/* If the capability cannot be found, assume no DMA limiting */
hdr = vfio_get_iommu_type1_info_cap(info,
VFIO_IOMMU_TYPE1_INFO_DMA_AVAIL);
- if (hdr == NULL) {
+ if (!hdr) {
return false;
}
return true;
}
+static bool vfio_get_info_iova_range(struct vfio_iommu_type1_info *info,
+ VFIOContainer *container)
+{
+ struct vfio_info_cap_header *hdr;
+ struct vfio_iommu_type1_info_cap_iova_range *cap;
+
+ hdr = vfio_get_iommu_type1_info_cap(info,
+ VFIO_IOMMU_TYPE1_INFO_CAP_IOVA_RANGE);
+ if (!hdr) {
+ return false;
+ }
+
+ cap = (void *)hdr;
+
+ for (int i = 0; i < cap->nr_iovas; i++) {
+ Range *range = g_new(Range, 1);
+
+ range_set_bounds(range, cap->iova_ranges[i].start,
+ cap->iova_ranges[i].end);
+ container->iova_ranges =
+ range_list_insert(container->iova_ranges, range);
+ }
+
+ return true;
+}
+
static void vfio_kvm_device_add_group(VFIOGroup *group)
{
Error *err = NULL;
}
}
+static void vfio_free_container(VFIOContainer *container)
+{
+ g_list_free_full(container->iova_ranges, g_free);
+ g_free(container);
+}
+
static int vfio_connect_container(VFIOGroup *group, AddressSpace *as,
Error **errp)
{
container->error = NULL;
container->dirty_pages_supported = false;
container->dma_max_mappings = 0;
+ container->iova_ranges = NULL;
QLIST_INIT(&container->giommu_list);
QLIST_INIT(&container->hostwin_list);
QLIST_INIT(&container->vrdl_list);
if (!vfio_get_info_dma_avail(info, &container->dma_max_mappings)) {
container->dma_max_mappings = 65535;
}
+
+ vfio_get_info_iova_range(info, container);
+
vfio_get_iommu_info_migration(container, info);
g_free(info);
vfio_ram_block_discard_disable(container, false);
free_container_exit:
- g_free(container);
+ vfio_free_container(container);
close_fd_exit:
close(fd);
trace_vfio_disconnect_container(container->fd);
close(container->fd);
- g_free(container);
+ vfio_free_container(container);
vfio_put_address_space(space);
}