diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cq.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index b1705ce6eb88..62bb6b49dc1d 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -366,6 +366,38 @@ static void free_cq_buf(struct mlx5_ib_dev *dev, struct mlx5_ib_cq_buf *buf) mlx5_buf_free(&dev->mdev, &buf->buf); } +static void get_sig_err_item(struct mlx5_sig_err_cqe *cqe, + struct ib_sig_err *item) +{ + u16 syndrome = be16_to_cpu(cqe->syndrome); + +#define GUARD_ERR (1 << 13) +#define APPTAG_ERR (1 << 12) +#define REFTAG_ERR (1 << 11) + + if (syndrome & GUARD_ERR) { + item->err_type = IB_SIG_BAD_GUARD; + item->expected = be32_to_cpu(cqe->expected_trans_sig) >> 16; + item->actual = be32_to_cpu(cqe->actual_trans_sig) >> 16; + } else + if (syndrome & REFTAG_ERR) { + item->err_type = IB_SIG_BAD_REFTAG; + item->expected = be32_to_cpu(cqe->expected_reftag); + item->actual = be32_to_cpu(cqe->actual_reftag); + } else + if (syndrome & APPTAG_ERR) { + item->err_type = IB_SIG_BAD_APPTAG; + item->expected = be32_to_cpu(cqe->expected_trans_sig) & 0xffff; + item->actual = be32_to_cpu(cqe->actual_trans_sig) & 0xffff; + } else { + pr_err("Got signature completion error with bad syndrome %04x\n", + syndrome); + } + + item->sig_err_offset = be64_to_cpu(cqe->err_offset); + item->key = be32_to_cpu(cqe->mkey); +} + static int mlx5_poll_one(struct mlx5_ib_cq *cq, struct mlx5_ib_qp **cur_qp, struct ib_wc *wc) @@ -375,6 +407,9 @@ static int mlx5_poll_one(struct mlx5_ib_cq *cq, struct mlx5_cqe64 *cqe64; struct mlx5_core_qp *mqp; struct mlx5_ib_wq *wq; + struct mlx5_sig_err_cqe *sig_err_cqe; + struct mlx5_core_mr *mmr; + struct mlx5_ib_mr *mr; uint8_t opcode; uint32_t qpn; u16 wqe_ctr; @@ -475,6 +510,33 @@ repoll: } } break; + case MLX5_CQE_SIG_ERR: + sig_err_cqe = (struct mlx5_sig_err_cqe *)cqe64; + + read_lock(&dev->mdev.priv.mr_table.lock); + mmr = __mlx5_mr_lookup(&dev->mdev, + mlx5_base_mkey(be32_to_cpu(sig_err_cqe->mkey))); + if (unlikely(!mmr)) { + read_unlock(&dev->mdev.priv.mr_table.lock); + mlx5_ib_warn(dev, "CQE@CQ %06x for unknown MR %6x\n", + cq->mcq.cqn, be32_to_cpu(sig_err_cqe->mkey)); + return -EINVAL; + } + + mr = to_mibmr(mmr); + get_sig_err_item(sig_err_cqe, &mr->sig->err_item); + mr->sig->sig_err_exists = true; + mr->sig->sigerr_count++; + + mlx5_ib_warn(dev, "CQN: 0x%x Got SIGERR on key: 0x%x err_type %x err_offset %llx expected %x actual %x\n", + cq->mcq.cqn, mr->sig->err_item.key, + mr->sig->err_item.err_type, + mr->sig->err_item.sig_err_offset, + mr->sig->err_item.expected, + mr->sig->err_item.actual); + + read_unlock(&dev->mdev.priv.mr_table.lock); + goto repoll; } return 0; |