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_mm_pin_all(void); 35void xen_mm_unpin_all(void); 36void xen_set_pat(u64); 37 38char * __init xen_memory_setup(void); 39char * xen_auto_xlated_memory_setup(void); 40void __init xen_arch_setup(void); 41void xen_enable_sysenter(void); 42void xen_enable_syscall(void); 43void xen_vcpu_restore(void); 44 45void xen_callback_vector(void); 46void xen_hvm_init_shared_info(void); 47void xen_unplug_emulated_devices(void); 48 49void __init xen_build_dynamic_phys_to_machine(void); 50unsigned long __init xen_revector_p2m_tree(void); 51 52void xen_init_irq_ops(void); 53void xen_setup_timer(int cpu); 54void xen_setup_runstate_info(int cpu); 55void xen_teardown_timer(int cpu); 56cycle_t xen_clocksource_read(void); 57void xen_setup_cpu_clockevents(void); 58void __init xen_init_time_ops(void); 59void __init xen_hvm_init_time_ops(void); 60 61irqreturn_t xen_debug_interrupt(int irq, void *dev_id); 62 63bool xen_vcpu_stolen(int vcpu); 64 65void xen_setup_vcpu_info_placement(void); 66 67#ifdef CONFIG_SMP 68void xen_smp_init(void); 69void __init xen_hvm_smp_init(void); 70 71extern cpumask_var_t xen_cpu_initialized_map; 72#else 73static inline void xen_smp_init(void) {} 74static inline void xen_hvm_smp_init(void) {} 75#endif 76 77#ifdef CONFIG_PARAVIRT_SPINLOCKS 78void __init xen_init_spinlocks(void); 79void xen_init_lock_cpu(int cpu); 80void xen_uninit_lock_cpu(int cpu); 81#else 82static inline void xen_init_spinlocks(void) 83{ 84} 85static inline void xen_init_lock_cpu(int cpu) 86{ 87} 88static inline void xen_uninit_lock_cpu(int cpu) 89{ 90} 91#endif 92 93struct dom0_vga_console_info; 94 95#ifdef CONFIG_XEN_DOM0 96void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size); 97void __init xen_init_apic(void); 98#else 99static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, 100 size_t size) 101{ 102} 103static inline void __init xen_init_apic(void) 104{ 105} 106#endif 107 108#ifdef CONFIG_XEN_EFI 109extern void xen_efi_init(void); 110#else 111static inline void __init xen_efi_init(void) 112{ 113} 114#endif 115 116/* Declare an asm function, along with symbols needed to make it 117 inlineable */ 118#define DECL_ASM(ret, name, ...) \ 119 __visible ret name(__VA_ARGS__); \ 120 extern char name##_end[] __visible; \ 121 extern char name##_reloc[] __visible 122 123DECL_ASM(void, xen_irq_enable_direct, void); 124DECL_ASM(void, xen_irq_disable_direct, void); 125DECL_ASM(unsigned long, xen_save_fl_direct, void); 126DECL_ASM(void, xen_restore_fl_direct, unsigned long); 127 128/* These are not functions, and cannot be called normally */ 129__visible void xen_iret(void); 130__visible void xen_sysexit(void); 131__visible void xen_sysret32(void); 132__visible void xen_sysret64(void); 133__visible void xen_adjust_exception_frame(void); 134 135extern int xen_panic_handler_init(void); 136 137void xen_pvh_secondary_vcpu_init(int cpu); 138#endif /* XEN_OPS_H */ 139