cpu_idle.h revision 8983:981f8c40440c
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#ifndef _CPUIDLE_H 27#define _CPUIDLE_H 28 29#include <sys/cpupm.h> 30 31#ifdef __cplusplus 32extern "C" { 33#endif 34#define CPU_MAX_CSTATES 8 35 36#define CPU_ACPI_C0 0 37#define CPU_ACPI_C1 1 38#define CPU_ACPI_C2 2 39#define CPU_ACPI_C3 3 40 41#define BM_CTL 0x1 42#define BM_RLD 0x2 43#define BM_ARB_DIS 0x4 44 45#define CPUID_TSC_INVARIANCE 0x100 46 47#define CPU_IDLE_DEEP_CFG (0x1) /* Deep Idle disabled by user */ 48#define CPU_IDLE_CPR_CFG (0x2) /* In CPR */ 49 50typedef struct cpu_idle_kstat_s { 51 struct kstat_named addr_space_id; /* register address space id */ 52 struct kstat_named cs_latency; /* worst latency */ 53 struct kstat_named cs_power; /* average power consumption */ 54} cpu_idle_kstat_t; 55 56extern cpupm_state_ops_t cpu_idle_ops; 57 58extern void cpu_acpi_idle(void); 59extern void cstate_wakeup(cpu_t *, int); 60extern boolean_t cpu_deep_cstates_supported(void); 61extern void cpu_wakeup(cpu_t *, int); 62extern void cpu_wakeup_mwait(cpu_t *, int); 63extern void cpu_dtrace_idle_probe(uint_t); 64extern void cpuidle_manage_cstates(void *); 65 66#ifdef __cplusplus 67} 68#endif 69 70#endif /* _CPUIDLE_H */ 71