Re: [PATCH 0/7] AlacrityVM guest drivers Reply-To:

2009-08-06 Thread Pantelis Koukousoulas
How hard would it be to implement virtio over vbus and perhaps the virtio-net backend? This would leave only one variable in the comparison, clear misconceptions and make evaluation easier by judging each of vbus, venet etc separately on its own merits. The way things are now, it is unclear

Re: NV-CUDA: a new way in virtualization is possible?

2009-06-04 Thread Pantelis Koukousoulas
It would be possible to use this technology in the KVM/Qemu project to achieve better performance? It could be a significative step for the develop in virtualization technology? Nothing is impossible, but it is at least not obvious how to pull off such a trick. Qemu/KVM is not embarrassingly

Re: Paravirtualisation or not?

2009-05-05 Thread Pantelis Koukousoulas
On Tue, May 5, 2009 at 11:37 AM, Stefan Hajnoczi stefa...@gmail.com wrote: If a set of drivers essentially implementing the virtio framework (virtio_pci, virtio_ring, virtio queues) were available for windows, that would be *really* neat. I haven't tried them myself but I think this will give

Re: Paravirtualisation or not?

2009-05-04 Thread Pantelis Koukousoulas
- paravirtualized drivers widely available both for Linux and Windows (Xen's drivers on windows can be hard and/or expensive to get) Well, Xen has GPL PV drivers for windows (at least for networking) which KVM doesn't have. There is a promise but no date attached to it. If a set of drivers

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-05-03 Thread Pantelis Koukousoulas
I 'd be happy with a simple comment explaining the 0x103f (e.g., /* Not yet using the full 0x1000 - 0x10ef to hedge our bets in case we broke the ABI.*/ as explained above) Thanks, I like your patch. Where did this idea of experimental range come from, BTW? In the qemu sources, there is a

Re: FW: Notification from Qemu to Guest

2009-05-01 Thread Pantelis Koukousoulas
And as a part of handle output for kick in the qemu side I am simply calling virtio_notify static void virtio_sample_handle_output(VirtIODevice *vdev, VirtQueue *vq) {            printf(Function = %s, Line =

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-04-29 Thread Pantelis Koukousoulas
On Tue, Apr 28, 2009 at 6:19 PM, Gerd Hoffmann kra...@redhat.com wrote:  Hi, Ok, since a day has passed with no further comments, I 'll dare to assume everyone is happy with this solution. So, here is an implementation. I 've tested locally with my driver that uses 0x10f5 and it seems to

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-04-28 Thread Pantelis Koukousoulas
On Mon, Apr 27, 2009 at 2:56 PM, Avi Kivity a...@redhat.com wrote: Pantelis Koukousoulas wrote: Or maybe  modprobe virtio-pci claim=0x10f2 claim=0x10f7 How about claim=0x10f2,0x10f7 instead so that it can be implemented as a standard module array parameter? Even better. Ok, since

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-04-27 Thread Pantelis Koukousoulas
I'd suggest to exclude the experimental range by default (enable via module parameter) to make clear it isn't for regular use. Module parameter on what? The module parameter parsing code is afaict provided by the end-driver (e.g., virtio-net) which only speaks virtio and has no idea there is an

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-04-27 Thread Pantelis Koukousoulas
Or maybe  modprobe virtio-pci claim=0x10f2 claim=0x10f7 How about claim=0x10f2,0x10f7 instead so that it can be implemented as a standard module array parameter? -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-04-26 Thread Pantelis Koukousoulas
Please copy the virtio maintainer (Rusty Russell ru...@rustcorp.com.au) on virtio guest patches. Well, for now the issue is whether my understanding of qemu/pci-ids.txt and the comment in virtio_pci.c that both say that the full 0x1000 - 0x10ff range of PCI device IDs is donated for virtio_pci

Re: [PATCH] Assign the correct pci id range to virtio_pci

2009-04-26 Thread Pantelis Koukousoulas
On Mon, Apr 27, 2009 at 3:44 AM, Anthony Liguori anth...@codemonkey.ws wrote: Rusty Russell wrote: On Sun, 26 Apr 2009 10:19:16 pm Avi Kivity wrote: 0x1000-0x10ff is correct.  I don't know where the 0x103f came from.  Rusty? We decided to hedge our bets in case we broke the ABI. AFAICT

[PATCH] Assign the correct pci id range to virtio_pci

2009-04-24 Thread Pantelis Koukousoulas
According to the file pci-ids.txt in qemu sources, the range of PCI device IDs assigned to virtio_pci is 0x1000 to 0x10ff, with a few subranges that have different rules regarding who can get an ID there and how. Nevertheless, the full range should be assigned to the generic virtio_pci driver, so