virtio_pmem.h (882B)
- /* 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 _LINUX_VIRTIO_PMEM_H
- #define _LINUX_VIRTIO_PMEM_H
- #include <linux/types.h>
- #include <linux/virtio_ids.h>
- #include <linux/virtio_config.h>
- /* Feature bits */
- /* guest physical address range will be indicated as shared memory region 0 */
- #define VIRTIO_PMEM_F_SHMEM_REGION 0
- /* shmid of the shared memory region corresponding to the pmem */
- #define VIRTIO_PMEM_SHMEM_REGION_ID 0
- 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