processor_info.h   [plain text]


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/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
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 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
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 * thereof, and that both notices appear in supporting documentation.
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 * 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
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 * 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_

#include <mach/message.h>
#include <mach/machine.h>
#include <mach/machine/processor_info.h>

/*
 *	Generic information structure to allow for expansion.
 */
typedef integer_t	*processor_info_t;	/* varying array of int. */
typedef integer_t	*processor_info_array_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.
 */
typedef int	processor_flavor_t;
#define	PROCESSOR_BASIC_INFO	1		/* basic information */
#define	PROCESSOR_CPU_LOAD_INFO	2	/* cpu load information */
#define	PROCESSOR_PM_REGS_INFO	0x10000001	/* performance monitor register info */
#define	PROCESSOR_TEMPERATURE	0x10000002	/* Processor core temperature */

struct processor_basic_info {
	cpu_type_t	cpu_type;	/* type of cpu */
	cpu_subtype_t	cpu_subtype;	/* subtype of cpu */
	boolean_t	running;	/* is processor running */
	int		slot_num;	/* slot number */
	boolean_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	((mach_msg_type_number_t) \
		(sizeof(processor_basic_info_data_t)/sizeof(natural_t)))

struct processor_cpu_load_info {             /* number of ticks while running... */
        unsigned int	cpu_ticks[CPU_STATE_MAX]; /* ... in the given mode */
}; 

typedef	struct processor_cpu_load_info	processor_cpu_load_info_data_t;
typedef struct processor_cpu_load_info	*processor_cpu_load_info_t;
#define PROCESSOR_CPU_LOAD_INFO_COUNT	((mach_msg_type_number_t) \
		(sizeof(processor_cpu_load_info_data_t)/sizeof(natural_t)))

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

typedef	int	processor_set_flavor_t;
#define	PROCESSOR_SET_BASIC_INFO	5	/* basic information */

struct processor_set_basic_info {
	int		processor_count;	/* How many processors */
	int		default_policy;		/* When others not enabled */
};

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	((mach_msg_type_number_t) \
		(sizeof(processor_set_basic_info_data_t)/sizeof(natural_t)))

#define PROCESSOR_SET_LOAD_INFO		4	/* scheduling statistics */

struct processor_set_load_info {
        int             task_count;             /* How many tasks */
        int             thread_count;           /* How many threads */
        integer_t       load_average;           /* Scaled */
        integer_t       mach_factor;            /* Scaled */
};

typedef struct processor_set_load_info processor_set_load_info_data_t;
typedef struct processor_set_load_info *processor_set_load_info_t;
#define PROCESSOR_SET_LOAD_INFO_COUNT	((mach_msg_type_number_t) \
                (sizeof(processor_set_load_info_data_t)/sizeof(natural_t)))

#ifdef	PRIVATE

#define PROCESSOR_SET_ENABLED_POLICIES                   3
#define PROCESSOR_SET_ENABLED_POLICIES_COUNT ((mach_msg_type_number_t) \
		(sizeof(policy_t)/sizeof(natural_t)))

#define PROCESSOR_SET_TIMESHARE_DEFAULT                 10
#define PROCESSOR_SET_TIMESHARE_LIMITS                  11

#define PROCESSOR_SET_RR_DEFAULT                        20
#define PROCESSOR_SET_RR_LIMITS                         21

#define PROCESSOR_SET_FIFO_DEFAULT                      30
#define PROCESSOR_SET_FIFO_LIMITS                       31

#endif	/* PRIVATE */

#endif	/* _MACH_PROCESSOR_INFO_H_ */