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