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_setup_machphys_mapping(void);
  29pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
  30void xen_ident_map_ISA(void);
  31void xen_reserve_top(void);
  32
  33char * __init xen_memory_setup(void);
  34void __init xen_arch_setup(void);
  35void __init xen_init_IRQ(void);
  36void xen_enable_sysenter(void);
  37void xen_enable_syscall(void);
  38void xen_vcpu_restore(void);
  39
  40void __init xen_build_dynamic_phys_to_machine(void);
  41
  42void xen_init_irq_ops(void);
  43void xen_setup_timer(int cpu);
  44void xen_teardown_timer(int cpu);
  45cycle_t xen_clocksource_read(void);
  46void xen_setup_cpu_clockevents(void);
  47unsigned long xen_tsc_khz(void);
  48void __init xen_time_init(void);
  49unsigned long xen_get_wallclock(void);
  50int xen_set_wallclock(unsigned long time);
  51unsigned long long xen_sched_clock(void);
  52
  53irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  54
  55bool xen_vcpu_stolen(int vcpu);
  56
  57void xen_setup_vcpu_info_placement(void);
  58
  59#ifdef CONFIG_SMP
  60void xen_smp_init(void);
  61
  62extern cpumask_var_t xen_cpu_initialized_map;
  63#else
  64static inline void xen_smp_init(void) {}
  65#endif
  66
  67#ifdef CONFIG_PARAVIRT_SPINLOCKS
  68void __init xen_init_spinlocks(void);
  69__cpuinit void xen_init_lock_cpu(int cpu);
  70void xen_uninit_lock_cpu(int cpu);
  71#else
  72static inline void xen_init_spinlocks(void)
  73{
  74}
  75static inline void xen_init_lock_cpu(int cpu)
  76{
  77}
  78static inline void xen_uninit_lock_cpu(int cpu)
  79{
  80}
  81#endif
  82
  83/* Declare an asm function, along with symbols needed to make it
  84   inlineable */
  85#define DECL_ASM(ret, name, ...)                \
  86        ret name(__VA_ARGS__);                  \
  87        extern char name##_end[];               \
  88        extern char name##_reloc[]              \
  89
  90DECL_ASM(void, xen_irq_enable_direct, void);
  91DECL_ASM(void, xen_irq_disable_direct, void);
  92DECL_ASM(unsigned long, xen_save_fl_direct, void);
  93DECL_ASM(void, xen_restore_fl_direct, unsigned long);
  94
  95/* These are not functions, and cannot be called normally */
  96void xen_iret(void);
  97void xen_sysexit(void);
  98void xen_sysret32(void);
  99void xen_sysret64(void);
 100void xen_adjust_exception_frame(void);
 101
 102#endif /* XEN_OPS_H */
 103