Merge branch 'for-next/sdei' into for-next/core

* for-next/sdei:
  arm64: escalate smp_send_stop() to an SDEI NMI as a last resort
  drivers/firmware: add SDEI cross-CPU NMI service for arm64
  firmware: arm_sdei: add SDEI_EVENT_SIGNAL support
  firmware: arm_sdei: add sdei_is_present()

1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h
index f652a5028b59..b9dc21c241be 100644
--- a/include/linux/arm_sdei.h
+++ b/include/linux/arm_sdei.h
@@ -37,6 +37,15 @@ int sdei_event_unregister(u32 event_num);
 int sdei_event_enable(u32 event_num);
 int sdei_event_disable(u32 event_num);
 
+/*
+ * Signal the software-signalled event (event 0) to another PE, NMI-like.
+ * @mpidr is the target's MPIDR affinity.
+ */
+int sdei_event_signal(u32 event_num, u64 mpidr);
+
+/* Was SDEI firmware probed and usable? */
+bool sdei_is_present(void);
+
 /* GHES register/unregister helpers */
 int sdei_register_ghes(struct ghes *ghes, sdei_event_callback *normal_cb,
 		       sdei_event_callback *critical_cb);