60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <string.h>
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#include <hardware/hardware.h>
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#include <hardware/keymaster0.h>
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#include "trusty_keymaster_device.h"
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using keymaster::TrustyKeymasterDevice;
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/*
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* Generic device handling
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*/
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static int trusty_keymaster_open(const hw_module_t* module, const char* name,
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hw_device_t** device) {
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if (strcmp(name, KEYSTORE_KEYMASTER) != 0)
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return -EINVAL;
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TrustyKeymasterDevice* dev = new TrustyKeymasterDevice(module);
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if (dev == NULL)
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return -ENOMEM;
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*device = dev->hw_device();
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// Do not delete dev; it will get cleaned up when the caller calls device->close(), and must
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// exist until then.
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return 0;
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}
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static struct hw_module_methods_t keystore_module_methods = {
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.open = trusty_keymaster_open,
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};
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struct keystore_module HAL_MODULE_INFO_SYM __attribute__((visibility("default"))) = {
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.common =
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{
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.tag = HARDWARE_MODULE_TAG,
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.module_api_version = KEYMASTER_MODULE_API_VERSION_0_3,
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.hal_api_version = HARDWARE_HAL_API_VERSION,
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.id = KEYSTORE_HARDWARE_MODULE_ID,
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.name = "Trusty Keymaster HAL",
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.author = "The Android Open Source Project",
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.methods = &keystore_module_methods,
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.dso = 0,
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.reserved = {},
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},
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};
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