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 <linux/string_helpers.h> |
27 | |
28 | #include <drm/drm_debugfs.h> |
29 | #include <drm/drm_file.h> |
30 | |
31 | #include "virtgpu_drv.h" |
32 | |
33 | static void virtio_gpu_add_bool(struct seq_file *m, const char *name, |
34 | bool value) |
35 | { |
36 | seq_printf(m, fmt: "%-16s : %s\n" , name, str_yes_no(v: value)); |
37 | } |
38 | |
39 | static void virtio_gpu_add_int(struct seq_file *m, const char *name, int value) |
40 | { |
41 | seq_printf(m, fmt: "%-16s : %d\n" , name, value); |
42 | } |
43 | |
44 | static int virtio_gpu_features(struct seq_file *m, void *data) |
45 | { |
46 | struct drm_info_node *node = (struct drm_info_node *)m->private; |
47 | struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; |
48 | |
49 | virtio_gpu_add_bool(m, name: "virgl" , value: vgdev->has_virgl_3d); |
50 | virtio_gpu_add_bool(m, name: "edid" , value: vgdev->has_edid); |
51 | virtio_gpu_add_bool(m, name: "indirect" , value: vgdev->has_indirect); |
52 | |
53 | virtio_gpu_add_bool(m, name: "resource uuid" , |
54 | value: vgdev->has_resource_assign_uuid); |
55 | |
56 | virtio_gpu_add_bool(m, name: "blob resources" , value: vgdev->has_resource_blob); |
57 | virtio_gpu_add_bool(m, name: "context init" , value: vgdev->has_context_init); |
58 | virtio_gpu_add_int(m, name: "cap sets" , value: vgdev->num_capsets); |
59 | virtio_gpu_add_int(m, name: "scanouts" , value: vgdev->num_scanouts); |
60 | if (vgdev->host_visible_region.len) { |
61 | seq_printf(m, fmt: "%-16s : 0x%lx +0x%lx\n" , "host visible region" , |
62 | (unsigned long)vgdev->host_visible_region.addr, |
63 | (unsigned long)vgdev->host_visible_region.len); |
64 | } |
65 | return 0; |
66 | } |
67 | |
68 | static int |
69 | virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data) |
70 | { |
71 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
72 | struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; |
73 | |
74 | seq_printf(m, fmt: "fence %llu %lld\n" , |
75 | (u64)atomic64_read(v: &vgdev->fence_drv.last_fence_id), |
76 | vgdev->fence_drv.current_fence_id); |
77 | return 0; |
78 | } |
79 | |
80 | static int |
81 | virtio_gpu_debugfs_host_visible_mm(struct seq_file *m, void *data) |
82 | { |
83 | struct drm_info_node *node = (struct drm_info_node *)m->private; |
84 | struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; |
85 | struct drm_printer p; |
86 | |
87 | if (!vgdev->has_host_visible) { |
88 | seq_puts(m, s: "Host allocations not visible to guest\n" ); |
89 | return 0; |
90 | } |
91 | |
92 | p = drm_seq_file_printer(f: m); |
93 | drm_mm_print(mm: &vgdev->host_visible_mm, p: &p); |
94 | return 0; |
95 | } |
96 | |
97 | static struct drm_info_list virtio_gpu_debugfs_list[] = { |
98 | { "virtio-gpu-features" , virtio_gpu_features }, |
99 | { "virtio-gpu-irq-fence" , virtio_gpu_debugfs_irq_info, 0, NULL }, |
100 | { "virtio-gpu-host-visible-mm" , virtio_gpu_debugfs_host_visible_mm }, |
101 | }; |
102 | |
103 | #define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list) |
104 | |
105 | void |
106 | virtio_gpu_debugfs_init(struct drm_minor *minor) |
107 | { |
108 | drm_debugfs_create_files(files: virtio_gpu_debugfs_list, |
109 | VIRTIO_GPU_DEBUGFS_ENTRIES, |
110 | root: minor->debugfs_root, minor); |
111 | } |
112 | |