Exemple #1
0
static int
iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
		     struct iscsi_cls_conn *cls_conn, uint64_t transport_eph,
		     int is_leading)
{
	struct iscsi_conn *conn = cls_conn->dd_data;
	struct iscsi_iser_conn *iser_conn;
	struct iser_conn *ib_conn;
	struct iscsi_endpoint *ep;
	int error;

	error = iscsi2_conn_bind(cls_session, cls_conn, is_leading);
	if (error)
		return error;

	/* the transport ep handle comes from user space so it must be
	 * verified against the global ib connections list */
	ep = iscsi2_lookup_endpoint(transport_eph);
	if (!ep) {
		iser_err("can't bind eph %llx\n",
			 (unsigned long long)transport_eph);
		return -EINVAL;
	}
	ib_conn = ep->dd_data;

	/* binds the iSER connection retrieved from the previously
	 * connected ep_handle to the iSCSI layer connection. exchanges
	 * connection pointers */
	iser_err("binding iscsi/iser conn %p %p to ib_conn %p\n",
					conn, conn->dd_data, ib_conn);
	iser_conn = conn->dd_data;
	ib_conn->iser_conn = iser_conn;
	iser_conn->ib_conn  = ib_conn;
	iser_conn_get(ib_conn); /* ref iscsi/ib conn binding */
	return 0;
}
Exemple #2
0
/**
 * beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
 * @cls_session: pointer to iscsi cls session
 * @cls_conn: pointer to iscsi cls conn
 * @transport_fd: EP handle(64 bit)
 *
 * This function binds the TCP Conn with iSCSI Connection and Session.
 */
int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
		      struct iscsi_cls_conn *cls_conn,
		      u64 transport_fd, int is_leading)
{
	struct iscsi_conn *conn = cls_conn->dd_data;
	struct beiscsi_conn *beiscsi_conn = conn->dd_data;
	struct Scsi_Host *shost =
		(struct Scsi_Host *)iscsi_session_to_shost(cls_session);
	struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
	struct beiscsi_endpoint *beiscsi_ep;
	struct iscsi_endpoint *ep;

	SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_bind\n");
	ep = iscsi2_lookup_endpoint(transport_fd);
	if (!ep)
		return -EINVAL;

	beiscsi_ep = ep->dd_data;

	if (iscsi2_conn_bind(cls_session, cls_conn, is_leading))
		return -EINVAL;

	if (beiscsi_ep->phba != phba) {
		SE_DEBUG(DBG_LVL_8,
			 "beiscsi_ep->hba=%p not equal to phba=%p \n",
			 beiscsi_ep->phba, phba);
		return -EEXIST;
	}

	beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
	beiscsi_conn->ep = beiscsi_ep;
	beiscsi_ep->conn = beiscsi_conn;
	SE_DEBUG(DBG_LVL_8, "beiscsi_conn=%p conn=%p ep_cid=%d \n",
		 beiscsi_conn, conn, beiscsi_ep->ep_cid);
	return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
}