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 */
10 extern const char xen_hypervisor_callback[];
11 extern const char xen_failsafe_callback[];
12
13 struct trap_info;
14 void xen_copy_trap_info(struct trap_info *traps);
15
16 DECLARE_PER_CPU(unsigned long, xen_cr3);
17 DECLARE_PER_CPU(unsigned long, xen_current_cr3);
18
19 extern struct start_info *xen_start_info;
20 extern struct shared_info xen_dummy_shared_info;
21 extern struct shared_info *HYPERVISOR_shared_info;
22
23 void xen_setup_mfn_list_list(void);
24 void xen_setup_shared_info(void);
25
26 char * __init xen_memory_setup(void);
27 void __init xen_arch_setup(void);
28 void __init xen_init_IRQ(void);
29 void xen_enable_sysenter(void);
30 void xen_enable_syscall(void);
31 void xen_vcpu_restore(void);
32
33 void __init xen_build_dynamic_phys_to_machine(void);
34
35 void xen_init_irq_ops(void);
36 void xen_setup_timer(int cpu);
37 void xen_teardown_timer(int cpu);
38 cycle_t xen_clocksource_read(void);
39 void xen_setup_cpu_clockevents(void);
40 unsigned long xen_tsc_khz(void);
41 void __init xen_time_init(void);
42 unsigned long xen_get_wallclock(void);
43 int xen_set_wallclock(unsigned long time);
44 unsigned long long xen_sched_clock(void);
45
46 irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
47
48 bool xen_vcpu_stolen(int vcpu);
49
50 void xen_mark_init_mm_pinned(void);
51
52 void xen_setup_vcpu_info_placement(void);
53
54 #ifdef CONFIG_SMP
55 void xen_smp_init(void);
56
57 void __init xen_init_spinlocks(void);
58 __cpuinit void xen_init_lock_cpu(int cpu);
59 void xen_uninit_lock_cpu(int cpu);
60
61 extern cpumask_var_t xen_cpu_initialized_map;
62 #else
xen_smp_init(void)63 static inline void xen_smp_init(void) {}
64 #endif
65
66
67 /* Declare an asm function, along with symbols needed to make it
68 inlineable */
69 #define DECL_ASM(ret, name, ...) \
70 ret name(__VA_ARGS__); \
71 extern char name##_end[]; \
72 extern char name##_reloc[] \
73
74 DECL_ASM(void, xen_irq_enable_direct, void);
75 DECL_ASM(void, xen_irq_disable_direct, void);
76 DECL_ASM(unsigned long, xen_save_fl_direct, void);
77 DECL_ASM(void, xen_restore_fl_direct, unsigned long);
78
79 /* These are not functions, and cannot be called normally */
80 void xen_iret(void);
81 void xen_sysexit(void);
82 void xen_sysret32(void);
83 void xen_sysret64(void);
84 void xen_adjust_exception_frame(void);
85
86 #endif /* XEN_OPS_H */
87