Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 334b8db3 authored by Selvin Xavier's avatar Selvin Xavier Committed by Roland Dreier
Browse files

RDMA/ocrdma: Display FW version 



Adding a sysfs file for getting the FW version.

Signed-off-by: default avatarSelvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: default avatarDevesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent a51f06e1

drivers/infiniband/hw/ocrdma/ocrdma_main.c

+41 −1
Original line number Diff line number Diff line
@@ -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);