290 	int (*set_vq_address)(struct vdpa_device *vdev,
293 	void (*set_vq_num)(struct vdpa_device *vdev, u16 idx, u32 num);
294 	void (*kick_vq)(struct vdpa_device *vdev, u16 idx);
295 	void (*set_vq_cb)(struct vdpa_device *vdev, u16 idx,
297 	void (*set_vq_ready)(struct vdpa_device *vdev, u16 idx, bool ready);
298 	bool (*get_vq_ready)(struct vdpa_device *vdev, u16 idx);
299 	int (*set_vq_state)(struct vdpa_device *vdev, u16 idx,
301 	int (*get_vq_state)(struct vdpa_device *vdev, u16 idx,
303 	int (*get_vendor_vq_stats)(struct vdpa_device *vdev, u16 idx,
307 	(*get_vq_notification)(struct vdpa_device *vdev, u16 idx);
309 	int (*get_vq_irq)(struct vdpa_device *vdev, u16 idx);
312 	u32 (*get_vq_align)(struct vdpa_device *vdev);
313 	u32 (*get_vq_group)(struct vdpa_device *vdev, u16 idx);
314 	u64 (*get_device_features)(struct vdpa_device *vdev);
315 	int (*set_driver_features)(struct vdpa_device *vdev, u64 features);
316 	u64 (*get_driver_features)(struct vdpa_device *vdev);
317 	void (*set_config_cb)(struct vdpa_device *vdev,
319 	u16 (*get_vq_num_max)(struct vdpa_device *vdev);
320 	u16 (*get_vq_num_min)(struct vdpa_device *vdev);
321 	u32 (*get_device_id)(struct vdpa_device *vdev);
322 	u32 (*get_vendor_id)(struct vdpa_device *vdev);
323 	u8 (*get_status)(struct vdpa_device *vdev);
324 	void (*set_status)(struct vdpa_device *vdev, u8 status);
325 	int (*reset)(struct vdpa_device *vdev);
326 	int (*suspend)(struct vdpa_device *vdev);
327 	size_t (*get_config_size)(struct vdpa_device *vdev);
328 	void (*get_config)(struct vdpa_device *vdev, unsigned int offset,
330 	void (*set_config)(struct vdpa_device *vdev, unsigned int offset,
332 	u32 (*get_generation)(struct vdpa_device *vdev);
333 	struct vdpa_iova_range (*get_iova_range)(struct vdpa_device *vdev);
336 	int (*set_map)(struct vdpa_device *vdev, unsigned int asid,
338 	int (*dma_map)(struct vdpa_device *vdev, unsigned int asid,
340 	int (*dma_unmap)(struct vdpa_device *vdev, unsigned int asid,
342 	int (*set_group_asid)(struct vdpa_device *vdev, unsigned int group,
346 	void (*free)(struct vdpa_device *vdev);
378 int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs);
379 void vdpa_unregister_device(struct vdpa_device *vdev);
381 int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs);
382 void _vdpa_unregister_device(struct vdpa_device *vdev);
392 	int (*probe)(struct vdpa_device *vdev);
393 	void (*remove)(struct vdpa_device *vdev);
415 static inline void *vdpa_get_drvdata(const struct vdpa_device *vdev)  in vdpa_get_drvdata()  argument
417 	return dev_get_drvdata(&vdev->dev);  in vdpa_get_drvdata()
420 static inline void vdpa_set_drvdata(struct vdpa_device *vdev, void *data)  in vdpa_set_drvdata()  argument
422 	dev_set_drvdata(&vdev->dev, data);  in vdpa_set_drvdata()
425 static inline struct device *vdpa_get_dma_dev(struct vdpa_device *vdev)  in vdpa_get_dma_dev()  argument
427 	return vdev->dma_dev;  in vdpa_get_dma_dev()
430 static inline int vdpa_reset(struct vdpa_device *vdev)  in vdpa_reset()  argument
432 	const struct vdpa_config_ops *ops = vdev->config;  in vdpa_reset()
435 	down_write(&vdev->cf_lock);  in vdpa_reset()
436 	vdev->features_valid = false;  in vdpa_reset()
437 	ret = ops->reset(vdev);  in vdpa_reset()
438 	up_write(&vdev->cf_lock);  in vdpa_reset()
442 static inline int vdpa_set_features_unlocked(struct vdpa_device *vdev, u64 features)  in vdpa_set_features_unlocked()  argument
444 	const struct vdpa_config_ops *ops = vdev->config;  in vdpa_set_features_unlocked()
447 	vdev->features_valid = true;  in vdpa_set_features_unlocked()
448 	ret = ops->set_driver_features(vdev, features);  in vdpa_set_features_unlocked()
453 static inline int vdpa_set_features(struct vdpa_device *vdev, u64 features)  in vdpa_set_features()  argument
457 	down_write(&vdev->cf_lock);  in vdpa_set_features()
458 	ret = vdpa_set_features_unlocked(vdev, features);  in vdpa_set_features()
459 	up_write(&vdev->cf_lock);  in vdpa_set_features()
464 void vdpa_get_config(struct vdpa_device *vdev, unsigned int offset,
468 void vdpa_set_status(struct vdpa_device *vdev, u8 status);