From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49261) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XA3Aj-0003yk-BV for qemu-devel@nongnu.org; Wed, 23 Jul 2014 16:30:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XA3Ad-0005xm-Su for qemu-devel@nongnu.org; Wed, 23 Jul 2014 16:29:57 -0400 Received: from v220110690675601.yourvserver.net ([37.221.199.173]:39522) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XA3Ad-0005xR-N7 for qemu-devel@nongnu.org; Wed, 23 Jul 2014 16:29:51 -0400 Message-ID: <53D01B2D.2020107@weilnetz.de> Date: Wed, 23 Jul 2014 22:29:33 +0200 From: Stefan Weil MIME-Version: 1.0 References: <1406044070-25667-1-git-send-email-tamlokveer@gmail.com> <1406044070-25667-2-git-send-email-tamlokveer@gmail.com> In-Reply-To: <1406044070-25667-2-git-send-email-tamlokveer@gmail.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 1/3] intel-iommu: introduce Intel IOMMU (VT-d) emulation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Le Tan , qemu-devel@nongnu.org Cc: "Michael S. Tsirkin" , Knut Omang , Alex Williamson , Jan Kiszka , Anthony Liguori , Paolo Bonzini Am 22.07.2014 17:47, schrieb Le Tan: > Add support for emulating Intel IOMMU according to the VT-d specification for > the q35 chipset machine. Implement the logic for DMAR (DMA remapping) without > PASID support. Use register-based invalidation for context-cache invalidation > and IOTLB invalidation. > Basic fault reporting and caching are not implemented yet. > > Signed-off-by: Le Tan > --- > hw/i386/Makefile.objs | 1 + > hw/i386/intel_iommu.c | 1139 +++++++++++++++++++++++++++++++++++++++++ > include/hw/i386/intel_iommu.h | 350 +++++++++++++ > 3 files changed, 1490 insertions(+) > create mode 100644 hw/i386/intel_iommu.c > create mode 100644 include/hw/i386/intel_iommu.h > [...] > diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c > new file mode 100644 > index 0000000..3ba0e1e > --- /dev/null > +++ b/hw/i386/intel_iommu.c > @@ -0,0 +1,1139 @@ > +/* > + * QEMU emulation of an Intel IOMMU (VT-d) > + * (DMA Remapping device) > + * > + * Copyright (c) 2013 Knut Omang, Oracle > + * Copyright (C) 2014 Le Tan, > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA > + */ > + I suggest replacing the FSF address here (and in other files) by the URL: * You should have received a copy of the GNU General Public License along * with this program; if not, see . This is the standard used for most GPL text in QEMU source files. Regards Stefan W.