LXR qemu/include/hw/virtio/virtio-pmem.h

   1/*
   2 * Virtio PMEM device
   3 *
   4 * Copyright (C) 2018-2019 Red Hat, Inc.
   5 *
   6 * Authors:
   7 *  Pankaj Gupta <pagupta@redhat.com>
   8 *  David Hildenbrand <david@redhat.com>
   9 *
  10 * This work is licensed under the terms of the GNU GPL, version 2.
  11 * See the COPYING file in the top-level directory.
  12 */
  13
  14#ifndef HW_VIRTIO_PMEM_H
  15#define HW_VIRTIO_PMEM_H
  16
  17#include "hw/virtio/virtio.h"
  18#include "qapi/qapi-types-machine.h"
  19#include "qom/object.h"
  20
  21#define TYPE_VIRTIO_PMEM "virtio-pmem"
  22
  23OBJECT_DECLARE_TYPE(VirtIOPMEM, VirtIOPMEMClass,
  24                    VIRTIO_PMEM)
  25
  26#define VIRTIO_PMEM_ADDR_PROP "memaddr"
  27#define VIRTIO_PMEM_MEMDEV_PROP "memdev"
  28
  29struct VirtIOPMEM {
  30    VirtIODevice parent_obj;
  31
  32    VirtQueue *rq_vq;
  33    uint64_t start;
  34    HostMemoryBackend *memdev;
  35};
  36
  37struct VirtIOPMEMClass {
  38    /* private */
  39    VirtIODevice parent;
  40
  41    /* public */
  42    void (*fill_device_info)(const VirtIOPMEM *pmem, VirtioPMEMDeviceInfo *vi);
  43    MemoryRegion *(*get_memory_region)(VirtIOPMEM *pmem, Error **errp);
  44};
  45
  46#endif
  47