1 #ifndef XEN_OPS_H 2 #define XEN_OPS_H 3 4 #include <linux/init.h> 5 6 /* These are code, but not functions. Defined in entry.S */ 7 extern const char xen_hypervisor_callback[]; 8 extern const char xen_failsafe_callback[]; 9 10 void xen_copy_trap_info(struct trap_info *traps); 11 12 DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu); 13 DECLARE_PER_CPU(unsigned long, xen_cr3); 14 15 extern struct start_info *xen_start_info; 16 extern struct shared_info *HYPERVISOR_shared_info; 17 18 char * __init xen_memory_setup(void); 19 void __init xen_arch_setup(void); 20 void __init xen_init_IRQ(void); 21 22 void xen_setup_timer(int cpu); 23 void xen_setup_cpu_clockevents(void); 24 unsigned long xen_cpu_khz(void); 25 void __init xen_time_init(void); 26 unsigned long xen_get_wallclock(void); 27 int xen_set_wallclock(unsigned long time); 28 unsigned long long xen_sched_clock(void); 29 30 void xen_mark_init_mm_pinned(void); 31 32 DECLARE_PER_CPU(enum paravirt_lazy_mode, xen_lazy_mode); 33 34 static inline unsigned xen_get_lazy_mode(void) 35 { 36 return x86_read_percpu(xen_lazy_mode); 37 } 38 39 void __init xen_fill_possible_map(void); 40 41 void __init xen_setup_vcpu_info_placement(void); 42 void xen_smp_prepare_boot_cpu(void); 43 void xen_smp_prepare_cpus(unsigned int max_cpus); 44 int xen_cpu_up(unsigned int cpu); 45 void xen_smp_cpus_done(unsigned int max_cpus); 46 47 void xen_smp_send_stop(void); 48 void xen_smp_send_reschedule(int cpu); 49 int xen_smp_call_function (void (*func) (void *info), void *info, int nonatomic, 50 int wait); 51 int xen_smp_call_function_single(int cpu, void (*func) (void *info), void *info, 52 int nonatomic, int wait); 53 54 int xen_smp_call_function_mask(cpumask_t mask, void (*func)(void *), 55 void *info, int wait); 56 57 58 /* Declare an asm function, along with symbols needed to make it 59 inlineable */ 60 #define DECL_ASM(ret, name, ...) \ 61 ret name(__VA_ARGS__); \ 62 extern char name##_end[]; \ 63 extern char name##_reloc[] \ 64 65 DECL_ASM(void, xen_irq_enable_direct, void); 66 DECL_ASM(void, xen_irq_disable_direct, void); 67 DECL_ASM(unsigned long, xen_save_fl_direct, void); 68 DECL_ASM(void, xen_restore_fl_direct, unsigned long); 69 70 void xen_iret_direct(void); 71 #endif /* XEN_OPS_H */ 72