995 	struct iommu_table_group *table_group = iommu_data;  in group_release()  local
997 	table_group->group = NULL;  in group_release()
1000 void iommu_register_group(struct iommu_table_group *table_group,  in iommu_register_group()  argument
1012 	table_group->group = grp;  in iommu_register_group()
1013 	iommu_group_set_iommudata(grp, table_group, group_release);  in iommu_register_group()
1157 int iommu_add_device(struct iommu_table_group *table_group, struct device *dev)  in iommu_add_device()  argument
1175 		 __func__, dev_name(dev),  iommu_group_id(table_group->group));  in iommu_add_device()
1205 static long spapr_tce_create_table(struct iommu_table_group *table_group, int num,  in spapr_tce_create_table()  argument
1209 	struct iommu_table *tbl = table_group->tables[0];  in spapr_tce_create_table()
1223 static long spapr_tce_set_window(struct iommu_table_group *table_group,  in spapr_tce_set_window()  argument
1226 	return tbl == table_group->tables[num] ? 0 : -EPERM;  in spapr_tce_set_window()
1229 static long spapr_tce_unset_window(struct iommu_table_group *table_group, int num)  in spapr_tce_unset_window()  argument
1234 static long spapr_tce_take_ownership(struct iommu_table_group *table_group)  in spapr_tce_take_ownership()  argument
1239 		struct iommu_table *tbl = table_group->tables[i];  in spapr_tce_take_ownership()
1249 			iommu_release_ownership(table_group->tables[j]);  in spapr_tce_take_ownership()
1255 static void spapr_tce_release_ownership(struct iommu_table_group *table_group)  in spapr_tce_release_ownership()  argument
1260 		struct iommu_table *tbl = table_group->tables[i];  in spapr_tce_release_ownership()
1287 	struct iommu_table_group *table_group;  in spapr_tce_blocking_iommu_attach_dev()  local
1293 	table_group = iommu_group_get_iommudata(grp);  in spapr_tce_blocking_iommu_attach_dev()
1294 	ret = table_group->ops->take_ownership(table_group);  in spapr_tce_blocking_iommu_attach_dev()
1303 	struct iommu_table_group *table_group;  in spapr_tce_blocking_iommu_set_platform_dma()  local
1305 	table_group = iommu_group_get_iommudata(grp);  in spapr_tce_blocking_iommu_set_platform_dma()
1306 	table_group->ops->release_ownership(table_group);  in spapr_tce_blocking_iommu_set_platform_dma()