xref: /linux/arch/x86/include/asm/uv/uv.h (revision b2d0f5d5dc53532e6f07bc546a476a55ebdfe0f3)
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 
14 extern enum uv_system_type get_uv_system_type(void);
15 extern int is_uv_system(void);
16 extern int is_uv_hubless(void);
17 extern void uv_cpu_init(void);
18 extern void uv_nmi_init(void);
19 extern void uv_system_init(void);
20 extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
21 						 const struct flush_tlb_info *info);
22 
23 #else	/* X86_UV */
24 
25 static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
26 static inline int is_uv_system(void)	{ return 0; }
27 static inline int is_uv_hubless(void)	{ return 0; }
28 static inline void uv_cpu_init(void)	{ }
29 static inline void uv_system_init(void)	{ }
30 static inline const struct cpumask *
31 uv_flush_tlb_others(const struct cpumask *cpumask,
32 		    const struct flush_tlb_info *info)
33 { return cpumask; }
34 
35 #endif	/* X86_UV */
36 
37 #endif	/* _ASM_X86_UV_UV_H */
38