RDMA/irdma: Do not set IBK_LOCAL_DMA_LKEY for GEN3+

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[ Upstream commit eef3ad030b ]

The GEN3 hardware does not appear to support IBK_LOCAL_DMA_LKEY. Attempts
to use it will result in an AE.

Fixes: eb31dfc2b4 ("RDMA/irdma: Restrict Memory Window and CQE Timestamping to GEN3")
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Link: https://patch.msgid.link/20251125025350.180-8-tatyana.e.nikolova@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jacob Moroni 2025-11-24 20:53:48 -06:00 • committed by Greg Kroah-Hartman

parent aac0552d66

commit 951870eee2

1 changed files with 2 additions and 1 deletions

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drivers/infiniband/hw/irdma/verbs.c

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