Re: [Qemu-devel] [PATCH 1/3] intel-iommu: introduce Intel IOMMU (VT-d) emulation

[Stefan Weil <sw@weilnetz.de>]

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 <tamlokveer@gmail.com>
> ---
>  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 <knut.omang@oracle.com>
> + * Copyright (C) 2014 Le Tan, <tamlokveer@gmail.com>
> + *
> + * 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 <http://www.gnu.org/licenses/>.

This is the standard used for most GPL text in QEMU source files.

Regards
Stefan W.