55 	struct perf_event *event[XCHAL_NUM_PERF_COUNTERS];  member
139 static void xtensa_perf_event_update(struct perf_event *event,  in xtensa_perf_event_update()  argument
147 		new_raw_count = xtensa_pmu_read_counter(event->hw.idx);  in xtensa_perf_event_update()
153 	local64_add(delta, &event->count);  in xtensa_perf_event_update()
157 static bool xtensa_perf_event_set_period(struct perf_event *event,  in xtensa_perf_event_set_period()  argument
163 	if (!is_sampling_event(event)) {  in xtensa_perf_event_set_period()
186 	perf_event_update_userpage(event);  in xtensa_perf_event_set_period()
201 static int xtensa_pmu_event_init(struct perf_event *event)  in xtensa_pmu_event_init()  argument
205 	switch (event->attr.type) {  in xtensa_pmu_event_init()
207 		if (event->attr.config >= ARRAY_SIZE(xtensa_hw_ctl) ||  in xtensa_pmu_event_init()
208 		    xtensa_hw_ctl[event->attr.config] == 0)  in xtensa_pmu_event_init()
210 		event->hw.config = xtensa_hw_ctl[event->attr.config];  in xtensa_pmu_event_init()
214 		ret = xtensa_pmu_cache_event(event->attr.config);  in xtensa_pmu_event_init()
217 		event->hw.config = ret;  in xtensa_pmu_event_init()
222 		if ((event->attr.config & XTENSA_PMU_PMCTRL_SELECT) ==  in xtensa_pmu_event_init()
225 		event->hw.config = (event->attr.config &  in xtensa_pmu_event_init()
243 static void xtensa_pmu_start(struct perf_event *event, int flags)  in xtensa_pmu_start()  argument
245 	struct hw_perf_event *hwc = &event->hw;  in xtensa_pmu_start()
252 		WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE));  in xtensa_pmu_start()
253 		xtensa_perf_event_set_period(event, hwc, idx);  in xtensa_pmu_start()
261 static void xtensa_pmu_stop(struct perf_event *event, int flags)  in xtensa_pmu_stop()  argument
263 	struct hw_perf_event *hwc = &event->hw;  in xtensa_pmu_stop()
274 	    !(event->hw.state & PERF_HES_UPTODATE)) {  in xtensa_pmu_stop()
275 		xtensa_perf_event_update(event, &event->hw, idx);  in xtensa_pmu_stop()
276 		event->hw.state |= PERF_HES_UPTODATE;  in xtensa_pmu_stop()
284 static int xtensa_pmu_add(struct perf_event *event, int flags)  in xtensa_pmu_add()  argument
287 	struct hw_perf_event *hwc = &event->hw;  in xtensa_pmu_add()
299 	ev->event[idx] = event;  in xtensa_pmu_add()
304 		xtensa_pmu_start(event, PERF_EF_RELOAD);  in xtensa_pmu_add()
306 	perf_event_update_userpage(event);  in xtensa_pmu_add()
310 static void xtensa_pmu_del(struct perf_event *event, int flags)  in xtensa_pmu_del()  argument
314 	xtensa_pmu_stop(event, PERF_EF_UPDATE);  in xtensa_pmu_del()
315 	__clear_bit(event->hw.idx, ev->used_mask);  in xtensa_pmu_del()
316 	perf_event_update_userpage(event);  in xtensa_pmu_del()
319 static void xtensa_pmu_read(struct perf_event *event)  in xtensa_pmu_read()  argument
321 	xtensa_perf_event_update(event, &event->hw, event->hw.idx);  in xtensa_pmu_read()
372 		struct perf_event *event = ev->event[i];  in xtensa_pmu_irq_handler()  local
373 		struct hw_perf_event *hwc = &event->hw;  in xtensa_pmu_irq_handler()
380 		xtensa_perf_event_update(event, hwc, i);  in xtensa_pmu_irq_handler()
382 		if (xtensa_perf_event_set_period(event, hwc, i)) {  in xtensa_pmu_irq_handler()
387 			if (perf_event_overflow(event, &data, regs))  in xtensa_pmu_irq_handler()
388 				xtensa_pmu_stop(event, 0);  in xtensa_pmu_irq_handler()