220 static bool init_dma_loaf(struct pci_dev *dev, struct dma_loaf *loaf,  in init_dma_loaf()  argument
230 	loaf->cpu_free = loaf->cpu_base = cpu_addr;  in init_dma_loaf()
231 	loaf->dma_free =loaf->dma_base = dma_handle;  in init_dma_loaf()
232 	loaf->length = len;  in init_dma_loaf()
237 static void *slice_dma_loaf(struct dma_loaf *loaf, size_t len,  in slice_dma_loaf()  argument
240 	void *cpu_end = loaf->cpu_free + len;  in slice_dma_loaf()
241 	void *cpu_addr = loaf->cpu_free;  in slice_dma_loaf()
243 	BUG_ON(cpu_end > loaf->cpu_base + loaf->length);  in slice_dma_loaf()
244 	*dma_handle = loaf->dma_free;  in slice_dma_loaf()
245 	loaf->cpu_free = cpu_end;  in slice_dma_loaf()
246 	loaf->dma_free += len;  in slice_dma_loaf()