linux-kernel - Re: [PATCH v5 29/29] iommu/tegra241-cmdqv: Add IOMMU_VEVENTQ_TYPE_TEGRA241

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Message-ID: <20250530170956.GL233377@nvidia.com>
Date: Fri, 30 May 2025 14:09:56 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: kevin.tian@...el.com, corbet@....net, will@...nel.org,
	bagasdotme@...il.com, robin.murphy@....com, joro@...tes.org,
	thierry.reding@...il.com, vdumpa@...dia.com, jonathanh@...dia.com,
	shuah@...nel.org, jsnitsel@...hat.com, nathan@...nel.org,
	peterz@...radead.org, yi.l.liu@...el.com, mshavit@...gle.com,
	praan@...gle.com, zhangzekun11@...wei.com, iommu@...ts.linux.dev,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
	linux-kselftest@...r.kernel.org, patches@...ts.linux.dev,
	mochs@...dia.com, alok.a.tiwari@...cle.com, vasant.hegde@....com,
	dwmw2@...radead.org, baolu.lu@...ux.intel.com
Subject: Re: [PATCH v5 29/29] iommu/tegra241-cmdqv: Add
 IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV support

On Sat, May 17, 2025 at 08:21:46PM -0700, Nicolin Chen wrote:
> Add a new vEVENTQ type for VINTFs that are assigned to the user space.
> Simply report the two 64-bit LVCMDQ_ERR_MAPs register values.
> 
> Reviewed-by: Alok Tiwari <alok.a.tiwari@...cle.com>
> Reviewed-by: Pranjal Shrivastava <praan@...gle.com>
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
> ---
>  include/uapi/linux/iommufd.h                  | 15 +++++++++++++
>  .../iommu/arm/arm-smmu-v3/tegra241-cmdqv.c    | 22 +++++++++++++++++++
>  2 files changed, 37 insertions(+)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason