52 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)  in acpi_processor_get_platform_limit()  argument
58 	if (!pr)  in acpi_processor_get_platform_limit()
65 	status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc);  in acpi_processor_get_platform_limit()
70 			acpi_evaluation_failure_warn(pr->handle, "_PPC", status);  in acpi_processor_get_platform_limit()
75 	pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,  in acpi_processor_get_platform_limit()
78 	pr->performance_platform_limit = (int)ppc;  in acpi_processor_get_platform_limit()
80 	if (ppc >= pr->performance->state_count ||  in acpi_processor_get_platform_limit()
81 	    unlikely(!freq_qos_request_active(&pr->perflib_req)))  in acpi_processor_get_platform_limit()
84 	ret = freq_qos_update_request(&pr->perflib_req,  in acpi_processor_get_platform_limit()
85 			pr->performance->states[ppc].core_frequency * 1000);  in acpi_processor_get_platform_limit()
88 			pr->id, ret);  in acpi_processor_get_platform_limit()
109 void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)  in acpi_processor_ppc_has_changed()  argument
113 	if (ignore_ppc || !pr->performance) {  in acpi_processor_ppc_has_changed()
119 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
123 	ret = acpi_processor_get_platform_limit(pr);  in acpi_processor_ppc_has_changed()
130 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
132 			acpi_processor_ppc_ost(pr->handle, 0);  in acpi_processor_ppc_has_changed()
135 		cpufreq_update_limits(pr->id);  in acpi_processor_ppc_has_changed()
140 	struct acpi_processor *pr;  in acpi_processor_get_bios_limit()  local
142 	pr = per_cpu(processors, cpu);  in acpi_processor_get_bios_limit()
143 	if (!pr || !pr->performance || !pr->performance->state_count)  in acpi_processor_get_bios_limit()
145 	*limit = pr->performance->states[pr->performance_platform_limit].  in acpi_processor_get_bios_limit()
162 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_init()  local
165 		if (!pr)  in acpi_processor_ppc_init()
169 					   &pr->perflib_req,  in acpi_processor_ppc_init()
182 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_exit()  local
184 		if (pr)  in acpi_processor_ppc_exit()
185 			freq_qos_remove_request(&pr->perflib_req);  in acpi_processor_ppc_exit()
189 static int acpi_processor_get_performance_control(struct acpi_processor *pr)  in acpi_processor_get_performance_control()  argument
197 	status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);  in acpi_processor_get_performance_control()
199 		acpi_evaluation_failure_warn(pr->handle, "_PCT", status);  in acpi_processor_get_performance_control()
224 	memcpy(&pr->performance->control_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
241 	memcpy(&pr->performance->status_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
285 static int acpi_processor_get_performance_states(struct acpi_processor *pr)  in acpi_processor_get_performance_states()  argument
296 	status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);  in acpi_processor_get_performance_states()
298 		acpi_evaluation_failure_warn(pr->handle, "_PSS", status);  in acpi_processor_get_performance_states()
309 	acpi_handle_debug(pr->handle, "Found %d performance states\n",  in acpi_processor_get_performance_states()
312 	pr->performance->state_count = pss->package.count;  in acpi_processor_get_performance_states()
313 	pr->performance->states =  in acpi_processor_get_performance_states()
317 	if (!pr->performance->states) {  in acpi_processor_get_performance_states()
322 	for (i = 0; i < pr->performance->state_count; i++) {  in acpi_processor_get_performance_states()
324 		struct acpi_processor_px *px = &(pr->performance->states[i]);  in acpi_processor_get_performance_states()
329 		acpi_handle_debug(pr->handle, "Extracting state %d\n", i);  in acpi_processor_get_performance_states()
334 			acpi_handle_warn(pr->handle, "Invalid _PSS data: %s\n",  in acpi_processor_get_performance_states()
337 			kfree(pr->performance->states);  in acpi_processor_get_performance_states()
343 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_states()
360 			       pr->id, px->core_frequency);  in acpi_processor_get_performance_states()
368 				memcpy(&(pr->performance->states[last_invalid]),  in acpi_processor_get_performance_states()
377 			   "No valid BIOS _PSS frequency found for processor %d\n", pr->id);  in acpi_processor_get_performance_states()
379 		kfree(pr->performance->states);  in acpi_processor_get_performance_states()
380 		pr->performance->states = NULL;  in acpi_processor_get_performance_states()
384 		pr->performance->state_count = last_invalid;  in acpi_processor_get_performance_states()
392 int acpi_processor_get_performance_info(struct acpi_processor *pr)  in acpi_processor_get_performance_info()  argument
396 	if (!pr || !pr->performance || !pr->handle)  in acpi_processor_get_performance_info()
399 	if (!acpi_has_method(pr->handle, "_PCT")) {  in acpi_processor_get_performance_info()
400 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_info()
405 	result = acpi_processor_get_performance_control(pr);  in acpi_processor_get_performance_info()
409 	result = acpi_processor_get_performance_states(pr);  in acpi_processor_get_performance_info()
415 		result = acpi_processor_get_platform_limit(pr);  in acpi_processor_get_performance_info()
425 	if (acpi_has_method(pr->handle, "_PPC")) {  in acpi_processor_get_performance_info()
575 	struct acpi_processor *pr;  in acpi_processor_preregister_performance()  local
587 	 * changing pr->performance if it has. Check input data as well.  in acpi_processor_preregister_performance()
590 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
591 		if (!pr) {  in acpi_processor_preregister_performance()
596 		if (pr->performance) {  in acpi_processor_preregister_performance()
609 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
610 		if (!pr)  in acpi_processor_preregister_performance()
613 		pr->performance = per_cpu_ptr(performance, i);  in acpi_processor_preregister_performance()
614 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
615 		if (acpi_processor_get_psd(pr->handle, pdomain)) {  in acpi_processor_preregister_performance()
628 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
629 		if (!pr)  in acpi_processor_preregister_performance()
635 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
636 		cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
644 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;  in acpi_processor_preregister_performance()
646 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW;  in acpi_processor_preregister_performance()
648 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;  in acpi_processor_preregister_performance()
675 			cpumask_set_cpu(j, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
691 					pr->performance->shared_type;  in acpi_processor_preregister_performance()
693 				     pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
699 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
700 		if (!pr || !pr->performance)  in acpi_processor_preregister_performance()
705 			cpumask_clear(pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
706 			cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
707 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_NONE;  in acpi_processor_preregister_performance()
709 		pr->performance = NULL; /* Will be set for real in register */  in acpi_processor_preregister_performance()
723 	struct acpi_processor *pr;  in acpi_processor_register_performance()  local
730 	pr = per_cpu(processors, cpu);  in acpi_processor_register_performance()
731 	if (!pr) {  in acpi_processor_register_performance()
736 	if (pr->performance) {  in acpi_processor_register_performance()
743 	pr->performance = performance;  in acpi_processor_register_performance()
745 	if (acpi_processor_get_performance_info(pr)) {  in acpi_processor_register_performance()
746 		pr->performance = NULL;  in acpi_processor_register_performance()
759 	struct acpi_processor *pr;  in acpi_processor_unregister_performance()  local
763 	pr = per_cpu(processors, cpu);  in acpi_processor_unregister_performance()
764 	if (!pr) {  in acpi_processor_unregister_performance()
769 	if (pr->performance)  in acpi_processor_unregister_performance()
770 		kfree(pr->performance->states);  in acpi_processor_unregister_performance()
771 	pr->performance = NULL;  in acpi_processor_unregister_performance()