xref: /openbmc/qemu/include/sysemu/numa.h (revision a44432b4)

#ifndef SYSEMU_NUMA_H
#define SYSEMU_NUMA_H

#include "qemu/bitmap.h"
#include "sysemu/sysemu.h"
#include "sysemu/hostmem.h"
#include "qapi/qapi-types-machine.h"
#include "exec/cpu-common.h"

struct CPUArchId;

extern int nb_numa_nodes;   /* Number of NUMA nodes */
extern bool have_numa_distance;

struct NodeInfo {
    uint64_t node_mem;
    struct HostMemoryBackend *node_memdev;
    bool present;
    uint8_t distance[MAX_NODES];
};

struct NumaNodeMem {
    uint64_t node_mem;
    uint64_t node_plugged_mem;
};

extern NodeInfo numa_info[MAX_NODES];

void set_numa_options(MachineState *ms, NumaOptions *object, Error **errp);
void parse_numa_opts(MachineState *ms);
void numa_complete_configuration(MachineState *ms);
void query_numa_node_mem(NumaNodeMem node_mem[]);
extern QemuOptsList qemu_numa_opts;
void numa_legacy_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
                                 int nb_nodes, ram_addr_t size);
void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
                                  int nb_nodes, ram_addr_t size);
void numa_cpu_pre_plug(const struct CPUArchId *slot, DeviceState *dev,
                       Error **errp);

#endif