RDMA/rxe: Move rxe_map_mr_sg to rxe_mr.c

Move rxe_map_mr_sg() to rxe_mr.c where it makes a little more sense.

Link: https://lore.kernel.org/r/20230119235936.19728-3-rpearsonhpe@gmail.comSigned-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -69,6 +69,8 @@ int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length,
 		enum rxe_mr_copy_dir dir);
 int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma,
 	      void *addr, int length, enum rxe_mr_copy_dir dir);
+int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
+		  int sg_nents, unsigned int *sg_offset);
 void *iova_to_vaddr(struct rxe_mr *mr, u64 iova, int length);
 struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key,
 			 enum rxe_mr_lookup_type type);

drivers/infiniband/sw/rxe/rxe_mr.c

@@ -223,6 +223,42 @@ int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr)
 	return err;
 }
 
+static int rxe_set_page(struct ib_mr *ibmr, u64 addr)
+{
+	struct rxe_mr *mr = to_rmr(ibmr);
+	struct rxe_map *map;
+	struct rxe_phys_buf *buf;
+
+	if (unlikely(mr->nbuf == mr->num_buf))
+		return -ENOMEM;
+
+	map = mr->map[mr->nbuf / RXE_BUF_PER_MAP];
+	buf = &map->buf[mr->nbuf % RXE_BUF_PER_MAP];
+
+	buf->addr = addr;
+	buf->size = ibmr->page_size;
+	mr->nbuf++;
+
+	return 0;
+}
+
+int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
+		  int sg_nents, unsigned int *sg_offset)
+{
+	struct rxe_mr *mr = to_rmr(ibmr);
+	int n;
+
+	mr->nbuf = 0;
+
+	n = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, rxe_set_page);
+
+	mr->page_shift = ilog2(ibmr->page_size);
+	mr->page_mask = ibmr->page_size - 1;
+	mr->offset = ibmr->iova & mr->page_mask;
+
+	return n;
+}
+
 static void lookup_iova(struct rxe_mr *mr, u64 iova, int *m_out, int *n_out,
 			size_t *offset_out)
 {

drivers/infiniband/sw/rxe/rxe_verbs.c

@@ -948,42 +948,6 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
 	return ERR_PTR(err);
 }
 
-static int rxe_set_page(struct ib_mr *ibmr, u64 addr)
-{
-	struct rxe_mr *mr = to_rmr(ibmr);
-	struct rxe_map *map;
-	struct rxe_phys_buf *buf;
-
-	if (unlikely(mr->nbuf == mr->num_buf))
-		return -ENOMEM;
-
-	map = mr->map[mr->nbuf / RXE_BUF_PER_MAP];
-	buf = &map->buf[mr->nbuf % RXE_BUF_PER_MAP];
-
-	buf->addr = addr;
-	buf->size = ibmr->page_size;
-	mr->nbuf++;
-
-	return 0;
-}
-
-static int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
-			 int sg_nents, unsigned int *sg_offset)
-{
-	struct rxe_mr *mr = to_rmr(ibmr);
-	int n;
-
-	mr->nbuf = 0;
-
-	n = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, rxe_set_page);
-
-	mr->page_shift = ilog2(ibmr->page_size);
-	mr->page_mask = ibmr->page_size - 1;
-	mr->offset = ibmr->iova & mr->page_mask;
-
-	return n;
-}
-
 static ssize_t parent_show(struct device *device,
 			   struct device_attribute *attr, char *buf)
 {