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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#ifndef _INTEL_GSC_BINARY_HEADERS_H_
#define _INTEL_GSC_BINARY_HEADERS_H_
#include <linux/types.h>
/* Code partition directory (CPD) structures */
struct intel_gsc_cpd_header_v2 {
u32 header_marker;
#define INTEL_GSC_CPD_HEADER_MARKER 0x44504324
u32 num_of_entries;
u8 header_version;
u8 entry_version;
u8 header_length; /* in bytes */
u8 flags;
u32 partition_name;
u32 crc32;
} __packed;
struct intel_gsc_cpd_entry {
u8 name[12];
/*
* Bits 0-24: offset from the beginning of the code partition
* Bit 25: huffman compressed
* Bits 26-31: reserved
*/
u32 offset;
#define INTEL_GSC_CPD_ENTRY_OFFSET_MASK GENMASK(24, 0)
#define INTEL_GSC_CPD_ENTRY_HUFFMAN_COMP BIT(25)
/*
* Module/Item length, in bytes. For Huffman-compressed modules, this
* refers to the uncompressed size. For software-compressed modules,
* this refers to the compressed size.
*/
u32 length;
u8 reserved[4];
} __packed;
struct intel_gsc_version {
u16 major;
u16 minor;
u16 hotfix;
u16 build;
} __packed;
struct intel_gsc_manifest_header {
u32 header_type; /* 0x4 for manifest type */
u32 header_length; /* in dwords */
u32 header_version;
u32 flags;
u32 vendor;
u32 date;
u32 size; /* In dwords, size of entire manifest (header + extensions) */
u32 header_id;
u32 internal_data;
struct intel_gsc_version fw_version;
u32 security_version;
struct intel_gsc_version meu_kit_version;
u32 meu_manifest_version;
u8 general_data[4];
u8 reserved3[56];
u32 modulus_size; /* in dwords */
u32 exponent_size; /* in dwords */
} __packed;
#endif
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