Re: [Qemu-devel] [PATCH v2 2/5] acpi, ich9: Add hotunplug request cb for ich9.

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Jan 28, 2015 at 03:45:38PM +0800, Zhu Guihua wrote:
> From: Tang Chen <tangchen@cn.fujitsu.com>
> 
> Memory and CPU hot unplug are both asynchronous procedures.
> They both need unplug request cb when the unplug operation happens.
> 
> This patch adds hotunplug request cb for ich9, and memory and CPU
> hot unplug will share it.
> 
> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
> Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
> ---
>  hw/acpi/ich9.c         | 7 +++++++
>  hw/isa/lpc_ich9.c      | 5 +++--
>  include/hw/acpi/ich9.h | 2 ++
>  3 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> index 884dab3..5fe1eb8 100644
> --- a/hw/acpi/ich9.c
> +++ b/hw/acpi/ich9.c
> @@ -397,6 +397,13 @@ void ich9_pm_device_plug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp)
>      }
>  }
>  
> +void ich9_pm_device_unplug_request_cb(ICH9LPCPMRegs *pm, DeviceState *dev,
> +                                      Error **errp)
> +{
> +    error_setg(errp, "acpi: device unplug request for not supported device"

s/not supported/unsupported/

don't respin just for this.

> +               " type: %s", object_get_typename(OBJECT(dev)));
> +}
> +
>  void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list)
>  {
>      ICH9LPCState *s = ICH9_LPC_DEVICE(adev);
> diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
> index 530b074..d00b223 100644
> --- a/hw/isa/lpc_ich9.c
> +++ b/hw/isa/lpc_ich9.c
> @@ -610,8 +610,9 @@ static void ich9_device_plug_cb(HotplugHandler *hotplug_dev,
>  static void ich9_device_unplug_request_cb(HotplugHandler *hotplug_dev,
>                                            DeviceState *dev, Error **errp)
>  {
> -    error_setg(errp, "acpi: device unplug request for not supported device"
> -               " type: %s", object_get_typename(OBJECT(dev)));
> +    ICH9LPCState *lpc = ICH9_LPC_DEVICE(hotplug_dev);
> +
> +    ich9_pm_device_unplug_request_cb(&lpc->pm, dev, errp);
>  }
>  
>  static bool ich9_rst_cnt_needed(void *opaque)
> diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h
> index 12d7a7a..eaef0c3 100644
> --- a/include/hw/acpi/ich9.h
> +++ b/include/hw/acpi/ich9.h
> @@ -63,6 +63,8 @@ extern const VMStateDescription vmstate_ich9_pm;
>  void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp);
>  
>  void ich9_pm_device_plug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp);
> +void ich9_pm_device_unplug_request_cb(ICH9LPCPMRegs *pm, DeviceState *dev,
> +                                      Error **errp);
>  
>  void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
>  #endif /* HW_ACPI_ICH9_H */
> -- 
> 1.9.3