c9f231d08b
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/** @file
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QNC Smm Library Services header file.
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Copyright (c) 2013-2015 Intel Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __QNC_SMM_LIB_H__
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#define __QNC_SMM_LIB_H__
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/**
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This routine is the chipset code that accepts a request to "open" a region of SMRAM.
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The region could be legacy ABSEG, HSEG, or TSEG near top of physical memory.
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The use of "open" means that the memory is visible from all boot-service
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and SMM agents.
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@retval FALSE Cannot open a locked SMRAM region
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@retval TRUE Success to open SMRAM region.
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**/
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BOOLEAN
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EFIAPI
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QNCOpenSmramRegion (
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VOID
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);
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/**
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This routine is the chipset code that accepts a request to "close" a region of SMRAM.
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The region could be legacy AB or TSEG near top of physical memory.
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The use of "close" means that the memory is only visible from SMM agents,
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not from BS or RT code.
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@retval FALSE Cannot open a locked SMRAM region
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@retval TRUE Success to open SMRAM region.
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**/
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BOOLEAN
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EFIAPI
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QNCCloseSmramRegion (
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VOID
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);
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/**
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This routine is the chipset code that accepts a request to "lock" SMRAM.
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The region could be legacy AB or TSEG near top of physical memory.
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The use of "lock" means that the memory can no longer be opened
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to BS state.
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**/
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VOID
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EFIAPI
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QNCLockSmramRegion (
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VOID
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);
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#endif
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