nvmet: implement crto property

This property is required for nvme 2.1. The target only supports ready
with media, so this is just the same value as CAP.TO.

Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Matias Bjørling <[email protected]>
Signed-off-by: Keith Busch <[email protected]>

Author: keithbusch

drivers/nvme/target/fabrics-cmd.c

@@ -64,6 +64,9 @@ static void nvmet_execute_prop_get(struct nvmet_req *req)
 		case NVME_REG_CSTS:
 			val = ctrl->csts;
 			break;
+		case NVME_REG_CRTO:
+			val = NVME_CAP_TIMEOUT(ctrl->csts);
+			break;
 		default:
 			status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 			break;