* interfaces to log Chassis Codes via PDC (firmware)
*
* Copyright (C) 2002 Laurent Canet <canetl@esiee.fr>
- * Copyright (C) 2002-2003 Thibaut Varene <varenet@esiee.fr>
+ * Copyright (C) 2002-2004 Thibaut VARENE <varenet@parisc-linux.org>
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * 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 that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <linux/kernel.h>
#include <linux/reboot.h>
#include <linux/notifier.h>
+#include <linux/cache.h>
#include <asm/pdc_chassis.h>
#include <asm/processor.h>
+#include <asm/pdc.h>
+#include <asm/pdcpat.h>
#ifdef CONFIG_PDC_CHASSIS
-static int pdc_chassis_old = 0;
+static int pdc_chassis_old __read_mostly = 0;
+static unsigned int pdc_chassis_enabled __read_mostly = 1;
+
+
+/**
+ * pdc_chassis_setup() - Enable/disable pdc_chassis code at boot time.
+ * @str configuration param: 0 to disable chassis log
+ * @return 1
+ */
+
+static int __init pdc_chassis_setup(char *str)
+{
+ /*panic_timeout = simple_strtoul(str, NULL, 0);*/
+ get_option(&str, &pdc_chassis_enabled);
+ return 1;
+}
+__setup("pdcchassis=", pdc_chassis_setup);
/**
{
#ifdef CONFIG_PDC_CHASSIS
int handle = 0;
+ if (likely(pdc_chassis_enabled)) {
+ DPRINTK(KERN_DEBUG "%s: parisc_pdc_chassis_init()\n", __FILE__);
+
+ /* Let see if we have something to handle... */
+ /* Check for PDC_PAT or old LED Panel */
+ pdc_chassis_checkold();
+ if (is_pdc_pat()) {
+ printk(KERN_INFO "Enabling PDC_PAT chassis codes support.\n");
+ handle = 1;
+ }
+ else if (unlikely(pdc_chassis_old)) {
+ printk(KERN_INFO "Enabling old style chassis LED panel support.\n");
+ handle = 1;
+ }
- DPRINTK(KERN_DEBUG "%s: parisc_pdc_chassis_init()\n", __FILE__);
-
- /* Let see if we have something to handle... */
- /* Check for PDC_PAT or old LED Panel */
- pdc_chassis_checkold();
- if (is_pdc_pat()) {
-#ifdef __LP64__ /* see pdc_chassis_send_status() */
- printk(KERN_INFO "Enabling PDC_PAT chassis codes support.\n");
- handle = 1;
-#endif /* __LP64__ */
- }
- else if (pdc_chassis_old) {
- printk(KERN_INFO "Enabling old style chassis LED panel support.\n");
- handle = 1;
- }
-
- if (handle) {
- /* initialize panic notifier chain */
- notifier_chain_register(&panic_notifier_list, &pdc_chassis_panic_block);
+ if (handle) {
+ /* initialize panic notifier chain */
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &pdc_chassis_panic_block);
- /* initialize reboot notifier chain */
- register_reboot_notifier(&pdc_chassis_reboot_block);
+ /* initialize reboot notifier chain */
+ register_reboot_notifier(&pdc_chassis_reboot_block);
+ }
}
#endif /* CONFIG_PDC_CHASSIS */
}
/* Maybe we should do that in an other way ? */
int retval = 0;
#ifdef CONFIG_PDC_CHASSIS
- DPRINTK(KERN_DEBUG "%s: pdc_chassis_send_status(%d)\n", __FILE__, message);
-
-#ifdef __LP64__ /* pdc_pat_chassis_send_log is defined only when #ifdef __LP64__ */
- if (is_pdc_pat()) {
- switch(message) {
- case PDC_CHASSIS_DIRECT_BSTART:
- retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_BSTART, PDC_CHASSIS_LSTATE_RUN_NORMAL);
- break;
-
- case PDC_CHASSIS_DIRECT_BCOMPLETE:
- retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_BCOMPLETE, PDC_CHASSIS_LSTATE_RUN_NORMAL);
- break;
-
- case PDC_CHASSIS_DIRECT_SHUTDOWN:
- retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_SHUTDOWN, PDC_CHASSIS_LSTATE_NONOS);
- break;
-
- case PDC_CHASSIS_DIRECT_PANIC:
- retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_PANIC, PDC_CHASSIS_LSTATE_RUN_CRASHREC);
- break;
-
- case PDC_CHASSIS_DIRECT_LPMC:
- retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_LPMC, PDC_CHASSIS_LSTATE_RUN_SYSINT);
- break;
-
- case PDC_CHASSIS_DIRECT_HPMC:
- retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_HPMC, PDC_CHASSIS_LSTATE_RUN_NCRIT);
- break;
-
- default:
- retval = -1;
- }
- } else retval = -1;
+ if (likely(pdc_chassis_enabled)) {
+
+ DPRINTK(KERN_DEBUG "%s: pdc_chassis_send_status(%d)\n", __FILE__, message);
+
+#ifdef CONFIG_64BIT
+ if (is_pdc_pat()) {
+ switch(message) {
+ case PDC_CHASSIS_DIRECT_BSTART:
+ retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_BSTART, PDC_CHASSIS_LSTATE_RUN_NORMAL);
+ break;
+
+ case PDC_CHASSIS_DIRECT_BCOMPLETE:
+ retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_BCOMPLETE, PDC_CHASSIS_LSTATE_RUN_NORMAL);
+ break;
+
+ case PDC_CHASSIS_DIRECT_SHUTDOWN:
+ retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_SHUTDOWN, PDC_CHASSIS_LSTATE_NONOS);
+ break;
+
+ case PDC_CHASSIS_DIRECT_PANIC:
+ retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_PANIC, PDC_CHASSIS_LSTATE_RUN_CRASHREC);
+ break;
+
+ case PDC_CHASSIS_DIRECT_LPMC:
+ retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_LPMC, PDC_CHASSIS_LSTATE_RUN_SYSINT);
+ break;
+
+ case PDC_CHASSIS_DIRECT_HPMC:
+ retval = pdc_pat_chassis_send_log(PDC_CHASSIS_PMSG_HPMC, PDC_CHASSIS_LSTATE_RUN_NCRIT);
+ break;
+
+ default:
+ retval = -1;
+ }
+ } else retval = -1;
#else
- if (pdc_chassis_old) {
- switch (message) {
- case PDC_CHASSIS_DIRECT_BSTART:
- case PDC_CHASSIS_DIRECT_BCOMPLETE:
- retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_RUN));
- break;
-
- case PDC_CHASSIS_DIRECT_SHUTDOWN:
- retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_SHUT));
- break;
-
- case PDC_CHASSIS_DIRECT_HPMC:
- case PDC_CHASSIS_DIRECT_PANIC:
- retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_FLT));
- break;
-
- case PDC_CHASSIS_DIRECT_LPMC:
- retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_WARN));
- break;
-
- default:
- retval = -1;
- }
- } else retval = -1;
-#endif /* __LP64__ */
+ if (unlikely(pdc_chassis_old)) {
+ switch (message) {
+ case PDC_CHASSIS_DIRECT_BSTART:
+ case PDC_CHASSIS_DIRECT_BCOMPLETE:
+ retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_RUN));
+ break;
+
+ case PDC_CHASSIS_DIRECT_SHUTDOWN:
+ retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_SHUT));
+ break;
+
+ case PDC_CHASSIS_DIRECT_HPMC:
+ case PDC_CHASSIS_DIRECT_PANIC:
+ retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_FLT));
+ break;
+
+ case PDC_CHASSIS_DIRECT_LPMC:
+ retval = pdc_chassis_disp(PDC_CHASSIS_DISP_DATA(OSTAT_WARN));
+ break;
+
+ default:
+ retval = -1;
+ }
+ } else retval = -1;
+#endif /* CONFIG_64BIT */
+ } /* if (pdc_chassis_enabled) */
#endif /* CONFIG_PDC_CHASSIS */
return retval;
}