On Wed, Mar 06, 2013 at 04:48:17AM -0500, Paolo Bonzini wrote:
>
> > On Wed, Mar 06, 2013 at 10:07:31AM +0100, Paolo Bonzini wrote:
> > > Il 06/03/2013 09:56, Hu Tao ha scritto:
> > > >> >
> > > >> > Something like this should work (in SeaBIOS's
> > > >> > src/acpi-dsdt-isa.dsl):
> > > >> >
> >
> On Wed, Mar 06, 2013 at 10:07:31AM +0100, Paolo Bonzini wrote:
> > Il 06/03/2013 09:56, Hu Tao ha scritto:
> > >> >
> > >> > Something like this should work (in SeaBIOS's
> > >> > src/acpi-dsdt-isa.dsl):
> > >> >
> > >> > Device(PEVT) {
> > >> > Name(_HID, EisaId("QEMU0001"))
> > >
On Wed, Mar 06, 2013 at 10:07:31AM +0100, Paolo Bonzini wrote:
> Il 06/03/2013 09:56, Hu Tao ha scritto:
> >> >
> >> > Something like this should work (in SeaBIOS's src/acpi-dsdt-isa.dsl):
> >> >
> >> > Device(PEVT) {
> >> > Name(_HID, EisaId("QEMU0001"))
> >> > OperationRegio
On Wed, Mar 06, 2013 at 04:46:58PM +0800, Hu Tao wrote:
> On Sun, Mar 03, 2013 at 11:17:38AM +0200, Gleb Natapov wrote:
> > On Thu, Feb 28, 2013 at 08:13:10PM +0800, Hu Tao wrote:
> > > This series implements a new interface, kvm pv event, to notify host when
> > > some events happen in guest. Righ
在 2013-03-06三的 10:07 +0100,Paolo Bonzini写道:
> Il 06/03/2013 09:56, Hu Tao ha scritto:
> >> >
> >> > Something like this should work (in SeaBIOS's src/acpi-dsdt-isa.dsl):
> >> >
> >> > Device(PEVT) {
> >> > Name(_HID, EisaId("QEMU0001"))
> >> > OperationRegion(PEOR, SystemIO, 0
Il 06/03/2013 09:56, Hu Tao ha scritto:
>> >
>> > Something like this should work (in SeaBIOS's src/acpi-dsdt-isa.dsl):
>> >
>> > Device(PEVT) {
>> > Name(_HID, EisaId("QEMU0001"))
>> > OperationRegion(PEOR, SystemIO, 0x505, 0x01)
>> > Field(PEOR, ByteAcc, NoLock, Pres
Hi,
On Mon, Mar 04, 2013 at 11:05:37AM +0100, Paolo Bonzini wrote:
> Il 03/03/2013 10:17, Gleb Natapov ha scritto:
> > On Thu, Feb 28, 2013 at 08:13:10PM +0800, Hu Tao wrote:
> >> This series implements a new interface, kvm pv event, to notify host when
> >> some events happen in guest. Right now
On Sun, Mar 03, 2013 at 11:17:38AM +0200, Gleb Natapov wrote:
> On Thu, Feb 28, 2013 at 08:13:10PM +0800, Hu Tao wrote:
> > This series implements a new interface, kvm pv event, to notify host when
> > some events happen in guest. Right now there is one supported event: guest
> > panic.
> >
> What
Il 04/03/2013 12:52, Gleb Natapov ha scritto:
> > Same here, you can remove the panic event port and add debugcon at
> > 0x505. That's the problematic case. But if the user goes to that
> > length, I think we can honestly say we don't care.
>
> IMO there is a big difference between well know seri
On Mon, Mar 04, 2013 at 12:35:08PM +0100, Paolo Bonzini wrote:
> Il 04/03/2013 12:20, Gleb Natapov ha scritto:
> > On Mon, Mar 04, 2013 at 12:10:58PM +0100, Paolo Bonzini wrote:
> >>> It is additional device that
> >>> may or may not be present depending on a command line. So what if
> >>> someone
Il 04/03/2013 12:20, Gleb Natapov ha scritto:
> On Mon, Mar 04, 2013 at 12:10:58PM +0100, Paolo Bonzini wrote:
>>> It is additional device that
>>> may or may not be present depending on a command line. So what if
>>> someone configures debugcon or debugexit to use this port?
>>
>> I haven't checke
On Mon, Mar 04, 2013 at 12:10:58PM +0100, Paolo Bonzini wrote:
> Il 04/03/2013 11:59, Gleb Natapov ha scritto:
> > > I want to make the ioport configurable in the device, but the PIIX and
> > > ICH9 (which are what the DSDT is written for) will always use port 0x505.
> >
> > But the device is not
Il 04/03/2013 11:59, Gleb Natapov ha scritto:
> > I want to make the ioport configurable in the device, but the PIIX and
> > ICH9 (which are what the DSDT is written for) will always use port 0x505.
>
> But the device is not part of PIIX or ICH9.
So is kvmclock, or kvmvapic. I think it makes sen
On Mon, Mar 04, 2013 at 11:49:07AM +0100, Paolo Bonzini wrote:
> Il 04/03/2013 11:43, Gleb Natapov ha scritto:
> > > Anyhow, this does not apply to the next submission of this series. I
> > > think we can agree to the compromise of using ACPI but still read the
> > > port in _STA.
> >
> > If you
Il 04/03/2013 11:43, Gleb Natapov ha scritto:
> > Anyhow, this does not apply to the next submission of this series. I
> > think we can agree to the compromise of using ACPI but still read the
> > port in _STA.
>
> If you want to make ioport configurable I do not see how can we avoid
> patching.
On Mon, Mar 04, 2013 at 11:28:05AM +0100, Paolo Bonzini wrote:
> Il 04/03/2013 11:21, Gleb Natapov ha scritto:
> >> > Just to clarify it for Hu Tao, the read from a random ioport is how the
> >> > ACPI code will detect presence of the device.
> >> >
> > Actually no (at least in the long run, for t
Il 04/03/2013 11:21, Gleb Natapov ha scritto:
>> > Just to clarify it for Hu Tao, the read from a random ioport is how the
>> > ACPI code will detect presence of the device.
>> >
> Actually no (at least in the long run, for the first version it may be
> OK).
Agreed.
> Since we want to move DSDT
On Mon, Mar 04, 2013 at 11:05:37AM +0100, Paolo Bonzini wrote:
> > Guest uses acpi_get_devices() to discover a platform device by
> > its name (QEMU0001). Then you put the driver for the platform device
> > into drivers/platform/x86/ and QEMU/kvm/Xen all will be able to use it.
>
> Just to clarif
Il 03/03/2013 10:17, Gleb Natapov ha scritto:
> On Thu, Feb 28, 2013 at 08:13:10PM +0800, Hu Tao wrote:
>> This series implements a new interface, kvm pv event, to notify host when
>> some events happen in guest. Right now there is one supported event: guest
>> panic.
>>
> What other event do you h
On Thu, Feb 28, 2013 at 08:13:10PM +0800, Hu Tao wrote:
> This series implements a new interface, kvm pv event, to notify host when
> some events happen in guest. Right now there is one supported event: guest
> panic.
>
What other event do you have in mind? Is interface generic enough to
accommoda
This series implements a new interface, kvm pv event, to notify host when
some events happen in guest. Right now there is one supported event: guest
panic.
Also, the cpu runstate is preserved during save/load vm and migration. Thus,
if vm is panicked during migration, we can still know it by qurin
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