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C/C++ Source or Header  |  1997-04-27  |  4.3 KB  |  145 lines
  1. /* 
  2.  * Mach Operating System
  3.  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  4.  * All Rights Reserved.
  5.  * 
  6.  * Permission to use, copy, modify and distribute this software and its
  7.  * documentation is hereby granted, provided that both the copyright
  8.  * notice and this permission notice appear in all copies of the
  9.  * software, derivative works or modified versions, and any portions
  10.  * thereof, and that both notices appear in supporting documentation.
  11.  * 
  12.  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  13.  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  14.  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  15.  * 
  16.  * Carnegie Mellon requests users of this software to return to
  17.  * 
  18.  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  19.  *  School of Computer Science
  20.  *  Carnegie Mellon University
  21.  *  Pittsburgh PA 15213-3890
  22.  * 
  23.  * any improvements or extensions that they make and grant Carnegie Mellon
  24.  * the rights to redistribute these changes.
  25.  */
  26. /*
  27.  * HISTORY
  28.  * $Log:    processor_info.h,v $
  29.  * Revision 2.5  93/01/14  17:46:35  danner
  30.  *     Cleanup.
  31.  *     [92/06/10            pds]
  32.  *     64bit cleanup.
  33.  *     [92/12/01            af]
  34.  * 
  35.  * Revision 2.4  91/05/14  16:58:46  mrt
  36.  *     Correcting copyright
  37.  * 
  38.  * Revision 2.3  91/02/05  17:35:31  mrt
  39.  *     Changed to new Mach copyright
  40.  *     [91/02/01  17:20:39  mrt]
  41.  * 
  42.  * Revision 2.2  90/06/02  14:59:49  rpd
  43.  *     Created for new host/processor technology.
  44.  *     [90/03/26  23:51:38  rpd]
  45.  * 
  46.  *     Merge to X96
  47.  *     [89/08/02  23:12:21  dlb]
  48.  * 
  49.  *     Add scheduling flavor of information.
  50.  *     [89/07/25  18:52:18  dlb]
  51.  * 
  52.  *     Add load average and mach factor to processor set basic info.
  53.  *     [89/02/09            dlb]
  54.  * 
  55.  * Revision 2.3  89/10/15  02:05:54  rpd
  56.  *     Minor cleanups.
  57.  * 
  58.  * Revision 2.2  89/10/11  14:41:03  dlb
  59.  *     Add scheduling flavor of information.
  60.  * 
  61.  *     Add load average and mach factor to processor set basic info.
  62.  *     [89/02/09            dlb]
  63.  * 
  64.  */
  65.  
  66. /*
  67.  *    File:    mach/processor_info.h
  68.  *    Author:    David L. Black
  69.  *    Date:    1988
  70.  *
  71.  *    Data structure definitions for processor_info, processor_set_info
  72.  */
  73.  
  74. #ifndef    _MACH_PROCESSOR_INFO_H_
  75. #define _MACH_PROCESSOR_INFO_H_
  76.  
  77. #import <mach/machine.h>
  78.  
  79. /*
  80.  *    Generic information structure to allow for expansion.
  81.  */
  82. typedef integer_t    *processor_info_t;    /* varying array of int. */
  83.  
  84. #define PROCESSOR_INFO_MAX    (1024)    /* max array size */
  85. typedef integer_t    processor_info_data_t[PROCESSOR_INFO_MAX];
  86.  
  87.  
  88. typedef integer_t    *processor_set_info_t;    /* varying array of int. */
  89.  
  90. #define PROCESSOR_SET_INFO_MAX    (1024)    /* max array size */
  91. typedef integer_t    processor_set_info_data_t[PROCESSOR_SET_INFO_MAX];
  92.  
  93. /*
  94.  *    Currently defined information.
  95.  */
  96. #define    PROCESSOR_BASIC_INFO    1        /* basic information */
  97.  
  98. struct processor_basic_info {
  99.     cpu_type_t    cpu_type;    /* type of cpu */
  100.     cpu_subtype_t    cpu_subtype;    /* subtype of cpu */
  101. /*boolean_t*/integer_t    running;    /* is processor running */
  102.     integer_t    slot_num;    /* slot number */
  103. /*boolean_t*/integer_t    is_master;    /* is this the master processor */
  104. };
  105.  
  106. typedef    struct processor_basic_info    processor_basic_info_data_t;
  107. typedef struct processor_basic_info    *processor_basic_info_t;
  108. #define PROCESSOR_BASIC_INFO_COUNT \
  109.         (sizeof(processor_basic_info_data_t)/sizeof(natural_t))
  110.  
  111.  
  112. #define    PROCESSOR_SET_BASIC_INFO    1    /* basic information */
  113.  
  114. struct processor_set_basic_info {
  115.     int        processor_count;    /* How many processors */
  116.     int        task_count;        /* How many tasks */
  117.     int        thread_count;        /* How many threads */
  118.     int        load_average;        /* Scaled */
  119.     int        mach_factor;        /* Scaled */
  120. };
  121.  
  122. /*
  123.  *    Scaling factor for load_average, mach_factor.
  124.  */
  125. #define    LOAD_SCALE    1000        
  126.  
  127. typedef    struct processor_set_basic_info    processor_set_basic_info_data_t;
  128. typedef struct processor_set_basic_info    *processor_set_basic_info_t;
  129. #define PROCESSOR_SET_BASIC_INFO_COUNT \
  130.         (sizeof(processor_set_basic_info_data_t)/sizeof(int))
  131.  
  132. #define PROCESSOR_SET_SCHED_INFO    2    /* scheduling info */
  133.  
  134. struct processor_set_sched_info {
  135.     int        policies;    /* allowed policies */
  136.     int        max_priority;    /* max priority for new threads */
  137. };
  138.  
  139. typedef    struct processor_set_sched_info    processor_set_sched_info_data_t;
  140. typedef struct processor_set_sched_info    *processor_set_sched_info_t;
  141. #define PROCESSOR_SET_SCHED_INFO_COUNT \
  142.         (sizeof(processor_set_sched_info_data_t)/sizeof(int))
  143.  
  144. #endif    /* _MACH_PROCESSOR_INFO_H_ */
  145.