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 /** 33 * @defgroup los_errno Error code 34 * @ingroup kernel 35 */ 36 37 #ifndef _LOS_ERRNO_H 38 #define _LOS_ERRNO_H 39 40 #include "los_typedef.h" 41 42 #ifdef __cplusplus 43 #if __cplusplus 44 extern "C" { 45 #endif /* __cplusplus */ 46 #endif /* __cplusplus */ 47 48 /** 49 * @ingroup los_errno 50 * OS error code flag. 51 */ 52 #define LOS_ERRNO_OS_ID (0x00U << 16) 53 54 /** 55 * @ingroup los_errno 56 * Define the error level as informative. 57 */ 58 #define LOS_ERRTYPE_NORMAL (0x00U << 24) 59 60 /** 61 * @ingroup los_errno 62 * Define the error level as warning. 63 */ 64 #define LOS_ERRTYPE_WARN (0x01U << 24) 65 66 /** 67 * @ingroup los_errno 68 * Define the error level as critical. 69 */ 70 #define LOS_ERRTYPE_ERROR (0x02U << 24) 71 72 /** 73 * @ingroup los_errno 74 * Define the error level as fatal. 75 */ 76 #define LOS_ERRTYPE_FATAL (0x03U << 24) 77 78 /** 79 * @ingroup los_errno 80 * Define fatal OS errors. 81 */ 82 #define LOS_ERRNO_OS_FATAL(MID, ERRNO) \ 83 (LOS_ERRTYPE_FATAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO))) 84 85 /** 86 * @ingroup los_errno 87 * Define critical OS errors. 88 */ 89 #define LOS_ERRNO_OS_ERROR(MID, ERRNO) \ 90 (LOS_ERRTYPE_ERROR | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO))) 91 92 /** 93 * @ingroup los_errno 94 * Define warning OS errors. 95 */ 96 #define LOS_ERRNO_OS_WARN(MID, ERRNO) \ 97 (LOS_ERRTYPE_WARN | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO))) 98 99 /** 100 * @ingroup los_errno 101 * Define informative OS errors. 102 */ 103 #define LOS_ERRNO_OS_NORMAL(MID, ERRNO) \ 104 (LOS_ERRTYPE_NORMAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO))) 105 106 #ifdef __cplusplus 107 #if __cplusplus 108 } 109 #endif /* __cplusplus */ 110 #endif /* __cplusplus */ 111 112 #endif /* _LOS_ERRNO_H */ 113