NTB: Add PCIe Gen4 link speed

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index d59688f91618..a6f569727845 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -108,6 +108,7 @@ static inline char *ntb_topo_string(enum ntb_topo topo)
  * @NTB_SPEED_GEN1:     Link is trained to gen1 speed.
  * @NTB_SPEED_GEN2:     Link is trained to gen2 speed.
  * @NTB_SPEED_GEN3:     Link is trained to gen3 speed.
+ * @NTB_SPEED_GEN4:     Link is trained to gen4 speed.
  */
 enum ntb_speed {
         NTB_SPEED_AUTO = -1,
@@ -115,6 +116,7 @@ enum ntb_speed {
         NTB_SPEED_GEN1 = 1,
         NTB_SPEED_GEN2 = 2,
         NTB_SPEED_GEN3 = 3,
+        NTB_SPEED_GEN4 = 4
 };
 
 /**