45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* 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 */
|