On Fri, Oct 23, 2020 at 05:00:43PM +0800, Jason Wang wrote:
> This implements a sample get_iova_range() for the simulator which
> advertise [0, ULLONG_MAX] as the valid range.
>
> Signed-off-by: Jason Wang <jasow...@redhat.com>
Reviewed-by: Eli Cohen <e...@nvidia.com>
> ---
> drivers/vdpa/vdpa_sim/vdpa_sim.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c
> b/drivers/vdpa/vdpa_sim/vdpa_sim.c
> index 62d640327145..ff6c9fd8d879 100644
> --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
> +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
> @@ -574,6 +574,16 @@ static u32 vdpasim_get_generation(struct vdpa_device
> *vdpa)
> return vdpasim->generation;
> }
>
> +static struct vdpa_iova_range vdpasim_get_iova_range(struct vdpa_device
> *vdpa)
> +{
> + struct vdpa_iova_range range = {
> + .first = 0ULL,
> + .last = ULLONG_MAX,
> + };
> +
> + return range;
> +}
> +
> static int vdpasim_set_map(struct vdpa_device *vdpa,
> struct vhost_iotlb *iotlb)
> {
> @@ -657,6 +667,7 @@ static const struct vdpa_config_ops
> vdpasim_net_config_ops = {
> .get_config = vdpasim_get_config,
> .set_config = vdpasim_set_config,
> .get_generation = vdpasim_get_generation,
> + .get_iova_range = vdpasim_get_iova_range,
> .dma_map = vdpasim_dma_map,
> .dma_unmap = vdpasim_dma_unmap,
> .free = vdpasim_free,
> @@ -683,6 +694,7 @@ static const struct vdpa_config_ops
> vdpasim_net_batch_config_ops = {
> .get_config = vdpasim_get_config,
> .set_config = vdpasim_set_config,
> .get_generation = vdpasim_get_generation,
> + .get_iova_range = vdpasim_get_iova_range,
> .set_map = vdpasim_set_map,
> .free = vdpasim_free,
> };
> --
> 2.20.1
>
