3 * DRM info file implementations
5 * \author Ben Gamari <bgamari@gmail.com>
9 * Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com
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.
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:
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
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.
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 bus_name
= dev
->driver
->bus
->get_name(dev
);
56 seq_printf(m
, "%s %s %s\n",
58 dev_name(dev
->dev
), master
->unique
);
60 seq_printf(m
, "%s %s\n",
61 bus_name
, dev_name(dev
->dev
));
67 * Called when "/proc/dri/.../vm" is read.
69 * Prints information about all mappings in drm_device::maplist.
71 int drm_vm_info(struct seq_file
*m
, void *data
)
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
;
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" };
85 mutex_lock(&dev
->struct_mutex
);
86 seq_printf(m
, "slot offset size type flags address mtrr\n\n");
88 list_for_each_entry(r_list
, &dev
->maplist
, head
) {
92 if (map
->type
< 0 || map
->type
> 5)
95 type
= types
[map
->type
];
97 seq_printf(m
, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ",
99 (unsigned long long)map
->offset
,
100 map
->size
, type
, map
->flags
,
101 (unsigned long) r_list
->user_token
);
103 seq_printf(m
, "none\n");
105 seq_printf(m
, "%4d\n", map
->mtrr
);
108 mutex_unlock(&dev
->struct_mutex
);
113 * Called when "/proc/dri/.../bufs" is read.
115 int drm_bufs_info(struct seq_file
*m
, void *data
)
117 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
118 struct drm_device
*dev
= node
->minor
->dev
;
119 struct drm_device_dma
*dma
;
122 mutex_lock(&dev
->struct_mutex
);
125 mutex_unlock(&dev
->struct_mutex
);
129 seq_printf(m
, " o size count free segs pages kB\n\n");
130 for (i
= 0; i
<= DRM_MAX_ORDER
; i
++) {
131 if (dma
->bufs
[i
].buf_count
) {
132 seg_pages
= dma
->bufs
[i
].seg_count
* (1 << dma
->bufs
[i
].page_order
);
133 seq_printf(m
, "%2d %8d %5d %5d %5d %5d %5ld\n",
135 dma
->bufs
[i
].buf_size
,
136 dma
->bufs
[i
].buf_count
,
137 atomic_read(&dma
->bufs
[i
].freelist
.count
),
138 dma
->bufs
[i
].seg_count
,
140 seg_pages
* PAGE_SIZE
/ 1024);
144 for (i
= 0; i
< dma
->buf_count
; i
++) {
147 seq_printf(m
, " %d", dma
->buflist
[i
]->list
);
150 mutex_unlock(&dev
->struct_mutex
);
155 * Called when "/proc/dri/.../vblank" is read.
157 int drm_vblank_info(struct seq_file
*m
, void *data
)
159 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
160 struct drm_device
*dev
= node
->minor
->dev
;
163 mutex_lock(&dev
->struct_mutex
);
164 for (crtc
= 0; crtc
< dev
->num_crtcs
; crtc
++) {
165 seq_printf(m
, "CRTC %d enable: %d\n",
166 crtc
, atomic_read(&dev
->vblank_refcount
[crtc
]));
167 seq_printf(m
, "CRTC %d counter: %d\n",
168 crtc
, drm_vblank_count(dev
, crtc
));
169 seq_printf(m
, "CRTC %d last wait: %d\n",
170 crtc
, dev
->last_vblank_wait
[crtc
]);
171 seq_printf(m
, "CRTC %d in modeset: %d\n",
172 crtc
, dev
->vblank_inmodeset
[crtc
]);
174 mutex_unlock(&dev
->struct_mutex
);
179 * Called when "/proc/dri/.../clients" is read.
182 int drm_clients_info(struct seq_file
*m
, void *data
)
184 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
185 struct drm_device
*dev
= node
->minor
->dev
;
186 struct drm_file
*priv
;
188 mutex_lock(&dev
->struct_mutex
);
189 seq_printf(m
, "a dev pid uid magic ioctls\n\n");
190 list_for_each_entry(priv
, &dev
->filelist
, lhead
) {
191 seq_printf(m
, "%c %3d %5d %5d %10u %10lu\n",
192 priv
->authenticated
? 'y' : 'n',
195 from_kuid_munged(seq_user_ns(m
), priv
->uid
),
196 priv
->magic
, priv
->ioctl_count
);
198 mutex_unlock(&dev
->struct_mutex
);
203 static int drm_gem_one_name_info(int id
, void *ptr
, void *data
)
205 struct drm_gem_object
*obj
= ptr
;
206 struct seq_file
*m
= data
;
208 seq_printf(m
, "%6d %8zd %7d %8d\n",
209 obj
->name
, obj
->size
,
211 atomic_read(&obj
->refcount
.refcount
));
215 int drm_gem_name_info(struct seq_file
*m
, void *data
)
217 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
218 struct drm_device
*dev
= node
->minor
->dev
;
220 seq_printf(m
, " name size handles refcount\n");
222 mutex_lock(&dev
->object_name_lock
);
223 idr_for_each(&dev
->object_name_idr
, drm_gem_one_name_info
, m
);
224 mutex_unlock(&dev
->object_name_lock
);
231 int drm_vma_info(struct seq_file
*m
, void *data
)
233 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
234 struct drm_device
*dev
= node
->minor
->dev
;
235 struct drm_vma_entry
*pt
;
236 struct vm_area_struct
*vma
;
237 #if defined(__i386__)
241 mutex_lock(&dev
->struct_mutex
);
242 seq_printf(m
, "vma use count: %d, high_memory = %pK, 0x%pK\n",
243 atomic_read(&dev
->vma_count
),
244 high_memory
, (void *)(unsigned long)virt_to_phys(high_memory
));
246 list_for_each_entry(pt
, &dev
->vmalist
, head
) {
251 "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
253 (void *)vma
->vm_start
, (void *)vma
->vm_end
,
254 vma
->vm_flags
& VM_READ
? 'r' : '-',
255 vma
->vm_flags
& VM_WRITE
? 'w' : '-',
256 vma
->vm_flags
& VM_EXEC
? 'x' : '-',
257 vma
->vm_flags
& VM_MAYSHARE
? 's' : 'p',
258 vma
->vm_flags
& VM_LOCKED
? 'l' : '-',
259 vma
->vm_flags
& VM_IO
? 'i' : '-',
262 #if defined(__i386__)
263 pgprot
= pgprot_val(vma
->vm_page_prot
);
264 seq_printf(m
, " %c%c%c%c%c%c%c%c%c",
265 pgprot
& _PAGE_PRESENT
? 'p' : '-',
266 pgprot
& _PAGE_RW
? 'w' : 'r',
267 pgprot
& _PAGE_USER
? 'u' : 's',
268 pgprot
& _PAGE_PWT
? 't' : 'b',
269 pgprot
& _PAGE_PCD
? 'u' : 'c',
270 pgprot
& _PAGE_ACCESSED
? 'a' : '-',
271 pgprot
& _PAGE_DIRTY
? 'd' : '-',
272 pgprot
& _PAGE_PSE
? 'm' : 'k',
273 pgprot
& _PAGE_GLOBAL
? 'g' : 'l');
277 mutex_unlock(&dev
->struct_mutex
);