diff options
| author | Jacob Moroni <jmoroni@google.com> | 2025-11-24 20:53:48 -0600 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-11-26 02:26:05 -0500 |
| commit | eef3ad030b08c0f100cb18de7f604442a1adb8c7 (patch) | |
| tree | 46cf762709c3892988d66a5eb0808b5382aa4f2f | |
| parent | 71d3bdae5eab21cf8991a6f3cd914caa31d5a51f (diff) | |
RDMA/irdma: Do not set IBK_LOCAL_DMA_LKEY for GEN3+
The GEN3 hardware does not appear to support IBK_LOCAL_DMA_LKEY. Attempts
to use it will result in an AE.
Fixes: eb31dfc2b41a ("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>
| -rw-r--r-- | drivers/infiniband/hw/irdma/verbs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index bfbfde16bcb9..9093d3e962ae 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -27,7 +27,8 @@ static int irdma_query_device(struct ib_device *ibdev, irdma_fw_minor_ver(&rf->sc_dev); props->device_cap_flags = IB_DEVICE_MEM_WINDOW | IB_DEVICE_MEM_MGT_EXTENSIONS; - props->kernel_cap_flags = IBK_LOCAL_DMA_LKEY; + if (hw_attrs->uk_attrs.hw_rev < IRDMA_GEN_3) + props->kernel_cap_flags = IBK_LOCAL_DMA_LKEY; props->vendor_id = pcidev->vendor; props->vendor_part_id = pcidev->device; |