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)
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;
}
}
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;