Messages in this thread | | | Date | Thu, 29 Nov 2012 10:13:17 +0000 | From | Alan Cox <> | Subject | Re: drivres/hv |
| |
> All I know is that it is present and its size is known. If I have a way of knowing > what range of mmio memory is unclaimed; I could grab that perhaps using > the request_mem_region() call, I know the size that is reserved for this device. > So, is there a way to query the system for the first unclaimed address in the mmio > range.
You can add memory region resources yes. See the code in drivers/pci which allocates mmio space to unassigned BARs and/or moves stuff around.
Alan
| |