38dfce0428
SCSI persistent reservation feature need to get the TransportID for the I_T nexus, so when creating initiator port we also set the TransportID according to the specification, while here, we use the format code 0x1 for the TransportID. Change-Id: Ib45bec04bf0e33e2b0f611dd3846597f4176d069 Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-on: https://review.gerrithub.io/435212 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "scsi_internal.h"
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#include "spdk/endian.h"
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struct spdk_scsi_port *
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spdk_scsi_port_create(uint64_t id, uint16_t index, const char *name)
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{
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struct spdk_scsi_port *port;
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port = calloc(1, sizeof(struct spdk_scsi_port));
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if (!port) {
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return NULL;
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}
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if (spdk_scsi_port_construct(port, id, index, name) != 0) {
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spdk_scsi_port_free(&port);
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return NULL;
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}
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return port;
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}
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void
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spdk_scsi_port_free(struct spdk_scsi_port **pport)
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{
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struct spdk_scsi_port *port;
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if (!pport) {
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return;
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}
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port = *pport;
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*pport = NULL;
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free(port);
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}
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int
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spdk_scsi_port_construct(struct spdk_scsi_port *port, uint64_t id, uint16_t index,
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const char *name)
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{
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if (strlen(name) >= sizeof(port->name)) {
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SPDK_ERRLOG("port name too long\n");
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return -1;
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}
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port->is_used = 1;
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port->id = id;
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port->index = index;
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snprintf(port->name, sizeof(port->name), "%s", name);
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return 0;
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}
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void
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spdk_scsi_port_destruct(struct spdk_scsi_port *port)
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{
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memset(port, 0, sizeof(struct spdk_scsi_port));
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}
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const char *
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spdk_scsi_port_get_name(const struct spdk_scsi_port *port)
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{
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return port->name;
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}
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/*
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* spc3r23 7.5.4.6 iSCSI initiator port TransportID,
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* using code format 0x01.
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*/
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void
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spdk_scsi_port_set_iscsi_transport_id(struct spdk_scsi_port *port, char *iscsi_name,
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uint64_t isid)
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{
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struct spdk_scsi_iscsi_transport_id *data;
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uint32_t len;
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char *name;
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memset(port->transport_id, 0, sizeof(port->transport_id));
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port->transport_id_len = 0;
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data = (struct spdk_scsi_iscsi_transport_id *)port->transport_id;
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data->protocol_id = (uint8_t)SPDK_SPC_PROTOCOL_IDENTIFIER_ISCSI;
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data->format = 0x1;
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name = data->name;
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len = snprintf(name, SPDK_SCSI_MAX_TRANSPORT_ID_LENGTH - sizeof(*data),
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"%s,i,0x%12.12" PRIx64, iscsi_name, isid);
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do {
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name[len++] = '\0';
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} while (len & 3);
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if (len < 20) {
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SPDK_ERRLOG("The length of Transport ID should >= 20 bytes\n");
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return;
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}
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to_be16(&data->additional_len, len);
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port->transport_id_len = len + sizeof(*data);
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}
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