machine: Set MachineClass::name automatically

Now all TYPE_MACHINE subclasses use MACHINE_TYPE_NAME to generate the
class name. So instead of requiring each subclass to set
MachineClass::name manually, we can now set it automatically at the
TYPE_MACHINE class_base_init() function.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
[AF/ehabkost: Updated for s390-ccw machines]
[AF: Cleanup of intermediate virt and vexpress name handling]
Signed-off-by: Andreas Färber <afaerber@suse.de>

8 files changed, 6 insertions, 18 deletions

diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
index 2bcd312453..058abbde3f 100644
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@@ -168,10 +168,8 @@ typedef struct {
 } VexpressMachineState;
 
 #define TYPE_VEXPRESS_MACHINE   "vexpress"
-#define VEXPRESS_A9_MACHINE_NAME "vexpress-a9"
-#define VEXPRESS_A15_MACHINE_NAME "vexpress-a15"
-#define TYPE_VEXPRESS_A9_MACHINE   MACHINE_TYPE_NAME(VEXPRESS_A9_MACHINE_NAME)
-#define TYPE_VEXPRESS_A15_MACHINE   MACHINE_TYPE_NAME(VEXPRESS_A15_MACHINE_NAME)
+#define TYPE_VEXPRESS_A9_MACHINE   MACHINE_TYPE_NAME("vexpress-a9")
+#define TYPE_VEXPRESS_A15_MACHINE   MACHINE_TYPE_NAME("vexpress-a15")
 #define VEXPRESS_MACHINE(obj) \
     OBJECT_CHECK(VexpressMachineState, (obj), TYPE_VEXPRESS_MACHINE)
 #define VEXPRESS_MACHINE_GET_CLASS(obj) \
@@ -760,7 +758,6 @@ static void vexpress_a9_class_init(ObjectClass *oc, void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc);
 
-    mc->name = VEXPRESS_A9_MACHINE_NAME;
     mc->desc = "ARM Versatile Express for Cortex-A9";
 
     vmc->daughterboard = &a9_daughterboard;
@@ -771,7 +768,6 @@ static void vexpress_a15_class_init(ObjectClass *oc, void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc);
 
-    mc->name = VEXPRESS_A15_MACHINE_NAME;
     mc->desc = "ARM Versatile Express for Cortex-A15";
 
     vmc->daughterboard = &a15_daughterboard;
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index fba259529b..6bf0d6d591 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -83,8 +83,7 @@ typedef struct {
     bool highmem;
 } VirtMachineState;
 
-#define VIRT_MACHINE_NAME   "virt"
-#define TYPE_VIRT_MACHINE   MACHINE_TYPE_NAME(VIRT_MACHINE_NAME)
+#define TYPE_VIRT_MACHINE   MACHINE_TYPE_NAME("virt")
 #define VIRT_MACHINE(obj) \
     OBJECT_CHECK(VirtMachineState, (obj), TYPE_VIRT_MACHINE)
 #define VIRT_MACHINE_GET_CLASS(obj) \
@@ -1074,7 +1073,6 @@ static void virt_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->name = VIRT_MACHINE_NAME;
     mc->desc = "ARM Virtual Machine",
     mc->init = machvirt_init;
     mc->max_cpus = 8;
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 3c1f248e80..f4db340468 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -319,8 +319,11 @@ static void machine_class_init(ObjectClass *oc, void *data)
 static void machine_class_base_init(ObjectClass *oc, void *data)
 {
     if (!object_class_is_abstract(oc)) {
+        MachineClass *mc = MACHINE_CLASS(oc);
         const char *cname = object_class_get_name(oc);
         assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
+        mc->name = g_strndup(cname,
+                            strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
     }
 }
 
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 31c40c9ff0..e1c5ed76bd 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -508,7 +508,6 @@ static void core99_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->name = "mac99";
     mc->desc = "Mac99 based PowerMAC";
     mc->init = ppc_core99_init;
     mc->max_cpus = MAX_CPUS;
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 012b6ede3c..05926a3eb2 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1919,7 +1919,6 @@ static void spapr_machine_2_1_class_init(ObjectClass *oc, void *data)
         { /* end of list */ }
     };
 
-    mc->name = "pseries-2.1";
     mc->desc = "pSeries Logical Partition (PAPR compliant) v2.1";
     mc->compat_props = compat_props;
 }
@@ -1939,7 +1938,6 @@ static void spapr_machine_2_2_class_init(ObjectClass *oc, void *data)
     };
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->name = "pseries-2.2";
     mc->desc = "pSeries Logical Partition (PAPR compliant) v2.2";
     mc->compat_props = compat_props;
 }
@@ -1959,7 +1957,6 @@ static void spapr_machine_2_3_class_init(ObjectClass *oc, void *data)
     };
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->name = "pseries-2.3";
     mc->desc = "pSeries Logical Partition (PAPR compliant) v2.3";
     mc->compat_props = compat_props;
 }
@@ -1975,7 +1972,6 @@ static void spapr_machine_2_4_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->name = "pseries-2.4";
     mc->desc = "pSeries Logical Partition (PAPR compliant) v2.4";
     mc->alias = "pseries";
     mc->is_default = 1;
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index e738b5b06a..36f78b417c 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -252,7 +252,6 @@ static void ccw_machine_2_4_class_init(ObjectClass *oc, void *data)
         { /* end of list */ }
     };
 
-    mc->name = "s390-ccw-virtio-2.4";
     mc->desc = "VirtIO-ccw based S390 machine v2.4";
     mc->compat_props = compat_props;
 }
@@ -267,7 +266,6 @@ static void ccw_machine_2_5_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->name = "s390-ccw-virtio-2.5";
     mc->alias = "s390-ccw-virtio";
     mc->desc = "VirtIO-ccw based S390 machine v2.5";
     mc->is_default = 1;
diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c
index a1eca0958c..bc013eb3d4 100644
--- a/hw/s390x/s390-virtio.c
+++ b/hw/s390x/s390-virtio.c
@@ -319,7 +319,6 @@ static void s390_machine_class_init(ObjectClass *oc, void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     NMIClass *nc = NMI_CLASS(oc);
 
-    mc->name = S390_MACHINE;
     mc->alias = "s390";
     mc->desc = "VirtIO based S390 machine";
     mc->init = s390_init;
diff --git a/vl.c b/vl.c
index 3c6c9b01b2..3b926351f1 100644
--- a/vl.c
+++ b/vl.c
@@ -1437,7 +1437,6 @@ static void qemu_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
     QEMUMachine *qm = data;
-    mc->name = qm->name;
     mc->desc = qm->desc;
     mc->init = qm->init;
     mc->kvm_type = qm->kvm_type;