machine: move dies from X86MachineState to CpuTopology

In order to make SMP configuration a Machine property, we need a getter as
well as a setter.  To simplify the implementation put everything that the
getter needs in the CpuTopology struct.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210617155308.928754-7-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 7 insertions, 8 deletions

diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index d30cf27e29..00448ed55a 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -64,7 +64,7 @@ inline void init_topo_info(X86CPUTopoInfo *topo_info,
 {
     MachineState *ms = MACHINE(x86ms);
 
-    topo_info->dies_per_pkg = x86ms->smp_dies;
+    topo_info->dies_per_pkg = ms->smp.dies;
     topo_info->cores_per_die = ms->smp.cores;
     topo_info->threads_per_core = ms->smp.threads;
 }
@@ -293,7 +293,7 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
 
     init_topo_info(&topo_info, x86ms);
 
-    env->nr_dies = x86ms->smp_dies;
+    env->nr_dies = ms->smp.dies;
 
     /*
      * If APIC ID is not set,
@@ -301,13 +301,13 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
      */
     if (cpu->apic_id == UNASSIGNED_APIC_ID) {
         int max_socket = (ms->smp.max_cpus - 1) /
-                                smp_threads / smp_cores / x86ms->smp_dies;
+                                smp_threads / smp_cores / ms->smp.dies;
 
         /*
          * die-id was optional in QEMU 4.0 and older, so keep it optional
          * if there's only one die per socket.
          */
-        if (cpu->die_id < 0 && x86ms->smp_dies == 1) {
+        if (cpu->die_id < 0 && ms->smp.dies == 1) {
             cpu->die_id = 0;
         }
 
@@ -322,9 +322,9 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
         if (cpu->die_id < 0) {
             error_setg(errp, "CPU die-id is not set");
             return;
-        } else if (cpu->die_id > x86ms->smp_dies - 1) {
+        } else if (cpu->die_id > ms->smp.dies - 1) {
             error_setg(errp, "Invalid CPU die-id: %u must be in range 0:%u",
-                       cpu->die_id, x86ms->smp_dies - 1);
+                       cpu->die_id, ms->smp.dies - 1);
             return;
         }
         if (cpu->core_id < 0) {
@@ -477,7 +477,7 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
                                  &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) {
+        if (ms->smp.dies > 1) {
             ms->possible_cpus->cpus[i].props.has_die_id = true;
             ms->possible_cpus->cpus[i].props.die_id = topo_ids.die_id;
         }
@@ -1269,7 +1269,6 @@ static void x86_machine_initfn(Object *obj)
 
     x86ms->smm = ON_OFF_AUTO_AUTO;
     x86ms->acpi = ON_OFF_AUTO_AUTO;
-    x86ms->smp_dies = 1;
     x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS;
     x86ms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
     x86ms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);