...@lists.linux-foundation.org] On Behalf Of Don Dutile
Sent: Thursday, April 25, 2013 1:11 AM
To: Alex Williamson
Cc: Yoder Stuart-B08248; iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On 04/23/2013 03:47 PM, Alex Williamson wrote:
On Tue
: iommu-boun...@lists.linux-foundation.org [mailto:iommu-
boun...@lists.linux-foundation.org] On Behalf Of Don Dutile
Sent: Thursday, April 25, 2013 1:11 AM
To: Alex Williamson
Cc: Yoder Stuart-B08248; iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware
...@lists.linux-foundation.org [mailto:iommu-
boun...@lists.linux-foundation.org] On Behalf Of Don Dutile
Sent: Thursday, April 25, 2013 1:11 AM
To: Alex Williamson
Cc: Yoder Stuart-B08248; iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On 04/23/2013 03:47 PM
...@lists.linux-foundation.org [mailto:iommu-
boun...@lists.linux-foundation.org] On Behalf Of Don Dutile
Sent: Thursday, April 25, 2013 1:11 AM
To: Alex Williamson
Cc: Yoder Stuart-B08248; iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On 04/23/2013 03:47 PM
Does vfio work with swiotlb and if not, can/should swiotlb be
extended? Or does the time and space overhead make it a moot point?
It does not work with SWIOTLB as it uses the DMA API, not the IOMMU API.
I think you got it reversed. vfio uses iommu api, not dma api.
Right. That is what I
On Tue, 2013-04-30 at 16:48 -0400, Don Dutile wrote:
On 04/30/2013 03:11 PM, Konrad Rzeszutek Wilk wrote:
Does vfio work with swiotlb and if not, can/should swiotlb be
extended? Or does the time and space overhead make it a moot point?
It does not work with SWIOTLB as it uses the DMA API,
25, 2013 1:11 AM
To: Alex Williamson
Cc: Yoder Stuart-B08248; iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On 04/23/2013 03:47 PM, Alex Williamson wrote:
On Tue, 2013-04-23 at 19:16 +, Yoder Stuart-B08248 wrote:
-Original
@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On 04/23/2013 03:47 PM, Alex Williamson wrote:
On Tue, 2013-04-23 at 19:16 +, Yoder Stuart-B08248 wrote:
-Original Message-
From: Alex Williamson [mailto:alex.william...@redhat.com]
Sent: Tuesday
-Original Message-
From: iommu-boun...@lists.linux-foundation.org [mailto:iommu-
boun...@lists.linux-foundation.org] On Behalf Of Joerg Roedel
Sent: Wednesday, April 24, 2013 4:27 PM
To: Yoder Stuart-B08248
Cc: iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver
-Original Message-
From: Bhushan Bharat-R65777
Sent: Wednesday, April 24, 2013 6:04 AM
To: Joerg Roedel; Yoder Stuart-B08248
Cc: iommu@lists.linux-foundation.org
Subject: RE: RFC: vfio / iommu driver for hardware with no iommu
-Original Message-
From: iommu-boun
-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On Tue, 2013-04-23 at 16:13 +, Yoder Stuart-B08248 wrote:
Joerg/Alex,
We have embedded systems where we use QEMU/KVM and have
the requirement to do device assignment, but have no
iommu. So we would like to get
-Original Message-
From: iommu-boun...@lists.linux-foundation.org [mailto:iommu-
boun...@lists.linux-foundation.org] On Behalf Of Alex Williamson
Sent: Tuesday, April 23, 2013 10:26 PM
To: Yoder Stuart-B08248
Cc: iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu
-Original Message-
From: Alex Williamson [mailto:alex.william...@redhat.com]
Sent: Tuesday, April 23, 2013 11:56 AM
To: Yoder Stuart-B08248
Cc: Joerg Roedel; iommu@lists.linux-foundation.org
Subject: Re: RFC: vfio / iommu driver for hardware with no iommu
On Tue, 2013-04-23
/ iommu driver for hardware with no iommu
On Tue, 2013-04-23 at 16:13 +, Yoder Stuart-B08248 wrote:
Joerg/Alex,
We have embedded systems where we use QEMU/KVM and have
the requirement to do device assignment, but have no
iommu. So we would like to get vfio-pci working
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