Archipelago » qemu

/*

 * Virtual hardware watchdog.

 *

 * Copyright (C) 2009 Red Hat Inc.

 *

 * 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.

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,

 * USA.

 *

 * By Richard W.M. Jones (rjones@redhat.com).

 */

#ifndef QEMU_WATCHDOG_H

#define QEMU_WATCHDOG_H

extern void wdt_i6300esb_init(void);

extern void wdt_ib700_init(void);

/* Possible values for action parameter. */

#define WDT_RESET        1        /* Hard reset. */

#define WDT_SHUTDOWN     2        /* Shutdown. */

#define WDT_POWEROFF     3        /* Quit. */

#define WDT_PAUSE        4        /* Pause. */

#define WDT_DEBUG        5        /* Prints a message and continues running. */

#define WDT_NONE         6        /* Do nothing. */

struct WatchdogTimerModel {

    LIST_ENTRY(WatchdogTimerModel) entry;

    /* Short name of the device - used to select it on the command line. */

    const char *wdt_name;

    /* Longer description (eg. manufacturer and full model number). */

    const char *wdt_description;

    /* This callback should create/register the device.  It is called

     * indirectly from hw/pc.c when the virtual PC is being set up.

     */

    void (*wdt_pc_init)(PCIBus *pci_bus);

};

typedef struct WatchdogTimerModel WatchdogTimerModel;

/* in vl.c */

extern WatchdogTimerModel *watchdog;

extern int watchdog_action;

/* in hw/watchdog.c */

extern int select_watchdog(const char *p);

extern int select_watchdog_action(const char *action);

extern void watchdog_add_model(WatchdogTimerModel *model);

extern void watchdog_perform_action(void);

extern void watchdog_pc_init(PCIBus *pci_bus);

extern void register_watchdogs(void);

#endif /* QEMU_WATCHDOG_H */