LXR linux/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 */
  10extern const char xen_hypervisor_callback[];
  11extern const char xen_failsafe_callback[];
  12
  13extern void *xen_initial_gdt;
  14
  15struct trap_info;
  16void xen_copy_trap_info(struct trap_info *traps);
  17
  18DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);
  19DECLARE_PER_CPU(unsigned long, xen_cr3);
  20DECLARE_PER_CPU(unsigned long, xen_current_cr3);
  21
  22extern struct start_info *xen_start_info;
  23extern struct shared_info xen_dummy_shared_info;
  24extern struct shared_info *HYPERVISOR_shared_info;
  25
  26void xen_setup_mfn_list_list(void);
  27void xen_setup_shared_info(void);
  28void xen_build_mfn_list_list(void);
  29void xen_setup_machphys_mapping(void);
  30void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
  31void xen_reserve_top(void);
  32extern unsigned long xen_max_p2m_pfn;
  33
  34void xen_set_pat(u64);
  35
  36char * __init xen_memory_setup(void);
  37void __init xen_arch_setup(void);
  38void xen_enable_sysenter(void);
  39void xen_enable_syscall(void);
  40void xen_vcpu_restore(void);
  41
  42void xen_callback_vector(void);
  43void xen_hvm_init_shared_info(void);
  44void xen_unplug_emulated_devices(void);
  45
  46void __init xen_build_dynamic_phys_to_machine(void);
  47unsigned long __init xen_revector_p2m_tree(void);
  48
  49void xen_init_irq_ops(void);
  50void xen_setup_timer(int cpu);
  51void xen_setup_runstate_info(int cpu);
  52void xen_teardown_timer(int cpu);
  53cycle_t xen_clocksource_read(void);
  54void xen_setup_cpu_clockevents(void);
  55void __init xen_init_time_ops(void);
  56void __init xen_hvm_init_time_ops(void);
  57
  58irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  59
  60bool xen_vcpu_stolen(int vcpu);
  61
  62void xen_setup_vcpu_info_placement(void);
  63
  64#ifdef CONFIG_SMP
  65void xen_smp_init(void);
  66void __init xen_hvm_smp_init(void);
  67
  68extern cpumask_var_t xen_cpu_initialized_map;
  69#else
  70static inline void xen_smp_init(void) {}
  71static inline void xen_hvm_smp_init(void) {}
  72#endif
  73
  74#ifdef CONFIG_PARAVIRT_SPINLOCKS
  75void __init xen_init_spinlocks(void);
  76void xen_init_lock_cpu(int cpu);
  77void xen_uninit_lock_cpu(int cpu);
  78#else
  79static inline void xen_init_spinlocks(void)
  80{
  81}
  82static inline void xen_init_lock_cpu(int cpu)
  83{
  84}
  85static inline void xen_uninit_lock_cpu(int cpu)
  86{
  87}
  88#endif
  89
  90struct dom0_vga_console_info;
  91
  92#ifdef CONFIG_XEN_DOM0
  93void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size);
  94void __init xen_init_apic(void);
  95#else
  96static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
  97                                       size_t size)
  98{
  99}
 100static inline void __init xen_init_apic(void)
 101{
 102}
 103#endif
 104
 105/* Declare an asm function, along with symbols needed to make it
 106   inlineable */
 107#define DECL_ASM(ret, name, ...)                \
 108        __visible ret name(__VA_ARGS__);        \
 109        extern char name##_end[] __visible;     \
 110        extern char name##_reloc[] __visible
 111
 112DECL_ASM(void, xen_irq_enable_direct, void);
 113DECL_ASM(void, xen_irq_disable_direct, void);
 114DECL_ASM(unsigned long, xen_save_fl_direct, void);
 115DECL_ASM(void, xen_restore_fl_direct, unsigned long);
 116
 117/* These are not functions, and cannot be called normally */
 118__visible void xen_iret(void);
 119__visible void xen_sysexit(void);
 120__visible void xen_sysret32(void);
 121__visible void xen_sysret64(void);
 122__visible void xen_adjust_exception_frame(void);
 123
 124extern int xen_panic_handler_init(void);
 125
 126#endif /* XEN_OPS_H */
 127