[Skiboot] [PATCH v2 2/2] npu2: hw-procedures: Add check_credits procedure
stewart at linux.vnet.ibm.com
Wed Nov 22 14:37:32 AEDT 2017
Reza Arbab <arbab at linux.vnet.ibm.com> writes:
> As an immediate mitigator for a current hardware glitch, add a procedure
> that can be used to validate NTL credit values. This will be called as a
> safeguard to check that link training succeeded.
> Assert that things are exactly as we expect, because if they aren't, the
> system will experience a catastrophic failure shortly after the start of
> link traffic.
> Signed-off-by: Reza Arbab <arbab at linux.vnet.ibm.com>
> doc/nvlink.rst | 1 +
> hw/npu2-hw-procedures.c | 39 ++++++++++++++++++++++++++++++++++++++-
> 2 files changed, 39 insertions(+), 1 deletion(-)
Series merged to master as of a752f2d908d1fd3d95cedf2b952729995ce53234
and to 5.9.x as of be3687004a8f36476bfdcbc5d2ed08844333d0be
OPAL Architect, IBM.
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