From: Nicolin Chen <nicolinc@nvidia.com>
To: Michael Shavit <mshavit@google.com>
Cc: Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
"Joerg Roedel" <joro@8bytes.org>, <jean-philippe@linaro.org>,
<jgg@nvidia.com>, <baolu.lu@linux.intel.com>,
<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 09/13] iommu/arm-smmu-v3: Implement set_dev_pasid
Date: Thu, 22 Jun 2023 17:32:01 -0700 [thread overview]
Message-ID: <ZJToAfeKg8FF1sZL@Asurada-Nvidia> (raw)
In-Reply-To: <20230621063825.268890-10-mshavit@google.com>
Hi Michael,
On Wed, Jun 21, 2023 at 02:37:21PM +0800, Michael Shavit wrote:
>
> This change enables the use of the iommu_attach_dev_pasid API for
> UNMANAGED domains. The primary use-case is to allow in-kernel users of
> the iommu API to manage domains with PASID. This change also allows for
> future support of pasid in the DMA api.
Would you please elaborate a bit more for the use case of
allowing that? And which test configuration do you cover
using smmute? Would you mind sharing your test commands?
I have run a sanity with this series using an SVA domain
with a real master. It seems to be fine.
Thanks
Nicolin
WARNING: multiple messages have this Message-ID (diff)
From: Nicolin Chen <nicolinc@nvidia.com>
To: Michael Shavit <mshavit@google.com>
Cc: Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
"Joerg Roedel" <joro@8bytes.org>, <jean-philippe@linaro.org>,
<jgg@nvidia.com>, <baolu.lu@linux.intel.com>,
<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 09/13] iommu/arm-smmu-v3: Implement set_dev_pasid
Date: Thu, 22 Jun 2023 17:32:01 -0700 [thread overview]
Message-ID: <ZJToAfeKg8FF1sZL@Asurada-Nvidia> (raw)
In-Reply-To: <20230621063825.268890-10-mshavit@google.com>
Hi Michael,
On Wed, Jun 21, 2023 at 02:37:21PM +0800, Michael Shavit wrote:
>
> This change enables the use of the iommu_attach_dev_pasid API for
> UNMANAGED domains. The primary use-case is to allow in-kernel users of
> the iommu API to manage domains with PASID. This change also allows for
> future support of pasid in the DMA api.
Would you please elaborate a bit more for the use case of
allowing that? And which test configuration do you cover
using smmute? Would you mind sharing your test commands?
I have run a sanity with this series using an SVA domain
with a real master. It seems to be fine.
Thanks
Nicolin
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next prev parent reply other threads:[~2023-06-23 0:32 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-21 6:37 [PATCH v4 00/13] Add PASID support to SMMUv3 unmanaged domains Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 01/13] iommu/arm-smmu-v3: Move ctx_desc out of s1_cfg Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 02/13] iommu/arm-smmu-v3: Add smmu_s1_cfg to smmu_master Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-07-13 1:22 ` Nicolin Chen
2023-07-13 1:22 ` Nicolin Chen
2023-07-13 8:34 ` Michael Shavit
2023-07-13 8:34 ` Michael Shavit
2023-07-13 14:29 ` Jason Gunthorpe
2023-07-13 14:29 ` Jason Gunthorpe
2023-07-13 16:16 ` Michael Shavit
2023-07-13 16:16 ` Michael Shavit
2023-07-13 16:34 ` Michael Shavit
2023-07-13 16:34 ` Michael Shavit
2023-07-13 16:41 ` Jason Gunthorpe
2023-07-13 16:41 ` Jason Gunthorpe
2023-07-13 19:54 ` Nicolin Chen
2023-07-13 19:54 ` Nicolin Chen
2023-07-13 23:48 ` Jason Gunthorpe
2023-07-13 23:48 ` Jason Gunthorpe
2023-07-14 1:14 ` Nicolin Chen
2023-07-14 1:14 ` Nicolin Chen
2023-07-14 1:14 ` Nicolin Chen
2023-07-14 9:12 ` Michael Shavit
2023-07-14 9:12 ` Michael Shavit
2023-07-14 11:58 ` Will Deacon
2023-07-14 11:58 ` Will Deacon
2023-07-14 12:50 ` Jason Gunthorpe
2023-07-14 12:50 ` Jason Gunthorpe
2023-07-14 8:02 ` Michael Shavit
2023-07-14 8:02 ` Michael Shavit
2023-07-14 13:21 ` Jason Gunthorpe
2023-07-14 13:21 ` Jason Gunthorpe
2023-07-17 10:06 ` Michael Shavit
2023-07-17 10:06 ` Michael Shavit
2023-07-17 12:29 ` Jason Gunthorpe
2023-07-17 12:29 ` Jason Gunthorpe
2023-07-18 8:56 ` Michael Shavit
2023-07-18 8:56 ` Michael Shavit
2023-07-27 11:22 ` Michael Shavit
2023-07-27 11:22 ` Michael Shavit
2023-07-27 11:54 ` Jason Gunthorpe
2023-07-27 11:54 ` Jason Gunthorpe
2023-07-27 14:04 ` Michael Shavit
2023-07-27 14:04 ` Michael Shavit
2023-07-27 14:21 ` Jason Gunthorpe
2023-07-27 14:21 ` Jason Gunthorpe
2023-06-21 6:37 ` [PATCH v4 03/13] iommu/arm-smmu-v3: Refactor write_strtab_ent Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-07-13 1:41 ` Nicolin Chen
2023-07-13 1:41 ` Nicolin Chen
2023-06-21 6:37 ` [PATCH v4 04/13] iommu/arm-smmu-v3: Refactor write_ctx_desc Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 05/13] iommu/arm-smmu-v3: Use the master-owned s1_cfg Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-07-13 1:57 ` Nicolin Chen
2023-07-13 1:57 ` Nicolin Chen
2023-07-13 4:25 ` Nicolin Chen
2023-07-13 4:25 ` Nicolin Chen
2023-06-21 6:37 ` [PATCH v4 06/13] iommu/arm-smmu-v3: Simplify arm_smmu_enable_ats Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 07/13] iommu/arm-smmu-v3: Keep track of attached ssids Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-07-13 2:09 ` Nicolin Chen
2023-07-13 2:09 ` Nicolin Chen
2023-07-21 6:48 ` Michael Shavit
2023-07-21 6:48 ` Michael Shavit
2023-07-27 4:44 ` Nicolin Chen
2023-07-27 4:44 ` Nicolin Chen
2023-07-13 4:45 ` Nicolin Chen
2023-07-13 4:45 ` Nicolin Chen
2023-07-14 9:30 ` Michael Shavit
2023-07-14 9:30 ` Michael Shavit
2023-07-15 0:35 ` Nicolin Chen
2023-07-15 0:35 ` Nicolin Chen
2023-07-15 0:35 ` Nicolin Chen
2023-07-18 8:51 ` Michael Shavit
2023-07-18 8:51 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 08/13] iommu/arm-smmu-v3: Add helper for atc invalidation Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 09/13] iommu/arm-smmu-v3: Implement set_dev_pasid Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-23 0:32 ` Nicolin Chen [this message]
2023-06-23 0:32 ` Nicolin Chen
2023-06-26 2:33 ` Michael Shavit
2023-06-26 2:33 ` Michael Shavit
2023-06-26 18:14 ` Nicolin Chen
2023-06-26 18:14 ` Nicolin Chen
2023-06-28 13:36 ` Michael Shavit
2023-06-28 13:36 ` Michael Shavit
2023-07-13 8:44 ` Michael Shavit
2023-07-13 8:44 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 10/13] iommu/arm-smmu-v3-sva: Remove bond refcount Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 11/13] iommu/arm-smmu-v3-sva: Clean unused iommu_sva Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 12/13] iommu/arm-smmu-v3-sva: Remove arm_smmu_bond Michael Shavit
2023-06-21 6:37 ` Michael Shavit
2023-07-13 8:41 ` Michael Shavit
2023-07-13 8:41 ` Michael Shavit
2023-06-21 6:37 ` [PATCH v4 13/13] iommu/arm-smmu-v3-sva: Add check when enabling sva Michael Shavit
2023-06-21 6:37 ` Michael Shavit
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