linux-vybrid_public/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c

/*******************************************************************************

  Intel 10 Gigabit PCI Express Linux driver
  Copyright(c) 1999 - 2012 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

#ifdef CONFIG_DEBUG_FS

#include <linux/debugfs.h>
#include <linux/module.h>

#include "ixgbe.h"

static struct dentry *ixgbe_dbg_root;

/**
 * ixgbe_dbg_adapter_init - setup the debugfs directory for the adapter
 * @adapter: the adapter that is starting up
 **/
void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter)
{
	const char *name = pci_name(adapter->pdev);

	adapter->ixgbe_dbg_adapter = debugfs_create_dir(name, ixgbe_dbg_root);
	if (!adapter->ixgbe_dbg_adapter)
		e_dev_err("debugfs entry for %s failed\n", name);
}

/**
 * ixgbe_dbg_adapter_exit - clear out the adapter's debugfs entries
 * @pf: the pf that is stopping
 **/
void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter)
{
	if (adapter->ixgbe_dbg_adapter)
		debugfs_remove_recursive(adapter->ixgbe_dbg_adapter);
	adapter->ixgbe_dbg_adapter = NULL;
}

/**
 * ixgbe_dbg_init - start up debugfs for the driver
 **/
void ixgbe_dbg_init(void)
{
	ixgbe_dbg_root = debugfs_create_dir(ixgbe_driver_name, NULL);
	if (ixgbe_dbg_root == NULL)
		pr_err("init of debugfs failed\n");
}

/**
 * ixgbe_dbg_exit - clean out the driver's debugfs entries
 **/
void ixgbe_dbg_exit(void)
{
	debugfs_remove_recursive(ixgbe_dbg_root);
}

#endif /* CONFIG_DEBUG_FS */