| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_UV_UV_H |
| #define _ASM_X86_UV_UV_H |
| |
| enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC}; |
| |
| #ifdef CONFIG_X86_UV |
| #include <linux/efi.h> |
| |
| #define UV_PROC_NODE "sgi_uv" |
| |
| static inline int uv(int uvtype) |
| { |
| /* uv(0) is "any" */ |
| if (uvtype >= 0 && uvtype <= 30) |
| return 1 << uvtype; |
| return 1; |
| } |
| |
| extern unsigned long uv_systab_phys; |
| |
| extern enum uv_system_type get_uv_system_type(void); |
| static inline bool is_early_uv_system(void) |
| { |
| return uv_systab_phys && uv_systab_phys != EFI_INVALID_TABLE_ADDR; |
| } |
| extern int is_uv_system(void); |
| extern int is_uv_hubbed(int uvtype); |
| extern void uv_cpu_init(void); |
| extern void uv_nmi_init(void); |
| extern void uv_system_init(void); |
| |
| #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_hubbed(int uv) { return 0; } |
| static inline void uv_cpu_init(void) { } |
| static inline void uv_system_init(void) { } |
| |
| #endif /* X86_UV */ |
| |
| #endif /* _ASM_X86_UV_UV_H */ |