--- /dev/null
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef SMU_11_8_0_PPSMC_H
+#define SMU_11_8_0_PPSMC_H
+
+// SMU Response Codes:
+#define PPSMC_Result_OK 0x1
+#define PPSMC_Result_Failed 0xFF
+#define PPSMC_Result_UnknownCmd 0xFE
+#define PPSMC_Result_CmdRejectedPrereq 0xFD
+#define PPSMC_Result_CmdRejectedBusy 0xFC
+
+// Message Definitions:
+#define PPSMC_MSG_TestMessage 0x1
+#define PPSMC_MSG_GetSmuVersion 0x2
+#define PPSMC_MSG_GetDriverIfVersion 0x3
+#define PPSMC_MSG_SetDriverTableDramAddrHigh 0x4
+#define PPSMC_MSG_SetDriverTableDramAddrLow 0x5
+#define PPSMC_MSG_TransferTableSmu2Dram 0x6
+#define PPSMC_MSG_TransferTableDram2Smu 0x7
+#define PPSMC_MSG_Rsvd1 0xA
+#define PPSMC_MSG_RequestCorePstate 0xB
+#define PPSMC_MSG_QueryCorePstate 0xC
+#define PPSMC_MSG_Rsvd2 0xD
+#define PPSMC_MSG_RequestGfxclk 0xE
+#define PPSMC_MSG_QueryGfxclk 0xF
+#define PPSMC_MSG_QueryVddcrSocClock 0x11
+#define PPSMC_MSG_QueryDfPstate 0x13
+#define PPSMC_MSG_Rsvd3 0x14
+#define PPSMC_MSG_ConfigureS3PwrOffRegisterAddressHigh 0x16
+#define PPSMC_MSG_ConfigureS3PwrOffRegisterAddressLow 0x17
+#define PPSMC_MSG_RequestActiveWgp 0x18
+#define PPSMC_MSG_SetMinDeepSleepGfxclkFreq 0x19
+#define PPSMC_MSG_SetMaxDeepSleepDfllGfxDiv 0x1A
+#define PPSMC_MSG_StartTelemetryReporting 0x1B
+#define PPSMC_MSG_StopTelemetryReporting 0x1C
+#define PPSMC_MSG_ClearTelemetryMax 0x1D
+#define PPSMC_MSG_QueryActiveWgp 0x1E
+#define PPSMC_MSG_SetCoreEnableMask 0x2C
+#define PPSMC_MSG_InitiateGcRsmuSoftReset 0x2E
+#define PPSMC_MSG_GfxCacWeightOperation 0x2F
+#define PPSMC_MSG_L3CacWeightOperation 0x30
+#define PPSMC_MSG_PackCoreCacWeight 0x31
+#define PPSMC_MSG_SetDriverTableVMID 0x34
+#define PPSMC_MSG_SetSoftMinCclk 0x35
+#define PPSMC_MSG_SetSoftMaxCclk 0x36
+#define PPSMC_Message_Count 0x37
+
+#endif