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/*
*
* Copyright (C) 2000-2003 Silicon Graphics, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan
*/
#include <linux/config.h>
#include <asm/uaccess.h>
#ifdef CONFIG_PROC_FS
#include <linux/proc_fs.h>
#include <asm/sn/sn_sal.h>
static int partition_id_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data) {
return sprintf(page, "%d\n", sn_local_partid());
}
static struct proc_dir_entry * sgi_proc_dir;
void
register_sn_partition_id(void) {
struct proc_dir_entry *entry;
if (!sgi_proc_dir) {
sgi_proc_dir = proc_mkdir("sgi_sn", 0);
}
entry = create_proc_entry("partition_id", 0444, sgi_proc_dir);
if (entry) {
entry->nlink = 1;
entry->data = 0;
entry->read_proc = partition_id_read_proc;
entry->write_proc = NULL;
}
}
static int
system_serial_number_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data) {
return sprintf(page, "%s\n", sn_system_serial_number());
}
static int
licenseID_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data) {
return sprintf(page, "0x%lx\n",sn_partition_serial_number_val());
}
void
register_sn_serial_numbers(void) {
struct proc_dir_entry *entry;
if (!sgi_proc_dir) {
sgi_proc_dir = proc_mkdir("sgi_sn", 0);
}
entry = create_proc_entry("system_serial_number", 0444, sgi_proc_dir);
if (entry) {
entry->nlink = 1;
entry->data = 0;
entry->read_proc = system_serial_number_read_proc;
entry->write_proc = NULL;
}
entry = create_proc_entry("licenseID", 0444, sgi_proc_dir);
if (entry) {
entry->nlink = 1;
entry->data = 0;
entry->read_proc = licenseID_read_proc;
entry->write_proc = NULL;
}
}
// Disable forced interrupts, but leave the code in, just in case.
int sn_force_interrupt_flag = 0;
static int
sn_force_interrupt_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data) {
if (sn_force_interrupt_flag) {
return sprintf(page, "Force interrupt is enabled\n");
}
return sprintf(page, "Force interrupt is disabled\n");
}
static int
sn_force_interrupt_write_proc(struct file *file, const char *buffer,
unsigned long count, void *data)
{
if (*buffer == '0') {
sn_force_interrupt_flag = 0;
} else {
sn_force_interrupt_flag = 1;
}
return 1;
}
void
register_sn_force_interrupt(void) {
struct proc_dir_entry *entry;
if (!sgi_proc_dir) {
sgi_proc_dir = proc_mkdir("sgi_sn", 0);
}
entry = create_proc_entry("sn_force_interrupt",0444, sgi_proc_dir);
if (entry) {
entry->nlink = 1;
entry->data = 0;
entry->read_proc = sn_force_interrupt_read_proc;
entry->write_proc = sn_force_interrupt_write_proc;
}
}
extern int sn_linkstats_get(char *);
extern int sn_linkstats_reset(unsigned long);
static int
sn_linkstats_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data) {
return sn_linkstats_get(page);
}
static int
sn_linkstats_write_proc(struct file *file, const char *buffer,
unsigned long count, void *data)
{
char s[64];
unsigned long msecs;
int e = count;
if (copy_from_user(s, buffer, count < sizeof(s) ? count : sizeof(s)))
e = -EFAULT;
else {
if (sscanf(s, "%lu", &msecs) != 1 || msecs < 5)
/* at least 5 milliseconds between updates */
e = -EINVAL;
else
sn_linkstats_reset(msecs);
}
return e;
}
void
register_sn_linkstats(void) {
struct proc_dir_entry *entry;
if (!sgi_proc_dir) {
sgi_proc_dir = proc_mkdir("sgi_sn", 0);
}
entry = create_proc_entry("linkstats", 0444, sgi_proc_dir);
if (entry) {
entry->nlink = 1;
entry->data = 0;
entry->read_proc = sn_linkstats_read_proc;
entry->write_proc = sn_linkstats_write_proc;
}
}
void
register_sn_procfs(void) {
register_sn_partition_id();
register_sn_serial_numbers();
register_sn_force_interrupt();
register_sn_linkstats();
}
#endif /* CONFIG_PROC_FS */
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