xref: /openbmc/linux/arch/x86/include/asm/uv/uv.h (revision 293d5b43)
1 #ifndef _ASM_X86_UV_UV_H
2 #define _ASM_X86_UV_UV_H
3 
4 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
5 
6 struct cpumask;
7 struct mm_struct;
8 
9 #ifdef CONFIG_X86_UV
10 
11 extern enum uv_system_type get_uv_system_type(void);
12 extern int is_uv_system(void);
13 extern void uv_cpu_init(void);
14 extern void uv_nmi_init(void);
15 extern void uv_system_init(void);
16 extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
17 						 struct mm_struct *mm,
18 						 unsigned long start,
19 						 unsigned long end,
20 						 unsigned int cpu);
21 
22 #else	/* X86_UV */
23 
24 static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
25 static inline int is_uv_system(void)	{ return 0; }
26 static inline void uv_cpu_init(void)	{ }
27 static inline void uv_system_init(void)	{ }
28 static inline const struct cpumask *
29 uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
30 		    unsigned long start, unsigned long end, unsigned int cpu)
31 { return cpumask; }
32 
33 #endif	/* X86_UV */
34 
35 #endif	/* _ASM_X86_UV_UV_H */
36