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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2023-09-21 09:21:44 +0000 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-09-25 12:39:05 +0200 |
| commit | 739eb25514c90aa8ea053ed4d2b971f531e63ded (patch) | |
| tree | a3c4714f9728d71af64032b9515104a4c9379e1f /drivers/fpga/versal-fpga.c | |
| parent | b0cc5dae1ac0c18748706a4beb636e3b726dd744 (diff) | |
iommu/amd: Introduce iommu_dev_data.ppr
For AMD IOMMU, the PPR feature is needed to support IO page fault (IOPF).
PPR is enabled per PCI end-point device, and is configured by the PPR bit
in the IOMMU device table entry (i.e DTE[PPR]).
Introducing struct iommu_dev_data.ppr track PPR setting for each device.
Also iommu_dev_data.ppr will be set only when IOMMU supports PPR. Hence
remove redundant feature support check in set_dte_entry().
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Co-developed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20230921092147.5930-12-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/fpga/versal-fpga.c')
0 files changed, 0 insertions, 0 deletions