1 files changed, 11 insertions, 62 deletions

diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.h b/drivers/infiniband/hw/hns/hns_roce_hem.h
index 2d84a6b3f05d..9c415b2541af 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.h
@@ -56,41 +56,25 @@ enum {
 	HEM_TYPE_TRRL,
 };
 
-#define HNS_ROCE_HEM_CHUNK_LEN	\
-	 ((256 - sizeof(struct list_head) - 2 * sizeof(int)) /	 \
-	 (sizeof(struct scatterlist) + sizeof(void *)))
-
 #define check_whether_bt_num_3(type, hop_num) \
-	(type < HEM_TYPE_MTT && hop_num == 2)
+	((type) < HEM_TYPE_MTT && (hop_num) == 2)
 
 #define check_whether_bt_num_2(type, hop_num) \
-	((type < HEM_TYPE_MTT && hop_num == 1) || \
-	(type >= HEM_TYPE_MTT && hop_num == 2))
+	(((type) < HEM_TYPE_MTT && (hop_num) == 1) || \
+	((type) >= HEM_TYPE_MTT && (hop_num) == 2))
 
 #define check_whether_bt_num_1(type, hop_num) \
-	((type < HEM_TYPE_MTT && hop_num == HNS_ROCE_HOP_NUM_0) || \
-	(type >= HEM_TYPE_MTT && hop_num == 1) || \
-	(type >= HEM_TYPE_MTT && hop_num == HNS_ROCE_HOP_NUM_0))
-
-struct hns_roce_hem_chunk {
-	struct list_head	 list;
-	int			 npages;
-	int			 nsg;
-	struct scatterlist	 mem[HNS_ROCE_HEM_CHUNK_LEN];
-	void			 *buf[HNS_ROCE_HEM_CHUNK_LEN];
-};
+	(((type) < HEM_TYPE_MTT && (hop_num) == HNS_ROCE_HOP_NUM_0) || \
+	((type) >= HEM_TYPE_MTT && (hop_num) == 1) || \
+	((type) >= HEM_TYPE_MTT && (hop_num) == HNS_ROCE_HOP_NUM_0))
 
 struct hns_roce_hem {
-	struct list_head chunk_list;
+	void *buf;
+	dma_addr_t dma;
+	unsigned long size;
 	refcount_t refcount;
 };
 
-struct hns_roce_hem_iter {
-	struct hns_roce_hem		 *hem;
-	struct hns_roce_hem_chunk	 *chunk;
-	int				 page_idx;
-};
-
 struct hns_roce_hem_mhop {
 	u32	hop_num;
 	u32	buf_chunk_size;
@@ -111,8 +95,7 @@ void *hns_roce_table_find(struct hns_roce_dev *hr_dev,
 			  dma_addr_t *dma_handle);
 int hns_roce_init_hem_table(struct hns_roce_dev *hr_dev,
 			    struct hns_roce_hem_table *table, u32 type,
-			    unsigned long obj_size, unsigned long nobj,
-			    int use_lowmem);
+			    unsigned long obj_size, unsigned long nobj);
 void hns_roce_cleanup_hem_table(struct hns_roce_dev *hr_dev,
 				struct hns_roce_hem_table *table);
 void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev);
@@ -132,40 +115,6 @@ void hns_roce_hem_list_release(struct hns_roce_dev *hr_dev,
 			       struct hns_roce_hem_list *hem_list);
 void *hns_roce_hem_list_find_mtt(struct hns_roce_dev *hr_dev,
 				 struct hns_roce_hem_list *hem_list,
-				 int offset, int *mtt_cnt, u64 *phy_addr);
-
-static inline void hns_roce_hem_first(struct hns_roce_hem *hem,
-				      struct hns_roce_hem_iter *iter)
-{
-	iter->hem = hem;
-	iter->chunk = list_empty(&hem->chunk_list) ? NULL :
-				 list_entry(hem->chunk_list.next,
-					    struct hns_roce_hem_chunk, list);
-	iter->page_idx = 0;
-}
-
-static inline int hns_roce_hem_last(struct hns_roce_hem_iter *iter)
-{
-	return !iter->chunk;
-}
-
-static inline void hns_roce_hem_next(struct hns_roce_hem_iter *iter)
-{
-	if (++iter->page_idx >= iter->chunk->nsg) {
-		if (iter->chunk->list.next == &iter->hem->chunk_list) {
-			iter->chunk = NULL;
-			return;
-		}
-
-		iter->chunk = list_entry(iter->chunk->list.next,
-					 struct hns_roce_hem_chunk, list);
-		iter->page_idx = 0;
-	}
-}
-
-static inline dma_addr_t hns_roce_hem_addr(struct hns_roce_hem_iter *iter)
-{
-	return sg_dma_address(&iter->chunk->mem[iter->page_idx]);
-}
+				 int offset, int *mtt_cnt);
 
 #endif /* _HNS_ROCE_HEM_H */