548 static inline void init_ps_mdata(struct ps_mdata *mdata,  in init_ps_mdata()  argument
553 	mdata->rcd = rcd;  in init_ps_mdata()
554 	mdata->rsize = packet->rsize;  in init_ps_mdata()
555 	mdata->maxcnt = packet->maxcnt;  in init_ps_mdata()
556 	mdata->ps_head = packet->rhqoff;  in init_ps_mdata()
559 		mdata->ps_tail = get_rcvhdrtail(rcd);  in init_ps_mdata()
561 			mdata->ps_seq = hfi1_seq_cnt(rcd);  in init_ps_mdata()
563 			mdata->ps_seq = 0; /* not used with DMA_RTAIL */  in init_ps_mdata()
565 		mdata->ps_tail = 0; /* used only with DMA_RTAIL*/  in init_ps_mdata()
566 		mdata->ps_seq = hfi1_seq_cnt(rcd);  in init_ps_mdata()
570 static inline int ps_done(struct ps_mdata *mdata, u64 rhf,  in ps_done()  argument
574 		return mdata->ps_head == mdata->ps_tail;  in ps_done()
575 	return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_done()
578 static inline int ps_skip(struct ps_mdata *mdata, u64 rhf,  in ps_skip()  argument
585 	if ((rcd->ctxt == HFI1_CTRL_CTXT) && (mdata->ps_head != mdata->ps_tail))  in ps_skip()
586 		return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_skip()
591 static inline void update_ps_mdata(struct ps_mdata *mdata,  in update_ps_mdata()  argument
594 	mdata->ps_head += mdata->rsize;  in update_ps_mdata()
595 	if (mdata->ps_head >= mdata->maxcnt)  in update_ps_mdata()
596 		mdata->ps_head = 0;  in update_ps_mdata()
601 		mdata->ps_seq = hfi1_seq_incr_wrap(mdata->ps_seq);  in update_ps_mdata()
620 	struct ps_mdata mdata;  in __prescan_rxq()  local
622 	init_ps_mdata(&mdata, packet);  in __prescan_rxq()
626 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in __prescan_rxq()
635 		if (ps_done(&mdata, rhf, rcd))  in __prescan_rxq()
638 		if (ps_skip(&mdata, rhf, rcd))  in __prescan_rxq()
678 		update_ps_mdata(&mdata, rcd);  in __prescan_rxq()
1875 	struct ps_mdata mdata;  in seqfile_dump_rcd()  local
1890 	init_ps_mdata(&mdata, &packet);  in seqfile_dump_rcd()
1893 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in seqfile_dump_rcd()
1902 		if (ps_done(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1905 		if (ps_skip(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1928 			   mdata.ps_head, opcode, qpn, psn);  in seqfile_dump_rcd()
1930 		update_ps_mdata(&mdata, rcd);  in seqfile_dump_rcd()