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/*
* 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.
*/
#ifndef _SYS_CPUDRV_MACH_H
#define _SYS_CPUDRV_MACH_H
#include <sys/cpuvar.h>
#include <sys/cpupm.h>
#include <sys/cpu_acpi.h>
#include <sys/cpudrv.h>
#include <sys/ksynch.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* We currently refuse to power manage if the CPU in not ready to
* take cross calls (cross calls fail silently if CPU is not ready
* for it).
*/
extern cpuset_t cpu_ready_set;
#define CPUDRV_XCALL_IS_READY(cpuid) CPU_IN_SET(cpu_ready_set, (cpuid))
/*
* We're about to exit the _PPC thread so reset tag.
*/
#define CPUDRV_RESET_GOVERNOR_THREAD(cpupm) { \
if (curthread == cpupm->pm_governor_thread) \
cpupm->pm_governor_thread = NULL; \
}
/*
* The current top speed as defined by the _PPC.
*/
#define CPUDRV_TOPSPEED(cpupm) (cpupm)->top_spd
/*
* Install a _PPC/_TPC change notification handler.
*/
#define CPUDRV_INSTALL_MAX_CHANGE_HANDLER(cpudsp) \
cpudrv_install_notify_handler(cpudsp);
/*
* Uninstall _PPC/_TPC change notification handler.
*/
#define CPUDRV_UNINSTALL_MAX_CHANGE_HANDLER(cpudsp) \
cpudrv_uninstall_notify_handler(cpudsp);
/*
* Redefine the topspeed.
*/
#define CPUDRV_REDEFINE_TOPSPEED(dip) cpudrv_redefine_topspeed(dip)
/*
* Set callbacks so that PPM can callback into CPUDRV
*/
#define CPUDRV_SET_PPM_CALLBACKS() { \
cpupm_get_topspeed_callb = cpudrv_get_topspeed; \
cpupm_set_topspeed_callb = cpudrv_set_topspeed; \
}
/*
* ACPI provides the supported speeds.
*/
#define CPUDRV_GET_SPEEDS(cpudsp, speeds, nspeeds) \
nspeeds = cpudrv_get_speeds(cpudsp, &speeds);
#define CPUDRV_FREE_SPEEDS(speeds, nspeeds) \
cpudrv_free_speeds(speeds, nspeeds);
/*
* ACPI provides the supported C-states.
*/
#define CPUDRV_GET_MAX_CSTATES(handle) \
cpu_acpi_get_max_cstates(handle);
/*
* Compute the idle cnt percentage for a given speed.
*/
#define CPUDRV_IDLE_CNT_PERCENT(hwm, speeds, i) \
(100 - (((100 - hwm) * speeds[0]) / speeds[i]))
/*
* Compute the user cnt percentage for a given speed.
*/
#define CPUDRV_USER_CNT_PERCENT(hwm, speeds, i) \
((hwm * speeds[i]) / speeds[i - 1]);
/*
* pm-components property defintions for this machine type.
*
* Fully constructed pm-components property should be an array of
* strings that look something like:
*
* pmc[0] = "NAME=CPU Speed"
* pmc[1] = "1=2800MHz"
* pmc[2] = "2=3200MHz"
*
* The amount of memory needed for each string is:
* digits for power level + '=' + digits for freq + 'MHz' + '\0'
*/
#define CPUDRV_COMP_SIZE() \
(CPUDRV_COMP_MAX_DIG + 1 + CPUDRV_COMP_MAX_DIG + 3 + 1);
#define CPUDRV_COMP_SPEED(cpupm, cur_spd) cur_spd->speed;
#define CPUDRV_COMP_SPRINT(pmc, cpupm, cur_spd, comp_spd) \
(void) sprintf(pmc, "%d=%dMHz", cur_spd->pm_level, comp_spd);
extern void cpudrv_set_topspeed(void *, int);
extern int cpudrv_get_topspeed(void *);
extern int cpudrv_get_topthrottle(cpu_t *);
extern void cpudrv_manage_throttling(void *);
extern void cpudrv_install_notify_handler(cpudrv_devstate_t *);
extern void cpudrv_uninstall_notify_handler(cpudrv_devstate_t *);
extern void cpudrv_redefine_topspeed(void *);
extern uint_t cpudrv_get_speeds(cpudrv_devstate_t *, int **);
extern void cpudrv_free_speeds(int *, uint_t);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CPUDRV_MACH_H */
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