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