Add NVME IO type.

sys/cam/cam_ccb.h

@@ -204,6 +204,9 @@ typedef enum {
 	XPT_SMP_IO		= 0x1b | XPT_FC_DEV_QUEUED,
 				/* Serial Management Protocol */
 
+	XPT_NVME_IO		= 0x1c | XPT_FC_DEV_QUEUED,
+				/* Execiute the requestred NVMe I/O operation */
+
 	XPT_SCAN_TGT		= 0x1E | XPT_FC_QUEUED | XPT_FC_USER_CCB
 				       | XPT_FC_XPT_ONLY,
 				/* Scan Target */

sys/cam/cam_xpt.c

@@ -5361,6 +5361,7 @@ static struct kv map[] = {
 	{ XPT_ATA_IO, "XPT_ATA_IO" },
 	{ XPT_GET_SIM_KNOB, "XPT_GET_SIM_KNOB" },
 	{ XPT_SET_SIM_KNOB, "XPT_SET_SIM_KNOB" },
+	{ XPT_NVME_IO, "XPT_NVME_IO" },
 	{ XPT_SMP_IO, "XPT_SMP_IO" },
 	{ XPT_SCAN_TGT, "XPT_SCAN_TGT" },
 	{ XPT_ENG_INQ, "XPT_ENG_INQ" },