kernel_liteos_a/fs/include/vfs_config.h

134 lines
4.5 KiB
C
Executable File

/*
* 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 _VFS_CONFIG_H_
#define _VFS_CONFIG_H_
#include "los_config.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define CONFIG_DISABLE_MQUEUE // disable posix mqueue inode configure
/* file system configur */
#define CONFIG_FS_WRITABLE // enable file system can be written
#define CONFIG_FS_READABLE // enable file system can be read
#define CONFIG_DEBUG_FS // enable vfs debug function
/* fatfs cache configur */
/* config block size for fat file system, only can be 0,32,64,128,256,512,1024 */
#define CONFIG_FS_FAT_SECTOR_PER_BLOCK 64
/* config block num for fat file system */
#define CONFIG_FS_FAT_READ_NUMS 7
#define CONFIG_FS_FAT_BLOCK_NUMS 28
#ifdef LOSCFG_FS_FAT_CACHE_SYNC_THREAD
/* config the priority of sync task */
#define CONFIG_FS_FAT_SYNC_THREAD_PRIO 10
/* config dirty ratio of bcache for fat file system */
#define CONFIG_FS_FAT_DIRTY_RATIO 60
/* config time interval of sync thread for fat file system, in milliseconds */
#define CONFIG_FS_FAT_SYNC_INTERVAL 5000
#endif
#define CONFIG_FS_FLASH_BLOCK_NUM 1
/* nfs configure */
#define CONFIG_NFS_MACHINE_NAME "IPC" // nfs device name is IPC
#define CONFIG_NFS_MACHINE_NAME_SIZE 3 // size of nfs machine name
/* file descriptors configure */
#define CONFIG_NFILE_STREAMS 1 // enable file stream
#define CONFIG_STDIO_BUFFER_SIZE 0
#define CONFIG_NUNGET_CHARS 0
#define FD_SET_TOTAL_SIZE (FD_SETSIZE + CONFIG_NEXPANED_DESCRIPTORS)
#define FD_SETSIZE (CONFIG_NFILE_DESCRIPTORS + CONFIG_NSOCKET_DESCRIPTORS)
#define CONFIG_NEXPANED_DESCRIPTORS (CONFIG_NTIME_DESCRIPTORS + CONFIG_NQUEUE_DESCRIPTORS)
#define TIMER_FD_OFFSET FD_SETSIZE
#define MQUEUE_FD_OFFSET (FD_SETSIZE + CONFIG_NTIME_DESCRIPTORS)
/* net configure */
#ifdef LOSCFG_NET_LWIP_SACK // enable socket and net function
#include "lwip/lwipopts.h"
#define CONFIG_NSOCKET_DESCRIPTORS LWIP_CONFIG_NUM_SOCKETS // max numbers of socket descriptor
/* max numbers of other descriptors except socket descriptors */
#define CONFIG_NFILE_DESCRIPTORS 512
#define CONFIG_NET_SENDFILE 1 // enable sendfile function
#define CONFIG_NET_TCP 1 // enable sendfile and send function
#else
#define CONFIG_NSOCKET_DESCRIPTORS 0
#define CONFIG_NFILE_DESCRIPTORS 512
#define CONFIG_NET_SENDFILE 0 // disable sendfile function
#define CONFIG_NET_TCP 0 // disable sendfile and send function
#endif
#define NR_OPEN_DEFAULT CONFIG_NFILE_DESCRIPTORS
/* time configure */
#define CONFIG_NTIME_DESCRIPTORS 0
/* mqueue configure */
#define CONFIG_NQUEUE_DESCRIPTORS 256
/* directory configure */
#define VFS_USING_WORKDIR // enable current working directory
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif