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Diffstat (limited to 'ubi-utils/include/libubigen.h')
| -rw-r--r-- | ubi-utils/include/libubigen.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/ubi-utils/include/libubigen.h b/ubi-utils/include/libubigen.h new file mode 100644 index 0000000..c2b95b0 --- /dev/null +++ b/ubi-utils/include/libubigen.h @@ -0,0 +1,110 @@ +/* + * 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> + +#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 + */ +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; +}; + +/** + * 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); +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__ */ |