Commit a10fba03 authored by Xuan Zhuo's avatar Xuan Zhuo Committed by Michael S. Tsirkin
Browse files

virtio: find_vqs() add arg sizes 



find_vqs() adds a new parameter sizes to specify the size of each vq
vring.

NULL as sizes means that all queues in find_vqs() use the maximum size.
A value in the array is 0, which means that the corresponding queue uses
the maximum size.

In the split scenario, the meaning of size is the largest size, because
it may be limited by memory, the virtio core will try a smaller size.
And the size is power of 2.

Signed-off-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-34-xuanzhuo@linux.alibaba.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 04ca0b0b

arch/um/drivers/virtio_uml.c

+1 −1
Original line number Diff line number Diff line
@@ -1011,7 +1011,7 @@ static struct virtqueue *vu_setup_vq(struct virtio_device *vdev, 


static int vu_find_vqs(struct virtio_device *vdev, unsigned nvqs,

		       struct virtqueue *vqs[], vq_callback_t *callbacks[],

		       const char * const names[], const bool *ctx,

		       const char * const names[], u32 sizes[], const bool *ctx,

		       struct irq_affinity *desc)

{

	struct virtio_uml_device *vu_dev = to_virtio_uml_device(vdev);

drivers/platform/mellanox/mlxbf-tmfifo.c

+1 −0
Original line number Diff line number Diff line
@@ -928,6 +928,7 @@ static int mlxbf_tmfifo_virtio_find_vqs(struct virtio_device *vdev, 
					struct virtqueue *vqs[],

					vq_callback_t *callbacks[],

					const char * const names[],

					u32 sizes[],

					const bool *ctx,

					struct irq_affinity *desc)

{

drivers/remoteproc/remoteproc_virtio.c

+1 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned int nvqs, 
				 struct virtqueue *vqs[],

				 vq_callback_t *callbacks[],

				 const char * const names[],

				 u32 sizes[],

				 const bool * ctx,

				 struct irq_affinity *desc)

{

drivers/s390/virtio/virtio_ccw.c

+1 −0
Original line number Diff line number Diff line
@@ -635,6 +635,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs, 
			       struct virtqueue *vqs[],

			       vq_callback_t *callbacks[],

			       const char * const names[],

			       u32 sizes[],

			       const bool *ctx,

			       struct irq_affinity *desc)

{

drivers/virtio/virtio_mmio.c

+1 −0
Original line number Diff line number Diff line
@@ -474,6 +474,7 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned int nvqs, 
		       struct virtqueue *vqs[],

		       vq_callback_t *callbacks[],

		       const char * const names[],

		       u32 sizes[],

		       const bool *ctx,

		       struct irq_affinity *desc)

{