numam-spdk/lib/scsi/port.c
Shuhei Matsumoto 0e5b81b3d7 scsi: remove port from scsi_dev dynamically
Current implementation supports only adding port to scsi_dev.
This change is required to support dynamic remapping of portals.

Change-Id: Idce49aeae43c8861ebe2807df853694f7bacf884
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/379931
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-10-12 15:46:14 -04:00

97 lines
2.7 KiB
C

/*-
* BSD LICENSE
*
* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
* 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 "scsi_internal.h"
struct spdk_scsi_port *
spdk_scsi_port_create(uint64_t id, uint16_t index, const char *name)
{
struct spdk_scsi_port *port;
port = calloc(1, sizeof(struct spdk_scsi_port));
if (!port) {
return NULL;
}
if (spdk_scsi_port_construct(port, id, index, name) != 0) {
spdk_scsi_port_free(&port);
return NULL;
}
return port;
}
void
spdk_scsi_port_free(struct spdk_scsi_port **pport)
{
struct spdk_scsi_port *port;
if (!pport) {
return;
}
port = *pport;
*pport = NULL;
free(port);
}
int
spdk_scsi_port_construct(struct spdk_scsi_port *port, uint64_t id, uint16_t index,
const char *name)
{
if (strlen(name) >= sizeof(port->name)) {
SPDK_ERRLOG("port name too long\n");
return -1;
}
port->is_used = 1;
port->id = id;
port->index = index;
snprintf(port->name, sizeof(port->name), "%s", name);
return 0;
}
void
spdk_scsi_port_destruct(struct spdk_scsi_port *port)
{
memset(port, 0, sizeof(struct spdk_scsi_port));
}
const char *
spdk_scsi_port_get_name(const struct spdk_scsi_port *port)
{
return port->name;
}