31965a7021
Drop the debug print in conn.c that was the only user. We still have the connect data structure when determining the connection type, and after that point, the queue ID is not needed. Change-Id: Ida9e170099f977ec6b84478874863c40d6f7d8a1 Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arpa/inet.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include <rte_config.h>
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#include <rte_debug.h>
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#include <rte_mempool.h>
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#include <rte_cycles.h>
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#include <rte_timer.h>
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#include "spdk/nvmf_spec.h"
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#include "conn.h"
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#include "rdma.h"
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#include "request.h"
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#include "session.h"
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#include "spdk/queue.h"
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#include "spdk/log.h"
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#include "spdk/trace.h"
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/** \file
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*/
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static int nvmf_allocate_reactor(uint64_t cpumask);
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static void spdk_nvmf_conn_do_work(void *arg);
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/**
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\brief Create an NVMf fabric connection from the given parameters and schedule it
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on a reactor thread.
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\code
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# identify reactor where the new connections work item will be scheduled
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reactor = nvmf_allocate_reactor()
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schedule fabric connection work item on reactor
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\endcode
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*/
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int
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spdk_nvmf_startup_conn(struct spdk_nvmf_conn *conn)
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{
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int lcore;
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uint64_t nvmf_session_core = spdk_app_get_core_mask();
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lcore = nvmf_allocate_reactor(nvmf_session_core);
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if (lcore < 0) {
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SPDK_ERRLOG("Unable to find core to launch connection.\n");
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return -1;
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}
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conn->state = CONN_STATE_RUNNING;
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SPDK_NOTICELOG("Launching nvmf connection on core: %d\n", lcore);
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conn->poller.fn = spdk_nvmf_conn_do_work;
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conn->poller.arg = conn;
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spdk_poller_register(&conn->poller, lcore, NULL);
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return 0;
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}
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void
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spdk_nvmf_conn_destruct(struct spdk_nvmf_conn *conn)
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{
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spdk_poller_unregister(&conn->poller, NULL);
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nvmf_disconnect(conn->sess, conn);
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nvmf_rdma_conn_cleanup(conn);
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}
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static void
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spdk_nvmf_conn_do_work(void *arg)
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{
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struct spdk_nvmf_conn *conn = arg;
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/* process pending NVMe device completions */
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if (conn->sess) {
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if (conn->type == CONN_TYPE_AQ) {
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nvmf_check_admin_completions(conn->sess);
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} else {
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nvmf_check_io_completions(conn->sess);
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}
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}
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/* process pending RDMA completions */
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if (nvmf_check_rdma_completions(conn) < 0) {
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SPDK_ERRLOG("Transport poll failed for conn %p; closing connection\n", conn);
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conn->state = CONN_STATE_EXITING;
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}
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if (conn->state == CONN_STATE_EXITING ||
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conn->state == CONN_STATE_FABRIC_DISCONNECT) {
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spdk_nvmf_conn_destruct(conn);
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}
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}
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static int
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nvmf_allocate_reactor(uint64_t cpumask)
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{
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return rte_get_master_lcore();
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}
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