Commit a45bc17b authored by Devesh Sharma's avatar Devesh Sharma Committed by Jason Gunthorpe

RDMA/bnxt_re: Unconditionly fence non wire memory operations

HW requires an unconditonal fence for all non-wire memory operations
through SQ. This guarantees the completions of these memory operations.
Signed-off-by: default avatarDevesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: default avatarSelvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 2fb4f4ea
...@@ -2227,10 +2227,13 @@ static int bnxt_re_build_inv_wqe(struct ib_send_wr *wr, ...@@ -2227,10 +2227,13 @@ static int bnxt_re_build_inv_wqe(struct ib_send_wr *wr,
wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV; wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV;
wqe->local_inv.inv_l_key = wr->ex.invalidate_rkey; wqe->local_inv.inv_l_key = wr->ex.invalidate_rkey;
/* Need unconditional fence for local invalidate
* opcode to work as expected.
*/
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
if (wr->send_flags & IB_SEND_SIGNALED) if (wr->send_flags & IB_SEND_SIGNALED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP; wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
if (wr->send_flags & IB_SEND_FENCE)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
if (wr->send_flags & IB_SEND_SOLICITED) if (wr->send_flags & IB_SEND_SOLICITED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT; wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT;
...@@ -2251,8 +2254,12 @@ static int bnxt_re_build_reg_wqe(struct ib_reg_wr *wr, ...@@ -2251,8 +2254,12 @@ static int bnxt_re_build_reg_wqe(struct ib_reg_wr *wr,
wqe->frmr.levels = qplib_frpl->hwq.level + 1; wqe->frmr.levels = qplib_frpl->hwq.level + 1;
wqe->type = BNXT_QPLIB_SWQE_TYPE_REG_MR; wqe->type = BNXT_QPLIB_SWQE_TYPE_REG_MR;
if (wr->wr.send_flags & IB_SEND_FENCE) /* Need unconditional fence for reg_mr
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE; * opcode to function as expected.
*/
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
if (wr->wr.send_flags & IB_SEND_SIGNALED) if (wr->wr.send_flags & IB_SEND_SIGNALED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP; wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
......
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