bus/firewire/fw_raw.c

85 	struct fw_xferq *it;
264 	if (d->it != NULL) {
265 		struct fw_xferq *it = d->it;
267 		if ((it->flag & FWXFERQ_OPEN) == 0)
269 		if (it->flag & FWXFERQ_RUNNING) {
270 			it->flag &= ~FWXFERQ_RUNNING;
271 			fc->itx_disable(fc, it->dmach);
274 		fwdev_freebuf(it);
275 		it->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
276 		d->it = NULL;
548 	struct fw_xferq *it;
556 	it = d->it;
558 	if (it == NULL)
561 	if (it->buf == NULL)
566 	if (it->stproc == NULL) {
567 		it->stproc = STAILQ_FIRST(&it->stfree);
568 		if (it->stproc != NULL) {
570 			STAILQ_REMOVE_HEAD(&it->stfree, link);
572 			it->queued = 0;
576 			err = fc->itx_enable(fc, it->dmach);
580 //			err = msleep(it, FW_GMTX(fc), FWPRI, "fw_write", hz);
582 			err = acquire_sem_etc(it->Sem, 1, B_CAN_INTERRUPT | B_TIMEOUT, 1000000);
595 	fp = (struct fw_pkt *)fwdma_v_addr(it->buf,
596 			it->stproc->poffset + it->queued);
614 	it->queued ++;
615 	if (it->queued >= it->bnpacket) {
617 		STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link);
619 		it->stproc = NULL;
620 		err = fc->itx_enable(fc, it->dmach);
663 	struct fw_xferq *ir, *it;
682 	it = d->it;
686 		if (it == NULL) {
692 			it = fc->it[i];
693 			err = fwdev_allocbuf(it, &d->bufreq.tx);
695 				it->flag &= ~FWXFERQ_OPEN;
699 		it->flag &= ~0xff;
700 		it->flag |= (0x3f & ichreq->ch);
701 		it->flag |= ((0x3 & ichreq->tag) << 6);
702 		d->it = it;
705 		if (it != NULL) {
706 			ichreq->ch = it->flag & 0x3f;
707 			ichreq->tag = it->flag >> 2 & 0x3;
749 		if (it != NULL) {
750 			ibufreq->tx.nchunk = it->bnchunk;
751 			ibufreq->tx.npacket = it->bnpacket;
752 			ibufreq->tx.psize = it->psize;