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

[pandora-kernel.git] / drivers / infiniband / hw / mlx4 / main.c

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index dde8fe9..d9fc822 100644 (file)
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -476,9 +476,48 @@ out:
        return err;
 }
 
+static ssize_t show_hca(struct class_device *cdev, char *buf)
+{
+       struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+       return sprintf(buf, "MT%d\n", dev->dev->pdev->device);
+}
+
+static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
+{
+       struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+       return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32),
+                      (int) (dev->dev->caps.fw_ver >> 16) & 0xffff,
+                      (int) dev->dev->caps.fw_ver & 0xffff);
+}
+
+static ssize_t show_rev(struct class_device *cdev, char *buf)
+{
+       struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+       return sprintf(buf, "%x\n", dev->dev->rev_id);
+}
+
+static ssize_t show_board(struct class_device *cdev, char *buf)
+{
+       struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+       return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, dev->dev->board_id);
+}
+
+static CLASS_DEVICE_ATTR(hw_rev,   S_IRUGO, show_rev,    NULL);
+static CLASS_DEVICE_ATTR(fw_ver,   S_IRUGO, show_fw_ver, NULL);
+static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca,    NULL);
+static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board,  NULL);
+
+static struct class_device_attribute *mlx4_class_attributes[] = {
+       &class_device_attr_hw_rev,
+       &class_device_attr_fw_ver,
+       &class_device_attr_hca_type,
+       &class_device_attr_board_id
+};
+
 static void *mlx4_ib_add(struct mlx4_dev *dev)
 {
        struct mlx4_ib_dev *ibdev;
+       int i;
 
        ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
        if (!ibdev) {
@@ -580,6 +619,12 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
        if (mlx4_ib_mad_init(ibdev))
                goto err_reg;
 
+       for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) {
+               if (class_device_create_file(&ibdev->ib_dev.class_dev,
+                                              mlx4_class_attributes[i]))
+                       goto err_reg;
+       }
+
        return ibdev;
 
 err_reg: