84 	const char *event;  member
90 	struct amd_iommu_event_desc *event =  in _iommu_event_show()  local
92 	return sprintf(buf, "%s\n", event->event);  in _iommu_event_show()
98 	.event = _event,					\
197 static int perf_iommu_event_init(struct perf_event *event)  in perf_iommu_event_init()  argument
199 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_event_init()
204 	if (event->attr.type != event->pmu->type)  in perf_iommu_event_init()
212 	if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)  in perf_iommu_event_init()
216 	if (event->attr.exclude_user || event->attr.exclude_kernel ||  in perf_iommu_event_init()
217 	    event->attr.exclude_host || event->attr.exclude_guest)  in perf_iommu_event_init()
220 	if (event->cpu < 0)  in perf_iommu_event_init()
225 	if (event->pmu != &perf_iommu->pmu)  in perf_iommu_event_init()
229 		config = event->attr.config;  in perf_iommu_event_init()
230 		config1 = event->attr.config1;  in perf_iommu_event_init()
283 static void perf_iommu_disable_event(struct perf_event *event)  in perf_iommu_disable_event()  argument
287 	amd_iommu_pc_get_set_reg_val(_GET_DEVID(event),  in perf_iommu_disable_event()
288 			_GET_BANK(event), _GET_CNTR(event),  in perf_iommu_disable_event()
292 static void perf_iommu_start(struct perf_event *event, int flags)  in perf_iommu_start()  argument
294 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_start()
305 		amd_iommu_pc_get_set_reg_val(_GET_DEVID(event),  in perf_iommu_start()
306 				_GET_BANK(event), _GET_CNTR(event),  in perf_iommu_start()
310 	perf_iommu_enable_event(event);  in perf_iommu_start()
311 	perf_event_update_userpage(event);  in perf_iommu_start()
315 static void perf_iommu_read(struct perf_event *event)  in perf_iommu_read()  argument
320 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_read()
323 	amd_iommu_pc_get_set_reg_val(_GET_DEVID(event),  in perf_iommu_read()
324 				_GET_BANK(event), _GET_CNTR(event),  in perf_iommu_read()
338 	local64_add(delta, &event->count);  in perf_iommu_read()
342 static void perf_iommu_stop(struct perf_event *event, int flags)  in perf_iommu_stop()  argument
344 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_stop()
352 	perf_iommu_disable_event(event);  in perf_iommu_stop()
360 	perf_iommu_read(event);  in perf_iommu_stop()
364 static int perf_iommu_add(struct perf_event *event, int flags)  in perf_iommu_add()  argument
368 			container_of(event->pmu, struct perf_amd_iommu, pmu);  in perf_iommu_add()
371 	event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;  in perf_iommu_add()
376 		event->hw.extra_reg.reg = (u16)retval;  in perf_iommu_add()
381 		perf_iommu_start(event, PERF_EF_RELOAD);  in perf_iommu_add()
386 static void perf_iommu_del(struct perf_event *event, int flags)  in perf_iommu_del()  argument
389 			container_of(event->pmu, struct perf_amd_iommu, pmu);  in perf_iommu_del()
392 	perf_iommu_stop(event, PERF_EF_UPDATE);  in perf_iommu_del()
396 				     _GET_BANK(event),  in perf_iommu_del()
397 				     _GET_CNTR(event));  in perf_iommu_del()
399 	perf_event_update_userpage(event);  in perf_iommu_del()