PARM_ENOTIFY Field - ulFlags

ulFlags (ULONG)

The following flags can be used:

BUF_GETEMPTY

Pointer returned in SMH_pGetBuffer. Get one or more of the empty buffers to fill.
BUF_RETURNFULL
Pointer passed in SMH_pRetBuffer. Return one or more filled records.
BUF_GET_FULL
Pointer returned in SMH_pGetBuffer.
BUF_RETURNEMPTY
Pointer passed in SMH_pRetBuffer
BUF_GIVEBUF
Pointer passed in SMH_pRetBuffer. Give a user-provided buffer to SSM. Refer to the bit flag in the SPCB used to indicate that user-provided buffers are being used (ring 3 only). Buffer pointers are passed in pRetBufTab.
BUF_EOS
End of stream (last buffer produced). This must be used with BUF_RETURN_FULL and BUF_GIVEBUF. This flag is passed to the target stream handler with the last buffer in the stream.
BUF_LINEAR
Pointers are global linear (Ring 0 only).
BUF_RECORDS
Pointers are global linear (Ring 0 only). Return one or more filled records.
BUF_LASTRECORD
Indicates that the last record in a buffer is filled. This can be used with the BUF_RETURNFULL + BUF_RECORDS combination only.
BUF_LINEAR
Pointers are global linear (Ring 0 only).
BUF_PHYSICAL
Pointers are physical (Ring 0 only). This is valid for physically contiguous buffers.
BUF_RESERVED
Reserved.
BUF_EXTENDED
This bit must be set if you are using extended data structures (PARM_ENOTIFY).
BUF_GDT
Pointers are GDT sel:offset
BUF_EXTENDEDPTR
Use extended structures, EPTGTBUFTAB and EPSRCBUFTAB (implies BUF_EXTENDED).

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