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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
View File

@ -476,9 +476,48 @@ static int init_node_data(struct mlx4_ib_dev *dev)
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:

4
drivers/net/mlx4/main.c
View File

@ -524,8 +524,8 @@ static int __devinit mlx4_init_hca(struct mlx4_dev *dev)
}
priv->eq_table.inta_pin = adapter.inta_pin;
priv->rev_id = adapter.revision_id;
memcpy(priv->board_id, adapter.board_id, sizeof priv->board_id);
dev->rev_id = adapter.revision_id;
memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id);
return 0;

7
drivers/net/mlx4/mlx4.h
View File

@ -55,10 +55,6 @@ enum {
MLX4_CLR_INT_SIZE = 0x00008
};
enum {
MLX4_BOARD_ID_LEN = 64
};
enum {
MLX4_MGM_ENTRY_SIZE = 0x40,
MLX4_QP_PER_MGM = 4 * (MLX4_MGM_ENTRY_SIZE / 16 - 2),
@ -277,9 +273,6 @@ struct mlx4_priv {
struct mlx4_uar driver_uar;
void __iomem *kar;
u32 rev_id;
char board_id[MLX4_BOARD_ID_LEN];
};
static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)

6
include/linux/mlx4/device.h
View File

@ -48,6 +48,10 @@ enum {
MLX4_MAX_PORTS = 2
};
enum {
MLX4_BOARD_ID_LEN = 64
};
enum {
MLX4_DEV_CAP_FLAG_RC = 1 << 0,
MLX4_DEV_CAP_FLAG_UC = 1 << 1,
@ -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 {