1 // SPDX-License-Identifier: GPL-2.0-only
3 * Thomas Horsten <thh@lasat.com>
4 * Copyright (C) 2000 LASAT Networks A/S.
6 * Routines specific to the LASAT boards
8 #include <linux/types.h>
9 #include <asm/lasat/lasat.h>
11 #include <linux/sysctl.h>
12 #include <linux/stddef.h>
13 #include <linux/init.h>
15 #include <linux/ctype.h>
16 #include <linux/string.h>
17 #include <linux/net.h>
18 #include <linux/inet.h>
19 #include <linux/uaccess.h>
28 /* And the same for proc */
29 int proc_dolasatstring(struct ctl_table *table, int write,
30 void *buffer, size_t *lenp, loff_t *ppos)
34 r = proc_dostring(table, write, buffer, lenp, ppos);
38 lasat_write_eeprom_info();
46 /* proc function to read/write RealTime Clock */
47 int proc_dolasatrtc(struct ctl_table *table, int write,
48 void *buffer, size_t *lenp, loff_t *ppos)
54 read_persistent_clock64(&ts);
56 /* check for time < 0 and set to 0 */
60 r = proc_dointvec(table, write, buffer, lenp, ppos);
66 * Due to the RTC hardware limitation, we can not actually
67 * use the full 64-bit range here.
72 update_persistent_clock64(ts);
80 int proc_lasat_ip(struct ctl_table *table, int write,
81 void *buffer, size_t *lenp, loff_t *ppos)
88 if (!table->data || !table->maxlen || !*lenp ||
100 if (c == 0 || c == '\n')
104 if (len >= sizeof(ipbuf)-1)
105 len = sizeof(ipbuf) - 1;
106 if (copy_from_user(ipbuf, buffer, len))
110 /* Now see if we can convert it to a valid IP */
112 *(unsigned int *)(table->data) = ip;
113 lasat_write_eeprom_info();
115 ip = *(unsigned int *)(table->data);
116 sprintf(ipbuf, "%d.%d.%d.%d",
125 if (copy_to_user(buffer, ipbuf, len))
128 if (put_user('\n', ((char *) buffer) + len))
140 int proc_lasat_prid(struct ctl_table *table, int write,
141 void *buffer, size_t *lenp, loff_t *ppos)
145 r = proc_dointvec(table, write, buffer, lenp, ppos);
149 lasat_board_info.li_eeprom_info.prid =
150 lasat_board_info.li_prid;
151 lasat_write_eeprom_info();
152 lasat_init_board_info();
157 extern int lasat_boot_to_service;
159 static struct ctl_table lasat_table[] = {
161 .procname = "cpu-hz",
162 .data = &lasat_board_info.li_cpu_hz,
163 .maxlen = sizeof(int),
165 .proc_handler = proc_dointvec,
168 .procname = "bus-hz",
169 .data = &lasat_board_info.li_bus_hz,
170 .maxlen = sizeof(int),
172 .proc_handler = proc_dointvec,
176 .data = &lasat_board_info.li_bmid,
177 .maxlen = sizeof(int),
179 .proc_handler = proc_dointvec,
183 .data = &lasat_board_info.li_prid,
184 .maxlen = sizeof(int),
186 .proc_handler = proc_lasat_prid,
190 .procname = "ipaddr",
191 .data = &lasat_board_info.li_eeprom_info.ipaddr,
192 .maxlen = sizeof(int),
194 .proc_handler = proc_lasat_ip,
197 .procname = "netmask",
198 .data = &lasat_board_info.li_eeprom_info.netmask,
199 .maxlen = sizeof(int),
201 .proc_handler = proc_lasat_ip,
205 .procname = "passwd_hash",
206 .data = &lasat_board_info.li_eeprom_info.passwd_hash,
208 sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
210 .proc_handler = proc_dolasatstring,
213 .procname = "boot-service",
214 .data = &lasat_boot_to_service,
215 .maxlen = sizeof(int),
217 .proc_handler = proc_dointvec,
223 .maxlen = sizeof(int),
225 .proc_handler = proc_dolasatrtc,
229 .procname = "namestr",
230 .data = &lasat_board_info.li_namestr,
231 .maxlen = sizeof(lasat_board_info.li_namestr),
233 .proc_handler = proc_dostring,
236 .procname = "typestr",
237 .data = &lasat_board_info.li_typestr,
238 .maxlen = sizeof(lasat_board_info.li_typestr),
240 .proc_handler = proc_dostring,
245 static struct ctl_table lasat_root_table[] = {
254 static int __init lasat_register_sysctl(void)
256 struct ctl_table_header *lasat_table_header;
259 register_sysctl_table(lasat_root_table);
260 if (!lasat_table_header) {
261 printk(KERN_ERR "Unable to register LASAT sysctl\n");
268 arch_initcall(lasat_register_sysctl);