Re: [Xen-devel] xen and pci

[Adam Sulmicki <adam@xxxxxxxxxxxx>]

On Sat, 18 Dec 2004, Adam Sulmicki wrote:

> HOWEVER, once it finds it would like to configure devices behind this bridge, 
> and it seems the xen prevents linux from doing just that.
> It seems like linux treats the stuff it finds behind cardbus bridge like PCI 
> device (i'm not sure if it is a real device or just how linux treats it a 
> virtual pci devices).
> redbull:/usr/src/cm/xen # /sbin/lspci
>
> 0000:02:00.0 CardBus bridge: Texas Instruments PCI1420
> 0000:02:00.1 CardBus bridge: Texas Instruments PCI1420
> 0000:07:00.0 Ethernet controller: Xircom Cardbus Ethernet 10/100 (rev 03)
well after a bit more playing with it, I got linux pci drivers to find the 
xircom PCI card (by letting linux write the pci registers on cardbus), but 
xen still knows nothing about it so things still explode, shortly later 
on.
on another front I have tried the xen 2.0-testing (ie the xen 2.1 
pre-release) which as I understand should leave most of the pci handling 
to dom0... but, ... so far it seems no different than xen 2.0 release in 
that it still does not find the xircom card and it is missing form output 
of /sbin/lspci


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