---
title: IOFWReadFlags
framework: kernel
role: symbol
path: kernel/iofwreadflags
---

# IOFWReadFlags

## Declaration

```occ
enum IOFWReadFlags : unsigned int {
    ...
};
```

## Topics

### Constants

- [kIOFWReadBlockRequest](kernel/iofwreadflags/kiofwreadblockrequest.md)
- [kIOFWReadFlagsNone](kernel/iofwreadflags/kiofwreadflagsnone.md)
- [kIOFWReadPingTime](kernel/iofwreadflags/kiofwreadpingtime.md)

## See Also

### Types

- [IOFWDuplicateGUIDRec](kernel/iofwduplicateguidrec.md)
- [IOFWARxReqIntCompleteHandler](kernel/iofwarxreqintcompletehandler.md)
- [IOFWAVCAsyncCommandState](kernel/iofwavcasynccommandstate.md)
- [IOFWAVCPlugTypes](kernel/iofwavcplugtypes.md)
- [IOFWAVCProtocolUserClientAsyncCommandCodes](kernel/iofwavcprotocoluserclientasynccommandcodes.md)
- [IOFWAVCProtocolUserClientCommandCodes](kernel/iofwavcprotocoluserclientcommandcodes.md)
- [IOFWAVCSubunitPlugMessages](kernel/iofwavcsubunitplugmessages.md)
- [IOFWAVCUserClientAsyncCommandCodes](kernel/iofwavcuserclientasynccommandcodes.md)
- [IOFWAVCUserClientCommandCodes](kernel/iofwavcuserclientcommandcodes.md)
- [IOFWCmdQ](kernel/iofwcmdq.md)
- [IOFWDCLNotificationType](kernel/iofwdclnotificationtype.md)
- [IOFWIsochPortOptions](kernel/iofwisochportoptions.md)
- [IOFWIsochResourceFlags](kernel/iofwisochresourceflags.md)
- [IOFWNodeScan](kernel/iofwnodescan.md)
- [IOFWPhysicalAccessMode](kernel/iofwphysicalaccessmode.md)
- [IOFWRequestRefCon](kernel/iofwrequestrefcon.md)
- [IOFWSBP2UserClientCommandCodes](kernel/iofwsbp2userclientcommandcodes.md)
- [IOFWSecurityMode](kernel/iofwsecuritymode.md)
- [IOFWSpeed](kernel/iofwspeed.md)
- [IOFWWriteFlags](kernel/iofwwriteflags.md)
- [IOFireWireAVCAsynchronousCommandCallback](kernel/iofirewireavcasynchronouscommandcallback.md)
- [IOFireWireAVCSubunitPlugHandlerCallback](kernel/iofirewireavcsubunitplughandlercallback.md)
- [IOFireWireAVCTargetCommandHandlerCallback](kernel/iofirewireavctargetcommandhandlercallback.md)
- [IOFireWirePCRCallback](kernel/iofirewirepcrcallback.md)
- [IOFireWireSessionRef](kernel/iofirewiresessionref.md)
- [IOAVCCommandResponse](kernel/ioavccommandresponse.md)
- [IOAVCFrameFields](kernel/ioavcframefields.md)
- [IOAVCOpcodes](kernel/ioavcopcodes.md)
- [IOAVCUnitTypes](kernel/ioavcunittypes.md)
- [FWAddress](kernel/fwaddress.md)
- [FWAddressPtr](kernel/fwaddressptr.md)
- [FWAsyncPHYCallback](kernel/fwasyncphycallback.md)
- [FWAsyncStreamCallback](kernel/fwasyncstreamcallback.md)
- [FWAsyncStreamReceiveCallback](kernel/fwasyncstreamreceivecallback.md)
- [FWBusCallback](kernel/fwbuscallback.md)
- [FWClientCommandID](kernel/fwclientcommandid.md)
- [FWDeviceCallback](kernel/fwdevicecallback.md)
- [FWIsochChannelForceStopNotificationProc](kernel/fwisochchannelforcestopnotificationproc.md)
- [FWIsochChannelForceStopNotificationProcPtr](kernel/fwisochchannelforcestopnotificationprocptr.md)
- [FWMultiIsochReceiveListenerCallback](kernel/fwmultiisochreceivelistenercallback.md)
- [FWPHYPacketCallback](kernel/fwphypacketcallback.md)
- [FWReadCallback](kernel/fwreadcallback.md)
- [FWSegment](kernel/fwsegment.md)
- [FWWriteCallback](kernel/fwwritecallback.md)