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
  10 extern int nb_numa_nodes;   /* Number of NUMA nodes */
  11 extern bool have_numa_distance;
  12
  13 struct numa_addr_range {
  14     ram_addr_t mem_start;
  15     ram_addr_t mem_end;
  16     QLIST_ENTRY(numa_addr_range) entry;
  17 };
  18
  19 struct 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
  27 struct NumaNodeMem {
  28     uint64_t node_mem;
  29     uint64_t node_plugged_mem;
  30 };
  31
  32 extern NodeInfo numa_info[MAX_NODES];
  33 void parse_numa_opts(MachineState *ms);
  34 void query_numa_node_mem(NumaNodeMem node_mem[]);
  35 extern QemuOptsList qemu_numa_opts;
  36 void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  37 void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  38 uint32_t numa_get_node(ram_addr_t addr, Error **errp);
  39 void numa_legacy_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
  40                                  int nb_nodes, ram_addr_t size);
  41 void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
  42                                   int nb_nodes, ram_addr_t size);
  43 void numa_cpu_pre_plug(const CPUArchId *slot, DeviceState *dev, Error **errp);
  44 #endif