dma/ioat/prep.c

153 		      dma_addr_t dest, dma_addr_t *src, unsigned int src_cnt,
168 	BUG_ON(src_cnt < 2);
174 	if (src_cnt > 5) {
209 		for (s = 0; s < src_cnt; s++)
215 		xor->ctl_f.src_cnt = src_cnt_to_hw(src_cnt);
246 	       unsigned int src_cnt, size_t len, unsigned long flags)
253 	return __ioat_prep_xor_lock(chan, NULL, dest, src, src_cnt, len, flags);
258 		    unsigned int src_cnt, size_t len,
272 				     src_cnt - 1, len, flags);
283 	int src_cnt = src_cnt_to_sw(pq->ctl_f.src_cnt);
288 		" src_cnt: %d)\n",
294 		pq->ctl_f.src_cnt);
295 	for (i = 0; i < src_cnt; i++)
311 	int src_cnt = src16_cnt_to_sw(pq->ctl_f.src_cnt);
321 		" src_cnt: %d)\n",
328 		pq->ctl_f.src_cnt);
329 	for (i = 0; i < src_cnt; i++) {
341 		     unsigned int src_cnt, const unsigned char *scf,
362 	BUG_ON(src_cnt + dmaf_continue(flags) < 2);
369 	if (src_cnt + dmaf_p_disabled_continue(flags) > 3 ||
405 		for (s = 0; s < src_cnt; s++)
424 		pq->ctl_f.src_cnt = src_cnt_to_hw(s);
465 		       unsigned int src_cnt, const unsigned char *scf,
505 		desc->sed = ioat3_alloc_sed(ioat_dma, (src_cnt-2) >> 3);
518 		for (s = 0; s < src_cnt; s++)
535 		pq->ctl_f.src_cnt = src16_cnt_to_hw(s);
563 static int src_cnt_flags(unsigned int src_cnt, unsigned long flags)
566 		return src_cnt + 1;
568 		return src_cnt + 3;
570 		return src_cnt;
575 	      unsigned int src_cnt, const unsigned char *scf, size_t len,
592 	if ((flags & DMA_PREP_PQ_DISABLE_P) && src_cnt == 1) {
602 		return src_cnt_flags(src_cnt, flags) > 8 ?
610 		return src_cnt_flags(src_cnt, flags) > 8 ?
611 			__ioat_prep_pq16_lock(chan, NULL, dst, src, src_cnt,
613 			__ioat_prep_pq_lock(chan, NULL, dst, src, src_cnt,
620 		  unsigned int src_cnt, const unsigned char *scf, size_t len,
639 	return src_cnt_flags(src_cnt, flags) > 8 ?
640 		__ioat_prep_pq16_lock(chan, pqres, pq, src, src_cnt, scf, len,
642 		__ioat_prep_pq_lock(chan, pqres, pq, src, src_cnt, scf, len,
648 		 unsigned int src_cnt, size_t len, unsigned long flags)
657 	if (src_cnt > MAX_SCF)
660 	memset(scf, 0, src_cnt);
665 	return src_cnt_flags(src_cnt, flags) > 8 ?
666 		__ioat_prep_pq16_lock(chan, NULL, pq, src, src_cnt, scf, len,
668 		__ioat_prep_pq_lock(chan, NULL, pq, src, src_cnt, scf, len,
674 		     unsigned int src_cnt, size_t len,
684 	if (src_cnt > MAX_SCF)
692 	memset(scf, 0, src_cnt);
697 	return src_cnt_flags(src_cnt, flags) > 8 ?
698 		__ioat_prep_pq16_lock(chan, result, pq, &src[1], src_cnt - 1,
700 		__ioat_prep_pq_lock(chan, result, pq, &src[1], src_cnt - 1,