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/*
* Copyright (c) International Business Machines Corp., 2006
* Copyright (C) 2008 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Authors: Frank Haverkamp
* Artem Bityutskiy
*/
#ifndef __LIBUBIGEN_H__
#define __LIBUBIGEN_H__
#include <stdint.h>
#include <mtd/ubi-media.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* struct ubigen_info - libubigen information.
* @leb_size: logical eraseblock size
* @peb_size: size of the physical eraseblock
* @min_io_size: minimum input/output unit size
* @vid_hdr_offs: offset of the VID header
* @data_offs: data offset
* @ubi_ver: UBI version
* @vtbl_size: volume table size
* @max_volumes: maximum amount of volumes
* @image_seq: UBI image sequence number
*/
struct ubigen_info
{
int leb_size;
int peb_size;
int min_io_size;
int vid_hdr_offs;
int data_offs;
int ubi_ver;
int vtbl_size;
int max_volumes;
uint32_t image_seq;
};
/**
* struct ubigen_vol_info - information about a volume.
* @id: volume id
* @type: volume type (%UBI_VID_DYNAMIC or %UBI_VID_STATIC)
* @alignment: volume alignment
* @data_pad: how many bytes are unused at the end of the each physical
* eraseblock to satisfy the requested alignment
* @usable_leb_size: LEB size accessible for volume users
* @name: volume name
* @name_len: volume name length
* @compat: compatibility of this volume (%0, %UBI_COMPAT_DELETE,
* %UBI_COMPAT_IGNORE, %UBI_COMPAT_PRESERVE, or %UBI_COMPAT_REJECT)
* @used_ebs: total number of used logical eraseblocks in this volume (relevant
* for static volumes only)
* @bytes: size of the volume contents in bytes (relevant for static volumes
* only)
* @flags: volume flags (%UBI_VTBL_AUTORESIZE_FLG)
*/
struct ubigen_vol_info
{
int id;
int type;
int alignment;
int data_pad;
int usable_leb_size;
const char *name;
int name_len;
int compat;
int used_ebs;
long long bytes;
uint8_t flags;
};
void ubigen_info_init(struct ubigen_info *ui, int peb_size, int min_io_size,
int subpage_size, int vid_hdr_offs, int ubi_ver,
uint32_t image_seq);
struct ubi_vtbl_record *ubigen_create_empty_vtbl(const struct ubigen_info *ui);
void ubigen_init_ec_hdr(const struct ubigen_info *ui,
struct ubi_ec_hdr *hdr, long long ec);
int ubigen_get_vtbl_size(const struct ubigen_info *ui);
int ubigen_add_volume(const struct ubigen_info *ui,
const struct ubigen_vol_info *vi,
struct ubi_vtbl_record *vtbl);
int ubigen_write_volume(const struct ubigen_info *ui,
const struct ubigen_vol_info *vi, long long ec,
long long bytes, int in, int out);
int ubigen_write_layout_vol(const struct ubigen_info *ui, int peb1, int peb2,
long long ec1, long long ec2,
struct ubi_vtbl_record *vtbl, int fd);
#ifdef __cplusplus
}
#endif
#endif /* !__LIBUBIGEN_H__ */
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