1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef __SOC_RANDOM_H__ 17 #define __SOC_RANDOM_H__ 18 19 /* 20 * When kernel decoupled with specific devices, 21 * these code can be removed. 22 */ 23 VOID HiRandomHwInit(VOID); 24 VOID HiRandomHwDeinit(VOID); 25 INT32 HiRandomHwGetInteger(UINT32 *result); 26 INT32 HiRandomHwGetNumber(CHAR *buffer, size_t bufLen); 27 28 #ifdef LOSCFG_HW_RANDOM_ENABLE 29 void VirtrngInit(void); 30 #endif 31 32 #endif 33