515 static inline void init_ps_mdata(struct ps_mdata *mdata,  in init_ps_mdata()  argument
520 	mdata->rcd = rcd;  in init_ps_mdata()
521 	mdata->rsize = packet->rsize;  in init_ps_mdata()
522 	mdata->maxcnt = packet->maxcnt;  in init_ps_mdata()
523 	mdata->ps_head = packet->rhqoff;  in init_ps_mdata()
526 		mdata->ps_tail = get_rcvhdrtail(rcd);  in init_ps_mdata()
528 			mdata->ps_seq = rcd->seq_cnt;  in init_ps_mdata()
530 			mdata->ps_seq = 0; /* not used with DMA_RTAIL */  in init_ps_mdata()
532 		mdata->ps_tail = 0; /* used only with DMA_RTAIL*/  in init_ps_mdata()
533 		mdata->ps_seq = rcd->seq_cnt;  in init_ps_mdata()
537 static inline int ps_done(struct ps_mdata *mdata, u64 rhf,  in ps_done()  argument
541 		return mdata->ps_head == mdata->ps_tail;  in ps_done()
542 	return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_done()
545 static inline int ps_skip(struct ps_mdata *mdata, u64 rhf,  in ps_skip()  argument
552 	if ((rcd->ctxt == HFI1_CTRL_CTXT) && (mdata->ps_head != mdata->ps_tail))  in ps_skip()
553 		return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_skip()
558 static inline void update_ps_mdata(struct ps_mdata *mdata,  in update_ps_mdata()  argument
561 	mdata->ps_head += mdata->rsize;  in update_ps_mdata()
562 	if (mdata->ps_head >= mdata->maxcnt)  in update_ps_mdata()
563 		mdata->ps_head = 0;  in update_ps_mdata()
568 		if (++mdata->ps_seq > 13)  in update_ps_mdata()
569 			mdata->ps_seq = 1;  in update_ps_mdata()
589 	struct ps_mdata mdata;  in __prescan_rxq()  local
591 	init_ps_mdata(&mdata, packet);  in __prescan_rxq()
595 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in __prescan_rxq()
605 		if (ps_done(&mdata, rhf, rcd))  in __prescan_rxq()
608 		if (ps_skip(&mdata, rhf, rcd))  in __prescan_rxq()
650 		update_ps_mdata(&mdata, rcd);  in __prescan_rxq()
1707 	struct ps_mdata mdata;  in seqfile_dump_rcd()  local
1718 	init_ps_mdata(&mdata, &packet);  in seqfile_dump_rcd()
1721 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in seqfile_dump_rcd()
1730 		if (ps_done(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1733 		if (ps_skip(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1756 			   mdata.ps_head, opcode, qpn, psn);  in seqfile_dump_rcd()
1758 		update_ps_mdata(&mdata, rcd);  in seqfile_dump_rcd()