1 /* 2 * Virtual hardware watchdog. 3 * 4 * Copyright (C) 2009 Red Hat Inc. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 2 9 * of the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 * 19 * By Richard W.M. Jones (rjones (at) redhat.com). 20 */ 21 22 #ifndef QEMU_WATCHDOG_H 23 #define QEMU_WATCHDOG_H 24 25 extern void wdt_i6300esb_init(void); 26 extern void wdt_ib700_init(void); 27 28 /* Possible values for action parameter. */ 29 #define WDT_RESET 1 /* Hard reset. */ 30 #define WDT_SHUTDOWN 2 /* Shutdown. */ 31 #define WDT_POWEROFF 3 /* Quit. */ 32 #define WDT_PAUSE 4 /* Pause. */ 33 #define WDT_DEBUG 5 /* Prints a message and continues running. */ 34 #define WDT_NONE 6 /* Do nothing. */ 35 36 struct WatchdogTimerModel { 37 QLIST_ENTRY(WatchdogTimerModel) entry; 38 39 /* Short name of the device - used to select it on the command line. */ 40 const char *wdt_name; 41 /* Longer description (eg. manufacturer and full model number). */ 42 const char *wdt_description; 43 44 /* This callback should create/register the device. It is called 45 * indirectly from hw/pc.c when the virtual PC is being set up. 46 */ 47 void (*wdt_pc_init)(PCIBus *pci_bus); 48 }; 49 typedef struct WatchdogTimerModel WatchdogTimerModel; 50 51 /* in vl.c */ 52 extern WatchdogTimerModel *watchdog; 53 extern int watchdog_action; 54 55 /* in hw/watchdog.c */ 56 extern int select_watchdog(const char *p); 57 extern int select_watchdog_action(const char *action); 58 extern void watchdog_add_model(WatchdogTimerModel *model); 59 extern void watchdog_perform_action(void); 60 extern void watchdog_pc_init(PCIBus *pci_bus); 61 extern void register_watchdogs(void); 62 63 #endif /* QEMU_WATCHDOG_H */ 64
