1 /*
2  * Vhost-user generic virtio device
3  *
4  * Copyright (c) 2023 Linaro Ltd
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef QEMU_VHOST_USER_BASE_H
10 #define QEMU_VHOST_USER_BASE_H
11 
12 #include "hw/virtio/vhost.h"
13 #include "hw/virtio/vhost-user.h"
14 
15 #define TYPE_VHOST_USER_BASE "vhost-user-base"
16 
17 OBJECT_DECLARE_TYPE(VHostUserBase, VHostUserBaseClass, VHOST_USER_BASE)
18 
19 struct VHostUserBase {
20     VirtIODevice parent_obj;
21 
22     /* Properties */
23     CharBackend chardev;
24     uint16_t virtio_id;
25     uint32_t num_vqs;
26     uint32_t vq_size; /* can't exceed VIRTIO_QUEUE_MAX */
27     uint32_t config_size;
28     /* State tracking */
29     VhostUserState vhost_user;
30     struct vhost_virtqueue *vhost_vq;
31     struct vhost_dev vhost_dev;
32     GPtrArray *vqs;
33     bool connected;
34 };
35 
36 /*
37  * Needed so we can use the base realize after specialisation
38  * tweaks
39  */
40 struct VHostUserBaseClass {
41     VirtioDeviceClass parent_class;
42 
43     DeviceRealize parent_realize;
44 };
45 
46 
47 #define TYPE_VHOST_USER_DEVICE "vhost-user-device"
48 
49 #endif /* QEMU_VHOST_USER_BASE_H */
50