OvmfPkg/Include/IndustryStandard/IntelTdx.h

   1 /** @file
   2   Defines the defitions used by TDX in OvmfPkg.
   3
   4   Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef OVMF_INTEL_TDX_H_
  10 #define OVMF_INTEL_TDX_H_
  11
  12 #include <PiPei.h>
  13 #include <Library/BaseLib.h>
  14 #include <Uefi/UefiSpec.h>
  15 #include <Uefi/UefiBaseType.h>
  16
  17 #define MP_CPU_PROTECTED_MODE_MAILBOX_APICID_INVALID    0xFFFFFFFF
  18 #define MP_CPU_PROTECTED_MODE_MAILBOX_APICID_BROADCAST  0xFFFFFFFE
  19
  20 typedef enum {
  21   MpProtectedModeWakeupCommandNoop        = 0,
  22   MpProtectedModeWakeupCommandWakeup      = 1,
  23   MpProtectedModeWakeupCommandSleep       = 2,
  24   MpProtectedModeWakeupCommandAcceptPages = 3,
  25 } MP_CPU_PROTECTED_MODE_WAKEUP_CMD;
  26
  27 #pragma pack(1)
  28
  29 //
  30 // Describes the CPU MAILBOX control structure use to
  31 // wakeup cpus spinning in long mode
  32 //
  33 typedef struct {
  34   UINT16    Command;
  35   UINT16    Resv;
  36   UINT32    ApicId;
  37   UINT64    WakeUpVector;
  38   UINT8     ResvForOs[2032];
  39   //
  40   // Arguments available for wakeup code
  41   //
  42   UINT64    WakeUpArgs1;
  43   UINT64    WakeUpArgs2;
  44   UINT64    WakeUpArgs3;
  45   UINT64    WakeUpArgs4;
  46   UINT8     Pad1[0xe0];
  47   UINT64    NumCpusArriving;
  48   UINT8     Pad2[0xf8];
  49   UINT64    NumCpusExiting;
  50   UINT32    Tallies[256];
  51   UINT8     Errors[256];
  52   UINT8     Pad3[0xf8];
  53 } MP_WAKEUP_MAILBOX;
  54
  55 //
  56 // AP relocation code information including code address and size,
  57 // this structure will be shared be C code and assembly code.
  58 // It is natural aligned by design.
  59 //
  60 typedef struct {
  61   UINT8    *RelocateApLoopFuncAddress;
  62   UINTN    RelocateApLoopFuncSize;
  63 } MP_RELOCATION_MAP;
  64
  65 #pragma pack()
  66
  67 #endif