linux/arch/x86/xen/xen-ops.h
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   1#ifndef XEN_OPS_H
   2#define XEN_OPS_H
   3
   4#include <linux/init.h>
   5#include <linux/irqreturn.h>
   6#include <linux/clocksource.h>
   7#include <xen/xen-ops.h>
   8
   9/* These are code, but not functions.  Defined in entry.S */
  10extern const char xen_hypervisor_callback[];
  11extern const char xen_failsafe_callback[];
  12
  13struct trap_info;
  14void xen_copy_trap_info(struct trap_info *traps);
  15
  16DECLARE_PER_CPU(unsigned long, xen_cr3);
  17DECLARE_PER_CPU(unsigned long, xen_current_cr3);
  18
  19extern struct start_info *xen_start_info;
  20extern struct shared_info xen_dummy_shared_info;
  21extern struct shared_info *HYPERVISOR_shared_info;
  22
  23void xen_setup_mfn_list_list(void);
  24void xen_setup_shared_info(void);
  25
  26char * __init xen_memory_setup(void);
  27void __init xen_arch_setup(void);
  28void __init xen_init_IRQ(void);
  29void xen_enable_sysenter(void);
  30void xen_enable_syscall(void);
  31void xen_vcpu_restore(void);
  32
  33void __init xen_build_dynamic_phys_to_machine(void);
  34
  35void xen_setup_timer(int cpu);
  36void xen_setup_cpu_clockevents(void);
  37unsigned long xen_tsc_khz(void);
  38void __init xen_time_init(void);
  39unsigned long xen_get_wallclock(void);
  40int xen_set_wallclock(unsigned long time);
  41cycle_t xen_clocksource_read(void);
  42
  43irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  44
  45bool xen_vcpu_stolen(int vcpu);
  46
  47void xen_mark_init_mm_pinned(void);
  48
  49void __init xen_setup_vcpu_info_placement(void);
  50
  51#ifdef CONFIG_SMP
  52void xen_smp_init(void);
  53
  54extern cpumask_t xen_cpu_initialized_map;
  55#else
  56static inline void xen_smp_init(void) {}
  57#endif
  58
  59
  60/* Declare an asm function, along with symbols needed to make it
  61   inlineable */
  62#define DECL_ASM(ret, name, ...)                \
  63        ret name(__VA_ARGS__);                  \
  64        extern char name##_end[];               \
  65        extern char name##_reloc[]              \
  66
  67DECL_ASM(void, xen_irq_enable_direct, void);
  68DECL_ASM(void, xen_irq_disable_direct, void);
  69DECL_ASM(unsigned long, xen_save_fl_direct, void);
  70DECL_ASM(void, xen_restore_fl_direct, unsigned long);
  71
  72/* These are not functions, and cannot be called normally */
  73void xen_iret(void);
  74void xen_sysexit(void);
  75void xen_sysret32(void);
  76void xen_sysret64(void);
  77void xen_adjust_exception_frame(void);
  78
  79#endif /* XEN_OPS_H */
  80