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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/acpi/acpi_numa.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef __ACPI_NUMA_H

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#define __ACPI_NUMA_H

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#ifdef CONFIG_ACPI_NUMA

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#include <linux/numa.h>

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/* Proximity bitmap length */

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#if MAX_NUMNODES > 256

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#define MAX_PXM_DOMAINS MAX_NUMNODES

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#else

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#define MAX_PXM_DOMAINS (256)	/* Old pxm spec is defined 8 bit */

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#endif

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extern int pxm_to_node(int);

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extern int node_to_pxm(int);

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extern int acpi_map_pxm_to_node(int);

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extern unsigned char acpi_srat_revision;

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extern void disable_srat(void);

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extern int fix_pxm_node_maps(int max_nid);

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extern void bad_srat(void);

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extern int srat_disabled(void);

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#else				/* CONFIG_ACPI_NUMA */

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static inline int fix_pxm_node_maps(int max_nid)

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{

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	return 0;

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}

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static inline void disable_srat(void)

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{

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}

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static inline int pxm_to_node(int pxm)

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{

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	return 0;

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}

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static inline int node_to_pxm(int node)

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{

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	return 0;

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}

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#endif				/* CONFIG_ACPI_NUMA */

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#ifdef CONFIG_ACPI_HMAT

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extern void disable_hmat(void);

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#else				/* CONFIG_ACPI_HMAT */

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static inline void disable_hmat(void)

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{

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}

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#endif				/* CONFIG_ACPI_HMAT */

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#endif				/* __ACPI_NUMA_H */

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