92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __CBFSTOOL_CSE_SERGER_H__
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#define __CBFSTOOL_CSE_SERGER_H__
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#include <commonlib/endian.h>
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#include <commonlib/region.h>
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#include "common.h"
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#include "cse_helpers.h"
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#define BPDT_SIGNATURE (0x000055AA)
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#define BUFF_SIZE_ALIGN (4 * KiB)
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enum bpdt_version {
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BPDT_VERSION_1_6 = 1,
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BPDT_VERSION_1_7 = 2,
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};
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enum subpart_hdr_version {
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SUBPART_HDR_VERSION_1 = 1,
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SUBPART_HDR_VERSION_2 = 2,
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};
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enum subpart_entry_version {
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SUBPART_ENTRY_VERSION_1 = 1,
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};
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enum {
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DP,
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BP1,
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BP2,
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BP3,
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BP4,
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BP_TOTAL,
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};
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typedef void *cse_layout_ptr;
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typedef void *bpdt_hdr_ptr;
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typedef void *subpart_hdr_ptr;
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struct bpdt_entry {
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uint32_t type;
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uint32_t offset;
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uint32_t size;
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} __packed;
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struct bpdt_ops {
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bool (*match_version)(const struct buffer *buff);
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bpdt_hdr_ptr (*create_hdr)(void);
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void (*print_hdr)(const bpdt_hdr_ptr ptr);
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bpdt_hdr_ptr (*read_hdr)(struct buffer *buff);
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int (*write_hdr)(struct buffer *buff, const bpdt_hdr_ptr ptr);
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size_t (*get_entry_count)(const bpdt_hdr_ptr ptr);
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void (*inc_entry_count)(bpdt_hdr_ptr ptr);
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cse_layout_ptr (*create_layout)(const struct region *regions);
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void (*print_layout)(const cse_layout_ptr ptr);
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cse_layout_ptr (*read_layout)(struct buffer *buff);
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int (*write_layout)(struct buffer *buff, const cse_layout_ptr ptr);
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void (*update_checksum)(bpdt_hdr_ptr ptr, struct bpdt_entry *entry);
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bool (*validate_checksum)(bpdt_hdr_ptr ptr, struct bpdt_entry *entry);
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enum subpart_hdr_version subpart_hdr_version;
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enum subpart_entry_version subpart_entry_version;
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};
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struct subpart_hdr_ops {
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subpart_hdr_ptr (*read)(struct buffer *buffer);
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void (*print)(const subpart_hdr_ptr ptr);
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size_t (*get_entry_count)(const subpart_hdr_ptr ptr);
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void (*free)(subpart_hdr_ptr ptr);
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};
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struct subpart_entry_ops {
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void (*print)(struct buffer *buff, size_t size);
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};
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extern const struct bpdt_ops bpdt_1_7_ops;
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extern const struct bpdt_ops bpdt_1_6_ops;
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extern const struct subpart_hdr_ops subpart_hdr_1_ops;
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extern const struct subpart_hdr_ops subpart_hdr_2_ops;
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extern const struct subpart_entry_ops subpart_entry_1_ops;
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#endif /* __CBFSTOOL_CSE_SERGER_H__ */
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