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);
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)
{
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)
{