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
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_setup_machphys_mapping(void);
29pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
30void xen_ident_map_ISA(void);
31void xen_reserve_top(void);
32
33char * __init xen_memory_setup(void);
34void __init xen_arch_setup(void);
35void __init xen_init_IRQ(void);
36void xen_enable_sysenter(void);
37void xen_enable_syscall(void);
38void xen_vcpu_restore(void);
39
40void __init xen_build_dynamic_phys_to_machine(void);
41
42void xen_init_irq_ops(void);
43void xen_setup_timer(int cpu);
44void xen_teardown_timer(int cpu);
45cycle_t xen_clocksource_read(void);
46void xen_setup_cpu_clockevents(void);
47unsigned long xen_tsc_khz(void);
48void __init xen_time_init(void);
49unsigned long xen_get_wallclock(void);
50int xen_set_wallclock(unsigned long time);
51unsigned long long xen_sched_clock(void);
52
53irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
54
55bool xen_vcpu_stolen(int vcpu);
56
57void xen_setup_vcpu_info_placement(void);
58
59#ifdef CONFIG_SMP
60void xen_smp_init(void);
61
62extern cpumask_var_t xen_cpu_initialized_map;
63#else
64static inline void xen_smp_init(void) {}
65#endif
66
67#ifdef CONFIG_PARAVIRT_SPINLOCKS
68void __init xen_init_spinlocks(void);
69__cpuinit void xen_init_lock_cpu(int cpu);
70void xen_uninit_lock_cpu(int cpu);
71#else
72static inline void xen_init_spinlocks(void)
73{
74}
75static inline void xen_init_lock_cpu(int cpu)
76{
77}
78static inline void xen_uninit_lock_cpu(int cpu)
79{
80}
81#endif
82
83
84
85#define DECL_ASM(ret, name, ...) \
86 ret name(__VA_ARGS__); \
87 extern char name##_end[]; \
88 extern char name##_reloc[] \
89
90DECL_ASM(void, xen_irq_enable_direct, void);
91DECL_ASM(void, xen_irq_disable_direct, void);
92DECL_ASM(unsigned long, xen_save_fl_direct, void);
93DECL_ASM(void, xen_restore_fl_direct, unsigned long);
94
95
96void xen_iret(void);
97void xen_sysexit(void);
98void xen_sysret32(void);
99void xen_sysret64(void);
100void xen_adjust_exception_frame(void);
101
102#endif
103