2010-12-28 15:18:25 +01:00
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/*
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* gekko_io.h - Platform specifics for device io.
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*
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* Copyright (c) 2009 Rhys "Shareese" Koedijk
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*
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* This program/include file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program/include file is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _GEKKO_IO_H
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#define _GEKKO_IO_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "types.h"
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#include "cache2.h"
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#include <gccore.h>
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#include <ogc/disc_io.h>
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2011-02-16 21:11:53 +01:00
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#define MAX_SECTOR_SIZE 4096
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2010-12-28 15:18:25 +01:00
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/**
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* gekko_fd - Gekko device driver descriptor
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*/
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typedef struct _gekko_fd {
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const DISC_INTERFACE* interface; /* Device disc interface */
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sec_t startSector; /* LBA of partition start */
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sec_t hiddenSectors; /* LBA offset to true partition start (as described by boot sector) */
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u16 sectorSize; /* Device sector size (in bytes) */
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u64 sectorCount; /* Total number of sectors in partition */
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u64 pos; /* Current position within the partition (in bytes) */
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u64 len; /* Total length of partition (in bytes) */
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ino_t ino; /* Device identifier */
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NTFS_CACHE *cache; /* Cache */
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u32 cachePageCount; /* The number of pages in the cache */
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u32 cachePageSize; /* The number of sectors per cache page */
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} gekko_fd;
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/* Forward declarations */
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struct ntfs_device_operations;
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/* Gekko device driver i/o operations */
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extern struct ntfs_device_operations ntfs_device_gekko_io_ops;
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#endif /* _GEKKO_IO_H */
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