bsd/dev/i386/sysctl.c

   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/rtclock_protos.h>
  36 #include <i386/machine_routines.h>
  37 #include <i386/pal_routines.h>
  38 #include <i386/ucode.h>
  39 #include <kern/clock.h>
  40 #include <libkern/libkern.h>
  41 #include <i386/lapic.h>
  42
  43
  44 static int
  45 _i386_cpu_info SYSCTL_HANDLER_ARGS
  46 {
  47     __unused struct sysctl_oid *unused_oidp = oidp;
  48     void *ptr = arg1;
  49     int value;
  50
  51     if (arg2 == -1) {
  52         ptr = *(void **)ptr;
  53         arg2 = 0;
  54     }
  55
  56     if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
  57         return ENOENT;
  58     }
  59
  60     if (arg2 == sizeof(uint8_t)) {
  61         value = (uint32_t) *(uint8_t *)ptr;
  62         ptr = &value;
  63         arg2 = sizeof(uint32_t);
  64     }
  65     return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
  66 }
  67
  68 static int
  69 i386_cpu_info SYSCTL_HANDLER_ARGS
  70 {
  71     void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  72     return _i386_cpu_info(oidp, ptr, arg2, req);
  73 }
  74
  75 static int
  76 i386_cpu_info_nonzero SYSCTL_HANDLER_ARGS
  77 {
  78     void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  79     int value = *(uint32_t *)ptr;
  80
  81     if (value == 0)
  82         return ENOENT;
  83
  84     return _i386_cpu_info(oidp, ptr, arg2, req);
  85 }
  86 static int
  87 cpu_mwait SYSCTL_HANDLER_ARGS
  88 {
  89     i386_cpu_info_t *cpu_info = cpuid_info();
  90     void *ptr = (uint8_t *)cpu_info->cpuid_mwait_leafp + (uintptr_t)arg1;
  91     if (cpu_info->cpuid_mwait_leafp == NULL)
  92         return ENOENT;
  93     return _i386_cpu_info(oidp, ptr, arg2, req);
  94 }
  95
  96 static int
  97 cpu_thermal SYSCTL_HANDLER_ARGS
  98 {
  99     i386_cpu_info_t *cpu_info = cpuid_info();
 100     void *ptr = (uint8_t *)cpu_info->cpuid_thermal_leafp + (uintptr_t)arg1;
 101     if (cpu_info->cpuid_thermal_leafp == NULL)
 102         return ENOENT;
 103     return _i386_cpu_info(oidp, ptr, arg2, req);
 104 }
 105
 106 static int
 107 cpu_arch_perf SYSCTL_HANDLER_ARGS
 108 {
 109     i386_cpu_info_t *cpu_info = cpuid_info();
 110     void *ptr = (uint8_t *)cpu_info->cpuid_arch_perf_leafp + (uintptr_t)arg1;
 111     if (cpu_info->cpuid_arch_perf_leafp == NULL)
 112         return ENOENT;
 113     return _i386_cpu_info(oidp, ptr, arg2, req);
 114 }
 115
 116 static int
 117 cpu_xsave SYSCTL_HANDLER_ARGS
 118 {
 119     i386_cpu_info_t *cpu_info = cpuid_info();
 120     void *ptr = (uint8_t *)cpu_info->cpuid_xsave_leafp + (uintptr_t)arg1;
 121     if (cpu_info->cpuid_xsave_leafp == NULL)
 122         return ENOENT;
 123     return _i386_cpu_info(oidp, ptr, arg2, req);
 124 }
 125
 126
 127 static int
 128 cpu_features SYSCTL_HANDLER_ARGS
 129 {
 130     __unused struct sysctl_oid *unused_oidp = oidp;
 131     __unused void *unused_arg1 = arg1;
 132     __unused int unused_arg2 = arg2;
 133     char buf[512];
 134
 135     buf[0] = '\0';
 136     cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
 137
 138     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 139 }
 140
 141 static int
 142 cpu_extfeatures SYSCTL_HANDLER_ARGS
 143 {
 144     __unused struct sysctl_oid *unused_oidp = oidp;
 145     __unused void *unused_arg1 = arg1;
 146     __unused int unused_arg2 = arg2;
 147     char buf[512];
 148
 149     buf[0] = '\0';
 150     cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
 151
 152     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 153 }
 154
 155 static int
 156 cpu_leaf7_features SYSCTL_HANDLER_ARGS
 157 {
 158     __unused struct sysctl_oid *unused_oidp = oidp;
 159     __unused void *unused_arg1 = arg1;
 160     __unused int unused_arg2 = arg2;
 161     char buf[512];
 162
 163     uint32_t    leaf7_features = cpuid_info()->cpuid_leaf7_features;
 164     if (leaf7_features == 0)
 165         return ENOENT;
 166
 167     buf[0] = '\0';
 168     cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf));
 169
 170     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 171 }
 172
 173 static int
 174 cpu_logical_per_package SYSCTL_HANDLER_ARGS
 175 {
 176         __unused struct sysctl_oid *unused_oidp = oidp;
 177         __unused void *unused_arg1 = arg1;
 178         __unused int unused_arg2 = arg2;
 179         i386_cpu_info_t *cpu_info = cpuid_info();
 180
 181         if (!(cpuid_features() & CPUID_FEATURE_HTT))
 182                 return ENOENT;
 183
 184         return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package,
 185                           sizeof(cpu_info->cpuid_logical_per_package));
 186 }
 187
 188 static int
 189 cpu_flex_ratio_desired SYSCTL_HANDLER_ARGS
 190 {
 191         __unused struct sysctl_oid *unused_oidp = oidp;
 192         __unused void *unused_arg1 = arg1;
 193         __unused int unused_arg2 = arg2;
 194         i386_cpu_info_t *cpu_info = cpuid_info();
 195
 196         if (cpu_info->cpuid_model != 26)
 197                 return ENOENT;
 198
 199         return SYSCTL_OUT(req, &flex_ratio, sizeof(flex_ratio));
 200 }
 201
 202 static int
 203 cpu_flex_ratio_min SYSCTL_HANDLER_ARGS
 204 {
 205         __unused struct sysctl_oid *unused_oidp = oidp;
 206         __unused void *unused_arg1 = arg1;
 207         __unused int unused_arg2 = arg2;
 208         i386_cpu_info_t *cpu_info = cpuid_info();
 209
 210         if (cpu_info->cpuid_model != 26)
 211                 return ENOENT;
 212
 213         return SYSCTL_OUT(req, &flex_ratio_min, sizeof(flex_ratio_min));
 214 }
 215
 216 static int
 217 cpu_flex_ratio_max SYSCTL_HANDLER_ARGS
 218 {
 219         __unused struct sysctl_oid *unused_oidp = oidp;
 220         __unused void *unused_arg1 = arg1;
 221         __unused int unused_arg2 = arg2;
 222         i386_cpu_info_t *cpu_info = cpuid_info();
 223
 224         if (cpu_info->cpuid_model != 26)
 225                 return ENOENT;
 226
 227         return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max));
 228 }
 229
 230 static int
 231 cpu_ucode_update SYSCTL_HANDLER_ARGS
 232 {
 233         __unused struct sysctl_oid *unused_oidp = oidp;
 234         __unused void *unused_arg1 = arg1;
 235         __unused int unused_arg2 = arg2;
 236         uint64_t addr;
 237         int error;
 238
 239         error = SYSCTL_IN(req, &addr, sizeof(addr));
 240         if (error)
 241                 return error;
 242
 243         int ret = ucode_interface(addr);
 244         return ret;
 245 }
 246
 247 extern uint64_t panic_restart_timeout;
 248 static int
 249 panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 250 {
 251         int new_value = 0, old_value = 0, changed = 0, error;
 252         uint64_t nstime;
 253
 254         if (panic_restart_timeout) {
 255                 absolutetime_to_nanoseconds(panic_restart_timeout, &nstime);
 256                 old_value = nstime / NSEC_PER_SEC;
 257         }
 258
 259         error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
 260         if (error == 0 && changed) {
 261                 nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout);
 262         }
 263         return error;
 264 }
 265
 266 /*
 267  * Populates the {CPU, vector, latency} triple for the maximum observed primary
 268  * interrupt latency
 269  */
 270 static int
 271 misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 272 {
 273         int changed = 0, error;
 274         char buf[128];
 275         buf[0] = '\0';
 276
 277         interrupt_populate_latency_stats(buf, sizeof(buf));
 278
 279         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 280
 281         if (error == 0 && changed) {
 282                 interrupt_reset_latency_stats();
 283         }
 284
 285         return error;
 286 }
 287
 288 /*
 289  * Triggers a machine-check exception - for a suitably configured kernel only.
 290  */
 291 extern void mca_exception_panic(void);
 292 static int
 293 misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 294 {
 295         int changed = 0, error;
 296         char buf[128];
 297         buf[0] = '\0';
 298
 299         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 300
 301         if (error == 0 && changed) {
 302                 mca_exception_panic();
 303         }
 304         return error;
 305 }
 306
 307
 308 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 309         "CPU info");
 310
 311 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 312             (void *)offsetof(i386_cpu_info_t, cpuid_max_basic),sizeof(uint32_t),
 313             i386_cpu_info, "IU", "Max Basic Information value");
 314
 315 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 316             (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t),
 317             i386_cpu_info, "IU", "Max Extended Function Information value");
 318
 319 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 320             (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
 321             i386_cpu_info, "A", "CPU vendor");
 322
 323 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 324             (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
 325             i386_cpu_info, "A", "CPU brand string");
 326
 327 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 328             (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
 329             i386_cpu_info, "I", "CPU family");
 330
 331 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 332             (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
 333             i386_cpu_info, "I", "CPU model");
 334
 335 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 336             (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
 337             i386_cpu_info, "I", "CPU extended model");
 338
 339 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 340             (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
 341             i386_cpu_info, "I", "CPU extended family");
 342
 343 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 344             (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
 345             i386_cpu_info, "I", "CPU stepping");
 346
 347 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 348             (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
 349             i386_cpu_info, "IU", "CPU features");
 350
 351 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits,
 352             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 353             (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features),
 354             sizeof(uint32_t),
 355             i386_cpu_info_nonzero, "IU", "CPU Leaf7 features");
 356
 357 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 358             (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
 359             i386_cpu_info, "IU", "CPU extended features");
 360
 361 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 362             (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 363             i386_cpu_info, "I", "CPU signature");
 364
 365 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 366             (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 367             i386_cpu_info, "I", "CPU brand");
 368
 369 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 370             0, 0,
 371             cpu_features, "A", "CPU feature names");
 372
 373 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features,
 374             CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 375             0, 0,
 376             cpu_leaf7_features, "A", "CPU Leaf7 feature names");
 377
 378 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 379             0, 0,
 380             cpu_extfeatures, "A", "CPU extended feature names");
 381
 382 SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
 383             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 384             0, 0,
 385             cpu_logical_per_package, "I", "CPU logical cpus per package");
 386
 387 SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
 388             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 389             (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
 390             sizeof(uint32_t),
 391             i386_cpu_info, "I", "CPU cores per package");
 392
 393 SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version,
 394             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 395             (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version),
 396             sizeof(uint32_t),
 397             i386_cpu_info, "I", "Microcode version number");
 398
 399 SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag,
 400             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 401             (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag),
 402             sizeof(uint32_t),
 403             i386_cpu_info, "I", "CPU processor flag");
 404
 405
 406 SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 407         "mwait");
 408
 409 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min,
 410             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 411             (void *)offsetof(cpuid_mwait_leaf_t, linesize_min),
 412             sizeof(uint32_t),
 413             cpu_mwait, "I", "Monitor/mwait minimum line size");
 414
 415 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max,
 416             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 417             (void *)offsetof(cpuid_mwait_leaf_t, linesize_max),
 418             sizeof(uint32_t),
 419             cpu_mwait, "I", "Monitor/mwait maximum line size");
 420
 421 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions,
 422             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 423             (void *)offsetof(cpuid_mwait_leaf_t, extensions),
 424             sizeof(uint32_t),
 425             cpu_mwait, "I", "Monitor/mwait extensions");
 426
 427 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates,
 428             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 429             (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates),
 430             sizeof(uint32_t),
 431             cpu_mwait, "I", "Monitor/mwait sub C-states");
 432
 433
 434 SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 435         "thermal");
 436
 437 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor,
 438             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 439             (void *)offsetof(cpuid_thermal_leaf_t, sensor),
 440             sizeof(boolean_t),
 441             cpu_thermal, "I", "Thermal sensor present");
 442
 443 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration,
 444             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 445             (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration),
 446             sizeof(boolean_t),
 447             cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)");
 448
 449 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer,
 450             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 451             (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer),
 452             sizeof(boolean_t),
 453             cpu_thermal, "I", "Invariant APIC Timer");
 454
 455 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds,
 456             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 457             (void *)offsetof(cpuid_thermal_leaf_t, thresholds),
 458             sizeof(uint32_t),
 459             cpu_thermal, "I", "Number of interrupt thresholds");
 460
 461 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT,
 462             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 463             (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT),
 464             sizeof(boolean_t),
 465             cpu_thermal, "I", "ACNT_MCNT capability");
 466
 467 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, core_power_limits,
 468             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 469             (void *)offsetof(cpuid_thermal_leaf_t, core_power_limits),
 470             sizeof(boolean_t),
 471             cpu_thermal, "I", "Power Limit Notifications at a Core Level");
 472
 473 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, fine_grain_clock_mod,
 474             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 475             (void *)offsetof(cpuid_thermal_leaf_t, fine_grain_clock_mod),
 476             sizeof(boolean_t),
 477             cpu_thermal, "I", "Fine Grain Clock Modulation");
 478
 479 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr,
 480             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 481             (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr),
 482             sizeof(boolean_t),
 483             cpu_thermal, "I", "Package Thermal interrupt and Status");
 484
 485 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback,
 486             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 487             (void *)offsetof(cpuid_thermal_leaf_t, hardware_feedback),
 488             sizeof(boolean_t),
 489             cpu_thermal, "I", "Hardware Coordination Feedback");
 490
 491 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy,
 492             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 493             (void *)offsetof(cpuid_thermal_leaf_t, energy_policy),
 494             sizeof(boolean_t),
 495             cpu_thermal, "I", "Energy Efficient Policy Support");
 496
 497 SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 498         "xsave");
 499
 500 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state,
 501             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 502             (void *) 0,
 503             sizeof(cpuid_xsave_leaf_t),
 504             cpu_xsave, "IU", "XSAVE Extended State Main Leaf");
 505
 506 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1,
 507             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 508             (void *) sizeof(cpuid_xsave_leaf_t),
 509             sizeof(cpuid_xsave_leaf_t),
 510             cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1");
 511
 512
 513 SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 514         "arch_perf");
 515
 516 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
 517             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 518             (void *)offsetof(cpuid_arch_perf_leaf_t, version),
 519             sizeof(uint8_t),
 520             cpu_arch_perf, "I", "Architectural Performance Version Number");
 521
 522 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
 523             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 524             (void *)offsetof(cpuid_arch_perf_leaf_t, number),
 525             sizeof(uint8_t),
 526             cpu_arch_perf, "I", "Number of counters per logical cpu");
 527
 528 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
 529             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 530             (void *)offsetof(cpuid_arch_perf_leaf_t, width),
 531             sizeof(uint8_t),
 532             cpu_arch_perf, "I", "Bit width of counters");
 533
 534 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
 535             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 536             (void *)offsetof(cpuid_arch_perf_leaf_t, events_number),
 537             sizeof(uint8_t),
 538             cpu_arch_perf, "I", "Number of monitoring events");
 539
 540 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
 541             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 542             (void *)offsetof(cpuid_arch_perf_leaf_t, events),
 543             sizeof(uint32_t),
 544             cpu_arch_perf, "I", "Bit vector of events");
 545
 546 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
 547             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 548             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number),
 549             sizeof(uint8_t),
 550             cpu_arch_perf, "I", "Number of fixed-function counters");
 551
 552 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
 553             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 554             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width),
 555             sizeof(uint8_t),
 556             cpu_arch_perf, "I", "Bit-width of fixed-function counters");
 557
 558
 559 SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 560         "cache");
 561
 562 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
 563             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 564             (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
 565             sizeof(uint32_t),
 566             i386_cpu_info, "I", "Cacheline size");
 567
 568 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
 569             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 570             (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
 571             sizeof(uint32_t),
 572             i386_cpu_info, "I", "L2 cache associativity");
 573
 574 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
 575             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 576             (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
 577             sizeof(uint32_t),
 578             i386_cpu_info, "I", "Cache size (in Kbytes)");
 579
 580
 581 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 582         "tlb");
 583 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 584         "inst");
 585 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 586         "data");
 587
 588 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small,
 589             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 590             (void *)offsetof(i386_cpu_info_t,
 591                              cpuid_tlb[TLB_INST][TLB_SMALL][0]),
 592             sizeof(uint32_t),
 593             i386_cpu_info_nonzero, "I",
 594             "Number of small page instruction TLBs");
 595
 596 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small,
 597             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 598             (void *)offsetof(i386_cpu_info_t,
 599                              cpuid_tlb[TLB_DATA][TLB_SMALL][0]),
 600             sizeof(uint32_t),
 601             i386_cpu_info_nonzero, "I",
 602             "Number of small page data TLBs (1st level)");
 603
 604 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1,
 605             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 606             (void *)offsetof(i386_cpu_info_t,
 607                              cpuid_tlb[TLB_DATA][TLB_SMALL][1]),
 608             sizeof(uint32_t),
 609             i386_cpu_info_nonzero, "I",
 610             "Number of small page data TLBs (2nd level)");
 611
 612 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large,
 613             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 614             (void *)offsetof(i386_cpu_info_t,
 615                              cpuid_tlb[TLB_INST][TLB_LARGE][0]),
 616             sizeof(uint32_t),
 617             i386_cpu_info_nonzero, "I",
 618             "Number of large page instruction TLBs");
 619
 620 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large,
 621             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 622             (void *)offsetof(i386_cpu_info_t,
 623                              cpuid_tlb[TLB_DATA][TLB_LARGE][0]),
 624             sizeof(uint32_t),
 625             i386_cpu_info_nonzero, "I",
 626             "Number of large page data TLBs (1st level)");
 627
 628 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1,
 629             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 630             (void *)offsetof(i386_cpu_info_t,
 631                              cpuid_tlb[TLB_DATA][TLB_LARGE][1]),
 632             sizeof(uint32_t),
 633             i386_cpu_info_nonzero, "I",
 634             "Number of large page data TLBs (2nd level)");
 635
 636 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared,
 637             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 638             (void *)offsetof(i386_cpu_info_t, cpuid_stlb),
 639             sizeof(uint32_t),
 640             i386_cpu_info_nonzero, "I",
 641             "Number of shared TLBs");
 642
 643
 644 SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 645         "address_bits");
 646
 647 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
 648             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 649             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
 650             sizeof(uint32_t),
 651             i386_cpu_info, "I", "Number of physical address bits");
 652
 653 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
 654             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 655             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
 656             sizeof(uint32_t),
 657             i386_cpu_info, "I", "Number of virtual address bits");
 658
 659
 660 SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
 661             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 662             (void *)offsetof(i386_cpu_info_t, core_count),
 663             sizeof(uint32_t),
 664             i386_cpu_info, "I", "Number of enabled cores per package");
 665
 666 SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
 667             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 668             (void *)offsetof(i386_cpu_info_t, thread_count),
 669             sizeof(uint32_t),
 670             i386_cpu_info, "I", "Number of enabled threads per package");
 671
 672 SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 673         "Flex ratio");
 674
 675 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired,
 676             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 677             0, 0,
 678             cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)");
 679
 680 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min,
 681             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 682             0, 0,
 683             cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)");
 684
 685 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max,
 686             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 687             0, 0,
 688             cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)");
 689
 690 SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate,
 691             CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0,
 692             cpu_ucode_update, "S", "Microcode update interface");
 693
 694 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 695         "TSC/CCC frequency information");
 696
 697 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator,
 698             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 699             (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator),
 700             sizeof(uint32_t),
 701             i386_cpu_info, "I", "Numerator of TSC/CCC ratio");
 702
 703 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator,
 704             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 705             (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator),
 706             sizeof(uint32_t),
 707             i386_cpu_info, "I", "Denominator of TSC/CCC ratio");
 708
 709 static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT);
 710 static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT);
 711
 712 SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0,
 713         "Interrupt vector assignments");
 714
 715 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_timer_vector), 0, "");
 716 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_IPI_vector), 0, "");
 717
 718 uint64_t pmap_pv_hashlist_walks;
 719 uint64_t pmap_pv_hashlist_cnts;
 720 uint32_t pmap_pv_hashlist_max;
 721 uint32_t pmap_kernel_text_ps = PAGE_SIZE;
 722 extern uint32_t pv_hashed_kern_low_water_mark;
 723
 724 /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
 725
 726 SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 727         "PMAP info");
 728
 729 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, "");
 730 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, "");
 731 SYSCTL_INT     (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, "");
 732 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, "");
 733 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, "");
 734
 735 SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map");
 736
 737 uint64_t firmware_Conventional_bytes = 0;
 738 uint64_t firmware_RuntimeServices_bytes = 0;
 739 uint64_t firmware_ACPIReclaim_bytes = 0;
 740 uint64_t firmware_ACPINVS_bytes = 0;
 741 uint64_t firmware_PalCode_bytes = 0;
 742 uint64_t firmware_Reserved_bytes = 0;
 743 uint64_t firmware_Unusable_bytes = 0;
 744 uint64_t firmware_other_bytes = 0;
 745
 746 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Conventional_bytes, "");
 747 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, "");
 748 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, "");
 749 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, "");
 750 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_PalCode_bytes, "");
 751 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Reserved_bytes, "");
 752 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Unusable_bytes, "");
 753 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_other_bytes, "");
 754
 755 SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters");
 756
 757 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency,
 758         CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, "");
 759
 760 extern uint32_t deep_idle_rebase;
 761 SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase,
 762         CTLFLAG_RD|CTLFLAG_LOCKED, &deep_idle_rebase, 0, "");
 763 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, at_boot,
 764         CTLFLAG_RD|CTLFLAG_LOCKED, &tsc_at_boot, "");
 765 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, rebase_abs_time,
 766         CTLFLAG_RD|CTLFLAG_LOCKED, &tsc_rebase_abs_time, "");
 767
 768 SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime,
 769         CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion");
 770 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base,
 771         CTLFLAG_RD | CTLFLAG_LOCKED,
 772         __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), "");
 773 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base,
 774         CTLFLAG_RD | CTLFLAG_LOCKED,
 775         __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), "");
 776 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale,
 777         CTLFLAG_RD | CTLFLAG_LOCKED,
 778         __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, "");
 779 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift,
 780         CTLFLAG_RD | CTLFLAG_LOCKED,
 781         __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, "");
 782 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation,
 783         CTLFLAG_RD | CTLFLAG_LOCKED,
 784         __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, "");
 785
 786 SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 787         "Miscellaneous x86 kernel parameters");
 788
 789 SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout,
 790             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 791             0, 0,
 792             panic_set_restart_timeout, "I", "Panic restart timeout in seconds");
 793
 794 SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max,
 795             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 796             0, 0,
 797             misc_interrupt_latency_max, "A", "Maximum Interrupt latency");
 798
 799 SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic,
 800             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 801             0, 0,
 802             misc_machine_check_panic, "A", "Machine-check exception test");
 803
 804 #if DEVELOPMENT || DEBUG
 805 SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs,
 806                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 807                 &reportphyreaddelayabs, "");
 808 SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt,
 809                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 810                 &reportphyreadosbt, 0, "");
 811 #endif
 812
 813 extern void timer_queue_trace_cpu(int);
 814 static int
 815 misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 816 {
 817         int changed = 0, error;
 818         char buf[128];
 819         buf[0] = '\0';
 820
 821         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 822
 823         if (error == 0 && changed) {
 824                 timer_queue_trace_cpu(0);
 825         }
 826         return error;
 827 }
 828
 829 SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace,
 830             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 831             0, 0,
 832             misc_timer_queue_trace, "A", "Cut timer queue tracepoint");
 833
 834 extern long NMI_count;
 835 extern void NMI_cpus(void);
 836 static int
 837 misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 838 {
 839         int new = 0, old = 0, changed = 0, error;
 840
 841         old = NMI_count;
 842
 843         error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
 844         if (error == 0 && changed) {
 845                 NMI_cpus();
 846         }
 847
 848         return error;
 849 }
 850
 851 SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis,
 852             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 853             0, 0,
 854             misc_nmis, "I", "Report/increment NMI count");
 855
 856 /* Parameters related to timer coalescing tuning, to be replaced
 857  * with a dedicated systemcall in the future.
 858  */
 859 /* Enable processing pending timers in the context of any other interrupt */
 860 SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled,
 861                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 862                 &interrupt_timer_coalescing_enabled, 0, "");
 863 /* Upon entering idle, process pending timers with HW deadlines
 864  * this far in the future.
 865  */
 866 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max,
 867                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 868                 &idle_entry_timer_processing_hdeadline_threshold, 0, "");
 869
 870 /* Track potentially expensive eager timer evaluations on QoS tier
 871  * switches.
 872  */
 873 extern uint32_t ml_timer_eager_evaluations;
 874
 875 SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations,
 876                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 877                 &ml_timer_eager_evaluations, 0, "");
 878
 879 extern uint64_t ml_timer_eager_evaluation_max;
 880
 881 SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max,
 882                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 883                 &ml_timer_eager_evaluation_max, "");
 884 extern uint64_t x86_isr_fp_simd_use;
 885 SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses,
 886                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 887                 &x86_isr_fp_simd_use, "");