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Re: [Qemu-devel] [PATCH 1/3] intel-iommu: introduce Intel IOMMU (VT-d) e
From: |
Le Tan |
Subject: |
Re: [Qemu-devel] [PATCH 1/3] intel-iommu: introduce Intel IOMMU (VT-d) emulation |
Date: |
Thu, 24 Jul 2014 07:24:15 +0800 |
Hi Stefan,
2014-07-24 4:29 GMT+08:00 Stefan Weil <address@hidden>:
> 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 <address@hidden>
>> ---
>> 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 <address@hidden>
>> + * Copyright (C) 2014 Le Tan, <address@hidden>
>> + *
>> + * 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.
Get it. I copied it from the Linux kernel tree.
Thanks very much!
> Regards
> Stefan W.
>
Regards,
Le