powernv/pci: Add a debugfs entry to dump PHB's IODA PE state

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Add a debugfs entry to dump the state of the active IODA PEs. The IODA
PE state reflects how the PHB's internal concept of a PE is
configured. This is separate to the EEH PE state and is managed power
the PowerNV PCI backend rather than the EEH core.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[mpe: Use DEFINE_DEBUGFS_ATTRIBUTE]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190912052945.12589-3-oohall@gmail.com

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Oliver O'Halloran 2019-09-12 15:29:45 +10:00 • committed by Michael Ellerman

parent c13a17b73e

commit 18697d2b08

1 changed files with 29 additions and 0 deletions

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arch/powerpc/platforms/powernv/pci-ioda.c

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