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 RunState runstate_get(void); 10 bool runstate_is_running(void); 11 bool runstate_needs_reset(void); 12 void runstate_replay_enable(void); 13 14 typedef void VMChangeStateHandler(void *opaque, bool running, RunState state); 15 16 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, 17 void *opaque); 18 VMChangeStateEntry *qemu_add_vm_change_state_handler_prio( 19 VMChangeStateHandler *cb, void *opaque, int priority); 20 VMChangeStateEntry * 21 qemu_add_vm_change_state_handler_prio_full(VMChangeStateHandler *cb, 22 VMChangeStateHandler *prepare_cb, 23 void *opaque, int priority); 24 VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev, 25 VMChangeStateHandler *cb, 26 void *opaque); 27 VMChangeStateEntry *qdev_add_vm_change_state_handler_full( 28 DeviceState *dev, VMChangeStateHandler *cb, 29 VMChangeStateHandler *prepare_cb, void *opaque); 30 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e); 31 /** 32 * vm_state_notify: Notify the state of the VM 33 * 34 * @running: whether the VM is running or not. 35 * @state: the #RunState of the VM. 36 */ 37 void vm_state_notify(bool running, RunState state); 38 39 static inline bool shutdown_caused_by_guest(ShutdownCause cause) 40 { 41 return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN; 42 } 43 44 /* 45 * In a "live" state, the vcpu clock is ticking, and the runstate notifiers 46 * think we are running. 47 */ 48 static inline bool runstate_is_live(RunState state) 49 { 50 return state == RUN_STATE_RUNNING || state == RUN_STATE_SUSPENDED; 51 } 52 53 void vm_start(void); 54 55 /** 56 * vm_prepare_start: Prepare for starting/resuming the VM 57 * 58 * @step_pending: whether any of the CPUs is about to be single-stepped by gdb 59 */ 60 int vm_prepare_start(bool step_pending); 61 62 /** 63 * vm_resume: If @state is a live state, start the vm and set the state, 64 * else just set the state. 65 * 66 * @state: the state to restore 67 */ 68 void vm_resume(RunState state); 69 70 int vm_stop(RunState state); 71 int vm_stop_force_state(RunState state); 72 int vm_shutdown(void); 73 void vm_set_suspended(bool suspended); 74 bool vm_get_suspended(void); 75 76 typedef enum WakeupReason { 77 /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ 78 QEMU_WAKEUP_REASON_NONE = 0, 79 QEMU_WAKEUP_REASON_RTC, 80 QEMU_WAKEUP_REASON_PMTIMER, 81 QEMU_WAKEUP_REASON_OTHER, 82 } WakeupReason; 83 84 void qemu_system_reset_request(ShutdownCause reason); 85 void qemu_system_suspend_request(void); 86 void qemu_register_suspend_notifier(Notifier *notifier); 87 bool qemu_wakeup_suspend_enabled(void); 88 void qemu_system_wakeup_request(WakeupReason reason, Error **errp); 89 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); 90 void qemu_register_wakeup_notifier(Notifier *notifier); 91 void qemu_register_wakeup_support(void); 92 void qemu_system_shutdown_request_with_code(ShutdownCause reason, 93 int exit_code); 94 void qemu_system_shutdown_request(ShutdownCause reason); 95 void qemu_system_powerdown_request(void); 96 void qemu_register_powerdown_notifier(Notifier *notifier); 97 void qemu_register_shutdown_notifier(Notifier *notifier); 98 void qemu_system_debug_request(void); 99 void qemu_system_vmstop_request(RunState reason); 100 void qemu_system_vmstop_request_prepare(void); 101 bool qemu_vmstop_requested(RunState *r); 102 ShutdownCause qemu_shutdown_requested_get(void); 103 ShutdownCause qemu_reset_requested_get(void); 104 void qemu_system_killed(int signal, pid_t pid); 105 void qemu_system_reset(ShutdownCause reason); 106 void qemu_system_guest_panicked(GuestPanicInformation *info); 107 void qemu_system_guest_crashloaded(GuestPanicInformation *info); 108 void qemu_system_guest_pvshutdown(void); 109 bool qemu_system_dump_in_progress(void); 110 111 #endif 112 113