ppc/pnv: Add a HIOMAP erase command
[qemu.git] / 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 "hw/block/block.h"
20 #include "chardev/char-fe.h"
21 #include "hw/virtio/vhost.h"
22 #include "hw/virtio/vhost-user.h"
23
24 #define TYPE_VHOST_USER_BLK "vhost-user-blk"
25 #define VHOST_USER_BLK(obj) \
26 OBJECT_CHECK(VHostUserBlk, (obj), TYPE_VHOST_USER_BLK)
27
28 #define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX
29
30 typedef 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 struct vhost_inflight *inflight;
40 VhostUserState vhost_user;
41 struct vhost_virtqueue *vhost_vqs;
42 VirtQueue **virtqs;
43 bool connected;
44 } VHostUserBlk;
45
46 #endif