// SPDX-License-Identifier: GPL-2.0-only
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/*
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* FUJITSU Extended Socket Network Device driver
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* Copyright (c) 2015-2016 FUJITSU LIMITED
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*/
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/* debugfs support for fjes driver */
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#ifdef CONFIG_DEBUG_FS
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <linux/platform_device.h>
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#include "fjes.h"
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static struct dentry *fjes_debug_root;
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static const char * const ep_status_string[] = {
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"unshared",
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"shared",
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"waiting",
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"complete",
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};
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static int fjes_dbg_status_show(struct seq_file *m, void *v)
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{
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struct fjes_adapter *adapter = m->private;
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struct fjes_hw *hw = &adapter->hw;
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int max_epid = hw->max_epid;
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int my_epid = hw->my_epid;
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int epidx;
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seq_puts(m, "EPID\tSTATUS SAME_ZONE CONNECTED\n");
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for (epidx = 0; epidx < max_epid; epidx++) {
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if (epidx == my_epid) {
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seq_printf(m, "ep%d\t%-16c %-16c %-16c\n",
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epidx, '-', '-', '-');
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} else {
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seq_printf(m, "ep%d\t%-16s %-16c %-16c\n",
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epidx,
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ep_status_string[fjes_hw_get_partner_ep_status(hw, epidx)],
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fjes_hw_epid_is_same_zone(hw, epidx) ? 'Y' : 'N',
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fjes_hw_epid_is_shared(hw->hw_info.share, epidx) ? 'Y' : 'N');
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}
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}
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(fjes_dbg_status);
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void fjes_dbg_adapter_init(struct fjes_adapter *adapter)
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{
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const char *name = dev_name(&adapter->plat_dev->dev);
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adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root);
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debugfs_create_file("status", 0444, adapter->dbg_adapter, adapter,
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&fjes_dbg_status_fops);
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}
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void fjes_dbg_adapter_exit(struct fjes_adapter *adapter)
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{
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debugfs_remove_recursive(adapter->dbg_adapter);
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adapter->dbg_adapter = NULL;
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}
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void fjes_dbg_init(void)
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{
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fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL);
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}
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void fjes_dbg_exit(void)
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{
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debugfs_remove_recursive(fjes_debug_root);
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fjes_debug_root = NULL;
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}
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#endif /* CONFIG_DEBUG_FS */
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