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