Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 236 insertions, 0 deletions

diff --git a/src/spdk/lib/nvmf/transport.c b/src/spdk/lib/nvmf/transport.c
new file mode 100644
index 00000000..af4660c9
--- /dev/null
+++ b/src/spdk/lib/nvmf/transport.c
@@ -0,0 +1,236 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "spdk/stdinc.h"
+
+#include "nvmf_internal.h"
+#include "transport.h"
+
+#include "spdk/config.h"
+#include "spdk/log.h"
+#include "spdk/nvmf.h"
+#include "spdk/queue.h"
+#include "spdk/util.h"
+
+static const struct spdk_nvmf_transport_ops *const g_transport_ops[] = {
+#ifdef SPDK_CONFIG_RDMA
+	&spdk_nvmf_transport_rdma,
+#endif
+};
+
+#define NUM_TRANSPORTS (SPDK_COUNTOF(g_transport_ops))
+
+static inline const struct spdk_nvmf_transport_ops *
+spdk_nvmf_get_transport_ops(enum spdk_nvme_transport_type type)
+{
+	size_t i;
+	for (i = 0; i != NUM_TRANSPORTS; i++) {
+		if (g_transport_ops[i]->type == type) {
+			return g_transport_ops[i];
+		}
+	}
+	return NULL;
+}
+
+struct spdk_nvmf_transport *
+spdk_nvmf_transport_create(enum spdk_nvme_transport_type type,
+			   struct spdk_nvmf_transport_opts *opts)
+{
+	const struct spdk_nvmf_transport_ops *ops = NULL;
+	struct spdk_nvmf_transport *transport;
+
+	if ((opts->max_io_size % opts->io_unit_size != 0) ||
+	    (opts->max_io_size / opts->io_unit_size >
+	     SPDK_NVMF_MAX_SGL_ENTRIES)) {
+		SPDK_ERRLOG("%s: invalid IO size, MaxIO:%d, UnitIO:%d, MaxSGL:%d\n",
+			    spdk_nvme_transport_id_trtype_str(type),
+			    opts->max_io_size,
+			    opts->io_unit_size,
+			    SPDK_NVMF_MAX_SGL_ENTRIES);
+		return NULL;
+	}
+
+	ops = spdk_nvmf_get_transport_ops(type);
+	if (!ops) {
+		SPDK_ERRLOG("Transport type %s unavailable.\n",
+			    spdk_nvme_transport_id_trtype_str(type));
+		return NULL;
+	}
+
+	transport = ops->create(opts);
+	if (!transport) {
+		SPDK_ERRLOG("Unable to create new transport of type %s\n",
+			    spdk_nvme_transport_id_trtype_str(type));
+		return NULL;
+	}
+
+	transport->ops = ops;
+	transport->opts = *opts;
+
+	return transport;
+}
+
+int
+spdk_nvmf_transport_destroy(struct spdk_nvmf_transport *transport)
+{
+	return transport->ops->destroy(transport);
+}
+
+int
+spdk_nvmf_transport_listen(struct spdk_nvmf_transport *transport,
+			   const struct spdk_nvme_transport_id *trid)
+{
+	return transport->ops->listen(transport, trid);
+}
+
+int
+spdk_nvmf_transport_stop_listen(struct spdk_nvmf_transport *transport,
+				const struct spdk_nvme_transport_id *trid)
+{
+	return transport->ops->stop_listen(transport, trid);
+}
+
+void
+spdk_nvmf_transport_accept(struct spdk_nvmf_transport *transport, new_qpair_fn cb_fn)
+{
+	transport->ops->accept(transport, cb_fn);
+}
+
+void
+spdk_nvmf_transport_listener_discover(struct spdk_nvmf_transport *transport,
+				      struct spdk_nvme_transport_id *trid,
+				      struct spdk_nvmf_discovery_log_page_entry *entry)
+{
+	transport->ops->listener_discover(transport, trid, entry);
+}
+
+struct spdk_nvmf_transport_poll_group *
+spdk_nvmf_transport_poll_group_create(struct spdk_nvmf_transport *transport)
+{
+	struct spdk_nvmf_transport_poll_group *group;
+
+	group = transport->ops->poll_group_create(transport);
+	group->transport = transport;
+
+	return group;
+}
+
+void
+spdk_nvmf_transport_poll_group_destroy(struct spdk_nvmf_transport_poll_group *group)
+{
+	group->transport->ops->poll_group_destroy(group);
+}
+
+int
+spdk_nvmf_transport_poll_group_add(struct spdk_nvmf_transport_poll_group *group,
+				   struct spdk_nvmf_qpair *qpair)
+{
+	if (qpair->transport) {
+		assert(qpair->transport == group->transport);
+		if (qpair->transport != group->transport) {
+			return -1;
+		}
+	} else {
+		qpair->transport = group->transport;
+	}
+
+	return group->transport->ops->poll_group_add(group, qpair);
+}
+
+int
+spdk_nvmf_transport_poll_group_poll(struct spdk_nvmf_transport_poll_group *group)
+{
+	return group->transport->ops->poll_group_poll(group);
+}
+
+int
+spdk_nvmf_transport_req_free(struct spdk_nvmf_request *req)
+{
+	return req->qpair->transport->ops->req_free(req);
+}
+
+int
+spdk_nvmf_transport_req_complete(struct spdk_nvmf_request *req)
+{
+	return req->qpair->transport->ops->req_complete(req);
+}
+
+void
+spdk_nvmf_transport_qpair_fini(struct spdk_nvmf_qpair *qpair)
+{
+	qpair->transport->ops->qpair_fini(qpair);
+}
+
+bool
+spdk_nvmf_transport_qpair_is_idle(struct spdk_nvmf_qpair *qpair)
+{
+	return qpair->transport->ops->qpair_is_idle(qpair);
+}
+
+int
+spdk_nvmf_transport_qpair_get_peer_trid(struct spdk_nvmf_qpair *qpair,
+					struct spdk_nvme_transport_id *trid)
+{
+	return qpair->transport->ops->qpair_get_peer_trid(qpair, trid);
+}
+
+int
+spdk_nvmf_transport_qpair_get_local_trid(struct spdk_nvmf_qpair *qpair,
+		struct spdk_nvme_transport_id *trid)
+{
+	return qpair->transport->ops->qpair_get_local_trid(qpair, trid);
+}
+
+int
+spdk_nvmf_transport_qpair_get_listen_trid(struct spdk_nvmf_qpair *qpair,
+		struct spdk_nvme_transport_id *trid)
+{
+	return qpair->transport->ops->qpair_get_listen_trid(qpair, trid);
+}
+
+bool
+spdk_nvmf_transport_opts_init(enum spdk_nvme_transport_type type,
+			      struct spdk_nvmf_transport_opts *opts)
+{
+	const struct spdk_nvmf_transport_ops *ops;
+
+	ops = spdk_nvmf_get_transport_ops(type);
+	if (!ops) {
+		SPDK_ERRLOG("Transport type %s unavailable.\n",
+			    spdk_nvme_transport_id_trtype_str(type));
+		return false;
+	}
+
+	ops->opts_init(opts);
+	return true;
+}