03788f93df
This is just a rename - the functionality hasn't changed. Use the same terminology as the specification (which is controller) so those familiar with the specification can more easily approach the code base. This is still conceptually equivalent to a "session" in the networking sense. Change-Id: I388b56df62d19560224c4adc2a03c71eae6fed0d Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/371746 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
154 lines
5.2 KiB
C
154 lines
5.2 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 "spdk/stdinc.h"
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#include "spdk/conf.h"
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#include "spdk/nvmf.h"
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#include "spdk/trace.h"
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#include "spdk_internal/log.h"
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#include "subsystem.h"
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#include "transport.h"
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SPDK_LOG_REGISTER_TRACE_FLAG("nvmf", SPDK_TRACE_NVMF)
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#define MAX_SUBSYSTEMS 4
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struct spdk_nvmf_tgt g_nvmf_tgt;
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int
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spdk_nvmf_tgt_init(uint16_t max_queue_depth, uint16_t max_queues_per_ctrlr,
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uint32_t in_capsule_data_size, uint32_t max_io_size)
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{
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int rc;
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g_nvmf_tgt.max_queues_per_ctrlr = max_queues_per_ctrlr;
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g_nvmf_tgt.max_queue_depth = max_queue_depth;
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g_nvmf_tgt.in_capsule_data_size = in_capsule_data_size;
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g_nvmf_tgt.max_io_size = max_io_size;
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g_nvmf_tgt.discovery_genctr = 0;
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g_nvmf_tgt.discovery_log_page = NULL;
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g_nvmf_tgt.discovery_log_page_size = 0;
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g_nvmf_tgt.current_subsystem_id = 0;
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TAILQ_INIT(&g_nvmf_tgt.subsystems);
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TAILQ_INIT(&g_nvmf_tgt.listen_addrs);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "Max Queues Per Controller: %d\n", max_queues_per_ctrlr);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "Max Queue Depth: %d\n", max_queue_depth);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "Max In Capsule Data: %d bytes\n", in_capsule_data_size);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "Max I/O Size: %d bytes\n", max_io_size);
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rc = spdk_nvmf_transport_init();
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if (rc < 0) {
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SPDK_ERRLOG("Transport initialization failed\n");
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return -1;
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}
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return 0;
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}
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int
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spdk_nvmf_tgt_fini(void)
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{
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struct spdk_nvmf_listen_addr *listen_addr, *listen_addr_tmp;
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TAILQ_FOREACH_SAFE(listen_addr, &g_nvmf_tgt.listen_addrs, link, listen_addr_tmp) {
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TAILQ_REMOVE(&g_nvmf_tgt.listen_addrs, listen_addr, link);
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g_nvmf_tgt.discovery_genctr++;
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spdk_nvmf_listen_addr_destroy(listen_addr);
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}
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spdk_nvmf_transport_fini();
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return 0;
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}
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struct spdk_nvmf_listen_addr *
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spdk_nvmf_listen_addr_create(struct spdk_nvme_transport_id *trid)
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{
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struct spdk_nvmf_listen_addr *listen_addr;
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const struct spdk_nvmf_transport *transport;
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transport = spdk_nvmf_transport_get(trid->trtype);
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if (!transport) {
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return NULL;
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}
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listen_addr = calloc(1, sizeof(*listen_addr));
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if (!listen_addr) {
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return NULL;
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}
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listen_addr->trid = *trid;
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return listen_addr;
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}
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void
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spdk_nvmf_listen_addr_destroy(struct spdk_nvmf_listen_addr *addr)
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{
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const struct spdk_nvmf_transport *transport;
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transport = spdk_nvmf_transport_get(addr->trid.trtype);
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assert(transport != NULL);
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transport->listen_addr_remove(addr);
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free(addr);
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}
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SPDK_TRACE_REGISTER_FN(nvmf_trace)
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{
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spdk_trace_register_object(OBJECT_NVMF_IO, 'r');
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spdk_trace_register_description("NVMF_IO_START", "", TRACE_NVMF_IO_START,
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OWNER_NONE, OBJECT_NVMF_IO, 1, 0, 0, "");
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spdk_trace_register_description("NVMF_RDMA_READ_START", "", TRACE_RDMA_READ_START,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_RDMA_WRITE_START", "", TRACE_RDMA_WRITE_START,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_RDMA_READ_COMPLETE", "", TRACE_RDMA_READ_COMPLETE,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_RDMA_WRITE_COMPLETE", "", TRACE_RDMA_WRITE_COMPLETE,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_LIB_READ_START", "", TRACE_NVMF_LIB_READ_START,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_LIB_WRITE_START", "", TRACE_NVMF_LIB_WRITE_START,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_LIB_COMPLETE", "", TRACE_NVMF_LIB_COMPLETE,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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spdk_trace_register_description("NVMF_IO_COMPLETION_DONE", "", TRACE_NVMF_IO_COMPLETE,
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OWNER_NONE, OBJECT_NVMF_IO, 0, 0, 0, "");
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}
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