Hi
I don't remember it is accepted in UEFI protocol.
As such, we cannot use EFI_ prefix, and we cannot put it to MdePkg.
I recommend we use EDKII_ prefix, and move it to MdeModulePkg as first step.
Thank you
Yao Jiewen
> -----Original Message-----
> From: Xu, Min M <min.m.xu@intel.com>
> Sent: Monday, June 6, 2022 11:00 AM
> To: devel@edk2.groups.io
> Cc: Gao, Jiaqi <jiaqi.gao@intel.com>; Kinney, Michael D
> <michael.d.kinney@intel.com>; Gao, Liming <gaoliming@byosoft.com.cn>; Liu,
> Zhiguang <zhiguang.liu@intel.com>; Aktas, Erdem <erdemaktas@google.com>;
> Gerd Hoffmann <kraxel@redhat.com>; James Bottomley <jejb@linux.ibm.com>;
> Yao, Jiewen <jiewen.yao@intel.com>; Tom Lendacky
> <thomas.lendacky@amd.com>; Xu, Min M <min.m.xu@intel.com>
> Subject: [PATCH 12/14] MdePkg: The prototype definition of
> EfiMemoryAcceptProtocol
>
> From: Jiaqi Gao <jiaqi.gao@intel.com>
>
> RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3937
>
> EfiMemoryAcceptProtocol is defined in MdePkg, the method AcceptMemory()
> can be called when memory needs to be accepted.
>
> EfiMemoryAcceptProtocol 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>
> Signed-off-by: Jiaqi Gao <jiaqi.gao@intel.com>
> Signed-off-by: Min Xu <min.m.xu@intel.com>
> ---
> MdePkg/Include/Protocol/MemoryAccept.h | 37
> ++++++++++++++++++++++++++
> MdePkg/MdePkg.dec | 3 +++
> 2 files changed, 40 insertions(+)
> create mode 100644 MdePkg/Include/Protocol/MemoryAccept.h
>
> diff --git a/MdePkg/Include/Protocol/MemoryAccept.h
> b/MdePkg/Include/Protocol/MemoryAccept.h
> new file mode 100644
> index 000000000000..27b43ce81126
> --- /dev/null
> +++ b/MdePkg/Include/Protocol/MemoryAccept.h
> @@ -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 EFI_MEMORY_ACCEPT_PROTOCOL_GUID \
> + { 0x38c74800, 0x5590, 0x4db4, { 0xa0, 0xf3, 0x67, 0x5d, 0x9b, 0x8e, 0x80,
> 0x26 } };
> +
> +typedef struct _EFI_MEMORY_ACCEPT_PROTOCOL
> EFI_MEMORY_ACCEPT_PROTOCOL;
> +
> +/**
> + @param This A pointer to a MEMORY_ACCEPT_PROTOCOL.
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *EFI_ACCEPT_MEMORY)(
> + IN EFI_MEMORY_ACCEPT_PROTOCOL *This,
> + IN EFI_PHYSICAL_ADDRESS StartAddress,
> + IN UINTN Size
> + );
> +
> +///
> +/// The MEMORY_ACCEPT_PROTOCOL provides the ability for memory services
> +/// to accept memory.
> +///
> +struct _EFI_MEMORY_ACCEPT_PROTOCOL {
> + EFI_ACCEPT_MEMORY AcceptMemory;
> +};
> +
> +extern EFI_GUID gEfiMemoryAcceptProtocolGuid;
> +
> +#endif
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
> index f1ebf9e251c1..de3c56758b95 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -1019,6 +1019,9 @@
> gEfiPeiDelayedDispatchPpiGuid = { 0x869c711d, 0x649c, 0x44fe, { 0x8b, 0x9e,
> 0x2c, 0xbb, 0x29, 0x11, 0xc3, 0xe6 }}
>
> [Protocols]
> + ## Include/Protocol/MemoryAccept.h
> + gEfiMemoryAcceptProtocolGuid = { 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 }}
>
> --
> 2.29.2.windows.2
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