| /* |
| * 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. |
| * |
| */ |
| |
| /************************************************************************/ |
| /* */ |
| /* 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 */ |
