Messages in this thread | | | Date | Fri, 5 Jan 2024 20:39:56 +0700 | Subject | Re: [RFC PATCH 3/6] iommu/amd: Introduce Guest-ID struct amd_iommu_vminfo | From | "Suthikulpanit, Suravee" <> |
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Hi Kevin
On 12/15/2023 2:35 PM, Tian, Kevin wrote: >> From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> >> Sent: Wednesday, December 13, 2023 12:02 AM >> >> AMD HW-vIOMMU feature requires IOMMU driver to specify a unique 16-bit >> Guest ID (GID) for each VM. This ID is used to index into various >> data structures for configuring the hardware. >> >> Introduce amd_iommu_vminfo_hash hashtable to store per-vm >> configuration, >> which uses 16-bit GID as a hash key along with helper functions. >> > > somehow it's unclear to me whether this series is only for hw > supporting vf or broader hw supporting nested capability. for > the latter case is GID still necessary?
I am restructuring the series and might be moving GID stuff until later when introduce broader hw support for AMD vIOMMU.
Suravee
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