1 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */ 2 /* 3 * Definitions for virtio-pmem devices. 4 * 5 * Copyright (C) 2019 Red Hat, Inc. 6 * 7 * Author(s): Pankaj Gupta <pagupta@redhat.com> 8 */ 9 10 #ifndef _UAPI_LINUX_VIRTIO_PMEM_H 11 #define _UAPI_LINUX_VIRTIO_PMEM_H 12 13 #include <linux/types.h> 14 #include <linux/virtio_ids.h> 15 #include <linux/virtio_config.h> 16 17 struct virtio_pmem_config { 18 __u64 start; 19 __u64 size; 20 }; 21 22 #define VIRTIO_PMEM_REQ_TYPE_FLUSH 0 23 24 struct virtio_pmem_resp { 25 /* Host return status corresponding to flush request */ 26 __le32 ret; 27 }; 28 29 struct virtio_pmem_req { 30 /* command type */ 31 __le32 type; 32 }; 33 34 #endif 35