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 10 extern int nb_numa_nodes; /* Number of NUMA nodes */ 11 extern bool have_numa_distance; 12 13 struct numa_addr_range { 14 ram_addr_t mem_start; 15 ram_addr_t mem_end; 16 QLIST_ENTRY(numa_addr_range) entry; 17 }; 18 19 struct node_info { 20 uint64_t node_mem; 21 struct HostMemoryBackend *node_memdev; 22 bool present; 23 QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */ 24 uint8_t distance[MAX_NODES]; 25 }; 26 27 extern NodeInfo numa_info[MAX_NODES]; 28 void parse_numa_opts(MachineState *ms); 29 void query_numa_node_mem(uint64_t node_mem[]); 30 extern QemuOptsList qemu_numa_opts; 31 void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node); 32 void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node); 33 uint32_t numa_get_node(ram_addr_t addr, Error **errp); 34 void numa_legacy_auto_assign_ram(MachineClass *mc, NodeInfo *nodes, 35 int nb_nodes, ram_addr_t size); 36 void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes, 37 int nb_nodes, ram_addr_t size); 38 void numa_cpu_pre_plug(const CPUArchId *slot, DeviceState *dev, Error **errp); 39 #endif 40