1 // SPDX-License-Identifier: GPL-2.0-only
93  * - cpu hotplug: Read serialized by cpu hotplug lock
96  * - Other callsites: Must hold pkg_temp_lock
112 	ret = intel_tcc_get_temp(zonedev->cpu, &val, true);  in sys_get_curr_temp()
116 	*temp = val * 1000;  in sys_get_curr_temp()
126 	unsigned int trip_index = THERMAL_TRIP_PRIV_TO_INT(trip->priv);  in sys_set_trip_temp()
130 	tj_max = intel_tcc_get_tjmax(zonedev->cpu);  in sys_set_trip_temp()
133 	tj_max *= 1000;  in sys_set_trip_temp()
135 	val = (tj_max - temp)/1000;  in sys_set_trip_temp()
138 		return -EINVAL;  in sys_set_trip_temp()
140 	ret = rdmsr_on_cpu(zonedev->cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT,  in sys_set_trip_temp()
166 	return wrmsr_on_cpu(zonedev->cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT,  in sys_set_trip_temp()
225 	zonedev->work_scheduled = false;  in pkg_temp_thermal_threshold_work_fn()
228 	tzone = zonedev->tzone;  in pkg_temp_thermal_threshold_work_fn()
263 	if (zonedev && !zonedev->work_scheduled) {  in pkg_thermal_notify()
264 		zonedev->work_scheduled = true;  in pkg_thermal_notify()
265 		pkg_thermal_schedule_work(zonedev->cpu, &zonedev->work);  in pkg_thermal_notify()
297 			tj_max - thres_reg_value * 1000 : THERMAL_TEMP_INVALID;  in pkg_temp_thermal_trips_init()
314 	u32 eax, ebx, ecx, edx;  in pkg_temp_thermal_device_add()  local
320 		return -ENOMEM;  in pkg_temp_thermal_device_add()
322 	cpuid(6, &eax, &ebx, &ecx, &edx);  in pkg_temp_thermal_device_add()
325 		return -ENODEV;  in pkg_temp_thermal_device_add()
332 	tj_max *= 1000;  in pkg_temp_thermal_device_add()
336 		return -ENOMEM;  in pkg_temp_thermal_device_add()
342 	INIT_DELAYED_WORK(&zonedev->work, pkg_temp_thermal_threshold_work_fn);  in pkg_temp_thermal_device_add()
343 	zonedev->cpu = cpu;  in pkg_temp_thermal_device_add()
344 	zonedev->tzone = thermal_zone_device_register_with_trips("x86_pkg_temp",  in pkg_temp_thermal_device_add()
347 	if (IS_ERR(zonedev->tzone)) {  in pkg_temp_thermal_device_add()
348 		err = PTR_ERR(zonedev->tzone);  in pkg_temp_thermal_device_add()
351 	err = thermal_zone_device_enable(zonedev->tzone);  in pkg_temp_thermal_device_add()
356 	rdmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, zonedev->msr_pkg_therm_low,  in pkg_temp_thermal_device_add()
357 	      zonedev->msr_pkg_therm_high);  in pkg_temp_thermal_device_add()
359 	cpumask_set_cpu(cpu, &zonedev->cpumask);  in pkg_temp_thermal_device_add()
367 	thermal_zone_device_unregister(zonedev->tzone);  in pkg_temp_thermal_device_add()
382 	target = cpumask_any_but(&zonedev->cpumask, cpu);  in pkg_thermal_cpu_offline()
383 	cpumask_clear_cpu(cpu, &zonedev->cpumask);  in pkg_thermal_cpu_offline()
390 		struct thermal_zone_device *tzone = zonedev->tzone;  in pkg_thermal_cpu_offline()
399 		zonedev->tzone = NULL;  in pkg_thermal_cpu_offline()
413 	was_target = zonedev->cpu == cpu;  in pkg_thermal_cpu_offline()
414 	zonedev->cpu = target;  in pkg_thermal_cpu_offline()
426 		      zonedev->msr_pkg_therm_low, zonedev->msr_pkg_therm_high);  in pkg_thermal_cpu_offline()
433 	if (zonedev->work_scheduled && was_target) {  in pkg_thermal_cpu_offline()
439 		cancel_delayed_work_sync(&zonedev->work);  in pkg_thermal_cpu_offline()
447 		if (!lastcpu && zonedev->work_scheduled)  in pkg_thermal_cpu_offline()
448 			pkg_thermal_schedule_work(target, &zonedev->work);  in pkg_thermal_cpu_offline()
467 		return -ENODEV;  in pkg_thermal_cpu_online()
471 		cpumask_set_cpu(cpu, &zonedev->cpumask);  in pkg_thermal_cpu_online()
488 		return -ENODEV;  in pkg_temp_thermal_init()
494 		return -ENOMEM;  in pkg_temp_thermal_init()