1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef __LOS_DEV_QUICKSTART_H__ 33 #define __LOS_DEV_QUICKSTART_H__ 34 35 #include "los_typedef.h" 36 #include "sys/ioctl.h" 37 38 #ifdef __cplusplus 39 #if __cplusplus 40 extern "C" { 41 #endif /* __cplusplus */ 42 #endif /* __cplusplus */ 43 44 typedef enum { 45 QS_STAGE1 = 1, /* 1: start from stage1, 0 is already called in kernel process */ 46 QS_STAGE2, /* system init stage No 2 */ 47 QS_STAGE3, /* system init stage No 3 */ 48 QS_STAGE_LIMIT 49 } QuickstartStage; 50 51 typedef enum { 52 QS_NOTIFY = QS_STAGE_LIMIT, /* quickstart notify */ 53 QS_LISTEN, /* quickstart listen */ 54 QS_CTL_LIMIT 55 } QuickstartConctrl; 56 57 typedef struct { 58 unsigned int events; 59 unsigned int wait; 60 } QuickstartListenArgs; 61 62 #define QUICKSTART_IOC_MAGIC 'T' 63 #define QUICKSTART_NOTIFY _IO(QUICKSTART_IOC_MAGIC, QS_NOTIFY) 64 #define QUICKSTART_LISTEN _IOR(QUICKSTART_IOC_MAGIC, QS_LISTEN, QuickstartListenArgs) 65 #define QUICKSTART_STAGE(x) _IO(QUICKSTART_IOC_MAGIC, (x)) 66 67 #define QUICKSTART_NODE "/dev/quickstart" 68 69 #define QS_STAGE_CNT (QS_STAGE_LIMIT - QS_STAGE1) 70 71 typedef void (*SysteminitHook)(void); 72 73 typedef struct { 74 SysteminitHook func[QS_STAGE_CNT]; 75 } LosSysteminitHook; 76 77 extern void QuickstartHookRegister(LosSysteminitHook hooks); 78 79 extern int QuickstartDevRegister(void); 80 81 #ifdef __cplusplus 82 #if __cplusplus 83 } 84 #endif /* __cplusplus */ 85 #endif /* __cplusplus */ 86 87 #endif 88