From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 86B4D940FA8 for ; Tue, 5 Sep 2023 02:40:02 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=ILHLFL5D/AaiXUw4C58vvXml3qy6p6trMPXGaDcGbCU=; c=relaxed/simple; d=groups.io; h=From:To:Cc:References:In-Reply-To:Subject:Date:Message-ID:MIME-Version:Thread-Index:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Type:Content-Transfer-Encoding:Content-Language; s=20140610; t=1693881601; v=1; b=Pq4Q+JMXuimsq5ROXzDtuX4CXDFZmeNqxac3magJWyMmrvKTX7dTji+Mh4Qtw90VQAmWUnW7 wQYE3BbapFk3sWw76HMLY/09y7jkDQBMg0N5kVAEYg5PDnU77qlgH6vHy1Da61p2W3DF32EOr+t zHsRYv2eqj8XjOKFXjyAfEZw= X-Received: by 127.0.0.2 with SMTP id pJrfYY7687511xqELCOrUfBX; Mon, 04 Sep 2023 19:40:01 -0700 X-Received: from cxsh.intel-email.com (cxsh.intel-email.com [121.46.250.151]) by mx.groups.io with SMTP id smtpd.web11.13271.1693881598138245529 for ; Mon, 04 Sep 2023 19:40:00 -0700 X-Received: from cxsh.intel-email.com (localhost [127.0.0.1]) by cxsh.intel-email.com (Postfix) with ESMTP id 02484DDA7E8 for ; Tue, 5 Sep 2023 10:39:55 +0800 (CST) X-Received: from localhost (localhost [127.0.0.1]) by cxsh.intel-email.com (Postfix) with ESMTP id F23BCDDA7DE for ; Tue, 5 Sep 2023 10:39:54 +0800 (CST) X-Received: from mail.byosoft.com.cn (mail.byosoft.com.cn [58.240.74.242]) by cxsh.intel-email.com (Postfix) with SMTP id 19198DDA79D for ; Tue, 5 Sep 2023 10:39:51 +0800 (CST) X-Received: from DESKTOPS6D0PVI ([58.246.60.130]) (envelope-sender ) by 192.168.6.13 with ESMTP(SSL) for ; Tue, 05 Sep 2023 10:39:46 +0800 X-WM-Sender: gaoliming@byosoft.com.cn X-Originating-IP: 58.246.60.130 X-WM-AuthFlag: YES X-WM-AuthUser: gaoliming@byosoft.com.cn From: "gaoliming via groups.io" To: , , "'Kinney, Michael D'" , "'Nong, Foster'" Cc: "'Yao, Jiewen'" , "'Ni, Ray'" , "'Open Source Submission'" References: In-Reply-To: Subject: =?UTF-8?B?5Zue5aSNOiBbICoqIFNQQU1NQUlMICoqIF1bZWRrMi1kZXZlbF0gW1BBVENIIHY0IDEvMV0gTWRlUGtnOiBBZGQgQ3hsMjAuaCBpbnRvIEluZHVzdHJ5U3RhbmRhcmQ=?= Date: Tue, 5 Sep 2023 10:39:47 +0800 Message-ID: <078e01d9dfa2$3c82a070$b587e150$@byosoft.com.cn> MIME-Version: 1.0 Thread-Index: AQGSuHq7MNQaaBcmNl0W2ZB4F3D2sgHu9oNjAedrXpwCjbwanAF8eR2CAnOAHFsCY3iAugIaUjbkAeq16vECHqSQDQFMSQpar/iWgyA= 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 Reply-To: devel@edk2.groups.io,gaoliming@byosoft.com.cn List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: HOaMNJuN3mapgtfggGVz4GTVx7686176AA= Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable Content-Language: zh-cn X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=Pq4Q+JMX; dmarc=none; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Chris: I have no comments on the patch. I suggest you trig open CI to verify the coding format in this patch.=20 For this patch, Reviewed-by: Liming Gao Thanks Liming > -----=D3=CA=BC=FE=D4=AD=BC=FE----- > =B7=A2=BC=FE=C8=CB: devel@edk2.groups.io =B4=FA=B1= =ED Chris Li OS > via groups.io > =B7=A2=CB=CD=CA=B1=BC=E4: 2023=C4=EA8=D4=C225=C8=D5 11:48 > =CA=D5=BC=FE=C8=CB: Kinney, Michael D ; Nong,= Foster > ; devel@edk2.groups.io; Gao, Liming > > =B3=AD=CB=CD: Yao, Jiewen ; Ni, Ray ; > Open Source Submission > =D6=F7=CC=E2: [ ** SPAMMAIL ** ][edk2-devel] [PATCH v4 1/1] MdePkg: Add C= xl20.h > into IndustryStandard >=20 > @Foster @Mike @Liming and all kindly help review/vote again. >=20 > RegisterBlock[] is used. >=20 > -------- > 1) Add CXL 2.0 header file to comply with CXL 2.0 specification > 2) CXL 2.0 header will embed Cxl11.h > 3) Updated Cxl.h to point to 2.0 header file >=20 > Signed-off-by: Chris Li > --- > MdePkg/Include/IndustryStandard/Cxl.h | 2 +- > MdePkg/Include/IndustryStandard/Cxl20.h | 465 > ++++++++++++++++++++++++ > 2 files changed, 466 insertions(+), 1 deletion(-) > create mode 100644 MdePkg/Include/IndustryStandard/Cxl20.h >=20 > diff --git a/MdePkg/Include/IndustryStandard/Cxl.h > b/MdePkg/Include/IndustryStandard/Cxl.h > index 06c1230e3e..9ad3242e25 100644 > --- a/MdePkg/Include/IndustryStandard/Cxl.h > +++ b/MdePkg/Include/IndustryStandard/Cxl.h > @@ -12,7 +12,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent > #ifndef _CXL_MAIN_H_ > #define _CXL_MAIN_H_ >=20 > -#include > +#include > // > // CXL assigned new Vendor ID > // > diff --git a/MdePkg/Include/IndustryStandard/Cxl20.h > b/MdePkg/Include/IndustryStandard/Cxl20.h > new file mode 100644 > index 0000000000..6c9d6310d0 > --- /dev/null > +++ b/MdePkg/Include/IndustryStandard/Cxl20.h > @@ -0,0 +1,465 @@ > +/** @file > + CXL 2.0 Register definitions > + > + This file contains the register definitions based on the Compute Express > Link > + (CXL) Specification Revision 2.0. > + > + Copyright (c) 2023, Ampere Computing LLC. All rights reserved.
> + > + SPDX-License-Identifier: BSD-2-Clause-Patent > + > +**/ > +#ifndef CXL20_H_ > +#define CXL20_H_ > + > +#include > + > +// > +// CXL DVSEC IDs > +// Compute Express Link Specification Revision 2.0 - Chapter 8.1.1 > +// > +#define CXL_DVSEC_ID_PCIE_DVSEC_FOR_CXL_DEVICE 0x0 > +#define CXL_DVSEC_ID_NON_CXL_FUNCTION_MAP > 0x2 > +#define CXL_DVSEC_ID_CXL20_EXTENSIONS_DVSEC_FOR_PORTS 0x3 > +#define CXL_DVSEC_ID_GPF_DVSEC_FOR_CXL_PORTS 0x4 > +#define CXL_DVSEC_ID_GPF_DVSEC_FOR_CXL_DEVICES 0x5 > +#define CXL_DVSEC_ID_PCIE_DVSEC_FOR_FLEX_BUS_PORT 0x7 > +#define CXL_DVSEC_ID_REGISTER_LOCATOR 0x8 > +#define CXL_DVSEC_ID_MLD 0x9 > +#define CXL_DVSEC_ID_PCIE_DVSEC_FOR_TEST_CAPABILITY 0xA > + > +// > +// Register Block ID > +// Compute Express Link Specification Revision 2.0 - Chapter 8.1.9.1 > +// > +#define CXL_REGISTER_BLOCK_ID_EMPTY 0x0 > +#define CXL_REGISTER_BLOCK_ID_COMPONENT 0x1 > +#define CXL_REGISTER_BLOCK_ID_BAR_VIRTUALIZATION_ACL 0x2 > +#define CXL_REGISTER_BLOCK_ID_DEVICE 0x3 > + > +// > +// CXL component register layout > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.4 > +// > +//|------------------------------------| > +//|--------- Range & Type -------------| > +//|------------------------------------| IO Base - 0KB > +//| (0KB - 4KB)IO Regs | > +//|------------------------------------| Cache and Mem Base - 4KB > +//| {4KB - 8KB)Cache & Mem Regs | > +//|------------------------------------| Implementation Spec Regs Base - 8KB > +//| (8KB - 56KB)Implement Spec Regs| > +//|------------------------------------| ARB/Mux Regs Base - 56KB > +//| (56KB - 57KB)ARBMUX Regs | > +//|------------------------------------| Reserved Base - 57KB > +//| (57KB - 63KB)Reserved | > +//|------------------------------------| End 64KB > +// > +// Component Register Block Register Ranges Offset > +// > +#define CXL_COMPONENT_REGISTER_RANGE_OFFSET_IO 0x0 > +#define CXL_COMPONENT_REGISTER_RANGE_OFFSET_CACHE_MEM > 0x1000 > +#define CXL_COMPONENT_REGISTER_RANGE_OFFSET_ARB_MUX > 0xE000 > + > + > +// > +// CXL Cache Memory Capability IDs > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.5 > +// > +#define CXL_CACHE_MEM_CAPABILITY_ID_CXL 0x1 > +#define CXL_CACHE_MEM_CAPABILITY_ID_RAS 0x2 > +#define CXL_CACHE_MEM_CAPABILITY_ID_SECURITY 0x3 > +#define CXL_CACHE_MEM_CAPABILITY_ID_LINK 0x4 > +#define CXL_CACHE_MEM_CAPABILITY_ID_HDM_DECODER > 0x5 > +#define CXL_CACHE_MEM_CAPABILITY_ID_EXTENDED_SECURITY 0x6 > +#define CXL_CACHE_MEM_CAPABILITY_ID_IDE 0x7 > +#define CXL_CACHE_MEM_CAPABILITY_ID_SNOOP_FILTER 0x8 > +#define CXL_CACHE_MEM_CAPABILITY_ID_MASK > 0xFFFF > + > +// > +// Generic CXL Device Capability IDs 0x0000 ~ 0x3FFF > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.8.2.1 > +// > +#define CXL_DEVICE_CAPABILITY_ID_CAPABILITIES_ARRAY_REGISTER > 0x0000 > +#define CXL_DEVICE_CAPABILITY_ID_DEVICE_STATUS > 0x0001 > +#define CXL_DEVICE_CAPABILITY_ID_PRIMARY_MAILBOX > 0x0002 > +#define CXL_DEVICE_CAPABILITY_ID_SECONDARY_MAILBOX > 0x0003 > + > +// > +// Specific CXL Device Capability IDs 0x4000 ~ 0x7FFF > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.8.2.1 and > 8.2.8.5 > + > +// > +#define CXL_DEVICE_CAPABILITY_ID_MEMORY_DEVICE_STATUS > 0x4000 > +#define CXL_DEVICE_CAPABILITY_ID_MASK > 0xFFFF > + > +// > +// Memory Device Status > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.8.5.1.1 > +// > +#define CXL_MEM_DEVICE_MEDIA_STATUS_NOT_READY > 0x0 > +#define CXL_MEM_DEVICE_MEDIA_STATUS_READY > 0x1 > +#define CXL_MEM_DEVICE_MEDIA_STATUS_ERROR > 0x2 > +#define CXL_MEM_DEVICE_MEDIA_STATUS_DISABLED > 0x3 > + > +// > +// Ensure proper structure formats > +// > +#pragma pack(1) > + > +// > +// PCIe DVSEC for CXL Device > +// Compute Express Link Specification Revision 2.0 - Chapter 8.1.3 > +// > +typedef union { > + struct { > + UINT16 CacheCapable : 1; // > bit 0 > + UINT16 IoCapable : 1; // > bit 1 > + UINT16 MemCapable : 1; // > bit 2 > + UINT16 MemHwInitMode : 1; > // bit 3 > + UINT16 HdmCount : 2; // > bit 4..5 > + UINT16 CacheWriteBackAndInvalidateCapable : 1; // bit 6 > + UINT16 CxlResetCapable : 1; // bit > 7 > + UINT16 CxlResetTimeout : 3; // > bit 8..10 > + UINT16 CxlResetMemClrCapable : 1; // > bit 11 > + UINT16 Reserved : 1; // > bit 12 > + UINT16 MultipleLogicalDevice : 1; // bit > 13 > + UINT16 ViralCapable : 1; // bit > 14 > + UINT16 PmInitCompletionReportingCapable : 1; // bit > 15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_CAPABILITY; > + > +typedef union { > + struct { > + UINT16 CacheEnable : 1; // bit 0 > + UINT16 IoEnable : 1; // bit 1 > + UINT16 MemEnable : 1; // bit 2 > + UINT16 CacheSfCoverage : 5; // bit 3..7 > + UINT16 CacheSfGranularity : 3; // bit 8..10 > + UINT16 CacheCleanEviction : 1; // bit 11 > + UINT16 Reserved1 : 2; // bit 12..13 > + UINT16 ViralEnable : 1; // bit 14 > + UINT16 Reserved2 : 1; // bit 15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_CONTROL; > + > +typedef union { > + struct { > + UINT16 Reserved1 : 14; // bit 0..13 > + UINT16 ViralStatus : 1; // bit 14 > + UINT16 Reserved2 : 1; // bit 15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_STATUS; > + > +typedef union { > + struct { > + UINT16 DisableCaching : 1; // bit > 0 > + UINT16 InitiateCacheWriteBackAndInvalidate : 1; // bit 1 > + UINT16 InitiateCxlReset : 1; // bit 2 > + UINT16 CxlResetMemClrEnable : 1; // > bit 3 > + UINT16 Reserved : 12; // > bit 4..15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_CONTROL2; > + > +typedef union { > + struct { > + UINT16 CacheInvalid : 1; > // bit 0 > + UINT16 CxlResetComplete : 1; > // bit 1 > + UINT16 Reserved : 13; > // bit 2..14 > + UINT16 PowerManagementInitialzationComplete : 1; // > bit 15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_STATUS2; > + > +typedef union { > + struct { > + UINT16 ConfigLock : 1; // bit 0 > + UINT16 Reserved : 15; // bit 1..15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_LOCK; > + > +typedef union { > + struct { > + UINT16 CacheSizeUnit : 4; // bit 0..3 > + UINT16 Reserved : 4; // bit 4..7 > + UINT16 CacheSize : 8; // bit 8..15 > + } Bits; > + UINT16 Uint16; > +} CXL_DVSEC_CXL_DEVICE_CAPABILITY2; > + > +typedef union { > + struct { > + UINT32 MemorySizeHigh : 32; // bit 0..31 > + } Bits; > + UINT32 Uint32; > +} CXL_DVSEC_CXL_DEVICE_RANGE_SIZE_HIGH; > + > +typedef union { > + struct { > + UINT32 MemoryInfoValid : 1; // bit 0 > + UINT32 MemoryActive : 1; // bit 1 > + UINT32 MediaType : 3; // bit 2..4 > + UINT32 MemoryClass : 3; // bit 5..7 > + UINT32 DesiredInterleave : 5; // bit 8..12 > + UINT32 MemoryActiveTimeout : 3; // bit 13..15 > + UINT32 Reserved : 12; // bit 16..27 > + UINT32 MemorySizeLow : 4; // bit 28..31 > + } Bits; > + UINT32 Uint32; > +} CXL_DVSEC_CXL_DEVICE_RANGE_SIZE_LOW; > + > +typedef union { > + struct { > + UINT32 MemoryBaseHigh : 32; // bit 0..31 > + } Bits; > + UINT32 Uint32; > +} CXL_DVSEC_CXL_DEVICE_RANGE_BASE_HIGH; > + > +typedef union { > + struct { > + UINT32 Reserved : 28; // bit 0..27 > + UINT32 MemoryBaseLow : 4; // bit 28..31 > + } Bits; > + UINT32 Uint32; > +} CXL_DVSEC_CXL_DEVICE_RANGE_BASE_LOW; > + > + > +typedef struct { > + PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header; > // offset 0x00 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 > DvsecHeader1; // offset 0x04 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_2 > DvsecHeader2; // offset 0x08 > + CXL_DVSEC_CXL_DEVICE_CAPABILITY > DeviceCapability; // offset 0x0A > + CXL_DVSEC_CXL_DEVICE_CONTROL > DeviceControl; // offset 0x0C > + CXL_DVSEC_CXL_DEVICE_STATUS > DeviceStatus; // offset 0x0E > + CXL_DVSEC_CXL_DEVICE_CONTROL2 > DeviceControl2; // offset 0x10 > + CXL_DVSEC_CXL_DEVICE_STATUS2 > DeviceStatus2; // offset 0x12 > + CXL_DVSEC_CXL_DEVICE_LOCK > DeviceLock; // offset 0x14 > + CXL_DVSEC_CXL_DEVICE_CAPABILITY2 > DeviceCapability2; // offset 0x16 > + CXL_DVSEC_CXL_DEVICE_RANGE_SIZE_HIGH > DeviceRange1SizeHigh; // offset 0x18 > + CXL_DVSEC_CXL_DEVICE_RANGE_SIZE_LOW > DeviceRange1SizeLow; // offset 0x1C > + CXL_DVSEC_CXL_DEVICE_RANGE_BASE_HIGH > DeviceRange1BaseHigh; // offset 0x20 > + CXL_DVSEC_CXL_DEVICE_RANGE_BASE_LOW > DeviceRange1BaseLow; // offset 0x24 > + CXL_DVSEC_CXL_DEVICE_RANGE_SIZE_HIGH > DeviceRange2SizeHigh; // offset 0x28 > + CXL_DVSEC_CXL_DEVICE_RANGE_SIZE_LOW > DeviceRange2SizeLow; // offset 0x2C > + CXL_DVSEC_CXL_DEVICE_RANGE_BASE_HIGH > DeviceRange2BaseHigh; // offset 0x30 > + CXL_DVSEC_CXL_DEVICE_RANGE_BASE_LOW > DeviceRange2BaseLow; // offset 0x34 > +} CXL_DVSEC_CXL_DEVICE; > + > +#define CXL_DVSEC_CXL_DEVICE_REVISION_1 0x1 > + > +// > +// Register Locator DVSEC > +// Compute Express Link Specification Revision 2.0 - Chapter 8.1.9 > +// > + > +typedef union { > + struct { > + UINT32 RegisterBir : 3; // bit 0..2 > + UINT32 Reserved : 5; // bit 3..7 > + UINT32 RegisterBlockIdentifier : 8; // bit 8..15 > + UINT32 RegisterBlockOffsetLow : 16; // bit 16..31 > + } Bits; > + UINT32 Uint32; > +} CXL_DVSEC_REGISTER_LOCATOR_REGISTER_OFFSET_LOW; > + > +typedef union { > + struct { > + UINT32 RegisterBlockOffsetHigh : 32; // bit 0..31 > + } Bits; > + UINT32 Uint32; > +} CXL_DVSEC_REGISTER_LOCATOR_REGISTER_OFFSET_HIGH; > + > +typedef struct { > + CXL_DVSEC_REGISTER_LOCATOR_REGISTER_OFFSET_LOW > OffsetLow; > + CXL_DVSEC_REGISTER_LOCATOR_REGISTER_OFFSET_HIGH > OffsetHigh; > +} CXL_DVSEC_REGISTER_LOCATOR_REGISTER_BLOCK; > + > +typedef struct { > + PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER > Header; // offset 0x00 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 > DvsecHeader1; // offset 0x04 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_2 > DvsecHeader2; // offset 0x08 > + UINT16 > Reserved; // offset 0x0A > + CXL_DVSEC_REGISTER_LOCATOR_REGISTER_BLOCK > RegisterBlock[]; // offset 0x0C > + > +} CXL_DVSEC_REGISTER_LOCATOR; > + > +#define CXL_DVSEC_REGISTER_LOCATOR_REVISION_0 0x0 > + > +// > +// CXL HDM Decoder Capability Header Register > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.5.5 > +// > +typedef union { > + struct { > + UINT32 CxlCapabilityId : 16; // bit 0..15 > + UINT32 CxlCapabilityVersion : 4; // bit 16..19 > + UINT32 CxlHdmDecoderCapabilityPointer : 12; // bit 20..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_CAPABILITY_HEADER_REGISTER; > + > +// > +// CXL HDM Decoder Capability Register > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.5.12 > +// > +typedef union { > + struct { > + UINT32 DecoderCount : 4; // bit > 0..3 > + UINT32 TargetCount : 4; // bit 4..7 > + UINT32 InterleaveCapableA11to8 : 1; // bit 8 > + UINT32 InterleaveCapableA14to12 : 1; // bit 9 > + UINT32 PoisonOnDecodeErrorCapability : 1; // bit 10 > + UINT32 Reserved : 21; // bit > 11..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_CAPABILITY_REGISTER; > + > +typedef union { > + struct { > + UINT32 PoisonOnDecodeErrorEnable : 1; // bit 0 > + UINT32 HdmDecoderEnable : 1; // bit 1 > + UINT32 Reserved : 30; // bit 2..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_GLOBAL_CONTROL_REGISTER; > + > +typedef union { > + struct { > + UINT32 Reserved : 28; // bit 0..27 > + UINT32 MemoryBaseLow : 4; // bit 28..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_BASE_LOW_REGISTER; > + > +typedef union { > + struct { > + UINT32 MemoryBaseHigh : 32; // bit 0..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_BASE_HIGH_REGISTER; > + > +typedef union { > + struct { > + UINT32 Reserved : 28; // bit 0..27 > + UINT32 MemorySizeLow : 4; // bit 28..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_SIZE_LOW_REGISTER; > + > +typedef union { > + struct { > + UINT32 MemorySizeHigh : 32; // bit 0..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_SIZE_HIGH_REGISTER; > + > +typedef union { > + struct { > + UINT32 InterleaveGranularity : 4; // bit 0..3 > + UINT32 InterleaveWays : 4; // bit 4..7 > + UINT32 LockOnCommit : 1; // bit 8 > + UINT32 Commit : 1; // bit 9 > + UINT32 Committed : 1; // bit 10 > + UINT32 ErrorNotCommitted : 1; // bit 11 > + UINT32 TargetDeviceType : 1; // bit 12 > + UINT32 Reserved : 19; // bit 13..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_CONTROL_REGISTER; > + > +typedef union { > + struct { > + UINT32 TargetPortIdentiferWay0 : 8; // bit 0..7 > + UINT32 TargetPortIdentiferWay1 : 8; // bit 8..15 > + UINT32 TargetPortIdentiferWay2 : 8; // bit 16..23 > + UINT32 TargetPortIdentiferWay3 : 8; // bit 24..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_TARGET_LIST_LOW_REGISTER; > + > +typedef union { > + struct { > + UINT32 Reserved : 28; // bit 0..27 > + UINT32 DpaSkipLow : 4; // bit 28..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_DPA_SKIP_LOW_REGISTER; > + > +typedef union { > + struct { > + UINT32 TargetPortIdentiferWay4 : 8; // bit 0..7 > + UINT32 TargetPortIdentiferWay5 : 8; // bit 8..15 > + UINT32 TargetPortIdentiferWay6 : 8; // bit 16..23 > + UINT32 TargetPortIdentiferWay7 : 8; // bit 24..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_TARGET_LIST_HIGH_REGISTER; > + > +typedef union { > + struct { > + UINT32 DpaSkipHigh : 32; // bit 0..31 > + } Bits; > + UINT32 Uint32; > +} CXL_HDM_DECODER_DPA_SKIP_HIGH_REGISTER; > + > +typedef union { > + CXL_HDM_DECODER_TARGET_LIST_LOW_REGISTER TargetListLow; > + CXL_HDM_DECODER_DPA_SKIP_LOW_REGISTER DpaSkipLow; > +} CXL_HDM_DECODER_TARGET_LIST_OR_DPA_SKIP_LOW; > + > +typedef union { > + CXL_HDM_DECODER_TARGET_LIST_HIGH_REGISTER TargetListHigh; > + CXL_HDM_DECODER_DPA_SKIP_HIGH_REGISTER DpaSkipHigh; > +} CXL_HDM_DECODER_TARGET_LIST_OR_DPA_SKIP_HIGH; > + > +typedef struct { > + CXL_HDM_DECODER_BASE_LOW_REGISTER > DecoderBaseLow; // 0x10 > + CXL_HDM_DECODER_BASE_HIGH_REGISTER > DecoderBaseHigh; // 0x14 > + CXL_HDM_DECODER_SIZE_LOW_REGISTER > DecoderSizeLow; // 0x18 > + CXL_HDM_DECODER_SIZE_HIGH_REGISTER > DecoderSizeHigh; // 0x1c > + CXL_HDM_DECODER_CONTROL_REGISTER > DecoderControl; // 0x20 > + CXL_HDM_DECODER_TARGET_LIST_OR_DPA_SKIP_LOW > DecoderTargetListDpaSkipLow; // 0x24 > + CXL_HDM_DECODER_TARGET_LIST_OR_DPA_SKIP_HIGH > DecoderTargetListDpaSkipHigh; // 0x28 > + UINT32 Reserved; > // 0x2C > +} CXL_HDM_DECODER; > + > +// > +// CXL Device Capabilities Array Register > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.8.1 > +// > + > +typedef union { > + struct { > + UINT64 CxlDeviceCapabilityId : 16; // bit 0..15 > + UINT64 CxlDeviceCapabilityVersion : 8; // bit 16..23 > + UINT64 Reserved1 : 8; // bit 24..31 > + UINT64 CxlDeviceCapabilitiesCount : 16; // bit 32..47 > + UINT64 Reserved2 : 16; // bit 48..63 > + } Bits; > + UINT64 Uint64; > +} CXL_DEVICE_CAPABILITIES_ARRAY_REGISTER; > + > +// > +// CXL Memory Status Register > +// Compute Express Link Specification Revision 2.0 - Chapter 8.2.8.5 > +// > +typedef union { > + struct { > + UINT64 DeviceFatal : 1; // bit 0 > + UINT64 FwHalt : 1; // bit 1 > + UINT64 MediaStatus : 2; // bit 2..3 > + UINT64 MailboxInterfacesReady : 1; // bit 4 > + UINT64 ResetNeeded : 3; // bit 5..7 > + UINT64 Reserved : 56; // bit 8..63 > + } Bits; > + UINT64 Uint64; > +} CXL_MEMORY_DEVICE_STATUS_REGISTER; > + > +#pragma pack() > + > +#endif > -- > 2.34.1 >=20 >=20 >=20 >=20 >=20 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#108272): https://edk2.groups.io/g/devel/message/108272 Mute This Topic: https://groups.io/mt/101162240/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-