mirror of https://gitee.com/openkylin/qemu.git
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
#ifndef SYSEMU_NUMA_H
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#define SYSEMU_NUMA_H
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#include "qemu/bitmap.h"
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#include "qapi/qapi-types-machine.h"
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#include "exec/cpu-common.h"
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struct CPUArchId;
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#define MAX_NODES 128
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#define NUMA_NODE_UNASSIGNED MAX_NODES
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#define NUMA_DISTANCE_MIN 10
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#define NUMA_DISTANCE_DEFAULT 20
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#define NUMA_DISTANCE_MAX 254
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#define NUMA_DISTANCE_UNREACHABLE 255
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struct NodeInfo {
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uint64_t node_mem;
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struct HostMemoryBackend *node_memdev;
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bool present;
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uint8_t distance[MAX_NODES];
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};
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struct NumaNodeMem {
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uint64_t node_mem;
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uint64_t node_plugged_mem;
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};
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struct NumaState {
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/* Number of NUMA nodes */
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int num_nodes;
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/* Allow setting NUMA distance for different NUMA nodes */
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bool have_numa_distance;
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/* NUMA nodes information */
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NodeInfo nodes[MAX_NODES];
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};
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typedef struct NumaState NumaState;
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void set_numa_options(MachineState *ms, NumaOptions *object, Error **errp);
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void parse_numa_opts(MachineState *ms);
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void numa_complete_configuration(MachineState *ms);
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void query_numa_node_mem(NumaNodeMem node_mem[], MachineState *ms);
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extern QemuOptsList qemu_numa_opts;
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void numa_legacy_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
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int nb_nodes, ram_addr_t size);
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void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
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int nb_nodes, ram_addr_t size);
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void numa_cpu_pre_plug(const struct CPUArchId *slot, DeviceState *dev,
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Error **errp);
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#endif
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