On Sat, 2012-08-18 at 00:28 +1000, Alexey Kardashevskiy wrote:
> On Fri, Jun 22, 2012 at 6:16 PM, Alexey Kardashevskiy wrote:
>
> > On 07/06/12 09:17, Alex Williamson wrote:
> > > On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
> > >> Some adapters (like NEC PCI USB controller) do
On Fri, Jun 22, 2012 at 6:16 PM, Alexey Kardashevskiy wrote:
> On 07/06/12 09:17, Alex Williamson wrote:
> > On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
> >> Some adapters (like NEC PCI USB controller) do not flush their config
> >> on a sioftware reset and remember DMA config,
On 07/06/12 09:17, Alex Williamson wrote:
> On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
>> Some adapters (like NEC PCI USB controller) do not flush their config
>> on a sioftware reset and remember DMA config, etc.
>>
>> If we use such an adapter with QEMU, then crash QEMU (stop
On Wed, 2012-06-06 at 21:56 -0600, Alex Williamson wrote:
> In so far as vfio should only have to call pci_reset_function and
> device
> quirks take care of everything else, I agree with you, but that
> doesn't
> answer any of my questions. Sure, we may want pre- and post-reset
> fixup
> quirks an
On Thu, 2012-06-07 at 12:52 +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2012-06-06 at 17:17 -0600, Alex Williamson wrote:
> > > diff --git a/drivers/vfio/pci/vfio_pci.c
> > b/drivers/vfio/pci/vfio_pci.c
> > > index 1e5315c..6e7c12d 100644
> > > --- a/drivers/vfio/pci/vfio_pci.c
> > > +++ b/drive
On Wed, 2012-06-06 at 17:17 -0600, Alex Williamson wrote:
> > diff --git a/drivers/vfio/pci/vfio_pci.c
> b/drivers/vfio/pci/vfio_pci.c
> > index 1e5315c..6e7c12d 100644
> > --- a/drivers/vfio/pci/vfio_pci.c
> > +++ b/drivers/vfio/pci/vfio_pci.c
> > @@ -88,6 +88,8 @@ static void vfio_pci_disable(str
On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
> Some adapters (like NEC PCI USB controller) do not flush their config
> on a sioftware reset and remember DMA config, etc.
>
> If we use such an adapter with QEMU, then crash QEMU (stop it with
> ctrl-A ctrl-X), and try to use it in
On Mon, May 28, 2012 at 02:48:10PM +0200, Jan Kiszka wrote:
> On 2012-05-28 14:44, Michael S. Tsirkin wrote:
> > On Fri, May 25, 2012 at 05:35:03PM +1000, Alexey Kardashevskiy wrote:
> >> Some adapters (like NEC PCI USB controller) do not flush their config
> >> on a sioftware reset and remember DM
On 2012-05-28 14:44, Michael S. Tsirkin wrote:
> On Fri, May 25, 2012 at 05:35:03PM +1000, Alexey Kardashevskiy wrote:
>> Some adapters (like NEC PCI USB controller) do not flush their config
>> on a sioftware reset and remember DMA config, etc.
>>
>> If we use such an adapter with QEMU, then crash
On Fri, May 25, 2012 at 05:35:03PM +1000, Alexey Kardashevskiy wrote:
> Some adapters (like NEC PCI USB controller) do not flush their config
> on a sioftware reset and remember DMA config, etc.
>
> If we use such an adapter with QEMU, then crash QEMU (stop it with
> ctrl-A ctrl-X), and try to use
On Fri, 2012-05-25 at 06:24 -0600, Alex Williamson wrote:
> > > To eliminate such effect, some quirk should be called. The
> proposed
> > > pci_fixup_final does its job well for mentioned NEC PCI USB but
> not
> > > sure if it is 100% correct.
> >
> > I think we should create a new quirk category.
On Fri, 2012-05-25 at 18:28 +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
> > Some adapters (like NEC PCI USB controller) do not flush their config
> > on a sioftware reset and remember DMA config, etc.
> >
> > If we use such an adapter with
On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
> Some adapters (like NEC PCI USB controller) do not flush their config
> on a sioftware reset and remember DMA config, etc.
>
> If we use such an adapter with QEMU, then crash QEMU (stop it with
> ctrl-A ctrl-X), and try to use it in
Some adapters (like NEC PCI USB controller) do not flush their config
on a sioftware reset and remember DMA config, etc.
If we use such an adapter with QEMU, then crash QEMU (stop it with
ctrl-A ctrl-X), and try to use it in QEMU again, it may start working
immediately with previous config when pc
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