3 * DRM info file implementations
11 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
12 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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36 #include <linux/seq_file.h>
40 * Called when "/proc/dri/.../name" is read.
42 * Prints the device name together with the bus id if available.
44 int drm_name_info(struct seq_file *m, void *data)
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;
54 seq_printf(m, "%s %s %s\n",
56 dev_name(dev->dev), master->unique);
58 seq_printf(m, "%s %s\n",
59 dev->driver->name, dev_name(dev->dev));
65 * Called when "/proc/dri/.../vm" is read.
67 * Prints information about all mappings in drm_device::maplist.
69 int drm_vm_info(struct seq_file *m, void *data)
71 struct drm_info_node *node = (struct drm_info_node *) m->private;
72 struct drm_device *dev = node->minor->dev;
73 struct drm_local_map *map;
74 struct drm_map_list *r_list;
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" };
83 mutex_lock(&dev->struct_mutex);
84 seq_printf(m, "slot offset size type flags address mtrr\n\n");
86 list_for_each_entry(r_list, &dev->maplist, head) {
90 if (map->type < 0 || map->type > 5)
93 type = types[map->type];
95 seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ",
97 (unsigned long long)map->offset,
98 map->size, type, map->flags,
99 (unsigned long) r_list->user_token);
101 seq_printf(m, "none\n");
103 seq_printf(m, "%4d\n", map->mtrr);
106 mutex_unlock(&dev->struct_mutex);
111 * Called when "/proc/dri/.../bufs" is read.
113 int drm_bufs_info(struct seq_file *m, void *data)
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;
120 mutex_lock(&dev->struct_mutex);
123 mutex_unlock(&dev->struct_mutex);
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",
133 dma->bufs[i].buf_size,
134 dma->bufs[i].buf_count,
136 dma->bufs[i].seg_count,
138 seg_pages * PAGE_SIZE / 1024);
142 for (i = 0; i < dma->buf_count; i++) {
145 seq_printf(m, " %d", dma->buflist[i]->list);
148 mutex_unlock(&dev->struct_mutex);
153 * Called when "/proc/dri/.../vblank" is read.
155 int drm_vblank_info(struct seq_file *m, void *data)
157 struct drm_info_node *node = (struct drm_info_node *) m->private;
158 struct drm_device *dev = node->minor->dev;
161 mutex_lock(&dev->struct_mutex);
162 for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
163 seq_printf(m, "CRTC %d enable: %d\n",
164 crtc, atomic_read(&dev->vblank[crtc].refcount));
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",
168 crtc, dev->vblank[crtc].last_wait);
169 seq_printf(m, "CRTC %d in modeset: %d\n",
170 crtc, dev->vblank[crtc].inmodeset);
172 mutex_unlock(&dev->struct_mutex);
177 * Called when "/proc/dri/.../clients" is read.
180 int drm_clients_info(struct seq_file *m, void *data)
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;
186 mutex_lock(&dev->struct_mutex);
187 seq_printf(m, "a dev pid uid magic\n\n");
188 list_for_each_entry(priv, &dev->filelist, lhead) {
189 seq_printf(m, "%c %3d %5d %5d %10u\n",
190 priv->authenticated ? 'y' : 'n',
193 from_kuid_munged(seq_user_ns(m), priv->uid),
196 mutex_unlock(&dev->struct_mutex);
201 static int drm_gem_one_name_info(int id, void *ptr, void *data)
203 struct drm_gem_object *obj = ptr;
204 struct seq_file *m = data;
206 seq_printf(m, "%6d %8zd %7d %8d\n",
207 obj->name, obj->size,
209 atomic_read(&obj->refcount.refcount));
213 int drm_gem_name_info(struct seq_file *m, void *data)
215 struct drm_info_node *node = (struct drm_info_node *) m->private;
216 struct drm_device *dev = node->minor->dev;
218 seq_printf(m, " name size handles refcount\n");
220 mutex_lock(&dev->object_name_lock);
221 idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
222 mutex_unlock(&dev->object_name_lock);