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From: Jason Gunthorpe <jgg@nvidia.com>
To: Jacob Pan <jacob.pan@linux.microsoft.com>
Cc: iommu@lists.linux.dev,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	Joerg Roedel <joro@8bytes.org>,
	Robin Murphy <robin.murphy@arm.com>,
	virtualization@lists.linux.dev, Will Deacon <will@kernel.org>,
	Eric Auger <eric.auger@redhat.com>,
	patches@lists.linux.dev
Subject: Re: [PATCH 3/5] iommu/virtio: Move to domain_alloc_paging()
Date: Wed, 12 Feb 2025 19:30:53 -0400	[thread overview]
Message-ID: <20250212233053.GV3754072@nvidia.com> (raw)
In-Reply-To: <20250212112235.714b0a14@DESKTOP-0403QTC.>

On Wed, Feb 12, 2025 at 11:22:35AM -0800, Jacob Pan wrote:

> Do you foresee the implementation can leverage your generic iommu_pt
> work? i.e. for building guest IO page tables. It will add a new flavor
> (page table based in addition to map/unmap) to
> viommu_domain_alloc_paging() i think.

Yes I do, I think it should be no problem and it will bring the
missing x86 formats that are currently not available in iopgtbl
wrappers.

I'm working toward getting a cut back AMD only series ready to post,
the other series on the iommu-pages should be the last preperation
work.

Certainly I would be happy to help you get it implemented if that is
your interest.

Thanks,
Jason

  reply	other threads:[~2025-02-12 23:30 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-07 14:46 [PATCH 0/5] Convert virtio-iommu to domain_alloc_paging() Jason Gunthorpe
2025-02-07 14:46 ` [PATCH 1/5] iommu/virtio: Break out bypass identity support into a global static Jason Gunthorpe
2025-02-12  0:43   ` Jacob Pan
2025-02-18 18:21     ` Jason Gunthorpe
2025-02-21 11:35   ` Jean-Philippe Brucker
2025-02-24 19:37     ` Jason Gunthorpe
2025-02-07 14:46 ` [PATCH 2/5] iommu: Add domain_alloc_identity() Jason Gunthorpe
2025-02-12 13:56   ` Robin Murphy
2025-02-12 14:03     ` Jason Gunthorpe
2025-02-12 14:16       ` Robin Murphy
2025-02-12 14:45         ` Jason Gunthorpe
2025-02-07 14:46 ` [PATCH 3/5] iommu/virtio: Move to domain_alloc_paging() Jason Gunthorpe
2025-02-12 19:22   ` Jacob Pan
2025-02-12 23:30     ` Jason Gunthorpe [this message]
2025-02-13  5:47       ` Jacob Pan
2025-02-18 20:01         ` Jason Gunthorpe
     [not found]       ` <67ad876d.170a0220.3c21dc.85ceSMTPIN_ADDED_BROKEN@mx.google.com>
2025-02-13  9:46         ` Jean-Philippe Brucker
2025-02-13 17:03           ` Yu Zhang
2025-02-13 18:09             ` Jean-Philippe Brucker
2025-02-19  9:39               ` Yu Zhang
2025-02-19 10:35                 ` Jean-Philippe Brucker
2025-02-19 11:11                   ` Yu Zhang
2025-02-19 11:57                     ` Jean-Philippe Brucker
2025-02-19 13:10                   ` Yi Liu
2025-02-20  2:58                   ` Baolu Lu
2025-02-20  3:44                     ` Yu Zhang
2025-02-07 14:46 ` [PATCH 4/5] iommu: Do not call domain_alloc() in iommu_sva_domain_alloc() Jason Gunthorpe
2025-02-07 14:46 ` [PATCH 5/5] iommu: Hide ops.domain_alloc behind CONFIG_FSL_PAMU Jason Gunthorpe
2025-02-12  0:41 ` [PATCH 0/5] Convert virtio-iommu to domain_alloc_paging() Jacob Pan
2025-02-12 12:50   ` Jason Gunthorpe
2025-02-12 18:50     ` Jacob Pan
2025-02-12 20:10       ` Robin Murphy
2025-02-21 11:42     ` Jean-Philippe Brucker
2025-02-24 19:39       ` Jason Gunthorpe
     [not found] ` <67abee53.170a0220.154671.ae28SMTPIN_ADDED_BROKEN@mx.google.com>
2025-02-12 11:58   ` Jean-Philippe Brucker
2025-02-12 17:05     ` Jacob Pan
     [not found]     ` <67acd4e2.630a0220.365aab.e098SMTPIN_ADDED_BROKEN@mx.google.com>
2025-02-12 19:16       ` Jean-Philippe Brucker

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