 9ff5e79f2e
			
		
	
	
		9ff5e79f2e
		
	
	
	
	
		
			
			Define the vm_resume helper, for use in subsequent patches. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Reviewed-by: Peter Xu <peterx@redhat.com> Link: https://lore.kernel.org/r/1704312341-66640-5-git-send-email-steven.sistare@oracle.com Signed-off-by: Peter Xu <peterx@redhat.com>
		
			
				
	
	
		
			111 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef SYSEMU_RUNSTATE_H
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| #define SYSEMU_RUNSTATE_H
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| 
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| #include "qapi/qapi-types-run-state.h"
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| #include "qemu/notify.h"
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| 
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| bool runstate_check(RunState state);
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| void runstate_set(RunState new_state);
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| RunState runstate_get(void);
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| bool runstate_is_running(void);
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| bool runstate_needs_reset(void);
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| 
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| typedef void VMChangeStateHandler(void *opaque, bool running, RunState state);
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| 
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| VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
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|                                                      void *opaque);
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| VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
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|         VMChangeStateHandler *cb, void *opaque, int priority);
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| VMChangeStateEntry *
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| qemu_add_vm_change_state_handler_prio_full(VMChangeStateHandler *cb,
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|                                            VMChangeStateHandler *prepare_cb,
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|                                            void *opaque, int priority);
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| VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev,
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|                                                      VMChangeStateHandler *cb,
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|                                                      void *opaque);
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| VMChangeStateEntry *qdev_add_vm_change_state_handler_full(
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|     DeviceState *dev, VMChangeStateHandler *cb,
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|     VMChangeStateHandler *prepare_cb, void *opaque);
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| void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
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| /**
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|  * vm_state_notify: Notify the state of the VM
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|  *
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|  * @running: whether the VM is running or not.
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|  * @state: the #RunState of the VM.
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|  */
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| void vm_state_notify(bool running, RunState state);
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| 
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| static inline bool shutdown_caused_by_guest(ShutdownCause cause)
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| {
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|     return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
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| }
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| 
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| /*
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|  * In a "live" state, the vcpu clock is ticking, and the runstate notifiers
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|  * think we are running.
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|  */
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| static inline bool runstate_is_live(RunState state)
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| {
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|     return state == RUN_STATE_RUNNING || state == RUN_STATE_SUSPENDED;
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| }
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| 
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| void vm_start(void);
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| 
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| /**
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|  * vm_prepare_start: Prepare for starting/resuming the VM
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|  *
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|  * @step_pending: whether any of the CPUs is about to be single-stepped by gdb
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|  */
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| int vm_prepare_start(bool step_pending);
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| 
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| /**
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|  * vm_resume: If @state is a live state, start the vm and set the state,
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|  * else just set the state.
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|  *
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|  * @state: the state to restore
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|  */
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| void vm_resume(RunState state);
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| 
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| int vm_stop(RunState state);
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| int vm_stop_force_state(RunState state);
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| int vm_shutdown(void);
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| void vm_set_suspended(bool suspended);
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| bool vm_get_suspended(void);
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| 
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| typedef enum WakeupReason {
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|     /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
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|     QEMU_WAKEUP_REASON_NONE = 0,
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|     QEMU_WAKEUP_REASON_RTC,
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|     QEMU_WAKEUP_REASON_PMTIMER,
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|     QEMU_WAKEUP_REASON_OTHER,
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| } WakeupReason;
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| 
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| void qemu_system_reset_request(ShutdownCause reason);
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| void qemu_system_suspend_request(void);
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| void qemu_register_suspend_notifier(Notifier *notifier);
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| bool qemu_wakeup_suspend_enabled(void);
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| void qemu_system_wakeup_request(WakeupReason reason, Error **errp);
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| void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
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| void qemu_register_wakeup_notifier(Notifier *notifier);
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| void qemu_register_wakeup_support(void);
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| void qemu_system_shutdown_request_with_code(ShutdownCause reason,
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|                                             int exit_code);
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| void qemu_system_shutdown_request(ShutdownCause reason);
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| void qemu_system_powerdown_request(void);
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| void qemu_register_powerdown_notifier(Notifier *notifier);
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| void qemu_register_shutdown_notifier(Notifier *notifier);
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| void qemu_system_debug_request(void);
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| void qemu_system_vmstop_request(RunState reason);
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| void qemu_system_vmstop_request_prepare(void);
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| bool qemu_vmstop_requested(RunState *r);
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| ShutdownCause qemu_shutdown_requested_get(void);
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| ShutdownCause qemu_reset_requested_get(void);
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| void qemu_system_killed(int signal, pid_t pid);
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| void qemu_system_reset(ShutdownCause reason);
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| void qemu_system_guest_panicked(GuestPanicInformation *info);
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| void qemu_system_guest_crashloaded(GuestPanicInformation *info);
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| bool qemu_system_dump_in_progress(void);
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| 
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| #endif
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| 
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