From 741b3c4afff6f5e8e869108adb97b221c83f94de Mon Sep 17 00:00:00 2001 From: christos Date: Tue, 27 Oct 2015 23:08:27 +0000 Subject: use dma64 if available so we don't have do bounce around too much. --- sys/dev/pci/virtio.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/sys/dev/pci/virtio.c b/sys/dev/pci/virtio.c index 5ea2be72685..8d0a8908c0a 100644 --- a/sys/dev/pci/virtio.c +++ b/sys/dev/pci/virtio.c @@ -1,4 +1,4 @@ -/* $NetBSD: virtio.c,v 1.11 2015/10/26 01:44:48 ozaki-r Exp $ */ +/* $NetBSD: virtio.c,v 1.12 2015/10/27 23:08:27 christos Exp $ */ /* * Copyright (c) 2010 Minoura Makoto. @@ -26,7 +26,7 @@ */ #include -__KERNEL_RCSID(0, "$NetBSD: virtio.c,v 1.11 2015/10/26 01:44:48 ozaki-r Exp $"); +__KERNEL_RCSID(0, "$NetBSD: virtio.c,v 1.12 2015/10/27 23:08:27 christos Exp $"); #include #include @@ -341,7 +341,10 @@ virtio_attach(device_t parent, device_t self, void *aux) sc->sc_pc = pc; sc->sc_tag = tag; sc->sc_iot = pa->pa_iot; - sc->sc_dmat = pa->pa_dmat; + if (pci_dma64_available(pa)) + sc->sc_dmat = pa->pa_dmat64; + else + sc->sc_dmat = pa->pa_dmat; sc->sc_config_offset = VIRTIO_CONFIG_DEVICE_CONFIG_NOMSI; if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, -- cgit