1 #ifndef XEN_OPS_H 2 #define XEN_OPS_H 3 4 #include <linux/init.h> 5 #include <linux/irqreturn.h> 6 #include <xen/xen-ops.h> 7 8 /* These are code, but not functions. Defined in entry.S */ 9 extern const char xen_hypervisor_callback[]; 10 extern const char xen_failsafe_callback[]; 11 12 struct trap_info; 13 void xen_copy_trap_info(struct trap_info *traps); 14 15 DECLARE_PER_CPU(unsigned long, xen_cr3); 16 DECLARE_PER_CPU(unsigned long, xen_current_cr3); 17 18 extern struct start_info *xen_start_info; 19 extern struct shared_info xen_dummy_shared_info; 20 extern struct shared_info *HYPERVISOR_shared_info; 21 22 void xen_setup_mfn_list_list(void); 23 void xen_setup_shared_info(void); 24 25 char * __init xen_memory_setup(void); 26 void __init xen_arch_setup(void); 27 void __init xen_init_IRQ(void); 28 void xen_enable_sysenter(void); 29 void xen_enable_syscall(void); 30 void xen_vcpu_restore(void); 31 32 void __init xen_build_dynamic_phys_to_machine(void); 33 34 void xen_setup_timer(int cpu); 35 void xen_setup_cpu_clockevents(void); 36 unsigned long xen_tsc_khz(void); 37 void __init xen_time_init(void); 38 unsigned long xen_get_wallclock(void); 39 int xen_set_wallclock(unsigned long time); 40 unsigned long long xen_sched_clock(void); 41 42 irqreturn_t xen_debug_interrupt(int irq, void *dev_id); 43 44 bool xen_vcpu_stolen(int vcpu); 45 46 void xen_mark_init_mm_pinned(void); 47 48 void __init xen_setup_vcpu_info_placement(void); 49 50 #ifdef CONFIG_SMP 51 void xen_smp_init(void); 52 53 extern cpumask_t xen_cpu_initialized_map; 54 #else 55 static inline void xen_smp_init(void) {} 56 #endif 57 58 59 /* Declare an asm function, along with symbols needed to make it 60 inlineable */ 61 #define DECL_ASM(ret, name, ...) \ 62 ret name(__VA_ARGS__); \ 63 extern char name##_end[]; \ 64 extern char name##_reloc[] \ 65 66 DECL_ASM(void, xen_irq_enable_direct, void); 67 DECL_ASM(void, xen_irq_disable_direct, void); 68 DECL_ASM(unsigned long, xen_save_fl_direct, void); 69 DECL_ASM(void, xen_restore_fl_direct, unsigned long); 70 71 /* These are not functions, and cannot be called normally */ 72 void xen_iret(void); 73 void xen_sysexit(void); 74 void xen_sysret32(void); 75 void xen_sysret64(void); 76 void xen_adjust_exception_frame(void); 77 78 #endif /* XEN_OPS_H */ 79