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Diffstat (limited to 'hw/watchdog.h')
| -rw-r--r-- | hw/watchdog.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/hw/watchdog.h b/hw/watchdog.h new file mode 100644 index 0000000..c2b2b36 --- /dev/null +++ b/hw/watchdog.h @@ -0,0 +1,65 @@ +/* + * 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 */ |