numam-spdk/lib/nvmf/transport.c
Ben Walker b43db69a44 nvmf: Remove spdk_nvmf_transport from public API
The details of the structure were removed earlier, but
now remove all references even to a pointer to the
structure. The user can refer to transports by their
string name.

Change-Id: I273356f46329ea5372dcd951eda6f14767477d69
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2016-11-16 08:11:46 -07:00

111 lines
3.0 KiB
C

/*-
* 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 "transport.h"
#include <stdlib.h>
#include <strings.h>
#include "spdk/log.h"
#include "spdk/nvmf.h"
#include "spdk/queue.h"
#include "nvmf_internal.h"
static const struct spdk_nvmf_transport *const g_transports[] = {
#ifdef SPDK_CONFIG_RDMA
&spdk_nvmf_transport_rdma,
#endif
};
#define NUM_TRANSPORTS (sizeof(g_transports) / sizeof(*g_transports))
int
spdk_nvmf_transport_init(void)
{
size_t i;
int count = 0;
for (i = 0; i != NUM_TRANSPORTS; i++) {
if (g_transports[i]->transport_init(g_nvmf_tgt.max_queue_depth, g_nvmf_tgt.max_io_size,
g_nvmf_tgt.in_capsule_data_size) < 0) {
SPDK_NOTICELOG("%s transport init failed\n", g_transports[i]->name);
} else {
count++;
}
}
return count;
}
int
spdk_nvmf_transport_fini(void)
{
size_t i;
int count = 0;
for (i = 0; i != NUM_TRANSPORTS; i++) {
if (g_transports[i]->transport_fini() < 0) {
SPDK_NOTICELOG("%s transport fini failed\n", g_transports[i]->name);
} else {
count++;
}
}
return count;
}
void
spdk_nvmf_acceptor_poll(void)
{
size_t i;
for (i = 0; i != NUM_TRANSPORTS; i++) {
g_transports[i]->acceptor_poll();
}
}
const struct spdk_nvmf_transport *
spdk_nvmf_transport_get(const char *name)
{
size_t i;
for (i = 0; i != NUM_TRANSPORTS; i++) {
if (strcasecmp(name, g_transports[i]->name) == 0) {
return g_transports[i];
}
}
return NULL;
}