| Message ID | 20220406034346.74409-27-xuanzhuo@linux.alibaba.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | virtio pci support VIRTIO_F_RING_RESET (refactor vring) | expand |
在 2022/4/6 上午11:43, Xuan Zhuo 写道: > Virtio MMIO support the new parameter sizes of find_vqs(). > > Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> > --- Acked-by: Jason Wang <jasowang@redhat.com> > drivers/virtio/virtio_mmio.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c > index 9d5a674bdeec..51cf51764a92 100644 > --- a/drivers/virtio/virtio_mmio.c > +++ b/drivers/virtio/virtio_mmio.c > @@ -347,7 +347,7 @@ static void vm_del_vqs(struct virtio_device *vdev) > > static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned 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; > @@ -382,8 +382,11 @@ static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned index, > 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; > @@ -484,6 +487,7 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned 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);
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 9d5a674bdeec..51cf51764a92 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -347,7 +347,7 @@ static void vm_del_vqs(struct virtio_device *vdev) static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned 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; @@ -382,8 +382,11 @@ static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned index, 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; @@ -484,6 +487,7 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned 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);
Virtio MMIO support the new parameter sizes of find_vqs(). Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> --- drivers/virtio/virtio_mmio.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)