1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_UV_UV_H 3 #define _ASM_X86_UV_UV_H 4 5 #include <asm/tlbflush.h> 6 7 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; 8 9 struct cpumask; 10 struct mm_struct; 11 12 #ifdef CONFIG_X86_UV 13 #include <linux/efi.h> 14 15 extern enum uv_system_type get_uv_system_type(void); 16 static inline bool is_early_uv_system(void) 17 { 18 return !((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || !efi.uv_systab); 19 } 20 extern int is_uv_system(void); 21 extern int is_uv_hubless(void); 22 extern void uv_cpu_init(void); 23 extern void uv_nmi_init(void); 24 extern void uv_system_init(void); 25 extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, 26 const struct flush_tlb_info *info); 27 28 #else /* X86_UV */ 29 30 static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; } 31 static inline bool is_early_uv_system(void) { return 0; } 32 static inline int is_uv_system(void) { return 0; } 33 static inline int is_uv_hubless(void) { return 0; } 34 static inline void uv_cpu_init(void) { } 35 static inline void uv_system_init(void) { } 36 static inline const struct cpumask * 37 uv_flush_tlb_others(const struct cpumask *cpumask, 38 const struct flush_tlb_info *info) 39 { return cpumask; } 40 41 #endif /* X86_UV */ 42 43 #endif /* _ASM_X86_UV_UV_H */ 44