PRDT.h

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/* ========================================
 
  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
 
======================================== */
 
#pragma once
 
#include <KernelKit/PCI/DMA.h>
#include <KernelKit/PCI/Iterator.h>
#include <NeKit/Ref.h>
 
#define kPrdtTransferSize (sizeof(Kernel::UShort))
 
namespace Kernel {
enum {
  kPRDTTransferInProgress,
  kPRDTTransferIsDone,
  kPRDTTransferCount,
};

struct PRDT final {
  UInt32 fPhysAddress;
  UInt32 fSectorCount;
  UInt8  fEndBit;
};
 
void construct_prdt(Ref<PRDT>& prd);
 
EXTERN_C Int32 kPRDTTransferStatus;
}  // namespace Kernel