From patchwork Fri Aug 30 02:11:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuquan Wang X-Patchwork-Id: 13784122 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE141CA0ED0 for ; Fri, 30 Aug 2024 02:11:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sjr73-0006fh-TR; Thu, 29 Aug 2024 22:11:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sjr71-0006YT-Lz for qemu-devel@nongnu.org; Thu, 29 Aug 2024 22:11:43 -0400 Received: from zg8tmja5ljk3lje4ms43mwaa.icoremail.net ([209.97.181.73]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sjr6y-0003KG-Pa for qemu-devel@nongnu.org; Thu, 29 Aug 2024 22:11:43 -0400 Received: from prodtpl.icoremail.net (unknown [10.12.1.20]) by hzbj-icmmx-7 (Coremail) with SMTP id AQAAfwBX4zRYKtFm8Wo+Ag--.62572S2; Fri, 30 Aug 2024 10:11:36 +0800 (CST) Received: from phytium.com.cn (unknown [218.76.62.144]) by mail (Coremail) with SMTP id AQAAfwD3IbJOKtFmc50pAA--.1107S4; Fri, 30 Aug 2024 10:11:30 +0800 (CST) From: Yuquan Wang To: Jonathan.Cameron@Huawei.com, marcin.juszkiewicz@linaro.org, gaoliming@byosoft.com.cn, michael.d.kinney@intel.com, ardb+tianocore@kernel.org Cc: chenbaozi@phytium.com.cn, wangyinfeng@phytium.com.cn, shuyiqi@phytium.com.cn, qemu-devel@nongnu.org, devel@edk2.groups.io, Yuquan Wang Subject: [RFC PATCH 1/1] MdePkg/IndustryStandard: add definitions for ACPI 6.4 CEDT Date: Fri, 30 Aug 2024 10:11:17 +0800 Message-Id: <20240830021117.538954-2-wangyuquan1236@phytium.com.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240830021117.538954-1-wangyuquan1236@phytium.com.cn> References: <20240830021117.538954-1-wangyuquan1236@phytium.com.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAfwD3IbJOKtFmc50pAA--.1107S4 X-CM-SenderInfo: 5zdqw5pxtxt0arstlqxsk13x1xpou0fpof0/1tbiAQANAWbQ2MkBnQAAs2 Authentication-Results: hzbj-icmmx-7; spf=neutral smtp.mail=wangyuquan 1236@phytium.com.cn; X-Coremail-Antispam: 1Uk129KBjvJXoWxXFW7Aw1kCrW7Gr1xtw13urg_yoW5Ary3pF s5Cay5KryDJa97Zr1aqF4Fvr4fKF4Igw1UGFs3ur9xZrWYgw1kuan8Cr18tFyFvr4FgwnF qFs2qry5GrsrCFJanT9S1TB71UUUUUJqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj DUYxn0WfASr-VFAU7a7-sFnT9fnUUIcSsGvfJ3UbIYCTnIWIevJa73UjIFyTuYvj4RJUUU UUUUU Received-SPF: pass client-ip=209.97.181.73; envelope-from=wangyuquan1236@phytium.com.cn; helo=zg8tmja5ljk3lje4ms43mwaa.icoremail.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This adds #defines and struct typedefs for the various structure types in the ACPI 6.4 CXL Early Discovery Table (CEDT). Signed-off-by: Yuquan Wang --- MdePkg/Include/IndustryStandard/Acpi64.h | 5 ++ .../IndustryStandard/CXLEarlyDiscoveryTable.h | 69 +++++++++++++++++++ 2 files changed, 74 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/CXLEarlyDiscoveryTable.h diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h b/MdePkg/Include/IndustryStandard/Acpi64.h index bbe6a3c9eb..c988de8ebf 100644 --- a/MdePkg/Include/IndustryStandard/Acpi64.h +++ b/MdePkg/Include/IndustryStandard/Acpi64.h @@ -3169,6 +3169,11 @@ typedef struct { /// #define EFI_ACPI_6_4_XEN_PROJECT_TABLE_SIGNATURE SIGNATURE_32('X', 'E', 'N', 'V') +/// +/// "CEDT" CXL Early Discovery Table +/// +#define EFI_ACPI_6_4_CXL_EARLY_DISCOVERY_TABLE_SIGNATURE SIGNATURE_32 ('C', 'E', 'D', 'T') + #pragma pack() #endif diff --git a/MdePkg/Include/IndustryStandard/CXLEarlyDiscoveryTable.h b/MdePkg/Include/IndustryStandard/CXLEarlyDiscoveryTable.h new file mode 100644 index 0000000000..84f88dc737 --- /dev/null +++ b/MdePkg/Include/IndustryStandard/CXLEarlyDiscoveryTable.h @@ -0,0 +1,69 @@ +/** @file + ACPI CXL Early Discovery Table (CEDT) definitions. + + Copyright (c) 2024, Phytium Technology Co Ltd. All rights reserved. + +**/ + +#ifndef __CXL_Early_Discovery_TABLE_H__ +#define __CXL_Early_Discovery_TABLE_H__ + +#include +#include + +#define EFI_ACPI_CXL_Early_Discovery_TABLE_REVISION_01 0x1 //CXL2.0 +#define EFI_ACPI_CXL_Early_Discovery_TABLE_REVISION_02 0x2 //CXL3.1 + +#define EFI_ACPI_CEDT_TYPE_CHBS 0x0 +#define EFI_ACPI_CEDT_TYPE_CFMWS 0x1 + +#pragma pack(1) + +/// +/// Table header +/// +typedef struct { + EFI_ACPI_DESCRIPTION_HEADER Header; +} EFI_ACPI_6_4_CXL_Early_Discovery_TABLE; + +/// +/// Node header definition shared by all structure types +/// +typedef struct { + UINT8 Type; + UINT8 Reserved; + UINT16 Length; +} EFI_ACPI_6_4_CEDT_Structure; + +/// +/// Definition for CXL Host Bridge Structure +/// +typedef struct { + EFI_ACPI_6_4_CEDT_Structure header; + UINT32 UID; + UINT32 CXLVersion; + UINT32 Reserved; + UINT64 Base; + UINT64 Length; +} EFI_ACPI_6_4_CXL_Host_Bridge_Structure; + +/// +/// Definition for CXL Fixed Memory Window Structure +/// +typedef struct { + EFI_ACPI_6_4_CEDT_Structure header; + UINT32 Reserved; + UINT64 BaseHPA; + UINT64 WindowSize; + UINT8 InterleaveMembers; + UINT8 InterleaveArithmetic; + UINT16 Reserved1; + UINT32 Granularity; + UINT16 Restrictions; + UINT16 QtgId; + UINT32 FirstTarget; +} EFI_ACPI_6_4_CXL_Fixed_Memory_Window_Structure; + +#pragma pack() + +#endif