1/* 2 * Copyright (c) 2003-2011 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#include <string.h> 30#include <sys/param.h> 31#include <sys/kernel.h> 32#include <sys/sysctl.h> 33#include <i386/cpuid.h> 34#include <i386/tsc.h> 35#include <i386/machine_routines.h> 36#include <i386/pal_routines.h> 37#include <i386/ucode.h> 38#include <kern/clock.h> 39#include <libkern/libkern.h> 40#include <i386/lapic.h> 41 42 43static int 44_i386_cpu_info SYSCTL_HANDLER_ARGS 45{ 46 __unused struct sysctl_oid *unused_oidp = oidp; 47 void *ptr = arg1; 48 int value; 49 50 if (arg2 == -1) { 51 ptr = *(void **)ptr; 52 arg2 = 0; 53 } 54 55 if (arg2 == 0 && ((char *)ptr)[0] == '\0') { 56 return ENOENT; 57 } 58 59 if (arg2 == sizeof(uint8_t)) { 60 value = (uint32_t) *(uint8_t *)ptr; 61 ptr = &value; 62 arg2 = sizeof(uint32_t); 63 } 64 return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1); 65} 66 67static int 68i386_cpu_info SYSCTL_HANDLER_ARGS 69{ 70 void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1; 71 return _i386_cpu_info(oidp, ptr, arg2, req); 72} 73 74static int 75i386_cpu_info_nonzero SYSCTL_HANDLER_ARGS 76{ 77 void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1; 78 int value = *(uint32_t *)ptr; 79 80 if (value == 0) 81 return ENOENT; 82 83 return _i386_cpu_info(oidp, ptr, arg2, req); 84} 85static int 86cpu_mwait SYSCTL_HANDLER_ARGS 87{ 88 i386_cpu_info_t *cpu_info = cpuid_info(); 89 void *ptr = (uint8_t *)cpu_info->cpuid_mwait_leafp + (uintptr_t)arg1; 90 if (cpu_info->cpuid_mwait_leafp == NULL) 91 return ENOENT; 92 return _i386_cpu_info(oidp, ptr, arg2, req); 93} 94 95static int 96cpu_thermal SYSCTL_HANDLER_ARGS 97{ 98 i386_cpu_info_t *cpu_info = cpuid_info(); 99 void *ptr = (uint8_t *)cpu_info->cpuid_thermal_leafp + (uintptr_t)arg1; 100 if (cpu_info->cpuid_thermal_leafp == NULL) 101 return ENOENT; 102 return _i386_cpu_info(oidp, ptr, arg2, req); 103} 104 105static int 106cpu_arch_perf SYSCTL_HANDLER_ARGS 107{ 108 i386_cpu_info_t *cpu_info = cpuid_info(); 109 void *ptr = (uint8_t *)cpu_info->cpuid_arch_perf_leafp + (uintptr_t)arg1; 110 if (cpu_info->cpuid_arch_perf_leafp == NULL) 111 return ENOENT; 112 return _i386_cpu_info(oidp, ptr, arg2, req); 113} 114 115static int 116cpu_xsave SYSCTL_HANDLER_ARGS 117{ 118 i386_cpu_info_t *cpu_info = cpuid_info(); 119 void *ptr = (uint8_t *)cpu_info->cpuid_xsave_leafp + (uintptr_t)arg1; 120 if (cpu_info->cpuid_xsave_leafp == NULL) 121 return ENOENT; 122 return _i386_cpu_info(oidp, ptr, arg2, req); 123} 124 125 126static int 127cpu_features SYSCTL_HANDLER_ARGS 128{ 129 __unused struct sysctl_oid *unused_oidp = oidp; 130 __unused void *unused_arg1 = arg1; 131 __unused int unused_arg2 = arg2; 132 char buf[512]; 133 134 buf[0] = '\0'; 135 cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf)); 136 137 return SYSCTL_OUT(req, buf, strlen(buf) + 1); 138} 139 140static int 141cpu_extfeatures SYSCTL_HANDLER_ARGS 142{ 143 __unused struct sysctl_oid *unused_oidp = oidp; 144 __unused void *unused_arg1 = arg1; 145 __unused int unused_arg2 = arg2; 146 char buf[512]; 147 148 buf[0] = '\0'; 149 cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf)); 150 151 return SYSCTL_OUT(req, buf, strlen(buf) + 1); 152} 153 154static int 155cpu_leaf7_features SYSCTL_HANDLER_ARGS 156{ 157 __unused struct sysctl_oid *unused_oidp = oidp; 158 __unused void *unused_arg1 = arg1; 159 __unused int unused_arg2 = arg2; 160 char buf[512]; 161 162 uint32_t leaf7_features = cpuid_info()->cpuid_leaf7_features; 163 if (leaf7_features == 0) 164 return ENOENT; 165 166 buf[0] = '\0'; 167 cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf)); 168 169 return SYSCTL_OUT(req, buf, strlen(buf) + 1); 170} 171 172static int 173cpu_logical_per_package SYSCTL_HANDLER_ARGS 174{ 175 __unused struct sysctl_oid *unused_oidp = oidp; 176 __unused void *unused_arg1 = arg1; 177 __unused int unused_arg2 = arg2; 178 i386_cpu_info_t *cpu_info = cpuid_info(); 179 180 if (!(cpuid_features() & CPUID_FEATURE_HTT)) 181 return ENOENT; 182 183 return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package, 184 sizeof(cpu_info->cpuid_logical_per_package)); 185} 186 187static int 188cpu_flex_ratio_desired SYSCTL_HANDLER_ARGS 189{ 190 __unused struct sysctl_oid *unused_oidp = oidp; 191 __unused void *unused_arg1 = arg1; 192 __unused int unused_arg2 = arg2; 193 i386_cpu_info_t *cpu_info = cpuid_info(); 194 195 if (cpu_info->cpuid_model != 26) 196 return ENOENT; 197 198 return SYSCTL_OUT(req, &flex_ratio, sizeof(flex_ratio)); 199} 200 201static int 202cpu_flex_ratio_min SYSCTL_HANDLER_ARGS 203{ 204 __unused struct sysctl_oid *unused_oidp = oidp; 205 __unused void *unused_arg1 = arg1; 206 __unused int unused_arg2 = arg2; 207 i386_cpu_info_t *cpu_info = cpuid_info(); 208 209 if (cpu_info->cpuid_model != 26) 210 return ENOENT; 211 212 return SYSCTL_OUT(req, &flex_ratio_min, sizeof(flex_ratio_min)); 213} 214 215static int 216cpu_flex_ratio_max SYSCTL_HANDLER_ARGS 217{ 218 __unused struct sysctl_oid *unused_oidp = oidp; 219 __unused void *unused_arg1 = arg1; 220 __unused int unused_arg2 = arg2; 221 i386_cpu_info_t *cpu_info = cpuid_info(); 222 223 if (cpu_info->cpuid_model != 26) 224 return ENOENT; 225 226 return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max)); 227} 228 229static int 230cpu_ucode_update SYSCTL_HANDLER_ARGS 231{ 232 __unused struct sysctl_oid *unused_oidp = oidp; 233 __unused void *unused_arg1 = arg1; 234 __unused int unused_arg2 = arg2; 235 uint64_t addr; 236 int error; 237 238 error = SYSCTL_IN(req, &addr, sizeof(addr)); 239 if (error) 240 return error; 241 242 int ret = ucode_interface(addr); 243 return ret; 244} 245 246extern uint64_t panic_restart_timeout; 247static int 248panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 249{ 250 int new_value = 0, old_value = 0, changed = 0, error; 251 uint64_t nstime; 252 253 if (panic_restart_timeout) { 254 absolutetime_to_nanoseconds(panic_restart_timeout, &nstime); 255 old_value = nstime / NSEC_PER_SEC; 256 } 257 258 error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed); 259 if (error == 0 && changed) { 260 nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout); 261 } 262 return error; 263} 264 265/* 266 * Populates the {CPU, vector, latency} triple for the maximum observed primary 267 * interrupt latency 268 */ 269static int 270misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 271{ 272 int changed = 0, error; 273 char buf[128]; 274 buf[0] = '\0'; 275 276 interrupt_populate_latency_stats(buf, sizeof(buf)); 277 278 error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed); 279 280 if (error == 0 && changed) { 281 interrupt_reset_latency_stats(); 282 } 283 284 return error; 285} 286 287/* 288 * Triggers a machine-check exception - for a suitably configured kernel only. 289 */ 290extern void mca_exception_panic(void); 291static int 292misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 293{ 294 int changed = 0, error; 295 char buf[128]; 296 buf[0] = '\0'; 297 298 error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed); 299 300 if (error == 0 && changed) { 301 mca_exception_panic(); 302 } 303 return error; 304} 305 306 307SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 308 "CPU info"); 309 310SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 311 (void *)offsetof(i386_cpu_info_t, cpuid_max_basic),sizeof(uint32_t), 312 i386_cpu_info, "IU", "Max Basic Information value"); 313 314SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 315 (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t), 316 i386_cpu_info, "IU", "Max Extended Function Information value"); 317 318SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 319 (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0, 320 i386_cpu_info, "A", "CPU vendor"); 321 322SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 323 (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0, 324 i386_cpu_info, "A", "CPU brand string"); 325 326SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 327 (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t), 328 i386_cpu_info, "I", "CPU family"); 329 330SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 331 (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t), 332 i386_cpu_info, "I", "CPU model"); 333 334SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 335 (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t), 336 i386_cpu_info, "I", "CPU extended model"); 337 338SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 339 (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t), 340 i386_cpu_info, "I", "CPU extended family"); 341 342SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 343 (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t), 344 i386_cpu_info, "I", "CPU stepping"); 345 346SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED, 347 (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t), 348 i386_cpu_info, "IU", "CPU features"); 349 350SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits, 351 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 352 (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features), 353 sizeof(uint32_t), 354 i386_cpu_info_nonzero, "IU", "CPU Leaf7 features"); 355 356SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED, 357 (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t), 358 i386_cpu_info, "IU", "CPU extended features"); 359 360SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 361 (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t), 362 i386_cpu_info, "I", "CPU signature"); 363 364SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 365 (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t), 366 i386_cpu_info, "I", "CPU brand"); 367 368SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 369 0, 0, 370 cpu_features, "A", "CPU feature names"); 371 372SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features, 373 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 374 0, 0, 375 cpu_leaf7_features, "A", "CPU Leaf7 feature names"); 376 377SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED, 378 0, 0, 379 cpu_extfeatures, "A", "CPU extended feature names"); 380 381SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package, 382 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 383 0, 0, 384 cpu_logical_per_package, "I", "CPU logical cpus per package"); 385 386SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package, 387 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 388 (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package), 389 sizeof(uint32_t), 390 i386_cpu_info, "I", "CPU cores per package"); 391 392SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version, 393 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 394 (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version), 395 sizeof(uint32_t), 396 i386_cpu_info, "I", "Microcode version number"); 397 398SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag, 399 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 400 (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag), 401 sizeof(uint32_t), 402 i386_cpu_info, "I", "CPU processor flag"); 403 404 405SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 406 "mwait"); 407 408SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min, 409 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 410 (void *)offsetof(cpuid_mwait_leaf_t, linesize_min), 411 sizeof(uint32_t), 412 cpu_mwait, "I", "Monitor/mwait minimum line size"); 413 414SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max, 415 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 416 (void *)offsetof(cpuid_mwait_leaf_t, linesize_max), 417 sizeof(uint32_t), 418 cpu_mwait, "I", "Monitor/mwait maximum line size"); 419 420SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions, 421 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 422 (void *)offsetof(cpuid_mwait_leaf_t, extensions), 423 sizeof(uint32_t), 424 cpu_mwait, "I", "Monitor/mwait extensions"); 425 426SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates, 427 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 428 (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates), 429 sizeof(uint32_t), 430 cpu_mwait, "I", "Monitor/mwait sub C-states"); 431 432 433SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 434 "thermal"); 435 436SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor, 437 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 438 (void *)offsetof(cpuid_thermal_leaf_t, sensor), 439 sizeof(boolean_t), 440 cpu_thermal, "I", "Thermal sensor present"); 441 442SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration, 443 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 444 (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration), 445 sizeof(boolean_t), 446 cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)"); 447 448SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer, 449 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 450 (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer), 451 sizeof(boolean_t), 452 cpu_thermal, "I", "Invariant APIC Timer"); 453 454SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds, 455 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 456 (void *)offsetof(cpuid_thermal_leaf_t, thresholds), 457 sizeof(uint32_t), 458 cpu_thermal, "I", "Number of interrupt thresholds"); 459 460SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT, 461 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 462 (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT), 463 sizeof(boolean_t), 464 cpu_thermal, "I", "ACNT_MCNT capability"); 465 466SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, core_power_limits, 467 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 468 (void *)offsetof(cpuid_thermal_leaf_t, core_power_limits), 469 sizeof(boolean_t), 470 cpu_thermal, "I", "Power Limit Notifications at a Core Level"); 471 472SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, fine_grain_clock_mod, 473 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 474 (void *)offsetof(cpuid_thermal_leaf_t, fine_grain_clock_mod), 475 sizeof(boolean_t), 476 cpu_thermal, "I", "Fine Grain Clock Modulation"); 477 478SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr, 479 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 480 (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr), 481 sizeof(boolean_t), 482 cpu_thermal, "I", "Package Thermal interrupt and Status"); 483 484SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback, 485 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 486 (void *)offsetof(cpuid_thermal_leaf_t, hardware_feedback), 487 sizeof(boolean_t), 488 cpu_thermal, "I", "Hardware Coordination Feedback"); 489 490SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy, 491 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 492 (void *)offsetof(cpuid_thermal_leaf_t, energy_policy), 493 sizeof(boolean_t), 494 cpu_thermal, "I", "Energy Efficient Policy Support"); 495 496SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 497 "xsave"); 498 499SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state, 500 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 501 (void *)offsetof(cpuid_xsave_leaf_t, extended_state), 502 sizeof(cpuid_xsave_leaf_t), 503 cpu_xsave, "IU", "XSAVE Extended State"); 504 505 506SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 507 "arch_perf"); 508 509SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version, 510 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 511 (void *)offsetof(cpuid_arch_perf_leaf_t, version), 512 sizeof(uint8_t), 513 cpu_arch_perf, "I", "Architectural Performance Version Number"); 514 515SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number, 516 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 517 (void *)offsetof(cpuid_arch_perf_leaf_t, number), 518 sizeof(uint8_t), 519 cpu_arch_perf, "I", "Number of counters per logical cpu"); 520 521SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width, 522 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 523 (void *)offsetof(cpuid_arch_perf_leaf_t, width), 524 sizeof(uint8_t), 525 cpu_arch_perf, "I", "Bit width of counters"); 526 527SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number, 528 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 529 (void *)offsetof(cpuid_arch_perf_leaf_t, events_number), 530 sizeof(uint8_t), 531 cpu_arch_perf, "I", "Number of monitoring events"); 532 533SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events, 534 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 535 (void *)offsetof(cpuid_arch_perf_leaf_t, events), 536 sizeof(uint32_t), 537 cpu_arch_perf, "I", "Bit vector of events"); 538 539SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number, 540 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 541 (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number), 542 sizeof(uint8_t), 543 cpu_arch_perf, "I", "Number of fixed-function counters"); 544 545SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width, 546 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 547 (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width), 548 sizeof(uint8_t), 549 cpu_arch_perf, "I", "Bit-width of fixed-function counters"); 550 551 552SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 553 "cache"); 554 555SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize, 556 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 557 (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize), 558 sizeof(uint32_t), 559 i386_cpu_info, "I", "Cacheline size"); 560 561SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity, 562 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 563 (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity), 564 sizeof(uint32_t), 565 i386_cpu_info, "I", "L2 cache associativity"); 566 567SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size, 568 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 569 (void *)offsetof(i386_cpu_info_t, cpuid_cache_size), 570 sizeof(uint32_t), 571 i386_cpu_info, "I", "Cache size (in Kbytes)"); 572 573 574SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 575 "tlb"); 576SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 577 "inst"); 578SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 579 "data"); 580 581SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small, 582 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 583 (void *)offsetof(i386_cpu_info_t, 584 cpuid_tlb[TLB_INST][TLB_SMALL][0]), 585 sizeof(uint32_t), 586 i386_cpu_info_nonzero, "I", 587 "Number of small page instruction TLBs"); 588 589SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small, 590 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 591 (void *)offsetof(i386_cpu_info_t, 592 cpuid_tlb[TLB_DATA][TLB_SMALL][0]), 593 sizeof(uint32_t), 594 i386_cpu_info_nonzero, "I", 595 "Number of small page data TLBs (1st level)"); 596 597SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1, 598 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 599 (void *)offsetof(i386_cpu_info_t, 600 cpuid_tlb[TLB_DATA][TLB_SMALL][1]), 601 sizeof(uint32_t), 602 i386_cpu_info_nonzero, "I", 603 "Number of small page data TLBs (2nd level)"); 604 605SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large, 606 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 607 (void *)offsetof(i386_cpu_info_t, 608 cpuid_tlb[TLB_INST][TLB_LARGE][0]), 609 sizeof(uint32_t), 610 i386_cpu_info_nonzero, "I", 611 "Number of large page instruction TLBs"); 612 613SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large, 614 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 615 (void *)offsetof(i386_cpu_info_t, 616 cpuid_tlb[TLB_DATA][TLB_LARGE][0]), 617 sizeof(uint32_t), 618 i386_cpu_info_nonzero, "I", 619 "Number of large page data TLBs (1st level)"); 620 621SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1, 622 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 623 (void *)offsetof(i386_cpu_info_t, 624 cpuid_tlb[TLB_DATA][TLB_LARGE][1]), 625 sizeof(uint32_t), 626 i386_cpu_info_nonzero, "I", 627 "Number of large page data TLBs (2nd level)"); 628 629SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared, 630 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 631 (void *)offsetof(i386_cpu_info_t, cpuid_stlb), 632 sizeof(uint32_t), 633 i386_cpu_info_nonzero, "I", 634 "Number of shared TLBs"); 635 636 637SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 638 "address_bits"); 639 640SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical, 641 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 642 (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical), 643 sizeof(uint32_t), 644 i386_cpu_info, "I", "Number of physical address bits"); 645 646SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual, 647 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 648 (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual), 649 sizeof(uint32_t), 650 i386_cpu_info, "I", "Number of virtual address bits"); 651 652 653SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count, 654 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 655 (void *)offsetof(i386_cpu_info_t, core_count), 656 sizeof(uint32_t), 657 i386_cpu_info, "I", "Number of enabled cores per package"); 658 659SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count, 660 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 661 (void *)offsetof(i386_cpu_info_t, thread_count), 662 sizeof(uint32_t), 663 i386_cpu_info, "I", "Number of enabled threads per package"); 664 665SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 666 "Flex ratio"); 667 668SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired, 669 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 670 0, 0, 671 cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)"); 672 673SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min, 674 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 675 0, 0, 676 cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)"); 677 678SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max, 679 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, 680 0, 0, 681 cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)"); 682 683SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate, 684 CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0, 685 cpu_ucode_update, "S", "Microcode update interface"); 686 687static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT); 688static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT); 689 690SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0, 691 "Interrupt vector assignments"); 692 693SYSCTL_UINT (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (uint32_t *)&apic_timer_vector, 0, ""); 694SYSCTL_UINT (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (uint32_t *)&apic_IPI_vector, 0, ""); 695 696uint64_t pmap_pv_hashlist_walks; 697uint64_t pmap_pv_hashlist_cnts; 698uint32_t pmap_pv_hashlist_max; 699uint32_t pmap_kernel_text_ps = PAGE_SIZE; 700extern uint32_t pv_hashed_kern_low_water_mark; 701 702/*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/ 703 704SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 705 "PMAP info"); 706 707SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, ""); 708SYSCTL_QUAD (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, ""); 709SYSCTL_INT (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, ""); 710SYSCTL_INT (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, ""); 711SYSCTL_INT (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, ""); 712 713SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map"); 714 715uint64_t firmware_Conventional_bytes = 0; 716uint64_t firmware_RuntimeServices_bytes = 0; 717uint64_t firmware_ACPIReclaim_bytes = 0; 718uint64_t firmware_ACPINVS_bytes = 0; 719uint64_t firmware_PalCode_bytes = 0; 720uint64_t firmware_Reserved_bytes = 0; 721uint64_t firmware_Unusable_bytes = 0; 722uint64_t firmware_other_bytes = 0; 723 724SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Conventional_bytes, ""); 725SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, ""); 726SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, ""); 727SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, ""); 728SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_PalCode_bytes, ""); 729SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Reserved_bytes, ""); 730SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Unusable_bytes, ""); 731SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_other_bytes, ""); 732 733SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters"); 734 735SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency, 736 CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, ""); 737 738extern uint32_t deep_idle_rebase; 739SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase, 740 CTLFLAG_RW|CTLFLAG_KERN|CTLFLAG_LOCKED, &deep_idle_rebase, 0, ""); 741 742SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime, 743 CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion"); 744SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base, 745 CTLFLAG_RD | CTLFLAG_LOCKED, 746 (uint64_t *) &pal_rtc_nanotime_info.tsc_base, ""); 747SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base, 748 CTLFLAG_RD | CTLFLAG_LOCKED, 749 (uint64_t *)&pal_rtc_nanotime_info.ns_base, ""); 750SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale, 751 CTLFLAG_RD | CTLFLAG_LOCKED, 752 (uint32_t *)&pal_rtc_nanotime_info.scale, 0, ""); 753SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift, 754 CTLFLAG_RD | CTLFLAG_LOCKED, 755 (uint32_t *)&pal_rtc_nanotime_info.shift, 0, ""); 756SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation, 757 CTLFLAG_RD | CTLFLAG_LOCKED, 758 (uint32_t *)&pal_rtc_nanotime_info.generation, 0, ""); 759 760SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0, 761 "Miscellaneous x86 kernel parameters"); 762 763SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout, 764 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, 765 0, 0, 766 panic_set_restart_timeout, "I", "Panic restart timeout in seconds"); 767 768SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max, 769 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, 770 0, 0, 771 misc_interrupt_latency_max, "A", "Maximum Interrupt latency"); 772 773SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic, 774 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, 775 0, 0, 776 misc_machine_check_panic, "A", "Machine-check exception test"); 777 778 779 780extern void timer_queue_trace_cpu(int); 781static int 782misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 783{ 784 int changed = 0, error; 785 char buf[128]; 786 buf[0] = '\0'; 787 788 error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed); 789 790 if (error == 0 && changed) { 791 timer_queue_trace_cpu(0); 792 } 793 return error; 794} 795 796SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace, 797 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, 798 0, 0, 799 misc_timer_queue_trace, "A", "Cut timer queue tracepoint"); 800 801extern long NMI_count; 802extern void NMI_cpus(void); 803static int 804misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) 805{ 806 int new = 0, old = 0, changed = 0, error; 807 808 old = NMI_count; 809 810 error = sysctl_io_number(req, old, sizeof(int), &new, &changed); 811 if (error == 0 && changed) { 812 NMI_cpus(); 813 } 814 815 return error; 816} 817 818SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis, 819 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, 820 0, 0, 821 misc_nmis, "I", "Report/increment NMI count"); 822 823/* Parameters related to timer coalescing tuning, to be replaced 824 * with a dedicated systemcall in the future. 825 */ 826/* Enable processing pending timers in the context of any other interrupt */ 827SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled, 828 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, 829 &interrupt_timer_coalescing_enabled, 0, ""); 830/* Upon entering idle, process pending timers with HW deadlines 831 * this far in the future. 832 */ 833SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max, 834 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, 835 &idle_entry_timer_processing_hdeadline_threshold, 0, ""); 836 837/* Track potentially expensive eager timer evaluations on QoS tier 838 * switches. 839 */ 840extern uint32_t ml_timer_eager_evaluations; 841 842SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations, 843 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, 844 &ml_timer_eager_evaluations, 0, ""); 845 846extern uint64_t ml_timer_eager_evaluation_max; 847 848SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max, 849 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, 850 &ml_timer_eager_evaluation_max, ""); 851