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 #include <i386/mp.h>
  43
  44
  45 static int
  46 _i386_cpu_info SYSCTL_HANDLER_ARGS
  47 {
  48     __unused struct sysctl_oid *unused_oidp = oidp;
  49     void *ptr = arg1;
  50     int value;
  51
  52     if (arg2 == -1) {
  53         ptr = *(void **)ptr;
  54         arg2 = 0;
  55     }
  56
  57     if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
  58         return ENOENT;
  59     }
  60
  61     if (arg2 == sizeof(uint8_t)) {
  62         value = (uint32_t) *(uint8_t *)ptr;
  63         ptr = &value;
  64         arg2 = sizeof(uint32_t);
  65     }
  66     return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
  67 }
  68
  69 static int
  70 i386_cpu_info SYSCTL_HANDLER_ARGS
  71 {
  72     void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  73     return _i386_cpu_info(oidp, ptr, arg2, req);
  74 }
  75
  76 static int
  77 i386_cpu_info_nonzero SYSCTL_HANDLER_ARGS
  78 {
  79     void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  80     int value = *(uint32_t *)ptr;
  81
  82     if (value == 0)
  83         return ENOENT;
  84
  85     return _i386_cpu_info(oidp, ptr, arg2, req);
  86 }
  87 static int
  88 cpu_mwait SYSCTL_HANDLER_ARGS
  89 {
  90     i386_cpu_info_t *cpu_info = cpuid_info();
  91     void *ptr = (uint8_t *)cpu_info->cpuid_mwait_leafp + (uintptr_t)arg1;
  92     if (cpu_info->cpuid_mwait_leafp == NULL)
  93         return ENOENT;
  94     return _i386_cpu_info(oidp, ptr, arg2, req);
  95 }
  96
  97 static int
  98 cpu_thermal SYSCTL_HANDLER_ARGS
  99 {
 100     i386_cpu_info_t *cpu_info = cpuid_info();
 101     void *ptr = (uint8_t *)cpu_info->cpuid_thermal_leafp + (uintptr_t)arg1;
 102     if (cpu_info->cpuid_thermal_leafp == NULL)
 103         return ENOENT;
 104     return _i386_cpu_info(oidp, ptr, arg2, req);
 105 }
 106
 107 static int
 108 cpu_arch_perf SYSCTL_HANDLER_ARGS
 109 {
 110     i386_cpu_info_t *cpu_info = cpuid_info();
 111     void *ptr = (uint8_t *)cpu_info->cpuid_arch_perf_leafp + (uintptr_t)arg1;
 112     if (cpu_info->cpuid_arch_perf_leafp == NULL)
 113         return ENOENT;
 114     return _i386_cpu_info(oidp, ptr, arg2, req);
 115 }
 116
 117 static int
 118 cpu_xsave SYSCTL_HANDLER_ARGS
 119 {
 120     i386_cpu_info_t *cpu_info = cpuid_info();
 121     void *ptr = (uint8_t *)cpu_info->cpuid_xsave_leafp + (uintptr_t)arg1;
 122     if (cpu_info->cpuid_xsave_leafp == NULL)
 123         return ENOENT;
 124     return _i386_cpu_info(oidp, ptr, arg2, req);
 125 }
 126
 127
 128 static int
 129 cpu_features SYSCTL_HANDLER_ARGS
 130 {
 131     __unused struct sysctl_oid *unused_oidp = oidp;
 132     __unused void *unused_arg1 = arg1;
 133     __unused int unused_arg2 = arg2;
 134     char buf[512];
 135
 136     buf[0] = '\0';
 137     cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
 138
 139     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 140 }
 141
 142 static int
 143 cpu_extfeatures SYSCTL_HANDLER_ARGS
 144 {
 145     __unused struct sysctl_oid *unused_oidp = oidp;
 146     __unused void *unused_arg1 = arg1;
 147     __unused int unused_arg2 = arg2;
 148     char buf[512];
 149
 150     buf[0] = '\0';
 151     cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
 152
 153     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 154 }
 155
 156 static int
 157 cpu_leaf7_features SYSCTL_HANDLER_ARGS
 158 {
 159     __unused struct sysctl_oid *unused_oidp = oidp;
 160     __unused void *unused_arg1 = arg1;
 161     __unused int unused_arg2 = arg2;
 162     char buf[512];
 163
 164     uint32_t    leaf7_features = cpuid_info()->cpuid_leaf7_features;
 165     if (leaf7_features == 0)
 166         return ENOENT;
 167
 168     buf[0] = '\0';
 169     cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf));
 170
 171     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 172 }
 173
 174 static int
 175 cpu_logical_per_package SYSCTL_HANDLER_ARGS
 176 {
 177         __unused struct sysctl_oid *unused_oidp = oidp;
 178         __unused void *unused_arg1 = arg1;
 179         __unused int unused_arg2 = arg2;
 180         i386_cpu_info_t *cpu_info = cpuid_info();
 181
 182         if (!(cpuid_features() & CPUID_FEATURE_HTT))
 183                 return ENOENT;
 184
 185         return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package,
 186                           sizeof(cpu_info->cpuid_logical_per_package));
 187 }
 188
 189 static int
 190 cpu_flex_ratio_desired SYSCTL_HANDLER_ARGS
 191 {
 192         __unused struct sysctl_oid *unused_oidp = oidp;
 193         __unused void *unused_arg1 = arg1;
 194         __unused int unused_arg2 = arg2;
 195         i386_cpu_info_t *cpu_info = cpuid_info();
 196
 197         if (cpu_info->cpuid_model != 26)
 198                 return ENOENT;
 199
 200         return SYSCTL_OUT(req, &flex_ratio, sizeof(flex_ratio));
 201 }
 202
 203 static int
 204 cpu_flex_ratio_min 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         return SYSCTL_OUT(req, &flex_ratio_min, sizeof(flex_ratio_min));
 215 }
 216
 217 static int
 218 cpu_flex_ratio_max SYSCTL_HANDLER_ARGS
 219 {
 220         __unused struct sysctl_oid *unused_oidp = oidp;
 221         __unused void *unused_arg1 = arg1;
 222         __unused int unused_arg2 = arg2;
 223         i386_cpu_info_t *cpu_info = cpuid_info();
 224
 225         if (cpu_info->cpuid_model != 26)
 226                 return ENOENT;
 227
 228         return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max));
 229 }
 230
 231 static int
 232 cpu_ucode_update SYSCTL_HANDLER_ARGS
 233 {
 234         __unused struct sysctl_oid *unused_oidp = oidp;
 235         __unused void *unused_arg1 = arg1;
 236         __unused int unused_arg2 = arg2;
 237         uint64_t addr;
 238         int error;
 239
 240         error = SYSCTL_IN(req, &addr, sizeof(addr));
 241         if (error)
 242                 return error;
 243
 244         int ret = ucode_interface(addr);
 245         return ret;
 246 }
 247
 248 extern uint64_t panic_restart_timeout;
 249 static int
 250 panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 251 {
 252         int new_value = 0, old_value = 0, changed = 0, error;
 253         uint64_t nstime;
 254
 255         if (panic_restart_timeout) {
 256                 absolutetime_to_nanoseconds(panic_restart_timeout, &nstime);
 257                 old_value = nstime / NSEC_PER_SEC;
 258         }
 259
 260         error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
 261         if (error == 0 && changed) {
 262                 nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout);
 263         }
 264         return error;
 265 }
 266
 267 /*
 268  * Populates the {CPU, vector, latency} triple for the maximum observed primary
 269  * interrupt latency
 270  */
 271 static int
 272 misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 273 {
 274         int changed = 0, error;
 275         char buf[128];
 276         buf[0] = '\0';
 277
 278         interrupt_populate_latency_stats(buf, sizeof(buf));
 279
 280         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 281
 282         if (error == 0 && changed) {
 283                 interrupt_reset_latency_stats();
 284         }
 285
 286         return error;
 287 }
 288
 289 #if DEVELOPMENT || DEBUG
 290 /*
 291  * Triggers a machine-check exception - for a suitably configured kernel only.
 292  */
 293 extern void mca_exception_panic(void);
 294 static int
 295 misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 296 {
 297         int changed = 0, error;
 298         char buf[128];
 299         buf[0] = '\0';
 300
 301         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 302
 303         if (error == 0 && changed) {
 304                 mca_exception_panic();
 305         }
 306         return error;
 307 }
 308
 309 /*
 310  * Triggers a non-responsive processor timeout panic - for a suitably configured kernel only.
 311  */
 312 static uint64_t kernel_timeout_spin = 0;
 313 static int
 314 misc_kernel_timeout_spin(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 315 {
 316         uint64_t        old_value;
 317         uint64_t        new_value;
 318         int changed = 0, error;
 319         char buf[128];
 320         buf[0] = '\0';
 321
 322         absolutetime_to_nanoseconds(kernel_timeout_spin, &old_value);
 323
 324         error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
 325         if (error == 0 && changed) {
 326                 nanoseconds_to_absolutetime(((uint64_t)new_value), &kernel_timeout_spin);
 327                 kernel_spin(kernel_timeout_spin);
 328         }
 329         return error;
 330 }
 331 #endif /* DEVELOPMENT || DEBUG */
 332
 333
 334 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 335         "CPU info");
 336
 337 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 338             (void *)offsetof(i386_cpu_info_t, cpuid_max_basic),sizeof(uint32_t),
 339             i386_cpu_info, "IU", "Max Basic Information value");
 340
 341 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 342             (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t),
 343             i386_cpu_info, "IU", "Max Extended Function Information value");
 344
 345 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 346             (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
 347             i386_cpu_info, "A", "CPU vendor");
 348
 349 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 350             (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
 351             i386_cpu_info, "A", "CPU brand string");
 352
 353 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 354             (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
 355             i386_cpu_info, "I", "CPU family");
 356
 357 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 358             (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
 359             i386_cpu_info, "I", "CPU model");
 360
 361 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 362             (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
 363             i386_cpu_info, "I", "CPU extended model");
 364
 365 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 366             (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
 367             i386_cpu_info, "I", "CPU extended family");
 368
 369 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 370             (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
 371             i386_cpu_info, "I", "CPU stepping");
 372
 373 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 374             (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
 375             i386_cpu_info, "IU", "CPU features");
 376
 377 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits,
 378             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 379             (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features),
 380             sizeof(uint32_t),
 381             i386_cpu_info_nonzero, "IU", "CPU Leaf7 features");
 382
 383 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 384             (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
 385             i386_cpu_info, "IU", "CPU extended features");
 386
 387 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 388             (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 389             i386_cpu_info, "I", "CPU signature");
 390
 391 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 392             (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 393             i386_cpu_info, "I", "CPU brand");
 394
 395 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 396             0, 0,
 397             cpu_features, "A", "CPU feature names");
 398
 399 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features,
 400             CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 401             0, 0,
 402             cpu_leaf7_features, "A", "CPU Leaf7 feature names");
 403
 404 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 405             0, 0,
 406             cpu_extfeatures, "A", "CPU extended feature names");
 407
 408 SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
 409             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 410             0, 0,
 411             cpu_logical_per_package, "I", "CPU logical cpus per package");
 412
 413 SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
 414             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 415             (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
 416             sizeof(uint32_t),
 417             i386_cpu_info, "I", "CPU cores per package");
 418
 419 SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version,
 420             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 421             (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version),
 422             sizeof(uint32_t),
 423             i386_cpu_info, "I", "Microcode version number");
 424
 425 SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag,
 426             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 427             (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag),
 428             sizeof(uint32_t),
 429             i386_cpu_info, "I", "CPU processor flag");
 430
 431
 432 SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 433         "mwait");
 434
 435 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min,
 436             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 437             (void *)offsetof(cpuid_mwait_leaf_t, linesize_min),
 438             sizeof(uint32_t),
 439             cpu_mwait, "I", "Monitor/mwait minimum line size");
 440
 441 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max,
 442             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 443             (void *)offsetof(cpuid_mwait_leaf_t, linesize_max),
 444             sizeof(uint32_t),
 445             cpu_mwait, "I", "Monitor/mwait maximum line size");
 446
 447 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions,
 448             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 449             (void *)offsetof(cpuid_mwait_leaf_t, extensions),
 450             sizeof(uint32_t),
 451             cpu_mwait, "I", "Monitor/mwait extensions");
 452
 453 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates,
 454             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 455             (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates),
 456             sizeof(uint32_t),
 457             cpu_mwait, "I", "Monitor/mwait sub C-states");
 458
 459
 460 SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 461         "thermal");
 462
 463 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor,
 464             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 465             (void *)offsetof(cpuid_thermal_leaf_t, sensor),
 466             sizeof(boolean_t),
 467             cpu_thermal, "I", "Thermal sensor present");
 468
 469 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration,
 470             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 471             (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration),
 472             sizeof(boolean_t),
 473             cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)");
 474
 475 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer,
 476             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 477             (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer),
 478             sizeof(boolean_t),
 479             cpu_thermal, "I", "Invariant APIC Timer");
 480
 481 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds,
 482             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 483             (void *)offsetof(cpuid_thermal_leaf_t, thresholds),
 484             sizeof(uint32_t),
 485             cpu_thermal, "I", "Number of interrupt thresholds");
 486
 487 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT,
 488             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 489             (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT),
 490             sizeof(boolean_t),
 491             cpu_thermal, "I", "ACNT_MCNT capability");
 492
 493 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, core_power_limits,
 494             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 495             (void *)offsetof(cpuid_thermal_leaf_t, core_power_limits),
 496             sizeof(boolean_t),
 497             cpu_thermal, "I", "Power Limit Notifications at a Core Level");
 498
 499 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, fine_grain_clock_mod,
 500             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 501             (void *)offsetof(cpuid_thermal_leaf_t, fine_grain_clock_mod),
 502             sizeof(boolean_t),
 503             cpu_thermal, "I", "Fine Grain Clock Modulation");
 504
 505 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr,
 506             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 507             (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr),
 508             sizeof(boolean_t),
 509             cpu_thermal, "I", "Package Thermal interrupt and Status");
 510
 511 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback,
 512             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 513             (void *)offsetof(cpuid_thermal_leaf_t, hardware_feedback),
 514             sizeof(boolean_t),
 515             cpu_thermal, "I", "Hardware Coordination Feedback");
 516
 517 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy,
 518             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 519             (void *)offsetof(cpuid_thermal_leaf_t, energy_policy),
 520             sizeof(boolean_t),
 521             cpu_thermal, "I", "Energy Efficient Policy Support");
 522
 523 SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 524         "xsave");
 525
 526 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state,
 527             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 528             (void *) 0,
 529             sizeof(cpuid_xsave_leaf_t),
 530             cpu_xsave, "IU", "XSAVE Extended State Main Leaf");
 531
 532 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1,
 533             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 534             (void *) sizeof(cpuid_xsave_leaf_t),
 535             sizeof(cpuid_xsave_leaf_t),
 536             cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1");
 537
 538
 539 SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 540         "arch_perf");
 541
 542 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
 543             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 544             (void *)offsetof(cpuid_arch_perf_leaf_t, version),
 545             sizeof(uint8_t),
 546             cpu_arch_perf, "I", "Architectural Performance Version Number");
 547
 548 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
 549             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 550             (void *)offsetof(cpuid_arch_perf_leaf_t, number),
 551             sizeof(uint8_t),
 552             cpu_arch_perf, "I", "Number of counters per logical cpu");
 553
 554 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
 555             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 556             (void *)offsetof(cpuid_arch_perf_leaf_t, width),
 557             sizeof(uint8_t),
 558             cpu_arch_perf, "I", "Bit width of counters");
 559
 560 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
 561             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 562             (void *)offsetof(cpuid_arch_perf_leaf_t, events_number),
 563             sizeof(uint8_t),
 564             cpu_arch_perf, "I", "Number of monitoring events");
 565
 566 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
 567             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 568             (void *)offsetof(cpuid_arch_perf_leaf_t, events),
 569             sizeof(uint32_t),
 570             cpu_arch_perf, "I", "Bit vector of events");
 571
 572 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
 573             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 574             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number),
 575             sizeof(uint8_t),
 576             cpu_arch_perf, "I", "Number of fixed-function counters");
 577
 578 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
 579             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 580             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width),
 581             sizeof(uint8_t),
 582             cpu_arch_perf, "I", "Bit-width of fixed-function counters");
 583
 584
 585 SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 586         "cache");
 587
 588 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
 589             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 590             (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
 591             sizeof(uint32_t),
 592             i386_cpu_info, "I", "Cacheline size");
 593
 594 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
 595             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 596             (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
 597             sizeof(uint32_t),
 598             i386_cpu_info, "I", "L2 cache associativity");
 599
 600 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
 601             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 602             (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
 603             sizeof(uint32_t),
 604             i386_cpu_info, "I", "Cache size (in Kbytes)");
 605
 606
 607 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 608         "tlb");
 609 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 610         "inst");
 611 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 612         "data");
 613
 614 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small,
 615             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 616             (void *)offsetof(i386_cpu_info_t,
 617                              cpuid_tlb[TLB_INST][TLB_SMALL][0]),
 618             sizeof(uint32_t),
 619             i386_cpu_info_nonzero, "I",
 620             "Number of small page instruction TLBs");
 621
 622 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small,
 623             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 624             (void *)offsetof(i386_cpu_info_t,
 625                              cpuid_tlb[TLB_DATA][TLB_SMALL][0]),
 626             sizeof(uint32_t),
 627             i386_cpu_info_nonzero, "I",
 628             "Number of small page data TLBs (1st level)");
 629
 630 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1,
 631             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 632             (void *)offsetof(i386_cpu_info_t,
 633                              cpuid_tlb[TLB_DATA][TLB_SMALL][1]),
 634             sizeof(uint32_t),
 635             i386_cpu_info_nonzero, "I",
 636             "Number of small page data TLBs (2nd level)");
 637
 638 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large,
 639             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 640             (void *)offsetof(i386_cpu_info_t,
 641                              cpuid_tlb[TLB_INST][TLB_LARGE][0]),
 642             sizeof(uint32_t),
 643             i386_cpu_info_nonzero, "I",
 644             "Number of large page instruction TLBs");
 645
 646 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large,
 647             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 648             (void *)offsetof(i386_cpu_info_t,
 649                              cpuid_tlb[TLB_DATA][TLB_LARGE][0]),
 650             sizeof(uint32_t),
 651             i386_cpu_info_nonzero, "I",
 652             "Number of large page data TLBs (1st level)");
 653
 654 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1,
 655             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 656             (void *)offsetof(i386_cpu_info_t,
 657                              cpuid_tlb[TLB_DATA][TLB_LARGE][1]),
 658             sizeof(uint32_t),
 659             i386_cpu_info_nonzero, "I",
 660             "Number of large page data TLBs (2nd level)");
 661
 662 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared,
 663             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 664             (void *)offsetof(i386_cpu_info_t, cpuid_stlb),
 665             sizeof(uint32_t),
 666             i386_cpu_info_nonzero, "I",
 667             "Number of shared TLBs");
 668
 669
 670 SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 671         "address_bits");
 672
 673 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
 674             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 675             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
 676             sizeof(uint32_t),
 677             i386_cpu_info, "I", "Number of physical address bits");
 678
 679 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
 680             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 681             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
 682             sizeof(uint32_t),
 683             i386_cpu_info, "I", "Number of virtual address bits");
 684
 685
 686 SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
 687             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 688             (void *)offsetof(i386_cpu_info_t, core_count),
 689             sizeof(uint32_t),
 690             i386_cpu_info, "I", "Number of enabled cores per package");
 691
 692 SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
 693             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 694             (void *)offsetof(i386_cpu_info_t, thread_count),
 695             sizeof(uint32_t),
 696             i386_cpu_info, "I", "Number of enabled threads per package");
 697
 698 SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 699         "Flex ratio");
 700
 701 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired,
 702             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 703             0, 0,
 704             cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)");
 705
 706 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min,
 707             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 708             0, 0,
 709             cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)");
 710
 711 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max,
 712             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 713             0, 0,
 714             cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)");
 715
 716 SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate,
 717             CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0,
 718             cpu_ucode_update, "S", "Microcode update interface");
 719
 720 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 721         "TSC/CCC frequency information");
 722
 723 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator,
 724             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 725             (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator),
 726             sizeof(uint32_t),
 727             i386_cpu_info, "I", "Numerator of TSC/CCC ratio");
 728
 729 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator,
 730             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 731             (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator),
 732             sizeof(uint32_t),
 733             i386_cpu_info, "I", "Denominator of TSC/CCC ratio");
 734
 735 static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT);
 736 static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT);
 737
 738 SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0,
 739         "Interrupt vector assignments");
 740
 741 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_timer_vector), 0, "");
 742 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_IPI_vector), 0, "");
 743
 744 uint64_t pmap_pv_hashlist_walks;
 745 uint64_t pmap_pv_hashlist_cnts;
 746 uint32_t pmap_pv_hashlist_max;
 747 uint32_t pmap_kernel_text_ps = PAGE_SIZE;
 748 extern uint32_t pv_hashed_kern_low_water_mark;
 749
 750 /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
 751
 752 SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 753         "PMAP info");
 754
 755 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, "");
 756 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, "");
 757 SYSCTL_INT     (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, "");
 758 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, "");
 759 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, "");
 760
 761 SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map");
 762
 763 uint64_t firmware_Conventional_bytes = 0;
 764 uint64_t firmware_RuntimeServices_bytes = 0;
 765 uint64_t firmware_ACPIReclaim_bytes = 0;
 766 uint64_t firmware_ACPINVS_bytes = 0;
 767 uint64_t firmware_PalCode_bytes = 0;
 768 uint64_t firmware_Reserved_bytes = 0;
 769 uint64_t firmware_Unusable_bytes = 0;
 770 uint64_t firmware_other_bytes = 0;
 771
 772 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Conventional_bytes, "");
 773 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, "");
 774 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, "");
 775 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, "");
 776 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_PalCode_bytes, "");
 777 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Reserved_bytes, "");
 778 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Unusable_bytes, "");
 779 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_other_bytes, "");
 780
 781 SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters");
 782
 783 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency,
 784         CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, "");
 785
 786 extern uint32_t deep_idle_rebase;
 787 SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase,
 788         CTLFLAG_RD|CTLFLAG_LOCKED, &deep_idle_rebase, 0, "");
 789 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, at_boot,
 790         CTLFLAG_RD|CTLFLAG_LOCKED, &tsc_at_boot, "");
 791 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, rebase_abs_time,
 792         CTLFLAG_RD|CTLFLAG_LOCKED, &tsc_rebase_abs_time, "");
 793
 794 SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime,
 795         CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion");
 796 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base,
 797         CTLFLAG_RD | CTLFLAG_LOCKED,
 798         __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), "");
 799 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base,
 800         CTLFLAG_RD | CTLFLAG_LOCKED,
 801         __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), "");
 802 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale,
 803         CTLFLAG_RD | CTLFLAG_LOCKED,
 804         __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, "");
 805 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift,
 806         CTLFLAG_RD | CTLFLAG_LOCKED,
 807         __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, "");
 808 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation,
 809         CTLFLAG_RD | CTLFLAG_LOCKED,
 810         __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, "");
 811
 812 SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 813         "Miscellaneous x86 kernel parameters");
 814
 815 #if (DEVELOPMENT || DEBUG)
 816 extern uint32_t mp_interrupt_watchdog_events;
 817 SYSCTL_UINT(_machdep_misc, OID_AUTO, interrupt_watchdog_events,
 818         CTLFLAG_RW|CTLFLAG_LOCKED, &mp_interrupt_watchdog_events, 0, "");
 819 #endif
 820
 821
 822 SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout,
 823             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 824             0, 0,
 825             panic_set_restart_timeout, "I", "Panic restart timeout in seconds");
 826
 827 SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max,
 828             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 829             0, 0,
 830             misc_interrupt_latency_max, "A", "Maximum Interrupt latency");
 831
 832 #if DEVELOPMENT || DEBUG
 833 SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic,
 834             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 835             0, 0,
 836             misc_machine_check_panic, "A", "Machine-check exception test");
 837
 838 SYSCTL_PROC(_machdep_misc, OID_AUTO, kernel_timeout_spin,
 839             CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
 840             0, sizeof(kernel_timeout_spin),
 841             misc_kernel_timeout_spin, "Q", "Kernel timeout panic test");
 842
 843 SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs,
 844                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 845                 &reportphyreaddelayabs, "");
 846 SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt,
 847                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 848                 &reportphyreadosbt, 0, "");
 849 SYSCTL_INT(_machdep, OID_AUTO, phyreaddelaypanic,
 850                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 851                 &phyreadpanic, 0, "");
 852
 853 extern int pmap_pagezero_mitigation;
 854 extern int pmap_asserts_enabled, pmap_asserts_traced;
 855 /* On DEV/DEBUG kernels, clear this to disable the SMAP emulation
 856  * (address space disconnect) for pagezero-less processes.
 857  */
 858 SYSCTL_INT(_machdep, OID_AUTO, pmap_pagezero_mitigation,
 859     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 860     &pmap_pagezero_mitigation, 0, "");
 861 /* Toggle pmap assertions */
 862 SYSCTL_INT(_machdep, OID_AUTO, pmap_asserts,
 863     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 864     &pmap_asserts_enabled, 0, "");
 865 /* Transform pmap assertions into kernel trace terminations */
 866 SYSCTL_INT(_machdep, OID_AUTO, pmap_asserts_traced,
 867     CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 868     &pmap_asserts_traced, 0, "");
 869
 870 static int
 871 misc_svisor_read(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 872 {
 873         uint64_t new_value = 0, old_value = 0;
 874         int changed = 0, error;
 875
 876         error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
 877         if ((error == 0) && changed) {
 878                 volatile uint32_t *raddr = (uint32_t *) new_value;
 879                 printf("Supervisor: value at 0x%llx is 0x%x\n", new_value, *raddr);
 880         }
 881         return error;
 882 }
 883
 884 SYSCTL_PROC(_machdep_misc, OID_AUTO, misc_svisor_read,
 885             CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
 886             0, 0,
 887             misc_svisor_read, "I", "supervisor mode read");
 888
 889 #endif /* DEVELOPMENT || DEBUG */
 890
 891 extern void timer_queue_trace_cpu(int);
 892 static int
 893 misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 894 {
 895         int changed = 0, error;
 896         char buf[128];
 897         buf[0] = '\0';
 898
 899         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 900
 901         if (error == 0 && changed) {
 902                 timer_queue_trace_cpu(0);
 903         }
 904         return error;
 905 }
 906
 907 SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace,
 908             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 909             0, 0,
 910             misc_timer_queue_trace, "A", "Cut timer queue tracepoint");
 911
 912 extern long NMI_count;
 913 extern void NMI_cpus(void);
 914 static int
 915 misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 916 {
 917         int new = 0, old = 0, changed = 0, error;
 918
 919         old = NMI_count;
 920
 921         error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
 922         if (error == 0 && changed) {
 923                 NMI_cpus();
 924         }
 925
 926         return error;
 927 }
 928
 929 SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis,
 930             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 931             0, 0,
 932             misc_nmis, "I", "Report/increment NMI count");
 933
 934 /* Parameters related to timer coalescing tuning, to be replaced
 935  * with a dedicated systemcall in the future.
 936  */
 937 /* Enable processing pending timers in the context of any other interrupt */
 938 SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled,
 939                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 940                 &interrupt_timer_coalescing_enabled, 0, "");
 941 /* Upon entering idle, process pending timers with HW deadlines
 942  * this far in the future.
 943  */
 944 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max,
 945                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 946                 &idle_entry_timer_processing_hdeadline_threshold, 0, "");
 947
 948 /* Track potentially expensive eager timer evaluations on QoS tier
 949  * switches.
 950  */
 951 extern uint32_t ml_timer_eager_evaluations;
 952
 953 SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations,
 954                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 955                 &ml_timer_eager_evaluations, 0, "");
 956
 957 extern uint64_t ml_timer_eager_evaluation_max;
 958
 959 SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max,
 960                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 961                 &ml_timer_eager_evaluation_max, "");
 962 extern uint64_t x86_isr_fp_simd_use;
 963 SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses,
 964                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 965                 &x86_isr_fp_simd_use, "");
 966 #if DEVELOPMENT || DEBUG
 967
 968 extern int plctrace_enabled;
 969
 970 SYSCTL_INT(_machdep, OID_AUTO, pltrace,
 971                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 972                 &plctrace_enabled, 0, "");
 973 #endif /* DEVELOPMENT || DEBUG */