diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mr.c | 22 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 35 |
3 files changed, 56 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 9ba0aaf3a58e..f61ec26500c4 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -592,6 +592,8 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, struct ib_udata *udata); int mlx4_ib_dereg_mr(struct ib_mr *mr); struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); +int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, + struct ib_mw_bind *mw_bind); int mlx4_ib_dealloc_mw(struct ib_mw *mw); struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len); diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 5adf4c47ee18..e471f089ff00 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -231,6 +231,28 @@ err_free: return ERR_PTR(err); } +int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, + struct ib_mw_bind *mw_bind) +{ + struct ib_send_wr wr; + struct ib_send_wr *bad_wr; + int ret; + + memset(&wr, 0, sizeof(wr)); + wr.opcode = IB_WR_BIND_MW; + wr.wr_id = mw_bind->wr_id; + wr.send_flags = mw_bind->send_flags; + wr.wr.bind_mw.mw = mw; + wr.wr.bind_mw.bind_info = mw_bind->bind_info; + wr.wr.bind_mw.rkey = ib_inc_rkey(mw->rkey); + + ret = mlx4_ib_post_send(qp, &wr, &bad_wr); + if (!ret) + mw->rkey = wr.wr.bind_mw.rkey; + + return ret; +} + int mlx4_ib_dealloc_mw(struct ib_mw *ibmw) { struct mlx4_ib_mw *mw = to_mmw(ibmw); diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index ebadebe83b11..35cced2a4da8 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -104,6 +104,7 @@ static const __be32 mlx4_ib_opcode[] = { [IB_WR_FAST_REG_MR] = cpu_to_be32(MLX4_OPCODE_FMR), [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = cpu_to_be32(MLX4_OPCODE_MASKED_ATOMIC_CS), [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = cpu_to_be32(MLX4_OPCODE_MASKED_ATOMIC_FA), + [IB_WR_BIND_MW] = cpu_to_be32(MLX4_OPCODE_BIND_MW), }; static struct mlx4_ib_sqp *to_msqp(struct mlx4_ib_qp *mqp) @@ -1953,9 +1954,12 @@ static int mlx4_wq_overflow(struct mlx4_ib_wq *wq, int nreq, struct ib_cq *ib_cq static __be32 convert_access(int acc) { - return (acc & IB_ACCESS_REMOTE_ATOMIC ? cpu_to_be32(MLX4_WQE_FMR_PERM_ATOMIC) : 0) | - (acc & IB_ACCESS_REMOTE_WRITE ? cpu_to_be32(MLX4_WQE_FMR_PERM_REMOTE_WRITE) : 0) | - (acc & IB_ACCESS_REMOTE_READ ? cpu_to_be32(MLX4_WQE_FMR_PERM_REMOTE_READ) : 0) | + return (acc & IB_ACCESS_REMOTE_ATOMIC ? + cpu_to_be32(MLX4_WQE_FMR_AND_BIND_PERM_ATOMIC) : 0) | + (acc & IB_ACCESS_REMOTE_WRITE ? + cpu_to_be32(MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_WRITE) : 0) | + (acc & IB_ACCESS_REMOTE_READ ? + cpu_to_be32(MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_READ) : 0) | (acc & IB_ACCESS_LOCAL_WRITE ? cpu_to_be32(MLX4_WQE_FMR_PERM_LOCAL_WRITE) : 0) | cpu_to_be32(MLX4_WQE_FMR_PERM_LOCAL_READ); } @@ -1981,6 +1985,24 @@ static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg, struct ib_send_wr *wr) fseg->reserved[1] = 0; } +static void set_bind_seg(struct mlx4_wqe_bind_seg *bseg, struct ib_send_wr *wr) +{ + bseg->flags1 = + convert_access(wr->wr.bind_mw.bind_info.mw_access_flags) & + cpu_to_be32(MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_READ | + MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_WRITE | + MLX4_WQE_FMR_AND_BIND_PERM_ATOMIC); + bseg->flags2 = 0; + if (wr->wr.bind_mw.mw->type == IB_MW_TYPE_2) + bseg->flags2 |= cpu_to_be32(MLX4_WQE_BIND_TYPE_2); + if (wr->wr.bind_mw.bind_info.mw_access_flags & IB_ZERO_BASED) + bseg->flags2 |= cpu_to_be32(MLX4_WQE_BIND_ZERO_BASED); + bseg->new_rkey = cpu_to_be32(wr->wr.bind_mw.rkey); + bseg->lkey = cpu_to_be32(wr->wr.bind_mw.bind_info.mr->lkey); + bseg->addr = cpu_to_be64(wr->wr.bind_mw.bind_info.addr); + bseg->length = cpu_to_be64(wr->wr.bind_mw.bind_info.length); +} + static void set_local_inv_seg(struct mlx4_wqe_local_inval_seg *iseg, u32 rkey) { memset(iseg, 0, sizeof(*iseg)); @@ -2289,6 +2311,13 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, size += sizeof (struct mlx4_wqe_fmr_seg) / 16; break; + case IB_WR_BIND_MW: + ctrl->srcrb_flags |= + cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER); + set_bind_seg(wqe, wr); + wqe += sizeof(struct mlx4_wqe_bind_seg); + size += sizeof(struct mlx4_wqe_bind_seg) / 16; + break; default: /* No extra segments required for sends */ break; |
