244 	int (*set_vq_address)(struct vdpa_device *vdev,
247 	void (*set_vq_num)(struct vdpa_device *vdev, u16 idx, u32 num);
248 	void (*kick_vq)(struct vdpa_device *vdev, u16 idx);
249 	void (*set_vq_cb)(struct vdpa_device *vdev, u16 idx,
251 	void (*set_vq_ready)(struct vdpa_device *vdev, u16 idx, bool ready);
252 	bool (*get_vq_ready)(struct vdpa_device *vdev, u16 idx);
253 	int (*set_vq_state)(struct vdpa_device *vdev, u16 idx,
255 	int (*get_vq_state)(struct vdpa_device *vdev, u16 idx,
258 	(*get_vq_notification)(struct vdpa_device *vdev, u16 idx);
263 	u32 (*get_vq_align)(struct vdpa_device *vdev);
264 	u64 (*get_features)(struct vdpa_device *vdev);
265 	int (*set_features)(struct vdpa_device *vdev, u64 features);
266 	void (*set_config_cb)(struct vdpa_device *vdev,
268 	u16 (*get_vq_num_max)(struct vdpa_device *vdev);
269 	u32 (*get_device_id)(struct vdpa_device *vdev);
270 	u32 (*get_vendor_id)(struct vdpa_device *vdev);
271 	u8 (*get_status)(struct vdpa_device *vdev);
272 	void (*set_status)(struct vdpa_device *vdev, u8 status);
273 	int (*reset)(struct vdpa_device *vdev);
274 	size_t (*get_config_size)(struct vdpa_device *vdev);
275 	void (*get_config)(struct vdpa_device *vdev, unsigned int offset,
277 	void (*set_config)(struct vdpa_device *vdev, unsigned int offset,
279 	u32 (*get_generation)(struct vdpa_device *vdev);
280 	struct vdpa_iova_range (*get_iova_range)(struct vdpa_device *vdev);
283 	int (*set_map)(struct vdpa_device *vdev, struct vhost_iotlb *iotlb);
284 	int (*dma_map)(struct vdpa_device *vdev, u64 iova, u64 size,
286 	int (*dma_unmap)(struct vdpa_device *vdev, u64 iova, u64 size);
289 	void (*free)(struct vdpa_device *vdev);
317 int vdpa_register_device(struct vdpa_device *vdev, int nvqs);
318 void vdpa_unregister_device(struct vdpa_device *vdev);
320 int _vdpa_register_device(struct vdpa_device *vdev, int nvqs);
321 void _vdpa_unregister_device(struct vdpa_device *vdev);
331 	int (*probe)(struct vdpa_device *vdev);
332 	void (*remove)(struct vdpa_device *vdev);
354 static inline void *vdpa_get_drvdata(const struct vdpa_device *vdev)  in vdpa_get_drvdata()  argument
356 	return dev_get_drvdata(&vdev->dev);  in vdpa_get_drvdata()
359 static inline void vdpa_set_drvdata(struct vdpa_device *vdev, void *data)  in vdpa_set_drvdata()  argument
361 	dev_set_drvdata(&vdev->dev, data);  in vdpa_set_drvdata()
364 static inline struct device *vdpa_get_dma_dev(struct vdpa_device *vdev)  in vdpa_get_dma_dev()  argument
366 	return vdev->dma_dev;  in vdpa_get_dma_dev()
369 static inline int vdpa_reset(struct vdpa_device *vdev)  in vdpa_reset()  argument
371 	const struct vdpa_config_ops *ops = vdev->config;  in vdpa_reset()
373 	vdev->features_valid = false;  in vdpa_reset()
374 	return ops->reset(vdev);  in vdpa_reset()
377 static inline int vdpa_set_features(struct vdpa_device *vdev, u64 features)  in vdpa_set_features()  argument
379 	const struct vdpa_config_ops *ops = vdev->config;  in vdpa_set_features()
381 	vdev->features_valid = true;  in vdpa_set_features()
382 	return ops->set_features(vdev, features);  in vdpa_set_features()
385 static inline void vdpa_get_config(struct vdpa_device *vdev,  in vdpa_get_config()  argument
389 	const struct vdpa_config_ops *ops = vdev->config;  in vdpa_get_config()
395 	if (!vdev->features_valid)  in vdpa_get_config()
396 		vdpa_set_features(vdev, 0);  in vdpa_get_config()
397 	ops->get_config(vdev, offset, buf, len);  in vdpa_get_config()