LXR linux/arch/s390/numa/numa

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * NUMA support for s390
   4 *
   5 * Define declarations used for communication between NUMA mode
   6 * implementations and NUMA core functionality.
   7 *
   8 * Copyright IBM Corp. 2015
   9 */
  10#ifndef __S390_NUMA_MODE_H
  11#define __S390_NUMA_MODE_H
  12
  13struct numa_mode {
  14        char *name;                             /* Name of mode */
  15        void (*setup)(void);                    /* Initizalize mode */
  16        void (*update_cpu_topology)(void);      /* Called by topology code */
  17        int (*__pfn_to_nid)(unsigned long pfn); /* PFN to node ID */
  18        unsigned long (*align)(void);           /* Minimum node alignment */
  19        int (*distance)(int a, int b);          /* Distance between two nodes */
  20};
  21
  22extern const struct numa_mode numa_mode_plain;
  23extern const struct numa_mode numa_mode_emu;
  24
  25#endif /* __S390_NUMA_MODE_H */
  26