From: Abner Chang <abner.ch...@amd.com>
Add C header file of MCTP manageability transport
interface library.
Signed-off-by: Abner Chang <abner.ch...@amd.com>
Cc: Isaac Oram <isaac.w.o...@intel.com>
Cc: Abdul Lateef Attar <abdat...@amd.com>
Cc: Nickle Wang <nick...@nvidia.com>
Cc: Igor Kulchytskyy <ig...@ami.com>
Reviewed-by: Nickle Wang <nick...@nvidia.com>
---
.../Library/ManageabilityTransportMctpLib.h | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644
Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
diff --git
a/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
b/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
new file mode 100644
index 0000000000..43bd142f4c
--- /dev/null
+++ b/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
@@ -0,0 +1,54 @@
+/** @file
+
+ This file defines the manageability MCTP protocol specific transport data.
+
+ Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MANAGEABILITY_TRANSPORT_MCTP_LIB_H_
+#define MANAGEABILITY_TRANSPORT_MCTP_LIB_H_
+
+#include <Library/ManageabilityTransportLib.h>
+
+#define MCTP_KCS_HEADER_VERSION 0x01
+
+// According to SMBUS spec, the polynomial is:
+// C(x) = X^8 + X^2 + X^1 + 1, which is 0x107,
+// just ignore bit8 in definition.
+#define MCTP_KCS_PACKET_ERROR_CODE_POLY 0x07
+
+///
+/// The MCTP Message header which is apart from
+/// the payload.
+///
+
+typedef struct {
+ UINT8 IntegrityCheck : 1; ///< Message integrity check.
+ UINT8 MessageType : 7; ///< Message type.
+} MANAGEABILITY_MCTP_MESSAGE_HEADER;
+
+typedef struct {
+ UINT8 SourceEndpointId;
+ UINT8 DestinationEndpointId;
+ MANAGEABILITY_MCTP_MESSAGE_HEADER MessageHeader;
+} MANAGEABILITY_MCTP_TRANSPORT_HEADER;
+
+typedef struct {
+ UINT8 NetFunc; ///< Message integrity check.
+ UINT8 DefiningBody; ///< Message type.
+ UINT8 ByteCount; ///< Byte count of payload.
+} MANAGEABILITY_MCTP_KCS_HEADER;
+#define MCTP_KCS_NETFN_LUN 0xb0
+#define DEFINING_BODY_DMTF_PRE_OS_WORKING_GROUP 0x01
+
+// This is used to track the response message. This value
+// is not defined by the specification.
+#define MCTP_MESSAGE_TAG 0x1
+
+#define MCTP_MESSAGE_TAG_OWNER_REQUEST 0x01
+#define MCTP_MESSAGE_TAG_OWNER_RESPONSE 0x01
+
+#define MCTP_PACKET_SEQUENCE_MASK 0x3
+
+#endif // MANAGEABILITY_TRANSPORT_MCTP_LIB_H_
--
2.37.1.windows.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#103362): https://edk2.groups.io/g/devel/message/103362
Mute This Topic: https://groups.io/mt/98404959/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
