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f64122c1 DA |
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 <linux/debugfs.h> | |
32 | ||
33 | #include "drmP.h" | |
34 | #include "qxl_drv.h" | |
35 | #include "qxl_object.h" | |
36 | ||
37 | ||
caaa0352 | 38 | #if defined(CONFIG_DEBUG_FS) |
f64122c1 DA |
39 | static int |
40 | qxl_debugfs_irq_received(struct seq_file *m, void *data) | |
41 | { | |
42 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
43 | struct qxl_device *qdev = node->minor->dev->dev_private; | |
44 | ||
45 | seq_printf(m, "%d\n", atomic_read(&qdev->irq_received)); | |
46 | seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display)); | |
47 | seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor)); | |
48 | seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd)); | |
49 | seq_printf(m, "%d\n", qdev->irq_received_error); | |
50 | return 0; | |
51 | } | |
52 | ||
53 | static int | |
54 | qxl_debugfs_buffers_info(struct seq_file *m, void *data) | |
55 | { | |
56 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
57 | struct qxl_device *qdev = node->minor->dev->dev_private; | |
58 | struct qxl_bo *bo; | |
59 | ||
60 | list_for_each_entry(bo, &qdev->gem.objects, list) { | |
2f453ed4 ML |
61 | struct reservation_object_list *fobj; |
62 | int rel; | |
63 | ||
64 | rcu_read_lock(); | |
65 | fobj = rcu_dereference(bo->tbo.resv->fence); | |
66 | rel = fobj ? fobj->shared_count : 0; | |
67 | rcu_read_unlock(); | |
68 | ||
f2c24b83 ML |
69 | seq_printf(m, "size %ld, pc %d, num releases %d\n", |
70 | (unsigned long)bo->gem_base.size, | |
71 | bo->pin_count, rel); | |
f64122c1 DA |
72 | } |
73 | return 0; | |
74 | } | |
75 | ||
76 | static struct drm_info_list qxl_debugfs_list[] = { | |
77 | { "irq_received", qxl_debugfs_irq_received, 0, NULL }, | |
78 | { "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL }, | |
79 | }; | |
80 | #define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list) | |
caaa0352 | 81 | #endif |
f64122c1 DA |
82 | |
83 | int | |
84 | qxl_debugfs_init(struct drm_minor *minor) | |
85 | { | |
caaa0352 | 86 | #if defined(CONFIG_DEBUG_FS) |
f64122c1 DA |
87 | drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES, |
88 | minor->debugfs_root, minor); | |
caaa0352 | 89 | #endif |
f64122c1 DA |
90 | return 0; |
91 | } | |
92 | ||
93 | void | |
94 | qxl_debugfs_takedown(struct drm_minor *minor) | |
95 | { | |
caaa0352 | 96 | #if defined(CONFIG_DEBUG_FS) |
f64122c1 DA |
97 | drm_debugfs_remove_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES, |
98 | minor); | |
caaa0352 | 99 | #endif |
f64122c1 DA |
100 | } |
101 | ||
102 | int qxl_debugfs_add_files(struct qxl_device *qdev, | |
103 | struct drm_info_list *files, | |
104 | unsigned nfiles) | |
105 | { | |
106 | unsigned i; | |
107 | ||
108 | for (i = 0; i < qdev->debugfs_count; i++) { | |
109 | if (qdev->debugfs[i].files == files) { | |
110 | /* Already registered */ | |
111 | return 0; | |
112 | } | |
113 | } | |
114 | ||
115 | i = qdev->debugfs_count + 1; | |
116 | if (i > QXL_DEBUGFS_MAX_COMPONENTS) { | |
117 | DRM_ERROR("Reached maximum number of debugfs components.\n"); | |
118 | DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n"); | |
119 | return -EINVAL; | |
120 | } | |
121 | qdev->debugfs[qdev->debugfs_count].files = files; | |
122 | qdev->debugfs[qdev->debugfs_count].num_files = nfiles; | |
123 | qdev->debugfs_count = i; | |
124 | #if defined(CONFIG_DEBUG_FS) | |
125 | drm_debugfs_create_files(files, nfiles, | |
126 | qdev->ddev->control->debugfs_root, | |
127 | qdev->ddev->control); | |
128 | drm_debugfs_create_files(files, nfiles, | |
129 | qdev->ddev->primary->debugfs_root, | |
130 | qdev->ddev->primary); | |
131 | #endif | |
132 | return 0; | |
133 | } | |
134 | ||
135 | void qxl_debugfs_remove_files(struct qxl_device *qdev) | |
136 | { | |
137 | #if defined(CONFIG_DEBUG_FS) | |
138 | unsigned i; | |
139 | ||
140 | for (i = 0; i < qdev->debugfs_count; i++) { | |
141 | drm_debugfs_remove_files(qdev->debugfs[i].files, | |
142 | qdev->debugfs[i].num_files, | |
143 | qdev->ddev->control); | |
144 | drm_debugfs_remove_files(qdev->debugfs[i].files, | |
145 | qdev->debugfs[i].num_files, | |
146 | qdev->ddev->primary); | |
147 | } | |
148 | #endif | |
149 | } |