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45 lines
1.4 KiB
45 lines
1.4 KiB
#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 "qemu/option.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/hostmem.h"
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#include "hw/boards.h"
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extern int nb_numa_nodes; /* Number of NUMA nodes */
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extern bool have_numa_distance;
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struct numa_addr_range {
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ram_addr_t mem_start;
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ram_addr_t mem_end;
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QLIST_ENTRY(numa_addr_range) entry;
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};
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struct node_info {
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uint64_t node_mem;
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unsigned long *node_cpu;
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struct HostMemoryBackend *node_memdev;
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bool present;
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QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
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uint8_t distance[MAX_NODES];
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};
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extern NodeInfo numa_info[MAX_NODES];
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void parse_numa_opts(MachineClass *mc);
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void numa_post_machine_init(void);
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void query_numa_node_mem(uint64_t node_mem[]);
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extern QemuOptsList qemu_numa_opts;
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void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
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void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
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uint32_t numa_get_node(ram_addr_t addr, Error **errp);
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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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/* on success returns node index in numa_info,
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* on failure returns nb_numa_nodes */
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int numa_get_node_for_cpu(int idx);
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#endif
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