Re: [Qemu-devel] [PATCH v6 28/28] migration/hmp: add migrate_pause command

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Peter Xu (peterx@redhat.com) wrote:
> Wrapper for QMP command "migrate-pause".
> 
> Signed-off-by: Peter Xu <peterx@redhat.com>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> ---
>  hmp-commands.hx | 14 ++++++++++++++
>  hmp.c           |  9 +++++++++
>  hmp.h           |  1 +
>  3 files changed, 24 insertions(+)
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 7563f3eaa0..32549702ee 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -969,6 +969,20 @@ STEXI
>  @item migrate_recover @var{uri}
>  @findex migrate_recover
>  Continue a paused incoming postcopy migration using the @var{uri}.
> +ETEXI
> +
> +    {
> +        .name       = "migrate_pause",
> +        .args_type  = "",
> +        .params     = "",
> +        .help       = "Pause an ongoing migration (postcopy-only)",
> +        .cmd        = hmp_migrate_pause,
> +    },
> +
> +STEXI
> +@item migrate_pause
> +@findex migrate_pause
> +Pause an ongoing migration.  Currently it only supports postcopy.
>  ETEXI
>  
>      {
> diff --git a/hmp.c b/hmp.c
> index 4062d3fdba..ae6266cb21 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1529,6 +1529,15 @@ void hmp_migrate_recover(Monitor *mon, const QDict *qdict)
>      hmp_handle_error(mon, &err);
>  }
>  
> +void hmp_migrate_pause(Monitor *mon, const QDict *qdict)
> +{
> +    Error *err = NULL;
> +
> +    qmp_migrate_pause(&err);
> +
> +    hmp_handle_error(mon, &err);
> +}
> +
>  /* Kept for backwards compatibility */
>  void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
>  {
> diff --git a/hmp.h b/hmp.h
> index 0d53fe78d9..0aa8dca738 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -71,6 +71,7 @@ void hmp_migrate_cancel(Monitor *mon, const QDict *qdict);
>  void hmp_migrate_continue(Monitor *mon, const QDict *qdict);
>  void hmp_migrate_incoming(Monitor *mon, const QDict *qdict);
>  void hmp_migrate_recover(Monitor *mon, const QDict *qdict);
> +void hmp_migrate_pause(Monitor *mon, const QDict *qdict);
>  void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);
>  void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict);
>  void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict);
> -- 
> 2.14.3
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK