arch/x86/xen/xen-ops.h

   1 #ifndef XEN_OPS_H
   2 #define XEN_OPS_H
   3
   4 #include <linux/init.h>
   5
   6 /* These are code, but not functions.  Defined in entry.S */
   7 extern const char xen_hypervisor_callback[];
   8 extern const char xen_failsafe_callback[];
   9
  10 void xen_copy_trap_info(struct trap_info *traps);
  11
  12 DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu);
  13 DECLARE_PER_CPU(unsigned long, xen_cr3);
  14
  15 extern struct start_info *xen_start_info;
  16 extern struct shared_info *HYPERVISOR_shared_info;
  17
  18 char * __init xen_memory_setup(void);
  19 void __init xen_arch_setup(void);
  20 void __init xen_init_IRQ(void);
  21
  22 void xen_setup_timer(int cpu);
  23 void xen_setup_cpu_clockevents(void);
  24 unsigned long xen_cpu_khz(void);
  25 void __init xen_time_init(void);
  26 unsigned long xen_get_wallclock(void);
  27 int xen_set_wallclock(unsigned long time);
  28 unsigned long long xen_sched_clock(void);
  29
  30 void xen_mark_init_mm_pinned(void);
  31
  32 DECLARE_PER_CPU(enum paravirt_lazy_mode, xen_lazy_mode);
  33
  34 static inline unsigned xen_get_lazy_mode(void)
  35 {
  36         return x86_read_percpu(xen_lazy_mode);
  37 }
  38
  39 void __init xen_fill_possible_map(void);
  40
  41 void __init xen_setup_vcpu_info_placement(void);
  42 void xen_smp_prepare_boot_cpu(void);
  43 void xen_smp_prepare_cpus(unsigned int max_cpus);
  44 int xen_cpu_up(unsigned int cpu);
  45 void xen_smp_cpus_done(unsigned int max_cpus);
  46
  47 void xen_smp_send_stop(void);
  48 void xen_smp_send_reschedule(int cpu);
  49 int xen_smp_call_function (void (*func) (void *info), void *info, int nonatomic,
  50                            int wait);
  51 int xen_smp_call_function_single(int cpu, void (*func) (void *info), void *info,
  52                                  int nonatomic, int wait);
  53
  54 int xen_smp_call_function_mask(cpumask_t mask, void (*func)(void *),
  55                                void *info, int wait);
  56
  57
  58 /* Declare an asm function, along with symbols needed to make it
  59    inlineable */
  60 #define DECL_ASM(ret, name, ...)                \
  61         ret name(__VA_ARGS__);                  \
  62         extern char name##_end[];               \
  63         extern char name##_reloc[]              \
  64
  65 DECL_ASM(void, xen_irq_enable_direct, void);
  66 DECL_ASM(void, xen_irq_disable_direct, void);
  67 DECL_ASM(unsigned long, xen_save_fl_direct, void);
  68 DECL_ASM(void, xen_restore_fl_direct, unsigned long);
  69
  70 void xen_iret_direct(void);
  71 #endif /* XEN_OPS_H */