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Last change
on this file was 99404, checked in by vboxsync, 22 months ago |
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Devices/EFI/FirmwareNew: Update to edk2-stable202302 and make it build, bugref:4643
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| 1 | /** @file
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| 2 | Provides services for SMM IO Operation.
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| 3 |
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| 4 | The SMM IO Library provides function for checking if IO resource is accessible inside of SMM.
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| 5 |
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| 6 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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| 7 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 8 |
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| 9 | **/
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| 10 |
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| 11 | #ifndef _SMM_IO_LIB_H_
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| 12 | #define _SMM_IO_LIB_H_
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| 13 |
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| 14 | /**
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| 15 | This function check if the MMIO resource is valid per processor architecture and
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| 16 | valid per platform design.
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| 17 |
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| 18 | @param BaseAddress The MMIO start address to be checked.
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| 19 | @param Length The MMIO length to be checked.
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| 20 | @param Owner A GUID representing the owner of the resource.
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| 21 | This GUID may be used by producer to correlate the device ownership of the resource.
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| 22 | NULL means no specific owner.
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| 23 |
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| 24 | @retval TRUE This MMIO resource is valid per processor architecture and valid per platform design.
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| 25 | @retval FALSE This MMIO resource is not valid per processor architecture or valid per platform design.
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| 26 | **/
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| 27 | BOOLEAN
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| 28 | EFIAPI
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| 29 | SmmIsMmioValid (
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| 30 | IN EFI_PHYSICAL_ADDRESS BaseAddress,
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| 31 | IN UINT64 Length,
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| 32 | IN EFI_GUID *Owner OPTIONAL
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| 33 | );
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| 34 |
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| 35 | #endif
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