Lines Matching full:pr
126 static void lapic_timer_check_state(int state, struct acpi_processor *pr, in lapic_timer_check_state() argument
129 struct acpi_processor_power *pwr = &pr->power; in lapic_timer_check_state()
132 if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT)) in lapic_timer_check_state()
146 pr->power.timer_broadcast_on_state = state; in lapic_timer_check_state()
151 struct acpi_processor *pr = (struct acpi_processor *) arg; in __lapic_timer_propagate_broadcast() local
153 if (pr->power.timer_broadcast_on_state < INT_MAX) in __lapic_timer_propagate_broadcast()
159 static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) in lapic_timer_propagate_broadcast() argument
161 smp_call_function_single(pr->id, __lapic_timer_propagate_broadcast, in lapic_timer_propagate_broadcast()
162 (void *)pr, 1); in lapic_timer_propagate_broadcast()
166 static bool lapic_timer_needs_broadcast(struct acpi_processor *pr, in lapic_timer_needs_broadcast() argument
169 return cx - pr->power.states >= pr->power.timer_broadcast_on_state; in lapic_timer_needs_broadcast()
174 static void lapic_timer_check_state(int state, struct acpi_processor *pr, in lapic_timer_check_state() argument
176 static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) { } in lapic_timer_propagate_broadcast() argument
178 static bool lapic_timer_needs_broadcast(struct acpi_processor *pr, in lapic_timer_needs_broadcast() argument
212 static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) in acpi_processor_get_power_info_fadt() argument
215 if (!pr->pblk) in acpi_processor_get_power_info_fadt()
219 pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2; in acpi_processor_get_power_info_fadt()
220 pr->power.states[ACPI_STATE_C3].type = ACPI_STATE_C3; in acpi_processor_get_power_info_fadt()
233 pr->power.states[ACPI_STATE_C2].address = pr->pblk + 4; in acpi_processor_get_power_info_fadt()
234 pr->power.states[ACPI_STATE_C3].address = pr->pblk + 5; in acpi_processor_get_power_info_fadt()
237 pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.c2_latency; in acpi_processor_get_power_info_fadt()
238 pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.c3_latency; in acpi_processor_get_power_info_fadt()
248 pr->power.states[ACPI_STATE_C2].address = 0; in acpi_processor_get_power_info_fadt()
259 pr->power.states[ACPI_STATE_C3].address = 0; in acpi_processor_get_power_info_fadt()
264 pr->power.states[ACPI_STATE_C2].address, in acpi_processor_get_power_info_fadt()
265 pr->power.states[ACPI_STATE_C3].address)); in acpi_processor_get_power_info_fadt()
267 snprintf(pr->power.states[ACPI_STATE_C2].desc, in acpi_processor_get_power_info_fadt()
269 pr->power.states[ACPI_STATE_C2].address); in acpi_processor_get_power_info_fadt()
270 snprintf(pr->power.states[ACPI_STATE_C3].desc, in acpi_processor_get_power_info_fadt()
272 pr->power.states[ACPI_STATE_C3].address); in acpi_processor_get_power_info_fadt()
277 static int acpi_processor_get_power_info_default(struct acpi_processor *pr) in acpi_processor_get_power_info_default() argument
279 if (!pr->power.states[ACPI_STATE_C1].valid) { in acpi_processor_get_power_info_default()
282 pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1; in acpi_processor_get_power_info_default()
283 pr->power.states[ACPI_STATE_C1].valid = 1; in acpi_processor_get_power_info_default()
284 pr->power.states[ACPI_STATE_C1].entry_method = ACPI_CSTATE_HALT; in acpi_processor_get_power_info_default()
286 snprintf(pr->power.states[ACPI_STATE_C1].desc, in acpi_processor_get_power_info_default()
290 pr->power.states[ACPI_STATE_C0].valid = 1; in acpi_processor_get_power_info_default()
294 static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) in acpi_processor_get_power_info_cst() argument
301 ret = acpi_processor_evaluate_cst(pr->handle, pr->id, &pr->power); in acpi_processor_get_power_info_cst()
305 if (!pr->power.count) in acpi_processor_get_power_info_cst()
308 pr->flags.has_cst = 1; in acpi_processor_get_power_info_cst()
312 static void acpi_processor_power_verify_c3(struct acpi_processor *pr, in acpi_processor_power_verify_c3() argument
338 acpi_processor_power_init_bm_check(&(pr->flags), pr->id); in acpi_processor_power_verify_c3()
339 bm_check_flag = pr->flags.bm_check; in acpi_processor_power_verify_c3()
340 bm_control_flag = pr->flags.bm_control; in acpi_processor_power_verify_c3()
342 pr->flags.bm_check = bm_check_flag; in acpi_processor_power_verify_c3()
343 pr->flags.bm_control = bm_control_flag; in acpi_processor_power_verify_c3()
346 if (pr->flags.bm_check) { in acpi_processor_power_verify_c3()
347 if (!pr->flags.bm_control) { in acpi_processor_power_verify_c3()
348 if (pr->flags.has_cst != 1) { in acpi_processor_power_verify_c3()
417 static int acpi_processor_power_verify(struct acpi_processor *pr) in acpi_processor_power_verify() argument
425 pr->power.timer_broadcast_on_state = INT_MAX; in acpi_processor_power_verify()
428 struct acpi_processor_cx *cx = &pr->power.states[i]; in acpi_processor_power_verify()
442 acpi_processor_power_verify_c3(pr, cx); in acpi_processor_power_verify()
452 lapic_timer_check_state(i, pr, cx); in acpi_processor_power_verify()
459 sort(&pr->power.states[1], max_cstate, in acpi_processor_power_verify()
465 lapic_timer_propagate_broadcast(pr); in acpi_processor_power_verify()
470 static int acpi_processor_get_cstate_info(struct acpi_processor *pr) in acpi_processor_get_cstate_info() argument
480 memset(pr->power.states, 0, sizeof(pr->power.states)); in acpi_processor_get_cstate_info()
482 result = acpi_processor_get_power_info_cst(pr); in acpi_processor_get_cstate_info()
484 result = acpi_processor_get_power_info_fadt(pr); in acpi_processor_get_cstate_info()
489 acpi_processor_get_power_info_default(pr); in acpi_processor_get_cstate_info()
491 pr->power.count = acpi_processor_power_verify(pr); in acpi_processor_get_cstate_info()
498 if (pr->power.states[i].valid) { in acpi_processor_get_cstate_info()
499 pr->power.count = i; in acpi_processor_get_cstate_info()
500 pr->flags.power = 1; in acpi_processor_get_cstate_info()
613 static bool acpi_idle_fallback_to_c1(struct acpi_processor *pr) in acpi_idle_fallback_to_c1() argument
615 return IS_ENABLED(CONFIG_HOTPLUG_CPU) && !pr->flags.has_cst && in acpi_idle_fallback_to_c1()
625 * @pr: Target processor
630 struct acpi_processor *pr, in acpi_idle_enter_bm() argument
646 bool dis_bm = pr->flags.bm_control; in acpi_idle_enter_bm()
690 struct acpi_processor *pr; in acpi_idle_enter() local
692 pr = __this_cpu_read(processors); in acpi_idle_enter()
693 if (unlikely(!pr)) in acpi_idle_enter()
697 if (cx->type == ACPI_STATE_C3 && pr->flags.bm_check) in acpi_idle_enter()
698 return acpi_idle_enter_bm(drv, pr, cx, index); in acpi_idle_enter()
701 if (acpi_idle_fallback_to_c1(pr) && num_online_cpus() > 1) { in acpi_idle_enter()
721 struct acpi_processor *pr = __this_cpu_read(processors); in acpi_idle_enter_s2idle() local
723 if (unlikely(!pr)) in acpi_idle_enter_s2idle()
726 if (pr->flags.bm_check) { in acpi_idle_enter_s2idle()
731 acpi_idle_enter_bm(drv, pr, cx, index); in acpi_idle_enter_s2idle()
744 static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr, in acpi_processor_setup_cpuidle_cx() argument
756 cx = &pr->power.states[i]; in acpi_processor_setup_cpuidle_cx()
763 if (lapic_timer_needs_broadcast(pr, cx)) in acpi_processor_setup_cpuidle_cx()
768 if (pr->flags.bm_check) in acpi_processor_setup_cpuidle_cx()
783 static int acpi_processor_setup_cstates(struct acpi_processor *pr) in acpi_processor_setup_cstates() argument
801 cx = &pr->power.states[i]; in acpi_processor_setup_cstates()
825 if (cx->type != ACPI_STATE_C1 && !acpi_idle_fallback_to_c1(pr)) in acpi_processor_setup_cstates()
863 static int acpi_processor_get_cstate_info(struct acpi_processor *pr) in acpi_processor_get_cstate_info() argument
868 static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr, in acpi_processor_setup_cpuidle_cx() argument
874 static int acpi_processor_setup_cstates(struct acpi_processor *pr) in acpi_processor_setup_cstates() argument
1055 static int flatten_lpi_states(struct acpi_processor *pr, in flatten_lpi_states() argument
1076 flpi = &pr->power.lpi_states[flat_state_cnt]; in flatten_lpi_states()
1105 static int acpi_processor_get_lpi_info(struct acpi_processor *pr) in acpi_processor_get_lpi_info() argument
1109 acpi_handle handle = pr->handle, pr_ahandle; in acpi_processor_get_lpi_info()
1114 ret = acpi_processor_ffh_lpi_probe(pr->id); in acpi_processor_get_lpi_info()
1127 handle = pr->handle; in acpi_processor_get_lpi_info()
1131 flatten_lpi_states(pr, prev, NULL); in acpi_processor_get_lpi_info()
1150 flatten_lpi_states(pr, curr, prev); in acpi_processor_get_lpi_info()
1157 pr->power.count = flat_state_cnt; in acpi_processor_get_lpi_info()
1159 for (i = 0; i < pr->power.count; i++) in acpi_processor_get_lpi_info()
1160 pr->power.lpi_states[i].index = i; in acpi_processor_get_lpi_info()
1163 pr->flags.has_lpi = 1; in acpi_processor_get_lpi_info()
1164 pr->flags.power = 1; in acpi_processor_get_lpi_info()
1185 struct acpi_processor *pr; in acpi_idle_lpi_enter() local
1188 pr = __this_cpu_read(processors); in acpi_idle_lpi_enter()
1190 if (unlikely(!pr)) in acpi_idle_lpi_enter()
1193 lpi = &pr->power.lpi_states[index]; in acpi_idle_lpi_enter()
1200 static int acpi_processor_setup_lpi_states(struct acpi_processor *pr) in acpi_processor_setup_lpi_states() argument
1207 if (!pr->flags.has_lpi) in acpi_processor_setup_lpi_states()
1210 for (i = 0; i < pr->power.count && i < CPUIDLE_STATE_MAX; i++) { in acpi_processor_setup_lpi_states()
1211 lpi = &pr->power.lpi_states[i]; in acpi_processor_setup_lpi_states()
1233 * @pr: the ACPI processor
1235 static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) in acpi_processor_setup_cpuidle_states() argument
1240 if (!pr->flags.power_setup_done || !pr->flags.power) in acpi_processor_setup_cpuidle_states()
1249 if (pr->flags.has_lpi) in acpi_processor_setup_cpuidle_states()
1250 return acpi_processor_setup_lpi_states(pr); in acpi_processor_setup_cpuidle_states()
1252 return acpi_processor_setup_cstates(pr); in acpi_processor_setup_cpuidle_states()
1259 * @pr: the ACPI processor
1262 static int acpi_processor_setup_cpuidle_dev(struct acpi_processor *pr, in acpi_processor_setup_cpuidle_dev() argument
1265 if (!pr->flags.power_setup_done || !pr->flags.power || !dev) in acpi_processor_setup_cpuidle_dev()
1268 dev->cpu = pr->id; in acpi_processor_setup_cpuidle_dev()
1269 if (pr->flags.has_lpi) in acpi_processor_setup_cpuidle_dev()
1270 return acpi_processor_ffh_lpi_probe(pr->id); in acpi_processor_setup_cpuidle_dev()
1272 return acpi_processor_setup_cpuidle_cx(pr, dev); in acpi_processor_setup_cpuidle_dev()
1275 static int acpi_processor_get_power_info(struct acpi_processor *pr) in acpi_processor_get_power_info() argument
1279 ret = acpi_processor_get_lpi_info(pr); in acpi_processor_get_power_info()
1281 ret = acpi_processor_get_cstate_info(pr); in acpi_processor_get_power_info()
1286 int acpi_processor_hotplug(struct acpi_processor *pr) in acpi_processor_hotplug() argument
1294 if (!pr->flags.power_setup_done) in acpi_processor_hotplug()
1297 dev = per_cpu(acpi_cpuidle_device, pr->id); in acpi_processor_hotplug()
1300 ret = acpi_processor_get_power_info(pr); in acpi_processor_hotplug()
1301 if (!ret && pr->flags.power) { in acpi_processor_hotplug()
1302 acpi_processor_setup_cpuidle_dev(pr, dev); in acpi_processor_hotplug()
1310 int acpi_processor_power_state_has_changed(struct acpi_processor *pr) in acpi_processor_power_state_has_changed() argument
1319 if (!pr->flags.power_setup_done) in acpi_processor_power_state_has_changed()
1328 if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) { in acpi_processor_power_state_has_changed()
1344 acpi_processor_get_power_info(pr); in acpi_processor_power_state_has_changed()
1345 acpi_processor_setup_cpuidle_states(pr); in acpi_processor_power_state_has_changed()
1368 int acpi_processor_power_init(struct acpi_processor *pr) in acpi_processor_power_init() argument
1378 if (!acpi_processor_get_power_info(pr)) in acpi_processor_power_init()
1379 pr->flags.power_setup_done = 1; in acpi_processor_power_init()
1386 if (pr->flags.power) { in acpi_processor_power_init()
1389 acpi_processor_setup_cpuidle_states(pr); in acpi_processor_power_init()
1400 per_cpu(acpi_cpuidle_device, pr->id) = dev; in acpi_processor_power_init()
1402 acpi_processor_setup_cpuidle_dev(pr, dev); in acpi_processor_power_init()
1418 int acpi_processor_power_exit(struct acpi_processor *pr) in acpi_processor_power_exit() argument
1420 struct cpuidle_device *dev = per_cpu(acpi_cpuidle_device, pr->id); in acpi_processor_power_exit()
1425 if (pr->flags.power) { in acpi_processor_power_exit()
1434 pr->flags.power_setup_done = 0; in acpi_processor_power_exit()