| 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 | |
| 12 | static 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); |
| 23 | static 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 | |
| 35 | static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; } |
| 36 | static inline bool is_early_uv_system(void) { return 0; } |
| 37 | static inline int is_uv_system(void) { return 0; } |
| 38 | static inline int is_uv_hubbed(int uv) { return 0; } |
| 39 | static inline void uv_cpu_init(void) { } |
| 40 | static inline void uv_system_init(void) { } |
| 41 | |
| 42 | #endif /* X86_UV */ |
| 43 | |
| 44 | #endif /* _ASM_X86_UV_UV_H */ |
| 45 |