tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
19static struct xe_guc *node_to_guc(struct drm_info_node *node)
20{
21 return node->info_ent->data;
22}
23
24static 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
37static 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
50static const struct drm_info_list debugfs_list[] = {
51 {"guc_info", guc_info, 0},
52 {"guc_log", guc_log, 0},
53};
54
55void xe_guc_debugfs_register(struct xe_guc *guc, struct dentry *parent)
56{
57 struct drm_minor *minor = guc_to_xe(guc)->drm.primary;
58 struct drm_info_list *local;
59 int i;
60
61#define DEBUGFS_SIZE (ARRAY_SIZE(debugfs_list) * sizeof(struct drm_info_list))
62 local = drmm_kmalloc(&guc_to_xe(guc)->drm, DEBUGFS_SIZE, GFP_KERNEL);
63 if (!local)
64 return;
65
66 memcpy(local, debugfs_list, DEBUGFS_SIZE);
67#undef DEBUGFS_SIZE
68
69 for (i = 0; i < ARRAY_SIZE(debugfs_list); ++i)
70 local[i].data = guc;
71
72 drm_debugfs_create_files(local,
73 ARRAY_SIZE(debugfs_list),
74 parent, minor);
75}