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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 Fitzhardinge38341432009-02-02 13:55:31 -080013extern void *xen_initial_gdt;
14
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010015struct trap_info;
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070016void xen_copy_trap_info(struct trap_info *traps);
17
Jeremy Fitzhardinge319f3ba2009-01-28 14:35:01 -080018DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070019DECLARE_PER_CPU(unsigned long, xen_cr3);
Jeremy Fitzhardinge9f799912007-10-16 11:51:30 -070020DECLARE_PER_CPU(unsigned long, xen_current_cr3);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070021
22extern struct start_info *xen_start_info;
Jeremy Fitzhardingea0d695c2008-05-26 23:31:21 +010023extern struct shared_info xen_dummy_shared_info;
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070024extern struct shared_info *HYPERVISOR_shared_info;
25
Jeremy Fitzhardinged5edbc12008-05-26 23:31:22 +010026void xen_setup_mfn_list_list(void);
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010027void xen_setup_shared_info(void);
Ian Campbellfa24ba62009-11-21 11:32:49 +000028void xen_build_mfn_list_list(void);
Jeremy Fitzhardinge319f3ba2009-01-28 14:35:01 -080029void xen_setup_machphys_mapping(void);
30pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
31void xen_ident_map_ISA(void);
32void xen_reserve_top(void);
33
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070034char * __init xen_memory_setup(void);
35void __init xen_arch_setup(void);
36void __init xen_init_IRQ(void);
Jeremy Fitzhardingee2a81ba2008-03-17 16:37:17 -070037void xen_enable_sysenter(void);
Jeremy Fitzhardinge6fcac6d2008-07-08 15:07:14 -070038void xen_enable_syscall(void);
Jeremy Fitzhardinge9c7a7942008-05-31 01:33:02 +010039void xen_vcpu_restore(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070040
Sheng Yang38e20b02010-05-14 12:40:51 +010041void xen_callback_vector(void);
Stefano Stabellini016b6f52010-05-14 12:45:07 +010042void xen_hvm_init_shared_info(void);
Stefano Stabellinic1c54132010-05-14 12:44:30 +010043void __init xen_unplug_emulated_devices(void);
Sheng Yang38e20b02010-05-14 12:40:51 +010044
Jeremy Fitzhardinged451bb72008-05-26 23:31:18 +010045void __init xen_build_dynamic_phys_to_machine(void);
46
Jeremy Fitzhardinge0d1edf42008-07-28 11:53:57 -070047void xen_init_irq_ops(void);
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070048void xen_setup_timer(int cpu);
Ian Campbellbe012922009-11-21 08:35:55 +080049void xen_setup_runstate_info(int cpu);
Alex Nixond68d82a2008-08-22 11:52:15 +010050void xen_teardown_timer(int cpu);
Jeremy Fitzhardingeee7686b2008-08-21 13:17:56 -070051cycle_t xen_clocksource_read(void);
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070052void xen_setup_cpu_clockevents(void);
Stefano Stabellini409771d2010-05-14 12:48:19 +010053void __init xen_init_time_ops(void);
54void __init xen_hvm_init_time_ops(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070055
Jeremy Fitzhardingeee523ca2008-03-17 16:37:18 -070056irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
57
Jeremy Fitzhardingef0d73392007-10-16 11:51:30 -070058bool xen_vcpu_stolen(int vcpu);
59
Al Viro37af46e2008-11-22 17:37:54 +000060void xen_setup_vcpu_info_placement(void);
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -070061
Jeremy Fitzhardingea9e70622008-07-08 15:06:41 -070062#ifdef CONFIG_SMP
63void xen_smp_init(void);
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070064
Mike Travisb78936e2008-12-16 17:33:57 -080065extern cpumask_var_t xen_cpu_initialized_map;
Jeremy Fitzhardingea9e70622008-07-08 15:06:41 -070066#else
67static inline void xen_smp_init(void) {}
68#endif
Jeremy Fitzhardinge0e913982008-05-26 23:31:27 +010069
Jeremy Fitzhardingeb4ecc122009-05-13 17:16:55 -070070#ifdef CONFIG_PARAVIRT_SPINLOCKS
71void __init xen_init_spinlocks(void);
72__cpuinit void xen_init_lock_cpu(int cpu);
73void xen_uninit_lock_cpu(int cpu);
74#else
75static inline void xen_init_spinlocks(void)
76{
77}
78static inline void xen_init_lock_cpu(int cpu)
79{
80}
81static inline void xen_uninit_lock_cpu(int cpu)
82{
83}
84#endif
Jeremy Fitzhardinge64876732007-07-17 18:37:07 -070085
86/* Declare an asm function, along with symbols needed to make it
87 inlineable */
88#define DECL_ASM(ret, name, ...) \
89 ret name(__VA_ARGS__); \
90 extern char name##_end[]; \
91 extern char name##_reloc[] \
92
93DECL_ASM(void, xen_irq_enable_direct, void);
94DECL_ASM(void, xen_irq_disable_direct, void);
95DECL_ASM(unsigned long, xen_save_fl_direct, void);
96DECL_ASM(void, xen_restore_fl_direct, unsigned long);
97
Jeremy Fitzhardinge997409d2008-07-08 15:07:00 -070098/* These are not functions, and cannot be called normally */
Jeremy Fitzhardinge81e103f2008-04-17 17:40:51 +020099void xen_iret(void);
Jeremy Fitzhardingee2a81ba2008-03-17 16:37:17 -0700100void xen_sysexit(void);
Jeremy Fitzhardinge6fcac6d2008-07-08 15:07:14 -0700101void xen_sysret32(void);
102void xen_sysret64(void);
Jeremy Fitzhardinge997409d2008-07-08 15:07:00 -0700103void xen_adjust_exception_frame(void);
Jeremy Fitzhardingee2a81ba2008-03-17 16:37:17 -0700104
Donald Dutilef09f6d12010-07-15 14:56:49 -0400105extern int xen_panic_handler_init(void);
106
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -0700107#endif /* XEN_OPS_H */