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);
  38void __init xen_reserve_special_pages(void);
  39void __init xen_pt_check_e820(void);
  40
  41void xen_mm_pin_all(void);
  42void xen_mm_unpin_all(void);
  43#ifdef CONFIG_X86_64
  44void __init xen_relocate_p2m(void);
  45#endif
  46
  47bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size);
  48unsigned long __ref xen_chk_extra_mem(unsigned long pfn);
  49void __init xen_inv_extra_mem(void);
  50void __init xen_remap_memory(void);
  51phys_addr_t __init xen_find_free_area(phys_addr_t size);
  52char * __init xen_memory_setup(void);
  53char * xen_auto_xlated_memory_setup(void);
  54void __init xen_arch_setup(void);
  55void xen_enable_sysenter(void);
  56void xen_enable_syscall(void);
  57void xen_vcpu_restore(void);
  58
  59void xen_callback_vector(void);
  60void xen_hvm_init_shared_info(void);
  61void xen_unplug_emulated_devices(void);
  62
  63void __init xen_build_dynamic_phys_to_machine(void);
  64void __init xen_vmalloc_p2m_tree(void);
  65
  66void xen_init_irq_ops(void);
  67void xen_setup_timer(int cpu);
  68void xen_setup_runstate_info(int cpu);
  69void xen_teardown_timer(int cpu);
  70cycle_t xen_clocksource_read(void);
  71void xen_setup_cpu_clockevents(void);
  72void __init xen_init_time_ops(void);
  73void __init xen_hvm_init_time_ops(void);
  74
  75irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  76
  77bool xen_vcpu_stolen(int vcpu);
  78
  79void xen_setup_vcpu_info_placement(void);
  80
  81#ifdef CONFIG_SMP
  82void xen_smp_init(void);
  83void __init xen_hvm_smp_init(void);
  84
  85extern cpumask_var_t xen_cpu_initialized_map;
  86#else
  87static inline void xen_smp_init(void) {}
  88static inline void xen_hvm_smp_init(void) {}
  89#endif
  90
  91#ifdef CONFIG_PARAVIRT_SPINLOCKS
  92void __init xen_init_spinlocks(void);
  93void xen_init_lock_cpu(int cpu);
  94void xen_uninit_lock_cpu(int cpu);
  95#else
  96static inline void xen_init_spinlocks(void)
  97{
  98}
  99static inline void xen_init_lock_cpu(int cpu)
 100{
 101}
 102static inline void xen_uninit_lock_cpu(int cpu)
 103{
 104}
 105#endif
 106
 107struct dom0_vga_console_info;
 108
 109#ifdef CONFIG_XEN_DOM0
 110void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size);
 111#else
 112static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
 113                                       size_t size)
 114{
 115}
 116#endif
 117
 118void __init xen_init_apic(void);
 119
 120#ifdef CONFIG_XEN_EFI
 121extern void xen_efi_init(void);
 122#else
 123static inline void __init xen_efi_init(void)
 124{
 125}
 126#endif
 127
 128/* Declare an asm function, along with symbols needed to make it
 129   inlineable */
 130#define DECL_ASM(ret, name, ...)                \
 131        __visible ret name(__VA_ARGS__);        \
 132        extern char name##_end[] __visible;     \
 133        extern char name##_reloc[] __visible
 134
 135DECL_ASM(void, xen_irq_enable_direct, void);
 136DECL_ASM(void, xen_irq_disable_direct, void);
 137DECL_ASM(unsigned long, xen_save_fl_direct, void);
 138DECL_ASM(void, xen_restore_fl_direct, unsigned long);
 139
 140/* These are not functions, and cannot be called normally */
 141__visible void xen_iret(void);
 142__visible void xen_sysret32(void);
 143__visible void xen_sysret64(void);
 144__visible void xen_adjust_exception_frame(void);
 145
 146extern int xen_panic_handler_init(void);
 147
 148void xen_pvh_secondary_vcpu_init(int cpu);
 149#endif /* XEN_OPS_H */
 150