diff options
Diffstat (limited to 'hw/watchdog.c')
| -rw-r--r-- | hw/watchdog.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/hw/watchdog.c b/hw/watchdog.c deleted file mode 100644 index 072d256882..0000000000 --- a/hw/watchdog.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * 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, see <http://www.gnu.org/licenses/>. - * - * By Richard W.M. Jones (rjones@redhat.com). - */ - -#include "qemu-common.h" -#include "qemu/option.h" -#include "qemu/config-file.h" -#include "qemu/queue.h" -#include "qapi/qmp/types.h" -#include "monitor/monitor.h" -#include "sysemu/sysemu.h" -#include "hw/watchdog.h" - -/* 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. */ - -static int watchdog_action = WDT_RESET; -static QLIST_HEAD(watchdog_list, WatchdogTimerModel) watchdog_list; - -void watchdog_add_model(WatchdogTimerModel *model) -{ - QLIST_INSERT_HEAD(&watchdog_list, model, entry); -} - -/* Returns: - * 0 = continue - * 1 = exit program with error - * 2 = exit program without error - */ -int select_watchdog(const char *p) -{ - WatchdogTimerModel *model; - QemuOpts *opts; - - /* -watchdog ? lists available devices and exits cleanly. */ - if (is_help_option(p)) { - QLIST_FOREACH(model, &watchdog_list, entry) { - fprintf(stderr, "\t%s\t%s\n", - model->wdt_name, model->wdt_description); - } - return 2; - } - - QLIST_FOREACH(model, &watchdog_list, entry) { - if (strcasecmp(model->wdt_name, p) == 0) { - /* add the device */ - opts = qemu_opts_create_nofail(qemu_find_opts("device")); - qemu_opt_set(opts, "driver", p); - return 0; - } - } - - fprintf(stderr, "Unknown -watchdog device. Supported devices are:\n"); - QLIST_FOREACH(model, &watchdog_list, entry) { - fprintf(stderr, "\t%s\t%s\n", - model->wdt_name, model->wdt_description); - } - return 1; -} - -int select_watchdog_action(const char *p) -{ - if (strcasecmp(p, "reset") == 0) - watchdog_action = WDT_RESET; - else if (strcasecmp(p, "shutdown") == 0) - watchdog_action = WDT_SHUTDOWN; - else if (strcasecmp(p, "poweroff") == 0) - watchdog_action = WDT_POWEROFF; - else if (strcasecmp(p, "pause") == 0) - watchdog_action = WDT_PAUSE; - else if (strcasecmp(p, "debug") == 0) - watchdog_action = WDT_DEBUG; - else if (strcasecmp(p, "none") == 0) - watchdog_action = WDT_NONE; - else - return -1; - - return 0; -} - -static void watchdog_mon_event(const char *action) -{ - QObject *data; - - data = qobject_from_jsonf("{ 'action': %s }", action); - monitor_protocol_event(QEVENT_WATCHDOG, data); - qobject_decref(data); -} - -/* This actually performs the "action" once a watchdog has expired, - * ie. reboot, shutdown, exit, etc. - */ -void watchdog_perform_action(void) -{ - switch(watchdog_action) { - case WDT_RESET: /* same as 'system_reset' in monitor */ - watchdog_mon_event("reset"); - qemu_system_reset_request(); - break; - - case WDT_SHUTDOWN: /* same as 'system_powerdown' in monitor */ - watchdog_mon_event("shutdown"); - qemu_system_powerdown_request(); - break; - - case WDT_POWEROFF: /* same as 'quit' command in monitor */ - watchdog_mon_event("poweroff"); - exit(0); - break; - - case WDT_PAUSE: /* same as 'stop' command in monitor */ - watchdog_mon_event("pause"); - vm_stop(RUN_STATE_WATCHDOG); - break; - - case WDT_DEBUG: - watchdog_mon_event("debug"); - fprintf(stderr, "watchdog: timer fired\n"); - break; - - case WDT_NONE: - watchdog_mon_event("none"); - break; - } -} |