powerpc/iommu/debug: Add debugfs entries for IOMMU tables

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This adds a folder per LIOBN under /sys/kernel/debug/iommu with IOMMU
table parameters.

This is enabled by CONFIG_IOMMU_DEBUGFS.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210113102014.124452-1-aik@ozlabs.ru

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Alexey Kardashevskiy 2021-01-13 21:20:14 +11:00 • committed by Michael Ellerman

parent 22f1de2e13

commit 691602aab9

1 changed files with 46 additions and 0 deletions

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arch/powerpc/kernel/iommu.c

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