los_fs.h

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/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2021-2021. All rights reserved.
 * Description: LiteOS FS Headfile
 * Author: Huawei LiteOS Team
 * Create: 2021-07-16
 * 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 _INCLUDE_LOS_FS_H
#define _INCLUDE_LOS_FS_H
 
#include "errno.h"
#include "compiler.h"
#include "sys/statfs.h"
#include "sys/types.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
#ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION
#define _MAX_ENTRYLENGTH  16                                       /* MAX virtual partition name length */
#define _MAX_VIRVOLUMES   5                                        /* MAX virtual partition number */
typedef struct virtual_partition_info
{
  char *devpartpath;                                             /* partition name need set virtual partition,e.g. /dev/mmcblk0p0 */
  int  virpartnum;                                               /* virtual partition numbers, MAX number is 5 */
  double virpartpercent[_MAX_VIRVOLUMES];                        /* every virtual partition percent,e.g 0.6,0.3,0.1 */
  char virpartname[_MAX_VIRVOLUMES][_MAX_ENTRYLENGTH + 1];       /* every virtual partition name, MAX length is 16 */
} virpartinfo;
#endif
 
struct fsmap_t
{
  const char                      *fs_filesystemtype;
  const struct mountpt_operations *fs_mops;
  const BOOL                      is_mtd_support;
  const BOOL                      is_bdfs;
};
 
#define FSMAP_WOW_ENTRY(_l, _name, _mop, _is_mtd_support, _is_bdfs) \
struct fsmap_t _l LOS_HAL_TABLE_WOW_ENTRY(fsmap) =                  \
{                                                                   \
  _name,                                                            \
  &_mop,                                                            \
  _is_mtd_support,                                                  \
  _is_bdfs                                                          \
}
 
#define FSMAP_SCATTER_ENTRY(_l, _name, _mop, _is_mtd_support, _is_bdfs) \
struct fsmap_t _l LOS_HAL_TABLE_SCATTER_ENTRY(fsmap) =                  \
{                                                                       \
  _name,                                                                \
  &_mop,                                                                \
  _is_mtd_support,                                                      \
  _is_bdfs                                                              \
}
 
#define FSMAP_ENTRY(_l, _name, _mop, _is_mtd_support, _is_bdfs) \
struct fsmap_t _l LOS_HAL_TABLE_ENTRY(fsmap) =                  \
{                                                               \
  _name,                                                        \
  &_mop,                                                        \
  _is_mtd_support,                                              \
  _is_bdfs                                                      \
}
 
typedef enum mount_status
{
  STAT_UNMOUNTED = 0,
  STAT_MOUNTED,
} MOUNT_STATE;
 
void los_vfs_init(void);
 
extern void ls(const char *pathname);
 
extern char *rindex(const char *s, int c);
 
int getlabel(const char *target, char *label);
 
extern void set_label(const char *name);
 
extern int format(const char *dev, int sectors, int option);
 
extern int los_set_systime_status(BOOL b_status);
 
FAR int fscheck(FAR const char *path);
 
#ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION
extern int virstatfs(FAR const char *path, FAR struct statfs *buf);
 
int los_set_virpartparam(virpartinfo virtualinfo);
 
#endif
 
int chattr(const char *path, mode_t mode);
 
extern INT32 LOS_BcacheSyncByName(const CHAR *name);
 
extern INT32 LOS_GetDirtyRatioByName(const CHAR *name);
 
#ifdef LOSCFG_FS_FAT_CACHE_SYNC_THREAD
extern VOID LOS_SetDirtyRatioThreshold(UINT32 dirtyRatio);
 
extern UINT32 LOS_GetDirtyRatioThreshold(VOID);
 
extern VOID LOS_SetSyncThreadInterval(UINT32 interval);
 
extern UINT32 LOS_GetSyncThreadInterval(VOID);
 
extern INT32 LOS_SetSyncThreadPrio(UINT32 prio, const CHAR *name);
 
#endif
 
extern VOID LOS_SetBlockExpireInterval(UINT32 interval);
 
extern UINT32 LOS_GetBlockExpireInterval(VOID);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* _INCLUDE_LOS_FS_H */