LXR qemu/include/sysemu/numa.h

   1#ifndef SYSEMU_NUMA_H
   2#define SYSEMU_NUMA_H
   3
   4#include "qemu/bitmap.h"
   5#include "qemu/option.h"
   6#include "sysemu/sysemu.h"
   7#include "sysemu/hostmem.h"
   8#include "hw/boards.h"
   9
  10extern int nb_numa_nodes;   /* Number of NUMA nodes */
  11extern bool have_numa_distance;
  12
  13struct numa_addr_range {
  14    ram_addr_t mem_start;
  15    ram_addr_t mem_end;
  16    QLIST_ENTRY(numa_addr_range) entry;
  17};
  18
  19struct node_info {
  20    uint64_t node_mem;
  21    struct HostMemoryBackend *node_memdev;
  22    bool present;
  23    QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
  24    uint8_t distance[MAX_NODES];
  25};
  26
  27extern NodeInfo numa_info[MAX_NODES];
  28void parse_numa_opts(MachineState *ms);
  29void query_numa_node_mem(uint64_t node_mem[]);
  30extern QemuOptsList qemu_numa_opts;
  31void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  32void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  33uint32_t numa_get_node(ram_addr_t addr, Error **errp);
  34void numa_legacy_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
  35                                 int nb_nodes, ram_addr_t size);
  36void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
  37                                  int nb_nodes, ram_addr_t size);
  38void numa_cpu_pre_plug(const CPUArchId *slot, DeviceState *dev, Error **errp);
  39#endif
  40