At this moment vdpa will not send memory regions bigger than 1<<63. However, actual iova range could be way more restrictive than that.
Since we can obtain the range through vdpa ioctl call, just save it from the beginning of the operation and check against it. Eugenio Pérez (3): vdpa: Skip protected ram IOMMU mappings vdpa: Add vhost_vdpa_section_end vdpa: Check for iova range at mappings changes include/hw/virtio/vhost-vdpa.h | 2 + hw/virtio/vhost-vdpa.c | 83 +++++++++++++++++++++++++--------- hw/virtio/trace-events | 1 + 3 files changed, 65 insertions(+), 21 deletions(-) -- 2.27.0
