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MdePkg: The prototype definition of EdkiiMemoryAcceptProtocol

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RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3937

EdkiiMemoryAcceptProtocol is defined in MdePkg, the method AcceptMemory()
can be called when memory needs to be accepted.

EdkiiMemoryAcceptProtocol can be installed by architecture-specific
drivers such as TdxDxe. This allows different isolation architectures
to realize their own low-level methods to accept memory.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Jiaqi Gao <jiaqi.gao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
This commit is contained in:
Jiaqi Gao 2022-11-01 13:13:47 +08:00 committed by mergify[bot]
parent d1e41c620f
commit 2af33db365
2 changed files with 40 additions and 0 deletions
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37
MdePkg/Include/Protocol/MemoryAccept.h Normal file
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@ -0,0 +1,37 @@
/** @file
The file provides the protocol to provide interface to accept memory.
Copyright (c) 2021 - 2022, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef MEMORY_ACCEPT_H_
#define MEMORY_ACCEPT_H_
#define EDKII_MEMORY_ACCEPT_PROTOCOL_GUID \
{ 0x38c74800, 0x5590, 0x4db4, { 0xa0, 0xf3, 0x67, 0x5d, 0x9b, 0x8e, 0x80, 0x26 } };
typedef struct _EDKII_MEMORY_ACCEPT_PROTOCOL EDKII_MEMORY_ACCEPT_PROTOCOL;
/**
@param This A pointer to a EDKII_MEMORY_ACCEPT_PROTOCOL.
**/
typedef
EFI_STATUS
(EFIAPI *EDKII_ACCEPT_MEMORY)(
IN EDKII_MEMORY_ACCEPT_PROTOCOL *This,
IN EFI_PHYSICAL_ADDRESS StartAddress,
IN UINTN Size
);
///
/// The EDKII_MEMORY_ACCEPT_PROTOCOL provides the ability for memory services
/// to accept memory.
///
struct _EDKII_MEMORY_ACCEPT_PROTOCOL {
EDKII_ACCEPT_MEMORY AcceptMemory;
};
extern EFI_GUID gEdkiiMemoryAcceptProtocolGuid;
#endif

3
MdePkg/MdePkg.dec
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@ -1023,6 +1023,9 @@
gEfiPeiDelayedDispatchPpiGuid = { 0x869c711d, 0x649c, 0x44fe, { 0x8b, 0x9e, 0x2c, 0xbb, 0x29, 0x11, 0xc3, 0xe6 }}
[Protocols]
## Include/Protocol/MemoryAccept.h
gEdkiiMemoryAcceptProtocolGuid = { 0x38c74800, 0x5590, 0x4db4, { 0xa0, 0xf3, 0x67, 0x5d, 0x9b, 0x8e, 0x80, 0x26 }}
## Include/Protocol/Pcd.h
gPcdProtocolGuid = { 0x11B34006, 0xD85B, 0x4D0A, { 0xA2, 0x90, 0xD5, 0xA5, 0x71, 0x31, 0x0E, 0xF7 }}