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 DECLARE_PER_CPU(unsigned long, xen_current_cr3); 15 16 extern struct start_info *xen_start_info; 17 extern struct shared_info *HYPERVISOR_shared_info; 18 19 char * __init xen_memory_setup(void); 20 void __init xen_arch_setup(void); 21 void __init xen_init_IRQ(void); 22 23 void xen_setup_timer(int cpu); 24 void xen_setup_cpu_clockevents(void); 25 unsigned long xen_cpu_khz(void); 26 void __init xen_time_init(void); 27 unsigned long xen_get_wallclock(void); 28 int xen_set_wallclock(unsigned long time); 29 unsigned long long xen_sched_clock(void); 30 31 bool xen_vcpu_stolen(int vcpu); 32 33 void xen_mark_init_mm_pinned(void); 34 35 void __init xen_fill_possible_map(void); 36 37 void __init xen_setup_vcpu_info_placement(void); 38 void xen_smp_prepare_boot_cpu(void); 39 void xen_smp_prepare_cpus(unsigned int max_cpus); 40 int xen_cpu_up(unsigned int cpu); 41 void xen_smp_cpus_done(unsigned int max_cpus); 42 43 void xen_smp_send_stop(void); 44 void xen_smp_send_reschedule(int cpu); 45 int xen_smp_call_function (void (*func) (void *info), void *info, int nonatomic, 46 int wait); 47 int xen_smp_call_function_single(int cpu, void (*func) (void *info), void *info, 48 int nonatomic, int wait); 49 50 int xen_smp_call_function_mask(cpumask_t mask, void (*func)(void *), 51 void *info, int wait); 52 53 54 /* Declare an asm function, along with symbols needed to make it 55 inlineable */ 56 #define DECL_ASM(ret, name, ...) \ 57 ret name(__VA_ARGS__); \ 58 extern char name##_end[]; \ 59 extern char name##_reloc[] \ 60 61 DECL_ASM(void, xen_irq_enable_direct, void); 62 DECL_ASM(void, xen_irq_disable_direct, void); 63 DECL_ASM(unsigned long, xen_save_fl_direct, void); 64 DECL_ASM(void, xen_restore_fl_direct, unsigned long); 65 66 void xen_iret_direct(void); 67 #endif /* XEN_OPS_H */ 68