| /** @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 |
| |