| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 |
- #ifndef VHOST_H
- #define VHOST_H
- #include "hw/hw.h"
- #include "hw/virtio.h"
- /* Generic structures common for any vhost based device. */
- struct vhost_virtqueue {
- int kick;
- int call;
- void *desc;
- void *avail;
- void *used;
- int num;
- unsigned long long used_phys;
- unsigned used_size;
- void *ring;
- unsigned long long ring_phys;
- unsigned ring_size;
- };
- typedef unsigned long vhost_log_chunk_t;
- #define VHOST_LOG_PAGE 0x1000
- #define VHOST_LOG_BITS (8 * sizeof(vhost_log_chunk_t))
- #define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS)
- struct vhost_memory;
- struct vhost_dev {
- CPUPhysMemoryClient client;
- int control;
- struct vhost_memory *mem;
- struct vhost_virtqueue *vqs;
- int nvqs;
- unsigned long long features;
- unsigned long long acked_features;
- unsigned long long backend_features;
- bool started;
- bool log_enabled;
- vhost_log_chunk_t *log;
- unsigned long long log_size;
- bool force;
- };
- int vhost_dev_init(struct vhost_dev *hdev, int devfd, bool force);
- void vhost_dev_cleanup(struct vhost_dev *hdev);
- bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev);
- int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev);
- void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev);
- #endif
|
