Spdk/lib/bdev/nvme/common.c
Maciej Szwed d5565d6bd4 ftl: Use global bdev NVMe controllers list for FTL bdevs
This will make possible to make some NVMe bdev related
functionalities to be common for NVMe and FTL bdevs.

Signed-off-by: Maciej Szwed <maciej.szwed@intel.com>
Change-Id: Iafc2acc3ac54deb762bc7205180f41d5befbb42b
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/443552
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-03-04 19:00:23 +00:00

71 lines
2.4 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/env.h"
#include "common.h"
struct nvme_bdev_ctrlrs g_nvme_bdev_ctrlrs = TAILQ_HEAD_INITIALIZER(g_nvme_bdev_ctrlrs);
pthread_mutex_t g_bdev_nvme_mutex = PTHREAD_MUTEX_INITIALIZER;
struct nvme_bdev_ctrlr *
nvme_bdev_ctrlr_get(const struct spdk_nvme_transport_id *trid)
{
struct nvme_bdev_ctrlr *nvme_bdev_ctrlr;
TAILQ_FOREACH(nvme_bdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
if (spdk_nvme_transport_id_compare(trid, &nvme_bdev_ctrlr->trid) == 0) {
return nvme_bdev_ctrlr;
}
}
return NULL;
}
struct nvme_bdev_ctrlr *
nvme_bdev_ctrlr_get_by_name(const char *name)
{
struct nvme_bdev_ctrlr *nvme_bdev_ctrlr;
if (name == NULL) {
return NULL;
}
TAILQ_FOREACH(nvme_bdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
if (strcmp(name, nvme_bdev_ctrlr->name) == 0) {
return nvme_bdev_ctrlr;
}
}
return NULL;
}