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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)
commit44b42d74232160a7e7b554e050ed9b2dea4f62fe
tree1201546ed769aa874ddfc42d3ed046ee3a4359e2tree | snapshot
parentbd8b68a63a78646b07c6cca4899f427cfeb3894acommit | 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
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