include/sysemu/numa.h

   1 #ifndef SYSEMU_NUMA_H
   2 #define SYSEMU_NUMA_H
   3
   4 #include <stdint.h>
   5 #include "qemu/bitmap.h"
   6 #include "qemu/option.h"
   7 #include "sysemu/sysemu.h"
   8 #include "sysemu/hostmem.h"
   9 #include "hw/boards.h"
  10
  11 extern int nb_numa_nodes;   /* Number of NUMA nodes */
  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 typedef struct node_info {
  20     uint64_t node_mem;
  21     DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS);
  22     struct HostMemoryBackend *node_memdev;
  23     bool present;
  24     QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
  25 } NodeInfo;
  26
  27 extern NodeInfo numa_info[MAX_NODES];
  28 void parse_numa_opts(MachineClass *mc);
  29 void numa_post_machine_init(void);
  30 void query_numa_node_mem(uint64_t node_mem[]);
  31 extern QemuOptsList qemu_numa_opts;
  32 void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  33 void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  34 uint32_t numa_get_node(ram_addr_t addr, Error **errp);
  35
  36 #endif