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 /* Create a dummy vcpu for CpusAccel->create_vcpu_thread */ 29 void dummy_start_vcpu_thread(CPUState *); 30 31 /* interface available for cpus accelerator threads */ 32 33 /* For temporary buffers for forming a name */ 34 #define VCPU_THREAD_NAME_SIZE 16 35 36 void cpus_kick_thread(CPUState *cpu); 37 bool cpu_work_list_empty(CPUState *cpu); 38 bool cpu_thread_is_idle(CPUState *cpu); 39 bool all_cpu_threads_idle(void); 40 bool cpu_can_run(CPUState *cpu); 41 void qemu_wait_io_event_common(CPUState *cpu); 42 void qemu_wait_io_event(CPUState *cpu); 43 void cpu_thread_signal_created(CPUState *cpu); 44 void cpu_thread_signal_destroyed(CPUState *cpu); 45 void cpu_handle_guest_debug(CPUState *cpu); 46 47 /* end interface for cpus accelerator threads */ 48 49 bool qemu_in_vcpu_thread(void); 50 void qemu_init_cpu_loop(void); 51 void resume_all_vcpus(void); 52 void pause_all_vcpus(void); 53 void cpu_stop_current(void); 54 55 extern int icount_align_option; 56 57 /* Unblock cpu */ 58 void qemu_cpu_kick_self(void); 59 60 void cpu_synchronize_all_states(void); 61 void cpu_synchronize_all_post_reset(void); 62 void cpu_synchronize_all_post_init(void); 63 void cpu_synchronize_all_pre_loadvm(void); 64 65 #ifndef CONFIG_USER_ONLY 66 /* vl.c */ 67 /* *-user doesn't have configurable SMP topology */ 68 extern int smp_cores; 69 extern int smp_threads; 70 #endif 71 72 void list_cpus(const char *optarg); 73 74 #endif 75