Replace nvme_fabric_qpair_connect() by nvme_fabric_qpair_connect_async()
and nvme_fabric_qpair_connect_poll().
The following is a detail.
Define state of the nvme_rdma_qpair and each rqpair holds it.
Initialize rqpair->state by INVALID at nvme_rdma_ctrlr_create_qpair().
_nvme_rdma_ctrlr_connect_qpair() sets rqpair->state to
FABRIC_CONNECT_SEND instead of calling nvme_fabric_qpair_connect().
Then the new function nvme_rdma_ctrlr_connect_qpair_poll() calls
nvme_fabric_qpair_connect_async() at FABRIC_CONNECT_SEND and
nvme_fabric_qpair_connect_poll() until it returns 0 at FABRIC_CONNECT_POLL.
nvme_rdma_qpair_process_completions() or
nvme_rdma_poll_group_process_completions() calls
nvme_rdma_ctrlr_connect_qpair_poll() if qpair->state is CONECTING.
This patter follows the TCP transport.
Change-Id: I411f4fa8071cb5ea27581f3820eba9b02c731e4c
Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11334
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
29974dc882