Hi Jean,
On 10/11/21 2:46 PM, Jean-Philippe Brucker wrote:
Hi Vivek,
On Mon, Oct 11, 2021 at 01:41:15PM +0530, Vivek Gautam wrote:
+ list_for_each_entry(ep, >endpoints, list) {
+ if (ep->eid == endpoint) {
+ vdev = ep->vdev;
I have a question here though
On 9/30/21 2:19 PM, Jean-Philippe Brucker wrote:
On Thu, Sep 30, 2021 at 10:26:35AM +0530, Vivek Kumar Gautam wrote:
I'm not sure why we made it 32-bit in Linux UAPI, it's a little wasteful.
PCIe PRGI is 9-bits and SMMU STAG is 16-bits. Since the scope of the grpid
is the endpoint, 16-bit
Hi Jean,
On 9/21/21 9:37 PM, Jean-Philippe Brucker wrote:
On Fri, Apr 23, 2021 at 03:21:44PM +0530, Vivek Gautam wrote:
Implementing the alloc_shared_cd and free_shared_cd in cd-lib, and
start using them for arm-smmu-v3-sva implementation.
Signed-off-by: Vivek Gautam
---
Hi Jean,
On 9/21/21 9:46 PM, Jean-Philippe Brucker wrote:
On Fri, Apr 23, 2021 at 03:21:46PM +0530, Vivek Gautam wrote:
Once the page faults are handled, the response has to be sent to
virtio-iommu backend, from where it can be sent to the host to
prepare the response to a generated io page
On 9/21/21 9:29 PM, Jean-Philippe Brucker wrote:
On Fri, Apr 23, 2021 at 03:21:38PM +0530, Vivek Gautam wrote:
Keeping a record of list of endpoints that are served by the virtio-iommu
device would help in redirecting the requests of page faults to the
correct endpoint device to handle such
Hi Jean,
On 9/21/21 9:28 PM, Jean-Philippe Brucker wrote:
Hi Vivek,
Thanks a lot for your work on this
Thanks a lot for taking a look at it. I hope that most of the changes in
this series and the nested page table series [1] are independent of the
presently on-going /dev/iommu proposal,
Hi Eric,
On 4/11/21 4:42 PM, Eric Auger wrote:
SMMUv3 Nested Stage Setup (IOMMU part)
[snip]
Eric Auger (12):
iommu: Introduce attach/detach_pasid_table API
iommu: Introduce bind/unbind_guest_msi
iommu/smmuv3: Allow s1 and s2 configs to coexist
iommu/smmuv3: Get prepared for
On 3/29/21 9:53 PM, Jean-Philippe Brucker wrote:
On Fri, Mar 12, 2021 at 06:39:05PM +0530, Vivek Kumar Gautam wrote:
To complete the page request we would also need to send the response back to
the host from virtio backend when handling page request. So the virtio
command should also
On 3/3/21 10:55 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:40PM +0530, Vivek Gautam wrote:
[...]
+static int viommu_setup_pgtable(struct viommu_endpoint *vdev,
+ struct viommu_domain *vdomain)
+{
+ int ret, id;
+ u32 asid;
+
On 3/3/21 10:55 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:42PM +0530, Vivek Gautam wrote:
Fault type information can tell about a page request fault or
an unreceoverable fault, and further additions to fault reasons
and the related PASID information can help in handling
On 3/3/21 10:51 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:36PM +0530, Vivek Gautam wrote:
Add info about asid_bits and additional flags to table format
probing header.
Signed-off-by: Vivek Gautam
Cc: Joerg Roedel
Cc: Will Deacon
Cc: Michael S. Tsirkin
Cc: Robin
On 3/3/21 10:48 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:35PM +0530, Vivek Gautam wrote:
aisd_bits data is required to prepare stage-1 tables for arm-smmu-v3.
Signed-off-by: Vivek Gautam
Cc: Joerg Roedel
Cc: Will Deacon
Cc: Robin Murphy
Cc: Jean-Philippe Brucker
On 3/3/21 10:47 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:33PM +0530, Vivek Gautam wrote:
From: Jean-Philippe Brucker
Add required UAPI defines for probing table format for underlying
iommu hardware. The device may provide information about hardware
tables and
On 3/3/21 10:45 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:32PM +0530, Vivek Gautam wrote:
Te change allows different consumers of arm-smmu-v3-cd-lib to set
their respective sync op for pasid entries.
Signed-off-by: Vivek Gautam
Cc: Joerg Roedel
Cc: Will Deacon
Cc:
Hi Jean,
On 3/3/21 10:41 PM, Jean-Philippe Brucker wrote:
Hi Vivek,
Thanks again for working on this. I have a few comments but it looks
sensible overall.
Thanks a lot for reviewing the patch-series. Please find my responses
inline below.
Regarding the overall design, I was initially
Hi Jean,
On 3/3/21 10:44 PM, Jean-Philippe Brucker wrote:
On Fri, Jan 15, 2021 at 05:43:31PM +0530, Vivek Gautam wrote:
Update base address information in vendor pasid table info to pass that
to user-space for stage1 table management.
Signed-off-by: Vivek Gautam
Cc: Joerg Roedel
Cc: Will
Hi Jacob, Kevin,
On 3/4/21 11:28 AM, Tian, Kevin wrote:
From: Jacob Pan
Sent: Thursday, March 4, 2021 2:29 AM
Hi Vivek,
On Fri, 15 Jan 2021 17:43:39 +0530, Vivek Gautam
wrote:
From: Jean-Philippe Brucker
Add support for tlb invalidation ops that can send invalidation
requests to
Hi Eric,
On 2/12/21 11:43 PM, Auger Eric wrote:
Hi Vivek,
On 2/12/21 11:58 AM, Vivek Gautam wrote:
Update nested domain information required for stage1 page table.
s/reuqired/required in the commit title
My bad! Will correct it.
Signed-off-by: Vivek Gautam
---
Hi Eric,
On 2/12/21 11:43 PM, Auger Eric wrote:
Hi Vivek,
On 2/12/21 11:58 AM, Vivek Gautam wrote:
Add a vendor specific structure for domain nesting info for
arm smmu-v3, and necessary info fields required to populate
stage1 page tables.
Signed-off-by: Vivek Gautam
---
Hi Eric,
On 2/12/21 3:48 PM, Vivek Kumar Gautam wrote:
Hi Eric,
On 2/12/21 3:27 PM, Auger Eric wrote:
Hi Vivek, Yi,
On 2/12/21 8:14 AM, Vivek Gautam wrote:
Hi Yi,
On Sat, Jan 23, 2021 at 2:29 PM Liu, Yi L wrote:
Hi Eric,
From: Auger Eric
Sent: Tuesday, January 19, 2021 6:03 PM
Hi
Hi Eric,
On 2/12/21 3:27 PM, Auger Eric wrote:
Hi Vivek, Yi,
On 2/12/21 8:14 AM, Vivek Gautam wrote:
Hi Yi,
On Sat, Jan 23, 2021 at 2:29 PM Liu, Yi L wrote:
Hi Eric,
From: Auger Eric
Sent: Tuesday, January 19, 2021 6:03 PM
Hi Yi, Vivek,
[...]
I see. I think there needs a change
Hi Shameer,
On 1/22/21 9:19 PM, Shameerali Kolothum Thodi wrote:
Hi Vivek,
-Original Message-
From: Vivek Kumar Gautam [mailto:vivek.gau...@arm.com]
Sent: 21 January 2021 17:34
To: Auger Eric ; linux-ker...@vger.kernel.org;
linux-arm-ker...@lists.infradead.org; iommu@lists.linux
Hi Eric,
On 1/19/21 2:33 PM, Auger Eric wrote:
Hi Vivek,
On 1/15/21 1:13 PM, Vivek Gautam wrote:
This patch-series aims at enabling Nested stage translation in guests
using virtio-iommu as the paravirtualized iommu. The backend is supported
with Arm SMMU-v3 that provides nested stage-1 and
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