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| author | Bo Liu <liubo03@inspur.com> | 2022-08-10 11:51:51 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-08-11 11:26:09 +0300 |
| commit | 99e8927d8a4da8eb8a8a5904dc13a3156be8e7c0 (patch) | |
| tree | df1609cf2720a8d9745717e750b0f9bf02168076 /drivers/virtio | |
| parent | ebe6a354fa7e0a7d5b581da31ad031b19d8693f9 (diff) | |
| download | linux-99e8927d8a4da8eb8a8a5904dc13a3156be8e7c0.tar.xz | |
virtio_vdpa: support the arg sizes of find_vqs()
Virtio vdpa support the new parameter sizes of find_vqs().
Signed-off-by: Bo Liu <liubo03@inspur.com>
Message-Id: <20220810085151.7251-1-liubo03@inspur.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_vdpa.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 832d2c5b1b19..9bc4d110b800 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -131,7 +131,7 @@ static irqreturn_t virtio_vdpa_virtqueue_cb(void *private) static struct virtqueue * virtio_vdpa_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_vdpa_device *vd_dev = to_virtio_vdpa_device(vdev); struct vdpa_device *vdpa = vd_get_vdpa(vdev); @@ -168,14 +168,17 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index, goto error_new_virtqueue; } + if (!size || size > max_num) + size = max_num; + if (ops->get_vq_num_min) min_num = ops->get_vq_num_min(vdpa); - may_reduce_num = (max_num == min_num) ? false : true; + may_reduce_num = (size == min_num) ? false : true; /* Create the vring */ align = ops->get_vq_align(vdpa); - vq = vring_create_virtqueue(index, max_num, align, vdev, + vq = vring_create_virtqueue(index, size, align, vdev, true, may_reduce_num, ctx, virtio_vdpa_notify, callback, name); if (!vq) { @@ -285,9 +288,9 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, continue; } - vqs[i] = virtio_vdpa_setup_vq(vdev, queue_idx++, - callbacks[i], names[i], ctx ? - ctx[i] : false); + vqs[i] = virtio_vdpa_setup_vq(vdev, queue_idx++, callbacks[i], + names[i], sizes ? sizes[i] : 0, + ctx ? ctx[i] : false); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); goto err_setup_vq; |