usr.sbin/bhyve/pci_xhci.c

722 	struct pci_xhci_rtsregs *rts;
730 	rts = &sc->rtsregs;
732 	erdp = rts->intrreg.erdp & ~0xF;
733 	erdp_idx = (erdp - rts->erstba_p[rts->er_deq_seg].qwEvrsTablePtr) /
740 	         erdp_idx, rts->er_deq_seg, rts->er_enq_idx,
741 	         rts->er_enq_seg,
742 	         rts->event_pcs, erdp, rts->erstba_p->qwEvrsTablePtr,
743 	         rts->erstba_p->dwEvrsTableSize, do_intr));
745 	evtrbptr = &rts->erst_p[rts->er_enq_idx];
748 	if (rts->er_events_cnt >= rts->erstba_p->dwEvrsTableSize) {
755 	if (rts->er_events_cnt == rts->erstba_p->dwEvrsTableSize - 1) {
758 		if ((evtrbptr->dwTrb3 & 0x1) == (rts->event_pcs & 0x1)) {
768 			               rts->event_pcs;
769 			rts->er_events_cnt++;
770 			memcpy(&rts->erst_p[rts->er_enq_idx], &errev,
772 			rts->er_enq_idx = (rts->er_enq_idx + 1) %
773 			                  rts->erstba_p->dwEvrsTableSize;
780 		rts->er_events_cnt++;
784 	evtrb->dwTrb3 |= rts->event_pcs;
786 	memcpy(&rts->erst_p[rts->er_enq_idx], evtrb, sizeof(struct xhci_trb));
787 	rts->er_enq_idx = (rts->er_enq_idx + 1) %
788 	                  rts->erstba_p->dwEvrsTableSize;
790 	if (rts->er_enq_idx == 0)
791 		rts->event_pcs ^= 1;
1978 	struct pci_xhci_rtsregs *rts;
1992 	rts = &sc->rtsregs;
1997 			rts->intrreg.iman &= ~XHCI_IMAN_INTR_PEND;
1998 		rts->intrreg.iman = (value & XHCI_IMAN_INTR_ENA) |
1999 		                    (rts->intrreg.iman & XHCI_IMAN_INTR_PEND);
2007 		rts->intrreg.imod = value;
2011 		rts->intrreg.erstsz = value & 0xFFFF;
2016 		rts->intrreg.erstba = MASK_64_HI(sc->rtsregs.intrreg.erstba) |
2022 		rts->intrreg.erstba = (value << 32) |
2025 		rts->erstba_p = XHCI_GADDR(sc,
2028 		rts->erst_p = XHCI_GADDR(sc,
2031 		rts->er_enq_idx = 0;
2032 		rts->er_events_cnt = 0;
2035 		        rts->erstba_p,
2036 		        rts->erstba_p->qwEvrsTablePtr,
2037 		        rts->erstba_p->dwEvrsTableSize));
2042 		rts->intrreg.erdp =
2044 		    (rts->intrreg.erdp & XHCI_ERDP_LO_BUSY) |
2047 			rts->intrreg.erdp &= ~XHCI_ERDP_LO_BUSY;
2048 			rts->intrreg.iman &= ~XHCI_IMAN_INTR_PEND;
2051 		rts->er_deq_seg = XHCI_ERDP_LO_SINDEX(value);
2057 		rts->intrreg.erdp = (value << 32) |
2060 		if (rts->er_events_cnt > 0) {
2064 			erdp = rts->intrreg.erdp & ~0xF;
2065 			erdp_i = (erdp - rts->erstba_p->qwEvrsTablePtr) /
2068 			if (erdp_i <= rts->er_enq_idx)
2069 				rts->er_events_cnt = rts->er_enq_idx - erdp_i;
2071 				rts->er_events_cnt =
2072 				          rts->erstba_p->dwEvrsTableSize -
2073 				          (erdp_i - rts->er_enq_idx);
2076 			        erdp, rts->er_events_cnt));