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vdpa_sim: implement get_iova_range() 

This implements a sample get_iova_range() for the simulator which
advertise [0, ULLONG_MAX] as the valid range.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20201023090043.14430-4-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2020-10-23 17:00:43 +08:00 committed by Michael S. Tsirkin
parent 1b48dc03e5
commit 70a62fce26
1 changed files with 12 additions and 0 deletions
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12
drivers/vdpa/vdpa_sim/vdpa_sim.c
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@ -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,
};