1 files changed, 36 insertions, 0 deletions
diff --git a/Kernel/StorageKit/PRDT.hpp b/Kernel/StorageKit/PRDT.hpp
new file mode 100644
index 00000000..ae6166ce
--- /dev/null
+++ b/Kernel/StorageKit/PRDT.hpp
@@ -0,0 +1,36 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#pragma once
+
+#include <KernelKit/PCI/Dma.hpp>
+#include <KernelKit/PCI/Iterator.hpp>
+#include <NewKit/Ref.hpp>
+
+#define kPrdtTransferSize (sizeof(NewOS::UShort))
+
+namespace NewOS
+{
+	/// @brief Tranfer information about PRD.
+	enum kPRDTTransfer
+	{
+		kPRDTTransferInProgress,
+		kPRDTTransferIsDone,
+		kPRDTTransferCount,
+	};
+
+	/// @brief Physical Region Descriptor Table.
+	struct PRDT
+	{
+		UInt32 fPhysAddress;
+		UInt32 fSectorCount;
+		UInt8  fEndBit;
+	};
+
+	void construct_prdt(Ref<PRDT>& prd);
+
+	EXTERN_C Int32 kPRDTTransferStatus;
+} // namespace NewOS