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From: Nicolin Chen <nicolinc@nvidia.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: <will@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>,
	<jgg@nvidia.com>, <thierry.reding@gmail.com>, <vdumpa@nvidia.com>,
	<jonathanh@nvidia.com>, <linux-kernel@vger.kernel.org>,
	<iommu@lists.linux.dev>, <linux-arm-kernel@lists.infradead.org>,
	<linux-tegra@vger.kernel.org>
Subject: Re: [PATCH v9 0/6] Add Tegra241 (Grace) CMDQV Support (part 1/2)
Date: Fri, 28 Jun 2024 14:29:47 -0700	[thread overview]
Message-ID: <Zn8rSzCVoVBYTf8R@Asurada-Nvidia> (raw)
In-Reply-To: <ZnXBrhcaiHqV9sn2@duo.ucw.cz>

On Fri, Jun 28, 2024 at 09:26:00PM +0200, Pavel Machek wrote:
> Hi!
> 
> > NVIDIA's Tegra241 (Grace) SoC has a CMDQ-Virtualization (CMDQV) hardware
> > that extends standard ARM SMMUv3 to support multiple command queues with
> > virtualization capabilities. Though this is similar to the ECMDQ in SMMU
> > v3.3, CMDQV provides additional Virtual Interfaces (VINTFs) allowing VMs
> > to have their own VINTFs and Virtual Command Queues (VCMDQs). The VCMDQs
> > can only execute a limited set of commands, mainly invalidation commands
> > when exclusively used by the VMs, compared to the standard SMMUv3 CMDQ.
> 
> Text is block-aligned without duplicated spaces. How did you do
> that...?

By OCD? Nothing fancy :)

Thanks
Nicolin

      reply	other threads:[~2024-06-28 21:30 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-12 21:45 [PATCH v9 0/6] Add Tegra241 (Grace) CMDQV Support (part 1/2) Nicolin Chen
2024-06-12 21:45 ` [PATCH v9 1/6] iommu/arm-smmu-v3: Make symbols public for CONFIG_TEGRA241_CMDQV Nicolin Chen
2024-06-12 21:45 ` [PATCH v9 2/6] iommu/arm-smmu-v3: Issue a batch of commands to the same cmdq Nicolin Chen
2024-06-12 21:45 ` [PATCH v9 3/6] iommu/arm-smmu-v3: Enforce arm_smmu_cmdq_build_sync_cmd Nicolin Chen
2024-06-12 21:45 ` [PATCH v9 4/6] iommu/arm-smmu-v3: Add CS_NONE quirk for CONFIG_TEGRA241_CMDQV Nicolin Chen
2024-07-02 17:43   ` Will Deacon
2024-07-02 18:19     ` Nicolin Chen
2024-07-02 18:49       ` Will Deacon
2024-07-02 19:47         ` Nicolin Chen
2024-07-02 20:10           ` Nicolin Chen
2024-07-05 15:27             ` Will Deacon
2024-07-05 18:10               ` Nicolin Chen
2024-07-06  0:32                 ` Nicolin Chen
2024-07-08 11:31                   ` Will Deacon
2024-07-08 18:02                     ` Nicolin Chen
2024-07-08 11:29                 ` Will Deacon
2024-07-08 11:43                   ` Will Deacon
2024-07-08 18:05                     ` Nicolin Chen
2024-07-08 17:59                   ` Nicolin Chen
2024-07-09 18:29                     ` Nicolin Chen
2024-06-12 21:45 ` [PATCH v9 5/6] iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV Nicolin Chen
2024-07-02 17:41   ` Will Deacon
2024-07-02 19:23     ` Nicolin Chen
2024-06-12 21:45 ` [PATCH v9 6/6] iommu/tegra241-cmdqv: Limit CMDs for guest owned VINTF Nicolin Chen
2024-06-28 19:26 ` [PATCH v9 0/6] Add Tegra241 (Grace) CMDQV Support (part 1/2) Pavel Machek
2024-06-28 21:29   ` Nicolin Chen [this message]

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