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Diffstat (limited to 'dev/Kernel/StorageKit/PRDT.h')
| -rw-r--r-- | dev/Kernel/StorageKit/PRDT.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/dev/Kernel/StorageKit/PRDT.h b/dev/Kernel/StorageKit/PRDT.h new file mode 100644 index 00000000..85e89e61 --- /dev/null +++ b/dev/Kernel/StorageKit/PRDT.h @@ -0,0 +1,36 @@ +/* ------------------------------------------- + + Copyright (C) 2024, TQ B.V, all rights reserved. + +------------------------------------------- */ + +#pragma once + +#include <KernelKit/PCI/DMA.h> +#include <KernelKit/PCI/Iterator.h> +#include <NewKit/Ref.h> + +#define kPrdtTransferSize (sizeof(Kernel::UShort)) + +namespace Kernel +{ + /// @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 Kernel |
