processor_info.h (6056B) - Raw
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 */ 77 typedef integer_t *processor_info_t; /* varying array of int. */ 78 typedef integer_t *processor_info_array_t; /* varying array of int */ 79 80 #define PROCESSOR_INFO_MAX (1024) /* max array size */ 81 typedef integer_t processor_info_data_t[PROCESSOR_INFO_MAX]; 82 83 84 typedef integer_t *processor_set_info_t; /* varying array of int. */ 85 86 #define PROCESSOR_SET_INFO_MAX (1024) /* max array size */ 87 typedef integer_t processor_set_info_data_t[PROCESSOR_SET_INFO_MAX]; 88 89 /* 90 * Currently defined information. 91 */ 92 typedef 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 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 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 }; 108 109 typedef struct processor_basic_info processor_basic_info_data_t; 110 typedef 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))) 113 114 struct processor_cpu_load_info { /* number of ticks while running... */ 115 unsigned int cpu_ticks[CPU_STATE_MAX]; /* ... in the given mode */ 116 }; 117 118 typedef struct processor_cpu_load_info processor_cpu_load_info_data_t; 119 typedef 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 127 128 typedef int processor_set_flavor_t; 129 #define PROCESSOR_SET_BASIC_INFO 5 /* basic information */ 130 131 struct processor_set_basic_info { 132 int processor_count; /* How many processors */ 133 int default_policy; /* When others not enabled */ 134 }; 135 136 typedef struct processor_set_basic_info processor_set_basic_info_data_t; 137 typedef 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 */ 142 143 struct 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 }; 149 150 typedef struct processor_set_load_info processor_set_load_info_data_t; 151 typedef 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_ */