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
  13void xen_sysenter_target(void);
  14#ifdef CONFIG_X86_64
  15void xen_syscall_target(void);
  16void xen_syscall32_target(void);
  17#endif
  18
  19extern void *xen_initial_gdt;
  20
  21struct trap_info;
  22void xen_copy_trap_info(struct trap_info *traps);
  23
  24DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);
  25DECLARE_PER_CPU(unsigned long, xen_cr3);
  26DECLARE_PER_CPU(unsigned long, xen_current_cr3);
  27
  28extern struct start_info *xen_start_info;
  29extern struct shared_info xen_dummy_shared_info;
  30extern struct shared_info *HYPERVISOR_shared_info;
  31
  32void xen_setup_mfn_list_list(void);
  33void xen_setup_shared_info(void);
  34void xen_build_mfn_list_list(void);
  35void xen_setup_machphys_mapping(void);
  36void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
  37void xen_reserve_top(void);
  38
  39void xen_mm_pin_all(void);
  40void xen_mm_unpin_all(void);
  41
  42unsigned long __ref xen_chk_extra_mem(unsigned long pfn);
  43void __init xen_inv_extra_mem(void);
  44void __init xen_remap_memory(void);
  45char * __init xen_memory_setup(void);
  46char * xen_auto_xlated_memory_setup(void);
  47void __init xen_arch_setup(void);
  48void xen_enable_sysenter(void);
  49void xen_enable_syscall(void);
  50void xen_vcpu_restore(void);
  51
  52void xen_callback_vector(void);
  53void xen_hvm_init_shared_info(void);
  54void xen_unplug_emulated_devices(void);
  55
  56void __init xen_build_dynamic_phys_to_machine(void);
  57void __init xen_vmalloc_p2m_tree(void);
  58
  59void xen_init_irq_ops(void);
  60void xen_setup_timer(int cpu);
  61void xen_setup_runstate_info(int cpu);
  62void xen_teardown_timer(int cpu);
  63cycle_t xen_clocksource_read(void);
  64void xen_setup_cpu_clockevents(void);
  65void __init xen_init_time_ops(void);
  66void __init xen_hvm_init_time_ops(void);
  67
  68irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  69
  70bool xen_vcpu_stolen(int vcpu);
  71
  72void xen_setup_vcpu_info_placement(void);
  73
  74#ifdef CONFIG_SMP
  75void xen_smp_init(void);
  76void __init xen_hvm_smp_init(void);
  77
  78extern cpumask_var_t xen_cpu_initialized_map;
  79#else
  80static inline void xen_smp_init(void) {}
  81static inline void xen_hvm_smp_init(void) {}
  82#endif
  83
  84#ifdef CONFIG_PARAVIRT_SPINLOCKS
  85void __init xen_init_spinlocks(void);
  86void xen_init_lock_cpu(int cpu);
  87void xen_uninit_lock_cpu(int cpu);
  88#else
  89static inline void xen_init_spinlocks(void)
  90{
  91}
  92static inline void xen_init_lock_cpu(int cpu)
  93{
  94}
  95static inline void xen_uninit_lock_cpu(int cpu)
  96{
  97}
  98#endif
  99
 100struct dom0_vga_console_info;
 101
 102#ifdef CONFIG_XEN_DOM0
 103void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size);
 104void __init xen_init_apic(void);
 105#else
 106static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
 107                                       size_t size)
 108{
 109}
 110static inline void __init xen_init_apic(void)
 111{
 112}
 113#endif
 114
 115#ifdef CONFIG_XEN_EFI
 116extern void xen_efi_init(void);
 117#else
 118static inline void __init xen_efi_init(void)
 119{
 120}
 121#endif
 122
 123/* Declare an asm function, along with symbols needed to make it
 124   inlineable */
 125#define DECL_ASM(ret, name, ...)                \
 126        __visible ret name(__VA_ARGS__);        \
 127        extern char name##_end[] __visible;     \
 128        extern char name##_reloc[] __visible
 129
 130DECL_ASM(void, xen_irq_enable_direct, void);
 131DECL_ASM(void, xen_irq_disable_direct, void);
 132DECL_ASM(unsigned long, xen_save_fl_direct, void);
 133DECL_ASM(void, xen_restore_fl_direct, unsigned long);
 134
 135/* These are not functions, and cannot be called normally */
 136__visible void xen_iret(void);
 137__visible void xen_sysexit(void);
 138__visible void xen_sysret32(void);
 139__visible void xen_sysret64(void);
 140__visible void xen_adjust_exception_frame(void);
 141
 142extern int xen_panic_handler_init(void);
 143
 144void xen_pvh_secondary_vcpu_init(int cpu);
 145#endif /* XEN_OPS_H */
 146