dev/ieee1394/fwdev.c

85 	struct fw_xferq *ir;
163 	if (d->ir != NULL) {
164 		struct fw_xferq *ir = d->ir;
166 		if ((ir->flag & FWXFERQ_OPEN) == 0)
168 		if (ir->flag & FWXFERQ_RUNNING) {
169 			ir->flag &= ~FWXFERQ_RUNNING;
170 			fc->irx_disable(fc, ir->dmach);
173 		fwdev_freebuf(ir);
175 		for (xfer = STAILQ_FIRST(&ir->q); xfer != NULL;
176 		    xfer = STAILQ_FIRST(&ir->q)) {
177 			ir->queued--;
178 			STAILQ_REMOVE_HEAD(&ir->q, link);
183 		ir->flag &=
185 		d->ir = NULL;
215 	struct fw_xferq *ir;
228 	ir = d->ir;
230 	if (ir == NULL)
233 	if (ir->buf == NULL)
238 	if (ir->stproc == NULL) {
240 		ir->stproc = STAILQ_FIRST(&ir->stvalid);
241 		if (ir->stproc != NULL) {
242 			STAILQ_REMOVE_HEAD(&ir->stvalid, link);
243 			ir->queued = 0;
246 	if (ir->stproc == NULL) {
250 			ir->flag |= FWXFERQ_WAKEUP;
252 			err = tsleep(ir, FWPRI, "fw_read", hz);
254 			ir->flag &= ~FWXFERQ_WAKEUP;
261 	} else if (ir->stproc != NULL) {
264 		fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,
265 		    ir->stproc->poffset + ir->queued);
272 		ir->queued++;
273 		if (ir->queued >= ir->bnpacket) {
274 			STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
275 			fc->irx_enable(fc, ir->dmach);
276 			ir->stproc = NULL;
278 		if (uio->uio_resid >= ir->psize) {
374 	struct fw_xferq *ir, *it;
399 	ir = d->ir;
432 		if (ir == NULL) {
438 			ir = fc->ir[i];
439 			err = fwdev_allocbuf(fc, ir, &d->bufreq.rx);
441 				ir->flag &= ~FWXFERQ_OPEN;
445 		ir->flag &= ~0xff;
446 		ir->flag |= (0x3f & ichreq->ch);
447 		ir->flag |= ((0x3 & ichreq->tag) << 6);
448 		d->ir = ir;
449 		err = fc->irx_enable(fc, ir->dmach);
453 		if (d->ir != NULL) {
454 			ichreq->ch = ir->flag & 0x3f;
455 			ichreq->tag = ir->flag >> 2 & 0x3;
466 		if (ir != NULL) {
467 			ibufreq->rx.nchunk = ir->bnchunk;
468 			ibufreq->rx.npacket = ir->bnpacket;
469 			ibufreq->rx.psize = ir->psize;
675 	struct fw_xferq *ir;
682 	ir = ((struct fw_drv1 *)sc->si_drv1)->ir;
686 		if (STAILQ_FIRST(&ir->q) != NULL)
689 			selrecord(td, &ir->rsel);