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 <sys/param.h>
  24 #include <sys/kernel.h>
  25 #include <sys/sysctl.h>
  26 #include <i386/cpuid.h>
  27
  28 static int
  29 hw_cpu_sysctl SYSCTL_HANDLER_ARGS
  30 {
  31     i386_cpu_info_t cpu_info;
  32     void *ptr = (uint8_t *)&cpu_info + (uint32_t)arg1;
  33     int value;
  34
  35     cpuid_get_info(&cpu_info);
  36
  37     if (arg2 == sizeof(uint8_t)) {
  38         value = (uint32_t) *(uint8_t *)ptr;
  39         ptr = &value;
  40         arg2 = sizeof(uint32_t);
  41     }
  42     return SYSCTL_OUT(req, ptr, arg2 ? arg2 : strlen((char *)ptr)+1);
  43     return 0;
  44 }
  45
  46 static int
  47 hw_cpu_features SYSCTL_HANDLER_ARGS
  48 {
  49     i386_cpu_info_t cpu_info;
  50     char buf[256];
  51     vm_size_t size;
  52
  53     cpuid_get_info(&cpu_info);
  54     buf[0] = '\0';
  55     cpuid_get_feature_names(cpu_info.cpuid_features, buf, sizeof(buf));
  56
  57     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
  58 }
  59
  60 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW, 0,
  61         "CPU info");
  62
  63 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD,
  64             (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
  65             hw_cpu_sysctl, "A", "CPU vendor");
  66
  67 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD,
  68             (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
  69             hw_cpu_sysctl, "A", "CPU brand string");
  70
  71 SYSCTL_PROC(_machdep_cpu, OID_AUTO, value, CTLTYPE_INT | CTLFLAG_RD,
  72             (void *)offsetof(i386_cpu_info_t, cpuid_value), sizeof(uint32_t),
  73             hw_cpu_sysctl, "I", "CPU value");
  74
  75 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD,
  76             (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
  77             hw_cpu_sysctl, "I", "CPU family");
  78
  79 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD,
  80             (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
  81             hw_cpu_sysctl, "I", "CPU model");
  82
  83 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD,
  84             (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
  85             hw_cpu_sysctl, "I", "CPU extended model");
  86
  87 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD,
  88             (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
  89             hw_cpu_sysctl, "I", "CPU extended family");
  90
  91 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD,
  92             (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
  93             hw_cpu_sysctl, "I", "CPU stepping");
  94
  95 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_INT | CTLFLAG_RD,
  96             (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint32_t),
  97             hw_cpu_sysctl, "I", "CPU features");
  98
  99 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD,
 100             (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 101             hw_cpu_sysctl, "I", "CPU signature");
 102
 103 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD,
 104             (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 105             hw_cpu_sysctl, "I", "CPU brand");
 106
 107 #if 0
 108 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model_string, CTLTYPE_STRING | CTLFLAG_RD,
 109             (void *)offsetof(i386_cpu_info_t, model_string), 0,
 110             hw_cpu_sysctl, "A", "CPU model string");
 111 #endif
 112
 113 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD,
 114             0, 0,
 115             hw_cpu_features, "A", "CPU feature names");
 116
 117
 118 struct sysctl_oid *machdep_sysctl_list[] =
 119 {
 120     &sysctl__machdep_cpu,
 121     &sysctl__machdep_cpu_vendor,
 122     &sysctl__machdep_cpu_brand_string,
 123     &sysctl__machdep_cpu_value,
 124     &sysctl__machdep_cpu_family,
 125     &sysctl__machdep_cpu_model,
 126     &sysctl__machdep_cpu_extmodel,
 127     &sysctl__machdep_cpu_extfamily,
 128     &sysctl__machdep_cpu_feature_bits,
 129     &sysctl__machdep_cpu_stepping,
 130     &sysctl__machdep_cpu_signature,
 131     &sysctl__machdep_cpu_brand,
 132     &sysctl__machdep_cpu_features,
 133     (struct sysctl_oid *) 0
 134 };
 135