Re: [Xen-devel] [PATCH] docs/misc: document PV control/feature keys for laptop/slate mode

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Mar 30, 2017 at 02:40:45PM +0100, Paul Durrant wrote:
> Commit 4c8153d9 "add ACPI device for Windows laptop/slate mode switch"
> added code to provide an 'laptop/slate mode' ACPI device to guests.
> 
> When present this device is used by Microsoft Windows to bind a HID
> driver which controls whether the Windows desktop appearance is optimized
> for laptop/desktop or slate/tablet PCs. The mechanism for switching
> between modes is to open a handle to this driver and write a byte of
> arbitrary data.
> 
> This patch documents xenstore keys such that a PV agent running in a
> Windows guest can advertise the capability to, and receive instruction
> from, a toolstack to cause such a mode switch.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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