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