+++ /dev/null
-/*
- * Thomas Horsten <thh@lasat.com>
- * Copyright (C) 2000 LASAT Networks A/S.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Routines specific to the LASAT boards
- */
-#include <linux/types.h>
-#include <asm/lasat/lasat.h>
-
-#include <linux/module.h>
-#include <linux/sysctl.h>
-#include <linux/stddef.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/net.h>
-#include <linux/inet.h>
-#include <linux/mutex.h>
-#include <asm/uaccess.h>
-
-#include "sysctl.h"
-#include "ds1603.h"
-
-static DEFINE_MUTEX(lasat_info_mutex);
-
-/* Strategy function to write EEPROM after changing string entry */
-int sysctl_lasatstring(ctl_table *table, int *name, int nlen,
- void *oldval, size_t *oldlenp,
- void *newval, size_t newlen)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- r = sysctl_string(table, name,
- nlen, oldval, oldlenp, newval, newlen);
- if (r < 0) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- if (newval && newlen) {
- lasat_write_eeprom_info();
- }
- mutex_unlock(&lasat_info_mutex);
- return 1;
-}
-
-
-/* And the same for proc */
-int proc_dolasatstring(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- r = proc_dostring(table, write, filp, buffer, lenp, ppos);
- if ( (!write) || r) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- lasat_write_eeprom_info();
- mutex_unlock(&lasat_info_mutex);
- return 0;
-}
-
-/* proc function to write EEPROM after changing int entry */
-int proc_dolasatint(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
- if ( (!write) || r) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- lasat_write_eeprom_info();
- mutex_unlock(&lasat_info_mutex);
- return 0;
-}
-
-static int rtctmp;
-
-#ifdef CONFIG_DS1603
-/* proc function to read/write RealTime Clock */
-int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- if (!write) {
- rtctmp = ds1603_read();
- /* check for time < 0 and set to 0 */
- if (rtctmp < 0)
- rtctmp = 0;
- }
- r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
- if ( (!write) || r) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- ds1603_set(rtctmp);
- mutex_unlock(&lasat_info_mutex);
- return 0;
-}
-#endif
-
-/* Sysctl for setting the IP addresses */
-int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen,
- void *oldval, size_t *oldlenp,
- void *newval, size_t newlen)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
- if (r < 0) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- if (newval && newlen) {
- lasat_write_eeprom_info();
- }
- mutex_unlock(&lasat_info_mutex);
- return 1;
-}
-
-#ifdef CONFIG_DS1603
-/* Same for RTC */
-int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen,
- void *oldval, size_t *oldlenp,
- void *newval, size_t newlen)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- rtctmp = ds1603_read();
- if (rtctmp < 0)
- rtctmp = 0;
- r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
- if (r < 0) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- if (newval && newlen) {
- ds1603_set(rtctmp);
- }
- mutex_unlock(&lasat_info_mutex);
- return 1;
-}
-#endif
-
-#ifdef CONFIG_INET
-static char lasat_bcastaddr[16];
-
-void update_bcastaddr(void)
-{
- unsigned int ip;
-
- ip = (lasat_board_info.li_eeprom_info.ipaddr &
- lasat_board_info.li_eeprom_info.netmask) |
- ~lasat_board_info.li_eeprom_info.netmask;
-
- sprintf(lasat_bcastaddr, "%d.%d.%d.%d",
- (ip ) & 0xff,
- (ip >> 8) & 0xff,
- (ip >> 16) & 0xff,
- (ip >> 24) & 0xff);
-}
-
-static char proc_lasat_ipbuf[32];
-/* Parsing of IP address */
-int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int len;
- unsigned int ip;
- char *p, c;
-
- if (!table->data || !table->maxlen || !*lenp ||
- (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
-
- mutex_lock(&lasat_info_mutex);
- if (write) {
- len = 0;
- p = buffer;
- while (len < *lenp) {
- if(get_user(c, p++)) {
- mutex_unlock(&lasat_info_mutex);
- return -EFAULT;
- }
- if (c == 0 || c == '\n')
- break;
- len++;
- }
- if (len >= sizeof(proc_lasat_ipbuf)-1)
- len = sizeof(proc_lasat_ipbuf) - 1;
- if (copy_from_user(proc_lasat_ipbuf, buffer, len))
- {
- mutex_unlock(&lasat_info_mutex);
- return -EFAULT;
- }
- proc_lasat_ipbuf[len] = 0;
- *ppos += *lenp;
- /* Now see if we can convert it to a valid IP */
- ip = in_aton(proc_lasat_ipbuf);
- *(unsigned int *)(table->data) = ip;
- lasat_write_eeprom_info();
- } else {
- ip = *(unsigned int *)(table->data);
- sprintf(proc_lasat_ipbuf, "%d.%d.%d.%d",
- (ip ) & 0xff,
- (ip >> 8) & 0xff,
- (ip >> 16) & 0xff,
- (ip >> 24) & 0xff);
- len = strlen(proc_lasat_ipbuf);
- if (len > *lenp)
- len = *lenp;
- if (len)
- if(copy_to_user(buffer, proc_lasat_ipbuf, len)) {
- mutex_unlock(&lasat_info_mutex);
- return -EFAULT;
- }
- if (len < *lenp) {
- if(put_user('\n', ((char *) buffer) + len)) {
- mutex_unlock(&lasat_info_mutex);
- return -EFAULT;
- }
- len++;
- }
- *lenp = len;
- *ppos += len;
- }
- update_bcastaddr();
- mutex_unlock(&lasat_info_mutex);
- return 0;
-}
-#endif /* defined(CONFIG_INET) */
-
-static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen,
- void *oldval, size_t *oldlenp,
- void *newval, size_t newlen)
-{
- int r;
-
- mutex_lock(&lasat_info_mutex);
- r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
- if (r < 0) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
-
- if (newval && newlen)
- {
- if (name && *name == LASAT_PRID)
- lasat_board_info.li_eeprom_info.prid = *(int*)newval;
-
- lasat_write_eeprom_info();
- lasat_init_board_info();
- }
- mutex_unlock(&lasat_info_mutex);
-
- return 0;
-}
-
-int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int r;
- mutex_lock(&lasat_info_mutex);
- r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
- if ( (!write) || r) {
- mutex_unlock(&lasat_info_mutex);
- return r;
- }
- if (filp && filp->f_path.dentry)
- {
- if (!strcmp(filp->f_path.dentry->d_name.name, "prid"))
- lasat_board_info.li_eeprom_info.prid = lasat_board_info.li_prid;
- if (!strcmp(filp->f_path.dentry->d_name.name, "debugaccess"))
- lasat_board_info.li_eeprom_info.debugaccess = lasat_board_info.li_debugaccess;
- }
- lasat_write_eeprom_info();
- mutex_unlock(&lasat_info_mutex);
- return 0;
-}
-
-extern int lasat_boot_to_service;
-
-#ifdef CONFIG_SYSCTL
-
-static ctl_table lasat_table[] = {
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "cpu-hz",
- .data = &lasat_board_info.li_cpu_hz,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "bus-hz",
- .data = &lasat_board_info.li_bus_hz,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "bmid",
- .data = &lasat_board_info.li_bmid,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "prid",
- .data = &lasat_board_info.li_prid,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_lasat_eeprom_value,
- .strategy = &sysctl_lasat_eeprom_value
- },
-#ifdef CONFIG_INET
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "ipaddr",
- .data = &lasat_board_info.li_eeprom_info.ipaddr,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_lasat_ip,
- .strategy = &sysctl_lasat_intvec
- },
- {
- .ctl_name = LASAT_NETMASK,
- .procname = "netmask",
- .data = &lasat_board_info.li_eeprom_info.netmask,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_lasat_ip,
- .strategy = &sysctl_lasat_intvec
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "bcastaddr",
- .data = &lasat_bcastaddr,
- .maxlen = sizeof(lasat_bcastaddr),
- .mode = 0600,
- .proc_handler = &proc_dostring,
- .strategy = &sysctl_string
- },
-#endif
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "passwd_hash",
- .data = &lasat_board_info.li_eeprom_info.passwd_hash,
- .maxlen = sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
- .mode = 0600,
- .proc_handler = &proc_dolasatstring,
- .strategy = &sysctl_lasatstring
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "boot-service",
- .data = &lasat_boot_to_service,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec
- },
-#ifdef CONFIG_DS1603
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "rtc",
- .data = &rtctmp,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dolasatrtc,
- .strategy = &sysctl_lasat_rtc
- },
-#endif
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "namestr",
- .data = &lasat_board_info.li_namestr,
- .maxlen = sizeof(lasat_board_info.li_namestr),
- .mode = 0444,
- .proc_handler = &proc_dostring,
- .strategy = &sysctl_string
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "typestr",
- .data = &lasat_board_info.li_typestr,
- .maxlen = sizeof(lasat_board_info.li_typestr),
- .mode = 0444,
- .proc_handler = &proc_dostring,
- .strategy = &sysctl_string
- },
- {}
-};
-
-static ctl_table lasat_root_table[] = {
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "lasat",
- .mode = 0555,
- .child = lasat_table
- },
- {}
-};
-
-static int __init lasat_register_sysctl(void)
-{
- struct ctl_table_header *lasat_table_header;
-
- lasat_table_header =
- register_sysctl_table(lasat_root_table);
-
- return 0;
-}
-
-__initcall(lasat_register_sysctl);
-#endif /* CONFIG_SYSCTL */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff