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
7enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
8
9struct cpumask;
10struct mm_struct;
11
12#ifdef CONFIG_X86_UV
13#include <linux/efi.h>
14
15extern enum uv_system_type get_uv_system_type(void);
16static inline bool is_early_uv_system(void)
17{
18 return !((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || !efi.uv_systab);
19}
20extern int is_uv_system(void);
21extern int is_uv_hubless(void);
22extern void uv_cpu_init(void);
23extern void uv_nmi_init(void);
24extern void uv_system_init(void);
25extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
26 const struct flush_tlb_info *info);
27
28#else /* X86_UV */
29
30static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
31static inline bool is_early_uv_system(void) { return 0; }
32static inline int is_uv_system(void) { return 0; }
33static inline int is_uv_hubless(void) { return 0; }
34static inline void uv_cpu_init(void) { }
35static inline void uv_system_init(void) { }
36static inline const struct cpumask *
37uv_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