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
  12 struct numa_addr_range {
  13     ram_addr_t mem_start;
  14     ram_addr_t mem_end;
  15     QLIST_ENTRY(numa_addr_range) entry;
  16 };
  17
  18 typedef struct node_info {
  19     uint64_t node_mem;
  20     DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS);
  21     struct HostMemoryBackend *node_memdev;
  22     bool present;
  23     QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
  24 } NodeInfo;
  25
  26 extern NodeInfo numa_info[MAX_NODES];
  27 void parse_numa_opts(MachineClass *mc);
  28 void numa_post_machine_init(void);
  29 void query_numa_node_mem(uint64_t node_mem[]);
  30 extern QemuOptsList qemu_numa_opts;
  31 void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  32 void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
  33 uint32_t numa_get_node(ram_addr_t addr, Error **errp);
  34
  35 /* on success returns node index in numa_info,
  36  * on failure returns nb_numa_nodes */
  37 int numa_get_node_for_cpu(int idx);
  38 #endif