1 sysctl.h |
1 /*- |
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2 * Copyright (c) 1989, 1993 |
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3 * The Regents of the University of California. All rights reserved. |
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4 * |
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5 * This code is derived from software contributed to Berkeley by |
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6 * Mike Karels at Berkeley Software Design, Inc. |
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7 * |
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8 * Redistribution and use in source and binary forms, with or without |
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9 * modification, are permitted provided that the following conditions |
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10 * are met: |
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11 * 1. Redistributions of source code must retain the above copyright |
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12 * notice, this list of conditions and the following disclaimer. |
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13 * 2. Redistributions in binary form must reproduce the above copyright |
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14 * notice, this list of conditions and the following disclaimer in the |
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15 * documentation and/or other materials provided with the distribution. |
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16 * 4. Neither the name of the University nor the names of its contributors |
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17 * may be used to endorse or promote products derived from this software |
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18 * without specific prior written permission. |
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19 * |
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20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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30 * SUCH DAMAGE. |
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31 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. |
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32 * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 |
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33 * $FreeBSD: src/sys/sys/sysctl.h,v 1.138 2005/04/18 02:10:37 das Exp $ |
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34 */ |
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35 |
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36 #ifndef _SYS_SYSCTL_H_ |
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37 #define _SYS_SYSCTL_H_ |
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38 |
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39 #include <sys/queue.h> |
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40 |
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41 struct thread; |
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42 /* |
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43 * Definitions for sysctl call. The sysctl call uses a hierarchical name |
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44 * for objects that can be examined or modified. The name is expressed as |
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45 * a sequence of integers. Like a file path name, the meaning of each |
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46 * component depends on its place in the hierarchy. The top-level and kern |
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47 * identifiers are defined here, and other identifiers are defined in the |
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48 * respective subsystem header files. |
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49 */ |
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50 |
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51 #define CTL_MAXNAME 24 /* largest number of components supported */ |
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52 |
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53 /* |
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54 * Each subsystem defined by sysctl defines a list of variables |
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55 * for that subsystem. Each name is either a node with further |
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56 * levels defined below it, or it is a leaf of some particular |
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57 * type given below. Each sysctl level defines a set of name/type |
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58 * pairs to be used by sysctl(8) in manipulating the subsystem. |
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59 */ |
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60 struct ctlname { |
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61 char *ctl_name; /* subsystem name */ |
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62 int ctl_type; /* type of name */ |
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63 }; |
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64 |
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65 #define CTLTYPE 0xf /* Mask for the type */ |
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66 #define CTLTYPE_NODE 1 /* name is a node */ |
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67 #define CTLTYPE_INT 2 /* name describes an integer */ |
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68 #define CTLTYPE_STRING 3 /* name describes a string */ |
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69 #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ |
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70 #define CTLTYPE_OPAQUE 5 /* name describes a structure */ |
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71 #define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ |
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72 #define CTLTYPE_UINT 6 /* name describes an unsigned integer */ |
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73 #define CTLTYPE_LONG 7 /* name describes a long */ |
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74 #define CTLTYPE_ULONG 8 /* name describes an unsigned long */ |
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75 |
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76 #define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ |
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77 #define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ |
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78 #define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) |
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79 #define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ |
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80 #define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ |
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81 #define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ |
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82 #define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */ |
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83 #define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */ |
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84 #define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */ |
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85 #define CTLMASK_SECURE 0x00F00000 /* Secure level */ |
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86 #define CTLFLAG_TUN 0x00080000 /* Tunable variable */ |
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87 #define CTLFLAG_RDTUN (CTLFLAG_RD|CTLFLAG_TUN) |
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88 |
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89 /* |
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90 * Secure level. Note that CTLFLAG_SECURE == CTLFLAG_SECURE1. |
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91 * |
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92 * Secure when the securelevel is raised to at least N. |
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93 */ |
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94 #define CTLSHIFT_SECURE 20 |
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95 #define CTLFLAG_SECURE1 (CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE)) |
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96 #define CTLFLAG_SECURE2 (CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE)) |
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97 #define CTLFLAG_SECURE3 (CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE)) |
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98 |
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99 /* |
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100 * USE THIS instead of a hardwired number from the categories below |
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101 * to get dynamically assigned sysctl entries using the linker-set |
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102 * technology. This is the way nearly all new sysctl variables should |
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103 * be implemented. |
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104 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); |
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105 */ |
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106 #define OID_AUTO (-1) |
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107 |
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108 /* |
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109 * The starting number for dynamically-assigned entries. WARNING! |
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110 * ALL static sysctl entries should have numbers LESS than this! |
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111 */ |
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112 #define CTL_AUTO_START 0x100 |
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113 |
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114 #ifdef _KERNEL |
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115 #define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \ |
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116 struct sysctl_req *req |
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117 |
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118 /* definitions for sysctl_req 'lock' member */ |
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119 #define REQ_UNLOCKED 0 /* not locked and not wired */ |
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120 #define REQ_LOCKED 1 /* locked and not wired */ |
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121 #define REQ_WIRED 2 /* locked and wired */ |
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122 |
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123 /* definitions for sysctl_req 'flags' member */ |
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124 #if defined(__amd64__) || defined(__ia64__) |
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125 #define SCTL_MASK32 1 /* 32 bit emulation */ |
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126 #endif |
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127 |
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128 /* |
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129 * This describes the access space for a sysctl request. This is needed |
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130 * so that we can use the interface from the kernel or from user-space. |
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131 */ |
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132 struct sysctl_req { |
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133 struct thread *td; /* used for access checking */ |
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134 int lock; /* locking/wiring state */ |
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135 void *oldptr; |
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136 size_t oldlen; |
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137 size_t oldidx; |
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138 int (*oldfunc)(struct sysctl_req *, const void *, size_t); |
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139 void *newptr; |
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140 size_t newlen; |
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141 size_t newidx; |
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142 int (*newfunc)(struct sysctl_req *, void *, size_t); |
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143 size_t validlen; |
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144 int flags; |
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145 }; |
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146 |
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147 /* |
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148 * This describes one "oid" in the MIB tree. Potentially more nodes can |
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149 * be hidden behind it, expanded by the handler. |
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150 */ |
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151 struct sysctl_oid { |
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152 struct sysctl_oid_list *oid_parent; |
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153 SLIST_ENTRY(sysctl_oid) oid_link; |
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154 int oid_number; |
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155 u_int oid_kind; |
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156 void *oid_arg1; |
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157 int oid_arg2; |
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158 const char *oid_name; |
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159 int (*oid_handler)(SYSCTL_HANDLER_ARGS); |
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160 const char *oid_fmt; |
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161 int oid_refcnt; |
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162 const char *oid_descr; |
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163 }; |
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164 |
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165 #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) |
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166 #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) |
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167 |
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168 /* Declare a static oid to allow child oids to be added to it. */ |
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169 #define SYSCTL_DECL(name) \ |
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170 extern struct sysctl_oid_list sysctl_##name##_children |
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171 |
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172 /* Hide these in macros */ |
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173 #define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \ |
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174 (oid_ptr)->oid_arg1 |
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175 #define SYSCTL_CHILDREN_SET(oid_ptr, val) \ |
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176 (oid_ptr)->oid_arg1 = (val); |
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177 #define SYSCTL_STATIC_CHILDREN(oid_name) \ |
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178 (&sysctl_##oid_name##_children) |
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179 |
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180 /* === Structs and macros related to context handling === */ |
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181 |
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182 /* All dynamically created sysctls can be tracked in a context list. */ |
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183 struct sysctl_ctx_entry { |
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184 struct sysctl_oid *entry; |
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185 TAILQ_ENTRY(sysctl_ctx_entry) link; |
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186 }; |
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187 |
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188 #define SYSCTL_NODE_CHILDREN(parent, name) \ |
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189 sysctl_##parent##_##name##_children |
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190 |
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191 /* This constructs a "raw" MIB oid. */ |
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192 #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ |
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193 static struct sysctl_oid sysctl__##parent##_##name = { \ |
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194 &sysctl_##parent##_children, { 0 }, \ |
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195 nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \ |
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196 DATA_SET(sysctl_set, sysctl__##parent##_##name) |
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197 |
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198 #define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ |
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199 sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) |
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200 |
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201 /* This constructs a node from which other oids can hang. */ |
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202 #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ |
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203 struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name); \ |
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204 SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \ |
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205 (void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, \ |
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206 "N", descr) |
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207 |
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208 #define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \ |
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209 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \ |
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210 0, 0, handler, "N", descr) |
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211 |
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212 /* Oid for a string. len can be 0 to indicate '\0' termination. */ |
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213 #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ |
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214 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \ |
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215 arg, len, sysctl_handle_string, "A", descr) |
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216 |
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217 #define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \ |
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218 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \ |
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219 arg, len, sysctl_handle_string, "A", descr) |
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220 |
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221 /* Oid for an int. If ptr is NULL, val is returned. */ |
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222 #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ |
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223 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \ |
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224 ptr, val, sysctl_handle_int, "I", descr) |
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225 |
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226 #define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \ |
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227 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access), \ |
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228 ptr, val, sysctl_handle_int, "I", descr) |
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229 |
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230 /* Oid for an unsigned int. If ptr is NULL, val is returned. */ |
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231 #define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ |
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232 SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \ |
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233 ptr, val, sysctl_handle_int, "IU", descr) |
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234 |
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235 #define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \ |
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236 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access), \ |
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237 ptr, val, sysctl_handle_int, "IU", descr) |
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238 |
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239 /* Oid for a long. The pointer must be non NULL. */ |
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240 #define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \ |
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241 SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \ |
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242 ptr, val, sysctl_handle_long, "L", descr) |
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243 |
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244 #define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \ |
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245 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access), \ |
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246 ptr, 0, sysctl_handle_long, "L", descr) |
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247 |
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248 /* Oid for an unsigned long. The pointer must be non NULL. */ |
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249 #define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \ |
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250 SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \ |
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251 ptr, val, sysctl_handle_long, "LU", descr) |
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252 |
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253 #define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \ |
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254 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access), \ |
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255 ptr, 0, sysctl_handle_long, "LU", descr) |
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256 |
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257 /* Oid for an opaque object. Specified by a pointer and a length. */ |
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258 #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ |
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259 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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260 ptr, len, sysctl_handle_opaque, fmt, descr) |
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261 |
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262 #define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\ |
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263 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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264 ptr, len, sysctl_handle_opaque, fmt, descr) |
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265 |
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266 /* Oid for a struct. Specified by a pointer and a type. */ |
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267 #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ |
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268 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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269 ptr, sizeof(struct type), sysctl_handle_opaque, \ |
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270 "S," #type, descr) |
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271 |
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272 #define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \ |
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273 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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274 ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr) |
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275 |
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276 /* Oid for a procedure. Specified by a pointer and an arg. */ |
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277 #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ |
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278 SYSCTL_OID(parent, nbr, name, (access), \ |
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279 ptr, arg, handler, fmt, descr) |
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280 |
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281 #define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ |
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282 sysctl_add_oid(ctx, parent, nbr, name, (access), \ |
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283 ptr, arg, handler, fmt, descr) |
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284 |
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285 #endif /* _KERNEL */ |
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286 |
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287 /* |
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288 * Top-level identifiers |
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289 */ |
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290 #define CTL_UNSPEC 0 /* unused */ |
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291 #define CTL_KERN 1 /* "high kernel": proc, limits */ |
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292 #define CTL_VM 2 /* virtual memory */ |
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293 #define CTL_VFS 3 /* filesystem, mount type is next */ |
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294 #define CTL_NET 4 /* network, see socket.h */ |
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295 #define CTL_DEBUG 5 /* debugging parameters */ |
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296 #define CTL_HW 6 /* generic cpu/io */ |
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297 #define CTL_MACHDEP 7 /* machine dependent */ |
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298 #define CTL_USER 8 /* user-level */ |
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299 #define CTL_P1003_1B 9 /* POSIX 1003.1B */ |
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300 #define CTL_MAXID 10 /* number of valid top-level ids */ |
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301 |
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302 #define CTL_NAMES { \ |
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303 { 0, 0 }, \ |
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304 { "kern", CTLTYPE_NODE }, \ |
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305 { "vm", CTLTYPE_NODE }, \ |
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306 { "vfs", CTLTYPE_NODE }, \ |
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307 { "net", CTLTYPE_NODE }, \ |
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308 { "debug", CTLTYPE_NODE }, \ |
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309 { "hw", CTLTYPE_NODE }, \ |
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310 { "machdep", CTLTYPE_NODE }, \ |
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311 { "user", CTLTYPE_NODE }, \ |
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312 { "p1003_1b", CTLTYPE_NODE }, \ |
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313 } |
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314 |
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315 /* |
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316 * CTL_KERN identifiers |
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317 */ |
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318 #define KERN_OSTYPE 1 /* string: system version */ |
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319 #define KERN_OSRELEASE 2 /* string: system release */ |
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320 #define KERN_OSREV 3 /* int: system revision */ |
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321 #define KERN_VERSION 4 /* string: compile time info */ |
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322 #define KERN_MAXVNODES 5 /* int: max vnodes */ |
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323 #define KERN_MAXPROC 6 /* int: max processes */ |
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324 #define KERN_MAXFILES 7 /* int: max open files */ |
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325 #define KERN_ARGMAX 8 /* int: max arguments to exec */ |
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326 #define KERN_SECURELVL 9 /* int: system security level */ |
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327 #define KERN_HOSTNAME 10 /* string: hostname */ |
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328 #define KERN_HOSTID 11 /* int: host identifier */ |
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329 #define KERN_CLOCKRATE 12 /* struct: struct clockrate */ |
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330 #define KERN_VNODE 13 /* struct: vnode structures */ |
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331 #define KERN_PROC 14 /* struct: process entries */ |
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332 #define KERN_FILE 15 /* struct: file entries */ |
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333 #define KERN_PROF 16 /* node: kernel profiling info */ |
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334 #define KERN_POSIX1 17 /* int: POSIX.1 version */ |
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335 #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ |
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336 #define KERN_JOB_CONTROL 19 /* int: is job control available */ |
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337 #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ |
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338 #define KERN_BOOTTIME 21 /* struct: time kernel was booted */ |
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339 #define KERN_NISDOMAINNAME 22 /* string: YP domain name */ |
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340 #define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ |
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341 #define KERN_OSRELDATE 24 /* int: kernel release date */ |
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342 #define KERN_NTP_PLL 25 /* node: NTP PLL control */ |
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343 #define KERN_BOOTFILE 26 /* string: name of booted kernel */ |
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344 #define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ |
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345 #define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ |
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346 #define KERN_DUMPDEV 29 /* struct cdev *: device to dump on */ |
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347 #define KERN_IPC 30 /* node: anything related to IPC */ |
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348 #define KERN_DUMMY 31 /* unused */ |
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349 #define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ |
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350 #define KERN_USRSTACK 33 /* int: address of USRSTACK */ |
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351 #define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */ |
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352 #define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */ |
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353 #define KERN_MAXID 36 /* number of valid kern ids */ |
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354 |
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355 #define CTL_KERN_NAMES { \ |
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356 { 0, 0 }, \ |
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357 { "ostype", CTLTYPE_STRING }, \ |
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358 { "osrelease", CTLTYPE_STRING }, \ |
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359 { "osrevision", CTLTYPE_INT }, \ |
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360 { "version", CTLTYPE_STRING }, \ |
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361 { "maxvnodes", CTLTYPE_INT }, \ |
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362 { "maxproc", CTLTYPE_INT }, \ |
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363 { "maxfiles", CTLTYPE_INT }, \ |
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364 { "argmax", CTLTYPE_INT }, \ |
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365 { "securelevel", CTLTYPE_INT }, \ |
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366 { "hostname", CTLTYPE_STRING }, \ |
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367 { "hostid", CTLTYPE_UINT }, \ |
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368 { "clockrate", CTLTYPE_STRUCT }, \ |
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369 { "vnode", CTLTYPE_STRUCT }, \ |
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370 { "proc", CTLTYPE_STRUCT }, \ |
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371 { "file", CTLTYPE_STRUCT }, \ |
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372 { "profiling", CTLTYPE_NODE }, \ |
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373 { "posix1version", CTLTYPE_INT }, \ |
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374 { "ngroups", CTLTYPE_INT }, \ |
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375 { "job_control", CTLTYPE_INT }, \ |
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376 { "saved_ids", CTLTYPE_INT }, \ |
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377 { "boottime", CTLTYPE_STRUCT }, \ |
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378 { "nisdomainname", CTLTYPE_STRING }, \ |
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379 { "update", CTLTYPE_INT }, \ |
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380 { "osreldate", CTLTYPE_INT }, \ |
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381 { "ntp_pll", CTLTYPE_NODE }, \ |
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382 { "bootfile", CTLTYPE_STRING }, \ |
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383 { "maxfilesperproc", CTLTYPE_INT }, \ |
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384 { "maxprocperuid", CTLTYPE_INT }, \ |
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385 { "ipc", CTLTYPE_NODE }, \ |
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386 { "dummy", CTLTYPE_INT }, \ |
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387 { "ps_strings", CTLTYPE_INT }, \ |
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388 { "usrstack", CTLTYPE_INT }, \ |
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389 { "logsigexit", CTLTYPE_INT }, \ |
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390 { "iov_max", CTLTYPE_INT }, \ |
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391 } |
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392 |
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393 /* |
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394 * CTL_VFS identifiers |
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395 */ |
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396 #define CTL_VFS_NAMES { \ |
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397 { "vfsconf", CTLTYPE_STRUCT }, \ |
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398 } |
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399 |
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400 /* |
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401 * KERN_PROC subtypes |
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402 */ |
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403 #define KERN_PROC_ALL 0 /* everything */ |
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404 #define KERN_PROC_PID 1 /* by process id */ |
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405 #define KERN_PROC_PGRP 2 /* by process group id */ |
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406 #define KERN_PROC_SESSION 3 /* by session of pid */ |
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407 #define KERN_PROC_TTY 4 /* by controlling tty */ |
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408 #define KERN_PROC_UID 5 /* by effective uid */ |
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409 #define KERN_PROC_RUID 6 /* by real uid */ |
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410 #define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */ |
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411 #define KERN_PROC_PROC 8 /* only return procs */ |
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412 #define KERN_PROC_SV_NAME 9 /* get syscall vector name */ |
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413 #define KERN_PROC_RGID 10 /* by real group id */ |
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414 #define KERN_PROC_GID 11 /* by effective group id */ |
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415 #define KERN_PROC_PATHNAME 12 /* path to executable */ |
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416 #define KERN_PROC_INC_THREAD 0x10 /* |
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417 * modifier for pid, pgrp, tty, |
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418 * uid, ruid, gid, rgid and proc |
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419 */ |
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420 |
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421 /* |
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422 * KERN_IPC identifiers |
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423 */ |
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424 #define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ |
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425 #define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ |
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426 #define KIPC_SOMAXCONN 3 /* int: max length of connection q */ |
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427 #define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ |
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428 #define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ |
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429 #define KIPC_MAX_HDR 6 /* int: max total length of headers */ |
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430 #define KIPC_MAX_DATALEN 7 /* int: max length of data? */ |
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431 |
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432 /* |
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433 * CTL_HW identifiers |
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434 */ |
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435 #define HW_MACHINE 1 /* string: machine class */ |
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436 #define HW_MODEL 2 /* string: specific machine model */ |
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437 #define HW_NCPU 3 /* int: number of cpus */ |
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438 #define HW_BYTEORDER 4 /* int: machine byte order */ |
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439 #define HW_PHYSMEM 5 /* int: total memory */ |
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440 #define HW_USERMEM 6 /* int: non-kernel memory */ |
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441 #define HW_PAGESIZE 7 /* int: software page size */ |
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442 #define HW_DISKNAMES 8 /* strings: disk drive names */ |
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443 #define HW_DISKSTATS 9 /* struct: diskstats[] */ |
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444 #define HW_FLOATINGPT 10 /* int: has HW floating point? */ |
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445 #define HW_MACHINE_ARCH 11 /* string: machine architecture */ |
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446 #define HW_REALMEM 12 /* int: 'real' memory */ |
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447 #define HW_MAXID 13 /* number of valid hw ids */ |
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448 |
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449 #define CTL_HW_NAMES { \ |
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450 { 0, 0 }, \ |
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451 { "machine", CTLTYPE_STRING }, \ |
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452 { "model", CTLTYPE_STRING }, \ |
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453 { "ncpu", CTLTYPE_INT }, \ |
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454 { "byteorder", CTLTYPE_INT }, \ |
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455 { "physmem", CTLTYPE_ULONG }, \ |
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456 { "usermem", CTLTYPE_ULONG }, \ |
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457 { "pagesize", CTLTYPE_INT }, \ |
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458 { "disknames", CTLTYPE_STRUCT }, \ |
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459 { "diskstats", CTLTYPE_STRUCT }, \ |
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460 { "floatingpoint", CTLTYPE_INT }, \ |
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461 { "realmem", CTLTYPE_ULONG }, \ |
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462 } |
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463 |
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464 /* |
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465 * CTL_USER definitions |
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466 */ |
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467 #define USER_CS_PATH 1 /* string: _CS_PATH */ |
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468 #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ |
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469 #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ |
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470 #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ |
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471 #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ |
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472 #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ |
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473 #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ |
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474 #define USER_LINE_MAX 8 /* int: LINE_MAX */ |
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475 #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ |
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476 #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ |
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477 #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ |
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478 #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ |
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479 #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ |
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480 #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ |
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481 #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ |
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482 #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ |
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483 #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ |
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484 #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ |
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485 #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ |
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486 #define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ |
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487 #define USER_MAXID 21 /* number of valid user ids */ |
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488 |
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489 #define CTL_USER_NAMES { \ |
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490 { 0, 0 }, \ |
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491 { "cs_path", CTLTYPE_STRING }, \ |
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492 { "bc_base_max", CTLTYPE_INT }, \ |
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493 { "bc_dim_max", CTLTYPE_INT }, \ |
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494 { "bc_scale_max", CTLTYPE_INT }, \ |
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495 { "bc_string_max", CTLTYPE_INT }, \ |
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496 { "coll_weights_max", CTLTYPE_INT }, \ |
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497 { "expr_nest_max", CTLTYPE_INT }, \ |
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498 { "line_max", CTLTYPE_INT }, \ |
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499 { "re_dup_max", CTLTYPE_INT }, \ |
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500 { "posix2_version", CTLTYPE_INT }, \ |
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501 { "posix2_c_bind", CTLTYPE_INT }, \ |
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502 { "posix2_c_dev", CTLTYPE_INT }, \ |
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503 { "posix2_char_term", CTLTYPE_INT }, \ |
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504 { "posix2_fort_dev", CTLTYPE_INT }, \ |
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505 { "posix2_fort_run", CTLTYPE_INT }, \ |
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506 { "posix2_localedef", CTLTYPE_INT }, \ |
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507 { "posix2_sw_dev", CTLTYPE_INT }, \ |
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508 { "posix2_upe", CTLTYPE_INT }, \ |
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509 { "stream_max", CTLTYPE_INT }, \ |
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510 { "tzname_max", CTLTYPE_INT }, \ |
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511 } |
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512 |
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513 #define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */ |
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514 #define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */ |
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515 #define CTL_P1003_1B_MEMLOCK 3 /* boolean */ |
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516 #define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */ |
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517 #define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */ |
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518 #define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */ |
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519 #define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */ |
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520 #define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */ |
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521 #define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */ |
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522 #define CTL_P1003_1B_SEMAPHORES 10 /* boolean */ |
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523 #define CTL_P1003_1B_FSYNC 11 /* boolean */ |
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524 #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */ |
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525 #define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */ |
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526 #define CTL_P1003_1B_TIMERS 14 /* boolean */ |
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527 #define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */ |
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528 #define CTL_P1003_1B_AIO_MAX 16 /* int */ |
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529 #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */ |
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530 #define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */ |
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531 #define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */ |
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532 #define CTL_P1003_1B_PAGESIZE 20 /* int */ |
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533 #define CTL_P1003_1B_RTSIG_MAX 21 /* int */ |
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534 #define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */ |
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535 #define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */ |
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536 #define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */ |
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537 #define CTL_P1003_1B_TIMER_MAX 25 /* int */ |
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538 |
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539 #define CTL_P1003_1B_MAXID 26 |
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540 |
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541 #define CTL_P1003_1B_NAMES { \ |
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542 { 0, 0 }, \ |
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543 { "asynchronous_io", CTLTYPE_INT }, \ |
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544 { "mapped_files", CTLTYPE_INT }, \ |
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545 { "memlock", CTLTYPE_INT }, \ |
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546 { "memlock_range", CTLTYPE_INT }, \ |
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547 { "memory_protection", CTLTYPE_INT }, \ |
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548 { "message_passing", CTLTYPE_INT }, \ |
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549 { "prioritized_io", CTLTYPE_INT }, \ |
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550 { "priority_scheduling", CTLTYPE_INT }, \ |
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551 { "realtime_signals", CTLTYPE_INT }, \ |
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552 { "semaphores", CTLTYPE_INT }, \ |
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553 { "fsync", CTLTYPE_INT }, \ |
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554 { "shared_memory_objects", CTLTYPE_INT }, \ |
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555 { "synchronized_io", CTLTYPE_INT }, \ |
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556 { "timers", CTLTYPE_INT }, \ |
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557 { "aio_listio_max", CTLTYPE_INT }, \ |
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558 { "aio_max", CTLTYPE_INT }, \ |
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559 { "aio_prio_delta_max", CTLTYPE_INT }, \ |
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560 { "delaytimer_max", CTLTYPE_INT }, \ |
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561 { "mq_open_max", CTLTYPE_INT }, \ |
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562 { "pagesize", CTLTYPE_INT }, \ |
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563 { "rtsig_max", CTLTYPE_INT }, \ |
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564 { "nsems_max", CTLTYPE_INT }, \ |
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565 { "sem_value_max", CTLTYPE_INT }, \ |
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566 { "sigqueue_max", CTLTYPE_INT }, \ |
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567 { "timer_max", CTLTYPE_INT }, \ |
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568 } |
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569 |
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570 #ifdef _KERNEL |
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571 |
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572 /* |
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573 * Declare some common oids. |
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574 */ |
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575 extern struct sysctl_oid_list sysctl__children; |
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576 |
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577 extern char machine[]; |
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578 extern char osrelease[]; |
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579 extern char ostype[]; |
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580 extern char kern_ident[]; |
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581 |
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582 |
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583 #endif /* _KERNEL */ |
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584 |
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585 #endif /* !_SYS_SYSCTL_H_ */ |