f0f6c6b93f3a235a4a667bcac27a56f5667b4562
[kernel.git] / drivers / gpu / drm / drm_info.c
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;
75         struct drm_local_map *map;
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
97                 seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s  0x%02x 0x%08lx ",
98                            i,
99                            (unsigned long long)map->offset,
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);
289         seq_printf(m, "vma use count: %d, high_memory = %p, 0x%08llx\n",
290                    atomic_read(&dev->vma_count),
291                    high_memory, (u64)virt_to_phys(high_memory));
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