On Fri, Jan 14, 2022 at 8:59 PM Liu Yi L wrote:
>
> On 2022/1/14 15:22, Jason Wang wrote:
> > On Fri, Jan 14, 2022 at 3:13 PM Peter Xu wrote:
> >>
> >> On Fri, Jan 14, 2022 at 01:58:07PM +0800, Jason Wang wrote:
> > Right, but I think you meant to do this only when scalable mode is
> > d
On 2022/1/14 15:22, Jason Wang wrote:
On Fri, Jan 14, 2022 at 3:13 PM Peter Xu wrote:
On Fri, Jan 14, 2022 at 01:58:07PM +0800, Jason Wang wrote:
Right, but I think you meant to do this only when scalable mode is disabled.
Yes IMHO it will definitely suite for !scalable case since that's ex
On Fri, Jan 14, 2022 at 3:45 PM Peter Xu wrote:
>
> On Fri, Jan 14, 2022 at 03:22:16PM +0800, Jason Wang wrote:
> > On Fri, Jan 14, 2022 at 3:13 PM Peter Xu wrote:
> > >
> > > On Fri, Jan 14, 2022 at 01:58:07PM +0800, Jason Wang wrote:
> > > > > > Right, but I think you meant to do this only when
On Fri, Jan 14, 2022 at 03:22:16PM +0800, Jason Wang wrote:
> On Fri, Jan 14, 2022 at 3:13 PM Peter Xu wrote:
> >
> > On Fri, Jan 14, 2022 at 01:58:07PM +0800, Jason Wang wrote:
> > > > > Right, but I think you meant to do this only when scalable mode is
> > > > > disabled.
> > > >
> > > > Yes IM
On Fri, Jan 14, 2022 at 3:13 PM Peter Xu wrote:
>
> On Fri, Jan 14, 2022 at 01:58:07PM +0800, Jason Wang wrote:
> > > > Right, but I think you meant to do this only when scalable mode is
> > > > disabled.
> > >
> > > Yes IMHO it will definitely suite for !scalable case since that's exactly
> > >
On Fri, Jan 14, 2022 at 01:58:07PM +0800, Jason Wang wrote:
> > > Right, but I think you meant to do this only when scalable mode is
> > > disabled.
> >
> > Yes IMHO it will definitely suite for !scalable case since that's exactly
> > what
> > we did before. What I'm also wondering is even if sc
On Fri, Jan 14, 2022 at 11:31 AM Peter Xu wrote:
>
> On Fri, Jan 14, 2022 at 10:47:44AM +0800, Jason Wang wrote:
> >
> > 在 2022/1/13 下午1:06, Peter Xu 写道:
> > > On Wed, Jan 05, 2022 at 12:19:45PM +0800, Jason Wang wrote:
> > > > @@ -1725,11 +1780,16 @@ static bool
> > > > vtd_do_iommu_translate(VT
On Fri, Jan 14, 2022 at 10:47:44AM +0800, Jason Wang wrote:
>
> 在 2022/1/13 下午1:06, Peter Xu 写道:
> > On Wed, Jan 05, 2022 at 12:19:45PM +0800, Jason Wang wrote:
> > > @@ -1725,11 +1780,16 @@ static bool
> > > vtd_do_iommu_translate(VTDAddressSpace *vtd_as, PCIBus *bus,
> > > cc_entry->c
在 2022/1/13 下午1:06, Peter Xu 写道:
On Wed, Jan 05, 2022 at 12:19:45PM +0800, Jason Wang wrote:
@@ -1725,11 +1780,16 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
*vtd_as, PCIBus *bus,
cc_entry->context_cache_gen = s->context_cache_gen;
}
+/* Try to fetch slpte for
On Thu, Jan 13, 2022 at 01:06:09PM +0800, Peter Xu wrote:
> On Wed, Jan 05, 2022 at 12:19:45PM +0800, Jason Wang wrote:
> > @@ -1725,11 +1780,16 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
> > *vtd_as, PCIBus *bus,
> > cc_entry->context_cache_gen = s->context_cache_gen;
> >
On Wed, Jan 05, 2022 at 12:19:45PM +0800, Jason Wang wrote:
> @@ -1725,11 +1780,16 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
> *vtd_as, PCIBus *bus,
> cc_entry->context_cache_gen = s->context_cache_gen;
> }
>
> +/* Try to fetch slpte form IOTLB */
> +if ((pasid
This patch introduce ECAP_PASID via "x-pasid-mode". Based on the
existing support for scalable mode, we need to implement the following
missing parts:
1) tag VTDAddressSpace with PASID and support IOMMU/DMA translation
with PASID
2) tag IOTLB with PASID
3) PASID cache and its flush
For simplic
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