IOFWAsyncCommand

Inherits from
IOFWCommand
Availability
Available in OS X v10.0 and later.
Declared in
IOFWCommand.h

Overview

Send an async request to a device

Tasks

Miscellaneous

Instance Methods

setMaxPacket

IOReturn setMaxPacket( UInt32 maxBytes)
Parameters
maxBytes

Maximum packet size in bytes. If the maxsize is 4 then quadlet transfers will be used.

Discussion

Sets the maximum size for block transfers used by the command. The command is initialized to use the maximum packet size calculated from the device's PHY speed, bus info block and the bus topology. Call this method before calling submit().