48 static struct rproc_vdev *vdev_to_rvdev(struct virtio_device *vdev)  in vdev_to_rvdev()  argument
52 	pdev = container_of(vdev->dev.parent, struct platform_device, dev);  in vdev_to_rvdev()
57 static  struct rproc *vdev_to_rproc(struct virtio_device *vdev)  in vdev_to_rproc()  argument
59 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in vdev_to_rproc()
103 static struct virtqueue *rp_find_vq(struct virtio_device *vdev,  in rp_find_vq()  argument
108 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rp_find_vq()
109 	struct rproc *rproc = vdev_to_rproc(vdev);  in rp_find_vq()
126 	mem = rproc_find_carveout_by_name(rproc, "vdev%dvring%d", rvdev->index,  in rp_find_vq()
146 	vq = vring_new_virtqueue(id, num, rvring->align, vdev, false, ctx,  in rp_find_vq()
166 static void __rproc_virtio_del_vqs(struct virtio_device *vdev)  in __rproc_virtio_del_vqs()  argument
171 	list_for_each_entry_safe(vq, n, &vdev->vqs, list) {  in __rproc_virtio_del_vqs()
178 static void rproc_virtio_del_vqs(struct virtio_device *vdev)  in rproc_virtio_del_vqs()  argument
180 	__rproc_virtio_del_vqs(vdev);  in rproc_virtio_del_vqs()
183 static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned int nvqs,  in rproc_virtio_find_vqs()  argument
198 		vqs[i] = rp_find_vq(vdev, queue_idx++, vqi->callback,  in rproc_virtio_find_vqs()
209 	__rproc_virtio_del_vqs(vdev);  in rproc_virtio_find_vqs()
213 static u8 rproc_virtio_get_status(struct virtio_device *vdev)  in rproc_virtio_get_status()  argument
215 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_get_status()
223 static void rproc_virtio_set_status(struct virtio_device *vdev, u8 status)  in rproc_virtio_set_status()  argument
225 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_set_status()
231 	dev_dbg(&vdev->dev, "status: %d\n", status);  in rproc_virtio_set_status()
234 static void rproc_virtio_reset(struct virtio_device *vdev)  in rproc_virtio_reset()  argument
236 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_reset()
242 	dev_dbg(&vdev->dev, "reset !\n");  in rproc_virtio_reset()
245 /* provide the vdev features as retrieved from the firmware */
246 static u64 rproc_virtio_get_features(struct virtio_device *vdev)  in rproc_virtio_get_features()  argument
248 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_get_features()
256 static void rproc_transport_features(struct virtio_device *vdev)  in rproc_transport_features()  argument
263 	__virtio_clear_bit(vdev, VIRTIO_F_RING_PACKED);  in rproc_transport_features()
266 static int rproc_virtio_finalize_features(struct virtio_device *vdev)  in rproc_virtio_finalize_features()  argument
268 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_finalize_features()
274 	vring_transport_features(vdev);  in rproc_virtio_finalize_features()
277 	rproc_transport_features(vdev);  in rproc_virtio_finalize_features()
280 	BUG_ON((u32)vdev->features != vdev->features);  in rproc_virtio_finalize_features()
283 	 * Remember the finalized features of our vdev, and provide it  in rproc_virtio_finalize_features()
286 	rsc->gfeatures = vdev->features;  in rproc_virtio_finalize_features()
291 static void rproc_virtio_get(struct virtio_device *vdev, unsigned int offset,  in rproc_virtio_get()  argument
294 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_get()
302 		dev_err(&vdev->dev, "rproc_virtio_get: access out of bounds\n");  in rproc_virtio_get()
309 static void rproc_virtio_set(struct virtio_device *vdev, unsigned int offset,  in rproc_virtio_set()  argument
312 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_set()
320 		dev_err(&vdev->dev, "rproc_virtio_set: access out of bounds\n");  in rproc_virtio_set()
340  * This function is called whenever vdev is released, and is responsible
341  * to decrement the remote processor's refcount which was taken when vdev was
349 	struct virtio_device *vdev = dev_to_virtio(dev);  in rproc_virtio_dev_release()  local
350 	struct rproc_vdev *rvdev = vdev_to_rvdev(vdev);  in rproc_virtio_dev_release()
352 	kfree(vdev);  in rproc_virtio_dev_release()
362  * @rvdev: the remote vdev
365  * This function registers a virtio device. This vdev's partent is
374 	struct virtio_device *vdev;  in rproc_add_virtio_dev()  local
384 	/* Try to find dedicated vdev buffer carveout */  in rproc_add_virtio_dev()
385 	mem = rproc_find_carveout_by_name(rproc, "vdev%dbuffer", rvdev->index);  in rproc_add_virtio_dev()
392 			/* Associate reserved memory to vdev device */  in rproc_add_virtio_dev()
401 				dev_warn(dev, "vdev %d buffer already mapped\n",  in rproc_add_virtio_dev()
409 			/* Associate vdev buffer memory pool to vdev subdev */  in rproc_add_virtio_dev()
433 	vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);  in rproc_add_virtio_dev()
434 	if (!vdev) {  in rproc_add_virtio_dev()
438 	vdev->id.device	= id,  in rproc_add_virtio_dev()
439 	vdev->config = &rproc_virtio_config_ops,  in rproc_add_virtio_dev()
440 	vdev->dev.parent = dev;  in rproc_add_virtio_dev()
441 	vdev->dev.release = rproc_virtio_dev_release;  in rproc_add_virtio_dev()
443 	/* Reference the vdev and vring allocations */  in rproc_add_virtio_dev()
446 	ret = register_virtio_device(vdev);  in rproc_add_virtio_dev()
448 		put_device(&vdev->dev);  in rproc_add_virtio_dev()
449 		dev_err(dev, "failed to register vdev: %d\n", ret);  in rproc_add_virtio_dev()
453 	dev_info(dev, "registered %s (type %d)\n", dev_name(&vdev->dev), id);  in rproc_add_virtio_dev()
470 	struct virtio_device *vdev = dev_to_virtio(dev);  in rproc_remove_virtio_dev()  local
472 	unregister_virtio_device(vdev);  in rproc_remove_virtio_dev()
491 		dev_warn(dev, "can't remove vdev child device: %d\n", ret);  in rproc_vdev_do_stop()
558 	 * here, because the platform device or the vdev device will indirectly  in rproc_virtio_probe()