DeviceDsmNumberOfDataSetRanges - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
// ntddstor.h

ULONG DeviceDsmNumberOfDataSetRanges(
  PDEVICE_DSM_INPUT Input
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntddstor-devicedsmnumberofdatasetranges)

DeviceDsmNumberOfDataSetRanges function

Description

The DeviceDsmNumberOfDataSetRanges function gets the number of data set ranges in the payload of an IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES request.

Parameters

Input

Pointer to a DEVICE_DSM_INPUT structure.

Return value

DeviceDsmNumberOfDataSetRanges returns the number of data set ranges in the payload. Each range is sizeof(DEVICE_DSM_RANGE).

Remarks

See Data Set Management for details on how to process a DSM.

See also

Data Set Management

DEVICE_DSM_INPUT

DEVICE_DSM_RANGE

IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES