xen-ops.h 3.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148
  1. #ifndef XEN_OPS_H
  2. #define XEN_OPS_H
  3. #include <linux/init.h>
  4. #include <linux/clocksource.h>
  5. #include <linux/irqreturn.h>
  6. #include <xen/xen-ops.h>
  7. /* These are code, but not functions. Defined in entry.S */
  8. extern const char xen_hypervisor_callback[];
  9. extern const char xen_failsafe_callback[];
  10. void xen_sysenter_target(void);
  11. #ifdef CONFIG_X86_64
  12. void xen_syscall_target(void);
  13. void xen_syscall32_target(void);
  14. #endif
  15. extern void *xen_initial_gdt;
  16. struct trap_info;
  17. void xen_copy_trap_info(struct trap_info *traps);
  18. DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);
  19. DECLARE_PER_CPU(unsigned long, xen_cr3);
  20. DECLARE_PER_CPU(unsigned long, xen_current_cr3);
  21. extern struct start_info *xen_start_info;
  22. extern struct shared_info xen_dummy_shared_info;
  23. extern struct shared_info *HYPERVISOR_shared_info;
  24. void xen_setup_mfn_list_list(void);
  25. void xen_setup_shared_info(void);
  26. void xen_build_mfn_list_list(void);
  27. void xen_setup_machphys_mapping(void);
  28. void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
  29. void xen_reserve_top(void);
  30. void xen_mm_pin_all(void);
  31. void xen_mm_unpin_all(void);
  32. unsigned long __ref xen_chk_extra_mem(unsigned long pfn);
  33. void __init xen_inv_extra_mem(void);
  34. void __init xen_remap_memory(void);
  35. char * __init xen_memory_setup(void);
  36. char * xen_auto_xlated_memory_setup(void);
  37. void __init xen_arch_setup(void);
  38. void xen_enable_sysenter(void);
  39. void xen_enable_syscall(void);
  40. void xen_vcpu_restore(void);
  41. void xen_callback_vector(void);
  42. void xen_hvm_init_shared_info(void);
  43. void xen_unplug_emulated_devices(void);
  44. void __init xen_build_dynamic_phys_to_machine(void);
  45. void __init xen_vmalloc_p2m_tree(void);
  46. void xen_init_irq_ops(void);
  47. void xen_setup_timer(int cpu);
  48. void xen_setup_runstate_info(int cpu);
  49. void xen_teardown_timer(int cpu);
  50. cycle_t xen_clocksource_read(void);
  51. void xen_setup_cpu_clockevents(void);
  52. void __init xen_init_time_ops(void);
  53. void __init xen_hvm_init_time_ops(void);
  54. irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
  55. bool xen_vcpu_stolen(int vcpu);
  56. void xen_setup_vcpu_info_placement(void);
  57. #ifdef CONFIG_SMP
  58. void xen_smp_init(void);
  59. void __init xen_hvm_smp_init(void);
  60. extern cpumask_var_t xen_cpu_initialized_map;
  61. #else
  62. static inline void xen_smp_init(void) {}
  63. static inline void xen_hvm_smp_init(void) {}
  64. #endif
  65. #ifdef CONFIG_PARAVIRT_SPINLOCKS
  66. void __init xen_init_spinlocks(void);
  67. void xen_init_lock_cpu(int cpu);
  68. void xen_uninit_lock_cpu(int cpu);
  69. #else
  70. static inline void xen_init_spinlocks(void)
  71. {
  72. }
  73. static inline void xen_init_lock_cpu(int cpu)
  74. {
  75. }
  76. static inline void xen_uninit_lock_cpu(int cpu)
  77. {
  78. }
  79. #endif
  80. struct dom0_vga_console_info;
  81. #ifdef CONFIG_XEN_DOM0
  82. void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size);
  83. void __init xen_init_apic(void);
  84. #else
  85. static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
  86. size_t size)
  87. {
  88. }
  89. static inline void __init xen_init_apic(void)
  90. {
  91. }
  92. #endif
  93. #ifdef CONFIG_XEN_EFI
  94. extern void xen_efi_init(void);
  95. #else
  96. static inline void __init xen_efi_init(void)
  97. {
  98. }
  99. #endif
  100. /* Declare an asm function, along with symbols needed to make it
  101. inlineable */
  102. #define DECL_ASM(ret, name, ...) \
  103. __visible ret name(__VA_ARGS__); \
  104. extern char name##_end[] __visible; \
  105. extern char name##_reloc[] __visible
  106. DECL_ASM(void, xen_irq_enable_direct, void);
  107. DECL_ASM(void, xen_irq_disable_direct, void);
  108. DECL_ASM(unsigned long, xen_save_fl_direct, void);
  109. DECL_ASM(void, xen_restore_fl_direct, unsigned long);
  110. /* These are not functions, and cannot be called normally */
  111. __visible void xen_iret(void);
  112. #ifdef CONFIG_X86_32
  113. __visible void xen_sysexit(void);
  114. #endif
  115. __visible void xen_sysret32(void);
  116. __visible void xen_sysret64(void);
  117. __visible void xen_adjust_exception_frame(void);
  118. extern int xen_panic_handler_init(void);
  119. void xen_pvh_secondary_vcpu_init(int cpu);
  120. #endif /* XEN_OPS_H */