From: "Tian, Kevin" <kevin.tian@intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
Jason Gunthorpe <jgg@nvidia.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
Jean-Philippe Brucker <jean-philippe@linaro.com>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
"vkoul@kernel.org" <vkoul@kernel.org>
Cc: Will Deacon <will@kernel.org>,
David Woodhouse <dwmw2@infradead.org>,
"Raj, Ashok" <ashok.raj@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"Jiang, Dave" <dave.jiang@intel.com>,
"Luck, Tony" <tony.luck@intel.com>,
"Zanussi, Tom" <tom.zanussi@intel.com>,
"Zhang, Rex" <rex.zhang@intel.com>,
"Shen, Xiaochen" <xiaochen.shen@intel.com>,
"Ranganathan, Narayan" <narayan.ranganathan@intel.com>
Subject: RE: [PATCH v8 3/7] iommu/vt-d: Add domain_flush_pasid_iotlb()
Date: Wed, 14 Jun 2023 08:16:01 +0000 [thread overview]
Message-ID: <BN9PR11MB52761AA7A9D1CED09E7D31408C5AA@BN9PR11MB5276.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20230602182212.150825-4-jacob.jun.pan@linux.intel.com>
> From: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Sent: Saturday, June 3, 2023 2:22 AM
>
> From: Lu Baolu <baolu.lu@linux.intel.com>
>
> The VT-d spec requires to use PASID-based-IOTLB invalidation descriptor
> to invalidate IOTLB and the paging-structure caches for a first-stage
> page table. Add a generic helper to do this.
>
> RID2PASID is used if the domain has been attached to a physical device,
> otherwise real PASIDs that the domain has been attached to will be used.
>
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
next prev parent reply other threads:[~2023-06-14 8:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-02 18:22 [PATCH v8 0/7] Re-enable IDXD kernel workqueue under DMA API Jacob Pan
2023-06-02 18:22 ` [PATCH v8 1/7] iommu: Generalize PASID 0 for normal DMA w/o PASID Jacob Pan
2023-06-02 18:22 ` [PATCH v8 2/7] iommu: Move global PASID allocation from SVA to core Jacob Pan
2023-06-10 12:13 ` Baolu Lu
2023-06-13 3:06 ` Baolu Lu
2023-06-14 17:19 ` Jacob Pan
2023-07-11 14:32 ` Jacob Pan
2023-06-02 18:22 ` [PATCH v8 3/7] iommu/vt-d: Add domain_flush_pasid_iotlb() Jacob Pan
2023-06-14 8:16 ` Tian, Kevin [this message]
2023-06-02 18:22 ` [PATCH v8 4/7] iommu/vt-d: Remove pasid_mutex Jacob Pan
2023-06-14 8:18 ` Tian, Kevin
2023-06-02 18:22 ` [PATCH v8 5/7] iommu/vt-d: Make prq draining code generic Jacob Pan
2023-06-02 18:22 ` [PATCH v8 6/7] iommu/vt-d: Add set_dev_pasid callback for dma domain Jacob Pan
2023-06-02 18:22 ` [PATCH v8 7/7] dmaengine/idxd: Re-enable kernel workqueue under DMA API Jacob Pan
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