Commit | Line | Data |
---|---|---|
955b12de BG |
1 | /** |
2 | * \file drm_info.c | |
3 | * DRM info file implementations | |
4 | * | |
5 | * \author Ben Gamari <bgamari@gmail.com> | |
6 | */ | |
7 | ||
8 | /* | |
9 | * Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com | |
10 | * | |
11 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
12 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
13 | * Copyright 2008 Ben Gamari <bgamari@gmail.com> | |
14 | * All Rights Reserved. | |
15 | * | |
16 | * Permission is hereby granted, free of charge, to any person obtaining a | |
17 | * copy of this software and associated documentation files (the "Software"), | |
18 | * to deal in the Software without restriction, including without limitation | |
19 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
20 | * and/or sell copies of the Software, and to permit persons to whom the | |
21 | * Software is furnished to do so, subject to the following conditions: | |
22 | * | |
23 | * The above copyright notice and this permission notice (including the next | |
24 | * paragraph) shall be included in all copies or substantial portions of the | |
25 | * Software. | |
26 | * | |
27 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
28 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
29 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
30 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
31 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
32 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
33 | * OTHER DEALINGS IN THE SOFTWARE. | |
34 | */ | |
35 | ||
36 | #include <linux/seq_file.h> | |
760285e7 | 37 | #include <drm/drmP.h> |
955b12de BG |
38 | |
39 | /** | |
40 | * Called when "/proc/dri/.../name" is read. | |
41 | * | |
42 | * Prints the device name together with the bus id if available. | |
43 | */ | |
44 | int drm_name_info(struct seq_file *m, void *data) | |
45 | { | |
46 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
47 | struct drm_minor *minor = node->minor; | |
48 | struct drm_device *dev = minor->dev; | |
49 | struct drm_master *master = minor->master; | |
955b12de BG |
50 | if (!master) |
51 | return 0; | |
52 | ||
8410ea3b DA |
53 | if (master->unique) { |
54 | seq_printf(m, "%s %s %s\n", | |
9de1b51f | 55 | dev->driver->name, |
8410ea3b | 56 | dev_name(dev->dev), master->unique); |
955b12de | 57 | } else { |
8410ea3b | 58 | seq_printf(m, "%s %s\n", |
9de1b51f | 59 | dev->driver->name, dev_name(dev->dev)); |
955b12de | 60 | } |
955b12de BG |
61 | return 0; |
62 | } | |
63 | ||
64 | /** | |
65 | * Called when "/proc/dri/.../vm" is read. | |
66 | * | |
67 | * Prints information about all mappings in drm_device::maplist. | |
68 | */ | |
69 | int drm_vm_info(struct seq_file *m, void *data) | |
70 | { | |
71 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
72 | struct drm_device *dev = node->minor->dev; | |
1847a549 | 73 | struct drm_local_map *map; |
955b12de BG |
74 | struct drm_map_list *r_list; |
75 | ||
76 | /* Hardcoded from _DRM_FRAME_BUFFER, | |
77 | _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and | |
78 | _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ | |
79 | const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; | |
80 | const char *type; | |
81 | int i; | |
82 | ||
83 | mutex_lock(&dev->struct_mutex); | |
84 | seq_printf(m, "slot offset size type flags address mtrr\n\n"); | |
85 | i = 0; | |
86 | list_for_each_entry(r_list, &dev->maplist, head) { | |
87 | map = r_list->map; | |
88 | if (!map) | |
89 | continue; | |
90 | if (map->type < 0 || map->type > 5) | |
91 | type = "??"; | |
92 | else | |
93 | type = types[map->type]; | |
94 | ||
1847a549 | 95 | seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ", |
955b12de | 96 | i, |
1847a549 | 97 | (unsigned long long)map->offset, |
955b12de BG |
98 | map->size, type, map->flags, |
99 | (unsigned long) r_list->user_token); | |
100 | if (map->mtrr < 0) | |
101 | seq_printf(m, "none\n"); | |
102 | else | |
103 | seq_printf(m, "%4d\n", map->mtrr); | |
104 | i++; | |
105 | } | |
106 | mutex_unlock(&dev->struct_mutex); | |
107 | return 0; | |
108 | } | |
109 | ||
955b12de BG |
110 | /** |
111 | * Called when "/proc/dri/.../bufs" is read. | |
112 | */ | |
113 | int drm_bufs_info(struct seq_file *m, void *data) | |
114 | { | |
115 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
116 | struct drm_device *dev = node->minor->dev; | |
117 | struct drm_device_dma *dma; | |
118 | int i, seg_pages; | |
119 | ||
120 | mutex_lock(&dev->struct_mutex); | |
121 | dma = dev->dma; | |
122 | if (!dma) { | |
123 | mutex_unlock(&dev->struct_mutex); | |
124 | return 0; | |
125 | } | |
126 | ||
127 | seq_printf(m, " o size count free segs pages kB\n\n"); | |
128 | for (i = 0; i <= DRM_MAX_ORDER; i++) { | |
129 | if (dma->bufs[i].buf_count) { | |
130 | seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order); | |
131 | seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n", | |
132 | i, | |
133 | dma->bufs[i].buf_size, | |
134 | dma->bufs[i].buf_count, | |
b008c0fc | 135 | 0, |
955b12de BG |
136 | dma->bufs[i].seg_count, |
137 | seg_pages, | |
138 | seg_pages * PAGE_SIZE / 1024); | |
139 | } | |
140 | } | |
141 | seq_printf(m, "\n"); | |
142 | for (i = 0; i < dma->buf_count; i++) { | |
143 | if (i && !(i % 32)) | |
144 | seq_printf(m, "\n"); | |
145 | seq_printf(m, " %d", dma->buflist[i]->list); | |
146 | } | |
147 | seq_printf(m, "\n"); | |
148 | mutex_unlock(&dev->struct_mutex); | |
149 | return 0; | |
150 | } | |
151 | ||
152 | /** | |
153 | * Called when "/proc/dri/.../vblank" is read. | |
154 | */ | |
155 | int drm_vblank_info(struct seq_file *m, void *data) | |
156 | { | |
157 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
158 | struct drm_device *dev = node->minor->dev; | |
159 | int crtc; | |
160 | ||
161 | mutex_lock(&dev->struct_mutex); | |
162 | for (crtc = 0; crtc < dev->num_crtcs; crtc++) { | |
163 | seq_printf(m, "CRTC %d enable: %d\n", | |
5380e929 | 164 | crtc, atomic_read(&dev->vblank[crtc].refcount)); |
955b12de BG |
165 | seq_printf(m, "CRTC %d counter: %d\n", |
166 | crtc, drm_vblank_count(dev, crtc)); | |
167 | seq_printf(m, "CRTC %d last wait: %d\n", | |
5380e929 | 168 | crtc, dev->vblank[crtc].last_wait); |
955b12de | 169 | seq_printf(m, "CRTC %d in modeset: %d\n", |
5380e929 | 170 | crtc, dev->vblank[crtc].inmodeset); |
955b12de BG |
171 | } |
172 | mutex_unlock(&dev->struct_mutex); | |
173 | return 0; | |
174 | } | |
175 | ||
176 | /** | |
177 | * Called when "/proc/dri/.../clients" is read. | |
178 | * | |
179 | */ | |
180 | int drm_clients_info(struct seq_file *m, void *data) | |
181 | { | |
182 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
183 | struct drm_device *dev = node->minor->dev; | |
184 | struct drm_file *priv; | |
185 | ||
186 | mutex_lock(&dev->struct_mutex); | |
5952fba5 | 187 | seq_printf(m, "a dev pid uid magic\n\n"); |
955b12de | 188 | list_for_each_entry(priv, &dev->filelist, lhead) { |
5952fba5 | 189 | seq_printf(m, "%c %3d %5d %5d %10u\n", |
955b12de BG |
190 | priv->authenticated ? 'y' : 'n', |
191 | priv->minor->index, | |
5fce5e0b EB |
192 | pid_vnr(priv->pid), |
193 | from_kuid_munged(seq_user_ns(m), priv->uid), | |
5952fba5 | 194 | priv->magic); |
955b12de BG |
195 | } |
196 | mutex_unlock(&dev->struct_mutex); | |
197 | return 0; | |
198 | } | |
199 | ||
200 | ||
b375de0b | 201 | static int drm_gem_one_name_info(int id, void *ptr, void *data) |
955b12de BG |
202 | { |
203 | struct drm_gem_object *obj = ptr; | |
204 | struct seq_file *m = data; | |
205 | ||
955b12de BG |
206 | seq_printf(m, "%6d %8zd %7d %8d\n", |
207 | obj->name, obj->size, | |
a8e11d1c | 208 | obj->handle_count, |
955b12de BG |
209 | atomic_read(&obj->refcount.refcount)); |
210 | return 0; | |
211 | } | |
212 | ||
213 | int drm_gem_name_info(struct seq_file *m, void *data) | |
214 | { | |
215 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
216 | struct drm_device *dev = node->minor->dev; | |
217 | ||
218 | seq_printf(m, " name size handles refcount\n"); | |
90254ac0 | 219 | |
cd4f013f | 220 | mutex_lock(&dev->object_name_lock); |
955b12de | 221 | idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m); |
cd4f013f | 222 | mutex_unlock(&dev->object_name_lock); |
90254ac0 | 223 | |
955b12de BG |
224 | return 0; |
225 | } |