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Lines Matching refs:req

109 	DMA_ENTRY *req;
122 	if ((req = TAILQ_FIRST(&dma_free)) == NULL)
124 	TAILQ_REMOVE(&dma_free, req, entries);
125 	req->call_func = call_func;
126 	req->int_func  = int_func;
127 	req->softc     = softc;
128 	req->lock_stat = lock_stat;
129 	TAILQ_INSERT_TAIL(&dma_active, req, entries);
131 	if (TAILQ_FIRST(&dma_active) != req) {
136 			} while (*req->lock_stat != DMA_LOCK_GRANT);
166 	DMA_ENTRY *req;
173 	if ((req = TAILQ_FIRST(&dma_active)) == NULL)
175 	if (req->softc != softc)
182 	TAILQ_REMOVE(&dma_active, req, entries);
183 	TAILQ_INSERT_HEAD(&dma_free, req, entries);
185 	if ((req = TAILQ_FIRST(&dma_active)) != NULL) {
186 		*req->lock_stat = DMA_LOCK_GRANT;
188 		if (req->call_func == NULL)
195 			add_sicallback((si_farg)req->call_func, req->softc, 0);