1 files changed, 59 insertions, 0 deletions
diff --git a/dev/kernel/KernelKit/PCI/PCI.h b/dev/kernel/KernelKit/PCI/PCI.h
new file mode 100644
index 00000000..7eec9ec1
--- /dev/null
+++ b/dev/kernel/KernelKit/PCI/PCI.h
@@ -0,0 +1,59 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Defines.h>
+
+#define kPCIConfigAddressPort (0xCF8)
+#define kPCIConfigDataPort	  (0xCFC)
+
+#define kPCIDeviceCount (32)
+#define kPCIFuncCount	(8)
+#define kPCIBusCount	(256U)
+
+namespace NeOS::PCI
+{
+	// model
+	struct DeviceHeader
+	{
+		UInt16 VendorId;
+		UInt16 DeviceId;
+		UInt8  Command;
+		UInt8  Status;
+		UInt8  RevisionId;
+		UInt8  ProgIf;
+		UInt8  SubClass;
+		UInt8  Class;
+		UInt8  CacheLineSz;
+		UInt8  LatencyTimer;
+		UInt8  HeaderType;
+		UInt8  Bist;
+		UInt8  Bus;
+		UInt8  Device;
+		UInt8  Function;
+	};
+
+	namespace Detail
+	{
+		class BAR
+		{
+		public:
+			UIntPtr BAR;
+			SizeT	Size;
+		};
+	} // namespace Detail
+
+	class BAR
+	{
+	public:
+		Detail::BAR BAR1;
+		Detail::BAR BAR2;
+		Detail::BAR BAR3;
+		Detail::BAR BAR4;
+		Detail::BAR BAR5;
+	};
+} // namespace NeOS::PCI