/* SPDX-License-Identifier: GPL-2.0 */ #ifndef XEN_OPS_H #define XEN_OPS_H #include #include #include #include /* These are code, but not functions. Defined in entry.S */ extern const char xen_hypervisor_callback[]; extern const char xen_failsafe_callback[]; void xen_sysenter_target(void); #ifdef CONFIG_X86_64 void xen_syscall_target(void); void xen_syscall32_target(void); #endif extern void *xen_initial_gdt; struct trap_info; void xen_copy_trap_info(struct trap_info *traps); DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info); DECLARE_PER_CPU(unsigned long, xen_cr3); DECLARE_PER_CPU(unsigned long, xen_current_cr3); extern struct start_info *xen_start_info; extern struct shared_info xen_dummy_shared_info; extern struct shared_info *HYPERVISOR_shared_info; void xen_setup_mfn_list_list(void); void xen_setup_shared_info(void); void xen_build_mfn_list_list(void); void xen_setup_machphys_mapping(void); void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn); void xen_reserve_top(void); void __init xen_reserve_special_pages(void); void __init xen_pt_check_e820(void); void xen_mm_pin_all(void); void xen_mm_unpin_all(void); #ifdef CONFIG_X86_64 void __init xen_relocate_p2m(void); #endif bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size); unsigned long __ref xen_chk_extra_mem(unsigned long pfn); void __init xen_inv_extra_mem(void); void __init xen_remap_memory(void); phys_addr_t __init xen_find_free_area(phys_addr_t size); char * __init xen_memory_setup(void); char * xen_auto_xlated_memory_setup(void); void __init xen_arch_setup(void); void xen_enable_sysenter(void); void xen_enable_syscall(void); void xen_vcpu_restore(void); void xen_callback_vector(void); void xen_hvm_init_shared_info(void); void xen_unplug_emulated_devices(void); void __init xen_build_dynamic_phys_to_machine(void); void __init xen_vmalloc_p2m_tree(void); void xen_init_irq_ops(void); void xen_setup_timer(int cpu); void xen_setup_runstate_info(int cpu); void xen_teardown_timer(int cpu); u64 xen_clocksource_read(void); void xen_setup_cpu_clockevents(void); void xen_save_time_memory_area(void); void xen_restore_time_memory_area(void); void __init xen_init_time_ops(void); void __init xen_hvm_init_time_ops(void); irqreturn_t xen_debug_interrupt(int irq, void *dev_id); bool xen_vcpu_stolen(int vcpu); extern int xen_have_vcpu_info_placement; int xen_vcpu_setup(int cpu); void xen_vcpu_info_reset(int cpu); void xen_setup_vcpu_info_placement(void); #ifdef CONFIG_SMP void xen_smp_init(void); void __init xen_hvm_smp_init(void); extern cpumask_var_t xen_cpu_initialized_map; #else static inline void xen_smp_init(void) {} static inline void xen_hvm_smp_init(void) {} #endif #ifdef CONFIG_PARAVIRT_SPINLOCKS void __init xen_init_spinlocks(void); void xen_init_lock_cpu(int cpu); void xen_uninit_lock_cpu(int cpu); #else static inline void xen_init_spinlocks(void) { } static inline void xen_init_lock_cpu(int cpu) { } static inline void xen_uninit_lock_cpu(int cpu) { } #endif struct dom0_vga_console_info; #ifdef CONFIG_XEN_DOM0 void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size); #else static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size) { } #endif void __init xen_init_apic(void); #ifdef CONFIG_XEN_EFI extern void xen_efi_init(void); #else static inline void __init xen_efi_init(void) { } #endif __visible void xen_irq_enable_direct(void); __visible void xen_irq_disable_direct(void); __visible unsigned long xen_save_fl_direct(void); __visible void xen_restore_fl_direct(unsigned long); /* These are not functions, and cannot be called normally */ __visible void xen_iret(void); __visible void xen_sysret32(void); __visible void xen_sysret64(void); extern int xen_panic_handler_init(void); int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int), int (*cpu_dead_cb)(unsigned int)); void xen_pin_vcpu(int cpu); void xen_emergency_restart(void); #ifdef CONFIG_XEN_PV void xen_pv_pre_suspend(void); void xen_pv_post_suspend(int suspend_cancelled); #else static inline void xen_pv_pre_suspend(void) {} static inline void xen_pv_post_suspend(int suspend_cancelled) {} #endif #ifdef CONFIG_XEN_PVHVM void xen_hvm_post_suspend(int suspend_cancelled); #else static inline void xen_hvm_post_suspend(int suspend_cancelled) {} #endif #endif /* XEN_OPS_H */