IB/mlx4: Support the new memory registration API

[deliverable/linux.git] / drivers / infiniband / hw / mlx4 / mlx4_ib.h

diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 28a99e08030ec97c02d3256a9e628a22a2f4404c..64c80e15a9f85aba67f0a16b14608fcd909c0900 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -129,10 +129,17 @@ struct mlx4_ib_cq {
        struct list_head                recv_qp_list;
 };
 
+#define MLX4_MR_PAGES_ALIGN 0x40
+
 struct mlx4_ib_mr {
        struct ib_mr            ibmr;
+       __be64                  *pages;
+       dma_addr_t              page_map;
+       u32                     npages;
+       u32                     max_pages;
        struct mlx4_mr          mmr;
        struct ib_umem         *umem;
+       void                    *pages_alloc;
 };
 
 struct mlx4_ib_mw {
@@ -714,6 +721,9 @@ int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
                               enum ib_mr_type mr_type,
                               u32 max_num_sg);
+int mlx4_ib_map_mr_sg(struct ib_mr *ibmr,
+                     struct scatterlist *sg,
+                     int sg_nents);
 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
                                                               int page_list_len);
 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);