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| author |   Jason Wang <jasowang@redhat.com> | 2020-10-23 17:00:43 +0800 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2020-10-23 11:55:28 -0400 |
| commit | 70a62fce262854c4aabaa47e46e82fce9f3f3938 (patch) | |
| tree | 10727997223c68d3266b39b6fe29ffada3db13cd /drivers/vdpa | |
| parent | vhost: vdpa: report iova range (diff) | |
| download | linux-dev-70a62fce262854c4aabaa47e46e82fce9f3f3938.tar.xz linux-dev-70a62fce262854c4aabaa47e46e82fce9f3f3938.zip | |
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>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 12 |
1 files changed, 12 insertions, 0 deletions
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, }; |