Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #ifndef XEN_OPS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #define XEN_OPS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <linux/clocksource.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/irqreturn.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <xen/xen-ops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) /* These are code, but not functions.  Defined in entry.S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) extern const char xen_failsafe_callback[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) void xen_sysenter_target(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #ifdef CONFIG_X86_64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) void xen_syscall_target(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) void xen_syscall32_target(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) extern void *xen_initial_gdt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) struct trap_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) void xen_copy_trap_info(struct trap_info *traps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) DECLARE_PER_CPU(struct vcpu_info, xen_vcpu_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) DECLARE_PER_CPU(unsigned long, xen_cr3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) DECLARE_PER_CPU(unsigned long, xen_current_cr3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) extern struct start_info *xen_start_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) extern struct shared_info xen_dummy_shared_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) extern struct shared_info *HYPERVISOR_shared_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) extern bool xen_fifo_events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) void xen_setup_mfn_list_list(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) void xen_build_mfn_list_list(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) void xen_setup_machphys_mapping(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) void __init xen_reserve_special_pages(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) void __init xen_pt_check_e820(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) void xen_mm_pin_all(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) void xen_mm_unpin_all(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #ifdef CONFIG_X86_64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) void __init xen_relocate_p2m(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) unsigned long __ref xen_chk_extra_mem(unsigned long pfn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) void __init xen_inv_extra_mem(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) void __init xen_remap_memory(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) phys_addr_t __init xen_find_free_area(phys_addr_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) char * __init xen_memory_setup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) void __init xen_arch_setup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) void xen_enable_sysenter(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) void xen_enable_syscall(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) void xen_vcpu_restore(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) void xen_hvm_init_shared_info(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) void xen_unplug_emulated_devices(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) void __init xen_build_dynamic_phys_to_machine(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) void __init xen_vmalloc_p2m_tree(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) void xen_init_irq_ops(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) void xen_setup_timer(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) void xen_setup_runstate_info(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) void xen_teardown_timer(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) void xen_setup_cpu_clockevents(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) void xen_save_time_memory_area(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) void xen_restore_time_memory_area(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) void xen_init_time_ops(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) void xen_hvm_init_time_ops(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) bool xen_vcpu_stolen(int vcpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) extern int xen_have_vcpu_info_placement;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) int xen_vcpu_setup(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) void xen_vcpu_info_reset(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) void xen_setup_vcpu_info_placement(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) #ifdef CONFIG_SMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) void xen_smp_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) void __init xen_hvm_smp_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) extern cpumask_var_t xen_cpu_initialized_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) static inline void xen_smp_init(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static inline void xen_hvm_smp_init(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) #ifdef CONFIG_PARAVIRT_SPINLOCKS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) void __init xen_init_spinlocks(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) void xen_init_lock_cpu(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) void xen_uninit_lock_cpu(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) static inline void xen_init_spinlocks(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static inline void xen_init_lock_cpu(int cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static inline void xen_uninit_lock_cpu(int cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct dom0_vga_console_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #ifdef CONFIG_XEN_DOM0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 				       size_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) void __init xen_init_apic(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #ifdef CONFIG_XEN_EFI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) extern void xen_efi_init(struct boot_params *boot_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static inline void __init xen_efi_init(struct boot_params *boot_params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) __visible void xen_irq_enable_direct(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) __visible void xen_irq_disable_direct(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) __visible unsigned long xen_save_fl_direct(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) __visible void xen_restore_fl_direct(unsigned long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) __visible unsigned long xen_read_cr2(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) __visible unsigned long xen_read_cr2_direct(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) /* These are not functions, and cannot be called normally */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) __visible void xen_iret(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) __visible void xen_sysret32(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) __visible void xen_sysret64(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) extern int xen_panic_handler_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		    int (*cpu_dead_cb)(unsigned int));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) void xen_pin_vcpu(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) void xen_emergency_restart(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #ifdef CONFIG_XEN_PV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) void xen_pv_pre_suspend(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) void xen_pv_post_suspend(int suspend_cancelled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static inline void xen_pv_pre_suspend(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static inline void xen_pv_post_suspend(int suspend_cancelled) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #ifdef CONFIG_XEN_PVHVM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) void xen_hvm_post_suspend(int suspend_cancelled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static inline void xen_hvm_post_suspend(int suspend_cancelled) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #endif /* XEN_OPS_H */