1 files changed, 17 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/Ipmi.h b/MdePkg/Include/IndustryStandard/Ipmi.h
index 9d1d412b53..d6e7436b5a 100644
--- a/MdePkg/Include/IndustryStandard/Ipmi.h
+++ b/MdePkg/Include/IndustryStandard/Ipmi.h
@@ -6,6 +6,7 @@
   and Appendix H, Sub-function Assignments.
 
   Copyright (c) 1999 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
@@ -52,4 +53,20 @@
 #define IPMI_COMP_CODE_SUBFUNCTION_DISABLED             0xD6
 #define IPMI_COMP_CODE_UNSPECIFIED                      0xFF
 
+#define IPMI_CHANNEL_NUMBER_PRIMARY_IPMB                0x00
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_1   0x01
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_2   0x02
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_3   0x03
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_4   0x04
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_5   0x05
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_6   0x06
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_7   0x07
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_8   0x08
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_9   0x09
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_10  0x0A
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_SPECIFIC_11  0x0B
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_RESERVED_12  0x0C
+#define IPMI_CHANNEL_NUMBER_IMPLEMENTATION_RESERVED_13  0x0D
+#define IPMI_CHANNEL_NUMBER_PRIMARY_PRESENT_IF          0x0E
+#define IPMI_CHANNEL_NUMBER_PRIMARY_SYSTEM_INTERFACE    0x0F
 #endif