crypto/async_tx/async_xor.c

32 	int src_cnt = unmap->to_cnt;
37 	while (src_cnt) {
41 		xor_src_cnt = min(src_cnt, (int)dma->max_xor);
45 		if (src_cnt > xor_src_cnt) {
86 		if (src_cnt > xor_src_cnt) {
88 			src_cnt -= xor_src_cnt;
90 			src_cnt++;
102 	    int src_cnt, size_t len, struct async_submit_ctl *submit)
116 	for (i = 0; i < src_cnt; i++)
120 	src_cnt = xor_src_cnt;
127 	while (src_cnt > 0) {
129 		xor_src_cnt = min(src_cnt, MAX_XOR_BLOCKS);
133 		src_cnt -= xor_src_cnt;
142 		unsigned int *src_offs, int src_cnt, int len)
152 	for (i = 0; i < src_cnt; i++) {
165  * @src_cnt: number of source pages
184 		int src_cnt, size_t len, struct async_submit_ctl *submit)
188 						      src_cnt, len);
192 	BUG_ON(src_cnt <= 1);
195 		unmap = dmaengine_get_unmap_data(device->dev, src_cnt+1, GFP_NOWAIT);
198 				src_offs, src_cnt, len)) {
206 		for (i = 0, j = 0; i < src_cnt; i++) {
234 			src_cnt--;
244 				src_cnt, len, submit);
256  * @src_cnt: number of source pages
274 	  int src_cnt, size_t len, struct async_submit_ctl *submit)
277 			src_cnt, len, submit);
288 		 struct page **src_list, int src_cnt, size_t len)
294 				     src_cnt, len);
303  * @src_cnt: number of source pages
317 		int src_cnt, size_t len, enum sum_check_flags *result,
320 	struct dma_chan *chan = xor_val_chan(submit, dest, src_list, src_cnt, len);
325 	BUG_ON(src_cnt <= 1);
328 		unmap = dmaengine_get_unmap_data(device->dev, src_cnt, GFP_NOWAIT);
330 	if (unmap && src_cnt <= device->max_xor &&
331 	    dma_xor_aligned_offsets(device, offset, src_offs, src_cnt, len)) {
342 		for (i = 0; i < src_cnt; i++) {
350 		tx = device->device_prep_dma_xor_val(chan, unmap->addr, src_cnt,
359 					unmap->addr, src_cnt, len, result,
369 		WARN_ONCE(device && src_cnt <= device->max_xor,
377 				src_cnt, len, submit);
397  * @src_cnt: number of source pages
410 	      int src_cnt, size_t len, enum sum_check_flags *result,
413 	return async_xor_val_offs(dest, offset, src_list, NULL, src_cnt,