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 32 extern "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 50 #define CPU_CSTATE_LATENCY_UNDEF (1000000) /* ACPI info missing */ 51 52 typedef struct cpu_idle_kstat_s { 53 struct kstat_named addr_space_id; /* register address space id */ 54 struct kstat_named cs_latency; /* worst latency */ 55 struct kstat_named cs_power; /* average power consumption */ 56 } cpu_idle_kstat_t; 57 58 extern cpupm_state_ops_t cpu_idle_ops; 59 60 extern void cpu_acpi_idle(void); 61 extern void cstate_wakeup(cpu_t *, int); 62 extern boolean_t cpu_deep_cstates_supported(void); 63 extern void cpu_wakeup(cpu_t *, int); 64 extern void cpu_wakeup_mwait(cpu_t *, int); 65 extern void cpu_dtrace_idle_probe(uint_t); 66 extern void cpuidle_manage_cstates(void *); 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* _CPUIDLE_H */ 73