Messages in this thread | ![/](/images/icornerl.gif) | | From | Andy Lutomirski <> | Date | Wed, 17 Jun 2020 13:04:25 -0700 | Subject | Re: [PATCH v3 01/13] iommu: Change type of pasid to unsigned int |
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On Wed, Jun 17, 2020 at 12:39 PM Luck, Tony <tony.luck@intel.com> wrote: > > > Is PASID in the uapi at all? > > > $ grep pasid include/uapi/linux/iommu.h > * @pasid: Process Address Space ID > __u32 pasid; > * @pasid: Process Address Space ID > __u32 pasid; > * @pasid: Process Address Space ID > __u32 pasid; > * - If the PASID bit is set, the @pasid field is populated and the invalidation > * @pasid: process address space ID > __u64 pasid; > * struct iommu_inv_pasid_info - PASID Selective Invalidation Structure > * - If the PASID bit is set, the @pasid field is populated and the invalidation > * @pasid: process address space ID > struct iommu_inv_pasid_info { > __u64 pasid; > * @pasid_info: invalidation data when @granularity is %IOMMU_INV_GRANU_PASID > struct iommu_inv_pasid_info pasid_info; > * struct iommu_gpasid_bind_data_vtd - Intel VT-d specific data on device and guest > struct iommu_gpasid_bind_data_vtd { > * struct iommu_gpasid_bind_data - Information about device and guest PASID binding > * @hpasid: Process address space ID used for the guest mm in host IOMMU > * @gpasid: Process address space ID used for the guest mm in guest IOMMU > struct iommu_gpasid_bind_data { > __u64 hpasid; > __u64 gpasid; > struct iommu_gpasid_bind_data_vtd vtd;
Aha. I guess this is considerably older than I thought.
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