1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* 26 * Copyright (c) 2009, Intel Corporation. 27 * All rights reserved. 28 */ 29 30 #ifndef _CPUIDLE_H 31 #define _CPUIDLE_H 32 33 #include <sys/cpupm.h> 34 #include <sys/cpu.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 #define CPU_MAX_CSTATES 8 40 41 #define CPU_ACPI_C0 IDLE_STATE_C0 42 #define CPU_ACPI_C1 IDLE_STATE_C1 43 #define CPU_ACPI_C2 IDLE_STATE_C2 44 #define CPU_ACPI_C3 IDLE_STATE_C3 45 46 #define BM_CTL 0x1 47 #define BM_RLD 0x2 48 #define BM_ARB_DIS 0x4 49 50 #define CPUID_TSC_INVARIANCE 0x100 51 52 #define CPU_IDLE_DEEP_CFG (0x1) /* Deep Idle disabled by user */ 53 #define CPU_IDLE_CPR_CFG (0x2) /* In CPR */ 54 55 typedef struct cpu_idle_kstat_s { 56 struct kstat_named addr_space_id; /* register address space id */ 57 struct kstat_named cs_latency; /* worst latency */ 58 struct kstat_named cs_power; /* average power consumption */ 59 } cpu_idle_kstat_t; 60 61 extern cpupm_state_ops_t cpu_idle_ops; 62 63 extern void cpu_acpi_idle(void); 64 extern void cstate_wakeup(cpu_t *, int); 65 extern boolean_t cpu_deep_cstates_supported(void); 66 extern void cpu_wakeup(cpu_t *, int); 67 extern void cpu_wakeup_mwait(cpu_t *, int); 68 extern void cpuidle_manage_cstates(void *); 69 extern boolean_t cstate_timer_callback(int code); 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif /* _CPUIDLE_H */ 76