On Thu, Sep 30, 2021 at 10:33:43AM +0800, Cindy Lu wrote:
> Add new call back function in vhost-vdpa, this call back function will
> set the fb number to hardware.
>
> Signed-off-by: Cindy Lu <l...@redhat.com>
fb being what? you mean fd. said fd doing what exactly?
all this needs to be in the commit log pls.
> ---
> hw/virtio/trace-events | 2 ++
> hw/virtio/vhost-vdpa.c | 7 +++++++
> 2 files changed, 9 insertions(+)
>
> diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
> index 8ed19e9d0c..836e73d1f7 100644
> --- a/hw/virtio/trace-events
> +++ b/hw/virtio/trace-events
> @@ -52,6 +52,8 @@ vhost_vdpa_set_vring_call(void *dev, unsigned int index,
> int fd) "dev: %p index:
> vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features:
> 0x%"PRIx64
> vhost_vdpa_set_owner(void *dev) "dev: %p"
> vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr,
> uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p
> desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr:
> 0x%"PRIx64
> +vhost_vdpa_set_config_call(void *dev, int fd)"dev: %p fd: %d"
> +
>
> # virtio.c
> virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned
> out_num) "elem %p size %zd in_num %u out_num %u"
> diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
> index 4fa414feea..73764afc61 100644
> --- a/hw/virtio/vhost-vdpa.c
> +++ b/hw/virtio/vhost-vdpa.c
> @@ -622,6 +622,12 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev
> *dev,
> trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd);
> return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file);
> }
> +static int vhost_vdpa_set_config_call(struct vhost_dev *dev,
> + int fd)
> +{
> + trace_vhost_vdpa_set_config_call(dev, fd);
> + return vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG_CALL, &fd);
> +}
>
> static int vhost_vdpa_get_features(struct vhost_dev *dev,
> uint64_t *features)
> @@ -688,4 +694,5 @@ const VhostOps vdpa_ops = {
> .vhost_get_device_id = vhost_vdpa_get_device_id,
> .vhost_vq_get_addr = vhost_vdpa_vq_get_addr,
> .vhost_force_iommu = vhost_vdpa_force_iommu,
> + .vhost_set_config_call = vhost_vdpa_set_config_call,
> };
> --
> 2.21.3
