From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mx.groups.io with SMTP id smtpd.web09.3237.1663027349527091004 for ; Mon, 12 Sep 2022 17:02:49 -0700 Authentication-Results: mx.groups.io; dkim=fail reason="unable to parse pub key" header.i=@intel.com header.s=intel header.b=Q+atft7p; spf=pass (domain: intel.com, ip: 192.55.52.43, mailfrom: min.m.xu@intel.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663027369; x=1694563369; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nVX9WYhWhxOKG1SqeWW3ncU+kPtGb8pZ8OdoHED7TFs=; b=Q+atft7pHyuStWkprBUpbSQFcoNS0SY8ybeC3S82JI8R0rsrWBcosQgm vnQTVoiru2qgbbEODEt1FRRqOinhFqulvuSWWg0/axxPLuxxgE6wzRLRc qwyhSAaTPVEeGQ1vvJBi4bKFwjGqzhuylWq2kNdJPJIv7SK/MYLSezWdF pmF7hbulVXFliF6Sa0VlRAzo1kmFIEqPcx1L2DjFqySUJbfu0+7nyIHxJ L+UB5iqaVlkWH8jL6fn/ugOhyAsoWPReF5bfrXNtLO1qo8XnzChpL4p8h 07nuFammcr6zTC9p2PAcQ8hg6bQGV1/T95gsmN2aoUexD3jf7jHPhZrPn Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10468"; a="384294506" X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="384294506" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2022 17:02:48 -0700 X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="678320937" Received: from mxu9-mobl1.ccr.corp.intel.com ([10.254.212.104]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2022 17:02:45 -0700 From: "Min Xu" To: devel@edk2.groups.io Cc: Jiaqi Gao , Michael D Kinney , Liming Gao , Zhiguang Liu , Erdem Aktas , Gerd Hoffmann , James Bottomley , Jiewen Yao , Tom Lendacky , Min Xu Subject: [PATCH V4 08/10] MdePkg: The prototype definition of EdkiiMemoryAcceptProtocol Date: Tue, 13 Sep 2022 08:02:12 +0800 Message-Id: <437cf3371272ec5412d3f0011f578c844a973101.1663026445.git.min.m.xu@intel.com> X-Mailer: git-send-email 2.29.2.windows.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jiaqi Gao 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 Cc: Liming Gao Cc: Zhiguang Liu Cc: Erdem Aktas Cc: Gerd Hoffmann Cc: James Bottomley Cc: Jiewen Yao Cc: Tom Lendacky Acked-by: Gerd Hoffmann Signed-off-by: Jiaqi Gao Signed-off-by: Min Xu --- 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..f7646e04d8a1 --- /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.
+ 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 diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index f1ebf9e251c1..6b6bfbec29b3 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 + 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 }} -- 2.29.2.windows.2