From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail05.groups.io (mail05.groups.io [45.79.224.7]) by spool.mail.gandi.net (Postfix) with ESMTPS id 4AD0F78003C for ; Wed, 30 Oct 2024 10:38:19 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=80AoTaX3PEX0VuI2OPnm+xBI1bLNuBMSXReK2BVyATQ=; c=relaxed/simple; d=groups.io; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:MIME-Version:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Resent-Date:Resent-From:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Transfer-Encoding; s=20240830; t=1730284698; v=1; x=1730543897; b=rRFGRjOm4VY67XtRWlw5ElZtV32fNwdlcl4AK+uU8egHoKyEn2WFfVX763TmwtqeNUXQYlJE b7Jj/wiZikSiEa9xH+/yBjqZBPfrJ+DKAtbGa3L9ds//NGiR86T3mPIuzyiXnLeO3ai9MJhXUsC gHfueQVLGEtO3vygVHxaVXmJRXXlctuUHIMvQr2FQNZRfnf+q7490UtFBR0g9T77RM5SLYB6fBW 2bApmgiAWuiNHp7uGwuhPLvAuZva0kH+FIBNU4lp4gHWqXNj/q9aMs35hi3aaS4IQ3IS6yGzTLY IVSQDWmBwJ9QKYmOsJTtAMgMVv+gHU2OYv+dUoBNeheAA== X-Received: by 127.0.0.2 with SMTP id ypb0YY7687511xSOENehwK4S; Wed, 30 Oct 2024 03:38:17 -0700 X-Received: from sgoci-sdnproxy-4.icoremail.net (sgoci-sdnproxy-4.icoremail.net [129.150.39.64]) by mx.groups.io with SMTP id smtpd.web10.11967.1730284696639098859 for ; Wed, 30 Oct 2024 03:38:17 -0700 X-Received: from prodtpl.icoremail.net (unknown [10.12.1.20]) by hzbj-icmmx-7 (Coremail) with SMTP id AQAAfwD3_5uVDCJnHXQQAg--.1481S2; Wed, 30 Oct 2024 18:38:13 +0800 (CST) X-Received: from phytium.com.cn (unknown [218.76.62.144]) by mail (Coremail) with SMTP id AQAAfwAXbXmODCJnZStAAA--.25600S4; Wed, 30 Oct 2024 18:38:10 +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, qemu-devel@nongnu.org, devel@edk2.groups.io, Yuquan Wang Subject: [edk2-devel] [RFC EDK2 PATCH v2 1/1] MdePkg/IndustryStandard: add definitions for CXL3.1 CEDT Date: Wed, 30 Oct 2024 18:37:13 +0800 Message-Id: <20241030103713.415432-2-wangyuquan1236@phytium.com.cn> In-Reply-To: <20241030103713.415432-1-wangyuquan1236@phytium.com.cn> References: <20241030103713.415432-1-wangyuquan1236@phytium.com.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAfwAXbXmODCJnZStAAA--.25600S4 X-CM-SenderInfo: 5zdqw5pxtxt0arstlqxsk13x1xpou0fpof0/1tbiAQAOAWchPJEEgAAAsh X-Coremail-Antispam: 1Uk129KBjvJXoWxXFWrAF1xGFy5WFy3Xw45Awb_yoW5tw1fpr 4kAa90ga18AF4fZws7Zanavr48AF4xXw4UGF9xWr9avFWDKwn7WF4DXr1YvrWFyF48K3sF qF40q34UCF17u3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj DUYxn0WfASr-VFAU7a7-sFnT9fnUUIcSsGvfJ3UbIYCTnIWIevJa73UjIFyTuYvj4RJUUU UUUUU Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Resent-Date: Wed, 30 Oct 2024 03:38:17 -0700 Resent-From: wangyuquan1236@phytium.com.cn Reply-To: devel@edk2.groups.io,wangyuquan1236@phytium.com.cn List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: yW4qZyxMStz5FIv0VRQ2qdIkx7686176AA= Content-Transfer-Encoding: 8bit X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20240830 header.b=rRFGRjOm; dmarc=none; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 45.79.224.7 as permitted sender) smtp.mailfrom=bounce@groups.io This adds #defines and struct typedefs for the various structure types in the CXL3.1 CXL Early Discovery Table (CEDT). Signed-off-by: Yuquan Wang --- .../IndustryStandard/CxlEarlyDiscoveryTable.h | 113 ++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/CxlEarlyDiscoveryTable.h diff --git a/MdePkg/Include/IndustryStandard/CxlEarlyDiscoveryTable.h b/MdePkg/Include/IndustryStandard/CxlEarlyDiscoveryTable.h new file mode 100644 index 000000000000..eac23911436b --- /dev/null +++ b/MdePkg/Include/IndustryStandard/CxlEarlyDiscoveryTable.h @@ -0,0 +1,113 @@ +/** @file + ACPI CXL Early Discovery Table (CEDT) definitions. + + This file contains the register definitions based on the Compute Express Link + (CXL) Specification Revision 3.1. + + Copyright (c) 2024, Phytium Technology Co Ltd. All rights reserved. + + @par Reference(s): + - Compute Express Link (CXL) Specification Revision 3.1. + (https://computeexpresslink.org/cxl-specification/) +**/ + +#ifndef CXL_EARLY_DISCOVERY_TABLE_H_ +#define CXL_EARLY_DISCOVERY_TABLE_H_ + +#include + +/// +/// "CEDT" CXL Early Discovery Table +/// +#define CXL_3_1_CXL_EARLY_DISCOVERY_TABLE_SIGNATURE SIGNATURE_32 ('C', 'E', 'D', 'T') + +#define CXL_EARLY_DISCOVERY_TABLE_REVISION_01 0x1 // CXL2.0 ~ CXL3.0 +#define CXL_EARLY_DISCOVERY_TABLE_REVISION_02 0x2 // CXL3.1 + +#define CEDT_TYPE_CHBS 0x0 +#define CEDT_TYPE_CFMWS 0x1 +#define CEDT_TYPE_CXIMS 0x2 +#define CEDT_TYPE_RDPAS 0x3 +#define CEDT_TYPE_CSDS 0x4 + +#pragma pack(1) + +/// +/// Table header +/// +typedef struct { + EFI_ACPI_DESCRIPTION_HEADER Header; +} CXL_3_1_CXL_EARLY_DISCOVERY_TABLE; + +/// +/// Node header definition shared by all structure types +/// +typedef struct { + UINT8 Type; + UINT8 Reserved; + UINT16 Length; +} CXL_3_1_CEDT_STRUCTURE; + +/// +/// Definition for CXL Host Bridge Structure (CHBS) +/// +typedef struct { + CXL_3_1_CEDT_STRUCTURE Header; + UINT32 UID; + UINT32 CXLVersion; + UINT32 Reserved; + UINT64 Base; + UINT64 Length; +} CXL_3_1_CXL_HOST_BRIDGE_STRUCTURE; + +/// +/// Definition for CXL Fixed Memory Window Structure (CFMWS) +/// +typedef struct { + CXL_3_1_CEDT_STRUCTURE Header; + UINT32 Reserved; + UINT64 BaseHPA; + UINT64 WindowSize; + UINT8 InterleaveMembers; + UINT8 InterleaveArithmetic; + UINT16 Reserved1; + UINT32 Granularity; + UINT16 Restrictions; + UINT16 QtgId; + UINT32 TargetList[16]; +} CXL_3_1_CXL_FIXED_MEMORY_WINDOW_STRUCTURE; + +/// +/// Definition for CXL XOR Interleave Math Structure (CXIMS) +/// +typedef struct { + CXL_3_1_CEDT_STRUCTURE Header; + UINT16 Reserved; + UINT8 HBIG; + UINT8 NIB; + UINT64 XORMAPLIST[4]; +} CXL_3_1_CXL_XOR_INTERLEAVE_MATH_STRUCTURE; + +/// +/// Definition for RCEC Downstream Port Association Structure (RDPAS) +/// +typedef struct { + CXL_3_1_CEDT_STRUCTURE Header; + UINT16 SegmentNumber; + UINT16 BDF; + UINT8 ProtocolType; + UINT64 BaseAddress; +} CXL_3_1_RCEC_DOWNSTREAM_PORT_ASSOCIATION_STRUCTURE; + +/// +/// Definition for CXL System Description Structure (CSDS) +/// +typedef struct { + CXL_3_1_CEDT_STRUCTURE Header; + UINT16 Capabilities; + UINT16 Reserved; +} CXL_3_1_CXL_DOWNSTREAM_PORT_ASSOCIATION_STRUCTURE; + +#pragma pack() + +#endif -- 2.34.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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