Messages in this thread | | | Subject | Re: [PATCH v12 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE | From | Zenghui Yu <> | Date | Wed, 7 Apr 2021 17:33:23 +0800 |
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Hi Eric,
On 2021/2/24 5:06, Eric Auger wrote: > +/* > + * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18, > + * struct vfio_iommu_type1_set_pasid_table) > + * > + * The SET operation passes a PASID table to the host while the > + * UNSET operation detaches the one currently programmed. Setting > + * a table while another is already programmed replaces the old table.
It looks to me that this description doesn't match the IOMMU part.
[v14,05/13] iommu/smmuv3: Implement attach/detach_pasid_table
| case IOMMU_PASID_CONFIG_TRANSLATE: | /* we do not support S1 <-> S1 transitions */ | if (smmu_domain->s1_cfg.set) | goto out;
Maybe I've misread something?
Thanks, Zenghui
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