[PULL 2/8] s390x: Introduce a SCLPDevice pointer under the machine

[Thomas Huth <thuth@redhat.com>]

From: Cédric Le Goater <clg@redhat.com>

Initialize directly SCLPDevice from the machine init handler and
remove s390_sclp_init(). We will use the SCLPDevice pointer later to
create the consoles.

Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240502131533.377719-2-clg@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 include/hw/s390x/s390-virtio-ccw.h |  3 +++
 include/hw/s390x/sclp.h            |  2 --
 hw/s390x/s390-virtio-ccw.c         |  6 +++++-
 hw/s390x/sclp.c                    | 10 ----------
 4 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index c1d46e78af..7605d06bff 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -13,6 +13,7 @@
 
 #include "hw/boards.h"
 #include "qom/object.h"
+#include "hw/s390x/sclp.h"
 
 #define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
 
@@ -28,6 +29,8 @@ struct S390CcwMachineState {
     bool dea_key_wrap;
     bool pv;
     uint8_t loadparm[8];
+
+    SCLPDevice *sclp;
 };
 
 #define S390_PTF_REASON_NONE (0x00 << 8)
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index b405a387b6..d32f6180e0 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -221,8 +221,6 @@ static inline int sccb_data_len(SCCB *sccb)
     return be16_to_cpu(sccb->h.length) - sizeof(sccb->h);
 }
 
-
-void s390_sclp_init(void);
 void sclp_service_interrupt(uint32_t sccb);
 void raise_irq_cpu_hotplug(void);
 int sclp_service_call(S390CPU *cpu, uint64_t sccb, uint32_t code);
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 726c2ab436..159f67d05c 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -251,11 +251,15 @@ static void s390_create_sclpconsole(const char *type, Chardev *chardev)
 static void ccw_init(MachineState *machine)
 {
     MachineClass *mc = MACHINE_GET_CLASS(machine);
+    S390CcwMachineState *ms = S390_CCW_MACHINE(machine);
     int ret;
     VirtualCssBus *css_bus;
     DeviceState *dev;
 
-    s390_sclp_init();
+    ms->sclp = SCLP(object_new(TYPE_SCLP));
+    object_property_add_child(OBJECT(machine), TYPE_SCLP, OBJECT(ms->sclp));
+    qdev_realize_and_unref(DEVICE(ms->sclp), NULL, &error_fatal);
+
     /* init memory + setup max page size. Required for the CPU model */
     s390_memory_init(machine->ram);
 
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index 893e71a41b..d236dbaf0b 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -378,16 +378,6 @@ void sclp_service_interrupt(uint32_t sccb)
 }
 
 /* qemu object creation and initialization functions */
-
-void s390_sclp_init(void)
-{
-    Object *new = object_new(TYPE_SCLP);
-
-    object_property_add_child(qdev_get_machine(), TYPE_SCLP, new);
-    object_unref(new);
-    qdev_realize(DEVICE(new), NULL, &error_fatal);
-}
-
 static void sclp_realize(DeviceState *dev, Error **errp)
 {
     MachineState *machine = MACHINE(qdev_get_machine());
-- 
2.45.0