Experimental GPU overclock

app/NvAPIWrapper/GPU/PCIIdentifiers.cs

@@ -0,0 +1,114 @@
+using System;
+
+namespace NvAPIWrapper.GPU
+{
+    /// <summary>
+    ///     Contains information about the PCI connection
+    /// </summary>
+    public class PCIIdentifiers : IEquatable<PCIIdentifiers>
+    {
+        // ReSharper disable once TooManyDependencies
+        internal PCIIdentifiers(uint deviceId, uint subSystemId, uint revisionId, int externalDeviceId = 0)
+        {
+            DeviceId = deviceId;
+            SubSystemId = subSystemId;
+            RevisionId = revisionId;
+
+            if (externalDeviceId > 0)
+            {
+                ExternalDeviceId = (ushort) externalDeviceId;
+            }
+            else
+            {
+                ExternalDeviceId = (ushort) (deviceId >> 16);
+            }
+
+            VendorId = (ushort) ((DeviceId << 16) >> 16);
+        }
+
+        /// <summary>
+        ///     Gets the internal PCI device identifier
+        /// </summary>
+        public uint DeviceId { get; }
+
+        /// <summary>
+        ///     Gets the external PCI device identifier
+        /// </summary>
+        public ushort ExternalDeviceId { get; }
+
+        /// <summary>
+        ///     Gets the internal PCI device-specific revision identifier
+        /// </summary>
+        public uint RevisionId { get; }
+
+        /// <summary>
+        ///     Gets the internal PCI subsystem identifier
+        /// </summary>
+        public uint SubSystemId { get; }
+
+        /// <summary>
+        ///     Gets the vendor identification calculated from internal device identification
+        /// </summary>
+        public ushort VendorId { get; }
+
+        /// <inheritdoc />
+        public bool Equals(PCIIdentifiers other)
+        {
+            return DeviceId == other.DeviceId &&
+                   SubSystemId == other.SubSystemId &&
+                   RevisionId == other.RevisionId;
+        }
+
+        /// <summary>
+        ///     Checks for equality between two objects of same type
+        /// </summary>
+        /// <param name="left">The first object</param>
+        /// <param name="right">The second object</param>
+        /// <returns>true, if both objects are equal, otherwise false</returns>
+        public static bool operator ==(PCIIdentifiers left, PCIIdentifiers right)
+        {
+            return left.Equals(right);
+        }
+
+        /// <summary>
+        ///     Checks for inequality between two objects of same type
+        /// </summary>
+        /// <param name="left">The first object</param>
+        /// <param name="right">The second object</param>
+        /// <returns>true, if both objects are not equal, otherwise false</returns>
+        public static bool operator !=(PCIIdentifiers left, PCIIdentifiers right)
+        {
+            return !left.Equals(right);
+        }
+
+        /// <inheritdoc />
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            return obj is PCIIdentifiers identifiers && Equals(identifiers);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                var hashCode = (int) DeviceId;
+                hashCode = (hashCode * 397) ^ (int) SubSystemId;
+                hashCode = (hashCode * 397) ^ (int) RevisionId;
+
+                return hashCode;
+            }
+        }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return $"PCI\\VEN_{VendorId:X}&DEV_{ExternalDeviceId:X}&SUBSYS_{SubSystemId:X}&REV_{RevisionId:X}";
+        }
+    }
+}