| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_UV_UV_H |
| #define _ASM_X86_UV_UV_H |
| |
| #include <asm/tlbflush.h> |
| |
| enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; |
| |
| struct cpumask; |
| struct mm_struct; |
| |
| #ifdef CONFIG_X86_UV |
| #include <linux/efi.h> |
| |
| extern enum uv_system_type get_uv_system_type(void); |
| static inline bool is_early_uv_system(void) |
| { |
| return !((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || !efi.uv_systab); |
| } |
| extern int is_uv_system(void); |
| extern int is_uv_hubless(void); |
| extern void uv_cpu_init(void); |
| extern void uv_nmi_init(void); |
| extern void uv_system_init(void); |
| extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, |
| const struct flush_tlb_info *info); |
| |
| #else /* X86_UV */ |
| |
| static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; } |
| static inline bool is_early_uv_system(void) { return 0; } |
| static inline int is_uv_system(void) { return 0; } |
| static inline int is_uv_hubless(void) { return 0; } |
| static inline void uv_cpu_init(void) { } |
| static inline void uv_system_init(void) { } |
| static inline const struct cpumask * |
| uv_flush_tlb_others(const struct cpumask *cpumask, |
| const struct flush_tlb_info *info) |
| { return cpumask; } |
| |
| #endif /* X86_UV */ |
| |
| #endif /* _ASM_X86_UV_UV_H */ |