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, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19 * USA. 20 * 21 * By Richard W.M. Jones (rjones (at) redhat.com). 22 */ 23 24 #ifndef QEMU_WATCHDOG_H 25 #define QEMU_WATCHDOG_H 26 27 extern void wdt_i6300esb_init(void); 28 extern void wdt_ib700_init(void); 29 30 /* Possible values for action parameter. */ 31 #define WDT_RESET 1 /* Hard reset. */ 32 #define WDT_SHUTDOWN 2 /* Shutdown. */ 33 #define WDT_POWEROFF 3 /* Quit. */ 34 #define WDT_PAUSE 4 /* Pause. */ 35 #define WDT_DEBUG 5 /* Prints a message and continues running. */ 36 #define WDT_NONE 6 /* Do nothing. */ 37 38 struct WatchdogTimerModel { 39 LIST_ENTRY(WatchdogTimerModel) entry; 40 41 /* Short name of the device - used to select it on the command line. */ 42 const char *wdt_name; 43 /* Longer description (eg. manufacturer and full model number). */ 44 const char *wdt_description; 45 46 /* This callback should create/register the device. It is called 47 * indirectly from hw/pc.c when the virtual PC is being set up. 48 */ 49 void (*wdt_pc_init)(PCIBus *pci_bus); 50 }; 51 typedef struct WatchdogTimerModel WatchdogTimerModel; 52 53 /* in vl.c */ 54 extern WatchdogTimerModel *watchdog; 55 extern int watchdog_action; 56 57 /* in hw/watchdog.c */ 58 extern int select_watchdog(const char *p); 59 extern int select_watchdog_action(const char *action); 60 extern void watchdog_add_model(WatchdogTimerModel *model); 61 extern void watchdog_perform_action(void); 62 extern void watchdog_pc_init(PCIBus *pci_bus); 63 extern void register_watchdogs(void); 64 65 #endif /* QEMU_WATCHDOG_H */ 66
