102 	struct fw_xferq *ir;  member
182 	if (d->ir != NULL) {  in fw_close()
183 		struct fw_xferq *ir = d->ir;  in fw_close()  local
185 		if ((ir->flag & FWXFERQ_OPEN) == 0)  in fw_close()
187 		if (ir->flag & FWXFERQ_RUNNING) {  in fw_close()
188 			ir->flag &= ~FWXFERQ_RUNNING;  in fw_close()
189 			fc->irx_disable(fc, ir->dmach);  in fw_close()
192 		fwdev_freebuf(ir);  in fw_close()
194 		for (xfer = STAILQ_FIRST(&ir->q); xfer != NULL;  in fw_close()
195 		    xfer = STAILQ_FIRST(&ir->q)) {  in fw_close()
196 			ir->queued--;  in fw_close()
197 			STAILQ_REMOVE_HEAD(&ir->q, link);  in fw_close()
202 		ir->flag &=  in fw_close()
204 		d->ir = NULL;  in fw_close()
235 	struct fw_xferq *ir;  in fw_read()  local
248 	ir = d->ir;  in fw_read()
250 	if (ir == NULL)  in fw_read()
253 	if (ir->buf == NULL)  in fw_read()
258 	if (ir->stproc == NULL) {  in fw_read()
260 		ir->stproc = STAILQ_FIRST(&ir->stvalid);  in fw_read()
261 		if (ir->stproc != NULL) {  in fw_read()
262 			STAILQ_REMOVE_HEAD(&ir->stvalid, link);  in fw_read()
263 			ir->queued = 0;  in fw_read()
266 	if (ir->stproc == NULL) {  in fw_read()
270 			ir->flag |= FWXFERQ_WAKEUP;  in fw_read()
271 			err = cv_timedwait_sig(&ir->cv, &fc->fc_mtx, hz);  in fw_read()
272 			ir->flag &= ~FWXFERQ_WAKEUP;  in fw_read()
279 	} else if (ir->stproc != NULL) {  in fw_read()
282 		fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,  in fw_read()
283 		    ir->stproc->poffset + ir->queued);  in fw_read()
290 		ir->queued++;  in fw_read()
291 		if (ir->queued >= ir->bnpacket) {  in fw_read()
292 			STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);  in fw_read()
293 			fc->irx_enable(fc, ir->dmach);  in fw_read()
294 			ir->stproc = NULL;  in fw_read()
296 		if (uio->uio_resid >= ir->psize) {  in fw_read()
390 	struct fw_xferq *ir, *it;  in fw_ioctl()  local
415 	ir = d->ir;  in fw_ioctl()
448 		if (ir == NULL) {  in fw_ioctl()
454 			ir = fc->ir[i];  in fw_ioctl()
455 			err = fwdev_allocbuf(fc, ir, &d->bufreq.rx);  in fw_ioctl()
457 				ir->flag &= ~FWXFERQ_OPEN;  in fw_ioctl()
461 		ir->flag &= ~0xff;  in fw_ioctl()
462 		ir->flag |= (0x3f & ichreq->ch);  in fw_ioctl()
463 		ir->flag |= ((0x3 & ichreq->tag) << 6);  in fw_ioctl()
464 		d->ir = ir;  in fw_ioctl()
465 		err = fc->irx_enable(fc, ir->dmach);  in fw_ioctl()
469 		if (d->ir != NULL) {  in fw_ioctl()
470 			ichreq->ch = ir->flag & 0x3f;  in fw_ioctl()
471 			ichreq->tag = ir->flag >> 2 & 0x3;  in fw_ioctl()
482 		if (ir != NULL) {  in fw_ioctl()
483 			ibufreq->rx.nchunk = ir->bnchunk;  in fw_ioctl()
484 			ibufreq->rx.npacket = ir->bnpacket;  in fw_ioctl()
485 			ibufreq->rx.psize = ir->psize;  in fw_ioctl()
693 	struct fw_xferq *ir;  in fw_poll()  local
700 	ir = ((struct fw_drv1 *)sc->si_drv1)->ir;  in fw_poll()
704 		if (STAILQ_FIRST(&ir->q) != NULL)  in fw_poll()
707 			selrecord(td, &ir->rsel);  in fw_poll()