hw/mlx5/mr.c

2802 	struct mlx5_ib_mr *pi_mr = mr->mtt_mr;
2805 	pi_mr->mmkey.ndescs = 0;
2806 	pi_mr->meta_ndescs = 0;
2807 	pi_mr->meta_length = 0;
2809 	ib_dma_sync_single_for_cpu(ibmr->device, pi_mr->desc_map,
2810 				   pi_mr->desc_size * pi_mr->max_descs,
2813 	pi_mr->ibmr.page_size = ibmr->page_size;
2814 	n = ib_sg_to_pages(&pi_mr->ibmr, data_sg, data_sg_nents, data_sg_offset,
2819 	pi_mr->data_iova = pi_mr->ibmr.iova;
2820 	pi_mr->data_length = pi_mr->ibmr.length;
2821 	pi_mr->ibmr.length = pi_mr->data_length;
2822 	ibmr->length = pi_mr->data_length;
2826 		u64 iova = pi_mr->data_iova;
2828 		n += ib_sg_to_pages(&pi_mr->ibmr, meta_sg, meta_sg_nents,
2831 		pi_mr->meta_length = pi_mr->ibmr.length;
2838 		pi_mr->pi_iova = (iova & page_mask) +
2839 				 pi_mr->mmkey.ndescs * ibmr->page_size +
2840 				 (pi_mr->ibmr.iova & ~page_mask);
2848 		pi_mr->ibmr.length = pi_mr->pi_iova + pi_mr->meta_length - iova;
2849 		pi_mr->ibmr.iova = iova;
2850 		ibmr->length += pi_mr->meta_length;
2853 	ib_dma_sync_single_for_device(ibmr->device, pi_mr->desc_map,
2854 				      pi_mr->desc_size * pi_mr->max_descs,
2867 	struct mlx5_ib_mr *pi_mr = mr->klm_mr;
2870 	pi_mr->mmkey.ndescs = 0;
2871 	pi_mr->meta_ndescs = 0;
2872 	pi_mr->meta_length = 0;
2874 	ib_dma_sync_single_for_cpu(ibmr->device, pi_mr->desc_map,
2875 				   pi_mr->desc_size * pi_mr->max_descs,
2878 	n = mlx5_ib_sg_to_klms(pi_mr, data_sg, data_sg_nents, data_sg_offset,
2881 	ib_dma_sync_single_for_device(ibmr->device, pi_mr->desc_map,
2882 				      pi_mr->desc_size * pi_mr->max_descs,
2886 	pi_mr->data_iova = 0;
2887 	pi_mr->ibmr.iova = 0;
2888 	pi_mr->pi_iova = pi_mr->data_length;
2889 	ibmr->length = pi_mr->ibmr.length;
2900 	struct mlx5_ib_mr *pi_mr = NULL;
2929 	pi_mr = mr->mtt_mr;
2936 	pi_mr = mr->klm_mr;
2946 	mr->pi_mr = pi_mr;
2947 	if (pi_mr)
2948 		ibmr->sig_attrs->meta_length = pi_mr->meta_length;