DriverMajorFunctionReturn class

This class is the event type class for driver major function call return events.

The following syntax is simplified from MOF code.

Syntax

[EventType{35}, EventTypeName{"DrvMjFnRet"}]
class DriverMajorFunctionReturn : DiskIo
{
  uint32 Irp;
  uint32 UniqMatchId;
};

Members

The DriverMajorFunctionReturn class has these types of members:

Properties

The DriverMajorFunctionReturn class has these properties.

Irp
Data type: uint32
Access type: Read-only
Qualifiers: WmiDataId(1), Pointer

IO request packet.

UniqMatchId
Data type: uint32
Access type: Read-only
Qualifiers: WmiDataId(2)

Identifier that uniquely identifies request. Use this identifier to correlate with the other driver events, for example, the DriverCompleteRequest event.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

See also

DiskIo

 

 

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