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authorBen Gamari <bgamari@gmail.com>2009-02-17 20:08:49 -0500
committerEric Anholt <eric@anholt.net>2009-03-27 18:12:00 -0400
commit28a62277e06f93729d0340d9659153dcfbdbe16d (patch)
tree6fbdd815754c329273d3bdb5adb31fc1f308ae32
parent40a5f0decdf050785ebd62b36ad48c869ee4b384 (diff)
drm: Convert proc files to seq_file and introduce debugfs
The old mechanism to formatting proc files is extremely ugly. The seq_file API was designed specifically for cases like this and greatly simplifies the process. Also, most of the files in /proc really don't belong there. This patch introduces the infrastructure for putting these into debugfs and exposes all of the proc files in debugfs as well. Signed-off-by: Ben Gamari <bgamari@gmail.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat
-rw-r--r--drivers/gpu/drm/Makefile3
-rw-r--r--drivers/gpu/drm/drm_debugfs.c235
-rw-r--r--drivers/gpu/drm/drm_drv.c12
-rw-r--r--drivers/gpu/drm/drm_info.c328
-rw-r--r--drivers/gpu/drm/drm_proc.c721
-rw-r--r--drivers/gpu/drm/drm_stub.c15
-rw-r--r--include/drm/drmP.h77
7 files changed, 776 insertions, 615 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 30022c4a5c12..4ec5061fa584 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -10,7 +10,8 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \
10 drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ 10 drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
11 drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ 11 drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
12 drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \ 12 drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
13 drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o 13 drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o \
14 drm_info.o drm_debugfs.o
14 15
15drm-$(CONFIG_COMPAT) += drm_ioc32.o 16drm-$(CONFIG_COMPAT) += drm_ioc32.o
16 17
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
new file mode 100644
index 000000000000..c77c6c6d9d2c
--- /dev/null
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -0,0 +1,235 @@
1/**
2 * \file drm_debugfs.c
3 * debugfs support for DRM
4 *
5 * \author Ben Gamari <bgamari@gmail.com>
6 */
7
8/*
9 * Created: Sun Dec 21 13:08:50 2008 by bgamari@gmail.com
10 *
11 * Copyright 2008 Ben Gamari <bgamari@gmail.com>
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a
14 * copy of this software and associated documentation files (the "Software"),
15 * to deal in the Software without restriction, including without limitation
16 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17 * and/or sell copies of the Software, and to permit persons to whom the
18 * Software is furnished to do so, subject to the following conditions:
19 *
20 * The above copyright notice and this permission notice (including the next
21 * paragraph) shall be included in all copies or substantial portions of the
22 * Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
27 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
28 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
29 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
30 * OTHER DEALINGS IN THE SOFTWARE.
31 */
32
33#include <linux/debugfs.h>
34#include <linux/seq_file.h>
35#include "drmP.h"
36
37#if defined(CONFIG_DEBUG_FS)
38
39/***************************************************
40 * Initialization, etc.
41 **************************************************/
42
43static struct drm_info_list drm_debugfs_list[] = {
44 {"name", drm_name_info, 0},
45 {"vm", drm_vm_info, 0},
46 {"clients", drm_clients_info, 0},
47 {"queues", drm_queues_info, 0},
48 {"bufs", drm_bufs_info, 0},
49 {"gem_names", drm_gem_name_info, DRIVER_GEM},
50 {"gem_objects", drm_gem_object_info, DRIVER_GEM},
51#if DRM_DEBUG_CODE
52 {"vma", drm_vma_info, 0},
53#endif
54};
55#define DRM_DEBUGFS_ENTRIES ARRAY_SIZE(drm_debugfs_list)
56
57
58static int drm_debugfs_open(struct inode *inode, struct file *file)
59{
60 struct drm_info_node *node = inode->i_private;
61
62 return single_open(file, node->info_ent->show, node);
63}
64
65
66static const struct file_operations drm_debugfs_fops = {
67 .owner = THIS_MODULE,
68 .open = drm_debugfs_open,
69 .read = seq_read,
70 .llseek = seq_lseek,
71 .release = single_release,
72};
73
74
75/**
76 * Initialize a given set of debugfs files for a device
77 *
78 * \param files The array of files to create
79 * \param count The number of files given
80 * \param root DRI debugfs dir entry.
81 * \param minor device minor number
82 * \return Zero on success, non-zero on failure
83 *
84 * Create a given set of debugfs files represented by an array of
85 * gdm_debugfs_lists in the given root directory.
86 */
87int drm_debugfs_create_files(struct drm_info_list *files, int count,
88 struct dentry *root, struct drm_minor *minor)
89{
90 struct drm_device *dev = minor->dev;
91 struct dentry *ent;
92 struct drm_info_node *tmp;
93 char name[64];
94 int i, ret;
95
96 for (i = 0; i < count; i++) {
97 u32 features = files[i].driver_features;
98
99 if (features != 0 &&
100 (dev->driver->driver_features & features) != features)
101 continue;
102
103 tmp = drm_alloc(sizeof(struct drm_info_node),
104 _DRM_DRIVER);
105 ent = debugfs_create_file(files[i].name, S_IFREG | S_IRUGO,
106 root, tmp, &drm_debugfs_fops);
107 if (!ent) {
108 DRM_ERROR("Cannot create /debugfs/dri/%s/%s\n",
109 name, files[i].name);
110 drm_free(tmp, sizeof(struct drm_info_node),
111 _DRM_DRIVER);
112 ret = -1;
113 goto fail;
114 }
115
116 tmp->minor = minor;
117 tmp->dent = ent;
118 tmp->info_ent = &files[i];
119 list_add(&(tmp->list), &(minor->debugfs_nodes.list));
120 }
121 return 0;
122
123fail:
124 drm_debugfs_remove_files(files, count, minor);
125 return ret;
126}
127EXPORT_SYMBOL(drm_debugfs_create_files);
128
129/**
130 * Initialize the DRI debugfs filesystem for a device
131 *
132 * \param dev DRM device
133 * \param minor device minor number
134 * \param root DRI debugfs dir entry.
135 *
136 * Create the DRI debugfs root entry "/debugfs/dri", the device debugfs root entry
137 * "/debugfs/dri/%minor%/", and each entry in debugfs_list as
138 * "/debugfs/dri/%minor%/%name%".
139 */
140int drm_debugfs_init(struct drm_minor *minor, int minor_id,
141 struct dentry *root)
142{
143 struct drm_device *dev = minor->dev;
144 char name[64];
145 int ret;
146
147 INIT_LIST_HEAD(&minor->debugfs_nodes.list);
148 sprintf(name, "%d", minor_id);
149 minor->debugfs_root = debugfs_create_dir(name, root);
150 if (!minor->debugfs_root) {
151 DRM_ERROR("Cannot create /debugfs/dri/%s\n", name);
152 return -1;
153 }
154
155 ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES,
156 minor->debugfs_root, minor);
157 if (ret) {
158 debugfs_remove(minor->debugfs_root);
159 minor->debugfs_root = NULL;
160 DRM_ERROR("Failed to create core drm debugfs files\n");
161 return ret;
162 }
163
164 if (dev->driver->debugfs_init) {
165 ret = dev->driver->debugfs_init(minor);
166 if (ret) {
167 DRM_ERROR("DRM: Driver failed to initialize "
168 "/debugfs/dri.\n");
169 return ret;
170 }
171 }
172 return 0;
173}
174
175
176/**
177 * Remove a list of debugfs files
178 *
179 * \param files The list of files
180 * \param count The number of files
181 * \param minor The minor of which we should remove the files
182 * \return always zero.
183 *
184 * Remove all debugfs entries created by debugfs_init().
185 */
186int drm_debugfs_remove_files(struct drm_info_list *files, int count,
187 struct drm_minor *minor)
188{
189 struct list_head *pos, *q;
190 struct drm_info_node *tmp;
191 int i;
192
193 for (i = 0; i < count; i++) {
194 list_for_each_safe(pos, q, &minor->debugfs_nodes.list) {
195 tmp = list_entry(pos, struct drm_info_node, list);
196 if (tmp->info_ent == &files[i]) {
197 debugfs_remove(tmp->dent);
198 list_del(pos);
199 drm_free(tmp, sizeof(struct drm_info_node),
200 _DRM_DRIVER);
201 }
202 }
203 }
204 return 0;
205}
206EXPORT_SYMBOL(drm_debugfs_remove_files);
207
208/**
209 * Cleanup the debugfs filesystem resources.
210 *
211 * \param minor device minor number.
212 * \return always zero.
213 *
214 * Remove all debugfs entries created by debugfs_init().
215 */
216int drm_debugfs_cleanup(struct drm_minor *minor)
217{
218 struct drm_device *dev = minor->dev;
219
220 if (!minor->debugfs_root)
221 return 0;
222
223 if (dev->driver->debugfs_cleanup)
224 dev->driver->debugfs_cleanup(minor);
225
226 drm_debugfs_remove_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, minor);
227
228 debugfs_remove(minor->debugfs_root);
229 minor->debugfs_root = NULL;
230
231 return 0;
232}
233
234#endif /* CONFIG_DEBUG_FS */
235
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 14c7a23dc157..ed32edb17166 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -46,9 +46,11 @@
46 * OTHER DEALINGS IN THE SOFTWARE. 46 * OTHER DEALINGS IN THE SOFTWARE.
47 */ 47 */
48 48
49#include <linux/debugfs.h>
49#include "drmP.h" 50#include "drmP.h"
50#include "drm_core.h" 51#include "drm_core.h"
51 52
53
52static int drm_version(struct drm_device *dev, void *data, 54static int drm_version(struct drm_device *dev, void *data,
53 struct drm_file *file_priv); 55 struct drm_file *file_priv);
54 56
@@ -178,7 +180,7 @@ int drm_lastclose(struct drm_device * dev)
178 180
179 /* Clear AGP information */ 181 /* Clear AGP information */
180 if (drm_core_has_AGP(dev) && dev->agp && 182 if (drm_core_has_AGP(dev) && dev->agp &&
181 !drm_core_check_feature(dev, DRIVER_MODESET)) { 183 !drm_core_check_feature(dev, DRIVER_MODESET)) {
182 struct drm_agp_mem *entry, *tempe; 184 struct drm_agp_mem *entry, *tempe;
183 185
184 /* Remove AGP resources, but leave dev->agp 186 /* Remove AGP resources, but leave dev->agp
@@ -382,6 +384,13 @@ static int __init drm_core_init(void)
382 goto err_p3; 384 goto err_p3;
383 } 385 }
384 386
387 drm_debugfs_root = debugfs_create_dir("dri", NULL);
388 if (!drm_debugfs_root) {
389 DRM_ERROR("Cannot create /debugfs/dri\n");
390 ret = -1;
391 goto err_p3;
392 }
393
385 drm_mem_init(); 394 drm_mem_init();
386 395
387 DRM_INFO("Initialized %s %d.%d.%d %s\n", 396 DRM_INFO("Initialized %s %d.%d.%d %s\n",
@@ -400,6 +409,7 @@ err_p1:
400static void __exit drm_core_exit(void) 409static void __exit drm_core_exit(void)
401{ 410{
402 remove_proc_entry("dri", NULL); 411 remove_proc_entry("dri", NULL);
412 debugfs_remove(drm_debugfs_root);
403 drm_sysfs_destroy(); 413 drm_sysfs_destroy();
404 414
405 unregister_chrdev(DRM_MAJOR, "drm"); 415 unregister_chrdev(DRM_MAJOR, "drm");
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
new file mode 100644
index 000000000000..fc98952b9033
--- /dev/null
+++ b/drivers/gpu/drm/drm_info.c
@@ -0,0 +1,328 @@
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 */
44int 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 */
71int 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_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%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
98 i,
99 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 */
115int 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 */
151int 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 */
193int 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 */
218int 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
238int 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
252int 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
262int 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
278int 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%08lx\n",
290 atomic_read(&dev->vma_count),
291 high_memory, 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
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index 8df849f66830..9b3c5af61e98 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -37,697 +37,196 @@
37 * OTHER DEALINGS IN THE SOFTWARE. 37 * OTHER DEALINGS IN THE SOFTWARE.
38 */ 38 */
39 39
40#include <linux/seq_file.h>
40#include "drmP.h" 41#include "drmP.h"
41 42
42static int drm_name_info(char *buf, char **start, off_t offset, 43
43 int request, int *eof, void *data); 44/***************************************************
44static int drm_vm_info(char *buf, char **start, off_t offset, 45 * Initialization, etc.
45 int request, int *eof, void *data); 46 **************************************************/
46static int drm_clients_info(char *buf, char **start, off_t offset,
47 int request, int *eof, void *data);
48static int drm_queues_info(char *buf, char **start, off_t offset,
49 int request, int *eof, void *data);
50static int drm_bufs_info(char *buf, char **start, off_t offset,
51 int request, int *eof, void *data);
52static int drm_vblank_info(char *buf, char **start, off_t offset,
53 int request, int *eof, void *data);
54static int drm_gem_name_info(char *buf, char **start, off_t offset,
55 int request, int *eof, void *data);
56static int drm_gem_object_info(char *buf, char **start, off_t offset,
57 int request, int *eof, void *data);
58#if DRM_DEBUG_CODE
59static int drm_vma_info(char *buf, char **start, off_t offset,
60 int request, int *eof, void *data);
61#endif
62 47
63/** 48/**
64 * Proc file list. 49 * Proc file list.
65 */ 50 */
66static struct drm_proc_list { 51static struct drm_info_list drm_proc_list[] = {
67 const char *name; /**< file name */
68 int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/
69 u32 driver_features; /**< Required driver features for this entry */
70} drm_proc_list[] = {
71 {"name", drm_name_info, 0}, 52 {"name", drm_name_info, 0},
72 {"mem", drm_mem_info, 0},
73 {"vm", drm_vm_info, 0}, 53 {"vm", drm_vm_info, 0},
74 {"clients", drm_clients_info, 0}, 54 {"clients", drm_clients_info, 0},
75 {"queues", drm_queues_info, 0}, 55 {"queues", drm_queues_info, 0},
76 {"bufs", drm_bufs_info, 0}, 56 {"bufs", drm_bufs_info, 0},
77 {"vblank", drm_vblank_info, 0},
78 {"gem_names", drm_gem_name_info, DRIVER_GEM}, 57 {"gem_names", drm_gem_name_info, DRIVER_GEM},
79 {"gem_objects", drm_gem_object_info, DRIVER_GEM}, 58 {"gem_objects", drm_gem_object_info, DRIVER_GEM},
80#if DRM_DEBUG_CODE 59#if DRM_DEBUG_CODE
81 {"vma", drm_vma_info}, 60 {"vma", drm_vma_info, 0},
82#endif 61#endif
83}; 62};
84
85#define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list) 63#define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list)
86 64
65static int drm_proc_open(struct inode *inode, struct file *file)
66{
67 struct drm_info_node* node = PDE(inode)->data;
68
69 return single_open(file, node->info_ent->show, node);
70}
71
72static const struct file_operations drm_proc_fops = {
73 .owner = THIS_MODULE,
74 .open = drm_proc_open,
75 .read = seq_read,
76 .llseek = seq_lseek,
77 .release = single_release,
78};
79
80
87/** 81/**
88 * Initialize the DRI proc filesystem for a device. 82 * Initialize a given set of proc files for a device
89 * 83 *
90 * \param dev DRM device. 84 * \param files The array of files to create
91 * \param minor device minor number. 85 * \param count The number of files given
92 * \param root DRI proc dir entry. 86 * \param root DRI proc dir entry.
93 * \param dev_root resulting DRI device proc dir entry. 87 * \param minor device minor number
94 * \return root entry pointer on success, or NULL on failure. 88 * \return Zero on success, non-zero on failure
95 * 89 *
96 * Create the DRI proc root entry "/proc/dri", the device proc root entry 90 * Create a given set of proc files represented by an array of
97 * "/proc/dri/%minor%/", and each entry in proc_list as 91 * gdm_proc_lists in the given root directory.
98 * "/proc/dri/%minor%/%name%".
99 */ 92 */
100int drm_proc_init(struct drm_minor *minor, int minor_id, 93int drm_proc_create_files(struct drm_info_list *files, int count,
101 struct proc_dir_entry *root) 94 struct proc_dir_entry *root, struct drm_minor *minor)
102{ 95{
103 struct drm_device *dev = minor->dev; 96 struct drm_device *dev = minor->dev;
104 struct proc_dir_entry *ent; 97 struct proc_dir_entry *ent;
105 int i, j, ret; 98 struct drm_info_node *tmp;
106 char name[64]; 99 char name[64];
100 int i, ret;
107 101
108 sprintf(name, "%d", minor_id); 102 for (i = 0; i < count; i++) {
109 minor->dev_root = proc_mkdir(name, root); 103 u32 features = files[i].driver_features;
110 if (!minor->dev_root) {
111 DRM_ERROR("Cannot create /proc/dri/%s\n", name);
112 return -1;
113 }
114
115 for (i = 0; i < DRM_PROC_ENTRIES; i++) {
116 u32 features = drm_proc_list[i].driver_features;
117 104
118 if (features != 0 && 105 if (features != 0 &&
119 (dev->driver->driver_features & features) != features) 106 (dev->driver->driver_features & features) != features)
120 continue; 107 continue;
121 108
122 ent = create_proc_entry(drm_proc_list[i].name, 109 tmp = drm_alloc(sizeof(struct drm_info_node), _DRM_DRIVER);
123 S_IFREG | S_IRUGO, minor->dev_root); 110 ent = create_proc_entry(files[i].name, S_IFREG | S_IRUGO, root);
124 if (!ent) { 111 if (!ent) {
125 DRM_ERROR("Cannot create /proc/dri/%s/%s\n", 112 DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
126 name, drm_proc_list[i].name); 113 name, files[i].name);
114 drm_free(tmp, sizeof(struct drm_info_node),
115 _DRM_DRIVER);
127 ret = -1; 116 ret = -1;
128 goto fail; 117 goto fail;
129 } 118 }
130 ent->read_proc = drm_proc_list[i].f;
131 ent->data = minor;
132 }
133 119
134 if (dev->driver->proc_init) { 120 ent->proc_fops = &drm_proc_fops;
135 ret = dev->driver->proc_init(minor); 121 ent->data = tmp;
136 if (ret) { 122 tmp->minor = minor;
137 DRM_ERROR("DRM: Driver failed to initialize " 123 tmp->info_ent = &files[i];
138 "/proc/dri.\n"); 124 list_add(&(tmp->list), &(minor->proc_nodes.list));
139 goto fail;
140 }
141 } 125 }
142
143 return 0; 126 return 0;
144 fail:
145 127
146 for (j = 0; j < i; j++) 128fail:
147 remove_proc_entry(drm_proc_list[i].name, 129 for (i = 0; i < count; i++)
148 minor->dev_root); 130 remove_proc_entry(drm_proc_list[i].name, minor->proc_root);
149 remove_proc_entry(name, root);
150 minor->dev_root = NULL;
151 return ret; 131 return ret;
152} 132}
153 133
154/** 134/**
155 * Cleanup the proc filesystem resources. 135 * Initialize the DRI proc filesystem for a device
156 * 136 *
157 * \param minor device minor number. 137 * \param dev DRM device
138 * \param minor device minor number
158 * \param root DRI proc dir entry. 139 * \param root DRI proc dir entry.
159 * \param dev_root DRI device proc dir entry. 140 * \param dev_root resulting DRI device proc dir entry.
160 * \return always zero. 141 * \return root entry pointer on success, or NULL on failure.
161 * 142 *
162 * Remove all proc entries created by proc_init(). 143 * Create the DRI proc root entry "/proc/dri", the device proc root entry
144 * "/proc/dri/%minor%/", and each entry in proc_list as
145 * "/proc/dri/%minor%/%name%".
163 */ 146 */
164int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root) 147int drm_proc_init(struct drm_minor *minor, int minor_id,
148 struct proc_dir_entry *root)
165{ 149{
166 struct drm_device *dev = minor->dev; 150 struct drm_device *dev = minor->dev;
167 int i;
168 char name[64]; 151 char name[64];
152 int ret;
169 153
170 if (!root || !minor->dev_root) 154 INIT_LIST_HEAD(&minor->proc_nodes.list);
171 return 0; 155 sprintf(name, "%d", minor_id);
172 156 minor->proc_root = proc_mkdir(name, root);
173 if (dev->driver->proc_cleanup) 157 if (!minor->proc_root) {
174 dev->driver->proc_cleanup(minor); 158 DRM_ERROR("Cannot create /proc/dri/%s\n", name);
175 159 return -1;
176 for (i = 0; i < DRM_PROC_ENTRIES; i++)
177 remove_proc_entry(drm_proc_list[i].name, minor->dev_root);
178 sprintf(name, "%d", minor->index);
179 remove_proc_entry(name, root);
180
181 return 0;
182}
183
184/**
185 * Called when "/proc/dri/.../name" is read.
186 *
187 * \param buf output buffer.
188 * \param start start of output data.
189 * \param offset requested start offset.
190 * \param request requested number of bytes.
191 * \param eof whether there is no more data to return.
192 * \param data private data.
193 * \return number of written bytes.
194 *
195 * Prints the device name together with the bus id if available.
196 */
197static int drm_name_info(char *buf, char **start, off_t offset, int request,
198 int *eof, void *data)
199{
200 struct drm_minor *minor = (struct drm_minor *) data;
201 struct drm_master *master = minor->master;
202 struct drm_device *dev = minor->dev;
203 int len = 0;
204
205 if (offset > DRM_PROC_LIMIT) {
206 *eof = 1;
207 return 0;
208 } 160 }
209 161
210 if (!master) 162 ret = drm_proc_create_files(drm_proc_list, DRM_PROC_ENTRIES,
211 return 0; 163 minor->proc_root, minor);
212 164 if (ret) {
213 *start = &buf[offset]; 165 remove_proc_entry(name, root);
214 *eof = 0; 166 minor->proc_root = NULL;
215 167 DRM_ERROR("Failed to create core drm proc files\n");
216 if (master->unique) { 168 return ret;
217 DRM_PROC_PRINT("%s %s %s\n",
218 dev->driver->pci_driver.name,
219 pci_name(dev->pdev), master->unique);
220 } else {
221 DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name,
222 pci_name(dev->pdev));
223 } 169 }
224 170
225 if (len > request + offset) 171 if (dev->driver->proc_init) {
226 return request; 172 ret = dev->driver->proc_init(minor);
227 *eof = 1; 173 if (ret) {
228 return len - offset; 174 DRM_ERROR("DRM: Driver failed to initialize "
229} 175 "/proc/dri.\n");
230 176 return ret;
231/**
232 * Called when "/proc/dri/.../vm" is read.
233 *
234 * \param buf output buffer.
235 * \param start start of output data.
236 * \param offset requested start offset.
237 * \param request requested number of bytes.
238 * \param eof whether there is no more data to return.
239 * \param data private data.
240 * \return number of written bytes.
241 *
242 * Prints information about all mappings in drm_device::maplist.
243 */
244static int drm__vm_info(char *buf, char **start, off_t offset, int request,
245 int *eof, void *data)
246{
247 struct drm_minor *minor = (struct drm_minor *) data;
248 struct drm_device *dev = minor->dev;
249 int len = 0;
250 struct drm_map *map;
251 struct drm_map_list *r_list;
252
253 /* Hardcoded from _DRM_FRAME_BUFFER,
254 _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
255 _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
256 const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
257 const char *type;
258 int i;
259
260 if (offset > DRM_PROC_LIMIT) {
261 *eof = 1;
262 return 0;
263 }
264
265 *start = &buf[offset];
266 *eof = 0;
267
268 DRM_PROC_PRINT("slot offset size type flags "
269 "address mtrr\n\n");
270 i = 0;
271 list_for_each_entry(r_list, &dev->maplist, head) {
272 map = r_list->map;
273 if (!map)
274 continue;
275 if (map->type < 0 || map->type > 5)
276 type = "??";
277 else
278 type = types[map->type];
279 DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
280 i,
281 map->offset,
282 map->size, type, map->flags,
283 (unsigned long) r_list->user_token);
284 if (map->mtrr < 0) {
285 DRM_PROC_PRINT("none\n");
286 } else {
287 DRM_PROC_PRINT("%4d\n", map->mtrr);
288 } 177 }
289 i++;
290 }
291
292 if (len > request + offset)
293 return request;
294 *eof = 1;
295 return len - offset;
296}
297
298/**
299 * Simply calls _vm_info() while holding the drm_device::struct_mutex lock.
300 */
301static int drm_vm_info(char *buf, char **start, off_t offset, int request,
302 int *eof, void *data)
303{
304 struct drm_minor *minor = (struct drm_minor *) data;
305 struct drm_device *dev = minor->dev;
306 int ret;
307
308 mutex_lock(&dev->struct_mutex);
309 ret = drm__vm_info(buf, start, offset, request, eof, data);
310 mutex_unlock(&dev->struct_mutex);
311 return ret;
312}
313
314/**
315 * Called when "/proc/dri/.../queues" is read.
316 *
317 * \param buf output buffer.
318 * \param start start of output data.
319 * \param offset requested start offset.
320 * \param request requested number of bytes.
321 * \param eof whether there is no more data to return.
322 * \param data private data.
323 * \return number of written bytes.
324 */
325static int drm__queues_info(char *buf, char **start, off_t offset,
326 int request, int *eof, void *data)
327{
328 struct drm_minor *minor = (struct drm_minor *) data;
329 struct drm_device *dev = minor->dev;
330 int len = 0;
331 int i;
332 struct drm_queue *q;
333
334 if (offset > DRM_PROC_LIMIT) {
335 *eof = 1;
336 return 0;
337 } 178 }
338 179 return 0;
339 *start = &buf[offset];
340 *eof = 0;
341
342 DRM_PROC_PRINT(" ctx/flags use fin"
343 " blk/rw/rwf wait flushed queued"
344 " locks\n\n");
345 for (i = 0; i < dev->queue_count; i++) {
346 q = dev->queuelist[i];
347 atomic_inc(&q->use_count);
348 DRM_PROC_PRINT_RET(atomic_dec(&q->use_count),
349 "%5d/0x%03x %5d %5d"
350 " %5d/%c%c/%c%c%c %5Zd\n",
351 i,
352 q->flags,
353 atomic_read(&q->use_count),
354 atomic_read(&q->finalization),
355 atomic_read(&q->block_count),
356 atomic_read(&q->block_read) ? 'r' : '-',
357 atomic_read(&q->block_write) ? 'w' : '-',
358 waitqueue_active(&q->read_queue) ? 'r' : '-',
359 waitqueue_active(&q->
360 write_queue) ? 'w' : '-',
361 waitqueue_active(&q->
362 flush_queue) ? 'f' : '-',
363 DRM_BUFCOUNT(&q->waitlist));
364 atomic_dec(&q->use_count);
365 }
366
367 if (len > request + offset)
368 return request;
369 *eof = 1;
370 return len - offset;
371}
372
373/**
374 * Simply calls _queues_info() while holding the drm_device::struct_mutex lock.
375 */
376static int drm_queues_info(char *buf, char **start, off_t offset, int request,
377 int *eof, void *data)
378{
379 struct drm_minor *minor = (struct drm_minor *) data;
380 struct drm_device *dev = minor->dev;
381 int ret;
382
383 mutex_lock(&dev->struct_mutex);
384 ret = drm__queues_info(buf, start, offset, request, eof, data);
385 mutex_unlock(&dev->struct_mutex);
386 return ret;
387} 180}
388 181
389/** 182int drm_proc_remove_files(struct drm_info_list *files, int count,
390 * Called when "/proc/dri/.../bufs" is read. 183 struct drm_minor *minor)
391 *
392 * \param buf output buffer.
393 * \param start start of output data.
394 * \param offset requested start offset.
395 * \param request requested number of bytes.
396 * \param eof whether there is no more data to return.
397 * \param data private data.
398 * \return number of written bytes.
399 */
400static int drm__bufs_info(char *buf, char **start, off_t offset, int request,
401 int *eof, void *data)
402{ 184{
403 struct drm_minor *minor = (struct drm_minor *) data; 185 struct list_head *pos, *q;
404 struct drm_device *dev = minor->dev; 186 struct drm_info_node *tmp;
405 int len = 0;
406 struct drm_device_dma *dma = dev->dma;
407 int i; 187 int i;
408 188
409 if (!dma || offset > DRM_PROC_LIMIT) { 189 for (i = 0; i < count; i++) {
410 *eof = 1; 190 list_for_each_safe(pos, q, &minor->proc_nodes.list) {
411 return 0; 191 tmp = list_entry(pos, struct drm_info_node, list);
412 } 192 if (tmp->info_ent == &files[i]) {
413 193 remove_proc_entry(files[i].name,
414 *start = &buf[offset]; 194 minor->proc_root);
415 *eof = 0; 195 list_del(pos);
416 196 drm_free(tmp, sizeof(struct drm_info_node),
417 DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); 197 _DRM_DRIVER);
418 for (i = 0; i <= DRM_MAX_ORDER; i++) { 198 }
419 if (dma->bufs[i].buf_count) 199 }
420 DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n",
421 i,
422 dma->bufs[i].buf_size,
423 dma->bufs[i].buf_count,
424 atomic_read(&dma->bufs[i]
425 .freelist.count),
426 dma->bufs[i].seg_count,
427 dma->bufs[i].seg_count
428 * (1 << dma->bufs[i].page_order),
429 (dma->bufs[i].seg_count
430 * (1 << dma->bufs[i].page_order))
431 * PAGE_SIZE / 1024);
432 }
433 DRM_PROC_PRINT("\n");
434 for (i = 0; i < dma->buf_count; i++) {
435 if (i && !(i % 32))
436 DRM_PROC_PRINT("\n");
437 DRM_PROC_PRINT(" %d", dma->buflist[i]->list);
438 } 200 }
439 DRM_PROC_PRINT("\n"); 201 return 0;
440
441 if (len > request + offset)
442 return request;
443 *eof = 1;
444 return len - offset;
445}
446
447/**
448 * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock.
449 */
450static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
451 int *eof, void *data)
452{
453 struct drm_minor *minor = (struct drm_minor *) data;
454 struct drm_device *dev = minor->dev;
455 int ret;
456
457 mutex_lock(&dev->struct_mutex);
458 ret = drm__bufs_info(buf, start, offset, request, eof, data);
459 mutex_unlock(&dev->struct_mutex);
460 return ret;
461} 202}
462 203
463/** 204/**
464 * Called when "/proc/dri/.../vblank" is read. 205 * Cleanup the proc filesystem resources.
465 * 206 *
466 * \param buf output buffer. 207 * \param minor device minor number.
467 * \param start start of output data. 208 * \param root DRI proc dir entry.
468 * \param offset requested start offset. 209 * \param dev_root DRI device proc dir entry.
469 * \param request requested number of bytes. 210 * \return always zero.
470 * \param eof whether there is no more data to return.
471 * \param data private data.
472 * \return number of written bytes.
473 */
474static int drm__vblank_info(char *buf, char **start, off_t offset, int request,
475 int *eof, void *data)
476{
477 struct drm_minor *minor = (struct drm_minor *) data;
478 struct drm_device *dev = minor->dev;
479 int len = 0;
480 int crtc;
481
482 if (offset > DRM_PROC_LIMIT) {
483 *eof = 1;
484 return 0;
485 }
486
487 *start = &buf[offset];
488 *eof = 0;
489
490 for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
491 DRM_PROC_PRINT("CRTC %d enable: %d\n",
492 crtc, atomic_read(&dev->vblank_refcount[crtc]));
493 DRM_PROC_PRINT("CRTC %d counter: %d\n",
494 crtc, drm_vblank_count(dev, crtc));
495 DRM_PROC_PRINT("CRTC %d last wait: %d\n",
496 crtc, dev->last_vblank_wait[crtc]);
497 DRM_PROC_PRINT("CRTC %d in modeset: %d\n",
498 crtc, dev->vblank_inmodeset[crtc]);
499 }
500
501 if (len > request + offset)
502 return request;
503 *eof = 1;
504 return len - offset;
505}
506
507/**
508 * Simply calls _vblank_info() while holding the drm_device::struct_mutex lock.
509 */
510static int drm_vblank_info(char *buf, char **start, off_t offset, int request,
511 int *eof, void *data)
512{
513 struct drm_minor *minor = (struct drm_minor *) data;
514 struct drm_device *dev = minor->dev;
515 int ret;
516
517 mutex_lock(&dev->struct_mutex);
518 ret = drm__vblank_info(buf, start, offset, request, eof, data);
519 mutex_unlock(&dev->struct_mutex);
520 return ret;
521}
522
523/**
524 * Called when "/proc/dri/.../clients" is read.
525 * 211 *
526 * \param buf output buffer. 212 * Remove all proc entries created by proc_init().
527 * \param start start of output data.
528 * \param offset requested start offset.
529 * \param request requested number of bytes.
530 * \param eof whether there is no more data to return.
531 * \param data private data.
532 * \return number of written bytes.
533 */ 213 */
534static int drm__clients_info(char *buf, char **start, off_t offset, 214int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
535 int request, int *eof, void *data)
536{ 215{
537 struct drm_minor *minor = (struct drm_minor *) data;
538 struct drm_device *dev = minor->dev; 216 struct drm_device *dev = minor->dev;
539 int len = 0; 217 char name[64];
540 struct drm_file *priv;
541 218
542 if (offset > DRM_PROC_LIMIT) { 219 if (!root || !minor->proc_root)
543 *eof = 1;
544 return 0; 220 return 0;
545 }
546
547 *start = &buf[offset];
548 *eof = 0;
549
550 DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n");
551 list_for_each_entry(priv, &dev->filelist, lhead) {
552 DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n",
553 priv->authenticated ? 'y' : 'n',
554 priv->minor->index,
555 priv->pid,
556 priv->uid, priv->magic, priv->ioctl_count);
557 }
558 221
559 if (len > request + offset) 222 if (dev->driver->proc_cleanup)
560 return request; 223 dev->driver->proc_cleanup(minor);
561 *eof = 1;
562 return len - offset;
563}
564
565/**
566 * Simply calls _clients_info() while holding the drm_device::struct_mutex lock.
567 */
568static int drm_clients_info(char *buf, char **start, off_t offset,
569 int request, int *eof, void *data)
570{
571 struct drm_minor *minor = (struct drm_minor *) data;
572 struct drm_device *dev = minor->dev;
573 int ret;
574
575 mutex_lock(&dev->struct_mutex);
576 ret = drm__clients_info(buf, start, offset, request, eof, data);
577 mutex_unlock(&dev->struct_mutex);
578 return ret;
579}
580
581struct drm_gem_name_info_data {
582 int len;
583 char *buf;
584 int eof;
585};
586 224
587static int drm_gem_one_name_info(int id, void *ptr, void *data) 225 drm_proc_remove_files(drm_proc_list, DRM_PROC_ENTRIES, minor);
588{
589 struct drm_gem_object *obj = ptr;
590 struct drm_gem_name_info_data *nid = data;
591 226
592 DRM_INFO("name %d size %zd\n", obj->name, obj->size); 227 sprintf(name, "%d", minor->index);
593 if (nid->eof) 228 remove_proc_entry(name, root);
594 return 0;
595 229
596 nid->len += sprintf(&nid->buf[nid->len],
597 "%6d %8zd %7d %8d\n",
598 obj->name, obj->size,
599 atomic_read(&obj->handlecount.refcount),
600 atomic_read(&obj->refcount.refcount));
601 if (nid->len > DRM_PROC_LIMIT) {
602 nid->eof = 1;
603 return 0;
604 }
605 return 0; 230 return 0;
606} 231}
607 232
608static int drm_gem_name_info(char *buf, char **start, off_t offset,
609 int request, int *eof, void *data)
610{
611 struct drm_minor *minor = (struct drm_minor *) data;
612 struct drm_device *dev = minor->dev;
613 struct drm_gem_name_info_data nid;
614
615 if (offset > DRM_PROC_LIMIT) {
616 *eof = 1;
617 return 0;
618 }
619
620 nid.len = sprintf(buf, " name size handles refcount\n");
621 nid.buf = buf;
622 nid.eof = 0;
623 idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid);
624
625 *start = &buf[offset];
626 *eof = 0;
627 if (nid.len > request + offset)
628 return request;
629 *eof = 1;
630 return nid.len - offset;
631}
632
633static int drm_gem_object_info(char *buf, char **start, off_t offset,
634 int request, int *eof, void *data)
635{
636 struct drm_minor *minor = (struct drm_minor *) data;
637 struct drm_device *dev = minor->dev;
638 int len = 0;
639
640 if (offset > DRM_PROC_LIMIT) {
641 *eof = 1;
642 return 0;
643 }
644
645 *start = &buf[offset];
646 *eof = 0;
647 DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count));
648 DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory));
649 DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count));
650 DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory));
651 DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory));
652 DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total);
653 if (len > request + offset)
654 return request;
655 *eof = 1;
656 return len - offset;
657}
658
659#if DRM_DEBUG_CODE
660
661static int drm__vma_info(char *buf, char **start, off_t offset, int request,
662 int *eof, void *data)
663{
664 struct drm_minor *minor = (struct drm_minor *) data;
665 struct drm_device *dev = minor->dev;
666 int len = 0;
667 struct drm_vma_entry *pt;
668 struct vm_area_struct *vma;
669#if defined(__i386__)
670 unsigned int pgprot;
671#endif
672
673 if (offset > DRM_PROC_LIMIT) {
674 *eof = 1;
675 return 0;
676 }
677
678 *start = &buf[offset];
679 *eof = 0;
680
681 DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
682 atomic_read(&dev->vma_count),
683 high_memory, virt_to_phys(high_memory));
684 list_for_each_entry(pt, &dev->vmalist, head) {
685 if (!(vma = pt->vma))
686 continue;
687 DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
688 pt->pid,
689 vma->vm_start,
690 vma->vm_end,
691 vma->vm_flags & VM_READ ? 'r' : '-',
692 vma->vm_flags & VM_WRITE ? 'w' : '-',
693 vma->vm_flags & VM_EXEC ? 'x' : '-',
694 vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
695 vma->vm_flags & VM_LOCKED ? 'l' : '-',
696 vma->vm_flags & VM_IO ? 'i' : '-',
697 vma->vm_pgoff);
698
699#if defined(__i386__)
700 pgprot = pgprot_val(vma->vm_page_prot);
701 DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c",
702 pgprot & _PAGE_PRESENT ? 'p' : '-',
703 pgprot & _PAGE_RW ? 'w' : 'r',
704 pgprot & _PAGE_USER ? 'u' : 's',
705 pgprot & _PAGE_PWT ? 't' : 'b',
706 pgprot & _PAGE_PCD ? 'u' : 'c',
707 pgprot & _PAGE_ACCESSED ? 'a' : '-',
708 pgprot & _PAGE_DIRTY ? 'd' : '-',
709 pgprot & _PAGE_PSE ? 'm' : 'k',
710 pgprot & _PAGE_GLOBAL ? 'g' : 'l');
711#endif
712 DRM_PROC_PRINT("\n");
713 }
714
715 if (len > request + offset)
716 return request;
717 *eof = 1;
718 return len - offset;
719}
720
721static int drm_vma_info(char *buf, char **start, off_t offset, int request,
722 int *eof, void *data)
723{
724 struct drm_minor *minor = (struct drm_minor *) data;
725 struct drm_device *dev = minor->dev;
726 int ret;
727
728 mutex_lock(&dev->struct_mutex);
729 ret = drm__vma_info(buf, start, offset, request, eof, data);
730 mutex_unlock(&dev->struct_mutex);
731 return ret;
732}
733#endif
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 7c8b15b22bf2..48f33be8fd0f 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -50,6 +50,7 @@ struct idr drm_minors_idr;
50 50
51struct class *drm_class; 51struct class *drm_class;
52struct proc_dir_entry *drm_proc_root; 52struct proc_dir_entry *drm_proc_root;
53struct dentry *drm_debugfs_root;
53 54
54static int drm_minor_get_id(struct drm_device *dev, int type) 55static int drm_minor_get_id(struct drm_device *dev, int type)
55{ 56{
@@ -313,7 +314,15 @@ static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int t
313 goto err_mem; 314 goto err_mem;
314 } 315 }
315 } else 316 } else
316 new_minor->dev_root = NULL; 317 new_minor->proc_root = NULL;
318
319#if defined(CONFIG_DEBUG_FS)
320 ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root);
321 if (ret) {
322 DRM_ERROR("DRM: Failed to initialize /debugfs/dri.\n");
323 goto err_g2;
324 }
325#endif
317 326
318 ret = drm_sysfs_device_add(new_minor); 327 ret = drm_sysfs_device_add(new_minor);
319 if (ret) { 328 if (ret) {
@@ -451,6 +460,10 @@ int drm_put_minor(struct drm_minor **minor_p)
451 460
452 if (minor->type == DRM_MINOR_LEGACY) 461 if (minor->type == DRM_MINOR_LEGACY)
453 drm_proc_cleanup(minor, drm_proc_root); 462 drm_proc_cleanup(minor, drm_proc_root);
463#if defined(CONFIG_DEBUG_FS)
464 drm_debugfs_cleanup(minor);
465#endif
466
454 drm_sysfs_device_remove(minor); 467 drm_sysfs_device_remove(minor);
455 468
456 idr_remove(&drm_minors_idr, minor->index); 469 idr_remove(&drm_minors_idr, minor->index);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index e5f4ae989abf..c19a93c3be85 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -758,6 +758,8 @@ struct drm_driver {
758 758
759 int (*proc_init)(struct drm_minor *minor); 759 int (*proc_init)(struct drm_minor *minor);
760 void (*proc_cleanup)(struct drm_minor *minor); 760 void (*proc_cleanup)(struct drm_minor *minor);
761 int (*debugfs_init)(struct drm_minor *minor);
762 void (*debugfs_cleanup)(struct drm_minor *minor);
761 763
762 /** 764 /**
763 * Driver-specific constructor for drm_gem_objects, to set up 765 * Driver-specific constructor for drm_gem_objects, to set up
@@ -793,6 +795,48 @@ struct drm_driver {
793#define DRM_MINOR_CONTROL 2 795#define DRM_MINOR_CONTROL 2
794#define DRM_MINOR_RENDER 3 796#define DRM_MINOR_RENDER 3
795 797
798
799/**
800 * debugfs node list. This structure represents a debugfs file to
801 * be created by the drm core
802 */
803struct drm_debugfs_list {
804 const char *name; /** file name */
805 int (*show)(struct seq_file*, void*); /** show callback */
806 u32 driver_features; /**< Required driver features for this entry */
807};
808
809/**
810 * debugfs node structure. This structure represents a debugfs file.
811 */
812struct drm_debugfs_node {
813 struct list_head list;
814 struct drm_minor *minor;
815 struct drm_debugfs_list *debugfs_ent;
816 struct dentry *dent;
817};
818
819/**
820 * Info file list entry. This structure represents a debugfs or proc file to
821 * be created by the drm core
822 */
823struct drm_info_list {
824 const char *name; /** file name */
825 int (*show)(struct seq_file*, void*); /** show callback */
826 u32 driver_features; /**< Required driver features for this entry */
827 void *data;
828};
829
830/**
831 * debugfs node structure. This structure represents a debugfs file.
832 */
833struct drm_info_node {
834 struct list_head list;
835 struct drm_minor *minor;
836 struct drm_info_list *info_ent;
837 struct dentry *dent;
838};
839
796/** 840/**
797 * DRM minor structure. This structure represents a drm minor number. 841 * DRM minor structure. This structure represents a drm minor number.
798 */ 842 */
@@ -802,7 +846,12 @@ struct drm_minor {
802 dev_t device; /**< Device number for mknod */ 846 dev_t device; /**< Device number for mknod */
803 struct device kdev; /**< Linux device */ 847 struct device kdev; /**< Linux device */
804 struct drm_device *dev; 848 struct drm_device *dev;
805 struct proc_dir_entry *dev_root; /**< proc directory entry */ 849
850 struct proc_dir_entry *proc_root; /**< proc directory entry */
851 struct drm_info_node proc_nodes;
852 struct dentry *debugfs_root;
853 struct drm_info_node debugfs_nodes;
854
806 struct drm_master *master; /* currently active master for this node */ 855 struct drm_master *master; /* currently active master for this node */
807 struct list_head master_list; 856 struct list_head master_list;
808 struct drm_mode_group mode_group; 857 struct drm_mode_group mode_group;
@@ -1258,6 +1307,7 @@ extern unsigned int drm_debug;
1258 1307
1259extern struct class *drm_class; 1308extern struct class *drm_class;
1260extern struct proc_dir_entry *drm_proc_root; 1309extern struct proc_dir_entry *drm_proc_root;
1310extern struct dentry *drm_debugfs_root;
1261 1311
1262extern struct idr drm_minors_idr; 1312extern struct idr drm_minors_idr;
1263 1313
@@ -1268,6 +1318,31 @@ extern int drm_proc_init(struct drm_minor *minor, int minor_id,
1268 struct proc_dir_entry *root); 1318 struct proc_dir_entry *root);
1269extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); 1319extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root);
1270 1320
1321 /* Debugfs support */
1322#if defined(CONFIG_DEBUG_FS)
1323extern int drm_debugfs_init(struct drm_minor *minor, int minor_id,
1324 struct dentry *root);
1325extern int drm_debugfs_create_files(struct drm_info_list *files, int count,
1326 struct dentry *root, struct drm_minor *minor);
1327extern int drm_debugfs_remove_files(struct drm_info_list *files, int count,
1328 struct drm_minor *minor);
1329extern int drm_debugfs_cleanup(struct drm_minor *minor);
1330#endif
1331
1332 /* Info file support */
1333extern int drm_name_info(struct seq_file *m, void *data);
1334extern int drm_vm_info(struct seq_file *m, void *data);
1335extern int drm_queues_info(struct seq_file *m, void *data);
1336extern int drm_bufs_info(struct seq_file *m, void *data);
1337extern int drm_vblank_info(struct seq_file *m, void *data);
1338extern int drm_clients_info(struct seq_file *m, void* data);
1339extern int drm_gem_name_info(struct seq_file *m, void *data);
1340extern int drm_gem_object_info(struct seq_file *m, void* data);
1341
1342#if DRM_DEBUG_CODE
1343extern int drm_vma_info(struct seq_file *m, void *data);
1344#endif
1345
1271 /* Scatter Gather Support (drm_scatter.h) */ 1346 /* Scatter Gather Support (drm_scatter.h) */
1272extern void drm_sg_cleanup(struct drm_sg_mem * entry); 1347extern void drm_sg_cleanup(struct drm_sg_mem * entry);
1273extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1348extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-30 14:39:08 -0400