// ntddstor.h

PVOID DeviceDsmParameterBlock(
  PDEVICE_DSM_INPUT Input
);
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Windows Driver Kit DDI reference (nf-ntddstor-devicedsmparameterblock)

DeviceDsmParameterBlock function

Description

The DeviceDsmParameterBlock function gets the parameter block for a data set management (DSM) operation.

Parameters

`Input`

Pointer to a DEVICE_DSM_INPUT structure.

Return value

DeviceDsmParameterBlock returns a pointer to the parameter block that immediately follows the DEVICE_DSM_INPUT structure.

Remarks

The DSM handler calls this function only if the members of Input indicate that the operation has a parameter block. See Data Set Management for details on how to process a DSM.

DeviceDsmParameterBlock - NtDoc