Can you send me pointers to the qdev documentation? How can I use it? Will
it allow us to scale above the 32 PCI limit?
Anjali
On 10/14/10 2:57 PM, "Anthony Liguori" <anthony@xxxxxxxxxxxxx> wrote:
> On 10/14/2010 04:42 PM, Richard W.M. Jones wrote:
>> On Thu, Oct 14, 2010 at 01:10:47PM +0100, Daniel P. Berrange wrote:
>>
>>> Or a PCI bridge to wire up more PCI buses, so we raise the max limit for
>>> any type of device we emulate.
>>>
>> Break the 29/30/31 virtio-blk limit ... please!
>>
>
> It was broken ages ago:
>
> anthony@howler:~$ wc -l /proc/partitions; tail /proc/partitions
> 422 /proc/partitions
> 251 1618 1 vdcx2
> 251 1621 489951 vdcx5
> 251 1632 10485760 vdcy
> 251 1633 9992398 vdcy1
> 251 1634 1 vdcy2
> 251 1637 489951 vdcy5
> 251 1648 10485760 vdcz
> 251 1649 9992398 vdcz1
> 251 1650 1 vdcz2
> 251 1653 489951 vdcz5
>
> This is what makes qdev so useful.
>
> args=""
> for slot in 5 6 7 8 9 10 11 12 13 14 15 16 17; do
> for fn in 0 1 2 3 4 5 6 7; do
> args="$args -drive
> file=/home/anthony/images/linux.img,if=none,snapshot=on,id=disk${slot}_${fn}"
> args="$args -device
> virtio-blk-pci,addr=${slot}.${fn},drive=disk${slot}_${fn},multifunction=on"
> done
> done
>
> x86_64-softmmu/qemu-system-x86_64 -hda ~/images/linux.img ${args}
> -enable-kvm -serial stdio
>
> Regards,
>
> Anthony Liguori
>
>> Rich.
>>
>>
>
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