scsi/libfc/fc_exch.c

446 	index = (ep->xid - ep->em->min_xid) >> fc_cpu_order;
875 	ep->oxid = ep->xid = (index << fc_cpu_order | cpu) + mp->min_xid;
924  * @xid: The XID of the exchange to look up
926 static struct fc_exch *fc_exch_find(struct fc_exch_mgr *mp, u16 xid)
931 	u16 cpu = xid & fc_cpu_mask;
933 	if (xid == FC_XID_UNKNOWN)
937 		pr_err("host%u: lport %6.6x: xid %d invalid CPU %d\n:",
938 		       lport->host->host_no, lport->port_id, xid, cpu);
942 	if ((xid >= mp->min_xid) && (xid <= mp->max_xid)) {
945 		ep = fc_exch_ptr_get(pool, (xid - mp->min_xid) >> fc_cpu_order);
947 			FC_LPORT_DBG(lport, "xid %x quarantined\n", xid);
951 			WARN_ON(ep->xid != xid);
1016 		ep->rxid = ep->xid;
1047 	u16 xid;
1056 		xid = ntohs(fh->fh_ox_id);	/* we originated exch */
1057 		ep = fc_exch_find(mp, xid);
1070 		xid = ntohs(fh->fh_rx_id);	/* we are the responder */
1077 		if (xid == 0 && fh->fh_r_ctl == FC_RCTL_ELS_REQ &&
1080 			xid = FC_XID_UNKNOWN;
1086 		ep = fc_exch_find(mp, xid);
1098 			xid = ep->xid;	/* get our XID */
1175 	u16 xid;
1179 	xid = ntohs((f_ctl & FC_FC_EX_CTX) ? fh->fh_ox_id : fh->fh_rx_id);
1180 	ep = fc_exch_find(mp, xid);
1996  * @xid: The exchange ID
2000 static struct fc_exch *fc_exch_lookup(struct fc_lport *lport, u32 xid)
2005 		if (ema->mp->min_xid <= xid && xid <= ema->mp->max_xid)
2006 			return fc_exch_find(ema->mp, xid);
2026 	u16 xid, rxid, oxid;
2039 		xid = oxid;
2041 		xid = rxid;
2042 	if (xid == FC_XID_UNKNOWN) {
2048 	ep = fc_exch_lookup(lport, xid);
2209 	if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) {
2211 		fc_fcp_ddp_setup(fr_fsp(fp), ep->xid);
2299 	u16 xid;
2312 	xid = fc_host_port_id(lport->host) == sid ?
2314 	ep = fc_exch_lookup(lport, xid);
2319 	FC_EXCH_DBG(ep, "RRQ request from %x: xid %x rxid %x oxid %x\n",
2320 		    sid, xid, ntohs(rp->rrq_rx_id), ntohs(rp->rrq_ox_id));
2489 	/* adjust em exch xid range for offload */
2569  * upon 'xid'.
2579 	u16 xid;
2582 		xid = ntohs(fh->fh_ox_id);
2584 		xid = ntohs(fh->fh_rx_id);
2585 		if (xid == FC_XID_UNKNOWN)
2591 		if ((xid >= ema->mp->min_xid) &&
2592 		    (xid <= ema->mp->max_xid))
2620 				    "fc_ctl <0x%x>, xid <0x%x>\n",