335 static void vfio_kvm_device_add_group(VFIOGroup *group)  in vfio_kvm_device_add_group()  argument
339     if (vfio_kvm_device_add_fd(group->fd, &err)) {  in vfio_kvm_device_add_group()
340         error_reportf_err(err, "group ID %d: ", group->groupid);  in vfio_kvm_device_add_group()
344 static void vfio_kvm_device_del_group(VFIOGroup *group)  in vfio_kvm_device_del_group()  argument
348     if (vfio_kvm_device_del_fd(group->fd, &err)) {  in vfio_kvm_device_del_group()
349         error_reportf_err(err, "group ID %d: ", group->groupid);  in vfio_kvm_device_del_group()
417 static VFIOContainer *vfio_create_container(int fd, VFIOGroup *group,  in vfio_create_container()  argument
429     if (!vfio_set_iommu(fd, group->fd, &iommu_type, errp)) {  in vfio_create_container()
540 static bool vfio_connect_container(VFIOGroup *group, AddressSpace *as,  in vfio_connect_container()  argument
584         if (!ioctl(group->fd, VFIO_GROUP_SET_CONTAINER, &container->fd)) {  in vfio_connect_container()
589                 if (ioctl(group->fd, VFIO_GROUP_UNSET_CONTAINER,  in vfio_connect_container()
592                                  " container", group->groupid);  in vfio_connect_container()
596             group->container = container;  in vfio_connect_container()
597             QLIST_INSERT_HEAD(&container->group_list, group, container_next);  in vfio_connect_container()
598             vfio_kvm_device_add_group(group);  in vfio_connect_container()
615     container = vfio_create_container(fd, group, errp);  in vfio_connect_container()
638     vfio_kvm_device_add_group(group);  in vfio_connect_container()
642     group->container = container;  in vfio_connect_container()
643     QLIST_INSERT_HEAD(&container->group_list, group, container_next);  in vfio_connect_container()
658     QLIST_REMOVE(group, container_next);  in vfio_connect_container()
659     vfio_kvm_device_del_group(group);  in vfio_connect_container()
683 static void vfio_disconnect_container(VFIOGroup *group)  in vfio_disconnect_container()  argument
685     VFIOContainer *container = group->container;  in vfio_disconnect_container()
689     QLIST_REMOVE(group, container_next);  in vfio_disconnect_container()
690     group->container = NULL;  in vfio_disconnect_container()
704     if (ioctl(group->fd, VFIO_GROUP_UNSET_CONTAINER, &container->fd)) {  in vfio_disconnect_container()
706                      group->groupid);  in vfio_disconnect_container()
724     VFIOGroup *group;  in vfio_get_group()  local
728     QLIST_FOREACH(group, &vfio_group_list, next) {  in vfio_get_group()
729         if (group->groupid == groupid) {  in vfio_get_group()
731             if (group->container->bcontainer.space->as == as) {  in vfio_get_group()
732                 return group;  in vfio_get_group()
735                            group->groupid);  in vfio_get_group()
741     group = g_malloc0(sizeof(*group));  in vfio_get_group()
744     group->fd = qemu_open(path, O_RDWR, errp);  in vfio_get_group()
745     if (group->fd < 0) {  in vfio_get_group()
749     if (ioctl(group->fd, VFIO_GROUP_GET_STATUS, &status)) {  in vfio_get_group()
762     group->groupid = groupid;  in vfio_get_group()
763     QLIST_INIT(&group->device_list);  in vfio_get_group()
765     if (!vfio_connect_container(group, as, errp)) {  in vfio_get_group()
771     QLIST_INSERT_HEAD(&vfio_group_list, group, next);  in vfio_get_group()
773     return group;  in vfio_get_group()
776     close(group->fd);  in vfio_get_group()
779     g_free(group);  in vfio_get_group()
784 static void vfio_put_group(VFIOGroup *group)  in vfio_put_group()  argument
786     if (!group || !QLIST_EMPTY(&group->device_list)) {  in vfio_put_group()
790     if (!group->ram_block_discard_allowed) {  in vfio_put_group()
791         vfio_ram_block_discard_disable(group->container, false);  in vfio_put_group()
793     vfio_kvm_device_del_group(group);  in vfio_put_group()
794     vfio_disconnect_container(group);  in vfio_put_group()
795     QLIST_REMOVE(group, next);  in vfio_put_group()
796     trace_vfio_put_group(group->fd);  in vfio_put_group()
797     close(group->fd);  in vfio_put_group()
798     g_free(group);  in vfio_put_group()
801 static bool vfio_get_device(VFIOGroup *group, const char *name,  in vfio_get_device()  argument
807     fd = ioctl(group->fd, VFIO_GROUP_GET_DEVICE_FD, name);  in vfio_get_device()
810                          group->groupid);  in vfio_get_device()
813                       "or pci-stub and not already in use\n", group->groupid);  in vfio_get_device()
831         group->ram_block_discard_allowed) {  in vfio_get_device()
832         if (!QLIST_EMPTY(&group->device_list)) {  in vfio_get_device()
839         if (!group->ram_block_discard_allowed) {  in vfio_get_device()
840             group->ram_block_discard_allowed = true;  in vfio_get_device()
841             vfio_ram_block_discard_disable(group->container, false);  in vfio_get_device()
846     vbasedev->group = group;  in vfio_get_device()
847     QLIST_INSERT_HEAD(&group->device_list, vbasedev, next);  in vfio_get_device()
862     if (!vbasedev->group) {  in vfio_put_base_device()
866     vbasedev->group = NULL;  in vfio_put_base_device()
908     VFIOGroup *group;  in vfio_legacy_attach_device()  local
921     group = vfio_get_group(groupid, as, errp);  in vfio_legacy_attach_device()
922     if (!group) {  in vfio_legacy_attach_device()
926     QLIST_FOREACH(vbasedev_iter, &group->device_list, next) {  in vfio_legacy_attach_device()
929             vfio_put_group(group);  in vfio_legacy_attach_device()
933     if (!vfio_get_device(group, name, vbasedev, errp)) {  in vfio_legacy_attach_device()
934         vfio_put_group(group);  in vfio_legacy_attach_device()
938     bcontainer = &group->container->bcontainer;  in vfio_legacy_attach_device()
948     VFIOGroup *group = vbasedev->group;  in vfio_legacy_detach_device()  local
953     trace_vfio_detach_device(vbasedev->name, group->groupid);  in vfio_legacy_detach_device()
955     vfio_put_group(group);  in vfio_legacy_detach_device()
961     VFIOGroup *group;  in vfio_legacy_pci_hot_reset()  local
1003         QLIST_FOREACH(group, &vfio_group_list, next) {  in vfio_legacy_pci_hot_reset()
1004             if (group->groupid == devices[i].group_id) {  in vfio_legacy_pci_hot_reset()
1009         if (!group) {  in vfio_legacy_pci_hot_reset()
1020         QLIST_FOREACH(vbasedev_iter, &group->device_list, next) {  in vfio_legacy_pci_hot_reset()
1046     QLIST_FOREACH(group, &vfio_group_list, next) {  in vfio_legacy_pci_hot_reset()
1048             if (group->groupid == devices[i].group_id) {  in vfio_legacy_pci_hot_reset()
1060     QLIST_FOREACH(group, &vfio_group_list, next) {  in vfio_legacy_pci_hot_reset()
1062             if (group->groupid == devices[i].group_id) {  in vfio_legacy_pci_hot_reset()
1063                 fds[reset->count++] = group->fd;  in vfio_legacy_pci_hot_reset()
1095         QLIST_FOREACH(group, &vfio_group_list, next) {  in vfio_legacy_pci_hot_reset()
1096             if (group->groupid == devices[i].group_id) {  in vfio_legacy_pci_hot_reset()
1101         if (!group) {  in vfio_legacy_pci_hot_reset()
1105         QLIST_FOREACH(vbasedev_iter, &group->device_list, next) {  in vfio_legacy_pci_hot_reset()