setCommandBlock(void *, UInt32)

Declaration

virtual IOReturn setCommandBlock(
 void *buffer,
 UInt32length );

Parameters

• buffer:

  Pointer to buffer to copy command block from.

• length:

  Number of bytes of data to copy.

Return Value

Returns KIOReturnSuccess if the command block was updated successfully.

Overview

Copys the data provided in the buffer to the command block portion of the ORB.

See Also

Miscellaneous

• allocatePageTable
• deallocatePageTable
• getCommandBufferDescriptor
• getCommandFlags
• getCommandGeneration
• getCommandTimeout
• getLogin
• getMaxPayloadSize
• getORBAddress
• getRefCon
• getRefCon64
• release
• releaseCommandBuffers
• setBufferConstraints
• setCommandBlock(IOMemoryDescriptor *)
• setCommandBuffers
• setCommandBuffersAsRanges(IOMemoryDescriptor *, UInt32, UInt32)
• setCommandBuffersAsRanges(IOVirtualRange *, UInt32, IODirection, task_t, UInt32, UInt32)
• setCommandBuffersAsRanges64
• setCommandFlags
• setCommandGeneration
• setCommandTimeout
• setMaxPayloadSize
• setRefCon
• setRefCon64