arch/x86/xen/xen-ops.h

   1 #ifndef XEN_OPS_H
   2 #define XEN_OPS_H
   3
   4 #include <linux/init.h>
   5 #include <linux/clocksource.h>
   6 #include <linux/irqreturn.h>
   7 #include <xen/xen-ops.h>
   8
   9 /* These are code, but not functions.  Defined in entry.S */
  10 extern const char xen_hypervisor_callback[];
  11 extern const char xen_failsafe_callback[];
  12
  13 struct trap_info;
  14 void xen_copy_trap_info(struct trap_info *traps);
  15
  16 DECLARE_PER_CPU(unsigned long, xen_cr3);
  17 DECLARE_PER_CPU(unsigned long, xen_current_cr3);
  18
  19 extern struct start_info *xen_start_info;
  20 extern struct shared_info xen_dummy_shared_info;
  21 extern struct shared_info *HYPERVISOR_shared_info;
  22
  23 void xen_setup_mfn_list_list(void);
  24 void xen_setup_shared_info(void);
  25
  26 char * __init xen_memory_setup(void);
  27 void __init xen_arch_setup(void);
  28 void __init xen_init_IRQ(void);
  29 void xen_enable_sysenter(void);
  30 void xen_enable_syscall(void);
  31 void xen_vcpu_restore(void);
  32
  33 void __init xen_build_dynamic_phys_to_machine(void);
  34
  35 void xen_init_irq_ops(void);
  36 void xen_setup_timer(int cpu);
  37 void xen_teardown_timer(int cpu);
  38 cycle_t xen_clocksource_read(void);
  39 void xen_setup_cpu_clockevents(void);
  40 unsigned long xen_tsc_khz(void);
  41 void __init xen_time_init(void);
  42 unsigned long xen_get_wallclock(void);
  43 int xen_set_wallclock(unsigned long time);
  44 unsigned long long xen_sched_clock(void);
  45
  46 irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  47
  48 bool xen_vcpu_stolen(int vcpu);
  49
  50 void xen_mark_init_mm_pinned(void);
  51
  52 void xen_setup_vcpu_info_placement(void);
  53
  54 #ifdef CONFIG_SMP
  55 void xen_smp_init(void);
  56
  57 void __init xen_init_spinlocks(void);
  58 __cpuinit void xen_init_lock_cpu(int cpu);
  59 void xen_uninit_lock_cpu(int cpu);
  60
  61 extern cpumask_t xen_cpu_initialized_map;
  62 #else
  63 static inline void xen_smp_init(void) {}
  64 #endif
  65
  66
  67 /* Declare an asm function, along with symbols needed to make it
  68    inlineable */
  69 #define DECL_ASM(ret, name, ...)                \
  70         ret name(__VA_ARGS__);                  \
  71         extern char name##_end[];               \
  72         extern char name##_reloc[]              \
  73
  74 DECL_ASM(void, xen_irq_enable_direct, void);
  75 DECL_ASM(void, xen_irq_disable_direct, void);
  76 DECL_ASM(unsigned long, xen_save_fl_direct, void);
  77 DECL_ASM(void, xen_restore_fl_direct, unsigned long);
  78
  79 /* These are not functions, and cannot be called normally */
  80 void xen_iret(void);
  81 void xen_sysexit(void);
  82 void xen_sysret32(void);
  83 void xen_sysret64(void);
  84 void xen_adjust_exception_frame(void);
  85
  86 #endif /* XEN_OPS_H */