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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020 Eugeniu Rosca <rosca.eugeniu@gmail.com>
*
* Android Bootloader Control Block Header
*/
#ifndef __BCB_H__
#define __BCB_H__
#include <part.h>
enum bcb_field {
BCB_FIELD_COMMAND,
BCB_FIELD_STATUS,
BCB_FIELD_RECOVERY,
BCB_FIELD_STAGE
};
#if IS_ENABLED(CONFIG_CMD_BCB)
int bcb_find_partition_and_load(const char *iface,
int devnum, char *partp);
int bcb_load(struct blk_desc *block_description,
struct disk_partition *disk_partition);
int bcb_set(enum bcb_field field, const char *value);
/**
* bcb_get() - get the field value.
* @field: field to get
* @value_out: buffer to copy bcb field value to
* @value_size: buffer size to avoid overflow in case
* value_out is smaller then the field value
*/
int bcb_get(enum bcb_field field, char *value_out, size_t value_size);
int bcb_store(void);
void bcb_reset(void);
#else
#include <linux/errno.h>
static inline int bcb_load(struct blk_desc *block_description,
struct disk_partition *disk_partition)
{
return -EOPNOTSUPP;
}
static inline int bcb_find_partition_and_load(const char *iface,
int devnum, char *partp)
{
return -EOPNOTSUPP;
}
static inline int bcb_set(enum bcb_field field, const char *value)
{
return -EOPNOTSUPP;
}
static inline int bcb_get(enum bcb_field field, char *value_out)
{
return -EOPNOTSUPP;
}
static inline int bcb_store(void)
{
return -EOPNOTSUPP;
}
static inline void bcb_reset(void)
{
}
#endif
#endif /* __BCB_H__ */
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