The storage keys are part of the machine memory.
Introduce the TYPE_DUMP_SKEYS_INTERFACE type,
allowing machine using storage keys to dump them
when a DumpSKeysInterface::qmp_dump_skeys() callback
is provided.
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
include/hw/s390x/storage-keys.h | 15 +++++++++++++++
hw/s390x/s390-skeys.c | 5 +++++
2 files changed, 20 insertions(+)
diff --git a/include/hw/s390x/storage-keys.h b/include/hw/s390x/storage-keys.h
index 408d2815d4d..fb766d4631b 100644
--- a/include/hw/s390x/storage-keys.h
+++ b/include/hw/s390x/storage-keys.h
@@ -125,4 +125,19 @@ S390SKeysState *s390_get_skeys_device(void);
void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
void hmp_info_skeys(Monitor *mon, const QDict *qdict);
+#define TYPE_DUMP_SKEYS_INTERFACE "dump-skeys-interface"
+
+typedef struct DumpSKeysInterface DumpSKeysInterface;
+DECLARE_CLASS_CHECKERS(DumpSKeysInterface, DUMP_SKEYS_INTERFACE,
+ TYPE_DUMP_SKEYS_INTERFACE)
+
+struct DumpSKeysInterface {
+ InterfaceClass parent_class;
+
+ /**
+ * @qmp_dump_skeys: Callback to dump guest's storage keys to @filename.
+ */
+ void (*qmp_dump_skeys)(const char *filename, Error **errp);
+};
+
#endif /* S390_STORAGE_KEYS_H */
diff --git a/hw/s390x/s390-skeys.c b/hw/s390x/s390-skeys.c
index d50e71b927a..0d3d4f74b4c 100644
--- a/hw/s390x/s390-skeys.c
+++ b/hw/s390x/s390-skeys.c
@@ -474,6 +474,11 @@ static void s390_skeys_class_init(ObjectClass *oc, void
*data)
}
static const TypeInfo s390_skeys_types[] = {
+ {
+ .name = TYPE_DUMP_SKEYS_INTERFACE,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(DumpSKeysInterface),
+ },
{
.name = TYPE_S390_SKEYS,
.parent = TYPE_DEVICE,
--
2.47.1
