71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
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* Intel_SCU 0.3: An Intel SCU IOH Based Watchdog Device
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* for Intel part #(s):
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* - AF82MP20 PCH
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*
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* Copyright (C) 2009-2013 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General
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* Public License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* The full GNU General Public License is included in this
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* distribution in the file called COPYING.
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*
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*/
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#ifndef __INTEL_SCU_WATCHDOG_H
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#define __INTEL_SCU_WATCHDOG_H
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#ifdef CONFIG_COMPAT
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#include <linux/compat.h>
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#endif
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#ifdef CONFIG_DEBUG_FS
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#include <linux/debugfs.h>
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#endif
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#define PFX "intel_scu_watchdog: "
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#define WDT_VER "0.3"
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#define RESET_ON_PANIC_TIMEOUT 15
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#define DEFAULT_PRETIMEOUT 75
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#define DEFAULT_TIMEOUT (DEFAULT_PRETIMEOUT + RESET_ON_PANIC_TIMEOUT)
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/* Value 0 to reset the reset counter */
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#define OSNIB_WRITE_VALUE 0
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struct intel_scu_watchdog_dev {
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ulong driver_open;
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ulong driver_closed;
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bool started;
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struct notifier_block reboot_notifier;
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struct miscdevice miscdev;
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bool shutdown_flag;
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struct tasklet_struct panic_tasklet;
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int reset_type;
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int normal_wd_action;
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int reboot_wd_action;
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int shutdown_wd_action;
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#ifdef CONFIG_DEBUG_FS
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bool panic_reboot_notifier;
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struct dentry *dfs_wd;
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struct dentry *dfs_secwd;
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struct dentry *dfs_secwd_trigger;
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struct dentry *dfs_kwd;
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struct dentry *dfs_kwd_trigger;
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struct dentry *dfs_kwd_reset_type;
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struct dentry *dfs_kwd_panic_reboot;
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#endif /* CONFIG_DEBUG_FS */
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};
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#endif /* __INTEL_SCU_WATCHDOG_H */
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