IB/mlx4: Display misc device information under /sys/class/infiniband/

display the following device information under /sys/class/infiniband/mlx4_X:
board_id, fw_ver, hw_rev, hca_type.

This patch makes this information available to userspace utilities
such as ibstat and ibv_devinfo.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index cfb78fb2c046..a93520c76fde 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -49,6 +49,10 @@ enum {
 };
 
 enum {
+        MLX4_BOARD_ID_LEN = 64
+};
+
+enum {
         MLX4_DEV_CAP_FLAG_RC            = 1 <<  0,
         MLX4_DEV_CAP_FLAG_UC            = 1 <<  1,
         MLX4_DEV_CAP_FLAG_UD            = 1 <<  2,
@@ -272,6 +276,8 @@ struct mlx4_dev {
         unsigned long           flags;
         struct mlx4_caps        caps;
         struct radix_tree_root  qp_table_tree;
+        u32                     rev_id;
+        char                    board_id[MLX4_BOARD_ID_LEN];
 };
 
 struct mlx4_init_port_param {