544 static inline void init_ps_mdata(struct ps_mdata *mdata,  in init_ps_mdata()  argument
549 	mdata->rcd = rcd;  in init_ps_mdata()
550 	mdata->rsize = packet->rsize;  in init_ps_mdata()
551 	mdata->maxcnt = packet->maxcnt;  in init_ps_mdata()
552 	mdata->ps_head = packet->rhqoff;  in init_ps_mdata()
555 		mdata->ps_tail = get_rcvhdrtail(rcd);  in init_ps_mdata()
557 			mdata->ps_seq = rcd->seq_cnt;  in init_ps_mdata()
559 			mdata->ps_seq = 0; /* not used with DMA_RTAIL */  in init_ps_mdata()
561 		mdata->ps_tail = 0; /* used only with DMA_RTAIL*/  in init_ps_mdata()
562 		mdata->ps_seq = rcd->seq_cnt;  in init_ps_mdata()
566 static inline int ps_done(struct ps_mdata *mdata, u64 rhf,  in ps_done()  argument
570 		return mdata->ps_head == mdata->ps_tail;  in ps_done()
571 	return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_done()
574 static inline int ps_skip(struct ps_mdata *mdata, u64 rhf,  in ps_skip()  argument
581 	if ((rcd->ctxt == HFI1_CTRL_CTXT) && (mdata->ps_head != mdata->ps_tail))  in ps_skip()
582 		return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_skip()
587 static inline void update_ps_mdata(struct ps_mdata *mdata,  in update_ps_mdata()  argument
590 	mdata->ps_head += mdata->rsize;  in update_ps_mdata()
591 	if (mdata->ps_head >= mdata->maxcnt)  in update_ps_mdata()
592 		mdata->ps_head = 0;  in update_ps_mdata()
597 		if (++mdata->ps_seq > 13)  in update_ps_mdata()
598 			mdata->ps_seq = 1;  in update_ps_mdata()
618 	struct ps_mdata mdata;  in __prescan_rxq()  local
620 	init_ps_mdata(&mdata, packet);  in __prescan_rxq()
624 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in __prescan_rxq()
633 		if (ps_done(&mdata, rhf, rcd))  in __prescan_rxq()
636 		if (ps_skip(&mdata, rhf, rcd))  in __prescan_rxq()
676 		update_ps_mdata(&mdata, rcd);  in __prescan_rxq()
1748 	struct ps_mdata mdata;  in seqfile_dump_rcd()  local
1759 	init_ps_mdata(&mdata, &packet);  in seqfile_dump_rcd()
1762 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in seqfile_dump_rcd()
1771 		if (ps_done(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1774 		if (ps_skip(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1797 			   mdata.ps_head, opcode, qpn, psn);  in seqfile_dump_rcd()
1799 		update_ps_mdata(&mdata, rcd);  in seqfile_dump_rcd()