RDMA/bnxt_re: Report async events and errors

Report QP, SRQ and CQ async events and errors.

Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1697049097-31992-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index c9066aade4125b18eba5d7f0cccd4cdacb294b2e..ae722070b23d15aa912dfe510d491f566ae2b5a8 100644 (file)
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -970,6 +970,9 @@ static int bnxt_re_handle_unaffi_async_event(struct creq_func_event
 static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
                                         struct bnxt_re_qp *qp)
 {
+       struct bnxt_re_srq *srq = container_of(qp->qplib_qp.srq, struct bnxt_re_srq,
+                                              qplib_srq);
+       struct creq_qp_error_notification *err_event;
        struct ib_event event = {};
        unsigned int flags;
 
@@ -980,14 +983,146 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
                bnxt_re_unlock_cqs(qp, flags);
        }
 
-       if (qp->qplib_qp.srq) {
-               event.device = &qp->rdev->ibdev;
-               event.element.qp = &qp->ib_qp;
-               event.event = IB_EVENT_QP_LAST_WQE_REACHED;
+       event.device = &qp->rdev->ibdev;
+       event.element.qp = &qp->ib_qp;
+       event.event = IB_EVENT_QP_FATAL;
+
+       err_event = (struct creq_qp_error_notification *)qp_event;
+
+       switch (err_event->req_err_state_reason) {
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_OPCODE_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TIMEOUT_RETRY_LIMIT:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RNR_TIMEOUT_RETRY_LIMIT:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_2:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_3:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_READ_RESP:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_BIND:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_FAST_REG:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_INVALIDATE:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RETRAN_LOCAL_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_AV_DOMAIN_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_PROD_WQE_MSMTCH_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_PSN_RANGE_CHECK_ERROR:
+               event.event = IB_EVENT_QP_ACCESS_ERR;
+               break;
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_1:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_4:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_READ_RESP_LENGTH:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_WQE_FORMAT_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ORRQ_FORMAT_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_AVID_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_SERV_TYPE_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_OP_ERROR:
+               event.event = IB_EVENT_QP_REQ_ERR;
+               break;
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RX_MEMORY_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TX_MEMORY_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_CMP_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_CQ_LOAD_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TX_PCI_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RX_PCI_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RETX_SETUP_ERROR:
+               event.event = IB_EVENT_QP_FATAL;
+               break;
+
+       default:
+               break;
        }
 
-       if (event.device && qp->ib_qp.event_handler)
+       switch (err_event->res_err_state_reason) {
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_EXCEED_MAX:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PAYLOAD_LENGTH_MISMATCH:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PSN_SEQ_ERROR_RETRY_LIMIT:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_INVALID_R_KEY:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_DOMAIN_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_NO_PERMISSION:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_RANGE_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_INVALID_R_KEY:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_DOMAIN_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_NO_PERMISSION:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_RANGE_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_UNALIGN_ATOMIC:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PSN_NOT_FOUND:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_INVALID_DUP_RKEY:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_IRRQ_FORMAT_ERROR:
+               event.event = IB_EVENT_QP_ACCESS_ERR;
+               break;
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_EXCEEDS_WQE:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_WQE_FORMAT_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_UNSUPPORTED_OPCODE:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_REM_INVALIDATE:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_OPCODE_ERROR:
+               event.event = IB_EVENT_QP_REQ_ERR;
+               break;
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_IRRQ_OFLOW:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_CMP_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_CQ_LOAD_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_PCI_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_PCI_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_MEMORY_ERROR:
+               event.event = IB_EVENT_QP_FATAL;
+               break;
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_SRQ_LOAD_ERROR:
+       case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_SRQ_ERROR:
+               if (srq)
+                       event.event = IB_EVENT_SRQ_ERR;
+               break;
+       default:
+               break;
+       }
+
+       if (err_event->res_err_state_reason || err_event->req_err_state_reason) {
+               ibdev_dbg(&qp->rdev->ibdev,
+                         "%s %s qp_id: %d cons (%d %d) req (%d %d) res (%d %d)\n",
+                          __func__, rdma_is_kernel_res(&qp->ib_qp.res) ? "kernel" : "user",
+                          qp->qplib_qp.id,
+                          err_event->sq_cons_idx,
+                          err_event->rq_cons_idx,
+                          err_event->req_slow_path_state,
+                          err_event->req_err_state_reason,
+                          err_event->res_slow_path_state,
+                          err_event->res_err_state_reason);
+       } else {
+               if (srq)
+                       event.event = IB_EVENT_QP_LAST_WQE_REACHED;
+       }
+
+       if (event.event == IB_EVENT_SRQ_ERR && srq->ib_srq.event_handler)  {
+               (*srq->ib_srq.event_handler)(&event,
+                               srq->ib_srq.srq_context);
+       } else if (event.device && qp->ib_qp.event_handler) {
                qp->ib_qp.event_handler(&event, qp->ib_qp.qp_context);
+       }
+
+       return 0;
+}
+
+static int bnxt_re_handle_cq_async_error(void *event, struct bnxt_re_cq *cq)
+{
+       struct creq_cq_error_notification *cqerr;
+       struct ib_event ibevent = {};
+
+       cqerr = event;
+       switch (cqerr->cq_err_reason) {
+       case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_REQ_CQ_INVALID_ERROR:
+       case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_REQ_CQ_OVERFLOW_ERROR:
+       case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_REQ_CQ_LOAD_ERROR:
+       case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_RES_CQ_INVALID_ERROR:
+       case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_RES_CQ_OVERFLOW_ERROR:
+       case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_RES_CQ_LOAD_ERROR:
+               ibevent.event = IB_EVENT_CQ_ERR;
+       default:
+               break;
+       }
+
+       if (ibevent.event == IB_EVENT_CQ_ERR && cq->ib_cq.event_handler) {
+               ibevent.element.cq = &cq->ib_cq;
+               ibevent.device = &cq->rdev->ibdev;
+
+               ibdev_dbg(&cq->rdev->ibdev,
+                         "%s err reason %d\n", __func__, cqerr->cq_err_reason);
+               cq->ib_cq.event_handler(&ibevent, cq->ib_cq.cq_context);
+       }
 
        return 0;
 }
@@ -995,6 +1130,10 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
 static int bnxt_re_handle_affi_async_event(struct creq_qp_event *affi_async,
                                           void *obj)
 {
+       struct bnxt_qplib_qp *lib_qp;
+       struct bnxt_qplib_cq *lib_cq;
+       struct bnxt_re_qp *qp;
+       struct bnxt_re_cq *cq;
        int rc = 0;
        u8 event;
 
@@ -1002,11 +1141,19 @@ static int bnxt_re_handle_affi_async_event(struct creq_qp_event *affi_async,
                return rc; /* QP was already dead, still return success */
 
        event = affi_async->event;
-       if (event == CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION) {
-               struct bnxt_qplib_qp *lib_qp = obj;
-               struct bnxt_re_qp *qp = container_of(lib_qp, struct bnxt_re_qp,
-                                                    qplib_qp);
+       switch (event) {
+       case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION:
+               lib_qp = obj;
+               qp = container_of(lib_qp, struct bnxt_re_qp, qplib_qp);
                rc = bnxt_re_handle_qp_async_event(affi_async, qp);
+               break;
+       case CREQ_QP_EVENT_EVENT_CQ_ERROR_NOTIFICATION:
+               lib_cq = obj;
+               cq = container_of(lib_cq, struct bnxt_re_cq, qplib_cq);
+               rc = bnxt_re_handle_cq_async_error(affi_async, cq);
+               break;
+       default:
+               rc = -EINVAL;
        }
        return rc;
 }