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Annotation of kernel/mach/host_info.h, revision 1.1.1.1

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) 1991,1990,1989,1988 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/host_info.h
                     53:  *
                     54:  *     Definitions for host_info call.
                     55:  */
                     56: 
                     57: #ifndef        _MACH_HOST_INFO_H_
                     58: #define        _MACH_HOST_INFO_H_
                     59: 
                     60: #import <mach/machine.h>
                     61: #import <mach/machine/vm_types.h>
                     62: 
                     63: /*
                     64:  *     Generic information structure to allow for expansion.
                     65:  */
                     66: typedef integer_t      *host_info_t;           /* varying array of int. */
                     67: 
                     68: #define        HOST_INFO_MAX   (1024)          /* max array size */
                     69: typedef integer_t      host_info_data_t[HOST_INFO_MAX];
                     70: 
                     71: #define KERNEL_VERSION_MAX (512)
                     72: typedef char   kernel_version_t[KERNEL_VERSION_MAX];
                     73: /*
                     74:  *     Currently defined information.
                     75:  */
                     76: #define HOST_BASIC_INFO                1       /* basic info */
                     77: #define HOST_PROCESSOR_SLOTS   2       /* processor slot numbers */
                     78: #define HOST_SCHED_INFO                3       /* scheduling info */
                     79: #define        HOST_LOAD_INFO          4       /* avenrun/mach_factor info */
                     80: 
                     81: struct host_basic_info {
                     82:        integer_t       max_cpus;       /* max number of cpus possible */
                     83:        integer_t       avail_cpus;     /* number of cpus now available */
                     84:        vm_size_t       memory_size;    /* size of memory in bytes */
                     85:        cpu_type_t      cpu_type;       /* cpu type */
                     86:        cpu_subtype_t   cpu_subtype;    /* cpu subtype */
                     87: };
                     88: 
                     89: typedef        struct host_basic_info  host_basic_info_data_t;
                     90: typedef struct host_basic_info *host_basic_info_t;
                     91: #define HOST_BASIC_INFO_COUNT \
                     92:                (sizeof(host_basic_info_data_t)/sizeof(natural_t))
                     93: 
                     94: struct host_sched_info {
                     95:        int             min_timeout;    /* minimum timeout in milliseconds */
                     96:        int             min_quantum;    /* minimum quantum in milliseconds */
                     97: };
                     98: 
                     99: typedef        struct host_sched_info  host_sched_info_data_t;
                    100: typedef struct host_sched_info *host_sched_info_t;
                    101: #define HOST_SCHED_INFO_COUNT \
                    102:                (sizeof(host_sched_info_data_t)/sizeof(int))
                    103: 
                    104: struct host_load_info {
                    105:        integer_t       avenrun[3];     /* scaled by LOAD_SCALE */
                    106:        integer_t       mach_factor[3]; /* scaled by LOAD_SCALE */
                    107: };
                    108: 
                    109: typedef struct host_load_info  host_load_info_data_t;
                    110: typedef struct host_load_info  *host_load_info_t;
                    111: #define        HOST_LOAD_INFO_COUNT \
                    112:                (sizeof(host_load_info_data_t)/sizeof(natural_t))
                    113: 
                    114: #endif /* _MACH_HOST_INFO_H_ */

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