| /* |
| * Intel_SCU 0.2: An Intel SCU IOH Based Watchdog Device |
| * for Intel part #(s): |
| * - AF82MP20 PCH |
| * |
| * Copyright (C) 2009-2010 Intel Corporation. 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 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. |
| * The full GNU General Public License is included in this |
| * distribution in the file called COPYING. |
| * |
| */ |
| |
| #ifndef __INTEL_SCU_WATCHDOG_H |
| #define __INTEL_SCU_WATCHDOG_H |
| |
| #ifdef CONFIG_COMPAT |
| #include <linux/compat.h> |
| #endif |
| |
| #ifdef CONFIG_DEBUG_FS |
| #include <linux/debugfs.h> |
| #endif |
| |
| #define PFX "intel_scu_watchdog: " |
| #define WDT_VER "0.3" |
| |
| #define DEFAULT_PRETIMEOUT 15 |
| #define DEFAULT_TIMEOUT 75 |
| #define DEFAULT_SCHEDULE_MARGIN 10 |
| #define DEFAULT_TIMER_DURATION (DEFAULT_TIMEOUT - \ |
| DEFAULT_PRETIMEOUT - DEFAULT_SCHEDULE_MARGIN) |
| |
| /* minimum time between interrupts */ |
| #define MIN_TIME_CYCLE 1 |
| #define MAX_TIME 170 |
| #define MAX_SOFT_TO_HARD_MARGIN (MAX_TIME-MIN_TIME_CYCLE) |
| |
| /* Value 0 to reset the reset counter */ |
| #define OSNIB_WRITE_VALUE 0 |
| |
| struct intel_scu_watchdog_dev { |
| ulong driver_open; |
| ulong driver_closed; |
| bool started; |
| struct sfi_timer_table_entry *timer7_tbl_ptr; |
| struct sfi_timer_table_entry *timer6_tbl_ptr; |
| struct notifier_block reboot_notifier; |
| struct miscdevice miscdev; |
| bool shutdown_flag; |
| bool reboot_flag; |
| struct tasklet_struct interrupt_tasklet; |
| int reset_type; |
| int normal_wd_action; |
| int reboot_wd_action; |
| int shutdown_wd_action; |
| #ifdef CONFIG_DEBUG_FS |
| bool panic_reboot_notifier; |
| struct dentry *dfs_wd; |
| struct dentry *dfs_secwd; |
| struct dentry *dfs_secwd_trigger; |
| struct dentry *dfs_kwd; |
| struct dentry *dfs_kwd_trigger; |
| struct dentry *dfs_kwd_reset_type; |
| struct dentry *dfs_kwd_panic_reboot; |
| #endif /* CONFIG_DEBUG_FS */ |
| }; |
| |
| #endif /* __INTEL_SCU_WATCHDOG_H */ |
