1// SPDX-License-Identifier: GPL-2.0
2#include <linux/seq_file.h>
3#include <linux/debugfs.h>
4
5#include "nitrox_csr.h"
6#include "nitrox_debugfs.h"
7#include "nitrox_dev.h"
8
9static int firmware_show(struct seq_file *s, void *v)
10{
11	struct nitrox_device *ndev = s->private;
12
13	seq_printf(s, "Version: %s\n", ndev->hw.fw_name[0]);
14	seq_printf(s, "Version: %s\n", ndev->hw.fw_name[1]);
15	return 0;
16}
17
18DEFINE_SHOW_ATTRIBUTE(firmware);
19
20static int device_show(struct seq_file *s, void *v)
21{
22	struct nitrox_device *ndev = s->private;
23
24	seq_printf(s, "NITROX [%d]\n", ndev->idx);
25	seq_printf(s, "  Part Name: %s\n", ndev->hw.partname);
26	seq_printf(s, "  Frequency: %d MHz\n", ndev->hw.freq);
27	seq_printf(s, "  Device ID: 0x%0x\n", ndev->hw.device_id);
28	seq_printf(s, "  Revision ID: 0x%0x\n", ndev->hw.revision_id);
29	seq_printf(s, "  Cores: [AE=%u  SE=%u  ZIP=%u]\n",
30		   ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores);
31
32	return 0;
33}
34
35DEFINE_SHOW_ATTRIBUTE(device);
36
37static int stats_show(struct seq_file *s, void *v)
38{
39	struct nitrox_device *ndev = s->private;
40
41	seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx);
42	seq_printf(s, "  Posted: %llu\n",
43		   (u64)atomic64_read(&ndev->stats.posted));
44	seq_printf(s, "  Completed: %llu\n",
45		   (u64)atomic64_read(&ndev->stats.completed));
46	seq_printf(s, "  Dropped: %llu\n",
47		   (u64)atomic64_read(&ndev->stats.dropped));
48
49	return 0;
50}
51
52DEFINE_SHOW_ATTRIBUTE(stats);
53
54void nitrox_debugfs_exit(struct nitrox_device *ndev)
55{
56	debugfs_remove_recursive(ndev->debugfs_dir);
57	ndev->debugfs_dir = NULL;
58}
59
60void nitrox_debugfs_init(struct nitrox_device *ndev)
61{
62	struct dentry *dir;
63
64	dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
65
66	ndev->debugfs_dir = dir;
67	debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
68	debugfs_create_file("device", 0400, dir, ndev, &device_fops);
69	debugfs_create_file("stats", 0400, dir, ndev, &stats_fops);
70}
71