MdePkg/Include/IndustryStandard/Mctp.h | 138 +++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/Mctp.h
From: Abner Chang <abner.chang@amd.com>
BZ #4355
This change adds definitions for DMTF MCTP
base specification.
Spec ref:
https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1.3.1.pdf
Signed-off-by: Abner Chang <abner.chang@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Nickle Wang <nicklew@nvidia.com>
Cc: Igor Kulchytskyy <igork@ami.com>
Cc: Isaac Oram <isaac.w.oram@intel.com>
Cc: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
Acked-by: Isaac Oram <isaac.w.oram@intel.com>
---
MdePkg/Include/IndustryStandard/Mctp.h | 138 +++++++++++++++++++++++++
1 file changed, 138 insertions(+)
create mode 100644 MdePkg/Include/IndustryStandard/Mctp.h
diff --git a/MdePkg/Include/IndustryStandard/Mctp.h b/MdePkg/Include/IndustryStandard/Mctp.h
new file mode 100644
index 00000000000..bfbc843c7f1
--- /dev/null
+++ b/MdePkg/Include/IndustryStandard/Mctp.h
@@ -0,0 +1,138 @@
+/** @file
+
+ The definitions of DMTF Management Component Transport Protocol (MCTP)
+ Base Specification.
+
+ Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Revision Reference:
+ DMTF Management Component Transport Protocol (MCTP) Base Specification
+ Version 1.3.1
+ https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1.3.1.pdf
+**/
+
+#ifndef MCTP_H_
+#define MCTP_H_
+
+///
+/// Definitions of endpoint ID
+///
+#define MCTP_NULL_DESTINATION_ENDPOINT_ID 0
+#define MCTP_NULL_SOURCE_ENDPOINT_ID 0
+#define MCTP_RESERVED_ENDPOINT_START_ID 1
+#define MCTP_RESERVED_ENDPOINT_END_ID 7
+#define MCTP_BROADCAST_ENDPOINT_ID 0xFF
+
+/// Minimum transmission size is 64 bytes.
+/// The value of 64 is defined in MCTP Base Specification.
+#define MCTP_BASELINE_MINIMUM_UNIT_TRANSMISSION_SIZE 0x40
+
+///
+/// The 32-bit Header of MCTP packet.
+///
+typedef union {
+ struct {
+ UINT8 HeaderVersion : 4; ///< The version of header.
+ UINT8 Reserved : 4; ///< Reserved for future definitions.
+ UINT8 DestinationEndpointId : 8; ///< Destination endpoint Id (EID).
+ UINT8 SourceEndpointIdId : 8; ///< Source endpoint Id (EID)
+ UINT8 MessageTag : 3; ///< Check the MCTP Base specification for the
+ ///< usages.
+ UINT8 TagOwner : 1; ///< Tag owner identifies the message was
+ ///< originated by the source EID or
+ ///< destination EID.
+ UINT8 PacketSequence : 2; ///< Sequence number increments Modulo 4 on
+ ///< each packet.
+ UINT8 EndOfMessage : 1; ///< Indicates the last packet of message.
+ UINT8 StartOfMessage : 1; ///< Indicates the first packet of message.
+ } Bits;
+ UINT32 Header;
+} MCTP_TRANSPORT_HEADER;
+
+///
+/// The 8-bit Message Header of MCTP packet.
+///
+typedef union {
+ struct {
+ UINT8 MessageType : 7;
+ UINT8 ItegrityCheck : 1;
+ } Bits;
+ UINT8 MessageHeader;
+} MCTP_MESSAGE_HEADER;
+
+///
+/// MCTP Control Commands
+///
+#define MCTP_CONTROL_RESERVED 0x00
+#define MCTP_CONTROL_SET_ENDPOINT_ID 0x01
+#define MCTP_CONTROL_GET_ENDPOINT_ID 0x02
+#define MCTP_CONTROL_GET_ENDPOINT_UUID 0x03
+#define MCTP_CONTROL_GET_MCTP_VERSION_SUPPORT 0x04
+#define MCTP_CONTROL_GET_MESSAGE_TYPE_SUPPORT 0x05
+#define MCTP_CONTROL_GET_VENDOR_DEFINED_MESSAGE_SUPPORT 0x06
+#define MCTP_CONTROL_RESOLVE_ENDPOINT_ID 0x07
+#define MCTP_CONTROL_ALLOCATE_ENDPOINT_IDS 0x08
+#define MCTP_CONTROL_ROUTING_INFORMATION_UPDATE 0x09
+#define MCTP_CONTROL_GET_ROUTINE_TABLE_ENTRIES 0x0A
+#define MCTP_CONTROL_PREPARE_FOR_ENDPOINT_DISCOVERY 0x0B
+#define MCTP_CONTROL_ENDPOINT_DISCOVERY 0x0C
+#define MCTP_CONTROL_DISCOVERY_NOTIFY 0x0D
+#define MCTP_CONTROL_GET_NETWORK_ID 0x0E
+#define MCTP_CONTROL_QUERY_HOP 0x0F
+#define MCTP_CONTROL_RESOLVE_UUID 0x10
+#define MCTP_CONTROL_QUERY_RATE_LIMIT 0x11
+#define MCTP_CONTROL_REQUEST_TX_RATE_LIMIT 0x12
+#define MCTP_CONTROL_UPDATE_RATE_LIMIT 0x13
+#define MCTP_CONTROL_QUERY_SUPPORTED_INTERFACES 0x14
+#define MCTP_CONTROL_TRANSPORT_SPECIFIC_START 0xF0
+#define MCTP_CONTROL_TRANSPORT_SPECIFIC_END 0xFF
+
+///
+/// MCTP Control Message Completion Codes
+///
+#define MCTP_CONTROL_COMPLETION_CODES_SUCCESS 0x00
+#define MCTP_CONTROL_COMPLETION_CODES_ERROR 0x01
+#define MCTP_CONTROL_COMPLETION_CODES_ERROR_INVALID_DATA 0x02
+#define MCTP_CONTROL_COMPLETION_CODES_ERROR_INVALID_LENGTH 0x03
+#define MCTP_CONTROL_COMPLETION_CODES_ERROR_NOT_READY 0x04
+#define MCTP_CONTROL_COMPLETION_CODES_ERROR_UNSUPPORTED_CMD 0x05
+#define MCTP_CONTROL_COMPLETION_CODES_COMMAND_SPECIFIC_START 0x80
+#define MCTP_CONTROL_COMPLETION_CODES_COMMAND_SPECIFIC_END 0xFF
+
+///
+/// MCTP Control Message Types
+///
+#define MCTP_MESSAGE_TYPE_CONTROL 0x00
+#define MCTP_MESSAGE_TYPE_PLDM 0x01
+#define MCTP_MESSAGE_TYPE_NCSI 0x02
+#define MCTP_MESSAGE_TYPE_ETHERNET 0x03
+#define MCTP_MESSAGE_TYPE_NVME 0x04
+#define MCTP_MESSAGE_TYPE_SPDM 0x05
+#define MCTP_MESSAGE_TYPE_SECURE_MESSAGE 0x06
+#define MCTP_MESSAGE_TYPE_CXL_FM_API 0x07
+#define MCTP_MESSAGE_TYPE_CXL_CCI 0x08
+#define MCTP_MESSAGE_TYPE_VENDOR_DEFINED_PCI 0x7E
+#define MCTP_MESSAGE_TYPE_VENDOR_DEFINED_IANA 0x7F
+
+#define MCTP_ENDPOINT_ID_NULL 0
+#define MCTP_ENDPOINT_ID_RESERVED_START 1
+#define MCTP_ENDPOINT_ID_RESERVED_END 7
+#define MCTP_ENDPOINT_ID_BROADCAST 0xff
+///
+/// MCTP Control Message Format
+///
+typedef struct {
+ struct {
+ UINT8 IntegrityCheck : 1; ///< Message integrity check.
+ UINT8 MessageType : 7; ///< Message type.
+ UINT8 RequestBit : 1; ///< Request bit.
+ UINT8 DatagramBit : 1; ///< Datagram bit.
+ UINT8 Reserved : 1; ///< Reserved bit.
+ UINT8 InstanceId : 5; ///< Instance ID.
+ UINT8 CommandCode : 8; ///< Command code of request message.
+ UINT8 CompletionCode : 8; ///< Completion code in response message.
+ } Bits;
+ UINT32 BodyHeader;
+} MCTP_CONTROL_MESSAGE;
+#endif
--
2.37.1.windows.1
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> -----Original Message-----
> From: abner.chang@amd.com <abner.chang@amd.com>
> Sent: Thursday, March 23, 2023 8:05 AM
> To: devel@edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>;
> Nickle Wang <nicklew@nvidia.com>; Igor Kulchytskyy <igork@ami.com>; Oram, Isaac W <isaac.w.oram@intel.com>; Abdul Lateef Attar
> <AbdulLateef.Attar@amd.com>
> Subject: [PATCH v3] MdePkg/Include: Add DMTF MCTP definitions
>
> From: Abner Chang <abner.chang@amd.com>
>
> BZ #4355
> This change adds definitions for DMTF MCTP
> base specification.
>
> Spec ref:
> https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1.3.1.pdf
>
> Signed-off-by: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Nickle Wang <nicklew@nvidia.com>
> Cc: Igor Kulchytskyy <igork@ami.com>
> Cc: Isaac Oram <isaac.w.oram@intel.com>
> Cc: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
> Acked-by: Isaac Oram <isaac.w.oram@intel.com>
> ---
> MdePkg/Include/IndustryStandard/Mctp.h | 138 +++++++++++++++++++++++++
> 1 file changed, 138 insertions(+)
> create mode 100644 MdePkg/Include/IndustryStandard/Mctp.h
>
> diff --git a/MdePkg/Include/IndustryStandard/Mctp.h b/MdePkg/Include/IndustryStandard/Mctp.h
> new file mode 100644
> index 00000000000..bfbc843c7f1
> --- /dev/null
> +++ b/MdePkg/Include/IndustryStandard/Mctp.h
> @@ -0,0 +1,138 @@
> +/** @file
> +
> + The definitions of DMTF Management Component Transport Protocol (MCTP)
> + Base Specification.
> +
> + Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> + @par Revision Reference:
> + DMTF Management Component Transport Protocol (MCTP) Base Specification
> + Version 1.3.1
> + https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1.3.1.pdf
> +**/
> +
> +#ifndef MCTP_H_
> +#define MCTP_H_
> +
> +///
> +/// Definitions of endpoint ID
> +///
> +#define MCTP_NULL_DESTINATION_ENDPOINT_ID 0
> +#define MCTP_NULL_SOURCE_ENDPOINT_ID 0
> +#define MCTP_RESERVED_ENDPOINT_START_ID 1
> +#define MCTP_RESERVED_ENDPOINT_END_ID 7
> +#define MCTP_BROADCAST_ENDPOINT_ID 0xFF
> +
> +/// Minimum transmission size is 64 bytes.
> +/// The value of 64 is defined in MCTP Base Specification.
> +#define MCTP_BASELINE_MINIMUM_UNIT_TRANSMISSION_SIZE 0x40
> +
> +///
> +/// The 32-bit Header of MCTP packet.
> +///
> +typedef union {
> + struct {
> + UINT8 HeaderVersion : 4; ///< The version of header.
> + UINT8 Reserved : 4; ///< Reserved for future definitions.
> + UINT8 DestinationEndpointId : 8; ///< Destination endpoint Id (EID).
> + UINT8 SourceEndpointIdId : 8; ///< Source endpoint Id (EID)
> + UINT8 MessageTag : 3; ///< Check the MCTP Base specification for the
> + ///< usages.
> + UINT8 TagOwner : 1; ///< Tag owner identifies the message was
> + ///< originated by the source EID or
> + ///< destination EID.
> + UINT8 PacketSequence : 2; ///< Sequence number increments Modulo 4 on
> + ///< each packet.
> + UINT8 EndOfMessage : 1; ///< Indicates the last packet of message.
> + UINT8 StartOfMessage : 1; ///< Indicates the first packet of message.
These bitfields should be type UINT32
> + } Bits;
> + UINT32 Header;
> +} MCTP_TRANSPORT_HEADER;
> +
> +///
> +/// The 8-bit Message Header of MCTP packet.
> +///
> +typedef union {
> + struct {
> + UINT8 MessageType : 7;
> + UINT8 ItegrityCheck : 1;
> + } Bits;
> + UINT8 MessageHeader;
> +} MCTP_MESSAGE_HEADER;
> +
> +///
> +/// MCTP Control Commands
> +///
> +#define MCTP_CONTROL_RESERVED 0x00
> +#define MCTP_CONTROL_SET_ENDPOINT_ID 0x01
> +#define MCTP_CONTROL_GET_ENDPOINT_ID 0x02
> +#define MCTP_CONTROL_GET_ENDPOINT_UUID 0x03
> +#define MCTP_CONTROL_GET_MCTP_VERSION_SUPPORT 0x04
> +#define MCTP_CONTROL_GET_MESSAGE_TYPE_SUPPORT 0x05
> +#define MCTP_CONTROL_GET_VENDOR_DEFINED_MESSAGE_SUPPORT 0x06
> +#define MCTP_CONTROL_RESOLVE_ENDPOINT_ID 0x07
> +#define MCTP_CONTROL_ALLOCATE_ENDPOINT_IDS 0x08
> +#define MCTP_CONTROL_ROUTING_INFORMATION_UPDATE 0x09
> +#define MCTP_CONTROL_GET_ROUTINE_TABLE_ENTRIES 0x0A
> +#define MCTP_CONTROL_PREPARE_FOR_ENDPOINT_DISCOVERY 0x0B
> +#define MCTP_CONTROL_ENDPOINT_DISCOVERY 0x0C
> +#define MCTP_CONTROL_DISCOVERY_NOTIFY 0x0D
> +#define MCTP_CONTROL_GET_NETWORK_ID 0x0E
> +#define MCTP_CONTROL_QUERY_HOP 0x0F
> +#define MCTP_CONTROL_RESOLVE_UUID 0x10
> +#define MCTP_CONTROL_QUERY_RATE_LIMIT 0x11
> +#define MCTP_CONTROL_REQUEST_TX_RATE_LIMIT 0x12
> +#define MCTP_CONTROL_UPDATE_RATE_LIMIT 0x13
> +#define MCTP_CONTROL_QUERY_SUPPORTED_INTERFACES 0x14
> +#define MCTP_CONTROL_TRANSPORT_SPECIFIC_START 0xF0
> +#define MCTP_CONTROL_TRANSPORT_SPECIFIC_END 0xFF
> +
> +///
> +/// MCTP Control Message Completion Codes
> +///
> +#define MCTP_CONTROL_COMPLETION_CODES_SUCCESS 0x00
> +#define MCTP_CONTROL_COMPLETION_CODES_ERROR 0x01
> +#define MCTP_CONTROL_COMPLETION_CODES_ERROR_INVALID_DATA 0x02
> +#define MCTP_CONTROL_COMPLETION_CODES_ERROR_INVALID_LENGTH 0x03
> +#define MCTP_CONTROL_COMPLETION_CODES_ERROR_NOT_READY 0x04
> +#define MCTP_CONTROL_COMPLETION_CODES_ERROR_UNSUPPORTED_CMD 0x05
> +#define MCTP_CONTROL_COMPLETION_CODES_COMMAND_SPECIFIC_START 0x80
> +#define MCTP_CONTROL_COMPLETION_CODES_COMMAND_SPECIFIC_END 0xFF
> +
> +///
> +/// MCTP Control Message Types
> +///
> +#define MCTP_MESSAGE_TYPE_CONTROL 0x00
> +#define MCTP_MESSAGE_TYPE_PLDM 0x01
> +#define MCTP_MESSAGE_TYPE_NCSI 0x02
> +#define MCTP_MESSAGE_TYPE_ETHERNET 0x03
> +#define MCTP_MESSAGE_TYPE_NVME 0x04
> +#define MCTP_MESSAGE_TYPE_SPDM 0x05
> +#define MCTP_MESSAGE_TYPE_SECURE_MESSAGE 0x06
> +#define MCTP_MESSAGE_TYPE_CXL_FM_API 0x07
> +#define MCTP_MESSAGE_TYPE_CXL_CCI 0x08
> +#define MCTP_MESSAGE_TYPE_VENDOR_DEFINED_PCI 0x7E
> +#define MCTP_MESSAGE_TYPE_VENDOR_DEFINED_IANA 0x7F
> +
> +#define MCTP_ENDPOINT_ID_NULL 0
> +#define MCTP_ENDPOINT_ID_RESERVED_START 1
> +#define MCTP_ENDPOINT_ID_RESERVED_END 7
> +#define MCTP_ENDPOINT_ID_BROADCAST 0xff
> +///
> +/// MCTP Control Message Format
> +///
> +typedef struct {
> + struct {
> + UINT8 IntegrityCheck : 1; ///< Message integrity check.
> + UINT8 MessageType : 7; ///< Message type.
> + UINT8 RequestBit : 1; ///< Request bit.
> + UINT8 DatagramBit : 1; ///< Datagram bit.
> + UINT8 Reserved : 1; ///< Reserved bit.
> + UINT8 InstanceId : 5; ///< Instance ID.
> + UINT8 CommandCode : 8; ///< Command code of request message.
> + UINT8 CompletionCode : 8; ///< Completion code in response message.
These bitfields should be type UINT32.
> + } Bits;
> + UINT32 BodyHeader;
> +} MCTP_CONTROL_MESSAGE;
> +#endif
> --
> 2.37.1.windows.1
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[AMD Official Use Only - General]
Hi Mike,
MCTP v4 was just sent.
Thanks
Abner
> -----Original Message-----
> From: Kinney, Michael D <michael.d.kinney@intel.com>
> Sent: Friday, March 24, 2023 6:24 AM
> To: Chang, Abner <Abner.Chang@amd.com>; devel@edk2.groups.io
> Cc: Gao, Liming <gaoliming@byosoft.com.cn>; Liu, Zhiguang
> <zhiguang.liu@intel.com>; Nickle Wang <nicklew@nvidia.com>; Igor
> Kulchytskyy <igork@ami.com>; Oram, Isaac W <isaac.w.oram@intel.com>;
> Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Kinney,
> Michael D <michael.d.kinney@intel.com>
> Subject: RE: [PATCH v3] MdePkg/Include: Add DMTF MCTP definitions
>
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
> > -----Original Message-----
> > From: abner.chang@amd.com <abner.chang@amd.com>
> > Sent: Thursday, March 23, 2023 8:05 AM
> > To: devel@edk2.groups.io
> > Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> > <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>;
> > Nickle Wang <nicklew@nvidia.com>; Igor Kulchytskyy <igork@ami.com>;
> > Oram, Isaac W <isaac.w.oram@intel.com>; Abdul Lateef Attar
> > <AbdulLateef.Attar@amd.com>
> > Subject: [PATCH v3] MdePkg/Include: Add DMTF MCTP definitions
> >
> > From: Abner Chang <abner.chang@amd.com>
> >
> > BZ #4355
> > This change adds definitions for DMTF MCTP base specification.
> >
> > Spec ref:
> >
> https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_1
> > .3.1.pdf
> >
> > Signed-off-by: Abner Chang <abner.chang@amd.com>
> > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > Cc: Liming Gao <gaoliming@byosoft.com.cn>
> > Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> > Cc: Nickle Wang <nicklew@nvidia.com>
> > Cc: Igor Kulchytskyy <igork@ami.com>
> > Cc: Isaac Oram <isaac.w.oram@intel.com>
> > Cc: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
> > Acked-by: Isaac Oram <isaac.w.oram@intel.com>
> > ---
> > MdePkg/Include/IndustryStandard/Mctp.h | 138
> > +++++++++++++++++++++++++
> > 1 file changed, 138 insertions(+)
> > create mode 100644 MdePkg/Include/IndustryStandard/Mctp.h
> >
> > diff --git a/MdePkg/Include/IndustryStandard/Mctp.h
> > b/MdePkg/Include/IndustryStandard/Mctp.h
> > new file mode 100644
> > index 00000000000..bfbc843c7f1
> > --- /dev/null
> > +++ b/MdePkg/Include/IndustryStandard/Mctp.h
> > @@ -0,0 +1,138 @@
> > +/** @file
> > +
> > + The definitions of DMTF Management Component Transport Protocol
> > + (MCTP) Base Specification.
> > +
> > + Copyright (C) 2023 Advanced Micro Devices, Inc. All rights
> > + reserved.<BR>
> > + SPDX-License-Identifier: BSD-2-Clause-Patent
> > +
> > + @par Revision Reference:
> > + DMTF Management Component Transport Protocol (MCTP) Base
> > +Specification
> > + Version 1.3.1
> > +
> >
> +https://www.dmtf.org/sites/default/files/standards/documents/DSP0236_
> > +1.3.1.pdf
> > +**/
> > +
> > +#ifndef MCTP_H_
> > +#define MCTP_H_
> > +
> > +///
> > +/// Definitions of endpoint ID
> > +///
> > +#define MCTP_NULL_DESTINATION_ENDPOINT_ID 0
> > +#define MCTP_NULL_SOURCE_ENDPOINT_ID 0
> > +#define MCTP_RESERVED_ENDPOINT_START_ID 1
> > +#define MCTP_RESERVED_ENDPOINT_END_ID 7
> > +#define MCTP_BROADCAST_ENDPOINT_ID 0xFF
> > +
> > +/// Minimum transmission size is 64 bytes.
> > +/// The value of 64 is defined in MCTP Base Specification.
> > +#define MCTP_BASELINE_MINIMUM_UNIT_TRANSMISSION_SIZE 0x40
> > +
> > +///
> > +/// The 32-bit Header of MCTP packet.
> > +///
> > +typedef union {
> > + struct {
> > + UINT8 HeaderVersion : 4; ///< The version of header.
> > + UINT8 Reserved : 4; ///< Reserved for future definitions.
> > + UINT8 DestinationEndpointId : 8; ///< Destination endpoint Id (EID).
> > + UINT8 SourceEndpointIdId : 8; ///< Source endpoint Id (EID)
> > + UINT8 MessageTag : 3; ///< Check the MCTP Base specification
> for the
> > + ///< usages.
> > + UINT8 TagOwner : 1; ///< Tag owner identifies the message was
> > + ///< originated by the source EID or
> > + ///< destination EID.
> > + UINT8 PacketSequence : 2; ///< Sequence number increments
> Modulo 4 on
> > + ///< each packet.
> > + UINT8 EndOfMessage : 1; ///< Indicates the last packet of
> message.
> > + UINT8 StartOfMessage : 1; ///< Indicates the first packet of
> message.
>
> These bitfields should be type UINT32
>
> > + } Bits;
> > + UINT32 Header;
> > +} MCTP_TRANSPORT_HEADER;
> > +
> > +///
> > +/// The 8-bit Message Header of MCTP packet.
> > +///
> > +typedef union {
> > + struct {
> > + UINT8 MessageType : 7;
> > + UINT8 ItegrityCheck : 1;
> > + } Bits;
> > + UINT8 MessageHeader;
> > +} MCTP_MESSAGE_HEADER;
> > +
> > +///
> > +/// MCTP Control Commands
> > +///
> > +#define MCTP_CONTROL_RESERVED 0x00
> > +#define MCTP_CONTROL_SET_ENDPOINT_ID 0x01
> > +#define MCTP_CONTROL_GET_ENDPOINT_ID 0x02
> > +#define MCTP_CONTROL_GET_ENDPOINT_UUID 0x03
> > +#define MCTP_CONTROL_GET_MCTP_VERSION_SUPPORT 0x04
> > +#define MCTP_CONTROL_GET_MESSAGE_TYPE_SUPPORT 0x05
> > +#define MCTP_CONTROL_GET_VENDOR_DEFINED_MESSAGE_SUPPORT
> 0x06
> > +#define MCTP_CONTROL_RESOLVE_ENDPOINT_ID 0x07
> > +#define MCTP_CONTROL_ALLOCATE_ENDPOINT_IDS 0x08
> > +#define MCTP_CONTROL_ROUTING_INFORMATION_UPDATE 0x09
> > +#define MCTP_CONTROL_GET_ROUTINE_TABLE_ENTRIES 0x0A
> > +#define MCTP_CONTROL_PREPARE_FOR_ENDPOINT_DISCOVERY
> 0x0B
> > +#define MCTP_CONTROL_ENDPOINT_DISCOVERY 0x0C
> > +#define MCTP_CONTROL_DISCOVERY_NOTIFY 0x0D
> > +#define MCTP_CONTROL_GET_NETWORK_ID 0x0E
> > +#define MCTP_CONTROL_QUERY_HOP 0x0F
> > +#define MCTP_CONTROL_RESOLVE_UUID 0x10
> > +#define MCTP_CONTROL_QUERY_RATE_LIMIT 0x11
> > +#define MCTP_CONTROL_REQUEST_TX_RATE_LIMIT 0x12
> > +#define MCTP_CONTROL_UPDATE_RATE_LIMIT 0x13
> > +#define MCTP_CONTROL_QUERY_SUPPORTED_INTERFACES 0x14
> > +#define MCTP_CONTROL_TRANSPORT_SPECIFIC_START 0xF0
> > +#define MCTP_CONTROL_TRANSPORT_SPECIFIC_END 0xFF
> > +
> > +///
> > +/// MCTP Control Message Completion Codes ///
> > +#define MCTP_CONTROL_COMPLETION_CODES_SUCCESS 0x00
> > +#define MCTP_CONTROL_COMPLETION_CODES_ERROR 0x01
> > +#define MCTP_CONTROL_COMPLETION_CODES_ERROR_INVALID_DATA
> 0x02
> > +#define
> MCTP_CONTROL_COMPLETION_CODES_ERROR_INVALID_LENGTH 0x03
> > +#define MCTP_CONTROL_COMPLETION_CODES_ERROR_NOT_READY
> 0x04
> > +#define
> MCTP_CONTROL_COMPLETION_CODES_ERROR_UNSUPPORTED_CMD 0x05
> > +#define
> MCTP_CONTROL_COMPLETION_CODES_COMMAND_SPECIFIC_START 0x80
> > +#define
> MCTP_CONTROL_COMPLETION_CODES_COMMAND_SPECIFIC_END 0xFF
> > +
> > +///
> > +/// MCTP Control Message Types
> > +///
> > +#define MCTP_MESSAGE_TYPE_CONTROL 0x00
> > +#define MCTP_MESSAGE_TYPE_PLDM 0x01
> > +#define MCTP_MESSAGE_TYPE_NCSI 0x02
> > +#define MCTP_MESSAGE_TYPE_ETHERNET 0x03
> > +#define MCTP_MESSAGE_TYPE_NVME 0x04
> > +#define MCTP_MESSAGE_TYPE_SPDM 0x05
> > +#define MCTP_MESSAGE_TYPE_SECURE_MESSAGE 0x06
> > +#define MCTP_MESSAGE_TYPE_CXL_FM_API 0x07
> > +#define MCTP_MESSAGE_TYPE_CXL_CCI 0x08
> > +#define MCTP_MESSAGE_TYPE_VENDOR_DEFINED_PCI 0x7E
> > +#define MCTP_MESSAGE_TYPE_VENDOR_DEFINED_IANA 0x7F
> > +
> > +#define MCTP_ENDPOINT_ID_NULL 0
> > +#define MCTP_ENDPOINT_ID_RESERVED_START 1
> > +#define MCTP_ENDPOINT_ID_RESERVED_END 7
> > +#define MCTP_ENDPOINT_ID_BROADCAST 0xff
> > +///
> > +/// MCTP Control Message Format
> > +///
> > +typedef struct {
> > + struct {
> > + UINT8 IntegrityCheck : 1; ///< Message integrity check.
> > + UINT8 MessageType : 7; ///< Message type.
> > + UINT8 RequestBit : 1; ///< Request bit.
> > + UINT8 DatagramBit : 1; ///< Datagram bit.
> > + UINT8 Reserved : 1; ///< Reserved bit.
> > + UINT8 InstanceId : 5; ///< Instance ID.
> > + UINT8 CommandCode : 8; ///< Command code of request message.
> > + UINT8 CompletionCode : 8; ///< Completion code in response
> message.
>
> These bitfields should be type UINT32.
>
> > + } Bits;
> > + UINT32 BodyHeader;
> > +} MCTP_CONTROL_MESSAGE;
> > +#endif
> > --
> > 2.37.1.windows.1
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