegments */
+				BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
+				BUS_DMA_ALLOCNOW,	/* flags */
+				NULL, NULL,		/* lockfunc, lockarg */
 				&sc->buffer_dmat);
 	if (ret) {
 		mpi3mr_dprint(sc, MPI3MR_ERROR, "Cannot allocate buffer DMA tag ret: %d\n", ret);
@@ -5104,7 +5104,7 @@
 		}
 		bzero(mem_desc->addr, mem_desc->size);
 		bus_dmamap_load(mem_desc->tag, mem_desc->dmamap, mem_desc->addr, mem_desc->size,
-		    mpi3mr_memaddr_cb, &mem_desc->dma_addr, 0);
+		    mpi3mr_memaddr_cb, &mem_desc->dma_addr, BUS_DMA_NOWAIT);
 
 		if (!mem_desc->addr)
 			goto out_failed;
@@ -5134,7 +5134,7 @@
 	}
 	bzero(mem_desc->addr, mem_desc->size);
 	bus_dmamap_load(mem_desc->tag, mem_desc->dmamap, mem_desc->addr, mem_desc->size,
-	    mpi3mr_memaddr_cb, &mem_desc->dma_addr, 0);
+	    mpi3mr_memaddr_cb, &mem_desc->dma_addr, BUS_DMA_NOWAIT);
 
 	if (!mem_desc->addr)
 		goto out_failed;
@@ -5163,7 +5163,7 @@
 	}
 	bzero(mem_desc->addr, mem_desc->size);
 	bus_dmamap_load(mem_desc->tag, mem_desc->dmamap, mem_desc->addr, mem_desc->size,
-	    mpi3mr_memaddr_cb, &mem_desc->dma_addr, 0);
+	    mpi3mr_memaddr_cb, &mem_desc->dma_addr, BUS_DMA_NOWAIT);
 
 	if (!mem_desc->addr)
 		goto out_failed;
diff --git a/sys/dev/mpi3mr/mpi3mr_app.c b/sys/dev/mpi3mr/mpi3mr_app.c
--- a/sys/dev/mpi3mr/mpi3mr_app.c
+++ b/sys/dev/mpi3mr/mpi3mr_app.c
@@ -358,7 +358,7 @@
 	bzero(sc->nvme_encap_prp_list, dev_pgsz);
 	bus_dmamap_load(sc->nvme_encap_prp_list_dmatag, sc->nvme_encap_prp_list_dma_dmamap,
 			sc->nvme_encap_prp_list, dev_pgsz, mpi3mr_memaddr_cb, &sc->nvme_encap_prp_list_dma,
-			0);
+			BUS_DMA_NOWAIT);
 	
 	if (!sc->nvme_encap_prp_list) {
 		printf(IOCNAME "%s:%d Cannot load ioctl NVME dma memory for size: %d\n", sc->name,
diff --git a/sys/dev/mpi3mr/mpi3mr_cam.c b/sys/dev/mpi3mr/mpi3mr_cam.c
--- a/sys/dev/mpi3mr/mpi3mr_cam.c
+++ b/sys/dev/mpi3mr/mpi3mr_cam.c
@@ -230,19 +230,15 @@
 		mtx_lock(&sc->io_lock);
 		/* Map data buffer into bus space */
 		retcode = bus_dmamap_load_ccb(sc->buffer_dmat, cm->dmamap,
-		    cm->ccb, mpi3mr_prepare_sgls, cm, 0);
+		    cm->ccb, mpi3mr_prepare_sgls, cm, BUS_DMA_NOWAIT);
 		mtx_unlock(&sc->io_lock);
 		if (retcode)
 			device_printf(sc->mpi3mr_dev, "bus_dmamap_load(): retcode = %d\n", retcode);
-		if (retcode == EINPROGRESS) {
-			device_printf(sc->mpi3mr_dev, "request load in progress\n");
-			xpt_freeze_simq(sc->cam_sc->sim, 1);
-		}
 	}
 	if (cm->error_code)
 		return cm->error_code;
 	if (retcode)
-		mpi3mr_set_ccbstatus(cm->ccb, CAM_REQ_INVALID);
+		mpi3mr_set_ccbstatus(cm->ccb, CAM_RESRC_UNAVAIL);
 
 	return (retcode);
 }
diff --git a/sys/dev/mpi3mr/mpi3mr_pci.c b/sys/dev/mpi3mr/mpi3mr_pci.c
--- a/sys/dev/mpi3mr/mpi3mr_pci.c
+++ b/sys/dev/mpi3mr/mpi3mr_pci.c
@@ -252,6 +252,7 @@
 
 static int mpi3mr_setup_resources(struct mpi3mr_softc *sc)
 {
+	bus_dma_template_t t;
 	int i;
 	device_t dev = sc->mpi3mr_dev;
 	
@@ -274,20 +275,11 @@
 	sc->mpi3mr_bhandle = rman_get_bushandle(sc->mpi3mr_regs_resource);
 
 	/* Allocate the parent DMA tag */
-	if (bus_dma_tag_create(bus_get_dma_tag(dev),  	/* parent */
-				1, 0,			/* algnmnt, boundary */
-				BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
-				BUS_SPACE_MAXADDR,	/* highaddr */
-				NULL, NULL,		/* filter, filterarg */
-				BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
-				BUS_SPACE_UNRESTRICTED,	/* nsegments */
-				BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
-                                0,			/* flags */
-                                NULL, NULL,		/* lockfunc, lockarg */
-                                &sc->mpi3mr_parent_dmat)) {
+	bus_dma_template_init(&t, bus_get_dma_tag(dev));
+	if (bus_dma_template_tag(&t, &sc->mpi3mr_parent_dmat)) {
 		mpi3mr_dprint(sc, MPI3MR_ERROR, "Cannot allocate parent DMA tag\n");
 		return (ENOMEM);
-        }
+	}
 
 	sc->max_msix_vectors = pci_msix_count(dev);