master
1/*
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * Mach Operating System
33 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
34 * All Rights Reserved.
35 *
36 * Permission to use, copy, modify and distribute this software and its
37 * documentation is hereby granted, provided that both the copyright
38 * notice and this permission notice appear in all copies of the
39 * software, derivative works or modified versions, and any portions
40 * thereof, and that both notices appear in supporting documentation.
41 *
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45 *
46 * Carnegie Mellon requests users of this software to return to
47 *
48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
49 * School of Computer Science
50 * Carnegie Mellon University
51 * Pittsburgh PA 15213-3890
52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
54 * the rights to redistribute these changes.
55 */
56/*
57 */
58
59/*
60 * File: mach/processor_info.h
61 * Author: David L. Black
62 * Date: 1988
63 *
64 * Data structure definitions for processor_info, processor_set_info
65 */
66
67#ifndef _MACH_PROCESSOR_INFO_H_
68#define _MACH_PROCESSOR_INFO_H_
69
70#include <mach/message.h>
71#include <mach/machine.h>
72#include <mach/machine/processor_info.h>
73
74/*
75 * Generic information structure to allow for expansion.
76 */
77typedef integer_t *processor_info_t; /* varying array of int. */
78typedef integer_t *processor_info_array_t; /* varying array of int */
79
80#define PROCESSOR_INFO_MAX (1024) /* max array size */
81typedef integer_t processor_info_data_t[PROCESSOR_INFO_MAX];
82
83
84typedef integer_t *processor_set_info_t; /* varying array of int. */
85
86#define PROCESSOR_SET_INFO_MAX (1024) /* max array size */
87typedef integer_t processor_set_info_data_t[PROCESSOR_SET_INFO_MAX];
88
89/*
90 * Currently defined information.
91 */
92typedef int processor_flavor_t;
93#define PROCESSOR_BASIC_INFO 1 /* basic information */
94#define PROCESSOR_CPU_LOAD_INFO 2 /* cpu load information */
95#define PROCESSOR_PM_REGS_INFO 0x10000001 /* performance monitor register info */
96#define PROCESSOR_TEMPERATURE 0x10000002 /* Processor core temperature */
97
98struct processor_basic_info {
99 cpu_type_t cpu_type; /* type of cpu */
100 cpu_subtype_t cpu_subtype; /* subtype of cpu */
101 boolean_t running; /* is processor running */
102 int slot_num; /* slot number */
103 union {
104 boolean_t is_master; /* deprecated */
105 boolean_t is_main; /* is this the main processor */
106 };
107};
108
109typedef struct processor_basic_info processor_basic_info_data_t;
110typedef struct processor_basic_info *processor_basic_info_t;
111#define PROCESSOR_BASIC_INFO_COUNT ((mach_msg_type_number_t) \
112 (sizeof(processor_basic_info_data_t)/sizeof(natural_t)))
113
114struct processor_cpu_load_info { /* number of ticks while running... */
115 unsigned int cpu_ticks[CPU_STATE_MAX]; /* ... in the given mode */
116};
117
118typedef struct processor_cpu_load_info processor_cpu_load_info_data_t;
119typedef struct processor_cpu_load_info *processor_cpu_load_info_t;
120#define PROCESSOR_CPU_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
121 (sizeof(processor_cpu_load_info_data_t)/sizeof(natural_t)))
122
123/*
124 * Scaling factor for load_average, mach_factor.
125 */
126#define LOAD_SCALE 1000
127
128typedef int processor_set_flavor_t;
129#define PROCESSOR_SET_BASIC_INFO 5 /* basic information */
130
131struct processor_set_basic_info {
132 int processor_count; /* How many processors */
133 int default_policy; /* When others not enabled */
134};
135
136typedef struct processor_set_basic_info processor_set_basic_info_data_t;
137typedef struct processor_set_basic_info *processor_set_basic_info_t;
138#define PROCESSOR_SET_BASIC_INFO_COUNT ((mach_msg_type_number_t) \
139 (sizeof(processor_set_basic_info_data_t)/sizeof(natural_t)))
140
141#define PROCESSOR_SET_LOAD_INFO 4 /* scheduling statistics */
142
143struct processor_set_load_info {
144 int task_count; /* How many tasks */
145 int thread_count; /* How many threads */
146 integer_t load_average; /* Scaled */
147 integer_t mach_factor; /* Scaled */
148};
149
150typedef struct processor_set_load_info processor_set_load_info_data_t;
151typedef struct processor_set_load_info *processor_set_load_info_t;
152#define PROCESSOR_SET_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
153 (sizeof(processor_set_load_info_data_t)/sizeof(natural_t)))
154
155
156#endif /* _MACH_PROCESSOR_INFO_H_ */