Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...
[linux-2.6-block.git] / drivers / gpu / drm / i915 / i915_gem_proc.c
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1/*
2 * Copyright © 2008 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 * Keith Packard <keithp@keithp.com>
26 *
27 */
28
29#include "drmP.h"
30#include "drm.h"
31#include "i915_drm.h"
32#include "i915_drv.h"
33
34static int i915_gem_active_info(char *buf, char **start, off_t offset,
35 int request, int *eof, void *data)
36{
37 struct drm_minor *minor = (struct drm_minor *) data;
38 struct drm_device *dev = minor->dev;
39 drm_i915_private_t *dev_priv = dev->dev_private;
40 struct drm_i915_gem_object *obj_priv;
41 int len = 0;
42
43 if (offset > DRM_PROC_LIMIT) {
44 *eof = 1;
45 return 0;
46 }
47
48 *start = &buf[offset];
49 *eof = 0;
50 DRM_PROC_PRINT("Active:\n");
51 list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
52 list)
53 {
54 struct drm_gem_object *obj = obj_priv->obj;
55 if (obj->name) {
56 DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
57 obj, obj->name,
58 obj->read_domains, obj->write_domain,
59 obj_priv->last_rendering_seqno);
60 } else {
61 DRM_PROC_PRINT(" %p: %08x %08x %d\n",
62 obj,
63 obj->read_domains, obj->write_domain,
64 obj_priv->last_rendering_seqno);
65 }
66 }
67 if (len > request + offset)
68 return request;
69 *eof = 1;
70 return len - offset;
71}
72
73static int i915_gem_flushing_info(char *buf, char **start, off_t offset,
74 int request, int *eof, void *data)
75{
76 struct drm_minor *minor = (struct drm_minor *) data;
77 struct drm_device *dev = minor->dev;
78 drm_i915_private_t *dev_priv = dev->dev_private;
79 struct drm_i915_gem_object *obj_priv;
80 int len = 0;
81
82 if (offset > DRM_PROC_LIMIT) {
83 *eof = 1;
84 return 0;
85 }
86
87 *start = &buf[offset];
88 *eof = 0;
89 DRM_PROC_PRINT("Flushing:\n");
90 list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
91 list)
92 {
93 struct drm_gem_object *obj = obj_priv->obj;
94 if (obj->name) {
95 DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
96 obj, obj->name,
97 obj->read_domains, obj->write_domain,
98 obj_priv->last_rendering_seqno);
99 } else {
100 DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
101 obj->read_domains, obj->write_domain,
102 obj_priv->last_rendering_seqno);
103 }
104 }
105 if (len > request + offset)
106 return request;
107 *eof = 1;
108 return len - offset;
109}
110
111static int i915_gem_inactive_info(char *buf, char **start, off_t offset,
112 int request, int *eof, void *data)
113{
114 struct drm_minor *minor = (struct drm_minor *) data;
115 struct drm_device *dev = minor->dev;
116 drm_i915_private_t *dev_priv = dev->dev_private;
117 struct drm_i915_gem_object *obj_priv;
118 int len = 0;
119
120 if (offset > DRM_PROC_LIMIT) {
121 *eof = 1;
122 return 0;
123 }
124
125 *start = &buf[offset];
126 *eof = 0;
127 DRM_PROC_PRINT("Inactive:\n");
128 list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
129 list)
130 {
131 struct drm_gem_object *obj = obj_priv->obj;
132 if (obj->name) {
133 DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
134 obj, obj->name,
135 obj->read_domains, obj->write_domain,
136 obj_priv->last_rendering_seqno);
137 } else {
138 DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
139 obj->read_domains, obj->write_domain,
140 obj_priv->last_rendering_seqno);
141 }
142 }
143 if (len > request + offset)
144 return request;
145 *eof = 1;
146 return len - offset;
147}
148
149static int i915_gem_request_info(char *buf, char **start, off_t offset,
150 int request, int *eof, void *data)
151{
152 struct drm_minor *minor = (struct drm_minor *) data;
153 struct drm_device *dev = minor->dev;
154 drm_i915_private_t *dev_priv = dev->dev_private;
155 struct drm_i915_gem_request *gem_request;
156 int len = 0;
157
158 if (offset > DRM_PROC_LIMIT) {
159 *eof = 1;
160 return 0;
161 }
162
163 *start = &buf[offset];
164 *eof = 0;
165 DRM_PROC_PRINT("Request:\n");
166 list_for_each_entry(gem_request, &dev_priv->mm.request_list,
167 list)
168 {
169 DRM_PROC_PRINT(" %d @ %d %08x\n",
170 gem_request->seqno,
171 (int) (jiffies - gem_request->emitted_jiffies),
172 gem_request->flush_domains);
173 }
174 if (len > request + offset)
175 return request;
176 *eof = 1;
177 return len - offset;
178}
179
180static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
181 int request, int *eof, void *data)
182{
183 struct drm_minor *minor = (struct drm_minor *) data;
184 struct drm_device *dev = minor->dev;
185 drm_i915_private_t *dev_priv = dev->dev_private;
186 int len = 0;
187
188 if (offset > DRM_PROC_LIMIT) {
189 *eof = 1;
190 return 0;
191 }
192
193 *start = &buf[offset];
194 *eof = 0;
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195 if (dev_priv->hw_status_page != NULL) {
196 DRM_PROC_PRINT("Current sequence: %d\n",
197 i915_get_gem_seqno(dev));
198 } else {
199 DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
200 }
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201 DRM_PROC_PRINT("Waiter sequence: %d\n",
202 dev_priv->mm.waiting_gem_seqno);
203 DRM_PROC_PRINT("IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
204 if (len > request + offset)
205 return request;
206 *eof = 1;
207 return len - offset;
208}
209
210
211static int i915_interrupt_info(char *buf, char **start, off_t offset,
212 int request, int *eof, void *data)
213{
214 struct drm_minor *minor = (struct drm_minor *) data;
215 struct drm_device *dev = minor->dev;
216 drm_i915_private_t *dev_priv = dev->dev_private;
217 int len = 0;
218
219 if (offset > DRM_PROC_LIMIT) {
220 *eof = 1;
221 return 0;
222 }
223
224 *start = &buf[offset];
225 *eof = 0;
226 DRM_PROC_PRINT("Interrupt enable: %08x\n",
227 I915_READ(IER));
228 DRM_PROC_PRINT("Interrupt identity: %08x\n",
229 I915_READ(IIR));
230 DRM_PROC_PRINT("Interrupt mask: %08x\n",
231 I915_READ(IMR));
232 DRM_PROC_PRINT("Pipe A stat: %08x\n",
233 I915_READ(PIPEASTAT));
234 DRM_PROC_PRINT("Pipe B stat: %08x\n",
235 I915_READ(PIPEBSTAT));
236 DRM_PROC_PRINT("Interrupts received: %d\n",
237 atomic_read(&dev_priv->irq_received));
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238 if (dev_priv->hw_status_page != NULL) {
239 DRM_PROC_PRINT("Current sequence: %d\n",
240 i915_get_gem_seqno(dev));
241 } else {
242 DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
243 }
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244 DRM_PROC_PRINT("Waiter sequence: %d\n",
245 dev_priv->mm.waiting_gem_seqno);
246 DRM_PROC_PRINT("IRQ sequence: %d\n",
247 dev_priv->mm.irq_gem_seqno);
248 if (len > request + offset)
249 return request;
250 *eof = 1;
251 return len - offset;
252}
253
254static struct drm_proc_list {
255 /** file name */
256 const char *name;
257 /** proc callback*/
258 int (*f) (char *, char **, off_t, int, int *, void *);
259} i915_gem_proc_list[] = {
260 {"i915_gem_active", i915_gem_active_info},
261 {"i915_gem_flushing", i915_gem_flushing_info},
262 {"i915_gem_inactive", i915_gem_inactive_info},
263 {"i915_gem_request", i915_gem_request_info},
264 {"i915_gem_seqno", i915_gem_seqno_info},
265 {"i915_gem_interrupt", i915_interrupt_info},
266};
267
268#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)
269
270int i915_gem_proc_init(struct drm_minor *minor)
271{
272 struct proc_dir_entry *ent;
273 int i, j;
274
275 for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
276 ent = create_proc_entry(i915_gem_proc_list[i].name,
277 S_IFREG | S_IRUGO, minor->dev_root);
278 if (!ent) {
279 DRM_ERROR("Cannot create /proc/dri/.../%s\n",
280 i915_gem_proc_list[i].name);
281 for (j = 0; j < i; j++)
282 remove_proc_entry(i915_gem_proc_list[i].name,
283 minor->dev_root);
284 return -1;
285 }
286 ent->read_proc = i915_gem_proc_list[i].f;
287 ent->data = minor;
288 }
289 return 0;
290}
291
292void i915_gem_proc_cleanup(struct drm_minor *minor)
293{
294 int i;
295
296 if (!minor->dev_root)
297 return;
298
299 for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
300 remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
301}