// storport.h
typedef enum _STORPORT_ETW_EVENT_OPCODE {
StorportEtwEventOpcodeInfo = 0,
StorportEtwEventOpcodeStart = 1,
StorportEtwEventOpcodeStop = 2,
StorportEtwEventOpcodeDC_Start = 3,
StorportEtwEventOpcodeDC_Stop = 4,
StorportEtwEventOpcodeExtension = 5,
StorportEtwEventOpcodeReply = 6,
StorportEtwEventOpcodeResume = 7,
StorportEtwEventOpcodeSuspend = 8,
StorportEtwEventOpcodeSend = 9,
StorportEtwEventOpcodeReceive = 240
} STORPORT_ETW_EVENT_OPCODE, *PSTORPORT_ETW_EVENT_OPCODE;
View the official Windows Driver Kit DDI referenceNo description available.
A STORPORT_ETW_EVENT_OPCODE enumeration defines operational nature of an ETW event.
StorportEtwEventOpcodeInfo:0Indicates a general, informational event.
StorportEtwEventOpcodeStart:1The device or unit was started.
StorportEtwEventOpcodeStop:2The device or unit was stopped. The event corresponses to the last unpaired start event.
StorportEtwEventOpcodeDC_Start:3Indicates a data collection starting event. These are rundown event types.
StorportEtwEventOpcodeDC_Stop:4Indicates a data collection stopping event. These are rundown event types.
StorportEtwEventOpcodeExtension:5Indicates an extension event.
StorportEtwEventOpcodeReply:6Indicates a reply event.
StorportEtwEventOpcodeResume:7The device or unit was resumed after a suspend event.
StorportEtwEventOpcodeSuspend:8The device or unit is suspended pending completion of another operation.
StorportEtwEventOpcodeSend:9Indicates that transfer of activity is sent to another component.
StorportEtwEventOpcodeReceive:240Indicates that transfer of activity is received from another component.