[RFC v5 3/6] migration/dlpar: Add device readd queuing function

[Thomas Falcon]

On 05/21/2018 12:52 PM, Michael Bringmann wrote:
> migration/dlpar: This patch adds function dlpar_readd_action()
> which will queue a worker function to 'readd' a device in the
> system.  Such devices must be identified by a 'resource' type
> and a drc_index to be readded.

The function in the commit message and the patch have different names. The patch seems to queue a generic action instead of a readd.  The commit message needs to be updated to describe this new function.

Tom

>
> Signed-off-by: Michael Bringmann <mwb at linux.vnet.ibm.com>
> ---
>  arch/powerpc/platforms/pseries/dlpar.c   |   14 ++++++++++++++
>  arch/powerpc/platforms/pseries/pseries.h |    1 +
>  2 files changed, 15 insertions(+)
>
> diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
> index a0b20c0..a14684e 100644
> --- a/arch/powerpc/platforms/pseries/dlpar.c
> +++ b/arch/powerpc/platforms/pseries/dlpar.c
> @@ -407,6 +407,20 @@ void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog,
>  	}
>  }
>
> +int dlpar_queue_action(int resource, int action, u32 drc_index)
> +{
> +	struct pseries_hp_errorlog hp_elog;
> +
> +	hp_elog.resource = resource;
> +	hp_elog.action = action;
> +	hp_elog.id_type = PSERIES_HP_ELOG_ID_DRC_INDEX;
> +	hp_elog._drc_u.drc_index = drc_index;
> +
> +	queue_hotplug_event(&hp_elog, NULL, NULL);
> +
> +	return 0;
> +}
> +
>  static int dlpar_parse_resource(char **cmd, struct pseries_hp_errorlog *hp_elog)
>  {
>  	char *arg;
> diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
> index 60db2ee..cb2beb1 100644
> --- a/arch/powerpc/platforms/pseries/pseries.h
> +++ b/arch/powerpc/platforms/pseries/pseries.h
> @@ -61,6 +61,7 @@ extern struct device_node *dlpar_configure_connector(__be32,
>
>  void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog,
>  			 struct completion *hotplug_done, int *rc);
> +extern int dlpar_queue_action(int resource, int action, u32 drc_index);
>  #ifdef CONFIG_MEMORY_HOTPLUG
>  int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
>  #else