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(parent: 2d9206b) | patch
powerpc/pseries/iommu: Print ibm,query-pe-dma-windows parameters
authorAlexey Kardashevskiy <aik@ozlabs.ru>
Wed, 1 Jun 2022 04:01:17 +0000 (14:01 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 29 Jun 2022 09:41:00 +0000 (19:41 +1000)
commita28a2eff1e0ff684f51b3dc6371ff5b651a063d4
tree1201546ed769aa874ddfc42d3ed046ee3a4359e2tree | snapshot
parent2d9206b227434912582049c49af1085660fa1e50commit | diff
powerpc/pseries/iommu: Print ibm,query-pe-dma-windows parameters

PowerVM has a stricter policy about allocating TCEs for LPARs and
often there is not enough TCEs for 1:1 mapping, this adds the supported
numbers into dev_info() to help analyzing bugreports.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220601040117.1467710-1-aik@ozlabs.ru
arch/powerpc/platforms/pseries/iommu.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git