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Release 4.11 drivers/net/fjes/fjes_debugfs.c

Directory: drivers/net/fjes
/*
 *  FUJITSU Extended Socket Network Device driver
 *  Copyright (c) 2015-2016 FUJITSU LIMITED
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 */

/* debugfs support for fjes driver */

#ifdef CONFIG_DEBUG_FS

#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/platform_device.h>

#include "fjes.h"


static struct dentry *fjes_debug_root;


static const char * const ep_status_string[] = {
	"unshared",
	"shared",
	"waiting",
	"complete",
};


static int fjes_dbg_status_show(struct seq_file *m, void *v) { struct fjes_adapter *adapter = m->private; struct fjes_hw *hw = &adapter->hw; int max_epid = hw->max_epid; int my_epid = hw->my_epid; int epidx; seq_puts(m, "EPID\tSTATUS SAME_ZONE CONNECTED\n"); for (epidx = 0; epidx < max_epid; epidx++) { if (epidx == my_epid) { seq_printf(m, "ep%d\t%-16c %-16c %-16c\n", epidx, '-', '-', '-'); } else { seq_printf(m, "ep%d\t%-16s %-16c %-16c\n", epidx, ep_status_string[fjes_hw_get_partner_ep_status(hw, epidx)], fjes_hw_epid_is_same_zone(hw, epidx) ? 'Y' : 'N', fjes_hw_epid_is_shared(hw->hw_info.share, epidx) ? 'Y' : 'N'); } } return 0; }

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static int fjes_dbg_status_open(struct inode *inode, struct file *file) { return single_open(file, fjes_dbg_status_show, inode->i_private); }

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static const struct file_operations fjes_dbg_status_fops = { .owner = THIS_MODULE, .open = fjes_dbg_status_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, };
void fjes_dbg_adapter_init(struct fjes_adapter *adapter) { const char *name = dev_name(&adapter->plat_dev->dev); struct dentry *pfile; adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root); if (!adapter->dbg_adapter) { dev_err(&adapter->plat_dev->dev, "debugfs entry for %s failed\n", name); return; } pfile = debugfs_create_file("status", 0444, adapter->dbg_adapter, adapter, &fjes_dbg_status_fops); if (!pfile) dev_err(&adapter->plat_dev->dev, "debugfs status for %s failed\n", name); }

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void fjes_dbg_adapter_exit(struct fjes_adapter *adapter) { debugfs_remove_recursive(adapter->dbg_adapter); adapter->dbg_adapter = NULL; }

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void fjes_dbg_init(void) { fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL); if (!fjes_debug_root) pr_info("init of debugfs failed\n"); }

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void fjes_dbg_exit(void) { debugfs_remove_recursive(fjes_debug_root); fjes_debug_root = NULL; }

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#endif /* CONFIG_DEBUG_FS */

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Directory: drivers/net/fjes
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