[PATCH v3 3/4] hw/s390x/ccw: Have CCW machine implement a qmp_dump_skeys() callback

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

In preparation to make @dump-skeys command generic,
extract s390_qmp_dump_skeys() out of qmp_dump_skeys().
Register it as CCW qmp_dump_skeys() callback.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/s390x/storage-keys.h | 1 +
 hw/s390x/s390-skeys.c           | 7 ++++++-
 hw/s390x/s390-virtio-ccw.c      | 3 +++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/hw/s390x/storage-keys.h b/include/hw/s390x/storage-keys.h
index fb766d4631b..ac303001f57 100644
--- a/include/hw/s390x/storage-keys.h
+++ b/include/hw/s390x/storage-keys.h
@@ -122,6 +122,7 @@ int s390_skeys_set(S390SKeysState *ks, uint64_t start_gfn,
 
 S390SKeysState *s390_get_skeys_device(void);
 
+void s390_qmp_dump_skeys(const char *filename, Error **errp);
 void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
 void hmp_info_skeys(Monitor *mon, const QDict *qdict);
 
diff --git a/hw/s390x/s390-skeys.c b/hw/s390x/s390-skeys.c
index 0d3d4f74b4c..fd1123b0f35 100644
--- a/hw/s390x/s390-skeys.c
+++ b/hw/s390x/s390-skeys.c
@@ -142,7 +142,7 @@ void hmp_dump_skeys(Monitor *mon, const QDict *qdict)
     }
 }
 
-void qmp_dump_skeys(const char *filename, Error **errp)
+void s390_qmp_dump_skeys(const char *filename, Error **errp)
 {
     S390SKeysState *ss = s390_get_skeys_device();
     S390SKeysClass *skeyclass = S390_SKEYS_GET_CLASS(ss);
@@ -219,6 +219,11 @@ out:
     fclose(f);
 }
 
+void qmp_dump_skeys(const char *filename, Error **errp)
+{
+    s390_qmp_dump_skeys(filename, errp);
+}
+
 static bool qemu_s390_skeys_are_enabled(S390SKeysState *ss)
 {
     QEMUS390SKeysState *skeys = QEMU_S390_SKEYS(ss);
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index a9b3db19f63..104cd1c79eb 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -809,6 +809,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
     NMIClass *nc = NMI_CLASS(oc);
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
     S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc);
+    DumpSKeysInterface *dsi = DUMP_SKEYS_INTERFACE_CLASS(oc);
 
     s390mc->hpage_1m_allowed = true;
     s390mc->max_threads = 1;
@@ -834,6 +835,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
     nc->nmi_monitor_handler = s390_nmi;
     mc->default_ram_id = "s390.ram";
     mc->default_nic = "virtio-net-ccw";
+    dsi->qmp_dump_skeys = s390_qmp_dump_skeys;
 
     object_class_property_add_bool(oc, "aes-key-wrap",
                                    machine_get_aes_key_wrap,
@@ -875,6 +877,7 @@ static const TypeInfo ccw_machine_info = {
     .interfaces = (InterfaceInfo[]) {
         { TYPE_NMI },
         { TYPE_HOTPLUG_HANDLER},
+        { TYPE_DUMP_SKEYS_INTERFACE},
         { }
     },
 };
-- 
2.47.1