1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/init.h>
6 #include <linux/clocksource.h>
7 #include <linux/irqreturn.h>
8 #include <xen/xen-ops.h>
10 /* These are code, but not functions. Defined in entry.S */
11 extern const char xen_hypervisor_callback[];
12 extern const char xen_failsafe_callback[];
14 void xen_sysenter_target(void);
16 void xen_syscall_target(void);
17 void xen_syscall32_target(void);
20 extern void *xen_initial_gdt;
23 void xen_copy_trap_info(struct trap_info *traps);
25 DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);
26 DECLARE_PER_CPU(unsigned long, xen_cr3);
27 DECLARE_PER_CPU(unsigned long, xen_current_cr3);
29 extern struct start_info *xen_start_info;
30 extern struct shared_info xen_dummy_shared_info;
31 extern struct shared_info *HYPERVISOR_shared_info;
33 void xen_setup_mfn_list_list(void);
34 void xen_setup_shared_info(void);
35 void xen_build_mfn_list_list(void);
36 void xen_setup_machphys_mapping(void);
37 void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
38 void xen_reserve_top(void);
39 void __init xen_reserve_special_pages(void);
40 void __init xen_pt_check_e820(void);
42 void xen_mm_pin_all(void);
43 void xen_mm_unpin_all(void);
45 void __init xen_relocate_p2m(void);
48 bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size);
49 unsigned long __ref xen_chk_extra_mem(unsigned long pfn);
50 void __init xen_inv_extra_mem(void);
51 void __init xen_remap_memory(void);
52 phys_addr_t __init xen_find_free_area(phys_addr_t size);
53 char * __init xen_memory_setup(void);
54 char * xen_auto_xlated_memory_setup(void);
55 void __init xen_arch_setup(void);
56 void xen_enable_sysenter(void);
57 void xen_enable_syscall(void);
58 void xen_vcpu_restore(void);
60 void xen_callback_vector(void);
61 void xen_hvm_init_shared_info(void);
62 void xen_unplug_emulated_devices(void);
64 void __init xen_build_dynamic_phys_to_machine(void);
65 void __init xen_vmalloc_p2m_tree(void);
67 void xen_init_irq_ops(void);
68 void xen_setup_timer(int cpu);
69 void xen_setup_runstate_info(int cpu);
70 void xen_teardown_timer(int cpu);
71 u64 xen_clocksource_read(void);
72 void xen_setup_cpu_clockevents(void);
73 void xen_save_time_memory_area(void);
74 void xen_restore_time_memory_area(void);
75 void __init xen_init_time_ops(void);
76 void __init xen_hvm_init_time_ops(void);
78 irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
80 bool xen_vcpu_stolen(int vcpu);
82 extern int xen_have_vcpu_info_placement;
84 int xen_vcpu_setup(int cpu);
85 void xen_vcpu_info_reset(int cpu);
86 void xen_setup_vcpu_info_placement(void);
89 void xen_smp_init(void);
90 void __init xen_hvm_smp_init(void);
92 extern cpumask_var_t xen_cpu_initialized_map;
94 static inline void xen_smp_init(void) {}
95 static inline void xen_hvm_smp_init(void) {}
98 #ifdef CONFIG_PARAVIRT_SPINLOCKS
99 void __init xen_init_spinlocks(void);
100 void xen_init_lock_cpu(int cpu);
101 void xen_uninit_lock_cpu(int cpu);
103 static inline void xen_init_spinlocks(void)
106 static inline void xen_init_lock_cpu(int cpu)
109 static inline void xen_uninit_lock_cpu(int cpu)
114 struct dom0_vga_console_info;
116 #ifdef CONFIG_XEN_DOM0
117 void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size);
119 static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
125 void __init xen_init_apic(void);
127 #ifdef CONFIG_XEN_EFI
128 extern void xen_efi_init(void);
130 static inline void __init xen_efi_init(void)
135 __visible void xen_irq_enable_direct(void);
136 __visible void xen_irq_disable_direct(void);
137 __visible unsigned long xen_save_fl_direct(void);
138 __visible void xen_restore_fl_direct(unsigned long);
140 /* These are not functions, and cannot be called normally */
141 __visible void xen_iret(void);
142 __visible void xen_sysret32(void);
143 __visible void xen_sysret64(void);
145 extern int xen_panic_handler_init(void);
147 int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int),
148 int (*cpu_dead_cb)(unsigned int));
150 void xen_pin_vcpu(int cpu);
152 void xen_emergency_restart(void);
154 void xen_pv_pre_suspend(void);
155 void xen_pv_post_suspend(int suspend_cancelled);
157 static inline void xen_pv_pre_suspend(void) {}
158 static inline void xen_pv_post_suspend(int suspend_cancelled) {}
161 #ifdef CONFIG_XEN_PVHVM
162 void xen_hvm_post_suspend(int suspend_cancelled);
164 static inline void xen_hvm_post_suspend(int suspend_cancelled) {}
167 #endif /* XEN_OPS_H */