[Xen-users] Hiding PCI Devices in Xen 3.0 under OpenSUSE 10.0

[Steve Higton <hpq8bfr.mailing.lists@xxxxxxxxxxxxx>]

Hi all,

I'm trying to set up a mythtv backend server under Xen 3.0 and would like to 
hide my TV tuners from dom0.  lspci on dom0 shows the following:

00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub 
Interface (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated 
Graphics Controller (rev 02)
00:03.0 PCI bridge: Intel Corporation 82865G/PE/P PCI to CSA Bridge (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface 
Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE 
Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller (rev 
02)
00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 
02)
01:01.0 Ethernet controller: Intel Corporation 82547EI Gigabit Ethernet 
Controller (LOM)
02:01.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video and 
Audio Decoder (rev 05)
02:01.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
Decoder [MPEG Port] (rev 05)
02:01.4 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
Decoder [IR Port] (rev 05)
02:03.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video and 
Audio Decoder (rev 05)
02:03.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
Decoder [MPEG Port] (rev 05)
02:03.4 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
Decoder [IR Port] (rev 05)
02:05.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video and 
Audio Decoder (rev 05)
02:05.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
Decoder [MPEG Port] (rev 05)
02:05.4 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
Decoder [IR Port] (rev 05)

The PCI devices I want to hide are the Multimedia controller devices at the 
bottom of the list.

The grub entry I'm using to boot the dom0 is:

title XEN
    root (hd0,5)
    kernel /boot/xen.gz dom0_mem=262144 pciback.hide=(02:01.0)(02:01.2)
(02:01.4)(02:03.0)(02:03.2)(02:03.4)(02:05.0)(02:05.2)(02:05.4)
    module /boot/vmlinuz-xen root=/dev/hda6 vga=0x317 selinux=0    
resume=/dev/hda2  splash=silent showopts
    module /boot/initrd-xen

However, no messages about hiding the PCI devices appear in the boot log and 
the PCI devices are still visible in dom0.

Can anyone tell me if I'm doing anything wrong?

I'm using the xen rpms as provided by Kurt Garloff, maybe the PCI backend 
options weren't compiled into the kernel.  How could I check that?

Thanks in advance,

Steve.

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