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