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processor_info.h
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1995-02-14
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/*
* 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 Software.Distribution@CS.CMU.EDU
* 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.
*/
/*
* HISTORY
* $Log: processor_info.h,v $
* Revision 2.5 93/01/14 17:46:35 danner
* Cleanup.
* [92/06/10 pds]
* 64bit cleanup.
* [92/12/01 af]
*
* Revision 2.4 91/05/14 16:58:46 mrt
* Correcting copyright
*
* Revision 2.3 91/02/05 17:35:31 mrt
* Changed to new Mach copyright
* [91/02/01 17:20:39 mrt]
*
* Revision 2.2 90/06/02 14:59:49 rpd
* Created for new host/processor technology.
* [90/03/26 23:51:38 rpd]
*
* Merge to X96
* [89/08/02 23:12:21 dlb]
*
* Add scheduling flavor of information.
* [89/07/25 18:52:18 dlb]
*
* Add load average and mach factor to processor set basic info.
* [89/02/09 dlb]
*
* Revision 2.3 89/10/15 02:05:54 rpd
* Minor cleanups.
*
* Revision 2.2 89/10/11 14:41:03 dlb
* Add scheduling flavor of information.
*
* Add load average and mach factor to processor set basic info.
* [89/02/09 dlb]
*
*/
/*
* 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_ */