iommu/amd: Introduce per PCI segment rlookup table

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This will replace global rlookup table (amd_iommu_rlookup_table).
Add helper functions to set/get rlookup table for the given device.
Also add macros to get seg/devid from sbdf.

Co-developed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20220706113825.25582-5-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Suravee Suthikulpanit 2022-07-06 17:07:54 +05:30 • committed by Joerg Roedel

parent 04230c1199

commit eda797a277

4 changed files with 79 additions and 0 deletions

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1

drivers/iommu/amd/amd_iommu.h

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11

drivers/iommu/amd/amd_iommu_types.h

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23

drivers/iommu/amd/init.c

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44

drivers/iommu/amd/iommu.c

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