[RFC v5 3/6] migration/dlpar: Add device readd queuing function
From: Michael Bringmann <hidden>
Date: 2018-05-22 23:36:47
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
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 <redacted> --- 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