From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:52393) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TCFl5-0005oq-EE for qemu-devel@nongnu.org; Thu, 13 Sep 2012 16:11:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TCFl1-0002Po-9I for qemu-devel@nongnu.org; Thu, 13 Sep 2012 16:11:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53051) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TCFl1-0002PF-0O for qemu-devel@nongnu.org; Thu, 13 Sep 2012 16:11:27 -0400 From: Alex Williamson Date: Thu, 13 Sep 2012 14:11:24 -0600 Message-ID: <20120913201123.10274.44181.stgit@bling.home> In-Reply-To: <20120913195054.10274.28026.stgit@bling.home> References: <20120913195054.10274.28026.stgit@bling.home> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH v4 4/4] vfio: Enable vfio-pci and mark supported List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: aliguori@us.ibm.com Cc: kvm@vger.kernel.org, aik@ozlabs.ru, jan.kiszka@siemens.com, qemu-devel@nongnu.org, blauwirbel@gmail.com, avi@redhat.com Enabled for all softmmu guests supporting PCI on Linux hosts. Note that currently only x86 hosts have the kernel side VFIO IOMMU support for this. PPC (g3beige) is the only non-x86 guest known to work. ARM (veratile) hangs in firmware, others untested. Signed-off-by: Alex Williamson --- MAINTAINERS | 5 +++++ configure | 6 ++++++ hw/Makefile.objs | 3 ++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 61f8b45..fd3eca0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -474,6 +474,11 @@ M: Gerd Hoffmann S: Maintained F: hw/usb* +VFIO +M: Alex Williamson +S: Supported +F: hw/vfio* + vhost M: Michael S. Tsirkin S: Supported diff --git a/configure b/configure index 30be784..b56e61f 100755 --- a/configure +++ b/configure @@ -167,6 +167,7 @@ attr="" libattr="" xfs="" +vfio_pci="no" vhost_net="no" kvm="no" gprof="no" @@ -528,6 +529,7 @@ Haiku) usb="linux" kvm="yes" vhost_net="yes" + vfio_pci="yes" if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then audio_possible_drivers="$audio_possible_drivers fmod" fi @@ -3180,6 +3182,7 @@ echo "libiscsi support $libiscsi" echo "build guest agent $guest_agent" echo "seccomp support $seccomp" echo "coroutine backend $coroutine_backend" +echo "VFIO PCI support $vfio_pci" if test "$sdl_too_old" = "yes"; then echo "-> Your SDL version is too old - please upgrade to have SDL support" @@ -3921,6 +3924,9 @@ if test "$target_softmmu" = "yes" ; then if test "$smartcard_nss" = "yes" ; then echo "subdir-$target: subdir-libcacard" >> $config_host_mak fi + if test "$vfio_pci" = "yes" ; then + echo "CONFIG_VFIO_PCI=y" >> $config_target_mak + fi case "$target_arch2" in i386|x86_64) echo "CONFIG_HAVE_CORE_DUMP=y" >> $config_target_mak diff --git a/hw/Makefile.objs b/hw/Makefile.objs index 6dfebd2..7f8d3e4 100644 --- a/hw/Makefile.objs +++ b/hw/Makefile.objs @@ -198,7 +198,8 @@ obj-$(CONFIG_VGA) += vga.o obj-$(CONFIG_SOFTMMU) += device-hotplug.o obj-$(CONFIG_XEN) += xen_domainbuild.o xen_machine_pv.o -# Inter-VM PCI shared memory +# Inter-VM PCI shared memory & VFIO PCI device assignment ifeq ($(CONFIG_PCI), y) obj-$(CONFIG_KVM) += ivshmem.o +obj-$(CONFIG_VFIO_PCI) += vfio_pci.o endif