|  | /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */ | 
|  | /* | 
|  | * Definitions for virtio-pmem devices. | 
|  | * | 
|  | * Copyright (C) 2019 Red Hat, Inc. | 
|  | * | 
|  | * Author(s): Pankaj Gupta <pagupta@redhat.com> | 
|  | */ | 
|  |  | 
|  | #ifndef _UAPI_LINUX_VIRTIO_PMEM_H | 
|  | #define _UAPI_LINUX_VIRTIO_PMEM_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/virtio_ids.h> | 
|  | #include <linux/virtio_config.h> | 
|  |  | 
|  | struct virtio_pmem_config { | 
|  | __le64 start; | 
|  | __le64 size; | 
|  | }; | 
|  |  | 
|  | #define VIRTIO_PMEM_REQ_TYPE_FLUSH      0 | 
|  |  | 
|  | struct virtio_pmem_resp { | 
|  | /* Host return status corresponding to flush request */ | 
|  | __le32 ret; | 
|  | }; | 
|  |  | 
|  | struct virtio_pmem_req { | 
|  | /* command type */ | 
|  | __le32 type; | 
|  | }; | 
|  |  | 
|  | #endif |