audk/OvmfPkg/Include/Library/TdxMailboxLib.h

77 lines
1.4 KiB
C

/** @file
Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef TDX_MAILBOX_LIB_H_
#define TDX_MAILBOX_LIB_H_
#include <Library/BaseLib.h>
#include <Uefi/UefiBaseType.h>
#include <Uefi/UefiSpec.h>
#include <Pi/PiPeiCis.h>
#include <Library/DebugLib.h>
#include <Protocol/DebugSupport.h>
/**
This function will be called by BSP to get the CPU number.
@retval CPU number
**/
UINT32
EFIAPI
GetCpusNum (
VOID
);
/**
Get the address of Td mailbox.
**/
volatile VOID *
EFIAPI
GetTdxMailBox (
VOID
);
/**
This function will be called by BSP to wakeup APs the are spinning on mailbox
in protected mode
@param[in] Command Command to send APs
@param[in] WakeupVector If used, address for APs to start executing
@param[in] WakeArgsX Args to pass to APs for excuting commands
**/
VOID
EFIAPI
MpSendWakeupCommand (
IN UINT16 Command,
IN UINT64 WakeupVector,
IN UINT64 WakeupArgs1,
IN UINT64 WakeupArgs2,
IN UINT64 WakeupArgs3,
IN UINT64 WakeupArgs4
);
/**
BSP wait until all the APs arriving. It means the task triggered by BSP is started.
**/
VOID
EFIAPI
MpSerializeStart (
VOID
);
/**
BSP wait until all the APs arriving. It means the task triggered by BSP is ended.
**/
VOID
EFIAPI
MpSerializeEnd (
VOID
);
#endif