cpu_idle.h revision fb2caebe9e38ee2e6e469d5136fb247faaa7299b
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2009, Intel Corporation.
* All rights reserved.
*/
#ifndef _CPUIDLE_H
#define _CPUIDLE_H
#include <sys/cpupm.h>
#include <sys/cpu.h>
#ifdef __cplusplus
extern "C" {
#endif
#define CPU_MAX_CSTATES 8
#define CPU_ACPI_C0 IDLE_STATE_C0
#define CPU_ACPI_C1 IDLE_STATE_C1
#define CPU_ACPI_C2 IDLE_STATE_C2
#define CPU_ACPI_C3 IDLE_STATE_C3
#define BM_CTL 0x1
#define BM_RLD 0x2
#define BM_ARB_DIS 0x4
#define CPUID_TSC_INVARIANCE 0x100
#define CPU_IDLE_DEEP_CFG (0x1) /* Deep Idle disabled by user */
#define CPU_IDLE_CPR_CFG (0x2) /* In CPR */
typedef struct cpu_idle_kstat_s {
struct kstat_named addr_space_id; /* register address space id */
struct kstat_named cs_latency; /* worst latency */
struct kstat_named cs_power; /* average power consumption */
} cpu_idle_kstat_t;
extern cpupm_state_ops_t cpu_idle_ops;
extern void cpu_acpi_idle(void);
extern void cstate_wakeup(cpu_t *, int);
extern boolean_t cpu_deep_cstates_supported(void);
extern void cpu_wakeup(cpu_t *, int);
extern void cpu_wakeup_mwait(cpu_t *, int);
extern void cpuidle_manage_cstates(void *);
extern boolean_t cstate_timer_callback(int code);
#ifdef __cplusplus
}
#endif
#endif /* _CPUIDLE_H */