bsd/dev/i386/sysctl.c

   1 /*
   2  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #include <string.h>
  24 #include <sys/param.h>
  25 #include <sys/kernel.h>
  26 #include <sys/sysctl.h>
  27 #include <i386/cpuid.h>
  28
  29 static int
  30 hw_cpu_sysctl SYSCTL_HANDLER_ARGS
  31 {
  32     __unused struct sysctl_oid *unused_oidp = oidp;
  33     i386_cpu_info_t *cpu_info = cpuid_info();
  34     void *ptr = (uint8_t *)cpu_info + (uint32_t)arg1;
  35     int value;
  36
  37     if (arg2 == -1) {
  38         ptr = *(char **)ptr;
  39         arg2 = 0;
  40     }
  41
  42     if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
  43         return ENOENT;
  44     }
  45
  46     if (arg2 == sizeof(uint8_t)) {
  47         value = (uint32_t) *(uint8_t *)ptr;
  48         ptr = &value;
  49         arg2 = sizeof(uint32_t);
  50     }
  51     return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
  52 }
  53
  54 static int
  55 hw_cpu_features SYSCTL_HANDLER_ARGS
  56 {
  57     __unused struct sysctl_oid *unused_oidp = oidp;
  58     __unused void *unused_arg1 = arg1;
  59     __unused int unused_arg2 = arg2;
  60     char buf[256];
  61
  62     buf[0] = '\0';
  63     cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
  64
  65     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
  66 }
  67
  68 static int
  69 hw_cpu_extfeatures SYSCTL_HANDLER_ARGS
  70 {
  71     __unused struct sysctl_oid *unused_oidp = oidp;
  72     __unused void *unused_arg1 = arg1;
  73     __unused int unused_arg2 = arg2;
  74     char buf[256];
  75
  76     buf[0] = '\0';
  77     cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
  78
  79     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
  80 }
  81
  82 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW, 0,
  83         "CPU info");
  84
  85 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD,
  86             (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
  87             hw_cpu_sysctl, "A", "CPU vendor");
  88
  89 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD,
  90             (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
  91             hw_cpu_sysctl, "A", "CPU brand string");
  92
  93 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model_string, CTLTYPE_STRING | CTLFLAG_RD,
  94             (void *)offsetof(i386_cpu_info_t, cpuid_model_string), -1,
  95             hw_cpu_sysctl, "A", "CPU model string");
  96
  97 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD,
  98             (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
  99             hw_cpu_sysctl, "I", "CPU family");
 100
 101 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD,
 102             (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
 103             hw_cpu_sysctl, "I", "CPU model");
 104
 105 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD,
 106             (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
 107             hw_cpu_sysctl, "I", "CPU extended model");
 108
 109 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD,
 110             (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
 111             hw_cpu_sysctl, "I", "CPU extended family");
 112
 113 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD,
 114             (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
 115             hw_cpu_sysctl, "I", "CPU stepping");
 116
 117 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD,
 118             (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
 119             hw_cpu_sysctl, "I", "CPU features");
 120
 121 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD,
 122             (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
 123             hw_cpu_sysctl, "I", "CPU extended features");
 124
 125 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD,
 126             (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 127             hw_cpu_sysctl, "I", "CPU signature");
 128
 129 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD,
 130             (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 131             hw_cpu_sysctl, "I", "CPU brand");
 132
 133 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD,
 134             0, 0,
 135             hw_cpu_features, "A", "CPU feature names");
 136
 137 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD,
 138             0, 0,
 139             hw_cpu_extfeatures, "A", "CPU extended feature names");
 140
 141 SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
 142             CTLTYPE_INT | CTLFLAG_RD,
 143             (void *)offsetof(i386_cpu_info_t, cpuid_logical_per_package),
 144             sizeof(uint32_t),
 145             hw_cpu_sysctl, "I", "CPU logical cpus per package");
 146
 147 SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
 148             CTLTYPE_INT | CTLFLAG_RD,
 149             (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
 150             sizeof(uint32_t),
 151             hw_cpu_sysctl, "I", "CPU cores per package");
 152
 153
 154 struct sysctl_oid *machdep_sysctl_list[] =
 155 {
 156     &sysctl__machdep_cpu,
 157     &sysctl__machdep_cpu_vendor,
 158     &sysctl__machdep_cpu_brand_string,
 159     &sysctl__machdep_cpu_model_string,
 160     &sysctl__machdep_cpu_family,
 161     &sysctl__machdep_cpu_model,
 162     &sysctl__machdep_cpu_extmodel,
 163     &sysctl__machdep_cpu_extfamily,
 164     &sysctl__machdep_cpu_feature_bits,
 165     &sysctl__machdep_cpu_extfeature_bits,
 166     &sysctl__machdep_cpu_stepping,
 167     &sysctl__machdep_cpu_signature,
 168     &sysctl__machdep_cpu_brand,
 169     &sysctl__machdep_cpu_features,
 170     &sysctl__machdep_cpu_extfeatures,
 171     &sysctl__machdep_cpu_logical_per_package,
 172     &sysctl__machdep_cpu_cores_per_package,
 173     (struct sysctl_oid *) 0
 174 };
 175