diff options
| author | Daniel Henrique Barboza <danielhb413@gmail.com> | 2021-04-16 18:02:15 -0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-04-20 14:22:23 +1000 |
| commit | 0e3b3ff83ce24a7a01e467ca42e3e33e87195c0d (patch) | |
| tree | f4d526ce51e9d9a00151f641602474d3f5727f77 | |
| parent | 864ec4d40c83365b16483d88990e7e579537635c (diff) | |
powerpc/pseries: Introduce dlpar_unisolate_drc()
Next patch will execute a set-indicator call in hotplug-cpu.c.
Create a dlpar_unisolate_drc() helper to avoid spreading more
rtas_set_indicator() calls outside of dlpar.c.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210416210216.380291-2-danielhb413@gmail.com
| -rw-r--r-- | arch/powerpc/platforms/pseries/dlpar.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/pseries.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 233503fcf8f0..3ac70790ec7a 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -329,6 +329,20 @@ int dlpar_release_drc(u32 drc_index) return 0; } +int dlpar_unisolate_drc(u32 drc_index) +{ + int dr_status, rc; + + rc = rtas_call(rtas_token("get-sensor-state"), 2, 2, &dr_status, + DR_ENTITY_SENSE, drc_index); + if (rc || dr_status != DR_ENTITY_PRESENT) + return -1; + + rtas_set_indicator(ISOLATION_STATE, drc_index, UNISOLATE); + + return 0; +} + int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_elog) { int rc; diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 8925a0fac15f..1f051a786fb3 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -52,6 +52,7 @@ extern int dlpar_attach_node(struct device_node *, struct device_node *); extern int dlpar_detach_node(struct device_node *); extern int dlpar_acquire_drc(u32 drc_index); extern int dlpar_release_drc(u32 drc_index); +extern int dlpar_unisolate_drc(u32 drc_index); void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog); int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog); |