/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __LOS_DEV_QUICKSTART_H__ #define __LOS_DEV_QUICKSTART_H__ #include "los_typedef.h" #include "sys/ioctl.h" #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ typedef enum { QS_STAGE1 = 1, /* 1: start from stage1, 0 is already called in kernel process */ QS_STAGE2, /* system init stage No 2 */ QS_STAGE3, /* system init stage No 3 */ QS_STAGE_LIMIT } QuickstartStage; typedef enum { QS_NOTIFY = QS_STAGE_LIMIT, /* quickstart notify */ QS_LISTEN, /* quickstart listen */ QS_CTL_LIMIT } QuickstartConctrl; typedef struct { unsigned int events; unsigned int wait; } QuickstartListenArgs; #define QUICKSTART_IOC_MAGIC 'T' #define QUICKSTART_NOTIFY _IO(QUICKSTART_IOC_MAGIC, QS_NOTIFY) #define QUICKSTART_LISTEN _IOR(QUICKSTART_IOC_MAGIC, QS_LISTEN, QuickstartListenArgs) #define QUICKSTART_STAGE(x) _IO(QUICKSTART_IOC_MAGIC, (x)) #define QUICKSTART_NODE "/dev/quickstart" #define QS_STAGE_CNT (QS_STAGE_LIMIT - QS_STAGE1) typedef void (*SysteminitHook)(void); typedef struct { SysteminitHook func[QS_STAGE_CNT]; } LosSysteminitHook; extern void QuickstartHookRegister(LosSysteminitHook hooks); extern int QuickstartDevRegister(void); #ifdef __cplusplus #if __cplusplus } #endif /* __cplusplus */ #endif /* __cplusplus */ #endif