9pfs: factor out virtio_pdu_{,un}marshal

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

3 files changed, 21 insertions, 4 deletions

diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c
index f3091cc813..d77247f3cd 100644
--- a/hw/9pfs/virtio-9p-device.c
+++ b/hw/9pfs/virtio-9p-device.c
@@ -156,6 +156,20 @@ static void virtio_9p_device_unrealize(DeviceState *dev, Error **errp)
     g_free(s->tag);
 }
 
+ssize_t virtio_pdu_vmarshal(V9fsPDU *pdu, size_t offset,
+                            const char *fmt, va_list ap)
+{
+    return v9fs_iov_vmarshal(pdu->elem.in_sg, pdu->elem.in_num,
+                             offset, 1, fmt, ap);
+}
+
+ssize_t virtio_pdu_vunmarshal(V9fsPDU *pdu, size_t offset,
+                              const char *fmt, va_list ap)
+{
+    return v9fs_iov_vunmarshal(pdu->elem.out_sg, pdu->elem.out_num,
+                               offset, 1, fmt, ap);
+}
+
 /* virtio-9p device */
 
 static Property virtio_9p_properties[] = {
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index a740f85625..6d32b81faa 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -45,8 +45,7 @@ ssize_t pdu_marshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...)
     va_list ap;
 
     va_start(ap, fmt);
-    ret = v9fs_iov_vmarshal(pdu->elem.in_sg, pdu->elem.in_num,
-                            offset, 1, fmt, ap);
+    ret = virtio_pdu_vmarshal(pdu, offset, fmt, ap);
     va_end(ap);
 
     return ret;
@@ -58,8 +57,7 @@ ssize_t pdu_unmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...)
     va_list ap;
 
     va_start(ap, fmt);
-    ret = v9fs_iov_vunmarshal(pdu->elem.out_sg, pdu->elem.out_num,
-                              offset, 1, fmt, ap);
+    ret = virtio_pdu_vunmarshal(pdu, offset, fmt, ap);
     va_end(ap);
 
     return ret;
diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h
index d6f3ac08a7..e298949fde 100644
--- a/hw/9pfs/virtio-9p.h
+++ b/hw/9pfs/virtio-9p.h
@@ -323,6 +323,11 @@ extern int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath,
 ssize_t pdu_marshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...);
 ssize_t pdu_unmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...);
 
+ssize_t virtio_pdu_vmarshal(V9fsPDU *pdu, size_t offset,
+                            const char *fmt, va_list ap);
+ssize_t virtio_pdu_vunmarshal(V9fsPDU *pdu, size_t offset,
+                              const char *fmt, va_list ap);
+
 #define TYPE_VIRTIO_9P "virtio-9p-device"
 #define VIRTIO_9P(obj) \
         OBJECT_CHECK(V9fsState, (obj), TYPE_VIRTIO_9P)