60 	struct acpi_processor *pr;  member
68 static int acpi_processor_get_throttling(struct acpi_processor *pr);
69 int acpi_processor_set_throttling(struct acpi_processor *pr,
78 	struct acpi_processor *pr, *match_pr;  in acpi_processor_update_tsd_coord()  local
90 		pr = per_cpu(processors, i);  in acpi_processor_update_tsd_coord()
91 		if (!pr)  in acpi_processor_update_tsd_coord()
95 		pthrottling = &(pr->throttling);  in acpi_processor_update_tsd_coord()
111 		pr = per_cpu(processors, i);  in acpi_processor_update_tsd_coord()
112 		if (!pr)  in acpi_processor_update_tsd_coord()
117 		pthrottling = &pr->throttling;  in acpi_processor_update_tsd_coord()
192 		pr = per_cpu(processors, i);  in acpi_processor_update_tsd_coord()
193 		if (!pr)  in acpi_processor_update_tsd_coord()
201 			pthrottling = &(pr->throttling);  in acpi_processor_update_tsd_coord()
228 	struct acpi_processor *pr;  in acpi_processor_throttling_notifier()  local
235 	pr = per_cpu(processors, cpu);  in acpi_processor_throttling_notifier()
236 	if (!pr) {  in acpi_processor_throttling_notifier()
240 	if (!pr->flags.throttling) {  in acpi_processor_throttling_notifier()
246 	p_throttling = &(pr->throttling);  in acpi_processor_throttling_notifier()
253 		p_limit = &pr->limit;  in acpi_processor_throttling_notifier()
258 		if (pr->throttling_platform_limit > target_state)  in acpi_processor_throttling_notifier()
259 			target_state = pr->throttling_platform_limit;  in acpi_processor_throttling_notifier()
292 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)  in acpi_processor_get_platform_limit()  argument
297 	if (!pr)  in acpi_processor_get_platform_limit()
303 	status = acpi_evaluate_integer(pr->handle, "_TPC", NULL, &tpc);  in acpi_processor_get_platform_limit()
312 	pr->throttling_platform_limit = (int)tpc;  in acpi_processor_get_platform_limit()
316 int acpi_processor_tstate_has_changed(struct acpi_processor *pr)  in acpi_processor_tstate_has_changed()  argument
327 	result = acpi_processor_get_platform_limit(pr);  in acpi_processor_tstate_has_changed()
333 	throttling_limit = pr->throttling_platform_limit;  in acpi_processor_tstate_has_changed()
334 	if (throttling_limit >= pr->throttling.state_count) {  in acpi_processor_tstate_has_changed()
339 	current_state = pr->throttling.state;  in acpi_processor_tstate_has_changed()
348 		limit = &pr->limit;  in acpi_processor_tstate_has_changed()
369 	return acpi_processor_set_throttling(pr, target_state, false);  in acpi_processor_tstate_has_changed()
381 void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,  in acpi_processor_reevaluate_tstate()  argument
390 		pr->flags.throttling = 0;  in acpi_processor_reevaluate_tstate()
396 	if (!pr->throttling.state_count) {  in acpi_processor_reevaluate_tstate()
400 		pr->flags.throttling = 0;  in acpi_processor_reevaluate_tstate()
403 	pr->flags.throttling = 1;  in acpi_processor_reevaluate_tstate()
410 	result = acpi_processor_get_throttling(pr);  in acpi_processor_reevaluate_tstate()
414 	if (pr->throttling.state) {  in acpi_processor_reevaluate_tstate()
415 		result = acpi_processor_set_throttling(pr, 0, false);  in acpi_processor_reevaluate_tstate()
422 		pr->flags.throttling = 0;  in acpi_processor_reevaluate_tstate()
427 static int acpi_processor_get_throttling_control(struct acpi_processor *pr)  in acpi_processor_get_throttling_control()  argument
436 	status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer);  in acpi_processor_get_throttling_control()
466 	memcpy(&pr->throttling.control_register, obj.buffer.pointer,  in acpi_processor_get_throttling_control()
483 	memcpy(&pr->throttling.status_register, obj.buffer.pointer,  in acpi_processor_get_throttling_control()
486 	throttling = &pr->throttling;  in acpi_processor_get_throttling_control()
511 static int acpi_processor_get_throttling_states(struct acpi_processor *pr)  in acpi_processor_get_throttling_states()  argument
521 	status = acpi_evaluate_object(pr->handle, "_TSS", NULL, &buffer);  in acpi_processor_get_throttling_states()
539 	pr->throttling.state_count = tss->package.count;  in acpi_processor_get_throttling_states()
540 	pr->throttling.states_tss =  in acpi_processor_get_throttling_states()
543 	if (!pr->throttling.states_tss) {  in acpi_processor_get_throttling_states()
548 	for (i = 0; i < pr->throttling.state_count; i++) {  in acpi_processor_get_throttling_states()
551 		    (struct acpi_processor_tx_tss *)&(pr->throttling.  in acpi_processor_get_throttling_states()
564 			kfree(pr->throttling.states_tss);  in acpi_processor_get_throttling_states()
572 			kfree(pr->throttling.states_tss);  in acpi_processor_get_throttling_states()
586 static int acpi_processor_get_tsd(struct acpi_processor *pr)  in acpi_processor_get_tsd()  argument
597 	pthrottling = &pr->throttling;  in acpi_processor_get_tsd()
600 	status = acpi_evaluate_object(pr->handle, "_TSD", NULL, &buffer);  in acpi_processor_get_tsd()
621 	pdomain = &(pr->throttling.domain_info);  in acpi_processor_get_tsd()
646 	pthrottling = &pr->throttling;  in acpi_processor_get_tsd()
649 	cpumask_set_cpu(pr->id, pthrottling->shared_cpu_map);  in acpi_processor_get_tsd()
670 static int acpi_processor_get_throttling_fadt(struct acpi_processor *pr)  in acpi_processor_get_throttling_fadt()  argument
677 	if (!pr)  in acpi_processor_get_throttling_fadt()
680 	if (!pr->flags.throttling)  in acpi_processor_get_throttling_fadt()
683 	pr->throttling.state = 0;  in acpi_processor_get_throttling_fadt()
685 	duty_mask = pr->throttling.state_count - 1;  in acpi_processor_get_throttling_fadt()
687 	duty_mask <<= pr->throttling.duty_offset;  in acpi_processor_get_throttling_fadt()
691 	value = inl(pr->throttling.address);  in acpi_processor_get_throttling_fadt()
699 		duty_value >>= pr->throttling.duty_offset;  in acpi_processor_get_throttling_fadt()
702 			state = pr->throttling.state_count - duty_value;  in acpi_processor_get_throttling_fadt()
705 	pr->throttling.state = state;  in acpi_processor_get_throttling_fadt()
711 			  state, pr->throttling.states[state].performance));  in acpi_processor_get_throttling_fadt()
772 static int acpi_read_throttling_status(struct acpi_processor *pr,  in acpi_read_throttling_status()  argument
781 	throttling = &pr->throttling;  in acpi_read_throttling_status()
804 static int acpi_write_throttling_state(struct acpi_processor *pr,  in acpi_write_throttling_state()  argument
813 	throttling = &pr->throttling;  in acpi_write_throttling_state()
837 static int acpi_get_throttling_state(struct acpi_processor *pr,  in acpi_get_throttling_state()  argument
842 	for (i = 0; i < pr->throttling.state_count; i++) {  in acpi_get_throttling_state()
844 		    (struct acpi_processor_tx_tss *)&(pr->throttling.  in acpi_get_throttling_state()
852 static int acpi_get_throttling_value(struct acpi_processor *pr,  in acpi_get_throttling_value()  argument
857 	if (state >= 0 && state <= pr->throttling.state_count) {  in acpi_get_throttling_value()
859 		    (struct acpi_processor_tx_tss *)&(pr->throttling.  in acpi_get_throttling_value()
867 static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)  in acpi_processor_get_throttling_ptc()  argument
873 	if (!pr)  in acpi_processor_get_throttling_ptc()
876 	if (!pr->flags.throttling)  in acpi_processor_get_throttling_ptc()
879 	pr->throttling.state = 0;  in acpi_processor_get_throttling_ptc()
882 	ret = acpi_read_throttling_status(pr, &value);  in acpi_processor_get_throttling_ptc()
884 		state = acpi_get_throttling_state(pr, value);  in acpi_processor_get_throttling_ptc()
889 			ret = acpi_processor_set_throttling(pr, state, true);  in acpi_processor_get_throttling_ptc()
893 		pr->throttling.state = state;  in acpi_processor_get_throttling_ptc()
899 static int acpi_processor_get_throttling(struct acpi_processor *pr)  in acpi_processor_get_throttling()  argument
904 	if (!pr)  in acpi_processor_get_throttling()
907 	if (!pr->flags.throttling)  in acpi_processor_get_throttling()
918 	if (set_cpus_allowed_ptr(current, cpumask_of(pr->id))) {  in acpi_processor_get_throttling()
923 	ret = pr->throttling.acpi_processor_get_throttling(pr);  in acpi_processor_get_throttling()
931 static int acpi_processor_get_fadt_info(struct acpi_processor *pr)  in acpi_processor_get_fadt_info()  argument
935 	if (!pr->throttling.address) {  in acpi_processor_get_fadt_info()
938 	} else if (!pr->throttling.duty_width) {  in acpi_processor_get_fadt_info()
943 	else if ((pr->throttling.duty_offset + pr->throttling.duty_width) > 4) {  in acpi_processor_get_fadt_info()
948 	pr->throttling.state_count = 1 << acpi_gbl_FADT.duty_width;  in acpi_processor_get_fadt_info()
956 	step = (1000 / pr->throttling.state_count);  in acpi_processor_get_fadt_info()
958 	for (i = 0; i < pr->throttling.state_count; i++) {  in acpi_processor_get_fadt_info()
959 		pr->throttling.states[i].performance = 1000 - step * i;  in acpi_processor_get_fadt_info()
960 		pr->throttling.states[i].power = 1000 - step * i;  in acpi_processor_get_fadt_info()
965 static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,  in acpi_processor_set_throttling_fadt()  argument
972 	if (!pr)  in acpi_processor_set_throttling_fadt()
975 	if ((state < 0) || (state > (pr->throttling.state_count - 1)))  in acpi_processor_set_throttling_fadt()
978 	if (!pr->flags.throttling)  in acpi_processor_set_throttling_fadt()
981 	if (!force && (state == pr->throttling.state))  in acpi_processor_set_throttling_fadt()
984 	if (state < pr->throttling_platform_limit)  in acpi_processor_set_throttling_fadt()
990 		duty_value = pr->throttling.state_count - state;  in acpi_processor_set_throttling_fadt()
992 		duty_value <<= pr->throttling.duty_offset;  in acpi_processor_set_throttling_fadt()
995 		duty_mask = pr->throttling.state_count - 1;  in acpi_processor_set_throttling_fadt()
1007 	value = inl(pr->throttling.address);  in acpi_processor_set_throttling_fadt()
1010 		outl(value, pr->throttling.address);  in acpi_processor_set_throttling_fadt()
1020 		outl(value, pr->throttling.address);  in acpi_processor_set_throttling_fadt()
1023 		outl(value, pr->throttling.address);  in acpi_processor_set_throttling_fadt()
1026 	pr->throttling.state = state;  in acpi_processor_set_throttling_fadt()
1032 			  (pr->throttling.states[state].performance ? pr->  in acpi_processor_set_throttling_fadt()
1038 static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,  in acpi_processor_set_throttling_ptc()  argument
1044 	if (!pr)  in acpi_processor_set_throttling_ptc()
1047 	if ((state < 0) || (state > (pr->throttling.state_count - 1)))  in acpi_processor_set_throttling_ptc()
1050 	if (!pr->flags.throttling)  in acpi_processor_set_throttling_ptc()
1053 	if (!force && (state == pr->throttling.state))  in acpi_processor_set_throttling_ptc()
1056 	if (state < pr->throttling_platform_limit)  in acpi_processor_set_throttling_ptc()
1060 	ret = acpi_get_throttling_value(pr, state, &value);  in acpi_processor_set_throttling_ptc()
1062 		acpi_write_throttling_state(pr, value);  in acpi_processor_set_throttling_ptc()
1063 		pr->throttling.state = state;  in acpi_processor_set_throttling_ptc()
1072 	struct acpi_processor *pr = arg->pr;  in acpi_processor_throttling_fn()  local
1074 	return pr->throttling.acpi_processor_set_throttling(pr,  in acpi_processor_throttling_fn()
1078 int acpi_processor_set_throttling(struct acpi_processor *pr,  in acpi_processor_set_throttling()  argument
1088 	if (!pr)  in acpi_processor_set_throttling()
1091 	if (!pr->flags.throttling)  in acpi_processor_set_throttling()
1094 	if ((state < 0) || (state > (pr->throttling.state_count - 1)))  in acpi_processor_set_throttling()
1097 	if (cpu_is_offline(pr->id)) {  in acpi_processor_set_throttling()
1106 	p_throttling = &(pr->throttling);  in acpi_processor_set_throttling()
1125 		arg.pr = pr;  in acpi_processor_set_throttling()
1128 		ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, &arg);  in acpi_processor_set_throttling()
1158 			arg.pr = match_pr;  in acpi_processor_set_throttling()
1161 			ret = work_on_cpu(pr->id, acpi_processor_throttling_fn,  in acpi_processor_set_throttling()
1180 int acpi_processor_get_throttling_info(struct acpi_processor *pr)  in acpi_processor_get_throttling_info()  argument
1187 			  pr->throttling.address,  in acpi_processor_get_throttling_info()
1188 			  pr->throttling.duty_offset,  in acpi_processor_get_throttling_info()
1189 			  pr->throttling.duty_width));  in acpi_processor_get_throttling_info()
1195 	if (acpi_processor_get_throttling_control(pr) ||  in acpi_processor_get_throttling_info()
1196 		acpi_processor_get_throttling_states(pr) ||  in acpi_processor_get_throttling_info()
1197 		acpi_processor_get_platform_limit(pr))  in acpi_processor_get_throttling_info()
1199 		pr->throttling.acpi_processor_get_throttling =  in acpi_processor_get_throttling_info()
1201 		pr->throttling.acpi_processor_set_throttling =  in acpi_processor_get_throttling_info()
1203 		if (acpi_processor_get_fadt_info(pr))  in acpi_processor_get_throttling_info()
1206 		pr->throttling.acpi_processor_get_throttling =  in acpi_processor_get_throttling_info()
1208 		pr->throttling.acpi_processor_set_throttling =  in acpi_processor_get_throttling_info()
1216 	if (acpi_processor_get_tsd(pr)) {  in acpi_processor_get_throttling_info()
1217 		pthrottling = &pr->throttling;  in acpi_processor_get_throttling_info()
1219 		cpumask_set_cpu(pr->id, pthrottling->shared_cpu_map);  in acpi_processor_get_throttling_info()
1235 			  pr->throttling.state_count));  in acpi_processor_get_throttling_info()
1237 	pr->flags.throttling = 1;  in acpi_processor_get_throttling_info()
1245 	result = acpi_processor_get_throttling(pr);  in acpi_processor_get_throttling_info()
1249 	if (pr->throttling.state) {  in acpi_processor_get_throttling_info()
1252 				  pr->throttling.state));  in acpi_processor_get_throttling_info()
1253 		result = acpi_processor_set_throttling(pr, 0, false);  in acpi_processor_get_throttling_info()
1260 		pr->flags.throttling = 0;  in acpi_processor_get_throttling_info()