This adds API sdei_event_get_info(), to be used when virtualized
SDEI is supported to retrieve the information about the specified
event.
Signed-off-by: Gavin Shan <gshan@xxxxxxxxxx>
---
drivers/firmware/arm_sdei.c | 13 +++++++++++++
include/linux/arm_sdei.h | 2 ++
2 files changed, 15 insertions(+)
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 3b34501610f9..6bc84ab317d3 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -191,6 +191,19 @@ static int sdei_api_event_get_info(u32 event, u32 info, u64 *result)
0, 0, result);
}
+int sdei_event_get_info(u32 event_num, u32 info, u64 *result)
+{
+ int err;
+
+ mutex_lock(&sdei_events_lock);
+
+ err = sdei_api_event_get_info(event_num, info, result);
+
+ mutex_unlock(&sdei_events_lock);
+
+ return err;
+}
+
static struct sdei_internal_event *sdei_event_create(u32 event_num,
sdei_event_callback *cb,
void *cb_arg)
diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h
index 447fe4ae8d8b..28d5d5853314 100644
--- a/include/linux/arm_sdei.h
+++ b/include/linux/arm_sdei.h
@@ -29,6 +29,8 @@ struct sdei_event {
u8 signaled;
};
+int sdei_event_get_info(u32 event_num, u32 info, u64 *result);
+
/*
* Register your callback to claim an event. The event must be described
* by firmware.
--
2.23.0
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