/** @file | |
Provides services for SMM IO Operation. | |
The SMM IO Library provides function for checking if IO resource is accessible inside of SMM. | |
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#ifndef _SMM_IO_LIB_H_ | |
#define _SMM_IO_LIB_H_ | |
/** | |
This function check if the MMIO resource is valid per processor architecture and | |
valid per platform design. | |
@param BaseAddress The MMIO start address to be checked. | |
@param Length The MMIO length to be checked. | |
@param Owner A GUID representing the owner of the resource. | |
This GUID may be used by producer to correlate the device ownership of the resource. | |
NULL means no specific owner. | |
@retval TRUE This MMIO resource is valid per processor architecture and valid per platform design. | |
@retval FALSE This MMIO resource is not valid per processor architecture or valid per platform design. | |
**/ | |
BOOLEAN | |
EFIAPI | |
SmmIsMmioValid ( | |
IN EFI_PHYSICAL_ADDRESS BaseAddress, | |
IN UINT64 Length, | |
IN EFI_GUID *Owner OPTIONAL | |
); | |
#endif |