int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name) { int err; struct ib_device *dev = &rxe->ib_dev; struct crypto_shash *tfm; strlcpy(dev->node_desc, "rxe", sizeof(dev->node_desc)); dev->owner = THIS_MODULE; dev->node_type = RDMA_NODE_IB_CA; dev->phys_port_cnt = 1; dev->num_comp_vectors = num_possible_cpus(); dev->dev.parent = rxe_dma_device(rxe); dev->local_dma_lkey = 0; addrconf_addr_eui48((unsigned char *)&dev->node_guid, rxe->ndev->dev_addr); dev->dev.dma_ops = &dma_virt_ops; dma_coerce_mask_and_coherent(&dev->dev, dma_get_required_mask(&dev->dev)); dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION; dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_DEVICE) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_PORT) | BIT_ULL(IB_USER_VERBS_CMD_ALLOC_PD) | BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_PD) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_POST_SRQ_RECV) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_QP) | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_QP) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_QP) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_QP) | BIT_ULL(IB_USER_VERBS_CMD_POST_SEND) | BIT_ULL(IB_USER_VERBS_CMD_POST_RECV) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_CQ) | BIT_ULL(IB_USER_VERBS_CMD_RESIZE_CQ) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_CQ) | BIT_ULL(IB_USER_VERBS_CMD_POLL_CQ) | BIT_ULL(IB_USER_VERBS_CMD_PEEK_CQ) | BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) | BIT_ULL(IB_USER_VERBS_CMD_REG_MR) | BIT_ULL(IB_USER_VERBS_CMD_DEREG_MR) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_AH) | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_AH) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_AH) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_AH) | BIT_ULL(IB_USER_VERBS_CMD_ATTACH_MCAST) | BIT_ULL(IB_USER_VERBS_CMD_DETACH_MCAST) ; ib_set_device_ops(dev, &rxe_dev_ops); err = ib_device_set_netdev(&rxe->ib_dev, rxe->ndev, 1); if (err) return err; tfm = crypto_alloc_shash("crc32", 0, 0); if (IS_ERR(tfm)) { pr_err("failed to allocate crc algorithm err:%ld\n", PTR_ERR(tfm)); return PTR_ERR(tfm); } rxe->tfm = tfm; rdma_set_device_sysfs_group(dev, &rxe_attr_group); dev->driver_id = RDMA_DRIVER_RXE; err = ib_register_device(dev, ibdev_name); if (err) pr_warn("%s failed with error %d\n", __func__, err); /* * Note that rxe may be invalid at this point if another thread * unregistered it. */ return err; }
int rxe_register_device(struct rxe_dev *rxe) { int err; int i; struct ib_device *dev = &rxe->ib_dev; strlcpy(dev->name, "rxe%d", IB_DEVICE_NAME_MAX); strlcpy(dev->node_desc, "rxe", sizeof(dev->node_desc)); dev->owner = THIS_MODULE; dev->node_type = RDMA_NODE_IB_CA; dev->phys_port_cnt = 1; dev->num_comp_vectors = num_possible_cpus(); dev->dev.parent = rxe_dma_device(rxe); dev->local_dma_lkey = 0; addrconf_addr_eui48((unsigned char *)&dev->node_guid, rxe->ndev->dev_addr); dev->dev.dma_ops = &dma_virt_ops; dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION; dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_DEVICE) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_PORT) | BIT_ULL(IB_USER_VERBS_CMD_ALLOC_PD) | BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_PD) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_SRQ) | BIT_ULL(IB_USER_VERBS_CMD_POST_SRQ_RECV) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_QP) | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_QP) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_QP) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_QP) | BIT_ULL(IB_USER_VERBS_CMD_POST_SEND) | BIT_ULL(IB_USER_VERBS_CMD_POST_RECV) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_CQ) | BIT_ULL(IB_USER_VERBS_CMD_RESIZE_CQ) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_CQ) | BIT_ULL(IB_USER_VERBS_CMD_POLL_CQ) | BIT_ULL(IB_USER_VERBS_CMD_PEEK_CQ) | BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) | BIT_ULL(IB_USER_VERBS_CMD_REG_MR) | BIT_ULL(IB_USER_VERBS_CMD_DEREG_MR) | BIT_ULL(IB_USER_VERBS_CMD_CREATE_AH) | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_AH) | BIT_ULL(IB_USER_VERBS_CMD_QUERY_AH) | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_AH) | BIT_ULL(IB_USER_VERBS_CMD_ATTACH_MCAST) | BIT_ULL(IB_USER_VERBS_CMD_DETACH_MCAST) ; dev->query_device = rxe_query_device; dev->modify_device = rxe_modify_device; dev->query_port = rxe_query_port; dev->modify_port = rxe_modify_port; dev->get_link_layer = rxe_get_link_layer; dev->query_gid = rxe_query_gid; dev->get_netdev = rxe_get_netdev; dev->add_gid = rxe_add_gid; dev->del_gid = rxe_del_gid; dev->query_pkey = rxe_query_pkey; dev->alloc_ucontext = rxe_alloc_ucontext; dev->dealloc_ucontext = rxe_dealloc_ucontext; dev->mmap = rxe_mmap; dev->get_port_immutable = rxe_port_immutable; dev->alloc_pd = rxe_alloc_pd; dev->dealloc_pd = rxe_dealloc_pd; dev->create_ah = rxe_create_ah; dev->modify_ah = rxe_modify_ah; dev->query_ah = rxe_query_ah; dev->destroy_ah = rxe_destroy_ah; dev->create_srq = rxe_create_srq; dev->modify_srq = rxe_modify_srq; dev->query_srq = rxe_query_srq; dev->destroy_srq = rxe_destroy_srq; dev->post_srq_recv = rxe_post_srq_recv; dev->create_qp = rxe_create_qp; dev->modify_qp = rxe_modify_qp; dev->query_qp = rxe_query_qp; dev->destroy_qp = rxe_destroy_qp; dev->post_send = rxe_post_send; dev->post_recv = rxe_post_recv; dev->create_cq = rxe_create_cq; dev->destroy_cq = rxe_destroy_cq; dev->resize_cq = rxe_resize_cq; dev->poll_cq = rxe_poll_cq; dev->peek_cq = rxe_peek_cq; dev->req_notify_cq = rxe_req_notify_cq; dev->get_dma_mr = rxe_get_dma_mr; dev->reg_user_mr = rxe_reg_user_mr; dev->dereg_mr = rxe_dereg_mr; dev->alloc_mr = rxe_alloc_mr; dev->map_mr_sg = rxe_map_mr_sg; dev->attach_mcast = rxe_attach_mcast; dev->detach_mcast = rxe_detach_mcast; dev->get_hw_stats = rxe_ib_get_hw_stats; dev->alloc_hw_stats = rxe_ib_alloc_hw_stats; rxe->tfm = crypto_alloc_shash("crc32", 0, 0); if (IS_ERR(rxe->tfm)) { pr_err("failed to allocate crc algorithm err:%ld\n", PTR_ERR(rxe->tfm)); return PTR_ERR(rxe->tfm); } err = ib_register_device(dev, NULL); if (err) { pr_warn("rxe_register_device failed, err = %d\n", err); goto err1; } for (i = 0; i < ARRAY_SIZE(rxe_dev_attributes); ++i) { err = device_create_file(&dev->dev, rxe_dev_attributes[i]); if (err) { pr_warn("device_create_file failed, i = %d, err = %d\n", i, err); goto err2; } } return 0; err2: ib_unregister_device(dev); err1: crypto_free_shash(rxe->tfm); return err; }