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Diffstat (limited to 'arch/i386/mach-voyager/voyager_thread.c')
-rw-r--r--arch/i386/mach-voyager/voyager_thread.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/arch/i386/mach-voyager/voyager_thread.c b/arch/i386/mach-voyager/voyager_thread.c
deleted file mode 100644
index f9d59533815..00000000000
--- a/arch/i386/mach-voyager/voyager_thread.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8 -*- */
-
-/* Copyright (C) 2001
- *
- * Author: J.E.J.Bottomley@HansenPartnership.com
- *
- * linux/arch/i386/kernel/voyager_thread.c
- *
- * This module provides the machine status monitor thread for the
- * voyager architecture. This allows us to monitor the machine
- * environment (temp, voltage, fan function) and the front panel and
- * internal UPS. If a fault is detected, this thread takes corrective
- * action (usually just informing init)
- * */
-
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/kernel_stat.h>
-#include <linux/delay.h>
-#include <linux/mc146818rtc.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/kmod.h>
-#include <linux/completion.h>
-#include <linux/sched.h>
-#include <linux/kthread.h>
-#include <asm/desc.h>
-#include <asm/voyager.h>
-#include <asm/vic.h>
-#include <asm/mtrr.h>
-#include <asm/msr.h>
-
-
-struct task_struct *voyager_thread;
-static __u8 set_timeout;
-
-static int
-execute(const char *string)
-{
- int ret;
-
- char *envp[] = {
- "HOME=/",
- "TERM=linux",
- "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
- NULL,
- };
- char *argv[] = {
- "/bin/bash",
- "-c",
- (char *)string,
- NULL,
- };
-
- if ((ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC)) != 0) {
- printk(KERN_ERR "Voyager failed to run \"%s\": %i\n",
- string, ret);
- }
- return ret;
-}
-
-static void
-check_from_kernel(void)
-{
- if(voyager_status.switch_off) {
-
- /* FIXME: This should be configureable via proc */
- execute("umask 600; echo 0 > /etc/initrunlvl; kill -HUP 1");
- } else if(voyager_status.power_fail) {
- VDEBUG(("Voyager daemon detected AC power failure\n"));
-
- /* FIXME: This should be configureable via proc */
- execute("umask 600; echo F > /etc/powerstatus; kill -PWR 1");
- set_timeout = 1;
- }
-}
-
-static void
-check_continuing_condition(void)
-{
- if(voyager_status.power_fail) {
- __u8 data;
- voyager_cat_psi(VOYAGER_PSI_SUBREAD,
- VOYAGER_PSI_AC_FAIL_REG, &data);
- if((data & 0x1f) == 0) {
- /* all power restored */
- printk(KERN_NOTICE "VOYAGER AC power restored, cancelling shutdown\n");
- /* FIXME: should be user configureable */
- execute("umask 600; echo O > /etc/powerstatus; kill -PWR 1");
- set_timeout = 0;
- }
- }
-}
-
-static int
-thread(void *unused)
-{
- printk(KERN_NOTICE "Voyager starting monitor thread\n");
-
- for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(set_timeout ? HZ : MAX_SCHEDULE_TIMEOUT);
-
- VDEBUG(("Voyager Daemon awoken\n"));
- if(voyager_status.request_from_kernel == 0) {
- /* probably awoken from timeout */
- check_continuing_condition();
- } else {
- check_from_kernel();
- voyager_status.request_from_kernel = 0;
- }
- }
-}
-
-static int __init
-voyager_thread_start(void)
-{
- voyager_thread = kthread_run(thread, NULL, "kvoyagerd");
- if (IS_ERR(voyager_thread)) {
- printk(KERN_ERR "Voyager: Failed to create system monitor thread.\n");
- return PTR_ERR(voyager_thread);
- }
- return 0;
-}
-
-
-static void __exit
-voyager_thread_stop(void)
-{
- kthread_stop(voyager_thread);
-}
-
-module_init(voyager_thread_start);
-module_exit(voyager_thread_stop);