7 /* Generic structures common for any vhost based device. */
8 struct vhost_virtqueue {
15 unsigned long long used_phys;
18 unsigned long long ring_phys;
22 typedef unsigned long vhost_log_chunk_t;
23 #define VHOST_LOG_PAGE 0x1000
24 #define VHOST_LOG_BITS (8 * sizeof(vhost_log_chunk_t))
25 #define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS)
29 CPUPhysMemoryClient client;
31 struct vhost_memory *mem;
32 struct vhost_virtqueue *vqs;
34 unsigned long long features;
35 unsigned long long acked_features;
36 unsigned long long backend_features;
39 vhost_log_chunk_t *log;
40 unsigned long long log_size;
44 int vhost_dev_init(struct vhost_dev *hdev, int devfd, bool force);
45 void vhost_dev_cleanup(struct vhost_dev *hdev);
46 bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev);
47 int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev);
48 void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev);
49 int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev);
50 void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev);