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(f: m);
22
23 drm_printf(p: &p, f: "[guc] supported:%s wanted:%s used:%s\n",
24 str_yes_no(v: intel_uc_supports_guc(uc)),
25 str_yes_no(v: intel_uc_wants_guc(uc)),
26 str_yes_no(v: intel_uc_uses_guc(uc)));
27 drm_printf(p: &p, f: "[huc] supported:%s wanted:%s used:%s\n",
28 str_yes_no(v: intel_uc_supports_huc(uc)),
29 str_yes_no(v: intel_uc_wants_huc(uc)),
30 str_yes_no(v: intel_uc_uses_huc(uc)));
31 drm_printf(p: &p, f: "[submission] supported:%s wanted:%s used:%s\n",
32 str_yes_no(v: intel_uc_supports_guc_submission(uc)),
33 str_yes_no(v: intel_uc_wants_guc_submission(uc)),
34 str_yes_no(v: 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(name: "uc", parent: gt_root);
55 if (IS_ERR(ptr: root))
56 return;
57
58 uc->guc.dbgfs_node = root;
59
60 intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), data: uc);
61
62 intel_gsc_uc_debugfs_register(gsc: &uc->gsc, root);
63 intel_guc_debugfs_register(guc: &uc->guc, root);
64 intel_huc_debugfs_register(huc: &uc->huc, root);
65}
66