74 lines
3.5 KiB
C
Executable File
74 lines
3.5 KiB
C
Executable File
/*
|
|
* Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* PROJECT : exFAT & FAT12/16/32 File System */
|
|
/* FILE : exfat_blkdev.h */
|
|
/* PURPOSE : Header File for exFAT Block Device Driver Glue Layer */
|
|
/* */
|
|
/*----------------------------------------------------------------------*/
|
|
/* NOTES */
|
|
/* */
|
|
/*----------------------------------------------------------------------*/
|
|
/* REVISION HISTORY (Ver 0.9) */
|
|
/* */
|
|
/* - 2010.11.15 [Joosun Hahn] : first writing */
|
|
/* */
|
|
/************************************************************************/
|
|
|
|
#ifndef _EXFAT_BLKDEV_H
|
|
#define _EXFAT_BLKDEV_H
|
|
|
|
#include <linux/fs.h>
|
|
#include "exfat_config.h"
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
/* Constant & Macro Definitions (Non-Configurable) */
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
/* Type Definitions */
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
typedef struct __BD_INFO_T {
|
|
s32 sector_size; /* in bytes */
|
|
s32 sector_size_bits;
|
|
s32 sector_size_mask;
|
|
s32 num_sectors; /* total number of sectors in this block device */
|
|
bool opened; /* opened or not */
|
|
} BD_INFO_T;
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
/* External Variable Declarations */
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
/* External Function Declarations */
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
s32 bdev_init(void);
|
|
s32 bdev_shutdown(void);
|
|
s32 bdev_open(struct super_block *sb);
|
|
s32 bdev_close(struct super_block *sb);
|
|
s32 bdev_read(struct super_block *sb, sector_t secno, struct buffer_head **bh, u32 num_secs, s32 read);
|
|
s32 bdev_write(struct super_block *sb, sector_t secno, struct buffer_head *bh, u32 num_secs, s32 sync);
|
|
s32 bdev_sync(struct super_block *sb);
|
|
|
|
#endif /* _EXFAT_BLKDEV_H */
|