usbloadergx/source/libntfs/gekko_io.h
2010-09-24 00:48:03 +00:00

58 lines
2.0 KiB
C

/*
* gekko_io.h - Platform specifics for device io.
*
* Copyright (c) 2009 Rhys "Shareese" Koedijk
*
* This program/include file 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/include file 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _GEKKO_IO_H
#define _GEKKO_IO_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "types.h"
#include "cache2.h"
#include <gccore.h>
#include <ogc/disc_io.h>
/**
* gekko_fd - Gekko device driver descriptor
*/
typedef struct _gekko_fd
{
const DISC_INTERFACE* interface; /* Device disc interface */
sec_t startSector; /* LBA of partition start */
sec_t hiddenSectors; /* LBA offset to true partition start (as described by boot sector) */
u16 sectorSize; /* Device sector size (in bytes) */
u64 sectorCount; /* Total number of sectors in partition */
u64 pos; /* Current position within the partition (in bytes) */
u64 len; /* Total length of partition (in bytes) */
ino_t ino; /* Device identifier */
NTFS_CACHE *cache; /* Cache */
u32 cachePageCount; /* The number of pages in the cache */
u32 cachePageSize; /* The number of sectors per cache page */
} gekko_fd;
/* Forward declarations */
struct ntfs_device_operations;
/* Gekko device driver i/o operations */
extern struct ntfs_device_operations ntfs_device_gekko_io_ops;
#endif /* _GEKKO_IO_H */