[Xen-users] Paramters for PCI passthrough in config file

[Hans Jörg Maurer <hjm@xxxxxxxxxxxxx>]

Hi,
I was trying now since two weeks to pass pci cards to different domU's. 
First I used XEN 3.3, but there I got error messages like
must be co-assigned to the same guest , so I switched to other distris and 
versions.

Now I have:

mainserver:/etc/xen# xm info
host                   : server
release                : 2.6.26-1-xen-amd64
version                : #1 SMP Sat Jan 10 20:39:26 UTC 2009
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2394
hw_caps                : 
bfebfbff:20100800:00000000:00000140:0000e3bd:00000000:00000001
total_memory           : 8180
free_memory            : 256
node_to_cpu            : node0:0-3
xen_major              : 3
xen_minor              : 2
xen_extra              : -1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.3.1 (Debian 4.3.1-2)
cc_compile_by          : waldi
cc_compile_domain      : debian.org
cc_compile_date        : Sat Jun 28 09:32:18 UTC 2008
xend_config_format     : 4

and run into the problem that I can pass only one pci to a DomU. I use the 
following parameters in the /etc/xen/domU.cfg


pci         = [ '11:00.0','11:09:0' ]

I have tried different versions like
pci         = [ '11:00.0', '11:09:0' ] or
pci         = [ '0000:11:00.0', '0000:11:09:0' ] and so on.

The only solution is to pass these parameters with the command line, like:

server:/etc/xen# xm create DomU.cfg -c pci='11:00.0' pci='11:09.0'

Then I get two PCI cards inside the DomU.

Does anyone know how to pass them correctly inside the config file.

Thanks

Hans

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