static void parse_numa_node(NumaNodeOptions *node, QemuOpts *opts, Error **errp) { uint16_t nodenr; uint16List *cpus = NULL; if (node->has_nodeid) { nodenr = node->nodeid; } else { nodenr = nb_numa_nodes; } if (nodenr >= MAX_NODES) { error_setg(errp, "Max number of NUMA nodes reached: %" PRIu16 "", nodenr); return; } if (numa_info[nodenr].present) { error_setg(errp, "Duplicate NUMA nodeid: %" PRIu16, nodenr); return; } for (cpus = node->cpus; cpus; cpus = cpus->next) { if (cpus->value >= max_cpus) { error_setg(errp, "CPU index (%" PRIu16 ")" " should be smaller than maxcpus (%d)", cpus->value, max_cpus); return; } bitmap_set(numa_info[nodenr].node_cpu, cpus->value, 1); } if (node->has_mem && node->has_memdev) { error_setg(errp, "qemu: cannot specify both mem= and memdev="); return; } if (have_memdevs == -1) { have_memdevs = node->has_memdev; } if (node->has_memdev != have_memdevs) { error_setg(errp, "qemu: memdev option must be specified for either " "all or no nodes"); return; } if (node->has_mem) { uint64_t mem_size = node->mem; const char *mem_str = qemu_opt_get(opts, "mem"); /* Fix up legacy suffix-less format */ if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { mem_size <<= 20; } numa_info[nodenr].node_mem = mem_size; } if (node->has_memdev) { Object *o; o = object_resolve_path_type(node->memdev, TYPE_MEMORY_BACKEND, NULL); if (!o) { error_setg(errp, "memdev=%s is ambiguous", node->memdev); return; } object_ref(o); numa_info[nodenr].node_mem = object_property_get_int(o, "size", NULL); numa_info[nodenr].node_memdev = MEMORY_BACKEND(o); } numa_info[nodenr].present = true; max_numa_nodeid = MAX(max_numa_nodeid, nodenr + 1); }