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EDITING: uv.h

/* 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 */

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 bios.h	H	6.5 KB	2024-03-10 20:38	EDIT
📄 uv.h	H	1.1 KB	2024-03-10 20:38	EDIT
📄 uv_geo.h	H	2.3 KB	2024-03-10 20:38	EDIT
📄 uv_hub.h	H	23 KB	2024-03-10 20:38	EDIT
📄 uv_irq.h	H	907 B	2024-03-10 20:38	EDIT
📄 uv_mmrs.h	H	178.1 KB	2024-03-10 20:38	EDIT