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 [email protected] 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 */ 77 typedef integer_t *host_info_t; /* varying array of int. */ 78 typedef integer_t *host_info64_t; /* varying array of int. */ 79 80 #define HOST_INFO_MAX (1024) /* max array size */ 81 typedef integer_t host_info_data_t[HOST_INFO_MAX]; 82 83 #define KERNEL_VERSION_MAX (512) 84 typedef char kernel_version_t[KERNEL_VERSION_MAX]; 85 86 #define KERNEL_BOOT_INFO_MAX (4096) 87 typedef char kernel_boot_info_t[KERNEL_BOOT_INFO_MAX]; 88 89 /* 90 * Currently defined information. 91 */ 92 /* host_info() */ 93 typedef 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 106 struct 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 }; 113 114 typedef struct host_basic_info_old host_basic_info_data_old_t; 115 typedef 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 */ 119 120 struct host_can_has_debugger_info { 121 boolean_t can_has_debugger; 122 }; 123 typedef struct host_can_has_debugger_info host_can_has_debugger_info_data_t; 124 typedef 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) 129 130 struct 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) 145 146 typedef struct host_basic_info host_basic_info_data_t; 147 typedef 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))) 150 151 struct host_sched_info { 152 integer_t min_timeout; /* minimum timeout in milliseconds */ 153 integer_t min_quantum; /* minimum quantum in milliseconds */ 154 }; 155 156 typedef struct host_sched_info host_sched_info_data_t; 157 typedef 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))) 160 161 struct 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 }; 168 169 typedef struct kernel_resource_sizes kernel_resource_sizes_data_t; 170 typedef 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))) 173 174 struct 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 }; 184 185 typedef struct host_priority_info host_priority_info_data_t; 186 typedef 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 #if PRIVATE 201 struct vm_compressor_q_lens { 202 uint32_t qcc_segments_available; 203 uint32_t qcc_segment_count; 204 uint32_t qcc_age_count; 205 uint32_t qcc_early_swappedin_count, qcc_regular_swappedin_count, qcc_late_swappedin_count; 206 uint32_t qcc_early_swapout_count, qcc_regular_swapout_count, qcc_late_swapout_count; 207 uint32_t qcc_swapio_count; 208 uint32_t qcc_swappedout_count; 209 uint32_t qcc_swappedout_sparse_count; 210 uint32_t qcc_major_count; 211 uint32_t qcc_filling_count; 212 uint32_t qcc_empty_count; 213 uint32_t qcc_bad_count; 214 uint32_t qcc_minor_count; 215 }; /* PRIVATE */ 216 217 typedef struct vm_compressor_q_lens vm_compressor_q_lens_data_t; 218 #define HOST_VM_COMPRESSOR_Q_LENS 7 219 #define VM_COMPRESSOR_Q_LENS_COUNT ((mach_msg_type_number_t) \ 220 (sizeof(struct vm_compressor_q_lens)/sizeof(integer_t))) 221 #endif 222 223 #ifdef XNU_KERNEL_PRIVATE 224 void host_statistics_init(void); 225 #endif 226 227 struct host_load_info { 228 integer_t avenrun[3]; /* scaled by LOAD_SCALE */ 229 integer_t mach_factor[3]; /* scaled by LOAD_SCALE */ 230 }; 231 232 typedef struct host_load_info host_load_info_data_t; 233 typedef struct host_load_info *host_load_info_t; 234 #define HOST_LOAD_INFO_COUNT ((mach_msg_type_number_t) \ 235 (sizeof(host_load_info_data_t)/sizeof(integer_t))) 236 237 typedef struct vm_purgeable_info host_purgable_info_data_t; 238 typedef struct vm_purgeable_info *host_purgable_info_t; 239 #define HOST_VM_PURGABLE_COUNT ((mach_msg_type_number_t) \ 240 (sizeof(host_purgable_info_data_t)/sizeof(integer_t))) 241 242 /* in <mach/vm_statistics.h> */ 243 /* vm_statistics64 */ 244 #define HOST_VM_INFO64_COUNT ((mach_msg_type_number_t) \ 245 (sizeof(vm_statistics64_data_t)/sizeof(integer_t))) 246 247 /* size of the latest version of the structure */ 248 #define HOST_VM_INFO64_LATEST_COUNT HOST_VM_INFO64_COUNT 249 #define HOST_VM_INFO64_REV2_COUNT HOST_VM_INFO64_COUNT 250 #define HOST_VM_INFO64_REV1_COUNT ((mach_msg_type_number_t) \ 251 (offsetof(vm_statistics64_data_t, swapped_count) / sizeof(integer_t))) 252 /* previous versions: adjust the size according to what was added each time */ 253 #define HOST_VM_INFO64_REV0_COUNT ((mach_msg_type_number_t) \ 254 (offsetof(vm_statistics64_data_t, decompressions) / sizeof(integer_t))) 255 256 /* in <mach/vm_statistics.h> */ 257 /* vm_extmod_statistics */ 258 #define HOST_EXTMOD_INFO64_COUNT ((mach_msg_type_number_t) \ 259 (sizeof(vm_extmod_statistics_data_t)/sizeof(integer_t))) 260 261 /* size of the latest version of the structure */ 262 #define HOST_EXTMOD_INFO64_LATEST_COUNT HOST_EXTMOD_INFO64_COUNT 263 264 /* vm_statistics */ 265 #define HOST_VM_INFO_COUNT ((mach_msg_type_number_t) \ 266 (sizeof(vm_statistics_data_t)/sizeof(integer_t))) 267 268 /* size of the latest version of the structure */ 269 #define HOST_VM_INFO_LATEST_COUNT HOST_VM_INFO_COUNT 270 #define HOST_VM_INFO_REV2_COUNT HOST_VM_INFO_LATEST_COUNT 271 /* previous versions: adjust the size according to what was added each time */ 272 #define HOST_VM_INFO_REV1_COUNT /* added "speculative_count" (1 int) */ \ 273 ((mach_msg_type_number_t) \ 274 (HOST_VM_INFO_REV2_COUNT - 1)) 275 #define HOST_VM_INFO_REV0_COUNT /* added "purgable" info (2 ints) */ \ 276 ((mach_msg_type_number_t) \ 277 (HOST_VM_INFO_REV1_COUNT - 2)) 278 279 struct host_cpu_load_info { /* number of ticks while running... */ 280 natural_t cpu_ticks[CPU_STATE_MAX]; /* ... in the given mode */ 281 }; 282 283 typedef struct host_cpu_load_info host_cpu_load_info_data_t; 284 typedef struct host_cpu_load_info *host_cpu_load_info_t; 285 #define HOST_CPU_LOAD_INFO_COUNT ((mach_msg_type_number_t) \ 286 (sizeof (host_cpu_load_info_data_t) / sizeof (integer_t))) 287 288 struct host_preferred_user_arch { 289 cpu_type_t cpu_type; /* Preferred user-space cpu type */ 290 cpu_subtype_t cpu_subtype; /* Preferred user-space cpu subtype */ 291 }; 292 293 typedef struct host_preferred_user_arch host_preferred_user_arch_data_t; 294 typedef struct host_preferred_user_arch *host_preferred_user_arch_t; 295 #define HOST_PREFERRED_USER_ARCH_COUNT ((mach_msg_type_number_t) \ 296 (sizeof(host_preferred_user_arch_data_t)/sizeof(integer_t))) 297 298 #ifdef PRIVATE 299 /* 300 * CPU Statistics information 301 */ 302 struct _processor_statistics_np { 303 int32_t ps_cpuid; 304 305 uint32_t ps_csw_count; 306 uint32_t ps_preempt_count; 307 uint32_t ps_preempted_rt_count; 308 uint32_t ps_preempted_by_rt_count; 309 310 uint32_t ps_rt_sched_count; 311 312 uint32_t ps_interrupt_count; 313 uint32_t ps_ipi_count; 314 uint32_t ps_timer_pop_count; 315 316 uint64_t ps_runq_count_sum __attribute((aligned(8))); 317 318 uint32_t ps_idle_transitions; 319 uint32_t ps_quantum_timer_expirations; 320 }; 321 322 struct host_debug_info_internal { 323 uint64_t config_bank:1, /* built configurations */ 324 config_atm:1, 325 config_csr:1, 326 config_coalitions:1, 327 config_unused:60; 328 }; 329 330 typedef struct host_debug_info_internal *host_debug_info_internal_t; 331 typedef struct host_debug_info_internal host_debug_info_internal_data_t; 332 #define HOST_DEBUG_INFO_INTERNAL_COUNT ((mach_msg_type_number_t)\ 333 (sizeof (host_debug_info_internal_data_t) / sizeof(integer_t))) 334 335 #endif /* PRIVATE */ 336 337 #ifdef KERNEL_PRIVATE 338 339 extern kern_return_t set_sched_stats_active( 340 boolean_t active); 341 342 extern kern_return_t get_sched_statistics( 343 struct _processor_statistics_np *out, 344 uint32_t *count); 345 #endif /* KERNEL_PRIVATE */ 346 347 348 #endif /* _MACH_HOST_INFO_H_ */ 349