iommu/iommufd/iommufd_private.h

145 static inline bool iommufd_lock_obj(struct iommufd_object *obj)
147 	if (!refcount_inc_not_zero(&obj->users))
149 	if (!refcount_inc_not_zero(&obj->shortterm_users)) {
151 		 * If the caller doesn't already have a ref on obj this must be
155 		refcount_dec(&obj->users);
164 				      struct iommufd_object *obj)
170 	refcount_dec(&obj->users);
171 	if (refcount_dec_and_test(&obj->shortterm_users))
175 void iommufd_object_abort(struct iommufd_ctx *ictx, struct iommufd_object *obj);
177 				      struct iommufd_object *obj);
179 			     struct iommufd_object *obj);
194 					       struct iommufd_object *obj)
198 	ret = iommufd_object_remove(ictx, obj, obj->id, REMOVE_WAIT_SHORTTERM);
220 				   struct iommufd_object *obj)
222 	iommufd_object_remove(ictx, obj, obj->id, 0);
229 #define __iommufd_object_alloc(ictx, ptr, type, obj)                           \
234 							       obj) != 0),     \
236 		     typeof(*(ptr)), obj)
239 	__iommufd_object_alloc(ictx, ptr, type, obj)
256 	struct iommufd_object obj;
267 			    struct iommufd_ioas, obj);
272 void iommufd_ioas_destroy(struct iommufd_object *obj);
293 	struct iommufd_object obj;
315 	return hwpt->obj.type == IOMMUFD_OBJ_HWPT_PAGING;
329 			    struct iommufd_hwpt_paging, common.obj);
337 			    struct iommufd_hw_pagetable, obj);
352 void iommufd_hwpt_paging_destroy(struct iommufd_object *obj);
353 void iommufd_hwpt_paging_abort(struct iommufd_object *obj);
354 void iommufd_hwpt_nested_destroy(struct iommufd_object *obj);
355 void iommufd_hwpt_nested_abort(struct iommufd_object *obj);
362 	if (hwpt->obj.type == IOMMUFD_OBJ_HWPT_PAGING) {
368 			iommufd_object_put_and_try_destroy(ictx, &hwpt->obj);
372 	refcount_dec(&hwpt->obj.users);
391 	struct iommufd_object obj;
405 			    struct iommufd_device, obj);
408 void iommufd_device_destroy(struct iommufd_object *obj);
412 	struct iommufd_object obj;
427 void iommufd_access_destroy_object(struct iommufd_object *obj);
431 void iommufd_selftest_destroy(struct iommufd_object *obj);