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b26f0cf9ee
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: Laszlo Ersek <lersek@redhat.com>
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
/** @file
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The protocol provides support to allocate, free, map and umap a DMA buffer
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for bus master (e.g PciHostBridge). When SEV is enabled, the DMA operations
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must be performed on unencrypted buffer hence protocol clear the encryption
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bit from the DMA buffer.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2017, AMD Inc. All rights reserved.<BR>
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(C) Copyright 2017 Hewlett Packard Enterprise Development LP<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _AMD_SEV_IOMMU_H_
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#define _AMD_SEV_IOMMU_H_
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#include <Protocol/IoMmu.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemEncryptSevLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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/**
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Install IOMMU protocol to provide the DMA support for PciHostBridge and
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MemEncryptSevLib.
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**/
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EFI_STATUS
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EFIAPI
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AmdSevInstallIoMmuProtocol (
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VOID
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);
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#endif
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