mlx4_core: Add helper functions to support MR re-registration

[cascardo/linux.git] / include / linux / mlx4 / device.h

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 35b51e7..bac0021 100644 (file)
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -262,6 +262,7 @@ enum {
        MLX4_PERM_REMOTE_WRITE  = 1 << 13,
        MLX4_PERM_ATOMIC        = 1 << 14,
        MLX4_PERM_BIND_MW       = 1 << 15,
+       MLX4_PERM_MASK          = 0xFC00
 };
 
 enum {
@@ -1243,4 +1244,19 @@ int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
                                 int enable);
+int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
+                      struct mlx4_mpt_entry ***mpt_entry);
+int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
+                        struct mlx4_mpt_entry **mpt_entry);
+int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
+                        u32 pdn);
+int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
+                            struct mlx4_mpt_entry *mpt_entry,
+                            u32 access);
+void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
+                       struct mlx4_mpt_entry **mpt_entry);
+void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
+int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
+                           u64 iova, u64 size, int npages,
+                           int page_shift, struct mlx4_mpt_entry *mpt_entry);
 #endif /* MLX4_DEVICE_H */