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- /* 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 */
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