/* * Copyright (C) 2014 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. */ #include <errno.h> #include <string.h> #include <hardware/hardware.h> #include <hardware/keymaster0.h> #include "trusty_keymaster_device.h" using keymaster::TrustyKeymasterDevice; /* * Generic device handling */ static int trusty_keymaster_open(const hw_module_t* module, const char* name, hw_device_t** device) { if (strcmp(name, KEYSTORE_KEYMASTER) != 0) { return -EINVAL; } TrustyKeymasterDevice* dev = new TrustyKeymasterDevice(module); if (dev == NULL) { return -ENOMEM; } *device = dev->hw_device(); // Do not delete dev; it will get cleaned up when the caller calls device->close(), and must // exist until then. return 0; } static struct hw_module_methods_t keystore_module_methods = { .open = trusty_keymaster_open, }; struct keystore_module HAL_MODULE_INFO_SYM __attribute__((visibility("default"))) = { .common = { .tag = HARDWARE_MODULE_TAG, .module_api_version = KEYMASTER_MODULE_API_VERSION_2_0, .hal_api_version = HARDWARE_HAL_API_VERSION, .id = KEYSTORE_HARDWARE_MODULE_ID, .name = "Trusty Keymaster HAL", .author = "The Android Open Source Project", .methods = &keystore_module_methods, .dso = 0, .reserved = {}, }, };