From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/x86/xen/xen-ops.h | 145 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 145 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 000000000..9e195c683 --- /dev/null +++ b/arch/x86/xen/xen-ops.h @@ -0,0 +1,145 @@ +#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 xen_mm_pin_all(void); +void xen_mm_unpin_all(void); + +unsigned long __ref xen_chk_extra_mem(unsigned long pfn); +void __init xen_inv_extra_mem(void); +void __init xen_remap_memory(void); +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); +cycle_t xen_clocksource_read(void); +void xen_setup_cpu_clockevents(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); + +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); +void __init xen_init_apic(void); +#else +static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, + size_t size) +{ +} +static inline void __init xen_init_apic(void) +{ +} +#endif + +#ifdef CONFIG_XEN_EFI +extern void xen_efi_init(void); +#else +static inline void __init xen_efi_init(void) +{ +} +#endif + +/* Declare an asm function, along with symbols needed to make it + inlineable */ +#define DECL_ASM(ret, name, ...) \ + __visible ret name(__VA_ARGS__); \ + extern char name##_end[] __visible; \ + extern char name##_reloc[] __visible + +DECL_ASM(void, xen_irq_enable_direct, void); +DECL_ASM(void, xen_irq_disable_direct, void); +DECL_ASM(unsigned long, xen_save_fl_direct, void); +DECL_ASM(void, xen_restore_fl_direct, unsigned long); + +/* These are not functions, and cannot be called normally */ +__visible void xen_iret(void); +__visible void xen_sysexit(void); +__visible void xen_sysret32(void); +__visible void xen_sysret64(void); +__visible void xen_adjust_exception_frame(void); + +extern int xen_panic_handler_init(void); + +void xen_pvh_secondary_vcpu_init(int cpu); +#endif /* XEN_OPS_H */ -- cgit v1.2.3-54-g00ecf