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_guc_pc.h"
17 #include "xe_macros.h"
18 #include "xe_pm.h"
19
node_to_guc(struct drm_info_node * node)20 static struct xe_guc *node_to_guc(struct drm_info_node *node)
21 {
22 return node->info_ent->data;
23 }
24
guc_info(struct seq_file * m,void * data)25 static int guc_info(struct seq_file *m, void *data)
26 {
27 struct xe_guc *guc = node_to_guc(m->private);
28 struct xe_device *xe = guc_to_xe(guc);
29 struct drm_printer p = drm_seq_file_printer(m);
30
31 xe_pm_runtime_get(xe);
32 xe_guc_print_info(guc, &p);
33 xe_pm_runtime_put(xe);
34
35 return 0;
36 }
37
guc_log(struct seq_file * m,void * data)38 static int guc_log(struct seq_file *m, void *data)
39 {
40 struct xe_guc *guc = node_to_guc(m->private);
41 struct xe_device *xe = guc_to_xe(guc);
42 struct drm_printer p = drm_seq_file_printer(m);
43
44 xe_pm_runtime_get(xe);
45 xe_guc_log_print(&guc->log, &p);
46 xe_pm_runtime_put(xe);
47
48 return 0;
49 }
50
guc_log_dmesg(struct seq_file * m,void * data)51 static int guc_log_dmesg(struct seq_file *m, void *data)
52 {
53 struct xe_guc *guc = node_to_guc(m->private);
54 struct xe_device *xe = guc_to_xe(guc);
55
56 xe_pm_runtime_get(xe);
57 xe_guc_log_print_dmesg(&guc->log);
58 xe_pm_runtime_put(xe);
59
60 return 0;
61 }
62
guc_ctb(struct seq_file * m,void * data)63 static int guc_ctb(struct seq_file *m, void *data)
64 {
65 struct xe_guc *guc = node_to_guc(m->private);
66 struct xe_device *xe = guc_to_xe(guc);
67 struct drm_printer p = drm_seq_file_printer(m);
68
69 xe_pm_runtime_get(xe);
70 xe_guc_ct_print(&guc->ct, &p, true);
71 xe_pm_runtime_put(xe);
72
73 return 0;
74 }
75
guc_pc(struct seq_file * m,void * data)76 static int guc_pc(struct seq_file *m, void *data)
77 {
78 struct xe_guc *guc = node_to_guc(m->private);
79 struct xe_device *xe = guc_to_xe(guc);
80 struct drm_printer p = drm_seq_file_printer(m);
81
82 xe_pm_runtime_get(xe);
83 xe_guc_pc_print(&guc->pc, &p);
84 xe_pm_runtime_put(xe);
85
86 return 0;
87 }
88
89 static const struct drm_info_list debugfs_list[] = {
90 {"guc_info", guc_info, 0},
91 {"guc_log", guc_log, 0},
92 {"guc_log_dmesg", guc_log_dmesg, 0},
93 {"guc_ctb", guc_ctb, 0},
94 {"guc_pc", guc_pc, 0},
95 };
96
xe_guc_debugfs_register(struct xe_guc * guc,struct dentry * parent)97 void xe_guc_debugfs_register(struct xe_guc *guc, struct dentry *parent)
98 {
99 struct drm_minor *minor = guc_to_xe(guc)->drm.primary;
100 struct drm_info_list *local;
101 int i;
102
103 #define DEBUGFS_SIZE (ARRAY_SIZE(debugfs_list) * sizeof(struct drm_info_list))
104 local = drmm_kmalloc(&guc_to_xe(guc)->drm, DEBUGFS_SIZE, GFP_KERNEL);
105 if (!local)
106 return;
107
108 memcpy(local, debugfs_list, DEBUGFS_SIZE);
109 #undef DEBUGFS_SIZE
110
111 for (i = 0; i < ARRAY_SIZE(debugfs_list); ++i)
112 local[i].data = guc;
113
114 drm_debugfs_create_files(local,
115 ARRAY_SIZE(debugfs_list),
116 parent, minor);
117 }
118