1 files changed, 7 insertions, 3 deletions

diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index 181d16601dd9..56a92e3ae3ae 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -296,7 +296,8 @@ struct ntb_dev_ops {
         int (*db_clear_mask)(struct ntb_dev *ntb, u64 db_bits);
 
         int (*peer_db_addr)(struct ntb_dev *ntb,
-                            phys_addr_t *db_addr, resource_size_t *db_size);
+                            phys_addr_t *db_addr, resource_size_t *db_size,
+                                u64 *db_data, int db_bit);
         u64 (*peer_db_read)(struct ntb_dev *ntb);
         int (*peer_db_set)(struct ntb_dev *ntb, u64 db_bits);
         int (*peer_db_clear)(struct ntb_dev *ntb, u64 db_bits);
@@ -1078,6 +1079,8 @@ static inline int ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits)
  * @ntb:        NTB device context.
  * @db_addr:    OUT - The address of the peer doorbell register.
  * @db_size:    OUT - The number of bytes to write the peer doorbell register.
+ * @db_data:    OUT - The data of peer doorbell register
+ * @db_bit:             door bell bit number
  *
  * Return the address of the peer doorbell register.  This may be used, for
  * example, by drivers that offload memory copy operations to a dma engine.
@@ -1091,12 +1094,13 @@ static inline int ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits)
  */
 static inline int ntb_peer_db_addr(struct ntb_dev *ntb,
                                    phys_addr_t *db_addr,
-                                   resource_size_t *db_size)
+                                   resource_size_t *db_size,
+                                   u64 *db_data, int db_bit)
 {
         if (!ntb->ops->peer_db_addr)
                 return -EINVAL;
 
-        return ntb->ops->peer_db_addr(ntb, db_addr, db_size);
+        return ntb->ops->peer_db_addr(ntb, db_addr, db_size, db_data, db_bit);
 }
 
 /**