87 	u_int			 split;		/* split BAR2 into 2^x parts */  member
413 	snprintf(buf, sizeof(buf), "hint.%s.%d.split", device_get_name(dev),  in ntb_plx_attach()
415 	TUNABLE_INT_FETCH(buf, &sc->split);  in ntb_plx_attach()
416 	if (sc->split > 7) {  in ntb_plx_attach()
417 		device_printf(dev, "Split value is too high (%u)\n", sc->split);  in ntb_plx_attach()
418 		sc->split = 0;  in ntb_plx_attach()
419 	} else if (sc->split > 0 && sc->alut == 0) {  in ntb_plx_attach()
420 		device_printf(dev, "Can't split with disabled A-LUT\n");  in ntb_plx_attach()
421 		sc->split = 0;  in ntb_plx_attach()
422 	} else if (sc->split > 0 && (sc->mw_count == 0 || sc->mw_info[0].mw_bar != 2)) {  in ntb_plx_attach()
423 		device_printf(dev, "Can't split disabled BAR2\n");  in ntb_plx_attach()
424 		sc->split = 0;  in ntb_plx_attach()
425 	} else if (sc->split > 0 && (sc->b2b_mw == 0 && sc->b2b_off == 0)) {  in ntb_plx_attach()
426 		device_printf(dev, "Can't split BAR2 consumed by B2B\n");  in ntb_plx_attach()
427 		sc->split = 0;  in ntb_plx_attach()
428 	} else if (sc->split > 0) {  in ntb_plx_attach()
430 		    1 << sc->split);  in ntb_plx_attach()
616 	res += (1 << sc->split) - 1;  in ntb_plx_mw_count()
627 	t = 1 << sc->split;  in ntb_plx_user_mw_to_idx()
644 	unsigned sp, split;  in ntb_plx_mw_get_range()  local
656 	split = (mw->mw_bar == 2) ? sc->split : 0;  in ntb_plx_mw_get_range()
657 	ss = (mw->mw_size - off) >> split;  in ntb_plx_mw_get_range()
712 	unsigned i, sp, split;  in ntb_plx_mw_set_trans_internal()  local
716 	split = (mw->mw_bar == 2) ? sc->split : 0;  in ntb_plx_mw_set_trans_internal()
718 	/* Get BAR size.  In case of split or B2RP we can't change it. */  in ntb_plx_mw_set_trans_internal()
719 	if (split || sc->b2b_mw < 0) {  in ntb_plx_mw_set_trans_internal()
760 	addr = split ? UINT64_MAX : mw->splits[0].mw_xlat_addr;  in ntb_plx_mw_set_trans_internal()
769 	size = split ? 0 : mw->splits[0].mw_xlat_size;  in ntb_plx_mw_set_trans_internal()
770 	if (sc->alut && mw->mw_bar == 2 && (sc->split > 0 ||  in ntb_plx_mw_set_trans_internal()
774 			if (i % (128 * sc->alut >> sc->split) == 0) {  in ntb_plx_mw_set_trans_internal()
845 	unsigned sp, split;  in ntb_plx_mw_set_wc()  local
861 	split = (mw->mw_bar == 2) ? sc->split : 0;  in ntb_plx_mw_set_wc()
862 	ss = (mw->mw_size - off) >> split;  in ntb_plx_mw_set_wc()