dev/firewire/fwdev.c

112 	struct fw_xferq *ir;
252 	if (d->ir != NULL) {
253 		struct fw_xferq *ir = d->ir;
255 		if ((ir->flag & FWXFERQ_OPEN) == 0)
257 		if (ir->flag & FWXFERQ_RUNNING) {
258 			ir->flag &= ~FWXFERQ_RUNNING;
259 			fc->irx_disable(fc, ir->dmach);
262 		fwdev_freebuf(ir);
264 		for (xfer = STAILQ_FIRST(&ir->q);
265 			xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
266 			ir->queued --;
267 			STAILQ_REMOVE_HEAD(&ir->q, link);
272 		ir->flag &= ~(FWXFERQ_OPEN |
274 		d->ir = NULL;
349 	struct fw_xferq *ir;
359 	ir = d->ir;
361 	if (ir == NULL)
364 	if (ir->buf == NULL)
369 	if (ir->stproc == NULL) {
371 		ir->stproc = STAILQ_FIRST(&ir->stvalid);
372 		if (ir->stproc != NULL) {
374 			STAILQ_REMOVE_HEAD(&ir->stvalid, link);
376 			ir->queued = 0;
379 	if (ir->stproc == NULL) {
383 			ir->flag |= FWXFERQ_WAKEUP;
384 			err = msleep(ir, FW_GMTX(fc), FWPRI, "fw_read", hz);
385 			ir->flag &= ~FWXFERQ_WAKEUP;
392 	} else if(ir->stproc != NULL) {
395 		fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,
396 				ir->stproc->poffset + ir->queued);
405 		ir->queued ++;
406 		if(ir->queued >= ir->bnpacket){
408 			STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
410 			fc->irx_enable(fc, ir->dmach);
411 			ir->stproc = NULL;
413 		if (uio->uio_resid >= ir->psize) {
577 	struct fw_xferq *ir, *it;
598 	ir = d->ir;
629 		if (ir == NULL) {
635 			ir = fc->ir[i];
636 			err = fwdev_allocbuf(fc, ir, &d->bufreq.rx);
638 				ir->flag &= ~FWXFERQ_OPEN;
642 		ir->flag &= ~0xff;
643 		ir->flag |= (0x3f & ichreq->ch);
644 		ir->flag |= ((0x3 & ichreq->tag) << 6);
645 		d->ir = ir;
646 		err = fc->irx_enable(fc, ir->dmach);
649 		if (d->ir != NULL) {
650 			ichreq->ch = ir->flag & 0x3f;
651 			ichreq->tag = ir->flag >> 2 & 0x3;
660 		if (ir != NULL) {
661 			ibufreq->rx.nchunk = ir->bnchunk;
662 			ibufreq->rx.npacket = ir->bnpacket;
663 			ibufreq->rx.psize = ir->psize;
858 	struct fw_xferq *ir;
865 	ir = ((struct fw_drv1 *)dev->si_drv1)->ir;
869 		if (STAILQ_FIRST(&ir->q) != NULL)
872 			selrecord(td, &ir->rsel);