[PATCH] lib: sbi: sse: add local unknown nmi event

weidongwd weidong.wd at bytedance.com
Mon Oct 13 22:53:30 PDT 2025


Add the id of local unknown nmi event and add this event to the
list of supported events.

Signed-off-by: weidongwd <weidong.wd at bytedance.com>
---
 include/sbi/sbi_ecall_interface.h | 3 ++-
 lib/sbi/sbi_sse.c                 | 8 +++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h
index af7a05a..8bb0d39 100644
--- a/include/sbi/sbi_ecall_interface.h
+++ b/include/sbi/sbi_ecall_interface.h
@@ -436,7 +436,8 @@ enum sbi_sse_state {
 
 /* Range 0xffff0000 - 0xffffffff */
 #define SBI_SSE_EVENT_LOCAL_SOFTWARE		0xffff0000
-#define SBI_SSE_EVENT_LOCAL_RESERVED_3_START	0xffff0001
+#define SBI_SSE_EVENT_LOCAL_UNKNOWN_NMI		0xffff0001
+#define SBI_SSE_EVENT_LOCAL_RESERVED_3_START	0xffff0002
 #define SBI_SSE_EVENT_LOCAL_RESERVED_3_END	0xffff3fff
 #define SBI_SSE_EVENT_LOCAL_PLAT_3_START	0xffff4000
 #define SBI_SSE_EVENT_LOCAL_PLAT_3_END		0xffff7fff
diff --git a/lib/sbi/sbi_sse.c b/lib/sbi/sbi_sse.c
index 986b770..e771efe 100644
--- a/lib/sbi/sbi_sse.c
+++ b/lib/sbi/sbi_sse.c
@@ -182,9 +182,14 @@ struct sse_event_info global_software_event = {
 	SBI_SLIST_NODE_INIT(NULL),
 };
 
+struct sse_event_info local_unknown_nmi_event = {
+	.event_id = SBI_SSE_EVENT_LOCAL_UNKNOWN_NMI,
+	SBI_SLIST_NODE_INIT(&global_software_event),
+};
+
 struct sse_event_info local_software_event = {
 	.event_id = SBI_SSE_EVENT_LOCAL_SOFTWARE,
-	SBI_SLIST_NODE_INIT(&global_software_event),
+	SBI_SLIST_NODE_INIT(&local_unknown_nmi_event),
 };
 
 static SBI_SLIST_HEAD(supported_events, sse_event_info) =
@@ -202,6 +207,7 @@ static const uint32_t standard_events[] = {
 	SBI_SSE_EVENT_LOCAL_LOW_PRIO_RAS,
 	SBI_SSE_EVENT_GLOBAL_LOW_PRIO_RAS,
 	SBI_SSE_EVENT_LOCAL_SOFTWARE,
+	SBI_SSE_EVENT_LOCAL_UNKNOWN_NMI,
 	SBI_SSE_EVENT_GLOBAL_SOFTWARE,
 };
 
-- 
2.20.1




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