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
virtio_add_bool(struct seq_file * m,const char * name,bool value)31 static 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
virtio_add_int(struct seq_file * m,const char * name,int value)37 static 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
virtio_gpu_features(struct seq_file * m,void * data)43 static 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_bool(m, "resource uuid", vgdev->has_resource_assign_uuid);
52 virtio_add_int(m, "cap sets", vgdev->num_capsets);
53 virtio_add_int(m, "scanouts", vgdev->num_scanouts);
54 return 0;
55 }
56
57 static int
virtio_gpu_debugfs_irq_info(struct seq_file * m,void * data)58 virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
59 {
60 struct drm_info_node *node = (struct drm_info_node *) m->private;
61 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
62
63 seq_printf(m, "fence %llu %lld\n",
64 (u64)atomic64_read(&vgdev->fence_drv.last_seq),
65 vgdev->fence_drv.sync_seq);
66 return 0;
67 }
68
69 static struct drm_info_list virtio_gpu_debugfs_list[] = {
70 { "virtio-gpu-features", virtio_gpu_features },
71 { "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },
72 };
73
74 #define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)
75
76 void
virtio_gpu_debugfs_init(struct drm_minor * minor)77 virtio_gpu_debugfs_init(struct drm_minor *minor)
78 {
79 drm_debugfs_create_files(virtio_gpu_debugfs_list,
80 VIRTIO_GPU_DEBUGFS_ENTRIES,
81 minor->debugfs_root, minor);
82 }
83