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Annotation of kernel/mach/processor_info.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* 
        !            26:  * Mach Operating System
        !            27:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
        !            28:  * All Rights Reserved.
        !            29:  * 
        !            30:  * Permission to use, copy, modify and distribute this software and its
        !            31:  * documentation is hereby granted, provided that both the copyright
        !            32:  * notice and this permission notice appear in all copies of the
        !            33:  * software, derivative works or modified versions, and any portions
        !            34:  * thereof, and that both notices appear in supporting documentation.
        !            35:  * 
        !            36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            39:  * 
        !            40:  * Carnegie Mellon requests users of this software to return to
        !            41:  * 
        !            42:  *  Software Distribution Coordinator  or  [email protected]
        !            43:  *  School of Computer Science
        !            44:  *  Carnegie Mellon University
        !            45:  *  Pittsburgh PA 15213-3890
        !            46:  * 
        !            47:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            48:  * the rights to redistribute these changes.
        !            49:  */
        !            50: 
        !            51: /*
        !            52:  *     File:   mach/processor_info.h
        !            53:  *     Author: David L. Black
        !            54:  *     Date:   1988
        !            55:  *
        !            56:  *     Data structure definitions for processor_info, processor_set_info
        !            57:  */
        !            58: 
        !            59: #ifndef        _MACH_PROCESSOR_INFO_H_
        !            60: #define _MACH_PROCESSOR_INFO_H_
        !            61: 
        !            62: #import <mach/machine.h>
        !            63: 
        !            64: /*
        !            65:  *     Generic information structure to allow for expansion.
        !            66:  */
        !            67: typedef integer_t      *processor_info_t;      /* varying array of int. */
        !            68: 
        !            69: #define PROCESSOR_INFO_MAX     (1024)  /* max array size */
        !            70: typedef integer_t      processor_info_data_t[PROCESSOR_INFO_MAX];
        !            71: 
        !            72: 
        !            73: typedef integer_t      *processor_set_info_t;  /* varying array of int. */
        !            74: 
        !            75: #define PROCESSOR_SET_INFO_MAX (1024)  /* max array size */
        !            76: typedef integer_t      processor_set_info_data_t[PROCESSOR_SET_INFO_MAX];
        !            77: 
        !            78: /*
        !            79:  *     Currently defined information.
        !            80:  */
        !            81: #define        PROCESSOR_BASIC_INFO    1               /* basic information */
        !            82: 
        !            83: struct processor_basic_info {
        !            84:        cpu_type_t      cpu_type;       /* type of cpu */
        !            85:        cpu_subtype_t   cpu_subtype;    /* subtype of cpu */
        !            86: /*boolean_t*/integer_t running;        /* is processor running */
        !            87:        integer_t       slot_num;       /* slot number */
        !            88: /*boolean_t*/integer_t is_master;      /* is this the master processor */
        !            89: };
        !            90: 
        !            91: typedef        struct processor_basic_info     processor_basic_info_data_t;
        !            92: typedef struct processor_basic_info    *processor_basic_info_t;
        !            93: #define PROCESSOR_BASIC_INFO_COUNT \
        !            94:                (sizeof(processor_basic_info_data_t)/sizeof(natural_t))
        !            95: 
        !            96: 
        !            97: #define        PROCESSOR_SET_BASIC_INFO        1       /* basic information */
        !            98: 
        !            99: struct processor_set_basic_info {
        !           100:        int             processor_count;        /* How many processors */
        !           101:        int             task_count;             /* How many tasks */
        !           102:        int             thread_count;           /* How many threads */
        !           103:        int             load_average;           /* Scaled */
        !           104:        int             mach_factor;            /* Scaled */
        !           105: };
        !           106: 
        !           107: /*
        !           108:  *     Scaling factor for load_average, mach_factor.
        !           109:  */
        !           110: #define        LOAD_SCALE      1000            
        !           111: 
        !           112: typedef        struct processor_set_basic_info processor_set_basic_info_data_t;
        !           113: typedef struct processor_set_basic_info        *processor_set_basic_info_t;
        !           114: #define PROCESSOR_SET_BASIC_INFO_COUNT \
        !           115:                (sizeof(processor_set_basic_info_data_t)/sizeof(int))
        !           116: 
        !           117: #define PROCESSOR_SET_SCHED_INFO       2       /* scheduling info */
        !           118: 
        !           119: struct processor_set_sched_info {
        !           120:        int             policies;       /* allowed policies */
        !           121:        int             max_priority;   /* max priority for new threads */
        !           122: };
        !           123: 
        !           124: typedef        struct processor_set_sched_info processor_set_sched_info_data_t;
        !           125: typedef struct processor_set_sched_info        *processor_set_sched_info_t;
        !           126: #define PROCESSOR_SET_SCHED_INFO_COUNT \
        !           127:                (sizeof(processor_set_sched_info_data_t)/sizeof(int))
        !           128: 
        !           129: #endif /* _MACH_PROCESSOR_INFO_H_ */

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