From: Vivek Kumar Gautam <vivek.gautam@arm.com>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: kevin.tian@intel.com, alex.williamson@redhat.com, mst@redhat.com,
will.deacon@arm.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
iommu@lists.linux-foundation.org, robin.murphy@arm.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC v1 08/15] iommu: Add asid_bits to arm smmu-v3 stage1 table info
Date: Fri, 12 Mar 2021 18:27:18 +0530 [thread overview]
Message-ID: <c705cf54-39ed-0b66-e02c-32969d061b16@arm.com> (raw)
In-Reply-To: <YD/E+XASgn9PL9HM@myrica>
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 <vivek.gautam@arm.com>
>> Cc: Joerg Roedel <joro@8bytes.org>
>> Cc: Will Deacon <will.deacon@arm.com>
>> Cc: Robin Murphy <robin.murphy@arm.com>
>> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>
>> Cc: Eric Auger <eric.auger@redhat.com>
>> Cc: Alex Williamson <alex.williamson@redhat.com>
>> Cc: Kevin Tian <kevin.tian@intel.com>
>> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
>> Cc: Liu Yi L <yi.l.liu@intel.com>
>> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
>> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
>> ---
>> include/uapi/linux/iommu.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
>> index 082d758dd016..96abbfc7c643 100644
>> --- a/include/uapi/linux/iommu.h
>> +++ b/include/uapi/linux/iommu.h
>> @@ -357,7 +357,7 @@ struct iommu_pasid_smmuv3 {
>> __u32 version;
>> __u8 s1fmt;
>> __u8 s1dss;
>> - __u8 padding[2];
>> + __u16 asid_bits;
>
> Is this used anywhere? This struct is passed from host userspace to host
> kernel to attach the PASID table, so I don't think it needs an asid_bits
> field.
Yea, must have missed removing it from the WIP work. Will remove it.
Thanks
Vivek
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-03-12 12:57 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 12:13 [PATCH RFC v1 00/15] iommu/virtio: Nested stage support with Arm Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 01/15] iommu/arm-smmu-v3: Create a Context Descriptor library Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 02/15] iommu: Add a simple PASID table library Vivek Gautam
2021-03-03 17:11 ` Jean-Philippe Brucker
2021-03-12 12:47 ` Vivek Kumar Gautam
2021-03-29 16:25 ` Jean-Philippe Brucker
2021-01-15 12:13 ` [PATCH RFC v1 03/15] iommu/arm-smmu-v3: Update drivers to work with iommu-pasid-table Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 04/15] iommu/arm-smmu-v3: Update CD base address info for user-space Vivek Gautam
2021-03-03 17:14 ` Jean-Philippe Brucker
2021-03-12 12:31 ` Vivek Kumar Gautam
2021-01-15 12:13 ` [PATCH RFC v1 05/15] iommu/arm-smmu-v3: Set sync op from consumer driver of cd-lib Vivek Gautam
2021-03-03 17:15 ` Jean-Philippe Brucker
2021-03-12 12:49 ` Vivek Kumar Gautam
2021-01-15 12:13 ` [PATCH RFC v1 06/15] iommu/virtio: Add headers for table format probing Vivek Gautam
2021-03-03 17:17 ` Jean-Philippe Brucker
2021-03-12 12:54 ` Vivek Kumar Gautam
2021-01-15 12:13 ` [PATCH RFC v1 07/15] iommu/virtio: Add " Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 08/15] iommu: Add asid_bits to arm smmu-v3 stage1 table info Vivek Gautam
2021-03-03 17:18 ` Jean-Philippe Brucker
2021-03-12 12:57 ` Vivek Kumar Gautam [this message]
2021-01-15 12:13 ` [PATCH RFC v1 09/15] iommu/virtio: Update table format probing header Vivek Gautam
2021-03-03 17:21 ` Jean-Philippe Brucker
2021-03-12 12:58 ` Vivek Kumar Gautam
2021-01-15 12:13 ` [PATCH RFC v1 10/15] iommu/virtio: Prepare to add attach pasid table infrastructure Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 11/15] iommu/virtio: Add headers for binding pasid table in iommu Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 12/15] iommu/virtio: Add support for INVALIDATE request Vivek Gautam
2021-03-03 18:28 ` Jacob Pan
2021-03-04 5:58 ` Tian, Kevin
2021-03-04 6:16 ` Vivek Kumar Gautam
2021-01-15 12:13 ` [PATCH RFC v1 13/15] iommu/virtio: Attach Arm PASID tables when available Vivek Gautam
2021-03-03 17:25 ` Jean-Philippe Brucker
2021-03-12 13:29 ` Vivek Kumar Gautam
2021-03-29 16:21 ` Jean-Philippe Brucker
2021-01-15 12:13 ` [PATCH RFC v1 14/15] iommu/virtio: Add support for Arm LPAE page table format Vivek Gautam
2021-01-15 12:13 ` [PATCH RFC v1 15/15] iommu/virtio: Update fault type and reason info for viommu fault Vivek Gautam
2021-03-03 17:25 ` Jean-Philippe Brucker
2021-03-12 13:09 ` Vivek Kumar Gautam
2021-03-29 16:23 ` Jean-Philippe Brucker
2021-04-06 6:24 ` Vivek Kumar Gautam
2021-01-19 9:03 ` [PATCH RFC v1 00/15] iommu/virtio: Nested stage support with Arm Auger Eric
2021-01-21 17:34 ` Vivek Kumar Gautam
2021-01-22 15:49 ` Shameerali Kolothum Thodi
2021-01-25 12:55 ` Vivek Kumar Gautam
2021-01-25 8:43 ` Auger Eric
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=c705cf54-39ed-0b66-e02c-32969d061b16@arm.com \
--to=vivek.gautam@arm.com \
--cc=alex.williamson@redhat.com \
--cc=iommu@lists.linux-foundation.org \
--cc=jean-philippe@linaro.org \
--cc=kevin.tian@intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mst@redhat.com \
--cc=robin.murphy@arm.com \
--cc=virtualization@lists.linux-foundation.org \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).