From: Zhenzhong Duan <zhenzhong.d...@intel.com> Suggested-by: Cédric Le Goater <c...@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com> Reviewed-by: Eric Auger <eric.au...@redhat.com> Reviewed-by: Michael S. Tsirkin <m...@redhat.com> --- hw/vfio/container.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 2f62c13214412618b412240b61efcbe1b1c79ed5..99beeba422ebfe49caed4fcd57afe5514dea8b39 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1147,11 +1147,26 @@ static bool hiod_legacy_vfio_realize(HostIOMMUDevice *hiod, void *opaque, return true; } +static int hiod_legacy_vfio_get_cap(HostIOMMUDevice *hiod, int cap, + Error **errp) +{ + HostIOMMUDeviceCaps *caps = &hiod->caps; + + switch (cap) { + case HOST_IOMMU_DEVICE_CAP_AW_BITS: + return caps->aw_bits; + default: + error_setg(errp, "%s: unsupported capability %x", hiod->name, cap); + return -EINVAL; + } +} + static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc); hioc->realize = hiod_legacy_vfio_realize; + hioc->get_cap = hiod_legacy_vfio_get_cap; }; static const TypeInfo types[] = { -- 2.45.2