On Thu, Jun 21, 2018 at 06:21:55PM -0700, Siwei Liu wrote:
> On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
> > On Wed, 20 Jun 2018 22:48:58 +0300
> > "Michael S. Tsirkin" wrote:
> >
> >> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> >> > In any case, I'm not sure anymor
On Thu, Jun 21, 2018 at 06:07:18PM -0700, Siwei Liu wrote:
> On Thu, Jun 21, 2018 at 11:14 AM, Michael S. Tsirkin wrote:
> > On Wed, Jun 13, 2018 at 01:40:59PM +0800, Jason Wang wrote:
> >>
> >>
> >> On 2018年06月13日 12:24, Samudrala, Sridhar wrote:
> >> > On 6/12/2018 7:38 PM, Jason Wang wrote:
> >
* Nick Desaulniers wrote:
> native_save_fl() is marked static inline, but by using it as
> a function pointer in arch/x86/kernel/paravirt.c, it MUST be outlined.
> --- a/arch/x86/include/asm/irqflags.h
> +++ b/arch/x86/include/asm/irqflags.h
> @@ -13,7 +13,7 @@
> * Interrupt control:
> */
On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
> On Wed, 20 Jun 2018 22:48:58 +0300
> "Michael S. Tsirkin" wrote:
>
>> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
>> > In any case, I'm not sure anymore why we'd want the extra uuid.
>>
>> It's mostly so we can have e.g. m
On Thu, Jun 21, 2018 at 11:14 AM, Michael S. Tsirkin wrote:
> On Wed, Jun 13, 2018 at 01:40:59PM +0800, Jason Wang wrote:
>>
>>
>> On 2018年06月13日 12:24, Samudrala, Sridhar wrote:
>> > On 6/12/2018 7:38 PM, Jason Wang wrote:
>> > >
>> > >
>> > > On 2018年06月12日 19:54, Michael S. Tsirkin wrote:
>> >
On Thu, Jun 21, 2018 at 08:06:53PM +0100, Jean-Philippe Brucker wrote:
> When the device offers the probe feature, send a probe request for each
> device managed by the IOMMU. Extract RESV_MEM information. When we
> encounter a MSI doorbell region, set it up as a IOMMU_RESV_MSI region.
> This will
On Thu, Jun 21, 2018 at 08:06:52PM +0100, Jean-Philippe Brucker wrote:
> The virtio IOMMU is a para-virtualized device, allowing to send IOMMU
> requests such as map/unmap over virtio-mmio transport without emulating
> page tables. This implementation handles ATTACH, DETACH, MAP and UNMAP
> request
ARM platforms may implement several kinds of IOMMUs (various SMMU or
SMMUv3 implementations, virtio-iommu). They are all type-1, so
automatically select VFIO_IOMMU_TYPE1 on ARM if IOMMU is selected.
Signed-off-by: Jean-Philippe Brucker
---
drivers/vfio/Kconfig | 2 +-
1 file changed, 1 insertion
The event queue offers a way for the device to report access faults from
endpoints. It is implemented on virtqueue #1. Whenever the host needs to
signal a fault, it fills one of the buffers offered by the guest and
interrupts it.
Signed-off-by: Jean-Philippe Brucker
---
drivers/iommu/virtio-iomm
When the device offers the probe feature, send a probe request for each
device managed by the IOMMU. Extract RESV_MEM information. When we
encounter a MSI doorbell region, set it up as a IOMMU_RESV_MSI region.
This will tell other subsystems that there is no need to map the MSI
doorbell in the virt
The virtio IOMMU is a para-virtualized device, allowing to send IOMMU
requests such as map/unmap over virtio-mmio transport without emulating
page tables. This implementation handles ATTACH, DETACH, MAP and UNMAP
requests.
The bulk of the code transforms calls coming from the IOMMU API into
corres
A virtio-mmio node may represent a virtio-iommu device. This is discovered
by the virtio driver at probe time, but the DMA topology isn't
discoverable and must be described by firmware. For DT the standard IOMMU
description is used, as specified in bindings/iommu/iommu.txt and
bindings/pci/pci-iomm
Implement the base virtio-iommu driver, following version 0.7 of the
specification [1].
Changes since last version [2]:
* Address comments, thanks again for the review.
* As suggested, add a DT binding description in patch 1.
* Depend on VIRTIO_MMIO=y to fix a build failure¹
* Switch to v0.7 of th
On Thu, Jun 21, 2018 at 04:59:13PM +0200, Cornelia Huck wrote:
> On Wed, 20 Jun 2018 22:48:58 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> > > In any case, I'm not sure anymore why we'd want the extra uuid.
> >
> > It's mostly so we
On Wed, Jun 13, 2018 at 01:40:59PM +0800, Jason Wang wrote:
>
>
> On 2018年06月13日 12:24, Samudrala, Sridhar wrote:
> > On 6/12/2018 7:38 PM, Jason Wang wrote:
> > >
> > >
> > > On 2018年06月12日 19:54, Michael S. Tsirkin wrote:
> > > > On Wed, Jun 06, 2018 at 10:29:03AM +0800, Jason Wang wrote:
> >
On Wed, 20 Jun 2018 22:48:58 +0300
"Michael S. Tsirkin" wrote:
> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> > In any case, I'm not sure anymore why we'd want the extra uuid.
>
> It's mostly so we can have e.g. multiple devices with same MAC
> (which some people seem to wa
* Nick Desaulniers wrote:
> On Thu, Jun 14, 2018 at 5:17 PM H. Peter Anvin wrote:
> >
> > On 06/14/18 13:59, Nick Desaulniers wrote:
> > > On Thu, Jun 14, 2018 at 1:48 PM H. Peter Anvin wrote:
> > >>
> > >> On 06/13/18 14:05, Nick Desaulniers wrote:
> > >>> From: "H. Peter Anvin"
> > >>>
> >
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