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;
}
