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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef XEN_OPS_H #define XEN_OPS_H #include <linux/init.h> #include <linux/clocksource.h> #include <linux/irqreturn.h> #include <xen/xen-ops.h> /* 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_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); 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); void xen_setup_cpu_clockevents(void); void xen_save_time_memory_area(void); void xen_restore_time_memory_area(void); void xen_init_time_ops(void); void 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 */ |