linux-kernel - RE: [PATCH v6 13/14] iommu/arm-smmu-v3: Report events that belong to devices attached to vIOMMU

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Message-ID: <BN9PR11MB5276BCB2CCCD1A1A2C990A2E8CFA2@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Tue, 18 Feb 2025 05:21:29 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Nicolin Chen <nicolinc@...dia.com>, "jgg@...dia.com" <jgg@...dia.com>,
	"corbet@....net" <corbet@....net>, "will@...nel.org" <will@...nel.org>
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	<linux-kernel@...r.kernel.org>, "iommu@...ts.linux.dev"
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	<yi.l.liu@...el.com>, "patches@...ts.linux.dev" <patches@...ts.linux.dev>
Subject: RE: [PATCH v6 13/14] iommu/arm-smmu-v3: Report events that belong to
 devices attached to vIOMMU

> From: Nicolin Chen <nicolinc@...dia.com>
> Sent: Saturday, January 25, 2025 8:31 AM
> 
> Aside from the IOPF framework, iommufd provides an additional pathway to
> report hardware events, via the vEVENTQ of vIOMMU infrastructure.
> 
> Define an iommu_vevent_arm_smmuv3 uAPI structure, and report stage-1
> events
> in the threaded IRQ handler.
> 
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>

Reviewed-by: Kevin Tian <kevin.tian@...el.com>