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34 * Mach Operating System
35 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
36 * All Rights Reserved.
38 * Permission to use, copy, modify and distribute this software and its
39 * documentation is hereby granted, provided that both the copyright
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46 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
48 * Carnegie Mellon requests users of this software to return to
50 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
51 * School of Computer Science
52 * Carnegie Mellon University
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55 * any improvements or extensions that they make and grant Carnegie Mellon
56 * the rights to redistribute these changes.
62 * File: mach/host_info.h
64 * Definitions for host_info call.
67 #ifndef _MACH_HOST_INFO_H_
68 #define _MACH_HOST_INFO_H_
70 #include <mach/message.h>
71 #include <mach/vm_statistics.h>
72 #include <mach/machine.h>
73 #include <mach/machine/vm_types.h>
74 #include <mach/time_value.h>
76 #include <sys/cdefs.h>
79 * Generic information structure to allow for expansion.
81 typedef integer_t
*host_info_t
; /* varying array of int. */
83 #define HOST_INFO_MAX (1024) /* max array size */
84 typedef integer_t host_info_data_t
[HOST_INFO_MAX
];
86 #define KERNEL_VERSION_MAX (512)
87 typedef char kernel_version_t
[KERNEL_VERSION_MAX
];
89 #define KERNEL_BOOT_INFO_MAX (4096)
90 typedef char kernel_boot_info_t
[KERNEL_BOOT_INFO_MAX
];
93 * Currently defined information.
96 typedef integer_t host_flavor_t
;
97 #define HOST_BASIC_INFO 1 /* basic info */
98 #define HOST_SCHED_INFO 3 /* scheduling info */
99 #define HOST_RESOURCE_SIZES 4 /* kernel struct sizes */
100 #define HOST_PRIORITY_INFO 5 /* priority information */
101 #define HOST_SEMAPHORE_TRAPS 7 /* Has semaphore traps */
102 #define HOST_MACH_MSG_TRAP 8 /* Has mach_msg_trap */
104 #ifdef MACH_KERNEL_PRIVATE
105 struct host_basic_info_old
{
106 integer_t max_cpus
; /* max number of cpus possible */
107 integer_t avail_cpus
; /* number of cpus now available */
108 natural_t memory_size
; /* size of memory in bytes */
109 cpu_type_t cpu_type
; /* cpu type */
110 cpu_subtype_t cpu_subtype
; /* cpu subtype */
113 typedef struct host_basic_info_old host_basic_info_data_old_t
;
114 typedef struct host_basic_info_old
*host_basic_info_old_t
;
115 #define HOST_BASIC_INFO_OLD_COUNT ((mach_msg_type_number_t) \
116 (sizeof(host_basic_info_data_old_t)/sizeof(integer_t)))
121 struct host_basic_info
{
122 integer_t max_cpus
; /* max number of CPUs possible */
123 integer_t avail_cpus
; /* number of CPUs now available */
124 natural_t memory_size
; /* size of memory in bytes, capped at 2 GB */
125 cpu_type_t cpu_type
; /* cpu type */
126 cpu_subtype_t cpu_subtype
; /* cpu subtype */
127 cpu_threadtype_t cpu_threadtype
; /* cpu threadtype */
128 integer_t physical_cpu
; /* number of physical CPUs now available */
129 integer_t physical_cpu_max
; /* max number of physical CPUs possible */
130 integer_t logical_cpu
; /* number of logical cpu now available */
131 integer_t logical_cpu_max
; /* max number of physical CPUs possible */
132 uint64_t max_mem
; /* actual size of physical memory */
137 typedef struct host_basic_info host_basic_info_data_t
;
138 typedef struct host_basic_info
*host_basic_info_t
;
139 #define HOST_BASIC_INFO_COUNT ((mach_msg_type_number_t) \
140 (sizeof(host_basic_info_data_t)/sizeof(integer_t)))
142 struct host_sched_info
{
143 integer_t min_timeout
; /* minimum timeout in milliseconds */
144 integer_t min_quantum
; /* minimum quantum in milliseconds */
147 typedef struct host_sched_info host_sched_info_data_t
;
148 typedef struct host_sched_info
*host_sched_info_t
;
149 #define HOST_SCHED_INFO_COUNT ((mach_msg_type_number_t) \
150 (sizeof(host_sched_info_data_t)/sizeof(integer_t)))
152 struct kernel_resource_sizes
{
156 natural_t memory_region
;
157 natural_t memory_object
;
160 typedef struct kernel_resource_sizes kernel_resource_sizes_data_t
;
161 typedef struct kernel_resource_sizes
*kernel_resource_sizes_t
;
162 #define HOST_RESOURCE_SIZES_COUNT ((mach_msg_type_number_t) \
163 (sizeof(kernel_resource_sizes_data_t)/sizeof(integer_t)))
165 struct host_priority_info
{
166 integer_t kernel_priority
;
167 integer_t system_priority
;
168 integer_t server_priority
;
169 integer_t user_priority
;
170 integer_t depress_priority
;
171 integer_t idle_priority
;
172 integer_t minimum_priority
;
173 integer_t maximum_priority
;
176 typedef struct host_priority_info host_priority_info_data_t
;
177 typedef struct host_priority_info
*host_priority_info_t
;
178 #define HOST_PRIORITY_INFO_COUNT ((mach_msg_type_number_t) \
179 (sizeof(host_priority_info_data_t)/sizeof(integer_t)))
181 /* host_statistics() */
182 #define HOST_LOAD_INFO 1 /* System loading stats */
183 #define HOST_VM_INFO 2 /* Virtual memory stats */
184 #define HOST_CPU_LOAD_INFO 3 /* CPU load stats */
186 struct host_load_info
{
187 integer_t avenrun
[3]; /* scaled by LOAD_SCALE */
188 integer_t mach_factor
[3]; /* scaled by LOAD_SCALE */
191 typedef struct host_load_info host_load_info_data_t
;
192 typedef struct host_load_info
*host_load_info_t
;
193 #define HOST_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
194 (sizeof(host_load_info_data_t)/sizeof(integer_t)))
196 /* in <mach/vm_statistics.h> */
197 #define HOST_VM_INFO_COUNT ((mach_msg_type_number_t) \
198 (sizeof(vm_statistics_data_t)/sizeof(integer_t)))
199 #define HOST_VM_INFO_REV0_COUNT ((mach_msg_type_number_t) \
200 (sizeof(vm_statistics_rev0_data_t)/sizeof(integer_t)))
202 struct host_cpu_load_info
{ /* number of ticks while running... */
203 natural_t cpu_ticks
[CPU_STATE_MAX
]; /* ... in the given mode */
206 typedef struct host_cpu_load_info host_cpu_load_info_data_t
;
207 typedef struct host_cpu_load_info
*host_cpu_load_info_t
;
208 #define HOST_CPU_LOAD_INFO_COUNT ((mach_msg_type_number_t) \
209 (sizeof (host_cpu_load_info_data_t) / sizeof (integer_t)))
211 #endif /* _MACH_HOST_INFO_H_ */