s390x/cpumodel: register defined CPU models as subclasses

This patch adds the CPU model definitions that are known on s390x -
like z900, zBC12 or z13. For each definition, introduce two CPU models:

1. Base model (e.g. z13-base): Minimum feature set we expect to be around
   on all z13 systems. These models are migration-safe and will never
   change.
2. Flexible models (e.g. z13): Models that can change between QEMU versions
   and will be extended over time as we implement further features that
   are already part of such a model in real hardware of certain
   configurations.

We want to work on features using ordinary bitmap operations, however we
can't initialize a bitmap statically (unsigned long[] ...). Therefore we
store the generated feature lists in separate arrays and convert them to
proper bitmaps before registering all our CPU model classes.

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <20160905085244.99980-9-dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/target-s390x/cpu-qom.h b/target-s390x/cpu-qom.h
index bb993d47f2..4e936e7788 100644
--- a/target-s390x/cpu-qom.h
+++ b/target-s390x/cpu-qom.h
@@ -21,6 +21,7 @@
 #define QEMU_S390_CPU_QOM_H
 
 #include "qom/cpu.h"
+#include "cpu_models.h"
 
 #define TYPE_S390_CPU "s390-cpu"
 
@@ -45,6 +46,7 @@ typedef struct S390CPUClass {
     /*< private >*/
     CPUClass parent_class;
     /*< public >*/
+    const S390CPUDef *cpu_def;
     bool kvm_required;
     bool is_static;
     bool is_migration_safe;