1 files changed, 117 insertions, 0 deletions
diff --git a/src/boot/efi/proto/tcg.h b/src/boot/efi/proto/tcg.h
new file mode 100644
index 0000000..b4b8296
--- /dev/null
+++ b/src/boot/efi/proto/tcg.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "efi.h"
+
+#define EFI_TCG_PROTOCOL_GUID \
+        GUID_DEF(0xf541796d, 0xa62e, 0x4954, 0xa7, 0x75, 0x95, 0x84, 0xf6, 0x1b, 0x9c, 0xdd)
+#define EFI_TCG2_PROTOCOL_GUID \
+        GUID_DEF(0x607f766c, 0x7455, 0x42be, 0x93, 0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f)
+
+#define TCG_ALG_SHA 0x4
+#define EFI_TCG2_EVENT_HEADER_VERSION 1
+#define EV_IPL 13
+#define EV_EVENT_TAG UINT32_C(6)
+
+typedef struct {
+        uint8_t Major;
+        uint8_t Minor;
+        uint8_t RevMajor;
+        uint8_t RevMinor;
+} TCG_VERSION;
+
+typedef struct {
+        uint8_t Major;
+        uint8_t Minor;
+} EFI_TCG2_VERSION;
+
+typedef struct {
+        uint8_t Size;
+        TCG_VERSION StructureVersion;
+        TCG_VERSION ProtocolSpecVersion;
+        uint8_t HashAlgorithmBitmap;
+        bool TPMPresentFlag;
+        bool TPMDeactivatedFlag;
+} EFI_TCG_BOOT_SERVICE_CAPABILITY;
+
+typedef struct {
+        uint8_t Size;
+        EFI_TCG2_VERSION StructureVersion;
+        EFI_TCG2_VERSION ProtocolVersion;
+        uint32_t HashAlgorithmBitmap;
+        uint32_t SupportedEventLogs;
+        bool TPMPresentFlag;
+        uint16_t MaxCommandSize;
+        uint16_t MaxResponseSize;
+        uint32_t ManufacturerID;
+        uint32_t NumberOfPCRBanks;
+        uint32_t ActivePcrBanks;
+} EFI_TCG2_BOOT_SERVICE_CAPABILITY;
+
+typedef struct {
+        uint32_t PCRIndex;
+        uint32_t EventType;
+        struct {
+                uint8_t Digest[20];
+        } Digest;
+        uint32_t EventSize;
+        uint8_t Event[];
+} _packed_ TCG_PCR_EVENT;
+
+typedef struct {
+        uint32_t HeaderSize;
+        uint16_t HeaderVersion;
+        uint32_t PCRIndex;
+        uint32_t EventType;
+} _packed_ EFI_TCG2_EVENT_HEADER;
+
+typedef struct {
+        uint32_t Size;
+        EFI_TCG2_EVENT_HEADER Header;
+        uint8_t Event[];
+} _packed_ EFI_TCG2_EVENT;
+
+typedef struct {
+        uint32_t EventId;
+        uint32_t EventSize;
+        uint8_t Event[];
+} _packed_ EFI_TCG2_TAGGED_EVENT;
+
+typedef struct EFI_TCG_PROTOCOL EFI_TCG_PROTOCOL;
+struct EFI_TCG_PROTOCOL {
+        EFI_STATUS (EFIAPI *StatusCheck)(
+                        EFI_TCG_PROTOCOL *This,
+                        EFI_TCG_BOOT_SERVICE_CAPABILITY *ProtocolCapability,
+                        uint32_t *TCGFeatureFlags,
+                        EFI_PHYSICAL_ADDRESS *EventLogLocation,
+                        EFI_PHYSICAL_ADDRESS *EventLogLastEntry);
+        void *HashAll;
+        void *LogEvent;
+        void *PassThroughToTpm;
+        EFI_STATUS (EFIAPI *HashLogExtendEvent)(
+                        EFI_TCG_PROTOCOL *This,
+                        EFI_PHYSICAL_ADDRESS HashData,
+                        uint64_t HashDataLen,
+                        uint32_t AlgorithmId,
+                        TCG_PCR_EVENT *TCGLogData,
+                        uint32_t *EventNumber,
+                        EFI_PHYSICAL_ADDRESS *EventLogLastEntry);
+};
+
+typedef struct EFI_TCG2_PROTOCOL EFI_TCG2_PROTOCOL;
+struct EFI_TCG2_PROTOCOL {
+        EFI_STATUS (EFIAPI *GetCapability)(
+                        EFI_TCG2_PROTOCOL *This,
+                        EFI_TCG2_BOOT_SERVICE_CAPABILITY *ProtocolCapability);
+        void *GetEventLog;
+        EFI_STATUS (EFIAPI *HashLogExtendEvent)(
+                        EFI_TCG2_PROTOCOL *This,
+                        uint64_t Flags,
+                        EFI_PHYSICAL_ADDRESS DataToHash,
+                        uint64_t DataToHashLen,
+                        EFI_TCG2_EVENT *EfiTcgEvent);
+        void *SubmitCommand;
+        void *GetActivePcrBanks;
+        void *SetActivePcrBanks;
+        void *GetResultOfSetActivePcrBanks;
+};