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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 | ||
34 | static 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 | ||
73 | static 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 | ||
111 | static 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 | ||
149 | static 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 | ||
180 | static 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; | |
a2d44cca EA |
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 | } | |
673a394b EA |
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 | ||
211 | static 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)); | |
a2d44cca EA |
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 | } | |
673a394b EA |
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 | ||
254 | static 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 | ||
270 | int 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 | ||
292 | void 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 | } |