From: Jason Gunthorpe <jgg@ziepe.ca>
To: Yi Liu <yi.l.liu@intel.com>
Cc: Vasant Hegde <vasant.hegde@amd.com>,
Joerg Roedel <joro@8bytes.org>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Baolu Lu <baolu.lu@linux.intel.com>
Subject: Re: [RFC] iommu_ops->domain_alloc_paging() enhancement to support AMD IOMMU driver
Date: Tue, 16 Jul 2024 10:41:35 -0300 [thread overview]
Message-ID: <20240716134135.GG14050@ziepe.ca> (raw)
In-Reply-To: <85821ad4-5fe8-44d7-ae8b-4bf13e960c81@intel.com>
On Tue, Jul 16, 2024 at 03:43:35PM +0800, Yi Liu wrote:
> > Right. My understanding is with vfio IOMMU we will not support PASID. SO it
> > should be fine.
>
> then you only need to take good care of the iommufd hwpt allocation uapi,
> and the domain_alloc_user() callback to achieve your goal of this thread.
> Anyhow, I'll still loop you in my pasid series in case anything missed
> here. :)
Right, Yi's series to add PASID support to VFIO is the primary issue
here, that has to be done in some way to accommodate this AMD
situation.
Jason
prev parent reply other threads:[~2024-07-16 13:41 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-28 6:43 [RFC] iommu_ops->domain_alloc_paging() enhancement to support AMD IOMMU driver Vasant Hegde
2024-06-28 12:23 ` Baolu Lu
2024-06-28 13:06 ` Robin Murphy
2024-06-28 17:08 ` Vasant Hegde
2024-06-28 17:58 ` Robin Murphy
2024-07-01 10:28 ` Vasant Hegde
2024-06-28 14:50 ` Vasant Hegde
2024-06-28 15:34 ` Jason Gunthorpe
2024-06-28 13:03 ` Jason Gunthorpe
2024-06-28 17:49 ` Vasant Hegde
2024-06-28 18:04 ` Jason Gunthorpe
2024-07-01 10:48 ` Vasant Hegde
2024-07-01 17:26 ` Jason Gunthorpe
2024-07-03 5:42 ` Vasant Hegde
2024-07-03 6:57 ` Yi Liu
2024-07-09 18:23 ` Jason Gunthorpe
2024-07-10 4:17 ` Yi Liu
2024-07-11 23:49 ` Jason Gunthorpe
2024-07-12 13:40 ` Robin Murphy
2024-07-12 13:53 ` Jason Gunthorpe
2024-07-12 15:12 ` Robin Murphy
2024-07-12 15:19 ` Jason Gunthorpe
2024-07-15 8:46 ` Yi Liu
2024-07-11 10:15 ` Vasant Hegde
2024-07-11 13:56 ` Yi Liu
2024-07-12 1:39 ` Baolu Lu
2024-07-12 2:43 ` Yi Liu
2024-07-15 10:39 ` Vasant Hegde
2024-07-16 7:43 ` Yi Liu
2024-07-16 13:41 ` Jason Gunthorpe [this message]
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