Added voltage domain support and helpers to clock boost lock

Author: Metanome

NvAPIWrapper/Native/GPU/PublicClockDomain.cs

@@ -1,4 +1,4 @@
-using NvAPIWrapper.Native.GPU.Structures;
+using NvAPIWrapper.Native.GPU.Structures;
 
 namespace NvAPIWrapper.Native.GPU
 {
@@ -22,6 +22,11 @@ public enum PublicClockDomain
         /// </summary>
         Memory = 4,
 
+        /// <summary>
+        ///     Voltage / V/F curve lock
+        /// </summary>
+        Voltage = 6,
+
         /// <summary>
         ///     Processor clock
         /// </summary>

NvAPIWrapper/Native/GPU/Structures/PrivateClockBoostLockV2.cs

@@ -69,7 +69,8 @@ public static PrivateClockBoostLockV2 CreatePStateAndFrequencyLock(PerformanceSt
         }
 
         /// <summary>
-        ///     Creates a reset configuration to return clocks to dynamic management
+        ///     Creates a reset configuration to return clock and performance state domains (0, 1, 4, 5) to dynamic management.
+        ///     To reset voltage lock (Domain 6), use <see cref="CreateVoltageReset" />.
         /// </summary>
         public static PrivateClockBoostLockV2 CreateDynamicReset()
         {
@@ -82,6 +83,29 @@ public static PrivateClockBoostLockV2 CreateDynamicReset()
             });
         }
 
+        /// <summary>
+        ///     Creates a lock configuration for a target voltage (Domain 6)
+        /// </summary>
+        /// <param name="voltageInMicroV">The target voltage in uV.</param>
+        public static PrivateClockBoostLockV2 CreateVoltageLock(uint voltageInMicroV)
+        {
+            return new PrivateClockBoostLockV2(new[]
+            {
+                ClockBoostLock.CreateVoltageLock(voltageInMicroV)
+            });
+        }
+
+        /// <summary>
+        ///     Creates a reset configuration for voltage (Domain 6) to return to dynamic management
+        /// </summary>
+        public static PrivateClockBoostLockV2 CreateVoltageReset()
+        {
+            return new PrivateClockBoostLockV2(new[]
+            {
+                ClockBoostLock.CreateVoltageReset()
+            });
+        }
+
         /// <summary>
         ///     Contains information regarding a clock boost lock entry
         /// </summary>
@@ -208,6 +232,37 @@ public static ClockBoostLock CreateDynamicReset(uint domain)
                 lockEntry._Flag = 0;
                 return lockEntry;
             }
+
+            /// <summary>
+            ///     Creates a voltage lock entry (Domain 6, Manual mode)
+            /// </summary>
+            /// <param name="voltageInMicroV">The target voltage in uV.</param>
+            public static ClockBoostLock CreateVoltageLock(uint voltageInMicroV)
+            {
+                var lockEntry = new ClockBoostLock();
+                lockEntry._ClockDomain = PublicClockDomain.Voltage;
+                lockEntry._Mode = 0;
+                lockEntry._LockMode = ClockLockMode.Manual;
+                lockEntry._Value = 0;
+                lockEntry._VoltageInMicroV = voltageInMicroV;
+                lockEntry._Flag = 0;
+                return lockEntry;
+            }
+
+            /// <summary>
+            ///     Creates a voltage reset entry (Domain 6, Dynamic mode)
+            /// </summary>
+            public static ClockBoostLock CreateVoltageReset()
+            {
+                var lockEntry = new ClockBoostLock();
+                lockEntry._ClockDomain = PublicClockDomain.Voltage;
+                lockEntry._Mode = 0;
+                lockEntry._LockMode = ClockLockMode.None;
+                lockEntry._Value = 0;
+                lockEntry._VoltageInMicroV = 0;
+                lockEntry._Flag = 0;
+                return lockEntry;
+            }
         }
     }
 }

NvAPIWrapper/Native/GPUApi.Performance.cs

@@ -95,13 +95,17 @@ public static IClockFrequencies GetAllClockFrequencies(
 
         /// <summary>
         ///     [PRIVATE] - [Pascal Only]
-        ///     Gets the clock boost lock for the passed GPU handle.
+        ///     Gets the clock boost lock for the passed GPU handle and target clock domain.
         /// </summary>
         /// <param name="gpuHandle">The handle of the GPU to perform the operation on.</param>
+        /// <param name="clockDomain">The clock domain to query. Defaults to <see cref="PublicClockDomain.Graphics" />.</param>
         /// <returns>The GPU clock boost lock.</returns>
-        public static PrivateClockBoostLockV2 GetClockBoostLock(PhysicalGPUHandle gpuHandle)
+        public static PrivateClockBoostLockV2 GetClockBoostLock(
+            PhysicalGPUHandle gpuHandle,
+            PublicClockDomain clockDomain = PublicClockDomain.Graphics)
         {
-            var instance = typeof(PrivateClockBoostLockV2).Instantiate<PrivateClockBoostLockV2>();
+            var lockEntry = new PrivateClockBoostLockV2.ClockBoostLock(clockDomain, ClockLockMode.None, 0);
+            var instance = new PrivateClockBoostLockV2(new[] { lockEntry });
 
             using (var clockLockReference = ValueTypeReference.FromValueType(instance))
             {