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/*
* This file is part of the coreboot project.
*
* Copyright 2015 Google Inc.
*
* 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; version 2 of the License.
*
* 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.
*/
#ifndef _COMMONLIB_CBFS_H_
#define _COMMONLIB_CBFS_H_
#include <commonlib/cbfs_serialized.h>
#include <commonlib/region.h>
/* Object representing cbfs files. */
struct cbfsf {
struct region_device metadata;
struct region_device data;
};
/* Locate file by name and optional type. Returns 0 on succcess else < 0 on
* error.*/
int cbfs_locate(struct cbfsf *fh, const struct region_device *cbfs,
const char *name, uint32_t *type);
static inline void cbfs_file_data(struct region_device *data,
const struct cbfsf *file)
{
rdev_chain(data, &file->data, 0, region_device_sz(&file->data));
}
static inline void cbfs_file_metadata(struct region_device *metadata,
const struct cbfsf *file)
{
rdev_chain(metadata, &file->metadata, 0,
region_device_sz(&file->metadata));
}
/*
* Provide a handle to each cbfs file within a cbfs. The prev pointer represents
* the previous file (NULL on first invocation). The next object gets filled
* out with the next file. This returns < 0 on error, 0 on finding the next
* file, and > 0 at end of cbfs.
*/
int cbfs_for_each_file(const struct region_device *cbfs,
const struct cbfsf *prev, struct cbfsf *fh);
#endif
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