1/* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.hardware.neuralnetworks@1.2; 18 19import @1.0::ErrorStatus; 20 21/** 22 * Callback object used by a service to retreive memory objects based on unique 23 * identifiers ("slots"). 24 */ 25interface IBurstCallback { 26 /** 27 * Get the memory regions that correspond to slot ids. The slot ids are 28 * unique to the burst object. 29 * 30 * @param slots Values uniquely identifying memory regions within a Burst. 31 * @return status Indicates whether the memories were successfully returned; 32 * must be: 33 * - NONE if the memory region was successfully retrieved 34 * - GENERAL_FAILURE if there is an unspecified error 35 * - INVALID_ARGUMENT if a slot number is invalid 36 * @return buffers Memory buffers corresponding to the slot numbers. If an 37 * error occurs, an empty vector must be returned for 38 * buffers, otherwise slots.size() == buffers.size(). 39 */ 40 getMemories(vec<int32_t> slots) generates (ErrorStatus status, vec<memory> buffers); 41}; 42