97 static unsigned long iounit_get_area(struct iounit_struct *iounit, unsigned long vaddr, int size)  in iounit_get_area()  argument
103         npages = ((vaddr & ~PAGE_MASK) + size + (PAGE_SIZE-1)) >> PAGE_SHIFT;  in iounit_get_area()
112 	IOD(("iounit_get_area(%08lx,%d[%d])=", vaddr, size, npages));  in iounit_get_area()
127 			panic("iounit_get_area: Couldn't find free iopte slots for (%08lx,%d)\n", vaddr, size);  in iounit_get_area()
135 	iopte = MKIOPTE(__pa(vaddr & PAGE_MASK));  in iounit_get_area()
136 	vaddr = IOUNIT_DMA_BASE + (scan << PAGE_SHIFT) + (vaddr & ~PAGE_MASK);  in iounit_get_area()
141 	IOD(("%08lx\n", vaddr));  in iounit_get_area()
142 	return vaddr;  in iounit_get_area()
149 	void *vaddr = page_address(page) + offset;  in iounit_map_page()  local
158 	ret = iounit_get_area(iounit, (unsigned long)vaddr, len);  in iounit_map_page()
181 static void iounit_unmap_page(struct device *dev, dma_addr_t vaddr, size_t len,  in iounit_unmap_page()  argument
188 	len = ((vaddr & ~PAGE_MASK) + len + (PAGE_SIZE-1)) >> PAGE_SHIFT;  in iounit_unmap_page()
189 	vaddr = (vaddr - IOUNIT_DMA_BASE) >> PAGE_SHIFT;  in iounit_unmap_page()
190 	IOD(("iounit_release %08lx-%08lx\n", (long)vaddr, (long)len+vaddr));  in iounit_unmap_page()
191 	for (len += vaddr; vaddr < len; vaddr++)  in iounit_unmap_page()
192 		clear_bit(vaddr, iounit->bmap);  in iounit_unmap_page()
200 	unsigned long flags, vaddr, len;  in iounit_unmap_sg()  local
207 		vaddr = (sg->dma_address - IOUNIT_DMA_BASE) >> PAGE_SHIFT;  in iounit_unmap_sg()
208 		IOD(("iounit_release %08lx-%08lx\n", (long)vaddr, (long)len+vaddr));  in iounit_unmap_sg()
209 		for (len += vaddr; vaddr < len; vaddr++)  in iounit_unmap_sg()
210 			clear_bit(vaddr, iounit->bmap);  in iounit_unmap_sg()