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