audk/OvmfPkg/Include/IndustryStandard/IntelTdx.h

68 lines
1.7 KiB
C

/** @file
Defines the defitions used by TDX in OvmfPkg.
Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef OVMF_INTEL_TDX_H_
#define OVMF_INTEL_TDX_H_
#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Uefi/UefiSpec.h>
#include <Uefi/UefiBaseType.h>
#define MP_CPU_PROTECTED_MODE_MAILBOX_APICID_INVALID 0xFFFFFFFF
#define MP_CPU_PROTECTED_MODE_MAILBOX_APICID_BROADCAST 0xFFFFFFFE
typedef enum {
MpProtectedModeWakeupCommandNoop = 0,
MpProtectedModeWakeupCommandWakeup = 1,
MpProtectedModeWakeupCommandSleep = 2,
MpProtectedModeWakeupCommandAcceptPages = 3,
} MP_CPU_PROTECTED_MODE_WAKEUP_CMD;
#pragma pack(1)
//
// Describes the CPU MAILBOX control structure use to
// wakeup cpus spinning in long mode
//
typedef struct {
UINT16 Command;
UINT16 Resv;
UINT32 ApicId;
UINT64 WakeUpVector;
UINT8 ResvForOs[2032];
//
// Arguments available for wakeup code
//
UINT64 WakeUpArgs1;
UINT64 WakeUpArgs2;
UINT64 WakeUpArgs3;
UINT64 WakeUpArgs4;
UINT8 Pad1[0xe0];
UINT64 NumCpusArriving;
UINT8 Pad2[0xf8];
UINT64 NumCpusExiting;
UINT32 Tallies[256];
UINT8 Errors[256];
UINT8 Pad3[0xf8];
} MP_WAKEUP_MAILBOX;
//
// AP relocation code information including code address and size,
// this structure will be shared be C code and assembly code.
// It is natural aligned by design.
//
typedef struct {
UINT8 *RelocateApLoopFuncAddress;
UINTN RelocateApLoopFuncSize;
} MP_RELOCATION_MAP;
#pragma pack()
#endif