[RFC PATCH-for-9.1 03/29] hw/i386/pc: Pass base machine type as argument to DEFINE_PC_MACHINE()

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Currently PC machines are based on TYPE_PC_MACHINE.
In preparation of being based on different types,
pass the current type as argument.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/i386/pc.h | 4 ++--
 hw/i386/pc_piix.c    | 9 +++++----
 hw/i386/pc_q35.c     | 3 ++-
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 6b885424bb..33023ebbbe 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -268,7 +268,7 @@ extern const size_t pc_compat_2_4_len;
 extern GlobalProperty pc_compat_2_3[];
 extern const size_t pc_compat_2_3_len;
 
-#define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
+#define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn, parent_class) \
     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
     { \
         MachineClass *mc = MACHINE_CLASS(oc); \
@@ -277,7 +277,7 @@ extern const size_t pc_compat_2_3_len;
     } \
     static const TypeInfo pc_machine_type_##suffix = { \
         .name       = namestr TYPE_MACHINE_SUFFIX, \
-        .parent     = TYPE_PC_MACHINE, \
+        .parent     = parent_class, \
         .class_init = pc_machine_##suffix##_class_init, \
     }; \
     static void pc_machine_init_##suffix(void) \
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 1be1e050c7..b9f85148e3 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -462,7 +462,8 @@ static void pc_xen_hvm_init(MachineState *machine)
         } \
         pc_init1(machine, TYPE_I440FX_PCI_DEVICE); \
     } \
-    DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
+    DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn, \
+                      TYPE_PC_MACHINE)
 
 static void pc_i440fx_machine_options(MachineClass *m)
 {
@@ -824,7 +825,7 @@ static void isapc_machine_options(MachineClass *m)
 }
 
 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
-                  isapc_machine_options);
+                  isapc_machine_options, TYPE_PC_MACHINE);
 #endif
 
 #ifdef CONFIG_XEN
@@ -837,7 +838,7 @@ static void xenfv_4_2_machine_options(MachineClass *m)
 }
 
 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init,
-                  xenfv_4_2_machine_options);
+                  xenfv_4_2_machine_options, TYPE_PC_MACHINE);
 
 static void xenfv_3_1_machine_options(MachineClass *m)
 {
@@ -849,5 +850,5 @@ static void xenfv_3_1_machine_options(MachineClass *m)
 }
 
 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init,
-                  xenfv_3_1_machine_options);
+                  xenfv_3_1_machine_options, TYPE_PC_MACHINE);
 #endif
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 43ee1e595c..7dbee38f03 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -338,7 +338,8 @@ static void pc_q35_init(MachineState *machine)
         } \
         pc_q35_init(machine); \
     } \
-    DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
+    DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn, \
+                      TYPE_PC_MACHINE)
 
 
 static void pc_q35_machine_options(MachineClass *m)
-- 
2.41.0