dev/firewire/fwdev.c

87 	struct fw_xferq *ir;
220 	if (d->ir != NULL) {
221 		struct fw_xferq *ir = d->ir;
223 		if ((ir->flag & FWXFERQ_OPEN) == 0)
225 		if (ir->flag & FWXFERQ_RUNNING) {
226 			ir->flag &= ~FWXFERQ_RUNNING;
227 			fc->irx_disable(fc, ir->dmach);
230 		fwdev_freebuf(ir);
232 		for (xfer = STAILQ_FIRST(&ir->q);
233 		    xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
234 			ir->queued--;
235 			STAILQ_REMOVE_HEAD(&ir->q, link);
240 		ir->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK |
242 		d->ir = NULL;
317 	struct fw_xferq *ir;
327 	ir = d->ir;
329 	if (ir == NULL)
332 	if (ir->buf == NULL)
337 	if (ir->stproc == NULL) {
339 		ir->stproc = STAILQ_FIRST(&ir->stvalid);
340 		if (ir->stproc != NULL) {
342 			STAILQ_REMOVE_HEAD(&ir->stvalid, link);
344 			ir->queued = 0;
347 	if (ir->stproc == NULL) {
351 			ir->flag |= FWXFERQ_WAKEUP;
352 			err = msleep(ir, FW_GMTX(fc), FWPRI, "fw_read", hz);
353 			ir->flag &= ~FWXFERQ_WAKEUP;
360 	} else if (ir->stproc != NULL) {
363 		fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,
364 		    ir->stproc->poffset + ir->queued);
373 		ir->queued++;
374 		if (ir->queued >= ir->bnpacket) {
376 			STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
378 			fc->irx_enable(fc, ir->dmach);
379 			ir->stproc = NULL;
381 		if (uio->uio_resid >= ir->psize) {
545 	struct fw_xferq *ir, *it;
566 	ir = d->ir;
597 		if (ir == NULL) {
603 			ir = fc->ir[i];
604 			err = fwdev_allocbuf(fc, ir, &d->bufreq.rx);
606 				ir->flag &= ~FWXFERQ_OPEN;
610 		ir->flag &= ~0xff;
611 		ir->flag |= (0x3f & ichreq->ch);
612 		ir->flag |= ((0x3 & ichreq->tag) << 6);
613 		d->ir = ir;
614 		err = fc->irx_enable(fc, ir->dmach);
617 		if (d->ir != NULL) {
618 			ichreq->ch = ir->flag & 0x3f;
619 			ichreq->tag = ir->flag >> 2 & 0x3;
628 		if (ir != NULL) {
629 			ibufreq->rx.nchunk = ir->bnchunk;
630 			ibufreq->rx.npacket = ir->bnpacket;
631 			ibufreq->rx.psize = ir->psize;
822 	struct fw_xferq *ir;
829 	ir = ((struct fw_drv1 *)dev->si_drv1)->ir;
833 		if (STAILQ_FIRST(&ir->q) != NULL)
836 			selrecord(td, &ir->rsel);