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-rw-r--r--arch/mips/lasat/sysctl.c441
1 files changed, 0 insertions, 441 deletions
diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
deleted file mode 100644
index 699ab1886ceb..000000000000
--- a/arch/mips/lasat/sysctl.c
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1/*
2 * Thomas Horsten <thh@lasat.com>
3 * Copyright (C) 2000 LASAT Networks A/S.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Routines specific to the LASAT boards
19 */
20#include <linux/types.h>
21#include <asm/lasat/lasat.h>
22
23#include <linux/module.h>
24#include <linux/sysctl.h>
25#include <linux/stddef.h>
26#include <linux/init.h>
27#include <linux/fs.h>
28#include <linux/ctype.h>
29#include <linux/string.h>
30#include <linux/net.h>
31#include <linux/inet.h>
32#include <linux/mutex.h>
33#include <asm/uaccess.h>
34
35#include "sysctl.h"
36#include "ds1603.h"
37
38static DEFINE_MUTEX(lasat_info_mutex);
39
40/* Strategy function to write EEPROM after changing string entry */
41int sysctl_lasatstring(ctl_table *table, int *name, int nlen,
42 void *oldval, size_t *oldlenp,
43 void *newval, size_t newlen)
44{
45 int r;
46 mutex_lock(&lasat_info_mutex);
47 r = sysctl_string(table, name,
48 nlen, oldval, oldlenp, newval, newlen);
49 if (r < 0) {
50 mutex_unlock(&lasat_info_mutex);
51 return r;
52 }
53 if (newval && newlen) {
54 lasat_write_eeprom_info();
55 }
56 mutex_unlock(&lasat_info_mutex);
57 return 1;
58}
59
60
61/* And the same for proc */
62int proc_dolasatstring(ctl_table *table, int write, struct file *filp,
63 void *buffer, size_t *lenp, loff_t *ppos)
64{
65 int r;
66 mutex_lock(&lasat_info_mutex);
67 r = proc_dostring(table, write, filp, buffer, lenp, ppos);
68 if ( (!write) || r) {
69 mutex_unlock(&lasat_info_mutex);
70 return r;
71 }
72 lasat_write_eeprom_info();
73 mutex_unlock(&lasat_info_mutex);
74 return 0;
75}
76
77/* proc function to write EEPROM after changing int entry */
78int proc_dolasatint(ctl_table *table, int write, struct file *filp,
79 void *buffer, size_t *lenp, loff_t *ppos)
80{
81 int r;
82 mutex_lock(&lasat_info_mutex);
83 r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
84 if ( (!write) || r) {
85 mutex_unlock(&lasat_info_mutex);
86 return r;
87 }
88 lasat_write_eeprom_info();
89 mutex_unlock(&lasat_info_mutex);
90 return 0;
91}
92
93static int rtctmp;
94
95#ifdef CONFIG_DS1603
96/* proc function to read/write RealTime Clock */
97int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
98 void *buffer, size_t *lenp, loff_t *ppos)
99{
100 int r;
101 mutex_lock(&lasat_info_mutex);
102 if (!write) {
103 rtctmp = ds1603_read();
104 /* check for time < 0 and set to 0 */
105 if (rtctmp < 0)
106 rtctmp = 0;
107 }
108 r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
109 if ( (!write) || r) {
110 mutex_unlock(&lasat_info_mutex);
111 return r;
112 }
113 ds1603_set(rtctmp);
114 mutex_unlock(&lasat_info_mutex);
115 return 0;
116}
117#endif
118
119/* Sysctl for setting the IP addresses */
120int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen,
121 void *oldval, size_t *oldlenp,
122 void *newval, size_t newlen)
123{
124 int r;
125 mutex_lock(&lasat_info_mutex);
126 r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
127 if (r < 0) {
128 mutex_unlock(&lasat_info_mutex);
129 return r;
130 }
131 if (newval && newlen) {
132 lasat_write_eeprom_info();
133 }
134 mutex_unlock(&lasat_info_mutex);
135 return 1;
136}
137
138#ifdef CONFIG_DS1603
139/* Same for RTC */
140int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen,
141 void *oldval, size_t *oldlenp,
142 void *newval, size_t newlen)
143{
144 int r;
145 mutex_lock(&lasat_info_mutex);
146 rtctmp = ds1603_read();
147 if (rtctmp < 0)
148 rtctmp = 0;
149 r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
150 if (r < 0) {
151 mutex_unlock(&lasat_info_mutex);
152 return r;
153 }
154 if (newval && newlen) {
155 ds1603_set(rtctmp);
156 }
157 mutex_unlock(&lasat_info_mutex);
158 return 1;
159}
160#endif
161
162#ifdef CONFIG_INET
163static char lasat_bcastaddr[16];
164
165void update_bcastaddr(void)
166{
167 unsigned int ip;
168
169 ip = (lasat_board_info.li_eeprom_info.ipaddr &
170 lasat_board_info.li_eeprom_info.netmask) |
171 ~lasat_board_info.li_eeprom_info.netmask;
172
173 sprintf(lasat_bcastaddr, "%d.%d.%d.%d",
174 (ip ) & 0xff,
175 (ip >> 8) & 0xff,
176 (ip >> 16) & 0xff,
177 (ip >> 24) & 0xff);
178}
179
180static char proc_lasat_ipbuf[32];
181/* Parsing of IP address */
182int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
183 void *buffer, size_t *lenp, loff_t *ppos)
184{
185 int len;
186 unsigned int ip;
187 char *p, c;
188
189 if (!table->data || !table->maxlen || !*lenp ||
190 (*ppos && !write)) {
191 *lenp = 0;
192 return 0;
193 }
194
195 mutex_lock(&lasat_info_mutex);
196 if (write) {
197 len = 0;
198 p = buffer;
199 while (len < *lenp) {
200 if(get_user(c, p++)) {
201 mutex_unlock(&lasat_info_mutex);
202 return -EFAULT;
203 }
204 if (c == 0 || c == '\n')
205 break;
206 len++;
207 }
208 if (len >= sizeof(proc_lasat_ipbuf)-1)
209 len = sizeof(proc_lasat_ipbuf) - 1;
210 if (copy_from_user(proc_lasat_ipbuf, buffer, len))
211 {
212 mutex_unlock(&lasat_info_mutex);
213 return -EFAULT;
214 }
215 proc_lasat_ipbuf[len] = 0;
216 *ppos += *lenp;
217 /* Now see if we can convert it to a valid IP */
218 ip = in_aton(proc_lasat_ipbuf);
219 *(unsigned int *)(table->data) = ip;
220 lasat_write_eeprom_info();
221 } else {
222 ip = *(unsigned int *)(table->data);
223 sprintf(proc_lasat_ipbuf, "%d.%d.%d.%d",
224 (ip ) & 0xff,
225 (ip >> 8) & 0xff,
226 (ip >> 16) & 0xff,
227 (ip >> 24) & 0xff);
228 len = strlen(proc_lasat_ipbuf);
229 if (len > *lenp)
230 len = *lenp;
231 if (len)
232 if(copy_to_user(buffer, proc_lasat_ipbuf, len)) {
233 mutex_unlock(&lasat_info_mutex);
234 return -EFAULT;
235 }
236 if (len < *lenp) {
237 if(put_user('\n', ((char *) buffer) + len)) {
238 mutex_unlock(&lasat_info_mutex);
239 return -EFAULT;
240 }
241 len++;
242 }
243 *lenp = len;
244 *ppos += len;
245 }
246 update_bcastaddr();
247 mutex_unlock(&lasat_info_mutex);
248 return 0;
249}
250#endif /* defined(CONFIG_INET) */
251
252static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen,
253 void *oldval, size_t *oldlenp,
254 void *newval, size_t newlen)
255{
256 int r;
257
258 mutex_lock(&lasat_info_mutex);
259 r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
260 if (r < 0) {
261 mutex_unlock(&lasat_info_mutex);
262 return r;
263 }
264
265 if (newval && newlen)
266 {
267 if (name && *name == LASAT_PRID)
268 lasat_board_info.li_eeprom_info.prid = *(int*)newval;
269
270 lasat_write_eeprom_info();
271 lasat_init_board_info();
272 }
273 mutex_unlock(&lasat_info_mutex);
274
275 return 0;
276}
277
278int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp,
279 void *buffer, size_t *lenp, loff_t *ppos)
280{
281 int r;
282 mutex_lock(&lasat_info_mutex);
283 r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
284 if ( (!write) || r) {
285 mutex_unlock(&lasat_info_mutex);
286 return r;
287 }
288 if (filp && filp->f_path.dentry)
289 {
290 if (!strcmp(filp->f_path.dentry->d_name.name, "prid"))
291 lasat_board_info.li_eeprom_info.prid = lasat_board_info.li_prid;
292 if (!strcmp(filp->f_path.dentry->d_name.name, "debugaccess"))
293 lasat_board_info.li_eeprom_info.debugaccess = lasat_board_info.li_debugaccess;
294 }
295 lasat_write_eeprom_info();
296 mutex_unlock(&lasat_info_mutex);
297 return 0;
298}
299
300extern int lasat_boot_to_service;
301
302#ifdef CONFIG_SYSCTL
303
304static ctl_table lasat_table[] = {
305 {
306 .ctl_name = CTL_UNNUMBERED,
307 .procname = "cpu-hz",
308 .data = &lasat_board_info.li_cpu_hz,
309 .maxlen = sizeof(int),
310 .mode = 0444,
311 .proc_handler = &proc_dointvec,
312 .strategy = &sysctl_intvec
313 },
314 {
315 .ctl_name = CTL_UNNUMBERED,
316 .procname = "bus-hz",
317 .data = &lasat_board_info.li_bus_hz,
318 .maxlen = sizeof(int),
319 .mode = 0444,
320 .proc_handler = &proc_dointvec,
321 .strategy = &sysctl_intvec
322 },
323 {
324 .ctl_name = CTL_UNNUMBERED,
325 .procname = "bmid",
326 .data = &lasat_board_info.li_bmid,
327 .maxlen = sizeof(int),
328 .mode = 0444,
329 .proc_handler = &proc_dointvec,
330 .strategy = &sysctl_intvec
331 },
332 {
333 .ctl_name = CTL_UNNUMBERED,
334 .procname = "prid",
335 .data = &lasat_board_info.li_prid,
336 .maxlen = sizeof(int),
337 .mode = 0644,
338 .proc_handler = &proc_lasat_eeprom_value,
339 .strategy = &sysctl_lasat_eeprom_value
340 },
341#ifdef CONFIG_INET
342 {
343 .ctl_name = CTL_UNNUMBERED,
344 .procname = "ipaddr",
345 .data = &lasat_board_info.li_eeprom_info.ipaddr,
346 .maxlen = sizeof(int),
347 .mode = 0644,
348 .proc_handler = &proc_lasat_ip,
349 .strategy = &sysctl_lasat_intvec
350 },
351 {
352 .ctl_name = LASAT_NETMASK,
353 .procname = "netmask",
354 .data = &lasat_board_info.li_eeprom_info.netmask,
355 .maxlen = sizeof(int),
356 .mode = 0644,
357 .proc_handler = &proc_lasat_ip,
358 .strategy = &sysctl_lasat_intvec
359 },
360 {
361 .ctl_name = CTL_UNNUMBERED,
362 .procname = "bcastaddr",
363 .data = &lasat_bcastaddr,
364 .maxlen = sizeof(lasat_bcastaddr),
365 .mode = 0600,
366 .proc_handler = &proc_dostring,
367 .strategy = &sysctl_string
368 },
369#endif
370 {
371 .ctl_name = CTL_UNNUMBERED,
372 .procname = "passwd_hash",
373 .data = &lasat_board_info.li_eeprom_info.passwd_hash,
374 .maxlen = sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
375 .mode = 0600,
376 .proc_handler = &proc_dolasatstring,
377 .strategy = &sysctl_lasatstring
378 },
379 {
380 .ctl_name = CTL_UNNUMBERED,
381 .procname = "boot-service",
382 .data = &lasat_boot_to_service,
383 .maxlen = sizeof(int),
384 .mode = 0644,
385 .proc_handler = &proc_dointvec,
386 .strategy = &sysctl_intvec
387 },
388#ifdef CONFIG_DS1603
389 {
390 .ctl_name = CTL_UNNUMBERED,
391 .procname = "rtc",
392 .data = &rtctmp,
393 .maxlen = sizeof(int),
394 .mode = 0644,
395 .proc_handler = &proc_dolasatrtc,
396 .strategy = &sysctl_lasat_rtc
397 },
398#endif
399 {
400 .ctl_name = CTL_UNNUMBERED,
401 .procname = "namestr",
402 .data = &lasat_board_info.li_namestr,
403 .maxlen = sizeof(lasat_board_info.li_namestr),
404 .mode = 0444,
405 .proc_handler = &proc_dostring,
406 .strategy = &sysctl_string
407 },
408 {
409 .ctl_name = CTL_UNNUMBERED,
410 .procname = "typestr",
411 .data = &lasat_board_info.li_typestr,
412 .maxlen = sizeof(lasat_board_info.li_typestr),
413 .mode = 0444,
414 .proc_handler = &proc_dostring,
415 .strategy = &sysctl_string
416 },
417 {}
418};
419
420static ctl_table lasat_root_table[] = {
421 {
422 .ctl_name = CTL_UNNUMBERED,
423 .procname = "lasat",
424 .mode = 0555,
425 .child = lasat_table
426 },
427 {}
428};
429
430static int __init lasat_register_sysctl(void)
431{
432 struct ctl_table_header *lasat_table_header;
433
434 lasat_table_header =
435 register_sysctl_table(lasat_root_table);
436
437 return 0;
438}
439
440__initcall(lasat_register_sysctl);
441#endif /* CONFIG_SYSCTL */
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