24 static void reset_overflow(CXLEventLog *log)  in reset_overflow()  argument
26     log->overflow_err_count = 0;  in reset_overflow()
27     log->first_overflow_timestamp = 0;  in reset_overflow()
28     log->last_overflow_timestamp = 0;  in reset_overflow()
33     CXLEventLog *log;  in cxl_event_init()  local
37         log = &cxlds->event_logs[i];  in cxl_event_init()
38         log->next_handle = 1;  in cxl_event_init()
39         log->overflow_err_count = 0;  in cxl_event_init()
40         log->first_overflow_timestamp = 0;  in cxl_event_init()
41         log->last_overflow_timestamp = 0;  in cxl_event_init()
42         log->irq_enabled = false;  in cxl_event_init()
43         log->irq_vec = start_msg_num++;  in cxl_event_init()
44         qemu_mutex_init(&log->lock);  in cxl_event_init()
45         QSIMPLEQ_INIT(&log->events);  in cxl_event_init()
54 static CXLEvent *cxl_event_get_head(CXLEventLog *log)  in cxl_event_get_head()  argument
56     return QSIMPLEQ_FIRST(&log->events);  in cxl_event_get_head()
64 static int cxl_event_count(CXLEventLog *log)  in cxl_event_count()  argument
69     QSIMPLEQ_FOREACH(event, &log->events, node) {  in cxl_event_count()
76 static bool cxl_event_empty(CXLEventLog *log)  in cxl_event_empty()  argument
78     return QSIMPLEQ_EMPTY(&log->events);  in cxl_event_empty()
83                                   CXLEventLog *log)  in cxl_event_delete_head()  argument
85     CXLEvent *entry = cxl_event_get_head(log);  in cxl_event_delete_head()
87     reset_overflow(log);  in cxl_event_delete_head()
88     QSIMPLEQ_REMOVE_HEAD(&log->events, node);  in cxl_event_delete_head()
89     if (cxl_event_empty(log)) {  in cxl_event_delete_head()
103     CXLEventLog *log;  in cxl_event_insert()  local
112     log = &cxlds->event_logs[log_type];  in cxl_event_insert()
114     QEMU_LOCK_GUARD(&log->lock);  in cxl_event_insert()
116     if (cxl_event_count(log) >= CXL_TEST_EVENT_OVERFLOW) {  in cxl_event_insert()
117         if (log->overflow_err_count == 0) {  in cxl_event_insert()
118             log->first_overflow_timestamp = time;  in cxl_event_insert()
120         log->overflow_err_count++;  in cxl_event_insert()
121         log->last_overflow_timestamp = time;  in cxl_event_insert()
129     entry->data.hdr.handle = cpu_to_le16(log->next_handle);  in cxl_event_insert()
130     log->next_handle++;  in cxl_event_insert()
132     if (log->next_handle == 0) {  in cxl_event_insert()
133         log->next_handle++;  in cxl_event_insert()
137     QSIMPLEQ_INSERT_TAIL(&log->events, entry, node);  in cxl_event_insert()
141     return cxl_event_count(log) == 1;  in cxl_event_insert()
148     CXLEventLog *log;  in cxl_event_get_records()  local
156     log = &cxlds->event_logs[log_type];  in cxl_event_get_records()
158     QEMU_LOCK_GUARD(&log->lock);  in cxl_event_get_records()
160     entry = cxl_event_get_head(log);  in cxl_event_get_records()
166     if (!cxl_event_empty(log)) {  in cxl_event_get_records()
170     if (log->overflow_err_count) {  in cxl_event_get_records()
172         pl->overflow_err_count = cpu_to_le16(log->overflow_err_count);  in cxl_event_get_records()
174             cpu_to_le64(log->first_overflow_timestamp);  in cxl_event_get_records()
176             cpu_to_le64(log->last_overflow_timestamp);  in cxl_event_get_records()
188     CXLEventLog *log;  in cxl_event_clear_records()  local
199     log = &cxlds->event_logs[log_type];  in cxl_event_clear_records()
201     QEMU_LOCK_GUARD(&log->lock);  in cxl_event_clear_records()
211     entry = cxl_event_get_head(log);  in cxl_event_clear_records()
222     entry = cxl_event_get_head(log);  in cxl_event_clear_records()
224         cxl_event_delete_head(cxlds, log_type, log);  in cxl_event_clear_records()
225         entry = cxl_event_get_head(log);  in cxl_event_clear_records()
238         CXLEventLog *log = &cxlds->event_logs[i];  in cxl_event_irq_assert()  local
240         if (!log->irq_enabled || cxl_event_empty(log)) {  in cxl_event_irq_assert()
246             msix_notify(pdev, log->irq_vec);  in cxl_event_irq_assert()
248             msi_notify(pdev, log->irq_vec);  in cxl_event_irq_assert()