bsd/dev/i386/sysctl.c

   1 /*
   2  * Copyright (c) 2003-2020 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 #include <i386/mp.h>
  43 #include <kern/kalloc.h>
  44
  45
  46 static int
  47 _i386_cpu_info SYSCTL_HANDLER_ARGS
  48 {
  49         __unused struct sysctl_oid *unused_oidp = oidp;
  50         void *ptr = arg1;
  51         int value;
  52
  53         if (arg2 == -1) {
  54                 ptr = *(void **)ptr;
  55                 arg2 = 0;
  56         }
  57
  58         if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
  59                 return ENOENT;
  60         }
  61
  62         if (arg2 == sizeof(uint8_t)) {
  63                 value = (uint32_t) *(uint8_t *)ptr;
  64                 ptr = &value;
  65                 arg2 = sizeof(uint32_t);
  66         }
  67         return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr) + 1);
  68 }
  69
  70 static int
  71 i386_cpu_info SYSCTL_HANDLER_ARGS
  72 {
  73         void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  74         return _i386_cpu_info(oidp, ptr, arg2, req);
  75 }
  76
  77 static int
  78 i386_cpu_info_nonzero SYSCTL_HANDLER_ARGS
  79 {
  80         void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  81         int value = *(uint32_t *)ptr;
  82
  83         if (value == 0) {
  84                 return ENOENT;
  85         }
  86
  87         return _i386_cpu_info(oidp, ptr, arg2, req);
  88 }
  89 static int
  90 cpu_mwait SYSCTL_HANDLER_ARGS
  91 {
  92         i386_cpu_info_t *cpu_info = cpuid_info();
  93         void *ptr = (uint8_t *)cpu_info->cpuid_mwait_leafp + (uintptr_t)arg1;
  94         if (cpu_info->cpuid_mwait_leafp == NULL) {
  95                 return ENOENT;
  96         }
  97         return _i386_cpu_info(oidp, ptr, arg2, req);
  98 }
  99
 100 static int
 101 cpu_thermal SYSCTL_HANDLER_ARGS
 102 {
 103         i386_cpu_info_t *cpu_info = cpuid_info();
 104         void *ptr = (uint8_t *)cpu_info->cpuid_thermal_leafp + (uintptr_t)arg1;
 105         if (cpu_info->cpuid_thermal_leafp == NULL) {
 106                 return ENOENT;
 107         }
 108         return _i386_cpu_info(oidp, ptr, arg2, req);
 109 }
 110
 111 static int
 112 cpu_arch_perf SYSCTL_HANDLER_ARGS
 113 {
 114         i386_cpu_info_t *cpu_info = cpuid_info();
 115         void *ptr = (uint8_t *)cpu_info->cpuid_arch_perf_leafp + (uintptr_t)arg1;
 116         if (cpu_info->cpuid_arch_perf_leafp == NULL) {
 117                 return ENOENT;
 118         }
 119         return _i386_cpu_info(oidp, ptr, arg2, req);
 120 }
 121
 122 static int
 123 cpu_xsave SYSCTL_HANDLER_ARGS
 124 {
 125         i386_cpu_info_t *cpu_info = cpuid_info();
 126         void *ptr = (uint8_t *)cpu_info->cpuid_xsave_leafp + (uintptr_t)arg1;
 127         if (cpu_info->cpuid_xsave_leafp == NULL) {
 128                 return ENOENT;
 129         }
 130         return _i386_cpu_info(oidp, ptr, arg2, req);
 131 }
 132
 133
 134 static int
 135 cpu_features SYSCTL_HANDLER_ARGS
 136 {
 137         __unused struct sysctl_oid *unused_oidp = oidp;
 138         __unused void *unused_arg1 = arg1;
 139         __unused int unused_arg2 = arg2;
 140         char buf[512];
 141
 142         buf[0] = '\0';
 143         cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
 144
 145         return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 146 }
 147
 148 static int
 149 cpu_extfeatures SYSCTL_HANDLER_ARGS
 150 {
 151         __unused struct sysctl_oid *unused_oidp = oidp;
 152         __unused void *unused_arg1 = arg1;
 153         __unused int unused_arg2 = arg2;
 154         char buf[512];
 155
 156         buf[0] = '\0';
 157         cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
 158
 159         return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 160 }
 161
 162 static int
 163 cpu_leaf7_features SYSCTL_HANDLER_ARGS
 164 {
 165         __unused struct sysctl_oid *unused_oidp = oidp;
 166         __unused void *unused_arg1 = arg1;
 167         __unused int unused_arg2 = arg2;
 168         char buf[512];
 169
 170         uint64_t    leaf7_features = cpuid_info()->cpuid_leaf7_features;
 171         uint64_t    leaf7_extfeatures = cpuid_info()->cpuid_leaf7_extfeatures;
 172         if (leaf7_features == 0 && leaf7_extfeatures == 0) {
 173                 return ENOENT;
 174         }
 175
 176         buf[0] = '\0';
 177         cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf));
 178         if (leaf7_extfeatures != 0) {
 179                 strlcat(buf, " ", sizeof(buf));
 180                 cpuid_get_leaf7_extfeature_names(leaf7_extfeatures, buf + strlen(buf),
 181                     (unsigned int)(sizeof(buf) - strlen(buf)));
 182         }
 183
 184         return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 185 }
 186
 187 static int
 188 cpu_logical_per_package 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 (!(cpuid_features() & CPUID_FEATURE_HTT)) {
 196                 return ENOENT;
 197         }
 198
 199         return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package,
 200                    sizeof(cpu_info->cpuid_logical_per_package));
 201 }
 202
 203 static int
 204 cpu_flex_ratio_desired SYSCTL_HANDLER_ARGS
 205 {
 206         __unused struct sysctl_oid *unused_oidp = oidp;
 207         __unused void *unused_arg1 = arg1;
 208         __unused int unused_arg2 = arg2;
 209         i386_cpu_info_t *cpu_info = cpuid_info();
 210
 211         if (cpu_info->cpuid_model != 26) {
 212                 return ENOENT;
 213         }
 214
 215         return SYSCTL_OUT(req, &flex_ratio, sizeof(flex_ratio));
 216 }
 217
 218 static int
 219 cpu_flex_ratio_min SYSCTL_HANDLER_ARGS
 220 {
 221         __unused struct sysctl_oid *unused_oidp = oidp;
 222         __unused void *unused_arg1 = arg1;
 223         __unused int unused_arg2 = arg2;
 224         i386_cpu_info_t *cpu_info = cpuid_info();
 225
 226         if (cpu_info->cpuid_model != 26) {
 227                 return ENOENT;
 228         }
 229
 230         return SYSCTL_OUT(req, &flex_ratio_min, sizeof(flex_ratio_min));
 231 }
 232
 233 static int
 234 cpu_flex_ratio_max SYSCTL_HANDLER_ARGS
 235 {
 236         __unused struct sysctl_oid *unused_oidp = oidp;
 237         __unused void *unused_arg1 = arg1;
 238         __unused int unused_arg2 = arg2;
 239         i386_cpu_info_t *cpu_info = cpuid_info();
 240
 241         if (cpu_info->cpuid_model != 26) {
 242                 return ENOENT;
 243         }
 244
 245         return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max));
 246 }
 247
 248 static int
 249 cpu_ucode_update SYSCTL_HANDLER_ARGS
 250 {
 251 #pragma unused(oidp, arg1, arg2)
 252         uint64_t addr;
 253         int error;
 254
 255         /* Can't update microcode from within a VM. */
 256
 257         if (cpuid_features() & CPUID_FEATURE_VMM) {
 258                 return ENODEV;
 259         }
 260
 261         if (req->newptr == USER_ADDR_NULL) {
 262                 return EINVAL;
 263         }
 264
 265         error = SYSCTL_IN(req, &addr, sizeof(addr));
 266         if (error) {
 267                 return error;
 268         }
 269
 270         return ucode_interface(addr);
 271 }
 272
 273 extern uint64_t panic_restart_timeout;
 274 static int
 275 panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 276 {
 277         int new_value = 0, old_value = 0, changed = 0, error;
 278         uint64_t nstime;
 279
 280         if (panic_restart_timeout) {
 281                 absolutetime_to_nanoseconds(panic_restart_timeout, &nstime);
 282                 old_value = (int)MIN(nstime / NSEC_PER_SEC, INT_MAX);
 283         }
 284
 285         error = sysctl_io_number(req, old_value, sizeof(old_value), &new_value, &changed);
 286         if (error == 0 && changed) {
 287                 if (new_value >= 0) {
 288                         nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout);
 289                 } else {
 290                         error = EDOM;
 291                 }
 292         }
 293         return error;
 294 }
 295
 296 /*
 297  * Populates the {CPU, vector, latency} triple for the maximum observed primary
 298  * interrupt latency
 299  */
 300 static int
 301 misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 302 {
 303         int changed = 0, error;
 304         char buf[128];
 305         buf[0] = '\0';
 306
 307         interrupt_populate_latency_stats(buf, sizeof(buf));
 308
 309         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 310
 311         if (error == 0 && changed) {
 312                 interrupt_reset_latency_stats();
 313         }
 314
 315         return error;
 316 }
 317
 318 #if DEVELOPMENT || DEBUG
 319 /*
 320  * Populates a string with each CPU's tsc synch delta.
 321  */
 322 static int
 323 x86_cpu_tsc_deltas(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 324 {
 325         int err;
 326         uint32_t ncpus = ml_wait_max_cpus();
 327         uint32_t buflen = (2 /* hex digits */ * sizeof(uint64_t) + 3 /* for "0x" + " " */) * ncpus + 1;
 328         char *buf = kalloc(buflen);
 329
 330         cpu_data_tsc_sync_deltas_string(buf, buflen, 0, ncpus - 1);
 331
 332         err = sysctl_io_string(req, buf, buflen, 0, 0);
 333
 334         kfree(buf, buflen);
 335
 336         return err;
 337 }
 338
 339 /*
 340  * Triggers a machine-check exception - for a suitably configured kernel only.
 341  */
 342 extern void mca_exception_panic(void);
 343 static int
 344 misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 345 {
 346         int changed = 0, error;
 347         char buf[128];
 348         buf[0] = '\0';
 349
 350         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 351
 352         if (error == 0 && changed) {
 353                 mca_exception_panic();
 354         }
 355         return error;
 356 }
 357
 358 /*
 359  * Triggers a non-responsive processor timeout panic - for a suitably configured kernel only.
 360  */
 361 static uint64_t kernel_timeout_spin = 0;
 362 static int
 363 misc_kernel_timeout_spin(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 364 {
 365         uint64_t        old_value;
 366         uint64_t        new_value;
 367         int changed = 0, error;
 368         char buf[128];
 369         buf[0] = '\0';
 370
 371         absolutetime_to_nanoseconds(kernel_timeout_spin, &old_value);
 372
 373         error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
 374         if (error == 0 && changed) {
 375                 nanoseconds_to_absolutetime(((uint64_t)new_value), &kernel_timeout_spin);
 376                 kernel_spin(kernel_timeout_spin);
 377         }
 378         return error;
 379 }
 380 #endif /* DEVELOPMENT || DEBUG */
 381
 382
 383 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 384     "CPU info");
 385
 386 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 387     (void *)offsetof(i386_cpu_info_t, cpuid_max_basic), sizeof(uint32_t),
 388     i386_cpu_info, "IU", "Max Basic Information value");
 389
 390 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 391     (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t),
 392     i386_cpu_info, "IU", "Max Extended Function Information value");
 393
 394 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 395     (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
 396     i386_cpu_info, "A", "CPU vendor");
 397
 398 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 399     (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
 400     i386_cpu_info, "A", "CPU brand string");
 401
 402 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 403     (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
 404     i386_cpu_info, "I", "CPU family");
 405
 406 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 407     (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
 408     i386_cpu_info, "I", "CPU model");
 409
 410 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 411     (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
 412     i386_cpu_info, "I", "CPU extended model");
 413
 414 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 415     (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
 416     i386_cpu_info, "I", "CPU extended family");
 417
 418 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 419     (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
 420     i386_cpu_info, "I", "CPU stepping");
 421
 422 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 423     (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
 424     i386_cpu_info, "IU", "CPU features");
 425
 426 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits,
 427     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 428     (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features),
 429     sizeof(uint64_t),
 430     i386_cpu_info_nonzero, "IU", "CPU Leaf7 features [EBX ECX]");
 431
 432 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits_edx,
 433     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 434     (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_extfeatures),
 435     sizeof(uint32_t),
 436     i386_cpu_info_nonzero, "IU", "CPU Leaf7 features [EDX]");
 437
 438 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 439     (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
 440     i386_cpu_info, "IU", "CPU extended features");
 441
 442 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 443     (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 444     i386_cpu_info, "I", "CPU signature");
 445
 446 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 447     (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 448     i386_cpu_info, "I", "CPU brand");
 449
 450 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 451     0, 0,
 452     cpu_features, "A", "CPU feature names");
 453
 454 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features,
 455     CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 456     0, 0,
 457     cpu_leaf7_features, "A", "CPU Leaf7 feature names");
 458
 459 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 460     0, 0,
 461     cpu_extfeatures, "A", "CPU extended feature names");
 462
 463 SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
 464     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 465     0, 0,
 466     cpu_logical_per_package, "I", "CPU logical cpus per package");
 467
 468 SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
 469     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 470     (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
 471     sizeof(uint32_t),
 472     i386_cpu_info, "I", "CPU cores per package");
 473
 474 SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version,
 475     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 476     (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version),
 477     sizeof(uint32_t),
 478     i386_cpu_info, "I", "Microcode version number");
 479
 480 SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag,
 481     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 482     (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag),
 483     sizeof(uint32_t),
 484     i386_cpu_info, "I", "CPU processor flag");
 485
 486
 487 SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 488     "mwait");
 489
 490 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min,
 491     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 492     (void *)offsetof(cpuid_mwait_leaf_t, linesize_min),
 493     sizeof(uint32_t),
 494     cpu_mwait, "I", "Monitor/mwait minimum line size");
 495
 496 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max,
 497     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 498     (void *)offsetof(cpuid_mwait_leaf_t, linesize_max),
 499     sizeof(uint32_t),
 500     cpu_mwait, "I", "Monitor/mwait maximum line size");
 501
 502 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions,
 503     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 504     (void *)offsetof(cpuid_mwait_leaf_t, extensions),
 505     sizeof(uint32_t),
 506     cpu_mwait, "I", "Monitor/mwait extensions");
 507
 508 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates,
 509     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 510     (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates),
 511     sizeof(uint32_t),
 512     cpu_mwait, "I", "Monitor/mwait sub C-states");
 513
 514
 515 SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 516     "thermal");
 517
 518 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor,
 519     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 520     (void *)offsetof(cpuid_thermal_leaf_t, sensor),
 521     sizeof(boolean_t),
 522     cpu_thermal, "I", "Thermal sensor present");
 523
 524 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration,
 525     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 526     (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration),
 527     sizeof(boolean_t),
 528     cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)");
 529
 530 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer,
 531     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 532     (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer),
 533     sizeof(boolean_t),
 534     cpu_thermal, "I", "Invariant APIC Timer");
 535
 536 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds,
 537     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 538     (void *)offsetof(cpuid_thermal_leaf_t, thresholds),
 539     sizeof(uint32_t),
 540     cpu_thermal, "I", "Number of interrupt thresholds");
 541
 542 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT,
 543     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 544     (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT),
 545     sizeof(boolean_t),
 546     cpu_thermal, "I", "ACNT_MCNT capability");
 547
 548 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, core_power_limits,
 549     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 550     (void *)offsetof(cpuid_thermal_leaf_t, core_power_limits),
 551     sizeof(boolean_t),
 552     cpu_thermal, "I", "Power Limit Notifications at a Core Level");
 553
 554 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, fine_grain_clock_mod,
 555     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 556     (void *)offsetof(cpuid_thermal_leaf_t, fine_grain_clock_mod),
 557     sizeof(boolean_t),
 558     cpu_thermal, "I", "Fine Grain Clock Modulation");
 559
 560 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr,
 561     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 562     (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr),
 563     sizeof(boolean_t),
 564     cpu_thermal, "I", "Package Thermal interrupt and Status");
 565
 566 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback,
 567     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 568     (void *)offsetof(cpuid_thermal_leaf_t, hardware_feedback),
 569     sizeof(boolean_t),
 570     cpu_thermal, "I", "Hardware Coordination Feedback");
 571
 572 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy,
 573     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 574     (void *)offsetof(cpuid_thermal_leaf_t, energy_policy),
 575     sizeof(boolean_t),
 576     cpu_thermal, "I", "Energy Efficient Policy Support");
 577
 578 SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 579     "xsave");
 580
 581 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state,
 582     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 583     (void *) 0,
 584     sizeof(cpuid_xsave_leaf_t),
 585     cpu_xsave, "IU", "XSAVE Extended State Main Leaf");
 586
 587 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1,
 588     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 589     (void *) sizeof(cpuid_xsave_leaf_t),
 590     sizeof(cpuid_xsave_leaf_t),
 591     cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1");
 592
 593
 594 SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 595     "arch_perf");
 596
 597 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
 598     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 599     (void *)offsetof(cpuid_arch_perf_leaf_t, version),
 600     sizeof(uint8_t),
 601     cpu_arch_perf, "I", "Architectural Performance Version Number");
 602
 603 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
 604     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 605     (void *)offsetof(cpuid_arch_perf_leaf_t, number),
 606     sizeof(uint8_t),
 607     cpu_arch_perf, "I", "Number of counters per logical cpu");
 608
 609 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
 610     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 611     (void *)offsetof(cpuid_arch_perf_leaf_t, width),
 612     sizeof(uint8_t),
 613     cpu_arch_perf, "I", "Bit width of counters");
 614
 615 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
 616     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 617     (void *)offsetof(cpuid_arch_perf_leaf_t, events_number),
 618     sizeof(uint8_t),
 619     cpu_arch_perf, "I", "Number of monitoring events");
 620
 621 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
 622     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 623     (void *)offsetof(cpuid_arch_perf_leaf_t, events),
 624     sizeof(uint32_t),
 625     cpu_arch_perf, "I", "Bit vector of events");
 626
 627 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
 628     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 629     (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number),
 630     sizeof(uint8_t),
 631     cpu_arch_perf, "I", "Number of fixed-function counters");
 632
 633 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
 634     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 635     (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width),
 636     sizeof(uint8_t),
 637     cpu_arch_perf, "I", "Bit-width of fixed-function counters");
 638
 639
 640 SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 641     "cache");
 642
 643 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
 644     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 645     (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
 646     sizeof(uint32_t),
 647     i386_cpu_info, "I", "Cacheline size");
 648
 649 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
 650     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 651     (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
 652     sizeof(uint32_t),
 653     i386_cpu_info, "I", "L2 cache associativity");
 654
 655 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
 656     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 657     (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
 658     sizeof(uint32_t),
 659     i386_cpu_info, "I", "Cache size (in Kbytes)");
 660
 661
 662 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 663     "tlb");
 664 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 665     "inst");
 666 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 667     "data");
 668
 669 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small,
 670     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 671     (void *)offsetof(i386_cpu_info_t,
 672     cpuid_tlb[TLB_INST][TLB_SMALL][0]),
 673     sizeof(uint32_t),
 674     i386_cpu_info_nonzero, "I",
 675     "Number of small page instruction TLBs");
 676
 677 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small,
 678     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 679     (void *)offsetof(i386_cpu_info_t,
 680     cpuid_tlb[TLB_DATA][TLB_SMALL][0]),
 681     sizeof(uint32_t),
 682     i386_cpu_info_nonzero, "I",
 683     "Number of small page data TLBs (1st level)");
 684
 685 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1,
 686     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 687     (void *)offsetof(i386_cpu_info_t,
 688     cpuid_tlb[TLB_DATA][TLB_SMALL][1]),
 689     sizeof(uint32_t),
 690     i386_cpu_info_nonzero, "I",
 691     "Number of small page data TLBs (2nd level)");
 692
 693 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large,
 694     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 695     (void *)offsetof(i386_cpu_info_t,
 696     cpuid_tlb[TLB_INST][TLB_LARGE][0]),
 697     sizeof(uint32_t),
 698     i386_cpu_info_nonzero, "I",
 699     "Number of large page instruction TLBs");
 700
 701 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large,
 702     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 703     (void *)offsetof(i386_cpu_info_t,
 704     cpuid_tlb[TLB_DATA][TLB_LARGE][0]),
 705     sizeof(uint32_t),
 706     i386_cpu_info_nonzero, "I",
 707     "Number of large page data TLBs (1st level)");
 708
 709 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1,
 710     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 711     (void *)offsetof(i386_cpu_info_t,
 712     cpuid_tlb[TLB_DATA][TLB_LARGE][1]),
 713     sizeof(uint32_t),
 714     i386_cpu_info_nonzero, "I",
 715     "Number of large page data TLBs (2nd level)");
 716
 717 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared,
 718     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 719     (void *)offsetof(i386_cpu_info_t, cpuid_stlb),
 720     sizeof(uint32_t),
 721     i386_cpu_info_nonzero, "I",
 722     "Number of shared TLBs");
 723
 724
 725 SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 726     "address_bits");
 727
 728 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
 729     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 730     (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
 731     sizeof(uint32_t),
 732     i386_cpu_info, "I", "Number of physical address bits");
 733
 734 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
 735     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 736     (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
 737     sizeof(uint32_t),
 738     i386_cpu_info, "I", "Number of virtual address bits");
 739
 740
 741 SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
 742     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 743     (void *)offsetof(i386_cpu_info_t, core_count),
 744     sizeof(uint32_t),
 745     i386_cpu_info, "I", "Number of enabled cores per package");
 746
 747 SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
 748     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 749     (void *)offsetof(i386_cpu_info_t, thread_count),
 750     sizeof(uint32_t),
 751     i386_cpu_info, "I", "Number of enabled threads per package");
 752
 753 SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 754     "Flex ratio");
 755
 756 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired,
 757     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 758     0, 0,
 759     cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)");
 760
 761 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min,
 762     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 763     0, 0,
 764     cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)");
 765
 766 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max,
 767     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 768     0, 0,
 769     cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)");
 770
 771 SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate,
 772     CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0,
 773     cpu_ucode_update, "S", "Microcode update interface");
 774
 775 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 776     "TSC/CCC frequency information");
 777
 778 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator,
 779     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 780     (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator),
 781     sizeof(uint32_t),
 782     i386_cpu_info, "I", "Numerator of TSC/CCC ratio");
 783
 784 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator,
 785     CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 786     (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator),
 787     sizeof(uint32_t),
 788     i386_cpu_info, "I", "Denominator of TSC/CCC ratio");
 789
 790 static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT);
 791 static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT);
 792
 793 SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0,
 794     "Interrupt vector assignments");
 795
 796 SYSCTL_UINT(_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *, &apic_timer_vector), 0, "");
 797 SYSCTL_UINT(_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *, &apic_IPI_vector), 0, "");
 798
 799 uint64_t pmap_pv_hashlist_walks;
 800 uint64_t pmap_pv_hashlist_cnts;
 801 uint32_t pmap_pv_hashlist_max;
 802 uint32_t pmap_kernel_text_ps = PAGE_SIZE;
 803 extern uint32_t pv_hashed_kern_low_water_mark;
 804
 805 /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
 806
 807 SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 808     "PMAP info");
 809
 810 SYSCTL_QUAD(_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, "");
 811 SYSCTL_QUAD(_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, "");
 812 SYSCTL_INT(_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, "");
 813 SYSCTL_INT(_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, "");
 814 SYSCTL_INT(_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, "");
 815
 816 SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD | CTLFLAG_LOCKED, NULL, "physical memory map");
 817
 818 uint64_t firmware_Conventional_bytes = 0;
 819 uint64_t firmware_RuntimeServices_bytes = 0;
 820 uint64_t firmware_ACPIReclaim_bytes = 0;
 821 uint64_t firmware_ACPINVS_bytes = 0;
 822 uint64_t firmware_PalCode_bytes = 0;
 823 uint64_t firmware_Reserved_bytes = 0;
 824 uint64_t firmware_Unusable_bytes = 0;
 825 uint64_t firmware_other_bytes = 0;
 826
 827 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_Conventional_bytes, "");
 828 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, "");
 829 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, "");
 830 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, "");
 831 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_PalCode_bytes, "");
 832 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_Reserved_bytes, "");
 833 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_Unusable_bytes, "");
 834 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD | CTLFLAG_LOCKED, &firmware_other_bytes, "");
 835
 836 SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD | CTLFLAG_LOCKED, NULL, "Timestamp counter parameters");
 837
 838 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency,
 839     CTLFLAG_RD | CTLFLAG_LOCKED, &tscFreq, "");
 840
 841 extern uint32_t deep_idle_rebase;
 842 SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase,
 843     CTLFLAG_RD | CTLFLAG_LOCKED, &deep_idle_rebase, 0, "");
 844 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, at_boot,
 845     CTLFLAG_RD | CTLFLAG_LOCKED, &tsc_at_boot, "");
 846 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, rebase_abs_time,
 847     CTLFLAG_RD | CTLFLAG_LOCKED, &tsc_rebase_abs_time, "");
 848 #if DEVELOPMENT || DEBUG
 849 SYSCTL_PROC(_machdep_tsc, OID_AUTO, synch_deltas,
 850     CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 851     0, 0, x86_cpu_tsc_deltas, "A", "TSC synch deltas");
 852 #endif
 853
 854 SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime,
 855     CTLFLAG_RD | CTLFLAG_LOCKED, NULL, "TSC to ns conversion");
 856 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base,
 857     CTLFLAG_RD | CTLFLAG_LOCKED,
 858     __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), "");
 859 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base,
 860     CTLFLAG_RD | CTLFLAG_LOCKED,
 861     __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), "");
 862 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale,
 863     CTLFLAG_RD | CTLFLAG_LOCKED,
 864     __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, "");
 865 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift,
 866     CTLFLAG_RD | CTLFLAG_LOCKED,
 867     __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, "");
 868 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation,
 869     CTLFLAG_RD | CTLFLAG_LOCKED,
 870     __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, "");
 871
 872 SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
 873     "Miscellaneous x86 kernel parameters");
 874
 875 #if (DEVELOPMENT || DEBUG)
 876 extern uint32_t mp_interrupt_watchdog_events;
 877 SYSCTL_UINT(_machdep_misc, OID_AUTO, interrupt_watchdog_events,
 878     CTLFLAG_RW | CTLFLAG_LOCKED, &mp_interrupt_watchdog_events, 0, "");
 879
 880 extern int insnstream_force_cacheline_mismatch;
 881 SYSCTL_INT(_machdep_misc, OID_AUTO, insnstream_force_clmismatch,
 882     CTLFLAG_RW | CTLFLAG_LOCKED, &insnstream_force_cacheline_mismatch, 0, "");
 883 #endif
 884
 885
 886 SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout,
 887     CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 888     0, 0,
 889     panic_set_restart_timeout, "I", "Panic restart timeout in seconds");
 890
 891 SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max,
 892     CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 893     0, 0,
 894     misc_interrupt_latency_max, "A", "Maximum Interrupt latency");
 895
 896 extern boolean_t is_x2apic;
 897 SYSCTL_INT(_machdep, OID_AUTO, x2apic_enabled,
 898     CTLFLAG_KERN | CTLFLAG_RD | CTLFLAG_LOCKED,
 899     &is_x2apic, 0, "");
 900
 901 #if DEVELOPMENT || DEBUG
 902 SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic,
 903     CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 904     0, 0,
 905     misc_machine_check_panic, "A", "Machine-check exception test");
 906
 907 SYSCTL_PROC(_machdep_misc, OID_AUTO, kernel_timeout_spin,
 908     CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
 909     0, sizeof(kernel_timeout_spin),
 910     misc_kernel_timeout_spin, "Q", "Kernel timeout panic test");
 911
 912 SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs,
 913     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 914     &reportphyreaddelayabs, "");
 915 SYSCTL_QUAD(_machdep, OID_AUTO, reportphywriteabs,
 916     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 917     &reportphywritedelayabs, "");
 918 SYSCTL_QUAD(_machdep, OID_AUTO, tracephyreadabs,
 919     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 920     &tracephyreaddelayabs, "");
 921 SYSCTL_QUAD(_machdep, OID_AUTO, tracephywriteabs,
 922     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 923     &tracephywritedelayabs, "");
 924 SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt,
 925     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 926     &reportphyreadosbt, 0, "");
 927 SYSCTL_INT(_machdep, OID_AUTO, reportphywriteosbt,
 928     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 929     &reportphywriteosbt, 0, "");
 930 SYSCTL_INT(_machdep, OID_AUTO, phyreaddelaypanic,
 931     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 932     &phyreadpanic, 0, "");
 933 SYSCTL_INT(_machdep, OID_AUTO, phywritedelaypanic,
 934     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 935     &phywritepanic, 0, "");
 936 #if DEVELOPMENT || DEBUG
 937 extern uint64_t simulate_stretched_io;
 938 SYSCTL_QUAD(_machdep, OID_AUTO, sim_stretched_io_ns,
 939     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 940     &simulate_stretched_io, "");
 941 #endif
 942
 943 extern int pmap_pagezero_mitigation;
 944 extern int pmap_asserts_enabled, pmap_asserts_traced;
 945 /* On DEV/DEBUG kernels, clear this to disable the SMAP emulation
 946  * (address space disconnect) for pagezero-less processes.
 947  */
 948 SYSCTL_INT(_machdep, OID_AUTO, pmap_pagezero_mitigation,
 949     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 950     &pmap_pagezero_mitigation, 0, "");
 951 /* Toggle pmap assertions */
 952 SYSCTL_INT(_machdep, OID_AUTO, pmap_asserts,
 953     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 954     &pmap_asserts_enabled, 0, "");
 955 /* Transform pmap assertions into kernel trace terminations */
 956 SYSCTL_INT(_machdep, OID_AUTO, pmap_asserts_traced,
 957     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 958     &pmap_asserts_traced, 0, "");
 959
 960 static int
 961 misc_svisor_read(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 962 {
 963         uint64_t new_value = 0, old_value = 0;
 964         int changed = 0, error;
 965
 966         error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
 967         if ((error == 0) && changed) {
 968                 volatile uint32_t *raddr = (uint32_t *) new_value;
 969                 printf("Supervisor: value at 0x%llx is 0x%x\n", new_value, *raddr);
 970         }
 971         return error;
 972 }
 973
 974 SYSCTL_PROC(_machdep_misc, OID_AUTO, misc_svisor_read,
 975     CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
 976     0, 0,
 977     misc_svisor_read, "I", "supervisor mode read");
 978
 979 #endif /* DEVELOPMENT || DEBUG */
 980
 981 extern void timer_queue_trace_cpu(int);
 982 static int
 983 misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 984 {
 985         int changed = 0, error;
 986         char buf[128];
 987         buf[0] = '\0';
 988
 989         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 990
 991         if (error == 0 && changed) {
 992                 timer_queue_trace_cpu(0);
 993         }
 994         return error;
 995 }
 996
 997 SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace,
 998     CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 999     0, 0,
1000     misc_timer_queue_trace, "A", "Cut timer queue tracepoint");
1001
1002 extern long NMI_count;
1003 extern void NMI_cpus(void);
1004 static int
1005 misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
1006 {
1007         int new = 0, old = 0, changed = 0, error;
1008
1009         old = (int)MIN(NMI_count, INT_MAX);
1010
1011         error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
1012         if (error == 0 && changed) {
1013                 NMI_cpus();
1014         }
1015
1016         return error;
1017 }
1018
1019 SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis,
1020     CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
1021     0, 0,
1022     misc_nmis, "I", "Report/increment NMI count");
1023
1024 /* Parameters related to timer coalescing tuning, to be replaced
1025  * with a dedicated systemcall in the future.
1026  */
1027 /* Enable processing pending timers in the context of any other interrupt */
1028 SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled,
1029     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1030     &interrupt_timer_coalescing_enabled, 0, "");
1031 /* Upon entering idle, process pending timers with HW deadlines
1032  * this far in the future.
1033  */
1034 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max,
1035     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1036     &idle_entry_timer_processing_hdeadline_threshold, 0, "");
1037
1038 /* Track potentially expensive eager timer evaluations on QoS tier
1039  * switches.
1040  */
1041 extern uint32_t ml_timer_eager_evaluations;
1042
1043 SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations,
1044     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1045     &ml_timer_eager_evaluations, 0, "");
1046
1047 extern uint64_t ml_timer_eager_evaluation_max;
1048
1049 SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max,
1050     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1051     &ml_timer_eager_evaluation_max, "");
1052 extern uint64_t x86_isr_fp_simd_use;
1053 SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses,
1054     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1055     &x86_isr_fp_simd_use, "");
1056 #if DEVELOPMENT || DEBUG
1057
1058 extern int plctrace_enabled;
1059
1060 SYSCTL_INT(_machdep, OID_AUTO, pltrace,
1061     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1062     &plctrace_enabled, 0, "");
1063
1064 /* Intentionally not declared as volatile here: */
1065 extern int mmiotrace_enabled;
1066
1067 SYSCTL_INT(_machdep, OID_AUTO, MMIOtrace,
1068     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1069     &mmiotrace_enabled, 0, "");
1070
1071 extern int fpsimd_fault_popc;
1072 SYSCTL_INT(_machdep, OID_AUTO, fpsimd_fault_popc,
1073     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1074     &fpsimd_fault_popc, 0, "");
1075
1076 volatile int stop_spinning;
1077 static int
1078 spin_in_the_kernel(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
1079 {
1080         int new = 0, old = 0, changed = 0, error;
1081
1082         error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
1083         if (error == 0 && changed) {
1084                 stop_spinning = FALSE;
1085                 while (stop_spinning == FALSE) {
1086                         __builtin_ia32_pause();
1087                 }
1088         } else if (error == 0) {
1089                 stop_spinning = TRUE;
1090         }
1091
1092         return error;
1093 }
1094
1095 SYSCTL_PROC(_machdep_misc, OID_AUTO, spin_forever,
1096     CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED | CTLFLAG_MASKED,
1097     0, 0,
1098     spin_in_the_kernel, "I", "Spin forever");
1099
1100
1101 extern int traptrace_enabled;
1102 SYSCTL_INT(_machdep_misc, OID_AUTO, traptrace_enabled,
1103     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
1104     &traptrace_enabled, 0, "Enabled/disable trap trace");
1105
1106 #endif /* DEVELOPMENT || DEBUG */