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9aeb380277
On pull reuqest https://lists.denx.de/pipermail/u-boot/2020-November/432735.html V4 of the patchset was sent instead of the v5. This is the v4->v5 missing diff Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Defines data structures and APIs that allow an OS to interact with UEFI
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* firmware to query information about the device
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*
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* Copyright (c) 2020, Linaro Limited
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*/
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#if !defined _EFI_TCG2_PROTOCOL_H_
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#define _EFI_TCG2_PROTOCOL_H_
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#include <tpm-v2.h>
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#define EFI_TCG2_PROTOCOL_GUID \
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EFI_GUID(0x607f766c, 0x7455, 0x42be, 0x93, \
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0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f)
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/* TPMV2 only */
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#define TCG2_EVENT_LOG_FORMAT_TCG_2 0x00000002
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/* Algorithm Registry */
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#define EFI_TCG2_BOOT_HASH_ALG_SHA1 0x00000001
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#define EFI_TCG2_BOOT_HASH_ALG_SHA256 0x00000002
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#define EFI_TCG2_BOOT_HASH_ALG_SHA384 0x00000004
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#define EFI_TCG2_BOOT_HASH_ALG_SHA512 0x00000008
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#define EFI_TCG2_BOOT_HASH_ALG_SM3_256 0x00000010
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typedef u32 efi_tcg_event_log_bitmap;
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typedef u32 efi_tcg_event_log_format;
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typedef u32 efi_tcg_event_algorithm_bitmap;
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struct efi_tcg2_version {
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u8 major;
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u8 minor;
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};
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struct efi_tcg2_event_header {
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u32 header_size;
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u16 header_version;
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u32 pcr_index;
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u32 event_type;
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} __packed;
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struct efi_tcg2_event {
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u32 size;
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struct efi_tcg2_event_header header;
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u8 event[];
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} __packed;
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struct efi_tcg2_boot_service_capability {
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u8 size;
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struct efi_tcg2_version structure_version;
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struct efi_tcg2_version protocol_version;
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efi_tcg_event_algorithm_bitmap hash_algorithm_bitmap;
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efi_tcg_event_log_bitmap supported_event_logs;
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u8 tpm_present_flag;
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u16 max_command_size;
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u16 max_response_size;
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u32 manufacturer_id;
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u32 number_of_pcr_banks;
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efi_tcg_event_algorithm_bitmap active_pcr_banks;
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};
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#define boot_service_capability_min \
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sizeof(struct efi_tcg2_boot_service_capability) - \
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offsetof(struct efi_tcg2_boot_service_capability, number_of_pcr_banks)
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struct efi_tcg2_protocol {
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efi_status_t (EFIAPI * get_capability)(struct efi_tcg2_protocol *this,
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struct efi_tcg2_boot_service_capability *capability);
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efi_status_t (EFIAPI * get_eventlog)(struct efi_tcg2_protocol *this,
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efi_tcg_event_log_format log_format,
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u64 *event_log_location, u64 *event_log_last_entry,
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bool *event_log_truncated);
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efi_status_t (EFIAPI * hash_log_extend_event)(struct efi_tcg2_protocol *this,
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u64 flags, u64 data_to_hash,
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u64 data_to_hash_len,
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struct efi_tcg2_event *efi_tcg_event);
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efi_status_t (EFIAPI * submit_command)(struct efi_tcg2_protocol *this,
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u32 input_parameter_block_size,
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u8 *input_parameter_block,
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u32 output_parameter_block_size,
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u8 *output_parameter_block);
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efi_status_t (EFIAPI * get_active_pcr_banks)(struct efi_tcg2_protocol *this,
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u32 *active_pcr_banks);
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efi_status_t (EFIAPI * set_active_pcr_banks)(struct efi_tcg2_protocol *this,
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u32 active_pcr_banks);
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efi_status_t (EFIAPI * get_result_of_set_active_pcr_banks)(struct efi_tcg2_protocol *this,
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u32 *operation_present,
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u32 *response);
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};
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#endif
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