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.
Signed-off-by: Michael Bringmann <m...@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
