static void zfcp_scsi_rport_register(struct zfcp_port *port)
{
struct fc_rport_identifiers ids;
struct fc_rport *rport;
if (port->rport)
return;
ids.node_name = port->wwnn;
ids.port_name = port->wwpn;
ids.port_id = port->d_id;
ids.roles = FC_RPORT_ROLE_FCP_TARGET;
zfcp_dbf_rec_trig_lock("scpaddy", port->adapter, port, NULL,
ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD,
ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD);
rport = fc_remote_port_add(port->adapter->scsi_host, 0, &ids);
if (!rport) {
dev_err(&port->adapter->ccw_device->dev,
"Registering port 0x%016Lx failed\n",
(unsigned long long)port->wwpn);
return;
}
rport->maxframe_size = port->maxframe_size;
rport->supported_classes = port->supported_classes;
port->rport = rport;
port->starget_id = rport->scsi_target_id;
zfcp_unit_queue_scsi_scan(port);
}
/*
* csio_reg_rnode - Register a remote port with FC transport.
* @rn: Rnode representing remote port.
*
* Call fc_remote_port_add() to register this remote port with FC transport.
* If remote port is Initiator OR Target OR both, change the role appropriately.
*
*/
void
csio_reg_rnode(struct csio_rnode *rn)
{
struct csio_lnode *ln = csio_rnode_to_lnode(rn);
struct Scsi_Host *shost = csio_ln_to_shost(ln);
struct fc_rport_identifiers ids;
struct fc_rport *rport;
struct csio_service_parms *sp;
ids.node_name = wwn_to_u64(csio_rn_wwnn(rn));
ids.port_name = wwn_to_u64(csio_rn_wwpn(rn));
ids.port_id = rn->nport_id;
ids.roles = FC_RPORT_ROLE_UNKNOWN;
if (rn->role & CSIO_RNFR_INITIATOR || rn->role & CSIO_RNFR_TARGET) {
rport = rn->rport;
CSIO_ASSERT(rport != NULL);
goto update_role;
}
rn->rport = fc_remote_port_add(shost, 0, &ids);
if (!rn->rport) {
csio_ln_err(ln, "Failed to register rport = 0x%x.\n",
rn->nport_id);
return;
}
ln->num_reg_rnodes++;
rport = rn->rport;
spin_lock_irq(shost->host_lock);
*((struct csio_rnode **)rport->dd_data) = rn;
spin_unlock_irq(shost->host_lock);
sp = &rn->rn_sparm;
rport->maxframe_size = ntohs(sp->csp.sp_bb_data);
if (ntohs(sp->clsp[2].cp_class) & FC_CPC_VALID)
rport->supported_classes = FC_COS_CLASS3;
else
rport->supported_classes = FC_COS_UNSPECIFIED;
update_role:
if (rn->role & CSIO_RNFR_INITIATOR)
ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
if (rn->role & CSIO_RNFR_TARGET)
ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
if (ids.roles != FC_RPORT_ROLE_UNKNOWN)
fc_remote_port_rolechg(rport, ids.roles);
rn->scsi_id = rport->scsi_target_id;
csio_ln_dbg(ln, "Remote port x%x role 0x%x registered\n",
rn->nport_id, ids.roles);
}
