diff options
| author | Xuan Zhuo <xuanzhuo@linux.alibaba.com> | 2022-08-01 08:38:55 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-08-11 10:06:41 +0200 |
| commit | fbed86abba6e0472d98079790e58060e4332608a (patch) | |
| tree | 2a1383dcdd2b12e3c2f0299b50e4652fb1034c1d /drivers/virtio | |
| parent | virtio_pci: support the arg sizes of find_vqs() (diff) | |
| download | linux-fbed86abba6e0472d98079790e58060e4332608a.tar.xz linux-fbed86abba6e0472d98079790e58060e4332608a.zip | |
virtio_mmio: support the arg sizes of find_vqs()
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>
Message-Id: <20220801063902.129329-36-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_mmio.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index dfcecfd7aba1..c492a57531c6 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -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); |