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-rw-r--r--dev/kernel/FSKit/Ext2+IFS.h273
1 files changed, 0 insertions, 273 deletions
diff --git a/dev/kernel/FSKit/Ext2+IFS.h b/dev/kernel/FSKit/Ext2+IFS.h
deleted file mode 100644
index 01ca4c90..00000000
--- a/dev/kernel/FSKit/Ext2+IFS.h
+++ /dev/null
@@ -1,273 +0,0 @@
-/* ========================================
-
- Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <FSKit/Ext2.h>
-#include <KernelKit/DriveMgr.h>
-#include <KernelKit/HeapMgr.h>
-#include <KernelKit/KPC.h>
-#include <NeKit/ErrorOr.h>
-#include <NeKit/KernelPanic.h>
-#include <NeKit/Utils.h>
-
-namespace Kernel {
-/// @brief Context for an EXT2 filesystem on a given drive
-class Ext2Context final {
- public:
- DriveTrait* drive{nullptr};
- EXT2_SUPER_BLOCK* superblock{nullptr};
-
- /// @brief context with a drive
- Ext2Context(Kernel::DriveTrait* drv) : drive(drv) {}
-
- /// @brief Clean up
- ~Ext2Context() {
- if (superblock) {
- Kernel::mm_free_ptr(superblock);
- superblock = nullptr;
- }
- }
-
- Ext2Context(const Ext2Context&) = delete;
- Ext2Context& operator=(const Ext2Context&) = delete;
-
- Ext2Context(Ext2Context&& other) noexcept : drive(other.drive), superblock(other.superblock) {
- other.drive = nullptr;
- other.superblock = nullptr;
- }
-
- Ext2Context& operator=(Ext2Context&& other) noexcept {
- if (this != &other) {
- if (superblock) {
- Kernel::mm_free_ptr(superblock);
- }
- drive = other.drive;
- superblock = other.superblock;
- other.drive = nullptr;
- other.superblock = nullptr;
- }
- return *this;
- }
-
- SizeT BlockSize() const {
- if (!superblock) return kExt2FSBlockSizeBase;
- return kExt2FSBlockSizeBase << superblock->fLogBlockSize;
- }
-
- operator BOOL() { return superblock != nullptr; }
-};
-
-/// ======================================================================= ///
-/// IFS FUNCTIONS
-/// ======================================================================= ///
-
-inline BOOL ext2_read_block(Kernel::DriveTrait* drv, Kernel::UInt32 lba, VoidPtr buffer,
- Kernel::UInt32 size) {
- if (!drv || !buffer) return false;
-
- Kernel::DriveTrait::DrivePacket pkt{};
- pkt.fPacketContent = buffer;
- pkt.fPacketSize = size;
- pkt.fPacketLba = lba;
- drv->fInput(pkt);
-
- return pkt.fPacketGood;
-}
-
-inline BOOL ext2_write_block(Kernel::DriveTrait* drv, Kernel::UInt32 lba, const VoidPtr buffer,
- Kernel::UInt32 size) {
- if (!drv || !buffer) return false;
-
- Kernel::DriveTrait::DrivePacket pkt{};
- pkt.fPacketContent = const_cast<VoidPtr>(buffer);
- pkt.fPacketSize = size;
- pkt.fPacketLba = lba;
- drv->fOutput(pkt);
- return pkt.fPacketGood;
-}
-
-inline Kernel::ErrorOr<EXT2_SUPER_BLOCK*> ext2_load_superblock(Ext2Context* ctx) {
- if (!ctx || !ctx->drive) return Kernel::ErrorOr<EXT2_SUPER_BLOCK*>(Kernel::kErrorInvalidData);
-
- auto buf = Kernel::mm_alloc_ptr(sizeof(EXT2_SUPER_BLOCK), true, false);
- if (!buf) return Kernel::ErrorOr<EXT2_SUPER_BLOCK*>(Kernel::kErrorHeapOutOfMemory);
-
- Kernel::UInt32 blockLba = kExt2FSSuperblockOffset / ctx->drive->fSectorSz;
-
- if (!ext2_read_block(ctx->drive, blockLba, buf, sizeof(EXT2_SUPER_BLOCK))) {
- Kernel::mm_free_ptr(buf);
- return Kernel::ErrorOr<EXT2_SUPER_BLOCK*>(Kernel::kErrorDisk);
- }
-
- auto sb = reinterpret_cast<EXT2_SUPER_BLOCK*>(buf);
- if (sb->fMagic != kExt2FSMagic) {
- Kernel::mm_free_ptr(buf);
- return Kernel::ErrorOr<EXT2_SUPER_BLOCK*>(Kernel::kErrorInvalidData);
- }
-
- ctx->superblock = sb;
- return Kernel::ErrorOr<EXT2_SUPER_BLOCK*>(sb);
-}
-
-// Load inode
-inline Kernel::ErrorOr<Ext2Node*> ext2_load_inode(Ext2Context* ctx, Kernel::UInt32 inodeNumber) {
- if (!ctx || !ctx->superblock) return Kernel::ErrorOr<Ext2Node*>(Kernel::kErrorInvalidData);
-
- auto nodePtr = Kernel::mm_alloc_ptr(sizeof(Ext2Node), true, false);
- if (!nodePtr) return Kernel::ErrorOr<Ext2Node*>(Kernel::kErrorHeapOutOfMemory);
-
- auto ext2Node = reinterpret_cast<Ext2Node*>(nodePtr);
- ext2Node->inodeNumber = inodeNumber;
-
- // Compute block group and index within group
- Kernel::UInt32 inodesPerGroup = ctx->superblock->fInodesPerGroup;
- Kernel::UInt32 group = (inodeNumber - 1) / inodesPerGroup;
-
- // dummy: just offset first inode
- Kernel::UInt32 inodeTableBlock = ctx->superblock->fFirstInode + group;
-
- if (!ext2_read_block(ctx->drive, inodeTableBlock, &ext2Node->inode, sizeof(EXT2_INODE))) {
- Kernel::mm_free_ptr(nodePtr);
- return Kernel::ErrorOr<Ext2Node*>(Kernel::kErrorDisk);
- }
-
- ext2Node->cursor = 0;
- return Kernel::ErrorOr<Ext2Node*>(ext2Node);
-}
-
-/*
- * Ext2FileSystemParser Class
- *
- * Provides high-level interface for EXT2 filesystem operations
- */
-class Ext2FileSystemParser final {
- private:
- Ext2Context fCtx; // Internal EXT2 context
-
- public:
- /*
- * Constructor
- * Initializes the parser with a drive interface
- *
- * @param drive: Pointer to drive trait for disk I/O operations
- */
- explicit Ext2FileSystemParser(DriveTrait* drive);
-
- NE_COPY_DELETE(Ext2FileSystemParser)
-
- /*
- * Open a file or directory by path
- *
- * @param path: Full path to the file/directory (e.g., "/home/user/file.txt")
- * @param restrict_type: Access mode restriction (e.g., "r", "w", "rw")
- * @return: VoidPtr handle to the opened file/directory, or nullptr on failure
- */
- VoidPtr Open(const char* path, const char* restrict_type);
-
- /*
- * Read data from an open file node
- *
- * @param node: File node handle returned by Open()
- * @param flags: Read operation flags
- * @param size: Number of bytes to read
- * @return: Pointer to allocated buffer containing read data, or nullptr on failure
- * Caller is responsible for freeing the returned buffer
- */
- VoidPtr Read(VoidPtr node, Int32 flags, SizeT size);
-
- /*
- * Write data to an open file node
- *
- * @param node: File node handle returned by Open()
- * @param data: Buffer containing data to write
- * @param flags: Write operation flags
- * @param size: Number of bytes to write
- */
- Void Write(VoidPtr node, VoidPtr data, Int32 flags, SizeT size);
-
- /*
- * Seek to a specific position in the file
- *
- * @param node: File node handle
- * @param offset: Byte offset from beginning of file
- * @return: true on success, false on failure
- */
- BOOL Seek(VoidPtr node, SizeT offset);
-
- /*
- * Get current position in the file
- *
- * @param node: File node handle
- * @return: Current byte offset from beginning of file
- */
- SizeT Tell(VoidPtr node);
-
- /*
- * Reset file position to beginning
- *
- * @param node: File node handle
- * @return: true on success, false on failure
- */
- BOOL Rewind(VoidPtr node);
-
- /*
- * Read data from a named file within a directory node
- *
- * @param name: Name of file within the directory
- * @param node: Directory node handle
- * @param flags: Read operation flags
- * @param size: Number of bytes to read
- * @return: Pointer to allocated buffer containing read data, or nullptr on failure
- */
- VoidPtr Read(const char* name, VoidPtr node, Int32 flags, SizeT size);
-
- /*
- * Write data to a named file within a directory node
- *
- * @param name: Name of file within the directory
- * @param node: Directory node handle
- * @param data: Buffer containing data to write
- * @param flags: Write operation flags
- * @param size: Number of bytes to write
- */
- Void Write(const char* name, VoidPtr node, VoidPtr data, Int32 flags, SizeT size);
-
- /*
- * Create a new regular file
- *
- * @param path: Full path for the new file
- * @return: VoidPtr handle to the created file, or nullptr on failure
- */
- VoidPtr Create(const char* path);
-
- /*
- * Create a new directory
- *
- * @param path: Full path for the new directory
- * @return: VoidPtr handle to the created directory, or nullptr on failure
- */
- VoidPtr CreateDirectory(const char* path);
-
- /*
- * Close and free a file/directory node
- * Note: This method is not shown in the implementation but would typically be needed
- *
- * @param node: Node handle to close and free
- */
- Void Close(VoidPtr node);
-
- /*
- * Get file/directory information
- * Note: This method is not shown in the implementation but would typically be needed
- *
- * @param node: Node handle
- * @param info: Structure to fill with file information (size, type, permissions, etc.)
- * @return: true on success, false on failure
- */
- BOOL GetInfo(VoidPtr node, VoidPtr info);
-};
-} // namespace Kernel
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