/* 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