mirror of
https://github.com/winfsp/winfsp.git
synced 2025-04-22 16:33:02 -05:00
114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/**
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* @file sys/driver.h
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*
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* @copyright 2015 Bill Zissimopoulos
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*/
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#ifndef WINFSP_SYS_DRIVER_H_INCLUDED
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#define WINFSP_SYS_DRIVER_H_INCLUDED
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#include <ntifs.h>
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#define DRIVER_NAME "winfsp"
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/* DEBUGLOG */
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#if DBG
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#define DEBUGLOG(fmt, ...) \
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DbgPrint(DRIVER_NAME "!" __FUNCTION__ ": " fmt "\n", __VA_ARGS__)
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#else
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#define DEBUGLOG(fmt, ...) ((void)0)
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#endif
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/* enter/leave*/
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#if DBG
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BOOLEAN HasDbgBreakPoint(const char *Function);
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const char *NtStatusSym(NTSTATUS Status);
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#define FSP_DEBUGLOG_(rfmt, r, fmt, ...)\
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DbgPrint(AbnormalTermination() ? \
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DRIVER_NAME "!" __FUNCTION__ "(" fmt ") = !AbnormalTermination\n" :\
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DRIVER_NAME "!" __FUNCTION__ "(" fmt ")" rfmt "\n",\
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__VA_ARGS__, r)
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#define FSP_DEBUGBRK_() \
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do \
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{ \
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if (HasDbgBreakPoint(__FUNCTION__))\
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try { DbgBreakPoint(); } except(EXCEPTION_EXECUTE_HANDLER) {}\
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} while (0,0)
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#else
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#define FSP_DEBUGLOG_(rfmt, r, fmt, ...)((void)0)
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#define FSP_DEBUGBRK_() ((void)0)
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#endif
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#define FSP_ENTER_(...) \
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FSP_DEBUGBRK_(); \
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__VA_ARGS__; \
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FsRtlEnterFileSystem(); \
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try \
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{
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#define FSP_LEAVE_(rfmt, r, fmt, ...) \
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goto fsp_leave_label; \
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fsp_leave_label:; \
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} \
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finally \
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{ \
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FsRtlExitFileSystem(); \
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FSP_DEBUGLOG_(rfmt, r, fmt, __VA_ARGS__);\
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}
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#define FSP_ENTER(...) \
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NTSTATUS Result = STATUS_SUCCESS; FSP_ENTER_(__VA_ARGS__)
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#define FSP_LEAVE(fmt, ...) \
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FSP_LEAVE_(" = %s", NtStatusSym(Result), fmt, __VA_ARGS__); return Result
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#define FSP_ENTER_BOOL(...) \
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BOOLEAN Result = TRUE; FSP_ENTER_(__VA_ARGS__)
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#define FSP_LEAVE_BOOL(fmt, ...) \
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FSP_LEAVE_(" = %s", Result ? "TRUE" : "FALSE", fmt, __VA_ARGS__); return Result
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#define FSP_ENTER_VOID(...) \
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FSP_ENTER_(__VA_ARGS__)
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#define FSP_LEAVE_VOID(fmt, ...) \
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FSP_LEAVE_("", 0, fmt, __VA_ARGS__)
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#define FSP_RETURN(...) \
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do \
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{ \
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__VA_ARGS__; \
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goto fsp_leave_label; \
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} while (0,0)
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/* driver major functions */
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DRIVER_DISPATCH FspCleanup;
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DRIVER_DISPATCH FspClose;
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DRIVER_DISPATCH FspCreate;
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DRIVER_DISPATCH FspDeviceControl;
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DRIVER_DISPATCH FspDirectoryControl;
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DRIVER_DISPATCH FspFileSystemControl;
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DRIVER_DISPATCH FspFlushBuffers;
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DRIVER_DISPATCH FspLockControl;
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DRIVER_DISPATCH FspQueryEa;
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DRIVER_DISPATCH FspQueryInformation;
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DRIVER_DISPATCH FspQuerySecurity;
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DRIVER_DISPATCH FspQueryVolumeInformation;
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DRIVER_DISPATCH FspRead;
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DRIVER_DISPATCH FspSetEa;
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DRIVER_DISPATCH FspSetInformation;
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DRIVER_DISPATCH FspSetSecurity;
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DRIVER_DISPATCH FspSetVolumeInformation;
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DRIVER_DISPATCH FspShutdown;
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DRIVER_DISPATCH FspWrite;
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/* fast I/O */
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FAST_IO_CHECK_IF_POSSIBLE FspFastIoCheckIfPossible;
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/* resource acquisition */
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FAST_IO_ACQUIRE_FILE FspAcquireFileForNtCreateSection;
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FAST_IO_RELEASE_FILE FspReleaseFileForNtCreateSection;
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FAST_IO_ACQUIRE_FOR_MOD_WRITE FspAcquireForModWrite;
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FAST_IO_RELEASE_FOR_MOD_WRITE FspReleaseForModWrite;
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FAST_IO_ACQUIRE_FOR_CCFLUSH FspAcquireForCcFlush;
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FAST_IO_RELEASE_FOR_CCFLUSH FspReleaseForCcFlush;
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/* extern */
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extern PDEVICE_OBJECT FspDeviceObject;
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/* disable warnings */
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#pragma warning(disable:4100) /* unreferenced formal parameter */
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#endif
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