8 /* Generic structures common for any vhost based device. */
9 struct vhost_virtqueue {
16 unsigned long long used_phys;
19 unsigned long long ring_phys;
23 typedef unsigned long vhost_log_chunk_t;
24 #define VHOST_LOG_PAGE 0x1000
25 #define VHOST_LOG_BITS (8 * sizeof(vhost_log_chunk_t))
26 #define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS)
30 MemoryListener memory_listener;
32 struct vhost_memory *mem;
34 MemoryRegionSection *mem_sections;
35 struct vhost_virtqueue *vqs;
37 unsigned long long features;
38 unsigned long long acked_features;
39 unsigned long long backend_features;
42 vhost_log_chunk_t *log;
43 unsigned long long log_size;
47 int vhost_dev_init(struct vhost_dev *hdev, int devfd, const char *devpath,
49 void vhost_dev_cleanup(struct vhost_dev *hdev);
50 bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev);
51 int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev);
52 void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev);
53 int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev);
54 void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev);