igned-off-by: Jean-Philippe Brucker
> Signed-off-by: Liu, Yi L
> Signed-off-by: Ashok Raj
> Signed-off-by: Jacob Pan
> Signed-off-by: Eric Auger
>
> ---
>
> v12 -> v13:
> - Fix config check
>
> v11 -> v12:
> - add argsz, name the union
> ---
>
On Wed, 15 Apr 2020 16:52:10 +0200
Auger Eric wrote:
> Hi Jacob,
> On 4/15/20 12:15 AM, Jacob Pan wrote:
> > Hi Eric,
> >
> > There are some discussions about how to size the uAPI data.
> > https://lkml.org/lkml/2020/4/14/939
> >
> > I think the pr
ta.
If argsz <= minsz, kernel can support the attach_table but must process
the data based on flags or config.
Does it make sense to you?
On Tue, 14 Apr 2020 17:05:55 +0200
Eric Auger wrote:
> From: Jacob Pan
>
> In virtualization use case, when a guest is assigned
> a PCI host dev
On Tue, 18 Jun 2019 15:04:36 +0100
Jean-Philippe Brucker wrote:
> On 12/06/2019 19:53, Jacob Pan wrote:
> >>> You are right, the worst case of the spurious PS is to terminate
> >>> the group prematurely. Need to know the scope of the HW damage in
> >>> cas
On Tue, 11 Jun 2019 14:14:33 +0100
Jean-Philippe Brucker wrote:
> On 10/06/2019 22:31, Jacob Pan wrote:
> > On Mon, 10 Jun 2019 13:45:02 +0100
> > Jean-Philippe Brucker wrote:
> >
> >> On 07/06/2019 18:43, Jacob Pan wrote:
> >>&g
On Mon, 10 Jun 2019 13:45:02 +0100
Jean-Philippe Brucker wrote:
> On 07/06/2019 18:43, Jacob Pan wrote:
> >>> So it seems we agree on the following:
> >>> - iommu_unregister_device_fault_handler() will never fail
> >>> - iommu driver clean
On Fri, 7 Jun 2019 11:28:13 +0100
Jean-Philippe Brucker wrote:
> On 06/06/2019 21:29, Jacob Pan wrote:
> >>>>>> iommu_unregister_device_fault_handler(&vdev->pdev->dev);
> >>>>>
> >>>>>
> >>>>> But th
On Thu, 6 Jun 2019 19:54:05 +0100
Jean-Philippe Brucker wrote:
> On 05/06/2019 23:45, Jacob Pan wrote:
> > On Tue, 4 Jun 2019 18:11:08 +0200
> > Auger Eric wrote:
> >
> >> Hi Alex,
> >>
> >> On 6/4/19 12:31 AM, Alex Williamson wrote:
>
On Tue, 4 Jun 2019 18:11:08 +0200
Auger Eric wrote:
> Hi Alex,
>
> On 6/4/19 12:31 AM, Alex Williamson wrote:
> > On Sun, 26 May 2019 18:10:01 +0200
> > Eric Auger wrote:
> >
> >> This patch registers a fault handler which records faults in
> >> a circular buffer and then signals an eventfd.
On Tue, 4 Jun 2019 11:52:18 +0100
Jean-Philippe Brucker wrote:
> On 03/06/2019 23:32, Alex Williamson wrote:
> > It doesn't seem to make much sense to include this patch without
> > also including "iommu: handle page response timeout". Was that one
> > lost? Dropped? Lives elsewhere?
>
> The
ust be completed by sending a page
> > response back to the IOMMU. Add an iommu_page_response() function
> > to complete a page fault.
> >
> > Signed-off-by: Jacob Pan
> > Signed-off-by: Jean-Philippe Brucker
> > ---
> > drivers/iommu/iommu.c | 77
> > +++
On Thu, 2 May 2019 11:53:34 +0100
Jean-Philippe Brucker wrote:
> On 02/05/2019 07:58, Auger Eric wrote:
> > Hi Jean-Philippe,
> >
> > On 5/1/19 12:38 PM, Jean-Philippe Brucker wrote:
> >> On 08/04/2019 13:18, Eric Auger wrote:
> >>> +int iommu_cache_invalidate(struct iommu_domain *domain, st
tive
> >> invalidation:
> >
> > My mistake: I meant dev-IOTLB and domain granularity are N/A
>
> Ah OK, no worries.
>
> How do we proceed further with those user APIs? Besides the comment to
> be adde
On Sun, 17 Mar 2019 18:22:12 +0100
Eric Auger wrote:
> From: Jacob Pan
>
> Device faults detected by IOMMU can be reported outside the IOMMU
> subsystem for further processing. This patch introduces
> a generic device fault data structure.
>
> The fault can be either an u
are proposed here,
> model specific IOMMU drivers need to convert them into their own
> format.
>
> Signed-off-by: Liu, Yi L
> Signed-off-by: Jean-Philippe Brucker
> Signed-off-by: Jacob Pan
> Signed-off-by: Ashok Raj
> Signed-off-by: Eric Auger
>
> ---
> v5 -
are proposed here,
> model specific IOMMU drivers need to convert them into their own
> format.
>
> Signed-off-by: Liu, Yi L
> Signed-off-by: Jean-Philippe Brucker
> Signed-off-by: Jacob Pan
> Signed-off-by: Ashok Raj
> Signed-off-by: Eric Auger
>
> ---
> v3
GE) {
> > + evt_pending = kmemdup(evt, sizeof(struct
> > iommu_fault_event),
> > + GFP_KERNEL);
> > + if (!evt_pending) {
> > + ret = -ENOMEM;
> > + goto done_unlock;
> > +
d to convert them
> >> into their own format.
> >>
> >> Signed-off-by: Liu, Yi L
> >> Signed-off-by: Jean-Philippe Brucker
> >> Signed-off-by: Jacob Pan
> >> Signed-off-by: Ashok Raj
> >> Signed-off-by: Eric Auger
> >>
> &
On Fri, 11 Jan 2019 11:06:29 +
Jean-Philippe Brucker wrote:
> On 10/01/2019 18:45, Jacob Pan wrote:
> > On Tue, 8 Jan 2019 11:26:26 +0100
> > Eric Auger wrote:
> >
> >> From: Jacob Pan
> >>
> >> Device faults detected by IOMMU can be r
On Tue, 8 Jan 2019 11:26:26 +0100
Eric Auger wrote:
> From: Jacob Pan
>
> Device faults detected by IOMMU can be reported outside IOMMU
> subsystem for further processing. This patch intends to provide
> a generic device fault data such that device drivers can be
> commu
On Wed, 12 Dec 2018 09:21:43 +0100
Auger Eric wrote:
> Hi Jacob,
>
> On 9/21/18 12:06 AM, Jacob Pan wrote:
> > On Tue, 18 Sep 2018 16:24:51 +0200
> > Eric Auger wrote:
> >
> >> From: Jacob Pan
> >>
> >> Device faults detected by
On Tue, 18 Sep 2018 16:24:38 +0200
Eric Auger wrote:
> From: Jacob Pan
>
> In virtualization use case, when a guest is assigned
> a PCI host device, protected by a virtual IOMMU on a guest,
> the physical IOMMU must be programmed to be consistent with
> the guest mapping
On Tue, 18 Sep 2018 16:24:51 +0200
Eric Auger wrote:
> From: Jacob Pan
>
> Device faults detected by IOMMU can be reported outside IOMMU
> subsystem for further processing. This patch intends to provide
> a generic device fault data such that device drivers can be
> commu
On Fri, 21 Sep 2018 11:54:56 +0200
Auger Eric wrote:
> Hi Jacob,
>
> On 9/21/18 12:06 AM, Jacob Pan wrote:
> > On Tue, 18 Sep 2018 16:24:51 +0200
> > Eric Auger wrote:
> >
> >> From: Jacob Pan
> >>
> >> Device faults detected by
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