include/sysemu/cpus.h

   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 /* return registers ops */
  11 const AccelOpsClass *cpus_get_accel(void);
  12
  13 /* accel/dummy-cpus.c */
  14
  15 /* Create a dummy vcpu for AccelOpsClass->create_vcpu_thread */
  16 void dummy_start_vcpu_thread(CPUState *);
  17
  18 /* interface available for cpus accelerator threads */
  19
  20 /* For temporary buffers for forming a name */
  21 #define VCPU_THREAD_NAME_SIZE 16
  22
  23 void cpus_kick_thread(CPUState *cpu);
  24 bool cpu_work_list_empty(CPUState *cpu);
  25 bool cpu_thread_is_idle(CPUState *cpu);
  26 bool all_cpu_threads_idle(void);
  27 bool cpu_can_run(CPUState *cpu);
  28 void qemu_wait_io_event_common(CPUState *cpu);
  29 void qemu_wait_io_event(CPUState *cpu);
  30 void cpu_thread_signal_created(CPUState *cpu);
  31 void cpu_thread_signal_destroyed(CPUState *cpu);
  32 void cpu_handle_guest_debug(CPUState *cpu);
  33
  34 /* end interface for cpus accelerator threads */
  35
  36 bool qemu_in_vcpu_thread(void);
  37 void qemu_init_cpu_loop(void);
  38 void resume_all_vcpus(void);
  39 void pause_all_vcpus(void);
  40 void cpu_stop_current(void);
  41
  42 extern int icount_align_option;
  43
  44 /* Unblock cpu */
  45 void qemu_cpu_kick_self(void);
  46
  47 bool cpus_are_resettable(void);
  48
  49 void cpu_synchronize_all_states(void);
  50 void cpu_synchronize_all_post_reset(void);
  51 void cpu_synchronize_all_post_init(void);
  52 void cpu_synchronize_all_pre_loadvm(void);
  53
  54 #ifndef CONFIG_USER_ONLY
  55 /* vl.c */
  56 /* *-user doesn't have configurable SMP topology */
  57 extern int smp_cores;
  58 extern int smp_threads;
  59 #endif
  60
  61 #endif