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qedr: Add events support and register IB device
Add error handling support. Register ib device with ib stack. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Ram Amrani
Doug Ledford
parent
0488677930
commit
993d1b5261
@ -79,10 +79,25 @@ static void qedr_get_dev_fw_str(struct ib_device *ibdev, char *str,
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(fw_ver >> 8) & 0xFF, fw_ver & 0xFF);
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}
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static struct net_device *qedr_get_netdev(struct ib_device *dev, u8 port_num)
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{
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struct qedr_dev *qdev;
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qdev = get_qedr_dev(dev);
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dev_hold(qdev->ndev);
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/* The HW vendor's device driver must guarantee
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* that this function returns NULL before the net device reaches
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* NETDEV_UNREGISTER_FINAL state.
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*/
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return qdev->ndev;
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}
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static int qedr_register_device(struct qedr_dev *dev)
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{
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strlcpy(dev->ibdev.name, "qedr%d", IB_DEVICE_NAME_MAX);
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dev->ibdev.node_guid = dev->attr.node_guid;
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memcpy(dev->ibdev.node_desc, QEDR_NODE_DESC, sizeof(QEDR_NODE_DESC));
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dev->ibdev.owner = THIS_MODULE;
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dev->ibdev.uverbs_abi_ver = QEDR_ABI_VERSION;
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@ -151,12 +166,16 @@ static int qedr_register_device(struct qedr_dev *dev)
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dev->ibdev.post_send = qedr_post_send;
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dev->ibdev.post_recv = qedr_post_recv;
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dev->ibdev.process_mad = qedr_process_mad;
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dev->ibdev.get_port_immutable = qedr_port_immutable;
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dev->ibdev.get_netdev = qedr_get_netdev;
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dev->ibdev.dma_device = &dev->pdev->dev;
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dev->ibdev.get_link_layer = qedr_link_layer;
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dev->ibdev.get_dev_fw_str = qedr_get_dev_fw_str;
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return 0;
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return ib_register_device(&dev->ibdev, NULL);
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}
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/* This function allocates fast-path status block memory */
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@ -557,6 +576,92 @@ static int qedr_set_device_attr(struct qedr_dev *dev)
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return 0;
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}
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void qedr_unaffiliated_event(void *context,
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u8 event_code)
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{
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pr_err("unaffiliated event not implemented yet\n");
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}
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void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle)
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{
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#define EVENT_TYPE_NOT_DEFINED 0
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#define EVENT_TYPE_CQ 1
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#define EVENT_TYPE_QP 2
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struct qedr_dev *dev = (struct qedr_dev *)context;
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union event_ring_data *data = fw_handle;
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u64 roce_handle64 = ((u64)data->roce_handle.hi << 32) +
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data->roce_handle.lo;
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u8 event_type = EVENT_TYPE_NOT_DEFINED;
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struct ib_event event;
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struct ib_cq *ibcq;
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struct ib_qp *ibqp;
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struct qedr_cq *cq;
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struct qedr_qp *qp;
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switch (e_code) {
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case ROCE_ASYNC_EVENT_CQ_OVERFLOW_ERR:
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event.event = IB_EVENT_CQ_ERR;
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event_type = EVENT_TYPE_CQ;
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break;
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case ROCE_ASYNC_EVENT_SQ_DRAINED:
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event.event = IB_EVENT_SQ_DRAINED;
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event_type = EVENT_TYPE_QP;
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break;
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case ROCE_ASYNC_EVENT_QP_CATASTROPHIC_ERR:
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event.event = IB_EVENT_QP_FATAL;
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event_type = EVENT_TYPE_QP;
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break;
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case ROCE_ASYNC_EVENT_LOCAL_INVALID_REQUEST_ERR:
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event.event = IB_EVENT_QP_REQ_ERR;
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event_type = EVENT_TYPE_QP;
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break;
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case ROCE_ASYNC_EVENT_LOCAL_ACCESS_ERR:
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event.event = IB_EVENT_QP_ACCESS_ERR;
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event_type = EVENT_TYPE_QP;
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break;
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default:
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DP_ERR(dev, "unsupported event %d on handle=%llx\n", e_code,
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roce_handle64);
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}
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switch (event_type) {
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case EVENT_TYPE_CQ:
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cq = (struct qedr_cq *)(uintptr_t)roce_handle64;
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if (cq) {
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ibcq = &cq->ibcq;
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if (ibcq->event_handler) {
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event.device = ibcq->device;
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event.element.cq = ibcq;
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ibcq->event_handler(&event, ibcq->cq_context);
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}
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} else {
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WARN(1,
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"Error: CQ event with NULL pointer ibcq. Handle=%llx\n",
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roce_handle64);
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}
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DP_ERR(dev, "CQ event %d on hanlde %p\n", e_code, cq);
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break;
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case EVENT_TYPE_QP:
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qp = (struct qedr_qp *)(uintptr_t)roce_handle64;
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if (qp) {
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ibqp = &qp->ibqp;
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if (ibqp->event_handler) {
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event.device = ibqp->device;
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event.element.qp = ibqp;
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ibqp->event_handler(&event, ibqp->qp_context);
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}
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} else {
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WARN(1,
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"Error: QP event with NULL pointer ibqp. Handle=%llx\n",
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roce_handle64);
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}
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DP_ERR(dev, "QP event %d on hanlde %p\n", e_code, qp);
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break;
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default:
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break;
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}
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}
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static int qedr_init_hw(struct qedr_dev *dev)
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{
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struct qed_rdma_add_user_out_params out_params;
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@ -585,6 +690,8 @@ static int qedr_init_hw(struct qedr_dev *dev)
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cur_pbl->pbl_ptr = (u64)p_phys_table;
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}
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events.affiliated_event = qedr_affiliated_event;
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events.unaffiliated_event = qedr_unaffiliated_event;
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events.context = dev;
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in_params->events = &events;
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@ -683,11 +790,13 @@ static struct qedr_dev *qedr_add(struct qed_dev *cdev, struct pci_dev *pdev,
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for (i = 0; i < ARRAY_SIZE(qedr_attributes); i++)
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if (device_create_file(&dev->ibdev.dev, qedr_attributes[i]))
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goto reg_err;
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goto sysfs_err;
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DP_DEBUG(dev, QEDR_MSG_INIT, "qedr driver loaded successfully\n");
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return dev;
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sysfs_err:
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ib_unregister_device(&dev->ibdev);
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reg_err:
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qedr_sync_free_irqs(dev);
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irq_err:
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@ -707,6 +816,7 @@ static void qedr_remove(struct qedr_dev *dev)
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* of the registered clients.
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*/
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qedr_remove_sysfiles(dev);
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ib_unregister_device(&dev->ibdev);
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qedr_stop_hw(dev);
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qedr_sync_free_irqs(dev);
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@ -3508,3 +3508,40 @@ int qedr_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
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spin_unlock_irqrestore(&cq->cq_lock, flags);
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return done;
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}
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int qedr_process_mad(struct ib_device *ibdev, int process_mad_flags,
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u8 port_num,
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const struct ib_wc *in_wc,
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const struct ib_grh *in_grh,
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const struct ib_mad_hdr *mad_hdr,
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size_t in_mad_size, struct ib_mad_hdr *out_mad,
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size_t *out_mad_size, u16 *out_mad_pkey_index)
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{
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struct qedr_dev *dev = get_qedr_dev(ibdev);
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DP_DEBUG(dev, QEDR_MSG_GSI,
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"QEDR_PROCESS_MAD in_mad %x %x %x %x %x %x %x %x\n",
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mad_hdr->attr_id, mad_hdr->base_version, mad_hdr->attr_mod,
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mad_hdr->class_specific, mad_hdr->class_version,
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mad_hdr->method, mad_hdr->mgmt_class, mad_hdr->status);
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return IB_MAD_RESULT_SUCCESS;
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}
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int qedr_port_immutable(struct ib_device *ibdev, u8 port_num,
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struct ib_port_immutable *immutable)
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{
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struct ib_port_attr attr;
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int err;
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err = qedr_query_port(ibdev, port_num, &attr);
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if (err)
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return err;
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immutable->pkey_tbl_len = attr.pkey_tbl_len;
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immutable->gid_tbl_len = attr.gid_tbl_len;
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immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE |
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RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
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immutable->max_mad_size = IB_MGMT_MAD_SIZE;
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return 0;
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}
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@ -89,4 +89,13 @@ int qedr_post_send(struct ib_qp *, struct ib_send_wr *,
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struct ib_send_wr **bad_wr);
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int qedr_post_recv(struct ib_qp *, struct ib_recv_wr *,
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struct ib_recv_wr **bad_wr);
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int qedr_process_mad(struct ib_device *ibdev, int process_mad_flags,
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u8 port_num, const struct ib_wc *in_wc,
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const struct ib_grh *in_grh,
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const struct ib_mad_hdr *in_mad,
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size_t in_mad_size, struct ib_mad_hdr *out_mad,
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size_t *out_mad_size, u16 *out_mad_pkey_index);
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int qedr_port_immutable(struct ib_device *ibdev, u8 port_num,
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struct ib_port_immutable *immutable);
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#endif
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