| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #define LOG_TAG "libhidlmemory" |
| |
| #include <hidlmemory/mapping.h> |
| |
| #include <android-base/logging.h> |
| #include <android/hidl/memory/1.0/IMapper.h> |
| #include <hidl/HidlSupport.h> |
| |
| using android::sp; |
| using android::hidl::memory::V1_0::IMemory; |
| |
| namespace android { |
| namespace hardware { |
| |
| sp<IMemory> mapMemory(const hidl_memory &memory) { |
| using android::hidl::memory::V1_0::IMapper; |
| |
| sp<IMapper> mapper = IMapper::getService(memory.name(), true /* getStub */); |
| |
| if (mapper == nullptr) { |
| LOG(FATAL) << "Could not fetch mapper for " << memory.name() << " shared memory"; |
| } |
| |
| if (mapper->isRemote()) { |
| LOG(FATAL) << "IMapper must be a passthrough service."; |
| } |
| |
| Return<sp<IMemory>> ret = mapper->mapMemory(memory); |
| |
| if (!ret.isOk()) { |
| LOG(FATAL) << "hidl_memory map returned transport error."; |
| } |
| |
| return ret; |
| } |
| |
| } // namespace hardware |
| } // namespace android |