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// SPDX-License-Identifier: Apache-2.0
// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/ne-foss-org/nekernel
#ifndef STORAGEKIT_PRDT_H
#define STORAGEKIT_PRDT_H
#include <KernelKit/PCI/DMA.h>
#include <KernelKit/PCI/Iterator.h>
#include <NeKit/Ref.h>
#define kPrdtTransferSize (sizeof(Kernel::UShort))
namespace Kernel {
/// @brief Tranfer information about PRD.
enum {
kPRDTTransferInProgress,
kPRDTTransferIsDone,
kPRDTTransferCount,
};
/// @brief Physical Region Descriptor Table.
struct PRDT final {
UInt32 fPhysAddress;
UInt32 fSectorCount;
UInt8 fEndBit;
};
void construct_prdt(Ref<PRDT>& prd);
EXTERN_C Int32 kPRDTTransferStatus;
} // namespace Kernel
#endif
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