From e8a60d286006abb8a4d559e13df5e8659ffefab3 Mon Sep 17 00:00:00 2001
From: Daniel Barlow <dan@telent.net>
Date: Sun, 22 Mar 2026 15:23:50 +0000
Subject: [PATCH] bordervm switch usb passthru from ehci to xhci

this was to fix a bug that turned out to be something else,
but the qemu docs say it's better anyway
---
 bordervm-configuration.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bordervm-configuration.nix b/bordervm-configuration.nix
index 5f333ac..7df5baa 100644
--- a/bordervm-configuration.nix
+++ b/bordervm-configuration.nix
@@ -150,8 +150,10 @@ in
           [ ]
           ++ optional cfg.ethernet.pci.enable "-device vfio-pci,host=${cfg.ethernet.pci.id}"
           ++ optionals cfg.ethernet.usb.enable [
-            "-device usb-ehci,id=ehci"
-            "-device usb-host,bus=ehci.0,vendorid=${cfg.ethernet.usb.vendor},productid=${cfg.ethernet.usb.product}"
+            "-device qemu-xhci"
+            # "-device usb-ehci,id=ehci"
+            # "-device usb-host,bus=ehci.0,vendorid=${cfg.ethernet.usb.vendor},productid=${cfg.ethernet.usb.product}"
+            "-device usb-host,vendorid=${cfg.ethernet.usb.vendor},productid=${cfg.ethernet.usb.product}"
           ]
           ++ [
             "-nographic"