1 files changed, 70 insertions, 0 deletions
diff --git a/dev/kernel/SwapKit/DiskSwap.h b/dev/kernel/SwapKit/DiskSwap.h
new file mode 100644
index 00000000..b9c31a65
--- /dev/null
+++ b/dev/kernel/SwapKit/DiskSwap.h
@@ -0,0 +1,70 @@
+
+/* -------------------------------------------
+
+	Copyright (C) 2024-2025 Amlal EL Mahrouss Labs, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Defines.h>
+#include <CompilerKit/CompilerKit.h>
+
+#define kSwapBlockMaxSize (mib_cast(16))
+#define kSwapPageFile	  "/boot/pagefile.sys"
+
+/// @file SwapDisk.h
+/// @brief Virtual memory swap disk.
+
+namespace NeOS
+{
+	struct SWAP_DISK_HEADER;
+
+	/// @brief Virtual memory interface to swap memory chunks onto disk.
+	class SwapDiskInterface final
+	{
+	public:
+		explicit SwapDiskInterface() = default;
+		~SwapDiskInterface()		 = default;
+
+		NE_COPY_DEFAULT(SwapDiskInterface);
+
+	public:
+		/***********************************************************************************/
+		/// @brief Write memory chunk onto disk.
+		/// @param fork_name The swap name to recognize this memory region.
+		/// @param fork_name_len length of fork name.
+		/// @param data the data packet.
+		/// @return Whether the swap was written to disk, or not.
+		/***********************************************************************************/
+		BOOL Write(const Char* fork_name, const SizeT fork_name_len, SWAP_DISK_HEADER* data);
+
+		/***********************************************************************************/
+		/// @brief Read memory chunk from disk.
+		/// @param fork_name The swap name to recognize this memory region.
+		/// @param fork_name_len length of fork name.
+		/// @param data the data packet length.
+		/// @return Whether the swap was fetched to disk, or not.
+		/***********************************************************************************/
+		SWAP_DISK_HEADER* Read(const Char* fork_name, const SizeT fork_name_len, const SizeT data_len);
+	};
+
+	/// @brief Swap disk header, containing information about the held virtual memory.
+	/// @param fMagic Ident number.
+	/// @param fHeaderSz This header size.
+	/// @param fTeamID Process Team ID.
+	/// @param fProcessID Process ID.
+	/// @param fVirtualAddress Virtual address pointed by data.
+	/// @param fBlobSz Blob's size.
+	/// @param fBlob Data blob.
+	typedef struct SWAP_DISK_HEADER
+	{
+		UInt32 fMagic;
+		SizeT  fHeaderSz;
+		UInt64 fTeamID;
+		UInt64 fProcessID;
+		UInt64 fVirtualAddress;
+		SizeT  fBlobSz;
+		UInt8  fBlob[];
+	} PACKED SWAP_DISK_HEADER;
+} // namespace NeOS