1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2022 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 disk Disk 34 * @ingroup filesystem 35 */ 36 37 #ifndef _DISK_PRI_H 38 #define _DISK_PRI_H 39 40 #include "linux/spinlock.h" 41 #include "disk.h" 42 43 #ifdef __cplusplus 44 #if __cplusplus 45 extern "C" { 46 #endif 47 #endif /* __cplusplus */ 48 49 extern spinlock_t g_diskSpinlock; 50 extern spinlock_t g_diskFatBlockSpinlock; 51 52 #ifdef LOSCFG_FS_FAT_CACHE 53 extern UINT32 GetFatBlockNums(VOID); 54 extern VOID SetFatBlockNums(UINT32 blockNums); 55 extern UINT32 GetFatSectorsPerBlock(VOID); 56 extern VOID SetFatSectorsPerBlock(UINT32 sectorsPerBlock); 57 #endif 58 59 extern INT32 SetDiskPartName(los_part *part, const CHAR *src); 60 61 extern INT32 EraseDiskByID(UINT32 diskID, size_t startSector, UINT32 sectors); 62 63 #ifdef __cplusplus 64 #if __cplusplus 65 } 66 #endif 67 #endif /* __cplusplus */ 68 69 #endif 70