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From: Neo Jia <cjia@nvidia.com>
To: Jike Song <jike.song@intel.com>
Cc: Kirti Wankhede <kwankhede@nvidia.com>,
	<alex.williamson@redhat.com>, <pbonzini@redhat.com>,
	<kraxel@redhat.com>, <qemu-devel@nongnu.org>,
	<kvm@vger.kernel.org>, <kevin.tian@intel.com>,
	<shuai.ruan@intel.com>, <zhiyuan.lv@intel.com>
Subject: Re: [RFC PATCH v2 3/3] VFIO: Type1 IOMMU mapping support for vGPU
Date: Thu, 3 Mar 2016 23:00:26 -0800	[thread overview]
Message-ID: <20160304070025.GA32070@nvidia.com> (raw)
In-Reply-To: <56D6A68A.50004@intel.com>

On Wed, Mar 02, 2016 at 04:38:34PM +0800, Jike Song wrote:
> On 02/24/2016 12:24 AM, Kirti Wankhede wrote:
> > +	vgpu_dma->size = map->size;
> > +
> > +	vgpu_link_dma(vgpu_iommu, vgpu_dma);
> 
> Hi Kirti & Neo,
> 
> seems that no one actually setup mappings for IOMMU here?
> 

Hi Jike,

Yes.

The actual mapping should be done by the host kernel driver after calling the
translation/pinning API vgpu_dma_do_translate.

Thanks,
Neo

> > 
> 
> --
> Thanks,
> Jike
> 

WARNING: multiple messages have this Message-ID (diff)
From: Neo Jia <cjia@nvidia.com>
To: Jike Song <jike.song@intel.com>
Cc: shuai.ruan@intel.com, kevin.tian@intel.com,
	alex.williamson@redhat.com, kvm@vger.kernel.org,
	qemu-devel@nongnu.org, Kirti Wankhede <kwankhede@nvidia.com>,
	kraxel@redhat.com, pbonzini@redhat.com, zhiyuan.lv@intel.com
Subject: Re: [Qemu-devel] [RFC PATCH v2 3/3] VFIO: Type1 IOMMU mapping support for vGPU
Date: Thu, 3 Mar 2016 23:00:26 -0800	[thread overview]
Message-ID: <20160304070025.GA32070@nvidia.com> (raw)
In-Reply-To: <56D6A68A.50004@intel.com>

On Wed, Mar 02, 2016 at 04:38:34PM +0800, Jike Song wrote:
> On 02/24/2016 12:24 AM, Kirti Wankhede wrote:
> > +	vgpu_dma->size = map->size;
> > +
> > +	vgpu_link_dma(vgpu_iommu, vgpu_dma);
> 
> Hi Kirti & Neo,
> 
> seems that no one actually setup mappings for IOMMU here?
> 

Hi Jike,

Yes.

The actual mapping should be done by the host kernel driver after calling the
translation/pinning API vgpu_dma_do_translate.

Thanks,
Neo

> > 
> 
> --
> Thanks,
> Jike
> 

  reply	other threads:[~2016-03-04  7:00 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-23 16:24 [RFC PATCH v2 1/3] vGPU Core driver Kirti Wankhede
2016-02-23 16:24 ` [Qemu-devel] " Kirti Wankhede
2016-02-23 16:24 ` [RFC PATCH v2 2/3] VFIO driver for vGPU device Kirti Wankhede
2016-02-23 16:24   ` [Qemu-devel] " Kirti Wankhede
2016-02-23 16:24 ` [RFC PATCH v2 3/3] VFIO: Type1 IOMMU mapping support for vGPU Kirti Wankhede
2016-02-23 16:24   ` [Qemu-devel] " Kirti Wankhede
2016-03-02  8:38   ` Jike Song
2016-03-02  8:38     ` [Qemu-devel] " Jike Song
2016-03-04  7:00     ` Neo Jia [this message]
2016-03-04  7:00       ` Neo Jia
2016-03-07  6:07       ` Jike Song
2016-03-07  6:07         ` [Qemu-devel] " Jike Song
2016-03-08  0:31         ` Neo Jia
2016-03-08  0:31           ` [Qemu-devel] " Neo Jia
2016-03-10  3:10           ` Jike Song
2016-03-10  3:10             ` [Qemu-devel] " Jike Song
2016-03-11  4:19             ` Neo Jia
2016-03-11  4:19               ` [Qemu-devel] " Neo Jia
2016-03-11  4:46               ` Tian, Kevin
2016-03-11  4:46                 ` [Qemu-devel] " Tian, Kevin
2016-03-11  6:10                 ` Neo Jia
2016-03-11  6:10                   ` [Qemu-devel] " Neo Jia
2016-03-11  8:06                   ` Tian, Kevin
2016-03-11  8:06                     ` [Qemu-devel] " Tian, Kevin
2016-03-11 16:13                 ` Alex Williamson
2016-03-11 16:13                   ` [Qemu-devel] " Alex Williamson
2016-03-11 16:55                   ` Neo Jia
2016-03-11 16:55                     ` [Qemu-devel] " Neo Jia
2016-03-11 17:56                     ` Alex Williamson
2016-03-11 17:56                       ` [Qemu-devel] " Alex Williamson
2016-03-11 18:18                       ` Neo Jia
2016-03-11 18:18                         ` [Qemu-devel] " Neo Jia
2016-02-29  5:39 ` [RFC PATCH v2 1/3] vGPU Core driver Tian, Kevin
2016-02-29  5:39   ` [Qemu-devel] " Tian, Kevin
2016-02-29 23:17   ` Neo Jia
2016-02-29 23:17     ` [Qemu-devel] " Neo Jia
2016-03-01  3:10     ` Jike Song
2016-03-01  3:10       ` [Qemu-devel] " Jike Song

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