1 // SPDX-License-Identifier: MIT
2 /*
3 * Copyright © 2022 Intel Corporation
4 */
5
6 #include "xe_guc_debugfs.h"
7
8 #include <drm/drm_debugfs.h>
9 #include <drm/drm_managed.h>
10
11 #include "xe_device.h"
12 #include "xe_gt.h"
13 #include "xe_guc.h"
14 #include "xe_guc_ct.h"
15 #include "xe_guc_log.h"
16 #include "xe_macros.h"
17 #include "xe_pm.h"
18
node_to_guc(struct drm_info_node * node)19 static struct xe_guc *node_to_guc(struct drm_info_node *node)
20 {
21 return node->info_ent->data;
22 }
23
guc_info(struct seq_file * m,void * data)24 static int guc_info(struct seq_file *m, void *data)
25 {
26 struct xe_guc *guc = node_to_guc(m->private);
27 struct xe_device *xe = guc_to_xe(guc);
28 struct drm_printer p = drm_seq_file_printer(m);
29
30 xe_pm_runtime_get(xe);
31 xe_guc_print_info(guc, &p);
32 xe_pm_runtime_put(xe);
33
34 return 0;
35 }
36
guc_log(struct seq_file * m,void * data)37 static int guc_log(struct seq_file *m, void *data)
38 {
39 struct xe_guc *guc = node_to_guc(m->private);
40 struct xe_device *xe = guc_to_xe(guc);
41 struct drm_printer p = drm_seq_file_printer(m);
42
43 xe_pm_runtime_get(xe);
44 xe_guc_log_print(&guc->log, &p);
45 xe_pm_runtime_put(xe);
46
47 return 0;
48 }
49
guc_ctb(struct seq_file * m,void * data)50 static int guc_ctb(struct seq_file *m, void *data)
51 {
52 struct xe_guc *guc = node_to_guc(m->private);
53 struct xe_device *xe = guc_to_xe(guc);
54 struct drm_printer p = drm_seq_file_printer(m);
55
56 xe_pm_runtime_get(xe);
57 xe_guc_ct_print(&guc->ct, &p, true);
58 xe_pm_runtime_put(xe);
59
60 return 0;
61 }
62
63 static const struct drm_info_list debugfs_list[] = {
64 {"guc_info", guc_info, 0},
65 {"guc_log", guc_log, 0},
66 {"guc_ctb", guc_ctb, 0},
67 };
68
xe_guc_debugfs_register(struct xe_guc * guc,struct dentry * parent)69 void xe_guc_debugfs_register(struct xe_guc *guc, struct dentry *parent)
70 {
71 struct drm_minor *minor = guc_to_xe(guc)->drm.primary;
72 struct drm_info_list *local;
73 int i;
74
75 #define DEBUGFS_SIZE (ARRAY_SIZE(debugfs_list) * sizeof(struct drm_info_list))
76 local = drmm_kmalloc(&guc_to_xe(guc)->drm, DEBUGFS_SIZE, GFP_KERNEL);
77 if (!local)
78 return;
79
80 memcpy(local, debugfs_list, DEBUGFS_SIZE);
81 #undef DEBUGFS_SIZE
82
83 for (i = 0; i < ARRAY_SIZE(debugfs_list); ++i)
84 local[i].data = guc;
85
86 drm_debugfs_create_files(local,
87 ARRAY_SIZE(debugfs_list),
88 parent, minor);
89 }
90