Ashraf: Please include PciExpress50.h in Pci.h, and remove other PciExpressionXX.h, because PciExpress50.h includes all version PciExpress.
Thanks Liming > -----Original Message----- > From: Javeed, Ashraf <ashraf.jav...@intel.com> > Sent: Sunday, March 22, 2020 1:07 AM > To: devel@edk2.groups.io > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > <liming....@intel.com> > Subject: [PATCH V2 1/2] MdePkg-IndustryStandard: CXL 1.1 Base Specification > registers > > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2611 > > Register definitions from chapter 7 of CXL Base Specification Rev.1.1 > are ported into the new Cxl11.h. > The CXL Flex Bus registers are based on the PCIe Extended Capability > DVSEC structure headers, hence the Pci.h has to upgraded. > > Signed-off-by: Ashraf Javeed <ashraf.jav...@intel.com> > Cc: Michael D Kinney <michael.d.kin...@intel.com> > Cc: Liming Gao <liming....@intel.com> > --- > MdePkg/Include/IndustryStandard/Cxl11.h | 526 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > MdePkg/Include/IndustryStandard/Pci.h | 1 + > 2 files changed, 527 insertions(+) > > diff --git a/MdePkg/Include/IndustryStandard/Cxl11.h > b/MdePkg/Include/IndustryStandard/Cxl11.h > new file mode 100644 > index 0000000000..65c900142e > --- /dev/null > +++ b/MdePkg/Include/IndustryStandard/Cxl11.h > @@ -0,0 +1,526 @@ > +/** @file > + CXL 1.1 Register definitions > + > + This file contains the register definitions based on the Compute Express > Link > + (CXL) Base Specification Revision 1.1. > + > +Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> > +SPDX-License-Identifier: BSD-2-Clause-Patent > + > +**/ > + > +#ifndef _CXL11_H_ > +#define _CXL11_H_ > + > +#include <IndustryStandard/Pci.h> > + > +// > +// Ensure proper structure formats > +// > +#pragma pack(1) > + > +/// > +/// The PCIe DVSEC for Flex Bus device > +/// > +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 Reserved1 : 8; // bit > 6..13 > + UINT16 ViralCapable : 1; // bit > 14 > + UINT16 Reserved2 : 1; // bit > 15 > + }Bits; > + UINT16 Uint16; > +} CXL_DVSEC_FLEX_BUS_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_FLEX_BUS_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_FLEX_BUS_DEVICE_STATUS; > + > +typedef union { > + struct { > + UINT16 Reserved1 : 1; // bit > 0 > + UINT16 Reserved2 : 1; // bit > 1 > + UINT16 Reserved3 : 1; // bit > 2 > + UINT16 Reserved4 : 13; // bit > 3..15 > + }Bits; > + UINT16 Uint16; > +} CXL_1_1_DVSEC_FLEX_BUS_DEVICE_CONTROL2; > + > +typedef union { > + struct { > + UINT16 Reserved1 : 1; // bit > 0 > + UINT16 Reserved2 : 1; // bit > 1 > + UINT16 Reserved3 : 14; // bit > 2..15 > + }Bits; > + UINT16 Uint16; > +} CXL_1_1_DVSEC_FLEX_BUS_DEVICE_STATUS2; > + > +typedef union { > + struct { > + UINT16 ConfigLock : 1; // bit > 0 > + UINT16 Reserved1 : 15; // bit > 1..15 > + }Bits; > + UINT16 Uint16; > +} CXL_DVSEC_FLEX_BUS_DEVICE_LOCK; > + > +typedef union { > + struct { > + UINT32 MemorySizeHigh : 32; // bit > 0..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_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 : 3; // bit > 8..10 > + UINT32 Reserved : 17; // bit > 11..27 > + UINT32 MemorySizeLow : 4; // bit > 28..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_SIZE_LOW; > + > +typedef union { > + struct { > + UINT32 MemoryBaseHigh : 32; // bit > 0..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_BASE_HIGH; > + > +typedef union { > + struct { > + UINT32 Reserved : 28; // bit > 0..27 > + UINT32 MemoryBaseLow : 4; // bit > 28..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_BASE_LOW; > + > + > +typedef union { > + struct { > + UINT32 MemorySizeHigh : 32; // bit > 0..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_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 : 3; // bit > 8..10 > + UINT32 Reserved : 17; // bit > 11..27 > + UINT32 MemorySizeLow : 4; // bit > 28..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_SIZE_LOW; > + > +typedef union { > + struct { > + UINT32 MemoryBaseHigh : 32; // bit > 0..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_BASE_HIGH; > + > +typedef union { > + struct { > + UINT32 Reserved : 28; // bit > 0..27 > + UINT32 MemoryBaseLow : 4; // bit > 28..31 > + }Bits; > + UINT32 Uint32; > +} CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_BASE_LOW; > + > +typedef struct { > + PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header; > // offset 0 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 > DesignatedVendorSpecificHeader1; // offset 4 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_2 > DesignatedVendorSpecificHeader2; // offset 8 > + CXL_DVSEC_FLEX_BUS_DEVICE_CAPABILITY > DvsecFlexBusDeviceCapability; // offset 10 > + CXL_DVSEC_FLEX_BUS_DEVICE_CONTROL > DvsecFlexBusDeviceControl; // offset 12 > + CXL_DVSEC_FLEX_BUS_DEVICE_STATUS > DvsecFlexBusDeviceStatus; // offset 14 > + CXL_1_1_DVSEC_FLEX_BUS_DEVICE_CONTROL2 > DvsecFlexBusDeviceControl2; // offset 16 > + CXL_1_1_DVSEC_FLEX_BUS_DEVICE_STATUS2 > DvsecFlexBusDeviceStatus2; // offset 18 > + CXL_DVSEC_FLEX_BUS_DEVICE_LOCK > DvsecFlexBusDeviceLock; // offset 20 > + UINT16 Reserved; > // offset 22 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_SIZE_HIGH > DvsecFlexBusDeviceRange1SizeHigh; // offset 24 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_SIZE_LOW > DvsecFlexBusDeviceRange1SizeLow; // offset 28 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_BASE_HIGH > DvsecFlexBusDeviceRange1BaseHigh; // offset 32 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE1_BASE_LOW > DvsecFlexBusDeviceRange1BaseLow; // offset 36 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_SIZE_HIGH > DvsecFlexBusDeviceRange2SizeHigh; // offset 40 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_SIZE_LOW > DvsecFlexBusDeviceRange2SizeLow; // offset 44 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_BASE_HIGH > DvsecFlexBusDeviceRange2BaseHigh; // offset 48 > + CXL_DVSEC_FLEX_BUS_DEVICE_RANGE2_BASE_LOW > DvsecFlexBusDeviceRange2BaseLow; // offset 52 > +} CXL_1_1_DVSEC_FLEX_BUS_DEVICE; > + > +/// > +/// PCIe DVSEC for FLex Bus Port > +/// > +typedef union { > + struct { > + UINT16 CacheCapable : 1; // bit > 0 > + UINT16 IoCapable : 1; // bit > 1 > + UINT16 MemCapable : 1; // bit > 2 > + UINT16 Reserved : 13; // bit > 3..15 > + }Bits; > + UINT16 Uint16; > +} CXL_1_1_DVSEC_FLEX_BUS_PORT_CAPABILITY; > + > +typedef union { > + struct { > + UINT16 CacheEnable : 1; // bit 0 > + UINT16 IoEnable : 1; // bit 1 > + UINT16 MemEnable : 1; // bit 2 > + UINT16 CxlSyncBypassEnable : 1; // bit 3 > + UINT16 DriftBufferEnable : 1; // bit 4 > + UINT16 Reserved : 3; // bit > 5..7 > + UINT16 Retimer1Present : 1; // bit 8 > + UINT16 Retimer2Present : 1; // bit 9 > + UINT16 Reserved2 : 6; // bit > 10..15 > + }Bits; > + UINT16 Uint16; > +} CXL_1_1_DVSEC_FLEX_BUS_PORT_CONTROL; > + > +typedef union { > + struct { > + UINT16 CacheEnable : 1; // bit 0 > + UINT16 IoEnable : 1; // bit 1 > + UINT16 MemEnable : 1; // bit 2 > + UINT16 CxlSyncBypassEnable : 1; // bit 3 > + UINT16 DriftBufferEnable : 1; // bit 4 > + UINT16 Reserved : 3; // bit > 5..7 > + UINT16 CxlCorrectableProtocolIdFramingError : 1; // bit 8 > + UINT16 CxlUncorrectableProtocolIdFramingError : 1; // bit 9 > + UINT16 CxlUnexpectedProtocolIdDropped : 1; // bit > 10 > + UINT16 Reserved2 : 5; // bit > 11..15 > + }Bits; > + UINT16 Uint16; > +} CXL_1_1_DVSEC_FLEX_BUS_PORT_STATUS; > + > +typedef struct { > + PCI_EXPRESS_EXTENDED_CAPABILITIES_HEADER Header; > // offset 0 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_1 > DesignatedVendorSpecificHeader1; // offset 4 > + PCI_EXPRESS_DESIGNATED_VENDOR_SPECIFIC_HEADER_2 > DesignatedVendorSpecificHeader2; // offset 8 > + CXL_1_1_DVSEC_FLEX_BUS_PORT_CAPABILITY > DvsecFlexBusPortCapability; // offset 10 > + CXL_1_1_DVSEC_FLEX_BUS_PORT_CONTROL > DvsecFlexBusPortControl; // offset 12 > + CXL_1_1_DVSEC_FLEX_BUS_PORT_STATUS > DvsecFlexBusPortStatus; // offset 14 > +} CXL_1_1_DVSEC_FLEX_BUS_PORT; > + > +/// > +/// CXL 1.1 Upstream and Downstream Port Subsystem Component registers > +/// > + > +/// The CXL.Cache and CXL.Memory Architectural register definitions > +/// Based on section 7.2.2 of CXL Base Specification Rev. 1.1 > +///@{ > + > +#define CXL_CAPABILITY_HEADER_OFFSET 0 > +typedef union { > + struct { > + UINT32 CxlCapabilityId : 16; // bit > 0..15 > + UINT32 CxlCapabilityVersion : 4; // bit > 16..19 > + UINT32 CxlCacheMemVersion : 4; // bit > 20..23 > + UINT32 ArraySize : 8; // bit > 24..31 > + } Bits; > + UINT32 Uint32; > +} CXL_CAPABILITY_HEADER; > + > +#define CXL_RAS_CAPABILITY_HEADER_OFFSET 4 > +typedef union { > + struct { > + UINT32 CxlCapabilityId : 16; // bit > 0..15 > + UINT32 CxlCapabilityVersion : 4; // bit > 16..19 > + UINT32 CxlRasCapabilityPointer : 12; // bit > 20..31 > + } Bits; > + UINT32 Uint32; > +} CXL_RAS_CAPABILITY_HEADER; > + > +#define CXL_SECURITY_CAPABILITY_HEADER_OFFSET 8 > +typedef union { > + struct { > + UINT32 CxlCapabilityId : 16; // bit > 0..15 > + UINT32 CxlCapabilityVersion : 4; // bit > 16..19 > + UINT32 CxlSecurityCapabilityPointer : 12; // bit > 20..31 > + } Bits; > + UINT32 Uint32; > +} CXL_SECURITY_CAPABILITY_HEADER; > + > +#define CXL_LINK_CAPABILITY_HEADER_OFFSET 0xC > +typedef union { > + struct { > + UINT32 CxlCapabilityId : 16; // bit > 0..15 > + UINT32 CxlCapabilityVersion : 4; // bit > 16..19 > + UINT32 CxlLinkCapabilityPointer : 12; // bit > 20..31 > + } Bits; > + UINT32 Uint32; > +} CXL_LINK_CAPABILITY_HEADER; > + > +typedef union { > + struct { > + UINT32 CacheDataParity : 1; // bit > 0..0 > + UINT32 CacheAddressParity : 1; // bit > 1..1 > + UINT32 CacheByteEnableParity : 1; // bit > 2..2 > + UINT32 CacheDataEcc : 1; // bit > 3..3 > + UINT32 MemDataParity : 1; // bit > 4..4 > + UINT32 MemAddressParity : 1; // bit > 5..5 > + UINT32 MemByteEnableParity : 1; // bit > 6..6 > + UINT32 MemDataEcc : 1; // bit > 7..7 > + UINT32 ReInitThreshold : 1; // bit > 8..8 > + UINT32 RsvdEncodingViolation : 1; // bit > 9..9 > + UINT32 PoisonReceived : 1; // bit > 10..10 > + UINT32 ReceiverOverflow : 1; // bit > 11..11 > + UINT32 Reserved : 20; // bit > 12..31 > + } Bits; > + UINT32 Uint32; > +} CXL_1_1_UNCORRECTABLE_ERROR_STATUS; > + > +typedef union { > + struct { > + UINT32 CacheDataParityMask : 1; // bit > 0..0 > + UINT32 CacheAddressParityMask : 1; // bit > 1..1 > + UINT32 CacheByteEnableParityMask : 1; // bit > 2..2 > + UINT32 CacheDataEccMask : 1; // bit > 3..3 > + UINT32 MemDataParityMask : 1; // bit > 4..4 > + UINT32 MemAddressParityMask : 1; // bit > 5..5 > + UINT32 MemByteEnableParityMask : 1; // bit > 6..6 > + UINT32 MemDataEccMask : 1; // bit > 7..7 > + UINT32 ReInitThresholdMask : 1; // bit > 8..8 > + UINT32 RsvdEncodingViolationMask : 1; // bit > 9..9 > + UINT32 PoisonReceivedMask : 1; // bit > 10..10 > + UINT32 ReceiverOverflowMask : 1; // bit > 11..11 > + UINT32 Reserved : 20; // bit > 12..31 > + } Bits; > + UINT32 Uint32; > +} CXL_1_1_UNCORRECTABLE_ERROR_MASK; > + > +typedef union { > + struct { > + UINT32 CacheDataParitySeverity : 1; // bit > 0..0 > + UINT32 CacheAddressParitySeverity : 1; // bit > 1..1 > + UINT32 CacheByteEnableParitySeverity : 1; // bit > 2..2 > + UINT32 CacheDataEccSeverity : 1; // bit > 3..3 > + UINT32 MemDataParitySeverity : 1; // bit > 4..4 > + UINT32 MemAddressParitySeverity : 1; // bit > 5..5 > + UINT32 MemByteEnableParitySeverity : 1; // bit > 6..6 > + UINT32 MemDataEccSeverity : 1; // bit > 7..7 > + UINT32 ReInitThresholdSeverity : 1; // bit > 8..8 > + UINT32 RsvdEncodingViolationSeverity : 1; // bit > 9..9 > + UINT32 PoisonReceivedSeverity : 1; // bit > 10..10 > + UINT32 ReceiverOverflowSeverity : 1; // bit > 11..11 > + UINT32 Reserved : 20; // bit > 12..31 > + } Bits; > + UINT32 Uint32; > +} CXL_1_1_UNCORRECTABLE_ERROR_SEVERITY; > + > +typedef union { > + struct { > + UINT32 CacheDataEcc : 1; // bit > 0..0 > + UINT32 MemoryDataEcc : 1; // bit > 1..1 > + UINT32 CrcThreshold : 1; // bit > 2..2 > + UINT32 RetryThreshold : 1; // bit > 3..3 > + UINT32 CachePoisonReceived : 1; // bit > 4..4 > + UINT32 MemoryPoisonReceived : 1; // bit > 5..5 > + UINT32 PhysicalLayerError : 1; // bit > 6..6 > + UINT32 Reserved : 25; // bit > 7..31 > + } Bits; > + UINT32 Uint32; > +} CXL_CORRECTABLE_ERROR_STATUS; > + > +typedef union { > + struct { > + UINT32 CacheDataEccMask : 1; // bit > 0..0 > + UINT32 MemoryDataEccMask : 1; // bit > 1..1 > + UINT32 CrcThresholdMask : 1; // bit > 2..2 > + UINT32 RetryThresholdMask : 1; // bit > 3..3 > + UINT32 CachePoisonReceivedMask : 1; // bit > 4..4 > + UINT32 MemoryPoisonReceivedMask : 1; // bit > 5..5 > + UINT32 PhysicalLayerErrorMask : 1; // bit > 6..6 > + UINT32 Reserved : 25; // bit > 7..31 > + } Bits; > + UINT32 Uint32; > +} CXL_CORRECTABLE_ERROR_MASK; > + > +typedef union { > + struct { > + UINT32 FirstErrorPointer : 4; // bit > 0..3 > + UINT32 Reserved1 : 5; // bit > 4..8 > + UINT32 MultipleHeaderRecordingCapability : 1; // bit > 9..9 > + UINT32 Reserved2 : 3; // bit > 10..12 > + UINT32 PoisonEnabled : 1; // bit > 13..13 > + UINT32 Reserved3 : 18; // bit > 14..31 > + } Bits; > + UINT32 Uint32; > +} CXL_ERROR_CAPABILITIES_AND_CONTROL; > + > +typedef struct { > + CXL_1_1_UNCORRECTABLE_ERROR_STATUS > HeaderLog[16]; > +} CXL_HEADER_LOG; > + > +typedef struct { > + CXL_1_1_UNCORRECTABLE_ERROR_STATUS > UncorrectableErrorStatus; // offset 0 > + CXL_1_1_UNCORRECTABLE_ERROR_MASK > UncorrectableErrorMask; // offset 4 > + CXL_1_1_UNCORRECTABLE_ERROR_SEVERITY > UncorrectableErrorSeverity; // offset 8 > + CXL_CORRECTABLE_ERROR_STATUS > CorrectableErrorStatus; // offset 12 > + CXL_CORRECTABLE_ERROR_MASK > CorrectableErrorMask; // offset 16 > + CXL_ERROR_CAPABILITIES_AND_CONTROL > ErrorCapabilitiesAndControl; // offset 20 > + CXL_HEADER_LOG HeaderLog; > // offset 24 > +} CXL_1_1_RAS_CAPABILITY_STRUCTURE; > + > +typedef union { > + struct { > + UINT32 DeviceTrustLevel : 2; // bit > 0..1 > + UINT32 Reserved : 30; // bit > 2..31 > + } Bits; > + UINT32 Uint32; > +} CXL_1_1_SECURITY_POLICY; > + > +typedef struct { > + CXL_1_1_SECURITY_POLICY > SecurityPolicy; > +} CXL_1_1_SECURITY_CAPABILITY_STRUCTURE; > + > +typedef union { > + struct { > + UINT64 CxlLinkVersionSupported : 4; // bit > 0..3 > + UINT64 CxlLinkVersionReceived : 4; // bit > 4..7 > + UINT64 LlrWrapValueSupported : 8; // bit > 8..15 > + UINT64 LlrWrapValueReceived : 8; // bit > 16..23 > + UINT64 NumRetryReceived : 5; // bit > 24..28 > + UINT64 NumPhyReinitReceived : 5; // bit > 29..33 > + UINT64 WrPtrReceived : 8; // bit > 34..41 > + UINT64 EchoEseqReceived : 8; // bit > 42..49 > + UINT64 NumFreeBufReceived : 8; // bit > 50..57 > + UINT64 Reserved : 6; // bit > 58..63 > + } Bits; > + UINT64 Uint64; > +} CXL_LINK_LAYER_CAPABILITY; > + > +typedef union { > + struct { > + UINT16 LlReset : 1; // bit > 0..0 > + UINT16 LlInitStall : 1; // bit > 1..1 > + UINT16 LlCrdStall : 1; // bit > 2..2 > + UINT16 InitState : 2; // bit > 3..4 > + UINT16 LlRetryBufferConsumed : 8; // bit > 5..12 > + UINT16 Reserved : 3; // bit > 13..15 > + } Bits; > + UINT16 Uint16; > +} CXL_LINK_LAYER_CONTROL_AND_STATUS; > + > +typedef union { > + struct { > + UINT64 CacheReqCredits : 10; // bit > 0..9 > + UINT64 CacheRspCredits : 10; // bit > 10..19 > + UINT64 CacheDataCredits : 10; // bit > 20..29 > + UINT64 MemReqRspCredits : 10; // bit > 30..39 > + UINT64 MemDataCredits : 10; // bit > 40..49 > + } Bits; > + UINT64 Uint64; > +} CXL_LINK_LAYER_RX_CREDIT_CONTROL; > + > +typedef union { > + struct { > + UINT64 CacheReqCredits : 10; // bit > 0..9 > + UINT64 CacheRspCredits : 10; // bit > 10..19 > + UINT64 CacheDataCredits : 10; // bit > 20..29 > + UINT64 MemReqRspCredits : 10; // bit > 30..39 > + UINT64 MemDataCredits : 10; // bit > 40..49 > + } Bits; > + UINT64 Uint64; > +} CXL_LINK_LAYER_RX_CREDIT_RETURN_STATUS; > + > +typedef union { > + struct { > + UINT64 CacheReqCredits : 10; // bit > 0..9 > + UINT64 CacheRspCredits : 10; // bit > 10..19 > + UINT64 CacheDataCredits : 10; // bit > 20..29 > + UINT64 MemReqRspCredits : 10; // bit > 30..39 > + UINT64 MemDataCredits : 10; // bit > 40..49 > + } Bits; > + UINT64 Uint64; > +} CXL_LINK_LAYER_TX_CREDIT_STATUS; > + > +typedef union { > + struct { > + UINT32 AckForceThreshold : 8; // bit > 0..7 > + UINT32 AckFLushRetimer : 10; // bit > 8..17 > + } Bits; > + UINT32 Uint32; > +} CXL_LINK_LAYER_ACK_TIMER_CONTROL; > + > +typedef union { > + struct { > + UINT32 MdhDisable : 1; // bit > 0..0 > + UINT32 Reserved : 31; // bit > 1..31 > + } Bits; > + UINT32 Uint32; > +} CXL_LINK_LAYER_DEFEATURE; > + > +typedef struct { > + CXL_LINK_LAYER_CAPABILITY > LinkLayerCapability; // offset 0 > + CXL_LINK_LAYER_CONTROL_AND_STATUS > LinkLayerControlStatus; // offset 8 > + CXL_LINK_LAYER_RX_CREDIT_CONTROL > LinkLayerRxCreditControl; // offset 10 > + CXL_LINK_LAYER_RX_CREDIT_RETURN_STATUS > LinkLayerRxCreditReturnStatus; // offset 18 > + CXL_LINK_LAYER_TX_CREDIT_STATUS > LinkLayerTxCreditStatus; // offset 26 > + CXL_LINK_LAYER_ACK_TIMER_CONTROL > LinkLayerAckTimerControl; // offset 34 > + CXL_LINK_LAYER_DEFEATURE > LinkLayerDefeature; // offset 38 > +} CXL_1_1_LINK_CAPABILITY_STRUCTURE; > + > +#define CXL_IO_ARBITRATION_CONTROL_OFFSET 0x180 > +typedef union { > + struct { > + UINT32 Reserved1 : 4; // bit > 0..3 > + UINT32 WeightedRoundRobinArbitrationWeight : 4; // bit > 4..7 > + UINT32 Reserved2 : 24; // bit > 8..31 > + } Bits; > + UINT32 Uint32; > +} CXL_IO_ARBITRATION_CONTROL; > + > +#define CXL_CACHE_MEMORY_ARBITRATION_CONTROL_OFFSET 0x1C0 > +typedef union { > + struct { > + UINT32 Reserved1 : 4; // bit > 0..3 > + UINT32 WeightedRoundRobinArbitrationWeight : 4; // bit > 4..7 > + UINT32 Reserved2 : 24; // bit > 8..31 > + } Bits; > + UINT32 Uint32; > +} CXL_CACHE_MEMORY_ARBITRATION_CONTROL; > +///@} > + > +typedef union { > + struct { > + UINT64 RcrbEnable : 1; // bit > 0..0 > + UINT64 Reserved : 12; // bit > 1..12 > + UINT64 RcrbBaseAddress : 51; // bit > 13..63 > + } Bits; > + UINT64 Uint64; > +} CXL_RCRB_BASE; > + > +#pragma pack() > + > +#endif > diff --git a/MdePkg/Include/IndustryStandard/Pci.h > b/MdePkg/Include/IndustryStandard/Pci.h > index 8ed96b992a..86da00d4ed 100644 > --- a/MdePkg/Include/IndustryStandard/Pci.h > +++ b/MdePkg/Include/IndustryStandard/Pci.h > @@ -12,6 +12,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent > #include <IndustryStandard/Pci30.h> > #include <IndustryStandard/PciExpress21.h> > #include <IndustryStandard/PciExpress30.h> > +#include <IndustryStandard/PciExpress40.h> > #include <IndustryStandard/PciCodeId.h> > > #endif > -- > 2.21.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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