bsd/dev/i386/sysctl.c

   1 /*
   2  * Copyright (c) 2003 Apple Computer, 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
  36 static int
  37 hw_cpu_sysctl SYSCTL_HANDLER_ARGS
  38 {
  39     __unused struct sysctl_oid *unused_oidp = oidp;
  40     i386_cpu_info_t *cpu_info = cpuid_info();
  41     void *ptr = (uint8_t *)cpu_info + (uint32_t)arg1;
  42     int value;
  43
  44     if (arg2 == -1) {
  45         ptr = *(char **)ptr;
  46         arg2 = 0;
  47     }
  48
  49     if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
  50         return ENOENT;
  51     }
  52
  53     if (arg2 == sizeof(uint8_t)) {
  54         value = (uint32_t) *(uint8_t *)ptr;
  55         ptr = &value;
  56         arg2 = sizeof(uint32_t);
  57     }
  58     return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
  59 }
  60
  61 static int
  62 hw_cpu_features SYSCTL_HANDLER_ARGS
  63 {
  64     __unused struct sysctl_oid *unused_oidp = oidp;
  65     __unused void *unused_arg1 = arg1;
  66     __unused int unused_arg2 = arg2;
  67     char buf[256];
  68
  69     buf[0] = '\0';
  70     cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
  71
  72     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
  73 }
  74
  75 static int
  76 hw_cpu_extfeatures SYSCTL_HANDLER_ARGS
  77 {
  78     __unused struct sysctl_oid *unused_oidp = oidp;
  79     __unused void *unused_arg1 = arg1;
  80     __unused int unused_arg2 = arg2;
  81     char buf[256];
  82
  83     buf[0] = '\0';
  84     cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
  85
  86     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
  87 }
  88
  89 static int
  90 hw_cpu_logical_per_package SYSCTL_HANDLER_ARGS
  91 {
  92         __unused struct sysctl_oid *unused_oidp = oidp;
  93         __unused void *unused_arg1 = arg1;
  94         __unused int unused_arg2 = arg2;
  95         i386_cpu_info_t *cpu_info = cpuid_info();
  96
  97         if (!(cpuid_features() & CPUID_FEATURE_HTT))
  98                 return ENOENT;
  99
 100         return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package,
 101                           sizeof(cpu_info->cpuid_logical_per_package));
 102 }
 103
 104 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 105         "CPU info");
 106
 107 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD,
 108             (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
 109             hw_cpu_sysctl, "A", "CPU vendor");
 110
 111 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD,
 112             (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
 113             hw_cpu_sysctl, "A", "CPU brand string");
 114
 115 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD,
 116             (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
 117             hw_cpu_sysctl, "I", "CPU family");
 118
 119 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD,
 120             (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
 121             hw_cpu_sysctl, "I", "CPU model");
 122
 123 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD,
 124             (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
 125             hw_cpu_sysctl, "I", "CPU extended model");
 126
 127 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD,
 128             (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
 129             hw_cpu_sysctl, "I", "CPU extended family");
 130
 131 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD,
 132             (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
 133             hw_cpu_sysctl, "I", "CPU stepping");
 134
 135 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD,
 136             (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
 137             hw_cpu_sysctl, "I", "CPU features");
 138
 139 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD,
 140             (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
 141             hw_cpu_sysctl, "I", "CPU extended features");
 142
 143 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD,
 144             (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 145             hw_cpu_sysctl, "I", "CPU signature");
 146
 147 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD,
 148             (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 149             hw_cpu_sysctl, "I", "CPU brand");
 150
 151 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD,
 152             0, 0,
 153             hw_cpu_features, "A", "CPU feature names");
 154
 155 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD,
 156             0, 0,
 157             hw_cpu_extfeatures, "A", "CPU extended feature names");
 158
 159 SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
 160             CTLTYPE_INT | CTLFLAG_RD,
 161             0, 0,
 162             hw_cpu_logical_per_package, "I", "CPU logical cpus per package");
 163
 164 SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
 165             CTLTYPE_INT | CTLFLAG_RD,
 166             (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
 167             sizeof(uint32_t),
 168             hw_cpu_sysctl, "I", "CPU cores per package");
 169
 170 SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version,
 171             CTLTYPE_INT | CTLFLAG_RD,
 172             (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version),
 173             sizeof(uint32_t),
 174             hw_cpu_sysctl, "I", "Microcode version number");
 175
 176
 177 SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 178         "mwait");
 179
 180 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min,
 181             CTLTYPE_INT | CTLFLAG_RD,
 182             (void *)offsetof(i386_cpu_info_t, cpuid_mwait_linesize_min),
 183             sizeof(uint32_t),
 184             hw_cpu_sysctl, "I", "Monitor/mwait minimum line size");
 185
 186 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max,
 187             CTLTYPE_INT | CTLFLAG_RD,
 188             (void *)offsetof(i386_cpu_info_t, cpuid_mwait_linesize_max),
 189             sizeof(uint32_t),
 190             hw_cpu_sysctl, "I", "Monitor/mwait maximum line size");
 191
 192 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions,
 193             CTLTYPE_INT | CTLFLAG_RD,
 194             (void *)offsetof(i386_cpu_info_t, cpuid_mwait_extensions),
 195             sizeof(uint32_t),
 196             hw_cpu_sysctl, "I", "Monitor/mwait extensions");
 197
 198 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates,
 199             CTLTYPE_INT | CTLFLAG_RD,
 200             (void *)offsetof(i386_cpu_info_t, cpuid_mwait_sub_Cstates),
 201             sizeof(uint32_t),
 202             hw_cpu_sysctl, "I", "Monitor/mwait sub C-states");
 203
 204
 205 SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 206         "thermal");
 207
 208 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor,
 209             CTLTYPE_INT | CTLFLAG_RD,
 210             (void *)offsetof(i386_cpu_info_t, cpuid_thermal_sensor),
 211             sizeof(boolean_t),
 212             hw_cpu_sysctl, "I", "Thermal sensor present");
 213
 214 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration,
 215             CTLTYPE_INT | CTLFLAG_RD,
 216             (void *)offsetof(i386_cpu_info_t, cpuid_thermal_dynamic_acceleration),
 217             sizeof(boolean_t),
 218             hw_cpu_sysctl, "I", "Dynamic Acceleration Technology");
 219
 220 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds,
 221             CTLTYPE_INT | CTLFLAG_RD,
 222             (void *)offsetof(i386_cpu_info_t, cpuid_thermal_thresholds),
 223             sizeof(uint32_t),
 224             hw_cpu_sysctl, "I", "Number of interrupt thresholds");
 225
 226 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT,
 227             CTLTYPE_INT | CTLFLAG_RD,
 228             (void *)offsetof(i386_cpu_info_t, cpuid_thermal_ACNT_MCNT),
 229             sizeof(boolean_t),
 230             hw_cpu_sysctl, "I", "ACNT_MCNT capability");
 231
 232
 233 SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 234         "arch_perf");
 235
 236 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
 237             CTLTYPE_INT | CTLFLAG_RD,
 238             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_version),
 239             sizeof(uint8_t),
 240             hw_cpu_sysctl, "I", "Architectural Performance Version Number");
 241
 242 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
 243             CTLTYPE_INT | CTLFLAG_RD,
 244             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_number),
 245             sizeof(uint8_t),
 246             hw_cpu_sysctl, "I", "Number of counters per logical cpu");
 247
 248 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
 249             CTLTYPE_INT | CTLFLAG_RD,
 250             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_width),
 251             sizeof(uint8_t),
 252             hw_cpu_sysctl, "I", "Bit width of counters");
 253
 254 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
 255             CTLTYPE_INT | CTLFLAG_RD,
 256             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_events_number),
 257             sizeof(uint8_t),
 258             hw_cpu_sysctl, "I", "Number of monitoring events");
 259
 260 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
 261             CTLTYPE_INT | CTLFLAG_RD,
 262             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_events),
 263             sizeof(uint32_t),
 264             hw_cpu_sysctl, "I", "Bit vector of events");
 265
 266 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
 267             CTLTYPE_INT | CTLFLAG_RD,
 268             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_fixed_number),
 269             sizeof(uint8_t),
 270             hw_cpu_sysctl, "I", "Number of fixed-function counters");
 271
 272 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
 273             CTLTYPE_INT | CTLFLAG_RD,
 274             (void *)offsetof(i386_cpu_info_t, cpuid_arch_perf_fixed_width),
 275             sizeof(uint8_t),
 276             hw_cpu_sysctl, "I", "Bit-width of fixed-function counters");
 277
 278
 279 SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 280         "cache");
 281
 282 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
 283             CTLTYPE_INT | CTLFLAG_RD,
 284             (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
 285             sizeof(uint32_t),
 286             hw_cpu_sysctl, "I", "Cacheline size");
 287
 288 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
 289             CTLTYPE_INT | CTLFLAG_RD,
 290             (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
 291             sizeof(uint32_t),
 292             hw_cpu_sysctl, "I", "L2 cache associativity");
 293
 294 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
 295             CTLTYPE_INT | CTLFLAG_RD,
 296             (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
 297             sizeof(uint32_t),
 298             hw_cpu_sysctl, "I", "Cache size (in Kbytes)");
 299
 300
 301 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 302         "tlb");
 303
 304 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, inst_small,
 305             CTLTYPE_INT | CTLFLAG_RD,
 306             (void *)offsetof(i386_cpu_info_t, cpuid_itlb_small),
 307             sizeof(uint32_t),
 308             hw_cpu_sysctl, "I", "Number of small page instruction TLBs");
 309
 310 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, data_small,
 311             CTLTYPE_INT | CTLFLAG_RD,
 312             (void *)offsetof(i386_cpu_info_t, cpuid_dtlb_small),
 313             sizeof(uint32_t),
 314             hw_cpu_sysctl, "I", "Number of small page data TLBs");
 315
 316 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, inst_large,
 317             CTLTYPE_INT | CTLFLAG_RD,
 318             (void *)offsetof(i386_cpu_info_t, cpuid_itlb_large),
 319             sizeof(uint32_t),
 320             hw_cpu_sysctl, "I", "Number of large page instruction TLBs");
 321
 322 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, data_large,
 323             CTLTYPE_INT | CTLFLAG_RD,
 324             (void *)offsetof(i386_cpu_info_t, cpuid_dtlb_large),
 325             sizeof(uint32_t),
 326             hw_cpu_sysctl, "I", "Number of large page data TLBs");
 327
 328
 329 SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 330         "address_bits");
 331
 332 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
 333             CTLTYPE_INT | CTLFLAG_RD,
 334             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
 335             sizeof(uint32_t),
 336             hw_cpu_sysctl, "I", "Number of physical address bits");
 337
 338 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
 339             CTLTYPE_INT | CTLFLAG_RD,
 340             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
 341             sizeof(uint32_t),
 342             hw_cpu_sysctl, "I", "Number of virtual address bits");
 343
 344 SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
 345             CTLTYPE_INT | CTLFLAG_RD,
 346             (void *)offsetof(i386_cpu_info_t, core_count),
 347             sizeof(uint32_t),
 348             hw_cpu_sysctl, "I", "Number of enabled cores per package");
 349
 350 SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
 351             CTLTYPE_INT | CTLFLAG_RD,
 352             (void *)offsetof(i386_cpu_info_t, thread_count),
 353             sizeof(uint32_t),
 354             hw_cpu_sysctl, "I", "Number of enabled threads per package");
 355
 356
 357 uint64_t pmap_pv_hashlist_walks;
 358 uint64_t pmap_pv_hashlist_cnts;
 359 uint32_t pmap_pv_hashlist_max;
 360
 361 /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
 362
 363 SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 364         "PMAP info");
 365
 366 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN, &pmap_pv_hashlist_walks, "");
 367 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN, &pmap_pv_hashlist_cnts, "");
 368 SYSCTL_INT     (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN, &pmap_pv_hashlist_max, 0, "");