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,					\
200 static int perf_iommu_event_init(struct perf_event *event)  in perf_iommu_event_init()  argument
202 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_event_init()
207 	if (event->attr.type != event->pmu->type)  in perf_iommu_event_init()
215 	if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)  in perf_iommu_event_init()
219 	if (event->attr.exclude_user || event->attr.exclude_kernel ||  in perf_iommu_event_init()
220 	    event->attr.exclude_host || event->attr.exclude_guest)  in perf_iommu_event_init()
223 	if (event->cpu < 0)  in perf_iommu_event_init()
228 	if (event->pmu != &perf_iommu->pmu)  in perf_iommu_event_init()
232 		config = event->attr.config;  in perf_iommu_event_init()
233 		config1 = event->attr.config1;  in perf_iommu_event_init()
286 static void perf_iommu_disable_event(struct perf_event *event)  in perf_iommu_disable_event()  argument
290 	amd_iommu_pc_get_set_reg_val(_GET_DEVID(event),  in perf_iommu_disable_event()
291 			_GET_BANK(event), _GET_CNTR(event),  in perf_iommu_disable_event()
295 static void perf_iommu_start(struct perf_event *event, int flags)  in perf_iommu_start()  argument
297 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_start()
308 		amd_iommu_pc_get_set_reg_val(_GET_DEVID(event),  in perf_iommu_start()
309 				_GET_BANK(event), _GET_CNTR(event),  in perf_iommu_start()
313 	perf_iommu_enable_event(event);  in perf_iommu_start()
314 	perf_event_update_userpage(event);  in perf_iommu_start()
318 static void perf_iommu_read(struct perf_event *event)  in perf_iommu_read()  argument
323 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_read()
326 	amd_iommu_pc_get_set_reg_val(_GET_DEVID(event),  in perf_iommu_read()
327 				_GET_BANK(event), _GET_CNTR(event),  in perf_iommu_read()
341 	local64_add(delta, &event->count);  in perf_iommu_read()
345 static void perf_iommu_stop(struct perf_event *event, int flags)  in perf_iommu_stop()  argument
347 	struct hw_perf_event *hwc = &event->hw;  in perf_iommu_stop()
355 	perf_iommu_disable_event(event);  in perf_iommu_stop()
363 	perf_iommu_read(event);  in perf_iommu_stop()
367 static int perf_iommu_add(struct perf_event *event, int flags)  in perf_iommu_add()  argument
371 			container_of(event->pmu, struct perf_amd_iommu, pmu);  in perf_iommu_add()
374 	event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;  in perf_iommu_add()
379 		event->hw.extra_reg.reg = (u16)retval;  in perf_iommu_add()
384 		perf_iommu_start(event, PERF_EF_RELOAD);  in perf_iommu_add()
389 static void perf_iommu_del(struct perf_event *event, int flags)  in perf_iommu_del()  argument
392 			container_of(event->pmu, struct perf_amd_iommu, pmu);  in perf_iommu_del()
395 	perf_iommu_stop(event, PERF_EF_UPDATE);  in perf_iommu_del()
399 				     _GET_BANK(event),  in perf_iommu_del()
400 				     _GET_CNTR(event));  in perf_iommu_del()
402 	perf_event_update_userpage(event);  in perf_iommu_del()