108 	int (*check_unit)(struct rapl_package *rp, int cpu);
110 	u64 (*compute_time_window)(struct rapl_package *rp, u64 val,
146 static void rapl_init_domains(struct rapl_package *rp);
155 static void package_power_limit_irq_save(struct rapl_package *rp);
201 	struct rapl_package *rp = rd->rp;  in release_zone()  local
208 		rp->domains = NULL;  in release_zone()
331 	struct rapl_package *rp;  in set_power_limit()  local
343 	rp = rd->rp;  in set_power_limit()
366 		package_power_limit_irq_save(rp);  in set_power_limit()
549 static void rapl_init_domains(struct rapl_package *rp)  in rapl_init_domains()  argument
553 	struct rapl_domain *rd = rp->domains;  in rapl_init_domains()
556 		unsigned int mask = rp->domain_map & (1 << i);  in rapl_init_domains()
561 		rd->rp = rp;  in rapl_init_domains()
563 		if (i == RAPL_DOMAIN_PLATFORM && rp->id > 0) {  in rapl_init_domains()
565 				topology_physical_package_id(rp->lead_cpu));  in rapl_init_domains()
578 		if (rp->priv->limits[i] >= 2) {  in rapl_init_domains()
584 		if (rp->priv->limits[i] == 3) {  in rapl_init_domains()
590 			rd->regs[j] = rp->priv->regs[i][j];  in rapl_init_domains()
618 	struct rapl_package *rp = rd->rp;  in rapl_unit_xlate()  local
623 		units = rp->power_unit;  in rapl_unit_xlate()
631 			units = rp->energy_unit;  in rapl_unit_xlate()
634 		return rapl_defaults->compute_time_window(rp, value, to_raw);  in rapl_unit_xlate()
750 	struct rapl_primitive_info *rp = &rpi[prim_fixed];  in rapl_read_data_raw()  local
754 	if (!rp->name || rp->flag & RAPL_PRIMITIVE_DUMMY)  in rapl_read_data_raw()
757 	ra.reg = rd->regs[rp->id];  in rapl_read_data_raw()
761 	cpu = rd->rp->lead_cpu;  in rapl_read_data_raw()
764 	if (prim == FW_LOCK && rd->rp->priv->limits[rd->id] == 2) {  in rapl_read_data_raw()
765 		rp->mask = POWER_HIGH_LOCK;  in rapl_read_data_raw()
766 		rp->shift = 63;  in rapl_read_data_raw()
769 	if (rp->flag & RAPL_PRIMITIVE_DERIVED) {  in rapl_read_data_raw()
774 	ra.mask = rp->mask;  in rapl_read_data_raw()
776 	if (rd->rp->priv->read_raw(cpu, &ra)) {  in rapl_read_data_raw()
781 	value = ra.value >> rp->shift;  in rapl_read_data_raw()
784 		*data = rapl_unit_xlate(rd, rp->unit, value, 0);  in rapl_read_data_raw()
797 	struct rapl_primitive_info *rp = &rpi[prim_fixed];  in rapl_write_data_raw()  local
803 	cpu = rd->rp->lead_cpu;  in rapl_write_data_raw()
804 	bits = rapl_unit_xlate(rd, rp->unit, value, 1);  in rapl_write_data_raw()
805 	bits <<= rp->shift;  in rapl_write_data_raw()
806 	bits &= rp->mask;  in rapl_write_data_raw()
810 	ra.reg = rd->regs[rp->id];  in rapl_write_data_raw()
811 	ra.mask = rp->mask;  in rapl_write_data_raw()
814 	ret = rd->rp->priv->write_raw(cpu, &ra);  in rapl_write_data_raw()
830 static int rapl_check_unit_core(struct rapl_package *rp, int cpu)  in rapl_check_unit_core()  argument
835 	ra.reg = rp->priv->reg_unit;  in rapl_check_unit_core()
837 	if (rp->priv->read_raw(cpu, &ra)) {  in rapl_check_unit_core()
839 		       rp->priv->reg_unit, cpu);  in rapl_check_unit_core()
844 	rp->energy_unit = ENERGY_UNIT_SCALE * 1000000 / (1 << value);  in rapl_check_unit_core()
847 	rp->power_unit = 1000000 / (1 << value);  in rapl_check_unit_core()
850 	rp->time_unit = 1000000 / (1 << value);  in rapl_check_unit_core()
853 		 rp->name, rp->energy_unit, rp->time_unit, rp->power_unit);  in rapl_check_unit_core()
858 static int rapl_check_unit_atom(struct rapl_package *rp, int cpu)  in rapl_check_unit_atom()  argument
863 	ra.reg = rp->priv->reg_unit;  in rapl_check_unit_atom()
865 	if (rp->priv->read_raw(cpu, &ra)) {  in rapl_check_unit_atom()
867 		       rp->priv->reg_unit, cpu);  in rapl_check_unit_atom()
872 	rp->energy_unit = ENERGY_UNIT_SCALE * 1 << value;  in rapl_check_unit_atom()
875 	rp->power_unit = (1 << value) * 1000;  in rapl_check_unit_atom()
878 	rp->time_unit = 1000000 / (1 << value);  in rapl_check_unit_atom()
881 		 rp->name, rp->energy_unit, rp->time_unit, rp->power_unit);  in rapl_check_unit_atom()
889 	struct rapl_package *rp = (struct rapl_package *)info;  in power_limit_irq_save_cpu()  local
893 	if (!(rp->power_limit_irq & PACKAGE_PLN_INT_SAVED)) {  in power_limit_irq_save_cpu()
894 		rp->power_limit_irq = l & PACKAGE_THERM_INT_PLN_ENABLE;  in power_limit_irq_save_cpu()
895 		rp->power_limit_irq |= PACKAGE_PLN_INT_SAVED;  in power_limit_irq_save_cpu()
911 static void package_power_limit_irq_save(struct rapl_package *rp)  in package_power_limit_irq_save()  argument
916 	smp_call_function_single(rp->lead_cpu, power_limit_irq_save_cpu, rp, 1);  in package_power_limit_irq_save()
923 static void package_power_limit_irq_restore(struct rapl_package *rp)  in package_power_limit_irq_restore()  argument
931 	if (!(rp->power_limit_irq & PACKAGE_PLN_INT_SAVED))  in package_power_limit_irq_restore()
936 	if (rp->power_limit_irq & PACKAGE_THERM_INT_PLN_ENABLE)  in package_power_limit_irq_restore()
983 static u64 rapl_compute_time_window_core(struct rapl_package *rp, u64 value,  in rapl_compute_time_window_core()  argument
995 		value = (1 << y) * (4 + f) * rp->time_unit / 4;  in rapl_compute_time_window_core()
997 		if (value < rp->time_unit)  in rapl_compute_time_window_core()
1000 		do_div(value, rp->time_unit);  in rapl_compute_time_window_core()
1008 static u64 rapl_compute_time_window_atom(struct rapl_package *rp, u64 value,  in rapl_compute_time_window_atom()  argument
1016 		return (value) ? value * rp->time_unit : rp->time_unit;  in rapl_compute_time_window_atom()
1018 	value = div64_u64(value, rp->time_unit);  in rapl_compute_time_window_atom()
1141 static void rapl_update_domain_data(struct rapl_package *rp)  in rapl_update_domain_data()  argument
1146 	for (dmn = 0; dmn < rp->nr_domains; dmn++) {  in rapl_update_domain_data()
1147 		pr_debug("update %s domain %s data\n", rp->name,  in rapl_update_domain_data()
1148 			 rp->domains[dmn].name);  in rapl_update_domain_data()
1151 			if (!rapl_read_data_raw(&rp->domains[dmn], prim,  in rapl_update_domain_data()
1153 				rp->domains[dmn].rdd.primitives[prim] = val;  in rapl_update_domain_data()
1159 static int rapl_package_register_powercap(struct rapl_package *rp)  in rapl_package_register_powercap()  argument
1166 	rapl_update_domain_data(rp);  in rapl_package_register_powercap()
1169 	for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) {  in rapl_package_register_powercap()
1172 			pr_debug("register package domain %s\n", rp->name);  in rapl_package_register_powercap()
1174 					    rp->priv->control_type, rp->name,  in rapl_package_register_powercap()
1179 					 rp->name);  in rapl_package_register_powercap()
1183 			rp->power_zone = power_zone;  in rapl_package_register_powercap()
1193 	for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) {  in rapl_package_register_powercap()
1194 		struct powercap_zone *parent = rp->power_zone;  in rapl_package_register_powercap()
1203 						    rp->priv->control_type,  in rapl_package_register_powercap()
1210 				 rp->name, rd->name);  in rapl_package_register_powercap()
1222 	while (--rd >= rp->domains) {  in rapl_package_register_powercap()
1223 		pr_debug("unregister %s domain %s\n", rp->name, rd->name);  in rapl_package_register_powercap()
1224 		powercap_unregister_zone(rp->priv->control_type,  in rapl_package_register_powercap()
1231 static int rapl_check_domain(int cpu, int domain, struct rapl_package *rp)  in rapl_check_domain()  argument
1241 		ra.reg = rp->priv->regs[domain][RAPL_DOMAIN_REG_STATUS];  in rapl_check_domain()
1252 	if (rp->priv->read_raw(cpu, &ra) || !ra.value)  in rapl_check_domain()
1276 				rd->rp->name, rd->name);  in rapl_detect_powerlimit()
1292 static int rapl_detect_domains(struct rapl_package *rp, int cpu)  in rapl_detect_domains()  argument
1299 		if (!rapl_check_domain(cpu, i, rp)) {  in rapl_detect_domains()
1300 			rp->domain_map |= 1 << i;  in rapl_detect_domains()
1304 	rp->nr_domains = bitmap_weight(&rp->domain_map, RAPL_DOMAIN_MAX);  in rapl_detect_domains()
1305 	if (!rp->nr_domains) {  in rapl_detect_domains()
1306 		pr_debug("no valid rapl domains found in %s\n", rp->name);  in rapl_detect_domains()
1309 	pr_debug("found %d domains on %s\n", rp->nr_domains, rp->name);  in rapl_detect_domains()
1311 	rp->domains = kcalloc(rp->nr_domains + 1, sizeof(struct rapl_domain),  in rapl_detect_domains()
1313 	if (!rp->domains)  in rapl_detect_domains()
1316 	rapl_init_domains(rp);  in rapl_detect_domains()
1318 	for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++)  in rapl_detect_domains()
1325 void rapl_remove_package(struct rapl_package *rp)  in rapl_remove_package()  argument
1329 	package_power_limit_irq_restore(rp);  in rapl_remove_package()
1331 	for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) {  in rapl_remove_package()
1344 			 rp->name, rd->name);  in rapl_remove_package()
1345 		powercap_unregister_zone(rp->priv->control_type,  in rapl_remove_package()
1349 	powercap_unregister_zone(rp->priv->control_type,  in rapl_remove_package()
1351 	list_del(&rp->plist);  in rapl_remove_package()
1352 	kfree(rp);  in rapl_remove_package()
1360 	struct rapl_package *rp;  in rapl_find_package_domain()  local
1362 	list_for_each_entry(rp, &rapl_packages, plist) {  in rapl_find_package_domain()
1363 		if (rp->id == id  in rapl_find_package_domain()
1364 		    && rp->priv->control_type == priv->control_type)  in rapl_find_package_domain()
1365 			return rp;  in rapl_find_package_domain()
1376 	struct rapl_package *rp;  in rapl_add_package()  local
1382 	rp = kzalloc(sizeof(struct rapl_package), GFP_KERNEL);  in rapl_add_package()
1383 	if (!rp)  in rapl_add_package()
1387 	rp->id = id;  in rapl_add_package()
1388 	rp->lead_cpu = cpu;  in rapl_add_package()
1389 	rp->priv = priv;  in rapl_add_package()
1392 		snprintf(rp->name, PACKAGE_DOMAIN_NAME_LENGTH,  in rapl_add_package()
1396 		snprintf(rp->name, PACKAGE_DOMAIN_NAME_LENGTH, "package-%d",  in rapl_add_package()
1400 	if (rapl_detect_domains(rp, cpu) || rapl_defaults->check_unit(rp, cpu)) {  in rapl_add_package()
1404 	ret = rapl_package_register_powercap(rp);  in rapl_add_package()
1406 		INIT_LIST_HEAD(&rp->plist);  in rapl_add_package()
1407 		list_add(&rp->plist, &rapl_packages);  in rapl_add_package()
1408 		return rp;  in rapl_add_package()
1412 	kfree(rp->domains);  in rapl_add_package()
1413 	kfree(rp);  in rapl_add_package()
1420 	struct rapl_package *rp;  in power_limit_state_save()  local
1425 	list_for_each_entry(rp, &rapl_packages, plist) {  in power_limit_state_save()
1426 		if (!rp->power_zone)  in power_limit_state_save()
1428 		rd = power_zone_to_rapl_domain(rp->power_zone);  in power_limit_state_save()
1461 	struct rapl_package *rp;  in power_limit_state_restore()  local
1466 	list_for_each_entry(rp, &rapl_packages, plist) {  in power_limit_state_restore()
1467 		if (!rp->power_zone)  in power_limit_state_restore()
1469 		rd = power_zone_to_rapl_domain(rp->power_zone);  in power_limit_state_restore()