| /* |
| * Copyright (C) 2015 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. |
| */ |
| |
| #pragma once |
| |
| #define KEYMASTER_SECURE_PORT "com.android.trusty.keymaster.secure" |
| |
| /** |
| * keymaster_command - command identifier for secure KM operations |
| * @GET_AUTH_TOKEN_KEY: retrieves the auth token key from KM. |
| * Payload not required. |
| */ |
| #define KM_RESP_BIT 1U |
| #define KM_STOP_BIT 2U |
| #define KM_REQ_SHIFT 2U |
| #define KM_GET_AUTH_TOKEN_KEY (0U << KM_REQ_SHIFT) |
| |
| /** |
| * keymaster_message - Serial header for communicating with KM server |
| * @cmd: the command, one of keymaster_command. |
| * @payload: start of the serialized command specific payload |
| */ |
| struct keymaster_message { |
| uint32_t cmd; |
| uint8_t payload[0]; |
| }; |
