2f88bd3a12
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/** @file
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Null instance of MM Unblock Page Library.
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This library provides an interface to request non-MMRAM pages to be mapped/unblocked
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from inside MM environment.
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For MM modules that need to access regions outside of MMRAMs, the agents that set up
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these regions are responsible for invoking this API in order for these memory areas
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to be accessed from inside MM.
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Copyright (c) Microsoft Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Base.h>
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/**
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This API provides a way to unblock certain data pages to be accessible inside MM environment.
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@param UnblockAddress The address of buffer caller requests to unblock, the address
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has to be page aligned.
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@param NumberOfPages The number of pages requested to be unblocked from MM
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environment.
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@retval RETURN_SUCCESS The request goes through successfully.
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@retval RETURN_NOT_AVAILABLE_YET The requested functionality is not produced yet.
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@retval RETURN_UNSUPPORTED The requested functionality is not supported on current platform.
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@retval RETURN_SECURITY_VIOLATION The requested address failed to pass security check for
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unblocking.
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@retval RETURN_INVALID_PARAMETER Input address either NULL pointer or not page aligned.
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@retval RETURN_ACCESS_DENIED The request is rejected due to system has passed certain boot
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phase.
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**/
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RETURN_STATUS
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EFIAPI
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MmUnblockMemoryRequest (
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IN PHYSICAL_ADDRESS UnblockAddress,
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IN UINT64 NumberOfPages
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)
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{
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return RETURN_UNSUPPORTED;
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}
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