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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> | |
37 | #include "drmP.h" | |
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; | |
50 | ||
51 | if (!master) | |
52 | return 0; | |
53 | ||
54 | if (master->unique) { | |
55 | seq_printf(m, "%s %s %s\n", | |
56 | dev->driver->pci_driver.name, | |
57 | pci_name(dev->pdev), master->unique); | |
58 | } else { | |
59 | seq_printf(m, "%s %s\n", dev->driver->pci_driver.name, | |
60 | pci_name(dev->pdev)); | |
61 | } | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | /** | |
67 | * Called when "/proc/dri/.../vm" is read. | |
68 | * | |
69 | * Prints information about all mappings in drm_device::maplist. | |
70 | */ | |
71 | int drm_vm_info(struct seq_file *m, void *data) | |
72 | { | |
73 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
74 | struct drm_device *dev = node->minor->dev; | |
1847a549 | 75 | struct drm_local_map *map; |
955b12de BG |
76 | struct drm_map_list *r_list; |
77 | ||
78 | /* Hardcoded from _DRM_FRAME_BUFFER, | |
79 | _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and | |
80 | _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ | |
81 | const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; | |
82 | const char *type; | |
83 | int i; | |
84 | ||
85 | mutex_lock(&dev->struct_mutex); | |
86 | seq_printf(m, "slot offset size type flags address mtrr\n\n"); | |
87 | i = 0; | |
88 | list_for_each_entry(r_list, &dev->maplist, head) { | |
89 | map = r_list->map; | |
90 | if (!map) | |
91 | continue; | |
92 | if (map->type < 0 || map->type > 5) | |
93 | type = "??"; | |
94 | else | |
95 | type = types[map->type]; | |
96 | ||
1847a549 | 97 | seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ", |
955b12de | 98 | i, |
1847a549 | 99 | (unsigned long long)map->offset, |
955b12de BG |
100 | map->size, type, map->flags, |
101 | (unsigned long) r_list->user_token); | |
102 | if (map->mtrr < 0) | |
103 | seq_printf(m, "none\n"); | |
104 | else | |
105 | seq_printf(m, "%4d\n", map->mtrr); | |
106 | i++; | |
107 | } | |
108 | mutex_unlock(&dev->struct_mutex); | |
109 | return 0; | |
110 | } | |
111 | ||
112 | /** | |
113 | * Called when "/proc/dri/.../queues" is read. | |
114 | */ | |
115 | int drm_queues_info(struct seq_file *m, void *data) | |
116 | { | |
117 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
118 | struct drm_device *dev = node->minor->dev; | |
119 | int i; | |
120 | struct drm_queue *q; | |
121 | ||
122 | mutex_lock(&dev->struct_mutex); | |
123 | seq_printf(m, " ctx/flags use fin" | |
124 | " blk/rw/rwf wait flushed queued" | |
125 | " locks\n\n"); | |
126 | for (i = 0; i < dev->queue_count; i++) { | |
127 | q = dev->queuelist[i]; | |
128 | atomic_inc(&q->use_count); | |
129 | seq_printf(m, "%5d/0x%03x %5d %5d" | |
130 | " %5d/%c%c/%c%c%c %5Zd\n", | |
131 | i, | |
132 | q->flags, | |
133 | atomic_read(&q->use_count), | |
134 | atomic_read(&q->finalization), | |
135 | atomic_read(&q->block_count), | |
136 | atomic_read(&q->block_read) ? 'r' : '-', | |
137 | atomic_read(&q->block_write) ? 'w' : '-', | |
138 | waitqueue_active(&q->read_queue) ? 'r' : '-', | |
139 | waitqueue_active(&q->write_queue) ? 'w' : '-', | |
140 | waitqueue_active(&q->flush_queue) ? 'f' : '-', | |
141 | DRM_BUFCOUNT(&q->waitlist)); | |
142 | atomic_dec(&q->use_count); | |
143 | } | |
144 | mutex_unlock(&dev->struct_mutex); | |
145 | return 0; | |
146 | } | |
147 | ||
148 | /** | |
149 | * Called when "/proc/dri/.../bufs" is read. | |
150 | */ | |
151 | int drm_bufs_info(struct seq_file *m, void *data) | |
152 | { | |
153 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
154 | struct drm_device *dev = node->minor->dev; | |
155 | struct drm_device_dma *dma; | |
156 | int i, seg_pages; | |
157 | ||
158 | mutex_lock(&dev->struct_mutex); | |
159 | dma = dev->dma; | |
160 | if (!dma) { | |
161 | mutex_unlock(&dev->struct_mutex); | |
162 | return 0; | |
163 | } | |
164 | ||
165 | seq_printf(m, " o size count free segs pages kB\n\n"); | |
166 | for (i = 0; i <= DRM_MAX_ORDER; i++) { | |
167 | if (dma->bufs[i].buf_count) { | |
168 | seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order); | |
169 | seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n", | |
170 | i, | |
171 | dma->bufs[i].buf_size, | |
172 | dma->bufs[i].buf_count, | |
173 | atomic_read(&dma->bufs[i].freelist.count), | |
174 | dma->bufs[i].seg_count, | |
175 | seg_pages, | |
176 | seg_pages * PAGE_SIZE / 1024); | |
177 | } | |
178 | } | |
179 | seq_printf(m, "\n"); | |
180 | for (i = 0; i < dma->buf_count; i++) { | |
181 | if (i && !(i % 32)) | |
182 | seq_printf(m, "\n"); | |
183 | seq_printf(m, " %d", dma->buflist[i]->list); | |
184 | } | |
185 | seq_printf(m, "\n"); | |
186 | mutex_unlock(&dev->struct_mutex); | |
187 | return 0; | |
188 | } | |
189 | ||
190 | /** | |
191 | * Called when "/proc/dri/.../vblank" is read. | |
192 | */ | |
193 | int drm_vblank_info(struct seq_file *m, void *data) | |
194 | { | |
195 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
196 | struct drm_device *dev = node->minor->dev; | |
197 | int crtc; | |
198 | ||
199 | mutex_lock(&dev->struct_mutex); | |
200 | for (crtc = 0; crtc < dev->num_crtcs; crtc++) { | |
201 | seq_printf(m, "CRTC %d enable: %d\n", | |
202 | crtc, atomic_read(&dev->vblank_refcount[crtc])); | |
203 | seq_printf(m, "CRTC %d counter: %d\n", | |
204 | crtc, drm_vblank_count(dev, crtc)); | |
205 | seq_printf(m, "CRTC %d last wait: %d\n", | |
206 | crtc, dev->last_vblank_wait[crtc]); | |
207 | seq_printf(m, "CRTC %d in modeset: %d\n", | |
208 | crtc, dev->vblank_inmodeset[crtc]); | |
209 | } | |
210 | mutex_unlock(&dev->struct_mutex); | |
211 | return 0; | |
212 | } | |
213 | ||
214 | /** | |
215 | * Called when "/proc/dri/.../clients" is read. | |
216 | * | |
217 | */ | |
218 | int drm_clients_info(struct seq_file *m, void *data) | |
219 | { | |
220 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
221 | struct drm_device *dev = node->minor->dev; | |
222 | struct drm_file *priv; | |
223 | ||
224 | mutex_lock(&dev->struct_mutex); | |
225 | seq_printf(m, "a dev pid uid magic ioctls\n\n"); | |
226 | list_for_each_entry(priv, &dev->filelist, lhead) { | |
227 | seq_printf(m, "%c %3d %5d %5d %10u %10lu\n", | |
228 | priv->authenticated ? 'y' : 'n', | |
229 | priv->minor->index, | |
230 | priv->pid, | |
231 | priv->uid, priv->magic, priv->ioctl_count); | |
232 | } | |
233 | mutex_unlock(&dev->struct_mutex); | |
234 | return 0; | |
235 | } | |
236 | ||
237 | ||
238 | int drm_gem_one_name_info(int id, void *ptr, void *data) | |
239 | { | |
240 | struct drm_gem_object *obj = ptr; | |
241 | struct seq_file *m = data; | |
242 | ||
243 | seq_printf(m, "name %d size %zd\n", obj->name, obj->size); | |
244 | ||
245 | seq_printf(m, "%6d %8zd %7d %8d\n", | |
246 | obj->name, obj->size, | |
247 | atomic_read(&obj->handlecount.refcount), | |
248 | atomic_read(&obj->refcount.refcount)); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | int drm_gem_name_info(struct seq_file *m, void *data) | |
253 | { | |
254 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
255 | struct drm_device *dev = node->minor->dev; | |
256 | ||
257 | seq_printf(m, " name size handles refcount\n"); | |
258 | idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m); | |
259 | return 0; | |
260 | } | |
261 | ||
262 | int drm_gem_object_info(struct seq_file *m, void* data) | |
263 | { | |
264 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
265 | struct drm_device *dev = node->minor->dev; | |
266 | ||
267 | seq_printf(m, "%d objects\n", atomic_read(&dev->object_count)); | |
268 | seq_printf(m, "%d object bytes\n", atomic_read(&dev->object_memory)); | |
269 | seq_printf(m, "%d pinned\n", atomic_read(&dev->pin_count)); | |
270 | seq_printf(m, "%d pin bytes\n", atomic_read(&dev->pin_memory)); | |
271 | seq_printf(m, "%d gtt bytes\n", atomic_read(&dev->gtt_memory)); | |
272 | seq_printf(m, "%d gtt total\n", dev->gtt_total); | |
273 | return 0; | |
274 | } | |
275 | ||
276 | #if DRM_DEBUG_CODE | |
277 | ||
278 | int drm_vma_info(struct seq_file *m, void *data) | |
279 | { | |
280 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
281 | struct drm_device *dev = node->minor->dev; | |
282 | struct drm_vma_entry *pt; | |
283 | struct vm_area_struct *vma; | |
284 | #if defined(__i386__) | |
285 | unsigned int pgprot; | |
286 | #endif | |
287 | ||
288 | mutex_lock(&dev->struct_mutex); | |
82268da1 | 289 | seq_printf(m, "vma use count: %d, high_memory = %p, 0x%08llx\n", |
955b12de | 290 | atomic_read(&dev->vma_count), |
82268da1 | 291 | high_memory, (u64)virt_to_phys(high_memory)); |
955b12de BG |
292 | |
293 | list_for_each_entry(pt, &dev->vmalist, head) { | |
294 | vma = pt->vma; | |
295 | if (!vma) | |
296 | continue; | |
297 | seq_printf(m, | |
298 | "\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", | |
299 | pt->pid, vma->vm_start, vma->vm_end, | |
300 | vma->vm_flags & VM_READ ? 'r' : '-', | |
301 | vma->vm_flags & VM_WRITE ? 'w' : '-', | |
302 | vma->vm_flags & VM_EXEC ? 'x' : '-', | |
303 | vma->vm_flags & VM_MAYSHARE ? 's' : 'p', | |
304 | vma->vm_flags & VM_LOCKED ? 'l' : '-', | |
305 | vma->vm_flags & VM_IO ? 'i' : '-', | |
306 | vma->vm_pgoff); | |
307 | ||
308 | #if defined(__i386__) | |
309 | pgprot = pgprot_val(vma->vm_page_prot); | |
310 | seq_printf(m, " %c%c%c%c%c%c%c%c%c", | |
311 | pgprot & _PAGE_PRESENT ? 'p' : '-', | |
312 | pgprot & _PAGE_RW ? 'w' : 'r', | |
313 | pgprot & _PAGE_USER ? 'u' : 's', | |
314 | pgprot & _PAGE_PWT ? 't' : 'b', | |
315 | pgprot & _PAGE_PCD ? 'u' : 'c', | |
316 | pgprot & _PAGE_ACCESSED ? 'a' : '-', | |
317 | pgprot & _PAGE_DIRTY ? 'd' : '-', | |
318 | pgprot & _PAGE_PSE ? 'm' : 'k', | |
319 | pgprot & _PAGE_GLOBAL ? 'g' : 'l'); | |
320 | #endif | |
321 | seq_printf(m, "\n"); | |
322 | } | |
323 | mutex_unlock(&dev->struct_mutex); | |
324 | return 0; | |
325 | } | |
326 | ||
327 | #endif | |
328 |