Re: [Xen-devel] [PATCH 04/10] acpi: Power and Sleep ACPI buttons are not emulated

[annie li <annie.li@xxxxxxxxxx>]

On 11/7/2016 10:38 AM, Konrad Rzeszutek Wilk wrote:
> On Sun, Nov 06, 2016 at 04:42:37PM -0500, Boris Ostrovsky wrote:
> > .. for PVH guests. However, since emulating them for HVM guests
> > also doesn't seem useful we can have FADT disable those buttons
> > for both types of guests.
> Wait, we need S3 suspend for HVM guests (think Windows without PV drivers)!
> And I this is how we "inject" the event to the guest.
>
> CC-ing Annie and Adnan who I believe had to do something like this
> in old version of OVS, maybe they can recall more details.
Our winpv supports S4(hibernation) which will be tested by WHQL, and 
S3(Sleep) is optional(no real process for it yet).
Thanks
Annie
> > Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> > ---
> >   tools/libacpi/static_tables.c | 3 ++-
> >   1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/libacpi/static_tables.c b/tools/libacpi/static_tables.c
> > index 413abcc..ebe8ffe 100644
> > --- a/tools/libacpi/static_tables.c
> > +++ b/tools/libacpi/static_tables.c
> > @@ -61,7 +61,8 @@ struct acpi_20_fadt Fadt = {
> >       .flags = (ACPI_PROC_C1 |
> >                 ACPI_WBINVD |
> >                 ACPI_FIX_RTC | ACPI_TMR_VAL_EXT |
> > -              ACPI_USE_PLATFORM_CLOCK),
> > +              ACPI_USE_PLATFORM_CLOCK |
> > +              ACPI_PWR_BUTTON | ACPI_SLP_BUTTON),
> >   
> >       .reset_reg = {
> >           .address_space_id    = ACPI_SYSTEM_IO,
> > --
> > 2.7.4
> >
> >
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