FreeBSD/Linux Kernel Cross Reference
sys/mach/processor_info.h

     /* 
      * 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_
    
    #include <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_ */

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