mlx4/mlx4_core/mlx4_mr.c

201 		  struct mlx4_mtt *mtt)
206 		mtt->order      = -1;
207 		mtt->page_shift = MLX4_ICM_PAGE_SHIFT;
210 		mtt->page_shift = page_shift;
212 	for (mtt->order = 0, i = 1; i < npages; i <<= 1)
213 		++mtt->order;
215 	mtt->offset = mlx4_alloc_mtt_range(dev, mtt->order);
216 	if (mtt->offset == -1)
250 			mlx4_warn(dev, "Failed to free mtt range at:%d order:%d\n",
257 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt)
259 	if (mtt->order < 0)
262 	mlx4_free_mtt_range(dev, mtt->offset, mtt->order);
266 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt)
268 	return (u64) mtt->offset * dev->caps.mtt_entry_sz;
433 	return mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
567 	mlx4_mtt_cleanup(dev, &mr->mtt);
589 	mlx4_mtt_cleanup(dev, &mr->mtt);
590 	mr->mtt.order = -1;
600 	err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
609 	if (mr->mtt.order < 0) {
614 						  &mr->mtt));
615 		if (mr->mtt.page_shift == 0)
616 			mpt_entry->mtt_sz    = cpu_to_be32(1 << mr->mtt.order);
618 	if (mr->mtt.order >= 0 && mr->mtt.page_shift == 0) {
656 	mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift);
658 	if (mr->mtt.order < 0) {
663 						  &mr->mtt));
666 	if (mr->mtt.order >= 0 && mr->mtt.page_shift == 0) {
671 		mpt_entry->mtt_sz    = cpu_to_be32(1 << mr->mtt.order);
697 static int mlx4_write_mtt_chunk(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
705 	mtts = mlx4_table_find(&priv->mr_table.mtt_table, mtt->offset +
723 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
733 	max_mtts_first_page = mtts_per_page - (mtt->offset + start_index)
739 		err = mlx4_write_mtt_chunk(dev, mtt, start_index, chunk, page_list);
751 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
760 	if (mtt->order < 0)
772 			inbox[0] = cpu_to_be64(mtt->offset + start_index);
791 	return __mlx4_write_mtt(dev, mtt, start_index, npages, page_list);
795 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
813 	err = mlx4_write_mtt(dev, mtt, 0, buf->npages, page_list);
1076 				    fmr->mr.mtt.offset,