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;
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;
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