xref: /openbmc/qemu/include/sysemu/cpus.h (revision 5242ef88)
1 #ifndef QEMU_CPUS_H
2 #define QEMU_CPUS_H
3 
4 #include "qemu/timer.h"
5 #include "sysemu/accel-ops.h"
6 
7 /* register accel-specific operations */
8 void cpus_register_accel(const AccelOpsClass *i);
9 
10 /* accel/dummy-cpus.c */
11 
12 /* Create a dummy vcpu for AccelOpsClass->create_vcpu_thread */
13 void dummy_start_vcpu_thread(CPUState *);
14 
15 /* interface available for cpus accelerator threads */
16 
17 /* For temporary buffers for forming a name */
18 #define VCPU_THREAD_NAME_SIZE 16
19 
20 void cpus_kick_thread(CPUState *cpu);
21 bool cpu_work_list_empty(CPUState *cpu);
22 bool cpu_thread_is_idle(CPUState *cpu);
23 bool all_cpu_threads_idle(void);
24 bool cpu_can_run(CPUState *cpu);
25 void qemu_wait_io_event_common(CPUState *cpu);
26 void qemu_wait_io_event(CPUState *cpu);
27 void cpu_thread_signal_created(CPUState *cpu);
28 void cpu_thread_signal_destroyed(CPUState *cpu);
29 void cpu_handle_guest_debug(CPUState *cpu);
30 
31 /* end interface for cpus accelerator threads */
32 
33 bool qemu_in_vcpu_thread(void);
34 void qemu_init_cpu_loop(void);
35 void resume_all_vcpus(void);
36 void pause_all_vcpus(void);
37 void cpu_stop_current(void);
38 
39 extern int icount_align_option;
40 
41 /* Unblock cpu */
42 void qemu_cpu_kick_self(void);
43 
44 bool cpus_are_resettable(void);
45 
46 void cpu_synchronize_all_states(void);
47 void cpu_synchronize_all_post_reset(void);
48 void cpu_synchronize_all_post_init(void);
49 void cpu_synchronize_all_pre_loadvm(void);
50 
51 #ifndef CONFIG_USER_ONLY
52 /* vl.c */
53 /* *-user doesn't have configurable SMP topology */
54 extern int smp_cores;
55 extern int smp_threads;
56 #endif
57 
58 #endif
59