Re: [PATCH v3] IB: make INFINIBAND_ADDR_TRANS configurable

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Hi Greg,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16 next-20180413]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Greg-Thelen/IB-make-INFINIBAND_ADDR_TRANS-configurable/20180414-234042
config: x86_64-randconfig-x011-201815 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/nvme/host/rdma.o: In function `nvme_rdma_stop_queue':
>> drivers/nvme/host/rdma.c:554: undefined reference to `rdma_disconnect'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_create_qp':
>> drivers/nvme/host/rdma.c:258: undefined reference to `rdma_create_qp'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_free_queue':
>> drivers/nvme/host/rdma.c:570: undefined reference to `rdma_destroy_id'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_alloc_queue':
>> drivers/nvme/host/rdma.c:511: undefined reference to `__rdma_create_id'
>> drivers/nvme/host/rdma.c:523: undefined reference to `rdma_resolve_addr'
   drivers/nvme/host/rdma.c:544: undefined reference to `rdma_destroy_id'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_addr_resolved':
>> drivers/nvme/host/rdma.c:1461: undefined reference to `rdma_resolve_route'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_create_queue_ib':
>> drivers/nvme/host/rdma.c:485: undefined reference to `rdma_destroy_qp'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_route_resolved':
>> drivers/nvme/host/rdma.c:1512: undefined reference to `rdma_connect'
   drivers/nvme/host/rdma.o: In function `nvme_rdma_conn_rejected':
>> drivers/nvme/host/rdma.c:1436: undefined reference to `rdma_reject_msg'
>> drivers/nvme/host/rdma.c:1437: undefined reference to `rdma_consumer_reject_data'

vim +554 drivers/nvme/host/rdma.c

f41725bb Israel Rukshin    2017-11-26  423  
ca6e95bb Sagi Grimberg     2017-05-04  424  static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue)
71102307 Christoph Hellwig 2016-07-06  425  {
ca6e95bb Sagi Grimberg     2017-05-04  426  	struct ib_device *ibdev;
71102307 Christoph Hellwig 2016-07-06  427  	const int send_wr_factor = 3;			/* MR, SEND, INV */
71102307 Christoph Hellwig 2016-07-06  428  	const int cq_factor = send_wr_factor + 1;	/* + RECV */
71102307 Christoph Hellwig 2016-07-06  429  	int comp_vector, idx = nvme_rdma_queue_idx(queue);
71102307 Christoph Hellwig 2016-07-06  430  	int ret;
71102307 Christoph Hellwig 2016-07-06  431  
ca6e95bb Sagi Grimberg     2017-05-04  432  	queue->device = nvme_rdma_find_get_device(queue->cm_id);
ca6e95bb Sagi Grimberg     2017-05-04  433  	if (!queue->device) {
ca6e95bb Sagi Grimberg     2017-05-04  434  		dev_err(queue->cm_id->device->dev.parent,
ca6e95bb Sagi Grimberg     2017-05-04  435  			"no client data found!\n");
ca6e95bb Sagi Grimberg     2017-05-04  436  		return -ECONNREFUSED;
ca6e95bb Sagi Grimberg     2017-05-04  437  	}
ca6e95bb Sagi Grimberg     2017-05-04  438  	ibdev = queue->device->dev;
71102307 Christoph Hellwig 2016-07-06  439  
71102307 Christoph Hellwig 2016-07-06  440  	/*
0b36658c Sagi Grimberg     2017-07-13  441  	 * Spread I/O queues completion vectors according their queue index.
0b36658c Sagi Grimberg     2017-07-13  442  	 * Admin queues can always go on completion vector 0.
71102307 Christoph Hellwig 2016-07-06  443  	 */
0b36658c Sagi Grimberg     2017-07-13  444  	comp_vector = idx == 0 ? idx : idx - 1;
71102307 Christoph Hellwig 2016-07-06  445  
71102307 Christoph Hellwig 2016-07-06  446  	/* +1 for ib_stop_cq */
ca6e95bb Sagi Grimberg     2017-05-04  447  	queue->ib_cq = ib_alloc_cq(ibdev, queue,
ca6e95bb Sagi Grimberg     2017-05-04  448  				cq_factor * queue->queue_size + 1,
ca6e95bb Sagi Grimberg     2017-05-04  449  				comp_vector, IB_POLL_SOFTIRQ);
71102307 Christoph Hellwig 2016-07-06  450  	if (IS_ERR(queue->ib_cq)) {
71102307 Christoph Hellwig 2016-07-06  451  		ret = PTR_ERR(queue->ib_cq);
ca6e95bb Sagi Grimberg     2017-05-04  452  		goto out_put_dev;
71102307 Christoph Hellwig 2016-07-06  453  	}
71102307 Christoph Hellwig 2016-07-06  454  
71102307 Christoph Hellwig 2016-07-06  455  	ret = nvme_rdma_create_qp(queue, send_wr_factor);
71102307 Christoph Hellwig 2016-07-06  456  	if (ret)
71102307 Christoph Hellwig 2016-07-06  457  		goto out_destroy_ib_cq;
71102307 Christoph Hellwig 2016-07-06  458  
71102307 Christoph Hellwig 2016-07-06  459  	queue->rsp_ring = nvme_rdma_alloc_ring(ibdev, queue->queue_size,
71102307 Christoph Hellwig 2016-07-06  460  			sizeof(struct nvme_completion), DMA_FROM_DEVICE);
71102307 Christoph Hellwig 2016-07-06  461  	if (!queue->rsp_ring) {
71102307 Christoph Hellwig 2016-07-06  462  		ret = -ENOMEM;
71102307 Christoph Hellwig 2016-07-06  463  		goto out_destroy_qp;
71102307 Christoph Hellwig 2016-07-06  464  	}
71102307 Christoph Hellwig 2016-07-06  465  
f41725bb Israel Rukshin    2017-11-26  466  	ret = ib_mr_pool_init(queue->qp, &queue->qp->rdma_mrs,
f41725bb Israel Rukshin    2017-11-26  467  			      queue->queue_size,
f41725bb Israel Rukshin    2017-11-26  468  			      IB_MR_TYPE_MEM_REG,
f41725bb Israel Rukshin    2017-11-26  469  			      nvme_rdma_get_max_fr_pages(ibdev));
f41725bb Israel Rukshin    2017-11-26  470  	if (ret) {
f41725bb Israel Rukshin    2017-11-26  471  		dev_err(queue->ctrl->ctrl.device,
f41725bb Israel Rukshin    2017-11-26  472  			"failed to initialize MR pool sized %d for QID %d\n",
f41725bb Israel Rukshin    2017-11-26  473  			queue->queue_size, idx);
f41725bb Israel Rukshin    2017-11-26  474  		goto out_destroy_ring;
f41725bb Israel Rukshin    2017-11-26  475  	}
f41725bb Israel Rukshin    2017-11-26  476  
eb1bd249 Max Gurtovoy      2017-11-28  477  	set_bit(NVME_RDMA_Q_TR_READY, &queue->flags);
eb1bd249 Max Gurtovoy      2017-11-28  478  
71102307 Christoph Hellwig 2016-07-06  479  	return 0;
71102307 Christoph Hellwig 2016-07-06  480  
f41725bb Israel Rukshin    2017-11-26  481  out_destroy_ring:
f41725bb Israel Rukshin    2017-11-26  482  	nvme_rdma_free_ring(ibdev, queue->rsp_ring, queue->queue_size,
f41725bb Israel Rukshin    2017-11-26  483  			    sizeof(struct nvme_completion), DMA_FROM_DEVICE);
71102307 Christoph Hellwig 2016-07-06  484  out_destroy_qp:
1f61def9 Max Gurtovoy      2017-11-06 @485  	rdma_destroy_qp(queue->cm_id);
71102307 Christoph Hellwig 2016-07-06  486  out_destroy_ib_cq:
71102307 Christoph Hellwig 2016-07-06  487  	ib_free_cq(queue->ib_cq);
ca6e95bb Sagi Grimberg     2017-05-04  488  out_put_dev:
ca6e95bb Sagi Grimberg     2017-05-04  489  	nvme_rdma_dev_put(queue->device);
71102307 Christoph Hellwig 2016-07-06  490  	return ret;
71102307 Christoph Hellwig 2016-07-06  491  }
71102307 Christoph Hellwig 2016-07-06  492  
41e8cfa1 Sagi Grimberg     2017-07-10  493  static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl,
71102307 Christoph Hellwig 2016-07-06  494  		int idx, size_t queue_size)
71102307 Christoph Hellwig 2016-07-06  495  {
71102307 Christoph Hellwig 2016-07-06  496  	struct nvme_rdma_queue *queue;
8f4e8dac Max Gurtovoy      2017-02-19  497  	struct sockaddr *src_addr = NULL;
71102307 Christoph Hellwig 2016-07-06  498  	int ret;
71102307 Christoph Hellwig 2016-07-06  499  
71102307 Christoph Hellwig 2016-07-06  500  	queue = &ctrl->queues[idx];
71102307 Christoph Hellwig 2016-07-06  501  	queue->ctrl = ctrl;
71102307 Christoph Hellwig 2016-07-06  502  	init_completion(&queue->cm_done);
71102307 Christoph Hellwig 2016-07-06  503  
71102307 Christoph Hellwig 2016-07-06  504  	if (idx > 0)
71102307 Christoph Hellwig 2016-07-06  505  		queue->cmnd_capsule_len = ctrl->ctrl.ioccsz * 16;
71102307 Christoph Hellwig 2016-07-06  506  	else
71102307 Christoph Hellwig 2016-07-06  507  		queue->cmnd_capsule_len = sizeof(struct nvme_command);
71102307 Christoph Hellwig 2016-07-06  508  
71102307 Christoph Hellwig 2016-07-06  509  	queue->queue_size = queue_size;
71102307 Christoph Hellwig 2016-07-06  510  
71102307 Christoph Hellwig 2016-07-06 @511  	queue->cm_id = rdma_create_id(&init_net, nvme_rdma_cm_handler, queue,
71102307 Christoph Hellwig 2016-07-06  512  			RDMA_PS_TCP, IB_QPT_RC);
71102307 Christoph Hellwig 2016-07-06  513  	if (IS_ERR(queue->cm_id)) {
71102307 Christoph Hellwig 2016-07-06  514  		dev_info(ctrl->ctrl.device,
71102307 Christoph Hellwig 2016-07-06  515  			"failed to create CM ID: %ld\n", PTR_ERR(queue->cm_id));
71102307 Christoph Hellwig 2016-07-06  516  		return PTR_ERR(queue->cm_id);
71102307 Christoph Hellwig 2016-07-06  517  	}
71102307 Christoph Hellwig 2016-07-06  518  
8f4e8dac Max Gurtovoy      2017-02-19  519  	if (ctrl->ctrl.opts->mask & NVMF_OPT_HOST_TRADDR)
0928f9b4 Sagi Grimberg     2017-02-05  520  		src_addr = (struct sockaddr *)&ctrl->src_addr;
8f4e8dac Max Gurtovoy      2017-02-19  521  
0928f9b4 Sagi Grimberg     2017-02-05  522  	queue->cm_error = -ETIMEDOUT;
0928f9b4 Sagi Grimberg     2017-02-05 @523  	ret = rdma_resolve_addr(queue->cm_id, src_addr,
0928f9b4 Sagi Grimberg     2017-02-05  524  			(struct sockaddr *)&ctrl->addr,
71102307 Christoph Hellwig 2016-07-06  525  			NVME_RDMA_CONNECT_TIMEOUT_MS);
71102307 Christoph Hellwig 2016-07-06  526  	if (ret) {
71102307 Christoph Hellwig 2016-07-06  527  		dev_info(ctrl->ctrl.device,
71102307 Christoph Hellwig 2016-07-06  528  			"rdma_resolve_addr failed (%d).\n", ret);
71102307 Christoph Hellwig 2016-07-06  529  		goto out_destroy_cm_id;
71102307 Christoph Hellwig 2016-07-06  530  	}
71102307 Christoph Hellwig 2016-07-06  531  
71102307 Christoph Hellwig 2016-07-06  532  	ret = nvme_rdma_wait_for_cm(queue);
71102307 Christoph Hellwig 2016-07-06  533  	if (ret) {
71102307 Christoph Hellwig 2016-07-06  534  		dev_info(ctrl->ctrl.device,
d8bfceeb Sagi Grimberg     2017-10-11  535  			"rdma connection establishment failed (%d)\n", ret);
71102307 Christoph Hellwig 2016-07-06  536  		goto out_destroy_cm_id;
71102307 Christoph Hellwig 2016-07-06  537  	}
71102307 Christoph Hellwig 2016-07-06  538  
5013e98b Sagi Grimberg     2017-10-11  539  	set_bit(NVME_RDMA_Q_ALLOCATED, &queue->flags);
71102307 Christoph Hellwig 2016-07-06  540  
71102307 Christoph Hellwig 2016-07-06  541  	return 0;
71102307 Christoph Hellwig 2016-07-06  542  
71102307 Christoph Hellwig 2016-07-06  543  out_destroy_cm_id:
71102307 Christoph Hellwig 2016-07-06 @544  	rdma_destroy_id(queue->cm_id);
eb1bd249 Max Gurtovoy      2017-11-28  545  	nvme_rdma_destroy_queue_ib(queue);
71102307 Christoph Hellwig 2016-07-06  546  	return ret;
71102307 Christoph Hellwig 2016-07-06  547  }
71102307 Christoph Hellwig 2016-07-06  548  
71102307 Christoph Hellwig 2016-07-06  549  static void nvme_rdma_stop_queue(struct nvme_rdma_queue *queue)
71102307 Christoph Hellwig 2016-07-06  550  {
a57bd541 Sagi Grimberg     2017-08-28  551  	if (!test_and_clear_bit(NVME_RDMA_Q_LIVE, &queue->flags))
a57bd541 Sagi Grimberg     2017-08-28  552  		return;
a57bd541 Sagi Grimberg     2017-08-28  553  
71102307 Christoph Hellwig 2016-07-06 @554  	rdma_disconnect(queue->cm_id);
71102307 Christoph Hellwig 2016-07-06  555  	ib_drain_qp(queue->qp);
71102307 Christoph Hellwig 2016-07-06  556  }
71102307 Christoph Hellwig 2016-07-06  557  
71102307 Christoph Hellwig 2016-07-06  558  static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue)
71102307 Christoph Hellwig 2016-07-06  559  {
5013e98b Sagi Grimberg     2017-10-11  560  	if (!test_and_clear_bit(NVME_RDMA_Q_ALLOCATED, &queue->flags))
a57bd541 Sagi Grimberg     2017-08-28  561  		return;
a57bd541 Sagi Grimberg     2017-08-28  562  
bd9f0759 Sagi Grimberg     2017-10-19  563  	if (nvme_rdma_queue_idx(queue) == 0) {
bd9f0759 Sagi Grimberg     2017-10-19  564  		nvme_rdma_free_qe(queue->device->dev,
bd9f0759 Sagi Grimberg     2017-10-19  565  			&queue->ctrl->async_event_sqe,
bd9f0759 Sagi Grimberg     2017-10-19  566  			sizeof(struct nvme_command), DMA_TO_DEVICE);
bd9f0759 Sagi Grimberg     2017-10-19  567  	}
bd9f0759 Sagi Grimberg     2017-10-19  568  
71102307 Christoph Hellwig 2016-07-06  569  	nvme_rdma_destroy_queue_ib(queue);
71102307 Christoph Hellwig 2016-07-06 @570  	rdma_destroy_id(queue->cm_id);
71102307 Christoph Hellwig 2016-07-06  571  }
71102307 Christoph Hellwig 2016-07-06  572  

:::::: The code at line 554 was first introduced by commit
:::::: 7110230719602852481c2793d054f866b2bf4a2b nvme-rdma: add a NVMe over Fabrics RDMA host driver

:::::: TO: Christoph Hellwig <hch@xxxxxx>
:::::: CC: Jens Axboe <axboe@xxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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