From: Anjali Kulkarni <anjali@juniper.net>
To: Anthony Liguori <anthony@codemonkey.ws>,
"Richard W.M. Jones" <rjones@redhat.com>
Cc: "Daniel P. Berrange" <berrange@redhat.com>,
Avi Kivity <avi@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Hitting 29 NIC limit
Date: Thu, 14 Oct 2010 15:00:02 -0700 [thread overview]
Message-ID: <C8DCCB72.301F3%anjali@juniper.net> (raw)
In-Reply-To: <4CB77CD0.3030203@codemonkey.ws>
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@codemonkey.ws> 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 ${args}
> -enable-kvm -serial stdio
>
> Regards,
>
> Anthony Liguori
>
>> Rich.
>>
>>
>
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Anjali Kulkarni <anjali@juniper.net>
To: Anthony Liguori <anthony@codemonkey.ws>,
"Richard W.M. Jones" <rjones@redhat.com>
Cc: Avi Kivity <avi@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Hitting 29 NIC limit
Date: Thu, 14 Oct 2010 15:00:02 -0700 [thread overview]
Message-ID: <C8DCCB72.301F3%anjali@juniper.net> (raw)
In-Reply-To: <4CB77CD0.3030203@codemonkey.ws>
Can you send me pointers to the qdev documentation? How can I use it? Will
it allow us to scale above the 32 PCI limit?
Anjali
On 10/14/10 2:57 PM, "Anthony Liguori" <anthony@codemonkey.ws> wrote:
> On 10/14/2010 04:42 PM, Richard W.M. Jones wrote:
>> On Thu, Oct 14, 2010 at 01:10:47PM +0100, Daniel P. Berrange wrote:
>>
>>> Or a PCI bridge to wire up more PCI buses, so we raise the max limit for
>>> any type of device we emulate.
>>>
>> Break the 29/30/31 virtio-blk limit ... please!
>>
>
> It was broken ages ago:
>
> anthony@howler:~$ 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.
>>
>>
>
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2010-10-14 22:01 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-05 14:48 8 NIC limit linux_kvm
2010-10-05 15:24 ` Dustin Kirkland
2010-10-05 15:24 ` [Qemu-devel] " Dustin Kirkland
[not found] ` <1286294888.11462.1398488135@webmail.messagingengine.com>
[not found] ` <1286295603.7731.28.camel@x200>
2010-10-06 5:46 ` 8 NIC limit - patch - places limit at 32 linux_kvm
2010-10-06 5:46 ` [Qemu-devel] " linux_kvm
2010-10-06 12:54 ` Anthony Liguori
2010-10-06 17:11 ` linux_kvm
2010-10-07 1:39 ` Chris Wright
2010-10-13 22:18 ` [Qemu-devel] Hitting 29 NIC limit (was Re: 8 NIC limit - patch - places limit at 32) Anjali Kulkarni
2010-10-13 22:32 ` Hitting 29 NIC limit Anjali Kulkarni
2010-10-13 22:32 ` [Qemu-devel] " Anjali Kulkarni
2010-10-13 22:54 ` Anthony Liguori
2010-10-13 22:54 ` Anthony Liguori
2010-10-14 12:07 ` Avi Kivity
2010-10-14 12:07 ` Avi Kivity
2010-10-14 12:10 ` Daniel P. Berrange
2010-10-14 12:10 ` Daniel P. Berrange
2010-10-14 12:57 ` Anthony Liguori
2010-10-14 12:57 ` Anthony Liguori
2010-10-18 20:07 ` H. Peter Anvin
2010-10-18 20:07 ` H. Peter Anvin
2010-10-14 21:42 ` Richard W.M. Jones
2010-10-14 21:42 ` Richard W.M. Jones
2010-10-14 21:57 ` Anthony Liguori
2010-10-14 21:57 ` Anthony Liguori
2010-10-14 22:00 ` Anjali Kulkarni [this message]
2010-10-14 22:00 ` Anjali Kulkarni
2010-10-14 22:09 ` Anthony Liguori
2010-10-14 22:09 ` Anthony Liguori
2010-10-14 22:12 ` Anjali Kulkarni
2010-10-14 22:12 ` Anjali Kulkarni
2010-10-14 22:17 ` Anthony Liguori
2010-10-14 22:17 ` Anthony Liguori
2010-11-16 17:23 ` Michael S. Tsirkin
2010-11-16 17:23 ` [Qemu-devel] " Michael S. Tsirkin
2010-11-16 19:00 ` Anthony Liguori
2010-11-16 19:00 ` [Qemu-devel] " Anthony Liguori
2010-10-14 22:08 ` [Qemu-devel] " Richard W.M. Jones
2010-10-14 22:08 ` Richard W.M. Jones
2010-10-14 12:36 ` Markus Armbruster
2010-10-14 12:36 ` Markus Armbruster
2010-10-14 12:59 ` Anthony Liguori
2010-10-14 12:59 ` Anthony Liguori
2010-10-15 9:11 ` Markus Armbruster
2010-10-15 9:11 ` [Qemu-devel] " Markus Armbruster
2010-10-15 18:49 ` Passing in additional info to guest OS and e1000 test suite? Anjali Kulkarni
2010-10-15 18:49 ` [Qemu-devel] " Anjali Kulkarni
2010-10-15 20:02 ` Anthony Liguori
2010-10-15 20:02 ` [Qemu-devel] " Anthony Liguori
2010-10-14 12:54 ` [Qemu-devel] Hitting 29 NIC limit Anthony Liguori
2010-10-14 12:54 ` Anthony Liguori
2010-10-14 13:23 ` Avi Kivity
2010-10-14 13:23 ` Avi Kivity
2010-10-14 14:11 ` Anthony Liguori
2010-10-14 14:11 ` Anthony Liguori
2010-10-14 14:53 ` Avi Kivity
2010-10-14 14:53 ` Avi Kivity
2010-10-28 20:52 ` [Qemu-devel] Hitting 29 NIC limit (+Intel VT-c) linux_kvm
2010-11-16 17:21 ` Hitting 29 NIC limit Michael S. Tsirkin
2010-11-16 17:21 ` [Qemu-devel] " Michael S. Tsirkin
[not found] ` <C9081994.3517C%anjali@juniper.net>
[not found] ` <20101117105843.GB10168@redhat.com>
2010-11-18 3:09 ` Isaku Yamahata
2010-11-18 5:41 ` Wei Xu
2010-11-18 6:31 ` Isaku Yamahata
2010-11-18 6:46 ` Michael S. Tsirkin
2010-11-18 7:09 ` Isaku Yamahata
2010-11-18 7:15 ` Michael S. Tsirkin
2010-11-18 7:27 ` Isaku Yamahata
2010-11-18 11:54 ` Gerd Hoffmann
2010-11-18 23:55 ` Isaku Yamahata
2010-10-05 15:57 ` 8 " Markus Armbruster
2010-10-05 16:20 ` linux_kvm
2010-10-05 16:43 ` Brian Jackson
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