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 | |
42 | static int sysctl_setlen(SYSCTLFN_PROTO); |
43 | |
44 | /* |
45 | * sets up the base nodes... |
46 | */ |
47 | void |
48 | sysctl_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 | */ |
139 | SYSCTL_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 | |
186 | SYSCTL_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 | */ |
263 | static int |
264 | sysctl_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 | |