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46 lines
970 B
46 lines
970 B
/* 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/kernel.h> |
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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 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 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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