84 	struct fw_xferq *ir;  member
239 	if (d->ir != NULL) {  in fw_free()
240 		struct fw_xferq *ir = d->ir;  in fw_free()  local
242 		if ((ir->flag & FWXFERQ_OPEN) == 0)  in fw_free()
244 		if (ir->flag & FWXFERQ_RUNNING) {  in fw_free()
245 			ir->flag &= ~FWXFERQ_RUNNING;  in fw_free()
246 			fc->irx_disable(fc, ir->dmach);  in fw_free()
249 		fwdev_freebuf(ir);  in fw_free()
251 		for (xfer = STAILQ_FIRST(&ir->q);  in fw_free()
252 			xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {  in fw_free()
253 			ir->queued --;  in fw_free()
254 			STAILQ_REMOVE_HEAD(&ir->q, link);  in fw_free()
259 		ir->flag &= ~(FWXFERQ_OPEN |  in fw_free()
261 		d->ir = NULL;  in fw_free()
364 	struct fw_xferq *ir;  in fw_read()  local
375 	ir = d->ir;  in fw_read()
377 	if (ir == NULL)  in fw_read()
380 	if (ir->buf == NULL)  in fw_read()
385 	if (ir->stproc == NULL) {  in fw_read()
387 		ir->stproc = STAILQ_FIRST(&ir->stvalid);  in fw_read()
388 		if (ir->stproc != NULL) {  in fw_read()
390 			STAILQ_REMOVE_HEAD(&ir->stvalid, link);  in fw_read()
392 			ir->queued = 0;  in fw_read()
395 	if (ir->stproc == NULL) {  in fw_read()
399 			ir->flag |= FWXFERQ_WAKEUP;  in fw_read()
402 			err = acquire_sem_etc(ir->Sem, 1, B_CAN_INTERRUPT | B_TIMEOUT, 1000000);  in fw_read()
405 			ir->flag &= ~FWXFERQ_WAKEUP;  in fw_read()
412 	} else if (ir->stproc != NULL) {  in fw_read()
415 		fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,   in fw_read()
416 				ir->stproc->poffset + ir->queued);  in fw_read()
432 		ir->queued ++;  in fw_read()
433 		if (ir->queued >= ir->bnpacket) {  in fw_read()
435 			STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);  in fw_read()
437 			fc->irx_enable(fc, ir->dmach);  in fw_read()
438 			ir->stproc = NULL;  in fw_read()
440 		if (pbytes >= ir->psize) {  in fw_read()
663 	struct fw_xferq *ir, *it;  in fw_ioctl()  local
681 	ir = d->ir;  in fw_ioctl()
712 		if (ir == NULL) {  in fw_ioctl()
718 			ir = fc->ir[i];  in fw_ioctl()
719 			err = fwdev_allocbuf(ir, &d->bufreq.rx);  in fw_ioctl()
721 				ir->flag &= ~FWXFERQ_OPEN;  in fw_ioctl()
725 		ir->flag &= ~0xff;  in fw_ioctl()
726 		ir->flag |= (0x3f & ichreq->ch);  in fw_ioctl()
727 		ir->flag |= ((0x3 & ichreq->tag) << 6);  in fw_ioctl()
728 		d->ir = ir;  in fw_ioctl()
729 		err = fc->irx_enable(fc, ir->dmach);  in fw_ioctl()
732 		if (d->ir != NULL) {  in fw_ioctl()
733 			ichreq->ch = ir->flag & 0x3f;  in fw_ioctl()
734 			ichreq->tag = ir->flag >> 2 & 0x3;  in fw_ioctl()
743 		if (ir != NULL) {  in fw_ioctl()
744 			ibufreq->rx.nchunk = ir->bnchunk;  in fw_ioctl()
745 			ibufreq->rx.npacket = ir->bnpacket;  in fw_ioctl()
746 			ibufreq->rx.psize = ir->psize;  in fw_ioctl()