1 files changed, 48 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/pci_passthru_quirks.c b/usr.sbin/bhyve/pci_passthru_quirks.c
new file mode 100644
index 000000000000..5ba0e674f311
--- /dev/null
+++ b/usr.sbin/bhyve/pci_passthru_quirks.c
@@ -0,0 +1,48 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 Beckhoff Automation GmbH & Co. KG
+ * Author: Corvin Köhne <c.koehne@beckhoff.com>
+ */
+
+#include <dev/pci/pcireg.h>
+
+#include <errno.h>
+
+#include "pci_passthru.h"
+
+#define PCI_VENDOR_NVIDIA 0x10DE
+
+static int
+nvidia_gpu_probe(struct pci_devinst *const pi)
+{
+	struct passthru_softc *sc;
+	uint16_t vendor;
+	uint8_t class;
+
+	sc = pi->pi_arg;
+
+	vendor = pci_host_read_config(passthru_get_sel(sc), PCIR_VENDOR, 0x02);
+	if (vendor != PCI_VENDOR_NVIDIA)
+		return (ENXIO);
+
+	class = pci_host_read_config(passthru_get_sel(sc), PCIR_CLASS, 0x01);
+	if (class != PCIC_DISPLAY)
+		return (ENXIO);
+
+	return (0);
+}
+
+static int
+nvidia_gpu_init(struct pci_devinst *const pi, nvlist_t *const nvl __unused)
+{
+	pci_set_cfgdata8(pi, PCIR_INTPIN, 1);
+
+	return (0);
+}
+
+static struct passthru_dev nvidia_gpu = {
+	.probe = nvidia_gpu_probe,
+	.init = nvidia_gpu_init,
+};
+PASSTHRU_DEV_SET(nvidia_gpu);