include/sysemu/runstate.h

   1 #ifndef SYSEMU_RUNSTATE_H
   2 #define SYSEMU_RUNSTATE_H
   3
   4 #include "qapi/qapi-types-run-state.h"
   5 #include "qemu/notify.h"
   6
   7 bool runstate_check(RunState state);
   8 void runstate_set(RunState new_state);
   9 bool runstate_is_running(void);
  10 bool runstate_needs_reset(void);
  11 bool runstate_store(char *str, size_t size);
  12
  13 typedef void VMChangeStateHandler(void *opaque, bool running, RunState state);
  14
  15 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
  16                                                      void *opaque);
  17 VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
  18         VMChangeStateHandler *cb, void *opaque, int priority);
  19 VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev,
  20                                                      VMChangeStateHandler *cb,
  21                                                      void *opaque);
  22 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
  23 /**
  24  * vm_state_notify: Notify the state of the VM
  25  *
  26  * @running: whether the VM is running or not.
  27  * @state: the #RunState of the VM.
  28  */
  29 void vm_state_notify(bool running, RunState state);
  30
  31 static inline bool shutdown_caused_by_guest(ShutdownCause cause)
  32 {
  33     return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
  34 }
  35
  36 void vm_start(void);
  37
  38 /**
  39  * vm_prepare_start: Prepare for starting/resuming the VM
  40  *
  41  * @step_pending: whether any of the CPUs is about to be single-stepped by gdb
  42  */
  43 int vm_prepare_start(bool step_pending);
  44 int vm_stop(RunState state);
  45 int vm_stop_force_state(RunState state);
  46 int vm_shutdown(void);
  47
  48 typedef enum WakeupReason {
  49     /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
  50     QEMU_WAKEUP_REASON_NONE = 0,
  51     QEMU_WAKEUP_REASON_RTC,
  52     QEMU_WAKEUP_REASON_PMTIMER,
  53     QEMU_WAKEUP_REASON_OTHER,
  54 } WakeupReason;
  55
  56 void qemu_system_reset_request(ShutdownCause reason);
  57 void qemu_system_suspend_request(void);
  58 void qemu_register_suspend_notifier(Notifier *notifier);
  59 bool qemu_wakeup_suspend_enabled(void);
  60 void qemu_system_wakeup_request(WakeupReason reason, Error **errp);
  61 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
  62 void qemu_register_wakeup_notifier(Notifier *notifier);
  63 void qemu_register_wakeup_support(void);
  64 void qemu_system_shutdown_request(ShutdownCause reason);
  65 void qemu_system_powerdown_request(void);
  66 void qemu_register_powerdown_notifier(Notifier *notifier);
  67 void qemu_register_shutdown_notifier(Notifier *notifier);
  68 void qemu_system_debug_request(void);
  69 void qemu_system_vmstop_request(RunState reason);
  70 void qemu_system_vmstop_request_prepare(void);
  71 bool qemu_vmstop_requested(RunState *r);
  72 ShutdownCause qemu_shutdown_requested_get(void);
  73 ShutdownCause qemu_reset_requested_get(void);
  74 void qemu_system_killed(int signal, pid_t pid);
  75 void qemu_system_reset(ShutdownCause reason);
  76 void qemu_system_guest_panicked(GuestPanicInformation *info);
  77 void qemu_system_guest_crashloaded(GuestPanicInformation *info);
  78 bool qemu_system_dump_in_progress(void);
  79
  80 #endif
  81