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RDMA/bnxt_re: Fix the table size for PSN/MSN entries

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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: 6f6bfbc595 ("RDMA/bnxt_re: Expose the MSN table capability for user library")
Link: https://patch.msgid.link/r/1724042847-1481-4-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Selvin Xavier 2024-08-18 21:47:25 -07:00 committed by Jason Gunthorpe
parent 51edebb734
commit b930d0bac9
1 changed files with 2 additions and 0 deletions
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2
drivers/infiniband/hw/bnxt_re/ib_verbs.c
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@ -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);
}