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_huc_debugfs.h"
14#include "intel_uc.h"
15#include "intel_uc_debugfs.h"
16
17static int uc_usage_show(struct seq_file *m, void *data)
18{
19	struct intel_uc *uc = m->private;
20	struct drm_printer p = drm_seq_file_printer(m);
21
22	drm_printf(&p, "[guc] supported:%s wanted:%s used:%s\n",
23		   str_yes_no(intel_uc_supports_guc(uc)),
24		   str_yes_no(intel_uc_wants_guc(uc)),
25		   str_yes_no(intel_uc_uses_guc(uc)));
26	drm_printf(&p, "[huc] supported:%s wanted:%s used:%s\n",
27		   str_yes_no(intel_uc_supports_huc(uc)),
28		   str_yes_no(intel_uc_wants_huc(uc)),
29		   str_yes_no(intel_uc_uses_huc(uc)));
30	drm_printf(&p, "[submission] supported:%s wanted:%s used:%s\n",
31		   str_yes_no(intel_uc_supports_guc_submission(uc)),
32		   str_yes_no(intel_uc_wants_guc_submission(uc)),
33		   str_yes_no(intel_uc_uses_guc_submission(uc)));
34
35	return 0;
36}
37DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(uc_usage);
38
39void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
40{
41	static const struct intel_gt_debugfs_file files[] = {
42		{ "usage", &uc_usage_fops, NULL },
43	};
44	struct dentry *root;
45
46	if (!gt_root)
47		return;
48
49	/* GuC and HuC go always in pair, no need to check both */
50	if (!intel_uc_supports_guc(uc))
51		return;
52
53	root = debugfs_create_dir("uc", gt_root);
54	if (IS_ERR(root))
55		return;
56
57	intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc);
58
59	intel_guc_debugfs_register(&uc->guc, root);
60	intel_huc_debugfs_register(&uc->huc, root);
61}