1// SPDX-License-Identifier: MIT
2/*
3 * Copyright �� 2020 Intel Corporation
4 */
5
6#include <linux/debugfs.h>
7#include <linux/string_helpers.h>
8
9#include <drm/drm_print.h>
10
11#include "gt/intel_gt_debugfs.h"
12#include "intel_guc_debugfs.h"
13#include "intel_gsc_uc_debugfs.h"
14#include "intel_huc_debugfs.h"
15#include "intel_uc.h"
16#include "intel_uc_debugfs.h"
17
18static int uc_usage_show(struct seq_file *m, void *data)
19{
20	struct intel_uc *uc = m->private;
21	struct drm_printer p = drm_seq_file_printer(m);
22
23	drm_printf(&p, "[guc] supported:%s wanted:%s used:%s\n",
24		   str_yes_no(intel_uc_supports_guc(uc)),
25		   str_yes_no(intel_uc_wants_guc(uc)),
26		   str_yes_no(intel_uc_uses_guc(uc)));
27	drm_printf(&p, "[huc] supported:%s wanted:%s used:%s\n",
28		   str_yes_no(intel_uc_supports_huc(uc)),
29		   str_yes_no(intel_uc_wants_huc(uc)),
30		   str_yes_no(intel_uc_uses_huc(uc)));
31	drm_printf(&p, "[submission] supported:%s wanted:%s used:%s\n",
32		   str_yes_no(intel_uc_supports_guc_submission(uc)),
33		   str_yes_no(intel_uc_wants_guc_submission(uc)),
34		   str_yes_no(intel_uc_uses_guc_submission(uc)));
35
36	return 0;
37}
38DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(uc_usage);
39
40void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
41{
42	static const struct intel_gt_debugfs_file files[] = {
43		{ "usage", &uc_usage_fops, NULL },
44	};
45	struct dentry *root;
46
47	if (!gt_root)
48		return;
49
50	/* GuC and HuC go always in pair, no need to check both */
51	if (!intel_uc_supports_guc(uc))
52		return;
53
54	root = debugfs_create_dir("uc", gt_root);
55	if (IS_ERR(root))
56		return;
57
58	uc->guc.dbgfs_node = root;
59
60	intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc);
61
62	intel_gsc_uc_debugfs_register(&uc->gsc, root);
63	intel_guc_debugfs_register(&uc->guc, root);
64	intel_huc_debugfs_register(&uc->huc, root);
65}
66