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