Source to mach/processor_info.h

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  [email protected]
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

/*
 *	File:	mach/processor_info.h
 *	Author:	David L. Black
 *	Date:	1988
 *
 *	Data structure definitions for processor_info, processor_set_info
 */

#ifndef	_MACH_PROCESSOR_INFO_H_
#define _MACH_PROCESSOR_INFO_H_

#import <mach/machine.h>

/*
 *	Generic information structure to allow for expansion.
 */
typedef integer_t	*processor_info_t;	/* varying array of int. */

#define PROCESSOR_INFO_MAX	(1024)	/* max array size */
typedef integer_t	processor_info_data_t[PROCESSOR_INFO_MAX];


typedef integer_t	*processor_set_info_t;	/* varying array of int. */

#define PROCESSOR_SET_INFO_MAX	(1024)	/* max array size */
typedef integer_t	processor_set_info_data_t[PROCESSOR_SET_INFO_MAX];

/*
 *	Currently defined information.
 */
#define	PROCESSOR_BASIC_INFO	1		/* basic information */

struct processor_basic_info {
	cpu_type_t	cpu_type;	/* type of cpu */
	cpu_subtype_t	cpu_subtype;	/* subtype of cpu */
/*boolean_t*/integer_t	running;	/* is processor running */
	integer_t	slot_num;	/* slot number */
/*boolean_t*/integer_t	is_master;	/* is this the master processor */
};

typedef	struct processor_basic_info	processor_basic_info_data_t;
typedef struct processor_basic_info	*processor_basic_info_t;
#define PROCESSOR_BASIC_INFO_COUNT \
		(sizeof(processor_basic_info_data_t)/sizeof(natural_t))


#define	PROCESSOR_SET_BASIC_INFO	1	/* basic information */

struct processor_set_basic_info {
	int		processor_count;	/* How many processors */
	int		task_count;		/* How many tasks */
	int		thread_count;		/* How many threads */
	int		load_average;		/* Scaled */
	int		mach_factor;		/* Scaled */
};

/*
 *	Scaling factor for load_average, mach_factor.
 */
#define	LOAD_SCALE	1000		

typedef	struct processor_set_basic_info	processor_set_basic_info_data_t;
typedef struct processor_set_basic_info	*processor_set_basic_info_t;
#define PROCESSOR_SET_BASIC_INFO_COUNT \
		(sizeof(processor_set_basic_info_data_t)/sizeof(int))

#define PROCESSOR_SET_SCHED_INFO	2	/* scheduling info */

struct processor_set_sched_info {
	int		policies;	/* allowed policies */
	int		max_priority;	/* max priority for new threads */
};

typedef	struct processor_set_sched_info	processor_set_sched_info_data_t;
typedef struct processor_set_sched_info	*processor_set_sched_info_t;
#define PROCESSOR_SET_SCHED_INFO_COUNT \
		(sizeof(processor_set_sched_info_data_t)/sizeof(int))

#endif	/* _MACH_PROCESSOR_INFO_H_ */