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/* Copyright 2013-2014 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __LIBFFS_H
#define __LIBFFS_H
#include <libflash/libflash.h>
#include <libflash/ffs.h>
#include <libflash/blocklevel.h>
/* FFS handle, opaque */
struct ffs_handle;
/* Error codes:
*
* < 0 = flash controller errors
* 0 = success
* > 0 = libffs / libflash errors
*/
#define FFS_ERR_BAD_MAGIC 100
#define FFS_ERR_BAD_VERSION 101
#define FFS_ERR_BAD_CKSUM 102
#define FFS_ERR_PART_NOT_FOUND 103
#define FFS_ERR_BAD_ECC 104
/* Init */
int ffs_init(uint32_t offset, uint32_t max_size,
struct blocklevel_device *bl, struct ffs_handle **ffs);
/* ffs_open_image is Linux only as it uses lseek, which skiboot does not
* implement */
#ifndef __SKIBOOT__
int ffs_open_image(int fd, uint32_t size, uint32_t toc_offset,
struct ffs_handle **ffs);
#endif
void ffs_close(struct ffs_handle *ffs);
int ffs_lookup_part(struct ffs_handle *ffs, const char *name,
uint32_t *part_idx);
int ffs_part_info(struct ffs_handle *ffs, uint32_t part_idx,
char **name, uint32_t *start,
uint32_t *total_size, uint32_t *act_size, bool *ecc);
int ffs_update_act_size(struct ffs_handle *ffs, uint32_t part_idx,
uint32_t act_size);
#endif /* __LIBFFS_H */
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