1 files changed, 6 insertions, 114 deletions

diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 93a48b41955b..0f037e545520 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -231,12 +231,18 @@ err_free:
 
 struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 				   u64 virt_addr, int access_flags,
+				   struct ib_dmah *dmah,
 				   struct ib_udata *udata)
 {
 	struct hns_roce_dev *hr_dev = to_hr_dev(pd->device);
 	struct hns_roce_mr *mr;
 	int ret;
 
+	if (dmah) {
+		ret = -EOPNOTSUPP;
+		goto err_out;
+	}
+
 	mr = kzalloc(sizeof(*mr), GFP_KERNEL);
 	if (!mr) {
 		ret = -ENOMEM;
@@ -483,120 +489,6 @@ err_page_list:
 	return sg_num;
 }
 
-static void hns_roce_mw_free(struct hns_roce_dev *hr_dev,
-			     struct hns_roce_mw *mw)
-{
-	struct device *dev = hr_dev->dev;
-	int ret;
-
-	if (mw->enabled) {
-		ret = hns_roce_destroy_hw_ctx(hr_dev, HNS_ROCE_CMD_DESTROY_MPT,
-					      key_to_hw_index(mw->rkey) &
-					      (hr_dev->caps.num_mtpts - 1));
-		if (ret)
-			dev_warn(dev, "MW DESTROY_MPT failed (%d)\n", ret);
-
-		hns_roce_table_put(hr_dev, &hr_dev->mr_table.mtpt_table,
-				   key_to_hw_index(mw->rkey));
-	}
-
-	ida_free(&hr_dev->mr_table.mtpt_ida.ida,
-		 (int)key_to_hw_index(mw->rkey));
-}
-
-static int hns_roce_mw_enable(struct hns_roce_dev *hr_dev,
-			      struct hns_roce_mw *mw)
-{
-	struct hns_roce_mr_table *mr_table = &hr_dev->mr_table;
-	struct hns_roce_cmd_mailbox *mailbox;
-	struct device *dev = hr_dev->dev;
-	unsigned long mtpt_idx = key_to_hw_index(mw->rkey);
-	int ret;
-
-	/* prepare HEM entry memory */
-	ret = hns_roce_table_get(hr_dev, &mr_table->mtpt_table, mtpt_idx);
-	if (ret)
-		return ret;
-
-	mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
-	if (IS_ERR(mailbox)) {
-		ret = PTR_ERR(mailbox);
-		goto err_table;
-	}
-
-	ret = hr_dev->hw->mw_write_mtpt(mailbox->buf, mw);
-	if (ret) {
-		dev_err(dev, "MW write mtpt fail!\n");
-		goto err_page;
-	}
-
-	ret = hns_roce_create_hw_ctx(hr_dev, mailbox, HNS_ROCE_CMD_CREATE_MPT,
-				     mtpt_idx & (hr_dev->caps.num_mtpts - 1));
-	if (ret) {
-		dev_err(dev, "MW CREATE_MPT failed (%d)\n", ret);
-		goto err_page;
-	}
-
-	mw->enabled = 1;
-
-	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
-
-	return 0;
-
-err_page:
-	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
-
-err_table:
-	hns_roce_table_put(hr_dev, &mr_table->mtpt_table, mtpt_idx);
-
-	return ret;
-}
-
-int hns_roce_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
-{
-	struct hns_roce_dev *hr_dev = to_hr_dev(ibmw->device);
-	struct hns_roce_ida *mtpt_ida = &hr_dev->mr_table.mtpt_ida;
-	struct ib_device *ibdev = &hr_dev->ib_dev;
-	struct hns_roce_mw *mw = to_hr_mw(ibmw);
-	int ret;
-	int id;
-
-	/* Allocate a key for mw from mr_table */
-	id = ida_alloc_range(&mtpt_ida->ida, mtpt_ida->min, mtpt_ida->max,
-			     GFP_KERNEL);
-	if (id < 0) {
-		ibdev_err(ibdev, "failed to alloc id for MW key, id(%d)\n", id);
-		return -ENOMEM;
-	}
-
-	mw->rkey = hw_index_to_key(id);
-
-	ibmw->rkey = mw->rkey;
-	mw->pdn = to_hr_pd(ibmw->pd)->pdn;
-	mw->pbl_hop_num = hr_dev->caps.pbl_hop_num;
-	mw->pbl_ba_pg_sz = hr_dev->caps.pbl_ba_pg_sz;
-	mw->pbl_buf_pg_sz = hr_dev->caps.pbl_buf_pg_sz;
-
-	ret = hns_roce_mw_enable(hr_dev, mw);
-	if (ret)
-		goto err_mw;
-
-	return 0;
-
-err_mw:
-	hns_roce_mw_free(hr_dev, mw);
-	return ret;
-}
-
-int hns_roce_dealloc_mw(struct ib_mw *ibmw)
-{
-	struct hns_roce_dev *hr_dev = to_hr_dev(ibmw->device);
-	struct hns_roce_mw *mw = to_hr_mw(ibmw);
-
-	hns_roce_mw_free(hr_dev, mw);
-	return 0;
-}
-
 static int mtr_map_region(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
 			  struct hns_roce_buf_region *region, dma_addr_t *pages,
 			  int max_count)