1/*
2 * Copyright (c) 2000-2015 Apple 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) 1991,1990,1989,1988 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 * File: mach/host_info.h
59 *
60 * Definitions for host_info call.
61 */
62
63#ifndef _MACH_HOST_INFO_H_
64#define _MACH_HOST_INFO_H_
65
66#include <mach/message.h>
67#include <mach/vm_statistics.h>
68#include <mach/machine.h>
69#include <mach/machine/vm_types.h>
70#include <mach/time_value.h>
71
72#include <sys/cdefs.h>
73
74/*
75 * Generic information structure to allow for expansion.
76 */
77typedef integer_t *host_info_t; /* varying array of int. */
78typedef integer_t *host_info64_t; /* varying array of int. */
79
80#define HOST_INFO_MAX (1024) /* max array size */
81typedef integer_t host_info_data_t[HOST_INFO_MAX];
82
83#define KERNEL_VERSION_MAX (512)
84typedef char kernel_version_t[KERNEL_VERSION_MAX];
85
86#define KERNEL_BOOT_INFO_MAX (4096)
87typedef char kernel_boot_info_t[KERNEL_BOOT_INFO_MAX];
88
89/*
90 * Currently defined information.
91 */
92/* host_info() */
93typedef integer_t host_flavor_t;
94#define HOST_BASIC_INFO 1 /* basic info */
95#define HOST_SCHED_INFO 3 /* scheduling info */
96#define HOST_RESOURCE_SIZES 4 /* kernel struct sizes */
97#define HOST_PRIORITY_INFO 5 /* priority information */
98#define HOST_SEMAPHORE_TRAPS 7 /* Has semaphore traps */
99#define HOST_MACH_MSG_TRAP 8 /* Has mach_msg_trap */
100#define HOST_VM_PURGABLE 9 /* purg'e'able memory info */
101#define HOST_DEBUG_INFO_INTERNAL 10 /* Used for kernel internal development tests only */
102#define HOST_CAN_HAS_DEBUGGER 11
103#define HOST_PREFERRED_USER_ARCH 12 /* Get the preferred user-space architecture */
104
105#ifdef MACH_KERNEL_PRIVATE
106struct host_basic_info_old {
107 integer_t max_cpus; /* max number of cpus possible */
108 uint32_t avail_cpus; /* number of cpus now available */
109 natural_t memory_size; /* size of memory in bytes */
110 cpu_type_t cpu_type; /* cpu type */
111 cpu_subtype_t cpu_subtype; /* cpu subtype */
112};
113
114typedef struct host_basic_info_old host_basic_info_data_old_t;
115typedef struct host_basic_info_old *host_basic_info_old_t;
116#define HOST_BASIC_INFO_OLD_COUNT ((mach_msg_type_number_t) \
117 (sizeof(host_basic_info_data_old_t)/sizeof(integer_t)))
118#endif /* MACH_KERNEL_PRIVATE */
119
120struct host_can_has_debugger_info {
121 boolean_t can_has_debugger;
122};
123typedef struct host_can_has_debugger_info host_can_has_debugger_info_data_t;
124typedef struct host_can_has_debugger_info *host_can_has_debugger_info_t;
125#define HOST_CAN_HAS_DEBUGGER_COUNT ((mach_msg_type_number_t) \
126 (sizeof(host_can_has_debugger_info_data_t)/sizeof(integer_t)))
127
128#pragma pack(push, 4)
129
130struct host_basic_info {
131 integer_t max_cpus; /* max number of CPUs possible */
132 integer_t avail_cpus; /* number of CPUs now available */
133 natural_t memory_size; /* size of memory in bytes, capped at 2 GB */
134 cpu_type_t cpu_type; /* cpu type */
135 cpu_subtype_t cpu_subtype; /* cpu subtype */
136 cpu_threadtype_t cpu_threadtype; /* cpu threadtype */
137 integer_t physical_cpu; /* number of physical CPUs now available */
138 integer_t physical_cpu_max; /* max number of physical CPUs possible */
139 integer_t logical_cpu; /* number of logical cpu now available */
140 integer_t logical_cpu_max; /* max number of physical CPUs possible */
141 uint64_t max_mem; /* actual size of physical memory */
142};
143
144#pragma pack(pop)
145
146typedef struct host_basic_info host_basic_info_data_t;
147typedef struct host_basic_info *host_basic_info_t;
148#define HOST_BASIC_INFO_COUNT ((mach_msg_type_number_t) \
149 (sizeof(host_basic_info_data_t)/sizeof(integer_t)))
150
151struct host_sched_info {
152 integer_t min_timeout; /* minimum timeout in milliseconds */
153 integer_t min_quantum; /* minimum quantum in milliseconds */
154};
155
156typedef struct host_sched_info host_sched_info_data_t;
157typedef struct host_sched_info *host_sched_info_t;
158#define HOST_SCHED_INFO_COUNT ((mach_msg_type_number_t) \
159 (sizeof(host_sched_info_data_t)/sizeof(integer_t)))
160
161struct kernel_resource_sizes {
162 natural_t task;
163 natural_t thread;
164 natural_t port;
165 natural_t memory_region;
166 natural_t memory_object;
167};
168
169typedef struct kernel_resource_sizes kernel_resource_sizes_data_t;
170typedef struct kernel_resource_sizes *kernel_resource_sizes_t;
171#define HOST_RESOURCE_SIZES_COUNT ((mach_msg_type_number_t) \
172 (sizeof(kernel_resource_sizes_data_t)/sizeof(integer_t)))
173
174struct host_priority_info {
175 integer_t kernel_priority;
176 integer_t system_priority;
177 integer_t server_priority;
178 integer_t user_priority;
179 integer_t depress_priority;
180 integer_t idle_priority;
181 integer_t minimum_priority;
182 integer_t maximum_priority;
183};
184
185typedef struct host_priority_info host_priority_info_data_t;
186typedef struct host_priority_info *host_priority_info_t;
187#define HOST_PRIORITY_INFO_COUNT ((mach_msg_type_number_t) \
188 (sizeof(host_priority_info_data_t)/sizeof(integer_t)))
189
190/* host_statistics() */
191#define HOST_LOAD_INFO 1 /* System loading stats */
192#define HOST_VM_INFO 2 /* Virtual memory stats */
193#define HOST_CPU_LOAD_INFO 3 /* CPU load stats */
194
195/* host_statistics64() */
196#define HOST_VM_INFO64 4 /* 64-bit virtual memory stats */
197#define HOST_EXTMOD_INFO64 5 /* External modification stats */
198#define HOST_EXPIRED_TASK_INFO 6 /* Statistics for expired tasks */
199
200#ifdef XNU_KERNEL_PRIVATE
201void host_statistics_init(void);
202#endif
203
204struct host_load_info {
205 integer_t avenrun[3]; /* scaled by LOAD_SCALE */
206 integer_t mach_factor[3]; /* scaled by LOAD_SCALE */
207};
208
209typedef struct host_load_info host_load_info_data_t;
210typedef struct host_load_info *host_load_info_t;
211#define HOST_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
212 (sizeof(host_load_info_data_t)/sizeof(integer_t)))
213
214typedef struct vm_purgeable_info host_purgable_info_data_t;
215typedef struct vm_purgeable_info *host_purgable_info_t;
216#define HOST_VM_PURGABLE_COUNT ((mach_msg_type_number_t) \
217 (sizeof(host_purgable_info_data_t)/sizeof(integer_t)))
218
219/* in <mach/vm_statistics.h> */
220/* vm_statistics64 */
221#define HOST_VM_INFO64_COUNT ((mach_msg_type_number_t) \
222 (sizeof(vm_statistics64_data_t)/sizeof(integer_t)))
223
224/* size of the latest version of the structure */
225#define HOST_VM_INFO64_LATEST_COUNT HOST_VM_INFO64_COUNT
226#define HOST_VM_INFO64_REV1_COUNT HOST_VM_INFO64_LATEST_COUNT
227/* previous versions: adjust the size according to what was added each time */
228#define HOST_VM_INFO64_REV0_COUNT /* added compression and swapper info (14 ints) */ \
229 ((mach_msg_type_number_t) \
230 (HOST_VM_INFO64_REV1_COUNT - 14))
231
232/* in <mach/vm_statistics.h> */
233/* vm_extmod_statistics */
234#define HOST_EXTMOD_INFO64_COUNT ((mach_msg_type_number_t) \
235 (sizeof(vm_extmod_statistics_data_t)/sizeof(integer_t)))
236
237/* size of the latest version of the structure */
238#define HOST_EXTMOD_INFO64_LATEST_COUNT HOST_EXTMOD_INFO64_COUNT
239
240/* vm_statistics */
241#define HOST_VM_INFO_COUNT ((mach_msg_type_number_t) \
242 (sizeof(vm_statistics_data_t)/sizeof(integer_t)))
243
244/* size of the latest version of the structure */
245#define HOST_VM_INFO_LATEST_COUNT HOST_VM_INFO_COUNT
246#define HOST_VM_INFO_REV2_COUNT HOST_VM_INFO_LATEST_COUNT
247/* previous versions: adjust the size according to what was added each time */
248#define HOST_VM_INFO_REV1_COUNT /* added "speculative_count" (1 int) */ \
249 ((mach_msg_type_number_t) \
250 (HOST_VM_INFO_REV2_COUNT - 1))
251#define HOST_VM_INFO_REV0_COUNT /* added "purgable" info (2 ints) */ \
252 ((mach_msg_type_number_t) \
253 (HOST_VM_INFO_REV1_COUNT - 2))
254
255struct host_cpu_load_info { /* number of ticks while running... */
256 natural_t cpu_ticks[CPU_STATE_MAX]; /* ... in the given mode */
257};
258
259typedef struct host_cpu_load_info host_cpu_load_info_data_t;
260typedef struct host_cpu_load_info *host_cpu_load_info_t;
261#define HOST_CPU_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
262 (sizeof (host_cpu_load_info_data_t) / sizeof (integer_t)))
263
264struct host_preferred_user_arch {
265 cpu_type_t cpu_type; /* Preferred user-space cpu type */
266 cpu_subtype_t cpu_subtype; /* Preferred user-space cpu subtype */
267};
268
269typedef struct host_preferred_user_arch host_preferred_user_arch_data_t;
270typedef struct host_preferred_user_arch *host_preferred_user_arch_t;
271#define HOST_PREFERRED_USER_ARCH_COUNT ((mach_msg_type_number_t) \
272 (sizeof(host_preferred_user_arch_data_t)/sizeof(integer_t)))
273
274#ifdef PRIVATE
275/*
276 * CPU Statistics information
277 */
278struct _processor_statistics_np {
279 int32_t ps_cpuid;
280
281 uint32_t ps_csw_count;
282 uint32_t ps_preempt_count;
283 uint32_t ps_preempted_rt_count;
284 uint32_t ps_preempted_by_rt_count;
285
286 uint32_t ps_rt_sched_count;
287
288 uint32_t ps_interrupt_count;
289 uint32_t ps_ipi_count;
290 uint32_t ps_timer_pop_count;
291
292 uint64_t ps_runq_count_sum __attribute((aligned(8)));
293
294 uint32_t ps_idle_transitions;
295 uint32_t ps_quantum_timer_expirations;
296};
297
298struct host_debug_info_internal {
299 uint64_t config_bank:1, /* built configurations */
300 config_atm:1,
301 config_csr:1,
302 config_coalitions:1,
303 config_unused:60;
304};
305
306typedef struct host_debug_info_internal *host_debug_info_internal_t;
307typedef struct host_debug_info_internal host_debug_info_internal_data_t;
308#define HOST_DEBUG_INFO_INTERNAL_COUNT ((mach_msg_type_number_t)\
309 (sizeof (host_debug_info_internal_data_t) / sizeof(integer_t)))
310
311#endif /* PRIVATE */
312
313#ifdef KERNEL_PRIVATE
314
315extern kern_return_t set_sched_stats_active(
316 boolean_t active);
317
318extern kern_return_t get_sched_statistics(
319 struct _processor_statistics_np *out,
320 uint32_t *count);
321#endif /* KERNEL_PRIVATE */
322
323
324#endif /* _MACH_HOST_INFO_H_ */
325