hw/i386: Introduce X86CPUTopoInfo to contain topology info

[thirdparty/qemu.git] / hw / i386 / x86.c

diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index c6ee5aac8c26cc2b8436340efd1aa83579a3a1b7..b7d94e8dfe3b88a8288142bd5a026613ceac1373 100644 (file)
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -57,6 +57,16 @@
 /* Physical Address of PVH entry point read from kernel ELF NOTE */
 static size_t pvh_start_addr;
 
+inline void init_topo_info(X86CPUTopoInfo *topo_info,
+                           const X86MachineState *x86ms)
+{
+    MachineState *ms = MACHINE(x86ms);
+
+    topo_info->dies_per_pkg = x86ms->smp_dies;
+    topo_info->cores_per_die = ms->smp.cores;
+    topo_info->threads_per_core = ms->smp.threads;
+}
+
 /*
  * Calculates initial APIC ID for a specific CPU index
  *
@@ -68,13 +78,14 @@ static size_t pvh_start_addr;
 uint32_t x86_cpu_apic_id_from_index(X86MachineState *x86ms,
                                     unsigned int cpu_index)
 {
-    MachineState *ms = MACHINE(x86ms);
     X86MachineClass *x86mc = X86_MACHINE_GET_CLASS(x86ms);
+    X86CPUTopoInfo topo_info;
     uint32_t correct_id;
     static bool warned;
 
-    correct_id = x86_apicid_from_cpu_idx(x86ms->smp_dies, ms->smp.cores,
-                                         ms->smp.threads, cpu_index);
+    init_topo_info(&topo_info, x86ms);
+
+    correct_id = x86_apicid_from_cpu_idx(&topo_info, cpu_index);
     if (x86mc->compat_apic_id_mode) {
         if (cpu_index != correct_id && !warned && !qtest_enabled()) {
             error_report("APIC IDs set in compatibility mode, "
@@ -145,19 +156,22 @@ int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx)
 {
    X86CPUTopoIDs topo_ids;
    X86MachineState *x86ms = X86_MACHINE(ms);
+   X86CPUTopoInfo topo_info;
+
+   init_topo_info(&topo_info, x86ms);
 
    assert(idx < ms->possible_cpus->len);
    x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
-                            x86ms->smp_dies, ms->smp.cores,
-                            ms->smp.threads, &topo_ids);
+                            &topo_info, &topo_ids);
    return topo_ids.pkg_id % ms->numa_state->num_nodes;
 }
 
 const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
 {
     X86MachineState *x86ms = X86_MACHINE(ms);
-    int i;
     unsigned int max_cpus = ms->smp.max_cpus;
+    X86CPUTopoInfo topo_info;
+    int i;
 
     if (ms->possible_cpus) {
         /*
@@ -171,6 +185,9 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
                                   sizeof(CPUArchId) * max_cpus);
     ms->possible_cpus->len = max_cpus;
+
+    init_topo_info(&topo_info, x86ms);
+
     for (i = 0; i < ms->possible_cpus->len; i++) {
         X86CPUTopoIDs topo_ids;
 
@@ -179,8 +196,7 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
         ms->possible_cpus->cpus[i].arch_id =
             x86_cpu_apic_id_from_index(x86ms, i);
         x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
-                                 x86ms->smp_dies, ms->smp.cores,
-                                 ms->smp.threads, &topo_ids);
+                                 &topo_info, &topo_ids);
         ms->possible_cpus->cpus[i].props.has_socket_id = true;
         ms->possible_cpus->cpus[i].props.socket_id = topo_ids.pkg_id;
         if (x86ms->smp_dies > 1) {