3  * HiSilicon SoC Hardware event counters support
41  * PMU event attributes
66 static bool hisi_validate_event_group(struct perf_event *event)  in hisi_validate_event_group()  argument
68 	struct perf_event *sibling, *leader = event->group_leader;  in hisi_validate_event_group()
69 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_validate_event_group()
70 	/* Include count for the event */  in hisi_validate_event_group()
78 		if (leader->pmu != event->pmu)  in hisi_validate_event_group()
82 		if (leader != event)  in hisi_validate_event_group()
86 	for_each_sibling_event(sibling, event->group_leader) {  in hisi_validate_event_group()
89 		if (sibling->pmu != event->pmu)  in hisi_validate_event_group()
105 int hisi_uncore_pmu_get_event_idx(struct perf_event *event)  in hisi_uncore_pmu_get_event_idx()  argument
107 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_get_event_idx()
125 		dev_err(hisi_pmu->dev, "Unsupported event index:%d!\n", idx);  in hisi_uncore_pmu_clear_event_idx()
132 int hisi_uncore_pmu_event_init(struct perf_event *event)  in hisi_uncore_pmu_event_init()  argument
134 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_event_init()
137 	if (event->attr.type != event->pmu->type)  in hisi_uncore_pmu_event_init()
145 	if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)  in hisi_uncore_pmu_event_init()
152 	if (event->cpu < 0)  in hisi_uncore_pmu_event_init()
159 	if (!hisi_validate_event_group(event))  in hisi_uncore_pmu_event_init()
162 	hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_event_init()
163 	if (event->attr.config > hisi_pmu->check_event)  in hisi_uncore_pmu_event_init()
169 	 * We don't assign an index until we actually place the event onto  in hisi_uncore_pmu_event_init()
174 	hwc->config_base	= event->attr.config;  in hisi_uncore_pmu_event_init()
177 	event->cpu = hisi_pmu->on_cpu;  in hisi_uncore_pmu_event_init()
184  * Set the counter to count the event that we're interested in,
187 static void hisi_uncore_pmu_enable_event(struct perf_event *event)  in hisi_uncore_pmu_enable_event()  argument
189 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_enable_event()
190 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_enable_event()
193 				    HISI_GET_EVENTID(event));  in hisi_uncore_pmu_enable_event()
202 static void hisi_uncore_pmu_disable_event(struct perf_event *event)  in hisi_uncore_pmu_disable_event()  argument
204 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_disable_event()
205 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_disable_event()
211 void hisi_uncore_pmu_set_event_period(struct perf_event *event)  in hisi_uncore_pmu_set_event_period()  argument
213 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_set_event_period()
214 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_set_event_period()
226 	/* Write start value to the hardware event counter */  in hisi_uncore_pmu_set_event_period()
231 void hisi_uncore_pmu_event_update(struct perf_event *event)  in hisi_uncore_pmu_event_update()  argument
233 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_event_update()
234 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_event_update()
248 	local64_add(delta, &event->count);  in hisi_uncore_pmu_event_update()
252 void hisi_uncore_pmu_start(struct perf_event *event, int flags)  in hisi_uncore_pmu_start()  argument
254 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_start()
255 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_start()
262 	hisi_uncore_pmu_set_event_period(event);  in hisi_uncore_pmu_start()
270 	hisi_uncore_pmu_enable_event(event);  in hisi_uncore_pmu_start()
271 	perf_event_update_userpage(event);  in hisi_uncore_pmu_start()
275 void hisi_uncore_pmu_stop(struct perf_event *event, int flags)  in hisi_uncore_pmu_stop()  argument
277 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_stop()
279 	hisi_uncore_pmu_disable_event(event);  in hisi_uncore_pmu_stop()
287 	hisi_uncore_pmu_event_update(event);  in hisi_uncore_pmu_stop()
292 int hisi_uncore_pmu_add(struct perf_event *event, int flags)  in hisi_uncore_pmu_add()  argument
294 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_add()
295 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_add()
301 	idx = hisi_pmu->ops->get_event_idx(event);  in hisi_uncore_pmu_add()
305 	event->hw.idx = idx;  in hisi_uncore_pmu_add()
306 	hisi_pmu->pmu_events.hw_events[idx] = event;  in hisi_uncore_pmu_add()
309 		hisi_uncore_pmu_start(event, PERF_EF_RELOAD);  in hisi_uncore_pmu_add()
315 void hisi_uncore_pmu_del(struct perf_event *event, int flags)  in hisi_uncore_pmu_del()  argument
317 	struct hisi_pmu *hisi_pmu = to_hisi_pmu(event->pmu);  in hisi_uncore_pmu_del()
318 	struct hw_perf_event *hwc = &event->hw;  in hisi_uncore_pmu_del()
320 	hisi_uncore_pmu_stop(event, PERF_EF_UPDATE);  in hisi_uncore_pmu_del()
322 	perf_event_update_userpage(event);  in hisi_uncore_pmu_del()
327 void hisi_uncore_pmu_read(struct perf_event *event)  in hisi_uncore_pmu_read()  argument
330 	hisi_uncore_pmu_event_update(event);  in hisi_uncore_pmu_read()
428 	/* Use this CPU in cpumask for event counting */  in hisi_uncore_pmu_online_cpu()
463 	/* Use this CPU for event counting */  in hisi_uncore_pmu_offline_cpu()