OSDN Git Service

powerpc/iommu/debug: Add debugfs entries for IOMMU tables
authorAlexey Kardashevskiy <aik@ozlabs.ru>
Wed, 13 Jan 2021 10:20:14 +0000 (21:20 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Sat, 30 Jan 2021 00:39:31 +0000 (11:39 +1100)
commit691602aab9c3cce31d3ff9529c09b7922a5f6224
tree0ff93cb3c266f5678907056a9ced3e79b7c771f8
parent22f1de2e13b066921dedf6a00d2cc414f3cbab05
powerpc/iommu/debug: Add debugfs entries for IOMMU tables

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
arch/powerpc/kernel/iommu.c