hw/cxl/events: discard all event records during sanitation
Per CXL r3.1 Section 8.2.9.9.5.1: Sanitize (Opcode 4400h), the
sanitize command should delete all event logs. Introduce
cxl_discard_all_event_logs() and call
this in __do_sanitization().
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20231222090051.3265307-5-42.hyeyoo@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20240705120643.959422-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/hw/cxl/cxl-events.c b/hw/cxl/cxl-events.c
index d397718..12dee2e 100644
--- a/hw/cxl/cxl-events.c
+++ b/hw/cxl/cxl-events.c
@@ -139,6 +139,19 @@
return cxl_event_count(log) == 1;
}
+void cxl_discard_all_event_records(CXLDeviceState *cxlds)
+{
+ CXLEventLogType log_type;
+ CXLEventLog *log;
+
+ for (log_type = 0; log_type < CXL_EVENT_TYPE_MAX; log_type++) {
+ log = &cxlds->event_logs[log_type];
+ while (!cxl_event_empty(log)) {
+ cxl_event_delete_head(cxlds, log_type, log);
+ }
+ }
+}
+
CXLRetCode cxl_event_get_records(CXLDeviceState *cxlds, CXLGetEventPayload *pl,
uint8_t log_type, int max_recs,
size_t *len)
