diff mbox series

[for-next,v3,3/5] RDMA/bnxt_re: Fix the table size for PSN/MSN entries

Message ID 1724042847-1481-4-git-send-email-selvin.xavier@broadcom.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA/bnxt_re: Use variable size Work Queue entry for Gen P7 adapters | expand

Commit Message

Selvin Xavier Aug. 19, 2024, 4:47 a.m. UTC
HW MSN table size is always a power of 2. So the pages
should be mapped accordingly.

Use the power of two calculation while get the number of
PSN/MSN entries.

Fixes: 6f6bfbc595fb ("RDMA/bnxt_re: Expose the MSN table capability for user library")
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
---
 drivers/infiniband/hw/bnxt_re/ib_verbs.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 5073ab1..4dd137b 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1042,6 +1042,8 @@  static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
 			    qplib_qp->sq.max_wqe :
 			    ((qplib_qp->sq.max_wqe * qplib_qp->sq.wqe_size) /
 			      sizeof(struct bnxt_qplib_sge));
+		if (_is_host_msn_table(rdev->qplib_res.dattr->dev_cap_flags2))
+			psn_nume = roundup_pow_of_two(psn_nume);
 		bytes += (psn_nume * psn_sz);
 	}