501 static inline void init_ps_mdata(struct ps_mdata *mdata,  in init_ps_mdata()  argument
506 	mdata->rcd = rcd;  in init_ps_mdata()
507 	mdata->rsize = packet->rsize;  in init_ps_mdata()
508 	mdata->maxcnt = packet->maxcnt;  in init_ps_mdata()
509 	mdata->ps_head = packet->rhqoff;  in init_ps_mdata()
512 		mdata->ps_tail = get_rcvhdrtail(rcd);  in init_ps_mdata()
514 			mdata->ps_seq = hfi1_seq_cnt(rcd);  in init_ps_mdata()
516 			mdata->ps_seq = 0; /* not used with DMA_RTAIL */  in init_ps_mdata()
518 		mdata->ps_tail = 0; /* used only with DMA_RTAIL*/  in init_ps_mdata()
519 		mdata->ps_seq = hfi1_seq_cnt(rcd);  in init_ps_mdata()
523 static inline int ps_done(struct ps_mdata *mdata, u64 rhf,  in ps_done()  argument
527 		return mdata->ps_head == mdata->ps_tail;  in ps_done()
528 	return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_done()
531 static inline int ps_skip(struct ps_mdata *mdata, u64 rhf,  in ps_skip()  argument
538 	if ((rcd->ctxt == HFI1_CTRL_CTXT) && (mdata->ps_head != mdata->ps_tail))  in ps_skip()
539 		return mdata->ps_seq != rhf_rcv_seq(rhf);  in ps_skip()
544 static inline void update_ps_mdata(struct ps_mdata *mdata,  in update_ps_mdata()  argument
547 	mdata->ps_head += mdata->rsize;  in update_ps_mdata()
548 	if (mdata->ps_head >= mdata->maxcnt)  in update_ps_mdata()
549 		mdata->ps_head = 0;  in update_ps_mdata()
554 		mdata->ps_seq = hfi1_seq_incr_wrap(mdata->ps_seq);  in update_ps_mdata()
573 	struct ps_mdata mdata;  in __prescan_rxq()  local
575 	init_ps_mdata(&mdata, packet);  in __prescan_rxq()
579 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in __prescan_rxq()
588 		if (ps_done(&mdata, rhf, rcd))  in __prescan_rxq()
591 		if (ps_skip(&mdata, rhf, rcd))  in __prescan_rxq()
631 		update_ps_mdata(&mdata, rcd);  in __prescan_rxq()
1826 	struct ps_mdata mdata;  in seqfile_dump_rcd()  local
1841 	init_ps_mdata(&mdata, &packet);  in seqfile_dump_rcd()
1844 		__le32 *rhf_addr = (__le32 *)rcd->rcvhdrq + mdata.ps_head +  in seqfile_dump_rcd()
1853 		if (ps_done(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1856 		if (ps_skip(&mdata, rhf, rcd))  in seqfile_dump_rcd()
1879 			   mdata.ps_head, opcode, qpn, psn);  in seqfile_dump_rcd()
1881 		update_ps_mdata(&mdata, rcd);  in seqfile_dump_rcd()