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 #ifndef _VFS_CONFIG_H_ 33 #define _VFS_CONFIG_H_ 34 35 /* file descriptors configure */ 36 37 #define MIN_START_FD 3 // 0,1,2 are used for stdin,stdout,stderr respectively 38 39 /* net configure */ 40 41 #ifdef LOSCFG_NET_LWIP_SACK // enable socket and net function 42 #include "lwip/lwipopts.h" 43 #define CONFIG_NSOCKET_DESCRIPTORS LWIP_CONFIG_NUM_SOCKETS // max numbers of socket descriptor 44 #else 45 #define CONFIG_NSOCKET_DESCRIPTORS 0 46 #endif 47 48 /* max numbers of other descriptors except socket descriptors */ 49 50 #ifdef LOSCFG_FS_FAT 51 #include "fatfs_conf.h" 52 #endif 53 54 #ifdef LOSCFG_FS_LITTLEFS 55 #include "lfs_conf.h" 56 #endif 57 58 #ifndef CONFIG_NFILE_DESCRIPTORS 59 #define CONFIG_NFILE_DESCRIPTORS 256 60 #endif 61 62 #define NR_OPEN_DEFAULT (CONFIG_NFILE_DESCRIPTORS - MIN_START_FD) 63 64 /* time configure */ 65 66 #define CONFIG_NTIME_DESCRIPTORS 0 67 68 /* mqueue configure */ 69 70 #define CONFIG_NQUEUE_DESCRIPTORS 256 71 72 #define TIMER_FD_OFFSET (CONFIG_NFILE_DESCRIPTORS + CONFIG_NSOCKET_DESCRIPTORS) 73 #define CONFIG_NEXPANED_DESCRIPTORS (CONFIG_NTIME_DESCRIPTORS + CONFIG_NQUEUE_DESCRIPTORS) 74 #define FD_SET_TOTAL_SIZE (TIMER_FD_OFFSET + CONFIG_NEXPANED_DESCRIPTORS) 75 #define MQUEUE_FD_OFFSET (TIMER_FD_OFFSET + CONFIG_NTIME_DESCRIPTORS) 76 77 /* directory configure */ 78 79 #define VFS_USING_WORKDIR // enable current working directory 80 81 /* permission configure */ 82 #define DEFAULT_DIR_MODE 0777 83 #define DEFAULT_FILE_MODE 0666 84 85 #define MAX_DIRENT_NUM 14 // 14 means 4096 length buffer can store 14 dirent, see struct DIR 86 87 /* max number of open directories */ 88 #ifndef LOSCFG_MAX_OPEN_DIRS 89 #define LOSCFG_MAX_OPEN_DIRS 10 90 #endif 91 92 #endif 93