kernel/dma/swiotlb.c

163 		pr_info("SWIOTLB bounce buffer size roundup to %luMB",  in swiotlb_adjust_nareas()
226 	pr_info("SWIOTLB bounce buffer size adjusted to %luMB", size >> 20);  in swiotlb_adjust_size()
326 	 * By default allocate the bounce buffer memory from low memory, but  in swiotlb_memblock_alloc()
351  * Statically reserve bounce buffer space and initialize bounce buffer data
393 		pr_info("SWIOTLB bounce buffer size adjusted %lu -> %lu slabs",  in swiotlb_init_remap()
841  * original address and the bounce buffer address. High bits are preserved by
843  * padding bytes before the bounce buffer.
857  * Bounce: copy the swiotlb buffer from or back to the original dma location
1006  * @alloc_size: Total requested size of the bounce buffer,
1131  * @alloc_size: Total requested size of the bounce buffer,
1171  * @alloc_size: Total requested size of the bounce buffer,
1345  * swiotlb_tbl_map_single() - bounce buffer map a single contiguous physical area
1348  * @mapping_size:	Requested size of the actual bounce buffer, excluding
1364  * space. The bounce buffer space starting at the returned address for
1384 			"Can not allocate SWIOTLB buffer earlier and can't now provide you with the DMA bounce buffer");  in swiotlb_tbl_map_single()
1389 		pr_warn_once("Memory encryption is active and system is using DMA bounce buffers\n");  in swiotlb_tbl_map_single()
1502  * @tlb_addr:	Physical address within a bounce buffer.
1533  * tlb_addr is the physical address of the bounce buffer to unmap.