vl: extract validation of -smp to machine.c

Once smp_parse is done, the validation operates on the MachineState.
There is no reason for that code to be in vl.c.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/hw/core/machine.c b/hw/core/machine.c
index 9c41b94e0d..bd97fc2f1a 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -1077,6 +1077,29 @@ MemoryRegion *machine_consume_memdev(MachineState *machine,
     return ret;
 }
 
+bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp)
+{
+    MachineClass *mc = MACHINE_GET_CLASS(ms);
+
+    mc->smp_parse(ms, opts);
+
+    /* sanity-check smp_cpus and max_cpus against mc */
+    if (ms->smp.cpus < mc->min_cpus) {
+        error_setg(errp, "Invalid SMP CPUs %d. The min CPUs "
+                   "supported by machine '%s' is %d",
+                   ms->smp.cpus,
+                   mc->name, mc->min_cpus);
+        return false;
+    } else if (ms->smp.max_cpus > mc->max_cpus) {
+        error_setg(errp, "Invalid SMP CPUs %d. The max CPUs "
+                   "supported by machine '%s' is %d",
+                   current_machine->smp.max_cpus,
+                   mc->name, mc->max_cpus);
+        return false;
+    }
+    return true;
+}
+
 void machine_run_board_init(MachineState *machine)
 {
     MachineClass *machine_class = MACHINE_GET_CLASS(machine);