linux/arch/x86/kernel/cpu/topology_ext.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/cpu.h>

#include <asm/apic.h>
#include <asm/memtype.h>
#include <asm/processor.h>

#include "cpu.h"

enum topo_types { … };

/*
 * Use a lookup table for the case that there are future types > 6 which
 * describe an intermediate domain level which does not exist today.
 */
static const unsigned int topo_domain_map_0b_1f[MAX_TYPE_1F] = …;

static const unsigned int topo_domain_map_80000026[MAX_TYPE_80000026] = …;

static inline bool topo_subleaf(struct topo_scan *tscan, u32 leaf, u32 subleaf,
				unsigned int *last_dom)
{ … }

static bool parse_topology_leaf(struct topo_scan *tscan, u32 leaf)
{ … }

bool cpu_parse_topology_ext(struct topo_scan *tscan)
{ … }