/* * 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/uaccess.h> #include <asm/time.h> #ifdef CONFIG_DS1603 #include "ds1603.h" #endif /* Strategy function to write EEPROM after changing string entry */ int sysctl_lasatstring(ctl_table *table, void *oldval, size_t *oldlenp, void *newval, size_t newlen) { int r; r = sysctl_string(table, oldval, oldlenp, newval, newlen); if (r < 0) return r; if (newval && newlen) lasat_write_eeprom_info(); return 0; } /* 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; r = proc_dostring(table, write, filp, buffer, lenp, ppos); if ((!write) || r) return r; lasat_write_eeprom_info(); 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; r = proc_dointvec(table, write, filp, buffer, lenp, ppos); if ((!write) || r) return r; lasat_write_eeprom_info(); return 0; } #ifdef CONFIG_DS1603 static int rtctmp; /* 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; if (!write) { rtctmp = read_persistent_clock(); /* check for time < 0 and set to 0 */ if (rtctmp < 0) rtctmp = 0; } r = proc_dointvec(table, write, filp, buffer, lenp, ppos); if (r) return r; if (write) rtc_mips_set_mmss(rtctmp); return 0; } #endif /* Sysctl for setting the IP addresses */ int sysctl_lasat_intvec(ctl_table *table, void *oldval, size_t *oldlenp, void *newval, size_t newlen) { int r; r = sysctl_intvec(table, oldval, oldlenp, newval, newlen); if (r < 0) return r; if (newval && newlen) lasat_write_eeprom_info(); return 0; } #ifdef CONFIG_DS1603 /* Same for RTC */ int sysctl_lasat_rtc(ctl_table *table, void *oldval, size_t *oldlenp, void *newval, size_t newlen) { int r; rtctmp = read_persistent_clock(); if (rtctmp < 0) rtctmp = 0; r = sysctl_intvec(table, oldval, oldlenp, newval, newlen); if (r < 0) return r; if (newval && newlen) rtc_mips_set_mmss(rtctmp); return r; } #endif #ifdef CONFIG_INET int proc_lasat_ip(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp, loff_t *ppos) { unsigned int ip; char *p, c; int len; char ipbuf[32]; if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) { *lenp = 0; return 0; } if (write) { len = 0; p = buffer; while (len < *lenp) { if (get_user(c, p++)) return -EFAULT; if (c == 0 || c == '\n') break; len++; } if (len >= sizeof(ipbuf)-1) len = sizeof(ipbuf) - 1; if (copy_from_user(ipbuf, buffer, len)) return -EFAULT; ipbuf[len] = 0; *ppos += *lenp; /* Now see if we can convert it to a valid IP */ ip = in_aton(ipbuf); *(unsigned int *)(table->data) = ip; lasat_write_eeprom_info(); } else { ip = *(unsigned int *)(table->data); sprintf(ipbuf, "%d.%d.%d.%d", (ip) & 0xff, (ip >> 8) & 0xff, (ip >> 16) & 0xff, (ip >> 24) & 0xff); len = strlen(ipbuf); if (len > *lenp) len = *lenp; if (len) if (copy_to_user(buffer, ipbuf, len)) return -EFAULT; if (len < *lenp) { if (put_user('\n', ((char *) buffer) + len)) return -EFAULT; len++; } *lenp = len; *ppos += len; } return 0; } #endif static int sysctl_lasat_prid(ctl_table *table, void *oldval, size_t *oldlenp, void *newval, size_t newlen) { int r; r = sysctl_intvec(table, oldval, oldlenp, newval, newlen); if (r < 0) return r; if (newval && newlen) { lasat_board_info.li_eeprom_info.prid = *(int *)newval; lasat_write_eeprom_info(); lasat_init_board_info(); } return 0; } int proc_lasat_prid(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp, loff_t *ppos) { int r; r = proc_dointvec(table, write, filp, buffer, lenp, ppos); if (r < 0) return r; if (write) { lasat_board_info.li_eeprom_info.prid = lasat_board_info.li_prid; lasat_write_eeprom_info(); lasat_init_board_info(); } return 0; } extern int lasat_boot_to_service; 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_prid, .strategy = &sysctl_lasat_prid }, #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 = CTL_UNNUMBERED, .procname = "netmask", .data = &lasat_board_info.li_eeprom_info.netmask, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_lasat_ip, .strategy = &sysctl_lasat_intvec }, #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); if (!lasat_table_header) { printk(KERN_ERR "Unable to register LASAT sysctl\n"); return -ENOMEM; } return 0; } __initcall(lasat_register_sysctl);