blob: 648eb23fe7f0b4db3b43deeb3b9b8d30e6cb9ba3 [file] [log] [blame]
/* 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 */