59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __NUMA_MEMBLKS_H
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#define __NUMA_MEMBLKS_H
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#ifdef CONFIG_NUMA_MEMBLKS
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#include <linux/types.h>
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#define NR_NODE_MEMBLKS (MAX_NUMNODES * 2)
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void __init numa_set_distance(int from, int to, int distance);
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void __init numa_reset_distance(void);
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struct numa_memblk {
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u64 start;
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u64 end;
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int nid;
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};
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struct numa_meminfo {
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int nr_blks;
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struct numa_memblk blk[NR_NODE_MEMBLKS];
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};
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int __init numa_add_memblk(int nodeid, u64 start, u64 end);
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void __init numa_remove_memblk_from(int idx, struct numa_meminfo *mi);
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int __init numa_cleanup_meminfo(struct numa_meminfo *mi);
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int __init numa_memblks_init(int (*init_func)(void),
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bool memblock_force_top_down);
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#ifdef CONFIG_NUMA_EMU
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int numa_emu_cmdline(char *str);
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void __init numa_emu_update_cpu_to_node(int *emu_nid_to_phys,
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unsigned int nr_emu_nids);
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u64 __init numa_emu_dma_end(void);
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void __init numa_emulation(struct numa_meminfo *numa_meminfo,
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int numa_dist_cnt);
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#else
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static inline void numa_emulation(struct numa_meminfo *numa_meminfo,
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int numa_dist_cnt)
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{ }
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static inline int numa_emu_cmdline(char *str)
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{
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return -EINVAL;
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}
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#endif /* CONFIG_NUMA_EMU */
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#ifdef CONFIG_NUMA_KEEP_MEMINFO
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extern int phys_to_target_node(u64 start);
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#define phys_to_target_node phys_to_target_node
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extern int memory_add_physaddr_to_nid(u64 start);
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#define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
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#endif /* CONFIG_NUMA_KEEP_MEMINFO */
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#endif /* CONFIG_NUMA_MEMBLKS */
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#endif /* __NUMA_MEMBLKS_H */
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