LXR qemu/include/hw/virtio/vhost-user-blk.h

   1/*
   2 * vhost-user-blk host device
   3 * Copyright(C) 2017 Intel Corporation.
   4 *
   5 * Authors:
   6 *  Changpeng Liu <changpeng.liu@intel.com>
   7 *
   8 * Based on vhost-scsi.h, Copyright IBM, Corp. 2011
   9 *
  10 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
  11 * See the COPYING.LIB file in the top-level directory.
  12 *
  13 */
  14
  15#ifndef VHOST_USER_BLK_H
  16#define VHOST_USER_BLK_H
  17
  18#include "standard-headers/linux/virtio_blk.h"
  19#include "qemu-common.h"
  20#include "hw/qdev.h"
  21#include "hw/block/block.h"
  22#include "chardev/char-fe.h"
  23#include "hw/virtio/vhost.h"
  24#include "hw/virtio/vhost-user.h"
  25
  26#define TYPE_VHOST_USER_BLK "vhost-user-blk"
  27#define VHOST_USER_BLK(obj) \
  28        OBJECT_CHECK(VHostUserBlk, (obj), TYPE_VHOST_USER_BLK)
  29
  30typedef struct VHostUserBlk {
  31    VirtIODevice parent_obj;
  32    CharBackend chardev;
  33    int32_t bootindex;
  34    struct virtio_blk_config blkcfg;
  35    uint16_t num_queues;
  36    uint32_t queue_size;
  37    uint32_t config_wce;
  38    struct vhost_dev dev;
  39    VhostUserState *vhost_user;
  40} VHostUserBlk;
  41
  42#endif
  43