/* * gekko_io.h - Platform specifics for device io. * * Copyright (c) 2009 Rhys "Shareese" Koedijk * Copyright (c) 2010 Dimok * * 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 #include #include #include "disc_cache.h" #include "ext2fs.h" #define BYTES_PER_SECTOR 512 /** * 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 sectorCount; /* Total number of sectors in partition */ u16 sectorSize; /* Device sector size (in bytes) */ int flags; int access_time; ext2_loff_t offset; struct struct_io_stats io_stats; CACHE *cache; /* Cache */ u32 cachePageCount; /* The number of pages in the cache */ u32 cachePageSize; /* The number of sectors per cache page */ } gekko_fd; /* Gekko device driver i/o operations */ extern io_manager gekko_io_manager; #endif /* _GEKKO_IO_H */