1 | /* |
2 | * Copyright (C) 2009 Red Hat <bskeggs@redhat.com> |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining |
5 | * a copy of this software and associated documentation files (the |
6 | * "Software"), to deal in the Software without restriction, including |
7 | * without limitation the rights to use, copy, modify, merge, publish, |
8 | * distribute, sublicense, and/or sell copies of the Software, and to |
9 | * permit persons to whom the Software is furnished to do so, subject to |
10 | * the following conditions: |
11 | * |
12 | * The above copyright notice and this permission notice (including the |
13 | * next paragraph) shall be included in all copies or substantial |
14 | * portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
19 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
20 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
21 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
22 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | */ |
25 | |
26 | /* |
27 | * Authors: |
28 | * Alon Levy <alevy@redhat.com> |
29 | */ |
30 | |
31 | #include <drm/drm_debugfs.h> |
32 | #include <drm/drm_file.h> |
33 | |
34 | #include "qxl_drv.h" |
35 | #include "qxl_object.h" |
36 | |
37 | #if defined(CONFIG_DEBUG_FS) |
38 | static int |
39 | qxl_debugfs_irq_received(struct seq_file *m, void *data) |
40 | { |
41 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
42 | struct qxl_device *qdev = to_qxl(node->minor->dev); |
43 | |
44 | seq_printf(m, fmt: "%d\n" , atomic_read(v: &qdev->irq_received)); |
45 | seq_printf(m, fmt: "%d\n" , atomic_read(v: &qdev->irq_received_display)); |
46 | seq_printf(m, fmt: "%d\n" , atomic_read(v: &qdev->irq_received_cursor)); |
47 | seq_printf(m, fmt: "%d\n" , atomic_read(v: &qdev->irq_received_io_cmd)); |
48 | seq_printf(m, fmt: "%d\n" , qdev->irq_received_error); |
49 | return 0; |
50 | } |
51 | |
52 | static int |
53 | qxl_debugfs_buffers_info(struct seq_file *m, void *data) |
54 | { |
55 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
56 | struct qxl_device *qdev = to_qxl(node->minor->dev); |
57 | struct qxl_bo *bo; |
58 | |
59 | list_for_each_entry(bo, &qdev->gem.objects, list) { |
60 | struct dma_resv_iter cursor; |
61 | struct dma_fence *fence; |
62 | int rel = 0; |
63 | |
64 | dma_resv_iter_begin(cursor: &cursor, obj: bo->tbo.base.resv, |
65 | usage: DMA_RESV_USAGE_BOOKKEEP); |
66 | dma_resv_for_each_fence_unlocked(&cursor, fence) { |
67 | if (dma_resv_iter_is_restarted(cursor: &cursor)) |
68 | rel = 0; |
69 | ++rel; |
70 | } |
71 | |
72 | seq_printf(m, fmt: "size %ld, pc %d, num releases %d\n" , |
73 | (unsigned long)bo->tbo.base.size, |
74 | bo->tbo.pin_count, rel); |
75 | } |
76 | return 0; |
77 | } |
78 | |
79 | static struct drm_info_list qxl_debugfs_list[] = { |
80 | { "irq_received" , qxl_debugfs_irq_received, 0, NULL }, |
81 | { "qxl_buffers" , qxl_debugfs_buffers_info, 0, NULL }, |
82 | }; |
83 | #define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list) |
84 | #endif |
85 | |
86 | void |
87 | qxl_debugfs_init(struct drm_minor *minor) |
88 | { |
89 | #if defined(CONFIG_DEBUG_FS) |
90 | struct qxl_device *dev = to_qxl(minor->dev); |
91 | |
92 | drm_debugfs_create_files(files: qxl_debugfs_list, QXL_DEBUGFS_ENTRIES, |
93 | root: minor->debugfs_root, minor); |
94 | |
95 | qxl_ttm_debugfs_init(qdev: dev); |
96 | #endif |
97 | } |
98 | |
99 | void qxl_debugfs_add_files(struct qxl_device *qdev, |
100 | struct drm_info_list *files, |
101 | unsigned int nfiles) |
102 | { |
103 | unsigned int i; |
104 | |
105 | for (i = 0; i < qdev->debugfs_count; i++) { |
106 | if (qdev->debugfs[i].files == files) { |
107 | /* Already registered */ |
108 | return; |
109 | } |
110 | } |
111 | |
112 | i = qdev->debugfs_count + 1; |
113 | if (i > QXL_DEBUGFS_MAX_COMPONENTS) { |
114 | DRM_ERROR("Reached maximum number of debugfs components.\n" ); |
115 | DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n" ); |
116 | return; |
117 | } |
118 | qdev->debugfs[qdev->debugfs_count].files = files; |
119 | qdev->debugfs[qdev->debugfs_count].num_files = nfiles; |
120 | qdev->debugfs_count = i; |
121 | #if defined(CONFIG_DEBUG_FS) |
122 | drm_debugfs_create_files(files, count: nfiles, |
123 | root: qdev->ddev.primary->debugfs_root, |
124 | minor: qdev->ddev.primary); |
125 | #endif |
126 | } |
127 | |