Commit fbed86ab authored by Xuan Zhuo's avatar Xuan Zhuo Committed by Michael S. Tsirkin
Browse files

virtio_mmio: support the arg sizes of find_vqs() 



Virtio MMIO support the new parameter sizes of find_vqs().

Signed-off-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-36-xuanzhuo@linux.alibaba.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent cdb44806

drivers/virtio/virtio_mmio.c

+6 −2
Original line number Diff line number Diff line
@@ -360,7 +360,7 @@ static void vm_synchronize_cbs(struct virtio_device *vdev) 


static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned int index,

				  void (*callback)(struct virtqueue *vq),

				  const char *name, bool ctx)

				  const char *name, u32 size, bool ctx)

{

	struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev);

	struct virtio_mmio_vq_info *info;
@@ -395,8 +395,11 @@ static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned int in 
		goto error_new_virtqueue;

	}



	if (!size || size > num)

		size = num;



	/* Create the vring */

	vq = vring_create_virtqueue(index, num, VIRTIO_MMIO_VRING_ALIGN, vdev,

	vq = vring_create_virtqueue(index, size, VIRTIO_MMIO_VRING_ALIGN, vdev,

				 true, true, ctx, vm_notify, callback, name);

	if (!vq) {

		err = -ENOMEM;
@@ -500,6 +503,7 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned int nvqs, 
		}



		vqs[i] = vm_setup_vq(vdev, queue_idx++, callbacks[i], names[i],

				     sizes ? sizes[i] : 0,

				     ctx ? ctx[i] : false);

		if (IS_ERR(vqs[i])) {

			vm_del_vqs(vdev);