From 054e542c54743c2ed119f18a371858e79be22afe Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Sat, 27 Sep 2025 16:46:12 +0100
Subject: [PATCH] vmspawn: enable qemu guest agent with --console=gui

For auto resolution scaling, etc
---
 src/vmspawn/vmspawn.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/vmspawn/vmspawn.c b/src/vmspawn/vmspawn.c
index 6ea203752e..f471e1bde5 100644
--- a/src/vmspawn/vmspawn.c
+++ b/src/vmspawn/vmspawn.c
@@ -2020,10 +2020,14 @@ static int run_virtual_machine(int kvm_device_fd, int vhost_device_fd) {
         }
 
         case CONSOLE_GUI:
+                /* Enable support for the qemu guest agent for clipboard sharing, resolution scaling, etc. */
                 r = strv_extend_many(
                                 &cmdline,
                                 "-vga",
-                                "virtio");
+                                "virtio",
+                                "-device", "virtio-serial",
+                                "-chardev", "spicevmc,id=vdagent,debug=0,name=vdagent",
+                                "-device", "virtserialport,chardev=vdagent,name=org.qemu.guest_agent.0");
                 break;
 
         case CONSOLE_NATIVE: