Lines Matching +full:y +full:- +full:rp
1 // SPDX-License-Identifier: GPL-2.0-only
27 #include <asm/intel-family.h>
102 #define NR_RAW_PRIMITIVES (NR_RAPL_PRIMITIVES - 2)
126 return rd->rpl[pl].name ? true : false; in is_pl_valid()
131 if (rd->rp->priv->type == RAPL_IF_TPMI) { in get_pl_lock_prim()
142 return -EINVAL; in get_pl_lock_prim()
148 if (rd->rp->priv->limits[rd->id] & BIT(POWER_LIMIT2)) in get_pl_lock_prim()
159 if (prim == PL_CLAMP && rd->rp->priv->type != RAPL_IF_TPMI) in get_pl_prim()
169 return -EINVAL; in get_pl_prim()
173 if (prim == PL_CLAMP && rd->rp->priv->type != RAPL_IF_TPMI) in get_pl_prim()
183 return -EINVAL; in get_pl_prim()
194 return -EINVAL; in get_pl_prim()
196 return -EINVAL; in get_pl_prim()
216 static struct rapl_defaults *get_defaults(struct rapl_package *rp) in get_defaults() argument
218 return rp->priv->defaults; in get_defaults()
249 static void rapl_init_domains(struct rapl_package *rp);
264 static void package_power_limit_irq_save(struct rapl_package *rp);
296 return -EIO; in get_energy_counter()
310 struct rapl_package *rp = rd->rp; in release_zone() local
315 if (rd->id == RAPL_DOMAIN_PACKAGE) { in release_zone()
317 rp->domains = NULL; in release_zone()
339 struct rapl_defaults *defaults = get_defaults(rd->rp); in set_domain_enable()
344 if (!ret && defaults->set_floor_freq) in set_domain_enable()
345 defaults->set_floor_freq(rd, mode); in set_domain_enable()
357 if (rd->rpl[POWER_LIMIT1].locked) { in get_domain_enable()
416 * index in that some PLs maybe missing due to non-existent MSRs. So we
431 return -EINVAL; in contraint_to_pl()
438 struct rapl_package *rp; in set_power_limit() local
445 rp = rd->rp; in set_power_limit()
449 package_power_limit_irq_save(rp); in set_power_limit()
522 return rd->rpl[id].name; in get_constraint_name()
561 static int get_rid(struct rapl_package *rp) in get_rid() argument
563 return rp->lead_cpu >= 0 ? rp->lead_cpu : rp->id; in get_rid()
567 static void rapl_init_domains(struct rapl_package *rp) in rapl_init_domains() argument
571 struct rapl_domain *rd = rp->domains; in rapl_init_domains()
574 unsigned int mask = rp->domain_map & (1 << i); in rapl_init_domains()
580 rd->rp = rp; in rapl_init_domains()
582 if (i == RAPL_DOMAIN_PLATFORM && rp->id > 0) { in rapl_init_domains()
583 snprintf(rd->name, RAPL_DOMAIN_NAME_LENGTH, "psys-%d", in rapl_init_domains()
584 rp->lead_cpu >= 0 ? topology_physical_package_id(rp->lead_cpu) : in rapl_init_domains()
585 rp->id); in rapl_init_domains()
587 snprintf(rd->name, RAPL_DOMAIN_NAME_LENGTH, "%s", in rapl_init_domains()
591 rd->id = i; in rapl_init_domains()
594 rp->priv->limits[i] |= BIT(POWER_LIMIT1); in rapl_init_domains()
597 if (rp->priv->limits[i] & BIT(t)) in rapl_init_domains()
598 rd->rpl[t].name = pl_names[t]; in rapl_init_domains()
602 rd->regs[j] = rp->priv->regs[i][j]; in rapl_init_domains()
612 struct rapl_defaults *defaults = get_defaults(rd->rp); in rapl_unit_xlate()
617 units = rd->power_unit; in rapl_unit_xlate()
621 units = rd->energy_unit; in rapl_unit_xlate()
624 return defaults->compute_time_window(rd, value, to_raw); in rapl_unit_xlate()
689 /* non-hardware */
731 /* non-hardware */
736 static struct rapl_primitive_info *get_rpi(struct rapl_package *rp, int prim) in get_rpi() argument
738 struct rapl_primitive_info *rpi = rp->priv->rpi; in get_rpi()
746 static int rapl_config(struct rapl_package *rp) in rapl_config() argument
748 switch (rp->priv->type) { in rapl_config()
752 rp->priv->defaults = (void *)defaults_msr; in rapl_config()
753 rp->priv->rpi = (void *)rpi_msr; in rapl_config()
756 rp->priv->defaults = (void *)&defaults_tpmi; in rapl_config()
757 rp->priv->rpi = (void *)rpi_tpmi; in rapl_config()
760 return -EINVAL; in rapl_config()
768 struct rapl_defaults *defaults = get_defaults(rd->rp); in prim_fixups()
770 if (!defaults->spr_psys_bits) in prim_fixups()
773 if (rd->id != RAPL_DOMAIN_PLATFORM) in prim_fixups()
797 * RAPL MSRs are non-architectual and are laid out not consistently across
801 * is pre-assigned based on RAPL unit MSRs read at init time.
802 * 63-------------------------- 31--------------------------- 0
804 * | |<- shift ----------------|
805 * 63-------------------------- 31--------------------------- 0
812 struct rapl_primitive_info *rpi = get_rpi(rd->rp, prim_fixed); in rapl_read_data_raw()
815 if (!rpi || !rpi->name || rpi->flag & RAPL_PRIMITIVE_DUMMY) in rapl_read_data_raw()
816 return -EINVAL; in rapl_read_data_raw()
818 ra.reg = rd->regs[rpi->id]; in rapl_read_data_raw()
820 return -EINVAL; in rapl_read_data_raw()
822 /* non-hardware data are collected by the polling thread */ in rapl_read_data_raw()
823 if (rpi->flag & RAPL_PRIMITIVE_DERIVED) { in rapl_read_data_raw()
824 *data = rd->rdd.primitives[prim]; in rapl_read_data_raw()
828 ra.mask = rpi->mask; in rapl_read_data_raw()
830 if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra)) { in rapl_read_data_raw()
831 pr_debug("failed to read reg 0x%llx for %s:%s\n", ra.reg.val, rd->rp->name, rd->name); in rapl_read_data_raw()
832 return -EIO; in rapl_read_data_raw()
835 value = ra.value >> rpi->shift; in rapl_read_data_raw()
838 *data = rapl_unit_xlate(rd, rpi->unit, value, 0); in rapl_read_data_raw()
851 struct rapl_primitive_info *rpi = get_rpi(rd->rp, prim_fixed); in rapl_write_data_raw()
856 if (!rpi || !rpi->name || rpi->flag & RAPL_PRIMITIVE_DUMMY) in rapl_write_data_raw()
857 return -EINVAL; in rapl_write_data_raw()
859 bits = rapl_unit_xlate(rd, rpi->unit, value, 1); in rapl_write_data_raw()
860 bits <<= rpi->shift; in rapl_write_data_raw()
861 bits &= rpi->mask; in rapl_write_data_raw()
865 ra.reg = rd->regs[rpi->id]; in rapl_write_data_raw()
866 ra.mask = rpi->mask; in rapl_write_data_raw()
869 ret = rd->rp->priv->write_raw(get_rid(rd->rp), &ra); in rapl_write_data_raw()
880 return -EINVAL; in rapl_read_pl_data()
892 return -EINVAL; in rapl_write_pl_data()
894 if (rd->rpl[pl].locked) { in rapl_write_pl_data()
895 pr_debug("%s:%s:%s locked by BIOS\n", rd->rp->name, rd->name, pl_names[pl]); in rapl_write_pl_data()
896 return -EACCES; in rapl_write_pl_data()
917 ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT]; in rapl_check_unit_core()
919 if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra)) { in rapl_check_unit_core()
921 ra.reg.val, rd->rp->name, rd->name); in rapl_check_unit_core()
922 return -ENODEV; in rapl_check_unit_core()
926 rd->energy_unit = ENERGY_UNIT_SCALE * 1000000 / (1 << value); in rapl_check_unit_core()
929 rd->power_unit = 1000000 / (1 << value); in rapl_check_unit_core()
932 rd->time_unit = 1000000 / (1 << value); in rapl_check_unit_core()
935 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit); in rapl_check_unit_core()
945 ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT]; in rapl_check_unit_atom()
947 if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra)) { in rapl_check_unit_atom()
949 ra.reg.val, rd->rp->name, rd->name); in rapl_check_unit_atom()
950 return -ENODEV; in rapl_check_unit_atom()
954 rd->energy_unit = ENERGY_UNIT_SCALE * 1 << value; in rapl_check_unit_atom()
957 rd->power_unit = (1 << value) * 1000; in rapl_check_unit_atom()
960 rd->time_unit = 1000000 / (1 << value); in rapl_check_unit_atom()
963 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit); in rapl_check_unit_atom()
971 struct rapl_package *rp = (struct rapl_package *)info; in power_limit_irq_save_cpu() local
975 if (!(rp->power_limit_irq & PACKAGE_PLN_INT_SAVED)) { in power_limit_irq_save_cpu()
976 rp->power_limit_irq = l & PACKAGE_THERM_INT_PLN_ENABLE; in power_limit_irq_save_cpu()
977 rp->power_limit_irq |= PACKAGE_PLN_INT_SAVED; in power_limit_irq_save_cpu()
993 static void package_power_limit_irq_save(struct rapl_package *rp) in package_power_limit_irq_save() argument
995 if (rp->lead_cpu < 0) in package_power_limit_irq_save()
1001 smp_call_function_single(rp->lead_cpu, power_limit_irq_save_cpu, rp, 1); in package_power_limit_irq_save()
1008 static void package_power_limit_irq_restore(struct rapl_package *rp) in package_power_limit_irq_restore() argument
1012 if (rp->lead_cpu < 0) in package_power_limit_irq_restore()
1019 if (!(rp->power_limit_irq & PACKAGE_PLN_INT_SAVED)) in package_power_limit_irq_restore()
1024 if (rp->power_limit_irq & PACKAGE_THERM_INT_PLN_ENABLE) in package_power_limit_irq_restore()
1036 /* always enable clamp such that p-state can go below OS requested in set_floor_freq_default()
1050 struct rapl_defaults *defaults = get_defaults(rd->rp); in set_floor_freq_atom()
1053 if (!defaults->floor_freq_reg_addr) { in set_floor_freq_atom()
1060 defaults->floor_freq_reg_addr, in set_floor_freq_atom()
1068 defaults->floor_freq_reg_addr, mdata); in set_floor_freq_atom()
1074 u64 f, y; /* fraction and exp. used for time unit */ in rapl_compute_time_window_core() local
1077 * Special processing based on 2^Y*(1+F/4), refer in rapl_compute_time_window_core()
1082 y = value & 0x1f; in rapl_compute_time_window_core()
1083 value = (1 << y) * (4 + f) * rd->time_unit / 4; in rapl_compute_time_window_core()
1085 if (value < rd->time_unit) in rapl_compute_time_window_core()
1088 do_div(value, rd->time_unit); in rapl_compute_time_window_core()
1089 y = ilog2(value); in rapl_compute_time_window_core()
1095 if (y > 0x1f) in rapl_compute_time_window_core()
1098 f = div64_u64(4 * (value - (1ULL << y)), 1ULL << y); in rapl_compute_time_window_core()
1099 value = (y & 0x1f) | ((f & 0x3) << 5); in rapl_compute_time_window_core()
1112 return (value) ? value * rd->time_unit : rd->time_unit; in rapl_compute_time_window_atom()
1114 value = div64_u64(value, rd->time_unit); in rapl_compute_time_window_atom()
1132 ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT]; in rapl_check_unit_tpmi()
1134 if (rd->rp->priv->read_raw(get_rid(rd->rp), &ra)) { in rapl_check_unit_tpmi()
1136 ra.reg.val, rd->rp->name, rd->name); in rapl_check_unit_tpmi()
1137 return -ENODEV; in rapl_check_unit_tpmi()
1141 rd->energy_unit = ENERGY_UNIT_SCALE * 1000000 / (1 << value); in rapl_check_unit_tpmi()
1144 rd->power_unit = 1000000 / (1 << value); in rapl_check_unit_tpmi()
1147 rd->time_unit = 1000000 / (1 << value); in rapl_check_unit_tpmi()
1150 rd->rp->name, rd->name, rd->energy_unit, rd->time_unit, rd->power_unit); in rapl_check_unit_tpmi()
1283 static void rapl_update_domain_data(struct rapl_package *rp) in rapl_update_domain_data() argument
1288 for (dmn = 0; dmn < rp->nr_domains; dmn++) { in rapl_update_domain_data()
1289 pr_debug("update %s domain %s data\n", rp->name, in rapl_update_domain_data()
1290 rp->domains[dmn].name); in rapl_update_domain_data()
1291 /* exclude non-raw primitives */ in rapl_update_domain_data()
1293 struct rapl_primitive_info *rpi = get_rpi(rp, prim); in rapl_update_domain_data()
1295 if (!rapl_read_data_raw(&rp->domains[dmn], prim, in rapl_update_domain_data()
1296 rpi->unit, &val)) in rapl_update_domain_data()
1297 rp->domains[dmn].rdd.primitives[prim] = val; in rapl_update_domain_data()
1303 static int rapl_package_register_powercap(struct rapl_package *rp) in rapl_package_register_powercap() argument
1310 rapl_update_domain_data(rp); in rapl_package_register_powercap()
1313 for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) { in rapl_package_register_powercap()
1314 if (rd->id == RAPL_DOMAIN_PACKAGE) { in rapl_package_register_powercap()
1316 pr_debug("register package domain %s\n", rp->name); in rapl_package_register_powercap()
1317 power_zone = powercap_register_zone(&rd->power_zone, in rapl_package_register_powercap()
1318 rp->priv->control_type, rp->name, in rapl_package_register_powercap()
1319 NULL, &zone_ops[rd->id], nr_pl, in rapl_package_register_powercap()
1323 rp->name); in rapl_package_register_powercap()
1327 rp->power_zone = power_zone; in rapl_package_register_powercap()
1334 return -ENODEV; in rapl_package_register_powercap()
1337 for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) { in rapl_package_register_powercap()
1338 struct powercap_zone *parent = rp->power_zone; in rapl_package_register_powercap()
1340 if (rd->id == RAPL_DOMAIN_PACKAGE) in rapl_package_register_powercap()
1342 if (rd->id == RAPL_DOMAIN_PLATFORM) in rapl_package_register_powercap()
1346 power_zone = powercap_register_zone(&rd->power_zone, in rapl_package_register_powercap()
1347 rp->priv->control_type, in rapl_package_register_powercap()
1348 rd->name, parent, in rapl_package_register_powercap()
1349 &zone_ops[rd->id], nr_pl, in rapl_package_register_powercap()
1354 rp->name, rd->name); in rapl_package_register_powercap()
1366 while (--rd >= rp->domains) { in rapl_package_register_powercap()
1367 pr_debug("unregister %s domain %s\n", rp->name, rd->name); in rapl_package_register_powercap()
1368 powercap_unregister_zone(rp->priv->control_type, in rapl_package_register_powercap()
1369 &rd->power_zone); in rapl_package_register_powercap()
1375 static int rapl_check_domain(int domain, struct rapl_package *rp) in rapl_check_domain() argument
1385 ra.reg = rp->priv->regs[domain][RAPL_DOMAIN_REG_STATUS]; in rapl_check_domain()
1389 return -EINVAL; in rapl_check_domain()
1391 /* make sure domain counters are available and contains non-zero in rapl_check_domain()
1396 if (rp->priv->read_raw(get_rid(rp), &ra) || !ra.value) in rapl_check_domain()
1397 return -ENODEV; in rapl_check_domain()
1409 struct rapl_defaults *defaults = get_defaults(rd->rp); in rapl_get_domain_unit()
1412 if (!rd->regs[RAPL_DOMAIN_REG_UNIT].val) { in rapl_get_domain_unit()
1413 if (!rd->rp->priv->reg_unit.val) { in rapl_get_domain_unit()
1415 return -ENODEV; in rapl_get_domain_unit()
1417 rd->regs[RAPL_DOMAIN_REG_UNIT] = rd->rp->priv->reg_unit; in rapl_get_domain_unit()
1420 if (!defaults->check_unit) { in rapl_get_domain_unit()
1422 return -ENODEV; in rapl_get_domain_unit()
1425 ret = defaults->check_unit(rd); in rapl_get_domain_unit()
1429 if (rd->id == RAPL_DOMAIN_DRAM && defaults->dram_domain_energy_unit) in rapl_get_domain_unit()
1430 rd->energy_unit = defaults->dram_domain_energy_unit; in rapl_get_domain_unit()
1431 if (rd->id == RAPL_DOMAIN_PLATFORM && defaults->psys_domain_energy_unit) in rapl_get_domain_unit()
1432 rd->energy_unit = defaults->psys_domain_energy_unit; in rapl_get_domain_unit()
1438 * 1. Locked by BIOS, in this case we still provide read-only access so that
1453 rd->rpl[i].locked = true; in rapl_detect_powerlimit()
1455 rd->rp->name, rd->name, pl_names[i]); in rapl_detect_powerlimit()
1460 rd->rpl[i].name = NULL; in rapl_detect_powerlimit()
1467 static int rapl_detect_domains(struct rapl_package *rp) in rapl_detect_domains() argument
1474 if (!rapl_check_domain(i, rp)) { in rapl_detect_domains()
1475 rp->domain_map |= 1 << i; in rapl_detect_domains()
1479 rp->nr_domains = bitmap_weight(&rp->domain_map, RAPL_DOMAIN_MAX); in rapl_detect_domains()
1480 if (!rp->nr_domains) { in rapl_detect_domains()
1481 pr_debug("no valid rapl domains found in %s\n", rp->name); in rapl_detect_domains()
1482 return -ENODEV; in rapl_detect_domains()
1484 pr_debug("found %d domains on %s\n", rp->nr_domains, rp->name); in rapl_detect_domains()
1486 rp->domains = kcalloc(rp->nr_domains, sizeof(struct rapl_domain), in rapl_detect_domains()
1488 if (!rp->domains) in rapl_detect_domains()
1489 return -ENOMEM; in rapl_detect_domains()
1491 rapl_init_domains(rp); in rapl_detect_domains()
1493 for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) { in rapl_detect_domains()
1502 void rapl_remove_package(struct rapl_package *rp) in rapl_remove_package() argument
1506 package_power_limit_irq_restore(rp); in rapl_remove_package()
1508 for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) { in rapl_remove_package()
1516 if (rd->id == RAPL_DOMAIN_PACKAGE) { in rapl_remove_package()
1521 rp->name, rd->name); in rapl_remove_package()
1522 powercap_unregister_zone(rp->priv->control_type, in rapl_remove_package()
1523 &rd->power_zone); in rapl_remove_package()
1526 powercap_unregister_zone(rp->priv->control_type, in rapl_remove_package()
1527 &rd_package->power_zone); in rapl_remove_package()
1528 list_del(&rp->plist); in rapl_remove_package()
1529 kfree(rp); in rapl_remove_package()
1536 struct rapl_package *rp; in rapl_find_package_domain() local
1544 list_for_each_entry(rp, &rapl_packages, plist) { in rapl_find_package_domain()
1545 if (rp->id == uid in rapl_find_package_domain()
1546 && rp->priv->control_type == priv->control_type) in rapl_find_package_domain()
1547 return rp; in rapl_find_package_domain()
1557 struct rapl_package *rp; in rapl_add_package() local
1560 rp = kzalloc(sizeof(struct rapl_package), GFP_KERNEL); in rapl_add_package()
1561 if (!rp) in rapl_add_package()
1562 return ERR_PTR(-ENOMEM); in rapl_add_package()
1565 rp->id = topology_logical_die_id(id); in rapl_add_package()
1566 rp->lead_cpu = id; in rapl_add_package()
1568 snprintf(rp->name, PACKAGE_DOMAIN_NAME_LENGTH, "package-%d-die-%d", in rapl_add_package()
1571 snprintf(rp->name, PACKAGE_DOMAIN_NAME_LENGTH, "package-%d", in rapl_add_package()
1574 rp->id = id; in rapl_add_package()
1575 rp->lead_cpu = -1; in rapl_add_package()
1576 snprintf(rp->name, PACKAGE_DOMAIN_NAME_LENGTH, "package-%d", id); in rapl_add_package()
1579 rp->priv = priv; in rapl_add_package()
1580 ret = rapl_config(rp); in rapl_add_package()
1585 if (rapl_detect_domains(rp)) { in rapl_add_package()
1586 ret = -ENODEV; in rapl_add_package()
1589 ret = rapl_package_register_powercap(rp); in rapl_add_package()
1591 INIT_LIST_HEAD(&rp->plist); in rapl_add_package()
1592 list_add(&rp->plist, &rapl_packages); in rapl_add_package()
1593 return rp; in rapl_add_package()
1597 kfree(rp->domains); in rapl_add_package()
1598 kfree(rp); in rapl_add_package()
1605 struct rapl_package *rp; in power_limit_state_save() local
1610 list_for_each_entry(rp, &rapl_packages, plist) { in power_limit_state_save()
1611 if (!rp->power_zone) in power_limit_state_save()
1613 rd = power_zone_to_rapl_domain(rp->power_zone); in power_limit_state_save()
1616 &rd->rpl[i].last_power_limit); in power_limit_state_save()
1618 rd->rpl[i].last_power_limit = 0; in power_limit_state_save()
1626 struct rapl_package *rp; in power_limit_state_restore() local
1631 list_for_each_entry(rp, &rapl_packages, plist) { in power_limit_state_restore()
1632 if (!rp->power_zone) in power_limit_state_restore()
1634 rd = power_zone_to_rapl_domain(rp->power_zone); in power_limit_state_restore()
1636 if (rd->rpl[i].last_power_limit) in power_limit_state_restore()
1638 rd->rpl[i].last_power_limit); in power_limit_state_restore()
1670 defaults_msr = (struct rapl_defaults *)id->driver_data; in rapl_init()
1674 return -ENOMEM; in rapl_init()