introduce a stable NTL_DDK driver ABI to replace direct HAL_API and kernel-header access in drivers, add code/kernel/io_ddk.c and code/public/ntlite/ddk/ headers, change DriverEntry to take (const NTL_DDK*, NTL_DRIVER_INIT*), update kmain to build the DDK once via IoInitializeDdk/IoGetDdk and hand it to both boot and runtime drivers, downgrade code/public/ntlite/ddi/io_driver.h to a legacy I/O model header pulling from ntlite/ddk instead of kernel internals, move code/third_party/lwip into code/drivers/net/lwip/third_party, fix up lwip_sources.txt and build.c include paths to match, split build.c's single CFLAGS macro into COMMON/KERNEL/USER/BOOT/DRIVER cflags.
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// Public nt-lite DDK filesystem declarations.
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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <ntlite/status.h>
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#include <ntlite/string_view.h>
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#include <ntlite/dirent.h>
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#include <ntlite/file_stat.h>
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#include <ntlite/ddk/async.h>
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#include <ntlite/ddk/object.h>
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#include <ntlite/ddk/sync.h>
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typedef SYS_DIR_ENTRY KDIR_ENTRY;
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#define KDIR_NAME_MAX SYS_DIR_NAME_MAX
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typedef void (*IO_FS_ASYNC_COMPLETE)(void* completeContext,
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KSTATUS status,
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size_t information);
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typedef struct IO_FILESYSTEM_STATS {
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uint64_t PathLookups;
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uint64_t PathCacheHits;
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uint64_t PathCacheMisses;
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uint64_t PathCacheStores;
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uint64_t PathCacheInvalidations;
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uint64_t PathCacheGeneration;
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uint64_t DirectorySearches;
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uint64_t DirectoryBlocksRead;
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uint64_t DirectoryEntriesScanned;
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uint64_t DataReadRuns;
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uint64_t DataReadSectors;
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uint64_t DataReadRunMerges;
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uint64_t MaxDataReadSpanSectors;
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} IO_FILESYSTEM_STATS;
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typedef struct IO_FILE_IDENTITY {
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uint64_t VolumeId;
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uint64_t FileId;
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uint64_t Generation;
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uint64_t Size;
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} IO_FILE_IDENTITY;
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typedef struct IO_FILESYSTEM {
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KSTATUS (*Open)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW path, void** fileCtx);
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KSTATUS (*Read)(struct IO_FILESYSTEM* fs, void* fileCtx, uint64_t offset, void* buf, size_t size, size_t* bytesRead);
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KSTATUS (*Write)(struct IO_FILESYSTEM* fs, void* fileCtx, uint64_t offset, const void* buf, size_t size, size_t* bytesWritten);
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KSTATUS (*ReadAsync)(struct IO_FILESYSTEM* fs, void* fileCtx, uint64_t offset, void* buf, size_t size, IO_FS_ASYNC_COMPLETE complete, void* completeContext);
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KSTATUS (*WriteAsync)(struct IO_FILESYSTEM* fs, void* fileCtx, uint64_t offset, const void* buf, size_t size, IO_FS_ASYNC_COMPLETE complete, void* completeContext);
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KSTATUS (*Create)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW path, void** fileCtx);
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KSTATUS (*Delete)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW path);
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KSTATUS (*Rename)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW oldPath, SYS_STRING_VIEW newPath);
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KSTATUS (*CreateDir)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW path);
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KSTATUS (*RemoveDir)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW path);
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KSTATUS (*Truncate)(struct IO_FILESYSTEM* fs, void* fileCtx, uint64_t newSize, uint32_t fileFlags);
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uint64_t (*GetSize)(struct IO_FILESYSTEM* fs, void* fileCtx);
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KSTATUS (*QueryInfo)(struct IO_FILESYSTEM* fs, void* fileCtx, SYS_FILE_STAT* out);
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KSTATUS (*Stat)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW path, SYS_FILE_STAT* out);
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KSTATUS (*QueryIdentity)(struct IO_FILESYSTEM* fs, void* fileCtx, IO_FILE_IDENTITY* out);
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void (*Close)(struct IO_FILESYSTEM* fs, void* fileCtx);
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void (*QueryStats)(struct IO_FILESYSTEM* fs, IO_FILESYSTEM_STATS* out);
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void* DriverCtx;
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KSTATUS (*OpenDir)(struct IO_FILESYSTEM* fs, SYS_STRING_VIEW dirPath, void** dirCtx);
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KSTATUS (*ReadDir)(struct IO_FILESYSTEM* fs, void* dirCtx, KDIR_ENTRY* out);
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void (*CloseDir)(struct IO_FILESYSTEM* fs, void* dirCtx);
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} IO_FILESYSTEM;
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struct EVENT;
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struct KAPC;
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typedef struct MM_LOCKED_USER_BUFFER MM_LOCKED_USER_BUFFER;
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typedef struct IO_ASYNC_FILE_REQUEST_OBJECT IO_ASYNC_FILE_REQUEST_OBJECT;
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#define IO_FILE_FLAG_NO_CACHE 0x00000001u
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#define IO_FILE_FLAG_SKIP_ZERO_EXTEND 0x00000002u
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#define IO_FILE_FLAG_APPEND 0x00000004u
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typedef struct FILE_OBJECT {
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OBJECT Header;
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IO_FILESYSTEM* Fs;
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void* FileCtx;
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SPINLOCK Lock;
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uint64_t Size;
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uint64_t Offset;
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uint32_t Flags;
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uint32_t ReadaheadScore;
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uint64_t ReadaheadNextOffset;
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uint64_t ReadaheadIssuedUntil;
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uint64_t ReadaheadSuppressedUntil;
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} FILE_OBJECT;
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typedef struct DIR_OBJECT {
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OBJECT Header;
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IO_FILESYSTEM* Fs;
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void* DirCtx;
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} DIR_OBJECT;
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typedef struct IO_VOLUME_PARAMS {
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uint8_t DiskIndex;
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uint64_t PartitionLba;
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uint64_t PartitionSize;
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} IO_VOLUME_PARAMS;
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__declspec(dllexport) KSTATUS IoRegisterFilesystem(uint8_t driveIndex, IO_FILESYSTEM* fs, const IO_VOLUME_PARAMS* vol);
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__declspec(dllexport) KSTATUS IoUnregisterFilesystem(uint8_t driveIndex);
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__declspec(dllexport) KSTATUS IoUnregisterFilesystemsForDisk(uint8_t diskIndex);
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__declspec(dllexport) bool IoFilesystemPresent(uint8_t driveIndex);
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__declspec(dllexport) void IoQueryFilesystemStats(IO_FILESYSTEM_STATS* out);
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__declspec(dllexport) KSTATUS IoOpenFile(SYS_STRING_VIEW path, FILE_OBJECT** out);
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__declspec(dllexport) KSTATUS IoReadFile(FILE_OBJECT* file, void* buf, size_t size, size_t* bytesRead);
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__declspec(dllexport) KSTATUS IoReadFileAt(FILE_OBJECT* file, uint64_t offset, void* buf, size_t size, size_t* bytesRead);
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__declspec(dllexport) KSTATUS IoWriteFile(FILE_OBJECT* file, const void* buf, size_t size, size_t* bytesWritten);
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__declspec(dllexport) KSTATUS IoWriteFileAt(FILE_OBJECT* file, uint64_t offset, const void* buf, size_t size, size_t* bytesWritten);
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__declspec(dllexport) KSTATUS IoFlushFile(FILE_OBJECT* file);
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__declspec(dllexport) KSTATUS IoCreateFile(SYS_STRING_VIEW path, FILE_OBJECT** out);
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__declspec(dllexport) KSTATUS IoDeleteFile(SYS_STRING_VIEW path);
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__declspec(dllexport) KSTATUS IoRenameFile(SYS_STRING_VIEW oldPath, SYS_STRING_VIEW newPath);
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__declspec(dllexport) KSTATUS IoCreateDir(SYS_STRING_VIEW path);
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__declspec(dllexport) KSTATUS IoRemoveDir(SYS_STRING_VIEW path);
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__declspec(dllexport) KSTATUS IoTruncateFile(FILE_OBJECT* file, uint64_t newSize);
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__declspec(dllexport) KSTATUS IoSeekFile(FILE_OBJECT* file, uint64_t offset);
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__declspec(dllexport) uint64_t IoGetFileSize(FILE_OBJECT* file);
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__declspec(dllexport) KSTATUS IoGetFileStat(FILE_OBJECT* file, SYS_FILE_STAT* out);
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__declspec(dllexport) KSTATUS IoStatFile(SYS_STRING_VIEW path, SYS_FILE_STAT* out);
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__declspec(dllexport) KSTATUS IoQueryFileIdentity(FILE_OBJECT* file, IO_FILE_IDENTITY* out);
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__declspec(dllexport) void IoCloseFile(FILE_OBJECT* file);
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__declspec(dllexport) KSTATUS IoOpenDir(SYS_STRING_VIEW dirPath, DIR_OBJECT** out);
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__declspec(dllexport) KSTATUS IoReadDir(DIR_OBJECT* dir, KDIR_ENTRY* entryOut);
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__declspec(dllexport) void IoCloseDir(DIR_OBJECT* dir);
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__declspec(dllexport) KSTATUS IoSetCwd(SYS_STRING_VIEW path);
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__declspec(dllexport) KSTATUS IoRealPath(SYS_STRING_VIEW path, char* buffer, size_t bufferSize, size_t* requiredSizeOut);
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