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

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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>
This commit is contained in:
Jack Morgenstein
2007-09-18 09:14:18 +02:00
committed by Roland Dreier
parent 57cb61d587
commit cd9281d873
4 changed files with 53 additions and 9 deletions
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45
drivers/infiniband/hw/mlx4/main.c
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@@ -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: