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1c79356b 1/*
b0d623f7 2 * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A
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.
8f6c56a5 14 *
2d21ac55
A
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
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
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.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
A
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
1c79356b
A
31/*
32 * Mach Operating System
33 * Copyright (c) 1991,1990,1989,1988 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/host_info.h
61 *
62 * Definitions for host_info call.
63 */
64
65#ifndef _MACH_HOST_INFO_H_
66#define _MACH_HOST_INFO_H_
67
91447636 68#include <mach/message.h>
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69#include <mach/vm_statistics.h>
70#include <mach/machine.h>
71#include <mach/machine/vm_types.h>
72#include <mach/time_value.h>
73
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74#include <sys/cdefs.h>
75
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76/*
77 * Generic information structure to allow for expansion.
78 */
79typedef integer_t *host_info_t; /* varying array of int. */
b0d623f7 80typedef integer_t *host_info64_t; /* varying array of int. */
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81
82#define HOST_INFO_MAX (1024) /* max array size */
83typedef integer_t host_info_data_t[HOST_INFO_MAX];
84
85#define KERNEL_VERSION_MAX (512)
86typedef char kernel_version_t[KERNEL_VERSION_MAX];
87
88#define KERNEL_BOOT_INFO_MAX (4096)
89typedef char kernel_boot_info_t[KERNEL_BOOT_INFO_MAX];
90
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91/*
92 * Currently defined information.
93 */
94/* host_info() */
95typedef integer_t host_flavor_t;
96#define HOST_BASIC_INFO 1 /* basic info */
97#define HOST_SCHED_INFO 3 /* scheduling info */
98#define HOST_RESOURCE_SIZES 4 /* kernel struct sizes */
99#define HOST_PRIORITY_INFO 5 /* priority information */
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100#define HOST_SEMAPHORE_TRAPS 7 /* Has semaphore traps */
101#define HOST_MACH_MSG_TRAP 8 /* Has mach_msg_trap */
1c79356b 102
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103#ifdef MACH_KERNEL_PRIVATE
104struct host_basic_info_old {
1c79356b 105 integer_t max_cpus; /* max number of cpus possible */
2d21ac55 106 uint32_t avail_cpus; /* number of cpus now available */
91447636 107 natural_t memory_size; /* size of memory in bytes */
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108 cpu_type_t cpu_type; /* cpu type */
109 cpu_subtype_t cpu_subtype; /* cpu subtype */
110};
111
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112typedef struct host_basic_info_old host_basic_info_data_old_t;
113typedef struct host_basic_info_old *host_basic_info_old_t;
114#define HOST_BASIC_INFO_OLD_COUNT ((mach_msg_type_number_t) \
115 (sizeof(host_basic_info_data_old_t)/sizeof(integer_t)))
116#endif
117
0c530ab8 118#pragma pack(4)
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119
120struct host_basic_info {
121 integer_t max_cpus; /* max number of CPUs possible */
122 integer_t avail_cpus; /* number of CPUs now available */
123 natural_t memory_size; /* size of memory in bytes, capped at 2 GB */
124 cpu_type_t cpu_type; /* cpu type */
125 cpu_subtype_t cpu_subtype; /* cpu subtype */
126 cpu_threadtype_t cpu_threadtype; /* cpu threadtype */
127 integer_t physical_cpu; /* number of physical CPUs now available */
128 integer_t physical_cpu_max; /* max number of physical CPUs possible */
129 integer_t logical_cpu; /* number of logical cpu now available */
130 integer_t logical_cpu_max; /* max number of physical CPUs possible */
131 uint64_t max_mem; /* actual size of physical memory */
132};
133
0c530ab8 134#pragma pack()
91447636 135
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136typedef struct host_basic_info host_basic_info_data_t;
137typedef struct host_basic_info *host_basic_info_t;
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138#define HOST_BASIC_INFO_COUNT ((mach_msg_type_number_t) \
139 (sizeof(host_basic_info_data_t)/sizeof(integer_t)))
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140
141struct host_sched_info {
142 integer_t min_timeout; /* minimum timeout in milliseconds */
143 integer_t min_quantum; /* minimum quantum in milliseconds */
144};
145
146typedef struct host_sched_info host_sched_info_data_t;
147typedef struct host_sched_info *host_sched_info_t;
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148#define HOST_SCHED_INFO_COUNT ((mach_msg_type_number_t) \
149 (sizeof(host_sched_info_data_t)/sizeof(integer_t)))
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150
151struct kernel_resource_sizes {
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152 natural_t task;
153 natural_t thread;
154 natural_t port;
155 natural_t memory_region;
156 natural_t memory_object;
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157};
158
159typedef struct kernel_resource_sizes kernel_resource_sizes_data_t;
160typedef struct kernel_resource_sizes *kernel_resource_sizes_t;
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161#define HOST_RESOURCE_SIZES_COUNT ((mach_msg_type_number_t) \
162 (sizeof(kernel_resource_sizes_data_t)/sizeof(integer_t)))
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163
164struct host_priority_info {
165 integer_t kernel_priority;
166 integer_t system_priority;
167 integer_t server_priority;
168 integer_t user_priority;
169 integer_t depress_priority;
170 integer_t idle_priority;
171 integer_t minimum_priority;
172 integer_t maximum_priority;
173};
174
175typedef struct host_priority_info host_priority_info_data_t;
176typedef struct host_priority_info *host_priority_info_t;
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177#define HOST_PRIORITY_INFO_COUNT ((mach_msg_type_number_t) \
178 (sizeof(host_priority_info_data_t)/sizeof(integer_t)))
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179
180/* host_statistics() */
181#define HOST_LOAD_INFO 1 /* System loading stats */
182#define HOST_VM_INFO 2 /* Virtual memory stats */
183#define HOST_CPU_LOAD_INFO 3 /* CPU load stats */
184
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185/* host_statistics64() */
186#define HOST_VM_INFO64 4 /* 64-bit virtual memory stats */
6d2010ae 187#define HOST_EXTMOD_INFO64 5 /* External modification stats */
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188
189
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190struct host_load_info {
191 integer_t avenrun[3]; /* scaled by LOAD_SCALE */
192 integer_t mach_factor[3]; /* scaled by LOAD_SCALE */
193};
194
195typedef struct host_load_info host_load_info_data_t;
196typedef struct host_load_info *host_load_info_t;
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197#define HOST_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
198 (sizeof(host_load_info_data_t)/sizeof(integer_t)))
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199
200/* in <mach/vm_statistics.h> */
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201/* vm_statistics64 */
202#define HOST_VM_INFO64_COUNT ((mach_msg_type_number_t) \
203 (sizeof(vm_statistics64_data_t)/sizeof(integer_t)))
204
205/* size of the latest version of the structure */
206#define HOST_VM_INFO64_LATEST_COUNT HOST_VM_INFO64_COUNT
207
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208/* in <mach/vm_statistics.h> */
209/* vm_extmod_statistics */
210#define HOST_EXTMOD_INFO64_COUNT ((mach_msg_type_number_t) \
211 (sizeof(vm_extmod_statistics_data_t)/sizeof(integer_t)))
212
213/* size of the latest version of the structure */
214#define HOST_EXTMOD_INFO64_LATEST_COUNT HOST_EXTMOD_INFO64_COUNT
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215
216/* vm_statistics */
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217#define HOST_VM_INFO_COUNT ((mach_msg_type_number_t) \
218 (sizeof(vm_statistics_data_t)/sizeof(integer_t)))
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219
220/* size of the latest version of the structure */
221#define HOST_VM_INFO_LATEST_COUNT HOST_VM_INFO_COUNT
b0d623f7 222#define HOST_VM_INFO_REV2_COUNT HOST_VM_INFO_LATEST_COUNT
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223/* previous versions: adjust the size according to what was added each time */
224#define HOST_VM_INFO_REV1_COUNT /* added "speculative_count" (1 int) */ \
225 ((mach_msg_type_number_t) \
226 (HOST_VM_INFO_REV2_COUNT - 1))
227#define HOST_VM_INFO_REV0_COUNT /* added "purgable" info (2 ints) */ \
228 ((mach_msg_type_number_t) \
229 (HOST_VM_INFO_REV1_COUNT - 2))
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230
231struct host_cpu_load_info { /* number of ticks while running... */
91447636 232 natural_t cpu_ticks[CPU_STATE_MAX]; /* ... in the given mode */
1c79356b 233};
91447636 234
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235typedef struct host_cpu_load_info host_cpu_load_info_data_t;
236typedef struct host_cpu_load_info *host_cpu_load_info_t;
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237#define HOST_CPU_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
238 (sizeof (host_cpu_load_info_data_t) / sizeof (integer_t)))
1c79356b 239
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240#ifdef PRIVATE
241/*
242 * CPU Statistics information
243 */
244struct _processor_statistics_np {
245 int32_t ps_cpuid;
246
247 uint32_t ps_csw_count;
248 uint32_t ps_preempt_count;
249 uint32_t ps_preempted_rt_count;
250 uint32_t ps_preempted_by_rt_count;
251
252 uint32_t ps_rt_sched_count;
253
254 uint32_t ps_interrupt_count;
255 uint32_t ps_ipi_count;
256 uint32_t ps_timer_pop_count;
257
258 uint64_t ps_runq_count_sum __attribute((aligned(8)));
259
260 uint32_t ps_idle_transitions;
261
262};
263
264#endif /* PRIVATE */
265
266#ifdef KERNEL_PRIVATE
267
268extern kern_return_t set_sched_stats_active(
269 boolean_t active);
270
271extern kern_return_t get_sched_statistics(
272 struct _processor_statistics_np *out,
273 uint32_t *count);
274#endif /* KERNEL_PRIVATE */
275
276
1c79356b 277#endif /* _MACH_HOST_INFO_H_ */