Re: [Xen-devel] [PATCH v4] tools/firmware: add ACPI device for Windows laptop/slate mode switch

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Mar 24, 2017 at 01:31:39PM +0000, Paul Durrant wrote:
> Microsoft have defined an ACPI device to support switching Windows 10
> between laptop/desktop mode and slate/tablet mode [1].
> 
> This patch adds an SSDT containing such a device. The presence of the
> device is controlled by a new 'acpi_laptop_slate' boolean in xl.cfg.
> The new device will not be present by default.
> 
> [1] 
> https://msdn.microsoft.com/en-us/windows/hardware/commercialize/design/device-experiences/continuum
> 
> Signed-off-by: Owen Smith <owen.smith@xxxxxxxxxx>
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> ---
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> NOTE: Odd looking braces style in tools/libacpi/build.c is for
>       consistency with existing code.
> 
> v4:
>  - Fix commit comment with new paramater name
> 
> v3:
>  - s/acpi_conv/acpi_laptop_slate/g
> 
> v2:
>  - Fix default if xenstore key is missing
> ---
>  docs/man/xl.cfg.pod.5.in            |  5 +++++
>  tools/firmware/hvmloader/util.c     |  2 ++
>  tools/libacpi/Makefile              |  4 ++--
>  tools/libacpi/build.c               | 11 +++++++++++
>  tools/libacpi/libacpi.h             | 31 +++++++++++++++---------------
>  tools/libacpi/ssdt_laptop_slate.asl | 38 
> +++++++++++++++++++++++++++++++++++++
>  tools/libxl/libxl_create.c          |  3 +++
>  tools/libxl/libxl_types.idl         |  1 +
>  tools/xl/xl_parse.c                 |  1 +

Missing a LIBXL_HAVE macro.

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