1 #ifndef QEMU_CPUS_H 2 #define QEMU_CPUS_H 3 4 #include "qemu/timer.h" 5 6 /* cpus.c */ 7 8 /* CPU execution threads */ 9 10 typedef struct CpusAccel { 11 void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY */ 12 void (*kick_vcpu_thread)(CPUState *cpu); 13 14 void (*synchronize_post_reset)(CPUState *cpu); 15 void (*synchronize_post_init)(CPUState *cpu); 16 void (*synchronize_state)(CPUState *cpu); 17 void (*synchronize_pre_loadvm)(CPUState *cpu); 18 19 void (*handle_interrupt)(CPUState *cpu, int mask); 20 21 int64_t (*get_virtual_clock)(void); 22 int64_t (*get_elapsed_ticks)(void); 23 } CpusAccel; 24 25 /* register accel-specific cpus interface implementation */ 26 void cpus_register_accel(const CpusAccel *i); 27 28 /* interface available for cpus accelerator threads */ 29 30 /* For temporary buffers for forming a name */ 31 #define VCPU_THREAD_NAME_SIZE 16 32 33 void cpus_kick_thread(CPUState *cpu); 34 bool cpu_work_list_empty(CPUState *cpu); 35 bool cpu_thread_is_idle(CPUState *cpu); 36 bool all_cpu_threads_idle(void); 37 bool cpu_can_run(CPUState *cpu); 38 void qemu_wait_io_event_common(CPUState *cpu); 39 void qemu_wait_io_event(CPUState *cpu); 40 void cpu_thread_signal_created(CPUState *cpu); 41 void cpu_thread_signal_destroyed(CPUState *cpu); 42 void cpu_handle_guest_debug(CPUState *cpu); 43 44 /* end interface for cpus accelerator threads */ 45 46 bool qemu_in_vcpu_thread(void); 47 void qemu_init_cpu_loop(void); 48 void resume_all_vcpus(void); 49 void pause_all_vcpus(void); 50 void cpu_stop_current(void); 51 52 extern int icount_align_option; 53 54 /* Unblock cpu */ 55 void qemu_cpu_kick_self(void); 56 57 void cpu_synchronize_all_states(void); 58 void cpu_synchronize_all_post_reset(void); 59 void cpu_synchronize_all_post_init(void); 60 void cpu_synchronize_all_pre_loadvm(void); 61 62 #ifndef CONFIG_USER_ONLY 63 /* vl.c */ 64 /* *-user doesn't have configurable SMP topology */ 65 extern int smp_cores; 66 extern int smp_threads; 67 #endif 68 69 void list_cpus(const char *optarg); 70 71 #endif 72