23 	struct perf_event *event[MAX_HWEVENTS];  member
162 static void fsl_emb_pmu_read(struct perf_event *event)  in fsl_emb_pmu_read()  argument
166 	if (event->hw.state & PERF_HES_STOPPED)  in fsl_emb_pmu_read()
175 		prev = local64_read(&event->hw.prev_count);  in fsl_emb_pmu_read()
177 		val = read_pmc(event->hw.idx);  in fsl_emb_pmu_read()
178 	} while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev);  in fsl_emb_pmu_read()
182 	local64_add(delta, &event->count);  in fsl_emb_pmu_read()
183 	local64_sub(delta, &event->hw.period_left);  in fsl_emb_pmu_read()
255 	struct perf_event *event;  in collect_events()  local
263 	for_each_sibling_event(event, group) {  in collect_events()
264 		if (!is_software_event(event) &&  in collect_events()
265 		    event->state != PERF_EVENT_STATE_OFF) {  in collect_events()
268 			ctrs[n] = event;  in collect_events()
276 static int fsl_emb_pmu_add(struct perf_event *event, int flags)  in fsl_emb_pmu_add()  argument
284 	perf_pmu_disable(event->pmu);  in fsl_emb_pmu_add()
287 	if (event->hw.config & FSL_EMB_EVENT_RESTRICTED)  in fsl_emb_pmu_add()
295 		if (cpuhw->event[i])  in fsl_emb_pmu_add()
304 	event->hw.idx = i;  in fsl_emb_pmu_add()
305 	cpuhw->event[i] = event;  in fsl_emb_pmu_add()
309 	if (event->hw.sample_period) {  in fsl_emb_pmu_add()
310 		s64 left = local64_read(&event->hw.period_left);  in fsl_emb_pmu_add()
314 	local64_set(&event->hw.prev_count, val);  in fsl_emb_pmu_add()
317 		event->hw.state = PERF_HES_STOPPED | PERF_HES_UPTODATE;  in fsl_emb_pmu_add()
320 		event->hw.state &= ~(PERF_HES_STOPPED | PERF_HES_UPTODATE);  in fsl_emb_pmu_add()
324 	perf_event_update_userpage(event);  in fsl_emb_pmu_add()
326 	write_pmlcb(i, event->hw.config >> 32);  in fsl_emb_pmu_add()
327 	write_pmlca(i, event->hw.config_base);  in fsl_emb_pmu_add()
332 	perf_pmu_enable(event->pmu);  in fsl_emb_pmu_add()
337 static void fsl_emb_pmu_del(struct perf_event *event, int flags)  in fsl_emb_pmu_del()  argument
340 	int i = event->hw.idx;  in fsl_emb_pmu_del()
342 	perf_pmu_disable(event->pmu);  in fsl_emb_pmu_del()
346 	fsl_emb_pmu_read(event);  in fsl_emb_pmu_del()
350 	WARN_ON(event != cpuhw->event[event->hw.idx]);  in fsl_emb_pmu_del()
356 	cpuhw->event[i] = NULL;  in fsl_emb_pmu_del()
357 	event->hw.idx = -1;  in fsl_emb_pmu_del()
370 	perf_pmu_enable(event->pmu);  in fsl_emb_pmu_del()
374 static void fsl_emb_pmu_start(struct perf_event *event, int ef_flags)  in fsl_emb_pmu_start()  argument
380 	if (event->hw.idx < 0 || !event->hw.sample_period)  in fsl_emb_pmu_start()
383 	if (!(event->hw.state & PERF_HES_STOPPED))  in fsl_emb_pmu_start()
387 		WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE));  in fsl_emb_pmu_start()
390 	perf_pmu_disable(event->pmu);  in fsl_emb_pmu_start()
392 	event->hw.state = 0;  in fsl_emb_pmu_start()
393 	left = local64_read(&event->hw.period_left);  in fsl_emb_pmu_start()
397 	write_pmc(event->hw.idx, val);  in fsl_emb_pmu_start()
399 	perf_event_update_userpage(event);  in fsl_emb_pmu_start()
400 	perf_pmu_enable(event->pmu);  in fsl_emb_pmu_start()
404 static void fsl_emb_pmu_stop(struct perf_event *event, int ef_flags)  in fsl_emb_pmu_stop()  argument
408 	if (event->hw.idx < 0 || !event->hw.sample_period)  in fsl_emb_pmu_stop()
411 	if (event->hw.state & PERF_HES_STOPPED)  in fsl_emb_pmu_stop()
415 	perf_pmu_disable(event->pmu);  in fsl_emb_pmu_stop()
417 	fsl_emb_pmu_read(event);  in fsl_emb_pmu_stop()
418 	event->hw.state |= PERF_HES_STOPPED | PERF_HES_UPTODATE;  in fsl_emb_pmu_stop()
419 	write_pmc(event->hw.idx, 0);  in fsl_emb_pmu_stop()
421 	perf_event_update_userpage(event);  in fsl_emb_pmu_stop()
422 	perf_pmu_enable(event->pmu);  in fsl_emb_pmu_stop()
429 static void hw_perf_event_destroy(struct perf_event *event)  in hw_perf_event_destroy()  argument
469 static int fsl_emb_pmu_event_init(struct perf_event *event)  in fsl_emb_pmu_event_init()  argument
484 	switch (event->attr.type) {  in fsl_emb_pmu_event_init()
486 		ev = event->attr.config;  in fsl_emb_pmu_event_init()
493 		err = hw_perf_cache_event(event->attr.config, &ev);  in fsl_emb_pmu_event_init()
499 		ev = event->attr.config;  in fsl_emb_pmu_event_init()
506 	event->hw.config = ppmu->xlate_event(ev);  in fsl_emb_pmu_event_init()
507 	if (!(event->hw.config & FSL_EMB_EVENT_VALID))  in fsl_emb_pmu_event_init()
516 	if (event->group_leader != event) {  in fsl_emb_pmu_event_init()
517 		n = collect_events(event->group_leader,  in fsl_emb_pmu_event_init()
523 	if (event->hw.config & FSL_EMB_EVENT_RESTRICTED) {  in fsl_emb_pmu_event_init()
534 	event->hw.idx = -1;  in fsl_emb_pmu_event_init()
536 	event->hw.config_base = PMLCA_CE | PMLCA_FCM1 |  in fsl_emb_pmu_event_init()
539 	if (event->attr.exclude_user)  in fsl_emb_pmu_event_init()
540 		event->hw.config_base |= PMLCA_FCU;  in fsl_emb_pmu_event_init()
541 	if (event->attr.exclude_kernel)  in fsl_emb_pmu_event_init()
542 		event->hw.config_base |= PMLCA_FCS;  in fsl_emb_pmu_event_init()
543 	if (event->attr.exclude_idle)  in fsl_emb_pmu_event_init()
546 	event->hw.last_period = event->hw.sample_period;  in fsl_emb_pmu_event_init()
547 	local64_set(&event->hw.period_left, event->hw.last_period);  in fsl_emb_pmu_event_init()
568 	event->destroy = hw_perf_event_destroy;  in fsl_emb_pmu_event_init()
589 static void record_and_restart(struct perf_event *event, unsigned long val,  in record_and_restart()  argument
592 	u64 period = event->hw.sample_period;  in record_and_restart()
596 	if (event->hw.state & PERF_HES_STOPPED) {  in record_and_restart()
597 		write_pmc(event->hw.idx, 0);  in record_and_restart()
602 	prev = local64_read(&event->hw.prev_count);  in record_and_restart()
604 	local64_add(delta, &event->count);  in record_and_restart()
611 	left = local64_read(&event->hw.period_left) - delta;  in record_and_restart()
618 			event->hw.last_period = event->hw.sample_period;  in record_and_restart()
624 	write_pmc(event->hw.idx, val);  in record_and_restart()
625 	local64_set(&event->hw.prev_count, val);  in record_and_restart()
626 	local64_set(&event->hw.period_left, left);  in record_and_restart()
627 	perf_event_update_userpage(event);  in record_and_restart()
635 		perf_sample_data_init(&data, 0, event->hw.last_period);  in record_and_restart()
637 		if (perf_event_overflow(event, &data, regs))  in record_and_restart()
638 			fsl_emb_pmu_stop(event, 0);  in record_and_restart()
646 	struct perf_event *event;  in perf_event_interrupt()  local
650 		event = cpuhw->event[i];  in perf_event_interrupt()
654 			if (event) {  in perf_event_interrupt()
656 				record_and_restart(event, val, regs);  in perf_event_interrupt()