Re: [Qemu-devel] [V4 1/4] hw/i386: Introduce AMD IO MMU

[jack bean]

Yeah, that's it.

On Mon, Feb 15, 2016 at 6:46 PM, Marcel Apfelbaum <address@hidden> wrote:
> On 02/04/2016 05:03 PM, Michael S. Tsirkin wrote:
>>
>> On Mon, Jan 18, 2016 at 06:25:42PM +0300, David Kiarie wrote:
>>>
>>> Add AMD IO MMU emulation to Qemu in addition to Intel IO MMU.
>>> The IO MMU does basic translation, error checking and has a
>>> minimal IOTLB implementation.
>>>
>>> Signed-off-by: David Kiarie <address@hidden>
>>> ---
>>>   hw/i386/Makefile.objs |    1 +
>>>   hw/i386/amd_iommu.c   | 1409
>>> +++++++++++++++++++++++++++++++++++++++++++++++++
>>>   hw/i386/amd_iommu.h   |  399 ++++++++++++++
>>>   include/hw/pci/pci.h  |    2 +
>>>   4 files changed, 1811 insertions(+)
>>>   create mode 100644 hw/i386/amd_iommu.c
>>>   create mode 100644 hw/i386/amd_iommu.h
>>>
>>> diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
>>> index b52d5b8..2f1a265 100644
>>> --- a/hw/i386/Makefile.objs
>>> +++ b/hw/i386/Makefile.objs
>>> @@ -3,6 +3,7 @@ obj-y += multiboot.o
>>>   obj-y += pc.o pc_piix.o pc_q35.o
>>>   obj-y += pc_sysfw.o
>>>   obj-y += intel_iommu.o
>>> +obj-y += amd_iommu.o
>>>   obj-$(CONFIG_XEN) += ../xenpv/ xen/
>>>
>>>   obj-y += kvmvapic.o
>>> diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
>>> new file mode 100644
>>> index 0000000..20111fe
>>> --- /dev/null
>>> +++ b/hw/i386/amd_iommu.c
>>> @@ -0,0 +1,1409 @@
>>> +/*
>>> + * QEMU emulation of AMD IOMMU (AMD-Vi)
>>> + *
>>> + * Copyright (C) 2011 Eduard - Gabriel Munteanu
>>> + * Copyright (C) 2015 David Kiarie, <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, see <http://www.gnu.org/licenses/>.
>>> + *
>>> + * Cache implementation inspired by hw/i386/intel_iommu.c
>>
>>
>> Link to hardware spec?
>>
>
> Hi David,
>
> This is the link, right?
>
> http://developer.amd.com/wordpress/media/2012/10/488821.pdf
>
> Thanks,
> Marcel
>
>
> [...]