diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/ev.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/ev.c | 55 |
1 files changed, 50 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/cxgb4/ev.c b/drivers/infiniband/hw/cxgb4/ev.c index d61d0a18f784..fbe6051af254 100644 --- a/drivers/infiniband/hw/cxgb4/ev.c +++ b/drivers/infiniband/hw/cxgb4/ev.c @@ -35,6 +35,55 @@ #include "iw_cxgb4.h" +static void print_tpte(struct c4iw_dev *dev, u32 stag) +{ + int ret; + struct fw_ri_tpte tpte; + + ret = cxgb4_read_tpte(dev->rdev.lldi.ports[0], stag, + (__be32 *)&tpte); + if (ret) { + dev_err(&dev->rdev.lldi.pdev->dev, + "%s cxgb4_read_tpte err %d\n", __func__, ret); + return; + } + PDBG("stag idx 0x%x valid %d key 0x%x state %d pdid %d " + "perm 0x%x ps %d len 0x%llx va 0x%llx\n", + stag & 0xffffff00, + G_FW_RI_TPTE_VALID(ntohl(tpte.valid_to_pdid)), + G_FW_RI_TPTE_STAGKEY(ntohl(tpte.valid_to_pdid)), + G_FW_RI_TPTE_STAGSTATE(ntohl(tpte.valid_to_pdid)), + G_FW_RI_TPTE_PDID(ntohl(tpte.valid_to_pdid)), + G_FW_RI_TPTE_PERM(ntohl(tpte.locread_to_qpid)), + G_FW_RI_TPTE_PS(ntohl(tpte.locread_to_qpid)), + ((u64)ntohl(tpte.len_hi) << 32) | ntohl(tpte.len_lo), + ((u64)ntohl(tpte.va_hi) << 32) | ntohl(tpte.va_lo_fbo)); +} + +static void dump_err_cqe(struct c4iw_dev *dev, struct t4_cqe *err_cqe) +{ + __be64 *p = (void *)err_cqe; + + dev_err(&dev->rdev.lldi.pdev->dev, + "AE qpid %d opcode %d status 0x%x " + "type %d len 0x%x wrid.hi 0x%x wrid.lo 0x%x\n", + CQE_QPID(err_cqe), CQE_OPCODE(err_cqe), + CQE_STATUS(err_cqe), CQE_TYPE(err_cqe), ntohl(err_cqe->len), + CQE_WRID_HI(err_cqe), CQE_WRID_LOW(err_cqe)); + + PDBG("%016llx %016llx %016llx %016llx\n", + be64_to_cpu(p[0]), be64_to_cpu(p[1]), be64_to_cpu(p[2]), + be64_to_cpu(p[3])); + + /* + * Ingress WRITE and READ_RESP errors provide + * the offending stag, so parse and log it. + */ + if (RQ_TYPE(err_cqe) && (CQE_OPCODE(err_cqe) == FW_RI_RDMA_WRITE || + CQE_OPCODE(err_cqe) == FW_RI_READ_RESP)) + print_tpte(dev, CQE_WRID_STAG(err_cqe)); +} + static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp, struct c4iw_qp *qhp, struct t4_cqe *err_cqe, @@ -44,11 +93,7 @@ static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp, struct c4iw_qp_attributes attrs; unsigned long flag; - printk(KERN_ERR MOD "AE qpid 0x%x opcode %d status 0x%x " - "type %d wrid.hi 0x%x wrid.lo 0x%x\n", - CQE_QPID(err_cqe), CQE_OPCODE(err_cqe), - CQE_STATUS(err_cqe), CQE_TYPE(err_cqe), - CQE_WRID_HI(err_cqe), CQE_WRID_LOW(err_cqe)); + dump_err_cqe(dev, err_cqe); if (qhp->attr.state == C4IW_QP_STATE_RTS) { attrs.next_state = C4IW_QP_STATE_TERMINATE; |