59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#ifndef SYSEMU_NUMA_H
|
|
#define SYSEMU_NUMA_H
|
|
|
|
#include "qemu/bitmap.h"
|
|
#include "qapi/qapi-types-machine.h"
|
|
#include "exec/cpu-common.h"
|
|
|
|
struct CPUArchId;
|
|
|
|
#define MAX_NODES 128
|
|
#define NUMA_NODE_UNASSIGNED MAX_NODES
|
|
#define NUMA_DISTANCE_MIN 10
|
|
#define NUMA_DISTANCE_DEFAULT 20
|
|
#define NUMA_DISTANCE_MAX 254
|
|
#define NUMA_DISTANCE_UNREACHABLE 255
|
|
|
|
struct NodeInfo {
|
|
uint64_t node_mem;
|
|
struct HostMemoryBackend *node_memdev;
|
|
bool present;
|
|
bool has_cpu;
|
|
uint16_t initiator;
|
|
uint8_t distance[MAX_NODES];
|
|
};
|
|
|
|
struct NumaNodeMem {
|
|
uint64_t node_mem;
|
|
uint64_t node_plugged_mem;
|
|
};
|
|
|
|
struct NumaState {
|
|
/* Number of NUMA nodes */
|
|
int num_nodes;
|
|
|
|
/* Allow setting NUMA distance for different NUMA nodes */
|
|
bool have_numa_distance;
|
|
|
|
/* Detect if HMAT support is enabled. */
|
|
bool hmat_enabled;
|
|
|
|
/* NUMA nodes information */
|
|
NodeInfo nodes[MAX_NODES];
|
|
};
|
|
typedef struct NumaState NumaState;
|
|
|
|
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[], MachineState *ms);
|
|
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
|