Re: [Qemu-devel] QEMU: PCI bus name on PowerPC platforms

[address@hidden]

Hi Alexey,

Even though you change the default PCI bus naming, it will need detect 
the QEMU version in libvirt to keep compatibility with old QEMU version.


Best Regards,
Olivia

> -----Original Message-----
> From: Alexey Kardashevskiy [mailto:address@hidden
> Sent: Wednesday, March 05, 2014 11:16 PM
> To: Paolo Bonzini; Yin Olivia-R63875; address@hidden;
> address@hidden
> Cc: address@hidden; address@hidden; Li Zhang
> Subject: Re: QEMU: PCI bus name on PowerPC platforms
> 
> On 03/06/2014 12:35 AM, Paolo Bonzini wrote:
> > Il 05/03/2014 12:43, Alexey Kardashevskiy ha scritto:
> >>
> >> I just tried current upstresm QEMU and it handles bus=pci fine, it
> >> prints an error on bus=pci.0 so I am confused - what qemu are you trying?
> >
> > See below:
> 
> I understand, just got confused that "pci" did not work.
> 
> 
> > 1) virtex-ml507
> > 2) pseries
> > Warning: Disabling some instructions which are not emulated by TCG (0x0,
> 0x4)
> >     bus: pci
> > 3) prep
> >     bus: pci.0
> > 4) bamboo
> >     bus: pci.0
> > 5) ref405ep
> > qemu-system-ppc64: Could not load PowerPC BIOS 'ppc405_rom.bin'
> > 6) taihu
> > qemu-system-ppc64: Could not load PowerPC BIOS 'ppc405_rom.bin'
> > 7) mpc8544ds
> >     bus: pci.0
> > 8) g3beige
> >     bus: pci.0
> > 9) mac99
> >     bus: pci.0
> > 10) ppce500
> >     bus: pci.0
> >
> > pseries is the odd one, I think the right thing to do is for QEMU to
> > change the bus name incompatibly, and libvirt to cope with it.
> 
> Originally "pci" was used to make libvirt happy so we can easily switch
> pseries to pci.0 or NULL.
> 
> 
> 
> --
> Alexey
>