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6ee73861 BS |
1 | /* |
2 | * Copyright (C) 2008 Ben Skeggs. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining | |
6 | * a copy of this software and associated documentation files (the | |
7 | * "Software"), to deal in the Software without restriction, including | |
8 | * without limitation the rights to use, copy, modify, merge, publish, | |
9 | * distribute, sublicense, and/or sell copies of the Software, and to | |
10 | * permit persons to whom the Software is furnished to do so, subject to | |
11 | * the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice (including the | |
14 | * next paragraph) shall be included in all copies or substantial | |
15 | * portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | */ | |
26 | #include "drmP.h" | |
27 | #include "drm.h" | |
28 | ||
29 | #include "nouveau_drv.h" | |
30 | #include "nouveau_drm.h" | |
31 | #include "nouveau_dma.h" | |
32 | ||
33 | #define nouveau_gem_pushbuf_sync(chan) 0 | |
34 | ||
35 | int | |
36 | nouveau_gem_object_new(struct drm_gem_object *gem) | |
37 | { | |
38 | return 0; | |
39 | } | |
40 | ||
41 | void | |
42 | nouveau_gem_object_del(struct drm_gem_object *gem) | |
43 | { | |
44 | struct nouveau_bo *nvbo = gem->driver_private; | |
45 | struct ttm_buffer_object *bo = &nvbo->bo; | |
46 | ||
47 | if (!nvbo) | |
48 | return; | |
49 | nvbo->gem = NULL; | |
50 | ||
6ee73861 BS |
51 | if (unlikely(nvbo->pin_refcnt)) { |
52 | nvbo->pin_refcnt = 1; | |
53 | nouveau_bo_unpin(nvbo); | |
54 | } | |
55 | ||
56 | ttm_bo_unref(&bo); | |
fd632aa3 DV |
57 | |
58 | drm_gem_object_release(gem); | |
59 | kfree(gem); | |
6ee73861 BS |
60 | } |
61 | ||
639212d0 BS |
62 | int |
63 | nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) | |
64 | { | |
65 | struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); | |
2fd3db6f BS |
66 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
67 | struct nouveau_vma *vma; | |
68 | int ret; | |
639212d0 BS |
69 | |
70 | if (!fpriv->vm) | |
71 | return 0; | |
72 | ||
2fd3db6f BS |
73 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); |
74 | if (ret) | |
75 | return ret; | |
76 | ||
77 | vma = nouveau_bo_vma_find(nvbo, fpriv->vm); | |
78 | if (!vma) { | |
79 | vma = kzalloc(sizeof(*vma), GFP_KERNEL); | |
80 | if (!vma) { | |
81 | ret = -ENOMEM; | |
82 | goto out; | |
83 | } | |
84 | ||
85 | ret = nouveau_bo_vma_add(nvbo, fpriv->vm, vma); | |
86 | if (ret) { | |
87 | kfree(vma); | |
88 | goto out; | |
89 | } | |
90 | } else { | |
91 | vma->refcount++; | |
92 | } | |
93 | ||
94 | out: | |
95 | ttm_bo_unreserve(&nvbo->bo); | |
96 | return ret; | |
639212d0 BS |
97 | } |
98 | ||
99 | void | |
100 | nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) | |
101 | { | |
102 | struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); | |
2fd3db6f BS |
103 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
104 | struct nouveau_vma *vma; | |
105 | int ret; | |
639212d0 BS |
106 | |
107 | if (!fpriv->vm) | |
108 | return; | |
2fd3db6f BS |
109 | |
110 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); | |
111 | if (ret) | |
112 | return; | |
113 | ||
114 | vma = nouveau_bo_vma_find(nvbo, fpriv->vm); | |
115 | if (vma) { | |
8fe198b2 | 116 | if (--vma->refcount == 0) { |
2fd3db6f | 117 | nouveau_bo_vma_del(nvbo, vma); |
8fe198b2 MS |
118 | kfree(vma); |
119 | } | |
2fd3db6f BS |
120 | } |
121 | ttm_bo_unreserve(&nvbo->bo); | |
639212d0 BS |
122 | } |
123 | ||
6ee73861 | 124 | int |
f6d4e621 BS |
125 | nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain, |
126 | uint32_t tile_mode, uint32_t tile_flags, | |
127 | struct nouveau_bo **pnvbo) | |
6ee73861 | 128 | { |
db5c8e29 | 129 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
6ee73861 | 130 | struct nouveau_bo *nvbo; |
6ba9a683 | 131 | u32 flags = 0; |
6ee73861 BS |
132 | int ret; |
133 | ||
6ba9a683 BS |
134 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) |
135 | flags |= TTM_PL_FLAG_VRAM; | |
136 | if (domain & NOUVEAU_GEM_DOMAIN_GART) | |
137 | flags |= TTM_PL_FLAG_TT; | |
138 | if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU) | |
139 | flags |= TTM_PL_FLAG_SYSTEM; | |
140 | ||
7375c95b | 141 | ret = nouveau_bo_new(dev, size, align, flags, tile_mode, |
d550c41e | 142 | tile_flags, pnvbo); |
6ee73861 BS |
143 | if (ret) |
144 | return ret; | |
145 | nvbo = *pnvbo; | |
146 | ||
db5c8e29 BS |
147 | /* we restrict allowed domains on nv50+ to only the types |
148 | * that were requested at creation time. not possibly on | |
149 | * earlier chips without busting the ABI. | |
150 | */ | |
151 | nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | | |
152 | NOUVEAU_GEM_DOMAIN_GART; | |
153 | if (dev_priv->card_type >= NV_50) | |
154 | nvbo->valid_domains &= domain; | |
155 | ||
6ee73861 BS |
156 | nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size); |
157 | if (!nvbo->gem) { | |
158 | nouveau_bo_ref(NULL, pnvbo); | |
159 | return -ENOMEM; | |
160 | } | |
161 | ||
5df23979 | 162 | nvbo->bo.persistent_swap_storage = nvbo->gem->filp; |
6ee73861 BS |
163 | nvbo->gem->driver_private = nvbo; |
164 | return 0; | |
165 | } | |
166 | ||
167 | static int | |
e758a311 BS |
168 | nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, |
169 | struct drm_nouveau_gem_info *rep) | |
6ee73861 | 170 | { |
e758a311 | 171 | struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); |
6ee73861 | 172 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
e758a311 | 173 | struct nouveau_vma *vma; |
6ee73861 BS |
174 | |
175 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
176 | rep->domain = NOUVEAU_GEM_DOMAIN_GART; | |
177 | else | |
178 | rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
179 | ||
e758a311 BS |
180 | rep->offset = nvbo->bo.offset; |
181 | if (fpriv->vm) { | |
182 | vma = nouveau_bo_vma_find(nvbo, fpriv->vm); | |
183 | if (!vma) | |
184 | return -EINVAL; | |
185 | ||
186 | rep->offset = vma->offset; | |
187 | } | |
188 | ||
6ee73861 | 189 | rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT; |
d550c41e | 190 | rep->map_handle = nvbo->bo.addr_space_offset; |
6ee73861 BS |
191 | rep->tile_mode = nvbo->tile_mode; |
192 | rep->tile_flags = nvbo->tile_flags; | |
193 | return 0; | |
194 | } | |
195 | ||
6ee73861 BS |
196 | int |
197 | nouveau_gem_ioctl_new(struct drm_device *dev, void *data, | |
198 | struct drm_file *file_priv) | |
199 | { | |
200 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
201 | struct drm_nouveau_gem_new *req = data; | |
202 | struct nouveau_bo *nvbo = NULL; | |
6ee73861 BS |
203 | int ret = 0; |
204 | ||
6ee73861 BS |
205 | if (unlikely(dev_priv->ttm.bdev.dev_mapping == NULL)) |
206 | dev_priv->ttm.bdev.dev_mapping = dev_priv->dev->dev_mapping; | |
207 | ||
60d2a88a BS |
208 | if (!dev_priv->engine.vram.flags_valid(dev, req->info.tile_flags)) { |
209 | NV_ERROR(dev, "bad page flags: 0x%08x\n", req->info.tile_flags); | |
6ee73861 | 210 | return -EINVAL; |
60d2a88a | 211 | } |
6ee73861 | 212 | |
f6d4e621 | 213 | ret = nouveau_gem_new(dev, req->info.size, req->align, |
6ba9a683 BS |
214 | req->info.domain, req->info.tile_mode, |
215 | req->info.tile_flags, &nvbo); | |
6ee73861 BS |
216 | if (ret) |
217 | return ret; | |
218 | ||
6ee73861 | 219 | ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle); |
e758a311 BS |
220 | if (ret == 0) { |
221 | ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info); | |
222 | if (ret) | |
223 | drm_gem_handle_delete(file_priv, req->info.handle); | |
224 | } | |
225 | ||
29d08b3e DA |
226 | /* drop reference from allocate - handle holds it now */ |
227 | drm_gem_object_unreference_unlocked(nvbo->gem); | |
6ee73861 BS |
228 | return ret; |
229 | } | |
230 | ||
231 | static int | |
232 | nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains, | |
233 | uint32_t write_domains, uint32_t valid_domains) | |
234 | { | |
235 | struct nouveau_bo *nvbo = gem->driver_private; | |
236 | struct ttm_buffer_object *bo = &nvbo->bo; | |
db5c8e29 | 237 | uint32_t domains = valid_domains & nvbo->valid_domains & |
78ad0f7b FJ |
238 | (write_domains ? write_domains : read_domains); |
239 | uint32_t pref_flags = 0, valid_flags = 0; | |
6ee73861 | 240 | |
78ad0f7b | 241 | if (!domains) |
6ee73861 BS |
242 | return -EINVAL; |
243 | ||
78ad0f7b FJ |
244 | if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) |
245 | valid_flags |= TTM_PL_FLAG_VRAM; | |
246 | ||
247 | if (valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
248 | valid_flags |= TTM_PL_FLAG_TT; | |
249 | ||
250 | if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
251 | bo->mem.mem_type == TTM_PL_VRAM) | |
252 | pref_flags |= TTM_PL_FLAG_VRAM; | |
253 | ||
254 | else if ((domains & NOUVEAU_GEM_DOMAIN_GART) && | |
255 | bo->mem.mem_type == TTM_PL_TT) | |
256 | pref_flags |= TTM_PL_FLAG_TT; | |
257 | ||
258 | else if (domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
259 | pref_flags |= TTM_PL_FLAG_VRAM; | |
260 | ||
261 | else | |
262 | pref_flags |= TTM_PL_FLAG_TT; | |
263 | ||
264 | nouveau_bo_placement_set(nvbo, pref_flags, valid_flags); | |
6ee73861 | 265 | |
6ee73861 BS |
266 | return 0; |
267 | } | |
268 | ||
269 | struct validate_op { | |
6ee73861 BS |
270 | struct list_head vram_list; |
271 | struct list_head gart_list; | |
272 | struct list_head both_list; | |
273 | }; | |
274 | ||
275 | static void | |
276 | validate_fini_list(struct list_head *list, struct nouveau_fence *fence) | |
277 | { | |
278 | struct list_head *entry, *tmp; | |
279 | struct nouveau_bo *nvbo; | |
280 | ||
281 | list_for_each_safe(entry, tmp, list) { | |
282 | nvbo = list_entry(entry, struct nouveau_bo, entry); | |
332b242f FJ |
283 | |
284 | nouveau_bo_fence(nvbo, fence); | |
6ee73861 | 285 | |
a1606a95 BS |
286 | if (unlikely(nvbo->validate_mapped)) { |
287 | ttm_bo_kunmap(&nvbo->kmap); | |
288 | nvbo->validate_mapped = false; | |
289 | } | |
290 | ||
6ee73861 BS |
291 | list_del(&nvbo->entry); |
292 | nvbo->reserved_by = NULL; | |
293 | ttm_bo_unreserve(&nvbo->bo); | |
374c3af8 | 294 | drm_gem_object_unreference_unlocked(nvbo->gem); |
6ee73861 BS |
295 | } |
296 | } | |
297 | ||
298 | static void | |
234896a7 | 299 | validate_fini(struct validate_op *op, struct nouveau_fence* fence) |
6ee73861 | 300 | { |
234896a7 LB |
301 | validate_fini_list(&op->vram_list, fence); |
302 | validate_fini_list(&op->gart_list, fence); | |
303 | validate_fini_list(&op->both_list, fence); | |
6ee73861 BS |
304 | } |
305 | ||
306 | static int | |
307 | validate_init(struct nouveau_channel *chan, struct drm_file *file_priv, | |
308 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
309 | int nr_buffers, struct validate_op *op) | |
310 | { | |
311 | struct drm_device *dev = chan->dev; | |
312 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
313 | uint32_t sequence; | |
314 | int trycnt = 0; | |
315 | int ret, i; | |
316 | ||
317 | sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence); | |
318 | retry: | |
319 | if (++trycnt > 100000) { | |
320 | NV_ERROR(dev, "%s failed and gave up.\n", __func__); | |
321 | return -EINVAL; | |
322 | } | |
323 | ||
324 | for (i = 0; i < nr_buffers; i++) { | |
325 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i]; | |
326 | struct drm_gem_object *gem; | |
327 | struct nouveau_bo *nvbo; | |
328 | ||
329 | gem = drm_gem_object_lookup(dev, file_priv, b->handle); | |
330 | if (!gem) { | |
331 | NV_ERROR(dev, "Unknown handle 0x%08x\n", b->handle); | |
332 | validate_fini(op, NULL); | |
bf79cb91 | 333 | return -ENOENT; |
6ee73861 BS |
334 | } |
335 | nvbo = gem->driver_private; | |
336 | ||
337 | if (nvbo->reserved_by && nvbo->reserved_by == file_priv) { | |
338 | NV_ERROR(dev, "multiple instances of buffer %d on " | |
339 | "validation list\n", b->handle); | |
340 | validate_fini(op, NULL); | |
341 | return -EINVAL; | |
342 | } | |
343 | ||
938c40ed | 344 | ret = ttm_bo_reserve(&nvbo->bo, true, false, true, sequence); |
6ee73861 BS |
345 | if (ret) { |
346 | validate_fini(op, NULL); | |
938c40ed BS |
347 | if (unlikely(ret == -EAGAIN)) |
348 | ret = ttm_bo_wait_unreserved(&nvbo->bo, true); | |
374c3af8 | 349 | drm_gem_object_unreference_unlocked(gem); |
938c40ed BS |
350 | if (unlikely(ret)) { |
351 | if (ret != -ERESTARTSYS) | |
352 | NV_ERROR(dev, "fail reserve\n"); | |
6ee73861 | 353 | return ret; |
a1606a95 | 354 | } |
6ee73861 BS |
355 | goto retry; |
356 | } | |
357 | ||
a1606a95 | 358 | b->user_priv = (uint64_t)(unsigned long)nvbo; |
6ee73861 BS |
359 | nvbo->reserved_by = file_priv; |
360 | nvbo->pbbo_index = i; | |
361 | if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
362 | (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)) | |
363 | list_add_tail(&nvbo->entry, &op->both_list); | |
364 | else | |
365 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
366 | list_add_tail(&nvbo->entry, &op->vram_list); | |
367 | else | |
368 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
369 | list_add_tail(&nvbo->entry, &op->gart_list); | |
370 | else { | |
371 | NV_ERROR(dev, "invalid valid domains: 0x%08x\n", | |
372 | b->valid_domains); | |
0208843d | 373 | list_add_tail(&nvbo->entry, &op->both_list); |
6ee73861 BS |
374 | validate_fini(op, NULL); |
375 | return -EINVAL; | |
376 | } | |
6ee73861 BS |
377 | } |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | static int | |
383 | validate_list(struct nouveau_channel *chan, struct list_head *list, | |
384 | struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr) | |
385 | { | |
a3fcd0a9 | 386 | struct drm_nouveau_private *dev_priv = chan->dev->dev_private; |
6ee73861 BS |
387 | struct drm_nouveau_gem_pushbuf_bo __user *upbbo = |
388 | (void __force __user *)(uintptr_t)user_pbbo_ptr; | |
a1606a95 | 389 | struct drm_device *dev = chan->dev; |
6ee73861 BS |
390 | struct nouveau_bo *nvbo; |
391 | int ret, relocs = 0; | |
392 | ||
393 | list_for_each_entry(nvbo, list, entry) { | |
394 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index]; | |
6ee73861 | 395 | |
2730723b | 396 | ret = nouveau_fence_sync(nvbo->bo.sync_obj, chan); |
415e6186 BS |
397 | if (unlikely(ret)) { |
398 | NV_ERROR(dev, "fail pre-validate sync\n"); | |
399 | return ret; | |
6ee73861 BS |
400 | } |
401 | ||
402 | ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains, | |
403 | b->write_domains, | |
404 | b->valid_domains); | |
a1606a95 BS |
405 | if (unlikely(ret)) { |
406 | NV_ERROR(dev, "fail set_domain\n"); | |
6ee73861 | 407 | return ret; |
a1606a95 | 408 | } |
6ee73861 | 409 | |
415e6186 | 410 | nvbo->channel = (b->read_domains & (1 << 31)) ? NULL : chan; |
7a45d764 | 411 | ret = nouveau_bo_validate(nvbo, true, false, false); |
6ee73861 | 412 | nvbo->channel = NULL; |
a1606a95 | 413 | if (unlikely(ret)) { |
938c40ed BS |
414 | if (ret != -ERESTARTSYS) |
415 | NV_ERROR(dev, "fail ttm_validate\n"); | |
6ee73861 | 416 | return ret; |
a1606a95 | 417 | } |
6ee73861 | 418 | |
2730723b | 419 | ret = nouveau_fence_sync(nvbo->bo.sync_obj, chan); |
415e6186 BS |
420 | if (unlikely(ret)) { |
421 | NV_ERROR(dev, "fail post-validate sync\n"); | |
422 | return ret; | |
423 | } | |
424 | ||
a3fcd0a9 BS |
425 | if (dev_priv->card_type < NV_50) { |
426 | if (nvbo->bo.offset == b->presumed.offset && | |
427 | ((nvbo->bo.mem.mem_type == TTM_PL_VRAM && | |
428 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) || | |
429 | (nvbo->bo.mem.mem_type == TTM_PL_TT && | |
430 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART))) | |
431 | continue; | |
432 | ||
433 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
434 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART; | |
435 | else | |
436 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
437 | b->presumed.offset = nvbo->bo.offset; | |
438 | b->presumed.valid = 0; | |
439 | relocs++; | |
440 | ||
441 | if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed, | |
442 | &b->presumed, sizeof(b->presumed))) | |
443 | return -EFAULT; | |
444 | } | |
6ee73861 BS |
445 | } |
446 | ||
447 | return relocs; | |
448 | } | |
449 | ||
450 | static int | |
451 | nouveau_gem_pushbuf_validate(struct nouveau_channel *chan, | |
452 | struct drm_file *file_priv, | |
453 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
454 | uint64_t user_buffers, int nr_buffers, | |
455 | struct validate_op *op, int *apply_relocs) | |
456 | { | |
a1606a95 | 457 | struct drm_device *dev = chan->dev; |
6ee73861 BS |
458 | int ret, relocs = 0; |
459 | ||
460 | INIT_LIST_HEAD(&op->vram_list); | |
461 | INIT_LIST_HEAD(&op->gart_list); | |
462 | INIT_LIST_HEAD(&op->both_list); | |
463 | ||
6ee73861 BS |
464 | if (nr_buffers == 0) |
465 | return 0; | |
466 | ||
467 | ret = validate_init(chan, file_priv, pbbo, nr_buffers, op); | |
a1606a95 | 468 | if (unlikely(ret)) { |
938c40ed BS |
469 | if (ret != -ERESTARTSYS) |
470 | NV_ERROR(dev, "validate_init\n"); | |
6ee73861 | 471 | return ret; |
a1606a95 | 472 | } |
6ee73861 BS |
473 | |
474 | ret = validate_list(chan, &op->vram_list, pbbo, user_buffers); | |
475 | if (unlikely(ret < 0)) { | |
938c40ed BS |
476 | if (ret != -ERESTARTSYS) |
477 | NV_ERROR(dev, "validate vram_list\n"); | |
6ee73861 BS |
478 | validate_fini(op, NULL); |
479 | return ret; | |
480 | } | |
481 | relocs += ret; | |
482 | ||
483 | ret = validate_list(chan, &op->gart_list, pbbo, user_buffers); | |
484 | if (unlikely(ret < 0)) { | |
938c40ed BS |
485 | if (ret != -ERESTARTSYS) |
486 | NV_ERROR(dev, "validate gart_list\n"); | |
6ee73861 BS |
487 | validate_fini(op, NULL); |
488 | return ret; | |
489 | } | |
490 | relocs += ret; | |
491 | ||
492 | ret = validate_list(chan, &op->both_list, pbbo, user_buffers); | |
493 | if (unlikely(ret < 0)) { | |
938c40ed BS |
494 | if (ret != -ERESTARTSYS) |
495 | NV_ERROR(dev, "validate both_list\n"); | |
6ee73861 BS |
496 | validate_fini(op, NULL); |
497 | return ret; | |
498 | } | |
499 | relocs += ret; | |
500 | ||
501 | *apply_relocs = relocs; | |
502 | return 0; | |
503 | } | |
504 | ||
505 | static inline void * | |
506 | u_memcpya(uint64_t user, unsigned nmemb, unsigned size) | |
507 | { | |
508 | void *mem; | |
509 | void __user *userptr = (void __force __user *)(uintptr_t)user; | |
510 | ||
511 | mem = kmalloc(nmemb * size, GFP_KERNEL); | |
512 | if (!mem) | |
513 | return ERR_PTR(-ENOMEM); | |
514 | ||
515 | if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) { | |
516 | kfree(mem); | |
517 | return ERR_PTR(-EFAULT); | |
518 | } | |
519 | ||
520 | return mem; | |
521 | } | |
522 | ||
523 | static int | |
a1606a95 BS |
524 | nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev, |
525 | struct drm_nouveau_gem_pushbuf *req, | |
526 | struct drm_nouveau_gem_pushbuf_bo *bo) | |
6ee73861 BS |
527 | { |
528 | struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL; | |
12f735b7 LB |
529 | int ret = 0; |
530 | unsigned i; | |
6ee73861 | 531 | |
a1606a95 | 532 | reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc)); |
6ee73861 BS |
533 | if (IS_ERR(reloc)) |
534 | return PTR_ERR(reloc); | |
535 | ||
a1606a95 | 536 | for (i = 0; i < req->nr_relocs; i++) { |
6ee73861 BS |
537 | struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i]; |
538 | struct drm_nouveau_gem_pushbuf_bo *b; | |
a1606a95 | 539 | struct nouveau_bo *nvbo; |
6ee73861 BS |
540 | uint32_t data; |
541 | ||
a1606a95 BS |
542 | if (unlikely(r->bo_index > req->nr_buffers)) { |
543 | NV_ERROR(dev, "reloc bo index invalid\n"); | |
6ee73861 BS |
544 | ret = -EINVAL; |
545 | break; | |
546 | } | |
547 | ||
548 | b = &bo[r->bo_index]; | |
a1606a95 | 549 | if (b->presumed.valid) |
6ee73861 BS |
550 | continue; |
551 | ||
a1606a95 BS |
552 | if (unlikely(r->reloc_bo_index > req->nr_buffers)) { |
553 | NV_ERROR(dev, "reloc container bo index invalid\n"); | |
554 | ret = -EINVAL; | |
555 | break; | |
556 | } | |
557 | nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv; | |
558 | ||
559 | if (unlikely(r->reloc_bo_offset + 4 > | |
560 | nvbo->bo.mem.num_pages << PAGE_SHIFT)) { | |
561 | NV_ERROR(dev, "reloc outside of bo\n"); | |
562 | ret = -EINVAL; | |
563 | break; | |
564 | } | |
565 | ||
566 | if (!nvbo->kmap.virtual) { | |
567 | ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, | |
568 | &nvbo->kmap); | |
569 | if (ret) { | |
570 | NV_ERROR(dev, "failed kmap for reloc\n"); | |
571 | break; | |
572 | } | |
573 | nvbo->validate_mapped = true; | |
574 | } | |
575 | ||
6ee73861 | 576 | if (r->flags & NOUVEAU_GEM_RELOC_LOW) |
a1606a95 | 577 | data = b->presumed.offset + r->data; |
6ee73861 BS |
578 | else |
579 | if (r->flags & NOUVEAU_GEM_RELOC_HIGH) | |
a1606a95 | 580 | data = (b->presumed.offset + r->data) >> 32; |
6ee73861 BS |
581 | else |
582 | data = r->data; | |
583 | ||
584 | if (r->flags & NOUVEAU_GEM_RELOC_OR) { | |
a1606a95 | 585 | if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART) |
6ee73861 BS |
586 | data |= r->tor; |
587 | else | |
588 | data |= r->vor; | |
589 | } | |
590 | ||
702adba2 | 591 | spin_lock(&nvbo->bo.bdev->fence_lock); |
a1606a95 | 592 | ret = ttm_bo_wait(&nvbo->bo, false, false, false); |
702adba2 | 593 | spin_unlock(&nvbo->bo.bdev->fence_lock); |
a1606a95 BS |
594 | if (ret) { |
595 | NV_ERROR(dev, "reloc wait_idle failed: %d\n", ret); | |
596 | break; | |
597 | } | |
a1606a95 BS |
598 | |
599 | nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data); | |
6ee73861 BS |
600 | } |
601 | ||
602 | kfree(reloc); | |
603 | return ret; | |
604 | } | |
605 | ||
606 | int | |
607 | nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, | |
608 | struct drm_file *file_priv) | |
609 | { | |
a1606a95 | 610 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
6ee73861 | 611 | struct drm_nouveau_gem_pushbuf *req = data; |
a1606a95 BS |
612 | struct drm_nouveau_gem_pushbuf_push *push; |
613 | struct drm_nouveau_gem_pushbuf_bo *bo; | |
6ee73861 BS |
614 | struct nouveau_channel *chan; |
615 | struct validate_op op; | |
6e86e041 | 616 | struct nouveau_fence *fence = NULL; |
a1606a95 | 617 | int i, j, ret = 0, do_reloc = 0; |
6ee73861 | 618 | |
e8a863c1 | 619 | chan = nouveau_channel_get(file_priv, req->channel); |
cff5c133 BS |
620 | if (IS_ERR(chan)) |
621 | return PTR_ERR(chan); | |
6ee73861 | 622 | |
a1606a95 BS |
623 | req->vram_available = dev_priv->fb_aper_free; |
624 | req->gart_available = dev_priv->gart_info.aper_free; | |
625 | if (unlikely(req->nr_push == 0)) | |
626 | goto out_next; | |
6ee73861 | 627 | |
a1606a95 BS |
628 | if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) { |
629 | NV_ERROR(dev, "pushbuf push count exceeds limit: %d max %d\n", | |
630 | req->nr_push, NOUVEAU_GEM_MAX_PUSH); | |
cff5c133 | 631 | nouveau_channel_put(&chan); |
a1606a95 | 632 | return -EINVAL; |
6ee73861 BS |
633 | } |
634 | ||
a1606a95 BS |
635 | if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) { |
636 | NV_ERROR(dev, "pushbuf bo count exceeds limit: %d max %d\n", | |
637 | req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS); | |
cff5c133 | 638 | nouveau_channel_put(&chan); |
a1606a95 | 639 | return -EINVAL; |
6ee73861 BS |
640 | } |
641 | ||
a1606a95 BS |
642 | if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) { |
643 | NV_ERROR(dev, "pushbuf reloc count exceeds limit: %d max %d\n", | |
644 | req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS); | |
cff5c133 | 645 | nouveau_channel_put(&chan); |
6ee73861 BS |
646 | return -EINVAL; |
647 | } | |
648 | ||
a1606a95 | 649 | push = u_memcpya(req->push, req->nr_push, sizeof(*push)); |
cff5c133 BS |
650 | if (IS_ERR(push)) { |
651 | nouveau_channel_put(&chan); | |
a1606a95 | 652 | return PTR_ERR(push); |
cff5c133 | 653 | } |
a1606a95 | 654 | |
6ee73861 | 655 | bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo)); |
a1606a95 BS |
656 | if (IS_ERR(bo)) { |
657 | kfree(push); | |
cff5c133 | 658 | nouveau_channel_put(&chan); |
6ee73861 | 659 | return PTR_ERR(bo); |
a1606a95 | 660 | } |
6ee73861 | 661 | |
415e6186 BS |
662 | /* Mark push buffers as being used on PFIFO, the validation code |
663 | * will then make sure that if the pushbuf bo moves, that they | |
664 | * happen on the kernel channel, which will in turn cause a sync | |
665 | * to happen before we try and submit the push buffer. | |
666 | */ | |
667 | for (i = 0; i < req->nr_push; i++) { | |
668 | if (push[i].bo_index >= req->nr_buffers) { | |
669 | NV_ERROR(dev, "push %d buffer not in list\n", i); | |
670 | ret = -EINVAL; | |
7fa0cba2 | 671 | goto out_prevalid; |
415e6186 BS |
672 | } |
673 | ||
674 | bo[push[i].bo_index].read_domains |= (1 << 31); | |
675 | } | |
676 | ||
6ee73861 BS |
677 | /* Validate buffer list */ |
678 | ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers, | |
679 | req->nr_buffers, &op, &do_reloc); | |
680 | if (ret) { | |
938c40ed BS |
681 | if (ret != -ERESTARTSYS) |
682 | NV_ERROR(dev, "validate: %d\n", ret); | |
7fa0cba2 | 683 | goto out_prevalid; |
6ee73861 BS |
684 | } |
685 | ||
6ee73861 BS |
686 | /* Apply any relocations that are required */ |
687 | if (do_reloc) { | |
a1606a95 | 688 | ret = nouveau_gem_pushbuf_reloc_apply(dev, req, bo); |
6ee73861 | 689 | if (ret) { |
6ee73861 | 690 | NV_ERROR(dev, "reloc apply: %d\n", ret); |
6ee73861 BS |
691 | goto out; |
692 | } | |
6ee73861 | 693 | } |
6ee73861 | 694 | |
9a391ad8 | 695 | if (chan->dma.ib_max) { |
a1606a95 | 696 | ret = nouveau_dma_wait(chan, req->nr_push + 1, 6); |
6ee73861 | 697 | if (ret) { |
9a391ad8 | 698 | NV_INFO(dev, "nv50cal_space: %d\n", ret); |
6ee73861 BS |
699 | goto out; |
700 | } | |
6ee73861 | 701 | |
a1606a95 BS |
702 | for (i = 0; i < req->nr_push; i++) { |
703 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
704 | bo[push[i].bo_index].user_priv; | |
705 | ||
706 | nv50_dma_push(chan, nvbo, push[i].offset, | |
707 | push[i].length); | |
708 | } | |
9a391ad8 | 709 | } else |
ee508b82 | 710 | if (dev_priv->chipset >= 0x25) { |
a1606a95 | 711 | ret = RING_SPACE(chan, req->nr_push * 2); |
6ee73861 BS |
712 | if (ret) { |
713 | NV_ERROR(dev, "cal_space: %d\n", ret); | |
714 | goto out; | |
715 | } | |
a1606a95 BS |
716 | |
717 | for (i = 0; i < req->nr_push; i++) { | |
718 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
719 | bo[push[i].bo_index].user_priv; | |
720 | struct drm_mm_node *mem = nvbo->bo.mem.mm_node; | |
721 | ||
722 | OUT_RING(chan, ((mem->start << PAGE_SHIFT) + | |
723 | push[i].offset) | 2); | |
724 | OUT_RING(chan, 0); | |
725 | } | |
6ee73861 | 726 | } else { |
a1606a95 | 727 | ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS)); |
6ee73861 BS |
728 | if (ret) { |
729 | NV_ERROR(dev, "jmp_space: %d\n", ret); | |
730 | goto out; | |
731 | } | |
6ee73861 | 732 | |
a1606a95 BS |
733 | for (i = 0; i < req->nr_push; i++) { |
734 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
735 | bo[push[i].bo_index].user_priv; | |
736 | struct drm_mm_node *mem = nvbo->bo.mem.mm_node; | |
737 | uint32_t cmd; | |
738 | ||
739 | cmd = chan->pushbuf_base + ((chan->dma.cur + 2) << 2); | |
740 | cmd |= 0x20000000; | |
741 | if (unlikely(cmd != req->suffix0)) { | |
742 | if (!nvbo->kmap.virtual) { | |
743 | ret = ttm_bo_kmap(&nvbo->bo, 0, | |
744 | nvbo->bo.mem. | |
745 | num_pages, | |
746 | &nvbo->kmap); | |
747 | if (ret) { | |
748 | WIND_RING(chan); | |
749 | goto out; | |
750 | } | |
751 | nvbo->validate_mapped = true; | |
752 | } | |
753 | ||
754 | nouveau_bo_wr32(nvbo, (push[i].offset + | |
755 | push[i].length - 8) / 4, cmd); | |
756 | } | |
757 | ||
758 | OUT_RING(chan, ((mem->start << PAGE_SHIFT) + | |
759 | push[i].offset) | 0x20000000); | |
6ee73861 | 760 | OUT_RING(chan, 0); |
a1606a95 BS |
761 | for (j = 0; j < NOUVEAU_DMA_SKIPS; j++) |
762 | OUT_RING(chan, 0); | |
763 | } | |
6ee73861 BS |
764 | } |
765 | ||
234896a7 | 766 | ret = nouveau_fence_new(chan, &fence, true); |
6ee73861 BS |
767 | if (ret) { |
768 | NV_ERROR(dev, "error fencing pushbuf: %d\n", ret); | |
769 | WIND_RING(chan); | |
770 | goto out; | |
771 | } | |
772 | ||
773 | out: | |
234896a7 | 774 | validate_fini(&op, fence); |
382d62e5 | 775 | nouveau_fence_unref(&fence); |
7fa0cba2 MS |
776 | |
777 | out_prevalid: | |
6ee73861 | 778 | kfree(bo); |
a1606a95 | 779 | kfree(push); |
6ee73861 BS |
780 | |
781 | out_next: | |
9a391ad8 BS |
782 | if (chan->dma.ib_max) { |
783 | req->suffix0 = 0x00000000; | |
784 | req->suffix1 = 0x00000000; | |
785 | } else | |
ee508b82 | 786 | if (dev_priv->chipset >= 0x25) { |
6ee73861 BS |
787 | req->suffix0 = 0x00020000; |
788 | req->suffix1 = 0x00000000; | |
789 | } else { | |
790 | req->suffix0 = 0x20000000 | | |
791 | (chan->pushbuf_base + ((chan->dma.cur + 2) << 2)); | |
792 | req->suffix1 = 0x00000000; | |
793 | } | |
794 | ||
cff5c133 | 795 | nouveau_channel_put(&chan); |
6ee73861 BS |
796 | return ret; |
797 | } | |
798 | ||
6ee73861 BS |
799 | static inline uint32_t |
800 | domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain) | |
801 | { | |
802 | uint32_t flags = 0; | |
803 | ||
804 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) | |
805 | flags |= TTM_PL_FLAG_VRAM; | |
806 | if (domain & NOUVEAU_GEM_DOMAIN_GART) | |
807 | flags |= TTM_PL_FLAG_TT; | |
808 | ||
809 | return flags; | |
810 | } | |
811 | ||
6ee73861 BS |
812 | int |
813 | nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data, | |
814 | struct drm_file *file_priv) | |
815 | { | |
816 | struct drm_nouveau_gem_cpu_prep *req = data; | |
817 | struct drm_gem_object *gem; | |
818 | struct nouveau_bo *nvbo; | |
819 | bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT); | |
820 | int ret = -EINVAL; | |
821 | ||
6ee73861 BS |
822 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
823 | if (!gem) | |
bf79cb91 | 824 | return -ENOENT; |
6ee73861 BS |
825 | nvbo = nouveau_gem_object(gem); |
826 | ||
21e86c1c BS |
827 | spin_lock(&nvbo->bo.bdev->fence_lock); |
828 | ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait); | |
829 | spin_unlock(&nvbo->bo.bdev->fence_lock); | |
bc9025bd | 830 | drm_gem_object_unreference_unlocked(gem); |
6ee73861 BS |
831 | return ret; |
832 | } | |
833 | ||
834 | int | |
835 | nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data, | |
836 | struct drm_file *file_priv) | |
837 | { | |
21e86c1c | 838 | return 0; |
6ee73861 BS |
839 | } |
840 | ||
841 | int | |
842 | nouveau_gem_ioctl_info(struct drm_device *dev, void *data, | |
843 | struct drm_file *file_priv) | |
844 | { | |
845 | struct drm_nouveau_gem_info *req = data; | |
846 | struct drm_gem_object *gem; | |
847 | int ret; | |
848 | ||
6ee73861 BS |
849 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
850 | if (!gem) | |
bf79cb91 | 851 | return -ENOENT; |
6ee73861 | 852 | |
e758a311 | 853 | ret = nouveau_gem_info(file_priv, gem, req); |
bc9025bd | 854 | drm_gem_object_unreference_unlocked(gem); |
6ee73861 BS |
855 | return ret; |
856 | } | |
857 |