diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 67 |
1 files changed, 36 insertions, 31 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index a59c7f04ca1..b5a24fbef70 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1183,6 +1183,35 @@ static int mlx4_wq_overflow(struct mlx4_ib_wq *wq, int nreq, struct ib_cq *ib_cq return cur + nreq >= wq->max_post; } +static __always_inline void set_raddr_seg(struct mlx4_wqe_raddr_seg *rseg, + u64 remote_addr, u32 rkey) +{ + rseg->raddr = cpu_to_be64(remote_addr); + rseg->rkey = cpu_to_be32(rkey); + rseg->reserved = 0; +} + +static void set_atomic_seg(struct mlx4_wqe_atomic_seg *aseg, struct ib_send_wr *wr) +{ + if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) { + aseg->swap_add = cpu_to_be64(wr->wr.atomic.swap); + aseg->compare = cpu_to_be64(wr->wr.atomic.compare_add); + } else { + aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add); + aseg->compare = 0; + } + +} + +static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg, + struct ib_send_wr *wr) +{ + memcpy(dseg->av, &to_mah(wr->wr.ud.ah)->av, sizeof (struct mlx4_av)); + dseg->dqpn = cpu_to_be32(wr->wr.ud.remote_qpn); + dseg->qkey = cpu_to_be32(wr->wr.ud.remote_qkey); + +} + static void set_data_seg(struct mlx4_wqe_data_seg *dseg, struct ib_sge *sg) { @@ -1246,26 +1275,13 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, switch (wr->opcode) { case IB_WR_ATOMIC_CMP_AND_SWP: case IB_WR_ATOMIC_FETCH_AND_ADD: - ((struct mlx4_wqe_raddr_seg *) wqe)->raddr = - cpu_to_be64(wr->wr.atomic.remote_addr); - ((struct mlx4_wqe_raddr_seg *) wqe)->rkey = - cpu_to_be32(wr->wr.atomic.rkey); - ((struct mlx4_wqe_raddr_seg *) wqe)->reserved = 0; - + set_raddr_seg(wqe, wr->wr.atomic.remote_addr, + wr->wr.atomic.rkey); wqe += sizeof (struct mlx4_wqe_raddr_seg); - if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) { - ((struct mlx4_wqe_atomic_seg *) wqe)->swap_add = - cpu_to_be64(wr->wr.atomic.swap); - ((struct mlx4_wqe_atomic_seg *) wqe)->compare = - cpu_to_be64(wr->wr.atomic.compare_add); - } else { - ((struct mlx4_wqe_atomic_seg *) wqe)->swap_add = - cpu_to_be64(wr->wr.atomic.compare_add); - ((struct mlx4_wqe_atomic_seg *) wqe)->compare = 0; - } - + set_atomic_seg(wqe, wr); wqe += sizeof (struct mlx4_wqe_atomic_seg); + size += (sizeof (struct mlx4_wqe_raddr_seg) + sizeof (struct mlx4_wqe_atomic_seg)) / 16; @@ -1274,15 +1290,10 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, case IB_WR_RDMA_READ: case IB_WR_RDMA_WRITE: case IB_WR_RDMA_WRITE_WITH_IMM: - ((struct mlx4_wqe_raddr_seg *) wqe)->raddr = - cpu_to_be64(wr->wr.rdma.remote_addr); - ((struct mlx4_wqe_raddr_seg *) wqe)->rkey = - cpu_to_be32(wr->wr.rdma.rkey); - ((struct mlx4_wqe_raddr_seg *) wqe)->reserved = 0; - + set_raddr_seg(wqe, wr->wr.rdma.remote_addr, + wr->wr.rdma.rkey); wqe += sizeof (struct mlx4_wqe_raddr_seg); size += sizeof (struct mlx4_wqe_raddr_seg) / 16; - break; default: @@ -1292,13 +1303,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_QPT_UD: - memcpy(((struct mlx4_wqe_datagram_seg *) wqe)->av, - &to_mah(wr->wr.ud.ah)->av, sizeof (struct mlx4_av)); - ((struct mlx4_wqe_datagram_seg *) wqe)->dqpn = - cpu_to_be32(wr->wr.ud.remote_qpn); - ((struct mlx4_wqe_datagram_seg *) wqe)->qkey = - cpu_to_be32(wr->wr.ud.remote_qkey); - + set_datagram_seg(wqe, wr); wqe += sizeof (struct mlx4_wqe_datagram_seg); size += sizeof (struct mlx4_wqe_datagram_seg) / 16; break; |