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

[Alexey Kardashevskiy <aik@ozlabs.ru>]

On 03/06/2014 06:04 PM, Hong-Hua.Yin@freescale.com wrote:
> 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.


So?



> Best Regards,
> Olivia
> 
>> -----Original Message-----
>> From: Alexey Kardashevskiy [mailto:aik@ozlabs.ru]
>> Sent: Wednesday, March 05, 2014 11:16 PM
>> To: Paolo Bonzini; Yin Olivia-R63875; david@gibson.dropbear.id.au;
>> agraf@suse.de
>> Cc: qemu-ppc@nongnu.org; qemu-devel@nongnu.org; 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
>>
> 


-- 
Alexey