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/*-
* 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"
#include "spdk/endian.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 (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
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
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;
}
/*
* spc3r23 7.5.4.6 iSCSI initiator port TransportID,
* using code format 0x01.
*/
void
spdk_scsi_port_set_iscsi_transport_id(struct spdk_scsi_port *port, char *iscsi_name,
uint64_t isid)
{
struct spdk_scsi_iscsi_transport_id *data;
uint32_t len;
char *name;
memset(port->transport_id, 0, sizeof(port->transport_id));
port->transport_id_len = 0;
data = (struct spdk_scsi_iscsi_transport_id *)port->transport_id;
data->protocol_id = (uint8_t)SPDK_SPC_PROTOCOL_IDENTIFIER_ISCSI;
data->format = 0x1;
name = data->name;
len = snprintf(name, SPDK_SCSI_MAX_TRANSPORT_ID_LENGTH - sizeof(*data),
"%s,i,0x%12.12" PRIx64, iscsi_name, isid);
do {
name[len++] = '\0';
} while (len & 3);
if (len < 20) {
SPDK_ERRLOG("The length of Transport ID should >= 20 bytes\n");
return;
}
to_be16(&data->additional_len, len);
port->transport_id_len = len + sizeof(*data);
}
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