1/*
 2 * Copyright (C) 2015 Red Hat, Inc.
 3 * All Rights Reserved.
 4 *
 5 * Permission is hereby granted, free of charge, to any person obtaining
 6 * a copy of this software and associated documentation files (the
 7 * "Software"), to deal in the Software without restriction, including
 8 * without limitation the rights to use, copy, modify, merge, publish,
 9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26#include <drm/drm_debugfs.h>
27#include <drm/drm_file.h>
28
29#include "virtgpu_drv.h"
30
31static void virtio_add_bool(struct seq_file *m, const char *name,
32				    bool value)
33{
34	seq_printf(m, "%-16s : %s\n", name, value ? "yes" : "no");
35}
36
37static void virtio_add_int(struct seq_file *m, const char *name,
38				   int value)
39{
40	seq_printf(m, "%-16s : %d\n", name, value);
41}
42
43static int virtio_gpu_features(struct seq_file *m, void *data)
44{
45	struct drm_info_node *node = (struct drm_info_node *) m->private;
46	struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
47
48	virtio_add_bool(m, "virgl", vgdev->has_virgl_3d);
49	virtio_add_bool(m, "edid", vgdev->has_edid);
50	virtio_add_bool(m, "indirect", vgdev->has_indirect);
51	virtio_add_int(m, "cap sets", vgdev->num_capsets);
52	virtio_add_int(m, "scanouts", vgdev->num_scanouts);
53	return 0;
54}
55
56static int
57virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
58{
59	struct drm_info_node *node = (struct drm_info_node *) m->private;
60	struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
61
62	seq_printf(m, "fence %llu %lld\n",
63		   (u64)atomic64_read(&vgdev->fence_drv.last_seq),
64		   vgdev->fence_drv.sync_seq);
65	return 0;
66}
67
68static struct drm_info_list virtio_gpu_debugfs_list[] = {
69	{ "virtio-gpu-features", virtio_gpu_features },
70	{ "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },
71};
72
73#define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)
74
75void
76virtio_gpu_debugfs_init(struct drm_minor *minor)
77{
78	drm_debugfs_create_files(virtio_gpu_debugfs_list,
79				 VIRTIO_GPU_DEBUGFS_ENTRIES,
80				 minor->debugfs_root, minor);
81}