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authorAmlal EL Mahrouss <amlalelmahrouss@icloud.com>2024-08-15 18:35:34 +0200
committerAmlal EL Mahrouss <amlalelmahrouss@icloud.com>2024-08-15 18:35:34 +0200
commitf3d931aa7cfaf96baef8383b59a8938779541ee7 (patch)
treefdb9fc51badb3dbd03e46ab0766a49d9522e13e2 /dev/Kernel/StorageKit/PRDT.hxx
parent86640816e8b1d3595365f1fcc8a2a9e61fb40ff1 (diff)
[IMP] Moved source code into dev/ folder.
Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/StorageKit/PRDT.hxx')
-rw-r--r--dev/Kernel/StorageKit/PRDT.hxx36
1 files changed, 36 insertions, 0 deletions
diff --git a/dev/Kernel/StorageKit/PRDT.hxx b/dev/Kernel/StorageKit/PRDT.hxx
new file mode 100644
index 00000000..6dec22c2
--- /dev/null
+++ b/dev/Kernel/StorageKit/PRDT.hxx
@@ -0,0 +1,36 @@
+/* -------------------------------------------
+
+ Copyright ZKA Technologies.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <KernelKit/PCI/Dma.hxx>
+#include <KernelKit/PCI/Iterator.hxx>
+#include <NewKit/Ref.hxx>
+
+#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