diff mbox series

[for-10.1,04/10] ui/clipboard: add vmstate_cbinfo

Message ID 20250311155932.1472092-5-marcandre.lureau@redhat.com (mailing list archive)
State New
Headers show
Series Support vdagent migration | expand

Commit Message

Marc-André Lureau March 11, 2025, 3:59 p.m. UTC 
From: Marc-André Lureau <marcandre.lureau@redhat.com>

Add a VMStateDescriptor for QemuClipboardInfo.

Each clipboard owner will have to save its QemuClipboardInfo and
reregister its owned clipboard after loading. (the global cbinfo has
only pointers to owners, so it can't restore the relation with its owner
if it was to handle migration)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 include/ui/clipboard.h |  3 +++
 ui/clipboard.c         | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
diff mbox series

Patch

diff --git a/include/ui/clipboard.h b/include/ui/clipboard.h
index 88cfff91ef..62a96ce9ff 100644
--- a/include/ui/clipboard.h
+++ b/include/ui/clipboard.h
@@ -2,6 +2,7 @@ 
 #define QEMU_CLIPBOARD_H
 
 #include "qemu/notify.h"
+#include "migration/vmstate.h"
 
 /**
  * DOC: Introduction
@@ -27,6 +28,8 @@  typedef struct QemuClipboardNotify QemuClipboardNotify;
 typedef struct QemuClipboardInfo QemuClipboardInfo;
 typedef struct QemuClipboardContent QemuClipboardContent;
 
+extern const VMStateDescription vmstate_cbinfo;
+
 /**
  * enum QemuClipboardType
  *
diff --git a/ui/clipboard.c b/ui/clipboard.c
index 132086eb13..f5db60c63d 100644
--- a/ui/clipboard.c
+++ b/ui/clipboard.c
@@ -7,6 +7,32 @@  static NotifierList clipboard_notifiers =
 
 static QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT];
 
+static const VMStateDescription vmstate_cbcontent = {
+    .name = "clipboard/content",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .fields = (const VMStateField[]) {
+        VMSTATE_BOOL(available, QemuClipboardContent),
+        VMSTATE_BOOL(requested, QemuClipboardContent),
+        VMSTATE_UINT32(size, QemuClipboardContent),
+        VMSTATE_VBUFFER_ALLOC_UINT32(data, QemuClipboardContent, 0, 0, size),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+const VMStateDescription vmstate_cbinfo = {
+    .name = "clipboard",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .fields = (const VMStateField[]) {
+        VMSTATE_INT32(selection, QemuClipboardInfo),
+        VMSTATE_BOOL(has_serial, QemuClipboardInfo),
+        VMSTATE_UINT32(serial, QemuClipboardInfo),
+        VMSTATE_STRUCT_ARRAY(types, QemuClipboardInfo, QEMU_CLIPBOARD_TYPE__COUNT, 0, vmstate_cbcontent, QemuClipboardContent),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 void qemu_clipboard_peer_register(QemuClipboardPeer *peer)
 {
     notifier_list_add(&clipboard_notifiers, &peer->notifier);