block/export: Add query-block-exports
[qemu.git] / include / hw / virtio / vhost-user-fs.h
1 /*
2 * Vhost-user filesystem virtio device
3 *
4 * Copyright 2018-2019 Red Hat, Inc.
5 *
6 * Authors:
7 * Stefan Hajnoczi <stefanha@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * (at your option) any later version. See the COPYING file in the
11 * top-level directory.
12 */
13
14 #ifndef _QEMU_VHOST_USER_FS_H
15 #define _QEMU_VHOST_USER_FS_H
16
17 #include "hw/virtio/virtio.h"
18 #include "hw/virtio/vhost.h"
19 #include "hw/virtio/vhost-user.h"
20 #include "chardev/char-fe.h"
21 #include "qom/object.h"
22
23 #define TYPE_VHOST_USER_FS "vhost-user-fs-device"
24 OBJECT_DECLARE_SIMPLE_TYPE(VHostUserFS, VHOST_USER_FS)
25
26 typedef struct {
27 CharBackend chardev;
28 char *tag;
29 uint16_t num_request_queues;
30 uint16_t queue_size;
31 } VHostUserFSConf;
32
33 struct VHostUserFS {
34 /*< private >*/
35 VirtIODevice parent;
36 VHostUserFSConf conf;
37 struct vhost_virtqueue *vhost_vqs;
38 struct vhost_dev vhost_dev;
39 VhostUserState vhost_user;
40 VirtQueue **req_vqs;
41 VirtQueue *hiprio_vq;
42
43 /*< public >*/
44 };
45
46 #endif /* _QEMU_VHOST_USER_FS_H */