1/* $NetBSD: init_sysctl_base.c,v 1.7 2015/08/25 14:52:31 pooka Exp $ */
2
3/*-
4 * Copyright (c) 2003, 2007, 2008, 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Brown, and by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: init_sysctl_base.c,v 1.7 2015/08/25 14:52:31 pooka Exp $");
34
35#include <sys/types.h>
36#include <sys/param.h>
37#include <sys/sysctl.h>
38#include <sys/cpu.h>
39#include <sys/kernel.h>
40#include <sys/disklabel.h>
41
42static int sysctl_setlen(SYSCTLFN_PROTO);
43
44/*
45 * sets up the base nodes...
46 */
47void
48sysctl_basenode_init(void)
49{
50
51 sysctl_createv(NULL, 0, NULL, NULL,
52 CTLFLAG_PERMANENT,
53 CTLTYPE_NODE, "kern",
54 SYSCTL_DESCR("High kernel"),
55 NULL, 0, NULL, 0,
56 CTL_KERN, CTL_EOL);
57 sysctl_createv(NULL, 0, NULL, NULL,
58 CTLFLAG_PERMANENT,
59 CTLTYPE_NODE, "vm",
60 SYSCTL_DESCR("Virtual memory"),
61 NULL, 0, NULL, 0,
62 CTL_VM, CTL_EOL);
63 sysctl_createv(NULL, 0, NULL, NULL,
64 CTLFLAG_PERMANENT,
65 CTLTYPE_NODE, "vfs",
66 SYSCTL_DESCR("Filesystem"),
67 NULL, 0, NULL, 0,
68 CTL_VFS, CTL_EOL);
69 sysctl_createv(NULL, 0, NULL, NULL,
70 CTLFLAG_PERMANENT,
71 CTLTYPE_NODE, "net",
72 SYSCTL_DESCR("Networking"),
73 NULL, 0, NULL, 0,
74 CTL_NET, CTL_EOL);
75 sysctl_createv(NULL, 0, NULL, NULL,
76 CTLFLAG_PERMANENT,
77 CTLTYPE_NODE, "debug",
78 SYSCTL_DESCR("Debugging"),
79 NULL, 0, NULL, 0,
80 CTL_DEBUG, CTL_EOL);
81 sysctl_createv(NULL, 0, NULL, NULL,
82 CTLFLAG_PERMANENT,
83 CTLTYPE_NODE, "hw",
84 SYSCTL_DESCR("Generic CPU, I/O"),
85 NULL, 0, NULL, 0,
86 CTL_HW, CTL_EOL);
87 sysctl_createv(NULL, 0, NULL, NULL,
88 CTLFLAG_PERMANENT,
89 CTLTYPE_NODE, "machdep",
90 SYSCTL_DESCR("Machine dependent"),
91 NULL, 0, NULL, 0,
92 CTL_MACHDEP, CTL_EOL);
93 /*
94 * this node is inserted so that the sysctl nodes in libc can
95 * operate.
96 */
97 sysctl_createv(NULL, 0, NULL, NULL,
98 CTLFLAG_PERMANENT,
99 CTLTYPE_NODE, "user",
100 SYSCTL_DESCR("User-level"),
101 NULL, 0, NULL, 0,
102 CTL_USER, CTL_EOL);
103 sysctl_createv(NULL, 0, NULL, NULL,
104 CTLFLAG_PERMANENT,
105 CTLTYPE_NODE, "ddb",
106 SYSCTL_DESCR("In-kernel debugger"),
107 NULL, 0, NULL, 0,
108 CTL_DDB, CTL_EOL);
109 sysctl_createv(NULL, 0, NULL, NULL,
110 CTLFLAG_PERMANENT,
111 CTLTYPE_NODE, "proc",
112 SYSCTL_DESCR("Per-process"),
113 NULL, 0, NULL, 0,
114 CTL_PROC, CTL_EOL);
115 sysctl_createv(NULL, 0, NULL, NULL,
116 CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
117 CTLTYPE_NODE, "vendor",
118 SYSCTL_DESCR("Vendor specific"),
119 NULL, 0, NULL, 0,
120 CTL_VENDOR, CTL_EOL);
121 sysctl_createv(NULL, 0, NULL, NULL,
122 CTLFLAG_PERMANENT,
123 CTLTYPE_NODE, "emul",
124 SYSCTL_DESCR("Emulation settings"),
125 NULL, 0, NULL, 0,
126 CTL_EMUL, CTL_EOL);
127 sysctl_createv(NULL, 0, NULL, NULL,
128 CTLFLAG_PERMANENT,
129 CTLTYPE_NODE, "security",
130 SYSCTL_DESCR("Security"),
131 NULL, 0, NULL, 0,
132 CTL_SECURITY, CTL_EOL);
133}
134
135/*
136 * now add some nodes which both rump kernel and standard
137 * NetBSD both need, as rump cannot use sys/kern/init_sysctl.c
138 */
139SYSCTL_SETUP(sysctl_kernbase_setup, "sysctl kern subtree base setup")
140{
141
142 sysctl_createv(clog, 0, NULL, NULL,
143 CTLFLAG_PERMANENT,
144 CTLTYPE_STRING, "ostype",
145 SYSCTL_DESCR("Operating system type"),
146 NULL, 0, __UNCONST(&ostype), 0,
147 CTL_KERN, KERN_OSTYPE, CTL_EOL);
148 sysctl_createv(clog, 0, NULL, NULL,
149 CTLFLAG_PERMANENT,
150 CTLTYPE_STRING, "osrelease",
151 SYSCTL_DESCR("Operating system release"),
152 NULL, 0, __UNCONST(&osrelease), 0,
153 CTL_KERN, KERN_OSRELEASE, CTL_EOL);
154 sysctl_createv(clog, 0, NULL, NULL,
155 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
156 CTLTYPE_INT, "osrevision",
157 SYSCTL_DESCR("Operating system revision"),
158 NULL, __NetBSD_Version__, NULL, 0,
159 CTL_KERN, KERN_OSREV, CTL_EOL);
160 sysctl_createv(clog, 0, NULL, NULL,
161 CTLFLAG_PERMANENT,
162 CTLTYPE_STRING, "version",
163 SYSCTL_DESCR("Kernel version"),
164 NULL, 0, __UNCONST(&version), 0,
165 CTL_KERN, KERN_VERSION, CTL_EOL);
166 sysctl_createv(clog, 0, NULL, NULL,
167 CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
168 CTLTYPE_STRING, "hostname",
169 SYSCTL_DESCR("System hostname"),
170 sysctl_setlen, 0, hostname, MAXHOSTNAMELEN,
171 CTL_KERN, KERN_HOSTNAME, CTL_EOL);
172 sysctl_createv(clog, 0, NULL, NULL,
173 CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
174 CTLTYPE_STRING, "domainname",
175 SYSCTL_DESCR("YP domain name"),
176 sysctl_setlen, 0, domainname, MAXHOSTNAMELEN,
177 CTL_KERN, KERN_DOMAINNAME, CTL_EOL);
178 sysctl_createv(clog, 0, NULL, NULL,
179 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
180 CTLTYPE_INT, "rawpartition",
181 SYSCTL_DESCR("Raw partition of a disk"),
182 NULL, RAW_PART, NULL, 0,
183 CTL_KERN, KERN_RAWPARTITION, CTL_EOL);
184}
185
186SYSCTL_SETUP(sysctl_hwbase_setup, "sysctl hw subtree base setup")
187{
188 u_int u;
189 u_quad_t q;
190 const char *model = cpu_getmodel();
191
192 sysctl_createv(clog, 0, NULL, NULL,
193 CTLFLAG_PERMANENT,
194 CTLTYPE_STRING, "model",
195 SYSCTL_DESCR("Machine model"),
196 NULL, 0, __UNCONST(model), 0,
197 CTL_HW, HW_MODEL, CTL_EOL);
198 sysctl_createv(clog, 0, NULL, NULL,
199 CTLFLAG_PERMANENT,
200 CTLTYPE_STRING, "machine",
201 SYSCTL_DESCR("Machine class"),
202 NULL, 0, machine, 0,
203 CTL_HW, HW_MACHINE, CTL_EOL);
204 sysctl_createv(clog, 0, NULL, NULL,
205 CTLFLAG_PERMANENT,
206 CTLTYPE_STRING, "machine_arch",
207 SYSCTL_DESCR("Machine CPU class"),
208 NULL, 0, machine_arch, 0,
209 CTL_HW, HW_MACHINE_ARCH, CTL_EOL);
210 sysctl_createv(clog, 0, NULL, NULL,
211 CTLFLAG_PERMANENT,
212 CTLTYPE_INT, "ncpu",
213 SYSCTL_DESCR("Number of CPUs configured"),
214 NULL, 0, &ncpu, 0,
215 CTL_HW, HW_NCPU, CTL_EOL);
216 sysctl_createv(clog, 0, NULL, NULL,
217 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
218 CTLTYPE_INT, "byteorder",
219 SYSCTL_DESCR("System byte order"),
220 NULL, BYTE_ORDER, NULL, 0,
221 CTL_HW, HW_BYTEORDER, CTL_EOL);
222 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ?
223 UINT_MAX : physmem * PAGE_SIZE;
224 sysctl_createv(clog, 0, NULL, NULL,
225 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
226 CTLTYPE_INT, "physmem",
227 SYSCTL_DESCR("Bytes of physical memory"),
228 NULL, u, NULL, 0,
229 CTL_HW, HW_PHYSMEM, CTL_EOL);
230 sysctl_createv(clog, 0, NULL, NULL,
231 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
232 CTLTYPE_INT, "pagesize",
233 SYSCTL_DESCR("Software page size"),
234 NULL, PAGE_SIZE, NULL, 0,
235 CTL_HW, HW_PAGESIZE, CTL_EOL);
236 sysctl_createv(clog, 0, NULL, NULL,
237 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
238 CTLTYPE_INT, "alignbytes",
239 SYSCTL_DESCR("Alignment constraint for all possible "
240 "data types"),
241 NULL, ALIGNBYTES, NULL, 0,
242 CTL_HW, HW_ALIGNBYTES, CTL_EOL);
243 q = (u_quad_t)physmem * PAGE_SIZE;
244 sysctl_createv(clog, 0, NULL, NULL,
245 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
246 CTLTYPE_QUAD, "physmem64",
247 SYSCTL_DESCR("Bytes of physical memory"),
248 NULL, q, NULL, 0,
249 CTL_HW, HW_PHYSMEM64, CTL_EOL);
250 sysctl_createv(clog, 0, NULL, NULL,
251 CTLFLAG_PERMANENT,
252 CTLTYPE_INT, "ncpuonline",
253 SYSCTL_DESCR("Number of CPUs online"),
254 NULL, 0, &ncpuonline, 0,
255 CTL_HW, HW_NCPUONLINE, CTL_EOL);
256}
257
258/*
259 * sysctl helper function for kern.hostname and kern.domainnname.
260 * resets the relevant recorded length when the underlying name is
261 * changed.
262 */
263static int
264sysctl_setlen(SYSCTLFN_ARGS)
265{
266 int error;
267
268 error = sysctl_lookup(SYSCTLFN_CALL(rnode));
269 if (error || newp == NULL)
270 return (error);
271
272 switch (rnode->sysctl_num) {
273 case KERN_HOSTNAME:
274 hostnamelen = strlen((const char*)rnode->sysctl_data);
275 break;
276 case KERN_DOMAINNAME:
277 domainnamelen = strlen((const char*)rnode->sysctl_data);
278 break;
279 }
280
281 return (0);
282}
283