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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __CBFSTOOL_CSE_SERGER_H__
#define __CBFSTOOL_CSE_SERGER_H__
#include <commonlib/endian.h>
#include <commonlib/region.h>
#include "common.h"
#define BPDT_SIGNATURE (0x000055AA)
#define BUFF_SIZE_ALIGN (4 * KiB)
#define READ_MEMBER(_buff, _x) read_member(_buff, &(_x), sizeof(_x))
#define WRITE_MEMBER(_buff, _x) write_member(_buff, &(_x), sizeof(_x))
enum bpdt_version {
BPDT_VERSION_1_6 = 1,
BPDT_VERSION_1_7 = 2,
};
enum subpart_hdr_version {
SUBPART_HDR_VERSION_1 = 1,
SUBPART_HDR_VERSION_2 = 2,
};
enum subpart_entry_version {
SUBPART_ENTRY_VERSION_1 = 1,
};
struct cse_layout_regions {
struct region data_partition;
struct region bp1;
struct region bp2;
struct region bp3;
struct region bp4;
};
typedef void *cse_layout_ptr;
typedef void *bpdt_hdr_ptr;
typedef void *subpart_hdr_ptr;
struct bpdt_entry {
uint32_t type;
uint32_t offset;
uint32_t size;
} __packed;
struct bpdt_ops {
bool (*match_version)(const struct buffer *buff);
bpdt_hdr_ptr (*create_hdr)(void);
void (*print_hdr)(const bpdt_hdr_ptr ptr);
bpdt_hdr_ptr (*read_hdr)(struct buffer *buff);
int (*write_hdr)(struct buffer *buff, const bpdt_hdr_ptr ptr);
size_t (*get_entry_count)(const bpdt_hdr_ptr ptr);
void (*inc_entry_count)(bpdt_hdr_ptr ptr);
cse_layout_ptr (*create_layout)(const struct cse_layout_regions *regions);
void (*print_layout)(const cse_layout_ptr ptr);
cse_layout_ptr (*read_layout)(struct buffer *buff);
int (*write_layout)(struct buffer *buff, const cse_layout_ptr ptr);
void (*update_checksum)(bpdt_hdr_ptr ptr, struct bpdt_entry *entry);
bool (*validate_checksum)(bpdt_hdr_ptr ptr, struct bpdt_entry *entry);
enum subpart_hdr_version subpart_hdr_version;
enum subpart_entry_version subpart_entry_version;
};
struct subpart_hdr_ops {
subpart_hdr_ptr (*read)(struct buffer *buffer);
void (*print)(const subpart_hdr_ptr ptr);
size_t (*get_entry_count)(const subpart_hdr_ptr ptr);
void (*free)(subpart_hdr_ptr ptr);
};
struct subpart_entry_ops {
void (*print)(struct buffer *buff, size_t size);
};
extern const struct bpdt_ops bpdt_1_7_ops;
extern const struct bpdt_ops bpdt_1_6_ops;
extern const struct subpart_hdr_ops subpart_hdr_1_ops;
extern const struct subpart_hdr_ops subpart_hdr_2_ops;
extern const struct subpart_entry_ops subpart_entry_1_ops;
void read_member(struct buffer *buff, void *dst, size_t size);
void write_member(struct buffer *buff, void *src, size_t size);
#endif /* __CBFSTOOL_CSE_SERGER_H__ */
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