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Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -07001#ifndef XEN_OPS_H
2#define XEN_OPS_H
3
4#include <linux/init.h>
Jeremy Fitzhardingeee7686b2008-08-21 13:17:56 -07005#include <linux/clocksource.h>
Jeremy Fitzhardingeee523ca2008-03-17 16:37:18 -07006#include <linux/irqreturn.h>
Isaku Yamahatae04d0d02008-04-02 10:53:55 -07007#include <xen/xen-ops.h>
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -07008
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -07009/* These are code, but not functions. Defined in entry.S */
10extern const char xen_hypervisor_callback[];
11extern const char xen_failsafe_callback[];
12
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010013struct trap_info;
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070014void xen_copy_trap_info(struct trap_info *traps);
15
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070016DECLARE_PER_CPU(unsigned long, xen_cr3);
Jeremy Fitzhardinge9f799912007-10-16 11:51:30 -070017DECLARE_PER_CPU(unsigned long, xen_current_cr3);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070018
19extern struct start_info *xen_start_info;
Jeremy Fitzhardingea0d695c2008-05-26 23:31:21 +010020extern struct shared_info xen_dummy_shared_info;
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070021extern struct shared_info *HYPERVISOR_shared_info;
22
Jeremy Fitzhardinged5edbc12008-05-26 23:31:22 +010023void xen_setup_mfn_list_list(void);
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010024void xen_setup_shared_info(void);
Jeremy Fitzhardinged5edbc12008-05-26 23:31:22 +010025
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070026char * __init xen_memory_setup(void);
27void __init xen_arch_setup(void);
28void __init xen_init_IRQ(void);
Jeremy Fitzhardingee2a81ba2008-03-17 16:37:17 -070029void xen_enable_sysenter(void);
Jeremy Fitzhardinge6fcac6d2008-07-08 15:07:14 -070030void xen_enable_syscall(void);
Jeremy Fitzhardinge9c7a7942008-05-31 01:33:02 +010031void xen_vcpu_restore(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070032
Jeremy Fitzhardinged451bb72008-05-26 23:31:18 +010033void __init xen_build_dynamic_phys_to_machine(void);
34
Jeremy Fitzhardinge0d1edf42008-07-28 11:53:57 -070035void xen_init_irq_ops(void);
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070036void xen_setup_timer(int cpu);
Alex Nixond68d82a2008-08-22 11:52:15 +010037void xen_teardown_timer(int cpu);
Jeremy Fitzhardingeee7686b2008-08-21 13:17:56 -070038cycle_t xen_clocksource_read(void);
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070039void xen_setup_cpu_clockevents(void);
Alok Katariae93ef942008-07-01 11:43:36 -070040unsigned long xen_tsc_khz(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070041void __init xen_time_init(void);
42unsigned long xen_get_wallclock(void);
43int xen_set_wallclock(unsigned long time);
Jeremy Fitzhardingeab550282007-07-17 18:37:05 -070044unsigned long long xen_sched_clock(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070045
Jeremy Fitzhardingeee523ca2008-03-17 16:37:18 -070046irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
47
Jeremy Fitzhardingef0d73392007-10-16 11:51:30 -070048bool xen_vcpu_stolen(int vcpu);
49
Jeremy Fitzhardingef4f97b32007-07-17 18:37:05 -070050void xen_mark_init_mm_pinned(void);
51
Al Viro37af46e2008-11-22 17:37:54 +000052void xen_setup_vcpu_info_placement(void);
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070053
Jeremy Fitzhardingea9e70622008-07-08 15:06:41 -070054#ifdef CONFIG_SMP
55void xen_smp_init(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070056
Jeremy Fitzhardinged5de8842008-07-23 13:28:58 -070057void __init xen_init_spinlocks(void);
58__cpuinit void xen_init_lock_cpu(int cpu);
Alex Nixond68d82a2008-08-22 11:52:15 +010059void xen_uninit_lock_cpu(int cpu);
Jeremy Fitzhardinged5de8842008-07-23 13:28:58 -070060
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010061extern cpumask_t xen_cpu_initialized_map;
Jeremy Fitzhardingea9e70622008-07-08 15:06:41 -070062#else
63static inline void xen_smp_init(void) {}
64#endif
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010065
Jeremy Fitzhardinge64876732007-07-17 18:37:07 -070066
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
74DECL_ASM(void, xen_irq_enable_direct, void);
75DECL_ASM(void, xen_irq_disable_direct, void);
76DECL_ASM(unsigned long, xen_save_fl_direct, void);
77DECL_ASM(void, xen_restore_fl_direct, unsigned long);
78
Jeremy Fitzhardinge997409d2008-07-08 15:07:00 -070079/* These are not functions, and cannot be called normally */
Jeremy Fitzhardinge81e103f2008-04-17 17:40:51 +020080void xen_iret(void);
Jeremy Fitzhardingee2a81ba2008-03-17 16:37:17 -070081void xen_sysexit(void);
Jeremy Fitzhardinge6fcac6d2008-07-08 15:07:14 -070082void xen_sysret32(void);
83void xen_sysret64(void);
Jeremy Fitzhardinge997409d2008-07-08 15:07:00 -070084void xen_adjust_exception_frame(void);
Jeremy Fitzhardingee2a81ba2008-03-17 16:37:17 -070085
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070086#endif /* XEN_OPS_H */