From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/x86/xen/xen-ops.h | 166 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 arch/x86/xen/xen-ops.h (limited to 'arch/x86/xen/xen-ops.h') diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h new file mode 100644 index 0000000000..a87ab36889 --- /dev/null +++ b/arch/x86/xen/xen-ops.h @@ -0,0 +1,166 @@ +/* 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_failsafe_callback[]; + +void xen_entry_SYSENTER_compat(void); +#ifdef CONFIG_X86_64 +void xen_entry_SYSCALL_64(void); +void xen_entry_SYSCALL_compat(void); +#endif + +extern void *xen_initial_gdt; + +struct trap_info; +void xen_copy_trap_info(struct trap_info *traps); + +DECLARE_PER_CPU_ALIGNED(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; + +extern bool xen_fifo_events; + +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 __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_banner(void); +void xen_enable_sysenter(void); +void xen_enable_syscall(void); +void xen_vcpu_restore(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); + +bool xen_vcpu_stolen(int vcpu); + +void 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, + struct screen_info *); +#else +static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, + size_t size, struct screen_info *si) +{ +} +#endif + +void xen_add_preferred_consoles(void); + +void __init xen_init_apic(void); + +#ifdef CONFIG_XEN_EFI +extern void xen_efi_init(struct boot_params *boot_params); +#else +static inline void __init xen_efi_init(struct boot_params *boot_params) +{ +} +#endif + +__visible void xen_irq_enable_direct(void); +__visible void xen_irq_disable_direct(void); +__visible unsigned long xen_save_fl_direct(void); + +__visible unsigned long xen_read_cr2(void); +__visible unsigned long xen_read_cr2_direct(void); + +/* These are not functions, and cannot be called normally */ +__visible void xen_iret(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); +void xen_force_evtchn_callback(void); + +#ifdef CONFIG_XEN_PV +void xen_pv_pre_suspend(void); +void xen_pv_post_suspend(int suspend_cancelled); +void xen_start_kernel(struct start_info *si); +#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 */ -- cgit v1.2.3