[PATCH v6 1/4] mem: move nvdimm_device_list to utilities

[Shivaprasad G Bhat <sbhat@linux.ibm.com>]

nvdimm_device_list is required for parsing the list for devices
in subsequent patches. Move it to common utility area.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/acpi/nvdimm.c            |   28 +---------------------------
 include/qemu/nvdimm-utils.h |    7 +++++++
 util/Makefile.objs          |    1 +
 util/nvdimm-utils.c         |   29 +++++++++++++++++++++++++++++
 4 files changed, 38 insertions(+), 27 deletions(-)
 create mode 100644 include/qemu/nvdimm-utils.h
 create mode 100644 util/nvdimm-utils.c

diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 9fdad6dc3f..5219dd0e2e 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -32,33 +32,7 @@
 #include "hw/acpi/bios-linker-loader.h"
 #include "hw/nvram/fw_cfg.h"
 #include "hw/mem/nvdimm.h"
-
-static int nvdimm_device_list(Object *obj, void *opaque)
-{
-    GSList **list = opaque;
-
-    if (object_dynamic_cast(obj, TYPE_NVDIMM)) {
-        *list = g_slist_append(*list, DEVICE(obj));
-    }
-
-    object_child_foreach(obj, nvdimm_device_list, opaque);
-    return 0;
-}
-
-/*
- * inquire NVDIMM devices and link them into the list which is
- * returned to the caller.
- *
- * Note: it is the caller's responsibility to free the list to avoid
- * memory leak.
- */
-static GSList *nvdimm_get_device_list(void)
-{
-    GSList *list = NULL;
-
-    object_child_foreach(qdev_get_machine(), nvdimm_device_list, &list);
-    return list;
-}
+#include "qemu/nvdimm-utils.h"
 
 #define NVDIMM_UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)             \
    { (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
diff --git a/include/qemu/nvdimm-utils.h b/include/qemu/nvdimm-utils.h
new file mode 100644
index 0000000000..4b8b198ba7
--- /dev/null
+++ b/include/qemu/nvdimm-utils.h
@@ -0,0 +1,7 @@
+#ifndef NVDIMM_UTILS_H
+#define NVDIMM_UTILS_H
+
+#include "qemu/osdep.h"
+
+GSList *nvdimm_get_device_list(void);
+#endif
diff --git a/util/Makefile.objs b/util/Makefile.objs
index 11262aafaf..6b38b67cf1 100644
--- a/util/Makefile.objs
+++ b/util/Makefile.objs
@@ -20,6 +20,7 @@ util-obj-y += envlist.o path.o module.o
 util-obj-y += host-utils.o
 util-obj-y += bitmap.o bitops.o hbitmap.o
 util-obj-y += fifo8.o
+util-obj-y += nvdimm-utils.o
 util-obj-y += cacheinfo.o
 util-obj-y += error.o qemu-error.o
 util-obj-y += qemu-print.o
diff --git a/util/nvdimm-utils.c b/util/nvdimm-utils.c
new file mode 100644
index 0000000000..5cc768ca47
--- /dev/null
+++ b/util/nvdimm-utils.c
@@ -0,0 +1,29 @@
+#include "qemu/nvdimm-utils.h"
+#include "hw/mem/nvdimm.h"
+
+static int nvdimm_device_list(Object *obj, void *opaque)
+{
+    GSList **list = opaque;
+
+    if (object_dynamic_cast(obj, TYPE_NVDIMM)) {
+        *list = g_slist_append(*list, DEVICE(obj));
+    }
+
+    object_child_foreach(obj, nvdimm_device_list, opaque);
+    return 0;
+}
+
+/*
+ * inquire NVDIMM devices and link them into the list which is
+ * returned to the caller.
+ *
+ * Note: it is the caller's responsibility to free the list to avoid
+ * memory leak.
+ */
+GSList *nvdimm_get_device_list(void)
+{
+    GSList *list = NULL;
+
+    object_child_foreach(qdev_get_machine(), nvdimm_device_list, &list);
+    return list;
+}