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RDMA/ocrdma: Display FW version 

Adding a sysfs file for getting the FW version.

Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Selvin Xavier 2014-02-04 11:57:09 +05:30 committed by Roland Dreier
parent a51f06e167
commit 334b8db3a6
1 changed files with 41 additions and 1 deletions
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42
drivers/infiniband/hw/ocrdma/ocrdma_main.c
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@ -339,9 +339,42 @@ static void ocrdma_free_resources(struct ocrdma_dev *dev)
kfree(dev->sgid_tbl);
}
/* OCRDMA sysfs interface */
static ssize_t show_rev(struct device *device, struct device_attribute *attr,
char *buf)
{
struct ocrdma_dev *dev = dev_get_drvdata(device);
return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->nic_info.pdev->vendor);
}
static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
char *buf)
{
struct ocrdma_dev *dev = dev_get_drvdata(device);
return scnprintf(buf, PAGE_SIZE, "%s", &dev->attr.fw_ver[0]);
}
static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
static struct device_attribute *ocrdma_attributes[] = {
&dev_attr_hw_rev,
&dev_attr_fw_ver
};
static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev)
{
int i;
for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++)
device_remove_file(&dev->ibdev.dev, ocrdma_attributes[i]);
}
static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
{
int status = 0;
int status = 0, i;
struct ocrdma_dev *dev;
dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev));
@ -370,6 +403,9 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
if (status)
goto alloc_err;
for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++)
if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i]))
goto sysfs_err;
spin_lock(&ocrdma_devlist_lock);
list_add_tail_rcu(&dev->entry, &ocrdma_dev_list);
spin_unlock(&ocrdma_devlist_lock);
@ -384,6 +420,8 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
dev_name(&dev->nic_info.pdev->dev), dev->id);
return dev;
sysfs_err:
ocrdma_remove_sysfiles(dev);
alloc_err:
ocrdma_free_resources(dev);
ocrdma_cleanup_hw(dev);
@ -411,6 +449,8 @@ static void ocrdma_remove(struct ocrdma_dev *dev)
* of the registered clients.
*/
ocrdma_rem_port_stats(dev);
ocrdma_remove_sysfiles(dev);
ib_unregister_device(&dev->ibdev);
spin_lock(&ocrdma_devlist_lock);