blob: 7262704d6b147d6409041e968122d0e436721259 [file] [log] [blame]
/** @file
Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/BaseLib.h>
#include "BaseIoLibIntrinsicInternal.h"
#include "IoLibTdx.h"
/**
Check if it is Tdx guest.
@return TRUE It is Tdx guest
@return FALSE It is not Tdx guest
**/
BOOLEAN
EFIAPI
IsTdxGuest (
VOID
)
{
return FALSE;
}
/**
Reads an 8-bit I/O port.
TDVMCALL_IO is invoked to read I/O port.
@param Port The I/O port to read.
@return The value read.
**/
UINT8
EFIAPI
TdIoRead8 (
IN UINTN Port
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads a 16-bit I/O port.
TDVMCALL_IO is invoked to write I/O port.
@param Port The I/O port to read.
@return The value read.
**/
UINT16
EFIAPI
TdIoRead16 (
IN UINTN Port
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads a 32-bit I/O port.
TDVMCALL_IO is invoked to read I/O port.
@param Port The I/O port to read.
@return The value read.
**/
UINT32
EFIAPI
TdIoRead32 (
IN UINTN Port
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes an 8-bit I/O port.
TDVMCALL_IO is invoked to write I/O port.
@param Port The I/O port to write.
@param Value The value to write to the I/O port.
@return The value written the I/O port.
**/
UINT8
EFIAPI
TdIoWrite8 (
IN UINTN Port,
IN UINT8 Value
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes a 16-bit I/O port.
TDVMCALL_IO is invoked to write I/O port.
@param Port The I/O port to write.
@param Value The value to write to the I/O port.
@return The value written the I/O port.
**/
UINT16
EFIAPI
TdIoWrite16 (
IN UINTN Port,
IN UINT16 Value
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes a 32-bit I/O port.
TDVMCALL_IO is invoked to write I/O port.
@param Port The I/O port to write.
@param Value The value to write to the I/O port.
@return The value written the I/O port.
**/
UINT32
EFIAPI
TdIoWrite32 (
IN UINTN Port,
IN UINT32 Value
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads an 8-bit MMIO register.
TDVMCALL_MMIO is invoked to read MMIO registers.
@param Address The MMIO register to read.
@return The value read.
**/
UINT8
EFIAPI
TdMmioRead8 (
IN UINTN Address
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes an 8-bit MMIO register.
TDVMCALL_MMIO is invoked to read write registers.
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@return Value.
**/
UINT8
EFIAPI
TdMmioWrite8 (
IN UINTN Address,
IN UINT8 Val
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads a 16-bit MMIO register.
TDVMCALL_MMIO is invoked to read MMIO registers.
@param Address The MMIO register to read.
@return The value read.
**/
UINT16
EFIAPI
TdMmioRead16 (
IN UINTN Address
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes a 16-bit MMIO register.
TDVMCALL_MMIO is invoked to write MMIO registers.
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@return Value.
**/
UINT16
EFIAPI
TdMmioWrite16 (
IN UINTN Address,
IN UINT16 Val
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads a 32-bit MMIO register.
TDVMCALL_MMIO is invoked to read MMIO registers.
@param Address The MMIO register to read.
@return The value read.
**/
UINT32
EFIAPI
TdMmioRead32 (
IN UINTN Address
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes a 32-bit MMIO register.
TDVMCALL_MMIO is invoked to write MMIO registers.
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@return Value.
**/
UINT32
EFIAPI
TdMmioWrite32 (
IN UINTN Address,
IN UINT32 Val
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads a 64-bit MMIO register.
TDVMCALL_MMIO is invoked to read MMIO registers.
@param Address The MMIO register to read.
@return The value read.
**/
UINT64
EFIAPI
TdMmioRead64 (
IN UINTN Address
)
{
ASSERT (FALSE);
return 0;
}
/**
Writes a 64-bit MMIO register.
TDVMCALL_MMIO is invoked to write MMIO registers.
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
**/
UINT64
EFIAPI
TdMmioWrite64 (
IN UINTN Address,
IN UINT64 Value
)
{
ASSERT (FALSE);
return 0;
}
/**
Reads an 8-bit I/O port fifo into a block of memory.
Reads the 8-bit I/O fifo port specified by Port.
The port is read Count times, and the read data is
stored in the provided Buffer.
This function must guarantee that all I/O read and write operations are
serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
In TDX a serial of TdIoRead8 is invoked to read the I/O port fifo.
@param Port The I/O port to read.
@param Count The number of times to read I/O port.
@param Buffer The buffer to store the read data into.
**/
VOID
EFIAPI
TdIoReadFifo8 (
IN UINTN Port,
IN UINTN Count,
OUT VOID *Buffer
)
{
ASSERT (FALSE);
}
/**
Writes a block of memory into an 8-bit I/O port fifo.
Writes the 8-bit I/O fifo port specified by Port.
The port is written Count times, and the write data is
retrieved from the provided Buffer.
This function must guarantee that all I/O write and write operations are
serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
In TDX a serial of TdIoWrite8 is invoked to write data to the I/O port.
@param Port The I/O port to write.
@param Count The number of times to write I/O port.
@param Buffer The buffer to retrieve the write data from.
**/
VOID
EFIAPI
TdIoWriteFifo8 (
IN UINTN Port,
IN UINTN Count,
IN VOID *Buffer
)
{
ASSERT (FALSE);
}
/**
Reads a 16-bit I/O port fifo into a block of memory.
Reads the 16-bit I/O fifo port specified by Port.
The port is read Count times, and the read data is
stored in the provided Buffer.
This function must guarantee that all I/O read and write operations are
serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
In TDX a serial of TdIoRead16 is invoked to read data from the I/O port.
@param Port The I/O port to read.
@param Count The number of times to read I/O port.
@param Buffer The buffer to store the read data into.
**/
VOID
EFIAPI
TdIoReadFifo16 (
IN UINTN Port,
IN UINTN Count,
OUT VOID *Buffer
)
{
ASSERT (FALSE);
}
/**
Writes a block of memory into a 16-bit I/O port fifo.
Writes the 16-bit I/O fifo port specified by Port.
The port is written Count times, and the write data is
retrieved from the provided Buffer.
This function must guarantee that all I/O write and write operations are
serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
In TDX a serial of TdIoWrite16 is invoked to write data to the I/O port.
@param Port The I/O port to write.
@param Count The number of times to write I/O port.
@param Buffer The buffer to retrieve the write data from.
**/
VOID
EFIAPI
TdIoWriteFifo16 (
IN UINTN Port,
IN UINTN Count,
IN VOID *Buffer
)
{
ASSERT (FALSE);
}
/**
Reads a 32-bit I/O port fifo into a block of memory.
Reads the 32-bit I/O fifo port specified by Port.
The port is read Count times, and the read data is
stored in the provided Buffer.
This function must guarantee that all I/O read and write operations are
serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
In TDX a serial of TdIoRead32 is invoked to read data from the I/O port.
@param Port The I/O port to read.
@param Count The number of times to read I/O port.
@param Buffer The buffer to store the read data into.
**/
VOID
EFIAPI
TdIoReadFifo32 (
IN UINTN Port,
IN UINTN Count,
OUT VOID *Buffer
)
{
ASSERT (FALSE);
}
/**
Writes a block of memory into a 32-bit I/O port fifo.
Writes the 32-bit I/O fifo port specified by Port.
The port is written Count times, and the write data is
retrieved from the provided Buffer.
This function must guarantee that all I/O write and write operations are
serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
In TDX a serial of TdIoWrite32 is invoked to write data to the I/O port.
@param Port The I/O port to write.
@param Count The number of times to write I/O port.
@param Buffer The buffer to retrieve the write data from.
**/
VOID
EFIAPI
TdIoWriteFifo32 (
IN UINTN Port,
IN UINTN Count,
IN VOID *Buffer
)
{
ASSERT (FALSE);
}