1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_UV_UV_H 3 #define _ASM_X86_UV_UV_H 4 5 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC}; 6 7 #ifdef CONFIG_X86_UV 8 #include <linux/efi.h> 9 10 #define UV_PROC_NODE "sgi_uv" 11 uv(int uvtype)12static inline int uv(int uvtype) 13 { 14 /* uv(0) is "any" */ 15 if (uvtype >= 0 && uvtype <= 30) 16 return 1 << uvtype; 17 return 1; 18 } 19 20 extern unsigned long uv_systab_phys; 21 22 extern enum uv_system_type get_uv_system_type(void); is_early_uv_system(void)23static inline bool is_early_uv_system(void) 24 { 25 return uv_systab_phys && uv_systab_phys != EFI_INVALID_TABLE_ADDR; 26 } 27 extern int is_uv_system(void); 28 extern int is_uv_hubbed(int uvtype); 29 extern void uv_cpu_init(void); 30 extern void uv_nmi_init(void); 31 extern void uv_system_init(void); 32 33 #else /* !X86_UV */ 34 get_uv_system_type(void)35static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; } is_early_uv_system(void)36static inline bool is_early_uv_system(void) { return 0; } is_uv_system(void)37static inline int is_uv_system(void) { return 0; } is_uv_hubbed(int uv)38static inline int is_uv_hubbed(int uv) { return 0; } uv_cpu_init(void)39static inline void uv_cpu_init(void) { } uv_system_init(void)40static inline void uv_system_init(void) { } 41 42 #endif /* X86_UV */ 43 44 #endif /* _ASM_X86_UV_UV_H */ 45