diff options
Diffstat (limited to 'arch/x86/include/asm/uv/uv.h')
| -rw-r--r-- | arch/x86/include/asm/uv/uv.h | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h index 062921ef34e9..648eb23fe7f0 100644 --- a/arch/x86/include/asm/uv/uv.h +++ b/arch/x86/include/asm/uv/uv.h @@ -1,34 +1,43 @@ +/* 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, UV_NON_UNIQUE_APIC}; - -struct cpumask; -struct mm_struct; +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); -extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, - struct mm_struct *mm, - unsigned long start, - unsigned long end, - unsigned int cpu); -#else /* X86_UV */ +#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) { } -static inline const struct cpumask * -uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm, - unsigned long start, unsigned long end, unsigned int cpu) -{ return cpumask; } #endif /* X86_UV */ |