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 37extern "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 55typedef 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 61extern cpupm_state_ops_t cpu_idle_ops; 62 63extern void cpu_acpi_idle(void); 64extern void cstate_wakeup(cpu_t *, int); 65extern boolean_t cpu_deep_cstates_supported(void); 66extern void cpu_wakeup(cpu_t *, int); 67extern void cpu_wakeup_mwait(cpu_t *, int); 68extern void cpuidle_manage_cstates(void *); 69extern boolean_t cstate_timer_callback(int code); 70 71#ifdef __cplusplus 72} 73#endif 74 75#endif /* _CPUIDLE_H */ 76