From 88c07b328272ce7eb4688b4165ca9844b6ea6a88 Mon Sep 17 00:00:00 2001
From: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
Date: Tue, 14 Jul 2026 19:11:04 +0200
Subject: [PATCH] brand/bhyve: add virtio-consoleN attribute

This attribute allow configuration of virtio-console ports, which are really
just serial ports based on virtio. There is currently no support for console
virtio-console.
---
 src/brand/bhyve/boot.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/brand/bhyve/boot.py b/src/brand/bhyve/boot.py
index f289dd429..cca83e0c9 100755
--- a/src/brand/bhyve/boot.py
+++ b/src/brand/bhyve/boot.py
@@ -124,6 +124,7 @@
 RNG_SLOT        = 10
 VIRTFS_SLOT     = 11
 NET_SLOT2       = 12
+CONSOLE_SLOT    = 17
 CINIT_SLOT      = 29
 VNC_SLOT        = 30
 LPC_SLOT_WIN    = 31
@@ -460,6 +461,13 @@ def apply_bootnext(v):
 
 args.extend(['-l', 'com1,{0}'.format(opts['console'])])
 
+# virtio-console/serial devices
+
+for i, v in z.build_devlist('virtio-console', 4):
+    args.extend([
+        '-s', '{0}:{1},virtio-console,{2}'.format(CONSOLE_SLOT, i, v)
+    ])
+
 # CDROM
 
 for i, v in z.build_devlist('cdrom', 8):