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

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

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.
> 
> 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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