From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f174.google.com (mail-pg1-f174.google.com [209.85.215.174]) by mx.groups.io with SMTP id smtpd.web11.1479.1641521747425755944 for ; Thu, 06 Jan 2022 18:15:47 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@gmail.com header.s=20210112 header.b=hTsBDhIS; spf=pass (domain: gmail.com, ip: 209.85.215.174, mailfrom: kuqin12@gmail.com) Received: by mail-pg1-f174.google.com with SMTP id g2so4171519pgo.9 for ; Thu, 06 Jan 2022 18:15:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=c3gNBrZJSjEB7uMcuTpXEcLqG+CtVozPYSfqZujzrSE=; b=hTsBDhISjX9iEctN1j3/2V/gR2YnLBqsNaz6heCkgEGL4sod+4bLKvezrlfBBRcw29 nCpM7YIRbPxgjDNF3n586hFGJHKBsN9iR8uV1abhVh5pKVXVlgVgGUxx62Ec5bUnUQJ/ YDdzcFwWUaVbBs4TUyRCL+HMmTSjqMOq1mnw6UKUALTFH7AyG49gEBW2gLR9DMBIFxXa /ZlU1rpwBOLKAOvqytsgc9H76yCUGnFes+nF7qydvSnMO1EAVkA/khzEfcQIbfB97PPK b24mk8LqvZRef4gMUBDl7C/RDxwwWPlHyWdmfpVzh5oWCeadyegZFgc+UOQAHU97kLrH DPGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=c3gNBrZJSjEB7uMcuTpXEcLqG+CtVozPYSfqZujzrSE=; b=UnihXVdE0Bgh6RraqRvBHS6a4OPWbAGI9qITAn5rnqcSeyJrknbLPB4BBPSy2EmZMh hTfpi/i0H7+9GElpXmxGOHt3NqAPI7OscbYCMpVZelM+GrcQJuKTYw2eM7LyLZzB21w9 SPN41SEgy57GJFa3/H7tLFpsKT51Chamu4hisAHl4ZaHIJLxpNE7MS+pYxaS5zXtVhqq 8xO50QbpGGKyGeqUyccsDyX1fsOJlK4O8Gz563jjYgYFplwsWW63PbbpQhtBRxYidM7q ENPRpCj8uxpqXLsasKGdWcwhotHn/4CFneCtFUwla6tjCxHamWIuKb/KlrlW9Ky9KlJj 8aZg== X-Gm-Message-State: AOAM531Rt4IisAOIebNVdJy6yxoxa7M8SLlGi+TUqb1c0w6QjVuH8rvs HT4UsxHZUK3gsDaIN/2UrFLRzzBLon0= X-Google-Smtp-Source: ABdhPJz9swZccxr0nF/LjaiKHS/VaekeIq+HCMwvtC4g/2yrQhmHOHP0MMfCT+nOgvLH8HXSUK29Rg== X-Received: by 2002:a05:6a00:2401:b0:4bb:45fc:7829 with SMTP id z1-20020a056a00240100b004bb45fc7829mr63568406pfh.38.1641521746389; Thu, 06 Jan 2022 18:15:46 -0800 (PST) Return-Path: Received: from localhost.localdomain ([50.35.74.198]) by smtp.gmail.com with ESMTPSA id j3sm3894875pfc.196.2022.01.06.18.15.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jan 2022 18:15:46 -0800 (PST) From: "Kun Qin" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu , Hao A Wu , =?UTF-8?q?Marvin=20H=C3=A4user?= , Bret Barkelew , Michael Kubacki Subject: [PATCH v4 4/7] MdePkg: MmCommunication: Introduce EFI_PEI_MM_COMMUNICATION3_PPI to MdePkg Date: Thu, 6 Jan 2022 18:15:29 -0800 Message-Id: <20220107021532.1322-5-kuqin12@gmail.com> X-Mailer: git-send-email 2.34.1.windows.1 In-Reply-To: <20220107021532.1322-1-kuqin12@gmail.com> References: <20220107021532.1322-1-kuqin12@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3398 REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3430 This change introduces a new definition for MM communicate PPI v3. This PPI will be installed under a new GUID in contrast to exisiting EFI_PEI_MM_COMMUNICATION_PPI. Data communicated to MM through EFI_PEI_MM_COMMUNICATION3_PPI should always start with EFI_MM_COMMUNICATE_HEADER_V3 with its HeaderGuid, Signature and Version fields properly populated. Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Cc: Hao A Wu Cc: Marvin Häuser Cc: Bret Barkelew Cc: Michael Kubacki Signed-off-by: Kun Qin --- Notes: v3: - Newly introduced v3 communicate PPI v4: - Rebased with uncrustify changes. MdePkg/Include/Ppi/MmCommunication3.h | 57 ++++++++++++++++++++ MdePkg/MdePkg.dec | 3 ++ 2 files changed, 60 insertions(+) diff --git a/MdePkg/Include/Ppi/MmCommunication3.h b/MdePkg/Include/Ppi/MmCommunication3.h new file mode 100644 index 000000000000..1cc75c38c012 --- /dev/null +++ b/MdePkg/Include/Ppi/MmCommunication3.h @@ -0,0 +1,57 @@ +/** @file + EFI MM Communication v3 PPI definition. + + This Ppi provides a means of communicating between PEIM and MMI + handlers inside of MM. + +Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.
+Copyright (c) Microsoft Corporation. + +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef MM_COMMUNICATION3_PPI_H_ +#define MM_COMMUNICATION3_PPI_H_ + +#include + +#define EFI_PEI_MM_COMMUNICATION3_PPI_GUID \ + { \ + 0xe70febf6, 0x13ef, 0x4a21, { 0x89, 0x9e, 0xb2, 0x36, 0xf8, 0x25, 0xff, 0xc9 } \ + } + +typedef struct _EFI_PEI_MM_COMMUNICATION3_PPI EFI_PEI_MM_COMMUNICATION3_PPI; + +/** + Communicates with a registered handler. + + This function provides a service to send and receive messages from a registered UEFI service. + + @param[in] This The EFI_PEI_MM_COMMUNICATE3 instance. + @param[in, out] CommBuffer A pointer to the buffer to convey into MMRAM. + @param[in, out] CommSize The size of the data buffer being passed in.On exit, the size of data + being returned. Zero if the handler does not wish to reply with any data. + + @retval EFI_SUCCESS The message was successfully posted. + @retval EFI_INVALID_PARAMETER The CommBuffer was NULL. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PEI_MM_COMMUNICATE3)( + IN CONST EFI_PEI_MM_COMMUNICATION3_PPI *This, + IN OUT VOID *CommBuffer, + IN OUT UINTN *CommSize + ); + +/// +/// EFI MM Communication PPI provides runtime services for communicating +/// between DXE drivers and a registered SMI handler. +/// +struct _EFI_PEI_MM_COMMUNICATION3_PPI { + EFI_PEI_MM_COMMUNICATE3 Communicate; +}; + +extern EFI_GUID gEfiPeiMmCommunication3PpiGuid; + +#endif diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index 8c61661e4ee7..cb42078fa330 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -1012,6 +1012,9 @@ [Ppis] ## Include/Ppi/DelayedDispatch.h gEfiPeiDelayedDispatchPpiGuid = { 0x869c711d, 0x649c, 0x44fe, { 0x8b, 0x9e, 0x2c, 0xbb, 0x29, 0x11, 0xc3, 0xe6 }} + ## Include/Ppi/MmCommunication3.h + gEfiPeiMmCommunication3PpiGuid = { 0xe70febf6, 0x13ef, 0x4a21, { 0x89, 0x9e, 0xb2, 0x36, 0xf8, 0x25, 0xff, 0xc9 }} + [Protocols] ## Include/Protocol/Pcd.h gPcdProtocolGuid = { 0x11B34006, 0xD85B, 0x4D0A, { 0xA2, 0x90, 0xD5, 0xA5, 0x71, 0x31, 0x0E, 0xF7 }} -- 2.34.1.windows.1