Re: [Xen-devel] [Qemu-devel] [PATCH v3 3/6] suspend: add system_wakeup monitor command

[Gleb Natapov <gleb@xxxxxxxxxx>]

On Wed, Feb 08, 2012 at 12:00:16PM +0100, Gerd Hoffmann wrote:
> This patch adds the system_wakeup monitor command which will simply
> wake up suspended guests.
> 
We can report this one as power button wakeup.

> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> ---
>  hmp-commands.hx  |   14 ++++++++++++++
>  hmp.c            |    5 +++++
>  hmp.h            |    1 +
>  qapi-schema.json |   11 +++++++++++
>  qmp-commands.hx  |   21 +++++++++++++++++++++
>  qmp.c            |    5 +++++
>  6 files changed, 57 insertions(+), 0 deletions(-)
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 573b823..64b3656 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -352,6 +352,20 @@ Resume emulation.
>  ETEXI
>  
>      {
> +        .name       = "system_wakeup",
> +        .args_type  = "",
> +        .params     = "",
> +        .help       = "wakeup guest from suspend",
> +        .mhandler.cmd = hmp_system_wakeup,
> +    },
> +
> +STEXI
> +@item system_wakeup
> +@findex system_wakeup
> +Wakeup guest from suspend.
> +ETEXI
> +
> +    {
>          .name       = "gdbserver",
>          .args_type  = "device:s?",
>          .params     = "[device]",
> diff --git a/hmp.c b/hmp.c
> index 8ff8c94..3a54455 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -632,6 +632,11 @@ void hmp_cont(Monitor *mon, const QDict *qdict)
>      }
>  }
>  
> +void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
> +{
> +    qmp_system_wakeup(NULL);
> +}
> +
>  void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
>  {
>      Error *errp = NULL;
> diff --git a/hmp.h b/hmp.h
> index 18eecbd..5409464 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -41,6 +41,7 @@ void hmp_cpu(Monitor *mon, const QDict *qdict);
>  void hmp_memsave(Monitor *mon, const QDict *qdict);
>  void hmp_pmemsave(Monitor *mon, const QDict *qdict);
>  void hmp_cont(Monitor *mon, const QDict *qdict);
> +void hmp_system_wakeup(Monitor *mon, const QDict *qdict);
>  void hmp_inject_nmi(Monitor *mon, const QDict *qdict);
>  void hmp_set_link(Monitor *mon, const QDict *qdict);
>  void hmp_block_passwd(Monitor *mon, const QDict *qdict);
> diff --git a/qapi-schema.json b/qapi-schema.json
> index d02ee86..226c1da 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -999,6 +999,17 @@
>  { 'command': 'cont' }
>  
>  ##
> +# @system_wakeup:
> +#
> +# Wakeup guest from suspend
> +#
> +# Since:  1.1
> +#
> +# Returns:  nothing.
> +##
> +{ 'command': 'system_wakeup' }
> +
> +##
>  # @inject-nmi:
>  #
>  # Injects an Non-Maskable Interrupt into all guest's VCPUs.
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index b5e2ab8..f5081e2 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -212,6 +212,27 @@ Example:
>  EQMP
>  
>      {
> +        .name       = "system_wakeup",
> +        .args_type  = "",
> +        .mhandler.cmd_new = qmp_marshal_input_system_wakeup,
> +    },
> +
> +SQMP
> +system_wakeup
> +-------------
> +
> +Wakeup guest from suspend.
> +
> +Arguments: None.
> +
> +Example:
> +
> +-> { "execute": "system_wakeup" }
> +<- { "return": {} }
> +
> +EQMP
> +
> +    {
>          .name       = "system_reset",
>          .args_type  = "",
>          .mhandler.cmd_new = qmp_marshal_input_system_reset,
> diff --git a/qmp.c b/qmp.c
> index 45052cc..9ff5ec3 100644
> --- a/qmp.c
> +++ b/qmp.c
> @@ -164,6 +164,11 @@ void qmp_cont(Error **errp)
>      vm_start();
>  }
>  
> +void qmp_system_wakeup(Error **errp)
> +{
> +    qemu_system_wakeup_request();
> +}
> +
>  ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
>  {
>      Object *obj;
> -- 
> 1.7.1
> 
> 

--
                        Gleb.

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