/* * Copyright (c) International Business Machines Corp., 2006 * Copyright (C) 2009 Nokia Corporation * * 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. * * Author: Artem Bityutskiy * * MTD library. */ /* Imported from mtd-utils by dehrenberg */ #ifndef __LIBMTD_INT_H__ #define __LIBMTD_INT_H__ #ifdef __cplusplus extern "C" { #endif #define PROGRAM_NAME "libmtd" #define SYSFS_MTD "class/mtd" #define MTD_NAME_PATT "mtd%d" #define MTD_DEV "dev" #define MTD_NAME "name" #define MTD_TYPE "type" #define MTD_EB_SIZE "erasesize" #define MTD_SIZE "size" #define MTD_MIN_IO_SIZE "writesize" #define MTD_SUBPAGE_SIZE "subpagesize" #define MTD_OOB_SIZE "oobsize" #define MTD_REGION_CNT "numeraseregions" #define MTD_FLAGS "flags" #define OFFS64_IOCTLS_UNKNOWN 0 #define OFFS64_IOCTLS_NOT_SUPPORTED 1 #define OFFS64_IOCTLS_SUPPORTED 2 /** * libmtd - MTD library description data structure. * @sysfs_mtd: MTD directory in sysfs * @mtd: MTD device sysfs directory pattern * @mtd_dev: MTD device major/minor numbers file pattern * @mtd_name: MTD device name file pattern * @mtd_type: MTD device type file pattern * @mtd_eb_size: MTD device eraseblock size file pattern * @mtd_size: MTD device size file pattern * @mtd_min_io_size: minimum I/O unit size file pattern * @mtd_subpage_size: sub-page size file pattern * @mtd_oob_size: MTD device OOB size file pattern * @mtd_region_cnt: count of additional erase regions file pattern * @mtd_flags: MTD device flags file pattern * @sysfs_supported: non-zero if sysfs is supported by MTD * @offs64_ioctls: %OFFS64_IOCTLS_SUPPORTED if 64-bit %MEMERASE64, * %MEMREADOOB64, %MEMWRITEOOB64 MTD device ioctls are * supported, %OFFS64_IOCTLS_NOT_SUPPORTED if not, and * %OFFS64_IOCTLS_UNKNOWN if it is not known yet; * * Note, we cannot find out whether 64-bit ioctls are supported by MTD when we * are initializing the library, because this requires an MTD device node. * Indeed, we have to actually call the ioctl and check for %ENOTTY to find * out whether it is supported or not. * * Thus, we leave %offs64_ioctls uninitialized in 'libmtd_open()', and * initialize it later, when corresponding libmtd function is used, and when * we actually have a device node and can invoke an ioctl command on it. */ struct libmtd { char *sysfs_mtd; char *mtd; char *mtd_dev; char *mtd_name; char *mtd_type; char *mtd_eb_size; char *mtd_size; char *mtd_min_io_size; char *mtd_subpage_size; char *mtd_oob_size; char *mtd_region_cnt; char *mtd_flags; unsigned int sysfs_supported:1; unsigned int offs64_ioctls:2; }; int legacy_libmtd_open(void); int legacy_dev_present(int mtd_num); int legacy_mtd_get_info(struct mtd_info *info); int legacy_get_dev_info(const char *node, struct mtd_dev_info *mtd); int legacy_get_dev_info1(int dev_num, struct mtd_dev_info *mtd); #ifdef __cplusplus } #endif #endif /* !__LIBMTD_INT_H__ */