1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * FUJITSU Extended Socket Network Device driver
4*4882a593Smuzhiyun * Copyright (c) 2015-2016 FUJITSU LIMITED
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun /* debugfs support for fjes driver */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifdef CONFIG_DEBUG_FS
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/debugfs.h>
12*4882a593Smuzhiyun #include <linux/seq_file.h>
13*4882a593Smuzhiyun #include <linux/platform_device.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include "fjes.h"
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun static struct dentry *fjes_debug_root;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun static const char * const ep_status_string[] = {
20*4882a593Smuzhiyun "unshared",
21*4882a593Smuzhiyun "shared",
22*4882a593Smuzhiyun "waiting",
23*4882a593Smuzhiyun "complete",
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
fjes_dbg_status_show(struct seq_file * m,void * v)26*4882a593Smuzhiyun static int fjes_dbg_status_show(struct seq_file *m, void *v)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun struct fjes_adapter *adapter = m->private;
29*4882a593Smuzhiyun struct fjes_hw *hw = &adapter->hw;
30*4882a593Smuzhiyun int max_epid = hw->max_epid;
31*4882a593Smuzhiyun int my_epid = hw->my_epid;
32*4882a593Smuzhiyun int epidx;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun seq_puts(m, "EPID\tSTATUS SAME_ZONE CONNECTED\n");
35*4882a593Smuzhiyun for (epidx = 0; epidx < max_epid; epidx++) {
36*4882a593Smuzhiyun if (epidx == my_epid) {
37*4882a593Smuzhiyun seq_printf(m, "ep%d\t%-16c %-16c %-16c\n",
38*4882a593Smuzhiyun epidx, '-', '-', '-');
39*4882a593Smuzhiyun } else {
40*4882a593Smuzhiyun seq_printf(m, "ep%d\t%-16s %-16c %-16c\n",
41*4882a593Smuzhiyun epidx,
42*4882a593Smuzhiyun ep_status_string[fjes_hw_get_partner_ep_status(hw, epidx)],
43*4882a593Smuzhiyun fjes_hw_epid_is_same_zone(hw, epidx) ? 'Y' : 'N',
44*4882a593Smuzhiyun fjes_hw_epid_is_shared(hw->hw_info.share, epidx) ? 'Y' : 'N');
45*4882a593Smuzhiyun }
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun return 0;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun DEFINE_SHOW_ATTRIBUTE(fjes_dbg_status);
51*4882a593Smuzhiyun
fjes_dbg_adapter_init(struct fjes_adapter * adapter)52*4882a593Smuzhiyun void fjes_dbg_adapter_init(struct fjes_adapter *adapter)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun const char *name = dev_name(&adapter->plat_dev->dev);
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root);
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun debugfs_create_file("status", 0444, adapter->dbg_adapter, adapter,
59*4882a593Smuzhiyun &fjes_dbg_status_fops);
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
fjes_dbg_adapter_exit(struct fjes_adapter * adapter)62*4882a593Smuzhiyun void fjes_dbg_adapter_exit(struct fjes_adapter *adapter)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun debugfs_remove_recursive(adapter->dbg_adapter);
65*4882a593Smuzhiyun adapter->dbg_adapter = NULL;
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun
fjes_dbg_init(void)68*4882a593Smuzhiyun void fjes_dbg_init(void)
69*4882a593Smuzhiyun {
70*4882a593Smuzhiyun fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL);
71*4882a593Smuzhiyun }
72*4882a593Smuzhiyun
fjes_dbg_exit(void)73*4882a593Smuzhiyun void fjes_dbg_exit(void)
74*4882a593Smuzhiyun {
75*4882a593Smuzhiyun debugfs_remove_recursive(fjes_debug_root);
76*4882a593Smuzhiyun fjes_debug_root = NULL;
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun #endif /* CONFIG_DEBUG_FS */
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