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