bus device driver

[John Baldwin]

On Monday 13 July 2009 10:05:15 am Norbert Koch wrote:
> Hello.
> 
> I just started to write a device
> driver for a multi-function pci card.
> This card replaces a number of
> independant isa hardware devices.
> This pci card contains memory, i/o
> and interrupt sources.
> I want my device driver to
> serve as a bus driver between
> the pci driver and the specific
> device drivers.
> 
> Do I need more than the following (see below)?
> Do I have to do any bookkeeping for allocated resources?

How do the child devices receive resources?  Do they suballocate regions from 
BARs in the PCI device or is your device a subtractive bridge that will 
forward requests for ISA ranges and your devices all use ISA ranges?

-- 
John Baldwin